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Re: stop using P_, __P in header files

From: Ken Raeburn
Subject: Re: stop using P_, __P in header files
Date: Mon, 5 Jul 2010 02:14:37 -0400

On Jul 5, 2010, at 01:51, Dan Nicolaescu wrote:
> Ken Raeburn <address@hidden> writes:
>> Also, I believe make-docfile scans the argument lists; it may need to be 
>> taught about the new syntax.
> Good point.  If you are familiar with that code, please do it.

I'm not, but I can look into it.

>> Or, the explicit old-style argument declarations can go away, and
>> DEFUN can be taught how to expand a list of argument names into a
>> list of new-style argument declarations.  I thought about doing this
>> back in May when we were discussing the DOC file name handling and
>> version number definition; I think it would require making a bunch
>> of helper macros for each MAXARGS value that could get passed.  (I
>> was thinking about it in the context of putting the doc strings in a
>> section of the executable that only gets paged in when needed on
>> most platforms, rather than having to copy them to and then load
>> from a separate file.)

This would be a different approach for tackling the same problem.  Question is, 
do we want the explicit argument types in each function, and more work for 
make-docfile, or keep things simple for make-docfile and macro-expand the 
argument name list into appropriate declarations?  The set of macros would 
basically be parallel to the existing DEFUN_ARGS_* macros, except with names to 

> Something also needs to be done about the type for  lisp.h:Lisp_Subr.function

Either leave the arg list unspecified, or we have to do a bunch of casting; I 
don't think there are any other options...


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