Mercurial > hg > xemacs-beta
annotate lisp/buffer.el @ 5157:1fae11d56ad2
redo memory-usage mechanism, add way of dynamically initializing Lisp objects
-------------------- ChangeLog entries follow: --------------------
lisp/ChangeLog addition:
2010-03-18 Ben Wing <ben@xemacs.org>
* diagnose.el (show-memory-usage):
Rewrite to take into account API changes in memory-usage functions.
src/ChangeLog addition:
2010-03-18 Ben Wing <ben@xemacs.org>
* alloc.c:
* alloc.c (disksave_object_finalization_1):
* alloc.c (lisp_object_storage_size):
* alloc.c (listu):
* alloc.c (listn):
* alloc.c (Fobject_memory_usage_stats):
* alloc.c (compute_memusage_stats_length):
* alloc.c (Fobject_memory_usage):
* alloc.c (Ftotal_object_memory_usage):
* alloc.c (malloced_storage_size):
* alloc.c (common_init_alloc_early):
* alloc.c (reinit_alloc_objects_early):
* alloc.c (reinit_alloc_early):
* alloc.c (init_alloc_once_early):
* alloc.c (syms_of_alloc):
* alloc.c (reinit_vars_of_alloc):
* buffer.c:
* buffer.c (struct buffer_stats):
* buffer.c (compute_buffer_text_usage):
* buffer.c (compute_buffer_usage):
* buffer.c (buffer_memory_usage):
* buffer.c (buffer_objects_create):
* buffer.c (syms_of_buffer):
* buffer.c (vars_of_buffer):
* console-impl.h (struct console_methods):
* dynarr.c (Dynarr_memory_usage):
* emacs.c (main_1):
* events.c (clear_event_resource):
* extents.c:
* extents.c (compute_buffer_extent_usage):
* extents.c (extent_objects_create):
* extents.h:
* faces.c:
* faces.c (compute_face_cachel_usage):
* faces.c (face_objects_create):
* faces.h:
* general-slots.h:
* glyphs.c:
* glyphs.c (compute_glyph_cachel_usage):
* glyphs.c (glyph_objects_create):
* glyphs.h:
* lisp.h:
* lisp.h (struct usage_stats):
* lrecord.h:
* lrecord.h (enum lrecord_type):
* lrecord.h (struct lrecord_implementation):
* lrecord.h (MC_ALLOC_CALL_FINALIZER_FOR_DISKSAVE):
* lrecord.h (DEFINE_DUMPABLE_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_SIZABLE_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_FROB_BLOCK_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_FROB_BLOCK_SIZABLE_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_SIZABLE_INTERNAL_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_SIZABLE_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_FROB_BLOCK_SIZABLE_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_INTERNAL_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_SIZABLE_INTERNAL_LISP_OBJECT):
* lrecord.h (MAKE_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_MODULE_LISP_OBJECT):
* lrecord.h (DEFINE_DUMPABLE_MODULE_SIZABLE_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_MODULE_LISP_OBJECT):
* lrecord.h (DEFINE_NODUMP_MODULE_SIZABLE_LISP_OBJECT):
* lrecord.h (MAKE_MODULE_LISP_OBJECT):
* lrecord.h (INIT_LISP_OBJECT):
* lrecord.h (INIT_MODULE_LISP_OBJECT):
* lrecord.h (UNDEF_LISP_OBJECT):
* lrecord.h (UNDEF_MODULE_LISP_OBJECT):
* lrecord.h (DECLARE_LISP_OBJECT):
* lrecord.h (DECLARE_MODULE_API_LISP_OBJECT):
* lrecord.h (DECLARE_MODULE_LISP_OBJECT):
* lstream.c:
* lstream.c (syms_of_lstream):
* lstream.c (vars_of_lstream):
* marker.c:
* marker.c (compute_buffer_marker_usage):
* mc-alloc.c (mc_alloced_storage_size):
* mc-alloc.h:
* mule-charset.c:
* mule-charset.c (struct charset_stats):
* mule-charset.c (compute_charset_usage):
* mule-charset.c (charset_memory_usage):
* mule-charset.c (mule_charset_objects_create):
* mule-charset.c (syms_of_mule_charset):
* mule-charset.c (vars_of_mule_charset):
* redisplay.c:
* redisplay.c (compute_rune_dynarr_usage):
* redisplay.c (compute_display_block_dynarr_usage):
* redisplay.c (compute_glyph_block_dynarr_usage):
* redisplay.c (compute_display_line_dynarr_usage):
* redisplay.c (compute_line_start_cache_dynarr_usage):
* redisplay.h:
