CSharpAstResolver now can resolve type members even when no parsedFile is specified.

This is useful for analyzing generated code that does not have accurate StartLocation/EndLocation assigned.

ICSharpCode.NRefactory.CSharp/Ast/TypeMembers/IndexerDeclaration.cs

@@ -24,6 +24,7 @@
 // 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
@@ -47,6 +48,16 @@ namespace ICSharpCode.NRefactory.CSharp
 			set { SetChildByRole (PrivateImplementationTypeRole, value); }
 		}
 		
+		public override string Name {
+			get { return "Item"; }
+			set { throw new NotSupportedException(); }
+		}
+		
+		public override Identifier NameToken {
+			get { return Identifier.Null; }
+			set { throw new NotSupportedException(); }
+		}
+		
 		public CSharpTokenNode LBracketToken {
 			get { return GetChildByRole (Roles.LBracket); }
 		}
@@ -95,7 +106,7 @@ namespace ICSharpCode.NRefactory.CSharp
 		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 		{
 			IndexerDeclaration o = other as IndexerDeclaration;
-			return o != null && MatchString(this.Name, o.Name)
+			return o != null
 				&& this.MatchAttributesAndModifiers(o, match) && this.ReturnType.DoMatch(o.ReturnType, match)
 				&& this.PrivateImplementationType.DoMatch(o.PrivateImplementationType, match)
 				&& this.Parameters.DoMatch(o.Parameters, match)

ICSharpCode.NRefactory.CSharp/Resolver/CSharpAstResolver.cs

@@ -42,16 +42,23 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		/// Use this overload if you are resolving within a complete C# file.
 		/// </summary>
 		/// <param name="compilation">The current compilation.</param>
+		/// <param name="compilationUnit">The compilation unit corresponding to the specified parsed file.</param>
 		/// <param name="parsedFile">
-		/// Result of the <see cref="TypeSystemConvertVisitor"/> for the file being passed. This is used for setting up the context on the resolver. The parsed file must be registered in the compilation.
+		/// Optional: Result of the <see cref="TypeSystemConvertVisitor"/> for the file being resolved.
+		/// <para>
+		/// This is used for setting up the context on the resolver. The parsed file must be registered in the compilation.
+		/// </para>
+		/// <para>
+		/// When a parsedFile is specified, the resolver will use the member's StartLocation/EndLocation to identify
+		/// member declarations in the AST with members in the type system.
+		/// When no parsedFile is specified (<c>null</c> value for this parameter), the resolver will instead compare the
+		/// member's signature in the AST with the signature in the type system.
+		/// </para>
 		/// </param>
-		/// <param name="compilationUnit">The compilation unit corresponding to the specified parsed file.</param>
-		public CSharpAstResolver(ICompilation compilation, CompilationUnit compilationUnit, CSharpParsedFile parsedFile)
+		public CSharpAstResolver(ICompilation compilation, CompilationUnit compilationUnit, CSharpParsedFile parsedFile = null)
 		{
 			if (compilation == null)
 				throw new ArgumentNullException("compilation");
-			if (parsedFile == null)
-				throw new ArgumentNullException("parsedFile");
 			if (compilationUnit == null)
 				throw new ArgumentNullException("compilationUnit");
 			this.initialResolverState = new CSharpResolver(compilation);
@@ -66,9 +73,18 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		/// </summary>
 		/// <param name="resolver">The resolver state at the root node (to be more precise: outside the root node).</param>
 		/// <param name="rootNode">The root node of the resolved tree.</param>
-		/// <param name="parsedFile">The parsed file for the nodes being resolved. This parameter is used only
-		/// when the root node is on the type level; it is not necessary when an expression is passed.
-		/// This parameter may be null.</param>
+		/// <param name="parsedFile">
+		/// Optional: Result of the <see cref="TypeSystemConvertVisitor"/> for the file being resolved.
+		/// <para>
+		/// This is used for setting up the context on the resolver. The parsed file must be registered in the compilation.
+		/// </para>
+		/// <para>
+		/// When a parsedFile is specified, the resolver will use the member's StartLocation/EndLocation to identify
+		/// member declarations in the AST with members in the type system.
+		/// When no parsedFile is specified (<c>null</c> value for this parameter), the resolver will instead compare the
+		/// member's signature in the AST with the signature in the type system.
+		/// </para>
+		/// </param>
 		public CSharpAstResolver(CSharpResolver resolver, AstNode rootNode, CSharpParsedFile parsedFile = null)
 		{
 			if (resolver == null)

