* vm_trace.c (rb_tracepoint_attr_raised_exception): should not check

value before event checking.
* vm_trace.c (rb_tracepoint_attr_return_value): ditto.
* test/ruby/test_settracefunc.rb: add tests for TracePoint#return_value
  and TracePoint#raised_exception.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37830 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,13 @@
+Sat Nov 24 13:10:14 2012  Koichi Sasada  <ko1@atdot.net>
+
+	* vm_trace.c (rb_tracepoint_attr_raised_exception): should not check
+	  value before event checking.
+
+	* vm_trace.c (rb_tracepoint_attr_return_value): ditto.
+
+	* test/ruby/test_settracefunc.rb: add tests for TracePoint#return_value
+	  and TracePoint#raised_exception.
+
 Sat Nov 24 12:47:27 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
 
 	* test/ruby/test_process.rb (TestProcess#test_setsid): "./ruby-trunk"

test/ruby/test_settracefunc.rb

@@ -639,4 +639,47 @@ class TestSetTraceFunc < Test::Unit::TestCase
     trace.disable
     assert_equal(false, trace.enabled?)
   end
+
+  def method_test_tracepoint_return_value obj
+    obj
+  end
+
+  def test_tracepoint_return_value
+    trace = TracePoint.new(:call, :return){|tp|
+      case tp.event
+      when :call
+        assert_raise(RuntimeError) {tp.return_value}
+      when :return
+        assert_equal("xyzzy", tp.return_value)
+      end
+    }
+    trace.enable{
+      method_test_tracepoint_return_value "xyzzy"
+    }
+  end
+
+  class XYZZYException < Exception; end
+  def method_test_tracepoint_raised_exception err
+    raise err
+  end
+
+  def test_tracepoint_raised_exception
+    trace = TracePoint.new(:call, :return){|tp|
+      case tp.event
+      when :call, :return
+        assert_raise(RuntimeError) { tp.raised_exception }
+      when :raise
+        assert_equal(XYZZYError, tp.raised_exception)
+      end
+    }
+    trace.enable{
+      begin
+        method_test_tracepoint_raised_exception XYZZYException
+      rescue XYZZYException
+        # ok
+      else
+        raise
+      end
+    }
+  end
 end

vm_trace.c

@@ -750,15 +750,15 @@ rb_tracepoint_attr_return_value(VALUE tpval)
     rb_tp_t *tp = tpptr(tpval);
     tp_attr_check_active(tp);
 
-    if (tp->trace_arg->data == Qundef) {
-	rb_bug("tp_attr_return_value_m: unreachable");
-    }
     if (tp->trace_arg->event & (RUBY_EVENT_RETURN | RUBY_EVENT_C_RETURN)) {
 	/* ok */
     }
     else {
 	rb_raise(rb_eRuntimeError, "not supported by this event");
     }
+    if (tp->trace_arg->data == Qundef) {
+	rb_bug("tp_attr_return_value_m: unreachable");
+    }
     return tp->trace_arg->data;
 }
 
@@ -768,15 +768,15 @@ rb_tracepoint_attr_raised_exception(VALUE tpval)
     rb_tp_t *tp = tpptr(tpval);
     tp_attr_check_active(tp);
 
-    if (tp->trace_arg->data == Qundef) {
-	rb_bug("tp_attr_raised_exception_m: unreachable");
-    }
     if (tp->trace_arg->event & (RUBY_EVENT_RAISE)) {
 	/* ok */
     }
     else {
 	rb_raise(rb_eRuntimeError, "not supported by this event");
     }
+    if (tp->trace_arg->data == Qundef) {
+	rb_bug("tp_attr_raised_exception_m: unreachable");
+    }
     return tp->trace_arg->data;
 }