;; Copyright (C) 1985, 1986, 1987, 1992, 1993, 1994, 1995, 1996,
;; 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Maintainer: FSF
;;; Code:
+(eval-when-compile (require 'cl))
+
(defvar font-lock-keywords)
(defgroup backup nil
A list of elements of the form (FROM . TO), each meaning to replace
FROM with TO when it appears in a directory name. This replacement is
done when setting up the default directory of a newly visited file.
-*Every* FROM string should start with `^'.
+*Every* FROM string should start with \"\\\\`\".
FROM and TO should be equivalent names, which refer to the
same directory. Do not use `~' in the TO strings;
(or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp"))))
"The directory for writing temporary files."
:group 'files
+ :initialize 'custom-initialize-delay
:type 'directory)
(defcustom small-temporary-file-directory
by programs that create small temporary files. This is for systems that
have fast storage with limited space, such as a RAM disk."
:group 'files
+ :initialize 'custom-initialize-delay
:type '(choice (const nil) directory))
;; The system null device. (Should reference NULL_DEVICE from C.)
-(defvar null-device "/dev/null" "The system null device.")
+(defvar null-device (purecopy "/dev/null") "The system null device.")
(declare-function msdos-long-file-names "msdos.c")
(declare-function w32-long-file-name "w32proc.c")
(defvar file-name-invalid-regexp
(cond ((and (eq system-type 'ms-dos) (not (msdos-long-file-names)))
+ (purecopy
(concat "^\\([^A-Z[-`a-z]\\|..+\\)?:\\|" ; colon except after drive
"[+, ;=|<>\"?*]\\|\\[\\|\\]\\|" ; invalid characters
"[\000-\037]\\|" ; control characters
"\\(/\\.\\.?[^/]\\)\\|" ; leading dots
- "\\(/[^/.]+\\.[^/.]*\\.\\)")) ; more than a single dot
+ "\\(/[^/.]+\\.[^/.]*\\.\\)"))) ; more than a single dot
((memq system-type '(ms-dos windows-nt cygwin))
+ (purecopy
(concat "^\\([^A-Z[-`a-z]\\|..+\\)?:\\|" ; colon except after drive
- "[|<>\"?*\000-\037]")) ; invalid characters
- (t "[\000]"))
+ "[|<>\"?*\000-\037]"))) ; invalid characters
+ (t (purecopy "[\000]")))
"Regexp recognizing file names which aren't allowed by the filesystem.")
(defcustom file-precious-flag nil
:group 'auto-save
:type '(repeat (list (string :tag "Regexp") (string :tag "Replacement")
(boolean :tag "Uniquify")))
+ :initialize 'custom-initialize-delay
:version "21.1")
(defcustom save-abbrevs t
:type '(hook :options (cvs-dired-noselect dired-noselect))
:group 'find-file)
+;; FIXME: also add a hook for `(thing-at-point 'filename)'
+(defcustom file-name-at-point-functions '(ffap-guess-file-name-at-point)
+ "List of functions to try in sequence to get a file name at point.
+Each function should return either nil or a file name found at the
+location of point in the current buffer."
+ :type '(hook :options (ffap-guess-file-name-at-point))
+ :group 'find-file)
+
;;;It is not useful to make this a local variable.
;;;(put 'find-file-not-found-hooks 'permanent-local t)
(defvar find-file-not-found-functions nil
The command \\[normal-mode], when used interactively,
always obeys file local variable specifications and the -*- line,
and ignores this variable."
+ :risky t
:type '(choice (const :tag "Query Unsafe" t)
(const :tag "Safe Only" :safe)
(const :tag "Do all" :all)
The value can be t, nil or something else.
A value of t means obey `eval' variables.
A value of nil means ignore them; anything else means query."
+ :risky t
:type '(choice (const :tag "Obey" t)
(const :tag "Ignore" nil)
(other :tag "Query" other))
;; Put the name into directory syntax now,
;; because otherwise expand-file-name may give some bad results.
(setq dir (file-name-as-directory dir))
- (setq dir (abbreviate-file-name (expand-file-name dir)))
+ ;; We used to additionally call abbreviate-file-name here, for an
+ ;; unknown reason. Problem is that most buffers are setup
+ ;; without going through cd-absolute and don't call
+ ;; abbreviate-file-name on their default-directory, so the few that
+ ;; do end up using a superficially different directory.
+ (setq dir (expand-file-name dir))
(if (not (file-directory-p dir))
(if (file-exists-p dir)
(error "%s is not a directory" dir)
(unless (file-executable-p dir)
(error "Cannot cd to %s: Permission denied" dir))
(setq default-directory dir)
- (set (make-local-variable 'list-buffers-directory) dir)))
+ (setq list-buffers-directory dir)))
(defun cd (dir)
"Make DIR become the current buffer's default directory.
