diff options
Diffstat (limited to 'lib/asn1/src/asn1ct_gen_per.erl')
| -rw-r--r-- | lib/asn1/src/asn1ct_gen_per.erl | 719 |
1 files changed, 291 insertions, 428 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl index bd5b81991d..fac233532b 100644 --- a/lib/asn1/src/asn1ct_gen_per.erl +++ b/lib/asn1/src/asn1ct_gen_per.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. 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 @@ -25,6 +25,7 @@ -include("asn1_records.hrl"). %-compile(export_all). +-export([gen_dec_imm/2]). -export([pgen/4,gen_dec_prim/3,gen_encode_prim/4]). -export([gen_obj_code/3,gen_objectset_code/2]). -export([gen_decode/2, gen_decode/3]). @@ -34,6 +35,7 @@ -export([extaddgroup2sequence/1]). -import(asn1ct_gen, [emit/1,demit/1]). +-import(asn1ct_func, [call/3]). %% pgen(Erules, Module, TypeOrVal) %% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module @@ -78,18 +80,6 @@ gen_encode(Erules,Typename,Type) when is_record(Type,type) -> end, case asn1ct_gen:type(InnerType) of {constructed,bif} -> - case InnerType of - 'SET' -> - true; - 'SEQUENCE' -> - true; - _ -> - emit({nl,"'enc_",asn1ct_gen:list2name(Typename), - "'({'",asn1ct_gen:list2name(Typename), - "',Val}",ObjFun,") ->",nl}), - emit({"'enc_",asn1ct_gen:list2name(Typename), - "'(Val",ObjFun,");",nl,nl}) - end, emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val",ObjFun, ") ->",nl}), asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type); @@ -103,13 +93,6 @@ gen_encode_user(Erules,D) when is_record(D,typedef) -> Typename = [D#typedef.name], Def = D#typedef.typespec, InnerType = asn1ct_gen:get_inner(Def#type.def), - case InnerType of - 'SET' -> true; - 'SEQUENCE' -> true; - _ -> - emit({nl,"'enc_",asn1ct_gen:list2name(Typename),"'({'",asn1ct_gen:list2name(Typename),"',Val}) ->",nl}), - emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val);",nl,nl}) - end, emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val) ->",nl}), case asn1ct_gen:type(InnerType) of {primitive,bif} -> @@ -145,105 +128,96 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) -> asn1ct_name:new(enumval), case D#type.def of 'INTEGER' -> - emit({"?RT_PER:encode_integer(", %fel - {asis,effective_constraint(integer,Constraint)},",",Value,")"}); + Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)}, + Value], + call(Erules, encode_integer, Args); {'INTEGER',NamedNumberList} -> - emit({"?RT_PER:encode_integer(", - {asis,effective_constraint(integer,Constraint)},",",Value,",", - {asis,NamedNumberList},")"}); + Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)}, + Value,{asis,NamedNumberList}], + call(Erules, encode_integer, Args); {'ENUMERATED',{Nlist1,Nlist2}} -> - NewList = lists:concat([[{0,X}||{X,_} <- Nlist1],['EXT_MARK'],[{1,X}||{X,_} <- Nlist2]]), - NewC = [{'ValueRange',{0,length(Nlist1)-1}}], - case Erules of - uper_bin -> - emit(["case ",Value," of",nl]); - _ -> - emit(["case (case ",Value," of {_,",{curr,enumval},"}-> ", - {curr,enumval},";_->", Value," end) of",nl]), - asn1ct_name:new(enumval) - end, -%% emit_enc_enumerated_cases(Erules,NewC, NewList++[{asn1_enum,length(Nlist1)-1}], 0); - emit_enc_enumerated_cases(Erules,NewC, NewList, 0); + NewList = [{0,X} || {X,_} <- Nlist1] ++ ['EXT_MARK'] ++ + [{1,X} || {X,_} <- Nlist2], + NewC = {0,length(Nlist1)-1}, + emit(["case ",Value," of",nl]), + emit_enc_enumerated_cases(Erules, NewC, NewList, 0); {'ENUMERATED',NamedNumberList} -> - NewList = [X||{X,_} <- NamedNumberList], - NewC = [{'ValueRange',{0,length(NewList)-1}}], - case Erules of - uper_bin -> - emit(["case ",Value," of",nl]); - _ -> - emit(["case (case ",Value," of {_,",{curr,enumval}, - "}->",{curr,enumval},";_->",Value," end) of",nl]) - end, - emit_enc_enumerated_cases(Erules,NewC, NewList, 0); + NewList = [X || {X,_} <- NamedNumberList], + NewC = {0,length(NewList)-1}, + emit(["case ",Value," of",nl]), + emit_enc_enumerated_cases(Erules, NewC, NewList, 0); 'REAL' -> - emit({"?RT_PER:encode_real(",Value,")"}); + emit_enc_real(Erules, Value); {'BIT STRING',NamedNumberList} -> - emit({"?RT_PER:encode_bit_string(", - {asis,Constraint},",",Value,",", - {asis,NamedNumberList},")"}); + SizeConstr = get_constraint(Constraint, 'SizeConstraint'), + call(Erules, encode_bit_string, + [{asis,SizeConstr},Value, + {asis,NamedNumberList}]); 'NULL' -> - emit({"?RT_PER:encode_null(",Value,")"}); + emit("[]"); 'OBJECT IDENTIFIER' -> - emit({"?RT_PER:encode_object_identifier(",Value,")"}); + call(Erules, encode_object_identifier, [Value]); 'RELATIVE-OID' -> - emit({"?RT_PER:encode_relative_oid(",Value,")"}); + call(Erules, encode_relative_oid, [Value]); 'ObjectDescriptor' -> - emit({"?RT_PER:encode_ObjectDescriptor(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_ObjectDescriptor, + [{asis,Constraint},Value]); 'BOOLEAN' -> - emit({"?RT_PER:encode_boolean(",Value,")"}); + call(Erules, encode_boolean, [Value]); 'OCTET STRING' -> - emit({"?RT_PER:encode_octet_string(",{asis,Constraint},",",Value,")"}); + case get_constraint(Constraint, 'SizeConstraint') of + 0 -> + emit("[]"); + no -> + call(Erules, encode_octet_string, [Value]); + C -> + call(Erules, encode_octet_string, [{asis,C},Value]) + end; 'NumericString' -> - emit({"?RT_PER:encode_NumericString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_NumericString, [{asis,Constraint},Value]); TString when TString == 'TeletexString'; TString == 'T61String' -> - emit({"?RT_PER:encode_TeletexString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_TeletexString, [{asis,Constraint},Value]); 'VideotexString' -> - emit({"?RT_PER:encode_VideotexString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_VideotexString, [{asis,Constraint},Value]); 'UTCTime' -> - emit({"?RT_PER:encode_VisibleString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_VisibleString, [{asis,Constraint},Value]); 'GeneralizedTime' -> - emit({"?RT_PER:encode_VisibleString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_VisibleString, [{asis,Constraint},Value]); 'GraphicString' -> - emit({"?RT_PER:encode_GraphicString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_GraphicString, [{asis,Constraint},Value]); 'VisibleString' -> - emit({"?RT_PER:encode_VisibleString(",{asis,Constraint},",",Value,")"}); + call(Erules, encode_VisibleString, [{asis,Constraint},Value]); 'GeneralString' -> - emit({"?RT_PER:encode_GeneralString(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_GeneralString, [{asis,Constraint},Value]); 'PrintableString' -> - emit({"?RT_PER:encode_PrintableString(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_PrintableString, [{asis,Constraint},Value]); 'IA5String' -> - emit({"?RT_PER:encode_IA5String(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_IA5String, [{asis,Constraint},Value]); 'BMPString' -> - emit({"?RT_PER:encode_BMPString(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_BMPString, [{asis,Constraint},Value]); 'UniversalString' -> - emit({"?RT_PER:encode_UniversalString(",{asis,Constraint}, - ",",Value,")"}); + call(Erules, encode_UniversalString, [{asis,Constraint},Value]); 'UTF8String' -> - emit({"?RT_PER:encode_UTF8String(",Value,")"}); + call(Erules, encode_UTF8String, [Value]); 'ANY' -> - emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", - Value, ")"]); + call(Erules, encode_open_type, [Value]); 'ASN1_OPEN_TYPE' -> NewValue = case Constraint