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-funcallable-instance-slots (wrapper &optional
56 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 (defun allocate-funcallable-instance (wrapper &optional
65 (slots-init nil slots-init-p))
66 (let ((fin (%make-pcl-funcallable-instance nil nil
67 (get-instance-hash-code))))
68 (set-funcallable-instance-function
70 #'(instance-lambda (&rest args)
71 (declare (ignore args))
72 (error "The function of the funcallable-instance ~S has not been set."
74 (setf (fsc-instance-wrapper fin) wrapper
75 (fsc-instance-slots fin) (allocate-funcallable-instance-slots
76 wrapper slots-init-p slots-init))
79 (defun allocate-structure-instance (wrapper &optional
80 (slots-init nil slots-init-p))
81 (let* ((class (wrapper-class wrapper))
82 (constructor (class-defstruct-constructor class)))
84 (let ((instance (funcall constructor))
85 (slots (class-slots class)))
88 (setf (slot-value-using-class class instance slot)
91 (error "can't allocate an instance of class ~S" (class-name class)))))
93 ;;;; BOOTSTRAP-META-BRAID
95 ;;;; This function builds the base metabraid from the early class definitions.
97 (defmacro !initial-classes-and-wrappers (&rest classes)
99 ,@(mapcar (lambda (class)
100 (let ((wr (intern (format nil "~A-WRAPPER" class)
102 `(setf ,wr ,(if (eq class 'standard-generic-function)
105 (early-class-size ',class)
107 ,class (allocate-standard-instance
108 ,(if (eq class 'standard-generic-function)
109 'funcallable-standard-class-wrapper
110 'standard-class-wrapper))
111 (wrapper-class ,wr) ,class
112 (find-class ',class) ,class)))
115 (defun !bootstrap-meta-braid ()
116 (let* ((*create-classes-from-internal-structure-definitions-p* nil)
117 std-class-wrapper std-class
118 standard-class-wrapper standard-class
119 funcallable-standard-class-wrapper funcallable-standard-class
120 slot-class-wrapper slot-class
121 built-in-class-wrapper built-in-class
122 structure-class-wrapper structure-class
123 condition-class-wrapper condition-class
124 standard-direct-slot-definition-wrapper
125 standard-direct-slot-definition
126 standard-effective-slot-definition-wrapper
127 standard-effective-slot-definition
128 class-eq-specializer-wrapper class-eq-specializer
129 standard-generic-function-wrapper standard-generic-function)
130 (!initial-classes-and-wrappers
131 standard-class funcallable-standard-class
132 slot-class built-in-class structure-class condition-class std-class
133 standard-direct-slot-definition standard-effective-slot-definition
134 class-eq-specializer standard-generic-function)
135 ;; First, make a class metaobject for each of the early classes. For
136 ;; each metaobject we also set its wrapper. Except for the class T,
137 ;; the wrapper is always that of STANDARD-CLASS.
138 (dolist (definition *early-class-definitions*)
139 (let* ((name (ecd-class-name definition))
140 (meta (ecd-metaclass definition))
142 (slot-class slot-class-wrapper)
143 (std-class std-class-wrapper)
144 (standard-class standard-class-wrapper)
145 (funcallable-standard-class
146 funcallable-standard-class-wrapper)
147 (built-in-class built-in-class-wrapper)
148 (structure-class structure-class-wrapper)
149 (condition-class condition-class-wrapper)))
150 (class (or (find-class name nil)
151 (allocate-standard-instance wrapper))))
152 (setf (find-class name) class)))
153 (dolist (definition *early-class-definitions*)
154 (let ((name (ecd-class-name definition))
155 (meta (ecd-metaclass definition))
156 (source (ecd-source definition))
157 (direct-supers (ecd-superclass-names definition))
158 (direct-slots (ecd-canonical-slots definition))
159 (other-initargs (ecd-other-initargs definition)))
160 (let ((direct-default-initargs
161 (getf other-initargs :direct-default-initargs)))
162 (multiple-value-bind (slots cpl default-initargs direct-subclasses)
163 (early-collect-inheritance name)
164 (let* ((class (find-class name))
165 (wrapper (cond ((eq class slot-class)
167 ((eq class std-class)
169 ((eq class standard-class)
170 standard-class-wrapper)
171 ((eq class funcallable-standard-class)
172 funcallable-standard-class-wrapper)
173 ((eq class standard-direct-slot-definition)
174 standard-direct-slot-definition-wrapper)
176 standard-effective-slot-definition)
177 standard-effective-slot-definition-wrapper)
178 ((eq class built-in-class)
179 built-in-class-wrapper)
180 ((eq class structure-class)
181 structure-class-wrapper)
182 ((eq class condition-class)
183 condition-class-wrapper)
184 ((eq class class-eq-specializer)
185 class-eq-specializer-wrapper)
186 ((eq class standard-generic-function)
187 standard-generic-function-wrapper)
189 (boot-make-wrapper (length slots) name))))
191 (when (eq name t) (setq *the-wrapper-of-t* wrapper))
192 (set (intern (format nil "*THE-CLASS-~A*" (symbol-name name))
196 (unless (eq (getf slot :allocation :instance) :instance)
197 (error "Slot allocation ~S is not supported in bootstrap.")))
