private void Error(string msg, bool fatal = false, SourceLocation?on = null)
{
Errors.AddError(on ?? Current.Location, msg);
if (fatal)
{
throw new LogicParserException();
}
}
public IEnumerable <Lexeme> Lex()
{
while (TakeLexeme(out var lexeme))
{
if (lexeme != null)
{
yield return(lexeme.Value);
}
}
if (!IsEOF)
{
Errors.AddError(Location, $"invalid character found: {Current}");
}
yield return(Lexeme(LexemeKind.EOF, null));
}
public void SyntaxError([NotNull] IRecognizer recognizer, [Nullable] IToken offendingSymbol, int line, int charPositionInLine, [NotNull] string msg, [Nullable] RecognitionException e)
{
Errors.AddError(msg, new SourceSpan(offendingSymbol), isANTLR: true);
}