diff options
Diffstat (limited to 'lisp/progmodes/sh-script.el')
| -rw-r--r-- | lisp/progmodes/sh-script.el | 76 |
1 files changed, 50 insertions, 26 deletions
diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el index 476c7961be7..904e9dfc289 100644 --- a/lisp/progmodes/sh-script.el +++ b/lisp/progmodes/sh-script.el @@ -237,6 +237,7 @@ (ksh88 . jsh) (oash . sh) (pdksh . ksh88) + (mksh . pdksh) (posix . sh) (tcsh . csh) (wksh . ksh88) @@ -262,6 +263,7 @@ sh Bourne Shell 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 @@ -271,7 +273,6 @@ sh Bourne Shell :version "24.4" ; added dash :group 'sh-script) - (defcustom sh-alias-alist (append (if (eq system-type 'gnu/linux) '((csh . tcsh) @@ -279,11 +280,20 @@ sh Bourne Shell ;; 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) @@ -387,15 +397,20 @@ the car and cdr are the same symbol.") "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) @@ -680,7 +695,7 @@ removed when closing the here document." "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 @@ -895,7 +910,7 @@ See `sh-feature'.") (: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. @@ -906,7 +921,7 @@ See `sh-feature'.") (: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) @@ -1036,13 +1051,11 @@ Point is at the beginning of the next line." "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) @@ -1073,7 +1086,12 @@ subshells can nest." (`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) @@ -1536,6 +1554,12 @@ When the region is active, send the region instead." ;; 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. @@ -1646,7 +1670,9 @@ with your script for an edit-interpret-debug cycle." ((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) @@ -2300,9 +2326,7 @@ Calls the value of `sh-set-shell-hook' if set." 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) @@ -2354,7 +2378,7 @@ Calls the value of `sh-set-shell-hook' if set." (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)) |