public override IEntity ResolveCref(string cref) { if (cref.Length > 2 && cref[1] == ':') { // resolve ID string return base.ResolveCref(cref); } var documentationReference = new PlayScriptParser().ParseDocumentationReference(cref); var csharpContext = context as CSharpTypeResolveContext; CSharpResolver resolver; if (csharpContext != null) { resolver = new CSharpResolver(csharpContext); } else { resolver = new CSharpResolver(context.Compilation); } var astResolver = new CSharpAstResolver(resolver, documentationReference); var rr = astResolver.Resolve(documentationReference); MemberResolveResult mrr = rr as MemberResolveResult; if (mrr != null) return mrr.Member; TypeResolveResult trr = rr as TypeResolveResult; if (trr != null) return trr.Type.GetDefinition(); return null; }
/// <summary> /// Creates a new TypeSystemAstBuilder. /// </summary> /// <param name="resolver"> /// A resolver initialized for the position where the type will be inserted. /// </param> public TypeSystemAstBuilder(CSharpResolver resolver) { if (resolver == null) throw new ArgumentNullException("resolver"); this.resolver = resolver; InitProperties(); }
/// <summary> /// Creates a new C# AST resolver. /// Use this overload if you are resolving within a complete C# file. /// </summary> /// <param name="compilation">The current compilation.</param> /// <param name="syntaxTree">The syntax tree to be resolved.</param> /// <param name="unresolvedFile"> /// Optional: Result of <see cref="SyntaxTree.ToTypeSystem()"/> for the file being resolved. /// <para> /// This is used for setting up the context on the resolver. The unresolved file must be registered in the compilation. /// </para> /// <para> /// When a unresolvedFile 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 unresolvedFile 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(ICompilation compilation, SyntaxTree syntaxTree, CSharpUnresolvedFile unresolvedFile = null) { if (compilation == null) throw new ArgumentNullException("compilation"); if (syntaxTree == null) throw new ArgumentNullException("syntaxTree"); this.initialResolverState = new CSharpResolver(compilation); this.rootNode = syntaxTree; this.unresolvedFile = unresolvedFile; this.resolveVisitor = new ResolveVisitor(initialResolverState, unresolvedFile); }
public override ResolveResult Resolve(CSharpResolver resolver) { ResolveResult targetRR = target.Resolve(resolver); if (targetRR.IsError) return targetRR; IList<IType> typeArgs = typeArguments.Resolve(resolver.CurrentTypeResolveContext); using (var busyLock = BusyManager.Enter(this)) { if (busyLock.Success) { return resolver.ResolveMemberAccess(targetRR, identifier, typeArgs, lookupMode); } else { // This can happen for "class Test : $Test.Base$ { public class Base {} }": return ErrorResolveResult.UnknownError; // don't cache this error } } }
public override ResolveResult Resolve(CSharpResolver resolver) { return resolver.ResolveUnaryOperator(operatorType, expression.Resolve(resolver)); }
public override IType ResolveType(CSharpResolver resolver) { TypeResolveResult trr = Resolve(resolver) as TypeResolveResult; return trr != null ? trr.Type : new UnknownType(null, identifier, typeArguments.Count); }
public override ResolveResult Resolve(CSharpResolver resolver) { ResolveResult lhs = left.Resolve(resolver); ResolveResult rhs = right.Resolve(resolver); return resolver.ResolveBinaryOperator(operatorType, lhs, rhs); }
public override ResolveResult Resolve(CSharpResolver resolver) { return resolver.ResolveDefaultValue(type.Resolve(resolver.CurrentTypeResolveContext)); }
public override ResolveResult Resolve(CSharpResolver resolver) { var typeArgs = typeArguments.Resolve(resolver.CurrentTypeResolveContext); return resolver.LookupSimpleNameOrTypeName(identifier, typeArgs, lookupMode); }
public override ResolveResult Resolve(CSharpResolver resolver) { ResolveResult[] elements = new ResolveResult[arrayElements.Count]; for (int i = 0; i < elements.Length; i++) { elements[i] = arrayElements[i].Resolve(resolver); } int[] sizeArguments = { elements.Length }; if (elementType != null) { return resolver.ResolveArrayCreation(elementType.Resolve(resolver.CurrentTypeResolveContext), sizeArguments, elements); } else { return resolver.ResolveArrayCreation(null, sizeArguments, elements); } }
IEnumerable<ICompletionData> MagicKeyCompletion(char completionChar, bool controlSpace) { Tuple<ResolveResult, CSharpResolver> resolveResult; switch (completionChar) { // Magic key completion case ':': var wrapper1 = new CompletionDataWrapper(this); AddTypesAndNamespaces( wrapper1, GetState(), null, t => currentType != null && !currentType.ReflectionName.Equals(t.ReflectionName) ? t : null ); return wrapper1.Result; case '.': if (IsInsideCommentStringOrDirective()) { return Enumerable.Empty<ICompletionData>(); } return HandleMemberReferenceCompletion(GetExpressionBeforeCursor()); case '#': if (!IsInPreprocessorDirective()) return null; return GetDirectiveCompletionData(); // XML doc completion case '<': if (IsInsideDocComment()) { return GetXmlDocumentationCompletionData(); } if (controlSpace) { return DefaultControlSpaceItems(); } return null; case '>': if (!IsInsideDocComment()) { if (offset > 2 && document.GetCharAt(offset - 2) == '-' && !IsInsideCommentStringOrDirective()) { return HandleMemberReferenceCompletion(GetExpressionBeforeCursor()); } return null; } return null; // Parameter completion case '(': if (IsInsideCommentStringOrDirective()) { return null; } var invoke = GetInvocationBeforeCursor(true); if (invoke == null) { if (controlSpace) return DefaultControlSpaceItems(invoke); return null; } if (invoke.Node is TypeOfExpression) { return CreateTypeList(); } var invocationResult = ResolveExpression(invoke); if (invocationResult == null) { return null; } var methodGroup = invocationResult.Item1 as MethodGroupResolveResult; if (methodGroup != null) { return CreateParameterCompletion( methodGroup, invocationResult.Item2, invoke.Node, invoke.Unit, 0, controlSpace ); } if (controlSpace) { return