File 2291-Remove-a-bunch-of-redundant-feature-and-function-che.patch of Package erlang
From 75bd3a1b6a1f21bf6d8cedc213c1204ad08d32f8 Mon Sep 17 00:00:00 2001
From: Bozhidar Batsov <bozhidar@batsov.com>
Date: Mon, 17 Apr 2017 08:51:46 +0300
Subject: [PATCH 3/3] Remove a bunch of redundant feature and function checks
All of those are present on the target Emacs 24.1.
---
lib/tools/emacs/erlang.el | 142 +++++++++++++++++++---------------------------
1 file changed, 58 insertions(+), 84 deletions(-)
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index 7c99e57b9..a6f250f2c 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -1327,12 +1327,9 @@ replaced by `erlang-etags-tags-completion-table'.")
(defvar next-error-last-buffer))
(eval-when-compile
- (if (or (featurep 'bytecomp)
- (featurep 'byte-compile))
- (progn
- (require 'comint)
- (require 'tempo)
- (require 'compile))))
+ (require 'comint)
+ (require 'tempo)
+ (require 'compile))
(defun erlang-version ()
@@ -1414,8 +1411,7 @@ Other commands:
(erlang-tags-init)
(erlang-font-lock-init)
(erlang-skel-init)
- (when (fboundp 'tempo-use-tag-list)
- (tempo-use-tag-list 'erlang-tempo-tags))
+ (tempo-use-tag-list 'erlang-tempo-tags)
(when (and (fboundp 'add-function) (fboundp 'erldoc-eldoc-function))
(or eldoc-documentation-function
(setq-local eldoc-documentation-function #'ignore))
@@ -2189,36 +2185,33 @@ all skeletons.
The skeleton routines are based on the `tempo' package. Should this
package not be present, this function does nothing."
(interactive)
- (condition-case nil
- (require 'tempo)
- (error t))
- (if (featurep 'tempo)
- (let ((skel erlang-skel)
- (menu '()))
- (while skel
- (cond ((null (car skel))
- (setq menu (cons nil menu)))
- (t
- (funcall (symbol-function 'tempo-define-template)
- (concat "erlang-" (nth 1 (car skel)))
- ;; The tempo template used contains an `include'
- ;; function call only, hence changes to the
- ;; variables describing the templates take effect
- ;; immdiately.
- (list (list 'erlang-skel-include (nth 2 (car skel))))
- (nth 1 (car skel))
- (car (car skel))
- 'erlang-tempo-tags)
- (setq menu (cons (erlang-skel-make-menu-item
- (car skel)) menu))))
- (setq skel (cdr skel)))
- (setq erlang-menu-skel-items
- (list nil (list "Skeletons" (nreverse menu))))
- (setq erlang-menu-items
- (erlang-menu-add-above 'erlang-menu-skel-items
- 'erlang-menu-version-items
- erlang-menu-items))
- (erlang-menu-init))))
+ (require 'tempo)
+ (let ((skel erlang-skel)
+ (menu '()))
+ (while skel
+ (cond ((null (car skel))
+ (setq menu (cons nil menu)))
+ (t
+ (funcall (symbol-function 'tempo-define-template)
+ (concat "erlang-" (nth 1 (car skel)))
+ ;; The tempo template used contains an `include'
+ ;; function call only, hence changes to the
+ ;; variables describing the templates take effect
+ ;; immediately.
+ (list (list 'erlang-skel-include (nth 2 (car skel))))
+ (nth 1 (car skel))
+ (car (car skel))
+ 'erlang-tempo-tags)
+ (setq menu (cons (erlang-skel-make-menu-item
+ (car skel)) menu))))
+ (setq skel (cdr skel)))
+ (setq erlang-menu-skel-items
+ (list nil (list "Skeletons" (nreverse menu))))
+ (setq erlang-menu-items
+ (erlang-menu-add-above 'erlang-menu-skel-items
+ 'erlang-menu-version-items
+ erlang-menu-items))
+ (erlang-menu-init)))
(defun erlang-skel-make-menu-item (skel)
(let ((func (intern (concat "tempo-template-erlang-" (nth 1 skel)))))
@@ -3804,9 +3797,9 @@ of arguments could be found, otherwise nil."
(if (and (stringp str)
(not (string-match (eval-when-compile
(concat "\\`" erlang-atom-regexp "\\'")) str)))
- (progn (if (fboundp 'replace-regexp-in-string)
- (setq str (replace-regexp-in-string "'" "\\'" str t t )))
- (concat "'" str "'"))
+ (progn
+ (setq str (replace-regexp-in-string "'" "\\'" str t t ))
+ (concat "'" str "'"))
str)))
@@ -4201,9 +4194,7 @@ context, nil is returned."