ICSharpCode.NRefactory.CSharp/Resolver/ResolveVisitor.cs

@@ -515,8 +515,13 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		{
 			CSharpResolver previousResolver = resolver;
 			try {
-				if (parsedFile != null)
+				if (parsedFile != null) {
 					resolver = resolver.WithCurrentUsingScope(parsedFile.RootUsingScope.Resolve(resolver.Compilation));
+				} else {
+					var cv = new TypeSystemConvertVisitor(unit.FileName ?? string.Empty);
+					ApplyVisitorToUsings(cv, unit.Children);
+					PushUsingScope(cv.ParsedFile.RootUsingScope);
+				}
 				ScanChildren(unit);
 				return voidResult;
 			} finally {
@@ -524,12 +529,50 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			}
 		}
 		
+		void ApplyVisitorToUsings(TypeSystemConvertVisitor visitor, IEnumerable<AstNode> children)
+		{
+			foreach (var child in children) {
+				if (child is ExternAliasDeclaration || child is UsingDeclaration || child is UsingAliasDeclaration) {
+					child.AcceptVisitor(visitor);
+				}
+			}
+		}
+		
+		void PushUsingScope(UsingScope usingScope)
+		{
+			usingScope.Freeze();
+			resolver = resolver.WithCurrentUsingScope(new ResolvedUsingScope(resolver.CurrentTypeResolveContext, usingScope));
+		}
+		
 		ResolveResult IAstVisitor<ResolveResult>.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration)
 		{
 			CSharpResolver previousResolver = resolver;
 			try {
 				if (parsedFile != null) {
 					resolver = resolver.WithCurrentUsingScope(parsedFile.GetUsingScope(namespaceDeclaration.StartLocation).Resolve(resolver.Compilation));
+				} else {
+					string fileName = namespaceDeclaration.GetRegion().FileName ?? string.Empty;
+					// Fetch parent using scope
+					// Create root using scope if necessary
+					if (resolver.CurrentUsingScope == null)
+						PushUsingScope(new UsingScope());
+					
+					// Create child using scope
+					DomRegion region = namespaceDeclaration.GetRegion();
+					var identifiers = namespaceDeclaration.Identifiers.ToList();
+					// For all but the last identifier:
+					UsingScope usingScope;
+					for (int i = 0; i < identifiers.Count - 1; i++) {
+						usingScope = new UsingScope(resolver.CurrentUsingScope.UnresolvedUsingScope, identifiers[i].Name);
+						usingScope.Region = region;
+						PushUsingScope(usingScope);
+					}
+					// Last using scope:
+					usingScope = new UsingScope(resolver.CurrentUsingScope.UnresolvedUsingScope, identifiers.Last().Name);
+					usingScope.Region = region;
+					var cv = new TypeSystemConvertVisitor(new CSharpParsedFile(region.FileName ?? string.Empty), usingScope);
+					ApplyVisitorToUsings(cv, namespaceDeclaration.Children);
+					PushUsingScope(usingScope);
 				}
 				ScanChildren(namespaceDeclaration);
 				// merge undecided lambdas before leaving the using scope so that
@@ -591,26 +634,37 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		#region Track CurrentMember
 		ResolveResult IAstVisitor<ResolveResult>.VisitFieldDeclaration(FieldDeclaration fieldDeclaration)
 		{
-			return VisitFieldOrEventDeclaration(fieldDeclaration);
+			return VisitFieldOrEventDeclaration(fieldDeclaration, EntityType.Field);
 		}
 		
 		ResolveResult IAstVisitor<ResolveResult>.VisitFixedFieldDeclaration(FixedFieldDeclaration fixedFieldDeclaration)
 		{
-			return VisitFieldOrEventDeclaration(fixedFieldDeclaration);
+			return VisitFieldOrEventDeclaration(fixedFieldDeclaration, EntityType.Field);
 		}
 		
 		ResolveResult IAstVisitor<ResolveResult>.VisitEventDeclaration(EventDeclaration eventDeclaration)
 		{
-			return VisitFieldOrEventDeclaration(eventDeclaration);
+			return VisitFieldOrEventDeclaration(eventDeclaration, EntityType.Event);
 		}
 		
