Typed array constructors with optional buffer offset and length.

lib/html/frog/html_frog.dart

Index: lib/html/frog/html_frog.dart
diff --git a/lib/html/frog/html_frog.dart b/lib/html/frog/html_frog.dart
index 31cd99b107c6ad1e01964f9398f0b3af635a1539..b7aeac0f60d13bc9f1abcfd620b47be998b6da3e 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -31900,43 +31900,96 @@ class _AudioContextFactoryProvider {
 ''';
 }
 
+class _PointFactoryProvider {
+
+  factory Point(num x, num y) native 'return new WebKitPoint(x, y);';
+}
+
+class _WebSocketFactoryProvider {
+
+  factory WebSocket(String url) native '''return new WebSocket(url);''';
+}
+
+class _TextFactoryProvider {
+  factory Text(String data) native "return document.createTextNode(data);";
+}
+// 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.
+
 class _TypedArrayFactoryProvider {
 
   factory Float32Array(int length) => _F32(length);
   factory Float32Array.fromList(List<num> list) => _F32(ensureNative(list));
-  factory Float32Array.fromBuffer(ArrayBuffer buffer) => _F32(buffer);
+  factory Float32Array.fromBuffer(ArrayBuffer buffer,
+                                  [int byteOffset = 0, int length]) {
+    if (length == null) return _F32_2(buffer, byteOffset);
+    return _F32_3(buffer, byteOffset, length);
+  }
 
   factory Float64Array(int length) => _F64(length);
   factory Float64Array.fromList(List<num> list) => _F64(ensureNative(list));
-  factory Float64Array.fromBuffer(ArrayBuffer buffer) => _F64(buffer);
+  factory Float64Array.fromBuffer(ArrayBuffer buffer,
+                                  [int byteOffset = 0, int length]) {
+    if (length == null) return _F64_2(buffer, byteOffset);
+    return _F64_3(buffer, byteOffset, length);
+  }
 
   factory Int8Array(int length) => _I8(length);
   factory Int8Array.fromList(List<num> list) => _I8(ensureNative(list));
-  factory Int8Array.fromBuffer(ArrayBuffer buffer) => _I8(buffer);
+  factory Int8Array.fromBuffer(ArrayBuffer buffer,
+                               [int byteOffset = 0, int length]) {
+    if (length == null) return _I8_2(buffer, byteOffset);
+    return _I8_3(buffer, byteOffset, length);
+  }
 
   factory Int16Array(int length) => _I16(length);
   factory Int16Array.fromList(List<num> list) => _I16(ensureNative(list));
-  factory Int16Array.fromBuffer(ArrayBuffer buffer) => _I16(buffer);
+  factory Int16Array.fromBuffer(ArrayBuffer buffer,
+                                [int byteOffset = 0, int length]) {
+    if (length == null) return _I16_2(buffer, byteOffset);
+    return _I16_3(buffer, byteOffset, length);
+  }
 
   factory Int32Array(int length) => _I32(length);
   factory Int32Array.fromList(List<num> list) => _I32(ensureNative(list));
-  factory Int32Array.fromBuffer(ArrayBuffer buffer) => _I32(buffer);
+  factory Int32Array.fromBuffer(ArrayBuffer buffer,
+                                [int byteOffset = 0, int length]) {
+    if (length == null) return _I32_2(buffer, byteOffset);
+    return _I32_3(buffer, byteOffset, length);
+  }
 
   factory Uint8Array(int length) => _U8(length);
   factory Uint8Array.fromList(List<num> list) => _U8(ensureNative(list));
-  factory Uint8Array.fromBuffer(ArrayBuffer buffer) => _U8(buffer);
+  factory Uint8Array.fromBuffer(ArrayBuffer buffer,
+                                [int byteOffset = 0, int length]) {
+    if (length == null) return _U8_2(buffer, byteOffset);
+    return _U8_3(buffer, byteOffset, length);
+  }
 
   factory Uint16Array(int length) => _U16(length);
   factory Uint16Array.fromList(List<num> list) => _U16(ensureNative(list));
-  factory Uint16Array.fromBuffer(ArrayBuffer buffer) => _U16(buffer);
+  factory Uint16Array.fromBuffer(ArrayBuffer buffer,
+                                 [int byteOffset = 0, int length]) {
+    if (length == null) return _U16_2(buffer, byteOffset);
+    return _U16_3(buffer, byteOffset, length);
+  }
 
