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Support the new smokegenerator (r1015073).
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)
2009-08-27 tobias 111 (when (const-p object)
11:43:13 ' 112 (princ "CONST " stream))
2009-05-27 tobias 113 (princ (pointer object) stream))
17:22:08 ' 114 (call-next-method)))
2009-04-05 tobias 115
15:36:29 ' 116 (defclass smoke-standard-class (standard-class smoke-class)
2009-05-24 tobias 117 ()
2009-04-05 tobias 118 (:documentation "A Smoke C++ class"))
15:36:29 ' 119
2009-05-31 tobias 120 (defclass cxx:class (smoke-standard-class)
2009-07-08 tobias 121 ()
2009-05-31 tobias 122 (:documentation "Metaclass to extend Smoke Objects."))
2009-05-14 tobias 123
2009-08-02 tobias 124 (defmethod closer-mop:validate-superclass ((class smoke-standard-class)
10:12:41 ' 125 (superclass standard-class))
2009-07-22 tobias 126 t)
2009-04-05 tobias 127
2009-08-02 tobias 128 (defmethod closer-mop:validate-superclass ((class cxx:class)
10:12:41 ' 129 (superclass smoke-standard-class))
2009-07-22 tobias 130 t)
2009-04-05 tobias 131
2009-08-02 tobias 132 ;; Sets NIL superclass to SMOKE-STANDARD-OBJECT instead of the default
10:12:41 ' 133 ;; STANDARD-OBJECT.
' 134 (defun init-smoke-standard-class (class next-method
' 135 &rest args &key direct-superclasses
' 136 &allow-other-keys)
' 137 (apply next-method class
' 138 :direct-superclasses (or direct-superclasses
' 139 (list (find-class 'smoke-standard-object)))
' 140 args))
2009-04-05 tobias 141
2009-08-02 tobias 142 (defmethod initialize-instance :around ((class smoke-standard-class) &rest args)
10:12:41 ' 143 (apply #'init-smoke-standard-class class #'call-next-method args))
' 144
' 145 (defmethod reinitialize-instance :around ((class smoke-standard-class) &rest args)
' 146 (apply #'init-smoke-standard-class class #'call-next-method args))
2009-04-05 tobias 147
15:36:29 ' 148
2009-08-02 tobias 149 (defun init-cxx-class (class next-method &rest args &key direct-superclasses
2009-08-30 tobias 150 &allow-other-keys)
2009-04-05 tobias 151 (assert (not (null direct-superclasses))
15:36:29 ' 152 (direct-superclasses)
2009-08-30 tobias 153 "No superclass sup-lied for class ~A" class)
14:12:44 ' 154 (let ((superclass (first direct-superclasses)))
' 155 (assert (subtypep (class-of superclass) (find-class 'smoke-standard-class))
2009-04-05 tobias 156 ((first direct-superclasses))
2009-08-30 tobias 157 "The first superclass must be an subclass of an smoke class.")
2009-06-10 tobias 158 (assert (virtual-destructor-p superclass)
11:55:55 ' 159 ()
2009-08-30 tobias 160 "The class ~A has a non virtual destructor." superclass)
2009-04-05 tobias 161 (apply
2009-08-02 tobias 162 next-method class
2009-07-08 tobias 163 :id (id superclass)
2009-06-22 tobias 164 :smoke (smoke superclass)
2009-04-05 tobias 165 :direct-superclasses direct-superclasses
15:36:29 ' 166 args)))
' 167
2009-08-02 tobias 168 (defmethod reinitialize-instance :around ((class cxx:class) &rest args)
10:12:41 ' 169 (apply #'init-cxx-class class #'call-next-method args))
' 170
' 171 (defmethod initialize-instance :around ((class cxx:class) &rest args)
' 172 (apply #'init-cxx-class class #'call-next-method args))
' 173
2010-01-26 tobias 174 (defun smoke-class-symbol (smoke-class)
16:26:09 ' 175 "Returns the Lisp class-name of SMOKE-CLASS:"
' 176 (if (external-p smoke-class)
' 177 (class-name (find-smoke-class smoke-class))
' 178 (lispify (name smoke-class))))
2009-04-05 tobias 179
2009-08-30 tobias 180
2009-06-11 tobias 181 (defun make-smoke-classes (package smoke)
2009-07-01 tobias 182 "Constructs a lisp class in PACKAGE for each one in the Smoke module SMOKE."
