| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.runtime.arrays; |
| |
| import static jdk.nashorn.internal.runtime.ECMAErrors.typeError; |
| |
| import jdk.nashorn.internal.objects.Global; |
| import jdk.nashorn.internal.runtime.PropertyDescriptor; |
| |
| /** |
| * ArrayData after the array has been sealed by Object.seal call. |
| */ |
| class SealedArrayFilter extends ArrayFilter { |
| SealedArrayFilter(final ArrayData underlying) { |
| super(underlying); |
| } |
| |
| @Override |
| public ArrayData copy() { |
| return new SealedArrayFilter(underlying.copy()); |
| } |
| |
| @Override |
| public ArrayData slice(final long from, final long to) { |
| return getUnderlying().slice(from, to); |
| } |
| |
| @Override |
| public boolean canDelete(final int index, final boolean strict) { |
| return canDelete(ArrayIndex.toLongIndex(index), strict); |
| } |
| |
| @Override |
| public boolean canDelete(final long longIndex, final boolean strict) { |
| if (strict) { |
| throw typeError("cant.delete.property", Long.toString(longIndex), "sealed array"); |
| } |
| return false; |
| } |
| |
| @Override |
| public PropertyDescriptor getDescriptor(final Global global, final int index) { |
| return global.newDataDescriptor(getObject(index), false, true, true); |
| } |
| } |