(defun locate-file-completion-table (dirs suffixes string pred action)
"Do completion for file names passed to `locate-file'."
- (if (file-name-absolute-p string)
- (let ((read-file-name-predicate pred))
- (read-file-name-internal string nil action))
+ (cond
+ ((file-name-absolute-p string)
+ ;; FIXME: maybe we should use completion-file-name-table instead,
+ ;; tho at least for `load', the arg is passed through
+ ;; substitute-in-file-name for historical reasons.
+ (read-file-name-internal string pred action))
+ ((eq (car-safe action) 'boundaries)
+ (let ((suffix (cdr action)))
+ (list* 'boundaries
+ (length (file-name-directory string))
+ (let ((x (file-name-directory suffix)))
+ (if x (1- (length x)) (length suffix))))))
+ (t
(let ((names nil)
(suffix (concat (regexp-opt suffixes t) "\\'"))
- (string-dir (file-name-directory string)))
+ (string-dir (file-name-directory string))
+ (string-file (file-name-nondirectory string)))
(dolist (dir dirs)
(unless dir
(setq dir default-directory))
(if string-dir (setq dir (expand-file-name string-dir dir)))
(when (file-directory-p dir)
(dolist (file (file-name-all-completions
- (file-name-nondirectory string) dir))
- (add-to-list 'names (if string-dir (concat string-dir file) file))
+ string-file dir))
+ (push file names)
(when (string-match suffix file)
(setq file (substring file 0 (match-beginning 0)))
- (push (if string-dir (concat string-dir file) file) names)))))
- (complete-with-action action names string pred))))
+ (push file names)))))
+ (completion-table-with-context
+ string-dir names string-file pred action)))))
(defun locate-file-completion (string path-and-suffixes action)
"Do completion for file names passed to `locate-file'.
(make-obsolete 'locate-file-completion 'locate-file-completion-table "23.1")
(defvar locate-dominating-stop-dir-regexp
- "\\`\\(?:[\\/][\\/][^\\/]+[\\/]\\|/\\(?:net\\|afs\\|\\.\\.\\.\\)/\\)\\'"
+ (purecopy "\\`\\(?:[\\/][\\/][^\\/]+[\\/]\\|/\\(?:net\\|afs\\|\\.\\.\\.\\)/\\)\\'")
"Regexp of directory names which stop the search in `locate-dominating-file'.
Any directory whose name matches this regexp will be treated like
a kind of root directory by `locate-dominating-file' which will stop its search
(defun load-library (library)
"Load the Emacs Lisp library named LIBRARY.
-This is one of two interfaces (the other being `load-file') to the underlying
-function `load'. The library actually loaded is searched for in `load-path'
-with or without the `load-suffixes' (as well as `load-file-rep-suffixes').
-See Info node `(emacs)Lisp Libraries' for more details."
+This is an interface to the function `load'. LIBRARY is searched
+for in `load-path', both with and without `load-suffixes' (as
+well as `load-file-rep-suffixes').
+
+See Info node `(emacs)Lisp Libraries' for more details.
+See `load-file' for a different interface to `load'."
(interactive
(list (completing-read "Load library: "
(apply-partially 'locate-file-completion-table
;;(make-frame-visible (window-frame old-window))
))
-(defvar find-file-default nil
- "Used within `find-file-read-args'.")
-
(defmacro minibuffer-with-setup-hook (fun &rest body)
- "Add FUN to `minibuffer-setup-hook' while executing BODY.
+ "Temporarily add FUN to `minibuffer-setup-hook' while executing BODY.
BODY should use the minibuffer at most once.
-Recursive uses of the minibuffer will not be affected."
+Recursive uses of the minibuffer are unaffected (FUN is not
+called additional times).
+
+This macro actually adds an auxiliary function that calls FUN,
+rather than FUN itself, to `minibuffer-setup-hook'."
(declare (indent 1) (debug t))
(let ((hook (make-symbol "setup-hook")))
`(let (,hook)
(remove-hook 'minibuffer-setup-hook ,hook)))))
(defun find-file-read-args (prompt mustmatch)
- (list (let ((find-file-default
- (and buffer-file-name
- (abbreviate-file-name buffer-file-name))))
- (minibuffer-with-setup-hook
- (lambda () (setq minibuffer-default find-file-default))
- (read-file-name prompt nil default-directory mustmatch)))
+ (list (read-file-name prompt nil default-directory mustmatch)
t))
(defun find-file (filename &optional wildcards)
Like \\[find-file], but only allow a file that exists, and do not allow
file names with wildcards."
(interactive (nbutlast (find-file-read-args "Find existing file: " t)))
- (if (and (not (interactive-p)) (not (file-exists-p filename)))
+ (if (and (not (called-interactively-p 'interactive))
+ (not (file-exists-p filename)))
(error "%s does not exist" filename)
(find-file filename)
(current-buffer)))
t)))
(unless (run-hook-with-args-until-failure 'kill-buffer-query-functions)
(error "Aborted"))
- (when (and (buffer-modified-p) (buffer-file-name))
- (if (yes-or-no-p (format "Buffer %s is modified; kill anyway? "
- (buffer-name)))
- (unless (yes-or-no-p "Kill and replace the buffer without saving it? ")
- (error "Aborted"))
- (save-buffer)))
+ (when (and (buffer-modified-p) buffer-file-name)
+ (if (yes-or-no-p (format "Buffer %s is modified; save it first? "
+ (buffer-name)))
+ (save-buffer)
+ (unless (yes-or-no-p "Kill and replace the buffer without saving it? ")
+ (error "Aborted"))))
(let ((obuf (current-buffer))
(ofile buffer-file-name)
(onum buffer-file-number)
(odir dired-directory)
(otrue buffer-file-truename)
(oname (buffer-name)))
+ ;; Run `kill-buffer-hook' here. It needs to happen before
+ ;; variables like `buffer-file-name' etc are set to nil below,
+ ;; because some of the hooks that could be invoked
+ ;; (e.g., `save-place-to-alist') depend on those variables.
+ ;;
+ ;; Note that `kill-buffer-hook' is not what queries whether to
+ ;; save a modified buffer visiting a file. Rather, `kill-buffer'
+ ;; asks that itself. Thus, there's no need to temporarily do
+ ;; `(set-buffer-modified-p nil)' before running this hook.
+ (run-hooks 'kill-buffer-hook)
+ ;; Okay, now we can end-of-life the old buffer.
(if (get-buffer " **lose**")
(kill-buffer " **lose**"))
(rename-buffer " **lose**")
(rename-buffer oname)))
(unless (eq (current-buffer) obuf)
(with-current-buffer obuf
- ;; We already asked; don't ask again.
- (let ((kill-buffer-query-functions))
+ ;; We already ran these; don't run them again.
+ (let (kill-buffer-query-functions kill-buffer-hook)
(kill-buffer obuf))))))
\f
(defun create-file-buffer (filename)
Choose the buffer's name using `generate-new-buffer-name'."
(get-buffer-create (generate-new-buffer-name name)))
-(defcustom automount-dir-prefix "^/tmp_mnt/"
+(defcustom automount-dir-prefix (purecopy "^/tmp_mnt/")
"Regexp to match the automounter prefix in a directory name."
:group 'files
:type 'regexp)
(or abbreviated-home-dir
(setq abbreviated-home-dir
(let ((abbreviated-home-dir "$foo"))
- (concat "^" (abbreviate-file-name (expand-file-name "~"))
+ (concat "\\`" (abbreviate-file-name (expand-file-name "~"))
"\\(/\\|\\'\\)"))))
;; If FILENAME starts with the abbreviated homedir,
(= (aref filename 0) ?/)))
;; MS-DOS root directories can come with a drive letter;
;; Novell Netware allows drive letters beyond `Z:'.
- (not (and (or (eq system-type 'ms-dos)
- (eq system-type 'cygwin)
- (eq system-type 'windows-nt))
+ (not (and (memq system-type '(ms-dos windows-nt cygwin))
(save-match-data
(string-match "^[a-zA-`]:/$" filename)))))
(setq filename
(when (and buf (funcall predicate buf)) buf))
(let ((list (buffer-list)) found)
(while (and (not found) list)
- (save-excursion
- (set-buffer (car list))
+ (with-current-buffer (car list)
(if (and buffer-file-name
(string= buffer-file-truename truename)
(funcall predicate (current-buffer)))
:version "22.1"
:type '(choice integer (const :tag "Never request confirmation" nil)))
-(defun abort-if-file-too-large (size op-type)
+(defun abort-if-file-too-large (size op-type filename)
"If file SIZE larger than `large-file-warning-threshold', allow user to abort.
OP-TYPE specifies the file operation being performed (for message to user)."
(when (and large-file-warning-threshold size
(setq buf other))))
;; Check to see if the file looks uncommonly large.
(when (not (or buf nowarn))
- (abort-if-file-too-large (nth 7 attributes) "open"))
+ (abort-if-file-too-large (nth 7 attributes) "open" filename))
(if buf
;; We are using an existing buffer.
(let (nonexistent)
(signal 'file-error (list "Opening input file" "file is a directory"
filename)))
;; Check whether the file is uncommonly large
- (abort-if-file-too-large (nth 7 (file-attributes filename)) "insert")
+ (abort-if-file-too-large (nth 7 (file-attributes filename)) "insert" filename)
(let* ((buffer (find-buffer-visiting (abbreviate-file-name (file-truename filename))
#'buffer-modified-p))
(tem (funcall insert-func filename)))
In a Lisp program, if you want to be sure of accessing a file's
contents literally, you should create a temporary buffer and then read
the file contents into it using `insert-file-contents-literally'."
