Fixed code completion in WithStatements.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@798 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/VBNetBinding/Project/Src/FormattingStrategy/VBNetFormattingStrategy.cs

@@ -52,7 +52,7 @@ namespace VBNetBinding.FormattingStrategy
 			statements.Add(new VBStatement("\\bfor .*?$", "^next( \\w+)?$", "Next", 1));
 			statements.Add(new VBStatement("^synclock .*?$", "^end synclock$", "End SyncLock", 1));
 			statements.Add(new VBStatement("^get$", "^end get$", "End Get", 1));
-			statements.Add(new VBStatement("^with \\w+$", "^end with$", "End With", 1));
+			statements.Add(new VBStatement("^with .*?$", "^end with$", "End With", 1));
 			statements.Add(new VBStatement("^set(\\s*\\(.*?\\))?$", "^end set$", "End Set", 1));
 			statements.Add(new VBStatement("^try$", "^end try$", "End Try", 1));
 			statements.Add(new VBStatement("^do .+?$", "^loop$", "Loop", 1));

src/AddIns/BackendBindings/VBNetBinding/Project/Src/Parser/ExpressionFinder.cs

@@ -43,6 +43,7 @@ namespace VBNetBinding.Parser
 			{
 				return null;
 			}
+			//Console.WriteLine("---------------");
 			while (state != ERROR)
 			{
 				ReadNextToken();
@@ -368,7 +369,7 @@ namespace VBNetBinding.Parser
 						string ident = ReadIdentifier(ch);
 						if (ident != null)
 						{
-							switch (ident.ToLower())
+							switch (ident.ToLowerInvariant())
 							{
 								case "new":
 									curTokenType = New;
@@ -515,9 +516,9 @@ namespace VBNetBinding.Parser
 			/*CURLY*/        { ERROR,   ERROR,   ERROR,   ERROR,        ERROR, CURLY2,   ERROR,   ERROR,   ERROR},
 			/*CURLY2*/       { ERROR,   ERROR,   ERROR,  CURLY3,        ERROR,  ERROR,   ERROR,   ERROR,   ERROR},
 			/*CURLY3*/       { ERROR,   ERROR,   ERROR,   ERROR, ACCEPTNOMORE,  ERROR,   ERROR,   ERROR,   ERROR},
-			/*ACCEPT*/       { ERROR,    MORE,   ERROR,   ERROR,       ACCEPT,  ERROR,   ERROR,   ERROR,   ACCEPTNOMORE},
+			/*ACCEPT*/       { ERROR, ACCEPT2,   ERROR,   ERROR,       ACCEPT,  ERROR,   ERROR,   ERROR,   ACCEPTNOMORE},
 			/*ACCEPTNOMORE*/ { ERROR,   ERROR,   ERROR,   ERROR,        ERROR,  ERROR,   ERROR,   ERROR,   ERROR},
-			/*ACCEPT2*/      { ERROR,    MORE,   ERROR,  ACCEPT,       ACCEPT,  ERROR,   ERROR,   ERROR,   ERROR},
+			/*ACCEPT2*/      { ERROR, ACCEPT2,   ERROR,  ACCEPT,       ACCEPT,  ERROR,   ERROR,   ERROR,   ERROR},
 		};
 		#endregion
 	}

src/Libraries/NRefactory/Project/Src/Parser/Visitors/LookupTableVisitor.cs

@@ -61,6 +61,14 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
+		List<WithStatement> withStatements = new List<WithStatement>();
+		
+		public List<WithStatement> WithStatements {
+			get {
+				return withStatements;
+			}
+		}
+		
 		public LookupTableVisitor(StringComparer nameComparer)
 		{
 			variables = new Dictionary<string, List<LocalLookupVariable>>(nameComparer);
@@ -80,29 +88,10 @@ namespace ICSharpCode.NRefactory.Parser
 			list.Add(new LocalLookupVariable(typeRef, startPos, endPos, isConst));
 		}
 		
