/// <summary>
///
/// </summary>
/// <param name="characterString"></param>
/// <param name="length"></param>
/// <param name="textRunProperties"></param>
/// <param name="token"></param>
/// <param name="node"></param>
/// <exception cref="InvalidOperationException"></exception>
public SyntaxTokenTextCharacters(string characterString, int length,
TextRunProperties textRunProperties, SyntaxToken token, SyntaxNode node) : base(characterString, 0, length, textRunProperties, token.Span)
{
Token = token;
#if SUPPORTVB
Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind;
#endif
SyntaxKind csKind;
switch (token.Language)
{
#if SUPPORTVB
case LanguageNames.VisualBasic:
kind = VisualBasicExtensions.Kind(token);
if (kind == Microsoft.CodeAnalysis.VisualBasic.SyntaxKind.None)
{
throw new AppInvalidOperationException(token.Span.ToString());
}
break;
#endif
case LanguageNames.CSharp:
csKind = Token.Kind();
if (csKind == SyntaxKind.None)
{
throw new InvalidOperationException(token.Span.ToString());
}
break;
}
Node = node;
}
public static IMetadataExtractor GetExtractor(string extension)
{
if (CSharpExtensions.Contains(extension))
{
return(new CSharpMetadataExtractor());
}
else if (VisualBasicExtensions.Contains(extension))
{
throw new Exception($"Visual Basic is not yet supported by {nameof(Skaf)}");
}
throw new Exception($"The extension '{extension}' was unrecognized.");
}
public static bool HasAutoGeneratedComment(this SyntaxTree tree)
{
var root = tree.GetRoot();
if (root == null)
{
return(false);
}
var isCSharp = root is CompilationUnitSyntax;
var firstToken = root.GetFirstToken();
SyntaxTriviaList trivia;
if (firstToken == default(SyntaxToken))
{
var token = isCSharp
? ((CompilationUnitSyntax)root).EndOfFileToken
: ((Microsoft.CodeAnalysis.VisualBasic.Syntax.CompilationUnitSyntax)root).EndOfFileToken;
if (!token.HasLeadingTrivia)
{
return(false);
}
trivia = token.LeadingTrivia;
}
else
{
if (!firstToken.HasLeadingTrivia)
{
return(false);
}
trivia = firstToken.LeadingTrivia;
}
if (isCSharp)
{
var commentLines = trivia.Where(t => t.IsKind(SyntaxKind.SingleLineCommentTrivia)).Take(2).ToList();
if (commentLines.Count != 2)
{
return(false);
}
return(commentLines[1].ToString() == "// <auto-generated>");
}
else
{
var commentLines = trivia.Where(t => VisualBasicExtensions.IsKind(t, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind.CommentTrivia)).Take(2).ToList();
if (commentLines.Count != 2)
{
return(false);
}
return(commentLines[1].ToString() == "' <auto-generated>");
}
}
