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-rw-r--r--lib/stdlib/src/Makefile4
-rw-r--r--lib/stdlib/src/beam_lib.erl27
-rw-r--r--lib/stdlib/src/epp.erl171
-rw-r--r--lib/stdlib/src/erl_anno.erl460
-rw-r--r--lib/stdlib/src/erl_eval.erl35
-rw-r--r--lib/stdlib/src/erl_expand_records.erl40
-rw-r--r--lib/stdlib/src/erl_lint.erl141
-rw-r--r--lib/stdlib/src/erl_parse.yrl738
-rw-r--r--lib/stdlib/src/erl_pp.erl59
-rw-r--r--lib/stdlib/src/erl_scan.erl227
-rw-r--r--lib/stdlib/src/escript.erl28
-rw-r--r--lib/stdlib/src/io.erl4
-rw-r--r--lib/stdlib/src/ms_transform.erl5
-rw-r--r--lib/stdlib/src/otp_internal.erl66
-rw-r--r--lib/stdlib/src/qlc.erl96
-rw-r--r--lib/stdlib/src/qlc_pt.erl662
-rw-r--r--lib/stdlib/src/shell.erl35
-rw-r--r--lib/stdlib/src/stdlib.app.src3
18 files changed, 1903 insertions, 898 deletions
diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile
index 1b3744b6fb..85b858febd 100644
--- a/lib/stdlib/src/Makefile
+++ b/lib/stdlib/src/Makefile
@@ -1,7 +1,7 @@
#
# %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
@@ -58,6 +58,7 @@ MODULES= \
edlin \
edlin_expand \
epp \
+ erl_anno \
erl_bits \
erl_compile \
erl_eval \
@@ -168,6 +169,7 @@ docs:
# specifications.
primary_bootstrap_compiler: \
$(BOOTSTRAP_COMPILER)/ebin/epp.beam \
+ $(BOOTSTRAP_COMPILER)/ebin/erl_anno.beam \
$(BOOTSTRAP_COMPILER)/ebin/erl_scan.beam \
$(BOOTSTRAP_COMPILER)/ebin/erl_parse.beam \
$(BOOTSTRAP_COMPILER)/ebin/erl_lint.beam \
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 1a7b7d5a5e..4a6b489204 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2015. 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
@@ -652,7 +652,13 @@ chunk_to_data(abstract_code=Id, Chunk, File, _Cs, AtomTable, Mod) ->
{'EXIT', _} ->
error({invalid_chunk, File, chunk_name_to_id(Id, File)});
Term ->
- {AtomTable, {Id, Term}}
+ try
+ {AtomTable, {Id, anno_from_term(Term)}}
+ catch
+ _:_ ->
+ error({invalid_chunk, File,
+ chunk_name_to_id(Id, File)})
+ end
end
end;
chunk_to_data(atoms=Id, _Chunk, _File, Cs, AtomTable0, _Mod) ->
@@ -878,7 +884,22 @@ decrypt_abst(Type, Module, File, Id, AtomTable, Bin) ->
decrypt_abst_1({Type,Key,IVec,_BlockSize}, Bin) ->
ok = start_crypto(),
NewBin = crypto:block_decrypt(Type, Key, IVec, Bin),
- binary_to_term(NewBin).
+ Term = binary_to_term(NewBin),
+ anno_from_term(Term).
+
+anno_from_term({raw_abstract_v1, Forms}) ->
+ {raw_abstract_v1, anno_from_forms(Forms)};
+anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; Tag =:= abstract_v2 ->
+ try {Tag, anno_from_forms(Forms)}
+ catch
+ _:_ ->
+ {Tag, Forms}
+ end;
+anno_from_term(T) ->
+ T.
+
+anno_from_forms(Forms) ->
+ [erl_parse:anno_from_term(Form) || Form <- Forms].
start_crypto() ->
case crypto:start() of
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 5f8637c118..7866b5f792 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -158,7 +158,7 @@ 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) ->
@@ -220,7 +220,7 @@ format_error(E) -> file:format_error(E).
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.
@@ -235,7 +235,7 @@ parse_file(Ifile, Path, Predefs) ->
{'default_encoding', DefEncoding :: source_encoding()} |
'extra'],
Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line},
- Line :: erl_scan: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.
@@ -257,7 +257,7 @@ parse_file(Ifile, Options) ->
-spec parse_file(Epp) -> [Form] when
Epp :: epp_handle(),
Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line},
- Line :: erl_scan:line(),
+ Line :: erl_anno:line(),
ErrorInfo :: erl_scan:error_info() | erl_parse:error_info().
parse_file(Epp) ->
@@ -280,7 +280,7 @@ parse_file(Epp) ->
{error,E} ->
[{error,E}|parse_file(Epp)];
{eof,Location} ->
- [{eof,Location}]
+ [{eof,erl_anno:new(Location)}]
end.
-spec default_encoding() -> source_encoding().
@@ -547,7 +547,8 @@ init_server(Pid, Name, Options, St0) ->
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})
@@ -559,15 +560,16 @@ init_server(Pid, Name, Options, St0) ->
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) ->
@@ -595,8 +597,9 @@ 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}.
@@ -645,7 +648,7 @@ 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
@@ -653,7 +656,7 @@ 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.
@@ -661,9 +664,9 @@ 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
@@ -673,16 +676,20 @@ enter_file2(NewF, Pname, From, St0, AtLocation) ->
Path = [filename:dirname(Pname) | tl(St0#epp.path)],
DefEncoding = St0#epp.default_encoding,
_ = set_encoding(NewF, DefEncoding),
- #epp{file=NewF,location=Loc,name=Pname,name2=Pname,delta=0,
+ #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, 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}]},
+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.
@@ -710,18 +717,20 @@ 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,uses=St#epp.uses},
- enter_file_reply(From, OldName, CurrLoc, CurrLoc),
+ enter_file_reply(From, OldName, Anno, CurrLoc, code),
case OldName2 =:= OldName of
true ->
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);
[] ->
@@ -818,9 +827,9 @@ 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) ->
@@ -910,10 +919,12 @@ 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]) ->
@@ -940,7 +951,7 @@ 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)
@@ -955,7 +966,7 @@ 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) ->
@@ -974,18 +985,18 @@ 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)
@@ -1088,11 +1099,12 @@ 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}}}),
@@ -1153,7 +1165,7 @@ 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) ->
@@ -1165,11 +1177,12 @@ 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)
@@ -1239,17 +1252,17 @@ 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]}});
@@ -1383,7 +1396,7 @@ 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, _}) ->
".";
@@ -1456,36 +1469,29 @@ 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
@@ -1525,14 +1531,15 @@ 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
@@ -1543,11 +1550,11 @@ 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) ->
[].
diff --git a/lib/stdlib/src/erl_anno.erl b/lib/stdlib/src/erl_anno.erl
new file mode 100644
index 0000000000..963b7278a6
--- /dev/null
+++ b/lib/stdlib/src/erl_anno.erl
@@ -0,0 +1,460 @@
+%%
+%% %CopyrightBegin%
+%%
+%% 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/.
+%%
+%% 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(erl_anno).
+
+-export([new/1, is_anno/1]).
+-export([column/1, end_location/1, file/1, generated/1,
+ line/1, location/1, record/1, text/1]).
+-export([set_file/2, set_generated/2, set_line/2, set_location/2,
+ set_record/2, set_text/2]).
+
+%% To be used when necessary to avoid Dialyzer warnings.
+-export([to_term/1, from_term/1]).
+
+-export_type([anno/0, line/0, column/0, location/0, text/0]).
+
+-export_type([anno_term/0]).
+
+-define(LN(L), is_integer(L)).
+-define(COL(C), (is_integer(C) andalso C >= 1)).
+
+%% Location.
+-define(LCOLUMN(C), ?COL(C)).
+-define(LLINE(L), ?LN(L)).
+
+%% Debug: define DEBUG to make sure that annotations are handled as an
+%% opaque type. Note that all abstract code need to be compiled with
+%% DEBUG=true. See also ./erl_pp.erl.
+
+%-define(DEBUG, true).
+
+-type annotation() :: {'file', filename()}
+ | {'generated', generated()}
+ | {'location', location()}
+ | {'record', record()}
+ | {'text', string()}.
+
+-type anno() :: location() | [annotation(), ...].
+-type anno_term() :: term().
+
+-type column() :: pos_integer().
+-type generated() :: boolean().
+-type filename() :: file:filename_all().
+-type line() :: integer().
+-type location() :: line() | {line(), column()}.
+-type record() :: boolean().
+-type text() :: string().
+
+-ifdef(DEBUG).
+%% Anything 'false' accepted by the compiler.
+-define(ALINE(A), is_reference(A)).
+-define(ACOLUMN(A), is_reference(A)).
+-else.
+-define(ALINE(L), ?LN(L)).
+-define(ACOLUMN(C), ?COL(C)).
+-endif.
+
+-spec to_term(Anno) -> anno_term() when
+ Anno :: anno().
+
+-ifdef(DEBUG).
+to_term(Anno) ->
+ simplify(Anno).
+-else.
+to_term(Anno) ->
+ Anno.
+-endif.
+
+-spec from_term(Term) -> Anno when
+ Term :: anno_term(),
+ Anno :: anno().
+
+-ifdef(DEBUG).
+from_term(Term) when is_list(Term) ->
+ Term;
+from_term(Term) ->
+ [{location, Term}].
+-else.
+from_term(Term) ->
+ Term.
+-endif.
+
+-spec new(Location) -> anno() when
+ Location :: location().
+
+new(Line) when ?LLINE(Line) ->
+ new_location(Line);
+new({Line, Column}=Loc) when ?LLINE(Line), ?LCOLUMN(Column) ->
+ new_location(Loc);
+new(Term) ->
+ erlang:error(badarg, [Term]).
+
+-ifdef(DEBUG).
+new_location(Location) ->
+ [{location, Location}].
+-else.
+new_location(Location) ->
+ Location.
+-endif.
+
+-spec is_anno(Term) -> boolean() when
+ Term :: any().
+
+is_anno(Line) when ?ALINE(Line) ->
+ true;
+is_anno({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ true;
+is_anno(Anno) ->
+ (Anno =/= [] andalso
+ is_anno1(Anno) andalso
+ lists:keymember(location, 1, Anno)).
+
+is_anno1([{Item, Value}|Anno]) ->
+ is_anno2(Item, Value) andalso is_anno1(Anno);
+is_anno1(A) ->
+ A =:= [].
+
+is_anno2(location, Line) when ?LN(Line) ->
+ true;
+is_anno2(location, {Line, Column}) when ?LN(Line), ?COL(Column) ->
+ true;
+is_anno2(generated, true) ->
+ true;
+is_anno2(file, Filename) ->
+ is_filename(Filename);
+is_anno2(record, true) ->
+ true;
+is_anno2(text, Text) ->
+ is_string(Text);
+is_anno2(_, _) ->
+ false.
+
+is_filename(T) ->
+ is_string(T) orelse is_binary(T).
+
+is_string(T) ->
+ try lists:all(fun(C) when is_integer(C), C >= 0 -> true end, T)
+ catch _:_ -> false
+ end.
+
+-spec column(Anno) -> column() | 'undefined' when
+ Anno :: anno().
+
+column({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ Column;
+column(Line) when ?ALINE(Line) ->
+ undefined;
+column(Anno) ->
+ case location(Anno) of
+ {_Line, Column} ->
+ Column;
+ _Line ->
+ undefined
+ end.
+
+-spec end_location(Anno) -> location() | 'undefined' when
+ Anno :: anno().
+
+end_location(Anno) ->
+ case text(Anno) of
+ undefined ->
+ undefined;
+ Text ->
+ case location(Anno) of
+ {Line, Column} ->
+ end_location(Text, Line, Column);
+ Line ->
+ end_location(Text, Line)
+ end
+ end.
+
+-spec file(Anno) -> filename() | 'undefined' when
+ Anno :: anno().
+
+file(Line) when ?ALINE(Line) ->
+ undefined;
+file({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ undefined;
+file(Anno) ->
+ anno_info(Anno, file).
+
+-spec generated(Anno) -> generated() when
+ Anno :: anno().
+
+generated(Line) when ?ALINE(Line) ->
+ Line =< 0;
+generated({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ Line =< 0;
+generated(Anno) ->
+ _ = anno_info(Anno, generated, false),
+ {location, Location} = lists:keyfind(location, 1, Anno),
+ case Location of
+ {Line, _Column} ->
+ Line =< 0;
+ Line ->
+ Line =< 0
+ end.
+
+-spec line(Anno) -> line() when
+ Anno :: anno().
+
+line(Anno) ->
+ case location(Anno) of
+ {Line, _Column} ->
+ Line;
+ Line ->
+ Line
+ end.
+
+-spec location(Anno) -> location() when
+ Anno :: anno().
+
+location(Line) when ?ALINE(Line) ->
+ abs(Line);
+location({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ {abs(Line), Column};
+location(Anno) ->
+ case anno_info(Anno, location) of
+ Line when Line < 0 ->
+ -Line;
+ {Line, Column} when Line < 0 ->
+ {-Line, Column};
+ Location ->
+ Location
+ end.
+
+-spec record(Anno) -> record() when
+ Anno :: anno().
+
+record(Line) when ?ALINE(Line) ->
+ false;
+record({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ false;
+record(Anno) ->
+ anno_info(Anno, record, false).
+
+-spec text(Anno) -> text() | 'undefined' when
+ Anno :: anno().
+
+text(Line) when ?ALINE(Line) ->
+ undefined;
+text({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) ->
+ undefined;
+text(Anno) ->
+ anno_info(Anno, text).
+
+-spec set_file(File, Anno) -> Anno when
+ File :: filename(),
+ Anno :: anno().
+
+set_file(File, Anno) ->
+ set(file, File, Anno).
+
+-spec set_generated(Generated, Anno) -> Anno when
+ Generated :: generated(),
+ Anno :: anno().
+
+set_generated(true, Line) when ?ALINE(Line) ->
+ -abs(Line);
+set_generated(false, Line) when ?ALINE(Line) ->
+ abs(Line);
+set_generated(true, {Line, Column}) when ?ALINE(Line),
+ ?ACOLUMN(Column) ->
+ {-abs(Line),Column};
+set_generated(false, {Line, Column}) when ?ALINE(Line),
+ ?ACOLUMN(Column) ->
+ {abs(Line),Column};
+set_generated(Generated, Anno) ->
+ _ = set(generated, Generated, Anno),
+ {location, Location} = lists:keyfind(location, 1, Anno),
+ NewLocation =
+ case Location of
+ {Line, Column} when Generated ->
+ {-abs(Line), Column};
+ {Line, Column} when not Generated ->
+ {abs(Line), Column};
+ Line when Generated ->
+ -abs(Line);
+ Line when not Generated ->
+ abs(Line)
+ end,
+ lists:keyreplace(location, 1, Anno, {location, NewLocation}).
+
+-spec set_line(Line, Anno) -> Anno when
+ Line :: line(),
+ Anno :: anno().
+
+set_line(Line, Anno) ->
+ case location(Anno) of
+ {_Line, Column} ->
+ set_location({Line, Column}, Anno);
+ _Line ->
+ set_location(Line, Anno)
+ end.
+
+-spec set_location(Location, Anno) -> Anno when
+ Location :: location(),
+ Anno :: anno().
+
+set_location(Line, L) when ?ALINE(L), ?LLINE(Line) ->
+ new_location(fix_line(Line, L));
+set_location(Line, {L, Column}) when ?ALINE(L), ?ACOLUMN(Column),
+ ?LLINE(Line) ->
+ new_location(fix_line(Line, L));
+set_location({L, C}=Loc, Line) when ?ALINE(Line), ?LLINE(L), ?LCOLUMN(C) ->
+ new_location(fix_location(Loc, Line));
+set_location({L, C}=Loc, {Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column),
+ ?LLINE(L), ?LCOLUMN(C) ->
+ new_location(fix_location(Loc, Line));
+set_location(Location, Anno) ->
+ _ = set(location, Location, Anno),
+ {location, OldLocation} = lists:keyfind(location, 1, Anno),
+ NewLocation =
+ case {Location, OldLocation} of
+ {{_Line, _Column}=Loc, {L, _C}} ->
+ fix_location(Loc, L);
+ {Line, {L, _C}} ->
+ fix_line(Line, L);
+ {{_Line, _Column}=Loc, L} ->
+ fix_location(Loc, L);
+ {Line, L} ->
+ fix_line(Line, L)
+ end,
+ lists:keyreplace(location, 1, Anno, {location, NewLocation}).
+
+fix_location({Line, Column}, OldLine) ->
+ {fix_line(Line, OldLine), Column}.
+
+fix_line(Line, OldLine) when OldLine < 0, Line > 0 ->
+ -Line;
+fix_line(Line, _OldLine) ->
+ Line.
+
+-spec set_record(Record, Anno) -> Anno when
+ Record :: record(),
+ Anno :: anno().
+
+set_record(Record, Anno) ->
+ set(record, Record, Anno).
+
+-spec set_text(Text, Anno) -> Anno when
+ Text :: text(),
+ Anno :: anno().
+
+set_text(Text, Anno) ->
+ set(text, Text, Anno).
+
+set(Item, Value, Anno) ->
+ case {is_settable(Item, Value), Anno} of
+ {true, Line} when ?ALINE(Line) ->
+ set_anno(Item, Value, [{location, Line}]);
+ {true, {L, C}=Location} when ?ALINE(L), ?ACOLUMN(C) ->
+ set_anno(Item, Value, [{location, Location}]);
+ {true, A} when is_list(A), A =/= [] ->
+ set_anno(Item, Value, Anno);
+ _ ->
+ erlang:error(badarg, [Item, Value, Anno])
+ end.
+
+set_anno(Item, Value, Anno) ->
+ case default(Item, Value) of
+ true ->
+ reset(Anno, Item);
+ false ->
+ R = case anno_info(Anno, Item) of
+ undefined ->
+ [{Item, Value}|Anno];
+ _ ->
+ lists:keyreplace(Item, 1, Anno, {Item, Value})
+ end,
+ simplify(R)
+ end.
+
+reset(Anno, Item) ->
+ A = lists:keydelete(Item, 1, Anno),
+ reset_simplify(A).
+
+-ifdef(DEBUG).
+reset_simplify(A) ->
+ A.
+-else.
+reset_simplify(A) ->
+ simplify(A).
+-endif.
+
+simplify([{location, Location}]) ->
+ Location;
+simplify(Anno) ->
+ Anno.
+
+anno_info(Anno, Item, Default) ->
+ try lists:keyfind(Item, 1, Anno) of
+ false ->
+ Default;
+ {Item, Value} ->
+ Value
+ catch
+ _:_ ->
+ erlang:error(badarg, [Anno])
+ end.
+
+anno_info(Anno, Item) ->
+ try lists:keyfind(Item, 1, Anno) of
+ {Item, Value} ->
+ Value;
+ false ->
+ undefined
+ catch
+ _:_ ->
+ erlang:error(badarg, [Anno])
+ end.
+
+end_location("", Line, Column) ->
+ {Line, Column};
+end_location([$\n|String], Line, _Column) ->
+ end_location(String, Line+1, 1);
+end_location([_|String], Line, Column) ->
+ end_location(String, Line, Column+1).
+
+end_location("", Line) ->
+ Line;
+end_location([$\n|String], Line) ->
+ end_location(String, Line+1);
+end_location([_|String], Line) ->
+ end_location(String, Line).
+
+is_settable(file, File) ->
+ is_filename(File);
+is_settable(generated, Boolean) when Boolean; not Boolean ->
+ true;
+is_settable(location, Line) when ?LLINE(Line) ->
+ true;
+is_settable(location, {Line, Column}) when ?LLINE(Line), ?LCOLUMN(Column) ->
+ true;
+is_settable(record, Boolean) when Boolean; not Boolean ->
+ true;
+is_settable(text, Text) ->
+ is_string(Text);
+is_settable(_, _) ->
+ false.
+
+default(generated, false) -> true;
+default(record, false) -> true;
+default(_, _) -> false.
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index e86e10b170..39f833009f 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -1,7 +1,7 @@
%%
%% %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
@@ -479,12 +479,13 @@ expr({value,_,Val}, Bs, _Lf, _Ef, RBs) -> % Special case straight values.
find_maxline(LC) ->
put('$erl_eval_max_line', 0),
- F = fun(L) ->
+ F = fun(A) ->
+ L = erl_anno:line(A),
case is_integer(L) and (L > get('$erl_eval_max_line')) of
true -> put('$erl_eval_max_line', L);
false -> ok
end end,
- _ = erl_lint:modify_line(LC, F),
+ _ = erl_parse:map_anno(F, LC),
erase('$erl_eval_max_line').
hide_calls(LC, MaxLine) ->
@@ -494,14 +495,16 @@ hide_calls(LC, MaxLine) ->
%% v/1 and local calls are hidden.
hide({value,L,V}, Id, D) ->
- {{atom,Id,ok}, Id+1, dict:store(Id, {value,L,V}, D)};
+ A = erl_anno:new(Id),
+ {{atom,A,ok}, Id+1, dict:store(Id, {value,L,V}, D)};
hide({call,L,{atom,_,N}=Atom,Args}, Id0, D0) ->
{NArgs, Id, D} = hide(Args, Id0, D0),
C = case erl_internal:bif(N, length(Args)) of
true ->
{call,L,Atom,NArgs};
false ->
- {call,Id,{remote,L,{atom,L,m},{atom,L,f}},NArgs}
+ A = erl_anno:new(Id),
+ {call,A,{remote,L,{atom,L,m},{atom,L,f}},NArgs}
end,
{C, Id+1, dict:store(Id, {call,Atom}, D)};
hide(T0, Id0, D0) when is_tuple(T0) ->
@@ -514,11 +517,23 @@ hide([E0 | Es0], Id0, D0) ->
hide(E, Id, D) ->
{E, Id, D}.
-unhide_calls({atom,Id,ok}, MaxLine, D) when Id > MaxLine ->
- dict:fetch(Id, D);
-unhide_calls({call,Id,{remote,L,_M,_F},Args}, MaxLine, D) when Id > MaxLine ->
- {call,Atom} = dict:fetch(Id, D),
- {call,L,Atom,unhide_calls(Args, MaxLine, D)};
+unhide_calls({atom,A,ok}=E, MaxLine, D) ->
+ L = erl_anno:line(A),
+ if
+ L > MaxLine ->
+ dict:fetch(L, D);
+ true ->
+ E
+ end;
+unhide_calls({call,A,{remote,L,{atom,L,m},{atom,L,f}}=F,Args}, MaxLine, D) ->
+ Line = erl_anno:line(A),
+ if
+ Line > MaxLine ->
+ {call,Atom} = dict:fetch(Line, D),
+ {call,L,Atom,unhide_calls(Args, MaxLine, D)};
+ true ->
+ {call,A,F,unhide_calls(Args, MaxLine, D)}
+ end;
unhide_calls(T, MaxLine, D) when is_tuple(T) ->
list_to_tuple(unhide_calls(tuple_to_list(T), MaxLine, D));
unhide_calls([E | Es], MaxLine, D) ->
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index dc74d611a3..0d3debae22 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2015. 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
@@ -38,8 +38,6 @@
checked_ra=[] % successfully accessed records
}).
--define(REC_OFFSET, 100000000). % A hundred millions. Also in v3_core.
-
-spec(module(AbsForms, CompileOptions) -> AbsForms when
AbsForms :: [erl_parse:abstract_form()],
CompileOptions :: [compile:option()]).
@@ -149,7 +147,7 @@ pattern({record_index,Line,Name,Field}, St) ->
pattern({record,Line0,Name,Pfs}, St0) ->
Fs = record_fields(Name, St0),
{TMs,St1} = pattern_list(pattern_fields(Fs, Pfs), St0),
- Line = record_offset(Line0, St1),
+ Line = mark_record(Line0, St1),
{{tuple,Line,[{atom,Line0,Name} | TMs]},St1};
pattern({bin,Line,Es0}, St0) ->
{Es1,St1} = pattern_bin(Es0, St0),
@@ -243,7 +241,7 @@ record_test_in_guard(Line, Term, Name, St) ->
expr({atom,Line,false}, St);
false ->
Fs = record_fields(Name, St),
- NLine = neg_line(Line),
+ NLine = no_compiler_warning(Line),
expr({call,NLine,{remote,NLine,{atom,NLine,erlang},{atom,NLine,is_record}},
[Term,{atom,Line,Name},{integer,Line,length(Fs)+1}]},
St)
@@ -269,7 +267,7 @@ record_test_in_body(Line, Expr, Name, St0) ->
%% evaluate to a tuple properly.
