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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 ASTMapLiteral extends JexlNode {
22      /**
23       *
24       */
25      private static final long serialVersionUID = 1L;
26      /** Whether this array is constant or not. */
27      private boolean constant = false;
28  
29      ASTMapLiteral(final int id) {
30          super(id);
31      }
32  
33      ASTMapLiteral(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 instanceof ASTMapEntry) {
54                  constant = child.isConstant(true);
55              } else if (!child.isConstant()) {
56                  constant = false;
57              }
58          }
59      }
60  
61      @Override
62      public Object jjtAccept(final ParserVisitor visitor, final Object data) {
63          return visitor.visit(this, data);
64      }
65  
66  }