- (interactive "FFind file literally: ")
+ (interactive
+ (list (read-file-name
+ "Find file literally: " nil default-directory
+ (confirm-nonexistent-file-or-buffer))))
(switch-to-buffer (find-file-noselect filename nil t)))
\f
(defvar after-find-file-from-revert-buffer nil)
or from Lisp without specifying the optional argument FIND-FILE;
in that case, this function acts as if `enable-local-variables' were t."
(interactive)
- (funcall (or default-major-mode 'fundamental-mode))
+ (funcall (or (default-value 'major-mode) 'fundamental-mode))
(let ((enable-local-variables (or (not find-file) enable-local-variables)))
(report-errors "File mode specification error: %s"
(set-auto-mode))
("\\.dtx\\'" . doctex-mode)
("\\.org\\'" . org-mode)
("\\.el\\'" . emacs-lisp-mode)
+ ("Project\\.ede\\'" . emacs-lisp-mode)
("\\.\\(scm\\|stk\\|ss\\|sch\\)\\'" . scheme-mode)
("\\.l\\'" . lisp-mode)
("\\.li?sp\\'" . lisp-mode)
("\\.for\\'" . fortran-mode)
("\\.p\\'" . pascal-mode)
("\\.pas\\'" . pascal-mode)
+ ("\\.\\(dpr\\|DPR\\)\\'" . delphi-mode)
("\\.ad[abs]\\'" . ada-mode)
("\\.ad[bs].dg\\'" . ada-mode)
("\\.\\([pP]\\([Llm]\\|erl\\|od\\)\\|al\\)\\'" . perl-mode)
("Imakefile\\'" . makefile-imake-mode)
("Makeppfile\\(?:\\.mk\\)?\\'" . makefile-makepp-mode) ; Put this before .mk
("\\.makepp\\'" . makefile-makepp-mode)
- ,@(if (memq system-type '(berkeley-unix next-mach darwin))
+ ,@(if (memq system-type '(berkeley-unix darwin))
'(("\\.mk\\'" . makefile-bsdmake-mode)
("GNUmakefile\\'" . makefile-gmake-mode)
("[Mm]akefile\\'" . makefile-bsdmake-mode))
("\\.f9[05]\\'" . f90-mode)
("\\.indent\\.pro\\'" . fundamental-mode) ; to avoid idlwave-mode
("\\.\\(pro\\|PRO\\)\\'" . idlwave-mode)
+ ("\\.srt\\'" . srecode-template-mode)
("\\.prolog\\'" . prolog-mode)
("\\.tar\\'" . tar-mode)
;; The list of archive file extensions should be in sync with
("\\.x[ms]l\\'" . xml-mode)
("\\.dtd\\'" . sgml-mode)
("\\.ds\\(ss\\)?l\\'" . dsssl-mode)
- ("\\.js\\'" . java-mode) ; javascript-mode would be better
+ ("\\.js\\'" . js-mode) ; javascript-mode would be better
("\\.[ds]?v\\'" . verilog-mode)
;; .emacs or .gnus or .viper following a directory delimiter in
;; Unix, MSDOG or VMS syntax.
See also `interpreter-mode-alist', which detects executable script modes
based on the interpreters they specify to run,
and `magic-mode-alist', which determines modes based on file contents.")
+(put 'auto-mode-alist 'risky-local-variable t)
(defun conf-mode-maybe ()
"Select Conf mode or XML mode according to start of file."
;; and pike-mode) are added through autoload directives in that
;; file. That way is discouraged since it spreads out the
;; definition of the initial value.
- (mapc
+ (mapcar
(lambda (l)
(cons (purecopy (car l)) (cdr l)))
'(("perl" . perl-mode)
See also `auto-mode-alist'.")
-(defvar inhibit-first-line-modes-regexps '("\\.tar\\'" "\\.tgz\\'")
+(defvar inhibit-first-line-modes-regexps (mapcar 'purecopy '("\\.tar\\'" "\\.tgz\\'"))
"List of regexps; if one matches a file name, don't look for `-*-'.")
(defvar inhibit-first-line-modes-suffixes nil
from the end of the file name anything that matches one of these regexps.")
(defvar auto-mode-interpreter-regexp
- "#![ \t]?\\([^ \t\n]*\
-/bin/env[ \t]\\)?\\([^ \t\n]+\\)"
+ (purecopy "#![ \t]?\\([^ \t\n]*\
+/bin/env[ \t]\\)?\\([^ \t\n]+\\)")
"Regexp matching interpreters, for file mode determination.