Fs = record_fields(Name, St0),
{Var,St} = new_var(Line, St0),
- NLine = neg_line(Line),
+ NLine = no_compiler_warning(Line),
expr({block,Line,
[{match,Line,Var,Expr},
{call,NLine,{remote,NLine,{atom,NLine,erlang},
@@ -333,7 +331,7 @@ expr({record_index,Line,Name,F}, St) ->
I = index_expr(Line, F, Name, record_fields(Name, St)),
expr(I, St);
expr({record,Line0,Name,Is}, St) ->
- Line = record_offset(Line0, St),
+ Line = mark_record(Line0, St),
expr({tuple,Line,[{atom,Line0,Name} |
record_inits(record_fields(Name, St), Is)]},
St);
@@ -459,7 +457,7 @@ strict_record_access(E0, St0) ->
conj([], _E) ->
empty;
conj([{{Name,_Rp},L,R,Sz} | AL], E) ->
- NL = neg_line(L),
+ NL = no_compiler_warning(L),
T1 = {op,NL,'orelse',
{call,NL,
{remote,NL,{atom,NL,erlang},{atom,NL,is_record}},
@@ -575,8 +573,8 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) ->
Fs = record_fields(Name, St),
I = index_expr(F, Fs, 2),
P = record_pattern(2, I, Var, length(Fs)+1, Line, [{atom,Line,Name}]),
- NLine = neg_line(Line),
- RLine = record_offset(NLine, St),
+ NLine = no_compiler_warning(Line),
+ RLine = mark_record(NLine, St),
E = {'case',NLine,R,
[{clause,NLine,[{tuple,RLine,P}],[],[Var]},
{clause,NLine,[{var,NLine,'_'}],[],
@@ -590,7 +588,8 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) ->
I = index_expr(Line, Index, Name, Fs),
{ExpR,St1} = expr(R, St0),
%% Just to make comparison simple:
- ExpRp = erl_lint:modify_line(ExpR, fun(_L) -> 0 end),
+ A0 = erl_anno:new(0),
+ ExpRp = erl_parse:map_anno(fun(_A) -> A0 end, ExpR),
RA = {{Name,ExpRp},Line,ExpR,length(Fs)+1},
St2 = St1#exprec{strict_ra = [RA | St1#exprec.strict_ra]},
{{call,Line,
@@ -691,8 +690,8 @@ record_update(R, Name, Fs, Us0, St0) ->
record_match(R, Name, Lr, Fs, Us, St0) ->
{Ps,News,St1} = record_upd_fs(Fs, Us, St0),
- NLr = neg_line(Lr),
- RLine = record_offset(Lr, St1),
+ NLr = no_compiler_warning(Lr),
+ RLine = mark_record(Lr, St1),
{{'case',Lr,R,
[{clause,Lr,[{tuple,RLine,[{atom,Lr,Name} | Ps]}],[],
[{tuple,RLine,[{atom,Lr,Name} | News]}]},
@@ -723,8 +722,8 @@ record_setel(R, Name, Fs, Us0) ->
Us = [T || {_,T} <- Us2],
Lr = element(2, hd(Us)),
Wildcards = duplicate(length(Fs), {var,Lr,'_'}),
- NLr = neg_line(Lr),
- %% Note: calling record_offset() here is not necessary since it is
+ NLr = no_compiler_warning(Lr),
+ %% Note: calling mark_record() here is not necessary since it is
%% targeted at Dialyzer which always calls the compiler with
%% 'strict_record_updates' meaning that record_setel() will never
%% be called.
@@ -956,12 +955,11 @@ opt_remove_2({call,Line,{atom,_,is_record},
end;
opt_remove_2(A, _) -> A.
-neg_line(L) ->
- erl_parse:set_line(L, fun(Line) -> -abs(Line) end).
+no_compiler_warning(Anno) ->
+ erl_anno:set_generated(true, Anno).
-record_offset(L, St) ->
+mark_record(Anno, St) ->
case lists:member(dialyzer, St#exprec.compile) of
- true when L >= 0 -> L+?REC_OFFSET;
- true when L < 0 -> L-?REC_OFFSET;
- false -> L
+ true -> erl_anno:set_record(true, Anno);
+ false -> Anno
end.
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index cbe6eeec3c..821d81a6b4 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -34,6 +34,8 @@
-import(lists, [member/2,map/2,foldl/3,foldr/3,mapfoldl/3,all/2,reverse/1]).
+-deprecated([{modify_line, 2, next_major_release}]).
+
%% bool_option(OnOpt, OffOpt, Default, Options) -> boolean().
%% value_option(Flag, Default, Options) -> Value.
%% value_option(Flag, Default, OnOpt, OnVal, OffOpt, OffVal, Options) ->
@@ -76,7 +78,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
%%-define(DEBUGF(X,Y), io:format(X, Y)).
-define(DEBUGF(X,Y), void).
--type line() :: erl_scan:line(). % a convenient alias
+-type line() :: erl_anno:line(). % a convenient alias
-type fa() :: {atom(), arity()}. % function+arity
-type ta() :: {atom(), arity()}. % type+arity
@@ -111,7 +113,8 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
defined=gb_sets:empty() %Defined fuctions
:: gb_sets:set(fa()),
on_load=[] :: [fa()], %On-load function
- on_load_line=0 :: line(), %Line for on_load
+ on_load_line=erl_anno:new(0) %Line for on_load
+ :: erl_anno:anno(),
clashes=[], %Exported functions named as BIFs
not_deprecated=[], %Not considered deprecated
func=[], %Current function
@@ -140,7 +143,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
-type lint_state() :: #lint{}.
-type error_description() :: term().
--type error_info() :: {erl_scan:line(), module(), error_description()}.
+-type error_info() :: {erl_anno:line(), module(), error_description()}.
%% format_error(Error)
%% Return a string describing the error.
@@ -227,6 +230,8 @@ format_error({deprecated, MFA, ReplacementMFA, Rel}) ->
[format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]);
format_error({deprecated, {M1, F1, A1}, String}) when is_list(String) ->
io_lib:format("~p:~p/~p: ~s", [M1, F1, A1, String]);
+format_error({deprecated_type, {M1, F1, A1}, String}) when is_list(String) ->
+ io_lib:format("~p:~p~s: ~s", [M1, F1, gen_type_paren(A1), String]);
format_error({removed, MFA, ReplacementMFA, Rel}) ->
io_lib:format("call to ~s will fail, since it was removed in ~s; "
"use ~s", [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]);
@@ -425,13 +430,13 @@ exprs(Exprs, BindingsList) ->
exprs_opt(Exprs, BindingsList, Opts) ->
{St0,Vs} = foldl(fun({{record,_SequenceNumber,_Name},Attr0}, {St1,Vs1}) ->
- Attr = zip_file_and_line(Attr0, "none"),
+ Attr = set_file(Attr0, "none"),
{attribute_state(Attr, St1),Vs1};
({V,_}, {St1,Vs1}) ->
{St1,[{V,{bound,unused,[]}} | Vs1]}
end, {start("nofile",Opts),[]}, BindingsList),
Vt = orddict:from_list(Vs),
- {_Evt,St} = exprs(zip_file_and_line(Exprs, "nofile"), Vt, St0),
+ {_Evt,St} = exprs(set_file(Exprs, "nofile"), Vt, St0),
return_status(St).
used_vars(Exprs, BindingsList) ->
@@ -439,7 +444,7 @@ used_vars(Exprs, BindingsList) ->
({V,_Val}, Vs0) -> [{V,{bound,unused,[]}} | Vs0]
end, [], BindingsList),
Vt = orddict:from_list(Vs),
- {Evt,_St} = exprs(zip_file_and_line(Exprs, "nofile"), Vt, start()),
+ {Evt,_St} = exprs(set_file(Exprs, "nofile"), Vt, start()),
{ok, foldl(fun({V,{_,used,_}}, L) -> [V | L];
(_, L) -> L
end, [], Evt)}.
@@ -605,8 +610,8 @@ pack_warnings(Ws) ->
add_error(E, St) -> St#lint{errors=[{St#lint.file,E}|St#lint.errors]}.
-add_error(FileLine, E, St) ->
- {File,Location} = loc(FileLine),
+add_error(Anno, E, St) ->
+ {File,Location} = loc(Anno),
add_error({Location,erl_lint,E}, St#lint{file = File}).
add_warning(W, St) -> St#lint{warnings=[{St#lint.file,W}|St#lint.warnings]}.
@@ -615,22 +620,19 @@ add_warning(FileLine, W, St) ->
{File,Location} = loc(FileLine),
add_warning({Location,erl_lint,W}, St#lint{file = File}).
-loc(L) ->
- case erl_parse:get_attribute(L, location) of
- {location,{{File,Line},Column}} ->
- {File,{Line,Column}};
- {location,{File,Line}} ->
- {File,Line}
- end.
+loc(Anno) ->
+ File = erl_anno:file(Anno),
+ Location = erl_anno:location(Anno),
+ {File,Location}.
%% forms([Form], State) -> State'
forms(Forms0, St0) ->
Forms = eval_file_attribute(Forms0, St0),
+ %% Annotations from now on include the 'file' item.
Locals = local_functions(Forms),
AutoImportSuppressed = auto_import_suppressed(St0#lint.compile),
StDeprecated = disallowed_compile_flags(Forms,St0),
- %% Line numbers are from now on pairs {File,Line}.
St1 = includes_qlc_hrl(Forms, StDeprecated#lint{locals = Locals,
no_auto = AutoImportSuppressed}),
St2 = bif_clashes(Forms, St1),
@@ -666,15 +668,14 @@ eval_file_attribute(Forms, St) ->
eval_file_attr([{attribute,_L,file,{File,_Line}}=Form | Forms], _File) ->
[Form | eval_file_attr(Forms, File)];
eval_file_attr([Form0 | Forms], File) ->
- Form = zip_file_and_line(Form0, File),
+ Form = set_file(Form0, File),
[Form | eval_file_attr(Forms, File)];
eval_file_attr([], _File) ->
[].
-zip_file_and_line(T, File) ->
- F0 = fun(Line) -> {File,Line} end,
- F = fun(L) -> erl_parse:set_line(L, F0) end,
- modify_line(T, F).
+set_file(T, File) ->
+ F = fun(Anno) -> erl_anno:set_file(File, Anno) end,
+ erl_parse:map_anno(F, T).
%% form(Form, State) -> State'
%% Check a form returning the updated State. Handle generic cases here.
@@ -796,9 +797,11 @@ not_deprecated(Forms, St0) ->
disallowed_compile_flags(Forms, St0) ->
%% There are (still) no line numbers in St0#lint.compile.
Errors0 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} ||
- {attribute,[{line,{_,L}}],compile,nowarn_bif_clash} <- Forms ],
+ {attribute,A,compile,nowarn_bif_clash} <- Forms,
+ {_,L} <- [loc(A)] ],
Errors1 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} ||
- {attribute,[{line,{_,L}}],compile,{nowarn_bif_clash, {_,_}}} <- Forms ],
+ {attribute,A,compile,{nowarn_bif_clash, {_,_}}} <- Forms,
+ {_,L} <- [loc(A)] ],
Disabled = (not is_warn_enabled(bif_clash, St0)),
Errors = if
Disabled andalso Errors0 =:= [] ->
@@ -1299,7 +1302,7 @@ imported(F, A, St) ->
error -> no
end.
--spec on_load(line(), fa(), lint_state()) -> lint_state().
+-spec on_load(erl_anno:anno(), fa(), lint_state()) -> lint_state().
%% Check an on_load directive and remember it.
on_load(Line, {Name,Arity}=Fa, #lint{on_load=OnLoad0}=St0)
@@ -1954,10 +1957,10 @@ is_guard_test(E) ->
is_guard_test(Expression, Forms) ->
RecordAttributes = [A || A = {attribute, _, record, _D} <- Forms],
St0 = foldl(fun(Attr0, St1) ->
- Attr = zip_file_and_line(Attr0, "none"),
+ Attr = set_file(Attr0, "none"),
attribute_state(Attr, St1)
end, start(), RecordAttributes),
- is_guard_test2(zip_file_and_line(Expression, "nofile"), St0#lint.records).
+ is_guard_test2(set_file(Expression, "nofile"), St0#lint.records).
%% is_guard_test2(Expression, RecordDefs :: dict:dict()) -> boolean().
is_guard_test2({call,Line,{atom,Lr,record},[E,A]}, RDs) ->
@@ -2619,7 +2622,7 @@ type_def(_Attr, _Line, {record, _RecName}, Fields, [], St0) ->
%% The record field names and such are checked in the record format.
%% We only need to check the types.
Types = [T || {typed_record_field, _, T} <- Fields],
- check_type({type, -1, product, Types}, St0);
+ check_type({type, nowarn(), product, Types}, St0);
type_def(Attr, Line, TypeName, ProtoType, Args, St0) ->
TypeDefs = St0#lint.types,
Arity = length(Args),
@@ -2628,7 +2631,7 @@ type_def(Attr, Line, TypeName, ProtoType, Args, St0) ->
StoreType =
fun(St) ->
NewDefs = dict:store(TypePair, Info, TypeDefs),
- CheckType = {type, -1, product, [ProtoType|Args]},
+ CheckType = {type, nowarn(), product, [ProtoType|Args]},
check_type(CheckType, St#lint{types=NewDefs})
end,
case is_default_type(TypePair) of
@@ -2684,7 +2687,9 @@ check_type({ann_type, _L, [_Var, Type]}, SeenVars, St) ->
check_type({paren_type, _L, [Type]}, SeenVars, St) ->
check_type(Type, SeenVars, St);
check_type({remote_type, L, [{atom, _, Mod}, {atom, _, Name}, Args]},
- SeenVars, #lint{module=CurrentMod} = St) ->
+ SeenVars, St0) ->
+ St = deprecated_type(L, Mod, Name, Args, St0),
+ CurrentMod = St#lint.module,
case Mod =:= CurrentMod of
true -> check_type({user_type, L, Name, Args}, SeenVars, St);
false ->
@@ -2712,7 +2717,7 @@ check_type({type, L, 'fun', [Dom, Range]}, SeenVars, St) ->
{type, _, any} -> St;
_ -> add_error(L, {type_syntax, 'fun'}, St)
end,
- check_type({type, -1, product, [Dom, Range]}, SeenVars, St1);
+ check_type({type, nowarn(), product, [Dom, Range]}, SeenVars, St1);
check_type({type, L, range, [From, To]}, SeenVars, St) ->
St1 =
case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of
@@ -2729,7 +2734,7 @@ check_type({type, _L, map, Pairs}, SeenVars, St) ->
check_type(Pair, AccSeenVars, AccSt)
end, {SeenVars, St}, Pairs);
check_type({type, _L, map_field_assoc, [Dom, Range]}, SeenVars, St) ->
- check_type({type, -1, product, [Dom, Range]}, SeenVars, St);
+ check_type({type, nowarn(), product, [Dom, Range]}, SeenVars, St);
check_type({type, _L, tuple, any}, SeenVars, St) -> {SeenVars, St};
check_type({type, _L, any}, SeenVars, St) -> {SeenVars, St};
check_type({type, L, binary, [Base, Unit]}, SeenVars, St) ->
@@ -2772,7 +2777,7 @@ check_type({type, La, TypeName, Args}, SeenVars, St) ->
end;
_ -> St
end,
- check_type({type, -1, product, Args}, SeenVars, St1);
+ check_type({type, nowarn(), product, Args}, SeenVars, St1);
check_type({user_type, L, TypeName, Args}, SeenVars, St) ->
Arity = length(Args),
TypePair = {TypeName, Arity},
@@ -2919,11 +2924,16 @@ check_specs([FunType|Left], Arity, St0) ->
true -> St0;
false -> add_error(L, spec_wrong_arity, St0)
end,
- St2 = check_type({type, -1, product, [FunType1|CTypes]}, St1),
+ St2 = check_type({type, nowarn(), product, [FunType1|CTypes]}, St1),
check_specs(Left, Arity, St2);
check_specs([], _Arity, St) ->
St.
+nowarn() ->
+ A0 = erl_anno:new(0),
+ A1 = erl_anno:set_generated(true, A0),
+ erl_anno:set_file("", A1).
+
check_specs_without_function(#lint{module=Mod,defined=Funcs,specs=Specs}=St) ->
Fun = fun({M, F, A}, Line, AccSt) when M =:= Mod ->
FA = {F, A},
@@ -3452,58 +3462,15 @@ vt_no_unused(Vt) -> [V || {_,{_,U,_L}}=V <- Vt, U =/= unused].
%% copy_expr(Expr, Line) -> Expr.
%% Make a copy of Expr converting all line numbers to Line.
-copy_expr(Expr, Line) ->
- modify_line(Expr, fun(_L) -> Line end).
+copy_expr(Expr, Anno) ->
+ erl_parse:map_anno(fun(_A) -> Anno end, Expr).
%% modify_line(Form, Fun) -> Form
%% modify_line(Expression, Fun) -> Expression
%% Applies Fun to each line number occurrence.
modify_line(T, F0) ->
- modify_line1(T, F0).
-
-%% Forms.
-modify_line1({function,F,A}, _Mf) -> {function,F,A};
-modify_line1({function,M,F,A}, Mf) ->
- {function,modify_line1(M, Mf),modify_line1(F, Mf),modify_line1(A, Mf)};
-modify_line1({attribute,L,record,{Name,Fields}}, Mf) ->
- {attribute,Mf(L),record,{Name,modify_line1(Fields, Mf)}};
-modify_line1({attribute,L,spec,{Fun,Types}}, Mf) ->
- {attribute,Mf(L),spec,{Fun,modify_line1(Types, Mf)}};
-modify_line1({attribute,L,callback,{Fun,Types}}, Mf) ->
- {attribute,Mf(L),callback,{Fun,modify_line1(Types, Mf)}};
-modify_line1({attribute,L,type,{TypeName,TypeDef,Args}}, Mf) ->
- {attribute,Mf(L),type,{TypeName,modify_line1(TypeDef, Mf),
- modify_line1(Args, Mf)}};
-modify_line1({attribute,L,opaque,{TypeName,TypeDef,Args}}, Mf) ->
- {attribute,Mf(L),opaque,{TypeName,modify_line1(TypeDef, Mf),
- modify_line1(Args, Mf)}};
-modify_line1({attribute,L,Attr,Val}, Mf) -> {attribute,Mf(L),Attr,Val};
-modify_line1({warning,W}, _Mf) -> {warning,W};
-modify_line1({error,W}, _Mf) -> {error,W};
-%% Expressions.
-modify_line1({clauses,Cs}, Mf) -> {clauses,modify_line1(Cs, Mf)};
-modify_line1({typed_record_field,Field,Type}, Mf) ->
- {typed_record_field,modify_line1(Field, Mf),modify_line1(Type, Mf)};
-modify_line1({Tag,L}, Mf) -> {Tag,Mf(L)};
-modify_line1({Tag,L,E1}, Mf) ->
- {Tag,Mf(L),modify_line1(E1, Mf)};
-modify_line1({Tag,L,E1,E2}, Mf) ->
- {Tag,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf)};
-modify_line1({bin_element,L,E1,E2,TSL}, Mf) ->
- {bin_element,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf), TSL};
-modify_line1({Tag,L,E1,E2,E3}, Mf) ->
- {Tag,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf),modify_line1(E3, Mf)};
-modify_line1({Tag,L,E1,E2,E3,E4}, Mf) ->
- {Tag,Mf(L),
- modify_line1(E1, Mf),
- modify_line1(E2, Mf),
- modify_line1(E3, Mf),
- modify_line1(E4, Mf)};
-modify_line1([H|T], Mf) ->
- [modify_line1(H, Mf)|modify_line1(T, Mf)];
-modify_line1([], _Mf) -> [];
-modify_line1(E, _Mf) when not is_tuple(E), not is_list(E) -> E.
+ erl_parse:map_anno(F0, T).
%% Check a record_info call. We have already checked that it is not
%% shadowed by an import.
@@ -3573,6 +3540,20 @@ deprecated_function(Line, M, F, As, St) ->
St
end.
+deprecated_type(L, M, N, As, St) ->
+ NAs = length(As),
+ case otp_internal:obsolete_type(M, N, NAs) of
+ {deprecated, String} when is_list(String) ->
+ case is_warn_enabled(deprecated_type, St) of
+ true ->
+ add_warning(L, {deprecated_type, {M,N,NAs}, String}, St);
+ false ->
+ St
+ end;
+ no ->
+ St
+ end.
+
obsolete_guard({call,Line,{atom,Lr,F},As}, St0) ->
Arity = length(As),
case erl_internal:old_type_test(F, Arity) of
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 3502a50eaa..e328e065e3 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -92,7 +92,7 @@ spec_fun -> atom ':' atom '/' integer '::' : {'$1', '$3', '$5'}.
typed_attr_val -> expr ',' typed_record_fields : {typed_record, '$1', '$3'}.
typed_attr_val -> expr '::' top_type : {type_def, '$1', '$3'}.
-typed_record_fields -> '{' typed_exprs '}' : {tuple, ?line('$1'), '$2'}.
+typed_record_fields -> '{' typed_exprs '}' : {tuple, ?anno('$1'), '$2'}.
typed_exprs -> typed_expr : ['$1'].
typed_exprs -> typed_expr ',' typed_exprs : ['$1'|'$3'].
@@ -105,26 +105,26 @@ type_sigs -> type_sig : ['$1'].
type_sigs -> type_sig ';' type_sigs : ['$1'|'$3'].
type_sig -> fun_type : '$1'.
-type_sig -> fun_type 'when' type_guards : {type, ?line('$1'), bounded_fun,
+type_sig -> fun_type 'when' type_guards : {type, ?anno('$1'), bounded_fun,
['$1','$3']}.
type_guards -> type_guard : ['$1'].
type_guards -> type_guard ',' type_guards : ['$1'|'$3'].
-type_guard -> atom '(' top_types ')' : {type, ?line('$1'), constraint,
+type_guard -> atom '(' top_types ')' : {type, ?anno('$1'), constraint,
['$1', '$3']}.
type_guard -> var '::' top_type : build_def('$1', '$3').
top_types -> top_type : ['$1'].
top_types -> top_type ',' top_types : ['$1'|'$3'].
-top_type -> var '::' top_type_100 : {ann_type, ?line('$1'), ['$1','$3']}.
+top_type -> var '::' top_type_100 : {ann_type, ?anno('$1'), ['$1','$3']}.
top_type -> top_type_100 : '$1'.
top_type_100 -> type_200 : '$1'.
top_type_100 -> type_200 '|' top_type_100 : lift_unions('$1','$3').
-type_200 -> type_300 '..' type_300 : {type, ?line('$1'), range,
+type_200 -> type_300 '..' type_300 : {type, ?anno('$1'), range,
[skip_paren('$1'),
skip_paren('$3')]}.
type_200 -> type_300 : '$1'.
@@ -140,61 +140,61 @@ type_400 -> type_500 : '$1'.
type_500 -> prefix_op type : ?mkop1('$1', skip_paren('$2')).
type_500 -> type : '$1'.
-type -> '(' top_type ')' : {paren_type, ?line('$2'), ['$2']}.
+type -> '(' top_type ')' : {paren_type, ?anno('$2'), ['$2']}.
type -> var : '$1'.
type -> atom : '$1'.
type -> atom '(' ')' : build_gen_type('$1').
type -> atom '(' top_types ')' : build_type('$1', '$3').
-type -> atom ':' atom '(' ')' : {remote_type, ?line('$1'),
+type -> atom ':' atom '(' ')' : {remote_type, ?anno('$1'),
['$1', '$3', []]}.
-type -> atom ':' atom '(' top_types ')' : {remote_type, ?line('$1'),
+type -> atom ':' atom '(' top_types ')' : {remote_type, ?anno('$1'),
['$1', '$3', '$5']}.
-type -> '[' ']' : {type, ?line('$1'), nil, []}.
-type -> '[' top_type ']' : {type, ?line('$1'), list, ['$2']}.
-type -> '[' top_type ',' '...' ']' : {type, ?line('$1'),
+type -> '[' ']' : {type, ?anno('$1'), nil, []}.
+type -> '[' top_type ']' : {type, ?anno('$1'), list, ['$2']}.
+type -> '[' top_type ',' '...' ']' : {type, ?anno('$1'),
nonempty_list, ['$2']}.
-type -> '#' '{' '}' : {type, ?line('$1'), map, []}.
-type -> '#' '{' map_pair_types '}' : {type, ?line('$1'), map, '$3'}.
-type -> '{' '}' : {type, ?line('$1'), tuple, []}.
-type -> '{' top_types '}' : {type, ?line('$1'), tuple, '$2'}.
-type -> '#' atom '{' '}' : {type, ?line('$1'), record, ['$2']}.
-type -> '#' atom '{' field_types '}' : {type, ?line('$1'),
+type -> '#' '{' '}' : {type, ?anno('$1'), map, []}.
+type -> '#' '{' map_pair_types '}' : {type, ?anno('$1'), map, '$3'}.
+type -> '{' '}' : {type, ?anno('$1'), tuple, []}.
+type -> '{' top_types '}' : {type, ?anno('$1'), tuple, '$2'}.
+type -> '#' atom '{' '}' : {type, ?anno('$1'), record, ['$2']}.
+type -> '#' atom '{' field_types '}' : {type, ?anno('$1'),
record, ['$2'|'$4']}.
type -> binary_type : '$1'.
type -> integer : '$1'.
-type -> 'fun' '(' ')' : {type, ?line('$1'), 'fun', []}.
+type -> 'fun' '(' ')' : {type, ?anno('$1'), 'fun', []}.
type -> 'fun' '(' fun_type_100 ')' : '$3'.
fun_type_100 -> '(' '...' ')' '->' top_type
- : {type, ?line('$1'), 'fun',
- [{type, ?line('$1'), any}, '$5']}.
+ : {type, ?anno('$1'), 'fun',
+ [{type, ?anno('$1'), any}, '$5']}.
fun_type_100 -> fun_type : '$1'.
-fun_type -> '(' ')' '->' top_type : {type, ?line('$1'), 'fun',
- [{type, ?line('$1'), product, []}, '$4']}.
+fun_type -> '(' ')' '->' top_type : {type, ?anno('$1'), 'fun',
+ [{type, ?anno('$1'), product, []}, '$4']}.
fun_type -> '(' top_types ')' '->' top_type
- : {type, ?line('$1'), 'fun',
- [{type, ?line('$1'), product, '$2'},'$5']}.
+ : {type, ?anno('$1'), 'fun',
+ [{type, ?anno('$1'), product, '$2'},'$5']}.
map_pair_types -> map_pair_type : ['$1'].
map_pair_types -> map_pair_type ',' map_pair_types : ['$1'|'$3'].
