public override object VisitIdentifierExpression(IdentifierExpression identifierExpression, object data) { if (identifierExpression.TypeArguments != null && identifierExpression.TypeArguments.Count > 0) { if (resolver.CallingType != null) { foreach (var type in resolver.Dom.GetInheritanceTree(resolver.CallingType)) { IMethod possibleMethod = type.Methods.Where(m => m.Name == identifierExpression.Identifier && m.TypeParameters.Count == identifierExpression.TypeArguments.Count && m.IsAccessibleFrom(resolver.Dom, resolver.CallingType, resolver.CallingMember, true)).FirstOrDefault(); if (possibleMethod != null) { MethodResolveResult methodResolveResult = new MethodResolveResult(possibleMethod); methodResolveResult.CallingType = resolver.CallingType; methodResolveResult.CallingMember = resolver.CallingMember; identifierExpression.TypeArguments.ForEach(arg => methodResolveResult.AddGenericArgument(resolver.ResolveType(arg.ConvertToReturnType()))); methodResolveResult.ResolveExtensionMethods(); return(methodResolveResult); } } } TypeReference reference = new TypeReference(identifierExpression.Identifier); reference.GenericTypes.AddRange(identifierExpression.TypeArguments); ResolveResult result = CreateResult(reference); result.StaticResolve = true; return(result); } // Console.WriteLine ("visit id: " + identifierExpression.Identifier); var res = resolver.ResolveIdentifier(this, identifierExpression.Identifier.TrimEnd('.')); // Console.WriteLine ("result: " + res); return(res); }
internal ResolveResult ResolveLambda(ResolveVisitor visitor, Expression lambdaExpression) { if (expressions.Contains(lambdaExpression)) { return(null); } expressions.Add(lambdaExpression); if (lambdaExpression.Parent is LambdaExpression) { return(ResolveLambda(visitor, lambdaExpression.Parent as Expression)); } if (lambdaExpression.Parent is ParenthesizedExpression) { return(ResolveLambda(visitor, lambdaExpression.Parent as Expression)); } if (lambdaExpression.Parent is AssignmentExpression) { return(visitor.Resolve(((AssignmentExpression)lambdaExpression.Parent).Left)); } if (lambdaExpression.Parent is CastExpression) { return(visitor.Resolve(((CastExpression)lambdaExpression.Parent))); } if (lambdaExpression.Parent is VariableDeclaration) { VariableDeclaration varDec = (VariableDeclaration)lambdaExpression.Parent; return(resolver.GetFunctionParameterType(resolver.ResolveIdentifier(visitor, varDec.Name))); } if (lambdaExpression.Parent is InvocationExpression) { LambdaExpression lambda = (LambdaExpression)lambdaExpression; ResolveResult lambdaReturnType = null; if (!lambda.ExpressionBody.IsNull) { DomLocation old = resolver.resolvePosition; try { resolver.resolvePosition = new DomLocation((resolver.CallingMember != null ? resolver.CallingMember.Location.Line : 0) + lambda.ExpressionBody.StartLocation.Line - 2, lambda.ExpressionBody.StartLocation.Column - 1); lambdaReturnType = visitor.Resolve(lambda.ExpressionBody); } finally { resolver.resolvePosition = old; } } InvocationExpression invocation = (InvocationExpression)lambdaExpression.Parent; MethodResolveResult result = visitor.Resolve(invocation.TargetObject) as MethodResolveResult; if (result == null) { MonoDevelop.Core.LoggingService.LogWarning("No compatible method found :" + invocation.TargetObject); return(null); } result.ResolveExtensionMethods(); for (int i = 0; i < invocation.Arguments.Count; i++) { if (invocation.Arguments[i] == lambdaExpression && i < result.MostLikelyMethod.Parameters.Count) { IParameter parameter = result.MostLikelyMethod.Parameters[i]; IReturnType returnType = parameter.ReturnType; IType type = resolver.Dom.GetType(returnType); bool isResolved = false; if (type != null && type.ClassType == MonoDevelop.Projects.Dom.ClassType.Delegate) { IMethod invocationMethod = type.Methods.First(); if (invocationMethod.Parameters.Count > 0) { if (lambdaReturnType == null || lambdaReturnType.ResolvedType == null || string.IsNullOrEmpty(lambdaReturnType.ResolvedType.FullName)) { returnType = invocationMethod.Parameters[System.Math.Min(i, invocationMethod.Parameters.Count - 1)].ReturnType; } else { returnType = (IReturnType) new TypeReplaceVisitor(invocationMethod.ReturnType, lambdaReturnType.ResolvedType).Visit(returnType, null); } isResolved = true; } } if (!isResolved) { while (returnType.GenericArguments.Count > 0) { returnType = returnType.GenericArguments[0]; } } string invariantString = returnType.ToInvariantString(); if (returnTypeDictionary.ContainsKey(invariantString)) { return(returnTypeDictionary[invariantString]); } ResolveResult createdResult = visitor.CreateResult(returnType); // if (!(returnType.Type is AnonymousType)) returnTypeDictionary[invariantString] = createdResult; return(createdResult); } } if (lambdaReturnType != null && !string.IsNullOrEmpty(lambdaReturnType.ResolvedType.FullName)) { return(lambdaReturnType); } foreach (Expression arg in invocation.Arguments) { var argType = arg is LambdaExpression ? DomReturnType.Void : visitor.GetTypeSafe(arg); result.AddArgument(argType); } result.ResolveExtensionMethods(); //Console.WriteLine ("maybe method:" + result.MostLikelyMethod); for (int i = 0; i < invocation.Arguments.Count; i++) { if (invocation.Arguments [i] == lambdaExpression && i < result.MostLikelyMethod.Parameters.Count) { IParameter parameterType = result.MostLikelyMethod.Parameters [i]; //Console.WriteLine (i + " par: " + parameterType); if (parameterType.ReturnType.Name == "Func" && parameterType.ReturnType.GenericArguments.Count > 0) { return(visitor.CreateResult(parameterType.ReturnType.GenericArguments[0])); } } } return(result); } if (lambdaExpression.Parent is ObjectCreateExpression) { ObjectCreateExpression objectCreateExpression = (ObjectCreateExpression)lambdaExpression.Parent; int index = objectCreateExpression.Parameters.IndexOf(lambdaExpression); if (index < 0) { return(null); } MemberResolveResult resolvedCreateExpression = visitor.Resolve(objectCreateExpression) as MemberResolveResult; if (resolvedCreateExpression != null) { IMethod method = resolvedCreateExpression.ResolvedMember as IMethod; if (method != null && index < method.Parameters.Count) { return(new ParameterResolveResult(method.Parameters[index])); } else { return(null); } } } return(null); }