Re: Emacs C source, suggested reading order

[Rob Thorpe]

joao <joao@nospam.net> wrote in message 
news:<m3u12mqlnh.fsf@localhost.localdomain>...
> Hi all,
> 
> I wanted to write some emacs lisp code to display the contents of registers,
> where I've saved several window configurations. I was thinking of a list of
> registers identified by a, b, c, ..., with, for each one, the names of the
> buffers/files displayed in each window.
> 
> Unfortunately the Elisp Manual states clearly that
> 
>        Primitives to look inside of window configurations would
>     make sense, but none are implemented.  It is not clear they
>     are useful enough to be worth implementing.
> 
> So I guess it's time to start reading that Emacs C source code, so I can add
> the primitive I need. I've found the window config functions in window.c, but
> obviously there's a lot to understand in this (big) source.
> 
> Does anyone have a suggested reading order in all these C source files ? are
> there some useful comments buried inside any particular file ? things like
> description/explanation of how lisp objects/functions are implemented in C ? 
> or
> the interface between lisp and C ?
> 
> Suggestions welcome. Otherwise I'll start with emacs.c :-) 

Start with lisp.h, then read emacs.c or eval.c

I can't advise you further than that since I haven't got further myself!