1 ;;;; bootstrapping the meta-braid
3 ;;;; The code in this file takes the early definitions that have been
4 ;;;; saved up and actually builds those class objects. This work is
5 ;;;; largely driven off of those class definitions, but the fact that
6 ;;;; STANDARD-CLASS is the class of all metaclasses in the braid is
7 ;;;; built into this code pretty deeply.
9 ;;;; This software is part of the SBCL system. See the README file for
10 ;;;; more information.
12 ;;;; This software is derived from software originally released by Xerox
13 ;;;; Corporation. Copyright and release statements follow. Later modifications
14 ;;;; to the software are in the public domain and are provided with
15 ;;;; absolutely no warranty. See the COPYING and CREDITS files for more
18 ;;;; copyright information from original PCL sources:
20 ;;;; Copyright (c) 1985, 1986, 1987, 1988, 1989, 1990 Xerox Corporation.
21 ;;;; All rights reserved.
23 ;;;; Use and copying of this software and preparation of derivative works based
24 ;;;; upon this software are permitted. Any distribution of this software or
25 ;;;; derivative works must comply with all applicable United States export
28 ;;;; This software is made available AS IS, and Xerox Corporation makes no
29 ;;;; warranty about the software, its performance or its conformity to any
34 (defun allocate-standard-instance (wrapper
35 &optional
(slots-init nil slots-init-p
))
36 (let ((instance (%make-standard-instance nil
(get-instance-hash-code)))
37 (no-of-slots (wrapper-no-of-instance-slots wrapper
)))
38 (setf (std-instance-wrapper instance
) wrapper
)
39 (setf (std-instance-slots instance
)
41 ;; Inline the slots vector allocation and initialization.
42 (let ((slots (make-array no-of-slots
:initial-element
0)))
43 (do ((rem-slots slots-init
(rest rem-slots
))
45 ((>= i no-of-slots
)) ;endp rem-slots))
46 (declare (list rem-slots
)
48 (setf (aref slots i
) (first rem-slots
)))
51 (make-array no-of-slots
52 :initial-element
+slot-unbound
+))))
55 (defmacro allocate-standard-funcallable-instance-slots
56 (wrapper &optional slots-init-p slots-init
)
57 `(let ((no-of-slots (wrapper-no-of-instance-slots ,wrapper
)))
60 (make-array no-of-slots
:initial-contents
,slots-init
)
61 (make-array no-of-slots
:initial-element
+slot-unbound
+))
62 `(make-array no-of-slots
:initial-element
+slot-unbound
+))))
64 (define-condition unset-funcallable-instance-function
65 (reference-condition simple-error
)
68 :references
(list '(:amop
:generic-function allocate-instance
)
69 '(:amop
:function set-funcallable-instance-function
))))
71 (defun allocate-standard-funcallable-instance
72 (wrapper &optional
(slots-init nil slots-init-p
))
73 (let ((fin (%make-standard-funcallable-instance
74 nil nil
(get-instance-hash-code))))
75 (set-funcallable-instance-function
77 #'(lambda (&rest args
)
78 (declare (ignore args
))
79 (error 'unset-funcallable-instance-function
80 :format-control
"~@<The function of funcallable instance ~
81 ~S has not been set.~@:>"
82 :format-arguments
(list fin
))))
83 (setf (fsc-instance-wrapper fin
) wrapper
84 (fsc-instance-slots fin
)
85 (allocate-standard-funcallable-instance-slots
86 wrapper slots-init-p slots-init
))
89 (defun allocate-structure-instance (wrapper &optional
90 (slots-init nil slots-init-p
))
91 (let* ((class (wrapper-class wrapper
))
92 (constructor (class-defstruct-constructor class
)))
94 (let ((instance (funcall constructor
))
95 (slots (class-slots class
)))
98 (setf (slot-value-using-class class instance slot
)
101 (error "can't allocate an instance of class ~S" (class-name class
)))))
103 ;;;; BOOTSTRAP-META-BRAID
105 ;;;; This function builds the base metabraid from the early class definitions.
