;; Version control packages are likely to stamp all over file modification
;; times. Therefore the act of checking out may invalidate a cache.
\f
-;; History:
-;;
-;; 0.02--1.00:
-;; - Changed name from turbo-prop to fast-lock. Automagic for font-lock only
-;; - Made `fast-lock-mode' a minor mode, like G. Dinesh Dutt's fss-mode
-;; 1.00--1.01:
-;; - Turn on `fast-lock-mode' only if `buffer-file-name' or `interactive-p'
-;; - Made `fast-lock-file-name' use `buffer-name' if `buffer-file-name' is nil
-;; - Moved save-all conditions to `fast-lock-save-cache'
-;; - Added `fast-lock-save-text-properties' to `kill-buffer-hook'
-;; 1.01--2.00: complete rewrite---not worth the space to document
-;; - Changed structure of text properties cache and threw out file mod checks
-;; 2.00--2.01:
-;; - Made `condition-case' forms understand `quit'.
-;; - Made `fast-lock' require `font-lock'
-;; - Made `fast-lock-cache-name' chase links (from Ben Liblit)
-;; 2.01--3.00:
-;; - Changed structure of cache to include `font-lock-keywords' (from rms)
-;; - Changed `fast-lock-cache-mechanisms' to `fast-lock-cache-directories'
-;; - Removed `fast-lock-read-others'
-;; - Made `fast-lock-read-cache' ignore cache owner
-;; - Made `fast-lock-save-cache-external' create cache directory
-;; - Made `fast-lock-save-cache-external' save `font-lock-keywords'
-;; - Made `fast-lock-cache-data' check `font-lock-keywords'
-;; 3.00--3.01: incorporated port of 2.00 to Lucid, made by Barry Warsaw
-;; - Package now provides itself
-;; - Lucid: Use `font-lock-any-extents-p' for `font-lock-any-properties-p'
-;; - Lucid: Use `list-faces' for `face-list'
-;; - Lucid: Added `set-text-properties'
-;; - Lucid: Made `turn-on-fast-lock' pass 1 not t to `fast-lock-mode'
-;; - Removed test for `fast-lock-mode' from `fast-lock-read-cache'
-;; - Lucid: Added Lucid-specific `fast-lock-get-face-properties'
-;; 3.01--3.02: now works with Lucid Emacs, thanks to Barry Warsaw
-;; - Made `fast-lock-cache-name' map ":" to ";" for OS/2 (from Serganova Vera)
-;; - Made `fast-lock-cache-name' use abbreviated file name (from Barry Warsaw)
-;; - Lucid: Separated handlers for `error' and `quit' for `condition-case'
-;; 3.02--3.03:
-;; - Changed `fast-lock-save-cache-external' to `fast-lock-save-cache-data'
-;; - Lucid: Added Lucid-specific `fast-lock-set-face-properties'
-;; 3.03--3.04:
-;; - Corrected `subrp' test of Lucid code
-;; - Replaced `font-lock-any-properties-p' with `text-property-not-all'
-;; - Lucid: Made `fast-lock-set-face-properties' put `text-prop' on extents
-;; - Made `fast-lock-cache-directories' a regexp alist (from Colin Rafferty)
-;; - Made `fast-lock-cache-directory' to return a usable cache file directory
-;; 3.04--3.05:
-;; - Lucid: Fix for XEmacs 19.11 `text-property-not-all'
-;; - Replaced `subrp' test of Lucid code with `emacs-version' `string-match'
-;; - Made `byte-compile-warnings' omit `unresolved' on compilation
-;; - Made `fast-lock-save-cache-data' use a buffer (from Rick Sladkey)
-;; - Reverted to old `fast-lock-get-face-properties' (from Rick Sladkey)
-;; 3.05--3.06: incorporated hack of 3.03, made by Jonathan Stigelman (Stig)
-;; - Reverted to 3.04 version of `fast-lock-get-face-properties'
-;; - XEmacs: Removed `list-faces' `defalias'
-;; - Made `fast-lock-mode' and `turn-on-fast-lock' succeed `autoload' cookies
-;; - Added `fast-lock-submit-bug-report'
-;; - Renamed `fast-lock-save-size' to `fast-lock-minimum-size'
-;; - Made `fast-lock-save-cache' output a message if no save ever attempted
-;; - Made `fast-lock-save-cache-data' output a message if save attempted
-;; - Made `fast-lock-cache-data' output a message if load attempted
-;; - Made `fast-lock-save-cache-data' do `condition-case' not `unwind-protect'
-;; - Made `fast-lock-save-cache' and `fast-lock-read-cache' return nothing
-;; - Made `fast-lock-save-cache' check `buffer-modified-p' (Stig)
-;; - Added `fast-lock-save-events'
-;; - Added `fast-lock-after-save-hook' to `after-save-hook' (Stig)
-;; - Added `fast-lock-kill-buffer-hook' to `kill-buffer-hook'
-;; - Changed `fast-lock-save-caches' to `fast-lock-kill-emacs-hook'
-;; - Added `fast-lock-kill-emacs-hook' to `kill-emacs-hook'
-;; - Made `fast-lock-save-cache' check `verify-visited-file-modtime' (Stig)
-;; - Made `visited-file-modtime' be the basis of the timestamp (Stig)
-;; - Made `fast-lock-save-cache-1' and `fast-lock-cache-data' use/reformat it
-;; - Added `fast-lock-cache-filename' to keep track of the cache file name
-;; - Added `fast-lock-after-fontify-buffer'
-;; - Added `fast-lock-save-faces' list of faces to save (idea from Stig/Tibor)
