- Add String::Concat(Handle<String> left, Handle<String> right) to the V8 API...

src/api.cc

 // Copyright 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 2896 matching lines @@
   LOG_API("String::New(char)");
   if (length == 0) return Empty();
   ENTER_V8;
   if (length == -1) length = strlen(data);
   i::Handle<i::String> result =
       i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length));
   return Utils::ToLocal(result);
 }
 
 
+Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) {
+  EnsureInitialized("v8::String::New()");
+  LOG_API("String::New(char)");
+  ENTER_V8;
+  i::Handle<i::String> left_string = Utils::OpenHandle(*left);
+  i::Handle<i::String> right_string = Utils::OpenHandle(*right);
+  i::Handle<i::String> result = i::Factory::NewConsString(left_string,
+                                                          right_string);
+  return Utils::ToLocal(result);
+}
+
+
 Local<String> v8::String::NewUndetectable(const char* data, int length) {
   EnsureInitialized("v8::String::NewUndetectable()");
   LOG_API("String::NewUndetectable(char)");
   ENTER_V8;
   if (length == -1) length = strlen(data);
   i::Handle<i::String> result =
       i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length));
   result->MarkAsUndetectable();
   return Utils::ToLocal(result);
 }
@@ skipping 841 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal