JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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,
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package jdk.nashorn.api.tree;

import jdk.nashorn.internal.ir.ForNode;

final class ForInLoopTreeImpl extends StatementTreeImpl implements ForInLoopTree {
    private final ExpressionTree lhsExpr;
    private final ExpressionTree expr;
    private final StatementTree stat;
    private final boolean forEach;

    ForInLoopTreeImpl(final ForNode node,
            final ExpressionTree lhsExpr,
            final ExpressionTree expr,
            final StatementTree stat) {
        super(node);
        assert node.isForIn() : "for ..in expected";
        this.lhsExpr = lhsExpr;
        this.expr = expr;
        this.stat = stat;
        this.forEach = node.isForEach();
    }

    @Override
    public Kind getKind() {
        return Kind.FOR_IN_LOOP;
    }

    @Override
    public ExpressionTree getVariable() {
        return lhsExpr;
    }

    @Override
    public ExpressionTree getExpression() {
        return expr;
    }

    @Override
    public StatementTree getStatement() {

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