(c-before-hack-hook): New function

(Top Level): Install c-before-hack-hook on
before-hack-local-variables-hook, rather than
c-postprocess-file-styles on hack-local-variables-hook.

1 files changed, 23 insertions, 1 deletions

diff --git a/lisp/progmodes/cc-mode.el b/lisp/progmodes/cc-mode.el
index 06f94bde94a..044d8542bfe 100644
--- a/lisp/progmodes/cc-mode.el
+++ b/lisp/progmodes/cc-mode.el
@@ -657,6 +657,26 @@ compatible with old code; callers should always specify it."
       (and (cdr rfn)
            (setq require-final-newline mode-require-final-newline)))))
 
+(defun c-before-hack-hook ()
+  "Set the CC Mode style and \"offsets\" when in the buffer's local variables.
+They are set only when, respectively, the pseudo variables
+`c-file-style' and `c-file-offsets' are present in the list.
+
+This function is called from the hook `before-hack-local-variables-hook'."
+  (when c-buffer-is-cc-mode
+    (let ((stile (cdr (assq 'c-file-style file-local-variables-alist)))
+          (offsets (cdr (assq 'c-file-offsets file-local-variables-alist))))
+      (when stile
+        (or (stringp stile) (error "c-file-style is not a string"))
+        (c-set-style stile))
+      (when offsets
+        (mapc
+         (lambda (langentry)
+           (let ((langelem (car langentry))
+                 (offset (cdr langentry)))
+             (c-set-offset langelem offset)))
+         offsets)))))
+
 (defun c-remove-any-local-eval-or-mode-variables ()
   ;; If the buffer specifies `mode' or `eval' in its File Local Variable list
   ;; or on the first line, remove all occurrences.  See
@@ -748,7 +768,9 @@ Note that the style variables are always made local to the buffer."
             (hack-local-variables))
           nil))))
 
-(add-hook 'hack-local-variables-hook 'c-postprocess-file-styles)
+(if (boundp 'before-hack-local-variables-hook)
+    (add-hook 'before-hack-local-variables-hook 'c-before-hack-hook)
+  (add-hook 'hack-local-variables-hook 'c-postprocess-file-styles))
 
 (defmacro c-run-mode-hooks (&rest hooks)
   ;; Emacs 21.1 has introduced a system with delayed mode hooks that