Mercurial > hg > xemacs-beta
annotate lisp/itimer-autosave.el @ 5607:1a507c4c6c42
Refactor out sequence-oriented builtins from fns.c to the new sequence.c.
src/ChangeLog addition:
2011-12-04 Aidan Kehoe <kehoea@parhasard.net>
* Makefile.in.in (objs):
* depend:
Add sequence.o to the list of objects and dependencies.
* alloc.c:
* alloc.c (mark_bit_vector):
* alloc.c (print_bit_vector):
* alloc.c (bit_vector_equal):
* alloc.c (internal_bit_vector_equalp_hash):
* alloc.c (bit_vector_hash):
* alloc.c (init_alloc_once_early):
Move the implementation of the bit vector type here from fns.c.
* emacs.c (main_1):
Call syms_of_sequence() here, now sequence.c is included.
* fns.c (Fold_rassq):
Move this together with the rest of the Fold_* functions.
* fns.c:
* fns.c (syms_of_fns):
Move most functions dealing with sequences generally, and
especially those taking key arguments, to a separate file,
sequence.c.
* general-slots.h:
Qyes_or_no_p belong here, not fns.c.
* lisp.h:
Make Flist_length available here, it's used by sequence.c
* sequence.c:
* sequence.c (check_sequence_range):
* sequence.c (Flength):
* sequence.c (check_other_nokey):
* sequence.c (check_other_key):
* sequence.c (check_if_key):
* sequence.c (check_match_eq_key):
* sequence.c (check_match_eql_key):
* sequence.c (check_match_equal_key):
* sequence.c (check_match_equalp_key):
* sequence.c (check_match_other_key):
* sequence.c (check_lss_key):
* sequence.c (check_lss_key_car):
* sequence.c (check_string_lessp_key):
* sequence.c (check_string_lessp_key_car):
* sequence.c (get_check_match_function_1):
* sequence.c (get_merge_predicate):
* sequence.c (count_with_tail):
* sequence.c (list_count_from_end):
* sequence.c (string_count_from_end):
* sequence.c (Fcount):
* sequence.c (Fsubseq):
* sequence.c (list_position_cons_before):
* sequence.c (FmemberX):
* sequence.c (Fadjoin):
* sequence.c (FassocX):
* sequence.c (FrassocX):
* sequence.c (position):
* sequence.c (Fposition):
* sequence.c (Ffind):
* sequence.c (delq_no_quit_and_free_cons):
* sequence.c (FdeleteX):
* sequence.c (FremoveX):
* sequence.c (list_delete_duplicates_from_end):
* sequence.c (Fdelete_duplicates):
* sequence.c (Fremove_duplicates):
* sequence.c (Fnreverse):
* sequence.c (Freverse):
* sequence.c (list_merge):
* sequence.c (array_merge):
* sequence.c (list_array_merge_into_list):
* sequence.c (list_list_merge_into_array):
* sequence.c (list_array_merge_into_array):
* sequence.c (Fmerge):
* sequence.c (list_sort):
* sequence.c (array_sort):
* sequence.c (FsortX):
* sequence.c (Ffill):
* sequence.c (mapcarX):
* sequence.c (shortest_length_among_sequences):
* sequence.c (Fmapconcat):
* sequence.c (FmapcarX):
* sequence.c (Fmapvector):
* sequence.c (Fmapcan):
* sequence.c (Fmap):
* sequence.c (Fmap_into):
* sequence.c (Fsome):
* sequence.c (Fevery):
* sequence.c (Freduce):
* sequence.c (replace_string_range_1):
* sequence.c (Freplace):
* sequence.c (Fnsubstitute):
* sequence.c (Fsubstitute):
* sequence.c (subst):
* sequence.c (sublis):
* sequence.c (Fsublis):
* sequence.c (nsublis):
* sequence.c (Fnsublis):
* sequence.c (Fsubst):
* sequence.c (Fnsubst):
* sequence.c (tree_equal):
* sequence.c (Ftree_equal):
* sequence.c (mismatch_from_end):
* sequence.c (mismatch_list_list):
* sequence.c (mismatch_list_string):
* sequence.c (mismatch_list_array):
* sequence.c (mismatch_string_array):
* sequence.c (mismatch_string_string):
* sequence.c (mismatch_array_array):
* sequence.c (get_mismatch_func):
* sequence.c (Fmismatch):
* sequence.c (Fsearch):
* sequence.c (venn):
* sequence.c (nvenn):
* sequence.c (Funion):
* sequence.c (Fset_exclusive_or):
* sequence.c (Fnset_exclusive_or):
* sequence.c (syms_of_sequence):
Add this file, containing those general functions that dealt with
sequences that were in fns.c.