-		ResolveResult VisitFieldOrEventDeclaration(EntityDeclaration fieldOrEventDeclaration)
+		ResolveResult VisitFieldOrEventDeclaration(EntityDeclaration fieldOrEventDeclaration, EntityType entityType)
 		{
 			//int initializerCount = fieldOrEventDeclaration.GetChildrenByRole(Roles.Variable).Count;
 			CSharpResolver oldResolver = resolver;
 			for (AstNode node = fieldOrEventDeclaration.FirstChild; node != null; node = node.NextSibling) {
 				if (node.Role == Roles.Variable) {
-					resolver = resolver.WithCurrentMember(GetMemberFromLocation(node.StartLocation));
+					IMember member = null;
+					if (parsedFile != null) {
+						member = GetMemberFromLocation(node.StartLocation);
+					} else if (resolver.CurrentTypeDefinition != null) {
+						string name = ((VariableInitializer)node).Name;
+						if (entityType == EntityType.Event) {
+							member = resolver.CurrentTypeDefinition.GetEvents(e => e.Name == name && !e.IsExplicitInterfaceImplementation, GetMemberOptions.IgnoreInheritedMembers).FirstOrDefault();
+						} else {
+							member = resolver.CurrentTypeDefinition.GetFields(e => e.Name == name, GetMemberOptions.IgnoreInheritedMembers).FirstOrDefault();
+						}
+					}
+					resolver = resolver.WithCurrentMember(member);
 					
 					Scan(node);
 					
@@ -717,16 +771,57 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			}
 		}
 		
-		ResolveResult VisitMethodMember(EntityDeclaration member)
+		ResolveResult VisitMethodMember(EntityDeclaration memberDeclaration)
 		{
 			CSharpResolver oldResolver = resolver;
 			try {
-				resolver = resolver.WithCurrentMember(GetMemberFromLocation(member.StartLocation));
-				
-				ScanChildren(member);
+				IMember member = null;
+				if (parsedFile != null) {
+					member = GetMemberFromLocation(memberDeclaration.StartLocation);
+				} else if (resolver.CurrentTypeDefinition != null) {
+					// Re-discover the method:
+					EntityType entityType = memberDeclaration.EntityType;
+					var typeParameters = memberDeclaration.GetChildrenByRole(Roles.TypeParameter).ToArray();
+					var parameterTypes = TypeSystemConvertVisitor.GetParameterTypes(memberDeclaration.GetChildrenByRole(Roles.Parameter));
+					if (entityType == EntityType.Constructor) {
+						bool isStatic = memberDeclaration.HasModifier(Modifiers.Static);
+						member = resolver.CurrentTypeDefinition.Methods.FirstOrDefault(
+							m => m.EntityType == entityType && m.IsStatic == isStatic
+							&& m.Parameters.Count == parameterTypes.Count
+							&& IsMatchingMethod(m, typeParameters, parameterTypes));
+					} else {
+						string name = (entityType == EntityType.Destructor ? "Finalize" : memberDeclaration.Name);
+						AstType explicitInterfaceAstType = memberDeclaration.GetChildByRole(EntityDeclaration.PrivateImplementationTypeRole);
+						bool isExplicitInterfaceImplementation = false;
+						IType explicitInterfaceType = null;
+						if (!explicitInterfaceAstType.IsNull) {
+							isExplicitInterfaceImplementation = true;
+							explicitInterfaceType = explicitInterfaceAstType.ToTypeReference().Resolve(resolver.CurrentTypeResolveContext);
+						}
+						foreach (var method in resolver.CurrentTypeDefinition.GetMethods(
+							m => m.EntityType == entityType && m.Name == name
+							&& m.TypeParameters.Count == typeParameters.Length && m.Parameters.Count == parameterTypes.Count
+							&& m.IsExplicitInterfaceImplementation == isExplicitInterfaceImplementation,
+							GetMemberOptions.IgnoreInheritedMembers
+						)) {
+							if (isExplicitInterfaceImplementation) {
+								if (method.ImplementedInterfaceMembers.Count != 1)
+									continue;
+								if (!explicitInterfaceType.Equals(method.ImplementedInterfaceMembers[0].DeclaringType))
+									continue;
+							}
+							if (IsMatchingMethod(method, typeParameters, parameterTypes)) {
+								member = method;
+								break;
+							}
+						}
+					}
+				}
+				resolver = resolver.WithCurrentMember(member);
+				ScanChildren(memberDeclaration);
 				
