001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.jexl2.parser;
018    
019    /**
020     * Identifiers, variables and registers.
021     */
022    public class ASTIdentifier extends JexlNode {
023        private int register = -1;
024        public ASTIdentifier(int id) {
025            super(id);
026        }
027    
028        public ASTIdentifier(Parser p, int id) {
029            super(p, id);
030        }
031        
032        void setRegister(String r) {
033            if (r.charAt(0) == '#') {
034                register = Integer.parseInt(r.substring(1));
035            }
036        }
037        
038        void setRegister(int r) {
039            register = r;
040        }
041        
042        public int getRegister() {
043            return register;
044        }
045    
046        @Override
047        public Object jjtAccept(ParserVisitor visitor, Object data) {
048            return visitor.visit(this, data);
049        }
050    }