Mercurial > hg > xemacs-beta
annotate lisp/loadup.el @ 5939:96fb76dd98df cygwin
fix bad interaction with Cygwin 3.3
| author | Henry Thompson <ht@markup.co.uk> |
|---|---|
| date | Wed, 08 Dec 2021 18:49:22 +0000 |
| parents | 10f179710250 |
| children |
| rev | line source |
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| 428 | 1 ;; loadup.el --- load up standardly loaded Lisp files for XEmacs. |
| 2 | |
| 3 ;; Copyright (C) 1985, 1986, 1992, 1994, 1997 Free Software Foundation, Inc. | |
| 4 ;; Copyright (C) 1996 Richard Mlynarik. | |
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5 ;; Copyright (C) 1995, 1996, 2003, 2005 Ben Wing. |
| 428 | 6 |
| 7 ;; Maintainer: XEmacs Development Team | |
| 8 ;; Keywords: internal, dumped | |
| 9 | |
| 10 ;; This file is part of XEmacs. | |
| 11 | |
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12 ;; XEmacs is free software: you can redistribute it and/or modify it |
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13 ;; under the terms of the GNU General Public License as published by the |
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14 ;; Free Software Foundation, either version 3 of the License, or (at your |
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15 ;; option) any later version. |
| 428 | 16 |
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17 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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18 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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19 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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20 ;; for more details. |
| 428 | 21 |
| 22 ;; You should have received a copy of the GNU General Public License | |
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23 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 428 | 24 |
| 25 ;;; Synched up with: Last synched with FSF 19.30, with wild divergence since. | |
| 26 | |
| 27 ;;; Commentary: | |
| 28 | |
| 1261 | 29 ;; If you are wanting to add files to be dumped into your local version of |
| 30 ;; XEmacs, DO NOT add them here. Use site-init.el or site-load.el instead. | |
| 428 | 31 |
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32 ;; ***Note the docstrings for the variables in this file. They follow the |
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33 ;; conventions described in lib-src/make-docfile.c, and any new variables or |
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34 ;; functions added to this file should follow those conventions too, since |
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35 ;; this file is always loaded uncompiled, and the byte-compiler never gets a |
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36 ;; chance to format the docstrings in the way make-docfile.c understands. |
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37 |
| 428 | 38 ;; This is loaded into a bare XEmacs to make a dumpable one. |
| 39 | |
| 40 ;;; Code: | |
| 41 | |
| 1261 | 42 ;; Help debug problems. |
| 43 (setq stack-trace-on-error t | |
| 44 load-always-display-messages t) | |
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45 (when (featurep 'debug-xemacs) |
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46 ;; Immediately dump core upon an unhandled error, rather than just quitting |
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47 ;; the program. This can also be achieved by setting an environment variable |
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48 ;; XEMACSDEBUG to contain '(setq debug-on-error t)', e.g. |
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49 ;; export XEMACSDEBUG='(setq debug-on-error t)' |
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50 (setq debug-on-error t)) |
| 1261 | 51 |
| 1330 | 52 ;(princ (format "command-line-args: %s\n" command-line-args)) |
| 53 ;(princ (format "configure-lisp-directory: %S\n" configure-lisp-directory)) | |
| 54 ;(princ (format "configure-data-directory: %S\n" configure-data-directory)) | |
| 55 ;(princ (format "lisp-directory: %S\n" lisp-directory)) | |
| 56 | |
| 428 | 57 (when (fboundp 'error) |
| 58 (error "loadup.el already loaded!")) | |
| 59 | |
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60 (defconst running-xemacs t "\ |
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61 Non-nil when the current emacs is XEmacs.") |
| 3511 | 62 |
| 63 ;; Can't make this constant for now because it causes an error in | |
| 64 ;; update-elc.el. | |
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65 (defvar source-lisp (file-name-directory (expand-file-name (nth 2 command-line-args))) "\ |
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66 Root of tree containing the Lisp source code for the current build. |
| 3511 | 67 Differs from `lisp-directory' if this XEmacs has been installed. ") |
| 68 | |
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69 (defconst build-directory (expand-file-name ".." invocation-directory) "\ |
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70 Root of tree containing object files and executables produced by build. |
| 3511 | 71 Differs from `source-directory' if configured with --srcdir option, a practice |
| 72 recommended for developers.") | |
| 73 | |
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74 (defconst source-directory (expand-file-name ".." source-lisp) "\ |
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75 Root of tree containing source code for the current build. |
| 3511 | 76 Used during loadup and for documenting source of symbols defined in C.") |
| 77 | |
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78 (defvar preloaded-file-list nil "\ |
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79 List of Lisp files preloaded into the XEmacs binary image, |
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80 with the exception of `loadup.el'.") |
| 428 | 81 |
| 442 | 82 ;(start-profiling) |
| 83 | |
| 84 (let ((gc-cons-threshold | |
| 85 ;; setting it low makes loadup incredibly fucking slow. | |
| 86 ;; no need to do it when not dumping. | |
| 87 (if (and purify-flag | |
| 88 (not (memq 'quick-build internal-error-checking))) | |
| 89 30000 3000000))) | |
| 1261 | 90 |
| 91 ;; really-early-error-handler outputs a stack trace so let's not do it | |
| 92 ;; twice. | |
| 93 (let ((stack-trace-on-error nil)) | |
| 428 | 94 |
| 95 ;; This is awfully damn early to be getting an error, right? | |
| 96 (call-with-condition-handler 'really-early-error-handler | |
| 97 #'(lambda () | |
| 1330 | 98 (setq load-path (list source-lisp)) |
| 3511 | 99 (setq module-load-path (list |
| 100 (expand-file-name "modules" build-directory))) | |
| 428 | 101 |
| 102 ;; message not defined yet ... | |
| 103 (external-debugging-output (format "\nUsing load-path %s" load-path)) | |
| 104 (external-debugging-output (format "\nUsing module-load-path %s" | |
| 105 module-load-path)) | |
| 106 | |
| 107 ;; We don't want to have any undo records in the dumped XEmacs. | |
| 108 (buffer-disable-undo (get-buffer "*scratch*")) | |
| 109 | |
| 110 ;; lread.c (or src/Makefile.in.in) has prepended | |
| 111 ;; "${srcdir}/../lisp/" to load-path, which is how this file | |
| 112 ;; has been found. At this point, enough of XEmacs has been | |
| 113 ;; initialized that we can start dumping "standard" lisp. | |
| 114 ;; Dumped lisp from external packages is added when we search | |
| 115 ;; the package path. | |
| 116 ;; #### This code is duplicated in two other places. | |
| 117 (let ((temp-path (expand-file-name "." (car load-path)))) | |
| 118 (setq load-path (nconc (mapcar | |
| 119 #'(lambda (i) (concat i "/")) | |
| 120 (directory-files temp-path t "^[^-.]" | |
| 121 nil 'dirs-only)) | |
| 122 (cons (file-name-as-directory temp-path) | |
| 123 load-path)))) | |
| 124 | |
| 1261 | 125 (setq load-warn-when-source-only t) ; Set to nil at the end |
| 428 | 126 |
| 127 ;; garbage collect after loading every file in an attempt to | |
| 128 ;; minimize the size of the dumped image (if we don't do this, | |
| 129 ;; there will be lots of extra space in the data segment filled | |
| 130 ;; with garbage-collected junk) | |
| 131 (defun pureload (file) | |
| 132 (let ((full-path | |
| 133 (locate-file file load-path | |
| 134 (if load-ignore-elc-files | |
| 135 '(".el" "") '(".elc" ".el" ""))))) | |
| 136 (if full-path | |
| 137 (prog1 | |
| 138 (load full-path) | |