-				if (resolver.CurrentMember != null)
-					return new MemberResolveResult(null, resolver.CurrentMember, false);
+				if (member != null)
+					return new MemberResolveResult(null, member, false);
 				else
 					return errorResult;
 			} finally {
@@ -734,6 +829,20 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			}
 		}
 		
+		bool IsMatchingMethod(IMethod method, TypeParameterDeclaration[] typeParameters, IList<ITypeReference> parameterTypes)
+		{
+			for (int i = 0; i < typeParameters.Length; i++) {
+				if (method.TypeParameters[i].Name != typeParameters[i].Name)
+					return false;
+			}
+			var resolvedParameterTypes = parameterTypes.Resolve(resolver.CurrentTypeResolveContext.WithCurrentMember(method));
+			for (int i = 0; i < parameterTypes.Count; i++) {
+				if (!method.Parameters[i].Type.Equals(resolvedParameterTypes[i]))
+					return false;
+			}
+			return true;
+		}
+		
 		ResolveResult IAstVisitor<ResolveResult>.VisitMethodDeclaration(MethodDeclaration methodDeclaration)
 		{
 			return VisitMethodMember(methodDeclaration);
@@ -759,20 +868,51 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		{
 			CSharpResolver oldResolver = resolver;
 			try {
-				resolver = resolver.WithCurrentMember(GetMemberFromLocation(propertyOrIndexerDeclaration.StartLocation));
+				IMember member = null;
+				if (parsedFile != null) {
+					member = GetMemberFromLocation(propertyOrIndexerDeclaration.StartLocation);
+				} else if (resolver.CurrentTypeDefinition != null) {
+					// Re-discover the property:
+					string name = propertyOrIndexerDeclaration.Name;
+					var parameterTypeReferences = TypeSystemConvertVisitor.GetParameterTypes(propertyOrIndexerDeclaration.GetChildrenByRole(Roles.Parameter));
+					var parameterTypes = parameterTypeReferences.Resolve(resolver.CurrentTypeResolveContext);
+					AstType explicitInterfaceAstType = propertyOrIndexerDeclaration.GetChildByRole(EntityDeclaration.PrivateImplementationTypeRole);
+					bool isExplicitInterfaceImplementation = false;
+					IType explicitInterfaceType = null;
+					if (!explicitInterfaceAstType.IsNull) {
+						isExplicitInterfaceImplementation = true;
+						explicitInterfaceType = explicitInterfaceAstType.ToTypeReference().Resolve(resolver.CurrentTypeResolveContext);
+					}
+					foreach (IProperty property in resolver.CurrentTypeDefinition.GetProperties(
+						p => p.Name == name && p.Parameters.Count == parameterTypes.Count && p.IsExplicitInterfaceImplementation == isExplicitInterfaceImplementation,
+						GetMemberOptions.IgnoreInheritedMembers
+					)) {
+						if (isExplicitInterfaceImplementation) {
+							if (property.ImplementedInterfaceMembers.Count != 1)
+								continue;
+							if (!explicitInterfaceType.Equals(property.ImplementedInterfaceMembers[0].DeclaringType))
+								continue;
+						}
+						if (Enumerable.SequenceEqual(parameterTypes, property.Parameters.Select(p => p.Type))) {
+							member = property;
+							break;
+						}
+					}
+				}
+				resolver = resolver.WithCurrentMember(member);
 				
