diff options
Diffstat (limited to 'lib/asn1/src')
38 files changed, 8549 insertions, 11901 deletions
diff --git a/lib/asn1/src/Makefile b/lib/asn1/src/Makefile index 33cd3cc4c3..38cf2d496a 100644 --- a/lib/asn1/src/Makefile +++ b/lib/asn1/src/Makefile @@ -1,18 +1,19 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2013. All Rights Reserved. +# Copyright Ericsson AB 1997-2016. All Rights Reserved. # -# The contents of this file are subject to the Erlang Public License, -# Version 1.1, (the "License"); you may not use this file except in -# compliance with the License. You should have received a copy of the -# Erlang Public License along with this software. If not, it can be -# retrieved online at http://www.erlang.org/. -# -# Software distributed under the License is distributed on an "AS IS" -# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -# the License for the specific language governing rights and limitations -# under the License. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # # %CopyrightEnd% # @@ -43,9 +44,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/asn1-$(VSN) EBIN = ../ebin -EVAL_CT_MODULES = asn1ct_eval_ext \ - asn1ct_eval_per \ - asn1ct_eval_uper +EVAL_CT_MODULES = asn1ct_eval_ext CT_MODULES= \ asn1ct \ @@ -54,8 +53,8 @@ CT_MODULES= \ asn1ct_pretty_format \ asn1ct_func \ asn1ct_gen \ + asn1ct_gen_check \ asn1ct_gen_per \ - asn1ct_gen_per_rt2ct \ asn1ct_name \ asn1ct_constructed_per \ asn1ct_constructed_ber_bin_v2 \ @@ -138,7 +137,7 @@ $(EBIN)/asn1ct_func.$(EMULATOR): asn1ct_func.erl asn1ct_eval_%.erl: asn1ct_eval_%.funcs $(gen_verbose)erl -pa $(EBIN) -noshell -noinput \ - -run prepare_templates gen_asn1ct_eval $< >$@ + -run prepare_templates gen_asn1ct_eval $< $(APP_TARGET): $(APP_SRC) ../vsn.mk $(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@ @@ -183,7 +182,7 @@ RT_TEMPLATES_TARGET = $(RT_TEMPLATES:%=%.$(EMULATOR)) asn1ct_rtt.erl: prepare_templates.$(EMULATOR) $(RT_TEMPLATES_TARGET) $(gen_verbose)erl -noshell -noinput -run prepare_templates gen_asn1ct_rtt \ - $(RT_TEMPLATES_TARGET) >asn1ct_rtt.erl + $(RT_TEMPLATES_TARGET) prepare_templates.$(EMULATOR): prepare_templates.erl $(V_ERLC) prepare_templates.erl @@ -208,6 +207,7 @@ $(EBIN)/asn1ct_constructed_per.beam: asn1ct_constructed_per.erl asn1_records.hrl $(EBIN)/asn1ct_func.beam: asn1ct_func.erl $(EBIN)/asn1ct_gen.beam: asn1ct_gen.erl asn1_records.hrl $(EBIN)/asn1ct_gen_ber_bin_v2.beam: asn1ct_gen_ber_bin_v2.erl asn1_records.hrl +$(EBIN)/asn1ct_gen_check.beam: asn1_records.hrl $(EBIN)/asn1ct_gen_per.beam: asn1ct_gen_per.erl asn1_records.hrl $(EBIN)/asn1ct_gen_per_rt2ct.beam: asn1ct_gen_per_rt2ct.erl asn1_records.hrl $(EBIN)/asn1ct_imm.beam: asn1ct_imm.erl diff --git a/lib/asn1/src/asn1.app.src b/lib/asn1/src/asn1.app.src index f2ee8deb75..1f8805ff5e 100644 --- a/lib/asn1/src/asn1.app.src +++ b/lib/asn1/src/asn1.app.src @@ -10,5 +10,6 @@ asn1db ]}, {env, []}, - {applications, [kernel, stdlib]} + {applications, [kernel, stdlib]}, + {runtime_dependencies, ["stdlib-2.0","kernel-3.0","erts-7.0"]} ]}. diff --git a/lib/asn1/src/asn1.appup.src b/lib/asn1/src/asn1.appup.src index 2d11eddfbf..9487d6207d 100644 --- a/lib/asn1/src/asn1.appup.src +++ b/lib/asn1/src/asn1.appup.src @@ -1,11 +1,22 @@ +%% -*- erlang -*- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2014-2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% {"%VSN%", -% This version does not change anything of the runtime modules -% Only changes in compile time modules and thus no need for upgrade on target -[ - ], - [ - ]}. - - - - + [{<<".*">>,[{restart_application, asn1}]}], + [{<<".*">>,[{restart_application, asn1}]}] +}. diff --git a/lib/asn1/src/asn1_app.erl b/lib/asn1/src/asn1_app.erl index 9fff96e0bf..d1d8a955c2 100644 --- a/lib/asn1/src/asn1_app.erl +++ b/lib/asn1/src/asn1_app.erl @@ -1,13 +1,14 @@ -%% ``The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved via the world wide web at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% ``Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% The Initial Developer of the Original Code is Ericsson Utvecklings AB. %% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings diff --git a/lib/asn1/src/asn1_db.erl b/lib/asn1/src/asn1_db.erl index 869b36ddbd..557eca0ffd 100644 --- a/lib/asn1/src/asn1_db.erl +++ b/lib/asn1/src/asn1_db.erl @@ -1,43 +1,58 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1_db). --export([dbstart/1,dbnew/1,dbsave/2,dbput/3,dbget/2]). +-export([dbstart/1,dbnew/2,dbload/1,dbload/3,dbsave/2,dbput/2, + dbput/3,dbget/2]). -export([dbstop/0]). -record(state, {parent, monitor, includes, table}). %% Interface -dbstart(Includes) -> +dbstart(Includes0) -> + Includes = case Includes0 of + [] -> ["."]; + [_|_] -> Includes0 + end, Parent = self(), undefined = get(?MODULE), %Assertion. put(?MODULE, spawn_link(fun() -> init(Parent, Includes) end)), ok. -dbnew(Module) -> req({new, Module}). +dbload(Module, Erule, Mtime) -> + req({load, Module, Erule, Mtime}). + +dbload(Module) -> + req({load, Module, any, {{0,0,0},{0,0,0}}}). + +dbnew(Module, Erule) -> req({new, Module, Erule}). dbsave(OutFile, Module) -> cast({save, OutFile, Module}). dbput(Module, K, V) -> cast({set, Module, K, V}). +dbput(Module, Kvs) -> cast({set, Module, Kvs}). dbget(Module, K) -> req({get, Module, K}). dbstop() -> Resp = req(stop), erase(?MODULE), Resp. %% Internal functions +-define(MAGIC_KEY, '__version_and_erule__'). + req(Request) -> DbPid = get(?MODULE), Ref = erlang:monitor(process,DbPid), @@ -70,48 +85,62 @@ loop(#state{parent = Parent, monitor = MRef, table = Table, [{_, Modtab}] = ets:lookup(Table, Mod), ets:insert(Modtab, {K2, V}), loop(State); + {set, Mod, Kvs} -> + [{_, Modtab}] = ets:lookup(Table, Mod), + ets:insert(Modtab, Kvs), + loop(State); {From, {get, Mod, K2}} -> - Result = case ets:lookup(Table, Mod) of - [] -> opentab(Table, Mod, Includes); - [{_, Modtab}] -> {ok, Modtab} - end, - case Result of - {ok, Newtab} -> reply(From, lookup(Newtab, K2)); - _Error -> reply(From, undefined) + %% XXX If there is no information for Mod, get_table/3 + %% will attempt to load information from an .asn1db + %% file, without comparing its timestamp against the + %% source file. This is known to happen when check_* + %% functions for DER are generated, but it could possibly + %% happen in other circumstances. Ideally, this issue should + %% be rectified in some way, perhaps by ensuring that + %% the module has been loaded (using dbload/4) prior + %% to calling dbget/2. + case get_table(Table, Mod, Includes) of + {ok,Tab} -> reply(From, lookup(Tab, K2)); + error -> reply(From, undefined) end, loop(State); {save, OutFile, Mod} -> [{_,Mtab}] = ets:lookup(Table, Mod), ok = ets:tab2file(Mtab, OutFile), loop(State); - {From, {new, Mod}} -> + {From, {new, Mod, Erule}} -> [] = ets:lookup(Table, Mod), %Assertion. ModTableId = ets:new(list_to_atom(lists:concat(["asn1_",Mod])), []), ets:insert(Table, {Mod, ModTableId}), + ets:insert(ModTableId, {?MAGIC_KEY, info(Erule)}), reply(From, ok), loop(State); + {From, {load, Mod, Erule, Mtime}} -> + case ets:member(Table, Mod) of + true -> + reply(From, ok); + false -> + case load_table(Mod, Erule, Mtime, Includes) of + {ok, ModTableId} -> + ets:insert(Table, {Mod, ModTableId}), + reply(From, ok); + error -> + reply(From, error) + end + end, + loop(State); {From, stop} -> reply(From, stopped); %% Nothing to store {'DOWN', MRef, process, Parent, Reason} -> exit(Reason) end. -opentab(Tab, Mod, []) -> - opentab(Tab, Mod, ["."]); -opentab(Tab, Mod, Includes) -> - Base = lists:concat([Mod, ".asn1db"]), - opentab2(Tab, Base, Mod, Includes, ok). - -opentab2(_Tab, _Base, _Mod, [], Error) -> - Error; -opentab2(Tab, Base, Mod, [Ih|It], _Error) -> - File = filename:join(Ih, Base), - case ets:file2tab(File) of - {ok, Modtab} -> - ets:insert(Tab, {Mod, Modtab}), - {ok, Modtab}; - NewErr -> - opentab2(Tab, Base, Mod, It, NewErr) +get_table(Table, Mod, Includes) -> + case ets:lookup(Table, Mod) of + [{Mod,Tab}] -> + {ok,Tab}; + [] -> + load_table(Mod, any, {{0,0,0},{0,0,0}}, Includes) end. lookup(Tab, K) -> @@ -119,3 +148,43 @@ lookup(Tab, K) -> [] -> undefined; [{K,V}] -> V end. + +info(Erule) -> + {asn1ct:vsn(),Erule}. + +load_table(Mod, Erule, Mtime, Includes) -> + Base = lists:concat([Mod, ".asn1db"]), + case path_find(Includes, Mtime, Base) of + error -> + error; + {ok,ModTab} when Erule =:= any -> + {ok,ModTab}; + {ok,ModTab} -> + Vsn = asn1ct:vsn(), + case ets:lookup(ModTab, ?MAGIC_KEY) of + [{_,{Vsn,Erule}}] -> + %% Correct version and encoding rule. + {ok,ModTab}; + _ -> + %% Missing key or wrong version/encoding rule. + ets:delete(ModTab), + error + end + end. + +path_find([H|T], Mtime, Base) -> + File = filename:join(H, Base), + case filelib:last_modified(File) of + 0 -> + path_find(T, Mtime, Base); + DbMtime when DbMtime >= Mtime -> + case ets:file2tab(File) of + {ok,_}=Ret -> + Ret; + _ -> + path_find(T, Mtime, Base) + end; + _ -> + path_find(T, Mtime, Base) + end; +path_find([], _, _) -> error. diff --git a/lib/asn1/src/asn1_records.hrl b/lib/asn1/src/asn1_records.hrl index 396ba0fcfa..af10c1771c 100644 --- a/lib/asn1/src/asn1_records.hrl +++ b/lib/asn1/src/asn1_records.hrl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -37,7 +38,7 @@ -record('ObjectClassFieldType',{classname,class,fieldname,type}). -record(typedef,{checked=false,pos,name,typespec}). --record(classdef,{checked=false,pos,name,typespec}). +-record(classdef, {checked=false,pos,name,module,typespec}). -record(valuedef,{checked=false,pos,name,type,value,module}). -record(ptypedef,{checked=false,pos,name,args,typespec}). -record(pvaluedef,{checked=false,pos,name,args,type,value}). @@ -45,7 +46,6 @@ -record(pobjectdef,{checked=false,pos,name,args,class,def}). -record(pobjectsetdef,{checked=false,pos,name,args,class,def}). --record(identifier,{pos,val}). -record('Constraint',{'SingleValue'=no,'SizeConstraint'=no,'ValueRange'=no,'PermittedAlphabet'=no, 'ContainedSubtype'=no, 'TypeConstraint'=no,'InnerSubtyping'=no,e=no,'Other'=no}). -record(simpletableattributes,{objectsetname,c_name,c_index,usedclassfield, @@ -73,9 +73,28 @@ % Externalvaluereference -> modulename '.' typename -record('Externalvaluereference',{pos,module,value}). --record(state,{module,mname,type,tname,value,vname,erule,parameters=[], - inputmodules,abscomppath=[],recordtopname=[],options, - sourcedir}). +%% Used to hold a tag for a field in a SEQUENCE/SET. It can also +%% be used for identifiers in OBJECT IDENTIFIER values, since the +%% parser cannot always distinguish a SEQUENCE with one element from +%% an OBJECT IDENTIFIER. +-record(seqtag, + {pos :: integer(), + module :: atom(), + val :: atom()}). + +-record(state, + {module, + mname, + tname, + erule, + parameters=[], + inputmodules=[], + abscomppath=[], + recordtopname=[], + options, + sourcedir, + error_context %Top-level thingie (contains line numbers) + }). %% state record used by back-end at partial decode %% active is set to 'yes' when a partial decode function is generated. diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl index 8e71a5697c..dd269f095d 100644 --- a/lib/asn1/src/asn1ct.erl +++ b/lib/asn1/src/asn1ct.erl @@ -2,23 +2,28 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1ct). +-deprecated([decode/3,encode/3]). +-compile([{nowarn_deprecated_function,{asn1rt,decode,3}}, + {nowarn_deprecated_function,{asn1rt,encode,2}}, + {nowarn_deprecated_function,{asn1rt,encode,3}}]). %% Compile Time functions for ASN.1 (e.g ASN.1 compiler). @@ -30,7 +35,8 @@ %% Application internal exports -export([compile_asn/3,compile_asn1/3,compile_py/3,compile/3, vsn/0, - get_name_of_def/1,get_pos_of_def/1]). + get_name_of_def/1,get_pos_of_def/1, + unset_pos_mod/1]). -export([read_config_data/1,get_gen_state_field/1, partial_inc_dec_toptype/1,update_gen_state/2, get_tobe_refed_func/1,reset_gen_state/0,is_function_generated/1, @@ -39,8 +45,8 @@ add_tobe_refed_func/1,add_generated_refed_func/1, maybe_rename_function/3,current_sindex/0, set_current_sindex/1,maybe_saved_sindex/2, - parse_and_save/2,verbose/3,warning/3,warning/4,error/3]). --export([get_bit_string_format/0]). + parse_and_save/2,verbose/3,warning/3,warning/4,error/3,format_error/1]). +-export([get_bit_string_format/0,use_legacy_types/0]). -include("asn1_records.hrl"). -include_lib("stdlib/include/erl_compile.hrl"). @@ -139,7 +145,8 @@ parse_and_save_passes() -> {pass,save,fun save_pass/1}]. common_passes() -> - [{pass,check,fun check_pass/1}, + [{iff,parse,{pass,parse_listing,fun parse_listing/1}}, + {pass,check,fun check_pass/1}, {iff,abs,{pass,abs_listing,fun abs_listing/1}}, {pass,generate,fun generate_pass/1}, {unless,noobj,{pass,compile,fun compile_pass/1}}]. @@ -161,46 +168,26 @@ set_scan_parse_pass(#st{files=Files}=St) -> {error,St#st{error=Error}} end. -set_scan_parse_pass_1([F|Fs], St) -> +set_scan_parse_pass_1([F|Fs], #st{file=File}=St) -> case asn1ct_tok:file(F) of {error,Error} -> throw(Error); Tokens when is_list(Tokens) -> - case catch asn1ct_parser2:parse(Tokens) of + case asn1ct_parser2:parse(File, Tokens) of {ok,M} -> [M|set_scan_parse_pass_1(Fs, St)]; - {error,ErrorTerm} -> - throw(handle_parse_error(ErrorTerm, St)) + {error,Errors} -> + throw(Errors) end end; set_scan_parse_pass_1([], _) -> []. -parse_pass(#st{code=Tokens}=St) -> - case catch asn1ct_parser2:parse(Tokens) of +parse_pass(#st{file=File,code=Tokens}=St) -> + case asn1ct_parser2:parse(File, Tokens) of {ok,M} -> {ok,St#st{code=M}}; - {error,ErrorTerm} -> - {error,St#st{error=handle_parse_error(ErrorTerm, St)}} - end. - -handle_parse_error(ErrorTerm, #st{file=File,opts=Opts}) -> - case ErrorTerm of - {{Line,_Mod,Message},_TokTup} -> - if - is_integer(Line) -> - BaseName = filename:basename(File), - error("syntax error at line ~p in module ~s:~n", - [Line,BaseName], Opts); - true -> - error("syntax error in module ~p:~n", - [File], Opts) - end, - print_error_message(Message), - Message; - {Line,_Mod,[Message,Token]} -> - error("syntax error: ~p ~p at line ~p~n", - [Message,Token,Line], Opts), - {Line,[Message,Token]} + {error,Errors} -> + {error,St#st{error=Errors}} end. merge_pass(#st{file=Base,code=Code}=St) -> @@ -239,6 +226,16 @@ save_pass(#st{code=M,erule=Erule,dbfile=DbFile}=St) -> asn1_db:dbsave(DbFile,M#module.name), {ok,St}. +parse_listing(#st{code=Code,outfile=OutFile0}=St) -> + OutFile = OutFile0 ++ ".parse", + case file:write_file(OutFile, io_lib:format("~p\n", [Code])) of + ok -> + done; + {error,Reason} -> + Error = {write_error,OutFile,Reason}, + {error,St#st{error=[{structured_error,{OutFile0,none},?MODULE,Error}]}} + end. + abs_listing(#st{code={M,_},outfile=OutFile}) -> pretty2(M#module.name, OutFile++".abs"), done. @@ -333,8 +330,7 @@ print_structured_errors([_|_]=Errors) -> print_structured_errors(_) -> ok. compile1(File, #st{opts=Opts}=St0) -> - verbose("Erlang ASN.1 version ~p, compiling ~p~n", [?vsn,File], Opts), - verbose("Compiler Options: ~p~n", [Opts], Opts), + compiler_verbose(File, Opts), Passes = single_passes(), Base = filename:rootname(filename:basename(File)), OutFile = outfile(Base, "", Opts), @@ -349,8 +345,7 @@ compile1(File, #st{opts=Opts}=St0) -> %% compile_set/3 merges and compiles a number of asn1 modules %% specified in a .set.asn file to one .erl file. compile_set(SetBase, Files, #st{opts=Opts}=St0) -> - verbose("Erlang ASN.1 version ~p compiling ~p ~n", [?vsn,Files], Opts), - verbose("Compiler Options: ~p~n",[Opts], Opts), + compiler_verbose(Files, Opts), OutFile = outfile(SetBase, "", Opts), DbFile = outfile(SetBase, "asn1db", Opts), InputModules = [begin @@ -363,6 +358,11 @@ compile_set(SetBase, Files, #st{opts=Opts}=St0) -> Passes = set_passes(), run_passes(Passes, St). +compiler_verbose(What, Opts) -> + verbose("Erlang ASN.1 compiler ~s\n", [?vsn], Opts), + verbose("Compiling: ~p\n", [What], Opts), + verbose("Options: ~p\n", [Opts], Opts). + %% merge_modules/2 -> returns a module record where the typeorval lists are merged, %% the exports lists are merged, the imports lists are merged when the %% elements come from other modules than the merge set, the tagdefault @@ -541,7 +541,10 @@ unset_pos_mod(Def) when is_record(Def,pvaluesetdef) -> unset_pos_mod(Def) when is_record(Def,pobjectdef) -> Def#pobjectdef{pos=undefined}; unset_pos_mod(Def) when is_record(Def,pobjectsetdef) -> - Def#pobjectsetdef{pos=undefined}. + Def#pobjectsetdef{pos=undefined}; +unset_pos_mod(#'ComponentType'{} = Def) -> + Def#'ComponentType'{pos=undefined}; +unset_pos_mod(Def) -> Def. get_pos_of_def(#typedef{pos=Pos}) -> Pos; @@ -559,6 +562,8 @@ get_pos_of_def(#pobjectdef{pos=Pos}) -> Pos; get_pos_of_def(#pobjectsetdef{pos=Pos}) -> Pos; +get_pos_of_def(#'Externaltypereference'{pos=Pos}) -> + Pos; get_pos_of_def(#'Externalvaluereference'{pos=Pos}) -> Pos; get_pos_of_def(_) -> @@ -838,6 +843,7 @@ delete_double_of_symbol1([],Acc) -> generate({M,GenTOrV}, OutFile, EncodingRule, Options) -> debug_on(Options), setup_bit_string_format(Options), + setup_legacy_erlang_types(Options), put(encoding_options,Options), asn1ct_table:new(check_functions), @@ -866,6 +872,31 @@ generate({M,GenTOrV}, OutFile, EncodingRule, Options) -> asn1ct_table:delete(check_functions), Result. +setup_legacy_erlang_types(Opts) -> + F = case lists:member(legacy_erlang_types, Opts) of + false -> + case get_bit_string_format() of + bitstring -> + false; + compact -> + legacy_forced_info(compact_bit_string), + true; + legacy -> + legacy_forced_info(legacy_bit_string), + true + end; + true -> + true + end, + put(use_legacy_erlang_types, F). + +legacy_forced_info(Opt) -> + io:format("Info: The option 'legacy_erlang_types' " + "is implied by the '~s' option.\n", [Opt]). + +use_legacy_types() -> + get(use_legacy_erlang_types). + setup_bit_string_format(Opts) -> Format = case {lists:member(compact_bit_string, Opts), lists:member(legacy_bit_string, Opts)} of @@ -893,17 +924,23 @@ parse_and_save(Module,S) -> Options = S#state.options, SourceDir = S#state.sourcedir, Includes = [I || {i,I} <- Options], + Erule = S#state.erule, case get_input_file(Module, [SourceDir|Includes]) of %% search for asn1 source {file,SuffixedASN1source} -> - case dbfile_uptodate(SuffixedASN1source,Options) of - false -> - parse_and_save1(S, SuffixedASN1source, Options); - _ -> ok + Mtime = filelib:last_modified(SuffixedASN1source), + case asn1_db:dbload(Module, Erule, Mtime) of + ok -> ok; + error -> parse_and_save1(S, SuffixedASN1source, Options) end; Err -> - warning("could not do a consistency check of the ~p file: no asn1 source file was found.~n", - [lists:concat([Module,".asn1db"])],Options), + case asn1_db:dbload(Module) of + ok -> + warning("could not do a consistency check of the ~p file: no asn1 source file was found.~n", + [lists:concat([Module,".asn1db"])],Options); + error -> + ok + end, {error,{asn1,input_file_error,Err}} end. @@ -929,48 +966,6 @@ get_input_file(Module,[I|Includes]) -> get_input_file(Module,Includes) end. -dbfile_uptodate(File,Options) -> - EncodingRule = get_rule(Options), - Ext = filename:extension(File), - Base = filename:basename(File,Ext), - DbFile = outfile(Base,"asn1db",Options), - case file:read_file_info(DbFile) of - {error,enoent} -> - false; - {ok,FileInfoDb} -> - %% file exists, check date and finally encodingrule - {ok,FileInfoAsn} = file:read_file_info(File), - case FileInfoDb#file_info.mtime < FileInfoAsn#file_info.mtime of - true -> - %% date of asn1 spec newer than db file - false; - _ -> - %% date ok,check that same erule was used - Obase = case lists:keysearch(outdir, 1, Options) of - {value, {outdir, Odir}} -> - Odir; - _NotFound -> "" - end, - BeamFileName = outfile(Base,"beam",Options), - case file:read_file_info(BeamFileName) of - {ok,_} -> - code:add_path(Obase), - BeamFile = list_to_atom(Base), - BeamInfo = (catch BeamFile:info()), - case catch lists:keysearch(options,1,BeamInfo) of - {value,{options,OldOptions}} -> - case get_rule(OldOptions) of - EncodingRule -> true; - _ -> false - end; - _ -> false - end; - _ -> false - end - end - end. - - input_file_type(Name,I) -> case input_file_type(Name) of {error,_} -> input_file_type2(filename:basename(Name),I); @@ -1047,7 +1042,7 @@ get_file_list1(Stream,Dir,Includes,Acc) -> Ret = io:get_line(Stream,''), case Ret of eof -> - file:close(Stream), + ok = file:close(Stream), lists:reverse(Acc); FileName -> SuffixedNameList = @@ -1108,6 +1103,7 @@ remove_asn_flags(Options) -> X /= optimize, X /= compact_bit_string, X /= legacy_bit_string, + X /= legacy_erlang_types, X /= debug, X /= asn1config, X /= record_name_prefix]. @@ -1374,10 +1370,11 @@ get_value(Module, Type) -> end. check(Module, Includes) -> - case asn1_db:dbget(Module,'MODULE') of - undefined -> - {error, {file_not_found, lists:concat([Module, ".asn1db"])}}; - M -> + case asn1_db:dbload(Module) of + error -> + {error,asn1db_missing_or_out_of_date}; + ok -> + M = asn1_db:dbget(Module, 'MODULE'), TypeOrVal = M#module.typeorval, State = #state{mname = M#module.name, module = M#module{typeorval=[]}, @@ -1394,33 +1391,6 @@ prepare_bytes(Bytes) -> list_to_binary(Bytes). vsn() -> ?vsn. - - -print_error_message([got,H|T]) when is_list(H) -> - io:format(" got:"), - print_listing(H,"and"), - print_error_message(T); -print_error_message([expected,H|T]) when is_list(H) -> - io:format(" expected one of:"), - print_listing(H,"or"), - print_error_message(T); -print_error_message([H|T]) -> - io:format(" ~p",[H]), - print_error_message(T); -print_error_message([]) -> - io:format("~n"). - -print_listing([H1,H2|[]],AndOr) -> - io:format(" ~p ~s ~p",[H1,AndOr,H2]); -print_listing([H1,H2|T],AndOr) -> - io:format(" ~p,",[H1]), - print_listing([H2|T],AndOr); -print_listing([H],_AndOr) -> - io:format(" ~p",[H]); -print_listing([],_) -> - ok. - - specialized_decode_prepare(Erule,M,TsAndVs,Options) -> case lists:member(asn1config,Options) of true -> @@ -1931,8 +1901,9 @@ read_config_file(ModuleName) -> Includes = [I || {i,I} <- Options], read_config_file1(ModuleName,Includes); {error,Reason} -> - file:format_error(Reason), - throw({error,{"error reading asn1 config file",Reason}}) + Error = "error reading asn1 config file: " ++ + file:format_error(Reason), + throw({error,Error}) end. read_config_file1(ModuleName,[]) -> case filename:extension(ModuleName) of @@ -1950,8 +1921,9 @@ read_config_file1(ModuleName,[H|T]) -> {error,enoent} -> read_config_file1(ModuleName,T); {error,Reason} -> - file:format_error(Reason), - throw({error,{"error reading asn1 config file",Reason}}) + Error = "error reading asn1 config file: " ++ + file:format_error(Reason), + throw({error,Error}) end. get_config_info(CfgList,InfoType) -> @@ -2427,6 +2399,10 @@ verbose(Format, Args, S) -> ok end. +format_error({write_error,File,Reason}) -> + io_lib:format("writing output file ~s failed: ~s", + [File,file:format_error(Reason)]). + is_error(S) when is_record(S, state) -> is_error(S#state.options); is_error(O) -> diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl index f94550b0a4..f2c895bfaa 100644 --- a/lib/asn1/src/asn1ct_check.erl +++ b/lib/asn1/src/asn1ct_check.erl @@ -2,18 +2,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -23,8 +24,6 @@ %% Main Module for ASN.1 compile time functions %-compile(export_all). -%% Avoid warning for local function error/1 clashing with autoimported BIF. --compile({no_auto_import,[error/1]}). -export([check/2,storeindb/2,format_error/1]). %-define(debug,1). -include("asn1_records.hrl"). @@ -60,17 +59,9 @@ -define(N_BMPString, 30). -define(TAG_PRIMITIVE(Num), - case S#state.erule of - ber -> - #tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=0}; - _ -> [] - end). + #tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=0}). -define(TAG_CONSTRUCTED(Num), - case S#state.erule of - ber -> - #tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=32}; - _ -> [] - end). + #tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=32}). -record(newt,{type=unchanged,tag=unchanged,constraint=unchanged,inlined=no}). % used in check_type to update type and tag @@ -91,7 +82,7 @@ check(S,{Types,Values,ParameterizedTypes,Classes,Objects,ObjectSets}) -> save_asn1db_uptodate(S,S#state.erule,S#state.mname), put(top_module,S#state.mname), - _ = checkp(S, ParameterizedTypes), %must do this before the templates are used + ParamError = checkp(S, ParameterizedTypes), %must do this before the templates are used %% table to save instances of parameterized objects,object sets asn1ct_table:new(parameterized_objects), @@ -160,8 +151,10 @@ check(S,{Types,Values,ParameterizedTypes,Classes,Objects,ObjectSets}) -> Exporterror = check_exports(S,S#state.module), ImportError = check_imports(S,S#state.module), - case {Terror3,Verror5,Cerror,Oerror,Exporterror,ImportError} of - {[],[],[],[],[],[]} -> + AllErrors = lists:flatten([ParamError,Terror3,Verror5,Cerror, + Oerror,Exporterror,ImportError]), + case AllErrors of + [] -> ContextSwitchTs = context_switch_in_spec(), InstanceOf = instance_of_in_spec(S#state.mname), NewTypes = lists:subtract(Types,AddClasses) ++ ContextSwitchTs @@ -175,8 +168,7 @@ check(S,{Types,Values,ParameterizedTypes,Classes,Objects,ObjectSets}) -> lists:subtract(NewObjects,ExclO)++InlinedObjects, lists:subtract(NewObjectSets,ExclOS)++ParObjectSetNames}}; _ -> - {error,lists:flatten([Terror3,Verror5,Cerror, - Oerror,Exporterror,ImportError])} + {error,AllErrors} end. context_switch_in_spec() -> @@ -248,96 +240,37 @@ check_exports(S,Module = #module{}) -> {exports,all} -> []; {exports,ExportList} when is_list(ExportList) -> - IsNotDefined = + IsNotDefined = fun(X) -> - case catch get_referenced_type(S,X) of - {error,{asn1,_}} -> - true; - _ -> false + try + _ = get_referenced_type(S,X), + false + catch {error,_} -> + true end end, - case lists:filter(IsNotDefined,ExportList) of - [] -> - []; - NoDefExp -> - GetName = - fun(T = #'Externaltypereference'{type=N})-> - %%{exported,undefined,entity,N} - NewS=S#state{type=T,tname=N}, - error({export,"exported undefined entity",NewS}) - end, - lists:map(GetName,NoDefExp) - end + [return_asn1_error(S, Ext, {undefined_export, Undef}) || + Ext = #'Externaltypereference'{type=Undef} <- ExportList, + IsNotDefined(Ext)] end. -check_imports(S,Module = #module{ }) -> - case Module#module.imports of - {imports,[]} -> - []; - {imports,ImportList} when is_list(ImportList) -> - check_imports2(S,ImportList,[]); - _ -> - [] - end. -check_imports2(_S,[],Acc) -> +check_imports(S, #module{imports={imports,Imports}}) -> + check_imports_1(S, Imports, []). + +check_imports_1(_S, [], Acc) -> Acc; -check_imports2(S,[#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs],Acc) -> - NameOfDef = - fun(#'Externaltypereference'{type=N}) -> N; - (#'Externalvaluereference'{value=N}) -> N - end, - Module = NameOfDef(ModuleRef), - Refs = [{M,R}||{{M,_},R} <- [{catch get_referenced_type(S,Ref),Ref}||Ref <- Imports]], - {Illegal,Other} = lists:splitwith(fun({error,_}) -> true;(_) -> false end, - Refs), - ChainedRefs = [R||{M,R} <- Other, M =/= Module], - IllegalRefs = [R||{error,R} <- Illegal] ++ - [R||{M,R} <- ChainedRefs, - ok =/= chained_import(S,Module,M,NameOfDef(R))], - ReportError = - fun(Ref) -> - NewS=S#state{type=Ref,tname=NameOfDef(Ref)}, - error({import,"imported undefined entity",NewS}) - end, - check_imports2(S,SFMs,[ReportError(Err)||Err <- IllegalRefs]++Acc). - -chained_import(S,ImpMod,DefMod,Name) -> - %% Name is a referenced structure that is not defined in ImpMod, - %% but must be present in the Imports list of ImpMod. The chain of - %% imports of Name must end in DefMod. - NameOfDef = - fun(#'Externaltypereference'{type=N}) -> N; - (#'Externalvaluereference'{value=N}) -> N; - (Other) -> Other - end, - GetImports = - fun(_M_) -> - case asn1_db:dbget(_M_,'MODULE') of - #module{imports={imports,ImportList}} -> - ImportList; - _ -> [] - end - end, - FindNameInImports = - fun([],N,_) -> {no_mod,N}; - ([#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs],N,F) -> - case [NameOfDef(X)||X <- Imports, NameOfDef(X) =:= N] of - [] -> F(SFMs,N,F); - [N] -> {NameOfDef(ModuleRef),N} - end - end, - case GetImports(ImpMod) of - [] -> - error; - Imps -> - case FindNameInImports(Imps,Name,FindNameInImports) of - {no_mod,_} -> - error; - {DefMod,_} -> ok; - {OtherMod,_} -> - chained_import(S,OtherMod,DefMod,Name) - end - end. +check_imports_1(S, [#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs], Acc) -> + Module = name_of_def(ModuleRef), + Refs = [{try get_referenced_type(S, Ref) + catch throw:Error -> Error end, + Ref} + || Ref <- Imports], + CreateError = fun(Ref) -> + Error = {undefined_import,name_of_def(Ref),Module}, + return_asn1_error(S, Ref, Error) + end, + Errors = [CreateError(Ref) || {{error, _}, Ref} <- Refs], + check_imports_1(S, SFMs, Errors ++ Acc). checkt(S0, Names) -> Check = fun do_checkt/3, @@ -350,7 +283,7 @@ checkt(S0, Names) -> check_fold(S0, lists:reverse(CtxtSwitch), Check) ++ Types. do_checkt(S, Name, #typedef{typespec=TypeSpec}=Type0) -> - NewS = S#state{type=Type0,tname=Name}, + NewS = S#state{tname=Name}, try check_type(NewS, Type0, TypeSpec) of #type{}=Ts -> case Type0#typedef.checked of @@ -365,7 +298,7 @@ do_checkt(S, Name, #typedef{typespec=TypeSpec}=Type0) -> end catch {error,Reason} -> - error({type,Reason,NewS}); + Reason; {asn1_class,_ClassDef} -> {asn1_class,Name}; pobjectsetdef -> @@ -399,33 +332,32 @@ do_checkv(S, Name, Value) is_record(Value, typedef); %Value set may be parsed as object set. is_record(Value, pvaluedef); is_record(Value, pvaluesetdef) -> - NewS = S#state{value=Value}, - try check_value(NewS, Value) of + try check_value(S, Value) of {valueset,VSet} -> Pos = asn1ct:get_pos_of_def(Value), CheckedVSDef = #typedef{checked=true,pos=Pos, name=Name,typespec=VSet}, - asn1_db:dbput(NewS#state.mname, Name, CheckedVSDef), + asn1_db:dbput(S#state.mname, Name, CheckedVSDef), {valueset,Name}; V -> %% update the valuedef - asn1_db:dbput(NewS#state.mname, Name, V), + asn1_db:dbput(S#state.mname, Name, V), ok catch {error,Reason} -> - error({value,Reason,NewS}); + Reason; {pobjectsetdef} -> {pobjectsetdef,Name}; {objectsetdef} -> {objectsetdef,Name}; - {objectdef} -> + {asn1_class, _} -> %% this is an object, save as typedef #valuedef{checked=C,pos=Pos,name=N,type=Type, value=Def} = Value, ClassName = Type#type.def, NewSpec = #'Object'{classname=ClassName,def=Def}, NewDef = #typedef{checked=C,pos=Pos,name=N,typespec=NewSpec}, - asn1_db:dbput(NewS#state.mname, Name, NewDef), + asn1_db:dbput(S#state.mname, Name, NewDef), {objectdef,Name} end. @@ -434,7 +366,7 @@ checkp(S, Names) -> check_fold(S, Names, fun do_checkp/3). do_checkp(S0, Name, #ptypedef{typespec=TypeSpec}=Type0) -> - S = S0#state{type=Type0,tname=Name}, + S = S0#state{tname=Name}, try check_ptype(S, Type0, TypeSpec) of #type{}=Ts -> Type = Type0#ptypedef{checked=true,typespec=Ts}, @@ -442,7 +374,7 @@ do_checkp(S0, Name, #ptypedef{typespec=TypeSpec}=Type0) -> ok catch {error,Reason} -> - error({type,Reason,S}); + Reason; {asn1_class,_ClassDef} -> {asn1_class,Name}; {asn1_param_class,_} -> @@ -453,100 +385,81 @@ do_checkp(S0, Name, #ptypedef{typespec=TypeSpec}=Type0) -> checkc(S, Names) -> check_fold(S, Names, fun do_checkc/3). -do_checkc(S0, Name, Class0) -> - {Class1,ClassSpec} = - case Class0 of - #classdef{} -> - {Class0,Class0}; - #typedef{} -> - {#classdef{name=Name},Class0#typedef.typespec} - end, - S = S0#state{type=Class0,tname=Name}, - try check_class(S, ClassSpec) of - C -> - Class = Class1#classdef{checked=true,typespec=C}, - asn1_db:dbput(S#state.mname, Name, Class), - ok - catch - {error,Reason} -> - error({class,Reason,S}) - end. +do_checkc(S, Name, Class) -> + try + case is_classname(Name) of + false -> + asn1_error(S, {illegal_class_name,Name}); + true -> + do_checkc_1(S, Name, Class) + end + catch {error,Reason} -> Reason + end. + +do_checkc_1(S, Name, #classdef{}=Class) -> + C = check_class(S, Class), + store_class(S, true, Class#classdef{typespec=C}, Name), + ok; +do_checkc_1(S, Name, #typedef{typespec=#type{def=Def}=TS}) -> + C = check_class(S, TS), + {Mod,Pos} = case Def of + #'Externaltypereference'{module=M, pos=P} -> + {M,P}; + {pt, #'Externaltypereference'{module=M, pos=P}, _} -> + {M,P} + end, + Class = #classdef{name=Name, typespec=C, pos=Pos, module=Mod}, + store_class(S, true, Class, Name), + ok. + +%% is_classname(Atom) -> true|false. +is_classname(Name) when is_atom(Name) -> + lists:all(fun($-) -> true; + (D) when $0 =< D, D =< $9 -> true; + (UC) when $A =< UC, UC =< $Z -> true; + (_) -> false + end, atom_to_list(Name)). -checko(S,[Name|Os],Acc,ExclO,ExclOS) -> - ?dbg("Checking object ~p~n",[Name]), - Result = - case asn1_db:dbget(S#state.mname,Name) of - undefined -> - error({type,{internal_error,'???'},S}); - Object when is_record(Object,typedef) -> - NewS = S#state{type=Object,tname=Name}, - case catch(check_object(NewS,Object,Object#typedef.typespec)) of - {error,Reason} -> - error({type,Reason,NewS}); - {'EXIT',Reason} -> - error({type,{internal_error,Reason},NewS}); - {asn1,Reason} -> - error({type,Reason,NewS}); - O -> - NewObj = Object#typedef{checked=true,typespec=O}, - asn1_db:dbput(NewS#state.mname,Name,NewObj), - if - is_record(O,'Object') -> - case O#'Object'.gen of - true -> - {ok,ExclO,ExclOS}; - false -> - {ok,[Name|ExclO],ExclOS} - end; - is_record(O,'ObjectSet') -> - case O#'ObjectSet'.gen of - true -> - {ok,ExclO,ExclOS}; - false -> - {ok,ExclO,[Name|ExclOS]} - end - end - end; - PObject when is_record(PObject,pobjectdef) -> - NewS = S#state{type=PObject,tname=Name}, - case (catch check_pobject(NewS,PObject)) of - {error,Reason} -> - error({type,Reason,NewS}); - {'EXIT',Reason} -> - error({type,{internal_error,Reason},NewS}); - {asn1,Reason} -> - error({type,Reason,NewS}); - PO -> - NewPObj = PObject#pobjectdef{def=PO}, - asn1_db:dbput(NewS#state.mname,Name,NewPObj), - {ok,[Name|ExclO],ExclOS} - end; - PObjSet when is_record(PObjSet,pvaluesetdef) -> - %% this is a parameterized object set. Might be a parameterized - %% value set, couldn't it? - NewS = S#state{type=PObjSet,tname=Name}, - case (catch check_pobjectset(NewS,PObjSet)) of - {error,Reason} -> - error({type,Reason,NewS}); - {'EXIT',Reason} -> - error({type,{internal_error,Reason},NewS}); - {asn1,Reason} -> - error({type,Reason,NewS}); - POS -> - %%NewPObjSet = PObjSet#pvaluesetdef{valueset=POS}, - asn1_db:dbput(NewS#state.mname,Name,POS), - {ok,ExclO,[Name|ExclOS]} - end - end, - case Result of - {ok,NewExclO,NewExclOS} -> - checko(S,Os,Acc,NewExclO,NewExclOS); - _ -> - checko(S,Os,[Result|Acc],ExclO,ExclOS) +checko(S0,[Name|Os],Acc,ExclO,ExclOS) -> + Item = asn1_db:dbget(S0#state.mname, Name), + S = S0#state{error_context=Item}, + try checko_1(S, Item, Name, ExclO, ExclOS) of + {NewExclO,NewExclOS} -> + checko(S, Os, Acc, NewExclO, NewExclOS) + catch + throw:{error, Error} -> + checko(S, Os, [Error|Acc], ExclO, ExclOS) end; checko(_S,[],Acc,ExclO,ExclOS) -> {lists:reverse(Acc),lists:reverse(ExclO),lists:reverse(ExclOS)}. +checko_1(S, #typedef{typespec=TS}=Object, Name, ExclO, ExclOS) -> + NewS = S#state{tname=Name}, + O = check_object(NewS, Object, TS), + NewObj = Object#typedef{checked=true,typespec=O}, + asn1_db:dbput(NewS#state.mname, Name, NewObj), + case O of + #'Object'{gen=true} -> + {ExclO,ExclOS}; + #'Object'{gen=false} -> + {[Name|ExclO],ExclOS}; + #'ObjectSet'{gen=true} -> + {ExclO,ExclOS}; + #'ObjectSet'{gen=false} -> + {ExclO,[Name|ExclOS]} + end; +checko_1(S, #pobjectdef{}=PObject, Name, ExclO, ExclOS) -> + NewS = S#state{tname=Name}, + PO = check_pobject(NewS, PObject), + NewPObj = PObject#pobjectdef{def=PO}, + asn1_db:dbput(NewS#state.mname, Name, NewPObj), + {[Name|ExclO],ExclOS}; +checko_1(S, #pvaluesetdef{}=PObjSet, Name, ExclO, ExclOS) -> + NewS = S#state{tname=Name}, + POS = check_pobjectset(NewS, PObjSet), + asn1_db:dbput(NewS#state.mname, Name, POS), + {ExclO,[Name|ExclOS]}. + check_class(S,CDef=#classdef{checked=Ch,name=Name,typespec=TS}) -> case Ch of true -> TS; @@ -565,27 +478,17 @@ check_class(S = #state{mname=M,tname=T},ClassSpec) #objectclass{fields=Def}; % in case of recursive definitions Tref = #'Externaltypereference'{type=TName} -> {MName,RefType} = get_referenced_type(S,Tref), - case is_class(S,RefType) of - true -> - NewState = update_state(S#state{type=RefType, - tname=TName},MName), - check_class(NewState,get_class_def(S,RefType)); - _ -> - error({class,{internal_error,RefType},S}) - end; + #classdef{} = CD = get_class_def(S, RefType), + NewState = update_state(S#state{tname=TName}, MName), + check_class(NewState, CD); {pt,ClassRef,Params} -> %% parameterized class {_,PClassDef} = get_referenced_type(S,ClassRef), - NewParaList = - [match_parameters(S,TmpParam,S#state.parameters)|| - TmpParam <- Params], + NewParaList = match_parameters(S, Params), instantiate_pclass(S,PClassDef,NewParaList) end; -check_class(S,C) when is_record(C,objectclass) -> - NewFieldSpec = check_class_fields(S,C#objectclass.fields), - C#objectclass{fields=NewFieldSpec}; -check_class(_S,{poc,_ObjSet,_Params}) -> - 'fix this later'; +check_class(S, #objectclass{}=C) -> + check_objectclass(S, C); check_class(S,ClassName) -> {RefMod,Def} = get_referenced_type(S,ClassName), case Def of @@ -598,8 +501,7 @@ check_class(S,ClassName) -> false -> Name=ClassName#'Externaltypereference'.type, store_class(S,idle,ClassDef,Name), -% NewS = S#state{mname=RefMod,type=Def,tname=Name}, - NewS = update_state(S#state{type=Def,tname=Name},RefMod), + NewS = update_state(S#state{tname=Name}, RefMod), CheckedTS = check_class(NewS,ClassDef#classdef.typespec), store_class(S,true,ClassDef#classdef{typespec=CheckedTS},Name), CheckedTS @@ -613,11 +515,20 @@ check_class(S,ClassName) -> end end. +check_objectclass(S, #objectclass{fields=Fs0,syntax=Syntax0}=C) -> + Fs = check_class_fields(S, Fs0), + case Syntax0 of + {'WITH SYNTAX',Syntax1} -> + Syntax = preprocess_syntax(S, Syntax1, Fs), + C#objectclass{fields=Fs,syntax={preprocessed_syntax,Syntax}}; + _ -> + C#objectclass{fields=Fs} + end. + instantiate_pclass(S=#state{parameters=_OldArgs},PClassDef,Params) -> #ptypedef{args=Args,typespec=Type} = PClassDef, MatchedArgs = match_args(S,Args, Params, []), -% NewS = S#state{type=Type,parameters=MatchedArgs++OldArgs,abscomppath=[]}, - NewS = S#state{type=Type,parameters=MatchedArgs,abscomppath=[]}, + NewS = S#state{parameters=MatchedArgs,abscomppath=[]}, check_class(NewS,#classdef{name=S#state.tname,typespec=Type}). store_class(S,Mode,ClassDef,ClassName) -> @@ -632,6 +543,12 @@ check_class_fields(S,[F|Fields],Acc) -> case element(1,F) of fixedtypevaluefield -> {_,Name,Type,Unique,OSpec} = F, + case {Unique,OSpec} of + {'UNIQUE',{'DEFAULT',_}} -> + asn1_error(S, {unique_and_default,Name}); + {_,_} -> + ok + end, RefType = check_type(S,#typedef{typespec=Type},Type), {fixedtypevaluefield,Name,RefType,Unique,OSpec}; object_or_fixedtypevalue_field -> @@ -640,7 +557,7 @@ check_class_fields(S,[F|Fields],Acc) -> Cat = case asn1ct_gen:type(asn1ct_gen:get_inner(Type2#type.def)) of Def when is_record(Def,'Externaltypereference') -> - {_,D} = get_referenced_type(S,Def), + {_,D} = get_referenced_type(S, Def, true), D; {undefined,user} -> %% neither of {primitive,bif} or {constructed,bif} @@ -663,18 +580,14 @@ check_class_fields(S,[F|Fields],Acc) -> objectset_or_fixedtypevalueset_field -> {_,Name,Type,OSpec} = F, RefType = - case (catch check_type(S,#typedef{typespec=Type},Type)) of - {asn1_class,_ClassDef} -> + try check_type(S,#typedef{typespec=Type},Type) of + #type{} = CheckedType -> + CheckedType + catch {asn1_class,_ClassDef} -> case if_current_checked_type(S,Type) of - true -> - Type#type.def; - _ -> - check_class(S,Type) - end; - CheckedType when is_record(CheckedType,type) -> - CheckedType; - _ -> - error({class,"internal error, check_class_fields",S}) + true -> Type#type.def; + _ -> check_class(S,Type) + end end, if is_record(RefType,'Externaltypereference') -> @@ -752,38 +665,34 @@ check_pobjectset(S,PObjSet) -> PObjSet end. +-record(osi, %Object set information. + {st, + classref, + uniq, + ext + }). + check_object(_S,ObjDef,ObjSpec) when (ObjDef#typedef.checked == true) -> ObjSpec; check_object(S,_ObjDef,#'Object'{classname=ClassRef,def=ObjectDef}) -> ?dbg("check_object ~p~n",[ObjectDef]), -%% io:format("check_object,object: ~p~n",[ObjectDef]), -% {MName,_ClassDef} = get_referenced_type(S,ClassRef), - NewClassRef = check_externaltypereference(S,ClassRef), - ClassDef = - case get_referenced_type(S,ClassRef) of - {MName,ClDef=#classdef{checked=false}} -> - NewState = update_state(S#state{type=ClDef, - tname=ClassRef#'Externaltypereference'.type},MName), - ObjClass= - check_class(NewState,ClDef), - #classdef{checked=true, - typespec=ObjClass}; - {_,_ClDef} when is_record(_ClDef,classdef) -> - _ClDef; - {MName,_TDef=#typedef{checked=false,pos=Pos, - name=_TName,typespec=TS}} -> - ClDef = #classdef{pos=Pos,name=_TName,typespec=TS}, - NewState = update_state(S#state{type=_TDef, - tname=ClassRef#'Externaltypereference'.type},MName), - ObjClass = - check_class(NewState,ClDef), - ClDef#classdef{checked=true,typespec=ObjClass}; - {_,_ClDef} -> - _ClDef + _ = check_externaltypereference(S,ClassRef), + {ClassDef, NewClassRef} = + case get_referenced_type(S, ClassRef, true) of + {MName,#classdef{checked=false, name=CLName}=ClDef} -> + Type = ClassRef#'Externaltypereference'.type, + NewState = update_state(S#state{tname=Type}, MName), + ObjClass = check_class(NewState, ClDef), + {ClDef#classdef{checked=true, typespec=ObjClass}, + #'Externaltypereference'{module=MName, type=CLName}}; + {MName,#classdef{name=CLName}=ClDef} -> + {ClDef, #'Externaltypereference'{module=MName, type=CLName}}; + _ -> + asn1_error(S, illegal_object) end, NewObj = case ObjectDef of - Def when is_tuple(Def), (element(1,Def)==object) -> + {object,_,_}=Def -> NewSettingList = check_objectdefn(S,Def,ClassDef), #'Object'{def=NewSettingList}; {po,{object,DefObj},ArgsList} -> @@ -797,423 +706,287 @@ check_object(S,_ObjDef,#'Object'{classname=ClassRef,def=ObjectDef}) -> instantiate_po(S,ClassDef,Object,ArgList); #'Externalvaluereference'{} -> {_,Object} = get_referenced_type(S,ObjectDef), - check_object(S,Object,Object#typedef.typespec); + check_object(S, Object, object_to_check(S, Object)); [] -> - %% An object with no fields. All class fields must be - %% optional or default. Check that all fields in - %% class are 'OPTIONAL' or 'DEFAULT' - class_fields_optional_check(S,ClassDef), - #'Object'{def={object,defaultsyntax,[]}}; - _ -> - exit({error,{no_object,ObjectDef},S}) + %% An object with no fields (parsed as a value). + Def = {object,defaultsyntax,[]}, + NewSettingList = check_objectdefn(S, Def, ClassDef), + #'Object'{def=NewSettingList}; + _ -> + asn1_error(S, illegal_object) end, - Gen = gen_incl(S,NewObj#'Object'.def, - (ClassDef#classdef.typespec)#objectclass.fields), + Fields = (ClassDef#classdef.typespec)#objectclass.fields, + Gen = gen_incl(S,NewObj#'Object'.def, Fields), NewObj#'Object'{classname=NewClassRef,gen=Gen}; - - -check_object(S, - _ObjSetDef, - ObjSet=#'ObjectSet'{class=ClassRef}) -> -%% io:format("check_object,SET: ~p~n",[ObjSet#'ObjectSet'.set]), - ?dbg("check_object set: ~p~n",[ObjSet#'ObjectSet'.set]), - {_,ClassDef} = get_referenced_type(S,ClassRef), - NewClassRef = check_externaltypereference(S,ClassRef), - {UniqueFieldName,UniqueInfo} = - case (catch get_unique_fieldname(S,ClassDef)) of - {error,'__undefined_',_} -> - {{unique,undefined},{unique,undefined}}; - {asn1,Msg,_} -> error({class,Msg,S}); - {'EXIT',Msg} -> error({class,{internal_error,Msg},S}); +check_object(S, _, #'ObjectSet'{class=ClassRef0,set=Set0}=ObjSet0) -> + {_,ClassDef} = get_referenced_type(S, ClassRef0), + ClassRef = check_externaltypereference(S, ClassRef0), + {UniqueFieldName,UniqueInfo} = + case get_unique_fieldname(S, ClassDef) of + no_unique -> {{unique,undefined},{unique,undefined}}; Other -> {element(1,Other),Other} end, - NewObjSet= - case prepare_objset(ObjSet#'ObjectSet'.set) of - {set,SET,EXT} -> - CheckedSet = check_object_list(S,NewClassRef,SET), - NewSet = get_unique_valuelist(S,CheckedSet,UniqueInfo), - ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=extensionmark(NewSet,EXT)}; - - {'SingleValue',ERef = #'Externalvaluereference'{}} -> - {RefedMod,ObjDef} = get_referenced_type(S,ERef), - #'Object'{def=CheckedObj} = - check_object(S,ObjDef,ObjDef#typedef.typespec), - - NewSet = get_unique_valuelist(S,[{{RefedMod,get_datastr_name(ObjDef)}, - CheckedObj}], - UniqueInfo), - ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=NewSet}; - ['EXTENSIONMARK'] -> - ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=['EXTENSIONMARK']}; - - OSref when is_record(OSref,'Externaltypereference') -> - {_,OS=#typedef{typespec=OSdef}} = get_referenced_type(S,OSref), - check_object(S,OS,OSdef); - - {Type,{'EXCEPT',Exclusion}} when is_record(Type,type) -> - {_,TDef} = get_referenced_type(S,Type#type.def), - OS = TDef#typedef.typespec, - NewSet = reduce_objectset(OS#'ObjectSet'.set,Exclusion), - NewOS = OS#'ObjectSet'{set=NewSet}, - check_object(S,TDef#typedef{typespec=NewOS}, - NewOS); - #type{def={pt,DefinedObjSet,ParamList}} -> - {_,PObjSetDef} = get_referenced_type(S,DefinedObjSet), - NewParamList = - [match_parameters(S,TmpParam,S#state.parameters)|| - TmpParam <- ParamList], - instantiate_pos(S,ClassRef,PObjSetDef,NewParamList); - - %% actually this is an ObjectSetFromObjects construct, it - %% is when the object set is retrieved from an object - %% field. - #type{def=#'ObjectClassFieldType'{classname=ObjName, - fieldname=FieldName}} -> - {RefedObjMod,TDef} = get_referenced_type(S,ObjName), - OS=TDef#typedef.typespec, - %% should get the right object set here. Get the field - %% FieldName out of the object set OS of class - %% OS#'ObjectSet'.class - OS2=check_object(S,TDef,OS), - NewSet=object_set_from_objects(S,RefedObjMod,FieldName,OS2), - ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=NewSet}; - {'ObjectSetFromObjects',{_,_,ObjName},FieldName} -> - {RefedObjMod,TDef} = get_referenced_type(S,ObjName), - OS=TDef#typedef.typespec, - %% should get the right object set here. Get the field - %% FieldName out of the object set OS of class - %% OS#'ObjectSet'.class - OS2=check_object(S,TDef,OS), - NewSet=object_set_from_objects(S,RefedObjMod,FieldName,OS2), - ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=NewSet}; - {'ObjectSetFromObjects',{_,ObjName},FieldName} -> - %% This is a ObjectSetFromObjects, i.e. - %% ObjectSetFromObjects ::= ReferencedObjects "." FieldName - %% with a defined object as ReferencedObjects. And - %% the FieldName of the Class (object) contains an object set. - {RefedObjMod,TDef} = get_referenced_type(S,ObjName), - O1 = TDef#typedef.typespec, - O2 = check_object(S,TDef,O1), - NewSet = object_set_from_objects(S,RefedObjMod,FieldName,O2), - OS2=ObjSet#'ObjectSet'{uniquefname=UniqueFieldName, - set=NewSet}, - %%io:format("ObjectSet: ~p~n",[OS2]), - OS2; - {pos,{objectset,_,DefinedObjSet},Params} -> - {_,PObjSetDef} = get_referenced_type(S,DefinedObjSet), - NewParamList = - [match_parameters(S,TmpParam,S#state.parameters)|| - TmpParam <- Params], - instantiate_pos(S,ClassRef,PObjSetDef,NewParamList); - Unknown -> - exit({error,{unknown_object_set,Unknown},S}) - end, - NewSet2 = remove_duplicate_objects(NewObjSet#'ObjectSet'.set), - NewObjSet2 = NewObjSet#'ObjectSet'{set=NewSet2}, - Gen = gen_incl_set(S,NewObjSet2#'ObjectSet'.set, - ClassDef), - ?dbg("check_object done~n",[]), - NewObjSet2#'ObjectSet'{class=NewClassRef,gen=Gen}. + OSI0 = #osi{st=S,classref=ClassRef,uniq=UniqueInfo,ext=false}, + {Set1,OSI1} = if + is_list(Set0) -> + check_object_set_list(Set0, OSI0); + true -> + check_object_set(Set0, OSI0) + end, + Ext = case Set1 of + [] -> + %% FIXME: X420 does not compile unless we force + %% empty sets to be extensible. There should be + %% a better way. + true; + [_|_] -> + OSI1#osi.ext + end, + Set2 = remove_duplicate_objects(S, Set1), + Set = case Ext of + false -> Set2; + true -> Set2 ++ ['EXTENSIONMARK'] + end, + ObjSet = ObjSet0#'ObjectSet'{uniquefname=UniqueFieldName,set=Set}, + Gen = gen_incl_set(S, Set, ClassDef), + ObjSet#'ObjectSet'{class=ClassRef,gen=Gen}. + +check_object_set({element_set,Root0,Ext0}, OSI0) -> + OSI = case Ext0 of + none -> OSI0; + _ -> OSI0#osi{ext=true} + end, + case {Root0,Ext0} of + {empty,empty} -> {[],OSI}; + {empty,Ext} -> check_object_set(Ext, OSI); + {Root,none} -> check_object_set(Root, OSI); + {Root,empty} -> check_object_set(Root, OSI); + {Root,Ext} -> check_object_set_list([Root,Ext], OSI) + end; +check_object_set(#'Externaltypereference'{}=Ref, #osi{st=S}=OSI) -> + {_,#typedef{typespec=OSdef}=OS} = get_referenced_type(S, Ref), + ObjectSet = check_object(S, OS, OSdef), + check_object_set_objset(ObjectSet, OSI); +check_object_set(#'Externalvaluereference'{}=Ref, #osi{st=S}=OSI) -> + {RefedMod,ObjName,#'Object'{def=Def}} = check_referenced_object(S, Ref), + ObjList = check_object_set_mk(RefedMod, ObjName, Def, OSI), + {ObjList,OSI}; +check_object_set({'EXCEPT',Incl0,Excl0}, OSI) -> + {Incl1,_} = check_object_set(Incl0, OSI), + {Excl1,_} = check_object_set(Excl0, OSI), + Exclude = sofs:set([N || {N,_} <- Excl1], [name]), + Incl2 = [{Name,Obj} || {Name,_,_}=Obj <- Incl1], + Incl3 = sofs:relation(Incl2, [{name,object}]), + Incl4 = sofs:drestriction(Incl3, Exclude), + Incl5 = sofs:to_external(Incl4), + Incl = [Obj || {_,Obj} <- Incl5], + {Incl,OSI}; +check_object_set({object,_,_}=Obj0, OSI) -> + #osi{st=S,classref=ClassRef} = OSI, + #'Object'{def=Def} = + check_object(S, #typedef{typespec=Obj0}, + #'Object'{classname=ClassRef,def=Obj0}), + ObjList = check_object_set_mk(Def, OSI), + {ObjList,OSI}; +check_object_set(#'ObjectClassFieldType'{classname=ObjName, + fieldname=FieldNames}, + #osi{st=S}=OSI) -> + Set = check_ObjectSetFromObjects(S, ObjName, FieldNames), + check_object_set_objset_list(Set, OSI); +check_object_set({'ObjectSetFromObjects',Obj,FieldNames}, #osi{st=S}=OSI) -> + ObjName = element(tuple_size(Obj), Obj), + Set = check_ObjectSetFromObjects(S, ObjName, FieldNames), + check_object_set_objset_list(Set, OSI); +check_object_set({pt,DefinedObjSet,ParamList0}, OSI) -> + #osi{st=S,classref=ClassRef} = OSI, + {_,PObjSetDef} = get_referenced_type(S, DefinedObjSet), + ParamList = match_parameters(S, ParamList0), + ObjectSet = instantiate_pos(S, ClassRef, PObjSetDef, ParamList), + check_object_set_objset(ObjectSet, OSI); +check_object_set({pos,{objectset,_,DefinedObjSet},Params0}, OSI) -> + #osi{st=S,classref=ClassRef} = OSI, + {_,PObjSetDef} = get_referenced_type(S, DefinedObjSet), + Params = match_parameters(S, Params0), + ObjectSet = instantiate_pos(S, ClassRef, PObjSetDef, Params), + check_object_set_objset(ObjectSet, OSI); +check_object_set({pv,{simpledefinedvalue,DefinedObject},Params}=PV, OSI) -> + #osi{st=S,classref=ClassRef} = OSI, + Args = match_parameters(S, Params), + #'Object'{def=Def} = + check_object(S, PV, + #'Object'{classname=ClassRef , + def={po,{object,DefinedObject},Args}}), + ObjList = check_object_set_mk(Def, OSI), + {ObjList,OSI}; +check_object_set({'SingleValue',Val}, OSI) -> + check_object_set(Val, OSI); +check_object_set({'ValueFromObject',{object,Object},FieldNames}, OSI) -> + #osi{st=S} = OSI, + case extract_field(S, Object, FieldNames) of + #'Object'{def=Def} -> + ObjList = check_object_set_mk(Def, OSI), + {ObjList,OSI}; + _ -> + asn1_error(S, illegal_object) + end; +check_object_set(#type{def=Def}, OSI) -> + check_object_set(Def, OSI); +check_object_set({union,A0,B0}, OSI0) -> + {A,OSI1} = check_object_set(A0, OSI0), + {B,OSI} = check_object_set(B0, OSI1), + {A++B,OSI}. + +check_object_set_list([H|T], OSI0) -> + {Set0,OSI1} = check_object_set(H, OSI0), + {Set1,OSI2} = check_object_set_list(T, OSI1), + {Set0++Set1,OSI2}; +check_object_set_list([], OSI) -> + {[],OSI}. + +check_object_set_objset(#'ObjectSet'{set=Set}, OSI) -> + check_object_set_objset_list(Set, OSI). + +check_object_set_objset_list(Set, OSI) -> + check_object_set_objset_list_1(Set, OSI, []). + +check_object_set_objset_list_1(['EXTENSIONMARK'|T], OSI, Acc) -> + check_object_set_objset_list_1(T, OSI#osi{ext=true}, Acc); +check_object_set_objset_list_1([H|T], OSI, Acc) -> + check_object_set_objset_list_1(T, OSI, [H|Acc]); +check_object_set_objset_list_1([], OSI, Acc) -> + {Acc,OSI}. + +check_object_set_mk(Fields, OSI) -> + check_object_set_mk(no_mod, no_name, Fields, OSI). + +check_object_set_mk(M, N, Def, #osi{uniq={unique,undefined}}) -> + {_,_,Fields} = Def, + [{{M,N},no_unique_value,Fields}]; +check_object_set_mk(M, N, Def, #osi{uniq={UniqField,_}}) -> + {_,_,Fields} = Def, + case lists:keyfind(UniqField, 1, Fields) of + {UniqField,#valuedef{value=Val}} -> + [{{M,N},Val,Fields}]; + false -> + case Fields of + [{_,#typedef{typespec=#'ObjectSet'{set=['EXTENSIONMARK']}}}] -> + %% FIXME: If object is missing the unique field and + %% only contains a reference to an empty object set, + %% we will remove the entire object as a workaround + %% to get X420 to compile. There should be a better + %% way. + []; + _ -> + [{{M,N},no_unique_value,Fields}] + end + end. %% remove_duplicate_objects/1 remove duplicates of objects. %% For instance may Set contain objects of same class from %% different object sets that in fact might be duplicates. -remove_duplicate_objects(Set) when is_list(Set) -> - Pred = fun({A,B,_},{A,C,_}) when B =< C -> true; - ({A,_,_},{B,_,_}) when A < B -> true; - ('EXTENSIONMARK','EXTENSIONMARK') -> true; - (T,A) when is_tuple(T),is_atom(A) -> true;% EXTENSIONMARK last in list - (_,_) -> false - end, - lists:usort(Pred,Set). +remove_duplicate_objects(S, Set0) when is_list(Set0) -> + Set1 = [{Id,Orig} || {_,Id,_}=Orig <- Set0], + Set2 = sofs:relation(Set1), + Set3 = sofs:relation_to_family(Set2), + Set = sofs:to_external(Set3), + remove_duplicate_objects_1(S, Set). + +remove_duplicate_objects_1(S, [{no_unique_value,Objs}|T]) -> + Objs ++ remove_duplicate_objects_1(S, T); +remove_duplicate_objects_1(S, [{_,[_]=Objs}|T]) -> + Objs ++ remove_duplicate_objects_1(S, T); +remove_duplicate_objects_1(S, [{Id,[_|_]=Objs}|T]) -> + MakeSortable = fun(What) -> sortable_type(S, What) end, + Tagged = order_tag_set(Objs, MakeSortable), + case lists:ukeysort(1, Tagged) of + [{_,Obj}] -> + [Obj|remove_duplicate_objects_1(S, T)]; + [_|_] -> + asn1_error(S, {non_unique_object,Id}) + end; +remove_duplicate_objects_1(_, []) -> + []. -%% -extensionmark(L,true) -> - case lists:member('EXTENSIONMARK',L) of - true -> L; - _ -> L ++ ['EXTENSIONMARK'] +order_tag_set([{_, _, Fields}=Orig|Fs], Fun) -> + Pair = {[{FId, traverse(F, Fun)} || {FId, F} <- Fields], Orig}, + [Pair|order_tag_set(Fs, Fun)]; +order_tag_set([], _) -> []. + +sortable_type(S, #'Externaltypereference'{}=ERef) -> + try get_referenced_type(S, ERef) of + {_,#typedef{}=OI} -> + OI#typedef{pos=undefined,name=undefined} + catch + _:_ -> + ERef end; -extensionmark(L,_) -> - L. +sortable_type(_, #typedef{}=TD) -> + asn1ct:unset_pos_mod(TD#typedef{name=undefined}); +sortable_type(_, Type) -> + asn1ct:unset_pos_mod(Type). + +traverse(Structure0, Fun) -> + Structure = Fun(Structure0), + traverse_1(Structure, Fun). + +traverse_1(#typedef{typespec=TS0} = TD, Fun) -> + TS = traverse(TS0, Fun), + TD#typedef{typespec=TS}; +traverse_1(#valuedef{type=TS0} = VD, Fun) -> + TS = traverse(TS0, Fun), + VD#valuedef{type=TS}; +traverse_1(#type{def=TS0} = TD, Fun) -> + TS = traverse(TS0, Fun), + TD#type{def=TS}; +traverse_1(#'SEQUENCE'{components=Cs0} = Seq, Fun) -> + Cs = traverse_seq_set(Cs0, Fun), + Seq#'SEQUENCE'{components=Cs}; +traverse_1({'SEQUENCE OF',Type0}, Fun) -> + Type = traverse(Type0, Fun), + {'SEQUENCE OF',Type}; +traverse_1({'SET OF',Type0}, Fun) -> + Type = traverse(Type0, Fun), + {'SET OF',Type}; +traverse_1(#'SET'{components=Cs0} = Set, Fun) -> + Cs = traverse_seq_set(Cs0, Fun), + Set#'SET'{components=Cs}; +traverse_1({'CHOICE', Cs0}, Fun) -> + Cs = traverse_seq_set(Cs0, Fun), + {'CHOICE', Cs}; +traverse_1(Leaf, _) -> + Leaf. + +traverse_seq_set(List, Fun) when is_list(List) -> + traverse_seq_set_1(List, Fun); +traverse_seq_set({Set, Ext}, Fun) -> + {traverse_seq_set_1(Set, Fun), traverse_seq_set_1(Ext, Fun)}; +traverse_seq_set({Set1, Set2, Set3}, Fun) -> + {traverse_seq_set_1(Set1, Fun), + traverse_seq_set_1(Set2, Fun), + traverse_seq_set_1(Set3, Fun)}. + +traverse_seq_set_1([#'ComponentType'{} = CT0|Cs], Fun) -> + CT = #'ComponentType'{typespec=TS0} = Fun(CT0), + TS = traverse(TS0, Fun), + [CT#'ComponentType'{typespec=TS}|traverse_seq_set_1(Cs, Fun)]; +traverse_seq_set_1([{'COMPONENTS OF', _} = CO0|Cs], Fun) -> + {'COMPONENTS OF', TS0} = Fun(CO0), + TS = traverse(TS0, Fun), + [{'COMPONENTS OF', TS}|traverse_seq_set_1(Cs, Fun)]; +traverse_seq_set_1([], _) -> + []. -object_to_check(#typedef{typespec=ObjDef}) -> +object_to_check(_, #typedef{typespec=ObjDef}) -> ObjDef; -object_to_check(#valuedef{type=ClassName,value=ObjectRef}) -> +object_to_check(S, #valuedef{type=Class,value=ObjectRef}) -> %% If the object definition is parsed as an object the ClassName - %% is parsed as a type - #'Object'{classname=ClassName#type.def,def=ObjectRef}. - -prepare_objset({'SingleValue',Set}) when is_list(Set) -> - {set,Set,false}; -prepare_objset(L=['EXTENSIONMARK']) -> - L; -prepare_objset(Set) when is_list(Set) -> - {set,Set,false}; -prepare_objset({{'SingleValue',Set},Ext}) -> - {set,merge_sets(Set,Ext),true}; -%%prepare_objset({Set,Ext}) when is_list(Set),is_list(Ext) -> -%% {set,lists:append([Set,Ext]),true}; -prepare_objset({Set,Ext}) when is_list(Set) -> - {set,merge_sets(Set,Ext),true}; -prepare_objset({{object,definedsyntax,_ObjFields}=Set,Ext}) -> - {set,merge_sets(Set, Ext),true}; -prepare_objset(ObjDef={object,definedsyntax,_ObjFields}) -> - {set,[ObjDef],false}; -prepare_objset({ObjDef=#type{},Ext}) when is_list(Ext) -> - {set,[ObjDef|Ext],true}; -prepare_objset(Ret) -> - Ret. - -class_fields_optional_check(S,#classdef{typespec=ClassSpec}) -> - Fields = ClassSpec#objectclass.fields, - class_fields_optional_check1(S,Fields). - -class_fields_optional_check1(_S,[]) -> - ok; -class_fields_optional_check1(S,[{typefield,_,'OPTIONAL'}|Rest]) -> - class_fields_optional_check1(S,Rest); -class_fields_optional_check1(S,[{fixedtypevaluefield,_,_,_,'OPTIONAL'}|Rest]) -> - class_fields_optional_check1(S,Rest); -class_fields_optional_check1(S,[{fixedtypevaluesetfield,_,_,'OPTIONAL'}|Rest]) -> - class_fields_optional_check1(S,Rest); -class_fields_optional_check1(S,[{objectfield,_,_,_,'OPTIONAL'}|Rest]) -> - class_fields_optional_check1(S,Rest); -class_fields_optional_check1(S,[{objectsetfield,_,_,'OPTIONAL'}|Rest]) -> - class_fields_optional_check1(S,Rest). - -%% ObjectSetFromObjects functionality - -%% The fieldname is a list of field names.They may be objects or -%% object sets. If ObjectSet is an object set the resulting object set -%% is the union of object sets if the last field name is an object -%% set. If the last field is an object the resulting object set is -%% the set of objects in ObjectSet. -object_set_from_objects(S,RefedObjMod,FieldName,ObjectSet) -> - object_set_from_objects(S,RefedObjMod,FieldName,ObjectSet,[]). -object_set_from_objects(S,RefedObjMod,FieldName,ObjectSet,InterSect) - when is_record(ObjectSet,'ObjectSet') -> - #'ObjectSet'{class=Cl,set=Set} = ObjectSet, - {_,ClassDef} = get_referenced_type(S,Cl), - object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,Set,InterSect,[]); -object_set_from_objects(S,RefedObjMod,FieldName,Object,InterSect) - when is_record(Object,'Object') -> - #'Object'{classname=Cl,def=Def}=Object, - object_set_from_objects(S,RefedObjMod,Cl,FieldName,[Def],InterSect,[]). -object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,['EXTENSIONMARK'|Os], - InterSect,Acc) -> - object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,Os,InterSect,%%Acc); - ['EXTENSIONMARK'|Acc]); -object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,[O|Os],InterSect,Acc) -> - case object_set_from_objects2(S,mod_of_obj(RefedObjMod,element(1,O)), - ClassDef,FieldName,element(3,O),InterSect) of - ObjS when is_list(ObjS) -> - object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,Os,InterSect,ObjS++Acc); - Obj -> - object_set_from_objects(S,RefedObjMod,ClassDef,FieldName,Os,InterSect,[Obj|Acc]) - end; -object_set_from_objects(_S,_RefedObjMod,_ClassDef,_FieldName,[],InterSect,Acc) -> - %% For instance may Acc contain objects of same class from - %% different object sets that in fact might be duplicates. - remove_duplicate_objects(osfo_intersection(InterSect,Acc)). -%% Acc. -object_set_from_objects2(S,RefedObjMod,ClassDef,[{valuefieldreference,OName}], - Fields,_InterSect) -> - %% this is an object - case lists:keysearch(OName,1,Fields) of - {value,{_,TDef}} -> - mk_object_set_from_object(S,RefedObjMod,TDef,ClassDef); + %% is parsed as a type. + case Class of + #type{def=#'Externaltypereference'{}=Def} -> + #'Object'{classname=Def,def=ObjectRef}; _ -> - [] % it may be an absent optional field - end; -object_set_from_objects2(S,RefedObjMod,ClassDef,[{typefieldreference,OSName}], - Fields,_InterSect) -> - %% this is an object set - case lists:keysearch(OSName,1,Fields) of - {value,{_,TDef}} -> - case TDef#typedef.typespec of - #'ObjectSet'{class=_NextClName,set=NextSet} ->%% = TDef#typedef.typespec, - NextSet; - #'Object'{def=_ObjDef} -> - mk_object_set_from_object(S,RefedObjMod,TDef,ClassDef) -%% ObjDef - %% error({error,{internal,unexpected_object,TDef}}) - end; - _ -> - [] % it may be an absent optional field - end; -object_set_from_objects2(S,RefedObjMod,_ClassDef,[{valuefieldreference,OName}|Rest], - Fields,InterSect) -> - %% this is an object - case lists:keysearch(OName,1,Fields) of - {value,{_,TDef}} -> - #'Object'{classname=NextClName,def=ODef}=TDef#typedef.typespec, - {_,_,NextFields}=ODef, - {_,NextClass} = get_referenced_type(S,NextClName), - object_set_from_objects2(S,RefedObjMod,NextClass,Rest,NextFields,InterSect); - _ -> - [] - end; -object_set_from_objects2(S,RefedObjMod,_ClassDef,[{typefieldreference,OSName}|Rest], - Fields,InterSect) -> - %% this is an object set - Next = {NextClName,NextSet} = - case lists:keysearch(OSName,1,Fields) of - {value,{_,TDef}} when is_record(TDef,'ObjectSet') -> - #'ObjectSet'{class=NextClN,set=NextS} = TDef, - {NextClN,NextS}; - {value,{_,#typedef{typespec=OS}}} -> - %% objectsets in defined syntax will come here as typedef{} - %% #'ObjectSet'{class=NextClN,set=NextS} = OS, - case OS of - #'ObjectSet'{class=NextClN,set=NextS} -> - {NextClN,NextS}; - #'Object'{classname=NextClN,def=NextDef} -> - {NextClN,[NextDef]} - end; - _ -> - {[],[]} - end, - case Next of - {[],[]} -> - []; - _ -> - {_,NextClass} = get_referenced_type(S,NextClName), - object_set_from_objects(S,RefedObjMod,NextClass,Rest,NextSet,InterSect,[]) - end. - -mk_object_set_from_object(S,RefedObjMod,TDef,Class) -> - #'Object'{classname=_NextClName,def=ODef} = TDef#typedef.typespec, - {_,_,NextFields}=ODef, - - UniqueFieldName = - case (catch get_unique_fieldname(S,Class)) of - {error,'__undefined_',_} -> {unique,undefined}; - {asn1,Msg,_} -> error({class,Msg,S}); - {'EXIT',Msg} -> error({class,{internal_error,Msg},S}); - {Other,_} -> Other - end, - VDef = get_unique_value(S,NextFields,UniqueFieldName), - %% XXXXXXXXXXX - case VDef of - [] -> - ['EXTENSIONMARK']; - _ -> - {{RefedObjMod,get_datastr_name(TDef)},VDef,NextFields} - end. - - -mod_of_obj(_RefedObjMod,{NewMod,ObjName}) - when is_atom(NewMod),is_atom(ObjName) -> - NewMod; -mod_of_obj(RefedObjMod,_) -> - RefedObjMod. - - -merge_sets(Root,{'SingleValue',Ext}) -> - merge_sets(Root,Ext); -merge_sets(Root,Ext) when is_list(Root),is_list(Ext) -> - Root ++ Ext; -merge_sets(Root,Ext) when is_list(Ext) -> - [Root|Ext]; -merge_sets(Root,Ext) when is_list(Root) -> - Root++[Ext]; -merge_sets(Root,Ext) -> - [Root]++[Ext]. - -reduce_objectset(ObjectSet,Exclusion) -> - case Exclusion of - {'SingleValue',#'Externalvaluereference'{value=Name}} -> - case lists:keysearch(Name,1,ObjectSet) of - {value,El} -> - lists:subtract(ObjectSet,[El]); - _ -> - ObjectSet - end + asn1_error(S, illegal_object) end. - -%% Checks a list of objects or object sets and returns a list of selected -%% information for the code generation. -check_object_list(S,ClassRef,ObjectList) -> - check_object_list(S,ClassRef,ObjectList,[]). - -check_object_list(S,ClassRef,[ObjOrSet|Objs],Acc) -> - ?dbg("check_object_list: ~p~n",[ObjOrSet]), - case ObjOrSet of - ObjDef when is_tuple(ObjDef),(element(1,ObjDef)==object) -> - Def = - check_object(S,#typedef{typespec=ObjDef}, -% #'Object'{classname={objectclassname,ClassRef}, - #'Object'{classname=ClassRef, - def=ObjDef}), - check_object_list(S,ClassRef,Objs,[{{no_mod,no_name},Def#'Object'.def}|Acc]); - {'SingleValue',Ref = #'Externalvaluereference'{}} -> - ?dbg("{SingleValue,Externalvaluereference}~n",[]), - {RefedMod,ObjName, - #'Object'{def=Def}} = check_referenced_object(S,Ref), - check_object_list(S,ClassRef,Objs,[{{RefedMod,ObjName},Def}|Acc]); - ObjRef when is_record(ObjRef,'Externalvaluereference') -> - ?dbg("Externalvaluereference~n",[]), - {RefedMod,ObjName, - #'Object'{def=Def}} = check_referenced_object(S,ObjRef), - check_object_list(S,ClassRef,Objs,[{{RefedMod,ObjName},Def}|Acc]); - {'ValueFromObject',{_,Object},FieldName} -> - {_,Def} = get_referenced_type(S,Object), - TypeDef = get_fieldname_element(S,Def,FieldName), - (TypeDef#typedef.typespec)#'ObjectSet'.set; - ObjSet when is_record(ObjSet,type) -> - ObjSetDef = - case ObjSet#type.def of - Ref when is_record(Ref,'Externaltypereference') -> - {_,D} = get_referenced_type(S,ObjSet#type.def), - D; - Other -> - throw({asn1_error,{'unknown objecset',Other,S}}) - end, - #'ObjectSet'{set=ObjectsInSet} = - check_object(S,ObjSetDef,ObjSetDef#typedef.typespec), - AccList = transform_set_to_object_list(ObjectsInSet,[]), - check_object_list(S,ClassRef,Objs,AccList++Acc); - union -> - check_object_list(S,ClassRef,Objs,Acc); - {pos,{objectset,_,DefinedObjectSet},Params} -> - OSDef = #type{def={pt,DefinedObjectSet,Params}}, - #'ObjectSet'{set=Set} = - check_object(S,ObjOrSet,#'ObjectSet'{class=ClassRef, - set=OSDef}), - check_object_list(S,ClassRef,Objs,Set ++ Acc); - {pv,{simpledefinedvalue,DefinedObject},Params} -> - Args = [match_parameters(S,Param,S#state.parameters)|| - Param<-Params], - #'Object'{def=Def} = - check_object(S,ObjOrSet, - #'Object'{classname=ClassRef , - def={po,{object,DefinedObject}, - Args}}), - check_object_list(S,ClassRef,Objs,[{{no_mod,no_name},Def}|Acc]); - {'ObjectSetFromObjects',Os,FieldName} when is_tuple(Os) -> - NewSet = - check_ObjectSetFromObjects(S, element(tuple_size(Os), Os), - FieldName,[]), - check_object_list(S,ClassRef,Objs,NewSet++Acc); - {{'ObjectSetFromObjects',Os,FieldName},InterSection} - when is_tuple(Os) -> - NewSet = - check_ObjectSetFromObjects(S, element(tuple_size(Os), Os), - FieldName,InterSection), - check_object_list(S,ClassRef,Objs,NewSet++Acc); - Other -> - exit({error,{'unknown object',Other},S}) - end; -%% Finally reverse the accumulated list and if there are any extension -%% marks in the object set put one indicator of that in the end of the -%% list. -check_object_list(_,_,[],Acc) -> - lists:reverse(Acc). check_referenced_object(S,ObjRef) when is_record(ObjRef,'Externalvaluereference')-> @@ -1230,180 +1003,134 @@ check_referenced_object(S,ObjRef) check_object(update_state(S,RefedMod),ObjectDef,ObjectDef#typedef.typespec)} end. -check_ObjectSetFromObjects(S,ObjName,FieldName,InterSection) -> - {RefedMod,TDef} = get_referenced_type(S,ObjName), - ObjOrSet = check_object(update_state(S,RefedMod),TDef,TDef#typedef.typespec), - InterSec = prepare_intersection(S,InterSection), - _NewSet = object_set_from_objects(S,RefedMod,FieldName,ObjOrSet,InterSec). +check_ObjectSetFromObjects(S, ObjName, Fields) -> + {_,Obj0} = get_referenced_type(S, ObjName), + case check_object(S, Obj0, Obj0#typedef.typespec) of + #'ObjectSet'{}=Obj1 -> + get_fieldname_set(S, Obj1, Fields); + #'Object'{classname=Class, + def={object,_,ObjFs}} -> + ObjSet = #'ObjectSet'{class=Class, + set=[{'_','_',ObjFs}]}, + get_fieldname_set(S, ObjSet, Fields) + end. -prepare_intersection(_S,[]) -> - []; -prepare_intersection(S,{'EXCEPT',ObjRef}) -> - except_names(S,ObjRef); -prepare_intersection(_S,T) -> - exit({error,{internal_error,not_implemented,object_set_from_objects,T}}). -except_names(_S,{'SingleValue',#'Externalvaluereference'{value=ObjName}}) -> - [{except,ObjName}]; -except_names(_,T) -> - exit({error,{internal_error,not_implemented,object_set_from_objects,T}}). - -osfo_intersection(InterSect,ObjList) -> - Res = [X|| X = {{_,N},_,_} <- ObjList, - lists:member({except,N},InterSect) == false], - case lists:member('EXTENSIONMARK',ObjList) of - true -> - Res ++ ['EXTENSIONMARK']; +%% get_type_from_object(State, ObjectOrObjectSet, [{RefType,FieldName}]) -> +%% Type +get_type_from_object(S, Object, FieldNames) + when is_record(Object, 'Externaltypereference'); + is_record(Object, 'Externalvaluereference') -> + extract_field(S, Object, FieldNames). + +%% get_value_from_object(State, ObjectOrObjectSet, [{RefType,FieldName}]) -> +%% UntaggedValue +get_value_from_object(S, Def, FieldNames) -> + case extract_field(S, Def, FieldNames) of + #valuedef{value=Val} -> + Val; + {valueset,_}=Val -> + Val; _ -> - Res + asn1_error(S, illegal_value) end. -%% get_fieldname_element/3 -%% gets the type/value/object/... of the referenced element in FieldName -%% FieldName is a list and may have more than one element. -%% Each element in FieldName can be either {typefieldreference,AnyFieldName} -%% or {valuefieldreference,AnyFieldName} -%% Def is the def of the first object referenced by FieldName -get_fieldname_element(S,Def,[{_RefType,FieldName}]) when is_record(Def,typedef) -> - {_,_,ObjComps} = (Def#typedef.typespec)#'Object'.def, - check_fieldname_element(S,lists:keysearch(FieldName,1,ObjComps)); -get_fieldname_element(S,Def,[{_RefType,FieldName}|Rest]) - when is_record(Def,typedef) -> - %% As FieldName is followd by other FieldNames it has to be an - %% object or objectset. - {_,_,ObjComps} = (Def#typedef.typespec)#'Object'.def, - NewDef = check_fieldname_element(S,lists:keysearch(FieldName,1,ObjComps)), - ObjDef = fun(#'Object'{def=D}) -> D; - (#'ObjectSet'{set=Set}) -> Set - end - (NewDef), - case ObjDef of - L when is_list(L) -> - [get_fieldname_element(S,X,Rest) || X <- L]; - _ -> - get_fieldname_element(S,ObjDef,Rest) +%% extract_field(State, ObjectOrObjectSet, [{RefType,FieldName}]) +%% RefType = typefieldreference | valuefieldreference +%% +%% Get the type, value, object, object set, or value set from the +%% referenced object or object set. The list of field name tuples +%% may have more than one element. All field names but the last +%% refers to either an object or object set. + +extract_field(S, Def0, FieldNames) -> + {_,Def1} = get_referenced_type(S, Def0), + Def2 = check_object(S, Def1, Def1#typedef.typespec), + Def = Def1#typedef{typespec=Def2}, + get_fieldname_element(S, Def, FieldNames). + +%% get_fieldname_element(State, Element, [{RefType,FieldName}] +%% RefType = typefieldreference | valuefieldreference +%% +%% Get the type, value, object, object set, or value set from the referenced +%% element. The list of field name tuples may have more than one element. +%% All field names but the last refers to either an object or object set. + +get_fieldname_element(S, Object0, [{_RefType,FieldName}|Fields]) -> + Object = case Object0 of + #typedef{typespec=#'Object'{def=Obj}} -> Obj; + {_,_,_}=Obj -> Obj + end, + case check_fieldname_element(S, FieldName, Object) of + #'Object'{def=D} when Fields =/= [] -> + get_fieldname_element(S, D, Fields); + #'ObjectSet'{}=Set -> + get_fieldname_set(S, Set, Fields); + Result when Fields =:= [] -> + Result end; -get_fieldname_element(S,{object,_,Fields},[{_RefType,FieldName}|Rest]) -> - NewDef = check_fieldname_element(S,lists:keysearch(FieldName,1,Fields)), - get_fieldname_element(S,NewDef,Rest); -get_fieldname_element(_S,Def,[]) -> - Def; -get_fieldname_element(_S,Def,[{_RefType,_FieldName}|_RestFName]) - when is_record(Def,typedef) -> - ok. +get_fieldname_element(_S, Def, []) -> + Def. -check_fieldname_element(S,{value,{_,Def}}) -> - check_fieldname_element(S,Def); -check_fieldname_element(S,TDef) when is_record(TDef,typedef) -> - check_type(S,TDef,TDef#typedef.typespec); -check_fieldname_element(S,VDef) when is_record(VDef,valuedef) -> - check_value(S,VDef); -check_fieldname_element(S,Eref) - when is_record(Eref,'Externaltypereference'); - is_record(Eref,'Externalvaluereference') -> - {_,TDef}=get_referenced_type(S,Eref), - check_fieldname_element(S,TDef); -check_fieldname_element(S,Other) -> - throw({error,{assigned_object_error,"not_assigned_object",Other,S}}). - -transform_set_to_object_list([{Name,_UVal,Fields}|Objs],Acc) -> - transform_set_to_object_list(Objs,[{Name,{object,generatesyntax,Fields}}|Acc]); -transform_set_to_object_list(['EXTENSIONMARK'|Objs],Acc) -> -%% transform_set_to_object_list(Objs,['EXTENSIONMARK'|Acc]); - transform_set_to_object_list(Objs,Acc); -transform_set_to_object_list([],Acc) -> - Acc. +get_fieldname_set(S, #'ObjectSet'{set=Set0}, T) -> + get_fieldname_set_1(S, Set0, T, []). -get_unique_valuelist(_S,ObjSet,{unique,undefined}) -> % no unique field in object - lists:map(fun({N,{_,_,F}})->{N,no_unique_value,F}; - (V={_,_,_}) ->V; - ({A,B}) -> {A,no_unique_value,B} - end, ObjSet); -get_unique_valuelist(S,ObjSet,{UFN,Opt}) -> - get_unique_vlist(S,ObjSet,UFN,Opt,[]). - - -get_unique_vlist(_S,[],_,_,[]) -> - ['EXTENSIONMARK']; -get_unique_vlist(S,[],_,Opt,Acc) -> - case catch check_uniqueness(remove_duplicate_objects(Acc)) of - {asn1_error,_} when Opt =/= 'OPTIONAL' -> - error({'ObjectSet',"not unique objects in object set",S}); - {asn1_error,_} -> - lists:reverse(Acc); - _ -> - lists:reverse(Acc) +get_fieldname_set_1(S, ['EXTENSIONMARK'=Ext|T], Fields, Acc) -> + get_fieldname_set_1(S, T, Fields, [Ext|Acc]); +get_fieldname_set_1(S, [H|T], Fields, Acc) -> + try get_fieldname_element(S, H, Fields) of + L when is_list(L) -> + get_fieldname_set_1(S, T, Fields, L++Acc); + {valueset,L} -> + get_fieldname_set_1(S, T, Fields, L++Acc); + Other -> + get_fieldname_set_1(S, T, Fields, [Other|Acc]) + catch + throw:{error,_} -> + get_fieldname_set_1(S, T, Fields, Acc) end; -get_unique_vlist(S,['EXTENSIONMARK'|Rest],UniqueFieldName,Opt,Acc) -> - get_unique_vlist(S,Rest,UniqueFieldName,Opt,Acc); -get_unique_vlist(S,[{ObjName,Obj}|Rest],UniqueFieldName,Opt,Acc) -> - {_,_,Fields} = Obj, - NewObjInf = - case get_unique_value(S,Fields,UniqueFieldName) of - #valuedef{value=V} -> [{ObjName,V,Fields}]; - [] -> []; % maybe the object only was a reference to an - % empty object set. - no_unique_value -> [{ObjName,no_unique_value,Fields}] - end, - get_unique_vlist(S,Rest,UniqueFieldName,Opt,NewObjInf++Acc); - -get_unique_vlist(S,[V={_,_,_}|Rest],UniqueFieldName,Opt,Acc) -> - get_unique_vlist(S,Rest,UniqueFieldName,Opt,[V|Acc]). - -get_unique_value(S,Fields,UniqueFieldName) -> - Module = S#state.mname, - case lists:keysearch(UniqueFieldName,1,Fields) of - {value,Field} -> - case element(2,Field) of - VDef when is_record(VDef,valuedef) -> - VDef; - {'ValueFromObject',Object,Name} -> - case Object of - {object,Ext} when is_record(Ext,'Externaltypereference') -> - OtherModule = Ext#'Externaltypereference'.module, - ExtObjName = Ext#'Externaltypereference'.type, - ObjDef = asn1_db:dbget(OtherModule,ExtObjName), - ObjSpec = ObjDef#typedef.typespec, - get_unique_value(OtherModule,element(3,ObjSpec),Name); - {object,{_,_,ObjName}} -> - ObjDef = asn1_db:dbget(Module,ObjName), - ObjSpec = ObjDef#typedef.typespec, - get_unique_value(Module,element(3,ObjSpec),Name); - {po,Object,_Params} -> - exit({error,{'parameterized object not implemented yet', - Object},S}) - end; - Value when is_atom(Value);is_number(Value) -> - #valuedef{value=Value,module=Module}; - {'CHOICE',{C,Value}} when is_atom(C) -> - %% #valuedef{value=normalize_value(S,element(3,Field),VDef,[])} - case Value of - Scalar when is_atom(Scalar);is_number(Scalar) -> - #valuedef{value=Value,module=Module}; - Eref = #'Externalvaluereference'{} -> - element(2,get_referenced_type(S,Eref)) - end - end; - false -> - case Fields of - [{_,#typedef{typespec=#'ObjectSet'{set=['EXTENSIONMARK']}}}] -> - []; - _ -> - no_unique_value - end +get_fieldname_set_1(_, [], _Fields, Acc) -> + case Acc of + [#valuedef{}|_] -> + {valueset,Acc}; + _ -> + Acc end. -check_uniqueness(NameValueList) -> - check_uniqueness1(lists:keysort(2,NameValueList)). - -check_uniqueness1([]) -> - true; -check_uniqueness1([_]) -> - true; -check_uniqueness1([{_,N,_},{_,N,_}|_Rest]) -> - throw({asn1_error,{'objects in set must have unique values in UNIQUE fields',N}}); -check_uniqueness1([_|Rest]) -> - check_uniqueness1(Rest). +check_fieldname_element(S, Name, {_,_,Fields}) -> + case lists:keyfind(Name, 1, Fields) of + {Name,Def} -> + check_fieldname_element_1(S, Def); + false -> + asn1_error(S, {undefined_field,Name}) + end. +check_fieldname_element_1(S, #typedef{typespec=Ts}=TDef) -> + case Ts of + #'Object'{} -> + check_object(S, TDef, Ts); + _ -> + check_type(S, TDef, Ts) + end; +check_fieldname_element_1(S, #valuedef{}=VDef) -> + try + check_value(S, VDef) + catch + throw:{asn1_class, _} -> + #valuedef{checked=C,pos=Pos,name=N,type=Type, + value=Def} = VDef, + ClassName = Type#type.def, + NewSpec = #'Object'{classname=ClassName,def=Def}, + NewDef = #typedef{checked=C,pos=Pos,name=N,typespec=NewSpec}, + check_fieldname_element_1(S, NewDef) + end; +check_fieldname_element_1(_S, {value_tag,Val}) -> + #valuedef{value=Val}; +check_fieldname_element_1(S, Eref) + when is_record(Eref, 'Externaltypereference'); + is_record(Eref, 'Externalvaluereference') -> + {_,TDef} = get_referenced_type(S, Eref), + check_fieldname_element_1(S, TDef). + %% instantiate_po/4 %% ClassDef is the class of Object, %% Object is the Parameterized object, which is referenced, @@ -1412,8 +1139,7 @@ check_uniqueness1([_|Rest]) -> instantiate_po(S=#state{parameters=_OldArgs},_ClassDef,Object,ArgsList) when is_record(Object,pobjectdef) -> FormalParams = get_pt_args(Object), MatchedArgs = match_args(S,FormalParams,ArgsList,[]), -% NewS = S#state{type=Object,parameters=MatchedArgs++OldArgs}, - NewS = S#state{type=Object,parameters=MatchedArgs}, + NewS = S#state{parameters=MatchedArgs}, check_object(NewS,Object,#'Object'{classname=Object#pobjectdef.class, def=Object#pobjectdef.def}). @@ -1423,20 +1149,14 @@ instantiate_po(S=#state{parameters=_OldArgs},_ClassDef,Object,ArgsList) when is_ %% on the right side of the assignment, %% ArgsList is the list of actual parameters, i.e. real objects instantiate_pos(S=#state{parameters=_OldArgs},ClassRef,ObjectSetDef,ArgsList) -> -% ClassName = ClassDef#classdef.name, FormalParams = get_pt_args(ObjectSetDef), OSet = case get_pt_spec(ObjectSetDef) of - {valueset,Set} -> -% #'ObjectSet'{class=name2Extref(S#state.mname, -% ClassName),set=Set}; - #'ObjectSet'{class=ClassRef,set=Set}; - Set when is_record(Set,'ObjectSet') -> Set; - _ -> - error({type,"parameterized object set failure",S}) + {valueset,Set} -> #'ObjectSet'{class=ClassRef,set=Set}; + Set when is_record(Set,'ObjectSet') -> Set; + _ -> asn1_error(S, invalid_objectset) end, MatchedArgs = match_args(S,FormalParams,ArgsList,[]), -% NewS = S#state{type=ObjectSetDef,parameters=MatchedArgs++OldArgs}, - NewS = S#state{type=ObjectSetDef,parameters=MatchedArgs}, + NewS = S#state{parameters=MatchedArgs}, check_object(NewS,ObjectSetDef,OSet). @@ -1470,7 +1190,7 @@ gen_incl1(S,Fields,[C|CFields]) -> check_object(S,TDef,TDef#typedef.typespec); ERef -> {_,T} = get_referenced_type(S,ERef), - check_object(S,T,object_to_check(T)) + check_object(S, T, object_to_check(S, T)) end, case gen_incl(S,ObjDef#'Object'.def, ClassFields) of @@ -1487,7 +1207,7 @@ gen_incl1(S,Fields,[C|CFields]) -> end. get_objclass_fields(S,Eref=#'Externaltypereference'{}) -> - {_,ClassDef} = get_referenced_type(S,Eref), + {_,ClassDef} = get_referenced_type(S,Eref, true), get_objclass_fields(S,ClassDef); get_objclass_fields(S,CD=#classdef{typespec=#'Externaltypereference'{}}) -> get_objclass_fields(S,CD#classdef.typespec); @@ -1503,10 +1223,10 @@ gen_incl_set(S,Fields,#typedef{typespec=#type{def=Eref}}) {_,CDef} = get_referenced_type(S,Eref), gen_incl_set(S,Fields,CDef); gen_incl_set(S,Fields,ClassDef) -> - case catch get_unique_fieldname(S,ClassDef) of - Tuple when tuple_size(Tuple) =:= 3 -> + case get_unique_fieldname(S, ClassDef) of + no_unique -> false; - _ -> + {_, _} -> gen_incl_set1(S,Fields, (ClassDef#classdef.typespec)#objectclass.fields) end. @@ -1531,450 +1251,393 @@ gen_incl_set1(S,[Object|Rest],CFields)-> gen_incl_set1(S,Rest,CFields) end. -check_objectdefn(S,Def,CDef) when is_record(CDef,classdef) -> - WithSyntax = (CDef#classdef.typespec)#objectclass.syntax, - ClassFields = (CDef#classdef.typespec)#objectclass.fields, + +%%% +%%% Check an object definition. +%%% + +check_objectdefn(S, Def, #classdef{typespec=ObjClass}) -> + #objectclass{syntax=Syntax0,fields=ClassFields} = ObjClass, case Def of {object,defaultsyntax,Fields} -> - check_defaultfields(S,Fields,ClassFields); + check_defaultfields(S, Fields, ClassFields); {object,definedsyntax,Fields} -> - {_,WSSpec} = WithSyntax, - NewFields = - case catch( convert_definedsyntax(S,Fields,WSSpec, - ClassFields,[])) of - {asn1,{_ErrorType,ObjToken,ClassToken}} -> - throw({asn1,{'match error in object',ObjToken, - 'found in object',ClassToken,'found in class'}}); - Err={asn1,_} -> throw(Err); - Err={'EXIT',_} -> throw(Err); - DefaultFields when is_list(DefaultFields) -> - DefaultFields - end, - {object,defaultsyntax,NewFields}; - {object,_ObjectId} -> % This is a DefinedObject - fixa; - Other -> - exit({error,{objectdefn,Other}}) + Syntax = get_syntax(S, Syntax0, ClassFields), + case match_syntax(S, Syntax, Fields, []) of + {match,NewFields,[]} -> + {object,defaultsyntax,NewFields}; + {match,_,[What|_]} -> + syntax_match_error(S, What); + {nomatch,[What|_]} -> + syntax_match_error(S, What); + {nomatch,[]} -> + syntax_match_error(S) + end end. -check_defaultfields(S,Fields,ClassFields) -> - check_defaultfields(S,Fields,ClassFields,[]). -check_defaultfields(_S,[],_ClassFields,Acc) -> - {object,defaultsyntax,lists:reverse(Acc)}; -check_defaultfields(S,[{FName,Spec}|Fields],ClassFields,Acc) -> - case lists:keysearch(FName,2,ClassFields) of - {value,CField} -> - {NewField,RestFields} = - convert_to_defaultfield(S,FName,[Spec|Fields],CField), - check_defaultfields(S,RestFields,ClassFields,[NewField|Acc]); - _ -> - throw({error,{asn1,{'unvalid field in object',FName}}}) - end. -%% {object,defaultsyntax,Fields}. +%%% +%%% Pre-process the simplified syntax so that it can be more +%%% easily matched. +%%% -convert_definedsyntax(_S,[],[],_ClassFields,Acc) -> - lists:reverse(Acc); -convert_definedsyntax(S,Fields,WithSyntax,ClassFields,Acc) -> - {MatchedField,RestFields,RestWS} = - match_field(S,Fields,WithSyntax,ClassFields), - if - is_list(MatchedField) -> - convert_definedsyntax(S,RestFields,RestWS,ClassFields, - lists:append(MatchedField,Acc)); +get_syntax(_, {preprocessed_syntax,Syntax}, _) -> + Syntax; +get_syntax(S, {'WITH SYNTAX',Syntax}, ClassFields) -> + preprocess_syntax(S, Syntax, ClassFields). + +preprocess_syntax(S, Syntax0, Cs) -> + Syntax = preprocess_syntax_1(S, Syntax0, Cs, true), + Present0 = preprocess_get_fields(Syntax, []), + Present1 = lists:sort(Present0), + Present = ordsets:from_list(Present1), + case Present =:= Present1 of + false -> + Dupl = Present1 -- Present, + asn1_error(S, {syntax_duplicated_fields,Dupl}); true -> - convert_definedsyntax(S,RestFields,RestWS,ClassFields, - [MatchedField|Acc]) + ok + end, + Mandatory0 = get_mandatory_class_fields(Cs), + Mandatory = ordsets:from_list(Mandatory0), + case ordsets:subtract(Mandatory, Present) of + [] -> + Syntax; + [_|_]=Missing -> + asn1_error(S, {syntax_missing_mandatory_fields,Missing}) end. -match_field(S,Fields,WithSyntax,ClassFields) -> - match_field(S,Fields,WithSyntax,ClassFields,[]). +preprocess_syntax_1(S, [H|T], Cs, Mandatory) when is_list(H) -> + [{optional,preprocess_syntax_1(S, H, Cs, false)}| + preprocess_syntax_1(S, T, Cs, Mandatory)]; +preprocess_syntax_1(S, [{valuefieldreference,Name}|T], Cs, Mandatory) -> + F = preprocess_check_field(S, Name, Cs, Mandatory), + [F|preprocess_syntax_1(S, T, Cs, Mandatory)]; +preprocess_syntax_1(S, [{typefieldreference,Name}|T], Cs, Mandatory) -> + F = preprocess_check_field(S, Name, Cs, Mandatory), + [F|preprocess_syntax_1(S, T, Cs, Mandatory)]; +preprocess_syntax_1(S,[{Token,_}|T], Cs, Mandatory) when is_atom(Token) -> + [{token,Token}|preprocess_syntax_1(S, T, Cs, Mandatory)]; +preprocess_syntax_1(S, [Token|T], Cs, Mandatory) when is_atom(Token) -> + [{token,Token}|preprocess_syntax_1(S, T, Cs, Mandatory)]; +preprocess_syntax_1(_, [], _, _) -> []. + +preprocess_check_field(S, Name, Cs, Mandatory) -> + case lists:keyfind(Name, 2, Cs) of + Tuple when is_tuple(Tuple) -> + case not Mandatory andalso is_mandatory_class_field(Tuple) of + true -> + asn1_error(S, {syntax_mandatory_in_optional_group,Name}); + false -> + {field,Tuple} + end; + false -> + asn1_error(S, {syntax_undefined_field,Name}) + end. -match_field(S,Fields,[W|Ws],ClassFields,Acc) when is_list(W) -> - case catch(match_optional_field(S,Fields,W,ClassFields,[])) of - {'EXIT',_} -> - match_field(Fields,Ws,ClassFields,Acc); %% add S -%% {[Result],RestFields} -> -%% {Result,RestFields,Ws}; - {Result,RestFields} when is_list(Result) -> - {Result,RestFields,Ws}; +preprocess_get_fields([{field,F}|T], Acc) -> + Name = element(2, F), + preprocess_get_fields(T, [Name|Acc]); +preprocess_get_fields([{optional,L}|T], Acc) -> + preprocess_get_fields(T, preprocess_get_fields(L, Acc)); +preprocess_get_fields([_|T], Acc) -> + preprocess_get_fields(T, Acc); +preprocess_get_fields([], Acc) -> + Acc. + +%%% +%%% Match the actual fields in the object definition to +%%% the pre-processed simplified syntax. +%%% + +match_syntax(S, [{token,Token}|T], [A|As]=Args, Acc) -> + case A of + {word_or_setting,_,#'Externaltypereference'{type=Token}} -> + match_syntax(S, T, As, Acc); + {Token,Line} when is_integer(Line) -> + match_syntax(S, T, As, Acc); _ -> - match_field(S,Fields,Ws,ClassFields,Acc) + {nomatch,Args} end; -match_field(S,Fields,WithSyntax,ClassFields,_Acc) -> - match_mandatory_field(S,Fields,WithSyntax,ClassFields,[]). - -match_optional_field(_S,RestFields,[],_,Ret) -> - {Ret,RestFields}; -%% An additional optional field within an optional field -match_optional_field(S,Fields,[W|Ws],ClassFields,Ret) when is_list(W) -> - case catch match_optional_field(S,Fields,W,ClassFields,[]) of - {'EXIT',_} when length(Ws) > 0 -> - match_optional_field(S,Fields,Ws,ClassFields,Ret); - {'EXIT',_} -> - {Ret,Fields}; - {asn1,{optional_matcherror,_,_}} when length(Ws) > 0 -> - match_optional_field(S,Fields,Ws,ClassFields,Ret); - {asn1,{optional_matcherror,_,_}} -> - {Ret,Fields}; - {OptionalField,RestFields} -> - match_optional_field(S,RestFields,Ws,ClassFields, - lists:append(OptionalField,Ret)) +match_syntax(S, [{field,Field}|T]=Fs, [A|As0]=Args0, Acc) -> + try match_syntax_type(S, Field, A) of + {match,Match} -> + match_syntax(S, T, As0, lists:reverse(Match)++Acc); + {params,_Name,#ptypedef{args=Params}=P,Ref} -> + {Args,As} = lists:split(length(Params), As0), + Val = match_syntax_params(S, P, Ref, Args), + match_syntax(S, Fs, [Val|As], Acc) + catch + _:_ -> + {nomatch,Args0} end; -%% identify and skip word -match_optional_field(S,[{_,_,#'Externaltypereference'{type=WorS}}|Rest], - [WorS|Ws],ClassFields,Ret) -> - match_optional_field(S,Rest,Ws,ClassFields,Ret); -match_optional_field(S,[],_,ClassFields,Ret) -> - match_optional_field(S,[],[],ClassFields,Ret); -%% identify and skip comma -match_optional_field(S,[{WorS,_}|Rest],[{WorS,_}|Ws],ClassFields,Ret) -> - match_optional_field(S,Rest,Ws,ClassFields,Ret); -%% am optional setting inside another optional setting may be "double-listed" -match_optional_field(S,[Setting],DefinedSyntax,ClassFields,Ret) - when is_list(Setting) -> - match_optional_field(S,Setting,DefinedSyntax,ClassFields,Ret); -%% identify and save field data -match_optional_field(S,[Setting|Rest],[{_,W}|Ws],ClassFields,Ret) -> - ?dbg("matching optional field setting: ~p with user friendly syntax: ~p~n",[Setting,W]), - WorS = - case Setting of - Type when is_record(Type,type) -> Type; - {'ValueFromObject',_,_} -> Setting; - {object,_,_} -> Setting; - {_,_,WordOrSetting} -> WordOrSetting; - Other -> Other - end, - case lists:keysearch(W,2,ClassFields) of - false -> - throw({asn1,{optional_matcherror,WorS,W}}); - {value,CField} -> - {NewField,RestFields} = - convert_to_defaultfield(S,W,[WorS|Rest],CField), - match_optional_field(S,RestFields,Ws,ClassFields,[NewField|Ret]) +match_syntax(S, [{optional,L}|T], As0, Acc) -> + case match_syntax(S, L, As0, []) of + {match,Match,As} -> + match_syntax(S, T, As, lists:reverse(Match)++Acc); + {nomatch,As0} -> + match_syntax(S, T, As0, Acc); + {nomatch,_}=NoMatch -> + NoMatch end; -match_optional_field(_S,[WorS|_Rest],[W|_Ws],_ClassFields,_Ret) -> - throw({asn1,{optional_matcherror,WorS,W}}). - -match_mandatory_field(_S,[],[],_,[Acc]) -> - {Acc,[],[]}; -match_mandatory_field(_S,[],[],_,Acc) -> - {Acc,[],[]}; -match_mandatory_field(S,[],[H|T],CF,Acc) when is_list(H) -> - match_mandatory_field(S,[],T,CF,Acc); -match_mandatory_field(_S,[],WithSyntax,_,_Acc) -> - throw({asn1,{mandatory_matcherror,[],WithSyntax}}); -%match_mandatory_field(_S,Fields,WithSyntax=[W|_Ws],_ClassFields,[Acc]) when is_list(W) -> -match_mandatory_field(_S,Fields,WithSyntax=[W|_Ws],_ClassFields,Acc) when is_list(W), length(Acc) >= 1 -> - {Acc,Fields,WithSyntax}; -%% identify and skip word -%%match_mandatory_field(S,[{_,_,WorS}|Rest], -match_mandatory_field(S,[{_,_,#'Externaltypereference'{type=WorS}}|Rest], - [WorS|Ws],ClassFields,Acc) -> - match_mandatory_field(S,Rest,Ws,ClassFields,Acc); -%% identify and skip comma -match_mandatory_field(S,[{WorS,_}|Rest],[{WorS,_}|Ws],ClassFields,Ret) -> - match_mandatory_field(S,Rest,Ws,ClassFields,Ret); -%% identify and save field data -match_mandatory_field(S,[Setting|Rest],[{_,W}|Ws],ClassFields,Acc) -> - ?dbg("matching field setting: ~p with user friendly syntax: ~p~n",[Setting,W]), - WorS = - case Setting of - {object,_,_} -> Setting; - {_,_,WordOrSetting} -> WordOrSetting; - Type when is_record(Type,type) -> Type; - Other -> Other - end, - case lists:keysearch(W,2,ClassFields) of - false -> - throw({asn1,{mandatory_matcherror,WorS,W}}); - {value,CField} -> - {NewField,RestFields} = - convert_to_defaultfield(S,W,[WorS|Rest],CField), - match_mandatory_field(S,RestFields,Ws,ClassFields,[NewField|Acc]) +match_syntax(_, [_|_], [], _Acc) -> + {nomatch,[]}; +match_syntax(_, [], As, Acc) -> + {match,Acc,As}. + +match_syntax_type(S, Type, {value_tag,Val}) -> + match_syntax_type(S, Type, Val); +match_syntax_type(S, Type, {setting,_,Val}) -> + match_syntax_type(S, Type, Val); +match_syntax_type(S, Type, {word_or_setting,_,Val}) -> + match_syntax_type(S, Type, Val); +match_syntax_type(_S, _Type, {Atom,Line}) + when is_atom(Atom), is_integer(Line) -> + throw(nomatch); +match_syntax_type(S, {fixedtypevaluefield,Name,#type{}=T,_,_}=Type, + #'Externalvaluereference'{}=ValRef0) -> + try get_referenced_type(S, ValRef0) of + {M,#valuedef{}=ValDef} -> + match_syntax_type(update_state(S, M), Type, ValDef) + catch + throw:{error,_} -> + ValRef = #valuedef{name=Name, + type=T, + value=ValRef0, + module=S#state.mname}, + match_syntax_type(S, Type, ValRef) end; - -match_mandatory_field(_S,[WorS|_Rest],[W|_Ws],_ClassFields,_Acc) -> - throw({asn1,{mandatory_matcherror,WorS,W}}). - -%% Converts a field of an object from defined syntax to default syntax -%% A field may be a type, a fixed type value, an object, an objectset, -%% -convert_to_defaultfield(S,ObjFieldName,[OFS|RestOFS],CField)-> - ?dbg("convert field: ~p of type: ~p~n",[ObjFieldName,element(1,CField)]), - CurrMod = S#state.mname, - Strip_value_tag = - fun({value_tag,ValueSetting}) -> ValueSetting; - (VS) -> VS - end, - ObjFieldSetting = Strip_value_tag(OFS), - RestSettings = [Strip_value_tag(X)||X <- RestOFS], - case element(1,CField) of - typefield -> - TypeDef= - case ObjFieldSetting of - TypeRec when is_record(TypeRec,type) -> TypeRec#type.def; - TDef when is_record(TDef,typedef) -> - TDef#typedef{checked=true, - typespec=check_type(S,TDef, - TDef#typedef.typespec)}; - _ -> ObjFieldSetting - end, - {Type,SettingsLeft} = - if - is_record(TypeDef,typedef) -> {TypeDef,RestSettings}; - is_record(TypeDef,'ObjectClassFieldType') -> - T=check_type(S,#typedef{typespec=ObjFieldSetting},ObjFieldSetting), - {oCFT_def(S,T),RestSettings}; -% #typedef{checked=true,name=Name,typespec=IT}; - is_tuple(TypeDef), element(1,TypeDef) == pt -> - %% this is an inlined type. If constructed - %% type save in data base - T=check_type(S,#typedef{typespec=ObjFieldSetting},ObjFieldSetting), - #'Externaltypereference'{type=PtName} = - element(2,TypeDef), - NameList = [PtName,S#state.tname], - NewName = list_to_atom(asn1ct_gen:list2name(NameList)), - NewTDef=#typedef{checked=true,name=NewName, - typespec=T}, - asn1_db:dbput(S#state.mname,NewName,NewTDef), - %%asn1ct_gen:insert_once(parameterized_objects,{NewName,type,NewTDef}), - insert_once(S,parameterized_objects, - {NewName,type,NewTDef}), - {NewTDef,RestSettings}; - is_tuple(TypeDef), element(1,TypeDef)=='SelectionType' -> - T=check_type(S,#typedef{typespec=ObjFieldSetting}, - ObjFieldSetting), - Name = type_name(S,T), - {#typedef{checked=true,name=Name,typespec=T},RestSettings}; - true -> - case asn1ct_gen:type(asn1ct_gen:get_inner(TypeDef)) of - ERef = #'Externaltypereference'{module=CurrMod} -> - {RefMod,T} = get_referenced_type(S,ERef), - check_and_save(S,ERef#'Externaltypereference'{module=RefMod},T,RestSettings); - - ERef = #'Externaltypereference'{} -> - {RefMod,T} = get_referenced_type(S,ERef), - check_and_save(S,ERef#'Externaltypereference'{module=RefMod},T,RestSettings); - Bif