Commit b0c23721 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(c-copy-tree): Fix bugs.

parent ca85cf8a
......@@ -579,23 +579,23 @@ offset for that syntactic element. Optional ADD says to add SYMBOL to
;; c-mode-common-hook or {c,c++,objc,java}-mode-hook.
(c-set-style c-site-default-style))))
(defun c-copy-tree (tree &optional vecp)
(defun c-copy-tree (tree)
"Make a copy of TREE.
If TREE is a cons cell, this recursively copies both its car and its cdr.
Contrast to copy-sequence, which copies only along the cdrs. With second
argument VECP, this copies vectors as well as conses."
(if (consp tree)
(let ((p (setq tree (copy-list tree))))
(let ((p tree) result)
(while (consp p)
(if (or (consp (car p)) (and vecp (vectorp (car p))))
(setcar p (c-copy-tree (car p) vecp)))
(or (listp (cdr p)) (setcdr p (c-copy-tree (cdr p) vecp)))
(setq p (cdr p))))
(if (and vecp (vectorp tree))
(let ((i (length (setq tree (copy-sequence tree)))))
(while (>= (setq i (1- i)) 0)
(aset tree i (c-copy-tree (aref tree i) vecp))))))
(setq result (cons (if (consp (car p))
(c-copy-tree (car p))
(car p))
(setq p (cdr p)))
(if (null p)
(nreverse result)
(nconc (nreverse result) p)))
(defun c-make-styles-buffer-local ()
"Make all CC Mode style variables buffer local.
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