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3132f345 CW |
1 | ;;; calc-aent.el --- algebraic entry functions for Calc |
2 | ||
acaf905b | 3 | ;; Copyright (C) 1990-1993, 2001-2012 Free Software Foundation, Inc. |
3132f345 CW |
4 | |
5 | ;; Author: Dave Gillespie <daveg@synaptics.com> | |
e8fff8ed | 6 | ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com> |
136211a9 EZ |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
662c9c64 | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
7c671b23 | 11 | ;; it under the terms of the GNU General Public License as published by |
662c9c64 GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
7c671b23 | 14 | |
136211a9 | 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
7c671b23 GM |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
662c9c64 | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
136211a9 | 22 | |
3132f345 | 23 | ;;; Commentary: |
136211a9 | 24 | |
3132f345 | 25 | ;;; Code: |
136211a9 EZ |
26 | |
27 | ;; This file is autoloaded from calc.el. | |
136211a9 | 28 | |
5eb3eeda | 29 | (require 'calc) |
136211a9 EZ |
30 | (require 'calc-macs) |
31 | ||
2f78f904 JB |
32 | ;; Declare functions which are defined elsewhere. |
33 | (declare-function calc-refresh-evaltos "calc-ext" (&optional which-var)) | |
34 | (declare-function calc-execute-kbd-macro "calc-prog" (mac arg &rest prefix)) | |
35 | (declare-function math-is-true "calc-ext" (expr)) | |
36 | (declare-function calc-explain-why "calc-stuff" (why &optional more)) | |
37 | (declare-function calc-alg-edit "calc-yank" (str)) | |
38 | (declare-function math-composite-inequalities "calc-prog" (x op)) | |
39 | (declare-function math-flatten-lands "calc-rewr" (expr)) | |
40 | (declare-function math-multi-subst "calc-map" (expr olds news)) | |
41 | (declare-function calcFunc-vmatches "calc-rewr" (expr pat)) | |
42 | (declare-function math-simplify "calc-alg" (top-expr)) | |
43 | (declare-function math-known-matrixp "calc-arith" (a)) | |
44 | (declare-function math-parse-fortran-subscr "calc-lang" (sym args)) | |
45 | (declare-function math-to-radians-2 "calc-math" (a)) | |
46 | (declare-function math-read-string "calc-ext" ()) | |
47 | (declare-function math-read-brackets "calc-vec" (space-sep math-rb-close)) | |
48 | (declare-function math-read-angle-brackets "calc-forms" ()) | |
d039d4d8 | 49 | (declare-function math-to-percentsigns "calccomp" (x)) |
2f78f904 | 50 | |
0b504d64 JB |
51 | (defvar calc-quick-calc-history nil |
52 | "The history list for quick-calc.") | |
53 | ||
2378f044 | 54 | ;;;###autoload |
136211a9 | 55 | (defun calc-do-quick-calc () |
0b504d64 | 56 | (require 'calc-ext) |
136211a9 EZ |
57 | (calc-check-defines) |
58 | (if (eq major-mode 'calc-mode) | |
59 | (calc-algebraic-entry t) | |
60 | (let (buf shortbuf) | |
61 | (save-excursion | |
62 | (calc-create-buffer) | |
63 | (let* ((calc-command-flags nil) | |
64 | (calc-dollar-values calc-quick-prev-results) | |
65 | (calc-dollar-used 0) | |
66 | (enable-recursive-minibuffers t) | |
67 | (calc-language (if (memq calc-language '(nil big)) | |
68 | 'flat calc-language)) | |
0b504d64 JB |
69 | (entry (calc-do-alg-entry "" "Quick calc: " t 'calc-quick-calc-history)) |
70 | (alg-exp (mapcar 'math-evaluate-expr entry))) | |
3132f345 CW |
71 | (when (and (= (length alg-exp) 1) |
72 | (eq (car-safe (car alg-exp)) 'calcFunc-assign) | |
73 | (= (length (car alg-exp)) 3) | |
74 | (eq (car-safe (nth 1 (car alg-exp))) 'var)) | |
3132f345 CW |
75 | (set (nth 2 (nth 1 (car alg-exp))) (nth 2 (car alg-exp))) |
76 | (calc-refresh-evaltos (nth 2 (nth 1 (car alg-exp)))) | |
77 | (setq alg-exp (list (nth 2 (car alg-exp))))) | |
136211a9 EZ |
78 | (setq calc-quick-prev-results alg-exp |
79 | buf (mapconcat (function (lambda (x) | |
80 | (math-format-value x 1000))) | |
81 | alg-exp | |
82 | " ") | |
83 | shortbuf buf) | |
84 | (if (and (= (length alg-exp) 1) | |
85 | (memq (car-safe (car alg-exp)) '(nil bigpos bigneg)) | |
86 | (< (length buf) 20) | |
87 | (= calc-number-radix 10)) | |
88 | (setq buf (concat buf " (" | |
89 | (let ((calc-number-radix 16)) | |
90 | (math-format-value (car alg-exp) 1000)) | |
91 | ", " | |
92 | (let ((calc-number-radix 8)) | |
93 | (math-format-value (car alg-exp) 1000)) | |
8f26ce73 JB |
94 | ", " |
95 | (let ((calc-number-radix 2)) | |
96 | (math-format-value (car alg-exp) 1000)) | |
136211a9 EZ |
97 | (if (and (integerp (car alg-exp)) |
98 | (> (car alg-exp) 0) | |
99 | (< (car alg-exp) 127)) | |
100 | (format ", \"%c\"" (car alg-exp)) | |
101 | "") | |
102 | ")"))) | |
f20be8fe | 103 | (if (and (< (length buf) (frame-width)) (= (length entry) 1) |
5eb3eeda | 104 | (featurep 'calc-ext)) |
136211a9 EZ |
105 | (let ((long (concat (math-format-value (car entry) 1000) |
106 | " => " buf))) | |
f20be8fe | 107 | (if (<= (length long) (- (frame-width) 8)) |
136211a9 EZ |
108 | (setq buf long)))) |
109 | (calc-handle-whys) | |
110 | (message "Result: %s" buf))) | |
e93c003e | 111 | (if (eq last-command-event 10) |
136211a9 | 112 | (insert shortbuf) |
3cedbf72 | 113 | (kill-new shortbuf))))) |
136211a9 | 114 | |
2378f044 | 115 | ;;;###autoload |
136211a9 EZ |
116 | (defun calc-do-calc-eval (str separator args) |
117 | (calc-check-defines) | |
118 | (catch 'calc-error | |
119 | (save-excursion | |
120 | (calc-create-buffer) | |
121 | (cond | |
122 | ((and (consp str) (not (symbolp (car str)))) | |
123 | (let ((calc-language nil) | |
16819e48 | 124 | (math-expr-opers (math-standard-ops)) |
136211a9 EZ |
125 | (calc-internal-prec 12) |
126 | (calc-word-size 32) | |
127 | (calc-symbolic-mode nil) | |
128 | (calc-matrix-mode nil) | |
129 | (calc-angle-mode 'deg) | |
130 | (calc-number-radix 10) | |
8768b132 | 131 | (calc-twos-complement-mode nil) |
136211a9 EZ |
132 | (calc-leading-zeros nil) |
133 | (calc-group-digits nil) | |
134 | (calc-point-char ".") | |
135 | (calc-frac-format '(":" nil)) | |
136 | (calc-prefer-frac nil) | |
137 | (calc-hms-format "%s@ %s' %s\"") | |
138 | (calc-date-format '((H ":" mm C SS pp " ") | |
139 | Www " " Mmm " " D ", " YYYY)) | |
140 | (calc-float-format '(float 0)) | |
141 | (calc-full-float-format '(float 0)) | |
142 | (calc-complex-format nil) | |
143 | (calc-matrix-just nil) | |
144 | (calc-full-vectors t) | |
145 | (calc-break-vectors nil) | |
146 | (calc-vector-commas ",") | |
147 | (calc-vector-brackets "[]") | |
148 | (calc-matrix-brackets '(R O)) | |
149 | (calc-complex-mode 'cplx) | |
150 | (calc-infinite-mode nil) | |
151 | (calc-display-strings nil) | |
152 | (calc-simplify-mode nil) | |
