HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 3132f345 CW |
1 | ;;; calc-embed.el --- embed Calc in a buffer |
| 2 | ||
| af32d76e | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc. |
| 3132f345 CW |
4 | |
| 5 | ;; Author: David Gillespie <daveg@synaptics.com> | |
| a1506d29 | 6 | ;; Maintainers: D. Goel <deego@gnufans.org> |
| 6e1c888a | 7 | ;; Colin Walters <walters@debian.org> |
| 136211a9 EZ |
8 | |
| 9 | ;; This file is part of GNU Emacs. | |
| 10 | ||
| 11 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | ;; but WITHOUT ANY WARRANTY. No author or distributor | |
| 13 | ;; accepts responsibility to anyone for the consequences of using it | |
| 14 | ;; or for whether it serves any particular purpose or works at all, | |
| 15 | ;; unless he says so in writing. Refer to the GNU Emacs General Public | |
| 16 | ;; License for full details. | |
| 17 | ||
| 18 | ;; Everyone is granted permission to copy, modify and redistribute | |
| 19 | ;; GNU Emacs, but only under the conditions described in the | |
| 20 | ;; GNU Emacs General Public License. A copy of this license is | |
| 21 | ;; supposed to have been given to you along with GNU Emacs so you | |
| 22 | ;; can know your rights and responsibilities. It should be in a | |
| 23 | ;; file named COPYING. Among other things, the copyright notice | |
| 24 | ;; and this notice must be preserved on all copies. | |
| 25 | ||
| 3132f345 | 26 | ;;; Commentary: |
| 136211a9 | 27 | |
| 3132f345 | 28 | ;;; Code: |
| 136211a9 EZ |
29 | |
| 30 | ;; This file is autoloaded from calc-ext.el. | |
| 31 | (require 'calc-ext) | |
| 32 | ||
| 33 | (require 'calc-macs) | |
| 34 | ||
| 35 | (defun calc-Need-calc-embed () nil) | |
| 36 | ||
| 136211a9 EZ |
37 | (defun calc-show-plain (n) |
| 38 | (interactive "P") | |
| 39 | (calc-wrapper | |
| 40 | (calc-set-command-flag 'renum-stack) | |
| 41 | (message (if (calc-change-mode 'calc-show-plain n nil t) | |
| 3132f345 CW |
42 | "Including \"plain\" formulas in Calc Embedded mode" |
| 43 | "Omitting \"plain\" formulas in Calc Embedded mode")))) | |
| 136211a9 EZ |
44 | |
| 45 | ||
| 46 | (defvar calc-embedded-modes nil) | |
| 47 | (defvar calc-embedded-globals nil) | |
| 48 | (defvar calc-embedded-active nil) | |
| 3132f345 | 49 | (defvar calc-embedded-all-active nil) |
| 136211a9 | 50 | (make-variable-buffer-local 'calc-embedded-all-active) |
| 3132f345 | 51 | (defvar calc-embedded-some-active nil) |
| 136211a9 EZ |
52 | (make-variable-buffer-local 'calc-embedded-some-active) |
| 53 | ||
| 136211a9 EZ |
54 | (defvar calc-embedded-open-formula "\\`\\|^\n\\|\\$\\$?\\|\\\\\\[\\|^\\\\begin.*\n\\|^@.*\n\\|^\\.EQ.*\n\\|\\\\(\\|^%\n\\|^\\.\\\\\"\n" |
| 55 | "*A regular expression for the opening delimiter of a formula used by | |
| 56 | calc-embedded.") | |
| 57 | ||
| 58 | (defvar calc-embedded-close-formula "\\'\\|\n$\\|\\$\\$?\\|\\\\]\\|^\\\\end.*\n\\|^@.*\n\\|^\\.EN.*\n\\|\\\\)\\|\n%\n\\|^\\.\\\\\"\n" | |
| 59 | "*A regular expression for the closing delimiter of a formula used by | |
| 60 | calc-embedded.") | |
| 61 | ||
| 62 | (defvar calc-embedded-open-word "^\\|[^-+0-9.eE]" | |
| 63 | "*A regular expression for the opening delimiter of a formula used by | |
| 64 | calc-embedded-word.") | |
| 65 | ||
| 66 | (defvar calc-embedded-close-word "$\\|[^-+0-9.eE]" | |
| 67 | "*A regular expression for the closing delimiter of a formula used by | |
| 68 | calc-embedded-word.") | |
| 69 | ||
| 70 | (defvar calc-embedded-open-plain "%%% " | |
| 71 | "*A string which is the opening delimiter for a \"plain\" formula. | |
| 72 | If calc-show-plain mode is enabled, this is inserted at the front of | |
| 73 | each formula.") | |
| 74 | ||
| 75 | (defvar calc-embedded-close-plain " %%%\n" | |
| 76 | "*A string which is the closing delimiter for a \"plain\" formula. | |
| 77 | See calc-embedded-open-plain.") | |
| 78 | ||
| 79 | (defvar calc-embedded-open-new-formula "\n\n" | |
| 80 | "*A string which is inserted at front of formula by calc-embedded-new-formula.") | |
| 81 | ||
| 82 | (defvar calc-embedded-close-new-formula "\n\n" | |
| 83 | "*A string which is inserted at end of formula by calc-embedded-new-formula.") | |
| 84 | ||
| 85 | (defvar calc-embedded-announce-formula "%Embed\n\\(% .*\n\\)*" | |
| 86 | "*A regular expression which is sure to be followed by a calc-embedded formula." ) | |
| 87 | ||
| 88 | (defvar calc-embedded-open-mode "% " | |
| 89 | "*A string which should precede calc-embedded mode annotations. | |
| 90 | This is not required to be present for user-written mode annotations.") | |
| 91 | ||
| 92 | (defvar calc-embedded-close-mode "\n" | |
| 93 | "*A string which should follow calc-embedded mode annotations. | |
| 94 | This is not required to be present for user-written mode annotations.") | |
| 95 | ||
| 96 | ||
| 97 | (defconst calc-embedded-mode-vars '(("precision" . calc-internal-prec) | |
| 98 | ("word-size" . calc-word-size) | |
| 99 | ("angles" . calc-angle-mode) | |
| 100 | ("symbolic" . calc-symbolic-mode) | |
| 101 | ("matrix" . calc-matrix-mode) | |
| 102 | ("fractions" . calc-prefer-frac) | |
| 103 | ("complex" . calc-complex-mode) | |
| 104 | ("simplify" . calc-simplify-mode) | |
| 105 | ("language" . the-language) | |
| 106 | ("plain" . calc-show-plain) | |
| 107 | ("break" . calc-line-breaking) | |
| 108 | ("justify" . the-display-just) | |
| 109 | ("left-label" . calc-left-label) | |
| 110 | ("right-label" . calc-right-label) | |
| 111 | ("radix" . calc-number-radix) | |
| 112 | ("leading-zeros" . calc-leading-zeros) | |
| 113 | ("grouping" . calc-group-digits) | |
| 114 | ("group-char" . calc-group-char) | |
| 115 | ("point-char" . calc-point-char) | |
| 116 | ("frac-format" . calc-frac-format) | |
| 117 | ("float-format" . calc-float-format) | |
| 118 | ("complex-format" . calc-complex-format) | |
| 119 | ("hms-format" . calc-hms-format) | |
| 120 | ("date-format" . calc-date-format) | |
| 121 | ("matrix-justify" . calc-matrix-just) | |
| 122 | ("full-vectors" . calc-full-vectors) | |
| 123 | ("break-vectors" . calc-break-vectors) | |
| 124 | ("vector-commas" . calc-vector-commas) | |
| 125 | ("vector-brackets" . calc-vector-brackets) | |
| 126 | ("matrix-brackets" . calc-matrix-brackets) | |
| 127 | ("strings" . calc-display-strings) | |
| 128 | )) | |
| 129 | ||
| 130 | ||
| 131 | ;;; Format of calc-embedded-info vector: | |
| 132 | ;;; 0 Editing buffer. | |
| 133 | ;;; 1 Calculator buffer. | |
| 134 | ;;; 2 Top of current formula (marker). | |
| 135 | ;;; 3 Bottom of current formula (marker). | |
