private static Symbol SymbolFromRoslynSymbol(int offset, Microsoft.CodeAnalysis.SemanticModel semanticModel, Microsoft.CodeAnalysis.ISymbol symbol)
{
var result = new Symbol();
if (symbol is Microsoft.CodeAnalysis.IMethodSymbol methodSymbol)
{
result.IsVariadic = methodSymbol.Parameters.LastOrDefault()?.IsParams ?? false;
result.Kind = CursorKind.CXXMethod;
result.Arguments = new List <ParameterSymbol>();
foreach (var parameter in methodSymbol.Parameters)
{
var argument = new ParameterSymbol();
argument.Name = parameter.Name;
var info = CheckForStaticExtension.GetReturnType(parameter);
if (info.HasValue)
{
argument.TypeDescription = info.Value.name;
argument.IsBuiltInType = info.Value.inbuilt;
}
result.Arguments.Add(argument);
}
}
result.Name = symbol.Name;
var returnTypeInfo = CheckForStaticExtension.GetReturnType(symbol);
if (returnTypeInfo.HasValue)
{
result.ResultType = returnTypeInfo.Value.name;
result.IsBuiltInType = returnTypeInfo.Value.inbuilt;
}
result.TypeDescription = symbol.Kind == Microsoft.CodeAnalysis.SymbolKind.NamedType ? symbol.ToDisplayString() : symbol.ToMinimalDisplayString(semanticModel, offset);
var xmlDocumentation = symbol.GetDocumentationCommentXml();
var docComment = DocumentationComment.From(xmlDocumentation, Environment.NewLine);
result.BriefComment = docComment.SummaryText;
return(result);
}
public async Task <CodeCompletionResults> CodeCompleteAtAsync(int index, int line, int column, IEnumerable <UnsavedFile> unsavedFiles, char previousChar, string filter)
{
if (_editor.SourceFile is MetaDataFile)
{
return(null);
}
var result = new CodeCompletionResults();
var dataAssociation = GetAssociatedData(_editor);
var workspace = RoslynWorkspace.GetWorkspace(dataAssociation.Solution);
var document = workspace.GetDocument(_editor.SourceFile);
var semanticModel = await document.GetSemanticModelAsync();
var completionService = CompletionService.GetService(document);
var data = await completionService.GetCompletionsAsync(document, index);
if (data != null)
{
var recommendedSymbols = await Microsoft.CodeAnalysis.Recommendations.Recommender.GetRecommendedSymbolsAtPositionAsync(semanticModel, index, workspace);
foreach (var completion in data.Items)
{
var insertionText = completion.DisplayText;
if (completion.Properties.ContainsKey("InsertionText"))
{
insertionText = completion.Properties["InsertionText"];
}
var selectionBehavior = Languages.CompletionItemSelectionBehavior.Default;
int priority = 0;
if (completion.Rules.SelectionBehavior != Microsoft.CodeAnalysis.Completion.CompletionItemSelectionBehavior.Default)
{
selectionBehavior = (Languages.CompletionItemSelectionBehavior)completion.Rules.SelectionBehavior;
priority = completion.Rules.MatchPriority;
}
if (completion.Properties.ContainsKey("Provider") && completion.Properties["Provider"] == "Microsoft.CodeAnalysis.CSharp.Completion.Providers.SymbolCompletionProvider")
{
var symbols = recommendedSymbols.Where(x => x.Name == completion.Properties["SymbolName"] && (int)x.Kind == int.Parse(completion.Properties["SymbolKind"])).Distinct();
if (symbols != null && symbols.Any())
{
foreach (var symbol in symbols)
{
if (symbol != null)
{
var newCompletion = new CodeCompletionData(symbol.Name, completion.FilterText, insertionText, null, selectionBehavior, priority);
if (completion.Properties.ContainsKey("SymbolKind"))
{
newCompletion.Kind = FromOmniSharpKind(completion.Properties["SymbolKind"]);
}
var xmlDocumentation = symbol.GetDocumentationCommentXml();
if (xmlDocumentation != string.Empty)
{
var docComment = DocumentationComment.From(xmlDocumentation, Environment.NewLine);
newCompletion.BriefComment = docComment.SummaryText;
}
result.Completions.Add(newCompletion);
}
}
}
}
else
{
var newCompletion = new CodeCompletionData(completion.DisplayText, completion.FilterText, insertionText, null, selectionBehavior, priority);
if (completion.Properties.ContainsKey("SymbolKind"))
{
newCompletion.Kind = FromOmniSharpKind(completion.Properties["SymbolKind"]);
}
result.Completions.Add(newCompletion);
}
}
result.Contexts = Languages.CompletionContext.AnyType;
}
return(result);
}