-		// todo: move this method to a better place.
-		bool IsInside(Point between, Point start, Point end)
+		public override object Visit(WithStatement withStatement, object data)
 		{
-			if (between.Y < start.Y || between.Y > end.Y) {
-//				Console.WriteLine("Y = {0} not between {1} and {2}", between.Y, start.Y, end.Y);
-				return false;
-			}
-			if (between.Y > start.Y) {
-				if (between.Y < end.Y) {
-					return true;
-				}
-				// between.Y == end.Y
-//				Console.WriteLine("between.Y = {0} == end.Y = {1}", between.Y, end.Y);
-//				Console.WriteLine("returning {0}:, between.X = {1} <= end.X = {2}", between.X <= end.X, between.X, end.X);
-				return between.X <= end.X;
-			}
-			// between.Y == start.Y
-//			Console.WriteLine("between.Y = {0} == start.Y = {1}", between.Y, start.Y);
-			if (between.X < start.X) {
-				return false;
-			}
-			// start is OK and between.Y <= end.Y
-			return between.Y < end.Y || between.X <= end.X;
+			withStatements.Add(withStatement);
+			return base.Visit(withStatement, data);
 		}
 		
 		public override object Visit(LocalVariableDeclaration localVariableDeclaration, object data)

src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs

@@ -148,10 +148,8 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			
 			Expression expr = null;
 			if (language == SupportedLanguage.VBNet) {
-				if (expression == "") {
-					if ((expr = WithResolve()) == null) {
-						return null;
-					}
+				if (expression.Length == 0 || expression[0] == '.') {
+					return WithResolve(expression, fileContent);
 				} else if ("global".Equals(expression, StringComparison.InvariantCultureIgnoreCase)) {
 					return new NamespaceResolveResult(null, null, "");
 				}
@@ -172,6 +170,46 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			return ResolveInternal(expr, expressionResult.Context);
 		}
 		
+		ResolveResult WithResolve(string expression, string fileContent)
+		{
+			RunLookupTableVisitor(fileContent);
+			
+			WithStatement innermost = null;
+			if (lookupTableVisitor.WithStatements != null) {
+				foreach (WithStatement with in lookupTableVisitor.WithStatements) {
+					if (IsInside(new Point(caretColumn, caretLine), with.StartLocation, with.EndLocation)) {
+						innermost = with;
+					}
+				}
+			}
+			if (innermost != null) {
+				if (expression.Length > 1) {
+					Expression expr = ParseExpression(DummyFindVisitor.dummyName + expression);
+					if (expr == null) return null;
+					DummyFindVisitor v = new DummyFindVisitor();
+					expr.AcceptVisitor(v, null);
+					if (v.result == null) return null;
+					v.result.TargetObject = innermost.Expression;
+					return ResolveInternal(v.result, ExpressionContext.Default);
+				} else {
+					return ResolveInternal(innermost.Expression, ExpressionContext.Default);
+				}
+			} else {
+				return null;
+			}
+		}
+		private class DummyFindVisitor : AbstractASTVisitor {
+			internal const string dummyName = "___withStatementExpressionDummy";
+			internal FieldReferenceExpression result;
+			public override object Visit(FieldReferenceExpression fieldReferenceExpression, object data)
+			{
+				IdentifierExpression ie = fieldReferenceExpression.TargetObject as IdentifierExpression;
+				if (ie != null && ie.Identifier == dummyName)
+					result = fieldReferenceExpression;
+				return base.Visit(fieldReferenceExpression, data);
+			}
+		}
+		
 		void RunLookupTableVisitor(string fileContent)
 		{
 			lookupTableVisitor = new LookupTableVisitor(languageProperties.NameComparer);
@@ -607,23 +645,6 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		}
 		#endregion
 		
-		Expression WithResolve()
-		{
-			if (language != SupportedLanguage.VBNet) {
-				return null;
-			}
-			Expression expr = null;
-			// TODO :
-//			if (lookupTableVisitor.WithStatements != null) {
-//				foreach (WithStatement with in lookupTableVisitor.WithStatements) {
-//					if (IsInside(new Point(caretColumn, caretLine), with.StartLocation, with.EndLocation)) {
-//						expr = with.WithExpression;
-//					}
-//				}
-//			}
-			return expr;
-		}
-		
 		Expression SpecialConstructs(string expression)
 		{
 			if (language == SupportedLanguage.VBNet) {

src/Main/Base/Project/Src/TextEditor/Gui/Editor/CompletionWindow/CodeCompletionDataProvider.cs

@@ -53,7 +53,8 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 		
 		protected void GenerateCompletionData(TextArea textArea, ExpressionResult expressionResult)
 		{
-			if (expressionResult.Expression == null || expressionResult.Expression.Length == 0) {
+			// allow empty string as expression (for VB 'With' statements)
+			if (expressionResult.Expression == null) {
 				return;
 			}
 			if (LoggingService.IsDebugEnabled) {