HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 3132f345 CW |
1 | ;;; calc-aent.el --- algebraic entry functions for Calc |
| 2 | ||
| 4db56602 | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc. |
| 3132f345 CW |
4 | |
| 5 | ;; Author: Dave Gillespie <daveg@synaptics.com> | |
| c4446fc2 | 6 | ;; Maintainer: Jay Belanger <belanger@truman.edu> |
| 136211a9 EZ |
7 | |
| 8 | ;; This file is part of GNU Emacs. | |
| 9 | ||
| 10 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 11 | ;; but WITHOUT ANY WARRANTY. No author or distributor | |
| 12 | ;; accepts responsibility to anyone for the consequences of using it | |
| 13 | ;; or for whether it serves any particular purpose or works at all, | |
| 14 | ;; unless he says so in writing. Refer to the GNU Emacs General Public | |
| 15 | ;; License for full details. | |
| 16 | ||
| 17 | ;; Everyone is granted permission to copy, modify and redistribute | |
| 18 | ;; GNU Emacs, but only under the conditions described in the | |
| 19 | ;; GNU Emacs General Public License. A copy of this license is | |
| 20 | ;; supposed to have been given to you along with GNU Emacs so you | |
| 21 | ;; can know your rights and responsibilities. It should be in a | |
| 22 | ;; file named COPYING. Among other things, the copyright notice | |
| 23 | ;; and this notice must be preserved on all copies. | |
| 24 | ||
| 3132f345 | 25 | ;;; Commentary: |
| 136211a9 | 26 | |
| 3132f345 | 27 | ;;; Code: |
| 136211a9 EZ |
28 | |
| 29 | ;; This file is autoloaded from calc.el. | |
| 30 | (require 'calc) | |
| 31 | ||
| 32 | (require 'calc-macs) | |
| f20be8fe | 33 | (eval-when-compile '(require calc-macs)) |
| 136211a9 EZ |
34 | |
| 35 | (defun calc-Need-calc-aent () nil) | |
| 36 | ||
| 37 | ||
| 38 | (defun calc-do-quick-calc () | |
| 39 | (calc-check-defines) | |
| 40 | (if (eq major-mode 'calc-mode) | |
| 41 | (calc-algebraic-entry t) | |
| 42 | (let (buf shortbuf) | |
| 43 | (save-excursion | |
| 44 | (calc-create-buffer) | |
| 45 | (let* ((calc-command-flags nil) | |
| 46 | (calc-dollar-values calc-quick-prev-results) | |
| 47 | (calc-dollar-used 0) | |
| 48 | (enable-recursive-minibuffers t) | |
| 49 | (calc-language (if (memq calc-language '(nil big)) | |
| 50 | 'flat calc-language)) | |
| 51 | (entry (calc-do-alg-entry "" "Quick calc: " t)) | |
| 52 | (alg-exp (mapcar (function | |
| 53 | (lambda (x) | |
| 54 | (if (and (not calc-extensions-loaded) | |
| 55 | calc-previous-alg-entry | |
| 56 | (string-match | |
| 57 | "\\`[-0-9._+*/^() ]+\\'" | |
| 58 | calc-previous-alg-entry)) | |
| 59 | (calc-normalize x) | |
| 60 | (calc-extensions) | |
| 61 | (math-evaluate-expr x)))) | |
| 62 | entry))) | |
| 3132f345 CW |
63 | (when (and (= (length alg-exp) 1) |
| 64 | (eq (car-safe (car alg-exp)) 'calcFunc-assign) | |
| 65 | (= (length (car alg-exp)) 3) | |
| 66 | (eq (car-safe (nth 1 (car alg-exp))) 'var)) | |
| 67 | (calc-extensions) | |
| 68 | (set (nth 2 (nth 1 (car alg-exp))) (nth 2 (car alg-exp))) | |
| 69 | (calc-refresh-evaltos (nth 2 (nth 1 (car alg-exp)))) | |
| 70 | (setq alg-exp (list (nth 2 (car alg-exp))))) | |
| 136211a9 EZ |
71 | (setq calc-quick-prev-results alg-exp |
| 72 | buf (mapconcat (function (lambda (x) | |
| 73 | (math-format-value x 1000))) | |
| 74 | alg-exp | |
| 75 | " ") | |
| 76 | shortbuf buf) | |
| 77 | (if (and (= (length alg-exp) 1) | |
| 78 | (memq (car-safe (car alg-exp)) '(nil bigpos bigneg)) | |
| 79 | (< (length buf) 20) | |
| 80 | (= calc-number-radix 10)) | |
| 81 | (setq buf (concat buf " (" | |
| 82 | (let ((calc-number-radix 16)) | |
| 83 | (math-format-value (car alg-exp) 1000)) | |
| 84 | ", " | |
| 85 | (let ((calc-number-radix 8)) | |
| 86 | (math-format-value (car alg-exp) 1000)) | |
| 87 | (if (and (integerp (car alg-exp)) | |
| 88 | (> (car alg-exp) 0) | |
| 89 | (< (car alg-exp) 127)) | |
| 90 | (format ", \"%c\"" (car alg-exp)) | |
| 91 | "") | |
| 92 | ")"))) | |
| f20be8fe | 93 | (if (and (< (length buf) (frame-width)) (= (length entry) 1) |
| 136211a9 EZ |
94 | calc-extensions-loaded) |
| 95 | (let ((long (concat (math-format-value (car entry) 1000) | |
| 96 | " => " buf))) | |
| f20be8fe | 97 | (if (<= (length long) (- (frame-width) 8)) |
| 136211a9 EZ |
98 | (setq buf long)))) |
| 99 | (calc-handle-whys) | |
| 100 | (message "Result: %s" buf))) | |
| 101 | (if (eq last-command-char 10) | |
| 102 | (insert shortbuf) | |
| 3cedbf72 | 103 | (kill-new shortbuf))))) |
| 136211a9 EZ |
104 | |
| 105 | (defun calc-do-calc-eval (str separator args) | |
| 106 | (calc-check-defines) | |
| 107 | (catch 'calc-error | |
| 108 | (save-excursion | |
| 109 | (calc-create-buffer) | |
| 110 | (cond | |
| 111 | ((and (consp str) (not (symbolp (car str)))) | |
| 112 | (let ((calc-language nil) | |
| 113 | (math-expr-opers math-standard-opers) | |
| 114 | (calc-internal-prec 12) | |
| 115 | (calc-word-size 32) | |
| 116 | (calc-symbolic-mode nil) | |
| 117 | (calc-matrix-mode nil) | |
| 118 | (calc-angle-mode 'deg) | |
| 119 | (calc-number-radix 10) | |
| 120 | (calc-leading-zeros nil) | |
| 121 | (calc-group-digits nil) | |
| 122 | (calc-point-char ".") | |
| 123 | (calc-frac-format '(":" nil)) | |
| 124 | (calc-prefer-frac nil) | |
| 125 | (calc-hms-format "%s@ %s' %s\"") | |
| 126 | (calc-date-format '((H ":" mm C SS pp " ") | |
| 127 | Www " " Mmm " " D ", " YYYY)) | |
| 128 | (calc-float-format '(float 0)) | |
| 129 | (calc-full-float-format '(float 0)) | |
| 130 | (calc-complex-format nil) | |
| 131 | (calc-matrix-just nil) | |
| 132 | (calc-full-vectors t) | |
| 133 | (calc-break-vectors nil) | |
| 134 | (calc-vector-commas ",") | |
| 135 | (calc-vector-brackets "[]") | |
| 136 | (calc-matrix-brackets '(R O)) | |
| 137 | (calc-complex-mode 'cplx) | |
| 138 | (calc-infinite-mode nil) | |
| 139 | (calc-display-strings nil) | |
| 140 | (calc-simplify-mode nil) | |
| 141 | (calc-display-working-message 'lots) | |
| 142 | (strp (cdr str))) | |
| 143 | (while strp | |
| 144 | (set (car strp) (nth 1 strp)) | |
| 145 | (setq strp (cdr (cdr strp)))) | |
| 146 | (calc-do-calc-eval (car str) separator args))) | |
| 147 | ((eq separator 'eval) | |
| 148 | (eval str)) | |
| 149 | ((eq separator 'macro) | |
| 150 | (calc-extensions) | |
