+++ /dev/null
-;; Common Lisp bindings for GTK+ v2.x
-;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
-;;
-;; Permission is hereby granted, free of charge, to any person obtaining
-;; a copy of this software and associated documentation files (the
-;; "Software"), to deal in the Software without restriction, including
-;; without limitation the rights to use, copy, modify, merge, publish,
-;; distribute, sublicense, and/or sell copies of the Software, and to
-;; permit persons to whom the Software is furnished to do so, subject to
-;; the following conditions:
-;;
-;; The above copyright notice and this permission notice shall be
-;; included in all copies or substantial portions of the Software.
-;;
-;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-;; $Id: proxy.lisp,v 1.39 2006-03-06 14:28:03 espen Exp $
-
-(in-package "GLIB")
-
-;;;; Superclass for all metaclasses implementing some sort of virtual slots
-
-(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass virtual-slots-class (standard-class)
- ())
-
- (defclass direct-virtual-slot-definition (standard-direct-slot-definition)
- ((setter :reader slot-definition-setter :initarg :setter)
- (getter :reader slot-definition-getter :initarg :getter)
- (unbound :reader slot-definition-unbound :initarg :unbound)
- (boundp :reader slot-definition-boundp :initarg :boundp)))
-
- (defclass effective-virtual-slot-definition (standard-effective-slot-definition)
- ((setter :reader slot-definition-setter :initarg :setter)
- (getter :reader slot-definition-getter :initarg :getter)
- (unbound :reader slot-definition-unbound :initarg :unbound)
- (boundp :reader slot-definition-boundp :initarg :boundp)))
-
- (defclass direct-special-slot-definition (standard-direct-slot-definition)
- ((special :initarg :special :accessor slot-definition-special)))
-
- (defclass effective-special-slot-definition (standard-effective-slot-definition)
- ((special :initarg :special :accessor slot-definition-special))))
-
-(defvar *unbound-marker* (gensym "UNBOUND-MARKER-"))
-
-(defun most-specific-slot-value (instances slot &optional (default *unbound-marker*))
- (let ((object (find-if
- #'(lambda (ob)
- (and (slot-exists-p ob slot) (slot-boundp ob slot)))
- instances)))
- (if object
- (slot-value object slot)
- default)))
-
-
-(defmethod direct-slot-definition-class ((class virtual-slots-class) &rest initargs)
- (cond
- ((eq (getf initargs :allocation) :virtual)
- (find-class 'direct-virtual-slot-definition))
- ((getf initargs :special)
- (find-class 'direct-special-slot-definition))
- (t (call-next-method))))
-
-(defmethod effective-slot-definition-class ((class virtual-slots-class) &rest initargs)
- (cond
- ((eq (getf initargs :allocation) :virtual)
- (find-class 'effective-virtual-slot-definition))
- ((getf initargs :special)
- (find-class 'effective-special-slot-definition))
- (t (call-next-method))))
-
-
-(defmethod initialize-internal-slot-functions ((slotd effective-virtual-slot-definition))
- (if (not (slot-boundp slotd 'getter))
- (setf
- (slot-value slotd 'reader-function)
- #'(lambda (object)
- (declare (ignore object))
- (error "Slot is not readable: ~A" (slot-definition-name slotd)))
- (slot-value slotd 'boundp-function)
- #'(lambda (object) (declare (ignore object)) nil))
-
- (let ((getter-function
- (let ((getter (slot-value slotd 'getter)))
- (etypecase getter
- (function getter)
- (symbol
- #'(lambda (object)
- (funcall getter object)))
- (string
- (let ((reader nil))
- (setf (slot-value slotd 'reader-function)
- #'(lambda (object)
- (unless reader
- (setq reader
- (mkbinding getter
