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. | |
| 136211a9 | 30 | |
| 5eb3eeda | 31 | (require 'calc) |
| 136211a9 EZ |
32 | (require 'calc-macs) |
| 33 | ||
| 136211a9 EZ |
34 | (defun calc-do-quick-calc () |
| 35 | (calc-check-defines) | |
| 36 | (if (eq major-mode 'calc-mode) | |
| 37 | (calc-algebraic-entry t) | |
| 38 | (let (buf shortbuf) | |
| 39 | (save-excursion | |
| 40 | (calc-create-buffer) | |
| 41 | (let* ((calc-command-flags nil) | |
| 42 | (calc-dollar-values calc-quick-prev-results) | |
| 43 | (calc-dollar-used 0) | |
| 44 | (enable-recursive-minibuffers t) | |
| 45 | (calc-language (if (memq calc-language '(nil big)) | |
| 46 | 'flat calc-language)) | |
| 47 | (entry (calc-do-alg-entry "" "Quick calc: " t)) | |
| 48 | (alg-exp (mapcar (function | |
| 49 | (lambda (x) | |
| 5eb3eeda | 50 | (if (and (not (featurep 'calc-ext)) |
| 136211a9 EZ |
51 | calc-previous-alg-entry |
| 52 | (string-match | |
| 53 | "\\`[-0-9._+*/^() ]+\\'" | |
| 54 | calc-previous-alg-entry)) | |
| 55 | (calc-normalize x) | |
| 5eb3eeda | 56 | (require 'calc-ext) |
| 136211a9 EZ |
57 | (math-evaluate-expr x)))) |
| 58 | entry))) | |
| 3132f345 CW |
59 | (when (and (= (length alg-exp) 1) |
| 60 | (eq (car-safe (car alg-exp)) 'calcFunc-assign) | |
| 61 | (= (length (car alg-exp)) 3) | |
| 62 | (eq (car-safe (nth 1 (car alg-exp))) 'var)) | |
| 5eb3eeda | 63 | (require 'calc-ext) |
| 3132f345 CW |
64 | (set (nth 2 (nth 1 (car alg-exp))) (nth 2 (car alg-exp))) |
| 65 | (calc-refresh-evaltos (nth 2 (nth 1 (car alg-exp)))) | |
| 66 | (setq alg-exp (list (nth 2 (car alg-exp))))) | |
| 136211a9 EZ |
67 | (setq calc-quick-prev-results alg-exp |
| 68 | buf (mapconcat (function (lambda (x) | |
| 69 | (math-format-value x 1000))) | |
| 70 | alg-exp | |
| 71 | " ") | |
| 72 | shortbuf buf) | |
| 73 | (if (and (= (length alg-exp) 1) | |
| 74 | (memq (car-safe (car alg-exp)) '(nil bigpos bigneg)) | |
| 75 | (< (length buf) 20) | |
| 76 | (= calc-number-radix 10)) | |
| 77 | (setq buf (concat buf " (" | |
| 78 | (let ((calc-number-radix 16)) | |
| 79 | (math-format-value (car alg-exp) 1000)) | |
| 80 | ", " | |
| 81 | (let ((calc-number-radix 8)) | |
| 82 | (math-format-value (car alg-exp) 1000)) | |
| 83 | (if (and (integerp (car alg-exp)) | |
| 84 | (> (car alg-exp) 0) | |
| 85 | (< (car alg-exp) 127)) | |
| 86 | (format ", \"%c\"" (car alg-exp)) | |
| 87 | "") | |
| 88 | ")"))) | |
| f20be8fe | 89 | (if (and (< (length buf) (frame-width)) (= (length entry) 1) |
| 5eb3eeda | 90 | (featurep 'calc-ext)) |
| 136211a9 EZ |
91 | (let ((long (concat (math-format-value (car entry) 1000) |
| 92 | " => " buf))) | |
| f20be8fe | 93 | (if (<= (length long) (- (frame-width) 8)) |
| 136211a9 EZ |
94 | (setq buf long)))) |
| 95 | (calc-handle-whys) | |
| 96 | (message "Result: %s" buf))) | |
| 97 | (if (eq last-command-char 10) | |
| 98 | (insert shortbuf) | |
| 3cedbf72 | 99 | (kill-new shortbuf))))) |
| 136211a9 EZ |
100 | |
| 101 | (defun calc-do-calc-eval (str separator args) | |
| 102 | (calc-check-defines) | |
| 103 | (catch 'calc-error | |
| 104 | (save-excursion | |
| 105 | (calc-create-buffer) | |
| 106 | (cond | |
| 107 | ((and (consp str) (not (symbolp (car str)))) | |
| 108 | (let ((calc-language nil) | |
| 109 | (math-expr-opers math-standard-opers) | |
| 110 | (calc-internal-prec 12) | |
| 111 | (calc-word-size 32) | |
| 112 | (calc-symbolic-mode nil) | |
| 113 | (calc-matrix-mode nil) | |
| 114 | (calc-angle-mode 'deg) | |
| 115 | (calc-number-radix 10) | |
| 116 | (calc-leading-zeros nil) | |
| 117 | (calc-group-digits nil) | |
| 118 | (calc-point-char ".") | |
| 119 | (calc-frac-format '(":" nil)) | |
| 120 | (calc-prefer-frac nil) | |
| 121 | (calc-hms-format "%s@ %s' %s\"") | |
| 122 | (calc-date-format '((H ":" mm C SS pp " ") | |
| 123 | Www " " Mmm " " D ", " YYYY)) | |
| 124 | (calc-float-format '(float 0)) | |
| 125 | (calc-full-float-format '(float 0)) | |
| 126 | (calc-complex-format nil) | |
| 127 | (calc-matrix-just nil) | |
| 128 | (calc-full-vectors t) | |
| 129 | (calc-break-vectors nil) | |
| 130 | (calc-vector-commas ",") | |
| 131 | (calc-vector-brackets "[]") | |
| 132 | (calc-matrix-brackets '(R O)) | |
| 133 | (calc-complex-mode 'cplx) | |
| 134 | (calc-infinite-mode nil) | |
| 135 | (calc-display-strings nil) | |
| 136 | (calc-simplify-mode nil) | |
| 137 | (calc-display-working-message 'lots) | |
| 138 | (strp (cdr str))) | |
| 139 | (while strp | |
| 140 | (set (car strp) (nth 1 strp)) | |
| 141 | (setq strp (cdr (cdr strp)))) | |
| 142 | (calc-do-calc-eval (car str) separator args))) | |
| 143 | ((eq separator 'eval) | |
| 144 | (eval str)) | |
| 145 | ((eq separator 'macro) | |
| 5eb3eeda | 146 | (require 'calc-ext) |
| 136211a9 EZ |
147 | (let* ((calc-buffer (current-buffer)) |
| 148 | (calc-window (get-buffer-window calc-buffer)) | |
| 149 | (save-window (selected-window))) | |
| 150 | (if calc-window | |
| 151 | (unwind-protect | |
| 152 | (progn | |
| 153 | (select-window calc-window) | |
| 154 | (calc-execute-kbd-macro str nil (car args))) | |
| 155 | (and (window-point save-window) | |
| 156 | (select-window save-window))) | |
| 157 | (save-window-excursion | |
| 158 | (select-window (get-largest-window)) | |
| 159 | (switch-to-buffer calc-buffer) | |
| 160 | (calc-execute-kbd-macro str nil (car args))))) | |
| 161 | nil) | |
| 162 | ((eq separator 'pop) | |
| 163 | (or (not (integerp str)) | |
| 164 | (= str 0) | |
| 165 | (calc-pop (min str (calc-stack-size)))) | |
| 166 | (calc-stack-size)) | |
| 167 | ((eq separator 'top) | |
| 168 | (and (integerp str) | |
| 169 | (> str 0) | |
| 170 | (<= str (calc-stack-size)) | |
| 171 | (math-format-value (calc-top-n str (car args)) 1000))) | |
| 172 | ((eq separator 'rawtop) | |
| 173 | (and (integerp str) | |
| 174 | (> str 0) | |
| 175 | (<= str (calc-stack-size)) | |
| 176 | (calc-top-n str (car args)))) | |
| 177 | (t | |
| 178 | (let* ((calc-command-flags nil) | |
| 179 | (calc-next-why nil) | |
| 180 | (calc-language (if (memq calc-language '(nil big)) | |
| 181 | 'flat calc-language)) | |
| 182 | (calc-dollar-values (mapcar | |
| 183 | (function | |
| 184 | (lambda (x) | |
| 185 | (if (stringp x) | |
| 186 | (progn | |
| 187 | (setq x (math-read-exprs x)) | |
| 188 | (if (eq (car-safe x) | |
| 189 | 'error) | |
| 190 | (throw 'calc-error | |
| 191 | (calc-eval-error | |
| 192 | (cdr x))) | |
| 193 | (car x))) | |
| 194 | x))) | |
| 195 | args)) | |
| 196 | (calc-dollar-used 0) | |
| 197 | (res (if (stringp str) | |
| 198 | (math-read-exprs str) | |
| 199 | (list str))) | |
| 200 | buf) | |
| 201 | (if (eq (car res) 'error) | |
| 202 | (calc-eval-error (cdr res)) | |
| 203 | (setq res (mapcar 'calc-normalize res)) | |
| 204 | (and (memq 'clear-message calc-command-flags) | |
| 205 | (message "")) | |
| 206 | (cond ((eq separator 'pred) | |
| 5eb3eeda | 207 | (require 'calc-ext) |
| 136211a9 EZ |
208 | (if (= (length res) 1) |
| 209 | (math-is-true (car res)) | |
| 210 | (calc-eval-error '(0 "Single value expected")))) | |
| 211 | ((eq separator 'raw) | |
| 212 | (if (= (length res) 1) | |
| 213 | (car res) | |
| 214 | (calc-eval-error '(0 "Single value expected")))) | |
| 215 | ((eq separator 'list) | |
| 216 | res) | |
| 217 | ((memq separator '(num rawnum)) | |
| 218 | (if (= (length res) 1) | |
| 219 | (if (math-constp (car res)) | |
| 220 | (if (eq separator 'num) | |
| 221 | (math-format-value (car res) 1000) | |
| 222 | (car res)) | |
| 223 | (calc-eval-error | |
| 224 | (list 0 | |
| 225 | (if calc-next-why | |
| 226 | (calc-explain-why (car calc-next-why)) | |
| 227 | "Number expected")))) | |
| 228 | (calc-eval-error '(0 "Single value expected")))) | |
| 229 | ((eq separator 'push) | |
| 230 | (calc-push-list res) | |
| 231 | nil) | |
| 232 | (t (while res | |
| 233 | (setq buf (concat buf | |
| 234 | (and buf (or separator ", ")) | |
| 235 | (math-format-value (car res) 1000)) | |
| 236 | res (cdr res))) | |
| 07ff2bc8 | 237 | buf))))))))) |
| 136211a9 | 238 | |
| d37f2979 JB |
239 | (defvar calc-eval-error nil |
| 240 | "Determines how calc handles errors. | |
| 241 | NIL means return a list containing the character position of error. | |
| 242 | STRING means return error message as string rather than list. | |
| 243 | T means abort and give an error message.") | |
| 244 | ||
| 136211a9 | 245 | (defun calc-eval-error (msg) |
| d37f2979 | 246 | (if calc-eval-error |
| 136211a9 EZ |
247 | (if (eq calc-eval-error 'string) |
| 248 | (nth 1 msg) | |
| 249 | (error "%s" (nth 1 msg))) | |
| 07ff2bc8 | 250 | msg)) |
| 136211a9 EZ |
251 | |
| 252 | ||
| 253 | ;;;; Reading an expression in algebraic form. | |
| 254 | ||
| 255 | (defun calc-auto-algebraic-entry (&optional prefix) | |
| 256 | (interactive "P") | |
| 07ff2bc8 | 257 | (calc-algebraic-entry prefix t)) |
| 136211a9 EZ |
258 | |
| 259 | (defun calc-algebraic-entry (&optional prefix auto) | |
| 260 | (interactive "P") | |
| 261 | (calc-wrapper | |
| 262 | (let ((calc-language (if prefix nil calc-language)) | |
| 263 | (math-expr-opers (if prefix math-standard-opers math-expr-opers))) | |
| 07ff2bc8 | 264 | (calc-alg-entry (and auto (char-to-string last-command-char)))))) |
| 136211a9 EZ |
265 | |
| 266 | (defun calc-alg-entry (&optional initial prompt) | |
| 267 | (let* ((sel-mode nil) | |
| 268 | (calc-dollar-values (mapcar 'calc-get-stack-element | |
| 269 | (nthcdr calc-stack-top calc-stack))) | |
| 270 | (calc-dollar-used 0) | |
| 271 | (calc-plain-entry t) | |
| 272 | (alg-exp (calc-do-alg-entry initial prompt t))) | |
| 273 | (if (stringp alg-exp) | |
| 274 | (progn | |
| 5eb3eeda | 275 | (require 'calc-ext) |
| 136211a9 EZ |
276 | (calc-alg-edit alg-exp)) |
| 277 | (let* ((calc-simplify-mode (if (eq last-command-char ?\C-j) | |
| 278 | 'none | |
| 279 | calc-simplify-mode)) | |
| 280 | (nvals (mapcar 'calc-normalize alg-exp))) | |
| 281 | (while alg-exp | |
| 5eb3eeda | 282 | (calc-record (if (featurep 'calc-ext) (car alg-exp) (car nvals)) |
| 136211a9 EZ |
283 | "alg'") |
| 284 | (calc-pop-push-record-list calc-dollar-used | |
| 285 | (and (not (equal (car alg-exp) | |
| 286 | (car nvals))) | |
| 5eb3eeda | 287 | (featurep 'calc-ext) |
| 136211a9 EZ |
288 | "") |
| 289 | (list (car nvals))) | |
| 290 | (setq alg-exp (cdr alg-exp) | |
| 291 | nvals (cdr nvals) | |
| 292 | calc-dollar-used 0))) | |
| 07ff2bc8 | 293 | (calc-handle-whys)))) |
| 136211a9 | 294 | |
| 1480882c JB |
295 | (defvar calc-alg-ent-map nil |
| 296 | "The keymap used for algebraic entry.") | |
| 297 | ||
| 298 | (defvar calc-alg-ent-esc-map nil | |
| 299 | "The keymap used for escapes in algebraic entry.") | |
| 300 | ||
| 3cedbf72 JB |
301 | (defvar calc-alg-exp) |
| 302 | ||
| 136211a9 EZ |
303 | (defun calc-do-alg-entry (&optional initial prompt no-normalize) |
| 304 | (let* ((calc-buffer (current-buffer)) | |
| 4db56602 | 305 | (blink-paren-function 'calcAlg-blink-matching-open) |
| 3cedbf72 | 306 | (calc-alg-exp 'error)) |
| 1480882c | 307 | (unless calc-alg-ent-map |
| 136211a9 EZ |
308 | (setq calc-alg-ent-map (copy-keymap minibuffer-local-map)) |
| 309 | (define-key calc-alg-ent-map "'" 'calcAlg-previous) | |
| 310 | (define-key calc-alg-ent-map "`" 'calcAlg-edit) | |
| 311 | (define-key calc-alg-ent-map "\C-m" 'calcAlg-enter) | |
| 312 | (define-key calc-alg-ent-map "\C-j" 'calcAlg-enter) | |
| f1625eaa JB |
313 | (let ((i 33)) |
| 314 | (setq calc-alg-ent-esc-map (copy-keymap esc-map)) | |
| 315 | (while (< i 127) | |
| 316 | (aset (nth 1 calc-alg-ent-esc-map) i 'calcAlg-escape) | |
| 317 | (setq i (1+ i))))) | |
| 318 | (define-key calc-alg-ent-map "\e" nil) | |
| 136211a9 EZ |
319 | (if (eq calc-algebraic-mode 'total) |
| 320 | (define-key calc-alg-ent-map "\e" calc-alg-ent-esc-map) | |
| 321 | (define-key calc-alg-ent-map "\ep" 'calcAlg-plus-minus) | |
| 322 | (define-key calc-alg-ent-map "\em" 'calcAlg-mod) | |
| 323 | (define-key calc-alg-ent-map "\e=" 'calcAlg-equals) | |
| 324 | (define-key calc-alg-ent-map "\e\r" 'calcAlg-equals) | |
| 325 | (define-key calc-alg-ent-map "\e%" 'self-insert-command)) | |
| 326 | (setq calc-aborted-prefix nil) | |
| 327 | (let ((buf (read-from-minibuffer (or prompt "Algebraic: ") | |
| 328 | (or initial "") | |
| 329 | calc-alg-ent-map nil))) | |
| 3cedbf72 JB |
330 | (when (eq calc-alg-exp 'error) |
| 331 | (when (eq (car-safe (setq calc-alg-exp (math-read-exprs buf))) 'error) | |
| 332 | (setq calc-alg-exp nil))) | |
| 136211a9 EZ |
333 | (setq calc-aborted-prefix "alg'") |
| 334 | (or no-normalize | |
| 3cedbf72 JB |
335 | (and calc-alg-exp (setq calc-alg-exp (mapcar 'calc-normalize calc-alg-exp)))) |
| 336 | calc-alg-exp))) | |
| 136211a9 EZ |
337 | |
| 338 | (defun calcAlg-plus-minus () | |
| 339 | (interactive) | |
| 340 | (if (calc-minibuffer-contains ".* \\'") | |
| 341 | (insert "+/- ") | |
| 07ff2bc8 | 342 | (insert " +/- "))) |
| 136211a9 EZ |
343 | |
| 344 | (defun calcAlg-mod () | |
