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emacs/lisp/ess/ess.el
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;;; ess.el --- Emacs Speaks Statistics -*- lexical-binding: t; -*-
;; Copyright (C) 1997-2025 Free Software Foundation, Inc.
;; Author: David Smith <dsmith@stats.adelaide.edu.au>
;; A.J. Rossini <blindglobe@gmail.com>
;; Richard M. Heiberger <rmh@temple.edu>
;; Kurt Hornik <Kurt.Hornik@R-project.org>
;; Martin Maechler <maechler@stat.math.ethz.ch>
;; Rodney A. Sparapani <rsparapa@mcw.edu>
;; Stephen Eglen <stephen@gnu.org>
;; Sebastian P. Luque <spluque@gmail.com>
;; Henning Redestig <henning.red@googlemail.com>
;; Vitalie Spinu <spinuvit@gmail.com>
;; Lionel Henry <lionel.hry@gmail.com>
;; J. Alexander Branham <alex.branham@gmail.com>
;;
;; Maintainer: ESS Core Team <ESS-core@r-project.org>
;; Created: 7 Jan 1994
;; Package-Version: 20251015.1619
;; Package-Revision: a7d685bd9a3d
;; URL: https://ess.r-project.org/
;; Package-Requires: ((emacs "25.1"))
;; ESSR-Version: 1.8
;; This file is part of GNU Emacs.
;;; License:
;;
;; This program 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 of the License, 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.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see
;; <http://www.gnu.org/licenses/>
;;; Commentary:
;;
;; Emacs Speaks Statistics (ESS) is a package designed to support editing of
;; scripts and interaction with various statistical analysis programs such as R,
;; S-Plus, SAS, Stata and OpenBUGS/JAGS. For more details please visit ESS home
;; page at https://ess.r-project.org/
;;; Code:
(require 'ess-utils)
(require 'cl-generic)
(require 'lisp-mnt)
(defvar reporter-prompt-for-summary-p)
;; Versions
(defconst ess-version (eval-when-compile
(lm-version (or (and (boundp 'load-true-file-name)
load-true-file-name)
load-file-name
buffer-file-name)))
"Version of ESS currently loaded.")
(defconst essr-version (eval-when-compile
(lm-with-file (or (and (boundp 'load-true-file-name)
load-true-file-name)
load-file-name
buffer-file-name)
(lm-header "ESSR-Version")))
"Version of ESSR package.")
(defvar ess-revision nil
"The revision and date of ESS.
Is set by \\[ess-version-string].")
;;;###autoload
(defun ess-version ()
"Return a string with ESS version information."
(interactive)
(message (format "ess-version: %s (loaded from %s)"
(ess-version-string)
(file-name-directory ess-lisp-directory))))
(defun ess-version-string ()
(let* ((ess-dir (file-name-directory ess-lisp-directory)) ; if(<from source>) the top-level 'ess/'
(is-release (file-exists-p (concat ess-etc-directory ".IS.RELEASE")))
(rel-string (if is-release "Released "))
(git-ref-fn (concat ess-dir ".git/HEAD"))
(git-ref (when (file-exists-p git-ref-fn)
(with-current-buffer (find-file-noselect git-ref-fn)
(goto-char (point-min))
(when (re-search-forward "ref: \\(.*\\)\n" nil t)
(match-string 1)))))
(git-fname (if git-ref
(concat ess-dir ".git/" git-ref)
;; For release
(concat ess-etc-directory "git-ref")))
(git-rev (when (file-exists-p git-fname)
(with-current-buffer (find-file-noselect git-fname)
(goto-char (point-min))
(concat "git: "(buffer-substring
(point-min) (line-end-position))))))
(elpa-fname (concat ess-dir "ess-pkg.el"))
(elpa-rev (when (file-exists-p elpa-fname)
;; Get it from ELPA dir name, (probably won't work if installed manually)
(concat "elpa: "
(replace-regexp-in-string "ess-" ""
(file-name-nondirectory
(substring ess-dir 1 -1)))))))
;; Set the "global" ess-revision:
(setq ess-revision (format "%s%s%s"
(or rel-string "")
(or git-rev "")
(or elpa-rev "")))
(when (string= ess-revision "")
(setq ess-revision "<unknown>"))
(concat ess-version " [" ess-revision "]")))
;;; Bug Reporting
;;;###autoload
(defun ess-submit-bug-report ()
"Submit a bug report to the ESS maintainers."
(interactive)
(let ((reporter-prompt-for-summary-p 't))
(reporter-submit-bug-report
"ess-help@r-project.org"
(concat "ess-mode " (ess-version-string))
(list 'ess-language
'ess-dialect
'ess-ask-for-ess-directory
'ess-ask-about-transfile
'default-directory
'ess-keep-dump-files
'ess-source-directory
'ess-use-ido
'ess-use-eldoc
'ess-use-tracebug
'ess-use-auto-complete
'ess-use-company
'ess-eval-visibly-p
'ess-can-eval-in-background
'ess-local-process-name)
nil
(lambda ()
;;(goto-char (point-max))
(rfc822-goto-eoh)
(forward-line 1)
(insert "\n\n-------------------------------------------------------------\n")
(insert "This bug report will be sent to the ESS _help_ email list\n")
(insert ">>> _INSTEAD_ we strongly recommend you open an issue for this\n")
(insert " at https://github.com/emacs-ess/ESS/issues .\n\n")
(insert "If you still prefer to use the ESS help email, press C-c C-c to send your message.\n")
(insert "-------------------------------------------------------------\n\n")
(insert (with-current-buffer ess-dribble-buffer
(goto-char (point-max))
(forward-line -100)
(buffer-substring-no-properties (point) (point-max))))))))
;;; Timer
(defcustom ess-idle-timer-interval 1
"Number of seconds to wait before running function in `ess-idle-timer-functions'."
:type '(integer)
:group 'ess)
(defvar ess-idle-timer-functions nil
"A list of functions to run each `ess-idle-timer-interval' idle seconds.
If your function calls the process, you better use
`ess-when-new-input' to wrap your call. If you call the
subprocess please respect `ess-can-eval-in-background' variable.
These functions are run with `run-hooks'. Use `add-hook' to add
symbols to this variable.
Most likely you will need a local hook. Then you should specify
the LOCAL argument to `add-hook' and initialize it in
`ess-mode-hook' or `ess-post-run-hook', or one of the more
specialized hooks `ess-r-post-run-hook',`ess-stata-post-run-hook'
etc.")
(defun ess--idle-timer-function nil
"Internal function executed by `ess--idle-timer'."
(run-hooks 'ess-idle-timer-functions))
(require 'timer)
(defvar ess--idle-timer
(run-with-idle-timer ess-idle-timer-interval 'repeat
#'ess--idle-timer-function)
"Timer used to run `ess-idle-timer-functions'.")
;;; Dispatch on ess-dialect
;; Inspired by major-mode specializer in cl-generic.el
;; FIXME: Implement a notion of derived dialects. major-mode specializer cannot
;; be used here as we need same dialect in different major-modes.
;; Two parts:
;; 1) first define a specializer (ess-dialect= DIALECT) to match symbols
;; representing ess dialects.
;; 2) then define a context-rewriter so you can write
;; `&context (ess-dialect "R")` rather than
;; `&context (ess-dialect (ess-dialect= "R"))`.
(cl-generic-define-generalizer ess--generic-dialect-generalizer
95
(lambda (name &rest _) `(if (stringp ,name) (intern ,name)
(if (symbolp ,name) ,name)))
(lambda (tag &rest _) `((ess-dialect= ,tag))))
(cl-defmethod cl-generic-generalizers ((_specializer (head ess-dialect=)))
"Support for (ess-dialect DIALECT) context specializer."
(list ess--generic-dialect-generalizer))
(cl-generic-define-context-rewriter ess-dialect (dialect)
`(ess-dialect (ess-dialect= ,(if (stringp dialect)
(intern dialect)
dialect))))
;; (cl-defgeneric ess-print-dialect ()
;; (error "unknown dialect %s" ess-dialect))
;; (cl-defmethod ess-print-dialect (&context (ess-dialect "R"))
;; (message "dialect: R"))
;; (cl-defmethod ess-print-dialect (&context (ess-dialect "julia"))
;; (message "dialect: julia"))
(provide 'ess)
;;; ess.el ends here