* scrollbar-gtk.c (gtk_compute_scrollbar_instance_usage):
* scrollbar-msw.c (mswindows_compute_scrollbar_instance_usage):
* scrollbar-x.c (x_compute_scrollbar_instance_usage):
* scrollbar.c (compute_scrollbar_instance_usage):
* scrollbar.h:
* symbols.c:
* symbols.c (reinit_symbol_objects_early):
* symbols.c (init_symbols_once_early):
* symbols.c (reinit_symbols_early):
* symbols.c (defsymbol_massage_name_1):
* symsinit.h:
* ui-gtk.c:
* ui-gtk.c (emacs_gtk_object_getprop):
* ui-gtk.c (emacs_gtk_object_putprop):
* ui-gtk.c (ui_gtk_objects_create):
* unicode.c (compute_from_unicode_table_size_1):
* unicode.c (compute_to_unicode_table_size_1):
* unicode.c (compute_from_unicode_table_size):
* unicode.c (compute_to_unicode_table_size):
* window.c:
* window.c (struct window_stats):
* window.c (compute_window_mirror_usage):
* window.c (compute_window_usage):
* window.c (window_memory_usage):
* window.c (window_objects_create):
* window.c (syms_of_window):
* window.c (vars_of_window):
* window.h:
Redo memory-usage mechanism, make it general; add way of dynamically
initializing Lisp object types -- OBJECT_HAS_METHOD(), similar to
CONSOLE_HAS_METHOD().
(1) Create OBJECT_HAS_METHOD(), OBJECT_HAS_PROPERTY() etc. for
specifying that a Lisp object type has a particular method or
property. Call such methods with OBJECT_METH, MAYBE_OBJECT_METH,
OBJECT_METH_OR_GIVEN; retrieve properties with OBJECT_PROPERTY.
Methods that formerly required a DEFINE_*GENERAL_LISP_OBJECT() to
specify them (getprop, putprop, remprop, plist, disksave) now
instead use the dynamic-method mechanism. The main benefit of
this is that new methods or properties can be added without
requiring that the declaration statements of all existing methods
be modified. We have to make the `struct lrecord_implementation'
non-const, but I don't think this should have any effect on speed --
the only possible method that's really speed-critical is the
mark method, and we already extract those out into a separate
(non-const) array for increased cache locality.
Object methods need to be reinitialized after pdump, so we put
them in separate functions such as face_objects_create(),
extent_objects_create() and call them appropriately from emacs.c
The only current object property (`memusage_stats_list') that
objects can specify is a Lisp object and gets staticpro()ed so it
only needs to be set during dump time, but because it references
symbols that might not exist in a syms_of_() function, we
initialize it in vars_of_(). There is also an object property
(`num_extra_memusage_stats') that is automatically initialized based
on `memusage_stats_list'; we do that in reinit_vars_of_alloc(),
which is called after all vars_of_() functions are called.
`disksaver' method was renamed `disksave' to correspond with the
name normally given to the function (e.g. disksave_lstream()).
(2) Generalize the memory-usage mechanism in `buffer-memory-usage',
`window-memory-usage', `charset-memory-usage' into an object-type-
specific mechanism called by a single function
`object-memory-usage'. (Former function `object-memory-usage'
renamed to `total-object-memory-usage'). Generalize the mechanism
of different "slices" so that we can have different "classes" of
memory described and different "slices" onto each class; `t'
separates classes, `nil' separates slices. Currently we have
three classes defined: the memory of an object itself,
non-Lisp-object memory associated with the object (e.g. arrays or
dynarrs stored as fields in the object), and Lisp-object memory
associated with the object (other internal Lisp objects stored in
the object). This isn't completely finished yet and we might need
to further separate the "other internal Lisp objects" class into
two classes.
