dart-sdk/runtime/vm/native_message_handler.cc

46 lines
1.3 KiB
C++

// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/native_message_handler.h"
#include "vm/dart_api_message.h"
#include "vm/isolate.h"
#include "vm/message.h"
#include "vm/snapshot.h"
namespace dart {
NativeMessageHandler::NativeMessageHandler(const char* name,
Dart_NativeMessageHandler func)
: name_(strdup(name)), func_(func) {}
NativeMessageHandler::~NativeMessageHandler() {
free(name_);
}
#if defined(DEBUG)
void NativeMessageHandler::CheckAccess() {
ASSERT(Isolate::Current() == NULL);
}
#endif
MessageHandler::MessageStatus NativeMessageHandler::HandleMessage(
Message* message) {
if (message->IsOOB()) {
// We currently do not use OOB messages for native ports.
UNREACHABLE();
}
// We create a native scope for handling the message.
// All allocation of objects for decoding the message is done in the
// zone associated with this scope.
ApiNativeScope scope;
Dart_CObject* object;
ApiMessageReader reader(message);
object = reader.ReadMessage();
(*func())(message->dest_port(), object);
delete message;
return kOK;
}
} // namespace dart