initial sesman integration

Author: tpeacock19

lisp/ess-inf.el

@@ -37,6 +37,7 @@
 (require 'ess-utils)
 (require 'ess)
 (require 'ess-tracebug)
+(require 'ess-sesman)
 
 (require 'ansi-color)
 (require 'comint)

lisp/ess-sesman.el

@@ -0,0 +1,133 @@
+;;; ess-sesman.el --- description -*- lexical-binding: t; -*-
+;;
+;; Copyright (C) 2021 Trey Peacock
+;;
+;; Author: Trey Peacock <http://github/tpeacock19>
+;; Maintainer: Trey Peacock <[email protected]>
+;; Created: December 13, 2021
+;; Modified: December 13, 2021
+;; Version: 0.0.1
+;; Keywords:
+;; Homepage: https://github.com/tpeacock19/ess-sesman
+;; Package-Requires: ((emacs 29.0.50) (cl-lib "0.5"))
+;;
+;; This file is not part of GNU Emacs.
+;;
+;; This file is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by the
+;; Free Software Foundation; either version 3, or (at your option) any
+;; later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; For a full copy of the GNU General Public License
+;; see <http://www.gnu.org/licenses/>.
+;;
+;;; Commentary:
+;;
+;;  description
+;;
+;;; Code:
+
+(require 'sesman)
+(require 'sesman-browser)
+
+(defun ess-sesman-sessions ()
+  "Return a list of all active ESS sessions."
+  (sesman-sessions 'ESS))
+
+(cl-defmethod sesman-more-relevant-p ((_system (eql ESS)) session1 session2)
+  "Figure out if SESSION1 or SESSION2 is more relevant."
+  (sesman-more-recent-p (cdr session1) (cdr session2)))
+
+(cl-defmethod sesman-project ((_system (eql ESS)))
+  (ignore-errors (expand-file-name (directory-file-name (ess--project-root (project-current))))))
+
+(cl-defmethod sesman-start-session ((_system (eql ESS)))
+  "Start a connection of any type interactively.
+Session will be named after the LANG inferior repl."
+  (pcase major-mode
+    ('ess-r-mode
+     (call-interactively #'run-ess-r))
+    ('ess-julia-mode
+     (call-interactively #'run-ess-julia)))
+  (cons (buffer-name) (current-buffer)))
+
+(cl-defmethod sesman-quit-session ((_system (eql ESS)) session)
+  "Quit an ESS SESSION."
+  (let ((repls (cdr session)))
+    (cl-flet* ((quit (repl)
+                     (when (buffer-live-p repl)
+                       (with-current-buffer repl
+                         (let* ((inf-buf (inferior-ess-force))
+                                (inf-proc (get-buffer-process inf-buf)))
+                           (ess-quit 'no-save)
+                           (inferior-ess--wait-for-exit inf-proc)
+                           (kill-buffer inf-buf))))))
+      (save-selected-window
+        (mapc #'quit repls)))))
+
+(cl-defmethod ess-quit--override (arg &context (ess-dialect "R"))
+  "With ARG, do not offer to save the workspace.
+Additionally, remove sesman object."
+  (let ((cmd (format "base::q('%s')\n" (if arg "no" "default")))
+        (sprocess (ess-get-process ess-current-process-name)))
+    (when (not sprocess) (error "No ESS process running"))
+    (sesman-remove-object 'ESS nil (current-buffer) arg t)
+    (ess-cleanup)
+    (ess-send-string sprocess cmd)))
+
+(cl-defgeneric ess-quit--override (arg &context (ess-dialect "julia"))
+  "Stop the inferior process.
+Additionally, remove sesman object."
+  (let ((proc (ess-get-process)))
+    (sesman-remove-object 'ESS nil (current-buffer) arg t)
+    (ess-cleanup)
+    (when ess-eval-visibly
+      (goto-char (marker-position (process-mark proc)))
+      (insert inferior-ess-exit-command))
+    (process-send-string proc inferior-ess-exit-command)))
+
+(cl-defmethod sesman-restart-session ((_system (eql ESS)) session)
+  "Restart an ESS SESSION."
+  (let ((ses-name (car session))
+        (repls (cdr session)))
+    (cl-flet* ((restart (repl)
+                        (when (buffer-live-p repl)
+                          (with-current-buffer repl
+                            (inferior-ess-reload)))))
+      (mapc #'restart repls))))
+
+(defun ess--sesman-init-repl (&rest _)
+  "Set local variables necessary for a new inf repl."
+  (setq-local sesman-system 'ESS)
+  (sesman-add-object 'ESS (buffer-name) (current-buffer) 'allow-new))
+
+(defun ess--sesman-ensure-process-name ()
+  "Ensure ESS process name and sesman system are registered."
+  (setq-local sesman-system 'ESS)
+  (when (and (not ess-local-process-name)
+             (sesman-current-session 'ESS))
+    (setq ess-local-process-name
+          (process-name (get-buffer-process (cadr (sesman-current-session 'ESS)))))))
+
+(defun ess--sesman-switch-process-link (orig-fun &rest args)
+  "Ensure sesman session switches to new process."
+  (let ((buf (buffer-name))
+        (new-buf (apply orig-fun args)))
+    (sesman-link-with-buffer buf (sesman-session-for-object 'ESS new-buf))))
+
+
+;; ensure sesman set for script buffers
+(add-hook 'ess-r-mode-hook #'ess--sesman-ensure-process-name)
+(add-hook 'ess-julia-mode-hook #'ess--sesman-ensure-process-name)
+
+;; ensure sesman set for repl buffers
+(advice-add #'inferior-ess--set-major-mode :after #'ess--sesman-init-repl)
+(advice-add 'ess-switch-process :around #'ess--sesman-switch-process-link)
+
+(provide 'ess-sesman)
+;;; ess-sesman.el ends here