2009-06-22 tobias 183 (declare (optimize (speed 3)))
2010-01-10 tobias 184 (let ((*package* (find-package package)))
2009-06-22 tobias 185 (add-id-class-map smoke)
2009-04-05 tobias 186 (map-classes
15:36:29 ' 187 #'(lambda (class)
2009-08-27 tobias 188 (unless (or (external-p class)
11:43:13 ' 189 (and (eq package :cl-smoke.qt)
' 190 (string/= (smoke-get-module-name
' 191 (smoke-module-pointer smoke))
' 192 "qt")
' 193 (string= (name class) "QGlobalSpace")))
' 194 (with-simple-restart (skip "Skip generating class ~A" (name class))
' 195 (add-id class
' 196 (closer-mop:ensure-class (lispify (name class))
' 197 :direct-superclasses
' 198 (mapcar #'smoke-class-symbol
' 199 (smoke-class-direct-superclasses class))
' 200 :id (id class)
' 201 :smoke (smoke class)
' 202 :metaclass 'smoke-standard-class))
' 203 (export (lispify (name class))))))
2009-06-11 tobias 204 smoke)))
2009-04-05 tobias 205
2009-04-12 tobias 206 (defclass smoke-gf (cxx-generic-function)
14:43:33 ' 207 ((cxx-name :reader name :initarg :cxx-name
2009-05-11 tobias 208 :type string
11:07:39 ' 209 :documentation "The C++ name of the method."))
2009-04-05 tobias 210 (:metaclass closer-mop:funcallable-standard-class)
2009-05-11 tobias 211 (:documentation "Smoke generic function."))
2009-04-05 tobias 212
2009-06-22 tobias 213 (declaim (inline smoke-class-of))
2009-04-05 tobias 214 (defun smoke-class-of (object)
2009-07-01 tobias 215 "Returns the class of OBJECT or OBJECT iff it already is a class."
2009-06-22 tobias 216 (declare (optimize (speed 3)))
12:18:08 ' 217 (if (typep object 'smoke-class)
2009-04-05 tobias 218 object
15:36:29 ' 219 (class-of object)))
' 220
2009-04-12 tobias 221 ;;; To speed up the startup
2009-04-05 tobias 222 ;;; ENSURE-METHOD is only called as needed.
15:36:29 ' 223 (defmethod no-applicable-method ((gf smoke-gf) &rest args)
' 224 "Calls the smoke method."
2009-06-22 tobias 225 (declare (dynamic-extent args)
12:18:08 ' 226 (optimize (speed 3)))
2009-04-17 tobias 227 (call-using-args (first args) (name gf) (rest args)))
2009-04-05 tobias 228
2009-04-12 tobias 229 (defmethod add-method :after ((gf cxx-method-generic-function) method)
2009-04-05 tobias 230 "Adds a method which calls the smoke method, to make call-next-method work."
15:36:29 ' 231 (when (null (rest (closer-mop:generic-function-methods gf)))
2009-04-12 tobias 232 (let ((lambda-list (closer-mop:method-lambda-list method)))
14:43:33 ' 233 (closer-mop:ensure-method
' 234 gf
' 235 `(lambda ,lambda-list
' 236 (declare (optimize (speed 3)))
2009-05-11 tobias 237 (call-using-args ,(first lambda-list)
17:55:42 ' 238 (name ,(cxx-generic-function gf))
2009-05-11 tobias 239 (list ,@(rest lambda-list))))))))
2009-04-05 tobias 240
15:36:29 ' 241 (defcallback destructed :void
2009-07-22 tobias 242 ((object-pointer :pointer))
2009-06-22 tobias 243 (declare (optimize (speed 3)))
2009-04-05 tobias 244 (let ((object (get-object object-pointer)))
2009-08-02 tobias 245 ;; The destructed callback can be the result of deleting the object
10:12:41 ' 246 ;; in a finalizer. In that case the object is already removed from
' 247 ;; *object-map* when the callback is invoked. Thus OBJECT can be NIL.
2009-04-05 tobias 248 (when object
2009-06-30 tobias 249 (remove-finalizer object)
2009-04-05 tobias 250 (remove-object object-pointer)
15:36:29 ' 251 (setf (slot-value object 'pointer) (null-pointer)))))
' 252
2009-06-22 tobias 253 (declaim (inline argument-to-lisp))
12:18:08 ' 254 (defun argument-to-lisp (stack-item type)
' 255 ;; FIXME do not take ownership of stack allocated objects.
