View Javadoc

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.jexl2.parser;
18  
19  /**
20   * Identifiers, variables and registers.
21   */
22  public class ASTIdentifier extends JexlNode {
23      private int register = -1;
24      public ASTIdentifier(int id) {
25          super(id);
26      }
27  
28      public ASTIdentifier(Parser p, int id) {
29          super(p, id);
30      }
31      
32      void setRegister(String r) {
33          if (r.charAt(0) == '#') {
34              register = Integer.parseInt(r.substring(1));
35          }
36      }
37      
38      void setRegister(int r) {
39          register = r;
40      }
41      
42      public int getRegister() {
43          return register;
44      }
45  
46      @Override
47      public Object jjtAccept(ParserVisitor visitor, Object data) {
48          return visitor.visit(this, data);
49      }
50  }