| 151 | (let* ((calc-buffer (current-buffer)) | |
| 152 | (calc-window (get-buffer-window calc-buffer)) | |
| 153 | (save-window (selected-window))) | |
| 154 | (if calc-window | |
| 155 | (unwind-protect | |
| 156 | (progn | |
| 157 | (select-window calc-window) | |
| 158 | (calc-execute-kbd-macro str nil (car args))) | |
| 159 | (and (window-point save-window) | |
| 160 | (select-window save-window))) | |
| 161 | (save-window-excursion | |
| 162 | (select-window (get-largest-window)) | |
| 163 | (switch-to-buffer calc-buffer) | |
| 164 | (calc-execute-kbd-macro str nil (car args))))) | |
| 165 | nil) | |
| 166 | ((eq separator 'pop) | |
| 167 | (or (not (integerp str)) | |
| 168 | (= str 0) | |
| 169 | (calc-pop (min str (calc-stack-size)))) | |
| 170 | (calc-stack-size)) | |
| 171 | ((eq separator 'top) | |
| 172 | (and (integerp str) | |
| 173 | (> str 0) | |
| 174 | (<= str (calc-stack-size)) | |
| 175 | (math-format-value (calc-top-n str (car args)) 1000))) | |
| 176 | ((eq separator 'rawtop) | |
| 177 | (and (integerp str) | |
| 178 | (> str 0) | |
| 179 | (<= str (calc-stack-size)) | |
| 180 | (calc-top-n str (car args)))) | |
| 181 | (t | |
| 182 | (let* ((calc-command-flags nil) | |
| 183 | (calc-next-why nil) | |
| 184 | (calc-language (if (memq calc-language '(nil big)) | |
| 185 | 'flat calc-language)) | |
| 186 | (calc-dollar-values (mapcar | |
| 187 | (function | |
| 188 | (lambda (x) | |
| 189 | (if (stringp x) | |
| 190 | (progn | |
| 191 | (setq x (math-read-exprs x)) | |
| 192 | (if (eq (car-safe x) | |
| 193 | 'error) | |
| 194 | (throw 'calc-error | |
| 195 | (calc-eval-error | |
| 196 | (cdr x))) | |
| 197 | (car x))) | |
| 198 | x))) | |
| 199 | args)) | |
| 200 | (calc-dollar-used 0) | |
| 201 | (res (if (stringp str) | |
| 202 | (math-read-exprs str) | |
| 203 | (list str))) | |
| 204 | buf) | |
| 205 | (if (eq (car res) 'error) | |
| 206 | (calc-eval-error (cdr res)) | |
| 207 | (setq res (mapcar 'calc-normalize res)) | |
| 208 | (and (memq 'clear-message calc-command-flags) | |
| 209 | (message "")) | |
| 210 | (cond ((eq separator 'pred) | |
| 211 | (calc-extensions) | |
| 212 | (if (= (length res) 1) | |
| 213 | (math-is-true (car res)) | |
| 214 | (calc-eval-error '(0 "Single value expected")))) | |
| 215 | ((eq separator 'raw) | |
| 216 | (if (= (length res) 1) | |
| 217 | (car res) | |
| 218 | (calc-eval-error '(0 "Single value expected")))) | |
| 219 | ((eq separator 'list) | |
| 220 | res) | |
| 221 | ((memq separator '(num rawnum)) | |
| 222 | (if (= (length res) 1) | |
| 223 | (if (math-constp (car res)) | |
| 224 | (if (eq separator 'num) | |
| 225 | (math-format-value (car res) 1000) | |
| 226 | (car res)) | |
| 227 | (calc-eval-error | |
| 228 | (list 0 | |
| 229 | (if calc-next-why | |
| 230 | (calc-explain-why (car calc-next-why)) | |
| 231 | "Number expected")))) | |
| 232 | (calc-eval-error '(0 "Single value expected")))) | |
| 233 | ((eq separator 'push) | |
| 234 | (calc-push-list res) | |
| 235 | nil) | |
| 236 | (t (while res | |
| 237 | (setq buf (concat buf | |
| 238 | (and buf (or separator ", ")) | |
| 239 | (math-format-value (car res) 1000)) | |
| 240 | res (cdr res))) | |
| 07ff2bc8 | 241 | buf))))))))) |
| 136211a9 EZ |
242 | |
| 243 | (defun calc-eval-error (msg) | |
| 244 | (if (and (boundp 'calc-eval-error) | |
| 245 | calc-eval-error) | |
| 246 | (if (eq calc-eval-error 'string) | |
| 247 | (nth 1 msg) | |
| 248 | (error "%s" (nth 1 msg))) | |
| 07ff2bc8 | 249 | msg)) |
| 136211a9 EZ |
250 | |
| 251 | ||
| 252 | ;;;; Reading an expression in algebraic form. | |
| 253 | ||
| 254 | (defun calc-auto-algebraic-entry (&optional prefix) | |
| 255 | (interactive "P") | |
| 07ff2bc8 | 256 | (calc-algebraic-entry prefix t)) |
| 136211a9 EZ |
257 | |
| 258 | (defun calc-algebraic-entry (&optional prefix auto) | |
| 259 | (interactive "P") | |
| 260 | (calc-wrapper | |
| 261 | (let ((calc-language (if prefix nil calc-language)) | |
| 262 | (math-expr-opers (if prefix math-standard-opers math-expr-opers))) | |
| 07ff2bc8 | 263 | (calc-alg-entry (and auto (char-to-string last-command-char)))))) |
| 136211a9 EZ |
264 | |
| 265 | (defun calc-alg-entry (&optional initial prompt) | |
| 266 | (let* ((sel-mode nil) | |
| 267 | (calc-dollar-values (mapcar 'calc-get-stack-element | |
| 268 | (nthcdr calc-stack-top calc-stack))) | |
| 269 | (calc-dollar-used 0) | |
| 270 | (calc-plain-entry t) | |
| 271 | (alg-exp (calc-do-alg-entry initial prompt t))) | |
| 272 | (if (stringp alg-exp) | |
| 273 | (progn | |
| 274 | (calc-extensions) | |
| 275 | (calc-alg-edit alg-exp)) | |
| 276 | (let* ((calc-simplify-mode (if (eq last-command-char ?\C-j) | |
| 277 | 'none | |
| 278 | calc-simplify-mode)) | |
| 279 | (nvals (mapcar 'calc-normalize alg-exp))) | |
| 280 | (while alg-exp | |
| 281 | (calc-record (if calc-extensions-loaded (car alg-exp) (car nvals)) | |
| 282 | "alg'") | |
| 283 | (calc-pop-push-record-list calc-dollar-used | |
| 284 | (and (not (equal (car alg-exp) | |
| 285 | (car nvals))) | |
| 286 | calc-extensions-loaded | |
| 287 | "") | |
| 288 | (list (car nvals))) | |
| 289 | (setq alg-exp (cdr alg-exp) | |
| 290 | nvals (cdr nvals) | |
| 291 | calc-dollar-used 0))) | |
| 07ff2bc8 | 292 | (calc-handle-whys)))) |
| 136211a9 | 293 | |
| 1480882c JB |
294 | (defvar calc-alg-ent-map nil |
| 295 | "The keymap used for algebraic entry.") | |
| 296 | ||
| 297 | (defvar calc-alg-ent-esc-map nil | |
| 298 | "The keymap used for escapes in algebraic entry.") | |
| 299 | ||
| 3cedbf72 JB |
300 | (defvar calc-alg-exp) |
| 301 | ||
| 136211a9 EZ |
302 | (defun calc-do-alg-entry (&optional initial prompt no-normalize) |
| 303 | (let* ((calc-buffer (current-buffer)) | |
| 4db56602 | 304 | (blink-paren-function 'calcAlg-blink-matching-open) |
| 3cedbf72 | 305 | (calc-alg-exp 'error)) |
| 1480882c | 306 | (unless calc-alg-ent-map |
| 136211a9 EZ |
307 | (setq calc-alg-ent-map (copy-keymap minibuffer-local-map)) |
| 308 | (define-key calc-alg-ent-map "'" 'calcAlg-previous) | |
| 309 | (define-key calc-alg-ent-map "`" 'calcAlg-edit) | |
| 310 | (define-key calc-alg-ent-map "\C-m" 'calcAlg-enter) | |
| 311 | (define-key calc-alg-ent-map "\C-j" 'calcAlg-enter) | |
| f1625eaa JB |
312 | (let ((i 33)) |
| 313 | (setq calc-alg-ent-esc-map (copy-keymap esc-map)) | |
| 314 | (while (< i 127) | |
| 315 | (aset (nth 1 calc-alg-ent-esc-map) i 'calcAlg-escape) | |
| 316 | (setq i (1+ i))))) | |
| 317 | (define-key calc-alg-ent-map "\e" nil) | |
| 136211a9 EZ |
318 | (if (eq calc-algebraic-mode 'total) |
| 319 | (define-key calc-alg-ent-map "\e" calc-alg-ent-esc-map) | |
| 320 | (define-key calc-alg-ent-map "\ep" 'calcAlg-plus-minus) | |
| 321 | (define-key calc-alg-ent-map "\em" 'calcAlg-mod) | |
| 322 | (define-key calc-alg-ent-map "\e=" 'calcAlg-equals) | |
| 323 | (define-key calc-alg-ent-map "\e\r" 'calcAlg-equals) | |
| 324 | (define-key calc-alg-ent-map "\e%" 'self-insert-command)) | |
| 325 | (setq calc-aborted-prefix nil) | |
| 326 | (let ((buf (read-from-minibuffer (or prompt "Algebraic: ") | |
| 327 | (or initial "") | |
| 328 | calc-alg-ent-map nil))) | |
| 3cedbf72 JB |
329 | (when (eq calc-alg-exp 'error) |
| 330 | (when (eq (car-safe (setq calc-alg-exp (math-read-exprs buf))) 'error) | |
| 331 | (setq calc-alg-exp nil))) | |
| 136211a9 EZ |
332 | (setq calc-aborted-prefix "alg'") |
| 333 | (or no-normalize | |
| 3cedbf72 JB |
334 | (and calc-alg-exp (setq calc-alg-exp (mapcar 'calc-normalize calc-alg-exp)))) |
| 335 | calc-alg-exp))) | |
| 136211a9 EZ |
336 | |
| 337 | (defun calcAlg-plus-minus () | |
| 338 | (interactive) | |
| 339 | (if (calc-minibuffer-contains ".* \\'") | |
| 340 | (insert "+/- ") | |
| 07ff2bc8 | 341 | (insert " +/- "))) |
| 136211a9 EZ |
342 | |
| 343 | (defun calcAlg-mod () | |
| 344 | (interactive) | |
| 345 | (if (not (calc-minibuffer-contains ".* \\'")) | |
| 346 | (insert " ")) | |
| 347 | (if (calc-minibuffer-contains ".* mod +\\'") | |
| 348 | (if calc-previous-modulo | |
| 349 | (insert (math-format-flat-expr calc-previous-modulo 0)) | |
| 350 | (beep)) | |
| 07ff2bc8 | 351 | (insert "mod "))) |
| 136211a9 EZ |
352 | |
| 353 | (defun calcAlg-previous () | |
| 354 | (interactive) | |
| aa9208fb | 355 | (if (calc-minibuffer-contains "\\'") |
| 136211a9 EZ |
356 | (if calc-previous-alg-entry |
| 357 | (insert calc-previous-alg-entry) | |
| 358 | (beep)) | |
| 07ff2bc8 | 359 | (insert "'"))) |
| 136211a9 EZ |
360 | |
| 361 | (defun calcAlg-equals () | |
| 362 | (interactive) | |
| 363 | (unwind-protect | |
| 364 | (calcAlg-enter) | |
| 3cedbf72 JB |
365 | (if (consp calc-alg-exp) |
| 366 | (progn (setq prefix-arg (length calc-alg-exp)) | |
| 07ff2bc8 | 367 | (calc-unread-command ?=))))) |
| 136211a9 EZ |
368 | |
| 369 | (defun calcAlg-escape () | |
| 370 | (interactive) | |
| 371 | (calc-unread-command) | |
| 372 | (save-excursion | |
| 373 | (calc-select-buffer) | |
| 374 | (use-local-map calc-mode-map)) | |
| 07ff2bc8 | 375 | (calcAlg-enter)) |
| 136211a9 | 376 | |
| 3132f345 | 377 | (defvar calc-plain-entry nil) |
| 136211a9 EZ |
378 | (defun calcAlg-edit () |
| 379 | (interactive) | |
| 380 | (if (or (not calc-plain-entry) | |
| 381 | (calc-minibuffer-contains | |
| 382 | "\\`\\([^\"]*\"[^\"]*\"\\)*[^\"]*\"[^\"]*\\'")) | |
| 383 | (insert "`") | |
| 3cedbf72 JB |
384 | (setq calc-alg-exp (minibuffer-contents)) |
| 385 | (and (> (length calc-alg-exp) 0) (setq calc-previous-alg-entry calc-alg-exp)) | |
| 07ff2bc8 | 386 | (exit-minibuffer))) |
| 136211a9 EZ |
387 | |
| 388 | (defun calcAlg-enter () | |
| 389 | (interactive) | |
| f20be8fe | 390 | (let* ((str (minibuffer-contents)) |
| 136211a9 EZ |
391 | (exp (and (> (length str) 0) |
| 392 | (save-excursion | |
| 393 | (set-buffer calc-buffer) | |
| 394 | (math-read-exprs str))))) | |
| 395 | (if (eq (car-safe exp) 'error) | |
| 396 | (progn | |
| f20be8fe | 397 | (goto-char (minibuffer-prompt-end)) |
| 136211a9 EZ |
398 | (forward-char (nth 1 exp)) |
| 399 | (beep) | |
| 400 | (calc-temp-minibuffer-message | |
| 401 | (concat " [" (or (nth 2 exp) "Error") "]")) | |
| 402 | (calc-clear-unread-commands)) | |
| 3cedbf72 | 403 | (setq calc-alg-exp (if (calc-minibuffer-contains "\\` *\\[ *\\'") |
| 136211a9 EZ |
404 | '((incomplete vec)) |
| 405 | exp)) | |
| 406 | (and (> (length str) 0) (setq calc-previous-alg-entry str)) | |
| 07ff2bc8 | 407 | (exit-minibuffer)))) |
| 136211a9 EZ |
408 | |
| 409 | (defun calcAlg-blink-matching-open () | |
| 410 | (let ((oldpos (point)) | |
| 411 | (blinkpos nil)) | |
| 412 | (save-excursion | |
| 413 | (condition-case () | |
| 414 | (setq blinkpos (scan-sexps oldpos -1)) | |
| 415 | (error nil))) | |
| 416 | (if (and blinkpos | |
| 417 | (> oldpos (1+ (point-min))) | |
| 418 | (or (and (= (char-after (1- oldpos)) ?\)) | |
| 419 | (= (char-after blinkpos) ?\[)) | |
| 420 | (and (= (char-after (1- oldpos)) ?\]) | |
| 421 | (= (char-after blinkpos) ?\())) | |
| 422 | (save-excursion | |
| 423 | (goto-char blinkpos) | |
| 424 | (looking-at ".+\\(\\.\\.\\|\\\\dots\\|\\\\ldots\\)"))) | |
| 425 | (let ((saved (aref (syntax-table) (char-after blinkpos)))) | |
| 426 | (unwind-protect | |
| 427 | (progn | |
| 428 | (aset (syntax-table) (char-after blinkpos) | |
| 429 | (+ (logand saved 255) | |
| 430 | (lsh (char-after (1- oldpos)) 8))) | |
| 431 | (blink-matching-open)) | |
| 432 | (aset (syntax-table) (char-after blinkpos) saved))) | |
| 07ff2bc8 | 433 | (blink-matching-open)))) |
| 136211a9 EZ |
434 | |
| 435 | ||
| 436 | (defun calc-alg-digit-entry () | |
| a1506d29 | 437 | (calc-alg-entry |
| 136211a9 EZ |
438 | (cond ((eq last-command-char ?e) |
| 439 | (if (> calc-number-radix 14) (format "%d.^" calc-number-radix) "1e")) | |
| 440 | ((eq last-command-char ?#) (format "%d#" calc-number-radix)) | |
| 441 | ((eq last-command-char ?_) "-") | |
| 442 | ((eq last-command-char ?@) "0@ ") | |
| 07ff2bc8 | 443 | (t (char-to-string last-command-char))))) |
| 136211a9 EZ |
444 | |
| 445 | (defun calcDigit-algebraic () | |
| 446 | (interactive) | |
| 447 | (if (calc-minibuffer-contains ".*[@oh] *[^'m ]+[^'m]*\\'") | |
| 448 | (calcDigit-key) | |
| f20be8fe | 449 | (setq calc-digit-value (minibuffer-contents)) |
| 07ff2bc8 | 450 | (exit-minibuffer))) |
| 136211a9 EZ |
451 | |
| 452 | (defun calcDigit-edit () | |
| 453 | (interactive) | |
| 454 | (calc-unread-command) | |
| f20be8fe | 455 | (setq calc-digit-value (minibuffer-contents)) |
| 07ff2bc8 | 456 | (exit-minibuffer)) |
| 136211a9 EZ |
457 | |
| 458 | ||
