private static int Run(Options options)
{
try
{
using (StreamReader sr = new StreamReader(File.OpenRead(options.File)))
{
StreamLexer parser = new StreamLexer(sr, options.Verbose, options.Debug, options.MultiError);
Program prog = parser.Parse();
prog.Run();
}
}
catch (Exception ex)
{
switch (ex)
{
case InvalidSyntaxException exception:
InvalidSyntaxException ise = exception;
OutputEx(ise.Message, ise.Line, ise.Position, options.File);
break;
case AssertionException exception:
AssertionException ae = exception;
OutputEx(ae.Message, ae.Line, ae.Position, options.File);
break;
case MplDivideByZeroException exception:
MplDivideByZeroException mdbze = exception;
OutputEx(mdbze.Message, mdbze.Line, mdbze.Position, options.File);
break;
case RuntimeException exception:
RuntimeException rte = exception;
OutputEx(rte.Message, rte.Line, rte.Position, options.File);
break;
case UnexpectedCharacterException exception:
UnexpectedCharacterException uece = exception;
OutputEx(uece.Message, uece.Line, uece.Position, options.File);
break;
case UnsupportedCharacterException exception:
UnsupportedCharacterException usce = exception;
OutputEx(usce.Message, usce.Line, usce.Position, options.File);
break;
case MultiException exception:
MultiException me = exception;
OutputMultiEx(me, options.File);
break;
default:
throw;
}
}
return(0);
}
private static void OutputMultiEx(MultiException me, string filePath)
{
Console.Write("-----------------------------------\n");
Console.Write($"Encountered {me.Exceptions.Count} exceptions during parsing:\n");
foreach (Exception ex in me.Exceptions)
{
switch (ex)
{
case InvalidSyntaxException exception:
InvalidSyntaxException ise = exception;
OutputEx(ise.Message, ise.Line, ise.Position, filePath);
break;
case AssertionException exception:
AssertionException ae = exception;
OutputEx(ae.Message, ae.Line, ae.Position, filePath);
break;
case MplDivideByZeroException exception:
MplDivideByZeroException mdbze = exception;
OutputEx(mdbze.Message, mdbze.Line, mdbze.Position, filePath);
break;
case RuntimeException exception:
RuntimeException rte = exception;
OutputEx(rte.Message, rte.Line, rte.Position, filePath);
break;
case UnexpectedCharacterException exception:
UnexpectedCharacterException uece = exception;
OutputEx(uece.Message, uece.Line, uece.Position, filePath);
break;
case UnsupportedCharacterException exception:
UnsupportedCharacterException usce = exception;
OutputEx(usce.Message, usce.Line, usce.Position, filePath);
break;
default:
throw ex;
}
}
}