DefaultControlSpaceItems(invoke); } return null; case '=': return controlSpace ? DefaultControlSpaceItems() : null; case ',': int cpos2; if (!GetParameterCompletionCommandOffset(out cpos2)) { return null; } // completionContext = CompletionWidget.CreateCodeCompletionContext (cpos2); // int currentParameter2 = MethodParameterDataProvider.GetCurrentParameterIndex (CompletionWidget, completionContext) - 1; // return CreateParameterCompletion (CreateResolver (), location, ExpressionContext.MethodBody, provider.Methods, currentParameter); break; // Completion on space: case ' ': int tokenIndex = offset; string token = GetPreviousToken(ref tokenIndex, false); if (IsInsideCommentStringOrDirective()) { return null; } // check propose name, for context <variable name> <ctrl+space> (but only in control space context) //IType isAsType = null; var isAsExpression = GetExpressionAt(offset); if (controlSpace && isAsExpression != null && isAsExpression.Node is VariableDeclarationStatement && token != "new") { var parent = isAsExpression.Node as VariableDeclarationStatement; var proposeNameList = new CompletionDataWrapper(this); if (parent.Variables.Count != 1) return DefaultControlSpaceItems(isAsExpression, controlSpace); foreach (var possibleName in GenerateNameProposals (parent.Type)) { if (possibleName.Length > 0) { proposeNameList.Result.Add(factory.CreateLiteralCompletionData(possibleName.ToString())); } } AutoSelect = false; AutoCompleteEmptyMatch = false; return proposeNameList.Result; } // int tokenIndex = offset; // string token = GetPreviousToken (ref tokenIndex, false); // if (result.ExpressionContext == ExpressionContext.ObjectInitializer) { // resolver = CreateResolver (); // ExpressionContext exactContext = new NewCSharpExpressionFinder (dom).FindExactContextForObjectInitializer (document, resolver.Unit, Document.FileName, resolver.CallingType); // IReturnType objectInitializer = ((ExpressionContext.TypeExpressionContext)exactContext).UnresolvedType; // if (objectInitializer != null && objectInitializer.ArrayDimensions == 0 && objectInitializer.PointerNestingLevel == 0 && (token == "{" || token == ",")) // return CreateCtrlSpaceCompletionData (completionContext, result); // } if (token == "=") { int j = tokenIndex; string prevToken = GetPreviousToken(ref j, false); if (prevToken == "=" || prevToken == "+" || prevToken == "-" || prevToken == "!") { token = prevToken + token; tokenIndex = j; } } switch (token) { case "(": case ",": int cpos; if (!GetParameterCompletionCommandOffset(out cpos)) { break; } int currentParameter = GetCurrentParameterIndex(cpos - 1, this.offset) - 1; if (currentParameter < 0) { return null; } invoke = GetInvocationBeforeCursor(token == "("); if (invoke == null) { return null; } invocationResult = ResolveExpression(invoke); if (invocationResult == null) { return null; } methodGroup = invocationResult.Item1 as MethodGroupResolveResult; if (methodGroup != null) { return CreateParameterCompletion( methodGroup, invocationResult.Item2, invoke.Node, invoke.Unit, currentParameter, controlSpace); } return null; case "=": case "==": case "!=": GetPreviousToken(ref tokenIndex, false); var expressionOrVariableDeclaration = GetExpressionAt(tokenIndex); if (expressionOrVariableDeclaration == null) { return null; } resolveResult = ResolveExpression(expressionOrVariableDeclaration); if (resolveResult == null) { return null; } if (resolveResult.Item1.Type.Kind == TypeKind.Enum) { var wrapper = new CompletionDataWrapper(this); AddContextCompletion( wrapper, resolveResult.Item2, expressionOrVariableDeclaration.Node); AddEnumMembers(wrapper, resolveResult.Item1.Type, resolveResult.Item2); AutoCompleteEmptyMatch = false; return wrapper.Result; } // // if (resolvedType.FullName == DomReturnType.Bool.FullName) { // CompletionDataList completionList = new ProjectDomCompletionDataList (); // CompletionDataCollector cdc = new CompletionDataCollector (this, dom, completionList, Document.CompilationUnit, resolver.CallingType, location); // completionList.AutoCompleteEmptyMatch = false; // cdc.Add ("true", "md-keyword"); // cdc.Add ("false", "md-keyword"); // resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc); // return completionList; // } // if (resolvedType.ClassType == ClassType.Delegate && token == "=") { // CompletionDataList completionList = new ProjectDomCompletionDataList (); // string parameterDefinition = AddDelegateHandlers (completionList, resolvedType); // string varName = GetPreviousMemberReferenceExpression (tokenIndex); // completionList.Add (new EventCreationCompletionData (document, varName, resolvedType, null, parameterDefinition, resolver.CallingMember, resolvedType)); // // CompletionDataCollector cdc = new CompletionDataCollector (this, dom, completionList, Document.CompilationUnit, resolver.CallingType, location); // resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc); // foreach (var data in completionList) { // if (data is MemberCompletionData) // ((MemberCompletionData)data).IsDelegateExpected = true; // } // return completionList; // } return null; case "+=": case "-=": GetPreviousToken(ref tokenIndex, false); expressionOrVariableDeclaration = GetExpressionAt(tokenIndex); if (expressionOrVariableDeclaration == null) { return null; } resolveResult = ResolveExpression(expressionOrVariableDeclaration); if (resolveResult == null) { return null; } var mrr = resolveResult.Item1 as MemberResolveResult; if (mrr != null) { var evt = mrr.Member as IEvent; if (evt == null) { return null; } var delegateType = evt.ReturnType; if (delegateType.Kind != TypeKind.Delegate) { return null; } var wrapper = new CompletionDataWrapper(this); if (currentType != null) { // bool includeProtected = DomType.IncludeProtected (dom, typeFromDatabase, resolver.CallingType); foreach (var method in ctx.CurrentTypeDefinition.Methods) { if (MatchDelegate(delegateType, method) /*&& method.IsAccessibleFrom (dom, resolver.CallingType, resolver.CallingMember, includeProtected) &&*/) { wrapper.AddMember(method); // data.SetText (data.CompletionText + ";"); } } } if (token == "+=") { string parameterDefinition = AddDelegateHandlers( wrapper, delegateType ); string varName = GetPreviousMemberReferenceExpression(tokenIndex); wrapper.Result.Add( factory.CreateEventCreationCompletionData( varName, delegateType, evt, parameterDefinition, currentMember, currentType) ); } return wrapper.Result; } return null; case ":": // if (currentMember == null) { token = GetPreviousToken(ref tokenIndex, false); token = GetPreviousToken(ref tokenIndex, false); if (token == "enum") return HandleEnumContext(); var wrapper2 = new CompletionDataWrapper(this); AddTypesAndNamespaces( wrapper2, GetState(), null, t => currentType != null && !currentType.ReflectionName.Equals(t.ReflectionName) ? t : null ); return wrapper2.Result; // } return null; } var keywordCompletion = HandleKeywordCompletion(tokenIndex, token); if (keywordCompletion == null && controlSpace) { goto default; } return keywordCompletion; // Automatic completion default: if (IsInsideCommentStringOrDirective()) { tokenIndex = offset; token = GetPreviousToken(ref tokenIndex, false); if (IsInPreprocessorDirective() && (token.Length == 1 && char.IsLetter(completionChar) || controlSpace)) { while (token != null && document.GetCharAt (tokenIndex - 1) != '#') { token = GetPreviousToken(ref tokenIndex, false); } if (token != null) return HandleKeywordCompletion(tokenIndex, token); } return null; } if (IsInLinqContext(offset)) { if (!controlSpace && !(char.IsLetter(completionChar) || completionChar == '_')) { return null; } tokenIndex = offset; token = GetPreviousToken(ref tokenIndex, false); // token last typed if (!char.IsWhiteSpace(completionChar) && !linqKeywords.Contains(token)) { token = GetPreviousToken(ref tokenIndex, false); } // token last typed if (linqKeywords.Contains(token)) { if (token == "from") { // after from no auto code completion. return null; } return DefaultControlSpaceItems(); } var dataList = new CompletionDataWrapper(this); AddKeywords(dataList, linqKeywords); return dataList.Result; } if (currentType != null && currentType.Kind == TypeKind.Enum) { if (!char.IsLetter(completionChar)) return null; return HandleEnumContext(); } var contextList = new CompletionDataWrapper(this); var identifierStart = GetExpressionAtCursor(); if (!(char.IsLetter(completionChar) || completionChar == '_') && (!controlSpace || identifierStart == null)) { return controlSpace ? HandleAccessorContext() ?? DefaultControlSpaceItems(identifierStart) : null; } if (identifierStart != null) { if (identifierStart.Node is TypeParameterDeclaration) { return null; } if (identifierStart.Node is MemberReferenceExpression) { return HandleMemberReferenceCompletion( new ExpressionResult( ((MemberReferenceExpression)identifierStart.Node).Target, identifierStart.Unit ) ); } if (identifierStart.Node is Identifier) { // May happen in variable names return controlSpace ? DefaultControlSpaceItems(identifierStart) : null; } if (identifierStart.Node is VariableInitializer && location <= ((VariableInitializer)identifierStart.Node).NameToken.EndLocation) { return controlSpace ? HandleAccessorContext() ?? DefaultControlSpaceItems(identifierStart) : null; } if (identifierStart.Node is CatchClause) { if (((CatchClause)identifierStart.Node).VariableNameToken.IsInside(location)) { return null; } } if (identifierStart.Node is AstType && identifierStart.Node.Parent is CatchClause) { return HandleCatchClauseType(identifierStart); } } // Do not pop up completion on identifier identifier (should be handled by keyword completion). tokenIndex = offset - 1; token = GetPreviousToken(ref tokenIndex, false); if (token == "class" || token == "interface" || token == "struct" || token == "enum" || token == "package" || token == "var" || token == "const") { // after these always follows a name return null; } var keywordresult = HandleKeywordCompletion(tokenIndex, token); if (keywordresult != null) { return keywordresult; } char prevCh = offset > 2 ? document.GetCharAt(offset - 2) : ';'; char nextCh = offset < document.TextLength ? document.GetCharAt(offset) : ' '; const string allowedChars = ";,.[](){}+-*/%^?:&|~!<>="; if ((!Char.IsWhiteSpace(nextCh) && allowedChars.IndexOf(nextCh) < 0) || !(Char.IsWhiteSpace(prevCh) || allowedChars.IndexOf(prevCh) >= 0)) { if (controlSpace) return DefaultControlSpaceItems(identifierStart); return null; } int prevTokenIndex = tokenIndex; var prevToken2 = GetPreviousToken(ref prevTokenIndex, false); if (prevToken2 == "function") { // after these always follows a name return null; } if (identifierStart == null && !string.IsNullOrEmpty(token) && !IsInsideCommentStringOrDirective() && (prevToken2 == ";" || prevToken2 == "{" || prevToken2 == "}")) { char last = token [token.Length - 1]; if (char.IsLetterOrDigit(last) || last == '_' || token == ">") { return HandleKeywordCompletion(tokenIndex, token); } } if (identifierStart == null) { var accCtx = HandleAccessorContext(); if (accCtx != null) { return accCtx; } return DefaultControlSpaceItems(null, controlSpace); } CSharpResolver csResolver; AstNode n = identifierStart.Node; if (n.Parent is NamedArgumentExpression) n = n.Parent; if (n != null && n.Parent is AnonymousTypeCreateExpression) { AutoSelect = false; } // new { b$ } if (n is IdentifierExpression && n.Parent is AnonymousTypeCreateExpression) return null; // Handle foreach (type name _ if (n is IdentifierExpression) { var prev = n.GetPrevNode() as ForeachStatement; if (prev != null && prev.InExpression.IsNull) { if (controlSpace) { contextList.AddCustom("in"); return contextList.Result; } return null; } } // Handle object/enumerable initialzer expressions: "new O () { P$" if (n is IdentifierExpression && n.Parent is ArrayInitializerExpression && !