| 1 | // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 
|---|---|
| 2 | // for details. All rights reserved. Use of this source code is governed by a | 
| 3 | // BSD-style license that can be found in the LICENSE file. | 
| 4 | |
| 5 | #include "vm/native_message_handler.h" | 
| 6 | |
| 7 | #include <memory> | 
| 8 | |
| 9 | #include "vm/dart_api_message.h" | 
| 10 | #include "vm/isolate.h" | 
| 11 | #include "vm/message.h" | 
| 12 | #include "vm/snapshot.h" | 
| 13 | |
| 14 | namespace dart { | 
| 15 | |
| 16 | NativeMessageHandler::NativeMessageHandler(const char* name, | 
| 17 | Dart_NativeMessageHandler func) | 
| 18 | : name_(Utils::StrDup(name)), func_(func) {} | 
| 19 | |
| 20 | NativeMessageHandler::~NativeMessageHandler() { | 
| 21 | free(name_); | 
| 22 | } | 
| 23 | |
| 24 | #if defined(DEBUG) | 
| 25 | void NativeMessageHandler::CheckAccess() { | 
| 26 | ASSERT(Isolate::Current() == NULL); | 
| 27 | } | 
| 28 | #endif | 
| 29 | |
| 30 | MessageHandler::MessageStatus NativeMessageHandler::HandleMessage( | 
| 31 | std::unique_ptr<Message> message) { | 
| 32 | if (message->IsOOB()) { | 
| 33 | // We currently do not use OOB messages for native ports. | 
| 34 | UNREACHABLE(); | 
| 35 | } | 
| 36 | // We create a native scope for handling the message. | 
| 37 | // All allocation of objects for decoding the message is done in the | 
| 38 | // zone associated with this scope. | 
| 39 | ApiNativeScope scope; | 
| 40 | Dart_CObject* object; | 
| 41 | ApiMessageReader reader(message.get()); | 
| 42 | object = reader.ReadMessage(); | 
| 43 | (*func())(message->dest_port(), object); | 
| 44 | return kOK; | 
| 45 | } | 
| 46 | |
| 47 | } // namespace dart | 
| 48 | 
