ForOfLoopTreeImpl.java revision 1739:4a6a1fd3d3dd
1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24 */
25package jdk.nashorn.api.tree;
26
27import jdk.nashorn.internal.ir.ForNode;
28
29final class ForOfLoopTreeImpl extends StatementTreeImpl implements ForOfLoopTree {
30    private final ExpressionTree lhsExpr;
31    private final ExpressionTree expr;
32    private final StatementTree stat;
33
34    ForOfLoopTreeImpl(final ForNode node,
35            final ExpressionTree lhsExpr,
36            final ExpressionTree expr,
37            final StatementTree stat) {
38        super(node);
39        assert node.isForIn() : "for ..in expected";
40        this.lhsExpr = lhsExpr;
41        this.expr = expr;
42        this.stat = stat;
43    }
44
45    @Override
46    public Kind getKind() {
47        return Kind.FOR_IN_LOOP;
48    }
49
50    @Override
51    public ExpressionTree getVariable() {
52        return lhsExpr;
53    }
54
55    @Override
56    public ExpressionTree getExpression() {
57        return expr;
58    }
59
60    @Override
61    public StatementTree getStatement() {
62        return stat;
63    }
64
65    @Override
66    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
67        return visitor.visitForOfLoop(this, data);
68    }
69}
70