-map_pair_type -> top_type '=>' top_type : {type, ?line('$2'), map_field_assoc,['$1','$3']}.
+map_pair_type -> top_type '=>' top_type : {type, ?anno('$2'), map_field_assoc,['$1','$3']}.
field_types -> field_type : ['$1'].
field_types -> field_type ',' field_types : ['$1'|'$3'].
-field_type -> atom '::' top_type : {type, ?line('$1'), field_type,
+field_type -> atom '::' top_type : {type, ?anno('$1'), field_type,
['$1', '$3']}.
-binary_type -> '<<' '>>' : {type, ?line('$1'),binary,
- [abstract(0, ?line('$1')),
- abstract(0, ?line('$1'))]}.
-binary_type -> '<<' bin_base_type '>>' : {type, ?line('$1'),binary,
- ['$2', abstract(0, ?line('$1'))]}.
-binary_type -> '<<' bin_unit_type '>>' : {type, ?line('$1'),binary,
- [abstract(0, ?line('$1')), '$2']}.
+binary_type -> '<<' '>>' : {type, ?anno('$1'),binary,
+ [abstract2(0, ?anno('$1')),
+ abstract2(0, ?anno('$1'))]}.
+binary_type -> '<<' bin_base_type '>>' : {type, ?anno('$1'),binary,
+ ['$2', abstract2(0, ?anno('$1'))]}.
+binary_type -> '<<' bin_unit_type '>>' : {type, ?anno('$1'),binary,
+ [abstract2(0, ?anno('$1')), '$2']}.
binary_type -> '<<' bin_base_type ',' bin_unit_type '>>'
- : {type, ?line('$1'), binary, ['$2', '$4']}.
+ : {type, ?anno('$1'), binary, ['$2', '$4']}.
bin_base_type -> var ':' type : build_bin_type(['$1'], '$3').
@@ -210,7 +210,7 @@ function_clauses -> function_clause : ['$1'].
function_clauses -> function_clause ';' function_clauses : ['$1'|'$3'].
function_clause -> atom clause_args clause_guard clause_body :
- {clause,?line('$1'),element(3, '$1'),'$2','$3','$4'}.
+ {clause,?anno('$1'),element(3, '$1'),'$2','$3','$4'}.
clause_args -> argument_list : element(1, '$1').
@@ -221,10 +221,10 @@ clause_guard -> '$empty' : [].
clause_body -> '->' exprs: '$2'.
-expr -> 'catch' expr : {'catch',?line('$1'),'$2'}.
+expr -> 'catch' expr : {'catch',?anno('$1'),'$2'}.
expr -> expr_100 : '$1'.
-expr_100 -> expr_150 '=' expr_100 : {match,?line('$2'),'$1','$3'}.
+expr_100 -> expr_150 '=' expr_100 : {match,?anno('$2'),'$1','$3'}.
expr_100 -> expr_150 '!' expr_100 : ?mkop2('$1', '$2', '$3').
expr_100 -> expr_150 : '$1'.
@@ -260,7 +260,7 @@ expr_700 -> record_expr : '$1'.
expr_700 -> expr_800 : '$1'.
expr_800 -> expr_max ':' expr_max :
- {remote,?line('$2'),'$1','$3'}.
+ {remote,?anno('$2'),'$1','$3'}.
expr_800 -> expr_max : '$1'.
expr_max -> var : '$1'.
@@ -272,7 +272,7 @@ expr_max -> binary_comprehension : '$1'.
expr_max -> tuple : '$1'.
%%expr_max -> struct : '$1'.
expr_max -> '(' expr ')' : '$2'.
-expr_max -> 'begin' exprs 'end' : {block,?line('$1'),'$2'}.
+expr_max -> 'begin' exprs 'end' : {block,?anno('$1'),'$2'}.
expr_max -> if_expr : '$1'.
expr_max -> case_expr : '$1'.
expr_max -> receive_expr : '$1'.
@@ -280,22 +280,22 @@ expr_max -> fun_expr : '$1'.
expr_max -> try_expr : '$1'.
-list -> '[' ']' : {nil,?line('$1')}.
-list -> '[' expr tail : {cons,?line('$1'),'$2','$3'}.
+list -> '[' ']' : {nil,?anno('$1')}.
+list -> '[' expr tail : {cons,?anno('$1'),'$2','$3'}.
-tail -> ']' : {nil,?line('$1')}.
+tail -> ']' : {nil,?anno('$1')}.
tail -> '|' expr ']' : '$2'.
-tail -> ',' expr tail : {cons,?line('$2'),'$2','$3'}.
+tail -> ',' expr tail : {cons,?anno('$2'),'$2','$3'}.
-binary -> '<<' '>>' : {bin,?line('$1'),[]}.
-binary -> '<<' bin_elements '>>' : {bin,?line('$1'),'$2'}.
+binary -> '<<' '>>' : {bin,?anno('$1'),[]}.
+binary -> '<<' bin_elements '>>' : {bin,?anno('$1'),'$2'}.
bin_elements -> bin_element : ['$1'].
bin_elements -> bin_element ',' bin_elements : ['$1'|'$3'].
bin_element -> bit_expr opt_bit_size_expr opt_bit_type_list :
- {bin_element,?line('$1'),'$1','$2','$3'}.
+ {bin_element,?anno('$1'),'$1','$2','$3'}.
bit_expr -> prefix_op expr_max : ?mkop1('$1', '$2').
bit_expr -> expr_max : '$1'.
@@ -316,29 +316,29 @@ bit_size_expr -> expr_max : '$1'.
list_comprehension -> '[' expr '||' lc_exprs ']' :
- {lc,?line('$1'),'$2','$4'}.
+ {lc,?anno('$1'),'$2','$4'}.
binary_comprehension -> '<<' binary '||' lc_exprs '>>' :
- {bc,?line('$1'),'$2','$4'}.
+ {bc,?anno('$1'),'$2','$4'}.
lc_exprs -> lc_expr : ['$1'].
lc_exprs -> lc_expr ',' lc_exprs : ['$1'|'$3'].
lc_expr -> expr : '$1'.
-lc_expr -> expr '<-' expr : {generate,?line('$2'),'$1','$3'}.
-lc_expr -> binary '<=' expr : {b_generate,?line('$2'),'$1','$3'}.
+lc_expr -> expr '<-' expr : {generate,?anno('$2'),'$1','$3'}.
+lc_expr -> binary '<=' expr : {b_generate,?anno('$2'),'$1','$3'}.
-tuple -> '{' '}' : {tuple,?line('$1'),[]}.
-tuple -> '{' exprs '}' : {tuple,?line('$1'),'$2'}.
+tuple -> '{' '}' : {tuple,?anno('$1'),[]}.
+tuple -> '{' exprs '}' : {tuple,?anno('$1'),'$2'}.
%%struct -> atom tuple :
-%% {struct,?line('$1'),element(3, '$1'),element(3, '$2')}.
+%% {struct,?anno('$1'),element(3, '$1'),element(3, '$2')}.
map_expr -> '#' map_tuple :
- {map, ?line('$1'),'$2'}.
+ {map, ?anno('$1'),'$2'}.
map_expr -> expr_max '#' map_tuple :
- {map, ?line('$2'),'$1','$3'}.
+ {map, ?anno('$2'),'$1','$3'}.
map_expr -> map_expr '#' map_tuple :
- {map, ?line('$2'),'$1','$3'}.
+ {map, ?anno('$2'),'$1','$3'}.
map_tuple -> '{' '}' : [].
map_tuple -> '{' map_fields '}' : '$2'.
@@ -350,10 +350,10 @@ map_field -> map_field_assoc : '$1'.
map_field -> map_field_exact : '$1'.
map_field_assoc -> map_key '=>' expr :
- {map_field_assoc,?line('$1'),'$1','$3'}.
+ {map_field_assoc,?anno('$1'),'$1','$3'}.
map_field_exact -> map_key ':=' expr :
- {map_field_exact,?line('$1'),'$1','$3'}.
+ {map_field_exact,?anno('$1'),'$1','$3'}.
map_key -> expr : '$1'.
@@ -363,17 +363,17 @@ map_key -> expr : '$1'.
%% always atoms for the moment, this might change in the future.
record_expr -> '#' atom '.' atom :
- {record_index,?line('$1'),element(3, '$2'),'$4'}.
+ {record_index,?anno('$1'),element(3, '$2'),'$4'}.
record_expr -> '#' atom record_tuple :
- {record,?line('$1'),element(3, '$2'),'$3'}.
+ {record,?anno('$1'),element(3, '$2'),'$3'}.
record_expr -> expr_max '#' atom '.' atom :
- {record_field,?line('$2'),'$1',element(3, '$3'),'$5'}.
+ {record_field,?anno('$2'),'$1',element(3, '$3'),'$5'}.
record_expr -> expr_max '#' atom record_tuple :
- {record,?line('$2'),'$1',element(3, '$3'),'$4'}.
+ {record,?anno('$2'),'$1',element(3, '$3'),'$4'}.
record_expr -> record_expr '#' atom '.' atom :
- {record_field,?line('$2'),'$1',element(3, '$3'),'$5'}.
+ {record_field,?anno('$2'),'$1',element(3, '$3'),'$5'}.
record_expr -> record_expr '#' atom record_tuple :
- {record,?line('$2'),'$1',element(3, '$3'),'$4'}.
+ {record,?anno('$2'),'$1',element(3, '$3'),'$4'}.
record_tuple -> '{' '}' : [].
record_tuple -> '{' record_fields '}' : '$2'.
@@ -381,47 +381,47 @@ record_tuple -> '{' record_fields '}' : '$2'.
record_fields -> record_field : ['$1'].
record_fields -> record_field ',' record_fields : ['$1' | '$3'].
-record_field -> var '=' expr : {record_field,?line('$1'),'$1','$3'}.
-record_field -> atom '=' expr : {record_field,?line('$1'),'$1','$3'}.
+record_field -> var '=' expr : {record_field,?anno('$1'),'$1','$3'}.
+record_field -> atom '=' expr : {record_field,?anno('$1'),'$1','$3'}.
%% N.B. This is called from expr_700.
function_call -> expr_800 argument_list :
- {call,?line('$1'),'$1',element(1, '$2')}.
+ {call,?anno('$1'),'$1',element(1, '$2')}.
-if_expr -> 'if' if_clauses 'end' : {'if',?line('$1'),'$2'}.
+if_expr -> 'if' if_clauses 'end' : {'if',?anno('$1'),'$2'}.
if_clauses -> if_clause : ['$1'].
if_clauses -> if_clause ';' if_clauses : ['$1' | '$3'].
if_clause -> guard clause_body :
- {clause,?line(hd(hd('$1'))),[],'$1','$2'}.
+ {clause,?anno(hd(hd('$1'))),[],'$1','$2'}.
case_expr -> 'case' expr 'of' cr_clauses 'end' :
- {'case',?line('$1'),'$2','$4'}.
+ {'case',?anno('$1'),'$2','$4'}.
cr_clauses -> cr_clause : ['$1'].
cr_clauses -> cr_clause ';' cr_clauses : ['$1' | '$3'].
cr_clause -> expr clause_guard clause_body :
- {clause,?line('$1'),['$1'],'$2','$3'}.
+ {clause,?anno('$1'),['$1'],'$2','$3'}.
receive_expr -> 'receive' cr_clauses 'end' :
- {'receive',?line('$1'),'$2'}.
+ {'receive',?anno('$1'),'$2'}.
receive_expr -> 'receive' 'after' expr clause_body 'end' :
- {'receive',?line('$1'),[],'$3','$4'}.
+ {'receive',?anno('$1'),[],'$3','$4'}.
receive_expr -> 'receive' cr_clauses 'after' expr clause_body 'end' :
- {'receive',?line('$1'),'$2','$4','$5'}.
+ {'receive',?anno('$1'),'$2','$4','$5'}.
fun_expr -> 'fun' atom '/' integer :
- {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4')}}.
+ {'fun',?anno('$1'),{function,element(3, '$2'),element(3, '$4')}}.
fun_expr -> 'fun' atom_or_var ':' atom_or_var '/' integer_or_var :
- {'fun',?line('$1'),{function,'$2','$4','$6'}}.
+ {'fun',?anno('$1'),{function,'$2','$4','$6'}}.
fun_expr -> 'fun' fun_clauses 'end' :
- build_fun(?line('$1'), '$2').
+ build_fun(?anno('$1'), '$2').
atom_or_var -> atom : '$1'.
atom_or_var -> var : '$1'.
@@ -433,16 +433,16 @@ fun_clauses -> fun_clause : ['$1'].
fun_clauses -> fun_clause ';' fun_clauses : ['$1' | '$3'].
fun_clause -> argument_list clause_guard clause_body :
- {Args,Pos} = '$1',
- {clause,Pos,'fun',Args,'$2','$3'}.
+ {Args,Anno} = '$1',
+ {clause,Anno,'fun',Args,'$2','$3'}.
fun_clause -> var argument_list clause_guard clause_body :
{clause,element(2, '$1'),element(3, '$1'),element(1, '$2'),'$3','$4'}.
try_expr -> 'try' exprs 'of' cr_clauses try_catch :
- build_try(?line('$1'),'$2','$4','$5').
+ build_try(?anno('$1'),'$2','$4','$5').
try_expr -> 'try' exprs try_catch :
- build_try(?line('$1'),'$2',[],'$3').
+ build_try(?anno('$1'),'$2',[],'$3').
try_catch -> 'catch' try_clauses 'end' :
{'$2',[]}.
@@ -455,18 +455,18 @@ try_clauses -> try_clause : ['$1'].
try_clauses -> try_clause ';' try_clauses : ['$1' | '$3'].
try_clause -> expr clause_guard clause_body :
- L = ?line('$1'),
- {clause,L,[{tuple,L,[{atom,L,throw},'$1',{var,L,'_'}]}],'$2','$3'}.
+ A = ?anno('$1'),
+ {clause,A,[{tuple,A,[{atom,A,throw},'$1',{var,A,'_'}]}],'$2','$3'}.
try_clause -> atom ':' expr clause_guard clause_body :
- L = ?line('$1'),
- {clause,L,[{tuple,L,['$1','$3',{var,L,'_'}]}],'$4','$5'}.
+ A = ?anno('$1'),
+ {clause,A,[{tuple,A,['$1','$3',{var,A,'_'}]}],'$4','$5'}.
try_clause -> var ':' expr clause_guard clause_body :
- L = ?line('$1'),
- {clause,L,[{tuple,L,['$1','$3',{var,L,'_'}]}],'$4','$5'}.
+ A = ?anno('$1'),
+ {clause,A,[{tuple,A,['$1','$3',{var,A,'_'}]}],'$4','$5'}.
-argument_list -> '(' ')' : {[],?line('$1')}.
-argument_list -> '(' exprs ')' : {'$2',?line('$1')}.
+argument_list -> '(' ')' : {[],?anno('$1')}.
+argument_list -> '(' exprs ')' : {'$2',?anno('$1')}.
exprs -> expr : ['$1'].
@@ -483,7 +483,7 @@ atomic -> strings : '$1'.
strings -> string : '$1'.
strings -> string strings :
- {string,?line('$1'),element(3, '$1') ++ element(3, '$2')}.
+ {string,?anno('$1'),element(3, '$1') ++ element(3, '$2')}.
prefix_op -> '+' : '$1'.
prefix_op -> '-' : '$1'.
@@ -524,8 +524,14 @@ Erlang code.
-export([normalise/1,abstract/1,tokens/1,tokens/2]).
-export([abstract/2]).
-export([inop_prec/1,preop_prec/1,func_prec/0,max_prec/0]).
+-export([map_anno/2, fold_anno/3, mapfold_anno/3,
+ new_anno/1, anno_to_term/1, anno_from_term/1]).
-export([set_line/2,get_attribute/2,get_attributes/1]).
+-deprecated([{set_line, 2, next_major_release},
+ {get_attribute, 2, next_major_release},
+ {get_attributes, 1, next_major_release}]).
+
%% The following directive is needed for (significantly) faster compilation
%% of the generated .erl file by the HiPE compiler. Please do not remove.
-compile([{hipe,[{regalloc,linear_scan}]}]).
@@ -533,30 +539,31 @@ Erlang code.
-export_type([abstract_clause/0, abstract_expr/0, abstract_form/0,
error_info/0]).
+%% XXX. To be refined.
-type abstract_clause() :: term().
-type abstract_expr() :: term().
-type abstract_form() :: term().
-type error_description() :: term().
--type error_info() :: {erl_scan:line(), module(), error_description()}.
+-type error_info() :: {erl_anno:line(), module(), error_description()}.
-type token() :: erl_scan:token().
-%% mkop(Op, Arg) -> {op,Line,Op,Arg}.
-%% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}.
+%% mkop(Op, Arg) -> {op,Anno,Op,Arg}.
+%% mkop(Left, Op, Right) -> {op,Anno,Op,Left,Right}.
--define(mkop2(L, OpPos, R),
+-define(mkop2(L, OpAnno, R),
begin
- {Op,Pos} = OpPos,
- {op,Pos,Op,L,R}
+ {Op,Anno} = OpAnno,
+ {op,Anno,Op,L,R}
end).
--define(mkop1(OpPos, A),
+-define(mkop1(OpAnno, A),
begin
- {Op,Pos} = OpPos,
- {op,Pos,Op,A}
+ {Op,Anno} = OpAnno,
+ {op,Anno,Op,A}
end).
-%% keep track of line info in tokens
--define(line(Tup), element(2, Tup)).
+%% keep track of annotation info in tokens
+-define(anno(Tup), element(2, Tup)).
%% Entry points compatible to old erl_parse.
%% These really suck and are only here until Calle gets multiple
@@ -566,10 +573,10 @@ Erlang code.
Tokens :: [token()],
AbsForm :: abstract_form(),
ErrorInfo :: error_info().
-parse_form([{'-',L1},{atom,L2,spec}|Tokens]) ->
- parse([{'-',L1},{'spec',L2}|Tokens]);
-parse_form([{'-',L1},{atom,L2,callback}|Tokens]) ->
- parse([{'-',L1},{'callback',L2}|Tokens]);
+parse_form([{'-',A1},{atom,A2,spec}|Tokens]) ->
+ parse([{'-',A1},{'spec',A2}|Tokens]);
+parse_form([{'-',A1},{atom,A2,callback}|Tokens]) ->
+ parse([{'-',A1},{'callback',A2}|Tokens]);
parse_form(Tokens) ->
parse(Tokens).
@@ -578,7 +585,8 @@ parse_form(Tokens) ->
ExprList :: [abstract_expr()],
ErrorInfo :: error_info().
parse_exprs(Tokens) ->
- case parse([{atom,0,f},{'(',0},{')',0},{'->',0}|Tokens]) of
+ A = erl_anno:new(0),
+ case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of
{ok,{function,_Lf,f,0,[{clause,_Lc,[],[],Exprs}]}} ->
{ok,Exprs};
{error,_} = Err -> Err
@@ -589,42 +597,43 @@ parse_exprs(Tokens) ->
Term :: term(),
ErrorInfo :: error_info().
parse_term(Tokens) ->
- case parse([{atom,0,f},{'(',0},{')',0},{'->',0}|Tokens]) of
- {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],[Expr]}]}} ->
+ A = erl_anno:new(0),
+ case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of
+ {ok,{function,_Af,f,0,[{clause,_Ac,[],[],[Expr]}]}} ->
try normalise(Expr) of
Term -> {ok,Term}
catch
- _:_R -> {error,{?line(Expr),?MODULE,"bad term"}}
+ _:_R -> {error,{location(?anno(Expr)),?MODULE,"bad term"}}
end;
- {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],[_E1,E2|_Es]}]}} ->
- {error,{?line(E2),?MODULE,"bad term"}};
+ {ok,{function,_Af,f,A,[{clause,_Ac,[],[],[_E1,E2|_Es]}]}} ->
+ {error,{location(?anno(E2)),?MODULE,"bad term"}};
{error,_} = Err -> Err
end.
-type attributes() :: 'export' | 'file' | 'import' | 'module'
| 'opaque' | 'record' | 'type'.
-build_typed_attribute({atom,La,record},
- {typed_record, {atom,_Ln,RecordName}, RecTuple}) ->
- {attribute,La,record,{RecordName,record_tuple(RecTuple)}};
-build_typed_attribute({atom,La,Attr},
+build_typed_attribute({atom,Aa,record},
+ {typed_record, {atom,_An,RecordName}, RecTuple}) ->
+ {attribute,Aa,record,{RecordName,record_tuple(RecTuple)}};
+build_typed_attribute({atom,Aa,Attr},
{type_def, {call,_,{atom,_,TypeName},Args}, Type})
when Attr =:= 'type' ; Attr =:= 'opaque' ->
case lists:all(fun({var, _, _}) -> true;
(_) -> false
end, Args) of
- true -> {attribute,La,Attr,{TypeName,Type,Args}};
- false -> error_bad_decl(La, Attr)
+ true -> {attribute,Aa,Attr,{TypeName,Type,Args}};
+ false -> error_bad_decl(Aa, Attr)
end;
-build_typed_attribute({atom,La,Attr},_) ->
+build_typed_attribute({atom,Aa,Attr},_) ->
case Attr of
- record -> error_bad_decl(La, record);
- type -> error_bad_decl(La, type);
- opaque -> error_bad_decl(La, opaque);
- _ -> ret_err(La, "bad attribute")
+ record -> error_bad_decl(Aa, record);
+ type -> error_bad_decl(Aa, type);
+ opaque -> error_bad_decl(Aa, opaque);
+ _ -> ret_err(Aa, "bad attribute")
end.
-build_type_spec({Kind,La}, {SpecFun, TypeSpecs})
+build_type_spec({Kind,Aa}, {SpecFun, TypeSpecs})
when (Kind =:= spec) or (Kind =:= callback) ->
NewSpecFun =
case SpecFun of
@@ -639,7 +648,7 @@ build_type_spec({Kind,La}, {SpecFun, TypeSpecs})
%% Old style spec. Allow this for now.
{Mod,Fun,Arity}
end,
- {attribute,La,Kind,{NewSpecFun, TypeSpecs}}.
+ {attribute,Aa,Kind,{NewSpecFun, TypeSpecs}}.
find_arity_from_specs([Spec|_]) ->
%% Use the first spec to find the arity. If all are not the same,
@@ -651,40 +660,40 @@ find_arity_from_specs([Spec|_]) ->
{type, _, 'fun', [{type, _, product, Args},_]} = Fun,
length(Args).
-build_def({var, L, '_'}, _Types) ->
- ret_err(L, "bad type variable");
+build_def({var, A, '_'}, _Types) ->
+ ret_err(A, "bad type variable");
build_def(LHS, Types) ->
- IsSubType = {atom, ?line(LHS), is_subtype},
- {type, ?line(LHS), constraint, [IsSubType, [LHS, Types]]}.
+ IsSubType = {atom, ?anno(LHS), is_subtype},
+ {type, ?anno(LHS), constraint, [IsSubType, [LHS, Types]]}.
-lift_unions(T1, {type, _La, union, List}) ->
- {type, ?line(T1), union, [T1|List]};
+lift_unions(T1, {type, _Aa, union, List}) ->
+ {type, ?anno(T1), union, [T1|List]};
lift_unions(T1, T2) ->
- {type, ?line(T1), union, [T1, T2]}.
+ {type, ?anno(T1), union, [T1, T2]}.
-skip_paren({paren_type,_L,[Type]}) ->
+skip_paren({paren_type,_A,[Type]}) ->
skip_paren(Type);
skip_paren(Type) ->
Type.
-build_gen_type({atom, La, tuple}) ->
- {type, La, tuple, any};
-build_gen_type({atom, La, map}) ->
- {type, La, map, any};
-build_gen_type({atom, La, Name}) ->
+build_gen_type({atom, Aa, tuple}) ->
+ {type, Aa, tuple, any};
+build_gen_type({atom, Aa, map}) ->
+ {type, Aa, map, any};
+build_gen_type({atom, Aa, Name}) ->
Tag = type_tag(Name, 0),
- {Tag, La, Name, []}.
+ {Tag, Aa, Name, []}.
build_bin_type([{var, _, '_'}|Left], Int) ->
build_bin_type(Left, Int);
build_bin_type([], Int) ->
skip_paren(Int);
-build_bin_type([{var, La, _}|_], _) ->
- ret_err(La, "Bad binary type").
+build_bin_type([{var, Aa, _}|_], _) ->
+ ret_err(Aa, "Bad binary type").
-build_type({atom, L, Name}, Types) ->
+build_type({atom, A, Name}, Types) ->
Tag = type_tag(Name, length(Types)),
- {Tag, L, Name, Types}.
+ {Tag, A, Name, Types}.
type_tag(TypeName, NumberOfTypeVariables) ->
case erl_internal:is_type(TypeName, NumberOfTypeVariables) of
@@ -692,71 +701,75 @@ type_tag(TypeName, NumberOfTypeVariables) ->
false -> user_type
end.
+abstract2(Term, Anno) ->
+ Line = erl_anno:line(Anno),
+ abstract(Term, Line).