153 | (calc-display-working-message 'lots) | |
154 | (strp (cdr str))) | |
155 | (while strp | |
156 | (set (car strp) (nth 1 strp)) | |
157 | (setq strp (cdr (cdr strp)))) | |
158 | (calc-do-calc-eval (car str) separator args))) | |
159 | ((eq separator 'eval) | |
160 | (eval str)) | |
161 | ((eq separator 'macro) | |
5eb3eeda | 162 | (require 'calc-ext) |
136211a9 EZ |
163 | (let* ((calc-buffer (current-buffer)) |
164 | (calc-window (get-buffer-window calc-buffer)) | |
165 | (save-window (selected-window))) | |
166 | (if calc-window | |
167 | (unwind-protect | |
168 | (progn | |
169 | (select-window calc-window) | |
170 | (calc-execute-kbd-macro str nil (car args))) | |
171 | (and (window-point save-window) | |
172 | (select-window save-window))) | |
173 | (save-window-excursion | |
174 | (select-window (get-largest-window)) | |
175 | (switch-to-buffer calc-buffer) | |
176 | (calc-execute-kbd-macro str nil (car args))))) | |
177 | nil) | |
178 | ((eq separator 'pop) | |
179 | (or (not (integerp str)) | |
180 | (= str 0) | |
181 | (calc-pop (min str (calc-stack-size)))) | |
182 | (calc-stack-size)) | |
183 | ((eq separator 'top) | |
184 | (and (integerp str) | |
185 | (> str 0) | |
186 | (<= str (calc-stack-size)) | |
187 | (math-format-value (calc-top-n str (car args)) 1000))) | |
188 | ((eq separator 'rawtop) | |
189 | (and (integerp str) | |
190 | (> str 0) | |
191 | (<= str (calc-stack-size)) | |
192 | (calc-top-n str (car args)))) | |
193 | (t | |
194 | (let* ((calc-command-flags nil) | |
195 | (calc-next-why nil) | |
196 | (calc-language (if (memq calc-language '(nil big)) | |
197 | 'flat calc-language)) | |
198 | (calc-dollar-values (mapcar | |
199 | (function | |
200 | (lambda (x) | |
201 | (if (stringp x) | |
202 | (progn | |
203 | (setq x (math-read-exprs x)) | |
204 | (if (eq (car-safe x) | |
205 | 'error) | |
206 | (throw 'calc-error | |
207 | (calc-eval-error | |
208 | (cdr x))) | |
209 | (car x))) | |
210 | x))) | |
211 | args)) | |
212 | (calc-dollar-used 0) | |
213 | (res (if (stringp str) | |
214 | (math-read-exprs str) | |
215 | (list str))) | |
216 | buf) | |
217 | (if (eq (car res) 'error) | |
218 | (calc-eval-error (cdr res)) | |
219 | (setq res (mapcar 'calc-normalize res)) | |
220 | (and (memq 'clear-message calc-command-flags) | |
221 | (message "")) | |
222 | (cond ((eq separator 'pred) | |
5eb3eeda | 223 | (require 'calc-ext) |
136211a9 EZ |
224 | (if (= (length res) 1) |
225 | (math-is-true (car res)) | |
226 | (calc-eval-error '(0 "Single value expected")))) | |
227 | ((eq separator 'raw) | |
228 | (if (= (length res) 1) | |
229 | (car res) | |
230 | (calc-eval-error '(0 "Single value expected")))) | |
231 | ((eq separator 'list) | |
232 | res) | |
233 | ((memq separator '(num rawnum)) | |
234 | (if (= (length res) 1) | |
235 | (if (math-constp (car res)) | |
236 | (if (eq separator 'num) | |
237 | (math-format-value (car res) 1000) | |
238 | (car res)) | |
239 | (calc-eval-error | |
240 | (list 0 | |
241 | (if calc-next-why | |
242 | (calc-explain-why (car calc-next-why)) | |
243 | "Number expected")))) | |
244 | (calc-eval-error '(0 "Single value expected")))) | |
245 | ((eq separator 'push) | |
246 | (calc-push-list res) | |
247 | nil) | |
248 | (t (while res | |
249 | (setq buf (concat buf | |
250 | (and buf (or separator ", ")) | |
251 | (math-format-value (car res) 1000)) | |
252 | res (cdr res))) | |
07ff2bc8 | 253 | buf))))))))) |
136211a9 | 254 | |
d37f2979 JB |
255 | (defvar calc-eval-error nil |
256 | "Determines how calc handles errors. | |
8f2904a5 | 257 | If nil, return a list containing the character position of error. |
d37f2979 | 258 | STRING means return error message as string rather than list. |
8f2904a5 | 259 | The value t means abort and give an error message.") |
d37f2979 | 260 | |
136211a9 | 261 | (defun calc-eval-error (msg) |
d37f2979 | 262 | (if calc-eval-error |
136211a9 EZ |
263 | (if (eq calc-eval-error 'string) |
264 | (nth 1 msg) | |
265 | (error "%s" (nth 1 msg))) | |
07ff2bc8 | 266 | msg)) |
136211a9 EZ |
267 | |
268 | ||
269 | ;;;; Reading an expression in algebraic form. | |
270 | ||
2378f044 | 271 | ;;;###autoload |
136211a9 EZ |
272 | (defun calc-auto-algebraic-entry (&optional prefix) |
273 | (interactive "P") | |
07ff2bc8 | 274 | (calc-algebraic-entry prefix t)) |
136211a9 | 275 | |
2378f044 | 276 | ;;;###autoload |
136211a9 EZ |
277 | (defun calc-algebraic-entry (&optional prefix auto) |
278 | (interactive "P") | |
279 | (calc-wrapper | |
280 | (let ((calc-language (if prefix nil calc-language)) | |
16819e48 | 281 | (math-expr-opers (if prefix (math-standard-ops) (math-expr-ops)))) |
e93c003e | 282 | (calc-alg-entry (and auto (char-to-string last-command-event)))))) |
136211a9 | 283 | |
0b504d64 JB |
284 | (defvar calc-alg-entry-history nil |
285 | "History for algebraic entry.") | |
286 | ||
2378f044 | 287 | ;;;###autoload |
136211a9 EZ |
288 | (defun calc-alg-entry (&optional initial prompt) |
289 | (let* ((sel-mode nil) | |
290 | (calc-dollar-values (mapcar 'calc-get-stack-element | |
291 | (nthcdr calc-stack-top calc-stack))) | |
292 | (calc-dollar-used 0) | |
293 | (calc-plain-entry t) | |
0b504d64 | 294 | (alg-exp (calc-do-alg-entry initial prompt t 'calc-alg-entry-history))) |
136211a9 EZ |
295 | (if (stringp alg-exp) |
296 | (progn | |
5eb3eeda | 297 | (require 'calc-ext) |
136211a9 | 298 | (calc-alg-edit alg-exp)) |
e93c003e | 299 | (let* ((calc-simplify-mode (if (eq last-command-event ?\C-j) |
136211a9 EZ |
300 | 'none |
301 | calc-simplify-mode)) | |
302 | (nvals (mapcar 'calc-normalize alg-exp))) | |
303 | (while alg-exp | |
5eb3eeda | 304 | (calc-record (if (featurep 'calc-ext) (car alg-exp) (car nvals)) |
136211a9 EZ |
305 | "alg'") |
306 | (calc-pop-push-record-list calc-dollar-used | |
307 | (and (not (equal (car alg-exp) | |
308 | (car nvals))) | |
5eb3eeda | 309 | (featurep 'calc-ext) |
136211a9 EZ |
310 | "") |
311 | (list (car nvals))) | |
312 | (setq alg-exp (cdr alg-exp) | |
313 | nvals (cdr nvals) | |
314 | calc-dollar-used 0))) | |
07ff2bc8 | 315 | (calc-handle-whys)))) |
136211a9 | 316 | |
0da20854 SM |
317 | (defvar calc-alg-ent-map |
318 | (let ((map (make-sparse-keymap))) | |
319 | (set-keymap-parent map minibuffer-local-map) | |
320 | (define-key map "'" 'calcAlg-previous) | |
321 | (define-key map "`" 'calcAlg-edit) | |
322 | (define-key map "\C-m" 'calcAlg-enter) | |
323 | (define-key map "\C-j" 'calcAlg-enter) | |
324 | map) | |
1480882c JB |
325 | "The keymap used for algebraic entry.") |
326 | ||
0da20854 SM |
327 | (defvar calc-alg-ent-esc-map |