| 345 | (interactive) | |
| 346 | (if (not (calc-minibuffer-contains ".* \\'")) | |
| 347 | (insert " ")) | |
| 348 | (if (calc-minibuffer-contains ".* mod +\\'") | |
| 349 | (if calc-previous-modulo | |
| 350 | (insert (math-format-flat-expr calc-previous-modulo 0)) | |
| 351 | (beep)) | |
| 07ff2bc8 | 352 | (insert "mod "))) |
| 136211a9 EZ |
353 | |
| 354 | (defun calcAlg-previous () | |
| 355 | (interactive) | |
| aa9208fb | 356 | (if (calc-minibuffer-contains "\\'") |
| 136211a9 EZ |
357 | (if calc-previous-alg-entry |
| 358 | (insert calc-previous-alg-entry) | |
| 359 | (beep)) | |
| 07ff2bc8 | 360 | (insert "'"))) |
| 136211a9 EZ |
361 | |
| 362 | (defun calcAlg-equals () | |
| 363 | (interactive) | |
| 364 | (unwind-protect | |
| 365 | (calcAlg-enter) | |
| 3cedbf72 JB |
366 | (if (consp calc-alg-exp) |
| 367 | (progn (setq prefix-arg (length calc-alg-exp)) | |
| 07ff2bc8 | 368 | (calc-unread-command ?=))))) |
| 136211a9 EZ |
369 | |
| 370 | (defun calcAlg-escape () | |
| 371 | (interactive) | |
| 372 | (calc-unread-command) | |
| 373 | (save-excursion | |
| 374 | (calc-select-buffer) | |
| 375 | (use-local-map calc-mode-map)) | |
| 07ff2bc8 | 376 | (calcAlg-enter)) |
| 136211a9 | 377 | |
| 3132f345 | 378 | (defvar calc-plain-entry nil) |
| 136211a9 EZ |
379 | (defun calcAlg-edit () |
| 380 | (interactive) | |
| 381 | (if (or (not calc-plain-entry) | |
| 382 | (calc-minibuffer-contains | |
| 383 | "\\`\\([^\"]*\"[^\"]*\"\\)*[^\"]*\"[^\"]*\\'")) | |
| 384 | (insert "`") | |
| 3cedbf72 JB |
385 | (setq calc-alg-exp (minibuffer-contents)) |
| 386 | (and (> (length calc-alg-exp) 0) (setq calc-previous-alg-entry calc-alg-exp)) | |
| 07ff2bc8 | 387 | (exit-minibuffer))) |
| 136211a9 | 388 | |
| d37f2979 JB |
389 | (defvar calc-buffer) |
| 390 | ||
| 136211a9 EZ |
391 | (defun calcAlg-enter () |
| 392 | (interactive) | |
| f20be8fe | 393 | (let* ((str (minibuffer-contents)) |
| 136211a9 EZ |
394 | (exp (and (> (length str) 0) |
| 395 | (save-excursion | |
| 396 | (set-buffer calc-buffer) | |
| 397 | (math-read-exprs str))))) | |
| 398 | (if (eq (car-safe exp) 'error) | |
| 399 | (progn | |
| f20be8fe | 400 | (goto-char (minibuffer-prompt-end)) |
| 136211a9 EZ |
401 | (forward-char (nth 1 exp)) |
| 402 | (beep) | |
| 403 | (calc-temp-minibuffer-message | |
| 404 | (concat " [" (or (nth 2 exp) "Error") "]")) | |
| 405 | (calc-clear-unread-commands)) | |
| 3cedbf72 | 406 | (setq calc-alg-exp (if (calc-minibuffer-contains "\\` *\\[ *\\'") |
| 136211a9 EZ |
407 | '((incomplete vec)) |
| 408 | exp)) | |
| 409 | (and (> (length str) 0) (setq calc-previous-alg-entry str)) | |
| 07ff2bc8 | 410 | (exit-minibuffer)))) |
| 136211a9 EZ |
411 | |
| 412 | (defun calcAlg-blink-matching-open () | |
| 413 | (let ((oldpos (point)) | |
| 414 | (blinkpos nil)) | |
| 415 | (save-excursion | |
| 416 | (condition-case () | |
| 417 | (setq blinkpos (scan-sexps oldpos -1)) | |
| 418 | (error nil))) | |
| 419 | (if (and blinkpos | |
| 420 | (> oldpos (1+ (point-min))) | |
| 421 | (or (and (= (char-after (1- oldpos)) ?\)) | |
| 422 | (= (char-after blinkpos) ?\[)) | |
| 423 | (and (= (char-after (1- oldpos)) ?\]) | |
| 424 | (= (char-after blinkpos) ?\())) | |
| 425 | (save-excursion | |
| 426 | (goto-char blinkpos) | |
| 427 | (looking-at ".+\\(\\.\\.\\|\\\\dots\\|\\\\ldots\\)"))) | |
| 428 | (let ((saved (aref (syntax-table) (char-after blinkpos)))) | |
| 429 | (unwind-protect | |
| 430 | (progn | |
| 431 | (aset (syntax-table) (char-after blinkpos) | |
| 432 | (+ (logand saved 255) | |
| 433 | (lsh (char-after (1- oldpos)) 8))) | |
| 434 | (blink-matching-open)) | |
| 435 | (aset (syntax-table) (char-after blinkpos) saved))) | |
| 07ff2bc8 | 436 | (blink-matching-open)))) |
| 136211a9 EZ |
437 | |
| 438 | ||
| 439 | (defun calc-alg-digit-entry () | |
| a1506d29 | 440 | (calc-alg-entry |
| 136211a9 EZ |
441 | (cond ((eq last-command-char ?e) |
| 442 | (if (> calc-number-radix 14) (format "%d.^" calc-number-radix) "1e")) | |
| 443 | ((eq last-command-char ?#) (format "%d#" calc-number-radix)) | |
| 444 | ((eq last-command-char ?_) "-") | |
| 445 | ((eq last-command-char ?@) "0@ ") | |
| 07ff2bc8 | 446 | (t (char-to-string last-command-char))))) |
| 136211a9 | 447 | |
| d37f2979 JB |
448 | ;; The variable calc-digit-value is initially declared in calc.el, |
| 449 | ;; but can be set by calcDigit-algebraic and calcDigit-edit. | |
| 450 | (defvar calc-digit-value) | |
| 451 | ||
| 136211a9 EZ |
452 | (defun calcDigit-algebraic () |
| 453 | (interactive) | |
| 454 | (if (calc-minibuffer-contains ".*[@oh] *[^'m ]+[^'m]*\\'") | |
| 455 | (calcDigit-key) | |
| f20be8fe | 456 | (setq calc-digit-value (minibuffer-contents)) |
| 07ff2bc8 | 457 | (exit-minibuffer))) |
| 136211a9 EZ |
458 | |
| 459 | (defun calcDigit-edit () | |
| 460 | (interactive) | |
| 461 | (calc-unread-command) | |
| f20be8fe | 462 | (setq calc-digit-value (minibuffer-contents)) |
| 07ff2bc8 | 463 | (exit-minibuffer)) |
| 136211a9 EZ |
464 | |
| 465 | ||
| 466 | ;;; Algebraic expression parsing. [Public] | |
| 467 | ||
| c59d10e0 JB |
468 | (defvar math-read-replacement-list |
| 469 | '(;; Misc symbols | |
| 470 | ("±" "+/-") ; plus or minus | |
| 471 | ("×" "*") ; multiplication sign | |
| 472 | ("÷" ":") ; division sign | |
| 473 | ("−" "-") ; subtraction sign | |
| 474 | ("∕" "/") ; division sign | |
| 475 | ("∗" "*") ; asterisk multiplication | |
| 476 | ("∞" "inf") ; infinity symbol | |
| 477 | ("≤" "<=") | |
| 478 | ("≥" ">=") | |
| 479 | ("≦" "<=") | |
| 480 | ("≧" ">=") | |
| 481 | ;; fractions | |
| 482 | ("¼" "(1:4)") ; 1/4 | |
| 483 | ("½" "(1:2)") ; 1/2 | |
| 484 | ("¾" "(3:4)") ; 3/4 | |
| 485 | ("⅓" "(1:3)") ; 1/3 | |
| 486 | ("⅔" "(2:3)") ; 2/3 | |
| 487 | ("⅕" "(1:5)") ; 1/5 | |
| 488 | ("⅖" "(2:5)") ; 2/5 | |
| 489 | ("⅗" "(3:5)") ; 3/5 | |
| 490 | ("⅘" "(4:5)") ; 4/5 | |
| 491 | ("⅙" "(1:6)") ; 1/6 | |
| 492 | ("⅚" "(5:6)") ; 5/6 | |
| 493 | ("⅛" "(1:8)") ; 1/8 | |
| 494 | ("⅜" "(3:8)") ; 3/8 | |
| 495 | ("⅝" "(5:8)") ; 5/8 | |
| 496 | ("⅞" "(7:8)") ; 7/8 | |
| 497 | ("⅟" "1:") ; 1/... | |
| 498 | ;; superscripts | |
| 499 | ("⁰" "0") ; 0 | |
| 500 | ("¹" "1") ; 1 | |
| 501 | ("²" "2") ; 2 | |
| 502 | ("³" "3") ; 3 | |
| 503 | ("⁴" "4") ; 4 | |
| 504 | ("⁵" "5") ; 5 | |
| 505 | ("⁶" "6") ; 6 | |
| 506 | ("⁷" "7") ; 7 | |
| 507 | ("⁸" "8") ; 8 | |
| 508 | ("⁹" "9") ; 9 | |
| 509 | ("⁺" "+") ; + | |
| 510 | ("⁻" "-") ; - | |
| 511 | ("⁽" "(") ; ( | |
| 512 | ("⁾" ")") ; ) | |
