semantic of used_define cpp callback?

[Basile STARYNKEVITCH]

Arnaud Charlet wrote:
>> I suppose the idea is to emit each used macro a single time only, the
>> code seems to confirm this.
> 
> Makes sense indeed (and at least matches what the code does).
> 
>> Arnaud> so would the addition of a new callback (e.g.
>> Arnaud>   void (*used) (cpp_reader *, unsigned int, cpp_hashnode *);
>> Arnaud> ) be acceptable in principle? If so, I'll post a formal patch on
>> Arnaud> gcc-patches@
>>
>> Yes, this would be fine.
> 
> Thanks, I'll prepare such patch then.
> 

May I respectfully suggest to make that a plugin callback?

Regards.

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Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
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