| 459 | ;;; Algebraic expression parsing. [Public] | |
| 460 | ||
| 3cedbf72 JB |
461 | ;;; The next few variables are local to math-read-exprs (and math-read-expr) |
| 462 | ;;; but are set in functions they call. | |
| 463 | ||
| 464 | (defvar math-exp-pos) | |
| 465 | (defvar math-exp-str) | |
| 466 | (defvar math-exp-old-pos) | |
| 467 | (defvar math-exp-token) | |
| 468 | (defvar math-exp-keep-spaces) | |
| 469 | ||
| 470 | (defun math-read-exprs (math-exp-str) | |
| 471 | (let ((math-exp-pos 0) | |
| 472 | (math-exp-old-pos 0) | |
| 473 | (math-exp-keep-spaces nil) | |
| 474 | math-exp-token math-expr-data) | |
| c4446fc2 | 475 | (setq math-exp-str (math-read-preprocess-string math-exp-str)) |
| 136211a9 | 476 | (if calc-language-input-filter |
| 3cedbf72 JB |
477 | (setq math-exp-str (funcall calc-language-input-filter math-exp-str))) |
| 478 | (while (setq math-exp-token (string-match "\\.\\.\\([^.]\\|.[^.]\\)" math-exp-str)) | |
| 479 | (setq math-exp-str (concat (substring math-exp-str 0 math-exp-token) "\\dots" | |
| 480 | (substring math-exp-str (+ math-exp-token 2))))) | |
| 136211a9 EZ |
481 | (math-build-parse-table) |
| 482 | (math-read-token) | |
| 483 | (let ((val (catch 'syntax (math-read-expr-list)))) | |
| 484 | (if (stringp val) | |
| 3cedbf72 JB |
485 | (list 'error math-exp-old-pos val) |
| 486 | (if (equal math-exp-token 'end) | |
| 136211a9 | 487 | val |
| 3cedbf72 | 488 | (list 'error math-exp-old-pos "Syntax error")))))) |
| 136211a9 EZ |
489 | |
| 490 | (defun math-read-expr-list () | |
| 3cedbf72 | 491 | (let* ((math-exp-keep-spaces nil) |
| 136211a9 EZ |
492 | (val (list (math-read-expr-level 0))) |
| 493 | (last val)) | |
| abd880c3 | 494 | (while (equal math-expr-data ",") |
| 136211a9 EZ |
495 | (math-read-token) |
| 496 | (let ((rest (list (math-read-expr-level 0)))) | |
| 497 | (setcdr last rest) | |
| 498 | (setq last rest))) | |
| 07ff2bc8 | 499 | val)) |
| 136211a9 | 500 | |
| 3132f345 CW |
501 | (defvar calc-user-parse-table nil) |
| 502 | (defvar calc-last-main-parse-table nil) | |
| 503 | (defvar calc-last-lang-parse-table nil) | |
| 504 | (defvar calc-user-tokens nil) | |
| 505 | (defvar calc-user-token-chars nil) | |
| 136211a9 | 506 | |
| 3cedbf72 JB |
507 | (defvar math-toks nil |
| 508 | "Tokens to pass between math-build-parse-table and math-find-user-tokens.") | |
| 509 | ||
| 136211a9 EZ |
510 | (defun math-build-parse-table () |
| 511 | (let ((mtab (cdr (assq nil calc-user-parse-tables))) | |
| 512 | (ltab (cdr (assq calc-language calc-user-parse-tables)))) | |
| 513 | (or (and (eq mtab calc-last-main-parse-table) | |
| 514 | (eq ltab calc-last-lang-parse-table)) | |
| 515 | (let ((p (append mtab ltab)) | |
| 3cedbf72 | 516 | (math-toks nil)) |
| 136211a9 EZ |
517 | (setq calc-user-parse-table p) |
| 518 | (setq calc-user-token-chars nil) | |
| 519 | (while p | |
| 520 | (math-find-user-tokens (car (car p))) | |
| 521 | (setq p (cdr p))) | |
| 522 | (setq calc-user-tokens (mapconcat 'identity | |
| 3cedbf72 | 523 | (sort (mapcar 'car math-toks) |
| 136211a9 EZ |
524 | (function (lambda (x y) |
| 525 | (> (length x) | |
| 526 | (length y))))) | |
| 527 | "\\|") | |
| 528 | calc-last-main-parse-table mtab | |
| 07ff2bc8 | 529 | calc-last-lang-parse-table ltab))))) |
| 136211a9 | 530 | |
| 3cedbf72 | 531 | (defun math-find-user-tokens (p) |
| 136211a9 EZ |
532 | (while p |
| 533 | (cond ((and (stringp (car p)) | |
| 534 | (or (> (length (car p)) 1) (equal (car p) "$") | |
| 535 | (equal (car p) "\"")) | |
| 536 | (string-match "[^a-zA-Z0-9]" (car p))) | |
| 537 | (let ((s (regexp-quote (car p)))) | |
| 538 | (if (string-match "\\`[a-zA-Z0-9]" s) | |
| 539 | (setq s (concat "\\<" s))) | |
| 540 | (if (string-match "[a-zA-Z0-9]\\'" s) | |
| 541 | (setq s (concat s "\\>"))) | |
| 3cedbf72 | 542 | (or (assoc s math-toks) |
| 136211a9 | 543 | (progn |
| 3cedbf72 | 544 | (setq math-toks (cons (list s) math-toks)) |
| 136211a9 EZ |
545 | (or (memq (aref (car p) 0) calc-user-token-chars) |
| 546 | (setq calc-user-token-chars | |
| 547 | (cons (aref (car p) 0) | |
| 548 | calc-user-token-chars))))))) | |
| 549 | ((consp (car p)) | |
| 550 | (math-find-user-tokens (nth 1 (car p))) | |
| 551 | (or (eq (car (car p)) '\?) | |
| 552 | (math-find-user-tokens (nth 2 (car p)))))) | |
| 07ff2bc8 | 553 | (setq p (cdr p)))) |
| 136211a9 EZ |
554 | |
| 555 | (defun math-read-token () | |
| 3cedbf72 JB |
556 | (if (>= math-exp-pos (length math-exp-str)) |
| 557 | (setq math-exp-old-pos math-exp-pos | |
| 558 | math-exp-token 'end | |
| abd880c3 | 559 | math-expr-data "\000") |
| 3cedbf72 JB |
560 | (let ((ch (aref math-exp-str math-exp-pos))) |
| 561 | (setq math-exp-old-pos math-exp-pos) | |
| 136211a9 | 562 | (cond ((memq ch '(32 10 9)) |
| 3cedbf72 JB |
563 | (setq math-exp-pos (1+ math-exp-pos)) |
| 564 | (if math-exp-keep-spaces | |
| 565 | (setq math-exp-token 'space | |
| abd880c3 | 566 | math-expr-data " ") |
| 136211a9 EZ |
567 | (math-read-token))) |
| 568 | ((and (memq ch calc-user-token-chars) | |
| 569 | (let ((case-fold-search nil)) | |
| 3cedbf72 JB |
570 | (eq (string-match calc-user-tokens math-exp-str math-exp-pos) |
| 571 | math-exp-pos))) | |
| 572 | (setq math-exp-token 'punc | |
| 573 | math-expr-data (math-match-substring math-exp-str 0) | |
| 574 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
575 | ((or (and (>= ch ?a) (<= ch ?z)) |
| 576 | (and (>= ch ?A) (<= ch ?Z))) | |
| 577 | (string-match (if (memq calc-language '(c fortran pascal maple)) | |
| 578 | "[a-zA-Z0-9_#]*" | |
| 579 | "[a-zA-Z0-9'#]*") | |
| 3cedbf72 JB |
580 | math-exp-str math-exp-pos) |
| 581 | (setq math-exp-token 'symbol | |
| 582 | math-exp-pos (match-end 0) | |
| abd880c3 | 583 | math-expr-data (math-restore-dashes |
| 3cedbf72 | 584 | (math-match-substring math-exp-str 0))) |
| 136211a9 | 585 | (if (eq calc-language 'eqn) |
| abd880c3 | 586 | (let ((code (assoc math-expr-data math-eqn-ignore-words))) |
| 136211a9 EZ |
587 | (cond ((null code)) |
| 588 | ((null (cdr code)) | |
| 589 | (math-read-token)) | |
| 590 | ((consp (nth 1 code)) | |
| 591 | (math-read-token) | |
| abd880c3 JB |
592 | (if (assoc math-expr-data (cdr code)) |
| 593 | (setq math-expr-data (format "%s %s" | |