This regular expression is matched against the first line of a file
to determine the file's mode in `set-auto-mode'. If it matches, the file
(put 'magic-mode-alist 'risky-local-variable t)
(defvar magic-fallback-mode-alist
+ (purecopy
`((image-type-auto-detected-p . image-mode)
+ ("\\(PK00\\)?[P]K\003\004" . archive-mode) ; zip
;; The < comes before the groups (but the first) to reduce backtracking.
;; TODO: UTF-16 <?xml may be preceded by a BOM 0xff 0xfe or 0xfe 0xff.
;; We use [ \t\r\n] instead of `\\s ' to make regex overflow less likely.
(concat "[ \t\r\n]*<" comment-re "*!DOCTYPE "))
. sgml-mode)
("%!PS" . ps-mode)
- ("# xmcd " . conf-unix-mode))
+ ("# xmcd " . conf-unix-mode)))
"Like `magic-mode-alist' but has lower priority than `auto-mode-alist'.
Each element looks like (REGEXP . FUNCTION) or (MATCH-FUNCTION . FUNCTION).
After visiting a file, if REGEXP matches the text at the beginning of the
(defvar ignored-local-variables
'(ignored-local-variables safe-local-variable-values
- file-local-variables-alist)
+ file-local-variables-alist dir-local-variables-alist)
"Variables to be ignored in a file's local variable spec.")
+(put 'ignored-local-variables 'risky-local-variable t)
(defvar hack-local-variables-hook nil
"Normal hook run after processing a file's local variables specs.
"List variable-value pairs that are considered safe.
Each element is a cons cell (VAR . VAL), where VAR is a variable
symbol and VAL is a value that is considered safe."
+ :risky t
:group 'find-file
:type 'alist)
-(defcustom safe-local-eval-forms '((add-hook 'write-file-hooks 'time-stamp))
+(defcustom safe-local-eval-forms
+ '((add-hook 'write-file-functions 'time-stamp)
+ (add-hook 'before-save-hook 'time-stamp))
"Expressions that are considered safe in an `eval:' local variable.
Add expressions to this list if you want Emacs to evaluate them, when
they appear in an `eval' local variable specification, without first
asking you for confirmation."
+ :risky t
:group 'find-file
:version "22.2"
:type '(repeat sexp))
;; Risky local variables:
(mapc (lambda (var) (put var 'risky-local-variable t))
'(after-load-alist
- auto-mode-alist
buffer-auto-save-file-name
buffer-file-name
buffer-file-truename
buffer-undo-list
- dabbrev-case-fold-search
- dabbrev-case-replace
debugger
default-text-properties
- display-time-string
- enable-local-eval
- enable-local-variables
eval
exec-directory
exec-path
file-name-handler-alist
- font-lock-defaults
- format-alist
frame-title-format
global-mode-string
header-line-format
icon-title-format
- ignored-local-variables
- imenu--index-alist
- imenu-generic-expression
inhibit-quit
- input-method-alist
load-path
max-lisp-eval-depth
max-specpdl-size
- minor-mode-alist
minor-mode-map-alist
minor-mode-overriding-map-alist
- mode-line-buffer-identification
mode-line-format
- mode-line-client
- mode-line-modes
- mode-line-modified
- mode-line-mule-info
- mode-line-position
- mode-line-process
- mode-line-remote
mode-name
- outline-level
overriding-local-map
overriding-terminal-local-map
- parse-time-rules
process-environment
- rmail-output-file-alist
- safe-local-variable-values
- safe-local-eval-forms
- save-some-buffers-action-alist
- special-display-buffer-names
standard-input
standard-output
- unread-command-events
- vc-mode))
+ unread-command-events))
;; Safe local variables:
;;
if it is changed by the major or minor modes, or by the user.")
(make-variable-buffer-local 'file-local-variables-alist)
+(defvar dir-local-variables-alist nil
+ "Alist of directory-local variable settings in the current buffer.
+Each element in this list has the form (VAR . VALUE), where VAR
+is a directory-local variable (a symbol) and VALUE is the value
+specified in .dir-locals.el. The actual value in the buffer
+may differ from VALUE, if it is changed by the major or minor modes,
+or by the user.")
+(make-variable-buffer-local 'dir-local-variables-alist)
+
(defvar before-hack-local-variables-hook nil
"Normal hook run before setting file-local variables.
It is called after checking for unsafe/risky variables and
`file-local-variables-alist', without applying them.
DIR-NAME is a directory name if these settings come from
directory-local variables, or nil otherwise."
- ;; Strip any variables that are in `ignored-local-variables'.
- (dolist (ignored ignored-local-variables)
- (setq variables (assq-delete-all ignored variables)))
- ;; If `enable-local-eval' is nil, strip eval "variables".
