1 ;;;; bootstrapping fundamental machinery (e.g. DEFUN, DEFCONSTANT,
2 ;;;; DEFVAR) from special forms and primitive functions
4 ;;;; KLUDGE: The bootstrapping aspect of this is now obsolete. It was
5 ;;;; originally intended that this file file would be loaded into a
6 ;;;; Lisp image which had Common Lisp primitives defined, and DEFMACRO
7 ;;;; defined, and little else. Since then that approach has been
8 ;;;; dropped and this file has been modified somewhat to make it work
9 ;;;; more cleanly when used to predefine macros at
10 ;;;; build-the-cross-compiler time.
12 ;;;; This software is part of the SBCL system. See the README file for
13 ;;;; more information.
15 ;;;; This software is derived from the CMU CL system, which was
16 ;;;; written at Carnegie Mellon University and released into the
17 ;;;; public domain. The software is in the public domain and is
18 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
19 ;;;; files for more information.
21 (in-package "SB!IMPL")
26 (defmacro-mundanely in-package (string-designator)
27 (let ((string (string string-designator)))
28 `(eval-when (:compile-toplevel :load-toplevel :execute)
29 (setq *package* (find-undeleted-package-or-lose ,string)))))
31 ;;;; MULTIPLE-VALUE-FOO
33 (defun list-of-symbols-p (x)
37 (defmacro-mundanely multiple-value-bind (vars value-form &body body)
38 (if (list-of-symbols-p vars)
39 ;; It's unclear why it would be important to special-case the LENGTH=1 case
40 ;; at this level, but the CMU CL code did it, so.. -- WHN 19990411
41 (if (= (length vars) 1)
42 `(let ((,(car vars) ,value-form))
44 (let ((ignore (sb!xc:gensym)))
45 `(multiple-value-call #'(lambda (&optional ,@(mapcar #'list vars)
47 (declare (ignore ,ignore))
50 (error "Vars is not a list of symbols: ~S" vars)))
52 (defmacro-mundanely multiple-value-setq (vars value-form)
53 (unless (list-of-symbols-p vars)
54 (error "Vars is not a list of symbols: ~S" vars))
55 ;; MULTIPLE-VALUE-SETQ is required to always return just the primary
56 ;; value of the value-from, even if there are no vars. (SETF VALUES)
57 ;; in turn is required to return as many values as there are
58 ;; value-places, hence this:
60 `(values (setf (values ,@vars) ,value-form))
61 `(values ,value-form)))
63 (defmacro-mundanely multiple-value-list (value-form)
64 `(multiple-value-call #'list ,value-form))
66 ;;;; various conditional constructs
68 ;;; COND defined in terms of IF
69 (defmacro-mundanely cond (&rest clauses)
72 (let ((clause (first clauses))
73 (more (rest clauses)))
75 (error "COND clause is not a list: ~S" clause)
76 (let ((test (first clause))
77 (forms (rest clause)))
79 (let ((n-result (gensym)))
80 `(let ((,n-result ,test))
85 ;; THE to perserve non-toplevelness for FOO in
87 `(the t (progn ,@forms))
90 ,(when more `(cond ,@more))))))))))
92 (defmacro-mundanely when (test &body forms)
94 "If the first argument is true, the rest of the forms are
95 evaluated as a PROGN."
96 `(if ,test (progn ,@forms) nil))
98 (defmacro-mundanely unless (test &body forms)
100 "If the first argument is not true, the rest of the forms are
101 evaluated as a PROGN."
102 `(if ,test nil (progn ,@forms)))
104 (defmacro-mundanely and (&rest forms)
105 (cond ((endp forms) t)
107 ;; Preserve non-toplevelness of the form!
108 `(the t ,(first forms)))
114 (defmacro-mundanely or (&rest forms)
115 (cond ((endp forms) nil)
117 ;; Preserve non-toplevelness of the form!
