diff options
Diffstat (limited to 'lib/stdlib/src/epp.erl')
| -rw-r--r-- | lib/stdlib/src/epp.erl | 387 |
1 files changed, 241 insertions, 146 deletions
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index d1d060ebc8..d3124ac593 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. 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% @@ -20,12 +21,12 @@ %% An Erlang code preprocessor. --export([open/2,open/3,open/5,close/1,format_error/1]). +-export([open/1, open/2,open/3,open/5,close/1,format_error/1]). -export([scan_erl_form/1,parse_erl_form/1,macro_defs/1]). --export([parse_file/1, parse_file/3]). +-export([parse_file/1, parse_file/2, parse_file/3]). -export([default_encoding/0, encoding_to_string/1, read_encoding_from_binary/1, read_encoding_from_binary/2, - set_encoding/1, read_encoding/1, read_encoding/2]). + set_encoding/1, set_encoding/2, read_encoding/1, read_encoding/2]). -export([interpret_file_attribute/1]). -export([normalize_typed_record_fields/1,restore_typed_record_fields/1]). @@ -33,21 +34,34 @@ -export_type([source_encoding/0]). --type macros() :: [{atom(), term()}]. +-type macros() :: [atom() | {atom(), term()}]. -type epp_handle() :: pid(). -type source_encoding() :: latin1 | utf8. +-type ifdef() :: 'ifdef' | 'ifndef' | 'else'. + +-type name() :: {'atom', atom()}. +-type argspec() :: 'none' %No arguments + | non_neg_integer(). %Number of arguments +-type tokens() :: [erl_scan:token()]. +-type used() :: {name(), argspec()}. + +-define(DEFAULT_ENCODING, utf8). + %% Epp state record. --record(epp, {file, %Current file - location, %Current location - delta, %Offset from Location (-file) - name="", %Current file name - name2="", %-"-, modified by -file - istk=[], %Ifdef stack - sstk=[], %State stack - path=[], %Include-path - macs = dict:new() :: dict(), %Macros (don't care locations) - uses = dict:new() :: dict(), %Macro use structure +-record(epp, {file :: file:io_device(), %Current file + location=1, %Current location + delta=0 :: non_neg_integer(), %Offset from Location (-file) + name="" :: file:name(), %Current file name + name2="" :: file:name(), %-"-, modified by -file + istk=[] :: [ifdef()], %Ifdef stack + sstk=[] :: [#epp{}], %State stack + path=[] :: [file:name()], %Include-path + macs = dict:new() %Macros (don't care locations) + :: dict:dict(name(), {argspec(), tokens()}), + uses = dict:new() %Macro use structure + :: dict:dict(name(), [{argspec(), [used()]}]), + default_encoding = ?DEFAULT_ENCODING :: source_encoding(), pre_opened = false :: boolean() }). @@ -58,6 +72,7 @@ %%% distinction in the internal representation would simplify the code %%% a little. +%% open(Options) %% open(FileName, IncludePath) %% open(FileName, IncludePath, PreDefMacros) %% open(FileName, IoDevice, StartLocation, IncludePath, PreDefMacros) @@ -65,6 +80,7 @@ %% scan_erl_form(Epp) %% parse_erl_form(Epp) %% parse_file(Epp) +%% parse_file(FileName, Options) %% parse_file(FileName, IncludePath, PreDefMacros) %% macro_defs(Epp) @@ -87,14 +103,43 @@ open(Name, Path) -> ErrorDescriptor :: term(). open(Name, Path, Pdm) -> - Self = self(), - Epp = spawn(fun() -> server(Self, Name, Path, Pdm) end), - epp_request(Epp). + internal_open([{name, Name}, {includes, Path}, {macros, Pdm}], #epp{}). open(Name, File, StartLocation, Path, Pdm) -> - Self = self(), - Epp = spawn(fun() -> server(Self, Name, File, StartLocation,Path,Pdm) end), - epp_request(Epp). + internal_open([{name, Name}, {includes, Path}, {macros, Pdm}], + #epp{file=File, pre_opened=true, location=StartLocation}). + +-spec open(Options) -> + {'ok', Epp} | {'ok', Epp, Extra} | {'error', ErrorDescriptor} when + Options :: [{'default_encoding', DefEncoding :: source_encoding()} | + {'includes', IncludePath :: [DirectoryName :: file:name()]} | + {'macros', PredefMacros :: macros()} | + {'name',FileName :: file:name()} | + 'extra'], + Epp :: epp_handle(), + Extra :: [{'encoding', source_encoding() | 'none'}], + ErrorDescriptor :: term(). + +open(Options) -> + internal_open(Options, #epp{}). + +internal_open(Options, St) -> + case proplists:get_value(name, Options) of + undefined -> + erlang:error(badarg); + Name -> + Self = self(), + Epp = spawn(fun() -> server(Self, Name, Options, St) end), + case epp_request(Epp) of + {ok, Pid, Encoding} -> + case proplists:get_bool(extra, Options) of + true -> {ok, Pid, [{encoding, Encoding}]}; + false -> {ok, Pid} + end; + Other -> + Other + end + end. -spec close(Epp) -> 'ok' when Epp :: epp_handle(). @@ -114,7 +159,7 @@ scan_erl_form(Epp) -> {'ok', AbsForm} | {'eof', Line} | {error, ErrorInfo} when Epp :: epp_handle(), AbsForm :: erl_parse:abstract_form(), - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). parse_erl_form(Epp) -> @@ -170,31 +215,51 @@ format_error({'NYI',What}) -> io_lib:format("not yet implemented '~s'", [What]); format_error(E) -> file:format_error(E). -%% parse_file(FileName, IncludePath, [PreDefMacro]) -> -%% {ok,[Form]} | {error,OpenError} - -spec parse_file(FileName, IncludePath, PredefMacros) -> {'ok', [Form]} | {error, OpenError} when FileName :: file:name(), IncludePath :: [DirectoryName :: file:name()], Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, PredefMacros :: macros(), - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), OpenError :: file:posix() | badarg | system_limit. parse_file(Ifile, Path, Predefs) -> - case open(Ifile, Path, Predefs) of + parse_file(Ifile, [{includes, Path}, {macros, Predefs}]). + +-spec parse_file(FileName, Options) -> + {'ok', [Form]} | {'ok', [Form], Extra} | {error, OpenError} when + FileName :: file:name(), + Options :: [{'includes', IncludePath :: [DirectoryName :: file:name()]} | + {'macros', PredefMacros :: macros()} | + {'default_encoding', DefEncoding :: source_encoding()} | + 'extra'], + Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, + Line :: erl_anno:line(), + ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), + Extra :: [{'encoding', source_encoding() | 'none'}], + OpenError :: file:posix() | badarg | system_limit. + +parse_file(Ifile, Options) -> + case internal_open([{name, Ifile} | Options], #epp{}) of {ok,Epp} -> Forms = parse_file(Epp), close(Epp), {ok,Forms}; + {ok,Epp,Extra} -> + Forms = parse_file(Epp), + close(Epp), + {ok,Forms,Extra}; {error,E} -> {error,E} end. -%% parse_file(Epp) -> -%% [Form] +-spec parse_file(Epp) -> [Form] when + Epp :: epp_handle(), + Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, + Line :: erl_anno:line(), + ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). parse_file(Epp) -> case parse_erl_form(Epp) of @@ -216,11 +281,9 @@ parse_file(Epp) -> {error,E} -> [{error,E}|parse_file(Epp)]; {eof,Location} -> - [{eof,Location}] + [{eof,erl_anno:new(Location)}] end. --define(DEFAULT_ENCODING, latin1). - -spec default_encoding() -> source_encoding(). default_encoding() -> @@ -258,9 +321,16 @@ read_encoding(Name, Options) -> File :: io:device(). % pid(); raw files don't work set_encoding(File) -> + set_encoding(File, ?DEFAULT_ENCODING). + +-spec set_encoding(File, Default) -> source_encoding() | none when + Default :: source_encoding(), + File :: io:device(). % pid(); raw files don't work + +set_encoding(File, Default) -> Encoding = read_encoding_from_file(File, true), Enc = case Encoding of - none -> default_encoding(); + none -> Default; Encoding -> Encoding end, ok = io:setopts(File, [{encoding, Enc}]), @@ -446,37 +516,40 @@ restore_typed_record_fields([{attribute,La,type,{{record,Record},Fields,[]}}| restore_typed_record_fields([Form|Forms]) -> [Form|restore_typed_record_fields(Forms)]. -%% server(StarterPid, FileName, Path, PreDefMacros) - -server(Pid, Name, Path, Pdm) -> +server(Pid, Name, Options, #epp{pre_opened=PreOpened}=St) -> process_flag(trap_exit, true), - case file:open(Name, [read]) of - {ok,File} -> - Location = 1, - init_server(Pid, Name, File, Location, Path, Pdm, false); - {error,E} -> - epp_reply(Pid, {error,E}) + case PreOpened of + false -> + case file:open(Name, [read]) of + {ok,File} -> + init_server(Pid, Name, Options, St#epp{file = File}); + {error,E} -> + epp_reply(Pid, {error,E}) + end; + true -> + init_server(Pid, Name, Options, St) end. -%% server(StarterPid, FileName, IoDevice, Location, Path, PreDefMacros) -server(Pid, Name, File, AtLocation, Path, Pdm) -> - process_flag(trap_exit, true), - init_server(Pid, Name, File, AtLocation, Path, Pdm, true). - -init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) -> +init_server(Pid, Name, Options, St0) -> + Pdm = proplists:get_value(macros, Options, []), Ms0 = predef_macros(Name), case user_predef(Pdm, Ms0) of {ok,Ms1} -> - _ = set_encoding(File), - epp_reply(Pid, {ok,self()}), + #epp{file = File, location = AtLocation} = St0, + DefEncoding = proplists:get_value(default_encoding, Options, + ?DEFAULT_ENCODING), + Encoding = set_encoding(File, DefEncoding), + epp_reply(Pid, {ok,self(),Encoding}), %% ensure directory of current source file is %% first in path - Path1 = [filename:dirname(Name) | Path], - St = #epp{file=File, location=AtLocation, delta=0, - name=Name, name2=Name, path=Path1, macs=Ms1, - pre_opened = Pre}, + Path = [filename:dirname(Name) | + proplists:get_value(includes, Options, [])], + St = St0#epp{delta=0, name=Name, name2=Name, + path=Path, macs=Ms1, + default_encoding=DefEncoding}, From = wait_request(St), - enter_file_reply(From, Name, AtLocation, AtLocation), + Anno = erl_anno:new(AtLocation), + enter_file_reply(From, Name, Anno, AtLocation, code), wait_req_scan(St); {error,E} -> epp_reply(Pid, {error,E}) @@ -488,15 +561,16 @@ init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) -> predef_macros(File) -> Machine = list_to_atom(erlang:system_info(machine)), + Anno = line1(), dict:from_list([ - {{atom,'FILE'}, {none,[{string,1,File}]}}, - {{atom,'LINE'}, {none,[{integer,1,1}]}}, + {{atom,'FILE'}, {none,[{string,Anno,File}]}}, + {{atom,'LINE'}, {none,[{integer,Anno,1}]}}, {{atom,'MODULE'}, undefined}, {{atom,'MODULE_STRING'}, undefined}, {{atom,'BASE_MODULE'}, undefined}, {{atom,'BASE_MODULE_STRING'}, undefined}, - {{atom,'MACHINE'}, {none,[{atom,1,Machine}]}}, - {{atom,Machine}, {none,[{atom,1,true}]}} + {{atom,'MACHINE'}, {none,[{atom,Anno,Machine}]}}, + {{atom,Machine}, {none,[{atom,Anno,true}]}} ]). %% user_predef(PreDefMacros, Macros) -> @@ -524,8 +598,9 @@ user_predef([M|Pdm], Ms) when is_atom(M) -> {ok,_Def} -> %% Predefined macros {error,{redefine_predef,M}}; error -> + A = line1(), user_predef(Pdm, - dict:store({atom,M}, [{none, {none,[{atom,1,true}]}}], Ms)) + dict:store({atom,M}, [{none, {none,[{atom,A,true}]}}], Ms)) end; user_predef([Md|_Pdm], _Ms) -> {error,{bad,Md}}; user_predef([], Ms) -> {ok,Ms}. @@ -574,7 +649,7 @@ wait_req_skip(St, Sis) -> enter_file(_NewName, Inc, From, St) when length(St#epp.sstk) >= 8 -> - epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include"}}}), + epp_reply(From, {error,{loc(Inc),epp,{depth,"include"}}}), wait_req_scan(St); enter_file(NewName, Inc, From, St) -> case file:path_open(St#epp.path, NewName, [read]) of @@ -582,7 +657,7 @@ enter_file(NewName, Inc, From, St) -> Loc = start_loc(St#epp.location), wait_req_scan(enter_file2(NewF, Pname, From, St, Loc)); {error,_E} -> - epp_reply(From, {error,{abs_loc(Inc),epp,{include,file,NewName}}}), + epp_reply(From, {error,{loc(Inc),epp,{include,file,NewName}}}), wait_req_scan(St) end. @@ -590,9 +665,9 @@ enter_file(NewName, Inc, From, St) -> %% Set epp to use this file and "enter" it. enter_file2(NewF, Pname, From, St0, AtLocation) -> - Loc = start_loc(AtLocation), - enter_file_reply(From, Pname, Loc, AtLocation), - Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St0#epp.macs), + Anno = erl_anno:new(AtLocation), + enter_file_reply(From, Pname, Anno, AtLocation, code), + Ms = dict:store({atom,'FILE'}, {none,[{string,Anno,Pname}]}, St0#epp.macs), %% update the head of the include path to be the directory of the new %% source file, so that an included file can always include other files %% relative to its current location (this is also how C does it); note @@ -600,16 +675,22 @@ enter_file2(NewF, Pname, From, St0, AtLocation) -> %% the path) must be dropped, otherwise the path used within the current %% file will depend on the order of file inclusions in the parent files Path = [filename:dirname(Pname) | tl(St0#epp.path)], - _ = set_encoding(NewF), - #epp{file=NewF,location=Loc,name=Pname,name2=Pname,delta=0, - sstk=[St0|St0#epp.sstk],path=Path,macs=Ms}. - -enter_file_reply(From, Name, Location, AtLocation) -> - Attr = loc_attr(AtLocation), - Rep = {ok, [{'-',Attr},{atom,Attr,file},{'(',Attr}, - {string,Attr,file_name(Name)},{',',Attr}, - {integer,Attr,get_line(Location)},{')',Location}, - {dot,Attr}]}, + DefEncoding = St0#epp.default_encoding, + _ = set_encoding(NewF, DefEncoding), + #epp{file=NewF,location=AtLocation,name=Pname,name2=Pname,delta=0, + sstk=[St0|St0#epp.sstk],path=Path,macs=Ms, + default_encoding=DefEncoding}. + +enter_file_reply(From, Name, LocationAnno, AtLocation, Where) -> + Anno0 = loc_anno(AtLocation), + Anno = case Where of + code -> Anno0; + generated -> erl_anno:set_generated(true, Anno0) + end, + Rep = {ok, [{'-',Anno},{atom,Anno,file},{'(',Anno}, + {string,Anno,file_name(Name)},{',',Anno}, + {integer,Anno,get_line(LocationAnno)},{')',LocationAnno}, + {dot,Anno}]}, epp_reply(From, Rep). %% Flatten filename to a string. Must be a valid filename. @@ -637,18 +718,20 @@ leave_file(From, St) -> #epp{location=OldLoc, delta=Delta, name=OldName, name2=OldName2} = OldSt, CurrLoc = add_line(OldLoc, Delta), + Anno = erl_anno:new(CurrLoc), Ms = dict:store({atom,'FILE'}, - {none,[{string,CurrLoc,OldName2}]}, + {none,[{string,Anno,OldName2}]}, St#epp.macs), - NextSt = OldSt#epp{sstk=Sts,macs=Ms}, - enter_file_reply(From, OldName, CurrLoc, CurrLoc), + NextSt = OldSt#epp{sstk=Sts,macs=Ms,uses=St#epp.uses}, + enter_file_reply(From, OldName, Anno, CurrLoc, code), case OldName2 =:= OldName of true -> - From; + ok; false -> NFrom = wait_request(NextSt), - enter_file_reply(NFrom, OldName2, OldLoc, - neg_line(CurrLoc)) + OldAnno = erl_anno:new(OldLoc), + enter_file_reply(NFrom, OldName2, OldAnno, + CurrLoc, generated) end, wait_req_scan(NextSt); [] -> @@ -745,9 +828,9 @@ scan_extends(_Ts, _As, Ms) -> Ms. %% scan_define(Tokens, DefineToken, From, EppState) -scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{',',Lc}|Toks], _Def, From, St) +scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{',',_}=Comma|Toks], _Def, From, St) when Type =:= atom; Type =:= var -> - case catch macro_expansion(Toks, Lc) of + case catch macro_expansion(Toks, Comma) of Expansion when is_list(Expansion) -> case dict:find({atom,M}, St#epp.macs) of {ok, Defs} when is_list(Defs) -> @@ -837,10 +920,12 @@ macro_ref([]) -> []; macro_ref([{'?', _}, {'?', _} | Rest]) -> macro_ref(Rest); -macro_ref([{'?', _}, {atom, Lm, A} | Rest]) -> +macro_ref([{'?', _}, {atom, _, A}=Atom | Rest]) -> + Lm = loc(Atom), Arity = count_args(Rest, Lm, A), [{{atom, A}, Arity} | macro_ref(Rest)]; -macro_ref([{'?', _}, {var, Lm, A} | Rest]) -> +macro_ref([{'?', _}, {var, _, A}=Var | Rest]) -> + Lm = loc(Var), Arity = count_args(Rest, Lm, A), [{{atom, A}, Arity} | macro_ref(Rest)]; macro_ref([_Token | Rest]) -> @@ -867,7 +952,7 @@ scan_include([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, NewName = expand_var(NewName0), enter_file(NewName, Inc, From, St); scan_include(_Toks, Inc, From, St) -> - epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include}}}), + epp_reply(From, {error,{loc(Inc),epp,{bad,include}}}), wait_req_scan(St). %% scan_include_lib(Tokens, IncludeToken, From, EppState) @@ -882,7 +967,7 @@ find_lib_dir(NewName) -> scan_include_lib([{'(',_Llp},{string,_Lf,_NewName0},{')',_Lrp},{dot,_Ld}], Inc, From, St) when length(St#epp.sstk) >= 8 -> - epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include_lib"}}}), + epp_reply(From, {error,{loc(Inc),epp,{depth,"include_lib"}}}), wait_req_scan(St); scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, From, St) -> @@ -901,18 +986,18 @@ scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], St, Loc)); {error,_E2} -> epp_reply(From, - {error,{abs_loc(Inc),epp, + {error,{loc(Inc),epp, {include,lib,NewName}}}), wait_req_scan(St) end; _Error -> - epp_reply(From, {error,{abs_loc(Inc),epp, + epp_reply(From, {error,{loc(Inc),epp, {include,lib,NewName}}}), wait_req_scan(St) end end; scan_include_lib(_Toks, Inc, From, St) -> - epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include_lib}}}), + epp_reply(From, {error,{loc(Inc),epp,{bad,include_lib}}}), wait_req_scan(St). %% scan_ifdef(Tokens, IfdefToken, From, EppState) @@ -1015,11 +1100,12 @@ scan_endif(_Toks, Endif, From, St) -> scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, {dot,_Ld}], Tf, From, St) -> - enter_file_reply(From, Name, Ln, neg_line(abs_loc(Tf))), - Ms = dict:store({atom,'FILE'}, {none,[{string,1,Name}]}, St#epp.macs), + Anno = erl_anno:new(Ln), + enter_file_reply(From, Name, Anno, loc(Tf), generated), + Ms = dict:store({atom,'FILE'}, {none,[{string,line1(),Name}]}, St#epp.macs), Locf = loc(Tf), NewLoc = new_location(Ln, St#epp.location, Locf), - Delta = abs(get_line(element(2, Tf)))-Ln + St#epp.delta, + Delta = get_line(element(2, Tf))-Ln + St#epp.delta, wait_req_scan(St#epp{name2=Name,location=NewLoc,delta=Delta,macs=Ms}); scan_file(_Toks, Tf, From, St) -> epp_reply(From, {error,{loc(Tf),epp,{bad,file}}}), @@ -1048,8 +1134,20 @@ skip_toks(From, St, [I|Sis]) -> skip_toks(From, St#epp{location=Cl}, Sis); {ok,_Toks,Cl} -> skip_toks(From, St#epp{location=Cl}, [I|Sis]); - {error,_E,Cl} -> - skip_toks(From, St#epp{location=Cl}, [I|Sis]); + {error,E,Cl} -> + case E of + {_,file_io_server,invalid_unicode} -> + %% The compiler needs to know that there was + %% invalid unicode characters in the file + %% (and there is no point in continuing anyway + %% since io server process has terminated). + epp_reply(From, {error,E}), + leave_file(wait_request(St), St); + _ -> + %% Some other invalid token, such as a bad floating + %% point number. Just ignore it. + skip_toks(From, St#epp{location=Cl}, [I|Sis]) + end; {eof,Cl} -> leave_file(From, St#epp{location=Cl,istk=[I|Sis]}); {error,_E} -> @@ -1068,7 +1166,7 @@ skip_else(_Else, From, St, Sis) -> skip_toks(From, St, Sis). %% macro_pars(Tokens, ArgStack) -%% macro_expansion(Tokens, Line) +%% macro_expansion(Tokens, Anno) %% Extract the macro parameters and the expansion from a macro definition. macro_pars([{')',_Lp}, {',',Ld}|Ex], Args) -> @@ -1080,11 +1178,12 @@ macro_pars([{var,_L,Name}, {',',_}|Ts], Args) -> false = lists:member(Name, Args), macro_pars(Ts, [Name|Args]). -macro_expansion([{')',_Lp},{dot,_Ld}], _L0) -> []; -macro_expansion([{dot,Ld}], _L0) -> throw({error,Ld,missing_parenthesis}); -macro_expansion([T|Ts], _L0) -> - [T|macro_expansion(Ts, element(2, T))]; -macro_expansion([], L0) -> throw({error,L0,premature_end}). +macro_expansion([{')',_Lp},{dot,_Ld}], _Anno0) -> []; +macro_expansion([{dot,_}=Dot], _Anno0) -> + throw({error,loc(Dot),missing_parenthesis}); +macro_expansion([T|Ts], _Anno0) -> + [T|macro_expansion(Ts, T)]; +macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}). %% expand_macros(Tokens, Macros) %% expand_macro(Tokens, MacroToken, RestTokens) @@ -1154,17 +1253,17 @@ expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], Ms) -> expand_macros(atom, MacT, M, Toks, Ms); %% Special macros expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], Ms) -> - {line,Line} = erl_scan:token_info(Tok, line), + Line = erl_scan:line(Tok), [{integer,Lm,Line}|expand_macros(Toks, Ms)]; expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], Ms) -> expand_macros(atom, MacT, M, Toks, Ms); %% Illegal macros expand_macros([{'?',_Lq},Token|_Toks], _Ms) -> - T = case erl_scan:token_info(Token, text) of - {text,Text} -> + T = case erl_scan:text(Token) of + Text when is_list(Text) -> Text; undefined -> - {symbol,Symbol} = erl_scan:token_info(Token, symbol), + Symbol = erl_scan:symbol(Token), io_lib:write(Symbol) end, throw({error,loc(Token),{call,[$?