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Cleanup C++ to Lisp translation
Annotate for file src/clos.lisp
2009-04-05 tobias 1 (in-package #:smoke)
15:36:29 ' 2
' 3 (declaim (inline lispify))
' 4 (defun lispify (name &optional (package nil))
' 5 "Returns the interned symbol for name in Lisp style."
' 6 (declare (string name)
' 7 (optimize (speed 3)))
' 8 (if (null package)
' 9 (values (intern (cxx-to-lisp name)))
' 10 (values (intern (cxx-to-lisp name) package))))
' 11
' 12 (defmacro define-string-transform (name documentation &body states)
' 13 "Defines a function to transform a string."
' 14 (let ((output (gensym))
' 15 (index (gensym))
' 16 (length (gensym)))
' 17 `(defun ,name (input)
' 18 ,documentation
' 19 (declare (simple-string input)
' 20 (optimize (speed 3)))
2009-07-22 tobias 21 ;; At least on sbcl 1.0.25.debian CONCATENATE is faster than
22:26:05 ' 22 ;; VECTOR-PUSH-EXTEND.
2009-04-05 tobias 23 (let ((,output "")
15:36:29 ' 24 (,index 0)
' 25 (,length (length input))
' 26 (char #\Null))
' 27 (declare (base-char char))
' 28 (macrolet ((next-char ()
' 29 `(if (>= ,',index ,',length)
' 30 (return-from transform ,',output)
' 31 (progn
' 32 (setf char (aref input ,',index))
' 33 (incf ,',index))))
' 34 (go-next (tag)
' 35 `(progn (next-char)
' 36 (go ,tag)))
' 37 (append-char (char)
' 38 `(setf ,',output (concatenate 'string
' 39 ,',output
' 40 (string ,char)))))
' 41 (block transform
' 42 (tagbody
' 43 (next-char) ;; Get first char
' 44 ,@(reduce #'append
' 45 (mapcar #'(lambda (state)
' 46 (if (stringp (second state))
' 47 `(,(first state) . ,(cddr state))
' 48 state))
' 49 states)))))))))
' 50
' 51
' 52 (define-string-transform lisp-to-cxx
' 53 "Converts LISP-STYLE to camelCase.
2009-07-01 tobias 54 Note that (LISP-TO-CXX (CXX-TO-LIST SOME-STRING)) will not necessarily return
10:54:01 ' 55 a string equal to SOME-STRING."
2009-04-05 tobias 56 (default
2009-07-01 tobias 57 "Down case, convert _ and dispatch."
2009-04-05 tobias 58 (case char
15:36:29 ' 59 (#\- (go-next camel-upcase))
' 60 (#\. (go-next namespace))
' 61 (t (append-char (char-downcase char))
' 62 (go-next default))))
' 63 (camel-upcase
' 64 "Convert camelCase to lisp-style."
' 65 (append-char char)
' 66 (go-next default))
' 67 (namespace
' 68 "Convert . to ::"
' 69 (append-char #\:)
' 70 (append-char #\:)
' 71 (go default)))
' 72
' 73 (define-string-transform cxx-to-lisp
2009-04-17 tobias 74 "Returns camelCase STRING in lisp-style."
2009-04-05 tobias 75 (begin
2009-07-01 tobias 76 "Strip leading Q or K."
2009-04-05 tobias 77 (case char
15:36:29 ' 78 (#\K (go-next default))
' 79 (#\Q (go-next default))
' 80 (t (go default))))
' 81 (default
2009-07-01 tobias 82 "Up case, convert _ and dispatch."
2009-04-05 tobias 83 (case char
15:36:29 ' 84 (#\: (go-next namespace))
' 85 (#\_ (append-char #\-)
' 86 (go-next default))
2009-04-17 tobias 87 (#\ (append-char #\-) ;; space (cast operators)
15:26:55 ' 88 (go-next default))
2009-04-05 tobias 89 (t (append-char (char-upcase char))
15:36:29 ' 90 (if (lower-case-p char)
' 91 (go-next camel-case)
' 92 (go-next default)))))
' 93 (namespace
2009-06-22 tobias 94 "C++ namespace separator"
2009-04-05 tobias 95 (assert (eql #\: char))
15:36:29 ' 96 (append-char #\.)
' 97 (go-next default))
' 98 (camel-case
' 99 "Convert camelCase to lisp-style."
