* bug#31697: 27.0.50; Add new macro dolist-with-progress-reporter @ 2018-06-03 13:16 Tino Calancha 2018-06-03 14:00 ` Tino Calancha 0 siblings, 1 reply; 3+ messages in thread From: Tino Calancha @ 2018-06-03 13:16 UTC (permalink / raw) To: 31697; +Cc: stefan monnier Severity: Wishlist X-Debbugs-Cc: Stefan Monnier <monnier@iro.umontreal.ca> It might have sense to have also this macro: sister of `dotimes-with-progress-reporter'. --8<-----------------------------cut here---------------start------------->8--- commit cfe50e187acb0cc4341869cc35acac83d82826d4 Author: Tino Calancha <tino.calancha@gmail.com> Date: Sun Jun 3 22:06:12 2018 +0900 Add new macro dolist-with-progress-reporter * lisp/subr.el (dolist-with-progress-reporter): New macro (Bug#31697). * lisp/cus-edit.el (custom-group-value-create): Use it. * lisp/dabbrev.el (dabbrev--progress-reporter): Delete variable. (dabbrev--find-expansion): Use dotimes-with-progress-reporter. * doc/lispref/display.texi: Document the macro ; * etc/NEWS: Announce it. diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi index ce7ec3ac10..dd1d1e80e9 100644 --- a/doc/lispref/display.texi +++ b/doc/lispref/display.texi @@ -485,6 +485,12 @@ Progress @end example @end defmac +@defmac dolist-with-progress-reporter (var count [result]) reporter-or-message body@dots{} +This is another convenience macro that works the same way as @code{dolist} +does, but also reports loop progress using the functions described +above. +@end defmac + @node Logging Messages @subsection Logging Messages in @file{*Messages*} @cindex logging echo-area messages diff --git a/etc/NEWS b/etc/NEWS index 1b324986d9..16e2d6d752 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -562,6 +562,8 @@ manual for more details. * Lisp Changes in Emacs 27.1 +++ +** New macro dolist-with-progress-reporter. ++++ ** New function assoc-delete-all. +++ diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el index a12897e799..c227bb0a26 100644 --- a/lisp/cus-edit.el +++ b/lisp/cus-edit.el @@ -4221,19 +4221,14 @@ custom-group-value-create custom-buffer-order-groups)) (prefixes (widget-get widget :custom-prefixes)) (custom-prefix-list (custom-prefix-add symbol prefixes)) - (len (length members)) - (count 0) - (reporter (make-progress-reporter - "Creating group entries..." 0 len)) (have-subtitle (and (not (eq symbol 'emacs)) (eq custom-buffer-order-groups 'last))) prev-type children) - (dolist (entry members) + (dolist-with-progress-reporter (entry members) "Creating group entries..." (unless (eq prev-type 'custom-group) (widget-insert "\n")) - (progress-reporter-update reporter (setq count (1+ count))) (let ((sym (nth 0 entry)) (type (nth 1 entry))) (when (and have-subtitle (eq type 'custom-group)) @@ -4255,8 +4250,7 @@ custom-group-value-create (setq children (nreverse children)) (mapc 'custom-magic-reset children) (widget-put widget :children children) - (custom-group-state-update widget) - (progress-reporter-done reporter)) + (custom-group-state-update widget)) ;; End line (let ((p (1+ (point)))) (insert "\n\n") diff --git a/lisp/dabbrev.el b/lisp/dabbrev.el index 57ee9a526a..4af22e6140 100644 --- a/lisp/dabbrev.el +++ b/lisp/dabbrev.el @@ -327,9 +327,6 @@ dabbrev--check-other-buffers ;; The regexp for recognizing a character in an abbreviation. (defvar dabbrev--abbrev-char-regexp nil) -;; The progress reporter for buffer-scanning progress. -(defvar dabbrev--progress-reporter nil) - ;;---------------------------------------------------------------- ;; Macros ;;---------------------------------------------------------------- @@ -739,21 +736,19 @@ dabbrev--find-expansion ;; Put that list in dabbrev--friend-buffer-list. (unless dabbrev--friend-buffer-list (setq dabbrev--friend-buffer-list - (dabbrev--make-friend-buffer-list)) - (setq