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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpeclipse.internal.compiler.ast;
  12
  13 import net.sourceforge.phpdt.internal.compiler.CompilationResult;
  14 import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
  15 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  16 import net.sourceforge.phpdt.internal.compiler.lookup.LocalTypeBinding;
  17 import net.sourceforge.phpdt.internal.compiler.lookup.MethodBinding;
  18 import net.sourceforge.phpdt.internal.compiler.lookup.MethodScope;
  19 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  20 import net.sourceforge.phpdt.internal.compiler.problem.AbortType;
  21
  22 public class AnonymousLocalTypeDeclaration extends LocalTypeDeclaration {
  23
  24         public static final char[] ANONYMOUS_EMPTY_NAME = new char[] {};
  25         public QualifiedAllocationExpression allocation;
  26
  27         public AnonymousLocalTypeDeclaration(CompilationResult compilationResult) {
  28                 super(compilationResult);
  29                 modifiers = AccDefault;
  30                 name = ANONYMOUS_EMPTY_NAME;
  31         }
  32
  33         // use a default name in order to th name lookup
  34         // to operate just like a regular type (which has a name)
  35         //without checking systematically if the naem is null ....
  36         public MethodBinding createsInternalConstructorWithBinding(MethodBinding inheritedConstructorBinding) {
  37
  38                 //Add to method'set, the default constuctor that just recall the
  39                 //super constructor with the same arguments
  40                 String baseName = "$anonymous"; //$NON-NLS-1$
  41                 TypeBinding[] argumentTypes = inheritedConstructorBinding.parameters;
  42                 int argumentsLength = argumentTypes.length;
  43                 //the constructor
  44                 ConstructorDeclaration cd = new ConstructorDeclaration(this.compilationResult);
  45                 cd.selector = new char[] { 'x' }; //no maining
  46                 cd.sourceStart = sourceStart;
  47                 cd.sourceEnd = sourceEnd;
  48                 cd.modifiers = modifiers & AccVisibilityMASK;
  49                 cd.isDefaultConstructor = true;
  50
  51                 if (argumentsLength > 0) {
  52                         Argument[] arguments = (cd.arguments = new Argument[argumentsLength]);
  53                         for (int i = argumentsLength; --i >= 0;) {
  54                                 arguments[i] = new Argument((baseName + i).toCharArray(), 0L, null /*type ref*/, AccDefault);
  55                         }
  56                 }
  57
  58                 //the super call inside the constructor
  59                 cd.constructorCall = SuperReference.implicitSuperConstructorCall();
  60                 cd.constructorCall.sourceStart = sourceStart;
  61                 cd.constructorCall.sourceEnd = sourceEnd;
  62
  63                 if (argumentsLength > 0) {
  64                         Expression[] args;
  65                         args = cd.constructorCall.arguments = new Expression[argumentsLength];
  66                         for (int i = argumentsLength; --i >= 0;) {
  67                                 args[i] = new SingleNameReference((baseName + i).toCharArray(), 0L);
  68                         }
  69                 }
  70
  71                 //adding the constructor in the methods list
  72                 if (methods == null) {
  73                         methods = new AbstractMethodDeclaration[] { cd };
  74                 } else {
  75                         AbstractMethodDeclaration[] newMethods;
  76                         System.arraycopy(
  77                                 methods,
  78                                 0,
  79                                 newMethods = new AbstractMethodDeclaration[methods.length + 1],
  80                                 1,
  81                                 methods.length);
  82                         newMethods[0] = cd;
  83                         methods = newMethods;
  84                 }
  85
  86                 //============BINDING UPDATE==========================
  87                 cd.binding = new MethodBinding(
  88                                 cd.modifiers, //methodDeclaration
  89                                 argumentsLength == 0 ? NoParameters : argumentTypes, //arguments bindings
  90                                 inheritedConstructorBinding.thrownExceptions, //exceptions
  91                                 binding); //declaringClass
  92
  93                 cd.scope = new MethodScope(scope, cd, true);
  94                 cd.bindArguments();
  95                 cd.constructorCall.resolve(cd.scope);
  96
  97                 if (binding.methods == null) {
  98                         binding.methods = new MethodBinding[] { cd.binding };
  99                 } else {
 100                         MethodBinding[] newMethods;
 101                         System.arraycopy(
 102                                 binding.methods,
 103                                 0,
 104                                 newMethods = new MethodBinding[binding.methods.length + 1],
 105                                 1,
 106                                 binding.methods.length);
 107                         newMethods[0] = cd.binding;
 108                         binding.methods = newMethods;
 109                 }
 110                 //===================================================
 111
 112                 return cd.binding;
 113
 114         }
 115         public void resolve(BlockScope scope) {
 116
 117                 if (binding != null) {
 118                         // remember local types binding for innerclass emulation propagation
 119                         scope.referenceCompilationUnit().record((LocalTypeBinding)binding);
 120                 }
 121                 // scope and binding are provided in updateBindingSuperclass
 122                 resolve();
 123                 updateMaxFieldCount();
 124         }
 125
 126         public String toString(int tab) {
 127
 128                 return toStringBody(tab);
 129         }
 130
 131         /**
 132          *      Iteration for a local anonymous innertype
 133          *
 134          */
 135         public void traverse(
 136                 IAbstractSyntaxTreeVisitor visitor,
 137                 BlockScope blockScope) {
 138
 139                 if (ignoreFurtherInvestigation)
 140                         return;
 141                 try {
 142                         if (visitor.visit(this, blockScope)) {
 143
 144                                 int fieldsLength;
 145                                 int methodsLength;
 146                                 int memberTypesLength;
 147
 148                                 // <superclass> is bound to the actual type from the allocation expression
 149                                 // therefore it has already been iterated at this point.
 150
 151                                 if (memberTypes != null) {
 152                                         memberTypesLength = memberTypes.length;
 153                                         for (int i = 0; i < memberTypesLength; i++)
 154                                                 memberTypes[i].traverse(visitor, scope);
 155                                 }
 156                                 if (fields != null) {
 157                                         fieldsLength = fields.length;
 158                                         for (int i = 0; i < fieldsLength; i++) {
 159                                                 FieldDeclaration field;
 160                                                 if ((field = fields[i]).isStatic()) {
 161                                                         // local type cannot have static fields
 162                                                 } else {
 163                                                         field.traverse(visitor, initializerScope);
 164                                                 }
 165                                         }
 166                                 }
 167                                 if (methods != null) {
 168                                         methodsLength = methods.length;
 169                                         for (int i = 0; i < methodsLength; i++)
 170                                                 methods[i].traverse(visitor, scope);
 171                                 }
 172                         }
 173                         visitor.endVisit(this, blockScope);
 174                 } catch (AbortType e) {
 175                 }
 176         }
 177 }