Re: Is the Gnu diction Package is bison and flex Candidate=

[Hans Aberg]

On 3 Aug 2007, at 12:51, Hans (Req man) skrev:

> Hans Aberg schreef:
> > Don't expect to get much out of error recovery. It is a research  
> > topic, and particularly bad under LALR(1), as the parser states  
> > are merged in a way that when an error token appears. some  
> > reductions may still take place.
> >
> > Instead, uses GLR (the Bison %glr option) to deal with grammar  
> > ambiguities. But it does not help with ambiguities on the lexical  
> > level, and Paul Hilfinger, who wrote the GLR parser, says it is  
> > not adapted to use with a lexer that splits the lexemes.

> Hans, I see, and thanks for the suggestions. For now I will  
> continue testing this release of diction (1.11). I will look into  
> your hugs suggestion as well as the bison %glr option afterwards.  
> Regards, hans

I am cc'ing Paul, in case he might have something to say about the  
topic.

  Hans Aberg