107 (defmacro !initial-classes-and-wrappers
(&rest classes
)
109 ,@(mapcar (lambda (class)
110 (let ((wr (format-symbol *pcl-package
* "~A-WRAPPER" class
)))
111 `(setf ,wr
,(if (eq class
'standard-generic-function
)
114 (early-class-size ',class
)
116 ,class
(allocate-standard-instance
117 ,(if (eq class
'standard-generic-function
)
118 'funcallable-standard-class-wrapper
119 'standard-class-wrapper
))
120 (wrapper-class ,wr
) ,class
121 (find-class ',class
) ,class
)))
124 (defun !bootstrap-meta-braid
()
125 (let* ((*create-classes-from-internal-structure-definitions-p
* nil
)
126 standard-class-wrapper standard-class
127 funcallable-standard-class-wrapper funcallable-standard-class
128 slot-class-wrapper slot-class
129 built-in-class-wrapper built-in-class
130 structure-class-wrapper structure-class
131 condition-class-wrapper condition-class
132 standard-direct-slot-definition-wrapper
133 standard-direct-slot-definition
134 standard-effective-slot-definition-wrapper
135 standard-effective-slot-definition
136 class-eq-specializer-wrapper class-eq-specializer
137 standard-generic-function-wrapper standard-generic-function
)
138 (!initial-classes-and-wrappers
139 standard-class funcallable-standard-class
140 slot-class built-in-class structure-class condition-class
141 standard-direct-slot-definition standard-effective-slot-definition
142 class-eq-specializer standard-generic-function
)
143 ;; First, make a class metaobject for each of the early classes. For
144 ;; each metaobject we also set its wrapper. Except for the class T,
145 ;; the wrapper is always that of STANDARD-CLASS.
146 (dolist (definition *early-class-definitions
*)
147 (let* ((name (ecd-class-name definition
))
148 (meta (ecd-metaclass definition
))
150 (slot-class slot-class-wrapper
)
151 (standard-class standard-class-wrapper
)
152 (funcallable-standard-class
153 funcallable-standard-class-wrapper
)
154 (built-in-class built-in-class-wrapper
)
155 (structure-class structure-class-wrapper
)
156 (condition-class condition-class-wrapper
)))
157 (class (or (find-class name nil
)
158 (allocate-standard-instance wrapper
))))
159 (setf (find-class name
) class
)))
160 (dolist (definition *early-class-definitions
*)
161 (let ((name (ecd-class-name definition
))
162 (meta (ecd-metaclass definition
))
163 (source (ecd-source-location definition
))
164 (direct-supers (ecd-superclass-names definition
))
165 (direct-slots (ecd-canonical-slots definition
))
166 (other-initargs (ecd-other-initargs definition
)))
167 (let ((direct-default-initargs
168 (getf other-initargs
:direct-default-initargs
)))
169 (multiple-value-bind (slots cpl default-initargs direct-subclasses
)
170 (early-collect-inheritance name
)
171 (let* ((class (find-class name
))
172 (wrapper (cond ((eq class slot-class
)
174 ((eq class standard-class
)
175 standard-class-wrapper
)
176 ((eq class funcallable-standard-class
)
177 funcallable-standard-class-wrapper
)
178 ((eq class standard-direct-slot-definition
)
179 standard-direct-slot-definition-wrapper
)
181 standard-effective-slot-definition
)
182 standard-effective-slot-definition-wrapper
)
183 ((eq class built-in-class
)
184 built-in-class-wrapper
)
185 ((eq class structure-class
)
186 structure-class-wrapper
)
187 ((eq class condition-class
)
188 condition-class-wrapper
)
189 ((eq class class-eq-specializer
)
190 class-eq-specializer-wrapper
)
191 ((eq class standard-generic-function
)
192 standard-generic-function-wrapper
)
194 (boot-make-wrapper (length slots
) name
))))
196 (when (eq name t
) (setq *the-wrapper-of-t
* wrapper
))
197 (set (make-class-symbol name
) class
)
199 (unless (eq (getf slot
:allocation
:instance
) :instance
)
200 (error "Slot allocation ~S is not supported in bootstrap."