| 136 | ;;; 4 Top of current formula's delimiters (marker). | |
| 137 | ;;; 5 Bottom of current formula's delimiters (marker). | |
| 138 | ;;; 6 String representation of current formula. | |
| 139 | ;;; 7 Non-nil if formula is embedded within a single line. | |
| 140 | ;;; 8 Internal representation of current formula. | |
| 141 | ;;; 9 Variable assigned by this formula, or nil. | |
| 142 | ;;; 10 List of variables upon which this formula depends. | |
| 143 | ;;; 11 Evaluated value of the formula, or nil. | |
| 144 | ;;; 12 Mode settings for current formula. | |
| 145 | ;;; 13 Local mode settings for current formula. | |
| 146 | ;;; 14 Permanent mode settings for current formula. | |
| 147 | ;;; 15 Global mode settings for editing buffer. | |
| 148 | ||
| 149 | ||
| 150 | ;;; calc-embedded-active is an a-list keyed on buffers; each cdr is a | |
| 151 | ;;; sorted list of calc-embedded-infos in that buffer. We do this | |
| 152 | ;;; rather than using buffer-local variables because the latter are | |
| 153 | ;;; thrown away when a buffer changes major modes. | |
| 154 | ||
| 155 | ||
| 3132f345 | 156 | (defvar calc-embedded-quiet nil) |
| 136211a9 EZ |
157 | (defun calc-do-embedded (arg end obeg oend) |
| 158 | (if calc-embedded-info | |
| 159 | ||
| 160 | ;; Turn embedded mode off or switch to a new buffer. | |
| 161 | (cond ((eq (current-buffer) (aref calc-embedded-info 1)) | |
| 162 | (let ((calcbuf (current-buffer)) | |
| 163 | (buf (aref calc-embedded-info 0))) | |
| 164 | (calc-embedded-original-buffer t) | |
| 165 | (calc-embedded nil) | |
| 166 | (switch-to-buffer calcbuf))) | |
| 167 | ||
| 168 | ((eq (current-buffer) (aref calc-embedded-info 0)) | |
| 169 | (let* ((info calc-embedded-info) | |
| 170 | (mode calc-embedded-modes)) | |
| 171 | (save-excursion | |
| 172 | (set-buffer (aref info 1)) | |
| 173 | (if (and (> (calc-stack-size) 0) | |
| 174 | (equal (calc-top 1 'full) (aref info 8))) | |
| 175 | (let ((calc-no-refresh-evaltos t)) | |
| 176 | (if (calc-top 1 'sel) | |
| 177 | (calc-unselect 1)) | |
| 178 | (calc-embedded-set-modes | |
| 179 | (aref info 15) (aref info 12) (aref info 14)) | |
| 180 | (let ((calc-embedded-info nil)) | |
| 181 | (calc-wrapper (calc-pop-stack)))) | |
| 182 | (calc-set-mode-line))) | |
| 183 | (setq calc-embedded-info nil | |
| 184 | mode-line-buffer-identification (car mode) | |
| 185 | truncate-lines (nth 2 mode) | |
| 186 | buffer-read-only nil) | |
| 187 | (use-local-map (nth 1 mode)) | |
| 188 | (set-buffer-modified-p (buffer-modified-p)) | |
| 189 | (or calc-embedded-quiet | |
| 3132f345 | 190 | (message "Back to %s mode" mode-name)))) |
| 136211a9 EZ |
191 | |
| 192 | (t | |
| 193 | (if (buffer-name (aref calc-embedded-info 0)) | |
| 194 | (save-excursion | |
| 195 | (set-buffer (aref calc-embedded-info 0)) | |
| af32d76e EZ |
196 | (or (y-or-n-p (format "Cancel Calc Embedded mode in buffer %s? " |
| 197 | (buffer-name))) | |
| 136211a9 EZ |
198 | (keyboard-quit)) |
| 199 | (calc-embedded nil))) | |
| 200 | (calc-embedded arg end obeg oend))) | |
| 201 | ||
| 202 | ;; Turn embedded mode on. | |
| 203 | (calc-plain-buffer-only) | |
| 204 | (let ((modes (list mode-line-buffer-identification | |
| 205 | (current-local-map) | |
| 206 | truncate-lines)) | |
| 207 | top bot outer-top outer-bot | |
| 208 | info chg ident) | |
| 209 | (barf-if-buffer-read-only) | |
| 210 | (or calc-embedded-globals | |
| 211 | (calc-find-globals)) | |
| 212 | (setq info (calc-embedded-make-info (point) nil t arg end obeg oend)) | |
| 213 | (if (eq (car-safe (aref info 8)) 'error) | |
| 214 | (progn | |
| 215 | (goto-char (nth 1 (aref info 8))) | |
| 216 | (error (nth 2 (aref info 8))))) | |
| 217 | (let ((mode-line-buffer-identification mode-line-buffer-identification) | |
| 218 | (calc-embedded-info info) | |
| 219 | (calc-embedded-no-reselect t)) | |
| 220 | (calc-wrapper | |
| 221 | (let* ((okay nil) | |
| 222 | (calc-no-refresh-evaltos t)) | |
| 223 | (setq chg (calc-embedded-set-modes | |
| 224 | (aref info 15) (aref info 12) (aref info 13))) | |
| 225 | (if (aref info 8) | |
| 226 | (calc-push (calc-normalize (aref info 8))) | |
| 227 | (calc-alg-entry))) | |
| 228 | (setq calc-undo-list nil | |
| 229 | calc-redo-list nil | |
| 230 | ident mode-line-buffer-identification))) | |
| 231 | (setq calc-embedded-info info | |
| 232 | calc-embedded-modes modes | |
| 233 | mode-line-buffer-identification ident | |
| 234 | truncate-lines t | |
| 235 | buffer-read-only t) | |
| 236 | (set-buffer-modified-p (buffer-modified-p)) | |
| 237 | (use-local-map calc-mode-map) | |
| 238 | (setq calc-no-refresh-evaltos nil) | |
| 239 | (and chg calc-any-evaltos (calc-wrapper (calc-refresh-evaltos))) | |
| 240 | (or (eq calc-embedded-quiet t) | |
| 3132f345 | 241 | (message "Embedded Calc mode enabled; %s to return to normal" |
| 136211a9 EZ |
242 | (if calc-embedded-quiet |
| 243 | "Type `M-# x'" | |
| 244 | "Give this command again"))))) | |
| bf77c646 | 245 | (scroll-down 0)) ; fix a bug which occurs when truncate-lines is changed. |
| 136211a9 EZ |
246 | |
| 247 | ||
| 248 | (defun calc-embedded-select (arg) | |
| 249 | (interactive "P") | |
| 250 | (calc-embedded arg) | |
| 251 | (and calc-embedded-info | |
| 252 | (eq (car-safe (aref calc-embedded-info 8)) 'calcFunc-evalto) | |
| 253 | (calc-select-part 1)) | |
| 254 | (and calc-embedded-info | |
| 255 | (or (eq (car-safe (aref calc-embedded-info 8)) 'calcFunc-assign) | |
| 256 | (and (eq (car-safe (aref calc-embedded-info 8)) 'calcFunc-evalto) | |
| 257 | (eq (car-safe (nth 1 (aref calc-embedded-info 8))) | |
| 258 | 'calcFunc-assign))) | |
| bf77c646 | 259 | (calc-select-part 2))) |
| 136211a9 EZ |
260 | |
| 261 | ||
| 262 | (defun calc-embedded-update-formula (arg) | |
| 263 | (interactive "P") | |
| 264 | (if arg | |
| 265 | (let ((entry (assq (current-buffer) calc-embedded-active))) | |
| 266 | (while (setq entry (cdr entry)) | |
| 267 | (and (eq (car-safe (aref (car entry) 8)) 'calcFunc-evalto) | |
| 268 | (or (not (consp arg)) | |
| 269 | (and (<= (aref (car entry) 2) (region-beginning)) | |
| 270 | (>= (aref (car entry) 3) (region-end)))) | |
| 271 | (save-excursion | |
| 272 | (calc-embedded-update (car entry) 14 t t))))) | |
| 273 | (if (and calc-embedded-info | |
| 274 | (eq (current-buffer) (aref calc-embedded-info 0)) | |
| 275 | (>= (point) (aref calc-embedded-info 4)) | |
| 276 | (<= (point) (aref calc-embedded-info 5))) | |
| 277 | (calc-evaluate 1) | |
| 278 | (let* ((opt (point)) | |
| 279 | (info (calc-embedded-make-info (point) nil t)) | |
| 280 | (pt (- opt (aref info 4)))) | |
| 281 | (or (eq (car-safe (aref info 8)) 'error) | |
| 282 | (progn | |
| 283 | (save-excursion | |
| 284 | (calc-embedded-update info 14 'eval t)) | |
| bf77c646 | 285 | (goto-char (+ (aref info 4) pt)))))))) |
| 136211a9 EZ |
286 | |
| 287 | ||
| 288 | (defun calc-embedded-edit (arg) | |
| 289 | (interactive "P") | |
| 290 | (let ((info (calc-embedded-make-info (point) nil t arg)) | |
| 291 | str) | |
| 292 | (if (eq (car-safe (aref info 8)) 'error) | |
| 293 | (progn | |
| 294 | (goto-char (nth 1 (aref info 8))) | |
| 295 | (error (nth 2 (aref info 8))))) | |
| 296 | (calc-wrapper | |
| 297 | (setq str (math-showing-full-precision | |
| af32d76e | 298 | (math-format-nice-expr (aref info 8) (frame-width)))) |
| 136211a9 EZ |
299 | (calc-edit-mode (list 'calc-embedded-finish-edit info)) |
| 300 | (insert str "\n"))) | |
| bf77c646 | 301 | (calc-show-edit-buffer)) |
| 136211a9 EZ |
302 | |
| 303 | (defun calc-embedded-finish-edit (info) | |
| 304 | (let ((buf (current-buffer)) | |
| 305 | (str (buffer-substring (point) (point-max))) | |
| 306 | (start (point)) | |
| 307 | pos) | |
| 308 | (switch-to-buffer calc-original-buffer) | |
| 309 | (let ((val (save-excursion | |
| 310 | (set-buffer (aref info 1)) | |
| 311 | (let ((calc-language nil) | |
| 312 | (math-expr-opers math-standard-opers)) | |
| 313 | (math-read-expr str))))) | |
| 314 | (if (eq (car-safe val) 'error) | |
| 315 | (progn | |
| 316 | (switch-to-buffer buf) | |
| 317 | (goto-char (+ start (nth 1 val))) | |
| 318 | (error (nth 2 val)))) | |
| 319 | (calc-embedded-original-buffer t info) | |
| 320 | (aset info 8 val) | |
| bf77c646 | 321 | (calc-embedded-update info 14 t t)))) |
| 136211a9 EZ |
322 | |
| 323 | (defun calc-do-embedded-activate (arg cbuf) | |
| 324 | (calc-plain-buffer-only) | |
| 325 | (if arg | |
| 326 | (calc-embedded-forget)) | |
| 327 | (calc-find-globals) | |
| 328 | (if (< (prefix-numeric-value arg) 0) | |
| 3132f345 | 329 | (message "Deactivating %s for Calc Embedded mode" (buffer-name)) |
| 136211a9 EZ |
330 | (message "Activating %s for Calc Embedded mode..." (buffer-name)) |
| 331 | (save-excursion | |
| 332 | (let* ((active (assq (current-buffer) calc-embedded-active)) | |
| 333 | (info active) | |
| 334 | (pat " := \\| \\\\gets \\| => \\| \\\\evalto ")) | |
| 335 | (if calc-embedded-announce-formula | |
| 336 | (setq pat (format "%s\\|\\(%s\\)" | |
| 337 | pat calc-embedded-announce-formula))) | |
| 338 | (while (setq info (cdr info)) | |
| 339 | (or (equal (buffer-substring (aref (car info) 2) (aref (car info) 3)) | |
| 340 | (aref (car info) 6)) | |
| 341 | (setcdr active (delq (car info) (cdr active))))) | |
| 342 | (goto-char (point-min)) | |
| 343 | (while (re-search-forward pat nil t) | |
| 344 | (if (looking-at calc-embedded-open-formula) | |
| 345 | (goto-char (match-end 1))) | |
| 346 | (setq info (calc-embedded-make-info (point) cbuf nil)) | |
| 347 | (or (eq (car-safe (aref info 8)) 'error) | |
| 348 | (goto-char (aref info 5)))))) | |
| 349 | (message "Activating %s for Calc Embedded mode...done" (buffer-name))) | |
| bf77c646 | 350 | (calc-embedded-active-state t)) |
| 136211a9 EZ |
351 | |
| 352 | (defun calc-plain-buffer-only () | |
| 353 | (if (memq major-mode '(calc-mode calc-trail-mode calc-edit-mode)) | |
| bf77c646 | 354 | (error "This command should be used in a normal editing buffer"))) |
| 136211a9 EZ |
355 | |
| 356 | (defun calc-embedded-active-state (state) | |
| 357 | (or (assq 'calc-embedded-all-active minor-mode-alist) | |
| 358 | (setq minor-mode-alist | |
| 359 | (cons '(calc-embedded-all-active " Active") | |
| 360 | (cons '(calc-embedded-some-active " ~Active") | |
| 361 | minor-mode-alist)))) | |
| 362 | (let ((active (assq (current-buffer) calc-embedded-active))) | |
| 363 | (or (cdr active) | |
| 364 | (setq state nil))) | |
| 365 | (and (eq state 'more) calc-embedded-all-active (setq state t)) | |
| 366 | (setq calc-embedded-all-active (eq state t) | |
| 367 | calc-embedded-some-active (not (memq state '(nil t)))) | |
| bf77c646 | 368 | (set-buffer-modified-p (buffer-modified-p))) |
| 136211a9 EZ |
369 | |
| 370 | ||
| 371 | (defun calc-embedded-original-buffer (switch &optional info) | |
| 372 | (or info (setq info calc-embedded-info)) | |
| 373 | (or (buffer-name (aref info 0)) | |
| 374 | (progn | |
| 375 | (error "Calc embedded mode: Original buffer has been killed"))) | |
| 376 | (if switch | |
| bf77c646 | 377 | (set-buffer (aref info 0)))) |
| 136211a9 EZ |
378 | |
| 379 | (defun calc-embedded-word () | |
| 380 | (interactive) | |
| bf77c646 | 381 | (calc-embedded '(4))) |
| 136211a9 EZ |
382 | |
| 383 | (defun calc-embedded-mark-formula (&optional body-only) | |
| 384 | "Put point at the beginning of this Calc formula, mark at the end. | |
| 385 | This normally marks the whole formula, including surrounding delimiters. | |
| 386 | With any prefix argument, marks only the formula itself." | |
| 387 | (interactive "P") | |
| 388 | (and (eq major-mode 'calc-mode) | |
| 389 | (error "This command should be used in a normal editing buffer")) | |
| 390 | (let (top bot outer-top outer-bot) | |
| 391 | (save-excursion | |
| 392 | (calc-embedded-find-bounds body-only)) | |
| 393 | (push-mark (if body-only bot outer-bot) t) | |
| bf77c646 | 394 | (goto-char (if body-only top outer-top)))) |
| 136211a9 EZ |
395 | |
| 396 | (defun calc-embedded-find-bounds (&optional plain) | |
| 397 | ;; (while (and (bolp) (eq (following-char) ?\n)) | |
| 398 | ;; (forward-char 1)) | |
| 399 | (and (eolp) (bolp) (not (eq (char-after (- (point) 2)) ?\n)) | |
| 400 | (forward-char -1)) | |
| 401 | (let ((home (point))) | |
| 402 | (or (and (looking-at calc-embedded-open-formula) | |
| 403 | (not (looking-at calc-embedded-close-formula))) | |
| 404 | (re-search-backward calc-embedded-open-formula nil t) | |
| 405 | (error "Can't find start of formula")) | |
| 406 | (and (eq (preceding-char) ?\$) ; backward search for \$\$? won't back | |
| 407 | (eq (following-char) ?\$) ; up over a second $, so do it by hand. | |
| 408 | (forward-char -1)) | |
| 409 | (setq outer-top (point)) | |
| 410 | (goto-char (match-end 0)) | |
| 411 | (if (eq (following-char) ?\n) | |
| 412 | (forward-char 1)) | |
| 413 | (or (bolp) | |
| 414 | (while (eq (following-char) ?\ ) | |
| 415 | (forward-char 1))) | |
| 416 | (or (eq plain 'plain) | |
| 417 | (if (looking-at (regexp-quote calc-embedded-open-plain)) | |
| 418 | (progn | |
