implemented DoLoopStatement and UsingStatement

ICSharpCode.NRefactory.VB/Ast/Enums.cs

@@ -102,25 +102,12 @@ namespace ICSharpCode.NRefactory.VB.Ast
 	public enum ConditionType
 	{
 		None,
-		Until,
-		While,
+		LoopUntil,
+		LoopWhile,
+		DoUntil,
 		DoWhile
 	}
 	
-	public enum ConditionPosition
-	{
-		None,
-		Start,
-		End
-	}
-	
-	public enum ConstructorInitializerType
-	{
-		None,
-		Base,
-		This
-	}
-	
 	public enum ConversionType
 	{
 		None,

ICSharpCode.NRefactory.VB/Ast/Statements/DoLoopStatement.cs

@@ -8,6 +8,18 @@ namespace ICSharpCode.NRefactory.VB.Ast
 {
 	public class DoLoopStatement : Statement
 	{
+		public ConditionType ConditionType { get; set; }
+		
+		public Expression Expression {
+			get { return GetChildByRole(Roles.Expression); }
+			set { SetChildByRole(Roles.Expression, value); }
+		}
+		
+		public BlockStatement Body {
+			get { return GetChildByRole(Roles.Body); }
+			set { SetChildByRole(Roles.Body, value); }
+		}
+		
 		protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match)
 		{
 			throw new NotImplementedException();
@@ -15,7 +27,7 @@ namespace ICSharpCode.NRefactory.VB.Ast
 		
 		public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
 		{
-			throw new NotImplementedException();
+			return visitor.VisitDoLoopStatement(this, data);
 		}
 	}
 }

ICSharpCode.NRefactory.VB/Ast/Statements/UsingStatement.cs

@@ -0,0 +1,33 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under MIT X11 license (for details please see \doc\license.txt)
+
+using System;
+using System.IO;
+
+namespace ICSharpCode.NRefactory.VB.Ast
+{
+	public class UsingStatement : Statement
+	{
+		public static readonly Role<AstNode> ResourceRole = new Role<AstNode>("Resource", AstNode.Null);
+		
+		/// <remarks>either multiple VariableInitializers or one Expression</remarks>
+		public AstNodeCollection<AstNode> Resources {
+			get { return GetChildrenByRole(ResourceRole); }
+		}
+		
+		public BlockStatement Body {
+			get { return GetChildByRole(Roles.Body); }
+			set { SetChildByRole(Roles.Body, value); }
+		}
+		
+		protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match)
+		{
+			throw new NotImplementedException();
+		}
+		
+		public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
+		{
+			return visitor.VisitUsingStatement(this, data);
+		}
+	}
+}

ICSharpCode.NRefactory.VB/IAstVisitor.cs

@@ -88,6 +88,13 @@ namespace ICSharpCode.NRefactory.VB {
 		S VisitExitStatement(ExitStatement exitStatement, T data);
 		S VisitSelectStatement(SelectStatement selectStatement, T data);
 		S VisitYieldStatement(YieldStatement yieldStatement, T data);
+		S VisitVariableInitializer(VariableInitializer variableInitializer, T data);
+		S VisitRangeCaseClause(RangeCaseClause rangeCaseClause, T data);
+		S VisitComparisonCaseClause(ComparisonCaseClause comparisonCaseClause, T data);
+		S VisitSimpleCaseClause(SimpleCaseClause simpleCaseClause, T data);
+		S VisitCaseStatement(CaseStatement caseStatement, T data);
+		S VisitDoLoopStatement(DoLoopStatement doLoopStatement, T data);
+		S VisitUsingStatement(UsingStatement usingStatement, T data);
 		
 		// TypeName
 		S VisitPrimitiveType(PrimitiveType primitiveType, T data);
@@ -95,11 +102,5 @@ namespace ICSharpCode.NRefactory.VB {
 		S VisitComposedType(ComposedType composedType, T data);
 		S VisitArraySpecifier(ArraySpecifier arraySpecifier, T data);
 		S VisitSimpleType(SimpleType simpleType, T data);
-		
-		S VisitVariableInitializer(VariableInitializer variableInitializer, T data);
-		S VisitRangeCaseClause(RangeCaseClause rangeCaseClause, T data);
-		S VisitComparisonCaseClause(ComparisonCaseClause comparisonCaseClause, T data);
-		S VisitSimpleCaseClause(SimpleCaseClause simpleCaseClause, T data);
-		S VisitCaseStatement(CaseStatement caseStatement, T data);
 	}
 }

ICSharpCode.NRefactory.VB/ICSharpCode.NRefactory.VB.csproj

@@ -100,6 +100,7 @@
     <Compile Include="Ast\Statements\SyncLockStatement.cs" />
     <Compile Include="Ast\Statements\ThrowStatement.cs" />
     <Compile Include="Ast\Statements\TryStatement.cs" />
+    <Compile Include="Ast\Statements\UsingStatement.cs" />
     <Compile Include="Ast\Statements\WhileStatement.cs" />
     <Compile Include="Ast\Statements\WithStatement.cs" />
     <Compile Include="Ast\Statements\YieldStatement.cs" />