' 100 (if (upper-case-p char)
' 101 (progn
' 102 (append-char #\-)
' 103 (append-char char)
' 104 (go-next default))
' 105 (go default))))
' 106
' 107
' 108 (defmethod print-object ((object smoke-standard-object) stream)
2009-05-27 tobias 109 (if (slot-boundp object 'pointer)
17:22:08 ' 110 (print-unreadable-object (object stream :type t)
' 111 (princ (pointer object) stream))
' 112 (call-next-method)))
2009-04-05 tobias 113
15:36:29 ' 114 (defclass smoke-standard-class (standard-class smoke-class)
2009-05-24 tobias 115 ()
2009-04-05 tobias 116 (:documentation "A Smoke C++ class"))
15:36:29 ' 117
2009-05-31 tobias 118 (defclass cxx:class (smoke-standard-class)
2009-07-08 tobias 119 ()
2009-05-31 tobias 120 (:documentation "Metaclass to extend Smoke Objects."))
2009-05-14 tobias 121
2009-08-02 tobias 122 (defmethod closer-mop:validate-superclass ((class smoke-standard-class)
10:12:41 ' 123 (superclass standard-class))
2009-07-22 tobias 124 t)
2009-04-05 tobias 125
2009-08-02 tobias 126 (defmethod closer-mop:validate-superclass ((class cxx:class)
10:12:41 ' 127 (superclass smoke-standard-class))
2009-07-22 tobias 128 t)
2009-04-05 tobias 129
2009-08-02 tobias 130 ;; Sets NIL superclass to SMOKE-STANDARD-OBJECT instead of the default
10:12:41 ' 131 ;; STANDARD-OBJECT.
' 132 (defun init-smoke-standard-class (class next-method
' 133 &rest args &key direct-superclasses
' 134 &allow-other-keys)
' 135 (apply next-method class
' 136 :direct-superclasses (or direct-superclasses
' 137 (list (find-class 'smoke-standard-object)))
' 138 args))
2009-04-05 tobias 139
2009-08-02 tobias 140 (defmethod initialize-instance :around ((class smoke-standard-class) &rest args)
10:12:41 ' 141 (apply #'init-smoke-standard-class class #'call-next-method args))
' 142
' 143 (defmethod reinitialize-instance :around ((class smoke-standard-class) &rest args)
' 144 (apply #'init-smoke-standard-class class #'call-next-method args))
2009-04-05 tobias 145
15:36:29 ' 146
2009-08-02 tobias 147 (defun init-cxx-class (class next-method &rest args &key direct-superclasses
10:12:41 ' 148 &allow-other-keys)
2009-04-05 tobias 149 (assert (not (null direct-superclasses))
15:36:29 ' 150 (direct-superclasses)
2009-08-30 tobias 151 "No superclass sup-lied for class ~A" class)
14:12:44 ' 152 (let ((superclass (first direct-superclasses)))
' 153 (assert (subtypep (class-of superclass) (find-class 'smoke-standard-class))
2009-04-05 tobias 154 ((first direct-superclasses))
2009-08-30 tobias 155 "The first superclass must be an subclass of an smoke class.")
2009-06-10 tobias 156 (assert (virtual-destructor-p superclass)
11:55:55 ' 157 ()
2009-08-30 tobias 158 "The class ~A has a non virtual destructor." superclass)
2009-04-05 tobias 159 (apply
2009-08-02 tobias 160 next-method class
2009-07-08 tobias 161 :id (id superclass)
2009-06-22 tobias 162 :smoke (smoke superclass)
2009-04-05 tobias 163 :direct-superclasses direct-superclasses
15:36:29 ' 164 args)))
' 165
2009-08-02 tobias 166 (defmethod reinitialize-instance :around ((class cxx:class) &rest args)
10:12:41 ' 167 (apply #'init-cxx-class class #'call-next-method args))
' 168
' 169 (defmethod initialize-instance :around ((class cxx:class) &rest args)
' 170 (apply #'init-cxx-class class #'call-next-method args))
' 171
2010-01-26 tobias 172 (defun smoke-class-symbol (smoke-class)
16:26:09 ' 173 "Returns the Lisp class-name of SMOKE-CLASS:"
' 174 (if (external-p smoke-class)
' 175 (class-name (find-smoke-class smoke-class))
' 176 (lispify (name smoke-class))))
2009-04-05 tobias 177
2009-08-30 tobias 178
2009-06-11 tobias 179 (defun make-smoke-classes (package smoke)
2009-07-01 tobias 180 "Constructs a lisp class in PACKAGE for each one in the Smoke module SMOKE."