| 419 | (goto-char (match-end 0)) | |
| 420 | (search-forward calc-embedded-close-plain)))) | |
| 421 | (setq top (point)) | |
| 422 | (or (re-search-forward calc-embedded-close-formula nil t) | |
| 423 | (error "Can't find end of formula")) | |
| 424 | (if (< (point) home) | |
| 425 | (error "Not inside a formula")) | |
| 426 | (and (eq (following-char) ?\n) (not (bolp)) | |
| 427 | (forward-char 1)) | |
| 428 | (setq outer-bot (point)) | |
| 429 | (goto-char (match-beginning 0)) | |
| 430 | (if (eq (preceding-char) ?\n) | |
| 431 | (backward-char 1)) | |
| 432 | (or (eolp) | |
| 433 | (while (eq (preceding-char) ?\ ) | |
| 434 | (backward-char 1))) | |
| bf77c646 | 435 | (setq bot (point)))) |
| 136211a9 EZ |
436 | |
| 437 | (defun calc-embedded-kill-formula () | |
| 438 | "Kill the formula surrounding point. | |
| 439 | If Calc Embedded mode was active, this deactivates it. | |
| 440 | The formula (including its surrounding delimiters) is saved in the kill ring. | |
| 441 | The command \\[yank] can retrieve it from there." | |
| 442 | (interactive) | |
| 443 | (and calc-embedded-info | |
| 444 | (calc-embedded nil)) | |
| 445 | (calc-embedded-mark-formula) | |
| 446 | (kill-region (point) (mark)) | |
| bf77c646 | 447 | (pop-mark)) |
| 136211a9 EZ |
448 | |
| 449 | (defun calc-embedded-copy-formula-as-kill () | |
| 450 | "Save the formula surrounding point as if killed, but don't kill it." | |
| 451 | (interactive) | |
| 452 | (save-excursion | |
| 453 | (calc-embedded-mark-formula) | |
| 454 | (copy-region-as-kill (point) (mark)) | |
| bf77c646 | 455 | (pop-mark))) |
| 136211a9 EZ |
456 | |
| 457 | (defun calc-embedded-duplicate () | |
| 458 | (interactive) | |
| 459 | (let ((already calc-embedded-info) | |
| 460 | top bot outer-top outer-bot new-top) | |
| 461 | (if calc-embedded-info | |
| 462 | (progn | |
| 463 | (setq top (+ (aref calc-embedded-info 2)) | |
| 464 | bot (+ (aref calc-embedded-info 3)) | |
| 465 | outer-top (+ (aref calc-embedded-info 4)) | |
| 466 | outer-bot (+ (aref calc-embedded-info 5))) | |
| 467 | (calc-embedded nil)) | |
| 468 | (calc-embedded-find-bounds)) | |
| 469 | (goto-char outer-bot) | |
| 470 | (insert "\n") | |
| 471 | (setq new-top (point)) | |
| 472 | (insert-buffer-substring (current-buffer) outer-top outer-bot) | |
| 473 | (goto-char (+ new-top (- top outer-top))) | |
| 474 | (let ((calc-embedded-quiet (if already t 'x))) | |
| 475 | (calc-embedded (+ new-top (- top outer-top)) | |
| 476 | (+ new-top (- bot outer-top)) | |
| 477 | new-top | |
| bf77c646 | 478 | (+ new-top (- outer-bot outer-top)))))) |
| 136211a9 EZ |
479 | |
| 480 | (defun calc-embedded-next (arg) | |
| 481 | (interactive "P") | |
| 482 | (setq arg (prefix-numeric-value arg)) | |
| 483 | (let* ((active (cdr (assq (current-buffer) calc-embedded-active))) | |
| 484 | (p active) | |
| 485 | (num (length active))) | |
| 486 | (or active | |
| 487 | (error "No active formulas in buffer")) | |
| 488 | (cond ((= arg 0)) | |
| 489 | ((= arg -1) | |
| 490 | (if (<= (point) (aref (car active) 3)) | |
| 491 | (goto-char (aref (nth (1- num) active) 2)) | |
| 492 | (while (and (cdr p) | |
| 493 | (> (point) (aref (nth 1 p) 3))) | |
| 494 | (setq p (cdr p))) | |
| 495 | (goto-char (aref (car p) 2)))) | |
| 496 | ((< arg -1) | |
| 497 | (calc-embedded-next -1) | |
| 498 | (calc-embedded-next (+ (* num 1000) arg 1))) | |
| 499 | (t | |
| 500 | (setq arg (1+ (% (1- arg) num))) | |
| 501 | (while (and p (>= (point) (aref (car p) 2))) | |
| 502 | (setq p (cdr p))) | |
| 503 | (while (> (setq arg (1- arg)) 0) | |
| 504 | (setq p (if p (cdr p) (cdr active)))) | |
| bf77c646 | 505 | (goto-char (aref (car (or p active)) 2)))))) |
| 136211a9 EZ |
506 | |
| 507 | (defun calc-embedded-previous (arg) | |
| 508 | (interactive "p") | |
| bf77c646 | 509 | (calc-embedded-next (- (prefix-numeric-value arg)))) |
| 136211a9 EZ |
510 | |
| 511 | (defun calc-embedded-new-formula () | |
| 512 | (interactive) | |
| 513 | (and (eq major-mode 'calc-mode) | |
| 514 | (error "This command should be used in a normal editing buffer")) | |
| 515 | (if calc-embedded-info | |
| 516 | (calc-embedded nil)) | |
| 517 | (let (top bot outer-top outer-bot) | |
| 518 | (if (and (eq (preceding-char) ?\n) | |
| 519 | (string-match "\\`\n" calc-embedded-open-new-formula)) | |
| 520 | (progn | |
| 521 | (setq outer-top (1- (point))) | |
| 522 | (forward-char -1) | |
| 523 | (insert (substring calc-embedded-open-new-formula 1))) | |
| 524 | (setq outer-top (point)) | |
| 525 | (insert calc-embedded-open-new-formula)) | |
| 526 | (setq top (point)) | |
| 527 | (insert " ") | |
| 528 | (setq bot (point)) | |
| 529 | (insert calc-embedded-close-new-formula) | |
| 530 | (if (and (eq (following-char) ?\n) | |
| 531 | (string-match "\n\\'" calc-embedded-close-new-formula)) | |
| 532 | (delete-char 1)) | |
| 533 | (setq outer-bot (point)) | |
| 534 | (goto-char top) | |
| 535 | (let ((calc-embedded-quiet 'x)) | |
| bf77c646 | 536 | (calc-embedded top bot outer-top outer-bot)))) |
| 136211a9 EZ |
537 | |
| 538 | (defun calc-embedded-forget () | |
| 539 | (interactive) | |
| 540 | (setq calc-embedded-active (delq (assq (current-buffer) calc-embedded-active) | |
| 541 | calc-embedded-active)) | |
| bf77c646 | 542 | (calc-embedded-active-state nil)) |
| 136211a9 EZ |
543 | |
| 544 | ||
| 545 | (defun calc-embedded-set-modes (gmodes modes local-modes &optional temp) | |
| 546 | (let ((the-language (calc-embedded-language)) | |
| 547 | (the-display-just (calc-embedded-justify)) | |
| 548 | (v gmodes) | |
| 549 | (changed nil) | |
| 550 | found value) | |
| 551 | (while v | |
| 552 | (or (symbolp (car v)) | |
| 553 | (and (setq found (assq (car (car v)) modes)) | |
| 554 | (not (eq (cdr found) 'default))) | |
| 555 | (and (setq found (assq (car (car v)) local-modes)) | |
| 556 | (not (eq (cdr found) 'default))) | |
| 557 | (progn | |
| 558 | (if (eq (setq value (cdr (car v))) 'default) | |
| 559 | (setq value (cdr (assq (car (car v)) calc-mode-var-list)))) | |
| 560 | (equal (symbol-value (car (car v))) value)) | |
| 561 | (progn | |
| 562 | (setq changed t) | |
| 563 | (if temp (setq prev-modes (cons (cons (car (car v)) | |
| 564 | (symbol-value (car (car v)))) | |
| 565 | prev-modes))) | |
| 566 | (set (car (car v)) value))) | |
| 567 | (setq v (cdr v))) | |
| 568 | (setq v modes) | |
| 569 | (while v | |
| 570 | (or (and (setq found (assq (car (car v)) local-modes)) | |
| 571 | (not (eq (cdr found) 'default))) | |
| 572 | (eq (setq value (cdr (car v))) 'default) | |
