diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-08-09 10:43:57 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-08-09 10:43:57 +0000 |
commit | fd8fbe37fd49f690c82d48a25066abbf0313f005 (patch) | |
tree | 719c11f457237e072c6f4c55f80cf53612ea544b /vm.c | |
parent | 86024f70cff6c8029633467fd919f1b8cd9cd36c (diff) |
merge revision(s) 58262,58263: [Backport #13369]
fix TracePoint#return_value with non-local exits
* vm.c: get return_value from imemo_throw_data object (THROW_DATA_VAL()).
imemo_throw_data (TAG_BREAK) contains returned value.
However, imemo_throw_data (TAG_BREAK) can skip several frames so that
we need to use it only once (at most internal frame). To record it,
we introduced THROW_DATA_CONSUMED and check it.
* internal.h: define THROW_DATA_CONSUMED flag.
* test/ruby/test_settracefunc.rb: add tests for [Bug #13369]
* vm_insnhelper.h: add THROW_DATA_CONSUMED_P() and
THROW_DATA_CONSUMED_SET().
internal.h: parenthesize macro argument
* internal.h (THROW_DATA_P): parenthesize the argument which is
casted.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59547 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm.c')
-rw-r--r-- | vm.c | 50 |
1 files changed, 45 insertions, 5 deletions
@@ -1507,6 +1507,42 @@ vm_frametype_name(const rb_control_frame_t *cfp) } #endif +static VALUE +frame_return_value(const struct vm_throw_data *err) +{ + if (THROW_DATA_P(err) && + THROW_DATA_STATE(err) == TAG_BREAK && + THROW_DATA_CONSUMED_P(err) == FALSE) { + return THROW_DATA_VAL(err); + } + else { + return Qnil; + } +} + +#if 0 +/* for debug */ +static const char * +frame_name(const rb_control_frame_t *cfp) +{ + unsigned long type = VM_FRAME_TYPE(cfp); +#define C(t) if (type == VM_FRAME_MAGIC_##t) return #t + C(METHOD); + C(BLOCK); + C(CLASS); + C(TOP); + C(CFUNC); + C(PROC); + C(IFUNC); + C(EVAL); + C(LAMBDA); + C(RESCUE); + C(DUMMY); +#undef C + return "unknown"; +} +#endif + static void hook_before_rewind(rb_thread_t *th, const rb_control_frame_t *cfp, int will_finish_vm_exec, int state, struct vm_throw_data *err) { @@ -1516,22 +1552,26 @@ hook_before_rewind(rb_thread_t *th, const rb_control_frame_t *cfp, int will_fini switch (VM_FRAME_TYPE(th->cfp)) { case VM_FRAME_MAGIC_METHOD: RUBY_DTRACE_METHOD_RETURN_HOOK(th, 0, 0); - EXEC_EVENT_HOOK_AND_POP_FRAME(th, RUBY_EVENT_RETURN, th->cfp->self, 0, 0, Qnil); + EXEC_EVENT_HOOK_AND_POP_FRAME(th, RUBY_EVENT_RETURN, th->cfp->self, 0, 0, frame_return_value(err)); + THROW_DATA_CONSUMED_SET(err); break; case VM_FRAME_MAGIC_BLOCK: case VM_FRAME_MAGIC_LAMBDA: if (VM_FRAME_TYPE_BMETHOD_P(th->cfp)) { - EXEC_EVENT_HOOK(th, RUBY_EVENT_B_RETURN, th->cfp->self, 0, 0, Qnil); + EXEC_EVENT_HOOK(th, RUBY_EVENT_B_RETURN, th->cfp->self, 0, 0, frame_return_value(err)); if (!will_finish_vm_exec) { /* kick RUBY_EVENT_RETURN at invoke_block_from_c() for bmethod */ EXEC_EVENT_HOOK_AND_POP_FRAME(th, RUBY_EVENT_RETURN, th->cfp->self, rb_vm_frame_method_entry(th->cfp)->def->original_id, - rb_vm_frame_method_entry(th->cfp)->owner, Qnil); + rb_vm_frame_method_entry(th->cfp)->owner, + frame_return_value(err)); } + THROW_DATA_CONSUMED_SET(err); } else { - EXEC_EVENT_HOOK_AND_POP_FRAME(th, RUBY_EVENT_B_RETURN, th->cfp->self, 0, 0, Qnil); + EXEC_EVENT_HOOK_AND_POP_FRAME(th, RUBY_EVENT_B_RETURN, th->cfp->self, 0, 0, frame_return_value(err)); + THROW_DATA_CONSUMED_SET(err); } break; case VM_FRAME_MAGIC_CLASS: @@ -1711,7 +1751,7 @@ vm_exec(rb_thread_t *th) } } } - if (!catch_iseq) { + if (catch_iseq == NULL) { th->errinfo = Qnil; result = THROW_DATA_VAL(err); THROW_DATA_CATCH_FRAME_SET(err, cfp + 1); |