static Local<String> NewSymbol(const char* data, int length = -1);
/**
+ * Creates a new string by concatenating the left and the right strings
+ * passed in as parameters.
+ */
+ static Local<String> Concat(Handle<String> left, Handle<String>right);
+
+ /**
* Creates a new external string using the data defined in the given
* resource. The resource is deleted when the external string is no
* longer live on V8's heap. The caller of this function should not
}
+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)");
}
+THREADED_TEST(StringConcat) {
+ {
+ v8::HandleScope scope;
+ LocalContext env;
+ const char* one_byte_string_1 = "function a_times_t";
+ const char* two_byte_string_1 = "wo_plus_b(a, b) {return ";
+ const char* one_byte_extern_1 = "a * 2 + b;} a_times_two_plus_b(4, 8) + ";
+ const char* two_byte_extern_1 = "a_times_two_plus_b(4, 8) + ";
+ const char* one_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
+ const char* two_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
+ const char* two_byte_extern_2 = "a_times_two_plus_b(1, 2);";
+ Local<String> left = v8_str(one_byte_string_1);
+ Local<String> right = String::New(AsciiToTwoByteString(two_byte_string_1));
+ Local<String> source = String::Concat(left, right);
+ right = String::NewExternal(
+ new TestAsciiResource(i::StrDup(one_byte_extern_1)));
+ source = String::Concat(source, right);
+ right = String::NewExternal(
+ new TestResource(AsciiToTwoByteString(two_byte_extern_1)));
+ source = String::Concat(source, right);
+ right = v8_str(one_byte_string_2);
+ source = String::Concat(source, right);
+ right = String::New(AsciiToTwoByteString(two_byte_string_2));
+ source = String::Concat(source, right);
+ right = String::NewExternal(
+ new TestResource(AsciiToTwoByteString(two_byte_extern_2)));
+ source = String::Concat(source, right);
+ Local<Script> script = Script::Compile(source);
+ Local<Value> value = script->Run();
+ CHECK(value->IsNumber());
+ CHECK_EQ(68, value->Int32Value());
+ }
+ v8::internal::CompilationCache::Clear();
+ i::Heap::CollectAllGarbage(false);
+ i::Heap::CollectAllGarbage(false);
+}
+
+
THREADED_TEST(GlobalProperties) {
v8::HandleScope scope;
LocalContext env;