protected override QuickInfoModel CreateExpectedModel(SemanticModel semanticModel)
{
var syntaxTree = semanticModel.SyntaxTree;
var syntax = syntaxTree.Root.DescendantNodes().OfType <NullIfExpressionSyntax>().Single();
var span = syntax.NullIfKeyword.Span;
var markup = SymbolMarkup.ForNullIfSymbol();
return(new QuickInfoModel(semanticModel, span, Glyph.Function, markup));
}
internal static SignatureItem GetNullIfSignatureItem()
{
return(SymbolMarkup.ForNullIfSymbol().ToSignatureItem(IsCommaToken));
}
protected override QuickInfoModel CreateModel(SemanticModel semanticModel, int position, NullIfExpressionSyntax node)
{
var keywordSpan = node.NullIfKeyword.Span;
return(!keywordSpan.ContainsOrTouches(position)
? null
: new QuickInfoModel(semanticModel, keywordSpan, Glyph.Function, SymbolMarkup.ForNullIfSymbol()));
}