Create literal boilerplate as part of cloning in the top-level compiler....

src/runtime.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 380 matching lines @@
 
   Handle<Object> object = CreateArrayLiteralBoilerplate(literals, elements);
   if (object.is_null()) return Failure::Exception();
 
   // Update the functions literal and return the boilerplate.
   literals->set(literals_index, *object);
   return *object;
 }
 
 
+static Object* Runtime_CreateObjectLiteral(Arguments args) {
+  HandleScope scope;
+  ASSERT(args.length() == 3);
+  CONVERT_ARG_CHECKED(FixedArray, literals, 0);
+  CONVERT_SMI_CHECKED(literals_index, args[1]);
+  CONVERT_ARG_CHECKED(FixedArray, constant_properties, 2);
+
+  // Check if boilerplate exists. If not, create it first.
+  Handle<Object> boilerplate(literals->get(literals_index));
+  if (*boilerplate == Heap::undefined_value()) {
+    boilerplate = CreateObjectLiteralBoilerplate(literals, constant_properties);
+    if (boilerplate.is_null()) return Failure::Exception();
+    // Update the functions literal and return the boilerplate.
+    literals->set(literals_index, *boilerplate);
+  }
+  return DeepCopyBoilerplate(JSObject::cast(*boilerplate));
+}
+
+
+static Object* Runtime_CreateObjectLiteralShallow(Arguments args) {
+  HandleScope scope;
+  ASSERT(args.length() == 3);
+  CONVERT_ARG_CHECKED(FixedArray, literals, 0);
+  CONVERT_SMI_CHECKED(literals_index, args[1]);
+  CONVERT_ARG_CHECKED(FixedArray, constant_properties, 2);
+
+  // Check if boilerplate exists. If not, create it first.
+  Handle<Object> boilerplate(literals->get(literals_index));
+  if (*boilerplate == Heap::undefined_value()) {
+    boilerplate = CreateObjectLiteralBoilerplate(literals, constant_properties);
+    if (boilerplate.is_null()) return Failure::Exception();
+    // Update the functions literal and return the boilerplate.
+    literals->set(literals_index, *boilerplate);
+  }
+  return Heap::CopyJSObject(JSObject::cast(*boilerplate));
+}
+
+
+static Object* Runtime_CreateArrayLiteral(Arguments args) {
+  HandleScope scope;
+  ASSERT(args.length() == 3);
+  CONVERT_ARG_CHECKED(FixedArray, literals, 0);
+  CONVERT_SMI_CHECKED(literals_index, args[1]);
+  CONVERT_ARG_CHECKED(FixedArray, elements, 2);
+
+  // Check if boilerplate exists. If not, create it first.
+  Handle<Object> boilerplate(literals->get(literals_index));
+  if (*boilerplate == Heap::undefined_value()) {
+    boilerplate = CreateArrayLiteralBoilerplate(literals, elements);
+    if (boilerplate.is_null()) return Failure::Exception();
+    // Update the functions literal and return the boilerplate.
+    literals->set(literals_index, *boilerplate);
+  }
+  return DeepCopyBoilerplate(JSObject::cast(*boilerplate));
+}
+
+
+static Object* Runtime_CreateArrayLiteralShallow(Arguments args) {
+  HandleScope scope;
+  ASSERT(args.length() == 3);
+  CONVERT_ARG_CHECKED(FixedArray, literals, 0);
+  CONVERT_SMI_CHECKED(literals_index, args[1]);
+  CONVERT_ARG_CHECKED(FixedArray, elements, 2);
+
+  // Check if boilerplate exists. If not, create it first.
+  Handle<Object> boilerplate(literals->get(literals_index));
+  if (*boilerplate == Heap::undefined_value()) {
+    boilerplate = CreateArrayLiteralBoilerplate(literals, elements);
+    if (boilerplate.is_null()) return Failure::Exception();
+    // Update the functions literal and return the boilerplate.
+    literals->set(literals_index, *boilerplate);
+  }
+  return Heap::CopyJSObject(JSObject::cast(*boilerplate));
+}
+
+
 static Object* Runtime_CreateCatchExtensionObject(Arguments args) {
   ASSERT(args.length() == 2);
   CONVERT_CHECKED(String, key, args[0]);
   Object* value = args[1];
   // Create a catch context extension object.
   JSFunction* constructor =
       Top::context()->global_context()->context_extension_function();
   Object* object = Heap::AllocateJSObject(constructor);
   if (object->IsFailure()) return object;
   // Assign the exception value to the catch variable and make sure
@@ skipping 7551 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal