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authorDan Gudmundsson <[email protected]>2017-09-13 14:11:50 +0200
committerDan Gudmundsson <[email protected]>2017-09-13 14:11:50 +0200
commitc6aa4cc50d87f55187dd994e2af794d8a7c23a73 (patch)
tree3fea481f00e62f701412cc50c7a4ff7d10bc5ce1 /lib
parent4cbca1b8d4a62e99fabb0e2c164424cb4cde0608 (diff)
parent7751d48bdaf4d7faacd597ab9835fbdc898f49b0 (diff)
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Merge remote-tracking branch 'upstream/pr/1474' into maint
* upstream/pr/1474: Update the version to 2.8.0 Remove the obsolete erlang-buffer-substring function Add a :package-version property to the new defcustom erlang-shell-prompt-read-only Bump the version number Make the erlang-shell prompt read-only by default Remove a mention of Emacs 21 Drop some redundant backwards compatibility code Enable lexical binding for erlang-mode Remove some ancient compatibility aliases
Diffstat (limited to 'lib')
-rw-r--r--lib/tools/emacs/erlang.el135
1 files changed, 40 insertions, 95 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index 3eff13e1d3..411e0e13df 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -1,10 +1,10 @@
-;;; erlang.el --- Major modes for editing and running Erlang
+;;; erlang.el --- Major modes for editing and running Erlang -*- lexical-binding: t; -*-
;; Copyright (C) 2004 Free Software Foundation, Inc.
;; Author: Anders Lindgren
;; Keywords: erlang, languages, processes
;; Date: 2011-12-11
-;; Version: 2.7.0
+;; Version: 2.8.0
;; Package-Requires: ((emacs "24.1"))
;; %CopyrightBegin%
@@ -84,7 +84,7 @@
"The Erlang programming language."
:group 'languages)
-(defconst erlang-version "2.7"
+(defconst erlang-version "2.8.0"
"The version number of Erlang mode.")
(defcustom erlang-root-dir nil
@@ -1020,26 +1020,15 @@ files written in other languages than Erlang.")
If nil, the inferior shell replaces the window. This is the traditional
behaviour.")
-(defconst inferior-erlang-use-cmm (boundp 'minor-mode-overriding-map-alist)
- "Non-nil means use `compilation-minor-mode' in Erlang shell.")
-
(defvar erlang-mode-map
(let ((map (make-sparse-keymap)))
- (unless (boundp 'indent-line-function)
- (define-key map "\t" 'erlang-indent-command))
(define-key map ";" 'erlang-electric-semicolon)
(define-key map "," 'erlang-electric-comma)
(define-key map "<" 'erlang-electric-lt)
(define-key map ">" 'erlang-electric-gt)
(define-key map "\C-m" 'erlang-electric-newline)
- (if (not (boundp 'delete-key-deletes-forward))
- (define-key map "\177" 'backward-delete-char-untabify)
- (define-key map [(backspace)] 'backward-delete-char-untabify))
- ;;(unless (boundp 'fill-paragraph-function)
+ (define-key map [(backspace)] 'backward-delete-char-untabify)
(define-key map "\M-q" 'erlang-fill-paragraph)
- (unless (boundp 'beginning-of-defun-function)
- (define-key map "\M-\C-a" 'erlang-beginning-of-function)
- (define-key map "\M-\C-e" 'erlang-end-of-function))
(define-key map "\M-\t" 'erlang-complete-tag)
(define-key map "\C-c\M-\t" 'tempo-complete-tag)
(define-key map "\M-+" 'erlang-find-next-tag)
@@ -1058,8 +1047,6 @@ behaviour.")
(define-key map "\C-c\C-y" 'erlang-clone-arguments)
(define-key map "\C-c\C-a" 'erlang-align-arrows)
(define-key map "\C-c\C-z" 'erlang-shell-display)
- (unless inferior-erlang-use-cmm
- (define-key map "\C-x`" 'erlang-next-error))
map)
"Keymap used in Erlang mode.")
(defvar erlang-mode-abbrev-table nil
@@ -3391,14 +3378,6 @@ at the end."
;;; Information retrieval functions.
-(defun erlang-buffer-substring (beg end)
- "Like `buffer-substring-no-properties'.
-Although, this function works on all versions of Emacs."
- (if (fboundp 'buffer-substring-no-properties)
- (funcall (symbol-function 'buffer-substring-no-properties) beg end)
- (buffer-substring beg end)))
-
-
(defun erlang-get-module ()
"Return the name of the module as specified by `-module'.
@@ -3416,7 +3395,7 @@ Return nil if file contains no `-module' attribute."
"\\)?\\)\\s *)\\s *\\."))
(point-max) t)
(erlang-remove-quotes
- (erlang-buffer-substring (match-beginning 1)
+ (buffer-substring-no-properties (match-beginning 1)
(match-end 1)))
nil)
(store-match-data md))))))
@@ -3470,10 +3449,10 @@ corresponds to the order of the parsed Erlang list."
(setq res (cons
(cons
(erlang-remove-quotes
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning 1) (match-end 1)))
(string-to-number
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning
(+ 1 erlang-atom-regexp-matches))
(match-end
@@ -3520,7 +3499,7 @@ function and arity as cdr part."
(erlang-skip-blank)
(if (looking-at erlang-atom-regexp)
(let ((module (erlang-remove-quotes
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning 0)
(match-end 0)))))
(goto-char (match-end 0))
@@ -3553,7 +3532,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.:
(let ((n (if arg 0 1)))
(and (looking-at (eval-when-compile
(concat "^" erlang-atom-regexp "\\s *(")))
- (erlang-buffer-substring (match-beginning n) (match-end n)))))
+ (buffer-substring-no-properties (match-beginning n) (match-end n)))))
(defun erlang-get-function-arrow ()
@@ -3567,7 +3546,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.:
(and
(save-excursion
(re-search-forward "->" (point-max) t)
- (erlang-buffer-substring (- (point) 2) (+ (point) 1)))))
+ (buffer-substring-no-properties (- (point) 2) (+ (point) 1)))))
(defun erlang-get-function-arity ()
"Return the number of arguments of function at point, or nil."
@@ -3633,7 +3612,7 @@ The return value is a string of the form \"foo/1\"."
(let ((start (match-end 0)))
(goto-char (- start 1))
(forward-sexp)
- (erlang-buffer-substring start (- (point) 1)))
+ (buffer-substring-no-properties start (- (point) 1)))
(error nil)))))
@@ -3698,10 +3677,10 @@ of arguments could be found, otherwise nil."
(defun erlang-get-qualified-function-id-at-point ()
(let ((kind 'qualified-function)
(module (erlang-remove-quotes
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning 1) (match-end 1))))
(name (erlang-remove-quotes
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning (1+ erlang-atom-regexp-matches))
(match-end (1+ erlang-atom-regexp-matches)))))
(arity (progn
@@ -3713,14 +3692,14 @@ of arguments could be found, otherwise nil."
(let ((kind 'module)
(module nil)
(name (erlang-remove-quotes
- (erlang-buffer-substring (match-beginning 1)
+ (buffer-substring-no-properties (match-beginning 1)
(match-end 1))))
(arity nil))
(list kind module name arity)))
(defun erlang-get-some-other-id-at-point ()
(let ((name (erlang-remove-quotes
- (erlang-buffer-substring
+ (buffer-substring-no-properties
(match-beginning 0) (match-end 0))))
(imports (erlang-get-import))
kind module arity)
@@ -5135,7 +5114,7 @@ Erlang compilation package.")
"Command to execute to go to the next error.
Change this variable to use your favorite Erlang compilation
-package. Not used in Emacs 21.")
+package.")
;;;###autoload
@@ -5194,6 +5173,13 @@ future, a new shell on an already running host will be started."
(defvar erlang-shell-buffer-name "*erlang*"
"The name of the Erlang link shell buffer.")
+(defcustom erlang-shell-prompt-read-only t
+ "If non-nil, the prompt will be read-only.
+
+Also see the description of `ielm-prompt-read-only'."
+ :type 'boolean
+ :package-version '(erlang . "2.8.0"))
+
(defvar erlang-shell-mode-map nil
"Keymap used by Erlang shells.")
@@ -5234,17 +5220,11 @@ The following special commands are available:
(setq erlang-shell-mode-map (copy-keymap comint-mode-map))
(erlang-shell-mode-commands erlang-shell-mode-map))
(use-local-map erlang-shell-mode-map)
- (unless inferior-erlang-use-cmm
- ;; This was originally not a marker, but it needs to be, at least
- ;; in Emacs 21, and should be backwards-compatible. Otherwise,
- ;; would need to test whether compilation-parsing-end is a marker
- ;; after requiring `compile'.
- (set (make-local-variable 'compilation-parsing-end) (copy-marker 1))
- (set (make-local-variable 'compilation-error-list) nil)
- (set (make-local-variable 'compilation-old-error-list) nil))
;; Needed when compiling directly from the Erlang shell.