dabbrev--progress-reporter - (make-progress-reporter - "Scanning for dabbrevs..." - (- (length dabbrev--friend-buffer-list)) 0 0 1 1.5)))) + (dabbrev--make-friend-buffer-list)))) ;; Walk through the buffers till we find a match. (let (expansion) - (while (and (not expansion) dabbrev--friend-buffer-list) + (dolist-with-progress-reporter + (_ dabbrev--friend-buffer-list) + (make-progress-reporter + "Scanning for dabbrevs..." + 0 (length dabbrev--friend-buffer-list) 0 1 1.5) (setq dabbrev--last-buffer (pop dabbrev--friend-buffer-list)) (set-buffer dabbrev--last-buffer) - (progress-reporter-update dabbrev--progress-reporter - (- (length dabbrev--friend-buffer-list))) (setq dabbrev--last-expansion-location (point-min)) - (setq expansion (dabbrev--try-find abbrev nil 1 ignore-case))) - (progress-reporter-done dabbrev--progress-reporter) + (setq expansion (dabbrev--try-find abbrev nil 1 ignore-case)) + (unless expansion (setq dabbrev--friend-buffer-list '()))) expansion))))) ;; Compute the list of buffers to scan. diff --git a/lisp/subr.el b/lisp/subr.el index 914112ccef..7eabc3e12a 100644 --- a/lisp/subr.el +++ b/lisp/subr.el @@ -5039,6 +5039,31 @@ dotimes-with-progress-reporter (setq ,(car spec) (1+ ,(car spec))))) (progress-reporter-done ,temp2) nil ,@(cdr (cdr spec))))) +(defmacro dolist-with-progress-reporter (spec reporter-or-message &rest body) + "Loop over a list and report progress in the echo area. +Evaluate BODY with VAR bound to each car from LIST, in turn. +Then evaluate RESULT to get return value, default nil. + +REPORTER-OR-MESSAGE is a progress reporter object or a string. In the latter +case, use this string to create a progress reporter. + +At each iteration, print the reporter message followed by progress +percentage in the echo area. After the loop is finished, +print the reporter message followed by word \"done\". + +\(fn (VAR LIST [RESULT]) MESSAGE BODY...)" + (declare (indent 2) (debug ((symbolp form &optional form) form body))) + (let ((prep (make-symbol "--dolist-progress-reporter--")) + (count (make-symbol "--dolist-count--"))) + `(let ((,prep ,reporter-or-message) + (,count 0)) + (when (stringp ,prep) + (setq ,prep (make-progress-reporter ,prep 0 (1- (length ,(cadr spec)))))) + (dolist ,spec + ,@body + (progress-reporter-update ,prep (setq ,count (1+ ,count)))) + (progress-reporter-done ,prep) + (or ,@(cdr (cdr spec)) nil)))) \f ;;;; Comparing version strings. --8<-----------------------------cut here---------------end--------------->8--- In GNU Emacs 27.0.50 (build 78, x86_64-pc-linux-gnu, GTK+ Version 3.22.11) of 2018-06-03 built on calancha-pc Repository revision: e75c57f10ee9418599398361b0676f48d265fb12 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* bug#31697: 27.0.50; Add new macro dolist-with-progress-reporter 2018-06-03 13:16 bug#31697: 27.0.50; Add new macro dolist-with-progress-reporter Tino Calancha @ 2018-06-03 14:00 ` Tino Calancha 2018-06-17 9:38 ` Tino Calancha 0 siblings, 1 reply; 3+ messages in thread From: Tino Calancha @ 2018-06-03 14:00 UTC (permalink / raw) To: 31697; +Cc: stefan monnier, Noam Postavsky Tino Calancha <tino.calancha@gmail.com> writes: > + (declare (indent 2) (debug ((symbolp form &optional form) form body))) > + (let ((prep (make-symbol "--dolist-progress-reporter--")) > + (count (make-symbol "--dolist-count--"))) > + `(let ((,prep ,reporter-or-message) > + (,count 0)) > + (when (stringp ,prep) > + (setq ,prep (make-progress-reporter ,prep 0 (1- (length ,(cadr spec)))))) > + (dolist ,spec > + ,@body > + (progress-reporter-update ,prep (setq ,count (1+ ,count)))) > + (progress-reporter-done ,prep) > + (or ,@(cdr (cdr spec)) nil)))) As pointed out by Noam in Bug#31696, I am also evaluating twice here the form at (nth 1 