118 `(the t ,(first forms)))
120 (let ((n-result (gensym)))
121 `(let ((,n-result ,(first forms)))
124 (or ,@(rest forms))))))))
126 ;;;; various sequencing constructs
128 (flet ((prog-expansion-from-let (varlist body-decls let)
129 (multiple-value-bind (body decls)
130 (parse-body body-decls :doc-string-allowed nil)
134 (tagbody ,@body))))))
135 (defmacro-mundanely prog (varlist &body body-decls)
136 (prog-expansion-from-let varlist body-decls 'let))
137 (defmacro-mundanely prog* (varlist &body body-decls)
138 (prog-expansion-from-let varlist body-decls 'let*)))
140 (defmacro-mundanely prog1 (result &body body)
141 (let ((n-result (gensym)))
142 `(let ((,n-result ,result))
146 (defmacro-mundanely prog2 (form1 result &body body)
147 `(prog1 (progn ,form1 ,result) ,@body))
151 ;;; Should we save the inline expansion of the function named NAME?
152 (defun inline-fun-name-p (name)
154 ;; the normal reason for saving the inline expansion
155 (info :function :inlinep name)
156 ;; another reason for saving the inline expansion: If the
157 ;; ANSI-recommended idiom
158 ;; (DECLAIM (INLINE FOO))
160 ;; (DECLAIM (NOTINLINE FOO))
161 ;; has been used, and then we later do another
163 ;; without a preceding
164 ;; (DECLAIM (INLINE FOO))
165 ;; what should we do with the old inline expansion when we see the
166 ;; new DEFUN? Overwriting it with the new definition seems like
167 ;; the only unsurprising choice.
168 (info :function :inline-expansion-designator name)))
170 (defmacro-mundanely defun (&environment env name args &body body)
171 "Define a function at top level."
173 (unless (symbol-package (fun-name-block-name name))
174 (warn "DEFUN of uninterned function name ~S (tricky for GENESIS)" name))
175 (multiple-value-bind (forms decls doc) (parse-body body)
176 (let* (;; stuff shared between LAMBDA and INLINE-LAMBDA and NAMED-LAMBDA
179 (block ,(fun-name-block-name name)
181 (lambda `(lambda ,@lambda-guts))
183 (named-lambda `(named-lambda ,name ,@lambda-guts))
184 (inline-type (inline-fun-name-p name))
186 (when (and inline-type
187 (neq inline-type :notinline))
188 ;; we want to attempt to inline, so complain if we can't
189 (or (sb!c:maybe-inline-syntactic-closure lambda env)
192 #-sb-xc-host sb!c:maybe-compiler-notify
193 "lexical environment too hairy, can't inline DEFUN ~S"
197 ;; In cross-compilation of toplevel DEFUNs, we arrange for
198 ;; the LAMBDA to be statically linked by GENESIS.
200 ;; It may seem strangely inconsistent not to use NAMED-LAMBDA
201 ;; here instead of LAMBDA. The reason is historical:
202 ;; COLD-FSET was written before NAMED-LAMBDA, and has special
203 ;; logic of its own to notify the compiler about NAME.
205 (cold-fset ,name ,lambda)
207 (eval-when (:compile-toplevel)
208 (sb!c:%compiler-defun ',name ',inline-lambda t))
209 (eval-when (:load-toplevel :execute)
211 ;; In normal compilation (not for cold load) this is
212 ;; where the compiled LAMBDA first appears. In
213 ;; cross-compilation, we manipulate the
214 ;; previously-statically-linked LAMBDA here.