2009-06-22 tobias 181 (declare (optimize (speed 3)))
2010-01-10 tobias 182 (let ((*package* (find-package package)))
2009-06-22 tobias 183 (add-id-class-map smoke)
2009-04-05 tobias 184 (map-classes
15:36:29 ' 185 #'(lambda (class)
2009-08-27 tobias 186 (unless (external-p class)
11:43:13 ' 187 (add-id class
' 188 (closer-mop:ensure-class (lispify (name class))
' 189 :direct-superclasses
' 190 (mapcar #'smoke-class-symbol
' 191 (smoke-class-direct-superclasses class))
' 192 :id (id class)
' 193 :smoke (smoke class)
' 194 :metaclass 'smoke-standard-class))
' 195 (export (lispify (name class)))))
2009-06-11 tobias 196 smoke)))
2009-04-05 tobias 197
2009-04-12 tobias 198 (defclass smoke-gf (cxx-generic-function)
14:43:33 ' 199 ((cxx-name :reader name :initarg :cxx-name
2009-05-11 tobias 200 :type string
11:07:39 ' 201 :documentation "The C++ name of the method."))
2009-04-05 tobias 202 (:metaclass closer-mop:funcallable-standard-class)
2009-05-11 tobias 203 (:documentation "Smoke generic function."))
2009-04-05 tobias 204
2009-06-22 tobias 205 (declaim (inline smoke-class-of))
2009-04-05 tobias 206 (defun smoke-class-of (object)
2009-07-01 tobias 207 "Returns the class of OBJECT or OBJECT iff it already is a class."
2009-06-22 tobias 208 (declare (optimize (speed 3)))
12:18:08 ' 209 (if (typep object 'smoke-class)
2009-04-05 tobias 210 object
15:36:29 ' 211 (class-of object)))
' 212
2009-04-12 tobias 213 ;;; To speed up the startup
2009-04-05 tobias 214 ;;; ENSURE-METHOD is only called as needed.
15:36:29 ' 215 (defmethod no-applicable-method ((gf smoke-gf) &rest args)
' 216 "Calls the smoke method."
2009-06-22 tobias 217 (declare (dynamic-extent args)
12:18:08 ' 218 (optimize (speed 3)))
2009-04-17 tobias 219 (call-using-args (first args) (name gf) (rest args)))
2009-04-05 tobias 220
2009-04-12 tobias 221 (defmethod add-method :after ((gf cxx-method-generic-function) method)
2009-04-05 tobias 222 "Adds a method which calls the smoke method, to make call-next-method work."
15:36:29 ' 223 (when (null (rest (closer-mop:generic-function-methods gf)))
2009-04-12 tobias 224 (let ((lambda-list (closer-mop:method-lambda-list method)))
14:43:33 ' 225 (closer-mop:ensure-method
' 226 gf
' 227 `(lambda ,lambda-list
' 228 (declare (optimize (speed 3)))
2009-05-11 tobias 229 (call-using-args ,(first lambda-list)
17:55:42 ' 230 (name ,(cxx-generic-function gf))
2009-05-11 tobias 231 (list ,@(rest lambda-list))))))))
2009-04-05 tobias 232
15:36:29 ' 233 (defcallback destructed :void
2009-07-22 tobias 234 ((object-pointer :pointer))
2009-06-22 tobias 235 (declare (optimize (speed 3)))
2009-04-05 tobias 236 (let ((object (get-object object-pointer)))
2009-08-02 tobias 237 ;; The destructed callback can be the result of deleting the object
10:12:41 ' 238 ;; in a finalizer. In that case the object is already removed from
' 239 ;; *object-map* when the callback is invoked. Thus OBJECT can be NIL.
2009-04-05 tobias 240 (when object
2009-06-30 tobias 241 (remove-finalizer object)
2009-04-05 tobias 242 (remove-object object-pointer)
15:36:29 ' 243 (setf (slot-value object 'pointer) (null-pointer)))))
' 244
2009-06-22 tobias 245 (declaim (inline argument-to-lisp))
12:18:08 ' 246 (defun argument-to-lisp (stack-item type)
' 247 ;; FIXME do not take ownership of stack allocated objects.