 				for (AstNode node = propertyOrIndexerDeclaration.FirstChild; node != null; node = node.NextSibling) {
-					if (node.Role == PropertyDeclaration.SetterRole && resolver.CurrentMember != null) {
+					if (node.Role == PropertyDeclaration.SetterRole && member != null) {
 						resolver = resolver.PushBlock();
-						resolver = resolver.AddVariable(new DefaultParameter(resolver.CurrentMember.ReturnType, "value"));
+						resolver = resolver.AddVariable(new DefaultParameter(member.ReturnType, "value"));
 						Scan(node);
 						resolver = resolver.PopBlock();
 					} else {
 						Scan(node);
 					}
 				}
-				if (resolver.CurrentMember != null)
-					return new MemberResolveResult(null, resolver.CurrentMember, false);
+				if (member != null)
+					return new MemberResolveResult(null, member, false);
 				else
 					return errorResult;
 			} finally {
@@ -794,18 +934,38 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		{
 			CSharpResolver oldResolver = resolver;
 			try {
-				resolver = resolver.WithCurrentMember(GetMemberFromLocation(eventDeclaration.StartLocation));
+				IMember member = null;
+				if (parsedFile != null) {
+					member = GetMemberFromLocation(eventDeclaration.StartLocation);
+				} else if (resolver.CurrentTypeDefinition != null) {
+					string name = eventDeclaration.Name;
+					AstType explicitInterfaceAstType = eventDeclaration.PrivateImplementationType;
+					if (explicitInterfaceAstType.IsNull) {
+						member = resolver.CurrentTypeDefinition.GetEvents(
+							e => e.Name == name && !e.IsExplicitInterfaceImplementation,
+							GetMemberOptions.IgnoreInheritedMembers).FirstOrDefault();
+					} else {
+						IType explicitInterfaceType = explicitInterfaceAstType.ToTypeReference().Resolve(resolver.CurrentTypeResolveContext);
+						member = resolver.CurrentTypeDefinition.GetEvents(
+							e => e.Name == name && e.IsExplicitInterfaceImplementation,
+							GetMemberOptions.IgnoreInheritedMembers
+						).FirstOrDefault(
+							e => e.ImplementedInterfaceMembers.Count == 1 && explicitInterfaceType.Equals(e.ImplementedInterfaceMembers[0].DeclaringType)
+						);
+					}
+				}
+				resolver = resolver.WithCurrentMember(member);
 				
-				if (resolver.CurrentMember != null) {
+				if (member != null) {
 					resolver = resolver.PushBlock();
-					resolver = resolver.AddVariable(new DefaultParameter(resolver.CurrentMember.ReturnType, "value"));
+					resolver = resolver.AddVariable(new DefaultParameter(member.ReturnType, "value"));
 					ScanChildren(eventDeclaration);
 				} else {
 					ScanChildren(eventDeclaration);
 				}
 				
-				if (resolver.CurrentMember != null)
-					return new MemberResolveResult(null, resolver.CurrentMember, false);
+				if (member != null)
+					return new MemberResolveResult(null, member, false);
 				else
 					return errorResult;
 			} finally {
@@ -876,16 +1036,23 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			try {
 				// Scan enum member attributes before setting resolver.CurrentMember, so that
 				// enum values used as attribute arguments have the correct type.
-				// (which an enum member, all other enum members are treated as having their underlying type)
+				// (within an enum member, all other enum members are treated as having their underlying type)
 				foreach (var attributeSection in enumMemberDeclaration.Attributes)
 					Scan(attributeSection);
 				
-				resolver = resolver.WithCurrentMember(GetMemberFromLocation(enumMemberDeclaration.StartLocation));
+				IMember member = null;
+				if (parsedFile != null) {
+					member = GetMemberFromLocation(enumMemberDeclaration.StartLocation);
+				} else if (resolver.CurrentTypeDefinition != null) {
+					string name = enumMemberDeclaration.Name;
+					member = resolver.CurrentTypeDefinition.GetFields(f => f.Name == name, GetMemberOptions.IgnoreInheritedMembers).FirstOrDefault();
+				}
+				resolver = resolver.WithCurrentMember(member);
 				
 				if (resolverEnabled && resolver.CurrentTypeDefinition != null) {
 					ResolveAndProcessConversion(enumMemberDeclaration.Initializer, resolver.CurrentTypeDefinition.EnumUnderlyingType);
-					if (resolverEnabled && resolver.CurrentMember != null)
-						return new MemberResolveResult(null, resolver.CurrentMember, false);
+					if (resolverEnabled && member != null)
+						return new MemberResolveResult(null, member, false);
 					else
 						return errorResult;
 				} else {
@@ -1747,7 +1914,10 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		DomRegion MakeRegion(AstNode node)
 		{
-			return new DomRegion(parsedFile != null ? parsedFile.FileName : null, node.StartLocation, node.EndLocation);
+			if (parsedFile != null)
+				return new DomRegion(parsedFile.FileName, node.StartLocation, node.EndLocation);
+			else
+				return node.GetRegion();
 		}
 		
 		sealed class ExplicitlyTypedLambda : LambdaBase

ICSharpCode.NRefactory.CSharp/TypeSystem/TypeSystemConvertVisitor.cs

@@ -1139,6 +1139,18 @@ namespace ICSharpCode.NRefactory.CSharp.TypeSystem
 				outputList.Add(p);
 			}
 		}
+		
+		internal static IList<ITypeReference> GetParameterTypes(IEnumerable<ParameterDeclaration> parameters)
+		{
+			List<ITypeReference> result = new List<ITypeReference>();
+			foreach (ParameterDeclaration pd in parameters) {
+				ITypeReference type = pd.Type.ToTypeReference();
+				if (pd.ParameterModifier == ParameterModifier.Ref || pd.ParameterModifier == ParameterModifier.Out)
+					type = new ByReferenceTypeReference(type);
+				result.Add(type);
+			}
+			return result;
+		}
 		#endregion
 		
