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-rw-r--r--lib/stdlib/src/erl_expand_records.erl26
1 files changed, 19 insertions, 7 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index 57e768ba9d..c74f68647f 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 2005-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2014. 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
@@ -38,6 +38,8 @@
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()]).
@@ -144,10 +146,11 @@ 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 = record_offset(Line0, St1),
+ {{tuple,Line,[{atom,Line0,Name} | TMs]},St1};
pattern({bin,Line,Es0}, St0) ->
{Es1,St1} = pattern_bin(Es0, St0),
{{bin,Line,Es1},St1};
@@ -329,8 +332,9 @@ 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 = record_offset(Line0, St),
+ expr({tuple,Line,[{atom,Line0,Name} |
record_inits(record_fields(Name, St), Is)]},
St);
expr({record_field,Line,R,Name,F}, St) ->
@@ -582,8 +586,9 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) ->
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),
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},
@@ -836,7 +841,7 @@ 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 ->
@@ -961,3 +966,10 @@ opt_remove_2(A, _) -> A.
neg_line(L) ->
erl_parse:set_line(L, fun(Line) -> -abs(Line) end).
+
+record_offset(L, 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
+ end.