Issue 2089 Expose value wrapper's inner values

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 3c65d09d2b1dcd06747c54222d65e6e46ef98f41..a20c8ee42401cb89a145b1d238b6a60e7020d618 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -12270,6 +12270,23 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_DebugGetPrototype) {
 }
 
 
+// Returns internal property PrimitiveValue value for standard objects
+// Boolean, Number and String (not for Date). Otherwise returns undefined.
+// args[0]: the object that possibly holds PrimitiveValue property.
+RUNTIME_FUNCTION(MaybeObject*, Runtime_DebugGetPrimitiveValue) {
+  ASSERT(args.length() == 1);
+
+  CONVERT_ARG_CHECKED(JSObject, obj, 0);
+
+  if (!obj->IsJSValue()) {
+    return isolate->heap()->undefined_value();
+  }
+  JSValue* value = JSValue::cast(obj);
+
+  return value->value();
+}

[Yang, 2012/04/17 12:48:44]

This seems to do the same as %_ValueOf (see FullCodeGenerator::EmitValueOf).

[Peter Rybin, 2012/04/18 12:36:09]

Done.

+
+
 // Patches script source (should be called upon BeforeCompile event).
 RUNTIME_FUNCTION(MaybeObject*, Runtime_DebugSetScriptSource) {
   HandleScope scope(isolate);