1 /* 2 * $Id: ClassGenerator.java,v 1.191 2005/05/27 10:13:09 russel Exp $ 3 * 4 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. 5 * 6 * Redistribution and use of this software and associated documentation 7 * ("Software"), with or without modification, are permitted provided that the 8 * following conditions are met: 1. Redistributions of source code must retain 9 * copyright statements and notices. Redistributions must also contain a copy 10 * of this document. 2. Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 3. 13 * The name "groovy" must not be used to endorse or promote products derived 14 * from this Software without prior written permission of The Codehaus. For 15 * written permission, please contact info@codehaus.org. 4. Products derived 16 * from this Software may not be called "groovy" nor may "groovy" appear in 17 * their names without prior written permission of The Codehaus. "groovy" is a 18 * registered trademark of The Codehaus. 5. Due credit should be given to The 19 * Codehaus - http://groovy.codehaus.org/ 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY 22 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR 25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 31 * DAMAGE. 32 * 33 */ 34 package org.codehaus.groovy.classgen; 35 36 import org.codehaus.groovy.ast.CodeVisitorSupport; 37 import org.codehaus.groovy.ast.GroovyClassVisitor; 38 import org.objectweb.asm.Opcodes; 39 40 import java.util.LinkedList; 41 42 /*** 43 * Abstract base class for generator of Java class versions of Groovy AST classes 44 * 45 * @author <a href="mailto:jstrachan@protique.com">James Strachan</a> 46 * @author Russel Winder 47 * @version $Revision: 1.191 $ 48 */ 49 public abstract class ClassGenerator extends CodeVisitorSupport implements GroovyClassVisitor, Opcodes { 50 protected ClassLoader classLoader; 51 // inner classes created while generating bytecode 52 protected LinkedList innerClasses = new LinkedList(); 53 54 public ClassGenerator(ClassLoader classLoader) { 55 this.classLoader = classLoader; 56 } 57 58 public LinkedList getInnerClasses() { 59 return innerClasses; 60 } 61 62 public ClassLoader getClassLoader() { 63 return classLoader; 64 } 65 66 /*** 67 * A constant that is the ASM representation of the JDK version number for use in the 68 * <code>ClassWriter.visitor</code> method calls. 69 * 70 * <p>Prior to version 1.5 of ASM, the code generated was always JDK1.3 compliant. As of ASM version 71 * 1.5 there is an extra (first) parameter to specify the bytecode version to generate. In 72 * version 1.5 these are in Constants. The CVS (as at 2004.12.12) and presumably in version 2.0, 73 * the interface Constants is replaced by Opcodes.</p> 74 */ 75 public final static int asmJDKVersion = V1_3 ; 76 // We can use V1_3 and not org.objectweb.asm.Opcodes.V1_3 because this abstract class 77 // implements org.objectweb.asm.Opcodes so all its constants are available directly. 78 }