InstanceOfTreeImpl.java revision 1263:044a0fe3944f 
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.BinaryNode;
29import jdk.nashorn.internal.parser.TokenType;
30
31final class InstanceOfTreeImpl extends BinaryTreeImpl implements InstanceOfTree {
32    InstanceOfTreeImpl(final BinaryNode node,
33            final ExpressionTree expr,
34            final ExpressionTree type) {
35        super(node, expr, type);
36        assert node.isTokenType(TokenType.INSTANCEOF) : "instanceof expected";
37    }
38
39    @Override
40    public Kind getKind() {
41        return Kind.INSTANCE_OF;
42    }
43
44    @Override
45    public ExpressionTree getExpression() {
46        return getLeftOperand();
47    }
48
49    @Override
50    public Tree getType() {
51        return getRightOperand();
52    }
53
54    @Override
55    public <R,D> R accept(TreeVisitor<R,D> visitor, D data) {
56        return visitor.visitInstanceOf(this, data);
57    }
58}
59