2009-08-02 tobias 256 ;; It looks like there is no stack allocation in Qt virtual method signatures.
2009-06-22 tobias 257 (type-to-lisp stack-item type))
12:18:08 ' 258
2009-04-05 tobias 259 (defun stack-to-args (stack arg &optional (args nil))
15:36:29 ' 260 "Returns the arguments in STACK, where ARG is the type
' 261 of the first argument, as an list of Lisp objects."
' 262 (if (end-p arg)
2009-06-22 tobias 263 (reverse args)
12:18:08 ' 264 (stack-to-args (inc-pointer stack
' 265 (foreign-type-size 'smoke-stack-item))
2009-04-05 tobias 266 (next arg)
2009-08-27 tobias 267 (cons (argument-to-lisp (mem-ref stack 'smoke-stack-item)
2009-07-22 tobias 268 arg)
2009-06-22 tobias 269 args))))
2009-04-05 tobias 270
2009-09-02 tobias 271 (defun convert-argument (argument type &optional (user t))
11:49:34 ' 272 "Returns ARGUMENT converted to TYPE. If USER is true, user defined
' 273 conversion sequences are considered."
' 274 (let ((rank (get-conversion-sequence argument type user)))
' 275 (if (null rank)
' 276 (error "Can not convert the argument ~S to ~A."
' 277 argument (name type))
' 278 (funcall (conversion-function-name rank)
' 279 argument))))
2009-04-05 tobias 280
2009-06-08 tobias 281 (defun put-returnvalue (stack value type object)
2009-04-05 tobias 282 (unless (void-p type)
2009-05-26 tobias 283 (let ((stack (make-call-stack stack)))
2009-07-08 tobias 284 (setf (call-stack-top stack) (call-stack-pointer stack))
2009-09-02 tobias 285 ;; FIXME support user conversions.
11:49:34 ' 286 ;;
' 287 ;; We need to determine which of value and converted-value is
' 288 ;; passed on the stack. E.g. converted-value can be something
' 289 ;; like (cxx:operator-variant value).
' 290 (let ((converted-value (convert-argument value type nil)))
' 291 (push-smoke-stack stack converted-value (type-id type))
' 292 (when (stack-p type) ;; Pass by value => smoke deletes the object.
' 293 (remove-finalizer converted-value)
' 294 (when (typep value 'smoke-standard-object)
' 295 (remove-object (pointer value))))))))
' 296 ; (transfer-ownership-to value object)))))))
2009-04-05 tobias 297
2009-05-19 tobias 298 (defun get-gf-for-method (smoke-method)
11:09:12 ' 299 (declare (smoke-method smoke-method)
' 300 (optimize (speed 3)))
' 301 (symbol-function (lispify (name smoke-method) "CXX")))
2009-05-19 tobias 302
2009-08-30 tobias 303 ;; Receive virutal function calls.
2009-04-05 tobias 304 (defcallback dispatch-method :boolean
2010-02-19 tobias 305 ((binding :pointer)
21:10:24 ' 306 (method smoke-index)
2009-06-30 tobias 307 (object-ptr :pointer)
22:47:39 ' 308 (stack smoke-stack)
' 309 (abstract :boolean))
2009-04-05 tobias 310 (declare (optimize (speed 3)))
2009-06-30 tobias 311 (let ((object (get-object object-ptr)))
2009-08-02 tobias 312 ;; The Lisp OBJECT can be gc'ed but we might still receive a
10:12:41 ' 313 ;; QObject destructed event when the C++ instance is deleted in
' 314 ;; the finalizer. Thus OBJECT might be NIL.
2010-02-18 tobias 315 (when (and object (typep (class-of object) 'cxx:class))
19:57:00 ' 316 ;; Do not allow overwriting methods of classes the users has
' 317 ;; not derived from (like in C++), to reduce overhead.
2009-08-02 tobias 318 (let* ((method (make-smoke-method
2010-02-19 tobias 319 :smoke (gethash (pointer-address
21:10:24 ' 320 (smoke-get-smoke binding))
' 321 *smoke-modules*)
2009-08-02 tobias 322 :id method)))
10:12:41 ' 323 (loop
' 324 (restart-case
' 325 (return-from dispatch-method
' 326 (let ((gf (get-gf-for-method method)))
' 327 (declare (function gf))
' 328 (if (null (gf-methods gf))
' 329 (progn
' 330 (when abstract
' 331 (error "Abstract method ~A of ~A called."
' 332 (method-declaration method) object))
' 333 nil)
' 334 (if object
' 335 (progn
' 336 (put-returnvalue
' 337 stack
' 338 (apply gf object
' 339 (stack-to-args
' 340 (inc-pointer stack (foreign-type-size
' 341 'smoke-stack-item))
' 342 (get-first-argument method)))
' 343 (return-type method) object)
' 344 t)
' 345 nil))))
' 346 ;; Restarts to prevent stack unwinding across the C++ stack.
' 347 (call-default ()
' 348 :report (lambda (stream)
' 349 (declare (stream stream))
' 350 (format stream
' 351 "Call default implementation ~A instead."
' 352 method))
' 353 :test (lambda (condition)
' 354 (declare (ignore condition))
' 355 (not abstract))
' 356 (return-from dispatch-method nil))
' 357 (use-returnvalue (return-value)
' 358 :report (lambda (stream)
' 359 (declare (stream stream))
' 360 (format stream "Supply a return value for ~A."
' 361 (method-declaration method)))
' 362 :test (lambda (condition)
' 363 (declare (ignore condition))
' 364 (not (void-p (return-type method))))
' 365 :interactive (lambda ()
' 366 (format *query-io* "~&Enter a new return value: ")
' 367 (multiple-value-list (eval (read *query-io*))))
' 368 (put-returnvalue stack return-value
' 369 (return-type method)
' 370 (get-object object-ptr))
' 371 (return-from dispatch-method t))
' 372 (return ()
' 373 :report (lambda (stream)
' 374 (declare (stream stream))
' 375 (format stream "Return void for ~A."
' 376 (method-declaration method)))
' 377 :test (lambda (condition)
' 378 (declare (ignore condition))
' 379 (void-p (return-type method)))
' 380 (return-from dispatch-method (values)))
' 381 (retry ()
' 382 :report (lambda (stream)
' 383 (declare (stream stream))
' 384 (format stream "Try again calling ~A."
' 385 (method-declaration method))))))
' 386 nil))))
2009-04-05 tobias 387
15:36:29 ' 388 ;;FIXME use CHANGE-CLASS instead?
2009-08-30 tobias 389 (defun cast (object class)
14:12:44 ' 390 "Returns a pointer of type CLASS to the C++ object of OBJECT."
2009-07-08 tobias 391 (declare (optimize (speed 3)))
2009-08-30 tobias 392 (assert (derived-p (class-of object) class)
14:12:44 ' 393 ()
' 394 "Can not cast object ~A of class ~A to class ~A."
' 395 object (name (class-of object)) (name class))
' 396 (smoke-cast (smoke-module-pointer (smoke (class-of object))) (pointer object)
' 397 (id (class-of object)) (id class)))
' 398
2009-04-05 tobias 399
15:36:29 ' 400 (defun upcast (object class)
' 401 (assert (derived-p class (class-of object))
' 402 ()
' 403 "Can not upcast object ~A of class ~A to class ~A."
' 404 object (name (class-of object)) (name class))
2009-06-22 tobias 405 (smoke-cast (smoke-module-pointer (smoke class)) (pointer object)
2009-04-05 tobias 406 (id (class-of object)) (id (real-class class))))
15:36:29 ' 407
' 408
2009-08-02 tobias 409 ;; The constructor name is the name of the class minus any namespace parts.