201 (getf slot
:allocation
))))
203 (when (typep wrapper
'wrapper
)
204 (setf (wrapper-instance-slots-layout wrapper
)
205 (mapcar #'canonical-slot-name slots
))
206 (setf (wrapper-class-slots wrapper
)
209 (setq proto
(if (eq meta
'funcallable-standard-class
)
210 (allocate-standard-funcallable-instance wrapper
)
211 (allocate-standard-instance wrapper
)))
214 (!bootstrap-make-slot-definitions
215 name class direct-slots
216 standard-direct-slot-definition-wrapper nil
))
218 (!bootstrap-make-slot-definitions
220 standard-effective-slot-definition-wrapper t
))
222 (setf (layout-slot-table wrapper
) (make-slot-table class slots t
))
225 ((standard-class funcallable-standard-class
)
226 (!bootstrap-initialize-class
228 class name class-eq-specializer-wrapper source
229 direct-supers direct-subclasses cpl wrapper proto
230 direct-slots slots direct-default-initargs default-initargs
))
231 (built-in-class ; *the-class-t*
232 (!bootstrap-initialize-class
234 class name class-eq-specializer-wrapper source
235 direct-supers direct-subclasses cpl wrapper proto
))
236 (slot-class ; *the-class-slot-object*
237 (!bootstrap-initialize-class
239 class name class-eq-specializer-wrapper source
240 direct-supers direct-subclasses cpl wrapper proto
))
241 (structure-class ; *the-class-structure-object*
242 (!bootstrap-initialize-class
244 class name class-eq-specializer-wrapper source
245 direct-supers direct-subclasses cpl wrapper
))
247 (!bootstrap-initialize-class
249 class name class-eq-specializer-wrapper source
250 direct-supers direct-subclasses cpl wrapper
))))))))
252 (let* ((smc-class (find-class 'standard-method-combination
))
253 (smc-wrapper (!bootstrap-get-slot
'standard-class
256 (smc (allocate-standard-instance smc-wrapper
)))
257 (flet ((set-slot (name value
)
258 (!bootstrap-set-slot
'standard-method-combination
262 (set-slot 'source nil
)
263 (set-slot 'type-name
'standard
)
264 (set-slot '%documentation
"The standard method combination.")
265 (set-slot 'options
()))
266 (setq *standard-method-combination
* smc
))))
268 ;;; Initialize a class metaobject.
269 (defun !bootstrap-initialize-class
270 (metaclass-name class name
271 class-eq-wrapper source direct-supers direct-subclasses cpl wrapper
274 direct-slots slots direct-default-initargs default-initargs
)
275 (flet ((classes (names) (mapcar #'find-class names
))
276 (set-slot (slot-name value
)
277 (!bootstrap-set-slot metaclass-name class slot-name value
)))
278 (set-slot 'name name
)
279 (set-slot 'finalized-p t
)
280 (set-slot 'source source
)
281 (set-slot 'safe-p nil
)
282 (set-slot '%type
(if (eq class
(find-class t
))
284 ;; FIXME: Could this just be CLASS instead
285 ;; of `(CLASS ,CLASS)? If not, why not?
286 ;; (See also similar expression in
287 ;; SHARED-INITIALIZE :BEFORE (CLASS).)
289 (set-slot 'class-eq-specializer
290 (let ((spec (allocate-standard-instance class-eq-wrapper
)))
291 (!bootstrap-set-slot
'class-eq-specializer spec
'%type
293 (!bootstrap-set-slot
'class-eq-specializer spec
'object
296 (set-slot '%class-precedence-list
(classes cpl
))
297 (set-slot 'cpl-available-p t
)
298 (set-slot 'can-precede-list
(classes (cdr cpl
)))
299 (set-slot 'incompatible-superclass-list nil
)
300 (set-slot 'direct-superclasses
(classes direct-supers
))
301 (set-slot 'direct-subclasses
(classes direct-subclasses
))
302 (set-slot 'direct-methods
(cons nil nil
))
303 (set-slot 'wrapper wrapper
)
304 (set-slot '%documentation nil
)
306 `(,@(and direct-default-initargs
307 `(direct-default-initargs ,direct-default-initargs
))
308 ,@(and default-initargs
309 `(default-initargs ,default-initargs
))))
310 (when (memq metaclass-name
'(standard-class funcallable-standard-class
311 structure-class condition-class
313 (set-slot 'direct-slots direct-slots
)
314 (set-slot 'slots slots
)
315 (setf (layout-slot-table wrapper
)
316 (make-slot-table class slots
317 (member metaclass-name
318 '(standard-class funcallable-standard-class
)))))
320 ;; For all direct superclasses SUPER of CLASS, make sure CLASS is
321 ;; a direct subclass of SUPER. Note that METACLASS-NAME doesn't
322 ;; matter here for the slot DIRECT-SUBCLASSES, since every class
323 ;; inherits the slot from class CLASS.
324 (dolist (super direct-supers
)
325 (let* ((super (find-class super
))
326 (subclasses (!bootstrap-get-slot metaclass-name super
327 'direct-subclasses
)))
328 (cond ((eq +slot-unbound
+ subclasses
)
329 (!bootstrap-set-slot metaclass-name super
'direct-subclasses
331 ((not (memq class subclasses
))
332 (!bootstrap-set-slot metaclass-name super
'direct-subclasses
333 (cons class subclasses
))))))
337 (let ((constructor-sym '|STRUCTURE-OBJECT class constructor|
))
338 (set-slot 'defstruct-form
339 `(defstruct (structure-object (:constructor
342 (set-slot 'defstruct-constructor constructor-sym
)
343 (set-slot 'from-defclass-p t
)
344 (set-slot 'plist nil
)
345 (set-slot 'prototype
(funcall constructor-sym
))))
347 (set-slot 'prototype
(make-condition name
)))
350 (if proto-p proto
(allocate-standard-instance wrapper
)))))
353 (defun !bootstrap-make-slot-definitions
(name class slots wrapper effective-p
)
355 (mapcar (lambda (slot)
357 (!bootstrap-make-slot-definition
358 name class slot wrapper effective-p index
))
361 (defun !bootstrap-make-slot-definition
362 (name class slot wrapper effective-p index
)
363 (let* ((slotd-class-name (if effective-p
364 'standard-effective-slot-definition
365 'standard-direct-slot-definition
))
366 (slotd (allocate-standard-instance wrapper
))
367 (slot-name (getf slot
:name
)))
368 (flet ((get-val (name) (getf slot name
))
370 (!bootstrap-set-slot slotd-class-name slotd name val
)))
371 (set-val 'name slot-name
)
372 (set-val 'initform
(get-val :initform
))
373 (set-val 'initfunction
(get-val :initfunction
))
374 (set-val 'initargs
(get-val :initargs
))
375 (set-val 'readers
(get-val :readers
))
376 (set-val 'writers
(get-val :writers
))
377 (set-val 'allocation
:instance
)
378 (set-val '%type
(or (get-val :type
) t
))
379 (set-val '%type-check-function
(get-val 'type-check-function
))
380 (set-val '%documentation
(or (get-val :documentation
) ""))
381 (set-val '%class class
)
383 (set-val 'location index
)
385 (set-val 'reader-function
(make-optimized-std-reader-method-function
386 fsc-p nil slot-name index
))
387 (set-val 'writer-function
(make-optimized-std-writer-method-function
388 fsc-p nil slot-name index
))
389 (set-val 'boundp-function
(make-optimized-std-boundp-method-function
390 fsc-p nil slot-name index
)))
391 (set-val 'accessor-flags
7))
392 (when (and (eq name
'standard-class
)
393 (eq slot-name
'slots
) effective-p
)
394 (setq *the-eslotd-standard-class-slots
* slotd
))
395 (when (and (eq name
'funcallable-standard-class
)
396 (eq slot-name
'slots
) effective-p
)
397 (setq *the-eslotd-funcallable-standard-class-slots
* slotd
))
400 (defun !bootstrap-accessor-definitions
(early-p)
401 (let ((*early-p
* early-p
))
402 (dolist (definition *early-class-definitions
*)
403 (let ((name (ecd-class-name definition
))
404 (meta (ecd-metaclass definition
)))
405 (unless (eq meta
'built-in-class
)
406 (let ((direct-slots (ecd-canonical-slots definition
