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-rw-r--r--lisp/emacs-lisp/byte-run.el26
-rw-r--r--lisp/emacs-lisp/bytecomp.el26
-rw-r--r--lisp/emacs-lisp/cconv.el10
-rw-r--r--lisp/emacs-lisp/cl-macs.el61
-rw-r--r--lisp/emacs-lisp/debug.el18
-rw-r--r--lisp/emacs-lisp/lisp.el5
-rw-r--r--lisp/emacs-lisp/testcover.el2
7 files changed, 90 insertions, 58 deletions
diff --git a/lisp/emacs-lisp/byte-run.el b/lisp/emacs-lisp/byte-run.el
index c76cdffd62f..f79add14836 100644
--- a/lisp/emacs-lisp/byte-run.el
+++ b/lisp/emacs-lisp/byte-run.el
@@ -120,13 +120,13 @@ convention was modified."
The warning will say that CURRENT-NAME should be used instead.
If CURRENT-NAME is a string, that is the `use instead' message
\(it should end with a period, and not start with a capital).
-If provided, WHEN should be a string indicating when the function
+WHEN should be a string indicating when the function
was first made obsolete, for example a date or a release number."
(interactive "aMake function obsolete: \nxObsoletion replacement: ")
(put obsolete-name 'byte-obsolete-info
;; The second entry used to hold the `byte-compile' handler, but
;; is not used any more nowadays.
- (list (purecopy current-name) nil (purecopy when)))
+ (purecopy (list current-name nil when)))
obsolete-name)
(set-advertised-calling-convention
;; New code should always provide the `when' argument.
@@ -153,27 +153,21 @@ See the docstrings of `defalias' and `make-obsolete' for more details."
'define-obsolete-function-alias
'(obsolete-name current-name when &optional docstring) "23.1")
-(defun make-obsolete-variable (obsolete-name current-name &optional when)
+(defun make-obsolete-variable (obsolete-name current-name &optional when access-type)
"Make the byte-compiler warn that OBSOLETE-NAME is obsolete.
The warning will say that CURRENT-NAME should be used instead.
If CURRENT-NAME is a string, that is the `use instead' message.
-If provided, WHEN should be a string indicating when the variable
-was first made obsolete, for example a date or a release number."
- (interactive
- (list
- (let ((str (completing-read "Make variable obsolete: " obarray 'boundp t)))
- (if (equal str "") (error ""))
- (intern str))
- (car (read-from-string (read-string "Obsoletion replacement: ")))))
+WHEN should be a string indicating when the variable
+was first made obsolete, for example a date or a release number.
+ACCESS-TYPE if non-nil should specify the kind of access that will trigger
+ obsolescence warnings; it can be either `get' or `set'."
(put obsolete-name 'byte-obsolete-variable
- (cons
- (if (stringp current-name)
- (purecopy current-name)
- current-name) (purecopy when)))
+ (purecopy (list current-name access-type when)))
obsolete-name)
(set-advertised-calling-convention
;; New code should always provide the `when' argument.
- 'make-obsolete-variable '(obsolete-name current-name when) "23.1")
+ 'make-obsolete-variable
+ '(obsolete-name current-name when &optional access-type) "23.1")
(defmacro define-obsolete-variable-alias (obsolete-name current-name
&optional when docstring)
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 0dae6748c24..1e7ee315942 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -1109,7 +1109,7 @@ Each function's symbol gets added to `byte-compile-noruntime-functions'."
(let* ((funcp (get symbol 'byte-obsolete-info))
(obsolete (or funcp (get symbol 'byte-obsolete-variable)))
(instead (car obsolete))
- (asof (if funcp (nth 2 obsolete) (cdr obsolete))))
+ (asof (nth 2 obsolete)))
(unless (and funcp (memq symbol byte-compile-not-obsolete-funcs))
(byte-compile-warn "`%s' is an obsolete %s%s%s" symbol
(if funcp "function" "variable")
@@ -2991,7 +2991,7 @@ That command is designed for interactive use only" fn))
(cond
((<= (+ alen alen) fmax2)
;; Add missing &optional (or &rest) arguments.
- (dotimes (i (- (/ (1+ fmax2) 2) alen))
+ (dotimes (_ (- (/ (1+ fmax2) 2) alen))
(byte-compile-push-constant nil)))
((zerop (logand fmax2 1))
(byte-compile-log-warning "Too many arguments for inlined function"
@@ -3016,20 +3016,24 @@ That command is designed for interactive use only" fn))
(assert (eq byte-compile-depth (1+ start-depth))
nil "Wrong depth start=%s end=%s" start-depth byte-compile-depth)))
-(defun byte-compile-check-variable (var &optional binding)
- "Do various error checks before a use of the variable VAR.
-If BINDING is non-nil, VAR is being bound."
+(defun byte-compile-check-variable (var access-type)
+ "Do various error checks before a use of the variable VAR."
(when (symbolp var)
(byte-compile-set-symbol-position var))
(cond ((or (not (symbolp var)) (byte-compile-const-symbol-p var))
(when (byte-compile-warning-enabled-p 'constants)
- (byte-compile-warn (if binding
+ (byte-compile-warn (if (eq access-type 'let-bind)
"attempt to let-bind %s `%s`"
"variable reference to %s `%s'")
(if (symbolp var) "constant" "nonvariable")
(prin1-to-string var))))
- ((and (get var 'byte-obsolete-variable)
- (not (memq var byte-compile-not-obsolete-vars)))
+ ((let ((od (get var 'byte-obsolete-variable)))
+ (and od
+ (not (memq var byte-compile-not-obsolete-vars))
+ (or (case (nth 1 od)
+ (set (not (eq access-type 'reference)))
+ (get (eq access-type 'reference))
+ (t t)))))
(byte-compile-warn-obsolete var))))
(defsubst byte-compile-dynamic-variable-op (base-op var)
@@ -3041,13 +3045,13 @@ If BINDING is non-nil, VAR is being bound."
(defun byte-compile-dynamic-variable-bind (var)
"Generate code to bind the lexical variable VAR to the top-of-stack value."
- (byte-compile-check-variable var t)
+ (byte-compile-check-variable var 'let-bind)
(push var byte-compile-bound-variables)
(byte-compile-dynamic-variable-op 'byte-varbind var))
(defun byte-compile-variable-ref (var)
"Generate code to push the value of the variable VAR on the stack."
- (byte-compile-check-variable var)
+ (byte-compile-check-variable var 'reference)
(let ((lex-binding (assq var byte-compile--lexical-environment)))
(if lex-binding
;; VAR is lexically bound
@@ -3063,7 +3067,7 @@ If BINDING is non-nil, VAR is being bound."
(defun byte-compile-variable-set (var)
"Generate code to set the variable VAR from the top-of-stack value."
- (byte-compile-check-variable var)
+ (byte-compile-check-variable var 'assign)
(let ((lex-binding (assq var byte-compile--lexical-environment)))
(if lex-binding
;; VAR is lexically bound
diff --git a/lisp/emacs-lisp/cconv.el b/lisp/emacs-lisp/cconv.el
index 38584c437b8..742a98f5e7b 100644
--- a/lisp/emacs-lisp/cconv.el
+++ b/lisp/emacs-lisp/cconv.el
@@ -112,16 +112,6 @@
;; ,@(mapcar (lambda (binder) (if (consp binder) (cadr binder)))
;; binders)))
-;; (defmacro letrec (binders &rest body)
-;; ;; Only useful in lexical-binding mode.
-;; ;; As a special-form, we could implement it more efficiently (and cleanly,
-;; ;; making the vars actually unbound during evaluation of the binders).
-;; `(let ,(mapcar (lambda (binder) (if (consp binder) (car binder) binder))
-;; binders)
-;; ,@(delq nil (mapcar (lambda (binder) (if (consp binder) `(setq ,@binder)))
-;; binders))
-;; ,@body))
-
(eval-when-compile (require 'cl))
(defconst cconv-liftwhen 6
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index 9ce3dd6a7fe..2813cc4f065 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -1236,14 +1236,29 @@ Then evaluate RESULT to get return value, default nil.
\(fn (VAR LIST [RESULT]) BODY...)"
(let ((temp (make-symbol "--cl-dolist-temp--")))
- (list 'block nil
- (list* 'let (list (list temp (nth 1 spec)) (car spec))
- (list* 'while temp (list 'setq (car spec) (list 'car temp))
- (append body (list (list 'setq temp
- (list 'cdr temp)))))
- (if (cdr (cdr spec))
- (cons (list 'setq (car spec) nil) (cdr (cdr spec)))
- '(nil))))))
+ ;; FIXME: Copy&pasted from subr.el.
+ `(block nil
+ ;; This is not a reliable test, but it does not matter because both
+ ;; semantics are acceptable, tho one is slightly faster with dynamic
+ ;; scoping and the other is slightly faster (and has cleaner semantics)
+ ;; with lexical scoping.
+ ,(if lexical-binding
+ `(let ((,temp ,(nth 1 spec)))
+ (while ,temp
+ (let ((,(car spec) (car ,temp)))
+ ,@body
+ (setq ,temp (cdr ,temp))))
+ ,@(if (cdr (cdr spec))
+ ;; FIXME: This let often leads to "unused var" warnings.
+ `((let ((,(car spec) nil)) ,@(cdr (cdr spec))))))
+ `(let ((,temp ,(nth 1 spec))
+ ,(car spec))
+ (while ,temp
+ (setq ,(car spec) (car ,temp))
+ ,@body
+ (setq ,temp (cdr ,temp)))
+ ,@(if (cdr (cdr spec))
+ `((setq ,(car spec) nil) ,@(cddr spec))))))))
;;;###autoload
(defmacro dotimes (spec &rest body)
@@ -1253,12 +1268,30 @@ to COUNT, exclusive. Then evaluate RESULT to get return value, default
nil.