(n.Parent.Parent is ArrayCreateExpression)) { var result = HandleObjectInitializer(identifierStart.Unit, n); if (result != null) return result; } if (n != null && n.Parent is InvocationExpression) { var invokeParent = (InvocationExpression)n.Parent; var invokeResult = ResolveExpression( invokeParent.Target ); var mgr = invokeResult != null ? invokeResult.Item1 as MethodGroupResolveResult : null; if (mgr != null) { int idx = 0; foreach (var arg in invokeParent.Arguments) { if (arg == n) { break; } idx++; } foreach (var method in mgr.Methods) { if (idx < method.Parameters.Count && method.Parameters [idx].Type.Kind == TypeKind.Delegate) { AutoSelect = false; AutoCompleteEmptyMatch = false; } foreach (var p in method.Parameters) { contextList.AddNamedParameterVariable(p); } } idx++; foreach (var list in mgr.GetEligibleExtensionMethods (true)) { foreach (var method in list) { if (idx < method.Parameters.Count && method.Parameters [idx].Type.Kind == TypeKind.Delegate) { AutoSelect = false; AutoCompleteEmptyMatch = false; } } } } } if (n != null && n.Parent is ObjectCreateExpression) { var invokeResult = ResolveExpression(n.Parent); var mgr = invokeResult != null ? invokeResult.Item1 as ResolveResult : null; if (mgr != null) { foreach (var constructor in mgr.Type.GetConstructors ()) { foreach (var p in constructor.Parameters) { contextList.AddVariable(p); } } } } if (n is IdentifierExpression) { var bop = n.Parent as BinaryOperatorExpression; Expression evaluationExpr = null; if (bop != null && bop.Right == n && (bop.Operator == BinaryOperatorType.Equality || bop.Operator == BinaryOperatorType.InEquality)) { evaluationExpr = bop.Left; } // check for compare to enum case if (evaluationExpr != null) { resolveResult = ResolveExpression(evaluationExpr); if (resolveResult != null && resolveResult.Item1.Type.Kind == TypeKind.Enum) { var wrapper = new CompletionDataWrapper(this); AddContextCompletion( wrapper, resolveResult.Item2, evaluationExpr ); AddEnumMembers(wrapper, resolveResult.Item1.Type, resolveResult.Item2); AutoCompleteEmptyMatch = false; return wrapper.Result; } } } if (n is Identifier && n.Parent is ForeachStatement) { if (controlSpace) { return DefaultControlSpaceItems(); } return null; } if (n is ArrayInitializerExpression) { // check for new [] {...} expression -> no need to resolve the type there var parent = n.Parent as ArrayCreateExpression; if (parent != null && parent.Type.IsNull) { return DefaultControlSpaceItems(); } var initalizerResult = ResolveExpression(n.Parent); var concreteNode = identifierStart.Unit.GetNodeAt<IdentifierExpression>(location); // check if we're on the right side of an initializer expression if (concreteNode != null && concreteNode.Parent != null && concreteNode.Parent.Parent != null && concreteNode.Identifier != "a" && concreteNode.Parent.Parent is NamedExpression) { return DefaultControlSpaceItems(); } if (initalizerResult != null && initalizerResult.Item1.Type.Kind != TypeKind.Unknown) { foreach (var property in initalizerResult.Item1.Type.GetProperties ()) { if (!property.IsPublic) { continue; } contextList.AddMember(property); } foreach (var field in initalizerResult.Item1.Type.GetFields ()) { if (!field.IsPublic) { continue; } contextList.AddMember(field); } return contextList.Result; } return DefaultControlSpaceItems(); } if (IsAttributeContext(n)) { // add attribute targets if (currentType == null) { contextList.AddCustom("assembly"); contextList.AddCustom("module"); contextList.AddCustom("type"); } else { contextList.AddCustom("param"); contextList.AddCustom("field"); contextList.AddCustom("property"); contextList.AddCustom("method"); contextList.AddCustom("event"); } contextList.AddCustom("return"); } if (n is MemberType) { resolveResult = ResolveExpression( ((MemberType)n).Target ); return CreateTypeAndNamespaceCompletionData( location, resolveResult.Item1, ((MemberType)n).Target, resolveResult.Item2 ); } if (n != null/* && !(identifierStart.Item2 is TypeDeclaration)*/) { csResolver = new CSharpResolver(ctx); var nodes = new List<AstNode>(); nodes.Add(n); if (n.Parent is ICSharpCode.NRefactory.PlayScript.Attribute) { nodes.Add(n.Parent); } var astResolver = CompletionContextProvider.GetResolver(csResolver, identifierStart.Unit); astResolver.ApplyNavigator(new NodeListResolveVisitorNavigator(nodes)); try { csResolver = astResolver.GetResolverStateBefore(n); } catch (Exception) { csResolver = GetState(); } // add attribute properties. if (n.Parent is ICSharpCode.NRefactory.PlayScript.Attribute) { var rr = ResolveExpression(n.Parent); if (rr != null) AddAttributeProperties(contextList, rr.Item1); } } else { csResolver = GetState(); } // identifier has already started with the first letter offset--; AddContextCompletion( contextList, csResolver, identifierStart.Node ); return contextList.Result; // if (stub.Parent is BlockStatement) // result = FindExpression (dom, completionContext, -1); // if (result == null) // return null; // else if (result.ExpressionContext != ExpressionContext.IdentifierExpected) { // triggerWordLength = 1; // bool autoSelect = true; // IType returnType = null; // if ((prevCh == ',' || prevCh == '(') && GetParameterCompletionCommandOffset (out cpos)) { // ctx = CompletionWidget.CreateCodeCompletionContext (cpos); // NRefactoryParameterDataProvider dataProvider = ParameterCompletionCommand (ctx) as NRefactoryParameterDataProvider; // if (dataProvider != null) { // int i = dataProvider.GetCurrentParameterIndex (CompletionWidget, ctx) - 1; // foreach (var method in dataProvider.Methods) { // if (i < method.Parameters.Count) { // returnType = dom.GetType (method.Parameters [i].ReturnType); // autoSelect = returnType == null || returnType.ClassType != ClassType.Delegate; // break; // } // } // } // } // // Bug 677531 - Auto-complete doesn't always highlight generic parameter in method signature // //if (result.ExpressionContext == ExpressionContext.TypeName) // // autoSelect = false; // CompletionDataList dataList = CreateCtrlSpaceCompletionData (completionContext, result); // AddEnumMembers (dataList, returnType); // dataList.AutoSelect = autoSelect; // return dataList; // } else { // result = FindExpression (dom, completionContext, 0); // tokenIndex = offset; // // // check