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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v0.5
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v05.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.CompilationResult;
  14 import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
  15 import net.sourceforge.phpdt.internal.compiler.lookup.*;
  16 import net.sourceforge.phpdt.internal.compiler.problem.*;
  17
  18 public class AnonymousLocalTypeDeclaration extends LocalTypeDeclaration {
  19
  20         public static final char[] ANONYMOUS_EMPTY_NAME = new char[] {};
  21         public QualifiedAllocationExpression allocation;
  22
  23         public AnonymousLocalTypeDeclaration(CompilationResult compilationResult) {
  24                 super(compilationResult);
  25                 modifiers = AccDefault;
  26                 name = ANONYMOUS_EMPTY_NAME;
  27         }
  28
  29         // use a default name in order to th name lookup
  30         // to operate juat like a regular type (which has a name)
  31         //without checking systematically if the naem is null ....
  32         public MethodBinding createsInternalConstructorWithBinding(MethodBinding inheritedConstructorBinding) {
  33
  34                 //Add to method'set, the default constuctor that just recall the
  35                 //super constructor with the same arguments
  36                 String baseName = "$anonymous"; //$NON-NLS-1$
  37                 TypeBinding[] argumentTypes = inheritedConstructorBinding.parameters;
  38                 int argumentsLength = argumentTypes.length;
  39                 //the constructor
  40                 ConstructorDeclaration cd = new ConstructorDeclaration(this.compilationResult);
  41                 cd.selector = new char[] { 'x' }; //no maining
  42                 cd.sourceStart = sourceStart;
  43                 cd.sourceEnd = sourceEnd;
  44                 cd.modifiers = modifiers & AccVisibilityMASK;
  45                 cd.isDefaultConstructor = true;
  46
  47                 if (argumentsLength > 0) {
  48                         Argument[] arguments = (cd.arguments = new Argument[argumentsLength]);
  49                         for (int i = argumentsLength; --i >= 0;) {
  50                                 arguments[i] = new Argument((baseName + i).toCharArray(), 0L, null /*type ref*/, AccDefault);
  51                         }
  52                 }
  53
  54                 //the super call inside the constructor
  55                 cd.constructorCall =
  56                         new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper);
  57                 cd.constructorCall.sourceStart = sourceStart;
  58                 cd.constructorCall.sourceEnd = sourceEnd;
  59
  60                 if (argumentsLength > 0) {
  61                         Expression[] args;
  62                         args = cd.constructorCall.arguments = new Expression[argumentsLength];
  63                         for (int i = argumentsLength; --i >= 0;) {
  64                                 args[i] = new SingleNameReference((baseName + i).toCharArray(), 0L);
  65                         }
  66                 }
  67
  68                 //adding the constructor in the methods list
  69                 if (methods == null) {
  70                         methods = new AbstractMethodDeclaration[] { cd };
  71                 } else {
  72                         AbstractMethodDeclaration[] newMethods;
  73                         System.arraycopy(
  74                                 methods,
  75                                 0,
  76                                 newMethods = new AbstractMethodDeclaration[methods.length + 1],
  77                                 1,
  78                                 methods.length);
  79                         newMethods[0] = cd;
  80                         methods = newMethods;
  81                 }
  82
  83                 //============BINDING UPDATE==========================
  84                 cd.binding = new MethodBinding(
  85                                 cd.modifiers, //methodDeclaration
  86                                 argumentsLength == 0 ? NoParameters : argumentTypes, //arguments bindings
  87                                 inheritedConstructorBinding.thrownExceptions, //exceptions
  88                                 binding); //declaringClass
  89
  90                 cd.scope = new MethodScope(scope, this, true);
  91                 cd.bindArguments();
  92                 cd.constructorCall.resolve(cd.scope);
  93
  94                 if (binding.methods == null) {
  95                         binding.methods = new MethodBinding[] { cd.binding };
  96                 } else {
  97                         MethodBinding[] newMethods;
  98                         System.arraycopy(
  99                                 binding.methods,
 100                                 0,
 101                                 newMethods = new MethodBinding[binding.methods.length + 1],
 102                                 1,
 103                                 binding.methods.length);
 104                         newMethods[0] = cd.binding;
 105                         binding.methods = newMethods;
 106                 }
 107                 //===================================================
 108
 109                 return cd.binding;
 110
 111         }
 112         public void resolve(BlockScope scope) {
 113
 114                 // scope and binding are provided in updateBindingSuperclass
 115                 resolve();
 116                 updateMaxFieldCount();
 117         }
 118
 119         public String toString(int tab) {
 120
 121                 return toStringBody(tab);
 122         }
 123
 124         /**
 125          *      Iteration for a local anonymous innertype
 126          *
 127          */
 128         public void traverse(
 129                 IAbstractSyntaxTreeVisitor visitor,
 130                 BlockScope blockScope) {
 131
 132                 if (ignoreFurtherInvestigation)
 133                         return;
 134                 try {
 135                         if (visitor.visit(this, blockScope)) {
 136
 137                                 int fieldsLength;
 138                                 int methodsLength;
 139                                 int memberTypesLength;
 140
 141                                 // <superclass> is bound to the actual type from the allocation expression
 142                                 // therefore it has already been iterated at this point.
 143
 144                                 if (memberTypes != null) {
 145                                         memberTypesLength = memberTypes.length;
 146                                         for (int i = 0; i < memberTypesLength; i++)
 147                                                 memberTypes[i].traverse(visitor, scope);
 148                                 }
 149                                 if (fields != null) {
 150                                         fieldsLength = fields.length;
 151                                         for (int i = 0; i < fieldsLength; i++) {
 152                                                 FieldDeclaration field;
 153                                                 if ((field = fields[i]).isStatic()) {
 154                                                         // local type cannot have static fields
 155                                                 } else {
 156                                                         field.traverse(visitor, initializerScope);
 157                                                 }
 158                                         }
 159                                 }
 160                                 if (methods != null) {
 161                                         methodsLength = methods.length;
 162                                         for (int i = 0; i < methodsLength; i++)
 163                                                 methods[i].traverse(visitor, scope);
 164                                 }
 165                         }
 166                         visitor.endVisit(this, blockScope);
 167                 } catch (AbortType e) {
 168                 }
 169         }
 170 }