when Bif=={primitive,bif};Bif=={constructed,bif} -> - T = check_type(S,#typedef{typespec=ObjFieldSetting}, - ObjFieldSetting), - {#typedef{checked=true,name=Bif,typespec=T},RestSettings}; - _ -> - %this case should not happen any more - {Mod,T} = - get_referenced_type(S,#'Externaltypereference'{module=S#state.mname,type=ObjFieldSetting}), - case Mod of - CurrMod -> - {T,RestSettings}; - ExtMod -> - #typedef{name=Name} = T, - {T#typedef{name={ExtMod,Name}},RestSettings} - end - end - end, - {{ObjFieldName,Type},SettingsLeft}; - fixedtypevaluefield -> - case ObjFieldName of - Val when is_atom(Val) -> - %% ObjFieldSetting can be a value,an objectidentifiervalue, - %% an element in an enumeration or namednumberlist etc. - ValRef = - case ObjFieldSetting of - ValSetting=#'Externalvaluereference'{} -> - ValSetting; - {'ValueFromObject',{_,ObjRef},FieldName} -> - {_,Object} = get_referenced_type(S,ObjRef), - ChObject = check_object(S,Object, - Object#typedef.typespec), - get_fieldname_element(S,Object#typedef{typespec=ChObject}, - FieldName); - ValSetting = #valuedef{} -> - ValSetting; - ValSetting = {'CHOICE',{Alt,_ChVal}} when is_atom(Alt) -> - #valuedef{type=element(3,CField), - value=ValSetting, - module=S#state.mname}; - ValSetting -> - #identifier{val=ValSetting} - end, - ?dbg("fixedtypevaluefield ValRef: ~p~n",[ValRef]), - case ValRef of - #valuedef{} -> - {{ObjFieldName,check_value(S,ValRef)},RestSettings}; - _ -> - ValDef = - case catch get_referenced_type(S,ValRef) of - {error,_} -> - NewValDef = - #valuedef{name=Val, - type=element(3,CField), - value=ObjFieldSetting, - module=S#state.mname}, - check_value(S,NewValDef); - {M,VDef} when is_record(VDef,valuedef) -> - check_value(update_state(S,M), - %%S#state{mname=M}, - VDef);%% XXX - {M,VDef} -> - check_value(update_state(S,M), - %%S#state{mname=M}, - #valuedef{name=Val, - type=element(3,CField), - value=VDef, - module=M}) - end, - {{ObjFieldName,ValDef},RestSettings} - end; - Val -> - {{ObjFieldName,Val},RestSettings} - end; - fixedtypevaluesetfield -> - {{ObjFieldName,ObjFieldSetting},RestSettings}; - objectfield -> - CheckObject = - fun(O) -> - O#typedef{checked=true,typespec= - check_object(S,O,O#typedef.typespec)} - end, - ObjectSpec = - case ObjFieldSetting of - Ref when is_record(Ref,'Externalvaluereference') -> - %% The object O might be a #valuedef{} if - %% e.g. the definition looks like - %% myobj SOMECLASS ::= referencedObject - {M,O} = get_referenced_type(S,Ref), - check_object(S,O,object_to_check(O)), - Ref#'Externalvaluereference'{module=M}; - - {'ValueFromObject',{_,ObjRef},FieldName} -> - %% This is an ObjectFromObject - {_,Object} = get_referenced_type(S,ObjRef), - ChObject = check_object(S,Object, - Object#typedef.typespec), - ObjFromObj= - get_fieldname_element(S,Object#typedef{ - typespec=ChObject}, - FieldName), - CheckObject(ObjFromObj); - ObjDef={object,_,_} -> - %% An object defined inlined in another object - %% class is an objectfield, that implies that - %% {objectsetfield,TypeFieldName,DefinedObjecClass, - %% OptionalitySpec} - %% DefinedObjecClass = #'Externaltypereference'{}| - %% 'TYPE-IDENTIFIER' | 'ABSTRACT-SYNTAX' - ClassName = element(3,CField), - InlinedObjName= - list_to_atom(lists:concat([S#state.tname]++ - ['_',ObjFieldName])), - - ObjSpec = #'Object'{classname=ClassName, - def=ObjDef}, - CheckedObj= - check_object(S,#typedef{typespec=ObjSpec},ObjSpec), - InlObj = #typedef{checked=true,name=InlinedObjName, - typespec=CheckedObj}, - ObjKey = {InlinedObjName,InlinedObjName}, - %% asn1ct_gen:insert_once(inlined_objects,ObjKey), - insert_once(S,inlined_objects,ObjKey), - %% Which module to use here? Could it be other than top_module ? - %% asn1_db:dbput(S#state.mname,InlinedObjName,InlObj), - asn1_db:dbput(get(top_module),InlinedObjName,InlObj), - InlObj; - #type{def=Eref} when is_record(Eref,'Externaltypereference') -> - {_,O} = get_referenced_type(S,Eref), - CheckObject(O); - Other -> - {_,O} = get_referenced_type(S,#'Externaltypereference'{module=S#state.mname,type=Other}), - CheckObject(O) - end, - {{ObjFieldName,ObjectSpec},RestSettings}; - variabletypevaluefield -> - {{ObjFieldName,ObjFieldSetting},RestSettings}; - variabletypevaluesetfield -> - {{ObjFieldName,ObjFieldSetting},RestSettings}; -%% objectset_or_fixedtypevalueset_field -> -%% ok; - objectsetfield -> - ObjSetSpec = get_objectset_def(S,ObjFieldSetting,CField), - ?dbg("objectsetfield, ObjSetSpec:~p~n",[ObjSetSpec]), - {{ObjFieldName, - ObjSetSpec#typedef{checked=true, - typespec=check_object(S,ObjSetSpec, - ObjSetSpec#typedef.typespec)}},RestSettings} +match_syntax_type(S, {fixedtypevaluefield,Name,#type{},_,_}, #valuedef{}=Val0) -> + Val = check_value(S, Val0), + {match,[{Name,Val}]}; +match_syntax_type(S, {fixedtypevaluefield,Name,#type{},_,_}, + {'ValueFromObject',{object,Object},FieldNames}) -> + Val = extract_field(S, Object, FieldNames), + {match,[{Name,Val}]}; +match_syntax_type(S, {fixedtypevaluefield,Name,#type{}=T,_,_}=Type, Any) -> + ValDef = #valuedef{name=Name,type=T,value=Any,module=S#state.mname}, + match_syntax_type(S, Type, ValDef); +match_syntax_type(_S, {fixedtypevaluesetfield,Name,#type{},_}, Any) -> + {match,[{Name,Any}]}; +match_syntax_type(S, {objectfield,Name,_,_,_}, #'Externalvaluereference'{}=Ref) -> + {M,Obj} = get_referenced_type(S, Ref), + check_object(S, Obj, object_to_check(S, Obj)), + {match,[{Name,Ref#'Externalvaluereference'{module=M}}]}; +match_syntax_type(S, {objectfield,Name,Class,_,_}, {object,_,_}=ObjDef) -> + InlinedObjName = list_to_atom(lists:concat([S#state.tname, + '_',Name])), + ObjSpec = #'Object'{classname=Class,def=ObjDef}, + CheckedObj = check_object(S, #typedef{typespec=ObjSpec}, ObjSpec), + InlObj = #typedef{checked=true,name=InlinedObjName,typespec=CheckedObj}, + ObjKey = {InlinedObjName, InlinedObjName}, + insert_once(S, inlined_objects, ObjKey), + %% Which module to use here? Could it be other than top_module? + asn1_db:dbput(get(top_module), InlinedObjName, InlObj), + {match,[{Name,InlObj}]}; +match_syntax_type(_S, {objectfield,Name,_,_,_}, Any) -> + {match,[{Name,Any}]}; +match_syntax_type(S, {objectsetfield,Name,CDef0,_}, Any) -> + CDef = case CDef0 of + #type{def=CDef1} -> CDef1; + CDef1 -> CDef1 + end, + case match_syntax_objset(S, Any, CDef) of + #typedef{typespec=#'ObjectSet'{}=Ts0}=Def -> + Ts = check_object(S, Def, Ts0), + {match,[{Name,Def#typedef{checked=true,typespec=Ts}}]}; + _ -> + syntax_match_error(S, Any) + end; +match_syntax_type(S, {typefield,Name0,_}, #type{def={pt,_,_}=Def}=Actual) -> + %% This is an inlined type. If constructed type, save in data base. + T = check_type(S, #typedef{typespec=Actual}, Actual), + #'Externaltypereference'{type=PtName} = element(2, Def), + NameList = [PtName,S#state.tname], + Name = list_to_atom(asn1ct_gen:list2name(NameList)), + NewTDef = #typedef{checked=true,name=Name,typespec=T}, + asn1_db:dbput(S#state.mname, Name, NewTDef), + insert_once(S, parameterized_objects, {Name,type,NewTDef}), + {match,[{Name0,NewTDef}]}; +match_syntax_type(S, {typefield,Name,_}, #type{def=#'ObjectClassFieldType'{}}=Actual) -> + T = check_type(S, #typedef{typespec=Actual}, Actual), + {match,[{Name,ocft_def(T)}]}; +match_syntax_type(S, {typefield,Name,_}, #type{def=#'Externaltypereference'{}=Ref}) -> + match_syntax_external(S, Name, Ref); +match_syntax_type(S, {typefield,Name,_}, #type{def=Def}=Actual) -> + T = check_type(S, #typedef{typespec=Actual}, Actual), + TypeName = asn1ct_gen:type(asn1ct_gen:get_inner(Def)), + {match,[{Name,#typedef{checked=true,name=TypeName,typespec=T}}]}; +match_syntax_type(S, {typefield,Name,_}, #'Externaltypereference'{}=Ref) -> + match_syntax_external(S, Name, Ref); +match_syntax_type(_S, {variabletypevaluefield,Name,_,_}, Any) -> + {match,[{Name,Any}]}; +match_syntax_type(_S, {variabletypevaluesetfield,Name,_,_}, Any) -> + {match,[{Name,Any}]}; +match_syntax_type(_S, _Type, _Actual) -> + throw(nomatch). + +match_syntax_params(S0, #ptypedef{name=Name}=PtDef, + #'Externaltypereference'{module=M,type=N}=ERef0, Args) -> + S = S0#state{mname=M,module=load_asn1_module(S0, M),tname=Name}, + Type = check_type(S, PtDef, #type{def={pt,ERef0,Args}}), + ERefName = new_reference_name(N), + ERef = #'Externaltypereference'{type=ERefName,module=S0#state.mname}, + TDef = #typedef{checked=true,name=ERefName,typespec=Type}, + insert_once(S0, parameterized_objects, {ERefName,type,TDef}), + asn1_db:dbput(S0#state.mname, ERef#'Externaltypereference'.type, TDef), + ERef. + +match_syntax_external(#state{mname=Mname}=S0, Name, Ref0) -> + {M,T0} = get_referenced_type(S0, Ref0), + Ref1 = Ref0#'Externaltypereference'{module=M}, + case T0 of + #ptypedef{} -> + {params,Name,T0,Ref1}; + #typedef{checked=false}=TDef0 when Mname =/= M -> + %% This typedef is an imported type (or maybe a set.asn + %% compilation). + S = S0#state{mname=M,module=load_asn1_module(S0, M), + tname=get_datastr_name(TDef0)}, + Type = check_type(S, TDef0, TDef0#typedef.typespec), + TDef = TDef0#typedef{checked=true,typespec=Type}, + asn1_db:dbput(M, get_datastr_name(TDef), TDef), + {match,[{Name,merged_name(S, Ref1)}]}; + TDef -> + %% This might be a renamed type in a set of specs, + %% so rename the ref. + Type = asn1ct:get_name_of_def(TDef), + Ref = Ref1#'Externaltypereference'{type=Type}, + {match,[{Name,Ref}]} end. -get_objectset_def(S,Ref,CField) - when is_record(Ref,'Externaltypereference'); - is_record(Ref,'Externalvaluereference') -> - {_M,T}=get_referenced_type(S,Ref), - get_objectset_def2(S,T,CField); -get_objectset_def(S,ObjectList,CField) when is_list(ObjectList) -> - %% an objctset defined in the object,though maybe - %% parsed as a SequenceOfValue - %% The ObjectList may be a list of references to - %% objects, a ValueFromObject - ?dbg("objectsetfield: ~p~n",[CField]), - get_objectset_def2(S,ObjectList,CField); -get_objectset_def(S,'EXTENSIONMARK',CField) -> - ?dbg("objectsetfield: ~p~n",[CField]), - get_objectset_def2(S,['EXTENSIONMARK'],CField); -get_objectset_def(_S,ObjFieldSetting={'SingleValue',_},CField) -> - %% a Union of defined objects - ?dbg("objectsetfield, SingleValue~n",[]), - union_of_defed_objs(CField,ObjFieldSetting); -get_objectset_def(_S,ObjFieldSetting={{'SingleValue',_},_},CField) -> - %% a Union of defined objects - ?dbg("objectsetfield, SingleValue~n",[]), - union_of_defed_objs(CField,ObjFieldSetting); -get_objectset_def(S,{object,_,[#type{def={'TypeFromObject', - {object,RefedObj}, - FieldName}}]},_CField) -> - %% This case occurs when an ObjectSetFromObjects - %% production is used - {_M,Def} = get_referenced_type(S,RefedObj), - get_fieldname_element(S,Def,FieldName); -get_objectset_def(S,{object,_,[{setting,_,ERef}]},CField) - when is_record(ERef,'Externaltypereference') -> - {_,T} = get_referenced_type(S,ERef), - get_objectset_def2(S,T,CField); -get_objectset_def(S,#type{def=ERef},_CField) - when is_record(ERef,'Externaltypereference') -> - {_,T} = get_referenced_type(S,ERef), +match_syntax_objset(_S, {element_set,_,_}=Set, ClassDef) -> + make_objset(ClassDef, Set); +match_syntax_objset(S, #'Externaltypereference'{}=Ref, _) -> + {_,T} = get_referenced_type(S, Ref), T; -get_objectset_def(S,ObjFieldSetting,CField) - when is_atom(ObjFieldSetting) -> - ERef = #'Externaltypereference'{module=S#state.mname, - type=ObjFieldSetting}, - {_,T} = get_referenced_type(S,ERef), - get_objectset_def2(S,T,CField). - -get_objectset_def2(_S,T = #typedef{typespec=#'Object'{}},_CField) -> - #typedef{typespec=#'Object'{classname=Class,def=Def}} = T, - T#typedef{typespec=#'ObjectSet'{class=Class,set=[Def]}}; -get_objectset_def2(_S,Set,CField) when is_list(Set) -> - {_,_,Type,_} = CField, - ClassDef = Type#type.def, - #typedef{typespec=#'ObjectSet'{class=ClassDef, - set=Set}}; -get_objectset_def2(_S,T = #typedef{typespec=#'ObjectSet'{}},_CField) -> +match_syntax_objset(S, #'Externalvaluereference'{}=Ref, _) -> + {_,T} = get_referenced_type(S, Ref), T; -get_objectset_def2(S,T,_CField) -> - asn1ct:warning("get_objectset_def2: uncontrolled object set structure:~n~p~n", - [T],S,"get_objectset_def2: uncontrolled object set structure"). - -type_name(S,#type{def=Def}) -> - CurrMod = S#state.mname, - case asn1ct_gen:type(asn1ct_gen:get_inner(Def)) of - #'Externaltypereference'{module=CurrMod,type=Name} -> - Name; - #'Externaltypereference'{module=Mod,type=Name} -> - {Mod,Name}; - Bif when Bif=={primitive,bif};Bif=={constructed,bif} -> - Bif +match_syntax_objset(_, [_|_]=Set, ClassDef) -> + make_objset(ClassDef, Set); +match_syntax_objset(S, {object,definedsyntax,Words}, ClassDef) -> + case Words of + [Word] -> + match_syntax_objset_1(S, Word, ClassDef); + [_|_] -> + %% More than one word does not make sense. + none + end; +match_syntax_objset(S, #type{def=#'Externaltypereference'{}=Set}, ClassDef) -> + match_syntax_objset(S, Set, ClassDef); +match_syntax_objset(_, #type{}, _) -> + none. + +match_syntax_objset_1(S, {setting,_,Set}, ClassDef) -> + %% Word that starts with an uppercase letter. + match_syntax_objset(S, Set, ClassDef); +match_syntax_objset_1(S, {word_or_setting,_,Set}, ClassDef) -> + %% Word in uppercase/hyphens only. + match_syntax_objset(S, Set, ClassDef); +match_syntax_objset_1(S, #type{def={'TypeFromObject', {object,Object}, FNs}}, + ClassDef) -> + Set = extract_field(S, Object, FNs), + [_|_] = Set, + #typedef{checked=true,typespec=#'ObjectSet'{class=ClassDef,set=Set}}; +match_syntax_objset_1(_, #type{def=#'ObjectClassFieldType'{}}=Set, ClassDef) -> + make_objset(ClassDef, Set); +match_syntax_objset_1(_, {object,_,_}=Object, ClassDef) -> + make_objset(ClassDef, [Object]). + +make_objset(ClassDef, Set) -> + #typedef{typespec=#'ObjectSet'{class=ClassDef,set=Set}}. + +-spec syntax_match_error(_) -> no_return(). +syntax_match_error(S) -> + asn1_error(S, syntax_nomatch). + +-spec syntax_match_error(_, _) -> no_return(). +syntax_match_error(S, What0) -> + What = printable_string(What0), + asn1_error(S, {syntax_nomatch,What}). + +printable_string(Def) -> + printable_string_1(Def). + +printable_string_1({word_or_setting,_,Def}) -> + printable_string_1(Def); +printable_string_1({value_tag,V}) -> + printable_string_1(V); +printable_string_1({#seqtag{val=Val1},Val2}) -> + atom_to_list(Val1) ++ " " ++ printable_string_1(Val2); +printable_string_1(#type{def=Def}) -> + atom_to_list(asn1ct_gen:get_inner(Def)); +printable_string_1(#'Externaltypereference'{type=Type}) -> + atom_to_list(Type); +printable_string_1(#'Externalvaluereference'{value=Type}) -> + atom_to_list(Type); +printable_string_1({Atom,Line}) when is_atom(Atom), is_integer(Line) -> + q(Atom); +printable_string_1({object,definedsyntax,L}) -> + q(string:join([printable_string_1(Item) || Item <- L], " ")); +printable_string_1([_|_]=Def) -> + case lists:all(fun is_integer/1, Def) of + true -> + lists:flatten(io_lib:format("~p", [Def])); + false -> + q(string:join([printable_string_1(Item) || Item <- Def], " ")) + end; +printable_string_1(Def) -> + lists:flatten(io_lib:format("~p", [Def])). + +q(S) -> + lists:concat(["\"",S,"\""]). + +check_defaultfields(S, Fields, ClassFields) -> + Present = ordsets:from_list([F || {F,_} <- Fields]), + Mandatory0 = get_mandatory_class_fields(ClassFields), + Mandatory = ordsets:from_list(Mandatory0), + All = ordsets:from_list([element(2, F) || F <- ClassFields]), + #state{tname=Obj} = S, + case ordsets:subtract(Present, All) of + [] -> + ok; + [_|_]=Invalid -> + asn1_error(S, {invalid_fields,Invalid,Obj}) + end, + case ordsets:subtract(Mandatory, Present) of + [] -> + check_defaultfields_1(S, Fields, ClassFields, []); + [_|_]=Missing -> + asn1_error(S, {missing_mandatory_fields,Missing,Obj}) end. +check_defaultfields_1(_S, [], _ClassFields, Acc) -> + {object,defaultsyntax,lists:reverse(Acc)}; +check_defaultfields_1(S, [{FName,Spec}|Fields], ClassFields, Acc) -> + CField = lists:keyfind(FName, 2, ClassFields), + {match,Match} = match_syntax_type(S, CField, Spec), + check_defaultfields_1(S, Fields, ClassFields, Match++Acc). + +get_mandatory_class_fields(ClassFields) -> + [element(2, F) || F <- ClassFields, + is_mandatory_class_field(F)]. + +is_mandatory_class_field({fixedtypevaluefield,_,_,_,'MANDATORY'}) -> + true; +is_mandatory_class_field({objectfield,_,_,_,'MANDATORY'}) -> + true; +is_mandatory_class_field({objectsetfield,_,_,'MANDATORY'}) -> + true; +is_mandatory_class_field({typefield,_,'MANDATORY'}) -> + true; +is_mandatory_class_field({variabletypevaluefield,_,_,'MANDATORY'}) -> + true; +is_mandatory_class_field({variabletypevaluesetfield,_,_,'MANDATORY'}) -> + true; +is_mandatory_class_field(_) -> + false. + merged_name(#state{inputmodules=[]},ERef) -> ERef; merged_name(S,ERef=#'Externaltypereference'{module=M}) -> @@ -1989,38 +1652,18 @@ merged_name(S,ERef=#'Externaltypereference'{module=M}) -> ERef end. -oCFT_def(S,T) -> - case get_OCFT_inner(S,T) of - ERef=#'Externaltypereference'{} -> ERef; - {Name,Type} -> #typedef{checked=true,name=Name,typespec=Type}; - 'ASN1_OPEN_TYPE' -> - #typedef{checked=true,typespec=T#type{def='ASN1_OPEN_TYPE'}} - end. - -get_OCFT_inner(_S,T) -> -% Module=S#state.mname, - Def = T#type.def, - case Def#'ObjectClassFieldType'.type of +ocft_def(#type{def=#'ObjectClassFieldType'{type=OCFT}}=T) -> + case OCFT of {fixedtypevaluefield,_,InnerType} -> case asn1ct_gen:type(asn1ct_gen:get_inner(InnerType#type.def)) of - Bif when Bif=={primitive,bif};Bif=={constructed,bif} -> - {Bif,InnerType}; - ERef = #'Externaltypereference'{} -> - ERef + Bif when Bif =:= {primitive,bif}; Bif =:= {constructed,bif} -> + #typedef{checked=true,name=Bif,typespec=InnerType}; + #'Externaltypereference'{}=Ref -> + Ref end; - 'ASN1_OPEN_TYPE' -> 'ASN1_OPEN_TYPE' + 'ASN1_OPEN_TYPE' -> + #typedef{checked=true,typespec=T#type{def='ASN1_OPEN_TYPE'}} end. - - - -union_of_defed_objs({_,_,_ObjClass=#type{def=ClassDef},_},ObjFieldSetting) -> - #typedef{typespec=#'ObjectSet'{class = ClassDef, - set = ObjFieldSetting}}; -union_of_defed_objs({_,_,DefObjClassRef,_},ObjFieldSetting) - when is_record(DefObjClassRef,'Externaltypereference') -> - #typedef{typespec=#'ObjectSet'{class = DefObjClassRef, - set = ObjFieldSetting}}. - check_value(OldS,V) when is_record(V,pvaluesetdef) -> #pvaluesetdef{checked=Checked,type=Type} = V, @@ -2044,8 +1687,7 @@ check_value(OldS,V) when is_record(V,typedef) -> #typedef{typespec=TS} = V, case TS of #'ObjectSet'{class=ClassRef} -> - {RefM,TSDef} = get_referenced_type(OldS,ClassRef), - %%IsObjectSet(TSDef); + {_RefM,TSDef} = get_referenced_type(OldS, ClassRef), case TSDef of #classdef{} -> throw({objectsetdef}); #typedef{typespec=#type{def=Eref}} when @@ -2053,14 +1695,12 @@ check_value(OldS,V) when is_record(V,typedef) -> %% This case if the class reference is a defined %% reference to class check_value(OldS,V#typedef{typespec=TS#'ObjectSet'{class=Eref}}); - #typedef{} -> + #typedef{typespec=HostType} -> % an ordinary value set with a type in #typedef.typespec - ValueSet = TS#'ObjectSet'.set, - Type=check_type(OldS,TSDef,TSDef#typedef.typespec), - Value = check_value(OldS,#valuedef{type=Type, - value=ValueSet, - module=RefM}), - {valueset,Type#type{constraint=Value#valuedef.value}} + ValueSet0 = TS#'ObjectSet'.set, + Constr = check_constraints(OldS, HostType, [ValueSet0]), + Type = check_type(OldS,TSDef,TSDef#typedef.typespec), + {valueset,Type#type{constraint=Constr}} end; _ -> throw({objectsetdef}) @@ -2080,11 +1720,11 @@ check_value(S, #valuedef{}=V) -> end. check_valuedef(#state{recordtopname=TopName}=S0, V0) -> - #valuedef{name=Name,type=Vtype,value=Value,module=ModName} = V0, + #valuedef{name=Name,type=Vtype0,value=Value,module=ModName} = V0, V = V0#valuedef{checked=true}, + Vtype = check_type(S0, #typedef{name=Name,typespec=Vtype0},Vtype0), Def = Vtype#type.def, - Constr = Vtype#type.constraint, - S1 = S0#state{type=Vtype,tname=Def,value=V0,vname=Name}, + S1 = S0#state{tname=Def}, SVal = update_state(S1, ModName), case Def of #'Externaltypereference'{type=RecName}=Ext -> @@ -2092,9 +1732,8 @@ check_valuedef(#state{recordtopname=TopName}=S0, V0) -> %% If V isn't a value but an object Type is a #classdef{} S2 = update_state(S1, RefM), case Type of - #classdef{} -> - throw({objectdef}); - #typedef{typespec=TypeSpec} -> + #typedef{typespec=TypeSpec0}=TypeDef -> + TypeSpec = check_type(S2, TypeDef, TypeSpec0), S3 = case is_contextswitchtype(Type) of true -> S2; @@ -2111,7 +1750,7 @@ check_valuedef(#state{recordtopname=TopName}=S0, V0) -> V#valuedef{type=Type}), V#valuedef{value=CheckedVal} end; - 'ANY' -> + 'ASN1_OPEN_TYPE' -> {opentypefieldvalue,ANYType,ANYValue} = Value, CheckedV = check_value(SVal,#valuedef{name=Name, type=ANYType, @@ -2119,21 +1758,12 @@ check_valuedef(#state{recordtopname=TopName}=S0, V0) -> module=ModName}), V#valuedef{value=CheckedV#valuedef.value}; 'INTEGER' -> - ok = validate_integer(SVal, Value, [], Constr), V#valuedef{value=normalize_value(SVal, Vtype, Value, [])}; - {'INTEGER',NamedNumberList} -> - ok = validate_integer(SVal, Value, NamedNumberList, Constr), + {'INTEGER',_NamedNumberList} -> V#valuedef{value=normalize_value(SVal, Vtype, Value, [])}; - #'SEQUENCE'{components=Components} -> - {ok,SeqVal} = validate_sequence(SVal, Value, - Components, Constr), - V#valuedef{value=normalize_value(SVal, Vtype, - SeqVal, TopName)}; - {'SelectionType',SelName,SelT} -> - CheckedT = check_selectiontype(SVal, SelName, SelT), - NewV = V#valuedef{type=CheckedT}, - SelVDef = check_value(S1#state{value=NewV}, NewV), - V#valuedef{value=SelVDef#valuedef.value}; + #'SEQUENCE'{} -> + {ok,SeqVal} = convert_external(SVal, Vtype, Value), + V#valuedef{value=normalize_value(SVal, Vtype, SeqVal, TopName)}; _ -> V#valuedef{value=normalize_value(SVal, Vtype, Value, TopName)} end. @@ -2147,178 +1777,97 @@ is_contextswitchtype(#typedef{name='CHARACTER STRING'}) -> is_contextswitchtype(_) -> false. -% validate_integer(S,{identifier,Pos,Id},NamedNumberList,Constr) -> -% case lists:keysearch(Id,1,NamedNumberList) of -% {value,_} -> ok; -% false -> error({value,"unknown NamedNumber",S}) -% end; -%% This case occurs when there is a valuereference -%% validate_integer(S=#state{mname=M}, -%% #'Externalvaluereference'{module=M,value=Id}=Ref, -validate_integer(S,#'Externalvaluereference'{value=Id}=Ref, - NamedNumberList,Constr) -> - case lists:keysearch(Id,1,NamedNumberList) of - {value,_} -> ok; - false -> validate_integer_ref(S,Ref,NamedNumberList,Constr) - %%error({value,"unknown NamedNumber",S}) - end; -validate_integer(S,Id,NamedNumberList,Constr) when is_atom(Id) -> - case lists:keysearch(Id,1,NamedNumberList) of - {value,_} -> ok; - false -> validate_integer_ref(S,Id,NamedNumberList,Constr) - %error({value,"unknown NamedNumber",S}) +%%% +%%% Start of OBJECT IDENTFIER/RELATIVE-OID validation. +%%% + +validate_objectidentifier(S, OidType, #'Externalvaluereference'{}=Id) -> + %% Must be an OBJECT IDENTIFIER or RELATIVE-OID depending on OidType. + get_oid_value(S, OidType, false, Id); +validate_objectidentifier(S, OidType, {'ValueFromObject',{object,Obj},Fields}) -> + %% Must be an OBJECT IDENTIFIER/RELATIVE-OID depending on OidType. + case extract_field(S, Obj, Fields) of + #valuedef{checked=true,value=Value,type=Type} when is_tuple(Value) -> + _ = get_oid_type(S, OidType, Type), + Value; + _ -> + asn1_error(S, {illegal_oid,OidType}) end; -validate_integer(_S,Value,_NamedNumberList,Constr) when is_integer(Value) -> - check_integer_range(Value,Constr). - -validate_integer_ref(S,Id,_,_) when is_atom(Id) -> - error({value,"unknown integer referens",S}); -validate_integer_ref(S,Ref,NamedNumberList,Constr) -> - case get_referenced_type(S,Ref) of - {M,V} when is_record(V,valuedef) -> - NewS = update_state(S,M), - case check_value(NewS,V) of - #valuedef{type=#type{def='INTEGER'},value=Value} -> - validate_integer(NewS,Value,NamedNumberList,Constr); - _Err -> error({value,"unknown integer referens",S}) +validate_objectidentifier(S, OidType, + [{#seqtag{module=Mod,pos=Pos,val=Atom},Val}]) -> + %% This case is when an OBJECT IDENTIFIER value has been parsed as a + %% SEQUENCE value. + Rec = #'Externalvaluereference'{pos=Pos, + module=Mod, + value=Atom}, + validate_oid(S, OidType, [Rec,Val], []); +validate_objectidentifier(S, OidType, [_|_]=L0) -> + validate_oid(S, OidType, L0, []); +validate_objectidentifier(S, OidType, _) -> + asn1_error(S, {illegal_oid,OidType}). + +get_oid_value(S, OidType, AllowInteger, #'Externalvaluereference'{}=Id) -> + case get_referenced_type(S, Id) of + {_,#valuedef{checked=Checked,type=Type,value=V}} -> + case get_oid_type(S, OidType, Type) of + 'INTEGER' when not AllowInteger -> + asn1_error(S, {illegal_oid,OidType}); + _ when Checked -> + V; + 'INTEGER' -> + V; + _ -> + validate_objectidentifier(S, OidType, V) end; _ -> - error({value,"unknown integer referens",S}) - end. - - - -check_integer_range(_Int, Constr) when is_list(Constr) -> - ok. - -%%------------ -%% This can be removed when the old parser is removed -%% The function removes 'space' atoms from the list - -is_space_list([H],Acc) -> - lists:reverse([H|Acc]); -is_space_list([H,space|T],Acc) -> - is_space_list(T,[H|Acc]); -is_space_list([],Acc) -> - lists:reverse(Acc); -is_space_list([H|T],Acc) -> - is_space_list(T,[H|Acc]). - -validate_objectidentifier(S,OID,ERef,C) - when is_record(ERef,'Externalvaluereference') -> - validate_objectidentifier(S,OID,[ERef],C); -validate_objectidentifier(S,OID,Tup,C) when is_tuple(Tup) -> - validate_objectidentifier(S,OID,tuple_to_list(Tup),C); -validate_objectidentifier(S,OID,L,_) -> - NewL = is_space_list(L,[]), - case validate_objectidentifier1(S,OID,NewL) of - NewL2 when is_list(NewL2) ->{ok,list_to_tuple(NewL2)}; - Other -> {ok,Other} + asn1_error(S, {illegal_oid,OidType}) end. -validate_objectidentifier1(S, OID, [Id|T]) - when is_record(Id,'Externalvaluereference') -> - case catch get_referenced_type(S,Id) of - {M,V} when is_record(V,valuedef) -> - NewS = update_state(S,M), - case check_value(NewS,V) of - #valuedef{type=#type{def=ERef},checked=true, - value=Value} when is_tuple(Value) -> - case is_object_id(OID,NewS,ERef) of - true -> - %% T must be a RELATIVE-OID - validate_oid(true,NewS, rel_oid, T, lists:reverse(tuple_to_list(Value))); - _ -> - error({value, {"illegal "++to_string(OID),[Id|T]}, S}) - end; - _ -> - error({value, {"illegal "++to_string(OID),[Id|T]}, S}) - end; - _ -> - validate_oid(true,S, OID, [Id|T], []) - end; -validate_objectidentifier1(S,OID,V) -> - validate_oid(true,S,OID,V,[]). - -validate_oid(false, S, OID, V, Acc) -> - error({value, {"illegal "++to_string(OID), V,Acc}, S}); -validate_oid(_,_, _, [], Acc) -> - lists:reverse(Acc); -validate_oid(_, S, OID, [Value|Vrest], Acc) when is_integer(Value) -> - validate_oid(valid_objectid(OID,Value,Acc),S, OID, Vrest, [Value|Acc]); -validate_oid(_, S, OID, [{'NamedNumber',_Name,Value}|Vrest], Acc) +validate_oid(S, OidType, [], Acc) -> + Oid = lists:reverse(Acc), + validate_oid_path(S, OidType, Oid), + list_to_tuple(Oid); +validate_oid(S, OidType, [Value|Vrest], Acc) when is_integer(Value) -> + validate_oid(S, OidType, Vrest, [Value|Acc]); +validate_oid(S, OidType, [{'NamedNumber',_Name,Value}|Vrest], Acc) when is_integer(Value) -> - validate_oid(valid_objectid(OID,Value,Acc), S, OID, Vrest, [Value|Acc]); -validate_oid(_, S, OID, [Id|Vrest], Acc) - when is_record(Id,'Externalvaluereference') -> - case catch get_referenced_type(S, Id) of - {M,V} when is_record(V,valuedef) -> - NewS = update_state(S,M), - NewVal = case check_value(NewS, V) of - #valuedef{checked=true,value=Value} -> - fun(Int) when is_integer(Int) -> [Int]; - (L) when is_list(L) -> L; - (T) when is_tuple(T) -> tuple_to_list(T) - end (Value); - _ -> - error({value, {"illegal "++to_string(OID), - [Id|Vrest],Acc}, S}) - end, - case NewVal of - List when is_list(List) -> - validate_oid(valid_objectid(OID,NewVal,Acc), NewS, - OID, Vrest,lists:reverse(NewVal)++Acc); - _ -> - NewVal - end; - _ -> + validate_oid(S, OidType, Vrest, [Value|Acc]); +validate_oid(S, OidType, [#'Externalvaluereference'{}=Id|Vrest], Acc) -> + NeededOidType = case Acc of + [] -> o_id; + [_|_] -> rel_oid + end, + try get_oid_value(S, NeededOidType, true, Id) of + Val when is_integer(Val) -> + validate_oid(S, OidType, Vrest, [Val|Acc]); + Val when is_tuple(Val) -> + L = tuple_to_list(Val), + validate_oid(S, OidType, Vrest, lists:reverse(L, Acc)) + catch + _:_ -> case reserved_objectid(Id#'Externalvaluereference'.value, Acc) of Value when is_integer(Value) -> - validate_oid(valid_objectid(OID,Value,Acc), - S, OID,Vrest, [Value|Acc]); + validate_oid(S, OidType,Vrest, [Value|Acc]); false -> - error({value, {"illegal "++to_string(OID),[Id,Vrest],Acc}, S}) + asn1_error(S, {illegal_oid,OidType}) end end; -validate_oid(_, S, OID, [{Atom,Value}],[]) - when is_atom(Atom),is_integer(Value) -> - %% this case when an OBJECT IDENTIFIER value has been parsed as a - %% SEQUENCE value - Rec = #'Externalvaluereference'{module=S#state.mname, - value=Atom}, - validate_objectidentifier1(S, OID, [Rec,Value]); -validate_oid(_, S, OID, [{Atom,EVRef}],[]) - when is_atom(Atom),is_record(EVRef,'Externalvaluereference') -> - %% this case when an OBJECT IDENTIFIER value has been parsed as a - %% SEQUENCE value OTP-4354 - Rec = #'Externalvaluereference'{module=EVRef#'Externalvaluereference'.module, - value=Atom}, - validate_objectidentifier1(S, OID, [Rec,EVRef]); -validate_oid(_, S, OID, [Atom|Rest],Acc) when is_atom(Atom) -> - Rec = #'Externalvaluereference'{module=S#state.mname, - value=Atom}, - validate_oid(true,S, OID, [Rec|Rest],Acc); -validate_oid(_, S, OID, V, Acc) -> - error({value, {"illegal "++to_string(OID),V,Acc},S}). - -is_object_id(OID,S,ERef=#'Externaltypereference'{}) -> - {_,OI} = get_referenced_type(S,ERef), - is_object_id(OID,S,OI#typedef.typespec); -is_object_id(o_id,_S,'OBJECT IDENTIFIER') -> - true; -is_object_id(rel_oid,_S,'RELATIVE-OID') -> - true; -is_object_id(_,_S,'INTEGER') -> - true; -is_object_id(OID,S,#type{def=Def}) -> - is_object_id(OID,S,Def); -is_object_id(_,_S,_) -> - false. - -to_string(o_id) -> - "OBJECT IDENTIFIER"; -to_string(rel_oid) -> - "RELATIVE-OID". +validate_oid(S, OidType, _V, _Acc) -> + asn1_error(S, {illegal_oid,OidType}). + +get_oid_type(S, OidType, #type{def=Def}) -> + get_oid_type(S, OidType, Def); +get_oid_type(S, OidType, #'Externaltypereference'{}=Id) -> + {_,OI} = get_referenced_type(S, Id), + get_oid_type(S, OidType, OI#typedef.typespec); +get_oid_type(_S, o_id, 'OBJECT IDENTIFIER'=T) -> + T; +get_oid_type(_S, rel_oid, 'RELATIVE-OID'=T) -> + T; +get_oid_type(_S, _, 'INTEGER'=T) -> + T; +get_oid_type(S, OidType, _) -> + asn1_error(S, {illegal_oid,OidType}). %% ITU-T Rec. X.680 Annex B - D reserved_objectid('itu-t',[]) -> 0; @@ -2357,7 +1906,6 @@ reserved_objectid('x',[0,0]) -> 24; reserved_objectid('y',[0,0]) -> 25; reserved_objectid('z',[0,0]) -> 26; - reserved_objectid(iso,[]) -> 1; %% arcs below "iso", note that number 1 is not used reserved_objectid('standard',[1]) -> 0; @@ -2369,31 +1917,28 @@ reserved_objectid('joint-iso-ccitt',[]) -> 2; reserved_objectid(_,_) -> false. -valid_objectid(_OID,[],_Acc) -> - true; -valid_objectid(OID,[H|T],Acc) -> - case valid_objectid(OID, H, Acc) of - true -> - valid_objectid(OID,T,[H|Acc]); - _ -> - false - end; -valid_objectid(o_id,I,[]) when I =:= 0; I =:= 1; I =:= 2 -> true; -valid_objectid(o_id,_I,[]) -> false; -valid_objectid(o_id,I,[0]) when I >= 0; I =< 4 -> true; -valid_objectid(o_id,_I,[0]) -> false; -valid_objectid(o_id,I,[1]) when I =:= 0; I =:= 2; I =:= 3 -> true; -valid_objectid(o_id,_I,[1]) -> false; -valid_objectid(o_id,_I,[2]) -> true; -valid_objectid(_,_,_) -> true. - -validate_sequence(S=#state{type=Vtype},Value,_Components,_Constr) -> +validate_oid_path(_, rel_oid, _) -> + ok; +validate_oid_path(_, o_id, [0,I|_]) when 0 =< I, I =< 9 -> + ok; +validate_oid_path(_, o_id, [1,I|_]) when 0 =< I, I =< 3 -> + ok; +validate_oid_path(_, o_id, [2|_]) -> + ok; +validate_oid_path(S, o_id=OidType, _) -> + asn1_error(S, {illegal_oid,OidType}). + +%%% +%%% End of OBJECT IDENTFIER/RELATIVE-OID validation. +%%% + +convert_external(S, Vtype, Value) -> case Vtype of #type{tag=[{tag,'UNIVERSAL',8,'IMPLICIT',32}]} -> %% this is an 'EXTERNAL' (or INSTANCE OF) case Value of - [{identification,_}|_RestVal] -> - {ok,to_EXTERNAL1990(S,Value)}; + [{#seqtag{val=identification},_}|_] -> + {ok,to_EXTERNAL1990(S, Value)}; _ -> {ok,Value} end; @@ -2401,22 +1946,26 @@ validate_sequence(S=#state{type=Vtype},Value,_Components,_Constr) -> {ok,Value} end. -to_EXTERNAL1990(S,[{identification,{'CHOICE',{syntax,Stx}}}|Rest]) -> - to_EXTERNAL1990(S,Rest,[{'direct-reference',Stx}]); -to_EXTERNAL1990(S,[{identification,{'CHOICE',{'presentation-context-id',I}}}|Rest]) -> - to_EXTERNAL1990(S,Rest,[{'indirect-reference',I}]); -to_EXTERNAL1990(S,[{identification,{'CHOICE',{'context-negotiation',[{_,PCid},{_,TrStx}]}}}|Rest]) -> - to_EXTERNAL1990(S,Rest,[{'indirect-reference',PCid},{'direct-reference',TrStx}]); -to_EXTERNAL1990(S,_) -> - error({value,"illegal value in EXTERNAL type",S}). - -to_EXTERNAL1990(S,[V={'data-value-descriptor',_}|Rest],Acc) -> - to_EXTERNAL1990(S,Rest,[V|Acc]); -to_EXTERNAL1990(_S,[{'data-value',Val}],Acc) -> - Encoding = {encoding,{'CHOICE',{'octet-aligned',Val}}}, +to_EXTERNAL1990(S, [{#seqtag{val=identification}=T, + {'CHOICE',{syntax,Stx}}}|Rest]) -> + to_EXTERNAL1990(S, Rest, [{T#seqtag{val='direct-reference'},Stx}]); +to_EXTERNAL1990(S, [{#seqtag{val=identification}=T, + {'CHOICE',{'presentation-context-id',I}}}|Rest]) -> + to_EXTERNAL1990(S, Rest, [{T#seqtag{val='indirect-reference'},I}]); +to_EXTERNAL1990(S, [{#seqtag{val=identification}=T, + {'CHOICE',{'context-negotiation',[{_,PCid},{_,TrStx}]}}}|Rest]) -> + to_EXTERNAL1990(S, Rest, [{T#seqtag{val='indirect-reference'},PCid}, + {T#seqtag{val='direct-reference'},TrStx}]); +to_EXTERNAL1990(S, _) -> + asn1_error(S, illegal_external_value). + +to_EXTERNAL1990(S, [V={#seqtag{val='data-value-descriptor'},_}|Rest], Acc) -> + to_EXTERNAL1990(S, Rest, [V|Acc]); +to_EXTERNAL1990(_S, [{#seqtag{val='data-value'}=T,Val}], Acc) -> + Encoding = {T#seqtag{val=encoding},{'CHOICE',{'octet-aligned',Val}}}, lists:reverse([Encoding|Acc]); -to_EXTERNAL1990(S,_,_) -> - error({value,"illegal value in EXTERNAL type",S}). +to_EXTERNAL1990(S, _, _) -> + asn1_error(S, illegal_external_value). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Functions to normalize the default values of SEQUENCE @@ -2426,17 +1975,16 @@ normalize_value(_,_,mandatory,_) -> mandatory; normalize_value(_,_,'OPTIONAL',_) -> 'OPTIONAL'; -normalize_value(S0, Type, {'DEFAULT',Value}, NameList) -> - S = S0#state{value=Value}, +normalize_value(S, Type, {'DEFAULT',Value}, NameList) -> case catch get_canonic_type(S,Type,NameList) of {'BOOLEAN',CType,_} -> normalize_boolean(S,Value,CType); {'INTEGER',CType,_} -> - normalize_integer(S,Value,CType); + normalize_integer(S, Value, CType); {'BIT STRING',CType,_} -> normalize_bitstring(S,Value,CType); - {'OCTET STRING',CType,_} -> - normalize_octetstring(S,Value,CType); + {'OCTET STRING',_,_} -> + normalize_octetstring(S, Value); {'NULL',_CType,_} -> %%normalize_null(Value); 'NULL'; @@ -2472,123 +2020,100 @@ normalize_value(S0, Type, {'DEFAULT',Value}, NameList) -> normalize_value(S,Type,Val,NameList) -> normalize_value(S,Type,{'DEFAULT',Val},NameList). -normalize_boolean(S,{Name,Bool},CType) when is_atom(Name) -> - normalize_boolean(S,Bool,CType); normalize_boolean(_,true,_) -> true; normalize_boolean(_,false,_) -> false; normalize_boolean(S,Bool=#'Externalvaluereference'{},CType) -> get_normalized_value(S,Bool,CType,fun normalize_boolean/3,[]); -normalize_boolean(_,Other,_) -> - throw({error,{asn1,{'invalid default value',Other}}}). +normalize_boolean(S, _, _) -> + asn1_error(S, {illegal_value, "BOOLEAN"}). -normalize_integer(_S,Int,_) when is_integer(Int) -> +normalize_integer(_S, Int, _) when is_integer(Int) -> Int; -normalize_integer(_S,{Name,Int},_) when is_atom(Name),is_integer(Int) -> - Int; -normalize_integer(S,{Name,Int=#'Externalvaluereference'{}}, - Type) when is_atom(Name) -> - normalize_integer(S,Int,Type); -normalize_integer(S,Int=#'Externalvaluereference'{value=Name},Type) -> - case Type of - NNL when is_list(NNL) -> - case lists:keysearch(Name,1,NNL) of - {value,{Name,Val}} -> +normalize_integer(S, #'Externalvaluereference'{value=Name}=Ref, NNL) -> + case lists:keyfind(Name, 1, NNL) of + {Name,Val} -> + Val; + false -> + try get_referenced_value(S, Ref) of + Val when is_integer(Val) -> Val; - false -> - get_normalized_value(S,Int,Type, - fun normalize_integer/3,[]) - end; + _ -> + asn1_error(S, illegal_integer_value) + catch + throw:_ -> + asn1_error(S, illegal_integer_value) + end + end; +normalize_integer(S, {'ValueFromObject',{object,Obj},FieldNames}, _) -> + case extract_field(S, Obj, FieldNames) of + #valuedef{value=Val} when is_integer(Val) -> + Val; _ -> - get_normalized_value(S,Int,Type,fun normalize_integer/3,[]) + asn1_error(S, illegal_integer_value) end; -normalize_integer(_,Int,_) -> - exit({'Unknown INTEGER value',Int}). - -normalize_bitstring(S,Value,Type)-> - %% There are four different Erlang formats of BIT STRING: - %% 1 - a list of ones and zeros. - %% 2 - a list of atoms. - %% 3 - as an integer, for instance in hexadecimal form. - %% 4 - as a tuple {Unused, Binary} where Unused is an integer - %% and tells how many bits of Binary are unused. - %% - %% normalize_bitstring/3 transforms Value according to: - %% A to 3, - %% B to 1, - %% C to 1 or 3 - %% D to 2, - %% Value can be on format: - %% A - {hstring, String}, where String is a hexadecimal string. - %% B - {bstring, String}, where String is a string on bit format - %% C - #'Externalvaluereference'{value=V}, where V is a defined value - %% D - list of #'Externalvaluereference', where each value component - %% is an identifier corresponing to NamedBits in Type. - %% E - list of ones and zeros, if Value already is normalized. +normalize_integer(S, _, _) -> + asn1_error(S, illegal_integer_value). + +%% normalize_bitstring(S, Value, Type) -> bitstring() +%% Convert a literal value for a BIT STRING to an Erlang bit string. +%% +normalize_bitstring(S, Value, Type)-> case Value of {hstring,String} when is_list(String) -> - hstring_to_int(String); + hstring_to_bitstring(String); {bstring,String} when is_list(String) -> - bstring_to_bitlist(String); - Rec when is_record(Rec,'Externalvaluereference') -> - get_normalized_value(S,Value,Type, - fun normalize_bitstring/3,[]); - RecList when is_list(RecList) -> - case Type of - NBL when is_list(NBL) -> - F = fun(#'Externalvaluereference'{value=Name}) -> - case lists:keysearch(Name,1,NBL) of - {value,{Name,_}} -> - Name; - Other -> - throw({error,Other}) - end; - (I) when I =:= 1; I =:= 0 -> - I; - (Other) -> - throw({error,Other}) - end, - case catch lists:map(F,RecList) of - {error,Reason} -> - asn1ct:warning("default value not " - "compatible with type definition ~p~n", - [Reason],S, - "default value not " - "compatible with type definition"), - Value; - NewList -> - NewList - end; + bstring_to_bitstring(String); + #'Externalvaluereference'{} -> + Val = get_referenced_value(S, Value), + normalize_bitstring(S, Val, Type); + {'ValueFromObject',{object,Obj},FieldNames} -> + case extract_field(S, Obj, FieldNames) of + #valuedef{value=Val} -> + normalize_bitstring(S, Val, Type); _ -> - asn1ct:warning("default value not " - "compatible with type definition ~p~n", - [RecList],S, - "default value not " - "compatible with type definition"), - Value + asn1_error(S, {illegal_value, "BIT STRING"}) end; - {Name,String} when is_atom(Name) -> - normalize_bitstring(S,String,Type); - Other -> - asn1ct:warning("illegal default value ~p~n",[Other],S, - "illegal default value"), - Value + RecList when is_list(RecList) -> + [normalize_bs_item(S, Item, Type) || Item <- RecList]; + Bs when is_bitstring(Bs) -> + %% Already normalized. + Bs; + _ -> + asn1_error(S, {illegal_value, "BIT STRING"}) end. -hstring_to_int(L) when is_list(L) -> - hstring_to_int(L,0). -hstring_to_int([H|T],Acc) when H >= $A, H =< $F -> - hstring_to_int(T,(Acc bsl 4) + (H - $A + 10) ) ; -hstring_to_int([H|T],Acc) when H >= $0, H =< $9 -> - hstring_to_int(T,(Acc bsl 4) + (H - $0)); -hstring_to_int([],Acc) -> - Acc. +normalize_bs_item(S, #'Externalvaluereference'{value=Name}, Type) -> + case lists:keymember(Name, 1, Type) of + true -> Name; + false -> asn1_error(S, {illegal_value, "BIT STRING"}) + end; +normalize_bs_item(_, Atom, _) when is_atom(Atom) -> + Atom; +normalize_bs_item(S, _, _) -> + asn1_error(S, {illegal_value, "BIT STRING"}). -bstring_to_bitlist([H|T]) when H == $0; H == $1 -> - [H - $0 | bstring_to_bitlist(T)]; -bstring_to_bitlist([]) -> - []. +hstring_to_binary(L) -> + byte_align(hstring_to_bitstring(L)). + +bstring_to_binary(L) -> + byte_align(bstring_to_bitstring(L)). + +byte_align(Bs) -> + case bit_size(Bs) rem 8 of + 0 -> Bs; + N -> <<Bs/bitstring,0:(8-N)>> + end. + +hstring_to_bitstring(L) -> + << <<(hex_to_int(D)):4>> || D <- L >>. + +bstring_to_bitstring(L) -> + << <<(D-$0):1>> || D <- L >>. + +hex_to_int(D) when $0 =< D, D =< $9 -> D - $0; +hex_to_int(D) when $A =< D, D =< $F -> D - ($A - 10). %% normalize_octetstring/1 changes representation of input Value to a %% list of octets. @@ -2596,69 +2121,35 @@ bstring_to_bitlist([]) -> %% {bstring,String} each element in String corresponds to one bit in an octet %% {hstring,String} each element in String corresponds to one byte in an octet %% #'Externalvaluereference' -normalize_octetstring(S,Value,CType) -> +normalize_octetstring(S, Value) -> case Value of {bstring,String} -> - bstring_to_octetlist(String); + bstring_to_binary(String); {hstring,String} -> - hstring_to_octetlist(String); - Rec when is_record(Rec,'Externalvaluereference') -> - get_normalized_value(S,Value,CType, - fun normalize_octetstring/3,[]); - {Name,String} when is_atom(Name) -> - normalize_octetstring(S,String,CType); - List when is_list(List) -> - %% check if list elements are valid octet values - lists:map(fun([])-> ok; - (H)when H > 255-> - asn1ct:warning("not legal octet value ~p in OCTET STRING, ~p~n", - [H,List],S, - "not legal octet value ~p in OCTET STRING"); - (_)-> ok - end, List), - List; - Other -> - asn1ct:warning("unknown default value ~p~n",[Other],S, - "unknown default value"), - Value + hstring_to_binary(String); + #'Externalvaluereference'{} -> + case get_referenced_value(S, Value) of + String when is_binary(String) -> + String; + Other -> + normalize_octetstring(S, Other) + end; + {'ValueFromObject',{object,Obj},FieldNames} -> + case extract_field(S, Obj, FieldNames) of + #valuedef{value=Val} when is_binary(Val) -> + Val; + _ -> + asn1_error(S, illegal_octet_string_value) + end; + _ -> + asn1_error(S, illegal_octet_string_value) end. - -bstring_to_octetlist([]) -> - []; -bstring_to_octetlist([H|T]) when H == $0 ; H == $1 -> - bstring_to_octetlist(T,6,[(H - $0) bsl 7]). -bstring_to_octetlist([H|T],0,[Hacc|Tacc]) when H == $0; H == $1 -> - bstring_to_octetlist(T, 7, [0,Hacc + (H -$0)| Tacc]); -bstring_to_octetlist([H|T],BSL,[Hacc|Tacc]) when H == $0; H == $1 -> - bstring_to_octetlist(T, BSL-1, [Hacc + ((H - $0) bsl BSL)| Tacc]); -bstring_to_octetlist([],7,[0|Acc]) -> - lists:reverse(Acc); -bstring_to_octetlist([],_,Acc) -> - lists:reverse(Acc). - -hstring_to_octetlist([]) -> - []; -hstring_to_octetlist(L) -> - hstring_to_octetlist(L,4,[]). -hstring_to_octetlist([H|T],0,[Hacc|Tacc]) when H >= $A, H =< $F -> - hstring_to_octetlist(T,4,[Hacc + (H - $A + 10)|Tacc]); -hstring_to_octetlist([H|T],BSL,Acc) when H >= $A, H =< $F -> - hstring_to_octetlist(T,0,[(H - $A + 10) bsl BSL|Acc]); -hstring_to_octetlist([H|T],0,[Hacc|Tacc]) when H >= $0; H =< $9 -> - hstring_to_octetlist(T,4,[Hacc + (H - $0)|Tacc]); -hstring_to_octetlist([H|T],BSL,Acc) when H >= $0; H =< $9 -> - hstring_to_octetlist(T,0,[(H - $0) bsl BSL|Acc]); -hstring_to_octetlist([],_,Acc) -> - lists:reverse(Acc). - normalize_objectidentifier(S, Value) -> - {ok,Val} = validate_objectidentifier(S, o_id, Value, []), - Val. + validate_objectidentifier(S, o_id, Value). -normalize_relative_oid(S,Value) -> - {ok,Val} = validate_objectidentifier(S, rel_oid, Value, []), - Val. +normalize_relative_oid(S, Value) -> + validate_objectidentifier(S, rel_oid, Value). normalize_objectdescriptor(Value) -> Value. @@ -2666,51 +2157,36 @@ normalize_objectdescriptor(Value) -> normalize_real(Value) -> Value. -normalize_enumerated(S, Id, {Base,Ext}) -> +normalize_enumerated(S, Id0, NNL) -> + {Id,_} = lookup_enum_value(S, Id0, NNL), + Id. + +lookup_enum_value(S, Id, {Base,Ext}) -> %% Extensible ENUMERATED. - normalize_enumerated(S, Id, Base++Ext); -normalize_enumerated(S, #'Externalvaluereference'{value=Id}, - NamedNumberList) -> - normalize_enumerated(S, Id, NamedNumberList); -normalize_enumerated(S, Id, NamedNumberList) when is_atom(Id) -> - case lists:keymember(Id, 1, NamedNumberList) of - true -> - Id; + lookup_enum_value(S, Id, Base++Ext); +lookup_enum_value(S, #'Externalvaluereference'{value=Id}, NNL) -> + lookup_enum_value(S, Id, NNL); +lookup_enum_value(S, Id, NNL) when is_atom(Id) -> + case lists:keyfind(Id, 1, NNL) of + {_,_}=Ret -> + Ret; false -> - throw(asn1_error(S, S#state.value, {undefined,Id})) + asn1_error(S, {undefined,Id}) end. -normalize_choice(S,{'CHOICE',{C,V}},CType,NameList) when is_atom(C) -> - case catch lists:keysearch(C,#'ComponentType'.name,CType) of - {value,#'ComponentType'{typespec=CT,name=Name}} -> - {C,normalize_value(S,CT,{'DEFAULT',V}, - [Name|NameList])}; - Other -> - asn1ct:warning("Wrong format of type/value ~p/~p~n",[Other,V],S, - "Wrong format of type/value"), - {C,V} +normalize_choice(S, {'CHOICE',{C,V}}, CType, NameList) + when is_atom(C) -> + case lists:keyfind(C, #'ComponentType'.name, CType) of + #'ComponentType'{typespec=CT,name=Name} -> + {C,normalize_value(S, CT, {'DEFAULT',V}, [Name|NameList])}; + false -> + asn1_error(S, {illegal_id,C}) end; -normalize_choice(S,{'DEFAULT',ValueList},CType,NameList) when is_list(ValueList) -> - lists:map(fun(X)-> normalize_choice(S,X,CType,NameList) end, ValueList); -normalize_choice(S,Val=#'Externalvaluereference'{},CType,NameList) -> - {M,#valuedef{value=V}}=get_referenced_type(S,Val), - normalize_choice(update_state(S,M),{'CHOICE',V},CType,NameList); -% get_normalized_value(S,Val,CType,fun normalize_choice/4,[NameList]); -normalize_choice(S,CV={Name,_ChoiceVal},CType,NameList) +normalize_choice(S,CV={Name,_ChoiceVal},CType,NameList) when is_atom(Name) -> -% normalize_choice(S,ChoiceVal,CType,NameList). normalize_choice(S,{'CHOICE',CV},CType,NameList); -normalize_choice(_S,V,_CType,_NameList) -> - exit({error,{bad_choice_value,V}}). - -%% normalize_choice(NameList,S,CVal = {'CHOICE',{_,_}},CType,_) -> -%% normalize_choice(S,CVal,CType,NameList); -%% normalize_choice(NameList,S,CVal={'DEFAULT',VL},CType,_) when is_list(VL)-> -%% normalize_choice(S,CVal,CType,NameList); -%% normalize_choice(NameList,S,CV={Name,_CV},CType,_) when is_atom(Name)-> -%% normalize_choice(S,{'CHOICE',CV},CType,NameList); -%% normalize_choice(_,_S,V,_,_) -> -%% V. +normalize_choice(S, V, _CType, _NameList) -> + asn1_error(S, {illegal_id, error_value(V)}). normalize_sequence(S,Value,Components,NameList) when is_tuple(Components) -> @@ -2737,20 +2213,20 @@ normalize_set(S,Value,Components,NameList) -> normalized_record('SET',S,SortedVal,Components,NameList) end. -sort_value(Components,Value) -> - ComponentNames = lists:map(fun(#'ComponentType'{name=Cname}) -> Cname end, - Components), - sort_value1(ComponentNames,Value,[]). -sort_value1(_,V=#'Externalvaluereference'{},_) -> - %% sort later, get the value in normalize_seq_or_set - V; -sort_value1([N|Ns],Value,Acc) -> - case lists:keysearch(N,1,Value) of - {value,V} ->sort_value1(Ns,Value,[V|Acc]); - _ -> sort_value1(Ns,Value,Acc) - end; -sort_value1([],_,Acc) -> - lists:reverse(Acc). +sort_value(Components, Value0) when is_list(Value0) -> + {Keys0,_} = lists:mapfoldl(fun(#'ComponentType'{name=N}, I) -> + {{N,I},I+1} + end, 0, Components), + Keys = gb_trees:from_orddict(orddict:from_list(Keys0)), + Value1 = [{case gb_trees:lookup(N, Keys) of + {value,K} -> K; + none -> 'end' + end,Pair} || {#seqtag{val=N},_}=Pair <- Value0], + Value = lists:sort(Value1), + [Pair || {_,Pair} <- Value]; +sort_value(_Components, #'Externalvaluereference'{}=Value) -> + %% Sort later. + Value. sort_val_if_set(['SET'|_],Val,Type) -> sort_value(Type,Val); @@ -2765,12 +2241,9 @@ normalized_record(SorS,S,Value,Components,NameList) -> Value; _ -> NoComps = length(Components), - case normalize_seq_or_set(SorS,S,Value,Components,NameList,[]) of - ListOfVals when length(ListOfVals) == NoComps -> - list_to_tuple([NewName|ListOfVals]); - _ -> - error({type,{illegal,default,value,Value},S}) - end + ListOfVals = normalize_seq_or_set(SorS,S,Value,Components,NameList,[]), + NoComps = length(ListOfVals), %% Assert + list_to_tuple([NewName|ListOfVals]) end. is_record_normalized(S,Name,V = #'Externalvaluereference'{},NumComps) -> case get_referenced_type(S,V) of @@ -2783,10 +2256,11 @@ is_record_normalized(_S,Name,Value,NumComps) when is_tuple(Value) -> is_record_normalized(_,_,_,_) -> false. -normalize_seq_or_set(SorS,S,[{Cname,V}|Vs], +normalize_seq_or_set(SorS, S, + [{#seqtag{val=Cname},V}|Vs], [#'ComponentType'{name=Cname,typespec=TS}|Cs], - NameList,Acc) -> - NewNameList = + NameList, Acc) -> + NewNameList = case TS#type.def of #'Externaltypereference'{type=TName} -> [TName]; @@ -2794,24 +2268,26 @@ normalize_seq_or_set(SorS,S,[{Cname,V}|Vs], end, NVal = normalize_value(S,TS,{'DEFAULT',V},NewNameList), normalize_seq_or_set(SorS,S,Vs,Cs,NameList,[NVal|Acc]); -normalize_seq_or_set(SorS,S,Values=[{_Cname1,_V}|_Vs], +normalize_seq_or_set(SorS, S, + Values=[{#seqtag{val=Cname0},_V}|_Vs], [#'ComponentType'{prop='OPTIONAL'}|Cs], - NameList,Acc) -> + NameList, Acc) -> + verify_valid_component(S, Cname0, Cs), normalize_seq_or_set(SorS,S,Values,Cs,NameList,[asn1_NOVALUE|Acc]); -normalize_seq_or_set(SorS,S,Values=[{_Cname1,_V}|_Vs], - [#'ComponentType'{name=Cname2,typespec=TS, - prop={'DEFAULT',Value}}|Cs], - NameList,Acc) -> - NewNameList = +normalize_seq_or_set(SorS, S, + Values=[{#seqtag{val=Cname0},_V}|_Vs], + [#'ComponentType'{name=Cname,typespec=TS, + prop={'DEFAULT',Value}}|Cs], + NameList, Acc) -> + verify_valid_component(S, Cname0, Cs), + NewNameList = case TS#type.def of #'Externaltypereference'{type=TName} -> [TName]; - _ -> [Cname2|NameList] + _ -> [Cname|NameList] end, NVal = normalize_value(S,TS,{'DEFAULT',Value},NewNameList), normalize_seq_or_set(SorS,S,Values,Cs,NameList,[NVal|Acc]); -normalize_seq_or_set(_SorS,_S,[],[],_,Acc) -> - lists:reverse(Acc); %% If default value is {} ComponentTypes in SEQUENCE are marked DEFAULT %% or OPTIONAL (or the type is defined SEQUENCE{}, which is handled by %% the previous case). @@ -2834,9 +2310,23 @@ normalize_seq_or_set(SorS,S,Value=#'Externalvaluereference'{}, Cs,NameList,Acc) -> get_normalized_value(S,Value,Cs,fun normalize_seq_or_set/6, [SorS,NameList,Acc]); -normalize_seq_or_set(_SorS,S,V,_,_,_) -> - error({type,{illegal,default,value,V},S}). - +normalize_seq_or_set(_SorS, _S, [], [], _, Acc) -> + lists:reverse(Acc); +normalize_seq_or_set(_SorS, S, V, Cs, _, _) -> + case V of + [{#seqtag{val=Name},_}|_] -> + asn1_error(S, {illegal_id,error_value(Name)}); + [] -> + [#'ComponentType'{name=Name}|_] = Cs, + asn1_error(S, {missing_id,error_value(Name)}) + end. + +verify_valid_component(S, Name, Cs) -> + case lists:keyfind(Name, #'ComponentType'.name, Cs) of + false -> asn1_error(S, {illegal_id,error_value(Name)}); + #'ComponentType'{} -> ok + end. + normalize_seqof(S,Value,Type,NameList) -> normalize_s_of('SEQUENCE OF',S,Value,Type,NameList). @@ -2892,10 +2382,7 @@ normalize_restrictedstring(_S,CString,_) when is_list(CString) -> %% definedvalue case or argument in a parameterized type normalize_restrictedstring(S,ERef,CType) when is_record(ERef,'Externalvaluereference') -> get_normalized_value(S,ERef,CType, - fun normalize_restrictedstring/3,[]); -%% -normalize_restrictedstring(S,{Name,Val},CType) when is_atom(Name) -> - normalize_restrictedstring(S,Val,CType). + fun normalize_restrictedstring/3,[]). normalize_objectclassfieldvalue(S,{opentypefieldvalue,Type,Value},NameList) -> %% An open type has per definition no type. Thus should the type @@ -2943,6 +2430,8 @@ call_Func(S,Val,Type,Func,ArgList) -> get_canonic_type(S,Type,NameList) -> {InnerType,NewType,NewNameList} = case Type#type.def of + 'INTEGER'=Name -> + {Name,[],NameList}; Name when is_atom(Name) -> {Name,Type,NameList}; Ref when is_record(Ref,'Externaltypereference') -> @@ -2963,8 +2452,7 @@ get_canonic_type(S,Type,NameList) -> check_ptype(S,Type,Ts) when is_record(Ts,type) -> - %Tag = Ts#type.tag, - %Constr = Ts#type.constraint, + check_formal_parameters(S, Type#ptypedef.args), Def = Ts#type.def, NewDef= case Def of @@ -2990,6 +2478,16 @@ check_ptype(S,Type,Ts) when is_record(Ts,type) -> check_ptype(_S,_PTDef,Ts) when is_record(Ts,objectclass) -> throw({asn1_param_class,Ts}). +check_formal_parameters(S, Args) -> + _ = [check_formal_parameter(S, A) || A <- Args], + ok. + +check_formal_parameter(_, {_,_}) -> + ok; +check_formal_parameter(_, #'Externaltypereference'{}) -> + ok; +check_formal_parameter(S, #'Externalvaluereference'{value=Name}) -> + asn1_error(S, {illegal_typereference,Name}). % check_type(S,Type,ObjSpec={{objectclassname,_},_}) -> % check_class(S,ObjSpec); @@ -3001,7 +2499,7 @@ check_type(_S,Type,Ts) when is_record(Type,typedef), Ts; check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> {Def,Tag,Constr,IsInlined} = - case match_parameters(S,Ts#type.def,S#state.parameters) of + case match_parameter(S, Ts#type.def) of #type{tag=PTag,constraint=_Ctmp,def=Dtmp,inlined=Inl} -> {Dtmp,merge_tags(Ts#type.tag,PTag),Ts#type.constraint,Inl}; #typedef{typespec=#type{tag=PTag,def=Dtmp,inlined=Inl}} -> @@ -3013,16 +2511,16 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> inlined=IsInlined}, TestFun = fun(Tref) -> - MaybeChoice = get_non_typedef(S, Tref), + {_, MaybeChoice} = get_referenced_type(S, Tref, true), case catch((MaybeChoice#typedef.typespec)#type.def) of {'CHOICE',_} -> - maybe_illicit_implicit_tag(choice,Tag); + maybe_illicit_implicit_tag(S, choice, Tag); 'ANY' -> - maybe_illicit_implicit_tag(open_type,Tag); + maybe_illicit_implicit_tag(S, open_type, Tag); 'ANY DEFINED BY' -> - maybe_illicit_implicit_tag(open_type,Tag); + maybe_illicit_implicit_tag(S, open_type, Tag); 'ASN1_OPEN_TYPE' -> - maybe_illicit_implicit_tag(open_type,Tag); + maybe_illicit_implicit_tag(S, open_type, Tag); _ -> Tag end @@ -3031,15 +2529,15 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> case Def of Ext when is_record(Ext,'Externaltypereference') -> {RefMod,RefTypeDef,IsParamDef} = - case get_referenced_type(S,Ext) of + case get_referenced_type(S, Ext) of {undefined,TmpTDef} -> %% A parameter {get(top_module),TmpTDef,true}; {TmpRefMod,TmpRefDef} -> {TmpRefMod,TmpRefDef,false} end, - case is_class(S,RefTypeDef) of - true -> throw({asn1_class,RefTypeDef}); - _ -> ok + case get_class_def(S, RefTypeDef) of + none -> ok; + #classdef{} -> throw({asn1_class,RefTypeDef}) end, Ct = TestFun(Ext), {RefType,ExtRef} = @@ -3055,7 +2553,6 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> NewS = S#state{mname=RefMod, module=load_asn1_module(S,RefMod), tname=get_datastr_name(NewRefTypeDef1), - type=NewRefTypeDef1, abscomppath=[],recordtopname=[]}, RefType1 = check_type(NewS,RefTypeDef,RefTypeDef#typedef.typespec), @@ -3075,18 +2572,17 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> Key); _ -> ok end, + Pos = Ext#'Externaltypereference'.pos, {RefType1,#'Externaltypereference'{module=RefMod, + pos=Pos, type=TmpName}} end, case asn1ct_gen:prim_bif(asn1ct_gen:get_inner(RefType#type.def)) of true -> %% Here we expand to a built in type and inline it - NewS2 = S#state{type=#typedef{typespec=RefType}}, - NewC = - constraint_merge(NewS2, - check_constraints(NewS2,Constr)++ - RefType#type.constraint), + NewC = check_constraints(S, RefType, Constr ++ + RefType#type.constraint), TempNewDef#newt{ type = RefType#type.def, tag = merge_tags(Ct,RefType#type.tag), @@ -3097,27 +2593,20 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> NewExt = ExtRef#'Externaltypereference'{module=merged_mod(S,RefMod,Ext)}, TempNewDef#newt{ type = check_externaltypereference(S,NewExt), - tag = case S#state.erule of - ber -> - merge_tags(Ct,RefType#type.tag); - _ -> - Ct - end - } + tag = merge_tags(Ct,RefType#type.tag)} end; 'ANY' -> - Ct=maybe_illicit_implicit_tag(open_type,Tag), + Ct = maybe_illicit_implicit_tag(S, open_type, Tag), TempNewDef#newt{type='ASN1_OPEN_TYPE',tag=Ct}; {'ANY_DEFINED_BY',_} -> - Ct=maybe_illicit_implicit_tag(open_type,Tag), + Ct = maybe_illicit_implicit_tag(S, open_type, Tag), TempNewDef#newt{type='ASN1_OPEN_TYPE',tag=Ct}; 'INTEGER' -> - check_integer(S,[],Constr), TempNewDef#newt{tag= merge_tags(Tag,?TAG_PRIMITIVE(?N_INTEGER))}; {'INTEGER',NamedNumberList} -> - TempNewDef#newt{type={'INTEGER',check_integer(S,NamedNumberList,Constr)}, + TempNewDef#newt{type={'INTEGER',check_integer(S,NamedNumberList)}, tag= merge_tags(Tag,?TAG_PRIMITIVE(?N_INTEGER))}; 'REAL' -> @@ -3125,8 +2614,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> TempNewDef#newt{tag=merge_tags(Tag,?TAG_PRIMITIVE(?N_REAL))}; {'BIT STRING',NamedNumberList} -> - NewL = check_bitstring(S,NamedNumberList,Constr), -%% erlang:display({asn1ct_check,NamedNumberList,NewL}), + NewL = check_bitstring(S, NamedNumberList), TempNewDef#newt{type={'BIT STRING',NewL}, tag= merge_tags(Tag,?TAG_PRIMITIVE(?N_BIT_STRING))}; @@ -3158,7 +2646,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> {'ENUMERATED',NamedNumberList} -> TempNewDef#newt{type= {'ENUMERATED', - check_enumerated(S,NamedNumberList,Constr)}, + check_enumerated(S, NamedNumberList)}, tag= merge_tags(Tag,?TAG_PRIMITIVE(?N_ENUMERATED)), constraint=[]}; @@ -3261,7 +2749,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> tag= merge_tags(Tag,?TAG_CONSTRUCTED(?N_SEQUENCE))}; {'CHOICE',Components} -> - Ct = maybe_illicit_implicit_tag(choice,Tag), + Ct = maybe_illicit_implicit_tag(S, choice, Tag), TempNewDef#newt{type={'CHOICE',check_choice(S,Type,Components)},tag=Ct}; Set when is_record(Set,'SET') -> RecordName= @@ -3284,12 +2772,6 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> TempNewDef#newt{type={'SET OF',check_setof(S,Type,Components)}, tag= merge_tags(Tag,?TAG_CONSTRUCTED(?N_SET))}; - %% This is a temporary hack until the full Information Obj Spec - %% in X.681 is supported - {#'Externaltypereference'{type='TYPE-IDENTIFIER'}, - [{typefieldreference,_,'Type'}]} -> - Ct=maybe_illicit_implicit_tag(open_type,Tag), - TempNewDef#newt{type='ASN1_OPEN_TYPE',tag=Ct}; {pt,Ptype,ParaList} -> %% Ptype might be a parameterized - type, object set or @@ -3297,18 +2779,18 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> %% calling function. {_RefMod,Ptypedef} = get_referenced_type(S,Ptype), notify_if_not_ptype(S,Ptypedef), - NewParaList = - [match_parameters(S,TmpParam,S#state.parameters)|| - TmpParam <- ParaList], + NewParaList = match_parameters(S, ParaList), Instance = instantiate_ptype(S,Ptypedef,NewParaList), TempNewDef#newt{type=Instance#type.def, tag=merge_tags(Tag,Instance#type.tag), constraint=Instance#type.constraint, inlined=yes}; - OCFT=#'ObjectClassFieldType'{classname=ClRef} -> + #'ObjectClassFieldType'{classname=ClRef0}=OCFT0 -> %% this case occures in a SEQUENCE when %% the type of the component is a ObjectClassFieldType + ClRef = match_parameter(S, ClRef0), + OCFT = OCFT0#'ObjectClassFieldType'{classname=ClRef}, ClassSpec = check_class(S,ClRef), NewTypeDef = maybe_open_type(S,ClassSpec, @@ -3318,16 +2800,18 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> Ct = case is_open_type(NewTypeDef) of true -> - maybe_illicit_implicit_tag(open_type,MergedTag); + maybe_illicit_implicit_tag(S, open_type, MergedTag); _ -> MergedTag end, case TopName of [] when Type#typedef.name =/= undefined -> %% This is a top-level type. - #type{def=Simplified} = - simplify_type(#type{def=NewTypeDef}), - TempNewDef#newt{type=Simplified,tag=Ct}; + #type{constraint=C,def=Simplified} = + simplify_type(#type{def=NewTypeDef, + constraint=Constr}), + TempNewDef#newt{type=Simplified,tag=Ct, + constraint=C}; _ -> TempNewDef#newt{type=NewTypeDef,tag=Ct} end; @@ -3337,33 +2821,21 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) -> TempNewDef#newt{tag=merge_tags(Tag,CheckedT#type.tag), type=CheckedT#type.def}; - {valueset,Vtype} -> - TempNewDef#newt{type={valueset,check_type(S,Type,Vtype)}}; {'SelectionType',Name,T} -> CheckedT = check_selectiontype(S,Name,T), TempNewDef#newt{tag=merge_tags(Tag,CheckedT#type.tag), type=CheckedT#type.def}; - Other -> - exit({'cant check' ,Other}) + 'ASN1_OPEN_TYPE' -> + TempNewDef end, #newt{type=TDef,tag=NewTags,constraint=NewConstr,inlined=Inlined} = NewDef, Ts#type{def=TDef, inlined=Inlined, - constraint=check_constraints(S, NewConstr), + constraint=check_constraints(S, #type{def=TDef}, NewConstr), tag=lists:map(fun(#tag{type={default,TTx}}=TempTag) -> TempTag#tag{type=TTx}; (Other) -> Other - end, NewTags)}; -check_type(_S,Type,Ts) -> - exit({error,{asn1,internal_error,Type,Ts}}). - -get_non_typedef(S, Tref0) -> - case get_referenced_type(S, Tref0) of - {_,#typedef{typespec=#type{def=#'Externaltypereference'{}=Tref}}} -> - get_non_typedef(S, Tref); - {_,Type} -> - Type - end. + end, NewTags)}. %% @@ -3379,10 +2851,11 @@ simplify_comp(#'ComponentType'{typespec=Type0}=C) -> C#'ComponentType'{typespec=Type}; simplify_comp(Other) -> Other. -simplify_type(#type{tag=Tag,def=Inner}=T) -> +simplify_type(#type{tag=Tag,def=Inner,constraint=Constr0}=T) -> case Inner of - #'ObjectClassFieldType'{type={fixedtypevaluefield,_,Type}} -> - Type#type{tag=Tag}; + #'ObjectClassFieldType'{type={fixedtypevaluefield,_,Type}}=OCFT -> + Constr = [{ocft,OCFT}|Type#type.constraint++Constr0], + Type#type{tag=Tag,constraint=Constr}; _ -> T end. @@ -3415,35 +2888,22 @@ get_innertag(_S,#'ObjectClassFieldType'{type=Type}) -> _ -> [] end. -get_type_from_object(S,Object,TypeField) - when is_record(Object,'Externaltypereference'); - is_record(Object,'Externalvaluereference') -> - {_,ObjectDef} = get_referenced_type(S,Object), - ObjSpec = check_object(S,ObjectDef,ObjectDef#typedef.typespec), - get_fieldname_element(S,ObjectDef#typedef{typespec=ObjSpec},TypeField). - -is_class(_S,#classdef{}) -> - true; -is_class(S,#typedef{typespec=#type{def=Eref}}) - when is_record(Eref,'Externaltypereference')-> - is_class(S,Eref); -is_class(S,Eref) when is_record(Eref,'Externaltypereference')-> - {_,NextDef} = get_referenced_type(S,Eref), - is_class(S,NextDef); -is_class(_,_) -> - false. - -get_class_def(_S,CD=#classdef{}) -> +%% get_class_def(S, Type) -> #classdef{} | 'none'. +get_class_def(S, #typedef{typespec=#type{def=#'Externaltypereference'{}=Eref}}) -> + {_,NextDef} = get_referenced_type(S, Eref, true), + get_class_def(S, NextDef); +get_class_def(S, #'Externaltypereference'{}=Eref) -> + {_,NextDef} = get_referenced_type(S, Eref, true), + get_class_def(S, NextDef); +get_class_def(_S, #classdef{}=CD) -> CD; -get_class_def(S,#typedef{typespec=#type{def=Eref}}) - when is_record(Eref,'Externaltypereference') -> - {_,NextDef} = get_referenced_type(S,Eref), - get_class_def(S,NextDef). +get_class_def(_S, _) -> + none. -maybe_illicit_implicit_tag(Kind,Tag) -> +maybe_illicit_implicit_tag(S, Kind, Tag) -> case Tag of [#tag{type='IMPLICIT'}|_T] -> - throw({error,{asn1,{implicit_tag_before,Kind}}}); + asn1_error(S, {implicit_tag_before,Kind}); [ChTag = #tag{type={default,_}}|T] -> case Kind of open_type -> @@ -3470,19 +2930,24 @@ merged_mod(S,RefMod,Ext) -> %% any UNIQUE field, so that a component relation constraint cannot specify %% the type of a typefield, return 'ASN1_OPEN_TYPE'. %% -maybe_open_type(S,ClassSpec=#objectclass{fields=Fs}, - OCFT=#'ObjectClassFieldType'{fieldname=FieldRefList}, +maybe_open_type(_, _, #'ObjectClassFieldType'{fieldname={_,_}}=OCFT, _) -> + %% Already converted. + OCFT; +maybe_open_type(S, #objectclass{fields=Fs}=ClassSpec, + #'ObjectClassFieldType'{fieldname=FieldRefList}=OCFT, Constr) -> - Type = get_ObjectClassFieldType(S,Fs,FieldRefList), - FieldNames=get_referenced_fieldname(FieldRefList), - case last_fieldname(FieldRefList) of + Type = get_OCFType(S, Fs, FieldRefList), + FieldNames = get_referenced_fieldname(FieldRefList), + case lists:last(FieldRefList) of {valuefieldreference,_} -> OCFT#'ObjectClassFieldType'{fieldname=FieldNames, type=Type}; {typefieldreference,_} -> - case {catch get_unique_fieldname(S,#classdef{typespec=ClassSpec}), - asn1ct_gen:get_constraint(Constr,componentrelation)}of - {Tuple,_} when tuple_size(Tuple) =:= 3 -> + %% Note: The constraints have not been checked yet, + %% so we must use a special lookup routine. + case {get_unique_fieldname(S, #classdef{typespec=ClassSpec}), + get_componentrelation(Constr)} of + {no_unique,_} -> OCFT#'ObjectClassFieldType'{fieldname=FieldNames, type='ASN1_OPEN_TYPE'}; {_,no} -> @@ -3494,16 +2959,12 @@ maybe_open_type(S,ClassSpec=#objectclass{fields=Fs}, end end. -last_fieldname(FieldRefList) when is_list(FieldRefList) -> - lists:last(FieldRefList); -last_fieldname({FieldName,_}) when is_atom(FieldName) -> - [A|_] = atom_to_list(FieldName), - case is_lowercase(A) of - true -> - {valuefieldreference,FieldName}; - _ -> - {typefieldreference,FieldName} - end. +get_componentrelation([{element_set,{componentrelation,_,_}=Cr,none}|_]) -> + Cr; +get_componentrelation([_|T]) -> + get_componentrelation(T); +get_componentrelation([]) -> + no. is_open_type(#'ObjectClassFieldType'{type='ASN1_OPEN_TYPE'}) -> true; @@ -3542,35 +3003,19 @@ notify_if_not_ptype(S,#pobjectsetdef{class=Cl}) -> _ -> throw(pobjectsetdef) end; -notify_if_not_ptype(_S,PT) -> - throw({error,{"supposed to be a parameterized type",PT}}). -% fix me +notify_if_not_ptype(S, PT) -> + asn1_error(S, {param_bad_type, error_value(PT)}). + instantiate_ptype(S,Ptypedef,ParaList) -> #ptypedef{args=Args,typespec=Type} = Ptypedef, NewType = check_ptype(S,Ptypedef,Type#type{inlined=yes}), MatchedArgs = match_args(S,Args, ParaList, []), OldArgs = S#state.parameters, - NewS = S#state{type=NewType,parameters=MatchedArgs++OldArgs,abscomppath=[]}, -%% NewS = S#state{type=NewType,parameters=MatchedArgs,abscomppath=[]}, + NewS = S#state{parameters=MatchedArgs++OldArgs,abscomppath=[]}, check_type(NewS, Ptypedef#ptypedef{typespec=NewType}, NewType). -get_datastr_name(#typedef{name=N}) -> - N; -get_datastr_name(#classdef{name=N}) -> - N; -get_datastr_name(#valuedef{name=N}) -> - N; -get_datastr_name(#ptypedef{name=N}) -> - N; -get_datastr_name(#pvaluedef{name=N}) -> - N; -get_datastr_name(#pvaluesetdef{name=N}) -> - N; -get_datastr_name(#pobjectdef{name=N}) -> - N; -get_datastr_name(#pobjectsetdef{name=N}) -> - N. - +get_datastr_name(Type) -> + asn1ct:get_name_of_def(Type). get_pt_args(#ptypedef{args=Args}) -> Args; @@ -3638,116 +3083,56 @@ match_args(S,FA = [FormArg|Ft], AA = [ActArg|At], Acc) -> end; match_args(_S,[], [], Acc) -> lists:reverse(Acc); -match_args(_,_, _, _) -> - throw({error,{asn1,{wrong_number_of_arguments}}}). +match_args(S, _, _, _) -> + asn1_error(S, param_wrong_number_of_arguments). %%%%%%%%%%%%%%%%% %% categorize_arg(S,FormalArg,ActualArg) -> {FormalArg,CatgorizedActualArg} %% categorize_arg(S,{Governor,Param},ActArg) -> - case {governor_category(S,Governor),parameter_name_style(Param,ActArg)} of -%% {absent,beginning_uppercase} -> %% a type -%% categorize(S,type,ActArg); - {type,beginning_lowercase} -> %% a value - categorize(S,value,Governor,ActArg); - {type,beginning_uppercase} -> %% a value set - categorize(S,value_set,ActArg); -%% {absent,entirely_uppercase} -> %% a class -%% categorize(S,class,ActArg); + case {governor_category(S, Governor),parameter_name_style(Param)} of + {type,beginning_lowercase} -> %a value + categorize(S, value, Governor, ActArg); + {type,beginning_uppercase} -> %a value set + categorize(ActArg); {{class,ClassRef},beginning_lowercase} -> - categorize(S,object,ActArg,ClassRef); + categorize(S, object, ActArg, ClassRef); {{class,ClassRef},beginning_uppercase} -> - categorize(S,object_set,ActArg,ClassRef); - _ -> - [ActArg] + categorize(S, object_set, ActArg, ClassRef) end; -categorize_arg(S,FormalArg,ActualArg) -> - %% governor is absent => a type or a class - case FormalArg of - #'Externaltypereference'{type=Name} -> - case is_class_name(Name) of - true -> - categorize(S,class,ActualArg); - _ -> - categorize(S,type,ActualArg) - end; - FA -> - throw({error,{unexpected_formal_argument,FA}}) - end. - -governor_category(S,#type{def=Eref}) - when is_record(Eref,'Externaltypereference') -> - governor_category(S,Eref); -governor_category(_S,#type{}) -> +categorize_arg(_S, _FormalArg, ActualArg) -> + %% Governor is absent -- must be a type or a class. We have already + %% checked that the FormalArg begins with an uppercase letter. + categorize(ActualArg). + +%% governor_category(S, Item) -> type | {class,#'Externaltypereference'{}} +%% Determine whether Item is a type or a class. +governor_category(S, #type{def=#'Externaltypereference'{}=Eref}) -> + governor_category(S, Eref); +governor_category(_S, #type{}) -> type; -governor_category(S,Ref) when is_record(Ref,'Externaltypereference') -> - case is_class(S,Ref) of - true -> - {class,Ref}; - _ -> +governor_category(S, #'Externaltypereference'{}=Ref) -> + case get_class_def(S, Ref) of + #classdef{pos=Pos,module=Mod,name=Name} -> + {class,#'Externaltypereference'{pos=Pos,module=Mod,type=Name}}; + none -> type - end; -governor_category(_,Class) - when Class == 'TYPE-IDENTIFIER'; Class == 'ABSTRACT-SYNTAX' -> - class. -%% governor_category(_,_) -> -%% absent. + end. %% parameter_name_style(Param,Data) -> Result %% gets the Parameter and the name of the Data and if it exists tells %% whether it begins with a lowercase letter or is partly or entirely %% spelled with uppercase letters. Otherwise returns undefined %% -parameter_name_style(_,#'Externaltypereference'{type=Name}) -> - name_category(Name); -parameter_name_style(_,#'Externalvaluereference'{value=Name}) -> - name_category(Name); -parameter_name_style(_,{valueset,_}) -> - %% It is a object set or value set +parameter_name_style(#'Externaltypereference'{}) -> beginning_uppercase; -parameter_name_style(#'Externalvaluereference'{},_) -> - beginning_lowercase; -parameter_name_style(#'Externaltypereference'{type=Name},_) -> - name_category(Name); -parameter_name_style(_,_) -> - undefined. +parameter_name_style(#'Externalvaluereference'{}) -> + beginning_lowercase. -name_category(Atom) when is_atom(Atom) -> - name_category(atom_to_list(Atom)); -name_category([H|T]) -> - case is_lowercase(H) of - true -> - beginning_lowercase; - _ -> - case is_class_name(T) of - true -> - entirely_uppercase; - _ -> - beginning_uppercase - end - end; -name_category(_) -> - undefined. - -is_lowercase(X) when X >= $A,X =< $W -> - false; -is_lowercase(_) -> - true. - -is_class_name(Name) when is_atom(Name) -> - is_class_name(atom_to_list(Name)); -is_class_name(Name) -> - case [X||X <- Name, X >= $a,X =< $w] of - [] -> - true; - _ -> - false - end. - -%% categorize(S,Category,Parameter) -> CategorizedParameter +%% categorize(Parameter) -> CategorizedParameter %% If Parameter has an abstract syntax of another category than %% Category, transform it to a known syntax. -categorize(_S,type,{object,_,Type}) -> +categorize({object,_,Type}) -> %% One example of this case is an object with a parameterized type %% having a locally defined type as parameter. Def = fun(D = #type{}) -> @@ -3759,11 +3144,12 @@ categorize(_S,type,{object,_,Type}) -> D end, [Def(X)||X<-Type]; -categorize(_S,type,Def) when is_record(Def,type) -> +categorize(#type{}=Def) -> [#typedef{name = new_reference_name("type_argument"), typespec = Def#type{inlined=yes}}]; -categorize(_,_,Def) -> +categorize(Def) -> [Def]. + categorize(S,object_set,Def,ClassRef) -> NewObjSetSpec = check_object(S,Def,#'ObjectSet'{class = ClassRef, @@ -3791,757 +3177,503 @@ parse_objectset(Set) -> Set. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% check_constraints/2 -%% -check_constraints(S,C) when is_list(C) -> - check_constraints(S, C, []). - -resolv_tuple_or_list(S,List) when is_list(List) -> - lists:map(fun(X)->resolv_value(S,X) end, List); -resolv_tuple_or_list(S,{Lb,Ub}) -> - {resolv_value(S,Lb),resolv_value(S,Ub)}. - -%%%----------------------------------------- -%% If the constraint value is a defined value the valuename -%% is replaced by the actual value %% -resolv_value(S,Val) -> - Id = match_parameters(S,Val, S#state.parameters), - resolv_value1(S,Id). +%% Check and simplify constraints. +%% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -resolv_value1(S, ERef = #'Externalvaluereference'{value=Name}) -> - case catch resolve_namednumber(S,S#state.type,Name) of - V when is_integer(V) -> V; - _ -> - case get_referenced_type(S,ERef) of - {Err,_Reason} when Err == error; Err == 'EXIT' -> - throw({error,{asn1,{undefined_type_or_value, - Name}}}); - {_M,VDef} -> - resolv_value1(S,VDef) - end - end; -resolv_value1(S, {gt,V}) -> - case resolv_value1(S, V) of - Int when is_integer(Int) -> - Int + 1; - Other -> - throw({error,{asn1,{not_integer_value,Other}}}) - end; -resolv_value1(S, {lt,V}) -> - case resolv_value1(S, V) of - Int when is_integer(Int) -> - Int - 1; - Other -> - throw({error,{asn1,{not_integer_value,Other}}}) - end; -resolv_value1(S,{'ValueFromObject',{object,Object},[{valuefieldreference, - FieldName}]}) -> - %% FieldName can hold either a fixed-type value or a variable-type value - %% Object is a DefinedObject, i.e. a #'Externaltypereference' - resolve_value_from_object(S,Object,FieldName); -resolv_value1(_,#valuedef{checked=true,value=V}) -> - V; -resolv_value1(S,#valuedef{type=_T, - value={'ValueFromObject',{object,Object}, - [{valuefieldreference, - FieldName}]}}) -> - resolve_value_from_object(S,Object,FieldName); -resolv_value1(S,VDef = #valuedef{}) -> - #valuedef{value=Val} = check_value(S,VDef), - Val; -resolv_value1(_,V) -> - V. -resolve_value_from_object(S,Object,FieldName) -> - {_,ObjTDef} = get_referenced_type(S,Object), - TS = check_object(S,ObjTDef,ObjTDef#typedef.typespec), - {_,_,Components} = TS#'Object'.def, - case lists:keysearch(FieldName,1,Components) of - {value,{_,#valuedef{value=Val}}} -> - Val; - _ -> - error({value,"illegal value in constraint",S}) +check_constraints(_S, _HostType, []) -> + []; +check_constraints(S, HostType0, [_|_]=Cs0) -> + HostType = get_real_host_type(HostType0, Cs0), + Cs1 = top_level_intersections(Cs0), + Cs2 = [coalesce_constraints(C) || C <- Cs1], + {_,Cs3} = filter_extensions(Cs2), + Cs = simplify_element_sets(S, HostType, Cs3), + finish_constraints(Cs). + +get_real_host_type(HostType, Cs) -> + case lists:keyfind(ocft, 1, Cs) of + false -> HostType; + {_,OCFT} -> HostType#type{def=OCFT} end. +top_level_intersections([{element_set,{intersection,_,_}=C,none}]) -> + top_level_intersections_1(C); +top_level_intersections(Cs) -> + Cs. + +top_level_intersections_1({intersection,A,B}) -> + [{element_set,A,none}|top_level_intersections_1(B)]; +top_level_intersections_1(Other) -> + [{element_set,Other,none}]. + +coalesce_constraints({element_set, + {Tag,{element_set,A,_}}, + {Tag,{element_set,B,_}}}) -> + %% (SIZE (C1), ..., (SIZE (C2)) => (SIZE (C1, ..., C2)) + {element_set,{Tag,{element_set,A,B}},none}; +coalesce_constraints(Other) -> + Other. + +%% Remove all outermost extensions except the last. + +filter_extensions([H0|T0]) -> + case filter_extensions(T0) of + {true,T} -> + H = remove_extension(H0), + {true,[H|T]}; + {false,T} -> + {any_extension(H0),[H0|T]} + end; +filter_extensions([]) -> + {false,[]}. +remove_extension({element_set,Root,_}) -> + {element_set,remove_extension(Root),none}; +remove_extension(Tuple) when is_tuple(Tuple) -> + L = [remove_extension(El) || El <- tuple_to_list(Tuple)], + list_to_tuple(L); +remove_extension(Other) -> Other. -resolve_namednumber(S,#typedef{typespec=Type},Name) -> - case Type#type.def of - {'ENUMERATED',NameList} -> - NamedNumberList=check_enumerated(S,NameList,Type#type.constraint), - N = normalize_enumerated(S,Name,NamedNumberList), - {value,{_,V}} = lists:keysearch(N,1,NamedNumberList), - V; - {'INTEGER',NameList} -> - NamedNumberList = check_enumerated(S,NameList,Type#type.constraint), - {value,{_,V}} = lists:keysearch(Name,1,NamedNumberList), - V; +any_extension({element_set,_,Ext}) when Ext =/= none -> + true; +any_extension(Tuple) when is_tuple(Tuple) -> + any_extension_tuple(1, Tuple); +any_extension(_) -> false. + +any_extension_tuple(I, T) when I =< tuple_size(T) -> + any_extension(element(I, T)) orelse any_extension_tuple(I+1, T); +any_extension_tuple(_, _) -> false. + +simplify_element_sets(S, HostType, [{element_set,R0,E0}|T0]) -> + R1 = simplify_element_set(S, HostType, R0), + E1 = simplify_element_set(S, HostType, E0), + case simplify_element_sets(S, HostType, T0) of + [{element_set,R2,E2}] -> + [{element_set,cs_intersection(S, R1, R2), + cs_intersection(S, E1, E2)}]; + L when is_list(L) -> + [{element_set,R1,E1}|L] + end; +simplify_element_sets(S, HostType, [H|T]) -> + [H|simplify_element_sets(S, HostType, T)]; +simplify_element_sets(_, _, []) -> + []. + +simplify_element_set(_S, _HostType, empty) -> + {set,[]}; +simplify_element_set(S, HostType, {'SingleValue',Vs0}) when is_list(Vs0) -> + Vs1 = [resolve_value(S, HostType, V) || V <- Vs0], + Vs = make_constr_set_vs(Vs1), + simplify_element_set(S, HostType, Vs); +simplify_element_set(S, HostType, {'SingleValue',V0}) -> + V1 = resolve_value(S, HostType, V0), + V = {set,[{range,V1,V1}]}, + simplify_element_set(S, HostType, V); +simplify_element_set(S, HostType, {'ValueRange',{Lb0,Ub0}}) -> + Lb = resolve_value(S, HostType, Lb0), + Ub = resolve_value(S, HostType, Ub0), + V = make_constr_set(S, Lb, Ub), + simplify_element_set(S, HostType, V); +simplify_element_set(S, HostType, {'ALL-EXCEPT',Set0}) -> + Set = simplify_element_set(S, HostType, Set0), + {'ALL-EXCEPT',Set}; +simplify_element_set(S, HostType, {intersection,A0,B0}) -> + A = simplify_element_set(S, HostType, A0), + B = simplify_element_set(S, HostType, B0), + cs_intersection(S, A, B); +simplify_element_set(S, HostType, {union,A0,B0}) -> + A = simplify_element_set(S, HostType, A0), + B = simplify_element_set(S, HostType, B0), + cs_union(S, A, B); +simplify_element_set(S, HostType, {simpletable,{element_set,Type,_}}) -> + check_simpletable(S, HostType, Type); +simplify_element_set(S, _, {componentrelation,R,Id}) -> + check_componentrelation(S, R, Id); +simplify_element_set(S, HostType, {Tag,{element_set,_,_}=El0}) -> + [El1] = simplify_element_sets(S, HostType, [El0]), + {Tag,El1}; +simplify_element_set(S, HostType, #type{}=Type) -> + simplify_element_set_type(S, HostType, Type); +simplify_element_set(_, _, C) -> + C. + +simplify_element_set_type(S, HostType, #type{def=Def0}=Type0) -> + #'Externaltypereference'{} = Def0, %Assertion. + case get_referenced_type(S, Def0) of + {_,#valuedef{checked=false,value={valueset,Vs0}}} -> + [Vs1] = simplify_element_sets(S, HostType, [Vs0]), + case Vs1 of + {element_set,Set,none} -> + Set; + {element_set,Set,{set,[]}} -> + Set + end; + {_,{valueset,#type{def=#'Externaltypereference'{}}=Type}} -> + simplify_element_set_type(S, HostType, Type); _ -> - not_enumerated + case HostType of + #type{def=#'ObjectClassFieldType'{}} -> + %% Open type. + #type{def=Def} = check_type(S, HostType, Type0), + Def; + _ -> + #type{constraint=Cs} = check_type(S, HostType, Type0), + C = convert_back(Cs), + simplify_element_set(S, HostType, C) + end end. - -check_constraints(S,[{'ContainedSubtype',Type} | Rest], Acc) -> - {RefMod,CTDef} = get_referenced_type(S,Type#type.def), - NewS = S#state{module=load_asn1_module(S,RefMod),mname=RefMod, - type=CTDef,tname=get_datastr_name(CTDef)}, - CType = check_type(NewS,S#state.tname,CTDef#typedef.typespec), - check_constraints(S,Rest,CType#type.constraint ++ Acc); -check_constraints(S,[C | Rest], Acc) -> - check_constraints(S,Rest,[check_constraint(S,C) | Acc]); -check_constraints(S,[],Acc) -> - constraint_merge(S,Acc). - - -range_check(F={FixV,FixV}) -> -% FixV; - F; -range_check(VR={Lb,Ub}) when Lb < Ub -> - VR; -range_check(Err={_,_}) -> - throw({error,{asn1,{illegal_size_constraint,Err}}}); -range_check(Value) -> - Value. -check_constraint(S,Ext) when is_record(Ext,'Externaltypereference') -> - check_externaltypereference(S,Ext); - - -check_constraint(S,{'SizeConstraint',{Lb,Ub}}) - when is_list(Lb); tuple_size(Lb) =:= 2 -> - NewLb = range_check(resolv_tuple_or_list(S,Lb)), - NewUb = range_check(resolv_tuple_or_list(S,Ub)), - {'SizeConstraint',{NewLb,NewUb}}; -check_constraint(S,{'SizeConstraint',{Lb,Ub}}) -> - case {resolv_value(S,Lb),resolv_value(S,Ub)} of - {FixV,FixV} -> - {'SizeConstraint',FixV}; - {Low,High} when Low < High -> - {'SizeConstraint',{Low,High}}; - Err -> - throw({error,{asn1,{illegal_size_constraint,Err}}}) - end; -check_constraint(S,{'SizeConstraint',Lb}) -> - {'SizeConstraint',resolv_value(S,Lb)}; +convert_back([H1,H2|T]) -> + {intersection,H1,convert_back([H2|T])}; +convert_back([H]) -> + H; +convert_back([]) -> + none. -check_constraint(S,{'SingleValue', L}) when is_list(L) -> - F = fun(A) -> resolv_value(S,A) end, - {'SingleValue',lists:sort(lists:map(F,L))}; - -check_constraint(S,{'SingleValue', V}) when is_integer(V) -> - Val = resolv_value(S,V), -%% [{'SingleValue',Val},{'ValueRange',{Val,Val}}]; % Why adding value range? - {'SingleValue',Val}; -check_constraint(S,{'SingleValue', V}) -> - {'SingleValue',resolv_value(S,V)}; - -check_constraint(S,{'ValueRange', {Lb, Ub}}) -> - {'ValueRange',{resolv_value(S,Lb),resolv_value(S,Ub)}}; -%% In case of a constraint with extension marks like (1..Ub,...) -check_constraint(S,{VR={'ValueRange', {_Lb, _Ub}},Rest}) -> - {check_constraint(S,VR),Rest}; -check_constraint(_S,{'PermittedAlphabet',PA}) -> - {'PermittedAlphabet',permitted_alphabet_cnstr(PA)}; - -check_constraint(S,{valueset,Type}) -> - {valueset,check_type(S,S#state.tname,Type)}; - -check_constraint(_S,ST={simpletable,Type}) when is_atom(Type) -> - %% An already checked constraint - ST; -check_constraint(S,{simpletable,Type}) -> +check_simpletable(S, HostType, Type) -> + case HostType of + #type{def=#'ObjectClassFieldType'{}} -> + ok; + _ -> + %% Table constraints may only be applied to + %% CLASS.&field constructs. + asn1_error(S, illegal_table_constraint) + end, Def = case Type of #type{def=D} -> D; - {'SingleValue',ObjRef = #'Externalvaluereference'{}} -> - ObjRef + {'SingleValue',#'Externalvaluereference'{}=ObjRef} -> + ObjRef; + _ -> + asn1_error(S, invalid_table_constraint) end, - C = match_parameters(S,Def,S#state.parameters), + C = match_parameter(S, Def), case C of #'Externaltypereference'{} -> - ERef = check_externaltypereference(S,C), + ERef = check_externaltypereference(S, C), {simpletable,ERef#'Externaltypereference'.type}; - #type{def=#'Externaltypereference'{type=T}} -> - check_externaltypereference(S,C#type.def), - {simpletable,T}; - {valueset,#type{def=ERef=#'Externaltypereference'{}}} -> % this is an object set - {_,TDef} = get_referenced_type(S,ERef), - case TDef#typedef.typespec of - #'ObjectSet'{} -> - check_object(S,TDef,TDef#typedef.typespec), - {simpletable,ERef#'Externaltypereference'.type}; - Err -> - exit({error,{internal_error,Err}}) - end; #'Externalvaluereference'{} -> %% This is an object set with a referenced object - {_,TorVDef} = get_referenced_type(S,C), - GetObjectSet = - fun(#typedef{typespec=O}) when is_record(O,'Object') -> - #'ObjectSet'{class=O#'Object'.classname, - set={'SingleValue',C}}; - (#valuedef{type=Cl,value=O}) - when is_record(O,'Externalvaluereference'), - is_record(Cl,type) -> - %% an object might reference another object - #'ObjectSet'{class=Cl#type.def, - set={'SingleValue',O}}; - (Err) -> - exit({error,{internal_error,simpletable_constraint,Err}}) - end, - ObjSet = GetObjectSet(TorVDef), - {simpletable,check_object(S,Type,ObjSet)}; - #'ObjectSet'{} -> - io:format("ALERT: simpletable forbidden case!