| 594 | (car code) math-expr-data)))) | |
| 136211a9 | 595 | ((eq (nth 1 code) 'punc) |
| 3cedbf72 | 596 | (setq math-exp-token 'punc |
| abd880c3 | 597 | math-expr-data (nth 2 code))) |
| 136211a9 EZ |
598 | (t |
| 599 | (math-read-token) | |
| 600 | (math-read-token)))))) | |
| 601 | ((or (and (>= ch ?0) (<= ch ?9)) | |
| 602 | (and (eq ch '?\.) | |
| 3cedbf72 JB |
603 | (eq (string-match "\\.[0-9]" math-exp-str math-exp-pos) |
| 604 | math-exp-pos)) | |
| 136211a9 | 605 | (and (eq ch '?_) |
| 3cedbf72 JB |
606 | (eq (string-match "_\\.?[0-9]" math-exp-str math-exp-pos) |
| 607 | math-exp-pos) | |
| 608 | (or (eq math-exp-pos 0) | |
| 136211a9 EZ |
609 | (and (memq calc-language '(nil flat big unform |
| 610 | tex eqn)) | |
| 611 | (eq (string-match "[^])}\"a-zA-Z0-9'$]_" | |
| 3cedbf72 JB |
612 | math-exp-str (1- math-exp-pos)) |
| 613 | (1- math-exp-pos)))))) | |
| 136211a9 | 614 | (or (and (eq calc-language 'c) |
| 3cedbf72 JB |
615 | (string-match "0[xX][0-9a-fA-F]+" math-exp-str math-exp-pos)) |
| 616 | (string-match "_?\\([0-9]+.?0*@ *\\)?\\([0-9]+.?0*' *\\)?\\(0*\\([2-9]\\|1[0-4]\\)\\(#\\|\\^\\^\\)[0-9a-dA-D.]+[eE][-+_]?[0-9]+\\|0*\\([2-9]\\|[0-2][0-9]\\|3[0-6]\\)\\(#\\|\\^\\^\\)[0-9a-zA-Z:.]+\\|[0-9]+:[0-9:]+\\|[0-9.]+\\([eE][-+_]?[0-9]+\\)?\"?\\)?" | |
| 617 | math-exp-str math-exp-pos)) | |
| 618 | (setq math-exp-token 'number | |
| 619 | math-expr-data (math-match-substring math-exp-str 0) | |
| 620 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
621 | ((eq ch ?\$) |
| 622 | (if (and (eq calc-language 'pascal) | |
| 623 | (eq (string-match | |
| 624 | "\\(\\$[0-9a-fA-F]+\\)\\($\\|[^0-9a-zA-Z]\\)" | |
| 3cedbf72 JB |
625 | math-exp-str math-exp-pos) |
| 626 | math-exp-pos)) | |
| 627 | (setq math-exp-token 'number | |
| 628 | math-expr-data (math-match-substring math-exp-str 1) | |
| 629 | math-exp-pos (match-end 1)) | |
| 630 | (if (eq (string-match "\\$\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) | |
| 631 | math-exp-pos) | |
| abd880c3 | 632 | (setq math-expr-data (- (string-to-int (math-match-substring |
| 3cedbf72 JB |
633 | math-exp-str 1)))) |
| 634 | (string-match "\\$+" math-exp-str math-exp-pos) | |
| abd880c3 | 635 | (setq math-expr-data (- (match-end 0) (match-beginning 0)))) |
| 3cedbf72 JB |
636 | (setq math-exp-token 'dollar |
| 637 | math-exp-pos (match-end 0)))) | |
| 136211a9 | 638 | ((eq ch ?\#) |
| 3cedbf72 JB |
639 | (if (eq (string-match "#\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) |
| 640 | math-exp-pos) | |
| abd880c3 | 641 | (setq math-expr-data (string-to-int |
| 3cedbf72 JB |
642 | (math-match-substring math-exp-str 1)) |
| 643 | math-exp-pos (match-end 0)) | |
| abd880c3 | 644 | (setq math-expr-data 1 |
| 3cedbf72 JB |
645 | math-exp-pos (1+ math-exp-pos))) |
| 646 | (setq math-exp-token 'hash)) | |
| 136211a9 | 647 | ((eq (string-match "~=\\|<=\\|>=\\|<>\\|/=\\|\\+/-\\|\\\\dots\\|\\\\ldots\\|\\*\\*\\|<<\\|>>\\|==\\|!=\\|&&&\\||||\\|!!!\\|&&\\|||\\|!!\\|:=\\|::\\|=>" |
| 3cedbf72 JB |
648 | math-exp-str math-exp-pos) |
| 649 | math-exp-pos) | |
| 650 | (setq math-exp-token 'punc | |
| 651 | math-expr-data (math-match-substring math-exp-str 0) | |
| 652 | math-exp-pos (match-end 0))) | |
| 136211a9 | 653 | ((and (eq ch ?\") |
| 3cedbf72 JB |
654 | (string-match "\\(\"\\([^\"\\]\\|\\\\.\\)*\\)\\(\"\\|\\'\\)" |
| 655 | math-exp-str math-exp-pos)) | |
| 136211a9 EZ |
656 | (if (eq calc-language 'eqn) |
| 657 | (progn | |
| 3cedbf72 JB |
658 | (setq math-exp-str (copy-sequence math-exp-str)) |
| 659 | (aset math-exp-str (match-beginning 1) ?\{) | |
| 660 | (if (< (match-end 1) (length math-exp-str)) | |
| 661 | (aset math-exp-str (match-end 1) ?\})) | |
| 136211a9 | 662 | (math-read-token)) |
| 3cedbf72 JB |
663 | (setq math-exp-token 'string |
| 664 | math-expr-data (math-match-substring math-exp-str 1) | |
| 665 | math-exp-pos (match-end 0)))) | |
| 136211a9 | 666 | ((and (= ch ?\\) (eq calc-language 'tex) |
| 3cedbf72 JB |
667 | (< math-exp-pos (1- (length math-exp-str)))) |
| 668 | (or (string-match "\\\\hbox *{\\([a-zA-Z0-9]+\\)}" | |
| 669 | math-exp-str math-exp-pos) | |
| 670 | (string-match "\\(\\\\\\([a-zA-Z]+\\|[^a-zA-Z]\\)\\)" | |
| 671 | math-exp-str math-exp-pos)) | |
| 672 | (setq math-exp-token 'symbol | |
| 673 | math-exp-pos (match-end 0) | |
| abd880c3 | 674 | math-expr-data (math-restore-dashes |
| 3cedbf72 | 675 | (math-match-substring math-exp-str 1))) |
| abd880c3 | 676 | (let ((code (assoc math-expr-data math-tex-ignore-words))) |
| 136211a9 EZ |
677 | (cond ((null code)) |
| 678 | ((null (cdr code)) | |
| 679 | (math-read-token)) | |
| 680 | ((eq (nth 1 code) 'punc) | |
| 3cedbf72 | 681 | (setq math-exp-token 'punc |
| abd880c3 | 682 | math-expr-data (nth 2 code))) |
| 136211a9 | 683 | ((and (eq (nth 1 code) 'mat) |
| 3cedbf72 JB |
684 | (string-match " *{" math-exp-str math-exp-pos)) |
| 685 | (setq math-exp-pos (match-end 0) | |
| 686 | math-exp-token 'punc | |
| abd880c3 | 687 | math-expr-data "[") |
| 3cedbf72 | 688 | (let ((right (string-match "}" math-exp-str math-exp-pos))) |
| 136211a9 | 689 | (and right |
| 3cedbf72 JB |
690 | (setq math-exp-str (copy-sequence math-exp-str)) |
| 691 | (aset math-exp-str right ?\]))))))) | |
| 136211a9 EZ |
692 | ((and (= ch ?\.) (eq calc-language 'fortran) |
| 693 | (eq (string-match "\\.[a-zA-Z][a-zA-Z][a-zA-Z]?\\." | |
| 3cedbf72 JB |
694 | math-exp-str math-exp-pos) math-exp-pos)) |
| 695 | (setq math-exp-token 'punc | |
| 696 | math-expr-data (upcase (math-match-substring math-exp-str 0)) | |
| 697 | math-exp-pos (match-end 0))) | |
| 136211a9 | 698 | ((and (eq calc-language 'math) |
| 3cedbf72 JB |
699 | (eq (string-match "\\[\\[\\|->\\|:>" math-exp-str math-exp-pos) |
| 700 | math-exp-pos)) | |
| 701 | (setq math-exp-token 'punc | |
| 702 | math-expr-data (math-match-substring math-exp-str 0) | |
| 703 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
704 | ((and (eq calc-language 'eqn) |
| 705 | (eq (string-match "->\\|<-\\|+-\\|\\\\dots\\|~\\|\\^" | |
| 3cedbf72 JB |
706 | math-exp-str math-exp-pos) |
| 707 | math-exp-pos)) | |
| 708 | (setq math-exp-token 'punc | |
| 709 | math-expr-data (math-match-substring math-exp-str 0) | |
| 710 | math-exp-pos (match-end 0)) | |