| 513 | ("ⁿ" "n") ; n | |
| 514 | ("ⁱ" "i")) ; i | |
| 515 | "A list whose elements (old new) indicate replacements to make | |
| 516 | in Calc algebraic input.") | |
| 517 | ||
| 518 | (defvar math-read-superscripts | |
| 519 | "⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁽⁾ⁿⁱ" ; 0123456789+-()ni | |
| 520 | "A string consisting of the superscripts allowed by Calc.") | |
| 521 | ||
| 522 | (defun math-read-preprocess-string (str) | |
| 523 | "Replace some substrings of STR by Calc equivalents." | |
| 524 | (setq str | |
| 525 | (replace-regexp-in-string (concat "[" math-read-superscripts "]+") | |
| 526 | "^(\\&)" str)) | |
| 527 | (let ((rep-list math-read-replacement-list)) | |
| 528 | (while rep-list | |
| 529 | (setq str | |
| 530 | (replace-regexp-in-string (nth 0 (car rep-list)) | |
| 531 | (nth 1 (car rep-list)) str)) | |
| 532 | (setq rep-list (cdr rep-list)))) | |
| 533 | str) | |
| 534 | ||
| d37f2979 JB |
535 | ;; The next few variables are local to math-read-exprs (and math-read-expr |
| 536 | ;; in calc-ext.el), but are set in functions they call. | |
| 3cedbf72 JB |
537 | |
| 538 | (defvar math-exp-pos) | |
| 539 | (defvar math-exp-str) | |
| 540 | (defvar math-exp-old-pos) | |
| 541 | (defvar math-exp-token) | |
| 542 | (defvar math-exp-keep-spaces) | |
| d37f2979 | 543 | (defvar math-expr-data) |
| 3cedbf72 JB |
544 | |
| 545 | (defun math-read-exprs (math-exp-str) | |
| 546 | (let ((math-exp-pos 0) | |
| 547 | (math-exp-old-pos 0) | |
| 548 | (math-exp-keep-spaces nil) | |
| 549 | math-exp-token math-expr-data) | |
| c4446fc2 | 550 | (setq math-exp-str (math-read-preprocess-string math-exp-str)) |
| 136211a9 | 551 | (if calc-language-input-filter |
| 3cedbf72 JB |
552 | (setq math-exp-str (funcall calc-language-input-filter math-exp-str))) |
| 553 | (while (setq math-exp-token (string-match "\\.\\.\\([^.]\\|.[^.]\\)" math-exp-str)) | |
| 554 | (setq math-exp-str (concat (substring math-exp-str 0 math-exp-token) "\\dots" | |
| 555 | (substring math-exp-str (+ math-exp-token 2))))) | |
| 136211a9 EZ |
556 | (math-build-parse-table) |
| 557 | (math-read-token) | |
| 558 | (let ((val (catch 'syntax (math-read-expr-list)))) | |
| 559 | (if (stringp val) | |
| 3cedbf72 JB |
560 | (list 'error math-exp-old-pos val) |
| 561 | (if (equal math-exp-token 'end) | |
| 136211a9 | 562 | val |
| 3cedbf72 | 563 | (list 'error math-exp-old-pos "Syntax error")))))) |
| 136211a9 EZ |
564 | |
| 565 | (defun math-read-expr-list () | |
| 3cedbf72 | 566 | (let* ((math-exp-keep-spaces nil) |
| 136211a9 EZ |
567 | (val (list (math-read-expr-level 0))) |
| 568 | (last val)) | |
| abd880c3 | 569 | (while (equal math-expr-data ",") |
| 136211a9 EZ |
570 | (math-read-token) |
| 571 | (let ((rest (list (math-read-expr-level 0)))) | |
| 572 | (setcdr last rest) | |
| 573 | (setq last rest))) | |
| 07ff2bc8 | 574 | val)) |
| 136211a9 | 575 | |
| 3132f345 CW |
576 | (defvar calc-user-parse-table nil) |
| 577 | (defvar calc-last-main-parse-table nil) | |
| 578 | (defvar calc-last-lang-parse-table nil) | |
| 579 | (defvar calc-user-tokens nil) | |
| 580 | (defvar calc-user-token-chars nil) | |
| 136211a9 | 581 | |
| 3cedbf72 JB |
582 | (defvar math-toks nil |
| 583 | "Tokens to pass between math-build-parse-table and math-find-user-tokens.") | |
| 584 | ||
| 136211a9 EZ |
585 | (defun math-build-parse-table () |
| 586 | (let ((mtab (cdr (assq nil calc-user-parse-tables))) | |
| 587 | (ltab (cdr (assq calc-language calc-user-parse-tables)))) | |
| 588 | (or (and (eq mtab calc-last-main-parse-table) | |
| 589 | (eq ltab calc-last-lang-parse-table)) | |
| 590 | (let ((p (append mtab ltab)) | |
| 3cedbf72 | 591 | (math-toks nil)) |
| 136211a9 EZ |
592 | (setq calc-user-parse-table p) |
| 593 | (setq calc-user-token-chars nil) | |
| 594 | (while p | |
| 595 | (math-find-user-tokens (car (car p))) | |
| 596 | (setq p (cdr p))) | |
| 597 | (setq calc-user-tokens (mapconcat 'identity | |
| 3cedbf72 | 598 | (sort (mapcar 'car math-toks) |
| 136211a9 EZ |
599 | (function (lambda (x y) |
| 600 | (> (length x) | |
| 601 | (length y))))) | |
| 602 | "\\|") | |
| 603 | calc-last-main-parse-table mtab | |
| 07ff2bc8 | 604 | calc-last-lang-parse-table ltab))))) |
| 136211a9 | 605 | |
| 3cedbf72 | 606 | (defun math-find-user-tokens (p) |
| 136211a9 EZ |
607 | (while p |
| 608 | (cond ((and (stringp (car p)) | |
| 609 | (or (> (length (car p)) 1) (equal (car p) "$") | |
| 610 | (equal (car p) "\"")) | |
| 611 | (string-match "[^a-zA-Z0-9]" (car p))) | |
| 612 | (let ((s (regexp-quote (car p)))) | |
| 613 | (if (string-match "\\`[a-zA-Z0-9]" s) | |
| 614 | (setq s (concat "\\<" s))) | |
| 615 | (if (string-match "[a-zA-Z0-9]\\'" s) | |
| 616 | (setq s (concat s "\\>"))) | |
| 3cedbf72 | 617 | (or (assoc s math-toks) |
| 136211a9 | 618 | (progn |
| 3cedbf72 | 619 | (setq math-toks (cons (list s) math-toks)) |
| 136211a9 EZ |
620 | (or (memq (aref (car p) 0) calc-user-token-chars) |
| 621 | (setq calc-user-token-chars | |
| 622 | (cons (aref (car p) 0) | |
| 623 | calc-user-token-chars))))))) | |
| 624 | ((consp (car p)) | |
| 625 | (math-find-user-tokens (nth 1 (car p))) | |
| 626 | (or (eq (car (car p)) '\?) | |
| 627 | (math-find-user-tokens (nth 2 (car p)))))) | |
| 07ff2bc8 | 628 | (setq p (cdr p)))) |
| 136211a9 EZ |
629 | |
| 630 | (defun math-read-token () | |
| 3cedbf72 JB |
631 | (if (>= math-exp-pos (length math-exp-str)) |
| 632 | (setq math-exp-old-pos math-exp-pos | |
| 633 | math-exp-token 'end | |
| abd880c3 | 634 | math-expr-data "\000") |
| 3cedbf72 JB |
635 | (let ((ch (aref math-exp-str math-exp-pos))) |
| 636 | (setq math-exp-old-pos math-exp-pos) | |
| 136211a9 | 637 | (cond ((memq ch '(32 10 9)) |
| 3cedbf72 JB |
638 | (setq math-exp-pos (1+ math-exp-pos)) |
| 639 | (if math-exp-keep-spaces | |
| 640 | (setq math-exp-token 'space | |
| abd880c3 | 641 | math-expr-data " ") |
| 136211a9 EZ |
642 | (math-read-token))) |
| 643 | ((and (memq ch calc-user-token-chars) | |
| 644 | (let ((case-fold-search nil)) | |
| 3cedbf72 JB |
645 | (eq (string-match calc-user-tokens math-exp-str math-exp-pos) |
| 646 | math-exp-pos))) | |
| 647 | (setq math-exp-token 'punc | |
| 648 | math-expr-data (math-match-substring math-exp-str 0) | |
| 649 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
650 | ((or (and (>= ch ?a) (<= ch ?z)) |
| 651 | (and (>= ch ?A) (<= ch ?Z))) | |
| 652 | (string-match (if (memq calc-language '(c fortran pascal maple)) | |
| 653 | "[a-zA-Z0-9_#]*" | |
| 654 | "[a-zA-Z0-9'#]*") | |
| 3cedbf72 JB |
655 | math-exp-str math-exp-pos) |
| 656 | (setq math-exp-token 'symbol | |
| 657 | math-exp-pos (match-end 0) | |
| abd880c3 | 658 | math-expr-data (math-restore-dashes |
| 3cedbf72 | 659 | (math-match-substring math-exp-str 0))) |
| 136211a9 | 660 | (if (eq calc-language 'eqn) |
| abd880c3 | 661 | (let ((code (assoc math-expr-data math-eqn-ignore-words))) |
| 136211a9 EZ |
662 | (cond ((null code)) |
| 663 | ((null (cdr code)) | |
| 664 | (math-read-token)) | |
| 665 | ((consp (nth 1 code)) | |
| 666 | (math-read-token) | |
| abd880c3 JB |
667 | (if (assoc math-expr-data (cdr code)) |
| 668 | (setq math-expr-data (format "%s %s" | |
| 669 | (car code) math-expr-data)))) | |
| 136211a9 | 670 | ((eq (nth 1 code) 'punc) |
| 3cedbf72 | 671 | (setq math-exp-token 'punc |
| abd880c3 | 672 | math-expr-data (nth 2 code))) |
| 136211a9 EZ |
673 | (t |
| 674 | (math-read-token) | |
| 675 | (math-read-token)))))) | |
| 676 | ((or (and (>= ch ?0) (<= ch ?9)) | |
| 677 | (and (eq ch '?\.) | |
| 3cedbf72 JB |
678 | (eq (string-match "\\.[0-9]" math-exp-str math-exp-pos) |
| 679 | math-exp-pos)) | |
| 136211a9 | 680 | (and (eq ch '?_) |
| 3cedbf72 JB |
681 | (eq (string-match "_\\.?[0-9]" math-exp-str math-exp-pos) |
| 682 | math-exp-pos) | |
| 683 | (or (eq math-exp-pos 0) | |
| 136211a9 EZ |
684 | (and (memq calc-language '(nil flat big unform |
| 685 | tex eqn)) | |
| 686 | (eq (string-match "[^])}\"a-zA-Z0-9'$]_" | |
| 3cedbf72 JB |
687 | math-exp-str (1- math-exp-pos)) |
| 688 | (1- math-exp-pos)))))) | |
| 136211a9 | 689 | (or (and (eq calc-language 'c) |
| 3cedbf72 JB |
690 | (string-match "0[xX][0-9a-fA-F]+" math-exp-str math-exp-pos)) |
| 691 | (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]+\\)?\"?\\)?" | |
| 692 | math-exp-str math-exp-pos)) | |
| 693 | (setq math-exp-token 'number | |
| 694 | math-expr-data (math-match-substring math-exp-str 0) | |
| 695 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
696 | ((eq ch ?\$) |
| 697 | (if (and (eq calc-language 'pascal) | |
| 698 | (eq (string-match | |
| 699 | "\\(\\$[0-9a-fA-F]+\\)\\($\\|[^0-9a-zA-Z]\\)" | |
| 3cedbf72 JB |
700 | math-exp-str math-exp-pos) |
| 701 | math-exp-pos)) | |
| 702 | (setq math-exp-token 'number | |
| 703 | math-expr-data (math-match-substring math-exp-str 1) | |
| 704 | math-exp-pos (match-end 1)) | |
| 705 | (if (eq (string-match "\\$\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) | |
| 706 | math-exp-pos) | |
| abd880c3 | 707 | (setq math-expr-data (- (string-to-int (math-match-substring |
| 3cedbf72 JB |
708 | math-exp-str 1)))) |
| 709 | (string-match "\\$+" math-exp-str math-exp-pos) | |
| abd880c3 | 710 | (setq math-expr-data (- (match-end 0) (match-beginning 0)))) |
| 3cedbf72 JB |
711 | (setq math-exp-token 'dollar |
| 712 | math-exp-pos (match-end 0)))) | |
| 136211a9 | 713 | ((eq ch ?\#) |
| 3cedbf72 JB |
714 | (if (eq (string-match "#\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) |
| 715 | math-exp-pos) | |
| abd880c3 | 716 | (setq math-expr-data (string-to-int |
| 3cedbf72 JB |
717 | (math-match-substring math-exp-str 1)) |
| 718 | math-exp-pos (match-end 0)) | |
| abd880c3 | 719 | (setq math-expr-data 1 |
| 3cedbf72 JB |
720 | math-exp-pos (1+ math-exp-pos))) |
| 721 | (setq math-exp-token 'hash)) | |
| 136211a9 | 722 | ((eq (string-match "~=\\|<=\\|>=\\|<>\\|/=\\|\\+/-\\|\\\\dots\\|\\\\ldots\\|\\*\\*\\|<<\\|>>\\|==\\|!=\\|&&&\\||||\\|!!!\\|&&\\|||\\|!!\\|:=\\|::\\|=>" |
| 3cedbf72 JB |
723 | math-exp-str math-exp-pos) |
| 724 | math-exp-pos) | |
| 725 | (setq math-exp-token 'punc | |
| 726 | math-expr-data (math-match-substring math-exp-str 0) | |
| 727 | math-exp-pos (match-end 0))) | |
| 136211a9 | 728 | ((and (eq ch ?\") |
| 3cedbf72 JB |
729 | (string-match "\\(\"\\([^\"\\]\\|\\\\.\\)*\\)\\(\"\\|\\'\\)" |
| 730 | math-exp-str math-exp-pos)) | |
| 136211a9 EZ |
731 | (if (eq calc-language 'eqn) |
| 732 | (progn | |
| 3cedbf72 JB |
733 | (setq math-exp-str (copy-sequence math-exp-str)) |
| 734 | (aset math-exp-str (match-beginning 1) ?\{) | |
| 735 | (if (< (match-end 1) (length math-exp-str)) | |
| 736 | (aset math-exp-str (match-end 1) ?\})) | |
| 136211a9 | 737 | (math-read-token)) |
| 3cedbf72 JB |
738 | (setq math-exp-token 'string |
| 739 | math-expr-data (math-match-substring math-exp-str 1) | |
| 740 | math-exp-pos (match-end 0)))) | |
| 136211a9 | 741 | ((and (= ch ?\\) (eq calc-language 'tex) |
| 3cedbf72 JB |
742 | (< math-exp-pos (1- (length math-exp-str)))) |
| 743 | (or (string-match "\\\\hbox *{\\([a-zA-Z0-9]+\\)}" | |
| 744 | math-exp-str math-exp-pos) | |
| 745 | (string-match "\\(\\\\\\([a-zA-Z]+\\|[^a-zA-Z]\\)\\)" | |
| 746 | math-exp-str math-exp-pos)) | |
| 747 | (setq math-exp-token 'symbol | |
| 748 | math-exp-pos (match-end 0) | |
| abd880c3 | 749 | math-expr-data (math-restore-dashes |
| 3cedbf72 | 750 | (math-match-substring math-exp-str 1))) |
| abd880c3 | 751 | (let ((code (assoc math-expr-data math-tex-ignore-words))) |
| 136211a9 EZ |
752 | (cond ((null code)) |
| 753 | ((null (cdr code)) | |
| 754 | (math-read-token)) | |
| 755 | ((eq (nth 1 code) 'punc) | |
| 3cedbf72 | 756 | (setq math-exp-token 'punc |
| abd880c3 | 757 | math-expr-data (nth 2 code))) |
| 136211a9 | 758 | ((and (eq (nth 1 code) 'mat) |
| 3cedbf72 JB |
759 | (string-match " *{" math-exp-str math-exp-pos)) |
| 760 | (setq math-exp-pos (match-end 0) | |
| 761 | math-exp-token 'punc | |
| abd880c3 | 762 | math-expr-data "[") |
| 3cedbf72 | 763 | (let ((right (string-match "}" math-exp-str math-exp-pos))) |
| 136211a9 | 764 | (and right |
| 3cedbf72 JB |
765 | (setq math-exp-str (copy-sequence math-exp-str)) |
| 766 | (aset math-exp-str right ?\]))))))) | |
| 136211a9 EZ |
767 | ((and (= ch ?\.) (eq calc-language 'fortran) |
| 768 | (eq (string-match "\\.[a-zA-Z][a-zA-Z][a-zA-Z]?\\." | |
| 3cedbf72 JB |
769 | math-exp-str math-exp-pos) math-exp-pos)) |
| 770 | (setq math-exp-token 'punc | |
| 771 | math-expr-data (upcase (math-match-substring math-exp-str 0)) | |
| 772 | math-exp-pos (match-end 0))) | |
| 136211a9 | 773 | ((and (eq calc-language 'math) |
| 3cedbf72 JB |
774 | (eq (string-match "\\[\\[\\|->\\|:>" math-exp-str math-exp-pos) |
| 775 | math-exp-pos)) | |
| 776 | (setq math-exp-token 'punc | |
| 777 | math-expr-data (math-match-substring math-exp-str 0) | |
| 778 | math-exp-pos (match-end 0))) | |
