A first skeleton for introducing Harmony proxies

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 5b1f5a7ad06fed5499c751c788227c4b86b11730..7a584baef581547e33cbff8e3aa004a5c5a47c2c 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -148,6 +148,9 @@ void HeapObject::HeapObjectPrint(FILE* out) {
     case CODE_TYPE:
       Code::cast(this)->CodePrint(out);
       break;
+    case JS_PROXY_TYPE:
+      JSProxy::cast(this)->JSProxyPrint(out);
+      break;
     case PROXY_TYPE:
       Proxy::cast(this)->ProxyPrint(out);
       break;
@@ -408,6 +411,7 @@ static const char* TypeToString(InstanceType type) {
     case JS_FUNCTION_TYPE: return "JS_FUNCTION";
     case CODE_TYPE: return "CODE";
     case JS_ARRAY_TYPE: return "JS_ARRAY";
+    case JS_PROXY_TYPE: return "JS_PROXY";
     case JS_REGEXP_TYPE: return "JS_REGEXP";
     case JS_VALUE_TYPE: return "JS_VALUE";
     case JS_GLOBAL_OBJECT_TYPE: return "JS_GLOBAL_OBJECT";
@@ -530,6 +534,15 @@ void String::StringPrint(FILE* out) {
 }
 
 
+void JSProxy::JSProxyPrint(FILE* out) {
+  HeapObject::PrintHeader(out, "JSProxy");
+  PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
+  PrintF(out, " - handler = ");
+  handler()->Print(out);
+  PrintF(out, "\n");
+}
+
+
 void JSFunction::JSFunctionPrint(FILE* out) {
   HeapObject::PrintHeader(out, "Function");
   PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));