- (if (null enable-local-eval)
- (setq variables (assq-delete-all 'eval variables)))
- (setq variables (nreverse variables))
- (when variables
- ;; Find those variables that we may want to save to
- ;; `safe-local-variable-values'.
- (let (risky-vars unsafe-vars)
- (dolist (elt variables)
- (let ((var (car elt))
- (val (cdr elt)))
- ;; Don't query about the fake variables.
- (or (memq var '(mode unibyte coding))
- (and (eq var 'eval)
- (or (eq enable-local-eval t)
- (hack-one-local-variable-eval-safep
- (eval (quote val)))))
- (safe-local-variable-p var val)
- (and (risky-local-variable-p var val)
- (push elt risky-vars))
- (push elt unsafe-vars))))
- (if (eq enable-local-variables :safe)
- ;; If caller wants only safe variables, store only these.
- (dolist (elt variables)
- (unless (or (member elt unsafe-vars)
- (member elt risky-vars))
- (push elt file-local-variables-alist)))
- ;; Query, unless all are known safe or the user wants no
- ;; querying.
- (if (or (and (eq enable-local-variables t)
- (null unsafe-vars)
- (null risky-vars))
- (eq enable-local-variables :all)
- (hack-local-variables-confirm
- variables unsafe-vars risky-vars dir-name))
- (dolist (elt variables)
- (push elt file-local-variables-alist)))))))
+ ;; Find those variables that we may want to save to
+ ;; `safe-local-variable-values'.
+ (let (all-vars risky-vars unsafe-vars)
+ (dolist (elt variables)
+ (let ((var (car elt))
+ (val (cdr elt)))
+ (cond ((memq var ignored-local-variables)
+ ;; Ignore any variable in `ignored-local-variables'.
+ nil)
+ ;; Obey `enable-local-eval'.
+ ((eq var 'eval)
+ (when enable-local-eval
+ (push elt all-vars)
+ (or (eq enable-local-eval t)
+ (hack-one-local-variable-eval-safep (eval (quote val)))
+ (push elt unsafe-vars))))
+ ;; Ignore duplicates (except `mode') in the present list.
+ ((and (assq var all-vars) (not (eq var 'mode))) nil)
+ ;; Accept known-safe variables.
+ ((or (memq var '(mode unibyte coding))
+ (safe-local-variable-p var val))
+ (push elt all-vars))
+ ;; The variable is either risky or unsafe:
+ ((not (eq enable-local-variables :safe))
+ (push elt all-vars)
+ (if (risky-local-variable-p var val)
+ (push elt risky-vars)
+ (push elt unsafe-vars))))))
+ (and all-vars
+ ;; Query, unless all vars are safe or user wants no querying.
+ (or (and (eq enable-local-variables t)
+ (null unsafe-vars)
+ (null risky-vars))
+ (memq enable-local-variables '(:all :safe))
+ (hack-local-variables-confirm all-vars unsafe-vars
+ risky-vars dir-name))
+ (dolist (elt all-vars)
+ (unless (memq (car elt) '(eval mode))
+ (unless dir-name
+ (setq dir-local-variables-alist
+ (assq-delete-all (car elt) dir-local-variables-alist)))
+ (setq file-local-variables-alist
+ (assq-delete-all (car elt) file-local-variables-alist)))
+ (push elt file-local-variables-alist)))))
(defun hack-local-variables (&optional mode-only)
"Parse and put into effect this buffer's local variables spec.
(enable-local-variables
(hack-local-variables-filter result nil)
(when file-local-variables-alist
+ ;; Any 'evals must run in the Right sequence.
(setq file-local-variables-alist
(nreverse file-local-variables-alist))
(run-hooks 'before-hack-local-variables-hook)
"-mode"))))
(unless (eq (indirect-function mode)
(indirect-function major-mode))
- (funcall mode))))
+ (if (memq mode minor-mode-list)
+ ;; A minor mode must be passed an argument.
+ ;; Otherwise, if the user enables the minor mode in a
+ ;; major mode hook, this would toggle it off.
+ (funcall mode 1)
+ (funcall mode)))))
((eq var 'eval)
(save-excursion (eval val)))
(t
(nth 5 (file-attributes file)))
class-name)))
-(declare-function c-postprocess-file-styles "cc-mode" ())
-
(defun hack-dir-local-variables ()
"Read per-directory local variables for the current buffer.
-Store the directory-local variables in `file-local-variables-alist',
-without applying them."
+Store the directory-local variables in `dir-local-variables-alist'
+and `file-local-variables-alist', without applying them."