 		#region XML Documentation

ICSharpCode.NRefactory.ConsistencyCheck/Program.cs

@@ -57,10 +57,10 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			                  solution.AllFiles.Count(),
 			                  solution.Projects.Count);
 			
-			using (new Timer("ID String test... "))
-				IDStringConsistencyCheck.Run(solution);
+			//using (new Timer("ID String test... ")) IDStringConsistencyCheck.Run(solution);
 			//RunTestOnAllFiles("Roundtripping test", RoundtripTest.RunTest);
 			RunTestOnAllFiles("Resolver test", ResolverTest.RunTest);
+			RunTestOnAllFiles("Resolver test (no parsed file)", ResolverTest.RunTestWithoutParsedFile);
 			RunTestOnAllFiles("Resolver test (randomized order)", RandomizedOrderResolverTest.RunTest);
 			new FindReferencesConsistencyCheck(solution).Run();
 			

ICSharpCode.NRefactory.ConsistencyCheck/RandomizedOrderResolverTest.cs

@@ -147,7 +147,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			return false;
 		}
 		
-		bool IsEqualResolveResult(ResolveResult rr1, ResolveResult rr2)
+		internal static bool IsEqualResolveResult(ResolveResult rr1, ResolveResult rr2)
 		{
 			if (rr1 == rr2)
 				return true;
@@ -169,7 +169,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			return eq;
 		}
 		
-		bool Compare(object val1, object val2, Type type)
+		static bool Compare(object val1, object val2, Type type)
 		{
 			if (val1 == val2)
 				return true;
@@ -205,7 +205,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			}
 		}
 		
-		bool IsEqualResolverState(CSharpResolver r1, CSharpResolver r2)
+		internal static bool IsEqualResolverState(CSharpResolver r1, CSharpResolver r2)
 		{
 			if (r1.CheckForOverflow != r2.CheckForOverflow)
 				return false;
@@ -226,7 +226,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			return r1.LocalVariables.Zip(r2.LocalVariables, IsEqualVariable).All(_ => _);
 		}
 		
-		bool IsEqualVariable(IVariable v1, IVariable v2)
+		internal static bool IsEqualVariable(IVariable v1, IVariable v2)
 		{
 			return object.Equals(v1.ConstantValue, v2.ConstantValue)
 				&& v1.IsConst == v2.IsConst

ICSharpCode.NRefactory.ConsistencyCheck/ResolverTest.cs

@@ -29,7 +29,7 @@ using ICSharpCode.NRefactory.TypeSystem;
 namespace ICSharpCode.NRefactory.ConsistencyCheck
 {
 	/// <summary>
-	/// Description of ResolverTest.
+	/// Validates that no compile errors are found in valid code.
 	/// </summary>
 	public class ResolverTest
 	{
@@ -38,10 +38,10 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 			CSharpAstResolver resolver = new CSharpAstResolver(file.Project.Compilation, file.CompilationUnit, file.ParsedFile);
 			var navigator = new ValidatingResolveAllNavigator(file.FileName);
 			resolver.ApplyNavigator(navigator, CancellationToken.None);
-			navigator.Validate(file.CompilationUnit);
+			navigator.Validate(resolver, file.CompilationUnit);
 		}
 		
-		sealed class ValidatingResolveAllNavigator : IResolveVisitorNavigator
+		class ValidatingResolveAllNavigator : IResolveVisitorNavigator
 		{
 			string fileName;
 			bool allowErrors;
@@ -54,7 +54,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 				this.allowErrors = (fileName.Contains(".xaml") || File.Exists(Path.ChangeExtension(fileName, ".xaml")) || fileName.EndsWith("AvalonDockLayout.cs") || fileName.EndsWith("ResourcesFileTreeNode.cs") || fileName.EndsWith("ChangeMarkerMargin.cs"));
 			}
 			