-;; - Made `fast-lock-get-face-properties' functions use it
-;; - XEmacs: Made `fast-lock-set-face-properties' do extents the Font Lock way
-;; - XEmacs: Removed fix for `text-property-not-all' (19.11 support dropped)
-;; - Made `fast-lock-mode' ensure `font-lock-mode' is on
-;; - Made `fast-lock-save-cache' do `cdr-safe' not `cdr' (from Dave Foster)
-;; - Made `fast-lock-save-cache' do `set-buffer' first (from Dave Foster)
-;; - Made `fast-lock-save-cache' loop until saved or quit (from Georg Nikodym)
-;; - Made `fast-lock-cache-data' check `buffer-modified-p'
-;; - Made `fast-lock-cache-data' do `font-lock-compile-keywords' if necessary
-;; - XEmacs: Made `font-lock-compile-keywords' `defalias'
-;; 3.06--3.07:
-;; - XEmacs: Add `fast-lock-after-fontify-buffer' to the Font Lock hook
-;; - Made `fast-lock-cache-name' explain the use of `directory-abbrev-alist'
-;; - Made `fast-lock-mode' use `buffer-file-truename' not `buffer-file-name'
-;; 3.07--3.08:
-;; - Made `fast-lock-read-cache' set `fast-lock-cache-filename'
-;; 3.08--3.09:
-;; - Made `fast-lock-save-cache' cope if `fast-lock-minimum-size' is an a list
-;; - Made `fast-lock-mode' respect the value of `font-lock-inhibit-thing-lock'
-;; - Added `fast-lock-after-unfontify-buffer'
-;; 3.09--3.10:
-;; - Rewrite for Common Lisp macros
-;; - Made fast-lock.el barf on a crap 8+3 pseudo-OS (Eli Zaretskii help)
-;; - XEmacs: Made `add-minor-mode' succeed `autoload' cookie
-;; - XEmacs: Made `fast-lock-save-faces' default to `font-lock-face-list'
-;; - Made `fast-lock-save-cache' use `font-lock-value-in-major-mode'
-;; - Wrap with `save-buffer-state' (Ray Van Tassle report)
-;; - Made `fast-lock-mode' wrap `font-lock-support-mode'
-;; 3.10--3.11:
-;; - Made `fast-lock-get-face-properties' cope with face lists
-;; - Added `fast-lock-verbose'
-;; - XEmacs: Add `font-lock-value-in-major-mode' if necessary
-;; - Removed `fast-lock-submit-bug-report' and bade farewell
-;; 3.11--3.12:
-;; - Added Custom support (Hrvoje Niksic help)
-;; - Made `fast-lock-cache-data' simplify calls of `font-lock-compile-keywords'
-\f
;;; Code:
(require 'font-lock)
(eval-when-compile
;;
;; We don't do this at the top-level as we only use non-autoloaded macros.
- (require 'cl)
- ;;
- ;; I prefer lazy code---and lazy mode.
- (setq byte-compile-dynamic t byte-compile-dynamic-docstrings t)
- ;; But, we make sure that the code is as zippy as can be.
- (setq byte-optimize t)
- ;;
- ;; We use this to preserve or protect things when modifying text properties.
- (defmacro save-buffer-state (varlist &rest body)
- "Bind variables according to VARLIST and eval BODY restoring buffer state."
- (` (let* ((,@ (append varlist
- '((modified (buffer-modified-p)) (buffer-undo-list t)
- (inhibit-read-only t) (inhibit-point-motion-hooks t)
- before-change-functions after-change-functions
- deactivate-mark buffer-file-name buffer-file-truename))))
- (,@ body)
- (when (and (not modified) (buffer-modified-p))
- (set-buffer-modified-p nil)))))
- (put 'save-buffer-state 'lisp-indent-function 1)
- ;;
- ;; We use this to verify that a face should be saved.
- (defmacro fast-lock-save-facep (face)
- "Return non-nil if FACE is one of `fast-lock-save-faces'."
- (` (or (null fast-lock-save-faces)
- (if (symbolp (, face))
- (memq (, face) fast-lock-save-faces)
- (let ((faces (, face)))
- (while (unless (memq (car faces) fast-lock-save-faces)
- (setq faces (cdr faces))))
- faces))))))
+ (require 'cl))
+
+;; We use this to preserve or protect things when modifying text properties.
+(defmacro save-buffer-state (varlist &rest body)
+ "Bind variables according to VARLIST and eval BODY restoring buffer state."
+ (` (let* ((,@ (append varlist
+ '((modified (buffer-modified-p)) (buffer-undo-list t)
+ (inhibit-read-only t) (inhibit-point-motion-hooks t)
+ before-change-functions after-change-functions
+ deactivate-mark buffer-file-name buffer-file-truename))))
+ (,@ body)
+ (when (and (not modified) (buffer-modified-p))
+ (set-buffer-modified-p nil)))))
+(put 'save-buffer-state 'lisp-indent-function 1)
+
+;; We use this to verify that a face should be saved.
+(defmacro fast-lock-save-facep (face)
+ "Return non-nil if FACE is one of `fast-lock-save-faces'."
+ (` (or (null fast-lock-save-faces)
+ (if (symbolp (, face))
+ (memq (, face) fast-lock-save-faces)
+ (let ((faces (, face)))
+ (while (unless (memq (car faces) fast-lock-save-faces)
+ (setq faces (cdr faces))))
+ faces)))))
;(defun fast-lock-submit-bug-report ()
; "Submit via mail a bug report on fast-lock.el."
projects / emacs.git / commitdiff