;;; Commentary:
-;; A smart editing mode for m4 macro definitions. It seems to have most of the
+;; A smart editing mode for m4 macro definitions. It seems to have most of the
;; syntax right (sexp motion commands work, but function motion commands don't).
;; It also sets the font-lock syntax stuff for colorization
:prefix "m4-"
:group 'languages)
-(defcustom m4-program
- (cond
+(defcustom m4-program
+ (cond
((file-exists-p "/usr/local/bin/m4") "/usr/local/bin/m4")
((file-exists-p "/usr/bin/m4") "/usr/bin/m4")
((file-exists-p "/bin/m4") "/bin/m4")
("\\\$\\\@" . font-lock-variable-name-face)
("\\\$\\\*" . font-lock-variable-name-face)
("\\b\\(builtin\\|change\\(com\\|quote\\|word\\)\\|d\\(e\\(bug\\(file\\|mode\\)\\|cr\\|f\\(ine\\|n\\)\\)\\|iv\\(ert\\|num\\)\\|nl\\|umpdef\\)\\|e\\(rrprint\\|syscmd\\|val\\)\\|f\\(ile\\|ormat\\)\\|gnu\\|i\\(f\\(def\\|else\\)\\|n\\(c\\(lude\\|r\\)\\|d\\(ex\\|ir\\)\\)\\)\\|l\\(en\\|ine\\)\\|m\\(4\\(exit\\|wrap\\)\\|aketemp\\)\\|p\\(atsubst\\|opdef\\|ushdef\\)\\|regexp\\|s\\(hift\\|include\\|ubstr\\|ys\\(cmd\\|val\\)\\)\\|tra\\(ceo\\(ff\\|n\\)\\|nslit\\)\\|un\\(d\\(efine\\|ivert\\)\\|ix\\)\\)\\b" . font-lock-keyword-face)
- ("\\b\\(m4_\\(builtin\\|change\\(com\\|quote\\|word\\)\\|d\\(e\\(bug\\(file\\|mode\\)\\|cr\\|f\\(ine\\|n\\)\\)\\|iv\\(ert\\|num\\)\\|nl\\|umpdef\\)\\|e\\(rrprint\\|syscmd\\|val\\)\\|f\\(ile\\|ormat\\)\\|i\\(f\\(def\\|else\\)\\|n\\(c\\(lude\\|r\\)\\|d\\(ex\\|ir\\)\\)\\)\\|l\\(en\\|ine\\)\\|m\\(4\\(_undefine\\|exit\\|wrap\\)\\|aketemp\\)\\|p\\(atsubst\\|opdef\\|ushdef\\)\\|regexp\\|s\\(hift\\|include\\|ubstr\\|ys\\(cmd\\|val\\)\\)\\|tra\\(ceo\\(ff\\|n\\)\\|nslit\\)\\|undivert\\)\\)\\b" . font-lock-keyword-face)
- "Default font-lock-keywords for m4 mode.")
-)
+ ("\\b\\(m4_\\(builtin\\|change\\(com\\|quote\\|word\\)\\|d\\(e\\(bug\\(file\\|mode\\)\\|cr\\|f\\(ine\\|n\\)\\)\\|iv\\(ert\\|num\\)\\|nl\\|umpdef\\)\\|e\\(rrprint\\|syscmd\\|val\\)\\|f\\(ile\\|ormat\\)\\|i\\(f\\(def\\|else\\)\\|n\\(c\\(lude\\|r\\)\\|d\\(ex\\|ir\\)\\)\\)\\|l\\(en\\|ine\\)\\|m\\(4\\(_undefine\\|exit\\|wrap\\)\\|aketemp\\)\\|p\\(atsubst\\|opdef\\|ushdef\\)\\|regexp\\|s\\(hift\\|include\\|ubstr\\|ys\\(cmd\\|val\\)\\)\\|tra\\(ceo\\(ff\\|n\\)\\|nslit\\)\\|undivert\\)\\)\\b" . font-lock-keyword-face))
+ "Default font-lock-keywords for `m4 mode'.")
(defcustom m4-mode-hook nil
"*Hook called by `m4-mode'."
;;this may still need some work
(defvar m4-mode-syntax-table nil
- "syntax table used in m4 mode")
+ "Syntax table used while in `m4-mode'.")
(setq m4-mode-syntax-table (make-syntax-table))
(modify-syntax-entry ?` "('" m4-mode-syntax-table)
(modify-syntax-entry ?' ")`" m4-mode-syntax-table)
map))
(defvar m4-mode-abbrev-table nil
- "Abbrev table used while in text mode.")
+ "Abbrev table used while in `m4-mode'.")
(unless m4-mode-abbrev-table
(define-abbrev-table 'm4-mode-abbrev-table ()))
(defun m4-m4-buffer ()
- "send contents of the current buffer to m4"
+ "Send contents of the current buffer to m4."
(interactive)
(shell-command-on-region (point-min) (point-max) m4-program "*m4-output*"
nil)
(switch-to-buffer-other-window "*m4-output*"))
(defun m4-m4-region ()
- "send contents of the current region to m4"
+ "Send contents of the current region to m4."
(interactive)
(shell-command-on-region (point) (mark) m4-program "*m4-output*" nil)
(switch-to-buffer-other-window "*m4-output*"))
(setq parse-sexp-ignore-comments t)
(setq local-abbrev-table m4-mode-abbrev-table)
- (make-local-variable 'font-lock-defaults)
+ (make-local-variable 'font-lock-defaults)
(setq major-mode 'm4-mode
mode-name "m4"
font-lock-defaults '(m4-font-lock-keywords nil)