328 | (let ((map (make-keymap)) | |
329 | (i 33)) | |
330 | (set-keymap-parent map esc-map) | |
331 | (while (< i 127) | |
332 | (define-key map (vector i) 'calcAlg-escape) | |
333 | (setq i (1+ i))) | |
334 | map) | |
1480882c JB |
335 | "The keymap used for escapes in algebraic entry.") |
336 | ||
3cedbf72 JB |
337 | (defvar calc-alg-exp) |
338 | ||
2378f044 | 339 | ;;;###autoload |
0b504d64 | 340 | (defun calc-do-alg-entry (&optional initial prompt no-normalize history) |
136211a9 | 341 | (let* ((calc-buffer (current-buffer)) |
0da20854 | 342 | (blink-matching-check-function 'calcAlg-blink-matching-check) |
3cedbf72 | 343 | (calc-alg-exp 'error)) |
f1625eaa | 344 | (define-key calc-alg-ent-map "\e" nil) |
136211a9 EZ |
345 | (if (eq calc-algebraic-mode 'total) |
346 | (define-key calc-alg-ent-map "\e" calc-alg-ent-esc-map) | |
0b504d64 | 347 | (define-key calc-alg-ent-map "\e+" 'calcAlg-plus-minus) |
136211a9 EZ |
348 | (define-key calc-alg-ent-map "\em" 'calcAlg-mod) |
349 | (define-key calc-alg-ent-map "\e=" 'calcAlg-equals) | |
350 | (define-key calc-alg-ent-map "\e\r" 'calcAlg-equals) | |
0b504d64 JB |
351 | (define-key calc-alg-ent-map "\ep" 'previous-history-element) |
352 | (define-key calc-alg-ent-map "\en" 'next-history-element) | |
136211a9 EZ |
353 | (define-key calc-alg-ent-map "\e%" 'self-insert-command)) |
354 | (setq calc-aborted-prefix nil) | |
355 | (let ((buf (read-from-minibuffer (or prompt "Algebraic: ") | |
356 | (or initial "") | |
0b504d64 | 357 | calc-alg-ent-map nil history))) |
3cedbf72 JB |
358 | (when (eq calc-alg-exp 'error) |
359 | (when (eq (car-safe (setq calc-alg-exp (math-read-exprs buf))) 'error) | |
360 | (setq calc-alg-exp nil))) | |
136211a9 EZ |
361 | (setq calc-aborted-prefix "alg'") |
362 | (or no-normalize | |
3cedbf72 JB |
363 | (and calc-alg-exp (setq calc-alg-exp (mapcar 'calc-normalize calc-alg-exp)))) |
364 | calc-alg-exp))) | |
136211a9 EZ |
365 | |
366 | (defun calcAlg-plus-minus () | |
367 | (interactive) | |
368 | (if (calc-minibuffer-contains ".* \\'") | |
369 | (insert "+/- ") | |
07ff2bc8 | 370 | (insert " +/- "))) |
136211a9 EZ |
371 | |
372 | (defun calcAlg-mod () | |
373 | (interactive) | |
374 | (if (not (calc-minibuffer-contains ".* \\'")) | |
375 | (insert " ")) | |
376 | (if (calc-minibuffer-contains ".* mod +\\'") | |
377 | (if calc-previous-modulo | |
378 | (insert (math-format-flat-expr calc-previous-modulo 0)) | |
379 | (beep)) | |
07ff2bc8 | 380 | (insert "mod "))) |
136211a9 EZ |
381 | |
382 | (defun calcAlg-previous () | |
383 | (interactive) | |
aa9208fb | 384 | (if (calc-minibuffer-contains "\\'") |
0b504d64 | 385 | (previous-history-element 1) |
07ff2bc8 | 386 | (insert "'"))) |
136211a9 EZ |
387 | |
388 | (defun calcAlg-equals () | |
389 | (interactive) | |
390 | (unwind-protect | |
391 | (calcAlg-enter) | |
3cedbf72 JB |
392 | (if (consp calc-alg-exp) |
393 | (progn (setq prefix-arg (length calc-alg-exp)) | |
07ff2bc8 | 394 | (calc-unread-command ?=))))) |
136211a9 EZ |
395 | |
396 | (defun calcAlg-escape () | |
397 | (interactive) | |
398 | (calc-unread-command) | |
399 | (save-excursion | |
400 | (calc-select-buffer) | |
401 | (use-local-map calc-mode-map)) | |
07ff2bc8 | 402 | (calcAlg-enter)) |
136211a9 | 403 | |
3132f345 | 404 | (defvar calc-plain-entry nil) |
136211a9 EZ |
405 | (defun calcAlg-edit () |
406 | (interactive) | |
407 | (if (or (not calc-plain-entry) | |
408 | (calc-minibuffer-contains | |
409 | "\\`\\([^\"]*\"[^\"]*\"\\)*[^\"]*\"[^\"]*\\'")) | |
410 | (insert "`") | |
3cedbf72 | 411 | (setq calc-alg-exp (minibuffer-contents)) |
07ff2bc8 | 412 | (exit-minibuffer))) |
136211a9 | 413 | |
d37f2979 JB |
414 | (defvar calc-buffer) |
415 | ||
136211a9 EZ |
416 | (defun calcAlg-enter () |
417 | (interactive) | |
f20be8fe | 418 | (let* ((str (minibuffer-contents)) |
136211a9 | 419 | (exp (and (> (length str) 0) |
6df9b6d7 | 420 | (with-current-buffer calc-buffer |
136211a9 EZ |
421 | (math-read-exprs str))))) |
422 | (if (eq (car-safe exp) 'error) | |
423 | (progn | |
f20be8fe | 424 | (goto-char (minibuffer-prompt-end)) |
136211a9 EZ |
425 | (forward-char (nth 1 exp)) |
426 | (beep) | |
427 | (calc-temp-minibuffer-message | |
428 | (concat " [" (or (nth 2 exp) "Error") "]")) | |
429 | (calc-clear-unread-commands)) | |
3cedbf72 | 430 | (setq calc-alg-exp (if (calc-minibuffer-contains "\\` *\\[ *\\'") |
136211a9 EZ |
431 | '((incomplete vec)) |
432 | exp)) | |
07ff2bc8 | 433 | (exit-minibuffer)))) |
136211a9 | 434 | |
0da20854 SM |
435 | (defun calcAlg-blink-matching-check (leftpt rightpt) |
436 | (let ((rightchar (char-before rightpt)) | |
437 | (leftchar (if leftpt (char-after leftpt)))) | |
a1a6b428 JB |
438 | (if (and leftpt |
439 | (or (and (= rightchar ?\)) | |
440 | (= leftchar ?\[)) | |
441 | (and (= rightchar ?\]) | |
442 | (= leftchar ?\())) | |
443 | (save-excursion | |
444 | (goto-char leftpt) | |
445 | (looking-at ".+\\(\\.\\.\\|\\\\dots\\|\\\\ldots\\)"))) | |
0da20854 SM |
446 | ;; [2..5) perfectly valid! |
447 | nil | |
448 | (blink-matching-check-mismatch leftpt rightpt)))) | |
136211a9 | 449 | |
2378f044 | 450 | ;;;###autoload |
136211a9 | 451 | (defun calc-alg-digit-entry () |
a1506d29 | 452 | (calc-alg-entry |
e93c003e | 453 | (cond ((eq last-command-event ?e) |
136211a9 | 454 | (if (> calc-number-radix 14) (format "%d.^" calc-number-radix) "1e")) |
e93c003e GM |
455 | ((eq last-command-event ?#) (format "%d#" calc-number-radix)) |
456 | ((eq last-command-event ?_) "-") | |
457 | ((eq last-command-event ?@) "0@ ") | |
458 | (t (char-to-string last-command-event))))) | |
136211a9 | 459 | |
d37f2979 JB |
460 | ;; The variable calc-digit-value is initially declared in calc.el, |
461 | ;; but can be set by calcDigit-algebraic and calcDigit-edit. | |
462 | (defvar calc-digit-value) | |
463 | ||
2378f044 | 464 | ;;;###autoload |
136211a9 EZ |
465 | (defun calcDigit-algebraic () |
466 | (interactive) | |
467 | (if (calc-minibuffer-contains ".*[@oh] *[^'m ]+[^'m]*\\'") | |
468 | (calcDigit-key) | |
f20be8fe | 469 | (setq calc-digit-value (minibuffer-contents)) |
07ff2bc8 | 470 | (exit-minibuffer))) |
136211a9 | 471 | |
2378f044 | 472 | ;;;###autoload |
136211a9 EZ |
473 | (defun calcDigit-edit () |
474 | (interactive) | |
475 | (calc-unread-command) | |
f20be8fe | 476 | (setq calc-digit-value (minibuffer-contents)) |
07ff2bc8 | 477 | (exit-minibuffer)) |
136211a9 EZ |
478 | |
479 | ||
480 | ;;; Algebraic expression parsing. [Public] | |
481 | ||
c59d10e0 JB |
482 | (defvar math-read-replacement-list |
483 | '(;; Misc symbols | |
484 | ("±" "+/-") ; plus or minus | |