199 (when (typep wrapper 'wrapper)
200 (setf (wrapper-instance-slots-layout wrapper)
201 (mapcar #'canonical-slot-name slots))
202 (setf (wrapper-class-slots wrapper)
205 (setq proto (if (eq meta 'funcallable-standard-class)
206 (allocate-funcallable-instance wrapper)
207 (allocate-standard-instance wrapper)))
210 (!bootstrap-make-slot-definitions
211 name class direct-slots
212 standard-direct-slot-definition-wrapper nil))
214 (!bootstrap-make-slot-definitions
216 standard-effective-slot-definition-wrapper t))
219 ((std-class standard-class funcallable-standard-class)
220 (!bootstrap-initialize-class
222 class name class-eq-specializer-wrapper source
223 direct-supers direct-subclasses cpl wrapper proto
224 direct-slots slots direct-default-initargs default-initargs))
225 (built-in-class ; *the-class-t*
226 (!bootstrap-initialize-class
228 class name class-eq-specializer-wrapper source
229 direct-supers direct-subclasses cpl wrapper proto))
230 (slot-class ; *the-class-slot-object*
231 (!bootstrap-initialize-class
233 class name class-eq-specializer-wrapper source
234 direct-supers direct-subclasses cpl wrapper proto))
235 (structure-class ; *the-class-structure-object*
236 (!bootstrap-initialize-class
238 class name class-eq-specializer-wrapper source
239 direct-supers direct-subclasses cpl wrapper))
241 (!bootstrap-initialize-class
243 class name class-eq-specializer-wrapper source
244 direct-supers direct-subclasses cpl wrapper))))))))
246 (let* ((smc-class (find-class 'standard-method-combination))
247 (smc-wrapper (!bootstrap-get-slot 'standard-class
250 (smc (allocate-standard-instance smc-wrapper)))
251 (flet ((set-slot (name value)
252 (!bootstrap-set-slot 'standard-method-combination
256 (set-slot 'source *load-pathname*)
257 (set-slot 'type 'standard)
258 (set-slot 'documentation "The standard method combination.")
259 (set-slot 'options ()))
260 (setq *standard-method-combination* smc))))
262 ;;; Initialize a class metaobject.
263 (defun !bootstrap-initialize-class
264 (metaclass-name class name
265 class-eq-wrapper source direct-supers direct-subclasses cpl wrapper
268 direct-slots slots direct-default-initargs default-initargs)
269 (flet ((classes (names) (mapcar #'find-class names))
270 (set-slot (slot-name value)
271 (!bootstrap-set-slot metaclass-name class slot-name value)))
272 (set-slot 'name name)
273 (set-slot 'finalized-p t)
274 (set-slot 'source source)
275 (set-slot 'type (if (eq class (find-class t))
277 ;; FIXME: Could this just be CLASS instead
278 ;; of `(CLASS ,CLASS)? If not, why not?
279 ;; (See also similar expression in
280 ;; SHARED-INITIALIZE :BEFORE (CLASS).)
