public static VariableDeclaration add_Variable(this BlockStatement blockDeclaration, string name, Expression expression, TypeReference typeReference)
 {
     var variableDeclaration = new VariableDeclaration(name, expression) {TypeReference = typeReference};
     var localVariableDeclaration = new LocalVariableDeclaration(variableDeclaration);
     blockDeclaration.append(localVariableDeclaration);
     return variableDeclaration;
 }

		public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
		{
			if (nameComparer.Equals(from, variableDeclaration.Name)) {
				variableDeclaration.Name = to;
			}
			return base.VisitVariableDeclaration(variableDeclaration, data);
		}

		public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
		{
			// process local variables only
			if (fields.Contains(variableDeclaration)) {
				return null;
			}
			curBlock.Add(variableDeclaration.Name);
			return base.VisitVariableDeclaration(variableDeclaration, data);
		}

        bool Contains(VariableDeclaration varDecl)
        {
            foreach (VariableDeclaration v in this.unneededVarDecls) {
                if (v.Name == varDecl.Name) {
                    return true;
                }
            }

            return false;
        }

            public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
            {
                var objectCreateExpression = variableDeclaration.Initializer as ObjectCreateExpression;
                if (objectCreateExpression != null && objectCreateExpression.IsAnonymousType)
                {
                    UnlockWith(variableDeclaration);
                }

                return base.VisitVariableDeclaration(variableDeclaration, data);
            }

		public override void GenerateCode(List<AbstractNode> nodes, IList items)
		{
			TypeReference intReference = new TypeReference("System.Int32");
			MethodDeclaration method = new MethodDeclaration("GetHashCode", Modifiers.Public | Modifiers.Override, intReference, null, null);
			Expression expr = CallGetHashCode(new IdentifierExpression(currentClass.Fields[0].Name));
			for (int i = 1; i < currentClass.Fields.Count; i++) {
				IdentifierExpression identifier = new IdentifierExpression(currentClass.Fields[i].Name);
				expr = new BinaryOperatorExpression(expr, BinaryOperatorType.ExclusiveOr,
				                                    CallGetHashCode(identifier));
			}
			method.Body = new BlockStatement();
			method.Body.AddChild(new ReturnStatement(expr));
			nodes.Add(method);
			
			TypeReference boolReference = new TypeReference("System.Boolean");
			TypeReference objectReference = new TypeReference("System.Object");
			
			method = new MethodDeclaration("Equals", Modifiers.Public | Modifiers.Override, boolReference, null, null);
			method.Parameters.Add(new ParameterDeclarationExpression(objectReference, "obj"));
			method.Body = new BlockStatement();
			
			TypeReference currentType = ConvertType(currentClass.DefaultReturnType);
			expr = new TypeOfIsExpression(new IdentifierExpression("obj"), currentType);
			expr = new ParenthesizedExpression(expr);
			expr = new UnaryOperatorExpression(expr, UnaryOperatorType.Not);
			method.Body.AddChild(new IfElseStatement(expr, new ReturnStatement(new PrimitiveExpression(false, "false"))));
			
			expr = new BinaryOperatorExpression(new ThisReferenceExpression(),
			                                    BinaryOperatorType.Equality,
			                                    new IdentifierExpression("obj"));
			method.Body.AddChild(new IfElseStatement(expr, new ReturnStatement(new PrimitiveExpression(true, "true"))));
			
			VariableDeclaration var = new VariableDeclaration("my" + currentClass.Name,
			                                                  new CastExpression(currentType, new IdentifierExpression("obj"), CastType.Cast),
			                                                  currentType);
			method.Body.AddChild(new LocalVariableDeclaration(var));
			
			expr = TestEquality(var.Name, currentClass.Fields[0]);
			for (int i = 1; i < currentClass.Fields.Count; i++) {
				expr = new BinaryOperatorExpression(expr, BinaryOperatorType.LogicalAnd,
				                                    TestEquality(var.Name, currentClass.Fields[i]));
			}
			
			method.Body.AddChild(new ReturnStatement(expr));
			
			nodes.Add(method);
		}

 public override object TrackedVisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
 {
     BlockStatement blockStatement = (BlockStatement) AstUtil.GetParentOfType(variableDeclaration, typeof(BlockStatement));
     if (blockStatement != null)
     {
         int hashCode = blockStatement.GetHashCode();
         if (!(blockStatement.Parent is MethodDeclaration) && !localVariables.Contains(variableDeclaration.Name))
             localVariables.Add(variableDeclaration.Name, variableDeclaration);
         else if (HasConflict(variableDeclaration))
         {
             string newName = renamer.GetNewName(variableDeclaration.Name);
             renamedVariables.Add(variableDeclaration.Name + "_" + hashCode, newName);
             variableDeclaration.Name = newName;
         }
     }
     return base.TrackedVisitVariableDeclaration(variableDeclaration, data);
 }

