public override SignatureHelpState GetCurrentArgumentState(SyntaxNode root, int position, ISyntaxFactsService syntaxFacts, TextSpan currentSpan, CancellationToken cancellationToken) { if (GetOuterMostTupleExpressionInSpan(root, position, syntaxFacts, currentSpan, cancellationToken, out var expression)) { return(CommonSignatureHelpUtilities.GetSignatureHelpState(expression, position, getOpenToken: s_getOpenToken, getCloseToken: s_getCloseToken, getArgumentsWithSeparators: s_getArgumentsWithSeparators, getArgumentNames: s_getArgumentNames)); } if (GetOuterMostParenthesizedExpressionInSpan(root, position, syntaxFacts, currentSpan, cancellationToken, out var parenthesizedExpression)) { if (currentSpan.Start == parenthesizedExpression.SpanStart) { return(new SignatureHelpState( argumentIndex: 0, argumentCount: 0, argumentName: string.Empty, argumentNames: null)); } } return(null); }
internal static SignatureHelpState GetSignatureHelpState(AttributeArgumentListSyntax argumentList, int position) { return(CommonSignatureHelpUtilities.GetSignatureHelpState( argumentList, position, s_getAttributeArgumentListOpenToken, s_getAttributeArgumentListCloseToken, s_getAttributeArgumentListArgumentsWithSeparators, s_getAttributeArgumentListNames)); }
internal static SignatureHelpState GetSignatureHelpState(InitializerExpressionSyntax argumentList, int position) { return(CommonSignatureHelpUtilities.GetSignatureHelpState( argumentList, position, s_getInitializerExpressionOpenToken, s_getInitializerExpressionCloseToken, s_getInitializerExpressionArgumentsWithSeparators, s_getInitializerExpressionNames)); }