001 /*
002 * $Id: ClassGenerator.java,v 1.191 2005/05/27 10:13:09 russel Exp $
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 that the
008 * following conditions are met: 1. Redistributions of source code must retain
009 * copyright statements and notices. Redistributions must also contain a copy
010 * of this document. 2. Redistributions in binary form must reproduce the above
011 * copyright notice, this list of conditions and the following disclaimer in
012 * the documentation and/or other materials provided with the distribution. 3.
013 * The name "groovy" must not be used to endorse or promote products derived
014 * from this Software without prior written permission of The Codehaus. For
015 * written permission, please contact info@codehaus.org. 4. Products derived
016 * from this Software may not be called "groovy" nor may "groovy" appear in
017 * their names without prior written permission of The Codehaus. "groovy" is a
018 * registered trademark of The Codehaus. 5. Due credit should be given to The
019 * Codehaus - http://groovy.codehaus.org/
020 *
021 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
022 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
023 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
024 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
025 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
026 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
027 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
028 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
029 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
030 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
031 * DAMAGE.
032 *
033 */
034 package org.codehaus.groovy.classgen;
035
036 import org.codehaus.groovy.ast.CodeVisitorSupport;
037 import org.codehaus.groovy.ast.GroovyClassVisitor;
038 import org.objectweb.asm.Opcodes;
039
040 import java.util.LinkedList;
041
042 /**
043 * Abstract base class for generator of Java class versions of Groovy AST classes
044 *
045 * @author <a href="mailto:jstrachan@protique.com">James Strachan</a>
046 * @author Russel Winder
047 * @version $Revision: 1.191 $
048 */
049 public abstract class ClassGenerator extends CodeVisitorSupport implements GroovyClassVisitor, Opcodes {
050 protected ClassLoader classLoader;
051 // inner classes created while generating bytecode
052 protected LinkedList innerClasses = new LinkedList();
053
054 public ClassGenerator(ClassLoader classLoader) {
055 this.classLoader = classLoader;
056 }
057
058 public LinkedList getInnerClasses() {
059 return innerClasses;
060 }
061
062 public ClassLoader getClassLoader() {
063 return classLoader;
064 }
065
066 /**
067 * A constant that is the ASM representation of the JDK version number for use in the
068 * <code>ClassWriter.visitor</code> method calls.
069 *
070 * <p>Prior to version 1.5 of ASM, the code generated was always JDK1.3 compliant. As of ASM version
071 * 1.5 there is an extra (first) parameter to specify the bytecode version to generate. In
072 * version 1.5 these are in Constants. The CVS (as at 2004.12.12) and presumably in version 2.0,
073 * the interface Constants is replaced by Opcodes.</p>
074 */
075 public final static int asmJDKVersion = V1_3 ;
076 // We can use V1_3 and not org.objectweb.asm.Opcodes.V1_3 because this abstract class
077 // implements org.objectweb.asm.Opcodes so all its constants are available directly.
078 }