vbnetoutputvisitor.cs

根据cs源码解析为codedom

			outputFormatter.Space();
			
			bool isFunction = (delegateDeclaration.ReturnType.Type != "void");
			if (isFunction) {
				outputFormatter.PrintToken(Tokens.Function);
				outputFormatter.Space();
			} else {
				outputFormatter.PrintToken(Tokens.Sub);
				outputFormatter.Space();
			}
			outputFormatter.PrintIdentifier(delegateDeclaration.Name);
			
			PrintTemplates(delegateDeclaration.Templates);
			
			outputFormatter.PrintToken(Tokens.OpenParenthesis);
			AppendCommaSeparatedList(delegateDeclaration.Parameters);
			outputFormatter.PrintToken(Tokens.CloseParenthesis);
			
			if (isFunction) {
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.As);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(delegateDeclaration.ReturnType, data);
			}
			outputFormatter.NewLine();
			return null;
		}
		
		public object VisitOptionDeclaration(OptionDeclaration optionDeclaration, object data)
		{
			outputFormatter.PrintToken(Tokens.Option);
			outputFormatter.Space();
			switch (optionDeclaration.OptionType) {
				case OptionType.Strict:
					outputFormatter.PrintToken(Tokens.Strict);
					if (!optionDeclaration.OptionValue) {
						outputFormatter.Space();
						outputFormatter.PrintToken(Tokens.Off);
					}
					break;
				case OptionType.Explicit:
					outputFormatter.PrintToken(Tokens.Explicit);
					outputFormatter.Space();
					if (!optionDeclaration.OptionValue) {
						outputFormatter.Space();
						outputFormatter.PrintToken(Tokens.Off);
					}
					break;
				case OptionType.CompareBinary:
					outputFormatter.PrintToken(Tokens.Compare);
					outputFormatter.Space();
					outputFormatter.PrintToken(Tokens.Binary);
					break;
				case OptionType.CompareText:
					outputFormatter.PrintToken(Tokens.Compare);
					outputFormatter.Space();
					outputFormatter.PrintToken(Tokens.Text);
					break;
			}
			outputFormatter.NewLine();
			return null;
		}
		#endregion
		
		#region Type level
		TypeReference currentVariableType;
		public object VisitFieldDeclaration(FieldDeclaration fieldDeclaration, object data)
		{
			
			VisitAttributes(fieldDeclaration.Attributes, data);
			outputFormatter.Indent();
			if (fieldDeclaration.Modifier == Modifiers.None) {
				outputFormatter.PrintToken(Tokens.Private);
				outputFormatter.Space();
			} else if (fieldDeclaration.Modifier == Modifiers.Dim) {
				outputFormatter.PrintToken(Tokens.Dim);
				outputFormatter.Space();
			} else {
				OutputModifier(fieldDeclaration.Modifier);
			}
			currentVariableType = fieldDeclaration.TypeReference;
			AppendCommaSeparatedList(fieldDeclaration.Fields);
			currentVariableType = null;
			
			outputFormatter.NewLine();

			return null;
		}
		
		public object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
		{
			outputFormatter.PrintIdentifier(variableDeclaration.Name);
			
			TypeReference varType = currentVariableType;
			if (varType != null && varType.IsNull)
				varType = null;
			if (varType == null && !variableDeclaration.TypeReference.IsNull)
				varType = variableDeclaration.TypeReference;
			
			if (varType != null) {
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.As);
				outputFormatter.Space();
				ObjectCreateExpression init = variableDeclaration.Initializer as ObjectCreateExpression;
				if (init != null && TypeReference.AreEqualReferences(init.CreateType, varType)) {
					nodeTracker.TrackedVisit(variableDeclaration.Initializer, data);
					return null;
				} else {
					nodeTracker.TrackedVisit(varType, data);
				}
			}
			
			if (!variableDeclaration.Initializer.IsNull) {
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.Assign);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(variableDeclaration.Initializer, data);
			}
			return null;
		}
		
		public object VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration, object data)
		{
			VisitAttributes(propertyDeclaration.Attributes, data);
			outputFormatter.Indent();
			OutputModifier(propertyDeclaration.Modifier);
			
			if ((propertyDeclaration.Modifier & (Modifiers.ReadOnly | Modifiers.WriteOnly)) == Modifiers.None) {
				if (propertyDeclaration.IsReadOnly) {
					outputFormatter.PrintToken(Tokens.ReadOnly);
					outputFormatter.Space();
				} else if (propertyDeclaration.IsWriteOnly) {
					outputFormatter.PrintToken(Tokens.WriteOnly);
					outputFormatter.Space();
				}
			}
			
			outputFormatter.PrintToken(Tokens.Property);
			outputFormatter.Space();
			outputFormatter.PrintIdentifier(propertyDeclaration.Name);
			
			outputFormatter.PrintToken(Tokens.OpenParenthesis);
			AppendCommaSeparatedList(propertyDeclaration.Parameters);
			outputFormatter.PrintToken(Tokens.CloseParenthesis);
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.As);
			outputFormatter.Space();
			nodeTracker.TrackedVisit(propertyDeclaration.TypeReference, data);
			
