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