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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 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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).
 *
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package jdk.nashorn.api.tree;

import jdk.nashorn.internal.ir.ExpressionStatement;
import jdk.nashorn.internal.parser.TokenType;

// This implementation of VariableTree represents a destructuring declaration
final class DestructuringDeclTreeImpl extends StatementTreeImpl
        implements VariableTree {

    private final TokenType declType;
    private final ExpressionTree lhs;
    private final ExpressionTree init;

    DestructuringDeclTreeImpl(final ExpressionStatement exprStat, final ExpressionTree lhs, final ExpressionTree init) {
        super(exprStat);
        assert exprStat.destructuringDeclarationType() != null : "expecting a destructuring decl. statement";

        this.declType = exprStat.destructuringDeclarationType();
        this.lhs = lhs;
        this.init = init;
    }

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

    @Override
    public ExpressionTree getBinding() {
        return lhs;
    }

    @Override
    public ExpressionTree getInitializer() {
        return init;
    }

    @Override
    public boolean isConst() {

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