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authorBozhidar Batsov <[email protected]>2017-04-29 13:22:54 +0300
committerBozhidar Batsov <[email protected]>2017-04-29 13:22:54 +0300
commitb5600b4404ed0aa1a28bfd535188187f641276c5 (patch)
tree9fb23e2813aea2dfdec2eea795c2bef6120492dc /lib/tools
parentfeadbd2c086ad39ab9f9317a8c41697943be41cf (diff)
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Drop some redundant backwards compatibility code
Diffstat (limited to 'lib/tools')
-rw-r--r--lib/tools/emacs/erlang.el59
1 files changed, 16 insertions, 43 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index 7bf9bbbdf1..673b577164 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -1019,26 +1019,15 @@ 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)
@@ -1057,8 +1046,6 @@ 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
@@ -5211,14 +5198,6 @@ 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 "^[^>=]*> *")
@@ -5235,24 +5214,20 @@ 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))
@@ -5281,9 +5256,7 @@ 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.