private static void CheckCategory(SyntaxKind kind, SyntaxCategory category)
{
if (kind.GetCategory() != category)
{
throw new ArgumentException($"The kind {kind} is not a {category.ToString().ToLower()}");
}
}
/// <summary>
/// Gets the default <see cref="CompletionItem"/> for a token with the specified <see cref="SyntaxKind"/>.
/// </summary>
private static CompletionItem GetDefaultCompletionItem(SyntaxKind kind, CompletionKind?ckind, CompletionPriority priority, string ctext = null)
{
var text = SyntaxFacts.GetText(kind);
if (string.IsNullOrWhiteSpace(text))
{
return(null);
}
switch (kind.GetCategory())
{
case SyntaxCategory.Keyword:
return(GetDefaultCompletionItem(text, ckind ?? CompletionKind.Keyword, priority, ctext));
case SyntaxCategory.Operator:
return(GetDefaultCompletionItem(text, ckind ?? CompletionKind.ScalarInfix, priority, ctext));
case SyntaxCategory.Punctuation:
return(GetDefaultCompletionItem(text, ckind ?? CompletionKind.Punctuation, priority, ctext));
default:
return(null);
}
}
/// <summary>
/// Gets the default tag to assign a token parser, based on the token's kind.
/// </summary>
private static string GetDefaultTag(SyntaxKind kind)
{
return(kind.GetCategory() == SyntaxCategory.Punctuation
? $"'{kind.GetText()}'"
: kind.GetText() ?? kind.ToString().ToLower());
}