485 | ("×" "*") ; multiplication sign | |
486 | ("÷" ":") ; division sign | |
487 | ("−" "-") ; subtraction sign | |
488 | ("∕" "/") ; division sign | |
489 | ("∗" "*") ; asterisk multiplication | |
490 | ("∞" "inf") ; infinity symbol | |
491 | ("≤" "<=") | |
492 | ("≥" ">=") | |
493 | ("≦" "<=") | |
494 | ("≧" ">=") | |
ae6bc504 | 495 | ("µ" "μ") |
c59d10e0 JB |
496 | ;; fractions |
497 | ("¼" "(1:4)") ; 1/4 | |
498 | ("½" "(1:2)") ; 1/2 | |
499 | ("¾" "(3:4)") ; 3/4 | |
500 | ("⅓" "(1:3)") ; 1/3 | |
501 | ("⅔" "(2:3)") ; 2/3 | |
502 | ("⅕" "(1:5)") ; 1/5 | |
503 | ("⅖" "(2:5)") ; 2/5 | |
504 | ("⅗" "(3:5)") ; 3/5 | |
505 | ("⅘" "(4:5)") ; 4/5 | |
506 | ("⅙" "(1:6)") ; 1/6 | |
507 | ("⅚" "(5:6)") ; 5/6 | |
508 | ("⅛" "(1:8)") ; 1/8 | |
509 | ("⅜" "(3:8)") ; 3/8 | |
510 | ("⅝" "(5:8)") ; 5/8 | |
511 | ("⅞" "(7:8)") ; 7/8 | |
512 | ("⅟" "1:") ; 1/... | |
513 | ;; superscripts | |
514 | ("⁰" "0") ; 0 | |
515 | ("¹" "1") ; 1 | |
516 | ("²" "2") ; 2 | |
517 | ("³" "3") ; 3 | |
518 | ("⁴" "4") ; 4 | |
519 | ("⁵" "5") ; 5 | |
520 | ("⁶" "6") ; 6 | |
521 | ("⁷" "7") ; 7 | |
522 | ("⁸" "8") ; 8 | |
523 | ("⁹" "9") ; 9 | |
524 | ("⁺" "+") ; + | |
525 | ("⁻" "-") ; - | |
526 | ("⁽" "(") ; ( | |
527 | ("⁾" ")") ; ) | |
528 | ("ⁿ" "n") ; n | |
bf7bae80 JB |
529 | ("ⁱ" "i") ; i |
530 | ;; subscripts | |
531 | ("₀" "0") ; 0 | |
532 | ("₁" "1") ; 1 | |
533 | ("₂" "2") ; 2 | |
534 | ("₃" "3") ; 3 | |
535 | ("₄" "4") ; 4 | |
536 | ("₅" "5") ; 5 | |
537 | ("₆" "6") ; 6 | |
538 | ("₇" "7") ; 7 | |
539 | ("₈" "8") ; 8 | |
540 | ("₉" "9") ; 9 | |
541 | ("₊" "+") ; + | |
542 | ("₋" "-") ; - | |
543 | ("₍" "(") ; ( | |
544 | ("₎" ")")) ; ) | |
c59d10e0 JB |
545 | "A list whose elements (old new) indicate replacements to make |
546 | in Calc algebraic input.") | |
547 | ||
548 | (defvar math-read-superscripts | |
549 | "⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁽⁾ⁿⁱ" ; 0123456789+-()ni | |
550 | "A string consisting of the superscripts allowed by Calc.") | |
551 | ||
bf7bae80 JB |
552 | (defvar math-read-subscripts |
553 | "₀₁₂₃₄₅₆₇₈₉₊₋₍₎" ; 0123456789+-() | |
554 | "A string consisting of the subscripts allowed by Calc.") | |
555 | ||
2378f044 | 556 | ;;;###autoload |
c59d10e0 JB |
557 | (defun math-read-preprocess-string (str) |
558 | "Replace some substrings of STR by Calc equivalents." | |
559 | (setq str | |
560 | (replace-regexp-in-string (concat "[" math-read-superscripts "]+") | |
561 | "^(\\&)" str)) | |
bf7bae80 JB |
562 | (setq str |
563 | (replace-regexp-in-string (concat "[" math-read-subscripts "]+") | |
564 | "_(\\&)" str)) | |
c59d10e0 JB |
565 | (let ((rep-list math-read-replacement-list)) |
566 | (while rep-list | |
567 | (setq str | |
568 | (replace-regexp-in-string (nth 0 (car rep-list)) | |
569 | (nth 1 (car rep-list)) str)) | |
570 | (setq rep-list (cdr rep-list)))) | |
571 | str) | |
572 | ||
d37f2979 JB |
573 | ;; The next few variables are local to math-read-exprs (and math-read-expr |
574 | ;; in calc-ext.el), but are set in functions they call. | |
3cedbf72 JB |
575 | |
576 | (defvar math-exp-pos) | |
577 | (defvar math-exp-str) | |
578 | (defvar math-exp-old-pos) | |
579 | (defvar math-exp-token) | |
580 | (defvar math-exp-keep-spaces) | |
d37f2979 | 581 | (defvar math-expr-data) |
3cedbf72 | 582 | |
2378f044 | 583 | ;;;###autoload |
3cedbf72 JB |
584 | (defun math-read-exprs (math-exp-str) |
585 | (let ((math-exp-pos 0) | |
586 | (math-exp-old-pos 0) | |
587 | (math-exp-keep-spaces nil) | |
588 | math-exp-token math-expr-data) | |
c4446fc2 | 589 | (setq math-exp-str (math-read-preprocess-string math-exp-str)) |
d039d4d8 JB |
590 | (if (memq calc-language calc-lang-allow-percentsigns) |
591 | (setq math-exp-str (math-remove-percentsigns math-exp-str))) | |
136211a9 | 592 | (if calc-language-input-filter |
3cedbf72 | 593 | (setq math-exp-str (funcall calc-language-input-filter math-exp-str))) |
be19ef0b | 594 | (while (setq math-exp-token |
d039d4d8 | 595 | (string-match "\\.\\.\\([^.]\\|.[^.]\\)" math-exp-str)) |
be19ef0b | 596 | (setq math-exp-str |
d039d4d8 | 597 | (concat (substring math-exp-str 0 math-exp-token) "\\dots" |
3cedbf72 | 598 | (substring math-exp-str (+ math-exp-token 2))))) |
136211a9 EZ |
599 | (math-build-parse-table) |
600 | (math-read-token) | |
601 | (let ((val (catch 'syntax (math-read-expr-list)))) | |
602 | (if (stringp val) | |
3cedbf72 JB |
603 | (list 'error math-exp-old-pos val) |
604 | (if (equal math-exp-token 'end) | |
136211a9 | 605 | val |
3cedbf72 | 606 | (list 'error math-exp-old-pos "Syntax error")))))) |
136211a9 | 607 | |
2378f044 | 608 | ;;;###autoload |
136211a9 | 609 | (defun math-read-expr-list () |
3cedbf72 | 610 | (let* ((math-exp-keep-spaces nil) |
136211a9 EZ |
611 | (val (list (math-read-expr-level 0))) |
612 | (last val)) | |
abd880c3 | 613 | (while (equal math-expr-data ",") |
136211a9 EZ |
614 | (math-read-token) |
615 | (let ((rest (list (math-read-expr-level 0)))) | |
616 | (setcdr last rest) | |
617 | (setq last rest))) | |
07ff2bc8 | 618 | val)) |
136211a9 | 619 | |
3132f345 CW |
620 | (defvar calc-user-parse-table nil) |
621 | (defvar calc-last-main-parse-table nil) | |
b2e7f0f0 | 622 | (defvar calc-last-user-lang-parse-table nil) |
3132f345 CW |
623 | (defvar calc-last-lang-parse-table nil) |
624 | (defvar calc-user-tokens nil) | |
625 | (defvar calc-user-token-chars nil) | |
136211a9 | 626 | |
3cedbf72 JB |
627 | (defvar math-toks nil |
628 | "Tokens to pass between math-build-parse-table and math-find-user-tokens.") | |
629 | ||
2378f044 | 630 | ;;;###autoload |
136211a9 EZ |
631 | (defun math-build-parse-table () |
632 | (let ((mtab (cdr (assq nil calc-user-parse-tables))) | |
b2e7f0f0 JB |
633 | (ltab (cdr (assq calc-language calc-user-parse-tables))) |
634 | (lltab (get calc-language 'math-parse-table))) | |
136211a9 | 635 | (or (and (eq mtab calc-last-main-parse-table) |
b2e7f0f0 JB |
636 | (eq ltab calc-last-user-lang-parse-table) |
637 | (eq lltab calc-last-lang-parse-table)) | |
638 | (let ((p (append mtab ltab lltab)) | |
3cedbf72 | 639 | (math-toks nil)) |
136211a9 EZ |
640 | (setq calc-user-parse-table p) |
641 | (setq calc-user-token-chars nil) | |
642 | (while p | |
643 | (math-find-user-tokens (car (car p))) | |
644 | (setq p (cdr p))) | |
645 | (setq calc-user-tokens (mapconcat 'identity | |
3cedbf72 | 646 | (sort (mapcar 'car math-toks) |
136211a9 EZ |
647 | (function (lambda (x y) |
648 | (> (length x) | |
649 | (length y))))) | |
650 | "\\|") | |
651 | calc-last-main-parse-table mtab | |
b2e7f0f0 JB |
652 | calc-last-user-lang-parse-table ltab |