foreach case, unfortunately the expression finder is too dumb to handle full type names // // should be overworked if the expression finder is replaced with a mcs ast based analyzer. // var possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // starting letter // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // varname // // // read return types to '(' token // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // varType // if (possibleForeachToken == ">") { // while (possibleForeachToken != null && possibleForeachToken != "(") { // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // } // } else { // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // ( // if (possibleForeachToken == ".") // while (possibleForeachToken != null && possibleForeachToken != "(") // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // } // possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // foreach // // if (possibleForeachToken == "foreach") { // result.ExpressionContext = ExpressionContext.ForeachInToken; // } else { // return null; // // result.ExpressionContext = ExpressionContext.IdentifierExpected; // } // result.Expression = ""; // result.Region = DomRegion.Empty; // // return CreateCtrlSpaceCompletionData (completionContext, result); // } // break; } return null; }
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Func<IType, IType> typePred = null, Predicate<IMember> memberPred = null, Action<ICompletionData, IType> callback = null) { var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly); if (currentType != null) { for (var ct = ctx.CurrentTypeDefinition; ct != null; ct = ct.DeclaringTypeDefinition) { foreach (var nestedType in ct.GetNestedTypes ()) { if (!lookup.IsAccessible (nestedType.GetDefinition (), true)) continue; if (typePred == null) { wrapper.AddType(nestedType, false, IsAttributeContext(node)); continue; } var type = typePred(nestedType); if (type != null) { var a2 = wrapper.AddType(type, false, IsAttributeContext(node)); if (a2 != null && callback != null) { callback(a2, type); } } continue; } } if (this.currentMember != null && !(node is AstType)) { var def = ctx.CurrentTypeDefinition; if (def == null && currentType != null) def = Compilation.MainAssembly.GetTypeDefinition(currentType.FullTypeName); if (def != null) { bool isProtectedAllowed = true; foreach (var member in def.GetMembers (m => currentMember.IsStatic ? m.IsStatic : true)) { if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") { continue; } if (member.EntityType == EntityType.Operator) { continue; } if (member.IsExplicitInterfaceImplementation) { continue; } if (!lookup.IsAccessible(member, isProtectedAllowed)) { continue; } if (memberPred == null || memberPred(member)) { wrapper.AddMember(member); } } var declaring = def.DeclaringTypeDefinition; while (declaring != null) { foreach (var member in declaring.GetMembers (m => m.IsStatic)) { if (memberPred == null || memberPred(member)) { wrapper.AddMember(member); } } declaring = declaring.DeclaringTypeDefinition; } } } if (ctx.CurrentTypeDefinition != null) { foreach (var p in ctx.CurrentTypeDefinition.TypeParameters) { wrapper.AddTypeParameter(p); } } } var scope = ctx.CurrentUsingScope; for (var n = scope; n != null; n = n.Parent) { foreach (var pair in n.UsingAliases) { wrapper.AddAlias(pair.Key); } foreach (var alias in n.ExternAliases) { wrapper.AddAlias(alias); } foreach (var u in n.Usings) { foreach (var type in u.Types) { if (!lookup.IsAccessible(type, false)) continue; IType addType = typePred != null ? typePred(type) : type; if (addType != null) { var a = wrapper.AddType(addType, false, IsAttributeContext(node)); if (a != null && callback != null) { callback(a, type); } } } } foreach (var type in n.Namespace.Types) { if (!lookup.IsAccessible(type, false)) continue; IType addType = typePred != null ? typePred(type) : type; if (addType != null) { var a2 = wrapper.AddType(addType, false); if (a2 != null && callback != null) { callback(a2, type); } } } foreach (var curNs in n.Namespace.ChildNamespaces) { wrapper.AddNamespace(lookup, curNs); } } if (node is AstType && node.Parent is Constraint) { wrapper.AddCustom ("new()"); } }
void CreateParameterForInvocation(CompletionDataWrapper result, IMethod method, CSharpResolver state, int parameter, HashSet<string> addedEnums, HashSet<string> addedDelegates) { if (method.Parameters.Count <= parameter) { return; } var resolvedType = method.Parameters[parameter].Type; if (resolvedType.Kind == TypeKind.Enum) { if (addedEnums.Contains(resolvedType.ReflectionName)) { return; } addedEnums.Add(resolvedType.ReflectionName); AddEnumMembers(result, resolvedType, state); return; } if (resolvedType.Kind == TypeKind.Delegate) { if (addedDelegates.Contains(resolvedType.ReflectionName)) return; string parameterDefinition = AddDelegateHandlers(result, resolvedType, false); string varName = "Handle" + method.Parameters[parameter].Type.Name + method.Parameters[parameter].Name; result.Result.Add(factory.CreateEventCreationCompletionData(varName, resolvedType, null, parameterDefinition, currentMember, currentType)); } }
/// <summary> /// Returns the type that is referenced; or an <c>UnknownType</c> if the type isn't found. /// </summary> public abstract IType ResolveType(CSharpResolver resolver);
/// <summary> /// Returns the namespace that is referenced; or null if no such namespace is found. /// </summary> public INamespace ResolveNamespace(CSharpResolver resolver) { NamespaceResolveResult nrr = Resolve(resolver) as NamespaceResolveResult; return nrr != null ? nrr.Namespace : null; }
/// <summary> /// Resolves the reference and returns the ResolveResult. /// </summary> public abstract ResolveResult Resolve(CSharpResolver resolver);