+
%% build_attribute(AttrName, AttrValue) ->
-%% {attribute,Line,module,Module}
-%% {attribute,Line,export,Exports}
-%% {attribute,Line,import,Imports}
-%% {attribute,Line,record,{Name,Inits}}
-%% {attribute,Line,file,{Name,Line}}
-%% {attribute,Line,Name,Val}
-
-build_attribute({atom,La,module}, Val) ->
+%% {attribute,Anno,module,Module}
+%% {attribute,Anno,export,Exports}
+%% {attribute,Anno,import,Imports}
+%% {attribute,Anno,record,{Name,Inits}}
+%% {attribute,Anno,file,{Name,Line}}
+%% {attribute,Anno,Name,Val}
+
+build_attribute({atom,Aa,module}, Val) ->
case Val of
- [{atom,_Lm,Module}] ->
- {attribute,La,module,Module};
- [{atom,_Lm,Module},ExpList] ->
- {attribute,La,module,{Module,var_list(ExpList)}};
+ [{atom,_Am,Module}] ->
+ {attribute,Aa,module,Module};
+ [{atom,_Am,Module},ExpList] ->
+ {attribute,Aa,module,{Module,var_list(ExpList)}};
_Other ->
- error_bad_decl(La, module)
+ error_bad_decl(Aa, module)
end;
-build_attribute({atom,La,export}, Val) ->
+build_attribute({atom,Aa,export}, Val) ->
case Val of
[ExpList] ->
- {attribute,La,export,farity_list(ExpList)};
- _Other -> error_bad_decl(La, export)
+ {attribute,Aa,export,farity_list(ExpList)};
+ _Other -> error_bad_decl(Aa, export)
end;
-build_attribute({atom,La,import}, Val) ->
+build_attribute({atom,Aa,import}, Val) ->
case Val of
- [{atom,_Lm,Mod},ImpList] ->
- {attribute,La,import,{Mod,farity_list(ImpList)}};
- _Other -> error_bad_decl(La, import)
+ [{atom,_Am,Mod},ImpList] ->
+ {attribute,Aa,import,{Mod,farity_list(ImpList)}};
+ _Other -> error_bad_decl(Aa, import)
end;
-build_attribute({atom,La,record}, Val) ->
+build_attribute({atom,Aa,record}, Val) ->
case Val of
- [{atom,_Ln,Record},RecTuple] ->
- {attribute,La,record,{Record,record_tuple(RecTuple)}};
- _Other -> error_bad_decl(La, record)
+ [{atom,_An,Record},RecTuple] ->
+ {attribute,Aa,record,{Record,record_tuple(RecTuple)}};
+ _Other -> error_bad_decl(Aa, record)
end;
-build_attribute({atom,La,file}, Val) ->
+build_attribute({atom,Aa,file}, Val) ->
case Val of
- [{string,_Ln,Name},{integer,_Ll,Line}] ->
- {attribute,La,file,{Name,Line}};
- _Other -> error_bad_decl(La, file)
+ [{string,_An,Name},{integer,_Al,Line}] ->
+ {attribute,Aa,file,{Name,Line}};
+ _Other -> error_bad_decl(Aa, file)
end;
-build_attribute({atom,La,Attr}, Val) ->
+build_attribute({atom,Aa,Attr}, Val) ->
case Val of
[Expr0] ->
Expr = attribute_farity(Expr0),
- {attribute,La,Attr,term(Expr)};
- _Other -> ret_err(La, "bad attribute")
+ {attribute,Aa,Attr,term(Expr)};
+ _Other -> ret_err(Aa, "bad attribute")
end.
-var_list({cons,_Lc,{var,_,V},Tail}) ->
+var_list({cons,_Ac,{var,_,V},Tail}) ->
[V|var_list(Tail)];
-var_list({nil,_Ln}) -> [];
+var_list({nil,_An}) -> [];
var_list(Other) ->
- ret_err(?line(Other), "bad variable list").
+ ret_err(?anno(Other), "bad variable list").
-attribute_farity({cons,L,H,T}) ->
- {cons,L,attribute_farity(H),attribute_farity(T)};
-attribute_farity({tuple,L,Args0}) ->
+attribute_farity({cons,A,H,T}) ->
+ {cons,A,attribute_farity(H),attribute_farity(T)};
+attribute_farity({tuple,A,Args0}) ->
Args = attribute_farity_list(Args0),
- {tuple,L,Args};
-attribute_farity({map,L,Args0}) ->
+ {tuple,A,Args};
+attribute_farity({map,A,Args0}) ->
Args = attribute_farity_map(Args0),
- {map,L,Args};
-attribute_farity({op,L,'/',{atom,_,_}=Name,{integer,_,_}=Arity}) ->
- {tuple,L,[Name,Arity]};
+ {map,A,Args};
+attribute_farity({op,A,'/',{atom,_,_}=Name,{integer,_,_}=Arity}) ->
+ {tuple,A,[Name,Arity]};
attribute_farity(Other) -> Other.
attribute_farity_list(Args) ->
@@ -764,45 +777,45 @@ attribute_farity_list(Args) ->
%% It is not meaningful to have farity keys.
attribute_farity_map(Args) ->
- [{Op,L,K,attribute_farity(V)} || {Op,L,K,V} <- Args].
+ [{Op,A,K,attribute_farity(V)} || {Op,A,K,V} <- Args].
--spec error_bad_decl(integer(), attributes()) -> no_return().
+-spec error_bad_decl(erl_anno:anno(), attributes()) -> no_return().
-error_bad_decl(L, S) ->
- ret_err(L, io_lib:format("bad ~w declaration", [S])).
+error_bad_decl(Anno, S) ->
+ ret_err(Anno, io_lib:format("bad ~w declaration", [S])).
-farity_list({cons,_Lc,{op,_Lo,'/',{atom,_La,A},{integer,_Li,I}},Tail}) ->
+farity_list({cons,_Ac,{op,_Ao,'/',{atom,_Aa,A},{integer,_Ai,I}},Tail}) ->
[{A,I}|farity_list(Tail)];
-farity_list({nil,_Ln}) -> [];
+farity_list({nil,_An}) -> [];
farity_list(Other) ->
- ret_err(?line(Other), "bad function arity").
+ ret_err(?anno(Other), "bad function arity").
-record_tuple({tuple,_Lt,Fields}) ->
+record_tuple({tuple,_At,Fields}) ->
record_fields(Fields);
record_tuple(Other) ->
- ret_err(?line(Other), "bad record declaration").
+ ret_err(?anno(Other), "bad record declaration").
-record_fields([{atom,La,A}|Fields]) ->
- [{record_field,La,{atom,La,A}}|record_fields(Fields)];
-record_fields([{match,_Lm,{atom,La,A},Expr}|Fields]) ->
- [{record_field,La,{atom,La,A},Expr}|record_fields(Fields)];
+record_fields([{atom,Aa,A}|Fields]) ->
+ [{record_field,Aa,{atom,Aa,A}}|record_fields(Fields)];
+record_fields([{match,_Am,{atom,Aa,A},Expr}|Fields]) ->
+ [{record_field,Aa,{atom,Aa,A},Expr}|record_fields(Fields)];
record_fields([{typed,Expr,TypeInfo}|Fields]) ->
[Field] = record_fields([Expr]),
TypeInfo1 =
case Expr of
{match, _, _, _} -> TypeInfo; %% If we have an initializer.
- {atom, La, _} ->
+ {atom, Aa, _} ->
case has_undefined(TypeInfo) of
false ->
TypeInfo2 = maybe_add_paren(TypeInfo),
- lift_unions(abstract(undefined, La), TypeInfo2);
+ lift_unions(abstract2(undefined, Aa), TypeInfo2);
true ->
TypeInfo
end
end,
[{typed_record_field,Field,TypeInfo1}|record_fields(Fields)];
record_fields([Other|_Fields]) ->
- ret_err(?line(Other), "bad record field");
+ ret_err(?anno(Other), "bad record field");
record_fields([]) -> [].
has_undefined({atom,_,undefined}) ->
@@ -816,52 +829,53 @@ has_undefined({type,_,union,Ts}) ->
has_undefined(_) ->
false.
-maybe_add_paren({ann_type,L,T}) ->
- {paren_type,L,[{ann_type,L,T}]};
+maybe_add_paren({ann_type,A,T}) ->
+ {paren_type,A,[{ann_type,A,T}]};
maybe_add_paren(T) ->
T.
term(Expr) ->
try normalise(Expr)
- catch _:_R -> ret_err(?line(Expr), "bad attribute")
+ catch _:_R -> ret_err(?anno(Expr), "bad attribute")
end.
-%% build_function([Clause]) -> {function,Line,Name,Arity,[Clause]}
+%% build_function([Clause]) -> {function,Anno,Name,Arity,[Clause]}
build_function(Cs) ->
Name = element(3, hd(Cs)),
Arity = length(element(4, hd(Cs))),
- {function,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
+ {function,?anno(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
-%% build_fun(Line, [Clause]) -> {'fun',Line,{clauses,[Clause]}}.
+%% build_fun(Anno, [Clause]) -> {'fun',Anno,{clauses,[Clause]}}.
-build_fun(Line, Cs) ->
+build_fun(Anno, Cs) ->
Name = element(3, hd(Cs)),
Arity = length(element(4, hd(Cs))),
CheckedCs = check_clauses(Cs, Name, Arity),
case Name of
'fun' ->
- {'fun',Line,{clauses,CheckedCs}};
+ {'fun',Anno,{clauses,CheckedCs}};
Name ->
- {named_fun,Line,Name,CheckedCs}
+ {named_fun,Anno,Name,CheckedCs}
end.
check_clauses(Cs, Name, Arity) ->
[case C of
- {clause,L,N,As,G,B} when N =:= Name, length(As) =:= Arity ->
- {clause,L,As,G,B};
- {clause,L,_N,_As,_G,_B} ->
- ret_err(L, "head mismatch")
+ {clause,A,N,As,G,B} when N =:= Name, length(As) =:= Arity ->
+ {clause,A,As,G,B};
+ {clause,A,_N,_As,_G,_B} ->
+ ret_err(A, "head mismatch")
end || C <- Cs].
-build_try(L,Es,Scs,{Ccs,As}) ->
- {'try',L,Es,Scs,Ccs,As}.
+build_try(A,Es,Scs,{Ccs,As}) ->
+ {'try',A,Es,Scs,Ccs,As}.
-spec ret_err(_, _) -> no_return().
-ret_err(L, S) ->
- {location,Location} = get_attribute(L, location),
- return_error(Location, S).
+ret_err(Anno, S) ->
+ return_error(location(Anno), S).
+location(Anno) ->
+ erl_anno:location(Anno).
%% Convert between the abstract form of a term and a term.
@@ -909,7 +923,8 @@ normalise_list([]) ->
Data :: term(),
AbsTerm :: abstract_expr().
abstract(T) ->
- abstract(T, 0, enc_func(epp:default_encoding())).
+ Anno = erl_anno:new(0),
+ abstract(T, Anno, enc_func(epp:default_encoding())).
-type encoding_func() :: fun((non_neg_integer()) -> boolean()).
@@ -919,16 +934,18 @@ abstract(T) ->
Options :: Line | [Option],
Option :: {line, Line} | {encoding, Encoding},
Encoding :: 'latin1' | 'unicode' | 'utf8' | 'none' | encoding_func(),
- Line :: erl_scan:line(),
+ Line :: erl_anno:line(),
AbsTerm :: abstract_expr().
abstract(T, Line) when is_integer(Line) ->
- abstract(T, Line, enc_func(epp:default_encoding()));
+ Anno = erl_anno:new(Line),
+ abstract(T, Anno, enc_func(epp:default_encoding()));
abstract(T, Options) when is_list(Options) ->
Line = proplists:get_value(line, Options, 0),
Encoding = proplists:get_value(encoding, Options,epp:default_encoding()),
EncFunc = enc_func(Encoding),
- abstract(T, Line, EncFunc).
+ Anno = erl_anno:new(Line),
+ abstract(T, Anno, EncFunc).
-define(UNICODE(C),
(C < 16#D800 orelse
@@ -942,53 +959,53 @@ enc_func(none) -> none;
enc_func(Fun) when is_function(Fun, 1) -> Fun;
enc_func(Term) -> erlang:error({badarg, Term}).
-abstract(T, L, _E) when is_integer(T) -> {integer,L,T};
-abstract(T, L, _E) when is_float(T) -> {float,L,T};
-abstract(T, L, _E) when is_atom(T) -> {atom,L,T};
-abstract([], L, _E) -> {nil,L};
-abstract(B, L, _E) when is_bitstring(B) ->
- {bin, L, [abstract_byte(Byte, L) || Byte <- bitstring_to_list(B)]};
-abstract([H|T], L, none=E) ->
- {cons,L,abstract(H, L, E),abstract(T, L, E)};
-abstract(List, L, E) when is_list(List) ->
- abstract_list(List, [], L, E);
-abstract(Tuple, L, E) when is_tuple(Tuple) ->
- {tuple,L,abstract_tuple_list(tuple_to_list(Tuple), L, E)};
-abstract(Map, L, E) when is_map(Map) ->
- {map,L,abstract_map_fields(maps:to_list(Map),L,E)}.
-
-abstract_list([H|T], String, L, E) ->
+abstract(T, A, _E) when is_integer(T) -> {integer,A,T};
+abstract(T, A, _E) when is_float(T) -> {float,A,T};
+abstract(T, A, _E) when is_atom(T) -> {atom,A,T};
+abstract([], A, _E) -> {nil,A};
+abstract(B, A, _E) when is_bitstring(B) ->
+ {bin, A, [abstract_byte(Byte, A) || Byte <- bitstring_to_list(B)]};
+abstract([H|T], A, none=E) ->
+ {cons,A,abstract(H, A, E),abstract(T, A, E)};
+abstract(List, A, E) when is_list(List) ->
+ abstract_list(List, [], A, E);
+abstract(Tuple, A, E) when is_tuple(Tuple) ->
+ {tuple,A,abstract_tuple_list(tuple_to_list(Tuple), A, E)};
+abstract(Map, A, E) when is_map(Map) ->
+ {map,A,abstract_map_fields(maps:to_list(Map),A,E)}.
+
+abstract_list([H|T], String, A, E) ->
case is_integer(H) andalso H >= 0 andalso E(H) of
true ->
- abstract_list(T, [H|String], L, E);
+ abstract_list(T, [H|String], A, E);
false ->
- AbstrList = {cons,L,abstract(H, L, E),abstract(T, L, E)},
- not_string(String, AbstrList, L, E)
+ AbstrList = {cons,A,abstract(H, A, E),abstract(T, A, E)},
+ not_string(String, AbstrList, A, E)
end;
-abstract_list([], String, L, _E) ->
- {string, L, lists:reverse(String)};
-abstract_list(T, String, L, E) ->
- not_string(String, abstract(T, L, E), L, E).
-
-not_string([C|T], Result, L, E) ->
- not_string(T, {cons, L, {integer, L, C}, Result}, L, E);
-not_string([], Result, _L, _E) ->
+abstract_list([], String, A, _E) ->
+ {string, A, lists:reverse(String)};
+abstract_list(T, String, A, E) ->
+ not_string(String, abstract(T, A, E), A, E).
+
+not_string([C|T], Result, A, E) ->
+ not_string(T, {cons, A, {integer, A, C}, Result}, A, E);
+not_string([], Result, _A, _E) ->
Result.
-abstract_tuple_list([H|T], L, E) ->
- [abstract(H, L, E)|abstract_tuple_list(T, L, E)];
-abstract_tuple_list([], _L, _E) ->
+abstract_tuple_list([H|T], A, E) ->
+ [abstract(H, A, E)|abstract_tuple_list(T, A, E)];
+abstract_tuple_list([], _A, _E) ->
[].
-abstract_map_fields(Fs,L,E) ->
- [{map_field_assoc,L,abstract(K,L,E),abstract(V,L,E)}||{K,V}<-Fs].
+abstract_map_fields(Fs,A,E) ->
+ [{map_field_assoc,A,abstract(K,A,E),abstract(V,A,E)}||{K,V}<-Fs].
-abstract_byte(Byte, L) when is_integer(Byte) ->
- {bin_element, L, {integer, L, Byte}, default, default};
-abstract_byte(Bits, L) ->
+abstract_byte(Byte, A) when is_integer(Byte) ->
+ {bin_element, A, {integer, A, Byte}, default, default};
+abstract_byte(Bits, A) ->
Sz = bit_size(Bits),
<<Val:Sz>> = Bits,
- {bin_element, L, {integer, L, Val}, {integer, L, Sz}, default}.
+ {bin_element, A, {integer, A, Val}, {integer, A, Sz}, default}.
%% Generate a list of tokens representing the abstract term.
@@ -1002,32 +1019,32 @@ tokens(Abs) ->
AbsTerm :: abstract_expr(),
MoreTokens :: [token()],
Tokens :: [token()].
-tokens({char,L,C}, More) -> [{char,L,C}|More];
-tokens({integer,L,N}, More) -> [{integer,L,N}|More];
-tokens({float,L,F}, More) -> [{float,L,F}|More];
-tokens({atom,L,A}, More) -> [{atom,L,A}|More];
-tokens({var,L,V}, More) -> [{var,L,V}|More];
-tokens({string,L,S}, More) -> [{string,L,S}|More];
-tokens({nil,L}, More) -> [{'[',L},{']',L}|More];
-tokens({cons,L,Head,Tail}, More) ->
- [{'[',L}|tokens(Head, tokens_tail(Tail, More))];
-tokens({tuple,L,[]}, More) ->
- [{'{',L},{'}',L}|More];
-tokens({tuple,L,[E|Es]}, More) ->
- [{'{',L}|tokens(E, tokens_tuple(Es, ?line(E), More))].
-
-tokens_tail({cons,L,Head,Tail}, More) ->
- [{',',L}|tokens(Head, tokens_tail(Tail, More))];
-tokens_tail({nil,L}, More) ->
- [{']',L}|More];
+tokens({char,A,C}, More) -> [{char,A,C}|More];
+tokens({integer,A,N}, More) -> [{integer,A,N}|More];
+tokens({float,A,F}, More) -> [{float,A,F}|More];
+tokens({atom,Aa,A}, More) -> [{atom,Aa,A}|More];
+tokens({var,A,V}, More) -> [{var,A,V}|More];
+tokens({string,A,S}, More) -> [{string,A,S}|More];
+tokens({nil,A}, More) -> [{'[',A},{']',A}|More];
+tokens({cons,A,Head,Tail}, More) ->
+ [{'[',A}|tokens(Head, tokens_tail(Tail, More))];
+tokens({tuple,A,[]}, More) ->
+ [{'{',A},{'}',A}|More];
+tokens({tuple,A,[E|Es]}, More) ->
+ [{'{',A}|tokens(E, tokens_tuple(Es, ?anno(E), More))].
+
+tokens_tail({cons,A,Head,Tail}, More) ->
+ [{',',A}|tokens(Head, tokens_tail(Tail, More))];
+tokens_tail({nil,A}, More) ->
+ [{']',A}|More];
tokens_tail(Other, More) ->
- L = ?line(Other),
- [{'|',L}|tokens(Other, [{']',L}|More])].
+ A = ?anno(Other),
+ [{'|',A}|tokens(Other, [{']',A}|More])].
-tokens_tuple([E|Es], Line, More) ->
- [{',',Line}|tokens(E, tokens_tuple(Es, ?line(E), More))];
-tokens_tuple([], Line, More) ->
- [{'}',Line}|More].
+tokens_tuple([E|Es], Anno, More) ->
+ [{',',Anno}|tokens(E, tokens_tuple(Es, ?anno(E), More))];
+tokens_tuple([], Anno, More) ->
+ [{'}',Anno}|More].
%% Give the relative precedences of operators.
@@ -1092,13 +1109,168 @@ max_prec() -> 900.
%%% longer apply. To get all present attributes as a property list
%%% get_attributes() should be used.
+-compile({nowarn_deprecated_function,{erl_scan,set_attribute,3}}).
set_line(L, F) ->
erl_scan:set_attribute(line, L, F).
+-compile({nowarn_deprecated_function,{erl_scan,attributes_info,2}}).
get_attribute(L, Name) ->
erl_scan:attributes_info(L, Name).
+-compile({nowarn_deprecated_function,{erl_scan,attributes_info,1}}).
get_attributes(L) ->
erl_scan:attributes_info(L).
+-spec map_anno(Fun, Abstr) -> NewAbstr when
+ Fun :: fun((Anno) -> Anno),
+ Anno :: erl_anno:anno(),
+ Abstr :: abstract_form() | abstract_expr(),
+ NewAbstr :: abstract_form() | abstract_expr().
+
+map_anno(F0, Abstr) ->
+ F = fun(A, Acc) -> {F0(A), Acc} end,
+ {NewAbstr, []} = modify_anno1(Abstr, [], F),
+ NewAbstr.
+
+-spec fold_anno(Fun, Acc0, Abstr) -> NewAbstr when
+ Fun :: fun((Anno, AccIn) -> AccOut),
+ Anno :: erl_anno:anno(),
+ Acc0 :: term(),
+ AccIn :: term(),
+ AccOut :: term(),
+ Abstr :: abstract_form() | abstract_expr(),
+ NewAbstr :: abstract_form() | abstract_expr().
+
+fold_anno(F0, Acc0, Abstr) ->
+ F = fun(A, Acc) -> {A, F0(A, Acc)} end,
+ {_, NewAcc} = modify_anno1(Abstr, Acc0, F),
+ NewAcc.
+
+-spec mapfold_anno(Fun, Acc0, Abstr) -> {NewAbstr, Acc1} when
+ Fun :: fun((Anno, AccIn) -> {Anno, AccOut}),
+ Anno :: erl_anno:anno(),
+ Acc0 :: term(),
+ Acc1 :: term(),
+ AccIn :: term(),
+ AccOut :: term(),
+ Abstr :: abstract_form() | abstract_expr(),
+ NewAbstr :: abstract_form() | abstract_expr().
+
+mapfold_anno(F, Acc0, Abstr) ->
+ modify_anno1(Abstr, Acc0, F).
+
+-spec new_anno(Term) -> Abstr when
+ Term :: term(),
+ Abstr :: abstract_form() | abstract_expr().
+
+new_anno(Term) ->
+ map_anno(fun erl_anno:new/1, Term).
+
+-spec anno_to_term(Abstr) -> term() when
+ Abstr :: abstract_form() | abstract_expr().
+
+anno_to_term(Abstract) ->
+ map_anno(fun erl_anno:to_term/1, Abstract).
+
+-spec anno_from_term(Term) -> abstract_form() | abstract_expr() when
+ Term :: term().
+
+anno_from_term(Term) ->
+ map_anno(fun erl_anno:from_term/1, Term).
+
+%% Forms.
+%% Recognize what sys_pre_expand does:
+modify_anno1({'fun',A,F,{_,_,_}=Id}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {F1,Ac2} = modify_anno1(F, Ac1, Mf),
+ {{'fun',A1,F1,Id},Ac2};
+modify_anno1({named_fun,A,N,F,{_,_,_}=Id}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {F1,Ac2} = modify_anno1(F, Ac1, Mf),
+ {{named_fun,A1,N,F1,Id},Ac2};
+modify_anno1({attribute,A,N,[V]}, Ac, Mf) ->
+ {{attribute,A1,N1,V1},Ac1} = modify_anno1({attribute,A,N,V}, Ac, Mf),
+ {{attribute,A1,N1,[V1]},Ac1};
+%% End of sys_pre_expand special forms.
+modify_anno1({function,F,A}, Ac, _Mf) ->
+ {{function,F,A},Ac};
+modify_anno1({function,M,F,A}, Ac, Mf) ->
+ {M1,Ac1} = modify_anno1(M, Ac, Mf),
+ {F1,Ac2} = modify_anno1(F, Ac1, Mf),
+ {A1,Ac3} = modify_anno1(A, Ac2, Mf),
+ {{function,M1,F1,A1},Ac3};
+modify_anno1({attribute,A,record,{Name,Fields}}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {Fields1,Ac2} = modify_anno1(Fields, Ac1, Mf),
+ {{attribute,A1,record,{Name,Fields1}},Ac2};
+modify_anno1({attribute,A,spec,{Fun,Types}}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {Types1,Ac2} = modify_anno1(Types, Ac1, Mf),
+ {{attribute,A1,spec,{Fun,Types1}},Ac2};
+modify_anno1({attribute,A,callback,{Fun,Types}}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {Types1,Ac2} = modify_anno1(Types, Ac1, Mf),
+ {{attribute,A1,callback,{Fun,Types1}},Ac2};
+modify_anno1({attribute,A,type,{TypeName,TypeDef,Args}}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf),
+ {Args1,Ac3} = modify_anno1(Args, Ac2, Mf),
+ {{attribute,A1,type,{TypeName,TypeDef1,Args1}},Ac3};
+modify_anno1({attribute,A,opaque,{TypeName,TypeDef,Args}}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf),
+ {Args1,Ac3} = modify_anno1(Args, Ac2, Mf),
+ {{attribute,A1,opaque,{TypeName,TypeDef1,Args1}},Ac3};
+modify_anno1({attribute,A,Attr,Val}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {{attribute,A1,Attr,Val},Ac1};
+modify_anno1({warning,W}, Ac, _Mf) ->
+ {{warning,W},Ac};
+modify_anno1({error,W}, Ac, _Mf) ->
+ {{error,W},Ac};
+%% Expressions.