            public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
            {
                string[] foulwords= new string[]
                {
                    "meh","blah", "pft", "rrrr","blib","blab", "blub","lol","uhu","aaah"
                };//if anyone wants to go nuts: feel free to add more :)

                foreach (var foulword in foulwords)
                {
                    if (System.Text.RegularExpressions.Regex.Matches(variableDeclaration.Name, foulword).Count > 0)
                        cursecount++;
                }

                if (cursecount>5)
                    UnlockWith(variableDeclaration);

                return base.VisitVariableDeclaration(variableDeclaration, data);
            }

            public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
            {
                string[] foulwords= new string[]
                {
                    "fuck", "shit", "crap", "bollocks"
                };//if anyone wants to go nuts: feel free to add more :)

                foreach (var foulword in foulwords)
                {
                    if (System.Text.RegularExpressions.Regex.Matches(variableDeclaration.Name, foulword).Count > 0)
                        cursecount++;
                }

                if (cursecount>5)
                    UnlockWith(variableDeclaration);

                return base.VisitVariableDeclaration(variableDeclaration, data);
            }

		protected static Statement CreateCaller(AttributedNode parent, MethodDeclaration method, VariableDeclaration returnVariable)
		{
			Statement caller;
			InvocationExpression expr = new InvocationExpression(new IdentifierExpression(method.Name), CreateArgumentExpressions(method.Parameters));

			if (method.TypeReference.Type != "System.Void") {
				TypeReference parentType = GetParentReturnType(parent);
				if (method.TypeReference == parentType)
					caller = new ReturnStatement(expr);
				else {
					returnVariable.Initializer = expr;
					caller = new LocalVariableDeclaration(returnVariable);
				}
			} else {
				caller = new ExpressionStatement(expr);
			}
			return caller;
		}

        public override object TrackedVisitArrayCreateExpression(ArrayCreateExpression arrayCreateExpression, object data)
        {
            string variableName = GetVariableName(arrayCreateExpression);
            List<Expression> initializerList = arrayCreateExpression.ArrayInitializer.CreateExpressions;
            Expression replacedExpression = arrayCreateExpression;
            if (initializerList.Count > 0 && initializerList[0] is CollectionInitializerExpression && data is InsertionBlockData)
            {
                ArrayCreateExpression replacedArrayCreateExpression = arrayCreateExpression;
                replacedArrayCreateExpression.ArrayInitializer = null;
                replacedArrayCreateExpression.Arguments.Add(new PrimitiveExpression(initializerList.Count, initializerList.Count.ToString()));

                string arrayTypeName = arrayCreateExpression.CreateType.Type + "s";
                Position position = Position.After;
                if (variableName == null)
                {
                    variableName = arrayTypeName;
                    position = Position.Before;
                }

                List<Statement> initStatements = GetArrayInitStatements(replacedArrayCreateExpression, variableName, initializerList);
                InsertionBlockData insertionBlockData = (InsertionBlockData) data;
                insertionBlockData.Block = (BlockStatement) AstUtil.GetParentOfType(replacedArrayCreateExpression, typeof(BlockStatement));
                insertionBlockData.BlockChildIndex = GetBlockChildIndex(replacedArrayCreateExpression, position);
                insertionBlockData.Statements = initStatements;

                if (variableName == arrayTypeName)
                {
                    IdentifierExpression identifierExpression = new IdentifierExpression(variableName);
                    replacedExpression = identifierExpression;

                    VariableDeclaration variableDeclaration = new VariableDeclaration(variableName, arrayCreateExpression);
                    LocalVariableDeclaration localVariable = new LocalVariableDeclaration(variableDeclaration);
                    localVariable.TypeReference = arrayCreateExpression.CreateType;

                    initStatements.Insert(0, localVariable);
                }

                ReplaceCurrentNode(replacedExpression);
            }

            return base.TrackedVisitArrayCreateExpression(arrayCreateExpression, data);
        }