215 #-sb-xc-host ,named-lambda
216 #+sb-xc-host (fdefinition ',name)
219 (sb!c:source-location)))))))
222 (defun %defun (name def doc inline-lambda source-location)
223 (declare (type function def))
224 (declare (type (or null simple-string) doc))
225 (aver (legal-fun-name-p name)) ; should've been checked by DEFMACRO DEFUN
226 (sb!c:%compiler-defun name inline-lambda nil)
228 (/show0 "redefining NAME in %DEFUN")
229 (warn 'sb!kernel::redefinition-with-defun
232 :new-location source-location))
233 (setf (sb!xc:fdefinition name) def)
234 ;; %COMPILER-DEFUN doesn't do this except at compile-time, when it
235 ;; also checks package locks. By doing this here we let (SETF
236 ;; FDEFINITION) do the load-time package lock checking before
237 ;; we frob any existing inline expansions.
238 (sb!c::%set-inline-expansion name nil inline-lambda)
240 (sb!c::note-name-defined name :function)
243 (setf (%fun-doc def) doc))
247 ;;;; DEFVAR and DEFPARAMETER
249 (defmacro-mundanely defvar (var &optional (val nil valp) (doc nil docp))
251 "Define a special variable at top level. Declare the variable
252 SPECIAL and, optionally, initialize it. If the variable already has a
253 value, the old value is not clobbered. The third argument is an optional
254 documentation string for the variable."
256 (eval-when (:compile-toplevel)
257 (%compiler-defvar ',var))
258 (eval-when (:load-toplevel :execute)
259 (%defvar ',var (unless (boundp ',var) ,val)
261 (sb!c:source-location)))))
263 (defmacro-mundanely defparameter (var val &optional (doc nil docp))
265 "Define a parameter that is not normally changed by the program,
266 but that may be changed without causing an error. Declare the
267 variable special and sets its value to VAL, overwriting any
268 previous value. The third argument is an optional documentation
269 string for the parameter."
271 (eval-when (:compile-toplevel)
272 (%compiler-defvar ',var))
273 (eval-when (:load-toplevel :execute)
274 (%defparameter ',var ,val ,doc ',docp (sb!c:source-location)))))
276 (defun %compiler-defvar (var)
277 (sb!xc:proclaim `(special ,var)))
280 (defun %defvar (var val valp doc docp source-location)
281 (%compiler-defvar var)
286 (setf (fdocumentation var 'variable) doc))
287 (sb!c:with-source-location (source-location)
288 (setf (info :source-location :variable var) source-location))
292 (defun %defparameter (var val doc docp source-location)
293 (%compiler-defvar var)
296 (setf (fdocumentation var 'variable) doc))
297 (sb!c:with-source-location (source-location)
298 (setf (info :source-location :variable var) source-location))
301 ;;;; iteration constructs
303 ;;; (These macros are defined in terms of a function FROB-DO-BODY which
304 ;;; is also used by SB!INT:DO-ANONYMOUS. Since these macros should not
305 ;;; be loaded on the cross-compilation host, but SB!INT:DO-ANONYMOUS
306 ;;; and FROB-DO-BODY should be, these macros can't conveniently be in
307 ;;; the same file as FROB-DO-BODY.)
308 (defmacro-mundanely do (varlist endlist &body body)
310 "DO ({(Var [Init] [Step])}*) (Test Exit-Form*) Declaration* Form*
311 Iteration construct. Each Var is initialized in parallel to the value of the
312 specified Init form. On subsequent iterations, the Vars are assigned the
313 value of the Step form (if any) in parallel. The Test is evaluated before
314 each evaluation of the body Forms. When the Test is true, the Exit-Forms
315 are evaluated as a PROGN, with the result being the value of the DO. A block
316 named NIL is established around the entire expansion, allowing RETURN to be
317 used as an alternate exit mechanism."
318 (frob-do-body varlist endlist body 'let 'psetq 'do nil))
319 (defmacro-mundanely do* (varlist endlist &body body)
321 "DO* ({(Var [Init] [Step])}*) (Test Exit-Form*) Declaration* Form*
322 Iteration construct. Each Var is initialized sequentially (like LET*) to the
323 value of the specified Init form. On subsequent iterations, the Vars are
324 sequentially assigned the value of the Step form (if any). The Test is
325 evaluated before each evaluation of the body Forms. When the Test is true,
326 the Exit-Forms are evaluated as a PROGN, with the result being the value
327 of the DO. A block named NIL is established around the entire expansion,
328 allowing RETURN to be used as an laternate exit mechanism."
