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-rw-r--r--lib/stdlib/src/erl_expand_records.erl95
1 files changed, 49 insertions, 46 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index 57e768ba9d..bcfeef7321 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2012. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -144,10 +145,11 @@ pattern({map_field_exact,Line,K0,V0}, St0) ->
%% {{struct,Line,Tag,TPs},TPsvs,St1};
pattern({record_index,Line,Name,Field}, St) ->
{index_expr(Line, Field, Name, record_fields(Name, St)),St};
-pattern({record,Line,Name,Pfs}, St0) ->
+pattern({record,Line0,Name,Pfs}, St0) ->
Fs = record_fields(Name, St0),
{TMs,St1} = pattern_list(pattern_fields(Fs, Pfs), St0),
- {{tuple,Line,[{atom,Line,Name} | TMs]},St1};
+ Line = mark_record(Line0, St1),
+ {{tuple,Line,[{atom,Line0,Name} | TMs]},St1};
pattern({bin,Line,Es0}, St0) ->
{Es1,St1} = pattern_bin(Es0, St0),
{{bin,Line,Es1},St1};
@@ -240,7 +242,7 @@ 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)
@@ -266,7 +268,7 @@ 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},
@@ -329,8 +331,9 @@ expr({map_field_exact,Line,K0,V0}, St0) ->
expr({record_index,Line,Name,F}, St) ->
I = index_expr(Line, F, Name, record_fields(Name, St)),
expr(I, St);
-expr({record,Line,Name,Is}, St) ->
- expr({tuple,Line,[{atom,Line,Name} |
+expr({record,Line0,Name,Is}, St) ->
+ Line = mark_record(Line0, St),
+ expr({tuple,Line,[{atom,Line0,Name} |
record_inits(record_fields(Name, St), Is)]},
St);
expr({record_field,Line,R,Name,F}, St) ->
@@ -380,21 +383,11 @@ 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),
@@ -465,7 +458,7 @@ 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}},
@@ -581,9 +574,10 @@ 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),
+ NLine = no_compiler_warning(Line),
+ RLine = mark_record(NLine, St),
E = {'case',NLine,R,
- [{clause,NLine,[{tuple,NLine,P}],[],[Var]},
+ [{clause,NLine,[{tuple,RLine,P}],[],[Var]},
{clause,NLine,[{var,NLine,'_'}],[],
[{call,NLine,{remote,NLine,
{atom,NLine,erlang},
@@ -595,7 +589,8 @@ 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,
@@ -696,10 +691,11 @@ 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),
+ NLr = no_compiler_warning(Lr),
+ RLine = mark_record(Lr, St1),
{{'case',Lr,R,
- [{clause,Lr,[{tuple,Lr,[{atom,Lr,Name} | Ps]}],[],
- [{tuple,Lr,[{atom,Lr,Name} | News]}]},
+ [{clause,Lr,[{tuple,RLine,[{atom,Lr,Name} | Ps]}],[],
+ [{tuple,RLine,[{atom,Lr,Name} | News]}]},
{clause,NLr,[{var,NLr,'_'}],[],
[call_error(NLr, {tuple,NLr,[{atom,NLr,badrecord},{atom,NLr,Name}]})]}
]},
@@ -727,7 +723,11 @@ 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),
+ 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.
{'case',Lr,R,
[{clause,Lr,[{tuple,Lr,[{atom,Lr,Name} | Wildcards]}],[],
[foldr(fun ({I,Lf,Val}, Acc) ->
@@ -822,10 +822,7 @@ 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.
@@ -836,7 +833,7 @@ optimize_is_record(H0, G0, #exprec{compile=Opts}) ->
[] ->
{H0,G0};
Rs0 ->
- case lists:member(no_is_record_optimization, Opts) of
+ case lists:member(dialyzer, Opts) of % no_is_record_optimization
true ->
{H0,G0};
false ->
@@ -959,5 +956,11 @@ 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).
+
+mark_record(Anno, St) ->
+ case lists:member(dialyzer, St#exprec.compile) of
+ true -> erl_anno:set_record(true, Anno);
+ false -> Anno
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 21:04:31 +0000