   factory Uint32Array(int length) => _U32(length);
   factory Uint32Array.fromList(List<num> list) => _U32(ensureNative(list));
-  factory Uint32Array.fromBuffer(ArrayBuffer buffer) => _U32(buffer);
+  factory Uint32Array.fromBuffer(ArrayBuffer buffer,
+                                 [int byteOffset = 0, int length]) {
+    if (length == null) return _U32_2(buffer, byteOffset);
+    return _U32_3(buffer, byteOffset, length);
+  }
 
   factory Uint8ClampedArray(int length) => _U8C(length);
   factory Uint8ClampedArray.fromList(List<num> list) => _U8C(ensureNative(list));
-  factory Uint8ClampedArray.fromBuffer(ArrayBuffer buffer) => _U8C(buffer);
+  factory Uint8ClampedArray.fromBuffer(ArrayBuffer buffer,
+                                       [int byteOffset = 0, int length]) {
+    if (length == null) return _U8C_2(buffer, byteOffset);
+    return _U8C_3(buffer, byteOffset, length);
+  }
 
   static Float32Array _F32(arg) native 'return new Float32Array(arg);';
   static Float64Array _F64(arg) native 'return new Float64Array(arg);';
@@ -31948,22 +32001,32 @@ class _TypedArrayFactoryProvider {
   static Uint32Array _U32(arg) native 'return new Uint32Array(arg);';
   static Uint8ClampedArray _U8C(arg) native 'return new Uint8ClampedArray(arg);';
 
+  static Float32Array _F32_2(arg1, arg2) native 'return new Float32Array(arg1, arg2);';
+  static Float64Array _F64_2(arg1, arg2) native 'return new Float64Array(arg1, arg2);';
+  static Int8Array _I8_2(arg1, arg2) native 'return new Int8Array(arg1, arg2);';
+  static Int16Array _I16_2(arg1, arg2) native 'return new Int16Array(arg1, arg2);';
+  static Int32Array _I32_2(arg1, arg2) native 'return new Int32Array(arg1, arg2);';
+  static Uint8Array _U8_2(arg1, arg2) native 'return new Uint8Array(arg1, arg2);';
+  static Uint16Array _U16_2(arg1, arg2) native 'return new Uint16Array(arg1, arg2);';
+  static Uint32Array _U32_2(arg1, arg2) native 'return new Uint32Array(arg1, arg2);';
+  static Uint8ClampedArray _U8C_2(arg1, arg2) native 'return new Uint8ClampedArray(arg1, arg2);';
+
+  static Float32Array _F32_3(arg1, arg2, arg3) native 'return new Float32Array(arg1, arg2, arg3);';
+  static Float64Array _F64_3(arg1, arg2, arg3) native 'return new Float64Array(arg1, arg2, arg3);';
+  static Int8Array _I8_3(arg1, arg2, arg3) native 'return new Int8Array(arg1, arg2, arg3);';
+  static Int16Array _I16_3(arg1, arg2, arg3) native 'return new Int16Array(arg1, arg2, arg3);';
+  static Int32Array _I32_3(arg1, arg2, arg3) native 'return new Int32Array(arg1, arg2, arg3);';
+  static Uint8Array _U8_3(arg1, arg2, arg3) native 'return new Uint8Array(arg1, arg2, arg3);';
+  static Uint16Array _U16_3(arg1, arg2, arg3) native 'return new Uint16Array(arg1, arg2, arg3);';
+  static Uint32Array _U32_3(arg1, arg2, arg3) native 'return new Uint32Array(arg1, arg2, arg3);';
+  static Uint8ClampedArray _U8C_3(arg1, arg2, arg3) native 'return new Uint8ClampedArray(arg1, arg2, arg3);';
+
+
+  // Ensures that [list] is a JavaScript Array or a typed array.  If necessary,
+  // copies the list.
   static ensureNative(List list) => list;  // TODO: make sure.
 }
-
-class _PointFactoryProvider {
-
-  factory Point(num x, num y) native 'return new WebKitPoint(x, y);';
-}
-
-class _WebSocketFactoryProvider {
-
-  factory WebSocket(String url) native '''return new WebSocket(url);''';
-}
-
-class _TextFactoryProvider {
-  factory Text(String data) native "return document.createTextNode(data);";
-}// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// 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.