			PrintInterfaceImplementations(propertyDeclaration.InterfaceImplementations);
			
			outputFormatter.NewLine();
			
			if (!IsAbstract(propertyDeclaration)) {
				++outputFormatter.IndentationLevel;
				exitTokenStack.Push(Tokens.Property);
				nodeTracker.TrackedVisit(propertyDeclaration.GetRegion, data);
				nodeTracker.TrackedVisit(propertyDeclaration.SetRegion, data);
				exitTokenStack.Pop();
				--outputFormatter.IndentationLevel;
				
				outputFormatter.Indent();
				outputFormatter.PrintToken(Tokens.End);
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.Property);
				outputFormatter.NewLine();
			}
			
			return null;
		}
		
		public object VisitPropertyGetRegion(PropertyGetRegion propertyGetRegion, object data)
		{
			VisitAttributes(propertyGetRegion.Attributes, data);
			outputFormatter.Indent();
			OutputModifier(propertyGetRegion.Modifier);
			outputFormatter.PrintToken(Tokens.Get);
			outputFormatter.NewLine();
			
			++outputFormatter.IndentationLevel;
			nodeTracker.TrackedVisit(propertyGetRegion.Block, data);
			--outputFormatter.IndentationLevel;
			outputFormatter.Indent();
			outputFormatter.PrintToken(Tokens.End);
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.Get);
			outputFormatter.NewLine();
			return null;
		}
		
		public object VisitPropertySetRegion(PropertySetRegion propertySetRegion, object data)
		{
			VisitAttributes(propertySetRegion.Attributes, data);
			outputFormatter.Indent();
			OutputModifier(propertySetRegion.Modifier);
			outputFormatter.PrintToken(Tokens.Set);
			outputFormatter.NewLine();
			
			++outputFormatter.IndentationLevel;
			nodeTracker.TrackedVisit(propertySetRegion.Block, data);
			--outputFormatter.IndentationLevel;
			outputFormatter.Indent();
			outputFormatter.PrintToken(Tokens.End);
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.Set);
			outputFormatter.NewLine();
			return null;
		}
		
		TypeReference currentEventType = null;
		public object VisitEventDeclaration(EventDeclaration eventDeclaration, object data)
		{
			bool customEvent = eventDeclaration.HasAddRegion  || eventDeclaration.HasRemoveRegion;
			
			VisitAttributes(eventDeclaration.Attributes, data);
			outputFormatter.Indent();
			OutputModifier(eventDeclaration.Modifier);
			if (customEvent) {
				outputFormatter.PrintText("Custom");
				outputFormatter.Space();
			}
			
			outputFormatter.PrintToken(Tokens.Event);
			outputFormatter.Space();
			outputFormatter.PrintIdentifier(eventDeclaration.Name);
			
			if (eventDeclaration.Parameters.Count > 0) {
				outputFormatter.PrintToken(Tokens.OpenParenthesis);
				this.AppendCommaSeparatedList(eventDeclaration.Parameters);
				outputFormatter.PrintToken(Tokens.CloseParenthesis);
			}
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.As);
			outputFormatter.Space();
			nodeTracker.TrackedVisit(eventDeclaration.TypeReference, data);
			
			PrintInterfaceImplementations(eventDeclaration.InterfaceImplementations);
			
			if (!eventDeclaration.Initializer.IsNull) {
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.Assign);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(eventDeclaration.Initializer, data);
			}
			
			outputFormatter.NewLine();
			
			if (customEvent) {
				++outputFormatter.IndentationLevel;
				currentEventType = eventDeclaration.TypeReference;
				exitTokenStack.Push(Tokens.Sub);
				nodeTracker.TrackedVisit(eventDeclaration.AddRegion, data);
				nodeTracker.TrackedVisit(eventDeclaration.RemoveRegion, data);
				exitTokenStack.Pop();
				--outputFormatter.IndentationLevel;
				
				outputFormatter.Indent();
				outputFormatter.PrintToken(Tokens.End);
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.Event);
				outputFormatter.NewLine();
			}
			return null;
		}
		
		void PrintInterfaceImplementations(IList<InterfaceImplementation> list)
		{
			if (list == null || list.Count == 0)
				return;
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.Implements);
			for (int i = 0; i < list.Count; i++) {
				if (i > 0)
					outputFormatter.PrintToken(Tokens.Comma);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(list[i].InterfaceType, null);
				outputFormatter.PrintToken(Tokens.Dot);
				outputFormatter.PrintIdentifier(list[i].MemberName);
			}
		}
		
		public object VisitEventAddRegion(EventAddRegion eventAddRegion, object data)
		{
			VisitAttributes(eventAddRegion.Attributes, data);
			outputFormatter.Indent();
			outputFormatter.PrintText("AddHandler(");
			if (eventAddRegion.Parameters.Count == 0) {
				outputFormatter.PrintToken(Tokens.ByVal);
				outputFormatter.Space();
				outputFormatter.PrintIdentifier("value");
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.As);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(currentEventType, data);
			} else {
				this.AppendCommaSeparatedList(eventAddRegion.Parameters);
			}
			outputFormatter.PrintToken(Tokens.CloseParenthesis);
			outputFormatter.NewLine();
			
