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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:243499 Archived-At: --_007_VI1P194MB0429B5D3C65EC3F61D3A4B5F962D0VI1P194MB0429EURP_ Content-Type: multipart/alternative; boundary="_000_VI1P194MB0429B5D3C65EC3F61D3A4B5F962D0VI1P194MB0429EURP_" --_000_VI1P194MB0429B5D3C65EC3F61D3A4B5F962D0VI1P194MB0429EURP_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Here is a little prototype to test my idea with literal Elisp. I have patched read-eval loop as stated in previous mail, in lread.c. It is probably possible to implement that in Elisp, but I don't have enough knowledge of either Emacs internals nor Elisp to do this in some short time. It would took me a lot of time to look up all the things I would need. Anyway, C code turned to be rather trivial, and also completely by-passable if so desired, so I have introduced a user-customiza= ble variable 'emacs-lisp-allow-literal-comments', which is by default nil. I wasn't sure in which elisp file to introduce this variable, so I have use= d 'simple.el' found in lisp directory of Emacs source distribution. That file seems to have some other user customizable variables that affect elisp so I thought it might be appropriate place. For the byte compiler I have patched bytecomp.el, in rather brutish way, bu= t it seems to work. It wasn't very difficult either, but I think I have done it = rather ugly. Someone might wish to refactor that code. Anyway, it is less then twenty lines of code, and it is by default bypassed as well. The variable that controls it is also user customizable and found in same file, named 'byte-comp-allow-literal-comments'. I have attached also a small trivial elisp file for illustration purpose. It is just a test of an idea, and small prototype to show that it might wor= k. It needs more thorough testing and can probably be implemented in some bett= er way. I have tested on GNU/Linux and Windows. Emacs was able to compile it's own elisp as well as external packages I use. As a note, the change in C is completely backwards compatible. No logical change to elisp parser happens when 'emacs-lisp-allow-literal-comments' variable is nil. ________________________________ Fr=E5n: Emacs-devel = f=F6r Jean-Christophe Helary Skickat: den 19 december 2019 02:50 Till: emacs-devel@gnu.org =C4mne: Re: Christmas wish: Literate Elisp > On Dec 19, 2019, at 9:42, chad wrote: > > There is a large body of existing software which will be totally unaware = of your changes. Although I think the premise of your comment is absolutely valid, I'm not s= o sure about the "*large* body of existing software". Jean-Christophe Helary ----------------------------------------------- http://mac4translators.blogspot.com @brandelune --_000_VI1P194MB0429B5D3C65EC3F61D3A4B5F962D0VI1P194MB0429EURP_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Here is a little prototype to test my idea with literal Elisp.

I have patched read-eval loop as stated in previous mail, in lread.c.<= br>
It is probably possible to implement that in Elisp, but I don't have
enough knowledge of either Emacs internals nor Elisp to do this in som= e
short time. It would took me a lot of time to look up all the
things I would need. Anyway, C code turned to be rather trivial, and a= lso
completely by-passable if so desired, so I have introduced a user-cust= omizable
variable 'emacs-lisp-allow-literal-comments', which is by default nil.=

I wasn't sure in which elisp file to introduce this variable, so I hav= e used
'simple.el' found in lisp directory of Emacs source distribution. That= file
seems to have some other user customizable variables that affect elisp= so I
thought it might be appropriate place.

For the byte compiler I have patched bytecomp.el, in rather brutish wa= y, but it
seems to work. It wasn't very difficult either, but I think I have don= e it rather
ugly. Someone might wish to refactor that code. Anyway, it is less the= n
twenty lines of code, and it is by default bypassed as well. The varia= ble
that controls it is also user customizable and found  in same fil= e,
named 'byte-comp-allow-literal-comments'.

I have attached also a small trivial elisp file for illustration purpo= se.

It is just a test of an idea, and small prototype to show that it migh= t work.
It needs more thorough testing and can probably be implemented in some= better
way.

I have tested on GNU/Linux and Windows. Emacs was able to compile it's= own
elisp as well as external packages I use.

As a note, the change in C is completely backwards compatible. No logi= cal
change to elisp parser happens when 'emacs-lisp-allow-literal-co= mments'
variable is nil.

Fr=E5n: Em= acs-devel <emacs-devel-bounces+arthur.miller=3Dlive.com@gnu.org> = f=F6r Jean-Christophe Helary <jean.christophe.helary@traduction-libre.or= g>
Skickat: den 19 december 2019 02:50
Till: emacs-devel@gnu.org <emacs-devel@gnu.org>
=C4mne: Re: Christmas wish: Literate Elisp
 


> On Dec 19, 2019, at 9:42, chad <yandros@gmail.com> wrote:
>
> There is a large body of existing software which will be totally unawa= re of your changes.

Although I think the premise of your comment is absolutely valid, I'm not s= o sure about the "*large* body of existing software".


Jean-Christophe Helary
-----------------------------------------------
http://mac4trans= lators.blogspot.com @brandelune



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