2009-08-02 tobias 248 ;; It looks like there is no stack allocation in Qt virtual method signatures.
2009-06-22 tobias 249 (type-to-lisp stack-item type))
12:18:08 ' 250
2009-04-05 tobias 251 (defun stack-to-args (stack arg &optional (args nil))
15:36:29 ' 252 "Returns the arguments in STACK, where ARG is the type
' 253 of the first argument, as an list of Lisp objects."
' 254 (if (end-p arg)
2009-06-22 tobias 255 (reverse args)
12:18:08 ' 256 (stack-to-args (inc-pointer stack
' 257 (foreign-type-size 'smoke-stack-item))
2009-04-05 tobias 258 (next arg)
2009-08-02 tobias 259 (push (argument-to-lisp (mem-ref stack 'smoke-stack-item)
2009-07-22 tobias 260 arg)
2009-06-22 tobias 261 args))))
2009-04-05 tobias 262
2009-09-02 tobias 263 (defun convert-argument (argument type &optional (user t))
11:49:34 ' 264 "Returns ARGUMENT converted to TYPE. If USER is true, user defined
' 265 conversion sequences are considered."
' 266 (let ((rank (get-conversion-sequence argument type user)))
' 267 (if (null rank)
' 268 (error "Can not convert the argument ~S to ~A."
' 269 argument (name type))
' 270 (funcall (conversion-function-name rank)
' 271 argument))))
2009-04-05 tobias 272
2009-06-08 tobias 273 (defun put-returnvalue (stack value type object)
2009-04-05 tobias 274 (unless (void-p type)
2009-05-26 tobias 275 (let ((stack (make-call-stack stack)))
2009-07-08 tobias 276 (setf (call-stack-top stack) (call-stack-pointer stack))
2009-09-02 tobias 277 ;; FIXME support user conversions.
11:49:34 ' 278 ;;
' 279 ;; We need to determine which of value and converted-value is
' 280 ;; passed on the stack. E.g. converted-value can be something
' 281 ;; like (cxx:operator-variant value).
' 282 (let ((converted-value (convert-argument value type nil)))
' 283 (push-smoke-stack stack converted-value (type-id type))
' 284 (when (stack-p type) ;; Pass by value => smoke deletes the object.
' 285 (remove-finalizer converted-value)
' 286 (when (typep value 'smoke-standard-object)
2009-08-02 tobias 287 (remove-object (pointer value))))))))
10:12:41 ' 288 ; (transfer-ownership-to value object)))))))
2009-04-05 tobias 289
2009-05-19 tobias 290 (defun get-gf-for-method (smoke-method)
11:09:12 ' 291 (declare (smoke-method smoke-method)
' 292 (optimize (speed 3)))
' 293 (symbol-function (lispify (name smoke-method) "CXX")))
2009-05-19 tobias 294
2009-08-02 tobias 295 ;; Receive virutal function calls.
2009-04-05 tobias 296 (defcallback dispatch-method :boolean
2010-02-19 tobias 297 ((binding :pointer)
21:10:24 ' 298 (method smoke-index)
2009-06-30 tobias 299 (object-ptr :pointer)
22:47:39 ' 300 (stack smoke-stack)
' 301 (abstract :boolean))
2009-04-05 tobias 302 (declare (optimize (speed 3)))
2009-06-30 tobias 303 (let ((object (get-object object-ptr)))
2009-08-02 tobias 304 ;; The Lisp OBJECT can be gc'ed but we might still receive a
10:12:41 ' 305 ;; QObject destructed event when the C++ instance is deleted in
' 306 ;; the finalizer. Thus OBJECT might be NIL.
' 307 (when (and object (typep (class-of object) 'cxx:class))
' 308 ;; Do not allow overwriting methods of classes the users has
' 309 ;; not derived from (like in C++), to reduce overhead.
' 310 (let* ((method (make-smoke-method
' 311 :smoke (gethash (pointer-address
' 312 (smoke-get-smoke binding))
' 313 *smoke-modules*)
' 314 :id method)))
' 315 (loop
' 316 (restart-case
' 317 (return-from dispatch-method
' 318 (let ((gf (get-gf-for-method method)))
' 319 (declare (function gf))
' 320 (if (null (gf-methods gf))
' 321 (progn
' 322 (when abstract
' 323 (error "Abstract method ~A of ~A called."