The memory-usage mechanism uses a `struct usage_stats' (renamed
from `struct overhead_stats') to describe a malloc-view onto a set
of allocated memory (listing how much was requested and various
types of overhead) and a more general `struct generic_usage_stats'
(with a `struct usage_stats' in it) to hold all statistics about
object memory. `struct generic_usage_stats' contains an array of
32 Bytecounts, which are statistics of unspecified semantics. The
intention is that individual types declare a corresponding struct
(e.g. `struct window_stats') with the same structure but with
specific fields in place of the array, corresponding to specific
statistics. The number of such statistics is an object property
computed from the list of tags (Lisp symbols describing the
statistics) stored in `memusage_stats_list'. The idea here is to
allow particular object types to customize the number and
semantics of the statistics where completely avoiding consing.
This doesn't matter so much yet, but the intention is to have the
memory usage of all objects computed at the end of GC, at the same
time as other statistics are currently computed. The values for
all statistics for a single type would be added up to compute
aggregate values for all objects of a specific type. To make this
efficient, we can't allow any memory allocation at all.
(3) Create some additional functions for creating lists that
specify the elements directly as args rather than indirectly through
an array: listn() (number of args given), listu() (list terminated
by Qunbound).
(4) Delete a bit of remaining unused C window_config stuff, also
unused lrecord_type_popup_data.
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Thu, 18 Mar 2010 10:50:06 -0500 |
| parents | 74a5eaa67982 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 ;;; buffer.el --- buffer routines taken from C |
| 2 | |
| 3 ;; Copyright (C) 1985-1989, 1992-1995, 1997 Free Software Foundation, Inc. | |
| 4 ;; Copyright (C) 1995 Sun Microsystems. | |
| 5 ;; Copyright (C) 1995, 1996 Ben Wing. | |
| 6 | |
| 7 ;; Maintainer: XEmacs Development Team | |
| 8 ;; Keywords: internal, dumped | |
| 9 | |
| 10 ;; This file is part of XEmacs. | |
| 11 | |
| 12 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 13 ;; under the terms of the GNU General Public License as published by | |
| 14 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 15 ;; any later version. | |
| 16 | |
| 17 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 ;; General Public License for more details. | |
| 21 | |
| 22 ;; You should have received a copy of the GNU General Public License | |
| 23 ;; along with XEmacs; see the file COPYING. If not, write to the | |
| 24 ;; Free Software Foundation, 59 Temple Place - Suite 330, | |
| 25 ;; Boston, MA 02111-1307, USA. | |
| 26 | |
| 27 ;;; Synched up with: FSF 19.30 buffer.c. | |
| 28 | |
| 29 ;;; Commentary: | |
| 30 | |
| 31 ;; This file is dumped with XEmacs. | |
| 32 | |
| 33 ;;; Code: | |
| 34 | |
| 35 (defun switch-to-buffer (bufname &optional norecord) | |
| 36 "Select buffer BUFNAME in the current window. | |
| 37 BUFNAME may be a buffer or a buffer name and is created if it did not exist. | |
| 38 Optional second arg NORECORD non-nil means do not put this buffer at the | |
| 39 front of the list of recently selected ones. | |
| 40 | |
| 41 WARNING: This is NOT the way to work on another buffer temporarily | |
| 42 within a Lisp program! Use `set-buffer' instead. That avoids messing with | |
| 43 the window-buffer correspondences." | |
|
4734
74a5eaa67982
Make switch-to-buffer completion avoid current buffer.
Didier Verna <didier@xemacs.org>
parents:
2590
diff
changeset
|
44 (interactive |
|
74a5eaa67982
Make switch-to-buffer completion avoid current buffer.
Didier Verna <didier@xemacs.org>
parents:
2590
diff
changeset
|
45 (list (read-buffer "Switch to buffer: " |
|
74a5eaa67982
Make switch-to-buffer completion avoid current buffer.
Didier Verna <didier@xemacs.org>
parents:
2590
diff
changeset
|
46 (other-buffer (current-buffer)) |
|
74a5eaa67982
Make switch-to-buffer completion avoid current buffer.
