Decode the Dart message into a Dart_CMessage structure before calling the native port callback

runtime/vm/snapshot.h

 // 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.
 
 #ifndef VM_SNAPSHOT_H_
 #define VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 386 matching lines @@
   String& str_;  // Temporary String handle.
   Library& library_;  // Temporary library handle.
   AbstractType& type_;  // Temporary type handle.
   AbstractTypeArguments& type_arguments_;  // Temporary type argument handle.
   GrowableArray<Object*> backward_references_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotReader);
 };
 
 
-// Use this C structure for reading internal objects in the serialized
-// data. These are objects that we need to process in order to
-// generate the Dart_CObject graph but that we don't want to expose in
-// that graph.
-// TODO(sjesse): Remove this when message serialization format is
-// updated.
-struct Dart_CObject_Internal : public Dart_CObject {
-  enum Type {
-    kTypeArguments = Dart_CObject::kNumberOfTypes,
-    kDynamicType,
-  };
-};
-
-
-// Reads a message snapshot into C structure.
-class CMessageReader : public BaseReader {
- public:
-  CMessageReader(const uint8_t* buffer, intptr_t length, ReAlloc alloc);
-  ~CMessageReader() { }
-
-  Dart_CObject* ReadMessage();
-
- private:
-  // Allocates a Dart_CObject object on the C heap.
-  Dart_CObject* AllocateDartCObject();
-  // Allocates a Dart_CObject object with the specified type on the C heap.
-  Dart_CObject* AllocateDartCObject(Dart_CObject::Type type);
-  // Allocates a Dart_CObject object for the null object on the C heap.
-  Dart_CObject* AllocateDartCObjectNull();
-  // Allocates a Dart_CObject object for a boolean object on the C heap.
-  Dart_CObject* AllocateDartCObjectBool(bool value);
-  // Allocates a Dart_CObject object for for a 32-bit integer on the C heap.
-  Dart_CObject* AllocateDartCObjectInt32(int32_t value);
-  // Allocates a Dart_CObject object for a double on the C heap.
-  Dart_CObject* AllocateDartCObjectDouble(double value);
-  // Allocates a Dart_CObject object for string data on the C heap.
-  Dart_CObject* AllocateDartCObjectString(intptr_t length);
-  // Allocates a C array of Dart_CObject objects on the C heap.
-  Dart_CObject* AllocateDartCObjectArray(intptr_t length);
-
-  intptr_t LookupInternalClass(intptr_t class_header);
-  Dart_CObject* ReadInlinedObject(intptr_t object_id);
-  Dart_CObject* ReadObjectImpl(intptr_t header);
-  Dart_CObject* ReadIndexedObject(intptr_t object_id);
-  Dart_CObject* ReadObject();
-
-  // Add object to backward references.
-  void AddBackwardReference(intptr_t id, Dart_CObject* obj);
-
-  Dart_CObject_Internal* AsInternal(Dart_CObject* object) {
-    ASSERT(object->type >= Dart_CObject::kNumberOfTypes);
-    return reinterpret_cast<Dart_CObject_Internal*>(object);
-  }
-
-  ReAlloc alloc_;
-  GrowableArray<Dart_CObject*> backward_references_;
-
-  Dart_CObject type_arguments_marker;
-  Dart_CObject dynamic_type_marker;
-};
-
-
 class BaseWriter {
  public:
   // Size of the snapshot.
   intptr_t BytesWritten() const { return stream_.bytes_written(); }
 
   // Writes raw data to the stream (basic type).
   // sizeof(T) must be in {1,2,4,8}.
   template <typename T>
   void Write(T value) {
     WriteStream::Raw<sizeof(T), T>::Write(&stream_, value);
@@ skipping 176 matching lines @@
 
  private:
   SnapshotWriter* writer_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_SNAPSHOT_H_