' 324 (method-declaration method) object))
' 325 nil)
' 326 (if object
' 327 (progn
' 328 (put-returnvalue
' 329 stack
' 330 (apply gf object
' 331 (stack-to-args
' 332 (inc-pointer stack (foreign-type-size
' 333 'smoke-stack-item))
' 334 (get-first-argument method)))
' 335 (return-type method) object)
' 336 t)
' 337 nil))))
' 338 ;; Restarts to prevent stack unwinding across the C++ stack.
' 339 (call-default ()
' 340 :report (lambda (stream)
' 341 (declare (stream stream))
' 342 (format stream
' 343 "Call default implementation ~A instead."
' 344 method))
' 345 :test (lambda (condition)
' 346 (declare (ignore condition))
' 347 (not abstract))
' 348 (return-from dispatch-method nil))
' 349 (use-returnvalue (return-value)
' 350 :report (lambda (stream)
' 351 (declare (stream stream))
' 352 (format stream "Supply a return value for ~A."
' 353 (method-declaration method)))
' 354 :test (lambda (condition)
' 355 (declare (ignore condition))
' 356 (not (void-p (return-type method))))
' 357 :interactive (lambda ()
' 358 (format *query-io* "~&Enter a new return value: ")
' 359 (multiple-value-list (eval (read *query-io*))))
' 360 (put-returnvalue stack return-value
' 361 (return-type method)
' 362 (get-object object-ptr))
' 363 (return-from dispatch-method t))
' 364 (return ()
' 365 :report (lambda (stream)
' 366 (declare (stream stream))
' 367 (format stream "Return void for ~A."
' 368 (method-declaration method)))
' 369 :test (lambda (condition)
' 370 (declare (ignore condition))
' 371 (void-p (return-type method)))
' 372 (return-from dispatch-method (values)))
' 373 (retry ()
' 374 :report (lambda (stream)
' 375 (declare (stream stream))
' 376 (format stream "Try again calling ~A."
' 377 (method-declaration method))))))
' 378 nil))))
2009-04-05 tobias 379
15:36:29 ' 380 ;;FIXME use CHANGE-CLASS instead?
2009-08-30 tobias 381 (defun cast (object class)
14:12:44 ' 382 "Returns a pointer of type CLASS to the C++ object of OBJECT."
2009-07-08 tobias 383 (declare (optimize (speed 3)))
2009-08-30 tobias 384 (assert (derived-p (class-of object) class)
14:12:44 ' 385 ()
' 386 "Can not cast object ~A of class ~A to class ~A."
' 387 object (name (class-of object)) (name class))
' 388 (smoke-cast (smoke-module-pointer (smoke (class-of object))) (pointer object)
' 389 (id (class-of object)) (id class)))
' 390
2009-04-05 tobias 391
15:36:29 ' 392 (defun upcast (object class)
' 393 (assert (derived-p class (class-of object))
' 394 ()
' 395 "Can not upcast object ~A of class ~A to class ~A."
' 396 object (name (class-of object)) (name class))
2009-06-22 tobias 397 (smoke-cast (smoke-module-pointer (smoke class)) (pointer object)
2009-04-05 tobias 398 (id (class-of object)) (id (real-class class))))
15:36:29 ' 399
' 400
2009-08-02 tobias 401 ;; The constructor name is the name of the class minus any namespace parts.