static TypeSystemAstBuilder CreateBuilder (MonoDevelop.Ide.Gui.Document doc, int offset, ICompilation compilation) { var ctx = doc.ParsedDocument.ParsedFile.GetTypeResolveContext (doc.Compilation, doc.Editor.Caret.Location) as CSharpTypeResolveContext; var state = new CSharpResolver (ctx); var builder = new TypeSystemAstBuilder (state); builder.AddAnnotations = true; var dt = state.CurrentTypeDefinition; var declaring = ctx.CurrentTypeDefinition != null ? ctx.CurrentTypeDefinition.DeclaringTypeDefinition : null; if (declaring != null) { while (dt != null) { if (dt.Equals (declaring)) { builder.AlwaysUseShortTypeNames = true; break; } dt = dt.DeclaringTypeDefinition; } } return builder; }
public override ResolveResult Resolve(CSharpResolver resolver) { return resolver.ResolveSizeOf(type.Resolve(resolver.CurrentTypeResolveContext)); }
/// <summary> /// Creates a new C# AST resolver. /// Use this overload if you are resolving code snippets (not necessarily complete files). /// </summary> /// <param name="resolver">The resolver state at the root node (to be more precise: just outside the root node).</param> /// <param name="rootNode">The root node of the tree to be resolved.</param> /// <param name="unresolvedFile"> /// Optional: Result of <see cref="SyntaxTree.ToTypeSystem()"/> for the file being resolved. /// <para> /// This is used for setting up the context on the resolver. The unresolved file must be registered in the compilation. /// </para> /// <para> /// When a unresolvedFile 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 unresolvedFile 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, CSharpUnresolvedFile unresolvedFile = null) { if (resolver == null) throw new ArgumentNullException("resolver"); if (rootNode == null) throw new ArgumentNullException("rootNode"); this.initialResolverState = resolver; this.rootNode = rootNode; this.unresolvedFile = unresolvedFile; this.resolveVisitor = new ResolveVisitor(initialResolverState, unresolvedFile); }
void AddEnumMembers(CompletionDataWrapper completionList, IType resolvedType, CSharpResolver state) { if (resolvedType.Kind != TypeKind.Enum) { return; } var type = completionList.AddEnumMembers(resolvedType, state); if (type != null) DefaultCompletionString = type.DisplayText; }
void AddContextCompletion(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node) { int i = offset - 1; var isInGlobalDelegate = node == null && state.CurrentTypeDefinition == null && GetPreviousToken(ref i, true) == "delegate"; if (state != null && !(node is AstType)) { foreach (var variable in state.LocalVariables) { if (variable.Region.IsInside(location.Line, location.Column - 1)) { continue; } wrapper.AddVariable(variable); } } if (state.CurrentMember is IParameterizedMember && !(node is AstType)) { var param = (IParameterizedMember)state.CurrentMember; foreach (var p in param.Parameters) { wrapper.AddVariable(p); } } if (state.CurrentMember is IMethod) { var method = (IMethod)state.CurrentMember; foreach (var p in method.TypeParameters) { wrapper.AddTypeParameter(p); } } Func<IType, IType> typePred = null; if (IsAttributeContext(node)) { var attribute = Compilation.FindType(KnownTypeCode.Attribute); typePred = t => { return t.GetAllBaseTypeDefinitions().Any(bt => bt.Equals(attribute)) ? t : null; }; } if (node != null && !(node is NamespaceDeclaration) || state.CurrentTypeDefinition != null || isInGlobalDelegate) { AddTypesAndNamespaces(wrapper, state, node, typePred); wrapper.Result.Add(factory.CreateLiteralCompletionData("global")); } if (!(node is AstType)) { if (currentMember != null || node is Expression) { AddKeywords(wrapper, statementStartKeywords); AddKeywords(wrapper, expressionLevelKeywords); if (node == null || node is TypeDeclaration) AddKeywords(wrapper, typeLevelKeywords); } else if (currentType != null) { AddKeywords(wrapper, typeLevelKeywords); } else { if (!isInGlobalDelegate && !(node is Attribute) ) AddKeywords(wrapper, globalLevelKeywords); } var prop = currentMember as IUnresolvedProperty; if (prop != null && prop.Setter != null && prop.Setter.Region.IsInside(location)) { wrapper.AddCustom("value"); } if (currentMember is IUnresolvedEvent) { wrapper.AddCustom("value"); } if (IsInSwitchContext(node)) { wrapper.AddCustom("case"); } } else { if (((AstType)node).Parent is ParameterDeclaration) { AddKeywords(wrapper, parameterTypePredecessorKeywords); } } if (node != null || state.CurrentTypeDefinition != null || isInGlobalDelegate) AddKeywords(wrapper, primitiveTypesKeywords); if (currentMember != null && (node is IdentifierExpression || node is SimpleType) && (node.Parent is ExpressionStatement || node.Parent is ForeachStatement || node.Parent is UsingStatement)) { wrapper.AddCustom("var"); wrapper.AddCustom("dynamic"); } wrapper.Result.AddRange(factory.CreateCodeTemplateCompletionData()); if (node != null && node.Role == Roles.Argument) { var resolved = ResolveExpression(node.Parent); var invokeResult = resolved != null ? resolved.Item1 as CSharpInvocationResolveResult : null; if (invokeResult != null) { int argNum = 0; foreach (var arg in node.Parent.Children.Where (c => c.Role == Roles.Argument)) { if (arg == node) { break; } argNum++; } var param = argNum < invokeResult.Member.Parameters.Count ? invokeResult.Member.Parameters [argNum] : null; if (param != null && param.Type.Kind == TypeKind.Enum) { AddEnumMembers(wrapper, param.Type, state); } } } if (node is Expression) { var root = node; while (root.Parent != null) root = root.Parent; var astResolver = CompletionContextProvider.GetResolver(state, root); foreach (var type in CreateFieldAction.GetValidTypes(astResolver, (Expression)node)) { if (type.Kind == TypeKind.Enum) { AddEnumMembers(wrapper, type, state); } else if (type.Kind == TypeKind.Delegate) { AddDelegateHandlers(wrapper, type, false, true); AutoSelect = false; AutoCompleteEmptyMatch = false; } } } // Add 'this' keyword for first parameter (extension method case) if (node != null && node.Parent is ParameterDeclaration && node.Parent.PrevSibling != null && node.Parent.PrevSibling.Role == Roles.LPar) { wrapper.AddCustom("this"); } }
public override ResolveResult Resolve(CSharpResolver resolver) { return resolver.ResolveConditional( condition.Resolve(resolver), trueExpr.Resolve(resolver), falseExpr.Resolve(resolver) ); }
