From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: marmot-te Newsgroups: gmane.emacs.bugs Subject: bug#43573: 26.1; set-process-buffer doesn't create a process marker Date: Tue, 22 Sep 2020 19:44:17 +0000 Message-ID: <871ritr41x.fsf@host.localdomain> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=-=-=" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30983"; mail-complaints-to="usenet@ciao.gmane.io" To: 43573@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 22 23:59:47 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kKqKA-0007yx-SV for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 22 Sep 2020 23:59:47 +0200 Original-Received: from localhost ([::1]:39744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kKqK9-0002xs-S3 for geb-bug-gnu-emacs@m.gmane-mx.org; 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boundary="==-=-=" --==-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello GNU's wizards, I noticed that creating a buffer for a process with ~set-process-buffer~ does not create also a marker specific to that process that can be retrieved with ~process-mark~ afteward. While the documentation doesn't imply it, and it not something obiously necessary, I still consider it as a bug for ~set-process-buffer~ because I see nowhere a function which can create such process marker. Follow the code that trigger this discovery for some context explaining why one may expect this marker to be created, it is a poor man html server translated from Common Lisp, in the book =E2=80=9CLand of Lisp=E2=80=9D by = Conrad Barsky. (make-network-process :name "web-server-process" :buffer "web-server-buffer" :server t :service 8080 :host "127.0.0.1" :family 'ipv4 :filter (lambda (proc string) ;; custom filter doesn't create a dedicated buffer. ;; process marker is not created whith the process buffer ? (let ((stream (set-buffer (set-process-buffer proc (get-buffer-create (process= -name proc)))))) ;; carriage returns everywhere ... (insert (remove ?\C-m string)) (beginning-of-buffer) ;; Unfortunally this filter is applyed only after the sentin= el trigger, so ;; it seems useless to use sentinel for processing the GET r= equest. ;; or should use accept-output-process? (let* ((url (parse-url (read-line stream))) (path (car url)) (header (get-header stream)) (params (append (cdr url) (get-content-params stream header)))) (process-send-string proc (funcall #'hello-request-handler path= header params)) (process-send-eof proc))) (set-process-query-on-exit-flag proc nil) (kill-buffer (process-buffer proc))) :log (lambda (server client message) (princ (format "Client connected : %s\n" client) (process-buffer (get-process server))))) I did not deliver the functions missing because they are not involved in the obsevation of the behavior discuted, will do but if you ask. Freely, Pillule. -- --==-=-= Content-Type: multipart/related; boundary="===-=-=" --===-=-= Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

Hello GNU’s wizards,

I noticed that creating a buffer for a process with set-process-buffe= r
does not create also a marker specific to that process that can be
retrieved with process-mark afteward.

While the documentation doesn’t imply it, and it not something
obiously necessary, I still consider it as a bug for
set-process-buffer because I see nowhere a function which can = create
such process marker.

Follow the code that trigger this discovery for some context explaining why=
one may expect this marker to be created, it is a poor man html server
translated from Common Lisp, in the book =E2=80=9CLand of Lisp=E2=80=9D by = Conrad Barsky.

(make-network-process
:name “web-server-process”
:buffer “web-server-buffer”
:server t
:service 8080
:host “127.0.0.1”
:family ’ipv4
:filter (lambda (proc string)
;; custom filter doesn’t create a dedicated buffer.
;; process marker is not created whith the process buffer ? (let ((stream (set-buffer
(set-process-buffer proc
(get-buffer-create (process= -name proc))))))
;; carriage returns everywhere …
(insert (remove ?\C-m string))
(beginning-of-buffer)
;; Unfortunally this filter is applyed only after the sentin= el trigger, so
;; it seems useless to use sentinel for processing the GET r= equest.
;; or should use accept-output-process?
(let* ((url (parse-url (read-line stream)))
(path (car url))
(header (get-header stream))
(params (append (cdr url)
(get-content-params stream header))))=
(process-send-string proc
(funcall #’hello-request-handle= r path header params))
(process-send-eof proc)))
(set-process-query-on-exit-flag proc nil)
(kill-buffer (process-buffer proc)))
:log (lambda (server client message)
(princ (format “Client connected : %s\n” client) (process-buffer (get-process server)))))

I did not deliver the functions missing because they are not involved in the obsevation of the behavior discuted, will do but if you ask.

Freely,

–

--===-=-=-- --==-=-=-- --=-=-= Content-Type: multipart/related; boundary="====-=-=" --====-=-= Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

<#multipart type=3Dalternative><#part type=3Dtext/plain>

Hello GNU’s wizards,

I noticed that creating a buffer for a process with set-process-buffe= r
does not create also a marker specific to that process that can be
retrieved with process-mark afteward.

