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author | Richard M. Stallman <rms@gnu.org> | 1998-02-17 07:26:46 +0000 |
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committer | Richard M. Stallman <rms@gnu.org> | 1998-02-17 07:26:46 +0000 |
commit | 48f8829acd6e255ddb81628e14e946057c6737a7 (patch) | |
tree | 3ddeca09993ed102d85bdbeb931c74a7a9a8cc3d /lisp/progmodes | |
parent | 73723a0828c8b7b110ed3065cffed8753ccaffa4 (diff) | |
download | emacs-48f8829acd6e255ddb81628e14e946057c6737a7.tar.gz |
(c-copy-tree): New function.
(c-initialize-builtin-style): Use c-copy-tree.
Diffstat (limited to 'lisp/progmodes')
-rw-r--r-- | lisp/progmodes/cc-styles.el | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/lisp/progmodes/cc-styles.el b/lisp/progmodes/cc-styles.el index 0e8b1247520..6001207544c 100644 --- a/lisp/progmodes/cc-styles.el +++ b/lisp/progmodes/cc-styles.el @@ -584,26 +584,13 @@ offset for that syntactic element. Optional ADD says to add SYMBOL to (c-initialize-cc-mode t) (or (assoc "cc-mode" c-style-alist) (assoc "user" c-style-alist) - (let (copyfunc) - ;; use built-in copy-tree if its there. - (if (and (fboundp 'copy-tree) - (functionp (symbol-function 'copy-tree))) - (setq copyfunc (symbol-function 'copy-tree)) - (setq copyfunc (lambda (tree) - (if (consp tree) - (cons (funcall copyfunc (car tree)) - (funcall copyfunc (cdr tree))) - tree)))) + (progn (c-add-style "user" (mapcar (function (lambda (var) (let ((val (symbol-value var))) - (cons var (if (atom val) - val - (funcall copyfunc val) - )) - ))) + (cons var (c-copy-tree val))))) '(c-backslash-column c-basic-offset c-cleanup-list @@ -622,6 +609,15 @@ offset for that syntactic element. Optional ADD says to add SYMBOL to (if c-style-variables-are-local-p (c-make-styles-buffer-local))) +(defun c-copy-tree (tree) + (if (consp tree) + (if (consp (cdr tree)) + (cons (c-copy-tree (car tree)) + (cons (c-copy-tree (cadr tree)) + (c-copy-tree (cddr tree)))) + (cons (c-copy-tree (car tree)) + (c-copy-tree (cdr tree)))) + tree)) (defun c-make-styles-buffer-local (&optional this-buf-only-p) "Make all CC Mode style variables buffer local. |