+modify_anno1({clauses,Cs}, Ac, Mf) ->
+ {Cs1,Ac1} = modify_anno1(Cs, Ac, Mf),
+ {{clauses,Cs1},Ac1};
+modify_anno1({typed_record_field,Field,Type}, Ac, Mf) ->
+ {Field1,Ac1} = modify_anno1(Field, Ac, Mf),
+ {Type1,Ac2} = modify_anno1(Type, Ac1, Mf),
+ {{typed_record_field,Field1,Type1},Ac2};
+modify_anno1({Tag,A}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {{Tag,A1},Ac1};
+modify_anno1({Tag,A,E1}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {E11,Ac2} = modify_anno1(E1, Ac1, Mf),
+ {{Tag,A1,E11},Ac2};
+modify_anno1({Tag,A,E1,E2}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {E11,Ac2} = modify_anno1(E1, Ac1, Mf),
+ {E21,Ac3} = modify_anno1(E2, Ac2, Mf),
+ {{Tag,A1,E11,E21},Ac3};
+modify_anno1({bin_element,A,E1,E2,TSL}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {E11,Ac2} = modify_anno1(E1, Ac1, Mf),
+ {E21,Ac3} = modify_anno1(E2, Ac2, Mf),
+ {{bin_element,A1,E11,E21, TSL},Ac3};
+modify_anno1({Tag,A,E1,E2,E3}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {E11,Ac2} = modify_anno1(E1, Ac1, Mf),
+ {E21,Ac3} = modify_anno1(E2, Ac2, Mf),
+ {E31,Ac4} = modify_anno1(E3, Ac3, Mf),
+ {{Tag,A1,E11,E21,E31},Ac4};
+modify_anno1({Tag,A,E1,E2,E3,E4}, Ac, Mf) ->
+ {A1,Ac1} = Mf(A, Ac),
+ {E11,Ac2} = modify_anno1(E1, Ac1, Mf),
+ {E21,Ac3} = modify_anno1(E2, Ac2, Mf),
+ {E31,Ac4} = modify_anno1(E3, Ac3, Mf),
+ {E41,Ac5} = modify_anno1(E4, Ac4, Mf),
+ {{Tag,A1,E11,E21,E31,E41},Ac5};
+modify_anno1([H|T], Ac, Mf) ->
+ {H1,Ac1} = modify_anno1(H, Ac, Mf),
+ {T1,Ac2} = modify_anno1(T, Ac1, Mf),
+ {[H1|T1],Ac2};
+modify_anno1([], Ac, _Mf) -> {[],Ac};
+modify_anno1(E, Ac, _Mf) when not is_tuple(E), not is_list(E) -> {E,Ac}.
+
%% vim: ft=erlang
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 469ce544c7..623a29f923 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -46,6 +46,23 @@
-record(options, {hook, encoding, opts}).
+%-define(DEBUG, true).
+
+-ifdef(DEBUG).
+-define(TEST(T),
+ %% Assumes that erl_anno has been compiled with DEBUG=true.
+ %% erl_pp does not use the annoations, but test it anyway.
+ %% Note: hooks are not handled.
+ _ = try
+ erl_parse:map_anno(fun(A) when is_list(A) -> A end, T)
+ catch
+ _:_ ->
+ erlang:error(badarg, [T])
+ end).
+-else.
+-define(TEST(T), ok).
+-endif.
+
%%%
%%% Exported functions
%%%
@@ -61,6 +78,7 @@ form(Thing) ->
Options :: options()).
form(Thing, Options) ->
+ ?TEST(Thing),
State = state(Options),
frmt(lform(Thing, options(Options), State), State).
@@ -75,6 +93,7 @@ attribute(Thing) ->
Options :: options()).
attribute(Thing, Options) ->
+ ?TEST(Thing),
State = state(Options),
frmt(lattribute(Thing, options(Options), State), State).
@@ -89,6 +108,7 @@ function(F) ->
Options :: options()).
function(F, Options) ->
+ ?TEST(F),
frmt(lfunction(F, options(Options)), state(Options)).
-spec(guard(Guard) -> io_lib:chars() when
@@ -102,6 +122,7 @@ guard(Gs) ->
Options :: options()).
guard(Gs, Options) ->
+ ?TEST(Gs),
frmt(lguard(Gs, options(Options)), state(Options)).
-spec(exprs(Expressions) -> io_lib:chars() when
@@ -123,12 +144,14 @@ exprs(Es, Options) ->
Options :: options()).
exprs(Es, I, Options) ->
+ ?TEST(Es),
frmt({seq,[],[],[$,],lexprs(Es, options(Options))}, I, state(Options)).
-spec(expr(Expression) -> io_lib:chars() when
Expression :: erl_parse:abstract_expr()).
expr(E) ->
+ ?TEST(E),
frmt(lexpr(E, 0, options(none)), state(none)).
-spec(expr(Expression, Options) -> io_lib:chars() when
@@ -136,6 +159,7 @@ expr(E) ->
Options :: options()).
expr(E, Options) ->
+ ?TEST(E),
frmt(lexpr(E, 0, options(Options)), state(Options)).
-spec(expr(Expression, Indent, Options) -> io_lib:chars() when
@@ -144,6 +168,7 @@ expr(E, Options) ->
Options :: options()).
expr(E, I, Options) ->
+ ?TEST(E),
frmt(lexpr(E, 0, options(Options)), I, state(Options)).
-spec(expr(Expression, Indent, Precedence, Options) -> io_lib:chars() when
@@ -153,6 +178,7 @@ expr(E, I, Options) ->
Options :: options()).
expr(E, I, P, Options) ->
+ ?TEST(E),
frmt(lexpr(E, P, options(Options)), I, state(Options)).
%%%
@@ -213,24 +239,25 @@ lattribute({attribute,_Line,Name,Arg}, Opts, State) ->
[lattribute(Name, Arg, Opts, State),leaf(".\n")].
lattribute(module, {M,Vs}, _Opts, _State) ->
- attr("module",[{var,0,pname(M)},
- foldr(fun(V, C) -> {cons,0,{var,0,V},C}
- end, {nil,0}, Vs)]);
+ A = a0(),
+ attr("module",[{var,A,pname(M)},
+ foldr(fun(V, C) -> {cons,A,{var,A,V},C}
+ end, {nil,A}, Vs)]);
lattribute(module, M, _Opts, _State) ->
- attr("module", [{var,0,pname(M)}]);
+ attr("module", [{var,a0(),pname(M)}]);
lattribute(export, Falist, _Opts, _State) ->
- call({var,0,"-export"}, [falist(Falist)], 0, options(none));
+ call({var,a0(),"-export"}, [falist(Falist)], 0, options(none));
lattribute(import, Name, _Opts, _State) when is_list(Name) ->
- attr("import", [{var,0,pname(Name)}]);
+ attr("import", [{var,a0(),pname(Name)}]);
lattribute(import, {From,Falist}, _Opts, _State) ->
- attr("import",[{var,0,pname(From)},falist(Falist)]);
+ attr("import",[{var,a0(),pname(From)},falist(Falist)]);
lattribute(optional_callbacks, Falist, Opts, _State) ->
ArgL = try falist(Falist)
catch _:_ -> abstract(Falist, Opts)
end,
- call({var,0,"-optional_callbacks"}, [ArgL], 0, options(none));
+ call({var,a0(),"-optional_callbacks"}, [ArgL], 0, options(none));
lattribute(file, {Name,Line}, _Opts, State) ->
- attr("file", [{var,0,(State#pp.string_fun)(Name)},{integer,0,Line}]);
+ attr("file", [{var,a0(),(State#pp.string_fun)(Name)},{integer,a0(),Line}]);
lattribute(record, {Name,Is}, Opts, _State) ->
Nl = leaf(format("-record(~w,", [Name])),
[{first,Nl,record_fields(Is, Opts)},$)];
@@ -242,7 +269,7 @@ abstract(Arg, #options{encoding = Encoding}) ->
typeattr(Tag, {TypeName,Type,Args}, _Opts) ->
{first,leaf("-"++atom_to_list(Tag)++" "),
- typed(call({atom,0,TypeName}, Args, 0, options(none)), Type)}.
+ typed(call({atom,a0(),TypeName}, Args, 0, options(none)), Type)}.
ltype({ann_type,_Line,[V,T]}) ->
typed(lexpr(V, options(none)), T);
@@ -384,7 +411,7 @@ ltypes(Ts, F) ->
[F(T) || T <- Ts].
attr(Name, Args) ->
- call({var,0,format("-~s", [Name])}, Args, 0, options(none)).
+ call({var,a0(),format("-~s", [Name])}, Args, 0, options(none)).
pname(['' | As]) ->
[$. | pname(As)];
@@ -396,9 +423,10 @@ pname(A) when is_atom(A) ->
write(A).
falist([]) ->
- {nil,0};
+ {nil,a0()};
falist([{Name,Arity}|Falist]) ->
- {cons,0,{var,0,format("~w/~w", [Name,Arity])},falist(Falist)}.
+ A = a0(),
+ {cons,A,{var,A,format("~w/~w", [Name,Arity])},falist(Falist)}.
lfunction({function,_Line,Name,_Arity,Cs}, Opts) ->
Cll = nl_clauses(fun (C, H) -> func_clause(Name, C, H) end, $;, Opts, Cs),
@@ -1111,6 +1139,9 @@ write_char(C, PP) ->
%% Utilities
%%
+a0() ->
+ erl_anno:new(0).
+
chars_size([C | Es]) when is_integer(C) ->
1 + chars_size(Es);
chars_size([E | Es]) ->
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 4960a86760..5e7cc5f6d6 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -55,6 +55,15 @@
token_info/1,token_info/2,
attributes_info/1,attributes_info/2,set_attribute/3]).
+-export([column/1,end_location/1,line/1,location/1,text/1,
+ category/1,symbol/1]).
+
+-deprecated([{attributes_info, 1, next_major_release},
+ {attributes_info, 2, next_major_release},
+ {set_attribute, 3, next_major_release},
+ {token_info, 1, next_major_release},
+ {token_info, 2, next_major_release}]).
+
%%% Private
-export([continuation_location/1]).
@@ -78,9 +87,9 @@
-define(SETATTRFUN(F), is_function(F, 1)).
-type category() :: atom().
--type column() :: pos_integer().
--type line() :: integer().
--type location() :: line() | {line(),column()}.
+-type column() :: pos_integer(). % Deprecated
+-type line() :: integer(). % Deprecated
+-type location() :: line() | {line(),column()}. % Deprecated
-type resword_fun() :: fun((atom()) -> boolean()).
-type option() :: 'return' | 'return_white_spaces' | 'return_comments'
| 'text' | {'reserved_word_fun', resword_fun()}.
@@ -197,6 +206,56 @@ continuation_location({erl_scan_continuation,_,no_col,_,Line,_,_,_}) ->
continuation_location({erl_scan_continuation,_,Col,_,Line,_,_,_}) ->
{Line,Col}.
+-spec column(Token) -> erl_anno:column() | 'undefined' when
+ Token :: token().
+
+column(Token) ->
+ erl_anno:column(element(2, Token)).
+
+-spec end_location(Token) -> erl_anno:location() | 'undefined' when
+ Token :: token().
+
+end_location(Token) ->
+ erl_anno:end_location(element(2, Token)).
+
+-spec line(Token) -> erl_anno:line() when
+ Token :: token().
+
+line(Token) ->
+ erl_anno:line(element(2, Token)).
+
+-spec location(Token) -> erl_anno:location() when
+ Token :: token().
+
+location(Token) ->
+ erl_anno:location(element(2, Token)).
+
+-spec text(Token) -> erl_anno:text() | 'undefined' when
+ Token :: token().
+
+text(Token) ->
+ erl_anno:text(element(2, Token)).
+
+-spec category(Token) -> category() when
+ Token :: token().
+
+category({Category,_Anno}) ->
+ Category;
+category({Category,_Anno,_Symbol}) ->
+ Category;
+category(T) ->
+ erlang:error(badarg, [T]).
+
+-spec symbol(Token) -> symbol() when
+ Token :: token().
+
+symbol({Category,_Anno}) ->
+ Category;
+symbol({_Category,_Anno,Symbol}) ->
+ Symbol;
+symbol(T) ->
+ erlang:error(badarg, [T]).
+
-type attribute_item() :: 'column' | 'length' | 'line'
| 'location' | 'text'.
-type info_location() :: location() | term().
@@ -276,7 +335,17 @@ attributes_info({Line,Column}, column=Item) when ?ALINE(Line),
attributes_info(Line, column) when ?ALINE(Line) ->
undefined;
attributes_info(Attrs, column=Item) ->
- attr_info(Attrs, Item);
+ case attr_info(Attrs, Item) of
+ undefined ->
+ case erl_anno:column(Attrs) of
+ undefined ->
+ undefined;
+ Column ->
+ {Item,Column}
+ end;
+ T ->
+ T
+ end;
attributes_info(Attrs, length=Item) ->
case attributes_info(Attrs, text) of
undefined ->
@@ -290,14 +359,26 @@ attributes_info({Line,Column}, line=Item) when ?ALINE(Line),
?COLUMN(Column) ->
{Item,Line};
attributes_info(Attrs, line=Item) ->
- attr_info(Attrs, Item);
+ case attr_info(Attrs, Item) of
+ undefined ->
+ case attr_info(Attrs, location) of
+ {location,{Line,_Column}} ->
+ {Item,Line};
+ {location,Line} ->
+ {Item,Line};
+ undefined ->
+ undefined
+ end;
+ T ->
+ T
+ end;
attributes_info({Line,Column}=Location, location=Item) when ?ALINE(Line),
?COLUMN(Column) ->
{Item,Location};
attributes_info(Line, location=Item) when ?ALINE(Line) ->
{Item,Line};
attributes_info(Attrs, location=Item) ->
- {line,Line} = attributes_info(Attrs, line), % assume line is present
+ {line,Line} = attributes_info(Attrs, line),
case attributes_info(Attrs, column) of
undefined ->
%% If set_attribute() has assigned a term such as {17,42}
@@ -419,12 +500,28 @@ set_attr(line, {Line,Column}, Fun) when ?ALINE(Line), ?COLUMN(Column) ->
[{line,Ln},{column,Column}]
end;
set_attr(line=Tag, Attrs, Fun) when is_list(Attrs) ->
- {line,Line} = lists:keyfind(Tag, 1, Attrs),
- case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of
- [{line,Ln}] when ?ALINE(Ln) ->
- Ln;
- As ->
- As
+ case lists:keyfind(Tag, 1, Attrs) of
+ {line,Line} ->
+ case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of
+ [{line,Ln}] when ?ALINE(Ln) ->
+ Ln;
+ As ->
+ As
+ end;
+ false ->
+ {location, Location} = lists:keyfind(location, 1, Attrs),
+ Ln = case Location of
+ {Line,Column} when ?ALINE(Line), ?COLUMN(Column) ->
+ {Fun(Line),Column};
+ _ ->
+ Fun(Location)
+ end,
+ case lists:keyreplace(location, 1, Attrs, {location,Ln}) of
+ [{location,Ln}] when ?ALINE(Ln) ->
+ Ln;
+ As ->
+ As
+ end
end;
set_attr(T1, T2, T3) ->
erlang:error(badarg, [T1,T2,T3]).
@@ -708,17 +805,17 @@ scan_name(Cs, Ncs) ->
-define(STR(St, S), if St#erl_scan.text -> S; true -> [] end).
scan_dot([$%|_]=Cs, St, Line, Col, Toks, Ncs) ->
- Attrs = attributes(Line, Col, St, Ncs),
- {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)};
+ Anno = anno(Line, Col, St, Ncs),
+ {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 1)};
scan_dot([$\n=C|Cs], St, Line, Col, Toks, Ncs) ->
- Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])),
- {ok,[{dot,Attrs}|Toks],Cs,Line+1,new_column(Col, 1)};
+ Anno = anno(Line, Col, St, ?STR(St, Ncs++[C])),
+ {ok,[{dot,Anno}|Toks],Cs,Line+1,new_column(Col, 1)};
scan_dot([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) ->
- Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])),
- {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 2)};
+ Anno = anno(Line, Col, St, ?STR(St, Ncs++[C])),
+ {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 2)};
scan_dot(eof=Cs, St, Line, Col, Toks, Ncs) ->
- Attrs = attributes(Line, Col, St, Ncs),
- {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)};
+ Anno = anno(Line, Col, St, Ncs),
+ {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 1)};
scan_dot(Cs, St, Line, Col, Toks, Ncs) ->
tok2(Cs, St, Line, Col, Toks, Ncs, '.', 1).
@@ -773,12 +870,12 @@ scan_nl_tabs(Cs, St, Line, Col, Toks, N) ->
%% stop anyway, nothing is gained by not collecting all white spaces.
scan_nl_white_space([$\n|Cs], #erl_scan{text = false}=St, Line, no_col=Col,
Toks0, Ncs) ->
- Toks = [{white_space,Line,lists:reverse(Ncs)}|Toks0],
+ Toks = [{white_space,anno(Line),lists:reverse(Ncs)}|Toks0],
scan_newline(Cs, St, Line+1, Col, Toks);
scan_nl_white_space([$\n|Cs], St, Line, Col, Toks, Ncs0) ->
Ncs = lists:reverse(Ncs0),
- Attrs = attributes(Line, Col, St, Ncs),
- Token = {white_space,Attrs,Ncs},
+ Anno = anno(Line, Col, St, Ncs),
+ Token = {white_space,Anno,Ncs},
scan_newline(Cs, St, Line+1, new_column(Col, length(Ncs)), [Token|Toks]);
scan_nl_white_space([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) ->
scan_nl_white_space(Cs, St, Line, Col, Toks, [C|Ncs]);
@@ -786,19 +883,20 @@ scan_nl_white_space([]=Cs, _St, Line, Col, Toks, Ncs) ->
{more,{Cs,Col,Toks,Line,Ncs,fun scan_nl_white_space/6}};
scan_nl_white_space(Cs, #erl_scan{text = false}=St, Line, no_col=Col,
Toks, Ncs) ->
- scan1(Cs, St, Line+1, Col, [{white_space,Line,lists:reverse(Ncs)}|Toks]);
+ Anno = anno(Line),
+ scan1(Cs, St, Line+1, Col, [{white_space,Anno,lists:reverse(Ncs)}|Toks]);
scan_nl_white_space(Cs, St, Line, Col, Toks, Ncs0) ->
Ncs = lists:reverse(Ncs0),
- Attrs = attributes(Line, Col, St, Ncs),
- Token = {white_space,Attrs,Ncs},
+ Anno = anno(Line, Col, St, Ncs),
+ Token = {white_space,Anno,Ncs},
scan1(Cs, St, Line+1, new_column(Col, length(Ncs)), [Token|Toks]).
newline_end(Cs, #erl_scan{text = false}=St, Line, no_col=Col,
Toks, _N, Ncs) ->
- scan1(Cs, St, Line+1, Col, [{white_space,Line,Ncs}|Toks]);
+ scan1(Cs, St, Line+1, Col, [{white_space,anno(Line),Ncs}|Toks]);
newline_end(Cs, St, Line, Col, Toks, N, Ncs) ->
- Attrs = attributes(Line, Col, St, Ncs),
- scan1(Cs, St, Line+1, new_column(Col, N), [{white_space,Attrs,Ncs}|Toks]).
+ Anno = anno(Line, Col, St, Ncs),
+ scan1(Cs, St, Line+1, new_column(Col, N), [{white_space,Anno,Ncs}|Toks]).
scan_spcs([$\s|Cs], St, Line, Col, Toks, N) when N < 16 ->
scan_spcs(Cs, St, Line, Col, Toks, N+1);
@@ -847,20 +945,20 @@ scan_char([$\\|Cs]=Cs0, St, Line, Col, Toks) ->
{eof,Ncol} ->
scan_error(char, Line, Col, Line, Ncol, eof);
{nl,Val,Str,Ncs,Ncol} ->
- Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %"
- Ntoks = [{char,Attrs,Val}|Toks],
+ Anno = anno(Line, Col, St, ?STR(St, "$\\"++Str)), %"
+ Ntoks = [{char,Anno,Val}|Toks],
scan1(Ncs, St, Line+1, Ncol, Ntoks);
{Val,Str,Ncs,Ncol} ->
- Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %"
- Ntoks = [{char,Attrs,Val}|Toks],
+ Anno = anno(Line, Col, St, ?STR(St, "$\\"++Str)), %"
+ Ntoks = [{char,Anno,Val}|Toks],
scan1(Ncs, St, Line, Ncol, Ntoks)
end;
scan_char([$\n=C|Cs], St, Line, Col, Toks) ->
- Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])),
- scan1(Cs, St, Line+1, new_column(Col, 1), [{char,Attrs,C}|Toks]);
+ Anno = anno(Line, Col, St, ?STR(St, [$$,C])),
+ scan1(Cs, St, Line+1, new_column(Col, 1), [{char,Anno,C}|Toks]);
scan_char([C|Cs], St, Line, Col, Toks) when ?UNICODE(C) ->
- Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])),
- scan1(Cs, St, Line, incr_column(Col, 2), [{char,Attrs,C}|Toks]);
+ Anno = anno(Line, Col, St, ?STR(St, [$$,C])),
+ scan1(Cs, St, Line, incr_column(Col, 2), [{char,Anno,C}|Toks]);
scan_char([C|_Cs], _St, Line, Col, _Toks) when ?CHAR(C) ->
scan_error({illegal,character}, Line, Col, Line, incr_column(Col, 1), eof);
scan_char([], _St, Line, Col, Toks) ->
@@ -879,8 +977,8 @@ scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) ->
Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars.
scan_error({string,$\",Estr}, Line0, Col0, Nline, Ncol, Ncs); %"
{Ncs,Nline,Ncol,Nstr,Nwcs} ->
- Attrs = attributes(Line0, Col0, St, Nstr),
- scan1(Ncs, St, Nline, Ncol, [{string,Attrs,Nwcs}|Toks])
+ Anno = anno(Line0, Col0, St, Nstr),
+ scan1(Ncs, St, Nline, Ncol, [{string,Anno,Nwcs}|Toks])
end.
scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) ->
@@ -896,8 +994,8 @@ scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) ->
{Ncs,Nline,Ncol,Nstr,Nwcs} ->
case catch list_to_atom(Nwcs) of
A when is_atom(A) ->
- Attrs = attributes(Line0, Col0, St, Nstr),
- scan1(Ncs, St, Nline, Ncol, [{atom,Attrs,A}|Toks]);
+ Anno = anno(Line0, Col0, St, Nstr),
+ scan1(Ncs, St, Nline, Ncol, [{atom,Anno,A}|Toks]);
_ ->
scan_error({illegal,atom}, Line0, Col0, Nline, Ncol, Ncs)
end
@@ -1173,28 +1271,28 @@ scan_comment(Cs, St, Line, Col, Toks, Ncs0) ->
tok3(Cs, St, Line, Col, Toks, comment, Ncs, Ncs).
tok2(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, _Wcs, P) ->
- scan1(Cs, St, Line, Col, [{P,Line}|Toks]);
+ scan1(Cs, St, Line, Col, [{P,anno(Line)}|Toks]);
tok2(Cs, St, Line, Col, Toks, Wcs, P) ->
- Attrs = attributes(Line, Col, St, Wcs),
- scan1(Cs, St, Line, incr_column(Col, length(Wcs)), [{P,Attrs}|Toks]).
+ Anno = anno(Line, Col, St, Wcs),
+ scan1(Cs, St, Line, incr_column(Col, length(Wcs)), [{P,Anno}|Toks]).
tok2(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, _Wcs, P, _N) ->
- scan1(Cs, St, Line, Col, [{P,Line}|Toks]);
+ scan1(Cs, St, Line, Col, [{P,anno(Line)}|Toks]);
tok2(Cs, St, Line, Col, Toks, Wcs, P, N) ->
- Attrs = attributes(Line, Col, St, Wcs),
- scan1(Cs, St, Line, incr_column(Col, N), [{P,Attrs}|Toks]).
+ Anno = anno(Line, Col, St, Wcs),
+ scan1(Cs, St, Line, incr_column(Col, N), [{P,Anno}|Toks]).
tok3(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, Item, _S, Sym) ->
- scan1(Cs, St, Line, Col, [{Item,Line,Sym}|Toks]);
+ scan1(Cs, St, Line, Col, [{Item,anno(Line),Sym}|Toks]);
tok3(Cs, St, Line, Col, Toks, Item, String, Sym) ->
- Token = {Item,attributes(Line, Col, St, String),Sym},
+ Token = {Item,anno(Line, Col, St, String),Sym},
scan1(Cs, St, Line, incr_column(Col, length(String)), [Token|Toks]).
tok3(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, Item,
_String, Sym, _Length) ->
- scan1(Cs, St, Line, Col, [{Item,Line,Sym}|Toks]);
+ scan1(Cs, St, Line, Col, [{Item,anno(Line),Sym}|Toks]);
tok3(Cs, St, Line, Col, Toks, Item, String, Sym, Length) ->
- Token = {Item,attributes(Line, Col, St, String),Sym},
+ Token = {Item,anno(Line, Col, St, String),Sym},
scan1(Cs, St, Line, incr_column(Col, Length), [Token|Toks]).
scan_error(Error, Line, Col, EndLine, EndCol, Rest) ->
@@ -1205,23 +1303,28 @@ scan_error(Error, Line, Col, EndLine, EndCol, Rest) ->
scan_error(Error, ErrorLoc, EndLoc, Rest) ->
{{error,{ErrorLoc,?MODULE,Error},EndLoc},Rest}.
--compile({inline,[attributes/4]}).
+-compile({inline,[anno/4]}).
-attributes(Line, no_col, #erl_scan{text = false}, _String) ->
- Line;
-attributes(Line, no_col, #erl_scan{text = true}, String) ->
- [{line,Line},{text,String}];
-attributes(Line, Col, #erl_scan{text = false}, _String) ->
- {Line,Col};
-attributes(Line, Col, #erl_scan{text = true}, String) ->
- [{line,Line},{column,Col},{text,String}].