282 (set-slot 'class-eq-specializer
283 (let ((spec (allocate-standard-instance class-eq-wrapper)))
284 (!bootstrap-set-slot 'class-eq-specializer spec 'type
286 (!bootstrap-set-slot 'class-eq-specializer spec 'object
289 (set-slot 'class-precedence-list (classes cpl))
290 (set-slot 'can-precede-list (classes (cdr cpl)))
291 (set-slot 'incompatible-superclass-list nil)
292 (set-slot 'direct-superclasses (classes direct-supers))
293 (set-slot 'direct-subclasses (classes direct-subclasses))
294 (set-slot 'direct-methods (cons nil nil))
295 (set-slot 'wrapper wrapper)
296 (set-slot 'predicate-name (or (cadr (assoc name *early-class-predicates*))
297 (make-class-predicate-name name)))
299 `(,@(and direct-default-initargs
300 `(direct-default-initargs ,direct-default-initargs))
301 ,@(and default-initargs
302 `(default-initargs ,default-initargs))))
303 (when (memq metaclass-name '(standard-class funcallable-standard-class
304 structure-class condition-class
305 slot-class std-class))
306 (set-slot 'direct-slots direct-slots)
307 (set-slot 'slots slots)
308 (set-slot 'initialize-info nil))
310 ;; For all direct superclasses SUPER of CLASS, make sure CLASS is
311 ;; a direct subclass of SUPER. Note that METACLASS-NAME doesn't
312 ;; matter here for the slot DIRECT-SUBCLASSES, since every class
313 ;; inherits the slot from class CLASS.
314 (dolist (super direct-supers)
315 (let* ((super (find-class super))
316 (subclasses (!bootstrap-get-slot metaclass-name super
317 'direct-subclasses)))
318 (cond ((eq +slot-unbound+ subclasses)
319 (!bootstrap-set-slot metaclass-name super 'direct-subclasses
321 ((not (memq class subclasses))
322 (!bootstrap-set-slot metaclass-name super 'direct-subclasses
323 (cons class subclasses))))))
327 (let ((constructor-sym '|STRUCTURE-OBJECT class constructor|))
328 (set-slot 'predicate-name (or (cadr (assoc name
329 *early-class-predicates*))
330 (make-class-predicate-name name)))
331 (set-slot 'defstruct-form
332 `(defstruct (structure-object (:constructor
335 (set-slot 'defstruct-constructor constructor-sym)
336 (set-slot 'from-defclass-p t)
337 (set-slot 'plist nil)
338 (set-slot 'prototype (funcall constructor-sym))))
340 (set-slot 'prototype (make-condition name)))
343 (if proto-p proto (allocate-standard-instance wrapper)))))
346 (defun !bootstrap-make-slot-definitions (name class slots wrapper effective-p)
348 (mapcar (lambda (slot)
350 (!bootstrap-make-slot-definition
351 name class slot wrapper effective-p index))
354 (defun !bootstrap-make-slot-definition
355 (name class slot wrapper effective-p index)
356 (let* ((slotd-class-name (if effective-p
357 'standard-effective-slot-definition
358 'standard-direct-slot-definition))
359 (slotd (allocate-standard-instance wrapper))
360 (slot-name (getf slot :name)))
361 (flet ((get-val (name) (getf slot name))
363 (!bootstrap-set-slot slotd-class-name slotd name val)))
364 (set-val 'name slot-name)
365 (set-val 'initform (get-val :initform))
366 (set-val 'initfunction (get-val :initfunction))
367 (set-val 'initargs (get-val :initargs))
368 (set-val 'readers (get-val :readers))
369 (set-val 'writers (get-val :writers))
370 (set-val 'allocation :instance)
371 (set-val 'type (or (get-val :type) t))
372 (set-val 'documentation (or (get-val :documentation) ""))
373 (set-val 'class class)
375 (set-val 'location index)
377 (set-val 'reader-function (make-optimized-std-reader-method-function
378 fsc-p slot-name index))
379 (set-val 'writer-function (make-optimized-std-writer-method-function
380 fsc-p slot-name index))
381 (set-val 'boundp-function (make-optimized-std-boundp-method-function
382 fsc-p slot-name index)))
383 (set-val 'accessor-flags 7)
384 (let ((table (or (gethash slot-name *name->class->slotd-table*)
385 (setf (gethash slot-name *name->class->slotd-table*)
386 (make-hash-table :test 'eq :size 5)))))
387 (setf (gethash class table) slotd)))
388 (when (and (eq name 'standard-class)
389 (eq slot-name 'slots) effective-p)
390 (setq *the-eslotd-standard-class-slots* slotd))
391 (when (and (eq name 'funcallable-standard-class)
392 (eq slot-name 'slots) effective-p)
393 (setq *the-eslotd-funcallable-standard-class-slots* slotd))
396 (defun !bootstrap-accessor-definitions (early-p)