| 136211a9 EZ |
779 | ((and (eq calc-language 'eqn) |
| 780 | (eq (string-match "->\\|<-\\|+-\\|\\\\dots\\|~\\|\\^" | |
| 3cedbf72 JB |
781 | math-exp-str math-exp-pos) |
| 782 | math-exp-pos)) | |
| 783 | (setq math-exp-token 'punc | |
| 784 | math-expr-data (math-match-substring math-exp-str 0) | |
| 785 | math-exp-pos (match-end 0)) | |
| 786 | (and (eq (string-match "\\\\dots\\." math-exp-str math-exp-pos) | |
| 787 | math-exp-pos) | |
| 788 | (setq math-exp-pos (match-end 0))) | |
| abd880c3 | 789 | (if (memq (aref math-expr-data 0) '(?~ ?^)) |
| 136211a9 | 790 | (math-read-token))) |
| 3cedbf72 JB |
791 | ((eq (string-match "%%.*$" math-exp-str math-exp-pos) math-exp-pos) |
| 792 | (setq math-exp-pos (match-end 0)) | |
| 136211a9 EZ |
793 | (math-read-token)) |
| 794 | (t | |
| 795 | (if (and (eq ch ?\{) (memq calc-language '(tex eqn))) | |
| 796 | (setq ch ?\()) | |
| 797 | (if (and (eq ch ?\}) (memq calc-language '(tex eqn))) | |
| 798 | (setq ch ?\))) | |
| 799 | (if (and (eq ch ?\&) (eq calc-language 'tex)) | |
| 800 | (setq ch ?\,)) | |
| 3cedbf72 | 801 | (setq math-exp-token 'punc |
| abd880c3 | 802 | math-expr-data (char-to-string ch) |
| 3cedbf72 | 803 | math-exp-pos (1+ math-exp-pos))))))) |
| 136211a9 | 804 | |
| d37f2979 JB |
805 | (defconst math-alg-inequalities |
| 806 | '(calcFunc-lt calcFunc-gt calcFunc-leq calcFunc-geq | |
| 807 | calcFunc-eq calcFunc-neq)) | |
| 136211a9 EZ |
808 | |
| 809 | (defun math-read-expr-level (exp-prec &optional exp-term) | |
| 810 | (let* ((x (math-read-factor)) (first t) op op2) | |
| 811 | (while (and (or (and calc-user-parse-table | |
| 812 | (setq op (calc-check-user-syntax x exp-prec)) | |
| 813 | (setq x op | |
| 814 | op '("2x" ident 999999 -1))) | |
| abd880c3 | 815 | (and (setq op (assoc math-expr-data math-expr-opers)) |
| 136211a9 EZ |
816 | (/= (nth 2 op) -1) |
| 817 | (or (and (setq op2 (assoc | |
| abd880c3 | 818 | math-expr-data |
| 136211a9 EZ |
819 | (cdr (memq op math-expr-opers)))) |
| 820 | (eq (= (nth 3 op) -1) | |
| 821 | (/= (nth 3 op2) -1)) | |
| 822 | (eq (= (nth 3 op2) -1) | |
| 823 | (not (math-factor-after))) | |
| 824 | (setq op op2)) | |
| 825 | t)) | |
| 826 | (and (or (eq (nth 2 op) -1) | |
| 3cedbf72 | 827 | (memq math-exp-token '(symbol number dollar hash)) |
| abd880c3 JB |
828 | (equal math-expr-data "(") |
| 829 | (and (equal math-expr-data "[") | |
| 136211a9 | 830 | (not (eq calc-language 'math)) |
| 3cedbf72 | 831 | (not (and math-exp-keep-spaces |
| 136211a9 | 832 | (eq (car-safe x) 'vec))))) |
| abd880c3 | 833 | (or (not (setq op (assoc math-expr-data math-expr-opers))) |
| 136211a9 EZ |
834 | (/= (nth 2 op) -1)) |
| 835 | (or (not calc-user-parse-table) | |
| 3cedbf72 | 836 | (not (eq math-exp-token 'symbol)) |
| 136211a9 EZ |
837 | (let ((p calc-user-parse-table)) |
| 838 | (while (and p | |
| 839 | (or (not (integerp | |
| 840 | (car (car (car p))))) | |
| 841 | (not (equal | |
| 842 | (nth 1 (car (car p))) | |
| abd880c3 | 843 | math-expr-data)))) |
| 136211a9 EZ |
844 | (setq p (cdr p))) |
| 845 | (not p))) | |
| 846 | (setq op (assoc "2x" math-expr-opers)))) | |
| abd880c3 | 847 | (not (and exp-term (equal math-expr-data exp-term))) |
| 136211a9 EZ |
848 | (>= (nth 2 op) exp-prec)) |
| 849 | (if (not (equal (car op) "2x")) | |
| 850 | (math-read-token)) | |
| 851 | (and (memq (nth 1 op) '(sdev mod)) | |
| 5eb3eeda | 852 | (require 'calc-ext)) |
| 136211a9 EZ |
853 | (setq x (cond ((consp (nth 1 op)) |
| 854 | (funcall (car (nth 1 op)) x op)) | |
| 855 | ((eq (nth 3 op) -1) | |
| 856 | (if (eq (nth 1 op) 'ident) | |
| 857 | x | |
| 858 | (if (eq (nth 1 op) 'closing) | |
| 859 | (if (eq (nth 2 op) exp-prec) | |
| 860 | (progn | |
| 861 | (setq exp-prec 1000) | |
| 862 | x) | |
| 863 | (throw 'syntax "Mismatched delimiters")) | |
| 864 | (list (nth 1 op) x)))) | |
| 865 | ((and (not first) | |
| 866 | (memq (nth 1 op) math-alg-inequalities) | |
| 867 | (memq (car-safe x) math-alg-inequalities)) | |
| 5eb3eeda | 868 | (require 'calc-ext) |
| 136211a9 EZ |
869 | (math-composite-inequalities x op)) |
| 870 | (t (list (nth 1 op) | |
| 871 | x | |
| 872 | (math-read-expr-level (nth 3 op) exp-term)))) | |
| 873 | first nil)) | |
| 07ff2bc8 | 874 | x)) |
| 136211a9 EZ |
875 | |
| 876 | (defun calc-check-user-syntax (&optional x prec) | |
| 877 | (let ((p calc-user-parse-table) | |
| 878 | (matches nil) | |
| 879 | match rule) | |
| 880 | (while (and p | |
| 881 | (or (not (progn | |
| 882 | (setq rule (car (car p))) | |
| 883 | (if x | |
| 884 | (and (integerp (car rule)) | |
| 885 | (>= (car rule) prec) | |
| abd880c3 | 886 | (equal math-expr-data |
| 136211a9 | 887 | (car (setq rule (cdr rule))))) |
| abd880c3 | 888 | (equal math-expr-data (car rule))))) |
| 3cedbf72 JB |
889 | (let ((save-exp-pos math-exp-pos) |
| 890 | (save-exp-old-pos math-exp-old-pos) | |
| 891 | (save-exp-token math-exp-token) | |
| abd880c3 | 892 | (save-exp-data math-expr-data)) |
| 136211a9 EZ |
893 | (or (not (listp |
| 894 | (setq matches (calc-match-user-syntax rule)))) | |
| 895 | (let ((args (progn | |
| 5eb3eeda | 896 | (require 'calc-ext) |
| 136211a9 EZ |
897 | calc-arg-values)) |
| 898 | (conds nil) | |
| 899 | temp) | |
| 900 | (if x | |
| 901 | (setq matches (cons x matches))) | |
| 902 | (setq match (cdr (car p))) | |
| 903 | (while (and (eq (car-safe match) | |
| 904 | 'calcFunc-condition) | |
| 905 | (= (length match) 3)) | |
| 906 | (setq conds (append (math-flatten-lands | |
| 907 | (nth 2 match)) | |
| 908 | conds) | |
| 909 | match (nth 1 match))) | |
| 910 | (while (and conds match) | |
| 5eb3eeda | 911 | (require 'calc-ext) |
| 136211a9 EZ |
912 | (cond ((eq (car-safe (car conds)) |
| 913 | 'calcFunc-let) | |
| 914 | (setq temp (car conds)) | |
| 915 | (or (= (length temp) 3) | |
| 916 | (and (= (length temp) 2) | |
| 917 | (eq (car-safe (nth 1 temp)) | |
| 918 | 'calcFunc-assign) | |
| 919 | (= (length (nth 1 temp)) 3) | |
| 920 | (setq temp (nth 1 temp))) | |
| 921 | (setq match nil)) | |
| 922 | (setq matches (cons | |
| 923 | (math-normalize | |
| 924 | (math-multi-subst | |
| 925 | (nth 2 temp) | |
| 926 | args matches)) | |
| 927 | matches) | |
| 928 | args (cons (nth 1 temp) | |
| 929 | args))) | |
| 930 | ((and (eq (car-safe (car conds)) | |
| 931 | 'calcFunc-matches) | |
| 932 | (= (length (car conds)) 3)) | |
| 933 | (setq temp (calcFunc-vmatches | |
| 934 | (math-multi-subst | |
| 935 | (nth 1 (car conds)) | |
| 936 | args matches) | |