of [#'Externaltypereference'{type=Tname}] -> - io_lib:format( - "?RT_PER:complete(enc_~s(~s))",[Tname,Value]); + 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( - "?RT_PER:complete(enc_~s(~s))", + "complete(enc_~s(~s))", [Tname,Value]); _ -> Value end, - emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", - NewValue, ")"]); + call(Erules, encode_open_type, [NewValue]); #'ObjectClassFieldType'{} -> case asn1ct_gen:get_inner(D#type.def) of {fixedtypevaluefield,_,InnerType} -> @@ -255,147 +229,58 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) -> exit({asn1_error,nyi,XX}) end. - -emit_enc_enumerated_cases(Erule,C, [H], Count) -> - emit_enc_enumerated_case(Erule,C, H, Count), - case H of - 'EXT_MARK' -> ok; - _ -> - emit([";",nl]) - end, - emit([nl,"EnumVal -> exit({error,{asn1, {enumerated_not_in_range, EnumVal}}})"]), - emit([nl,"end"]); -emit_enc_enumerated_cases(Erule, C, ['EXT_MARK'|T], _Count) -> - emit_enc_enumerated_cases(Erule, C, T, 0); -emit_enc_enumerated_cases(Erule, C, [H1,H2|T], Count) -> - emit_enc_enumerated_case(Erule, C, H1, Count), +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(Erule, C, [H2|T], Count+1). + 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(uper_bin,_C, {asn1_enum,High}, _) -> - emit([ - "{asn1_enum,EnumV} when is_integer(EnumV), EnumV > ",High," -> ", - "[<<1:1>>,?RT_PER:encode_small_number(EnumV)]"]); -emit_enc_enumerated_case(_Per,_C, {asn1_enum,High}, _) -> - emit([ - "{asn1_enum,EnumV} when is_integer(EnumV), EnumV > ",High," -> ", - "[{bit,1},?RT_PER:encode_small_number(EnumV)]"]); -emit_enc_enumerated_case(_Erule, _C, 'EXT_MARK', _Count) -> - true; -emit_enc_enumerated_case(uper_bin,_C, {1,EnumName}, Count) -> - emit(["'",EnumName,"' -> [<<1:1>>,?RT_PER:encode_small_number(",Count,")]"]); -emit_enc_enumerated_case(_Per,_C, {1,EnumName}, Count) -> - emit(["'",EnumName,"' -> [{bit,1},?RT_PER:encode_small_number(",Count,")]"]); -emit_enc_enumerated_case(uper_bin,C, {0,EnumName}, Count) -> - emit(["'",EnumName,"' -> [<<0:1>>,?RT_PER:encode_integer(",{asis,C},", ",Count,")]"]); -emit_enc_enumerated_case(_Per,C, {0,EnumName}, Count) -> - emit(["'",EnumName,"' -> [{bit,0},?RT_PER:encode_integer(",{asis,C},", ",Count,")]"]); -emit_enc_enumerated_case(_Erule, C, EnumName, Count) -> - emit(["'",EnumName,"' -> ?RT_PER:encode_integer(",{asis,C},", ",Count,")"]). - -%% 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) -> - SVs = get_constraints(C,'SingleValue'), - SV = effective_constr('SingleValue',SVs), - VRs = get_constraints(C,'ValueRange'), - VR = effective_constr('ValueRange',VRs), - greatest_common_range(SV,VR). - -effective_constr(_,[]) -> - []; -effective_constr('SingleValue',List) -> - SVList = lists:flatten(lists:map(fun(X)->element(2,X)end,List)), - %% Sort and remove duplicates before generating SingleValue or ValueRange - %% In case of ValueRange, also check for 'MIN and 'MAX' - case lists:usort(SVList) of - [N] -> - [{'SingleValue',N}]; - L when is_list(L) -> - [{'ValueRange',{least_Lb(L),greatest_Ub(L)}}] - end; -effective_constr('ValueRange',List) -> - LBs = lists:map(fun({_,{Lb,_}})-> Lb end,List), - UBs = lists:map(fun({_,{_,Ub}})-> Ub end,List), - Lb = least_Lb(LBs), - [{'ValueRange',{Lb,lists:max(UBs)}}]. - -greatest_common_range([],VR) -> - VR; -greatest_common_range(SV,[]) -> - SV; -greatest_common_range(SV,VR) -> - greatest_common_range2(mk_vr(SV),mk_vr(VR)). -greatest_common_range2({_,Int},{'MIN',Ub}) when is_integer(Int), - Int > Ub -> - [{'ValueRange',{'MIN',Int}}]; -greatest_common_range2({_,Int},{Lb,Ub}) when is_integer(Int), - Int < Lb -> - [{'ValueRange',{Int,Ub}}]; -greatest_common_range2({_,Int},VR={_Lb,_Ub}) when