/// <summary>
/// Consume token of a specific type.
/// Does nothing if token type does not match.
/// </summary>
/// <param name="type">Token type to consume</param>
/// <param name="token">The consumed token (if types match)</param>
/// <returns><c>true</c> if tokens were consumed, otherwise <c>false</c> (wrong type, too few tokens in stream)</returns>
public bool TryConsume(TokenType type, out ClassDiagramToken token)
{
token = null;
if (Count == 0)
{
return(false);
}
token = this[0];
if (token.TokenType == type)
{
SetCurrentLocation(this[0]);
RemoveAt(0);
return(true);
}
return(false);
}
public ErrorReturnCode Unexpected(TokenType expected, ClassDiagramToken actualToken)
{
_errors.Add(Error.Unexpected(expected, actualToken));
return(ErrorReturnCode.StopParsing);
}
#pragma warning restore 649
public RuleMatchInfo(ClassDiagramToken token)
{
Token = token;
IsSuccess = true;
}