			++outputFormatter.IndentationLevel;
			nodeTracker.TrackedVisit(eventAddRegion.Block, data);
			--outputFormatter.IndentationLevel;
			
			outputFormatter.Indent();
			outputFormatter.PrintToken(Tokens.End);
			outputFormatter.Space();
			outputFormatter.PrintText("AddHandler");
			outputFormatter.NewLine();
			return null;
		}
		
		public object VisitEventRemoveRegion(EventRemoveRegion eventRemoveRegion, object data)
		{
			VisitAttributes(eventRemoveRegion.Attributes, data);
			outputFormatter.Indent();
			outputFormatter.PrintText("RemoveHandler");
			outputFormatter.PrintToken(Tokens.OpenParenthesis);
			if (eventRemoveRegion.Parameters.Count == 0) {
				outputFormatter.PrintToken(Tokens.ByVal);
				outputFormatter.Space();
				outputFormatter.PrintIdentifier("value");
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.As);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(currentEventType, data);
			} else {
				this.AppendCommaSeparatedList(eventRemoveRegion.Parameters);
			}
			outputFormatter.PrintToken(Tokens.CloseParenthesis);
			outputFormatter.NewLine();
			
			++outputFormatter.IndentationLevel;
			nodeTracker.TrackedVisit(eventRemoveRegion.Block, data);
			--outputFormatter.IndentationLevel;
			
			outputFormatter.Indent();
			outputFormatter.PrintToken(Tokens.End);
			outputFormatter.Space();
			outputFormatter.PrintText("RemoveHandler");
			outputFormatter.NewLine();
			return null;
		}
		
		public object VisitEventRaiseRegion(EventRaiseRegion eventRaiseRegion, object data)
		{
			VisitAttributes(eventRaiseRegion.Attributes, data);
			outputFormatter.Indent();
			outputFormatter.PrintText("RaiseEvent");
			outputFormatter.PrintToken(Tokens.OpenParenthesis);
			if (eventRaiseRegion.Parameters.Count == 0) {
				outputFormatter.PrintToken(Tokens.ByVal);
				outputFormatter.Space();
				outputFormatter.PrintIdentifier("value");
				outputFormatter.Space();
				outputFormatter.PrintToken(Tokens.As);
				outputFormatter.Space();
				nodeTracker.TrackedVisit(currentEventType, data);
			} else {
				this.AppendCommaSeparatedList(eventRaiseRegion.Parameters);
			}
			outputFormatter.PrintToken(Tokens.CloseParenthesis);
			outputFormatter.NewLine();
			
			++outputFormatter.IndentationLevel;
			nodeTracker.TrackedVisit(eventRaiseRegion.Block, data);
			--outputFormatter.IndentationLevel;
			
			outputFormatter.Indent();
			outputFormatter.PrintToken(Tokens.End);
			outputFormatter.Space();
			outputFormatter.PrintText("RaiseEvent");
			outputFormatter.NewLine();
			return null;
		}
		
		public object VisitParameterDeclarationExpression(ParameterDeclarationExpression parameterDeclarationExpression, object data)
		{
			VisitAttributes(parameterDeclarationExpression.Attributes, data);
			OutputModifier(parameterDeclarationExpression.ParamModifier, parameterDeclarationExpression.StartLocation);
			outputFormatter.PrintIdentifier(parameterDeclarationExpression.ParameterName);
			outputFormatter.Space();
			outputFormatter.PrintToken(Tokens.As);
			outputFormatter.Space();
			nodeTracker.TrackedVisit(parameterDeclarationExpression.TypeReference, data);
			return null;
		}
		
		public object VisitMethodDeclaration(MethodDeclaration methodDeclaration, object data)
		{
			VisitAttributes(methodDeclaration.Attributes, data);
			outputFormatter.Indent();
			OutputModifier(methodDeclaration.Modifier);
			
			bool isSub = methodDeclaration.TypeReference.IsNull ||
				methodDeclaration.TypeReference.SystemType == "System.Void";
			
			if (isSub) {
				outputFormatter.PrintToken(Tokens.Sub);
			} else {
				outputFormatter.PrintToken(Tokens.Function);
			}
			outputFormatter.Space();
			outputFormatter.PrintIdentifier(methodDeclaration.Name);