+anno(Line, no_col, #erl_scan{text = false}, _String) ->
+ anno(Line);
+anno(Line, no_col, #erl_scan{text = true}, String) ->
+ Anno = anno(Line),
+ erl_anno:set_text(String, Anno);
+anno(Line, Col, #erl_scan{text = false}, _String) ->
+ anno({Line, Col});
+anno(Line, Col, #erl_scan{text = true}, String) ->
+ Anno = anno({Line, Col}),
+ erl_anno:set_text(String, Anno).
location(Line, no_col) ->
Line;
location(Line, Col) when is_integer(Col) ->
{Line,Col}.
--compile({inline,[incr_column/2,new_column/2]}).
+-compile({inline,[anno/1,incr_column/2,new_column/2]}).
+
+anno(Location) ->
+ erl_anno:new(Location).
incr_column(no_col=Col, _N) ->
Col;
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index 90e1f3a8d6..f0827009a5 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. 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
@@ -620,12 +620,13 @@ parse_source(S, File, Fd, StartLine, HeaderSz, CheckOnly) ->
{ok, {attribute,_, module, M} = Form} ->
epp_parse_file(Epp, S2#state{module = M}, [Form, FileForm]);
{ok, _} ->
- ModForm = {attribute,1,module, Module},
+ ModForm = {attribute,a1(),module, Module},
epp_parse_file2(Epp, S2, [ModForm, FileForm], OptModRes);
{error, _} ->
epp_parse_file2(Epp, S2, [FileForm], OptModRes);
- {eof, _LastLine} = Eof ->
- S#state{forms_or_bin = [FileForm, Eof]}
+ {eof, LastLine} ->
+ Anno = anno(LastLine),
+ S#state{forms_or_bin = [FileForm, {eof, Anno}]}
end,
ok = epp:close(Epp),
ok = file:close(Fd),
@@ -644,7 +645,7 @@ check_source(S, CheckOnly) ->
%% Optionally add export of main/1
Forms2 =
case ExpMain of
- false -> [{attribute,0,export, [{main,1}]} | Forms];
+ false -> [{attribute, a0(), export, [{main,1}]} | Forms];
true -> Forms
end,
Forms3 = [FileForm2, ModForm2 | Forms2],
@@ -722,8 +723,9 @@ epp_parse_file2(Epp, S, Forms, Parsed) ->
io:format("~ts:~w: ~ts\n",
[S#state.file,Ln,Mod:format_error(Args)]),
epp_parse_file(Epp, S#state{n_errors = S#state.n_errors + 1}, [Form | Forms]);
- {eof, _LastLine} = Eof ->
- S#state{forms_or_bin = lists:reverse([Eof | Forms])}
+ {eof, LastLine} ->
+ Anno = anno(LastLine),
+ S#state{forms_or_bin = lists:reverse([{eof, Anno} | Forms])}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -778,7 +780,8 @@ interpret(Forms, HasRecs, File, Args) ->
end,
Dict = parse_to_dict(Forms2),
ArgsA = erl_parse:abstract(Args, 0),
- Call = {call,0,{atom,0,main},[ArgsA]},
+ Anno = a0(),
+ Call = {call,Anno,{atom,Anno,main},[ArgsA]},
try
_ = erl_eval:expr(Call,
erl_eval:new_bindings(),
@@ -890,6 +893,15 @@ enc() ->
Enc -> [Enc]
end.
+a0() ->
+ anno(0).
+
+a1() ->
+ anno(1).
+
+anno(L) ->
+ erl_anno:new(L).
+
fatal(Str) ->
throw(Str).
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index b9ace2f442..0b59546dc4 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. 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
@@ -45,7 +45,7 @@
%% ErrorDescription is whatever the I/O-server sends.
-type server_no_data() :: {'error', ErrorDescription :: term()} | 'eof'.
--type location() :: erl_scan:location().
+-type location() :: erl_anno:location().
%%-------------------------------------------------------------------------
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 7b6f4e5b50..6e3723bb98 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2015. 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
@@ -822,9 +822,10 @@ th(T,B,OB) when is_tuple(T) ->
th(Nonstruct,B,_OB) ->
{Nonstruct,B}.
-warn_var_clash(Line,Name,OuterBound) ->
+warn_var_clash(Anno,Name,OuterBound) ->
case gb_sets:is_member(Name,OuterBound) of
true ->
+ Line = erl_anno:line(Anno),
add_warning(Line,{?WARN_SHADOW_VAR,Name});
_ ->
ok
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 0fb6974426..24721da187 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2015. 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
@@ -18,7 +18,7 @@
%%
-module(otp_internal).
--export([obsolete/3]).
+-export([obsolete/3, obsolete_type/3]).
%%----------------------------------------------------------------------
@@ -26,7 +26,7 @@
-type mfas() :: mfa() | {atom(), atom(), [byte()]}.
-type release() :: string().
--spec obsolete(atom(), atom(), byte()) ->
+-spec obsolete(module(), atom(), arity()) ->
'no' | {tag(), string()} | {tag(), mfas(), release()}.
obsolete(Module, Name, Arity) ->
@@ -595,6 +595,39 @@ obsolete_1(core_lib, is_literal_list, 1) ->
" instead"};
obsolete_1(core_lib, literal_value, 1) ->
{deprecated,{core_lib,concrete,1}};
+obsolete_1(erl_scan, set_attribute, 3) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"};
+obsolete_1(erl_scan, attributes_info, 1) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_anno:{column,line,location,text}/1 instead"};
+obsolete_1(erl_scan, attributes_info, 2) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_anno:{column,line,location,text}/1 instead"};
+obsolete_1(erl_scan, token_info, 1) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_scan:{category,column,line,location,symbol,text}/1 instead"};
+obsolete_1(erl_scan, token_info, 2) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_scan:{category,column,line,location,symbol,text}/1 instead"};
+obsolete_1(erl_parse, set_line, 2) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"};
+obsolete_1(erl_parse, get_attributes, 1) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_anno:{column,line,location,text}/1 instead"};
+obsolete_1(erl_parse, get_attribute, 2) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use "
+ "erl_anno:{column,line,location,text}/1 instead"};
+obsolete_1(erl_lint, modify_line, 2) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_parse:map_anno/2 instead"};
obsolete_1(ssl, negotiated_next_protocol, 1) ->
{deprecated,{ssl,negotiated_protocol,1}};
@@ -644,3 +677,30 @@ is_snmp_agent_function(add_agent_caps, 2) -> true;
is_snmp_agent_function(del_agent_caps, 1) -> true;
is_snmp_agent_function(get_agent_caps, 0) -> true;
is_snmp_agent_function(_, _) -> false.
+
+-spec obsolete_type(module(), atom(), arity()) ->
+ 'no' | {tag(), string()} | {tag(), mfas(), release()}.
+
+obsolete_type(Module, Name, NumberOfVariables) ->
+ case obsolete_type_1(Module, Name, NumberOfVariables) of
+%% {deprecated=Tag,{_,_,_}=Replacement} ->
+%% {Tag,Replacement,"in a future release"};
+ {_,String}=Ret when is_list(String) ->
+ Ret;
+%% {_,_,_}=Ret ->
+%% Ret;
+ no ->
+ no
+ end.
+
+obsolete_type_1(erl_scan,column,0) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_anno:column() instead"};
+obsolete_type_1(erl_scan,line,0) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_anno:line() instead"};
+obsolete_type_1(erl_scan,location,0) ->
+ {deprecated,
+ "deprecated (will be removed in OTP 19); use erl_anno:location() instead"};
+obsolete_type_1(_,_,_) ->
+ no.
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index 5b19ee6190..ad8aafbb1a 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2015. 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
@@ -1006,7 +1006,7 @@ listify(T) ->
-record(simple_qlc,
{p, % atom(), pattern variable
le,
- line,
+ line :: erl_anno:anno(),
init_value,
optz % #optz
}).
@@ -1148,15 +1148,18 @@ abstract(Info, true=_Flat, NElements, Depth) ->
[{match,_,Expr,Q}] ->
Q;
[{match,_,Expr,Q} | Body] ->
- {block, 0, lists:reverse(Body, [Q])};
+ {block, anno0(), lists:reverse(Body, [Q])};
_ ->
- {block, 0, lists:reverse(Body0, [Expr])}
+ {block, anno0(), lists:reverse(Body0, [Expr])}
end.
-abstract({qlc, E0, Qs0, Opt}, NElements, Depth) ->
+abstract(Info, NElements, Depth) ->
+ abstract1(Info, NElements, Depth, anno1()).
+
+abstract1({qlc, E0, Qs0, Opt}, NElements, Depth, A) ->
Qs = lists:map(fun({generate, P, LE}) ->
- {generate, 1, binary_to_term(P),
- abstract(LE, NElements, Depth)};
+ {generate, A, binary_to_term(P),
+ abstract1(LE, NElements, Depth, A)};
(F) ->
binary_to_term(F)
end, Qs0),
@@ -1165,12 +1168,12 @@ abstract({qlc, E0, Qs0, Opt}, NElements, Depth) ->
[] -> [];
_ -> [abstract_term(Opt, 1)]
end,
- ?QLC_Q(1, 1, 1, 1, {lc,1,E,Qs}, Os);
-abstract({table, {M, F, As0}}, _NElements, _Depth)
+ ?QLC_Q(A, A, A, A, {lc,A,E,Qs}, Os);
+abstract1({table, {M, F, As0}}, _NElements, _Depth, Anno)
when is_atom(M), is_atom(F), is_list(As0) ->
As = [abstract_term(A, 1) || A <- As0],
- {call, 1, {remote, 1, {atom, 1, M}, {atom, 1, F}}, As};
-abstract({table, TableDesc}, _NElements, _Depth) ->
+ {call, Anno, {remote, Anno, {atom, Anno, M}, {atom, Anno, F}}, As};
+abstract1({table, TableDesc}, _NElements, _Depth, _A) ->
case io_lib:deep_char_list(TableDesc) of
true ->
{ok, Tokens, _} = erl_scan:string(lists:flatten(TableDesc++".")),
@@ -1179,27 +1182,28 @@ abstract({table, TableDesc}, _NElements, _Depth) ->
false -> % abstract expression
TableDesc
end;
-abstract({append, Infos}, NElements, Depth) ->
+abstract1({append, Infos}, NElements, Depth, A) ->
As = lists:foldr(fun(Info, As0) ->
- {cons,1,abstract(Info, NElements, Depth),As0}
- end, {nil, 1}, Infos),
- {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, append}}, [As]};
-abstract({sort, Info, SortOptions}, NElements, Depth) ->
- {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, sort}},
- [abstract(Info, NElements, Depth), abstract_term(SortOptions, 1)]};
-abstract({keysort, Info, Kp, SortOptions}, NElements, Depth) ->
- {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, keysort}},
- [abstract_term(Kp, 1), abstract(Info, NElements, Depth),
+ {cons,A,abstract1(Info, NElements, Depth, A),
+ As0}
+ end, {nil, A}, Infos),
+ {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, append}}, [As]};
+abstract1({sort, Info, SortOptions}, NElements, Depth, A) ->
+ {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, sort}},
+ [abstract1(Info, NElements, Depth, A), abstract_term(SortOptions, 1)]};
+abstract1({keysort, Info, Kp, SortOptions}, NElements, Depth, A) ->
+ {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, keysort}},
+ [abstract_term(Kp, 1), abstract1(Info, NElements, Depth, A),
abstract_term(SortOptions, 1)]};
-abstract({list,L,MS}, NElements, Depth) ->
- {call, 1, {remote, 1, {atom, 1, ets}, {atom, 1, match_spec_run}},
- [abstract(L, NElements, Depth),
- {call, 1, {remote, 1, {atom, 1, ets}, {atom, 1, match_spec_compile}},
+abstract1({list,L,MS}, NElements, Depth, A) ->
+ {call, A, {remote, A, {atom, A, ets}, {atom, A, match_spec_run}},
+ [abstract1(L, NElements, Depth, A),
+ {call, A, {remote, A, {atom, A, ets}, {atom, A, match_spec_compile}},
[abstract_term(depth(MS, Depth), 1)]}]};
-abstract({list, L}, NElements, Depth) when NElements =:= infinity;
- NElements >= length(L) ->
+abstract1({list, L}, NElements, Depth, _A) when NElements =:= infinity;
+ NElements >= length(L) ->
abstract_term(depth(L, Depth), 1);
-abstract({list, L}, NElements, Depth) ->
+abstract1({list, L}, NElements, Depth, _A) ->
abstract_term(depth(lists:sublist(L, NElements), Depth) ++ '...', 1).
depth(List, infinity) ->
@@ -1251,14 +1255,14 @@ abstract_term(Term) ->
abstract_term(Term, 0).
abstract_term(Term, Line) ->
- abstr_term(Term, Line).
+ abstr_term(Term, anno(Line)).
abstr_term(Tuple, Line) when is_tuple(Tuple) ->
{tuple,Line,[abstr_term(E, Line) || E <- tuple_to_list(Tuple)]};
abstr_term([_ | _]=L, Line) ->
case io_lib:char_list(L) of
true ->
- erl_parse:abstract(L, Line);
+ erl_parse:abstract(L, erl_anno:line(Line));
false ->
abstr_list(L, Line)
end;
@@ -1285,7 +1289,7 @@ abstr_term(Fun, Line) when is_function(Fun) ->
abstr_term(PPR, Line) when is_pid(PPR); is_port(PPR); is_reference(PPR) ->
{special, Line, lists:flatten(io_lib:write(PPR))};
abstr_term(Simple, Line) ->
- erl_parse:abstract(Simple, Line).
+ erl_parse:abstract(Simple, erl_anno:line(Line)).
abstr_list([H | T], Line) ->
{cons, Line, abstr_term(H, Line), abstr_list(T, Line)};
@@ -1519,7 +1523,7 @@ join_info(Join, QInfo, Qdata, Code) ->
%% Only compared constants (==).
[Cs1_0, Cs2_0]
end,
- L = 0,
+ L = anno0(),
G1_0 = {var,L,'G1'}, G2_0 = {var,L,'G2'},
JP = element(JQNum + 1, Code),
%% Create code for wh1 and wh2 in #join{}:
@@ -1571,7 +1575,7 @@ join_merge_info(QNum, QInfo, Code, G, ExtraConstants) ->
{P, P};
_ ->
{PV, _} = aux_name1('P', 0, abstract_vars(P)),
- L = 0,
+ L = erl_anno:new(0),
V = {var, L, PV},
{V, {match, L, V, P}}
end,
@@ -1579,19 +1583,20 @@ join_merge_info(QNum, QInfo, Code, G, ExtraConstants) ->
LEI = {generate, term_to_binary(M), LEInfo},
TP = term_to_binary(G),
CFs = [begin
- Call = {call,0,{atom,0,element},[{integer,0,Col},EPV]},
- F = list2op([{op,0,Op,abstract_term(Con),Call}
- || {Con,Op} <- ConstOps], 'or'),
+ A = anno0(),
+ Call = {call,A,{atom,A,element},[{integer,A,Col},EPV]},
+ F = list2op([{op,A,Op,abstract_term(Con),Call}
+ || {Con,Op} <- ConstOps], 'or', A),
term_to_binary(F)
end ||
{Col,ConstOps} <- ExtraConstants],
{{I,G}, [{generate, TP, {qlc, DQP, [LEI | CFs], []}}]}
end.
-list2op([E], _Op) ->
+list2op([E], _Op, _Anno) ->
E;
-list2op([E | Es], Op) ->
- {op,0,Op,E,list2op(Es, Op)}.
+list2op([E | Es], Op, Anno) ->
+ {op,Anno,Op,E,list2op(Es, Op, Anno)}.
join_lookup_info(QNum, QInfo, G) ->
{generate, _, LEInfo}=I = lists:nth(QNum, QInfo),
@@ -1704,7 +1709,7 @@ eval_le(LE_fun, GOpt) ->
prep_qlc_lc({simple_v1, PVar, LE_fun, L}, Opt, GOpt, _H) ->
check_lookup_option(Opt, false),
- prep_simple_qlc(PVar, L, eval_le(LE_fun, GOpt), Opt);
+ prep_simple_qlc(PVar, anno(L), eval_le(LE_fun, GOpt), Opt);
prep_qlc_lc({qlc_v1, QFun, CodeF, Qdata0, QOpt}, Opt, GOpt, _H) ->
F = fun(?qual_data(_QNum, _GoI, _SI, fil)=QualData, ModGens) ->
{QualData, ModGens};
@@ -1821,7 +1826,7 @@ may_create_simple(#qlc_opt{unique = Unique, cache = Cache} = Opt,
if
Unique and not IsUnique;
(Cache =/= false) and not IsCached ->
- prep_simple_qlc(?SIMPLE_QVAR, 1, Prep, Opt);
+ prep_simple_qlc(?SIMPLE_QVAR, anno(1), Prep, Opt);
true ->
Prep
end.
@@ -3772,6 +3777,15 @@ grd(Fun, Arg) ->
false
end.
+anno0() ->
+ anno(0).
+
+anno1() ->
+ anno(1).
+
+anno(L) ->
+ erl_anno:new(L).
+
family(L) ->
sofs:to_external(sofs:relation_to_family(sofs:relation(L))).
diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl
index b6bb758dfb..a4d2157b35 100644
--- a/lib/stdlib/src/qlc_pt.erl
+++ b/lib/stdlib/src/qlc_pt.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2015. 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
@@ -39,7 +39,12 @@
opt % #qlc_opt
}).
--record(state, {imp, maxargs, records, xwarnings = []}).
+-record(state, {imp,
+ maxargs,
+ records,
+ xwarnings = [],
+ intro_vars,
+ node_info}).
%-define(debug, true).
@@ -66,37 +71,49 @@
Options :: [Option],
Option :: type_checker | compile:option()).
-parse_transform(Forms, Options) ->
+parse_transform(Forms0, Options) ->
?DEBUG("qlc Parse Transform~n", []),
- State = #state{imp = is_qlc_q_imported(Forms),
- maxargs = ?COMPILE_MAX_NUM_OF_ARGS,
- records = record_attributes(Forms)},
- case called_from_type_checker(Options) of
- true ->
- %% The returned value should conform to the types, but
- %% need not evaluate to anything meaningful.
- L = 0,
- {tuple,_,Fs0} = abstr(#qlc_lc{}, L),
- F = fun(_Id, LC, A) ->
- Init = simple(L, 'V', LC, L),
- {{tuple,L,set_field(#qlc_lc.lc, Fs0, Init)}, A}
- end,
- {Forms1,ok} = qlc_mapfold(F, ok, Forms, State),
- Forms1;
- false ->
- FormsNoShadows = no_shadows(Forms, State),
- case compile_messages(Forms, FormsNoShadows, Options, State) of
- {[],[],Warnings} ->
- {NewForms, State1} = transform(FormsNoShadows, State),
- ExtraWs = State1#state.xwarnings,
- {[],WForms} = no_duplicates(NewForms, [], Warnings,
- ExtraWs, Options),
- WForms ++ NewForms;
- {E0,Errors,Warnings} ->
- {EForms,WForms} = no_duplicates(Forms, E0++Errors,
- Warnings, [], Options),
- EForms ++ WForms ++ Forms
- end
+ Imported = is_qlc_q_imported(Forms0),
+ {Forms, FormsNoShadows, State} = initiate(Forms0, Imported),
+ NodeInfo = State#state.node_info,
+ try
+ case called_from_type_checker(Options) of
+ true ->
+ %% The returned value should conform to the types, but
+ %% need not evaluate to anything meaningful.
+ L = anno0(),
+ {tuple,_,Fs0} = abstr(#qlc_lc{}, L),
+ F = fun(_Id, LC, A) ->
+ Init = simple(L, 'V', LC, L),
+ {{tuple,L,set_field(#qlc_lc.lc, Fs0, Init)}, A}
+ end,
+ {Forms1,ok} = qlc_mapfold(F, ok, Forms, State),
+ Forms1;
+ false ->
+ case
+ compile_messages(Forms, FormsNoShadows, Options, State)
+ of
+ {[],Warnings} ->
+ ?DEBUG("node info1 ~p~n",
+ [lists:sort(ets:tab2list(NodeInfo))]),
+ {NewForms, State1} =
+ transform(FormsNoShadows, State),
+ ExtraWs = State1#state.xwarnings,
+ {[],WForms} = no_duplicates(NewForms, [], Warnings,
+ ExtraWs, Options),
+ (restore_locations(WForms, State) ++
+ restore_anno(NewForms, NodeInfo));
+ {Errors,Warnings} ->
+ ?DEBUG("node info2 ~p~n",
+ [lists:sort(ets:tab2list(NodeInfo))]),
+ {EForms,WForms} = no_duplicates(FormsNoShadows, Errors,
+ Warnings, [],
+ Options),
+ restore_locations(EForms ++ WForms, State) ++ Forms0
+ end
+ end
+ after
+ true = ets:delete(NodeInfo)
end.
-spec(transform_from_evaluator(LC, Bs) -> Expr when
@@ -124,30 +141,78 @@ called_from_type_checker(Options) ->
lists:member(type_checker, Options).
transform_expression(LC, Bs0, WithLintErrors) ->
- L = 1,
+ L = anno1(),
As = [{var,L,V} || {V,_Val} <- Bs0],
Ar = length(As),
F = {function,L,bar,Ar,[{clause,L,As,[],[?QLC_Q(L, L, L, L, LC, [])]}]},
- Forms = [{attribute,L,file,{"foo",L}},
- {attribute,L,module,foo}, F],
- State = #state{imp = false,
- maxargs = ?EVAL_MAX_NUM_OF_ARGS,
- records = record_attributes(Forms)},
+ Forms0 = [{attribute,L,file,{"foo",L}},
+ {attribute,L,module,foo}, F],
+ {Forms, FormsNoShadows, State} = initiate(Forms0, false),
+ NodeInfo = State#state.node_info,
Options = [],
- FormsNoShadows = no_shadows(Forms, State),
- case compile_messages(Forms, FormsNoShadows, Options, State) of
- {[],[],_Warnings} ->
- {NewForms,_State1} = transform(FormsNoShadows, State),
- {function,L,bar,Ar,[{clause,L,As,[],[NF]}]} =
- lists:last(NewForms),
- {ok,NF};
- {E0,Errors,_Warnings} when WithLintErrors ->
- {not_ok,mforms(error, E0 ++ Errors)};
- {E0,Errors0,_Warnings} ->
- [{error,Reason} | _] = mforms(error, E0++Errors0),
- {not_ok, {error, ?APIMOD, Reason}}
+ try compile_messages(Forms, FormsNoShadows, Options, State) of
+ {Errors0,_Warnings} ->
+ case restore_locations(Errors0, State) of
+ [] ->
+ {NewForms,_State1} = transform(FormsNoShadows, State),
+ NewForms1 = restore_anno(NewForms, NodeInfo),
+ {function,L,bar,Ar,[{clause,L,As,[],[NF]}]} =
+ lists:last(NewForms1),
+ {ok,NF};
+ Errors when WithLintErrors ->
+ {not_ok,mforms(error, Errors)};
+ Errors ->
+ [{error,Reason} | _] = mforms(error, Errors),
+ {not_ok, {error, ?APIMOD, Reason}}
+ end
+ after
+ true = ets:delete(NodeInfo)
end.
+-ifdef(DEBUG).
+-define(ILIM, 0).
+-else.
+-define(ILIM, 255).
+-endif.
+
+initiate(Forms0, Imported) ->
+ NodeInfo = ets:new(?APIMOD, []),
+ true = ets:insert(NodeInfo, {var_n, ?ILIM}),
+ exclude_integers_from_unique_line_numbers(Forms0, NodeInfo),
+ ?DEBUG("node info0 ~p~n",
+ [lists:sort(ets:tab2list(NodeInfo))]),
+ State0 = #state{imp = Imported,
+ maxargs = ?EVAL_MAX_NUM_OF_ARGS,
+ records = record_attributes(Forms0),
+ node_info = NodeInfo},
+ Forms = save_anno(Forms0, NodeInfo),
+ FormsNoShadows = no_shadows(Forms, State0),
+ IntroVars = intro_variables(FormsNoShadows, State0),
+ State = State0#state{intro_vars = IntroVars},
+ {Forms, FormsNoShadows, State}.
+
+%% Make sure restore_locations() does not confuse integers with (the
+%% unique) line numbers.
+exclude_integers_from_unique_line_numbers(Forms, NodeInfo) ->
+ Integers = find_integers(Forms),
+ lists:foreach(fun(I) -> ets:insert(NodeInfo, {I}) end, Integers).
+
+find_integers(Forms) ->
+ F = fun(A) ->
+ Fs1 = erl_parse:map_anno(fun(_) -> A end, Forms),
+ ordsets:from_list(integers(Fs1, []))
+ end,
+ ordsets:to_list(ordsets:intersection(F(anno0()), F(anno1()))).
+
+integers([E | Es], L) ->
+ integers(Es, integers(E, L));
+integers(T, L) when is_tuple(T) ->
+ integers(tuple_to_list(T), L);
+integers(I, L) when is_integer(I), I > ?ILIM ->
+ [I | L];
+integers(_, L) ->
+ L.
+
-define(I(I), {integer, L, I}).
-define(A(A), {atom, L, A}).
-define(V(V), {var, L, V}).
@@ -164,9 +229,15 @@ mforms(Tag, L) ->
%% Avoid duplicated lint warnings and lint errors. Care has been taken
%% not to introduce unused variables in the transformed code.
%%
-no_duplicates(Forms, Errors, Warnings0, ExtraWarnings, Options) ->
+no_duplicates(Forms, Errors, Warnings0, ExtraWarnings0, Options) ->
%% Some mistakes such as "{X} =:= {}" are found by strong
%% validation as well as by qlc. Prefer the warnings from qlc:
+ %% The Compiler and qlc do not agree on the location of errors.
+ %% For now, qlc's messages about failing patterns and filters
+ %% are ignored.
