net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/AnonymousLocalTypeDeclaration.java

   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.phpdt.internal.compiler.ast;
  12
  13 import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
  14 import net.sourceforge.phpdt.internal.compiler.CompilationResult;
  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
  26         public QualifiedAllocationExpression allocation;
  27
  28         public AnonymousLocalTypeDeclaration(CompilationResult compilationResult) {
  29                 super(compilationResult);
  30                 modifiers = AccDefault;
  31                 name = ANONYMOUS_EMPTY_NAME;
  32         }
  33
  34         // use a default name in order to th name lookup
  35         // to operate just like a regular type (which has a name)
  36         // without checking systematically if the naem is null ....
  37         public MethodBinding createsInternalConstructorWithBinding(
  38                         MethodBinding inheritedConstructorBinding) {
  39
  40                 // Add to method'set, the default constuctor that just recall the
  41                 // super constructor with the same arguments
  42                 String baseName = "$anonymous"; //$NON-NLS-1$
  43                 TypeBinding[] argumentTypes = inheritedConstructorBinding.parameters;
  44                 int argumentsLength = argumentTypes.length;
  45                 // the constructor
  46                 ConstructorDeclaration cd = new ConstructorDeclaration(
  47                                 this.compilationResult);
  48                 cd.selector = new char[] { 'x' }; // no maining
  49                 cd.sourceStart = sourceStart;
  50                 cd.sourceEnd = sourceEnd;
  51                 cd.modifiers = modifiers & AccVisibilityMASK;
  52                 cd.isDefaultConstructor = true;
  53
  54                 if (argumentsLength > 0) {
  55                         Argument[] arguments = (cd.arguments = new Argument[argumentsLength]);
  56                         for (int i = argumentsLength; --i >= 0;) {
  57                                 arguments[i] = new Argument((baseName + i).toCharArray(), 0L,
  58                                                 null /* type ref */, AccDefault);
  59                         }
  60                 }
  61
  62                 // the super call inside the constructor
  63                 cd.constructorCall = SuperReference.implicitSuperConstructorCall();
  64                 cd.constructorCall.sourceStart = sourceStart;
  65                 cd.constructorCall.sourceEnd = sourceEnd;
  66
  67                 if (argumentsLength > 0) {
  68                         Expression[] args;
  69                         args = cd.constructorCall.arguments = new Expression[argumentsLength];
  70                         for (int i = argumentsLength; --i >= 0;) {
  71                                 args[i] = new SingleNameReference((baseName + i).toCharArray(),
  72                                                 0L);
  73                         }
  74                 }
  75
  76                 // adding the constructor in the methods list
  77                 if (methods == null) {
  78                         methods = new AbstractMethodDeclaration[] { cd };
  79                 } else {
  80                         AbstractMethodDeclaration[] newMethods;
  81                         System
  82                                         .arraycopy(
  83                                                         methods,
  84                                                         0,
  85                                                         newMethods = new AbstractMethodDeclaration[methods.length + 1],
  86                                                         1, methods.length);
  87                         newMethods[0] = cd;
  88                         methods = newMethods;
  89                 }
  90
  91                 // ============BINDING UPDATE==========================
  92                 cd.binding = new MethodBinding(cd.modifiers, // methodDeclaration
  93                                 argumentsLength == 0 ? NoParameters : argumentTypes, // arguments
  94                                                                                                                                                 // bindings
  95                                 inheritedConstructorBinding.thrownExceptions, // exceptions
  96                                 binding); // declaringClass
  97
  98                 cd.scope = new MethodScope(scope, cd, true);
  99                 cd.bindArguments();
 100                 cd.constructorCall.resolve(cd.scope);
 101
 102                 if (binding.methods == null) {
 103                         binding.methods = new MethodBinding[] { cd.binding };
 104                 } else {
 105                         MethodBinding[] newMethods;
 106                         System.arraycopy(binding.methods, 0,
 107                                         newMethods = new MethodBinding[binding.methods.length + 1],
 108                                         1, binding.methods.length);
 109                         newMethods[0] = cd.binding;
 110                         binding.methods = newMethods;
 111                 }
 112                 // ===================================================
 113
 114                 return cd.binding;
 115
 116         }
 117
 118         public void resolve(BlockScope scope) {
 119
 120                 if (binding != null) {
 121                         // remember local types binding for innerclass emulation propagation
 122                         scope.referenceCompilationUnit().record((LocalTypeBinding) binding);
 123                 }
 124                 // scope and binding are provided in updateBindingSuperclass
 125                 resolve();
 126                 updateMaxFieldCount();
 127         }
 128
 129         public String toString(int tab) {
 130
 131                 return toStringBody(tab);
 132         }
 133
 134         /**
 135          * Iteration for a local anonymous innertype
 136          *
 137          */
 138         public void traverse(ASTVisitor visitor, BlockScope blockScope) {
 139
 140                 if (ignoreFurtherInvestigation)
 141                         return;
 142                 try {
 143                         if (visitor.visit(this, blockScope)) {
 144
 145                                 int fieldsLength;
 146                                 int methodsLength;
 147                                 int memberTypesLength;
 148
 149                                 // <superclass> is bound to the actual type from the allocation
 150                                 // expression
 151                                 // therefore it has already been iterated at this point.
 152
 153                                 if (memberTypes != null) {
 154                                         memberTypesLength = memberTypes.length;
 155                                         for (int i = 0; i < memberTypesLength; i++)
 156                                                 memberTypes[i].traverse(visitor, scope);
 157                                 }
 158                                 if (fields != null) {
 159                                         fieldsLength = fields.length;
 160                                         for (int i = 0; i < fieldsLength; i++) {
 161                                                 FieldDeclaration field;
 162                                                 if ((field = fields[i]).isStatic()) {
 163                                                         // local type cannot have static fields
 164                                                 } else {
 165                                                         field.traverse(visitor, initializerScope);
 166                                                 }
 167                                         }
 168                                 }
 169                                 if (methods != null) {
 170                                         methodsLength = methods.length;
 171                                         for (int i = 0; i < methodsLength; i++)
 172                                                 methods[i].traverse(visitor, scope);
 173                                 }
 174                         }
 175                         visitor.endVisit(this, blockScope);
 176                 } catch (AbortType e) {
 177                 }
 178         }
 179 }