2009-07-22 tobias 402 (defun constructor-name (class)
2010-02-19 tobias 403 (let ((name-start (search "::" (name class) :from-end t)))
2009-07-22 tobias 404 (if name-start
2010-02-19 tobias 405 (subseq (name class) (+ name-start 2))
21:22:50 ' 406 (name class))))
2009-07-22 tobias 407
2009-08-30 tobias 408 (defun call-constructor (object arguments)
14:12:44 ' 409 (if (null arguments)
' 410 (let ((method (find-smoke-method (class-of object)
' 411 (constructor-name (class-of object)))))
' 412 (assert (valid-p method)
' 413 (method)
' 414 "No constructor for ~A." object)
' 415 (pointer-call method (null-pointer)))
' 416 (multiple-value-bind (method sequence)
' 417 (find-best-viable-function (constructor-name (class-of object))
' 418 arguments
' 419 (class-of object))
' 420 (when (null method)
' 421 (error "No constructor for object ~A with
' 422 the arguments ~S." object arguments))
' 423 (pointer-call method (null-pointer)
' 424 (mapcar #'(lambda (conversion argument)
' 425 (funcall conversion argument))
' 426 sequence arguments)))))
2009-04-05 tobias 427
15:36:29 ' 428 (defmethod initialize-instance :after ((object smoke-standard-object)
2009-07-22 tobias 429 &key args
22:26:05 ' 430 (arg0 nil arg0p)
' 431 (arg1 nil arg1p)
' 432 (arg2 nil arg2p)
' 433 &allow-other-keys)
2009-04-05 tobias 434 "Initializes a Smoke object. Calls its constructor with the arguments supplied
15:36:29 ' 435 by the key :ARGS and sets the smoke binding."
2009-06-22 tobias 436 (declare (optimize (speed 3)))
2009-04-05 tobias 437 (assert (not (and (slot-boundp object 'pointer)
15:36:29 ' 438 (not (null args))))
' 439 ((slot-value object 'pointer) args)
' 440 "Pointer ~A bound and constructor argument :ARGS ~S supplied."
' 441 (slot-value object 'pointer) args)
' 442 (unless (slot-boundp object 'pointer)
2009-07-22 tobias 443 (if arg0p
22:26:05 ' 444 (setf (slot-value object 'pointer)
2009-08-30 tobias 445 (call-constructor object
2009-07-22 tobias 446 (cond
22:26:05 ' 447 (arg2p (list arg0 arg1 arg2))
' 448 (arg1p (list arg0 arg1))
' 449 (t (list arg0)))))
2009-08-30 tobias 450 (setf (slot-value object 'pointer) (call-constructor object args)))
2009-06-22 tobias 451 (set-binding object)
2009-05-24 tobias 452 (take-ownership object)
2009-04-05 tobias 453 (add-object object)))
15:36:29 ' 454
' 455
' 456 (defmethod instance-to-lisp (pointer class type)
2009-06-22 tobias 457 (declare (type smoke-standard-class class)
12:18:08 ' 458 (optimize (speed 3)))
2009-08-27 tobias 459 (let ((ret (make-instance class :pointer pointer)))
2009-05-24 tobias 460 (when (stack-p type)
11:30:05 ' 461 (take-ownership ret)
' 462 (add-object ret))
2009-04-05 tobias 463 ret))
2009-05-31 tobias 464
2009-06-08 tobias 465 (defun keep-wrapper (object new-owner)
2009-06-22 tobias 466 (declare (type smoke-standard-object object)
12:18:08 ' 467 (optimize (speed 3)))
2009-06-10 tobias 468 (when (member object (owned-objects new-owner))
2009-08-02 tobias 469 (cerror "ignore" "~A has already been added to ~A."
10:12:41 ' 470 object new-owner))
2009-06-08 tobias 471 (push object (owned-objects new-owner)))
2009-05-31 tobias 472
2009-06-22 tobias 473 (declaim (inline remove-wrapper-object))
2009-06-08 tobias 474 (defun remove-wrapper-object (object owner)
09:20:54 ' 475 (remove object (owned-objects owner)))
2009-05-31 tobias 476
2009-06-08 tobias 477 (defun transfer-ownership-to (object new-owner)
2009-05-31 tobias 478 "Transfers the ownership of OBJECT to C++."
2009-06-22 tobias 479 (declare (optimize (speed 3)))
2009-06-30 tobias 480 (remove-finalizer object)
2009-06-10 tobias 481 (if (virtual-destructor-p (class-of object))
11:55:55 ' 482 (keep-wrapper object new-owner)
' 483 (remove-object (pointer object))))
2009-05-31 tobias 484
2009-06-08 tobias 485 (defun take-ownership (object &optional current-owner)
2009-05-31 tobias 486 "Assigns the ownership of OBJECT to Lisp. i.e.:
17:41:26 ' 487 cl-smoke is responsible for deleting the object."
2009-06-08 tobias 488 (when current-owner
09:20:54 ' 489 (remove-wrapper-object object current-owner))
2009-06-30 tobias 490 (set-finalizer object))
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