2009-07-22 tobias 410 (defun constructor-name (class)
2010-02-19 tobias 411 (let ((name-start (search "::" (name class) :from-end t)))
2009-07-22 tobias 412 (if name-start
2010-02-19 tobias 413 (subseq (name class) (+ name-start 2))
21:22:50 ' 414 (name class))))
2009-07-22 tobias 415
2009-08-30 tobias 416 (defun call-constructor (object arguments)
14:12:44 ' 417 (if (null arguments)
' 418 (let ((method (find-smoke-method (class-of object)
' 419 (constructor-name (class-of object)))))
' 420 (assert (valid-p method)
' 421 (method)
' 422 "No constructor for ~A." object)
' 423 (pointer-call method (null-pointer)))
' 424 (multiple-value-bind (method sequence)
' 425 (find-best-viable-function (constructor-name (class-of object))
' 426 arguments
' 427 (class-of object))
' 428 (when (null method)
' 429 (error "No constructor for object ~A with
' 430 the arguments ~S." object arguments))
' 431 (pointer-call method (null-pointer)
' 432 (mapcar #'(lambda (conversion argument)
' 433 (funcall conversion argument))
' 434 sequence arguments)))))
2009-04-05 tobias 435
15:36:29 ' 436 (defmethod initialize-instance :after ((object smoke-standard-object)
2009-07-22 tobias 437 &key args
22:26:05 ' 438 (arg0 nil arg0p)
' 439 (arg1 nil arg1p)
' 440 (arg2 nil arg2p)
' 441 &allow-other-keys)
2009-04-05 tobias 442 "Initializes a Smoke object. Calls its constructor with the arguments supplied
15:36:29 ' 443 by the key :ARGS and sets the smoke binding."
2009-06-22 tobias 444 (declare (optimize (speed 3)))
2009-04-05 tobias 445 (assert (not (and (slot-boundp object 'pointer)
15:36:29 ' 446 (not (null args))))
' 447 ((slot-value object 'pointer) args)
' 448 "Pointer ~A bound and constructor argument :ARGS ~S supplied."
' 449 (slot-value object 'pointer) args)
' 450 (unless (slot-boundp object 'pointer)
2009-07-22 tobias 451 (if arg0p
22:26:05 ' 452 (setf (slot-value object 'pointer)
2009-08-30 tobias 453 (call-constructor object
2009-07-22 tobias 454 (cond
22:26:05 ' 455 (arg2p (list arg0 arg1 arg2))
' 456 (arg1p (list arg0 arg1))
' 457 (t (list arg0)))))
2009-08-30 tobias 458 (setf (slot-value object 'pointer) (call-constructor object args)))
2009-06-22 tobias 459 (set-binding object)
2009-05-24 tobias 460 (take-ownership object)
2009-04-05 tobias 461 (add-object object)))
15:36:29 ' 462
' 463
' 464 (defmethod instance-to-lisp (pointer class type)
2009-06-22 tobias 465 (declare (type smoke-standard-class class)
12:18:08 ' 466 (optimize (speed 3)))
2009-08-27 tobias 467 (let ((ret (make-instance class :pointer pointer
11:43:13 ' 468 :const-p (const-p type))))
2009-05-24 tobias 469 (when (stack-p type)
11:30:05 ' 470 (take-ownership ret)
' 471 (add-object ret))
2009-04-05 tobias 472 ret))
2009-05-31 tobias 473
2009-06-08 tobias 474 (defun keep-wrapper (object new-owner)
2009-06-22 tobias 475 (declare (type smoke-standard-object object)
12:18:08 ' 476 (optimize (speed 3)))
2009-06-10 tobias 477 (when (member object (owned-objects new-owner))
2009-08-30 tobias 478 (cerror "ignore" "~A has already been added to ~A."
2009-08-02 tobias 479 object new-owner))
2009-06-08 tobias 480 (push object (owned-objects new-owner)))
2009-05-31 tobias 481
2009-06-22 tobias 482 (declaim (inline remove-wrapper-object))
2009-06-08 tobias 483 (defun remove-wrapper-object (object owner)
09:20:54 ' 484 (remove object (owned-objects owner)))
2009-05-31 tobias 485
2009-06-08 tobias 486 (defun transfer-ownership-to (object new-owner)
2009-05-31 tobias 487 "Transfers the ownership of OBJECT to C++."
2009-06-22 tobias 488 (declare (optimize (speed 3)))
2009-06-30 tobias 489 (remove-finalizer object)
2009-06-10 tobias 490 (if (virtual-destructor-p (class-of object))
11:55:55 ' 491 (keep-wrapper object new-owner)
' 492 (remove-object (pointer object))))
2009-05-31 tobias 493
2009-06-08 tobias 494 (defun take-ownership (object &optional current-owner)
2009-05-31 tobias 495 "Assigns the ownership of OBJECT to Lisp. i.e.:
17:41:26 ' 496 cl-smoke is responsible for deleting the object."
2009-06-08 tobias 497 (when current-owner
09:20:54 ' 498 (remove-wrapper-object object current-owner))
2009-06-30 tobias 499 (set-finalizer object))
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