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 package jdk.nashorn.api.tree;
27
28 import java.util.List;
29 import jdk.nashorn.internal.ir.FunctionNode;
30
31 final class FunctionExpressionTreeImpl extends ExpressionTreeImpl
32 implements FunctionExpressionTree {
33 private final FunctionNode funcNode;
34 private final String funcName;
35 private final List<? extends ExpressionTree> params;
36 private final BlockTree body;
37
38 FunctionExpressionTreeImpl(final FunctionNode node,
39 final List<? extends ExpressionTree> params,
40 final BlockTree body) {
41 super(node);
42 funcNode = node;
43 assert !funcNode.isDeclared() || funcNode.isAnonymous() : "function expression expected";
44
45 final FunctionNode.Kind kind = node.getKind();
46 if (node.isAnonymous() || kind == FunctionNode.Kind.GETTER || kind == FunctionNode.Kind.SETTER) {
47 funcName = null;
48 } else {
49 funcName = node.getIdent().getName();
50 }
51
52 this.params = params;
53 this.body = body;
54 }
55
56 @Override
57 public Tree.Kind getKind() {
58 return Tree.Kind.FUNCTION_EXPRESSION;
59 }
60
61 @Override
62 public String getName() {
63 return funcName;
64 }
65
66 @Override
67 public List<? extends ExpressionTree> getParameters() {
68 return params;
69 }
70
71 @Override
72 public BlockTree getBody() {
73 return body;
74 }
75
76 @Override
77 public boolean isStrict() {
78 return funcNode.isStrict();
79 }
80
81 @Override
82 public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
83 return visitor.visitFunctionExpression(this, data);
84 }
85 }
--- EOF ---