IEnumerable<ICompletionData> MagicKeyCompletion(char completionChar, bool controlSpace, out bool isComplete) { isComplete = false; ExpressionResolveResult resolveResult; switch (completionChar) { // Magic key completion case ':': var text = GetMemberTextToCaret(); var lexer = new MiniLexer(text.Item1); lexer.Parse(); if (lexer.IsInSingleComment || lexer.IsInChar || lexer.IsInMultiLineComment || lexer.IsInPreprocessorDirective) { return Enumerable.Empty<ICompletionData>(); } if (lexer.IsInString || lexer.IsInVerbatimString) return HandleStringFormatItems(); return HandleMemberReferenceCompletion(GetExpressionBeforeCursor()); case '"': text = GetMemberTextToCaret(); lexer = new MiniLexer(text.Item1); lexer.Parse(); if (lexer.IsInSingleComment || lexer.IsInChar || lexer.IsInMultiLineComment || lexer.IsInPreprocessorDirective) { return Enumerable.Empty<ICompletionData>(); } if (lexer.IsInString || lexer.IsInVerbatimString) return HandleToStringFormatItems(); return Enumerable.Empty<ICompletionData>(); 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(ref isComplete); } 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(ref isComplete, invoke); return null; } if (invoke.Node is TypeOfExpression) { return CreateTypeList(); } var invocationResult = ResolveExpression(invoke); if (invocationResult == null) { return null; } var methodGroup = invocationResult.Result as MethodGroupResolveResult; if (methodGroup != null) { return CreateParameterCompletion( methodGroup, invocationResult.Resolver, invoke.Node, invoke.Unit, 0, controlSpace ); } if (controlSpace) { return DefaultControlSpaceItems(ref isComplete, invoke); } return null; case '=': return controlSpace ? DefaultControlSpaceItems(ref isComplete) : 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(ref isComplete, isAsExpression, controlSpace); foreach (var possibleName in GenerateNameProposals (parent.Type)) { if (possibleName.Length > 0) { proposeNameList.Result.Add(factory.CreateLiteralCompletionData(possibleName.ToString())); } } AutoSelect = false; AutoCompleteEmptyMatch = false; isComplete = true; 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.Result as MethodGroupResolveResult; if (methodGroup != null) { return CreateParameterCompletion( methodGroup, invocationResult.Resolver, 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.Result.Type.Kind == TypeKind.Enum) { var wrapper = new CompletionDataWrapper(this); AddContextCompletion( wrapper, resolveResult.Resolver, expressionOrVariableDeclaration.Node); AddEnumMembers(wrapper, resolveResult.Result.Type, resolveResult.Resolver); 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.Result 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 wrapper = new CompletionDataWrapper(this); AddTypesAndNamespaces( wrapper, GetState(), null, t => { if (currentType != null && currentType.ReflectionName.Equals(t.ReflectionName)) return null; var def = t.GetDefinition(); if (def != null && t.Kind != TypeKind.Interface && (def.IsSealed ||def.IsStatic)) return null; return t; } ); return wrapper.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; } 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 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(ref isComplete); } 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(ref isComplete, 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) { if (identifierStart.Node.Parent is GotoStatement) return null; // May happen in variable names return controlSpace ? DefaultControlSpaceItems(ref isComplete, identifierStart) : null; } if (identifierStart.Node is VariableInitializer && location <= ((VariableInitializer)identifierStart.Node).NameToken.EndLocation) { return controlSpace ? HandleAccessorContext() ?? DefaultControlSpaceItems(ref isComplete, 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); } var pDecl = identifierStart.Node as ParameterDeclaration; if (pDecl != null && pDecl.Parent is LambdaExpression) { return null; } } // 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 == "namespace") { // after these always follows a name return null; } var keywordresult = HandleKeywordCompletion(tokenIndex, token); if (keywordresult != null) { return keywordresult; } if ((!Char.IsWhiteSpace(nextCh) && allowedChars.IndexOf(nextCh) < 0) || !