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-rw-r--r--lib/compiler/src/v3_kernel.erl24
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 47e5e49a76..f2eaa37617 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2011. 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
@@ -83,6 +83,7 @@
-import(lists, [map/2,foldl/3,foldr/3,mapfoldl/3,splitwith/2,member/2,
keymember/3,keyfind/3]).
-import(ordsets, [add_element/2,del_element/2,union/2,union/1,subtract/2]).
+-import(cerl, [c_tuple/1]).
-include("core_parse.hrl").
-include("v3_kernel.hrl").
@@ -422,10 +423,11 @@ expr(#c_call{anno=A,module=M0,name=F0,args=Cargs}, Sub, St0) ->
end;
expr(#c_primop{anno=A,name=#c_literal{val=match_fail},args=Cargs0}, Sub, St0) ->
Cargs = translate_match_fail(Cargs0, Sub, A, St0),
- %% This special case will disappear.
{Kargs,Ap,St} = atomic_list(Cargs, Sub, St0),
Ar = length(Cargs),
- Call = #k_call{anno=A,op=#k_internal{name=match_fail,arity=Ar},args=Kargs},
+ Call = #k_call{anno=A,op=#k_remote{mod=#k_atom{val=erlang},
+ name=#k_atom{val=error},
+ arity=Ar},args=Kargs},
{Call,Ap,St};
expr(#c_primop{anno=A,name=#c_literal{val=N},args=Cargs}, Sub, St0) ->
{Kargs,Ap,St1} = atomic_list(Cargs, Sub, St0),
@@ -455,14 +457,14 @@ expr(#ireceive_accept{anno=A}, _Sub, St) -> {#k_receive_accept{anno=A},[],St}.
translate_match_fail(Args, Sub, Anno, St) ->
case Args of
[#c_tuple{es=[#c_literal{val=function_clause}|As]}] ->
- translate_match_fail_1(Anno, Args, As, Sub, St);
+ translate_match_fail_1(Anno, As, Sub, St);
[#c_literal{val=Tuple}] when is_tuple(Tuple) ->
%% The inliner may have created a literal out of
%% the original #c_tuple{}.
case tuple_to_list(Tuple) of
[function_clause|As0] ->
As = [#c_literal{val=E} || E <- As0],
- translate_match_fail_1(Anno, Args, As, Sub, St);
+ translate_match_fail_1(Anno, As, Sub, St);
_ ->
Args
end;
@@ -471,7 +473,7 @@ translate_match_fail(Args, Sub, Anno, St) ->
Args
end.
-translate_match_fail_1(Anno, Args, As, Sub, #kern{ff=FF}) ->
+translate_match_fail_1(Anno, As, Sub, #kern{ff=FF}) ->
AnnoFunc = case keyfind(function_name, 1, Anno) of
false ->
none; %Force rewrite.
@@ -481,10 +483,10 @@ translate_match_fail_1(Anno, Args, As, Sub, #kern{ff=FF}) ->
case {AnnoFunc,FF} of
{Same,Same} ->
%% Still in the correct function.
- Args;
+ translate_fc(As);
{{F,_},F} ->
%% Still in the correct function.
- Args;
+ translate_fc(As);
_ ->
%% Wrong function or no function_name annotation.
%%
@@ -493,9 +495,12 @@ translate_match_fail_1(Anno, Args, As, Sub, #kern{ff=FF}) ->
%% the current function). match_fail(function_clause) will
%% only work at the top level of the function it was originally
%% defined in, so we will need to rewrite it to a case_clause.
- [#c_tuple{es=[#c_literal{val=case_clause},#c_tuple{es=As}]}]
+ [c_tuple([#c_literal{val=case_clause},c_tuple(As)])]
end.
+translate_fc(Args) ->
+ [#c_literal{val=function_clause},make_list(Args)].
+
%% call_type(Module, Function, Arity) -> call | bif | apply | error.
%% Classify the call.
call_type(#c_literal{val=M}, #c_literal{val=F}, Ar) when is_atom(M), is_atom(F) ->
@@ -1494,7 +1499,6 @@ iletrec_funs_gen(Fs, FreeVs, St) ->
%% is_exit_expr(Kexpr) -> boolean().
%% Test whether Kexpr always exits and never returns.
-is_exit_expr(#k_call{op=#k_internal{name=match_fail,arity=1}}) -> true;
is_exit_expr(#k_receive_next{}) -> true;
is_exit_expr(_) -> false.