\(fn (VAR COUNT [RESULT]) BODY...)"
- (let ((temp (make-symbol "--cl-dotimes-temp--")))
- (list 'block nil
- (list* 'let (list (list temp (nth 1 spec)) (list (car spec) 0))
- (list* 'while (list '< (car spec) temp)
- (append body (list (list 'incf (car spec)))))
- (or (cdr (cdr spec)) '(nil))))))
+ (let ((temp (make-symbol "--cl-dotimes-temp--"))
+ (end (nth 1 spec)))
+ ;; FIXME: Copy&pasted from subr.el.
+ `(block nil
+ ;; This is not a reliable test, but it does not matter because both
+ ;; semantics are acceptable, tho one is slightly faster with dynamic
+ ;; scoping and the other has cleaner semantics.
+ ,(if lexical-binding
+ (let ((counter '--dotimes-counter--))
+ `(let ((,temp ,end)
+ (,counter 0))
+ (while (< ,counter ,temp)
+ (let ((,(car spec) ,counter))
+ ,@body)
+ (setq ,counter (1+ ,counter)))
+ ,@(if (cddr spec)
+ ;; FIXME: This let often leads to "unused var" warnings.
+ `((let ((,(car spec) ,counter)) ,@(cddr spec))))))
+ `(let ((,temp ,end)
+ (,(car spec) 0))
+ (while (< ,(car spec) ,temp)
+ ,@body
+ (incf ,(car spec)))
+ ,@(cdr (cdr spec)))))))
;;;###autoload
(defmacro do-symbols (spec &rest body)
diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 88633eaaa46..28962595ace 100644
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -118,6 +118,10 @@ first will be printed into the backtrace buffer."
(let (debugger-value
(debug-on-error nil)
(debug-on-quit nil)
+ (debugger-previous-state
+ (if (get-buffer "*Backtrace*")
+ (with-current-buffer (get-buffer "*Backtrace*")
+ (list major-mode (buffer-string)))))
(debugger-buffer (get-buffer-create "*Backtrace*"))
(debugger-old-buffer (current-buffer))
(debugger-step-after-exit nil)
@@ -214,8 +218,6 @@ first will be printed into the backtrace buffer."
;; recreate it every time the debugger stops, so instead we'll
;; erase it (and maybe hide it) but keep it alive.
(with-current-buffer debugger-buffer
- (erase-buffer)
- (fundamental-mode)
(with-selected-window (get-buffer-window debugger-buffer 0)
(when (and (window-dedicated-p (selected-window))
(not debugger-will-be-back))
@@ -232,7 +234,17 @@ first will be printed into the backtrace buffer."
;; to be left at the top-level, still working on how
;; best to do that.
(bury-buffer))))
- (kill-buffer debugger-buffer))
+ (unless debugger-previous-state
+ (kill-buffer debugger-buffer)))
+ ;; Restore the previous state of the debugger-buffer, in case we were
+ ;; in a recursive invocation of the debugger.
+ (when (and debugger-previous-state
+ (buffer-live-p debugger-buffer))
+ (with-current-buffer debugger-buffer
+ (let ((inhibit-read-only t))
+ (erase-buffer)
+ (insert (nth 1 debugger-previous-state))
+ (funcall (nth 0 debugger-previous-state)))))
(with-timeout-unsuspend debugger-with-timeout-suspend)
(set-match-data debugger-outer-match-data)))
;; Put into effect the modified values of these variables
diff --git a/lisp/emacs-lisp/lisp.el b/lisp/emacs-lisp/lisp.el
index ece96fe2515..db6a03333d4 100644
--- a/lisp/emacs-lisp/lisp.el
+++ b/lisp/emacs-lisp/lisp.el
@@ -636,9 +636,8 @@ considered."
(plist (nthcdr 3 data)))
(if (null data)
(minibuffer-message "Nothing to complete")
- (let ((completion-annotate-function
- (plist-get plist :annotation-function)))
- (completion-in-region (nth 0 data) (nth 1 data) (nth 2 data)
+ (let ((completion-extra-properties plist))
+ (completion-in-region (nth 0 data) (nth 1 data) (nth 2 data)
(plist-get plist :predicate))))))
diff --git a/lisp/emacs-lisp/testcover.el b/lisp/emacs-lisp/testcover.el
index 08f757819f2..2f168180cf6 100644
--- a/lisp/emacs-lisp/testcover.el
+++ b/lisp/emacs-lisp/testcover.el
@@ -430,7 +430,7 @@ FUN should be `testcover-reinstrument' for compositional functions,
"Turn off instrumentation of all macros and functions in FILENAME."
(interactive "fStop covering file: ")
(let ((buf (find-file-noselect filename)))
- (eval-buffer buf t)))
+ (eval-buffer buf)))
;;;=========================================================================