		void ConvertField(TypeReference typeRef, VariableDeclaration variable, FieldDeclaration fieldDeclaration)
		{
			B.TypeMember m;
			if (currentType is B.EnumDefinition) {
				if (variable.Initializer.IsNull) {
					m = new B.EnumMember(GetLexicalInfo(fieldDeclaration));
				} else {
					PrimitiveExpression p = variable.Initializer as PrimitiveExpression;
					if (p == null || !(p.Value is int)) {
						AddError(fieldDeclaration, "enum member initializer must be integer value");
						return;
					}
					m = new B.EnumMember(GetLexicalInfo(fieldDeclaration), new B.IntegerLiteralExpression((int)p.Value));
				}
			} else {
				m = new B.Field(GetLexicalInfo(fieldDeclaration), ConvertTypeReference(typeRef), ConvertExpression(variable.Initializer));
				m.Modifiers = ConvertModifier(fieldDeclaration, B.TypeMemberModifiers.Private);
			}
			m.Name = variable.Name;
			ConvertAttributes(fieldDeclaration.Attributes, m.Attributes);
			if (currentType != null) currentType.Members.Add(m);
		}

	void ConstantDeclarator(
#line  1381 "VBNET.ATG" 
List<VariableDeclaration> constantDeclaration) {

#line  1383 "VBNET.ATG" 
		Expression expr = null;
		TypeReference type = null;
		string name = String.Empty;
		Location location;
		
		Identifier();

#line  1388 "VBNET.ATG" 
		name = t.val; location = t.Location; 
		if (la.kind == 50) {
			lexer.NextToken();
			TypeName(
#line  1389 "VBNET.ATG" 
out type);
		}
		Expect(10);
		Expr(
#line  1390 "VBNET.ATG" 
out expr);

#line  1392 "VBNET.ATG" 
		VariableDeclaration f = new VariableDeclaration(name, expr);
		f.TypeReference = type;
		f.StartLocation = location;
		constantDeclaration.Add(f);
		
	}

	void EnumMemberDecl(
#line  743 "VBNET.ATG" 
out FieldDeclaration f) {

#line  745 "VBNET.ATG" 
		Expression expr = null;List<AttributeSection> attributes = new List<AttributeSection>();
		AttributeSection section = null;
		VariableDeclaration varDecl = null;
		
		while (la.kind == 28) {
			AttributeSection(
#line  749 "VBNET.ATG" 
out section);

#line  749 "VBNET.ATG" 
			attributes.Add(section); 
		}
		Identifier();

#line  752 "VBNET.ATG" 
		f = new FieldDeclaration(attributes);
		varDecl = new VariableDeclaration(t.val);
		f.Fields.Add(varDecl);
		f.StartLocation = varDecl.StartLocation = t.Location;
		
		if (la.kind == 10) {
			lexer.NextToken();
			Expr(
#line  757 "VBNET.ATG" 
out expr);

#line  757 "VBNET.ATG" 
			varDecl.Initializer = expr; 
		}
		EndOfStmt();
	}

            public override object TrackedVisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
            {
                // Resolving anything here only makes sense
                // if this declaration actually has an initializer.
                if (variableDeclaration.Initializer.IsNull) {
                    return base.TrackedVisitVariableDeclaration(variableDeclaration, data);
                }

                LocalVariableDeclaration localVariableDeclaration = data as LocalVariableDeclaration;
                if (this.isLocalVariable && localVariableDeclaration != null) {
                    if (variableDeclaration.Name == this.resourceManagerMember.Name) {
                        // Make sure we got the right declaration by comparing the positions.
                        // Both must have the same start position.
                        if (localVariableDeclaration.StartLocation.X == this.resourceManagerMember.Region.BeginColumn && localVariableDeclaration.StartLocation.Y == this.resourceManagerMember.Region.BeginLine) {
                            #if DEBUG
                            LoggingService.Debug("ResourceToolkit: BclNRefactoryResourceResolver found local variable declaration: "+localVariableDeclaration.ToString()+" at "+localVariableDeclaration.StartLocation.ToString());
                            #endif
                            data = true;
                        }

                    }
                }

                FieldDeclaration fieldDeclaration = data as FieldDeclaration;
                if (!this.isLocalVariable && fieldDeclaration != null) {
                    // Make sure we got the right declaration by comparing the positions.
                    // Both must have the same start position.
                    if (variableDeclaration.Name == this.resourceManagerMember.Name &&
                        fieldDeclaration.StartLocation.X == this.resourceManagerMember.Region.BeginColumn && fieldDeclaration.StartLocation.Y == this.resourceManagerMember.Region.BeginLine) {

                        #if DEBUG
                        LoggingService.Debug("ResourceToolkit: BclNRefactoryResourceResolver found field declaration: "+fieldDeclaration.ToString()+" at "+fieldDeclaration.StartLocation.ToString());
                        #endif
                        data = true;