(Char.IsWhiteSpace(prevCh) || allowedChars.IndexOf(prevCh) >= 0)) { if (controlSpace) return DefaultControlSpaceItems(ref isComplete, identifierStart); } int prevTokenIndex = tokenIndex; var prevToken2 = GetPreviousToken(ref prevTokenIndex, false); if (prevToken2 == "delegate") { // 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(ref isComplete, 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; while (prev != null && prev.EmbeddedStatement is ForeachStatement) prev = (ForeachStatement)prev.EmbeddedStatement; if (prev != null && prev.InExpression.IsNull) { if (IncludeKeywordsInCompletionList) contextList.AddCustom("in"); return contextList.Result; } } // 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 || n.Parent is ParenthesizedExpression && n.Parent.Parent is InvocationExpression) { if (n.Parent is ParenthesizedExpression) n = n.Parent; var invokeParent = (InvocationExpression)n.Parent; var invokeResult = ResolveExpression( invokeParent.Target ); var mgr = invokeResult != null ? invokeResult.Result 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.Result 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.Result.Type.Kind == TypeKind.Enum) { var wrapper = new CompletionDataWrapper(this); AddContextCompletion( wrapper, resolveResult.Resolver, evaluationExpr ); AddEnumMembers(wrapper, resolveResult.Result.Type, resolveResult.Resolver); AutoCompleteEmptyMatch = false; return wrapper.Result; } } } if (n is Identifier && n.Parent is ForeachStatement) { if (controlSpace) { return DefaultControlSpaceItems(ref isComplete); } 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(ref isComplete); } 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(ref isComplete); } if (initalizerResult != null && initalizerResult.Result.Type.Kind != TypeKind.Unknown) { foreach (var property in initalizerResult.Result.Type.GetProperties ()) { if (!property.IsPublic) { continue; } var data = contextList.AddMember(property); if (data != null) data.DisplayFlags |= DisplayFlags.NamedArgument; } foreach (var field in initalizerResult.Result.Type.GetFields ()) { if (!field.IsPublic) { continue; } var data = contextList.AddMember(field); if (data != null) data.DisplayFlags |= DisplayFlags.NamedArgument; } return contextList.Result; } return DefaultControlSpaceItems(ref isComplete); } 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.Result, ((MemberType)n).Target, resolveResult.Resolver ); } 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.CSharp.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.CSharp.Attribute) { var rr = ResolveExpression(n.Parent); if (rr != null) AddAttributeProperties(contextList, rr.Result); } } 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 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 => t.GetAllBaseTypeDefinitions().Any(bt => bt.Equals(attribute)) ? t : null; } if (node != null && node.Role == Roles.BaseType) { typePred = t => { var def = t.GetDefinition(); if (def != null && t.Kind != TypeKind.Interface && (def.IsSealed || def.IsStatic)) return null; return t; }; } 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); if (LanguageVersion.Major >= 5) AddKeywords(wrapper, new [] { "await" }); 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)) { if (IncludeKeywordsInCompletionList) 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)) { if (IncludeKeywordsInCompletionList) { 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.Result 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 TypeGuessing.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 && IncludeKeywordsInCompletionList) { wrapper.AddCustom("this"); } }
