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Revision: emacs@sv.gnu.org/emacs--unicode--0--patch-11

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Merge from emacs--devo--0

Patches applied:

 * emacs--devo--0  (patch 34-42)

   - Update from CVS
   - Merge from gnus--rel--5.10

 * gnus--rel--5.10  (patch 14-17)

   - Update from CVS
   - Merge from emacs--devo--0
This commit is contained in:
Miles Bader 2006-02-04 01:01:38 +00:00
commit 307f5c5746
75 changed files with 2285 additions and 1187 deletions
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15
lisp/emacs-lisp/unsafep.el
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@ -79,11 +79,13 @@
;; passed a circular list to `assoc', Emacs would crash. Historically,
;; problems of this kind have been few and short-lived.
;;; Code:
(provide 'unsafep)
(require 'byte-opt) ;Set up the `side-effect-free' properties
(defcustom safe-functions nil
"t to disable `unsafep', or a list of assumed-safe functions."
"A list of assumed-safe functions, or t to disable `unsafep'."
:group 'lisp
:type '(choice (const :tag "No" nil) (const :tag "Yes" t) hook))
@ -210,7 +212,7 @@ of symbols with local bindings."
(defun unsafep-function (fun)
"Return nil if FUN is a safe function
"Return nil iff FUN is a safe function.
\(either a safe lambda or a symbol that names a safe function). Otherwise
result is a reason code."
(cond
@ -233,7 +235,8 @@ for the first unsafe form."
(if reason (throw 'unsafep-progn reason))))))
(defun unsafep-let (clause)
"CLAUSE is a let-binding, either SYM or (SYM) or (SYM VAL). Checks VAL
"Check the safety of a let binding.
CLAUSE is a let-binding, either SYM or (SYM) or (SYM VAL). Checks VAL
and throws a reason to `unsafep' if unsafe. Returns SYM."
(let (reason sym)
(if (atom clause)
@ -245,7 +248,7 @@ and throws a reason to `unsafep' if unsafe. Returns SYM."
sym))
(defun unsafep-variable (sym global-okay)
"Returns nil if SYM is safe as a let-binding sym
"Return nil if SYM is safe as a let-binding sym
\(because it already has a temporary binding or is a non-risky buffer-local
variable), otherwise a reason why it is unsafe. Failing to be locally bound
is okay if GLOBAL-OKAY is non-nil."
@ -259,5 +262,5 @@ is okay if GLOBAL-OKAY is non-nil."
(local-variable-p sym)))
`(global-variable ,sym))))
;;; arch-tag: 6216f98b-eb8f-467a-9c33-7a7644f50658
;; unsafep.el ends here.
;; arch-tag: 6216f98b-eb8f-467a-9c33-7a7644f50658
;;; unsafep.el ends here