653 | calc-last-lang-parse-table lltab))))) | |
136211a9 | 654 | |
2378f044 | 655 | ;;;###autoload |
3cedbf72 | 656 | (defun math-find-user-tokens (p) |
136211a9 EZ |
657 | (while p |
658 | (cond ((and (stringp (car p)) | |
659 | (or (> (length (car p)) 1) (equal (car p) "$") | |
660 | (equal (car p) "\"")) | |
ae6bc504 | 661 | (string-match "[^a-zA-Zα-ωΑ-Ω0-9]" (car p))) |
136211a9 | 662 | (let ((s (regexp-quote (car p)))) |
ae6bc504 | 663 | (if (string-match "\\`[a-zA-Zα-ωΑ-Ω0-9]" s) |
136211a9 | 664 | (setq s (concat "\\<" s))) |
ae6bc504 | 665 | (if (string-match "[a-zA-Zα-ωΑ-Ω0-9]\\'" s) |
136211a9 | 666 | (setq s (concat s "\\>"))) |
3cedbf72 | 667 | (or (assoc s math-toks) |
136211a9 | 668 | (progn |
3cedbf72 | 669 | (setq math-toks (cons (list s) math-toks)) |
136211a9 EZ |
670 | (or (memq (aref (car p) 0) calc-user-token-chars) |
671 | (setq calc-user-token-chars | |
672 | (cons (aref (car p) 0) | |
673 | calc-user-token-chars))))))) | |
674 | ((consp (car p)) | |
675 | (math-find-user-tokens (nth 1 (car p))) | |
676 | (or (eq (car (car p)) '\?) | |
677 | (math-find-user-tokens (nth 2 (car p)))))) | |
07ff2bc8 | 678 | (setq p (cdr p)))) |
136211a9 | 679 | |
2378f044 | 680 | ;;;###autoload |
136211a9 | 681 | (defun math-read-token () |
3cedbf72 JB |
682 | (if (>= math-exp-pos (length math-exp-str)) |
683 | (setq math-exp-old-pos math-exp-pos | |
684 | math-exp-token 'end | |
abd880c3 | 685 | math-expr-data "\000") |
2807e8e4 JB |
686 | (let (adfn |
687 | (ch (aref math-exp-str math-exp-pos))) | |
3cedbf72 | 688 | (setq math-exp-old-pos math-exp-pos) |
136211a9 | 689 | (cond ((memq ch '(32 10 9)) |
3cedbf72 JB |
690 | (setq math-exp-pos (1+ math-exp-pos)) |
691 | (if math-exp-keep-spaces | |
692 | (setq math-exp-token 'space | |
abd880c3 | 693 | math-expr-data " ") |
136211a9 EZ |
694 | (math-read-token))) |
695 | ((and (memq ch calc-user-token-chars) | |
696 | (let ((case-fold-search nil)) | |
be19ef0b | 697 | (eq (string-match |
d039d4d8 | 698 | calc-user-tokens math-exp-str math-exp-pos) |
3cedbf72 JB |
699 | math-exp-pos))) |
700 | (setq math-exp-token 'punc | |
701 | math-expr-data (math-match-substring math-exp-str 0) | |
702 | math-exp-pos (match-end 0))) | |
136211a9 | 703 | ((or (and (>= ch ?a) (<= ch ?z)) |
ae6bc504 JB |
704 | (and (>= ch ?A) (<= ch ?Z)) |
705 | (and (>= ch ?α) (<= ch ?ω)) | |
706 | (and (>= ch ?Α) (<= ch ?Ω))) | |
be19ef0b | 707 | (string-match |
d039d4d8 JB |
708 | (cond |
709 | ((and (memq calc-language calc-lang-allow-underscores) | |
710 | (memq calc-language calc-lang-allow-percentsigns)) | |
ae6bc504 | 711 | "[a-zA-Zα-ωΑ-Ω0-9_'#]*") |
d039d4d8 | 712 | ((memq calc-language calc-lang-allow-underscores) |
ae6bc504 JB |
713 | "[a-zA-Zα-ωΑ-Ω0-9_#]*") |
714 | (t "[a-zA-Zα-ωΑ-Ω0-9'#]*")) | |
d039d4d8 | 715 | math-exp-str math-exp-pos) |
3cedbf72 JB |
716 | (setq math-exp-token 'symbol |
717 | math-exp-pos (match-end 0) | |
abd880c3 | 718 | math-expr-data (math-restore-dashes |
3cedbf72 | 719 | (math-match-substring math-exp-str 0))) |
2807e8e4 JB |
720 | (if (setq adfn (get calc-language 'math-lang-adjust-words)) |
721 | (funcall adfn))) | |
136211a9 EZ |
722 | ((or (and (>= ch ?0) (<= ch ?9)) |
723 | (and (eq ch '?\.) | |
8f2904a5 | 724 | (eq (string-match "\\.[0-9]" math-exp-str math-exp-pos) |
3cedbf72 | 725 | math-exp-pos)) |
136211a9 | 726 | (and (eq ch '?_) |
8f2904a5 | 727 | (eq (string-match "_\\.?[0-9]" math-exp-str math-exp-pos) |
3cedbf72 JB |
728 | math-exp-pos) |
729 | (or (eq math-exp-pos 0) | |
be19ef0b | 730 | (and (not (memq calc-language |
2807e8e4 | 731 | calc-lang-allow-underscores)) |
ae6bc504 | 732 | (eq (string-match "[^])}\"a-zA-Zα-ωΑ-Ω0-9'$]_" |
3cedbf72 JB |
733 | math-exp-str (1- math-exp-pos)) |
734 | (1- math-exp-pos)))))) | |
2807e8e4 | 735 | (or (and (memq calc-language calc-lang-c-type-hex) |
3cedbf72 | 736 | (string-match "0[xX][0-9a-fA-F]+" math-exp-str math-exp-pos)) |
ae6bc504 | 737 | (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-Zα-ωΑ-Ω:.]+\\|[0-9]+:[0-9:]+\\|[0-9.]+\\([eE][-+_]?[0-9]+\\)?\"?\\)?" |
3cedbf72 JB |
738 | math-exp-str math-exp-pos)) |
739 | (setq math-exp-token 'number | |
740 | math-expr-data (math-match-substring math-exp-str 0) | |
741 | math-exp-pos (match-end 0))) | |
be19ef0b | 742 | ((and (setq adfn |
2807e8e4 JB |
743 | (assq ch (get calc-language 'math-lang-read-symbol))) |
744 | (eval (nth 1 adfn))) | |
745 | (eval (nth 2 adfn))) | |
136211a9 | 746 | ((eq ch ?\$) |
2807e8e4 JB |
747 | (if (eq (string-match "\\$\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) |
748 | math-exp-pos) | |
749 | (setq math-expr-data (- (string-to-number (math-match-substring | |
750 | math-exp-str 1)))) | |
751 | (string-match "\\$+" math-exp-str math-exp-pos) | |
752 | (setq math-expr-data (- (match-end 0) (match-beginning 0)))) | |
753 | (setq math-exp-token 'dollar | |
754 | math-exp-pos (match-end 0))) | |
136211a9 | 755 | ((eq ch ?\#) |
3cedbf72 JB |
756 | (if (eq (string-match "#\\([1-9][0-9]*\\)" math-exp-str math-exp-pos) |
757 | math-exp-pos) | |
36692c4a | 758 | (setq math-expr-data (string-to-number |
3cedbf72 JB |
759 | (math-match-substring math-exp-str 1)) |
760 | math-exp-pos (match-end 0)) | |
abd880c3 | 761 | (setq math-expr-data 1 |
3cedbf72 JB |
762 | math-exp-pos (1+ math-exp-pos))) |
763 | (setq math-exp-token 'hash)) | |
136211a9 | 764 | ((eq (string-match "~=\\|<=\\|>=\\|<>\\|/=\\|\\+/-\\|\\\\dots\\|\\\\ldots\\|\\*\\*\\|<<\\|>>\\|==\\|!=\\|&&&\\||||\\|!!!\\|&&\\|||\\|!!\\|:=\\|::\\|=>" |
3cedbf72 JB |
765 | math-exp-str math-exp-pos) |
766 | math-exp-pos) | |
767 | (setq math-exp-token 'punc | |
768 | math-expr-data (math-match-substring math-exp-str 0) | |
769 | math-exp-pos (match-end 0))) | |
136211a9 | 770 | ((and (eq ch ?\") |
8f2904a5 | 771 | (string-match "\\(\"\\([^\"\\]\\|\\\\.\\)*\\)\\(\"\\|\\'\\)" |
3cedbf72 | 772 | math-exp-str math-exp-pos)) |
2807e8e4 JB |
773 | (setq math-exp-token 'string |
774 | math-expr-data (math-match-substring math-exp-str 1) | |
775 | math-exp-pos (match-end 0))) | |
5fb4539b | 776 | ((and (setq adfn (get calc-language 'math-lang-read)) |
2807e8e4 | 777 | (eval (nth 0 adfn)) |
5fb4539b | 778 | (eval (nth 1 adfn)))) |
3cedbf72 JB |
779 | ((eq (string-match "%%.*$" math-exp-str math-exp-pos) math-exp-pos) |
780 | (setq math-exp-pos (match-end 0)) | |
136211a9 EZ |
781 | (math-read-token)) |
782 | (t | |
2807e8e4 JB |
783 | (if (setq adfn (assq ch (get calc-language 'math-punc-table))) |
784 | (setq ch (cdr adfn))) | |
3cedbf72 | 785 | (setq math-exp-token 'punc |
