Re: [cedet-semantic] Is there a wisent analog to Bison %empty non-empty rule?

[Christian J. <chr...@cv...>]

Ok thanks, I’ll check it out. I’ll consider what alternative is the most feasible.. maybe a reduced grammar would be good enough to spot syntax errors in a buffer

Regards
Christian

> 15 juni 2020 kl. 11:42 skrev Stephen Leake <ste...@st...>:
> 
> Christian Johansson <chr...@cv...> writes:
> 
>> Alright, I don’t just want to create tags, I would like to build a
>> complete AST equivalent of the PHP AST. Can you improve the Wisent
>> parser to fully support GNU Bison? Or is there a work-around I can use
>> to make the gramnar work?
> 
> You can use the GNU ELPA wisi package; it provides an error correcting
> LR grammar generator and parser (equivalent to Bison, possibly better
> error correction). It does not provide the AST to elisp (the AST is used
> internally to compute indentation, navigation, faces), but it would be
> straight-forward to add that. It does provide parse errors to elisp, as
> both a text message and edit instructions.
> 
>> Ideally I would like to spot code parser errors in Elisp without
>> having to run the code via a PHP runtime executable.
> 
> The wisi parser is implemented in Ada and runs in a background process;
> I'm not clear if that is better than running PHP in a background process.
> 
> -- 
> -- Stephe