Use ByteArray's native for Socket and File.

runtime/lib/byte_array.dart

 // 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.
 
 interface ByteArray extends List default _InternalByteArray {
   ByteArray(int length);
 
   int get length();
 
   int getInt8(int byteOffset);
@@ skipping 44 matching lines @@
 
   Iterator iterator() {
     return new _ByteArrayIterator(this);
   }
 
   // Collection interface
 
   int get length() {
     return _length();
   }
 

[cshapiro, 2012/01/28 02:25:48]

This code should be moved downward beneath the List interface header.

[Anders Johnsen, 2012/01/30 21:15:28]

Done.

+  void setRange(int start, int length, List<int> from, [int startFrom = 0]) {
+    if (length < 0) {
+      throw new IllegalArgumentException("negative length $length");
+    }
+    if (from is ByteArray) {
+      _setRange(from, startFrom, start, length);
+    } else {
+      Arrays.copy(from, startFrom, this, start, length);
+    }
+  }
+  
+  List getRange(int start, int length) {
+    if (length == 0) return [];
+    Arrays.rangeCheck(this, start, length);
+    ByteArray list = new ByteArray(length);
+    list._setRange(this, start, 0, length);
+    return list;
+  }
+
+  void _setRange(ByteArray src,

[cshapiro, 2012/01/28 02:25:48]

This should be moved to the very bottom with the other native (implementation)
methods.

[Anders Johnsen, 2012/01/30 21:15:28]

Done.

+                 int srcStart,
+                 int dstStart,
+                 int count)
+      native "ByteArray_setRange";
+
   bool every(bool f(int element)) {
     return Collections.every(this, f);
   }
 
   Collection map(f(int element)) {
     return Collections.map(this,
                            new GrowableObjectArray.withCapacity(length), 
                            f);
   }
 
@@ skipping 404 matching lines @@
 
   void _setFloat32(int byteOffset, double value)
     native "ExternalByteArray_setFloat32";
 
   double _getFloat64(int byteOffset)
     native "ExternalByteArray_getFloat64";
 
   void _setFloat64(int byteOffset, double value)
     native "ExternalByteArray_setFloat64";
 }