| 937 | (nth 2 (car conds)))) | |
| 938 | (if (eq temp 0) | |
| 939 | (setq match nil) | |
| 940 | (while (setq temp (cdr temp)) | |
| 941 | (setq matches (cons (nth 2 (car temp)) | |
| 942 | matches) | |
| 943 | args (cons (nth 1 (car temp)) | |
| 944 | args))))) | |
| 945 | (t | |
| 946 | (or (math-is-true (math-simplify | |
| 947 | (math-multi-subst | |
| 948 | (car conds) | |
| 949 | args matches))) | |
| 950 | (setq match nil)))) | |
| 951 | (setq conds (cdr conds))) | |
| 952 | (if match | |
| 953 | (not (setq match (math-multi-subst | |
| 954 | match args matches))) | |
| 3cedbf72 JB |
955 | (setq math-exp-old-pos save-exp-old-pos |
| 956 | math-exp-token save-exp-token | |
| abd880c3 | 957 | math-expr-data save-exp-data |
| 3cedbf72 | 958 | math-exp-pos save-exp-pos))))))) |
| 136211a9 | 959 | (setq p (cdr p))) |
| 07ff2bc8 | 960 | (and p match))) |
| 136211a9 EZ |
961 | |
| 962 | (defun calc-match-user-syntax (p &optional term) | |
| 963 | (let ((matches nil) | |
| 3cedbf72 JB |
964 | (save-exp-pos math-exp-pos) |
| 965 | (save-exp-old-pos math-exp-old-pos) | |
| 966 | (save-exp-token math-exp-token) | |
| 967 | (save-exp-data math-expr-data) | |
| 968 | m) | |
| 136211a9 EZ |
969 | (while (and p |
| 970 | (cond ((stringp (car p)) | |
| abd880c3 | 971 | (and (equal math-expr-data (car p)) |
| 136211a9 EZ |
972 | (progn |
| 973 | (math-read-token) | |
| 974 | t))) | |
| 975 | ((integerp (car p)) | |
| 976 | (and (setq m (catch 'syntax | |
| 977 | (math-read-expr-level | |
| 978 | (car p) | |
| 979 | (if (cdr p) | |
| 980 | (if (consp (nth 1 p)) | |
| 981 | (car (nth 1 (nth 1 p))) | |
| 982 | (nth 1 p)) | |
| 983 | term)))) | |
| 984 | (not (stringp m)) | |
| 985 | (setq matches (nconc matches (list m))))) | |
| 986 | ((eq (car (car p)) '\?) | |
| 987 | (setq m (calc-match-user-syntax (nth 1 (car p)))) | |
| 988 | (or (nth 2 (car p)) | |
| 989 | (setq matches | |
| 990 | (nconc matches | |
| 991 | (list | |
| 992 | (cons 'vec (and (listp m) m)))))) | |
| 993 | (or (listp m) (not (nth 2 (car p))) | |
| 994 | (not (eq (aref (car (nth 2 (car p))) 0) ?\$)) | |
| 3cedbf72 | 995 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
996 | (t |
| 997 | (setq m (calc-match-user-syntax (nth 1 (car p)) | |
| 998 | (car (nth 2 (car p))))) | |
| 999 | (if (listp m) | |
| 1000 | (let ((vec (cons 'vec m)) | |
| 1001 | opos mm) | |
| 1002 | (while (and (listp | |
| 3cedbf72 | 1003 | (setq opos math-exp-pos |
| 136211a9 EZ |
1004 | mm (calc-match-user-syntax |
| 1005 | (or (nth 2 (car p)) | |
| 1006 | (nth 1 (car p))) | |
| 1007 | (car (nth 2 (car p)))))) | |
| 3cedbf72 | 1008 | (> math-exp-pos opos)) |
| 136211a9 EZ |
1009 | (setq vec (nconc vec mm))) |
| 1010 | (setq matches (nconc matches (list vec)))) | |
| 1011 | (and (eq (car (car p)) '*) | |
| 1012 | (setq matches (nconc matches (list '(vec))))))))) | |
| 1013 | (setq p (cdr p))) | |
| 1014 | (if p | |
| 3cedbf72 JB |
1015 | (setq math-exp-pos save-exp-pos |
| 1016 | math-exp-old-pos save-exp-old-pos | |
| 1017 | math-exp-token save-exp-token | |
| abd880c3 | 1018 | math-expr-data save-exp-data |
| 136211a9 | 1019 | matches "Failed")) |
| 07ff2bc8 | 1020 | matches)) |
| 136211a9 | 1021 | |
| 136211a9 EZ |
1022 | (defun math-remove-dashes (x) |
| 1023 | (if (string-match "\\`\\(.*\\)-\\(.*\\)\\'" x) | |
| 1024 | (math-remove-dashes | |
| 1025 | (concat (math-match-substring x 1) "#" (math-match-substring x 2))) | |
| 07ff2bc8 | 1026 | x)) |
| 136211a9 EZ |
1027 | |
| 1028 | (defun math-restore-dashes (x) | |
| 1029 | (if (string-match "\\`\\(.*\\)[#_]\\(.*\\)\\'" x) | |
| 1030 | (math-restore-dashes | |
| 1031 | (concat (math-match-substring x 1) "-" (math-match-substring x 2))) | |
| 07ff2bc8 | 1032 | x)) |
| 136211a9 EZ |
1033 | |
| 1034 | (defun math-read-if (cond op) | |
| 1035 | (let ((then (math-read-expr-level 0))) | |
| abd880c3 | 1036 | (or (equal math-expr-data ":") |
| 136211a9 EZ |
1037 | (throw 'syntax "Expected ':'")) |
| 1038 | (math-read-token) | |
| 07ff2bc8 | 1039 | (list 'calcFunc-if cond then (math-read-expr-level (nth 3 op))))) |
| 136211a9 EZ |
1040 | |
| 1041 | (defun math-factor-after () | |
| 3cedbf72 JB |
1042 | (let ((math-exp-pos math-exp-pos) |
| 1043 | math-exp-old-pos math-exp-token math-expr-data) | |
| 136211a9 | 1044 | (math-read-token) |
| 3cedbf72 | 1045 | (or (memq math-exp-token '(number symbol dollar hash string)) |
| abd880c3 JB |
1046 | (and (assoc math-expr-data '(("-") ("+") ("!") ("|") ("/"))) |
| 1047 | (assoc (concat "u" math-expr-data) math-expr-opers)) | |
| 1048 | (eq (nth 2 (assoc math-expr-data math-expr-opers)) -1) | |
| 1049 | (assoc math-expr-data '(("(") ("[") ("{")))))) | |
| 136211a9 EZ |
1050 | |
| 1051 | (defun math-read-factor () | |
| 1052 | (let (op) | |
| 3cedbf72 | 1053 | (cond ((eq math-exp-token 'number) |
| abd880c3 | 1054 | (let ((num (math-read-number math-expr-data))) |
| 136211a9 EZ |
1055 | (if (not num) |
| 1056 | (progn | |
| 3cedbf72 | 1057 | (setq math-exp-old-pos math-exp-pos) |
| 136211a9 EZ |
1058 | (throw 'syntax "Bad format"))) |
| 1059 | (math-read-token) | |
| 1060 | (if (and math-read-expr-quotes | |
| 1061 | (consp num)) | |
| 1062 | (list 'quote num) | |
| 1063 | num))) | |
| 1064 | ((and calc-user-parse-table | |
| 1065 | (setq op (calc-check-user-syntax))) | |
| 1066 | op) | |
| abd880c3 JB |
1067 | ((or (equal math-expr-data "-") |
| 1068 | (equal math-expr-data "+") | |
| 1069 | (equal math-expr-data "!") | |
| 1070 | (equal math-expr-data "|") | |
| 1071 | (equal math-expr-data "/")) | |
| 1072 | (setq math-expr-data (concat "u" math-expr-data)) | |
| 136211a9 | 1073 | (math-read-factor)) |
| abd880c3 | 1074 | ((and (setq op (assoc math-expr-data math-expr-opers)) |
| 136211a9 EZ |
1075 | (eq (nth 2 op) -1)) |
| 1076 | (if (consp (nth 1 op)) | |
| 1077 | (funcall (car (nth 1 op)) op) | |
| 1078 | (math-read-token) | |
| 1079 | (let ((val (math-read-expr-level (nth 3 op)))) | |
| 1080 | (cond ((eq (nth 1 op) 'ident) | |
| 1081 | val) | |
| 1082 | ((and (Math-numberp val) | |
| 1083 | (equal (car op) "u-")) | |
| 1084 | (math-neg val)) | |
| 1085 | (t (list (nth 1 op) val)))))) | |
| 3cedbf72 | 1086 | ((eq math-exp-token 'symbol) |
| abd880c3 | 1087 | (let ((sym (intern math-expr-data))) |
| 136211a9 | 1088 | (math-read-token) |
| abd880c3 | 1089 | (if (equal math-expr-data calc-function-open) |
| 136211a9 EZ |
1090 | (let ((f (assq sym math-expr-function-mapping))) |
| 1091 | (math-read-token) | |
