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Re: The GLR parser doesn't (yet) fully support YYPARSE_PARAM
From: |
akim |
Subject: |
Re: The GLR parser doesn't (yet) fully support YYPARSE_PARAM |
Date: |
Sat, 19 Oct 2002 16:42:23 +0200 |
User-agent: |
Mutt/1.3.28i |
On Sat, Oct 19, 2002 at 03:01:53PM +0200, Henrik Grubbstr?m wrote:
> On Sat, 19 Oct 2002, Henrik Grubbstr?m wrote:
>
> > While experimenting a bit with the new GLR-parser, I noticed that it
> > doesn't propagate YYPARSE_PARAM to yydoAction()/yyuserAction().
>
> Hmm, seems like it's not propagated to yyprocessOneStack()/
> yyrecoverParseError() either, which means that YYLEX_PARAM can't be an
> expression based on YYPARSE_PARAM.
All this is known, thanks! But we are lacking the infrastructure to
continue the GLR parser. Actually, if you look at the latest patches
on Bison, they are precisely attacking parts of this issue.
in any case, the GLR parser is not ready for industrial use: its portability
isn't even checked.