Split Promise API into Promise/Resolver

src/api.cc

 // 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 2640 matching lines @@
 }
 
 
 void v8::Promise::CheckCast(Value* that) {
   Utils::ApiCheck(that->IsPromise(),
                   "v8::Promise::Cast()",
                   "Could not convert to promise");
 }
 
 
+void v8::Promise::Resolver::CheckCast(Value* that) {
+  Utils::ApiCheck(that->IsPromise(),
+                  "v8::Promise::Resolver::Cast()",
+                  "Could not convert to promise resolver");
+}
+
+
 void v8::ArrayBuffer::CheckCast(Value* that) {
   i::Handle<i::Object> obj = Utils::OpenHandle(that);
   Utils::ApiCheck(obj->IsJSArrayBuffer(),
                   "v8::ArrayBuffer::Cast()",
                   "Could not convert to ArrayBuffer");
 }
 
 
 void v8::ArrayBufferView::CheckCast(Value* that) {
   i::Handle<i::Object> obj = Utils::OpenHandle(that);
@@ skipping 3083 matching lines @@
           isolate->context()->global_object()->native_context()->is_promise()),
       isolate->factory()->undefined_value(),
       ARRAY_SIZE(argv), argv,
       &has_pending_exception,
       false);
   EXCEPTION_BAILOUT_CHECK(isolate, false);
   return b->BooleanValue();
 }
 
 
-Local<Promise> Promise::New(Isolate* v8_isolate) {
+Local<Promise::Resolver> Promise::Resolver::New(Isolate* v8_isolate) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
-  LOG_API(isolate, "Promise::New");
+  LOG_API(isolate, "Promise::Resolver::New");
   ENTER_V8(isolate);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> result = i::Execution::Call(
       isolate,
       handle(isolate->context()->global_object()->native_context()->
              promise_create()),
       isolate->factory()->undefined_value(),
       0, NULL,
       &has_pending_exception,
       false);
-  EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise>());
-  return Local<Promise>::Cast(Utils::ToLocal(result));
+  EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise::Resolver>());
+  return Local<Promise::Resolver>::Cast(Utils::ToLocal(result));
 }
 
 
-void Promise::Resolve(Handle<Value> value) {
+Local<Promise> Promise::Resolver::GetPromise() {
+  i::Handle<i::JSObject> promise = Utils::OpenHandle(this);
+  return Local<Promise>::Cast(Utils::ToLocal(promise));
+}
+
+
+void Promise::Resolver::Resolve(Handle<Value> value) {
   i::Handle<i::JSObject> promise = Utils::OpenHandle(this);
   i::Isolate* isolate = promise->GetIsolate();
-  LOG_API(isolate, "Promise::Resolve");
+  LOG_API(isolate, "Promise::Resolver::Resolve");
   ENTER_V8(isolate);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> argv[] = { promise, Utils::OpenHandle(*value) };
   i::Execution::Call(
       isolate,
       handle(isolate->context()->global_object()->native_context()->
              promise_resolve()),
       isolate->factory()->undefined_value(),
       ARRAY_SIZE(argv), argv,
       &has_pending_exception,
       false);
   EXCEPTION_BAILOUT_CHECK(isolate, /* void */ ;);
 }
 
 
-void Promise::Reject(Handle<Value> value) {
+void Promise::Resolver::Reject(Handle<Value> value) {
   i::Handle<i::JSObject> promise = Utils::OpenHandle(this);
   i::Isolate* isolate = promise->GetIsolate();
-  LOG_API(isolate, "Promise::Reject");
+  LOG_API(isolate, "Promise::Resolver::Reject");
   ENTER_V8(isolate);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> argv[] = { promise, Utils::OpenHandle(*value) };
   i::Execution::Call(
       isolate,
       handle(isolate->context()->global_object()->native_context()->
              promise_reject()),
       isolate->factory()->undefined_value(),
       ARRAY_SIZE(argv), argv,
       &has_pending_exception,
@@ skipping 1651 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal