Use ByteArray's native for Socket and File.

runtime/vm/object.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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3231 matching lines @@
  private:
   HEAP_OBJECT_IMPLEMENTATION(ImmutableArray, Array);
   friend class Class;
 };
 
 
 class ByteArray : public Instance {
  public:
   virtual intptr_t Length() const;
 
+  static void Copy(uint8_t* dst,
+                   const ByteArray& src,
+                   intptr_t src_offset,
+                   intptr_t length);
+
+  static void Copy(const ByteArray& dst,
+                   intptr_t dst_offset,
+                   const uint8_t* src,
+                   intptr_t length);
+
+  static void Copy(const ByteArray& dst,
+                   intptr_t dst_offset,
+                   const ByteArray& src,
+                   intptr_t src_offset,
+                   intptr_t length);
+
  private:
+  virtual uint8_t* ByteAddr(intptr_t byte_offset) const;
+
   HEAP_OBJECT_IMPLEMENTATION(ByteArray, Instance);
   friend class Class;
 };
 
 
 class InternalByteArray : public ByteArray {
  public:
   intptr_t Length() const {
     ASSERT(!IsNull());
     return Smi::Value(raw_ptr()->length_);
@@ skipping 43 matching lines @@
     return RoundedAllocationSize(sizeof(RawInternalByteArray) + len);
   }
 
   static RawInternalByteArray* New(intptr_t len,
                                    Heap::Space space = Heap::kNew);
   static RawInternalByteArray* New(const uint8_t* data,
                                    intptr_t len,
                                    Heap::Space space = Heap::kNew);
 
  private:
+  uint8_t* ByteAddr(intptr_t byte_offset) const {
+    return Addr<uint8_t>(byte_offset);
+  }
+
   template<typename T>
   T* Addr(intptr_t byte_offset) const {
     intptr_t limit = byte_offset + sizeof(T);
     // TODO(iposva): Determine if we should throw an exception here.
     ASSERT((byte_offset >= 0) && (limit <= Length()));
     uint8_t* addr = &raw_ptr()->data()[byte_offset];
     return reinterpret_cast<T*>(addr);
   }
 
   void SetLength(intptr_t value) {
@@ skipping 40 matching lines @@
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawExternalByteArray));
   }
 
   static RawExternalByteArray* New(uint8_t* data,
                                    intptr_t len,
                                    Heap::Space space = Heap::kNew);
 
  private:
+  uint8_t* ByteAddr(intptr_t byte_offset) const {
+    return Addr<uint8_t>(byte_offset);
+  }
+
   template<typename T>
   T* Addr(intptr_t byte_offset) const {
     intptr_t limit = byte_offset + sizeof(T);
     // TODO(iposva): Determine if we should throw an exception here.
     ASSERT((byte_offset >= 0) && (limit <= Length()));
     uint8_t* addr = &raw_ptr()->data_[byte_offset];
     return reinterpret_cast<T*>(addr);
   }
 
   void SetLength(intptr_t value) {
@@ skipping 215 matching lines @@
 }
 
 
 void Context::SetAt(intptr_t index, const Instance& value) const {
   StorePointer(InstanceAddr(index), value.raw());
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_