+2014-10-08 Leo Liu <sdl.web@gmail.com>
+
+ * progmodes/cfengine.el (cfengine3-make-syntax-cache): Always
+ return a syntax. Replace call-process-shell-command with
+ process-file. Ensure cfengine-mode-syntax-functions-regex is
+ always set. Ensure cache when cfengine-cf-promises fails.
+ (Bug#18620)
+
2014-10-07 Glenn Morris <rgm@gnu.org>
* font-lock.el (font-lock-fontify-buffer): Fix interactive-only markup.
(setq cfengine-mode-syntax-cache nil))
(defun cfengine3-make-syntax-cache ()
- "Build the CFEngine 3 syntax cache.
-Calls `cfengine-cf-promises' with \"-s json\""
- (let ((syntax (cddr (assoc cfengine-cf-promises cfengine-mode-syntax-cache))))
- (if cfengine-cf-promises
- (or syntax
- (with-demoted-errors
- (with-temp-buffer
- (call-process-shell-command cfengine-cf-promises
- nil ; no input
- t ; current buffer
- nil ; no redisplay
- "-s" "json")
- (goto-char (point-min))
- (setq syntax (json-read))
- (setq cfengine-mode-syntax-cache
- (cons (cons cfengine-cf-promises syntax)
- cfengine-mode-syntax-cache))
- (setq cfengine-mode-syntax-functions-regex
- (regexp-opt (mapcar (lambda (def)
- (format "%s" (car def)))
- (cdr (assq 'functions syntax)))
- 'symbols))))))
- cfengine3-fallback-syntax))
+ "Build the CFEngine 3 syntax cache and return the syntax.
+Calls `cfengine-cf-promises' with \"-s json\"."
+ (or (cdr (assoc cfengine-cf-promises cfengine-mode-syntax-cache))
+ (let ((syntax (or (when cfengine-cf-promises
+ (with-demoted-errors "cfengine3-make-syntax-cache: %S"
+ (with-temp-buffer
+ (or (zerop (process-file cfengine-cf-promises
+ nil ; no input
+ t ; output
+ nil ; no redisplay
+ "-s" "json"))
+ (error "%s" (buffer-substring
+ (point-min)
+ (progn (goto-char (point-min))
+ (line-end-position)))))
+ (goto-char (point-min))
+ (json-read))))
+ cfengine3-fallback-syntax)))
+ (push (cons cfengine-cf-promises syntax)
+ cfengine-mode-syntax-cache)
+ (setq cfengine-mode-syntax-functions-regex
+ (regexp-opt (mapcar (lambda (def)
+ (format "%s" (car def)))
+ (cdr (assq 'functions syntax)))
+ 'symbols))
+ syntax)))
(defun cfengine3-documentation-function ()
"Document CFengine 3 functions around point.
(defun cfengine3-completion-function ()
"Return completions for function name around or before point."
- (cfengine3-make-syntax-cache)
(let* ((bounds (save-excursion
(let ((p (point)))
(skip-syntax-backward "w_" (point-at-bol))