~n",[]), - {simpletable,check_object(S,Type,C)}; - {'ValueFromObject',{_,ORef},FieldName} -> - %% This is an ObjectFromObject - {_,Object} = get_referenced_type(S,ORef), - ChObject = check_object(S,Object, - Object#typedef.typespec), - ObjFromObj= - get_fieldname_element(S,Object#typedef{ - typespec=ChObject}, - FieldName), - {simpletable,ObjFromObj}; -%% ObjFromObj#typedef{checked=true,typespec= -%% check_object(S,ObjFromObj, -%% ObjFromObj#typedef.typespec)}}; - _ -> - check_type(S,S#state.tname,Type),%% this seems stupid. - OSName = Def#'Externaltypereference'.type, - {simpletable,OSName} - end; + {_,TorVDef} = get_referenced_type(S, C), + Set = case TorVDef of + #typedef{typespec=#'Object'{classname=ClassName}} -> + #'ObjectSet'{class=ClassName, + set={'SingleValue',C}}; + #valuedef{type=#type{def=ClassDef}, + value=#'Externalvaluereference'{}=Obj} -> + %% an object might reference another object + #'ObjectSet'{class=ClassDef, + set={'SingleValue',Obj}} + end, + {simpletable,check_object(S, Type, Set)}; + {'ValueFromObject',{_,Object},FieldNames} -> + %% This is an ObjectFromObject. + {simpletable,extract_field(S, Object, FieldNames)} + end. -check_constraint(S,{componentrelation,{objectset,Opos,Objset},Id}) -> +check_componentrelation(S, {objectset,Opos,Objset0}, Id) -> %% Objset is an 'Externaltypereference' record, since Objset is %% a DefinedObjectSet. - RealObjset = match_parameters(S,Objset,S#state.parameters), - ObjSetRef = - case RealObjset of - #'Externaltypereference'{} -> RealObjset; - #type{def=#'Externaltypereference'{}} -> RealObjset#type.def; - {valueset,OS = #type{def=#'Externaltypereference'{}}} -> OS#type.def - end, - Ext = check_externaltypereference(S,ObjSetRef), - {componentrelation,{objectset,Opos,Ext},Id}; + ObjSet = match_parameter(S, Objset0), + Ext = check_externaltypereference(S, ObjSet), + {componentrelation,{objectset,Opos,Ext},Id}. + +%%% +%%% Internal set representation. +%%% +%%% We represent sets as a union of strictly disjoint ranges: +%%% +%%% {set,[Range]} +%%% +%%% A range is represented as: +%%% +%%% Range = {a_range,UpperBound} | {range,LowerBound,UpperBound} +%%% +%%% We don't use the atom 'MIN' to represent MIN, because atoms +%%% compare higher than integer. Instead we use {a_range,UpperBound} +%%% to represent MIN..UpperBound. We represent MAX as 'MAX' because +%%% 'MAX' compares higher than any integer. +%%% +%%% The ranges are sorted in term order. The ranges must not overlap +%%% or be adjacent to each other. This invariant is established when +%%% creating sets, and maintained by the intersection and union +%%% operators. +%%% +%%% Example of invalid set representaions: +%%% +%%% [{range,0,10},{range,5,10}] %Overlapping ranges +%%% [{range,0,5},{range,6,10}] %Adjancent ranges +%%% [{range,10,20},{a_range,100}] %Not sorted +%%% + +make_constr_set(_, 'MIN', Ub) -> + {set,[{a_range,make_constr_set_val(Ub)}]}; +make_constr_set(_, Lb, Ub) when Lb =< Ub -> + {set,[{range,make_constr_set_val(Lb), + make_constr_set_val(Ub)}]}; +make_constr_set(S, _, _) -> + asn1_error(S, reversed_range). + +make_constr_set_val([C]) when is_integer(C) -> C; +make_constr_set_val(Val) -> Val. + +make_constr_set_vs(Vs) -> + {set,make_constr_set_vs_1(Vs)}. + +make_constr_set_vs_1([]) -> + []; +make_constr_set_vs_1([V]) -> + [{range,V,V}]; +make_constr_set_vs_1([V0|Vs]) -> + V1 = make_constr_set_vs_1(Vs), + range_union([{range,V0,V0}], V1). + +%%% +%%% Set operators. +%%% + +cs_intersection(_S, Other, none) -> + Other; +cs_intersection(_S, none, Other) -> + Other; +cs_intersection(_S, {set,SetA}, {set,SetB}) -> + {set,range_intersection(SetA, SetB)}; +cs_intersection(_S, A, B) -> + {intersection,A,B}. + +range_intersection([], []) -> + []; +range_intersection([_|_], []) -> + []; +range_intersection([], [_|_]) -> + []; +range_intersection([H1|_]=A, [H2|_]=B) when H1 > H2 -> + range_intersection(B, A); +range_intersection([H1|T1], [H2|T2]=B) -> + %% Now H1 =< H2. + case {H1,H2} of + {{a_range,Ub0},{a_range,Ub1}} when Ub0 < Ub1 -> + %% Ub0 =/= 'MAX' + [H1|range_intersection(T1, [{range,Ub0+1,Ub1}|T2])]; + {{a_range,_},{a_range,_}} -> + %% Must be equal. + [H1|range_intersection(T1, T2)]; + {{a_range,Ub0},{range,Lb1,_Ub1}} when Ub0 < Lb1 -> + %% No intersection. + range_intersection(T1, B); + {{a_range,Ub0},{range,Lb1,Ub1}} when Ub0 < Ub1 -> + %% Ub0 =/= 'MAX' + [{range,Lb1,Ub0}|range_intersection(T1, [{range,Ub0+1,Ub1}|T2])]; + {{a_range,Ub},{range,_Lb1,Ub}} -> + %% The first range covers the second range, but does not + %% go beyond. We handle this case specially because Ub may + %% be 'MAX', and evaluating 'MAX'+1 will fail. + [H2|range_intersection(T1, T2)]; + {{a_range,Ub0},{range,_Lb1,Ub1}} -> + %% Ub0 > Ub1, Ub1 =/= 'MAX'. The first range completely + %% covers and extends beyond the second range. + [H2|range_intersection([{range,Ub1+1,Ub0}|T1], T2)]; + {{range,_Lb0,Ub0},{range,Lb1,_Ub1}} when Ub0 < Lb1 -> + %% Lb0 < Lb1. No intersection. + range_intersection(T1, B); + {{range,_Lb0,Ub0},{range,Lb1,Ub1}} when Ub0 < Ub1 -> + %% Ub0 >= Lb1, Ub0 =/= 'MAX'. Partial overlap. + [{range,Lb1,Ub0}|range_intersection(T1, [{range,Ub0+1,Ub1}|T2])]; + {{range,_Lb0,Ub},{range,_Lb1,Ub}} -> + %% The first range covers the second range, but does not + %% go beyond. We handle this case specially because Ub may + %% be 'MAX', and evaluating 'MAX'+1 will fail. + [H2|range_intersection(T1, T2)]; + {{range,_Lb0,Ub0},{range,_Lb1,Ub1}} -> + %% Ub1 =/= MAX. The first range completely covers and + %% extends beyond the second. + [H2|range_intersection([{range,Ub1+1,Ub0}|T1], T2)] + end. -check_constraint(S,Type) when is_record(Type,type) -> - #type{def=Def} = check_type(S,S#state.tname,Type), - Def; +cs_union(_S, {set,SetA}, {set,SetB}) -> + {set,range_union(SetA, SetB)}; +cs_union(_S, A, B) -> + {union,A,B}. + +range_union(A, B) -> + range_union_1(lists:merge(A, B)). + +range_union_1([{a_range,Ub0},{a_range,Ub1}|T]) -> + range_union_1([{a_range,max(Ub0, Ub1)}|T]); +range_union_1([{a_range,Ub0},{range,Lb1,Ub1}|T]) when Lb1-1 =< Ub0 -> + range_union_1([{a_range,max(Ub0, Ub1)}|T]); +range_union_1([{a_range,_}=H|T]) -> + %% Ranges are disjoint. + [H|range_union_1(T)]; +range_union_1([{range,Lb0,Ub0},{range,Lb1,Ub1}|T]) when Lb1-1 =< Ub0 -> + range_union_1([{range,Lb0,max(Ub0, Ub1)}|T]); +range_union_1([{range,_,_}=H|T]) -> + %% Ranges are disjoint. + [H|range_union_1(T)]; +range_union_1([]) -> + []. -check_constraint(S,C) when is_list(C) -> - lists:map(fun(X)->check_constraint(S,X) end,C); -% else keep the constraint unchanged -check_constraint(_S,Any) -> -% io:format("Constraint = ~p~n",[Any]), - Any. - -permitted_alphabet_cnstr(T) when is_tuple(T) -> - permitted_alphabet_cnstr([T]); -permitted_alphabet_cnstr(L) when is_list(L) -> - VRexpand = fun({'ValueRange',{A,B}}) -> - {'SingleValue',expand_valuerange(A,B)}; - (Other) -> - Other - end, - L2 = lists:map(VRexpand,L), - %% first perform intersection - L3 = permitted_alphabet_intersection(L2), - [Res] = permitted_alphabet_union(L3), - Res. +%%% +%%% Finish up constrains, making them suitable for the back-ends. +%%% +%%% A 'PermittedAlphabet' (FROM) constraint will be reduced to: +%%% +%%% {'SingleValue',[integer()]} +%%% +%%% A 'SizeConstraint' (SIZE) constraint will be reduced to: +%%% +%%% {Lb,Ub} +%%% +%%% All other constraints will be reduced to: +%%% +%%% {'SingleValue',[integer()]} | {'ValueRange',Lb,Ub} +%%% + +finish_constraints(Cs) -> + finish_constraints_1(Cs, fun smart_collapse/1). + +finish_constraints_1([{element_set,{Tag,{element_set,_,_}=Set0},none}|T], + Collapse0) -> + Collapse = collapse_fun(Tag), + case finish_constraints_1([Set0], Collapse) of + [] -> + finish_constraints_1(T, Collapse0); + [Set] -> + [{Tag,Set}|finish_constraints_1(T, Collapse0)] + end; +finish_constraints_1([{element_set,{set,[{a_range,'MAX'}]},_}|T], Collapse) -> + finish_constraints_1(T, Collapse); +finish_constraints_1([{element_set,{intersection,A0,B0},none}|T], Collapse) -> + A = {element_set,A0,none}, + B = {element_set,B0,none}, + finish_constraints_1([A,B|T], Collapse); +finish_constraints_1([{element_set,Root,Ext}|T], Collapse) -> + case finish_constraint(Root, Ext, Collapse) of + none -> + finish_constraints_1(T, Collapse); + Constr -> + [Constr|finish_constraints_1(T, Collapse)] + end; +finish_constraints_1([H|T], Collapse) -> + [H|finish_constraints_1(T, Collapse)]; +finish_constraints_1([], _) -> + []. -expand_valuerange([A],[A]) -> - [A]; -expand_valuerange([A],[B]) when A < B -> - [A|expand_valuerange([A+1],[B])]. +finish_constraint({set,Root0}, Ext, Collapse) -> + case Collapse(Root0) of + none -> none; + Root -> finish_constraint(Root, Ext, Collapse) + end; +finish_constraint(Root, Ext, _Collapse) -> + case Ext of + none -> Root; + _ -> {Root,[]} + end. -permitted_alphabet_intersection(C) -> - permitted_alphabet_merge(C,intersection, []). +collapse_fun('SizeConstraint') -> + fun size_constraint_collapse/1; +collapse_fun('PermittedAlphabet') -> + fun single_value_collapse/1. -permitted_alphabet_union(C) -> - permitted_alphabet_merge(C,union, []). +single_value_collapse(V) -> + {'SingleValue',ordsets:from_list(single_value_collapse_1(V))}. -permitted_alphabet_merge([],_,Acc) -> - lists:reverse(Acc); -permitted_alphabet_merge([{'SingleValue',L1}, - UorI, - {'SingleValue',L2}|Rest],UorI,Acc) - when is_list(L1),is_list(L2) -> - UI = ordsets:UorI([ordsets:from_list(L1),ordsets:from_list(L2)]), - permitted_alphabet_merge([{'SingleValue',UI}|Rest],UorI,Acc); -permitted_alphabet_merge([C1|Rest],UorI,Acc) -> - permitted_alphabet_merge(Rest,UorI,[C1|Acc]). - - -%% constraint_merge/2 -%% Compute the intersection of the outermost level of the constraint list. -%% See Dubuisson second paragraph and fotnote on page 285. -%% If constraints with extension are included in combined constraints. The -%% resulting combination will have the extension of the last constraint. Thus, -%% there will be no extension if the last constraint is without extension. -%% The rootset of all constraints are considered in the "outermoust -%% intersection". See section 13.1.2 in Dubuisson. -constraint_merge(St, Cs0) -> - Cs = constraint_merge_1(St, Cs0), - normalize_cs(Cs). - -normalize_cs([{'SingleValue',[V]}|Cs]) -> - [{'SingleValue',V}|normalize_cs(Cs)]; -normalize_cs([{'SingleValue',[_|_]=L0}|Cs]) -> - [H|T] = L = lists:usort(L0), - [case is_range(H, T) of - false -> {'SingleValue',L}; - true -> {'ValueRange',{H,lists:last(T)}} - end|normalize_cs(Cs)]; -normalize_cs([{'ValueRange',{Sv,Sv}}|Cs]) -> - [{'SingleValue',Sv}|normalize_cs(Cs)]; -normalize_cs([{'ValueRange',{'MIN','MAX'}}|Cs]) -> - normalize_cs(Cs); -normalize_cs([{'SizeConstraint',C0}|Cs]) -> - case normalize_size_constraint(C0) of - none -> - normalize_cs(Cs); - C -> - [{'SizeConstraint',C}|normalize_cs(Cs)] - end; -normalize_cs([H|T]) -> - [H|normalize_cs(T)]; -normalize_cs([]) -> []. +single_value_collapse_1([{range,Lb,Ub}|T]) when is_integer(Lb), + is_integer(Ub) -> + lists:seq(Lb, Ub) ++ single_value_collapse_1(T); +single_value_collapse_1([]) -> + []. -%% Normalize a size constraint to make it non-ambiguous and -%% easy to interpret for the backends. -%% -%% Returns one of the following terms: -%% {LowerBound,UpperBound} -%% {{LowerBound,UpperBound},[]} % Extensible -%% none % Remove size constraint from list -%% -%% where: -%% LowerBound = integer() -%% UpperBound = integer() | 'MAX' - -normalize_size_constraint(Sv) when is_integer(Sv) -> - {Sv,Sv}; -normalize_size_constraint({Root,Ext}) when is_list(Ext) -> - {normalize_size_constraint(Root),[]}; -normalize_size_constraint({{_,_},Ext}) when is_integer(Ext) -> - normalize_size_constraint(Ext); -normalize_size_constraint([H|T]) -> - {H,lists:last(T)}; -normalize_size_constraint({0,'MAX'}) -> +smart_collapse([{a_range,Ub}]) -> + {'ValueRange',{'MIN',Ub}}; +smart_collapse([{a_range,_}|T]) -> + {range,_,Ub} = lists:last(T), + {'ValueRange',{'MIN',Ub}}; +smart_collapse([{range,Lb,Ub}]) -> + {'ValueRange',{Lb,Ub}}; +smart_collapse([_|_]=L) -> + V = lists:foldr(fun({range,Lb,Ub}, A) -> + seq(Lb, Ub) ++ A + end, [], L), + {'SingleValue',V}. + +size_constraint_collapse([{range,0,'MAX'}]) -> none; -normalize_size_constraint({Lb,Ub}=Range) - when is_integer(Lb), is_integer(Ub) orelse Ub =:= 'MAX' -> - Range. +size_constraint_collapse(Root) -> + [{range,Lb,_}|_] = Root, + {range,_,Ub} = lists:last(Root), + {Lb,Ub}. -is_range(Prev, [H|T]) when Prev =:= H - 1 -> is_range(H, T); -is_range(_, [_|_]) -> false; -is_range(_, []) -> true. +seq(Same, Same) -> + [Same]; +seq(Lb, Ub) when is_integer(Lb), is_integer(Ub) -> + lists:seq(Lb, Ub). -constraint_merge_1(_S, [H]=C) when is_tuple(H) -> - C; -constraint_merge_1(_S, []) -> - []; -constraint_merge_1(S, C) -> - %% skip all extension but the last extension - C1 = filter_extensions(C), - %% perform all internal level intersections, intersections first - %% since they have precedence over unions - C2 = lists:map(fun(X)when is_list(X)->constraint_intersection(S,X); - (X) -> X end, - C1), - %% perform all internal level unions - C3 = lists:map(fun(X)when is_list(X)->constraint_union(S,X); - (X) -> X end, - C2), - - %% now get intersection of the outermost level - %% get the least common single value constraint - SVs = get_constraints(C3,'SingleValue'), - CombSV = intersection_of_sv(S,SVs), - %% get the least common value range constraint - VRs = get_constraints(C3,'ValueRange'), - CombVR = intersection_of_vr(S,VRs), - %% get the least common size constraint - SZs = get_constraints(C3,'SizeConstraint'), - CombSZ = intersection_of_size(S,SZs), - RestC = ordsets:subtract(ordsets:from_list(C3), - ordsets:from_list(SZs ++ VRs ++ SVs)), - %% get the least common combined constraint. That is the union of each - %% deep constraint and merge of single value and value range constraints. - %% FIXME: Removing 'intersection' from the flattened list essentially - %% means that intersections are converted to unions! - Cs = combine_constraints(S, CombSV, CombVR, CombSZ++RestC), - [X || X <- lists:flatten(Cs), - X =/= intersection, - X =/= union]. - -%% constraint_union(S,C) takes a list of constraints as input and -%% merge them to a union. Unions are performed when two -%% constraints is found with an atom union between. -%% The list may be nested. Fix that later !!! -constraint_union(_S,[]) -> - []; -constraint_union(_S,C=[_E]) -> - C; -constraint_union(S,C) when is_list(C) -> - case lists:member(union,C) of - true -> - constraint_union1(S,C,[]); - _ -> - C - end; -% SV = get_constraints(C,'SingleValue'), -% SV1 = constraint_union_sv(S,SV), -% VR = get_constraints(C,'ValueRange'), -% VR1 = constraint_union_vr(VR), -% RestC = ordsets:filter(fun({'SingleValue',_})->false; -% ({'ValueRange',_})->false; -% (_) -> true end,ordsets:from_list(C)), -% SV1++VR1++RestC; -constraint_union(_S,C) -> - [C]. - -constraint_union1(S,[A={'ValueRange',_},union,B={'ValueRange',_}|Rest],Acc) -> - AunionB = constraint_union_vr([A,B]), - constraint_union1(S, AunionB++Rest, Acc); -constraint_union1(S,[A={'SingleValue',_},union,B={'SingleValue',_}|Rest],Acc) -> - AunionB = constraint_union_sv(S,[A,B]), - constraint_union1(S,Rest,Acc ++ AunionB); -constraint_union1(S,[A={'SingleValue',_},union,B={'ValueRange',_}|Rest],Acc) -> - AunionB = union_sv_vr(S,A,B), - constraint_union1(S, AunionB++Rest, Acc); -constraint_union1(S,[A={'ValueRange',_},union,B={'SingleValue',_}|Rest],Acc) -> - AunionB = union_sv_vr(S,B,A), - constraint_union1(S, AunionB++Rest, Acc); -constraint_union1(S,[union|Rest],Acc) -> %skip when unsupported constraints - constraint_union1(S,Rest,Acc); -constraint_union1(S,[A|Rest],Acc) -> - constraint_union1(S,Rest,[A|Acc]); -constraint_union1(_S,[],Acc) -> - Acc. - -constraint_union_sv(_S,SV) -> - Values=lists:map(fun({_,V})->V end,SV), - case ordsets:from_list(Values) of - [] -> []; - [N] -> [{'SingleValue',N}]; - L -> [{'SingleValue',L}] - end. +%%%----------------------------------------- +%% If the constraint value is a defined value the valuename +%% is replaced by the actual value +%% +resolve_value(S, HostType, Val) -> + Id = match_parameter(S, Val), + resolve_value1(S, HostType, Id). -%% REMOVE???? -%%constraint_union(S,VR,'ValueRange') -> -%% constraint_union_vr(VR). - -%% constraint_union_vr(VR) -%% VR = [{'ValueRange',{Lb,Ub}},...] -%% Lb = 'MIN' | integer() -%% Ub = 'MAX' | integer() -%% Returns if possible only one ValueRange tuple with a range that -%% is a union of all ranges in VR. -constraint_union_vr(VR) -> - %% Sort VR by Lb in first hand and by Ub in second hand - Fun=fun({_,{'MIN',_B1}},{_,{A2,_B2}}) when is_integer(A2)->true; - ({_,{A1,_B1}},{_,{'MAX',_B2}}) when is_integer(A1) -> true; - ({_,{A1,_B1}},{_,{A2,_B2}}) when is_integer(A1),is_integer(A2),A1<A2 -> true; - ({_,{A,B1}},{_,{A,B2}}) when B1=<B2->true; - (_,_)->false end, - SortedVR = lists:usort(Fun,VR), - constraint_union_vr(SortedVR, []). - -constraint_union_vr([],Acc) -> - lists:reverse(Acc); -constraint_union_vr([C|Rest],[]) -> - constraint_union_vr(Rest,[C]); -constraint_union_vr([{_,{Lb,Ub2}}|Rest],[{_,{Lb,_Ub1}}|Acc]) -> %Ub2 > Ub1 - constraint_union_vr(Rest,[{'ValueRange',{Lb,Ub2}}|Acc]); -constraint_union_vr([{_,{_,Ub}}|Rest],A=[{_,{_,Ub}}|_Acc]) -> - constraint_union_vr(Rest,A); -constraint_union_vr([{_,{Lb2,Ub2}}|Rest], [{_,{Lb1,Ub1}}|Acc]) - when Ub1 =< Lb2, Ub1 < Ub2 -> - constraint_union_vr(Rest,[{'ValueRange',{Lb1,Ub2}}|Acc]); -constraint_union_vr([{_,{_,Ub2}}|Rest],A=[{_,{_,Ub1}}|_Acc]) when Ub2=<Ub1-> - constraint_union_vr(Rest,A); -constraint_union_vr([VR|Rest],Acc) -> - constraint_union_vr(Rest,[VR|Acc]). - -union_sv_vr(_S,{'SingleValue',SV},VR) - when is_integer(SV) -> - union_sv_vr(_S,{'SingleValue',[SV]},VR); -union_sv_vr(_S,{'SingleValue',SV},{'ValueRange',{VLb,VUb}}) - when is_list(SV) -> - L = lists:sort(SV++[VLb,VUb]), - {Lb,L1} = case lists:member('MIN',L) of - true -> {'MIN',L--['MIN']}; % remove 'MIN' so it does not disturb - false -> {hd(L),tl(L)} - end, - Ub = case lists:member('MAX',L1) of - true -> 'MAX'; - false -> lists:last(L1) - end, - case SV of - [H] -> H; - _ -> SV - end, - %% for now we through away the Singlevalues so that they don't disturb - %% in the code generating phase (the effective Valuerange is already - %% calculated. If we want to keep the Singlevalues as well for - %% use in code gen phases we need to introduce a new representation - %% like {'ValueRange',{Lb,Ub},[ListOfRanges|AntiValues|Singlevalues] - %% These could be used to generate guards which allows only the specific - %% values , not the full range - [{'ValueRange',{Lb,Ub}}]. - - -%% get_constraints/2 -%% Arguments are a list of constraints, which has the format {key,value}, -%% and a constraint type -%% Returns a list of constraints only of the requested type or the atom -%% 'no' if no such constraints were found -get_constraints(L=[{CType,_}],CType) -> - L; -get_constraints(C,CType) -> - keysearch_allwithkey(CType,1,C). - -%% keysearch_allwithkey(Key,Ix,L) -%% Types: -%% Key = is_atom() -%% Ix = integer() -%% L = [TwoTuple] -%% TwoTuple = [{atom(),term()}|...] -%% Returns a List that contains all -%% elements from L that has a key Key as element Ix -keysearch_allwithkey(Key,Ix,L) -> - lists:filter(fun(X) when is_tuple(X) -> - case element(Ix,X) of - Key -> true; - _ -> false - end; - (_) -> false - end, L). - - -%% filter_extensions(C) -%% takes a list of constraints as input and returns a list with the -%% constraints and all extensions but the last are removed. -filter_extensions([L]) when is_list(L) -> - [filter_extensions(L)]; -filter_extensions(C=[_H]) -> - C; -filter_extensions(C) when is_list(C) -> - filter_extensions(C,[], []). - -filter_extensions([],Acc,[]) -> - Acc; -filter_extensions([],Acc,[EC|ExtAcc]) -> - CwoExt = remove_extension(ExtAcc,[]), - CwoExt ++ [EC|Acc]; -filter_extensions([C={A,_E}|T],Acc,ExtAcc) when is_tuple(A) -> - filter_extensions(T,Acc,[C|ExtAcc]); -filter_extensions([C={'SizeConstraint',{A,_B}}|T],Acc,ExtAcc) - when is_list(A);is_tuple(A) -> - filter_extensions(T,Acc,[C|ExtAcc]); -filter_extensions([C={'PermittedAlphabet',{{'SingleValue',_},E}}|T],Acc,ExtAcc) - when is_tuple(E); is_list(E) -> - filter_extensions(T,Acc,[C|ExtAcc]); -filter_extensions([H|T],Acc,ExtAcc) -> - filter_extensions(T,[H|Acc],ExtAcc). - -remove_extension([],Acc) -> - Acc; -remove_extension([{'SizeConstraint',{A,_B}}|R],Acc) -> - remove_extension(R,[{'SizeConstraint',A}|Acc]); -remove_extension([{C,_E}|R],Acc) when is_tuple(C) -> - remove_extension(R,[C|Acc]); -remove_extension([{'PermittedAlphabet',{A={'SingleValue',_}, - E}}|R],Acc) - when is_tuple(E);is_list(E) -> - remove_extension(R,[{'PermittedAlphabet',A}|Acc]). - -%% constraint_intersection(S,C) takes a list of constraints as input and -%% performs intersections. Intersecions are performed when an -%% atom intersection is found between two constraints. -%% The list may be nested. Fix that later !!! -constraint_intersection(_S,[]) -> - []; -constraint_intersection(_S,C=[_E]) -> - C; -constraint_intersection(S,C) when is_list(C) -> -% io:format("constraint_intersection: ~p~n",[C]), - case lists:member(intersection,C) of - true -> - constraint_intersection1(S,C,[]); - _ -> - C +resolve_value1(S, HostType, #'Externalvaluereference'{value=Name}=ERef) -> + case resolve_namednumber(S, HostType, Name) of + V when is_integer(V) -> + V; + not_named -> + resolve_value1(S, HostType, get_referenced_value(S, ERef)) end; -constraint_intersection(_S,C) -> - [C]. - -constraint_intersection1(S,[A,intersection,B|Rest],Acc) -> - AisecB = c_intersect(S,A,B), - constraint_intersection1(S, AisecB++Rest, Acc); -constraint_intersection1(S,[A|Rest],Acc) -> - constraint_intersection1(S,Rest,[A|Acc]); -constraint_intersection1(_, [], [C]) -> - C; -constraint_intersection1(_,[],Acc) -> - lists:reverse(Acc). - -c_intersect(S,C1={'SingleValue',_},C2={'SingleValue',_}) -> - intersection_of_sv(S,[C1,C2]); -c_intersect(S,C1={'ValueRange',_},C2={'ValueRange',_}) -> - intersection_of_vr(S,[C1,C2]); -c_intersect(S,C1={'ValueRange',_},C2={'SingleValue',_}) -> - intersection_sv_vr(S,[C2],[C1]); -c_intersect(S,C1={'SingleValue',_},C2={'ValueRange',_}) -> - intersection_sv_vr(S,[C1],[C2]); -c_intersect(_S,C1,C2) -> - [C1,C2]. - -%% combine_constraints(S,SV,VR,CComb) -%% Types: -%% S = is_record(state,S) -%% SV = [] | [SVC] -%% VR = [] | [VRC] -%% CComb = [] | [Lists] -%% SVC = {'SingleValue',integer()} | {'SingleValue',[integer(),...]} -%% VRC = {'ValueRange',{Lb,Ub}} -%% Lists = List of lists containing any constraint combination -%% Lb = 'MIN' | integer() -%% Ub = 'MAX' | integer() -%% Returns a combination of the least common constraint among SV,VR and all -%% elements in CComb -combine_constraints(_S,[],VR,CComb) -> - VR ++ CComb; -% combine_combined_cnstr(S,VR,CComb); -combine_constraints(_S,SV,[],CComb) -> - SV ++ CComb; -% combine_combined_cnstr(S,SV,CComb); -combine_constraints(S,SV,VR,CComb) -> - C=intersection_sv_vr(S,SV,VR), - C ++ CComb. -% combine_combined_cnstr(S,C,CComb). - -intersection_sv_vr(_S,[C1={'SingleValue',SV}],[C2={'ValueRange',{_Lb,_Ub}}]) - when is_integer(SV) -> - case is_int_in_vr(SV,C2) of - true -> [C1]; - _ -> %%error({type,{"asn1 illegal constraint",C1,C2},S}) - %throw({error,{"asn1 illegal constraint",C1,C2}}) - %io:format("warning: could not analyze constraint ~p~n",[[C1,C2]]), - [C1,C2] +resolve_value1(S, HostType, {gt,V}) -> + case resolve_value1(S, HostType, V) of + Int when is_integer(Int) -> + Int + 1; + _Other -> + asn1_error(S, illegal_integer_value) end; -intersection_sv_vr(_S,[C1={'SingleValue',SV}],[C2]) - when is_list(SV) -> - case lists:filter(fun(X)->is_int_in_vr(X,C2) end,SV) of - [] -> - %%error({type,{"asn1 illegal constraint",C1,C2},S}); - %throw({error,{"asn1 illegal constraint",C1,C2}}); - %io:format("warning: could not analyze constraint ~p~n",[[C1,C2]]), - [C1,C2]; - [V] -> [{'SingleValue',V}]; - L -> [{'SingleValue',L}] - end. - - -%% Size constraint [{'SizeConstraint',1},{'SizeConstraint',{{1,64},[]}}] - -intersection_of_size(_,[]) -> - []; -intersection_of_size(_,C=[_SZ]) -> - C; -intersection_of_size(S,[SZ,SZ|Rest]) -> - intersection_of_size(S,[SZ|Rest]); -intersection_of_size(S,C=[C1={_,Int},{_,Range}|Rest]) - when is_integer(Int),is_tuple(Range) -> - case Range of - {Lb,Ub} when Int >= Lb, - Int =< Ub -> - intersection_of_size(S,[C1|Rest]); - {{Lb,Ub},Ext} when is_list(Ext),Int >= Lb,Int =< Ub -> - intersection_of_size(S,[C1|Rest]); - _ -> - throw({error,{asn1,{illegal_size_constraint,C}}}) +resolve_value1(S, HostType, {lt,V}) -> + case resolve_value1(S, HostType, V) of + Int when is_integer(Int) -> + Int - 1; + _Other -> + asn1_error(S, illegal_integer_value) end; -intersection_of_size(S,[C1={_,Range},C2={_,Int}|Rest]) - when is_integer(Int),is_tuple(Range) -> - intersection_of_size(S,[C2,C1|Rest]); -intersection_of_size(S,[{_,{Lb1,Ub1}},{_,{Lb2,Ub2}}|Rest]) -> - Lb=greatest_LB(ordsets:from_list([Lb1,Lb2])), - Ub=smallest_UB(ordsets:from_list([Ub1,Ub2])), - intersection_of_size(S,[{'SizeConstraint',{Lb,Ub}}|Rest]); -intersection_of_size(_,SZ) -> - throw({error,{asn1,{illegal_size_constraint,SZ}}}). - -intersection_of_vr(_,[]) -> - []; -intersection_of_vr(_,VR=[_C]) -> - VR; -intersection_of_vr(S,[{_,{Lb1,Ub1}},{_,{Lb2,Ub2}}|Rest]) -> - Lb=greatest_LB(ordsets:from_list([Lb1,Lb2])), - Ub=smallest_UB(ordsets:from_list([Ub1,Ub2])), - intersection_of_vr(S,[{'ValueRange',{Lb,Ub}}|Rest]); -intersection_of_vr(_S,VR) -> - %%error({type,{asn1,{illegal_value_range_constraint,VR}},S}); - throw({error,{asn1,{illegal_value_range_constraint,VR}}}). - -intersection_of_sv(_,[]) -> - []; -intersection_of_sv(_,SV=[_C]) -> - SV; -intersection_of_sv(S,[SV,SV|Rest]) -> - intersection_of_sv(S,[SV|Rest]); -intersection_of_sv(S,[{_,Int},{_,SV}|Rest]) when is_integer(Int), - is_list(SV) -> - SV2=intersection_of_sv1(S,Int,SV), - intersection_of_sv(S,[SV2|Rest]); -intersection_of_sv(S,[{_,SV},{_,Int}|Rest]) when is_integer(Int), - is_list(SV) -> - SV2=intersection_of_sv1(S,Int,SV), - intersection_of_sv(S,[SV2|Rest]); -intersection_of_sv(S,[{_,SV1},{_,SV2}|Rest]) when is_list(SV1), - is_list(SV2) -> - SV3=common_set(SV1,SV2), - intersection_of_sv(S,[SV3|Rest]); -intersection_of_sv(_S,SV) -> - %%error({type,{asn1,{illegal_single_value_constraint,SV}},S}). - throw({error,{asn1,{illegal_single_value_constraint,SV}}}). - -intersection_of_sv1(_S,Int,SV) when is_integer(Int),is_list(SV) -> - case lists:member(Int,SV) of - true -> {'SingleValue',Int}; +resolve_value1(S, _HostType, {'ValueFromObject',{object,Object},FieldName}) -> + get_value_from_object(S, Object, FieldName); +resolve_value1(_, _, #valuedef{checked=true,value=V}) -> + V; +resolve_value1(S, _, #valuedef{value={'ValueFromObject', + {object,Object},FieldName}}) -> + get_value_from_object(S, Object, FieldName); +resolve_value1(S, _HostType, #valuedef{}=VDef) -> + #valuedef{value=Val} = check_value(S,VDef), + Val; +resolve_value1(_, _, V) -> + V. + +resolve_namednumber(S, #type{def=Def}, Name) -> + case Def of + {'ENUMERATED',NameList} -> + resolve_namednumber_1(S, Name, NameList); + {'INTEGER',NameList} -> + resolve_namednumber_1(S, Name, NameList); _ -> - %%error({type,{asn1,{illegal_single_value_constraint,Int,SV}},S}) - throw({error,{asn1,{illegal_single_value_constraint,Int,SV}}}) - end; -intersection_of_sv1(_S,SV1,SV2) -> - %%error({type,{asn1,{illegal_single_value_constraint,SV1,SV2}},S}). - throw({error,{asn1,{illegal_single_value_constraint,SV1,SV2}}}). + not_named + end. -greatest_LB([H]) -> - H; -greatest_LB(L) -> - greatest_LB1(lists:reverse(L)). -greatest_LB1(['MIN',H2|_T])-> - H2; -greatest_LB1([H|_T]) -> - H. -smallest_UB(L) -> - hd(L). - -common_set(SV1,SV2) -> - lists:filter(fun(X)->lists:member(X,SV1) end,SV2). - -is_int_in_vr(Int,{_,{'MIN','MAX'}}) when is_integer(Int) -> - true; -is_int_in_vr(Int,{_,{'MIN',Ub}}) when is_integer(Int),Int =< Ub -> - true; -is_int_in_vr(Int,{_,{Lb,'MAX'}}) when is_integer(Int),Int >= Lb -> - true; -is_int_in_vr(Int,{_,{Lb,Ub}}) when is_integer(Int),Int >= Lb,Int =< Ub -> - true; -is_int_in_vr(_,_) -> - false. - +resolve_namednumber_1(S, Name, NameList) -> + try + NamedNumberList = check_enumerated(S, NameList), + {_,N} = lookup_enum_value(S, Name, NamedNumberList), + N + catch _:_ -> + not_named + end. + +%%% +%%% End of constraint handling. +%%% check_imported(S,Imodule,Name) -> check_imported(S,Imodule,Name,false). @@ -4628,55 +3760,53 @@ check_reference(S,#'Externaltypereference'{pos=Pos,module=Emod,type=Name}) -> #'Externaltypereference'{pos=Pos,module=ModName,type=Name} end. +get_referenced_value(S, T) -> + case get_referenced_type(S, T) of + {ExtMod,#valuedef{value=#'Externalvaluereference'{}=Ref}} -> + get_referenced_value(update_state(S, ExtMod), Ref); + {_,#valuedef{value=Val}} -> + Val + end. -get_referenced_type(S,Ext) when is_record(Ext,'Externaltypereference') -> - case match_parameters(S,Ext, S#state.parameters) of - Ext -> - #'Externaltypereference'{pos=Pos,module=Emod,type=Etype} = Ext, - case S#state.mname of - Emod -> % a local reference in this module - get_referenced1(S,Emod,Etype,Pos); - _ ->% always when multi file compiling - case lists:member(Emod,S#state.inputmodules) of - true -> - get_referenced1(S,Emod,Etype,Pos); - false -> - get_referenced(S,Emod,Etype,Pos) - end - end; - ERef = #'Externaltypereference'{} -> - get_referenced_type(S,ERef); - Other -> - {undefined,Other} - end; -get_referenced_type(S=#state{mname=Emod}, - ERef=#'Externalvaluereference'{pos=P,module=Emod, - value=Eval}) -> - case match_parameters(S,ERef,S#state.parameters) of - ERef -> - get_referenced1(S,Emod,Eval,P); - OtherERef when is_record(OtherERef,'Externalvaluereference') -> - get_referenced_type(S,OtherERef); - Value -> - {Emod,Value} - end; -get_referenced_type(S,ERef=#'Externalvaluereference'{pos=Pos,module=Emod, - value=Eval}) -> - case match_parameters(S,ERef,S#state.parameters) of - ERef -> - case lists:member(Emod,S#state.inputmodules) of - true -> - get_referenced1(S,Emod,Eval,Pos); - false -> - get_referenced(S,Emod,Eval,Pos) - end; - OtherERef -> - get_referenced_type(S,OtherERef) - end; -get_referenced_type(S,#identifier{val=Name,pos=Pos}) -> - get_referenced1(S,undefined,Name,Pos); -get_referenced_type(_S,Type) -> - {undefined,Type}. +get_referenced_type(S, T) -> + get_referenced_type(S, T, false). + +get_referenced_type(S, T, Recurse) -> + case do_get_referenced_type(S, T) of + {_,#typedef{typespec=#type{def=#'Externaltypereference'{}=ERef}}} + when Recurse -> + get_referenced_type(S, ERef, Recurse); + {_,_}=Res -> + Res + end. + +do_get_referenced_type(S, T0) -> + case match_parameter(S, T0) of + T0 -> + do_get_ref_type_1(S, T0); + T -> + do_get_referenced_type(S, T) + end. + +do_get_ref_type_1(S, #'Externaltypereference'{pos=P, + module=M, + type=T}) -> + do_get_ref_type_2(S, P, M, T); +do_get_ref_type_1(S, #'Externalvaluereference'{pos=P, + module=M, + value=V}) -> + do_get_ref_type_2(S, P, M, V); +do_get_ref_type_1(_, T) -> + {undefined,T}. + +do_get_ref_type_2(#state{mname=Current,inputmodules=Modules}=S, + Pos, M, T) -> + case M =:= Current orelse lists:member(M, Modules) of + true -> + get_referenced1(S, M, T, Pos); + false -> + get_referenced(S, M, T, Pos) + end. %% get_referenced/3 %% The referenced entity Ename may in case of an imported parameterized @@ -4693,7 +3823,7 @@ get_referenced(S,Emod,Ename,Pos) -> %% May be an imported entity in module Emod or Emod may not exist case asn1_db:dbget(Emod,'MODULE') of undefined -> - throw({error,{asn1,{module_not_found,Emod}}}); + asn1_error(S, {undefined_import, Ename, Emod}); _ -> NewS = update_state(S,Emod), get_imported(NewS,Ename,Emod,Pos) @@ -4723,12 +3853,11 @@ get_imported(S,Name,Module,Pos) -> parse_and_save(S,Imodule), case asn1_db:dbget(Imodule,'MODULE') of undefined -> - throw({error,{asn1,{module_not_found,Imodule}}}); + asn1_error(S, {undefined_import, Name, Module}); Im when is_record(Im,module) -> case is_exported(Im,Name) of false -> - throw({error, - {asn1,{not_exported,{Im,Name}}}}); + asn1_error(S, {undefined_export, Name}); _ -> ?dbg("get_imported, is_exported ~p, ~p~n",[Imodule,Name]), get_referenced_type(S, @@ -4741,37 +3870,6 @@ get_imported(S,Name,Module,Pos) -> get_renamed_reference(S,Name,Module) end. -check_and_save(S,#'Externaltypereference'{module=M}=ERef,#typedef{checked=false}=TDef,Settings) - when S#state.mname /= M -> - %% This ERef is an imported type (or maybe a set.asn compilation) - NewS = S#state{mname=M,module=load_asn1_module(S,M), - type=TDef,tname=get_datastr_name(TDef)}, - Type=check_type(NewS,TDef,TDef#typedef.typespec),%XXX - CheckedTDef = TDef#typedef{checked=true, - typespec=Type}, - asn1_db:dbput(M,get_datastr_name(TDef),CheckedTDef), - {merged_name(S,ERef),Settings}; -check_and_save(S,#'Externaltypereference'{module=M,type=N}=Eref, - #ptypedef{name=Name,args=Params} = PTDef,Settings) -> - %% instantiate a parameterized type - %% The parameterized type should be saved as a type in the module - %% it was instantiated. - NewS = S#state{mname=M,module=load_asn1_module(S,M), - type=PTDef,tname=Name}, - {Args,RestSettings} = lists:split(length(Params),Settings), - Type = check_type(NewS,PTDef,#type{def={pt,Eref,Args}}), - ERefName = new_reference_name(N), - ERefNew = #'Externaltypereference'{type=ERefName,module=S#state.mname}, - NewTDef=#typedef{checked=true,name=ERefName, - typespec=Type}, - insert_once(S,parameterized_objects,{ERefName,type,NewTDef}), - asn1_db:dbput(S#state.mname,ERefNew#'Externaltypereference'.type, - NewTDef), - {ERefNew,RestSettings}; -check_and_save(_S,ERef,TDef,Settings) -> - %% This might be a renamed type in a set of specs, so rename the ERef - {ERef#'Externaltypereference'{type=asn1ct:get_name_of_def(TDef)},Settings}. - save_object_set_instance(S,Name,ObjSetSpec) when is_record(ObjSetSpec,'ObjectSet') -> NewObjSet = #typedef{checked=true,name=Name,typespec=ObjSetSpec}, @@ -4838,18 +3936,14 @@ update_state(S,ModuleName) -> S; _ -> parse_and_save(S,ModuleName), - case asn1_db:dbget(ModuleName,'MODULE') of - RefedMod when is_record(RefedMod,module) -> - S#state{mname=ModuleName,module=RefedMod}; - _ -> throw({error,{asn1,{module_does_not_exist,ModuleName}}}) - end + Mod = #module{} = asn1_db:dbget(ModuleName,'MODULE'), + S#state{mname=ModuleName,module=Mod} end. - get_renamed_reference(S,Name,Module) -> case renamed_reference(S,Name,Module) of undefined -> - throw({error,{asn1,{undefined_type,Name}}}); + asn1_error(S, {undefined, Name}); NewTypeName when NewTypeName =/= Name -> get_referenced1(S,Module,NewTypeName,undefined) end. @@ -4900,37 +3994,49 @@ get_importmoduleoftype([I|Is],Name) -> get_importmoduleoftype([],_) -> undefined. +match_parameters(S, Names) -> + [match_parameter(S, Name) || Name <- Names]. -match_parameters(_S,Name,[]) -> - Name; +match_parameter(#state{parameters=Ps}=S, Name) -> + match_parameter(S, Name, Ps). -match_parameters(_S,#'Externaltypereference'{type=Name},[{#'Externaltypereference'{type=Name},NewName}|_T]) -> +match_parameter(_S, Name, []) -> + Name; +match_parameter(S, {valueset,{element_set,#type{}=Ts,none}}, Ps) -> + match_parameter(S, {valueset,Ts}, Ps); +match_parameter(_S, #'Externaltypereference'{type=Name}, + [{#'Externaltypereference'{type=Name},NewName}|_T]) -> NewName; -match_parameters(_S,#'Externaltypereference'{type=Name},[{{_,#'Externaltypereference'{type=Name}},NewName}|_T]) -> +match_parameter(_S, #'Externaltypereference'{type=Name}, + [{{_,#'Externaltypereference'{type=Name}},NewName}|_T]) -> NewName; -match_parameters(_S,#'Externalvaluereference'{value=Name},[{#'Externalvaluereference'{value=Name},NewName}|_T]) -> +match_parameter(_S, #'Externalvaluereference'{value=Name}, + [{#'Externalvaluereference'{value=Name},NewName}|_T]) -> NewName; -match_parameters(_S,#'Externalvaluereference'{value=Name},[{{_,#'Externalvaluereference'{value=Name}},NewName}|_T]) -> +match_parameter(_S, #'Externalvaluereference'{value=Name}, + [{{_,#'Externalvaluereference'{value=Name}},NewName}|_T]) -> NewName; -match_parameters(_S,#type{def=#'Externaltypereference'{module=M,type=Name}}, - [{#'Externaltypereference'{module=M,type=Name},Type}]) -> +match_parameter(_S, #type{def=#'Externaltypereference'{module=M,type=Name}}, + [{#'Externaltypereference'{module=M,type=Name},Type}]) -> Type; -match_parameters(_S,{valueset,#type{def=#'Externaltypereference'{type=Name}}}, - [{{_,#'Externaltypereference'{type=Name}},{valueset,#type{def=NewName}}}|_T]) -> +match_parameter(_S, {valueset,#type{def=#'Externaltypereference'{type=Name}}}, + [{{_,#'Externaltypereference'{type=Name}}, + {valueset,#type{def=NewName}}}|_T]) -> NewName; -match_parameters(_S,{valueset,#type{def=#'Externaltypereference'{type=Name}}}, - [{{_,#'Externaltypereference'{type=Name}}, - NewName=#type{def=#'Externaltypereference'{}}}|_T]) -> +match_parameter(_S, {valueset,#type{def=#'Externaltypereference'{type=Name}}}, + [{{_,#'Externaltypereference'{type=Name}}, + NewName=#type{def=#'Externaltypereference'{}}}|_T]) -> NewName#type.def; -match_parameters(_S,{valueset,#type{def=#'Externaltypereference'{type=Name}}}, - [{{_,#'Externaltypereference'{type=Name}},NewName}|_T]) -> +match_parameter(_S, {valueset,#type{def=#'Externaltypereference'{type=Name}}}, + [{{_,#'Externaltypereference'{type=Name}},NewName}|_T]) -> NewName; %% When a parameter is a parameterized element it has to be %% instantiated now! -match_parameters(S,{valueset,T=#type{def={pt,_,_Args}}},_Parameters) -> - case catch check_type(S,#typedef{name=S#state.tname,typespec=T},T) of - pobjectsetdef -> - +match_parameter(S, {valueset,T=#type{def={pt,_,_Args}}}, _Ps) -> + try check_type(S,#typedef{name=S#state.tname,typespec=T},T) of + #type{def=Ts} -> + Ts + catch pobjectsetdef -> {_,ObjRef,_Params} = T#type.def, {_,ObjDef}=get_referenced_type(S,ObjRef), %%ObjDef is a pvaluesetdef where the type field holds the class @@ -4948,17 +4054,15 @@ match_parameters(S,{valueset,T=#type{def={pt,_,_Args}}},_Parameters) -> ObjectSet = #'ObjectSet'{class=RightClassRef,set=T}, ObjSpec = check_object(S,#typedef{typespec=ObjectSet},ObjectSet), Name = list_to_atom(asn1ct_gen:list2name([get_datastr_name(ObjDef)|S#state.recordtopname])), - save_object_set_instance(S,Name,ObjSpec); - pvaluesetdef -> error({pvaluesetdef,"parameterized valueset",S}); - {error,_Reason} -> error({type,"error in parameter",S}); - Ts when is_record(Ts,type) -> Ts#type.def + save_object_set_instance(S,Name,ObjSpec) end; + %% same as previous, only depends on order of parsing -match_parameters(S,{valueset,{pos,{objectset,_,POSref},Args}},Parameters) -> - match_parameters(S,{valueset,#type{def={pt,POSref,Args}}},Parameters); -match_parameters(S,Name, [_H|T]) -> - %%io:format("match_parameters(~p,~p)~n",[Name,[H|T]]), - match_parameters(S,Name,T). +match_parameter(S, {valueset,{pos,{objectset,_,POSref},Args}}, Ps) -> + match_parameter(S, {valueset,#type{def={pt,POSref,Args}}}, Ps); +match_parameter(S, Name, [_H|T]) -> + %%io:format("match_parameter(~p,~p)~n",[Name,[H|T]]), + match_parameter(S, Name, T). imported(S,Name) -> {imports,Ilist} = (S#state.module)#module.imports, @@ -4975,73 +4079,45 @@ imported1(Name, end; imported1(_Name,[]) -> false. - -check_integer(_S,[],_C) -> +%% Check the named number list for an INTEGER or a BIT STRING. +check_named_number_list(_S, []) -> []; -check_integer(S,NamedNumberList,_C) -> - case [X || X <- NamedNumberList, tuple_size(X) =:= 2] of - NamedNumberList -> - %% An already checked integer with NamedNumberList - NamedNumberList; - _ -> - case check_unique(NamedNumberList,2) of - [] -> - check_int(S,NamedNumberList,[]); - L when is_list(L) -> - error({type,{duplicates,L},S}), - unchanged - end +check_named_number_list(_S, [{_,_}|_]=NNL) -> + %% The named number list has already been checked. + NNL; +check_named_number_list(S, NNL0) -> + %% Check that the names are unique. + case check_unique(NNL0, 2) of + [] -> + NNL1 = [{Id,resolve_valueref(S, Val)} || {'NamedNumber',Id,Val} <- NNL0], + NNL = lists:keysort(2, NNL1), + case check_unique(NNL, 2) of + [] -> + NNL; + [Val|_] -> + asn1_error(S, {value_reused,Val}) + end; + [H|_] -> + asn1_error(S, {namelist_redefinition,H}) end. - -check_int(S,[{'NamedNumber',Id,Num}|T],Acc) when is_integer(Num) -> - check_int(S,T,[{Id,Num}|Acc]); -check_int(S,[{'NamedNumber',Id,{identifier,_,Name}}|T],Acc) -> - Val = dbget_ex(S,S#state.mname,Name), - check_int(S,[{'NamedNumber',Id,Val#valuedef.value}|T],Acc); -check_int(S,[{'NamedNumber',Id,{'Externalvaluereference',_,Mod,Name}}|T],Acc) -> - Val = dbget_ex(S,Mod,Name), - check_int(S,[{'NamedNumber',Id,Val#valuedef.value}|T],Acc); -check_int(_S,[],Acc) -> - lists:keysort(2,Acc). +resolve_valueref(S, #'Externalvaluereference'{} = T) -> + get_referenced_value(S, T); +resolve_valueref(_, Val) when is_integer(Val) -> + Val. -check_real(_S,_Constr) -> - ok. +check_integer(S, NNL) -> + check_named_number_list(S, NNL). -check_bitstring(_S,[],_Constr) -> - []; -check_bitstring(S,NamedNumberList,_Constr) -> - case check_unique(NamedNumberList,2) of - [] -> - check_bitstr(S,NamedNumberList,[]); - L when is_list(L) -> - error({type,{duplicates,L},S}), - unchanged - end. +check_bitstring(S, NNL0) -> + NNL = check_named_number_list(S, NNL0), + _ = [asn1_error(S, {invalid_bit_number,Bit}) || + {_,Bit} <- NNL, Bit < 0], + NNL. -check_bitstr(S,[{'NamedNumber',Id,Num}|T],Acc)when is_integer(Num) -> - check_bitstr(S,T,[{Id,Num}|Acc]); -check_bitstr(S,[{'NamedNumber',Id,Name}|T],Acc) when is_atom(Name) -> -%%check_bitstr(S,[{'NamedNumber',Id,{identifier,_,Name}}|T],Acc) -> -%% io:format("asn1ct_check:check_bitstr/3 hej hop ~w~n",[Name]), - Val = dbget_ex(S,S#state.mname,Name), -%% io:format("asn1ct_check:check_bitstr/3: ~w~n",[Val]), - check_bitstr(S,[{'NamedNumber',Id,Val#valuedef.value}|T],Acc); -check_bitstr(S,[],Acc) -> - case check_unique(Acc,2) of - [] -> - lists:keysort(2,Acc); - L when is_list(L) -> - error({type,{duplicate_values,L},S}), - unchanged - end; -%% When a BIT STRING already is checked, for instance a COMPONENTS OF S -%% where S is a sequence that has a component that is a checked BS, the -%% NamedNumber list is a list of {atom(),integer()} elements. -check_bitstr(S,[El={Id,Num}|Rest],Acc) when is_atom(Id),is_integer(Num) -> - check_bitstr(S,Rest,[El|Acc]). - +check_real(_S,_Constr) -> + ok. %% Check INSTANCE OF %% check that DefinedObjectClass is of TYPE-IDENTIFIER class @@ -5052,20 +4128,16 @@ check_instance_of(S,DefinedObjectClass,Constraint) -> check_type_identifier(S,DefinedObjectClass), iof_associated_type(S,Constraint). - -check_type_identifier(_S,'TYPE-IDENTIFIER') -> - ok; -check_type_identifier(S,Eref=#'Externaltypereference'{}) -> - case get_referenced_type(S,Eref) of - {_,#classdef{name='TYPE-IDENTIFIER'}} -> ok; - {_,#classdef{typespec=NextEref}} - when is_record(NextEref,'Externaltypereference') -> - check_type_identifier(S,NextEref); +check_type_identifier(S, Eref=#'Externaltypereference'{type=Class}) -> + case get_referenced_type(S, Eref) of + {_,#classdef{name='TYPE-IDENTIFIER'}} -> + ok; + {_,#classdef{typespec=#'Externaltypereference'{}=NextEref}} -> + check_type_identifier(S, NextEref); {_,TD=#typedef{typespec=#type{def=#'Externaltypereference'{}}}} -> - check_type_identifier(S,(TD#typedef.typespec)#type.def); - Err -> - error({type,{"object set in type INSTANCE OF " - "not of class TYPE-IDENTIFIER",Eref,Err},S}) + check_type_identifier(S, (TD#typedef.typespec)#type.def); + _ -> + asn1_error(S, {illegal_instance_of,Class}) end. iof_associated_type(S,[]) -> @@ -5074,12 +4146,7 @@ iof_associated_type(S,[]) -> case get(instance_of) of undefined -> AssociateSeq = iof_associated_type1(S,[]), - Tag = - case S#state.erule of - ber -> - [?TAG_CONSTRUCTED(?N_INSTANCE_OF)]; - _ -> [] - end, + Tag = [?TAG_CONSTRUCTED(?N_INSTANCE_OF)], TypeDef=#typedef{checked=true, name='INSTANCE OF', typespec=#type{tag=Tag, @@ -5105,16 +4172,11 @@ iof_associated_type1(S,C) -> [] -> 'ASN1_OPEN_TYPE'; _ -> {typefield,'Type'} end, - {ObjIdTag,C1TypeTag}= - case S#state.erule of - ber -> - {[{'UNIVERSAL',8}], - [#tag{class='UNIVERSAL', - number=6, - type='IMPLICIT', - form=0}]}; - _ -> {[{'UNIVERSAL','INTEGER'}],[]} - end, + ObjIdTag = [{'UNIVERSAL',8}], + C1TypeTag = [#tag{class='UNIVERSAL', + number=6, + type='IMPLICIT', + form=0}], TypeIdentifierRef=#'Externaltypereference'{module=ModuleName, type='TYPE-IDENTIFIER'}, ObjectIdentifier = @@ -5153,9 +4215,13 @@ iof_associated_type1(S,C) -> %% returns the leading attribute, the constraint of the components and %% the tablecinf value for the second component. -instance_of_constraints(_,[]) -> +instance_of_constraints(_, []) -> {false,[],[],[]}; -instance_of_constraints(S, [{simpletable,Type}]) -> +instance_of_constraints(S, [{element_set,{simpletable,C},none}]) -> + {element_set,Type,none} = C, + instance_of_constraints_1(S, Type). + +instance_of_constraints_1(S, Type) -> #type{def=#'Externaltypereference'{type=Name}} = Type, ModuleName = S#state.mname, ObjectSetRef=#'Externaltypereference'{module=ModuleName, @@ -5175,96 +4241,100 @@ instance_of_constraints(S, [{simpletable,Type}]) -> valueindex=[]}, {TableCInf,[{simpletable,Name}],CRel,[{objfun,ObjectSetRef}]}. -%% Check ENUMERATED -%% **************************************** -%% Check that all values are unique -%% assign values to un-numbered identifiers -%% check that the constraints are allowed and correct -%% put the updated info back into database -check_enumerated(_S,[{Name,Number}|_Rest]= NNList,_Constr) when is_atom(Name), is_integer(Number)-> - %% already checked , just return the same list - NNList; -check_enumerated(_S,{[{Name,Number}|_Rest],L}= NNList,_Constr) when is_atom(Name), is_integer(Number), is_list(L)-> - %% already checked , contains extension marker, just return the same lists - NNList; -check_enumerated(S,NamedNumberList,_Constr) -> - check_enum(S,NamedNumberList,[],[],[]). - -%% identifiers are put in Acc2 -%% returns either [{Name,Number}] or {[{Name,Number}],[{ExtName,ExtNumber}]} -%% the latter is returned if the ENUMERATION contains EXTENSIONMARK -check_enum(S,[{'NamedNumber',Id,Num}|T],Acc1,Acc2,Root) when is_integer(Num) -> - check_enum(S,T,[{Id,Num}|Acc1],Acc2,Root); -check_enum(S,[{'NamedNumber',Id,{identifier,_,Name}}|T],Acc1,Acc2,Root) -> - Val = dbget_ex(S,S#state.mname,Name), - check_enum(S,[{'NamedNumber',Id,Val#valuedef.value}|T],Acc1,Acc2,Root); -check_enum(S,['EXTENSIONMARK'|T],Acc1,Acc2,_Root) -> - NewAcc2 = lists:keysort(2,Acc1), - NewList = enum_number(lists:reverse(Acc2),NewAcc2,0,[],[]), - { NewList, check_enum(S,T,[],[],enum_counts(NewList))}; -check_enum(S,[Id|T],Acc1,Acc2,Root) when is_atom(Id) -> - check_enum(S,T,Acc1,[Id|Acc2],Root); -check_enum(_S,[],Acc1,Acc2,Root) -> - NewAcc2 = lists:keysort(2,Acc1), - enum_number(lists:reverse(Acc2),NewAcc2,0,[],Root). - - -% assign numbers to identifiers , numbers from 0 ... but must not -% be the same as already assigned to NamedNumbers -enum_number(Identifiers,NamedNumbers,Cnt,Acc,[]) -> - enum_number(Identifiers,NamedNumbers,Cnt,Acc); -enum_number(Identifiers,NamedNumbers,_Cnt,Acc,CountL) -> - enum_extnumber(Identifiers,NamedNumbers,Acc,CountL). - -enum_number([H|T],[{Id,Num}|T2],Cnt,Acc) when Num > Cnt -> - enum_number(T,[{Id,Num}|T2],Cnt+1,[{H,Cnt}|Acc]); -enum_number([H|T],[{Id,Num}|T2],Cnt,Acc) when Num < Cnt -> % negative Num - enum_number(T,T2,Cnt+1,[{H,Cnt},{Id,Num}|Acc]); -enum_number([],L2,_Cnt,Acc) -> - lists:append([lists:reverse(Acc),L2]); -enum_number(L,[{Id,Num}|T2],Cnt,Acc) -> % Num == Cnt - enum_number(L,T2,Cnt+1,[{Id,Num}|Acc]); -enum_number([H|T],[],Cnt,Acc) -> - enum_number(T,[],Cnt+1,[{H,Cnt}|Acc]). - -enum_extnumber(Identifiers,NamedNumbers,Acc,[C]) -> - check_add_enum_numbers(NamedNumbers,[C]), - enum_number(Identifiers,NamedNumbers,C,Acc); -enum_extnumber([H|T],[{Id,Num}|T2],Acc,[C|Counts]) when Num > C -> - enum_extnumber(T,[{Id,Num}|T2],[{H,C}|Acc],Counts); -enum_extnumber([],L2,Acc,Cnt) -> - check_add_enum_numbers(L2, Cnt), - lists:concat([lists:reverse(Acc),L2]); -enum_extnumber(_Identifiers,[{Id,Num}|_T2],_Acc,[C|_]) when Num < C -> -%% enum_extnumber(Identifiers,T2,[{Id,Num}|Acc],Counts); - exit({error,{asn1,"AdditionalEnumeration element with same number as root element",{Id,Num}}}); -enum_extnumber(Identifiers,[{Id,Num}|T2],Acc,[_C|Counts]) -> % Num =:= C - enum_extnumber(Identifiers,T2,[{Id,Num}|Acc],Counts); -enum_extnumber([H|T],[],Acc,[C|Counts]) -> - enum_extnumber(T,[],[{H,C}|Acc],Counts). - -enum_counts([]) -> - [0]; -enum_counts(L) -> - Used=[I||{_,I}<-L], - AddEnumLb = lists:max(Used) + 1, - lists:foldl(fun(El,AccIn)->lists:delete(El,AccIn) end, - lists:seq(0,AddEnumLb), - Used). -check_add_enum_numbers(L, Cnt) -> - Max = lists:max(Cnt), - Fun = fun({_,N}=El) when N < Max -> - case lists:member(N,Cnt) of - false -> - exit({error,{asn1,"AdditionalEnumeration element with same number as root element",El}}); - _ -> - ok - end; - (_) -> - ok - end, - lists:foreach(Fun,L). +%%% +%%% Check ENUMERATED. +%%% + +check_enumerated(_S, [{Name,Number}|_]=NNL) + when is_atom(Name), is_integer(Number) -> + %% Already checked. + NNL; +check_enumerated(_S, {[{Name,Number}|_],L}=NNL) + when is_atom(Name), is_integer(Number), is_list(L) -> + %% Already checked (with extension). + NNL; +check_enumerated(S, NNL) -> + check_enum_ids(S, NNL, gb_sets:empty()), + check_enum(S, NNL, gb_sets:empty(), []). + +check_enum_ids(S, [{'NamedNumber',Id,_}|T], Ids0) -> + Ids = check_enum_update_ids(S, Id, Ids0), + check_enum_ids(S, T, Ids); +check_enum_ids(S, ['EXTENSIONMARK'|T], Ids) -> + check_enum_ids(S, T, Ids); +check_enum_ids(S, [Id|T], Ids0) when is_atom(Id) -> + Ids = check_enum_update_ids(S, Id, Ids0), + check_enum_ids(S, T, Ids); +check_enum_ids(_, [], _) -> + ok. +check_enum(S, [{'NamedNumber',Id,N}|T], Used0, Acc) -> + Used = check_enum_update_used(S, Id, N, Used0), + check_enum(S, T, Used, [{Id,N}|Acc]); +check_enum(S, ['EXTENSIONMARK'|Ext0], Used0, Acc0) -> + Acc = lists:reverse(Acc0), + {Root,Used,Cnt} = check_enum_number_root(Acc, Used0, 0, []), + Ext = check_enum_ext(S, Ext0, Used, Cnt, []), + {Root,Ext}; +check_enum(S, [Id|T], Used, Acc) when is_atom(Id) -> + check_enum(S, T, Used, [Id|Acc]); +check_enum(_, [], Used, Acc0) -> + Acc = lists:reverse(Acc0), + {Root,_,_} = check_enum_number_root(Acc, Used, 0, []), + lists:keysort(2, Root). + +check_enum_number_root([Id|T]=T0, Used0, Cnt, Acc) when is_atom(Id) -> + case gb_sets:is_element(Cnt, Used0) of + false -> + Used = gb_sets:insert(Cnt, Used0), + check_enum_number_root(T, Used, Cnt+1, [{Id,Cnt}|Acc]); + true -> + check_enum_number_root(T0, Used0, Cnt+1, Acc) + end; +check_enum_number_root([H|T], Used, Cnt, Acc) -> + check_enum_number_root(T, Used, Cnt, [H|Acc]); +check_enum_number_root([], Used, Cnt, Acc) -> + {lists:keysort(2, Acc),Used,Cnt}. + +check_enum_ext(S, [{'NamedNumber',Id,N}|T], Used0, C, Acc) -> + Used = check_enum_update_used(S, Id, N, Used0), + if + N < C -> + asn1_error(S, {enum_not_ascending,Id,N,C-1}); + true -> + ok + end, + check_enum_ext(S, T, Used, N+1, [{Id,N}|Acc]); +check_enum_ext(S, [Id|T]=T0, Used0, C, Acc) when is_atom(Id) -> + case gb_sets:is_element(C, Used0) of + true -> + check_enum_ext(S, T0, Used0, C+1, Acc); + false -> + Used = gb_sets:insert(C, Used0), + check_enum_ext(S, T, Used, C+1, [{Id,C}|Acc]) + end; +check_enum_ext(_, [], _, _, Acc) -> + lists:keysort(2, Acc). + +check_enum_update_ids(S, Id, Ids) -> + case gb_sets:is_element(Id, Ids) of + false -> + gb_sets:insert(Id, Ids); + true -> + asn1_error(S, {enum_illegal_redefinition,Id}) + end. + +check_enum_update_used(S, Id, N, Used) -> + case gb_sets:is_element(N, Used) of + false -> + gb_sets:insert(N, Used); + true -> + asn1_error(S, {enum_reused_value,Id,N}) + end. + +%%% +%%% End of ENUMERATED checking. +%%% check_boolean(_S,_Constr) -> ok. @@ -5309,7 +4379,7 @@ check_sequence(S,Type,Comps) -> CompListTuple = complist_as_tuple(NewComps4), {CRelInf,CompListTuple}; Dupl -> - throw({error,{asn1,{duplicate_components,Dupl}}}) + asn1_error(S, {duplicate_identifier, error_value(hd(Dupl))}) end. complist_as_tuple(CompList) -> @@ -5319,8 +4389,6 @@ complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, root) -> complist_as_tuple(T, Acc, Ext, Acc2, ext); complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, ext) -> complist_as_tuple(T, Acc, Ext, Acc2, root2); -complist_as_tuple([#'EXTENSIONMARK'{}|_T], _Acc, _Ext, _Acc2, root2) -> - throw({error,{asn1,{too_many_extension_marks}}}); complist_as_tuple([C|T], Acc, Ext, Acc2, root) -> complist_as_tuple(T, [C|Acc], Ext, Acc2, root); complist_as_tuple([C|T], Acc, Ext, Acc2, ext) -> @@ -5363,11 +4431,11 @@ expand_components2(S,{_,PT={pt,_,_}}) -> expand_components2(S,{_,OCFT = #'ObjectClassFieldType'{}}) -> UncheckedType = #type{def=OCFT}, Type = check_type(S,#typedef{typespec=UncheckedType},UncheckedType), - expand_components2(S,{undefined,oCFT_def(S,Type)}); + expand_components2(S, {undefined,ocft_def(Type)}); expand_components2(S,{_,ERef}) when is_record(ERef,'Externaltypereference') -> expand_components2(S,get_referenced_type(S,ERef)); -expand_components2(_S,Err) -> - throw({error,{asn1,{illegal_COMPONENTS_OF,Err}}}). +expand_components2(S,{_, What}) -> + asn1_error(S, {illegal_COMPONENTS_OF, error_value(What)}). take_only_rootset([])-> []; @@ -5416,7 +4484,7 @@ check_sequenceof(S,Type,Component) when is_record(Component,type) -> check_set(S,Type,Components) -> {TableCInf,NewComponents} = check_sequence(S,Type,Components), - check_distinct_tags(NewComponents,[]), + check_unique_tags(S, collect_components(NewComponents), []), case {lists:member(der,S#state.options),S#state.erule} of {true,_} -> {Sorted,SortedComponents} = sort_components(der,S,NewComponents), @@ -5428,35 +4496,21 @@ check_set(S,Type,Components) -> {false,TableCInf,NewComponents} end. - -%% check that all tags are distinct according to X.680 26.3 -check_distinct_tags({C1,C2,C3},Acc) when is_list(C1),is_list(C2),is_list(C3) -> - check_distinct_tags(C1++C2++C3,Acc); -check_distinct_tags({C1,C2},Acc) when is_list(C1),is_list(C2) -> - check_distinct_tags(C1++C2,Acc); -check_distinct_tags([#'ComponentType'{tags=[T]}|Cs],Acc) -> - check_distinct(T,Acc), - check_distinct_tags(Cs,[T|Acc]); -check_distinct_tags([C=#'ComponentType'{tags=[T|Ts]}|Cs],Acc) -> - check_distinct(T,Acc), - check_distinct_tags([C#'ComponentType'{tags=Ts}|Cs],[T|Acc]); -check_distinct_tags([#'ComponentType'{tags=[]}|_Cs],_Acc) -> - throw({error,"Not distinct tags in SET"}); -check_distinct_tags([],_) -> - ok. -check_distinct(T,Acc) -> - case lists:member(T,Acc) of - true -> - throw({error,"Not distinct tags in SET"}); - _ -> ok - end. +collect_components({C1,C2,C3}) -> + collect_components(C1++C2++C3); +collect_components({C1,C2}) -> + collect_components(C1++C2); +collect_components(Cs) -> + %% Assert that tags are not empty + [] = [EmptyTag || EmptyTag = #'ComponentType'{tags=[]} <- Cs], + Cs. %% sorting in canonical order according to X.680 8.6, X.691 9.2 %% DER: all components shall be sorted in canonical order. %% PER: only root components shall be sorted in canonical order. The %% extension components shall remain in textual order. %% -sort_components(der,S=#state{tname=TypeName},Components) -> +sort_components(der, S, Components) -> {R1,Ext,R2} = extension(textual_order(Components)), CompsList = case Ext of noext -> R1; @@ -5464,88 +4518,34 @@ sort_components(der,S=#state{tname=TypeName},Components) -> end, case {untagged_choice(S,CompsList),Ext} of {false,noext} -> - {true,sort_components1(S,TypeName,CompsList,[],[],[],[])}; + {true,sort_components1(CompsList)}; {false,_} -> - {true,{sort_components1(S,TypeName,CompsList,[],[],[],[]), []}}; + {true,{sort_components1(CompsList),[]}}; {true,noext} -> %% sort in run-time {dynamic,R1}; _ -> {dynamic,{R1, Ext, R2}} end; -sort_components(per,S=#state{tname=TypeName},Components) -> +sort_components(per, S, Components) -> {R1,Ext,R2} = extension(textual_order(Components)), Root = tag_untagged_choice(S,R1++R2), case Ext of noext -> - {true,sort_components1(S,TypeName,Root,[],[],[],[])}; + {true,sort_components1(Root)}; _ -> - {true,{sort_components1(S,TypeName,Root,[],[],[],[]), - Ext}} + {true,{sort_components1(Root),Ext}} end. -sort_components1(S,TypeName,[C=#'ComponentType'{tags=[{'UNIVERSAL',_}|_R]}|Cs], - UnivAcc,ApplAcc,ContAcc,PrivAcc) -> - sort_components1(S,TypeName,Cs,[C|UnivAcc],ApplAcc,ContAcc,PrivAcc); -sort_components1(S,TypeName,[C=#'ComponentType'{tags=[{'APPLICATION',_}|_R]}|Cs], - UnivAcc,ApplAcc,ContAcc,PrivAcc) -> - sort_components1(S,TypeName,Cs,UnivAcc,[C|ApplAcc],ContAcc,PrivAcc); -sort_components1(S,TypeName,[C=#'ComponentType'{tags=[{'CONTEXT',_}|_R]}|Cs], - UnivAcc,ApplAcc,ContAcc,PrivAcc) -> - sort_components1(S,TypeName,Cs,UnivAcc,ApplAcc,[C|ContAcc],PrivAcc); -sort_components1(S,TypeName,[C=#'ComponentType'{tags=[{'PRIVATE',_}|_R]}|Cs], - UnivAcc,ApplAcc,ContAcc,PrivAcc) -> - sort_components1(S,TypeName,Cs,UnivAcc,ApplAcc,ContAcc,[C|PrivAcc]); -sort_components1(S,TypeName,[],UnivAcc,ApplAcc,ContAcc,PrivAcc) -> - I = #'ComponentType'.tags, - ascending_order_check(S,TypeName,sort_universal_type(UnivAcc)) ++ - ascending_order_check(S,TypeName,lists:keysort(I,ApplAcc)) ++ - ascending_order_check(S,TypeName,lists:keysort(I,ContAcc)) ++ - ascending_order_check(S,TypeName,lists:keysort(I,PrivAcc)). - -ascending_order_check(S,TypeName,Components) -> - ascending_order_check1(S,TypeName,Components), - Components. - -ascending_order_check1(S,TypeName, - [C1 = #'ComponentType'{tags=[{_,T}|_]}, - C2 = #'ComponentType'{tags=[{_,T}|_]}|Rest]) -> - asn1ct:warning("Indistinct tag ~p in SET ~p, components ~p and ~p~n", - [T,TypeName,C1#'ComponentType'.name,C2#'ComponentType'.name],S, - "Indistinct tag in SET"), - ascending_order_check1(S,TypeName,[C2|Rest]); -ascending_order_check1(S,TypeName, - [C1 = #'ComponentType'{tags=[{'UNIVERSAL',T1}|_]}, - C2 = #'ComponentType'{tags=[{'UNIVERSAL',T2}|_]}|Rest]) -> - case (decode_type(T1) == decode_type(T2)) of - true -> - asn1ct:warning("Indistinct tags ~p and ~p in" - " SET ~p, components ~p and ~p~n", - [T1,T2,TypeName,C1#'ComponentType'.name, - C2#'ComponentType'.name],S, - "Indistinct tags and in SET"), - ascending_order_check1(S,TypeName,[C2|Rest]); - _ -> - ascending_order_check1(S,TypeName,[C2|Rest]) - end; -ascending_order_check1(S,N,[_|Rest]) -> - ascending_order_check1(S,N,Rest); -ascending_order_check1(_,_,[]) -> - ok. - -sort_universal_type(Components) -> - List = lists:map(fun(C) -> - #'ComponentType'{tags=[{_,T}|_]} = C, - {decode_type(T),C} - end, - Components), - SortedList = lists:keysort(1,List), - lists:map(fun(X)->element(2,X) end,SortedList). - -decode_type(I) when is_integer(I) -> - I; -decode_type(T) -> - asn1ct_gen_ber_bin_v2:decode_type(T). +sort_components1(Cs0) -> + Cs1 = [{tag_key(Tag),C} || #'ComponentType'{tags=[Tag|_]}=C <- Cs0], + Cs = lists:sort(Cs1), + [C || {_,C} <- Cs]. + +tag_key({'UNIVERSAL',Tag}) -> {0,Tag}; +tag_key({'APPLICATION',Tag}) -> {1,Tag}; +tag_key({'CONTEXT',Tag}) -> {2,Tag}; +tag_key({'PRIVATE',Tag}) -> {3,Tag}. untagged_choice(_S,[#'ComponentType'{typespec=#type{tag=[],def={'CHOICE',_}}}|_Rest]) -> true; @@ -5641,35 +4641,43 @@ check_selectiontype(S,Name,#type{def=Eref}) {RefMod,TypeDef} = get_referenced_type(S,Eref), NewS = S#state{module=load_asn1_module(S,RefMod), mname=RefMod, - type=TypeDef, tname=get_datastr_name(TypeDef)}, check_selectiontype2(NewS,Name,TypeDef); check_selectiontype(S,Name,Type=#type{def={pt,_,_}}) -> - TName = - case S#state.recordtopname of - [] -> - S#state.tname; - N -> N - end, + TName = case S#state.recordtopname of + [] -> S#state.tname; + N -> N + end, TDef = #typedef{name=TName,typespec=Type}, check_selectiontype2(S,Name,TDef); -check_selectiontype(S,Name,Type) -> - Msg = lists:flatten(io_lib:format("SelectionType error: ~w < ~w must be a reference to a CHOICE.",[Name,Type])), - error({type,Msg,S}). +check_selectiontype(S, _Name, Type) -> + asn1_error(S, {illegal_choice_type, error_value(Type)}). check_selectiontype2(S,Name,TypeDef) -> NewS = S#state{recordtopname=get_datastr_name(TypeDef)}, - CheckedType = check_type(NewS,TypeDef,TypeDef#typedef.typespec), - Components = get_choice_components(S,CheckedType#type.def), - case lists:keysearch(Name,#'ComponentType'.name,Components) of - {value,C} -> - %% The selected type will have the tag of the selected type. - _T = C#'ComponentType'.typespec; -% T#type{tag=def_to_tag(NewS,T#type.def)}; - _ -> - Msg = lists:flatten(io_lib:format("error checking SelectionType: ~w~n",[Name])), - error({type,Msg,S}) + Components = + try + CheckedType = check_type(NewS,TypeDef,TypeDef#typedef.typespec), + get_choice_components(S,CheckedType#type.def) + catch error:_ -> + asn1_error(S, {illegal_choice_type, error_value(TypeDef)}) + end, + case lists:keyfind(Name, #'ComponentType'.name, Components) of + #'ComponentType'{typespec=TS} -> TS; + false -> asn1_error(S, {illegal_id, error_value(Name)}) end. + + +get_choice_components(_S,{'CHOICE',Components}) when is_list(Components)-> + Components; +get_choice_components(_S,{'CHOICE',{C1,C2}}) when is_list(C1),is_list(C2) -> + C1++C2; +get_choice_components(S,ERef=#'Externaltypereference'{}) -> + {_RefMod,TypeDef}=get_referenced_type(S,ERef), + #typedef{typespec=TS} = TypeDef, + get_choice_components(S,TS#type.def). + + check_restrictedstring(_S,_Def,_Constr) -> ok. @@ -5702,7 +4710,7 @@ check_choice(S,Type,Components) when is_list(Components) -> check_unique_tags(S, NewComps3), complist_as_tuple(NewComps3); Dupl -> - throw({error,{asn1,{duplicate_choice_alternatives,Dupl}}}) + asn1_error(S, {duplicate_identifier,error_value(hd(Dupl))}) end; check_choice(_S,_,[]) -> []. @@ -5799,25 +4807,30 @@ check_unique_tags(S,C) -> case (S#state.module)#module.tagdefault of 'AUTOMATIC' -> case any_manual_tag(C) of - false -> true; - _ -> collect_and_sort_tags(C,[]) + false -> + true; + true -> + check_unique_tags(S, C, []) end; _ -> - collect_and_sort_tags(C,[]) + check_unique_tags(S, C, []) end. -collect_and_sort_tags([C|Rest],Acc) when is_record(C,'ComponentType') -> - collect_and_sort_tags(Rest,C#'ComponentType'.tags ++ Acc); -collect_and_sort_tags([_|Rest],Acc) -> - collect_and_sort_tags(Rest,Acc); -collect_and_sort_tags([],Acc) -> - {Dupl,_}= lists:mapfoldl(fun(El,El)->{{dup,El},El};(El,_Prev)-> {El,El} end,notag,lists:sort(Acc)), - Dupl2 = [Dup|| {dup,Dup} <- Dupl], - if - length(Dupl2) > 0 -> - throw({error,{asn1,{duplicates_of_the_tags,Dupl2}}}); - true -> - true +check_unique_tags(S, [#'ComponentType'{name=Name,tags=Tags0}|T], Acc) -> + Tags = [{Tag,Name} || Tag <- Tags0], + check_unique_tags(S, T, Tags ++ Acc); +check_unique_tags(S, [_|T], Acc) -> + check_unique_tags(S, T, Acc); +check_unique_tags(S, [], Acc) -> + R0 = sofs:relation(Acc), + R1 = sofs:relation_to_family(R0), + R2 = sofs:to_external(R1), + Dup = [Els || {_,[_,_|_]=Els} <- R2], + case Dup of + [] -> + ok; + [FirstDupl|_] -> + asn1_error(S, {duplicate_tags,FirstDupl}) end. check_unique(L,Pos) -> @@ -5959,28 +4972,18 @@ componentrelation_leadingattr(S,[C= #'ComponentType'{}|Cs],CompList,Acc,CompAcc) {[],C}; [{ObjSet,Attr,N,ClassDef,_Path,ValueIndex}|_NewRest] -> OS = object_set_mod_name(S,ObjSet), - UniqueFieldName = - case (catch get_unique_fieldname(S,#classdef{typespec=ClassDef})) of - {error,'__undefined_',_} -> - no_unique; - {asn1,Msg,_} -> - error({type,Msg,S}); - {'EXIT',Msg} -> - error({type,{internal_error,Msg},S}); - {Other,_} -> Other - end, -% UsedFieldName = get_used_fieldname(S,Attr,STList), + UniqFN = get_unique_fieldname(S, + #classdef{typespec=ClassDef}), %% Res should be done differently: even though %% a unique field name exists it is not %% certain that the ObjectClassFieldType of %% the simple table constraint picks that %% class field. Res = #simpletableattributes{objectsetname=OS, -%% c_name=asn1ct_gen:un_hyphen_var(Attr), c_name=Attr, c_index=N, - usedclassfield=UniqueFieldName, - uniqueclassfield=UniqueFieldName, + usedclassfield=UniqFN, + uniqueclassfield=UniqFN, valueindex=ValueIndex}, {[Res],C#'ComponentType'{typespec=NewTSpec}} end; @@ -6033,7 +5036,7 @@ remove_doubles1(El,L) -> NewL -> remove_doubles1(El,NewL) end. -%% get_simple_table_info searches the commponents Cs by the path from +%% get_simple_table_info searches the components Cs by the path from %% an at-list (third argument), and follows into a component of it if %% necessary, to get information needed for code generating. %% @@ -6048,32 +5051,35 @@ remove_doubles1(El,L) -> % %% at least one step below the outermost level, i.e. the leading % %% information shall be on a sub level. 2) They don't have any common % %% path. -get_simple_table_info(S,Cs,[AtList|Rest]) -> - [get_simple_table_info1(S,Cs,AtList,[])|get_simple_table_info(S,Cs,Rest)]; -get_simple_table_info(_,_,[]) -> - []. -get_simple_table_info1(S,Cs,[Cname|Cnames],Path) when is_list(Cs) -> - case lists:keysearch(Cname,#'ComponentType'.name,Cs) of - {value,C} -> - get_simple_table_info1(S,C,Cnames,[Cname|Path]); - _ -> - error({type,"Missing expected simple table constraint",S}) - end; -get_simple_table_info1(S,#'ComponentType'{typespec=TS},[],Path) -> - %% In this component there must be a simple table constraint - %% o.w. the asn1 code is wrong. - #type{def=OCFT,constraint=Cnstr} = TS, - case constraint_member(simpletable,Cnstr) of - {true,{simpletable,_OSRef}} -> - simple_table_info(S,OCFT,Path); - _ -> - error({type,{"missing expected simple table constraint", - Cnstr},S}) +get_simple_table_info(S, Cs, AtLists) -> + [get_simple_table_info1(S, Cs, AtList, []) || AtList <- AtLists]. + +get_simple_table_info1(S, Cs, [Cname|Cnames], Path) -> + #'ComponentType'{} = C = + lists:keyfind(Cname, #'ComponentType'.name, Cs), + get_simple_table_info2(S, C, Cnames, [Cname|Path]). + +get_simple_table_info2(S, #'ComponentType'{name=Name,typespec=TS}, [], Path) -> + OCFT = simple_table_get_ocft(S, Name, TS), + case lists:keymember(simpletable, 1, TS#type.constraint) of + true -> + simple_table_info(S, OCFT, Path); + false -> + asn1_error(S, {missing_table_constraint,Name}) end; -get_simple_table_info1(S,#'ComponentType'{typespec=TS},Cnames,Path) -> +get_simple_table_info2(S, #'ComponentType'{typespec=TS}, Cnames, Path) -> Components = get_atlist_components(TS#type.def), - get_simple_table_info1(S,Components,Cnames,Path). - + get_simple_table_info1(S, Components, Cnames, Path). + +simple_table_get_ocft(_, _, #type{def=#'ObjectClassFieldType'{}=OCFT}) -> + OCFT; +simple_table_get_ocft(S, Component, #type{constraint=Constr}) -> + case lists:keyfind(ocft, 1, Constr) of + {ocft,OCFT} -> + OCFT; + false -> + asn1_error(S, {missing_ocft,Component}) + end. simple_table_info(S,#'ObjectClassFieldType'{classname=ClRef, class=ObjectClass, @@ -6096,19 +5102,8 @@ simple_table_info(S,#'ObjectClassFieldType'{classname=ClRef, CDef; _ -> #classdef{typespec=ObjectClass} end, - UniqueName = - case (catch get_unique_fieldname(S,ClassDef)) of - {error,'__undefined_',_} -> no_unique; - {asn1,Msg,_} -> - error({type,Msg,S}); - {'EXIT',Msg} -> - error({type,{internal_error,Msg},S}); - {Other,_} -> Other - end, - {lists:reverse(Path),ObjectClassFieldName,UniqueName}; -simple_table_info(S,Type,_) -> - error({type,{"the type referenced by a componentrelation constraint must be a ObjectClassFieldType",Type},S}). - + UniqueName = get_unique_fieldname(S, ClassDef), + {lists:reverse(Path),ObjectClassFieldName,UniqueName}. %% any_component_relation searches for all component relation %% constraints that refers to the actual level and returns a list of @@ -6122,9 +5117,8 @@ simple_table_info(S,Type,_) -> %% is found to check the validity of the at-list. any_component_relation(S,[#'ComponentType'{name=CName,typespec=Type}|Cs],CNames,NamePath,Acc) -> CRelPath = - case constraint_member(componentrelation,Type#type.constraint) of -%% [{componentrelation,_,AtNotation}] -> - {true,{_,_,AtNotation}} -> + case lists:keyfind(componentrelation, 1, Type#type.constraint) of + {_,_,AtNotation} -> %% Found component relation constraint, now check %% whether this constraint is relevant for the level %% where the search started @@ -6133,7 +5127,7 @@ any_component_relation(S,[#'ComponentType'{name=CName,typespec=Type}|Cs],CNames, %% simple table constraint from where the component %% relation is found. evaluate_atpath(S,NamePath,CNames,AtNot); - _ -> + false -> [] end, InnerAcc = @@ -6155,11 +5149,11 @@ any_component_relation(S,[#'ComponentType'{name=CName,typespec=Type}|Cs],CNames, any_component_relation(S,Cs,CNames,NamePath,InnerAcc++CRelPath++Acc); any_component_relation(S,Type,CNames,NamePath,Acc) when is_record(Type,type) -> CRelPath = - case constraint_member(componentrelation,Type#type.constraint) of - {true,{_,_,AtNotation}} -> + case lists:keyfind(componentrelation, 1, Type#type.constraint) of + {_,_,AtNotation} -> AtNot = extract_at_notation(AtNotation), evaluate_atpath(S,NamePath,CNames,AtNot); - _ -> + false -> [] end, InnerAcc = @@ -6181,15 +5175,6 @@ any_component_relation(S,['ExtensionAdditionGroupEnd'|Cs],CNames,NamePath,Acc) - any_component_relation(_,[],_,_,Acc) -> Acc. -constraint_member(componentrelation,[CRel={componentrelation,_,_}|_Rest]) -> - {true,CRel}; -constraint_member(simpletable,[ST={simpletable,_}|_Rest]) -> - {true,ST}; -constraint_member(Key,[_H|T]) -> - constraint_member(Key,T); -constraint_member(_,[]) -> - false. - %% evaluate_atpath/4 finds out whether the at notation refers to the %% search level. The list of referenced names in the AtNot list shall %% begin with a name that exists on the level it refers to. If the @@ -6223,9 +5208,7 @@ evaluate_atpath(S=#state{abscomppath=TopPath},NamePath,Cnames,{outermost,AtPath= {_,[H|_T]} -> case lists:member(H,Cnames) of true -> [AtPathBelowTop]; - _ -> - %% error({type,{asn1,"failed to analyze at-path",AtPath},S}) - throw({type,{asn1,"failed to analyze at-path",AtPath},S}) + _ -> asn1_error(S, {invalid_at_path, AtPath}) end end; evaluate_atpath(_,_,_,_) -> @@ -6262,23 +5245,8 @@ tuple2complist({R1,E,R2}) -> tuple2complist(List) when is_list(List) -> List. -get_choice_components(_S,{'CHOICE',Components}) when is_list(Components)-> - Components; -get_choice_components(_S,{'CHOICE',{C1,C2}}) when is_list(C1),is_list(C2) -> - C1++C2; -get_choice_components(S,ERef=#'Externaltypereference'{}) -> - {_RefMod,TypeDef}=get_referenced_type(S,ERef), - #typedef{typespec=TS} = TypeDef, - get_choice_components(S,TS#type.def). - -extract_at_notation([{Level,[#'Externalvaluereference'{value=Name}|Rest]}]) -> - {Level,[Name|extract_at_notation1(Rest)]}; -extract_at_notation(At) -> - exit({error,{asn1,{at_notation,At}}}). -extract_at_notation1([#'Externalvaluereference'{value=Name}|Rest]) -> - [Name|extract_at_notation1(Rest)]; -extract_at_notation1([]) -> - []. +extract_at_notation([{Level,ValueRefs}]) -> + {Level,[Name || #'Externalvaluereference'{value=Name} <- ValueRefs]}. %% componentrelation1/1 identifies all componentrelation constraints %% that exist in C or in the substructure of C. Info about the found @@ -6297,8 +5265,8 @@ componentrelation1(S,C = #type{def=Def,constraint=Constraint,tablecinf=TCI}, Ret = % case Constraint of % [{componentrelation,{_,_,ObjectSet},AtList}|_Rest] -> - case constraint_member(componentrelation,Constraint) of - {true,{_,{_,_,ObjectSet},AtList}} -> + case lists:keyfind(componentrelation, 1, Constraint) of + {_,{_,_,ObjectSet},AtList} -> [{_,AL=[#'Externalvaluereference'{}|_R1]}|_R2] = AtList, %% Note: if Path is longer than one,i.e. it is within %% an inner type of the actual level, then the only @@ -6309,7 +5277,7 @@ componentrelation1(S,C = #type{def=Def,constraint=Constraint,tablecinf=TCI}, lists:map(fun(#'Externalvaluereference'{value=V})->V end, AL), {[{ObjectSet,AtPath,ClassDef,Path}],Def}; - _ -> + false -> %% check the inner type of component innertype_comprel(S,Def,Path) end, @@ -6383,10 +5351,8 @@ componentlist_comprel(_,[],Acc,_,NewCL) -> innertype_comprel1(S,T = #type{def=Def,constraint=Cons,tablecinf=TCI},Path) -> Ret = -% case Cons of -% [{componentrelation,{_,_,ObjectSet},AtList}|_Rest] -> - case constraint_member(componentrelation,Cons) of - {true,{_,{_,_,ObjectSet},AtList}} -> + case lists:keyfind(componentrelation, 1, Cons) of + {_,{_,_,ObjectSet},AtList} -> %% This AtList must have an "outermost" at sign to be %% relevent here. [{_,AL=[#'Externalvaluereference'{value=_Attr}|_R1]}|_R2] @@ -6397,7 +5363,7 @@ innertype_comprel1(S,T = #type{def=Def,constraint=Cons,tablecinf=TCI},Path) -> lists:map(fun(#'Externalvaluereference'{value=V})->V end, AL), [{ObjectSet,AtPath,ClassDef,Path}]; - _ -> + false -> innertype_comprel(S,Def,Path) end, case Ret of @@ -6465,8 +5431,7 @@ value_match(S,#'ComponentType'{typespec=Type},Name,[At|Ats],Acc) -> InnerType = asn1ct_gen:get_inner(Type#type.def), Components = case get_atlist_components(Type#type.def) of - [] -> error({type,{asn1,"element in at list must be a " - "SEQUENCE, SET or CHOICE.",Name},S}); + [] -> asn1_error(S, {invalid_element, Name}); Comps -> Comps end, {Index,ValueIndex} = component_value_index(S,InnerType,At,Components), @@ -6486,29 +5451,27 @@ component_index1(_S,Name,[#'ComponentType'{name=Name}|_Cs],N) -> component_index1(S,Name,[_C|Cs],N) -> component_index1(S,Name,Cs,N+1); component_index1(S,Name,[],_) -> - error({type,{asn1,"component of at-list was not" - " found in substructure",Name},S}). + asn1_error(S, {invalid_at_list, Name}). -get_unique_fieldname(_S,ClassDef) when is_record(ClassDef,classdef) -> -%% {_,Fields,_} = ClassDef#classdef.typespec, - Fields = (ClassDef#classdef.typespec)#objectclass.fields, - get_unique_fieldname1(Fields,[]); +get_unique_fieldname(S, #classdef{typespec=TS}) -> + Fields = TS#objectclass.fields, + get_unique_fieldname1(S, Fields, []); get_unique_fieldname(S,#typedef{typespec=#type{def=ClassRef}}) -> %% A class definition may be referenced as %% REFED-CLASS ::= DEFINED-CLASS and then REFED-CLASS is a typedef {_M,ClassDef} = get_referenced_type(S,ClassRef), get_unique_fieldname(S,ClassDef). -get_unique_fieldname1([],[]) -> - throw({error,'__undefined_',[]}); -get_unique_fieldname1([],[Name]) -> - Name; -get_unique_fieldname1([],Acc) -> - throw({asn1,'only one UNIQUE field is allowed in CLASS',Acc}); -get_unique_fieldname1([{fixedtypevaluefield,Name,_,'UNIQUE',Opt}|Rest],Acc) -> - get_unique_fieldname1(Rest,[{Name,Opt}|Acc]); -get_unique_fieldname1([_H|T],Acc) -> - get_unique_fieldname1(T,Acc). +get_unique_fieldname1(S, [{fixedtypevaluefield,Name,_,'UNIQUE',Opt}|T], Acc) -> + get_unique_fieldname1(S, T, [{Name,Opt}|Acc]); +get_unique_fieldname1(S, [_|T], Acc) -> + get_unique_fieldname1(S, T, Acc); +get_unique_fieldname1(S, [], Acc) -> + case Acc of + [] -> no_unique; + [Name] -> Name; + [_|_] -> asn1_error(S, multiple_uniqs) + end. get_tableconstraint_info(S,Type,{CheckedTs,EComps,CheckedTs2}) -> {get_tableconstraint_info(S,Type,CheckedTs,[]), @@ -6564,31 +5527,8 @@ get_tableconstraint_info(S,Type,[C|Cs],Acc) -> get_referenced_fieldname([{_,FirstFieldname}]) -> {FirstFieldname,[]}; -get_referenced_fieldname([{_,FirstFieldname}|Rest]) -> - {FirstFieldname,lists:map(fun(X)->element(2,X) end,Rest)}; -get_referenced_fieldname(Def={FieldName,RestFieldName}) when is_atom(FieldName),is_list(RestFieldName)-> - Def; -get_referenced_fieldname(Def) -> - {no_type,Def}. - -%% get_ObjectClassFieldType extracts the type from the chain of -%% objects that leads to a final type. -get_ObjectClassFieldType(S,ERef,PrimFieldNameList) when - is_record(ERef,'Externaltypereference') -> - {MName,Type} = get_referenced_type(S,ERef), - NewS = update_state(S#state{type=Type, - tname=ERef#'Externaltypereference'.type},MName), - ClassSpec = check_class(NewS,Type), - Fields = ClassSpec#objectclass.fields, - get_ObjectClassFieldType(S,Fields,PrimFieldNameList); -get_ObjectClassFieldType(S,Fields,L=[_PrimFieldName1|_Rest]) -> - check_PrimitiveFieldNames(S,Fields,L), - get_OCFType(S,Fields,L); -get_ObjectClassFieldType(S,ERef,{FieldName,Rest}) -> - get_ObjectClassFieldType(S,ERef,Rest ++ [FieldName]). - -check_PrimitiveFieldNames(_S,_Fields,_) -> - ok. +get_referenced_fieldname([{_,FirstFieldname}|T]) -> + {FirstFieldname,[element(2, X) || X <- T]}. %% get_ObjectClassFieldType_classdef gets the def of the class of the %% ObjectClassFieldType, i.e. the objectclass record. If the type has @@ -6609,15 +5549,13 @@ get_OCFType(S,Fields,[PrimFieldName|Rest]) -> {fixedtypevaluefield,PrimFieldName,Type}; {value,{objectfield,_,ClassRef,_Unique,_OptSpec}} -> {MName,ClassDef} = get_referenced_type(S,ClassRef), - NewS = update_state(S#state{type=ClassDef, - tname=get_datastr_name(ClassDef)}, + NewS = update_state(S#state{tname=get_datastr_name(ClassDef)}, MName), CheckedCDef = check_class(NewS,ClassDef), get_OCFType(S,CheckedCDef#objectclass.fields,Rest); {value,{objectsetfield,_,Type,_OptSpec}} -> {MName,ClassDef} = get_referenced_type(S,Type#type.def), - NewS = update_state(S#state{type=ClassDef, - tname=get_datastr_name(ClassDef)}, + NewS = update_state(S#state{tname=get_datastr_name(ClassDef)}, MName), CheckedCDef = check_class(NewS,ClassDef), get_OCFType(S,CheckedCDef#objectclass.fields,Rest); @@ -6625,7 +5563,7 @@ get_OCFType(S,Fields,[PrimFieldName|Rest]) -> {value,Other} -> {element(1,Other),PrimFieldName}; _ -> - throw({error,lists:flatten(io_lib:format("undefined FieldName in ObjectClassFieldType: ~w",[PrimFieldName]))}) + asn1_error(S, {illegal_object_field, PrimFieldName}) end. get_taglist(S,Ext) when is_record(Ext,'Externaltypereference') -> @@ -6649,30 +5587,8 @@ get_taglist(_S,#'ObjectClassFieldType'{type={typefield,_}}) -> []; get_taglist(S,#'ObjectClassFieldType'{type={fixedtypevaluefield,_,Type}}) -> get_taglist(S,Type); -get_taglist(S,{ERef=#'Externaltypereference'{},FieldNameList}) - when is_list(FieldNameList) -> - case get_ObjectClassFieldType(S,ERef,FieldNameList) of - {fixedtypevaluefield,_,Type} -> get_taglist(S,Type); - {TypeFieldName,_} when is_atom(TypeFieldName) -> []%should check if allowed - end; -get_taglist(S,{ObjCl,FieldNameList}) when is_record(ObjCl,objectclass), - is_list(FieldNameList) -> - case get_ObjectClassFieldType(S,ObjCl#objectclass.fields,FieldNameList) of - {fixedtypevaluefield,_,Type} -> get_taglist(S,Type); - {TypeFieldName,_} when is_atom(TypeFieldName) -> []%should check if allowed - end; -get_taglist(S,Def) -> - case S#state.erule of - ber -> - []; - _ -> - case Def of - 'ASN1_OPEN_TYPE' -> % open_type has no UNIVERSAL tag as such - []; - _ -> - [asn1ct_gen:def_to_tag(Def)] - end - end. +get_taglist(_, _) -> + []. get_taglist1(S,[#'ComponentType'{name=_Cname,tags=TagL}|Rest]) when is_list(TagL) -> %% tag_list has been here , just return TagL and continue with next alternative @@ -6729,15 +5645,6 @@ get_taglist1(_S,[]) -> %% tag_number('CHARACTER STRING') -> 29; %% tag_number('BMPString') -> 30. - -dbget_ex(_S,Module,Key) -> - case asn1_db:dbget(Module,Key) of - undefined -> - - throw({error,{asn1,{undefined,{Module,Key}}}}); % this is catched on toplevel type or value - T -> T - end. - merge_tags(T1, T2) when is_list(T2) -> merge_tags2(T1 ++ T2, []); merge_tags(T1, T2) -> @@ -6747,80 +5654,53 @@ merge_tags2([T1= #tag{type='IMPLICIT'}, T2 |Rest], Acc) -> merge_tags2([T1#tag{type=T2#tag.type, form=T2#tag.form}|Rest],Acc); merge_tags2([T1= #tag{type={default,'IMPLICIT'}}, T2 |Rest], Acc) -> merge_tags2([T1#tag{type=T2#tag.type, form=T2#tag.form}|Rest],Acc); +merge_tags2([T1= #tag{type={default,'AUTOMATIC'}}, T2 |Rest], Acc) -> + merge_tags2([T1#tag{type=T2#tag.type, form=T2#tag.form}|Rest],Acc); merge_tags2([H|T],Acc) -> merge_tags2(T, [H|Acc]); merge_tags2([], Acc) -> lists:reverse(Acc). -%% merge_constraints(C1, []) -> -%% C1; -%% merge_constraints([], C2) -> -%% C2; -%% merge_constraints(C1, C2) -> -%% {SList,VList,PAList,Rest} = splitlist(C1++C2,[],[],[],[]), -%% SizeC = merge_constraints(SList), -%% ValueC = merge_constraints(VList), -%% PermAlphaC = merge_constraints(PAList), -%% case Rest of -%% [] -> -%% SizeC ++ ValueC ++ PermAlphaC; -%% _ -> -%% throw({error,{asn1,{not_implemented,{merge_constraints,Rest}}}}) -%% end. - -%% merge_constraints([]) -> []; -%% merge_constraints([C1 = {_,{Low1,High1}},{_,{Low2,High2}}|Rest]) when Low1 >= Low2, -%% High1 =< High2 -> -%% merge_constraints([C1|Rest]); -%% merge_constraints([C1={'PermittedAlphabet',_},C2|Rest]) -> -%% [C1|merge_constraints([C2|Rest])]; -%% merge_constraints([C1 = {_,{_Low1,_High1}},C2 = {_,{_Low2,_High2}}|_Rest]) -> -%% throw({error,asn1,{conflicting_constraints,{C1,C2}}}); -%% merge_constraints([C]) -> -%% [C]. - -%% splitlist([C={'SizeConstraint',_}|Rest],Sacc,Vacc,PAacc,Restacc) -> -%% splitlist(Rest,[C|Sacc],Vacc,PAacc,Restacc); -%% splitlist([C={'ValueRange',_}|Rest],Sacc,Vacc,PAacc,Restacc) -> -%% splitlist(Rest,Sacc,[C|Vacc],PAacc,Restacc); -%% splitlist([C={'PermittedAlphabet',_}|Rest],Sacc,Vacc,PAacc,Restacc) -> -%% splitlist(Rest,Sacc,Vacc,[C|PAacc],Restacc); -%% splitlist([C|Rest],Sacc,Vacc,PAacc,Restacc) -> -%% splitlist(Rest,Sacc,Vacc,PAacc,[C|Restacc]); -%% splitlist([],Sacc,Vacc,PAacc,Restacc) -> -%% {lists:reverse(Sacc), -%% lists:reverse(Vacc), -%% lists:reverse(PAacc), -%% lists:reverse(Restacc)}. - - - -storeindb(S,M) when is_record(M,module) -> - TVlist = M#module.typeorval, - NewM = M#module{typeorval=findtypes_and_values(TVlist)}, - asn1_db:dbnew(NewM#module.name), - asn1_db:dbput(NewM#module.name,'MODULE', NewM), - Res = storeindb(#state{mname=NewM#module.name}, TVlist, []), - include_default_class(S,NewM#module.name), +storeindb(S0, #module{name=ModName,typeorval=TVlist0}=M) -> + S = S0#state{mname=ModName}, + TVlist1 = [{asn1ct:get_name_of_def(Def),Def} || Def <- TVlist0], + case check_duplicate_defs(S, TVlist1) of + ok -> + storeindb_1(S, M, TVlist0, TVlist1); + {error,_}=Error -> + Error + end. + +storeindb_1(S, #module{name=ModName}=M, TVlist0, TVlist) -> + NewM = M#module{typeorval=findtypes_and_values(TVlist0)}, + asn1_db:dbnew(ModName, S#state.erule), + asn1_db:dbput(ModName, 'MODULE', NewM), + asn1_db:dbput(ModName, TVlist), + include_default_class(S, NewM#module.name), include_default_type(NewM#module.name), - Res. + ok. -storeindb(#state{mname=Module}=S, [H|T], Errors) -> - Name = asn1ct:get_name_of_def(H), - case asn1_db:dbget(Module, Name) of - undefined -> - asn1_db:dbput(Module, Name, H), - storeindb(S, T, Errors); - Prev -> - PrevLine = asn1ct:get_pos_of_def(Prev), - {error,Error} = asn1_error(S, H, {already_defined,Name,PrevLine}), - storeindb(S, T, [Error|Errors]) - end; -storeindb(_, [], []) -> - ok; -storeindb(_, [], [_|_]=Errors) -> - {error,Errors}. +check_duplicate_defs(S, Defs) -> + Set0 = sofs:relation(Defs), + Set1 = sofs:relation_to_family(Set0), + Set = sofs:to_external(Set1), + case [duplicate_def(S, N, Dup) || {N,[_,_|_]=Dup} <- Set] of + [] -> + ok; + [_|_]=E -> + {error,lists:append(E)} + end. + +duplicate_def(S, Name, Dups0) -> + Dups1 = [{asn1ct:get_pos_of_def(Def),Def} || Def <- Dups0], + [{Prev,_}|Dups] = lists:sort(Dups1), + duplicate_def_1(S, Dups, Name, Prev). +duplicate_def_1(S, [{_,Def}|T], Name, Prev) -> + E = return_asn1_error(S, Def, {already_defined,Name,Prev}), + [E|duplicate_def_1(S, T, Name, Prev)]; +duplicate_def_1(_, [], _, _) -> + []. findtypes_and_values(TVList) -> findtypes_and_values(TVList,[],[],[],[],[],[]).%% Types,Values, @@ -6860,77 +5740,147 @@ findtypes_and_values([],Tacc,Vacc,Pacc,Cacc,Oacc,OSacc) -> {lists:reverse(Tacc),lists:reverse(Vacc),lists:reverse(Pacc), lists:reverse(Cacc),lists:reverse(Oacc),lists:reverse(OSacc)}. -asn1_error(#state{mname=Where}, Item, Error) -> +return_asn1_error(#state{error_context=Context}=S, Error) -> + return_asn1_error(S, Context, Error). + +return_asn1_error(#state{mname=Where}, Item, Error) -> Pos = asn1ct:get_pos_of_def(Item), - {error,{structured_error,{Where,Pos},?MODULE,Error}}. + {structured_error,{Where,Pos},?MODULE,Error}. + +-spec asn1_error(_, _) -> no_return(). +asn1_error(S, Error) -> + throw({error,return_asn1_error(S, Error)}). format_error({already_defined,Name,PrevLine}) -> io_lib:format("the name ~p has already been defined at line ~p", [Name,PrevLine]); +format_error({duplicate_identifier,Ids}) -> + io_lib:format("the identifier '~p' has already been used", [Ids]); +format_error({duplicate_tags,Elements}) -> + io_lib:format("duplicate tags in the elements: ~s", + [format_elements(Elements)]); +format_error({enum_illegal_redefinition,Id}) -> + io_lib:format("'~s' must not be redefined", [Id]); +format_error({enum_not_ascending,Id,N,Prev}) -> + io_lib:format("the values for enumerations which follow '...' must " + "be in ascending order, but '~p(~p)' is less than the " + "previous value '~p'", [Id,N,Prev]); +format_error({enum_reused_value,Id,Val}) -> + io_lib:format("'~s' has the value '~p' which is used more than once", + [Id,Val]); +format_error({illegal_id, Id}) -> + io_lib:format("illegal identifier: ~p", [Id]); +format_error({illegal_choice_type, Ref}) -> + io_lib:format("expecting a CHOICE type: ~p", [Ref]); +format_error({illegal_class_name,Class}) -> + io_lib:format("the class name '~s' is illegal (it must start with an uppercase letter and only contain uppercase letters, digits, or hyphens)", [Class]); +format_error({illegal_COMPONENTS_OF, Ref}) -> + io_lib:format("expected a SEQUENCE or SET got: ~p", [Ref]); +format_error(illegal_external_value) -> + "illegal value in EXTERNAL type"; +format_error({illegal_instance_of,Class}) -> + io_lib:format("using INSTANCE OF on class '~s' is illegal, " + "because INSTANCE OF may only be used on the class TYPE-IDENTIFIER", + [Class]); +format_error(illegal_integer_value) -> + "expecting an integer value"; +format_error(illegal_object) -> + "expecting an object"; +format_error({illegal_object_field, Id}) -> + io_lib:format("expecting a class field: ~p",[Id]); +format_error({illegal_oid,o_id}) -> + "illegal OBJECT IDENTIFIER"; +format_error({illegal_oid,rel_oid}) -> + "illegal RELATIVE-OID"; +format_error(illegal_octet_string_value) -> + "expecting a bstring or an hstring as value for an OCTET STRING"; +format_error({illegal_typereference,Name}) -> + io_lib:format("'~p' is used as a typereference, but does not start with an uppercase letter", [Name]); +format_error(illegal_table_constraint) -> + "table constraints may only be applied to CLASS.&field constructs"; +format_error(illegal_value) -> + "expecting a value"; +format_error({illegal_value, TYPE}) -> + io_lib:format("expecting a ~s value", [TYPE]); +format_error({invalid_fields,Fields,Obj}) -> + io_lib:format("invalid ~s in ~p", [format_fields(Fields),Obj]); +format_error({invalid_bit_number,Bit}) -> + io_lib:format("the bit number '~p' is invalid", [Bit]); +format_error(invalid_table_constraint) -> + "the table constraint is not an object set"; +format_error(invalid_objectset) -> + "expecting an object set"; +format_error({implicit_tag_before,Kind}) -> + "illegal implicit tag before " ++ + case Kind of + choice -> "'CHOICE'"; + open_type -> "open type" + end; +format_error({missing_mandatory_fields,Fields,Obj}) -> + io_lib:format("missing mandatory ~s in ~p", + [format_fields(Fields),Obj]); +format_error({missing_table_constraint,Component}) -> + io_lib:format("the component '~s' is referenced by a component relation constraint using the '@field-name' notation, but does not have a table constraint", + [Component]); +format_error({missing_id,Id}) -> + io_lib:format("expected the mandatory component '~p'", [Id]); +format_error({missing_ocft,Component}) -> + io_lib:format("the component '~s' must be an ObjectClassFieldType (CLASSNAME.&field-name)", [Component]); +format_error(multiple_uniqs) -> + "implementation limitation: only one UNIQUE field is allowed in CLASS"; +format_error({namelist_redefinition,Name}) -> + io_lib:format("the name '~s' can not be redefined", [Name]); +format_error({param_bad_type, Ref}) -> + io_lib:format("'~p' is not a parameterized type", [Ref]); +format_error(param_wrong_number_of_arguments) -> + "wrong number of arguments"; +format_error(reversed_range) -> + "ranges must be given in increasing order"; +format_error({syntax_duplicated_fields,Fields}) -> + io_lib:format("~s must only occur once in the syntax list", + [format_fields(Fields)]); +format_error(syntax_nomatch) -> + "unexpected end of object definition"; +format_error({syntax_mandatory_in_optional_group,Name}) -> + io_lib:format("the field '&~s' must not be within an optional group since it is not optional", + [Name]); +format_error({syntax_missing_mandatory_fields,Fields}) -> + io_lib:format("missing mandatory ~s in the syntax list", + [format_fields(Fields)]); +format_error({syntax_nomatch,Actual}) -> + io_lib:format("~s is not the next item allowed according to the defined syntax", + [Actual]); +format_error({syntax_undefined_field,Field}) -> + io_lib:format("'&~s' is not a field of the class being defined", + [Field]); format_error({undefined,Name}) -> io_lib:format("'~s' is referenced, but is not defined", [Name]); +format_error({undefined_export,Ref}) -> + io_lib:format("'~s' is exported but is not defined", [Ref]); +format_error({undefined_field,FieldName}) -> + io_lib:format("the field '&~s' is undefined", [FieldName]); +format_error({undefined_import,Ref,Module}) -> + io_lib:format("'~s' is not exported from ~s", [Ref,Module]); +format_error({unique_and_default,Field}) -> + io_lib:format("the field '&~s' must not have both 'UNIQUE' and 'DEFAULT'", + [Field]); +format_error({value_reused,Val}) -> + io_lib:format("the value '~p' is used more than once", [Val]); +format_error({non_unique_object,Id}) -> + io_lib:format("object set with a UNIQUE field value of '~p' is used more than once", [Id]); format_error(Other) -> io_lib:format("~p", [Other]). -error({_,{structured_error,_,_,_}=SE,_}) -> - SE; -error({export,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) -> - Pos = Ref#'Externaltypereference'.pos, - io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]), - {error,{export,Pos,Mname,Typename,Msg}}; -error({import,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) -> - PosOfDef = - fun(#'Externaltypereference'{pos=P}) -> P; - (#'Externalvaluereference'{pos=P}) -> P - end, - Pos = PosOfDef(Ref), - io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]), - {error,{import,Pos,Mname,Typename,Msg}}; -% error({type,{Msg1,Msg2},#state{mname=Mname,type=Type,tname=Typename}}) -% when is_record(Type,typedef) -> -% io:format("asn1error:~p:~p:~p ~p~n", -% [Type#typedef.pos,Mname,Typename,Msg1]), -% {error,{type,Type#typedef.pos,Mname,Typename,Msg1,Msg2}}; -error({type,Msg,#state{mname=Mname,type=Type,tname=Typename}}) - when is_record(Type,type) -> - io:format("asn1error:~p:~p~n~p~n", - [Mname,Typename,Msg]), - {error,{type,Mname,Typename,Msg}}; -error({type,Msg,#state{mname=Mname,type=Type,tname=Typename}}) - when is_record(Type,typedef) -> - io:format("asn1error:~p:~p:~p~n~p~n", - [Type#typedef.pos,Mname,Typename,Msg]), - {error,{type,Type#typedef.pos,Mname,Typename,Msg}}; -error({type,Msg,#state{mname=Mname,type=Type,tname=Typename}}) - when is_record(Type,ptypedef) -> - io:format("asn1error:~p:~p:~p~n~p~n", - [Type#ptypedef.pos,Mname,Typename,Msg]), - {error,{type,Type#ptypedef.pos,Mname,Typename,Msg}}; -error({type,Msg,#state{mname=Mname,value=Value,vname=Valuename}}) - when is_record(Value,valuedef) -> - io:format("asn1error:~p:~p:~p~n~p~n",[Value#valuedef.pos,Mname,Valuename,Msg]), - {error,{type,Value#valuedef.pos,Mname,Valuename,Msg}}; -error({type,Msg,#state{mname=Mname,type=Type,tname=Typename}}) - when is_record(Type,pobjectdef) -> - io:format("asn1error:~p:~p:~p~n~p~n", - [Type#pobjectdef.pos,Mname,Typename,Msg]), - {error,{type,Type#pobjectdef.pos,Mname,Typename,Msg}}; -error({value,Msg,#state{mname=Mname,value=Value,vname=Valuename}}) - when is_record(Value,valuedef) -> - io:format("asn1error:~p:~p:~p~n~p~n",[Value#valuedef.pos,Mname,Valuename,Msg]), - {error,{value,Value#valuedef.pos,Mname,Valuename,Msg}}; -error({Other,Msg,#state{mname=Mname,value=#valuedef{pos=Pos},vname=Valuename}}) -> - io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Valuename,Msg]), - {error,{Other,Pos,Mname,Valuename,Msg}}; -error({Other,Msg,#state{mname=Mname,type=#typedef{pos=Pos},tname=Typename}}) -> - io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]), - {error,{Other,Pos,Mname,Typename,Msg}}; -error({Other,Msg,#state{mname=Mname,type=#classdef{pos=Pos},tname=Typename}}) -> - io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]), - {error,{Other,Pos,Mname,Typename,Msg}}; -error({Other,Msg,#state{mname=Mname,type=Type,tname=Typename}}) -> - io:format("asn1error:~p:~p:~p~n~p~n",[asn1ct:get_pos_of_def(Type),Mname,Typename,Msg]), - {error,{Other,asn1ct:get_pos_of_def(Type),Mname,Typename,Msg}}. +format_fields([F]) -> + io_lib:format("field '&~s'", [F]); +format_fields([H|T]) -> + [io_lib:format("fields '&~s'", [H])| + [io_lib:format(", '&~s'", [F]) || F <- T]]. + +format_elements([H1,H2|T]) -> + [io_lib:format("~p, ", [H1])|format_elements([H2|T])]; +format_elements([H]) -> + io_lib:format("~p", [H]). include_default_type(Module) -> NameAbsList = default_type_list(), @@ -7093,62 +6043,62 @@ default_type_list() -> ]. -include_default_class(S,Module) -> - NameAbsList = default_class_list(S), - include_default_class1(Module,NameAbsList). +include_default_class(S, Module) -> + _ = [include_default_class1(S, Module, ClassDef) || + ClassDef <- default_class_list()], + ok. -include_default_class1(_,[]) -> - ok; -include_default_class1(Module,[{Name,TS}|Rest]) -> - case asn1_db:dbget(Module,Name) of +include_default_class1(S, Module, {Name,Ts0}) -> + case asn1_db:dbget(Module, Name) of undefined -> - C = #classdef{checked=true,name=Name, - typespec=TS}, - asn1_db:dbput(Module,Name,C); - _ -> ok - end, - include_default_class1(Module,Rest). + #objectclass{fields=Fields, + syntax={'WITH SYNTAX',Syntax0}} = Ts0, + Syntax = preprocess_syntax(S, Syntax0, Fields), + Ts = Ts0#objectclass{syntax={preprocessed_syntax,Syntax}}, + C = #classdef{checked=true,module=Module, + name=Name,typespec=Ts}, + asn1_db:dbput(Module, Name, C); + _ -> + ok + end. -default_class_list(S) -> +default_class_list() -> [{'TYPE-IDENTIFIER', - {objectclass, - [{fixedtypevaluefield, - id, - #type{tag=?TAG_PRIMITIVE(?N_OBJECT_IDENTIFIER), - def='OBJECT IDENTIFIER'}, - 'UNIQUE', - 'MANDATORY'}, - {typefield,'Type','MANDATORY'}], - {'WITH SYNTAX', - [{typefieldreference,'Type'}, - 'IDENTIFIED', - 'BY', - {valuefieldreference,id}]}}}, + #objectclass{fields=[{fixedtypevaluefield, + id, + #type{tag=[?TAG_PRIMITIVE(?N_OBJECT_IDENTIFIER)], + def='OBJECT IDENTIFIER'}, + 'UNIQUE', + 'MANDATORY'}, + {typefield,'Type','MANDATORY'}], + syntax={'WITH SYNTAX', + [{typefieldreference,'Type'}, + 'IDENTIFIED', + 'BY', + {valuefieldreference,id}]}}}, {'ABSTRACT-SYNTAX', - {objectclass, - [{fixedtypevaluefield, - id, - #type{tag=?TAG_PRIMITIVE(?N_OBJECT_IDENTIFIER), - def='OBJECT IDENTIFIER'}, - 'UNIQUE', - 'MANDATORY'}, - {typefield,'Type','MANDATORY'}, - {fixedtypevaluefield, - property, - #type{tag=?TAG_PRIMITIVE(?N_BIT_STRING), - def={'BIT STRING',[]}}, - undefined, - {'DEFAULT', - [0,1,0]}}], - {'WITH SYNTAX', - [{typefieldreference,'Type'}, - 'IDENTIFIED', - 'BY', - {valuefieldreference,id}, - ['HAS', - 'PROPERTY', - {valuefieldreference,property}]]}}}]. - + #objectclass{fields=[{fixedtypevaluefield, + id, + #type{tag=[?TAG_PRIMITIVE(?N_OBJECT_IDENTIFIER)], + def='OBJECT IDENTIFIER'}, + 'UNIQUE', + 'MANDATORY'}, + {typefield,'Type','MANDATORY'}, + {fixedtypevaluefield, + property, + #type{tag=[?TAG_PRIMITIVE(?N_BIT_STRING)], + def={'BIT STRING',[]}}, + undefined, + {'DEFAULT', + [0,1,0]}}], + syntax={'WITH SYNTAX', + [{typefieldreference,'Type'}, + 'IDENTIFIED', + 'BY', + {valuefieldreference,id}, + ['HAS', + 'PROPERTY', + {valuefieldreference,property}]]}}}]. new_reference_name(Name) -> case get(asn1_reference) of @@ -7177,8 +6127,9 @@ insert_once(S,Tab,Key) -> skipped end. -check_fold(S, [H|T], Check) -> - Type = asn1_db:dbget(S#state.mname, H), +check_fold(S0, [H|T], Check) -> + Type = asn1_db:dbget(S0#state.mname, H), + S = S0#state{error_context=Type}, case Check(S, H, Type) of ok -> check_fold(S, T, Check); @@ -7186,3 +6137,20 @@ check_fold(S, [H|T], Check) -> [Error|check_fold(S, T, Check)] end; check_fold(_, [], Check) when is_function(Check, 3) -> []. + +error_value(Value) when is_integer(Value) -> Value; +error_value(Value) when is_atom(Value) -> Value; +error_value(#type{def=Value}) when is_atom(Value) -> Value; +error_value(#type{def=Value}) -> error_value(Value); +error_value(RefOrType) -> + try name_of_def(RefOrType) of + Name -> Name + catch _:_ -> + case get_datastr_name(RefOrType) of + undefined -> RefOrType; + Name -> Name + end + end. + +name_of_def(#'Externaltypereference'{type=N}) -> N; +name_of_def(#'Externalvaluereference'{value=N}) -> N. diff --git a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl index 761faa53c5..325bea5879 100644 --- a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl +++ b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2013. All Rights Reserved. +%% Copyright Ericsson AB 2002-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -122,8 +123,8 @@ gen_encode_sequence(Erules,Typename,D) when is_record(D,type) -> asn1ct_gen:un_hyphen_var(lists:concat(['Obj', AttrN])), emit([ObjectEncode," = ",nl, - " ",{asis,ObjSetMod},":'getenc_",ObjSetName, - "'(",{asis,UniqueFieldName},", ",nl]), + " ",{asis,ObjSetMod},":'getenc_",ObjSetName, + "'("]), ValueMatch = value_match(ValueIndex, lists:concat(["Cindex",N])), emit([indent(35),ValueMatch,"),",nl]), @@ -198,7 +199,7 @@ gen_decode_sequence(Erules,Typename,D) when is_record(D,type) -> asn1ct_name:new(tlv), asn1ct_name:new(v), - {DecObjInf,UniqueFName,ValueIndex} = + {DecObjInf,ValueIndex} = case TableConsInfo of #simpletableattributes{objectsetname=ObjectSetRef, c_name=AttrN, @@ -217,12 +218,12 @@ gen_decode_sequence(Erules,Typename,D) when is_record(D,type) -> %% relation from a component to another components %% subtype component {{AttrN,{deep,ObjectSetRef,UniqueFieldName,ValIndex}}, - UniqueFieldName,ValIndex}; + ValIndex}; false -> - {{AttrN,ObjectSetRef},UniqueFieldName,ValIndex} + {{AttrN,ObjectSetRef},ValIndex} end; _ -> - {false,false,false} + {false,false} end, RecordName = lists:concat([get_record_name_prefix(), asn1ct_gen:list2rname(Typename)]), @@ -234,7 +235,7 @@ gen_decode_sequence(Erules,Typename,D) when is_record(D,type) -> asn1ct_name:new(rb), emit([" {'",RecordName,"'}.",nl,nl]); {LeadingAttrTerm,PostponedDecArgs} -> - emit([com,nl,nl]), + emit([nl]), case {LeadingAttrTerm,PostponedDecArgs} of {[],[]} -> ok; @@ -246,7 +247,7 @@ gen_decode_sequence(Erules,Typename,D) when is_record(D,type) -> {ObjSetMod,ObjSetName} = ObjSetRef, emit([DecObj," =",nl, " ",{asis,ObjSetMod},":'getdec_",ObjSetName,"'(", - {asis,UniqueFName},", ",ValueMatch,"),",nl]), + ValueMatch,"),",nl]), gen_dec_postponed_decs(DecObj,PostponedDecArgs) end, demit(["Result = "]), %dbg @@ -357,7 +358,7 @@ gen_decode_set(Erules,Typename,D) when is_record(D,type) -> asn1ct_name:new(v), - {DecObjInf,UniqueFName,ValueIndex} = + {DecObjInf,ValueIndex} = case TableConsInfo of %% {ObjectSetRef,AttrN,_N,UniqueFieldName} ->%% N is index of attribute that determines constraint #simpletableattributes{objectsetname=ObjectSetRef, @@ -378,12 +379,12 @@ gen_decode_set(Erules,Typename,D) when is_record(D,type) -> %% relation from a component to another components %% subtype component {{AttrN,{deep,ObjectSetRef,UniqueFieldName,ValIndex}}, - UniqueFieldName,ValIndex}; + ValIndex}; false -> - {{AttrN,ObjectSetRef},UniqueFieldName,ValIndex} + {{AttrN,ObjectSetRef},ValIndex} end; _ -> - {false,false,false} + {false,false} end, case CompList of @@ -413,7 +414,7 @@ gen_decode_set(Erules,Typename,D) when is_record(D,type) -> %% return value as record emit([" {'",RecordName,"'}.",nl]); {LeadingAttrTerm,PostponedDecArgs} -> - emit([com,nl,nl]), + emit([nl]), case {LeadingAttrTerm,PostponedDecArgs} of {[],[]} -> ok; @@ -425,7 +426,7 @@ gen_decode_set(Erules,Typename,D) when is_record(D,type) -> {ObjSetMod,ObjSetName} = ObjSetRef, emit([DecObj," =",nl, " ",{asis,ObjSetMod},":'getdec_",ObjSetName,"'(", - {asis,UniqueFName},", ",ValueMatch,"),",nl]), + ValueMatch,"),",nl]), gen_dec_postponed_decs(DecObj,PostponedDecArgs) end, demit(["Result = "]), %dbg @@ -499,9 +500,7 @@ gen_decode_sof(Erules,TypeName,_InnerTypeName,D) when is_record(D,type) -> Atom when is_atom(Atom) -> Atom; _ -> TypeNameSuffix end, - ObjFun = false, - gen_dec_line(Erules,TypeName,ContName,[],Cont,mandatory,ObjFun), - %% gen_dec_line_sof(Erules,Typename,ContName,Cont,ObjFun), + gen_dec_line(Erules,TypeName,ContName,[],Cont,mandatory), emit([" || ",{curr,v}," <- ",{curr,tlv},"].",nl,nl,nl]). @@ -577,6 +576,8 @@ gen_decode_choice(Erules,Typename,D) when is_record(D,type) -> gen_enc_sequence_call(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type,prop=Prop,textual_order=Order}|Rest],Pos,Ext,EncObj) -> asn1ct_name:new(encBytes), asn1ct_name:new(encLen), + asn1ct_name:new(tmpBytes), + asn1ct_name:new(tmpLen), CindexPos = case Order of undefined -> @@ -615,18 +616,20 @@ gen_dec_sequence_call1(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type {LA,PostponedDec} = gen_dec_component(Erules,TopType,Cname,Tags,Type,Num,Prop, Ext,DecObjInf), + emit([com,nl]), case Rest of [] -> {LA ++ LeadingAttrAcc,PostponedDec ++ ArgsAcc}; _ -> - emit([com,nl]), asn1ct_name:new(bytes), gen_dec_sequence_call1(Erules,TopType,Rest,Num+1,Ext,DecObjInf, LA++LeadingAttrAcc,PostponedDec++ArgsAcc) end; gen_dec_sequence_call1(_Erules,_TopType,[],1,_,_,_,_) -> - no_terms. + no_terms; +gen_dec_sequence_call1(_, _, [], _Num, _, _, LA, PostponedDec) -> + {LA, PostponedDec}. gen_dec_sequence_call2(_Erules,_TopType, {[], [], []}, _Ext,_DecObjInf) -> no_terms; @@ -641,7 +644,6 @@ gen_dec_sequence_call2(Erules,TopType,{Root1,EList,Root2},_Ext,DecObjInf) -> %% TagList is the tags of Root2 elements from the first up to and %% including the first mandatory element. TagList = get_root2_taglist(Root2,[]), - emit({com,nl}), emit([{curr,tlv}," = ", {call,ber,skip_ExtensionAdditions, [{prev,tlv},{asis,TagList}]},com,nl]), @@ -706,8 +708,6 @@ emit_term_tlv('OPTIONAL',InnerType,DecObjInf) -> emit_term_tlv(opt_or_def,InnerType,DecObjInf); emit_term_tlv(Prop,{typefield,_},DecObjInf) -> emit_term_tlv(Prop,type_or_object_field,DecObjInf); -emit_term_tlv(Prop,{objectfield,_,_},DecObjInf) -> - emit_term_tlv(Prop,type_or_object_field,DecObjInf); emit_term_tlv(opt_or_def,type_or_object_field,NotFalse) when NotFalse /= false -> asn1ct_name:new(tmpterm), @@ -789,6 +789,7 @@ gen_enc_choice2(Erules,TopType,[H1|T]) when is_record(H1,'ComponentType') -> componentrelation)} of {#'ObjectClassFieldType'{},{componentrelation,_,_}} -> asn1ct_name:new(tmpBytes), + asn1ct_name:new(tmpLen), asn1ct_name:new(encBytes), asn1ct_name:new(encLen), Emit = ["{",{curr,tmpBytes},", _} = "], @@ -866,7 +867,7 @@ gen_dec_choice_cases(Erules,TopType, [H|T]) -> (?ASN1CT_GEN_BER:decode_class(T1class) bsl 10) + T1number,",_} -> ",nl]), emit([indent(8),"{",{asis,Cname},", "]), - gen_dec_line(Erules,TopType,Cname,[],Type,Prop,false), + gen_dec_line(Erules,TopType,Cname,[],Type,Prop), emit(["};",nl,nl]), Fun(Tail,Fun); ([],_) -> @@ -893,7 +894,7 @@ gen_dec_choice_cases(Erules,TopType, [H|T]) -> (?ASN1CT_GEN_BER:decode_class(FirstT#tag.class) bsl 10) + FirstT#tag.number,", ",{curr,v},"} -> ",nl]), emit([indent(8),"{",{asis,Cname},", "]), - gen_dec_line(Erules,TopType,Cname,[],Type#type{tag=RestT},Prop,false), + gen_dec_line(Erules,TopType,Cname,[],Type#type{tag=RestT},Prop), emit(["};",nl,nl]) end, gen_dec_choice_cases(Erules,TopType, T). @@ -929,7 +930,6 @@ gen_enc_line(Erules,TopType,Cname, when is_list(Element) -> case asn1ct_gen:get_constraint(C,componentrelation) of {componentrelation,_,_} -> - asn1ct_name:new(tmpBytes), gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand, ["{",{curr,tmpBytes},",_} = "],EncObj); _ -> @@ -962,8 +962,7 @@ gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,Assign,EncObj) WhatKind = asn1ct_gen:type(InnerType), emit(IndDeep), emit(Assign), - gen_optormand_case(OptOrMand,Erules,TopType,Cname,Type,InnerType,WhatKind, - Element), + gen_optormand_case(OptOrMand, Erules, TopType, Cname, Type, Element), case {Type,asn1ct_gen:get_constraint(Type#type.constraint, componentrelation)} of % #type{constraint=[{tableconstraint_info,RefedFieldName}], @@ -991,12 +990,8 @@ gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,Assign,EncObj) {call,ber,encode_open_type, [{curr,tmpBytes},{asis,Tag}]},nl]); _ -> - emit(["{",{next,tmpBytes},",",{curr,tmpLen}, - "} = ", - {call,ber,encode_open_type, - [{curr,tmpBytes},{asis,Tag}]},com,nl]), - emit(IndDeep), - emit(["{",{next,tmpBytes},", ",{curr,tmpLen},"}"]) + emit([{call,ber,encode_open_type, + [{curr,tmpBytes},{asis,Tag}]}]) end; Err -> throw({asn1,{'internal error',Err}}) @@ -1033,26 +1028,19 @@ gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,Assign,EncObj) emit([nl,indent(7),"end"]) end. -gen_optormand_case(mandatory,_Erules,_TopType,_Cname,_Type,_InnerType,_WhatKind, - _Element) -> +gen_optormand_case(mandatory, _Erules, _TopType, _Cname, _Type, _Element) -> ok; -gen_optormand_case('OPTIONAL',Erules,_TopType,_Cname,_Type,_InnerType,_WhatKind, - Element) -> +gen_optormand_case('OPTIONAL', Erules, _TopType, _Cname, _Type, Element) -> emit([" case ",Element," of",nl]), emit([indent(9),"asn1_NOVALUE -> {", empty_lb(Erules),",0};",nl]), emit([indent(9),"_ ->",nl,indent(12)]); -gen_optormand_case({'DEFAULT',DefaultValue},Erules,TopType,Cname,Type, - InnerType,WhatKind,Element) -> +gen_optormand_case({'DEFAULT',DefaultValue}, Erules, _TopType, + _Cname, Type, Element) -> CurrMod = get(currmod), case catch lists:member(der,get(encoding_options)) of true -> - emit(" case catch "), - asn1ct_gen:gen_check_call(TopType,Cname,Type,InnerType, - WhatKind,{asis,DefaultValue}, - Element), - emit([" of",nl]), - emit([indent(12),"true -> {[],0};",nl]); + asn1ct_gen_check:emit(Type, DefaultValue, Element); _ -> emit([" case ",Element," of",nl]), emit([indent(9),"asn1_DEFAULT -> {", @@ -1067,12 +1055,17 @@ gen_optormand_case({'DEFAULT',DefaultValue},Erules,TopType,Cname,Type, emit([indent(9),{asis, DefaultValue}," -> {", empty_lb(Erules),",0};",nl]) - end - end, - emit([indent(9),"_ ->",nl,indent(12)]). + end, + emit([indent(9),"_ ->",nl,indent(12)]) + end. - +%% Use for SEQUENCE OF and CHOICE. +gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand) -> + %% The matching on the next line is an assertion. + {[],[]} = gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand,false), + ok. +%% Use for SEQUENCE. gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand,DecObjInf) -> BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(v)), Tag = @@ -1159,7 +1152,8 @@ gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand,DecObjInf) -> emit([indent(4),"_ ->",nl]), case OptOrMand of - {'DEFAULT', Def} -> + {'DEFAULT', Def0} -> + Def = asn1ct_gen:conform_value(Type, Def0), emit([indent(8),"{",{asis,Def},",",{prev,tlv},"}",nl]); 'OPTIONAL' -> emit([indent(8),"{ asn1_NOVALUE, ",{prev,tlv},"}",nl]) @@ -1213,28 +1207,25 @@ gen_dec_call({typefield,_},_,_,Cname,Type,BytesVar,Tag,_,_,_DecObjInf,OptOrMandC (Type#type.def)#'ObjectClassFieldType'.fieldname, [{Cname,RefedFieldName,asn1ct_gen:mk_var(asn1ct_name:curr(term)), asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}]; -gen_dec_call({objectfield,PrimFieldName,PFNList},_,_,Cname,_,BytesVar,Tag,_,_,_,OptOrMandComp) -> - call(decode_open_type, [BytesVar,{asis,Tag}]), - [{Cname,{PrimFieldName,PFNList},asn1ct_gen:mk_var(asn1ct_name:curr(term)), - asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}]; -gen_dec_call(InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,PrimOptOrMand, - OptOrMand,DecObjInf,_) -> +gen_dec_call(InnerType, _Erules, TopType, Cname, Type, BytesVar, + Tag, _PrimOptOrMand, _OptOrMand, DecObjInf,_) -> WhatKind = asn1ct_gen:type(InnerType), - gen_dec_call1(WhatKind,InnerType,Erules,TopType,Cname,Type,BytesVar,Tag, - PrimOptOrMand,OptOrMand), + gen_dec_call1(WhatKind, InnerType, TopType, Cname, + Type, BytesVar, Tag), case DecObjInf of - {Cname,{_,OSet,UniqueFName,ValIndex}} -> + {Cname,{_,OSet,_UniqueFName,ValIndex}} -> Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)), ValueMatch = value_match(ValIndex,Term), {ObjSetMod,ObjSetName} = OSet, emit([",",nl,"ObjFun = ",{asis,ObjSetMod},":'getdec_",ObjSetName, - "'(",{asis,UniqueFName},", ",ValueMatch,")"]); + "'(",ValueMatch,")"]); _ -> ok end, []. -gen_dec_call1({primitive,bif},InnerType,Erules,TopType,Cname,Type,BytesVar, - Tag,OptOrMand,_) -> + +gen_dec_call1({primitive,bif}, InnerType, TopType, Cname, + Type, BytesVar, Tag) -> case {asn1ct:get_gen_state_field(namelist),InnerType} of {[{Cname,undecoded}|Rest],_} -> asn1ct:add_generated_refed_func({[Cname|TopType],undecoded, @@ -1243,11 +1234,10 @@ gen_dec_call1({primitive,bif},InnerType,Erules,TopType,Cname,Type,BytesVar, emit(["{'",asn1ct_gen:list2name([Cname|TopType]),"',", BytesVar,"}"]); _ -> - ?ASN1CT_GEN_BER:gen_dec_prim(Erules,Type,BytesVar,Tag,[], - ?PRIMITIVE,OptOrMand) + ?ASN1CT_GEN_BER:gen_dec_prim(Type, BytesVar, Tag) end; -gen_dec_call1('ASN1_OPEN_TYPE',_InnerType,Erules,TopType,Cname,Type,BytesVar, - Tag,OptOrMand,_) -> +gen_dec_call1('ASN1_OPEN_TYPE', _InnerType, TopType, Cname, + Type, BytesVar, Tag) -> case {asn1ct:get_gen_state_field(namelist),Type#type.def} of {[{Cname,undecoded}|Rest],_} -> asn1ct:add_generated_refed_func({[Cname|TopType],undecoded, @@ -1256,15 +1246,12 @@ gen_dec_call1('ASN1_OPEN_TYPE',_InnerType,Erules,TopType,Cname,Type,BytesVar, emit(["{'",asn1ct_gen:list2name([Cname|TopType]),"',", BytesVar,"}"]); {_,#'ObjectClassFieldType'{type=OpenType}} -> - ?ASN1CT_GEN_BER:gen_dec_prim(Erules,#type{def=OpenType}, - BytesVar,Tag,[], - ?PRIMITIVE,OptOrMand); + ?ASN1CT_GEN_BER:gen_dec_prim(#type{def=OpenType}, + BytesVar, Tag); _ -> - ?ASN1CT_GEN_BER:gen_dec_prim(Erules,Type,BytesVar,Tag,[], - ?PRIMITIVE,OptOrMand) + ?ASN1CT_GEN_BER:gen_dec_prim(Type, BytesVar, Tag) end; -gen_dec_call1(WhatKind,_,_Erules,TopType,Cname,Type,BytesVar, - Tag,_,_OptOrMand) -> +gen_dec_call1(WhatKind, _, TopType, Cname, Type, BytesVar, Tag) -> case asn1ct:get_gen_state_field(namelist) of [{Cname,undecoded}|Rest] -> asn1ct:add_generated_refed_func({[Cname|TopType],undecoded, diff --git a/lib/asn1/src/asn1ct_constructed_per.erl b/lib/asn1/src/asn1ct_constructed_per.erl index d279e9697f..a34b25182c 100644 --- a/lib/asn1/src/asn1ct_constructed_per.erl +++ b/lib/asn1/src/asn1ct_constructed_per.