A first skeleton for introducing Harmony proxies

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 7800)
+++ src/runtime.cc	(working copy)
@@ -588,6 +588,18 @@
 }
 
 
+RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateJSProxy) {
+  HandleScope scope(isolate);

[Kevin Millikin (Chromium), 2011/05/13 08:08:30]

We can remove this HandleScope and call the Heap:: instead of Factor:: version
of the allocation function.

[rossberg, 2011/05/13 09:21:53]

Done.

+  ASSERT(args.length() == 2);
+  Handle<Object> handler = args.at<Object>(0);
+  Handle<Object> prototype = args.at<Object>(1);
+  Handle<Object> used_prototype =
+      (prototype->IsJSObject() || prototype->IsJSProxy()) ? prototype
+          : Handle<Object>(isolate->heap()->null_value());
+  return *isolate->factory()->NewJSProxy(handler, used_prototype);
+}
+
+
 RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateCatchExtensionObject) {
   ASSERT(args.length() == 2);
   CONVERT_CHECKED(String, key, args[0]);