                    } else {

                        // This field might be referred to by a property
                        // that we are looking for.
                        // This association is cached in the
                        // resourceManagerFieldAccessedByProperty field
                        // to improve performance.
                        this.TryResolveResourceManagerProperty();

                        if (this.resourceManagerFieldAccessedByProperty != null &&
                            fieldDeclaration.StartLocation.X == this.resourceManagerFieldAccessedByProperty.Region.BeginColumn &&
                            fieldDeclaration.StartLocation.Y == this.resourceManagerFieldAccessedByProperty.Region.BeginLine) {

                            #if DEBUG
                            LoggingService.Debug("ResourceToolkit: BclNRefactoryResourceResolver found field declaration (via associated property): "+fieldDeclaration.ToString()+" at "+fieldDeclaration.StartLocation.ToString());
                            #endif
                            data = true;

                        }

                    }
                }

                return base.TrackedVisitVariableDeclaration(variableDeclaration, data);
            }

 public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
 {
     if (this.CheckNode(variableDeclaration)) {
         return null;
     }
     return base.VisitVariableDeclaration(variableDeclaration, data);
 }

	void LocalVariableDeclarator(
#line  1515 "cs.ATG" 
out VariableDeclaration var) {

#line  1516 "cs.ATG" 
		Expression expr = null; 
		Identifier();

#line  1518 "cs.ATG" 
		var = new VariableDeclaration(t.val); var.StartLocation = t.Location; 
		if (la.kind == 3) {
			lexer.NextToken();
			VariableInitializer(
#line  1519 "cs.ATG" 
out expr);

#line  1519 "cs.ATG" 
			var.Initializer = expr; 
		}

#line  1520 "cs.ATG" 
		var.EndLocation = t.EndLocation; 
	}

	void VariableDeclarator(
#line  1310 "cs.ATG" 
FieldDeclaration parentFieldDeclaration) {

#line  1311 "cs.ATG" 
		Expression expr = null; 
		Identifier();

#line  1313 "cs.ATG" 
		VariableDeclaration f = new VariableDeclaration(t.val); f.StartLocation = t.Location; 
		if (la.kind == 3) {
			lexer.NextToken();
			VariableInitializer(
#line  1314 "cs.ATG" 
out expr);

#line  1314 "cs.ATG" 
			f.Initializer = expr; 
		}

#line  1315 "cs.ATG" 
		f.EndLocation = t.EndLocation; SafeAdd(parentFieldDeclaration, parentFieldDeclaration.Fields, f); 
	}

	void ConstantDeclarator(
//#line  1438 "VBNET.ATG" 
List<VariableDeclaration> constantDeclaration) {

//#line  1440 "VBNET.ATG" 
		Expression expr = null;
		TypeReference type = null;
		string name = String.Empty;
		Location location;
		
		Identifier();

//#line  1445 "VBNET.ATG" 
		name = t.val; location = t.Location; 
		if (la.kind == 63) {
			lexer.NextToken();
			TypeName(
//#line  1446 "VBNET.ATG" 
out type);
		}
		Expect(20);
		Expr(
//#line  1447 "VBNET.ATG" 
out expr);

//#line  1449 "VBNET.ATG" 
		VariableDeclaration f = new VariableDeclaration(name, expr);
		f.TypeReference = type;
		f.StartLocation = location;
		constantDeclaration.Add(f);
		
	}

	void EnumMemberDecl(
//#line  774 "VBNET.ATG" 
out FieldDeclaration f) {

//#line  776 "VBNET.ATG" 
		Expression expr = null;List<AttributeSection> attributes = new List<AttributeSection>();
		AttributeSection section = null;
		VariableDeclaration varDecl = null;
		
		while (la.kind == 40) {
			AttributeSection(
//#line  780 "VBNET.ATG" 
out section);

//#line  780 "VBNET.ATG" 
			attributes.Add(section); 
		}
		Identifier();

//#line  783 "VBNET.ATG" 
		f = new FieldDeclaration(attributes);
		varDecl = new VariableDeclaration(t.val);
		f.Fields.Add(varDecl);
		f.StartLocation = varDecl.StartLocation = t.Location;
		
		if (la.kind == 20) {
			lexer.NextToken();
			Expr(
//#line  788 "VBNET.ATG" 
out expr);

//#line  788 "VBNET.ATG" 
			varDecl.Initializer = expr; 
		}

//#line  789 "VBNET.ATG" 
		f.EndLocation = varDecl.EndLocation = t.EndLocation; 
		EndOfStmt();
	}