IEnumerable<ICompletionData> CreateTypeAndNamespaceCompletionData(TextLocation location, ResolveResult resolveResult, AstNode resolvedNode, CSharpResolver state) { if (resolveResult == null || resolveResult.IsError) { return null; } var exprParent = resolvedNode.GetParent<Expression>(); var unit = exprParent != null ? exprParent.GetParent<SyntaxTree>() : null; var astResolver = unit != null ? CompletionContextProvider.GetResolver(state, unit) : null; IType hintType = exprParent != null && astResolver != null ? CreateFieldAction.GetValidTypes(astResolver, exprParent) .FirstOrDefault() : null; var result = new CompletionDataWrapper(this); var lookup = new MemberLookup( ctx.CurrentTypeDefinition, Compilation.MainAssembly ); if (resolveResult is NamespaceResolveResult) { var nr = (NamespaceResolveResult)resolveResult; if (!(resolvedNode.Parent is UsingDeclaration || resolvedNode.Parent != null && resolvedNode.Parent.Parent is UsingDeclaration)) { foreach (var cl in nr.Namespace.Types) { if (hintType != null && hintType.Kind != TypeKind.Array && cl.Kind == TypeKind.Interface) { continue; } if (!lookup.IsAccessible (cl, false)) continue; result.AddType(cl, false, IsAttributeContext(resolvedNode)); } } foreach (var ns in nr.Namespace.ChildNamespaces) { result.AddNamespace(lookup, ns); } } else if (resolveResult is TypeResolveResult) { var type = resolveResult.Type; foreach (var nested in type.GetNestedTypes ()) { if (hintType != null && hintType.Kind != TypeKind.Array && nested.Kind == TypeKind.Interface) { continue; } var def = nested.GetDefinition(); if (def != null && !lookup.IsAccessible (def, false)) continue; result.AddType(nested, false); } } return result.Result; }
public override ResolveResult Resolve(CSharpResolver resolver) { return resolver.ResolveAlias(identifier); }
IEnumerable<ICompletionData> CreateParameterCompletion(MethodGroupResolveResult resolveResult, CSharpResolver state, AstNode invocation, SyntaxTree unit, int parameter, bool controlSpace) { var result = new CompletionDataWrapper(this); var addedEnums = new HashSet<string>(); var addedDelegates = new HashSet<string>(); foreach (var method in resolveResult.Methods) { CreateParameterForInvocation(result, method, state, parameter, addedEnums, addedDelegates); } foreach (var methods in resolveResult.GetEligibleExtensionMethods (true)) { foreach (var method in methods) { if (resolveResult.Methods.Contains (method)) continue; CreateParameterForInvocation(result, new ReducedExtensionMethod (method), state, parameter, addedEnums, addedDelegates); } } foreach (var method in resolveResult.Methods) { if (parameter < method.Parameters.Count && method.Parameters [parameter].Type.Kind == TypeKind.Delegate) { AutoSelect = false; AutoCompleteEmptyMatch = false; } foreach (var p in method.Parameters) { result.AddNamedParameterVariable(p); } } if (!controlSpace) { if (addedEnums.Count + addedDelegates.Count == 0) { return Enumerable.Empty<ICompletionData>(); } AutoCompleteEmptyMatch = false; AutoSelect = false; } AddContextCompletion(result, state, invocation); // resolver.AddAccessibleCodeCompletionData (ExpressionContext.MethodBody, cdc); // if (addedDelegates.Count > 0) { // foreach (var data in result.Result) { // if (data is MemberCompletionData) // ((MemberCompletionData)data).IsDelegateExpected = true; // } // } return result.Result; }
public override IType ResolveType(CSharpResolver resolver) { // alias cannot refer to types return SpecialType.UnknownType; }
IEnumerable<ICompletionData> CreateCompletionData(TextLocation location, ResolveResult resolveResult, AstNode resolvedNode, CSharpResolver state, Func<IType, IType> typePred = null) { if (resolveResult == null /*|| resolveResult.IsError*/) { return null; } var lookup = new MemberLookup( ctx.CurrentTypeDefinition, Compilation.MainAssembly ); if (resolveResult is NamespaceResolveResult) { var nr = (NamespaceResolveResult)resolveResult; var namespaceContents = new CompletionDataWrapper(this); foreach (var cl in nr.Namespace.Types) { if (!lookup.IsAccessible(cl, false)) continue; IType addType = typePred != null ? typePred(cl) : cl; if (addType != null) namespaceContents.AddType(addType, false); } foreach (var ns in nr.Namespace.ChildNamespaces) { namespaceContents.AddNamespace(lookup, ns); } return namespaceContents.Result; } IType type = resolveResult.Type; if (type.Namespace == "System" && type.Name == "Void") return null; if (resolvedNode.Parent is PointerReferenceExpression && (type is PointerType)) { resolveResult = new OperatorResolveResult (((PointerType)type).ElementType, System.Linq.Expressions.ExpressionType.Extension, resolveResult); } //var typeDef = resolveResult.Type.GetDefinition(); var result = new CompletionDataWrapper(this); bool includeStaticMembers = false; if (resolveResult is LocalResolveResult) { if (resolvedNode is IdentifierExpression) { var mrr = (LocalResolveResult)resolveResult; includeStaticMembers = mrr.Variable.Name == mrr.Type.Name; } } if (resolveResult is TypeResolveResult && type.Kind == TypeKind.Enum) { foreach (var field in type.GetFields ()) { if (!lookup.IsAccessible(field, false)) continue; result.AddMember(field); } return result.Result; } bool isProtectedAllowed = resolveResult is ThisResolveResult ? true : lookup.IsProtectedAccessAllowed(type); bool skipNonStaticMembers = (resolveResult is TypeResolveResult); if (resolveResult is MemberResolveResult && resolvedNode is IdentifierExpression) { var mrr = (MemberResolveResult)resolveResult; includeStaticMembers = mrr.Member.Name == mrr.Type.Name; TypeResolveResult trr; if (state.IsVariableReferenceWithSameType( resolveResult, ((IdentifierExpression)resolvedNode).Identifier, out trr )) { if (currentMember != null && mrr.Member.IsStatic ^ currentMember.IsStatic) { skipNonStaticMembers = true; if (trr.Type.Kind == TypeKind.Enum) { foreach (var field in trr.Type.GetFields ()) { if (lookup.IsAccessible (field, false)) result.AddMember(field); } return result.Result; } } } // ADD Aliases var scope = ctx.CurrentUsingScope; for (var n = scope; n != null; n = n.Parent) { foreach (var pair in n.UsingAliases) { if (pair.Key == mrr.Member.Name) { foreach (var r in CreateCompletionData (location, pair.Value, resolvedNode, state)) { if (r is IEntityCompletionData && ((IEntityCompletionData)r).Entity is IMember) { result.AddMember((IMember)((IEntityCompletionData)r).Entity); } else { result.Add(r); } } } } } } if (resolveResult is TypeResolveResult && (resolvedNode is IdentifierExpression || resolvedNode is MemberReferenceExpression)) { includeStaticMembers = true; } // Console.WriteLine ("type:" + type +"/"+type.GetType ()); // Console.WriteLine ("current:" + ctx.CurrentTypeDefinition); // Console.WriteLine ("IS PROT ALLOWED:" + isProtectedAllowed + " static: "+ includeStaticMembers); // Console.WriteLine (resolveResult); // Console.WriteLine ("node:" + resolvedNode); // Console.WriteLine (currentMember != null ? currentMember.IsStatic : "currentMember == null"); if (resolvedNode.Annotation<ObjectCreateExpression>() == null) { //tags the created expression as part of an object create expression. /* var filteredList = new List<IMember>(); foreach (var member in type.GetMembers ()) { filteredList.Add(member); } foreach (var member in filteredList) { // Console.WriteLine ("add:" + member + "/" + member.IsStatic); result.AddMember(member); }*/ foreach (var member in lookup.GetAccessibleMembers (resolveResult)) { if (member.EntityType == EntityType.Indexer || member.EntityType == EntityType.Operator || member.EntityType == EntityType.Constructor || member.EntityType == EntityType.Destructor) { continue; } if (resolvedNode is BaseReferenceExpression && member.IsAbstract) { continue; } if (member is IType) { if (resolveResult is TypeResolveResult || includeStaticMembers) { if (!lookup.IsAccessible(member, isProtectedAllowed)) continue; result.AddType((IType)member, false); continue; } } bool memberIsStatic = member.IsStatic; if (!includeStaticMembers && memberIsStatic && !(resolveResult is TypeResolveResult)) { // Console.WriteLine ("skip static member: " + member.FullName); continue; } var field = member as IField; if (field != null) { memberIsStatic |= field.IsConst; } if (!memberIsStatic && skipNonStaticMembers) { continue; } if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") { continue; } if (member.EntityType == EntityType.Operator) { continue; } if (member is IMember) { result.AddMember ((IMember)member); } } } if (!(resolveResult is TypeResolveResult || includeStaticMembers)) { foreach (var meths in state.GetExtensionMethods (type)) { foreach (var m in meths) { if (!lookup.IsAccessible(m, isProtectedAllowed)) continue; result.AddMember(new ReducedExtensionMethod (m)); } } } // IEnumerable<object> objects = resolveResult.CreateResolveResult (dom, resolver != null ? resolver.CallingMember : null); // CompletionDataCollector col = new CompletionDataCollector (this, dom, result, Document.CompilationUnit, resolver != null ? resolver.CallingType : null, location); // col.HideExtensionParameter = !resolveResult.StaticResolve; // col.NamePrefix = expressionResult.Expression; // bool showOnlyTypes = expressionResult.Contexts.Any (ctx => ctx == ExpressionContext.InheritableType || ctx == ExpressionContext.Constraints); // if (objects != null) { // foreach (object obj in objects) { // if (expressionResult.ExpressionContext != null && expressionResult.ExpressionContext.FilterEntry (obj)) // continue; // if (expressionResult.ExpressionContext == ExpressionContext.NamespaceNameExcepted && !(obj is Namespace)) // continue; // if (showOnlyTypes && !(obj is IType)) // continue; // CompletionData data = col.Add (obj); // if (data != null && expressionResult.ExpressionContext == ExpressionContext.Attribute && data.CompletionText != null && data.CompletionText.EndsWith ("Attribute")) { // string newText = data.CompletionText.Substring (0, data.CompletionText.Length - "Attribute".Length); // data.SetText (newText); // } // } // } return result.Result; }
public CSharpAstResolver GetResolver (CSharpResolver resolver, AstNode rootNode) { return new CSharpAstResolver (resolver, rootNode, unresolvedFile); }
public ICompletionData AddEnumMembers (IType resolvedType, CSharpResolver state) { if (addedEnums.Contains (resolvedType)) return null; addedEnums.Add (resolvedType); var result = AddType(resolvedType, true); foreach (var field in resolvedType.GetFields ()) { if (field.IsPublic && (field.IsConst || field.IsStatic)) { Result.Add(Factory.CreateMemberCompletionData(resolvedType, field)); } } return result; }
IList<ResolveResult> GetArgumentsWithConversions(ResolveResult targetResolveResult, IParameterizedMember bestCandidateForNamedArguments) { var conversions = this.ArgumentConversions; ResolveResult[] args = new ResolveResult[arguments.Length]; for (int i = 0; i < args.Length; i++) { var argument = arguments[i]; if (this.IsExtensionMethodInvocation && i == 0 && targetResolveResult != null) argument = targetResolveResult; int parameterIndex = bestCandidate.ArgumentToParameterMap[i]; if (parameterIndex >= 0 && conversions[i] != Conversion.IdentityConversion) { // Wrap argument in ConversionResolveResult IType parameterType = bestCandidate.ParameterTypes[parameterIndex]; if (parameterType.Kind != TypeKind.Unknown) { if (arguments[i].IsCompileTimeConstant && conversions[i] != Conversion.None) { argument = new CSharpResolver(compilation).WithCheckForOverflow(CheckForOverflow).ResolveCast(parameterType, argument); } else { argument = new ConversionResolveResult(parameterType, argument, conversions[i], CheckForOverflow); } } } if (bestCandidateForNamedArguments != null && argumentNames[i] != null) { // Wrap argument in NamedArgumentResolveResult if (parameterIndex >= 0) { argument = new NamedArgumentResolveResult(bestCandidateForNamedArguments.Parameters[parameterIndex], argument, bestCandidateForNamedArguments); } else { argument = new NamedArgumentResolveResult(argumentNames[i], argument); } } args[i] = argument; } return args; }