| 442 | 139 ;; but garbage collection really slows down loading. |
| 140 (unless (memq 'quick-build internal-error-checking) | |
| 141 (garbage-collect))) | |
| 428 | 142 (external-debugging-output (format "\nLoad file %s: not found\n" |
| 143 file)) | |
| 144 ;; Uncomment in case of trouble | |
| 2456 | 145 ;;(print (format "late-package-hierarchies: %S" late-package-hierarchies)) |
| 1227 | 146 ;;(print (format "guessed-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name #'paths-emacs-root-p))) |
| 147 ;;(print (format "guessed-data-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name #'paths-emacs-data-root-p))) | |
| 428 | 148 nil))) |
| 149 | |
| 1330 | 150 (load (expand-file-name "dumped-lisp.el" source-lisp)) |
| 428 | 151 |
| 152 (let ((files preloaded-file-list) | |
| 153 file) | |
| 154 (while (setq file (car files)) | |
| 155 (unless (pureload file) | |
| 156 (external-debugging-output "Fatal error during load, aborting") | |
| 157 (kill-emacs 1)) | |
| 158 (setq files (cdr files))) | |
| 159 (when (not (featurep 'toolbar)) | |
| 160 ;; else still define a few functions. | |
| 161 (defun toolbar-button-p (obj) "No toolbar support." nil) | |
| 162 (defun toolbar-specifier-p (obj) "No toolbar support." nil)) | |
| 163 (fmakunbound 'pureload)) | |
| 164 | |
| 165 (packages-load-package-dumped-lisps late-package-load-path) | |
| 166 | |
| 167 )) ;; end of call-with-condition-handler | |
| 1261 | 168 |
| 169 ) ; (let ((stack-trace-on-error nil))) | |
| 428 | 170 |
| 171 ;; Fix up the preloaded file list | |
| 172 (setq preloaded-file-list (mapcar #'file-name-sans-extension | |
| 173 preloaded-file-list)) | |
| 174 | |
| 1261 | 175 (setq load-warn-when-source-only nil) |
| 428 | 176 |
| 177 (setq debugger 'debug) | |
| 178 | |
| 179 (when (member "no-site-file" command-line-args) | |
| 180 (setq site-start-file nil)) | |
| 181 | |
| 182 ;; If you want additional libraries to be preloaded and their | |
| 183 ;; doc strings kept in the DOC file rather than in core, | |
| 184 ;; you may load them with a "site-load.el" file. | |
| 185 ;; But you must also cause them to be scanned when the DOC file | |
| 1261 | 186 ;; is generated. For MS Windows, you must edit ../nt/xemacs.mak. |
| 187 ;; For other systems, you must edit ../src/Makefile.in.in. | |
| 428 | 188 (when (load "site-load" t) |
| 442 | 189 (garbage-collect) |
| 190 ) | |
| 428 | 191 |
| 192 ;;FSFmacs randomness | |
| 193 ;;(if (fboundp 'x-popup-menu) | |
| 194 ;; (precompute-menubar-bindings)) | |
| 195 ;;; Turn on recording of which commands get rebound, | |
| 196 ;;; for the sake of the next call to precompute-menubar-bindings. | |
| 197 ;(setq define-key-rebound-commands nil) | |
| 198 | |
| 199 ;; Note: all compiled Lisp files loaded above this point | |
| 200 ;; must be among the ones parsed by make-docfile | |
| 201 ;; to construct DOC. Any that are not processed | |
| 202 ;; for DOC will not have doc strings in the dumped XEmacs. | |
| 203 | |
| 204 ;; Don't bother with these if we're running temacs, i.e. if we're | |
| 205 ;; just debugging don't waste time finding doc strings. | |
| 206 | |
| 207 ;; purify-flag is nil if called from loadup-el.el. | |
| 208 (when purify-flag | |
| 209 (message "Finding pointers to doc strings...") | |
| 210 (Snarf-documentation "DOC") | |
| 211 (message "Finding pointers to doc strings...done") | |
| 212 (Verify-documentation)) | |
| 213 | |
| 214 ;; Note: You can cause additional libraries to be preloaded | |
| 215 ;; by writing a site-init.el that loads them. | |
| 216 ;; See also "site-load" above. | |
| 217 (when (stringp site-start-file) | |
| 218 (load "site-init" t)) | |
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219 |
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220 ;; Add information from this file to the load history. Delete information |
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221 ;; that is available from DOC for those files in preloaded-file-list; in |
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222 ;; practice, this boils down to #'provide and #'require calls, and variables |
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223 ;; without documentation. Yes, this is a bit ugly. |
