1 ;;;; This file defines all the standard functions to be known
2 ;;;; functions. Each function has type and side-effect information,
3 ;;;; and may also have IR1 optimizers.
5 ;;;; This software is part of the SBCL system. See the README file for
8 ;;;; This software is derived from the CMU CL system, which was
9 ;;;; written at Carnegie Mellon University and released into the
10 ;;;; public domain. The software is in the public domain and is
11 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
12 ;;;; files for more information.
16 ;;;; information for known functions:
18 (defknown coerce (t type-specifier) t
20 ;; This is not FLUSHABLE because it's defined to signal errors.
22 ;; :DERIVE-TYPE RESULT-TYPE-SPEC-NTH-ARG 2 ? Nope... (COERCE 1 'COMPLEX)
23 ;; returns REAL/INTEGER, not COMPLEX.
25 (defknown list-to-vector* (list type-specifier) vector)
26 (defknown vector-to-vector* (vector type-specifier) vector)
28 (defknown type-of (t) t (foldable flushable))
30 ;;; These can be affected by type definitions, so they're not FOLDABLE.
31 (defknown (sb!xc:upgraded-complex-part-type sb!xc:upgraded-array-element-type)
32 (type-specifier &optional lexenv-designator) type-specifier
35 ;;;; from the "Predicates" chapter:
37 ;;; FIXME: Is it right to have TYPEP (and TYPE-OF, elsewhere; and
38 ;;; perhaps SPECIAL-OPERATOR-P and others) be FOLDABLE in the
39 ;;; cross-compilation host? After all, some type relationships (e.g.
40 ;;; FIXNUMness) might be different between host and target. Perhaps
41 ;;; this property should be protected by #-SB-XC-HOST? Perhaps we need
42 ;;; 3-stage bootstrapping after all? (Ugh! It's *so* slow already!)
43 (defknown typep (t type-specifier &optional lexenv-designator) t
44 ;; Unlike SUBTYPEP or UPGRADED-ARRAY-ELEMENT-TYPE and friends, this
45 ;; seems to be FOLDABLE. Like SUBTYPEP, it's affected by type
46 ;; definitions, but unlike SUBTYPEP, there should be no way to make
47 ;; a TYPEP expression with constant arguments which doesn't return
48 ;; an error before the type declaration (because of undefined
49 ;; type). E.g. you can do
50 ;; (SUBTYPEP 'INTEGER 'FOO) => NIL, NIL
52 ;; (SUBTYPEP 'INTEGER 'FOO) => T, T
57 ;; doesn't work because the first call is an error.
59 ;; (UPGRADED-ARRAY-ELEMENT-TYPE and UPGRADED-COMPLEX-PART-TYPE have
60 ;; behavior like SUBTYPEP in this respect, not like TYPEP.)
62 (defknown subtypep (type-specifier type-specifier &optional lexenv-designator)
63 (values boolean boolean)
64 ;; This is not FOLDABLE because its value is affected by type
67 ;; FIXME: Is it OK to fold this when the types have already been
68 ;; defined? Does the code inherited from CMU CL already do this?
71 (defknown (null symbolp atom consp listp numberp integerp rationalp floatp
72 complexp characterp stringp bit-vector-p vectorp
73 simple-vector-p simple-string-p simple-bit-vector-p arrayp
74 sb!xc:packagep functionp compiled-function-p not)
75 (t) boolean (movable foldable flushable))
77 (defknown (eq eql) (t t) boolean (movable foldable flushable))
78 (defknown (equal equalp) (t t) boolean (foldable flushable recursive))
82 (sb!xc:deftype name-for-class () t)
83 (defknown classoid-name (classoid) name-for-class (flushable))
84 (defknown find-classoid (name-for-class &optional t lexenv-designator)
85 (or classoid null) ())
86 (defknown classoid-of (t) classoid (flushable))
87 (defknown layout-of (t) layout (flushable))
88 (defknown copy-structure (structure-object) structure-object
91 ;;;; from the "Control Structure" chapter:
93 ;;; This is not FLUSHABLE, since it's required to signal an error if
95 (defknown (symbol-value) (symbol) t ())
96 ;;; From CLHS, "If the symbol is globally defined as a macro or a
97 ;;; special operator, an object of implementation-dependent nature and
98 ;;; identity is returned. If the symbol is not globally defined as
99 ;;; either a macro or a special operator, and if the symbol is fbound,
100 ;;; a function object is returned". Our objects of
101 ;;; implementation-dependent nature happen to be functions.
102 (defknown (symbol-function) (symbol) function ())
104 (defknown boundp (symbol) boolean (flushable))
105 (defknown fboundp ((or symbol cons)) boolean (unsafely-flushable explicit-check))
106 (defknown special-operator-p (symbol) t
107 ;; The set of special operators never changes.
108 (movable foldable flushable))
109 (defknown set (symbol t) t (unsafe)
110 :derive-type #'result-type-last-arg)
111 (defknown fdefinition ((or symbol cons)) function (unsafe explicit-check))
112 (defknown %set-fdefinition ((or symbol cons) function) function
113 (unsafe explicit-check))
114 (defknown makunbound (symbol) symbol)
115 (defknown fmakunbound ((or symbol cons)) (or symbol cons)
116 (unsafe explicit-check))
117 (defknown (get-setf-method get-setf-method-multiple-value)
118 ((or list symbol) &optional lexenv-designator)
119 (values list list list form form)
121 (defknown apply (callable t &rest t) *) ; ### Last arg must be List...
122 (defknown funcall (callable &rest t) *)
124 (defknown (mapcar maplist) (callable list &rest list) list
127 ;;; According to CLHS the result must be a LIST, but we do not check
129 (defknown (mapcan mapcon) (callable list &rest list) t
132 (defknown (mapc mapl) (callable list &rest list) list (foldable call))
134 ;;; We let VALUES-LIST be foldable, since constant-folding will turn
135 ;;; it into VALUES. VALUES is not foldable, since MV constants are
136 ;;; represented by a call to VALUES.
137 (defknown values (&rest t) * (movable flushable unsafe))
138 (defknown values-list (list) * (movable foldable unsafely-flushable))
140 ;;;; from the "Macros" chapter:
142 (defknown macro-function (symbol &optional lexenv-designator)
145 (defknown (macroexpand macroexpand-1) (t &optional lexenv-designator)
146 (values form &optional boolean))
148 (defknown compiler-macro-function (t &optional lexenv-designator)
152 ;;;; from the "Declarations" chapter:
154 (defknown proclaim (list) (values) (recursive))
156 ;;;; from the "Symbols" chapter:
158 (defknown get (symbol t &optional t) t (flushable))
159 (defknown remprop (symbol t) t)
160 (defknown symbol-plist (symbol) list (flushable))
161 (defknown getf (list t &optional t) t (foldable flushable))
162 (defknown get-properties (list list) (values t t list) (foldable flushable))
163 (defknown symbol-name (symbol) simple-string (movable foldable flushable))
164 (defknown make-symbol (string) symbol (flushable))
165 (defknown copy-symbol (symbol &optional t) symbol (flushable))
166 (defknown gensym (&optional (or string unsigned-byte)) symbol ())
167 (defknown symbol-package (symbol) (or sb!xc:package null) (flushable))
168 (defknown keywordp (t) boolean (flushable)) ; If someone uninterns it...
