Re: RFC: %param

[Akim Demaille]

Hi Paolo,

Below is discussed a difference bw the Java parsers and the others.   
What opinion do you have about it?  Do you see a means to converge?

Le 7 sept. 2009 à 09:55, Akim Demaille a écrit :

> Hi,
>
> I was tired to read
>
> > %parse-param {::parser::ParserImpl& up}
> > %lex-param {::parser::ParserImpl& up}
> > %parse-param {yyFlexLexer& scanner}
> > %lex-param {yyFlexLexer& scanner}
>
> in my code, I wanted
>
> > %param {::parser::ParserImpl& up}{yyFlexLexer& scanner};
>
> I pushed this feature in candidates/%param, but there are several  
> issues:
>
> - I had not noticed, but when I started upgrading the documentation,  
> I discovered that in lalr1.java, the %lex-params are added to the  
> signature of yyparse, which in my case would have allowed to use  
> only %lex-params.  It makes sense, but I am uncomfortable with the  
> coexistence of several conventions within Bison.

[This is in master, i.e., it will be 2.6.  2.4.2, and 2.5 should be  
released before hand.]