)))
407 (dolist (slotd direct-slots
)
408 (let ((slot-name (getf slotd
:name
))
409 (readers (getf slotd
:readers
))
410 (writers (getf slotd
:writers
)))
411 (!bootstrap-accessor-definitions1
418 (defun !bootstrap-accessor-definition
(class-name accessor-name slot-name type
)
419 (multiple-value-bind (accessor-class make-method-function arglist specls doc
)
421 (reader (values 'standard-reader-method
422 #'make-std-reader-method-function
425 "automatically generated reader method"))
426 (writer (values 'standard-writer-method
427 #'make-std-writer-method-function
428 (list 'new-value class-name
)
430 "automatically generated writer method"))
431 (boundp (values 'standard-boundp-method
432 #'make-std-boundp-method-function
435 "automatically generated boundp method")))
436 (let ((gf (ensure-generic-function accessor-name
:lambda-list arglist
)))
437 (if (find specls
(early-gf-methods gf
)
438 :key
#'early-method-specializers
440 (unless (assoc accessor-name
*!generic-function-fixups
*
444 (make-a-method accessor-class
447 (funcall make-method-function
448 class-name slot-name
)
451 :object-class class-name
452 :method-class-function
(constantly (find-class accessor-class
))))))))
454 (defun !bootstrap-accessor-definitions1
(class-name
459 (flet ((do-reader-definition (reader)
460 (!bootstrap-accessor-definition class-name
464 (do-writer-definition (writer)
465 (!bootstrap-accessor-definition class-name
469 (do-boundp-definition (boundp)
470 (!bootstrap-accessor-definition class-name
474 (dolist (reader readers
) (do-reader-definition reader
))
475 (dolist (writer writers
) (do-writer-definition writer
))
476 (dolist (boundp boundps
) (do-boundp-definition boundp
))))
478 ;;; FIXME: find a better name.
479 (defun !bootstrap-class-predicates
(early-p)
480 (let ((*early-p
* early-p
))
481 (dolist (ecp *early-class-predicates
*)
482 (let ((class-name (car ecp
))
483 (predicate-name (cadr ecp
)))
484 (make-class-predicate (find-class class-name
) predicate-name
)))))
486 (defun !bootstrap-built-in-classes
()
488 ;; First make sure that all the supers listed in
489 ;; *BUILT-IN-CLASS-LATTICE* are themselves defined by
490 ;; *BUILT-IN-CLASS-LATTICE*. This is just to check for typos and
491 ;; other sorts of brainos.
492 (dolist (e *built-in-classes
*)
493 (dolist (super (cadr e
))
494 (unless (or (eq super t
)
495 (assq super
*built-in-classes
*))
496 (error "in *BUILT-IN-CLASSES*: ~S has ~S as a super,~%~
497 but ~S is not itself a class in *BUILT-IN-CLASSES*."
498 (car e
) super super
))))
500 ;; In the first pass, we create a skeletal object to be bound to the
502 (let* ((built-in-class (find-class 'built-in-class
))
503 (built-in-class-wrapper (class-wrapper built-in-class
)))
504 (dolist (e *built-in-classes
*)
505 (let ((class (allocate-standard-instance built-in-class-wrapper
)))
506 (setf (find-class (car e
)) class
))))
508 ;; In the second pass, we initialize the class objects.
