Re: Plans to integrate a wisent grammar in php-mode

On 04/15/2015 08:05 AM, Steven Rémot wrote:
> Thank you for the proposition, if ever there is a problem with this one
> day I will come back to you.
>
> But actually this is not what I meant at all in my last mail :-) . My
> message lacked of explanations so this is my fault. What I meant is that
> the long term goal implies having a simple grammar in the php-mode
> repository, which just handles just a bit more than tagging (no local
> analysis). Then, minor modes would provide more complete grammars to
> perform, for example, type inference. The two or more grammars I was
> talking about were these ones.

Thanks for the clarification Steven,

Each grammar in wisent can have more than one %start token.  What that 
means is you can have one

%start goal

for your basic grammar, and if you want to do more detailed analysis, 
you can then have

%start block_statement

or whatever for parsing inner content.  That allows you to share large 
parts of your grammar between different behaviors you might be 
interested in.

I am less certain about multiple grammars for one buffer.  There are a 
fair number of buffer local variables controlling the parsing, so we'd 
have to refactor some if we want to do that.


Eric

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