329 (frob-do-body varlist endlist body 'let* 'setq 'do* nil))
331 ;;; DOTIMES and DOLIST could be defined more concisely using
332 ;;; destructuring macro lambda lists or DESTRUCTURING-BIND, but then
333 ;;; it'd be tricky to use them before those things were defined.
334 ;;; They're used enough times before destructuring mechanisms are
335 ;;; defined that it looks as though it's worth just implementing them
336 ;;; ASAP, at the cost of being unable to use the standard
337 ;;; destructuring mechanisms.
338 (defmacro-mundanely dotimes ((var count &optional (result nil)) &body body)
339 (cond ((integerp count)
340 `(do ((,var 0 (1+ ,var)))
341 ((>= ,var ,count) ,result)
342 (declare (type unsigned-byte ,var))
345 (let ((c (gensym "COUNT")))
346 `(do ((,var 0 (1+ ,var))
348 ((>= ,var ,c) ,result)
349 (declare (type unsigned-byte ,var)
353 (defmacro-mundanely dolist ((var list &optional (result nil)) &body body &environment env)
354 ;; We repeatedly bind the var instead of setting it so that we never
355 ;; have to give the var an arbitrary value such as NIL (which might
356 ;; conflict with a declaration). If there is a result form, we
357 ;; introduce a gratuitous binding of the variable to NIL without the
358 ;; declarations, then evaluate the result form in that
359 ;; environment. We spuriously reference the gratuitous variable,
360 ;; since we don't want to use IGNORABLE on what might be a special
362 (multiple-value-bind (forms decls) (parse-body body :doc-string-allowed nil)
363 (let* ((n-list (gensym "N-LIST"))
364 (start (gensym "START"))
365 (tmp (gensym "TMP")))
366 (multiple-value-bind (clist members clist-ok)
367 (cond ((sb!xc:constantp list env)
368 (let ((value (constant-form-value list env)))
369 (multiple-value-bind (all dot) (list-members value)
371 ;; Full warning is too much: the user may terminate the loop
372 ;; early enough. Contents are still right, though.
373 (style-warn "Dotted list ~S in DOLIST." value))
374 (values value all t))))
375 ((and (consp list) (eq 'list (car list))
376 (every (lambda (arg) (sb!xc:constantp arg env)) (cdr list)))
377 (let ((values (mapcar (lambda (arg) (constant-form-value arg env)) (cdr list))))
378 (values values values t)))
380 (values nil nil nil)))
382 (let ((,n-list ,(if clist-ok (list 'quote clist) list)))
385 (unless (endp ,n-list)
386 (let* (,@(if clist-ok
387 `((,tmp (truly-the (member ,@members) (car ,n-list)))
389 `((,var (car ,n-list)))))
391 (setq ,n-list (cdr ,n-list))
396 ;; Filter out TYPE declarations (VAR gets bound to NIL,
397 ;; and might have a conflicting type declaration) and
398 ;; IGNORE (VAR might be ignored in the loop body, but
399 ;; it's used in the result form).
400 ,@(filter-dolist-declarations decls)
405 ;;;; conditions, handlers, restarts
407 ;;; KLUDGE: we PROCLAIM these special here so that we can use restart
408 ;;; macros in the compiler before the DEFVARs are compiled.
410 '(special *handler-clusters* *restart-clusters* *condition-restarts*))
412 (defmacro-mundanely with-condition-restarts
413 (condition-form restarts-form &body body)
415 "Evaluates the BODY in a dynamic environment where the restarts in the list
416 RESTARTS-FORM are associated with the condition returned by CONDITION-FORM.
417 This allows FIND-RESTART, etc., to recognize restarts that are not related
418 to the error currently being debugged. See also RESTART-CASE."
419 (let ((n-cond (gensym)))
420 `(let ((*condition-restarts*
421 (cons (let ((,n-cond ,condition-form))
423 (append ,restarts-form
424 (cdr (assoc ,n-cond *condition-restarts*)))))
425 *condition-restarts*)))
428 (defmacro-mundanely restart-bind (bindings &body forms)
430 "Executes forms in a dynamic context where the given restart bindings are
431 in effect. Users probably want to use RESTART-CASE. When clauses contain
432 the same restart name, FIND-RESTART will find the first such clause."
433 `(let ((*restart-clusters*
435 ,@(mapcar (lambda (binding)
436 (unless (or (car binding)
437 (member :report-function
440 (warn "Unnamed restart does not have a ~
443 `(make-restart :name ',(car binding)
444 :function ,(cadr binding)
447 *restart-clusters*)))
450 ;;; Wrap the RESTART-CASE expression in a WITH-CONDITION-RESTARTS if
451 ;;; appropriate. Gross, but it's what the book seems to say...
452 (defun munge-restart-case-expression (expression env)
453 (let ((exp (%macroexpand expression env)))
455 (let* ((name (car exp))
456 (args (if (eq name 'cerror) (cddr exp) (cdr exp))))
457 (if (member name '(signal error cerror warn))
458 (once-only ((n-cond `(coerce-to-condition
462 (warn 'simple-warning)
463 (signal 'simple-condition)
466 `(with-condition-restarts
468 (car *restart-clusters*)
469 ,(if (eq name 'cerror)
470 `(cerror ,(second exp) ,n-cond)
475 ;;; FIXME: I did a fair amount of rearrangement of this code in order to
476 ;;; get WITH-KEYWORD-PAIRS to work cleanly. This code should be tested..
477 (defmacro-mundanely restart-case (expression &body clauses &environment env)
480 {(case-name arg-list {keyword value}* body)}*)
481 The form is evaluated in a dynamic context where the clauses have special
482 meanings as points to which control may be transferred (see INVOKE-RESTART).
483 When clauses contain the same case-name, FIND-RESTART will find the first
484 such clause. If Expression is a call to SIGNAL, ERROR, CERROR or WARN (or
485 macroexpands into such) then the signalled condition will be associated with
487 (flet ((transform-keywords (&key report interactive test)
490 (setq result (list* (if (stringp report)
492 (write-string ,report stream))
497 (setq result (list* `#',interactive
498 :interactive-function
501 (setq result (list* `#',test :test-function result)))
503 (parse-keyword-pairs (list keys)
504 (do ((l list (cddr l))
505 (k '() (list* (cadr l) (car l) k)))
506 ((or (null l) (not (member (car l) keys)))
507 (values (nreverse k) l)))))
508 (let ((block-tag (sb!xc:gensym "BLOCK"))
511 (macrolet (;; KLUDGE: This started as an old DEFMACRO
512 ;; WITH-KEYWORD-PAIRS general utility, which was used
513 ;; only in this one place in the code. It was translated
514 ;; literally into this MACROLET in order to avoid some
515 ;; cross-compilation bootstrap problems. It would almost
516 ;; certainly be clearer, and it would certainly be more
517 ;; concise, to do a more idiomatic translation, merging
518 ;; this with the TRANSFORM-KEYWORDS logic above.
520 (with-keyword-pairs ((names expression) &body forms)
521 (let ((temp (member '&rest names)))
522 (unless (= (length temp) 2)
523 (error "&REST keyword is ~:[missing~;misplaced~]."
525 (let* ((key-vars (ldiff names temp))
526 (keywords (mapcar #'keywordicate key-vars))
528 (rest-var (cadr temp)))
529 `(multiple-value-bind (,key-var ,rest-var)
530 (parse-keyword-pairs ,expression ',keywords)
531 (let ,(mapcar (lambda (var keyword)
532 `(,var (getf ,key-var
536 (mapcar (lambda (clause)
537 (unless (listp (second clause))
538 (error "Malformed ~S clause, no lambda-list:~% ~S"
539 'restart-case clause))
540 (with-keyword-pairs ((report interactive test
543 (list (car clause) ;name=0
544 (sb!xc:gensym "TAG") ;tag=1
545 (transform-keywords :report report ;keywords=2
546 :interactive interactive
552 (let ((,temp-var nil))
555 ,(mapcar (lambda (datum)
556 (let ((name (nth 0 datum))
558 (keys (nth 2 datum)))
559 `(,name #'(lambda (&rest temp)
560 (setq ,temp-var temp)
564 (return-from ,block-tag
565 ,(munge-restart-case-expression expression env)))
566 ,@(mapcan (lambda (datum)
567 (let ((tag (nth 1 datum))
569 (body (nth 4 datum)))
571 `(return-from ,block-tag
572 (apply (lambda ,bvl ,@body)
576 (defmacro-mundanely with-simple-restart ((restart-name format-string
577 &rest format-arguments)
580 "(WITH-SIMPLE-RESTART (restart-name format-string format-arguments)
582 If restart-name is not invoked, then all values returned by forms are
583 returned. If control is transferred to this restart, it immediately
584 returns the values NIL and T."
586 ;; If there's just one body form, then don't use PROGN. This allows
587 ;; RESTART-CASE to "see" calls to ERROR, etc.
588 ,(if (= (length forms) 1) (car forms) `(progn ,@forms))
590 :report (lambda (stream)
591 (format stream ,format-string ,@format-arguments))
594 (defmacro-mundanely %handler-bind (bindings form)
595 (let ((member-if (member-if (lambda (x)
596 (not (proper-list-of-length-p x 2)))
599 (error "ill-formed handler binding: ~S" (first member-if))))
600 (let* ((local-funs nil)
601 (mapped-bindings (mapcar (lambda (binding)
602 (destructuring-bind (type handler) binding
603 (let ((lambda-form handler))
604 (if (and (consp handler)
605 (or (eq 'lambda (car handler))
606 (and (eq 'function (car handler))
607 (consp (cdr handler))
608 (let ((x (second handler)))
611 (setf lambda-form x))))))
612 (let ((name (sb!xc:gensym "LAMBDA")))
613 (push `(,name ,@(cdr lambda-form)) local-funs)
614 (list type `(function ,name)))
617 `(dx-flet (,@(reverse local-funs))
618 (let ((*handler-clusters*
619 (cons (list ,@(mapcar (lambda (x) `(cons ',(car x) ,(cadr x)))
621 *handler-clusters*)))
622 #!+stack-allocatable-fixed-objects
623 (declare (truly-dynamic-extent *handler-clusters*))
626 (defmacro-mundanely handler-bind (bindings &body forms)
628 "(HANDLER-BIND ( {(type handler)}* ) body)
630 Executes body in a dynamic context where the given handler bindings are in
631 effect. Each handler must take the condition being signalled as an argument.
632 The bindings are searched first to last in the event of a signalled
634 `(%handler-bind ,bindings
635 #!-x86 (progn ,@forms)
636 ;; Need to catch FP errors here!
