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authorBjörn Gustavsson <[email protected]>2010-03-17 16:39:05 +0000
committerErlang/OTP <[email protected]>2010-03-17 16:39:05 +0000
commit7d2981f0896113d6dce20c777bbadbbb1d641554 (patch)
tree0ccf59a91311a466b4215ee3a4c7a92816391292 /lib/compiler/src
parentba24a5d2f839bb0cfef00bdb8bf74744e77ed587 (diff)
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compiler: Provide more information if the v3_life pass crashes
Print the name and arity of the function being compiled if the v3_life compiler pass crashes to facilitate finding out which part of the source code that triggered the problem.
Diffstat (limited to 'lib/compiler/src')
-rw-r--r--lib/compiler/src/v3_life.erl46
1 files changed, 26 insertions, 20 deletions
diff --git a/lib/compiler/src/v3_life.erl b/lib/compiler/src/v3_life.erl
index 0adeaca8fa..8e6b153d57 100644
--- a/lib/compiler/src/v3_life.erl
+++ b/lib/compiler/src/v3_life.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1999-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1999-2010. 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/.
-%%
+%%
%% 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.
-%%
+%%
%% %CopyrightEnd%
%%
%% Purpose : Convert annotated kernel expressions to annotated beam format.
@@ -66,21 +66,27 @@ functions([], Acc) -> reverse(Acc).
%% function(Kfunc) -> Func.
function(#k_fdef{func=F,arity=Ar,vars=Vs,body=Kb}) ->
- %ok = io:fwrite("life ~w: ~p~n~p~n", [?LINE,{F,Ar},Kb]),
- As = var_list(Vs),
- Vdb0 = foldl(fun ({var,N}, Vdb) -> new_var(N, 0, Vdb) end, [], As),
- %% Force a top-level match!
- B0 = case Kb of
- #k_match{} -> Kb;
- _ ->
- Ka = get_kanno(Kb),
- #k_match{anno=#k{us=Ka#k.us,ns=[],a=Ka#k.a},
- vars=Vs,body=Kb,ret=[]}
- end,
- put(guard_refc, 0),
- {B1,_,Vdb1} = body(B0, 1, Vdb0),
- erase(guard_refc),
- {function,F,Ar,As,B1,Vdb1}.
+ try
+ As = var_list(Vs),
+ Vdb0 = foldl(fun ({var,N}, Vdb) -> new_var(N, 0, Vdb) end, [], As),
+ %% Force a top-level match!
+ B0 = case Kb of
+ #k_match{} -> Kb;
+ _ ->
+ Ka = get_kanno(Kb),
+ #k_match{anno=#k{us=Ka#k.us,ns=[],a=Ka#k.a},
+ vars=Vs,body=Kb,ret=[]}
+ end,
+ put(guard_refc, 0),
+ {B1,_,Vdb1} = body(B0, 1, Vdb0),
+ erase(guard_refc),
+ {function,F,Ar,As,B1,Vdb1}
+ catch
+ Class:Error ->
+ Stack = erlang:get_stacktrace(),
+ io:fwrite("Function: ~w/~w\n", [F,Ar]),
+ erlang:raise(Class, Error, Stack)
+ end.
%% body(Kbody, I, Vdb) -> {[Expr],MaxI,Vdb}.
%% Handle a body, need special cases for transforming match_fails.