Correct c-parse-state cache manipulation error.

* lisp/progmodes/cc-engine.el (c-invalidate-state-cache-1): Correct a
comparison bound.  Amend comments.
This commit is contained in:
Alan Mackenzie 2016-02-17 11:53:01 +00:00
parent 14aec913ac
commit 2abcb06cab

View file

@ -3241,7 +3241,7 @@ comment at the start of cc-engine.el for more info."
;; pair element into an open paren element. Doing that would mean that the
;; new open paren wouldn't have the required preceding paren pair element.
;;
;; This function is called from c-after-change.
;; This function is called from c-before-change.
;; The caches of non-literals:
;; Note that we use "<=" for the possibility of the second char of a two-char
@ -3265,7 +3265,7 @@ comment at the start of cc-engine.el for more info."
;; below `here'. To maintain its consistency, we may need to insert a new
;; brace pair.
(let ((here-bol (c-point 'bol here))
too-high-pa ; recorded {/(/[ next above here, or nil.
too-high-pa ; recorded {/(/[ next above or just below here, or nil.
dropped-cons ; was the last removed element a brace pair?
pa)
;; The easy bit - knock over-the-top bits off `c-state-cache'.
@ -3277,7 +3277,7 @@ comment at the start of cc-engine.el for more info."
;; Do we need to add in an earlier brace pair, having lopped one off?
(if (and dropped-cons
(< too-high-pa (+ here c-state-cache-too-far)))
(<= too-high-pa here))
(c-append-lower-brace-pair-to-state-cache too-high-pa here here-bol))
(setq c-state-cache-good-pos (or (c-state-cache-after-top-paren)
(c-state-get-min-scan-pos)))))