+ ExtraWarnings = [W || W={_File,[{_,qlc,Tag}]} <-
+ ExtraWarnings0,
+ not lists:member(Tag, [nomatch_pattern,nomatch_filter])],
Warnings1 = mforms(Warnings0) --
([{File,[{L,v3_core,nomatch}]} ||
{File,[{L,qlc,M}]} <- mforms(ExtraWarnings),
@@ -185,13 +256,22 @@ mforms(L) ->
lists:sort([{File,[M]} || {File,Ms} <- L, M <- Ms]).
mforms2(Tag, L) ->
- Line = 0,
+ Line = anno0(),
ML = lists:flatmap(fun({File,Ms}) ->
- [[{attribute,Line,file,{File,Line}}, {Tag,M}] ||
+ [[{attribute,Line,file,{File,0}}, {Tag,M}] ||
M <- Ms]
end, lists:sort(L)),
lists:flatten(lists:sort(ML)).
+restore_locations([T | Ts], State) ->
+ [restore_locations(T, State) | restore_locations(Ts, State)];
+restore_locations(T, State) when is_tuple(T) ->
+ list_to_tuple(restore_locations(tuple_to_list(T), State));
+restore_locations(I, State) when I > ?ILIM ->
+ restore_loc(I, State);
+restore_locations(T, _State) ->
+ T.
+
is_qlc_q_imported(Forms) ->
[[] || {attribute,_,import,{?APIMOD,FAs}} <- Forms, {?Q,1} <- FAs] =/= [].
@@ -212,13 +292,20 @@ compile_messages(Forms, FormsNoShadows, Options, State) ->
(_QId, Q, GA, A) ->
{Q,GA,A}
end,
- {_,BGens} = qual_fold(BGenF, [], [], FormsNoShadows, State),
+ {_,BGens} = qual_fold(BGenF, [], [], Forms, State),
GenForm = used_genvar_check(FormsNoShadows, State),
?DEBUG("GenForm = ~ts~n", [catch erl_pp:form(GenForm)]),
- WarnFun = fun(Id, LC, A) -> {tag_lines(LC, get_lcid_no(Id)), A} end,
+ {GEs,_} = compile_forms([GenForm], Options),
+ UsedGenVarMsgs = used_genvar_messages(GEs, State),
+ NodeInfo = State#state.node_info,
+ WarnFun = fun(_Id, LC, A) -> {lc_nodes(LC, NodeInfo), A} end,
{WForms,ok} = qlc_mapfold(WarnFun, ok, Forms, State),
- {Es,Ws} = compile_forms(WForms ++ [GenForm], Options),
- {badarg(Forms, State),tagged_messages(Es)++BGens,tagged_messages(Ws)}.
+ {Es,Ws} = compile_forms(WForms, Options),
+ LcEs = lc_messages(Es, NodeInfo),
+ LcWs = lc_messages(Ws, NodeInfo),
+ Errors = badarg(Forms, State) ++ UsedGenVarMsgs++LcEs++BGens,
+ Warnings = LcWs,
+ {Errors,Warnings}.
badarg(Forms, State) ->
F = fun(_Id, {lc,_L,_E,_Qs}=LC, Es) ->
@@ -230,54 +317,39 @@ badarg(Forms, State) ->
{_,E0} = qlc_mapfold(F, [], Forms, State),
E0.
-tag_lines(E, No) ->
- map_lines(fun(Id) ->
- case is_lcid(Id) of
- true -> Id;
- false -> make_lcid(Id, No)
- end
- end, E).
-
-map_lines(F, E) ->
- erl_lint:modify_line(E, F).
-
-tagged_messages(MsL) ->
- [{File,
- [{Loc,Mod,untag(T)} || {Loc0,Mod,T} <- Ms,
- {true,Loc} <- [tloc(Loc0)]]}
- || {File,Ms} <- MsL]
- ++
+lc_nodes(E, NodeInfo) ->
+ erl_parse:map_anno(fun(Anno) ->
+ N = erl_anno:line(Anno),
+ [{N, Data}] = ets:lookup(NodeInfo, N),
+ NData = Data#{inside_lc => true},
+ true = ets:insert(NodeInfo, {N, NData}),
+ Anno
+ end, E).
+
+used_genvar_messages(MsL, S) ->
[{File,[{Loc,?APIMOD,{used_generator_variable,V}}]}
- || {_, Ms} <- MsL,
+ || {_, Ms} <- MsL,
{XLoc,erl_lint,{unbound_var,_}} <- Ms,
- {Loc,File,V} <- [extra(XLoc)]].
-
-tloc({Id,Column}) ->
- {IsLcid,T} = tloc(Id),
- {IsLcid,{T,Column}};
-tloc(Id) ->
- IsLcid = is_lcid(Id),
- {IsLcid,case IsLcid of
- true -> get_lcid_line(Id);
- false -> any
- end}.
-
-extra({extra,Line,File,V}) ->
- {Line,File,V};
-extra({Line,Column}) ->
- case extra(Line) of
- {L,File,V} -> {{L,Column},File,V};
- Else -> Else
- end;
-extra(Else) ->
- Else.
-
-untag([E | Es]) -> [untag(E) | untag(Es)];
-untag(T) when is_tuple(T) -> list_to_tuple(untag(tuple_to_list(T)));
-untag(E) ->
- case is_lcid(E) of
- true -> get_lcid_line(E);
- false -> E
+ {Loc,File,V} <- [genvar_pos(XLoc, S)]].
+
+lc_messages(MsL, NodeInfo) ->
+ [{File,[{Loc,Mod,T} || {Loc,Mod,T} <- Ms, lc_loc(Loc, NodeInfo)]} ||
+ {File,Ms} <- MsL].
+
+lc_loc(N, NodeInfo) ->
+ case ets:lookup(NodeInfo, N) of
+ [{N, #{inside_lc := true}}] ->
+ true;
+ [{N, _}] ->
+ false
+ end.
+
+genvar_pos(Location, S) ->
+ case ets:lookup(S#state.node_info, Location) of
+ [{Location, #{genvar_pos := Pos}}] ->
+ Pos;
+ [] ->
+ Location
end.
%% -> [{Qid,[variable()]}].
@@ -293,6 +365,7 @@ untag(E) ->
%% variables (unless they are unsafe).
%%
intro_variables(FormsNoShadows, State) ->
+ NodeInfo = State#state.node_info,
Fun = fun(QId, {T,_L,P0,_E0}=Q, {GVs,QIds}, Foo) when T =:= b_generate;
T =:= generate ->
PVs = qlc:var_ufold(fun({var,_,V}) -> {QId,V} end, P0),
@@ -302,10 +375,11 @@ intro_variables(FormsNoShadows, State) ->
%% where E is an LC expression consisting of a
%% template mentioning all variables occurring in F.
Vs = ordsets:to_list(qlc:vars(Filter0)),
- Id = QId#qid.lcid,
- LC1 = embed_vars(intro_set_line({QId,f1}, Vs), Id),
- LC2 = embed_vars(intro_set_line({QId,f2}, Vs), Id),
- AnyLine = -1,
+ AnyLine = anno0(),
+ Vars = [{var,AnyLine,V} || V <- Vs],
+ LC = embed_vars(Vars, AnyLine),
+ LC1 = intro_anno(LC, before, QId, NodeInfo),
+ LC2 = intro_anno(LC, 'after', QId, NodeInfo),
Filter = {block,AnyLine,[LC1,Filter0,LC2]},
{Filter,{GVs,[{QId,[]} | QIds]},Foo}
end,
@@ -317,9 +391,15 @@ intro_variables(FormsNoShadows, State) ->
Es0 = compile_errors(FForms),
%% A variable is bound inside the filter if it is not bound before
%% the filter, but it is bound after the filter (obviously).
- Before = [{QId,V} || {{QId,f1},erl_lint,{unbound_var,V}} <- Es0],
- After = [{QId,V} || {{QId,f2},erl_lint,{unbound_var,V}} <- Es0],
- Unsafe = [{QId,V} || {{QId,f2},erl_lint,{unsafe_var,V,_Where}} <- Es0],
+ Before = [{QId,V} ||
+ {L,erl_lint,{unbound_var,V}} <- Es0,
+ {_L,{QId,before}} <- ets:lookup(NodeInfo, L)],
+ After = [{QId,V} ||
+ {L,erl_lint,{unbound_var,V}} <- Es0,
+ {_L,{QId,'after'}} <- ets:lookup(NodeInfo, L)],
+ Unsafe = [{QId,V} ||
+ {L,erl_lint,{unsafe_var,V,_Where}} <- Es0,
+ {_L,{QId,'after'}} <- ets:lookup(NodeInfo, L)],
?DEBUG("Before = ~p~n", [Before]),
?DEBUG("After = ~p~n", [After]),
?DEBUG("Unsafe = ~p~n", [Unsafe]),
@@ -328,9 +408,14 @@ intro_variables(FormsNoShadows, State) ->
I1 = family(IV ++ GenVars),
sofs:to_external(sofs:family_union(sofs:family(QIds), I1)).
-intro_set_line(Tag, Vars) ->
- L = erl_parse:set_line(1, fun(_) -> Tag end),
- [{var,L,V} || V <- Vars].
+intro_anno(LC, Where, QId, NodeInfo) ->
+ Data = {QId,Where},
+ Fun = fun(Anno) ->
+ Location = erl_anno:location(Anno),
+ true = ets:insert(NodeInfo, {Location,Data}),
+ Anno
+ end,
+ erl_parse:map_anno(Fun, save_anno(LC, NodeInfo)).
compile_errors(FormsNoShadows) ->
case compile_forms(FormsNoShadows, []) of
@@ -341,11 +426,8 @@ compile_errors(FormsNoShadows) ->
lists:flatmap(fun({_File,Es}) -> Es end, Errors)
end.
--define(MAX_NUM_OF_LINES, 23). % assume max 1^23 lines (> 8 millions)
-
compile_forms(Forms0, Options) ->
- Forms = [F || F <- Forms0, element(1, F) =/= eof] ++
- [{eof,1 bsl ?MAX_NUM_OF_LINES}],
+ Forms = [F || F <- Forms0, element(1, F) =/= eof] ++ [{eof,anno0()}],
try
case compile:noenv_forms(Forms, compile_options(Options)) of
{ok, _ModName, Ws0} ->
@@ -384,20 +466,23 @@ bitstr_options() ->
%% for each ListExpr. The expression mentions all introduced variables
%% occurring in ListExpr. Running the function through the compiler
%% yields error messages for erroneous use of introduced variables.
-%% The messages have the form
-%% {{extra,LineNo,File,Var},Module,{unbound_var,V}}, where Var is the
-%% original variable name and V is the name invented by no_shadows/2.
%%
used_genvar_check(FormsNoShadows, State) ->
- F = fun(QId, {T, Ln, _P, LE}=Q, {QsIVs0, Exprs0}, IVsSoFar0)
+ NodeInfo = State#state.node_info,
+ F = fun(QId, {T, Ln, _P, LE}=Q, {QsIVs0, Exprs0}, IVsSoFar0)
when T =:= b_generate; T =:= generate ->
- F = fun({var, _, V}=Var) ->
- {var, L, OrigVar} = undo_no_shadows(Var),
- AF = fun(Line) ->
- {extra, Line, get(?QLC_FILE), OrigVar}
- end,
- L2 = erl_parse:set_line(L, AF),
- {var, L2, V}
+ F = fun(Var) ->
+ {var, Anno0, OrigVar} =
+ undo_no_shadows(Var, State),
+ {var, Anno, _} = NewVar = save_anno(Var, NodeInfo),
+ Location0 = erl_anno:location(Anno0),
+ Location = erl_anno:location(Anno),
+ [{Location, Data}] =
+ ets:lookup(NodeInfo, Location),
+ Pos = {Location0,get(?QLC_FILE),OrigVar},
+ NData = Data#{genvar_pos => Pos},
+ true = ets:insert(NodeInfo, {Location, NData}),
+ NewVar
end,
Vs = [Var || {var, _, V}=Var <- qlc:var_fold(F, [], LE),
lists:member(V, IVsSoFar0)],
@@ -411,12 +496,12 @@ used_genvar_check(FormsNoShadows, State) ->
{QsIVs, IVsSoFar} = q_intro_vars(QId, QsIVs0, IVsSoFar0),
{Filter, {QsIVs, Exprs}, IVsSoFar}
end,
- IntroVars = intro_variables(FormsNoShadows, State),
- Acc0 = {IntroVars, [{atom, 0, true}]},
+ Acc0 = {State#state.intro_vars, [{atom, anno0(), true}]},
{_, {[], Exprs}} = qual_fold(F, Acc0, [], FormsNoShadows, State),
FunctionNames = [Name || {function, _, Name, _, _} <- FormsNoShadows],
UniqueFName = qlc:aux_name(used_genvar, 1, sets:from_list(FunctionNames)),
- {function,0,UniqueFName,0,[{clause,0,[],[],lists:reverse(Exprs)}]}.
+ A = anno0(),
+ {function,A,UniqueFName,0,[{clause,A,[],[],lists:reverse(Exprs)}]}.
q_intro_vars(QId, [{QId, IVs} | QsIVs], IVsSoFar) -> {QsIVs, IVs ++ IVsSoFar}.
@@ -514,7 +599,8 @@ q_intro_vars(QId, [{QId, IVs} | QsIVs], IVsSoFar) -> {QsIVs, IVs ++ IVsSoFar}.
%% (calling LEf returns the objects generated by LE).
transform(FormsNoShadows, State) ->
- IntroVars = intro_variables(FormsNoShadows, State),
+ _ = erlang:system_flag(backtrace_depth, 500),
+ IntroVars = State#state.intro_vars,
AllVars = sets:from_list(ordsets:to_list(qlc:vars(FormsNoShadows))),
?DEBUG("AllVars = ~p~n", [sets:to_list(AllVars)]),
F1 = fun(QId, {generate,_,P,LE}, Foo, {GoI,SI}) ->
@@ -588,8 +674,8 @@ transform(FormsNoShadows, State) ->
[{match,L,{var,L,Fun},FunC},
{call,L,{var,L,Fun},As0}]}]}},
{ok, OrigE0} = dict:find(Id, Source),
- OrigE = undo_no_shadows(OrigE0),
- QCode = qcode(OrigE, XQCs, Source, L),
+ OrigE = undo_no_shadows(OrigE0, State),
+ QCode = qcode(OrigE, XQCs, Source, L, State),
Qdata = qdata(XQCs, L),
TemplateInfo =
template_columns(Qs, E, AllIVs, Dependencies, State),
@@ -598,7 +684,7 @@ transform(FormsNoShadows, State) ->
Opt = opt_info(TemplateInfo, SizeInfo, JoinInfo, MSQs, L,
EqColumnConstants, EqualColumnConstants),
LCTuple =
- case qlc_kind(OrigE, Qs) of
+ case qlc_kind(OrigE, Qs, State) of
qlc ->
{tuple,L,[?A(qlc_v1),FunW,QCode,Qdata,Opt]};
{simple, PL, LE, V} ->
@@ -612,7 +698,7 @@ transform(FormsNoShadows, State) ->
end,
{NForms,{[],XW}} = qlc_mapfold(F2, {IntroVars,[]}, ModifiedForms1, State),
display_forms(NForms),
- {restore_line_numbers(NForms), State#state{xwarnings = XW}}.
+ {NForms, State#state{xwarnings = XW}}.
join_kind(Qs, LcL, AllIVs, Dependencies, State) ->
{EqualCols2, EqualColsN} = equal_columns(Qs, AllIVs, Dependencies, State),
@@ -623,20 +709,21 @@ join_kind(Qs, LcL, AllIVs, Dependencies, State) ->
if
EqualColsN =/= []; MatchColsN =/= [] ->
{[],
- [{get(?QLC_FILE),[{abs(LcL),?APIMOD,too_complex_join}]}]};
+ [{get(?QLC_FILE),[{LcL,?APIMOD,too_complex_join}]}]};
EqualCols2 =:= [], MatchCols2 =:= [] ->
{[], []};
length(Tables) > 2 ->
{[],
- [{get(?QLC_FILE),[{abs(LcL),?APIMOD,too_many_joins}]}]};
+ [{get(?QLC_FILE),[{LcL,?APIMOD,too_many_joins}]}]};
EqualCols2 =:= MatchCols2 ->
{EqualCols2, []};
true ->
{{EqualCols2, MatchCols2}, []}
end.
-qlc_kind(OrigE, Qs) ->
- {OrigFilterData, OrigGeneratorData} = qual_data(undo_no_shadows(Qs)),
+qlc_kind(OrigE, Qs, State) ->
+ {OrigFilterData, OrigGeneratorData} =
+ qual_data(undo_no_shadows(Qs, State)),
OrigAllFilters = filters_as_one(OrigFilterData),
{_FilterData, GeneratorData} = qual_data(Qs),
case {OrigE, OrigAllFilters, OrigGeneratorData} of
@@ -663,12 +750,12 @@ warn_failing_qualifiers(Qualifiers, AllIVs, Dependencies, State) ->
lists:foldl(fun({_QId,{fil,_Filter}}, {[]=Frames,Warnings}) ->
{Frames,Warnings};
({_QId,{fil,Filter}}, {Frames,Warnings}) ->
- case filter(set_line(Filter, 0), Frames, BindFun,
+ case filter(reset_anno(Filter), Frames, BindFun,
State, Imported) of
[] ->
{[],
[{get(?QLC_FILE),
- [{abs_loc(element(2, Filter)),?APIMOD,
+ [{loc(element(2, Filter)),?APIMOD,
nomatch_filter}]} | Warnings]};
Frames1 ->
{Frames1,Warnings}
@@ -678,7 +765,7 @@ warn_failing_qualifiers(Qualifiers, AllIVs, Dependencies, State) ->
{failed, _, _} ->
{Frames,
[{get(?QLC_FILE),
- [{abs_loc(element(2, Pattern)),?APIMOD,
+ [{loc(element(2, Pattern)),?APIMOD,
nomatch_pattern}]} | Warnings]};
_ ->
{Frames,Warnings}
@@ -751,8 +838,8 @@ opt_constants(L, ColumnConstants) ->
|| IdNo <- Ns]
++ [{clause,L,[?V('_')],[],[?A(no_column_fun)]}].
-abstr(Term, Line) ->
- erl_parse:abstract(Term, Line).
+abstr(Term, Anno) ->
+ erl_parse:abstract(Term, loc(Anno)).
%% Extra generators are introduced for join.
join_quals(JoinInfo, QCs, L, LcNo, ExtraConstants, AllVars) ->
@@ -837,9 +924,10 @@ join_handle(AP, L, [F, H, O, C], Constants) ->
{{var, _, _}, []} ->
{'fun',L,{clauses,[{clause,L,[H],[],[H]}]}};
_ ->
+ A = anno0(),
G0 = [begin
- Call = {call,0,{atom,0,element},[{integer,0,Col},O]},
- list2op([{op,0,Op,Con,Call} || {Con,Op} <- Cs], 'or')
+ Call = {call,A,{atom,A,element},[{integer,A,Col},O]},
+ list2op([{op,A,Op,Con,Call} || {Con,Op} <- Cs], 'or')
end || {Col,Cs} <- Constants],
G = if G0 =:= [] -> G0; true -> [G0] end,
CC1 = {clause,L,[AP],G,[{cons,L,O,closure({call,L,F,[F,C]},L)}]},
@@ -876,14 +964,15 @@ join_handle_constants(QId, ExtraConstants) ->
%% order the traverse fun would return them.
column_fun(Columns, QualifierNumber, LcL) ->
+ A = anno0(),
ColCls0 =
[begin
true = Vs0 =/= [], % at least one value to look up
Vs1 = list2cons(Vs0),
- Fils1 = {tuple,0,[{atom,0,FTag},
+ Fils1 = {tuple,A,[{atom,A,FTag},
lists:foldr
- (fun(F, A) -> {cons,0,{integer,0,F},A}
- end, {nil,0}, Fils)]},
+ (fun(F, Ac) -> {cons,A,{integer,A,F},Ac}
+ end, {nil,A}, Fils)]},
Tag = case ordsets:to_list(qlc:vars(Vs1)) of
Imp when length(Imp) > 0, % imported vars
length(Vs0) > 1 ->
@@ -891,13 +980,13 @@ column_fun(Columns, QualifierNumber, LcL) ->
_ ->
values
end,
- Vs = {tuple,0,[{atom,0,Tag},Vs1,Fils1]},
- {clause,0,[erl_parse:abstract(Col)],[],[Vs]}
+ Vs = {tuple,A,[{atom,A,Tag},Vs1,Fils1]},
+ {clause,A,[erl_parse:abstract(Col)],[],[Vs]}
end ||
{{CIdNo,Col}, Vs0, {FTag,Fils}} <- Columns,
CIdNo =:= QualifierNumber]
- ++ [{clause,0,[{var,0,'_'}],[],[{atom,0,false}]}],
- ColCls = set_line(ColCls0, LcL),
+ ++ [{clause,A,[{var,A,'_'}],[],[{atom,A,false}]}],
+ ColCls = set_anno(ColCls0, LcL),
{'fun', LcL, {clauses, ColCls}}.
%% Tries to find columns of the template that (1) are equal to (or
@@ -920,7 +1009,7 @@ template_columns(Qs0, E0, AllIVs, Dependencies, State) ->
MatchColumns = eq_columns2(Qs, AllIVs, Dependencies, State),
Equal = template_cols(EqualColumns),
Match = template_cols(MatchColumns),
- L = 0,
+ L = anno0(),
if
Match =:= Equal ->
[{?V('_'), Match}];
@@ -947,7 +1036,7 @@ template_cols(ColumnClasses) ->
template_as_pattern(E) ->
P = simple_template(E),
- {?TID,foo,foo,{gen,P,{nil,0}}}.
+ {?TID,foo,foo,{gen,P,{nil,anno0()}}}.
simple_template({call,L,{remote,_,{atom,_,erlang},{atom,_,element}}=Call,
[{integer,_,I}=A1,A2]}) when I > 0 ->
@@ -1004,10 +1093,10 @@ match_spec_quals(Template, Dependencies, Qualifiers, State) ->
GQId =:= QId2,
{FQId,{fil,F}}=Filter <- Filters, % guard filters only
FQId =:= QId]
- ++ [{GId#qid.no,Pattern,[],{atom,0,true}} ||
+ ++ [{GId#qid.no,Pattern,[],{atom,anno0(),true}} ||
{GId,{gen,Pattern,_}} <- GeneratorData,
lists:member(GId, NoFilterGIds)],
- E = {nil, 0},
+ E = {nil, anno0()},
GF = [{{GNum,Pattern},Filter} ||
{GNum,Pattern,Filter,F} <- Candidates,
no =/= try_ms(E, Pattern, F, State)],
@@ -1024,7 +1113,7 @@ match_spec_quals(Template, Dependencies, Qualifiers, State) ->
%% expressione can be replaced by a match specification.
[{GNum, AbstrMS, all}]
catch _:_ ->
- {TemplVar, _} = anon_var({var,0,'_'}, 0),
+ {TemplVar, _} = anon_var({var,anno0(),'_'}, 0),
[one_gen_match_spec(GNum, Pattern, GFilterData, State, TemplVar) ||
{{GNum,Pattern},GFilterData} <- GFFL]
end.
@@ -1038,7 +1127,7 @@ gen_ms(E, Pattern, GFilterData, State) ->
{ok, MS, AMS} = try_ms(E, Pattern, filters_as_one(GFilterData), State),
case MS of
[{'$1',[true],['$1']}] ->
- {atom, 0, no_match_spec};
+ {atom, anno0(), no_match_spec};
_ ->
AMS
end.
@@ -1060,7 +1149,7 @@ pattern_as_template({match,_,_E,{var,_,_}=V}=P, _TemplVar) ->
pattern_as_template({match,_,{var,_,_}=V,_E}=P, _TemplVar) ->
{V, P};
pattern_as_template(E, TemplVar) ->
- L = 0,
+ L = anno0(),
{TemplVar, {match, L, E, TemplVar}}.
%% Tries to find columns which are compared or matched against
@@ -1203,7 +1292,7 @@ lu_skip(ColConstants, FilterData, PatternFrame, PatternVars,
ColFil = [{Column, FId#qid.no} ||
{FId,{fil,Fil}} <-
filter_list(FilterData, Dependencies, State),
- [] =/= (SFs = safe_filter(set_line(Fil, 0), PatternFrames,
+ [] =/= (SFs = safe_filter(reset_anno(Fil), PatternFrames,
BindFun, State, Imported)),
{GId,PV} <- PatternVars,
[] =/=
@@ -1392,7 +1481,7 @@ join_skip(JoinClasses, FilterData, PatternFrame, PatternVars, Dependencies,
JF = unify(JoinOp, V1, V2, JF2, BindFun, Imported),
%% "Run" the filter:
- SFs = safe_filter(set_line(Fil, 0), PatternFrames,
+ SFs = safe_filter(reset_anno(Fil), PatternFrames,
BindFun, State, Imported),
JImp = qlc:vars([SFs, JF]), % kludge
lists:all(fun(Frame) ->
@@ -1403,7 +1492,7 @@ join_skip(JoinClasses, FilterData, PatternFrame, PatternVars, Dependencies,
filter_info(FilterData, AllIVs, Dependencies, State) ->
FilterList = filter_list(FilterData, Dependencies, State),
- Filter0 = set_line(filters_as_one(FilterList), 0),
+ Filter0 = reset_anno(filters_as_one(FilterList)),
Anon0 = 0,
{Filter, Anon1} = anon_var(Filter0, Anon0),
Imported = ordsets:subtract(qlc:vars(Filter), % anonymous too
@@ -1510,7 +1599,7 @@ pattern(P0, AnonI, Frame0, BindFun, State) ->
catch _:_ -> P0 % template, records already expanded
end,
%% Makes test for equality simple:
- P2 = set_line(P1, 0),
+ P2 = reset_anno(P1),
{P3, AnonN} = anon_var(P2, AnonI),
{P4, F1} = match_in_pattern(tuple2cons(P3), Frame0, BindFun),
{P, F2} = element_calls(P4, F1, BindFun, _Imp=[]), % kludge for templates
@@ -1550,8 +1639,11 @@ anon_var(E, AnonI) ->
(Var, N) -> {Var, N}
end, AnonI, E).