170 ;;;; from the "Packages" chapter:
172 (defknown gentemp (&optional string package-designator) symbol)
174 (defknown make-package (string-designator &key
178 (:internal-symbols index)
179 (:external-symbols index))
181 (defknown find-package (package-designator) (or sb!xc:package null)
183 (defknown package-name (package-designator) (or simple-string null)
184 (unsafely-flushable))
185 (defknown package-nicknames (package-designator) list (unsafely-flushable))
186 (defknown rename-package (package-designator package-designator &optional list)
188 (defknown package-use-list (package-designator) list (unsafely-flushable))
189 (defknown package-used-by-list (package-designator) list (unsafely-flushable))
190 (defknown package-shadowing-symbols (package-designator) list (unsafely-flushable))
191 (defknown list-all-packages () list (flushable))
192 (defknown intern (string &optional package-designator)
193 (values symbol (member :internal :external :inherited nil))
195 (defknown find-symbol (string &optional package-designator)
196 (values symbol (member :internal :external :inherited nil))
198 (defknown (export import) (symbols-designator &optional package-designator)
200 (defknown unintern (symbol &optional package-designator) boolean)
201 (defknown unexport (symbols-designator &optional package-designator) (eql t))
202 (defknown shadowing-import (symbols-designator &optional package-designator)
204 (defknown shadow ((or symbol string list) &optional package-designator)
206 (defknown (use-package unuse-package)
207 ((or list package-designator) &optional package-designator) (eql t))
208 (defknown find-all-symbols (string-designator) list (flushable))
210 ;;;; from the "Numbers" chapter:
212 (defknown zerop (number) boolean (movable foldable flushable explicit-check))
213 (defknown (plusp minusp) (real) boolean
214 (movable foldable flushable explicit-check))
215 (defknown (oddp evenp) (integer) boolean
216 (movable foldable flushable explicit-check))
217 (defknown (= /=) (number &rest number) boolean
218 (movable foldable flushable explicit-check))
219 (defknown (< > <= >=) (real &rest real) boolean
220 (movable foldable flushable explicit-check))
221 (defknown (max min) (real &rest real) real
222 (movable foldable flushable explicit-check))
224 (defknown + (&rest number) number
225 (movable foldable flushable explicit-check))
226 (defknown - (number &rest number) number
227 (movable foldable flushable explicit-check))
228 (defknown * (&rest number) number
229 (movable foldable flushable explicit-check))
230 (defknown / (number &rest number) number
231 (movable foldable flushable explicit-check))
232 (defknown (1+ 1-) (number) number
233 (movable foldable flushable explicit-check))
235 (defknown conjugate (number) number
236 (movable foldable flushable explicit-check))
238 (defknown gcd (&rest integer) unsigned-byte
239 (movable foldable flushable explicit-check)
240 #|:derive-type 'boolean-result-type|#)
241 (defknown lcm (&rest integer) unsigned-byte
242 (movable foldable flushable explicit-check))
244 #+sb-xc-host ; (See CROSS-FLOAT-INFINITY-KLUDGE.)
245 (defknown exp (number) irrational
246 (movable foldable flushable explicit-check recursive)
247 :derive-type #'result-type-float-contagion)
249 #-sb-xc-host ; (See CROSS-FLOAT-INFINITY-KLUDGE.)
250 (defknown exp (number) irrational
251 (movable foldable flushable explicit-check recursive))
253 (defknown expt (number number) number
254 (movable foldable flushable explicit-check recursive))
255 (defknown log (number &optional real) irrational
256 (movable foldable flushable explicit-check))
257 (defknown sqrt (number) irrational
258 (movable foldable flushable explicit-check))
259 (defknown isqrt (unsigned-byte) unsigned-byte
260 (movable foldable flushable explicit-check recursive))
262 (defknown (abs phase signum) (number) number
263 (movable foldable flushable explicit-check))
264 (defknown cis (real) (complex float)
265 (movable foldable flushable explicit-check))
267 #+sb-xc-host ; (See CROSS-FLOAT-INFINITY-KLUDGE.)
269 (defknown (sin cos) (number)
270 (or (float -1.0 1.0) (complex float))
271 (movable foldable flushable explicit-check recursive)
272 :derive-type #'result-type-float-contagion)
275 (number &optional real) irrational
276 (movable foldable unsafely-flushable explicit-check recursive)
277 :derive-type #'result-type-float-contagion)
279 (defknown (tan sinh cosh tanh asinh)
280 (number) irrational (movable foldable flushable explicit-check recursive)
281 :derive-type #'result-type-float-contagion)
284 #-sb-xc-host ; (See CROSS-FLOAT-INFINITY-KLUDGE.)
286 (defknown (sin cos) (number)
287 (or (float -1.0 1.0) (complex float))
288 (movable foldable flushable explicit-check recursive))
291 (number &optional real) irrational
292 (movable foldable unsafely-flushable explicit-check recursive))
294 (defknown (tan sinh cosh tanh asinh)
295 (number) irrational (movable foldable flushable explicit-check recursive))
298 (defknown (asin acos acosh atanh)
300 (movable foldable flushable explicit-check recursive))
302 (defknown float (real &optional float) float
303 (movable foldable flushable explicit-check))
305 (defknown (rational) (real) rational
306 (movable foldable flushable explicit-check))
308 (defknown (rationalize) (real) rational
309 (movable foldable flushable explicit-check recursive))
311 (defknown (numerator denominator) (rational) integer
312 (movable foldable flushable))
314 (defknown (floor ceiling truncate round)
315 (real &optional real) (values integer real)
316 (movable foldable flushable explicit-check))
318 (defknown (mod rem) (real real) real
319 (movable foldable flushable explicit-check))
321 (defknown (ffloor fceiling fround ftruncate)
322 (real &optional real) (values float real)
323 (movable foldable flushable explicit-check))
325 (defknown decode-float (float) (values float float-exponent float)
326 (movable foldable flushable explicit-check))
327 (defknown scale-float (float integer) float
328 (movable foldable unsafely-flushable explicit-check))
329 (defknown float-radix (float) float-radix
330 (movable foldable flushable))
331 (defknown float-sign (float &optional float) float
332 (movable foldable flushable explicit-check))
333 (defknown (float-digits float-precision) (float) float-digits
334 (movable foldable flushable explicit-check))
335 (defknown integer-decode-float (float)
336 (values integer float-int-exponent (member -1 1))
337 (movable foldable flushable explicit-check))
339 (defknown complex (real &optional real) number
340 (movable foldable flushable explicit-check))
342 (defknown (realpart imagpart) (number) real (movable foldable flushable))
344 (defknown (logior logxor logand logeqv) (&rest integer) integer
345 (movable foldable flushable explicit-check))
347 (defknown (lognand lognor logandc1 logandc2 logorc1 logorc2)
348 (integer integer) integer
349 (movable foldable flushable explicit-check))
351 (defknown boole (boole-code integer integer) integer
352 (movable foldable flushable))
354 (defknown lognot (integer) integer (movable foldable flushable explicit-check))
355 (defknown logtest (integer integer) boolean (movable foldable flushable))
356 (defknown logbitp (unsigned-byte integer) boolean (movable foldable flushable))
357 (defknown ash (integer integer) integer
358 (movable foldable flushable explicit-check))
359 (defknown (logcount integer-length) (integer) bit-index
360 (movable foldable flushable explicit-check))
361 ;;; FIXME: According to the ANSI spec, it's legal to use any
362 ;;; nonnegative indices for BYTE arguments, not just BIT-INDEX. It's
363 ;;; hard to come up with useful ways to do this, but it is possible to
364 ;;; come up with *legal* ways to do this, so it would be nice
365 ;;; to fix this so we comply with the spec.
366 (defknown byte (bit-index bit-index) byte-specifier
367 (movable foldable flushable))
368 (defknown (byte-size byte-position) (byte-specifier) bit-index
369 (movable foldable flushable))
370 (defknown ldb (byte-specifier integer) integer (movable foldable flushable))
371 (defknown ldb-test (byte-specifier integer) boolean
372 (movable foldable flushable))
373 (defknown mask-field (byte-specifier integer) integer
374 (movable foldable flushable))
375 (defknown dpb (integer byte-specifier integer) integer
376 (movable foldable flushable))
377 (defknown deposit-field (integer byte-specifier integer) integer
378 (movable foldable flushable))
379 (defknown random ((or (float (0.0)) (integer 1)) &optional random-state)
380 (or (float 0.0) (integer 0)) ())
381 (defknown make-random-state (&optional (or (member nil t) random-state))
382 random-state (flushable))
383 (defknown random-state-p (t) boolean (movable foldable flushable))
385 ;;;; from the "Characters" chapter:
386 (defknown (standard-char-p graphic-char-p alpha-char-p
387 upper-case-p lower-case-p both-case-p alphanumericp)
388 (character) boolean (movable foldable flushable))
390 (defknown digit-char-p (character &optional (integer 2 36))
391 (or (integer 0 35) null) (movable foldable flushable))
393 (defknown (char= char/= char< char> char<= char>= char-equal char-not-equal
394 char-lessp char-greaterp char-not-greaterp char-not-lessp)
395 (character &rest character) boolean (movable foldable flushable))
397 (defknown character (t) character (movable foldable unsafely-flushable))
398 (defknown char-code (character) char-code (movable foldable flushable))
399 (defknown (char-upcase char-downcase) (character) character
400 (movable foldable flushable))
401 (defknown digit-char (unsigned-byte &optional (integer 2 36))
402 (or character null) (movable foldable flushable))
403 (defknown char-int (character) char-code (movable foldable flushable))
404 (defknown char-name (character) (or simple-string null)
405 (movable foldable flushable))
406 (defknown name-char (string-designator) (or character null)
407 (movable foldable flushable))
408 (defknown code-char (char-code) character
409 ;; By suppressing constant folding on CODE-CHAR when the
410 ;; cross-compiler is running in the cross-compilation host vanilla
411 ;; ANSI Common Lisp, we can use CODE-CHAR expressions to delay until
412 ;; target Lisp run time the generation of CHARACTERs which aren't
413 ;; STANDARD-CHARACTERs. That way, we don't need to rely on the host
414 ;; Common Lisp being able to handle any characters other than those
415 ;; guaranteed by the ANSI spec.
416 (movable #-sb-xc-host foldable flushable))
418 ;;;; from the "Sequences" chapter:
420 (defknown elt (sequence index) t (foldable unsafely-flushable))
422 (defknown subseq (sequence index &optional sequence-end) consed-sequence
424 :derive-type (sequence-result-nth-arg 1))
426 (defknown copy-seq (sequence) consed-sequence (flushable)
427 :derive-type (sequence-result-nth-arg 1))
429 (defknown length (sequence) index (foldable flushable))
431 (defknown reverse (sequence) consed-sequence (flushable)
432 :derive-type (sequence-result-nth-arg 1))
434 (defknown nreverse (sequence) sequence ()
435 :derive-type #'result-type-first-arg)
437 (defknown make-sequence (type-specifier index
439 (:initial-element t))
442 :derive-type (creation-result-type-specifier-nth-arg 1))
444 (defknown concatenate (type-specifier &rest sequence) consed-sequence
446 :derive-type (creation-result-type-specifier-nth-arg 1))
448 (defknown (map %map) (type-specifier callable sequence &rest sequence)
451 ; :DERIVE-TYPE 'TYPE-SPEC-ARG1 ? Nope... (MAP NIL ...) returns NULL, not NIL.
453 (defknown %map-to-list-arity-1 (callable sequence) list (flushable call))
454 (defknown %map-to-simple-vector-arity-1 (callable sequence) simple-vector
456 (defknown %map-to-nil-on-simple-vector (callable simple-vector) null
458 (defknown %map-to-nil-on-vector (callable vector) null (flushable call))
459 (defknown %map-to-nil-on-sequence (callable sequence) null (flushable call))
461 (defknown map-into (sequence callable &rest sequence)
464 :derive-type #'result-type-first-arg)
466 ;;; returns the result from the predicate...
467 (defknown some (callable sequence &rest sequence) t
468 (foldable unsafely-flushable call))
470 (defknown (every notany notevery) (callable sequence &rest sequence) boolean
471 (foldable unsafely-flushable call))
473 ;;; unsafe for :INITIAL-VALUE...
474 (defknown reduce (callable
483 (foldable flushable call unsafe))
485 (defknown fill (sequence t &key (:start index) (:end sequence-end)) sequence
487 :derive-type #'result-type-first-arg)
489 (defknown replace (sequence
495 (:end2 sequence-end))
497 :derive-type #'result-type-first-arg)
500 (t sequence &key (:from-end t) (:test callable)
501 (:test-not callable) (:start index) (:end sequence-end)
502 (:count sequence-count) (:key callable))
505 :derive-type (sequence-result-nth-arg 2))
508 (t t sequence &key (:from-end t) (:test callable)
509 (:test-not callable) (:start index) (:end sequence-end)
510 (:count sequence-count) (:key callable))
513 :derive-type (sequence-result-nth-arg 3))
515 (defknown (remove-if remove-if-not)
516 (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
517 (:count sequence-count) (:key callable))
520 :derive-type (sequence-result-nth-arg 2))
522 (defknown (substitute-if substitute-if-not)
523 (t callable sequence &key (:from-end t) (:start index) (:end sequence-end)
524 (:count sequence-count) (:key callable))
527 :derive-type (sequence-result-nth-arg 3))
530 (t sequence &key (:from-end t) (:test callable)
531 (:test-not callable) (:start index) (:end sequence-end)
532 (:count sequence-count) (:key callable))
535 :derive-type (sequence-result-nth-arg 2))
537 (defknown nsubstitute
538 (t t sequence &key (:from-end t) (:test callable)
539 (:test-not callable) (:start index) (:end sequence-end)
540 (:count sequence-count) (:key callable))
543 :derive-type (sequence-result-nth-arg 3))
545 (defknown (delete-if delete-if-not)
546 (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
547 (:count sequence-count) (:key callable))
550 :derive-type (sequence-result-nth-arg 2))
552 (defknown (nsubstitute-if nsubstitute-if-not)
553 (t callable sequence &key (:from-end t) (:start index) (:end sequence-end)
554 (:count sequence-count) (:key callable))
557 :derive-type (sequence-result-nth-arg 3))
559 (defknown remove-duplicates
560 (sequence &key (:test callable) (:test-not callable) (:start index)
561 (:from-end t) (:end sequence-end) (:key callable))
563 (unsafely-flushable call)
564 :derive-type (sequence-result-nth-arg 1))
566 (defknown delete-duplicates
567 (sequence &key (:test callable) (:test-not callable) (:start index)
568 (:from-end t) (:end sequence-end) (:key callable))
570 (unsafely-flushable call)
571 :derive-type (sequence-result-nth-arg 1))
573 (defknown find (t sequence &key (:test callable) (:test-not callable)
574 (:start index) (:from-end t) (:end sequence-end)
577 (foldable flushable call))
579 (defknown (find-if find-if-not)
580 (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
583 (foldable flushable call))
585 (defknown position (t sequence &key (:test callable) (:test-not callable)
586 (:start index) (:from-end t) (:end sequence-end)
589 (foldable flushable call))
591 (defknown (position-if position-if-not)
592 (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
595 (foldable flushable call))
597 (defknown count (t sequence &key (:test callable) (:test-not callable)
598 (:start index) (:from-end t) (:end sequence-end)
601 (foldable flushable call))
603 (defknown (count-if count-if-not)
604 (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
607 (foldable flushable call))
609 (defknown (mismatch search)
610 (sequence sequence &key (:from-end t) (:test callable) (:test-not callable)
611 (:start1 index) (:end1 sequence-end)
612 (:start2 index) (:end2 sequence-end)
615 (foldable flushable call))
617 ;;; not FLUSHABLE, since vector sort guaranteed in-place...
618 (defknown (stable-sort sort) (sequence callable &key (:key callable)) sequence
620 :derive-type (sequence-result-nth-arg 1))
621 (defknown sb!impl::sort-vector (vector index index function (or function null))
622 * ; SORT-VECTOR works through side-effect
625 (defknown merge (type-specifier sequence sequence callable
626 &key (:key callable))
629 :derive-type (creation-result-type-specifier-nth-arg 1))
631 ;;; not FLUSHABLE, despite what CMU CL's DEFKNOWN said..
632 (defknown read-sequence (sequence stream
639 (defknown write-sequence (sequence stream
645 :derive-type (sequence-result-nth-arg 1))
647 ;;;; from the "Manipulating List Structure" chapter:
648 (defknown (car cdr first rest)
651 (foldable flushable))
653 ;; Correct argument type restrictions for these functions are
654 ;; complicated, so we just declare them to accept LISTs and suppress
655 ;; flushing is safe code.
656 (defknown (caar cadr cdar cddr
657 caaar caadr cadar caddr cdaar cdadr cddar cdddr
658 caaaar caaadr caadar caaddr cadaar cadadr caddar cadddr
659 cdaaar cdaadr cdadar cdaddr cddaar cddadr cdddar cddddr
660 second third fourth fifth sixth seventh eighth ninth tenth)
663 (foldable unsafely-flushable))
665 (defknown cons (t t) cons (movable flushable unsafe))
667 (defknown tree-equal (t t &key (:test callable) (:test-not callable)) boolean
668 (foldable flushable call))
669 (defknown endp (list) boolean (foldable flushable movable))
670 (defknown list-length (list) (or index null) (foldable unsafely-flushable))
671 (defknown nth (unsigned-byte list) t (foldable flushable))
672 (defknown nthcdr (unsigned-byte list) t (foldable unsafely-flushable))
673 (defknown last (list &optional unsigned-byte) t (foldable flushable))
674 (defknown sb!impl::last1 (list) t (foldable flushable))
675 (defknown list (&rest t) list (movable flushable unsafe))
676 (defknown list* (t &rest t) t (movable flushable unsafe))
677 (defknown make-list (index &key (:initial-element t)) list
678 (movable flushable unsafe))
680 ;;; All but last must be of type LIST, but there seems to be no way to
681 ;;; express that in this syntax.
682 (defknown append (&rest t) t (flushable))
684 (defknown copy-list (list) list (flushable))
685 (defknown copy-alist (list) list (flushable))
686 (defknown copy-tree (t) t (flushable recursive))
687 (defknown revappend (list t) t (flushable))
689 ;;; All but last must be of type LIST, but there seems to be no way to
690 ;;; express that in this syntax. The result must be LIST, but we do
691 ;;; not check it now :-).
