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[87.196.72.142]) by smtp.gmail.com with ESMTPSA id k22-20020a05600c0b5600b003eae73f0fc1sm5408121wmr.18.2023.03.16.08.56.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Mar 2023 08:56:59 -0700 (PDT) In-Reply-To: <87lejw3jx4.fsf@gmail.com> ("=?UTF-8?Q?Jo=C3=A3o_?= =?UTF-8?Q?T=C3=A1vora?="'s message of "Thu, 16 Mar 2023 13:28:07 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:258025 Archived-At: Jo=C3=A3o T=C3=A1vora writes: > Jim Porter writes: > (setq answer-from-proc (catch 'done > (process-put proc 'busy t) > (process-send-string proc "OPEN THE POD BAY D= OORS\n") > (while (accept-process-output)))) > > This is very simplified (and untested), but that's the gist.=20=20 The gist it is, but also very broken. As ever, vapourware sucks. This is what that snippet should have been: ;;; hal.el --- asdasd -*- lexical-binding:= t; -*- (defvar hal-proc nil) (defun hal-connect() (interactive) (when (processp hal-proc) (delete-process hal-proc)) (setq hal-proc (make-process :name "halproc" :command (list (expand-file-name "hal" default-directory)) :buffer (generate-new-buffer "*halbuf*") :filter (lambda (proc output) (internal-default-process-filter proc output) (when-let* ((buffer (process-buffer proc)) (callback (and (buffer-live-p buffer) (process-get proc 'callback= )))) (with-current-buffer buffer (save-excursion (goto-char (point-min)) (when (search-forward ", DAVE\n" nil t) (unwind-protect (funcall callback (buffer-substring (point-min) (point))) (process-put proc 'callback nil) (delete-region (point-min) (point))))))))))) =20=20=20 (defun hal-command () "Synch command to HAL that doesn't block others." (interactive) (message (catch 'hal-done (process-put hal-proc 'callback (lambda (result) (throw 'hal-done result))) (process-send-string hal-proc "OPEN THE POD BAY DOORS!\n") (while (accept-process-output hal-proc))))) You can test this with this very complex C++ program =20=20=20=20 #include #include #include #include =20=20=20=20 int main() { std::string line; const char* retorts[] =3D { "I'M AFRAID I CAN'T DO THAT", "I'D RATHER NOT", "THINK OF THE CONSEQUENCES", "PLEASE STOP" }; while (std::cin >> line) std::cout << retorts[std::rand()%4] << ", DAVE" << std::endl; }