001 /* 002 * $Id: ClassGenerator.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 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.ClassCodeVisitorSupport; 037 import org.codehaus.groovy.control.SourceUnit; 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: 3419 $ 048 */ 049 public abstract class ClassGenerator extends ClassCodeVisitorSupport implements 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. 078 079 080 protected SourceUnit getSourceUnit() { 081 return null; 082 } 083 }