abd880c3 | 786 | math-expr-data (char-to-string ch) |
3cedbf72 | 787 | math-exp-pos (1+ math-exp-pos))))))) |
136211a9 | 788 | |
d37f2979 JB |
789 | (defconst math-alg-inequalities |
790 | '(calcFunc-lt calcFunc-gt calcFunc-leq calcFunc-geq | |
791 | calcFunc-eq calcFunc-neq)) | |
136211a9 EZ |
792 | |
793 | (defun math-read-expr-level (exp-prec &optional exp-term) | |
16819e48 | 794 | (let* ((math-expr-opers (math-expr-ops)) |
be19ef0b GM |
795 | (x (math-read-factor)) |
796 | (first t) | |
16819e48 | 797 | op op2) |
136211a9 EZ |
798 | (while (and (or (and calc-user-parse-table |
799 | (setq op (calc-check-user-syntax x exp-prec)) | |
800 | (setq x op | |
801 | op '("2x" ident 999999 -1))) | |
abd880c3 | 802 | (and (setq op (assoc math-expr-data math-expr-opers)) |
136211a9 EZ |
803 | (/= (nth 2 op) -1) |
804 | (or (and (setq op2 (assoc | |
abd880c3 | 805 | math-expr-data |
136211a9 EZ |
806 | (cdr (memq op math-expr-opers)))) |
807 | (eq (= (nth 3 op) -1) | |
808 | (/= (nth 3 op2) -1)) | |
809 | (eq (= (nth 3 op2) -1) | |
810 | (not (math-factor-after))) | |
811 | (setq op op2)) | |
812 | t)) | |
813 | (and (or (eq (nth 2 op) -1) | |
3cedbf72 | 814 | (memq math-exp-token '(symbol number dollar hash)) |
abd880c3 JB |
815 | (equal math-expr-data "(") |
816 | (and (equal math-expr-data "[") | |
be19ef0b GM |
817 | (not (equal |
818 | (get calc-language | |
2807e8e4 | 819 | 'math-function-open) "[")) |
3cedbf72 | 820 | (not (and math-exp-keep-spaces |
136211a9 | 821 | (eq (car-safe x) 'vec))))) |
abd880c3 | 822 | (or (not (setq op (assoc math-expr-data math-expr-opers))) |
136211a9 EZ |
823 | (/= (nth 2 op) -1)) |
824 | (or (not calc-user-parse-table) | |
3cedbf72 | 825 | (not (eq math-exp-token 'symbol)) |
136211a9 EZ |
826 | (let ((p calc-user-parse-table)) |
827 | (while (and p | |
828 | (or (not (integerp | |
829 | (car (car (car p))))) | |
830 | (not (equal | |
831 | (nth 1 (car (car p))) | |
abd880c3 | 832 | math-expr-data)))) |
136211a9 EZ |
833 | (setq p (cdr p))) |
834 | (not p))) | |
835 | (setq op (assoc "2x" math-expr-opers)))) | |
abd880c3 | 836 | (not (and exp-term (equal math-expr-data exp-term))) |
136211a9 EZ |
837 | (>= (nth 2 op) exp-prec)) |
838 | (if (not (equal (car op) "2x")) | |
839 | (math-read-token)) | |
840 | (and (memq (nth 1 op) '(sdev mod)) | |
5eb3eeda | 841 | (require 'calc-ext)) |
136211a9 EZ |
842 | (setq x (cond ((consp (nth 1 op)) |
843 | (funcall (car (nth 1 op)) x op)) | |
844 | ((eq (nth 3 op) -1) | |
845 | (if (eq (nth 1 op) 'ident) | |
846 | x | |
847 | (if (eq (nth 1 op) 'closing) | |
848 | (if (eq (nth 2 op) exp-prec) | |
849 | (progn | |
850 | (setq exp-prec 1000) | |
851 | x) | |
852 | (throw 'syntax "Mismatched delimiters")) | |
853 | (list (nth 1 op) x)))) | |
854 | ((and (not first) | |
855 | (memq (nth 1 op) math-alg-inequalities) | |
856 | (memq (car-safe x) math-alg-inequalities)) | |
5eb3eeda | 857 | (require 'calc-ext) |
136211a9 EZ |
858 | (math-composite-inequalities x op)) |
859 | (t (list (nth 1 op) | |
860 | x | |
861 | (math-read-expr-level (nth 3 op) exp-term)))) | |
862 | first nil)) | |
07ff2bc8 | 863 | x)) |
136211a9 | 864 | |
35cdbd30 JB |
865 | ;; calc-arg-values is defined in calc-ext.el, but is used here. |
866 | (defvar calc-arg-values) | |
867 | ||
2378f044 | 868 | ;;;###autoload |
136211a9 EZ |
869 | (defun calc-check-user-syntax (&optional x prec) |
870 | (let ((p calc-user-parse-table) | |
871 | (matches nil) | |
872 | match rule) | |
873 | (while (and p | |
874 | (or (not (progn | |
875 | (setq rule (car (car p))) | |
876 | (if x | |
877 | (and (integerp (car rule)) | |
878 | (>= (car rule) prec) | |
abd880c3 | 879 | (equal math-expr-data |
136211a9 | 880 | (car (setq rule (cdr rule))))) |
abd880c3 | 881 | (equal math-expr-data (car rule))))) |
3cedbf72 JB |
882 | (let ((save-exp-pos math-exp-pos) |
883 | (save-exp-old-pos math-exp-old-pos) | |
884 | (save-exp-token math-exp-token) | |
abd880c3 | 885 | (save-exp-data math-expr-data)) |
136211a9 EZ |
886 | (or (not (listp |
887 | (setq matches (calc-match-user-syntax rule)))) | |
888 | (let ((args (progn | |
5eb3eeda | 889 | (require 'calc-ext) |
136211a9 EZ |
890 | calc-arg-values)) |
891 | (conds nil) | |
892 | temp) | |
893 | (if x | |
894 | (setq matches (cons x matches))) | |
895 | (setq match (cdr (car p))) | |
896 | (while (and (eq (car-safe match) | |
897 | 'calcFunc-condition) | |
898 | (= (length match) 3)) | |
899 | (setq conds (append (math-flatten-lands | |
900 | (nth 2 match)) | |
901 | conds) | |
902 | match (nth 1 match))) | |
903 | (while (and conds match) | |
5eb3eeda | 904 | (require 'calc-ext) |
136211a9 EZ |
905 | (cond ((eq (car-safe (car conds)) |
906 | 'calcFunc-let) | |
907 | (setq temp (car conds)) | |
908 | (or (= (length temp) 3) | |
909 | (and (= (length temp) 2) | |
910 | (eq (car-safe (nth 1 temp)) | |
911 | 'calcFunc-assign) | |
912 | (= (length (nth 1 temp)) 3) | |
913 | (setq temp (nth 1 temp))) | |
914 | (setq match nil)) | |
915 | (setq matches (cons | |
916 | (math-normalize | |
917 | (math-multi-subst | |
918 | (nth 2 temp) | |
919 | args matches)) | |
920 | matches) | |
921 | args (cons (nth 1 temp) | |
922 | args))) | |
923 | ((and (eq (car-safe (car conds)) | |
924 | 'calcFunc-matches) | |
925 | (= (length (car conds)) 3)) | |
926 | (setq temp (calcFunc-vmatches | |
927 | (math-multi-subst | |
928 | (nth 1 (car conds)) | |
929 | args matches) | |
930 | (nth 2 (car conds)))) | |
931 | (if (eq temp 0) | |
932 | (setq match nil) | |
933 | (while (setq temp (cdr temp)) | |
934 | (setq matches (cons (nth 2 (car temp)) | |
935 | matches) | |
936 | args (cons (nth 1 (car temp)) | |
937 | args))))) | |
938 | (t | |
939 | (or (math-is-true (math-simplify | |
940 | (math-multi-subst | |
941 | (car conds) | |
942 | args matches))) | |
943 | (setq match nil)))) | |
944 | (setq conds (cdr conds))) | |
945 | (if match | |
946 | (not (setq match (math-multi-subst | |
947 | match args matches))) | |
3cedbf72 JB |
948 | (setq math-exp-old-pos save-exp-old-pos |
949 | math-exp-token save-exp-token | |
abd880c3 | 950 | math-expr-data save-exp-data |
3cedbf72 | 951 | math-exp-pos save-exp-pos))))))) |
136211a9 | 952 | (setq p (cdr p))) |
07ff2bc8 | 953 | (and p match))) |
136211a9 | 954 | |
2378f044 | 955 | ;;;###autoload |
136211a9 EZ |
956 | (defun calc-match-user-syntax (p &optional term) |
957 | (let ((matches nil) | |
3cedbf72 JB |
958 | (save-exp-pos math-exp-pos) |
959 | (save-exp-old-pos math-exp-old-pos) | |
960 | (save-exp-token math-exp-token) | |
961 | (save-exp-data math-expr-data) | |
962 | m) | |
136211a9 EZ |
