1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.jexl3.parser;
18
19 import org.apache.commons.jexl3.internal.Debugger;
20
21 public final class ASTSetLiteral extends JexlNode {
22 /**
23 *
24 */
25 private static final long serialVersionUID = 1L;
26 /** Whether this set is constant or not. */
27 private boolean constant = false;
28
29 ASTSetLiteral(final int id) {
30 super(id);
31 }
32
33 ASTSetLiteral(final Parser p, final int id) {
34 super(p, id);
35 }
36
37 @Override
38 public String toString() {
39 final Debugger dbg = new Debugger();
40 return dbg.data(this);
41 }
42
43 @Override
44 protected boolean isConstant(final boolean literal) {
45 return constant;
46 }
47
48 @Override
49 public void jjtClose() {
50 constant = true;
51 for (int c = 0; c < jjtGetNumChildren() && constant; ++c) {
52 final JexlNode child = jjtGetChild(c);
53 if (!child.isConstant()) {
54 constant = false;
55 }
56 }
57 }
58
59 @Override
60 public Object jjtAccept(final ParserVisitor visitor, final Object data) {
61 return visitor.visit(this, data);
62 }
63
64 }