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -43,10 +44,13 @@ gen_encode_set(Erules,TypeName,D) -> gen_encode_sequence(Erules,TypeName,D) -> gen_encode_constructed(Erules,TypeName,D). -gen_encode_constructed(Erule,Typename,D) when is_record(D,type) -> +gen_encode_constructed(Erule, Typename, #type{}=D) -> asn1ct_name:start(), - asn1ct_name:new(term), - asn1ct_name:new(bytes), + Imm = gen_encode_constructed_imm(Erule, Typename, D), + asn1ct_imm:enc_cg(Imm, is_aligned(Erule)), + emit([".",nl]). + +gen_encode_constructed_imm(Erule, Typename, #type{}=D) -> {ExtAddGroup,TmpCompList,TableConsInfo} = case D#type.def of #'SEQUENCE'{tablecinf=TCI,components=CL,extaddgroup=ExtAddGroup0} -> @@ -65,74 +69,36 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) -> [Comp#'ComponentType'{textual_order=undefined}|| Comp<-TmpCompList] end, - case Typename of - ['EXTERNAL'] -> - emit([{next,val}," = ", - {call,ext,transform_to_EXTERNAL1990, - [{curr,val}]},com,nl]), - asn1ct_name:new(val); - _ -> - ok - end, - case {Optionals = optionals(to_textual_order(CompList)),CompList, - is_optimized(Erule)} of - {[],EmptyCL,_} when EmptyCL == {[],[],[]};EmptyCL == {[],[]};EmptyCL == [] -> - ok; - {[],_,_} -> - emit([{next,val}," = ",{curr,val},",",nl]); - {_,_,true} -> - gen_fixoptionals(Optionals), - FixOpts = param_map(fun(Var) -> - {var,Var} - end,asn1ct_name:all(fixopt)), - emit({"{",{next,val},",Opt} = {",{curr,val},",[",FixOpts,"]},",nl}); - {_,_,false} -> - asn1ct_func:need({Erule,fixoptionals,3}), - Fixoptcall = ",Opt} = fixoptionals(", - emit({"{",{next,val},Fixoptcall, - {asis,Optionals},",",length(Optionals), - ",",{curr,val},"),",nl}) - end, - asn1ct_name:new(val), + ExternalImm = + case Typename of + ['EXTERNAL'] -> + Next = asn1ct_gen:mk_var(asn1ct_name:next(val)), + Curr = asn1ct_gen:mk_var(asn1ct_name:curr(val)), + asn1ct_name:new(val), + [{call,ext,transform_to_EXTERNAL1990,[{var,Curr}],{var,Next}}]; + _ -> + [] + end, + Aligned = is_aligned(Erule), + Value0 = make_var(val), + Optionals = optionals(to_textual_order(CompList)), + ImmOptionals = [asn1ct_imm:per_enc_optional(Value0, Opt, Aligned) || + Opt <- Optionals], Ext = extensible_enc(CompList), - case Ext of - {ext,_,NumExt} when NumExt > 0 -> - case extgroup_pos_and_length(CompList) of - {extgrouppos,[]} -> % no extenstionAdditionGroup - ok; - {extgrouppos,ExtGroupPosLenList} -> - ExtGroupFun = - fun({ExtActualGroupPos,ExtGroupVirtualPos,ExtGroupLen}) -> - Elements = - make_elements(ExtGroupVirtualPos+1, - "Val1", - lists:seq(1,ExtGroupLen)), - emit([ - {next,val}," = case [X || X <- [",Elements, - "],X =/= asn1_NOVALUE] of",nl, - "[] -> setelement(", - {asis,ExtActualGroupPos+1},",", - {curr,val},",", - "asn1_NOVALUE);",nl, - "_ -> setelement(",{asis,ExtActualGroupPos+1},",", - {curr,val},",", - "{extaddgroup,", Elements,"})",nl, - "end,",nl]), - asn1ct_name:new(val) - end, - lists:foreach(ExtGroupFun,ExtGroupPosLenList) - end, - asn1ct_name:new(tmpval), - emit(["Extensions = ", - {call,Erule,fixextensions,[{asis,Ext},{curr,val}]}, - com,nl]); - _ -> true - end, - EncObj = + ExtImm = case Ext of + {ext,ExtPos,NumExt} when NumExt > 0 -> + gen_encode_extaddgroup(CompList), + Value = make_var(val), + asn1ct_imm:per_enc_extensions(Value, ExtPos, + NumExt, Aligned); + _ -> + [] + end, + {EncObj,ObjSetImm} = case TableConsInfo of #simpletableattributes{usedclassfield=Used, uniqueclassfield=Unique} when Used /= Unique -> - false; + {false,[]}; %% ObjectSet, name of the object set in constraints %% %%{ObjectSet,AttrN,N,UniqueFieldName} -> %% N is index of attribute that determines constraint @@ -141,24 +107,19 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) -> c_index=N, usedclassfield=UniqueFieldName, uniqueclassfield=UniqueFieldName, - valueindex=ValueIndex + valueindex=ValueIndex0 } -> %% N is index of attribute that determines constraint {Module,ObjSetName} = ObjectSet, #typedef{typespec=#'ObjectSet'{gen=Gen}} = asn1_db:dbget(Module, ObjSetName), case Gen of true -> - ObjectEncode = - asn1ct_gen:un_hyphen_var(lists:concat(['Obj',AttrN])), - El = make_element(N+1, asn1ct_gen:mk_var(asn1ct_name:curr(val))), - ValueMatch = value_match(ValueIndex, El), - emit([ObjectEncode," =",nl, - " ",{asis,Module},":'getenc_",ObjSetName,"'(", - {asis,UniqueFieldName},", ",nl, - " ",ValueMatch,"),",nl]), - {AttrN,ObjectEncode}; + ValueIndex = ValueIndex0 ++ [{N+1,top}], + Val = make_var(val), + {ObjSetImm0,Dst} = enc_dig_out_value(ValueIndex, Val), + {{AttrN,Dst},ObjSetImm0}; false -> - false + {false,[]} end; _ -> case D#type.tablecinf of @@ -166,34 +127,52 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) -> %% when the simpletableattributes was at an outer %% level and the objfun has been passed through the %% function call - {"got objfun through args","ObjFun"}; + {{"got objfun through args",{var,"ObjFun"}},[]}; _ -> - false + {false,[]} end end, - emit({"[",nl}), - MaybeComma1 = + ImmSetExt = case Ext of - {ext,_Pos,NumExt2} when NumExt2 > 0 -> - call(Erule, setext, ["Extensions =/= []"]), - ", "; - {ext,_Pos,_} -> - call(Erule, setext, ["false"]), - ", "; - _ -> - "" - end, - MaybeComma2 = - case optionals(CompList) of - [] -> MaybeComma1; - _ -> - emit(MaybeComma1), - emit("Opt"), - {",",nl} + {ext,_Pos,NumExt2} when NumExt2 > 0 -> + asn1ct_imm:per_enc_extension_bit({var,"Extensions"}, Aligned); + {ext,_Pos,_} -> + asn1ct_imm:per_enc_extension_bit([], Aligned); + _ -> + [] end, - gen_enc_components_call(Erule,Typename,CompList,MaybeComma2,EncObj,Ext), - emit({"].",nl}). + ImmBody = gen_enc_components_call(Erule, Typename, CompList, EncObj, Ext), + ExternalImm ++ ExtImm ++ ObjSetImm ++ + asn1ct_imm:enc_append([ImmSetExt] ++ ImmOptionals ++ ImmBody). + +gen_encode_extaddgroup(CompList) -> + case extgroup_pos_and_length(CompList) of + {extgrouppos,[]} -> + ok; + {extgrouppos,ExtGroupPosLenList} -> + _ = [do_gen_encode_extaddgroup(G) || G <- ExtGroupPosLenList], + ok + end. +do_gen_encode_extaddgroup({ActualGroupPos,GroupVirtualPos,GroupLen}) -> + Val = asn1ct_gen:mk_var(asn1ct_name:curr(val)), + Elements = make_elements(GroupVirtualPos+1, + Val, + lists:seq(1, GroupLen)), + Expr = any_non_value(GroupVirtualPos+1, Val, GroupLen, ""), + emit([{next,val}," = case ",Expr," of",nl, + "false -> setelement(",{asis,ActualGroupPos+1},", ", + {curr,val},", asn1_NOVALUE);",nl, + "true -> setelement(",{asis,ActualGroupPos+1},", ", + {curr,val},", {extaddgroup,", Elements,"})",nl, + "end,",nl]), + asn1ct_name:new(val). + +any_non_value(_, _, 0, _) -> + []; +any_non_value(Pos, Val, N, Sep) -> + Sep ++ [make_element(Pos, Val)," =/= asn1_NOVALUE"] ++ + any_non_value(Pos+1, Val, N-1, [" orelse",nl]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% generate decode function for SEQUENCE and SET @@ -328,28 +307,29 @@ gen_dec_constructed_imm(Erule, Typename, #type{}=D) -> EmitComp = gen_dec_components_call(Erule, Typename, CompList, DecObjInf, Ext, length(Optionals)), EmitRest = fun({AccTerm,AccBytes}) -> - gen_dec_constructed_imm_2(Typename, CompList, + gen_dec_constructed_imm_2(Erule, Typename, + CompList, ObjSetInfo, AccTerm, AccBytes) end, [EmitExt,EmitOpt|EmitComp++[{safe,EmitRest}]]. -gen_dec_constructed_imm_2(Typename, CompList, +gen_dec_constructed_imm_2(Erule, Typename, CompList, ObjSetInfo, AccTerm, AccBytes) -> - {_,UniqueFName,ValueIndex} = ObjSetInfo, + {_,_UniqueFName,ValueIndex} = ObjSetInfo, case {AccTerm,AccBytes} of {[],[]} -> ok; {_,[]} -> ok; {[{ObjSet,LeadingAttr,Term}],ListOfOpenTypes} -> - DecObj = asn1ct_gen:un_hyphen_var(lists:concat(['DecObj',LeadingAttr,Term])), - ValueMatch = value_match(ValueIndex,Term), - {ObjSetMod,ObjSetName} = ObjSet, - emit([DecObj," =",nl, - " ",{asis,ObjSetMod},":'getdec_",ObjSetName,"'(", - {asis,UniqueFName},", ",ValueMatch,"),",nl]), - gen_dec_listofopentypes(DecObj,ListOfOpenTypes,false) + ValueMatch = value_match(ValueIndex, Term), + _ = [begin + gen_dec_open_type(Erule, ValueMatch, ObjSet, + LeadingAttr, T), + emit([com,nl]) + end || T <- ListOfOpenTypes], + ok end, %% we don't return named lists any more Cnames = mkcnamelist(CompList), demit({"Result = "}), %dbg @@ -423,67 +403,121 @@ to_textual_order(Cs) when is_list(Cs) -> to_textual_order(Cs) -> Cs. -gen_dec_listofopentypes(_,[],_) -> - emit(nl); -gen_dec_listofopentypes(DecObj,[{_Cname,{FirstPFN,PFNList},Term,TmpTerm,Prop}|Rest],_Update) -> +gen_dec_open_type(Erule, Val, {Xmod,Xtype}, LeadingAttr, + {_,{Name,RestFieldNames},Term,TmpTerm,Prop}) -> + #typedef{typespec=ObjSet0} = asn1_db:dbget(Xmod, Xtype), + #'ObjectSet'{class=Class,set=ObjSet1} = ObjSet0, + #'Externaltypereference'{module=ClMod,type=ClType} = Class, + #classdef{typespec=ClassDef} = asn1_db:dbget(ClMod, ClType), + #objectclass{fields=ClassFields} = ClassDef, + Extensible = lists:member('EXTENSIONMARK', ObjSet1), + Typename = [Name,ClType], + ObjSet = index_object_set(Erule, ClType, Name, + ObjSet1, ClassFields), + Key = erlang:md5(term_to_binary({decode,ObjSet,RestFieldNames, + Prop,Extensible})), + Gen = fun(_Fd, N) -> + dec_objset_optional(N, Prop), + dec_objset(Erule, N, ObjSet, RestFieldNames, Typename), + dec_objset_default(N, Name, LeadingAttr, Extensible) + end, + Prefix = lists:concat(["dec_os_",Name]), + F = asn1ct_func:call_gen(Prefix, Key, Gen), + emit([Term," = ",{asis,F},"(",TmpTerm,", ",Val,")"]). - asn1ct_name:new(tmpterm), - asn1ct_name:new(reason), +dec_objset_optional(N, {'DEFAULT',Val}) -> + dec_objset_optional_1(N, Val); +dec_objset_optional(N, 'OPTIONAL') -> + dec_objset_optional_1(N, asn1_NOVALUE); +dec_objset_optional(_N, mandatory) -> ok. - emit([Term," = ",nl]), +dec_objset_optional_1(N, Val) -> + emit([{asis,N},"(",{asis,Val},", _Id) ->",nl, + {asis,Val},";",nl]). - N = case Prop of - mandatory -> 0; - 'OPTIONAL' -> - emit_opt_or_mand_check(asn1_NOVALUE,TmpTerm), - 6; - {'DEFAULT',Val} -> - emit_opt_or_mand_check(Val,TmpTerm), - 6 - end, +dec_objset(_Erule, _N, [], _, _) -> + ok; +dec_objset(Erule, N, [Obj|Objs], RestFields, Cl) -> + dec_objset_1(Erule, N, Obj, RestFields, Cl), + emit([";",nl]), + dec_objset(Erule, N, Objs, RestFields, Cl). + +dec_objset_default(N, C, LeadingAttr, false) -> + emit([{asis,N},"(Bytes, Id) ->",nl, + "exit({'Type not compatible with table constraint'," + "{{component,",{asis,C},"}," + "{value,Bytes}," + "{unique_name_and_value,",{asis,LeadingAttr},",Id}}}).",nl,nl]); +dec_objset_default(N, _, _, true) -> + emit([{asis,N},"(Bytes, Id) ->",nl| + case asn1ct:use_legacy_types() of + false -> + ["{asn1_OPENTYPE,Bytes}.",nl,nl]; + true -> + ["Bytes.",nl,nl] + end]). + +dec_objset_1(Erule, N, {Id,Obj}, RestFields, Typename) -> + emit([{asis,N},"(Bytes, ",{asis,Id},") ->",nl]), + dec_objset_2(Erule, Obj, RestFields, Typename). + +dec_objset_2(Erule, Obj, RestFields0, Typename) -> + case Obj of + #typedef{name={primitive,bif},typespec=Type} -> + Imm = asn1ct_gen_per:gen_dec_imm(Erule, Type), + {Term,_} = asn1ct_imm:dec_slim_cg(Imm, 'Bytes'), + emit([com,nl,Term]); + #typedef{name={constructed,bif},typespec=Type}=Def -> + Prefix = "dec_outlined_", + Key = {dec_outlined,Def}, + Gen = fun(_Fd, Name) -> + gen_dec_obj(Erule, Name, Typename, Type) + end, + Func = asn1ct_func:call_gen(Prefix, Key, Gen), + emit(["{Term,_} = ",{asis,Func},"(Bytes)",com,nl, + "Term"]); + #typedef{name=Type} -> + emit(["{Result,_} = ",{asis,enc_func("dec_", Type)},"(Bytes),",nl, + "Result"]); + #'Externaltypereference'{module=Mod,type=Type} -> + emit("{Term,_} = "), + Func = enc_func("dec_", Type), + case get(currmod) of + Mod -> + emit([{asis,Func},"(Bytes)"]); + _ -> + emit([{asis,Mod},":",{asis,Func},"(Bytes)"]) + end, + emit([com,nl, + "Term"]); + #'Externalvaluereference'{module=Mod,value=Value} -> + case asn1_db:dbget(Mod, Value) of + #typedef{typespec=#'Object'{def=Def}} -> + {object,_,Fields} = Def, + [NextField|RestFields] = RestFields0, + {NextField,Typedef} = lists:keyfind(NextField, 1, Fields), + dec_objset_2(Erule, Typedef, RestFields, Typename) + end + end. - emit([indent(N+3),"case (catch ",DecObj,"(", - {asis,FirstPFN},", ",TmpTerm,", telltype,",{asis,PFNList},")) of",nl]), - emit([indent(N+6),"{'EXIT', ",{curr,reason},"} ->",nl]), - emit([indent(N+9),"exit({'Type not compatible with table constraint',", - {curr,reason},"});",nl]), - emit([indent(N+6),"{",{curr,tmpterm},",_} ->",nl]), - emit([indent(N+9),{curr,tmpterm},nl]), - - case Prop of - mandatory -> - emit([indent(N+3),"end,",nl]); - _ -> - emit([indent(N+3),"end",nl, - indent(3),"end,",nl]) - end, - gen_dec_listofopentypes(DecObj,Rest,true). - - -emit_opt_or_mand_check(Val,Term) -> - emit([indent(3),"case ",Term," of",nl, - indent(6),{asis,Val}," ->",{asis,Val},";",nl, - indent(6),"_ ->",nl]). - -%% ENCODE GENERATOR FOR THE CHOICE TYPE ******* -%% assume Val = {Alternative,AltType} -%% generate -%%[ -%% ?RT_PER:set_choice(element(1,Val),Altnum,Altlist,ext), -%%case element(1,Val) of -%% alt1 -> -%% encode_alt1(element(2,Val)); -%% alt2 -> -%% encode_alt2(element(2,Val)) -%%end -%%]. - -gen_encode_choice(Erule,Typename,D) when is_record(D,type) -> - {'CHOICE',CompList} = D#type.def, - emit({"[",nl}), +gen_dec_obj(Erules, Name, Typename, Type) -> + emit([{asis,Name},"(Bytes) ->",nl]), + InnerType = asn1ct_gen:get_inner(Type#type.def), + asn1ct_gen:gen_decode_constructed(Erules, Typename, + InnerType, Type). + +gen_encode_choice(Erule, TopType, D) -> + asn1ct_name:start(), + Imm = gen_encode_choice_imm(Erule, TopType, D), + asn1ct_imm:enc_cg(Imm, is_aligned(Erule)), + emit([".",nl]). + +gen_encode_choice_imm(Erule, TopType, #type{def={'CHOICE',CompList}}) -> Ext = extensible_enc(CompList), - gen_enc_choice(Erule,Typename,CompList,Ext), - emit({nl,"].",nl}). + Aligned = is_aligned(Erule), + Cs = gen_enc_choice(Erule, TopType, CompList, Ext), + [{assign,{expr,"{ChoiceTag,ChoiceVal}"},"Val"}| + asn1ct_imm:per_enc_choice({var,"ChoiceTag"}, Cs, Aligned)]. gen_decode_choice(Erules,Typename,D) when is_record(D,type) -> asn1ct_name:start(), @@ -496,72 +530,50 @@ gen_decode_choice(Erules,Typename,D) when is_record(D,type) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Encode generator for SEQUENCE OF type - -gen_encode_sof(Erule,Typename,SeqOrSetOf,D) when is_record(D,type) -> +gen_encode_sof(Erule, Typename, SeqOrSetOf, D) -> asn1ct_name:start(), - {_SeqOrSetOf,ComponentType} = D#type.def, - emit({"[",nl}), - SizeConstraint = asn1ct_imm:effective_constraint(bitstring, - D#type.constraint), - ObjFun = - case D#type.tablecinf of - [{objfun,_}|_R] -> - ", ObjFun"; - _-> - "" - end, - gen_encode_length(Erule, SizeConstraint), - emit({indent(3),"'enc_",asn1ct_gen:list2name(Typename), - "_components'(Val",ObjFun,", [])"}), - emit({nl,"].",nl}), - gen_encode_sof_components(Erule, Typename, SeqOrSetOf, ComponentType). - - -%% Logic copied from asn1_per_bin_rt2ct:encode_constrained_number -gen_encode_length(per, {Lb,Ub}) when Ub =< 65535, Lb >= 0 -> - Range = Ub - Lb + 1, - V2 = ["(length(Val) - ",Lb,")"], - Encode = if - Range == 1 -> - "[]"; - Range == 2 -> - {"[",V2,"]"}; - Range =< 4 -> - {"[10,2,",V2,"]"}; - Range =< 8 -> - {"[10,3,",V2,"]"}; - Range =< 16 -> - {"[10,4,",V2,"]"}; - Range =< 32 -> - {"[10,5,",V2,"]"}; - Range =< 64 -> - {"[10,6,",V2,"]"}; - Range =< 128 -> - {"[10,7,",V2,"]"}; - Range =< 255 -> - {"[10,8,",V2,"]"}; - Range =< 256 -> - {"[20,1,",V2,"]"}; - Range =< 65536 -> - {"[20,2,<<",V2,":16>>]"}; - true -> - {call,per,encode_length, - [{asis,{Lb,Ub}},"length(Val)"]} - end, - emit({nl,Encode,",",nl}); -gen_encode_length(Erules, SizeConstraint) -> - emit([nl,indent(3), - case SizeConstraint of - no -> - {call,Erules,encode_length,["length(Val)"]}; - _ -> - {call,Erules,encode_length, - [{asis,SizeConstraint},"length(Val)"]} - end, - com,nl]). + Imm = gen_encode_sof_imm(Erule, Typename, SeqOrSetOf, D), + asn1ct_imm:enc_cg(Imm, is_aligned(Erule)), + emit([".",nl,nl]). -gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) -> +gen_encode_sof_imm(Erule, Typename, SeqOrSetOf, #type{}=D) -> + {_SeqOrSetOf,ComponentType} = D#type.def, + Aligned = is_aligned(Erule), + CompType = ComponentType#type.def, + Constructed_Suffix = asn1ct_gen:constructed_suffix(SeqOrSetOf, CompType), + Conttype = asn1ct_gen:get_inner(CompType), + Currmod = get(currmod), + Imm0 = case asn1ct_gen:type(Conttype) of + {primitive,bif} -> + asn1ct_gen_per:gen_encode_prim_imm({var,"Comp"}, + ComponentType, Aligned); + {constructed,bif} -> + TypeName = [Constructed_Suffix|Typename], + Enc = enc_func(asn1ct_gen:list2name(TypeName)), + ObjArg = case D#type.tablecinf of + [{objfun,_}|_] -> [{var,"ObjFun"}]; + _ -> [] + end, + [{apply,{local,Enc,CompType}, + [{var,"Comp"}|ObjArg]}]; + #'Externaltypereference'{module=Currmod,type=Ename} -> + [{apply,{local,enc_func(Ename),CompType},[{var,"Comp"}]}]; + #'Externaltypereference'{module=EMod,type=Ename} -> + [{apply,{EMod,enc_func(Ename),CompType},[{var,"Comp"}]}]; + 'ASN1_OPEN_TYPE' -> + asn1ct_gen_per:gen_encode_prim_imm({var,"Comp"}, + #type{def='ASN1_OPEN_TYPE'}, + Aligned) + end, + asn1ct_imm:per_enc_sof({var,"Val"}, D#type.constraint, 'Comp', + Imm0, Aligned). + +gen_decode_sof(Erules, Typename, SeqOrSetOf, #type{}=D) -> asn1ct_name:start(), + do_gen_decode_sof(Erules, Typename, SeqOrSetOf, D), + emit([".",nl,nl]). + +do_gen_decode_sof(Erules, Typename, SeqOrSetOf, D) -> {_SeqOrSetOf,ComponentType} = D#type.def, SizeConstraint = asn1ct_imm:effective_constraint(bitstring, D#type.constraint), @@ -573,10 +585,15 @@ gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) -> "" end, {Num,Buf} = gen_decode_length(SizeConstraint, Erules), + Key = erlang:md5(term_to_binary({Typename,SeqOrSetOf,ComponentType})), + Gen = fun(_Fd, Name) -> + gen_decode_sof_components(Erules, Name, + Typename, SeqOrSetOf, + ComponentType) + end, + F = asn1ct_func:call_gen("dec_components", Key, Gen), emit([",",nl, - "'dec_",asn1ct_gen:list2name(Typename), - "_components'(",Num,", ",Buf,ObjFun,", []).",nl,nl]), - gen_decode_sof_components(Erules, Typename, SeqOrSetOf, ComponentType). + {asis,F},"(",Num,", ",Buf,ObjFun,", [])"]). is_aligned(per) -> true; is_aligned(uper) -> false. @@ -586,7 +603,7 @@ gen_decode_length(Constraint, Erule) -> Imm = asn1ct_imm:per_dec_length(Constraint, true, is_aligned(Erule)), asn1ct_imm:dec_slim_cg(Imm, "Bytes"). -gen_encode_sof_components(Erule,Typename,SeqOrSetOf,Cont) -> +gen_decode_sof_components(Erule, Name, Typename, SeqOrSetOf, Cont) -> {ObjFun,ObjFun_Var} = case Cont#type.tablecinf of [{objfun,_}|_R] -> @@ -594,76 +611,32 @@ gen_encode_sof_components(Erule,Typename,SeqOrSetOf,Cont) -> _ -> {"",""} end, - emit({"'enc_",asn1ct_gen:list2name(Typename),"_components'([]", - ObjFun_Var,", Acc) -> lists:reverse(Acc);",nl,nl}), - emit({"'enc_",asn1ct_gen:list2name(Typename),"_components'([H|T]", - ObjFun,", Acc) ->",nl}), - emit({"'enc_",asn1ct_gen:list2name(Typename),"_components'(T"}), - emit({ObjFun,", ["}), - %% the component encoder + emit([{asis,Name},"(0, Bytes",ObjFun_Var,", Acc) ->",nl, + "{lists:reverse(Acc),Bytes};",nl]), + emit([{asis,Name},"(Num, Bytes",ObjFun,", Acc) ->",nl, + "{Term,Remain} = "]), Constructed_Suffix = asn1ct_gen:constructed_suffix(SeqOrSetOf, Cont#type.def), - Conttype = asn1ct_gen:get_inner(Cont#type.def), - Currmod = get(currmod), - case asn1ct_gen:type(Conttype) of - {primitive,bif} -> - asn1ct_gen_per:gen_encode_prim(Erule, Cont, "H"); - {constructed,bif} -> - NewTypename = [Constructed_Suffix|Typename], - emit({"'enc_",asn1ct_gen:list2name(NewTypename),"'(H", - ObjFun,")",nl,nl}); - #'Externaltypereference'{module=Currmod,type=Ename} -> - emit({"'enc_",Ename,"'(H)",nl,nl}); - #'Externaltypereference'{module=EMod,type=EType} -> - emit({"'",EMod,"':'enc_",EType,"'(H)",nl,nl}); - 'ASN1_OPEN_TYPE' -> - asn1ct_gen_per:gen_encode_prim(Erule, - #type{def='ASN1_OPEN_TYPE'}, - "H"); - _ -> - emit({"'enc_",Conttype,"'(H)",nl,nl}) - end, - emit({" | Acc]).",nl}). - -gen_decode_sof_components(Erule,Typename,SeqOrSetOf,Cont) -> - {ObjFun,ObjFun_Var} = - case Cont#type.tablecinf of - [{objfun,_}|_R] -> - {", ObjFun",", _"}; - _ -> - {"",""} - end, - emit({"'dec_",asn1ct_gen:list2name(Typename), - "_components'(0, Bytes",ObjFun_Var,", Acc) ->",nl, - indent(3),"{lists:reverse(Acc), Bytes};",nl}), - emit({"'dec_",asn1ct_gen:list2name(Typename), - "_components'(Num, Bytes",ObjFun,", Acc) ->",nl}), - emit({indent(3),"{Term,Remain} = "}), - Constructed_Suffix = asn1ct_gen:constructed_suffix(SeqOrSetOf, - Cont#type.def), - Conttype = asn1ct_gen:get_inner(Cont#type.def), - Ctgenmod = asn1ct_gen:ct_gen_module(Erule), case asn1ct_gen:type(Conttype) of {primitive,bif} -> - Ctgenmod:gen_dec_prim(Erule,Cont,"Bytes"), + asn1ct_gen_per:gen_dec_prim(Erule, Cont, "Bytes"), emit({com,nl}); {constructed,bif} -> NewTypename = [Constructed_Suffix|Typename], emit({"'dec_",asn1ct_gen:list2name(NewTypename), - "'(Bytes, telltype",ObjFun,"),",nl}); + "'(Bytes",ObjFun,"),",nl}); #'Externaltypereference'{}=Etype -> asn1ct_gen_per:gen_dec_external(Etype, "Bytes"), emit([com,nl]); 'ASN1_OPEN_TYPE' -> - Ctgenmod:gen_dec_prim(Erule,#type{def='ASN1_OPEN_TYPE'}, - "Bytes"), + asn1ct_gen_per:gen_dec_prim(Erule, #type{def='ASN1_OPEN_TYPE'}, + "Bytes"), emit({com,nl}); _ -> - emit({"'dec_",Conttype,"'(Bytes,telltype),",nl}) + emit({"'dec_",Conttype,"'(Bytes),",nl}) end, - emit({indent(3),"'dec_",asn1ct_gen:list2name(Typename), - "_components'(Num-1, Remain",ObjFun,", [Term|Acc]).",nl}). + emit([{asis,Name},"(Num-1, Remain",ObjFun,", [Term|Acc]).",nl]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -754,27 +727,6 @@ gen_dec_optionals(Optionals) -> end, {imm,Imm0,E}. -gen_fixoptionals([{Pos,Def}|R]) -> - asn1ct_name:new(fixopt), - emit({{curr,fixopt}," = case element(",{asis,Pos},",",{curr,val},") of",nl, - "asn1_DEFAULT -> 0;",nl, - {asis,Def}," -> 0;",nl, - "_ -> 1",nl, - "end,",nl}), - gen_fixoptionals(R); -gen_fixoptionals([Pos|R]) -> - gen_fixoptionals([{Pos,asn1_NOVALUE}|R]); -gen_fixoptionals([]) -> - ok. - - -param_map(Fun, [H]) -> - [Fun(H)]; -param_map(Fun, [H|T]) -> - [Fun(H),","|param_map(Fun,T)]. - - - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Produce a list with positions (in the Value record) where %% there are optional components, start with 2 because first element @@ -788,15 +740,15 @@ optionals({L1,Ext,L2}) -> optionals({L,_Ext}) -> optionals(L,[],2); optionals(L) -> optionals(L,[],2). -optionals([{'EXTENSIONMARK',_,_}|Rest],Acc,Pos) -> - optionals(Rest,Acc,Pos); % optionals in extension are currently not handled -optionals([#'ComponentType'{prop='OPTIONAL'}|Rest],Acc,Pos) -> - optionals(Rest,[Pos|Acc],Pos+1); -optionals([#'ComponentType'{prop={'DEFAULT',Val}}|Rest],Acc,Pos) -> - optionals(Rest,[{Pos,Val}|Acc],Pos+1); -optionals([#'ComponentType'{}|Rest],Acc,Pos) -> - optionals(Rest,Acc,Pos+1); -optionals([],Acc,_) -> +optionals([#'ComponentType'{prop='OPTIONAL'}|Rest], Acc, Pos) -> + optionals(Rest, [Pos|Acc], Pos+1); +optionals([#'ComponentType'{typespec=T,prop={'DEFAULT',Val}}|Rest], + Acc, Pos) -> + Vals = def_values(T, Val), + optionals(Rest, [{Pos,Vals}|Acc], Pos+1); +optionals([#'ComponentType'{}|Rest], Acc, Pos) -> + optionals(Rest, Acc, Pos+1); +optionals([], Acc, _) -> lists:reverse(Acc). %%%%%%%%%%%%%%%%%%%%%% @@ -858,33 +810,32 @@ add_textual_order1(Cs,NumIn) -> end, NumIn,Cs). -gen_enc_components_call(Erule,TopType,{Root,ExtList},MaybeComma,DynamicEnc,Ext) -> - gen_enc_components_call(Erule,TopType,{Root,ExtList,[]},MaybeComma,DynamicEnc,Ext); -gen_enc_components_call(Erule,TopType,CL={Root,ExtList,Root2},MaybeComma,DynamicEnc,Ext) -> +gen_enc_components_call(Erule,TopType,{Root,ExtList}, DynamicEnc,Ext) -> + gen_enc_components_call(Erule,TopType,{Root,ExtList,[]}, DynamicEnc,Ext); +gen_enc_components_call(Erule,TopType,CL={Root,ExtList,Root2}, DynamicEnc,Ext) -> %% The type has extensionmarker - Rpos = gen_enc_components_call1(Erule,TopType,Root++Root2,1,MaybeComma,DynamicEnc,noext), - case Ext of - {ext,_,ExtNum} when ExtNum > 0 -> - emit([nl, - ",Extensions",nl]); - - _ -> true - end, + {Imm0,Rpos} = gen_enc_components_call1(Erule,TopType,Root++Root2,1, DynamicEnc,noext,[]), + ExtImm = case Ext of + {ext,_,ExtNum} when ExtNum > 0 -> + [{var,"Extensions"}]; + _ -> + [] + end, %handle extensions {extgrouppos,ExtGroupPosLen} = extgroup_pos_and_length(CL), NewExtList = wrap_extensionAdditionGroups(ExtList,ExtGroupPosLen), - gen_enc_components_call1(Erule,TopType,NewExtList,Rpos,MaybeComma,DynamicEnc,Ext); -gen_enc_components_call(Erule,TopType, CompList, MaybeComma, DynamicEnc, Ext) -> + {Imm1,_} = gen_enc_components_call1(Erule,TopType,NewExtList,Rpos,DynamicEnc,Ext,[]), + Imm0 ++ [ExtImm|Imm1]; +gen_enc_components_call(Erule,TopType, CompList, DynamicEnc, Ext) -> %% The type has no extensionmarker - gen_enc_components_call1(Erule,TopType,CompList,1,MaybeComma,DynamicEnc,Ext). + {Imm,_} = gen_enc_components_call1(Erule,TopType,CompList,1,DynamicEnc,Ext,[]), + Imm. gen_enc_components_call1(Erule,TopType, [C=#'ComponentType'{name=Cname,typespec=Type,prop=Prop}|Rest], Tpos, - MaybeComma, DynamicEnc, Ext) -> + DynamicEnc, Ext, Acc) -> - put(component_type,{true,C}), - %% information necessary in asn1ct_gen_per_rt2ct:gen_encode_prim TermNo = case C#'ComponentType'.textual_order of undefined -> @@ -892,90 +843,91 @@ gen_enc_components_call1(Erule,TopType, CanonicalNum -> CanonicalNum end, - emit(MaybeComma), - case Prop of - 'OPTIONAL' -> - gen_enc_component_optional(Erule,TopType,Cname,Type,TermNo,DynamicEnc,Ext); - {'DEFAULT',DefVal} -> - gen_enc_component_default(Erule,TopType,Cname,Type,TermNo,DynamicEnc,Ext,DefVal); - _ -> - case Ext of - {ext,ExtPos,_} when Tpos >= ExtPos -> - gen_enc_component_optional(Erule,TopType,Cname,Type,TermNo,DynamicEnc,Ext); - _ -> - gen_enc_component_mandatory(Erule,TopType,Cname,Type,TermNo,DynamicEnc,Ext) - end - end, - - erase(component_type), - - case Rest of - [] -> - Tpos+1; - _ -> - emit({com,nl}), - gen_enc_components_call1(Erule,TopType,Rest,Tpos+1,"",DynamicEnc,Ext) + Val = make_var(val), + {Imm0,Element} = asn1ct_imm:enc_element(TermNo+1, Val), + Imm1 = gen_enc_line_imm(Erule, TopType, Cname, Type, Element, DynamicEnc, Ext), + Category = case {Prop,Ext} of + {'OPTIONAL',_} -> + optional; + {{'DEFAULT',DefVal},_} -> + {default,DefVal}; + {_,{ext,ExtPos,_}} when Tpos >= ExtPos -> + optional; + {_,_} -> + mandatory + end, + Imm2 = case Category of + mandatory -> + Imm1; + optional -> + asn1ct_imm:enc_absent(Element, [asn1_NOVALUE], Imm1); + {default,Def} -> + DefValues = def_values(Type, Def), + asn1ct_imm:enc_absent(Element, DefValues, Imm1) + end, + Imm = case Imm2 of + [] -> []; + _ -> Imm0 ++ Imm2 + end, + gen_enc_components_call1(Erule, TopType, Rest, Tpos+1, DynamicEnc, Ext, [Imm|Acc]); +gen_enc_components_call1(_Erule,_TopType,[],Pos,_,_, Acc) -> + ImmList = lists:reverse(Acc), + {ImmList,Pos}. + +def_values(#type{def=#'Externaltypereference'{module=Mod,type=Type}}, Def) -> + #typedef{typespec=T} = asn1_db:dbget(Mod, Type), + def_values(T, Def); +def_values(#type{def={'BIT STRING',[]}}, Bs) when is_bitstring(Bs) -> + case asn1ct:use_legacy_types() of + false -> + [asn1_DEFAULT,Bs]; + true -> + ListBs = [B || <<B:1>> <= Bs], + IntBs = lists:foldl(fun(B, A) -> + (A bsl 1) bor B + end, 0, lists:reverse(ListBs)), + Sz = bit_size(Bs), + Compact = case 8 - Sz rem 8 of + 8 -> + {0,Bs}; + Unused -> + {Unused,<<Bs:Sz/bits,0:Unused>>} + end, + [asn1_DEFAULT,Bs,Compact,ListBs,IntBs] end; -gen_enc_components_call1(_Erule,_TopType,[],Pos,_,_,_) -> - Pos. - -gen_enc_component_default(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext,DefaultVal) -> - Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))), - emit({"case ",Element," of",nl}), -% emit({"asn1_DEFAULT -> [];",nl}), - emit({"DFLT when DFLT == asn1_DEFAULT; DFLT == ",{asis,DefaultVal}," -> [];",nl}), - - asn1ct_name:new(tmpval), - emit({{curr,tmpval}," ->",nl}), - InnerType = asn1ct_gen:get_inner(Type#type.def), - emit({nl,"%% attribute number ",Pos," with type ", - InnerType,nl}), - NextElement = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)), - gen_enc_line(Erule,TopType,Cname,Type,NextElement, Pos,DynamicEnc,Ext), - emit({nl,"end"}). - -gen_enc_component_optional(Erule,TopType,Cname, - Type=#type{def=#'SEQUENCE'{ - extaddgroup=Number, - components=_ExtGroupCompList}}, - Pos,DynamicEnc,Ext) when is_integer(Number) -> - - Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))), - emit({"case ",Element," of",nl}), - - emit({"asn1_NOVALUE -> [];",nl}), - asn1ct_name:new(tmpval), - emit({{curr,tmpval}," ->",nl}), - InnerType = asn1ct_gen:get_inner(Type#type.def), - emit({nl,"%% attribute number ",Pos," with type ", - InnerType,nl}), - NextElement = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)), - gen_enc_line(Erule,TopType,Cname,Type,NextElement, Pos,DynamicEnc,Ext), - emit({nl,"end"}); -gen_enc_component_optional(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext) -> - Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))), - emit({"case ",Element," of",nl}), - - emit({"asn1_NOVALUE -> [];",nl}), - asn1ct_name:new(tmpval), - emit({{curr,tmpval}," ->",nl}), - InnerType = asn1ct_gen:get_inner(Type#type.def), - emit({nl,"%% attribute number ",Pos," with type ", - InnerType,nl}), - NextElement = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)), - gen_enc_line(Erule,TopType,Cname,Type,NextElement, Pos,DynamicEnc,Ext), - emit({nl,"end"}). +def_values(#type{def={'BIT STRING',[_|_]=Ns}}, List) when is_list(List) -> + Bs = asn1ct_gen:named_bitstring_value(List, Ns), + As = case asn1ct:use_legacy_types() of + false -> + [List,Bs]; + true -> + ListBs = [B || <<B:1>> <= Bs], + IntBs = lists:foldl(fun(B, A) -> + (A bsl 1) bor B + end, 0, lists:reverse(ListBs)), + [List,Bs,ListBs,IntBs] + end, + {call,per_common,is_default_bitstring,As}; +def_values(#type{def={'INTEGER',Ns}}, Def) -> + [asn1_DEFAULT,Def|case lists:keyfind(Def, 2, Ns) of + false -> []; + {Val,Def} -> [Val] + end]; +def_values(_, Def) -> + [asn1_DEFAULT,Def]. + +gen_enc_line_imm(Erule, TopType, Cname, Type, Element, DynamicEnc, Ext) -> + Imm0 = gen_enc_line_imm_1(Erule, TopType, Cname, Type, + Element, DynamicEnc), + Aligned = is_aligned(Erule), + case Ext of + {ext,_Ep2,_} -> + asn1ct_imm:per_enc_open_type(Imm0, Aligned); + _ -> + Imm0 + end. -gen_enc_component_mandatory(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext) -> - InnerType = asn1ct_gen:get_inner(Type#type.def), - emit({nl,"%% attribute number ",Pos," with type ", - InnerType,nl}), - gen_enc_line(Erule,TopType,Cname,Type,[],Pos,DynamicEnc,Ext). - -gen_enc_line(Erule,TopType, Cname, Type, [], Pos,DynamicEnc,Ext) -> - Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))), - gen_enc_line(Erule,TopType,Cname,Type,Element, Pos,DynamicEnc,Ext); -gen_enc_line(Erule,TopType,Cname,Type,Element, _Pos,DynamicEnc,Ext) -> +gen_enc_line_imm_1(Erule, TopType, Cname, Type, Element, DynamicEnc) -> Atype = case Type of #type{def=#'ObjectClassFieldType'{type=InnerType}} -> @@ -983,81 +935,182 @@ gen_enc_line(Erule,TopType,Cname,Type,Element, _Pos,DynamicEnc,Ext) -> _ -> asn1ct_gen:get_inner(Type#type.def) end, - - case Ext of - {ext,_Ep1,_} -> - asn1ct_func:need({Erule,encode_open_type,1}), - asn1ct_func:need({Erule,complete,1}), - emit(["encode_open_type(complete("]); - _ -> true - end, - + Aligned = is_aligned(Erule), case Atype of {typefield,_} -> - case DynamicEnc of - {_LeadingAttrName,Fun} -> - case (Type#type.def)#'ObjectClassFieldType'.fieldname of - {Name,RestFieldNames} when is_atom(Name) -> - asn1ct_func:need({Erule,complete,1}), - asn1ct_func:need({Erule,encode_open_type,1}), - emit({"encode_open_type(complete(",nl}), - emit({" ",Fun,"(",{asis,Name},", ", - Element,", ",{asis,RestFieldNames},")))"}); - Other -> - throw({asn1,{'internal error',Other}}) - end - end; - {objectfield,PrimFieldName1,PFNList} -> - case DynamicEnc of - {_LeadingAttrName,Fun} -> - asn1ct_func:need({Erule,complete,1}), - asn1ct_func:need({Erule,encode_open_type,1}), - emit({"encode_open_type(" - "complete(",nl}), - emit({" ",Fun,"(",{asis,PrimFieldName1}, - ", ",Element,", ",{asis,PFNList},")))"}) + {_LeadingAttrName,Fun} = DynamicEnc, + case (Type#type.def)#'ObjectClassFieldType'.fieldname of + {Name,RestFieldNames} when is_atom(Name) -> + Imm = enc_var_type_call(Erule, Name, RestFieldNames, + Type, Fun, Element), + asn1ct_imm:per_enc_open_type(Imm, Aligned) end; _ -> CurrMod = get(currmod), case asn1ct_gen:type(Atype) of - #'Externaltypereference'{module=Mod,type=EType} when - (CurrMod==Mod) -> - emit({"'enc_",EType,"'(",Element,")"}); + #'Externaltypereference'{module=CurrMod,type=EType} -> + [{apply,{local,enc_func(EType),Atype},[Element]}]; #'Externaltypereference'{module=Mod,type=EType} -> - emit({"'",Mod,"':'enc_", - EType,"'(",Element,")"}); + [{apply,{Mod,enc_func(EType),Atype},[Element]}]; {primitive,bif} -> - asn1ct_gen_per:gen_encode_prim(Erule, Type, Element); + asn1ct_gen_per:gen_encode_prim_imm(Element, Type, Aligned); 'ASN1_OPEN_TYPE' -> case Type#type.def of #'ObjectClassFieldType'{type=OpenType} -> - asn1ct_gen_per:gen_encode_prim(Erule, - #type{def=OpenType}, - Element); + asn1ct_gen_per:gen_encode_prim_imm(Element, + #type{def=OpenType}, + Aligned); _ -> - asn1ct_gen_per:gen_encode_prim(Erule, Type, - Element) + asn1ct_gen_per:gen_encode_prim_imm(Element, + Type, + Aligned) end; {constructed,bif} -> NewTypename = [Cname|TopType], + Enc = enc_func(asn1ct_gen:list2name(NewTypename)), case {Type#type.tablecinf,DynamicEnc} of {[{objfun,_}|_R],{_,EncFun}} -> - emit({"'enc_", - asn1ct_gen:list2name(NewTypename), - "'(",Element,", ",EncFun,")"}); + [{apply,{local,Enc,Type},[Element,EncFun]}]; _ -> - emit({"'enc_", - asn1ct_gen:list2name(NewTypename), - "'(",Element,")"}) + [{apply,{local,Enc,Type},[Element]}] end end - end, - case Ext of - {ext,_Ep2,_} -> - emit("))"); - _ -> true end. +enc_func(Type) -> + enc_func("enc_", Type). + +enc_func(Prefix, Name) -> + list_to_atom(lists:concat([Prefix,Name])). + +enc_var_type_call(Erule, Name, RestFieldNames, + #type{tablecinf=TCI}, Fun, Val) -> + [{objfun,#'Externaltypereference'{module=Xmod,type=Xtype}}] = TCI, + #typedef{typespec=ObjSet0} = asn1_db:dbget(Xmod, Xtype), + #'ObjectSet'{class=Class,set=ObjSet1} = ObjSet0, + #'Externaltypereference'{module=ClMod,type=ClType} = Class, + #classdef{typespec=ClassDef} = asn1_db:dbget(ClMod, ClType), + #objectclass{fields=ClassFields} = ClassDef, + Extensible = lists:member('EXTENSIONMARK', ObjSet1), + ObjSet = index_object_set(Erule, ClType, Name, + ObjSet1, ClassFields), + Key = erlang:md5(term_to_binary({encode,ObjSet,RestFieldNames,Extensible})), + TypeName = [ClType,Name], + Imm = enc_objset_imm(Erule, TypeName, Name, ObjSet, + RestFieldNames, Extensible), + Lambda = {lambda,[{var,"Val"},{var,"Id"}],Imm}, + Gen = fun(_Fd, N) -> + Aligned = is_aligned(Erule), + emit([{asis,N},"(Val, Id) ->",nl]), + asn1ct_imm:enc_cg(Imm, Aligned), + emit([".",nl]) + end, + Prefix = lists:concat(["enc_os_",Name]), + [{call_gen,Prefix,Key,Gen,Lambda,[Val,Fun]}]. + +index_object_set(_Erules, _ClType, Name, Set0, ClassFields) -> + Set = index_object_set_1(Name, Set0, ClassFields), + lists:sort(Set). + +index_object_set_1(Name, [{_,Key,Code}|T], ClassFields) -> + case index_object_set_2(Name, Code, ClassFields) of + none -> + index_object_set_1(Name, T, ClassFields); + Type -> + [{Key,Type}|index_object_set_1(Name, T, ClassFields)] + end; +index_object_set_1(Name, [_|T], ClassFields) -> + index_object_set_1(Name, T, ClassFields); +index_object_set_1(_, [], _) -> + []. + +index_object_set_2(Name, [{Name,Type}|_], _ClassFields) -> + Type; +index_object_set_2(Name, [_|T], ClassFields) -> + index_object_set_2(Name, T, ClassFields); +index_object_set_2(Name, [], ClassFields) -> + case lists:keyfind(Name, 2, ClassFields) of + {typefield,Name,'OPTIONAL'} -> + none; + {objectfield,Name,_,_,'OPTIONAL'} -> + none; + {typefield,Name,{'DEFAULT',#type{}=Type}} -> + InnerType = asn1ct_gen:get_inner(Type#type.def), + case asn1ct_gen:type(InnerType) of + {primitive,bif} -> + #typedef{name={primitive,bif},typespec=Type}; + {constructed,bif} -> + #typedef{name={constructed,bif},typespec=Type} + end + end. + +enc_objset_imm(Erule, TypeName, Component, ObjSet, + RestFieldNames, Extensible) -> + Aligned = is_aligned(Erule), + E = {error, + fun() -> + emit(["exit({'Type not compatible with table constraint'," + "{component,",{asis,Component},"}," + "{value,Val}," + "{unique_name_and_value,'_'}})",nl]) + end}, + [{'cond', + [[{eq,{var,"Id"},Key}| + enc_obj(Erule, Obj, TypeName, RestFieldNames, Aligned)] || + {Key,Obj} <- ObjSet] ++ + [['_',case Extensible of + false -> + E; + true -> + case asn1ct:use_legacy_types() of + false -> + {call,per_common,open_type_to_binary, + [{var,"Val"}]}; + true -> + {call,per_common,legacy_open_type_to_binary, + [{var,"Val"}]} + end + end]]}]. + +enc_obj(Erule, Obj, TypeName, RestFieldNames0, Aligned) -> + Val = {var,"Val"}, + case Obj of + #typedef{name={constructed,bif},typespec=Type}=Def -> + Prefix = "enc_outlined_", + Key = {enc_outlined,Def}, + Gen = fun(_Fd, Name) -> + gen_enc_obj(Erule, Name, TypeName, Type) + end, + [{call_gen,Prefix,Key,Gen,undefined,[Val]}]; + #typedef{name={primitive,bif},typespec=Def} -> + asn1ct_gen_per:gen_encode_prim_imm({var,"Val"}, Def, Aligned); + #typedef{name=Type} -> + [{apply,{local,enc_func(Type),Type},[{var,"Val"}]}]; + #'Externalvaluereference'{module=Mod,value=Value} -> + case asn1_db:dbget(Mod, Value) of + #typedef{typespec=#'Object'{def=Def}} -> + {object,_,Fields} = Def, + [NextField|RestFieldNames] = RestFieldNames0, + {NextField,Typedef} = lists:keyfind(NextField, 1, Fields), + enc_obj(Erule, Typedef, TypeName, + RestFieldNames, Aligned) + end; + #'Externaltypereference'{module=Mod,type=Type} -> + Func = enc_func(Type), + case get(currmod) of + Mod -> + [{apply,{local,Func,Obj},[{var,"Val"}]}]; + _ -> + [{apply,{Mod,Func,Obj},[{var,"Val"}]}] + end + end. + +gen_enc_obj(Erules, Name, Typename, Type) -> + emit([{asis,Name},"(Val) ->",nl]), + InnerType = asn1ct_gen:get_inner(Type#type.def), + asn1ct_gen:gen_encode_constructed(Erules, Typename, + InnerType, Type). + gen_dec_components_call(Erule, TopType, {Root,ExtList}, DecInfObj, Ext, NumberOfOptionals) -> gen_dec_components_call(Erule,TopType,{Root,ExtList,[]}, @@ -1163,14 +1216,6 @@ gen_dec_comp_call(Comp, Erule, TopType, Tpos, OptTable, DecInfObj, emit(["{",{curr,tmpterm},", ",{next,bytes},"} = "]), St end; - %%{objectfield,_,_} when Ext == noext, Prop == mandatory -> - {{objectfield,_,_},true} -> - fun(St) -> - asn1ct_name:new(term), - asn1ct_name:new(tmpterm), - emit(["{",{curr,tmpterm},", ",{next,bytes},"} = "]), - St - end; _ -> case Type of #type{def=#'SEQUENCE'{ @@ -1204,7 +1249,8 @@ gen_dec_comp_call(Comp, Erule, TopType, Tpos, OptTable, DecInfObj, comp_call_pre_post(noext, mandatory, _, _, _, _, _, _) -> {[],[]}; -comp_call_pre_post(noext, Prop, _, _, TextPos, OptTable, NumOptionals, Ext) -> +comp_call_pre_post(noext, Prop, _, Type, TextPos, + OptTable, NumOptionals, Ext) -> %% OPTIONAL or DEFAULT OptPos = get_optionality_pos(TextPos, OptTable), Element = case NumOptionals - OptPos of @@ -1222,7 +1268,7 @@ comp_call_pre_post(noext, Prop, _, _, TextPos, OptTable, NumOptionals, Ext) -> emit([";",nl, "0 ->",nl, "{"]), - gen_dec_component_no_val(Ext, Prop), + gen_dec_component_no_val(Ext, Type, Prop), emit([",",{curr,bytes},"}",nl, "end"]), St @@ -1244,10 +1290,10 @@ comp_call_pre_post({ext,_,_}, Prop, Pos, Type, _, _, _, Ext) -> components=ExtGroupCompList2}} when is_integer(Number2)-> emit("{extAddGroup,"), - gen_dec_extaddGroup_no_val(Ext, ExtGroupCompList2), + gen_dec_extaddGroup_no_val(Ext, Type, ExtGroupCompList2), emit("}"); _ -> - gen_dec_component_no_val(Ext, Prop) + gen_dec_component_no_val(Ext, Type, Prop) end, emit([",",{curr,bytes},"}",nl, "end"]), @@ -1262,21 +1308,22 @@ is_mandatory_predef_tab_c(_, _, {"got objfun through args","ObjFun"}) -> is_mandatory_predef_tab_c(_,_,_) -> true. -gen_dec_extaddGroup_no_val(Ext,[#'ComponentType'{prop=Prop}])-> - gen_dec_component_no_val(Ext,Prop), +gen_dec_extaddGroup_no_val(Ext, Type, [#'ComponentType'{prop=Prop}])-> + gen_dec_component_no_val(Ext, Type, Prop), ok; -gen_dec_extaddGroup_no_val(Ext,[#'ComponentType'{prop=Prop}|Rest])-> - gen_dec_component_no_val(Ext,Prop), - emit({","}), - gen_dec_extaddGroup_no_val(Ext,Rest); -gen_dec_extaddGroup_no_val(_, []) -> +gen_dec_extaddGroup_no_val(Ext, Type, [#'ComponentType'{prop=Prop}|Rest])-> + gen_dec_component_no_val(Ext, Type, Prop), + emit(","), + gen_dec_extaddGroup_no_val(Ext, Type, Rest); +gen_dec_extaddGroup_no_val(_, _, []) -> ok. -gen_dec_component_no_val(_,{'DEFAULT',DefVal}) -> +gen_dec_component_no_val(_, Type, {'DEFAULT',DefVal0}) -> + DefVal = asn1ct_gen:conform_value(Type, DefVal0), emit([{asis,DefVal}]); -gen_dec_component_no_val(_,'OPTIONAL') -> +gen_dec_component_no_val(_, _, 'OPTIONAL') -> emit({"asn1_NOVALUE"}); -gen_dec_component_no_val({ext,_,_},mandatory) -> +gen_dec_component_no_val({ext,_,_}, _, mandatory) -> emit({"asn1_NOVALUE"}). @@ -1350,25 +1397,19 @@ gen_dec_line_special(Erule, {typefield,_}, _TopType, Comp, false -> % This is in a choice with typefield components {Name,RestFieldNames} = (Type#type.def)#'ObjectClassFieldType'.fieldname, - - asn1ct_name:new(reason), Imm = asn1ct_imm:per_dec_open_type(is_aligned(Erule)), BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)), {TmpTerm,TempBuf} = asn1ct_imm:dec_slim_cg(Imm, BytesVar), + emit([com,nl]), + #type{tablecinf=[{objfun, + #'Externaltypereference'{module=Xmod, + type=Xtype}}]} = + Type, + gen_dec_open_type(Erule, "ObjFun", {Xmod,Xtype}, + '_', {'_',{Name,RestFieldNames}, + 'Result',TmpTerm,mandatory}), emit([com,nl, - {next,bytes}," = ",TempBuf,com,nl, - indent(2),"case (catch ObjFun(", - {asis,Name},",",TmpTerm,",telltype,", - {asis,RestFieldNames},")) of", nl]), - emit([indent(4),"{'EXIT',",{curr,reason},"} ->",nl]), - emit([indent(6),"exit({'Type not ", - "compatible with table constraint', ", - {curr,reason},"});",nl]), - asn1ct_name:new(tmpterm), - emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]), - emit([indent(6),"{",{asis,Cname},", {",{curr,tmpterm},", ", - {next,bytes},"}}",nl]), - emit([indent(2),"end"]), + "{",{asis,Cname},",{Result,",TempBuf,"}}"]), {[],PrevSt}; {"got objfun through args","ObjFun"} -> %% this is when the generated code gots the @@ -1388,27 +1429,22 @@ gen_dec_line_special(Erule, {typefield,_}, _TopType, Comp, BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)), asn1ct_imm:dec_code_gen(Imm, BytesVar), emit([com,nl]), + #type{tablecinf=[{objfun, + #'Externaltypereference'{module=Xmod, + type=Xtype}}]} = + Type, + Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)), + TmpTerm = asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)), if Prop =:= mandatory -> - emit([{curr,term}," =",nl," "]); - true -> - emit([" {"]) - end, - emit(["case (catch ObjFun(",{asis,Name},",", - {curr,tmpterm},",telltype,", - {asis,RestFieldNames},")) of", nl]), - emit([" {'EXIT',",{curr,reason},"} ->",nl]), - emit([indent(6),"exit({'Type not ", - "compatible with table constraint', ", - {curr,reason},"});",nl]), - asn1ct_name:new(tmpterm), - emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]), - emit([indent(6),{curr,tmpterm},nl]), - emit([indent(2),"end"]), - if - Prop =:= mandatory -> - ok; + gen_dec_open_type(Erule, "ObjFun", {Xmod,Xtype}, + '_', {'_',{Name,RestFieldNames}, + Term,TmpTerm,Prop}); true -> + emit([" {"]), + gen_dec_open_type(Erule, "ObjFun", {Xmod,Xtype}, + '_', {'_',{Name,RestFieldNames}, + '_',TmpTerm,Prop}), emit([",",nl,{curr,tmpbytes},"}"]) end, {[],PrevSt}; @@ -1425,19 +1461,6 @@ gen_dec_line_special(Erule, {typefield,_}, _TopType, Comp, Prop}],PrevSt} end end; -gen_dec_line_special(Erule, {objectfield,PrimFieldName1,PFNList}, _TopType, - Comp, _DecInfObj) -> - fun({_BytesVar,PrevSt}) -> - Imm = asn1ct_imm:per_dec_open_type(is_aligned(Erule)), - BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)), - asn1ct_imm:dec_code_gen(Imm, BytesVar), - #'ComponentType'{name=Cname,prop=Prop} = Comp, - SaveBytes = [{Cname,{PrimFieldName1,PFNList}, - asn1ct_gen:mk_var(asn1ct_name:curr(term)), - asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)), - Prop}], - {SaveBytes,PrevSt} - end; gen_dec_line_special(Erule, Atype, TopType, Comp, DecInfObj) -> case gen_dec_line_other(Erule, Atype, TopType, Comp) of Fun when is_function(Fun, 1) -> @@ -1458,14 +1481,11 @@ gen_dec_line_special(Erule, Atype, TopType, Comp, DecInfObj) -> gen_dec_line_dec_inf(Comp, DecInfObj) -> #'ComponentType'{name=Cname} = Comp, case DecInfObj of - {Cname,{_,OSet,UniqueFName,ValIndex}} -> + {Cname,{_,_OSet,_UniqueFName,ValIndex}} -> Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)), ValueMatch = value_match(ValIndex,Term), - {ObjSetMod,ObjSetName} = OSet, emit([",",nl, - "ObjFun = ",{asis,ObjSetMod}, - ":'getdec_",ObjSetName,"'(", - {asis,UniqueFName},", ",ValueMatch,")"]); + "ObjFun = ",ValueMatch]); _ -> ok end. @@ -1492,86 +1512,67 @@ gen_dec_line_other(Erule, Atype, TopType, Comp) -> [{objfun,_}|_R] -> fun(BytesVar) -> emit({"'dec_",asn1ct_gen:list2name(NewTypename), - "'(",BytesVar,", telltype, ObjFun)"}) + "'(",BytesVar,", ObjFun)"}) end; _ -> fun(BytesVar) -> emit({"'dec_",asn1ct_gen:list2name(NewTypename), - "'(",BytesVar,", telltype)"}) + "'(",BytesVar,")"}) end end end. -gen_enc_choice(Erule,TopType,CompList,Ext) -> - gen_enc_choice_tag(Erule, CompList, [], Ext), - emit({com,nl}), - emit({"case element(1,Val) of",nl}), - gen_enc_choice2(Erule,TopType, CompList, Ext), - emit({nl,"end"}). - -gen_enc_choice_tag(Erule, {C1,C2}, _, _) -> - N1 = get_name_list(C1), - N2 = get_name_list(C2), - call(Erule,set_choice, - ["element(1, Val)", - {asis,{N1,N2}}, - {asis,{length(N1),length(N2)}}]); -gen_enc_choice_tag(Erule, {C1,C2,C3}, _, _) -> - N1 = get_name_list(C1), - N2 = get_name_list(C2), - N3 = get_name_list(C3), - Root = N1 ++ N3, - call(Erule,set_choice, - ["element(1, Val)", - {asis,{Root,N2}}, - {asis,{length(Root),length(N2)}}]); -gen_enc_choice_tag(Erule, C, _, _) -> - N = get_name_list(C), - call(Erule,set_choice, - ["element(1, Val)", - {asis,N},{asis,length(N)}]). - -get_name_list(L) -> - get_name_list(L,[]). - -get_name_list([#'ComponentType'{name=Name}|T], Acc) -> - get_name_list(T,[Name|Acc]); -get_name_list([], Acc) -> - lists:reverse(Acc). - - -gen_enc_choice2(Erule,TopType, {L1,L2}, Ext) -> - gen_enc_choice2(Erule, TopType, L1 ++ L2, 0, [], Ext); -gen_enc_choice2(Erule, TopType, {L1,L2,L3}, Ext) -> - gen_enc_choice2(Erule, TopType, L1 ++ L3 ++ L2, 0, [], Ext); -gen_enc_choice2(Erule,TopType, L, Ext) -> - gen_enc_choice2(Erule,TopType, L, 0, [], Ext). +gen_enc_choice(Erule, TopType, {Root,Exts}, Ext) -> + Constr = choice_constraint(Root), + gen_enc_choices(Root, Erule, TopType, 0, Constr, Ext) ++ + gen_enc_choices(Exts, Erule, TopType, 0, ext, Ext); +gen_enc_choice(Erule, TopType, {Root,Exts,[]}, Ext) -> + gen_enc_choice(Erule, TopType, {Root,Exts}, Ext); +gen_enc_choice(Erule, TopType, Root, Ext) when is_list(Root) -> + Constr = choice_constraint(Root), + gen_enc_choices(Root, Erule, TopType, 0, Constr, Ext). + +choice_constraint(L) -> + case length(L) of + 0 -> [{'SingleValue',0}]; + Len -> [{'ValueRange',{0,Len-1}}] + end. -gen_enc_choice2(Erule, TopType, [H|T], Pos, Sep0, Ext) -> +gen_enc_choices([H|T], Erule, TopType, Pos, Constr, Ext) -> #'ComponentType'{name=Cname,typespec=Type} = H, + Aligned = is_aligned(Erule), EncObj = case asn1ct_gen:get_constraint(Type#type.constraint, componentrelation) of no -> case Type#type.tablecinf of [{objfun,_}|_] -> - {"got objfun through args","ObjFun"}; + {"got objfun through args",{var,"ObjFun"}}; _ -> false end; _ -> - {no_attr,"ObjFun"} + {no_attr,{var,"ObjFun"}} end, - emit([Sep0,{asis,Cname}," ->",nl]), - DoExt = case Ext of - {ext,ExtPos,_} when Pos + 1 < ExtPos -> noext; - _ -> Ext + DoExt = case Constr of + ext -> Ext; + _ -> noext end, - gen_enc_line(Erule, TopType, Cname, Type, "element(2, Val)", - Pos+1, EncObj, DoExt), - Sep = [";",nl], - gen_enc_choice2(Erule, TopType, T, Pos+1, Sep, Ext); -gen_enc_choice2(_, _, [], _, _, _) -> ok. + Tag = case {Ext,Constr} of + {noext,_} -> + asn1ct_imm:per_enc_integer(Pos, Constr, Aligned); + {{ext,_,_},ext} -> + [{put_bits,1,1,[1]}| + asn1ct_imm:per_enc_small_number(Pos, Aligned)]; + {{ext,_,_},_} -> + [{put_bits,0,1,[1]}| + asn1ct_imm:per_enc_integer(Pos, Constr, Aligned)] + end, + Body = gen_enc_line_imm(Erule, TopType, Cname, Type, {var,"ChoiceVal"}, + EncObj, DoExt), + Imm = Tag ++ Body, + [{Cname,Imm}|gen_enc_choices(T, Erule, TopType, Pos+1, Constr, Ext)]; +gen_enc_choices([], _, _, _, _, _) -> []. %% Generate the code for CHOICE. If the CHOICE is extensible, %% the structure of the generated code is as follows: @@ -1704,9 +1705,6 @@ gen_dec_choice2(Erule, TopType, [H0|T], Pos, Sep0, Pre) -> gen_dec_choice2(Erule, TopType, T, Pos+1, Sep, Pre); gen_dec_choice2(_, _, [], _, _, _) -> ok. -indent(N) -> - lists:duplicate(N,32). % 32 = space - make_elements(I,Val,ExtCnames) -> make_elements(I,Val,ExtCnames,[]). @@ -1720,7 +1718,7 @@ make_elements(_I,_,[],Acc) -> lists:reverse(Acc). make_element(I, Val) -> - io_lib:format("element(~w,~s)", [I,Val]). + lists:flatten(io_lib:format("element(~w, ~s)", [I,Val])). emit_extaddgroupTerms(VarSeries,[_]) -> asn1ct_name:new(VarSeries), @@ -1788,5 +1786,12 @@ value_match1(Value,[],Acc,Depth) -> value_match1(Value,[{VI,_}|VIs],Acc,Depth) -> value_match1(Value,VIs,Acc++lists:concat(["element(",VI,","]),Depth+1). -is_optimized(per) -> true; -is_optimized(uper) -> false. +enc_dig_out_value([], Value) -> + {[],Value}; +enc_dig_out_value([{N,_}|T], Value) -> + {Imm0,Dst0} = enc_dig_out_value(T, Value), + {Imm,Dst} = asn1ct_imm:enc_element(N, Dst0), + {Imm0++Imm,Dst}. + +make_var(Base) -> + {var,atom_to_list(asn1ct_gen:mk_var(asn1ct_name:curr(Base)))}. diff --git a/lib/asn1/src/asn1ct_eval_per.funcs b/lib/asn1/src/asn1ct_eval_per.funcs deleted file mode 100644 index a1ea5cd043..0000000000 --- a/lib/asn1/src/asn1ct_eval_per.funcs +++ /dev/null @@ -1,2 +0,0 @@ -{per,encode_constrained_number,2}. -{per,encode_small_number,1}. diff --git a/lib/asn1/src/asn1ct_eval_uper.funcs b/lib/asn1/src/asn1ct_eval_uper.funcs deleted file mode 100644 index 884a486f40..0000000000 --- a/lib/asn1/src/asn1ct_eval_uper.funcs +++ /dev/null @@ -1,2 +0,0 @@ -{uper,encode_constrained_number,2}. -{uper,encode_small_number,1}. diff --git a/lib/asn1/src/asn1ct_func.erl b/lib/asn1/src/asn1ct_func.erl index ab0dbcce8f..0cd72acf9d 100644 --- a/lib/asn1/src/asn1ct_func.erl +++ b/lib/asn1/src/asn1ct_func.erl @@ -1,25 +1,27 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1ct_func). --export([start_link/0,need/1,call/3,generate/1]). +-export([start_link/0,need/1,call/3,call_gen/3,call_gen/4, + generate/1,is_used/1]). -export([init/1,handle_call/3,handle_cast/2,terminate/2]). start_link() -> @@ -28,15 +30,33 @@ start_link() -> ok. call(M, F, Args) -> - MFA = {M,F,length(Args)}, + A = length(Args), + MFA = {M,F,A}, need(MFA), - asn1ct_gen:emit([F,"(",call_args(Args, ""),")"]). + case M of + binary -> + asn1ct_gen:emit(["binary:",F,"(",call_args(Args, ""),")"]); + _ -> + asn1ct_gen:emit([F,"(",call_args(Args, ""),")"]) + end. +need({binary,_,_}) -> + ok; +need({erlang,_,_}) -> + ok; need(MFA) -> asn1ct_rtt:assert_defined(MFA), cast({need,MFA}). +call_gen(Prefix, Key, Gen, Args) when is_function(Gen, 2) -> + F = req({gen_func,Prefix,Key,Gen}), + asn1ct_gen:emit([{asis,F},"(",call_args(Args, ""),")"]). + +call_gen(Prefix, Key, Gen) when is_function(Gen, 2) -> + req({gen_func,Prefix,Key,Gen}). + generate(Fd) -> + do_generate(Fd), Used0 = req(get_used), erase(?MODULE), Used = sofs:set(Used0, [mfa]), @@ -45,6 +65,10 @@ generate(Fd) -> Funcs = sofs:to_external(Funcs0), ok = file:write(Fd, Funcs). +is_used({_,_,_}=MFA) -> + req({is_used,MFA}). + + req(Req) -> gen_server:call(get(?MODULE), Req, infinity). @@ -53,10 +77,13 @@ cast(Req) -> %%% Internal functions. --record(st, {used}). +-record(st, {used, %Used functions + gen, %Dynamically generated functions + gc=1 %Counter for generated functions + }). init([]) -> - St = #st{used=gb_sets:empty()}, + St = #st{used=gb_sets:empty(),gen=gb_trees:empty()}, {ok,St}. handle_cast({need,MFA}, #st{used=Used0}=St) -> @@ -69,7 +96,23 @@ handle_cast({need,MFA}, #st{used=Used0}=St) -> end. handle_call(get_used, _From, #st{used=Used}=St) -> - {stop,normal,gb_sets:to_list(Used),St}. + {stop,normal,gb_sets:to_list(Used),St}; +handle_call(get_gen, _From, #st{gen=G0}=St) -> + {L,G} = do_get_gen(gb_trees:to_list(G0), [], []), + {reply,L,St#st{gen=gb_trees:from_orddict(G)}}; +handle_call({gen_func,Prefix,Key,GenFun}, _From, #st{gen=G0,gc=Gc0}=St) -> + case gb_trees:lookup(Key, G0) of + none -> + Name = list_to_atom(Prefix ++ integer_to_list(Gc0)), + Gc = Gc0 + 1, + G = gb_trees:insert(Key, {Name,GenFun}, G0), + {reply,Name,St#st{gen=G,gc=Gc}}; + {value,{Name,_}} -> + {reply,Name,St} + end; +handle_call({is_used,MFA}, _From, #st{used=Used}=St) -> + {reply,gb_sets:is_member(MFA, Used),St}. + terminate(_, _) -> ok. @@ -98,3 +141,22 @@ update_worklist([H|T], Used, Ws) -> update_worklist(T, Used, Ws) end; update_worklist([], _, Ws) -> Ws. + +do_get_gen([{_,{_,done}}=Keep|T], Gacc, Kacc) -> + do_get_gen(T, Gacc, [Keep|Kacc]); +do_get_gen([{K,{Name,_}=V}|T], Gacc, Kacc) -> + do_get_gen(T, [V|Gacc], [{K,{Name,done}}|Kacc]); +do_get_gen([], Gacc, Kacc) -> + {lists:sort(Gacc),lists:reverse(Kacc)}. + +do_generate(Fd) -> + case req(get_gen) of + [] -> + ok; + [_|_]=Gen -> + _ = [begin + ok = file:write(Fd, "\n"), + GenFun(Fd, Name) + end || {Name,GenFun} <- Gen], + do_generate(Fd) + end. diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl index 9095e145a3..bfaffa13bf 100644 --- a/lib/asn1/src/asn1ct_gen.erl +++ b/lib/asn1/src/asn1ct_gen.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -23,23 +24,27 @@ -export([demit/1, emit/1, + open_output_file/1,close_output_file/0, get_inner/1,type/1,def_to_tag/1,prim_bif/1, list2name/1, list2rname/1, constructed_suffix/2, unify_if_string/1, - gen_check_call/7, get_constraint/2, insert_once/2, ct_gen_module/1, index2suffix/1, - get_record_name_prefix/0]). + get_record_name_prefix/0, + conform_value/2, + named_bitstring_value/2]). -export([pgen/5, mk_var/1, un_hyphen_var/1]). -export([gen_encode_constructed/4, gen_decode_constructed/4]). +-define(SUPPRESSION_FUNC, 'dialyzer-suppressions'). + %% pgen(Outfile, Erules, Module, TypeOrVal, Options) %% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module %% .hrl file is only generated if necessary @@ -68,8 +73,7 @@ pgen_module(OutFile,Erules,Module, HrlGenerated = pgen_hrl(Erules,Module,TypeOrVal,Options,Indent), asn1ct_name:start(), ErlFile = lists:concat([OutFile,".erl"]), - Fid = fopen(ErlFile), - put(gen_file_out,Fid), + _ = open_output_file(ErlFile), asn1ct_func:start_link(), gen_head(Erules,Module,HrlGenerated), pgen_exports(Erules,Module,TypeOrVal), @@ -83,10 +87,18 @@ pgen_module(OutFile,Erules,Module, "%%%",nl, "%%% Run-time functions.",nl, "%%%",nl]), - asn1ct_func:generate(Fid), - file:close(Fid), + dialyzer_suppressions(Erules), + Fd = get(gen_file_out), + asn1ct_func:generate(Fd), + close_output_file(), + _ = erase(outfile), asn1ct:verbose("--~p--~n",[{generated,ErlFile}],Options). +dialyzer_suppressions(Erules) -> + emit([nl, + {asis,?SUPPRESSION_FUNC},"(Arg) ->",nl]), + Rtmod = ct_gen_module(Erules), + Rtmod:dialyzer_suppressions(Erules). pgen_typeorval(Erules,Module,N2nConvEnums,{Types,Values,_Ptypes,_Classes,Objects,ObjectSets}) -> Rtmod = ct_gen_module(Erules), @@ -94,11 +106,6 @@ pgen_typeorval(Erules,Module,N2nConvEnums,{Types,Values,_Ptypes,_Classes,Objects pgen_values(Erules,Module,Values), pgen_objects(Rtmod,Erules,Module,Objects), pgen_objectsets(Rtmod,Erules,Module,ObjectSets), - case catch lists:member(der,get(encoding_options)) of - true -> - pgen_check_defaultval(Erules,Module); - _ -> ok - end, pgen_partial_decode(Rtmod,Erules,Module). pgen_values(_,_,[]) -> @@ -174,23 +181,6 @@ pgen_objectsets(Rtmod,Erules,Module,[H|T]) -> Rtmod:gen_objectset_code(Erules,TypeDef), pgen_objectsets(Rtmod,Erules,Module,T). -pgen_check_defaultval(Erules,Module) -> - CheckObjects = asn1ct_table:to_list(check_functions), - case get(asndebug) of - true -> - FileName = lists:concat([Module,".table"]), - {ok,IoDevice} = file:open(FileName,[write]), - Fun = - fun(X)-> - io:format(IoDevice,"~n~n************~n~n~p~n~n*****" - "********~n~n",[X]) - end, - lists:foreach(Fun,CheckObjects), - file:close(IoDevice); - _ -> ok - end, - gen_check_defaultval(Erules,Module,CheckObjects). - pgen_partial_decode(Rtmod,Erule,Module) when Erule == ber -> pgen_partial_inc_dec(Rtmod,Erule,Module), pgen_partial_dec(Rtmod,Erule,Module); @@ -538,165 +528,35 @@ gen_part_decode_funcs({constructed,bif},TypeName, emit([" 'dec_",TypeName,"'(Data,",{asis,Tag},")"]); gen_part_decode_funcs({primitive,bif},_TypeName, {_Name,undecoded,Tag,Type}) -> - % Argument no 6 is 0, i.e. bit 6 for primitive encoding. - asn1ct_gen_ber_bin_v2:gen_dec_prim(ber_bin_v2,Type,"Data",Tag,[],0,", mandatory, "); + asn1ct_gen_ber_bin_v2:gen_dec_prim(Type, "Data", Tag); gen_part_decode_funcs(WhatKind,_TypeName,{_,Directive,_,_}) -> throw({error,{asn1,{"Not implemented yet",WhatKind," partial incomplete directive:",Directive}}}). - -gen_types(Erules,Tname,{RootL1,ExtList,RootL2}) +%% EncDec = 'gen_encode' | 'gen_decode' +gen_types(Erules, Tname, {RootL1,ExtList,RootL2}, EncDec) when is_list(RootL1), is_list(RootL2) -> - gen_types(Erules,Tname,RootL1), - Rtmod = ct_gen_module(Erules), - gen_types(Erules,Tname,Rtmod:extaddgroup2sequence(ExtList)), - gen_types(Erules,Tname,RootL2); -gen_types(Erules,Tname,{RootList,ExtList}) when is_list(RootList) -> - gen_types(Erules,Tname,RootList), + gen_types(Erules, Tname, RootL1, EncDec), Rtmod = ct_gen_module(Erules), - gen_types(Erules,Tname,Rtmod:extaddgroup2sequence(ExtList)); -gen_types(Erules,Tname,[{'EXTENSIONMARK',_,_}|Rest]) -> - gen_types(Erules,Tname,Rest); -gen_types(Erules,Tname,[ComponentType|Rest]) -> + gen_types(Erules, Tname, Rtmod:extaddgroup2sequence(ExtList), EncDec), + gen_types(Erules, Tname, RootL2, EncDec); +gen_types(Erules, Tname, {RootList,ExtList}, EncDec) when is_list(RootList) -> + gen_types(Erules, Tname, RootList, EncDec), Rtmod = ct_gen_module(Erules), + gen_types(Erules, Tname, Rtmod:extaddgroup2sequence(ExtList), EncDec); +gen_types(Erules, Tname, [{'EXTENSIONMARK',_,_}|T], EncDec) -> + gen_types(Erules, Tname, T, EncDec); +gen_types(Erules, Tname, [ComponentType|T], EncDec) -> asn1ct_name:clear(), - Rtmod:gen_encode(Erules,Tname,ComponentType), - asn1ct_name:clear(), - Rtmod:gen_decode(Erules,Tname,ComponentType), - gen_types(Erules,Tname,Rest); -gen_types(_,_,[]) -> - true; -gen_types(Erules,Tname,Type) when is_record(Type,type) -> Rtmod = ct_gen_module(Erules), - asn1ct_name:clear(), - Rtmod:gen_encode(Erules,Tname,Type), - asn1ct_name:clear(), - Rtmod:gen_decode(Erules,Tname,Type). - -gen_check_defaultval(Erules,Module,[{Name,Type}|Rest]) -> - gen_check_func(Name,Type), - gen_check_defaultval(Erules,Module,Rest); -gen_check_defaultval(_,_,[]) -> - ok. - -gen_check_func(Name,FType = #type{def=Def}) -> - EncName = ensure_atom(Name), - emit({{asis,EncName},"(_V,asn1_DEFAULT) ->",nl," true;",nl}), - emit({{asis,EncName},"(V,V) ->",nl," true;",nl}), - emit({{asis,EncName},"(V,{_,V}) ->",nl," true;",nl}), - case Def of - {'SEQUENCE OF',Type} -> - gen_check_sof(Name,'SEQOF',Type); - {'SET OF',Type} -> - gen_check_sof(Name,'SETOF',Type); - #'SEQUENCE'{components=Components} -> - gen_check_sequence(Name,Components); - #'SET'{components=Components} -> - gen_check_sequence(Name,Components); - {'CHOICE',Components} -> - gen_check_choice(Name,Components); - #'Externaltypereference'{type=T} -> - emit({{asis,EncName},"(DefaultValue,Value) ->",nl}), - emit({" '",list2name([T,check]),"'(DefaultValue,Value).",nl}); - MaybePrim -> - InnerType = get_inner(MaybePrim), - case type(InnerType) of - {primitive,bif} -> - emit({{asis,EncName},"(DefaultValue,Value) ->",nl," "}), - gen_prim_check_call(get_inner(InnerType),"DefaultValue","Value", - FType), - emit({".",nl,nl}); - _ -> - throw({asn1_error,{unknown,type,MaybePrim}}) - end - end. - -gen_check_sof(Name,SOF,Type) -> - EncName = ensure_atom(Name), - NewName = ensure_atom(list2name([sorted,Name])), - emit({{asis,EncName},"(V1,V2) ->",nl}), - emit({" ",{asis,NewName},"(lists:sort(V1),lists:sort(V2)).",nl,nl}), - emit({{asis,NewName},"([],[]) ->",nl," true;",nl}), - emit({{asis,NewName},"([DV|DVs],[V|Vs]) ->",nl," "}), - InnerType = get_inner(Type#type.def), - case type(InnerType) of - {primitive,bif} -> - gen_prim_check_call(get_inner(InnerType),"DV","V",Type), - emit({",",nl}); - {constructed,bif} -> - emit([{asis,ensure_atom(list2name([SOF,Name]))},"(DV, V),",nl]); - #'Externaltypereference'{type=T} -> - emit([{asis,ensure_atom(list2name([T,check]))},"(DV,V),",nl]); - 'ASN1_OPEN_TYPE' -> - emit(["DV = V,",nl]); - _ -> - emit(["DV = V,",nl]) - end, - emit({" ",{asis,NewName},"(DVs,Vs).",nl,nl}). - -gen_check_sequence(Name, []) -> - emit([{asis,ensure_atom(Name)},"(_,_) ->",nl, - " throw(badval).",nl,nl]); -gen_check_sequence(Name,Components) -> - emit([{asis,ensure_atom(Name)},"(DefaultValue,Value) ->",nl]), - gen_check_sequence(Name,Components,1). - -gen_check_sequence(Name,[#'ComponentType'{name=N,typespec=Type}|Cs],Num) -> - InnerType = get_inner(Type#type.def), - NthDefV = ["element(",Num+1,",DefaultValue)"], - NthV = ["element(",Num+1,",Value)"], - gen_check_func_call(Name,Type,InnerType,NthDefV,NthV,N), - case Cs of - [] -> - emit({".",nl,nl}); - _ -> - emit({",",nl}), - gen_check_sequence(Name,Cs,Num+1) - end. - -gen_check_choice(Name,CList=[#'ComponentType'{}|_Cs]) -> - emit([{asis,ensure_atom(Name)},"({Id,DefaultValue},{Id,Value}) ->",nl]), - emit([" case Id of",nl]), - gen_check_choice_components(Name,CList,1). - -gen_check_choice_components(_,[],_)-> + Rtmod:EncDec(Erules, Tname, ComponentType), + gen_types(Erules, Tname, T, EncDec); +gen_types(_, _, [], _) -> ok; -gen_check_choice_components(Name,[#'ComponentType'{name=N,typespec=Type}| - Cs],Num) -> - Ind6 = " ", - InnerType = get_inner(Type#type.def), - emit({Ind6,"'",N,"' ->",nl,Ind6}), - gen_check_func_call(Name,Type,InnerType,{var,"defaultValue"}, - {var,"value"},N), - case Cs of - [] -> - emit({nl," end.",nl,nl}); - _ -> - emit({";",nl}), - gen_check_choice_components(Name,Cs,Num+1) - end. +gen_types(Erules, Tname, #type{}=Type, EncDec) -> + asn1ct_name:clear(), + Rtmod = ct_gen_module(Erules), + Rtmod:EncDec(Erules, Tname, Type). -gen_check_func_call(Name,Type,InnerType,DefVal,Val,N) -> - case type(InnerType) of - {primitive,bif} -> - emit(" "), - gen_prim_check_call(get_inner(InnerType),DefVal,Val,Type); - #'Externaltypereference'{type=T} -> - emit({" ",{asis,ensure_atom(list2name([T,check]))},"(",DefVal,",",Val,")"}); - 'ASN1_OPEN_TYPE' -> - emit([" if",nl, - " ",DefVal," == ",Val," -> true;",nl, - " true -> throw({error,{asn1_open_type}})",nl, - " end",nl]); - {constructed,bif} -> - emit([" ",{asis,ensure_atom(list2name([N,Name]))},"(",DefVal,",",Val,")"]); - _ -> - emit([" if",nl, - " ",DefVal," == ",Val," -> true;",nl, - " true -> throw({error,{asn1_open_type}})",nl, - " end",nl]) - end. - - %% VARIOUS GENERATOR STUFF %% ************************************************* %%************************************************** @@ -736,25 +596,25 @@ gen_encode_constructed(Erules,Typename,InnerType,D) when is_record(D,type) -> 'SET' -> Rtmod:gen_encode_set(Erules,Typename,D), #'SET'{components=Components} = D#type.def, - gen_types(Erules,Typename,Components); + gen_types(Erules, Typename, Components, gen_encode); 'SEQUENCE' -> Rtmod:gen_encode_sequence(Erules,Typename,D), #'SEQUENCE'{components=Components} = D#type.def, - gen_types(Erules,Typename,Components); + gen_types(Erules, Typename, Components, gen_encode); 'CHOICE' -> Rtmod:gen_encode_choice(Erules,Typename,D), {_,Components} = D#type.def, - gen_types(Erules,Typename,Components); + gen_types(Erules, Typename, Components, gen_encode); 'SEQUENCE OF' -> Rtmod:gen_encode_sof(Erules,Typename,InnerType,D), {_,Type} = D#type.def, NameSuffix = asn1ct_gen:constructed_suffix(InnerType,Type#type.def), - gen_types(Erules,[NameSuffix|Typename],Type); + gen_types(Erules, [NameSuffix|Typename], Type, gen_encode); 'SET OF' -> Rtmod:gen_encode_sof(Erules,Typename,InnerType,D), {_,Type} = D#type.def, NameSuffix = asn1ct_gen:constructed_suffix(InnerType,Type#type.def), - gen_types(Erules,[NameSuffix|Typename],Type); + gen_types(Erules, [NameSuffix|Typename], Type, gen_encode); _ -> exit({nyi,InnerType}) end; @@ -767,26 +627,37 @@ gen_decode_constructed(Erules,Typename,InnerType,D) when is_record(D,type) -> asn1ct:step_in_constructed(), %% updates namelist for exclusive decode case InnerType of 'SET' -> - Rtmod:gen_decode_set(Erules,Typename,D); + Rtmod:gen_decode_set(Erules,Typename,D), + #'SET'{components=Components} = D#type.def, + gen_types(Erules, Typename, Components, gen_decode); 'SEQUENCE' -> - Rtmod:gen_decode_sequence(Erules,Typename,D); + Rtmod:gen_decode_sequence(Erules,Typename,D), + #'SEQUENCE'{components=Components} = D#type.def, + gen_types(Erules, Typename, Components, gen_decode); 'CHOICE' -> - Rtmod:gen_decode_choice(Erules,Typename,D); + Rtmod:gen_decode_choice(Erules,Typename,D), + {_,Components} = D#type.def, + gen_types(Erules, Typename, Components, gen_decode); 'SEQUENCE OF' -> - Rtmod:gen_decode_sof(Erules,Typename,InnerType,D); + Rtmod:gen_decode_sof(Erules,Typename,InnerType,D), + {_,#type{def=Def}=Type} = D#type.def, + NameSuffix = asn1ct_gen:constructed_suffix(InnerType, Def), + gen_types(Erules, [NameSuffix|Typename], Type, gen_decode); 'SET OF' -> - Rtmod:gen_decode_sof(Erules,Typename,InnerType,D); - _ -> - exit({nyi,InnerType}) + Rtmod:gen_decode_sof(Erules,Typename,InnerType,D), + {_,#type{def=Def}=Type} = D#type.def, + NameSuffix = asn1ct_gen:constructed_suffix(InnerType, Def), + gen_types(Erules, [NameSuffix|Typename], Type, gen_decode) end; - gen_decode_constructed(Erules,Typename,InnerType,D) when is_record(D,typedef) -> gen_decode_constructed(Erules,Typename,InnerType,D#typedef.typespec). pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) -> - emit(["-export([encoding_rule/0,bit_string_format/0]).",nl]), + emit(["-export([encoding_rule/0,bit_string_format/0,",nl, + " legacy_erlang_types/0]).",nl]), + emit(["-export([",{asis,?SUPPRESSION_FUNC},"/1]).",nl]), case Types of [] -> ok; _ -> @@ -798,7 +669,12 @@ pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) -> gen_exports1(Types,"enc_",1) end, emit({"-export([",nl}), - gen_exports1(Types,"dec_",2) + case Erules of + ber -> + gen_exports1(Types, "dec_", 2); + _ -> + gen_exports1(Types, "dec_", 1) + end end, case [X || {n2n,X} <- get(encoding_options)] of [] -> ok; @@ -819,10 +695,7 @@ pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) -> _ -> case erule(Erules) of per -> - emit({"-export([",nl}), - gen_exports1(Objects,"enc_",3), - emit({"-export([",nl}), - gen_exports1(Objects,"dec_",4); + ok; ber -> emit({"-export([",nl}), gen_exports1(Objects,"enc_",3), @@ -833,10 +706,15 @@ pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) -> case ObjectSets of [] -> ok; _ -> - emit({"-export([",nl}), - gen_exports1(ObjectSets,"getenc_",2), - emit({"-export([",nl}), - gen_exports1(ObjectSets,"getdec_",2) + case erule(Erules) of + per -> + ok; + ber -> + emit({"-export([",nl}), + gen_exports1(ObjectSets, "getenc_",1), + emit({"-export([",nl}), + gen_exports1(ObjectSets, "getdec_",1) + end end, emit({"-export([info/0]).",nl}), gen_partial_inc_decode_exports(), @@ -900,41 +778,45 @@ pgen_dispatcher(Erules,_Module,{[],_Values,_,_,_Objects,_ObjectSets}) -> pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> emit(["-export([encode/2,decode/2]).",nl,nl]), gen_info_functions(Erules), - NoFinalPadding = lists:member(no_final_padding,get(encoding_options)), - {Call,BytesAsBinary} = - case Erules of - per -> - asn1ct_func:need({Erules,complete,1}), - {["complete(encode_disp(Type, Data))"],"Bytes"}; - ber -> - {"encode_disp(Type,Data)","iolist_to_binary(Bytes)"}; - uper when NoFinalPadding == true -> - asn1ct_func:need({Erules,complete_NFP,1}), - {"complete_NFP(encode_disp(Type, Data))","Bytes"}; - uper -> - asn1ct_func:need({Erules,complete,1}), - {["complete(encode_disp(Type, Data))"],"Bytes"} - end, - emit(["encode(Type,Data) ->",nl, - "case catch ",Call," of",nl, - " {'EXIT',{error,Reason}} ->",nl, - " {error,Reason};",nl, - " {'EXIT',Reason} ->",nl, - " {error,{asn1,Reason}};",nl, - " {Bytes,_Len} ->",nl, - " {ok,",BytesAsBinary,"};",nl, - " Bytes ->",nl, - " {ok,",BytesAsBinary,"}",nl, - "end.",nl,nl]), - - Return_rest = lists:member(undec_rest,get(encoding_options)), + + Options = get(encoding_options), + NoFinalPadding = lists:member(no_final_padding, Options), + NoOkWrapper = proplists:get_bool(no_ok_wrapper, Options), + + Call = case Erules of + per -> + asn1ct_func:need({Erules,complete,1}), + "complete(encode_disp(Type, Data))"; + ber -> + "iolist_to_binary(element(1, encode_disp(Type, Data)))"; + uper when NoFinalPadding == true -> + asn1ct_func:need({Erules,complete_NFP,1}), + "complete_NFP(encode_disp(Type, Data))"; + uper -> + asn1ct_func:need({Erules,complete,1}), + "complete(encode_disp(Type, Data))" + end, + + emit(["encode(Type, Data) ->",nl]), + case NoOkWrapper of + true -> + emit([" ",Call,"."]); + false -> + emit(["try ",Call," of",nl, + " Bytes ->",nl, + " {ok,Bytes}",nl, + try_catch()]) + end, + emit([nl,nl]), + + Return_rest = proplists:get_bool(undec_rest, Options), Data = case {Erules,Return_rest} of {ber,true} -> "Data0"; _ -> "Data" end, emit(["decode(Type,",Data,") ->",nl]), - DecAnonymous = + DecWrap = case {Erules,Return_rest} of {ber,false} -> asn1ct_func:need({ber,ber_decode_nif,1}), @@ -946,49 +828,26 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> _ -> "Data" end, - DecWrap = case Erules of - ber -> - DecAnonymous; - _ -> "Data" - end, - - emit(["case catch decode_disp(Type,",DecWrap,") of",nl, - " {'EXIT',{error,Reason}} ->",nl, - " {error,Reason};",nl, - " {'EXIT',Reason} ->",nl, - " {error,{asn1,Reason}};",nl]), - case {Erules,Return_rest} of - {ber,false} -> - emit([" Result ->",nl, - " {ok,Result}",nl]); - {ber,true} -> - emit([" Result ->",nl, - " {ok,Result,Rest}",nl]); - {_,false} -> - emit([" {X,_Rest} ->",nl, - " {ok,X};",nl, - " {X,_Rest,_Len} ->",nl, - " {ok,X}",nl]); - {per,true} -> - emit([" {X,{_,Rest}} ->",nl, - " {ok,X,Rest};",nl, - " {X,{_,Rest},_Len} ->",nl, - " {ok,X,Rest};",nl, - " {X,Rest} ->",nl, - " {ok,X,Rest};",nl, - " {X,Rest,_Len} ->",nl, - " {ok,X,Rest}",nl]); - {uper,true} -> - emit([" {X,{_,Rest}} ->",nl, - " {ok,X,Rest};",nl, - " {X,{_,Rest},_Len} ->",nl, - " {ok,X,Rest};",nl, - " {X,Rest} ->",nl, - " {ok,X,Rest};",nl, - " {X,Rest,_Len} ->",nl, - " {ok,X,Rest}",nl]) + emit([case NoOkWrapper of + false -> "try"; + true -> "case" + end, " decode_disp(Type, ",DecWrap,") of",nl]), + case erule(Erules) of + ber -> + emit([" Result ->",nl]); + per -> + emit([" {Result,Rest} ->",nl]) + end, + case Return_rest of + false -> result_line(NoOkWrapper, ["Result"]); + true -> result_line(NoOkWrapper, ["Result","Rest"]) + end, + case NoOkWrapper of + false -> + emit([nl,try_catch(),nl,nl]); + true -> + emit([nl,"end.",nl,nl]) end, - emit(["end.",nl,nl]), gen_decode_partial_incomplete(Erules), @@ -999,16 +858,40 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> gen_partial_inc_dispatcher(); _PerOrPer_bin -> gen_dispatcher(Types,"encode_disp","enc_",""), - gen_dispatcher(Types,"decode_disp","dec_",",mandatory") + gen_dispatcher(Types,"decode_disp","dec_","") end, - emit([nl]), - emit({nl,nl}). + emit([nl,nl]). + +result_line(NoOkWrapper, Items) -> + S = [" "|case NoOkWrapper of + false -> result_line_1(["ok"|Items]); + true -> result_line_1(Items) + end], + emit(lists:flatten(S)). + +result_line_1([SingleItem]) -> + SingleItem; +result_line_1(Items) -> + ["{",string:join(Items, ","),"}"]. + +try_catch() -> + [" catch",nl, + " Class:Exception when Class =:= error; Class =:= exit ->",nl, + " case Exception of",nl, + " {error,Reason}=Error ->",nl, + " Error;",nl, + " Reason ->",nl, + " {error,{asn1,Reason}}",nl, + " end",nl, + "end."]. gen_info_functions(Erules) -> emit(["encoding_rule() -> ", {asis,Erules},".",nl,nl, "bit_string_format() -> ", - {asis,asn1ct:get_bit_string_format()},".",nl,nl]). + {asis,asn1ct:get_bit_string_format()},".",nl,nl, + "legacy_erlang_types() -> ", + {asis,asn1ct:use_legacy_types()},".",nl,nl]). gen_decode_partial_incomplete(ber) -> case {asn1ct:read_config_data(partial_incomplete_decode), @@ -1060,9 +943,10 @@ gen_partial_inc_dispatcher() -> ok; {Data1,Data2} -> % io:format("partial_incomplete_decode: ~p~ninc_type_pattern: ~p~n",[Data,Data2]), - gen_partial_inc_dispatcher(Data1,Data2) + gen_partial_inc_dispatcher(Data1, Data2, "") end. -gen_partial_inc_dispatcher([{FuncName,TopType,_Pattern}|Rest],TypePattern) -> + +gen_partial_inc_dispatcher([{FuncName,TopType,_Pattern}|Rest], TypePattern, Sep) -> TPattern = case lists:keysearch(FuncName,1,TypePattern) of {value,{_,TP}} -> TP; @@ -1076,13 +960,13 @@ gen_partial_inc_dispatcher([{FuncName,TopType,_Pattern}|Rest],TypePattern) -> _ -> atom_to_list(TopType) end, - emit(["decode_partial_inc_disp('",TopTypeName,"',Data) ->",nl, + emit([Sep, + "decode_partial_inc_disp('",TopTypeName,"',Data) ->",nl, " ",{asis,list_to_atom(lists:concat(["dec-inc-",FuncName2]))}, - "(Data);",nl]), - gen_partial_inc_dispatcher(Rest,TypePattern); -gen_partial_inc_dispatcher([],_) -> - emit(["decode_partial_inc_disp(Type,_Data) ->",nl, - " exit({error,{asn1,{undefined_type,Type}}}).",nl]). + "(Data)"]), + gen_partial_inc_dispatcher(Rest, TypePattern, ";\n"); +gen_partial_inc_dispatcher([], _, _) -> + emit([".",nl]). gen_dispatcher([F1,F2|T],FuncName,Prefix,ExtraArg) -> emit([FuncName,"('",F1,"',Data) -> '",Prefix,F1,"'(Data",ExtraArg,")",";",nl]), @@ -1107,9 +991,23 @@ pgen_info() -> open_hrl(OutFile,Module) -> File = lists:concat([OutFile,".hrl"]), - Fid = fopen(File), - put(gen_file_out,Fid), - gen_hrlhead(Module). + _ = open_output_file(File), + gen_hrlhead(Module), + Protector = hrl_protector(OutFile), + emit(["-ifndef(",Protector,").\n", + "-define(",Protector,", true).\n" + "\n"]). + +hrl_protector(OutFile) -> + BaseName = filename:basename(OutFile), + P = "_" ++ string:to_upper(BaseName) ++ "_HRL_", + [if + $A =< C, C =< $Z -> C; + $a =< C, C =< $a -> C; + $0 =< C, C =< $9 -> C; + true -> $_ + end || C <- P]. + %% EMIT functions ************************ %% *************************************** @@ -1181,15 +1079,19 @@ call_args([A|As], Sep) -> [Sep,do_emit(A)|call_args(As, ", ")]; call_args([], _) -> []. -fopen(F) -> +open_output_file(F) -> case file:open(F, [write,raw,delayed_write]) of - {ok, Fd} -> + {ok,Fd} -> + put(gen_file_out, Fd), Fd; {error, Reason} -> io:format("** Can't open file ~p ~n", [F]), exit({error,Reason}) end. +close_output_file() -> + ok = file:close(erase(gen_file_out)). + pgen_hrl(Erules,Module,TypeOrVal,Options,_Indent) -> put(currmod,Module), {Types,Values,Ptypes,_,_,_} = TypeOrVal, @@ -1212,8 +1114,9 @@ pgen_hrl(Erules,Module,TypeOrVal,Options,_Indent) -> 0 -> 0; Y -> - Fid = get(gen_file_out), - file:close(Fid), + Protector = hrl_protector(get(outfile)), + emit(["-endif. %% ",Protector,"\n"]), + close_output_file(), asn1ct:verbose("--~p--~n", [{generated,lists:concat([get(outfile),".hrl"])}], Options), @@ -1331,15 +1234,23 @@ gen_record(TorPtype,Name,Type,Num) when is_record(Type,type) -> emit({"}).",nl,nl}), Tr ++ ExtensionList2; {Rootl1,Extl,Rootl2} -> + case Rootl1 =/= [] andalso Extl++Rootl2 =/= [] of + true -> emit([com]); + false -> ok + end, case Rootl1 of - [] -> true; - _ -> emit([",",nl]) + [_|_] -> emit([nl]); + [] -> ok end, emit(["%% with extensions",nl]), gen_record2(Name,'SEQUENCE',Extl,"",ext), + case Extl =/= [] andalso Rootl2 =/= [] of + true -> emit([com]); + false -> ok + end, case Extl of - [_H|_] when Rootl2 /= [] -> emit([",",nl]); - _ -> ok + [_|_] -> emit([nl]); + [] -> ok end, emit(["%% end of extensions",nl]), gen_record2(Name,'SEQUENCE',Rootl2,"",noext), @@ -1378,6 +1289,7 @@ gen_head(Erules,Mod,Hrl) -> emit({"-module('",Mod,"').",nl}), put(currmod,Mod), emit({"-compile(nowarn_unused_vars).",nl}), + emit({"-dialyzer(no_improper_lists).",nl}), case Hrl of 0 -> ok; _ -> emit({"-include(\"",Mod,".hrl\").",nl}) @@ -1429,165 +1341,6 @@ to_textual_order(Cs=[#'ComponentType'{textual_order=undefined}|_]) -> to_textual_order(Cs) when is_list(Cs) -> lists:keysort(#'ComponentType'.textual_order,Cs). - -gen_check_call(TopType,Cname,Type,InnerType,WhatKind,DefaultValue,Element) -> - case WhatKind of - {primitive,bif} -> - gen_prim_check_call(InnerType,DefaultValue,Element,Type); - #'Externaltypereference'{module=M,type=T} -> - %% generate function call - Name = list2name([T,check]), - emit({"'",Name,"'(",DefaultValue,", ",Element,")"}), - %% insert in ets table and do look ahead check - Typedef = asn1_db:dbget(M,T), - RefType = Typedef#typedef.typespec, - InType = asn1ct_gen:get_inner(RefType#type.def), - case insert_once(check_functions,{Name,RefType}) of - true -> - lookahead_innertype([T],InType,RefType); - _ -> - ok - end; - {constructed,bif} -> - NameList = [Cname|TopType], - Name = list2name(NameList ++ [check]), - emit({"'",Name,"'(",DefaultValue,", ",Element,")"}), - asn1ct_table:insert(check_functions, {Name, Type}), - %% Must look for check functions in InnerType, - %% that may be referenced or internal defined - %% constructed types not used elsewhere. - lookahead_innertype(NameList,InnerType,Type); - _ -> - %% Generate Dummy function call i.e. anything is accepted - emit(["fun() -> true end ()"]) - end. - -gen_prim_check_call(PrimType, Default, Element, Type) -> - case unify_if_string(PrimType) of - 'BOOLEAN' -> - check_call(check_bool, [Default,Element]); - 'INTEGER' -> - NNL = case Type#type.def of - {_,NamedNumberList} -> NamedNumberList; - _ -> [] - end, - check_call(check_int, [Default,Element,{asis,NNL}]); - 'BIT STRING' -> - {_,NBL} = Type#type.def, - check_call(check_bitstring, [Default,Element,{asis,NBL}]); - 'OCTET STRING' -> - check_call(check_octetstring, [Default,Element]); - 'NULL' -> - check_call(check_null, [Default,Element]); - 'OBJECT IDENTIFIER' -> - check_call(check_objectidentifier, [Default,Element]); - 'RELATIVE-OID' -> - check_call(check_objectidentifier, [Default,Element]); - 'ObjectDescriptor' -> - check_call(check_objectdescriptor, [Default,Element]); - 'REAL' -> - check_call(check_real, [Default,Element]); - 'ENUMERATED' -> - {_,Enumerations} = Type#type.def, - check_call(check_enum, [Default,Element,{asis,Enumerations}]); - restrictedstring -> - check_call(check_restrictedstring, [Default,Element]) - end. - -check_call(F, Args) -> - asn1ct_func:call(check, F, Args). - -%% lokahead_innertype/3 traverses Type and checks if check functions -%% have to be generated, i.e. for all constructed or referenced types. -lookahead_innertype(Name,'SEQUENCE',Type) -> - Components = (Type#type.def)#'SEQUENCE'.components, - lookahead_components(Name,Components); -lookahead_innertype(Name,'SET',Type) -> - Components = (Type#type.def)#'SET'.components, - lookahead_components(Name,Components); -lookahead_innertype(Name,'CHOICE',Type) -> - {_,Components} = Type#type.def, - lookahead_components(Name,Components); -lookahead_innertype(Name,'SEQUENCE OF',SeqOf) -> - lookahead_sof(Name,'SEQOF',SeqOf); -lookahead_innertype(Name,'SET OF',SeqOf) -> - lookahead_sof(Name,'SETOF',SeqOf); -lookahead_innertype(_Name,#'Externaltypereference'{module=M,type=T},_) -> - Typedef = asn1_db:dbget(M,T), - RefType = Typedef#typedef.typespec, - insert_once(check_functions,{list2name([T,check]),RefType}), - InType = asn1ct_gen:get_inner(RefType#type.def), - case type(InType) of - {constructed,bif} -> - lookahead_innertype([T],InType,RefType); - Ref = #'Externaltypereference'{} -> - lookahead_reference(Ref); - _ -> - ok - end; -lookahead_innertype(_,_,_) -> - ok. - -lookahead_components(_,[]) -> ok; -lookahead_components(Name,[C|Cs]) -> - #'ComponentType'{name=Cname,typespec=Type} = C, - InType = asn1ct_gen:get_inner(Type#type.def), - case asn1ct_gen:type(InType) of - {constructed,bif} -> - case insert_once(check_functions, - {list2name([Cname|Name] ++ [check]),Type}) of - true -> - lookahead_innertype([Cname|Name],InType,Type); - _ -> - ok - end; - #'Externaltypereference'{module=RefMod,type=RefName} -> - Typedef = asn1_db:dbget(RefMod,RefName), - RefType = Typedef#typedef.typespec, - case insert_once(check_functions,{list2name([RefName,check]), - RefType}) of - true -> - lookahead_innertype([RefName],InType,RefType); - _ -> - ok - end; - _ -> - ok - end, - lookahead_components(Name,Cs). - -lookahead_sof(Name,SOF,SOFType) -> - Type = case SOFType#type.def of - {_,_Type} -> _Type; - _Type -> _Type - end, - InnerType = asn1ct_gen:get_inner(Type#type.def), - case asn1ct_gen:type(InnerType) of - {constructed,bif} -> - %% this is if a constructed type is defined in - %% the SEQUENCE OF type - NameList = [SOF|Name], - insert_once(check_functions, - {list2name(NameList ++ [check]),Type}), - lookahead_innertype(NameList,InnerType,Type); - Ref = #'Externaltypereference'{} -> - lookahead_reference(Ref); - _ -> - ok - end. - -lookahead_reference(#'Externaltypereference'{module=M,type=T}) -> - Typedef = asn1_db:dbget(M,T), - RefType = Typedef#typedef.typespec, - InType = get_inner(RefType#type.def), - case insert_once(check_functions, - {list2name([T,check]),RefType}) of - true -> - lookahead_innertype([T],InType,RefType); - _ -> - ok - end. - insert_once(Table,Object) -> case asn1ct_table:lookup(Table, element(1, Object)) of [] -> @@ -1628,9 +1381,38 @@ unify_if_string(PrimType) -> Other -> Other end. +conform_value(#type{def={'BIT STRING',[]}}, Bs) -> + case asn1ct:get_bit_string_format() of + compact when is_binary(Bs) -> + {0,Bs}; + compact when is_bitstring(Bs) -> + Sz = bit_size(Bs), + Unused = 8 - bit_size(Bs), + {Unused,<<Bs:Sz/bits,0:Unused>>}; + legacy -> + [B || <<B:1>> <= Bs]; + bitstring when is_bitstring(Bs) -> + Bs + end; +conform_value(#type{def='OCTET STRING'}, String) -> + case asn1ct:use_legacy_types() of + false -> String; + true -> binary_to_list(String) + end; +conform_value(_, Value) -> Value. + +named_bitstring_value(List, Names) -> + Int = lists:foldl(fun(N, A) -> + {N,Pos} = lists:keyfind(N, 1, Names), + A bor (1 bsl Pos) + end, 0, List), + named_bitstring_value_1(<<>>, Int). - - +named_bitstring_value_1(Bs, 0) -> + Bs; +named_bitstring_value_1(Bs, Int) -> + B = Int band 1, + named_bitstring_value_1(<<Bs/bitstring,B:1>>, Int bsr 1). get_inner(A) when is_atom(A) -> A; get_inner(Ext) when is_record(Ext,'Externaltypereference') -> Ext; @@ -1835,11 +1617,6 @@ get_constraint(C,Key) -> {value,Cnstr} -> Cnstr end. - -ensure_atom(Atom) when is_atom(Atom) -> - Atom; -ensure_atom(List) when is_list(List) -> - list_to_atom(List). get_record_name_prefix() -> case lists:keysearch(record_name_prefix,1,get(encoding_options)) of diff --git a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl index 8ab49aec2c..b884d14b0d 100644 --- a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl +++ b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2013. All Rights Reserved. +%% Copyright Ericsson AB 2002-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -24,14 +25,15 @@ -include("asn1_records.hrl"). --export([decode_class/1, decode_type/1]). +-export([decode_class/1]). -export([gen_encode/2,gen_encode/3,gen_decode/2,gen_decode/3]). -export([gen_encode_prim/4]). --export([gen_dec_prim/7]). +-export([gen_dec_prim/3]). -export([gen_objectset_code/2, gen_obj_code/3]). -export([encode_tag_val/3]). -export([gen_inc_decode/2,gen_decode_selected/3]). -export([extaddgroup2sequence/1]). +-export([dialyzer_suppressions/1]). -import(asn1ct_gen, [emit/1,demit/1]). @@ -65,6 +67,23 @@ %%=============================================================================== %%=============================================================================== +dialyzer_suppressions(_) -> + case asn1ct:use_legacy_types() of + false -> ok; + true -> suppress({ber,encode_bit_string,4}) + end, + suppress({ber,decode_selective,2}), + emit([" ok.",nl]). + +suppress({M,F,A}=MFA) -> + case asn1ct_func:is_used(MFA) of + false -> + ok; + true -> + Args = [lists:concat(["element(",I,", Arg)"]) || I <- lists:seq(1, A)], + emit([" ",{call,M,F,Args},com,nl]) + end. + %%=============================================================================== %% encode #{typedef, {pos, name, typespec}} %%=============================================================================== @@ -163,6 +182,12 @@ gen_encode_user(Erules, #typedef{}=D, Wrapper) -> gen_encode_prim(_Erules, #type{}=D, DoTag, Value) -> BitStringConstraint = get_size_constraint(D#type.constraint), + MaxBitStrSize = case BitStringConstraint of + [] -> none; + {_,'MAX'} -> none; + {_,Max} -> Max; + Max when is_integer(Max) -> Max + end, asn1ct_name:new(enumval), Type = case D#type.def of 'OCTET STRING' -> restricted_string; @@ -196,12 +221,42 @@ gen_encode_prim(_Erules, #type{}=D, DoTag, Value) -> emit(["case ",Value," of",nl]), emit_enc_enumerated_cases(NamedNumberList,DoTag); 'REAL' -> - emit([{call,ber,encode_tags, - [DoTag,{call,real_common,ber_encode_real,[Value]}]}]); + asn1ct_name:new(realval), + asn1ct_name:new(realsize), + emit(["begin",nl, + {curr,realval}," = ", + {call,real_common,ber_encode_real,[Value]},com,nl, + {curr,realsize}," = ", + {call,erlang,byte_size,[{curr,realval}]},com,nl, + {call,ber,encode_tags, + [DoTag,{curr,realval},{curr,realsize}]},nl, + "end"]); + {'BIT STRING',[]} -> + case asn1ct:use_legacy_types() of + false when MaxBitStrSize =:= none -> + call(encode_unnamed_bit_string, [Value,DoTag]); + false -> + call(encode_unnamed_bit_string, + [{asis,MaxBitStrSize},Value,DoTag]); + true -> + call(encode_bit_string, + [{asis,BitStringConstraint},Value, + {asis,[]},DoTag]) + end; {'BIT STRING',NamedNumberList} -> - call(encode_bit_string, - [{asis,BitStringConstraint},Value, - {asis,NamedNumberList},DoTag]); + case asn1ct:use_legacy_types() of + false when MaxBitStrSize =:= none -> + call(encode_named_bit_string, + [Value,{asis,NamedNumberList},DoTag]); + false -> + call(encode_named_bit_string, + [{asis,MaxBitStrSize},Value, + {asis,NamedNumberList},DoTag]); + true -> + call(encode_bit_string, + [{asis,BitStringConstraint},Value, + {asis,NamedNumberList},DoTag]) + end; 'NULL' -> call(encode_null, [Value,DoTag]); 'OBJECT IDENTIFIER' -> @@ -224,14 +279,34 @@ emit_enc_enumerated_cases(L, Tags) -> emit_enc_enumerated_cases(L, Tags, noext). emit_enc_enumerated_cases([{EnumName,EnumVal}|T], Tags, Ext) -> + {Bytes,Len} = encode_integer(EnumVal), emit([{asis,EnumName}," -> ", - {call,ber,encode_enumerated,[EnumVal,Tags]},";",nl]), + {call,ber,encode_tags,[Tags,{asis,Bytes},Len]},";",nl]), emit_enc_enumerated_cases(T, Tags, Ext); emit_enc_enumerated_cases([], _Tags, _Ext) -> %% FIXME: Should extension be handled? emit([{curr,enumval}," -> exit({error,{asn1, {enumerated_not_in_range,",{curr, enumval},"}}})"]), emit([nl,"end"]). +encode_integer(Val) -> + Bytes = + if + Val >= 0 -> + encode_integer_pos(Val, []); + true -> + encode_integer_neg(Val, []) + end, + {Bytes,length(Bytes)}. + +encode_integer_pos(0, [B|_Acc]=L) when B < 128 -> + L; +encode_integer_pos(N, Acc) -> + encode_integer_pos((N bsr 8), [N band 16#ff| Acc]). + +encode_integer_neg(-1, [B1|_T]=L) when B1 > 127 -> + L; +encode_integer_neg(N, Acc) -> + encode_integer_neg(N bsr 8, [N band 16#ff|Acc]). %%=============================================================================== %%=============================================================================== @@ -309,15 +384,11 @@ gen_decode_selected_type(_Erules,TypeDef) -> case asn1ct_gen:type(InnerType) of 'ASN1_OPEN_TYPE' -> asn1ct_name:new(len), - gen_dec_prim(ber, Def#type{def='ASN1_OPEN_TYPE'}, - BytesVar,Tag, [] , - ?PRIMITIVE,"OptOrMand"); -% emit({";",nl}); + gen_dec_prim(Def#type{def='ASN1_OPEN_TYPE'}, + BytesVar, Tag); {primitive,bif} -> asn1ct_name:new(len), - gen_dec_prim(ber, Def, BytesVar,Tag,[] , - ?PRIMITIVE,"OptOrMand"); -% emit([";",nl]); + gen_dec_prim(Def, BytesVar, Tag); {constructed,bif} -> TopType = case TypeDef#typedef.name of A when is_atom(A) -> [A]; @@ -431,14 +502,12 @@ gen_decode_user(Erules,D) when is_record(D,typedef) -> case asn1ct_gen:type(InnerType) of 'ASN1_OPEN_TYPE' -> asn1ct_name:new(len), - gen_dec_prim(ber, Def#type{def='ASN1_OPEN_TYPE'}, - BytesVar,{string,"TagIn"}, [] , - ?PRIMITIVE,"OptOrMand"), + gen_dec_prim(Def#type{def='ASN1_OPEN_TYPE'}, + BytesVar, {string,"TagIn"}), emit({".",nl,nl}); {primitive,bif} -> asn1ct_name:new(len), - gen_dec_prim(ber, Def, BytesVar,{string,"TagIn"},[] , - ?PRIMITIVE,"OptOrMand"), + gen_dec_prim(Def, BytesVar, {string,"TagIn"}), emit([".",nl,nl]); {constructed,bif} -> asn1ct:update_namelist(D#typedef.name), @@ -451,19 +520,11 @@ gen_decode_user(Erules,D) when is_record(D,typedef) -> end. -gen_dec_prim(_Erules, Att, BytesVar, DoTag, _TagIn, _Form, _OptOrMand) -> +gen_dec_prim(Att, BytesVar, DoTag) -> Typename = Att#type.def, -%% Currently not used for BER replaced with [] as place holder -%% Constraint = Att#type.constraint, -%% Constraint = [], Constraint = get_size_constraint(Att#type.constraint), IntConstr = int_constr(Att#type.constraint), - AsBin = case get(binary_strings) of - true -> "_as_bin"; - _ -> "" - end, NewTypeName = case Typename of - 'OCTET STRING' -> restricted_string; 'NumericString' -> restricted_string; 'TeletexString' -> restricted_string; 'T61String' -> restricted_string; @@ -476,85 +537,40 @@ gen_dec_prim(_Erules, Att, BytesVar, DoTag, _TagIn, _Form, _OptOrMand) -> 'ObjectDescriptor'-> restricted_string; 'UTCTime' -> restricted_string; 'GeneralizedTime' -> restricted_string; + 'OCTET STRING' -> + case asn1ct:use_legacy_types() of + true -> restricted_string; + false -> Typename + end; _ -> Typename end, - case NewTypeName of - 'BOOLEAN'-> - emit(["decode_boolean(",BytesVar,","]), - need(decode_boolean, 2); - 'INTEGER' -> - case IntConstr of - [] -> - emit(["decode_integer(",BytesVar,","]), - need(decode_integer, 2); - {_,_} -> - emit(["decode_integer(",BytesVar,",", - {asis,IntConstr},","]), - need(decode_integer, 3) - end; - {'INTEGER',NamedNumberList} -> - case IntConstr of - [] -> - emit(["decode_named_integer(",BytesVar,",", - {asis,NamedNumberList},","]), - need(decode_named_integer, 3); - {_,_} -> - emit(["decode_named_integer(",BytesVar,",", - {asis,IntConstr},",", - {asis,NamedNumberList},","]), - need(decode_named_integer, 4) - end; - {'ENUMERATED',NamedNumberList} -> - emit(["decode_enumerated(",BytesVar,",", - {asis,NamedNumberList},","]), - need(decode_enumerated, 3); - 'REAL' -> - ok; - {'BIT STRING',_NamedNumberList} -> - ok; - 'NULL' -> - emit(["decode_null(",BytesVar,","]), - need(decode_null, 2); - 'OBJECT IDENTIFIER' -> - emit(["decode_object_identifier(",BytesVar,","]), - need(decode_object_identifier, 2); - 'RELATIVE-OID' -> - emit(["decode_relative_oid(",BytesVar,","]), - need(decode_relative_oid, 2); - restricted_string -> - emit(["decode_restricted_string",AsBin,"(",BytesVar,","]), - case Constraint of - [] -> - need(decode_restricted_string, 2); - _ -> - emit([{asis,Constraint},","]), - need(decode_restricted_string, 3) - end; - 'UniversalString' -> - emit(["decode_universal_string",AsBin,"(", - BytesVar,",",{asis,Constraint},","]), - need(decode_universal_string, 3); - 'UTF8String' -> - emit(["decode_UTF8_string",AsBin,"(", - BytesVar,","]), - need(decode_UTF8_string, 2); - 'BMPString' -> - emit(["decode_BMP_string",AsBin,"(", - BytesVar,",",{asis,Constraint},","]), - need(decode_BMP_string, 3); - 'ASN1_OPEN_TYPE' -> - emit(["decode_open_type_as_binary(", - BytesVar,","]), - need(decode_open_type_as_binary, 2) - end, - TagStr = case DoTag of {string,Tag1} -> Tag1; _ when is_list(DoTag) -> {asis,DoTag} end, case NewTypeName of - {'BIT STRING',NNL} -> - gen_dec_bit_string(BytesVar, Constraint, NNL, TagStr); + 'BOOLEAN'-> + call(decode_boolean, [BytesVar,TagStr]); + 'INTEGER' -> + check_constraint(decode_integer, [BytesVar,TagStr], + IntConstr, + identity, + identity); + {'INTEGER',NNL} -> + check_constraint(decode_integer, + [BytesVar,TagStr], + IntConstr, + identity, + fun(Val) -> + asn1ct_name:new(val), + emit([{curr,val}," = "]), + Val(), + emit([com,nl, + {call,ber,number2name, + [{curr,val},{asis,NNL}]}]) + end); + {'ENUMERATED',NNL} -> + gen_dec_enumerated(BytesVar, NNL, TagStr); 'REAL' -> asn1ct_name:new(tmpbuf), emit(["begin",nl, @@ -562,8 +578,36 @@ gen_dec_prim(_Erules, Att, BytesVar, DoTag, _TagIn, _Form, _OptOrMand) -> {call,ber,match_tags,[BytesVar,TagStr]},com,nl, {call,real_common,decode_real,[{curr,tmpbuf}]},nl, "end",nl]); - _ -> - emit([TagStr,")"]) + {'BIT STRING',NNL} -> + gen_dec_bit_string(BytesVar, Constraint, NNL, TagStr); + 'NULL' -> + call(decode_null, [BytesVar,TagStr]); + 'OBJECT IDENTIFIER' -> + call(decode_object_identifier, [BytesVar,TagStr]); + 'RELATIVE-OID' -> + call(decode_relative_oid, [BytesVar,TagStr]); + 'OCTET STRING' -> + check_constraint(decode_octet_string, [BytesVar,TagStr], + Constraint, {erlang,byte_size}, identity); + restricted_string -> + check_constraint(decode_restricted_string, [BytesVar,TagStr], + Constraint, + {erlang,byte_size}, + fun(Val) -> + emit("binary_to_list("), + Val(), + emit(")") + end); + 'UniversalString' -> + check_constraint(decode_universal_string, [BytesVar,TagStr], + Constraint, {erlang,length}, identity); + 'UTF8String' -> + call(decode_UTF8_string, [BytesVar,TagStr]); + 'BMPString' -> + check_constraint(decode_BMP_string, [BytesVar,TagStr], + Constraint, {erlang,length}, identity); + 'ASN1_OPEN_TYPE' -> + call(decode_open_type_as_binary, [BytesVar,TagStr]) end. %% Simplify an integer constraint so that we can efficiently test it. @@ -579,7 +623,7 @@ int_constr(C) -> [{'ValueRange',{_,_}=Range}] -> Range; [{'SingleValue',Sv}] -> - {Sv,Sv}; + Sv; [] -> [] end. @@ -590,16 +634,108 @@ gen_dec_bit_string(BytesVar, _Constraint, [_|_]=NNL, TagStr) -> gen_dec_bit_string(BytesVar, Constraint, [], TagStr) -> case asn1ct:get_bit_string_format() of compact -> - call(decode_compact_bit_string, - [BytesVar,{asis,Constraint},TagStr]); + check_constraint(decode_compact_bit_string, + [BytesVar,TagStr], + Constraint, + {ber,compact_bit_string_size}, + identity); legacy -> - call(decode_legacy_bit_string, - [BytesVar,{asis,Constraint},TagStr]); + check_constraint(decode_native_bit_string, + [BytesVar,TagStr], + Constraint, + {erlang,bit_size}, + fun(Val) -> + asn1ct_name:new(val), + emit([{curr,val}," = "]), + Val(), + emit([com,nl, + {call,ber,native_to_legacy_bit_string, + [{curr,val}]}]) + end); bitstring -> - call(decode_native_bit_string, - [BytesVar,{asis,Constraint},TagStr]) + check_constraint(decode_native_bit_string, + [BytesVar,TagStr], + Constraint, + {erlang,bit_size}, + identity) + end. + +check_constraint(F, Args, Constr, PreConstr0, ReturnVal0) -> + PreConstr = case PreConstr0 of + identity -> + fun(V) -> V end; + {Mod,Name} -> + fun(V) -> + asn1ct_name:new(c), + emit([{curr,c}," = ", + {call,Mod,Name,[V]},com,nl]), + {curr,c} + end + end, + ReturnVal = case ReturnVal0 of + identity -> fun(Val) -> Val() end; + _ -> ReturnVal0 + end, + case Constr of + [] when ReturnVal0 =:= identity -> + %% No constraint, no complications. + call(F, Args); + [] -> + %% No constraint, but the return value could consist + %% of more than one statement. + emit(["begin",nl]), + ReturnVal(fun() -> call(F, Args) end), + emit([nl, + "end",nl]); + _ -> + %% There is a constraint. + asn1ct_name:new(val), + emit(["begin",nl, + {curr,val}," = ",{call,ber,F,Args},com,nl]), + PreVal0 = asn1ct_gen:mk_var(asn1ct_name:curr(val)), + PreVal = PreConstr(PreVal0), + emit("if "), + case Constr of + {Min,Max} -> + emit([{asis,Min}," =< ",PreVal,", ", + PreVal," =< ",{asis,Max}]); + Sv when is_integer(Sv) -> + emit([PreVal," =:= ",{asis,Sv}]) + end, + emit([" ->",nl]), + ReturnVal(fun() -> emit(PreVal0) end), + emit([";",nl, + "true ->",nl, + "exit({error,{asn1,bad_range}})",nl, + "end",nl, + "end"]) end. +gen_dec_enumerated(BytesVar, NNL0, TagStr) -> + asn1ct_name:new(enum), + emit(["case ", + {call,ber,decode_integer,[BytesVar,TagStr]}, + " of",nl]), + NNL = case NNL0 of + {L1,L2} -> + L1 ++ L2 ++ [accept]; + [_|_] -> + NNL0 ++ [error] + end, + gen_dec_enumerated_1(NNL), + emit("end"). + +gen_dec_enumerated_1([accept]) -> + asn1ct_name:new(default), + emit([{curr,default}," -> {asn1_enum,",{curr,default},"}",nl]); +gen_dec_enumerated_1([error]) -> + asn1ct_name:new(default), + emit([{curr,default}," -> exit({error,{asn1,{illegal_enumerated,", + {curr,default},"}}})",nl]); +gen_dec_enumerated_1([{V,K}|T]) -> + emit([{asis,K}," -> ",{asis,V},";",nl]), + gen_dec_enumerated_1(T). + %% Object code generating for encoding and decoding %% ------------------------------------------------ @@ -637,9 +773,6 @@ gen_encode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest], % ", Val, RestPrimFieldName) ->",nl]), MaybeConstr= case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> %% this case is illegal - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); {false,'OPTIONAL'} -> EmitFuncClause("Val"), emit([" {Val,0}"]), @@ -672,9 +805,6 @@ gen_encode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest], % emit(["'enc_",ObjName,"'(",{asis,Name}, % ", Val,[H|T]) ->",nl]), case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); {false,'OPTIONAL'} -> EmitFuncClause("_,_"), emit([" exit({error,{'use of missing field in object', ",{asis,Name}, @@ -807,9 +937,6 @@ gen_decode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest], % ", Bytes, RestPrimFieldName) ->",nl]), MaybeConstr= case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> %% this case is illegal - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); {false,'OPTIONAL'} -> EmitFuncClause(" Bytes"), emit([" Bytes"]), @@ -844,9 +971,6 @@ gen_decode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest], % ", Bytes,[H|T]) ->",nl]), % emit_tlv_format("Bytes"), case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); {false,'OPTIONAL'} -> EmitFuncClause("_,_"), emit([" exit({error,{'illegal use of missing field in object', ",{asis,Name}, @@ -956,9 +1080,8 @@ gen_decode_field_call(ObjName,FieldName,Bytes,Type) -> Tag = [(decode_class(X#tag.class) bsl 10) + X#tag.number || X <- OTag], case Type#typedef.name of - {primitive,bif} -> %%tag should be the primitive tag - gen_dec_prim(ber,Def,Bytes,Tag,"TagIn",?PRIMITIVE, - opt_or_default), + {primitive,bif} -> + gen_dec_prim(Def, Bytes, Tag), []; {constructed,bif} -> emit({" 'dec_",ObjName,'_',FieldName, @@ -986,8 +1109,7 @@ gen_decode_default_call(ClassName,FieldName,Bytes,Type) -> FieldName])), typespec=Type}]; {primitive,bif} -> - gen_dec_prim(ber,Type,Bytes,Tag,"TagIn", - ?PRIMITIVE,opt_or_default), + gen_dec_prim(Type, Bytes, Tag), []; #'Externaltypereference'{module=CurrentMod,type=Etype} -> emit([" 'dec_",Etype,"'(",Bytes, " ,",{asis,Tag},")",nl]), @@ -1072,36 +1194,35 @@ gen_objset_enc(_,_,{unique,undefined},_,_,_,_,_) -> gen_objset_enc(Erules, ObjSetName, UniqueName, [{ObjName,Val,Fields}|T], ClName, ClFields, NthObj,Acc)-> - emit(["'getenc_",ObjSetName,"'(",{asis,UniqueName},",",{asis,Val}, - ") ->",nl]), CurrMod = get(currmod), {InternalFunc,NewNthObj}= case ObjName of {no_mod,no_name} -> - gen_inlined_enc_funs(Fields,ClFields,ObjSetName,NthObj); + gen_inlined_enc_funs(Fields, ClFields, ObjSetName, Val, NthObj); {CurrMod,Name} -> - emit({" fun 'enc_",Name,"'/3"}), + emit(["'getenc_",ObjSetName,"'(",{asis,Val},") ->",nl, + " fun 'enc_",Name,"'/3;",nl]), {[],NthObj}; {ModuleName,Name} -> + emit(["'getenc_",ObjSetName,"'(",{asis,Val},") ->",nl]), emit_ext_fun(enc,ModuleName,Name), + emit([";",nl]), {[],NthObj}; _ -> - emit({" fun 'enc_",ObjName,"'/3"}), + emit(["'getenc_",ObjSetName,"'(",{asis,Val},") ->",nl, + " fun 'enc_",ObjName,"'/3;",nl]), {[],NthObj} end, - emit({";",nl}), gen_objset_enc(Erules, ObjSetName, UniqueName, T, ClName, ClFields, NewNthObj, InternalFunc ++ Acc); %% See X.681 Annex E for the following case gen_objset_enc(_,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName, _ClFields,_NthObj,Acc) -> - emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}), - emit({indent(3),"fun(_, Val, _RestPrimFieldName) ->",nl}), - emit({indent(6),"Len = case Val of",nl,indent(9), - "Bin when is_binary(Bin) -> byte_size(Bin);",nl,indent(9), - "_ -> length(Val)",nl,indent(6),"end,"}), - emit({indent(6),"{Val,Len}",nl}), - emit({indent(3),"end.",nl,nl}), + emit(["'getenc_",ObjSetName,"'(_) ->",nl, + indent(2),"fun(_, Val, _RestPrimFieldName) ->",nl]), + emit_enc_open_type(4), + emit([nl, + indent(2),"end.",nl,nl]), Acc; gen_objset_enc(_, ObjSetName, UniqueName, [], _, _, _, Acc) -> emit_default_getenc(ObjSetName, UniqueName), @@ -1113,19 +1234,20 @@ emit_ext_fun(EncDec,ModuleName,Name) -> Name,"'(T,V,O) end"]). emit_default_getenc(ObjSetName,UniqueName) -> - emit(["'getenc_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]), + emit(["'getenc_",ObjSetName,"'(ErrV) ->",nl]), emit([indent(3),"fun(C,V,_) -> exit({'Type not compatible with table constraint',{component,C},{value,V}, {unique_name_and_value,",{asis,UniqueName},", ErrV}}) end"]). %% gen_inlined_enc_funs for each object iterates over all fields of a %% class, and for each typefield it checks if the object has that %% field and emits the proper code. -gen_inlined_enc_funs(Fields, [{typefield,_,_}|_]=T, ObjSetName, NthObj) -> - emit([indent(3),"fun(Type, Val, _RestPrimFieldName) ->",nl, +gen_inlined_enc_funs(Fields, [{typefield,_,_}|_]=T, ObjSetName, Val, NthObj) -> + emit(["'getenc_",ObjSetName,"'(",{asis,Val},") ->",nl, + indent(3),"fun(Type, Val, _RestPrimFieldName) ->",nl, indent(6),"case Type of",nl]), gen_inlined_enc_funs1(Fields, T, ObjSetName, [], NthObj, []); -gen_inlined_enc_funs(Fields,[_|Rest],ObjSetName,NthObj) -> - gen_inlined_enc_funs(Fields,Rest,ObjSetName,NthObj); -gen_inlined_enc_funs(_,[],_,NthObj) -> +gen_inlined_enc_funs(Fields, [_|Rest], ObjSetName, Val, NthObj) -> + gen_inlined_enc_funs(Fields, Rest, ObjSetName, Val, NthObj); +gen_inlined_enc_funs(_, [], _, _, NthObj) -> {[],NthObj}. gen_inlined_enc_funs1(Fields, [{typefield,Name,_}|Rest], ObjSetName, @@ -1163,13 +1285,8 @@ gen_inlined_enc_funs1(Fields, [{typefield,Name,_}|Rest], ObjSetName, %% were no type in the table and we therefore generate %% code that returns the input for application %% treatment. - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"Len = case Val of",nl, - indent(15),"Bin when is_binary(Bin) -> " - "byte_size(Bin);",nl, - indent(15),"_ -> length(Val)",nl, - indent(12),"end,",nl, - indent(12),"{Val,Len}"]), + emit([indent(9),{asis,Name}," ->",nl]), + emit_enc_open_type(11), {Acc0,0} end, gen_inlined_enc_funs1(Fields, Rest, ObjSetName, Sep, NthObj+NAdd, Acc); @@ -1177,9 +1294,28 @@ gen_inlined_enc_funs1(Fields,[_|Rest], ObjSetName, Sep, NthObj, Acc)-> gen_inlined_enc_funs1(Fields, Rest, ObjSetName, Sep, NthObj, Acc); gen_inlined_enc_funs1(_, [], _, _, NthObj, Acc) -> emit([nl,indent(6),"end",nl, - indent(3),"end"]), + indent(3),"end;",nl]), {Acc,NthObj}. +emit_enc_open_type(I) -> + Indent = indent(I), + S = [Indent, "case Val of",nl, + Indent,indent(2),"{asn1_OPENTYPE,Bin} when is_binary(Bin) ->",nl, + Indent,indent(4),"{Bin,byte_size(Bin)}"| + case asn1ct:use_legacy_types() of + false -> + [nl, + Indent,"end"]; + true -> + [";",nl, + Indent,indent(2),"Bin when is_binary(Bin) ->",nl, + Indent,indent(4),"{Bin,byte_size(Bin)};",nl, + Indent,indent(2),"_ ->",nl, + Indent,indent(4),"{Val,length(Val)}",nl, + Indent, "end"] + end], + emit(S). + emit_inner_of_fun(TDef=#typedef{name={ExtMod,Name},typespec=Type}, InternalDefFunName) -> OTag = Type#type.tag, @@ -1240,38 +1376,34 @@ gen_objset_dec(_,_,{unique,undefined},_,_,_,_) -> ok; gen_objset_dec(Erules, ObjSName, UniqueName, [{ObjName,Val,Fields}|T], ClName, ClFields, NthObj)-> - emit(["'getdec_",ObjSName,"'(",{asis,UniqueName},",", - {asis,Val},") ->",nl]), CurrMod = get(currmod), NewNthObj= case ObjName of {no_mod,no_name} -> - gen_inlined_dec_funs(Fields,ClFields,ObjSName,NthObj); + gen_inlined_dec_funs(Fields,ClFields,ObjSName,Val,NthObj); {CurrMod,Name} -> - emit([" fun 'dec_",Name,"'/3"]), + emit(["'getdec_",ObjSName,"'(",{asis,Val},") ->",nl, + " fun 'dec_",Name,"'/3;", nl]), NthObj; {ModuleName,Name} -> + emit(["'getdec_",ObjSName,"'(",{asis,Val},") ->",nl]), emit_ext_fun(dec,ModuleName,Name), + emit([";",nl]), NthObj; _ -> - emit([" fun 'dec_",ObjName,"'/3"]), + emit(["'getdec_",ObjSName,"'(",{asis,Val},") ->",nl, + " fun 'dec_",ObjName,"'/3;", nl]), NthObj end, - emit([";",nl]), gen_objset_dec(Erules, ObjSName, UniqueName, T, ClName, ClFields, NewNthObj); gen_objset_dec(_,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName, _ClFields,_NthObj) -> - emit(["'getdec_",ObjSetName,"'(_, _) ->",nl]), + emit(["'getdec_",ObjSetName,"'(_) ->",nl]), emit([indent(2),"fun(_,Bytes, _RestPrimFieldName) ->",nl]), - - emit([indent(4),"case Bytes of",nl, - indent(6),"Bin when is_binary(Bin) -> ",nl, - indent(8),"Bin;",nl, - indent(6),"_ ->",nl, - indent(8),{call,ber,ber_encode,["Bytes"]},nl, - indent(4),"end",nl]), - emit([indent(2),"end.",nl,nl]), + emit_dec_open_type(4), + emit([nl, + indent(2),"end.",nl,nl]), ok; gen_objset_dec(_, ObjSetName, UniqueName, [], _, _, _) -> emit_default_getdec(ObjSetName, UniqueName), @@ -1279,13 +1411,18 @@ gen_objset_dec(_, ObjSetName, UniqueName, [], _, _, _) -> ok. emit_default_getdec(ObjSetName,UniqueName) -> - emit(["'getdec_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]), + emit(["'getdec_",ObjSetName,"'(ErrV) ->",nl]), emit([indent(2), "fun(C,V,_) -> exit({{component,C},{value,V},{unique_name_and_value,",{asis,UniqueName},", ErrV}}) end"]). -gen_inlined_dec_funs(Fields, ClFields, ObjSetName, NthObj) -> +gen_inlined_dec_funs(Fields, [{typefield,_,_}|_]=ClFields, ObjSetName, Val, NthObj) -> + emit(["'getdec_",ObjSetName,"'(",{asis,Val},") ->",nl]), emit([indent(3),"fun(Type, Bytes, _RestPrimFieldName) ->",nl, indent(6),"case Type of",nl]), - gen_inlined_dec_funs1(Fields, ClFields, ObjSetName, "", NthObj). + gen_inlined_dec_funs1(Fields, ClFields, ObjSetName, "", NthObj); +gen_inlined_dec_funs(Fields, [_|ClFields], ObjSetName, Val, NthObj) -> + gen_inlined_dec_funs(Fields, ClFields, ObjSetName, Val, NthObj); +gen_inlined_dec_funs(_, _, _, _,NthObj) -> + NthObj. gen_inlined_dec_funs1(Fields, [{typefield,Name,Prop}|Rest], ObjSetName, Sep0, NthObj) -> @@ -1318,12 +1455,8 @@ gen_inlined_dec_funs1(Fields, [{typefield,Name,Prop}|Rest], end, 0; false -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"Len = case Bytes of",nl, - indent(15),"B when is_binary(B) -> byte_size(B);",nl, - indent(15),"_ -> length(Bytes)",nl, - indent(12),"end,",nl, - indent(12),"{Bytes,[],Len}"]), + emit([indent(9),{asis,Name}," ->",nl]), + emit_dec_open_type(11), 0 end, gen_inlined_dec_funs1(Fields, Rest, ObjSetName, Sep, NthObj+N); @@ -1331,10 +1464,31 @@ gen_inlined_dec_funs1(Fields, [_|Rest], ObjSetName, Sep, NthObj)-> gen_inlined_dec_funs1(Fields, Rest, ObjSetName, Sep, NthObj); gen_inlined_dec_funs1(_, [], _, _, NthObj) -> emit([nl,indent(6),"end",nl, - indent(3),"end"]), + indent(3),"end;",nl]), NthObj. -emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type},Prop, +emit_dec_open_type(I) -> + Indent = indent(I), + S = case asn1ct:use_legacy_types() of + false -> + [Indent, "case Bytes of",nl, + Indent,indent(2),"Bin when is_binary(Bin) -> ",nl, + Indent,indent(4),"{asn1_OPENTYPE,Bin};",nl, + Indent,indent(2),"_ ->",nl, + Indent,indent(4),"{asn1_OPENTYPE,", + {call,ber,ber_encode,["Bytes"]},"}",nl, + Indent, "end"]; + true -> + [Indent, "case Bytes of",nl, + Indent,indent(2),"Bin when is_binary(Bin) -> ",nl, + Indent,indent(4),"Bin;",nl, + Indent,indent(2),"_ ->",nl, + Indent,indent(4),{call,ber,ber_encode,["Bytes"]},nl, + Indent, "end"] + end, + emit(S). + +emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type}, _Prop, InternalDefFunName) -> OTag = Type#type.tag, %% Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag], @@ -1342,8 +1496,7 @@ emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type},Prop, case {ExtName,Name} of {primitive,bif} -> emit(indent(12)), - gen_dec_prim(ber,Type,"Bytes",Tag,"TagIn", - ?PRIMITIVE,Prop), + gen_dec_prim(Type, "Bytes", Tag), 0; {constructed,bif} -> emit([indent(12),"'dec_", @@ -1360,7 +1513,7 @@ emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type},Prop, emit_inner_of_decfun(#typedef{name=Name},_Prop,_) -> emit([indent(12),"'dec_",Name,"'(Bytes)"]), 0; -emit_inner_of_decfun(Type,Prop,_) when is_record(Type,type) -> +emit_inner_of_decfun(#type{}=Type, _Prop, _) -> OTag = Type#type.tag, %% Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag], Tag = [(decode_class(X#tag.class) bsl 10) + X#tag.number || X <- OTag], @@ -1371,8 +1524,7 @@ emit_inner_of_decfun(Type,Prop,_) when is_record(Type,type) -> case WhatKind of {primitive,bif} -> emit([indent(9),Def," ->",nl,indent(12)]), - gen_dec_prim(ber,Type,"Bytes",Tag,"TagIn", - ?PRIMITIVE,Prop); + gen_dec_prim(Type, "Bytes", Tag); #'Externaltypereference'{module=CurrMod,type=T} -> emit([indent(9),T," ->",nl,indent(12),"'dec_",T, % "'(Bytes, ",Prop,")"]); @@ -1407,39 +1559,6 @@ decode_class('CONTEXT') -> decode_class('PRIVATE') -> ?PRIVATE. -decode_type('BOOLEAN') -> 1; -decode_type('INTEGER') -> 2; -decode_type('BIT STRING') -> 3; -decode_type('OCTET STRING') -> 4; -decode_type('NULL') -> 5; -decode_type('OBJECT IDENTIFIER') -> 6; -decode_type('ObjectDescriptor') -> 7; -decode_type('EXTERNAL') -> 8; -decode_type('REAL') -> 9; -decode_type('ENUMERATED') -> 10; -decode_type('EMBEDDED_PDV') -> 11; -decode_type('UTF8String') -> 12; -decode_type('RELATIVE-OID') -> 13; -decode_type('SEQUENCE') -> 16; -decode_type('SEQUENCE OF') -> 16; -decode_type('SET') -> 17; -decode_type('SET OF') -> 17; -decode_type('NumericString') -> 18; -decode_type('PrintableString') -> 19; -decode_type('TeletexString') -> 20; -decode_type('T61String') -> 20; -decode_type('VideotexString') -> 21; -decode_type('IA5String') -> 22; -decode_type('UTCTime') -> 23; -decode_type('GeneralizedTime') -> 24; -decode_type('GraphicString') -> 25; -decode_type('VisibleString') -> 26; -decode_type('GeneralString') -> 27; -decode_type('UniversalString') -> 28; -decode_type('BMPString') -> 30; -decode_type('CHOICE') -> 'CHOICE'; % choice gets the tag from the actual alternative -decode_type(Else) -> exit({error,{asn1,{unrecognized_type,Else}}}). - mkfuncname(#'Externaltypereference'{module=Mod,type=EType}, DecOrEnc) -> CurrMod = get(currmod), case CurrMod of @@ -1509,6 +1628,3 @@ extaddgroup2sequence(ExtList) when is_list(ExtList) -> call(F, Args) -> asn1ct_func:call(ber, F, Args). - -need(F, Arity) -> - asn1ct_func:need({ber,F,Arity}). diff --git a/lib/asn1/src/asn1ct_gen_check.erl b/lib/asn1/src/asn1ct_gen_check.erl new file mode 100644 index 0000000000..abe77dd0cb --- /dev/null +++ b/lib/asn1/src/asn1ct_gen_check.erl @@ -0,0 +1,272 @@ +%% vim: tabstop=8:shiftwidth=4 +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2014-2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% +%% + +-module(asn1ct_gen_check). +-export([emit/3]). + +-import(asn1ct_gen, [emit/1]). +-include("asn1_records.hrl"). + +emit(Type, Default, Value) -> + Key = {Type,Default}, + Gen = fun(Fd, Name) -> + file:write(Fd, gen(Name, Type, Default)) + end, + emit(" case "), + asn1ct_func:call_gen("is_default_", Key, Gen, [Value]), + emit([" of",nl, + "true -> {[],0};",nl, + "false ->",nl]). + +gen(Name, #type{def=T}, Default) -> + NameStr = atom_to_list(Name), + [NameStr,"(asn1_DEFAULT) ->\n", + "true;\n"|case do_gen(T, Default) of + {literal,Literal} -> + [NameStr,"(",term2str(Literal),") ->\n","true;\n", + NameStr,"(_) ->\n","false.\n\n"]; + {exception,Func,Args} -> + [NameStr,"(Value) ->\n", + "try ",Func,"(Value",arg2str(Args),") of\n", + "_ -> true\n" + "catch throw:false -> false\n" + "end.\n\n"] + end]. + +do_gen(_, asn1_NOVALUE) -> + {literal,asn1_NOVALUE}; +do_gen(#'Externaltypereference'{module=M,type=T}, Default) -> + #typedef{typespec=#type{def=Td}} = asn1_db:dbget(M, T), + do_gen(Td, Default); +do_gen('BOOLEAN', Default) -> + {literal,Default}; +do_gen({'BIT STRING',[]}, Default) -> + true = is_bitstring(Default), %Assertion. + case asn1ct:use_legacy_types() of + false -> + {literal,Default}; + true -> + {exception,need(check_legacy_bitstring, 2),[Default]} + end; +do_gen({'BIT STRING',[_|_]=NBL}, Default) -> + do_named_bitstring(NBL, Default); +do_gen({'ENUMERATED',_}, Default) -> + {literal,Default}; +do_gen('INTEGER', Default) -> + {literal,Default}; +do_gen({'INTEGER',NNL}, Default) -> + {exception,need(check_int, 3),[Default,NNL]}; +do_gen('NULL', Default) -> + {literal,Default}; +do_gen('OCTET STRING', Default) -> + true = is_binary(Default), %Assertion. + case asn1ct:use_legacy_types() of + false -> + {literal,Default}; + true -> + {exception,need(check_octetstring, 2),[Default]} + end; +do_gen('OBJECT IDENTIFIER', Default0) -> + Default = pre_process_oid(Default0), + {exception,need(check_objectidentifier, 2),[Default]}; +do_gen({'CHOICE',Cs}, Default) -> + {Tag,Value} = Default, + [Type] = [Type || #'ComponentType'{name=T,typespec=Type} <- Cs, + T =:= Tag], + case do_gen(Type#type.def, Value) of + {literal,Lit} -> + {literal,{Tag,Lit}}; + {exception,Func0,Args} -> + Key = {Tag,Func0,Args}, + Gen = fun(Fd, Name) -> + S = gen_choice(Name, Tag, Func0, Args), + ok = file:write(Fd, S) + end, + Func = asn1ct_func:call_gen("is_default_choice", Key, Gen), + {exception,atom_to_list(Func),[]} + end; +do_gen(#'SEQUENCE'{components=Cs}, Default) -> + do_seq_set(Cs, Default); +do_gen({'SEQUENCE OF',Type}, Default) -> + do_sof(Type, Default); +do_gen(#'SET'{components=Cs}, Default) -> + do_seq_set(Cs, Default); +do_gen({'SET OF',Type}, Default) -> + do_sof(Type, Default); +do_gen(Type, Default) -> + case asn1ct_gen:unify_if_string(Type) of + restrictedstring -> + {exception,need(check_restrictedstring, 2),[Default]}; + _ -> + %% Open type. Do our best. + {literal,Default} + end. + +do_named_bitstring(NBL, Default0) when is_list(Default0) -> + Default = lists:sort(Default0), + Bs = asn1ct_gen:named_bitstring_value(Default, NBL), + Func = case asn1ct:use_legacy_types() of + false -> check_named_bitstring; + true -> check_legacy_named_bitstring + end, + {exception,need(Func, 4),[Default,Bs,bit_size(Bs)]}; +do_named_bitstring(_, Default) when is_bitstring(Default) -> + Func = case asn1ct:use_legacy_types() of + false -> check_named_bitstring; + true -> check_legacy_named_bitstring + end, + {exception,need(Func, 3),[Default,bit_size(Default)]}. + +do_seq_set(Cs0, Default) -> + Tag = element(1, Default), + Cs1 = [T || #'ComponentType'{typespec=T} <- Cs0], + Cs = components(Cs1, tl(tuple_to_list(Default))), + case are_all_literals(Cs) of + true -> + Literal = list_to_tuple([Tag|[L || {literal,L} <- Cs]]), + {literal,Literal}; + false -> + Key = {Cs,Default}, + Gen = fun(Fd, Name) -> + S = gen_components(Name, Tag, Cs), + ok = file:write(Fd, S) + end, + Func = asn1ct_func:call_gen("is_default_cs_", Key, Gen), + {exception,atom_to_list(Func),[]} + end. + +do_sof(Type, Default0) -> + Default = lists:sort(Default0), + Cs0 = lists:duplicate(length(Default), Type), + Cs = components(Cs0, Default), + case are_all_literals(Cs) of + true -> + Literal = [Lit || {literal,Lit} <- Cs], + {exception,need(check_literal_sof, 2),[Literal]}; + false -> + Key = Cs, + Gen = fun(Fd, Name) -> + S = gen_sof(Name, Cs), + ok = file:write(Fd, S) + end, + Func = asn1ct_func:call_gen("is_default_sof", Key, Gen), + {exception,atom_to_list(Func),[]} + end. + +are_all_literals([{literal,_}|T]) -> + are_all_literals(T); +are_all_literals([_|_]) -> + false; +are_all_literals([]) -> true. + +gen_components(Name, Tag, Cs) -> + [atom_to_list(Name),"(Value) ->\n", + "case Value of\n", + "{",term2str(Tag)|gen_cs_1(Cs, 1, [])]. + +gen_cs_1([{literal,Lit}|T], I, Acc) -> + [",\n",term2str(Lit)|gen_cs_1(T, I, Acc)]; +gen_cs_1([H|T], I, Acc) -> + Var = "E"++integer_to_list(I), + [",\n",Var|gen_cs_1(T, I+1, [{Var,H}|Acc])]; +gen_cs_1([], _, Acc) -> + ["} ->\n"|gen_cs_2(Acc, "")]. + +gen_cs_2([{Var,{exception,Func,Args}}|T], Sep) -> + [Sep,Func,"(",Var,arg2str(Args),")"|gen_cs_2(T, ",\n")]; +gen_cs_2([], _) -> + [";\n", + "_ ->\n" + "throw(false)\n" + "end.\n"]. + +gen_sof(Name, Cs) -> + [atom_to_list(Name),"(Value) ->\n", + "case length(Value) of\n", + integer_to_list(length(Cs))," -> ok;\n" + "_ -> throw(false)\n" + "end,\n" + "T0 = lists:sort(Value)"|gen_sof_1(Cs, 1)]. + +gen_sof_1([{exception,Func,Args}|Cs], I) -> + NumStr = integer_to_list(I), + H = "H" ++ NumStr, + T = "T" ++ NumStr, + Prev = "T" ++ integer_to_list(I-1), + [",\n", + "[",H,case Cs of + [] -> []; + [_|_] -> ["|",T] + end,"] = ",Prev,",\n", + Func,"(",H,arg2str(Args),")"|gen_sof_1(Cs, I+1)]; +gen_sof_1([], _) -> + ".\n". + +components([#type{def=Def}|Ts], [V|Vs]) -> + [do_gen(Def, V)|components(Ts, Vs)]; +components([], []) -> []. + +gen_choice(Name, Tag, Func, Args) -> + NameStr = atom_to_list(Name), + [NameStr,"({",term2str(Tag),",Value}) ->\n" + " ",Func,"(Value",arg2str(Args),");\n", + NameStr,"(_) ->\n" + " throw(false).\n"]. + +pre_process_oid(Oid) -> + Reserved = reserved_oid(), + pre_process_oid(tuple_to_list(Oid), Reserved, []). + +pre_process_oid([H|T]=Tail, Res0, Acc) -> + case lists:keyfind(H, 2, Res0) of + false -> + {lists:reverse(Acc),Tail}; + {Names0,H,Res} -> + Names = case is_list(Names0) of + false -> [Names0]; + true -> Names0 + end, + Keys = [H|Names], + pre_process_oid(T, Res, [Keys|Acc]) + end. + +reserved_oid() -> + [{['itu-t',ccitt],0, + [{recommendation,0,[]}, + {question,1,[]}, + {administration,2,[]}, + {'network-operator',3,[]}, + {'identified-organization',4,[]}]}, + {iso,1,[{standard,0,[]}, + {'member-body',2,[]}, + {'identified-organization',3,[]}]}, + {['joint-iso-itu-t','joint-iso-ccitt'],2,[]}]. + +arg2str(Args) -> + [", "++term2str(Arg) || Arg <- Args]. + +term2str(T) -> + io_lib:format("~w", [T]). + +need(F, A) -> + asn1ct_func:need({check,F,A}), + atom_to_list(F). diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl index 69d9d51bf1..aa7223904e 100644 --- a/lib/asn1/src/asn1ct_gen_per.erl +++ b/lib/asn1/src/asn1ct_gen_per.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -26,12 +27,13 @@ %-compile(export_all). -export([gen_dec_imm/2]). --export([gen_dec_prim/3,gen_encode_prim/3]). +-export([gen_dec_prim/3,gen_encode_prim_imm/3]). -export([gen_obj_code/3,gen_objectset_code/2]). -export([gen_decode/2, gen_decode/3]). -export([gen_encode/2, gen_encode/3]). -export([gen_dec_external/2]). -export([extaddgroup2sequence/1]). +-export([dialyzer_suppressions/1]). -import(asn1ct_gen, [emit/1,demit/1]). -import(asn1ct_func, [call/3]). @@ -40,6 +42,15 @@ %% Generate ENCODING ****************************** %%****************************************x +dialyzer_suppressions(Erules) -> + case asn1ct_func:is_used({Erules,complete,1}) of + false -> + ok; + true -> + emit([" _ = complete(Arg),",nl]) + end, + emit([" ok.",nl]). + gen_encode(Erules,Type) when is_record(Type,typedef) -> gen_encode_user(Erules,Type). @@ -99,835 +110,122 @@ gen_encode_user(Erules,D) when is_record(D,typedef) -> gen_encode_prim(Erules, D) -> - Value = asn1ct_gen:mk_var(asn1ct_name:curr(val)), + Value = {var,atom_to_list(asn1ct_gen:mk_var(asn1ct_name:curr(val)))}, gen_encode_prim(Erules, D, Value). -gen_encode_prim(Erules, #type{def={'ENUMERATED',{N1,N2}}}, Value) -> - NewList = [{0,X} || {X,_} <- N1] ++ ['EXT_MARK'] ++ - [{1,X} || {X,_} <- N2], - NewC = {0,length(N1)-1}, - emit(["case ",Value," of",nl]), - emit_enc_enumerated_cases(Erules, NewC, NewList, 0); -gen_encode_prim(Erules, #type{def={'ENUMERATED',NNL}}, Value) -> - NewList = [X || {X,_} <- NNL], - NewC = {0,length(NewList)-1}, - emit(["case ",Value," of",nl]), - emit_enc_enumerated_cases(Erules, NewC, NewList, 0); -gen_encode_prim(per=Erules, D, Value) -> - asn1ct_gen_per_rt2ct:gen_encode_prim(Erules, D, Value); gen_encode_prim(Erules, #type{}=D, Value) -> - Constraint = D#type.constraint, - SizeConstr = asn1ct_imm:effective_constraint(bitstring, Constraint), - Pa = case lists:keyfind('PermittedAlphabet', 1, Constraint) of - false -> no; - {_,Pa0} -> Pa0 - end, - case D#type.def of + Aligned = case Erules of + uper -> false; + per -> true + end, + Imm = gen_encode_prim_imm(Value, D, Aligned), + asn1ct_imm:enc_cg(Imm, Aligned). + +gen_encode_prim_imm(Val, #type{def=Type0,constraint=Constraint}, Aligned) -> + case simplify_type(Type0) of + k_m_string -> + Type = case Type0 of + 'GeneralizedTime' -> 'VisibleString'; + 'UTCTime' -> 'VisibleString'; + _ -> Type0 + end, + asn1ct_imm:per_enc_k_m_string(Val, Type, Constraint, Aligned); + restricted_string -> + ToBinary = {erlang,iolist_to_binary}, + asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned); + {'ENUMERATED',NNL} -> + asn1ct_imm:per_enc_enumerated(Val, NNL, Aligned); 'INTEGER' -> - Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)}, - Value], - call(Erules, encode_integer, Args); - {'INTEGER',NamedNumberList} -> - Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)}, - Value,{asis,NamedNumberList}], - call(Erules, encode_integer, Args); + asn1ct_imm:per_enc_integer(Val, Constraint, Aligned); + {'INTEGER',NNL} -> + asn1ct_imm:per_enc_integer(Val, NNL, Constraint, Aligned); 'REAL' -> - emit_enc_real(Erules, Value); - - {'BIT STRING',NamedNumberList} -> - call(Erules, encode_bit_string, - [{asis,SizeConstr},Value, - {asis,NamedNumberList}]); + ToBinary = {real_common,encode_real}, + asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned); + {'BIT STRING',NNL} -> + case asn1ct:use_legacy_types() of + false -> + asn1ct_imm:per_enc_bit_string(Val, NNL, + Constraint, Aligned); + true -> + asn1ct_imm:per_enc_legacy_bit_string(Val, NNL, + Constraint, Aligned) + end; 'NULL' -> - emit("[]"); + asn1ct_imm:per_enc_null(Val, Aligned); 'OBJECT IDENTIFIER' -> - call(Erules, encode_object_identifier, [Value]); + ToBinary = {per_common,encode_oid}, + asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned); 'RELATIVE-OID' -> - call(Erules, encode_relative_oid, [Value]); - 'ObjectDescriptor' -> - call(Erules, encode_ObjectDescriptor, - [{asis,Constraint},Value]); + ToBinary = {per_common,encode_relative_oid}, + asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned); 'BOOLEAN' -> - call(Erules, encode_boolean, [Value]); + asn1ct_imm:per_enc_boolean(Val, Aligned); 'OCTET STRING' -> - case SizeConstr of - 0 -> - emit("[]"); - no -> - call(Erules, encode_octet_string, [Value]); - C -> - call(Erules, encode_octet_string, [{asis,C},Value]) + case asn1ct:use_legacy_types() of + false -> + asn1ct_imm:per_enc_octet_string(Val, Constraint, Aligned); + true -> + asn1ct_imm:per_enc_legacy_octet_string(Val, Constraint, + Aligned) end; - 'NumericString' -> - call(Erules, encode_NumericString, [{asis,SizeConstr}, - {asis,Pa},Value]); - TString when TString == 'TeletexString'; - TString == 'T61String' -> - call(Erules, encode_TeletexString, [{asis,Constraint},Value]); - 'VideotexString' -> - call(Erules, encode_VideotexString, [{asis,Constraint},Value]); - 'UTCTime' -> - call(Erules, encode_VisibleString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'GeneralizedTime' -> - call(Erules, encode_VisibleString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'GraphicString' -> - call(Erules, encode_GraphicString, [{asis,Constraint},Value]); - 'VisibleString' -> - call(Erules, encode_VisibleString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'GeneralString' -> - call(Erules, encode_GeneralString, [{asis,Constraint},Value]); - 'PrintableString' -> - call(Erules, encode_PrintableString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'IA5String' -> - call(Erules, encode_IA5String, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'BMPString' -> - call(Erules, encode_BMPString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'UniversalString' -> - call(Erules, encode_UniversalString, [{asis,SizeConstr}, - {asis,Pa},Value]); - 'UTF8String' -> - call(Erules, encode_UTF8String, [Value]); 'ASN1_OPEN_TYPE' -> - NewValue = case Constraint of - [#'Externaltypereference'{type=Tname}] -> - asn1ct_func:need({Erules,complete,1}), - io_lib:format( - "complete(enc_~s(~s))",[Tname,Value]); - [#type{def=#'Externaltypereference'{type=Tname}}] -> - asn1ct_func:need({Erules,complete,1}), - io_lib:format( - "complete(enc_~s(~s))", - [Tname,Value]); - _ -> - io_lib:format("iolist_to_binary(~s)", - [Value]) - end, - call(Erules, encode_open_type, [NewValue]) - end. - -emit_enc_real(Erules, Real) -> - asn1ct_name:new(tmpval), - asn1ct_name:new(tmplen), - emit(["begin",nl, - "{",{curr,tmpval},com,{curr,tmplen},"} = ", - {call,real_common,encode_real,[Real]},com,nl, - "[",{call,Erules,encode_length,[{curr,tmplen}]},",", - {curr,tmpval},"]",nl, - "end"]). - -emit_enc_enumerated_cases(Erules, C, ['EXT_MARK'|T], _Count) -> - %% Reset enumeration counter. - emit_enc_enumerated_cases(Erules, C, T, 0); -emit_enc_enumerated_cases(Erules, C, [H|T], Count) -> - emit_enc_enumerated_case(Erules, C, H, Count), - emit([";",nl]), - emit_enc_enumerated_cases(Erules, C, T, Count+1); -emit_enc_enumerated_cases(_Erules, _, [], _Count) -> - emit(["EnumVal -> " - "exit({error,{asn1,{enumerated_not_in_range, EnumVal}}})",nl, - "end"]). - -emit_enc_enumerated_case(Erules, C, {0,EnumName}, Count) -> - %% ENUMERATED with extensionmark; the value lies within then extension root - Enc = enc_ext_and_val(Erules, 0, encode_constrained_number, [C,Count]), - emit(["'",EnumName,"' -> ",{asis,Enc}]); -emit_enc_enumerated_case(Erules, _C, {1,EnumName}, Count) -> - %% ENUMERATED with extensionmark; the value is higher than extension root - Enc = enc_ext_and_val(Erules, 1, encode_small_number, [Count]), - emit(["'",EnumName,"' -> ",{asis,Enc}]); -emit_enc_enumerated_case(Erules, C, EnumName, Count) -> - %% ENUMERATED without extension - EvalMod = eval_module(Erules), - emit(["'",EnumName,"' -> ", - {asis,EvalMod:encode_constrained_number(C, Count)}]). - -enc_ext_and_val(per, E, F, Args) -> - [E|apply(asn1ct_eval_per, F, Args)]; -enc_ext_and_val(uper, E, F, Args) -> - Bs = list_to_bitstring([apply(asn1ct_eval_uper, F, Args)]), - <<E:1,Bs/bitstring>>. - - -%% Object code generating for encoding and decoding -%% ------------------------------------------------ - -gen_obj_code(Erules,_Module,Obj) when is_record(Obj,typedef) -> - ObjName = Obj#typedef.name, - Def = Obj#typedef.typespec, - #'Externaltypereference'{module=Mod,type=ClassName} = - Def#'Object'.classname, - Class = asn1_db:dbget(Mod,ClassName), - {object,_,Fields} = Def#'Object'.def, - emit({nl,nl,nl,"%%================================"}), - emit({nl,"%% ",ObjName}), - emit({nl,"%%================================",nl}), - EncConstructed = - gen_encode_objectfields(Erules, ClassName,get_class_fields(Class), - ObjName,Fields,[]), - emit(nl), - gen_encode_constr_type(Erules,EncConstructed), - emit(nl), - DecConstructed = - gen_decode_objectfields(Erules, ClassName, get_class_fields(Class), - ObjName, Fields, []), - emit(nl), - gen_decode_constr_type(Erules,DecConstructed), - emit(nl). - - -gen_encode_objectfields(Erule, ClassName, - [{typefield,Name,OptOrMand}|Rest], - ObjName, ObjectFields, ConstrAcc) -> - EmitFuncClause = - fun(V) -> - emit(["'enc_",ObjName,"'(",{asis,Name}, - ",",V,",_RestPrimFieldName) ->",nl]) - end, -% emit(["'enc_",ObjName,"'(",{asis,Name}, -% ", Val, _RestPrimFieldName) ->",nl]), - MaybeConstr = - case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> %% this case is illegal - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); - {false,'OPTIONAL'} -> - EmitFuncClause("Val"), - case Erule of - uper -> - emit(" Val"); - per -> - emit([" if",nl, - " is_list(Val) ->",nl, - " NewVal = list_to_binary(Val),",nl, - " [20,byte_size(NewVal),NewVal];",nl, - " is_binary(Val) ->",nl, - " [20,byte_size(Val),Val]",nl, - " end"]) - end, - []; - {false,{'DEFAULT',DefaultType}} -> - EmitFuncClause("Val"), - gen_encode_default_call(Erule, ClassName, Name, DefaultType); - {{Name,TypeSpec},_} -> - %% A specified field owerwrites any 'DEFAULT' or - %% 'OPTIONAL' field in the class - EmitFuncClause("Val"), - gen_encode_field_call(Erule, ObjName, Name, TypeSpec) - end, - case more_genfields(Rest) of - true -> - emit([";",nl]); - false -> - emit([".",nl]) - end, - gen_encode_objectfields(Erule,ClassName,Rest,ObjName,ObjectFields, - MaybeConstr++ConstrAcc); -gen_encode_objectfields(Erule,ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest], - ObjName,ObjectFields,ConstrAcc) -> - CurrentMod = get(currmod), - EmitFuncClause = - fun(Attrs) -> - emit(["'enc_",ObjName,"'(",{asis,Name}, - ",",Attrs,") ->",nl]) - end, -% emit(["'enc_",ObjName,"'(",{asis,Name}, -% ", Val,[H|T]) ->",nl]), - case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); - {false,'OPTIONAL'} -> - EmitFuncClause("_,_"), - emit([" exit({error,{'use of missing field in object', ",{asis,Name}, - "}})"]); - {false,{'DEFAULT',_DefaultObject}} -> - exit({error,{asn1,{"not implemented yet",Name}}}); - {{Name,#'Externalvaluereference'{module=CurrentMod, - value=TypeName}},_} -> - EmitFuncClause(" Val, [H|T]"), - emit({indent(3),"'enc_",TypeName,"'(H, Val, T)"}); - {{Name,#'Externalvaluereference'{module=M,value=TypeName}},_} -> - EmitFuncClause(" Val, [H|T]"), - emit({indent(3),"'",M,"':'enc_",TypeName,"'(H, Val, T)"}); - {{Name,TypeSpec},_} -> - EmitFuncClause("Val,[H|T]"), - case TypeSpec#typedef.name of - {ExtMod,TypeName} -> - emit({indent(3),"'",ExtMod,"':'enc_",TypeName, - "'(H, Val, T)"}); - TypeName -> - emit({indent(3),"'enc_",TypeName,"'(H, Val, T)"}) + case Constraint of + [#'Externaltypereference'{type=Tname}] -> + EncFunc = enc_func(Tname), + Imm = [{apply,{local,EncFunc,[]},[Val]}], + asn1ct_imm:per_enc_open_type(Imm, Aligned); + [] -> + Imm = [{call,erlang,iolist_to_binary,[Val]}], + asn1ct_imm:per_enc_open_type(Imm, Aligned) end - end, - case more_genfields(Rest) of - true -> - emit([";",nl]); - false -> - emit([".",nl]) - end, - gen_encode_objectfields(Erule,ClassName,Rest,ObjName,ObjectFields,ConstrAcc); -gen_encode_objectfields(Erule,ClassName,[_C|Cs],O,OF,Acc) -> - gen_encode_objectfields(Erule,ClassName,Cs,O,OF,Acc); -gen_encode_objectfields(_, _,[],_,_,Acc) -> - Acc. - - -gen_encode_constr_type(Erules,[TypeDef|Rest]) when is_record(TypeDef,typedef) -> - case is_already_generated(enc,TypeDef#typedef.name) of - true -> ok; - _ -> -%% FuncName = list_to_atom(lists:concat(["enc_",TypeDef#typedef.name])), - FuncName = asn1ct_gen:list2rname(TypeDef#typedef.name ++ [enc]), - emit(["'",FuncName,"'(Val) ->",nl]), - Def = TypeDef#typedef.typespec, - InnerType = asn1ct_gen:get_inner(Def#type.def), - asn1ct_gen:gen_encode_constructed(Erules,TypeDef#typedef.name, - InnerType,Def), - gen_encode_constr_type(Erules,Rest) - end; -gen_encode_constr_type(_,[]) -> - ok. - -gen_encode_field_call(_Erules, _ObjName, _FieldName, - #'Externaltypereference'{module=M,type=T}) -> - CurrentMod = get(currmod), - if - M == CurrentMod -> - emit({" 'enc_",T,"'(Val)"}), - []; - true -> - emit({" '",M,"':'enc_",T,"'(Val)"}), - [] - end; -gen_encode_field_call(Erules, ObjName, FieldName, Type) -> - Def = Type#typedef.typespec, - case Type#typedef.name of - {primitive,bif} -> - gen_encode_prim(Erules, Def, "Val"), - []; - {constructed,bif} -> - emit({" 'enc_",ObjName,'_',FieldName, - "'(Val)"}), -%% [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}]; - [Type#typedef{name=[FieldName,ObjName]}]; - {ExtMod,TypeName} -> - emit({" '",ExtMod,"':'enc_",TypeName, - "'(Val)"}), - []; - TypeName -> - emit({" 'enc_",TypeName,"'(Val)"}), - [] end. -gen_encode_default_call(Erules, ClassName, FieldName, Type) -> - CurrentMod = get(currmod), - InnerType = asn1ct_gen:get_inner(Type#type.def), - case asn1ct_gen:type(InnerType) of - {constructed,bif} -> -%% asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type); - emit([" 'enc_",ClassName,'_',FieldName,"'(Val)"]), -%% [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])), - [#typedef{name=[FieldName,ClassName], - typespec=Type}]; - {primitive,bif} -> - gen_encode_prim(Erules, Type, "Val"), - []; - #'Externaltypereference'{module=CurrentMod,type=Etype} -> - emit([" 'enc_",Etype,"'(Val)",nl]), - []; - #'Externaltypereference'{module=Emod,type=Etype} -> - emit([" '",Emod,"':'enc_",Etype,"'(Val)",nl]), - [] - end. - - -gen_decode_objectfields(Erules, ClassName, - [{typefield,Name,OptOrMand}|Rest], - ObjName, ObjectFields, ConstrAcc) -> - EmitFuncClause = - fun(Bytes) -> - emit(["'dec_",ObjName,"'(",{asis,Name},",",Bytes, - ",_,_RestPrimFieldName) ->",nl]) - end, - MaybeConstr= - case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> %% this case is illegal - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); - {false,'OPTIONAL'} -> - EmitFuncClause("Bytes"), - emit([" {Bytes,[]}"]), - []; - {false,{'DEFAULT',DefaultType}} -> - EmitFuncClause("Bytes"), - gen_decode_default_call(Erules, ClassName, Name, "Bytes", - DefaultType); - {{Name,TypeSpec},_} -> - %% A specified field owerwrites any 'DEFAULT' or - %% 'OPTIONAL' field in the class - EmitFuncClause("Bytes"), - gen_decode_field_call(Erules, ObjName, Name, "Bytes", TypeSpec) - end, - case more_genfields(Rest) of - true -> - emit([";",nl]); - false -> - emit([".",nl]) - end, - gen_decode_objectfields(Erules, ClassName, Rest, ObjName, - ObjectFields, MaybeConstr++ConstrAcc); -gen_decode_objectfields(Erules, ClassName, - [{objectfield,Name,_,_,OptOrMand}|Rest], - ObjName, ObjectFields, ConstrAcc) -> - CurrentMod = get(currmod), - EmitFuncClause = - fun(Attrs) -> - emit(["'dec_",ObjName,"'(",{asis,Name}, - ",",Attrs,") ->",nl]) - end, -% emit(["'dec_",ObjName,"'(",{asis,Name}, -% ", Bytes,_,[H|T]) ->",nl]), - case {get_object_field(Name,ObjectFields),OptOrMand} of - {false,'MANDATORY'} -> - exit({error,{asn1,{"missing mandatory field in object", - ObjName}}}); - {false,'OPTIONAL'} -> - EmitFuncClause("_,_,_"), - emit([" exit({error,{'illegal use of missing field in object', ",{asis,Name}, - "}})"]); - {false,{'DEFAULT',_DefaultObject}} -> - exit({error,{asn1,{"not implemented yet",Name}}}); - {{Name,#'Externalvaluereference'{module=CurrentMod, - value=TypeName}},_} -> - EmitFuncClause("Bytes,_,[H|T]"), - emit({indent(3),"'dec_",TypeName,"'(H, Bytes, telltype, T)"}); - {{Name,#'Externalvaluereference'{module=M,value=TypeName}},_} -> - EmitFuncClause("Bytes,_,[H|T]"), - emit({indent(3),"'",M,"':'dec_",TypeName, - "'(H, Bytes, telltype, T)"}); - {{Name,TypeSpec},_} -> - EmitFuncClause("Bytes,_,[H|T]"), - case TypeSpec#typedef.name of - {ExtMod,TypeName} -> - emit({indent(3),"'",ExtMod,"':'dec_",TypeName, - "'(H, Bytes, telltype, T)"}); - TypeName -> - emit({indent(3),"'dec_",TypeName,"'(H, Bytes, telltype, T)"}) - end - end, - case more_genfields(Rest) of - true -> - emit([";",nl]); - false -> - emit([".",nl]) - end, - gen_decode_objectfields(Erules, ClassName, Rest, ObjName, - ObjectFields, ConstrAcc); -gen_decode_objectfields(Erules, CN, [_C|Cs], O, OF, CAcc) -> - gen_decode_objectfields(Erules, CN, Cs, O, OF, CAcc); -gen_decode_objectfields(_, _, [], _, _, CAcc) -> - CAcc. - - - -gen_decode_field_call(_Erules, _ObjName, _FieldName, Bytes, - #'Externaltypereference'{}=Etype) -> - emit(" "), - gen_dec_external(Etype, Bytes), - []; -gen_decode_field_call(Erules, ObjName, FieldName, Bytes, Type) -> - Def = Type#typedef.typespec, - case Type#typedef.name of - {primitive,bif} -> - gen_dec_prim(Erules, Def, Bytes), - []; - {constructed,bif} -> - emit({" 'dec_",ObjName,'_',FieldName, - "'(",Bytes,",telltype)"}), -%% [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}]; - [Type#typedef{name=[FieldName,ObjName]}]; - {ExtMod,TypeName} -> - emit({" '",ExtMod,"':'dec_",TypeName, - "'(",Bytes,", telltype)"}), - []; - TypeName -> - emit({" 'dec_",TypeName,"'(",Bytes,", telltype)"}), - [] - end. - -gen_decode_default_call(Erules, ClassName, FieldName, Bytes, Type) -> - InnerType = asn1ct_gen:get_inner(Type#type.def), - case asn1ct_gen:type(InnerType) of - {constructed,bif} -> - emit([" 'dec_",ClassName,'_',FieldName,"'(",Bytes,", telltype)"]), -%% [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])), - [#typedef{name=[FieldName,ClassName], - typespec=Type}]; - {primitive,bif} -> - gen_dec_prim(Erules, Type, Bytes), - []; - #'Externaltypereference'{}=Etype -> - asn1ct_gen_per:gen_dec_external(Etype, Bytes), - [] +dec_func(Tname) -> + list_to_atom(lists:concat(["dec_",Tname])). + +enc_func(Tname) -> + list_to_atom(lists:concat(["enc_",Tname])). + +simplify_type(Type) -> + case Type of + 'BMPString' -> k_m_string; + 'IA5String' -> k_m_string; + 'NumericString' -> k_m_string; + 'PrintableString' -> k_m_string; + 'VisibleString' -> k_m_string; + 'UniversalString' -> k_m_string; + 'GeneralizedTime' -> k_m_string; + 'UTCTime' -> k_m_string; + 'TeletexString' -> restricted_string; + 'T61String' -> restricted_string; + 'VideotexString' -> restricted_string; + 'GraphicString' -> restricted_string; + 'GeneralString' -> restricted_string; + 'UTF8String' -> restricted_string; + 'ObjectDescriptor' -> restricted_string; + Other -> Other end. +%% Object code generating for encoding and decoding +%% ------------------------------------------------ -gen_decode_constr_type(Erules,[TypeDef|Rest]) when is_record(TypeDef,typedef) -> - case is_already_generated(dec,TypeDef#typedef.name) of - true -> ok; - _ -> - gen_decode(Erules,TypeDef#typedef{name=asn1ct_gen:list2rname(TypeDef#typedef.name)}) - end, - gen_decode_constr_type(Erules,Rest); -gen_decode_constr_type(_,[]) -> +gen_obj_code(_Erules, _Module, #typedef{}) -> ok. - -more_genfields([]) -> - false; -more_genfields([Field|Fields]) -> - case element(1,Field) of - typefield -> - true; - objectfield -> - true; - _ -> - more_genfields(Fields) - end. - %% Object Set code generating for encoding and decoding %% ---------------------------------------------------- -gen_objectset_code(Erules,ObjSet) -> - ObjSetName = ObjSet#typedef.name, - Def = ObjSet#typedef.typespec, -%% {ClassName,ClassDef} = Def#'ObjectSet'.class, - #'Externaltypereference'{module=ClassModule, - type=ClassName} = Def#'ObjectSet'.class, - ClassDef = asn1_db:dbget(ClassModule,ClassName), - UniqueFName = Def#'ObjectSet'.uniquefname, - Set = Def#'ObjectSet'.set, - emit({nl,nl,nl,"%%================================"}), - emit({nl,"%% ",ObjSetName}), - emit({nl,"%%================================",nl}), - case ClassName of - {_Module,ExtClassName} -> - gen_objset_code(Erules,ObjSetName,UniqueFName,Set, - ExtClassName,ClassDef); - _ -> - gen_objset_code(Erules,ObjSetName,UniqueFName,Set, - ClassName,ClassDef) - end, - emit(nl). - -gen_objset_code(Erules,ObjSetName,UniqueFName,Set,ClassName,ClassDef)-> - ClassFields = (ClassDef#classdef.typespec)#objectclass.fields, - InternalFuncs= - gen_objset_enc(Erules,ObjSetName,UniqueFName,Set,ClassName,ClassFields,1,[]), - gen_objset_dec(Erules, ObjSetName,UniqueFName,Set,ClassName,ClassFields,1), - gen_internal_funcs(Erules,InternalFuncs). - -%% gen_objset_enc iterates over the objects of the object set -gen_objset_enc(_,_,{unique,undefined},_,_,_,_,_) -> - %% There is no unique field in the class of this object set - %% don't bother about the constraint - []; -gen_objset_enc(Erule, ObjSetName, UniqueName, [{ObjName,Val,Fields}|T], - ClName, ClFields, NthObj, Acc)-> - emit(["'getenc_",ObjSetName,"'(",{asis,UniqueName},",",{asis,Val}, - ") ->",nl]), - CurrMod = get(currmod), - {InternalFunc,NewNthObj}= - case ObjName of - {no_mod,no_name} -> - gen_inlined_enc_funs(Erule, Fields, ClFields, - ObjSetName, NthObj); - {CurrMod,Name} -> - emit({" fun 'enc_",Name,"'/3"}), - {[],0}; - {ModName,Name} -> - emit_ext_encfun(ModName,Name), - {[],0}; - _Other -> - emit({" fun 'enc_",ObjName,"'/3"}), - {[],0} - end, - emit({";",nl}), - gen_objset_enc(Erule, ObjSetName, UniqueName, T, ClName, ClFields, - NewNthObj, InternalFunc ++ Acc); -gen_objset_enc(uper, ObjSetName, _UniqueName, ['EXTENSIONMARK'], - _ClName, _ClFields, _NthObj, Acc) -> - emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}), - emit({indent(3),"fun(_, Val, _) ->",nl}), - emit([indent(6),"Val",nl, - indent(3),"end.",nl,nl]), - Acc; -gen_objset_enc(per, ObjSetName, _UniqueName, ['EXTENSIONMARK'], - _ClName, _ClFields, _NthObj, Acc) -> - emit(["'getenc_",ObjSetName,"'(_, _) ->",nl, - indent(3),"fun(_, Val, _) ->",nl, - indent(6),"BinVal = if",nl, - indent(9),"is_list(Val) -> list_to_binary(Val);",nl, - indent(9),"true -> Val",nl, - indent(6),"end,",nl, - indent(6),"Size = byte_size(BinVal),",nl, - indent(6),"if",nl, - indent(9),"Size < 256 ->",nl, - indent(12),"[20,Size,BinVal];",nl, - indent(9),"true ->",nl, - indent(12),"[21,<<Size:16>>,Val]",nl, - indent(6),"end",nl, - indent(3),"end.",nl,nl]), - Acc; -gen_objset_enc(_, ObjSetName, UniqueName, [], _, _, _, Acc) -> - emit_default_getenc(ObjSetName, UniqueName), - emit([".",nl,nl]), - Acc. - -emit_ext_encfun(ModuleName,Name) -> - emit([indent(4),"fun(T,V,O) -> '",ModuleName,"':'enc_", - Name,"'(T,V,O) end"]). - -emit_default_getenc(ObjSetName,UniqueName) -> - emit(["'getenc_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]), - emit([indent(4),"fun(C,V,_) -> exit({'Type not compatible with table constraint',{component,C},{value,V},{unique_name_and_value,",{asis,UniqueName},",ErrV}}) end"]). - - -%% gen_inlined_enc_funs for each object iterates over all fields of a -%% class, and for each typefield it checks if the object has that -%% field and emits the proper code. -gen_inlined_enc_funs(Erule, Fields, [{typefield,_,_}|_]=T, - ObjSetName, NthObj) -> - emit([indent(3),"fun(Type, Val, _) ->",nl, - indent(6),"case Type of",nl]), - gen_inlined_enc_funs1(Erule, Fields, T, ObjSetName, [], NthObj, []); -gen_inlined_enc_funs(Erule,Fields,[_H|Rest],ObjSetName,NthObj) -> - gen_inlined_enc_funs(Erule,Fields,Rest,ObjSetName,NthObj); -gen_inlined_enc_funs(_,_,[],_,NthObj) -> - {[],NthObj}. - -gen_inlined_enc_funs1(Erule, Fields, [{typefield,Name,_}|Rest], ObjSetName, - Sep0, NthObj, Acc0) -> - emit(Sep0), - Sep = [";",nl], - CurrentMod = get(currmod), - InternalDefFunName = asn1ct_gen:list2name([NthObj,Name,ObjSetName]), - {Acc,NAdd} = - case lists:keyfind(Name, 1, Fields) of - {_,#type{}=Type} -> - {Ret,N} = emit_inner_of_fun(Erule, Type, InternalDefFunName), - {Ret++Acc0,N}; - {_,#typedef{}=Type} -> - emit([indent(9),{asis,Name}," ->",nl]), - {Ret,N} = emit_inner_of_fun(Erule, Type, InternalDefFunName), - {Ret++Acc0,N}; - {_,#'Externaltypereference'{module=CurrentMod,type=T}} -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"'enc_",T,"'(Val)"]), - {Acc0,0}; - {_,#'Externaltypereference'{module=M,type=T}} -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"'",M,"'",":'enc_",T,"'(Val)"]), - {Acc0,0}; - false when Erule =:= uper -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"Val",nl]), - {Acc0,0}; - false when Erule =:= per -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12),"Size = case Val of",nl, - indent(15),"B when is_binary(B) -> size(B);",nl, - indent(15),"_ -> length(Val)",nl, - indent(12),"end,",nl, - indent(12),"if",nl, - indent(15),"Size < 256 -> [20,Size,Val];",nl, - indent(15),"true -> [21,<<Size:16>>,Val]",nl, - indent(12),"end"]), - {Acc0,0} - end, - gen_inlined_enc_funs1(Erule, Fields, Rest, ObjSetName, Sep, - NthObj+NAdd, Acc); -gen_inlined_enc_funs1(Erule, Fields, [_|T], ObjSetName, Sep, NthObj, Acc)-> - gen_inlined_enc_funs1(Erule, Fields, T, ObjSetName, Sep, NthObj, Acc); -gen_inlined_enc_funs1(_, _, [], _, _, NthObj, Acc) -> - emit([nl,indent(6),"end",nl, - indent(3),"end"]), - {Acc,NthObj}. - -emit_inner_of_fun(Erule, #typedef{name={ExtMod,Name},typespec=Type}=TDef, - InternalDefFunName) -> - case {ExtMod,Name} of - {primitive,bif} -> - emit(indent(12)), - gen_encode_prim(Erule, Type, "Val"), - {[],0}; - {constructed,bif} -> - emit([indent(12),"'enc_", - InternalDefFunName,"'(Val)"]), - {[TDef#typedef{name=InternalDefFunName}],1}; - _ -> - emit({indent(12),"'",ExtMod,"':'enc_",Name,"'(Val)"}), - {[],0} - end; -emit_inner_of_fun(_Erule, #typedef{name=Name}, _) -> - emit({indent(12),"'enc_",Name,"'(Val)"}), - {[],0}; -emit_inner_of_fun(Erule, #type{}=Type, _) -> - CurrMod = get(currmod), - case Type#type.def of - Def when is_atom(Def) -> - emit({indent(9),Def," ->",nl,indent(12)}), - gen_encode_prim(Erule, Type, "Val"); - #'Externaltypereference'{module=CurrMod,type=T} -> - emit({indent(9),T," ->",nl,indent(12),"'enc_",T,"'(Val)"}); - #'Externaltypereference'{module=ExtMod,type=T} -> - emit({indent(9),T," ->",nl,indent(12),ExtMod,":'enc_", - T,"'(Val)"}) - end, - {[],0}. - -indent(N) -> - lists:duplicate(N,32). % 32 = space - - -gen_objset_dec(_, _, {unique,undefined}, _, _, _, _) -> - %% There is no unique field in the class of this object set - %% don't bother about the constraint - ok; -gen_objset_dec(Erule, ObjSName, UniqueName, [{ObjName,Val,Fields}|T], ClName, - ClFields, NthObj)-> - emit({"'getdec_",ObjSName,"'(",{asis,UniqueName},",",{asis,Val}, - ") ->",nl}), - CurrMod = get(currmod), - NewNthObj= - case ObjName of - {no_mod,no_name} -> - gen_inlined_dec_funs(Erule, Fields, ClFields, - ObjSName, NthObj); - {CurrMod,Name} -> - emit([" fun 'dec_",Name,"'/4"]), - NthObj; - {ModName,Name} -> - emit_ext_decfun(ModName,Name), - NthObj; - _Other -> - emit({" fun 'dec_",ObjName,"'/4"}), - NthObj - end, - emit({";",nl}), - gen_objset_dec(Erule, ObjSName, UniqueName, T, ClName, ClFields, NewNthObj); -gen_objset_dec(_Erule, ObjSetName, _UniqueName, ['EXTENSIONMARK'], - _ClName, _ClFields, _NthObj) -> - emit({"'getdec_",ObjSetName,"'(_, _) ->",nl}), - emit({indent(3),"fun(Attr1, Bytes, _,_) ->",nl}), - emit({indent(6),"{Bytes,Attr1}",nl}), - emit({indent(3),"end.",nl,nl}), - ok; -gen_objset_dec(_Erule, ObjSetName, UniqueName, [], _, _, _) -> - emit_default_getdec(ObjSetName, UniqueName), - emit([".",nl,nl]), +gen_objectset_code(_Erules, _ObjSet) -> ok. -emit_ext_decfun(ModuleName,Name) -> - emit([indent(3),"fun(T,V,O1,O2) -> '",ModuleName,"':'dec_", - Name,"'(T,V,O1,O2) end"]). - -emit_default_getdec(ObjSetName,UniqueName) -> - emit(["'getdec_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]), - emit([indent(2), "fun(C,V,_,_) -> exit({{component,C},{value,V},{unique_name_and_value,",{asis,UniqueName},",ErrV}}) end"]). - - -gen_inlined_dec_funs(Erule, Fields, List, ObjSetName, NthObj0) -> - emit([indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl]), - NthObj = gen_inlined_dec_funs1(Erule, Fields, List, - ObjSetName, "", NthObj0), - emit([nl,indent(6),"end",nl, - indent(3),"end"]), - NthObj. - -gen_inlined_dec_funs1(Erule, Fields, [{typefield,Name,_}|Rest], - ObjSetName, Sep0, NthObj) -> - InternalDefFunName = [NthObj,Name,ObjSetName], - emit(Sep0), - Sep = [";",nl], - N = case lists:keyfind(Name, 1, Fields) of - {_,#type{}=Type} -> - emit_inner_of_decfun(Erule, Type, InternalDefFunName); - {_,#typedef{}=Type} -> - emit([indent(9),{asis,Name}," ->",nl]), - emit_inner_of_decfun(Erule, Type, InternalDefFunName); - {_,#'Externaltypereference'{}=Etype} -> - emit([indent(9),{asis,Name}," ->",nl, - indent(12)]), - gen_dec_external(Etype, "Val"), - 0; - false -> - emit([indent(9),{asis,Name}," -> {Val,Type}"]), - 0 - end, - gen_inlined_dec_funs1(Erule, Fields, Rest, ObjSetName, Sep, NthObj+N); -gen_inlined_dec_funs1(Erule, Fields, [_|Rest], ObjSetName, Sep, NthObj) -> - gen_inlined_dec_funs1(Erule, Fields, Rest, ObjSetName, Sep, NthObj); -gen_inlined_dec_funs1(_, _, [], _, _, NthObj) -> NthObj. - -emit_inner_of_decfun(Erule, #typedef{name={ExtName,Name},typespec=Type}, - InternalDefFunName) -> - case {ExtName,Name} of - {primitive,bif} -> - emit(indent(12)), - gen_dec_prim(Erule, Type, "Val"), - 0; - {constructed,bif} -> - emit({indent(12),"'dec_", - asn1ct_gen:list2name(InternalDefFunName),"'(Val)"}), - 1; - _ -> - emit({indent(12),"'",ExtName,"':'dec_",Name,"'(Val, telltype)"}), - 0 - end; -emit_inner_of_decfun(_Erule, #typedef{name=Name}, _) -> - emit({indent(12),"'dec_",Name,"'(Val, telltype)"}), - 0; -emit_inner_of_decfun(Erule, #type{}=Type, _) -> - CurrMod = get(currmod), - case Type#type.def of - Def when is_atom(Def) -> - emit({indent(9),Def," ->",nl,indent(12)}), - gen_dec_prim(Erule, Type, "Val"); - #'Externaltypereference'{module=CurrMod,type=T} -> - emit({indent(9),T," ->",nl,indent(12),"'dec_",T,"'(Val)"}); - #'Externaltypereference'{module=ExtMod,type=T} -> - emit({indent(9),T," ->",nl,indent(12),ExtMod,":'dec_", - T,"'(Val)"}) - end, - 0. - - -gen_internal_funcs(_,[]) -> - ok; -gen_internal_funcs(Erules,[TypeDef|Rest]) -> - gen_encode_user(Erules,TypeDef), - emit([nl,nl,"'dec_",TypeDef#typedef.name,"'(Bytes) ->",nl]), - gen_decode_user(Erules,TypeDef), - gen_internal_funcs(Erules,Rest). - - - %% DECODING ***************************** %%*************************************** -gen_decode(Erules,Type) when is_record(Type,typedef) -> - D = Type, - emit({nl,nl}), - emit({"'dec_",Type#typedef.name,"'(Bytes,_) ->",nl}), +gen_decode(Erules, #typedef{}=Type) -> + DecFunc = dec_func(Type#typedef.name), + emit([nl,nl,{asis,DecFunc},"(Bytes) ->",nl]), dbdec(Type#typedef.name), - gen_decode_user(Erules,D). + gen_decode_user(Erules, Type). gen_decode(Erules,Tname,#'ComponentType'{name=Cname,typespec=Type}) -> NewTname = [Cname|Tname], @@ -944,8 +242,9 @@ gen_decode(Erules,Typename,Type) when is_record(Type,type) -> _ -> "" end, - emit({nl,"'dec_",asn1ct_gen:list2name(Typename), - "'(Bytes,_",ObjFun,") ->",nl}), + emit([nl, + {asis,dec_func(asn1ct_gen:list2name(Typename))}, + "(Bytes",ObjFun,") ->",nl]), dbdec(Typename), asn1ct_gen:gen_decode_constructed(Erules,Typename,InnerType,Type); _ -> @@ -982,8 +281,8 @@ gen_dec_external(Ext, BytesVar) -> #'Externaltypereference'{module=Mod,type=Type} = Ext, emit([case CurrMod of Mod -> []; - _ -> ["'",Mod,"':"] - end,"'dec_",Type,"'(",BytesVar,",telltype)"]). + _ -> [{asis,Mod},":"] + end,{asis,dec_func(Type)},"(",BytesVar,")"]). gen_dec_imm(Erule, #type{def=Name,constraint=C}) -> Aligned = case Erule of @@ -1050,7 +349,10 @@ gen_dec_imm_1('GeneralizedTime', Constraint, Aligned) -> gen_dec_imm_1('OCTET STRING', Constraint, Aligned) -> SzConstr = asn1ct_imm:effective_constraint(bitstring, Constraint), Imm = asn1ct_imm:per_dec_octet_string(SzConstr, Aligned), - {convert,binary_to_list,Imm}; + case asn1ct:use_legacy_types() of + false -> {convert,{binary,copy},Imm}; + true -> {convert,binary_to_list,Imm} + end; gen_dec_imm_1('TeletexString', _Constraint, Aligned) -> gen_dec_restricted_string(Aligned); gen_dec_imm_1('T61String', _Constraint, Aligned) -> @@ -1103,35 +405,6 @@ gen_dec_prim(Erule, Type, BytesVar) -> Imm = gen_dec_imm(Erule, Type), asn1ct_imm:dec_code_gen(Imm, BytesVar). -is_already_generated(Operation,Name) -> - case get(class_default_type) of - undefined -> - put(class_default_type,[{Operation,Name}]), - false; - GeneratedList -> - case lists:member({Operation,Name},GeneratedList) of - true -> - true; - false -> - put(class_default_type,[{Operation,Name}|GeneratedList]), - false - end - end. - -get_class_fields(#classdef{typespec=ObjClass}) -> - ObjClass#objectclass.fields; -get_class_fields(#objectclass{fields=Fields}) -> - Fields; -get_class_fields(_) -> - []. - - -get_object_field(Name,ObjectFields) -> - case lists:keysearch(Name,1,ObjectFields) of - {value,Field} -> Field; - false -> false - end. - %% For PER the ExtensionAdditionGroup notation has significance for the encoding and decoding %% the components within the ExtensionAdditionGroup is treated in a similar way as if they @@ -1170,11 +443,8 @@ imm_dec_open_type_1(Type, Aligned) -> asn1ct_name:new(tmpval), emit(["begin",nl, "{",{curr,tmpval},",_} = ", - "dec_",Type,"(",OpenType,", mandatory),",nl, + {asis,dec_func(Type)},"(",OpenType,"),",nl, "{",{curr,tmpval},com,Buf,"}",nl, "end"]) end, {call,D,asn1ct_imm:per_dec_open_type(Aligned)}. - -eval_module(per) -> asn1ct_eval_per; -eval_module(uper) -> asn1ct_eval_uper. diff --git a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl deleted file mode 100644 index 012d54e7a1..0000000000 --- a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl +++ /dev/null @@ -1,461 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2002-2013. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% -%% --module(asn1ct_gen_per_rt2ct). - -%% Handle encoding of primitives for aligned PER. - --include("asn1_records.hrl"). - --export([gen_encode_prim/3]). - --import(asn1ct_gen, [emit/1,demit/1]). --import(asn1ct_func, [call/3]). - -gen_encode_prim(Erules, #type{}=D, Value) -> - Constraint = D#type.constraint, - case D#type.def of - 'INTEGER' -> - EffectiveConstr = effective_constraint(integer,Constraint), - emit([" %%INTEGER with effective constraint: ", - {asis,EffectiveConstr},nl]), - emit_enc_integer(Erules,EffectiveConstr,Value); - {'INTEGER',NamedNumberList} -> - EffectiveConstr = effective_constraint(integer,Constraint), - %% maybe an emit_enc_NNL_integer - emit([" %%INTEGER with effective constraint: ", - {asis,EffectiveConstr},nl]), - emit_enc_integer_NNL(Erules,EffectiveConstr,Value,NamedNumberList); - 'REAL' -> - emit_enc_real(Erules, Value); - - {'BIT STRING',NamedNumberList} -> - EffectiveC = effective_constraint(bitstring,Constraint), - case EffectiveC of - 0 -> - emit({"[]"}); - _ -> - call(Erules, encode_bit_string, - [{asis,EffectiveC},Value, - {asis,NamedNumberList}]) - end; - 'NULL' -> - emit("[]"); - 'OBJECT IDENTIFIER' -> - call(Erules, encode_object_identifier, [Value]); - 'RELATIVE-OID' -> - call(Erules, encode_relative_oid, [Value]); - 'ObjectDescriptor' -> - call(Erules, encode_ObjectDescriptor, - [{asis,Constraint},Value]); - 'BOOLEAN' -> - emit({"case ",Value," of",nl, - " true -> [1];",nl, - " false -> [0];",nl, - " _ -> exit({error,{asn1,{encode_boolean,",Value,"}}})",nl, - "end"}); - 'OCTET STRING' -> - emit_enc_octet_string(Erules,Constraint,Value); - - 'NumericString' -> - emit_enc_known_multiplier_string('NumericString',Constraint,Value); - TString when TString == 'TeletexString'; - TString == 'T61String' -> - call(Erules, encode_TeletexString, [{asis,Constraint},Value]); - 'VideotexString' -> - call(Erules, encode_VideotexString, [{asis,Constraint},Value]); - 'UTCTime' -> - emit_enc_known_multiplier_string('VisibleString',Constraint,Value); - 'GeneralizedTime' -> - emit_enc_known_multiplier_string('VisibleString',Constraint,Value); - 'GraphicString' -> - call(Erules, encode_GraphicString, [{asis,Constraint},Value]); - 'VisibleString' -> - emit_enc_known_multiplier_string('VisibleString',Constraint,Value); - 'GeneralString' -> - call(Erules, encode_GeneralString, [{asis,Constraint},Value]); - 'PrintableString' -> - emit_enc_known_multiplier_string('PrintableString',Constraint,Value); - 'IA5String' -> - emit_enc_known_multiplier_string('IA5String',Constraint,Value); - 'BMPString' -> - emit_enc_known_multiplier_string('BMPString',Constraint,Value); - 'UniversalString' -> - emit_enc_known_multiplier_string('UniversalString',Constraint,Value); - 'UTF8String' -> - call(Erules, encode_UTF8String, [Value]); - 'ASN1_OPEN_TYPE' -> - NewValue = case Constraint of - [#'Externaltypereference'{type=Tname}] -> - asn1ct_func:need({Erules,complete,1}), - io_lib:format( - "complete(enc_~s(~s))",[Tname,Value]); - [#type{def=#'Externaltypereference'{type=Tname}}] -> - asn1ct_func:need({Erules,complete,1}), - io_lib:format( - "complete(enc_~s(~s))", - [Tname,Value]); - _ -> - io_lib:format("iolist_to_binary(~s)", - [Value]) - end, - call(Erules, encode_open_type, [NewValue]) - end. - -emit_enc_real(Erules, Real) -> - asn1ct_name:new(tmpval), - asn1ct_name:new(tmplen), - emit(["begin",nl, - "{",{curr,tmpval},com,{curr,tmplen},"} = ", - {call,real_common,encode_real,[Real]},com,nl, - "[",{call,Erules,encode_length,[{curr,tmplen}]},",",nl, - {call,Erules,octets_to_complete, - [{curr,tmplen},{curr,tmpval}]},"]",nl, - "end"]). - -emit_enc_known_multiplier_string(StringType,C,Value) -> - SizeC = effective_constraint(bitstring, C), - PAlphabC = get_constraint(C,'PermittedAlphabet'), - case {StringType,PAlphabC} of - {'UniversalString',{_,_}} -> - exit({error,{asn1,{'not implemented',"UniversalString with " - "PermittedAlphabet constraint"}}}); - {'BMPString',{_,_}} -> - exit({error,{asn1,{'not implemented',"BMPString with " - "PermittedAlphabet constraint"}}}); - _ -> ok - end, - NumBits = get_NumBits(C,StringType), - CharOutTab = get_CharOutTab(C,StringType), - %% NunBits and CharOutTab for chars_encode - emit_enc_k_m_string(SizeC, NumBits, CharOutTab, Value). - -emit_enc_k_m_string(0, _NumBits, _CharOutTab, _Value) -> - emit({"[]"}); -emit_enc_k_m_string(SizeC, NumBits, CharOutTab, Value) -> - call(per, encode_known_multiplier_string, - [{asis,SizeC},NumBits,{asis,CharOutTab},Value]). - - -%% copied from run time module - -get_CharOutTab(C, StringType) -> - case get_constraint(C,'PermittedAlphabet') of - {'SingleValue',Sv} -> - get_CharTab2(C, StringType, hd(Sv), lists:max(Sv), Sv); - no -> - case StringType of - 'IA5String' -> - {0,16#7F,notab}; - 'VisibleString' -> - get_CharTab2(C, StringType, 16#20, 16#7F, notab); - 'PrintableString' -> - Chars = lists:sort( - " '()+,-./0123456789:=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), - get_CharTab2(C, StringType, hd(Chars), - lists:max(Chars), Chars); - 'NumericString' -> - get_CharTab2(C, StringType, 16#20, $9, " 0123456789"); - 'UniversalString' -> - {0,16#FFFFFFFF,notab}; - 'BMPString' -> - {0,16#FFFF,notab} - end - end. - -get_CharTab2(C, StringType, Min, Max, Chars) -> - BitValMax = (1 bsl get_NumBits(C,StringType))-1, - if - Max =< BitValMax -> - {0,Max,notab}; - true -> - {Min,Max,create_char_tab(Min,Chars)} - end. - -create_char_tab(Min,L) -> - list_to_tuple(create_char_tab(Min,L,0)). -create_char_tab(Min,[Min|T],V) -> - [V|create_char_tab(Min+1,T,V+1)]; -create_char_tab(_Min,[],_V) -> - []; -create_char_tab(Min,L,V) -> - [false|create_char_tab(Min+1,L,V)]. - -get_NumBits(C,StringType) -> - case get_constraint(C,'PermittedAlphabet') of - {'SingleValue',Sv} -> - charbits(length(Sv),aligned); - no -> - case StringType of - 'IA5String' -> - charbits(128,aligned); % 16#00..16#7F - 'VisibleString' -> - charbits(95,aligned); % 16#20..16#7E - 'PrintableString' -> - charbits(74,aligned); % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z - 'NumericString' -> - charbits(11,aligned); % $ ,"0123456789" - 'UniversalString' -> - 32; - 'BMPString' -> - 16 - end - end. - -charbits(NumOfChars,aligned) -> - case charbits(NumOfChars) of - 1 -> 1; - 2 -> 2; - B when B =< 4 -> 4; - B when B =< 8 -> 8; - B when B =< 16 -> 16; - B when B =< 32 -> 32 - end. - -charbits(NumOfChars) when NumOfChars =< 2 -> 1; -charbits(NumOfChars) when NumOfChars =< 4 -> 2; -charbits(NumOfChars) when NumOfChars =< 8 -> 3; -charbits(NumOfChars) when NumOfChars =< 16 -> 4; -charbits(NumOfChars) when NumOfChars =< 32 -> 5; -charbits(NumOfChars) when NumOfChars =< 64 -> 6; -charbits(NumOfChars) when NumOfChars =< 128 -> 7; -charbits(NumOfChars) when NumOfChars =< 256 -> 8; -charbits(NumOfChars) when NumOfChars =< 512 -> 9; -charbits(NumOfChars) when NumOfChars =< 1024 -> 10; -charbits(NumOfChars) when NumOfChars =< 2048 -> 11; -charbits(NumOfChars) when NumOfChars =< 4096 -> 12; -charbits(NumOfChars) when NumOfChars =< 8192 -> 13; -charbits(NumOfChars) when NumOfChars =< 16384 -> 14; -charbits(NumOfChars) when NumOfChars =< 32768 -> 15; -charbits(NumOfChars) when NumOfChars =< 65536 -> 16; -charbits(NumOfChars) when is_integer(NumOfChars) -> - 16 + charbits1(NumOfChars bsr 16). - -charbits1(0) -> - 0; -charbits1(NumOfChars) -> - 1 + charbits1(NumOfChars bsr 1). - -%% copied from run time module - -emit_enc_octet_string(Erules, Constraint, Value) -> - case effective_constraint(bitstring, Constraint) of - 0 -> - emit({" []"}); - 1 -> - asn1ct_name:new(tmpval), - emit({" begin",nl}), - emit({" [",{curr,tmpval},"] = ",Value,",",nl}), - emit([" [[10,8],",{curr,tmpval},"]",nl]), - emit(" end"); - 2 -> - asn1ct_name:new(tmpval), - emit([" begin",nl, - " ",{curr,tmpval}," = ",Value,",",nl, - " case length(",{curr,tmpval},") of",nl, - " 2 ->",nl, - " [[45,16,2]|",{curr,tmpval},"];",nl, - " _ ->",nl, - " exit({error,{value_out_of_bounds,", - {curr,tmpval},"}})",nl, - " end",nl, - " end"]); - Sv when is_integer(Sv), Sv < 256 -> - asn1ct_name:new(tmpval), - asn1ct_name:new(tmplen), - emit([" begin",nl, - " ",{curr,tmpval}," = ",Value,",",nl, - " case length(",{curr,tmpval},") of",nl, - " ",Sv,"=",{curr,tmplen}," ->",nl, - " [20,",{curr,tmplen},"|",{curr,tmpval},"];",nl, - " _ ->",nl, - " exit({error,{value_out_of_bounds,", - {curr,tmpval},"}})",nl, - " end",nl, - " end"]); - Sv when is_integer(Sv),Sv =< 65535 -> - asn1ct_name:new(tmpval), - asn1ct_name:new(tmplen), - emit([" begin",nl, - " ",{curr,tmpval}," = ",Value,",",nl, - " case length(",{curr,tmpval},") of",nl, - " ",Sv,"=",{curr,tmplen}," ->",nl, - " [<<21,",{curr,tmplen},":16>>|",Value,"];",nl, - " _ ->",nl, - " exit({error,{value_out_of_bounds,", - {curr,tmpval},"}})",nl, - " end",nl, - " end"]); - C -> - call(Erules, encode_octet_string, - [{asis,C},Value]) - end. - -emit_enc_integer_case(Value) -> - case get(component_type) of - {true,#'ComponentType'{prop=Prop}} -> - emit({" begin",nl}), - case Prop of - Opt when Opt=='OPTIONAL'; - is_tuple(Opt),element(1,Opt)=='DEFAULT' -> - emit({" case ",Value," of",nl}), - ok; - _ -> - emit({" ",{curr,tmpval},"=",Value,",",nl}), - emit({" case ",{curr,tmpval}," of",nl}), - asn1ct_name:new(tmpval) - end; -% asn1ct_name:new(tmpval); - _ -> - emit({" case ",Value," of ",nl}) - end. -emit_enc_integer_end_case() -> - case get(component_type) of - {true,_} -> - emit({nl," end"}); % end of begin ... end - _ -> ok - end. - - -emit_enc_integer_NNL(Erules,C,Value,NNL) -> - EncVal = enc_integer_NNL_cases(Value,NNL), - emit_enc_integer(Erules,C,EncVal). - -enc_integer_NNL_cases(Value,NNL) -> - asn1ct_name:new(tmpval), - TmpVal = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)), - Cases=enc_integer_NNL_cases1(NNL), - lists:flatten(io_lib:format("(case ~s of "++Cases++ - "~s when is_atom(~s)->exit({error,{asn1,{namednumber,~s}}});_->~s end)",[Value,TmpVal,TmpVal,TmpVal,Value])). - -enc_integer_NNL_cases1([{NNo,No}|Rest]) -> - io_lib:format("~w->~w;",[NNo,No])++enc_integer_NNL_cases1(Rest); -enc_integer_NNL_cases1([]) -> - "". - -emit_enc_integer(_Erule,[{'SingleValue',Int}],Value) -> - asn1ct_name:new(tmpval), - emit_enc_integer_case(Value),% emit([" case ",Value," of",nl]), - emit([" ",Int," -> [];",nl]), - emit([" ",{curr,tmpval}," ->",nl]), - emit([" exit({error,{value_out_of_bounds,",{curr,tmpval},"}})", - nl," end",nl]), - emit_enc_integer_end_case(); - -emit_enc_integer(_Erule,[{_,{Lb,Ub},_Range,{bits,NoBs}}],Value) -> % Range =< 255 - asn1ct_name:new(tmpval), - emit_enc_integer_case(Value), - emit([" ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",", - {curr,tmpval},">=",Lb," ->",nl]), - emit([" [10,",NoBs,",",{curr,tmpval},"- ",Lb,"];",nl]), - emit([" ",{curr,tmpval}," ->",nl]), - emit([" exit({error,{value_out_of_bounds,", - {curr,tmpval},"}})",nl," end",nl]), - emit_enc_integer_end_case(); - -emit_enc_integer(_Erule,[{_,{Lb,Ub},Range,_}],Value) when Range =< 256 -> - asn1ct_name:new(tmpval), - emit_enc_integer_case(Value), - emit([" ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",", - {curr,tmpval},">=",Lb," ->",nl]), - emit([" [20,1,",{curr,tmpval},"- ",Lb,"];",nl]), - emit([" ",{curr,tmpval}," ->",nl]), - emit([" exit({error,{value_out_of_bounds,",{curr,tmpval},"}})", - nl," end",nl]), - emit_enc_integer_end_case(); - -emit_enc_integer(_Erule,[{_,{Lb,Ub},Range,_}],Value) when Range =< 65536 -> - asn1ct_name:new(tmpval), - emit_enc_integer_case(Value), - emit([" ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",", - {curr,tmpval},">=",Lb," ->",nl]), - emit([" [20,2,<<(",{curr,tmpval},"- ",Lb,"):16>>];",nl]), - emit([" ",{curr,tmpval}," ->",nl]), - emit([" exit({error,{value_out_of_bounds,",{curr,tmpval},"}})", - nl," end",nl]), - emit_enc_integer_end_case(); - -emit_enc_integer(Erule, [{'ValueRange',{Lb,Ub}=VR}], Value) - when is_integer(Lb), is_integer(Ub) -> - call(Erule, encode_constrained_number, [{asis,VR},Value]); - -emit_enc_integer(Erule, C, Value) -> - call(Erule, encode_integer, [{asis,C},Value]). - - -get_constraint([{Key,V}],Key) -> - V; -get_constraint([],_) -> - no; -get_constraint(C,Key) -> - case lists:keysearch(Key,1,C) of - false -> - no; - {value,{_,V}} -> - V - end. - -%% effective_constraint(Type,C) -%% Type = atom() -%% C = [C1,...] -%% C1 = {'SingleValue',SV} | {'ValueRange',VR} | {atom(),term()} -%% SV = integer() | [integer(),...] -%% VR = {Lb,Ub} -%% Lb = 'MIN' | integer() -%% Ub = 'MAX' | integer() -%% Returns a single value if C only has a single value constraint, and no -%% value range constraints, that constrains to a single value, otherwise -%% returns a value range that has the lower bound set to the lowest value -%% of all single values and lower bound values in C and the upper bound to -%% the greatest value. -effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension - [C]; %% [C|effective_constraint(integer,Rest)]; XXX what is possible ??? -effective_constraint(integer,C) -> - pre_encode(integer, asn1ct_imm:effective_constraint(integer, C)); -effective_constraint(bitstring,C) -> - asn1ct_imm:effective_constraint(bitstring, C). - -pre_encode(integer,[]) -> - []; -pre_encode(integer,C=[{'SingleValue',_}]) -> - C; -pre_encode(integer,C=[{'ValueRange',VR={Lb,Ub}}]) when is_integer(Lb),is_integer(Ub)-> - Range = Ub-Lb+1, - if - Range =< 255 -> - NoBits = no_bits(Range), - [{'ValueRange',VR,Range,{bits,NoBits}}]; - Range =< 256 -> - [{'ValueRange',VR,Range,{octets,1}}]; - Range =< 65536 -> - [{'ValueRange',VR,Range,{octets,2}}]; - true -> - C - end; -pre_encode(integer,C) -> - C. - -no_bits(2) -> 1; -no_bits(N) when N=<4 -> 2; -no_bits(N) when N=<8 -> 3; -no_bits(N) when N=<16 -> 4; -no_bits(N) when N=<32 -> 5; -no_bits(N) when N=<64 -> 6; -no_bits(N) when N=<128 -> 7; -no_bits(N) when N=<255 -> 8. diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl index bf362db843..8b96242c56 100644 --- a/lib/asn1/src/asn1ct_imm.erl +++ b/lib/asn1/src/asn1ct_imm.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -26,6 +27,20 @@ per_dec_octet_string/2,per_dec_open_type/1,per_dec_real/1, per_dec_restricted_string/1]). -export([per_dec_constrained/3,per_dec_normally_small_number/1]). +-export([per_enc_bit_string/4,per_enc_legacy_bit_string/4, + per_enc_boolean/2, + per_enc_choice/3,per_enc_enumerated/3, + per_enc_integer/3,per_enc_integer/4, + per_enc_null/2, + per_enc_k_m_string/4,per_enc_octet_string/3, + per_enc_legacy_octet_string/3, + per_enc_open_type/2, + per_enc_restricted_string/3, + per_enc_small_number/2]). +-export([per_enc_extension_bit/2,per_enc_extensions/4,per_enc_optional/3]). +-export([per_enc_sof/5]). +-export([enc_absent/3,enc_append/1,enc_element/2]). +-export([enc_cg/2]). -export([optimize_alignment/1,optimize_alignment/2, dec_slim_cg/2,dec_code_gen/2]). -export([effective_constraint/2]). @@ -68,15 +83,8 @@ per_dec_enumerated(NamedList0, Aligned) -> Ub = length(NamedList0) - 1, Constraint = [{'ValueRange',{0,Ub}}], Int = per_dec_integer(Constraint, Aligned), - EnumTail = case matched_range(Int) of - {0,Ub} -> - %% The error case can never happen. - []; - _ -> - [enum_error] - end, - NamedList = per_dec_enumerated_fix_list(NamedList0, EnumTail, 0), - {map,Int,NamedList}. + NamedList = per_dec_enumerated_fix_list(NamedList0, [enum_error], 0), + {map,Int,opt_map(NamedList, Int)}. per_dec_enumerated(BaseNamedList, NamedListExt0, Aligned) -> Base = per_dec_enumerated(BaseNamedList, Aligned), @@ -110,34 +118,23 @@ per_dec_length(no, AllowZero, Aligned) -> per_dec_named_integer(Constraint, NamedList0, Aligned) -> Int = per_dec_integer(Constraint, Aligned), NamedList = [{K,V} || {V,K} <- NamedList0] ++ [integer_default], - {map,Int,NamedList}. + {map,Int,opt_map(NamedList, Int)}. per_dec_k_m_string(StringType, Constraint, Aligned) -> SzConstr = effective_constraint(bitstring, Constraint), N = string_num_bits(StringType, Constraint, Aligned), - %% X.691 (07/2002) 27.5.7 says if the upper bound times the number - %% of bits is greater than or equal to 16, then the bit field should - %% be aligned. - Imm = dec_string(SzConstr, N, Aligned, fun(_, Ub) -> Ub >= 16 end), + Imm = dec_string(SzConstr, N, Aligned, k_m_string), Chars = char_tab(Constraint, StringType, N), convert_string(N, Chars, Imm). per_dec_octet_string(Constraint, Aligned) -> - dec_string(Constraint, 8, Aligned, - %% Aligned unless the size is fixed and =< 16. - fun(Sv, Sv) -> Sv > 16; - (_, _) -> true - end). + dec_string(Constraint, 8, Aligned, 'OCTET STRING'). per_dec_raw_bitstring(Constraint, Aligned) -> - dec_string(Constraint, 1, Aligned, - fun(Sv, Sv) -> Sv > 16; - (_, _) -> true - end). + dec_string(Constraint, 1, Aligned, 'BIT STRING'). per_dec_open_type(Aligned) -> - {get_bits,decode_unconstrained_length(true, Aligned), - [8,binary,{align,Aligned}]}. + dec_string(no, 8, Aligned, open_type). per_dec_real(Aligned) -> Dec = fun(V, Buf) -> @@ -152,26 +149,332 @@ per_dec_restricted_string(Aligned) -> DecLen = decode_unconstrained_length(true, Aligned), {get_bits,DecLen,[8,binary]}. +%%% +%%% Encoding. +%%% + +per_enc_bit_string(Val, [], Constraint0, Aligned) -> + {B,[[],Bits]} = mk_vars([], [bits]), + Constraint = effective_constraint(bitstring, Constraint0), + B ++ [{call,erlang,bit_size,[Val],Bits}| + per_enc_length(Val, 1, Bits, Constraint, Aligned, 'BIT STRING')]; +per_enc_bit_string(Val0, NNL0, Constraint0, Aligned) -> + {B,[Val,Bs,Bits,Positions]} = mk_vars(Val0, [bs,bits,positions]), + NNL = lists:keysort(2, NNL0), + Constraint = effective_constraint(bitstring, Constraint0), + ExtraArgs = case constr_min_size(Constraint) of + no -> []; + Lb -> [Lb] + end, + ToBs = case ExtraArgs of + [] -> + {call,per_common,bs_drop_trailing_zeroes,[Val]}; + [0] -> + {call,per_common,bs_drop_trailing_zeroes,[Val]}; + [Lower] -> + {call,per_common,adjust_trailing_zeroes,[Val,Lower]} + end, + B ++ [{'try', + [bit_string_name2pos_fun(NNL, Val)], + {Positions, + [{call,per_common,bitstring_from_positions, + [Positions|ExtraArgs]}]}, + [ToBs],Bs}, + {call,erlang,bit_size,[Bs],Bits}| + per_enc_length(Bs, 1, Bits, Constraint, Aligned, 'BIT STRING')]. + +per_enc_legacy_bit_string(Val0, [], Constraint0, Aligned) -> + {B,[Val,Bs,Bits]} = mk_vars(Val0, [bs,bits]), + Constraint = effective_constraint(bitstring, Constraint0), + ExtraArgs = case constr_min_size(Constraint) of + no -> []; + Lb -> [Lb] + end, + B ++ [{call,per_common,to_bitstring,[Val|ExtraArgs],Bs}, + {call,erlang,bit_size,[Bs],Bits}| + per_enc_length(Bs, 1, Bits, Constraint, Aligned, 'BIT STRING')]; +per_enc_legacy_bit_string(Val0, NNL0, Constraint0, Aligned) -> + {B,[Val,Bs,Bits,Positions]} = mk_vars(Val0, [bs,bits,positions]), + NNL = lists:keysort(2, NNL0), + Constraint = effective_constraint(bitstring, Constraint0), + ExtraArgs = case constr_min_size(Constraint) of + no -> []; + 0 -> []; + Lb -> [Lb] + end, + B ++ [{'try', + [bit_string_name2pos_fun(NNL, Val)], + {Positions, + [{call,per_common,bitstring_from_positions, + [Positions|ExtraArgs]}]}, + [{call,per_common,to_named_bitstring,[Val|ExtraArgs]}],Bs}, + {call,erlang,bit_size,[Bs],Bits}| + per_enc_length(Bs, 1, Bits, Constraint, Aligned, 'BIT STRING')]. + +per_enc_boolean(Val0, _Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + B++build_cond([[{eq,Val,false},{put_bits,0,1,[1]}], + [{eq,Val,true},{put_bits,1,1,[1]}]]). + +per_enc_choice(Val0, Cs0, _Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + Cs = [[{eq,Val,Tag}|opt_choice(Imm)] || {Tag,Imm} <- Cs0], + B++build_cond(Cs). + +per_enc_enumerated(Val0, {Root,Ext}, Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + Constr = enumerated_constraint(Root), + RootCs = per_enc_enumerated_root(Root, [{put_bits,0,1,[1]}], + Val, Constr, Aligned), + ExtCs = per_enc_enumerated_ext(Ext, Val, Aligned), + B++[{'cond',RootCs++ExtCs++enumerated_error(Val)}]; +per_enc_enumerated(Val0, Root, Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + Constr = enumerated_constraint(Root), + Cs = per_enc_enumerated_root(Root, [], Val, Constr, Aligned), + B++[{'cond',Cs++enumerated_error(Val)}]. + +enumerated_error(Val) -> + [['_',{error,Val}]]. + +per_enc_integer(Val0, Constraint0, Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + Constraint = effective_constraint(integer, Constraint0), + B ++ per_enc_integer_1(Val, Constraint, Aligned). + +per_enc_integer(Val0, NNL, Constraint0, Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + Constraint = effective_constraint(integer, Constraint0), + Cs = [[{eq,Val,N}|per_enc_integer_1(V, Constraint, Aligned)] || + {N,V} <- NNL], + case per_enc_integer_1(Val, Constraint, Aligned) of + [{'cond',IntCs}] -> + B ++ [{'cond',Cs++IntCs}]; + Other -> + B ++ [{'cond',Cs++[['_'|Other]]}] + end. + +per_enc_null(_Val, _Aligned) -> + []. + +per_enc_k_m_string(Val0, StringType, Constraint, Aligned) -> + {B,[Val,Bin,Len]} = mk_vars(Val0, [bin,len]), + SzConstraint = effective_constraint(bitstring, Constraint), + Unit = string_num_bits(StringType, Constraint, Aligned), + Chars0 = char_tab(Constraint, StringType, Unit), + Enc = case Unit of + 16 -> + {call,per_common,encode_chars_16bit,[Val],Bin}; + 32 -> + {call,per_common,encode_big_chars,[Val],Bin}; + 8 -> + {call,erlang,list_to_binary,[Val],Bin}; + _ -> + case enc_char_tab(Chars0) of + notab -> + {call,per_common,encode_chars,[Val,Unit],Bin}; + {tab,Tab} -> + {call,per_common,encode_chars,[Val,Unit,Tab],Bin}; + {compact_map,Map} -> + {call,per_common,encode_chars_compact_map, + [Val,Unit,Map],Bin} + end + end, + case Unit of + 8 -> + B ++ [Enc,{call,erlang,byte_size,[Bin],Len}]; + _ -> + B ++ [{call,erlang,length,[Val],Len},Enc] + end ++ per_enc_length(Bin, Unit, Len, SzConstraint, Aligned, k_m_string). + +per_enc_open_type(Imm0, Aligned) -> + Imm = case Aligned of + true -> + %% Temporarily make the implicit 'align' done by + %% complete/1 explicit to facilitate later + %% optimizations: the absence of 'align' can be used + %% as an indication that complete/1 can be replaced + %% with a cheaper operation such as + %% iolist_to_binary/1. The redundant 'align' will be + %% optimized away later. + Imm0 ++ [{put_bits,0,0,[1,align]}]; + false -> + Imm0 + end, + {[],[[],Val,Len,Bin]} = mk_vars([], [output,len,bin]), + [{list,Imm,Val}, + {call,enc_mod(Aligned),complete,[Val],Bin}, + {call,erlang,byte_size,[Bin],Len}| + per_enc_length(Bin, 8, Len, Aligned)]. + +per_enc_octet_string(Bin, Constraint0, Aligned) -> + {B,[[],Len]} = mk_vars([], [len]), + Constraint = effective_constraint(bitstring, Constraint0), + B ++ [{call,erlang,byte_size,[Bin],Len}| + per_enc_length(Bin, 8, Len, Constraint, Aligned, 'OCTET STRING')]. + +per_enc_legacy_octet_string(Val0, Constraint0, Aligned) -> + {B,[Val,Bin,Len]} = mk_vars(Val0, [bin,len]), + Constraint = effective_constraint(bitstring, Constraint0), + B ++ [{call,erlang,iolist_to_binary,[Val],Bin}, + {call,erlang,byte_size,[Bin],Len}| + per_enc_length(Bin, 8, Len, Constraint, Aligned, 'OCTET STRING')]. + +per_enc_restricted_string(Val0, {M,F}, Aligned) -> + {B,[Val,Bin,Len]} = mk_vars(Val0, [bin,len]), + B ++ [{call,M,F,[Val],Bin}, + {call,erlang,byte_size,[Bin],Len}| + per_enc_length(Bin, 8, Len, Aligned)]. + +per_enc_small_number(Val, Aligned) -> + build_cond([[{lt,Val,64},{put_bits,Val,7,[1]}], + ['_',{put_bits,1,1,[1]}| + per_enc_unsigned(Val, Aligned)]]). + +per_enc_extension_bit(Val0, _Aligned) -> + {B,[Val]} = mk_vars(Val0, []), + B++build_cond([[{eq,Val,[]},{put_bits,0,1,[1]}], + ['_',{put_bits,1,1,[1]}]]). + +per_enc_extensions(Val0, Pos0, NumBits, Aligned) when NumBits > 0 -> + Pos = Pos0 + 1, + {B,[Val,Bitmap]} = mk_vars(Val0, [bitmap]), + Length = per_enc_small_length(NumBits, Aligned), + PutBits = case NumBits of + 1 -> [{put_bits,1,1,[1]}]; + _ -> [{put_bits,Bitmap,NumBits,[1]}] + end, + B++[{call,per_common,extension_bitmap,[Val,Pos,Pos+NumBits],Bitmap}, + {list,[{'cond',[[{eq,Bitmap,0}], + ['_'|Length ++ PutBits]]}], + {var,"Extensions"}}]. + +per_enc_optional(Val0, {Pos,DefVals}, _Aligned) when is_integer(Pos), + is_list(DefVals) -> + {B,Val} = enc_element(Pos, Val0), + Zero = {put_bits,0,1,[1]}, + One = {put_bits,1,1,[1]}, + B++[{'cond', + [[{eq,Val,DefVal},Zero] || DefVal <- DefVals] ++ [['_',One]]}]; +per_enc_optional(Val0, {Pos,{call,M,F,A}}, _Aligned) when is_integer(Pos) -> + {B,Val} = enc_element(Pos, Val0), + {[],[[],Tmp]} = mk_vars([], [tmp]), + Zero = {put_bits,0,1,[1]}, + One = {put_bits,1,1,[1]}, + B++[{call,M,F,[Val|A],Tmp}, + {'cond', + [[{eq,Tmp,true},Zero],['_',One]]}]; +per_enc_optional(Val0, Pos, _Aligned) when is_integer(Pos) -> + {B,Val} = enc_element(Pos, Val0), + Zero = {put_bits,0,1,[1]}, + One = {put_bits,1,1,[1]}, + B++[{'cond',[[{eq,Val,asn1_NOVALUE},Zero], + ['_',One]]}]. + +per_enc_sof(Val0, Constraint, ElementVar, ElementImm, Aligned) -> + {B,[Val,Len]} = mk_vars(Val0, [len]), + SzConstraint = effective_constraint(bitstring, Constraint), + LenImm = enc_length(Len, SzConstraint, Aligned), + Lc0 = [{lc,ElementImm,{var,atom_to_list(ElementVar)},Val}], + Lc = opt_lc(Lc0, LenImm), + PreBlock = B ++ [{call,erlang,length,[Val],Len}], + case LenImm of + [{'cond',[[C|Action]]}] -> + PreBlock ++ [{'cond',[[C|Action++Lc]]}]; + [{sub,_,_,_}=Sub,{'cond',[[C|Action]]}] -> + PreBlock ++ + [Sub,{'cond',[[C|Action++Lc]]}]; + EncLen -> + PreBlock ++ EncLen ++ Lc + end. + +enc_absent(Val0, {call,M,F,A}, Body) -> + {B,[Var,Tmp]} = mk_vars(Val0, [tmp]), + B++[{call,M,F,[Var|A],Tmp}, + {'cond', + [[{eq,Tmp,true}],['_'|Body]]}]; +enc_absent(Val0, AbsVals, Body) when is_list(AbsVals) -> + {B,[Var]} = mk_vars(Val0, []), + Cs = [[{eq,Var,Aval}] || Aval <- AbsVals] ++ [['_'|Body]], + B++build_cond(Cs). + +enc_append([[]|T]) -> + enc_append(T); +enc_append([[{put_bits,_,_,_}|_]=Pb|[Imm|T]=T0]) -> + case opt_choice(Pb++Imm) of + [{put_bits,_,_,_}|_] -> + [{block,Pb}|enc_append(T0)]; + Opt -> + enc_append([Opt|T]) + end; +enc_append([Imm0|[Imm1|T]=T0]) -> + try combine_imms(Imm0, Imm1) of + Imm -> + enc_append([Imm|T]) + catch + throw:impossible -> + [{block,Imm0}|enc_append(T0)] + end; +enc_append([H|T]) -> + [{block,H}|enc_append(T)]; +enc_append([]) -> []. + +enc_element(N, Val0) -> + {[],[Val,Dst]} = mk_vars(Val0, [element]), + {[{call,erlang,element,[N,Val],Dst}],Dst}. + +enc_cg(Imm0, false) -> + Imm1 = enc_cse(Imm0), + Imm2 = enc_pre_cg(Imm1), + Imm = enc_opt(Imm2), + enc_cg(Imm); +enc_cg(Imm0, true) -> + Imm1 = enc_cse(Imm0), + Imm2 = enc_hoist_align(Imm1), + Imm3 = enc_opt_al(Imm2), + Imm4 = per_fixup(Imm3), + Imm5 = enc_pre_cg(Imm4), + Imm = enc_opt(Imm5), + enc_cg(Imm). %%% %%% Local functions. %%% -dec_string(Sv, U, Aligned0, AF) when is_integer(Sv) -> +%% is_aligned(StringType, LowerBound, UpperBound) -> boolean() +%% StringType = 'OCTET STRING' | 'BIT STRING' | k_m_string +%% LowerBound = UpperBound = number of bits +%% Determine whether a string should be aligned in PER. + +is_aligned(T, Lb, Ub) when T =:= 'OCTET STRING'; T =:= 'BIT STRING' -> + %% OCTET STRINGs and BIT STRINGs are aligned to a byte boundary + %% unless the size is fixed and less than or equal to 16 bits. + Lb =/= Ub orelse Lb > 16; +is_aligned(k_m_string, _Lb, Ub) -> + %% X.691 (07/2002) 27.5.7 says if the upper bound times the number + %% of bits is greater than or equal to 16, then the bit field should + %% be aligned. + Ub >= 16. + +%%% +%%% Generating the intermediate format format for decoding. +%%% + +dec_string(Sv, U, Aligned0, T) when is_integer(Sv) -> Bits = U*Sv, - Aligned = Aligned0 andalso AF(Bits, Bits), + Aligned = Aligned0 andalso is_aligned(T, Bits, Bits), {get_bits,Sv,[U,binary,{align,Aligned}]}; -dec_string({{Sv,Sv},[]}, U, Aligned, AF) -> - bit_case(dec_string(Sv, U, Aligned, AF), - dec_string(no, U, Aligned, AF)); -dec_string({{_,_}=C,[]}, U, Aligned, AF) -> - bit_case(dec_string(C, U, Aligned, AF), - dec_string(no, U, Aligned, AF)); -dec_string({Lb,Ub}, U, Aligned0, AF) -> +dec_string({{Sv,Sv},[]}, U, Aligned, T) -> + bit_case(dec_string(Sv, U, Aligned, T), + dec_string(no, U, Aligned, T)); +dec_string({{_,_}=C,[]}, U, Aligned, T) -> + bit_case(dec_string(C, U, Aligned, T), + dec_string(no, U, Aligned, T)); +dec_string({Lb,Ub}, U, Aligned0, T) -> Len = per_dec_constrained(Lb, Ub, Aligned0), - Aligned = Aligned0 andalso AF(Lb*U, Ub*U), + Aligned = Aligned0 andalso is_aligned(T, Lb*U, Ub*U), {get_bits,Len,[U,binary,{align,Aligned}]}; -dec_string(_, U, Aligned, _AF) -> +dec_string(_, U, Aligned, _T) -> Al = [{align,Aligned}], DecRest = fun(V, Buf) -> asn1ct_func:call(per_common, @@ -197,6 +500,8 @@ per_dec_enumerated_fix_list([], Tail, _) -> Tail. per_dec_integer_1([{'SingleValue',Value}], _Aligned) -> {value,Value}; +per_dec_integer_1([{'ValueRange',{'MIN',_}}], Aligned) -> + per_dec_unconstrained(Aligned); per_dec_integer_1([{'ValueRange',{Lb,'MAX'}}], Aligned) when