// Ignore everything after the 128th character by setting the value text of the token
// from the prefix. This is for backwards compatibility with Dev 10.
private static SyntaxToken TruncateIdentifier(SyntaxToken identifier)
{
if (identifier.Width > MAX_DIRECTIVE_IDENTIFIER_WIDTH)
{
var leading = identifier.GetLeadingTrivia();
var trailing = identifier.GetTrailingTrivia();
string text = identifier.ToString();
string identifierPart = text.Substring(0, MAX_DIRECTIVE_IDENTIFIER_WIDTH);
identifier = SyntaxFactory.Identifier(SyntaxKind.IdentifierToken, leading, text, identifierPart, trailing);
}
return(identifier);
}