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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/native_message_handler.h" | 5 #include "vm/native_message_handler.h" |
6 | 6 |
7 #include "vm/dart_api_message.h" | 7 #include "vm/dart_api_message.h" |
8 #include "vm/isolate.h" | 8 #include "vm/isolate.h" |
9 #include "vm/message.h" | 9 #include "vm/message.h" |
10 #include "vm/snapshot.h" | 10 #include "vm/snapshot.h" |
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25 } | 25 } |
26 | 26 |
27 | 27 |
28 #if defined(DEBUG) | 28 #if defined(DEBUG) |
29 void NativeMessageHandler::CheckAccess() { | 29 void NativeMessageHandler::CheckAccess() { |
30 ASSERT(Isolate::Current() == NULL); | 30 ASSERT(Isolate::Current() == NULL); |
31 } | 31 } |
32 #endif | 32 #endif |
33 | 33 |
34 | 34 |
35 static uint8_t* zone_allocator(uint8_t* ptr, | |
36 intptr_t old_size, | |
37 intptr_t new_size) { | |
38 Zone* zone = ApiNativeScope::Current()->zone(); | |
39 return zone->Realloc<uint8_t>(ptr, old_size, new_size); | |
40 } | |
41 | |
42 | |
43 bool NativeMessageHandler::HandleMessage(Message* message) { | 35 bool NativeMessageHandler::HandleMessage(Message* message) { |
44 if (message->IsOOB()) { | 36 if (message->IsOOB()) { |
45 // We currently do not use OOB messages for native ports. | 37 // We currently do not use OOB messages for native ports. |
46 UNREACHABLE(); | 38 UNREACHABLE(); |
47 } | 39 } |
48 // Enter a native scope for handling the message. This will create a | 40 // We create a native scope for handling the message. |
49 // zone for allocating the objects for decoding the message. | 41 // All allocation of objects for decoding the message is done in the |
| 42 // zone associated with this scope. |
50 ApiNativeScope scope; | 43 ApiNativeScope scope; |
51 ApiMessageReader reader(message->data(), message->len(), zone_allocator); | 44 ApiMessageReader reader(message->data(), message->len()); |
52 Dart_CObject* object = reader.ReadMessage(); | 45 Dart_CObject* object = reader.ReadMessage(); |
53 (*func())(message->dest_port(), object); | 46 (*func())(message->dest_port(), object); |
54 delete message; | 47 delete message; |
55 return true; | 48 return true; |
56 } | 49 } |
57 | 50 |
58 } // namespace dart | 51 } // namespace dart |
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