1 /* 2 * $Id: ClassGenerator.java,v 1.189 2004/12/17 09:04:12 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.Constants; 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:james@coredevelopers.net">James Strachan</a> 46 * @version $Revision: 1.189 $ 47 */ 48 public abstract class ClassGenerator extends CodeVisitorSupport implements GroovyClassVisitor, Constants { 49 protected ClassLoader classLoader; 50 // inner classes created while generating bytecode 51 protected LinkedList innerClasses = new LinkedList(); 52 53 public ClassGenerator(ClassLoader classLoader) { 54 this.classLoader = classLoader; 55 } 56 57 public LinkedList getInnerClasses() { 58 return innerClasses; 59 } 60 61 public ClassLoader getClassLoader() { 62 return classLoader; 63 } 64 65 /*** 66 * A constant that is the ASM representation of the JDK version number for use in the 67 * <code>ClassWriter.visitor</code> method calls. 68 * 69 * <p>Prior to version 1.5 of ASM, the code generated was always JDK1.3 compliant. As of ASM version 70 * 1.5 there is an extra (first) parameter to specify the bytecode version to generate. In 71 * version 1.5 these are in Constants. The CVS (as at 2004.12.12) and presumably in version 2.0, 72 * the interface Constants is replaced by Opcodes.</p> 73 * 74 * @author Russel Winder 75 * @version 2004.12.14 76 */ 77 public final static int asmJDKVersion = V1_3 ; 78 // We can use V1_3 and not org.objectweb.asm.Constants.V1_3 because this abstract class 79 // implements org.objectweb.asm.Constants so all its constants are available directly. 80 }