Re: Enhancement request: enabling Variant in C parsers

[Akim Demaille]

> Le 23 août 2018 à 10:18, Hans Åberg <haber...@telia.com> a écrit :
> 
>> 
>> On 23 Aug 2018, at 07:34, Akim Demaille <a...@lrde.epita.fr> wrote:
>>> The input file is broken.
>> 
>> You’ll have to be more specific, WFM.
> 
> It generates an error. You might have more than one, say error<k>.txt, and 
> input<k>.txt.

That’s not specific.  You say the input file is broken:
which one, and please show what you have.  Or copy-paste from
the terminal what goes wrong.

>>> And the location filename gets set to null.
>> 
>> Not clear enough, but elaborate.
> 
> The location you initialize in .yy is not the one the .ll uses, so it returns 
> a location with filename set to null, which is then what is reported, that is 
> nothing. I changed:
> 
> calc++.cc: make global
>  extern calcxx_driver driver;
> 
> calc++-scanner.ll:
>  calcxx_driver driver;
> 
>  // The location of the current token.
>  static yy::location loc(&driver.file);


Good catch, thanks!