//Funcion que sobreescribe la funcion SyntaxError de la clase BaseErrorListener, identifica el tipo de excepcion que se presenta y añade a la variable msjError el respectivo mensaje
//de errror
public override void SyntaxError(IRecognizer recognizer, IToken offendingSymbol, int line, int charPositionInLine, string msg, RecognitionException e)
{
if (e != null)
{
msjError += ("Error en la linea: " + e.OffendingToken.Line + " columna: " + e.OffendingToken.Column + " ");
if (e.GetType() == typeof(NoViableAltException))
{
msjError += ("Error de tipo: No viable\n\n");
}
else if (e.GetType() == typeof(NotSupportedException))
{
msjError += ("Error de tipo: No soportado\n\n");
}
else if (e.GetType() == typeof(NotImplementedException))
{
msjError += ("Error de tipo: No implementado\n\n");
}
else if (e.GetType() == typeof(NotFiniteNumberException))
{
msjError += ("Error de tipo: Numero no finito\n\n");
}
else if (e.GetType() == typeof(InputMismatchException))
{
msjError += ("Error de tipo: Desajuste de entrada\n\n");
}
else
{
msjError += "Error de tipo desconocido\n\n";
}
}
}
public override void SyntaxError(TextWriter output, IRecognizer recognizer,
IToken offendingSymbol, int line, int charPositionInLine, string msg,
RecognitionException e)
{
Error error = new Error();
if (recognizer.GetType() == typeof(BosParser))
{
error.Stack = (recognizer as BosParser).GetRuleInvocationStackAsString();
}
error.File = Path.GetFileName(e.InputStream.SourceName);
error.Msg = $"{error.File}: {msg} at {line}:{charPositionInLine}";
if (offendingSymbol != null)
{
error.Symbol = offendingSymbol.Text;
}
if (e != null)
{
error.Exception = e.GetType().ToString();
}
this.Errors.Add(error);
}
public override void RecognitionException(RecognitionException e)
{
StringBuilder buf = new StringBuilder(50);
buf.Append("exception\t");
buf.Append(e.GetType().Name);
// dump only the data common to all exceptions for now
buf.Append("\t");
buf.Append(e.Index);
buf.Append("\t");
buf.Append(e.Line);
buf.Append("\t");
buf.Append(e.CharPositionInLine);
Transmit(buf.ToString());
}
public override void SyntaxError(TextWriter output, IRecognizer recognizer, IToken offendingSymbol, int line, int charPositionInLine, string msg, RecognitionException e)
{
if (e is NoViableAltException noViableAlt)
{
throw new AGPxException($"Unexpected token '{noViableAlt.OffendingToken.Text}' found after '{noViableAlt.StartToken.Text}'.", line, stylesheetSourceName);
}
#warning TODO: Customize message
if (e is InputMismatchException inputMismatch)
{
throw new AGPxException(msg, line, stylesheetSourceName); // TODO: Customize error message
}
else
{
throw new NotImplementedException(e?.GetType()?.Name ?? msg);
}
}
public override void RecognitionException(RecognitionException e) {
StringBuilder buf = new StringBuilder(50);
buf.Append("exception\t");
buf.Append(e.GetType().Name);
// dump only the data common to all exceptions for now
buf.Append("\t");
buf.Append(e.Index);
buf.Append("\t");
buf.Append(e.Line);
buf.Append("\t");
buf.Append(e.CharPositionInLine);
Transmit(buf.ToString());
}
public override void ReportError(Parser recognizer, RecognitionException e)
{
// if we've already reported an error and have not matched a token
// yet successfully, don't report any errors.
if (InErrorRecoveryMode(recognizer))
{
// System.err.print("[SPURIOUS] ");
return;
}
// don't report spurious errors
BeginErrorCondition(recognizer);
if (e is NoViableAltException)
{
//ReportNoViableAlternative(recognizer, (NoViableAltException)e);
//Error.Write("{b:Red}{f:White}SYNTAX ERROR: {$0}{r}", e.OffendingToken.Line, 999, e.GetType().FullName);
//NotifyErrorListeners(recognizer, e.Message, e);
}
else
{
if (e is InputMismatchException)
{
//ReportInputMismatch(recognizer, (InputMismatchException)e);
}
else
{
if (e is FailedPredicateException)
{
//ReportFailedPredicate(recognizer, (FailedPredicateException)e);
Error.Write("{b:Red}{f:White}SYNTAX ERROR: {$0}{r}", e.OffendingToken.Line, 999, e.GetType().FullName);
NotifyErrorListeners(recognizer, e.Message, e);
}
else
{
Error.Write("{b:Red}{f:White}SYNTAX ERROR: {$0}{r}", e.OffendingToken.Line, 999, e.GetType().FullName);
NotifyErrorListeners(recognizer, e.Message, e);
}
}
}
}