-			HashSet<AstNode> resolvedNodes = new HashSet<AstNode>();
+			Dictionary<AstNode, ResolveResult> resolvedNodes = new Dictionary<AstNode, ResolveResult>();
 			HashSet<AstNode> nodesWithConversions = new HashSet<AstNode>();
 			
 			public ResolveVisitorNavigationMode Scan(AstNode node)
@@ -62,10 +62,11 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 				return ResolveVisitorNavigationMode.Resolve;
 			}
 			
-			public void Resolved(AstNode node, ResolveResult result)
+			public virtual void Resolved(AstNode node, ResolveResult result)
 			{
-				if (!resolvedNodes.Add(node))
+				if (resolvedNodes.ContainsKey(node))
 					throw new InvalidOperationException("Duplicate Resolved() call");
+				resolvedNodes.Add(node, result);
 				if (CSharpAstResolver.IsUnresolvableNode(node))
 					throw new InvalidOperationException("Resolved unresolvable node");
 				
@@ -74,7 +75,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 				}
 			}
 			
-			public void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
+			public virtual void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
 			{
 				if (!nodesWithConversions.Add(expression))
 					throw new InvalidOperationException("Duplicate ProcessConversion() call");
@@ -83,13 +84,47 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 				}
 			}
 			
-			public void Validate(CompilationUnit cu)
+			public virtual void Validate(CSharpAstResolver resolver, CompilationUnit cu)
 			{
-				foreach (AstNode node in cu.DescendantsAndSelf.Except(resolvedNodes)) {
+				foreach (AstNode node in cu.DescendantsAndSelf.Except(resolvedNodes.Keys)) {
 					if (!CSharpAstResolver.IsUnresolvableNode(node)) {
 						Console.WriteLine("Forgot to resolve " + node);
 					}
 				}
+				foreach (var pair in resolvedNodes) {
+					if (resolver.Resolve(pair.Key) != pair.Value)
+						throw new InvalidOperationException("Inconsistent result");
+				}
+			}
+		}
+		
+		public static void RunTestWithoutParsedFile(CSharpFile file)
+		{
+			CSharpAstResolver originalResolver = new CSharpAstResolver(file.Project.Compilation, file.CompilationUnit, file.ParsedFile);
+			originalResolver.ApplyNavigator(new ValidatingResolveAllNavigator(file.FileName), CancellationToken.None);
+			CSharpAstResolver resolver = new CSharpAstResolver(file.Project.Compilation, file.CompilationUnit);
+			var navigator = new ComparingResolveAllNavigator(originalResolver);
+			resolver.ApplyNavigator(navigator, CancellationToken.None);
+			navigator.Validate(resolver, file.CompilationUnit);
+		}
+		
+		sealed class ComparingResolveAllNavigator : ValidatingResolveAllNavigator
+		{
+			readonly CSharpAstResolver originalResolver;
+			
+			public ComparingResolveAllNavigator(CSharpAstResolver originalResolver)
+				: base(originalResolver.ParsedFile.FileName)
+			{
+				this.originalResolver = originalResolver;
+			}
+			
+			public override void Resolved(AstNode node, ResolveResult result)
+			{
+				base.Resolved(node, result);
+				ResolveResult originalResult = originalResolver.Resolve(node);
+				if (!RandomizedOrderResolverTest.IsEqualResolveResult(originalResult, result)) {
+					Console.WriteLine("Compiler error at " + node.GetRegion().FileName + ":" + node.StartLocation + ": Should be " + originalResult + " but was " + result);
+				}
 			}
 		}
 	}

ICSharpCode.NRefactory.Tests/CSharp/Parser/TypeMembers/IndexerDeclarationTests.cs

@@ -35,6 +35,7 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.TypeMembers
 			Assert.AreEqual(Modifiers.Public, id.Modifiers);
 			Assert.AreEqual(Modifiers.None, id.Getter.Modifiers);
 			Assert.AreEqual(Modifiers.Protected, id.Setter.Modifiers);
+			Assert.AreEqual("Item", id.Name);
 		}
 		
 		[Test]
@@ -59,7 +60,6 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.TypeMembers
 						Identifier = "MyInterface",
 						TypeArguments = { new PrimitiveType("string") }
 					},
-					Name = "this",
 					Parameters = {
 						new ParameterDeclaration(new PrimitiveType("int"), "a"),
 						new ParameterDeclaration(new PrimitiveType("string"), "b")