| 573 | (equal (symbol-value (car (car v))) value) | |
| 574 | (progn | |
| 575 | (setq changed t) | |
| 576 | (if temp (setq prev-modes (cons (cons (car (car v)) | |
| 577 | (symbol-value (car (car v)))) | |
| 578 | prev-modes))) | |
| 579 | (set (car (car v)) value))) | |
| 580 | (setq v (cdr v))) | |
| 581 | (setq v local-modes) | |
| 582 | (while v | |
| 583 | (or (eq (setq value (cdr (car v))) 'default) | |
| 584 | (equal (symbol-value (car (car v))) value) | |
| 585 | (progn | |
| 586 | (setq changed t) | |
| 587 | (if temp (setq prev-modes (cons (cons (car (car v)) | |
| 588 | (symbol-value (car (car v)))) | |
| 589 | prev-modes))) | |
| 590 | (set (car (car v)) value))) | |
| 591 | (setq v (cdr v))) | |
| 592 | (and changed (not (eq temp t)) | |
| 593 | (progn | |
| 594 | (calc-embedded-set-justify the-display-just) | |
| 595 | (calc-embedded-set-language the-language))) | |
| 596 | (and changed (not temp) | |
| 597 | (progn | |
| 598 | (setq calc-full-float-format (list (if (eq (car calc-float-format) | |
| 599 | 'fix) | |
| 600 | 'float | |
| 601 | (car calc-float-format)) | |
| 602 | 0)) | |
| 603 | (calc-refresh))) | |
| bf77c646 | 604 | changed)) |
| 136211a9 EZ |
605 | |
| 606 | (defun calc-embedded-language () | |
| 607 | (if calc-language-option | |
| 608 | (list calc-language calc-language-option) | |
| bf77c646 | 609 | calc-language)) |
| 136211a9 EZ |
610 | |
| 611 | (defun calc-embedded-set-language (lang) | |
| 612 | (let ((option nil)) | |
| 613 | (if (consp lang) | |
| 614 | (setq option (nth 1 lang) | |
| 615 | lang (car lang))) | |
| 616 | (or (and (eq lang calc-language) | |
| 617 | (equal option calc-language-option)) | |
| bf77c646 | 618 | (calc-set-language lang option t)))) |
| 136211a9 EZ |
619 | |
| 620 | (defun calc-embedded-justify () | |
| 621 | (if calc-display-origin | |
| 622 | (list calc-display-just calc-display-origin) | |
| bf77c646 | 623 | calc-display-just)) |
| 136211a9 EZ |
624 | |
| 625 | (defun calc-embedded-set-justify (just) | |
| 626 | (if (consp just) | |
| 627 | (setq calc-display-origin (nth 1 just) | |
| 628 | calc-display-just (car just)) | |
| 629 | (setq calc-display-just just | |
| bf77c646 | 630 | calc-display-origin nil))) |
| 136211a9 EZ |
631 | |
| 632 | ||
| 633 | (defun calc-find-globals () | |
| 634 | (interactive) | |
| 635 | (and (eq major-mode 'calc-mode) | |
| 636 | (error "This command should be used in a normal editing buffer")) | |
| 637 | (make-local-variable 'calc-embedded-globals) | |
| 638 | (let ((case-fold-search nil) | |
| 639 | (modes nil) | |
| 640 | (save-pt (point)) | |
| 641 | found value) | |
| 642 | (goto-char (point-min)) | |
| 643 | (while (re-search-forward "\\[calc-global-mode: *\\([-a-z]+\\): *\\(\"\\([^\"\n\\]\\|\\\\.\\)*\"\\|[- ()a-zA-Z0-9]+\\)\\]" nil t) | |
| 644 | (and (setq found (assoc (buffer-substring (match-beginning 1) | |
| 645 | (match-end 1)) | |
| 646 | calc-embedded-mode-vars)) | |
| 647 | (or (assq (cdr found) modes) | |
| 648 | (setq modes (cons (cons (cdr found) | |
| 649 | (car (read-from-string | |
| 650 | (buffer-substring | |
| 651 | (match-beginning 2) | |
| 652 | (match-end 2))))) | |
| 653 | modes))))) | |
| 654 | (setq calc-embedded-globals (cons t modes)) | |
| bf77c646 | 655 | (goto-char save-pt))) |
| 136211a9 EZ |
656 | |
| 657 | (defun calc-embedded-find-modes () | |
| 658 | (let ((case-fold-search nil) | |
| 659 | (save-pt (point)) | |
| 660 | (no-defaults t) | |
| 661 | (modes nil) | |
| 662 | (emodes nil) | |
| 663 | (pmodes nil) | |
| 664 | found value) | |
| 665 | (while (and no-defaults (search-backward "[calc-" nil t)) | |
| 666 | (forward-char 6) | |
| 667 | (or (and (looking-at "mode: *\\([-a-z]+\\): *\\(\"\\([^\"\n\\]\\|\\\\.\\)*\"\\|[- ()a-zA-Z0-9]+\\)]") | |
| 668 | (setq found (assoc (buffer-substring (match-beginning 1) | |
| 669 | (match-end 1)) | |
| 670 | calc-embedded-mode-vars)) | |
| 671 | (or (assq (cdr found) modes) | |
| 672 | (setq modes (cons (cons (cdr found) | |
| 673 | (car (read-from-string | |
| 674 | (buffer-substring | |
| 675 | (match-beginning 2) | |
| 676 | (match-end 2))))) | |
| 677 | modes)))) | |
| 678 | (and (looking-at "perm-mode: *\\([-a-z]+\\): *\\(\"\\([^\"\n\\]\\|\\\\.\\)*\"\\|[- ()a-zA-Z0-9]+\\)]") | |
| 679 | (setq found (assoc (buffer-substring (match-beginning 1) | |
| 680 | (match-end 1)) | |
| 681 | calc-embedded-mode-vars)) | |
| 682 | (or (assq (cdr found) pmodes) | |
| 683 | (setq pmodes (cons (cons (cdr found) | |
| 684 | (car (read-from-string | |
| 685 | (buffer-substring | |
| 686 | (match-beginning 2) | |
| 687 | (match-end 2))))) | |
| 688 | pmodes)))) | |
| 689 | (and (looking-at "edit-mode: *\\([-a-z]+\\): *\\(\"\\([^\"\n\\]\\|\\\\.\\)*\"\\|[- ()a-zA-Z0-9]+\\)]") | |
| 690 | (setq found (assoc (buffer-substring (match-beginning 1) | |
| 691 | (match-end 1)) | |
| 692 | calc-embedded-mode-vars)) | |
| 693 | (or (assq (cdr found) emodes) | |
| 694 | (setq emodes (cons (cons (cdr found) | |
| 695 | (car (read-from-string | |
| 696 | (buffer-substring | |
| 697 | (match-beginning 2) | |
| 698 | (match-end 2))))) | |
| 699 | emodes)))) | |
| 700 | (and (looking-at "defaults]") | |
| 701 | (setq no-defaults nil))) | |
| 702 | (backward-char 6)) | |
| 703 | (goto-char save-pt) | |
| bf77c646 | 704 | (list modes emodes pmodes))) |
| 136211a9 EZ |
705 | |
| 706 | ||
| 707 | (defun calc-embedded-make-info (point cbuf fresh &optional | |
| 708 | top bot outer-top outer-bot) | |
| 709 | (let* ((bufentry (assq (current-buffer) calc-embedded-active)) | |
| 710 | (found bufentry) | |
| 711 | (force (and fresh top)) | |
| 712 | (fixed top) | |
| 713 | (new-info nil) | |
| 714 | info str) | |
| 715 | (or found | |
| 716 | (setq found (list (current-buffer)) | |
| 717 | calc-embedded-active (cons found calc-embedded-active))) | |
| 718 | (while (and (cdr found) | |
| 719 | (> point (aref (car (cdr found)) 3))) | |
| 720 | (setq found (cdr found))) | |
| 721 | (if (and (cdr found) | |
| 722 | (>= point (aref (nth 1 found) 2))) | |
| 723 | (setq info (nth 1 found)) | |
| 724 | (setq info (make-vector 16 nil) | |
| 725 | new-info t | |
| 726 | fresh t) | |
| 727 | (aset info 0 (current-buffer)) | |
| 728 | (aset info 1 (or cbuf (save-excursion | |
| 729 | (calc-create-buffer) | |
| 730 | (current-buffer))))) | |
| 731 | (if (and (integerp top) (not bot)) ; started with a user-supplied argument | |
| 732 | (progn | |
| 733 | (if (= (setq arg (prefix-numeric-value arg)) 0) | |
| 734 | (progn | |
| 735 | (aset info 2 (copy-marker (region-beginning))) | |