509 (let ((class-eq-wrapper (class-wrapper (find-class 'class-eq-specializer
))))
510 (dolist (e *built-in-classes
*)
511 (destructuring-bind (name supers subs cpl prototype
) e
512 (let* ((class (find-class name
))
513 (lclass (find-classoid name
))
514 (wrapper (classoid-layout lclass
)))
515 (set (get-built-in-class-symbol name
) class
)
516 (set (get-built-in-wrapper-symbol name
) wrapper
)
517 (setf (classoid-pcl-class lclass
) class
)
519 (!bootstrap-initialize-class
'built-in-class class
520 name class-eq-wrapper nil
523 wrapper prototype
))))))
525 #-sb-fluid
(declaim (inline wrapper-of
))
526 (defun wrapper-of (x)
530 (wrapper-class* (wrapper-of x
)))
532 (defun eval-form (form)
533 (lambda () (eval form
)))
535 (defun ensure-non-standard-class (name &optional existing-class
)
537 ((ensure (metaclass &optional
(slots nil slotsp
))
539 (mapcar #'classoid-name
(classoid-direct-superclasses
540 (find-classoid name
)))))
542 (ensure-class-using-class existing-class name
543 :metaclass metaclass
:name name
544 :direct-superclasses supers
546 (ensure-class-using-class existing-class name
547 :metaclass metaclass
:name name
548 :direct-superclasses supers
))))
549 (slot-initargs-from-structure-slotd (slotd)
550 (let ((accessor (structure-slotd-accessor-symbol slotd
)))
551 `(:name
,(structure-slotd-name slotd
)
552 :defstruct-accessor-symbol
,accessor
553 ,@(when (fboundp accessor
)
554 `(:internal-reader-function
555 ,(structure-slotd-reader-function slotd
)
556 :internal-writer-function
557 ,(structure-slotd-writer-function name slotd
)))
558 :type
,(or (structure-slotd-type slotd
) t
)
559 :initform
,(structure-slotd-init-form slotd
)
560 :initfunction
,(eval-form (structure-slotd-init-form slotd
)))))
561 (slot-initargs-from-condition-slot (slot)
562 `(:name
,(condition-slot-name slot
)
563 :initargs
,(condition-slot-initargs slot
)
564 :readers
,(condition-slot-readers slot
)
565 :writers
,(condition-slot-writers slot
)
566 ,@(when (condition-slot-initform-p slot
)
567 (let ((form-or-fun (condition-slot-initform slot
)))
568 (if (functionp form-or-fun
)
569 `(:initfunction
,form-or-fun
)
570 `(:initform
,form-or-fun
571 :initfunction
,(lambda () form-or-fun
)))))
572 :allocation
,(condition-slot-allocation slot
)
573 :documentation
,(condition-slot-documentation slot
))))
574 (cond ((structure-type-p name
)
575 (ensure 'structure-class
576 (mapcar #'slot-initargs-from-structure-slotd
577 (structure-type-slot-description-list name
))))
578 ((condition-type-p name
)
579 (ensure 'condition-class
580 (mapcar #'slot-initargs-from-condition-slot
581 (condition-classoid-slots (find-classoid name
)))))
583 (error "~@<~S is not the name of a class.~@:>" name
)))))
585 (defun ensure-deffoo-class (classoid)
586 (let ((class (classoid-pcl-class classoid
)))
588 (ensure-non-standard-class (class-name class
) class
))
589 ((eq 'complete
*boot-state
*)
590 (ensure-non-standard-class (classoid-name classoid
))))))
592 (pushnew 'ensure-deffoo-class sb-kernel
::*defstruct-hooks
*)
593 (pushnew 'ensure-deffoo-class sb-kernel
::*define-condition-hooks
*)
595 ;;; FIXME: only needed during bootstrap
596 (defun make-class-predicate (class name
)
597 (let* ((gf (ensure-generic-function name
:lambda-list
'(object)))
598 (mlist (if (eq *boot-state
* 'complete
)
599 (generic-function-methods gf
)
600 (early-gf-methods gf
))))
602 (unless (eq class
*the-class-t
*)
603 (let* ((default-method-function #'constantly-nil
)
604 (default-method-initargs (list :function default-method-function
605 'plist
'(:constant-value nil
)))
606 (default-method (make-a-method
611 default-method-initargs
612 "class predicate default method")))
613 (add-method gf default-method
)))
614 (let* ((class-method-function #'constantly-t
)
615 (class-method-initargs (list :function class-method-function
616 'plist
'(:constant-value t
)))
617 (class-method (make-a-method 'standard-method
621 class-method-initargs
622 "class predicate class method")))
623 (add-method gf class-method
)))
626 ;;; Set the inherits from CPL, and register the layout. This actually
627 ;;; installs the class in the Lisp type system.
