[antlr-interest] NoViableAltException

[Lloyd Dupont]

Good point!
I hope something can be done :D
But I fear it might not...
  I built a simplistic C# parser that ignores statements blocks and handles only declarations. The target output language is C#.
  When I parse a moderate size file 500K ( the atnlr parser output ;) ) it takes 5 seconds and a lot of NoViableAltException are raised and handled by the parser. 
  The parsing is successfull, but as we know, exception raising in .NET comes with a big cost. I think there is a big performance hit in using Exceptions to handle failures instead of old Winapi style return codes.
  Is anything that can be done about it? 
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