public void SyntaxError(
TextWriter output,
IRecognizer recognizer,
S offendingSymbol,
int line,
int col,
string msg,
RecognitionException recognitionException)
{
if (this.firstTime)
{
try
{
this.firstTime = false;
LASets la_sets = new LASets();
IntervalSet set = la_sets.Compute(this.parser, this.tokenStream, line, col);
List <string> result = new List <string>();
foreach (int r in set.ToList())
{
string rule_name = this.parser.Vocabulary.GetSymbolicName(r);
result.Add(rule_name);
}
string message;
if (result.Any())
{
message = $"Parse error line:{line}, col:{col}, expecting: {string.Join(", ", result)}";
}
else
{
message = $"Parse error: message:{msg} offendingSymbol: {offendingSymbol}, line:{line}, col:{col}";
}
this.parseException = new ParseException(message, recognitionException);
}
catch (Exception ex)
{
this.parseException = new ParseException($"Unknown parse exception", ex);
}
}
}
public override void SyntaxError(TextWriter output, IRecognizer recognizer, S offendingSymbol, int line,
int col, string msg, RecognitionException e)
{
this.hadError = true;
if (this.firstTime)
{
try
{
this.firstTime = false;
LASets la_sets = new LASets();
IntervalSet set = la_sets.Compute(this.parser, this.tokenStream, line, col);
List <string> result = new List <string>();
foreach (int r in set.ToList())
{
string rule_name = this.parser.Vocabulary.GetSymbolicName(r);
result.Add(rule_name);
}
if (result.Any())
{
System.Console.Error.WriteLine("Parse error line/col " + line + "/" + col
+ ", expecting "
+ string.Join(", ", result));
}
else
{
base.SyntaxError(output, recognizer, offendingSymbol, line, col, msg, e);
}
return;
}
catch (Exception)
{
}
}
base.SyntaxError(output, recognizer, offendingSymbol, line, col, msg, e);
}