| 736 | (aset info 3 (copy-marker (region-end)))) | |
| 737 | (aset info (if (> arg 0) 2 3) (point-marker)) | |
| 738 | (forward-line arg) | |
| 739 | (aset info (if (> arg 0) 3 2) (point-marker))) | |
| 740 | (aset info 4 (copy-marker (aref info 2))) | |
| 741 | (aset info 5 (copy-marker (aref info 3)))) | |
| 742 | (if (aref info 4) | |
| 743 | (setq top (aref info 2) | |
| 744 | fixed top) | |
| 745 | (if (consp top) | |
| 746 | (let ((calc-embedded-open-formula calc-embedded-open-word) | |
| 747 | (calc-embedded-close-formula calc-embedded-close-word)) | |
| 748 | (calc-embedded-find-bounds 'plain)) | |
| 749 | (or top | |
| 750 | (calc-embedded-find-bounds 'plain))) | |
| 751 | (aset info 2 (copy-marker (min top bot))) | |
| 752 | (aset info 3 (copy-marker (max top bot))) | |
| 753 | (aset info 4 (copy-marker (or outer-top (aref info 2)))) | |
| 754 | (aset info 5 (copy-marker (or outer-bot (aref info 3)))))) | |
| 755 | (goto-char (aref info 2)) | |
| 756 | (if new-info | |
| 757 | (progn | |
| 758 | (or (bolp) (aset info 7 t)) | |
| 759 | (goto-char (aref info 3)) | |
| 760 | (or (bolp) (eolp) (aset info 7 t)))) | |
| 761 | (if fresh | |
| 762 | (let ((modes (calc-embedded-find-modes))) | |
| 763 | (aset info 12 (car modes)) | |
| 764 | (aset info 13 (nth 1 modes)) | |
| 765 | (aset info 14 (nth 2 modes)))) | |
| 766 | (aset info 15 calc-embedded-globals) | |
| 767 | (setq str (buffer-substring (aref info 2) (aref info 3))) | |
| 768 | (if (or force | |
| 769 | (not (equal str (aref info 6)))) | |
| 770 | (if (and fixed (aref info 6)) | |
| 771 | (progn | |
| 772 | (aset info 4 nil) | |
| 773 | (calc-embedded-make-info point cbuf nil) | |
| 774 | (setq new-info nil)) | |
| 775 | (let* ((open-plain calc-embedded-open-plain) | |
| 776 | (close-plain calc-embedded-close-plain) | |
| 777 | (pref-len (length open-plain)) | |
| 778 | (vars-used nil) | |
| 779 | suff-pos val temp) | |
| 780 | (save-excursion | |
| 781 | (set-buffer (aref info 1)) | |
| 782 | (calc-embedded-set-modes (aref info 15) | |
| 783 | (aref info 12) (aref info 14)) | |
| 784 | (if (and (> (length str) pref-len) | |
| 785 | (equal (substring str 0 pref-len) open-plain) | |
| 786 | (setq suff-pos (string-match (regexp-quote close-plain) | |
| 787 | str pref-len))) | |
| 788 | (setq val (math-read-plain-expr | |
| 789 | (substring str pref-len suff-pos))) | |
| 790 | (if (string-match "[^ \t\n]" str) | |
| 791 | (setq pref-len 0 | |
| 792 | val (math-read-big-expr str)) | |
| 793 | (setq val nil)))) | |
| 794 | (if (eq (car-safe val) 'error) | |
| 795 | (setq val (list 'error | |
| 796 | (+ (aref info 2) pref-len (nth 1 val)) | |
| 797 | (nth 2 val)))) | |
| 798 | (aset info 6 str) | |
| 799 | (aset info 8 val) | |
| 800 | (setq temp val) | |
| 801 | (if (eq (car-safe temp) 'calcFunc-evalto) | |
| 802 | (setq temp (nth 1 temp)) | |
| 803 | (if (eq (car-safe temp) 'error) | |
| 804 | (if new-info | |
| 805 | (setq new-info nil) | |
| 806 | (setcdr found (delq info (cdr found))) | |
| 807 | (calc-embedded-active-state 'less)))) | |
| 808 | (aset info 9 (and (eq (car-safe temp) 'calcFunc-assign) | |
| 809 | (nth 1 temp))) | |
| 810 | (if (memq (car-safe val) '(calcFunc-evalto calcFunc-assign)) | |
| 811 | (calc-embedded-find-vars val)) | |
| 812 | (aset info 10 vars-used) | |
| 813 | (aset info 11 nil)))) | |
| 814 | (if new-info | |
| 815 | (progn | |
| 816 | (setcdr found (cons info (cdr found))) | |
| 817 | (calc-embedded-active-state 'more))) | |
| bf77c646 | 818 | info)) |
| 136211a9 EZ |
819 | |
| 820 | (defun calc-embedded-find-vars (x) | |
| 821 | (cond ((Math-primp x) | |
| 822 | (and (eq (car-safe x) 'var) | |
| 823 | (not (assoc x vars-used)) | |
| 824 | (setq vars-used (cons (list x) vars-used)))) | |
| 825 | ((eq (car x) 'calcFunc-evalto) | |
| 826 | (calc-embedded-find-vars (nth 1 x))) | |
| 827 | ((eq (car x) 'calcFunc-assign) | |
| 828 | (calc-embedded-find-vars (nth 2 x))) | |
| 829 | (t | |
| 830 | (and (eq (car x) 'calcFunc-subscr) | |
| 831 | (eq (car-safe (nth 1 x)) 'var) | |
| 832 | (Math-primp (nth 2 x)) | |
| 833 | (not (assoc x vars-used)) | |
| 834 | (setq vars-used (cons (list x) vars-used))) | |
| 835 | (while (setq x (cdr x)) | |
| bf77c646 | 836 | (calc-embedded-find-vars (car x)))))) |
| 136211a9 EZ |
837 | |
| 838 | ||
| 839 | (defun calc-embedded-evaluate-expr (x) | |
| 840 | (let ((vars-used (aref calc-embedded-info 10))) | |
| 841 | (or vars-used (calc-embedded-find-vars x)) | |
| 842 | (if vars-used | |
| 843 | (let ((active (assq (aref calc-embedded-info 0) calc-embedded-active)) | |
| 844 | (args nil)) | |
| 845 | (save-excursion | |
| 846 | (calc-embedded-original-buffer t) | |
| 847 | (or active | |
| 848 | (progn | |
| 849 | (calc-embedded-activate) | |
| 850 | (setq active (assq (aref calc-embedded-info 0) | |
| 851 | calc-embedded-active)))) | |
| 852 | (while vars-used | |
| 853 | (calc-embedded-eval-get-var (car (car vars-used)) active) | |
| 854 | (setq vars-used (cdr vars-used)))) | |
| 855 | (calc-embedded-subst x)) | |
| bf77c646 | 856 | (calc-normalize (math-evaluate-expr-rec x))))) |
| 136211a9 EZ |
857 | |
| 858 | (defun calc-embedded-subst (x) | |
| 859 | (if (and (eq (car-safe x) 'calcFunc-evalto) (cdr x)) | |
| 860 | (let ((rhs (calc-embedded-subst (nth 1 x)))) | |
| 861 | (list 'calcFunc-evalto | |
| 862 | (nth 1 x) | |
| 863 | (if (eq (car-safe rhs) 'calcFunc-assign) (nth 2 rhs) rhs))) | |
| 864 | (if (and (eq (car-safe x) 'calcFunc-assign) (= (length x) 3)) | |
| 865 | (list 'calcFunc-assign | |
| 866 | (nth 1 x) | |
| 867 | (calc-embedded-subst (nth 2 x))) | |
| bf77c646 | 868 | (calc-normalize (math-evaluate-expr-rec (math-multi-subst-rec x)))))) |
| 136211a9 EZ |
869 | |
| 870 | (defun calc-embedded-eval-get-var (var base) | |
| 871 | (let ((entry base) | |
| 872 | (point (aref calc-embedded-info 2)) | |
| 873 | (last nil) | |
| 874 | val) | |
| 875 | (while (and (setq entry (cdr entry)) | |
| 876 | (or (not (equal var (aref (car entry) 9))) | |
| 877 | (and (> point (aref (car entry) 3)) | |
| 878 | (setq last entry))))) | |
| 879 | (if last | |
| 880 | (setq entry last)) | |
| 881 | (if entry | |
| 882 | (progn | |
| 883 | (setq entry (car entry)) | |
| 884 | (if (equal (buffer-substring (aref entry 2) (aref entry 3)) | |
| 885 | (aref entry 6)) | |
| 886 | (progn | |
| 887 | (or (aref entry 11) | |
| 888 | (save-excursion | |
| 889 | (calc-embedded-update entry 14 t nil))) | |
| 890 | (setq val (aref entry 11)) | |
| 891 | (if (eq (car-safe val) 'calcFunc-evalto) | |