|T]}}); @@ -1247,6 +1346,8 @@ macro_arg([{'case',Lc}|Toks], E, Arg) -> macro_arg(Toks, ['end'|E], [{'case',Lc}|Arg]); macro_arg([{'fun',Lc}|[{'(',_}|_]=Toks], E, Arg) -> macro_arg(Toks, ['end'|E], [{'fun',Lc}|Arg]); +macro_arg([{'fun',_}=Fun,{var,_,_}=Name|[{'(',_}|_]=Toks], E, Arg) -> + macro_arg(Toks, ['end'|E], [Name,Fun|Arg]); macro_arg([{'receive',Lr}|Toks], E, Arg) -> macro_arg(Toks, ['end'|E], [{'receive',Lr}|Arg]); macro_arg([{'try',Lr}|Toks], E, Arg) -> @@ -1296,7 +1397,7 @@ expand_arg([], Ts, L, Rest, Bs) -> %%% stringify(Ts, L) returns a list of one token: a string which when %%% tokenized would yield the token list Ts. -%% erl_scan:token_info(T, text) is not backward compatible with this. +%% erl_scan:text(T) is not backward compatible with this. %% Note that escaped characters will be replaced by themselves. token_src({dot, _}) -> "."; @@ -1369,36 +1470,29 @@ fname_join(Components) -> filename:join(Components). %% The line only. (Other tokens may have the column and text as well...) -loc_attr(Line) when is_integer(Line) -> - Line; -loc_attr({Line,_Column}) -> - Line. +loc_anno(Line) when is_integer(Line) -> + erl_anno:new(Line); +loc_anno({Line,_Column}) -> + erl_anno:new(Line). loc(Token) -> - {location,Location} = erl_scan:token_info(Token, location), - Location. + erl_scan:location(Token). -abs_loc(Token) -> - loc(setelement(2, Token, abs_line(element(2, Token)))). - -neg_line(L) -> - erl_scan:set_attribute(line, L, fun(Line) -> -abs(Line) end). - -abs_line(L) -> - erl_scan:set_attribute(line, L, fun(Line) -> abs(Line) end). - -add_line(L, Offset) -> - erl_scan:set_attribute(line, L, fun(Line) -> Line+Offset end). +add_line(Line, Offset) when is_integer(Line) -> + Line+Offset; +add_line({Line, Column}, Offset) -> + {Line+Offset, Column}. start_loc(Line) when is_integer(Line) -> 1; start_loc({_Line, _Column}) -> - {1,1}. + {1, 1}. -get_line(Line) when is_integer(Line) -> - Line; -get_line({Line,_Column}) -> - Line. +line1() -> + erl_anno:new(1). + +get_line(Anno) -> + erl_anno:line(Anno). %% epp has always output -file attributes when entering and leaving %% included files (-include, -include_lib). Starting with R11B the @@ -1438,14 +1532,15 @@ get_line({Line,_Column}) -> interpret_file_attribute(Forms) -> interpret_file_attr(Forms, 0, []). -interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms], +interpret_file_attr([{attribute,Anno,file,{File,Line}}=Form | Forms], Delta, Fs) -> - {line, L} = erl_scan:attributes_info(Loc, line), + L = get_line(Anno), + Generated = erl_anno:generated(Anno), if - L < 0 -> + Generated -> %% -file attribute - interpret_file_attr(Forms, (abs(L) + Delta) - Line, Fs); - true -> + interpret_file_attr(Forms, (L + Delta) - Line, Fs); + not Generated -> %% -include or -include_lib % true = L =:= Line, case Fs of @@ -1456,11 +1551,11 @@ interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms], end end; interpret_file_attr([Form0 | Forms], Delta, Fs) -> - F = fun(Attrs) -> - F2 = fun(L) -> abs(L) + Delta end, - erl_scan:set_attribute(line, Attrs, F2) + F = fun(Anno) -> + Line = erl_anno:line(Anno), + erl_anno:set_line(Line + Delta, Anno) end, - Form = erl_lint:modify_line(Form0, F), + Form = erl_parse:map_anno(F, Form0), [Form | interpret_file_attr(Forms, Delta, Fs)]; interpret_file_attr([], _Delta, _Fs) -> []. |