(setq compilation-last-buffer (current-buffer))
(setq comint-prompt-regexp "^[^>=]*> *")
+ (make-local-variable 'comint-prompt-read-only)
+ (setq comint-prompt-read-only erlang-shell-prompt-read-only)
(setq comint-eol-on-send t)
(setq comint-input-ignoredups t)
(setq comint-scroll-show-maximum-output t)
@@ -5258,24 +5238,20 @@ The following special commands are available:
(comint-read-input-ring t)
(make-local-variable 'kill-buffer-hook)
(add-hook 'kill-buffer-hook 'comint-write-input-ring)
- ;; At least in Emacs 21, we need to be in `compilation-minor-mode'
- ;; for `next-error' to work. We can avoid it clobbering the shell
- ;; keys thus.
- (when inferior-erlang-use-cmm
- (compilation-minor-mode 1)
- (set (make-local-variable 'minor-mode-overriding-map-alist)
- `((compilation-minor-mode
- . ,(let ((map (make-sparse-keymap)))
- ;; It would be useful to put keymap properties on the
- ;; error lines so that we could use RET and mouse-2
- ;; on them directly.
- (when (boundp 'compilation-skip-threshold) ; new compile.el
- (define-key map [mouse-2] #'erlang-mouse-2-command)
- (define-key map "\C-m" #'erlang-RET-command))
- (if (boundp 'compilation-menu-map)
- (define-key map [menu-bar compilation]
- (cons "Errors" compilation-menu-map)))
- map)))))
+ (compilation-minor-mode 1)
+ (set (make-local-variable 'minor-mode-overriding-map-alist)
+ `((compilation-minor-mode
+ . ,(let ((map (make-sparse-keymap)))
+ ;; It would be useful to put keymap properties on the
+ ;; error lines so that we could use RET and mouse-2
+ ;; on them directly.
+ (when (boundp 'compilation-skip-threshold) ; new compile.el
+ (define-key map [mouse-2] #'erlang-mouse-2-command)
+ (define-key map "\C-m" #'erlang-RET-command))
+ (if (boundp 'compilation-menu-map)
+ (define-key map [menu-bar compilation]
+ (cons "Errors" compilation-menu-map)))
+ map))))
(erlang-tags-init)
(run-hooks 'erlang-shell-mode-hook))
@@ -5304,9 +5280,7 @@ Selects Comint or Compilation mode command as appropriate."
(define-key map "\C-a" 'comint-bol) ; Normally the other way around.
(define-key map "\C-c\C-a" 'beginning-of-line)
(define-key map "\C-d" nil) ; Was `comint-delchar-or-maybe-eof'
- (define-key map "\M-\C-m" 'compile-goto-error)
- (unless inferior-erlang-use-cmm
- (define-key map "\C-x`" 'erlang-next-error)))
+ (define-key map "\M-\C-m" 'compile-goto-error))
;;;
;;; Inferior Erlang -- Run an Erlang shell as a subprocess.
@@ -5917,35 +5891,6 @@ Tab characters are counted by their visual width."
(if (looking-at "[a-z0-9_]+")
(match-string 0))))
-;; Aliases for backward compatibility with older versions of Erlang Mode.
-;;
-;; Unfortuantely, older versions of Emacs doesn't have `defalias' and
-;; `make-obsolete' so we have to define our own `obsolete' function.
-
-(defun erlang-obsolete (sym newdef)
- "Make the obsolete function SYM refer to the defined function NEWDEF.
-
-Simplified version of a combination `defalias' and `make-obsolete',
-it assumes that NEWDEF is loaded."
- (defalias sym (symbol-function newdef))
- (make-obsolete sym newdef "long ago"))
-
-
-(erlang-obsolete 'calculate-erlang-indent 'erlang-calculate-indent)
-(erlang-obsolete 'calculate-erlang-stack-indent
- 'erlang-calculate-stack-indent)
-(erlang-obsolete 'at-erlang-keyword 'erlang-at-keyword)
-(erlang-obsolete 'at-erlang-operator 'erlang-at-operator)
-(erlang-obsolete 'beginning-of-erlang-clause 'erlang-beginning-of-clause)
-(erlang-obsolete 'end-of-erlang-clause 'erlang-end-of-clause)
-(erlang-obsolete 'mark-erlang-clause 'erlang-mark-clause)
-(erlang-obsolete 'beginning-of-erlang-function 'erlang-beginning-of-function)
-(erlang-obsolete 'end-of-erlang-function 'erlang-end-of-function)
-(erlang-obsolete 'mark-erlang-function 'erlang-mark-function)
-(erlang-obsolete 'pass-over-erlang-clause 'erlang-pass-over-function)
-(erlang-obsolete 'name-of-erlang-function 'erlang-name-of-function)
-
-
(defconst erlang-unload-hook
(list (lambda ()
(ad-unadvise 'Man-notify-when-ready)