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(syntax-ppss-flush-cache): Rename from syntax-ppss-after-change-function.

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(syntax-ppss-after-change-function): New alias.  Update uses.
This commit is contained in:
Stefan Monnier 2003-07-16 15:17:02 +00:00
parent 9c53385f8c
commit 9c5b265345
1 changed files with 6 additions and 9 deletions
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15
lisp/emacs-lisp/syntax.el
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@ -1,6 +1,6 @@
;;; syntax.el --- helper functions to find syntactic context
;; Copyright (C) 2000 Free Software Foundation, Inc.
;; Copyright (C) 2000, 2003 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
@ -25,7 +25,7 @@
;;; Commentary:
;; The main exported function is `syntax-ppss'. You might also need
;; to call `syntax-ppss-after-change-function' or to add it to
;; to call `syntax-ppss-flush-cache' or to add it to
;; after-change-functions'(although this is automatically done by
;; syntax-ppss when needed, but that might fail if syntax-ppss is
;; called in a context where after-change-functions is temporarily
@ -73,7 +73,9 @@ point (where the PPSS is equivalent to nil).")
"Cache of (LAST-POS . LAST-PPSS).")
(make-variable-buffer-local 'syntax-ppss-last)
(defun syntax-ppss-after-change-function (beg &rest ignored)
(defalias 'syntax-ppss-after-change-function 'syntax-ppss-flush-cache)
(defun syntax-ppss-flush-cache (beg &rest ignored)
"Flush the cache of `syntax-ppss' starting at position BEG."
;; Flush invalid cache entries.
(while (and syntax-ppss-cache (> (caar syntax-ppss-cache) beg))
(setq syntax-ppss-cache (cdr syntax-ppss-cache)))
@ -106,10 +108,6 @@ point (where the PPSS is equivalent to nil).")
"Parse-Partial-Sexp State at POS.
The returned value is the same as `parse-partial-sexp' except that
the 2nd and 6th values of the returned state cannot be relied upon.
If the caller knows the PPSS of a nearby position, she can pass it
in OLP-PPSS (with or without its corresponding OLD-POS) to try and
avoid a more expansive scan.
Point is at POS when this function returns."
;; Default values.
(unless pos (setq pos (point)))
@ -172,8 +170,7 @@ Point is at POS when this function returns."
;; Setup the after-change function if necessary.
(unless (or syntax-ppss-cache syntax-ppss-last)
(add-hook 'after-change-functions
'syntax-ppss-after-change-function nil t))
(add-hook 'after-change-functions 'syntax-ppss-flush-cache nil t))
;; Use the best of OLD-POS and CACHE.
(if (or (not old-pos) (< old-pos pt-min))