IfTreeImpl.java

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

import jdk.nashorn.internal.ir.IfNode;

final class IfTreeImpl extends StatementTreeImpl implements IfTree {
    private final ExpressionTree cond;
    private final StatementTree thenStat;
    private final StatementTree elseStat;
    IfTreeImpl(final IfNode node, final ExpressionTree cond,
            final StatementTree thenStat, final StatementTree elseStat) {
        super(node);
        this.cond = cond;
        this.thenStat = thenStat;
        this.elseStat = elseStat;
    }

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

    @Override
    public ExpressionTree getCondition() {
        return cond;
    }

    @Override
    public StatementTree getThenStatement() {
        return thenStat;
    }

    /**
     * @return null if this if statement has no else branch.
     */
    @Override
    public StatementTree getElseStatement() {
        return elseStat;
    }

    @Override
    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
        return visitor.visitIf(this, data);
    }
}