diff options
Diffstat (limited to 'lib/stdlib/src/erl_expand_records.erl')
-rw-r--r-- | lib/stdlib/src/erl_expand_records.erl | 65 |
1 files changed, 25 insertions, 40 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index 64a00acd88..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); @@ -384,21 +382,11 @@ expr({call,Line,{tuple,_,[{atom,_,erlang},{atom,_,is_record}]}, expr({call,Line,{atom,_La,N}=Atom,As0}, St0) -> {As,St1} = expr_list(As0, St0), Ar = length(As), - case erl_internal:bif(N, Ar) of - true -> - {{call,Line,Atom,As},St1}; - false -> - case imported(N, Ar, St1) of - {yes,_Mod} -> - {{call,Line,Atom,As},St1}; - no -> - case {N,Ar} of - {record_info,2} -> - record_info_call(Line, As, St1); - _ -> - {{call,Line,Atom,As},St1} - end - end + case {N,Ar} =:= {record_info,2} andalso not imported(N, Ar, St1) of + true -> + record_info_call(Line, As, St1); + false -> + {{call,Line,Atom,As},St1} end; expr({call,Line,{remote,Lr,M,F},As0}, St0) -> {[M1,F1 | As1],St1} = expr_list([M,F | As0], St0), @@ -469,7 +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}}, @@ -585,8 +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,'_'}],[], @@ -600,7 +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, @@ -701,8 +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]}]}, @@ -733,8 +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. @@ -832,10 +821,7 @@ add_imports(Mod, [F | Fs], Is) -> add_imports(_, [], Is) -> Is. imported(F, A, St) -> - case orddict:find({F,A}, St#exprec.imports) of - {ok,Mod} -> {yes,Mod}; - error -> no - end. + orddict:is_key({F,A}, St#exprec.imports). %%% %%% Replace is_record/3 in guards with matching if possible. @@ -969,12 +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. |