001    /*
002     $Id: ASTNode.java 3419 2006-01-19 00:07:02Z blackdrag $
003    
004     Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005    
006     Redistribution and use of this software and associated documentation
007     ("Software"), with or without modification, are permitted provided
008     that the following conditions are met:
009    
010     1. Redistributions of source code must retain copyright
011        statements and notices.  Redistributions must also contain a
012        copy of this document.
013    
014     2. Redistributions in binary form must reproduce the
015        above copyright notice, this list of conditions and the
016        following disclaimer in the documentation and/or other
017        materials provided with the distribution.
018    
019     3. The name "groovy" must not be used to endorse or promote
020        products derived from this Software without prior written
021        permission of The Codehaus.  For written permission,
022        please contact info@codehaus.org.
023    
024     4. Products derived from this Software may not be called "groovy"
025        nor may "groovy" appear in their names without prior written
026        permission of The Codehaus. "groovy" is a registered
027        trademark of The Codehaus.
028    
029     5. Due credit should be given to The Codehaus -
030        http://groovy.codehaus.org/
031    
032     THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033     ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034     NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
036     THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043     OF THE POSSIBILITY OF SUCH DAMAGE.
044    
045     */
046    package org.codehaus.groovy.ast;
047    
048    
049    /**
050     * Base class for any AST node
051     * 
052     * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
053     * @version $Revision: 3419 $
054     */
055    public class ASTNode {
056    
057        private int lineNumber = -1;
058        private int columnNumber = -1;
059        private int lastLineNumber = -1;
060        private int lastColumnNumber = -1;
061    
062        public void visit(GroovyCodeVisitor visitor) {
063            throw new RuntimeException("No visit() method implemented for class: " + getClass().getName());
064        }
065    
066        public String getText() {
067            return "<not implemented yet for class: " + getClass().getName() + ">";
068        }
069    
070        public int getLineNumber() {
071            return lineNumber;
072        }
073    
074        public void setLineNumber(int lineNumber) {
075            this.lineNumber = lineNumber;
076        }
077    
078        public int getColumnNumber() {
079            return columnNumber;
080        }
081    
082        public void setColumnNumber(int columnNumber) {
083            this.columnNumber = columnNumber;
084        }
085    
086        public int getLastLineNumber() {
087            return lastLineNumber;
088        }
089    
090        public void setLastLineNumber(int lastLineNumber) {
091            this.lastLineNumber = lastLineNumber;
092        }
093    
094        public int getLastColumnNumber() {
095            return lastColumnNumber;
096        }
097    
098        public void setLastColumnNumber(int lastColumnNumber) {
099            this.lastColumnNumber = lastColumnNumber;
100        }
101        
102        /**
103         * Sets the source position using another ASTNode.
104         * The sourcePosition consists of a line/column pair for
105         * the start and a line/column pair for the end of the
106         * expression or statement 
107         * 
108         */
109        public void setSourcePosition(ASTNode node) {
110            this.columnNumber = node.getColumnNumber();
111            this.lastLineNumber = node.getLastLineNumber();
112            this.lastColumnNumber = node.getLastColumnNumber();
113            this.lineNumber = node.getLineNumber();
114        }
115    }