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* vm_insnhelper.c (vm_throw): check a class frame.

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Fixes Bug #4648.
  The patch is contributed by Kazuki Tsujimoto.
* bootstraptest/test_proc.rb: add tests for above.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2011-07-10 09:04:44 +00:00
parent b9a13f4962
commit 9cf9d5eaf7
3 changed files with 43 additions and 0 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Sun Jul 10 16:57:08 2011 Koichi Sasada <ko1@atdot.net>
* vm_insnhelper.c (vm_throw): check a class frame.
Fixes Bug #4648.
The patch is contributed by Kazuki Tsujimoto.
* bootstraptest/test_proc.rb: add tests for above.
Sun Jul 10 17:28:01 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* thread_pthread.c (mutex_debug): use exit(EXIT_FAILURE) instad of

27
bootstraptest/test_proc.rb
View file

@ -429,3 +429,30 @@ assert_equal 'ok', %q{
raise "ok"
}
assert_equal 'ok', %q{
lambda do
class A
class B
proc{return :ng}.call
end
end
end.call
:ok
}
assert_equal 'ok', %q{
$proc = proc{return}
begin
lambda do
class A
class B
$proc.call
end
end
end.call
:ng
rescue LocalJumpError
:ok
end
}

8
vm_insnhelper.c
View file

@ -1541,6 +1541,7 @@ vm_throw(rb_thread_t *th, rb_control_frame_t *reg_cfp,
rb_control_frame_t *cfp = GET_CFP();
VALUE *dfp = GET_DFP();
VALUE *lfp = GET_LFP();
int in_class_frame = 0;
/* check orphan and get dfp */
while ((VALUE *) cfp < th->stack + th->stack_size) {
@ -1548,6 +1549,7 @@ vm_throw(rb_thread_t *th, rb_control_frame_t *reg_cfp,
lfp = cfp->lfp;
}
if (cfp->dfp == lfp && cfp->iseq->type == ISEQ_TYPE_CLASS) {
in_class_frame = 1;
lfp = 0;
}
@ -1555,6 +1557,12 @@ vm_throw(rb_thread_t *th, rb_control_frame_t *reg_cfp,
if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_LAMBDA) {
VALUE *tdfp = dfp;
if (in_class_frame) {
/* lambda {class A; ... return ...; end} */
dfp = cfp->dfp;
goto valid_return;
}
while (lfp != tdfp) {
if (cfp->dfp == tdfp) {
/* in lambda */