963 | (while (and p |
964 | (cond ((stringp (car p)) | |
abd880c3 | 965 | (and (equal math-expr-data (car p)) |
136211a9 EZ |
966 | (progn |
967 | (math-read-token) | |
968 | t))) | |
969 | ((integerp (car p)) | |
970 | (and (setq m (catch 'syntax | |
971 | (math-read-expr-level | |
972 | (car p) | |
973 | (if (cdr p) | |
974 | (if (consp (nth 1 p)) | |
975 | (car (nth 1 (nth 1 p))) | |
976 | (nth 1 p)) | |
977 | term)))) | |
978 | (not (stringp m)) | |
979 | (setq matches (nconc matches (list m))))) | |
980 | ((eq (car (car p)) '\?) | |
981 | (setq m (calc-match-user-syntax (nth 1 (car p)))) | |
982 | (or (nth 2 (car p)) | |
983 | (setq matches | |
984 | (nconc matches | |
985 | (list | |
986 | (cons 'vec (and (listp m) m)))))) | |
987 | (or (listp m) (not (nth 2 (car p))) | |
988 | (not (eq (aref (car (nth 2 (car p))) 0) ?\$)) | |
3cedbf72 | 989 | (eq math-exp-token 'end))) |
136211a9 EZ |
990 | (t |
991 | (setq m (calc-match-user-syntax (nth 1 (car p)) | |
992 | (car (nth 2 (car p))))) | |
993 | (if (listp m) | |
994 | (let ((vec (cons 'vec m)) | |
995 | opos mm) | |
996 | (while (and (listp | |
3cedbf72 | 997 | (setq opos math-exp-pos |
136211a9 EZ |
998 | mm (calc-match-user-syntax |
999 | (or (nth 2 (car p)) | |
1000 | (nth 1 (car p))) | |
1001 | (car (nth 2 (car p)))))) | |
3cedbf72 | 1002 | (> math-exp-pos opos)) |
136211a9 EZ |
1003 | (setq vec (nconc vec mm))) |
1004 | (setq matches (nconc matches (list vec)))) | |
1005 | (and (eq (car (car p)) '*) | |
1006 | (setq matches (nconc matches (list '(vec))))))))) | |
1007 | (setq p (cdr p))) | |
1008 | (if p | |
3cedbf72 JB |
1009 | (setq math-exp-pos save-exp-pos |
1010 | math-exp-old-pos save-exp-old-pos | |
1011 | math-exp-token save-exp-token | |
abd880c3 | 1012 | math-expr-data save-exp-data |
136211a9 | 1013 | matches "Failed")) |
07ff2bc8 | 1014 | matches)) |
136211a9 | 1015 | |
2378f044 | 1016 | ;;;###autoload |
136211a9 EZ |
1017 | (defun math-remove-dashes (x) |
1018 | (if (string-match "\\`\\(.*\\)-\\(.*\\)\\'" x) | |
1019 | (math-remove-dashes | |
1020 | (concat (math-match-substring x 1) "#" (math-match-substring x 2))) | |
07ff2bc8 | 1021 | x)) |
136211a9 | 1022 | |
d039d4d8 | 1023 | (defun math-remove-percentsigns (x) |
d039d4d8 JB |
1024 | (if (string-match "\\`\\(.*\\)%\\(.*\\)\\'" x) |
1025 | (math-remove-percentsigns | |
c0db5755 | 1026 | (concat (math-match-substring x 1) "o'o" (math-match-substring x 2))) |
d039d4d8 JB |
1027 | x)) |
1028 | ||
136211a9 EZ |
1029 | (defun math-restore-dashes (x) |
1030 | (if (string-match "\\`\\(.*\\)[#_]\\(.*\\)\\'" x) | |
1031 | (math-restore-dashes | |
1032 | (concat (math-match-substring x 1) "-" (math-match-substring x 2))) | |
07ff2bc8 | 1033 | x)) |
136211a9 | 1034 | |
d039d4d8 JB |
1035 | (defun math-restore-placeholders (x) |
1036 | "Replace placeholders by the proper characters in the symbol x. | |
1037 | This includes `#' for `_' and `'' for `%'. | |
1038 | If the current Calc language does not use placeholders, return nil." | |
1039 | (if (or (memq calc-language calc-lang-allow-underscores) | |
1040 | (memq calc-language calc-lang-allow-percentsigns)) | |
1041 | (let ((sx (symbol-name x))) | |
1042 | (when (memq calc-language calc-lang-allow-percentsigns) | |
1043 | (require 'calccomp) | |
1044 | (setq sx (math-to-percentsigns sx))) | |
1045 | (if (memq calc-language calc-lang-allow-underscores) | |
1046 | (setq sx (math-string-restore-underscores sx))) | |
1047 | (intern-soft sx)))) | |
57f8977d JB |
1048 | |
1049 | (defun math-string-restore-underscores (x) | |
1050 | "Replace pound signs by underscores in the string x." | |
1051 | (if (string-match "\\`\\(.*\\)#\\(.*\\)\\'" x) | |
1052 | (math-string-restore-underscores | |
1053 | (concat (math-match-substring x 1) "_" (math-match-substring x 2))) | |
1054 | x)) | |
1055 | ||
2378f044 | 1056 | ;;;###autoload |
136211a9 EZ |
1057 | (defun math-read-if (cond op) |
1058 | (let ((then (math-read-expr-level 0))) | |
abd880c3 | 1059 | (or (equal math-expr-data ":") |
136211a9 EZ |
1060 | (throw 'syntax "Expected ':'")) |
1061 | (math-read-token) | |
07ff2bc8 | 1062 | (list 'calcFunc-if cond then (math-read-expr-level (nth 3 op))))) |
136211a9 EZ |
1063 | |
1064 | (defun math-factor-after () | |
3cedbf72 JB |
1065 | (let ((math-exp-pos math-exp-pos) |
1066 | math-exp-old-pos math-exp-token math-expr-data) | |
136211a9 | 1067 | (math-read-token) |
3cedbf72 | 1068 | (or (memq math-exp-token '(number symbol dollar hash string)) |
abd880c3 JB |
1069 | (and (assoc math-expr-data '(("-") ("+") ("!") ("|") ("/"))) |
1070 | (assoc (concat "u" math-expr-data) math-expr-opers)) | |
1071 | (eq (nth 2 (assoc math-expr-data math-expr-opers)) -1) | |
1072 | (assoc math-expr-data '(("(") ("[") ("{")))))) | |
136211a9 EZ |
1073 | |
1074 | (defun math-read-factor () | |
16819e48 JB |
1075 | (let ((math-expr-opers (math-expr-ops)) |
1076 | op) | |
3cedbf72 | 1077 | (cond ((eq math-exp-token 'number) |
abd880c3 | 1078 | (let ((num (math-read-number math-expr-data))) |
136211a9 EZ |
1079 | (if (not num) |
1080 | (progn | |
3cedbf72 | 1081 | (setq math-exp-old-pos math-exp-pos) |
136211a9 EZ |
1082 | (throw 'syntax "Bad format"))) |
1083 | (math-read-token) | |
1084 | (if (and math-read-expr-quotes | |
1085 | (consp num)) | |
1086 | (list 'quote num) | |
1087 | num))) | |
1088 | ((and calc-user-parse-table | |
1089 | (setq op (calc-check-user-syntax))) | |
1090 | op) | |
abd880c3 JB |
1091 | ((or (equal math-expr-data "-") |
1092 | (equal math-expr-data "+") | |
1093 | (equal math-expr-data "!") | |
1094 | (equal math-expr-data "|") | |
1095 | (equal math-expr-data "/")) | |
1096 | (setq math-expr-data (concat "u" math-expr-data)) | |
136211a9 | 1097 | (math-read-factor)) |
abd880c3 | 1098 | ((and (setq op (assoc math-expr-data math-expr-opers)) |
136211a9 EZ |
1099 | (eq (nth 2 op) -1)) |
1100 | (if (consp (nth 1 op)) | |
1101 | (funcall (car (nth 1 op)) op) | |
1102 | (math-read-token) | |
1103 | (let ((val (math-read-expr-level (nth 3 op)))) | |
1104 | (cond ((eq (nth 1 op) 'ident) | |
1105 | val) | |
1106 | ((and (Math-numberp val) | |
1107 | (equal (car op) "u-")) | |
1108 | (math-neg val)) | |
1109 | (t (list (nth 1 op) val)))))) | |
3cedbf72 | 1110 | ((eq math-exp-token 'symbol) |
abd880c3 | 1111 | (let ((sym (intern math-expr-data))) |
136211a9 | 1112 | (math-read-token) |
abd880c3 | 1113 | (if (equal math-expr-data calc-function-open) |
136211a9 EZ |
1114 | (let ((f (assq sym math-expr-function-mapping))) |
1115 | (math-read-token) | |
1116 | (if (consp (cdr f)) | |
