Fixed bugs that caused some nodes not to be resolved in a "resolve all" run.

ICSharpCode.NRefactory/CSharp/Ast/Expressions/BinaryOperatorExpression.cs

@@ -128,11 +128,15 @@ namespace ICSharpCode.NRefactory.CSharp
 	
 	public enum BinaryOperatorType
 	{
+		/// <summary>
+		/// Any binary operator (used in pattern matching)
+		/// </summary>
+		Any,
+		
 		// We avoid 'logical or' on purpose, because it's not clear if that refers to the bitwise
 		// or to the short-circuiting (conditional) operator:
 		// MCS and old NRefactory used bitwise='|', logical='||'
 		// but the C# spec uses logical='|', conditional='||'
-		
 		/// <summary>left &amp; right</summary>
 		BitwiseAnd,
 		/// <summary>left | right</summary>
@@ -174,11 +178,6 @@ namespace ICSharpCode.NRefactory.CSharp
 		ShiftRight,
 		
 		/// <summary>left ?? right</summary>
-		NullCoalescing,
-		
-		/// <summary>
-		/// Any binary operator (used in pattern matching)
-		/// </summary>
-		Any
+		NullCoalescing
 	}
 }

ICSharpCode.NRefactory/CSharp/Ast/Expressions/UnaryOperatorExpression.cs

@@ -67,7 +67,8 @@ namespace ICSharpCode.NRefactory.CSharp
 		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 		{
 			UnaryOperatorExpression o = other as UnaryOperatorExpression;
-			return o != null && this.Operator == o.Operator && this.Expression.DoMatch(o.Expression, match);
+			return o != null && (this.Operator == UnaryOperatorType.Any || this.Operator == o.Operator)
+				&& this.Expression.DoMatch(o.Expression, match);
 		}
 		
 		public static string GetOperatorSymbol(UnaryOperatorType op)
@@ -101,6 +102,11 @@ namespace ICSharpCode.NRefactory.CSharp
 	
 	public enum UnaryOperatorType
 	{
+		/// <summary>
+		/// Any unary operator (used in pattern matching)
+		/// </summary>
+		Any,
+		
 		/// <summary>Logical not (!a)</summary>
 		Not,
 		/// <summary>Bitwise not (~a)</summary>

ICSharpCode.NRefactory/CSharp/Resolver/Conversions.cs

@@ -86,16 +86,22 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		public static Conversion UserDefinedImplicitConversion(IMethod operatorMethod, bool isLifted)
 		{
+			if (operatorMethod == null)
+				throw new ArgumentNullException("operatorMethod");
 			return new Conversion(isLifted ? liftedUserDefinedImplicitConversionKind : userDefinedImplicitConversionKind, operatorMethod);
 		}
 		
 		public static Conversion UserDefinedExplicitConversion(IMethod operatorMethod, bool isLifted)
 		{
+			if (operatorMethod == null)
+				throw new ArgumentNullException("operatorMethod");
 			return new Conversion(isLifted ? liftedUserDefinedExplicitConversionKind : userDefinedExplicitConversionKind, operatorMethod);
 		}
 		
 		public static Conversion MethodGroupConversion(IMethod chosenMethod)
 		{
+			if (chosenMethod == null)
+				throw new ArgumentNullException("chosenMethod");
 			return new Conversion(methodGroupConversionKind, chosenMethod);
 		}
 		

ICSharpCode.NRefactory/CSharp/Resolver/FindReferencedEntities.cs

@@ -0,0 +1,64 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using ICSharpCode.NRefactory.TypeSystem;
+
+namespace ICSharpCode.NRefactory.CSharp.Resolver
+{
+	/// <summary>
+	/// Find all entities that are referenced in the scanned AST.
+	/// </summary>
+	public sealed class FindReferencedEntities : IResolveVisitorNavigator
+	{
+		readonly Action<AstNode, IEntity> referenceFound;
+		
+		public FindReferencedEntities(Action<AstNode, IEntity> referenceFound)
+		{
+			if (referenceFound == null)
+				throw new ArgumentNullException("referenceFound");
+			this.referenceFound = referenceFound;
+		}
+		
+		public ResolveVisitorNavigationMode Scan(AstNode node)
+		{
+			return ResolveVisitorNavigationMode.Resolve;
+		}
+		
+		public void Resolved(AstNode node, ResolveResult result)
+		{
+			MemberResolveResult mrr = result as MemberResolveResult;
+			if (mrr != null) {
+				referenceFound(node, mrr.Member);
+			}
+			TypeResolveResult trr = result as TypeResolveResult;
+			if (trr != null) {
+				ITypeDefinition typeDef = trr.Type.GetDefinition();
+				if (typeDef != null)
+					referenceFound(node, typeDef);
+			}
+		}
+		
+		public void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
+		{
+			if (conversion.IsUserDefined || conversion.IsMethodGroupConversion) {
+				referenceFound(expression, conversion.Method);
+			}
+		}
+	}
+}