void AddContextCompletion(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, CompilationUnit unit) { 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 (currentMember is IUnresolvedParameterizedMember && !(node is AstType)) { var param = (IParameterizedMember)currentMember.CreateResolved(ctx); foreach (var p in param.Parameters) { wrapper.AddVariable(p); } } if (currentMember is IUnresolvedMethod) { var method = (IUnresolvedMethod)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; }; } 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 is TypeDeclaration) AddKeywords(wrapper, typeLevelKeywords); } else if (currentType != null) { AddKeywords(wrapper, typeLevelKeywords); } else { 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); } } AddKeywords(wrapper, primitiveTypesKeywords); if (currentMember != null) { wrapper.AddCustom("var"); } wrapper.Result.AddRange(factory.CreateCodeTemplateCompletionData()); if (node != null && node.Role == Roles.Argument) { var resolved = ResolveExpression(node.Parent, unit); 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 astResolver = new CSharpAstResolver(state, unit, CSharpParsedFile); 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, true, 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"); } }
void AddContextCompletion(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node) { if (state != null) { foreach (var variable in state.LocalVariables) { wrapper.AddVariable (variable); } } if (currentMember is IUnresolvedParameterizedMember) { var param = (IParameterizedMember)currentMember.CreateResolved (ctx); foreach (var p in param.Parameters) { wrapper.AddVariable (p); } } if (currentMember is IUnresolvedMethod) { var method = (IUnresolvedMethod)currentMember; foreach (var p in method.TypeParameters) { wrapper.AddTypeParameter (p); } } Predicate<IType> typePred = null; if (node is Attribute) { var attribute = Compilation.FindType (typeof(System.Attribute)); typePred = t => { return t.GetAllBaseTypeDefinitions ().Any (bt => bt.Equals (attribute)); }; } AddTypesAndNamespaces (wrapper, state, node, typePred); wrapper.Result.Add (factory.CreateLiteralCompletionData ("global")); if (currentMember != null) { AddKeywords (wrapper, statementStartKeywords); AddKeywords (wrapper, expressionLevelKeywords); } else if (currentType != null) { AddKeywords (wrapper, typeLevelKeywords); } else { 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"); wrapper.AddCustom ("default"); } AddKeywords (wrapper, primitiveTypesKeywords); wrapper.Result.AddRange (factory.CreateCodeTemplateCompletionData ()); if (node.Role == AstNode.Roles.Argument) { var resolved = ResolveExpression (CSharpParsedFile, node.Parent, Unit); 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 == AstNode.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); } } } }
IEnumerable<ICompletionData> MagicKeyCompletion (char completionChar, bool controlSpace) { switch (completionChar) { // Magic key completion case ':': case '.': if (IsInsideCommentOrString ()) return Enumerable.Empty<ICompletionData> (); var expr = GetExpressionBeforeCursor (); if (expr == null) return null; // do not complete <number>. (but <number>.<number>.) if (expr.Item2 is PrimitiveExpression) { var pexpr = (PrimitiveExpression)expr.Item2; if (!(pexpr.Value is string || pexpr.Value is char) && !pexpr.LiteralValue.Contains ('.')) return null; } var resolveResult = ResolveExpression (expr.Item1, expr.Item2, expr.Item3); if (resolveResult == null) return null; if (expr.Item2 is AstType) return CreateTypeAndNamespaceCompletionData (location, resolveResult.Item1, expr.Item2, resolveResult.Item2); return CreateCompletionData (location, resolveResult.Item1, expr.Item2, resolveResult.Item2); case '#': if (IsInsideCommentOrString ()) return null; return GetDirectiveCompletionData (); // XML doc completion case '<': if (IsInsideDocComment ()) return GetXmlDocumentationCompletionData (); if (controlSpace) return DefaultControlSpaceItems (); return null; case '>': if (!IsInsideDocComment ()) return null; string lineText = document.GetText (document.GetLineByNumber (location.Line)); int startIndex = Math.Min (location.Column - 1, lineText.Length - 1); while (startIndex >= 0 && lineText [startIndex] != '<') { --startIndex; if (lineText [startIndex] == '/') { // already closed. startIndex = -1; break; } } if (startIndex >= 0) { int endIndex = startIndex; while (endIndex <= location.Column && endIndex < lineText.Length && !Char.IsWhiteSpace (lineText [endIndex])) { endIndex++; } string tag = endIndex - startIndex - 1 > 0 ? lineText.Substring (startIndex + 1, endIndex - startIndex - 2) : null; if (!string.IsNullOrEmpty (tag) && commentTags.IndexOf (tag) >= 0) document.Insert (offset, "</" + tag + ">"); } return null; // Parameter completion case '(': if (IsInsideCommentOrString ()) return null; var invoke = GetInvocationBeforeCursor (true); if (invoke == null) return null; if (invoke.Item2 is TypeOfExpression) return CreateTypeList (); var invocationResult = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3); if (invocationResult == null) return null; var methodGroup = invocationResult.Item1 as MethodGroupResolveResult; if (methodGroup != null) return CreateParameterCompletion (methodGroup, invocationResult.Item2, invoke.Item2, 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 ' ': if (IsInsideCommentOrString ()) return null; int tokenIndex = offset; string token = GetPreviousToken (ref tokenIndex, false); // 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.Item2 is VariableDeclarationStatement && token != "new") { var parent = isAsExpression.Item2 as VariableDeclarationStatement; var proposeNameList = new CompletionDataWrapper (this); 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 == "-") { token = prevToken + token; tokenIndex = j; } } switch (token) { case "(": case ",": int cpos; if (!GetParameterCompletionCommandOffset (out cpos)) break; int currentParameter = GetCurrentParameterIndex (cpos, 0) - 1; if (currentParameter < 0) return null; invoke = GetInvocationBeforeCursor (token == "("); if (invoke == null) return null; invocationResult = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3); if (invocationResult == null) return null; methodGroup = invocationResult.Item1 as MethodGroupResolveResult; if (methodGroup != null) return CreateParameterCompletion (methodGroup, invocationResult.Item2, invoke.Item2, currentParameter, controlSpace); return null; case "=": case "==": GetPreviousToken (ref tokenIndex, false); var expressionOrVariableDeclaration = GetExpressionAt (tokenIndex); if (expressionOrVariableDeclaration == null) return null; resolveResult = ResolveExpression (expressionOrVariableDeclaration.Item1, expressionOrVariableDeclaration.Item2, expressionOrVariableDeclaration.Item3); if (resolveResult == null) return null; if (resolveResult.Item1.Type.Kind == TypeKind.Enum) { var wrapper = new CompletionDataWrapper (this); AddContextCompletion (wrapper, resolveResult.Item2, expressionOrVariableDeclaration.Item2); 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.Item1, expressionOrVariableDeclaration.Item2, expressionOrVariableDeclaration.Item3); 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 currentType.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 ":": /* Breaks constructor initializer case: * if (currentMember == null) { var wrapper = new CompletionDataWrapper (this); AddTypesAndNamespaces (wrapper, GetState (), null, t => currentType != null ? !currentType.Equals (t) : true); return wrapper.Result; }*/ return null; } var keywordCompletion = HandleKeywordCompletion (tokenIndex, token); if (keywordCompletion == null && controlSpace) goto default; return keywordCompletion; // Automatic completion default: if (IsInsideCommentOrString ()) 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) return HandleEnumContext (); var contextList = new CompletionDataWrapper (this); var identifierStart = GetExpressionAtCursor (); if (identifierStart != null && identifierStart.Item2 is TypeParameterDeclaration) return null; if (identifierStart != null && identifierStart.Item2 is VariableInitializer && location <= ((VariableInitializer)identifierStart.Item2).NameToken.EndLocation) { return controlSpace ? HandleAccessorContext () ?? DefaultControlSpaceItems (identifierStart) : null; } if (!(char.IsLetter (completionChar) || completionChar == '_') && (!controlSpace || identifierStart == null || !(identifierStart.Item2 is ArrayInitializerExpression))) { return controlSpace ? HandleAccessorContext () ?? DefaultControlSpaceItems (identifierStart) : null; } 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) return null; if (!