ForInLoopTreeImpl.java revision 1304:4da1c371efcb 
1/*
2 * Copyright (c) 2015, 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
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package jdk.nashorn.api.tree;
27
28import jdk.nashorn.internal.ir.ForNode;
29
30final class ForInLoopTreeImpl extends StatementTreeImpl implements ForInLoopTree {
31    private final ExpressionTree lhsExpr;
32    private final ExpressionTree expr;
33    private final StatementTree stat;
34    private final boolean forEach;
35
36    ForInLoopTreeImpl(final ForNode node,
37            final ExpressionTree lhsExpr,
38            final ExpressionTree expr,
39            final StatementTree stat) {
40        super(node);
41        assert node.isForIn() : "for ..in expected";
42        this.lhsExpr = lhsExpr;
43        this.expr = expr;
44        this.stat = stat;
45        this.forEach = node.isForEach();
46    }
47
48    @Override
49    public Kind getKind() {
50        return Kind.FOR_IN_LOOP;
51    }
52
53    @Override
54    public ExpressionTree getVariable() {
55        return lhsExpr;
56    }
57
58    @Override
59    public ExpressionTree getExpression() {
60        return expr;
61    }
62
63    @Override
64    public StatementTree getStatement() {
65        return stat;
66    }
67
68    @Override
69    public boolean isForEach() {
70        return forEach;
71    }
72
73    @Override
74    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
75        return visitor.visitForInLoop(this, data);
76    }
77}
78