| /* |
| * 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 jdk.nashorn.internal.codegen.types.Type; |
| import jdk.nashorn.internal.runtime.ScriptRuntime; |
| import jdk.nashorn.internal.runtime.Undefined; |
| import jdk.nashorn.internal.runtime.linker.Bootstrap; |
| |
| /** |
| * Base class for array filters. Implements all core routines so that the |
| * filter only has to implement those needed. |
| */ |
| abstract class ArrayFilter extends ArrayData { |
| /** Underlying array. */ |
| protected ArrayData underlying; |
| |
| ArrayFilter(final ArrayData underlying) { |
| super(underlying.length()); |
| this.underlying = underlying; |
| } |
| |
| /** |
| * Get the underlying {@link ArrayData} that this filter wraps |
| * @return array data |
| */ |
| protected ArrayData getUnderlying() { |
| return underlying; |
| } |
| |
| @Override |
| public void setLength(final long length) { |
| super.setLength(length); |
| underlying.setLength(length); |
| } |
| |
| @Override |
| public Object[] asObjectArray() { |
| return underlying.asObjectArray(); |
| } |
| |
| @Override |
| public Object asArrayOfType(final Class<?> componentType) { |
| return underlying.asArrayOfType(componentType); |
| } |
| |
| @Override |
| public ArrayData shiftLeft(final int by) { |
| underlying.shiftLeft(by); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData shiftRight(final int by) { |
| underlying = underlying.shiftRight(by); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData ensure(final long safeIndex) { |
| underlying = underlying.ensure(safeIndex); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData shrink(final long newLength) { |
| underlying = underlying.shrink(newLength); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData set(final int index, final Object value, final boolean strict) { |
| underlying = underlying.set(index, value, strict); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData set(final int index, final int value, final boolean strict) { |
| underlying = underlying.set(index, value, strict); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData set(final int index, final double value, final boolean strict) { |
| underlying = underlying.set(index, value, strict); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData setEmpty(final int index) { |
| underlying.setEmpty(index); |
| return this; |
| } |
| |
| @Override |
| public ArrayData setEmpty(final long lo, final long hi) { |
| underlying.setEmpty(lo, hi); |
| return this; |
| } |
| |
| @Override |
| public Type getOptimisticType() { |
| return underlying.getOptimisticType(); |
| } |
| |
| @Override |
| public int getInt(final int index) { |
| return underlying.getInt(index); |
| } |
| |
| @Override |
| public int getIntOptimistic(final int index, final int programPoint) { |
| return underlying.getIntOptimistic(index, programPoint); |
| } |
| |
| @Override |
| public double getDouble(final int index) { |
| return underlying.getDouble(index); |
| } |
| |
| @Override |
| public double getDoubleOptimistic(final int index, final int programPoint) { |
| return underlying.getDoubleOptimistic(index, programPoint); |
| } |
| |
| @Override |
| public Object getObject(final int index) { |
| return underlying.getObject(index); |
| } |
| |
| @Override |
| public boolean has(final int index) { |
| return underlying.has(index); |
| } |
| |
| @Override |
| public ArrayData delete(final int index) { |
| underlying = underlying.delete(index); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData delete(final long from, final long to) { |
| underlying = underlying.delete(from, to); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public ArrayData convert(final Class<?> type) { |
| underlying = underlying.convert(type); |
| setLength(underlying.length()); |
| return this; |
| } |
| |
| @Override |
| public Object pop() { |
| final Object value = underlying.pop(); |
| setLength(underlying.length()); |
| return value; |
| } |
| |
| @Override |
| public long nextIndex(final long index) { |
| return underlying.nextIndex(index); |
| } |
| |
| static Object convertUndefinedValue(final Class<?> targetType) { |
| return invoke(Bootstrap.getLinkerServices().getTypeConverter(Undefined.class, targetType), |
| ScriptRuntime.UNDEFINED); |
| } |
| } |