* symsinit.h:
Make syms_of_sequence() available here.
man/ChangeLog addition:
2011-12-04 Aidan Kehoe <kehoea@parhasard.net>
* internals/internals.texi (Basic Lisp Modules):
Document sequence.c here too.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 04 Dec 2011 18:42:50 +0000 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 209 | 1 ;;; itimer-autosave.el --- Autosave functions with itimers |
| 2 | |
| 3 ;; Copyright status unknown | |
| 4 | |
| 5 ;; Maintainer: XEmacs Development Team | |
| 6 ;; Keywords: internal, dumped | |
| 7 | |
| 8 ;; This file is part of XEmacs. | |
| 9 | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
10 ;; XEmacs is free software: you can redistribute it and/or modify it |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
11 ;; under the terms of the GNU General Public License as published by the |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
12 ;; Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
13 ;; option) any later version. |
| 209 | 14 |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
15 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
16 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
17 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
18 ;; for more details. |
| 209 | 19 |
| 20 ;; You should have received a copy of the GNU General Public License | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
209
diff
changeset
|
21 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 209 | 22 |
| 23 ;;; Synched up with: Not in FSF. | |
| 24 | |
| 25 ;;; Commentary: | |
| 26 | |
| 27 ;; This file is dumped with XEmacs. | |
| 28 | |
| 29 ;; itimer-driven auto-saves | |
| 30 | |
| 31 ;;; Code: | |
| 32 | |
| 33 ;jwz: this is preloaded so don't ;;;###autoload | |
| 34 (defvar auto-save-timeout 960 | |
| 35 "*Number of seconds idle time before auto-save. | |
| 36 Zero or nil means disable auto-saving due to idleness. | |
| 37 | |
| 38 The actual amount of idle time between auto-saves is logarithmically related | |
| 39 to the size of the current buffer. This variable is the number of seconds | |
| 40 after which an auto-save will happen when the current buffer is 50k or less; | |
| 41 the timeout will be 2 1/4 times this in a 200k buffer, 3 3/4 times this in a | |
| 42 1000k buffer, and 4 1/2 times this in a 2000k buffer. | |
| 43 | |
| 44 See also the variable `auto-save-interval', which controls auto-saving based | |
| 45 on the number of characters typed.") | |
| 46 | |
| 47 ;jwz: this is preloaded so don't ;;;###autoload | |
| 48 (defvar auto-gc-threshold (/ gc-cons-threshold 3) | |
| 49 "*GC when this many bytes have been consed since the last GC, | |
| 50 and the user has been idle for `auto-save-timeout' seconds.") | |
| 51 | |
| 52 (defun auto-save-itimer () | |
| 53 "For use as a itimer callback function. | |
| 54 Auto-saves and garbage-collects based on the size of the current buffer | |
| 55 and the value of `auto-save-timeout', `auto-gc-threshold', and the current | |
| 56 keyboard idle-time." | |
| 57 (if (or (null auto-save-timeout) | |
| 58 (<= auto-save-timeout 0) | |
| 59 (eq (minibuffer-window) (selected-window))) | |
| 60 nil | |
| 61 (let ((buf-size (1+ (ash (buffer-size) -8))) | |
| 62 (delay-level 0) | |
| 63 (now (current-time)) | |
| 64 delay) | |
| 65 (while (> buf-size 64) | |
| 66 (setq delay-level (1+ delay-level) | |
| 67 buf-size (- buf-size (ash buf-size -2)))) | |
| 68 (if (< delay-level 4) | |
| 69 (setq delay-level 4)) | |
| 70 ;; delay_level is 4 for files under around 50k, 7 at 100k, 9 at 200k, | |
| 71 ;; 11 at 300k, and 12 at 500k, 15 at 1 meg, and 17 at 2 meg. | |
| 72 (setq delay (/ (* delay-level auto-save-timeout) 4)) | |
| 73 (let ((idle-time (if (or (not (consp last-input-time)) | |
| 74 (/= (car now) (car last-input-time))) | |
| 75 (1+ delay) | |
| 76 (- (car (cdr now)) (cdr last-input-time))))) | |
| 77 (and (> idle-time delay) | |
| 78 (do-auto-save)) | |
| 79 (and (> idle-time auto-save-timeout) | |
| 80 (> (consing-since-gc) auto-gc-threshold) | |
| 81 (garbage-collect))))) | |
| 82 ;; Look at the itimer that's currently running; if the user has changed | |
| 83 ;; the value of auto-save-timeout, modify this itimer to have the correct | |
| 84 ;; restart time. There will be some latency between when the user changes | |
| 85 ;; this variable and when it takes effect, but it will happen eventually. | |
| 86 (let ((self (get-itimer "auto-save"))) | |
| 87 (or self (error "auto-save-itimer can't find itself")) | |
| 88 (if (and auto-save-timeout (> auto-save-timeout 4)) | |
| 89 (or (= (itimer-restart self) (/ auto-save-timeout 4)) | |
| 90 (set-itimer-restart self (/ auto-save-timeout 4))))) | |
| 91 nil) | |
| 92 | |
| 93 (defun itimer-init-auto-gc () | |
| 94 (or noninteractive ; may be being run from after-init-hook in -batch mode. | |
| 95 (get-itimer "auto-save") | |
| 96 ;; the time here is just the first interval; if the user changes it | |
| 97 ;; later, it will adjust. | |
| 98 (let ((time (max 2 (/ (or auto-save-timeout 30) 4)))) | |
| 99 (start-itimer "auto-save" 'auto-save-itimer time time)))) | |
| 100 | |
| 101 (cond (purify-flag | |
| 102 ;; This file is being preloaded into an emacs about to be dumped. | |
| 103 ;; So arrange for the auto-save itimer to be started once emacs | |
| 104 ;; is launched. | |
| 105 (add-hook 'after-init-hook 'itimer-init-auto-gc)) | |
| 106 (t | |
| 107 ;; Otherwise, this file is being loaded into a normal, interactive | |
| 108 ;; emacs. Start the auto-save timer now. | |
| 109 (itimer-init-auto-gc))) | |
| 110 | |
| 111 | |
| 112 ;;; itimer-autosave.el ends here |