is_integer(Lb) -> per_decode_semi_constrained(Lb, Aligned); per_dec_integer_1([{'ValueRange',{Lb,Ub}}], Aligned) when is_integer(Lb), @@ -279,14 +584,42 @@ per_num_bits(N) when N =< 64 -> 6; per_num_bits(N) when N =< 128 -> 7; per_num_bits(N) when N =< 255 -> 8. +opt_map(Map, Imm) -> + case matched_range(Imm) of + unknown -> Map; + {Lb,Ub} -> opt_map_1(Map, Lb, Ub) + end. + +opt_map_1([{I,_}=Pair|T], Lb, Ub) -> + if + I =:= Lb, I =< Ub -> + [Pair|opt_map_1(T, Lb+1, Ub)]; + Lb < I, I =< Ub -> + [Pair|opt_map_1(T, Lb, Ub)]; + true -> + opt_map_1(T, Lb, Ub) + end; +opt_map_1(Map, Lb, Ub) -> + if + Lb =< Ub -> + Map; + true -> + [] + end. + matched_range({get_bits,Bits0,[U|Flags]}) when is_integer(U) -> - case lists:member(signed, Flags) of - false -> + case not lists:member(signed, Flags) andalso is_integer(Bits0) of + true -> Bits = U*Bits0, {0,(1 bsl Bits) - 1}; - true -> + false -> unknown end; +matched_range({add,Imm,Add}) -> + case matched_range(Imm) of + unknown -> unknown; + {Lb,Ub} -> {Lb+Add,Ub+Add} + end; matched_range(_Op) -> unknown. string_num_bits(StringType, Constraint, Aligned) -> @@ -608,6 +941,9 @@ dcg_list_outside([{call,Fun,{V,Buf},{Dst,DstBuf}}|T]) -> emit(["{",Dst,",",DstBuf,"} = "]), Fun(V, Buf), iter_dcg_list_outside(T); +dcg_list_outside([{convert,{M,F},V,Dst}|T]) -> + emit([Dst," = ",{asis,M},":",{asis,F},"(",V,")"]), + iter_dcg_list_outside(T); dcg_list_outside([{convert,Op,V,Dst}|T]) -> emit([Dst," = ",Op,"(",V,")"]), iter_dcg_list_outside(T); @@ -692,6 +1028,1706 @@ mk_dest(I) when is_integer(I) -> integer_to_list(I); mk_dest(S) -> S. +%%% +%%% Constructing the intermediate format for encoding. +%%% + +split_off_nonbuilding(Imm) -> + lists:splitwith(fun is_nonbuilding/1, Imm). + +is_nonbuilding({assign,_,_}) -> true; +is_nonbuilding({call,_,_,_,_}) -> true; +is_nonbuilding({lc,_,_,_,_}) -> true; +is_nonbuilding({set,_,_}) -> true; +is_nonbuilding({list,_,_}) -> true; +is_nonbuilding({sub,_,_,_}) -> true; +is_nonbuilding({'try',_,_,_,_}) -> true; +is_nonbuilding(_) -> false. + +mk_vars(Input0, Temps) -> + asn1ct_name:new(enc), + Curr = asn1ct_name:curr(enc), + [H|T] = atom_to_list(Curr), + Base = [H - ($a - $A)|T ++ "@"], + case Input0 of + {var,Name} when is_list(Name) -> + {[],[Input0|mk_vars_1(Base, Temps)]}; + [] -> + {[],[Input0|mk_vars_1(Base, Temps)]}; + _ when is_integer(Input0) -> + {[],[Input0|mk_vars_1(Base, Temps)]} + end. + +mk_vars_1(Base, Vars) -> + [mk_var(Base, V) || V <- Vars]. + +mk_var(Base, V) -> + {var,Base ++ atom_to_list(V)}. + +per_enc_integer_1(Val, [], Aligned) -> + [{'cond',[['_'|per_enc_unconstrained(Val, Aligned)]]}]; +per_enc_integer_1(Val, [{{'SingleValue',[_|_]=Svs}=Constr,[]}], Aligned) -> + %% An extensible constraint such as (1|17, ...). + %% + %% A subtle detail is that the extension root as described in the + %% ASN.1 spec should be used to determine whether a particular value + %% belongs to the extension root (as opposed to the effective + %% constraint, which will be used for the actual encoding). + %% + %% So for the example above, only the integers 1 and 17 should be + %% encoded as root values (extension bit = 0). + + [{'ValueRange',{Lb,Ub}}] = effective_constraint(integer, [Constr]), + Root = [begin + {[],_,Put} = per_enc_constrained(Sv, Lb, Ub, Aligned), + [{eq,Val,Sv},{put_bits,0,1,[1]}|Put] + end || Sv <- Svs], + Cs = Root ++ [['_',{put_bits,1,1,[1]}| + per_enc_unconstrained(Val, Aligned)]], + build_cond(Cs); +per_enc_integer_1(Val0, [{{_,_}=Constr,[]}], Aligned) -> + {Prefix,Check,Action} = per_enc_integer_2(Val0, Constr, Aligned), + Prefix++build_cond([[Check,{put_bits,0,1,[1]}|Action], + ['_',{put_bits,1,1,[1]}| + per_enc_unconstrained(Val0, Aligned)]]); +per_enc_integer_1(Val0, [Constr], Aligned) -> + {Prefix,Check,Action} = per_enc_integer_2(Val0, Constr, Aligned), + Prefix++build_cond([[Check|Action], + ['_',{error,Val0}]]). + +per_enc_integer_2(Val, {'SingleValue',Sv}, Aligned) when is_integer(Sv) -> + per_enc_constrained(Val, Sv, Sv, Aligned); +per_enc_integer_2(Val, {'ValueRange',{'MIN',Ub}}, Aligned) + when is_integer(Ub) -> + {[],{lt,Val,Ub+1},per_enc_unconstrained(Val, Aligned)}; +per_enc_integer_2(Val0, {'ValueRange',{Lb,'MAX'}}, Aligned) + when is_integer(Lb) -> + {Prefix,Val} = sub_lb(Val0, Lb), + {Prefix,{ge,Val,0},per_enc_unsigned(Val, Aligned)}; +per_enc_integer_2(Val, {'ValueRange',{Lb,Ub}}, Aligned) + when is_integer(Lb), is_integer(Ub) -> + per_enc_constrained(Val, Lb, Ub, Aligned). + +per_enc_constrained(Val, Sv, Sv, _Aligned) -> + {[],{eq,Val,Sv},[]}; +per_enc_constrained(Val0, Lb, Ub, false) -> + {Prefix,Val} = sub_lb(Val0, Lb), + Range = Ub - Lb + 1, + NumBits = uper_num_bits(Range), + Check = {ult,Val,Range}, + Put = [{put_bits,Val,NumBits,[1]}], + {Prefix,Check,Put}; +per_enc_constrained(Val0, Lb, Ub, true) -> + {Prefix,Val} = sub_lb(Val0, Lb), + Range = Ub - Lb + 1, + Check = {ult,Val,Range}, + if + Range < 256 -> + NumBits = per_num_bits(Range), + Put = [{put_bits,Val,NumBits,[1]}], + {Prefix,Check,Put}; + Range =:= 256 -> + NumBits = 8, + Put = [{put_bits,Val,NumBits,[1,align]}], + {Prefix,Check,Put}; + Range =< 65536 -> + Put = [{put_bits,Val,16,[1,align]}], + {Prefix,Check,Put}; + true -> + RangeOctsLen = byte_size(binary:encode_unsigned(Range - 1)), + BitsNeeded = per_num_bits(RangeOctsLen), + {Prefix,Check,per_enc_constrained_huge(BitsNeeded, Val)} + end. + +per_enc_constrained_huge(BitsNeeded, {var,VarBase}=Val) -> + Bin = {var,VarBase++"@bin"}, + BinSize0 = {var,VarBase++"@bin_size0"}, + BinSize = {var,VarBase++"@bin_size"}, + [{call,binary,encode_unsigned,[Val],Bin}, + {call,erlang,byte_size,[Bin],BinSize0}, + {sub,BinSize0,1,BinSize}, + {'cond',[['_', + {put_bits,BinSize,BitsNeeded,[1]}, + {put_bits,Bin,binary,[8,align]}]]}]; +per_enc_constrained_huge(BitsNeeded, Val) when is_integer(Val) -> + Bin = binary:encode_unsigned(Val), + BinSize = erlang:byte_size(Bin), + [{put_bits,BinSize-1,BitsNeeded,[1]}, + {put_bits,Val,8*BinSize,[1,align]}]. + +per_enc_unconstrained(Val, Aligned) -> + case Aligned of + false -> []; + true -> [{put_bits,0,0,[1,align]}] + end ++ [{call,per_common,encode_unconstrained_number,[Val]}]. + +per_enc_unsigned(Val, Aligned) -> + case is_integer(Val) of + false -> + {var,VarBase} = Val, + Bin = {var,VarBase++"@bin"}, + BinSize = {var,VarBase++"@bin_size"}, + [{call,binary,encode_unsigned,[Val],Bin}, + {call,erlang,byte_size,[Bin],BinSize}| + per_enc_length(Bin, 8, BinSize, Aligned)]; + true -> + Bin = binary:encode_unsigned(Val), + Len = byte_size(Bin), + per_enc_length(Bin, 8, Len, Aligned) + end. + +%% Encode a length field without any constraint. +per_enc_length(Bin, Unit, Len, Aligned) -> + U = unit(1, Aligned), + PutBits = put_bits_binary(Bin, Unit, Aligned), + EncFragmented = {call,per_common,encode_fragmented,[Bin,Unit]}, + Al = case Aligned of + false -> []; + true -> [{put_bits,0,0,[1,align]}] + end, + build_cond([[{lt,Len,128}, + {put_bits,Len,8,U},PutBits], + [{lt,Len,16384}, + {put_bits,2,2,U},{put_bits,Len,14,[1]},PutBits], + ['_'|Al++[EncFragmented]]]). + +per_enc_length(Bin, Unit, Len, no, Aligned, _Type) -> + per_enc_length(Bin, Unit, Len, Aligned); +per_enc_length(Bin, Unit, Len, {{Lb,Ub},[]}, Aligned, Type) -> + {Prefix,Check,PutLen} = per_enc_constrained(Len, Lb, Ub, Aligned), + NoExt = {put_bits,0,1,[1]}, + U = unit(Unit, Aligned, Type, Lb*Unit, Ub*Unit), + PutBits = [{put_bits,Bin,binary,U}], + [{'cond',ExtConds0}] = per_enc_length(Bin, Unit, Len, Aligned), + Ext = {put_bits,1,1,[1]}, + ExtConds = prepend_to_cond(ExtConds0, Ext), + build_length_cond(Prefix, [[Check,NoExt|PutLen++PutBits]|ExtConds]); +per_enc_length(Bin, Unit, Len, {Lb,Ub}, Aligned, Type) + when is_integer(Lb) -> + {Prefix,Check,PutLen} = per_enc_constrained(Len, Lb, Ub, Aligned), + U = unit(Unit, Aligned, Type, Lb*Unit, Ub*Unit), + PutBits = [{put_bits,Bin,binary,U}], + build_length_cond(Prefix, [[Check|PutLen++PutBits]]); +per_enc_length(Bin, Unit0, Len, Sv, Aligned, Type) when is_integer(Sv) -> + NumBits = Sv*Unit0, + Unit = case NumBits rem 8 of + 0 -> + %% Help out the alignment optimizer. + 8; + _ -> + Unit0 + end, + U = unit(Unit, Aligned, Type, NumBits, NumBits), + Pb = {put_bits,Bin,binary,U}, + [{'cond',[[{eq,Len,Sv},Pb]]}]. + +enc_length(Len, no, Aligned) -> + U = unit(1, Aligned), + build_cond([[{lt,Len,128}, + {put_bits,Len,8,U}], + [{lt,Len,16384}, + {put_bits,2,2,U},{put_bits,Len,14,[1]}]]); +enc_length(Len, {{Lb,Ub},[]}, Aligned) -> + {Prefix,Check,PutLen} = per_enc_constrained(Len, Lb, Ub, Aligned), + NoExt = {put_bits,0,1,[1]}, + [{'cond',ExtConds0}] = enc_length(Len, no, Aligned), + Ext = {put_bits,1,1,[1]}, + ExtConds = prepend_to_cond(ExtConds0, Ext), + build_length_cond(Prefix, [[Check,NoExt|PutLen]|ExtConds]); +enc_length(Len, {Lb,Ub}, Aligned) when is_integer(Lb) -> + {Prefix,Check,PutLen} = per_enc_constrained(Len, Lb, Ub, Aligned), + build_length_cond(Prefix, [[Check|PutLen]]); +enc_length(Len, Sv, _Aligned) when is_integer(Sv) -> + [{'cond',[[{eq,Len,Sv}]]}]. + +put_bits_binary(Bin, _Unit, Aligned) when is_binary(Bin) -> + Sz = byte_size(Bin), + <<Int:Sz/unit:8>> = Bin, + {put_bits,Int,8*Sz,unit(1, Aligned)}; +put_bits_binary(Bin, Unit, Aligned) -> + {put_bits,Bin,binary,unit(Unit, Aligned)}. + +sub_lb(Val, 0) -> + {[],Val}; +sub_lb({var,Var}=Val0, Lb) -> + Val = {var,Var++"@sub"}, + {[{sub,Val0,Lb,Val}],Val}; +sub_lb(Val, Lb) when is_integer(Val) -> + {[],Val-Lb}. + +build_length_cond([{sub,Var0,Base,Var}]=Prefix, Cs) -> + %% Non-zero lower bound, such as: SIZE (50..200, ...) + Prefix++[{'cond',opt_length_nzlb(Cs, {Var0,Var,Base}, 0)}]; +build_length_cond([], Cs) -> + %% Zero lower bound, such as: SIZE (0..200, ...) + [{'cond',opt_length_zlb(Cs, 0)}]. + +opt_length_zlb([[{ult,Var,Val}|Actions]|T], Ub) -> + %% Since the SIZE constraint is zero-based, Var + %% must be greater than zero, and we can use + %% the slightly cheaper signed less than operator. + opt_length_zlb([[{lt,Var,Val}|Actions]|T], Ub); +opt_length_zlb([[{lt,_,Val}|_]=H|T], Ub) -> + if + Val =< Ub -> + %% A previous test has already matched. + opt_length_zlb(T, Ub); + true -> + [H|opt_length_zlb(T, max(Ub, Val))] + end; +opt_length_zlb([H|T], Ub) -> + [H|opt_length_zlb(T, Ub)]; +opt_length_zlb([], _) -> []. + +opt_length_nzlb([[{ult,Var,Val}|_]=H|T], {_,Var,Base}=St, _Ub) -> + [H|opt_length_nzlb(T, St, Base+Val)]; +opt_length_nzlb([[{lt,Var0,Val}|_]=H|T], {Var0,_,_}=St, Ub) -> + if + Val =< Ub -> + %% A previous test has already matched. + opt_length_nzlb(T, St, Ub); + true -> + [H|opt_length_nzlb(T, St, Val)] + end; +opt_length_nzlb([H|T], St, Ub) -> + [H|opt_length_nzlb(T, St, Ub)]; +opt_length_nzlb([], _, _) -> []. + +build_cond(Conds0) -> + case eval_cond(Conds0, gb_sets:empty()) of + [['_'|Actions]] -> + Actions; + Conds -> + [{'cond',Conds}] + end. + +eval_cond([['_',{'cond',Cs}]], Seen) -> + eval_cond(Cs, Seen); +eval_cond([[Cond|Actions]=H|T], Seen0) -> + case gb_sets:is_element(Cond, Seen0) of + false -> + Seen = gb_sets:insert(Cond, Seen0), + case eval_cond_1(Cond) of + false -> + eval_cond(T, Seen); + true -> + [['_'|Actions]]; + maybe -> + [H|eval_cond(T, Seen)] + end; + true -> + eval_cond(T, Seen0) + end; +eval_cond([], _) -> []. + +eval_cond_1({ult,I,N}) when is_integer(I), is_integer(N) -> + 0 =< I andalso I < N; +eval_cond_1({eq,[],[]}) -> + true; +eval_cond_1({eq,I,N}) when is_integer(I), is_integer(N) -> + I =:= N; +eval_cond_1({ge,I,N}) when is_integer(I), is_integer(N) -> + I >= N; +eval_cond_1({lt,I,N}) when is_integer(I), is_integer(N) -> + I < N; +eval_cond_1(_) -> maybe. + +prepend_to_cond([H|T], Code) -> + [prepend_to_cond_1(H, Code)|prepend_to_cond(T, Code)]; +prepend_to_cond([], _) -> []. + +prepend_to_cond_1([Check|T], Code) -> + [Check,Code|T]. + +enc_char_tab(notab) -> + notab; +enc_char_tab(Tab0) -> + Tab1 = tuple_to_list(Tab0), + First = hd(Tab1), + Tab = enc_char_tab_1(Tab1, First, 0), + case lists:member(ill, Tab) of + false -> + {compact_map,{First,tuple_size(Tab0)}}; + true -> + {tab,{First-1,list_to_tuple(Tab)}} + end. + +enc_char_tab_1([H|T], H, I) -> + [I|enc_char_tab_1(T, H+1, I+1)]; +enc_char_tab_1([_|_]=T, H, I) -> + [ill|enc_char_tab_1(T, H+1, I)]; +enc_char_tab_1([], _, _) -> []. + +enumerated_constraint([_]) -> + [{'SingleValue',0}]; +enumerated_constraint(Root) -> + [{'ValueRange',{0,length(Root)-1}}]. + +per_enc_enumerated_root(NNL, Prefix, Val, Constr, Aligned) -> + per_enc_enumerated_root_1(NNL, Prefix, Val, Constr, Aligned, 0). + +per_enc_enumerated_root_1([{H,_}|T], Prefix, Val, Constr, Aligned, N) -> + [[{eq,Val,H}|Prefix++per_enc_integer_1(N, Constr, Aligned)]| + per_enc_enumerated_root_1(T, Prefix, Val, Constr, Aligned, N+1)]; +per_enc_enumerated_root_1([], _, _, _, _, _) -> []. + +per_enc_enumerated_ext(NNL, Val, Aligned) -> + per_enc_enumerated_ext_1(NNL, Val, Aligned, 0). + +per_enc_enumerated_ext_1([{H,_}|T], Val, Aligned, N) -> + [[{eq,Val,H},{put_bits,1,1,[1]}|per_enc_small_number(N, Aligned)]| + per_enc_enumerated_ext_1(T, Val, Aligned, N+1)]; +per_enc_enumerated_ext_1([], _, _, _) -> []. + +per_enc_small_length(Val0, Aligned) -> + {Sub,Val} = sub_lb(Val0, 1), + U = unit(1, Aligned), + Sub ++ build_cond([[{lt,Val,64},{put_bits,Val,7,[1]}], + [{lt,Val0,128},{put_bits,1,1,[1]}, + {put_bits,Val0,8,U}], + ['_',{put_bits,1,1,[1]}, + {put_bits,2,2,U},{put_bits,Val0,14,[1]}]]). + +constr_min_size(no) -> no; +constr_min_size({{Lb,_},[]}) when is_integer(Lb) -> Lb; +constr_min_size({Lb,_}) when is_integer(Lb) -> Lb; +constr_min_size(Sv) when is_integer(Sv) -> Sv. + +enc_mod(false) -> uper; +enc_mod(true) -> per. + +unit(U, false) -> [U]; +unit(U, true) -> [U,align]. + +unit(U, Aligned, Type, Lb, Ub) -> + case Aligned andalso is_aligned(Type, Lb, Ub) of + true -> [U,align]; + false -> [U] + end. + +opt_choice(Imm) -> + {Pb,T0} = lists:splitwith(fun({put_bits,V,_,_}) when is_integer(V) -> + true; + (_) -> + false + end, Imm), + try + {Prefix,T} = split_off_nonbuilding(T0), + Prefix ++ opt_choice_1(T, Pb) + catch + throw:impossible -> + Imm + end. + +opt_choice_1([{'cond',Cs0}], Pb) -> + case Cs0 of + [[C|Act]] -> + [{'cond',[[C|Pb++Act]]}]; + [[C|Act],['_',{error,_}]=Error] -> + [{'cond',[[C|Pb++Act],Error]}]; + _ -> + [{'cond',opt_choice_2(Cs0, Pb)}] + end; +opt_choice_1(_, _) -> throw(impossible). + +opt_choice_2([[C|[{put_bits,_,_,_}|_]=Act]|T], Pb) -> + [[C|Pb++Act]|opt_choice_2(T, Pb)]; +opt_choice_2([[_,{error,_}]=H|T], Pb) -> + [H|opt_choice_2(T, Pb)]; +opt_choice_2([_|_], _) -> + throw(impossible); +opt_choice_2([], _) -> []. + +%%% +%%% Optimize list comprehensions (SEQUENCE OF/SET OF). +%%% + +opt_lc([{lc,[{call,erlang,iolist_to_binary,[Var],Bin}, + {call,erlang,byte_size,[Bin],LenVar}, + {'cond',[[{eq,LenVar,Len},{put_bits,Bin,_,[_|Align]}]]}], + Var,Val}]=Lc, LenImm) -> + %% Given a sequence of a fixed length string, such as + %% SEQUENCE OF OCTET STRING (SIZE (4)), attempt to rewrite to + %% a list comprehension that just checks the size, followed by + %% a conversion to binary: + %% + %% _ = [if length(Comp) =:= 4; byte_size(Comp) =:= 4 -> [] end || + %% Comp <- Sof], + %% [align|iolist_to_binary(Sof)] + + CheckImm = [{'cond',[[{eq,{expr,"length("++mk_val(Var)++")"},Len}], + [{eq,{expr,"byte_size("++mk_val(Var)++")"},Len}]]}], + Al = case Align of + [] -> + []; + [align] -> + [{put_bits,0,0,[1|Align]}] + end, + case Al =:= [] orelse + is_end_aligned(LenImm) orelse + lb_is_nonzero(LenImm) of + false -> + %% Not possible because an empty SEQUENCE OF would be + %% improperly aligned. Example: + %% + %% SEQUENCE (SIZE (0..3)) OF ... + + Lc; + true -> + %% Examples: + %% + %% SEQUENCE (SIZE (1..4)) OF ... + %% (OK because there must be at least one element) + %% + %% SEQUENCE OF ... + %% (OK because the length field will force alignment) + %% + Al ++ [{lc,CheckImm,Var,Val,{var,"_"}}, + {call,erlang,iolist_to_binary,[Val]}] + end; +opt_lc([{lc,ElementImm0,V,L}]=Lc, LenImm) -> + %% Attempt to hoist the alignment, putting after the length + %% and before the list comprehension: + %% + %% [Length, + %% align, + %% [Encode(Comp) || Comp <- Sof]] + %% + + case enc_opt_al_1(ElementImm0, 0) of + {ElementImm,0} -> + case is_end_aligned(LenImm) orelse + (is_beginning_aligned(ElementImm0) andalso + lb_is_nonzero(LenImm)) of + false -> + %% Examples: + %% + %% SEQUENCE (SIZE (0..3)) OF OCTET STRING + %% (An empty SEQUENCE OF would be improperly aligned) + %% + %% SEQUENCE (SIZE (1..3)) OF OCTET STRING (SIZE (0..4)) + %% (There would be an improper alignment before the + %% first element) + + Lc; + true -> + %% Examples: + %% + %% SEQUENCE OF INTEGER + %% SEQUENCE (SIZE (1..4)) OF INTEGER + %% SEQUENCE (SIZE (1..4)) OF INTEGER (0..256) + + [{put_bits,0,0,[1,align]},{lc,ElementImm,V,L}] + end; + _ -> + %% Unknown alignment, no alignment, or not aligned at the end. + %% Examples: + %% + %% SEQUENCE OF SomeConstructedType + %% SEQUENCE OF INTEGER (0..15) + + Lc + end. + +is_beginning_aligned([{'cond',Cs}]) -> + lists:all(fun([_|Act]) -> is_beginning_aligned(Act) end, Cs); +is_beginning_aligned([{error,_}|_]) -> true; +is_beginning_aligned([{put_bits,_,_,U}|_]) -> + case U of + [_,align] -> true; + [_] -> false + end; +is_beginning_aligned(Imm0) -> + case split_off_nonbuilding(Imm0) of + {[],_} -> false; + {[_|_],Imm} -> is_beginning_aligned(Imm) + end. + +is_end_aligned(Imm) -> + case enc_opt_al_1(Imm, unknown) of + {_,0} -> true; + {_,_} -> false + end. + +lb_is_nonzero([{sub,_,_,_}|_]) -> true; +lb_is_nonzero(_) -> false. + +%%% +%%% Attempt to combine two chunks of intermediate code. +%%% + +combine_imms(ImmA0, ImmB0) -> + {Prefix0,ImmA} = split_off_nonbuilding(ImmA0), + {Prefix1,ImmB} = split_off_nonbuilding(ImmB0), + Prefix = Prefix0 ++ Prefix1, + Combined = do_combine(ImmA ++ ImmB, 3.0), + Prefix ++ Combined. + +do_combine([{error,_}=Imm|_], _Budget) -> + [Imm]; +do_combine([{'cond',Cs0}|T], Budget0) -> + Budget = debit(Budget0, num_clauses(Cs0, 0)), + Cs = [[C|do_combine(Act++T, Budget)] || [C|Act] <- Cs0], + [{'cond',Cs}]; +do_combine([{put_bits,V,_,_}|_]=L, Budget) when is_integer(V) -> + {Pb,T} = collect_put_bits(L), + do_combine_put_bits(Pb, T,Budget); +do_combine(_, _) -> + throw(impossible). + +do_combine_put_bits(Pb, [], _Budget) -> + Pb; +do_combine_put_bits(Pb, [{'cond',Cs0}|T], Budget) -> + Cs = [case Act of + [{error,_}] -> + [C|Act]; + _ -> + [C|do_combine(Pb++Act, Budget)] + end || [C|Act] <- Cs0], + do_combine([{'cond',Cs}|T], Budget); +do_combine_put_bits(_, _, _) -> + throw(impossible). + +debit(Budget0, Alternatives) -> + case Budget0 - math:log2(Alternatives) of + Budget when Budget > 0.0 -> + Budget; + _ -> + throw(impossible) + end. + +num_clauses([[_,{error,_}]|T], N) -> + num_clauses(T, N); +num_clauses([_|T], N) -> + num_clauses(T, N+1); +num_clauses([], N) -> N. + + +collect_put_bits(Imm) -> + lists:splitwith(fun({put_bits,V,_,_}) when is_integer(V) -> true; + (_) -> false + end, Imm). + +%%% +%%% Simple common subexpression elimination to avoid fetching +%%% the same element twice. +%%% + +enc_cse([{call,erlang,element,Args,V}=H|T]) -> + [H|enc_cse_1(T, Args, V)]; +enc_cse(Imm) -> Imm. + +enc_cse_1([{call,erlang,element,Args,Dst}|T], Args, V) -> + [{set,V,Dst}|enc_cse_1(T, Args, V)]; +enc_cse_1([{block,Bl}|T], Args, V) -> + [{block,enc_cse_1(Bl, Args, V)}|enc_cse_1(T, Args, V)]; +enc_cse_1([H|T], Args, V) -> + [H|enc_cse_1(T, Args, V)]; +enc_cse_1([], _, _) -> []. + + +%%% +%%% Pre-process the intermediate code to simplify code generation. +%%% + +enc_pre_cg(Imm) -> + enc_pre_cg_1(Imm, outside_list, in_seq). + +enc_pre_cg_1([], _StL, _StB) -> + nil; +enc_pre_cg_1([H], StL, StB) -> + enc_pre_cg_2(H, StL, StB); +enc_pre_cg_1([H0|T0], StL, StB) -> + case is_nonbuilding(H0) of + true -> + H = enc_pre_cg_nonbuilding(H0, StL), + Seq = {seq,H,enc_pre_cg_1(T0, StL, in_seq)}, + case StB of + outside_seq -> {block,Seq}; + in_seq -> Seq + end; + false -> + H = enc_pre_cg_2(H0, in_head, outside_seq), + T = enc_pre_cg_1(T0, in_tail, outside_seq), + enc_make_cons(H, T) + end. + +enc_pre_cg_2(align, StL, _StB) -> + case StL of + in_head -> align; + in_tail -> {cons,align,nil} + end; +enc_pre_cg_2({apply,_,_}=Imm, _, _) -> + Imm; +enc_pre_cg_2({block,Bl0}, StL, StB) -> + enc_pre_cg_1(Bl0, StL, StB); +enc_pre_cg_2({call,_,_,_}=Imm, _, _) -> + Imm; +enc_pre_cg_2({call_gen,_,_,_,_,_}=Imm, _, _) -> + Imm; +enc_pre_cg_2({'cond',Cs0}, StL, _StB) -> + Cs = [{C,enc_pre_cg_1(Act, StL, outside_seq)} || [C|Act] <- Cs0], + {'cond',Cs}; +enc_pre_cg_2({error,_}=E, _, _) -> + E; +enc_pre_cg_2({lc,B0,V,L}, StL, _StB) -> + B = enc_pre_cg_1(B0, StL, outside_seq), + {lc,B,V,L}; +enc_pre_cg_2({put_bits,V,8,[1]}, StL, _StB) -> + case StL of + in_head -> {integer,V}; + in_tail -> {cons,{integer,V},nil}; + outside_list -> {cons,{integer,V},nil} + end; +enc_pre_cg_2({put_bits,V,binary,_}, _StL, _StB) -> + V; +enc_pre_cg_2({put_bits,_,_,[_]}=PutBits, _StL, _StB) -> + {binary,[PutBits]}; +enc_pre_cg_2({var,_}=Imm, _, _) -> Imm. + +enc_make_cons({binary,H}, {binary,T}) -> + {binary,H++T}; +enc_make_cons({binary,H0}, {cons,{binary,H1},T}) -> + enc_make_cons({binary,H0++H1}, T); +enc_make_cons({binary,H}, {cons,{integer,Int},T}) -> + enc_make_cons({binary,H++[{put_bits,Int,8,[1]}]}, T); +enc_make_cons({integer,Int}, {binary,T}) -> + {binary,[{put_bits,Int,8,[1]}|T]}; +enc_make_cons({integer,Int}, {cons,{binary,H},T}) -> + enc_make_cons({binary,[{put_bits,Int,8,[1]}|H]}, T); +enc_make_cons(H, T) -> + {cons,H,T}. + +enc_pre_cg_nonbuilding({lc,B0,Var,List,Dst}, StL) -> + B = enc_pre_cg_1(B0, StL, outside_seq), + {lc,B,Var,List,Dst}; +enc_pre_cg_nonbuilding({list,List0,Dst}, _StL) -> + List = enc_pre_cg_1(List0, outside_list, outside_seq), + {list,List,Dst}; +enc_pre_cg_nonbuilding({'try',Try0,{P,Succ0},Else0,Dst}, StL) -> + Try = enc_pre_cg_1(Try0, StL, outside_seq), + Succ = enc_pre_cg_1(Succ0, StL, outside_seq), + Else = enc_pre_cg_1(Else0, StL, outside_seq), + {'try',Try,{P,Succ},Else,Dst}; +enc_pre_cg_nonbuilding(Imm, _) -> Imm. + +%%% +%%% Optimize calls to complete/1 and surrounding code. There are +%%% several opportunities for optimizations. +%%% +%%% It may be possible to replace the call to complete/1 with +%%% something cheaper (most important for the PER back-end which has +%%% an expensive complete/1 implementation). If we can be sure that +%%% complete/1 will be called with an iolist (no 'align' atoms or +%%% bitstrings in the list), we can call iolist_to_binary/1 +%%% instead. If the list may include bitstrings, we can can call +%%% list_to_bitstring/1 (note that list_to_bitstring/1 does not accept +%%% a binary or bitstring, so we MUST be sure that we only pass it a +%%% list). If complete/1 is called with a binary, we can omit the +%%% call altogether. +%%% +%%% A call to byte_size/1 that follows complete/1 can be eliminated +%%% if the size of the binary produced by complete/1 can be determined +%%% and is constant. +%%% +%%% The code that encodes the length descriptor (a 'cond' instruction) +%%% for a binary produced by complete/1 can be simplified if the lower +%%% and upper bounds for the size of the binary are known. +%%% + +-record(ost, + {sym, + t + }). + +enc_opt(Imm0) -> + {Imm,_} = enc_opt(Imm0, #ost{sym=gb_trees:empty()}), + Imm. + +enc_opt(align, St) -> + {align,St#ost{t=t_align({0,7})}}; +enc_opt({apply,What,As}, St) -> + {{apply,What,subst_list(As, St)},St#ost{t=t_any()}}; +enc_opt({assign,_,_}=Imm, St) -> + {Imm,St}; +enc_opt({binary,PutBits0}, St) -> + PutBits = [{put_bits,subst(V, St),Sz,F} || + {put_bits,V,Sz,F} <- PutBits0], + NumBits = lists:foldl(fun({put_bits,_,Bits,_}, Sum) -> + Sum+Bits + end, 0, PutBits), + {{binary,PutBits},St#ost{t=t_bitstring(NumBits)}}; +enc_opt({block,Bl0}, St0) -> + {Bl,St} = enc_opt(Bl0, St0), + {{block,Bl},St}; +enc_opt({call,binary,encode_unsigned,[Int],Bin}=Imm, St0) -> + Type = get_type(Int, St0), + St = case t_range(Type) of + any -> + set_type(Bin, t_binary(), St0); + {Lb0,Ub0} -> + Lb = bit_size(binary:encode_unsigned(Lb0)), + Ub = bit_size(binary:encode_unsigned(Ub0)), + set_type(Bin, t_binary({Lb,Ub}), St0) + end, + {Imm,St}; +enc_opt({call,erlang,bit_size,[Bin],Dst}=Imm0, St0) -> + Type = get_type(Bin, St0), + case t_range(Type) of + any -> + St1 = set_type(Bin, t_bitstring(), St0), + St = propagate(Dst, + fun(T, S) -> + bit_size_propagate(Bin, T, S) + end, St1), + {Imm0,St}; + {Lb,Ub}=Range -> + St = set_type(Dst, t_integer(Range), St0), + Imm = case Lb of + Ub -> none; + _ -> Imm0 + end, + {Imm,St} + end; +enc_opt({call,erlang,byte_size,[Bin],Dst}=Imm0, St0) -> + Type = get_type(Bin, St0), + case t_range(Type) of + any -> + St1 = set_type(Bin, t_binary(), St0), + St = propagate(Dst, + fun(T, S) -> + byte_size_propagate(Bin, T, S) + end, St1), + {Imm0,St}; + {Lb0,Ub0} -> + Lb = (Lb0+7) div 8, + Ub = (Ub0+7) div 8, + St = set_type(Dst, t_integer({Lb,Ub}), St0), + Imm = case Lb of + Ub -> none; + _ -> Imm0 + end, + {Imm,St} + end; +enc_opt({call,erlang,iolist_to_binary,_}=Imm, St) -> + {Imm,St#ost{t=t_binary()}}; +enc_opt({call,erlang,length,[List],Dst}=Imm0, St0) -> + St1 = propagate(Dst, + fun(T, S) -> + length_propagate(List, T, S) + end, St0), + {Imm0,St1}; +enc_opt({call,per,complete,[Data],Dst}, St0) -> + Type = get_type(Data, St0), + St = set_type(Dst, t_binary(t_range(Type)), St0), + case t_type(Type) of + binary -> + {{set,Data,Dst},St}; + bitlist -> + %% We KNOW that list_to_bitstring/1 will construct + %% a binary (the number of bits is divisible by 8) + %% because per_enc_open_type/2 added an 'align' atom + %% at the end. If that 'align' atom had not been + %% optimized away, the type would have been 'align' + %% instead of 'bitlist'. + {{call,erlang,list_to_bitstring,[Data],Dst},St}; + iolist -> + {{call,erlang,iolist_to_binary,[Data],Dst},St}; + nil -> + Imm = {list,{binary,[{put_bits,0,8,[1]}]},Dst}, + enc_opt(Imm, St0); + _ -> + {{call,per,complete,[Data],Dst},St} + end; +enc_opt({call,uper,complete,[Data],Dst}, St0) -> + Type = get_type(Data, St0), + St = set_type(Dst, t_binary(t_range(Type)), St0), + case t_type(Type) of + binary -> + {{set,Data,Dst},St0}; + iolist -> + {{call,erlang,iolist_to_binary,[Data],Dst},St}; + nil -> + Imm = {list,{binary,[{put_bits,0,8,[1]}]},Dst}, + enc_opt(Imm, St0); + _ -> + %% 'bitlist' or 'any'. + {{call,uper,complete,[Data],Dst},St} + end; +enc_opt({call,per_common,encode_chars,[List,NumBits|_],Dst}=Imm, St0) -> + %% Note: Never used when NumBits =:= 8 (list_to_binary/1 will + %% be used instead). + St1 = set_type(Dst, t_bitstring(), St0), + St = propagate(List, + fun(T, S) -> + char_propagate(Dst, T, NumBits, S) + end, St1), + {Imm,St}; +enc_opt({call,per_common,encode_chars_16bit,[List],Dst}=Imm, St0) -> + St1 = set_type(Dst, t_binary(), St0), + St = propagate(List, + fun(T, S) -> + char_propagate(Dst, T, 16, S) + end, St1), + {Imm,St}; +enc_opt({call,per_common,encode_big_chars,[List],Dst}=Imm, St0) -> + St1 = set_type(Dst, t_binary(), St0), + St = propagate(List, + fun(T, S) -> + char_propagate(Dst, T, 32, S) + end, St1), + {Imm,St}; +enc_opt({call,per_common,encode_fragmented,[_,Unit]}=Imm, St) -> + T = case Unit rem 8 of + 0 -> t_iolist(); + _ -> t_bitlist() + end, + {Imm,St#ost{t=T}}; +enc_opt({call,per_common,encode_unconstrained_number,_}=Imm, St) -> + {Imm,St#ost{t=t_iolist()}}; +enc_opt({call,per_common,bitstring_from_positions,_}=Imm, St) -> + {Imm,St#ost{t=t_bitstring()}}; +enc_opt({call,per_common,to_named_bitstring,_}=Imm, St) -> + {Imm,St#ost{t=t_bitstring()}}; +enc_opt({call,_,_,_}=Imm, St) -> + {Imm,St#ost{t=t_any()}}; +enc_opt({call,_,_,_,_}=Imm, St) -> + {Imm,St#ost{t=undefined}}; +enc_opt({call_gen,N,K,F,L,As}, St) -> + {{call_gen,N,K,F,L,subst(As, St)},St#ost{t=t_any()}}; +enc_opt({'cond',Cs0}, St0) -> + case enc_opt_cs(Cs0, St0) of + [{'_',Imm,Type}] -> + {Imm,St0#ost{t=Type}}; + [{Cond,Imm,Type0}|Cs1] -> + {Cs,Type} = enc_opt_cond_1(Cs1, Type0, [{Cond,Imm}]), + {{'cond',Cs},St0#ost{t=Type}} + end; +enc_opt({cons,H0,T0}, St0) -> + {H,#ost{t=TypeH}=St1} = enc_opt(H0, St0), + {T,#ost{t=TypeT}=St} = enc_opt(T0, St1), + {{cons,H,T},St#ost{t=t_cons(TypeH, TypeT)}}; +enc_opt({error,_}=Imm, St) -> + {Imm,St#ost{t=t_any()}}; +enc_opt({integer,V}, St) -> + {{integer,subst(V, St)},St#ost{t=t_integer()}}; +enc_opt({lc,E0,B,C}, St) -> + {E,_} = enc_opt(E0, St), + {{lc,E,B,C},St#ost{t=t_any()}}; +enc_opt({lc,E0,B,C,Dst}, St) -> + {E,_} = enc_opt(E0, St), + {{lc,E,B,C,Dst},St#ost{t=undefined}}; +enc_opt({list,Imm0,Dst}, St0) -> + {Imm,#ost{t=Type}=St1} = enc_opt(Imm0, St0), + St = set_type(Dst, Type, St1), + {{list,Imm,Dst},St#ost{t=undefined}}; +enc_opt(nil, St) -> + {nil,St#ost{t=t_nil()}}; +enc_opt({seq,H0,T0}, St0) -> + {H,St1} = enc_opt(H0, St0), + {T,St} = enc_opt(T0, St1), + {enc_opt_seq(H, T),St}; +enc_opt({set,_,_}=Imm, St) -> + {Imm,St#ost{t=undefined}}; +enc_opt({sub,Src0,Int,Dst}, St0) -> + Src = subst(Src0, St0), + Type = get_type(Src, St0), + St = case t_range(Type) of + any -> + propagate(Dst, + fun(T, S) -> + set_type(Src, t_add(T, Int), S) + end, + St0); + {Lb,Ub} -> + set_type(Dst, t_integer({Lb-Int,Ub-Int}), St0) + end, + {{sub,Src,Int,Dst},St#ost{t=undefined}}; +enc_opt({'try',Try0,{P,Succ0},Else0,Dst}, St0) -> + {Try,_} = enc_opt(Try0, St0), + {Succ,_} = enc_opt(Succ0, St0), + {Else,_} = enc_opt(Else0, St0), + {{'try',Try,{P,Succ},Else,Dst},St0#ost{t=undefined}}; +enc_opt({var,_}=Imm, St) -> + Type = get_type(Imm, St), + {subst(Imm, St),St#ost{t=Type}}. + +remove_trailing_align({block,Bl}) -> + {block,remove_trailing_align(Bl)}; +remove_trailing_align({cons,H,{cons,align,nil}}) -> + H; +remove_trailing_align({seq,H,T}) -> + {seq,H,remove_trailing_align(T)}; +remove_trailing_align(Imm) -> Imm. + +enc_opt_seq(none, T) -> + T; +enc_opt_seq({list,Imm,Data}, {seq,{call,per,complete,[Data],_},_}=T) -> + %% Get rid of any explicit 'align' added by per_enc_open_type/2. + {seq,{list,remove_trailing_align(Imm),Data},T}; +enc_opt_seq({call,_,_,_,{var,_}=Dst}=H, T) -> + case is_var_unused(Dst, T) of + false -> {seq,H,T}; + true -> T + end; +enc_opt_seq(H, T) -> + {seq,H,T}. + +is_var_unused(_, align) -> + true; +is_var_unused(V, {call,_,_,Args}) -> + not lists:member(V, Args); +is_var_unused(V, {cons,H,T}) -> + is_var_unused(V, H) andalso is_var_unused(V, T); +is_var_unused(_, _) -> + false. + +bit_size_propagate(Bin, Type, St) -> + case t_range(Type) of + any -> + St; + {Lb,Ub} -> + set_type(Bin, t_bitstring({Lb,Ub}), St) + end. + +byte_size_propagate(Bin, Type, St) -> + case t_range(Type) of + any -> + St; + {Lb,Ub} -> + set_type(Bin, t_binary({Lb*8,Ub*8}), St) + end. + +char_propagate(Dst, T, NumBits, St) -> + case t_range(T) of + any -> + St; + {Sz,Sz} when Sz*NumBits rem 8 =:= 0 -> + Bits = Sz*NumBits, + set_type(Dst, t_binary({Bits,Bits}), St); + {Lb,Ub} -> + Range = {Lb*NumBits,Ub*NumBits}, + case NumBits rem 8 of + 0 -> + set_type(Dst, t_binary(Range), St); + _ -> + set_type(Dst, t_bitstring(Range), St) + end + end. + +length_propagate(List, Type, St) -> + set_type(List, t_list(t_range(Type)), St). + +enc_opt_cond_1([{Cond,{error,_}=Imm,_}|T], St, Acc) -> + enc_opt_cond_1(T, St, [{Cond,Imm}|Acc]); +enc_opt_cond_1([{Cond,Imm,Curr0}|T], Curr1, Acc) -> + Curr = t_join(Curr0, Curr1), + enc_opt_cond_1(T, Curr, [{Cond,Imm}|Acc]); +enc_opt_cond_1([], St, Acc) -> + {lists:reverse(Acc),St}. + +enc_opt_cs([{Cond,Imm0}|T], St0) -> + case eo_eval_cond(Cond, St0) of + false -> + enc_opt_cs(T, St0); + true -> + {Imm,#ost{t=Type}} = enc_opt(Imm0, St0), + [{'_',Imm,Type}]; + maybe -> + St = update_type_info(Cond, St0), + {Imm,#ost{t=Type}} = enc_opt(Imm0, St), + [{Cond,Imm,Type}|enc_opt_cs(T, St0)] + end; +enc_opt_cs([], _) -> []. + +eo_eval_cond('_', _) -> + true; +eo_eval_cond({Op,{var,_}=Var,Val}, St) -> + Type = get_type(Var, St), + case t_range(Type) of + any -> maybe; + {_,_}=Range -> eval_cond_range(Op, Range, Val) + end; +eo_eval_cond({_Op,{expr,_},_Val}, _St) -> maybe. + +eval_cond_range(lt, {Lb,Ub}, Val) -> + if + Ub < Val -> true; + Val =< Lb -> false; + true -> maybe + end; +eval_cond_range(_Op, _Range, _Val) -> maybe. + +update_type_info({ult,{var,_}=Var,Val}, St) -> + Int = t_integer({0,Val-1}), + Type = t_meet(get_type(Var, St), Int), + set_type(Var, Type, St); +update_type_info({lt,{var,_}=Var,Val}, St) -> + Int = t_integer({0,Val-1}), + Type = t_meet(get_type(Var, St), Int), + set_type(Var, Type, St); +update_type_info({eq,{var,_}=Var,Val}, St) when is_integer(Val) -> + Int = t_integer(Val), + Type = t_meet(get_type(Var, St), Int), + set_type(Var, Type, St); +update_type_info({eq,_,_}, St) -> + St; +update_type_info({ge,_,_}, St) -> St. + +subst_list(As, St) -> + [subst(A, St) || A <- As]. + +subst({var,_}=Var, St) -> + Type = get_type(Var, St), + case t_type(Type) of + integer -> + case t_range(Type) of + any -> Var; + {Val,Val} -> Val; + {_,_} -> Var + end; + _ -> + Var + end; +subst(V, _St) -> V. + +set_type({var,Var}, {_,_}=Type, #ost{sym=Sym0}=St0) -> + Sym1 = gb_trees:enter(Var, Type, Sym0), + case gb_trees:lookup({propagate,Var}, Sym1) of + none -> + St0#ost{sym=Sym1}; + {value,Propagate} -> + Sym = gb_trees:delete({propagate,Var}, Sym1), + St = St0#ost{sym=Sym}, + Propagate(Type, St) + end. + +get_type({var,V}, #ost{sym=Sym}) -> + case gb_trees:lookup(V, Sym) of + none -> t_any(); + {value,T} -> T + end. + +propagate({var,Var}, Propagate, #ost{sym=Sym0}=St) when is_function(Propagate, 2) -> + Sym = gb_trees:enter({propagate,Var}, Propagate, Sym0), + St#ost{sym=Sym}. + +%%% +%%% A simple type system. +%%% +%%% Each type descriptions is a tuple {Type,Range}. +%%% Type is one of the following atoms: +%%% +%%% Type name Description +%%% --------- ----------- +%%% any Anything. +%%% +%%% align Basically iodata, but the list may contain bitstrings +%%% and the the atom 'align'. Can be passed to complete/1 +%%% to construct a binary. Only used for aligned PER (per). +%%% +%%% bitstring An Erlang bitstring. +%%% +%%% bitlist A list that may be passed to list_to_bitstring/1 to +%%% construct a bitstring. +%%% NOTE: When analysing aligned PER (per), the number +%%% of bits in the bitlist is always divisible by 8 (if +%%% not, the type will be 'align' instead). +%%% +%%% binary An Erlang binary (the number of bits is divisible by 8). +%%% +%%% iolist An Erlang iolist. +%%% +%%% nil [] +%%% +%%% integer An integer. +%%% +%%% +%%% Range is one of: +%%% +%%% any +%%% {LowerBound,UpperBound} +%%% +%%% + +t_align(Range) -> + {align,t__range(Range)}. + +t_any() -> + {any,any}. + +t_binary() -> + {binary,any}. + +t_binary(Range) -> + {binary,t__range(Range)}. + +t_bitlist() -> + {bitlist,any}. + +t_bitstring() -> + {bitstring,any}. + +t_bitstring(Range0) -> + case t__range(Range0) of + {Bits,Bits}=Range when Bits rem 8 =:= 0 -> + {binary,Range}; + Range -> + {bitstring,Range} + end. + +t_add({integer,{Lb,Ub}}, N) -> + {integer,{Lb+N,Ub+N}}. + +t_cons({_,_}=T1, {_,_}=T2) -> + T = case {t__cons_type(T1),t__cons_type(T2)} of + {_,any} -> any; + {any,_} -> any; + {align,_} -> align; + {_,align} -> align; + {binary,binary} -> iolist; + {binary,bitstring} -> bitlist; + {bitstring,binary} -> bitlist; + {bitstring,bitstring} -> bitlist + end, + {T,t__cons_ranges(t__cons_range(T1), t__cons_range(T2))}. + +t_integer() -> + {integer,any}. + +t_integer(Range) -> + {integer,t__range(Range)}. + +t_iolist() -> + {iolist,any}. + +t_list(Range) -> + {list,t__range(Range)}. + +t_nil() -> + {nil,{0,0}}. + +t_meet({T1,Range1}, {T2,Range2}) -> + {t_meet_types(T1, T2),t_meet_ranges(Range1, Range2)}. + +t_meet_types(integer, integer) -> integer; +t_meet_types(any, integer) -> integer. + +t_meet_ranges(any, Range) -> + Range; +t_meet_ranges({Lb1,Ub1}, {Lb2,Ub2}) -> + if + Lb1 =< Ub2, Lb2 =< Ub1 -> + {max(Lb1, Lb2),Ub1}; + Lb2 =< Ub1, Lb1 =< Ub2 -> + {max(Lb1, Lb2),Ub2} + end. + +t_join({T1,Range1}, {T2,Range2}) -> + T = t_join_types(lists:sort([T1,T2])), + Range = t_join_ranges(Range1, Range2), + {T,Range}. + +t_join_ranges({Lb1,Ub1}, {Lb2,Ub2}) -> + {min(Lb1, Lb2),max(Ub1, Ub2)}; +t_join_ranges(any, _) -> any; +t_join_ranges(_, any) -> any. + +t_join_types([T,T]) -> T; +t_join_types([align,any]) -> any; +t_join_types([align,_]) -> align; +t_join_types([any,_]) -> any; +t_join_types([bitlist,bitstring]) -> any; +t_join_types([bitlist,integer]) -> any; +t_join_types([bitlist,iolist]) -> bitlist; +t_join_types([bitlist,nil]) -> bitlist; +t_join_types([binary,bitlist]) -> bitlist; +t_join_types([binary,bitstring]) -> bitstring; +t_join_types([binary,integer]) -> binary; +t_join_types([binary,iolist]) -> iolist; +t_join_types([binary,nil]) -> iolist; +t_join_types([bitstring,integer]) -> any; +t_join_types([bitstring,iolist]) -> any; +t_join_types([bitstring,nil]) -> any; +t_join_types([integer,_]) -> any; +t_join_types([iolist,nil]) -> iolist. + +t_type({T,_}) -> T. + +t_range({_,Range}) -> Range. + +t__cons_type({align,_}) -> align; +t__cons_type({any,_}) -> any; +t__cons_type({binary,_}) -> binary; +t__cons_type({bitstring,_}) -> bitstring; +t__cons_type({bitlist,_}) -> bitstring; +t__cons_type({integer,_}) -> binary; +t__cons_type({iolist,_}) -> binary; +t__cons_type({nil,_}) -> binary. + +t__cons_range({integer,_}) -> {8,8}; +t__cons_range({_,Range}) -> Range. + +t__cons_ranges({Lb1,Ub1}, {Lb2,Ub2}) -> + {Lb1+Lb2,Ub1+Ub2}; +t__cons_ranges(any, _) -> any; +t__cons_ranges(_, any) -> any. + +t__range({Lb,Ub}=Range) when is_integer(Lb), is_integer(Ub) -> + Range; +t__range(any) -> + any; +t__range(Val) when is_integer(Val) -> + {Val,Val}. + + +%%% +%%% Code generation for encoding. +%%% + +enc_cg({cons,_,_}=Cons) -> + enc_cg_cons(Cons); +enc_cg({block,Imm}) -> + emit(["begin",nl]), + enc_cg(Imm), + emit([nl, + "end"]); +enc_cg({seq,First,Then}) -> + enc_cg(First), + emit([com,nl]), + enc_cg(Then); +enc_cg(align) -> + emit(align); +enc_cg({apply,F0,As0}) -> + As = enc_call_args(As0, ""), + case F0 of + {local,F,_} when is_atom(F) -> + emit([{asis,F},"(",As,")"]); + {M,F,_} -> + emit([{asis,M},":",{asis,F},"(",As,")"]) + end; +enc_cg({assign,Dst0,Expr}) -> + Dst = mk_val(Dst0), + emit([Dst," = ",Expr]); +enc_cg({binary,PutBits}) -> + emit(["<<",enc_cg_put_bits(PutBits, ""),">>"]); +enc_cg({call,M,F,As0}) -> + As = [mk_val(A) || A <- As0], + asn1ct_func:call(M, F, As); +enc_cg({call,M,F,As0,Dst}) -> + As = [mk_val(A) || A <- As0], + emit([mk_val(Dst)," = "]), + asn1ct_func:call(M, F, As); +enc_cg({call_gen,Prefix,Key,Gen,_,As0}) -> + As = [mk_val(A) || A <- As0], + asn1ct_func:call_gen(Prefix, Key, Gen, As); +enc_cg({'cond',Cs}) -> + enc_cg_cond(Cs); +enc_cg({error,Error}) when is_function(Error, 0) -> + Error(); +enc_cg({error,Var0}) -> + Var = mk_val(Var0), + emit(["exit({error,{asn1,{illegal_value,",Var,"}}})"]); +enc_cg({integer,Int}) -> + emit(mk_val(Int)); +enc_cg({lc,Body,Var,List}) -> + emit("["), + enc_cg(Body), + emit([" || ",mk_val(Var)," <- ",mk_val(List),"]"]); +enc_cg({lc,Body,Var,List,Dst}) -> + emit([mk_val(Dst)," = ["]), + enc_cg(Body), + emit([" || ",mk_val(Var)," <- ",mk_val(List),"]"]); +enc_cg({list,List,Dst}) -> + emit([mk_val(Dst)," = "]), + enc_cg(List); +enc_cg(nil) -> + emit("[]"); +enc_cg({sub,Src0,Int,Dst0}) -> + Src = mk_val(Src0), + Dst = mk_val(Dst0), + emit([Dst," = ",Src," - ",Int]); +enc_cg({set,{var,Src},{var,Dst}}) -> + emit([Dst," = ",Src]); +enc_cg({'try',Try,{P,Succ},Else,Dst}) -> + emit([mk_val(Dst)," = try "]), + enc_cg(Try), + emit([" of",nl, + mk_val(P)," ->",nl]), + enc_cg(Succ), + emit([nl, + "catch throw:invalid ->",nl]), + enc_cg(Else), + emit([nl, + "end"]); +enc_cg({var,V}) -> + emit(V). + +enc_cg_cons(Cons) -> + emit("["), + enc_cg_cons_1(Cons), + emit("]"). + +enc_cg_cons_1({cons,H,{cons,_,_}=T}) -> + enc_cg(H), + emit([com,nl]), + enc_cg_cons_1(T); +enc_cg_cons_1({cons,H,nil}) -> + enc_cg(H); +enc_cg_cons_1({cons,H,T}) -> + enc_cg(H), + emit("|"), + enc_cg(T). + +enc_call_args([A|As], Sep) -> + [Sep,mk_val(A)|enc_call_args(As, ", ")]; +enc_call_args([], _) -> []. + +enc_cg_cond(Cs) -> + emit("if "), + enc_cg_cond(Cs, ""), + emit([nl, + "end"]). + +enc_cg_cond([C|Cs], Sep) -> + emit(Sep), + enc_cg_cond_1(C), + enc_cg_cond(Cs, [";",nl]); +enc_cg_cond([], _) -> ok. + +enc_cg_cond_1({Cond,Action}) -> + enc_cond_term(Cond), + emit([" ->",nl]), + enc_cg(Action). + +enc_cond_term('_') -> + emit("true"); +enc_cond_term({ult,Var0,Int}) -> + Var = mk_val(Var0), + N = uper_num_bits(Int), + case 1 bsl N of + Int -> + emit([Var," bsr ",N," =:= 0"]); + _ -> + emit(["0 =< ",Var,", ",Var," < ",Int]) + end; +enc_cond_term({eq,Var0,Term}) -> + Var = mk_val(Var0), + emit([Var," =:= ",{asis,Term}]); +enc_cond_term({ge,Var0,Int}) -> + Var = mk_val(Var0), + emit([Var," >= ",Int]); +enc_cond_term({lt,Var0,Int}) -> + Var = mk_val(Var0), + emit([Var," < ",Int]). + +enc_cg_put_bits([{put_bits,Val0,N,[1]}|T], Sep) -> + Val = mk_val(Val0), + [[Sep,Val,":",integer_to_list(N)]|enc_cg_put_bits(T, ",")]; +enc_cg_put_bits([], _) -> []. + +mk_val({var,Str}) -> Str; +mk_val({expr,Str}) -> Str; +mk_val(Int) when is_integer(Int) -> integer_to_list(Int); +mk_val(Other) -> {asis,Other}. + +%%% +%%% Generate a function that maps a name of a bit position +%%% to the bit position. +%%% + +bit_string_name2pos_fun(NNL, Src) -> + {call_gen,"bit_string_name2pos_",NNL, + fun(Fd, Name) -> gen_name2pos(Fd, Name, NNL) end,[],[Src]}. + +gen_name2pos(Fd, Name, Names) -> + Cs0 = gen_name2pos_cs(Names, Name), + Cs = Cs0 ++ [bit_clause(Name),nil_clause(),invalid_clause()], + F0 = {function,1,Name,1,Cs}, + F = erl_parse:new_anno(F0), + file:write(Fd, [erl_pp:function(F)]). + +gen_name2pos_cs([{K,V}|T], Name) -> + P = [{cons,0,{atom,0,K},{var,0,'T'}}], + B = [{cons,0,{integer,0,V},{call,0,{atom,0,Name},[{var,0,'T'}]}}], + [{clause,0,P,[],B}|gen_name2pos_cs(T, Name)]; +gen_name2pos_cs([], _) -> []. + +bit_clause(Name) -> + VarT = {var,0,'T'}, + VarPos = {var,0,'Pos'}, + P = [{cons,0,{tuple,0,[{atom,0,bit},VarPos]},VarT}], + G = [[{call,0,{atom,0,is_integer},[VarPos]}]], + B = [{cons,0,VarPos,{call,0,{atom,0,Name},[VarT]}}], + {clause,0,P,G,B}. + +nil_clause() -> + P = B = [{nil,0}], + {clause,0,P,[],B}. + +invalid_clause() -> + P = [{var,0,'_'}], + B = [{call,0,{atom,0,throw},[{atom,0,invalid}]}], + {clause,0,P,[],B}. + +%%% +%%% Hoist alignment to reduce the number of list elements in +%%% encode. Fewer lists elements means faster traversal in +%%% complete/{2,3}. +%%% +%%% For example, the following data sequence: +%%% +%%% [align,<<1:1,0:1>>,[align,<<Len:16>>|Data]] +%%% +%%% can be rewritten to: +%%% +%%% [align,<<1:1,0:1,0:6>>,[<<Len:16>>|Data]] +%%% +%%% The change from the literal <<1:1,0:1>> to <<1:1,0:1,0:6>> +%%% comes for free, and we have eliminated one element of the +%%% sub list. +%%% +%%% We must be careful not to rewrite: +%%% +%%% [<<1:1,0:1>>,[align,<<Len:16>>|Data]] +%%% +%%% to: +%%% +%%% [[<<1:1,0:1>>,align],[<<Len:16>>|Data]] +%%% +%%% because even though [<<1:0,0:1>>,align] is a literal and does +%%% not add any additional construction cost, there is one more +%%% sub list that needs to be traversed. +%%% + +enc_hoist_align(Imm0) -> + Imm = enc_hoist_align_reverse(Imm0, []), + enc_hoist_align(Imm, false, []). + +enc_hoist_align_reverse([H|T], Acc) -> + case enc_opt_al_1([H], 0) of + {[H],_} -> + enc_hoist_align_reverse(T, [H|Acc]); + {_,_} -> + lists:reverse(T, [H,stop|Acc]) + end; +enc_hoist_align_reverse([], Acc) -> Acc. + +enc_hoist_align([stop|T], _Aligned, Acc) -> + lists:reverse(T, Acc); +enc_hoist_align([{block,Bl0}|T], Aligned, Acc) -> + Bl = case Aligned of + false -> Bl0; + true -> enc_hoist_block(Bl0) + end, + case is_beginning_aligned(Bl) of + false -> + enc_hoist_align(T, false, [{block,Bl}|Acc]); + true -> + enc_hoist_align(T, true, [{put_bits,0,0,[1,align]}, + {block,Bl}|Acc]) + end; +enc_hoist_align([H|T], _, Acc) -> + enc_hoist_align(T, false, [H|Acc]); +enc_hoist_align([], _, Acc) -> Acc. + +enc_hoist_block(Bl) -> + try + enc_hoist_block_1(lists:reverse(Bl)) + catch + throw:impossible -> + Bl + end. + +enc_hoist_block_1([{'cond',Cs0}|T]) -> + Cs = [[C|enc_hoist_block_2(Act)] || [C|Act] <- Cs0], + H = {'cond',Cs}, + lists:reverse(T, [H]); +enc_hoist_block_1(_) -> + throw(impossible). + +enc_hoist_block_2([{'cond',_}|_]=L) -> + enc_hoist_block(L); +enc_hoist_block_2([{error,_}]=L) -> + L; +enc_hoist_block_2([]) -> + [{put_bits,0,0,[1,align]}]; +enc_hoist_block_2(L) -> + case lists:last(L) of + {put_bits,_,_,_} -> + L ++ [{put_bits,0,0,[1,align]}]; + _ -> + throw(impossible) + end. + +%%% +%%% Optimize alignment for encoding. +%%% + +enc_opt_al(Imm0) -> + {Imm,_} = enc_opt_al_1(Imm0, unknown), + Imm. + +enc_opt_al_1([H0|T0], Al0) -> + {H,Al1} = enc_opt_al(H0, Al0), + {T,Al} = enc_opt_al_1(T0, Al1), + {H++T,Al}; +enc_opt_al_1([], Al) -> {[],Al}. + +enc_opt_al({assign,_,_}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al({block,Bl0}, Al0) -> + {Bl,Al} = enc_opt_al_1(Bl0, Al0), + {[{block,Bl}],Al}; +enc_opt_al({call,erlang,iolist_to_binary,[_]}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al({call,per_common,encode_fragmented,[_,U]}=Call, Al) -> + case U rem 8 of + 0 -> {[Call],Al}; + _ -> {[Call],unknown} + end; +enc_opt_al({call,per_common,encode_unconstrained_number,[_]}=Call, _) -> + {[Call],0}; +enc_opt_al({call,_,_,_,_}=Call, Al) -> + {[Call],Al}; +enc_opt_al({'cond',Cs0}, Al0) -> + {Cs,Al} = enc_opt_al_cond(Cs0, Al0), + {[{'cond',Cs}],Al}; +enc_opt_al({error,_}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al({list,Imm0,Dst}, Al) -> + Imm1 = enc_opt_hoist_align(Imm0), + {Imm,_} = enc_opt_al_1(Imm1, 0), + {[{list,Imm,Dst}],Al}; +enc_opt_al({put_bits,V,N,[U,align]}, Al0) when Al0 rem 8 =:= 0 -> + Al = if + is_integer(N) -> N*U; + N =:= binary, U rem 8 =:= 0 -> 0; + true -> unknown + end, + {[{put_bits,V,N,[U]}],Al}; +enc_opt_al({put_bits,V,binary,[U,align]}, Al0) when is_integer(Al0) -> + N = 8 - (Al0 rem 8), + Al = case U rem 8 of + 0 -> 0; + _ -> unknown + end, + {[{put_bits,0,N,[1]},{put_bits,V,binary,[U]}],Al}; +enc_opt_al({put_bits,V,N0,[U,align]}, Al0) when is_integer(N0), is_integer(Al0) -> + N = N0 + (8 - Al0 rem 8), + Al = N0*U, + {[{put_bits,V,N,[1]}],Al}; +enc_opt_al({put_bits,_,N,[U,align]}=PutBits, _) when is_integer(N) -> + {[PutBits],N*U}; +enc_opt_al({put_bits,_,binary,[U,align]}=PutBits, _) when U rem 8 =:= 0 -> + {[PutBits],0}; +enc_opt_al({put_bits,_,N,[U]}=PutBits, Al) when is_integer(N), is_integer(Al) -> + {[PutBits],Al+N*U}; +enc_opt_al({put_bits,_,binary,[U]}=PutBits, Al) when U rem 8 =:= 0 -> + {[PutBits],Al}; +enc_opt_al({set,_,_}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al({sub,_,_,_}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al({'try',_,_,_,_}=Imm, Al) -> + {[Imm],Al}; +enc_opt_al(Imm, _) -> + {[Imm],unknown}. + +enc_opt_al_cond(Cs0, Al0) -> + enc_opt_al_cond_1(Cs0, Al0, [], []). + +enc_opt_al_cond_1([['_',{error,_}]=C|Cs], Al, CAcc, AAcc) -> + enc_opt_al_cond_1(Cs, Al, [C|CAcc], AAcc); +enc_opt_al_cond_1([[C|Act0]|Cs0], Al0, CAcc, AAcc) -> + {Act,Al1} = enc_opt_al_1(Act0, Al0), + Al = if + Al1 =:= unknown -> Al1; + true -> Al1 rem 8 + end, + enc_opt_al_cond_1(Cs0, Al0, [[C|Act]|CAcc], [Al|AAcc]); +enc_opt_al_cond_1([], _, CAcc, AAcc) -> + Al = case lists:usort(AAcc) of + [] -> unknown; + [Al0] -> Al0; + [_|_] -> unknown + end, + {lists:reverse(CAcc),Al}. + +enc_opt_hoist_align([{'cond',Cs0},{put_bits,0,0,[1,align]}]=Imm) -> + try + Cs = [insert_align_last(C) || C <- Cs0], + [{'cond',Cs}] + catch + throw:impossible -> + Imm + end; +enc_opt_hoist_align(Imm) -> Imm. + +insert_align_last([_,{error,_}]=C) -> + C; +insert_align_last([H|T]) -> + case lists:last(T) of + {put_bits,_,_,_} -> + [H|T ++ [{put_bits,0,0,[1,align]}]]; + _ -> + throw(impossible) + end. + +%%% +%%% For the aligned PER format, fix up the intermediate format +%%% before code generation. Code generation will be somewhat +%%% easier if 'align' appear as a separate instruction. +%%% + +per_fixup([{apply,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{block,Block}|T]) -> + [{block,per_fixup(Block)}|per_fixup(T)]; +per_fixup([{'assign',_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{'cond',Cs0}|T]) -> + Cs = [[C|per_fixup(Act)] || [C|Act] <- Cs0], + [{'cond',Cs}|per_fixup(T)]; +per_fixup([{call,_,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{call,_,_,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{call_gen,_,_,_,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{error,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{lc,B,V,L}|T]) -> + [{lc,per_fixup(B),V,L}|per_fixup(T)]; +per_fixup([{lc,B,V,L,Dst}|T]) -> + [{lc,per_fixup(B),V,L,Dst}|per_fixup(T)]; +per_fixup([{list,Imm,Dst}|T]) -> + [{list,per_fixup(Imm),Dst}|per_fixup(T)]; +per_fixup([{set,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{sub,_,_,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([{'try',Try0,{P,Succ0},Else0,Dst}|T]) -> + Try = per_fixup(Try0), + Succ = per_fixup(Succ0), + Else = per_fixup(Else0), + [{'try',Try,{P,Succ},Else,Dst}|per_fixup(T)]; +per_fixup([{put_bits,_,_,_}|_]=L) -> + fixup_put_bits(L); +per_fixup([{var,_}=H|T]) -> + [H|per_fixup(T)]; +per_fixup([]) -> []. + +fixup_put_bits([{put_bits,0,0,[_,align]}|T]) -> + [align|fixup_put_bits(T)]; +fixup_put_bits([{put_bits,0,0,_}|T]) -> + fixup_put_bits(T); +fixup_put_bits([{put_bits,V,N,[U,align]}|T]) -> + [align,{put_bits,V,N,[U]}|fixup_put_bits(T)]; +fixup_put_bits([{put_bits,_,_,_}=H|T]) -> + [H|fixup_put_bits(T)]; +fixup_put_bits(Other) -> per_fixup(Other). + %% effective_constraint(Type,C) %% Type = atom() %% C = [C1,...] @@ -705,8 +2741,10 @@ mk_dest(S) -> S. %% returns a value range that has the lower bound set to the lowest value %% of all single values and lower bound values in C and the upper bound to %% the greatest value. -effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension - [C]; +effective_constraint(integer, [{{_,_}=Root,_}|_Rest]) -> + %% Normalize extension. Note that any range given for the + %% extension should be ignored anyway. + [{Root,[]}]; effective_constraint(integer, C) -> SVs = get_constraints(C, 'SingleValue'), SV = effective_constr('SingleValue', SVs), diff --git a/lib/asn1/src/asn1ct_name.erl b/lib/asn1/src/asn1ct_name.erl index ba52e66ce3..72d541cbbc 100644 --- a/lib/asn1/src/asn1ct_name.erl +++ b/lib/asn1/src/asn1ct_name.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% diff --git a/lib/asn1/src/asn1ct_parser.yrl b/lib/asn1/src/asn1ct_parser.yrl deleted file mode 100644 index 083162f191..0000000000 --- a/lib/asn1/src/asn1ct_parser.yrl +++ /dev/null @@ -1,1177 +0,0 @@ -%%<copyright> -%% <year>1997-2008</year> -%% <holder>Ericsson AB, All Rights Reserved</holder> -%%</copyright> -%%<legalnotice> -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% The Initial Developer of the Original Code is Ericsson AB. -%%</legalnotice>
-%%
-Nonterminals
-ModuleDefinition ModuleIdentifier DefinitiveIdentifier DefinitiveObjIdComponentList
-DefinitiveObjIdComponent TagDefault ExtensionDefault
-ModuleBody Exports SymbolsExported Imports SymbolsImported
-SymbolsFromModuleList SymbolsFromModule GlobalModuleReference AssignedIdentifier SymbolList
-Symbol Reference AssignmentList Assignment
-ExtensionAndException
-ComponentTypeLists
-Externaltypereference Externalvaluereference DefinedType DefinedValue
-AbsoluteReference ItemSpec ItemId ComponentId TypeAssignment
-ValueAssignment
-% ValueSetTypeAssignment
-ValueSet
-Type BuiltinType NamedType ReferencedType
-Value ValueNotNull BuiltinValue ReferencedValue NamedValue
-% BooleanType
-BooleanValue IntegerType NamedNumberList NamedNumber SignedNumber
-% inlined IntegerValue
-EnumeratedType
-% inlined Enumerations
-Enumeration EnumerationItem
-% inlined EnumeratedValue
-% RealType
-RealValue NumericRealValue SpecialRealValue BitStringType
-% inlined BitStringValue
-IdentifierList
-% OctetStringType
-% inlined OctetStringValue
-% NullType NullValue
-SequenceType ComponentTypeList ComponentType
-% SequenceValue SequenceOfValue
-ComponentValueList SequenceOfType
-SAndSOfValue ValueList SetType
-% SetValue SetOfValue
-SetOfType
-ChoiceType
-% AlternativeTypeList made common with ComponentTypeList
-ChoiceValue
-AnyValue
-AnyDefBy
-SelectionType
-TaggedType Tag ClassNumber Class
-% redundant TaggedValue
-% EmbeddedPDVType EmbeddedPDVValue ExternalType ExternalValue ObjectIdentifierType
-ObjectIdentifierValue ObjIdComponentList ObjIdComponent
-% NameForm NumberForm NameAndNumberForm
-CharacterStringType
-RestrictedCharacterStringValue CharacterStringList
-% CharSyms CharsDefn
-Quadruple
-% Group Plane Row Cell
-Tuple
-% TableColumn TableRow
-% UnrestrictedCharacterString
-CharacterStringValue
-% UnrestrictedCharacterStringValue
-ConstrainedType Constraint ConstraintSpec TypeWithConstraint
-ElementSetSpecs ElementSetSpec
-%GeneralConstraint
-UserDefinedConstraint UserDefinedConstraintParameter
-UserDefinedConstraintParameters
-ExceptionSpec
-ExceptionIdentification
-Unions
-UnionMark
-UElems
-Intersections
-IntersectionElements
-IntersectionMark
-IElems
-Elements
-Elems
-SubTypeElements
-Exclusions
-LowerEndpoint
-UpperEndpoint
-LowerEndValue
-UpperEndValue
-TypeConstraints NamedConstraint PresenceConstraint
-
-ParameterizedTypeAssignment
-ParameterList
-Parameters
-Parameter
-ParameterizedType
-
-% X.681
-ObjectClassAssignment ObjectClass ObjectClassDefn
-FieldSpecs FieldSpec OptionalitySpec WithSyntaxSpec
-TokenOrGroupSpecs TokenOrGroupSpec
-SyntaxList OptionalGroup RequiredToken Word
-TypeOptionalitySpec
-ValueOrObjectOptSpec
-VSetOrOSetOptSpec
-ValueOptionalitySpec
-ObjectOptionalitySpec
-ValueSetOptionalitySpec
-ObjectSetOptionalitySpec
-% X.681 chapter 15
-InformationFromObjects
-ValueFromObject
-%ValueSetFromObjects
-TypeFromObject
-%ObjectFromObject
-%ObjectSetFromObjects
-ReferencedObjects
-FieldName
-PrimitiveFieldName
-
-ObjectAssignment
-ObjectSetAssignment
-ObjectSet
-ObjectSetElements
-Object
-ObjectDefn
-DefaultSyntax
-DefinedSyntax
-FieldSettings
-FieldSetting
-DefinedSyntaxTokens
-DefinedSyntaxToken
-Setting
-DefinedObject
-ObjectFromObject
-ObjectSetFromObjects
-ParameterizedObject
-ExternalObjectReference
-DefinedObjectSet
-DefinedObjectClass
-ExternalObjectClassReference
-
-% X.682
-TableConstraint
-ComponentRelationConstraint
-ComponentIdList
-
-% X.683
-ActualParameter
-.
-
-%UsefulType.
-
-Terminals
-'ABSENT' 'ABSTRACT-SYNTAX' 'ALL' 'ANY'
-'APPLICATION' 'AUTOMATIC' 'BEGIN' 'BIT'
-'BOOLEAN' 'BY' 'CHARACTER' 'CHOICE' 'CLASS' 'COMPONENT'
-'COMPONENTS' 'CONSTRAINED' 'DEFAULT' 'DEFINED' 'DEFINITIONS'
-'EMBEDDED' 'END' 'ENUMERATED' 'EXCEPT' 'EXPLICIT'
-'EXPORTS' 'EXTENSIBILITY' 'EXTERNAL' 'FALSE' 'FROM' 'GeneralizedTime'
-'TYPE-IDENTIFIER'
-'IDENTIFIER' 'IMPLICIT' 'IMPLIED' 'IMPORTS'
-'INCLUDES' 'INSTANCE' 'INTEGER' 'INTERSECTION'
-'MAX' 'MIN' 'MINUS-INFINITY' 'NULL'
-'OBJECT' 'ObjectDescriptor' 'OCTET' 'OF' 'OPTIONAL' 'PDV' 'PLUS-INFINITY'
-'PRESENT' 'PRIVATE' 'REAL' 'SEQUENCE' 'SET' 'SIZE'
-'STRING' 'SYNTAX' 'TAGS' 'TRUE' 'UNION'
-'UNIQUE' 'UNIVERSAL' 'UTCTime' 'WITH'
-'{' '}' '(' ')' '.' '::=' ';' ',' '@' '*' '-' '[' ']'
-'!' '..' '...' '|' '<' ':' '^'
-number identifier typereference restrictedcharacterstringtype
-bstring hstring cstring typefieldreference valuefieldreference
-objectclassreference word.
-
-Rootsymbol ModuleDefinition.
-Endsymbol '$end'.
-
-Left 300 'EXCEPT'.
-Left 200 '^'.
-Left 200 'INTERSECTION'.
-Left 100 '|'.
-Left 100 'UNION'.
-
-
-ModuleDefinition -> ModuleIdentifier
- 'DEFINITIONS'
- TagDefault
- ExtensionDefault
- '::='
- 'BEGIN'
- ModuleBody
- 'END' :
- {'ModuleBody',Ex,Im,Types} = '$7',
- {{typereference,Pos,Name},Defid} = '$1',
- #module{
- pos= Pos,
- name= Name,
- defid= Defid,
- tagdefault='$3',
- extensiondefault='$4',
- exports=Ex,
- imports=Im,
- typeorval=Types}.
-% {module, '$1','$3','$6'}.
-% Results always in a record of type module defined in asn_records.hlr
-
-ModuleIdentifier -> typereference DefinitiveIdentifier :
- put(asn1_module,'$1'#typereference.val),
- {'$1','$2'}.
-
-DefinitiveIdentifier -> '{' DefinitiveObjIdComponentList '}' : '$2' .
-DefinitiveIdentifier -> '$empty': [].
-
-DefinitiveObjIdComponentList -> DefinitiveObjIdComponent : ['$1'].
-DefinitiveObjIdComponentList -> DefinitiveObjIdComponent DefinitiveObjIdComponentList : ['$1'|'$2'].
-
-DefinitiveObjIdComponent -> identifier : '$1' . %expanded->
-% DefinitiveObjIdComponent -> NameForm : '$1' .
-DefinitiveObjIdComponent -> number : '$1' . %expanded->
-% DefinitiveObjIdComponent -> DefinitiveNumberForm : 'fix' .
-DefinitiveObjIdComponent -> identifier '(' number ')' : {'$1','$3'} . %expanded->
-% DefinitiveObjIdComponent -> DefinitiveNameAndNumberForm : {'$1','$3'} .
-
-% DefinitiveNumberForm -> number : 'fix' .
-
-% DefinitiveNameAndNumberForm -> identifier '(' DefinitiveNumberForm ')' : 'fix' .
-
-TagDefault -> 'EXPLICIT' 'TAGS' : put(tagdefault,'EXPLICIT'),'EXPLICIT' .
-TagDefault -> 'IMPLICIT' 'TAGS' : put(tagdefault,'IMPLICIT'),'IMPLICIT' .
-TagDefault -> 'AUTOMATIC' 'TAGS' : put(tagdefault,'AUTOMATIC'),'AUTOMATIC' .
-TagDefault -> '$empty': put(tagdefault,'EXPLICIT'),'EXPLICIT'. % because this is the default
-
-ExtensionDefault -> 'EXTENSIBILITY' 'IMPLIED' : 'IMPLIED'.
-ExtensionDefault -> '$empty' : 'false'. % because this is the default
-
-ModuleBody -> Exports Imports AssignmentList : {'ModuleBody','$1','$2','$3'}.
-ModuleBody -> '$empty' : {'ModuleBody',nil,nil,[]}.
-
-Exports -> 'EXPORTS' SymbolList ';' : {exports,'$2'}.
-Exports -> 'EXPORTS' ';' : {exports,[]}.
-Exports -> '$empty' : {exports,all} .
-
-% inlined above SymbolsExported -> SymbolList : '$1'.
-% inlined above SymbolsExported -> '$empty' : [].
-
-Imports -> 'IMPORTS' SymbolsFromModuleList ';' : {imports,'$2'}.
-Imports -> 'IMPORTS' ';' : {imports,[]}.
-Imports -> '$empty' : {imports,[]} .
-
-% inlined above SymbolsImported -> SymbolsFromModuleList : '$1'.
-% inlined above SymbolsImported -> '$empty' : [].
-
-SymbolsFromModuleList -> SymbolsFromModule :['$1'].
-% SymbolsFromModuleList -> SymbolsFromModuleList SymbolsFromModule :$1.%changed
-SymbolsFromModuleList -> SymbolsFromModule SymbolsFromModuleList :['$1'|'$2'].
-
-% expanded SymbolsFromModule -> SymbolList 'FROM' GlobalModuleReference : #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-SymbolsFromModule -> SymbolList 'FROM' typereference : #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-SymbolsFromModule -> SymbolList 'FROM' typereference '{' ValueList '}': #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-%SymbolsFromModule -> SymbolList 'FROM' typereference identifier: #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-%SymbolsFromModule -> SymbolList 'FROM' typereference Externalvaluereference: #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-%SymbolsFromModule -> SymbolList 'FROM' typereference DefinedValue: #'SymbolsFromModule'{symbols = '$1',module='$3'}.
-
-% inlined GlobalModuleReference -> typereference AssignedIdentifier : {'$1','$2'} .
-
-% inlined above AssignedIdentifier -> '{' ValueList '}' : '$2'.
-% replaced AssignedIdentifier -> '{' DefinedValue ObjIdComponentList '}' :{'$2','$3'}.
-% not necessary , replaced by SAndSOfValue AssignedIdentifier -> ObjectIdentifierValue :'$1'.
-% AssignedIdentifier -> DefinedValue : '$1'.
-% inlined AssignedIdentifier -> '$empty' : undefined.
-
-SymbolList -> Symbol : ['$1'].
-SymbolList -> Symbol ',' SymbolList :['$1'|'$3'].
-
-Symbol -> Reference :'$1'.
-% later Symbol -> ParameterizedReference :'$1'.
-
-Reference -> typereference :'$1'.
-Reference -> identifier:'$1'.
-Reference -> typereference '{' '}':'$1'.
-Reference -> Externaltypereference '{' '}':'$1'.
-
-% later Reference -> objectclassreference :'$1'.
-% later Reference -> objectreference :'$1'.
-% later Reference -> objectsetreference :'$1'.
-
-AssignmentList -> Assignment : ['$1'].
-% modified AssignmentList -> AssignmentList Assignment : '$1'.
-AssignmentList -> Assignment AssignmentList : ['$1'|'$2'].
-
-Assignment -> TypeAssignment : '$1'.
-Assignment -> ValueAssignment : '$1'.
-% later Assignment -> ValueSetTypeAssignment : '$1'.
-Assignment -> ObjectClassAssignment : '$1'.
-% later Assignment -> ObjectAssignment : '$1'.
-% combined with ValueAssignment Assignment -> ObjectAssignment : '$1'.
-Assignment -> ObjectSetAssignment : '$1'.
-Assignment -> ParameterizedTypeAssignment : '$1'.
-%Assignment -> ParameterizedValueAssignment : '$1'.
-%Assignment -> ParameterizedValueSetTypeAssignment : '$1'.
-%Assignment -> ParameterizedObjectClassAssignment : '$1'.
-
-ObjectClassAssignment -> typereference '::=' 'CLASS' '{' FieldSpecs '}' :
-%ObjectClassAssignment -> objectclassreference '::=' 'CLASS' '{' FieldSpecs '}' :
- #typedef{pos=element(2,'$1'),name=element(3,'$1'),typespec={'CLASS','$5',[]}}.
-ObjectClassAssignment -> typereference '::=' 'CLASS' '{' FieldSpecs '}' WithSyntaxSpec :
-%ObjectClassAssignment -> objectclassreference '::=' 'CLASS' '{' FieldSpecs '}' WithSyntaxSpec :
- #typedef{pos=element(2,'$1'),name=element(3,'$1'),typespec={'CLASS','$5','$7'}}.
-
-FieldSpecs -> FieldSpec : ['$1'].
-FieldSpecs -> FieldSpec ',' FieldSpecs : ['$1'|'$3'].
-
-FieldSpec -> typefieldreference TypeOptionalitySpec : {typefield,'$1','$2'}.
-
-FieldSpec -> valuefieldreference Type 'UNIQUE' ValueOrObjectOptSpec :
- {fixedtypevaluefield,'$1','$2','UNIQUE','$4'}.
-FieldSpec -> valuefieldreference Type ValueOrObjectOptSpec :
- {fixedtypevaluefield,'$1','$2',undefined,'$3'}.
-
-FieldSpec -> valuefieldreference typefieldreference ValueOrObjectOptSpec :
- {variabletypevaluefield, '$1','$2','$3'}.
-
-FieldSpec -> typefieldreference typefieldreference VSetOrOSetOptSpec :
- {variabletypevaluesetfield, '$1','$2','$3'}.
-
-FieldSpec -> typefieldreference Type VSetOrOSetOptSpec :
- {fixedtypevaluesetfield, '$1','$2','$3'}.
-
-TypeOptionalitySpec -> 'DEFAULT' Type : {'DEFAULT','$2'}.
-TypeOptionalitySpec -> 'OPTIONAL' : 'OPTIONAL'.
-TypeOptionalitySpec -> '$empty' : 'MANDATORY'.
-
-ValueOrObjectOptSpec -> ValueOptionalitySpec : '$1'.
-ValueOrObjectOptSpec -> ObjectOptionalitySpec : '$1'.
-ValueOrObjectOptSpec -> 'OPTIONAL' : 'OPTIONAL'.
-ValueOrObjectOptSpec -> '$empty' : 'MANDATORY'.
-
-ValueOptionalitySpec -> 'DEFAULT' Value :
- case '$2' of
- {identifier,_,Id} -> {'DEFAULT',Id};
- _ -> {'DEFAULT','$2'}
- end.
-
-%ObjectOptionalitySpec -> 'DEFAULT' Object :{'DEFAULT','$1'}.
-ObjectOptionalitySpec -> 'DEFAULT' '{' FieldSetting ',' FieldSettings '}' :
- {'DEFAULT',{object,['$2'|'$4']}}.
-ObjectOptionalitySpec -> 'DEFAULT' '{' FieldSetting '}' :
- {'DEFAULT',{object, ['$2']}}.
-%ObjectOptionalitySpec -> 'DEFAULT' '{' DefinedSyntaxTokens '}' :
-% {'DEFAULT',{object, '$2'}}.
-ObjectOptionalitySpec -> 'DEFAULT' ObjectFromObject :
- {'DEFAULT',{object, '$2'}}.
-
-
-VSetOrOSetOptSpec -> ValueSetOptionalitySpec : '$1'.
-%VSetOrOSetOptSpec -> ObjectSetOptionalitySpec : '$1'.
-VSetOrOSetOptSpec -> 'OPTIONAL' : 'OPTIONAL'.
-VSetOrOSetOptSpec -> '$empty' : 'MANDATORY'.
-
-ValueSetOptionalitySpec -> 'DEFAULT' ValueSet : {'DEFAULT','$1'}.
-
-%ObjectSetOptionalitySpec -> 'DEFAULT' ObjectSet : {'DEFAULT','$1'}.
-
-OptionalitySpec -> 'DEFAULT' Type : {'DEFAULT','$2'}.
-OptionalitySpec -> 'DEFAULT' ValueNotNull :
- case '$2' of
- {identifier,_,Id} -> {'DEFAULT',Id};
- _ -> {'DEFAULT','$2'}
- end.
-OptionalitySpec -> 'OPTIONAL' : 'OPTIONAL'.
-OptionalitySpec -> '$empty' : 'MANDATORY'.
-
-WithSyntaxSpec -> 'WITH' 'SYNTAX' SyntaxList : {'WITH SYNTAX','$3'}.
-
-SyntaxList -> '{' TokenOrGroupSpecs '}' : '$2'.
-SyntaxList -> '{' '}' : [].
-
-TokenOrGroupSpecs -> TokenOrGroupSpec : ['$1'].
-TokenOrGroupSpecs -> TokenOrGroupSpec TokenOrGroupSpecs : ['$1'|'$2'].
-
-TokenOrGroupSpec -> RequiredToken : '$1'.
-TokenOrGroupSpec -> OptionalGroup : '$1'.
-
-OptionalGroup -> '[' TokenOrGroupSpecs ']' : '$2'.
-
-RequiredToken -> typereference : '$1'.
-RequiredToken -> Word : '$1'.
-RequiredToken -> ',' : '$1'.
-RequiredToken -> PrimitiveFieldName : '$1'.
-
-Word -> 'BY' : 'BY'.
-
-ParameterizedTypeAssignment -> typereference ParameterList '::=' Type :
- #ptypedef{pos=element(2,'$1'),name=element(3,'$1'),
- args='$2', typespec='$4'}.
-
-ParameterList -> '{' Parameters '}':'$2'.
-
-Parameters -> Parameter: ['$1'].
-Parameters -> Parameter ',' Parameters: ['$1'|'$3'].
-
-Parameter -> typereference: '$1'.
-Parameter -> Value: '$1'.
-Parameter -> Type ':' typereference: {'$1','$3'}.
-Parameter -> Type ':' Value: {'$1','$3'}.
-Parameter -> '{' typereference '}': {objectset,'$2'}.
-
-
-% Externaltypereference -> modulereference '.' typereference : {'$1','$3'} .
-Externaltypereference -> typereference '.' typereference : #'Externaltypereference'{pos=element(2,'$1'),module=element(3,'$1'),type=element(3,'$3')}.
-
-% Externalvaluereference -> modulereference '.' valuereference : {'$1','$3'} .
-% inlined Externalvaluereference -> typereference '.' identifier : #'Externalvaluereference'{pos=element(2,'$1'),module=element(3,'$1'),value=element(3,'$3')}.
-
-
-DefinedType -> Externaltypereference : '$1' .
-DefinedType -> typereference :
- #'Externaltypereference'{pos='$1'#typereference.pos,
- module= get(asn1_module),
- type= '$1'#typereference.val} .
-DefinedType -> typereference ParameterList : {pt,'$1','$2'}.
-DefinedType -> Externaltypereference ParameterList : {pt,'$1','$2'}.
-
-% ActualParameterList -> '{' ActualParameters '}' : '$1'.
-
-% ActualParameters -> ActualParameter : ['$1'].
-% ActualParameters -> ActualParameter ',' ActualParameters : ['$1'|'$3'].
-
-ActualParameter -> Type : '$1'.
-ActualParameter -> ValueNotNull : '$1'.
-ActualParameter -> ValueSet : '$1'.
-% later DefinedType -> ParameterizedType : '$1' .
-% later DefinedType -> ParameterizedValueSetType : '$1' .
-
-% inlined DefinedValue -> Externalvaluereference :'$1'.
-% inlined DefinedValue -> identifier :'$1'.
-% later DefinedValue -> ParameterizedValue :'$1'.
-
-% not referenced yet AbsoluteReference -> '@' GlobalModuleReference '.' ItemSpec :{'$2','$4'}.
-
-% not referenced yet ItemSpec -> typereference :'$1'.
-% not referenced yet ItemSpec -> ItemId '.' ComponentId : {'$1','$3'}.
-
-% not referenced yet ItemId -> ItemSpec : '$1'.
-
-% not referenced yet ComponentId -> identifier :'$1'.
-% not referenced yet ComponentId -> number :'$1'.
-% not referenced yet ComponentId -> '*' :'$1'.
-
-TypeAssignment -> typereference '::=' Type :
- #typedef{pos=element(2,'$1'),name=element(3,'$1'),typespec='$3'}.
-
-ValueAssignment -> identifier Type '::=' Value :
- #valuedef{pos=element(2,'$1'),name=element(3,'$1'),type='$2',value='$4'}.
-
-% later ValueSetTypeAssignment -> typereference Type '::=' ValueSet :{'ValueSetTypeAssignment','$1','$2','$4'}.
-
-
-ValueSet -> '{' ElementSetSpec '}' : {valueset,'$2'}.
-
-% record(type,{tag,def,constraint}).
-Type -> BuiltinType :#type{def='$1'}.
-Type -> 'NULL' :#type{def='NULL'}.
-Type -> TaggedType:'$1'.
-Type -> ReferencedType:#type{def='$1'}. % change notag later
-Type -> ConstrainedType:'$1'.
-
-%ANY is here for compatibility with the old ASN.1 standard from 1988
-BuiltinType -> 'ANY' AnyDefBy:
- case '$2' of
- [] -> 'ANY';
- _ -> {'ANY DEFINED BY','$2'}
- end.
-BuiltinType -> BitStringType :'$1'.
-BuiltinType -> 'BOOLEAN' :element(1,'$1').
-BuiltinType -> CharacterStringType :'$1'.
-BuiltinType -> ChoiceType :'$1'.
-BuiltinType -> 'EMBEDDED' 'PDV' :'EMBEDDED PDV'.
-BuiltinType -> EnumeratedType :'$1'.
-BuiltinType -> 'EXTERNAL' :element(1,'$1').
-% later BuiltinType -> InstanceOfType :'$1'.
-BuiltinType -> IntegerType :'$1'.
-% BuiltinType -> 'NULL' :element(1,'$1').
-% later BuiltinType -> ObjectClassFieldType :'$1'.
-BuiltinType -> 'OBJECT' 'IDENTIFIER' :'OBJECT IDENTIFIER'.
-BuiltinType -> 'OCTET' 'STRING' :'OCTET STRING'.
-BuiltinType -> 'REAL' :element(1,'$1').
-BuiltinType -> SequenceType :'$1'.
-BuiltinType -> SequenceOfType :'$1'.
-BuiltinType -> SetType :'$1'.
-BuiltinType -> SetOfType :'$1'.
-% The so called Useful types
-BuiltinType -> 'GeneralizedTime': 'GeneralizedTime'.
-BuiltinType -> 'UTCTime' :'UTCTime'.
-BuiltinType -> 'ObjectDescriptor' : 'ObjectDescriptor'.
-
-% moved BuiltinType -> TaggedType :'$1'.
-
-
-AnyDefBy -> 'DEFINED' 'BY' identifier: '$3'.
-AnyDefBy -> '$empty': [].
-
-NamedType -> identifier Type :
-%{_,Pos,Val} = '$1',
-%{'NamedType',Pos,{Val,'$2'}}.
-V1 = '$1',
-{'NamedType',V1#identifier.pos,{V1#identifier.val,'$2'}}.
-NamedType -> SelectionType :'$1'.
-
-ReferencedType -> DefinedType : '$1'.
-% redundant ReferencedType -> UsefulType : 'fix'.
-ReferencedType -> SelectionType : '$1'.
-ReferencedType -> TypeFromObject : '$1'.
-% later ReferencedType -> ValueSetFromObjects : 'fix'.
-
-% to much conflicts Value -> AnyValue :'$1'.
-Value -> ValueNotNull : '$1'.
-Value -> 'NULL' :element(1,'$1').
-
-ValueNotNull -> BuiltinValue :'$1'.
-% inlined Value -> DefinedValue :'$1'. % DefinedValue , identifier
-% inlined Externalvaluereference -> Externalvaluereference :'$1'.
-ValueNotNull -> typereference '.' identifier :
- #'Externalvaluereference'{pos=element(2,'$1'),module=element(3,'$1'),
- value=element(3,'$3')}.
-ValueNotNull -> identifier :'$1'.
-
-
-%tmp Value -> NamedNumber: '$1'. % not a value but part of ObjIdC
-% redundant BuiltinValue -> BitStringValue :'$1'.
-BuiltinValue -> BooleanValue :'$1'.
-BuiltinValue -> CharacterStringValue :'$1'.
-BuiltinValue -> ChoiceValue :'$1'.
-% BuiltinValue -> EmbeddedPDVValue :'$1'. ==SequenceValue
-% BuiltinValue -> EnumeratedValue :'$1'. identifier
-% BuiltinValue -> ExternalValue :'$1'. ==SequenceValue
-% later BuiltinValue -> InstanceOfValue :'$1'.
-BuiltinValue -> SignedNumber :'$1'.
-% BuiltinValue -> 'NULL' :'$1'.
-% later BuiltinValue -> ObjectClassFieldValue :'$1'.
-% replaced by SAndSOfValue BuiltinValue -> ObjectIdentifierValue :'$1'.
-BuiltinValue -> bstring :element(3,'$1').
-BuiltinValue -> hstring :element(3,'$1').
-% conflict BuiltinValue -> RealValue :'$1'.
-BuiltinValue -> SAndSOfValue :'$1'.
-% replaced BuiltinValue -> SequenceOfValue :'$1'.
-% replaced BuiltinValue -> SequenceValue :'$1'.
-% replaced BuiltinValue -> SetValue :'$1'.
-% replaced BuiltinValue -> SetOfValue :'$1'.
-% conflict redundant BuiltinValue -> TaggedValue :'$1'.
-
-% inlined ReferencedValue -> DefinedValue:'$1'.
-% ReferencedValue -> Externalvaluereference:'$1'.
-% ReferencedValue -> identifier :'$1'.
-% later ReferencedValue -> ValueFromObject:'$1'.
-
-% inlined BooleanType -> BOOLEAN :'BOOLEAN'.
-
-% to much conflicts AnyValue -> Type ':' Value : {'ANYVALUE',{'$1','$3'}}.
-
-BooleanValue -> TRUE :true.
-BooleanValue -> FALSE :false.
-
-IntegerType -> 'INTEGER' : 'INTEGER'.
-IntegerType -> 'INTEGER' '{' NamedNumberList '}' : {'INTEGER','$3'}.
-
-NamedNumberList -> NamedNumber :['$1'].
-% modified NamedNumberList -> NamedNumberList ',' NamedNumber :'fix'.
-NamedNumberList -> NamedNumber ',' NamedNumberList :['$1'|'$3'].
-
-NamedNumber -> identifier '(' SignedNumber ')' : {'NamedNumber',element(3,'$1'),'$3'}.
-NamedNumber -> identifier '(' typereference '.' identifier ')' : {'NamedNumber',element(3,'$1'),{'ExternalValue',element(3,'$3'),element(3,'$5')}}.
-NamedNumber -> identifier '(' identifier ')' : {'NamedNumber',element(3,'$1'),element(3,'$3')}.
-
-%NamedValue -> identifier Value :
-% {'NamedValue',element(2,'$1'),element(3,'$1'),'$2'}.
-
-
-SignedNumber -> number : element(3,'$1').
-SignedNumber -> '-' number : - element(3,'$1').
-
-% inlined IntegerValue -> SignedNumber :'$1'.
-% conflict moved to Value IntegerValue -> identifier:'$1'.
-
-EnumeratedType -> ENUMERATED '{' Enumeration '}' :{'ENUMERATED','$3'}.
-
-% inlined Enumerations -> Enumeration :{'$1','false',[]}.
-% inlined Enumerations -> Enumeration ',' '...' : {'$1','true',[]}.
-% inlined Enumerations -> Enumeration ',' '...' ',' Enumeration : {'$1','true','$5'}.
-
-Enumeration -> EnumerationItem :['$1'].
-% modified Enumeration -> EnumerationItem ',' Enumeration :'fix'.
-Enumeration -> EnumerationItem ',' Enumeration :['$1'|'$3'].
-
-EnumerationItem -> identifier:element(3,'$1').
-EnumerationItem -> NamedNumber :'$1'.
-EnumerationItem -> '...' :'EXTENSIONMARK'.
-
-% conflict moved to Value EnumeratedValue -> identifier:'$1'.
-
-% inlined RealType -> REAL:'REAL'.
-
-RealValue -> NumericRealValue :'$1'.
-RealValue -> SpecialRealValue:'$1'.
-
-% ?? NumericRealValue -> number:'$1'. % number MUST BE '0'
-NumericRealValue -> SAndSOfValue : '$1'. % Value of the associated sequence type
-
-SpecialRealValue -> 'PLUS-INFINITY' :'$1'.
-SpecialRealValue -> 'MINUS-INFINITY' :'$1'.
-
-BitStringType -> 'BIT' 'STRING' :{'BIT STRING',[]}.
-BitStringType -> 'BIT' 'STRING' '{' NamedNumberList '}' :{'BIT STRING','$4'}.
-% NamedBitList replaced by NamedNumberList to reduce the grammar
-% Must check later that all "numbers" are positive
-
-% inlined BitStringValue -> bstring:'$1'.
-% inlined BitStringValue -> hstring:'$1'.
-% redundant use SequenceValue BitStringValue -> '{' IdentifierList '}' :$2.
-% redundant use SequenceValue BitStringValue -> '{' '}' :'fix'.
-
-IdentifierList -> identifier :[element(3,'$1')].
-% modified IdentifierList -> IdentifierList ',' identifier :'$1'.
-IdentifierList -> identifier ',' IdentifierList :[element(3,'$1')|'$3'].
-
-% inlined OctetStringType -> 'OCTET' 'STRING' :'OCTET STRING'.
-
-% inlined OctetStringValue -> bstring:'$1'.
-% inlined OctetStringValue -> hstring:'$1'.
-
-% inlined NullType -> 'NULL':'NULL'.
-
-% inlined NullValue -> NULL:'NULL'.
-
-% result is {'SEQUENCE',Optionals,Extensionmark,Componenttypelist}.
-SequenceType -> SEQUENCE '{' ComponentTypeList '}' :{'SEQUENCE','$3'}.
-% SequenceType -> SEQUENCE '{' ComponentTypeLists '}' :{'SEQUENCE','$3'}.
-% SequenceType -> SEQUENCE '{' ExtensionAndException '}' :{'SEQUENCE','$3'}.
-SequenceType -> SEQUENCE '{' '}' :{'SEQUENCE',[]}.
-
-% result is {RootComponentList,ExtensionAndException,AdditionalComponentTypeList}.
-%ComponentTypeLists -> ComponentTypeList ',' ExtensionAndException :{'$1','$3',[]}.
-%ComponentTypeLists -> ComponentTypeList :{'$1','false',[]}.
-%ComponentTypeLists -> ComponentTypeList ',' ExtensionAndException
-% ',' ComponentTypeList :{'$1','$3', '$5'}.
-%ComponentTypeLists -> ExtensionAndException ',' ComponentTypeList :{[],'$1','$3'}.
-
-ComponentTypeList -> ComponentType :['$1'].
-% modified below ComponentTypeList -> ComponentTypeList ',' ComponentType :'$1'.
-ComponentTypeList -> ComponentType ',' ComponentTypeList :['$1'|'$3'].
-
-% -record('ComponentType',{pos,name,type,attrib}).
-ComponentType -> '...' ExceptionSpec :{'EXTENSIONMARK',element(2,'$1'),'$2'}.
-ComponentType -> NamedType :
- {'NamedType',Pos,{Name,Type}} = '$1',
- #'ComponentType'{pos=Pos,name=Name,typespec=Type,prop=mandatory}.
-ComponentType -> NamedType 'OPTIONAL' :
- {'NamedType',Pos,{Name,Type}} = '$1',
- #'ComponentType'{pos=Pos,name=Name,typespec=Type,prop='OPTIONAL'}.
-ComponentType -> NamedType 'DEFAULT' Value:
- {'NamedType',Pos,{Name,Type}} = '$1',
- #'ComponentType'{pos=Pos,name=Name,typespec=Type,prop={'DEFAULT','$3'}}.
-ComponentType -> 'COMPONENTS' 'OF' Type :{'COMPONENTS OF','$3'}.
-
-% redundant ExtensionAndException -> '...' : extensionmark.
-% ExtensionAndException -> '...' ExceptionSpec : {extensionmark,'$2'}.
-
-% replaced SequenceValue -> '{' ComponentValueList '}':'$2'.
-% replaced SequenceValue -> '{' '}':[].
-
-ValueList -> Value :['$1'].
-ValueList -> NamedNumber :['$1'].
-% modified ValueList -> ValueList ',' Value :'$1'.
-ValueList -> Value ',' ValueList :['$1'|'$3'].
-ValueList -> Value ',' '...' :['$1' |[]].
-ValueList -> Value ValueList : ['$1',space|'$2'].
-ValueList -> NamedNumber ValueList: ['$1',space|'$2'].
-
-%ComponentValueList -> identifier ObjIdComponent:[{'NamedValue','$1','$2'}].
-%ComponentValueList -> NamedValue :['$1'].
-%ComponentValueList -> NamedValue ',' ComponentValueList:['$1'|'$3'].
-%ComponentValueList -> identifier ObjIdComponent ',' ComponentValueList :[{'NamedValue', '$1','$2'}|'$4'].
-
-SequenceOfType -> SEQUENCE OF Type : {'SEQUENCE OF','$3'}.
-
-% replaced SequenceOfValue with SAndSOfValue
-
-SAndSOfValue -> '{' ValueList '}' :'$2'.
-%SAndSOfValue -> '{' ComponentValueList '}' :'$2'.
-SAndSOfValue -> '{' '}' :[].
-
-% save for later SetType ->
-% result is {'SET',Optionals,Extensionmark,Componenttypelist}.
-SetType -> SET '{' ComponentTypeList '}' :{'SET','$3'}.
-% SetType -> SET '{' ExtensionAndException '}' :{'SET','$3'}.
-SetType -> SET '{' '}' :{'SET',[]}.
-
-% replaced SetValue with SAndSOfValue
-
-SetOfType -> SET OF Type : {'SET OF','$3'}.
-
-% replaced SetOfValue with SAndSOfValue
-
-ChoiceType -> 'CHOICE' '{' ComponentTypeList '}' :{'CHOICE','$3'}.
-% AlternativeTypeList is replaced by ComponentTypeList
-ChoiceValue -> identifier ':' Value : {'ChoiceValue',element(3,'$1'),'$3'}.
-% save for later SelectionType ->
-
-TaggedType -> Tag Type : '$2'#type{tag=['$1'#tag{type={default,get(tagdefault)}}]}.
-TaggedType -> Tag IMPLICIT Type :'$3'#type{tag=['$1'#tag{type='IMPLICIT'}]}.
-TaggedType -> Tag EXPLICIT Type :'$3'#type{tag=['$1'#tag{type='EXPLICIT'}]}.
-
-Tag -> '[' Class ClassNumber ']': #tag{class='$2',number='$3'}.
-Tag -> '[' Class typereference '.' identifier ']':
- #tag{class='$2',number=#'Externalvaluereference'{pos=element(2,'$3'),module=element(3,'$3'),
- value=element(3,'$5')}}.
-Tag -> '[' Class number ']': #tag{class='$2',number=element(3,'$3')}.
-Tag -> '[' Class identifier ']': #tag{class='$2',number=element(3,'$3')}.
-
-ClassNumber -> number :element(3,'$1').
-% inlined above ClassNumber -> typereference '.' identifier :{'Externalvaluereference',element(3,'$1'),element(3,'$3')}.
-ClassNumber -> identifier :element(3,'$1').
-
-Class -> 'UNIVERSAL' :element(1,'$1').
-Class -> 'APPLICATION' :element(1,'$1').
-Class -> 'PRIVATE' :element(1,'$1').
-Class -> '$empty' :'CONTEXT'.
-
-% conflict redundant TaggedValue -> Value:'$1'.
-
-% inlined EmbeddedPDVType -> 'EMBEDDED' 'PDV' :'EMBEDDED PDV'.
-
-% inlined EmbeddedPDVValue -> SequenceValue:'$1'.
-
-% inlined ExternalType -> 'EXTERNAL' :'EXTERNAL'.
-
-% inlined ExternalValue -> SequenceValue :'$1'.
-
-% inlined ObjectIdentifierType -> 'OBJECT' 'IDENTIFIER' :'OBJECT IDENTIFIER'.
-
-ObjectIdentifierValue -> '{' ObjIdComponentList '}' :'$2'.
-% inlined ObjectIdentifierValue -> SequenceAndSequenceOfValue :'$1'.
-% ObjectIdentifierValue -> '{' identifier ObjIdComponentList '}' :{'ObjectIdentifierValue','$2','$3'}.
-% ObjectIdentifierValue -> '{' typereference '.' identifier ObjIdComponentList '}' :{'ObjectIdentifierValue',{'$2','$4'},'$5'}.
-
-ObjIdComponentList -> Value:'$1'.
-ObjIdComponentList -> Value ObjIdComponentList :['$1'|'$2'].
-%ObjIdComponentList -> DefinedValue:'$1'.
-%ObjIdComponentList -> number:'$1'.
-%ObjIdComponentList -> DefinedValue ObjIdComponentList :['$1'|'$2'].
-%ObjIdComponentList -> number ObjIdComponentList :['$1'|'$2'].
-%ObjIdComponentList -> ObjIdComponent ObjIdComponentList :['$1'|'$2'].
-%ObjIdComponentList -> ObjIdComponent ObjIdComponentList :['$1'|'$2'].
-
-% redundant ObjIdComponent -> NameForm :'$1'. % expanded
-% replaced by 2 ObjIdComponent -> NumberForm :'$1'.
-% ObjIdComponent -> number :'$1'.
-% ObjIdComponent -> DefinedValue :'$1'. % means DefinedValue
-% ObjIdComponent -> NameAndNumberForm :'$1'.
-% ObjIdComponent -> NamedNumber :'$1'.
-% NamedBit replaced by NamedNumber to reduce grammar
-% must check later that "number" is positive
-
-% NameForm -> identifier:'$1'.
-
-% inlined NumberForm -> number :'$1'.
-% inlined NumberForm -> DefinedValue :'$1'.
-
-% replaced by NamedBit NameAndNumberForm -> identifier '(' NumberForm ')'.
-% NameAndNumberForm -> NamedBit:'$1'.
-
-
-CharacterStringType -> restrictedcharacterstringtype :element(3,'$1').
-CharacterStringType -> 'CHARACTER' 'STRING' :'CHARACTER STRING'.
-
-RestrictedCharacterStringValue -> cstring :element(3, '$1').
-% modified below RestrictedCharacterStringValue -> CharacterStringList :'$1'.
-% conflict vs BuiltinValue RestrictedCharacterStringValue -> SequenceAndSequenceOfValue :'$1'.
-RestrictedCharacterStringValue -> Quadruple :'$1'.
-RestrictedCharacterStringValue -> Tuple :'$1'.
-
-% redundant CharacterStringList -> '{' ValueList '}' :'$2'. % modified
-
-% redundant CharSyms -> CharsDefn :'$1'.
-% redundant CharSyms -> CharSyms ',' CharsDefn :['$1'|'$3'].
-
-% redundant CharsDefn -> cstring :'$1'.
-% temporary replaced see below CharsDefn -> DefinedValue :'$1'.
-% redundant CharsDefn -> Value :'$1'.
-
-Quadruple -> '{' number ',' number ',' number ',' number '}' :{'Quadruple','$2','$4','$6','$8'}.
-% {Group,Plane,Row,Cell}
-
-Tuple -> '{' number ',' number '}' :{'Tuple', '$2','$4'}.
-% {TableColumn,TableRow}
-
-% inlined UnrestrictedCharacterString -> 'CHARACTER' 'STRING' :'CHARACTER STRING'.
-
-CharacterStringValue -> RestrictedCharacterStringValue :'$1'.
-% conflict vs BuiltinValue CharacterStringValue -> SequenceValue :'$1'. % UnrestrictedCharacterStringValue
-
-% inlined UsefulType -> typereference :'$1'.
-
-SelectionType -> identifier '<' Type : {'SelectionType',element(3,'$1'),'$3'}.
-
-ConstrainedType -> Type Constraint :
- '$1'#type{constraint=merge_constraints(['$2'])}.
-ConstrainedType -> Type Constraint Constraint :
- '$1'#type{constraint=merge_constraints(['$2','$3'])}.
-ConstrainedType -> Type Constraint Constraint Constraint:
- '$1'#type{constraint=merge_constraints(['$2','$3','$4'])}.
-ConstrainedType -> Type Constraint Constraint Constraint Constraint:
- '$1'#type{constraint=merge_constraints(['$2','$3','$4','$5'])}.
-%ConstrainedType -> Type Constraint :'$1'#type{constraint='$2'}.
-%ConstrainedType -> Type Constraint :'$1'#type{constraint='$2'}.
-ConstrainedType -> TypeWithConstraint :'$1'.
-
-TypeWithConstraint -> 'SET' Constraint 'OF' Type :
- #type{def = {'SET OF','$4'},constraint=merge_constraints(['$2'])}.
-TypeWithConstraint -> 'SET' 'SIZE' Constraint 'OF' Type :
- #type{def = {'SET OF','$5'},constraint = merge_constraints([#constraint{c={'SizeConstraint','$3'#constraint.c}}])}.
-TypeWithConstraint -> 'SEQUENCE' Constraint 'OF' Type :
- #type{def = {'SEQUENCE OF','$4'},constraint =
- merge_constraints(['$2'])}.
-TypeWithConstraint -> 'SEQUENCE' 'SIZE' Constraint 'OF' Type :
- #type{def = {'SEQUENCE OF','$5'},constraint = merge_constraints([#constraint{c={'SizeConstraint','$3'#constraint.c}}])}.
-
-
-Constraint -> '(' ConstraintSpec ExceptionSpec ')' :
- #constraint{c='$2',e='$3'}.
-
-% inlined Constraint -> SubTypeConstraint :'$1'.
-ConstraintSpec -> ElementSetSpecs :'$1'.
-ConstraintSpec -> UserDefinedConstraint :'$1'.
-ConstraintSpec -> TableConstraint :'$1'.
-
-TableConstraint -> ComponentRelationConstraint : '$1'.
-TableConstraint -> ObjectSet : '$1'.
-%TableConstraint -> '{' typereference '}' :tableconstraint.
-
-ComponentRelationConstraint -> '{' typereference '}' '{' '@' ComponentIdList '}' : componentrelation.
-ComponentRelationConstraint -> '{' typereference '}' '{' '@' '.' ComponentIdList '}' : componentrelation.
-
-ComponentIdList -> identifier: ['$1'].
-ComponentIdList -> identifier '.' ComponentIdList: ['$1'| '$3'].
-
-
-% later ConstraintSpec -> GeneralConstraint :'$1'.
-
-% from X.682
-UserDefinedConstraint -> 'CONSTRAINED' 'BY' '{' '}' : {constrained_by,[]}.
-UserDefinedConstraint -> 'CONSTRAINED' 'BY'
- '{' UserDefinedConstraintParameters '}' : {constrained_by,'$4'}.
-
-UserDefinedConstraintParameters -> UserDefinedConstraintParameter : ['$1'].
-UserDefinedConstraintParameters ->
- UserDefinedConstraintParameter ','
- UserDefinedConstraintParameters: ['$1'|'$3'].
-
-UserDefinedConstraintParameter -> Type '.' ActualParameter : {'$1','$3'}.
-UserDefinedConstraintParameter -> ActualParameter : '$1'.
-
-
-
-ExceptionSpec -> '!' ExceptionIdentification : '$1'.
-ExceptionSpec -> '$empty' : undefined.
-
-ExceptionIdentification -> SignedNumber : '$1'.
-% inlined ExceptionIdentification -> DefinedValue : '$1'.
-ExceptionIdentification -> typereference '.' identifier :
- #'Externalvaluereference'{pos=element(2,'$1'),module=element(3,'$1'),
- value=element(3,'$1')}.
-ExceptionIdentification -> identifier :'$1'.
-ExceptionIdentification -> Type ':' Value : {'$1','$3'}.
-
-% inlined SubTypeConstraint -> ElementSetSpec
-
-ElementSetSpecs -> ElementSetSpec : '$1'.
-ElementSetSpecs -> ElementSetSpec ',' '...': {'$1',[]}.
-ElementSetSpecs -> '...' ',' ElementSetSpec : {[],'$3'}.
-ElementSetSpecs -> ElementSetSpec ',' '...' ',' ElementSetSpec : {'$1','$5'}.
-
-ElementSetSpec -> Unions : '$1'.
-ElementSetSpec -> 'ALL' Exclusions : {'ALL','$2'}.
-
-Unions -> Intersections : '$1'.
-Unions -> UElems UnionMark IntersectionElements :
- case {'$1','$3'} of
- {{'SingleValue',V1},{'SingleValue',V2}} ->
- {'SingleValue',ordsets:union(to_set(V1),to_set(V2))}
- end.
-
-UElems -> Unions :'$1'.
-
-Intersections -> IntersectionElements :'$1'.
-Intersections -> IElems IntersectionMark IntersectionElements :
- case {'$1','$3'} of
- {{'SingleValue',V1},{'SingleValue',V2}} ->
- {'SingleValue',ordsets:intersection(to_set(V1),to_set(V2))};
- {V1,V2} when list(V1) ->
- V1 ++ [V2];
- {V1,V2} ->
- [V1,V2]
- end.
-%Intersections -> IElems '^' IntersectionElements :{'INTERSECTION','$1','$3'}.
-%Intersections -> IElems 'INTERSECTION' IntersectionElements :{'INTERSECTION','$1','$3'}.
-
-IElems -> Intersections :'$1'.
-
-IntersectionElements -> Elements :'$1'.
-IntersectionElements -> Elems Exclusions :{'$1','$2'}.
-
-Elems -> Elements :'$1'.
-
-Exclusions -> 'EXCEPT' Elements :{'EXCEPT','$2'}.
-
-IntersectionMark -> 'INTERSECTION':'$1'.
-IntersectionMark -> '^':'$1'.
-UnionMark -> 'UNION':'$1'.
-UnionMark -> '|':'$1'.
-
-
-Elements -> SubTypeElements : '$1'.
-%Elements -> ObjectSetElements : '$1'.
-Elements -> '(' ElementSetSpec ')' : '$2'.
-Elements -> ReferencedType : '$1'.
-
-SubTypeElements -> ValueList : {'SingleValue','$1'}. % NOTE it must be a Value
-% The rule above modifyed only because of conflicts
-SubTypeElements -> 'INCLUDES' Type : {'ContainedSubType','$2'}.
-%not lalr1 if this is activated SubTypeElements -> Type : {'TypeConstraint','$1'}.
-SubTypeElements -> LowerEndpoint '..' UpperEndpoint : {'ValueRange',{'$1','$3'}}.
-SubTypeElements -> 'FROM' Constraint : {'PermittedAlphabet','$2'#constraint.c}.
-SubTypeElements -> 'SIZE' Constraint: {'SizeConstraint','$2'#constraint.c}.
-% later will introduce conflicts related to NULL SubTypeElements -> Type : {'TypeConstraint','$1'}.
-SubTypeElements -> 'WITH' 'COMPONENT' Constraint:{'WITH COMPONENT','$3'}.
-SubTypeElements -> 'WITH' 'COMPONENTS' '{' TypeConstraints '}':{'WITH COMPONENTS',{'FullSpecification','$4'}}.
-SubTypeElements -> 'WITH' 'COMPONENTS' '{' '...' ',' TypeConstraints '}' :{'WITH COMPONENTS',{'PartialSpecification','$3'}}.
-
-% inlined above InnerTypeConstraints ::=
-% inlined above SingleTypeConstraint::= Constraint
-% inlined above MultipleTypeConstraints ::= FullSpecification | PartialSpecification
-% inlined above FullSpecification ::= "{" TypeConstraints "}"
-% inlined above PartialSpecification ::= "{" "..." "," TypeConstraints "}"
-% TypeConstraints -> identifier : [{'NamedConstraint',element(3,'$1'),undefined,undefined}]. % is this really meaningful or allowed
-TypeConstraints -> NamedConstraint : ['$1'].
-TypeConstraints -> NamedConstraint ',' TypeConstraints : ['$1'|'$3'].
-TypeConstraints -> identifier : ['$1'].
-TypeConstraints -> identifier ',' TypeConstraints : ['$1'|'$3'].
-
-NamedConstraint -> identifier Constraint PresenceConstraint :{'NamedConstraint',element(3,'$1'),'$2','$3'}.
-NamedConstraint -> identifier Constraint :{'NamedConstraint',element(3,'$1'),'$2',undefined}.
-NamedConstraint -> identifier PresenceConstraint :{'NamedConstraint',element(3,'$1'),undefined,'$2'}.
-
-PresenceConstraint -> 'PRESENT' : 'PRESENT'.
-PresenceConstraint -> 'ABSENT' : 'ABSENT'.
-PresenceConstraint -> 'OPTIONAL' : 'OPTIONAL'.
-
-
-
-LowerEndpoint -> LowerEndValue :'$1'.
-%LowerEndpoint -> LowerEndValue '<':{gt,'$1'}.
-LowerEndpoint -> LowerEndValue '<':('$1'+1).
-
-UpperEndpoint -> UpperEndValue :'$1'.
-%UpperEndpoint -> '<' UpperEndValue :{lt,'$2'}.
-UpperEndpoint -> '<' UpperEndValue :('$2'-1).
-
-LowerEndValue -> Value :'$1'.
-LowerEndValue -> 'MIN' :'MIN'.
-
-UpperEndValue -> Value :'$1'.
-UpperEndValue -> 'MAX' :'MAX'.
-
-
-% X.681
-
-
-% X.681 chap 15
-
-%TypeFromObject -> ReferencedObjects '.' FieldName : {'$1','$3'}.
-TypeFromObject -> typereference '.' FieldName : {'$1','$3'}.
-
-ReferencedObjects -> typereference : '$1'.
-%ReferencedObjects -> ParameterizedObject
-%ReferencedObjects -> DefinedObjectSet
-%ReferencedObjects -> ParameterizedObjectSet
-
-FieldName -> typefieldreference : ['$1'].
-FieldName -> valuefieldreference : ['$1'].
-FieldName -> FieldName '.' FieldName : ['$1' | '$3'].
-
-PrimitiveFieldName -> typefieldreference : '$1'.
-PrimitiveFieldName -> valuefieldreference : '$1'.
-
-%ObjectSetAssignment -> typereference DefinedObjectClass '::=' ObjectSet: null.
-ObjectSetAssignment -> typereference typereference '::=' ObjectSet :
- #typedef{pos=element(2,'$1'),name=element(3,'$1'),typespec={'ObjectSet',element(3,'$2'), '$4'}}.
-ObjectSetAssignment -> typereference typereference '.' typereference '::=' ObjectSet.
-
-ObjectSet -> '{' ElementSetSpecs '}' : '$2'.
-ObjectSet -> '{' '...' '}' : ['EXTENSIONMARK'].
-
-%ObjectSetElements -> Object.
-% ObjectSetElements -> identifier : '$1'.
-%ObjectSetElements -> DefinedObjectSet.
-%ObjectSetElements -> ObjectSetFromObjects.
-%ObjectSetElements -> ParameterizedObjectSet.
-
-%ObjectAssignment -> identifier DefinedObjectClass '::=' Object.
-ObjectAssignment -> ValueAssignment.
-%ObjectAssignment -> identifier typereference '::=' Object.
-%ObjectAssignment -> identifier typereference '.' typereference '::=' Object.
-
-%Object -> DefinedObject: '$1'.
-%Object -> ExternalObjectReference: '$1'.%Object -> DefinedObject: '$1'.
-Object -> typereference '.' identifier: '$1'.%Object -> DefinedObject: '$1'.
-Object -> identifier: '$1'.%Object -> DefinedObject: '$1'.
-
-%Object -> ObjectDefn -> DefaultSyntax: '$1'.
-Object -> '{' FieldSetting ',' FieldSettings '}' : ['$2'|'$4'].
-Object -> '{' FieldSetting '}' :['$2'].
-
-%% For User-friendly notation
-%% Object -> ObjectDefn -> DefinedSyntax
-Object -> '{' '}'.
-Object -> '{' DefinedSyntaxTokens '}'.
-
-% later Object -> ParameterizedObject: '$1'. look in x.683
-
-%DefinedObject -> ExternalObjectReference: '$1'.
-%DefinedObject -> identifier: '$1'.
-
-DefinedObjectClass -> typereference.
-%DefinedObjectClass -> objectclassreference.
-DefinedObjectClass -> ExternalObjectClassReference.
-%DefinedObjectClass -> typereference '.' objectclassreference.
-%%DefinedObjectClass -> UsefulObjectClassReference.
-
-ExternalObjectReference -> typereference '.' identifier.
-ExternalObjectClassReference -> typereference '.' typereference.
-%%ExternalObjectClassReference -> typereference '.' objectclassreference.
-
-ObjectDefn -> DefaultSyntax: '$1'.
-%ObjectDefn -> DefinedSyntax: '$1'.
-
-ObjectFromObject -> ReferencedObjects '.' FieldName : {'ObjectFromObject','$1','$3'}.
-
-% later look in x.683 ParameterizedObject ->
-
-%DefaultSyntax -> '{' '}'.
-%DefaultSyntax -> '{' FieldSettings '}': '$2'.
-DefaultSyntax -> '{' FieldSetting ',' FieldSettings '}': '$2'.
-DefaultSyntax -> '{' FieldSetting '}': '$2'.
-
-FieldSetting -> PrimitiveFieldName Setting: {'$1','$2'}.
-
-FieldSettings -> FieldSetting ',' FieldSettings: ['$1'|'$3'].
-FieldSettings -> FieldSetting ',' FieldSettings: ['$1'|'$3'].
-FieldSettings -> FieldSetting: '$1'.
-
-%DefinedSyntax -> '{' '}'.
-DefinedSyntax -> '{' DefinedSyntaxTokens '}': '$2'.
-
-DefinedSyntaxTokens -> DefinedSyntaxToken: '$1'.
-DefinedSyntaxTokens -> DefinedSyntaxToken DefinedSyntaxTokens: ['$1'|'$2'].
-
-% expanded DefinedSyntaxToken -> Literal: '$1'.
-%DefinedSyntaxToken -> typereference: '$1'.
-DefinedSyntaxToken -> word: '$1'.
-DefinedSyntaxToken -> ',': '$1'.
-DefinedSyntaxToken -> Setting: '$1'.
-%DefinedSyntaxToken -> '$empty': nil .
-
-% Setting ::= Type|Value|ValueSet|Object|ObjectSet
-Setting -> Type: '$1'.
-%Setting -> Value: '$1'.
-%Setting -> ValueNotNull: '$1'.
-Setting -> BuiltinValue: '$1'.
-Setting -> ValueSet: '$1'.
-%Setting -> Object: '$1'.
-%Setting -> ExternalObjectReference.
-Setting -> typereference '.' identifier.
-Setting -> identifier.
-Setting -> ObjectDefn.
-
-Setting -> ObjectSet: '$1'.
-
-
-Erlang code.
-%%-author('[email protected]').
--copyright('Copyright (c) 1991-99 Ericsson Telecom AB').
--vsn('$Revision: /main/release/1 $').
--include("asn1_records.hrl").
-
-to_set(V) when list(V) ->
- ordsets:list_to_set(V);
-to_set(V) ->
- ordsets:list_to_set([V]).
-
-merge_constraints({Rlist,ExtList}) -> % extensionmarker in constraint
- {merge_constraints(Rlist,[],[]),
- merge_constraints(ExtList,[],[])};
-
-merge_constraints(Clist) ->
- merge_constraints(Clist, [], []).
-
-merge_constraints([Ch|Ct],Cacc, Eacc) ->
- NewEacc = case Ch#constraint.e of
- undefined -> Eacc;
- E -> [E|Eacc]
- end,
- merge_constraints(Ct,[fixup_constraint(Ch#constraint.c)|Cacc],NewEacc);
-
-merge_constraints([],Cacc,[]) ->
- lists:flatten(Cacc);
-merge_constraints([],Cacc,Eacc) ->
- lists:flatten(Cacc) ++ [{'Errors',Eacc}].
-
-fixup_constraint(C) ->
- case C of
- {'SingleValue',V} when list(V) ->
- [C,
- {'ValueRange',{lists:min(V),lists:max(V)}}];
- {'PermittedAlphabet',{'SingleValue',V}} when list(V) ->
- V2 = {'SingleValue',
- ordsets:list_to_set(lists:flatten(V))},
- {'PermittedAlphabet',V2};
- {'PermittedAlphabet',{'SingleValue',V}} ->
- V2 = {'SingleValue',[V]},
- {'PermittedAlphabet',V2};
- {'SizeConstraint',Sc} ->
- {'SizeConstraint',fixup_size_constraint(Sc)};
-
- List when list(List) ->
- [fixup_constraint(Xc)||Xc <- List];
- Other ->
- Other
- end.
-
-fixup_size_constraint({'ValueRange',{Lb,Ub}}) ->
- {Lb,Ub};
-fixup_size_constraint({{'ValueRange',R},[]}) ->
- {R,[]};
-fixup_size_constraint({[],{'ValueRange',R}}) ->
- {[],R};
-fixup_size_constraint({{'ValueRange',R1},{'ValueRange',R2}}) ->
- {R1,R2};
-fixup_size_constraint({'SingleValue',[Sv]}) ->
- fixup_size_constraint({'SingleValue',Sv});
-fixup_size_constraint({'SingleValue',L}) when list(L) ->
- ordsets:list_to_set(L);
-fixup_size_constraint({'SingleValue',L}) ->
- {L,L};
-fixup_size_constraint({C1,C2}) ->
- {fixup_size_constraint(C1), fixup_size_constraint(C2)}.
