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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.javascript.ast;

import org.mozilla.javascript.Token;

/**
 * AST node for a single 'for (foo in bar)' loop construct in a JavaScript 1.7
 * Array comprehension.  This node type is almost equivalent to a
 * {@link ForInLoop}, except that it has no body statement.
 * Node type is {@link Token#FOR}.

*/ public class ArrayComprehensionLoop extends ForInLoop { public ArrayComprehensionLoop() { } public ArrayComprehensionLoop(int pos) { super(pos); } public ArrayComprehensionLoop(int pos, int len) { super(pos, len); } /** * Returns {@code null} for loop body * @return loop body (always {@code null} for this node type) */ @Override public AstNode getBody() { return null; } /** * Throws an exception on attempts to set the loop body. * @param body loop body * @throws UnsupportedOperationException */ @Override public void setBody(AstNode body) { throw new UnsupportedOperationException("this node type has no body"); } @Override public String toSource(int depth) { return makeIndent(depth) + " for " + (isForEach()?"each ":"") + "(" + iterator.toSource(0) + (isForOf()?" of ":" in ") + iteratedObject.toSource(0) + ")"; } /** * Visits the iterator expression and the iterated object expression. * There is no body-expression for this loop type. */ @Override public void visit(NodeVisitor v) { if (v.visit(this)) { iterator.visit(v); iteratedObject.visit(v); } } }





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