628 (defun update-lisp-class-layout (class layout
)
629 (let ((classoid (layout-classoid layout
))
630 (olayout (class-wrapper class
)))
631 (unless (eq (classoid-layout classoid
) layout
)
632 (setf (layout-inherits layout
)
633 (order-layout-inherits
634 (map 'simple-vector
#'class-wrapper
635 (reverse (rest (class-precedence-list class
))))))
636 (register-layout layout
:invalidate t
)
638 ;; FIXME: I don't think this should be necessary, but without it
639 ;; we are unable to compile (TYPEP foo '<class-name>) in the
640 ;; same file as the class is defined. If we had environments,
641 ;; then I think the classsoid whould only be associated with the
642 ;; name in that environment... Alternatively, fix the compiler
643 ;; so that TYPEP foo '<class-name> is slow but compileable.
644 (let ((name (class-name class
)))
645 (when (and name
(symbolp name
) (eq name
(classoid-name classoid
)))
646 (setf (find-classoid name
) classoid
))))))
648 (defun set-class-type-translation (class classoid
)
649 (when (not (typep classoid
'classoid
))
650 (setq classoid
(find-classoid classoid nil
)))
654 (let ((translation (built-in-classoid-translation classoid
)))
657 (aver (ctype-p translation
))
658 (setf (info :type
:translator class
)
659 (lambda (spec) (declare (ignore spec
)) translation
)))
661 (setf (info :type
:translator class
)
662 (lambda (spec) (declare (ignore spec
)) classoid
))))))
664 (setf (info :type
:translator class
)
665 (lambda (spec) (declare (ignore spec
)) classoid
)))))
667 (clrhash *find-class
*)
668 (!bootstrap-meta-braid
)
669 (!bootstrap-accessor-definitions t
)
670 (!bootstrap-class-predicates t
)
671 (!bootstrap-accessor-definitions nil
)
672 (!bootstrap-class-predicates nil
)
673 (!bootstrap-built-in-classes
)
675 (dohash (name x
*find-class
*)
676 (let* ((class (find-class-from-cell name x
))
677 (layout (class-wrapper class
))
678 (lclass (layout-classoid layout
))
679 (lclass-pcl-class (classoid-pcl-class lclass
))
680 (olclass (find-classoid name nil
)))
682 (aver (eq class lclass-pcl-class
))
683 (setf (classoid-pcl-class lclass
) class
))
685 (update-lisp-class-layout class layout
)
688 (aver (eq lclass olclass
)))
690 (setf (find-classoid name
) lclass
)))
692 (set-class-type-translation class name
)))
694 (setq *boot-state
* 'braid
)
696 (defmethod no-applicable-method (generic-function &rest args
)
697 (error "~@<There is no applicable method for the generic function ~2I~_~S~
698 ~I~_when called with arguments ~2I~_~S.~:>"
702 (defmethod no-next-method ((generic-function standard-generic-function
)
703 (method standard-method
) &rest args
)
704 (error "~@<There is no next method for the generic function ~2I~_~S~
705 ~I~_when called from method ~2I~_~S~I~_with arguments ~2I~_~S.~:>"
710 ;;; An extension to the ANSI standard: in the presence of e.g. a
711 ;;; :BEFORE method, it would seem that going through
712 ;;; NO-APPLICABLE-METHOD is prohibited, as in fact there is an
713 ;;; applicable method. -- CSR, 2002-11-15
714 (defmethod no-primary-method (generic-function &rest args
)
715 (error "~@<There is no primary method for the generic function ~2I~_~S~
716 ~I~_when called with arguments ~2I~_~S.~:>"
720 (defmethod invalid-qualifiers ((gf generic-function
)
723 (let ((qualifiers (method-qualifiers method
)))
725 ((cdr qualifiers
) "has too many qualifiers")
726 (t (aver (not (member (car qualifiers
)
727 '(:around
:before
:after
))))
728 "has an invalid qualifier"))))
729 (invalid-method-error
731 "The method ~S on ~S ~A.~%~
732 Standard method combination requires all methods to have one~%~
733 of the single qualifiers :AROUND, :BEFORE and :AFTER or to~%~
734 have no qualifier at all."