(when (and enable-local-variables
(buffer-file-name)
(not (file-remote-p (buffer-file-name))))
(dir-locals-collect-variables
(dir-locals-get-class-variables class) dir-name nil)))
(when variables
+ (dolist (elt variables)
+ (unless (memq (car elt) '(eval mode))
+ (setq dir-local-variables-alist
+ (assq-delete-all (car elt) dir-local-variables-alist)))
+ (push elt dir-local-variables-alist))
(hack-local-variables-filter variables dir-name)))))))
\f
(recursive-edit))
;; Return nil to ask about BUF again.
nil)
- "view this buffer")
+ ,(purecopy "view this buffer"))
(?d ,(lambda (buf)
(if (null (buffer-file-name buf))
(message "Not applicable: no file")
(recursive-edit)))
;; Return nil to ask about BUF again.
nil)
- "view changes in this buffer"))
+ ,(purecopy "view changes in this buffer")))
"ACTION-ALIST argument used in call to `map-y-or-n-p'.")
+(put 'save-some-buffers-action-alist 'risky-local-variable t)
(defvar buffer-save-without-query nil
"Non-nil means `save-some-buffers' should save this buffer without asking.")
(while create-list
(make-directory-internal (car create-list))
(setq create-list (cdr create-list))))))))
+
+(defconst directory-files-no-dot-files-regexp
+ "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*"
+ "Regexp of file names excluging \".\" an \"..\".")
+
+(defun delete-directory (directory &optional recursive)
+ "Delete the directory named DIRECTORY. Does not follow symlinks.
+If RECURSIVE is non-nil, all files in DIRECTORY are deleted as well."
+ (interactive
+ (let ((dir (expand-file-name
+ (read-file-name
+ "Delete directory: "
+ default-directory default-directory nil nil))))
+ (list dir
+ (if (directory-files dir nil directory-files-no-dot-files-regexp)
+ (y-or-n-p
+ (format "Directory `%s' is not empty, really delete? " dir))
+ nil))))
+ ;; If default-directory is a remote directory, make sure we find its
+ ;; delete-directory handler.
+ (setq directory (directory-file-name (expand-file-name directory)))
+ (let ((handler (find-file-name-handler directory 'delete-directory)))
+ (if handler
+ (funcall handler 'delete-directory directory recursive)
+ (if (and recursive (not (file-symlink-p directory)))
+ (mapc
+ (lambda (file)
+ ;; This test is equivalent to
+ ;; (and (file-directory-p fn) (not (file-symlink-p fn)))
+ ;; but more efficient
+ (if (eq t (car (file-attributes file)))
+ (delete-directory file recursive)
+ (delete-file file)))
+ ;; We do not want to delete "." and "..".
+ (directory-files
+ directory 'full directory-files-no-dot-files-regexp)))
+ (delete-directory-internal directory))))
+
+(defun copy-directory (directory newname &optional keep-time parents)
+ "Copy DIRECTORY to NEWNAME. Both args must be strings.
+If NEWNAME names an existing directory, copy DIRECTORY as subdirectory there.
+
+This function always sets the file modes of the output files to match
+the corresponding input file.
+
+The third arg KEEP-TIME non-nil means give the output files the same
+last-modified time as the old ones. (This works on only some systems.)
+
+A prefix arg makes KEEP-TIME non-nil.
+
+Noninteractively, the last argument PARENTS says whether to
+create parent directories if they don't exist. Interactively,
+this happens by default."
+ (interactive
+ (let ((dir (read-directory-name
+ "Copy directory: " default-directory default-directory t nil)))
+ (list dir
+ (read-file-name
+ (format "Copy directory %s to: " dir)
+ default-directory default-directory nil nil)
+ current-prefix-arg t)))
+ ;; If default-directory is a remote directory, make sure we find its
+ ;; copy-directory handler.
+ (let ((handler (or (find-file-name-handler directory 'copy-directory)
+ (find-file-name-handler newname 'copy-directory))))
+ (if handler
+ (funcall handler 'copy-directory directory newname keep-time parents)
+
+ ;; Compute target name.
+ (setq directory (directory-file-name (expand-file-name directory))
+ newname (directory-file-name (expand-file-name newname)))
+ (if (not (file-directory-p newname)) (make-directory newname parents))
+
+ ;; Copy recursively.
+ (mapc
+ (lambda (file)
+ (let ((target (expand-file-name
+ (file-name-nondirectory file) newname)))
+ (if (file-directory-p file)
+ (copy-directory file target keep-time parents)
+ (copy-file file target t keep-time))))
+ ;; We do not want to copy "." and "..".
+ (directory-files directory 'full directory-files-no-dot-files-regexp))
+
+ ;; Set directory attributes.
+ (set-file-modes newname (file-modes directory))
+ (if keep-time
+ (set-file-times newname (nth 5 (file-attributes directory)))))))
\f
(put 'revert-buffer-function 'permanent-local t)
(defvar revert-buffer-function nil
file-name)))
(run-hooks 'before-revert-hook)
;; If file was backed up but has changed since,
- ;; we shd make another backup.
