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ddc9006b | 1 | ;;; Guile Emacs Lisp -*- lexical-binding: t -*- |
6937c7aa BT |
2 | |
3 | ;;; Copyright (C) 2011 Free Software Foundation, Inc. | |
4 | ||
5 | ;;; This library is free software; you can redistribute it and/or modify | |
6 | ;;; it under the terms of the GNU Lesser General Public License as | |
7 | ;;; published by the Free Software Foundation; either version 3 of the | |
8 | ;;; License, or (at your option) any later version. | |
9 | ;;; | |
10 | ;;; This library is distributed in the hope that it will be useful, but | |
11 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | ;;; Lesser General Public License for more details. | |
14 | ;;; | |
15 | ;;; You should have received a copy of the GNU Lesser General Public | |
16 | ;;; License along with this library; if not, write to the Free Software | |
17 | ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
18 | ;;; 02110-1301 USA | |
19 | ||
20 | ;;; Code: | |
9b15703d BT |
21 | |
22 | (defmacro @ (module symbol) | |
23 | `(guile-ref ,module ,symbol)) | |
24 | ||
b652e2b9 BT |
25 | (defmacro eval-and-compile (&rest body) |
26 | `(progn | |
27 | (eval-when-compile ,@body) | |
28 | (progn ,@body))) | |
29 | ||
30 | (eval-and-compile | |
b652e2b9 BT |
31 | (defun null (object) |
32 | (if object nil t)) | |
b05ca4ab BT |
33 | (defun consp (object) |
34 | (%funcall (@ (guile) pair?) object)) | |
b652e2b9 BT |
35 | (defun listp (object) |
36 | (if object (consp object) t)) | |
37 | (defun car (list) | |
b05ca4ab | 38 | (if list (%funcall (@ (guile) car) list) nil)) |
b652e2b9 | 39 | (defun cdr (list) |
b05ca4ab BT |
40 | (if list (%funcall (@ (guile) cdr) list) nil)) |
41 | (defun make-symbol (name) | |
42 | (%funcall (@ (guile) make-symbol) name)) | |
5950f674 BT |
43 | (defun signal (error-symbol data) |
44 | (%funcall (@ (guile) throw) 'elisp-condition error-symbol data))) | |
b652e2b9 BT |
45 | |
46 | (defmacro lambda (&rest cdr) | |
47 | `#'(lambda ,@cdr)) | |
48 | ||
49 | (defmacro prog1 (first &rest body) | |
50 | (let ((temp (make-symbol "prog1-temp"))) | |
13f022c9 BT |
51 | `(let ((,temp ,first)) |
52 | (declare (lexical ,temp)) | |
b652e2b9 BT |
53 | ,@body |
54 | ,temp))) | |
55 | ||
56 | (defmacro prog2 (form1 form2 &rest body) | |
57 | `(progn ,form1 (prog1 ,form2 ,@body))) | |
58 | ||
59 | (defmacro cond (&rest clauses) | |
60 | (if (null clauses) | |
61 | nil | |
62 | (let ((first (car clauses)) | |
63 | (rest (cdr clauses))) | |
64 | (if (listp first) | |
65 | (let ((condition (car first)) | |
66 | (body (cdr first))) | |
67 | (if (null body) | |
68 | (let ((temp (make-symbol "cond-temp"))) | |
13f022c9 BT |
69 | `(let ((,temp ,condition)) |
70 | (declare (lexical ,temp)) | |
b652e2b9 BT |
71 | (if ,temp |
72 | ,temp | |
73 | (cond ,@rest)))) | |
74 | `(if ,condition | |
75 | (progn ,@body) | |
76 | (cond ,@rest)))) | |
77 | (signal 'wrong-type-argument `(listp ,first)))))) | |
78 | ||
79 | (defmacro and (&rest conditions) | |
80 | (cond ((null conditions) t) | |
81 | ((null (cdr conditions)) (car conditions)) | |
82 | (t `(if ,(car conditions) | |
83 | (and ,@(cdr conditions)) | |
84 | nil)))) | |
85 | ||
86 | (defmacro or (&rest conditions) | |
87 | (cond ((null conditions) nil) | |
88 | ((null (cdr conditions)) (car conditions)) | |
89 | (t (let ((temp (make-symbol "or-temp"))) | |
13f022c9 BT |
90 | `(let ((,temp ,(car conditions))) |
91 | (declare (lexical ,temp)) | |
b652e2b9 BT |
92 | (if ,temp |
93 | ,temp | |
94 | (or ,@(cdr conditions)))))))) | |
95 | ||
9083c48d BT |
96 | (defmacro lexical-let (bindings &rest body) |
97 | (labels ((loop (list vars) | |
98 | (if (null list) | |
99 | `(let ,bindings | |
100 | (declare (lexical ,@vars)) | |
101 | ,@body) | |
102 | (loop (cdr list) | |
103 | (if (consp (car list)) | |
104 | `(,(car (car list)) ,@vars) | |
105 | `(,(car list) ,@vars)))))) | |
106 | (loop bindings '()))) | |
107 | ||
108 | (defmacro lexical-let* (bindings &rest body) | |
109 | (labels ((loop (list vars) | |
110 | (if (null list) | |
111 | `(let* ,bindings | |
112 | (declare (lexical ,@vars)) | |
113 | ,@body) | |
114 | (loop (cdr list) | |
115 | (if (consp (car list)) | |
116 | (cons (car (car list)) vars) | |
117 | (cons (car list) vars)))))) | |
118 | (loop bindings '()))) | |
119 | ||
9b90b453 BT |
120 | (defmacro while (test &rest body) |
121 | (let ((loop (make-symbol "loop"))) | |
122 | `(labels ((,loop () | |
123 | (if ,test | |
124 | (progn ,@body (,loop)) | |
125 | nil))) | |
126 | (,loop)))) | |
127 | ||
b652e2b9 BT |
128 | (defmacro unwind-protect (bodyform &rest unwindforms) |
129 | `(funcall (@ (guile) dynamic-wind) | |
130 | #'(lambda () nil) | |
131 | #'(lambda () ,bodyform) | |
132 | #'(lambda () ,@unwindforms))) | |
9b15703d | 133 | |
c0652730 BT |
134 | (defmacro when (cond &rest body) |
135 | `(if ,cond | |
136 | (progn ,@body))) | |
137 | ||
138 | (defmacro unless (cond &rest body) | |
139 | `(when (not ,cond) | |
140 | ,@body)) | |
141 | ||
b05ca4ab BT |
142 | (defun symbolp (object) |
143 | (%funcall (@ (guile) symbol?) object)) | |
144 | ||
145 | (defun functionp (object) | |
146 | (%funcall (@ (guile) procedure?) object)) | |
147 | ||
148 | (defun symbol-function (symbol) | |
149 | (let ((f (%funcall (@ (language elisp runtime) symbol-function) | |
150 | symbol))) | |
151 | (if (%funcall (@ (language elisp falias) falias?) f) | |
152 | (%funcall (@ (language elisp falias) falias-object) f) | |
153 | f))) | |
97d9da9a | 154 | |
5bcc6d9e | 155 | (defun eval (form) |
b05ca4ab BT |
156 | (%funcall (@ (system base compile) compile) |
157 | form | |
158 | (%funcall (@ (guile) symbol->keyword) 'from) | |
159 | 'elisp | |
160 | (%funcall (@ (guile) symbol->keyword) 'to) | |
161 | 'value)) | |
162 | ||
163 | (defun %indirect-function (object) | |
164 | (cond | |
165 | ((functionp object) | |
166 | object) | |
167 | ((symbolp object) ;++ cycle detection | |
168 | (%indirect-function (symbol-function object))) | |
169 | ((listp object) | |
170 | (eval `(function ,object))) | |
171 | (t | |
172 | (signal 'invalid-function `(,object))))) | |
173 | ||
174 | (defun apply (function &rest arguments) | |
175 | (%funcall (@ (guile) apply) | |
176 | (@ (guile) apply) | |
177 | (%indirect-function function) | |
178 | arguments)) | |
179 | ||
180 | (defun funcall (function &rest arguments) | |
181 | (%funcall (@ (guile) apply) | |
182 | (%indirect-function function) | |
183 | arguments)) | |
184 | ||
185 | (defun fset (symbol definition) | |
186 | (funcall (@ (language elisp runtime) set-symbol-function!) | |
187 | symbol | |
188 | (if (functionp definition) | |
189 | definition | |
190 | (funcall (@ (language elisp falias) make-falias) | |
191 | #'(lambda (&rest args) (apply definition args)) | |
192 | definition))) | |
193 | definition) | |
194 | ||
5bcc6d9e BT |
195 | (defun load (file) |
196 | (funcall (@ (system base compile) compile-file) | |
197 | file | |
198 | (funcall (@ (guile) symbol->keyword) 'from) | |
199 | 'elisp | |
200 | (funcall (@ (guile) symbol->keyword) 'to) | |
201 | 'value) | |
202 | t) | |
203 | ||
9b15703d BT |
204 | ;;; Equality predicates |
205 | ||
0ab2a63a BT |
206 | (defun eq (obj1 obj2) |
207 | (if obj1 | |
208 | (funcall (@ (guile) eq?) obj1 obj2) | |
209 | (null obj2))) | |
210 | ||
211 | (defun eql (obj1 obj2) | |
212 | (if obj1 | |
213 | (funcall (@ (guile) eqv?) obj1 obj2) | |
214 | (null obj2))) | |
215 | ||
216 | (defun equal (obj1 obj2) | |
217 | (if obj1 | |
218 | (funcall (@ (guile) equal?) obj1 obj2) | |
219 | (null obj2))) | |
9b15703d | 220 | |
85bc6238 BT |
221 | ;;; Symbols |
222 | ||
b05ca4ab BT |
223 | ;;; `symbolp' and `symbol-function' are defined above. |
224 | ||
5c65ee51 | 225 | (fset 'symbol-name (@ (guile) symbol->string)) |
85bc6238 | 226 | (fset 'symbol-value (@ (language elisp runtime) symbol-value)) |
85bc6238 BT |
227 | (fset 'set (@ (language elisp runtime) set-symbol-value!)) |
228 | (fset 'makunbound (@ (language elisp runtime) makunbound!)) | |
229 | (fset 'fmakunbound (@ (language elisp runtime) fmakunbound!)) | |
230 | (fset 'boundp (@ (language elisp runtime) symbol-bound?)) | |
231 | (fset 'fboundp (@ (language elisp runtime) symbol-fbound?)) | |
5c65ee51 | 232 | (fset 'intern (@ (guile) string->symbol)) |
85bc6238 | 233 | |
14b288ce BT |
234 | (defun defvaralias (new-alias base-variable &optional docstring) |
235 | (let ((fluid (funcall (@ (language elisp runtime) symbol-fluid) | |
236 | base-variable))) | |
237 | (funcall (@ (language elisp runtime) set-symbol-fluid!) | |
238 | new-alias | |
239 | fluid) | |
240 | base-variable)) | |
241 | ||
9b15703d BT |
242 | ;;; Numerical type predicates |
243 | ||
244 | (defun floatp (object) | |
245 | (and (funcall (@ (guile) real?) object) | |
246 | (or (funcall (@ (guile) inexact?) object) | |
247 | (null (funcall (@ (guile) integer?) object))))) | |
248 | ||
249 | (defun integerp (object) | |
fc45b7e8 BT |
250 | (and (funcall (@ (guile) integer?) object) |
251 | (funcall (@ (guile) exact?) object))) | |
9b15703d BT |
252 | |
253 | (defun numberp (object) | |
254 | (funcall (@ (guile) real?) object)) | |
255 | ||
256 | (defun wholenump (object) | |
fc45b7e8 | 257 | (and (integerp object) (>= object 0))) |
9b15703d BT |
258 | |
259 | (defun zerop (object) | |
260 | (= object 0)) | |
261 | ||
262 | ;;; Numerical comparisons | |
263 | ||
264 | (fset '= (@ (guile) =)) | |
265 | ||
266 | (defun /= (num1 num2) | |
267 | (null (= num1 num2))) | |
268 | ||
269 | (fset '< (@ (guile) <)) | |
270 | (fset '<= (@ (guile) <=)) | |
271 | (fset '> (@ (guile) >)) | |
272 | (fset '>= (@ (guile) >=)) | |
273 | ||
274 | (defun max (&rest numbers) | |
275 | (apply (@ (guile) max) numbers)) | |
276 | ||
277 | (defun min (&rest numbers) | |
278 | (apply (@ (guile) min) numbers)) | |
279 | ||
280 | ;;; Arithmetic functions | |
281 | ||
282 | (fset '1+ (@ (guile) 1+)) | |
283 | (fset '1- (@ (guile) 1-)) | |
284 | (fset '+ (@ (guile) +)) | |
285 | (fset '- (@ (guile) -)) | |
286 | (fset '* (@ (guile) *)) | |
287 | (fset '% (@ (guile) modulo)) | |
288 | (fset 'abs (@ (guile) abs)) | |
289 | ||
290 | ;;; Floating-point rounding | |
291 | ||
292 | (fset 'ffloor (@ (guile) floor)) | |
293 | (fset 'fceiling (@ (guile) ceiling)) | |
294 | (fset 'ftruncate (@ (guile) truncate)) | |
295 | (fset 'fround (@ (guile) round)) | |
296 | ||
297 | ;;; Numeric conversion | |
298 | ||
299 | (defun float (arg) | |
300 | (if (numberp arg) | |
301 | (funcall (@ (guile) exact->inexact) arg) | |
302 | (signal 'wrong-type-argument `(numberp ,arg)))) | |
303 | ||
304 | ;;; List predicates | |
305 | ||
9b15703d BT |
306 | (fset 'not #'null) |
307 | ||
308 | (defun atom (object) | |
309 | (null (consp object))) | |
310 | ||
9b15703d BT |
311 | (defun nlistp (object) |
312 | (null (listp object))) | |
313 | ||
314 | ;;; Lists | |
315 | ||
316 | (fset 'cons (@ (guile) cons)) | |
317 | (fset 'list (@ (guile) list)) | |
318 | (fset 'make-list (@ (guile) make-list)) | |
319 | (fset 'append (@ (guile) append)) | |
320 | (fset 'reverse (@ (guile) reverse)) | |
12c00a04 | 321 | (fset 'nreverse (@ (guile) reverse!)) |
9b15703d | 322 | |
9b15703d BT |
323 | (defun car-safe (object) |
324 | (if (consp object) | |
325 | (car object) | |
326 | nil)) | |
327 | ||
328 | (defun cdr-safe (object) | |
329 | (if (consp object) | |
330 | (cdr object) | |
331 | nil)) | |
332 | ||
333 | (defun setcar (cell newcar) | |
334 | (if (consp cell) | |
335 | (progn | |
336 | (funcall (@ (guile) set-car!) cell newcar) | |
337 | newcar) | |
338 | (signal 'wrong-type-argument `(consp ,cell)))) | |
339 | ||
340 | (defun setcdr (cell newcdr) | |
341 | (if (consp cell) | |
342 | (progn | |
343 | (funcall (@ (guile) set-cdr!) cell newcdr) | |
344 | newcdr) | |
345 | (signal 'wrong-type-argument `(consp ,cell)))) | |
346 | ||
347 | (defun nthcdr (n list) | |
348 | (let ((i 0)) | |
349 | (while (< i n) | |
350 | (setq list (cdr list) | |
351 | i (+ i 1))) | |
352 | list)) | |
353 | ||
354 | (defun nth (n list) | |
355 | (car (nthcdr n list))) | |
356 | ||
df9cd3b4 BT |
357 | (defun %member (elt list test) |
358 | (cond | |
359 | ((null list) nil) | |
360 | ((consp list) | |
361 | (if (funcall test elt (car list)) | |
362 | list | |
363 | (%member elt (cdr list) test))) | |
364 | (t (signal 'wrong-type-argument `(listp ,list))))) | |
365 | ||
366 | (defun member (elt list) | |
367 | (%member elt list #'equal)) | |
368 | ||
369 | (defun memql (elt list) | |
370 | (%member elt list #'eql)) | |
371 | ||
372 | (defun memq (elt list) | |
373 | (%member elt list #'eq)) | |
374 | ||
12c00a04 BT |
375 | (defun assoc (key list) |
376 | (funcall (@ (srfi srfi-1) assoc) key list #'equal)) | |
377 | ||
378 | (defun assq (key list) | |
379 | (funcall (@ (srfi srfi-1) assoc) key list #'eq)) | |
380 | ||
381 | (defun rplaca (cell newcar) | |
382 | (funcall (@ (guile) set-car!) cell newcar) | |
383 | newcar) | |
384 | ||
385 | (defun rplacd (cell newcdr) | |
386 | (funcall (@ (guile) set-cdr!) cell newcdr) | |
387 | newcdr) | |
388 | ||
389 | (defun caar (x) | |
390 | (car (car x))) | |
391 | ||
392 | (defun cadr (x) | |
393 | (car (cdr x))) | |
394 | ||
395 | (defun cdar (x) | |
396 | (cdr (car x))) | |
397 | ||
398 | (defun cddr (x) | |
399 | (cdr (cdr x))) | |
400 | ||
401 | (defmacro dolist (spec &rest body) | |
402 | (apply #'(lambda (var list &optional result) | |
403 | `(mapc #'(lambda (,var) | |
404 | ,@body | |
405 | ,result) | |
406 | ,list)) | |
407 | spec)) | |
408 | ||
8f2f6566 BT |
409 | ;;; Strings |
410 | ||
411 | (defun string (&rest characters) | |
412 | (funcall (@ (guile) list->string) | |
413 | (mapcar (@ (guile) integer->char) characters))) | |
414 | ||
12c00a04 BT |
415 | (defun stringp (object) |
416 | (funcall (@ (guile) string?) object)) | |
417 | ||
418 | (defun string-equal (s1 s2) | |
419 | (let ((s1 (if (symbolp s1) (symbol-name s1) s1)) | |
420 | (s2 (if (symbolp s2) (symbol-name s2) s2))) | |
421 | (funcall (@ (guile) string=?) s1 s2))) | |
422 | ||
423 | (fset 'string= 'string-equal) | |
424 | ||
425 | (defun substring (string from &optional to) | |
426 | (apply (@ (guile) substring) string from (if to (list to) nil))) | |
427 | ||
428 | (defun upcase (obj) | |
429 | (funcall (@ (guile) string-upcase) obj)) | |
430 | ||
431 | (defun downcase (obj) | |
432 | (funcall (@ (guile) string-downcase) obj)) | |
433 | ||
434 | (defun string-match (regexp string &optional start) | |
435 | (let ((m (funcall (@ (ice-9 regex) string-match) | |
436 | regexp | |
437 | string | |
438 | (or start 0)))) | |
439 | (if m | |
440 | (funcall (@ (ice-9 regex) match:start) m 0) | |
441 | nil))) | |
442 | ||
443 | ;; Vectors | |
444 | ||
445 | (defun make-vector (length init) | |
446 | (funcall (@ (guile) make-vector) length init)) | |
447 | ||
9b15703d BT |
448 | ;;; Sequences |
449 | ||
ebc30e3f BT |
450 | (defun length (sequence) |
451 | (funcall (if (listp sequence) | |
452 | (@ (guile) length) | |
453 | (@ (guile) generalized-vector-length)) | |
454 | sequence)) | |
8f2f6566 BT |
455 | |
456 | (defun mapcar (function sequence) | |
457 | (funcall (@ (guile) map) function sequence)) | |
12ca82ca | 458 | |
12c00a04 BT |
459 | (defun mapc (function sequence) |
460 | (funcall (@ (guile) for-each) function sequence) | |
461 | sequence) | |
462 | ||
463 | (defun aref (array idx) | |
464 | (funcall (@ (guile) generalized-vector-ref) array idx)) | |
465 | ||
466 | (defun aset (array idx newelt) | |
467 | (funcall (@ (guile) generalized-vector-set!) array idx newelt) | |
468 | newelt) | |
469 | ||
470 | (defun concat (&rest sequences) | |
471 | (apply (@ (guile) string-append) sequences)) | |
472 | ||
12ca82ca BT |
473 | ;;; Property lists |
474 | ||
475 | (defun %plist-member (plist property test) | |
76c50ec5 BT |
476 | (cond |
477 | ((null plist) nil) | |
478 | ((consp plist) | |
479 | (if (funcall test (car plist) property) | |
480 | (cdr plist) | |
481 | (%plist-member (cdr (cdr plist)) property test))) | |
482 | (t (signal 'wrong-type-argument `(listp ,plist))))) | |
12ca82ca BT |
483 | |
484 | (defun %plist-get (plist property test) | |
485 | (car (%plist-member plist property test))) | |
486 | ||
487 | (defun %plist-put (plist property value test) | |
13f022c9 | 488 | (let ((x (%plist-member plist property test))) |
12ca82ca BT |
489 | (if x |
490 | (progn (setcar x value) plist) | |
491 | (cons property (cons value plist))))) | |
492 | ||
493 | (defun plist-get (plist property) | |
494 | (%plist-get plist property #'eq)) | |
495 | ||
496 | (defun plist-put (plist property value) | |
497 | (%plist-put plist property value #'eq)) | |
498 | ||
499 | (defun plist-member (plist property) | |
500 | (%plist-member plist property #'eq)) | |
501 | ||
502 | (defun lax-plist-get (plist property) | |
503 | (%plist-get plist property #'equal)) | |
504 | ||
505 | (defun lax-plist-put (plist property value) | |
506 | (%plist-put plist property value #'equal)) | |
507 | ||
508 | (defvar plist-function (funcall (@ (guile) make-object-property))) | |
509 | ||
510 | (defun symbol-plist (symbol) | |
511 | (funcall plist-function symbol)) | |
512 | ||
513 | (defun setplist (symbol plist) | |
514 | (funcall (funcall (@ (guile) setter) plist-function) symbol plist)) | |
515 | ||
516 | (defun get (symbol propname) | |
517 | (plist-get (symbol-plist symbol) propname)) | |
518 | ||
519 | (defun put (symbol propname value) | |
520 | (setplist symbol (plist-put (symbol-plist symbol) propname value))) | |
5950f674 BT |
521 | |
522 | ;;; Nonlocal exits | |
523 | ||
524 | (defmacro condition-case (var bodyform &rest handlers) | |
525 | (let ((key (make-symbol "key")) | |
526 | (error-symbol (make-symbol "error-symbol")) | |
527 | (data (make-symbol "data")) | |
528 | (conditions (make-symbol "conditions"))) | |
529 | (flet ((handler->cond-clause (handler) | |
530 | `((or ,@(mapcar #'(lambda (c) `(memq ',c ,conditions)) | |
531 | (if (consp (car handler)) | |
532 | (car handler) | |
533 | (list (car handler))))) | |
534 | ,@(cdr handler)))) | |
535 | `(funcall (@ (guile) catch) | |
536 | 'elisp-condition | |
