diff options
Diffstat (limited to 'lib/compiler/src/beam_dict.erl')
-rw-r--r-- | lib/compiler/src/beam_dict.erl | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/compiler/src/beam_dict.erl b/lib/compiler/src/beam_dict.erl index 531968b3c8..ff6c7c11dc 100644 --- a/lib/compiler/src/beam_dict.erl +++ b/lib/compiler/src/beam_dict.erl @@ -138,7 +138,17 @@ string(Str, Dict) when is_list(Str) -> -spec lambda(label(), non_neg_integer(), bdict()) -> {non_neg_integer(), bdict()}. -lambda(Lbl, NumFree, #asm{lambdas=Lambdas0}=Dict) -> +lambda(Lbl, 0, #asm{lambdas=Lambdas0}=Dict) -> + case lists:keyfind(Lbl, 1, Lambdas0) of + {Lbl,{OldIndex,_,_,_,_}} -> + {OldIndex,Dict}; + false -> + new_lambda(Lbl, 0, Dict) + end; +lambda(Lbl, NumFree, Dict) -> + new_lambda(Lbl, NumFree, Dict). + +new_lambda(Lbl, NumFree, #asm{lambdas=Lambdas0}=Dict) -> OldIndex = length(Lambdas0), %% Set Index the same as OldIndex. Index = OldIndex, @@ -235,10 +245,12 @@ string_table(#asm{strings=Strings,string_offset=Size}) -> -spec lambda_table(bdict()) -> {non_neg_integer(), [<<_:192>>]}. -lambda_table(#asm{locals=Loc0,lambdas=Lambdas0}) -> +lambda_table(#asm{exports=Ext0,locals=Loc0,lambdas=Lambdas0}) -> Lambdas1 = sofs:relation(Lambdas0), Loc = sofs:relation([{Lbl,{F,A}} || {F,A,Lbl} <- Loc0]), - Lambdas2 = sofs:relative_product1(Lambdas1, Loc), + Ext = sofs:relation([{Lbl,{F,A}} || {F,A,Lbl} <- Ext0]), + All = sofs:union(Loc, Ext), + Lambdas2 = sofs:relative_product1(Lambdas1, All), Lambdas = [<<F:32,A:32,Lbl:32,Index:32,NumFree:32,OldUniq:32>> || {{_,Lbl,Index,NumFree,OldUniq},{F,A}} <- sofs:to_external(Lambdas2)], {length(Lambdas),Lambdas}. |