SPEC). I must add another variable. Here is the updated patch. --8<-----------------------------cut here---------------start------------->8--- commit 0cd28b8a33fcd1c5e348af67462257b707b79bad Author: Tino Calancha <tino.calancha@gmail.com> Date: Sun Jun 3 22:56:02 2018 +0900 Add new macro dolist-with-progress-reporter * lisp/subr.el (dolist-with-progress-reporter): New macro (Bug#31697). * lisp/cus-edit.el (custom-group-value-create): Use it. * lisp/dabbrev.el (dabbrev--progress-reporter): Delete variable. (dabbrev--find-expansion): Use dotimes-with-progress-reporter. * doc/lispref/display.texi: Document the macro ; * etc/NEWS: Announce it. diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi index ce7ec3ac10..dd1d1e80e9 100644 --- a/doc/lispref/display.texi +++ b/doc/lispref/display.texi @@ -485,6 +485,12 @@ Progress @end example @end defmac +@defmac dolist-with-progress-reporter (var count [result]) reporter-or-message body@dots{} +This is another convenience macro that works the same way as @code{dolist} +does, but also reports loop progress using the functions described +above. +@end defmac + @node Logging Messages @subsection Logging Messages in @file{*Messages*} @cindex logging echo-area messages diff --git a/etc/NEWS b/etc/NEWS index 1b324986d9..16e2d6d752 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -562,6 +562,8 @@ manual for more details. * Lisp Changes in Emacs 27.1 +++ +** New macro dolist-with-progress-reporter. ++++ ** New function assoc-delete-all. +++ diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el index a12897e799..c227bb0a26 100644 --- a/lisp/cus-edit.el +++ b/lisp/cus-edit.el @@ -4221,19 +4221,14 @@ custom-group-value-create custom-buffer-order-groups)) (prefixes (widget-get widget :custom-prefixes)) (custom-prefix-list (custom-prefix-add symbol prefixes)) - (len (length members)) - (count 0) - (reporter (make-progress-reporter - "Creating group entries..." 0 len)) (have-subtitle (and (not (eq symbol 'emacs)) (eq custom-buffer-order-groups 'last))) prev-type children) - (dolist (entry members) + (dolist-with-progress-reporter (entry members) "Creating group entries..." (unless (eq prev-type 'custom-group) (widget-insert "\n")) - (progress-reporter-update reporter (setq count (1+ count))) (let ((sym (nth 0 entry)) (type (nth 1 entry))) (when (and have-subtitle (eq type 'custom-group)) @@ -4255,8 +4250,7 @@ custom-group-value-create (setq children (nreverse children)) (mapc 'custom-magic-reset children) (widget-put widget :children children) - (custom-group-state-update widget) - (progress-reporter-done reporter)) + (custom-group-state-update widget)) ;; End line (let ((p (1+ (point)))) (insert "\n\n") diff --git a/lisp/dabbrev.el b/lisp/dabbrev.el index 57ee9a526a..4af22e6140 100644 --- a/lisp/dabbrev.el +++ b/lisp/dabbrev.el @@ -327,9 +327,6 @@ dabbrev--check-other-buffers ;; The regexp for recognizing a character in an abbreviation. (defvar dabbrev--abbrev-char-regexp nil) -;; The progress reporter for buffer-scanning progress. -(defvar dabbrev--progress-reporter nil) - ;;---------------------------------------------------------------- ;; Macros ;;---------------------------------------------------------------- @@ -739,21 +736,19 @@ dabbrev--find-expansion ;; Put that list in dabbrev--friend-buffer-list. (unless dabbrev--friend-buffer-list (setq dabbrev--friend-buffer-list - (dabbrev--make-friend-buffer-list)) - (setq dabbrev--progress-reporter - (make-progress-reporter - "Scanning for dabbrevs..." - (- (length dabbrev--friend-buffer-list)) 0 0 1 1.5)))) + (dabbrev--make-friend-buffer-list)))) ;; Walk through the buffers till we find a match. (let (expansion) - (while (and (not expansion) dabbrev--friend-buffer-list) + (dolist-with-progress-reporter + (_ dabbrev--friend-buffer-list) + (make-progress-reporter + "Scanning for dabbrevs..." + 0 (length dabbrev--friend-buffer-list) 0 1 1.5) (setq dabbrev--last-buffer (pop dabbrev--friend-buffer-list)) (set-buffer dabbrev--last-buffer) - (progress-reporter-update dabbrev--progress-reporter - (- (length dabbrev--friend-buffer-list))) (setq dabbrev--last-expansion-location (point-min)) - (setq expansion (dabbrev--try-find abbrev nil 1 ignore-case))) - (progress-reporter-done dabbrev--progress-reporter) + (setq expansion (dabbrev--try-find abbrev nil 1 ignore-case)) + (unless expansion (setq dabbrev--friend-buffer-list '()))) expansion))))) ;; Compute the list of buffers to scan. diff --git a/lisp/subr.el b/lisp/subr.el index 914112ccef..0a4de8365f 100644 --- a/lisp/subr.el +++ b/lisp/subr.el @@ -5039,6 +5039,33 @@ dotimes-with-progress-reporter (setq ,(car spec) (1+ ,(car spec))))) (progress-reporter-done ,temp2) nil ,@(cdr (cdr spec))))) +(defmacro dolist-with-progress-reporter (spec reporter-or-message &rest body) + "Loop over a list and report progress in the echo area. +Evaluate BODY with VAR bound to each car from LIST, in turn. +Then evaluate RESULT to get return value, default nil. + +REPORTER-OR-MESSAGE is a progress reporter object or a string. In the latter +case, use this string to create a progress reporter. + +At each iteration, print the reporter message followed by progress +percentage in the echo area. After the loop is finished, +print the reporter message followed by word \"done\". + +\(fn (VAR LIST [RESULT]) MESSAGE BODY...)" + (declare (indent 2) (debug ((symbolp form &optional form) form body))) + (let ((prep (make-symbol "--dolist-progress-reporter--")) + (count (make-symbol "--dolist-count--")) + (list (make-symbol "--dolist-list--"))) + `(let ((,prep ,reporter-or-message) + (,count 0) + (,list ,(cadr spec))) + (when (stringp ,prep) + (setq ,prep (make-progress-reporter ,prep 0 (1- (length ,list))))) + (dolist (,(car spec) ,list) + ,@body + (progress-reporter-update ,prep (setq ,count (1+ ,count)))) + (progress-reporter-done ,prep) + (or ,@(cdr (cdr spec)) nil)))) \f ;;;; Comparing version strings. --8<-----------------------------cut here---------------end--------------->8--- ^ permalink raw reply related [flat|nested] 3+ messages in thread
* bug#31697: 27.0.50; Add new macro dolist-with-progress-reporter 2018-06-03 14:00 ` Tino Calancha @ 2018-06-17 9:38 ` Tino Calancha 0 siblings, 0 replies; 3+ messages in thread From: Tino Calancha @ 2018-06-17 9:38 UTC (permalink / raw) To: 31697-done Tino Calancha <tino.calancha@gmail.com> writes: > Tino Calancha <tino.calancha@gmail.com> writes: > >> + (declare (indent 2) (debug ((symbolp form &optional form) form body))) >> + (let ((prep (make-symbol "--dolist-progress-reporter--")) >> + (count (make-symbol "--dolist-count--"))) >> + `(let ((,prep ,reporter-or-message) >> + (,count 0)) >> + (when (stringp ,prep) >> + (setq ,prep (make-progress-reporter ,prep 0 (1- (length ,(cadr spec)))))) >> + (dolist ,spec >> + ,@body >> + (progress-reporter-update ,prep (setq ,count (1+ ,count)))) >> + (progress-reporter-done ,prep) >> + (or ,@(cdr (cdr spec)) nil)))) > As pointed out by Noam in Bug#31696, I am also evaluating twice here the > form at (nth 1 SPEC). I must add another variable. > Updated patch. Implemented into master branch as commit 'Add new macro dolist-with-progress-reporter' (edb1f85a27817a3fac38bb85752671414819203b) ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-06-17 9:38 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2018-06-03 13:16 bug#31697: 27.0.50; Add new macro dolist-with-progress-reporter Tino Calancha 2018-06-03 14:00 ` Tino Calancha 2018-06-17 9:38 ` Tino Calancha
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