1117 | (funcall (car (cdr f)) f sym) | |
abd880c3 | 1118 | (let ((args (if (or (equal math-expr-data calc-function-close) |
3cedbf72 | 1119 | (eq math-exp-token 'end)) |
136211a9 EZ |
1120 | nil |
1121 | (math-read-expr-list)))) | |
abd880c3 | 1122 | (if (not (or (equal math-expr-data calc-function-close) |
3cedbf72 | 1123 | (eq math-exp-token 'end))) |
136211a9 EZ |
1124 | (throw 'syntax "Expected `)'")) |
1125 | (math-read-token) | |
be19ef0b GM |
1126 | (if (and (memq calc-language |
1127 | calc-lang-parens-are-subscripts) | |
2807e8e4 | 1128 | args |
5eb3eeda | 1129 | (require 'calc-ext) |
136211a9 EZ |
1130 | (let ((calc-matrix-mode 'scalar)) |
1131 | (math-known-matrixp | |
1132 | (list 'var sym | |
1133 | (intern | |
1134 | (concat "var-" | |
1135 | (symbol-name sym))))))) | |
1136 | (math-parse-fortran-subscr sym args) | |
1137 | (if f | |
1138 | (setq sym (cdr f)) | |
1139 | (and (= (aref (symbol-name sym) 0) ?\\) | |
1140 | (< (prefix-numeric-value calc-language-option) | |
1141 | 0) | |
1142 | (setq sym (intern (substring (symbol-name sym) | |
1143 | 1)))) | |
1144 | (or (string-match "-" (symbol-name sym)) | |
1145 | (setq sym (intern | |
1146 | (concat "calcFunc-" | |
1147 | (symbol-name sym)))))) | |
1148 | (cons sym args))))) | |
1149 | (if math-read-expr-quotes | |
1150 | sym | |
1151 | (let ((val (list 'var | |
1152 | (intern (math-remove-dashes | |
1153 | (symbol-name sym))) | |
1154 | (if (string-match "-" (symbol-name sym)) | |
1155 | sym | |
1156 | (intern (concat "var-" | |
1157 | (symbol-name sym))))))) | |
57f8977d JB |
1158 | (let ((v (or |
1159 | (assq (nth 1 val) math-expr-variable-mapping) | |
d039d4d8 | 1160 | (assq (math-restore-placeholders (nth 1 val)) |
57f8977d | 1161 | math-expr-variable-mapping)))) |
136211a9 EZ |
1162 | (and v (setq val (if (consp (cdr v)) |
1163 | (funcall (car (cdr v)) v val) | |
1164 | (list 'var | |
1165 | (intern | |
1166 | (substring (symbol-name (cdr v)) | |
1167 | 4)) | |
1168 | (cdr v)))))) | |
be19ef0b | 1169 | (while (and (memq calc-language |
2807e8e4 | 1170 | calc-lang-brackets-are-subscripts) |
abd880c3 | 1171 | (equal math-expr-data "[")) |
136211a9 | 1172 | (math-read-token) |
2807e8e4 JB |
1173 | (let ((el (math-read-expr-list))) |
1174 | (while el | |
1175 | (setq val (append (list 'calcFunc-subscr val) | |
1176 | (list (car el)))) | |
1177 | (setq el (cdr el)))) | |
abd880c3 | 1178 | (if (equal math-expr-data "]") |
136211a9 EZ |
1179 | (math-read-token) |
1180 | (throw 'syntax "Expected ']'"))) | |
1181 | val))))) | |
3cedbf72 | 1182 | ((eq math-exp-token 'dollar) |
abd880c3 | 1183 | (let ((abs (if (> math-expr-data 0) math-expr-data (- math-expr-data)))) |
136211a9 | 1184 | (if (>= (length calc-dollar-values) abs) |
abd880c3 | 1185 | (let ((num math-expr-data)) |
136211a9 EZ |
1186 | (math-read-token) |
1187 | (setq calc-dollar-used (max calc-dollar-used num)) | |
1188 | (math-check-complete (nth (1- abs) calc-dollar-values))) | |
1189 | (throw 'syntax (if calc-dollar-values | |
1190 | "Too many $'s" | |
1191 | "$'s not allowed in this context"))))) | |
3cedbf72 | 1192 | ((eq math-exp-token 'hash) |
136211a9 EZ |
1193 | (or calc-hashes-used |
1194 | (throw 'syntax "#'s not allowed in this context")) | |
5eb3eeda | 1195 | (require 'calc-ext) |
abd880c3 JB |
1196 | (if (<= math-expr-data (length calc-arg-values)) |
1197 | (let ((num math-expr-data)) | |
136211a9 EZ |
1198 | (math-read-token) |
1199 | (setq calc-hashes-used (max calc-hashes-used num)) | |
1200 | (nth (1- num) calc-arg-values)) | |
1201 | (throw 'syntax "Too many # arguments"))) | |
abd880c3 | 1202 | ((equal math-expr-data "(") |
3cedbf72 | 1203 | (let* ((exp (let ((math-exp-keep-spaces nil)) |
136211a9 | 1204 | (math-read-token) |
abd880c3 JB |
1205 | (if (or (equal math-expr-data "\\dots") |
1206 | (equal math-expr-data "\\ldots")) | |
136211a9 EZ |
1207 | '(neg (var inf var-inf)) |
1208 | (math-read-expr-level 0))))) | |
3cedbf72 | 1209 | (let ((math-exp-keep-spaces nil)) |
136211a9 | 1210 | (cond |
abd880c3 | 1211 | ((equal math-expr-data ",") |
136211a9 EZ |
1212 | (progn |
1213 | (math-read-token) | |
1214 | (let ((exp2 (math-read-expr-level 0))) | |
1215 | (setq exp | |
1216 | (if (and exp2 (Math-realp exp) (Math-realp exp2)) | |
1217 | (math-normalize (list 'cplx exp exp2)) | |
1218 | (list '+ exp (list '* exp2 '(var i var-i)))))))) | |
abd880c3 | 1219 | ((equal math-expr-data ";") |
136211a9 EZ |
1220 | (progn |
1221 | (math-read-token) | |
1222 | (let ((exp2 (math-read-expr-level 0))) | |
1223 | (setq exp (if (and exp2 (Math-realp exp) | |
1224 | (Math-anglep exp2)) | |
1225 | (math-normalize (list 'polar exp exp2)) | |
5eb3eeda | 1226 | (require 'calc-ext) |
136211a9 EZ |
1227 | (list '* exp |
1228 | (list 'calcFunc-exp | |
1229 | (list '* | |
1230 | (math-to-radians-2 exp2) | |
1231 | '(var i var-i))))))))) | |
abd880c3 JB |
1232 | ((or (equal math-expr-data "\\dots") |
1233 | (equal math-expr-data "\\ldots")) | |
136211a9 EZ |
1234 | (progn |
1235 | (math-read-token) | |
abd880c3 JB |
1236 | (let ((exp2 (if (or (equal math-expr-data ")") |
1237 | (equal math-expr-data "]") | |
3cedbf72 | 1238 | (eq math-exp-token 'end)) |
136211a9 EZ |
1239 | '(var inf var-inf) |
1240 | (math-read-expr-level 0)))) | |
1241 | (setq exp | |
1242 | (list 'intv | |
abd880c3 | 1243 | (if (equal math-expr-data ")") 0 1) |
136211a9 EZ |
1244 | exp |
1245 | exp2))))))) | |
abd880c3 JB |
1246 | (if (not (or (equal math-expr-data ")") |
1247 | (and (equal math-expr-data "]") (eq (car-safe exp) 'intv)) | |
3cedbf72 | 1248 | (eq math-exp-token 'end))) |
136211a9 EZ |
1249 | (throw 'syntax "Expected `)'")) |
1250 | (math-read-token) | |
1251 | exp)) | |
3cedbf72 | 1252 | ((eq math-exp-token 'string) |
5eb3eeda | 1253 | (require 'calc-ext) |
136211a9 | 1254 | (math-read-string)) |
abd880c3 | 1255 | ((equal math-expr-data "[") |
5eb3eeda | 1256 | (require 'calc-ext) |
136211a9 | 1257 | (math-read-brackets t "]")) |
abd880c3 | 1258 | ((equal math-expr-data "{") |
5eb3eeda | 1259 | (require 'calc-ext) |
136211a9 | 1260 | (math-read-brackets nil "}")) |
abd880c3 | 1261 | ((equal math-expr-data "<") |
5eb3eeda | 1262 | (require 'calc-ext) |
136211a9 | 1263 | (math-read-angle-brackets)) |
07ff2bc8 | 1264 | (t (throw 'syntax "Expected a number"))))) |
136211a9 | 1265 | |
47233535 JB |
1266 | (provide 'calc-aent) |
1267 | ||
2378f044 | 1268 | ;; Local variables: |
be19ef0b | 1269 | ;; coding: utf-8 |
2378f044 SM |
1270 | ;; generated-autoload-file: "calc-loaddefs.el" |
1271 | ;; End: | |
1272 | ||
07ff2bc8 | 1273 | ;;; calc-aent.el ends here |