| 892 | (setq val (nth 2 val))) | |
| 893 | (if (eq (car-safe val) 'calcFunc-assign) | |
| 894 | (setq val (nth 2 val))) | |
| 895 | (setq args (cons (cons var val) args))) | |
| 896 | (calc-embedded-activate) | |
| bf77c646 | 897 | (calc-embedded-eval-get-var var base)))))) |
| 136211a9 EZ |
898 | |
| 899 | ||
| 900 | (defun calc-embedded-update (info which need-eval need-display | |
| 901 | &optional str entry old-val) | |
| 902 | (let* ((prev-modes nil) | |
| 903 | (open-plain calc-embedded-open-plain) | |
| 904 | (close-plain calc-embedded-close-plain) | |
| 905 | (vars-used nil) | |
| 906 | (evalled nil) | |
| 907 | (val (aref info 8)) | |
| 908 | (old-eval (aref info 11))) | |
| 909 | (or old-val (setq old-val val)) | |
| 910 | (if (eq (car-safe val) 'calcFunc-evalto) | |
| 911 | (setq need-display t)) | |
| 912 | (unwind-protect | |
| 913 | (progn | |
| 914 | (set-buffer (aref info 1)) | |
| 915 | (and which | |
| 916 | (calc-embedded-set-modes (aref info 15) (aref info 12) | |
| 917 | (aref info which) | |
| 918 | (if need-display 'full t))) | |
| 919 | (if (memq (car-safe val) '(calcFunc-evalto calcFunc-assign)) | |
| 920 | (calc-embedded-find-vars val)) | |
| 921 | (if need-eval | |
| 922 | (let ((calc-embedded-info info)) | |
| 923 | (setq val (math-evaluate-expr val) | |
| 924 | evalled val))) | |
| 925 | (if (or (eq need-eval 'eval) (eq (car-safe val) 'calcFunc-evalto)) | |
| 926 | (aset info 8 val)) | |
| 927 | (aset info 9 nil) | |
| 928 | (aset info 10 vars-used) | |
| 929 | (aset info 11 nil) | |
| 930 | (if (or need-display (eq (car-safe val) 'calcFunc-evalto)) | |
| 931 | (let ((extra (if (eq calc-language 'big) 1 0))) | |
| 932 | (or entry (setq entry (list val 1 nil))) | |
| 933 | (or str (progn | |
| 934 | (setq str (let ((calc-line-numbering nil)) | |
| 935 | (math-format-stack-value entry))) | |
| 936 | (if (eq calc-language 'big) | |
| 937 | (setq str (substring str 0 -1))))) | |
| 938 | (and calc-show-plain | |
| 939 | (setq str (concat open-plain | |
| 940 | (math-showing-full-precision | |
| 941 | (math-format-flat-expr val 0)) | |
| 942 | close-plain | |
| 943 | str))) | |
| 944 | (save-excursion | |
| 945 | (calc-embedded-original-buffer t info) | |
| 946 | (or (equal str (aref info 6)) | |
| 947 | (let ((delta (- (aref info 5) (aref info 3))) | |
| 948 | (buffer-read-only nil)) | |
| 949 | (goto-char (aref info 2)) | |
| 950 | (delete-region (point) (aref info 3)) | |
| 951 | (and (> (nth 1 entry) (1+ extra)) | |
| 952 | (aref info 7) | |
| 953 | (progn | |
| 954 | (aset info 7 nil) | |
| 955 | (delete-horizontal-space) | |
| 956 | (insert "\n\n") | |
| 957 | (delete-horizontal-space) | |
| 958 | (backward-char 1))) | |
| 959 | (insert str) | |
| 960 | (set-marker (aref info 3) (point)) | |
| 961 | (set-marker (aref info 5) (+ (point) delta)) | |
| 962 | (aset info 6 str)))))) | |
| 963 | (if (eq (car-safe val) 'calcFunc-evalto) | |
| 964 | (progn | |
| 965 | (setq evalled (nth 2 val) | |
| 966 | val (nth 1 val)))) | |
| 967 | (if (eq (car-safe val) 'calcFunc-assign) | |
| 968 | (progn | |
| 969 | (aset info 9 (nth 1 val)) | |
| 970 | (aset info 11 (or evalled | |
| 971 | (let ((calc-embedded-info info)) | |
| 972 | (math-evaluate-expr (nth 2 val))))) | |
| 973 | (or (equal old-eval (aref info 11)) | |
| 974 | (calc-embedded-var-change (nth 1 val) (aref info 0)))) | |
| 975 | (if (eq (car-safe old-val) 'calcFunc-evalto) | |
| 976 | (setq old-val (nth 1 old-val))) | |
| 977 | (if (eq (car-safe old-val) 'calcFunc-assign) | |
| 978 | (calc-embedded-var-change (nth 1 old-val) (aref info 0))))) | |
| 979 | (set-buffer (aref info 1)) | |
| 980 | (while prev-modes | |
| 981 | (cond ((eq (car (car prev-modes)) 'the-language) | |
| 982 | (if need-display | |
| 983 | (calc-embedded-set-language (cdr (car prev-modes))))) | |
| 984 | ((eq (car (car prev-modes)) 'the-display-just) | |
| 985 | (if need-display | |
| 986 | (calc-embedded-set-justify (cdr (car prev-modes))))) | |
| 987 | (t | |
| 988 | (set (car (car prev-modes)) (cdr (car prev-modes))))) | |
| bf77c646 | 989 | (setq prev-modes (cdr prev-modes)))))) |
| 136211a9 EZ |
990 | |
| 991 | ||
| 992 | ||
| 993 | ||
| 994 | ;;; These are hooks called by the main part of Calc. | |
| 995 | ||
| 3132f345 | 996 | (defvar calc-embedded-no-reselect nil) |
| 136211a9 EZ |
997 | (defun calc-embedded-select-buffer () |
| 998 | (if (eq (current-buffer) (aref calc-embedded-info 0)) | |
| 999 | (let ((info calc-embedded-info) | |
| 1000 | horiz vert) | |
| 1001 | (if (and (or (< (point) (aref info 4)) | |
| 1002 | (> (point) (aref info 5))) | |
| 1003 | (not calc-embedded-no-reselect)) | |
| 1004 | (let ((calc-embedded-quiet t)) | |
| 1005 | (message "(Switching Calc Embedded mode to new formula.)") | |
| 1006 | (calc-embedded nil) | |
| 1007 | (calc-embedded nil))) | |
| 1008 | (setq horiz (max (min (current-column) (- (point) (aref info 2))) 0) | |
| 1009 | vert (if (<= (aref info 2) (point)) | |
| 1010 | (- (count-lines (aref info 2) (point)) | |
| 1011 | (if (bolp) 0 1)) | |
| 1012 | 0)) | |
| 1013 | (set-buffer (aref info 1)) | |
| 1014 | (if calc-show-plain | |
| 1015 | (if (= vert 0) | |
| 1016 | (setq horiz 0) | |
| 1017 | (setq vert (1- vert)))) | |
| 1018 | (calc-cursor-stack-index 1) | |
| 1019 | (if calc-line-numbering | |
| 1020 | (setq horiz (+ horiz 4))) | |
| 1021 | (if (> vert 0) | |
| 1022 | (forward-line vert)) | |
| 1023 | (forward-char (min horiz | |
| 1024 | (- (point-max) (point))))) | |
| bf77c646 | 1025 | (calc-select-buffer))) |
| 136211a9 EZ |
1026 | |
| 1027 | (defun calc-embedded-finish-command () | |
| 1028 | (let ((buf (current-buffer)) | |
| 1029 | horiz vert) | |
| 1030 | (save-excursion | |
| 1031 | (set-buffer (aref calc-embedded-info 1)) | |
| 1032 | (if (> (calc-stack-size) 0) | |
| 1033 | (let ((pt (point)) | |
| 1034 | (col (current-column)) | |
| 1035 | (bol (bolp))) | |
| 1036 | (calc-cursor-stack-index 0) | |
| 1037 | (if (< pt (point)) | |
| 1038 | (progn | |
| 1039 | (calc-cursor-stack-index 1) | |
| 1040 | (if (>= pt (point)) | |
| 1041 | (progn | |
| 1042 | (setq horiz (- col (if calc-line-numbering 4 0)) | |
| 1043 | vert (- (count-lines (point) pt) | |
| 1044 | (if bol 0 1))) | |
| 1045 | (if calc-show-plain | |
| 1046 | (setq vert (max 1 (1+ vert)))))))) | |
| 1047 | (goto-char pt)))) | |
| 1048 | (if horiz | |
| 1049 | (progn | |
| 1050 | (set-buffer (aref calc-embedded-info 0)) | |
| 1051 | (goto-char (aref calc-embedded-info 2)) | |
| 1052 | (if (> vert 0) | |