+ ;; we should make another backup.
(and (not auto-save-p)
(not (verify-visited-file-modtime (current-buffer)))
(setq buffer-backed-up nil))
;; turn it back on.
(and (< buffer-saved-size 0)
(setq buffer-saved-size 0))
- (if (interactive-p)
+ (if (called-interactively-p 'interactive)
(message "Auto-save %s (in this buffer)"
(if buffer-auto-save-file-name "on" "off")))
buffer-auto-save-file-name)
(concat "\\`" result "\\'")))
\f
(defcustom list-directory-brief-switches
- "-CF"
+ (purecopy "-CF")
"Switches for `list-directory' to pass to `ls' for brief listing."
:type 'string
:group 'dired)
(defcustom list-directory-verbose-switches
- "-l"
+ (purecopy "-l")
"Switches for `list-directory' to pass to `ls' for verbose listing."
:type 'string
:group 'dired)
;; A list of all dirs that DIRPART specifies.
;; This can be more than one dir
;; if DIRPART contains wildcards.
- (dirs (if (and dirpart (string-match "[[*?]" dirpart))
+ (dirs (if (and dirpart
+ (string-match "[[*?]"
+ (or (file-remote-p dirpart 'localname)
+ dirpart)))
(mapcar 'file-name-as-directory
(file-expand-wildcards (directory-file-name dirpart)))
(list dirpart)))
(setq dirs (cdr dirs)))
contents)))
+;; Let Tramp know that `file-expand-wildcards' does not need an advice.
+(provide 'files '(remote-wildcards))
+
(defun list-directory (dirname &optional verbose)
"Display a list of files in or matching DIRNAME, a la `ls'.
DIRNAME is globbed by the shell if necessary.
(princ "Directory ")
(princ dirname)
(terpri)
- (save-excursion
- (set-buffer "*Directory*")
+ (with-current-buffer "*Directory*"
(let ((wildcard (not (file-directory-p dirname))))
(insert-directory dirname switches wildcard (not wildcard)))))
;; Finishing with-output-to-temp-buffer seems to clobber default-directory.
pattern))))
-(defvar insert-directory-program "ls"
+(defvar insert-directory-program (purecopy "ls")
"Absolute or relative name of the `ls' program used by `insert-directory'.")
-(defcustom directory-free-space-program "df"
+(defcustom directory-free-space-program (purecopy "df")
"Program to get the amount of free space on a file system.
We assume the output has the format of `df'.
The value of this variable must be just a command name or file name;
:group 'dired)
(defcustom directory-free-space-args
- (if (eq system-type 'darwin) "-k" "-Pk")
+ (purecopy (if (eq system-type 'darwin) "-k" "-Pk"))
"Options to use when running `directory-free-space-program'."
:type 'string
:group 'dired)
This function calls `file-system-info' if it is available, or invokes the
program specified by `directory-free-space-program' if that is non-nil."
- (when (not (file-remote-p dir))
+ (unless (file-remote-p dir)
;; Try to find the number of free blocks. Non-Posix systems don't
;; always have df, but might have an equivalent system call.
(if (fboundp 'file-system-info)
(let ((fsinfo (file-system-info dir)))
(if fsinfo
(format "%.0f" (/ (nth 2 fsinfo) 1024))))
+ (setq dir (expand-file-name dir))
(save-match-data
(with-temp-buffer
(when (and directory-free-space-program
- (let ((default-directory
- (if (and (not (file-remote-p default-directory))
- (file-directory-p default-directory)
- (file-readable-p default-directory))
- default-directory
- (expand-file-name "~/"))))
+ ;; Avoid failure if the default directory does
+ ;; not exist (Bug#2631, Bug#3911).
+ (let ((default-directory "/"))
(eq (call-process directory-free-space-program
nil t nil
directory-free-space-args
;; parantheses:
;; -rw-r--r-- (modified) 2005-10-22 21:25 files.el
;; This is not supported yet.
- (concat ".*[0-9][BkKMGTPEZY]?" s
+ (purecopy (concat ".*[0-9][BkKMGTPEZY]?" s
"\\(" western "\\|" western-comma "\\|" east-asian "\\|" iso "\\)"
- s "+"))
+ s "+")))
"Regular expression to match up to the file name in a directory listing.
The default value is designed to recognize dates and times
regardless of the language.")
;; so that magic file name handlers will not apply to it.
(setq file-name-handler-alist
- (cons '("\\`/:" . file-name-non-special)
+ (cons (cons (purecopy "\\`/:") 'file-name-non-special)
file-name-handler-alist))
;; We depend on being the last handler on the list,