Mercurial > hg > shenandoah-preopenjdk-archive > openjdk8 > nashorn
view src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java @ 1092:3dbb4c9ff43c
8035312: Various array and ScriptObject length issues for non writable length fields
Reviewed-by: hannesw, attila
author | lagergren |
---|---|
date | Wed, 12 Nov 2014 14:12:01 +0100 |
parents | ac62e33a99b0 |
children |
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/* * 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; import jdk.nashorn.internal.runtime.ScriptRuntime; /** * ArrayData after the array has been frozen by Object.freeze call. */ final class FrozenArrayFilter extends SealedArrayFilter { FrozenArrayFilter(final ArrayData underlying) { super(underlying); } @Override public ArrayData copy() { return this; } @Override public PropertyDescriptor getDescriptor(final Global global, final int index) { return global.newDataDescriptor(getObject(index), false, true, false); } @Override public ArrayData set(final int index, final int value, final boolean strict) { if (strict) { throw typeError("cant.set.property", Integer.toString(index), "frozen array"); } return this; } @Override public ArrayData set(final int index, final long value, final boolean strict) { if (strict) { throw typeError("cant.set.property", Integer.toString(index), "frozen array"); } return this; } @Override public ArrayData set(final int index, final double value, final boolean strict) { if (strict) { throw typeError("cant.set.property", Integer.toString(index), "frozen array"); } return this; } @Override public ArrayData set(final int index, final Object value, final boolean strict) { if (strict) { throw typeError("cant.set.property", Integer.toString(index), "frozen array"); } return this; } @Override public ArrayData push(final boolean strict, final Object... items) { return this; //nop } @Override public Object pop() { final int len = (int)underlying.length(); return len == 0 ? ScriptRuntime.UNDEFINED : underlying.getObject(len - 1); } }