* vm_trace.c: add two methods:

  (1) TracePoint#return_value which returns return
  value on the :return and :c_return event.
  (2) TracePoint#raised_exception which returns raised exception
  value on the :raise event.
  Eeach methods raise RuntimeError if it is called at unsupported
  event.
  Please review and give us feedback until next preview
  release (Dec/2012) of Ruby 2.0.0.
* insns.def, vm.c, vm_eval.c, vm_insnhelper.c, eval.c, thread.c:
  ditto.
* vm_trace.c, vm_core.h: move definition of rb_trace_arg_t from
  vm_trace.c to vm_core.h.
  Caller fills rb_trace_arg_t and pass the pointer of this variable.
* test/ruby/test_settracefunc.rb: fix tests to test this change.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37752 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/insns.def b/insns.def
index 32d6c9a873..6a5463710e 100644
--- a/insns.def
+++ b/insns.def
@@ -871,7 +871,8 @@ trace
                   rb_sourceline());
         }
     }
-    EXEC_EVENT_HOOK(th, flag, GET_SELF(), 0, 0 /* TODO: id, klass */);
+    EXEC_EVENT_HOOK(th, flag, GET_SELF(), 0, 0 /* id and klass are resolved at callee */,
+		    flag & RUBY_EVENT_RETURN ? TOPN(0) : Qundef);
 }
 
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