Renamed "symbols" to "internalized strings" throughout the code base,

src/json-stringifier.h

 // Copyright 2012 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 143 matching lines @@
   INLINE(void set_accumulator(Handle<String> string)) {
     return accumulator_store_->set_value(*string);
   }
 
   Isolate* isolate_;
   Factory* factory_;
   // We use a value wrapper for the string accumulator to keep the
   // (indirect) handle to it in the outermost handle scope.
   Handle<JSValue> accumulator_store_;
   Handle<String> current_part_;
-  Handle<String> tojson_symbol_;
+  Handle<String> tojson_string_;
   Handle<JSArray> stack_;
   int current_index_;
   int part_length_;
   bool is_ascii_;
 
   static const int kJsonEscapeTableEntrySize = 8;
   static const char* const JsonEscapeTable;
 };
 
 
@@ skipping 34 matching lines @@
     "|\0      }\0      ~\0      \177\0      ";
 
 
 BasicJsonStringifier::BasicJsonStringifier(Isolate* isolate)
     : isolate_(isolate), current_index_(0), is_ascii_(true) {
   factory_ = isolate_->factory();
   accumulator_store_ = Handle<JSValue>::cast(
                            factory_->ToObject(factory_->empty_string()));
   part_length_ = kInitialPartLength;
   current_part_ = factory_->NewRawOneByteString(kInitialPartLength);
-  tojson_symbol_ =
-      factory_->LookupOneByteSymbol(STATIC_ASCII_VECTOR("toJSON"));
+  tojson_string_ =
+      factory_->InternalizeOneByteString(STATIC_ASCII_VECTOR("toJSON"));
   stack_ = factory_->NewJSArray(8);
 }
 
 
 MaybeObject* BasicJsonStringifier::Stringify(Handle<Object> object) {
   switch (SerializeObject(object)) {
     case UNCHANGED:
       return isolate_->heap()->undefined_value();
     case SUCCESS:
       ShrinkCurrentPart();
@@ skipping 24 matching lines @@
 
 template <bool is_ascii, typename Char>
 void BasicJsonStringifier::Append_(const Char* chars) {
   for ( ; *chars != '\0'; chars++) Append_<is_ascii, Char>(*chars);
 }
 
 
 Handle<Object> BasicJsonStringifier::ApplyToJsonFunction(
     Handle<Object> object, Handle<Object> key) {
   LookupResult lookup(isolate_);
-  JSObject::cast(*object)->LookupRealNamedProperty(*tojson_symbol_, &lookup);
+  JSObject::cast(*object)->LookupRealNamedProperty(*tojson_string_, &lookup);
   if (!lookup.IsProperty()) return object;
   PropertyAttributes attr;
   Handle<Object> fun =
-      Object::GetProperty(object, object, &lookup, tojson_symbol_, &attr);
+      Object::GetProperty(object, object, &lookup, tojson_string_, &attr);
   if (!fun->IsJSFunction()) return object;
 
   // Call toJSON function.
   if (key->IsSmi()) key = factory_->NumberToString(key);
   Handle<Object> argv[] = { key };
   bool has_exception = false;
   HandleScope scope(isolate_);
   object = Execution::Call(fun, object, 1, argv, &has_exception);
   // Return empty handle to signal an exception.
   if (has_exception) return Handle<Object>::null();
@@ skipping 112 matching lines @@
   // Attach result string to the accumulator.
   set_accumulator(factory_->NewConsString(accumulator(), result_string));
   return SUCCESS;
 }
 
 
 BasicJsonStringifier::Result BasicJsonStringifier::SerializeJSValue(
     Handle<JSValue> object) {
   bool has_exception = false;
   String* class_name = object->class_name();
-  if (class_name == isolate_->heap()->String_symbol()) {
+  if (class_name == isolate_->heap()->String_string()) {
     Handle<Object> value = Execution::ToString(object, &has_exception);
     if (has_exception) return EXCEPTION;
     SerializeString(Handle<String>::cast(value));
-  } else if (class_name == isolate_->heap()->Number_symbol()) {
+  } else if (class_name == isolate_->heap()->Number_string()) {
     Handle<Object> value = Execution::ToNumber(object, &has_exception);
     if (has_exception) return EXCEPTION;
     if (value->IsSmi()) return SerializeSmi(Smi::cast(*value));
     SerializeHeapNumber(Handle<HeapNumber>::cast(value));
   } else {
-    ASSERT(class_name == isolate_->heap()->Boolean_symbol());
+    ASSERT(class_name == isolate_->heap()->Boolean_string());
     Object* value = JSValue::cast(*object)->value();
     ASSERT(value->IsBoolean());
     AppendAscii(value->IsTrue() ? "true" : "false");
   }
   return SUCCESS;
 }
 
 
 BasicJsonStringifier::Result BasicJsonStringifier::SerializeSmi(Smi* object) {
   static const int kBufferSize = 100;
@@ skipping 313 matching lines @@
       SerializeString_<false, uint8_t>(object);
     } else {
       SerializeString_<false, uc16>(object);
     }
   }
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSON_STRINGIFIER_H_