537 | #'(lambda () ,bodyform) | |
538 | #'(lambda (,key ,error-symbol ,data) | |
b07a7449 | 539 | (declare (lexical ,key ,error-symbol ,data)) |
5950f674 BT |
540 | (let ((,conditions |
541 | (get ,error-symbol 'error-conditions)) | |
542 | ,@(if var | |
543 | `((,var (cons ,error-symbol ,data))) | |
544 | '())) | |
b07a7449 BT |
545 | (declare (lexical ,conditions |
546 | ,@(if var `(,var) '()))) | |
5950f674 BT |
547 | (cond ,@(mapcar #'handler->cond-clause handlers) |
548 | (t (signal ,error-symbol ,data))))))))) | |
ce9b7cc2 BT |
549 | |
550 | (put 'error 'error-conditions '(error)) | |
551 | (put 'wrong-type-argument 'error-conditions '(wrong-type-argument error)) | |
552 | (put 'invalid-function 'error-conditions '(invalid-function error)) | |
553 | (put 'no-catch 'error-conditions '(no-catch error)) | |
8fb67871 BT |
554 | (put 'throw 'error-conditions '(throw)) |
555 | ||
85b3dd6c BT |
556 | (defvar %catch nil) |
557 | ||
8fb67871 BT |
558 | (defmacro catch (tag &rest body) |
559 | (let ((tag-value (make-symbol "tag-value")) | |
560 | (c (make-symbol "c")) | |
561 | (data (make-symbol "data"))) | |
562 | `(let ((,tag-value ,tag)) | |
b07a7449 | 563 | (declare (lexical ,tag-value)) |
8fb67871 | 564 | (condition-case ,c |
85b3dd6c BT |
565 | (let ((%catch t)) |
566 | ,@body) | |
8fb67871 BT |
567 | (throw |
568 | (let ((,data (cdr ,c))) | |
b07a7449 | 569 | (declare (lexical ,data)) |
8fb67871 BT |
570 | (if (eq (car ,data) ,tag-value) |
571 | (car (cdr ,data)) | |
85b3dd6c | 572 | (apply #'throw ,data)))))))) |
ce9b7cc2 | 573 | |
8fb67871 | 574 | (defun throw (tag value) |
85b3dd6c | 575 | (signal (if %catch 'throw 'no-catch) (list tag value))) |
39864d20 BT |
576 | |
577 | ;;; I/O | |
578 | ||
579 | (defun princ (object) | |
580 | (funcall (@ (guile) display) object)) | |
581 | ||
582 | (defun print (object) | |
583 | (funcall (@ (guile) write) object)) | |
584 | ||
585 | (defun terpri () | |
586 | (funcall (@ (guile) newline))) | |
587 | ||
588 | (defun format* (stream string &rest args) | |
589 | (apply (@ (guile) format) stream string args)) | |
43ff6804 BT |
590 | |
591 | (defun send-string-to-terminal (string) | |
592 | (princ string)) | |
593 | ||
594 | (defun read-from-minibuffer (prompt &rest ignore) | |
595 | (princ prompt) | |
596 | (let ((value (funcall (@ (ice-9 rdelim) read-line)))) | |
597 | (if (funcall (@ (guile) eof-object?) value) | |
598 | "" | |
599 | value))) | |
600 | ||
601 | (defun prin1-to-string (object) | |
602 | (format* nil "~S" object)) | |
52d24724 BT |
603 | |
604 | ;; Random number generation | |
605 | ||
606 | (defvar %random-state (funcall (@ (guile) copy-random-state) | |
607 | (@ (guile) *random-state*))) | |
608 | ||
609 | (defun random (&optional limit) | |
610 | (if (eq limit t) | |
611 | (setq %random-state | |
612 | (funcall (@ (guile) random-state-from-platform)))) | |
613 | (funcall (@ (guile) random) | |
614 | (if (wholenump limit) | |
615 | limit | |
616 | (@ (guile) most-positive-fixnum)) | |
617 | %random-state)) |