(ksh88 . jsh)
(oash . sh)
(pdksh . ksh88)
+ (mksh . pdksh)
(posix . sh)
(tcsh . csh)
(wksh . ksh88)
ksh Korn Shell '93
dtksh CDE Desktop Korn Shell
pdksh Public Domain Korn Shell
+ mksh MirOS BSD Korn Shell
wksh Window Korn Shell
zsh Z Shell
oash SCO OA (curses) Shell
:version "24.4" ; added dash
:group 'sh-script)
-
(defcustom sh-alias-alist
(append (if (eq system-type 'gnu/linux)
'((csh . tcsh)
;; for the time being
'((ksh . ksh88)
(bash2 . bash)
- (sh5 . sh)))
+ (sh5 . sh)
+ ;; Android's system shell
+ ("^/system/bin/sh$" . mksh)))
"Alist for transforming shell names to what they really are.
-Use this where the name of the executable doesn't correspond to the type of
-shell it really is."
- :type '(repeat (cons symbol symbol))
+Use this where the name of the executable doesn't correspond to
+the type of shell it really is. Keys are regular expressions
+matched against the full path of the interpreter. (For backward
+compatibility, keys may also be symbols, which are matched
+against the interpreter's basename. The values are symbols
+naming the shell."
+ :type '(repeat (cons (radio
+ (regexp :tag "Regular expression")
+ (symbol :tag "Basename"))
+ (symbol :tag "Shell")))
:group 'sh-script)
"Non-nil if `sh-shell-variables' is initialized.")
(defun sh-canonicalize-shell (shell)
- "Convert a shell name SHELL to the one we should handle it as."
- (if (string-match "\\.exe\\'" shell)
- (setq shell (substring shell 0 (match-beginning 0))))
- (or (symbolp shell)
- (setq shell (intern shell)))
- (or (cdr (assq shell sh-alias-alist))
- shell))
-
-(defvar sh-shell (sh-canonicalize-shell (file-name-nondirectory sh-shell-file))
+ "Convert a shell name SHELL to the one we should handle it as.
+SHELL is a full path to the shell interpreter; return a shell
+name symbol."
+ (cl-loop
+ with shell = (cond ((string-match "\\.exe\\'" shell)
+ (substring shell 0 (match-beginning 0)))
+ (t shell))
+ with shell-base = (intern (file-name-nondirectory shell))
+ for (key . value) in sh-alias-alist
+ if (and (stringp key) (string-match key shell)) return value
+ if (eq key shell-base) return value
+ finally return shell-base))
+
+(defvar sh-shell (sh-canonicalize-shell sh-shell-file)
"The shell being programmed. This is set by \\[sh-set-shell].")
;;;###autoload(put 'sh-shell 'safe-local-variable 'symbolp)
"jobs" "kill" "let" "local" "popd" "printf" "pushd" "shopt"
"source" "suspend" "typeset" "unalias"
;; bash4
- "mapfile" "readarray")
+ "mapfile" "readarray" "coproc")
;; The next entry is only used for defining the others
(bourne sh-append shell
(:foreground "tan1" ))
(t
(:weight bold)))
- "Face to show a here-document"
+ "Face to show a here-document."
:group 'sh-indentation)
;; These colors are probably icky. It's just a placeholder though.
(:foreground "magenta"))
(t
(:weight bold)))
- "Face to show quoted execs like ``"
+ "Face to show quoted execs like `blabla`."
:group 'sh-indentation)
(define-obsolete-face-alias 'sh-heredoc-face 'sh-heredoc "22.1")
(defvar sh-heredoc-face 'sh-heredoc)
"Search for a subshell embedded in a string.
Find all the unescaped \" characters within said subshell, remembering that
subshells can nest."
- ;; FIXME: This can (and often does) match multiple lines, yet it makes no
- ;; effort to handle multiline cases correctly, so it ends up being
- ;; rather flaky.
(when (eq ?\" (nth 3 (syntax-ppss))) ; Check we matched an opening quote.
;; bingo we have a $( or a ` inside a ""
(let (;; `state' can be: double-quote, backquote, code.
(state (if (eq (char-before) ?`) 'backquote 'code))
+ (startpos (point))
;; Stacked states in the context.
(states '(double-quote)))
(while (and state (progn (skip-chars-forward "^'\\\\\"`$()" limit)
(`double-quote nil)
(_ (setq state (pop states)))))
(_ (error "Internal error in sh-font-lock-quoted-subshell")))
- (forward-char 1)))))
+ (forward-char 1))
+ (when (< startpos (line-beginning-position))
+ (put-text-property startpos (point) 'syntax-multiline t)
+ (add-hook 'syntax-propertize-extend-region-functions
+ 'syntax-propertize-multiline nil t))
+ )))
(defun sh-is-quoted-p (pos)
\f
;; mode-command and utility functions
+(defun sh-after-hack-local-variables ()
+ (when (assq 'sh-shell file-local-variables-alist)
+ (sh-set-shell (if (symbolp sh-shell)
+ (symbol-name sh-shell)
+ sh-shell))))
+
;;;###autoload
(define-derived-mode sh-mode prog-mode "Shell-script"
"Major mode for editing shell scripts.
((string-match "[.]csh\\>" buffer-file-name) "csh")
((equal (file-name-nondirectory buffer-file-name) ".profile") "sh")
(t sh-shell-file))
- nil nil))
+ nil nil)
+ (add-hook 'hack-local-variables-hook
+ #'sh-after-hack-local-variables nil t))
;;;###autoload
(defalias 'shell-script-mode 'sh-mode)
t))
(if (string-match "\\.exe\\'" shell)
(setq shell (substring shell 0 (match-beginning 0))))
- (setq sh-shell (intern (file-name-nondirectory shell))
- sh-shell (or (cdr (assq sh-shell sh-alias-alist))
- sh-shell))
+ (setq sh-shell (sh-canonicalize-shell shell))
(if insert-flag
(setq sh-shell-file
(executable-set-magic shell (sh-feature sh-shell-arg)
(when font-lock-mode
(setq font-lock-set-defaults nil)
(font-lock-set-defaults)
- (font-lock-fontify-buffer))
+ (font-lock-flush))
(setq sh-shell-process nil)
(run-hooks 'sh-set-shell-hook))