692 (defknown nconc (&rest t) t ())
693 (defknown sb!impl::nconc2 (list t) t ())
695 (defknown nreconc (list t) t ())
696 (defknown butlast (list &optional unsigned-byte) list (flushable))
697 (defknown nbutlast (list &optional unsigned-byte) list ())
698 (defknown ldiff (list t) list (flushable))
699 (defknown (rplaca rplacd) (cons t) list (unsafe))
701 (defknown (nsubst subst) (t t t &key (:key callable) (:test callable)
702 (:test-not callable))
703 t (flushable unsafe call))
705 (defknown (subst-if subst-if-not nsubst-if nsubst-if-not)
706 (t callable t &key (:key callable))
707 t (flushable unsafe call))
709 (defknown (sublis nsublis) (list t &key (:key callable) (:test callable)
710 (:test-not callable))
711 t (flushable unsafe call))
713 (defknown member (t list &key (:key callable) (:test callable)
714 (:test-not callable))
715 list (foldable flushable call))
716 (defknown (member-if member-if-not) (callable list &key (:key callable))
717 list (foldable flushable call))
719 (defknown tailp (t list) boolean (foldable flushable))
721 (defknown adjoin (t list &key (:key callable) (:test callable)
722 (:test-not callable))
723 list (foldable flushable unsafe call))
725 (defknown (union intersection set-difference set-exclusive-or)
726 (list list &key (:key callable) (:test callable) (:test-not callable))
728 (foldable flushable call))
730 (defknown (nunion nintersection nset-difference nset-exclusive-or)
731 (list list &key (:key callable) (:test callable) (:test-not callable))
733 (foldable flushable call))
736 (list list &key (:key callable) (:test callable) (:test-not callable))
738 (foldable flushable call))
740 (defknown acons (t t t) list (movable flushable unsafe))
741 (defknown pairlis (t t &optional t) list (flushable unsafe))
743 (defknown (rassoc assoc)
744 (t list &key (:key callable) (:test callable) (:test-not callable))
745 list (foldable flushable call))
746 (defknown (assoc-if-not assoc-if rassoc-if rassoc-if-not)
747 (callable list &key (:key callable)) list (foldable flushable call))
749 (defknown (memq assq) (t list) list (foldable flushable unsafe))
750 (defknown delq (t list) list (flushable unsafe))
752 ;;;; from the "Hash Tables" chapter:
754 (defknown make-hash-table
755 (&key (:test callable) (:size unsigned-byte)
756 (:rehash-size (or (integer 1) (float (1.0))))
757 (:rehash-threshold (real 0 1))
761 (defknown hash-table-p (t) boolean (movable foldable flushable))
762 (defknown gethash (t hash-table &optional t) (values t boolean)
763 (flushable unsafe)) ; not FOLDABLE, since hash table contents can change
764 (defknown %puthash (t hash-table t) t (unsafe))
765 (defknown remhash (t hash-table) boolean ())
766 (defknown maphash (callable hash-table) null (flushable call))
767 (defknown clrhash (hash-table) hash-table ())
768 (defknown hash-table-count (hash-table) index (flushable))
769 (defknown hash-table-rehash-size (hash-table) (or (integer 1) (float (1.0)))
770 (foldable flushable))
771 (defknown hash-table-rehash-threshold (hash-table) (real 0 1)
772 (foldable flushable))
773 (defknown hash-table-size (hash-table) index (flushable))
774 (defknown hash-table-test (hash-table) symbol (foldable flushable))
775 (defknown sxhash (t) (integer 0 #.sb!xc:most-positive-fixnum)
776 (#-sb-xc-host foldable flushable))
778 ;;;; from the "Arrays" chapter
780 (defknown make-array ((or index list)
782 (:element-type type-specifier)
784 (:initial-contents t)
787 (:displaced-to (or array null))
788 (:displaced-index-offset index))
789 array (flushable unsafe))
791 (defknown vector (&rest t) simple-vector (flushable unsafe))
793 (defknown aref (array &rest index) t (foldable))
794 (defknown row-major-aref (array index) t (foldable))
796 (defknown array-element-type (array)
798 (foldable flushable recursive))
799 (defknown array-rank (array) array-rank (foldable flushable))
800 (defknown array-dimension (array array-rank) index (foldable flushable))
801 (defknown array-dimensions (array) list (foldable flushable))
802 (defknown array-in-bounds-p (array &rest integer) boolean (foldable flushable))
803 (defknown array-row-major-index (array &rest index) array-total-size
804 (foldable flushable))
805 (defknown array-total-size (array) array-total-size (foldable flushable))
806 (defknown adjustable-array-p (array) boolean (movable foldable flushable))
808 (defknown svref (simple-vector index) t (foldable flushable))
809 (defknown bit ((array bit) &rest index) bit (foldable flushable))
810 (defknown sbit ((simple-array bit) &rest index) bit (foldable flushable))
812 (defknown (bit-and bit-ior bit-xor bit-eqv bit-nand bit-nor bit-andc1 bit-andc2
814 ((array bit) (array bit) &optional (or (array bit) (member t nil)))
817 #|:derive-type #'result-type-last-arg|#)
819 (defknown bit-not ((array bit) &optional (or (array bit) (member t nil)))
822 #|:derive-type #'result-type-last-arg|#)
824 (defknown bit-vector-= (bit-vector bit-vector) boolean
825 (movable foldable flushable))
827 (defknown array-has-fill-pointer-p (array) boolean
828 (movable foldable flushable))
829 (defknown fill-pointer (vector) index (foldable unsafely-flushable))
830 (defknown vector-push (t vector) (or index null) ())
831 (defknown vector-push-extend (t vector &optional index) index ())
832 (defknown vector-pop (vector) t ())
834 (defknown adjust-array
835 (array (or index list) &key (:element-type type-specifier)
836 (:initial-element t) (:initial-contents t)
837 (:fill-pointer t) (:displaced-to (or array null))
838 (:displaced-index-offset index))
840 ; :derive-type 'result-type-arg1) Not even close...
842 ;;;; from the "Strings" chapter:
844 (defknown char (string index) character (foldable flushable))
845 (defknown schar (simple-string index) character (foldable flushable))
847 (defknown (string= string-equal)
848 (string-designator string-designator &key (:start1 index) (:end1 sequence-end)
849 (:start2 index) (:end2 sequence-end))
851 (foldable flushable))
853 (defknown (string< string> string<= string>= string/= string-lessp
854 string-greaterp string-not-lessp string-not-greaterp
856 (string-designator string-designator &key (:start1 index) (:end1 sequence-end)
857 (:start2 index) (:end2 sequence-end))
859 (foldable flushable))
861 (defknown make-string (index &key (:element-type type-specifier)
862 (:initial-element character))
863 simple-string (flushable))
865 (defknown (string-trim string-left-trim string-right-trim)
866 (sequence string-designator) simple-string (flushable))
868 (defknown (string-upcase string-downcase string-capitalize)
869 (string-designator &key (:start index) (:end sequence-end))
870 simple-string (flushable))
872 (defknown (nstring-upcase nstring-downcase nstring-capitalize)
873 (string &key (:start index) (:end sequence-end))
876 (defknown string (string-designator) string
877 (flushable explicit-check))
879 ;;;; internal non-keyword versions of string predicates:
881 (defknown (string<* string>* string<=* string>=* string/=*)
882 (string-designator string-designator index sequence-end index sequence-end)
884 (foldable flushable))
887 (string-designator string-designator index sequence-end index sequence-end)
889 (foldable flushable))
891 ;;;; from the "Eval" chapter:
893 (defknown eval (t) * (recursive))
894 (defknown constantp (t &optional lexenv-designator) boolean
895 (foldable flushable))
897 ;;;; from the "Streams" chapter:
899 (defknown make-synonym-stream (symbol) stream (flushable))
900 (defknown make-broadcast-stream (&rest stream) stream (unsafely-flushable))
901 (defknown make-concatenated-stream (&rest stream) stream (unsafely-flushable))
902 (defknown make-two-way-stream (stream stream) stream (unsafely-flushable))
903 (defknown make-echo-stream (stream stream) stream (flushable))
904 (defknown make-string-input-stream (string &optional index sequence-end)
907 (defknown make-string-output-stream
908 (&key (:element-type type-specifier))
911 (defknown get-output-stream-string (stream) simple-string ())
912 (defknown streamp (t) boolean (movable foldable flushable))
913 (defknown stream-element-type (stream) type-specifier
914 (movable foldable flushable))
915 (defknown (output-stream-p input-stream-p) (stream) boolean
916 (movable foldable flushable))
917 (defknown close (stream &key (:abort t)) (eql t) ())
919 ;;;; from the "Input/Output" chapter:
921 ;;; (The I/O functions are given effects ANY under the theory that
922 ;;; code motion over I/O operations is particularly confusing and not
923 ;;; very important for efficiency.)
925 (defknown copy-readtable (&optional (or readtable null) (or readtable null))
928 (defknown readtablep (t) boolean (movable foldable flushable))
930 (defknown set-syntax-from-char
931 (character character &optional (or readtable null) readtable) (eql t)
934 (defknown set-macro-character (character callable &optional t readtable)
937 (defknown get-macro-character (character &optional (or readtable null))
938 (values callable boolean) (flushable))
940 (defknown make-dispatch-macro-character (character &optional t readtable)
942 (defknown set-dispatch-macro-character
943 (character character callable &optional readtable) function
945 (defknown get-dispatch-macro-character
946 (character character &optional (or readtable null)) (or callable null)
949 (defknown copy-pprint-dispatch
950 (&optional (or sb!pretty:pprint-dispatch-table null))
951 sb!pretty:pprint-dispatch-table
953 (defknown pprint-dispatch
954 (t &optional (or sb!pretty:pprint-dispatch-table null))
955 (values callable boolean)
957 (defknown (pprint-fill pprint-linear)
958 (stream-designator t &optional t t)
961 (defknown pprint-tabular
962 (stream-designator t &optional t t unsigned-byte)
965 (defknown pprint-indent
966 ((member :block :current) real &optional stream-designator)
969 (defknown pprint-newline
970 ((member :linear :fill :miser :mandatory) &optional stream-designator)
974 ((member :line :section :line-relative :section-relative)
975 unsigned-byte unsigned-byte &optional stream-designator)
978 (defknown set-pprint-dispatch
979 (type-specifier (or null callable)
980 &optional real sb!pretty:pprint-dispatch-table)
984 ;;; may return any type due to eof-value...
985 (defknown (read read-preserving-whitespace read-char-no-hang read-char)
986 (&optional stream-designator t t t) t (explicit-check))
988 (defknown read-delimited-list (character &optional stream-designator t) list
990 (defknown read-line (&optional stream-designator t t t) (values t boolean)
992 (defknown unread-char (character &optional stream-designator) t
994 (defknown peek-char (&optional (or character (member nil t))
995 stream-designator t t t)
998 (defknown listen (&optional stream-designator) boolean (flushable explicit-check))
1000 (defknown clear-input (&optional stream-designator) null (explicit-check))
1002 (defknown read-from-string
1003 (string &optional t t
1007 (:preserve-whitespace t))
1009 (defknown parse-integer
1013 (:radix (integer 2 36))
1015 (values (or integer null ()) index))
1017 (defknown read-byte (stream &optional t t) t (explicit-check))
1021 (:stream stream-designator)
1024 (:base (integer 2 36))
1027 (:level (or unsigned-byte null))
1029 (:length (or unsigned-byte null))
1033 (:lines (or unsigned-byte null))
1034 (:right-margin (or unsigned-byte null))
1035 (:miser-width (or unsigned-byte null))
1036 (:pprint-dispatch t))
1038 (any explicit-check)
1039 :derive-type #'result-type-first-arg)
1041 (defknown (prin1 print princ) (t &optional stream-designator)
1043 (any explicit-check)
1044 :derive-type #'result-type-first-arg)
1046 ;;; xxx-TO-STRING functions are not foldable because they depend on
1047 ;;; the dynamic environment, the state of the pretty printer dispatch
1048 ;;; table, and probably other run-time factors.
1049 (defknown write-to-string
1050 (t &key (:escape t) (:radix t) (:base (integer 2 36)) (:readably t)
1051 (:circle t) (:pretty t) (:level (or unsigned-byte null))
1052 (:length (or unsigned-byte null)) (:case t) (:array t) (:gensym t)
1053 (:lines (or unsigned-byte null)) (:right-margin (or unsigned-byte null))
1054 (:miser-width (or unsigned-byte null)) (:pprint-dispatch t))
1056 (flushable explicit-check))
1058 (defknown (prin1-to-string princ-to-string) (t) simple-string (flushable))
1060 (defknown write-char (character &optional stream-designator) character
1062 (defknown (write-string write-line)
1063 (string &optional stream-designator &key (:start index) (:end sequence-end))
1067 (defknown (terpri finish-output force-output clear-output)
1068 (&optional stream-designator) null
1071 (defknown fresh-line (&optional stream-designator) boolean
1074 (defknown write-byte (integer stream) integer
1077 (defknown format ((or (member nil t) stream string)
1078 (or string function) &rest t)
1082 (defknown (y-or-n-p yes-or-no-p) (&optional string &rest t) boolean
1085 ;;;; from the "File System Interface" chapter:
1087 ;;; (No pathname functions are FOLDABLE because they all potentially
1088 ;;; depend on *DEFAULT-PATHNAME-DEFAULTS*, e.g. to provide a default
1089 ;;; host when parsing a namestring. They are not FLUSHABLE because
1090 ;;; parsing of a PATHNAME-DESIGNATOR might signal an error.)
1092 (defknown wild-pathname-p (pathname-designator
1094 (member nil :host :device
1099 (defknown pathname-match-p (pathname-designator pathname-designator)
1102 (defknown translate-pathname (pathname-designator
1104 pathname-designator &key)
1108 (defknown logical-pathname (pathname-designator) logical-pathname ())
1109 (defknown translate-logical-pathname (pathname-designator &key) pathname
1111 (defknown load-logical-pathname-translations (string) t ())
1112 (defknown logical-pathname-translations (logical-host-designator) list ())
1114 (defknown pathname (pathname-designator) pathname (unsafely-flushable))
1115 (defknown truename (pathname-designator) pathname ())
1117 (defknown parse-namestring
1118 (pathname-designator &optional
1119 (or list host string (member :unspecific))
1125 (values (or pathname null) sequence-end)
1128 (defknown merge-pathnames
1129 (pathname-designator &optional pathname-designator pathname-version)
1131 (unsafely-flushable))
1133 (defknown make-pathname
1134 (&key (:defaults pathname-designator)
1135 (:host (or string pathname-host))
1136 (:device (or string pathname-device))
1137 (:directory (or pathname-directory string (member :wild)))
1138 (:name (or pathname-name string (member :wild)))
1139 (:type (or pathname-type string (member :wild)))
1140 (:version pathname-version) (:case (member :local :common)))
1141 pathname (unsafely-flushable))
1143 (defknown pathnamep (t) boolean (movable flushable))
1145 (defknown pathname-host (pathname-designator
1146 &key (:case (member :local :common)))
1147 pathname-host (flushable))
1148 (defknown pathname-device (pathname-designator
1149 &key (:case (member :local :common)))
1150 pathname-device (flushable))
1151 (defknown pathname-directory (pathname-designator
1152 &key (:case (member :local :common)))
1153 pathname-directory (flushable))
1154 (defknown pathname-name (pathname-designator
1155 &key (:case (member :local :common)))
1156 pathname-name (flushable))
1157 (defknown pathname-type (pathname-designator
1158 &key (:case (member :local :common)))
1159 pathname-type (flushable))
1160 (defknown pathname-version (pathname-designator)
1161 pathname-version (flushable))
1163 (defknown (namestring file-namestring directory-namestring host-namestring)
1164 (pathname-designator) (or simple-string null)
1165 (unsafely-flushable))
1167 (defknown enough-namestring (pathname-designator &optional pathname-designator)
1169 (unsafely-flushable))
1171 (defknown user-homedir-pathname (&optional t) pathname (flushable))
1174 (pathname-designator &key
1175 (:direction (member :input :output :io :probe))
1176 (:element-type type-specifier)
1177 (:if-exists (member :error :new-version :rename
1178 :rename-and-delete :overwrite
1179 :append :supersede nil))
1180 (:if-does-not-exist (member :error :create nil))
1181 (:external-format keyword))
1184 (defknown rename-file (pathname-designator filename)
1185 (values pathname pathname pathname))
1186 (defknown delete-file (pathname-designator) t)
1187 (defknown probe-file (pathname-designator) (or pathname null) ())
1188 (defknown file-write-date (pathname-designator) (or unsigned-byte null)
1190 (defknown file-author (pathname-designator) (or simple-string null)
1193 (defknown file-position (stream &optional
1194 (or unsigned-byte (member :start :end)))
1195 (or unsigned-byte (member t nil)))
1196 (defknown file-length (stream) (or unsigned-byte null) (unsafely-flushable))
1199 ((or filename stream)
1203 (:if-does-not-exist (member :error :create nil))
1204 (:external-format keyword))
1207 (defknown directory (pathname-designator &key)
1210 ;;;; from the "Conditions" chapter:
1212 (defknown cell-error-name (cell-error) t)
1213 (defknown error (t &rest t) nil)
1214 (defknown cerror (format-control t &rest t) null)
1215 (defknown invalid-method-error (t format-control &rest t) *) ; FIXME: first arg is METHOD
1216 (defknown method-combination-error (format-control &rest t) *)
1217 (defknown signal (t &rest t) null)
1218 (defknown simple-condition-format-control (condition)
1220 (defknown simple-condition-format-arguments (condition)
1222 (defknown warn (t &rest t) null)
1223 (defknown invoke-debugger (condition) nil)
1224 (defknown break (&optional format-control &rest t) null)
1225 (defknown make-condition (type-specifier &rest t) condition)
1226 (defknown compute-restarts (&optional (or condition null)) list)
1227 (defknown find-restart (restart-designator &optional (or condition null))
1229 (defknown invoke-restart (restart-designator &rest t) *)
1230 (defknown invoke-restart-interactively (restart-designator) *)
1231 (defknown restart-name (restart) symbol)
1232 (defknown (abort muffle-warning) (&optional (or condition null)) nil)
1233 (defknown continue (&optional (or condition null)) null)
1234 (defknown (store-value use-value) (t &optional (or condition null))
1237 ;;; and analogous SBCL extension:
1238 (defknown bug (t &rest t) nil) ; never returns
1240 ;;;; from the "Miscellaneous" Chapter:
1242 (defknown compile ((or symbol cons) &optional (or list function null))
1243 (values (or function symbol cons) boolean boolean))
1245 (defknown compile-file
1246 (pathname-designator
1250 (:output-file (or pathname-designator
1252 ;; FIXME: This last case is a non-ANSI hack.
1256 (:external-format keyword)
1261 (values (or pathname null) boolean boolean))
1263 ;; FIXME: consider making (OR CALLABLE CONS) something like
1264 ;; EXTENDED-FUNCTION-DESIGNATOR
1265 (defknown disassemble ((or callable cons) &key
1266 (:stream stream) (:use-labels t))
1269 (defknown fdocumentation (t symbol)
1273 (defknown describe (t &optional (or stream (member t nil))) (values))
1274 (defknown inspect (t) (values))
1275 (defknown room (&optional (member t nil :default)) (values))
1276 (defknown ed (&optional (or symbol cons filename))
1278 (defknown dribble (&optional filename &key (:if-exists t)) (values))
1280 (defknown apropos (string-designator &optional package-designator t) (values))
1281 (defknown apropos-list (string-designator &optional package-designator t) list
1284 (defknown get-decoded-time ()
1285 (values (integer 0 59) (integer 0 59) (integer 0 23) (integer 1 31)
1286 (integer 1 12) unsigned-byte (integer 0 6) boolean (rational -24 24))
1289 (defknown get-universal-time () unsigned-byte (flushable))
1291 (defknown decode-universal-time
1292 (unsigned-byte &optional (or null (rational -24 24)))
1293 (values (integer 0 59) (integer 0 59) (integer 0 23) (integer 1 31)
1294 (integer 1 12) unsigned-byte (integer 0 6) boolean (rational -24 24))
1297 (defknown encode-universal-time
1298 ((integer 0 59) (integer 0 59) (integer 0 23) (integer 1 31)
1299 (integer 1 12) unsigned-byte &optional (or null (rational -24 24)))
1303 (defknown (get-internal-run-time get-internal-real-time)
1304 () internal-time (flushable))
1306 (defknown sleep ((or (rational 0) (float 0.0))) null)
1308 ;;; Even though ANSI defines LISP-IMPLEMENTATION-TYPE and
1309 ;;; LISP-IMPLEMENTATION-VERSION to possibly punt and return NIL, we
1310 ;;; know that there's no valid reason for our implementations to ever
1311 ;;; do so, so we can safely guarantee that they'll return strings.
1312 (defknown (lisp-implementation-type lisp-implementation-version)
1313 () simple-string (flushable))
1315 ;;; For any of these functions, meaningful information might not be
1316 ;;; available, so -- unlike the related LISP-IMPLEMENTATION-FOO
1317 ;;; functions -- these really can return NIL.
1318 (defknown (machine-type machine-version machine-instance
1319 software-type software-version
1320 short-site-name long-site-name)
1321 () (or simple-string null) (flushable))
1323 (defknown identity (t) t (movable foldable flushable unsafe)
1324 :derive-type #'result-type-first-arg)
1326 (defknown constantly (t) function (movable flushable))
1327 (defknown complement (function) function (movable flushable))
1329 ;;;; miscellaneous extensions
1331 (defknown get-bytes-consed () unsigned-byte (flushable))
1332 (defknown mask-signed-field ((integer 0 *) integer) integer
1333 (movable flushable foldable))
1336 (defknown incf-pcounter (pcounter unsigned-byte) pcounter)
1337 (defknown pcounter->integer (pcounter) unsigned-byte)
1338 (defknown %incf-pcounter-or-fixnum ((or pcounter fixnum) unsigned-byte)
1339 (or pcounter fixnum))
1340 (defknown pcounter-or-fixnum->integer ((or pcounter fixnum)) unsigned-byte)
1342 ;;;; magical compiler frobs
1344 ;;; We can't fold this in general because of SATISFIES. There is a
1345 ;;; special optimizer anyway.
1346 (defknown %typep (t (or type-specifier ctype)) boolean
1347 (movable flushable explicit-check))
1348 (defknown %instance-typep (t (or type-specifier ctype)) boolean
1349 (movable flushable explicit-check))
1351 (defknown %cleanup-point () t)
1352 (defknown %special-bind (t t) t)
1353 (defknown %special-unbind (t) t)
1354 (defknown %listify-rest-args (t index) list (flushable))
1355 (defknown %more-arg-context (t t) (values t index) (flushable))
1356 (defknown %more-arg (t index) t)
1357 (defknown %more-arg-values (t index index) * (flushable))
1358 (defknown %verify-arg-count (index index) (values))
1359 (defknown %arg-count-error (t) nil)
1360 (defknown %unknown-values () *)
1361 (defknown %catch (t t) t)
1362 (defknown %unwind-protect (t t) t)
1363 (defknown (%catch-breakup %unwind-protect-breakup) () t)
1364 (defknown %lexical-exit-breakup (t) t)
1365 (defknown %continue-unwind (t t t) nil)
1366 (defknown %throw (t &rest t) nil) ; This is MV-called.
1367 (defknown %nlx-entry (t) *)
1368 (defknown %%primitive (t t &rest t) *)
1369 (defknown %pop-values (t) t)
1370 (defknown %nip-values (t t &rest t) (values))
1371 (defknown %allocate-closures (t) *)
1372 (defknown %type-check-error (t t) nil)
1374 ;; FIXME: This function does not return, but due to the implementation
1375 ;; of FILTER-LVAR we cannot write it here.
1376 (defknown %compile-time-type-error (t t t) *)
1378 (defknown %odd-key-args-error () nil)
1379 (defknown %unknown-key-arg-error (t) nil)
1380 (defknown (%ldb %mask-field) (bit-index bit-index integer) unsigned-byte
1381 (movable foldable flushable explicit-check))
1382 (defknown (%dpb %deposit-field) (integer bit-index bit-index integer) integer
1383 (movable foldable flushable explicit-check))
1384 (defknown %negate (number) number (movable foldable flushable explicit-check))
1385 (defknown %check-bound (array index fixnum) index (movable foldable flushable))
1386 (defknown data-vector-ref (simple-array index) t
1387 (foldable explicit-check))
1388 (defknown data-vector-set (array index t) t (unsafe explicit-check))
1389 (defknown hairy-data-vector-ref (array index) t
1390 (foldable explicit-check))
1391 (defknown hairy-data-vector-set (array index t) t (unsafe explicit-check))
1392 (defknown %caller-frame-and-pc () (values t t) (flushable))
1393 (defknown %with-array-data (array index (or index null))
1394 (values (simple-array * (*)) index index index)
1395 (foldable flushable))
1396 (defknown %set-symbol-package (symbol t) t (unsafe))
1397 (defknown %coerce-name-to-fun ((or symbol cons)) function (flushable))
1398 (defknown %coerce-callable-to-fun (callable) function (flushable))
1399 (defknown failed-%with-array-data (t t t) nil)
1400 (defknown %find-position
1401 (t sequence t index sequence-end function function)
1402 (values t (or index null))
1404 (defknown (%find-position-if %find-position-if-not)
1405 (function sequence t index sequence-end function)
1406 (values t (or index null))
1408 (defknown effective-find-position-test (callable callable)
1410 (flushable foldable))
1411 (defknown effective-find-position-key (callable)
1413 (flushable foldable))
1415 (defknown %check-vector-sequence-bounds (vector index sequence-end)
1418 ;;; FIXME: including this information here is probably necessary to
1419 ;;; get efficient compilation of the inline expansion of
1420 ;;; %FIND-POSITION-IF, so it should maybe be in a more
1421 ;;; compiler-friendly package (SB-INT?)
1422 (defknown sb!impl::signal-bounding-indices-bad-error
1423 (sequence index sequence-end)
1424 nil) ; never returns
1427 (defknown arg-count-error (t t t t t t) nil (unsafe))
1431 (defknown %aset (array &rest t) t (unsafe))
1432 (defknown %set-row-major-aref (array index t) t (unsafe))
1433 (defknown %rplaca (cons t) t (unsafe))
1434 (defknown %rplacd (cons t) t (unsafe))
1435 (defknown %put (symbol t t) t (unsafe))
1436 (defknown %setelt (sequence index t) t (unsafe))
1437 (defknown %svset (simple-vector index t) t (unsafe))
1438 (defknown %bitset ((array bit) &rest index) bit (unsafe))
1439 (defknown %sbitset ((simple-array bit) &rest index) bit (unsafe))
1440 (defknown %charset (string index character) character (unsafe))
1441 (defknown %scharset (simple-string index character) character (unsafe))
1442 (defknown %set-symbol-value (symbol t) t (unsafe))
1443 (defknown (setf symbol-function) (function symbol) function (unsafe))
1444 (defknown %set-symbol-plist (symbol t) t (unsafe))
1445 (defknown (setf fdocumentation) ((or string null) t symbol)
1448 (defknown %setnth (unsigned-byte list t) t (unsafe))
1449 (defknown %set-fill-pointer (vector index) index (unsafe))
1451 ;;;; ALIEN and call-out-to-C stuff
1453 ;;; 'unsafe' attribute because we store the arg on the stack, which is in
1454 ;;; some sense 'passing it upwards'
1455 (defknown sb!vm::push-word-on-c-stack (system-area-pointer) (values) (unsafe))
1456 (defknown sb!vm::pop-words-from-c-stack (index) (values) ())
1459 (defknown foreign-symbol-dataref-sap (simple-string)
1461 (movable flushable))
1463 (defknown foreign-symbol-sap (simple-string &optional boolean)
1465 (movable flushable))
1467 (defknown foreign-symbol-address (simple-string &optional boolean)
1468 (values integer boolean)
1469 (movable flushable))
1471 ;;;; miscellaneous internal utilities
1473 (defknown %fun-name (function) t (flushable))
1474 (defknown (setf %fun-name) (t function) t (unsafe))
1476 (defknown policy-quality (policy symbol) policy-quality
1479 (defknown (compiler-abort compiler-error) (string &rest t) nil ())
1480 (defknown (compiler-warn compiler-style-warn) (string &rest t) (values) ())
1481 (defknown (compiler-notify maybe-compiler-notify) ((or string symbol) &rest t)
1484 (defknown style-warn (string &rest t) null ())