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/lib/asn1/src/asn1ct_parser2.erl b/lib/asn1/src/asn1ct_parser2.erl index 1abccc8626..2de9b0e2f0 100644 --- a/lib/asn1/src/asn1ct_parser2.erl +++ b/lib/asn1/src/asn1ct_parser2.erl @@ -2,52 +2,75 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2013. All Rights Reserved. +%% Copyright Ericsson AB 2000-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1ct_parser2). --export([parse/1]). +-export([parse/2,format_error/1]). -include("asn1_records.hrl"). %% Only used internally within this module. -record(typereference, {pos,val}). --record(constraint,{c,e}). - -%% parse all types in module -parse(Tokens) -> - case catch parse_ModuleDefinition(Tokens) of - {'EXIT',Reason} -> - {error,{{undefined,get(asn1_module), - [internal,error,'when',parsing,module,definition,Reason]}, - hd(Tokens)}}; - {asn1_error,Reason} -> - {error,{Reason,hd(Tokens)}}; - {ModuleDefinition,Rest1} -> - {Types,Rest2} = parse_AssignmentList(Rest1), - case Rest2 of - [{'END',_}|_Rest3] -> - {ok,ModuleDefinition#module{typeorval = Types}}; - _ -> - {error,{{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'END']}, - hd(Rest2)}} - end +-record(constraint, {c,e}). +-record(identifier, {pos,val}). + +parse(File0, Tokens0) -> + try do_parse(Tokens0) of + {ok,#module{}}=Result -> + Result + catch + throw:{asn1_error,Fun} when is_function(Fun, 0) -> + handle_parse_error(File0, Fun()); + throw:{asn1_error,{parse_error,Tokens}} -> + handle_parse_error(File0, Tokens) + after + clean_process_dictionary() + end. + +handle_parse_error(File0, [Token|_]) -> + File = filename:basename(File0), + Line = get_line(Token), + Error = {structured_error,{File,Line},?MODULE, + {syntax_error,get_token(Token)}}, + {error,[Error]}. + +do_parse(Tokens0) -> + {ModuleDefinition,Tokens1} = parse_ModuleDefinition(Tokens0), + {Types,Tokens2} = parse_AssignmentList(Tokens1), + case Tokens2 of + [{'END',_}|_Rest3] -> + {ok,ModuleDefinition#module{typeorval=Types}}; + _ -> + parse_error(Tokens2) end. +clean_process_dictionary() -> + Mod = erase(asn1_module), + _ = erase({Mod,imports}), + _ = erase(tagdefault), + _ = erase(extensiondefault), + ok. + +format_error({syntax_error,Token}) when is_atom(Token) -> + io_lib:format("syntax error before: '~s'", [Token]); +format_error({syntax_error,Token}) -> + io_lib:format("syntax error before: '~p'", [Token]). + parse_ModuleDefinition([{typereference,L1,ModuleIdentifier}|Rest0]) -> put(asn1_module,ModuleIdentifier), {_DefinitiveIdentifier,Rest02} = @@ -61,9 +84,7 @@ parse_ModuleDefinition([{typereference,L1,ModuleIdentifier}|Rest0]) -> [{'DEFINITIONS',_}|Rest03] -> Rest03; _ -> - throw({asn1_error,{get_line(hd(Rest02)),get(asn1_module), - [got,get_token(hd(Rest02)), - expected,'DEFINITIONS']}}) + parse_error(Rest02) end, {TagDefault,Rest2} = case Rest of @@ -95,23 +116,24 @@ parse_ModuleDefinition([{typereference,L1,ModuleIdentifier}|Rest0]) -> extensiondefault = ExtensionDefault, exports = Exports, imports = {imports, Imports}}, Rest6}; - _ -> throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,"::= BEGIN"]}}) + _ -> + parse_error(Rest3) end; parse_ModuleDefinition(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,typereference]}}). + parse_error(Tokens). parse_Exports([{'EXPORTS',_L1},{';',_L2}|Rest]) -> {{exports,[]},Rest}; +parse_Exports([{'EXPORTS',_},{'ALL',_},{';',_}|Rest]) -> + %% Same as no exports definition. + {{exports,all},Rest}; parse_Exports([{'EXPORTS',_L1}|Rest]) -> {SymbolList,Rest2} = parse_SymbolList(Rest), case Rest2 of [{';',_}|Rest3] -> {{exports,SymbolList},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,';']}}) + parse_error(Rest2) end; parse_Exports(Rest) -> {{exports,all},Rest}. @@ -125,29 +147,25 @@ parse_SymbolList(Tokens,Acc) -> [{',',_L1}|Rest2] -> parse_SymbolList(Rest2,[Symbol|Acc]); Rest2 -> - {lists:reverse([Symbol|Acc]),Rest2} + {lists:reverse(Acc, [Symbol]),Rest2} end. parse_Symbol(Tokens) -> parse_Reference(Tokens). parse_Reference([{typereference,L1,TrefName},{'{',_L2},{'}',_L3}|Rest]) -> -% {Tref,Rest}; {tref2Exttref(L1,TrefName),Rest}; parse_Reference([Tref1 = {typereference,_,_},{'.',_},Tref2 = {typereference,_,_}, {'{',_L2},{'}',_L3}|Rest]) -> -% {{Tref1,Tref2},Rest}; {{tref2Exttref(Tref1),tref2Exttref(Tref2)},Rest}; parse_Reference([Tref = {typereference,_L1,_TrefName}|Rest]) -> {tref2Exttref(Tref),Rest}; -parse_Reference([Vref = {identifier,_L1,_VName},{'{',_L2},{'}',_L3}|Rest]) -> +parse_Reference([#identifier{}=Vref,{'{',_L2},{'}',_L3}|Rest]) -> {identifier2Extvalueref(Vref),Rest}; -parse_Reference([Vref = {identifier,_L1,_VName}|Rest]) -> +parse_Reference([#identifier{}=Vref|Rest]) -> {identifier2Extvalueref(Vref),Rest}; parse_Reference(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [typereference,identifier]]}}). + parse_error(Tokens). parse_Imports([{'IMPORTS',_L1},{';',_L2}|Rest]) -> {{imports,[]},Rest}; @@ -156,9 +174,8 @@ parse_Imports([{'IMPORTS',_L1}|Rest]) -> case Rest2 of [{';',_L2}|Rest3] -> {{imports,SymbolsFromModuleList},Rest3}; - Rest3 -> - throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,';']}}) + _ -> + parse_error(Rest2) end; parse_Imports(Tokens) -> {{imports,[]},Tokens}. @@ -168,11 +185,12 @@ parse_SymbolsFromModuleList(Tokens) -> parse_SymbolsFromModuleList(Tokens,Acc) -> {SymbolsFromModule,Rest} = parse_SymbolsFromModule(Tokens), - case (catch parse_SymbolsFromModule(Rest)) of + try parse_SymbolsFromModule(Rest) of {Sl,_Rest2} when is_record(Sl,'SymbolsFromModule') -> - parse_SymbolsFromModuleList(Rest,[SymbolsFromModule|Acc]); - _ -> - {lists:reverse([SymbolsFromModule|Acc]),Rest} + parse_SymbolsFromModuleList(Rest, [SymbolsFromModule|Acc]) + catch + throw:{asn1_error,_} -> + {lists:reverse(Acc, [SymbolsFromModule]),Rest} end. parse_SymbolsFromModule(Tokens) -> @@ -186,169 +204,154 @@ parse_SymbolsFromModule(Tokens) -> end, {SymbolList,Rest} = parse_SymbolList(Tokens), case Rest of - [{'FROM',_L1},Tref = {typereference,_,Name},Ref={identifier,_L2,_Id},C={',',_}|Rest2] -> - NewSymbolList = lists:map(SetRefModuleName(Name),SymbolList), + [{'FROM',_L1},{typereference,_,Name}=Tref| + [#identifier{},{',',_}|_]=Rest2] -> + NewSymbolList = lists:map(SetRefModuleName(Name), SymbolList), {#'SymbolsFromModule'{symbols=NewSymbolList, - module=tref2Exttref(Tref)},[Ref,C|Rest2]}; + module=tref2Exttref(Tref)},Rest2}; %% This a special case when there is only one Symbol imported %% from the next module. No other way to distinguish Ref from %% a part of the GlobalModuleReference of Name. - [{'FROM',_L1},Tref = {typereference,_,Name},Ref = {identifier,_L2,_Id},From = {'FROM',_}|Rest2] -> - NewSymbolList = lists:map(SetRefModuleName(Name),SymbolList), + [{'FROM',_L1},{typereference,_,Name}=Tref| + [#identifier{},{'FROM',_}|_]=Rest2] -> + NewSymbolList = lists:map(SetRefModuleName(Name), SymbolList), {#'SymbolsFromModule'{symbols=NewSymbolList, - module=tref2Exttref(Tref)},[Ref,From|Rest2]}; - [{'FROM',_L1},Tref = {typereference,_,Name},{identifier,_L2,_Id}|Rest2] -> - NewSymbolList = lists:map(SetRefModuleName(Name),SymbolList), + module=tref2Exttref(Tref)},Rest2}; + [{'FROM',_L1},{typereference,_,Name}=Tref,#identifier{}|Rest2] -> + NewSymbolList = lists:map(SetRefModuleName(Name), SymbolList), {#'SymbolsFromModule'{symbols=NewSymbolList, module=tref2Exttref(Tref)},Rest2}; - [{'FROM',_L1},Tref = {typereference,_,Name},Brace = {'{',_}|Rest2] -> - {_ObjIdVal,Rest3} = parse_ObjectIdentifierValue([Brace|Rest2]), % value not used yet, fix me - NewSymbolList = lists:map(SetRefModuleName(Name),SymbolList), + [{'FROM',_L1},{typereference,_,Name}=Tref|[{'{',_}|_]=Rest2] -> + {_ObjIdVal,Rest3} = parse_ObjectIdentifierValue(Rest2), % value not used yet, fix me + NewSymbolList = lists:map(SetRefModuleName(Name), SymbolList), {#'SymbolsFromModule'{symbols=NewSymbolList, module=tref2Exttref(Tref)},Rest3}; - [{'FROM',_L1},Tref = {typereference,_,Name}|Rest2] -> - NewSymbolList = lists:map(SetRefModuleName(Name),SymbolList), + [{'FROM',_L1},{typereference,_,Name}=Tref|Rest2] -> + NewSymbolList = lists:map(SetRefModuleName(Name), SymbolList), {#'SymbolsFromModule'{symbols=NewSymbolList, module=tref2Exttref(Tref)},Rest2}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected, - ['FROM typerefernece identifier ,', - 'FROM typereference identifier', - 'FROM typereference {', - 'FROM typereference']]}}) + parse_error(Rest) end. parse_ObjectIdentifierValue([{'{',_}|Rest]) -> parse_ObjectIdentifierValue(Rest,[]). -parse_ObjectIdentifierValue([{number,_,Num}|Rest],Acc) -> +parse_ObjectIdentifierValue([{number,_,Num}|Rest], Acc) -> parse_ObjectIdentifierValue(Rest,[Num|Acc]); -parse_ObjectIdentifierValue([{identifier,_,Id},{'(',_}, {number,_,Num}, {')',_}|Rest],Acc) -> +parse_ObjectIdentifierValue([#identifier{val=Id},{'(',_},{number,_,Num},{')',_}|Rest], Acc) -> parse_ObjectIdentifierValue(Rest,[{'NamedNumber',Id,Num}|Acc]); -parse_ObjectIdentifierValue([{identifier,_,Id},{'(',_}, {identifier,_,Id2}, {')',_}|Rest],Acc) -> +parse_ObjectIdentifierValue([#identifier{val=Id},{'(',_},#identifier{val=Id2},{')',_}|Rest], Acc) -> parse_ObjectIdentifierValue(Rest,[{'NamedNumber',Id,Id2}|Acc]); -parse_ObjectIdentifierValue([{identifier,_,Id},{'(',_}, {typereference,_,Tref},{'.',_},{identifier,_,Id2}, {')',_}|Rest],Acc) -> - parse_ObjectIdentifierValue(Rest,[{'NamedNumber',Id,{'ExternalValue',Tref,Id2}}|Acc]); -parse_ObjectIdentifierValue([Id = {identifier,_,_}|Rest],Acc) -> - parse_ObjectIdentifierValue(Rest,[identifier2Extvalueref(Id)|Acc]); -parse_ObjectIdentifierValue([{'}',_}|Rest],Acc) -> +parse_ObjectIdentifierValue([#identifier{val=Id},{'(',_},{typereference,_,Tref},{'.',_},#identifier{val=Id2}, {')',_}|Rest], Acc) -> + parse_ObjectIdentifierValue(Rest, [{'NamedNumber',Id,{'ExternalValue',Tref,Id2}}|Acc]); +parse_ObjectIdentifierValue([#identifier{}=Id|Rest], Acc) -> + parse_ObjectIdentifierValue(Rest, [identifier2Extvalueref(Id)|Acc]); +parse_ObjectIdentifierValue([{'}',_}|Rest], Acc) -> {lists:reverse(Acc),Rest}; -parse_ObjectIdentifierValue([H|_T],_Acc) -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected, - ['{ some of the following }',number,'identifier ( number )', - 'identifier ( identifier )', - 'identifier ( typereference.identifier)',identifier]]}}). +parse_ObjectIdentifierValue(Tokens, _Acc) -> + parse_error(Tokens). -parse_AssignmentList(Tokens = [{'END',_}|_Rest]) -> - {[],Tokens}; -parse_AssignmentList(Tokens = [{'$end',_}|_Rest]) -> - {[],Tokens}; parse_AssignmentList(Tokens) -> - parse_AssignmentList(Tokens,[]). + parse_AssignmentList(Tokens, []). -parse_AssignmentList(Tokens= [{'END',_}|_Rest],Acc) -> +parse_AssignmentList([{'END',_}|_]=Tokens, Acc) -> {lists:reverse(Acc),Tokens}; -parse_AssignmentList(Tokens= [{'$end',_}|_Rest],Acc) -> +parse_AssignmentList([{'$end',_}|_]=Tokens, Acc) -> {lists:reverse(Acc),Tokens}; -parse_AssignmentList(Tokens,Acc) -> - case (catch parse_Assignment(Tokens)) of - {'EXIT',Reason} -> - exit(Reason); - {asn1_error,R} -> -% [H|T] = Tokens, - throw({error,{R,hd(Tokens)}}); - {Assignment,Rest} -> - parse_AssignmentList(Rest,[Assignment|Acc]) - end. - -parse_Assignment(Tokens) -> - Flist = [fun parse_TypeAssignment/1, - fun parse_ValueAssignment/1, - fun parse_ObjectClassAssignment/1, - fun parse_ObjectAssignment/1, - fun parse_ObjectSetAssignment/1, - fun parse_ParameterizedAssignment/1, +parse_AssignmentList(Tokens0, Acc) -> + {Assignment,Tokens} = parse_Assignment(Tokens0), + parse_AssignmentList(Tokens, [Assignment|Acc]). + +parse_Assignment([{typereference,L1,Name},{'::=',_}|Tokens0]) -> + %% 1) Type ::= TypeDefinition + %% 2) CLASS-NAME ::= CLASS {...} + Flist = [{type,fun parse_Type/1}, + {class,fun parse_ObjectClass/1}], + case parse_or_tag(Tokens0, Flist) of + {{type,Type},Tokens} -> + %% TypeAssignment + {#typedef{pos=L1,name=Name,typespec=Type},Tokens}; + {{class,Type},Tokens} -> + %% ObjectClassAssignment + {#classdef{pos=L1,name=Name,module=resolve_module(Type), + typespec=Type},Tokens} + end; +parse_Assignment([{typereference,_,_},{'{',_}|_]=Tokens) -> + %% 1) Type{...} ::= ... + %% 2) ValueSet{...} Type ::= ... + %% ObjectSet{...} CLASS-NAME ::= CLASS {...} + %% 3) CLASS-NAME{...} ::= CLASS {...} + %% A parameterized value set and and a parameterized object set + %% cannot be distinguished from each other without type information. + Flist = [fun parse_ParameterizedTypeAssignment/1, + fun parse_ParameterizedValueSetTypeAssignment/1, + fun parse_ParameterizedObjectClassAssignment/1], + parse_or(Tokens, Flist); +parse_Assignment([{typereference,_,_}|_]=Tokens) -> + %% 1) ObjectSet CLASS-NAME ::= ... + %% 2) ValueSet Type ::= ... + Flist = [fun parse_ObjectSetAssignment/1, fun parse_ValueSetTypeAssignment/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - {asn1_assignment_error,Reason} -> - throw({asn1_error,Reason}); - Result -> - Result - end. - + parse_or(Tokens, Flist); +parse_Assignment([#identifier{},{'{',_}|_]=Tokens) -> + %% 1) value{...} Type ::= ... + %% 2) object{...} CLASS-NAME ::= ... + Flist = [fun parse_ParameterizedValueAssignment/1, + fun parse_ParameterizedObjectAssignment/1], + parse_or(Tokens, Flist); +parse_Assignment([#identifier{}|_]=Tokens) -> + %% 1) value Type ::= ... + %% 2) object CLASS-NAME ::= ... + Flist = [fun parse_ValueAssignment/1, + fun parse_ObjectAssignment/1], + parse_or(Tokens, Flist); +parse_Assignment(Tokens) -> + parse_error(Tokens). parse_or(Tokens,Flist) -> parse_or(Tokens,Flist,[]). -parse_or(_Tokens,[],ErrList) -> - case ErrList of - [] -> - throw({asn1_error,{parse_or,ErrList}}); - L when is_list(L) -> - %% chose to throw 1) the error with the highest line no, - %% 2) the last error which is not a asn1_assignment_error or - %% 3) the last error. - throw(prioritize_error(ErrList)) +parse_or(Tokens, [Fun|Funs], ErrList) when is_function(Fun, 1) -> + try Fun(Tokens) of + {_,Rest}=Result when is_list(Rest) -> + Result + catch + throw:{asn1_error,Error} -> + parse_or(Tokens, Funs, [Error|ErrList]) end; -parse_or(Tokens,[Fun|Frest],ErrList) -> - case (catch Fun(Tokens)) of - Exit = {'EXIT',_Reason} -> - parse_or(Tokens,Frest,[Exit|ErrList]); - AsnErr = {asn1_error,_} -> - parse_or(Tokens,Frest,[AsnErr|ErrList]); - AsnAssErr = {asn1_assignment_error,_} -> - parse_or(Tokens,Frest,[AsnAssErr|ErrList]); - Result = {_,L} when is_list(L) -> - Result; - Error -> - parse_or(Tokens,Frest,[Error|ErrList]) - end. - -parse_or_tag(Tokens,Flist) -> - parse_or_tag(Tokens,Flist,[]). - -parse_or_tag(_Tokens,[],ErrList) -> - case ErrList of - [] -> - throw({asn1_error,{parse_or_tag,ErrList}}); - L when is_list(L) -> - %% chose to throw 1) the error with the highest line no, - %% 2) the last error which is not a asn1_assignment_error or - %% 3) the last error. - throw(prioritize_error(ErrList)) +parse_or(_Tokens, [], ErrList) -> + throw({asn1_error,fun() -> prioritize_error(ErrList) end}). + +parse_or_tag(Tokens, Flist) -> + parse_or_tag(Tokens, Flist, []). + +parse_or_tag(Tokens, [{Tag,Fun}|Funs], ErrList) when is_function(Fun, 1) -> + try Fun(Tokens) of + {Parsed,Rest} when is_list(Rest) -> + {{Tag,Parsed},Rest} + catch + throw:{asn1_error,Error} -> + parse_or_tag(Tokens, Funs, [Error|ErrList]) end; -parse_or_tag(Tokens,[{Tag,Fun}|Frest],ErrList) when is_function(Fun) -> - case (catch Fun(Tokens)) of - Exit = {'EXIT',_Reason} -> - parse_or_tag(Tokens,Frest,[Exit|ErrList]); - AsnErr = {asn1_error,_} -> - parse_or_tag(Tokens,Frest,[AsnErr|ErrList]); - AsnAssErr = {asn1_assignment_error,_} -> - parse_or_tag(Tokens,Frest,[AsnAssErr|ErrList]); - {ParseRes,Rest} when is_list(Rest) -> - {{Tag,ParseRes},Rest}; - Error -> - parse_or_tag(Tokens,Frest,[Error|ErrList]) - end. +parse_or_tag(_Tokens, [], ErrList) -> + throw({asn1_error,fun() -> prioritize_error(ErrList) end}). + +prioritize_error(Errors0) -> + Errors1 = prioritize_error_1(Errors0), + Errors2 = [{length(L),L} || L <- Errors1], + Errors = lists:sort(Errors2), + [Res|_] = [L || {_,L} <- Errors], + Res. + +prioritize_error_1([F|T]) when is_function(F, 0) -> + [F()|prioritize_error_1(T)]; +prioritize_error_1([{parse_error,Tokens}|T]) -> + [Tokens|prioritize_error_1(T)]; +prioritize_error_1([]) -> + []. -parse_TypeAssignment([{typereference,L1,Tref},{'::=',_}|Rest]) -> - {Type,Rest2} = parse_Type(Rest), - {#typedef{pos=L1,name=Tref,typespec=Type},Rest2}; -parse_TypeAssignment([H1,H2|_Rest]) -> - throw({asn1_assignment_error,{get_line(H1),get(asn1_module), - [got,[get_token(H1),get_token(H2)], expected, - typereference,'::=']}}); -parse_TypeAssignment([H|_T]) -> - throw({asn1_assignment_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected, - typereference]}}). %% parse_Type(Tokens) -> Ret %% @@ -358,9 +361,8 @@ parse_TypeAssignment([H|_T]) -> %% parse_Type(Tokens) -> {Tag,Rest3} = case Tokens of - [Lbr= {'[',_}|Rest] -> - parse_Tag([Lbr|Rest]); - Rest-> {[],Rest} + [{'[',_}|_] -> parse_Tag(Tokens); + _ -> {[],Tokens} end, {Tag2,Rest4} = case Rest3 of [{'IMPLICIT',_}|Rest31] when is_record(Tag,tag)-> @@ -372,31 +374,17 @@ parse_Type(Tokens) -> Rest31 -> {Tag,Rest31} end, - Flist = [fun parse_BuiltinType/1,fun parse_ReferencedType/1,fun parse_TypeWithConstraint/1], - {Type,Rest5} = case (catch parse_or(Rest4,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_Reason} -> - throw(AsnErr); - Result -> - Result - end, - case hd(Rest5) of - {'(',_} -> + Flist = [fun parse_BuiltinType/1, + fun parse_ReferencedType/1, + fun parse_TypeWithConstraint/1], + {Type,Rest5} = parse_or(Rest4, Flist), + case Rest5 of + [{'(',_}|_] -> {Constraints,Rest6} = parse_Constraints(Rest5), - if is_record(Type,type) -> - {Type#type{constraint=merge_constraints(Constraints), - tag=Tag2},Rest6}; - true -> - {#type{def=Type,constraint=merge_constraints(Constraints), - tag=Tag2},Rest6} - end; - _ -> - if is_record(Type,type) -> - {Type#type{tag=Tag2},Rest5}; - true -> - {#type{def=Type,tag=Tag2},Rest5} - end + {Type#type{tag=Tag2, + constraint=merge_constraints(Constraints)},Rest6}; + [_|_] -> + {Type#type{tag=Tag2},Rest5} end. parse_BuiltinType([{'BIT',_},{'STRING',_}|Rest]) -> @@ -407,11 +395,10 @@ parse_BuiltinType([{'BIT',_},{'STRING',_}|Rest]) -> [{'}',_}|Rest4] -> {#type{def={'BIT STRING',NamedNumberList}},Rest4}; _ -> - throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,'}']}}) + parse_error(Rest3) end; _ -> - {{'BIT STRING',[]},Rest} + {#type{def={'BIT STRING',[]}},Rest} end; parse_BuiltinType([{'BOOLEAN',_}|Rest]) -> {#type{def='BOOLEAN'},Rest}; @@ -423,41 +410,33 @@ parse_BuiltinType([{'CHARACTER',_},{'STRING',_}|Rest]) -> {#type{def='CHARACTER STRING'},Rest}; parse_BuiltinType([{'CHOICE',_},{'{',_}|Rest]) -> - {AlternativeTypeLists,Rest2} = parse_AlternativeTypeLists(Rest), - AlternativeTypeLists1 = - lists:filter(fun(#'ExtensionAdditionGroup'{}) -> false; - ('ExtensionAdditionGroupEnd') -> false; - (_) -> true - end,AlternativeTypeLists), + {L0,Rest2} = parse_AlternativeTypeLists(Rest), case Rest2 of [{'}',_}|Rest3] -> - AlternativeTypeLists2 = - case {[Ext||Ext = #'EXTENSIONMARK'{} <- AlternativeTypeLists1], - get(extensiondefault)} of - {[],'IMPLIED'} -> AlternativeTypeLists1 ++ [#'EXTENSIONMARK'{}]; - _ -> AlternativeTypeLists1 + NeedExt = not lists:keymember('EXTENSIONMARK', 1, L0) andalso + get(extensiondefault) =:= 'IMPLIED', + L = case NeedExt of + true -> + L0 ++ [#'EXTENSIONMARK'{}]; + false -> + L0 end, - - {#type{def={'CHOICE',AlternativeTypeLists2}},Rest3}; + {#type{def={'CHOICE',L}},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end; parse_BuiltinType([{'EMBEDDED',_},{'PDV',_}|Rest]) -> {#type{def='EMBEDDED PDV'},Rest}; parse_BuiltinType([{'ENUMERATED',_},{'{',_}|Rest]) -> - {Enumerations,Rest2} = parse_Enumerations(Rest,get(extensiondefault)), + {Enumerations,Rest2} = parse_Enumerations(Rest), case Rest2 of [{'}',_}|Rest3] -> {#type{def={'ENUMERATED',Enumerations}},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end; parse_BuiltinType([{'EXTERNAL',_}|Rest]) -> {#type{def='EXTERNAL'},Rest}; - -% InstanceOfType parse_BuiltinType([{'INSTANCE',_},{'OF',_}|Rest]) -> {DefinedObjectClass,Rest2} = parse_DefinedObjectClass(Rest), case Rest2 of @@ -468,9 +447,6 @@ parse_BuiltinType([{'INSTANCE',_},{'OF',_}|Rest]) -> _ -> {#type{def={'INSTANCE OF',DefinedObjectClass,[]}},Rest2} end; - -% parse_BuiltinType(Tokens) -> - parse_BuiltinType([{'INTEGER',_}|Rest]) -> case Rest of [{'{',_}|Rest2] -> @@ -479,17 +455,13 @@ parse_BuiltinType([{'INTEGER',_}|Rest]) -> [{'}',_}|Rest4] -> {#type{def={'INTEGER',NamedNumberList}},Rest4}; _ -> - throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,'}']}}) + parse_error(Rest3) end; _ -> {#type{def='INTEGER'},Rest} end; parse_BuiltinType([{'NULL',_}|Rest]) -> {#type{def='NULL'},Rest}; - -% ObjectClassFieldType fix me later - parse_BuiltinType([{'OBJECT',_},{'IDENTIFIER',_}|Rest]) -> {#type{def='OBJECT IDENTIFIER'},Rest}; parse_BuiltinType([{'OCTET',_},{'STRING',_}|Rest]) -> @@ -517,18 +489,14 @@ parse_BuiltinType([{'SEQUENCE',_},{'{',_},{'...',Line},{'!',_}|Rest]) -> parse_ComponentTypeLists2(Rest2,[#'EXTENSIONMARK'{pos=Line}]), case Rest3 of [{'}',_}|Rest4] -> - {#type{def=#'SEQUENCE'{components=ComponentTypeLists}},Rest4}; + {#type{def=#'SEQUENCE'{components=ComponentTypeLists}},Rest4}; _ -> - throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,'}']}}) + parse_error(Rest3) end -% _ -> % Seq case 4,17-19,23-26 will fail here -% throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), -% [got,get_token(hd(Rest2)),expected,'}']}}) end; parse_BuiltinType([{'SEQUENCE',_},{'{',_}|Rest]) -> {ComponentTypeLists,Rest2} = parse_ComponentTypeLists(Rest), - case Rest2 of + case Rest2 of [{'}',_}|Rest3] -> ComponentTypeLists2 = case {[Ext||Ext = #'EXTENSIONMARK'{} <- ComponentTypeLists], @@ -539,25 +507,19 @@ parse_BuiltinType([{'SEQUENCE',_},{'{',_}|Rest]) -> {#type{def=#'SEQUENCE'{components = ComponentTypeLists2}}, Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end; - -parse_BuiltinType([{'SEQUENCE',_},{'OF',_},Id={identifier,_,_},Lt={'<',_}|Rest]) -> -%% TODO: take care of the identifier for something useful - {Type,Rest2} = parse_SelectionType([Id,Lt|Rest]), - {#type{def={'SEQUENCE OF',#type{def=Type,tag=[]}}},Rest2}; - -parse_BuiltinType([{'SEQUENCE',_},{'OF',_},{identifier,_,_} |Rest]) -> +parse_BuiltinType([{'SEQUENCE',_},{'OF',_}| + [#identifier{},{'<',_}|_]=Tokens0]) -> + {Type,Tokens} = parse_SelectionType(Tokens0), + {#type{def={'SEQUENCE OF',Type}},Tokens}; +parse_BuiltinType([{'SEQUENCE',_},{'OF',_},#identifier{} |Rest]) -> %% TODO: take care of the identifier for something useful {Type,Rest2} = parse_Type(Rest), {#type{def={'SEQUENCE OF',Type}},Rest2}; - parse_BuiltinType([{'SEQUENCE',_},{'OF',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {#type{def={'SEQUENCE OF',Type}},Rest2}; - - parse_BuiltinType([{'SET',_},{'{',_},{'...',Line},{'}',_}|Rest]) -> {#type{def=#'SET'{components=[#'EXTENSIONMARK'{pos = Line}]}},Rest}; parse_BuiltinType([{'SET',_},{'{',_},{'...',Line},{'!',_}|Rest]) -> @@ -569,12 +531,18 @@ parse_BuiltinType([{'SET',_},{'{',_},{'...',Line},{'!',_}|Rest]) -> val = ExceptionIdentification}]}}, Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + {ComponentTypeLists,Rest3}= + parse_ComponentTypeLists2(Rest2,[#'EXTENSIONMARK'{pos=Line}]), + case Rest3 of + [{'}',_}|Rest4] -> + {#type{def=#'SET'{components=ComponentTypeLists}},Rest4}; + _ -> + parse_error(Rest3) + end end; parse_BuiltinType([{'SET',_},{'{',_}|Rest]) -> {ComponentTypeLists,Rest2} = parse_ComponentTypeLists(Rest), - case Rest2 of + case Rest2 of [{'}',_}|Rest3] -> ComponentTypeLists2 = case {[Ext||Ext = #'EXTENSIONMARK'{} <- ComponentTypeLists], @@ -585,184 +553,128 @@ parse_BuiltinType([{'SET',_},{'{',_}|Rest]) -> {#type{def=#'SET'{components = ComponentTypeLists2}}, Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end; - -parse_BuiltinType([{'SET',_},{'OF',_},Id={identifier,_,_},Lt={'<',_}|Rest]) -> -%% TODO: take care of the identifier for something useful - {Type,Rest2} = parse_SelectionType([Id,Lt|Rest]), - {#type{def={'SET OF',#type{def=Type,tag=[]}}},Rest2}; - - -parse_BuiltinType([{'SET',_},{'OF',_},{identifier,_,_}|Rest]) -> +parse_BuiltinType([{'SET',_},{'OF',_}| + [#identifier{},{'<',_}|_]=Tokens0]) -> + {Type,Tokens} = parse_SelectionType(Tokens0), + {#type{def={'SET OF',Type}},Tokens}; +parse_BuiltinType([{'SET',_},{'OF',_},#identifier{}|Rest]) -> %%TODO: take care of the identifier for something useful {Type,Rest2} = parse_Type(Rest), {#type{def={'SET OF',Type}},Rest2}; - parse_BuiltinType([{'SET',_},{'OF',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {#type{def={'SET OF',Type}},Rest2}; - -%% The so called Useful types parse_BuiltinType([{'GeneralizedTime',_}|Rest]) -> {#type{def='GeneralizedTime'},Rest}; parse_BuiltinType([{'UTCTime',_}|Rest]) -> {#type{def='UTCTime'},Rest}; parse_BuiltinType([{'ObjectDescriptor',_}|Rest]) -> {#type{def='ObjectDescriptor'},Rest}; - -%% For compatibility with old standard -parse_BuiltinType([{'ANY',_},{'DEFINED',_},{'BY',_},{identifier,_,Id}|Rest]) -> +parse_BuiltinType([{'ANY',_},{'DEFINED',_},{'BY',_},#identifier{val=Id}|Rest]) -> + %% For compatibility with the old standard. {#type{def={'ANY_DEFINED_BY',Id}},Rest}; parse_BuiltinType([{'ANY',_}|Rest]) -> + %% For compatibility with the old standard. {#type{def='ANY'},Rest}; - parse_BuiltinType(Tokens) -> parse_ObjectClassFieldType(Tokens). -% throw({asn1_error,unhandled_type}). -parse_TypeWithConstraint([{'SEQUENCE',_},Lpar = {'(',_}|Rest]) -> - {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), +parse_TypeWithConstraint([{'SEQUENCE',_}|[{'(',_}|_]=Rest0]) -> + {Constraint,Rest2} = parse_Constraint(Rest0), Rest4 = case Rest2 of - [{'OF',_}, {identifier,_,_Id}|Rest3] -> + [{'OF',_},#identifier{}|Rest3] -> %%% TODO: make some use of the identifier, maybe useful in the XML mapping Rest3; [{'OF',_}|Rest3] -> Rest3; _ -> - throw({asn1_error, - {get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) + parse_error(Rest2) end, {Type,Rest5} = parse_Type(Rest4), {#type{def = {'SEQUENCE OF',Type}, constraint = merge_constraints([Constraint])},Rest5}; -parse_TypeWithConstraint([{'SEQUENCE',_},{'SIZE',_},Lpar = {'(',_}|Rest]) -> - {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), +parse_TypeWithConstraint([{'SEQUENCE',_},{'SIZE',_}|[{'(',_}|_]=Rest0]) -> + {Constraint,Rest2} = parse_Constraint(Rest0), #constraint{c=C} = Constraint, - Constraint2 = Constraint#constraint{c={'SizeConstraint',C}}, + Constraint2 = Constraint#constraint{c={element_set,{'SizeConstraint',C}, + none}}, Rest4 = case Rest2 of - [{'OF',_}, {identifier,_,_Id}|Rest3] -> + [{'OF',_},#identifier{}|Rest3] -> %%% TODO: make some use of the identifier, maybe useful in the XML mapping Rest3; [{'OF',_}|Rest3] -> Rest3; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) + parse_error(Rest2) end, {Type,Rest5} = parse_Type(Rest4), {#type{def = {'SEQUENCE OF',Type}, constraint = merge_constraints([Constraint2])},Rest5}; -parse_TypeWithConstraint([{'SET',_},Lpar = {'(',_}|Rest]) -> - {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), +parse_TypeWithConstraint([{'SET',_}|[{'(',_}|_]=Rest0]) -> + {Constraint,Rest2} = parse_Constraint(Rest0), Rest4 = case Rest2 of - [{'OF',_}, {identifier,_,_Id}|Rest3] -> + [{'OF',_},#identifier{}|Rest3] -> %%% TODO: make some use of the identifier, maybe useful in the XML mapping Rest3; [{'OF',_}|Rest3] -> Rest3; _ -> - throw({asn1_error, - {get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) + parse_error(Rest2) end, {Type,Rest5} = parse_Type(Rest4), {#type{def = {'SET OF',Type}, constraint = merge_constraints([Constraint])},Rest5}; -parse_TypeWithConstraint([{'SET',_},{'SIZE',_},Lpar = {'(',_}|Rest]) -> - {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), +parse_TypeWithConstraint([{'SET',_},{'SIZE',_}|[{'(',_}|_]=Rest0]) -> + {Constraint,Rest2} = parse_Constraint(Rest0), #constraint{c=C} = Constraint, - Constraint2 = Constraint#constraint{c={'SizeConstraint',C}}, + Constraint2 = Constraint#constraint{c={element_set, + {'SizeConstraint',C},none}}, Rest4 = case Rest2 of - [{'OF',_}, {identifier,_,_Id}|Rest3] -> + [{'OF',_},#identifier{}|Rest3] -> %%% TODO: make some use of the identifier, maybe useful in the XML mapping Rest3; [{'OF',_}|Rest3] -> Rest3; _ -> - throw({asn1_error, - {get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) + parse_error(Rest2) end, {Type,Rest5} = parse_Type(Rest4), {#type{def = {'SET OF',Type}, constraint = merge_constraints([Constraint2])},Rest5}; parse_TypeWithConstraint(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - ['SEQUENCE','SEQUENCE SIZE','SET','SET SIZE'], - followed,by,a,constraint]}}). + parse_error(Tokens). %% -------------------------- parse_ReferencedType(Tokens) -> - Flist = [fun parse_DefinedType/1, + Flist = [fun parse_ParameterizedType/1, + fun parse_DefinedType/1, fun parse_SelectionType/1, - fun parse_TypeFromObject/1, - fun parse_ValueSetFromObjects/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + fun parse_TypeFromObject/1], + parse_or(Tokens, Flist). -parse_DefinedType(Tokens=[{typereference,_,_},{'{',_}|_Rest]) -> - parse_ParameterizedType(Tokens); -parse_DefinedType(Tokens=[{typereference,L1,TypeName}, - T2={typereference,_,_},T3={'{',_}|Rest]) -> - case (catch parse_ParameterizedType(Tokens)) of - {'EXIT',_Reason} -> - Rest2 = [T2,T3|Rest], - {#type{def = #'Externaltypereference'{pos=L1, - module=resolve_module(TypeName), - type=TypeName}},Rest2}; - {asn1_error,_} -> - Rest2 = [T2,T3|Rest], - {#type{def = #'Externaltypereference'{pos=L1, - module=resolve_module(TypeName), - type=TypeName}},Rest2}; - Result -> - Result - end; -parse_DefinedType(Tokens=[{typereference,_L1,_Module},{'.',_}, - {typereference,_,_TypeName},{'{',_}|_Rest]) -> - parse_ParameterizedType(Tokens); -parse_DefinedType([{typereference,L1,Module},{'.',_},{typereference,_,TypeName}|Rest]) -> - {#type{def = #'Externaltypereference'{pos=L1,module=Module,type=TypeName}},Rest}; -parse_DefinedType([{typereference,L1,TypeName}|Rest]) -> - case is_pre_defined_class(TypeName) of - false -> - {#type{def = #'Externaltypereference'{pos=L1,module=resolve_module(TypeName), - type=TypeName}},Rest}; - _ -> - throw({asn1_error, - {L1,get(asn1_module), - [got,TypeName,expected, - [typereference,'typereference.typereference', - 'typereference typereference']]}}) - end; +parse_DefinedType([{typereference,L1,Module}, + {'.',_}, + {typereference,_,TypeName}|Tokens]) -> + {#type{def = #'Externaltypereference'{pos=L1,module=Module, + type=TypeName}},Tokens}; +parse_DefinedType([{typereference,_,_}=Tr|Tokens]) -> + {#type{def=tref2Exttref(Tr)},Tokens}; parse_DefinedType(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [typereference,'typereference.typereference', - 'typereference typereference']]}}). + parse_error(Tokens). -parse_SelectionType([{identifier,_,Name},{'<',_}|Rest]) -> +parse_SelectionType([#identifier{val=Name},{'<',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), - {{'SelectionType',Name,Type},Rest2}; + {#type{def={'SelectionType',Name,Type}},Rest2}; parse_SelectionType(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'identifier <']}}). + parse_error(Tokens). resolve_module(Type) -> @@ -775,30 +687,13 @@ resolve_module(_Type, Current, undefined) -> resolve_module(Type, Current, Imports) -> case [Mod || #'SymbolsFromModule'{symbols = S, module = Mod} <- Imports, #'Externaltypereference'{type = T} <- S, - Type == T] of + Type =:= T] of [#'Externaltypereference'{type = Mod}|_] -> Mod; %% This allows the same symbol to be imported several times %% which ought to be checked elsewhere and flagged as an error [] -> Current end. -%% -------------------------- - - -%% This should probably be removed very soon -% parse_ConstrainedType(Tokens) -> -% case (catch parse_TypeWithConstraint(Tokens)) of -% {'EXIT',Reason} -> -% {Type,Rest} = parse_Type(Tokens), -% {Constraint,Rest2} = parse_Constraint(Rest), -% {Type#type{constraint=Constraint},Rest2}; -% {asn1_error,Reason2} -> -% {Type,Rest} = parse_Type(Tokens), -% {Constraint,Rest2} = parse_Constraint(Rest), -% {Type#type{constraint=Constraint},Rest2}; -% Result -> -% Result -% end. parse_Constraints(Tokens) -> parse_Constraints(Tokens,[]). @@ -807,9 +702,9 @@ parse_Constraints(Tokens,Acc) -> {Constraint,Rest} = parse_Constraint(Tokens), case Rest of [{'(',_}|_Rest2] -> - parse_Constraints(Rest,[Constraint|Acc]); + parse_Constraints(Rest, [Constraint|Acc]); _ -> - {lists:reverse([Constraint|Acc]),Rest} + {lists:reverse(Acc, [Constraint]),Rest} end. parse_Constraint([{'(',_}|Rest]) -> @@ -818,46 +713,27 @@ parse_Constraint([{'(',_}|Rest]) -> case Rest3 of [{')',_}|Rest4] -> {#constraint{c=Constraint,e=Exception},Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,')']}}) - end; -parse_Constraint(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'(']}}). + [_|_] -> + parse_error(Rest3) + end. parse_ConstraintSpec(Tokens) -> Flist = [fun parse_GeneralConstraint/1, fun parse_SubtypeConstraint/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - {asn1_error,Reason2} -> - throw({asn1_error,Reason2}); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_ExceptionSpec([LPar={')',_}|Rest]) -> {undefined,[LPar|Rest]}; parse_ExceptionSpec([{'!',_}|Rest]) -> parse_ExceptionIdentification(Rest); parse_ExceptionSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,[')','!']]}}). + parse_error(Tokens). parse_ExceptionIdentification(Tokens) -> Flist = [fun parse_SignedNumber/1, fun parse_DefinedValue/1, fun parse_TypeColonValue/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - {asn1_error,Reason2} -> - throw({asn1_error,Reason2}); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_TypeColonValue(Tokens) -> {Type,Rest} = parse_Type(Tokens), @@ -865,32 +741,28 @@ parse_TypeColonValue(Tokens) -> [{':',_}|Rest2] -> {Value,Rest3} = parse_Value(Rest2), {{Type,Value},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,':']}}) + [_|_] -> + parse_error(Rest) end. parse_SubtypeConstraint(Tokens) -> parse_ElementSetSpecs(Tokens). -parse_ElementSetSpecs([{'...',_}|Rest]) -> - {Elements,Rest2} = parse_ElementSetSpec(Rest), - {{[],Elements},Rest2}; parse_ElementSetSpecs(Tokens) -> {RootElems,Rest} = parse_ElementSetSpec(Tokens), case Rest of [{',',_},{'...',_},{',',_}|Rest2] -> {AdditionalElems,Rest3} = parse_ElementSetSpec(Rest2), - {{RootElems,AdditionalElems},Rest3}; + {{element_set,RootElems,AdditionalElems},Rest3}; [{',',_},{'...',_}|Rest2] -> - {{RootElems,[]},Rest2}; + {{element_set,RootElems,empty},Rest2}; _ -> - {RootElems,Rest} + {{element_set,RootElems,none},Rest} end. parse_ElementSetSpec([{'ALL',_},{'EXCEPT',_}|Rest]) -> {Exclusions,Rest2} = parse_Elements(Rest), - {{'ALL',{'EXCEPT',Exclusions}},Rest2}; + {{'ALL-EXCEPT',Exclusions},Rest2}; parse_ElementSetSpec(Tokens) -> parse_Unions(Tokens). @@ -906,14 +778,8 @@ parse_Unions(Tokens) -> case {InterSec,Unions} of {InterSec,[]} -> {InterSec,Rest2}; - {{'SingleValue',V1},{'SingleValue',V2}} -> - {{'SingleValue',ordsets:union(to_set(V1),to_set(V2))},Rest2}; - {V1,V2} when is_list(V2) -> - {[V1] ++ [union|V2],Rest2}; {V1,V2} -> - {[V1,union,V2],Rest2} -% Other -> -% throw(Other) + {{union,V1,V2},Rest2} end. parse_UnionsRec([{'|',_}|Rest]) -> @@ -922,12 +788,8 @@ parse_UnionsRec([{'|',_}|Rest]) -> case {InterSec,URec} of {V1,[]} -> {V1,Rest3}; - {{'SingleValue',V1},{'SingleValue',V2}} -> - {{'SingleValue',ordsets:union(to_set(V1),to_set(V2))},Rest3}; - {V1,V2} when is_list(V2) -> - {[V1] ++ [union|V2],Rest3}; {V1,V2} -> - {[V1,union,V2],Rest3} + {{union,V1,V2},Rest3} end; parse_UnionsRec([{'UNION',Info}|Rest]) -> parse_UnionsRec([{'|',Info}|Rest]); @@ -940,13 +802,8 @@ parse_Intersections(Tokens) -> case {InterSec,IRec} of {V1,[]} -> {V1,Rest2}; - {{'SingleValue',V1},{'SingleValue',V2}} -> - {{'SingleValue', - ordsets:intersection(to_set(V1),to_set(V2))},Rest2}; - {V1,V2} when is_list(V2) -> - {[V1] ++ [intersection|V2],Rest2}; {V1,V2} -> - {[V1,intersection,V2],Rest2} + {{intersection,V1,V2},Rest2} end. %% parse_IElemsRec(Tokens) -> Result @@ -955,15 +812,10 @@ parse_IElemsRec([{'^',_}|Rest]) -> {InterSec,Rest2} = parse_IntersectionElements(Rest), {IRec,Rest3} = parse_IElemsRec(Rest2), case {InterSec,IRec} of - {{'SingleValue',V1},{'SingleValue',V2}} -> - {{'SingleValue', - ordsets:intersection(to_set(V1),to_set(V2))},Rest3}; {V1,[]} -> - {V1,Rest3}; - {V1,V2} when is_list(V2) -> - {[V1] ++ [intersection|V2],Rest3}; + {V1,Rest2}; {V1,V2} -> - {[V1,intersection,V2],Rest3} + {{intersection,V1,V2},Rest3} end; parse_IElemsRec([{'INTERSECTION',Info}|Rest]) -> parse_IElemsRec([{'^',Info}|Rest]); @@ -980,7 +832,7 @@ parse_IntersectionElements(Tokens) -> case Rest of [{'EXCEPT',_}|Rest2] -> {Exclusion,Rest3} = parse_Elements(Rest2), - {{InterSec,{'EXCEPT',Exclusion}},Rest3}; + {{'EXCEPT',InterSec,Exclusion},Rest3}; Rest -> {InterSec,Rest} end. @@ -994,105 +846,73 @@ parse_Elements([{'(',_}|Rest]) -> case Rest2 of [{')',_}|Rest3] -> {Elems,Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,')']}}) + [_|_] -> + parse_error(Rest2) end; parse_Elements(Tokens) -> Flist = [fun parse_ObjectSetElements/1, fun parse_SubtypeElements/1, -% fun parse_Value/1, -% fun parse_Type/1, fun parse_Object/1, fun parse_DefinedObjectSet/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - Err = {asn1_error,_} -> - throw(Err); - Result = {Val,_} when is_record(Val,type) -> - Result; - - Result -> - Result - end. - - + parse_or(Tokens, Flist). %% -------------------------- -parse_DefinedObjectClass([{typereference,_,_ModName},{'.',_},Tr={typereference,_,_ObjClName}|Rest]) -> -%% {{objectclassname,ModName,ObjClName},Rest}; -% {{objectclassname,tref2Exttref(Tr)},Rest}; - {tref2Exttref(Tr),Rest}; +parse_DefinedObjectClass([{typereference,_,ModName},{'.',_}, + {typereference,Pos,Name}|Tokens]) -> + Ext = #'Externaltypereference'{pos=Pos, + module=ModName, + type=Name}, + {Ext,Tokens}; parse_DefinedObjectClass([Tr={typereference,_,_ObjClName}|Rest]) -> -% {{objectclassname,tref2Exttref(Tr)},Rest}; {tref2Exttref(Tr),Rest}; -parse_DefinedObjectClass([{'TYPE-IDENTIFIER',_}|Rest]) -> - {'TYPE-IDENTIFIER',Rest}; -parse_DefinedObjectClass([{'ABSTRACT-SYNTAX',_}|Rest]) -> - {'ABSTRACT-SYNTAX',Rest}; parse_DefinedObjectClass(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - ['typereference . typereference', - typereference, - 'TYPE-IDENTIFIER', - 'ABSTRACT-SYNTAX']]}}). - -parse_ObjectClassAssignment([{typereference,L1,ObjClName},{'::=',_}|Rest]) -> - {Type,Rest2} = parse_ObjectClass(Rest), - {#classdef{pos=L1,name=ObjClName,typespec=Type},Rest2}; -parse_ObjectClassAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - 'typereference ::=']}}). + parse_error(Tokens). parse_ObjectClass(Tokens) -> - Flist = [fun parse_DefinedObjectClass/1, - fun parse_ObjectClassDefn/1, - fun parse_ParameterizedObjectClass/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - {asn1_error,Reason2} -> - throw({asn1_error,Reason2}); - Result -> - Result - end. + Flist = [fun parse_ObjectClassDefn/1, + fun parse_DefinedObjectClass/1], + parse_or(Tokens, Flist). parse_ObjectClassDefn([{'CLASS',_},{'{',_}|Rest]) -> {Type,Rest2} = parse_FieldSpec(Rest), {WithSyntaxSpec,Rest3} = parse_WithSyntaxSpec(Rest2), {#objectclass{fields=Type,syntax=WithSyntaxSpec},Rest3}; parse_ObjectClassDefn(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'CLASS {']}}). + parse_error(Tokens). parse_FieldSpec(Tokens) -> parse_FieldSpec(Tokens,[]). -parse_FieldSpec(Tokens,Acc) -> - Flist = [fun parse_FixedTypeValueFieldSpec/1, - fun parse_VariableTypeValueFieldSpec/1, - fun parse_ObjectFieldSpec/1, - fun parse_FixedTypeValueSetFieldSpec/1, - fun parse_VariableTypeValueSetFieldSpec/1, - fun parse_TypeFieldSpec/1, - fun parse_ObjectSetFieldSpec/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); +parse_FieldSpec(Tokens0, Acc) -> + Fl = case Tokens0 of + [{valuefieldreference,_,_}|_] -> + %% 1) &field Type + %% &object CLASS-NAME + %% 2) &field &FieldName + %% A fixed type field cannot be distinguished from + %% an object field without type information. + [fun parse_FixedTypeValueFieldSpec/1, + fun parse_VariableTypeValueFieldSpec/1]; + [{typefieldreference,_,_}|_] -> + %% 1) &Set Type + %% &ObjectSet CLASS-NAME + %% 2) &Set &FieldName + %% 3) &Type + %% A value set and an object cannot be distinguished + %% without type information. + [fun parse_FixedTypeValueSetFieldSpec/1, + fun parse_VariableTypeValueSetFieldSpec/1, + fun parse_TypeFieldSpec/1]; + [_|_] -> + parse_error(Tokens0) + end, + case parse_or(Tokens0, Fl) of {Type,[{'}',_}|Rest]} -> - {lists:reverse([Type|Acc]),Rest}; + {lists:reverse(Acc, [Type]),Rest}; {Type,[{',',_}|Rest2]} -> - parse_FieldSpec(Rest2,[Type|Acc]); - {_,[H|_T]} -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'}']}}) + parse_FieldSpec(Rest2, [Type|Acc]) end. parse_PrimitiveFieldName([{typefieldreference,_,FieldName}|Rest]) -> @@ -1100,27 +920,19 @@ parse_PrimitiveFieldName([{typefieldreference,_,FieldName}|Rest]) -> parse_PrimitiveFieldName([{valuefieldreference,_,FieldName}|Rest]) -> {{valuefieldreference,FieldName},Rest}; parse_PrimitiveFieldName(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [typefieldreference,valuefieldreference]]}}). + parse_error(Tokens). parse_FieldName(Tokens) -> {Field,Rest} = parse_PrimitiveFieldName(Tokens), parse_FieldName(Rest,[Field]). -parse_FieldName([{'.',_}|Rest],Acc) -> - case (catch parse_PrimitiveFieldName(Rest)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - {FieldName,Rest2} -> - parse_FieldName(Rest2,[FieldName|Acc]) - end; -parse_FieldName(Tokens,Acc) -> +parse_FieldName([{'.',_}|Rest0],Acc) -> + {FieldName,Rest1} = parse_PrimitiveFieldName(Rest0), + parse_FieldName(Rest1, [FieldName|Acc]); +parse_FieldName(Tokens, Acc) -> {lists:reverse(Acc),Tokens}. -parse_FixedTypeValueFieldSpec([{valuefieldreference,L1,VFieldName}|Rest]) -> +parse_FixedTypeValueFieldSpec([{valuefieldreference,_,VFieldName}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {Unique,Rest3} = case Rest2 of @@ -1130,109 +942,61 @@ parse_FixedTypeValueFieldSpec([{valuefieldreference,L1,VFieldName}|Rest]) -> {undefined,Rest2} end, {OptionalitySpec,Rest5} = parse_ValueOptionalitySpec(Rest3), - case {Unique,Rest5} of - {'UNIQUE',[{Del,_}|_]} when Del =:= ','; Del =:= '}' -> - case OptionalitySpec of - {'DEFAULT',_} -> - throw({asn1_error, - {L1,get(asn1_module), - ['UNIQUE and DEFAULT in same field',VFieldName]}}); - _ -> - {{fixedtypevaluefield,VFieldName,Type,Unique,OptionalitySpec},Rest5} - end; - {_,[{Del,_}|_]} when Del =:= ','; Del =:= '}' -> - {{object_or_fixedtypevalue_field,VFieldName,Type,Unique,OptionalitySpec},Rest5}; - _ -> - throw({asn1_error,{L1,get(asn1_module), - [got,get_token(hd(Rest5)),expected,[',','}']]}}) - end; -parse_FixedTypeValueFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,valuefieldreference]}}). + case is_end_delimiter(Rest5) of + false -> parse_error(Rest5); + true -> ok + end, + Tag = case Unique of + 'UNIQUE' -> fixedtypevaluefield; + _ -> object_or_fixedtypevalue_field + end, + {{Tag,VFieldName,Type,Unique,OptionalitySpec},Rest5}. + +parse_VariableTypeValueFieldSpec([{valuefieldreference,_,VFieldName}|Rest0]) -> + {FieldRef,Rest1} = parse_FieldName(Rest0), + {OptionalitySpec,Rest} = parse_ValueOptionalitySpec(Rest1), + case is_end_delimiter(Rest) of + true -> + {{variabletypevaluefield,VFieldName,FieldRef,OptionalitySpec}, + Rest}; + false -> + parse_error(Rest) + end. -parse_VariableTypeValueFieldSpec([{valuefieldreference,L,VFieldName}|Rest]) -> - {FieldRef,Rest2} = parse_FieldName(Rest), - {OptionalitySpec,Rest3} = parse_ValueOptionalitySpec(Rest2), - case Rest3 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{variabletypevaluefield,VFieldName,FieldRef,OptionalitySpec},Rest3}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest3)),expected,[',','}']]}}) - end; -parse_VariableTypeValueFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,valuefieldreference]}}). +parse_TypeFieldSpec([{typefieldreference,_,Name}|Rest0]) -> + {OptionalitySpec,Rest} = parse_TypeOptionalitySpec(Rest0), + case is_end_delimiter(Rest) of + true -> + {{typefield,Name,OptionalitySpec},Rest}; + false -> + parse_error(Rest) + end. -parse_ObjectFieldSpec([{valuefieldreference,L,VFieldName}|Rest]) -> - {Class,Rest2} = parse_DefinedObjectClass(Rest), - {OptionalitySpec,Rest3} = parse_ObjectOptionalitySpec(Rest2), - case Rest3 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{objectfield,VFieldName,Class,undefined,OptionalitySpec},Rest3}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest3)),expected,[',','}']]}}) - end; -parse_ObjectFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,valuefieldreference]}}). +parse_FixedTypeValueSetFieldSpec([{typefieldreference,_,Name}|Rest0]) -> + {Type,Rest1} = parse_Type(Rest0), + {OptionalitySpec,Rest} = parse_ValueSetOptionalitySpec(Rest1), + case is_end_delimiter(Rest) of + true -> + {{objectset_or_fixedtypevalueset_field,Name,Type, + OptionalitySpec},Rest}; + false -> + parse_error(Rest) + end. -parse_TypeFieldSpec([{typefieldreference,L,TFieldName}|Rest]) -> - {OptionalitySpec,Rest2} = parse_TypeOptionalitySpec(Rest), - case Rest2 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{typefield,TFieldName,OptionalitySpec},Rest2}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest2)),expected,[',','}']]}}) - end; -parse_TypeFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,typefieldreference]}}). +parse_VariableTypeValueSetFieldSpec([{typefieldreference,_,Name}|Rest0]) -> + {FieldRef,Rest1} = parse_FieldName(Rest0), + {OptionalitySpec,Rest} = parse_ValueSetOptionalitySpec(Rest1), + case is_end_delimiter(Rest) of + true -> + {{variabletypevaluesetfield,Name,FieldRef,OptionalitySpec}, + Rest}; + false -> + parse_error(Rest) + end. -parse_FixedTypeValueSetFieldSpec([{typefieldreference,L,TFieldName}|Rest]) -> - {Type,Rest2} = parse_Type(Rest), - {OptionalitySpec,Rest3} = parse_ValueSetOptionalitySpec(Rest2), - case Rest3 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{objectset_or_fixedtypevalueset_field,TFieldName,Type, - OptionalitySpec},Rest3}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest3)),expected,[',','}']]}}) - end; -parse_FixedTypeValueSetFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,typefieldreference]}}). - -parse_VariableTypeValueSetFieldSpec([{typefieldreference,L,TFieldName}|Rest]) -> - {FieldRef,Rest2} = parse_FieldName(Rest), - {OptionalitySpec,Rest3} = parse_ValueSetOptionalitySpec(Rest2), - case Rest3 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{variabletypevaluesetfield,TFieldName,FieldRef,OptionalitySpec},Rest3}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest3)),expected,[',','}']]}}) - end; -parse_VariableTypeValueSetFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,typefieldreference]}}). - -parse_ObjectSetFieldSpec([{typefieldreference,L,TFieldName}|Rest]) -> - {Class,Rest2} = parse_DefinedObjectClass(Rest), - {OptionalitySpec,Rest3} = parse_ObjectSetOptionalitySpec(Rest2), - case Rest3 of - [{Del,_}|_] when Del =:= ','; Del =:= '}' -> - {{objectsetfield,TFieldName,Class,OptionalitySpec},Rest3}; - _ -> - throw({asn1_error,{L,get(asn1_module), - [got,get_token(hd(Rest3)),expected,[',','}']]}}) - end; -parse_ObjectSetFieldSpec(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,typefieldreference]}}). +is_end_delimiter([{',',_}|_]) -> true; +is_end_delimiter([{'}',_}|_]) -> true; +is_end_delimiter([_|_]) -> false. parse_ValueOptionalitySpec(Tokens)-> case Tokens of @@ -1243,15 +1007,6 @@ parse_ValueOptionalitySpec(Tokens)-> _ -> {'MANDATORY',Tokens} end. -parse_ObjectOptionalitySpec(Tokens) -> - case Tokens of - [{'OPTIONAL',_}|Rest] -> {'OPTIONAL',Rest}; - [{'DEFAULT',_}|Rest] -> - {Object,Rest2} = parse_Object(Rest), - {{'DEFAULT',Object},Rest2}; - _ -> {'MANDATORY',Tokens} - end. - parse_TypeOptionalitySpec(Tokens) -> case Tokens of [{'OPTIONAL',_}|Rest] -> {'OPTIONAL',Rest}; @@ -1270,65 +1025,44 @@ parse_ValueSetOptionalitySpec(Tokens) -> _ -> {'MANDATORY',Tokens} end. -parse_ObjectSetOptionalitySpec(Tokens) -> - case Tokens of - [{'OPTIONAL',_}|Rest] -> {'OPTIONAL',Rest}; - [{'DEFAULT',_}|Rest] -> - {ObjectSet,Rest2} = parse_ObjectSet(Rest), - {{'DEFAULT',ObjectSet},Rest2}; - _ -> {'MANDATORY',Tokens} - end. - parse_WithSyntaxSpec([{'WITH',_},{'SYNTAX',_}|Rest]) -> {SyntaxList,Rest2} = parse_SyntaxList(Rest), {{'WITH SYNTAX',SyntaxList},Rest2}; parse_WithSyntaxSpec(Tokens) -> {[],Tokens}. -parse_SyntaxList([{'{',_},{'}',_}|Rest]) -> - {[],Rest}; parse_SyntaxList([{'{',_}|Rest]) -> parse_SyntaxList(Rest,[]); parse_SyntaxList(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,['{}','{']]}}). + parse_error(Tokens). -parse_SyntaxList(Tokens,Acc) -> +parse_SyntaxList(Tokens, Acc) -> {SyntaxList,Rest} = parse_TokenOrGroupSpec(Tokens), case Rest of [{'}',_}|Rest2] -> - {lists:reverse([SyntaxList|Acc]),Rest2}; + {lists:reverse(Acc, [SyntaxList]),Rest2}; _ -> - parse_SyntaxList(Rest,[SyntaxList|Acc]) + parse_SyntaxList(Rest, [SyntaxList|Acc]) end. parse_TokenOrGroupSpec(Tokens) -> Flist = [fun parse_RequiredToken/1, fun parse_OptionalGroup/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). -parse_RequiredToken([{typereference,L1,WordName}|Rest]) -> +parse_RequiredToken([{typereference,_,WordName}|Rest]=Tokens) -> case is_word(WordName) of false -> - throw({asn1_error,{L1,get(asn1_module), - [got,WordName,expected,a,'Word']}}); + parse_error(Tokens); true -> {WordName,Rest} end; parse_RequiredToken([{',',L1}|Rest]) -> {{',',L1},Rest}; -parse_RequiredToken([{WordName,L1}|Rest]) -> +parse_RequiredToken([{WordName,_}|Rest]=Tokens) -> case is_word(WordName) of false -> - throw({asn1_error,{L1,get(asn1_module), - [got,WordName,expected,a,'Word']}}); + parse_error(Tokens); true -> {WordName,Rest} end; @@ -1338,7 +1072,9 @@ parse_RequiredToken(Tokens) -> parse_OptionalGroup([{'[',_}|Rest]) -> {Spec,Rest2} = parse_TokenOrGroupSpec(Rest), {SpecList,Rest3} = parse_OptionalGroup(Rest2,[Spec]), - {SpecList,Rest3}. + {SpecList,Rest3}; +parse_OptionalGroup(Tokens) -> + parse_error(Tokens). parse_OptionalGroup([{']',_}|Rest],Acc) -> {lists:reverse(Acc),Rest}; @@ -1346,82 +1082,55 @@ parse_OptionalGroup(Tokens,Acc) -> {Spec,Rest} = parse_TokenOrGroupSpec(Tokens), parse_OptionalGroup(Rest,[Spec|Acc]). -parse_DefinedObject([Id={identifier,_,_ObjName}|Rest]) -> +parse_DefinedObject([#identifier{}=Id|Rest]) -> {{object,identifier2Extvalueref(Id)},Rest}; -parse_DefinedObject([{typereference,L1,ModName},{'.',_},{identifier,_,ObjName}|Rest]) -> +parse_DefinedObject([{typereference,L1,ModName},{'.',_},#identifier{val=ObjName}|Rest]) -> {{object, #'Externaltypereference'{pos=L1,module=ModName,type=ObjName}},Rest}; parse_DefinedObject(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [identifier,'typereference.identifier']]}}). + parse_error(Tokens). -parse_ObjectAssignment([{identifier,L1,ObjName}|Rest]) -> +parse_ObjectAssignment([#identifier{pos=L1,val=ObjName}|Rest]) -> {Class,Rest2} = parse_DefinedObjectClass(Rest), case Rest2 of [{'::=',_}|Rest3] -> {Object,Rest4} = parse_Object(Rest3), {#typedef{pos=L1,name=ObjName, typespec=#'Object'{classname=Class,def=Object}},Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}); - Other -> - throw({asn1_error,{L1,get(asn1_module), - [got,Other,expected,'::=']}}) - end; -parse_ObjectAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). - + _ -> + parse_error(Rest2) + end. %% parse_Object(Tokens) -> Ret %% Tokens = [Tok] %% Tok = tuple() %% Ret = {object,_} | {object, _, _} parse_Object(Tokens) -> - Flist=[fun parse_ObjectDefn/1, - fun parse_ObjectFromObject/1, - fun parse_ParameterizedObject/1, - fun parse_DefinedObject/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + %% The ObjectFromObject production is not included here, + %% since it will have been catched by the ValueFromObject + %% before we reach this point. + Flist = [fun parse_ObjectDefn/1, + fun parse_DefinedObject/1], + parse_or(Tokens, Flist). parse_ObjectDefn(Tokens) -> Flist=[fun parse_DefaultSyntax/1, fun parse_DefinedSyntax/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). -parse_DefaultSyntax([{'{',_},{'}',_}|Rest]) -> - {{object,defaultsyntax,[]},Rest}; parse_DefaultSyntax([{'{',_}|Rest]) -> parse_DefaultSyntax(Rest,[]); parse_DefaultSyntax(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,['{}','{']]}}). + parse_error(Tokens). -parse_DefaultSyntax(Tokens,Acc) -> +parse_DefaultSyntax(Tokens, Acc) -> {Setting,Rest} = parse_FieldSetting(Tokens), case Rest of [{',',_}|Rest2] -> parse_DefaultSyntax(Rest2,[Setting|Acc]); [{'}',_}|Rest3] -> - {{object,defaultsyntax,lists:reverse([Setting|Acc])},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,[',','}']]}}) + {{object,defaultsyntax,lists:reverse(Acc, [Setting])},Rest3}; + _ -> + parse_error(Rest) end. parse_FieldSetting(Tokens) -> @@ -1430,7 +1139,9 @@ parse_FieldSetting(Tokens) -> {{PrimFieldName,Setting},Rest2}. parse_DefinedSyntax([{'{',_}|Rest]) -> - parse_DefinedSyntax(Rest,[]). + parse_DefinedSyntax(Rest, []); +parse_DefinedSyntax(Tokens) -> + parse_error(Tokens). parse_DefinedSyntax(Tokens,Acc) -> case Tokens of @@ -1446,95 +1157,70 @@ parse_DefinedSyntax(Tokens,Acc) -> %% Literal ::= word | ',' %% Setting ::= Type | Value | ValueSet | Object | ObjectSet %% word equals typereference, but no lower cases -parse_DefinedSyntaxToken([{',',L1}|Rest]) -> - {{',',L1},Rest}; +parse_DefinedSyntaxToken([{',',_}=Comma|Rest]) -> + {Comma,Rest}; %% ObjectClassFieldType or a defined type with a constraint. %% Should also be able to parse a parameterized type. It may be %% impossible to distinguish between a parameterized type and a Literal %% followed by an object set. -parse_DefinedSyntaxToken(Tokens=[{typereference,L1,_Name},{T,_}|_Rest]) - when T == '.'; T == '(' -> - case catch parse_Setting(Tokens) of - {asn1_error,_} -> - throw({asn1_error,{L1,get(asn1_module), - [got,hd(Tokens), expected,['Word',setting]]}}); - {'EXIT',Reason} -> - exit(Reason); - Result -> - Result - end; -parse_DefinedSyntaxToken(Tokens=[TRef={typereference,L1,Name}|Rest]) -> +parse_DefinedSyntaxToken([{typereference,_,_Name},{T,_}|_]=Tokens) + when T =:= '.'; T =:= '(' -> + parse_Setting(Tokens); +parse_DefinedSyntaxToken([{typereference,L1,Name}=TRef|Rest]=Tokens) -> case is_word(Name) of false -> case lookahead_definedsyntax(Rest) of word_or_setting -> {{setting,L1,tref2Exttref(TRef)},Rest}; - _ -> + setting -> parse_Setting(Tokens) end; true -> - %% {{word_or_setting,L1,Name},Rest} {{word_or_setting,L1,tref2Exttref(TRef)},Rest} end; parse_DefinedSyntaxToken(Tokens) -> - case catch parse_Setting(Tokens) of - {asn1_error,_} -> - parse_Word(Tokens); - {'EXIT',Reason} -> - exit(Reason); - Result -> + try parse_Setting(Tokens) of + {_,_}=Result -> Result + catch + throw:{asn1_error,_} -> + parse_Word(Tokens) end. lookahead_definedsyntax([{typereference,_,Name}|_Rest]) -> - case is_word(Name) of + case is_word(Name) of true -> word_or_setting; - _ -> setting + false -> setting end; lookahead_definedsyntax([{'}',_}|_Rest]) -> word_or_setting; lookahead_definedsyntax(_) -> setting. -parse_Word([{Name,Pos}|Rest]) -> +parse_Word([{Name,Pos}|Rest]=Tokens) -> case is_word(Name) of false -> - throw({asn1_error,{Pos,get(asn1_module), - [got,Name, expected,a,'Word']}}); + parse_error(Tokens); true -> {{word_or_setting,Pos,tref2Exttref(Pos,Name)},Rest} - end. + end; +parse_Word(Tokens) -> + parse_error(Tokens). parse_Setting(Tokens) -> Flist = [{type_tag,fun parse_Type/1}, {value_tag,fun parse_Value/1}, {object_tag,fun parse_Object/1}, {objectset_tag,fun parse_ObjectSet/1}], - case (catch parse_or_tag(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result = {{value_tag,_},_} -> + case parse_or_tag(Tokens, Flist) of + {{value_tag,_},_}=Result -> + %% Keep the value_tag. Result; {{Tag,Setting},Rest} when is_atom(Tag) -> + %% Remove all other tags. {Setting,Rest} end. -%% parse_Setting(Tokens) -> -%% Flist = [fun parse_Type/1, -%% fun parse_Value/1, -%% fun parse_Object/1, -%% fun parse_ObjectSet/1], -%% case (catch parse_or(Tokens,Flist)) of -%% {'EXIT',Reason} -> -%% exit(Reason); -%% AsnErr = {asn1_error,_} -> -%% throw(AsnErr); -%% Result -> -%% Result -%% end. - parse_DefinedObjectSet([{typereference,L1,ModuleName},{'.',_}, {typereference,L2,ObjSetName}|Rest]) -> {{objectset,L1,#'Externaltypereference'{pos=L2,module=ModuleName, @@ -1543,9 +1229,7 @@ parse_DefinedObjectSet([{typereference,L1,ObjSetName}|Rest]) -> {{objectset,L1,#'Externaltypereference'{pos=L1,module=resolve_module(ObjSetName), type=ObjSetName}},Rest}; parse_DefinedObjectSet(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [typereference,'typereference.typereference']]}}). + parse_error(Tokens). parse_ObjectSetAssignment([{typereference,L1,ObjSetName}|Rest]) -> {Class,Rest2} = parse_DefinedObjectClass(Rest), @@ -1555,16 +1239,9 @@ parse_ObjectSetAssignment([{typereference,L1,ObjSetName}|Rest]) -> {#typedef{pos=L1,name=ObjSetName, typespec=#'ObjectSet'{class=Class, set=ObjectSet}},Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) -%%% Other -> -%%% throw(Other) - end; -parse_ObjectSetAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest2) + end. %% parse_ObjectSet(Tokens) -> {Ret,Rest} %% Tokens = [Tok] @@ -1581,26 +1258,20 @@ parse_ObjectSet([{'{',_}|Rest]) -> case Rest2 of [{'}',_}|Rest3] -> {ObjSetSpec,Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'}']}}) + _ -> + parse_error(Rest2) end; parse_ObjectSet(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_error(Tokens). -parse_ObjectSetSpec([{'...',_}|Rest]) -> - case Rest of - [{',',_}|Rest2] -> - {Elements,Rest3}=parse_ElementSetSpecs(Rest2), - {{[],Elements},Rest3}; - _ -> - {['EXTENSIONMARK'],Rest} - end; +parse_ObjectSetSpec([{'...',_},{',',_}|Tokens0]) -> + {Elements,Tokens} = parse_ElementSetSpec(Tokens0), + {{element_set,empty,Elements},Tokens}; +parse_ObjectSetSpec([{'...',_}|Tokens]) -> + {{element_set,empty,empty},Tokens}; parse_ObjectSetSpec(Tokens) -> parse_ElementSetSpecs(Tokens). -% moved fun parse_Object/1 and fun parse_DefinedObjectSet/1 to parse_Elements %% parse_ObjectSetElements(Tokens) -> {Result,Rest} %% Result ::= {'ObjectSetFromObjects',Objects,Name} | {pos,ObjectSet,Params} %% Objects ::= ReferencedObjects @@ -1610,18 +1281,9 @@ parse_ObjectSetSpec(Tokens) -> %% ObjectSet ::= {objectset,integer(),#'Externaltypereference'{}} %% Params ::= list() (see parse_ActualParameterList/1) parse_ObjectSetElements(Tokens) -> - Flist = [%fun parse_Object/1, - %fun parse_DefinedObjectSet/1, - fun parse_ObjectSetFromObjects/1, + Flist = [fun parse_ObjectSetFromObjects/1, fun parse_ParameterizedObjectSet/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_ObjectClassFieldType(Tokens) -> {Class,Rest} = parse_DefinedObjectClass(Tokens), @@ -1632,25 +1294,10 @@ parse_ObjectClassFieldType(Tokens) -> classname=Class, class=Class,fieldname=FieldName}, {#type{def=OCFT},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) -%%% Other -> -%%% throw(Other) + _ -> + parse_error(Rest) end. -%parse_ObjectClassFieldValue(Tokens) -> -% Flist = [fun parse_OpenTypeFieldVal/1, -% fun parse_FixedTypeFieldVal/1], -% case (catch parse_or(Tokens,Flist)) of -% {'EXIT',Reason} -> -% throw(Reason); -% AsnErr = {asn1_error,_} -> -% throw(AsnErr); -% Result -> -% Result -% end. - parse_ObjectClassFieldValue(Tokens) -> parse_OpenTypeFieldVal(Tokens). @@ -1660,28 +1307,10 @@ parse_OpenTypeFieldVal(Tokens) -> [{':',_}|Rest2] -> {Value,Rest3} = parse_Value(Rest2), {{opentypefieldvalue,Type,Value},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,':']}}) + _ -> + parse_error(Rest) end. -% parse_FixedTypeFieldVal(Tokens) -> -% parse_Value(Tokens). - -% parse_InformationFromObjects(Tokens) -> -% Flist = [fun parse_ValueFromObject/1, -% fun parse_ValueSetFromObjects/1, -% fun parse_TypeFromObject/1, -% fun parse_ObjectFromObject/1], -% case (catch parse_or(Tokens,Flist)) of -% {'EXIT',Reason} -> -% throw(Reason); -% AsnErr = {asn1_error,_} -> -% throw(AsnErr); -% Result -> -% Result -% end. - %% parse_ReferencedObjects(Tokens) -> {Result,Rest} %% Result ::= DefObject | DefObjSet | %% {po,DefObject,Params} | {pos,DefObjSet,Params} | @@ -1693,18 +1322,11 @@ parse_OpenTypeFieldVal(Tokens) -> parse_ReferencedObjects(Tokens) -> Flist = [fun parse_DefinedObject/1, fun parse_DefinedObjectSet/1, - fun parse_ParameterizedObject/1, fun parse_ParameterizedObjectSet/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_ValueFromObject(Tokens) -> + %% This production also matches ObjectFromObject. {Objects,Rest} = parse_ReferencedObjects(Tokens), case Rest of [{'.',_}|Rest2] -> @@ -1713,35 +1335,10 @@ parse_ValueFromObject(Tokens) -> {valuefieldreference,_} -> {{'ValueFromObject',Objects,Name},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,typefieldreference,expected, - valuefieldreference]}}) + parse_error(Rest2) end; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) -%%% Other -> -%%% throw({asn1_error,{got,Other,expected,'.'}}) - end. - -parse_ValueSetFromObjects(Tokens) -> - {Objects,Rest} = parse_ReferencedObjects(Tokens), - case Rest of - [{'.',_}|Rest2] -> - {Name,Rest3} = parse_FieldName(Rest2), - case lists:last(Name) of - {typefieldreference,_FieldName} -> - {{'ValueSetFromObjects',Objects,Name},Rest3}; - _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected, - typefieldreference]}}) - end; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) -%%% Other -> -%%% throw({asn1_error,{got,Other,expected,'.'}}) + _ -> + parse_error(Rest) end. parse_TypeFromObject(Tokens) -> @@ -1751,28 +1348,12 @@ parse_TypeFromObject(Tokens) -> {Name,Rest3} = parse_FieldName(Rest2), case lists:last(Name) of {typefieldreference,_FieldName} -> - {{'TypeFromObject',Objects,Name},Rest3}; + {#type{def={'TypeFromObject',Objects,Name}},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected, - typefieldreference]}}) + parse_error(Rest2) end; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) -%%% Other -> -%%% throw({asn1_error,{got,Other,expected,'.'}}) - end. - -parse_ObjectFromObject(Tokens) -> - {Objects,Rest} = parse_ReferencedObjects(Tokens), - case Rest of - [{'.',_}|Rest2] -> - {Name,Rest3} = parse_FieldName(Rest2), - {{'ObjectFromObject',Objects,Name},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) + _ -> + parse_error(Rest) end. %% parse_ObjectSetFromObjects(Tokens) -> {Result,Rest} @@ -1790,23 +1371,12 @@ parse_ObjectSetFromObjects(Tokens) -> {typefieldreference,_FieldName} -> {{'ObjectSetFromObjects',Objects,Name},Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected, - typefieldreference]}}) + parse_error(Rest2) end; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'.']}}) + _ -> + parse_error(Rest) end. -% parse_InstanceOfType([{'INSTANCE',_},{'OF',_}|Rest]) -> -% {Class,Rest2} = parse_DefinedObjectClass(Rest), -% {{'InstanceOfType',Class},Rest2}. - -% parse_InstanceOfValue(Tokens) -> -% parse_Value(Tokens). - - %% X.682 constraint specification @@ -1814,14 +1384,7 @@ parse_GeneralConstraint(Tokens) -> Flist = [fun parse_UserDefinedConstraint/1, fun parse_TableConstraint/1, fun parse_ContentsConstraint/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_UserDefinedConstraint([{'CONSTRAINED',_},{'BY',_},{'{',_},{'}',_}|Rest])-> {{constrained_by,[]},Rest}; @@ -1832,32 +1395,23 @@ parse_UserDefinedConstraint([{'CONSTRAINED',_}, case Rest2 of [{'}',_}|Rest3] -> {{constrained_by,Param},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'}']}}) + _ -> + parse_error(Rest2) end; parse_UserDefinedConstraint(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - ['CONSTRAINED BY {}','CONSTRAINED BY {']]}}). + parse_error(Tokens). parse_UserDefinedConstraintParameter(Tokens) -> - parse_UserDefinedConstraintParameter(Tokens,[]). -parse_UserDefinedConstraintParameter(Tokens,Acc) -> + parse_UserDefinedConstraintParameter(Tokens, []). + +parse_UserDefinedConstraintParameter(Tokens0, Acc) -> Flist = [fun parse_GovernorAndActualParameter/1, fun parse_ActualParameter/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - {Result,Rest} -> - case Rest of - [{',',_}|_Rest2] -> - parse_UserDefinedConstraintParameter(Tokens,[Result|Acc]); - _ -> - {lists:reverse([Result|Acc]),Rest} - end + case parse_or(Tokens0, Flist) of + {Result,[{',',_}|Tokens]} -> + parse_UserDefinedConstraintParameter(Tokens, [Result|Acc]); + {Result,Tokens} -> + {lists:reverse(Acc, [Result]),Tokens} end. parse_GovernorAndActualParameter(Tokens) -> @@ -1866,26 +1420,18 @@ parse_GovernorAndActualParameter(Tokens) -> [{':',_}|Rest2] -> {Params,Rest3} = parse_ActualParameter(Rest2), {{'Governor_Params',Governor,Params},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,':']}}) + _ -> + parse_error(Rest) end. parse_TableConstraint(Tokens) -> Flist = [fun parse_ComponentRelationConstraint/1, fun parse_SimpleTableConstraint/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_SimpleTableConstraint(Tokens) -> {ObjectSet,Rest} = parse_ObjectSet(Tokens), - {{simpletable,ObjectSet},Rest}. + {{element_set,{simpletable,ObjectSet},none},Rest}. parse_ComponentRelationConstraint([{'{',_}|Rest]) -> {ObjectSet,Rest2} = parse_DefinedObjectSet(Rest), @@ -1894,21 +1440,18 @@ parse_ComponentRelationConstraint([{'{',_}|Rest]) -> {AtNot,Rest4} = parse_AtNotationList(Rest3,[]), case Rest4 of [{'}',_}|Rest5] -> - {{componentrelation,ObjectSet,AtNot},Rest5}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'}']}}) + Ret = {element_set, + {componentrelation,ObjectSet,AtNot}, + none}, + {Ret,Rest5}; + _ -> + parse_error(Rest4) end; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected, - 'ComponentRelationConstraint',ended,with,'}']}}) -%%% Other -> -%%% throw(Other) + _ -> + parse_error(Rest2) end; parse_ComponentRelationConstraint(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_error(Tokens). parse_AtNotationList(Tokens,Acc) -> {AtNot,Rest} = parse_AtNotation(Tokens), @@ -1916,7 +1459,7 @@ parse_AtNotationList(Tokens,Acc) -> [{',',_}|Rest2] -> parse_AtNotationList(Rest2,[AtNot|Acc]); _ -> - {lists:reverse([AtNot|Acc]),Rest} + {lists:reverse(Acc, [AtNot]),Rest} end. parse_AtNotation([{'@',_},{'.',_}|Rest]) -> @@ -1926,20 +1469,17 @@ parse_AtNotation([{'@',_}|Rest]) -> {CIdList,Rest2} = parse_ComponentIdList(Rest), {{outermost,CIdList},Rest2}; parse_AtNotation(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,['@','@.']]}}). + parse_error(Tokens). parse_ComponentIdList(Tokens) -> parse_ComponentIdList(Tokens,[]). -parse_ComponentIdList([Id = {identifier,_,_},{'.',_}|Rest],Acc) -> +parse_ComponentIdList([#identifier{}=Id,{'.',_}|Rest], Acc) -> parse_ComponentIdList(Rest,[identifier2Extvalueref(Id)|Acc]); -parse_ComponentIdList([Id = {identifier,_,_}|Rest],Acc) -> - {lists:reverse([identifier2Extvalueref(Id)|Acc]),Rest}; +parse_ComponentIdList([#identifier{}=Id|Rest], Acc) -> + {lists:reverse(Acc, [identifier2Extvalueref(Id)]),Rest}; parse_ComponentIdList(Tokens,_) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [identifier,'identifier.']]}}). + parse_error(Tokens). parse_ContentsConstraint([{'CONTAINING',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), @@ -1954,24 +1494,14 @@ parse_ContentsConstraint([{'ENCODED',_},{'BY',_}|Rest]) -> {Value,Rest2} = parse_Value(Rest), {{contentsconstraint,[],Value},Rest2}; parse_ContentsConstraint(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - 'CONTAINING','or','ENCODED BY']}}). - + parse_error(Tokens). % X.683 Parameterization of ASN.1 specifications parse_Governor(Tokens) -> Flist = [fun parse_Type/1, fun parse_DefinedObjectClass/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_ActualParameter(Tokens) -> Flist = [fun parse_Type/1, @@ -1980,32 +1510,7 @@ parse_ActualParameter(Tokens) -> fun parse_DefinedObjectClass/1, fun parse_Object/1, fun parse_ObjectSet/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. - -parse_ParameterizedAssignment(Tokens) -> - Flist = [fun parse_ParameterizedTypeAssignment/1, - fun parse_ParameterizedValueAssignment/1, - fun parse_ParameterizedValueSetTypeAssignment/1, - fun parse_ParameterizedObjectClassAssignment/1, - fun parse_ParameterizedObjectAssignment/1, - fun parse_ParameterizedObjectSetAssignment/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - AsnAssErr = {asn1_assignment_error,_} -> - throw(AsnAssErr); - Result -> - Result - end. + parse_or(Tokens, Flist). %% parse_ParameterizedTypeAssignment(Tokens) -> Result %% Result = {#ptypedef{},Rest} | throw() @@ -2016,18 +1521,13 @@ parse_ParameterizedTypeAssignment([{typereference,L1,Name}|Rest]) -> {Type,Rest4} = parse_Type(Rest3), {#ptypedef{pos=L1,name=Name,args=ParameterList,typespec=Type}, Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) - end; -parse_ParameterizedTypeAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest2) + end. %% parse_ParameterizedValueAssignment(Tokens) -> Result %% Result = {#pvaluedef{},Rest} | throw() -parse_ParameterizedValueAssignment([{identifier,L1,Name}|Rest]) -> +parse_ParameterizedValueAssignment([#identifier{pos=L1,val=Name}|Rest]) -> {ParameterList,Rest2} = parse_ParameterList(Rest), {Type,Rest3} = parse_Type(Rest2), case Rest3 of @@ -2035,13 +1535,9 @@ parse_ParameterizedValueAssignment([{identifier,L1,Name}|Rest]) -> {Value,Rest5} = parse_Value(Rest4), {#pvaluedef{pos=L1,name=Name,args=ParameterList,type=Type, value=Value},Rest5}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) - end; -parse_ParameterizedValueAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). + _ -> + parse_error(Rest3) + end. %% parse_ParameterizedValueSetTypeAssignment(Tokens) -> Result %% Result = {#pvaluesetdef{},Rest} | throw() @@ -2053,14 +1549,9 @@ parse_ParameterizedValueSetTypeAssignment([{typereference,L1,Name}|Rest]) -> {ValueSet,Rest5} = parse_ValueSet(Rest4), {#pvaluesetdef{pos=L1,name=Name,args=ParameterList, type=Type,valueset=ValueSet},Rest5}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) - end; -parse_ParameterizedValueSetTypeAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest3) + end. %% parse_ParameterizedObjectClassAssignment(Tokens) -> Result %% Result = {#ptypedef{},Rest} | throw() @@ -2071,18 +1562,13 @@ parse_ParameterizedObjectClassAssignment([{typereference,L1,Name}|Rest]) -> {Class,Rest4} = parse_ObjectClass(Rest3), {#ptypedef{pos=L1,name=Name,args=ParameterList,typespec=Class}, Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) - end; -parse_ParameterizedObjectClassAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest2) + end. %% parse_ParameterizedObjectAssignment(Tokens) -> Result %% Result = {#pobjectdef{},Rest} | throw() -parse_ParameterizedObjectAssignment([{identifier,L1,Name}|Rest]) -> +parse_ParameterizedObjectAssignment([#identifier{pos=L1,val=Name}|Rest]) -> {ParameterList,Rest2} = parse_ParameterList(Rest), {Class,Rest3} = parse_DefinedObjectClass(Rest2), case Rest3 of @@ -2090,74 +1576,35 @@ parse_ParameterizedObjectAssignment([{identifier,L1,Name}|Rest]) -> {Object,Rest5} = parse_Object(Rest4), {#pobjectdef{pos=L1,name=Name,args=ParameterList, class=Class,def=Object},Rest5}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) -%%% Other -> -%%% throw(Other) - end; -parse_ParameterizedObjectAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). - -%% parse_ParameterizedObjectSetAssignment(Tokens) -> Result -%% Result = {#pobjectsetdef{},Rest} | throw{} -parse_ParameterizedObjectSetAssignment([{typereference,L1,Name}|Rest]) -> - {ParameterList,Rest2} = parse_ParameterList(Rest), - {Class,Rest3} = parse_DefinedObjectClass(Rest2), - case Rest3 of - [{'::=',_}|Rest4] -> - {ObjectSet,Rest5} = parse_ObjectSet(Rest4), - {#pobjectsetdef{pos=L1,name=Name,args=ParameterList, - class=Class,def=ObjectSet},Rest5}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'::=']}}) -%%% Other -> -%%% throw(Other) - end; -parse_ParameterizedObjectSetAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest3) + end. %% parse_ParameterList(Tokens) -> Result %% Result = [Parameter] %% Parameter = {Governor,Reference} | Reference %% Governor = Type | DefinedObjectClass %% Type = #type{} -%% DefinedObjectClass = #'Externaltypereference'{} | -%% 'ABSTRACT-SYNTAX' | 'TYPE-IDENTIFIER' +%% DefinedObjectClass = #'Externaltypereference'{} %% Reference = #'Externaltypereference'{} | #'Externalvaluereference'{} -parse_ParameterList([{'{',_}|Rest]) -> - parse_ParameterList(Rest,[]); -parse_ParameterList(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). +parse_ParameterList([{'{',_}|Tokens]) -> + parse_ParameterList(Tokens, []). parse_ParameterList(Tokens,Acc) -> {Parameter,Rest} = parse_Parameter(Tokens), case Rest of [{',',_}|Rest2] -> - parse_ParameterList(Rest2,[Parameter|Acc]); + parse_ParameterList(Rest2, [Parameter|Acc]); [{'}',_}|Rest3] -> - {lists:reverse([Parameter|Acc]),Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,[',','}']]}}) + {lists:reverse(Acc, [Parameter]),Rest3}; + _ -> + parse_error(Rest) end. parse_Parameter(Tokens) -> Flist = [fun parse_ParamGovAndRef/1, fun parse_Reference/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_ParamGovAndRef(Tokens) -> {ParamGov,Rest} = parse_ParamGovernor(Tokens), @@ -2165,86 +1612,54 @@ parse_ParamGovAndRef(Tokens) -> [{':',_}|Rest2] -> {Ref,Rest3} = parse_Reference(Rest2), {{ParamGov,Ref},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,':']}}) + _ -> + parse_error(Rest) end. parse_ParamGovernor(Tokens) -> Flist = [fun parse_Governor/1, fun parse_Reference/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. - -% parse_ParameterizedReference(Tokens) -> -% {Ref,Rest} = parse_Reference(Tokens), -% case Rest of -% [{'{',_},{'}',_}|Rest2] -> -% {{ptref,Ref},Rest2}; -% _ -> -% {{ptref,Ref},Rest} -% end. + parse_or(Tokens, Flist). parse_SimpleDefinedType([{typereference,L1,ModuleName},{'.',_}, {typereference,_,TypeName}|Rest]) -> {#'Externaltypereference'{pos=L1,module=ModuleName, type=TypeName},Rest}; parse_SimpleDefinedType([Tref={typereference,_,_}|Rest]) -> -% {#'Externaltypereference'{pos=L2,module=get(asn1_module), -% type=TypeName},Rest}; {tref2Exttref(Tref),Rest}; parse_SimpleDefinedType(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [typereference,'typereference.typereference']]}}). + parse_error(Tokens). parse_SimpleDefinedValue([{typereference,L1,ModuleName},{'.',_}, - {identifier,_,Value}|Rest]) -> + #identifier{val=Value}|Rest]) -> {{simpledefinedvalue,#'Externalvaluereference'{pos=L1,module=ModuleName, value=Value}},Rest}; -parse_SimpleDefinedValue([Id={identifier,_,_Value}|Rest]) -> +parse_SimpleDefinedValue([#identifier{}=Id|Rest]) -> {{simpledefinedvalue,identifier2Extvalueref(Id)},Rest}; parse_SimpleDefinedValue(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - ['typereference.identifier',identifier]]}}). + parse_error(Tokens). parse_ParameterizedType(Tokens) -> + %% May also be a parameterized class. {Type,Rest} = parse_SimpleDefinedType(Tokens), {Params,Rest2} = parse_ActualParameterList(Rest), - {{pt,Type,Params},Rest2}. + {#type{def={pt,Type,Params}},Rest2}. parse_ParameterizedValue(Tokens) -> + %% May also be a parameterized object. {Value,Rest} = parse_SimpleDefinedValue(Tokens), {Params,Rest2} = parse_ActualParameterList(Rest), {{pv,Value,Params},Rest2}. -parse_ParameterizedObjectClass(Tokens) -> - {Type,Rest} = parse_DefinedObjectClass(Tokens), - {Params,Rest2} = parse_ActualParameterList(Rest), - {{poc,Type,Params},Rest2}. - parse_ParameterizedObjectSet(Tokens) -> {ObjectSet,Rest} = parse_DefinedObjectSet(Tokens), {Params,Rest2} = parse_ActualParameterList(Rest), {{pos,ObjectSet,Params},Rest2}. -parse_ParameterizedObject(Tokens) -> - {Object,Rest} = parse_DefinedObject(Tokens), - {Params,Rest2} = parse_ActualParameterList(Rest), - {{po,Object,Params},Rest2}. - parse_ActualParameterList([{'{',_}|Rest]) -> parse_ActualParameterList(Rest,[]); parse_ActualParameterList(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_error(Tokens). parse_ActualParameterList(Tokens,Acc) -> {Parameter,Rest} = parse_ActualParameter(Tokens), @@ -2252,43 +1667,22 @@ parse_ActualParameterList(Tokens,Acc) -> [{',',_}|Rest2] -> parse_ActualParameterList(Rest2,[Parameter|Acc]); [{'}',_}|Rest3] -> - {lists:reverse([Parameter|Acc]),Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,[',','}']]}}) -%%% Other -> -%%% throw(Other) + {lists:reverse(Acc, [Parameter]),Rest3}; + _ -> + parse_error(Rest) end. - - - - - - -%------------------------- - +%% Test whether Token is allowed in a syntax list. is_word(Token) -> - case not_allowed_word(Token) of + List = atom_to_list(Token), + case not_allowed_word(List) of true -> false; - _ -> - if - is_atom(Token) -> - Item = atom_to_list(Token), - is_word(Item); - is_list(Token), length(Token) == 1 -> - check_one_char_word(Token); - is_list(Token) -> - [A|Rest] = Token, - case check_first(A) of - true -> - check_rest(Rest); - _ -> - false - end - end + false -> is_word_1(List) end. +is_word_1([H|T]) -> + check_first(H) andalso check_rest(T). + not_allowed_word(Name) -> lists:member(Name,["BIT", "BOOLEAN", @@ -2313,257 +1707,123 @@ not_allowed_word(Name) -> "TRUE", "UNION"]). -check_one_char_word([A]) when $A =< A, $Z >= A -> - true; -check_one_char_word([_]) -> - false. %% unknown item in SyntaxList +check_first(C) -> + $A =< C andalso C =< $Z. -check_first(A) when $A =< A, $Z >= A -> - true; -check_first(_) -> - false. %% unknown item in SyntaxList - -check_rest([R,R|_Rs]) when $- == R -> - false; %% two consecutive hyphens are not allowed in a word -check_rest([R]) when $- == R -> - false; %% word cannot end with hyphen -check_rest([R|Rs]) when $A=<R, $Z>=R; $-==R -> +check_rest([R|Rs]) when $A =< R, R =< $Z; R =:= $- -> check_rest(Rs); check_rest([]) -> true; check_rest(_) -> false. +%%% +%%% Parse alternative type lists for CHOICE. +%%% + +parse_AlternativeTypeLists(Tokens0) -> + {Root,Tokens1} = parse_AlternativeTypeList(Tokens0), + case Tokens1 of + [{',',_}|Tokens2] -> + {ExtMarker,Tokens3} = parse_ExtensionAndException(Tokens2), + {ExtAlts,Tokens4} = parse_ExtensionAdditionAlternatives(Tokens3), + {_,Tokens} = parse_OptionalExtensionMarker(Tokens4, []), + {Root++ExtMarker++ExtAlts,Tokens}; + Tokens -> + {Root,Tokens} + end. + +parse_ExtensionAndException([{'...',L}|Tokens0]) -> + {[#'EXTENSIONMARK'{pos=L}], + case Tokens0 of + [{'!',_}|Tokens1] -> + {_,Tokens} = parse_ExceptionIdentification(Tokens1), + Tokens; + _ -> + Tokens0 + end}. + +parse_AlternativeTypeList([#identifier{}|_]=Tokens0) -> + {AltType,Tokens} = parse_NamedType(Tokens0), + parse_AlternativeTypeList_1(Tokens, [AltType]); +parse_AlternativeTypeList(Tokens) -> + parse_error(Tokens). + +parse_AlternativeTypeList_1([{',',_}|[#identifier{}|_]=Tokens0], Acc) -> + {AltType,Tokens} = parse_NamedType(Tokens0), + parse_AlternativeTypeList_1(Tokens, [AltType|Acc]); +parse_AlternativeTypeList_1(Tokens, Acc) -> + {lists:reverse(Acc),Tokens}. -to_set(V) when is_list(V) -> - ordsets:from_list(V); -to_set(V) -> - ordsets:from_list([V]). - -parse_AlternativeTypeLists(Tokens) -> - parse_AlternativeTypeLists(Tokens,[]). - -parse_AlternativeTypeLists(Tokens = [{identifier,_,_}|_Rest0],Clist) -> - {CompList,Rest1} = parse_AlternativeTypeList(Tokens,[]), - parse_AlternativeTypeLists(Rest1,Clist++CompList); -parse_AlternativeTypeLists([{'...',L1},{'!',_}|Rest02],Clist0) -> - {_,Rest03} = parse_ExceptionIdentification(Rest02), - %% Exception info is currently thrown away - parse_AlternativeTypeLists2(Rest03,Clist0++[#'EXTENSIONMARK'{pos=L1}]); -parse_AlternativeTypeLists([{',',L1},{'...',_},{'!',_}|Rest02],Clist0) when Clist0 =/= []-> - {_,Rest03} = parse_ExceptionIdentification(Rest02), - %% Exception info is currently thrown away - parse_AlternativeTypeLists2(Rest03,Clist0++[#'EXTENSIONMARK'{pos=L1}]); - -parse_AlternativeTypeLists([{',',_},{'...',L1}|Rest02],Clist0) when Clist0 =/= []-> - parse_AlternativeTypeLists2(Rest02,Clist0++[#'EXTENSIONMARK'{pos=L1}]); -parse_AlternativeTypeLists([{'...',L1}|Rest02],Clist0) -> - parse_AlternativeTypeLists2(Rest02,Clist0++[#'EXTENSIONMARK'{pos=L1}]); -parse_AlternativeTypeLists(Tokens = [{'}',_L1}|_Rest02],Clist0) -> - {Clist0,Tokens}. - -parse_AlternativeTypeLists2(Tokens,Clist) -> - {ExtAdd,Rest} = parse_ExtensionAdditionAlternatives(Tokens,Clist), - {Clist2,Rest2} = parse_OptionalExtensionMarker(Rest,lists:flatten(ExtAdd)), - case Rest2 of - [{',',_}|Rest3] -> - {CompList,Rest4} = parse_AlternativeTypeList(Rest3,[]), - {Clist2 ++ CompList,Rest4}; - _ -> - {Clist2,Rest2} - end. - - - -parse_AlternativeTypeList([{',',_},Id = {identifier,_,_}|Rest],Acc) when Acc =/= [] -> - {AlternativeType,Rest2} = parse_NamedType([Id|Rest]), - parse_AlternativeTypeList(Rest2,[AlternativeType|Acc]); -parse_AlternativeTypeList(Tokens = [{'}',_}|_],Acc) -> - {lists:reverse(Acc),Tokens}; -parse_AlternativeTypeList(Tokens = [{']',_},{']',_}|_],Acc) -> - {lists:reverse(Acc),Tokens}; -parse_AlternativeTypeList(Tokens = [{',',_},{'...',_}|_],Acc) -> - {lists:reverse(Acc),Tokens}; -parse_AlternativeTypeList(Tokens,[]) -> - {AlternativeType,Rest} = parse_NamedType(Tokens), - parse_AlternativeTypeList(Rest,[AlternativeType]); -parse_AlternativeTypeList(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['}',', identifier']]}}). - -parse_ExtensionAdditionAlternatives(Tokens =[{',',_}|_],Clist) -> - {ExtAddList,Rest2} = parse_ExtensionAdditionAlternativesList(Tokens,[]), - {Clist++lists:flatten(ExtAddList),Rest2}; -parse_ExtensionAdditionAlternatives(Tokens,Clist) -> - %% Empty - {Clist,Tokens}. +parse_ExtensionAdditionAlternatives([{',',_}|_]=Tokens0) -> + parse_ExtensionAdditionAlternativesList(Tokens0, []); +parse_ExtensionAdditionAlternatives(Tokens) -> + {[],Tokens}. -parse_ExtensionAdditionAlternativesList([{',',_},Id = {identifier,_,_}|Rest],Acc) -> - {AlternativeType,Rest2} = parse_NamedType([Id|Rest]), - parse_ExtensionAdditionAlternativesList(Rest2,[AlternativeType|Acc]); -parse_ExtensionAdditionAlternativesList([{',',_},C1 = {'[',_},C2 = {'[',_}|Rest],Acc) -> - {ExtAddGroup,Rest2} = parse_ExtensionAdditionAlternativesGroup([C1,C2|Rest],[]), - parse_ExtensionAdditionAlternativesList(Rest2,[ExtAddGroup|Acc]); -parse_ExtensionAdditionAlternativesList(Tokens = [{'}',_}|_],Acc) -> - {lists:reverse(Acc),Tokens}; -parse_ExtensionAdditionAlternativesList(Tokens = [{',',_},{'...',_}|_],Acc) -> - {lists:reverse(Acc),Tokens}; -parse_ExtensionAdditionAlternativesList(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['}',', identifier']]}}). - - -parse_ExtensionAdditionAlternativesGroup([ {'[',_},{'[',_},_VsnNr = {number,_,Num},{':',_}|Rest],[]) -> - parse_ExtensionAdditionAlternativesGroup2(Rest,Num); -parse_ExtensionAdditionAlternativesGroup([ {'[',_},{'[',_}|Rest],[]) -> - parse_ExtensionAdditionAlternativesGroup2(Rest,undefined); -parse_ExtensionAdditionAlternativesGroup(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['[[']]}}). - - -parse_ExtensionAdditionAlternativesGroup2(Tokens,Num) -> - {CompTypeList,Rest} = parse_AlternativeTypeList(Tokens,[]), - case Rest of - [{']',_},{']',_}|Rest2] -> - {[{'ExtensionAdditionGroup',Num}|CompTypeList] ++ - ['ExtensionAdditionGroupEnd'],Rest2}; +parse_ExtensionAdditionAlternativesList([{',',_}|Tokens1]=Tokens0, Acc) -> + try parse_ExtensionAdditionAlternative(Tokens1) of + {ExtAddAlt,Tokens2} -> + parse_ExtensionAdditionAlternativesList(Tokens2, [ExtAddAlt|Acc]) + catch + throw:{asn1_error,_} -> + {lists:append(lists:reverse(Acc)),Tokens0} + end; +parse_ExtensionAdditionAlternativesList(Tokens, Acc) -> + {lists:append(lists:reverse(Acc)),Tokens}. + +parse_ExtensionAdditionAlternative([#identifier{}|_]=Tokens0) -> + {NamedType,Tokens} = parse_NamedType(Tokens0), + {[NamedType],Tokens}; +parse_ExtensionAdditionAlternative([{'[',_},{'[',_}|Tokens0]) -> + Tokens2 = case Tokens0 of + [{number,_,_},{':',_}|Tokens1] -> Tokens1; + _ -> Tokens0 + end, + {GroupList,Tokens3} = parse_AlternativeTypeList(Tokens2), + case Tokens3 of + [{']',_},{']',_}|Tokens] -> + {GroupList,Tokens}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected,[']]']]}}) - end. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -%% parse_AlternativeTypeLists(Tokens,ExtensionDefault) -> -%% {AltTypeList,Rest1} = parse_AlternativeTypeList(Tokens), -%% {ExtensionAndException,Rest2} = -%% case Rest1 of -%% [{',',_},{'...',L1},{'!',_}|Rest12] -> -%% {_,Rest13} = parse_ExceptionIdentification(Rest12), -%% %% Exception info is currently thrown away -%% {[#'EXTENSIONMARK'{pos=L1}],Rest13}; -%% [{',',_},{'...',L1}|Rest12] -> -%% {[#'EXTENSIONMARK'{pos=L1}],Rest12}; -%% _ -> -%% {[],Rest1} -%% end, -%% {AltTypeList2,Rest5} = -%% case ExtensionAndException of -%% [] -> -%% {AltTypeList,Rest2}; -%% _ -> -%% {ExtensionAddition,Rest3} = -%% case Rest2 of -%% [{',',_}|Rest23] -> -%% parse_ExtensionAdditionAlternativeList(Rest23); -%% _ -> -%% {[],Rest2} -%% end, -%% {OptionalExtensionMarker,Rest4} = -%% case Rest3 of -%% [{',',_},{'...',L3}|Rest31] -> -%% {[#'EXTENSIONMARK'{pos=L3}],Rest31}; -%% _ -> -%% {[],Rest3} -%% end, -%% {AltTypeList ++ ExtensionAndException ++ -%% ExtensionAddition ++ OptionalExtensionMarker, Rest4} -%% end, -%% AltTypeList3 = -%% case [X || X=#'EXTENSIONMARK'{} <- AltTypeList2] of -%% [] when ExtensionDefault == 'IMPLIED' -> -%% AltTypeList2 ++ [#'EXTENSIONMARK'{}]; -%% _ -> -%% AltTypeList2 -%% end, -%% {AltTypeList3,Rest5}. - - -%% parse_AlternativeTypeList(Tokens) -> -%% parse_AlternativeTypeList(Tokens,[]). - -%% parse_AlternativeTypeList(Tokens,Acc) -> -%% {NamedType,Rest} = parse_NamedType(Tokens), -%% case Rest of -%% [{',',_},Id = {identifier,_,_}|Rest2] -> -%% parse_AlternativeTypeList([Id|Rest2],[NamedType|Acc]); -%% _ -> -%% {lists:reverse([NamedType|Acc]),Rest} -%% end. + parse_error(Tokens3) + end; +parse_ExtensionAdditionAlternative(Tokens) -> + parse_error(Tokens). - +%%% +%%% End of parsing of alternative type lists. +%%% -%% parse_ExtensionAdditionAlternativeList(Tokens) -> -%% parse_ExtensionAdditionAlternativeList(Tokens,[]). - -%% parse_ExtensionAdditionAlternativeList([{'[[',_}|Rest],Acc) -> -%% parse_ExtensionAdditionAlternativeList(Rest,Acc); -%% parse_ExtensionAdditionAlternativeList(Tokens = [{identifier,_,_}|_Rest],Acc) -> -%% {Element,Rest0} = parse_NamedType(Tokens); -%% case Rest0 of -%% [{',',_}|Rest01] -> -%% parse_ExtensionAdditionAlternativeList(Rest01,[Element|Acc]); -%% _ -> -%% {lists:reverse([Element|Acc]),Rest0} -%% end. - -%% parse_ExtensionAdditionAlternatives([{'[[',_}|Rest]) -> -%% parse_ExtensionAdditionAlternatives(Rest,[]); -%% parse_ExtensionAdditionAlternatives(Tokens) -> -%% throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), -%% [got,get_token(hd(Tokens)),expected,'[[']}}). - -%% parse_ExtensionAdditionAlternatives([Id = {identifier,_,_}|Rest],Acc) -> -%% {NamedType, Rest2} = parse_NamedType([Id|Rest]), -%% case Rest2 of -%% [{',',_}|Rest21] -> -%% parse_ExtensionAdditionAlternatives(Rest21,[NamedType|Acc]); -%% [{']]',_}|Rest21] -> -%% {lists:reverse(Acc),Rest21}; -%% _ -> -%% throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), -%% [got,get_token(hd(Rest2)),expected,[',',']]']]}}) -%% end. - -parse_NamedType([{identifier,L1,Idname}|Rest]) -> +parse_NamedType([#identifier{pos=L1,val=Idname}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {#'ComponentType'{pos=L1,name=Idname,typespec=Type,prop=mandatory},Rest2}; parse_NamedType(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). + parse_error(Tokens). +%%% +%%% Parse component type lists for SEQUENCE and SET. +%%% parse_ComponentTypeLists(Tokens) -> - parse_ComponentTypeLists(Tokens,[]). + parse_ComponentTypeLists(Tokens, []). -parse_ComponentTypeLists(Tokens = [{identifier,_,_}|_Rest0],Clist) -> +parse_ComponentTypeLists([#identifier{}|_Rest0]=Tokens, Clist) -> {CompList,Rest1} = parse_ComponentTypeList(Tokens,[]), parse_ComponentTypeLists(Rest1,Clist++CompList); -parse_ComponentTypeLists(Tokens = [{'COMPONENTS',_},{'OF',_}|_Rest],Clist) -> - {CompList,Rest1} = parse_ComponentTypeList(Tokens,[]), - parse_ComponentTypeLists(Rest1,Clist++CompList); -parse_ComponentTypeLists([{'...',L1},{'!',_}|Rest02],Clist0) -> - {_,Rest03} = parse_ExceptionIdentification(Rest02), - %% Exception info is currently thrown away - parse_ComponentTypeLists2(Rest03,Clist0++[#'EXTENSIONMARK'{pos=L1}]); +parse_ComponentTypeLists([{'COMPONENTS',_},{'OF',_}|_]=Tokens,Clist) -> + {CompList,Rest1} = parse_ComponentTypeList(Tokens, []), + parse_ComponentTypeLists(Rest1, Clist++CompList); parse_ComponentTypeLists([{',',L1},{'...',_},{'!',_}|Rest02],Clist0) when Clist0 =/= []-> {_,Rest03} = parse_ExceptionIdentification(Rest02), %% Exception info is currently thrown away parse_ComponentTypeLists2(Rest03,Clist0++[#'EXTENSIONMARK'{pos=L1}]); - - parse_ComponentTypeLists([{',',_},{'...',L1}|Rest02],Clist0) when Clist0 =/= []-> +parse_ComponentTypeLists([{',',_},{'...',L1}|Rest02],Clist0) when Clist0 =/= []-> parse_ComponentTypeLists2(Rest02,Clist0++[#'EXTENSIONMARK'{pos=L1}]); parse_ComponentTypeLists([{'...',L1}|Rest02],Clist0) -> parse_ComponentTypeLists2(Rest02,Clist0++[#'EXTENSIONMARK'{pos=L1}]); parse_ComponentTypeLists(Tokens = [{'}',_L1}|_Rest02],Clist0) -> - {Clist0,Tokens}. + {Clist0,Tokens}; +parse_ComponentTypeLists(Tokens, _) -> + parse_error(Tokens). parse_ComponentTypeLists2(Tokens,Clist) -> {ExtAdd,Rest} = parse_ExtensionAdditions(Tokens,Clist), @@ -2582,12 +1842,12 @@ parse_OptionalExtensionMarker(Tokens,Clist) -> {Clist,Tokens}. -parse_ComponentTypeList([{',',_},Id = {identifier,_,_}|Rest],Acc) when Acc =/= [] -> - {ComponentType,Rest2} = parse_ComponentType([Id|Rest]), - parse_ComponentTypeList(Rest2,[ComponentType|Acc]); -parse_ComponentTypeList([{',',_},C1={'COMPONENTS',_},C2={'OF',_}|Rest],Acc) when Acc =/= [] -> - {ComponentType,Rest2} = parse_ComponentType([C1,C2|Rest]), - parse_ComponentTypeList(Rest2,[ComponentType|Acc]); +parse_ComponentTypeList([{',',_}|[#identifier{}|_]=Tokens0], Acc) when Acc =/= [] -> + {ComponentType,Tokens} = parse_ComponentType(Tokens0), + parse_ComponentTypeList(Tokens, [ComponentType|Acc]); +parse_ComponentTypeList([{',',_}|[{'COMPONENTS',_},{'OF',_}|_]=Tokens0], Acc) when Acc =/= [] -> + {ComponentType,Tokens} = parse_ComponentType(Tokens0), + parse_ComponentTypeList(Tokens, [ComponentType|Acc]); parse_ComponentTypeList(Tokens = [{'}',_}|_],Acc) -> {lists:reverse(Acc),Tokens}; parse_ComponentTypeList(Tokens = [{']',_},{']',_}|_],Acc) -> @@ -2598,10 +1858,7 @@ parse_ComponentTypeList(Tokens,[]) -> {ComponentType,Rest} = parse_ComponentType(Tokens), parse_ComponentTypeList(Rest,[ComponentType]); parse_ComponentTypeList(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['}',', identifier']]}}). + parse_error(Tokens). parse_ExtensionAdditions(Tokens=[{',',_}|_],Clist) -> {ExtAddList,Rest2} = parse_ExtensionAdditionList(Tokens,[]), @@ -2610,46 +1867,36 @@ parse_ExtensionAdditions(Tokens,Clist) -> %% Empty {Clist,Tokens}. -parse_ExtensionAdditionList([{',',_},Id = {identifier,_,_}|Rest],Acc) -> - {ComponentType,Rest2} = parse_ComponentType([Id|Rest]), - parse_ExtensionAdditionList(Rest2,[ComponentType|Acc]); -parse_ExtensionAdditionList([{',',_},C1={'COMPONENTS',_},C2={'OF',_}|Rest],Acc) -> - {ComponentType,Rest2} = parse_ComponentType([C1,C2|Rest]), - parse_ExtensionAdditionList(Rest2,[ComponentType|Acc]); -parse_ExtensionAdditionList([{',',_},C1 = {'[',_},C2 = {'[',_}|Rest],Acc) -> - {ExtAddGroup,Rest2} = parse_ExtensionAdditionGroup([C1,C2|Rest],[]), +parse_ExtensionAdditionList([{',',_}|[#identifier{}|_]=Tokens0], Acc) -> + {ComponentType,Tokens} = parse_ComponentType(Tokens0), + parse_ExtensionAdditionList(Tokens, [ComponentType|Acc]); +parse_ExtensionAdditionList([{',',_}|[{'COMPONENTS',_},{'OF',_}|_]=Tokens0], Acc) -> + {ComponentType,Tokens} = parse_ComponentType(Tokens0), + parse_ExtensionAdditionList(Tokens, [ComponentType|Acc]); +parse_ExtensionAdditionList([{',',_},{'[',_},{'[',_}|Tokens], Acc) -> + {ExtAddGroup,Rest2} = parse_ExtensionAdditionGroup(Tokens), parse_ExtensionAdditionList(Rest2,[ExtAddGroup|Acc]); -parse_ExtensionAdditionList(Tokens = [{'}',_}|_],Acc) -> +parse_ExtensionAdditionList([{'}',_}|_]=Tokens, Acc) -> {lists:reverse(Acc),Tokens}; -parse_ExtensionAdditionList(Tokens = [{',',_},{'...',_}|_],Acc) -> +parse_ExtensionAdditionList([{',',_},{'...',_}|_]=Tokens, Acc) -> {lists:reverse(Acc),Tokens}; -parse_ExtensionAdditionList(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['}',', identifier']]}}). - +parse_ExtensionAdditionList(Tokens, _) -> + parse_error(Tokens). -parse_ExtensionAdditionGroup([ {'[',_},{'[',_},_VsnNr = {number,_,Num},{':',_}|Rest],[]) -> - parse_ExtensionAdditionGroup2(Rest,Num); -parse_ExtensionAdditionGroup([ {'[',_},{'[',_}|Rest],[]) -> - parse_ExtensionAdditionGroup2(Rest,undefined); -parse_ExtensionAdditionGroup(Tokens,_) -> - throw({asn1_error, - {get_line(hd(Tokens)),get(asn1_module), - [got,[get_token(hd(Tokens)),get_token(hd(tl(Tokens)))], - expected,['[[']]}}). +parse_ExtensionAdditionGroup([{number,_,Num},{':',_}|Tokens]) -> + parse_ExtensionAdditionGroup2(Tokens, Num); +parse_ExtensionAdditionGroup(Tokens) -> + parse_ExtensionAdditionGroup2(Tokens, undefined). -parse_ExtensionAdditionGroup2(Tokens,Num) -> +parse_ExtensionAdditionGroup2(Tokens, Num) -> {CompTypeList,Rest} = parse_ComponentTypeList(Tokens,[]), case Rest of [{']',_},{']',_}|Rest2] -> {[{'ExtensionAdditionGroup',Num}|CompTypeList] ++ ['ExtensionAdditionGroupEnd'],Rest2}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected,[']]']]}}) + parse_error(Rest) end. @@ -2668,83 +1915,81 @@ parse_ComponentType(Tokens) -> Result end. - +%%% +%%% Parse ENUMERATED. +%%% -parse_SignedNumber([{number,_,Value}|Rest]) -> - {Value,Rest}; -parse_SignedNumber([{'-',_},{number,_,Value}|Rest]) -> - {-Value,Rest}; -parse_SignedNumber(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - [number,'-number']]}}). - -parse_Enumerations(Tokens=[{identifier,_,_}|_Rest],ExtensionDefault) -> - parse_Enumerations(Tokens,[],ExtensionDefault); -parse_Enumerations([H|_T],_) -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,identifier]}}). - -parse_Enumerations(Tokens = [{identifier,_,_},{'(',_}|_Rest], Acc, ExtensionDefault) -> - {NamedNumber,Rest2} = parse_NamedNumber(Tokens), - case Rest2 of - [{',',_}|Rest3] -> - parse_Enumerations(Rest3,[NamedNumber|Acc], ExtensionDefault); - _ when ExtensionDefault == 'IMPLIED'-> - {lists:reverse(['EXTENSIONMARK',NamedNumber|Acc]),Rest2}; +parse_Enumerations(Tokens0) -> + {Root,Tokens1} = parse_Enumeration(Tokens0), + case Tokens1 of + [{',',_},{'...',_},{',',_}|Tokens2] -> + {Ext,Tokens} = parse_Enumeration(Tokens2), + {Root++['EXTENSIONMARK'|Ext],Tokens}; + [{',',_},{'...',_}|Tokens] -> + {Root++['EXTENSIONMARK'],Tokens}; _ -> - {lists:reverse([NamedNumber|Acc]),Rest2} - end; -parse_Enumerations([{identifier,_,Id}|Rest], Acc, ExtensionDefault) -> - case Rest of - [{',',_}|Rest2] -> - parse_Enumerations(Rest2,[Id|Acc], ExtensionDefault); - _ when ExtensionDefault == 'IMPLIED' -> - {lists:reverse(['EXTENSIONMARK', Id |Acc]),Rest}; - _ -> - {lists:reverse([Id|Acc]),Rest} - end; -parse_Enumerations([{'...',_}|Rest], Acc, _ExtensionDefault) -> - case Rest of - [{',',_}|Rest2] -> - parse_Enumerations(Rest2,['EXTENSIONMARK'|Acc],undefined); - _ -> - {lists:reverse(['EXTENSIONMARK'|Acc]),Rest} + case get(extensiondefault) of + 'IMPLIED' -> + {Root++['EXTENSIONMARK'],Tokens1}; + _ -> + {Root,Tokens1} + end + end. + +parse_Enumeration(Tokens0) -> + {Item,Tokens} = parse_EnumerationItem(Tokens0), + parse_Enumeration_1(Tokens, [Item]). + +parse_Enumeration_1([{',',_}|Tokens1]=Tokens0, Acc) -> + try parse_EnumerationItem(Tokens1) of + {Item,Tokens} -> + parse_Enumeration_1(Tokens, [Item|Acc]) + catch + throw:{asn1_error,_} -> + {lists:reverse(Acc),Tokens0} end; -parse_Enumerations([H|_T],_,_) -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,identifier]}}). +parse_Enumeration_1(Tokens, Acc) -> + {lists:reverse(Acc),Tokens}. + +parse_EnumerationItem([#identifier{},{'(',_}|_]=Tokens) -> + parse_NamedNumber(Tokens); +parse_EnumerationItem([#identifier{val=Id}|Tokens]) -> + {Id,Tokens}; +parse_EnumerationItem(Tokens) -> + parse_error(Tokens). + +%%% +%%% End of parsing of ENUMERATED. +%%% parse_NamedNumberList(Tokens) -> - parse_NamedNumberList(Tokens,[]). + parse_NamedNumberList(Tokens, []). -parse_NamedNumberList(Tokens,Acc) -> +parse_NamedNumberList(Tokens, Acc) -> {NamedNum,Rest} = parse_NamedNumber(Tokens), case Rest of [{',',_}|Rest2] -> parse_NamedNumberList(Rest2,[NamedNum|Acc]); _ -> - {lists:reverse([NamedNum|Acc]),Rest} + {lists:reverse(Acc, [NamedNum]),Rest} end. -parse_NamedNumber([{identifier,_,Name},{'(',_}|Rest]) -> +parse_NamedNumber([#identifier{val=Name},{'(',_}|Rest]) -> Flist = [fun parse_SignedNumber/1, fun parse_DefinedValue/1], - case (catch parse_or(Rest,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); + case parse_or(Rest, Flist) of {NamedNum,[{')',_}|Rest2]} -> {{'NamedNumber',Name,NamedNum},Rest2}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected,'NamedNumberList']}}) + parse_error(Rest) end; parse_NamedNumber(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). + parse_error(Tokens). +parse_SignedNumber([{number,_,Value}|Rest]) -> + {Value,Rest}; +parse_SignedNumber(Tokens) -> + parse_error(Tokens). parse_Tag([{'[',_}|Rest]) -> {Class,Rest2} = parse_Class(Rest), @@ -2759,12 +2004,8 @@ parse_Tag([{'[',_}|Rest]) -> [{']',_}|Rest4] -> {#tag{class=Class,number=ClassNumber},Rest4}; _ -> - throw({asn1_error,{get_line(hd(Rest3)),get(asn1_module), - [got,get_token(hd(Rest3)),expected,']']}}) - end; -parse_Tag(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'[']}}). + parse_error(Rest3) + end. parse_Class([{'UNIVERSAL',_}|Rest]) -> {'UNIVERSAL',Rest}; @@ -2783,15 +2024,7 @@ parse_Value(Tokens) -> Flist = [fun parse_BuiltinValue/1, fun parse_ValueFromObject/1, fun parse_DefinedValue/1], - - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end. + parse_or(Tokens, Flist). parse_BuiltinValue([{bstring,_,Bstr}|Rest]) -> {{bstring,Bstr},Rest}; @@ -2804,18 +2037,11 @@ parse_BuiltinValue(Tokens = [{'{',_}|_Rest]) -> fun parse_SequenceOfValue/1, fun parse_SequenceValue/1, fun parse_ObjectIdentifierValue/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - Result -> - Result - end; -parse_BuiltinValue([{identifier,_,IdName},{':',_}|Rest]) -> + parse_or(Tokens, Flist); +parse_BuiltinValue([#identifier{val=IdName},{':',_}|Rest]) -> {Value,Rest2} = parse_Value(Rest), {{'CHOICE',{IdName,Value}},Rest2}; -parse_BuiltinValue(Tokens=[{'NULL',_},{':',_}|_Rest]) -> +parse_BuiltinValue([{'NULL',_},{':',_}|_]=Tokens) -> parse_ObjectClassFieldValue(Tokens); parse_BuiltinValue([{'NULL',_}|Rest]) -> {'NULL',Rest}; @@ -2831,50 +2057,44 @@ parse_BuiltinValue([{cstring,_,Cstr}|Rest]) -> {Cstr,Rest}; parse_BuiltinValue([{number,_,Num}|Rest]) -> {Num,Rest}; -parse_BuiltinValue([{'-',_},{number,_,Num}|Rest]) -> - {- Num,Rest}; parse_BuiltinValue(Tokens) -> parse_ObjectClassFieldValue(Tokens). -parse_DefinedValue(Tokens=[{identifier,_,_},{'{',_}|_Rest]) -> - parse_ParameterizedValue(Tokens); -%% Externalvaluereference -parse_DefinedValue([{typereference,L1,Tname},{'.',_},{identifier,_,Idname}|Rest]) -> +parse_DefinedValue(Tokens) -> + Flist = [fun parse_ParameterizedValue/1, + fun parse_DefinedValue2/1], + parse_or(Tokens, Flist). + +parse_DefinedValue2([{typereference,L1,Tname}, + {'.',_}, + #identifier{val=Idname}|Rest]) -> {#'Externalvaluereference'{pos=L1,module=Tname,value=Idname},Rest}; %% valuereference -parse_DefinedValue([Id = {identifier,_,_}|Rest]) -> +parse_DefinedValue2([#identifier{}=Id|Rest]) -> {identifier2Extvalueref(Id),Rest}; -%% ParameterizedValue -parse_DefinedValue(Tokens) -> - parse_ParameterizedValue(Tokens). +parse_DefinedValue2(Tokens) -> + parse_error(Tokens). parse_SequenceValue([{'{',_}|Tokens]) -> - parse_SequenceValue(Tokens,[]); -parse_SequenceValue(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_SequenceValue(Tokens, []). -parse_SequenceValue([{identifier,_,IdName}|Rest],Acc) -> +parse_SequenceValue([#identifier{pos=Pos,val=IdName}|Rest],Acc) -> {Value,Rest2} = parse_Value(Rest), + SeqTag = #seqtag{pos=Pos,module=get(asn1_module),val=IdName}, case Rest2 of [{',',_}|Rest3] -> - parse_SequenceValue(Rest3,[{IdName,Value}|Acc]); + parse_SequenceValue(Rest3, [{SeqTag,Value}|Acc]); [{'}',_}|Rest3] -> - {lists:reverse([{IdName,Value}|Acc]),Rest3}; + {lists:reverse(Acc, [{SeqTag,Value}]),Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end; parse_SequenceValue(Tokens,_Acc) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). + parse_error(Tokens). parse_SequenceOfValue([{'{',_}|Tokens]) -> - parse_SequenceOfValue(Tokens,[]); -parse_SequenceOfValue(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_SequenceOfValue(Tokens, []). parse_SequenceOfValue(Tokens,Acc) -> {Value,Rest2} = parse_Value(Tokens), @@ -2882,10 +2102,9 @@ parse_SequenceOfValue(Tokens,Acc) -> [{',',_}|Rest3] -> parse_SequenceOfValue(Rest3,[Value|Acc]); [{'}',_}|Rest3] -> - {lists:reverse([Value|Acc]),Rest3}; + {lists:reverse(Acc, [Value]),Rest3}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'}']}}) + parse_error(Rest2) end. parse_ValueSetTypeAssignment([{typereference,L1,Name}|Rest]) -> @@ -2895,49 +2114,31 @@ parse_ValueSetTypeAssignment([{typereference,L1,Name}|Rest]) -> {ValueSet,Rest4} = parse_ValueSet(Rest3), {#valuedef{pos=L1,name=Name,type=Type,value=ValueSet, module=get(asn1_module)},Rest4}; - [H|_T] -> - throw({asn1_error,{get_line(L1),get(asn1_module), - [got,get_token(H),expected,'::=']}}) - end; -parse_ValueSetTypeAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected, - typereference]}}). + _ -> + parse_error(Rest2) + end. parse_ValueSet([{'{',_}|Rest]) -> {Elems,Rest2} = parse_ElementSetSpecs(Rest), case Rest2 of [{'}',_}|Rest3] -> {{valueset,Elems},Rest3}; - [H|_T] -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,'}']}}) + _ -> + parse_error(Rest2) end; parse_ValueSet(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'{']}}). + parse_error(Tokens). -parse_ValueAssignment([{identifier,L1,IdName}|Rest]) -> +parse_ValueAssignment([#identifier{pos=L1,val=IdName}|Rest]) -> {Type,Rest2} = parse_Type(Rest), case Rest2 of [{'::=',_}|Rest3] -> {Value,Rest4} = parse_Value(Rest3), - case catch lookahead_assignment(Rest4) of - ok -> - {#valuedef{pos=L1,name=IdName,type=Type,value=Value, - module=get(asn1_module)},Rest4}; - Error -> - throw(Error) -%% throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), -%% [got,get_token(hd(Rest2)),expected,'::=']}}) - end; + {#valuedef{pos=L1,name=IdName,type=Type,value=Value, + module=get(asn1_module)},Rest4}; _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'::=']}}) - end; -parse_ValueAssignment(Tokens) -> - throw({asn1_assignment_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,identifier]}}). + parse_error(Rest2) + end. %% SizeConstraint parse_SubtypeElements([{'SIZE',_}|Tokens]) -> @@ -2957,8 +2158,7 @@ parse_SubtypeElements([{'WITH',_},{'COMPONENTS',_},{'{',_},{'...',_},{',',_}|Tok [{'}',_}|Rest2] -> {{'WITH COMPONENTS',{'PartialSpecification',Constraint}},Rest2}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected,'}']}}) + parse_error(Rest) end; parse_SubtypeElements([{'WITH',_},{'COMPONENTS',_},{'{',_}|Tokens]) -> {Constraint,Rest} = parse_TypeConstraints(Tokens), @@ -2966,28 +2166,18 @@ parse_SubtypeElements([{'WITH',_},{'COMPONENTS',_},{'{',_}|Tokens]) -> [{'}',_}|Rest2] -> {{'WITH COMPONENTS',{'FullSpecification',Constraint}},Rest2}; _ -> - throw({asn1_error,{get_line(hd(Rest)),get(asn1_module), - [got,get_token(hd(Rest)),expected,'}']}}) + parse_error(Rest) end; parse_SubtypeElements([{'PATTERN',_}|Tokens]) -> {Value,Rest} = parse_Value(Tokens), {{pattern,Value},Rest}; -%% SingleValue -%% ContainedSubtype -%% ValueRange -%% TypeConstraint -%% Moved fun parse_Value/1 and fun parse_Type/1 to parse_Elements parse_SubtypeElements(Tokens) -> Flist = [fun parse_ContainedSubtype/1, fun parse_Value/1, - fun([{'MIN',_}|T]) -> {'MIN',T} end, + fun parse_MIN/1, fun parse_Type/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - {asn1_error,Reason} -> - throw(Reason); - Result = {Val,_} when is_record(Val,type) -> + case parse_or(Tokens, Flist) of + {#type{},_}=Result -> Result; {Lower,[{'..',_}|Rest]} -> {Upper,Rest2} = parse_UpperEndpoint(Rest), @@ -3005,10 +2195,7 @@ parse_ContainedSubtype([{'INCLUDES',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {{'ContainedSubtype',Type},Rest2}; parse_ContainedSubtype(Tokens) -> - throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), - [got,get_token(hd(Tokens)),expected,'INCLUDES']}}). -%%parse_ContainedSubtype(Tokens) -> %this option is moved to parse_SubtypeElements -%% parse_Type(Tokens). + parse_error(Tokens). parse_UpperEndpoint([{'<',_}|Rest]) -> parse_UpperEndpoint(lt,Rest); @@ -3016,33 +2203,38 @@ parse_UpperEndpoint(Tokens) -> parse_UpperEndpoint(false,Tokens). parse_UpperEndpoint(Lt,Tokens) -> - Flist = [ fun([{'MAX',_}|T]) -> {'MAX',T} end, - fun parse_Value/1], - case (catch parse_or(Tokens,Flist)) of - {'EXIT',Reason} -> - exit(Reason); - AsnErr = {asn1_error,_} -> - throw(AsnErr); - {Value,Rest2} when Lt == lt -> + Flist = [fun parse_MAX/1, + fun parse_Value/1], + case parse_or(Tokens, Flist) of + {Value,Rest2} when Lt =:= lt -> {{lt,Value},Rest2}; {Value,Rest2} -> {Value,Rest2} end. +parse_MIN([{'MIN',_}|T]) -> + {'MIN',T}; +parse_MIN(Tokens) -> + parse_error(Tokens). + +parse_MAX([{'MAX',_}|T]) -> + {'MAX',T}; +parse_MAX(Tokens) -> + parse_error(Tokens). + parse_TypeConstraints(Tokens) -> - parse_TypeConstraints(Tokens,[]). + parse_TypeConstraints(Tokens, []). -parse_TypeConstraints([{identifier,_,_}|Rest],Acc) -> +parse_TypeConstraints([#identifier{}|Rest], Acc) -> {ComponentConstraint,Rest2} = parse_ComponentConstraint(Rest), case Rest2 of [{',',_}|Rest3] -> - parse_TypeConstraints(Rest3,[ComponentConstraint|Acc]); + parse_TypeConstraints(Rest3, [ComponentConstraint|Acc]); _ -> - {lists:reverse([ComponentConstraint|Acc]),Rest2} + {lists:reverse(Acc, [ComponentConstraint]),Rest2} end; -parse_TypeConstraints([H|_T],_) -> - throw({asn1_error,{get_line(H),get(asn1_module), - [got,get_token(H),expected,identifier]}}). +parse_TypeConstraints(Tokens, _) -> + parse_error(Tokens). parse_ComponentConstraint(Tokens = [{'(',_}|_Rest]) -> {ValueConstraint,Rest2} = parse_Constraint(Tokens), @@ -3062,145 +2254,36 @@ parse_PresenceConstraint(Tokens) -> {asn1_empty,Tokens}. -% merge_constraints({Rlist,ExtList}) -> % extensionmarker in constraint -% {merge_constraints(Rlist,[],[]), -% merge_constraints(ExtList,[],[])}; - -%% An arg with a constraint with extension marker will look like -%% [#constraint{c={Root,Ext}}|Rest] - merge_constraints(Clist) -> merge_constraints(Clist, [], []). -merge_constraints([Ch|Ct],Cacc, Eacc) -> - NewEacc = case Ch#constraint.e of - undefined -> Eacc; - E -> [E|Eacc] - end, - merge_constraints(Ct,[fixup_constraint(Ch#constraint.c)|Cacc],NewEacc); - -merge_constraints([],Cacc,[]) -> -%% lists:flatten(Cacc); +merge_constraints([#constraint{c=C,e=E}|T], Cacc0, Eacc0) -> + Eacc = case E of + undefined -> Eacc0; + E -> [E|Eacc0] + end, + Cacc = [C|Cacc0], + merge_constraints(T, Cacc, Eacc); +merge_constraints([], Cacc, []) -> lists:reverse(Cacc); -merge_constraints([],Cacc,Eacc) -> -%% lists:flatten(Cacc) ++ [{'Errors',Eacc}]. - lists:reverse(Cacc) ++ [{'Errors',Eacc}]. - - -fixup_constraint(C) -> - case C of - {'SingleValue',SubType} when element(1,SubType) == 'ContainedSubtype' -> - SubType; - {'SingleValue',V} when is_list(V) -> - C; - %% [C,{'ValueRange',{lists:min(V),lists:max(V)}}]; - %% bug, turns wrong when an element in V is a reference to a defined value - {'PermittedAlphabet',{'SingleValue',V}} when is_list(V) -> - %%sort and remove duplicates - V2 = {'SingleValue', - ordsets:from_list(lists:flatten(V))}, - {'PermittedAlphabet',V2}; - {'PermittedAlphabet',{'SingleValue',V}} -> - V2 = {'SingleValue',[V]}, - {'PermittedAlphabet',V2}; - {'SizeConstraint',Sc} -> - {'SizeConstraint',fixup_size_constraint(Sc)}; - - List when is_list(List) -> %% In This case maybe a union or intersection - [fixup_constraint(Xc)||Xc <- List]; - Other -> - Other - end. +merge_constraints([], Cacc, Eacc) -> + lists:reverse(Cacc) ++ [{element_set,{'Errors',Eacc},none}]. -fixup_size_constraint({'ValueRange',{Lb,Ub}}) -> - {Lb,Ub}; -fixup_size_constraint({{'ValueRange',R},[]}) -> - {R,[]}; -fixup_size_constraint({[],{'ValueRange',R}}) -> - {[],R}; -fixup_size_constraint({{'ValueRange',R1},{'ValueRange',R2}}) -> - {R1,R2}; -fixup_size_constraint({'SingleValue',[Sv]}) -> - fixup_size_constraint({'SingleValue',Sv}); -fixup_size_constraint({'SingleValue',L}) when is_list(L) -> - ordsets:from_list(L); -fixup_size_constraint({'SingleValue',L}) -> - {L,L}; -fixup_size_constraint({'SizeConstraint',C}) -> - %% this is a second SIZE - fixup_size_constraint(C); -fixup_size_constraint({C1,C2}) -> - %% this is with extension marks - {turn2vr(fixup_size_constraint(C1)), extension_size(fixup_size_constraint(C2))}; -fixup_size_constraint(CList) when is_list(CList) -> - [fixup_constraint(Xc)||Xc <- CList]. - -turn2vr(L) when is_list(L) -> - L2 =[X||X<-ordsets:from_list(L),is_integer(X)], - case L2 of - [H|_] -> - {H,hd(lists:reverse(L2))}; - _ -> - L - end; -turn2vr(VR) -> - VR. -extension_size({I,I}) -> - [I]; -extension_size({I1,I2}) -> - [I1,I2]; -extension_size(C) -> - C. - -get_line({_,Pos,Token}) when is_integer(Pos),is_atom(Token) -> +get_line({Token,Pos,_}) when is_integer(Pos), is_atom(Token) -> Pos; get_line({Token,Pos}) when is_integer(Pos),is_atom(Token) -> - Pos; -get_line(_) -> - undefined. - -get_token({_,Pos,Token}) when is_integer(Pos),is_atom(Token) -> - Token; + Pos. + +get_token({valuefieldreference,_,FieldName}) -> + list_to_atom([$&|atom_to_list(FieldName)]); +get_token({typefieldreference,_,FieldName}) -> + list_to_atom([$&|atom_to_list(FieldName)]); +get_token({Token,Pos,Value}) when is_integer(Pos), is_atom(Token) -> + Value; get_token({'$end',Pos}) when is_integer(Pos) -> - undefined; + 'END-OF-FILE'; get_token({Token,Pos}) when is_integer(Pos),is_atom(Token) -> - Token; -get_token(_) -> - undefined. - -prioritize_error(ErrList) -> - case lists:keymember(asn1_error,1,ErrList) of - false -> % only asn1_assignment_error -> take the last - lists:last(ErrList); - true -> % contains errors from deeper in a Type - NewErrList = [_Err={_,_}|_RestErr] = - lists:filter(fun({asn1_error,_})->true;(_)->false end, - ErrList), - SplitErrs = - lists:splitwith(fun({_,X})-> - case element(1,X) of - Int when is_integer(Int) -> true; - _ -> false - end - end, - NewErrList), - case SplitErrs of - {[],UndefPosErrs} -> % if no error with Positon exists - lists:last(UndefPosErrs); - {IntPosErrs,_} -> - IntPosReasons = lists:map(fun(X)->element(2,X) end,IntPosErrs), - SortedReasons = lists:keysort(1,IntPosReasons), - {asn1_error,lists:last(SortedReasons)} - end - end. - -%% most_prio_error([H={_,Reason}|T],Atom,Err) when is_atom(Atom) -> -%% most_prio_error(T,element(1,Reason),H); -%% most_prio_error([H={_,Reason}|T],Greatest,Err) -> -%% case element(1,Reason) of -%% Pos when is_integer(Pos),Pos>Greatest -> -%% most_prio_error( - + Token. tref2Exttref(#typereference{pos=Pos,val=Name}) -> #'Externaltypereference'{pos=Pos, @@ -3217,19 +2300,5 @@ identifier2Extvalueref(#identifier{pos=Pos,val=Name}) -> module=resolve_module(Name), value=Name}. -%% lookahead_assignment/1 checks that the next sequence of tokens -%% in Token contain a valid assignment or the -%% 'END' token. Otherwise an exception is thrown. -lookahead_assignment([{'END',_}|_Rest]) -> - ok; -lookahead_assignment(Tokens) -> - parse_Assignment(Tokens), - ok. - -is_pre_defined_class('TYPE-IDENTIFIER') -> - true; -is_pre_defined_class('ABSTRACT-SYNTAX') -> - true; -is_pre_defined_class(_) -> - false. - +parse_error(Tokens) -> + throw({asn1_error,{parse_error,Tokens}}). diff --git a/lib/asn1/src/asn1ct_pretty_format.erl b/lib/asn1/src/asn1ct_pretty_format.erl index a01c1db8c5..f4669f7eb0 100644 --- a/lib/asn1/src/asn1ct_pretty_format.erl +++ b/lib/asn1/src/asn1ct_pretty_format.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% diff --git a/lib/asn1/src/asn1ct_table.erl b/lib/asn1/src/asn1ct_table.erl index a5eb6d0413..1a3a81d329 100644 --- a/lib/asn1/src/asn1ct_table.erl +++ b/lib/asn1/src/asn1ct_table.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -22,34 +23,25 @@ %% Table abstraction module for ASN.1 compiler -export([new/1]). --export([new/2]). -export([new_reuse/1]). --export([new_reuse/2]). -export([exists/1]). -export([size/1]). -export([insert/2]). -export([lookup/2]). -export([match/2]). -export([to_list/1]). --export([delete/1]). % TODO: Remove (since we run in a separate process) +-export([delete/1]). -%% Always creates a new table -new(Table) -> new(Table, []). -new(Table, Options) -> - TableId = case get(Table) of - undefined -> - ets:new(Table, Options); - _ -> - delete(Table), - ets:new(Table, Options) - end, +%% Always create a new table. +new(Table) -> + undefined = get(Table), %Assertion. + TableId = ets:new(Table, []), put(Table, TableId). -%% Only create it if it doesn't exist yet -new_reuse(Table) -> new_reuse(Table, []). -new_reuse(Table, Options) -> - not exists(Table) andalso new(Table, Options). +%% Only create it if it doesn't exist yet. +new_reuse(Table) -> + not exists(Table) andalso new(Table). exists(Table) -> get(Table) =/= undefined. @@ -63,14 +55,17 @@ match(Table, MatchSpec) -> ets:match(get(Table), MatchSpec). to_list(Table) -> ets:tab2list(get(Table)). +%% Deleting tables is no longer strictly necessary since each compilation +%% runs in separate process, but it will reduce memory consumption +%% especially when many compilations are run in parallel. + delete(Tables) when is_list(Tables) -> [delete(T) || T <- Tables], true; delete(Table) when is_atom(Table) -> - case get(Table) of + case erase(Table) of undefined -> true; TableId -> - ets:delete(TableId), - erase(Table) + ets:delete(TableId) end. diff --git a/lib/asn1/src/asn1ct_tok.erl b/lib/asn1/src/asn1ct_tok.erl index 85199c65ec..8235b689f8 100644 --- a/lib/asn1/src/asn1ct_tok.erl +++ b/lib/asn1/src/asn1ct_tok.