IdentifierTreeImpl.java revision 1739:4a6a1fd3d3dd 
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
26
27package jdk.nashorn.api.tree;
28
29import jdk.nashorn.internal.ir.IdentNode;
30import jdk.nashorn.internal.ir.Module;
31
32final class IdentifierTreeImpl extends ExpressionTreeImpl implements IdentifierTree {
33    private final String name;
34
35    IdentifierTreeImpl(final IdentNode node) {
36        super(node);
37        this.name = node.getName();
38    }
39
40    @Override
41    public Kind getKind() {
42        return Kind.IDENTIFIER;
43    }
44
45    @Override
46    public String getName() {
47        return name;
48    }
49
50    @Override
51    public boolean isRestParameter() {
52        return ((IdentNode)node).isRestParameter();
53    }
54
55    @Override
56    public boolean isSuper() {
57        final IdentNode ident = (IdentNode)node;
58        return ident.isDirectSuper() || "super".equals(ident.getName());
59    }
60
61    @Override
62    public boolean isThis() {
63        return "this".equals(((IdentNode)node).getName());
64    }
65
66    @Override
67    public boolean isStar() {
68        return Module.STAR_NAME.equals(((IdentNode)node).getName());
69    }
70
71    @Override
72    public boolean isDefault() {
73        return Module.DEFAULT_NAME.equals(((IdentNode)node).getName());
74    }
75
76    @Override
77    public boolean isStarDefaultStar() {
78        return Module.DEFAULT_EXPORT_BINDING_NAME.equals(((IdentNode)node).getName());
79    }
80
81    @Override
82    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
83        return visitor.visitIdentifier(this, data);
84    }
85}
86