ICSharpCode.NRefactory.VB/OutputVisitor/OutputVisitor.cs

@@ -2201,5 +2201,51 @@ namespace ICSharpCode.NRefactory.VB
 			
 			return EndNode(variableDeclaratorWithObjectCreation);
 		}
+		
+		public object VisitDoLoopStatement(DoLoopStatement doLoopStatement, object data)
+		{
+			StartNode(doLoopStatement);
+			
+			WriteKeyword("Do");
+			if (doLoopStatement.ConditionType == ConditionType.DoUntil) {
+				WriteKeyword("Until");
+				doLoopStatement.Expression.AcceptVisitor(this, data);
+			}
+			if (doLoopStatement.ConditionType == ConditionType.DoWhile) {
+				WriteKeyword("While");
+				doLoopStatement.Expression.AcceptVisitor(this, data);
+			}
+			NewLine();
+			Indent();
+			doLoopStatement.Body.AcceptVisitor(this, data);
+			Unindent();
+			WriteKeyword("Loop");
+			if (doLoopStatement.ConditionType == ConditionType.LoopUntil) {
+				WriteKeyword("Until");
+				doLoopStatement.Expression.AcceptVisitor(this, data);
+			}
+			if (doLoopStatement.ConditionType == ConditionType.LoopWhile) {
+				WriteKeyword("While");
+				doLoopStatement.Expression.AcceptVisitor(this, data);
+			}
+			
+			return EndNode(doLoopStatement);
+		}
+		
+		public object VisitUsingStatement(UsingStatement usingStatement, object data)
+		{
+			StartNode(usingStatement);
+			
+			WriteKeyword("Using");
+			WriteCommaSeparatedList(usingStatement.Resources);
+			NewLine();
+			Indent();
+			usingStatement.Body.AcceptVisitor(this, data);
+			Unindent();
+			WriteKeyword("End");
+			WriteKeyword("Using");
+			
+			return EndNode(usingStatement);
+		}
 	}
 }

ICSharpCode.NRefactory.VB/Visitors/CSharpToVBConverterVisitor.cs

@@ -791,12 +791,18 @@ namespace ICSharpCode.NRefactory.VB.Visitors
 		
 		public AstNode VisitDoWhileStatement(CSharp.DoWhileStatement doWhileStatement, object data)
 		{
-			throw new NotImplementedException();
+			var stmt = new DoLoopStatement();
+			
+			stmt.ConditionType = ConditionType.LoopWhile;
+			stmt.Expression = (Expression)doWhileStatement.Condition.AcceptVisitor(this, data);
+			stmt.Body = (BlockStatement)doWhileStatement.EmbeddedStatement.AcceptVisitor(this, data);
+			
+			return EndNode(doWhileStatement, stmt);
 		}
 		
 		public AstNode VisitEmptyStatement(CSharp.EmptyStatement emptyStatement, object data)
 		{
-			throw new NotImplementedException();
+			return EndNode<Statement>(emptyStatement, null);
 		}
 		
 		public AstNode VisitExpressionStatement(CSharp.ExpressionStatement expressionStatement, object data)
@@ -816,7 +822,10 @@ namespace ICSharpCode.NRefactory.VB.Visitors
 			var stmt = new ForEachStatement() {
 				Body = (BlockStatement)foreachStatement.EmbeddedStatement.AcceptVisitor(this, data),
 				InExpression = (Expression)foreachStatement.InExpression.AcceptVisitor(this, data),
-				Variable = new VariableInitializer() { Identifier = new VariableIdentifier() { Name = foreachStatement.VariableName }, Type = (AstType)foreachStatement.VariableType.AcceptVisitor(this, data) }
+				Variable = new VariableInitializer() {
+					Identifier = new VariableIdentifier() { Name = foreachStatement.VariableName },
+					Type = (AstType)foreachStatement.VariableType.AcceptVisitor(this, data)
+				}
 			};
 			
 			return EndNode(foreachStatement, stmt);
@@ -954,7 +963,12 @@ namespace ICSharpCode.NRefactory.VB.Visitors
 		
 		public AstNode VisitUsingStatement(CSharp.UsingStatement usingStatement, object data)
 		{
-			throw new NotImplementedException();
+			var stmt = new UsingStatement();
+			
+			stmt.Resources.Add(usingStatement.ResourceAcquisition.AcceptVisitor(this, data));
+			stmt.Body = (BlockStatement)usingStatement.EmbeddedStatement.AcceptVisitor(this, data);
+			
+			return EndNode(usingStatement, stmt);
 		}
 		
 		public AstNode VisitVariableDeclarationStatement(CSharp.VariableDeclarationStatement variableDeclarationStatement, object data)