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -21,191 +22,177 @@ %% Tokenize ASN.1 code (input to parser generated with yecc) --export([get_name/2,tokenise/4, file/1]). - +-export([file/1,format_error/1]). -file(File) -> - case file:open(File, [read]) of +file(File0) -> + case file:open(File0, [read]) of {error, Reason} -> - {error,{File,file:format_error(Reason)}}; + {error,{File0,file:format_error(Reason)}}; {ok,Stream} -> - process(Stream,0,[]) + try + process(Stream, 1, []) + catch + throw:{error,Line,Reason} -> + File = filename:basename(File0), + Error = {structured_error,{File,Line},?MODULE,Reason}, + {error,[Error]} + end end. -process(Stream,Lno,R) -> - process(io:get_line(Stream, ''), Stream,Lno+1,R). - -process(eof, Stream,Lno,R) -> - file:close(Stream), - lists:flatten(lists:reverse([{'$end',Lno}|R])); - - -process(L, Stream,Lno,R) when is_list(L) -> - %%io:format('read:~s',[L]), - case catch tokenise(Stream,L,Lno,[]) of - {'ERR',Reason} -> - io:format("Tokeniser error on line: ~w ~w~n",[Lno,Reason]), - exit(0); - {NewLno,T} -> - %%io:format('toks:~w~n',[T]), - process(Stream,NewLno,[T|R]) - end. - -tokenise(Stream,[H|T],Lno,R) when $a =< H , H =< $z -> - {X, T1} = get_name(T, [H]), - tokenise(Stream,T1,Lno,[{identifier,Lno, list_to_atom(X)}|R]); - -tokenise(Stream,[$&,H|T],Lno,R) when $A =< H , H =< $Z -> - {Y, T1} = get_name(T, [H]), - X = list_to_atom(Y), - tokenise(Stream,T1,Lno,[{typefieldreference, Lno, X} | R]); - -tokenise(Stream,[$&,H|T],Lno,R) when $a =< H , H =< $z -> - {Y, T1} = get_name(T, [H]), - X = list_to_atom(Y), - tokenise(Stream,T1,Lno,[{valuefieldreference, Lno, X} | R]); - -tokenise(Stream,[H|T],Lno,R) when $A =< H , H =< $Z -> - {Y, T1} = get_name(T, [H]), - X = list_to_atom(Y), - case reserved_word(X) of - true -> - tokenise(Stream,T1,Lno,[{X,Lno}|R]); - false -> - tokenise(Stream,T1,Lno,[{typereference,Lno,X}|R]); - rstrtype -> - tokenise(Stream,T1,Lno,[{restrictedcharacterstringtype,Lno,X}|R]) - end; - -tokenise(Stream,[$-,H|T],Lno,R) when $0 =< H , H =< $9 -> - {X, T1} = get_number(T, [H]), - tokenise(Stream,T1,Lno,[{number,Lno,-1 * list_to_integer(X)}|R]); +process(Stream, Lno, R) -> + process(io:get_line(Stream, ''), Stream, Lno, R). + +process(eof, Stream, Lno, Acc) -> + ok = file:close(Stream), + lists:reverse([{'$end',Lno}|Acc]); +process(L, Stream, Lno0, Acc) when is_list(L) -> + try tokenise(Stream, L, Lno0, []) of + {Lno,[]} -> + process(Stream, Lno, Acc); + {Lno,Ts} -> + process(Stream, Lno, Ts++Acc) + catch + throw:{error,Reason} -> + throw({error,Lno0,Reason}) + end. -tokenise(Stream,[H|T],Lno,R) when $0 =< H , H =< $9 -> +format_error(eof_in_comment) -> + "premature end of file in multi-line comment"; +format_error(eol_in_token) -> + "end of line in token"; +format_error({invalid_binary_number,Str}) -> + io_lib:format("invalid binary number: '~s'", [Str]); +format_error({invalid_hex_number,Str}) -> + io_lib:format("invalid hex number: '~s'", [Str]); +format_error(Other) -> + io_lib:format("~p", [Other]). + +tokenise(Stream, [$&,H|T], Lno, R) when $A =< H , H =< $Z -> + {X,T1} = get_name(T, [H]), + tokenise(Stream, T1, Lno, [{typefieldreference,Lno,X}|R]); +tokenise(Stream, [$&,H|T], Lno, R) when $a =< H , H =< $z -> + {X,T1} = get_name(T, [H]), + tokenise(Stream, T1, Lno, [{valuefieldreference,Lno,X}|R]); + +tokenise(Stream, "--"++T, Lno, R) -> + tokenise(Stream, skip_comment(T), Lno, R); + +tokenise(Stream, [$-,H|T], Lno, R) when $0 =< H , H =< $9 -> {X, T1} = get_number(T, [H]), - tokenise(Stream,T1,Lno,[{number,Lno,list_to_integer(X)}|R]); - -tokenise(Stream,[$-,$-|T],Lno,R) -> - tokenise(Stream,skip_comment(T),Lno,R); - -tokenise(Stream,[$/,$*|T],Lno,R) -> - {NewLno,T1} = skip_multiline_comment(Stream,T,Lno,0), - tokenise(Stream,T1,NewLno,R); + tokenise(Stream, T1, Lno, [{number,Lno,-list_to_integer(X)}|R]); -tokenise(Stream,[$:,$:,$=|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'::=',Lno}|R]); +tokenise(Stream, "/*"++T, Lno0, R) -> + {Lno,T1} = skip_multiline_comment(Stream, T, Lno0, 0), + tokenise(Stream, T1, Lno, R); -tokenise(Stream,[$'|T],Lno,R) -> - case catch collect_quoted(T,Lno,[]) of - {'ERR',_} -> - throw({'ERR','bad_quote'}); - {Thing, T1} -> - tokenise(Stream,T1,Lno,[Thing|R]) - end; +tokenise(Stream, "::="++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'::=',Lno}|R]); +tokenise(Stream, ":"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{':',Lno}|R]); +tokenise(Stream, "'"++T0, Lno, R) -> + {Thing, T1} = collect_quoted(T0, Lno, []), + tokenise(Stream, T1, Lno, [Thing|R]); tokenise(Stream,[$"|T],Lno,R) -> {Str,T1} = collect_string(T,Lno), tokenise(Stream,T1,Lno,[Str|R]); -tokenise(Stream,[${|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'{',Lno}|R]); - -tokenise(Stream,[$}|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'}',Lno}|R]); - -%% tokenise(Stream,[$],$]|T],Lno,R) -> -%% tokenise(Stream,T,Lno,[{']]',Lno}|R]); +tokenise(Stream, "{"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'{',Lno}|R]); +tokenise(Stream, "}"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'}',Lno}|R]); %% Even though x.680 specify '[[' and ']]' as lexical items -%% it does not work to have them as such since the single [ and ] can -%% be used beside each other in the SYNTAX OF in x.681 -%% the solution chosen here , i.e. to have them as separate lexical items +%% it does not work to have them as such since the single '[' and ']' can +%% be used beside each other in 'WITH SYNTAX' in x.681. +%% The solution chosen here, i.e. to have them as separate lexical items %% will not detect the cases where there is white space between them -%% which would be an error in the use in ExtensionAdditionGroups - -%% tokenise(Stream,[$[,$[|T],Lno,R) -> -%% tokenise(Stream,T,Lno,[{'[[',Lno}|R]); - -tokenise(Stream,[$]|T],Lno,R) -> - tokenise(Stream,T,Lno,[{']',Lno}|R]); +%% which would be an error in the use in ExtensionAdditionGroups. -tokenise(Stream,[$[|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'[',Lno}|R]); +tokenise(Stream, "]"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{']',Lno}|R]); +tokenise(Stream, "["++T,Lno,R) -> + tokenise(Stream, T, Lno, [{'[',Lno}|R]); -tokenise(Stream,[$,|T],Lno,R) -> - tokenise(Stream,T,Lno,[{',',Lno}|R]); +tokenise(Stream, ","++T,Lno,R) -> + tokenise(Stream, T, Lno, [{',',Lno}|R]); -tokenise(Stream,[$(|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'(',Lno}|R]); -tokenise(Stream,[$)|T],Lno,R) -> - tokenise(Stream,T,Lno,[{')',Lno}|R]); +tokenise(Stream, "("++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'(',Lno}|R]); +tokenise(Stream, ")"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{')',Lno}|R]); -tokenise(Stream,[$.,$.,$.|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'...',Lno}|R]); +tokenise(Stream, "..."++T,Lno,R) -> + tokenise(Stream, T, Lno, [{'...',Lno}|R]); +tokenise(Stream, ".."++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'..',Lno}|R]); +tokenise(Stream, "."++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'.',Lno}|R]); -tokenise(Stream,[$.,$.|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'..',Lno}|R]); +tokenise(Stream, "|"++T, Lno, R) -> + tokenise(Stream, T, Lno, [{'|',Lno}|R]); -tokenise(Stream,[$.|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'.',Lno}|R]); -tokenise(Stream,[$^|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'^',Lno}|R]); -tokenise(Stream,[$!|T],Lno,R) -> - tokenise(Stream,T,Lno,[{'!',Lno}|R]); -tokenise(Stream,[$||T],Lno,R) -> - tokenise(Stream,T,Lno,[{'|',Lno}|R]); - -tokenise(Stream,[H|T],Lno,R) -> - case white_space(H) of +tokenise(Stream, [H|T], Lno, R) when $A =< H , H =< $Z -> + {X,T1} = get_name(T, [H]), + case reserved_word(X) of true -> - tokenise(Stream,T,Lno,R); + tokenise(Stream, T1, Lno, [{X,Lno}|R]); false -> - tokenise(Stream,T,Lno,[{list_to_atom([H]),Lno}|R]) + tokenise(Stream, T1, Lno, [{typereference,Lno,X}|R]); + rstrtype -> + tokenise(Stream, T1, Lno, [{restrictedcharacterstringtype,Lno,X}|R]) end; -tokenise(_Stream,[],Lno,R) -> - {Lno,lists:reverse(R)}. +tokenise(Stream, [H|T], Lno, R) when $a =< H , H =< $z -> + {X, T1} = get_name(T, [H]), + tokenise(Stream, T1, Lno, [{identifier,Lno,X}|R]); + +tokenise(Stream, [H|T], Lno, R) when $0 =< H , H =< $9 -> + {X, T1} = get_number(T, [H]), + tokenise(Stream, T1, Lno, [{number,Lno,list_to_integer(X)}|R]); -collect_string(L,Lno) -> - collect_string(L,Lno,[]). +tokenise(Stream, [H|T], Lno, R) when H =< $\s -> + tokenise(Stream, T, Lno, R); -collect_string([],_,_) -> - throw({'ERR','bad_quote found eof'}); +tokenise(Stream, [H|T], Lno, R) -> + tokenise(Stream, T, Lno, [{list_to_atom([H]),Lno}|R]); +tokenise(_Stream, [], Lno, R) -> + {Lno+1,R}. -collect_string([H|T],Lno,Str) -> - case H of - $" -> - {{cstring,1,lists:reverse(Str)},T}; - Ch -> - collect_string(T,Lno,[Ch|Str]) - end. - +collect_string(L, Lno) -> + collect_string(L, Lno, []). -% <name> is letters digits hyphens -% hypen is not the last character. Hypen hyphen is NOT allowed -% -% <identifier> ::= <lowercase> <name> +collect_string([$"|T], _Lno, Str) -> + {{cstring,1,lists:reverse(Str)},T}; +collect_string([H|T], Lno, Str) -> + collect_string(T, Lno, [H|Str]); +collect_string([], _, _) -> + throw({error,missing_quote_at_eof}). + +%% <name> is letters digits hyphens. +%% Hypen is not the last character. Hypen hyphen is NOT allowed. +%% +%% <identifier> ::= <lowercase> <name> -get_name([$-,Char|T], L) -> +get_name([$-,Char|T]=T0, Acc) -> case isalnum(Char) of true -> - get_name(T,[Char,$-|L]); + get_name(T, [Char,$-|Acc]); false -> - {lists:reverse(L),[$-,Char|T]} + {list_to_atom(lists:reverse(Acc)),T0} end; -get_name([$-|T], L) -> - {lists:reverse(L),[$-|T]}; -get_name([Char|T], L) -> +get_name([$-|_]=T, Acc) -> + {list_to_atom(lists:reverse(Acc)),T}; +get_name([Char|T]=T0, Acc) -> case isalnum(Char) of true -> - get_name(T,[Char|L]); + get_name(T, [Char|Acc]); false -> - {lists:reverse(L),[Char|T]} + {list_to_atom(lists:reverse(Acc)),T0} end; -get_name([], L) -> - {lists:reverse(L), []}. - +get_name([], Acc) -> + {list_to_atom(lists:reverse(Acc)),[]}. isalnum(H) when $A =< H , H =< $Z -> true; @@ -221,67 +208,54 @@ isdigit(H) when $0 =< H , H =< $9 -> isdigit(_) -> false. -white_space(9) -> true; -white_space(10) -> true; -white_space(13) -> true; -white_space(32) -> true; -white_space(_) -> false. - - -get_number([H|T], L) -> +get_number([H|T]=T0, L) -> case isdigit(H) of true -> get_number(T, [H|L]); false -> - {lists:reverse(L), [H|T]} + {lists:reverse(L), T0} end; get_number([], L) -> {lists:reverse(L), []}. -skip_comment([]) -> - []; -skip_comment([$-,$-|T]) -> - T; -skip_comment([_|T]) -> - skip_comment(T). - +skip_comment([]) -> []; +skip_comment("--"++T) -> T; +skip_comment([_|T]) -> skip_comment(T). -skip_multiline_comment(Stream,[],Lno,Level) -> - case io:get_line(Stream,'') of +skip_multiline_comment(Stream, [], Lno, Level) -> + case io:get_line(Stream, '') of eof -> - io:format("Tokeniser error on line: ~w~n" - "premature end of multiline comment~n",[Lno]), - exit(0); + throw({error,eof_in_comment}); Line -> - skip_multiline_comment(Stream,Line,Lno+1,Level) + skip_multiline_comment(Stream, Line, Lno+1, Level) end; -skip_multiline_comment(_Stream,[$*,$/|T],Lno,0) -> +skip_multiline_comment(_Stream, "*/"++T, Lno, 0) -> {Lno,T}; -skip_multiline_comment(Stream,[$*,$/|T],Lno,Level) -> - skip_multiline_comment(Stream,T,Lno,Level - 1); -skip_multiline_comment(Stream,[$/,$*|T],Lno,Level) -> - skip_multiline_comment(Stream,T,Lno,Level + 1); -skip_multiline_comment(Stream,[_|T],Lno,Level) -> - skip_multiline_comment(Stream,T,Lno,Level). - -collect_quoted([$',$B|T],Lno, L) -> +skip_multiline_comment(Stream, "*/"++T, Lno, Level) -> + skip_multiline_comment(Stream, T, Lno, Level - 1); +skip_multiline_comment(Stream, "/*"++T, Lno, Level) -> + skip_multiline_comment(Stream, T, Lno, Level + 1); +skip_multiline_comment(Stream, [_|T], Lno, Level) -> + skip_multiline_comment(Stream, T, Lno, Level). + +collect_quoted("'B"++T, Lno, L) -> case check_bin(L) of true -> - {{bstring,Lno, lists:reverse(L)}, T}; + {{bstring,Lno,lists:reverse(L)}, T}; false -> - throw({'ERR',{invalid_binary_number, lists:reverse(L)}}) + throw({error,{invalid_binary_number,lists:reverse(L)}}) end; -collect_quoted([$',$H|T],Lno, L) -> +collect_quoted("'H"++T, Lno, L) -> case check_hex(L) of true -> - {{hstring,Lno, lists:reverse(L)}, T}; + {{hstring,Lno,lists:reverse(L)}, T}; false -> - throw({'ERR',{invalid_binary_number, lists:reverse(L)}}) + throw({error,{invalid_hex_number,lists:reverse(L)}}) end; collect_quoted([H|T], Lno, L) -> collect_quoted(T, Lno,[H|L]); collect_quoted([], _, _) -> % This should be allowed FIX later - throw({'ERR',{eol_in_token}}). + throw({error,eol_in_token}). check_bin([$0|T]) -> check_bin(T); @@ -309,7 +283,6 @@ check_hex(_) -> %% returns rstrtype if A is a reserved word in the group %% RestrictedCharacterStringType reserved_word('ABSENT') -> true; -%reserved_word('ABSTRACT-SYNTAX') -> true; % impl as predef item reserved_word('ALL') -> true; reserved_word('ANY') -> true; reserved_word('APPLICATION') -> true; @@ -352,7 +325,6 @@ reserved_word('INCLUDES') -> true; reserved_word('INSTANCE') -> true; reserved_word('INTEGER') -> true; reserved_word('INTERSECTION') -> true; -reserved_word('ISO646String') -> rstrtype; reserved_word('MAX') -> true; reserved_word('MIN') -> true; reserved_word('MINUS-INFINITY') -> true; @@ -380,7 +352,6 @@ reserved_word('T61String') -> rstrtype; reserved_word('TAGS') -> true; reserved_word('TeletexString') -> rstrtype; reserved_word('TRUE') -> true; -%% reserved_word('TYPE-IDENTIFIER') -> true; % impl as predef item reserved_word('UNION') -> true; reserved_word('UNIQUE') -> true; reserved_word('UNIVERSAL') -> true; diff --git a/lib/asn1/src/asn1ct_value.erl b/lib/asn1/src/asn1ct_value.erl index ecdfa3f645..57cd3f8af6 100644 --- a/lib/asn1/src/asn1ct_value.erl +++ b/lib/asn1/src/asn1ct_value.erl @@ -1,23 +1,25 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1ct_value). +-compile([{nowarn_deprecated_function,{asn1rt,utf8_list_to_binary,1}}]). %% Generate Erlang values for ASN.1 types. %% The value is randomized within it's constraints @@ -32,11 +34,11 @@ from_type(M,Typename) -> - case asn1_db:dbget(M,Typename) of - undefined -> + case asn1_db:dbload(M) of + error -> {error,{not_found,{M,Typename}}}; - Tdef when is_record(Tdef,typedef) -> - Type = Tdef#typedef.typespec, + ok -> + #typedef{typespec=Type} = asn1_db:dbget(M, Typename), from_type(M,[Typename],Type); Vdef when is_record(Vdef,valuedef) -> from_value(Vdef); @@ -167,17 +169,16 @@ from_type_prim(M, D) -> case D#type.def of 'INTEGER' -> i_random(C); - {'INTEGER',NamedNumberList} -> - NN = [X||{X,_} <- NamedNumberList], - case NN of + {'INTEGER',[_|_]=NNL} -> + case C of [] -> - i_random(C); + {N,_} = lists:nth(random(length(NNL)), NNL), + N; _ -> - case C of - [] -> - lists:nth(random(length(NN)),NN); - _ -> - lists:nth((fun(0)->1;(X)->X end(i_random(C))),NN) + V = i_random(C), + case lists:keyfind(V, 2, NNL) of + false -> V; + {N,V} -> N end end; Enum when is_tuple(Enum),element(1,Enum)=='ENUMERATED' -> @@ -261,7 +262,11 @@ from_type_prim(M, D) -> 'BOOLEAN' -> true; 'OCTET STRING' -> - adjust_list(size_random(C),c_string(C,"OCTET STRING")); + S0 = adjust_list(size_random(C), c_string(C, "OCTET STRING")), + case M:legacy_erlang_types() of + false -> list_to_binary(S0); + true -> S0 + end; 'NumericString' -> adjust_list(size_random(C),c_string(C,"0123456789")); 'TeletexString' -> @@ -348,9 +353,7 @@ random_unnamed_bit_string(M, C) -> %% end. random(Upper) -> - {A1,A2,A3} = erlang:now(), - random:seed(A1,A2,A3), - random:uniform(Upper). + rand:uniform(Upper). size_random(C) -> case get_constraint(C,'SizeConstraint') of diff --git a/lib/asn1/src/asn1rt.erl b/lib/asn1/src/asn1rt.erl index d18f81346a..3e09ce2252 100644 --- a/lib/asn1/src/asn1rt.erl +++ b/lib/asn1/src/asn1rt.erl @@ -1,31 +1,31 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1rt). +-deprecated(module). %% Runtime functions for ASN.1 (i.e encode, decode) -export([encode/2,encode/3,decode/3,load_driver/0,unload_driver/0,info/1]). -export([utf8_binary_to_list/1,utf8_list_to_binary/1]). - --deprecated([load_driver/0,unload_driver/0]). encode(Module,{Type,Term}) -> encode(Module,Type,Term). diff --git a/lib/asn1/src/asn1rt_nif.erl b/lib/asn1/src/asn1rt_nif.erl index c1879e3dcf..ff464885f6 100644 --- a/lib/asn1/src/asn1rt_nif.erl +++ b/lib/asn1/src/asn1rt_nif.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2013. All Rights Reserved. +%% Copyright Ericsson AB 2002-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -30,7 +31,7 @@ -define(ASN1_NIF_VSN,1). load_nif() -> - LibBaseName = "asn1_erl_nif", + LibBaseName = "asn1rt_nif", PrivDir = code:priv_dir(asn1), LibName = case erlang:system_info(build_type) of opt -> diff --git a/lib/asn1/src/asn1rtt_ber.erl b/lib/asn1/src/asn1rtt_ber.erl index b5429fe324..fdb9b9061f 100644 --- a/lib/asn1/src/asn1rtt_ber.erl +++ b/lib/asn1/src/asn1rtt_ber.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -22,27 +23,28 @@ %% encoding / decoding of BER -export([ber_decode_nif/1,ber_decode_erlang/1,match_tags/2,ber_encode/1]). --export([encode_tags/2, - encode_tags/3, +-export([encode_tags/3, skip_ExtensionAdditions/2]). -export([encode_boolean/2,decode_boolean/2, encode_integer/2,encode_integer/3, - decode_integer/2,decode_integer/3, - decode_named_integer/3,decode_named_integer/4, - encode_enumerated/2,decode_enumerated/3, + decode_integer/2, + number2name/2, + encode_unnamed_bit_string/2,encode_unnamed_bit_string/3, + encode_named_bit_string/3,encode_named_bit_string/4, encode_bit_string/4, decode_named_bit_string/3, - decode_compact_bit_string/3, - decode_legacy_bit_string/3, - decode_native_bit_string/3, + decode_compact_bit_string/2,compact_bit_string_size/1, + decode_native_bit_string/2, + native_to_legacy_bit_string/1, encode_null/2,decode_null/2, encode_relative_oid/2,decode_relative_oid/2, encode_object_identifier/2,decode_object_identifier/2, encode_restricted_string/2, - decode_restricted_string/2,decode_restricted_string/3, - encode_universal_string/2,decode_universal_string/3, + decode_octet_string/2, + decode_restricted_string/2, + encode_universal_string/2,decode_universal_string/2, encode_UTF8_string/2,decode_UTF8_string/2, - encode_BMP_string/2,decode_BMP_string/3]). + encode_BMP_string/2,decode_BMP_string/2]). -export([encode_open_type/2,decode_open_type/2, decode_open_type_as_binary/2]). @@ -589,8 +591,6 @@ encode_tags(TagIn, {BytesSoFar,LenSoFar}) -> encode_open_type(Val, T) when is_list(Val) -> encode_open_type(list_to_binary(Val), T); -encode_open_type(Val, []) -> - {Val,byte_size(Val)}; encode_open_type(Val, Tag) -> encode_tags(Tag, Val, byte_size(Val)). @@ -695,41 +695,14 @@ encode_integer_neg(N, Acc) -> %%=============================================================================== %% decode integer -%% (Buffer, Range, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes} -%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes} %%=============================================================================== -decode_named_integer(Tlv, NamedNumberList, TagIn) -> - V = match_tags(Tlv, TagIn), - Int = decode_integer(V), - number2name(Int, NamedNumberList). - -decode_named_integer(Tlv, Range, NamedNumberList, TagIn) -> - V = match_tags(Tlv, TagIn), - Int = range_check_integer(decode_integer(V), Range), - number2name(Int, NamedNumberList). - decode_integer(Tlv, TagIn) -> - V = match_tags(Tlv, TagIn), - decode_integer(V). - -decode_integer(Tlv, Range, TagIn) -> - V = match_tags(Tlv, TagIn), - Int = decode_integer(V), - range_check_integer(Int, Range). - -decode_integer(Bin) -> + Bin = match_tags(Tlv, TagIn), Len = byte_size(Bin), <<Int:Len/signed-unit:8>> = Bin, Int. -range_check_integer(Int, {Lb,Ub}) when Lb =< Int, Int =< Ub -> - Int; -range_check_integer(Int, Range) -> - exit({error,{asn1,{integer_range,Range,Int}}}). - -number2name(Int, []) -> - Int; number2name(Int, NamedNumberList) -> case lists:keyfind(Int, 2, NamedNumberList) of {NamedVal,_} -> @@ -738,49 +711,60 @@ number2name(Int, NamedNumberList) -> Int end. - %%============================================================================ -%% Enumerated value, ITU_T X.690 Chapter 8.4 - -%% encode enumerated value +%% Bitstring value, ITU_T X.690 Chapter 8.6 +%% +%% encode bitstring value %%============================================================================ -encode_enumerated(Val, TagIn) when is_integer(Val) -> - encode_tags(TagIn, encode_integer(Val)). -%%============================================================================ -%% decode enumerated value -%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> Value -%%=========================================================================== -decode_enumerated(Tlv, NamedNumberList, Tags) -> - Buffer = match_tags(Tlv, Tags), - decode_enumerated_notag(Buffer, NamedNumberList, Tags). - -decode_enumerated_notag(Buffer, {NamedNumberList,ExtList}, _Tags) -> - IVal = decode_integer(Buffer), - case decode_enumerated1(IVal, NamedNumberList) of - {asn1_enum,IVal} -> - decode_enumerated1(IVal,ExtList); - EVal -> - EVal - end; -decode_enumerated_notag(Buffer, NNList, _Tags) -> - IVal = decode_integer(Buffer), - case decode_enumerated1(IVal, NNList) of - {asn1_enum,_} -> - exit({error,{asn1, {illegal_enumerated, IVal}}}); - EVal -> - EVal - end. +encode_unnamed_bit_string(Bits, TagIn) -> + Unused = (8 - (bit_size(Bits) band 7)) band 7, + Bin = <<Unused,Bits/bitstring,0:Unused>>, + encode_tags(TagIn, Bin, byte_size(Bin)). -decode_enumerated1(Val, NamedNumberList) -> - %% it must be a named integer - case lists:keyfind(Val, 2, NamedNumberList) of - {NamedVal, _} -> - NamedVal; - _ -> - {asn1_enum,Val} +encode_unnamed_bit_string(MaxBits, Bits, TagIn) -> + NumBits = bit_size(Bits), + Unused = (8 - (NumBits band 7)) band 7, + Bin = <<Unused,Bits/bitstring,0:Unused>>, + if + NumBits > MaxBits -> + exit({error,{asn1, + {bitstring_length, + {{was,NumBits},{maximum,MaxBits}}}}}); + true -> + encode_tags(TagIn, Bin, byte_size(Bin)) end. +encode_named_bit_string([H|_]=Bits, NamedBitList, TagIn) when is_atom(H) -> + do_encode_named_bit_string(Bits, NamedBitList, TagIn); +encode_named_bit_string([{bit,_}|_]=Bits, NamedBitList, TagIn) -> + do_encode_named_bit_string(Bits, NamedBitList, TagIn); +encode_named_bit_string([], _NamedBitList, TagIn) -> + encode_unnamed_bit_string(<<>>, TagIn); +encode_named_bit_string(Bits, _NamedBitList, TagIn) when is_bitstring(Bits) -> + encode_unnamed_bit_string(Bits, TagIn). + +encode_named_bit_string(C, [H|_]=Bits, NamedBitList, TagIn) when is_atom(H) -> + do_encode_named_bit_string(C, Bits, NamedBitList, TagIn); +encode_named_bit_string(C, [{bit,_}|_]=Bits, NamedBitList, TagIn) -> + do_encode_named_bit_string(C, Bits, NamedBitList, TagIn); +encode_named_bit_string(C, [], _NamedBitList, TagIn) -> + encode_unnamed_bit_string(C, <<>>, TagIn); +encode_named_bit_string(C, Bits, _NamedBitList, TagIn) when is_bitstring(Bits) -> + encode_unnamed_bit_string(C, Bits, TagIn). + +do_encode_named_bit_string([FirstVal | RestVal], NamedBitList, TagIn) -> + ToSetPos = get_all_bitposes([FirstVal | RestVal], NamedBitList, []), + Size = lists:max(ToSetPos) + 1, + BitList = make_and_set_list(Size, ToSetPos, 0), + {Len,Unused,OctetList} = encode_bitstring(BitList), + encode_tags(TagIn, [Unused|OctetList],Len+1). + +do_encode_named_bit_string(Size, [FirstVal | RestVal], NamedBitList, TagIn) -> + ToSetPos = get_all_bitposes([FirstVal | RestVal], NamedBitList, []), + BitList = make_and_set_list(Size, ToSetPos, 0), + {Len, Unused, OctetList} = encode_bitstring(BitList), + encode_tags(TagIn, [Unused|OctetList], Len+1). %%============================================================================ %% Bitstring value, ITU_T X.690 Chapter 8.6 @@ -881,15 +865,14 @@ remove_unused_then_dotag(TagIn,Unused,BinBits) -> encode_bit_string_named(C, [FirstVal | RestVal], NamedBitList, TagIn) -> ToSetPos = get_all_bitposes([FirstVal | RestVal], NamedBitList, []), - Size = - case C of - [] -> - lists:max(ToSetPos)+1; - {_Min,Max} -> - Max; - TSize -> - TSize - end, + Size = case C of + [] -> + lists:max(ToSetPos) + 1; + {_Min,Max} -> + Max; + TSize -> + TSize + end, BitList = make_and_set_list(Size, ToSetPos, 0), {Len, Unused, OctetList} = encode_bitstring(BitList), encode_tags(TagIn, [Unused|OctetList],Len+1). @@ -1047,33 +1030,23 @@ unused_bitlist([Bit | Rest], Trail, Ack) -> %% decode bitstring value %%============================================================================ -decode_compact_bit_string(Buffer, Range, Tags) -> +decode_compact_bit_string(Buffer, Tags) -> case match_and_collect(Buffer, Tags) of - <<0>> -> - check_restricted_string({0,<<>>}, 0, Range); - <<Unused,Bits/binary>> -> - Val = {Unused,Bits}, - Len = bit_size(Bits) - Unused, - check_restricted_string(Val, Len, Range) + <<0>> -> {0,<<>>}; + <<Unused,Bits/binary>> -> {Unused,Bits} end. -decode_legacy_bit_string(Buffer, Range, Tags) -> - Val = case match_and_collect(Buffer, Tags) of - <<0>> -> - []; - <<Unused,Bits/binary>> -> - decode_bitstring2(byte_size(Bits), Unused, Bits) - end, - check_restricted_string(Val, length(Val), Range). +compact_bit_string_size({Unused,Bits}) -> + bit_size(Bits) - Unused. -decode_native_bit_string(Buffer, Range, Tags) -> +decode_native_bit_string(Buffer, Tags) -> case match_and_collect(Buffer, Tags) of <<0>> -> - check_restricted_string(<<>>, 0, Range); + <<>>; <<Unused,Bits/binary>> -> Size = bit_size(Bits) - Unused, <<Val:Size/bitstring,_:Unused/bitstring>> = Bits, - check_restricted_string(Val, Size, Range) + Val end. decode_named_bit_string(Buffer, NamedNumberList, Tags) -> @@ -1096,6 +1069,9 @@ decode_bitstring2(Len, Unused, [B7,B6,B5,B4,B3,B2,B1,B0| decode_bitstring2(Len - 1, Unused, Buffer)]. +native_to_legacy_bit_string(Bits) -> + [B || <<B:1>> <= Bits]. + %%---------------------------------------- %% Decode the bitlist to names %%---------------------------------------- @@ -1252,25 +1228,19 @@ encode_restricted_string(OctetList, TagIn) when is_list(OctetList) -> encode_tags(TagIn, OctetList, length(OctetList)). %%============================================================================ -%% decode Numeric Printable Teletex Videotex Visible IA5 Graphic General strings +%% decode OCTET STRING to binary %%============================================================================ -decode_restricted_string(Tlv, TagsIn) -> +decode_octet_string(Tlv, TagsIn) -> Bin = match_and_collect(Tlv, TagsIn), - binary_to_list(Bin). + binary:copy(Bin). -decode_restricted_string(Tlv, Range, TagsIn) -> - Bin = match_and_collect(Tlv, TagsIn), - check_restricted_string(binary_to_list(Bin), byte_size(Bin), Range). +%%============================================================================ +%% decode Numeric Printable Teletex Videotex Visible IA5 Graphic General strings +%%============================================================================ -check_restricted_string(Val, _Len, []) -> - Val; -check_restricted_string(Val, Len, {Lb,Ub}) when Lb =< Len, Len =< Ub -> - Val; -check_restricted_string(Val, Len, Len) -> - Val; -check_restricted_string(Val, _Len, Range) -> - exit({error,{asn1,{length,Range,Val}}}). +decode_restricted_string(Tlv, TagsIn) -> + match_and_collect(Tlv, TagsIn). %%============================================================================ %% encode Universal string @@ -1296,10 +1266,9 @@ mk_uni_list([H|T],List) -> %% {String, Remain, RemovedBytes} %%=========================================================================== -decode_universal_string(Buffer, Range, Tags) -> +decode_universal_string(Buffer, Tags) -> Bin = match_and_collect(Buffer, Tags), - Val = mk_universal_string(binary_to_list(Bin)), - check_restricted_string(Val, length(Val), Range). + mk_universal_string(binary_to_list(Bin)). mk_universal_string(In) -> mk_universal_string(In, []). @@ -1359,10 +1328,9 @@ mk_BMP_list([H|T], List) -> %% (Buffer, Range, StringType, HasTag, TotalLen) -> %% {String, Remain, RemovedBytes} %%============================================================================ -decode_BMP_string(Buffer, Range, Tags) -> +decode_BMP_string(Buffer, Tags) -> Bin = match_and_collect(Buffer, Tags), - Val = mk_BMP_string(binary_to_list(Bin)), - check_restricted_string(Val, length(Val), Range). + mk_BMP_string(binary_to_list(Bin)). mk_BMP_string(In) -> mk_BMP_string(In,[]). diff --git a/lib/asn1/src/asn1rtt_check.erl b/lib/asn1/src/asn1rtt_check.erl index e78b65a8fb..e81842fd20 100644 --- a/lib/asn1/src/asn1rtt_check.erl +++ b/lib/asn1/src/asn1rtt_check.erl @@ -1,227 +1,168 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% -module(asn1rtt_check). --export([check_bool/2, +-export([check_fail/1, check_int/3, - check_bitstring/3, + check_legacy_bitstring/2, + check_legacy_named_bitstring/3, + check_legacy_named_bitstring/4, + check_named_bitstring/3, + check_named_bitstring/4, + check_literal_sof/2, check_octetstring/2, - check_null/2, check_objectidentifier/2, check_objectdescriptor/2, check_real/2, - check_enum/3, check_restrictedstring/2]). -check_bool(_Bool, asn1_DEFAULT) -> - true; -check_bool(Bool, Bool) when is_boolean(Bool) -> - true; -check_bool(_Bool1, Bool2) -> - throw({error,Bool2}). +check_fail(_) -> + throw(false). -check_int(_, asn1_DEFAULT, _) -> - true; check_int(Value, Value, _) when is_integer(Value) -> true; -check_int(DefValue, Value, NNL) when is_atom(Value) -> +check_int(Value, DefValue, NNL) when is_atom(Value) -> case lists:keyfind(Value, 1, NNL) of {_,DefValue} -> true; _ -> - throw({error,DefValue}) - end; -check_int(DefaultValue, _Value, _) -> - throw({error,DefaultValue}). - -%% Two equal lists or integers -check_bitstring(_, asn1_DEFAULT, _) -> - true; -check_bitstring(V, V, _) -> - true; -%% Default value as a list of 1 and 0 and user value as an integer -check_bitstring(L=[H|T], Int, _) when is_integer(Int), is_integer(H) -> - case bit_list_to_int(L, length(T)) of - Int -> true; - _ -> throw({error,L,Int}) + throw(false) end; -%% Default value as an integer, val as list -check_bitstring(Int, Val, NBL) when is_integer(Int), is_list(Val) -> - BL = int_to_bit_list(Int, [], length(Val)), - check_bitstring(BL, Val, NBL); -%% Default value and user value as lists of ones and zeros -check_bitstring(L1=[H1|_T1], L2=[H2|_T2], NBL=[_H|_T]) when is_integer(H1), is_integer(H2) -> - L2new = remove_trailing_zeros(L2), - check_bitstring(L1, L2new, NBL); -%% Default value as a list of 1 and 0 and user value as a list of atoms -check_bitstring(L1=[H1|_T1], L2=[H2|_T2], NBL) when is_integer(H1), is_atom(H2) -> - L3 = bit_list_to_nbl(L1, NBL, 0, []), - check_bitstring(L3, L2, NBL); -%% Both default value and user value as a list of atoms -check_bitstring(L1=[H1|T1], L2=[H2|_T2], _) - when is_atom(H1), is_atom(H2), length(L1) =:= length(L2) -> - case lists:member(H1, L2) of - true -> - check_bitstring1(T1, L2); - false -> throw({error,L2}) +check_int(_, _, _) -> + throw(false). + +check_legacy_bitstring(Value, Default) -> + check_bitstring(Default, Value). + +%% check_bitstring(Default, UserBitstring) -> true|false +%% Default = bitstring() +%% UserBitstring = integeger() | list(0|1) | {Unused,binary()} | bitstring() +check_bitstring(DefVal, {Unused,Binary}) -> + %% User value in compact format. + Sz = bit_size(Binary) - Unused, + <<Val:Sz/bitstring,_:Unused>> = Binary, + check_bitstring(DefVal, Val); +check_bitstring(DefVal, Val) when is_bitstring(Val) -> + case Val =:= DefVal of + false -> throw(false); + true -> true end; -%% Default value as a list of atoms and user value as a list of 1 and 0 -check_bitstring(L1=[H1|_T1], L2=[H2|_T2], NBL) when is_atom(H1), is_integer(H2) -> - L3 = bit_list_to_nbl(L2, NBL, 0, []), - check_bitstring(L1, L3, NBL); -%% User value in compact format -check_bitstring(DefVal,CBS={_,_}, NBL) -> - NewVal = cbs_to_bit_list(CBS), - check_bitstring(DefVal, NewVal, NBL); -check_bitstring(DV, V, _) -> - throw({error,DV,V}). - - -bit_list_to_int([0|Bs], ShL)-> - bit_list_to_int(Bs, ShL-1) + 0; -bit_list_to_int([1|Bs], ShL) -> - bit_list_to_int(Bs, ShL-1) + (1 bsl ShL); -bit_list_to_int([], _) -> - 0. - -int_to_bit_list(0, Acc, 0) -> - Acc; -int_to_bit_list(Int, Acc, Len) -> - int_to_bit_list(Int bsr 1, [Int band 1|Acc], Len - 1). - -bit_list_to_nbl([0|T], NBL, Pos, Acc) -> - bit_list_to_nbl(T, NBL, Pos+1, Acc); -bit_list_to_nbl([1|T], NBL, Pos, Acc) -> - case lists:keyfind(Pos, 2, NBL) of - {N,_} -> - bit_list_to_nbl(T, NBL, Pos+1, [N|Acc]); +check_bitstring(Def, Val) when is_list(Val) -> + check_bitstring_list(Def, Val); +check_bitstring(Def, Val) when is_integer(Val) -> + check_bitstring_integer(Def, Val). + +check_bitstring_list(<<H:1,T1/bitstring>>, [H|T2]) -> + check_bitstring_list(T1, T2); +check_bitstring_list(<<>>, []) -> + true; +check_bitstring_list(_, _) -> + throw(false). + +check_bitstring_integer(<<H:1,T1/bitstring>>, Int) when H =:= Int band 1 -> + check_bitstring_integer(T1, Int bsr 1); +check_bitstring_integer(<<>>, 0) -> + true; +check_bitstring_integer(_, _) -> + throw(false). + +check_legacy_named_bitstring([Int|_]=Val, Bs, BsSize) when is_integer(Int) -> + check_named_bitstring(<< <<B:1>> || B <- Val >>, Bs, BsSize); +check_legacy_named_bitstring({Unused,Val0}, Bs, BsSize) -> + Sz = bit_size(Val0) - Unused, + <<Val:Sz/bits,_/bits>> = Val0, + check_named_bitstring(Val, Bs, BsSize); +check_legacy_named_bitstring(Val, Bs, BsSize) when is_integer(Val) -> + L = legacy_int_to_bitlist(Val), + check_named_bitstring(<< <<B:1>> || B <- L >>, Bs, BsSize); +check_legacy_named_bitstring(Val, Bs, BsSize) -> + check_named_bitstring(Val, Bs, BsSize). + +check_legacy_named_bitstring([Int|_]=Val, Names, Bs, BsSize) when is_integer(Int) -> + check_named_bitstring(<< <<B:1>> || B <- Val >>, Names, Bs, BsSize); +check_legacy_named_bitstring({Unused,Val0}, Names, Bs, BsSize) -> + Sz = bit_size(Val0) - Unused, + <<Val:Sz/bits,_/bits>> = Val0, + check_named_bitstring(Val, Names, Bs, BsSize); +check_legacy_named_bitstring(Val, Names, Bs, BsSize) when is_integer(Val) -> + L = legacy_int_to_bitlist(Val), + check_named_bitstring(<< <<B:1>> || B <- L >>, Names, Bs, BsSize); +check_legacy_named_bitstring(Val, Names, Bs, BsSize) -> + check_named_bitstring(Val, Names, Bs, BsSize). + +legacy_int_to_bitlist(0) -> + []; +legacy_int_to_bitlist(Int) -> + [Int band 1|legacy_int_to_bitlist(Int bsr 1)]. + +check_named_bitstring(Bs, Bs, _) -> + true; +check_named_bitstring(Val, Bs, BsSize) -> + Rest = bit_size(Val) - BsSize, + case Val of + <<Bs:BsSize/bits,0:Rest>> -> + true; _ -> - throw({error,{no,named,element,at,pos,Pos}}) - end; -bit_list_to_nbl([], _, _, Acc) -> - Acc. - -remove_trailing_zeros(L2) -> - remove_trailing_zeros1(lists:reverse(L2)). -remove_trailing_zeros1(L) -> - lists:reverse(lists:dropwhile(fun(0)->true; - (_) ->false - end, - L)). - -check_bitstring1([H|T], NBL) -> - case lists:member(H, NBL) of - true -> check_bitstring1(T, NBL); - V -> throw({error,V}) - end; -check_bitstring1([], _) -> - true. - -cbs_to_bit_list({Unused, <<B7:1,B6:1,B5:1,B4:1,B3:1,B2:1,B1:1,B0:1,Rest/binary>>}) when byte_size(Rest) >= 1 -> - [B7,B6,B5,B4,B3,B2,B1,B0|cbs_to_bit_list({Unused,Rest})]; -cbs_to_bit_list({0,<<B7:1,B6:1,B5:1,B4:1,B3:1,B2:1,B1:1,B0:1>>}) -> - [B7,B6,B5,B4,B3,B2,B1,B0]; -cbs_to_bit_list({Unused,Bin}) when byte_size(Bin) =:= 1 -> - Used = 8-Unused, - <<Int:Used,_:Unused>> = Bin, - int_to_bit_list(Int, [], Used). - + throw(false) + end. -check_octetstring(_, asn1_DEFAULT) -> - true; -check_octetstring(L, L) -> - true; -check_octetstring(L, Int) when is_list(L), is_integer(Int) -> - case integer_to_octetlist(Int) of - L -> true; - V -> throw({error,V}) +check_named_bitstring([_|_]=Val, Names, _, _) -> + case lists:sort(Val) of + Names -> true; + _ -> throw(false) end; -check_octetstring(_, V) -> - throw({error,V}). - -integer_to_octetlist(Int) -> - integer_to_octetlist(Int, []). -integer_to_octetlist(0, Acc) -> - Acc; -integer_to_octetlist(Int, Acc) -> - integer_to_octetlist(Int bsr 8, [(Int band 255)|Acc]). - -check_null(_, asn1_DEFAULT) -> - true; -check_null('NULL', 'NULL') -> +check_named_bitstring(Bs, _, Bs, _) -> true; -check_null(_, V) -> - throw({error,V}). +check_named_bitstring(Val, _, Bs, BsSize) -> + Rest = bit_size(Val) - BsSize, + case Val of + <<Bs:BsSize/bits,0:Rest>> -> + true; + _ -> + throw(false) + end. -check_objectidentifier(_, asn1_DEFAULT) -> - true; -check_objectidentifier(OI, OI) -> +check_octetstring(V, V) -> true; -check_objectidentifier(DOI, OI) when is_tuple(DOI), is_tuple(OI) -> - check_objectidentifier1(tuple_to_list(DOI), tuple_to_list(OI)); -check_objectidentifier(_, OI) -> - throw({error,OI}). - -check_objectidentifier1([V|Rest1], [V|Rest2]) -> - check_objectidentifier1(Rest1, Rest2, V); -check_objectidentifier1([V1|Rest1], [V2|Rest2]) -> - case reserved_objectid(V2, []) of - V1 -> - check_objectidentifier1(Rest1, Rest2, [V1]); - V -> - throw({error,V}) - end. -check_objectidentifier1([V|Rest1], [V|Rest2], Above) -> - check_objectidentifier1(Rest1, Rest2, [V|Above]); -check_objectidentifier1([V1|Rest1], [V2|Rest2], Above) -> - case reserved_objectid(V2, Above) of - V1 -> - check_objectidentifier1(Rest1, Rest2, [V1|Above]); - V -> - throw({error,V}) +check_octetstring(V, Def) when is_list(V) -> + case list_to_binary(V) of + Def -> true; + _ -> throw(false) + end; +check_octetstring(_, _) -> + throw(false). + +check_objectidentifier(Value, {Prefix,Tail}) when is_tuple(Value) -> + check_oid(tuple_to_list(Value), Prefix, Tail); +check_objectidentifier(_, _) -> + throw(false). + +check_oid([H|T], [K|Ks], Tail) -> + case lists:member(H, K) of + false -> throw(false); + true -> check_oid(T, Ks, Tail) end; -check_objectidentifier1([], [], _) -> +check_oid(Tail, [], Tail) -> true; -check_objectidentifier1(_, V, _) -> - throw({error,object,identifier,V}). - -%% ITU-T Rec. X.680 Annex B - D -reserved_objectid('itu-t', []) -> 0; -reserved_objectid('ccitt', []) -> 0; -%% arcs below "itu-t" -reserved_objectid('recommendation', [0]) -> 0; -reserved_objectid('question', [0]) -> 1; -reserved_objectid('administration', [0]) -> 2; -reserved_objectid('network-operator', [0]) -> 3; -reserved_objectid('identified-organization', [0]) -> 4; - -reserved_objectid(iso, []) -> 1; -%% arcs below "iso", note that number 1 is not used -reserved_objectid('standard', [1]) -> 0; -reserved_objectid('member-body', [1]) -> 2; -reserved_objectid('identified-organization', [1]) -> 3; - -reserved_objectid('joint-iso-itu-t', []) -> 2; -reserved_objectid('joint-iso-ccitt', []) -> 2; - -reserved_objectid(_, _) -> false. - +check_oid(_, _, _) -> + throw(false). check_objectdescriptor(_, asn1_DEFAULT) -> true; @@ -237,21 +178,6 @@ check_real(R, R) -> check_real(_, _) -> throw({error,{not_implemented_yet,check_real}}). -check_enum(_, asn1_DEFAULT, _) -> - true; -check_enum(Val, Val, _) -> - true; -check_enum(Int, Atom, Enumerations) when is_integer(Int), is_atom(Atom) -> - case lists:keyfind(Atom, 1, Enumerations) of - {_,Int} -> true; - _ -> throw({error,{enumerated,Int,Atom}}) - end; -check_enum(DefVal, Val, _) -> - throw({error,{enumerated,DefVal,Val}}). - - -check_restrictedstring(_, asn1_DEFAULT) -> - true; check_restrictedstring(Val, Val) -> true; check_restrictedstring([V|Rest1], [V|Rest2]) -> @@ -270,7 +196,15 @@ check_restrictedstring({V1,V2,V3,V4}, [V1,V2,V3,V4]) -> check_restrictedstring([V1,V2,V3,V4], {V1,V2,V3,V4}) -> true; %% character string list -check_restrictedstring(V1, V2) when is_list(V1), is_tuple(V2) -> - check_restrictedstring(V1, tuple_to_list(V2)); -check_restrictedstring(V1, V2) -> - throw({error,{restricted,string,V1,V2}}). +check_restrictedstring(V1, V2) when is_tuple(V1) -> + check_restrictedstring(tuple_to_list(V1), V2); +check_restrictedstring(_, _) -> + throw(false). + +check_literal_sof(Value, Default) -> + case lists:sort(Value) of + Default -> + true; + _ -> + throw(false) + end. diff --git a/lib/asn1/src/asn1rtt_ext.erl b/lib/asn1/src/asn1rtt_ext.erl index 46adb2007d..3bf01823db 100644 --- a/lib/asn1/src/asn1rtt_ext.erl +++ b/lib/asn1/src/asn1rtt_ext.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -38,7 +39,7 @@ transform_to_EXTERNAL1990([{'context-negotiation',Context_negot}|Rest], Acc) -> transform_to_EXTERNAL1990([asn1_NOVALUE|Rest], Acc) -> transform_to_EXTERNAL1990(Rest, [asn1_NOVALUE|Acc]); transform_to_EXTERNAL1990([Data_val_desc,Data_value], Acc) - when is_list(Data_value)-> + when is_list(Data_value); is_binary(Data_value) -> list_to_tuple(lists:reverse([{'octet-aligned',Data_value}, Data_val_desc|Acc])); transform_to_EXTERNAL1990([Data_val_desc,Data_value], Acc) diff --git a/lib/asn1/src/asn1rtt_per.erl b/lib/asn1/src/asn1rtt_per.erl index 9f4b7500d8..753a38aa6e 100644 --- a/lib/asn1/src/asn1rtt_per.erl +++ b/lib/asn1/src/asn1rtt_per.erl @@ -1,79 +1,25 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% -module(asn1rtt_per). --export([setext/1, fixextensions/2, - skipextensions/3, - set_choice/3,encode_integer/2, - encode_small_number/1, - encode_constrained_number/2, - encode_length/1, - encode_length/2, - encode_bit_string/3, - encode_object_identifier/1, - encode_relative_oid/1, - complete/1, - encode_open_type/1, - encode_GeneralString/2, - encode_GraphicString/2, - encode_TeletexString/2, - encode_VideotexString/2, - encode_ObjectDescriptor/2, - encode_UTF8String/1, - encode_octet_string/2, - encode_known_multiplier_string/4, - octets_to_complete/2]). - --define('16K',16384). --define('32K',32768). --define('64K',65536). - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% setext(true|false) -> CompleteList -%% - -setext(false) -> - [0]; -setext(true) -> - [1]. - -fixextensions({ext,ExtPos,ExtNum},Val) -> - case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of - 0 -> []; - ExtBits -> - [encode_small_length(ExtNum)|pre_complete_bits(ExtNum,ExtBits)] - end. - -fixextensions(Pos,MaxPos,_,Acc) when Pos >= MaxPos -> - Acc; -fixextensions(Pos,ExtPos,Val,Acc) -> - Bit = case catch(element(Pos+1,Val)) of - asn1_NOVALUE -> - 0; - asn1_NOEXTVALUE -> - 0; - {'EXIT',_} -> - 0; - _ -> - 1 - end, - fixextensions(Pos+1,ExtPos,Val,(Acc bsl 1)+Bit). +-export([skipextensions/3,complete/1]). skipextensions(Bytes0, Nr, ExtensionBitstr) when is_bitstring(ExtensionBitstr) -> Prev = Nr - 1, @@ -95,270 +41,6 @@ align(BitStr) when is_bitstring(BitStr) -> <<_:AlignBits,Rest/binary>> = BitStr, Rest. -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% set_choice(Alt,Choices,Altnum) -> ListofBitSettings -%% Alt = atom() -%% Altnum = integer() | {integer(),integer()}% number of alternatives -%% Choices = [atom()] | {[atom()],[atom()]} -%% When Choices is a tuple the first list is the Rootset and the -%% second is the Extensions and then Altnum must also be a tuple with the -%% lengths of the 2 lists -%% -set_choice(Alt,{L1,L2},{Len1,_Len2}) -> - case set_choice_tag(Alt,L1) of - N when is_integer(N), Len1 > 1 -> - [0, % the value is in the root set - encode_constrained_number({0,Len1-1},N)]; - N when is_integer(N) -> - [0]; % no encoding if only 0 or 1 alternative - false -> - [1, % extension value - case set_choice_tag(Alt, L2) of - N2 when is_integer(N2) -> - encode_small_number(N2); - false -> - unknown_choice_alt - end] - end; -set_choice(Alt, L, Len) -> - case set_choice_tag(Alt, L) of - N when is_integer(N), Len > 1 -> - encode_constrained_number({0,Len-1},N); - N when is_integer(N) -> - []; % no encoding if only 0 or 1 alternative - false -> - [unknown_choice_alt] - end. - -set_choice_tag(Alt,Choices) -> - set_choice_tag(Alt,Choices,0). - -set_choice_tag(Alt,[Alt|_Rest],Tag) -> - Tag; -set_choice_tag(Alt,[_H|Rest],Tag) -> - set_choice_tag(Alt,Rest,Tag+1); -set_choice_tag(_Alt,[],_Tag) -> - false. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_open_type(Constraint, Value) -> CompleteList -%% Value = list of bytes of an already encoded value (the list must be flat) -%% | binary -%% Contraint = not used in this version -%% -encode_open_type(Val) -> - case byte_size(Val) of - Size when Size > 255 -> - [encode_length(Size),21,<<Size:16>>,Val]; % octets implies align - Size -> - [encode_length(Size),20,Size,Val] - end. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_integer(Constraint, Value) -> CompleteList -%% -encode_integer([{Rc,_Ec}],Val) when is_tuple(Rc) -> - try - [0|encode_integer([Rc], Val)] - catch - _:{error,{asn1,_}} -> - [1|encode_unconstrained_number(Val)] - end; -encode_integer([], Val) -> - encode_unconstrained_number(Val); -%% The constraint is the effective constraint, and in this case is a number -encode_integer([{'SingleValue',V}], V) -> - []; -encode_integer([{'ValueRange',{Lb,Ub}=VR,Range,PreEnc}],Val) - when Val >= Lb, Ub >= Val -> - %% this case when NamedNumberList - encode_constrained_number(VR, Range, PreEnc, Val); -encode_integer([{'ValueRange',{Lb,'MAX'}}], Val) when Lb =< Val -> - encode_semi_constrained_number(Lb, Val); -encode_integer([{'ValueRange',{'MIN',_}}], Val) -> - encode_unconstrained_number(Val); -encode_integer([{'ValueRange',VR={_Lb,_Ub}}], Val) -> - encode_constrained_number(VR, Val); -encode_integer(_,Val) -> - exit({error,{asn1,{illegal_value,Val}}}). - - -%% X.691:10.6 Encoding of a normally small non-negative whole number -%% Use this for encoding of CHOICE index if there is an extension marker in -%% the CHOICE -encode_small_number(Val) when Val < 64 -> - [10,7,Val]; -encode_small_number(Val) -> - [1|encode_semi_constrained_number(0, Val)]. - -%% X.691:10.7 Encoding of a semi-constrained whole number -encode_semi_constrained_number(Lb, Val) -> - Val2 = Val - Lb, - Oct = eint_positive(Val2), - Len = length(Oct), - if - Len < 128 -> - [20,Len+1,Len|Oct]; - Len < 256 -> - [encode_length(Len),20,Len|Oct]; - true -> - [encode_length(Len),21,<<Len:16>>|Oct] - end. - -encode_constrained_number({Lb,_Ub},_Range,{bits,N},Val) -> - Val2 = Val-Lb, - [10,N,Val2]; -encode_constrained_number({Lb,_Ub},_Range,{octets,N},Val) when N < 256-> - %% N is 8 or 16 (1 or 2 octets) - Val2 = Val-Lb, - [20,N,Val2]; -encode_constrained_number({Lb,_Ub},_Range,{octets,N},Val) -> % N>255 - %% N is 8 or 16 (1 or 2 octets) - Val2 = Val-Lb, - [21,<<N:16>>,Val2]; -encode_constrained_number({Lb,_Ub},Range,_,Val) -> - Val2 = Val-Lb, - if - Range =< 16#1000000 -> % max 3 octets - Octs = eint_positive(Val2), - L = length(Octs), - [encode_length({1,3},L),[20,L,Octs]]; - Range =< 16#100000000 -> % max 4 octets - Octs = eint_positive(Val2), - L = length(Octs), - [encode_length({1,4},L),[20,L,Octs]]; - Range =< 16#10000000000 -> % max 5 octets - Octs = eint_positive(Val2), - L = length(Octs), - [encode_length({1,5},L),[20,L,Octs]]; - true -> - exit({not_supported,{integer_range,Range}}) - end. - -encode_constrained_number({Lb,Ub}, Val) when Val >= Lb, Ub >= Val -> - Range = Ub - Lb + 1, - Val2 = Val - Lb, - if - Range == 1 -> []; - Range == 2 -> - [Val2]; - Range =< 4 -> - [10,2,Val2]; - Range =< 8 -> - [10,3,Val2]; - Range =< 16 -> - [10,4,Val2]; - Range =< 32 -> - [10,5,Val2]; - Range =< 64 -> - [10,6,Val2]; - Range =< 128 -> - [10,7,Val2]; - Range =< 255 -> - [10,8,Val2]; - Range =< 256 -> - [20,1,Val2]; - Range =< 65536 -> - [20,2,<<Val2:16>>]; - Range =< (1 bsl (255*8)) -> - Octs = binary:encode_unsigned(Val2), - RangeOcts = binary:encode_unsigned(Range - 1), - OctsLen = byte_size(Octs), - RangeOctsLen = byte_size(RangeOcts), - LengthBitsNeeded = minimum_bits(RangeOctsLen - 1), - [10,LengthBitsNeeded,OctsLen-1,20,OctsLen,Octs]; - true -> - exit({not_supported,{integer_range,Range}}) - end; -encode_constrained_number({_,_},Val) -> - exit({error,{asn1,{illegal_value,Val}}}). - -%% For some reason the minimum bits needed in the length field in -%% the encoding of constrained whole numbers must always be at least 2? -minimum_bits(N) when N < 4 -> 2; -minimum_bits(N) when N < 8 -> 3; -minimum_bits(N) when N < 16 -> 4; -minimum_bits(N) when N < 32 -> 5; -minimum_bits(N) when N < 64 -> 6; -minimum_bits(N) when N < 128 -> 7; -minimum_bits(_N) -> 8. - -%% X.691:10.8 Encoding of an unconstrained whole number - -encode_unconstrained_number(Val) -> - Oct = if - Val >= 0 -> - eint(Val, []); - true -> - enint(Val, []) - end, - Len = length(Oct), - if - Len < 128 -> - [20,Len + 1,Len|Oct]; - Len < 256 -> - [20,Len + 2,<<2:2,Len:14>>|Oct]; - true -> - [encode_length(Len),21,<<Len:16>>|Oct] - end. - -%% used for positive Values which don't need a sign bit -%% returns a list -eint_positive(Val) -> - case eint(Val,[]) of - [0,B1|T] -> - [B1|T]; - T -> - T - end. - - -eint(0, [B|Acc]) when B < 128 -> - [B|Acc]; -eint(N, Acc) -> - eint(N bsr 8, [N band 16#ff| Acc]). - -enint(-1, [B1|T]) when B1 > 127 -> - [B1|T]; -enint(N, Acc) -> - enint(N bsr 8, [N band 16#ff|Acc]). - -%% X.691:10.9 Encoding of a length determinant -%%encode_small_length(undefined,Len) -> % null means no UpperBound -%% encode_small_number(Len). - -%% X.691:10.9.3.5 -%% X.691:10.9.3.7 -encode_length(Len) -> % unconstrained - if - Len < 128 -> - [20,1,Len]; - Len < 16384 -> - <<20,2,2:2,Len:14>>; - true -> % should be able to endode length >= 16384 i.e. fragmented length - exit({error,{asn1,{encode_length,{nyi,above_16k}}}}) - end. - -encode_length({C,[]}, Len) -> - case C of - {Lb,Ub}=Vr when Lb =< Len, Len =< Ub -> - [0|encode_constrained_number(Vr, Len)]; - _ -> - [1|encode_length(Len)] - end; -encode_length(Len, Len) -> - []; -encode_length(Vr, Len) -> - encode_constrained_number(Vr, Len). - -%% X.691 10.9.3.4 (only used for length of bitmap that prefixes extension -%% additions in a sequence or set -encode_small_length(Len) when Len =< 64 -> - [10,7,Len-1]; -encode_small_length(Len) -> - [1,encode_length(Len)]. - - decode_length(Buffer) -> % un-constrained case align(Buffer) of <<0:1,Oct:7,Rest/binary>> -> @@ -370,511 +52,70 @@ decode_length(Buffer) -> % un-constrained exit({error,{asn1,{decode_length,{nyi,above_16k}}}}) end. -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% bitstring NamedBitList -%% Val can be of: -%% - [identifiers] where only named identifers are set to one, -%% the Constraint must then have some information of the -%% bitlength. -%% - [list of ones and zeroes] all bits -%% - integer value representing the bitlist -%% C is constraint Len, only valid when identifiers - - -%% when the value is a list of {Unused,BinBits}, where -%% Unused = integer(), -%% BinBits = binary(). - -encode_bit_string(C, Bits, NamedBitList) when is_bitstring(Bits) -> - PadLen = (8 - (bit_size(Bits) band 7)) band 7, - Compact = {PadLen,<<Bits/bitstring,0:PadLen>>}, - encode_bin_bit_string(C, Compact, NamedBitList); -encode_bit_string(C, {Unused,BinBits}=Bin, NamedBitList) - when is_integer(Unused), is_binary(BinBits) -> - encode_bin_bit_string(C,Bin,NamedBitList); - -%% when the value is a list of named bits - -encode_bit_string(C, LoNB=[FirstVal | _RestVal], NamedBitList) when is_atom(FirstVal) -> - ToSetPos = get_all_bitposes(LoNB, NamedBitList, []), - BitList = make_and_set_list(ToSetPos,0), - encode_bit_string(C,BitList,NamedBitList);% consider the constraint - -encode_bit_string(C, BL=[{bit,_} | _RestVal], NamedBitList) -> - ToSetPos = get_all_bitposes(BL, NamedBitList, []), - BitList = make_and_set_list(ToSetPos,0), - encode_bit_string(C,BitList,NamedBitList); - -%% when the value is a list of ones and zeroes -encode_bit_string(Int, BitListValue, _) - when is_list(BitListValue),is_integer(Int),Int =< 16 -> - %% The type is constrained by a single value size constraint - %% range_check(Int,length(BitListValue)), - [40,Int,length(BitListValue),BitListValue]; -encode_bit_string(Int, BitListValue, _) - when is_list(BitListValue),is_integer(Int), Int =< 255 -> - %% The type is constrained by a single value size constraint - %% range_check(Int,length(BitListValue)), - [2,40,Int,length(BitListValue),BitListValue]; -encode_bit_string(Int, BitListValue, _) - when is_list(BitListValue),is_integer(Int), Int < ?'64K' -> - {Code,DesiredLength,Length} = - case length(BitListValue) of - B1 when B1 > Int -> - exit({error,{'BIT_STRING_length_greater_than_SIZE', - Int,BitListValue}}); - B1 when B1 =< 255,Int =< 255 -> - {40,Int,B1}; - B1 when B1 =< 255 -> - {42,<<Int:16>>,B1}; - B1 -> - {43,<<Int:16>>,<<B1:16>>} - end, - %% The type is constrained by a single value size constraint - [2,Code,DesiredLength,Length,BitListValue]; -encode_bit_string(no, BitListValue,[]) - when is_list(BitListValue) -> - [encode_length(length(BitListValue)), - 2|BitListValue]; -encode_bit_string({{Fix,Fix},Ext}, BitListValue,[]) - when is_integer(Fix), is_list(Ext) -> - case length(BitListValue) of - Len when Len =< Fix -> - [0|encode_bit_string(Fix, BitListValue, [])]; - _ -> - [1|encode_bit_string(no, BitListValue, [])] - end; -encode_bit_string(C, BitListValue,[]) - when is_list(BitListValue) -> - [encode_length(C, length(BitListValue)), - 2|BitListValue]; -encode_bit_string(no, BitListValue,_NamedBitList) - when is_list(BitListValue) -> - %% this case with an unconstrained BIT STRING can be made more efficient - %% if the complete driver can take a special code so the length field - %% is encoded there. - NewBitLVal = lists:reverse(lists:dropwhile(fun(0)->true;(1)->false end, - lists:reverse(BitListValue))), - [encode_length(length(NewBitLVal)),2|NewBitLVal]; -encode_bit_string({{Fix,Fix},Ext}, BitListValue, NamedBitList) - when is_integer(Fix), is_list(Ext) -> - case length(BitListValue) of - Len when Len =< Fix -> - [0|encode_bit_string(Fix, BitListValue, NamedBitList)]; - _ -> - [1|encode_bit_string(no, BitListValue, NamedBitList)] - end; -encode_bit_string(C, BitListValue, _NamedBitList) - when is_list(BitListValue) -> % C = {_,'MAX'} - NewBitLVal = bit_string_trailing_zeros(BitListValue, C), - [encode_length(C, length(NewBitLVal)),2|NewBitLVal]; - - -%% when the value is an integer -encode_bit_string(C, IntegerVal, NamedBitList) when is_integer(IntegerVal)-> - BitList = int_to_bitlist(IntegerVal), - encode_bit_string(C,BitList,NamedBitList). - -bit_string_trailing_zeros(BitList,C) when is_integer(C) -> - bit_string_trailing_zeros1(BitList,C,C); -bit_string_trailing_zeros(BitList,{Lb,Ub}) when is_integer(Lb) -> - bit_string_trailing_zeros1(BitList,Lb,Ub); -bit_string_trailing_zeros(BitList,{{Lb,Ub},_}) when is_integer(Lb) -> - bit_string_trailing_zeros1(BitList,Lb,Ub); -bit_string_trailing_zeros(BitList,_) -> - BitList. - -bit_string_trailing_zeros1(BitList,Lb,Ub) -> - case length(BitList) of - Lb -> BitList; - B when B < Lb -> BitList++lists:duplicate(Lb-B, 0); - D -> F = fun(L,LB,LB,_,_)->lists:reverse(L); - ([0|R],L1,LB,UB,Fun)->Fun(R,L1-1,LB,UB,Fun); - (L,L1,_,UB,_)when L1 =< UB -> lists:reverse(L); - (_,_L1,_,_,_) ->exit({error,{list_length_BIT_STRING, - BitList}}) end, - F(lists:reverse(BitList),D,Lb,Ub,F) - end. - -%% encode_bin_bit_string/3, when value is a tuple of Unused and BinBits. -%% Unused = integer(),i.e. number unused bits in least sign. byte of -%% BinBits = binary(). -encode_bin_bit_string(C, {Unused,BinBits}, _NamedBitList) - when is_integer(C),C=<16 -> - range_check(C, bit_size(BinBits) - Unused), - [45,C,byte_size(BinBits),BinBits]; -encode_bin_bit_string(C, {Unused,BinBits}, _NamedBitList) - when is_integer(C), C =< 255 -> - range_check(C, bit_size(BinBits) - Unused), - [2,45,C,byte_size(BinBits),BinBits]; -encode_bin_bit_string(C, {Unused,BinBits}, _NamedBitList) - when is_integer(C), C =< 65535 -> - range_check(C, bit_size(BinBits) - Unused), - case byte_size(BinBits) of - Size when Size =< 255 -> - [2,46,<<C:16>>,Size,BinBits]; - Size -> - [2,47,<<C:16>>,<<Size:16>>,BinBits] - end; -encode_bin_bit_string(C,UnusedAndBin={_,_},NamedBitList) -> - {Unused1,Bin1} = - %% removes all trailing bits if NamedBitList is not empty - remove_trailing_bin(NamedBitList,UnusedAndBin), - case C of - {Lb,Ub} when is_integer(Lb),is_integer(Ub) -> - Size = byte_size(Bin1), - [encode_length({Lb,Ub}, Size*8 - Unused1), - 2,octets_unused_to_complete(Unused1,Size,Bin1)]; - no -> - Size = byte_size(Bin1), - [encode_length(Size*8 - Unused1), - 2|octets_unused_to_complete(Unused1, Size, Bin1)]; - {{Fix,Fix},Ext} when is_integer(Fix),is_list(Ext) -> - case byte_size(Bin1)*8 - Unused1 of - Size when Size =< Fix -> - [0|encode_bin_bit_string(Fix,UnusedAndBin,NamedBitList)]; - _Size -> - [1|encode_bin_bit_string(no,UnusedAndBin,NamedBitList)] - end; - Sc -> - Size = byte_size(Bin1), - [encode_length(Sc, Size*8 - Unused1), - 2|octets_unused_to_complete(Unused1,Size,Bin1)] - end. - -range_check(C,C) when is_integer(C) -> - ok; -range_check(C1,C2) when is_integer(C1) -> - exit({error,{asn1,{bit_string_out_of_range,{C1,C2}}}}). - -remove_trailing_bin([], {Unused,Bin}) -> - {Unused,Bin}; -remove_trailing_bin(_NamedNumberList,{_Unused,<<>>}) -> - {0,<<>>}; -remove_trailing_bin(NamedNumberList, {_Unused,Bin}) -> - Size = byte_size(Bin)-1, - <<Bfront:Size/binary, LastByte:8>> = Bin, - %% clear the Unused bits to be sure - Unused1 = trailingZeroesInNibble(LastByte band 15), - Unused2 = - case Unused1 of - 4 -> - 4 + trailingZeroesInNibble(LastByte bsr 4); - _ -> Unused1 - end, - case Unused2 of - 8 -> - remove_trailing_bin(NamedNumberList,{0,Bfront}); - _ -> - {Unused2,Bin} - end. - - -trailingZeroesInNibble(0) -> - 4; -trailingZeroesInNibble(1) -> - 0; -trailingZeroesInNibble(2) -> - 1; -trailingZeroesInNibble(3) -> - 0; -trailingZeroesInNibble(4) -> - 2; -trailingZeroesInNibble(5) -> - 0; -trailingZeroesInNibble(6) -> - 1; -trailingZeroesInNibble(7) -> - 0; -trailingZeroesInNibble(8) -> - 3; -trailingZeroesInNibble(9) -> - 0; -trailingZeroesInNibble(10) -> - 1; -trailingZeroesInNibble(11) -> - 0; -trailingZeroesInNibble(12) -> %#1100 - 2; -trailingZeroesInNibble(13) -> - 0; -trailingZeroesInNibble(14) -> - 1; -trailingZeroesInNibble(15) -> - 0. - - -%%%%%%%%%%%%%%% -%% - -int_to_bitlist(Int) when is_integer(Int), Int > 0 -> - [Int band 1 | int_to_bitlist(Int bsr 1)]; -int_to_bitlist(0) -> - []. - - -%%%%%%%%%%%%%%%%%% -%% get_all_bitposes([list of named bits to set], named_bit_db, []) -> -%% [sorted_list_of_bitpositions_to_set] - -get_all_bitposes([{bit,ValPos}|Rest], NamedBitList, Ack) -> - get_all_bitposes(Rest, NamedBitList, [ValPos | Ack ]); - -get_all_bitposes([Val | Rest], NamedBitList, Ack) -> - case lists:keyfind(Val, 1, NamedBitList) of - {_ValName, ValPos} -> - get_all_bitposes(Rest, NamedBitList, [ValPos | Ack]); - false -> - exit({error,{asn1, {bitstring_namedbit, Val}}}) - end; -get_all_bitposes([], _NamedBitList, Ack) -> - lists:sort(Ack). - -%%%%%%%%%%%%%%%%%% -%% make_and_set_list([list of positions to set to 1])-> -%% returns list with all in SetPos set. -%% in positioning in list the first element is 0, the second 1 etc.., but -%% - -make_and_set_list([XPos|SetPos], XPos) -> - [1 | make_and_set_list(SetPos, XPos + 1)]; -make_and_set_list([Pos|SetPos], XPos) -> - [0 | make_and_set_list([Pos | SetPos], XPos + 1)]; -make_and_set_list([], _) -> - []. - - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% X.691:16 -%% encode_octet_string(Constraint, Val) -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -encode_octet_string({{Sv,Sv},Ext}=SZ, Val) when is_list(Ext), Sv =< 2 -> - Len = length(Val), - try - case encode_length(SZ, Len) of - [0|_]=EncLen -> - [EncLen,45,Sv*8,Sv,Val]; - [_|_]=EncLen -> - [EncLen|octets_to_complete(Len, Val)] - end - catch - exit:{error,{asn1,{encode_length,_}}} -> - encode_fragmented_octet_string(Val) - end; -encode_octet_string({_,_}=SZ, Val) -> - Len = length(Val), - try - [encode_length(SZ, Len),2|octets_to_complete(Len, Val)] - catch - exit:{error,{asn1,{encode_length,_}}} -> - encode_fragmented_octet_string(Val) - end; -encode_octet_string(Sv, Val) when is_integer(Sv) -> - encode_fragmented_octet_string(Val); -encode_octet_string(no, Val) -> - Len = length(Val), - try - [encode_length(Len),2|octets_to_complete(Len, Val)] - catch - exit:{error,{asn1,{encode_length,_}}} -> - encode_fragmented_octet_string(Val) - end. - -encode_fragmented_octet_string(Val) -> - Bin = iolist_to_binary(Val), - efos_1(Bin). - -efos_1(<<B1:16#C000/binary,B2:16#4000/binary,T/binary>>) -> - [20,1,<<3:2,4:6>>, - octets_to_complete(16#C000, B1), - octets_to_complete(16#4000, B2)|efos_1(T)]; -efos_1(<<B:16#C000/binary,T/binary>>) -> - [20,1,<<3:2,3:6>>,octets_to_complete(16#C000, B)|efos_1(T)]; -efos_1(<<B:16#8000/binary,T/binary>>) -> - [20,1,<<3:2,2:6>>,octets_to_complete(16#8000, B)|efos_1(T)]; -efos_1(<<B:16#4000/binary,T/binary>>) -> - [20,1,<<3:2,1:6>>,octets_to_complete(16#4000, B)|efos_1(T)]; -efos_1(<<>>) -> - [20,1,0]; -efos_1(<<B/bitstring>>) -> - Len = byte_size(B), - [encode_length(Len)|octets_to_complete(Len, B)]. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% Restricted char string types -%% (NumericString, PrintableString,VisibleString,IA5String,BMPString,UniversalString) -%% X.691:26 and X.680:34-36 - -encode_restricted_string(Val) when is_list(Val)-> - Len = length(Val), - [encode_length(Len)|octets_to_complete(Len, Val)]. - -encode_known_multiplier_string(SizeC, NumBits, CharOutTab, Val) -> - Result = chars_encode2(Val, NumBits, CharOutTab), - case SizeC of - Ub when is_integer(Ub), Ub*NumBits < 16 -> - Result; - Ub when is_integer(Ub) -> - [2,Result]; - {{_,Ub},Ext}=SZ when is_list(Ext) -> - Len = length(Val), - case encode_length(SZ, Len) of - [0|_]=EncLen when Ub*NumBits < 16 -> - [EncLen,45,Len*NumBits,Len,Val]; - [_|_]=EncLen -> - [EncLen,2|Result] - end; - {_,Ub}=Range -> - [encode_length(Range, length(Val))| - if - Ub*NumBits < 16 -> Result; - true -> [2|Result] - end]; - no -> - [encode_length(length(Val)),2,Result] - end. - -encode_GeneralString(_C,Val) -> - encode_restricted_string(Val). - -encode_GraphicString(_C,Val) -> - encode_restricted_string(Val). - -encode_ObjectDescriptor(_C,Val) -> - encode_restricted_string(Val). - -encode_TeletexString(_C,Val) -> % equivalent with T61String - encode_restricted_string(Val). - -encode_VideotexString(_C,Val) -> - encode_restricted_string(Val). - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% chars_encode(C,StringType,Value) -> ValueList -%% -%% encodes chars according to the per rules taking the constraint -%% PermittedAlphabet into account. -%% -%% This function only encodes the value part and NOT the length. - -chars_encode2([H|T],NumBits,T1={Min,Max,notab}) when H =< Max, H >= Min -> - [pre_complete_bits(NumBits,H-Min)|chars_encode2(T,NumBits,T1)]; -chars_encode2([H|T],NumBits,T1={Min,Max,Tab}) when H =< Max, H >= Min -> - [pre_complete_bits(NumBits,exit_if_false(H,element(H-Min+1,Tab)))| - chars_encode2(T,NumBits,T1)]; -chars_encode2([{A,B,C,D}|T],NumBits,T1={Min,_Max,notab}) -> - %% no value range check here (ought to be, but very expensive) - [pre_complete_bits(NumBits, - ((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min)| - chars_encode2(T,NumBits,T1)]; -chars_encode2([H={A,B,C,D}|T],NumBits,{Min,Max,Tab}) -> - %% no value range check here (ought to be, but very expensive) - [pre_complete_bits(NumBits,exit_if_false(H,element(((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min,Tab)))|chars_encode2(T,NumBits,{Min,Max,notab})]; -chars_encode2([H|_T],_NumBits,{_Min,_Max,_Tab}) -> - exit({error,{asn1,{illegal_char_value,H}}}); -chars_encode2([],_,_) -> - []. - -exit_if_false(V,false)-> - exit({error,{asn1,{"illegal value according to Permitted alphabet constraint",V}}}); -exit_if_false(_,V) ->V. - -pre_complete_bits(NumBits,Val) when NumBits =< 8 -> - [10,NumBits,Val]; -pre_complete_bits(NumBits,Val) when NumBits =< 16 -> - [10,NumBits-8,Val bsr 8,10,8,(Val band 255)]; -pre_complete_bits(NumBits,Val) when NumBits =< 2040 -> % 255 * 8 - Unused = (8 - (NumBits rem 8)) rem 8, - Len = NumBits + Unused, - [30,Unused,Len div 8,<<(Val bsl Unused):Len>>]. - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_UTF8String(Val) -> CompleteList -%% Val -> <<utf8encoded binary>> -%% CompleteList -> [apropriate codes and values for driver complete] -%% -encode_UTF8String(Val) when is_binary(Val) -> - Sz = byte_size(Val), - [encode_length(Sz),octets_to_complete(Sz, Val)]; -encode_UTF8String(Val) -> - encode_UTF8String(list_to_binary(Val)). - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_object_identifier(Val) -> CompleteList -%% encode_object_identifier({Name,Val}) -> CompleteList -%% Val -> {Int1,Int2,...,IntN} % N >= 2 -%% Name -> atom() -%% Int1 -> integer(0..2) -%% Int2 -> integer(0..39) when Int1 (0..1) else integer() -%% Int3-N -> integer() -%% CompleteList -> [{bits,8,Val}|{octets,Ol}|align|...] -%% -encode_object_identifier(Val) -> - OctetList = e_object_identifier(Val), - Octets = list_to_binary(OctetList), - Sz = byte_size(Octets), - [encode_length(Sz), - octets_to_complete(Sz, Octets)]. - -e_object_identifier({'OBJECT IDENTIFIER',V}) -> - e_object_identifier(V); -e_object_identifier(V) when is_tuple(V) -> - e_object_identifier(tuple_to_list(V)); - -%% E1 = 0|1|2 and (E2 < 40 when E1 = 0|1) -e_object_identifier([E1,E2|Tail]) when E1 >= 0, E1 < 2, E2 < 40 ; E1==2 -> - Head = 40*E1 + E2, % weird - e_object_elements([Head|Tail],[]); -e_object_identifier(Oid=[_,_|_Tail]) -> - exit({error,{asn1,{'illegal_value',Oid}}}). - -e_object_elements([],Acc) -> - lists:reverse(Acc); -e_object_elements([H|T],Acc) -> - e_object_elements(T,[e_object_element(H)|Acc]). - -e_object_element(Num) when Num < 128 -> - [Num]; -e_object_element(Num) -> - [e_o_e(Num bsr 7)|[Num band 2#1111111]]. -e_o_e(Num) when Num < 128 -> - Num bor 2#10000000; -e_o_e(Num) -> - [e_o_e(Num bsr 7)|[(Num band 2#1111111) bor 2#10000000]]. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_relative_oid(Val) -> CompleteList -%% encode_relative_oid({Name,Val}) -> CompleteList -encode_relative_oid(Val) when is_tuple(Val) -> - encode_relative_oid(tuple_to_list(Val)); -encode_relative_oid(Val) when is_list(Val) -> - Octets = list_to_binary([e_object_element(X)||X <- Val]), - Sz = byte_size(Octets), - [encode_length(Sz)|octets_to_complete(Sz, Octets)]. - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% complete(InList) -> ByteList %% Takes a coded list with bits and bytes and converts it to a list of bytes %% Should be applied as the last step at encode of a complete ASN.1 type %% -complete(L) -> - case asn1rt_nif:encode_per_complete(L) of +complete(L0) -> + L = complete(L0, []), + case list_to_bitstring(L) of <<>> -> <<0>>; Bin -> Bin end. -octets_to_complete(Len,Val) when Len < 256 -> - [20,Len,Val]; -octets_to_complete(Len,Val) -> - [21,<<Len:16>>,Val]. - -octets_unused_to_complete(Unused,Len,Val) when Len < 256 -> - [30,Unused,Len,Val]; -octets_unused_to_complete(Unused,Len,Val) -> - [31,Unused,<<Len:16>>,Val]. +complete([], []) -> + []; +complete([], [H|More]) -> + complete(H, More); +complete([align|T], More) -> + complete(T, More); +complete([[]|T], More) -> + complete(T, More); +complete([[_|_]=H], More) -> + complete(H, More); +complete([[_|_]=H|T], More) -> + complete(H, [T|More]); +complete([H|T], More) when is_integer(H); is_binary(H) -> + [H|complete(T, More)]; +complete([H|T], More) -> + [H|complete(T, bit_size(H), More)]; +complete(Bin, More) when is_binary(Bin) -> + [Bin|complete([], More)]; +complete(Bin, More) -> + [Bin|complete([], bit_size(Bin), More)]. + +complete([], Bits, []) -> + case Bits band 7 of + 0 -> []; + N -> [<<0:(8-N)>>] + end; +complete([], Bits, [H|More]) -> + complete(H, Bits, More); +complete([align|T], Bits, More) -> + case Bits band 7 of + 0 -> complete(T, More); + 1 -> [<<0:7>>|complete(T, More)]; + 2 -> [<<0:6>>|complete(T, More)]; + 3 -> [<<0:5>>|complete(T, More)]; + 4 -> [<<0:4>>|complete(T, More)]; + 5 -> [<<0:3>>|complete(T, More)]; + 6 -> [<<0:2>>|complete(T, More)]; + 7 -> [<<0:1>>|complete(T, More)] + end; +complete([[]|T], Bits, More) -> + complete(T, Bits, More); +complete([[_|_]=H], Bits, More) -> + complete(H, Bits, More); +complete([[_|_]=H|T], Bits, More) -> + complete(H, Bits, [T|More]); +complete([H|T], Bits, More) when is_integer(H); + is_binary(H) -> + [H|complete(T, Bits, More)]; +complete([H|T], Bits, More) -> + [H|complete(T, Bits+bit_size(H), More)]; +complete(Bin, Bits, More) when is_binary(Bin) -> + [Bin|complete([], Bits, More)]; +complete(Bin, Bits, More) -> + [Bin|complete([], Bits+bit_size(Bin), More)]. diff --git a/lib/asn1/src/asn1rtt_per_common.erl b/lib/asn1/src/asn1rtt_per_common.erl index e7edc2b65f..3896cb7fa5 100644 --- a/lib/asn1/src/asn1rtt_per_common.erl +++ b/lib/asn1/src/asn1rtt_per_common.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -28,7 +29,20 @@ decode_chars/2,decode_chars/3, decode_chars_16bit/1, decode_big_chars/2, - decode_oid/1,decode_relative_oid/1]). + decode_oid/1,decode_relative_oid/1, + encode_chars/2,encode_chars/3, + encode_chars_compact_map/3, + encode_chars_16bit/1,encode_big_chars/1, + encode_fragmented/2, + encode_oid/1,encode_relative_oid/1, + encode_unconstrained_number/1, + bitstring_from_positions/1,bitstring_from_positions/2, + to_bitstring/1,to_bitstring/2, + to_named_bitstring/1,to_named_bitstring/2, + bs_drop_trailing_zeroes/1,adjust_trailing_zeroes/2, + is_default_bitstring/3,is_default_bitstring/5, + extension_bitmap/3, + open_type_to_binary/1,legacy_open_type_to_binary/1]). -define('16K',16384). @@ -90,6 +104,244 @@ decode_oid(Octets) -> decode_relative_oid(Octets) -> list_to_tuple(dec_subidentifiers(Octets, 0, [])). +encode_chars(Val, NumBits) -> + << <<C:NumBits>> || C <- Val >>. + +encode_chars(Val, NumBits, {Lb,Tab}) -> + << <<(enc_char(C, Lb, Tab)):NumBits>> || C <- Val >>. + +encode_chars_compact_map(Val, NumBits, {Lb,Limit}) -> + << <<(enc_char_cm(C, Lb, Limit)):NumBits>> || C <- Val >>. + +encode_chars_16bit(Val) -> + L = [case C of + {0,0,A,B} -> [A,B]; + C when is_integer(C) -> [0,C] + end || C <- Val], + iolist_to_binary(L). + +encode_big_chars(Val) -> + L = [case C of + {_,_,_,_} -> tuple_to_list(C); + C when is_integer(C) -> [<<0,0,0>>,C] + end || C <- Val], + iolist_to_binary(L). + +encode_fragmented(Bin, Unit) -> + encode_fragmented_1(Bin, Unit, 4). + +encode_oid(Val) when is_tuple(Val) -> + encode_oid(tuple_to_list(Val)); +encode_oid(Val) -> + iolist_to_binary(e_object_identifier(Val)). + +encode_relative_oid(Val) when is_tuple(Val) -> + encode_relative_oid(tuple_to_list(Val)); +encode_relative_oid(Val) when is_list(Val) -> + list_to_binary([e_object_element(X)||X <- Val]). + +encode_unconstrained_number(Val) when Val >= 0 -> + if + Val < 16#80 -> + [1,Val]; + Val < 16#100 -> + [<<2,0>>,Val]; + true -> + case binary:encode_unsigned(Val) of + <<0:1,_/bitstring>>=Bin -> + case byte_size(Bin) of + Sz when Sz < 128 -> + [Sz,Bin]; + Sz when Sz < 16384 -> + [<<2:2,Sz:14>>,Bin] + end; + <<1:1,_/bitstring>>=Bin -> + case byte_size(Bin)+1 of + Sz when Sz < 128 -> + [Sz,0,Bin]; + Sz when Sz < 16384 -> + [<<2:2,Sz:14,0:8>>,Bin] + end + end + end; +encode_unconstrained_number(Val) -> + Oct = enint(Val, []), + Len = length(Oct), + if + Len < 128 -> + [Len|Oct]; + Len < 16384 -> + [<<2:2,Len:14>>|Oct] + end. + +%% bitstring_from_positions([Position]) -> BitString +%% Given an unsorted list of bit positions (0..MAX), construct +%% a BIT STRING. The rightmost bit will always be a one. + +bitstring_from_positions([]) -> <<>>; +bitstring_from_positions([_|_]=L0) -> + L1 = lists:sort(L0), + L = diff(L1, -1), + << <<1:(N+0)>> || N <- L >>. + +%% bitstring_from_positions([Position], Lb) -> BitString +%% Given an unsorted list of bit positions (0..MAX) and a lower bound +%% for the number of bits, construct BIT STRING (zero-padded on the +%% right side if needed). + +bitstring_from_positions(L0, Lb) -> + L1 = lists:sort(L0), + L = diff(L1, -1, Lb-1), + << <<B:(N+0)>> || {B,N} <- L >>. + +%% to_bitstring(Val) -> BitString +%% Val = BitString | {Unused,Binary} | [OneOrZero] | Integer +%% Given one of the possible representations for a BIT STRING, +%% return a bitstring (without adding or removing any zero bits +%% at the right end). + +to_bitstring({0,Bs}) when is_binary(Bs) -> + Bs; +to_bitstring({Unused,Bs0}) when is_binary(Bs0) -> + Sz = bit_size(Bs0) - Unused, + <<Bs:Sz/bits,_/bits>> = Bs0, + Bs; +to_bitstring(Bs) when is_bitstring(Bs) -> + Bs; +to_bitstring(Int) when is_integer(Int), Int >= 0 -> + L = int_to_bitlist(Int), + << <<B:1>> || B <- L >>; +to_bitstring(L) when is_list(L) -> + << <<B:1>> || B <- L >>. + +%% to_bitstring(Val, Lb) -> BitString +%% Val = BitString | {Unused,Binary} | [OneOrZero] | Integer +%% Lb = Integer +%% Given one of the possible representations for a BIT STRING +%% and the lower bound for the number of bits, +%% return a bitstring at least Lb bits long (padded with zeroes +%% if needed). + +to_bitstring({0,Bs}, Lb) when is_binary(Bs) -> + case bit_size(Bs) of + Sz when Sz < Lb -> + <<Bs/bits,0:(Lb-Sz)>>; + _ -> + Bs + end; +to_bitstring({Unused,Bs0}, Lb) when is_binary(Bs0) -> + Sz = bit_size(Bs0) - Unused, + if + Sz < Lb -> + <<Bs0:Sz/bits,0:(Lb-Sz)>>; + true -> + <<Bs:Sz/bits,_/bits>> = Bs0, + Bs + end; +to_bitstring(Bs, Lb) when is_bitstring(Bs) -> + adjust_size(Bs, Lb); +to_bitstring(Int, Lb) when is_integer(Int), Int >= 0 -> + L = int_to_bitlist(Int), + Bs = << <<B:1>> || B <- L >>, + adjust_size(Bs, Lb); +to_bitstring(L, Lb) when is_list(L) -> + Bs = << <<B:1>> || B <- L >>, + adjust_size(Bs, Lb). + +%% to_named_bitstring(Val) -> BitString +%% Val = BitString | {Unused,Binary} | [OneOrZero] | Integer +%% Given one of the possible representations for a BIT STRING, +%% return a bitstring where any trailing zeroes have been stripped. + +to_named_bitstring(Val) -> + Bs = to_bitstring(Val), + bs_drop_trailing_zeroes(Bs). + +%% to_named_bitstring(Val, Lb) -> BitString +%% Val = BitString | {Unused,Binary} | [OneOrZero] | Integer +%% Lb = Integer +%% Given one of the possible representations for a BIT STRING +%% and the lower bound for the number of bits, +%% return a bitstring that is at least Lb bits long. There will +%% be zeroes at the right only if needed to reach the lower bound +%% for the number of bits. + +to_named_bitstring({0,Bs}, Lb) when is_binary(Bs) -> + adjust_trailing_zeroes(Bs, Lb); +to_named_bitstring({Unused,Bs0}, Lb) when is_binary(Bs0) -> + Sz = bit_size(Bs0) - Unused, + <<Bs:Sz/bits,_/bits>> = Bs0, + adjust_trailing_zeroes(Bs, Lb); +to_named_bitstring(Bs, Lb) when is_bitstring(Bs) -> + adjust_trailing_zeroes(Bs, Lb); +to_named_bitstring(Val, Lb) -> + %% Obsolete representations: list or integer. Optimize + %% for correctness, not speed. + adjust_trailing_zeroes(to_bitstring(Val), Lb). + +is_default_bitstring(asn1_DEFAULT, _, _) -> + true; +is_default_bitstring(Named, Named, _) -> + true; +is_default_bitstring(Bs, _, Bs) -> + true; +is_default_bitstring(Val, _, Def) when is_bitstring(Val) -> + Sz = bit_size(Def), + case Val of + <<Def:Sz/bitstring,T/bitstring>> -> + NumZeroes = bit_size(T), + case T of + <<0:NumZeroes>> -> true; + _ -> false + end; + _ -> + false + end. + +is_default_bitstring(asn1_DEFAULT, _, _, _, _) -> + true; +is_default_bitstring({Unused,Bin}, V0, V1, V2, V3) when is_integer(Unused) -> + %% Convert compact bitstring to a bitstring. + Sz = bit_size(Bin) - Unused, + <<Bs:Sz/bitstring,_:Unused>> = Bin, + is_default_bitstring(Bs, V0, V1, V2, V3); +is_default_bitstring(Named, Named, _, _, _) -> + true; +is_default_bitstring(Bs, _, Bs, _, _) -> + true; +is_default_bitstring(List, _, _, List, _) -> + true; +is_default_bitstring(Int, _, _, _, Int) -> + true; +is_default_bitstring(Val, _, Def, _, _) when is_bitstring(Val) -> + Sz = bit_size(Def), + case Val of + <<Def:Sz/bitstring,T/bitstring>> -> + NumZeroes = bit_size(T), + case T of + <<0:NumZeroes>> -> true; + _ -> false + end; + _ -> + false + end; +is_default_bitstring(Val, _, _, List, _) when is_list(Val) -> + is_default_bitstring_list(List, Val); +is_default_bitstring(_, _, _, _, _) -> false. + +extension_bitmap(Val, Pos, Limit) -> + extension_bitmap(Val, Pos, Limit, 0). + +open_type_to_binary({asn1_OPENTYPE,Bin}) when is_binary(Bin) -> + Bin. + +legacy_open_type_to_binary({asn1_OPENTYPE,Bin}) when is_binary(Bin) -> + Bin; +legacy_open_type_to_binary(Bin) when is_binary(Bin) -> + Bin; +legacy_open_type_to_binary(List) when is_list(List) -> + List. + %%% %%% Internal functions. %%% @@ -124,3 +376,170 @@ dec_subidentifiers([H|T], Av, Al) -> dec_subidentifiers(T, 0, [(Av bsl 7) bor H|Al]); dec_subidentifiers([], _Av, Al) -> lists:reverse(Al). + +enc_char(C0, Lb, Tab) -> + try element(C0-Lb, Tab) of + ill -> + illegal_char_error(); + C -> + C + catch + error:badarg -> + illegal_char_error() + end. + +enc_char_cm(C0, Lb, Limit) -> + C = C0 - Lb, + if + 0 =< C, C < Limit -> + C; + true -> + illegal_char_error() + end. + +illegal_char_error() -> + error({error,{asn1,"value forbidden by FROM constraint"}}). + +encode_fragmented_1(Bin, Unit, N) -> + SegSz = Unit * N * ?'16K', + case Bin of + <<B:SegSz/bitstring,T/bitstring>> -> + [<<3:2,N:6>>,B|encode_fragmented_1(T, Unit, N)]; + _ when N > 1 -> + encode_fragmented_1(Bin, Unit, N-1); + _ -> + case bit_size(Bin) div Unit of + Len when Len < 128 -> + [Len,Bin]; + Len when Len < 16384 -> + [<<2:2,Len:14>>,Bin] + end + end. + +%% E1 = 0|1|2 and (E2 < 40 when E1 = 0|1) +e_object_identifier([E1,E2|Tail]) when E1 >= 0, E1 < 2, E2 < 40; E1 =:= 2 -> + Head = 40*E1 + E2, + e_object_elements([Head|Tail], []); +e_object_identifier([_,_|_Tail]=Oid) -> + exit({error,{asn1,{'illegal_value',Oid}}}). + +e_object_elements([], Acc) -> + lists:reverse(Acc); +e_object_elements([H|T], Acc) -> + e_object_elements(T, [e_object_element(H)|Acc]). + +e_object_element(Num) when Num < 128 -> + [Num]; +e_object_element(Num) -> + [e_o_e(Num bsr 7)|[Num band 2#1111111]]. + +e_o_e(Num) when Num < 128 -> + Num bor 2#10000000; +e_o_e(Num) -> + [e_o_e(Num bsr 7)|[(Num band 2#1111111) bor 2#10000000]]. + +enint(-1, [B1|T]) when B1 > 127 -> + [B1|T]; +enint(N, Acc) -> + enint(N bsr 8, [N band 16#ff|Acc]). + +diff([H|T], Prev) -> + [H-Prev|diff(T, H)]; +diff([], _) -> []. + +diff([H|T], Prev, Last) -> + [{1,H-Prev}|diff(T, H, Last)]; +diff([], Prev, Last) when Last >= Prev -> + [{0,Last-Prev}]; +diff([], _, _) -> []. + +int_to_bitlist(0) -> []; +int_to_bitlist(Int) -> [Int band 1|int_to_bitlist(Int bsr 1)]. + +adjust_size(Bs, Lb) -> + case bit_size(Bs) of + Sz when Sz < Lb -> + <<Bs:Sz/bits,0:(Lb-Sz)>>; + _ -> + Bs + end. + +adjust_trailing_zeroes(Bs0, Lb) -> + case bit_size(Bs0) of + Sz when Sz < Lb -> + %% Too short - pad with zeroes. + <<Bs0:Sz/bits,0:(Lb-Sz)>>; + Lb -> + %% Exactly the right size - nothing to do. + Bs0; + _ -> + %% Longer than the lower bound - drop trailing zeroes. + <<_:Lb/bits,Tail/bits>> = Bs0, + Sz = Lb + bit_size(bs_drop_trailing_zeroes(Tail)), + <<Bs:Sz/bits,_/bits>> = Bs0, + Bs + end. + +bs_drop_trailing_zeroes(Bs) -> + bs_drop_trailing_zeroes(Bs, bit_size(Bs)). + +bs_drop_trailing_zeroes(Bs, 0) -> + Bs; +bs_drop_trailing_zeroes(Bs0, Sz0) when Sz0 < 8 -> + <<Byte:Sz0>> = Bs0, + Sz = Sz0 - ntz(Byte), + <<Bs:Sz/bits,_/bits>> = Bs0, + Bs; +bs_drop_trailing_zeroes(Bs0, Sz0) -> + Sz1 = Sz0 - 8, + <<Bs1:Sz1/bits,Byte:8>> = Bs0, + case ntz(Byte) of + 8 -> + bs_drop_trailing_zeroes(Bs1, Sz1); + Ntz -> + Sz = Sz0 - Ntz, + <<Bs:Sz/bits,_:Ntz/bits>> = Bs0, + Bs + end. + +%% ntz(Byte) -> Number of trailing zeroes. +ntz(Byte) -> + %% The table was calculated like this: + %% NTZ = fun (B, N, NTZ) when B band 1 =:= 0 -> NTZ(B bsr 1, N+1, NTZ); (_, N, _) -> N end. + %% io:format("~w\n", [list_to_tuple([NTZ(B+256, 0, NTZ) || B <- lists:seq(0, 255)])]). + T = {8,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 7,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, + 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0}, + element(Byte+1, T). + +is_default_bitstring_list([H|Def], [H|Val]) -> + is_default_bitstring_list(Def, Val); +is_default_bitstring_list([], []) -> + true; +is_default_bitstring_list([], [_|_]=Val) -> + lists:all(fun(0) -> true; + (_) -> false + end, Val); +is_default_bitstring_list(_, _) -> false. + +extension_bitmap(_Val, Pos, Limit, Acc) when Pos >= Limit -> + Acc; +extension_bitmap(Val, Pos, Limit, Acc) -> + Bit = case element(Pos, Val) of + asn1_NOVALUE -> 0; + _ -> 1 + end, + extension_bitmap(Val, Pos+1, Limit, (Acc bsl 1) bor Bit). diff --git a/lib/asn1/src/asn1rtt_real_common.erl b/lib/asn1/src/asn1rtt_real_common.erl index 22a1f4c4dd..3a79209015 100644 --- a/lib/asn1/src/asn1rtt_real_common.erl +++ b/lib/asn1/src/asn1rtt_real_common.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -105,8 +106,7 @@ encode_real(_C, {Mantissa, Base, Exponent}) when Base =:= 2 -> true -> list_to_binary(real_mininum_octets(-(Man))) % signbit keeps track of sign end, %% ok = io:format("LenMask: ~w EOctets: ~w~nFirstOctet: ~w OctMantissa: ~w OctExpLen: ~w~n", [LenMask, EOctets, FirstOctet, OctMantissa, OctExpLen]), - Bin = <<FirstOctet/binary, EOctets/binary, OctMantissa/binary>>, - {Bin, size(Bin)}; + <<FirstOctet/binary, EOctets/binary, OctMantissa/binary>>; encode_real(C, {Mantissa,Base,Exponent}) when Base =:= 10, is_integer(Mantissa), is_integer(Exponent) -> %% always encode as NR3 due to DER on the format @@ -176,8 +176,7 @@ encode_real_as_string(_C, Mantissa, Exponent) end, ManBin = list_to_binary(TruncMant), NR3 = 3, - {<<NR3,ManBin/binary,$.,ExpBin/binary>>, - 2 + byte_size(ManBin) + byte_size(ExpBin)}. + <<NR3,ManBin/binary,$.,ExpBin/binary>>. remove_trailing_zeros(IntStr) -> case lists:dropwhile(fun($0)-> true; diff --git a/lib/asn1/src/asn1rtt_uper.erl b/lib/asn1/src/asn1rtt_uper.erl index a5035c6660..0ab8fab141 100644 --- a/lib/asn1/src/asn1rtt_uper.erl +++ b/lib/asn1/src/asn1rtt_uper.erl @@ -1,113 +1,27 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2013. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% %% -module(asn1rtt_uper). --export([setext/1, fixoptionals/3, - fixextensions/2, - skipextensions/3]). --export([set_choice/3, encode_integer/2, encode_integer/3]). --export([encode_small_number/1, encode_constrained_number/2, - encode_boolean/1, - encode_length/1, encode_length/2, - encode_bit_string/3]). --export([encode_octet_string/1,encode_octet_string/2, - encode_relative_oid/1, - encode_object_identifier/1, - complete/1, complete_NFP/1]). - - -export([encode_open_type/1]). - - -export([encode_UniversalString/3, - encode_PrintableString/3, - encode_GeneralString/2, - encode_GraphicString/2, - encode_TeletexString/2, - encode_VideotexString/2, - encode_VisibleString/3, - encode_UTF8String/1, - encode_BMPString/3, - encode_IA5String/3, - encode_NumericString/3, - encode_ObjectDescriptor/2 - ]). - --define('16K',16384). --define('32K',32768). --define('64K',65536). - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% setext(true|false) -> CompleteList -%% - -setext(false) -> - <<0:1>>; -setext(true) -> - <<1:1>>. - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% This is the new fixoptionals/3 which is used by the new generates -%% -fixoptionals(OptList,OptLength,Val) when is_tuple(Val) -> - Bits = fixoptionals(OptList,Val,0), - {Val,<<Bits:OptLength>>}; - -fixoptionals([],_Val,Acc) -> - %% Optbits - Acc; -fixoptionals([{Pos,DefVal}|Ot],Val,Acc) -> - case element(Pos,Val) of - asn1_DEFAULT -> fixoptionals(Ot,Val,Acc bsl 1); - DefVal -> fixoptionals(Ot,Val,Acc bsl 1); - _ -> fixoptionals(Ot,Val,(Acc bsl 1) + 1) - end; -fixoptionals([Pos|Ot],Val,Acc) -> - case element(Pos,Val) of - asn1_NOVALUE -> fixoptionals(Ot,Val,Acc bsl 1); - asn1_DEFAULT -> fixoptionals(Ot,Val,Acc bsl 1); - _ -> fixoptionals(Ot,Val,(Acc bsl 1) + 1) - end. - - -fixextensions({ext,ExtPos,ExtNum},Val) -> - case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of - 0 -> []; - ExtBits -> - [encode_small_length(ExtNum),<<ExtBits:ExtNum>>] - end. - -fixextensions(Pos,MaxPos,_,Acc) when Pos >= MaxPos -> - Acc; -fixextensions(Pos,ExtPos,Val,Acc) -> - Bit = case catch(element(Pos+1,Val)) of - asn1_NOVALUE -> - 0; - asn1_NOEXTVALUE -> - 0; - {'EXIT',_} -> - 0; - _ -> - 1 - end, - fixextensions(Pos+1,ExtPos,Val,(Acc bsl 1)+Bit). +-export([skipextensions/3]). +-export([complete/1, complete_NFP/1]). skipextensions(Bytes0, Nr, ExtensionBitstr) when is_bitstring(ExtensionBitstr) -> Prev = Nr - 1, @@ -122,249 +36,6 @@ skipextensions(Bytes0, Nr, ExtensionBitstr) when is_bitstring(ExtensionBitstr) - Bytes0 end. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% set_choice(Alt,Choices,Altnum) -> ListofBitSettings -%% Alt = atom() -%% Altnum = integer() | {integer(),integer()}% number of alternatives -%% Choices = [atom()] | {[atom()],[atom()]} -%% When Choices is a tuple the first list is the Rootset and the -%% second is the Extensions and then Altnum must also be a tuple with the -%% lengths of the 2 lists -%% -set_choice(Alt, {L1,L2}, {Len1,_Len2}) -> - case set_choice_tag(Alt, L1) of - N when is_integer(N), Len1 > 1 -> - [<<0:1>>, % the value is in the root set - encode_integer([{'ValueRange',{0,Len1-1}}],N)]; - N when is_integer(N) -> - <<0:1>>; % no encoding if only 0 or 1 alternative - false -> - [<<1:1>>, % extension value - case set_choice_tag(Alt,L2) of - N2 when is_integer(N2) -> - encode_small_number(N2); - false -> - unknown_choice_alt - end] - end; -set_choice(Alt,L,Len) -> - case set_choice_tag(Alt,L) of - N when is_integer(N), Len > 1 -> - encode_integer([{'ValueRange',{0,Len-1}}],N); - N when is_integer(N) -> - []; % no encoding if only 0 or 1 alternative - false -> - [unknown_choice_alt] - end. - -set_choice_tag(Alt,Choices) -> - set_choice_tag(Alt,Choices,0). - -set_choice_tag(Alt,[Alt|_Rest],Tag) -> - Tag; -set_choice_tag(Alt,[_H|Rest],Tag) -> - set_choice_tag(Alt,Rest,Tag+1); -set_choice_tag(_Alt,[],_Tag) -> - false. - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_open_type(Constraint, Value) -> CompleteList -%% Value = list of bytes of an already encoded value (the list must be flat) -%% | binary -%% Contraint = not used in this version -%% -encode_open_type(Val) -> - [encode_length(byte_size(Val)),Val]. - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_integer(Constraint,Value,NamedNumberList) -> CompleteList -%% encode_integer(Constraint,Value) -> CompleteList -%% encode_integer(Constraint,{Name,Value}) -> CompleteList -%% -%% -encode_integer(C, V, NamedNumberList) when is_atom(V) -> - case lists:keyfind(V, 1, NamedNumberList) of - {_,NewV} -> - encode_integer(C, NewV); - false -> - exit({error,{asn1,{namednumber,V}}}) - end; -encode_integer(C, V, _NamedNumberList) when is_integer(V) -> - encode_integer(C, V). - -encode_integer([{Rc,_Ec}],Val) when is_tuple(Rc) -> - try - [<<0:1>>,encode_integer([Rc], Val)] - catch - _:{error,{asn1,_}} -> - [<<1:1>>,encode_unconstrained_number(Val)] - end; -encode_integer(C, Val) when is_list(C) -> - case get_constraint(C, 'SingleValue') of - no -> - encode_integer1(C,Val); - V when is_integer(V), V =:= Val -> - []; % a type restricted to a single value encodes to nothing - V when is_list(V) -> - case lists:member(Val,V) of - true -> - encode_integer1(C,Val); - _ -> - exit({error,{asn1,{illegal_value,Val}}}) - end; - _ -> - exit({error,{asn1,{illegal_value,Val}}}) - end. - -encode_integer1(C, Val) -> - case VR = get_constraint(C, 'ValueRange') of - no -> - encode_unconstrained_number(Val); - {Lb,'MAX'} when Lb =< Val -> - encode_semi_constrained_number(Lb, Val); - %% positive with range - {Lb,Ub} when Val >= Lb, Ub >= Val -> - encode_constrained_number(VR,Val); - _ -> - exit({error,{asn1,{illegal_value,VR,Val}}}) - end. - -%% X.691:10.6 Encoding of a normally small non-negative whole number -%% Use this for encoding of CHOICE index if there is an extension marker in -%% the CHOICE -encode_small_number(Val) when Val < 64 -> - <<Val:7>>; -encode_small_number(Val) -> - [<<1:1>>|encode_semi_constrained_number(0, Val)]. - -%% X.691:10.7 Encoding of a semi-constrained whole number -encode_semi_constrained_number(Lb, Val) -> - %% encoding in minimum number of octets preceeded by a length - Val2 = Val - Lb, - Bin = eint_bin_positive(Val2), - Size = byte_size(Bin), - if - Size < 128 -> - [<<Size>>,Bin]; - Size < 16384 -> - [<<2:2,Size:14>>,Bin]; - true -> - [encode_length(Size),Bin] - end. - -encode_constrained_number({Lb,Ub}, Val) when Val >= Lb, Ub >= Val -> - Range = Ub - Lb + 1, - Val2 = Val - Lb, - NumBits = num_bits(Range), - <<Val2:NumBits>>; -encode_constrained_number(Range,Val) -> - exit({error,{asn1,{integer_range,Range,value,Val}}}). - -%% X.691:10.8 Encoding of an unconstrained whole number - -encode_unconstrained_number(Val) when Val >= 0 -> - Oct = eint_bin_2Cs(Val), - Len = byte_size(Oct), - if - Len < 128 -> - [<<Len>>,Oct]; % equiv with encode_length(undefined,Len) but faster - Len < 16384 -> - [<<2:2,Len:14>>,Oct]; - true -> - [encode_length(Len),<<Len:16>>,Oct] - end; -encode_unconstrained_number(Val) -> % negative - Oct = enint(Val,[]), - Len = byte_size(Oct), - if - Len < 128 -> - [<<Len>>,Oct]; % equiv with encode_length(undefined,Len) but faster - Len < 16384 -> - [<<2:2,Len:14>>,Oct]; - true -> - [encode_length(Len),Oct] - end. - - -eint_bin_2Cs(Int) -> - case eint_bin_positive(Int) of - <<B,_/binary>> = Bin when B > 16#7f -> - <<0,Bin/binary>>; - Bin -> Bin - end. - -%% returns the integer as a binary -eint_bin_positive(Val) when Val < 16#100 -> - <<Val>>; -eint_bin_positive(Val) when Val < 16#10000 -> - <<Val:16>>; -eint_bin_positive(Val) when Val < 16#1000000 -> - <<Val:24>>; -eint_bin_positive(Val) when Val < 16#100000000 -> - <<Val:32>>; -eint_bin_positive(Val) -> - list_to_binary([eint_bin_positive2(Val bsr 32),<<Val:32>>]). - -eint_bin_positive2(Val) when Val < 16#100 -> - <<Val>>; -eint_bin_positive2(Val) when Val < 16#10000 -> - <<Val:16>>; -eint_bin_positive2(Val) when Val < 16#1000000 -> - <<Val:24>>; -eint_bin_positive2(Val) when Val < 16#100000000 -> - <<Val:32>>; -eint_bin_positive2(Val) -> - [eint_bin_positive2(Val bsr 32),<<Val:32>>]. - - - - -enint(-1, [B1|T]) when B1 > 127 -> - list_to_binary([B1|T]); -enint(N, Acc) -> - enint(N bsr 8, [N band 16#ff|Acc]). - - -%% X.691:10.9 Encoding of a length determinant -%%encode_small_length(undefined,Len) -> % null means no UpperBound -%% encode_small_number(Len). - -%% X.691:10.9.3.5 -%% X.691:10.9.3.7 -encode_length(Len) -> % un-constrained - if - Len < 128 -> - <<Len>>; - Len < 16384 -> - <<2:2,Len:14>>; - true -> % should be able to endode length >= 16384 - error({error,{asn1,{encode_length,{nyi,above_16k}}}}) - end. - -encode_length({C,[]}, Len) -> - case C of - {Lb,Ub}=Vr when Lb =< Len, Len =< Ub -> - [<<0:1>>|encode_constrained_number(Vr, Len)]; - _ -> - [<<1:1>>|encode_length(Len)] - end; -encode_length(Len, Len) -> - []; -encode_length(Vr, Len) -> - encode_constrained_number(Vr, Len). - - -%% X.691 10.9.3.4 (only used for length of bitmap that prefixes extension -%% additions in a sequence or set -encode_small_length(Len) when Len =< 64 -> - <<(Len-1):7>>; -encode_small_length(Len) -> - [<<1:1>>,encode_length(Len)]. - - %% un-constrained decode_length(<<0:1,Oct:7,Rest/bitstring>>) -> {Oct,Rest}; @@ -373,575 +44,20 @@ decode_length(<<2:2,Val:14,Rest/bitstring>>) -> decode_length(<<3:2,_:14,_Rest/bitstring>>) -> exit({error,{asn1,{decode_length,{nyi,above_16k}}}}). - % X.691:11 -encode_boolean(true) -> - <<1:1>>; -encode_boolean(false) -> - <<0:1>>; -encode_boolean(Val) -> - exit({error,{asn1,{encode_boolean,Val}}}). - - -%%============================================================================ -%%============================================================================ -%% Bitstring value, ITU_T X.690 Chapter 8.5 -%%============================================================================ -%%============================================================================ - -%%============================================================================ -%% encode bitstring value -%%============================================================================ - - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% bitstring NamedBitList -%% Val can be of: -%% - [identifiers] where only named identifers are set to one, -%% the Constraint must then have some information of the -%% bitlength. -%% - [list of ones and zeroes] all bits -%% - integer value representing the bitlist -%% C is constraint Len, only valid when identifiers are present - - -%% when the value is a list of {Unused,BinBits}, where -%% Unused = integer(), -%% BinBits = binary(). - -encode_bit_string(C, Bits, NamedBitList) when is_bitstring(Bits) -> - PadLen = (8 - (bit_size(Bits) band 7)) band 7, - Compact = {PadLen,<<Bits/bitstring,0:PadLen>>}, - encode_bit_string(C, Compact, NamedBitList); -encode_bit_string(C, {Unused,BinBits}=Bin, NamedBitList) - when is_integer(Unused), is_binary(BinBits) -> - encode_bin_bit_string(C, Bin, NamedBitList); - -encode_bit_string(C, BitListVal, NamedBitList) -> - encode_bit_string1(C, BitListVal, NamedBitList). - -%% when the value is a list of named bits -encode_bit_string1(C, [FirstVal|_RestVal]=LoNB, NamedBitList) - when is_atom(FirstVal) -> - ToSetPos = get_all_bitposes(LoNB, NamedBitList, []), - BitList = make_and_set_list(ToSetPos, 0), - encode_bit_string1(C, BitList, NamedBitList); -encode_bit_string1(C, [{bit,_No}|_RestVal]=BL, NamedBitList) -> - ToSetPos = get_all_bitposes(BL, NamedBitList, []), - BitList = make_and_set_list(ToSetPos, 0), - encode_bit_string1(C, BitList, NamedBitList); -%% when the value is a list of ones and zeroes -encode_bit_string1(Int, BitListValue, _) - when is_list(BitListValue), is_integer(Int) -> - %% The type is constrained by a single value size constraint - bit_list2bitstr(Int, BitListValue); -encode_bit_string1(no, BitListValue, []) - when is_list(BitListValue) -> - Len = length(BitListValue), - [encode_length(Len),bit_list2bitstr(Len,BitListValue)]; -encode_bit_string1(C, BitListValue,[]) - when is_list(BitListValue) -> - Len = length(BitListValue), - [encode_length(C, Len),bit_list2bitstr(Len,BitListValue)]; -encode_bit_string1(no, BitListValue,_NamedBitList) - when is_list(BitListValue) -> - NewBitLVal = lists:reverse(lists:dropwhile(fun(0)->true;(1)->false end, - lists:reverse(BitListValue))), - Len = length(NewBitLVal), - [encode_length(Len),bit_list2bitstr(Len,NewBitLVal)]; -encode_bit_string1(C, BitListValue, _NamedBitList) - when is_list(BitListValue) ->% C = {_,'MAX'} - NewBitStr = bitstr_trailing_zeros(BitListValue, C), - [encode_length(C, bit_size(NewBitStr)),NewBitStr]; - - -%% when the value is an integer -encode_bit_string1(C, IntegerVal, NamedBitList) when is_integer(IntegerVal)-> - BitList = int_to_bitlist(IntegerVal), - encode_bit_string1(C, BitList, NamedBitList). - -bit_list2bitstr(Len,BitListValue) -> - case length(BitListValue) of - Len -> - << <<B:1>> || B <- BitListValue>>; - L when L > Len -> % truncate - <<(<< <<B:1>> || B <- BitListValue>>):Len/bitstring>>; - L -> % Len > L -> pad - <<(<< <<B:1>> || B <- BitListValue>>)/bitstring,0:(Len-L)>> - end. - -adjust_trailing_zeros(Len, Bin) when Len =:= bit_size(Bin) -> - Bin; -adjust_trailing_zeros(Len, Bin) when Len > bit_size(Bin) -> - <<Bin/bitstring,0:(Len-bit_size(Bin))>>; -adjust_trailing_zeros(Len,Bin) -> - <<Bin:Len/bitstring>>. - -bitstr_trailing_zeros(BitList, C) when is_integer(C) -> - bitstr_trailing_zeros1(BitList, C, C); -bitstr_trailing_zeros(BitList, {Lb,Ub}) when is_integer(Lb) -> - bitstr_trailing_zeros1(BitList,Lb,Ub); -bitstr_trailing_zeros(BitList, {{Lb,Ub},_}) when is_integer(Lb) -> - bitstr_trailing_zeros1(BitList, Lb, Ub); -bitstr_trailing_zeros(BitList, _) -> - bit_list2bitstr(length(BitList), BitList). - -bitstr_trailing_zeros1(BitList, Lb, Ub) -> - case length(BitList) of - Lb -> bit_list2bitstr(Lb, BitList); - B when B < Lb -> bit_list2bitstr(Lb, BitList); - D -> F = fun(L,LB,LB,_,_)->bit_list2bitstr(LB,lists:reverse(L)); - ([0|R],L1,LB,UB,Fun)->Fun(R,L1-1,LB,UB,Fun); - (L,L1,_,UB,_)when L1 =< UB -> - bit_list2bitstr(L1,lists:reverse(L)); - (_,_L1,_,_,_) ->exit({error,{list_length_BIT_STRING, - BitList}}) end, - F(lists:reverse(BitList),D,Lb,Ub,F) - end. - -%% encode_bin_bit_string/3, when value is a tuple of Unused and BinBits. -%% Unused = integer(),i.e. number unused bits in least sign. byte of -%% BinBits = binary(). -encode_bin_bit_string(C, {_,BinBits}, _NamedBitList) - when is_integer(C), C =< 16 -> - adjust_trailing_zeros(C, BinBits); -encode_bin_bit_string(C, {_Unused,BinBits}, _NamedBitList) - when is_integer(C) -> - adjust_trailing_zeros(C, BinBits); -encode_bin_bit_string(C, {_,_}=UnusedAndBin, NamedBitList) -> - %% removes all trailing bits if NamedBitList is not empty - BitStr = remove_trailing_bin(NamedBitList, UnusedAndBin), - case C of - {Lb,Ub} when is_integer(Lb),is_integer(Ub) -> - [encode_length({Lb,Ub},bit_size(BitStr)),BitStr]; - no -> - [encode_length(bit_size(BitStr)),BitStr]; - Sc -> - [encode_length(Sc,bit_size(BitStr)),BitStr] - end. - - -remove_trailing_bin([], {Unused,Bin}) -> - BS = bit_size(Bin)-Unused, - <<BitStr:BS/bitstring,_:Unused>> = Bin, - BitStr; -remove_trailing_bin(_NamedNumberList, {_Unused,<<>>}) -> - <<>>; -remove_trailing_bin(NamedNumberList, {_Unused,Bin}) -> - Size = byte_size(Bin)-1, - <<Bfront:Size/binary, LastByte:8>> = Bin, - - %% clear the Unused bits to be sure - Unused1 = trailingZeroesInNibble(LastByte band 15), - Unused2 = - case Unused1 of - 4 -> - 4 + trailingZeroesInNibble(LastByte bsr 4); - _ -> Unused1 - end, - case Unused2 of - 8 -> - remove_trailing_bin(NamedNumberList,{0,Bfront}); - _ -> - BS = bit_size(Bin) - Unused2, - <<BitStr:BS/bitstring,_:Unused2>> = Bin, - BitStr - end. - -trailingZeroesInNibble(0) -> - 4; -trailingZeroesInNibble(1) -> - 0; -trailingZeroesInNibble(2) -> - 1; -trailingZeroesInNibble(3) -> - 0; -trailingZeroesInNibble(4) -> - 2; -trailingZeroesInNibble(5) -> - 0; -trailingZeroesInNibble(6) -> - 1; -trailingZeroesInNibble(7) -> - 0; -trailingZeroesInNibble(8) -> - 3; -trailingZeroesInNibble(9) -> - 0; -trailingZeroesInNibble(10) -> - 1; -trailingZeroesInNibble(11) -> - 0; -trailingZeroesInNibble(12) -> %#1100 - 2; -trailingZeroesInNibble(13) -> - 0; -trailingZeroesInNibble(14) -> - 1; -trailingZeroesInNibble(15) -> - 0. - - -%%%%%%%%%%%%%%% -%% - -int_to_bitlist(Int) when is_integer(Int), Int > 0 -> - [Int band 1 | int_to_bitlist(Int bsr 1)]; -int_to_bitlist(0) -> - []. - - -%%%%%%%%%%%%%%%%%% -%% get_all_bitposes([list of named bits to set], named_bit_db, []) -> -%% [sorted_list_of_bitpositions_to_set] - -get_all_bitposes([{bit,ValPos}|Rest], NamedBitList, Ack) -> - get_all_bitposes(Rest, NamedBitList, [ValPos | Ack ]); - -get_all_bitposes([Val | Rest], NamedBitList, Ack) -> - case lists:keyfind(Val, 1, NamedBitList) of - {_ValName, ValPos} -> - get_all_bitposes(Rest, NamedBitList, [ValPos | Ack]); - false -> - exit({error,{asn1, {bitstring_namedbit, Val}}}) - end; -get_all_bitposes([], _NamedBitList, Ack) -> - lists:sort(Ack). - -%%%%%%%%%%%%%%%%%% -%% make_and_set_list([list of positions to set to 1])-> -%% returns list with all in SetPos set. -%% in positioning in list the first element is 0, the second 1 etc.., but -%% - -make_and_set_list([XPos|SetPos], XPos) -> - [1 | make_and_set_list(SetPos, XPos + 1)]; -make_and_set_list([Pos|SetPos], XPos) -> - [0 | make_and_set_list([Pos | SetPos], XPos + 1)]; -make_and_set_list([], _) -> - []. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% X.691:16 -%% encode_octet_string(Val) -%% encode_octet_string(Constraint, Val) -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -encode_octet_string(Val) -> - try - [encode_length(length(Val)),list_to_binary(Val)] - catch - error:{error,{asn1,{encode_length,_}}} -> - encode_fragmented_octet_string(Val) - end. - -encode_octet_string(C, Val) -> - case C of - {_,_}=VR -> - try - [encode_length(VR, length(Val)),list_to_binary(Val)] - catch - error:{error,{asn1,{encode_length,_}}} -> - encode_fragmented_octet_string(Val) - end; - Sv when is_integer(Sv), Sv =:= length(Val) -> % fixed length - list_to_binary(Val) - end. - - -encode_fragmented_octet_string(Val) -> - Bin = list_to_binary(Val), - efos_1(Bin). - -efos_1(<<B:16#10000/binary,T/binary>>) -> - [<<3:2,4:6>>,B|efos_1(T)]; -efos_1(<<B:16#C000/binary,T/binary>>) -> - [<<3:2,3:6>>,B|efos_1(T)]; -efos_1(<<B:16#8000/binary,T/binary>>) -> - [<<3:2,2:6>>,B|efos_1(T)]; -efos_1(<<B:16#4000/binary,T/binary>>) -> - [<<3:2,1:6>>,B|efos_1(T)]; -efos_1(<<B/bitstring>>) -> - Len = byte_size(B), - [encode_length(Len),B]. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% Restricted char string types -%% (NumericString, PrintableString,VisibleString,IA5String,BMPString,UniversalString) -%% X.691:26 and X.680:34-36 -%%encode_restricted_string('BMPString',Constraints,Extension,Val) - - -encode_restricted_string(Val) when is_list(Val)-> - [encode_length(length(Val)),list_to_binary(Val)]. - -encode_known_multiplier_string(StringType, C, Pa, Val) -> - Result = chars_encode(Pa, StringType, Val), - case C of - Ub when is_integer(Ub) -> - Result; - {_,_}=Range -> - [encode_length(Range, length(Val)),Result]; - no -> - [encode_length(length(Val)),Result] - end. - -encode_NumericString(C, Pa, Val) -> - encode_known_multiplier_string('NumericString', C, Pa, Val). - -encode_PrintableString(C, Pa, Val) -> - encode_known_multiplier_string('PrintableString', C, Pa, Val). - -encode_VisibleString(C, Pa, Val) -> % equivalent with ISO646String - encode_known_multiplier_string('VisibleString', C, Pa, Val). - -encode_IA5String(C, Pa, Val) -> - encode_known_multiplier_string('IA5String', C, Pa, Val). - -encode_BMPString(C, Pa, Val) -> - encode_known_multiplier_string('BMPString', C, Pa, Val). - -encode_UniversalString(C, Pa, Val) -> - encode_known_multiplier_string('UniversalString', C, Pa, Val). - - -%% end of known-multiplier strings for which PER visible constraints are -%% applied - -encode_GeneralString(_C,Val) -> - encode_restricted_string(Val). - -encode_GraphicString(_C,Val) -> - encode_restricted_string(Val). - -encode_ObjectDescriptor(_C,Val) -> - encode_restricted_string(Val). - -encode_TeletexString(_C,Val) -> % equivalent with T61String - encode_restricted_string(Val). - -encode_VideotexString(_C,Val) -> - encode_restricted_string(Val). - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% chars_encode(C,StringType,Value) -> ValueList -%% -%% encodes chars according to the per rules taking the constraint PermittedAlphabet -%% into account. -%% This function does only encode the value part and NOT the length - -chars_encode(Pa, StringType, Value) -> - case {StringType,Pa} of - {'UniversalString',{_,_Sv}} -> - exit({error,{asn1,{'not implemented',"UniversalString with PermittedAlphabet constraint"}}}); - {'BMPString',{_,_Sv}} -> - exit({error,{asn1,{'not implemented',"BMPString with PermittedAlphabet constraint"}}}); - _ -> - {NumBits,CharOutTab} = {get_NumBits(Pa, StringType), - get_CharOutTab(Pa, StringType)}, - chars_encode2(Value,NumBits,CharOutTab) - end. - -chars_encode2([H|T],NumBits,{Min,Max,notab}) when H =< Max, H >= Min -> - [<<(H-Min):NumBits>>|chars_encode2(T,NumBits,{Min,Max,notab})]; -chars_encode2([H|T],NumBits,{Min,Max,Tab}) when H =< Max, H >= Min -> - Ch = exit_if_false(H,element(H-Min+1,Tab)), - [<<Ch:NumBits>>|chars_encode2(T,NumBits,{Min,Max,Tab})]; -chars_encode2([{A,B,C,D}|T],NumBits,{Min,Max,notab}) -> - %% no value range check here (ought to be, but very expensive) - Ch = ((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min, - [<<Ch:NumBits>>|chars_encode2(T,NumBits,{Min,Max,notab})]; -chars_encode2([{A,B,C,D}|T],NumBits,{Min,Max,Tab}) -> - %% no value range check here (ought to be, but very expensive) - Ch = exit_if_false({A,B,C,D},element(((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min,Tab)), - [<<Ch:NumBits>>|chars_encode2(T,NumBits,{Min,Max,notab})]; -chars_encode2([H|_T],_,{_,_,_}) -> - exit({error,{asn1,{illegal_char_value,H}}}); -chars_encode2([],_,_) -> - []. - -exit_if_false(V,false)-> - exit({error,{asn1,{"illegal value according to Permitted alphabet constraint",V}}}); -exit_if_false(_,V) ->V. - - -get_NumBits(Pa, StringType) -> - case Pa of - {'SingleValue',Sv} -> - charbits(length(Sv)); - no -> - case StringType of - 'IA5String' -> - charbits(128); % 16#00..16#7F - 'VisibleString' -> - charbits(95); % 16#20..16#7E - 'PrintableString' -> - charbits(74); % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z - 'NumericString' -> - charbits(11); % $ ,"0123456789" - 'UniversalString' -> - 32; - 'BMPString' -> - 16 - end - end. - -get_CharOutTab(Pa, StringType) -> - case Pa of - {'SingleValue',Sv} -> - get_CharTab2(Pa, StringType, hd(Sv), lists:max(Sv), Sv); - no -> - case StringType of - 'IA5String' -> - {0,16#7F,notab}; - 'VisibleString' -> - get_CharTab2(Pa, StringType, 16#20, 16#7F, notab); - 'PrintableString' -> - Chars = lists:sort( - " '()+,-./0123456789:=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), - get_CharTab2(Pa, StringType, hd(Chars), - lists:max(Chars), Chars); - 'NumericString' -> - get_CharTab2(Pa, StringType, 16#20, $9, " 0123456789"); - 'UniversalString' -> - {0,16#FFFFFFFF,notab}; - 'BMPString' -> - {0,16#FFFF,notab} - end - end. - -get_CharTab2(C,StringType,Min,Max,Chars) -> - BitValMax = (1 bsl get_NumBits(C,StringType))-1, - if - Max =< BitValMax -> - {0,Max,notab}; - true -> - {Min,Max,create_char_tab(Min,Chars)} - end. - -create_char_tab(Min,L) -> - list_to_tuple(create_char_tab(Min,L,0)). -create_char_tab(Min,[Min|T],V) -> - [V|create_char_tab(Min+1,T,V+1)]; -create_char_tab(_Min,[],_V) -> - []; -create_char_tab(Min,L,V) -> - [false|create_char_tab(Min+1,L,V)]. - -%% See Table 20.3 in Dubuisson -charbits(NumOfChars) when NumOfChars =< 2 -> 1; -charbits(NumOfChars) when NumOfChars =< 4 -> 2; -charbits(NumOfChars) when NumOfChars =< 8 -> 3; -charbits(NumOfChars) when NumOfChars =< 16 -> 4; -charbits(NumOfChars) when NumOfChars =< 32 -> 5; -charbits(NumOfChars) when NumOfChars =< 64 -> 6; -charbits(NumOfChars) when NumOfChars =< 128 -> 7; -charbits(NumOfChars) when NumOfChars =< 256 -> 8; -charbits(NumOfChars) when NumOfChars =< 512 -> 9; -charbits(NumOfChars) when NumOfChars =< 1024 -> 10; -charbits(NumOfChars) when NumOfChars =< 2048 -> 11; -charbits(NumOfChars) when NumOfChars =< 4096 -> 12; -charbits(NumOfChars) when NumOfChars =< 8192 -> 13; -charbits(NumOfChars) when NumOfChars =< 16384 -> 14; -charbits(NumOfChars) when NumOfChars =< 32768 -> 15; -charbits(NumOfChars) when NumOfChars =< 65536 -> 16; -charbits(NumOfChars) when is_integer(NumOfChars) -> - 16 + charbits1(NumOfChars bsr 16). - -charbits1(0) -> - 0; -charbits1(NumOfChars) -> - 1 + charbits1(NumOfChars bsr 1). - - -%% UTF8String -encode_UTF8String(Val) when is_binary(Val) -> - [encode_length(byte_size(Val)),Val]; -encode_UTF8String(Val) -> - Bin = list_to_binary(Val), - encode_UTF8String(Bin). - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_object_identifier(Val) -> CompleteList -%% encode_object_identifier({Name,Val}) -> CompleteList -%% Val -> {Int1,Int2,...,IntN} % N >= 2 -%% Name -> atom() -%% Int1 -> integer(0..2) -%% Int2 -> integer(0..39) when Int1 (0..1) else integer() -%% Int3-N -> integer() -%% CompleteList -> [binary()|bitstring()|list()] -%% -encode_object_identifier(Val) -> - OctetList = e_object_identifier(Val), - Octets = list_to_binary(OctetList), % performs a flatten at the same time - [encode_length(byte_size(Octets)),Octets]. - -%% This code is copied from asn1_encode.erl (BER) and corrected and modified - -e_object_identifier({'OBJECT IDENTIFIER',V}) -> - e_object_identifier(V); -e_object_identifier(V) when is_tuple(V) -> - e_object_identifier(tuple_to_list(V)); - -%% E1 = 0|1|2 and (E2 < 40 when E1 = 0|1) -e_object_identifier([E1,E2|Tail]) when E1 >= 0, E1 < 2, E2 < 40 ; E1==2 -> - Head = 40*E1 + E2, % weird - e_object_elements([Head|Tail],[]); -e_object_identifier(Oid=[_,_|_Tail]) -> - exit({error,{asn1,{'illegal_value',Oid}}}). - -e_object_elements([],Acc) -> - lists:reverse(Acc); -e_object_elements([H|T],Acc) -> - e_object_elements(T,[e_object_element(H)|Acc]). - -e_object_element(Num) when Num < 128 -> - [Num]; -e_object_element(Num) -> - [e_o_e(Num bsr 7)|[Num band 2#1111111]]. -e_o_e(Num) when Num < 128 -> - Num bor 2#10000000; -e_o_e(Num) -> - [e_o_e(Num bsr 7)|[(Num band 2#1111111) bor 2#10000000]]. - - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% encode_relative_oid(Val) -> CompleteList -%% encode_relative_oid({Name,Val}) -> CompleteList -encode_relative_oid(Val) when is_tuple(Val) -> - encode_relative_oid(tuple_to_list(Val)); -encode_relative_oid(Val) when is_list(Val) -> - Octets = list_to_binary([e_object_element(X)||X <- Val]), - [encode_length(byte_size(Octets)),Octets]. - - -get_constraint([{Key,V}],Key) -> - V; -get_constraint([],_Key) -> - no; -get_constraint(C,Key) -> - case lists:keyfind(Key, 1, C) of - false -> - no; - {_,V} -> - V - end. - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% complete(InList) -> ByteList %% Takes a coded list with bits and bytes and converts it to a list of bytes %% Should be applied as the last step at encode of a complete ASN.1 type %% complete(InList) when is_list(InList) -> - case complete1(InList) of + case list_to_bitstring(InList) of <<>> -> <<0>>; Res -> - case bit_size(Res) band 7 of + Sz = bit_size(Res), + case Sz band 7 of 0 -> Res; - Bits -> <<Res/bitstring,0:(8-Bits)>> + Bits -> <<Res:Sz/bitstring,0:(8-Bits)>> end end; complete(Bin) when is_binary(Bin) -> @@ -950,24 +66,12 @@ complete(Bin) when is_binary(Bin) -> _ -> Bin end; complete(InList) when is_bitstring(InList) -> - PadLen = 8 - (bit_size(InList) band 7), - <<InList/bitstring,0:PadLen>>. - -complete1(L) when is_list(L) -> - list_to_bitstring(L). + Sz = bit_size(InList), + PadLen = 8 - (Sz band 7), + <<InList:Sz/bitstring,0:PadLen>>. %% Special version of complete that does not align the completed message. complete_NFP(InList) when is_list(InList) -> list_to_bitstring(InList); complete_NFP(InList) when is_bitstring(InList) -> InList. - -%% unaligned helpers - -%% 10.5.6 NOTE: If "range" satisfies the inequality 2^m < "range" =< -%% 2^(m+1) then the number of bits = m + 1 - -num_bits(N) -> num_bits(N, 1, 0). - -num_bits(N,T,B) when N =< T -> B; -num_bits(N,T,B) -> num_bits(N, T bsl 1, B+1). diff --git a/lib/asn1/src/notes_history.sgml b/lib/asn1/src/notes_history.sgml index 107459b37d..9dccb5ff57 100644 --- a/lib/asn1/src/notes_history.sgml +++ b/lib/asn1/src/notes_history.sgml @@ -1,15 +1,16 @@ <!doctype chapter PUBLIC "-//Stork//DTD chapter//EN"> <!-- - ``The contents of this file are subject to the Erlang Public License, - Version 1.1, (the "License"); you may not use this file except in - compliance with the License. You should have received a copy of the - Erlang Public License along with this software. If not, it can be - retrieved via the world wide web at http://www.erlang.org/. - - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and limitations - under the License. + ``Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. The Initial Developer of the Original Code is Ericsson Utvecklings AB. Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings diff --git a/lib/asn1/src/notes_latest.sgml b/lib/asn1/src/notes_latest.sgml index 5a397ecbc2..641c41b843 100644 --- a/lib/asn1/src/notes_latest.sgml +++ b/lib/asn1/src/notes_latest.sgml @@ -1,15 +1,16 @@ <!doctype chapter PUBLIC "-//Stork//DTD chapter//EN"> <!-- - ``The contents of this file are subject to the Erlang Public License, - Version 1.1, (the "License"); you may not use this file except in - compliance with the License. You should have received a copy of the - Erlang Public License along with this software. If not, it can be - retrieved via the world wide web at http://www.erlang.org/. - - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and limitations - under the License. + ``Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. The Initial Developer of the Original Code is Ericsson Utvecklings AB. Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings diff --git a/lib/asn1/src/prepare_templates.erl b/lib/asn1/src/prepare_templates.erl index 83155b2e52..3f996a563f 100644 --- a/lib/asn1/src/prepare_templates.erl +++ b/lib/asn1/src/prepare_templates.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012. All Rights Reserved. +%% Copyright Ericsson AB 2012-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -21,69 +22,77 @@ -export([gen_asn1ct_rtt/1,gen_asn1ct_eval/1]). gen_asn1ct_rtt(Ms) -> - io:format("%% Generated by ~s. DO NOT EDIT THIS FILE.\n" + {ok,Fd} = file:open("asn1ct_rtt.erl", [write]), + io:format(Fd, + "%% Generated by ~s. DO NOT EDIT THIS FILE.\n" "%%\n" "%% Input files:\n", [?MODULE]), - [io:put_chars(["%% ",M,$\n]) || M <- Ms], - io:nl(), - io:put_chars("-module(asn1ct_rtt).\n" + [io:put_chars(Fd, ["%% ",M,$\n]) || M <- Ms], + io:nl(Fd), + io:put_chars(Fd, + "-module(asn1ct_rtt).\n" "-export([assert_defined/1,dependencies/1,code/0]).\n" "\n"), Forms = lists:sort(lists:append([abstract(M) || M <- Ms])), Exp = lists:sort(exports(Forms)), - defined(Exp), - io:nl(), + defined(Fd, Exp), + io:nl(Fd), Calls = calls(Forms), R = sofs:relation(Calls), Fam0 = sofs:relation_to_family(R), Fam = sofs:to_external(Fam0), - dependencies(Fam), - io:nl(), + dependencies(Fd, Fam), + io:nl(Fd), Funcs = [begin Bin = list_to_binary([$\n|erl_pp:function(Func)]), {{M,F,A},Bin} end || {M,{function,_,F,A,_}=Func} <- Forms], - io:format("code() ->\n~p.\n\n", [Funcs]), + io:format(Fd, "code() ->\n~p.\n\n", [Funcs]), + ok = file:close(Fd), halt(0). gen_asn1ct_eval([File]) -> + Output = filename:rootname(File, ".funcs") ++ ".erl", + {ok,Fd} = file:open(Output, [write]), {ok,Funcs} = file:consult(File), asn1ct_func:start_link(), [asn1ct_func:need(MFA) || MFA <- Funcs], - io:format("%% Generated by ~s. DO NOT EDIT THIS FILE.\n" + io:format(Fd, + "%% Generated by ~s. DO NOT EDIT THIS FILE.\n" "%%\n" "%% Input file: ~s\n\n", [?MODULE,File]), - io:format("-module(~s).\n", [filename:rootname(File)]), - gen_asn1ct_eval_exp(Funcs), - asn1ct_func:generate(group_leader()), + io:format(Fd, "-module(~s).\n", [filename:rootname(File)]), + gen_asn1ct_eval_exp(Fd, Funcs), + asn1ct_func:generate(Fd), + ok = file:close(Fd), halt(0). -gen_asn1ct_eval_exp(Funcs) -> - io:put_chars("-export(["), - gen_asn1ct_eval_exp_1(Funcs, ""), - io:put_chars("]).\n"). +gen_asn1ct_eval_exp(Fd, Funcs) -> + io:put_chars(Fd, "-export(["), + gen_asn1ct_eval_exp_1(Fd, Funcs, ""), + io:put_chars(Fd, "]).\n"). -gen_asn1ct_eval_exp_1([{_,F,A}|T], Sep) -> - io:put_chars(Sep), - io:format("~p/~p", [F,A]), - gen_asn1ct_eval_exp_1(T, ",\n"); -gen_asn1ct_eval_exp_1([], _) -> ok. +gen_asn1ct_eval_exp_1(Fd, [{_,F,A}|T], Sep) -> + io:put_chars(Fd, Sep), + io:format(Fd, "~p/~p", [F,A]), + gen_asn1ct_eval_exp_1(Fd, T, ",\n"); +gen_asn1ct_eval_exp_1(_, [], _) -> ok. -defined([H|T]) -> - io:format("assert_defined(~p) -> ok", [H]), +defined(Fd, [H|T]) -> + io:format(Fd, "assert_defined(~p) -> ok", [H]), case T of [] -> - io:put_chars(".\n"); + io:put_chars(Fd, ".\n"); [_|_] -> - io:put_chars(";\n"), - defined(T) + io:put_chars(Fd, ";\n"), + defined(Fd, T) end. -dependencies([{K,V}|T]) -> - io:format("dependencies(~p) ->\n~p;\n", [K,V]), - dependencies(T); -dependencies([]) -> - io:put_chars("dependencies(_) -> [].\n"). +dependencies(Fd, [{K,V}|T]) -> + io:format(Fd, "dependencies(~p) ->\n~p;\n", [K,V]), + dependencies(Fd, T); +dependencies(Fd, []) -> + io:put_chars(Fd, "dependencies(_) -> [].\n"). abstract(File) -> {ok,{M0,[{abstract_code,Abstract}]}} = |