// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
'use strict';
}
+// ES6, draft 04-05-14, section 22.1.3.6
+function ArrayFill(value /* [, start [, end ] ] */) { // length == 1
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
+
+ var array = ToObject(this);
+ var length = TO_UINT32(array.length);
+
+ var i = 0;
+ var end = length;
+
+ if (%_ArgumentsLength() > 1) {
+ i = %_Arguments(1);
+ i = IS_UNDEFINED(i) ? 0 : TO_INTEGER(i);
+ if (%_ArgumentsLength() > 2) {
+ end = %_Arguments(2);
+ end = IS_UNDEFINED(end) ? length : TO_INTEGER(end);
+ }
+ }
+
+ if (i < 0) {
+ i += length;
+ if (i < 0) i = 0;
+ } else {
+ if (i > length) i = length;
+ }
+
+ if (end < 0) {
+ end += length;
+ if (end < 0) end = 0;
+ } else {
+ if (end > length) end = length;
+ }
+
+ if ((end - i) > 0 && ObjectIsFrozen(array)) {
+ throw MakeTypeError("array_functions_on_frozen",
+ ["Array.prototype.fill"]);
+ }
+
+ for (; i < end; i++)
+ array[i] = value;
+ return array;
+}
+
// -------------------------------------------------------------------
function HarmonyArrayExtendArrayPrototype() {
// Set up the non-enumerable functions on the Array prototype object.
InstallFunctions($Array.prototype, DONT_ENUM, $Array(
"find", ArrayFind,
- "findIndex", ArrayFindIndex
+ "findIndex", ArrayFindIndex,
+ "fill", ArrayFill
));
}