(Char.IsWhiteSpace (prevCh) || allowedChars.IndexOf (prevCh) >= 0)) return null; // 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 == "namespace") // after these always follows a name return null; int prevTokenIndex = tokenIndex; var prevToken2 = GetPreviousToken (ref prevTokenIndex, false); if (prevToken2 == "delegate") // after these always follows a name return null; if (identifierStart == null && !string.IsNullOrEmpty (token) && !(IsInsideComment (tokenIndex) || IsInsideString (tokenIndex)) && (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.Item2; if (n != null && n.Parent is AnonymousTypeCreateExpression) { AutoSelect = false; } // 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; } } if (n != null && n.Parent is InvocationExpression) { var invokeParent = (InvocationExpression)n.Parent; var invokeResult = ResolveExpression (identifierStart.Item1, invokeParent.Target, identifierStart.Item3); 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.AddVariable (p); } } idx++; foreach (var list in mgr.GetExtensionMethods ()) { 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 (identifierStart.Item1, n.Parent, identifierStart.Item3); 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 (identifierStart.Item1, evaluationExpr, identifierStart.Item3); 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 (identifierStart.Item1, n.Parent, identifierStart.Item3); var concreteNode = identifierStart.Item3.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 (n != null/* && !(identifierStart.Item2 is TypeDeclaration)*/) { csResolver = new CSharpResolver (ctx); var nodes = new List<AstNode> (); nodes.Add (n); if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) nodes.Add (n.Parent); var astResolver = new CSharpAstResolver (csResolver, identifierStart.Item3, identifierStart.Item1); astResolver.ApplyNavigator (new NodeListResolveVisitorNavigator (nodes)); try { csResolver = astResolver.GetResolverStateBefore (n); } catch (Exception) { csResolver = GetState (); } // add attribute properties. if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) { var resolved = astResolver.Resolve (n.Parent); if (resolved != null && resolved.Type != null) { foreach (var property in resolved.Type.GetProperties (p => p.Accessibility == Accessibility.Public)) { contextList.AddMember (property); } foreach (var field in resolved.Type.GetFields (p => p.Accessibility == Accessibility.Public)) { contextList.AddMember (field); } } } } else { csResolver = GetState (); } // identifier has already started with the first letter offset--; AddContextCompletion (contextList, csResolver, identifierStart.Item2); 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 AddContextCompletion(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node) { if (state != null) { foreach (var variable in state.LocalVariables) { wrapper.AddVariable (variable); } } if (ctx.CurrentMember is IParameterizedMember) { var param = (IParameterizedMember)ctx.CurrentMember; foreach (var p in param.Parameters) { wrapper.AddVariable (p); } } if (currentMember is IUnresolvedMethod) { var method = (IUnresolvedMethod)currentMember; foreach (var p in method.TypeParameters) { wrapper.AddTypeParameter (p); } } Predicate<IType> typePred = null; if (node is Attribute) { var attribute = Compilation.FindType (typeof (System.Attribute)); typePred = t => { return t.GetAllBaseTypeDefinitions ().Any (bt => bt.Equals (attribute)); }; } AddTypesAndNamespaces (wrapper, state, node, typePred); wrapper.Result.Add (factory.CreateLiteralCompletionData ("global")); if (state.CurrentMember != null) { AddKeywords (wrapper, statementStartKeywords); AddKeywords (wrapper, expressionLevelKeywords); } else if (state.CurrentTypeDefinition != null) { AddKeywords (wrapper, typeLevelKeywords); } else { AddKeywords (wrapper, globalLevelKeywords); } var prop = currentMember as IUnresolvedProperty; if (prop != null && prop.Setter.Region.IsInside (location)) wrapper.AddCustom ("value"); if (currentMember is IUnresolvedEvent) wrapper.AddCustom ("value"); if (IsInSwitchContext (node)) { wrapper.AddCustom ("case"); wrapper.AddCustom ("default"); } AddKeywords (wrapper, primitiveTypesKeywords); wrapper.Result.AddRange (factory.CreateCodeTemplateCompletionData ()); }