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   1 /* *******************************************************************
   2  * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
   3  * All rights reserved.
   4  * This program and the accompanying materials are made available
   5  * under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     PARC     initial implementation
  11  * ******************************************************************/
  12 package org.aspectj.ajdt.internal.compiler.lookup;
  13
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
  18 import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
  19 import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
  20 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
  21 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ClassScope;
  22 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
  23 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
  24 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
  25 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
  26 import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
  27 import org.aspectj.weaver.ResolvedMember;
  28 import org.aspectj.weaver.UnresolvedType;
  29
  30 public class HelperInterfaceBinding extends SourceTypeBinding {
  31         private UnresolvedType typeX;
  32         SourceTypeBinding enclosingType;
  33         List<MethodBinding> methods = new ArrayList<MethodBinding>();
  34
  35         public HelperInterfaceBinding(SourceTypeBinding enclosingType, UnresolvedType typeX) {
  36                 super();
  37                 this.fPackage = enclosingType.fPackage;
  38                 // this.fileName = scope.referenceCompilationUnit().getFileName();
  39                 this.modifiers = ClassFileConstants.AccPublic | ClassFileConstants.AccInterface
  40                                 | ClassFileConstants.AccAbstract;
  41                 this.sourceName = enclosingType.scope.referenceContext.name;
  42                 this.enclosingType = enclosingType;
  43                 this.typeX = typeX;
  44                 this.typeVariables = Binding.NO_TYPE_VARIABLES;
  45                 this.scope = enclosingType.scope;
  46                 this.superInterfaces = new ReferenceBinding[0];
  47         }
  48
  49         public HelperInterfaceBinding(char[][] compoundName, PackageBinding fPackage, ClassScope scope) {
  50                 super(compoundName, fPackage, scope);
  51         }
  52
  53         public char[] getFileName() {
  54                 return enclosingType.getFileName();
  55         }
  56
  57         public UnresolvedType getTypeX() {
  58                 return typeX;
  59         }
  60
  61         public void addMethod(EclipseFactory world, ResolvedMember member) {
  62                 MethodBinding binding = world.makeMethodBinding(member);
  63                 this.methods.add(binding);
  64         }
  65
  66         public FieldBinding[] fields() {
  67                 return new FieldBinding[0];
  68         }
  69
  70         public MethodBinding[] methods() {
  71                 return new MethodBinding[0];
  72         }
  73
  74         public char[] constantPoolName() {
  75                 String sig = typeX.getSignature();
  76                 return sig.substring(1, sig.length() - 1).toCharArray();
  77         }
  78
  79         public void generateClass(CompilationResult result, ClassFile enclosingClassFile) {
  80                 ClassFile classFile = new ClassFile(this);
  81                 classFile.initialize(this, enclosingClassFile, false);
  82 //              classFile.recordInnerClasses(this);
  83                 // classFile.addFieldInfos();
  84                 classFile.contents[classFile.contentsOffset++] = (byte) 0;
  85                 classFile.contents[classFile.contentsOffset++] = (byte) 0;
  86                 classFile.setForMethodInfos();
  87                 for (MethodBinding b: methods) {
  88                         generateMethod(classFile, b);
  89                 }
  90                 classFile.addAttributes();
  91                 result.record(this.constantPoolName(), classFile);
  92         }
  93
  94         private void generateMethod(ClassFile classFile, MethodBinding binding) {
  95                 classFile.generateMethodInfoHeader(binding);
  96                 int methodAttributeOffset = classFile.contentsOffset;
  97                 int attributeNumber = classFile.generateMethodInfoAttributes(binding);
  98                 classFile.completeMethodInfo(binding, methodAttributeOffset, attributeNumber);
  99         }
 100
 101         public ReferenceBinding[] superInterfaces() {
 102                 return new ReferenceBinding[0];
 103         }
 104
 105 }