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Unified Diff: runtime/vm/snapshot.h

Issue 9104041: Added API Dart_PostCMessage for posting a Dart_CMessage structure (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed review comments from asiva@ Created 8 years, 10 months ago
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Index: runtime/vm/snapshot.h
diff --git a/runtime/vm/snapshot.h b/runtime/vm/snapshot.h
index 166ea06ee89e899b0714b4203faf0dee7705f29d..29de83f0eab8421ada5d276cb8379256e2b85e9e 100644
--- a/runtime/vm/snapshot.h
+++ b/runtime/vm/snapshot.h
@@ -424,7 +424,7 @@ class CMessageReader : public BaseReader {
CMessageReader(const uint8_t* buffer, intptr_t length, ReAlloc alloc);
~CMessageReader() { }
- Dart_CMessage* ReadMessage();
+ Dart_CObject* ReadMessage();
private:
// Allocates a Dart_CObject object on the C heap.
@@ -531,18 +531,39 @@ class BaseWriter {
class MessageWriter : public BaseWriter {
public:
- MessageWriter(uint8_t** buffer, ReAlloc alloc) : BaseWriter(buffer, alloc) {
+ MessageWriter(uint8_t** buffer, ReAlloc alloc)
+ : BaseWriter(buffer, alloc), object_id_(0) {
+ ASSERT(kDartCObjectTypeMask >= Dart_CObject::kNumberOfTypes);
}
~MessageWriter() { }
// Writes a message of integers.
void WriteMessage(intptr_t field_count, intptr_t *data);
+ void WriteCMessage(Dart_CObject* object);
+
void FinalizeBuffer() {
BaseWriter::FinalizeBuffer(Snapshot::kMessage);
}
private:
+ static const intptr_t kDartCObjectTypeBits = 3;
+ static const intptr_t kDartCObjectTypeMask = (1 << kDartCObjectTypeBits) - 1;
+ static const intptr_t kDartCObjectMarkMask = ~kDartCObjectTypeMask;
+ static const intptr_t kDartCObjectMarkOffset = 1;
+
+ void MarkCObject(Dart_CObject* object, intptr_t object_id);
+ void UnmarkCObject(Dart_CObject* object);
+ bool IsCObjectMarked(Dart_CObject* object);
+ intptr_t GetMarkedCObjectMark(Dart_CObject* object);
+ void UnmarkAllCObjects(Dart_CObject* object);
+
+ void WriteSmi(int32_t value);
+ void WriteInlinedHeader(Dart_CObject* object);
+ void WriteCObject(Dart_CObject* object);
+
+ intptr_t object_id_;
+
DISALLOW_COPY_AND_ASSIGN(MessageWriter);
};

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