397 (let ((*early-p* early-p))
398 (dolist (definition *early-class-definitions*)
399 (let ((name (ecd-class-name definition))
400 (meta (ecd-metaclass definition)))
401 (unless (eq meta 'built-in-class)
402 (let ((direct-slots (ecd-canonical-slots definition)))
403 (dolist (slotd direct-slots)
404 (let ((slot-name (getf slotd :name))
405 (readers (getf slotd :readers))
406 (writers (getf slotd :writers)))
407 (!bootstrap-accessor-definitions1
413 (!bootstrap-accessor-definitions1
416 (list (slot-reader-name slot-name))
417 (list (slot-writer-name slot-name))
418 (list (slot-boundp-name slot-name)))))))))))
420 (defun !bootstrap-accessor-definition (class-name accessor-name slot-name type)
421 (multiple-value-bind (accessor-class make-method-function arglist specls doc)
423 (reader (values 'standard-reader-method
424 #'make-std-reader-method-function
427 "automatically generated reader method"))
428 (writer (values 'standard-writer-method
429 #'make-std-writer-method-function
430 (list 'new-value class-name)
432 "automatically generated writer method"))
433 (boundp (values 'standard-boundp-method
434 #'make-std-boundp-method-function
437 "automatically generated boundp method")))
438 (let ((gf (ensure-generic-function accessor-name)))
439 (if (find specls (early-gf-methods gf)
440 :key #'early-method-specializers
442 (unless (assoc accessor-name *!generic-function-fixups*
446 (make-a-method accessor-class
449 (funcall make-method-function
450 class-name slot-name)
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 (defun !bootstrap-class-predicates (early-p)
479 (let ((*early-p* early-p))
480 (dolist (definition *early-class-definitions*)
481 (let* ((name (ecd-class-name definition))
482 (class (find-class name)))
483 (setf (find-class-predicate name)
484 (make-class-predicate class (class-predicate-name class)))))))
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 (dolist (e *built-in-classes*)
526 (let* ((name (car e))
527 (class (find-class name)))
528 (setf (find-class-predicate name)
529 (make-class-predicate class (class-predicate-name class))))))
531 (defmacro wrapper-of-macro (x)
535 (wrapper-class* (wrapper-of-macro x)))
537 ;;; FIXME: We probably don't need both WRAPPER-OF and WRAPPER-OF-MACRO.
538 #-sb-fluid (declaim (inline wrapper-of))
539 (defun wrapper-of (x)
540 (wrapper-of-macro x))
542 (defun eval-form (form)
543 (lambda () (eval form)))
545 (defun ensure-non-standard-class (name &optional existing-class)
547 ((ensure (metaclass &optional (slots nil slotsp))
549 (mapcar #'classoid-name (classoid-direct-superclasses
550 (find-classoid name)))))
552 (ensure-class-using-class existing-class name
553 :metaclass metaclass :name name
554 :direct-superclasses supers
556 (ensure-class-using-class existing-class name
557 :metaclass metaclass :name name
558 :direct-superclasses supers))))
559 (slot-initargs-from-structure-slotd (slotd)
560 (let ((accessor (structure-slotd-accessor-symbol slotd)))
561 `(:name ,(structure-slotd-name slotd)
562 :defstruct-accessor-symbol ,accessor
563 ,@(when (fboundp accessor)
564 `(:internal-reader-function
565 ,(structure-slotd-reader-function slotd)
566 :internal-writer-function
567 ,(structure-slotd-writer-function name slotd)))
568 :type ,(or (structure-slotd-type slotd) t)
569 :initform ,(structure-slotd-init-form slotd)
570 :initfunction ,(eval-form (structure-slotd-init-form slotd)))))
571 (slot-initargs-from-condition-slot (slot)
572 `(:name ,(condition-slot-name slot)
573 :initargs ,(condition-slot-initargs slot)
574 :readers ,(condition-slot-readers slot)
575 :writers ,(condition-slot-writers slot)
576 ,@(when (condition-slot-initform-p slot)
577 (let ((form-or-fun (condition-slot-initform slot)))
578 (if (functionp form-or-fun)
579 `(:initfunction ,form-or-fun)
580 `(:initform ,form-or-fun
581 :initfunction ,(lambda () form-or-fun)))))
582 :allocation (condition-slot-allocation slot)
583 :documentation (condition-slot-documentation slot))))
584 (cond ((structure-type-p name)
585 (ensure 'structure-class
586 (mapcar #'slot-initargs-from-structure-slotd
587 (structure-type-slot-description-list name))))
588 ((condition-type-p name)
589 (ensure 'condition-class