| 711 | (and (eq (string-match "\\\\dots\\." math-exp-str math-exp-pos) | |
| 712 | math-exp-pos) | |
| 713 | (setq math-exp-pos (match-end 0))) | |
| abd880c3 | 714 | (if (memq (aref math-expr-data 0) '(?~ ?^)) |
| 136211a9 | 715 | (math-read-token))) |
| 3cedbf72 JB |
716 | ((eq (string-match "%%.*$" math-exp-str math-exp-pos) math-exp-pos) |
| 717 | (setq math-exp-pos (match-end 0)) | |
| 136211a9 EZ |
718 | (math-read-token)) |
| 719 | (t | |
| 720 | (if (and (eq ch ?\{) (memq calc-language '(tex eqn))) | |
| 721 | (setq ch ?\()) | |
| 722 | (if (and (eq ch ?\}) (memq calc-language '(tex eqn))) | |
| 723 | (setq ch ?\))) | |
| 724 | (if (and (eq ch ?\&) (eq calc-language 'tex)) | |
| 725 | (setq ch ?\,)) | |
| 3cedbf72 | 726 | (setq math-exp-token 'punc |
| abd880c3 | 727 | math-expr-data (char-to-string ch) |
| 3cedbf72 | 728 | math-exp-pos (1+ math-exp-pos))))))) |
| 136211a9 EZ |
729 | |
| 730 | ||
| 731 | (defun math-read-expr-level (exp-prec &optional exp-term) | |
| 732 | (let* ((x (math-read-factor)) (first t) op op2) | |
| 733 | (while (and (or (and calc-user-parse-table | |
| 734 | (setq op (calc-check-user-syntax x exp-prec)) | |
| 735 | (setq x op | |
| 736 | op '("2x" ident 999999 -1))) | |
| abd880c3 | 737 | (and (setq op (assoc math-expr-data math-expr-opers)) |
| 136211a9 EZ |
738 | (/= (nth 2 op) -1) |
| 739 | (or (and (setq op2 (assoc | |
| abd880c3 | 740 | math-expr-data |
| 136211a9 EZ |
741 | (cdr (memq op math-expr-opers)))) |
| 742 | (eq (= (nth 3 op) -1) | |
| 743 | (/= (nth 3 op2) -1)) | |
| 744 | (eq (= (nth 3 op2) -1) | |
| 745 | (not (math-factor-after))) | |
| 746 | (setq op op2)) | |
| 747 | t)) | |
| 748 | (and (or (eq (nth 2 op) -1) | |
| 3cedbf72 | 749 | (memq math-exp-token '(symbol number dollar hash)) |
| abd880c3 JB |
750 | (equal math-expr-data "(") |
| 751 | (and (equal math-expr-data "[") | |
| 136211a9 | 752 | (not (eq calc-language 'math)) |
| 3cedbf72 | 753 | (not (and math-exp-keep-spaces |
| 136211a9 | 754 | (eq (car-safe x) 'vec))))) |
| abd880c3 | 755 | (or (not (setq op (assoc math-expr-data math-expr-opers))) |
| 136211a9 EZ |
756 | (/= (nth 2 op) -1)) |
| 757 | (or (not calc-user-parse-table) | |
| 3cedbf72 | 758 | (not (eq math-exp-token 'symbol)) |
| 136211a9 EZ |
759 | (let ((p calc-user-parse-table)) |
| 760 | (while (and p | |
| 761 | (or (not (integerp | |
| 762 | (car (car (car p))))) | |
| 763 | (not (equal | |
| 764 | (nth 1 (car (car p))) | |
| abd880c3 | 765 | math-expr-data)))) |
| 136211a9 EZ |
766 | (setq p (cdr p))) |
| 767 | (not p))) | |
| 768 | (setq op (assoc "2x" math-expr-opers)))) | |
| abd880c3 | 769 | (not (and exp-term (equal math-expr-data exp-term))) |
| 136211a9 EZ |
770 | (>= (nth 2 op) exp-prec)) |
| 771 | (if (not (equal (car op) "2x")) | |
| 772 | (math-read-token)) | |
| 773 | (and (memq (nth 1 op) '(sdev mod)) | |
| 774 | (calc-extensions)) | |
| 775 | (setq x (cond ((consp (nth 1 op)) | |
| 776 | (funcall (car (nth 1 op)) x op)) | |
| 777 | ((eq (nth 3 op) -1) | |
| 778 | (if (eq (nth 1 op) 'ident) | |
| 779 | x | |
| 780 | (if (eq (nth 1 op) 'closing) | |
| 781 | (if (eq (nth 2 op) exp-prec) | |
| 782 | (progn | |
| 783 | (setq exp-prec 1000) | |
| 784 | x) | |
| 785 | (throw 'syntax "Mismatched delimiters")) | |
| 786 | (list (nth 1 op) x)))) | |
| 787 | ((and (not first) | |
| 788 | (memq (nth 1 op) math-alg-inequalities) | |
| 789 | (memq (car-safe x) math-alg-inequalities)) | |
| 790 | (calc-extensions) | |
| 791 | (math-composite-inequalities x op)) | |
| 792 | (t (list (nth 1 op) | |
| 793 | x | |
| 794 | (math-read-expr-level (nth 3 op) exp-term)))) | |
| 795 | first nil)) | |
| 07ff2bc8 | 796 | x)) |
| 136211a9 EZ |
797 | |
| 798 | (defun calc-check-user-syntax (&optional x prec) | |
| 799 | (let ((p calc-user-parse-table) | |
| 800 | (matches nil) | |
| 801 | match rule) | |
| 802 | (while (and p | |
| 803 | (or (not (progn | |
| 804 | (setq rule (car (car p))) | |
| 805 | (if x | |
| 806 | (and (integerp (car rule)) | |
| 807 | (>= (car rule) prec) | |
| abd880c3 | 808 | (equal math-expr-data |
| 136211a9 | 809 | (car (setq rule (cdr rule))))) |
| abd880c3 | 810 | (equal math-expr-data (car rule))))) |
| 3cedbf72 JB |
811 | (let ((save-exp-pos math-exp-pos) |
| 812 | (save-exp-old-pos math-exp-old-pos) | |
| 813 | (save-exp-token math-exp-token) | |
| abd880c3 | 814 | (save-exp-data math-expr-data)) |
| 136211a9 EZ |
815 | (or (not (listp |
| 816 | (setq matches (calc-match-user-syntax rule)))) | |
| 817 | (let ((args (progn | |
| 818 | (calc-extensions) | |
| 819 | calc-arg-values)) | |
| 820 | (conds nil) | |
| 821 | temp) | |
| 822 | (if x | |
| 823 | (setq matches (cons x matches))) | |
| 824 | (setq match (cdr (car p))) | |
| 825 | (while (and (eq (car-safe match) | |
| 826 | 'calcFunc-condition) | |
| 827 | (= (length match) 3)) | |
| 828 | (setq conds (append (math-flatten-lands | |
| 829 | (nth 2 match)) | |
| 830 | conds) | |
| 831 | match (nth 1 match))) | |
| 832 | (while (and conds match) | |
| 833 | (calc-extensions) | |
| 834 | (cond ((eq (car-safe (car conds)) | |
| 835 | 'calcFunc-let) | |
| 836 | (setq temp (car conds)) | |
| 837 | (or (= (length temp) 3) | |
| 838 | (and (= (length temp) 2) | |
| 839 | (eq (car-safe (nth 1 temp)) | |
| 840 | 'calcFunc-assign) | |
| 841 | (= (length (nth 1 temp)) 3) | |
| 842 | (setq temp (nth 1 temp))) | |
| 843 | (setq match nil)) | |
| 844 | (setq matches (cons | |
| 845 | (math-normalize | |
| 846 | (math-multi-subst | |
| 847 | (nth 2 temp) | |
| 848 | args matches)) | |
| 849 | matches) | |
| 850 | args (cons (nth 1 temp) | |
| 851 | args))) | |
| 852 | ((and (eq (car-safe (car conds)) | |
| 853 | 'calcFunc-matches) | |
| 854 | (= (length (car conds)) 3)) | |
| 855 | (setq temp (calcFunc-vmatches | |
| 856 | (math-multi-subst | |
| 857 | (nth 1 (car conds)) | |
| 858 | args matches) | |
| 859 | (nth 2 (car conds)))) | |
| 860 | (if (eq temp 0) | |
| 861 | (setq match nil) | |
| 862 | (while (setq temp (cdr temp)) | |
| 863 | (setq matches (cons (nth 2 (car temp)) | |
| 864 | matches) | |
| 865 | args (cons (nth 1 (car temp)) | |
| 866 | args))))) | |
| 867 | (t | |
| 868 | (or (math-is-true (math-simplify | |
| 869 | (math-multi-subst | |