637 #!+x86 (multiple-value-prog1 (progn ,@forms) (float-wait))))
639 (defmacro-mundanely handler-case (form &rest cases)
640 "(HANDLER-CASE form { (type ([var]) body) }* )
642 Execute FORM in a context with handlers established for the condition types. A
643 peculiar property allows type to be :NO-ERROR. If such a clause occurs, and
644 form returns normally, all its values are passed to this clause as if by
645 MULTIPLE-VALUE-CALL. The :NO-ERROR clause accepts more than one var
647 (let ((no-error-clause (assoc ':no-error cases)))
649 (let ((normal-return (make-symbol "normal-return"))
650 (error-return (make-symbol "error-return")))
651 `(block ,error-return
652 (multiple-value-call (lambda ,@(cdr no-error-clause))
653 (block ,normal-return
654 (return-from ,error-return
655 (handler-case (return-from ,normal-return ,form)
656 ,@(remove no-error-clause cases)))))))
657 (let* ((local-funs nil)
659 (mapcar (lambda (case)
660 (with-unique-names (tag fun)
661 (destructuring-bind (type ll &body body) case
662 (push `(,fun ,ll ,@body) local-funs)
663 (list tag type ll fun))))
665 (with-unique-names (block cell form-fun)
666 `(dx-flet ((,form-fun ()
668 ;; Need to catch FP errors here!
669 #!+x86 (multiple-value-prog1 ,form (float-wait)))
670 ,@(reverse local-funs))
671 (declare (optimize (sb!c::check-tag-existence 0)))
673 ;; KLUDGE: We use a dx CONS cell instead of just assigning to
674 ;; the variable directly, so that we can stack allocate
675 ;; robustly: dx value cells don't work quite right, and it is
676 ;; possible to construct user code that should loop
677 ;; indefinitely, but instead eats up some stack each time
679 (dx-let ((,cell (cons :condition nil)))
680 (declare (ignorable ,cell))
683 ,(mapcar (lambda (annotated-case)
684 (destructuring-bind (tag type ll fun-name) annotated-case
685 (declare (ignore fun-name))
689 `(setf (cdr ,cell) temp)
690 '(declare (ignore temp)))
693 (return-from ,block (,form-fun)))
695 (lambda (annotated-case)
696 (destructuring-bind (tag type ll fun-name) annotated-case
697 (declare (ignore type))
701 `(,fun-name (cdr ,cell))
703 annotated-cases))))))))))
707 (defmacro-mundanely return (&optional (value nil))
708 `(return-from nil ,value))
710 (defmacro-mundanely psetq (&rest pairs)
713 Set the variables to the values, like SETQ, except that assignments
714 happen in parallel, i.e. no assignments take place until all the
715 forms have been evaluated."
716 ;; Given the possibility of symbol-macros, we delegate to PSETF
717 ;; which knows how to deal with them, after checking that syntax is
718 ;; compatible with PSETQ.
719 (do ((pair pairs (cddr pair)))
720 ((endp pair) `(psetf ,@pairs))
721 (unless (symbolp (car pair))
722 (error 'simple-program-error
723 :format-control "variable ~S in PSETQ is not a SYMBOL"
724 :format-arguments (list (car pair))))))
726 (defmacro-mundanely lambda (&whole whole args &body body)
727 (declare (ignore args body))
730 (defmacro-mundanely named-lambda (&whole whole name args &body body)
731 (declare (ignore name args body))
734 (defmacro-mundanely lambda-with-lexenv (&whole whole
735 declarations macros symbol-macros
737 (declare (ignore declarations macros symbol-macros body))
740 ;;; this eliminates a whole bundle of unknown function STYLE-WARNINGs
741 ;;; when cross-compiling. It's not critical for behaviour, but is
742 ;;; aesthetically pleasing, except inasmuch as there's this list of
743 ;;; magic functions here. -- CSR, 2003-04-01
745 (sb!xc:proclaim '(ftype (function * *)
746 ;; functions appearing in fundamental defining
755 sb!c::%define-symbol-macro
757 sb!c::%define-compiler-macro
759 sb!kernel::%compiler-defstruct
760 sb!kernel::%compiler-define-condition
761 sb!kernel::%defstruct
762 sb!kernel::%define-condition
763 ;; miscellaneous functions commonly appearing
764 ;; as a result of macro expansions or compiler
766 sb!int:find-undeleted-package-or-lose ; IN-PACKAGE
767 sb!kernel::arg-count-error ; PARSE-DEFMACRO