| 1053 | (forward-line vert)) | |
| 1054 | (forward-char (max horiz 0)) | |
| bf77c646 | 1055 | (set-buffer buf))))) |
| 136211a9 EZ |
1056 | |
| 1057 | (defun calc-embedded-stack-change () | |
| 1058 | (or calc-executing-macro | |
| 1059 | (save-excursion | |
| 1060 | (set-buffer (aref calc-embedded-info 1)) | |
| 1061 | (let* ((info calc-embedded-info) | |
| 1062 | (extra-line (if (eq calc-language 'big) 1 0)) | |
| 1063 | (the-point (point)) | |
| 1064 | (empty (= (calc-stack-size) 0)) | |
| 1065 | (entry (if empty | |
| 1066 | (list '(var empty var-empty) 1 nil) | |
| 1067 | (calc-top 1 'entry))) | |
| 1068 | (old-val (aref info 8)) | |
| 1069 | top bot str) | |
| 1070 | (if empty | |
| 1071 | (setq str "empty") | |
| 1072 | (save-excursion | |
| 1073 | (calc-cursor-stack-index 1) | |
| 1074 | (setq top (point)) | |
| 1075 | (calc-cursor-stack-index 0) | |
| 1076 | (setq bot (- (point) extra-line)) | |
| 1077 | (setq str (buffer-substring top (- bot 1)))) | |
| 1078 | (if calc-line-numbering | |
| 1079 | (let ((pos 0)) | |
| 1080 | (setq str (substring str 4)) | |
| 1081 | (while (setq pos (string-match "\n...." str pos)) | |
| 1082 | (setq str (concat (substring str 0 (1+ pos)) | |
| 1083 | (substring str (+ pos 5))) | |
| 1084 | pos (1+ pos)))))) | |
| 1085 | (calc-embedded-original-buffer t) | |
| 1086 | (aset info 8 (car entry)) | |
| bf77c646 | 1087 | (calc-embedded-update info 13 nil t str entry old-val))))) |
| 136211a9 EZ |
1088 | |
| 1089 | (defun calc-embedded-mode-line-change () | |
| 1090 | (let ((str mode-line-buffer-identification)) | |
| 1091 | (save-excursion | |
| 1092 | (calc-embedded-original-buffer t) | |
| 1093 | (setq mode-line-buffer-identification str) | |
| bf77c646 | 1094 | (set-buffer-modified-p (buffer-modified-p))))) |
| 136211a9 EZ |
1095 | |
| 1096 | (defun calc-embedded-modes-change (vars) | |
| 1097 | (if (eq (car vars) 'calc-language) (setq vars '(the-language))) | |
| 1098 | (if (eq (car vars) 'calc-display-just) (setq vars '(the-display-just))) | |
| 1099 | (while (and vars | |
| 1100 | (not (rassq (car vars) calc-embedded-mode-vars))) | |
| 1101 | (setq vars (cdr vars))) | |
| 1102 | (if (and vars calc-mode-save-mode (not (eq calc-mode-save-mode 'save))) | |
| 1103 | (save-excursion | |
| 1104 | (let* ((save-mode calc-mode-save-mode) | |
| 1105 | (header (if (eq save-mode 'local) | |
| 1106 | "calc-mode:" | |
| 1107 | (format "calc-%s-mode:" save-mode))) | |
| 1108 | (the-language (calc-embedded-language)) | |
| 1109 | (the-display-just (calc-embedded-justify)) | |
| 1110 | (values (mapcar 'symbol-value vars)) | |
| 1111 | (num (cond ((eq save-mode 'local) 12) | |
| 1112 | ((eq save-mode 'edit) 13) | |
| 1113 | ((eq save-mode 'perm) 14) | |
| 1114 | (t nil))) | |
| 1115 | base limit mname mlist) | |
| 1116 | (calc-embedded-original-buffer t) | |
| 1117 | (save-excursion | |
| 1118 | (if (eq save-mode 'global) | |
| 1119 | (setq base (point-max) | |
| 1120 | limit (point-min) | |
| 1121 | mlist calc-embedded-globals) | |
| 1122 | (goto-char (aref calc-embedded-info 4)) | |
| 1123 | (beginning-of-line) | |
| 1124 | (setq base (point) | |
| 1125 | limit (max (- (point) 1000) (point-min)) | |
| 1126 | mlist (and num (aref calc-embedded-info num))) | |
| 1127 | (and (re-search-backward | |
| 1128 | (format "\\(%s\\)[^\001]*\\(%s\\)\\|\\[calc-defaults]" | |
| 1129 | calc-embedded-open-formula | |
| 1130 | calc-embedded-close-formula) limit t) | |
| 1131 | (setq limit (point)))) | |
| 1132 | (while vars | |
| 1133 | (goto-char base) | |
| 1134 | (if (setq mname (car (rassq (car vars) | |
| 1135 | calc-embedded-mode-vars))) | |
| 1136 | (let ((buffer-read-only nil) | |
| 1137 | (found (assq (car vars) mlist))) | |
| 1138 | (if found | |
| 1139 | (setcdr found (car values)) | |
| 1140 | (setq mlist (cons (cons (car vars) (car values)) mlist)) | |
| 1141 | (if num | |
| 1142 | (aset calc-embedded-info num mlist) | |
| 1143 | (if (eq save-mode 'global) | |
| 1144 | (setq calc-embedded-globals mlist)))) | |
| 1145 | (if (re-search-backward | |
| 1146 | (format "\\[%s *%s: *\\(\"\\([^\"\n\\]\\|\\\\.\\)*\"\\|[- ()a-zA-Z0-9]+\\)]" | |
| 1147 | header mname) | |
| 1148 | limit t) | |
| 1149 | (progn | |
| 1150 | (goto-char (match-beginning 1)) | |
| 1151 | (delete-region (point) (match-end 1)) | |
| 1152 | (insert (prin1-to-string (car values)))) | |
| 1153 | (goto-char base) | |
| 1154 | (insert-before-markers | |
| 1155 | calc-embedded-open-mode | |
| 1156 | "[" header " " mname ": " | |
| 1157 | (prin1-to-string (car values)) "]" | |
| 1158 | calc-embedded-close-mode)))) | |
| 1159 | (setq vars (cdr vars) | |
| bf77c646 | 1160 | values (cdr values)))))))) |
| 136211a9 EZ |
1161 | |
| 1162 | (defun calc-embedded-var-change (var &optional buf) | |
| 1163 | (if (symbolp var) | |
| 1164 | (setq var (list 'var | |
| 1165 | (if (string-match "\\`var-.+\\'" | |
| 1166 | (symbol-name var)) | |
| 1167 | (intern (substring (symbol-name var) 4)) | |
| 1168 | var) | |
| 1169 | var))) | |
| 1170 | (save-excursion | |
| 1171 | (let ((manual (not calc-auto-recompute)) | |
| 1172 | (bp calc-embedded-active) | |
| 1173 | (first t)) | |
| 1174 | (if buf (setq bp (memq (assq buf bp) bp))) | |
| 1175 | (while bp | |
| 1176 | (let ((calc-embedded-no-reselect t) | |
| 1177 | (p (and (buffer-name (car (car bp))) | |
| 1178 | (cdr (car bp))))) | |
| 1179 | (while p | |
| 1180 | (if (assoc var (aref (car p) 10)) | |
| 1181 | (if manual | |
| 1182 | (if (aref (car p) 11) | |
| 1183 | (progn | |
| 1184 | (aset (car p) 11 nil) | |
| 1185 | (if (aref (car p) 9) | |
| 1186 | (calc-embedded-var-change (aref (car p) 9))))) | |
| 1187 | (set-buffer (aref (car p) 0)) | |
| 1188 | (if (equal (buffer-substring (aref (car p) 2) | |
| 1189 | (aref (car p) 3)) | |
| 1190 | (aref (car p) 6)) | |
| 1191 | (let ((calc-embedded-info nil)) | |
| 1192 | (or calc-embedded-quiet | |
| 1193 | (message "Recomputing...")) | |
| 1194 | (setq first nil) | |
| 1195 | (calc-wrapper | |
| 1196 | (set-buffer (aref (car p) 0)) | |
| 1197 | (calc-embedded-update (car p) 14 t nil))) | |
| 1198 | (setcdr (car bp) (delq (car p) (cdr (car bp)))) | |
| 1199 | (message | |
| 3132f345 | 1200 | "(Tried to recompute but formula was changed or missing)")))) |
| 136211a9 EZ |
1201 | (setq p (cdr p)))) |
| 1202 | (setq bp (if buf nil (cdr bp)))) | |
| bf77c646 | 1203 | (or first calc-embedded-quiet (message ""))))) |
| 136211a9 | 1204 | |
| ab5796a9 | 1205 | ;;; arch-tag: 1b8f311e-fba1-40d3-b8c3-1d6f68fd26fc |
| bf77c646 | 1206 | ;;; calc-embed.el ends here |