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insns.def: refactor by wanabe

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* insns.def (defined): use vm_search_superclass() like as normal super
  call.  based on a patch <https://gist.github.com/wanabe/5520026> by
  wanabe.
* vm_insnhelper.c (vm_search_superclass): return error but not raise
  exceptions.
* vm_insnhelper.c (vm_search_super_method): check the result of
  vm_search_superclass and raise execptions on error.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-05-05 09:57:02 +00:00
parent 08fbd2cee2
commit babae04960
3 changed files with 32 additions and 21 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
Sun May 5 18:56:52 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* insns.def (defined): use vm_search_superclass() like as normal super
call. based on a patch <https://gist.github.com/wanabe/5520026> by
wanabe.
* vm_insnhelper.c (vm_search_superclass): return error but not raise
exceptions.
* vm_insnhelper.c (vm_search_super_method): check the result of
vm_search_superclass and raise execptions on error.
Sun May 5 16:29:41 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* insns.def (defined): get method entry from the method top level

19
insns.def
View file

@ -764,21 +764,10 @@ defined
}
break;
case DEFINED_ZSUPER:{
const rb_method_entry_t *me = GET_CFP()->me;
if (!me) {
const rb_control_frame_t *end_cfp = RUBY_VM_END_CONTROL_FRAME(GET_THREAD());
const rb_control_frame_t *cfp = GET_CFP();
const VALUE *const local_ep = rb_vm_ep_local_ep(cfp->ep);
while (RUBY_VM_VALID_CONTROL_FRAME_P(cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp), end_cfp)) {
if (cfp->ep == local_ep) {
me = cfp->me;
break;
}
}
}
if (me) {
VALUE klass = vm_search_normal_superclass(GET_CFP()->klass);
ID id = me->def ? me->def->original_id : me->called_id;
rb_call_info_t cit;
if (vm_search_superclass(GET_CFP(), GET_ISEQ(), Qnil, &cit) == 0) {
VALUE klass = cit.klass;
ID id = cit.mid;
if (rb_method_boundp(klass, id, 0)) {
expr_type = DEFINED_ZSUPER;
}

22
vm_insnhelper.c
View file

@ -1954,7 +1954,7 @@ vm_super_outside(void)
rb_raise(rb_eNoMethodError, "super called outside of method");
}
static void
static int
vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval, rb_call_info_t *ci)
{
while (iseq && !iseq->klass) {
@ -1962,7 +1962,7 @@ vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval,
}
if (iseq == 0) {
vm_super_outside();
return -1;
}
ci->mid = iseq->defined_method_id;
@ -1973,7 +1973,7 @@ vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval,
if (!sigval) {
/* zsuper */
rb_raise(rb_eRuntimeError, "implicit argument passing of super from method defined by define_method() is not supported. Specify all arguments explicitly.");
return -2;
}
while (lcfp->iseq != iseq) {
@ -1982,7 +1982,7 @@ vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval,
while (1) {
lcfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(lcfp);
if (RUBY_VM_CONTROL_FRAME_STACK_OVERFLOW_P(th, lcfp)) {
vm_super_outside();
return -1;
}
if (lcfp->ep == tep) {
break;
@ -1992,7 +1992,7 @@ vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval,
/* temporary measure for [Bug #2420] [Bug #3136] */
if (!lcfp->me) {
vm_super_outside();
return -1;
}
ci->mid = lcfp->me->def->original_id;
@ -2001,6 +2001,8 @@ vm_search_superclass(rb_control_frame_t *reg_cfp, rb_iseq_t *iseq, VALUE sigval,
else {
ci->klass = vm_search_normal_superclass(reg_cfp->klass);
}
return 0;
}
static void
@ -2030,7 +2032,15 @@ vm_search_super_method(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_inf
rb_obj_classname(ci->recv), rb_class2name(m));
}
vm_search_superclass(GET_CFP(), iseq, sigval, ci);
switch (vm_search_superclass(GET_CFP(), iseq, sigval, ci)) {
case -1:
vm_super_outside();
case -2:
rb_raise(rb_eRuntimeError,
"implicit argument passing of super from method defined"
" by define_method() is not supported."
" Specify all arguments explicitly.");
}
/* TODO: use inline cache */
ci->me = rb_method_entry(ci->klass, ci->mid, &ci->defined_class);