| 870 | (car conds) | |
| 871 | args matches))) | |
| 872 | (setq match nil)))) | |
| 873 | (setq conds (cdr conds))) | |
| 874 | (if match | |
| 875 | (not (setq match (math-multi-subst | |
| 876 | match args matches))) | |
| 3cedbf72 JB |
877 | (setq math-exp-old-pos save-exp-old-pos |
| 878 | math-exp-token save-exp-token | |
| abd880c3 | 879 | math-expr-data save-exp-data |
| 3cedbf72 | 880 | math-exp-pos save-exp-pos))))))) |
| 136211a9 | 881 | (setq p (cdr p))) |
| 07ff2bc8 | 882 | (and p match))) |
| 136211a9 EZ |
883 | |
| 884 | (defun calc-match-user-syntax (p &optional term) | |
| 885 | (let ((matches nil) | |
| 3cedbf72 JB |
886 | (save-exp-pos math-exp-pos) |
| 887 | (save-exp-old-pos math-exp-old-pos) | |
| 888 | (save-exp-token math-exp-token) | |
| 889 | (save-exp-data math-expr-data) | |
| 890 | m) | |
| 136211a9 EZ |
891 | (while (and p |
| 892 | (cond ((stringp (car p)) | |
| abd880c3 | 893 | (and (equal math-expr-data (car p)) |
| 136211a9 EZ |
894 | (progn |
| 895 | (math-read-token) | |
| 896 | t))) | |
| 897 | ((integerp (car p)) | |
| 898 | (and (setq m (catch 'syntax | |
| 899 | (math-read-expr-level | |
| 900 | (car p) | |
| 901 | (if (cdr p) | |
| 902 | (if (consp (nth 1 p)) | |
| 903 | (car (nth 1 (nth 1 p))) | |
| 904 | (nth 1 p)) | |
| 905 | term)))) | |
| 906 | (not (stringp m)) | |
| 907 | (setq matches (nconc matches (list m))))) | |
| 908 | ((eq (car (car p)) '\?) | |
| 909 | (setq m (calc-match-user-syntax (nth 1 (car p)))) | |
| 910 | (or (nth 2 (car p)) | |
| 911 | (setq matches | |
| 912 | (nconc matches | |
| 913 | (list | |
| 914 | (cons 'vec (and (listp m) m)))))) | |
| 915 | (or (listp m) (not (nth 2 (car p))) | |
| 916 | (not (eq (aref (car (nth 2 (car p))) 0) ?\$)) | |
| 3cedbf72 | 917 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
918 | (t |
| 919 | (setq m (calc-match-user-syntax (nth 1 (car p)) | |
| 920 | (car (nth 2 (car p))))) | |
| 921 | (if (listp m) | |
| 922 | (let ((vec (cons 'vec m)) | |
| 923 | opos mm) | |
| 924 | (while (and (listp | |
| 3cedbf72 | 925 | (setq opos math-exp-pos |
| 136211a9 EZ |
926 | mm (calc-match-user-syntax |
| 927 | (or (nth 2 (car p)) | |
| 928 | (nth 1 (car p))) | |
| 929 | (car (nth 2 (car p)))))) | |
| 3cedbf72 | 930 | (> math-exp-pos opos)) |
| 136211a9 EZ |
931 | (setq vec (nconc vec mm))) |
| 932 | (setq matches (nconc matches (list vec)))) | |
| 933 | (and (eq (car (car p)) '*) | |
| 934 | (setq matches (nconc matches (list '(vec))))))))) | |
| 935 | (setq p (cdr p))) | |
| 936 | (if p | |
| 3cedbf72 JB |
937 | (setq math-exp-pos save-exp-pos |
| 938 | math-exp-old-pos save-exp-old-pos | |
| 939 | math-exp-token save-exp-token | |
| abd880c3 | 940 | math-expr-data save-exp-data |
| 136211a9 | 941 | matches "Failed")) |
| 07ff2bc8 | 942 | matches)) |
| 136211a9 EZ |
943 | |
| 944 | (defconst math-alg-inequalities | |
| 945 | '(calcFunc-lt calcFunc-gt calcFunc-leq calcFunc-geq | |
| 946 | calcFunc-eq calcFunc-neq)) | |
| 947 | ||
| 948 | (defun math-remove-dashes (x) | |
| 949 | (if (string-match "\\`\\(.*\\)-\\(.*\\)\\'" x) | |
| 950 | (math-remove-dashes | |
| 951 | (concat (math-match-substring x 1) "#" (math-match-substring x 2))) | |
| 07ff2bc8 | 952 | x)) |
| 136211a9 EZ |
953 | |
| 954 | (defun math-restore-dashes (x) | |
| 955 | (if (string-match "\\`\\(.*\\)[#_]\\(.*\\)\\'" x) | |
| 956 | (math-restore-dashes | |
| 957 | (concat (math-match-substring x 1) "-" (math-match-substring x 2))) | |
| 07ff2bc8 | 958 | x)) |
| 136211a9 EZ |
959 | |
| 960 | (defun math-read-if (cond op) | |
| 961 | (let ((then (math-read-expr-level 0))) | |
| abd880c3 | 962 | (or (equal math-expr-data ":") |
| 136211a9 EZ |
963 | (throw 'syntax "Expected ':'")) |
| 964 | (math-read-token) | |
| 07ff2bc8 | 965 | (list 'calcFunc-if cond then (math-read-expr-level (nth 3 op))))) |
| 136211a9 EZ |
966 | |
| 967 | (defun math-factor-after () | |
| 3cedbf72 JB |
968 | (let ((math-exp-pos math-exp-pos) |
| 969 | math-exp-old-pos math-exp-token math-expr-data) | |
| 136211a9 | 970 | (math-read-token) |
| 3cedbf72 | 971 | (or (memq math-exp-token '(number symbol dollar hash string)) |
| abd880c3 JB |
972 | (and (assoc math-expr-data '(("-") ("+") ("!") ("|") ("/"))) |
| 973 | (assoc (concat "u" math-expr-data) math-expr-opers)) | |
| 974 | (eq (nth 2 (assoc math-expr-data math-expr-opers)) -1) | |
| 975 | (assoc math-expr-data '(("(") ("[") ("{")))))) | |
| 136211a9 EZ |
976 | |
| 977 | (defun math-read-factor () | |
| 978 | (let (op) | |
| 3cedbf72 | 979 | (cond ((eq math-exp-token 'number) |
| abd880c3 | 980 | (let ((num (math-read-number math-expr-data))) |
| 136211a9 EZ |
981 | (if (not num) |
| 982 | (progn | |
| 3cedbf72 | 983 | (setq math-exp-old-pos math-exp-pos) |
| 136211a9 EZ |
984 | (throw 'syntax "Bad format"))) |
| 985 | (math-read-token) | |
| 986 | (if (and math-read-expr-quotes | |
| 987 | (consp num)) | |
| 988 | (list 'quote num) | |
| 989 | num))) | |
| 990 | ((and calc-user-parse-table | |
| 991 | (setq op (calc-check-user-syntax))) | |
| 992 | op) | |
| abd880c3 JB |
993 | ((or (equal math-expr-data "-") |
| 994 | (equal math-expr-data "+") | |
| 995 | (equal math-expr-data "!") | |
| 996 | (equal math-expr-data "|") | |
| 997 | (equal math-expr-data "/")) | |
| 998 | (setq math-expr-data (concat "u" math-expr-data)) | |
| 136211a9 | 999 | (math-read-factor)) |
| abd880c3 | 1000 | ((and (setq op (assoc math-expr-data math-expr-opers)) |
| 136211a9 EZ |
1001 | (eq (nth 2 op) -1)) |
| 1002 | (if (consp (nth 1 op)) | |
| 1003 | (funcall (car (nth 1 op)) op) | |
| 1004 | (math-read-token) | |
| 1005 | (let ((val (math-read-expr-level (nth 3 op)))) | |
| 1006 | (cond ((eq (nth 1 op) 'ident) | |
| 1007 | val) | |
| 1008 | ((and (Math-numberp val) | |
| 1009 | (equal (car op) "u-")) | |
| 1010 | (math-neg val)) | |
| 1011 | (t (list (nth 1 op) val)))))) | |
| 3cedbf72 | 1012 | ((eq math-exp-token 'symbol) |
| abd880c3 | 1013 | (let ((sym (intern math-expr-data))) |
| 136211a9 | 1014 | (math-read-token) |
| abd880c3 | 1015 | (if (equal math-expr-data calc-function-open) |
| 136211a9 EZ |
1016 | (let ((f (assq sym math-expr-function-mapping))) |
| 1017 | (math-read-token) | |
| 1018 | (if (consp (cdr f)) | |
| 1019 | (funcall (car (cdr f)) f sym) | |
