Support posting of external data into dart as external uint8 arrays through the Dart API.

runtime/bin/dartutils.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 BIN_DARTUTILS_H_
 #define BIN_DARTUTILS_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 #include "include/dart_api.h"
@@ skipping 151 matching lines @@
   static CObject* Bool(bool value);
   static Dart_CObject* NewInt32(int32_t value);
   static Dart_CObject* NewInt64(int64_t value);
   static Dart_CObject* NewIntptr(intptr_t value);
   // TODO(sgjesse): Add support for kBigint.
   static Dart_CObject* NewDouble(double value);
   static Dart_CObject* NewString(int length);
   static Dart_CObject* NewString(const char* str);
   static Dart_CObject* NewArray(int length);
   static Dart_CObject* NewUint8Array(int length);
+  static Dart_CObject* NewExternalUint8Array(int length,
+                                             uint8_t* data,
+                                             void* peer,
+                                             Dart_PeerFinalizer callback);
 
   Dart_CObject* AsApiCObject() { return cobject_; }
 
   // Create a new CObject array with an illegal arguments error.
   static CObject* IllegalArgumentError();
   // Create a new CObject array with a file closed error.
   static CObject* FileClosedError();
   // Create a new CObject array with the current OS error.
   static CObject* NewOSError();
   // Create a new CObject array with the specified OS error.
@@ skipping 116 matching lines @@
 
 
 class CObjectUint8Array : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Uint8Array)
 
   int Length() const { return cobject_->value.as_byte_array.length; }
   uint8_t* Buffer() const { return cobject_->value.as_byte_array.values; }
 };
 
+
+class CObjectExternalUint8Array : public CObject {
+ public:
+  DECLARE_COBJECT_CONSTRUCTORS(ExternalUint8Array)
+
+  int Length() const { return cobject_->value.as_external_byte_array.length; }
+  uint8_t* Data() const { return cobject_->value.as_external_byte_array.data; }
+  void* Peer() const { return cobject_->value.as_external_byte_array.peer; }
+  Dart_PeerFinalizer Callback() const {
+    return cobject_->value.as_external_byte_array.callback;
+  }

[siva, 2012/06/28 16:44:05]

DISALLOW_COPY_AND_ASSIGN(...);

Seems to be missing in all the classes in this file, not sure why.

[Mads Ager (google), 2012/06/28 18:06:51]

Me neither, but they are there now. Thanks. :)

+};
+
 #endif  // BIN_DARTUTILS_H_