While the documentation doesn’t imply it, and it not something
obiously necessary, I still consider it as a bug for
set-process-buffer because I see nowhere a function which can = create
such process marker.

Follow the code that trigger this discovery for some context explaining why=
one may expect this marker to be created, it is a poor man html server
translated from Common Lisp, in the book =E2=80=9CLand of Lisp=E2=80=9D by = Conrad Barsky.

(make-network-process
:name “web-server-process”
:buffer “web-server-buffer”
:server t
:service 8080
:host “127.0.0.1”
:family ’ipv4
:filter (lambda (proc string)
;; custom filter doesn’t create a dedicated buffer.
;; process marker is not created whith the process buffer ? (let ((stream (set-buffer
(set-process-buffer proc
(get-buffer-create (process= -name proc))))))
;; carriage returns everywhere …
(insert (remove ?\C-m string))
(beginning-of-buffer)
;; Unfortunally this filter is applyed only after the sentin= el trigger, so
;; it seems useless to use sentinel for processing the GET r= equest.
;; or should use accept-output-process?
(let* ((url (parse-url (read-line stream)))
(path (car url))
(header (get-header stream))
(params (append (cdr url)
(get-content-params stream header))))=
(process-send-string proc
(funcall #’hello-request-handle= r path header params))
(process-send-eof proc)))
(set-process-query-on-exit-flag proc nil)
(kill-buffer (process-buffer proc)))
:log (lambda (server client message)
(princ (format “Client connected : %s\n” client) (process-buffer (get-process server)))))

I did not deliver the functions missing because they are not involved in the obsevation of the behavior discuted, will do but if you ask.

Freely,
Pillule.
–

<#multipart type=3Drelated><#part type=3Dtext/html><p> Hello GNU&rsquo;s wizards,<br />
</p>

<p>
I noticed that creating a buffer for a process with <code>set-process= -buffer</code><br />
does not create also a marker specific to that process that can be<br /&= gt;
retrieved with <code>process-mark</code> afteward.<br /><= br /> </p>

<p>
While the documentation doesn&rsquo;t imply it, and it not something<= ;br />
obiously necessary, I still consider it as a bug for<br />
<code>set-process-buffer</code> because I see nowhere a functio= n which can create<br />
such process marker.<br />
</p>

<p>
Follow the code that trigger this discovery for some context explaining why= <br />
one may expect this marker to be created, it is a poor man html server<b= r />
translated from Common Lisp, in the book =E2=80=9CLand of Lisp=E2=80=9D by = Conrad Barsky.<br />
</p>

<p>
(make-network-process<br />
:name &ldquo;web-server-process&rdquo;<br />
:buffer &ldquo;web-server-buffer&rdquo;<br />
:server t<br />
:service 8080<br />
:host &ldquo;127.0.0.1&rdquo;<br />
:family &rsquo;ipv4<br />
:filter (lambda (proc string)<br />
;; custom filter doesn&rsquo;t create a dedicated buffer.&= lt;br />
;; process marker is not created whith the process buffer ?<= ;br />
(let ((stream (set-buffer<br />
(set-process-buffer proc<br />
(get-buffer-create (process= -name proc))))))<br />
;; carriage returns everywhere &#x2026;<br />
(insert (remove ?\C-m string))<br />
(beginning-of-buffer)<br />
;; Unfortunally this filter is applyed only after the sentin= el trigger, so<br />
;; it seems useless to use sentinel for processing the GET r= equest.<br />
;; or should use accept-output-process?<br />
(let* ((url (parse-url (read-line stream)))<br />
(path (car url))<br />
(header (get-header stream))<br />
(params (append (cdr url)<br />
(get-content-params stream header))))= <br />
(process-send-string proc<br />
(funcall #&rsquo;hello-request-ha= ndler path header params))<br />
(process-send-eof proc)))<br />
(set-process-query-on-exit-flag proc nil)<br />
(kill-buffer (process-buffer proc)))<br />
:log (lambda (server client message)<br />
(princ (format &ldquo;Client connected : %s\n&rdquo; cl= ient)<br />
(process-buffer (get-process server)))))<br />
</p>

<p>
I did not deliver the functions missing because they are not involved in<= ;br />
the obsevation of the behavior discuted, will do but if you ask.<br />= ;
</p>

<p>
Freely,<br />
<br />
&#x2013;<br />
</p>
<#/multipart>
<#/multipart>

--====-=-=-- --=-=-=--