| abd880c3 | 1020 | (let ((args (if (or (equal math-expr-data calc-function-close) |
| 3cedbf72 | 1021 | (eq math-exp-token 'end)) |
| 136211a9 EZ |
1022 | nil |
| 1023 | (math-read-expr-list)))) | |
| abd880c3 | 1024 | (if (not (or (equal math-expr-data calc-function-close) |
| 3cedbf72 | 1025 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
1026 | (throw 'syntax "Expected `)'")) |
| 1027 | (math-read-token) | |
| 1028 | (if (and (eq calc-language 'fortran) args | |
| 1029 | (calc-extensions) | |
| 1030 | (let ((calc-matrix-mode 'scalar)) | |
| 1031 | (math-known-matrixp | |
| 1032 | (list 'var sym | |
| 1033 | (intern | |
| 1034 | (concat "var-" | |
| 1035 | (symbol-name sym))))))) | |
| 1036 | (math-parse-fortran-subscr sym args) | |
| 1037 | (if f | |
| 1038 | (setq sym (cdr f)) | |
| 1039 | (and (= (aref (symbol-name sym) 0) ?\\) | |
| 1040 | (< (prefix-numeric-value calc-language-option) | |
| 1041 | 0) | |
| 1042 | (setq sym (intern (substring (symbol-name sym) | |
| 1043 | 1)))) | |
| 1044 | (or (string-match "-" (symbol-name sym)) | |
| 1045 | (setq sym (intern | |
| 1046 | (concat "calcFunc-" | |
| 1047 | (symbol-name sym)))))) | |
| 1048 | (cons sym args))))) | |
| 1049 | (if math-read-expr-quotes | |
| 1050 | sym | |
| 1051 | (let ((val (list 'var | |
| 1052 | (intern (math-remove-dashes | |
| 1053 | (symbol-name sym))) | |
| 1054 | (if (string-match "-" (symbol-name sym)) | |
| 1055 | sym | |
| 1056 | (intern (concat "var-" | |
| 1057 | (symbol-name sym))))))) | |
| 1058 | (let ((v (assq (nth 1 val) math-expr-variable-mapping))) | |
| 1059 | (and v (setq val (if (consp (cdr v)) | |
| 1060 | (funcall (car (cdr v)) v val) | |
| 1061 | (list 'var | |
| 1062 | (intern | |
| 1063 | (substring (symbol-name (cdr v)) | |
| 1064 | 4)) | |
| 1065 | (cdr v)))))) | |
| 1066 | (while (and (memq calc-language '(c pascal maple)) | |
| abd880c3 | 1067 | (equal math-expr-data "[")) |
| 136211a9 EZ |
1068 | (math-read-token) |
| 1069 | (setq val (append (list 'calcFunc-subscr val) | |
| 1070 | (math-read-expr-list))) | |
| abd880c3 | 1071 | (if (equal math-expr-data "]") |
| 136211a9 EZ |
1072 | (math-read-token) |
| 1073 | (throw 'syntax "Expected ']'"))) | |
| 1074 | val))))) | |
| 3cedbf72 | 1075 | ((eq math-exp-token 'dollar) |
| abd880c3 | 1076 | (let ((abs (if (> math-expr-data 0) math-expr-data (- math-expr-data)))) |
| 136211a9 | 1077 | (if (>= (length calc-dollar-values) abs) |
| abd880c3 | 1078 | (let ((num math-expr-data)) |
| 136211a9 EZ |
1079 | (math-read-token) |
| 1080 | (setq calc-dollar-used (max calc-dollar-used num)) | |
| 1081 | (math-check-complete (nth (1- abs) calc-dollar-values))) | |
| 1082 | (throw 'syntax (if calc-dollar-values | |
| 1083 | "Too many $'s" | |
| 1084 | "$'s not allowed in this context"))))) | |
| 3cedbf72 | 1085 | ((eq math-exp-token 'hash) |
| 136211a9 EZ |
1086 | (or calc-hashes-used |
| 1087 | (throw 'syntax "#'s not allowed in this context")) | |
| 1088 | (calc-extensions) | |
| abd880c3 JB |
1089 | (if (<= math-expr-data (length calc-arg-values)) |
| 1090 | (let ((num math-expr-data)) | |
| 136211a9 EZ |
1091 | (math-read-token) |
| 1092 | (setq calc-hashes-used (max calc-hashes-used num)) | |
| 1093 | (nth (1- num) calc-arg-values)) | |
| 1094 | (throw 'syntax "Too many # arguments"))) | |
| abd880c3 | 1095 | ((equal math-expr-data "(") |
| 3cedbf72 | 1096 | (let* ((exp (let ((math-exp-keep-spaces nil)) |
| 136211a9 | 1097 | (math-read-token) |
| abd880c3 JB |
1098 | (if (or (equal math-expr-data "\\dots") |
| 1099 | (equal math-expr-data "\\ldots")) | |
| 136211a9 EZ |
1100 | '(neg (var inf var-inf)) |
| 1101 | (math-read-expr-level 0))))) | |
| 3cedbf72 | 1102 | (let ((math-exp-keep-spaces nil)) |
| 136211a9 | 1103 | (cond |
| abd880c3 | 1104 | ((equal math-expr-data ",") |
| 136211a9 EZ |
1105 | (progn |
| 1106 | (math-read-token) | |
| 1107 | (let ((exp2 (math-read-expr-level 0))) | |
| 1108 | (setq exp | |
| 1109 | (if (and exp2 (Math-realp exp) (Math-realp exp2)) | |
| 1110 | (math-normalize (list 'cplx exp exp2)) | |
| 1111 | (list '+ exp (list '* exp2 '(var i var-i)))))))) | |
| abd880c3 | 1112 | ((equal math-expr-data ";") |
| 136211a9 EZ |
1113 | (progn |
| 1114 | (math-read-token) | |
| 1115 | (let ((exp2 (math-read-expr-level 0))) | |
| 1116 | (setq exp (if (and exp2 (Math-realp exp) | |
| 1117 | (Math-anglep exp2)) | |
| 1118 | (math-normalize (list 'polar exp exp2)) | |
| 1119 | (calc-extensions) | |
| 1120 | (list '* exp | |
| 1121 | (list 'calcFunc-exp | |
| 1122 | (list '* | |
| 1123 | (math-to-radians-2 exp2) | |
| 1124 | '(var i var-i))))))))) | |
| abd880c3 JB |
1125 | ((or (equal math-expr-data "\\dots") |
| 1126 | (equal math-expr-data "\\ldots")) | |
| 136211a9 EZ |
1127 | (progn |
| 1128 | (math-read-token) | |
| abd880c3 JB |
1129 | (let ((exp2 (if (or (equal math-expr-data ")") |
| 1130 | (equal math-expr-data "]") | |
| 3cedbf72 | 1131 | (eq math-exp-token 'end)) |
| 136211a9 EZ |
1132 | '(var inf var-inf) |
| 1133 | (math-read-expr-level 0)))) | |
| 1134 | (setq exp | |
| 1135 | (list 'intv | |
| abd880c3 | 1136 | (if (equal math-expr-data ")") 0 1) |
| 136211a9 EZ |
1137 | exp |
| 1138 | exp2))))))) | |
| abd880c3 JB |
1139 | (if (not (or (equal math-expr-data ")") |
| 1140 | (and (equal math-expr-data "]") (eq (car-safe exp) 'intv)) | |
| 3cedbf72 | 1141 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
1142 | (throw 'syntax "Expected `)'")) |
| 1143 | (math-read-token) | |
| 1144 | exp)) | |
| 3cedbf72 | 1145 | ((eq math-exp-token 'string) |
| 136211a9 EZ |
1146 | (calc-extensions) |
| 1147 | (math-read-string)) | |
| abd880c3 | 1148 | ((equal math-expr-data "[") |
| 136211a9 EZ |
1149 | (calc-extensions) |
| 1150 | (math-read-brackets t "]")) | |
| abd880c3 | 1151 | ((equal math-expr-data "{") |
| 136211a9 EZ |
1152 | (calc-extensions) |
| 1153 | (math-read-brackets nil "}")) | |
| abd880c3 | 1154 | ((equal math-expr-data "<") |
| 136211a9 EZ |
1155 | (calc-extensions) |
| 1156 | (math-read-angle-brackets)) | |
| 07ff2bc8 | 1157 | (t (throw 'syntax "Expected a number"))))) |
| 136211a9 | 1158 | |
| ab5796a9 | 1159 | ;;; arch-tag: 5599e45d-e51e-44bb-9a20-9f4ed8c96c32 |
| 07ff2bc8 | 1160 | ;;; calc-aent.el ends here |