001 /* 002 $Id: GeneratorContext.java 3104 2005-11-13 16:42:14Z 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 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.ClassHelper; 049 import org.codehaus.groovy.ast.ClassNode; 050 import org.codehaus.groovy.ast.CompileUnit; 051 import org.codehaus.groovy.ast.MethodNode; 052 053 054 /** 055 * A context shared across generations of a class and its inner classes 056 * 057 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 058 * @version $Revision: 3104 $ 059 */ 060 public class GeneratorContext { 061 062 private int innerClassIdx = 1; 063 private CompileUnit compileUnit; 064 065 public GeneratorContext(CompileUnit compileUnit) { 066 this.compileUnit = compileUnit; 067 } 068 069 public int getNextInnerClassIdx() { 070 return innerClassIdx++; 071 } 072 073 public CompileUnit getCompileUnit() { 074 return compileUnit; 075 } 076 077 public String getNextClosureInnerName(ClassNode owner, ClassNode enclosingClass, MethodNode enclosingMethod) { 078 String ownerShortName = owner.getNameWithoutPackage(); 079 String classShortName = enclosingClass.getNameWithoutPackage(); 080 if (classShortName.equals(ownerShortName)) { 081 classShortName = ""; 082 } 083 else { 084 classShortName += "_"; 085 } 086 // remove $ 087 int dp = classShortName.lastIndexOf("$"); 088 if (dp >= 0) { 089 classShortName = classShortName.substring(++dp); 090 } 091 // remove leading _ 092 if (classShortName.startsWith("_")) { 093 classShortName = classShortName.substring(1); 094 } 095 String methodName = ""; 096 if (enclosingMethod != null) { 097 methodName = enclosingMethod.getName() + "_"; 098 099 if (enclosingClass.isDerivedFrom(ClassHelper.CLOSURE_TYPE)) { 100 methodName = ""; 101 } 102 methodName = methodName.replace('<', '_'); 103 methodName = methodName.replace('>', '_'); 104 } 105 return "_" + classShortName + methodName + "closure" + getNextInnerClassIdx(); 106 } 107 }