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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.nashorn.internal.runtime.arrays;

import jdk.nashorn.api.scripting.JSObject;
import jdk.nashorn.internal.runtime.JSType;

Reverse iterator over a ScriptObjectMirror
/** * Reverse iterator over a ScriptObjectMirror */
final class ReverseJSObjectIterator extends JSObjectIterator { ReverseJSObjectIterator(final JSObject obj, final boolean includeUndefined) { super(obj, includeUndefined); this.index = JSType.toUint32(obj.hasMember("length")? obj.getMember("length") : 0) - 1; } @Override public boolean isReverse() { return true; } @Override protected boolean indexInArray() { return index >= 0; } @Override protected long bumpIndex() { return index--; } }