/// <summary>
/// Moves to the previous the token.
/// </summary>
/// <param name="includeWhitespaces">If set to <c>true</c> includes whitespaces.</param>
/// <param name="includeComments">If set to <c>true</c> include comments.</param>
/// <returns>The token. Check for EndOfFile token-type to detect end-of-file.</returns>
public Token PreviousToken(bool includeWhitespaces = false, bool includeComments = false)
{
while (_tokenEnumerator.MovePrevious())
{
var token = _tokenEnumerator.Current;
if (token == null)
{
continue;
}
_line -= CountLines(token);
if (token.Type == TokenType.Newline)
{
if (includeWhitespaces)
{
return(token);
}
continue;
}
if (!includeWhitespaces && token.Type == TokenType.Whitespace)
{
continue;
}
return(token);
}
return(new Token(TokenType.EndOfFile, string.Empty));
}
public bool MovePrevious()
{
var success = false;
do
{
success = _tokens.MovePrevious();
} while (success && Text == "\r\n");
return(success);
}
