001 /* 002 $Id: GeneratorContext.java,v 1.4 2004/05/14 10:50:11 bran 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 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.classgen; 047 048 import org.codehaus.groovy.ast.ClassNode; 049 import org.codehaus.groovy.ast.CompileUnit; 050 import org.codehaus.groovy.ast.MethodNode; 051 052 053 /** 054 * A context shared across generations of a class and its inner classes 055 * 056 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 057 * @version $Revision: 1.4 $ 058 */ 059 public class GeneratorContext { 060 061 private int innerClassIdx = 1; 062 private CompileUnit compileUnit; 063 064 public GeneratorContext(CompileUnit compileUnit) { 065 this.compileUnit = compileUnit; 066 } 067 068 public int getNextInnerClassIdx() { 069 return innerClassIdx++; 070 } 071 072 public CompileUnit getCompileUnit() { 073 return compileUnit; 074 } 075 076 public String getNextClosureInnerName(ClassNode owner, ClassNode enclosingClass, MethodNode enclosingMethod) { 077 String ownerShortName = owner.getNameWithoutPackage(); 078 String classShortName = enclosingClass.getNameWithoutPackage(); 079 if (classShortName.equals(ownerShortName)) { 080 classShortName = ""; 081 } 082 else { 083 classShortName += "_"; 084 } 085 // remove $ 086 int dp = classShortName.lastIndexOf("$"); 087 if (dp >= 0) { 088 classShortName = classShortName.substring(++dp); 089 } 090 // remove leading _ 091 if (classShortName.startsWith("_")) { 092 classShortName = classShortName.substring(1); 093 } 094 String methodName = ""; 095 if (enclosingMethod != null) { 096 methodName = enclosingMethod.getName() + "_"; 097 098 if (enclosingClass.isDerivedFrom("groovy.lang.Closure")) { 099 methodName = ""; 100 } 101 methodName = methodName.replace('<', '_'); 102 methodName = methodName.replace('>', '_'); 103 } 104 return "_" + classShortName + methodName + "closure" + getNextInnerClassIdx(); 105 } 106 }