| 1092 | (if (consp (cdr f)) | |
| 1093 | (funcall (car (cdr f)) f sym) | |
| abd880c3 | 1094 | (let ((args (if (or (equal math-expr-data calc-function-close) |
| 3cedbf72 | 1095 | (eq math-exp-token 'end)) |
| 136211a9 EZ |
1096 | nil |
| 1097 | (math-read-expr-list)))) | |
| abd880c3 | 1098 | (if (not (or (equal math-expr-data calc-function-close) |
| 3cedbf72 | 1099 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
1100 | (throw 'syntax "Expected `)'")) |
| 1101 | (math-read-token) | |
| 1102 | (if (and (eq calc-language 'fortran) args | |
| 5eb3eeda | 1103 | (require 'calc-ext) |
| 136211a9 EZ |
1104 | (let ((calc-matrix-mode 'scalar)) |
| 1105 | (math-known-matrixp | |
| 1106 | (list 'var sym | |
| 1107 | (intern | |
| 1108 | (concat "var-" | |
| 1109 | (symbol-name sym))))))) | |
| 1110 | (math-parse-fortran-subscr sym args) | |
| 1111 | (if f | |
| 1112 | (setq sym (cdr f)) | |
| 1113 | (and (= (aref (symbol-name sym) 0) ?\\) | |
| 1114 | (< (prefix-numeric-value calc-language-option) | |
| 1115 | 0) | |
| 1116 | (setq sym (intern (substring (symbol-name sym) | |
| 1117 | 1)))) | |
| 1118 | (or (string-match "-" (symbol-name sym)) | |
| 1119 | (setq sym (intern | |
| 1120 | (concat "calcFunc-" | |
| 1121 | (symbol-name sym)))))) | |
| 1122 | (cons sym args))))) | |
| 1123 | (if math-read-expr-quotes | |
| 1124 | sym | |
| 1125 | (let ((val (list 'var | |
| 1126 | (intern (math-remove-dashes | |
| 1127 | (symbol-name sym))) | |
| 1128 | (if (string-match "-" (symbol-name sym)) | |
| 1129 | sym | |
| 1130 | (intern (concat "var-" | |
| 1131 | (symbol-name sym))))))) | |
| 1132 | (let ((v (assq (nth 1 val) math-expr-variable-mapping))) | |
| 1133 | (and v (setq val (if (consp (cdr v)) | |
| 1134 | (funcall (car (cdr v)) v val) | |
| 1135 | (list 'var | |
| 1136 | (intern | |
| 1137 | (substring (symbol-name (cdr v)) | |
| 1138 | 4)) | |
| 1139 | (cdr v)))))) | |
| 1140 | (while (and (memq calc-language '(c pascal maple)) | |
| abd880c3 | 1141 | (equal math-expr-data "[")) |
| 136211a9 EZ |
1142 | (math-read-token) |
| 1143 | (setq val (append (list 'calcFunc-subscr val) | |
| 1144 | (math-read-expr-list))) | |
| abd880c3 | 1145 | (if (equal math-expr-data "]") |
| 136211a9 EZ |
1146 | (math-read-token) |
| 1147 | (throw 'syntax "Expected ']'"))) | |
| 1148 | val))))) | |
| 3cedbf72 | 1149 | ((eq math-exp-token 'dollar) |
| abd880c3 | 1150 | (let ((abs (if (> math-expr-data 0) math-expr-data (- math-expr-data)))) |
| 136211a9 | 1151 | (if (>= (length calc-dollar-values) abs) |
| abd880c3 | 1152 | (let ((num math-expr-data)) |
| 136211a9 EZ |
1153 | (math-read-token) |
| 1154 | (setq calc-dollar-used (max calc-dollar-used num)) | |
| 1155 | (math-check-complete (nth (1- abs) calc-dollar-values))) | |
| 1156 | (throw 'syntax (if calc-dollar-values | |
| 1157 | "Too many $'s" | |
| 1158 | "$'s not allowed in this context"))))) | |
| 3cedbf72 | 1159 | ((eq math-exp-token 'hash) |
| 136211a9 EZ |
1160 | (or calc-hashes-used |
| 1161 | (throw 'syntax "#'s not allowed in this context")) | |
| 5eb3eeda | 1162 | (require 'calc-ext) |
| abd880c3 JB |
1163 | (if (<= math-expr-data (length calc-arg-values)) |
| 1164 | (let ((num math-expr-data)) | |
| 136211a9 EZ |
1165 | (math-read-token) |
| 1166 | (setq calc-hashes-used (max calc-hashes-used num)) | |
| 1167 | (nth (1- num) calc-arg-values)) | |
| 1168 | (throw 'syntax "Too many # arguments"))) | |
| abd880c3 | 1169 | ((equal math-expr-data "(") |
| 3cedbf72 | 1170 | (let* ((exp (let ((math-exp-keep-spaces nil)) |
| 136211a9 | 1171 | (math-read-token) |
| abd880c3 JB |
1172 | (if (or (equal math-expr-data "\\dots") |
| 1173 | (equal math-expr-data "\\ldots")) | |
| 136211a9 EZ |
1174 | '(neg (var inf var-inf)) |
| 1175 | (math-read-expr-level 0))))) | |
| 3cedbf72 | 1176 | (let ((math-exp-keep-spaces nil)) |
| 136211a9 | 1177 | (cond |
| abd880c3 | 1178 | ((equal math-expr-data ",") |
| 136211a9 EZ |
1179 | (progn |
| 1180 | (math-read-token) | |
| 1181 | (let ((exp2 (math-read-expr-level 0))) | |
| 1182 | (setq exp | |
| 1183 | (if (and exp2 (Math-realp exp) (Math-realp exp2)) | |
| 1184 | (math-normalize (list 'cplx exp exp2)) | |
| 1185 | (list '+ exp (list '* exp2 '(var i var-i)))))))) | |
| abd880c3 | 1186 | ((equal math-expr-data ";") |
| 136211a9 EZ |
1187 | (progn |
| 1188 | (math-read-token) | |
| 1189 | (let ((exp2 (math-read-expr-level 0))) | |
| 1190 | (setq exp (if (and exp2 (Math-realp exp) | |
| 1191 | (Math-anglep exp2)) | |
| 1192 | (math-normalize (list 'polar exp exp2)) | |
| 5eb3eeda | 1193 | (require 'calc-ext) |
| 136211a9 EZ |
1194 | (list '* exp |
| 1195 | (list 'calcFunc-exp | |
| 1196 | (list '* | |
| 1197 | (math-to-radians-2 exp2) | |
| 1198 | '(var i var-i))))))))) | |
| abd880c3 JB |
1199 | ((or (equal math-expr-data "\\dots") |
| 1200 | (equal math-expr-data "\\ldots")) | |
| 136211a9 EZ |
1201 | (progn |
| 1202 | (math-read-token) | |
| abd880c3 JB |
1203 | (let ((exp2 (if (or (equal math-expr-data ")") |
| 1204 | (equal math-expr-data "]") | |
| 3cedbf72 | 1205 | (eq math-exp-token 'end)) |
| 136211a9 EZ |
1206 | '(var inf var-inf) |
| 1207 | (math-read-expr-level 0)))) | |
| 1208 | (setq exp | |
| 1209 | (list 'intv | |
| abd880c3 | 1210 | (if (equal math-expr-data ")") 0 1) |
| 136211a9 EZ |
1211 | exp |
| 1212 | exp2))))))) | |
| abd880c3 JB |
1213 | (if (not (or (equal math-expr-data ")") |
| 1214 | (and (equal math-expr-data "]") (eq (car-safe exp) 'intv)) | |
| 3cedbf72 | 1215 | (eq math-exp-token 'end))) |
| 136211a9 EZ |
1216 | (throw 'syntax "Expected `)'")) |
| 1217 | (math-read-token) | |
| 1218 | exp)) | |
| 3cedbf72 | 1219 | ((eq math-exp-token 'string) |
| 5eb3eeda | 1220 | (require 'calc-ext) |
| 136211a9 | 1221 | (math-read-string)) |
| abd880c3 | 1222 | ((equal math-expr-data "[") |
| 5eb3eeda | 1223 | (require 'calc-ext) |
| 136211a9 | 1224 | (math-read-brackets t "]")) |
| abd880c3 | 1225 | ((equal math-expr-data "{") |
| 5eb3eeda | 1226 | (require 'calc-ext) |
| 136211a9 | 1227 | (math-read-brackets nil "}")) |
| abd880c3 | 1228 | ((equal math-expr-data "<") |
| 5eb3eeda | 1229 | (require 'calc-ext) |
| 136211a9 | 1230 | (math-read-angle-brackets)) |
| 07ff2bc8 | 1231 | (t (throw 'syntax "Expected a number"))))) |
| 136211a9 | 1232 | |
| 47233535 JB |
1233 | (provide 'calc-aent) |
| 1234 | ||
| ab5796a9 | 1235 | ;;; arch-tag: 5599e45d-e51e-44bb-9a20-9f4ed8c96c32 |
| 07ff2bc8 | 1236 | ;;; calc-aent.el ends here |