(let* ((lim (or lim (save-excursion
(erlang-beginning-of-clause)
(point))))
- (state (if (fboundp 'syntax-ppss) ; post Emacs 21.3
- (funcall (symbol-function 'syntax-ppss))
- (parse-partial-sexp lim (point)))))
+ (state (funcall (symbol-function 'syntax-ppss))))
(cond
((eq (nth 3 state) ?') 'atom)
((nth 3 state) 'string)
@@ -4314,10 +4305,7 @@ This function is designed to be a member of a criteria list."
;;; Erlang tags support which is aware of erlang modules.
(eval-when-compile
- (if (or (featurep 'bytecomp)
- (featurep 'byte-compile))
- (progn
- (require 'etags))))
+ (require 'etags))
;; Variables:
@@ -4507,8 +4495,7 @@ Tags can be given on the forms `tag', `module:', `module:tag'."
(while (null file)
(or erlang-tags-file-list
(save-excursion
- (if (and (featurep 'etags)
- (funcall
+ (if (and (funcall
(symbol-function 'visit-tags-table-buffer) 'same)
(funcall
(symbol-function 'visit-tags-table-buffer) t))
@@ -4562,9 +4549,7 @@ Tags can be given on the forms `tag', `module:', `module:tag'."
(prompt (if default
(format "%s(default %s) " prompt default)
prompt))
- (spec (if (featurep 'etags)
- (completing-read prompt 'erlang-tags-complete-tag)
- (read-string prompt))))
+ (spec (completing-read prompt 'erlang-tags-complete-tag)))
(list (if (equal spec "")
(or default (error "There is no default tag"))
spec)))))
@@ -4718,21 +4703,17 @@ for a tag on the form `module:tag'."
;;; completion-table' containing all normal tags plus tags on the form
;;; `module:tag' and `module:'.
-(when (and (locate-library "etags")
- (require 'etags)
- (fboundp 'etags-tags-completion-table)
- (fboundp 'tags-lazy-completion-table)) ; Emacs 23.1+
- (if (fboundp 'advice-add)
- ;; Emacs 24.4+
- (advice-add 'etags-tags-completion-table :around
- #'erlang-etags-tags-completion-table-advice)
- ;; Emacs 23.1-24.3
- (defadvice etags-tags-completion-table (around
- erlang-replace-tags-table
- activate)
- (if erlang-replace-etags-tags-completion-table
- (setq ad-return-value (erlang-etags-tags-completion-table))
- ad-do-it))))
+(if (fboundp 'advice-add)
+ ;; Emacs 24.4+
+ (advice-add 'etags-tags-completion-table :around
+ #'erlang-etags-tags-completion-table-advice)
+ ;; Emacs 23.1-24.3
+ (defadvice etags-tags-completion-table (around
+ erlang-replace-tags-table
+ activate)
+ (if erlang-replace-etags-tags-completion-table
+ (setq ad-return-value (erlang-etags-tags-completion-table))
+ ad-do-it)))
(defun erlang-etags-tags-completion-table-advice (oldfun)
(if erlang-replace-etags-tags-completion-table
@@ -5246,13 +5227,11 @@ The following special commands are available:
'inferior-erlang-strip-delete nil t)
(add-hook 'comint-output-filter-functions
'inferior-erlang-strip-ctrl-m nil t)
- ;; Some older versions of comint don't have an input ring.
- (if (fboundp 'comint-read-input-ring)
- (progn
- (setq comint-input-ring-file-name erlang-input-ring-file-name)
- (comint-read-input-ring t)
- (make-local-variable 'kill-buffer-hook)
- (add-hook 'kill-buffer-hook 'comint-write-input-ring)))
+
+ (setq comint-input-ring-file-name erlang-input-ring-file-name)
+ (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.
@@ -5370,10 +5349,7 @@ editing control characters:
\\{erlang-shell-mode-map}"
(interactive
(when current-prefix-arg
- (list (if (fboundp 'read-shell-command)
- ;; `read-shell-command' is a new function in Emacs 23.
- (read-shell-command "Erlang command: ")
- (read-string "Erlang command: ")))))
+ (list ((read-shell-command "Erlang command: ")))))
(require 'comint)
(let (cmd opts)
(if command
@@ -5926,8 +5902,7 @@ Tab characters are counted by their visual width."
Simplified version of a combination `defalias' and `make-obsolete',
it assumes that NEWDEF is loaded."
(defalias sym (symbol-function newdef))
- (if (fboundp 'make-obsolete)
- (make-obsolete sym newdef "long ago")))
+ (make-obsolete sym newdef "long ago"))
(erlang-obsolete 'calculate-erlang-indent 'erlang-calculate-indent)
@@ -5947,9 +5922,8 @@ it assumes that NEWDEF is loaded."
(defconst erlang-unload-hook
(list (lambda ()
- (when (featurep 'advice)
- (ad-unadvise 'Man-notify-when-ready)
- (ad-unadvise 'set-visited-file-name)))))
+ (ad-unadvise 'Man-notify-when-ready)
+ (ad-unadvise 'set-visited-file-name))))
;; The end...
--
2.12.2