ICSharpCode.NRefactory/CSharp/Resolver/Log.cs

@@ -35,7 +35,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// </summary>
 	static class Log
 	{
-		const bool logEnabled = true;
+		const bool logEnabled = false;
 		
 		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		internal static void WriteLine(string text)

ICSharpCode.NRefactory/CSharp/Resolver/ResolveVisitor.cs

@@ -359,6 +359,9 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		/// </summary>
 		public ResolveResult GetResolveResult(AstNode node)
 		{
+			if (IsUnresolvableNode(node))
+				return null;
+			
 			MergeUndecidedLambdas();
 			ResolveResult result;
 			if (resolveResultCache.TryGetValue(node, out result))
@@ -385,6 +388,28 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				return null;
 		}
 		
+		/// <summary>
+		/// Gets whether the specified node is unresolvable.
+		/// </summary>
+		public static bool IsUnresolvableNode(AstNode node)
+		{
+			return (node.NodeType == NodeType.Whitespace || node is ArraySpecifier || node is NamedArgumentExpression);
+		}
+		
+		/// <summary>
+		/// Gets the resolve result for the specified node.
+		/// If the node was not resolved by the navigator, this method will return null.
+		/// </summary>
+		public ResolveResult GetResolveResultIfResolved(AstNode node)
+		{
+			MergeUndecidedLambdas();
+			ResolveResult result;
+			if (resolveResultCache.TryGetValue(node, out result))
+				return result;
+			else
+				return null;
+		}
+		
 		CSharpResolver GetPreviouslyScannedContext(AstNode node, out AstNode parent)
 		{
 			parent = node;
@@ -577,7 +602,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				if (aie != null && arrayType != null) {
 					StoreState(aie, resolver.Clone());
 					List<Expression> initializerElements = new List<Expression>();
-					UnpackArrayInitializer(initializerElements, aie, arrayType.Dimensions);
+					UnpackArrayInitializer(initializerElements, aie, arrayType.Dimensions, true);
 					ResolveResult[] initializerElementResults = new ResolveResult[initializerElements.Count];
 					for (int i = 0; i < initializerElementResults.Length; i++) {
 						initializerElementResults[i] = Resolve(initializerElements[i]);
@@ -916,11 +941,12 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				initializerElementResults = null;
 			} else {
 				initializerElements = new List<Expression>();
-				UnpackArrayInitializer(initializerElements, arrayCreateExpression.Initializer, dimensions);
+				UnpackArrayInitializer(initializerElements, arrayCreateExpression.Initializer, dimensions, true);
 				initializerElementResults = new ResolveResult[initializerElements.Count];
 				for (int i = 0; i < initializerElementResults.Length; i++) {
 					initializerElementResults[i] = Resolve(initializerElements[i]);
 				}
+				StoreResult(arrayCreateExpression.Initializer, voidResult);
 			}
 			
 			ArrayCreateResolveResult acrr;
@@ -936,16 +962,19 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			return acrr;
 		}
 		
-		void UnpackArrayInitializer(List<Expression> elementList, ArrayInitializerExpression initializer, int dimensions)
+		void UnpackArrayInitializer(List<Expression> elementList, ArrayInitializerExpression initializer, int dimensions, bool resolveNestedInitializesToVoid)
 		{
 			Debug.Assert(dimensions >= 1);
 			if (dimensions > 1) {
 				foreach (var node in initializer.Elements) {
 					ArrayInitializerExpression aie = node as ArrayInitializerExpression;
-					if (aie != null)
-						UnpackArrayInitializer(elementList, aie, dimensions - 1);
-					else
+					if (aie != null) {
+						if (resolveNestedInitializesToVoid)
+							StoreResult(aie, voidResult);
+						UnpackArrayInitializer(elementList, aie, dimensions - 1, resolveNestedInitializesToVoid);
+					} else {
 						elementList.Add(node);
+					}
 				}
 			} else {
 				foreach (var expr in initializer.Elements)
@@ -1215,6 +1244,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				}
 			}
 			resolver.PopInitializerType();
+			StoreResult(initializer, voidResult);
 		}
 		