-set_line(T, L) ->
- map_lines(fun(_L) -> L end, T).
+reset_anno(T) ->
+ set_anno(T, anno0()).
+
+set_anno(T, A) ->
+ erl_parse:map_anno(fun(_L) -> A end, T).
-record(fstate, {state, bind_fun, imported}).
@@ -1673,7 +1765,7 @@ frames_to_columns(Fs, PatternVars, DerefFun, SelectorFun, Imp, CompOp) ->
%% same variables have to be the representatives in every frame.)
SizesVarsL =
[begin
- PatVar = {var,0,PV},
+ PatVar = {var,anno0(),PV},
PatternSizes = [pattern_size([F], PatVar, false) ||
F <- Fs],
MaxPZ = lists:max([0 | PatternSizes -- [undefined]]),
@@ -1692,8 +1784,8 @@ frames_to_columns(Fs, PatternVars, DerefFun, SelectorFun, Imp, CompOp) ->
frames2cols(Fs, PatN, PatSizes, Vars, DerefFun, SelectorFun, CompOp) ->
Rs = [ begin
RL = [{{PatN,Col},cons2tuple(element(2, Const))} ||
- {V, Col} <- lists:zip(sublist(Vars, PatSz),
- seq(1, PatSz)),
+ {V, Col} <- lists:zip(lists:sublist(Vars, PatSz),
+ lists:seq(1, PatSz)),
%% Do not handle the case where several
%% values compare equal, e.g. "X =:= 1
%% andalso X == 1.0". Looking up both
@@ -1722,11 +1814,11 @@ frames2cols(Fs, PatN, PatSizes, Vars, DerefFun, SelectorFun, CompOp) ->
[C || {_,Vs}=C <- sofs:to_external(Cs), not col_ignore(Vs, CompOp)].
pat_vars(N) ->
- [unique_var() || _ <- seq(1, N)].
+ [unique_var() || _ <- lists:seq(1, N)].
pat_tuple(Sz, Vars) when is_integer(Sz), Sz > 0 ->
TupleTail = unique_var(),
- {cons_tuple, list2cons(sublist(Vars, Sz) ++ TupleTail)};
+ {cons_tuple, list2cons(lists:sublist(Vars, Sz) ++ TupleTail)};
pat_tuple(_, _Vars) ->
unique_var().
@@ -1740,7 +1832,7 @@ col_ignore(Vs, '==') ->
pattern_sizes(PatternVars, Fs) ->
[{QId#qid.no, Size} ||
{QId,PV} <- PatternVars,
- undefined =/= (Size = pattern_size(Fs, {var,0,PV}, true))].
+ undefined =/= (Size = pattern_size(Fs, {var,anno0(),PV}, true))].
pattern_size(Fs, PatternVar, Exact) ->
Fun = fun(F) -> (deref_pattern(_Imported = []))(PatternVar, F) end,
@@ -1768,7 +1860,8 @@ prep_expr(E, F, S, BF, Imported) ->
element_calls(tuple2cons(expand_expr_records(E, S)), F, BF, Imported).
unify_column(Frame, Var, Col, BindFun, Imported) ->
- Call = {call,0,{atom,0,element},[{integer,0,Col}, {var,0,Var}]},
+ A = anno0(),
+ Call = {call,A,{atom,A,element},[{integer,A,Col}, {var,A,Var}]},
element_calls(Call, Frame, BindFun, Imported).
%% cons_tuple is used for representing {V1, ..., Vi | TupleTail}.
@@ -1800,19 +1893,21 @@ element_calls(E, F, _BF, _Imported) ->
{E, F}.
unique_var() ->
- {var, 0, make_ref()}.
+ {var, anno0(), make_ref()}.
is_unique_var({var, _L, V}) ->
is_reference(V).
expand_pattern_records(P, State) ->
- E = {'case',0,{atom,0,true},[{clause,0,[P],[],[{atom,0,true}]}]},
- {'case',_,_,[{clause,0,[NP],_,_}]} = expand_expr_records(E, State),
+ A = anno0(),
+ E = {'case',A,{atom,A,true},[{clause,A,[P],[],[{atom,A,true}]}]},
+ {'case',_,_,[{clause,A,[NP],_,_}]} = expand_expr_records(E, State),
NP.
expand_expr_records(E, State) ->
RecordDefs = State#state.records,
- Forms = RecordDefs ++ [{function,1,foo,0,[{clause,1,[],[],[pe(E)]}]}],
+ A = anno1(),
+ Forms = RecordDefs ++ [{function,A,foo,0,[{clause,A,[],[],[pe(E)]}]}],
[{function,_,foo,0,[{clause,_,[],[],[NE]}]}] =
erl_expand_records:module(Forms, [no_strict_record_tests]),
NE.
@@ -2126,15 +2221,15 @@ tuple2cons(E) ->
E.
list2cons([E | Es]) ->
- {cons, 0, E, list2cons(Es)};
+ {cons, anno0(), E, list2cons(Es)};
list2cons([]) ->
- {nil, 0};
+ {nil, anno0()};
list2cons(E) ->
E.
%% Returns {..., Variable} if Variable is a tuple tail.
cons2tuple({cons_tuple, Es}) ->
- {tuple, 0, cons2list(Es)};
+ {tuple, anno0(), cons2list(Es)};
cons2tuple(T) when is_tuple(T) ->
list_to_tuple(cons2tuple(tuple_to_list(T)));
cons2tuple([E | Es]) ->
@@ -2173,11 +2268,10 @@ bindings_subset(F1, F2, Imp) ->
%% not to have guard semantics, affected filters will have to be
%% recognized and excluded here as well.
try_ms(E, P, Fltr, State) ->
- L = 1,
+ L = anno1(),
Fun = {'fun',L,{clauses,[{clause,L,[P],[[Fltr]],[E]}]}},
Expr = {call,L,{remote,L,{atom,L,ets},{atom,L,fun2ms}},[Fun]},
- Form0 = {function,L,foo,0,[{clause,L,[],[],[Expr]}]},
- Form = restore_line_numbers(Form0),
+ Form = {function,L,foo,0,[{clause,L,[],[],[Expr]}]},
X = ms_transform:parse_transform(State#state.records ++ [Form], []),
case catch
begin
@@ -2194,11 +2288,11 @@ try_ms(E, P, Fltr, State) ->
end.
filters_as_one([]) ->
- {atom, 0, true};
+ {atom, anno0(), true};
filters_as_one(FilterData) ->
[{_,{fil,Filter1}} | Filters] = lists:reverse(FilterData),
lists:foldr(fun({_QId,{fil,Filter}}, AbstF) ->
- {op,0,'andalso',Filter,AbstF}
+ {op,anno0(),'andalso',Filter,AbstF}
end, Filter1, Filters).
qual_data(Qualifiers) ->
@@ -2233,38 +2327,40 @@ qdata([], L) ->
{nil,L}.
qcon(Cs) ->
- list2cons([{tuple,0,[{integer,0,Col},list2cons(qcon1(ConstOps))]} ||
+ A = anno0(),
+ list2cons([{tuple,A,[{integer,A,Col},list2cons(qcon1(ConstOps))]} ||
{Col,ConstOps} <- Cs]).
qcon1(ConstOps) ->
- [{tuple,0,[Const,abstr(Op, 0)]} || {Const,Op} <- ConstOps].
+ A = anno0(),
+ [{tuple,A,[Const,abstr(Op, A)]} || {Const,Op} <- ConstOps].
%% The original code (in Source) is used for filters and the template
%% since the translated code can have QLCs and we don't want them to
%% be visible.
-qcode(E, QCs, Source, L) ->
+qcode(E, QCs, Source, L, State) ->
CL = [begin
Bin = term_to_binary(C, [compressed]),
{bin, L, [{bin_element, L,
{string, L, binary_to_list(Bin)},
default, default}]}
end || {_,C} <- lists:keysort(1, [{qlc:template_state(),E} |
- qcode(QCs, Source)])],
+ qcode(QCs, Source, State)])],
{'fun', L, {clauses, [{clause, L, [], [], [{tuple, L, CL}]}]}}.
-qcode([{_QId, {_QIvs, {{gen,P,_LE,_GV}, GoI, _SI}}} | QCs], Source) ->
- [{GoI,undo_no_shadows(P)} | qcode(QCs, Source)];
-qcode([{QId, {_QIVs, {{fil,_F}, GoI, _SI}}} | QCs], Source) ->
+qcode([{_QId, {_QIvs, {{gen,P,_LE,_GV}, GoI, _SI}}} | QCs], Source, State) ->
+ [{GoI,undo_no_shadows(P, State)} | qcode(QCs, Source, State)];
+qcode([{QId, {_QIVs, {{fil,_F}, GoI, _SI}}} | QCs], Source, State) ->
{ok,OrigF} = dict:find(QId, Source),
- [{GoI,undo_no_shadows(OrigF)} | qcode(QCs, Source)];
-qcode([], _Source) ->
+ [{GoI,undo_no_shadows(OrigF, State)} | qcode(QCs, Source, State)];
+qcode([], _Source, _State) ->
[].
closure(Code, L) ->
{'fun',L,{clauses,[{clause,L,[],[],[Code]}]}}.
-simple(L, Var, Init, Line) ->
- {tuple,L,[?A(simple_v1),?A(Var),Init,?I(Line)]}.
+simple(L, Var, Init, Anno) ->
+ {tuple,L,[?A(simple_v1),?A(Var),Init,abstr(loc(Anno), Anno)]}.
clauses([{QId,{QIVs,{QualData,GoI,S}}} | QCs], RL, Fun, Go, NGV, E, IVs,St) ->
?DEBUG("QIVs = ~p~n", [QIVs]),
@@ -2426,19 +2522,22 @@ aux_var(Name, LcN, QN, N, AllVars) ->
qlc:aux_name(lists:concat([Name, LcN, '_', QN, '_']), N, AllVars).
no_compiler_warning(L) ->
- erl_parse:set_line(L, fun(Line) -> -abs(Line) end).
+ Anno = erl_anno:new(L),
+ erl_anno:set_generated(true, Anno).
-abs_loc(L) ->
- loc(erl_parse:set_line(L, fun(Line) -> abs(Line) end)).
-
-loc(L) ->
- {location,Location} = erl_parse:get_attribute(L, location),
- Location.
+loc(A) ->
+ erl_anno:location(A).
list2op([E], _Op) ->
E;
list2op([E | Es], Op) ->
- {op,0,Op,E,list2op(Es, Op)}.
+ {op,anno0(),Op,E,list2op(Es, Op)}.
+
+anno0() ->
+ erl_anno:new(0).
+
+anno1() ->
+ erl_anno:new(1).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -2491,13 +2590,61 @@ qlcmf(T, _F, _Imp, A, No) ->
occ_vars(E) ->
qlc:var_fold(fun({var,_L,V}) -> V end, [], E).
+%% Every Anno is replaced by a unique number. The number is used in a
+%% table that holds data about the abstract node where Anno resides.
+%% In particular, the original location is kept there, so that the
+%% original abstract code can be re-created.
+save_anno(Abstr, NodeInfo) ->
+ F = fun(Anno) ->
+ N = next_slot(NodeInfo),
+ Location = erl_anno:location(Anno),
+ Data = {N, #{location => Location}},
+ true = ets:insert(NodeInfo, Data),
+ erl_anno:new(N)
+ end,
+ erl_parse:map_anno(F, Abstr).
+
+next_slot(T) ->
+ I = ets:update_counter(T, var_n, 1),
+ case ets:lookup(T, I) of
+ [] ->
+ I;
+ _ ->
+ next_slot(T)
+ end.
+
+restore_anno(Abstr, NodeInfo) ->
+ F = fun(Anno) ->
+ Location = erl_anno:location(Anno),
+ case ets:lookup(NodeInfo, Location) of
+ [{Location, Data}] ->
+ OrigLocation = maps:get(location, Data),
+ erl_anno:set_location(OrigLocation, Anno);
+ [{Location}] -> % generated code
+ Anno;
+ [] ->
+ Anno
+ end
+ end,
+ erl_parse:map_anno(F, Abstr).
+
+restore_loc(Location, #state{node_info = NodeInfo}) ->
+ case ets:lookup(NodeInfo, Location) of
+ [{Location, #{location := OrigLocation}}] ->
+ OrigLocation;
+ [{Location}] ->
+ Location;
+ [] ->
+ Location
+ end.
+
no_shadows(Forms0, State) ->
%% Variables that may shadow other variables are introduced in
%% LCs and Funs. Such variables (call them SV, Shadowing
%% Variables) are now renamed. Each (new) occurrence in a pattern
%% is assigned an index (integer), unique in the file.
%%
- %% The state {LastIndex,ActiveVars,UsedVars,AllVars,Singletons}
+ %% The state {LastIndex,ActiveVars,UsedVars,AllVars,Singletons,State}
%% holds the last index used for each SV (LastIndex), the SVs in
%% the current scope (ActiveVars), used SVs (UsedVars, the indexed
%% name is the key), all variables occurring in the file
@@ -2507,16 +2654,15 @@ no_shadows(Forms0, State) ->
%% the indexed name of an SV occurs in the file, next index is
%% tried (to avoid mixing up introduced names with existing ones).
%%
- %% The original names of variables are kept in the line number
- %% position of the abstract code: {var, {nos, OriginalName, L},
- %% NewName}. undo_no_shadows/1 re-creates the original code.
+ %% The original names of variables are kept in a table in State.
+ %% undo_no_shadows/2 re-creates the original code.
AllVars = sets:from_list(ordsets:to_list(qlc:vars(Forms0))),
?DEBUG("nos AllVars = ~p~n", [sets:to_list(AllVars)]),
VFun = fun(_Id, LC, Vs) -> nos(LC, Vs) end,
LI = ets:new(?APIMOD,[]),
UV = ets:new(?APIMOD,[]),
D0 = dict:new(),
- S1 = {LI, D0, UV, AllVars, []},
+ S1 = {LI, D0, UV, AllVars, [], State},
_ = qlc_mapfold(VFun, S1, Forms0, State),
?DEBUG("UsedIntroVars = ~p~n", [ets:match_object(UV, '_')]),
Singletons = ets:select(UV, ets:fun2ms(fun({K,0}) -> K end)),
@@ -2524,7 +2670,7 @@ no_shadows(Forms0, State) ->
true = ets:delete_all_objects(LI),
true = ets:delete_all_objects(UV),
%% Do it again, this time we know which variables are singletons.
- S2 = {LI, D0, UV, AllVars, Singletons},
+ S2 = {LI, D0, UV, AllVars, Singletons, State},
{Forms,_} = qlc_mapfold(VFun, S2, Forms0, State),
true = ets:delete(LI),
true = ets:delete(UV),
@@ -2568,11 +2714,11 @@ nos({lc,L,E0,Qs0}, S) ->
{Qs, S1} = lists:mapfoldl(F, S, Qs0),
{E, _} = nos(E0, S1),
{{lc,L,E,Qs}, S};
-nos({var,L,V}=Var, {_LI,Vs,UV,_A,_Sg}=S) when V =/= '_' ->
+nos({var,L,V}=Var, {_LI,Vs,UV,_A,_Sg,State}=S) when V =/= '_' ->
case used_var(V, Vs, UV) of
{true, VN} ->
- NL = nos_var(L, V),
- {{var,NL,VN}, S};
+ nos_var(L, V, State),
+ {{var,L,VN}, S};
false ->
{Var, S}
end;
@@ -2590,7 +2736,7 @@ nos_pattern([P0 | Ps0], S0, PVs0) ->
{P, S1, PVs1} = nos_pattern(P0, S0, PVs0),
{Ps, S, PVs} = nos_pattern(Ps0, S1, PVs1),
{[P | Ps], S, PVs};
-nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg}, PVs0) when V =/= '_' ->
+nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg,State}, PVs0) when V =/= '_' ->
{Name, Vs, PVs} =
case lists:keyfind(V, 1, PVs0) of
{V, VN} ->
@@ -2604,16 +2750,25 @@ nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg}, PVs0) when V =/= '_' ->
end,
{N, Vs1, [{V,VN} | PVs0]}
end,
- NL = nos_var(L, V),
- {{var,NL,Name}, {LI,Vs,UV,A,Sg}, PVs};
+ nos_var(L, V, State),
+ {{var,L,Name}, {LI,Vs,UV,A,Sg,State}, PVs};
nos_pattern(T, S0, PVs0) when is_tuple(T) ->
{TL, S, PVs} = nos_pattern(tuple_to_list(T), S0, PVs0),
{list_to_tuple(TL), S, PVs};
nos_pattern(T, S, PVs) ->
{T, S, PVs}.
-nos_var(L, Name) ->
- erl_parse:set_line(L, fun(Line) -> {nos,Name,Line} end).
+nos_var(Anno, Name, State) ->
+ NodeInfo = State#state.node_info,
+ Location = erl_anno:location(Anno),
+ case ets:lookup(NodeInfo, Location) of
+ [{Location, #{name := _}}] ->
+ true;
+ [{Location, Data}] ->
+ true = ets:insert(NodeInfo, {Location, Data#{name => Name}});
+ [] -> % cannot happen
+ true
+ end.
used_var(V, Vs, UV) ->
case dict:find(V, Vs) of
@@ -2638,69 +2793,30 @@ next_var(V, Vs, AllVars, LI, UV) ->
{VN, NVs}
end.
-undo_no_shadows(E) ->
- var_map(fun undo_no_shadows1/1, E).
-
-undo_no_shadows1({var, L, _}=Var) ->
- case erl_parse:get_attribute(L, line) of
- {line,{nos,V,_VL}} ->
- NL = erl_parse:set_line(L, fun({nos,_V,VL}) -> VL end),
- undo_no_shadows1({var, NL, V});
- _Else ->
- Var
- end.
-
-restore_line_numbers(E) ->
- var_map(fun restore_line_numbers1/1, E).
+undo_no_shadows(E, State) ->
+ var_map(fun(Anno) -> undo_no_shadows1(Anno, State) end, E).
-restore_line_numbers1({var, L, V}=Var) ->
- case erl_parse:get_attribute(L, line) of
- {line,{nos,_,_}} ->
- NL = erl_parse:set_line(L, fun({nos,_V,VL}) -> VL end),
- restore_line_numbers1({var, NL, V});
- _Else ->
+undo_no_shadows1({var, Anno, _}=Var, State) ->
+ Location = erl_anno:location(Anno),
+ NodeInfo = State#state.node_info,
+ case ets:lookup(NodeInfo, Location) of
+ [{Location, #{name := Name}}] ->
+ {var, Anno, Name};
+ _ ->
Var
end.
%% QLC identifier.
%% The first one encountered in the file has No=1.
-make_lcid(Attrs, No) when is_integer(No), No > 0 ->
- F = fun(Line) when is_integer(Line), Line < (1 bsl ?MAX_NUM_OF_LINES) ->
- sgn(Line) * ((No bsl ?MAX_NUM_OF_LINES) + sgn(Line) * Line)
- end,
- erl_parse:set_line(Attrs, F).
-
-is_lcid(Attrs) ->
- try
- {line,Id} = erl_parse:get_attribute(Attrs, line),
- is_integer(Id) andalso (abs(Id) > (1 bsl ?MAX_NUM_OF_LINES))
- catch _:_ ->
- false
- end.
-
-get_lcid_no(IdAttrs) ->
- {line,Id} = erl_parse:get_attribute(IdAttrs, line),
- abs(Id) bsr ?MAX_NUM_OF_LINES.
-
-get_lcid_line(IdAttrs) ->
- {line,Id} = erl_parse:get_attribute(IdAttrs, line),
- sgn(Id) * (abs(Id) band ((1 bsl ?MAX_NUM_OF_LINES) - 1)).
+make_lcid(Anno, No) when is_integer(No), No > 0 ->
+ {No, erl_anno:line(Anno)}.
-sgn(X) when X >= 0 ->
- 1;
-sgn(X) when X < 0 ->
- -1.
+get_lcid_no({No, _Line}) ->
+ No.
-seq(S, E) when S - E =:= 1 ->
- [];
-seq(S, E) ->
- lists:seq(S, E).
-
-sublist(_, 0) ->
- [];
-sublist(L, N) ->
- lists:sublist(L, N).
+get_lcid_line({_No, Line}) ->
+ Line.
qid(LCId, No) ->
#qid{no = No, lcid = LCId}.
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index 679c13f0cf..c6ba574ff4 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -1,7 +1,7 @@
%%
%% %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
@@ -314,7 +314,8 @@ prompt(N, Eval0, Bs0, RT, Ds0) ->
case get_prompt_func() of
{M,F} ->
L = [{history,N}],
- C = {call,1,{remote,1,{atom,1,M},{atom,1,F}},[{value,1,L}]},
+ A = erl_anno:new(1),
+ C = {call,A,{remote,A,{atom,A,M},{atom,A,F}},[{value,A,L}]},
{V,Eval,Bs,Ds} = shell_cmd([C], Eval0, Bs0, RT, Ds0, pmt),
{Eval,Bs,Ds,case V of
{pmt,Val} ->
@@ -416,7 +417,7 @@ expand_expr({call,_L,{atom,_,v},[N]}, C) ->
{_,undefined,_} ->
no_command(N);
{Ces,V,CommandN} when is_list(Ces) ->
- {value,CommandN,V}
+ {value,erl_anno:new(CommandN),V}
end;
expand_expr({call,L,F,Args}, C) ->
{call,L,expand_expr(F, C),expand_exprs(Args, C)};
@@ -901,7 +902,7 @@ prep_check({call,Line,{atom,_,f},[{var,_,_Name}]}) ->
{atom,Line,ok};
prep_check({value,_CommandN,_Val}) ->
%% erl_lint cannot handle the history expansion {value,_,_}.
- {atom,0,ok};
+ {atom,a0(),ok};
prep_check(T) when is_tuple(T) ->
list_to_tuple(prep_check(tuple_to_list(T)));
prep_check([E | Es]) ->
@@ -913,7 +914,7 @@ expand_records([], E0) ->
E0;
expand_records(UsedRecords, E0) ->
RecordDefs = [Def || {_Name,Def} <- UsedRecords],
- L = 1,
+ L = erl_anno:new(1),
E = prep_rec(E0),
Forms = RecordDefs ++ [{function,L,foo,0,[{clause,L,[],[],[E]}]}],
[{function,L,foo,0,[{clause,L,[],[],[NE]}]}] =
@@ -1320,13 +1321,15 @@ list_bindings([{Name,Val}|Bs], RT) ->
case erl_eval:fun_data(Val) of
{fun_data,_FBs,FCs0} ->
FCs = expand_value(FCs0), % looks nicer
- F = {'fun',0,{clauses,FCs}},
- M = {match,0,{var,0,Name},F},
+ A = a0(),
+ F = {'fun',A,{clauses,FCs}},
+ M = {match,A,{var,A,Name},F},
io:fwrite(<<"~ts\n">>, [erl_pp:expr(M, enc())]);
{named_fun_data,_FBs,FName,FCs0} ->
FCs = expand_value(FCs0), % looks nicer
- F = {named_fun,0,FName,FCs},
- M = {match,0,{var,0,Name},F},
+ A = a0(),
+ F = {named_fun,A,FName,FCs},
+ M = {match,A,{var,A,Name},F},
io:fwrite(<<"~ts\n">>, [erl_pp:expr(M, enc())]);
false ->
Namel = io_lib:fwrite(<<"~s = ">>, [Name]),
@@ -1356,13 +1359,18 @@ expand_value(E) ->
%% There is no abstract representation of funs.
try_abstract(V, CommandN) ->
try erl_parse:abstract(V)
- catch _:_ -> {call,0,{atom,0,v},[{integer,0,CommandN}]}
+ catch
+ _:_ ->
+ A = a0(),
+ {call,A,{atom,A,v},[{integer,A,CommandN}]}
end.
%% Rather than listing possibly huge results the calls to v/1 are shown.
prep_list_commands(E) ->
- substitute_v1(fun({value,CommandN,_V}) ->
- {call,0,{atom,0,v},[{integer,0,CommandN}]}
+ A = a0(),
+ substitute_v1(fun({value,Anno,_V}) ->
+ CommandN = erl_anno:line(Anno),
+ {call,A,{atom,A,v},[{integer,A,CommandN}]}
end, E).
substitute_v1(F, {value,_,_}=Value) ->
@@ -1374,6 +1382,9 @@ substitute_v1(F, [E | Es]) ->
substitute_v1(_F, E) ->
E.
+a0() ->
+ erl_anno:new(0).
+
check_and_get_history_and_results() ->
check_env(shell_history_length),
check_env(shell_saved_results),
diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src
index a435d683a5..d4d2237b38 100644
--- a/lib/stdlib/src/stdlib.app.src
+++ b/lib/stdlib/src/stdlib.app.src
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. 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
@@ -39,6 +39,7 @@
edlin_expand,
epp,
eval_bits,
+ erl_anno,
erl_bits,
erl_compile,
erl_eval,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 21:26:03 +0000