Didier Verna <didier@xemacs.org>
parents:
2590
diff
changeset
|
47 nil |
|
74a5eaa67982
Make switch-to-buffer completion avoid current buffer.
Didier Verna <didier@xemacs.org>
parents:
2590
diff
changeset
|
48 (current-buffer)))) |
| 428 | 49 ;; #ifdef I18N3 |
| 50 ;; #### Doc string should indicate that the buffer name will get | |
| 51 ;; translated. | |
| 52 ;; #endif | |
| 53 (if (eq (minibuffer-window) (selected-window)) | |
| 54 (error "Cannot switch buffers in minibuffer window")) | |
| 55 (if (window-dedicated-p (selected-window)) | |
| 56 (error "Cannot switch buffers in a dedicated window")) | |
| 57 (let (buf) | |
| 58 (if (null bufname) | |
| 59 (setq buf (other-buffer (current-buffer))) | |
| 60 (setq buf (get-buffer bufname)) | |
| 61 (if (null buf) | |
| 62 (progn | |
| 63 (setq buf (get-buffer-create bufname)) | |
| 64 (set-buffer-major-mode buf)))) | |
| 65 (push-window-configuration) | |
| 66 (set-buffer buf) | |
| 442 | 67 (set-window-buffer (last-nonminibuf-window) buf norecord) |
| 428 | 68 buf)) |
| 69 | |
| 70 (defun pop-to-buffer (bufname &optional not-this-window-p on-frame) | |
| 71 "Select buffer BUFNAME in some window, preferably a different one. | |
| 72 If BUFNAME is nil, then some other buffer is chosen. | |
| 73 If `pop-up-windows' is non-nil, windows can be split to do this. | |
| 74 If optional second arg NOT-THIS-WINDOW-P is non-nil, insist on finding | |
| 75 another window even if BUFNAME is already visible in the selected window. | |
| 76 If optional third arg is non-nil, it is the frame to pop to this | |
| 77 buffer on. | |
| 2590 | 78 If `focus-follows-mouse' is non-nil, keyboard focus is left unchanged. |
| 79 | |
| 80 Buffers with names that are members of the `same-window-buffer-names' | |
| 81 list, or that match an element of the `same-window-regexps' list are | |
| 82 treated specially by this function--they are always selected in the | |
| 83 same window rather than in a different one." | |
| 428 | 84 ;; #ifdef I18N3 |
| 85 ;; #### Doc string should indicate that the buffer name will get | |
| 86 ;; translated. | |
| 87 ;; #endif | |
| 88 ;; This is twisted. It is evil to throw the keyboard focus around | |
| 89 ;; willy-nilly if the user wants focus-follows-mouse. | |
| 90 (let ((oldbuf (current-buffer)) | |
| 91 buf window frame) | |
| 92 (if (null bufname) | |
| 93 (setq buf (other-buffer (current-buffer))) | |
| 94 (setq buf (get-buffer bufname)) | |
| 95 (if (null buf) | |
| 96 (progn | |
| 97 (setq buf (get-buffer-create bufname)) | |
| 98 (set-buffer-major-mode buf)))) | |
| 99 (push-window-configuration) | |
| 100 (set-buffer buf) | |
| 101 (setq window (display-buffer buf not-this-window-p on-frame)) | |
| 102 (setq frame (window-frame window)) | |
| 103 ;; if the display-buffer hook decided to show this buffer in another | |
| 104 ;; frame, then select that frame, (unless obeying focus-follows-mouse -sb). | |
| 105 (if (and (not focus-follows-mouse) | |
| 106 (not (eq frame (selected-frame)))) | |
| 107 (select-frame frame)) | |
| 108 (record-buffer buf) | |
| 109 (if (and focus-follows-mouse | |
| 110 on-frame | |
| 111 (not (eq on-frame (selected-frame)))) | |
| 112 (set-buffer oldbuf) | |
| 113 ;; select-window will modify the internal keyboard focus of XEmacs | |
| 114 (select-window window)) | |
| 115 buf)) | |
| 116 | |
| 117 ;;; buffer.el ends here |