 		ResolveResult IAstVisitor<object, ResolveResult>.VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, object data)
@@ -1672,7 +1702,10 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 					visitor.ResetContext(
 						storedContext,
 						delegate {
+							var oldNavigator = visitor.navigator;
+							visitor.navigator = new ConstantModeResolveVisitorNavigator(ResolveVisitorNavigationMode.Resolve, oldNavigator);
 							visitor.AnalyzeLambda(body, out success, out isValidAsVoidMethod, out inferredReturnType, out returnExpressions, out returnValues);
+							visitor.navigator = oldNavigator;
 						});
 					Log.Unindent();
 					Log.WriteLine("Finished analyzing " + this.LambdaExpression);
@@ -1857,7 +1890,8 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 					if (ok)
 						return h;
 				}
-				ResolveVisitor visitor = new ResolveVisitor(storedContext.Clone(), parsedFile);
+				var resolveAll = new ConstantModeResolveVisitorNavigator(ResolveVisitorNavigationMode.Resolve, null);
+				ResolveVisitor visitor = new ResolveVisitor(storedContext.Clone(), parsedFile, resolveAll);
 				var newHypothesis = new LambdaTypeHypothesis(this, parameterTypes, visitor, lambda != null ? lambda.Parameters : null);
 				hypotheses.Add(newHypothesis);
 				return newHypothesis;
@@ -2050,7 +2084,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		void MergeUndecidedLambdas()
 		{
-			if (undecidedLambdas == null)
+			if (undecidedLambdas == null || undecidedLambdas.Count == 0)
 				return;
 			Log.WriteLine("MergeUndecidedLambdas()...");
 			Log.Indent();
@@ -2097,9 +2131,6 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		#region AnalyzeLambda
 		void AnalyzeLambda(AstNode body, out bool success, out bool isValidAsVoidMethod, out IType inferredReturnType, out IList<Expression> returnExpressions, out IList<ResolveResult> returnValues)
 		{
-			var oldNavigator = this.navigator;
-			this.navigator = new ConstantModeResolveVisitorNavigator(ResolveVisitorNavigationMode.Resolve, oldNavigator);
-			
 			Expression expr = body as Expression;
 			if (expr != null) {
 				isValidAsVoidMethod = ExpressionPermittedAsStatement(expr);
@@ -2133,7 +2164,6 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			// TODO: check for compiler errors within the lambda body
 			
 			success = true;
-			this.navigator = oldNavigator;
 		}
 		
 		static bool ExpressionPermittedAsStatement(Expression expr)
@@ -2679,7 +2709,9 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			}
 			ResolveResult target;
 			if (memberType.IsDoubleColon && memberType.Target is SimpleType) {
-				target = resolver.ResolveAlias(((SimpleType)memberType.Target).Identifier);
+				SimpleType t = (SimpleType)memberType.Target;
+				target = resolver.ResolveAlias(t.Identifier);
+				StoreResult(t, target);
 			} else {
 				target = Resolve(memberType.Target);
 			}

ICSharpCode.NRefactory/ICSharpCode.NRefactory.csproj

@@ -102,6 +102,7 @@
     <Compile Include="CSharp\Refactoring\TypeSystemAstBuilder.cs" />
     <Compile Include="CSharp\Resolver\CompositeResolveVisitorNavigator.cs" />
     <Compile Include="CSharp\Resolver\DetectSkippableNodesNavigator.cs" />
+    <Compile Include="CSharp\Resolver\FindReferencedEntities.cs" />
     <Compile Include="CSharp\Resolver\FindReferences.cs" />
     <Compile Include="CSharp\Resolver\Log.cs" />
     <Compile Include="CSharp\Resolver\OperatorResolveResult.cs" />