590 (mapcar #'slot-initargs-from-condition-slot
591 (condition-classoid-slots (find-classoid name)))))
593 (error "~@<~S is not the name of a class.~@:>" name)))))
595 (defun maybe-reinitialize-structure-class (classoid)
596 (let ((class (classoid-pcl-class classoid)))
598 (ensure-non-standard-class (class-name class) class))))
600 (pushnew 'maybe-reinitialize-structure-class sb-kernel::*defstruct-hooks*)
602 (defun make-class-predicate (class name)
603 (let* ((gf (ensure-generic-function name))
604 (mlist (if (eq *boot-state* 'complete)
605 (generic-function-methods gf)
606 (early-gf-methods gf))))
608 (unless (eq class *the-class-t*)
609 (let* ((default-method-function #'constantly-nil)
610 (default-method-initargs (list :function
611 default-method-function))
612 (default-method (make-a-method
617 default-method-initargs
618 "class predicate default method")))
619 (setf (method-function-get default-method-function :constant-value)
621 (add-method gf default-method)))
622 (let* ((class-method-function #'constantly-t)
623 (class-method-initargs (list :function
624 class-method-function))
625 (class-method (make-a-method 'standard-method
629 class-method-initargs
630 "class predicate class method")))
631 (setf (method-function-get class-method-function :constant-value) t)
632 (add-method gf class-method)))
635 ;;; Set the inherits from CPL, and register the layout. This actually
636 ;;; installs the class in the Lisp type system.
637 (defun update-lisp-class-layout (class layout)
638 (let ((lclass (layout-classoid layout)))
639 (unless (eq (classoid-layout lclass) layout)
640 (setf (layout-inherits layout)
641 (order-layout-inherits
642 (map 'simple-vector #'class-wrapper
643 (reverse (rest (class-precedence-list class))))))
644 (register-layout layout :invalidate t)
646 ;; Subclasses of formerly forward-referenced-class may be
647 ;; unknown to CL:FIND-CLASS and also anonymous. This
648 ;; functionality moved here from (SETF FIND-CLASS).
649 (let ((name (class-name class)))
650 (setf (find-classoid name) lclass
651 (classoid-name lclass) name)))))
653 (defun set-class-type-translation (class name)
654 (let ((classoid (find-classoid name nil)))
658 (let ((translation (built-in-classoid-translation classoid)))
661 (aver (ctype-p translation))
662 (setf (info :type :translator class)
663 (lambda (spec) (declare (ignore spec)) translation)))
665 (setf (info :type :translator class)
666 (lambda (spec) (declare (ignore spec)) classoid))))))
668 (setf (info :type :translator class)
669 (lambda (spec) (declare (ignore spec)) classoid))))))
671 (clrhash *find-class*)
672 (!bootstrap-meta-braid)
673 (!bootstrap-accessor-definitions t)
674 (!bootstrap-class-predicates t)
675 (!bootstrap-accessor-definitions nil)
676 (!bootstrap-class-predicates nil)
677 (!bootstrap-built-in-classes)
679 (dohash (name x *find-class*)
680 (let* ((class (find-class-from-cell name x))
681 (layout (class-wrapper class))
682 (lclass (layout-classoid layout))
683 (lclass-pcl-class (classoid-pcl-class lclass))
684 (olclass (find-classoid name nil)))
686 (aver (eq class lclass-pcl-class))
687 (setf (classoid-pcl-class lclass) class))
689 (update-lisp-class-layout class layout)
692 (aver (eq lclass olclass)))
694 (setf (find-classoid name) lclass)))
696 (set-class-type-translation class name)))
698 (setq *boot-state* 'braid)
700 (defmethod no-applicable-method (generic-function &rest args)
701 (error "~@<There is no matching method for the generic function ~2I~_~S~
702 ~I~_when called with arguments ~2I~_~S.~:>"
706 (defmethod no-next-method ((generic-function standard-generic-function)
707 (method standard-method) &rest args)
708 (error "~@<There is no next method for the generic function ~2I~_~S~
709 ~I~_when called from method ~2I~_~S~I~_with arguments ~2I~_~S.~:>"
714 ;;; An extension to the ANSI standard: in the presence of e.g. a
715 ;;; :BEFORE method, it would seem that going through
716 ;;; NO-APPLICABLE-METHOD is prohibited, as in fact there is an
717 ;;; applicable method. -- CSR, 2002-11-15
718 (defmethod no-primary-method (generic-function &rest args)
719 (error "~@<There is no primary method for the generic function ~2I~_~S~
720 ~I~_when called with arguments ~2I~_~S.~:>"