is_integer(Int) -> - [{'ValueRange',VR}]; -greatest_common_range2({_,L},{Lb,Ub}) when is_list(L) -> - Min = least_Lb([Lb|L]), - Max = greatest_Ub([Ub|L]), - [{'ValueRange',{Min,Max}}]; -greatest_common_range2({Lb1,Ub1},{Lb2,Ub2}) -> - Min = least_Lb([Lb1,Lb2]), - Max = greatest_Ub([Ub1,Ub2]), - [{'ValueRange',{Min,Max}}]. - -mk_vr([{Type,I}]) when is_atom(Type), is_integer(I) -> - {I,I}; -mk_vr([{Type,{Lb,Ub}}]) when is_atom(Type) -> - {Lb,Ub}; -mk_vr(Other) -> - Other. - -least_Lb(L) -> - case lists:member('MIN',L) of - true -> 'MIN'; - _ -> lists:min(L) - end. - -greatest_Ub(L) -> - case lists:member('MAX',L) of - true -> 'MAX'; - _ -> lists:max(L) - end. - - -get_constraints(L=[{Key,_}],Key) -> - L; -get_constraints([],_) -> - []; -get_constraints(C,Key) -> - {value,L} = keysearch_allwithkey(Key,1,C,[]), - L. - -keysearch_allwithkey(Key,Ix,C,Acc) -> - case lists:keysearch(Key,Ix,C) of - false -> - {value,Acc}; - {value,T} -> - RestC = lists:delete(T,C), - keysearch_allwithkey(Key,Ix,RestC,[T|Acc]) +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) -> + <<E:1,(apply(asn1ct_eval_uper, F, Args))/bitstring>>. + + +get_constraint([{Key,V}], Key) -> + V; +get_constraint([], _) -> + no; +get_constraint(C, Key) -> + case lists:keyfind(Key, 1, C) of + false -> no; + {Key,V} -> V end. - %% Object code generating for encoding and decoding %% ------------------------------------------------ @@ -442,7 +327,7 @@ gen_encode_objectfields(Erule,ClassName,[{typefield,Name,OptOrMand}|Rest], {false,'OPTIONAL'} -> EmitFuncClause("Val"), case Erule of - uper_bin -> + uper -> emit(" Val"); _ -> emit(" [{octets,Val}]") @@ -546,7 +431,7 @@ gen_encode_field_call(ObjName,FieldName,Type) -> Def = Type#typedef.typespec, case Type#typedef.name of {primitive,bif} -> - gen_encode_prim(per,Def,"false", + gen_encode_prim(uper,Def,"false", "Val"), []; {constructed,bif} -> @@ -684,7 +569,7 @@ gen_decode_field_call(ObjName,FieldName,Bytes,Type) -> Def = Type#typedef.typespec, case Type#typedef.name of {primitive,bif} -> - gen_dec_prim(per,Def,Bytes), + gen_dec_prim(uper, Def, Bytes), []; {constructed,bif} -> emit({" 'dec_",ObjName,'_',FieldName, @@ -833,7 +718,7 @@ gen_objset_enc(Erule,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName, emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}), emit({indent(3),"fun(_, Val, _) ->",nl}), case Erule of - uper_bin -> + uper -> emit([indent(6),"Val",nl]); _ -> emit([indent(6),"[{octets,Val}]",nl]) @@ -883,7 +768,7 @@ gen_inlined_enc_funs(Erule,Fields,[{typefield,Name,_}|Rest],ObjSetName,NthObj) - emit({indent(9),{asis,Name}," ->",nl}), emit([indent(12),"'",M,"'",":'enc_",T,"'(Val)"]), gen_inlined_enc_funs1(Erule,Fields,Rest,ObjSetName,NthObj,[]); - false when Erule == uper_bin -> + false when Erule =:= uper -> emit([indent(3),"fun(Type,Val,_) ->",nl, indent(6),"case Type of",nl, indent(9),{asis,Name}," -> Val",nl]), @@ -921,7 +806,7 @@ gen_inlined_enc_funs1(Erule,Fields,[{typefield,Name,_}|Rest],ObjSetName, emit({";",nl,indent(9),{asis,Name}," ->",nl}), emit([indent(12),"'",M,"'",":'enc_",T,"'(Val)"]), {Acc,0}; - false when Erule == uper_bin -> + false when Erule =:= uper -> emit([";",nl, indent(9),{asis,Name}," -> ",nl, "Val",nl]), @@ -945,7 +830,7 @@ emit_inner_of_fun(TDef=#typedef{name={ExtMod,Name},typespec=Type}, case {ExtMod,Name} of {primitive,bif} -> emit(indent(12)), - gen_encode_prim(per,Type,dotag,"Val"), + gen_encode_prim(uper,Type,dotag,"Val"), {[],0}; {constructed,bif} -> emit([indent(12),"'enc_", @@ -1031,7 +916,6 @@ gen_objset_dec(ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName,_ClFields, _NthObj) -> emit({"'getdec_",ObjSetName,"'(_, _) ->",nl}), emit({indent(3),"fun(Attr1, Bytes, _,_) ->",nl}), -%% emit({indent(6),"?RT_PER:decode_open_type(Bytes,[])",nl}), emit({indent(6),"{Bytes,Attr1}",nl}), emit({indent(3),"end.",nl,nl}), ok; @@ -1047,83 +931,49 @@ emit_default_getdec(ObjSetName,UniqueName) -> emit([indent(2), "fun(C,V,_,_) -> exit({{component,C},{value,V},{unique_name_and_value,",{asis,UniqueName},",ErrV}}) end"]). -gen_inlined_dec_funs(Fields,[{typefield,Name,_}|Rest], - ObjSetName,NthObj) -> - CurrMod = get(currmod), - InternalDefFunName = [NthObj,Name,ObjSetName], - case lists:keysearch(Name,1,Fields) of - {value,{_,Type}} when is_record(Type,type) -> - emit({indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl}), - N=emit_inner_of_decfun(Type,InternalDefFunName), - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N); - {value,{_,Type}} when is_record(Type,typedef) -> - emit({indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl}), - emit({indent(9),{asis,Name}," ->",nl}), - N=emit_inner_of_decfun(Type,InternalDefFunName), - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N); - {value,{_,#'Externaltypereference'{module=CurrMod,type=T}}} -> - emit({indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl}), - emit({indent(9),{asis,Name}," ->",nl}), - emit([indent(12),"'dec_",T,"'(Val, telltype)"]), - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj); - {value,{_,#'Externaltypereference'{module=M,type=T}}} -> - emit({indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl}), - emit({indent(9),{asis,Name}," ->",nl}), - emit([indent(12),"'",M,"':'dec_",T,"'(Val, telltype)"]), - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj); - false -> - emit([indent(3),"fun(Type, Val, _, _) ->",nl, - indent(6),"case Type of",nl, - indent(9),{asis,Name}," ->{Val,Type}"]), - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj) - end; -gen_inlined_dec_funs(Fields,[_|Rest],ObjSetName,NthObj) -> - gen_inlined_dec_funs(Fields,Rest,ObjSetName,NthObj); -gen_inlined_dec_funs(_,[],_,NthObj) -> +gen_inlined_dec_funs(Fields, List, ObjSetName, NthObj0) -> + emit([indent(3),"fun(Type, Val, _, _) ->",nl, + indent(6),"case Type of",nl]), + NthObj = gen_inlined_dec_funs1(Fields, List, ObjSetName, "", NthObj0), + emit([nl,indent(6),"end",nl, + indent(3),"end"]), NthObj. -gen_inlined_dec_funs1(Fields,[{typefield,Name,_}|Rest], - ObjSetName,NthObj) -> +gen_inlined_dec_funs1(Fields, [{typefield,Name,_}|Rest], + ObjSetName, Sep0, NthObj) -> CurrentMod = get(currmod), InternalDefFunName = [NthObj,Name,ObjSetName], - N=case lists:keysearch(Name,1,Fields) of - {value,{_,Type}} when is_record(Type,type) -> - emit({";",nl}), - emit_inner_of_decfun(Type,InternalDefFunName); - {value,{_,Type}} when is_record(Type,typedef) -> - emit({";",nl,indent(9),{asis,Name}," ->",nl}), - emit_inner_of_decfun(Type,InternalDefFunName); - {value,{_,#'Externaltypereference'{module=CurrentMod,type=T}}} -> - emit([";",nl,indent(9),{asis,Name}," ->",nl]), - emit([indent(12),"'dec_",T,"'(Val,telltype)"]), - 0; - {value,{_,#'Externaltypereference'{module=M,type=T}}} -> - emit([";",nl,indent(9),{asis,Name}," ->",nl]), - emit([indent(12),"'",M,"'",":'dec_",T,"'(Val,telltype)"]), - 0; - false -> - emit([";",nl, - indent(9),{asis,Name}," ->{Val,Type}"]), - 0 - end, - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N); -gen_inlined_dec_funs1(Fields,[_|Rest],ObjSetName,NthObj)-> - gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj); -gen_inlined_dec_funs1(_,[],_,NthObj) -> - emit({nl,indent(6),"end",nl}), - emit({indent(3),"end"}), - NthObj. + emit(Sep0), + Sep = [";",nl], + N = case lists:keyfind(Name, 1, Fields) of + {_,#type{}=Type} -> + emit_inner_of_decfun(Type, InternalDefFunName); + {_,#typedef{}=Type} -> + emit([indent(9),{asis,Name}," ->",nl]), + emit_inner_of_decfun(Type, InternalDefFunName); + {_,#'Externaltypereference'{module=CurrentMod,type=T}} -> + emit([indent(9),{asis,Name}," ->",nl, + indent(12),"'dec_",T,"'(Val,telltype)"]), + 0; + {_,#'Externaltypereference'{module=M,type=T}} -> + emit([indent(9),{asis,Name}," ->",nl, + indent(12),"'",M,"':'dec_",T,"'(Val,telltype)"]), + 0; + false -> + emit([indent(9),{asis,Name}," -> {Val,Type}"]), + 0 + end, + gen_inlined_dec_funs1(Fields, Rest, ObjSetName, Sep, NthObj+N); +gen_inlined_dec_funs1(Fields, [_|Rest], ObjSetName, Sep, NthObj) -> + gen_inlined_dec_funs1(Fields, Rest, ObjSetName, Sep, NthObj); +gen_inlined_dec_funs1(_, [], _, _, NthObj) -> NthObj. emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type}, InternalDefFunName) -> case {ExtName,Name} of {primitive,bif} -> emit(indent(12)), - gen_dec_prim(per,Type,"Val"), + gen_dec_prim(uper, Type, "Val"), 0; {constructed,bif} -> emit({indent(12),"'dec_", @@ -1141,7 +991,7 @@ emit_inner_of_decfun(Type,_) when is_record(Type,type) -> case Type#type.def of Def when is_atom(Def) -> emit({indent(9),Def," ->",nl,indent(12)}), - gen_dec_prim(erules,Type,"Val"); + gen_dec_prim(uper, Type, "Val"); TRef when is_record(TRef,typereference) -> T = TRef#typereference.val, emit({indent(9),T," ->",nl,indent(12),"'dec_",T,"'(Val)"}); @@ -1228,141 +1078,132 @@ gen_decode_user(Erules,D) when is_record(D,typedef) -> exit({error,{asn1,{unknown,Other}}}) end. - -gen_dec_prim(Erules,Att,BytesVar) -> - Typename = Att#type.def, - Constraint = Att#type.constraint, - case Typename of - 'INTEGER' -> - emit({"?RT_PER:decode_integer(",BytesVar,",", - {asis,effective_constraint(integer,Constraint)},")"}); - {'INTEGER',NamedNumberList} -> - emit({"?RT_PER:decode_integer(",BytesVar,",", - {asis,effective_constraint(integer,Constraint)},",", - {asis,NamedNumberList},")"}); - - 'REAL' -> - emit({"?RT_PER:decode_real(",BytesVar,")"}); - - {'BIT STRING',NamedNumberList} -> - case get(compact_bit_string) of - true -> - emit({"?RT_PER:decode_compact_bit_string(", - BytesVar,",",{asis,Constraint},",", - {asis,NamedNumberList},")"}); - _ -> - emit({"?RT_PER:decode_bit_string(",BytesVar,",", - {asis,Constraint},",", - {asis,NamedNumberList},")"}) - end; - 'NULL' -> - emit({"?RT_PER:decode_null(", - BytesVar,")"}); - 'OBJECT IDENTIFIER' -> - emit({"?RT_PER:decode_object_identifier(", - BytesVar,")"}); - 'RELATIVE-OID' -> - emit({"?RT_PER:decode_relative_oid(", - BytesVar,")"}); - 'ObjectDescriptor' -> - emit({"?RT_PER:decode_ObjectDescriptor(", - BytesVar,")"}); - {'ENUMERATED',{NamedNumberList1,NamedNumberList2}} -> - NewTup = {list_to_tuple([X||{X,_} <- NamedNumberList1]), - list_to_tuple([X||{X,_} <- NamedNumberList2])}, - NewC = [{'ValueRange',{0,size(element(1,NewTup))-1}}], - emit({"?RT_PER:decode_enumerated(",BytesVar,",", - {asis,NewC},",", - {asis,NewTup},")"}); - {'ENUMERATED',NamedNumberList} -> - NewTup = list_to_tuple([X||{X,_} <- NamedNumberList]), - NewC = [{'ValueRange',{0,size(NewTup)-1}}], - emit({"?RT_PER:decode_enumerated(",BytesVar,",", - {asis,NewC},",", - {asis,NewTup},")"}); - 'BOOLEAN'-> - emit({"?RT_PER:decode_boolean(",BytesVar,")"}); - 'OCTET STRING' -> - emit({"?RT_PER:decode_octet_string(",BytesVar,",", - {asis,Constraint},")"}); - 'NumericString' -> - emit({"?RT_PER:decode_NumericString(",BytesVar,",", - {asis,Constraint},")"}); - TString when TString == 'TeletexString'; - TString == 'T61String' -> - emit({"?RT_PER:decode_TeletexString(",BytesVar,",", - {asis,Constraint},")"}); - 'VideotexString' -> - emit({"?RT_PER:decode_VideotexString(",BytesVar,",", - {asis,Constraint},")"}); - 