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Provide generalized variables in core Elisp.

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* lisp/emacs-lisp/gv.el: New file.
* lisp/subr.el (push, pop): Extend to generalized variables.
* lisp/loadup.el (macroexp): Unload if preloaded and uncompiled.
* lisp/emacs-lisp/cl-lib.el (cl-pop, cl-push, cl--set-nthcdr): Remove.
* lisp/emacs-lisp/cl-macs.el: Require gv.  Use gv-define-setter,
gv-define-simple-setter, and gv-define-expander.
Remove setf-methods defined in gv.  Rename cl-setf -> setf.
(cl-setf, cl-do-pop, cl-get-setf-method): Remove.
(cl-letf, cl-letf*, cl-define-modify-macro, cl-defsetf)
(cl-define-setf-expander, cl-struct-setf-expander): Move to cl.el.
(cl-remf, cl-shiftf, cl-rotatef, cl-callf, cl-callf2): Rewrite with
gv-letplace.
(cl-defstruct): Don't define setf-method any more.
* lisp/emacs-lisp/cl.el (flet): Don't autoload.
(cl--letf, letf, cl--letf*, letf*, cl--gv-adapt)
(define-setf-expander, defsetf, define-modify-macro)
(cl-struct-setf-expander): Move from cl-lib.el.
* lisp/emacs-lisp/syntax.el:
* lisp/emacs-lisp/ewoc.el:
* lisp/emacs-lisp/smie.el:
* lisp/emacs-lisp/cconv.el:
* lisp/emacs-lisp/timer.el: Rename cl-setf -> setf, cl-push -> push.
(timer--time): Use gv-define-simple-setter.
* lisp/emacs-lisp/macroexp.el (macroexp-let2): Rename from macroexp-let²
to avoid coding-system problems in subr.el.  Adjust all users.
(macroexp--maxsize, macroexp-small-p): New functions.
* lisp/emacs-lisp/bytecomp.el (byte-compile-file): Don't use cl-letf.
* lisp/scroll-bar.el (scroll-bar-mode):
* lisp/simple.el (auto-fill-mode, overwrite-mode, binary-overwrite-mode)
(normal-erase-is-backspace-mode): Don't use the `eq' place.
* lisp/winner.el (winner-configuration, winner-make-point-alist)
(winner-set-conf, winner-get-point, winner-set): Don't abuse letf.
* lisp/files.el (locate-file-completion-table): Avoid list*.

Fixes: debbugs:11657
This commit is contained in:
Stefan Monnier 2012-06-22 09:42:38 -04:00
parent 575db3f1a8
commit 2ee3d7f0aa
23 changed files with 2043 additions and 1972 deletions
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4
lisp/emacs-lisp/pcase.el
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@ -210,7 +210,7 @@ of the form (UPAT EXP)."
(defun pcase--expand (exp cases)
;; (message "pid=%S (pcase--expand %S ...hash=%S)"
;; (emacs-pid) exp (sxhash cases))
(macroexp-let² macroexp-copyable-p val exp
(macroexp-let2 macroexp-copyable-p val exp
(let* ((defs ())
(seen '())
(codegen
@ -617,7 +617,7 @@ Otherwise, it defers to REST which is a list of branches of the form
;; A upat of the form (let VAR EXP).
;; (pcase--u1 matches code
;; (cons (cons (nth 1 upat) (nth 2 upat)) vars) rest)
(macroexp-let²
(macroexp-let2
macroexp-copyable-p sym
(let* ((exp (nth 2 upat))
(found (assq exp vars)))