Intrinsify ExternalUint8Array.[].

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 5139 matching lines @@
   static const intptr_t kBytesPerElement = 1;
 
   // Since external arrays may be serialized to non-external ones,
   // enforce the same maximum element count.
   static const intptr_t kMaxElements = Uint8Array::kMaxElements;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawExternalUint8Array));
   }
 
+  static intptr_t external_data_offset() {
+    return length_offset() + kWordSize;

[Florian Schneider, 2012/11/21 15:15:17]

Maybe instead use OFFSET_OF here as well?

[Mads Ager (google), 2012/11/21 15:31:34]

Done for all of these.

+  }
+
   static RawExternalUint8Array* New(uint8_t* data,
                                     intptr_t len,
                                     void* peer,
                                     Dart_PeerFinalizer callback,
                                     Heap::Space space = Heap::kNew);
 
  private:
   uint8_t* ByteAddr(intptr_t byte_offset) const {
     ASSERT((byte_offset >= 0) && (byte_offset < ByteLength()));
     uint8_t* data =
@@ skipping 801 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_