'UTCTime' -> - emit({"?RT_PER:decode_VisibleString(",BytesVar,",", - {asis,Constraint},")"}); - 'GeneralizedTime' -> - emit({"?RT_PER:decode_VisibleString(",BytesVar,",", - {asis,Constraint},")"}); - 'GraphicString' -> - emit({"?RT_PER:decode_GraphicString(",BytesVar,",", - {asis,Constraint},")"}); - 'VisibleString' -> - emit({"?RT_PER:decode_VisibleString(",BytesVar,",", - {asis,Constraint},")"}); - 'GeneralString' -> - emit({"?RT_PER:decode_GeneralString(",BytesVar,",", - {asis,Constraint},")"}); - 'PrintableString' -> - emit({"?RT_PER:decode_PrintableString(",BytesVar,",",{asis,Constraint},")"}); - 'IA5String' -> - emit({"?RT_PER:decode_IA5String(",BytesVar,",",{asis,Constraint},")"}); - 'BMPString' -> - emit({"?RT_PER:decode_BMPString(",BytesVar,",", - {asis,Constraint},")"}); - 'UniversalString' -> - emit({"?RT_PER:decode_UniversalString(",BytesVar, - ",",{asis,Constraint},")"}); - 'UTF8String' -> - emit({"?RT_PER:decode_UTF8String(",BytesVar,")"}); - 'ANY' -> - case Erules of - per -> - emit(["fun() -> {XTerm,YTermXBytes} = ?RT_PER:decode_open_type(",BytesVar,",",{asis,Constraint}, "), {binary_to_list(XTerm),XBytes} end ()"]); - _ -> - emit(["?RT_PER:decode_open_type(",BytesVar,",", - {asis,Constraint}, ")"]) - end; - 'ASN1_OPEN_TYPE' -> - case Constraint of - [#'Externaltypereference'{type=Tname}] -> - emit(["fun(FBytes) ->",nl, - " {XTerm,XBytes} = "]), - emit(["?RT_PER:decode_open_type(FBytes,[]),",nl]), - emit([" {YTerm,_} = dec_",Tname,"(XTerm,mandatory),",nl]), - emit([" {YTerm,XBytes} end(",BytesVar,")"]); - [#type{def=#'Externaltypereference'{type=Tname}}] -> - emit(["fun(FBytes) ->",nl, - " {XTerm,XBytes} = "]), - emit(["?RT_PER:decode_open_type(FBytes,[]),",nl]), - emit([" {YTerm,_} = dec_",Tname,"(XTerm,mandatory),",nl]), - emit([" {YTerm,XBytes} end(",BytesVar,")"]); - _ -> - case Erules of - per -> - emit(["fun() -> {XTerm,XBytes} = ?RT_PER:decode_open_type(",BytesVar,", []), {binary_to_list(XTerm),XBytes} end()"]); - _ -> - emit(["?RT_PER:decode_open_type(",BytesVar,",[])"]) - end +gen_dec_imm(Erule, #type{def=Name,constraint=C}) -> + Aligned = case Erule of + uper -> false; + per -> true + end, + gen_dec_imm_1(Name, C, Aligned). + +gen_dec_imm_1('ASN1_OPEN_TYPE', Constraint, Aligned) -> + imm_decode_open_type(Constraint, Aligned); +gen_dec_imm_1('ANY', _Constraint, Aligned) -> + imm_decode_open_type([], Aligned); +gen_dec_imm_1({'BIT STRING',NNL}, Constr0, Aligned) -> + Constr = get_constraint(Constr0, 'SizeConstraint'), + Imm = asn1ct_imm:per_dec_raw_bitstring(Constr, Aligned), + case NNL of + [] -> + case asn1ct:get_bit_string_format() of + compact -> + gen_dec_bit_string(decode_compact_bit_string, + Imm); + legacy -> + gen_dec_bit_string(decode_legacy_bit_string, + Imm); + bitstring -> + gen_dec_copy_bitstring(Imm) end; - #'ObjectClassFieldType'{} -> - case asn1ct_gen:get_inner(Att#type.def) of - {fixedtypevaluefield,_,InnerType} -> - gen_dec_prim(Erules,InnerType,BytesVar); - T -> - gen_dec_prim(Erules,Att#type{def=T},BytesVar) - end; - Other -> - exit({'cant decode' ,Other}) + [_|_] -> + D = fun(V, Buf) -> + As = [V,{asis,NNL}], + Call = {call,per_common,decode_named_bit_string,As}, + emit(["{",Call,com,Buf,"}"]) + end, + {call,D,Imm} + end; +gen_dec_imm_1('NULL', _Constr, _Aligned) -> + {value,'NULL'}; +gen_dec_imm_1('BOOLEAN', _Constr, _Aligned) -> + asn1ct_imm:per_dec_boolean(); +gen_dec_imm_1({'ENUMERATED',{Base,Ext}}, _Constr, Aligned) -> + asn1ct_imm:per_dec_enumerated(Base, Ext, Aligned); +gen_dec_imm_1({'ENUMERATED',NamedNumberList}, _Constr, Aligned) -> + asn1ct_imm:per_dec_enumerated(NamedNumberList, Aligned); +gen_dec_imm_1('INTEGER', Constr, Aligned) -> + asn1ct_imm:per_dec_integer(Constr, Aligned); +gen_dec_imm_1({'INTEGER',NamedNumberList}, Constraint, Aligned) -> + asn1ct_imm:per_dec_named_integer(Constraint, + NamedNumberList, + Aligned); +gen_dec_imm_1('BMPString'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('NumericString'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('PrintableString'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('VisibleString'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('IA5String'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('UniversalString'=Type, Constraint, Aligned) -> + gen_dec_k_m_string(Type, Constraint, Aligned); +gen_dec_imm_1('UTCTime', Constraint, Aligned) -> + gen_dec_k_m_string('VisibleString', Constraint, Aligned); +gen_dec_imm_1('GeneralizedTime', Constraint, Aligned) -> + gen_dec_k_m_string('VisibleString', Constraint, Aligned); +gen_dec_imm_1('OCTET STRING', Constraint, Aligned) -> + SzConstr = get_constraint(Constraint, 'SizeConstraint'), + Imm = asn1ct_imm:per_dec_octet_string(SzConstr, Aligned), + {convert,binary_to_list,Imm}; +gen_dec_imm_1('TeletexString', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('T61String', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('VideotexString', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('GraphicString', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('GeneralString', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('ObjectDescriptor', _Constraint, Aligned) -> + gen_dec_restricted_string(Aligned); +gen_dec_imm_1('OBJECT IDENTIFIER', _Constraint, Aligned) -> + Dec = fun(V, Buf) -> + emit(["{",{call,per_common,decode_oid,[V]},com, + Buf,"}"]) + end, + {call,Dec,gen_dec_restricted_string(Aligned)}; +gen_dec_imm_1('RELATIVE-OID', _Constraint, Aligned) -> + Dec = fun(V, Buf) -> + emit(["{",{call,per_common,decode_relative_oid,[V]},com, + Buf,"}"]) + end, + {call,Dec,gen_dec_restricted_string(Aligned)}; +gen_dec_imm_1('UTF8String', _Constraint, Aligned) -> + asn1ct_imm:per_dec_restricted_string(Aligned); +gen_dec_imm_1('REAL', _Constraint, Aligned) -> + asn1ct_imm:per_dec_real(Aligned); +gen_dec_imm_1(#'ObjectClassFieldType'{}=TypeName, _Constraint, Aligned) -> + case asn1ct_gen:get_inner(TypeName) of + {fixedtypevaluefield,_,#type{def=InnerType,constraint=C}} -> + gen_dec_imm_1(InnerType, C, Aligned); + #type{def=T,constraint=C} -> + gen_dec_imm_1(T, C, Aligned) end. +gen_dec_bit_string(F, Imm) -> + D = fun(V, Buf) -> + emit(["{",{call,per_common,F,[V]},com,Buf,"}"]) + end, + {call,D,Imm}. + +gen_dec_copy_bitstring(Imm) -> + D = fun(V, Buf) -> + emit(["{list_to_bitstring([",V,"]),",Buf,"}"]) + end, + {call,D,Imm}. + +gen_dec_k_m_string(Type, Constraint, Aligned) -> + asn1ct_imm:per_dec_k_m_string(Type, Constraint, Aligned). + +gen_dec_restricted_string(Aligned) -> + Imm = asn1ct_imm:per_dec_restricted_string(Aligned), + {convert,binary_to_list,Imm}. + +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 @@ -1417,3 +1258,25 @@ extaddgroup2sequence([C|T],ExtNum,Acc) -> extaddgroup2sequence(T,ExtNum,[C|Acc]); extaddgroup2sequence([],_,Acc) -> lists:reverse(Acc). + +imm_decode_open_type([#'Externaltypereference'{type=Tname}], Aligned) -> + imm_dec_open_type_1(Tname, Aligned); +imm_decode_open_type([#type{def=#'Externaltypereference'{type=Tname}}], + Aligned) -> + imm_dec_open_type_1(Tname, Aligned); +imm_decode_open_type(_, Aligned) -> + asn1ct_imm:per_dec_open_type(Aligned). + +imm_dec_open_type_1(Type, Aligned) -> + D = fun(OpenType, Buf) -> + asn1ct_name:new(tmpval), + emit(["begin",nl, + "{",{curr,tmpval},",_} = ", + "dec_",Type,"(",OpenType,", mandatory),",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. |