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224 (setq load-history (cons (nreverse current-load-list) |
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225 (delete* |
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226 nil |
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227 (mapc #'(lambda (element) |
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228 (delete* 'defun element :key #'car-safe) |
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229 (delete-if |
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230 #'(lambda (elt) |
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231 (and |
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232 (symbolp elt) |
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233 (get elt 'variable-documentation))) |
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234 element)) |
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235 load-history) |
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236 :key #'cdr)) |
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237 ;; Clear current-load-list; this (and adding information to |
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238 ;; load-history) is normally done in lread.c after reading the |
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239 ;; entirety of a file, something which never happens for loadup.el. |
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240 current-load-list nil) |
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241 ;; Make the path to this file look a little nicer: |
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242 (setcar (car load-history) (file-truename (caar load-history))) |
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243 |
| 428 | 244 (garbage-collect) |
| 245 | |
| 246 ;;; At this point, we're ready to resume undo recording for scratch. | |
| 247 (buffer-enable-undo "*scratch*") | |
| 248 | |
| 1261 | 249 ) ;; (let ((gc-cons-threshold [frequent garbage collection when dumping]))) |
| 428 | 250 |
| 442 | 251 ;(stop-profiling) |
| 252 | |
| 428 | 253 ;; Dump into the name `xemacs' (only) |
| 254 (when (member "dump" command-line-args) | |
| 255 (message "Dumping under the name xemacs") | |
| 256 ;; This is handled earlier in the build process. | |
| 257 ;; (condition-case () (delete-file "xemacs") (file-error nil)) | |
| 258 (when (fboundp 'really-free) | |
| 259 (really-free)) | |
| 1261 | 260 ;; Make sure we don't dump with debugging messages turned on. |
| 261 (setq stack-trace-on-error nil | |
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262 load-always-display-messages nil |
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263 debug-on-error nil) |
| 462 | 264 (dump-emacs |
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5228
5efbd1253905
Remove all support for InfoDock.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5206
diff
changeset
|
265 "xemacs" |
| 462 | 266 "temacs") |
| 428 | 267 (kill-emacs)) |
| 268 | |
| 269 ;; Avoid error if user loads some more libraries now. | |
| 270 (setq purify-flag nil) | |
| 271 | |
| 272 (when (member "run-temacs" command-line-args) | |
| 273 (message "\nBootstrapping from temacs...") | |
| 274 ;; Remove all args up to and including "run-temacs" | |
| 275 (apply #'run-emacs-from-temacs (cdr (member "run-temacs" command-line-args))) | |
| 276 ;; run-emacs-from-temacs doesn't actually return anyway. | |
| 277 (kill-emacs)) | |
| 278 | |
| 279 ;; XEmacs change | |
| 280 ;; If you are using 'recompile', then you should have used -l loadup-el.el | |
| 281 ;; so that the .el files always get loaded (the .elc files may be out-of- | |
| 282 ;; date or bad). | |
| 283 (when (member "recompile" command-line-args) | |
| 284 (setq command-line-args-left (cdr (member "recompile" command-line-args))) | |
| 285 (batch-byte-recompile-directory) | |
| 286 (kill-emacs)) | |
| 287 | |
| 288 ;; For machines with CANNOT_DUMP defined in config.h, | |
| 289 ;; this file must be loaded each time Emacs is run. | |
| 290 ;; So run the startup code now. | |
| 291 | |
| 292 (when (not (fboundp 'dump-emacs)) | |
| 293 ;; Avoid loading loadup.el a second time! | |
| 294 (setq command-line-args (cdr (cdr command-line-args))) | |
| 295 (eval top-level)) | |
| 296 | |
| 297 ;;; loadup.el ends here |