merge revision(s) 46465,46469,46484: [Backport #9961]

* vm.c (rb_vm_rewind_cfp): add new function to rewind specified cfp
	  with invoking RUBY_EVENT_C_RETURN.
	  [Bug #9961]

	* vm_core.h: ditto.

	* eval.c (rb_protect): use it.

	* eval.c (rb_rescue2): ditto.

	* vm_eval.c (rb_iterate): ditto.

	* test/ruby/test_settracefunc.rb: add a test.

	* vm_core.h (rb_name_err_mesg_new): 

	* vm_eval.c (rb_catch_protect): fix same problem of [Bug #9961].

	* vm_eval.c (rb_iterate): ditto.

	* vm_core.h (rb_vm_rewind_cfp): add the prototype declaration.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@47342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2014-08-31 08:14:15 +00:00
parent 3ed06c80eb
commit b10c3b6d51
7 changed files with 100 additions and 17 deletions

View file

@ -1068,18 +1068,7 @@ rb_iterate(VALUE (* it_proc) (VALUE), VALUE data1,
th->errinfo = Qnil;
retval = GET_THROWOBJ_VAL(err);
/* check skipped frame */
while (th->cfp != cfp) {
#if VMDEBUG
printf("skipped frame: %s\n", vm_frametype_name(th->cfp));
#endif
if (VM_FRAME_TYPE(th->cfp) != VM_FRAME_MAGIC_CFUNC) {
vm_pop_frame(th);
}
else { /* unlikely path */
rb_vm_pop_cfunc_frame();
}
}
rb_vm_rewind_cfp(th, cfp);
}
else{
/* SDR(); printf("%p, %p\n", cdfp, escape_dfp); */
@ -1090,10 +1079,11 @@ rb_iterate(VALUE (* it_proc) (VALUE), VALUE data1,
VALUE *cep = cfp->ep;
if (cep == escape_ep) {
rb_vm_rewind_cfp(th, cfp);
state = 0;
th->state = 0;
th->errinfo = Qnil;
th->cfp = cfp;
goto iter_retry;
}
}
@ -1835,7 +1825,7 @@ rb_catch_obj(VALUE tag, VALUE (*func)(), VALUE data)
val = (*func)(tag, data, 1, &tag, Qnil);
}
else if (state == TAG_THROW && RNODE(th->errinfo)->u1.value == tag) {
th->cfp = saved_cfp;
rb_vm_rewind_cfp(th, saved_cfp);
val = th->tag->retval;
th->errinfo = Qnil;
state = 0;