- (slot-definition-type slotd) 'pointer)))
- (funcall reader (foreign-location object))))))))))
-
- (setf
- (slot-value slotd 'boundp-function)
- (cond
- ((slot-boundp slotd 'unbound)
- (let ((unbound-value (slot-value slotd 'unbound)))
- #'(lambda (object)
- (not (eq (funcall getter-function object) unbound-value)))))
- ((slot-boundp slotd 'boundp)
- (let ((boundp (slot-value slotd 'boundp)))
- (etypecase boundp
- (function boundp)
- (symbol #'(lambda (object)
- (funcall boundp object)))
- (string (let ((reader ()))
- #'(lambda (object)
- (unless reader
- (setq reader
- (mkbinding boundp
- (slot-definition-type slotd) 'pointer)))
- (funcall reader (foreign-location object))))))))
- ((let ((unbound-value-method
- (find-applicable-type-method 'unbound-value
- (slot-definition-type slotd) nil)))
- (when unbound-value-method
- (let ((unbound-value
- (funcall unbound-value-method (slot-definition-type slotd))))
- #'(lambda (object)
- (not (eq (funcall getter-function object) unbound-value)))))))
- (#'(lambda (object) (declare (ignore object)) t))))
-
- (setf
- (slot-value slotd 'reader-function)
- (cond
- ((slot-boundp slotd 'unbound)
- (let ((unbound (slot-value slotd 'unbound))
- (slot-name (slot-definition-name slotd)))
- #'(lambda (object)
- (let ((value (funcall getter-function object)))
- (if (eq value unbound)
- (slot-unbound (class-of object) object slot-name)
- value)))))
- ((slot-boundp slotd 'boundp)
- (let ((boundp-function (slot-value slotd 'boundp-function)))
- #'(lambda (object)
- (and
- (funcall boundp-function object)
- (funcall getter-function object)))))
- ((let ((unbound-value-method
- (find-applicable-type-method 'unbound-value
- (slot-definition-type slotd) nil)))
- (when unbound-value-method
- (let ((unbound-value
- (funcall unbound-value-method (slot-definition-type slotd)))
- (slot-name (slot-definition-name slotd)))
- #'(lambda (object)
- (let ((value (funcall getter-function object)))
- (if (eq value unbound-value)
- (slot-unbound (class-of object) object slot-name)
- value)))))))
- (getter-function)))))
-
- (setf
- (slot-value slotd 'writer-function)
- (if (not (slot-boundp slotd 'setter))
- #'(lambda (value object)
- (declare (ignore value object))
- (error "Slot is not writable: ~A" (slot-definition-name slotd)))
- (with-slots (setter) slotd
- (etypecase setter
- (function setter)
- ((or symbol cons)
- #'(lambda (value object)
- (funcall (fdefinition setter) value object)))
- (string
- (let ((writer ()))
- (setf
- (slot-value slotd 'writer-function)
- #'(lambda (value object)
- (unless writer
- (setq writer
- (mkbinding setter 'nil 'pointer
- (slot-definition-type slotd))))
- (funcall writer (foreign-location object) value)))))))))
-
- #-sbcl>=0.9.8(initialize-internal-slot-gfs (slot-definition-name slotd)))
-
-
-
-(defmethod compute-slot-accessor-info ((slotd effective-virtual-slot-definition) type gf)
- nil)
-
-(defmethod compute-effective-slot-definition-initargs ((class virtual-slots-class) direct-slotds)
- (typecase (first direct-slotds)
- (direct-virtual-slot-definition
- (let ((initargs ()))
- (let ((getter (most-specific-slot-value direct-slotds 'getter)))
- (unless (eq getter *unbound-marker*)
- (setf (getf initargs :getter) getter)))
- (let ((setter (most-specific-slot-value direct-slotds 'setter)))
- (unless (eq setter *unbound-marker*)
- (setf (getf initargs :setter) setter)))
- (let ((unbound (most-specific-slot-value direct-slotds 'unbound)))
- (unless (eq unbound *unbound-marker*)
- (setf (getf initargs :unbound) unbound)))
- (let ((boundp (most-specific-slot-value direct-slotds 'boundp)))
- (unless (eq boundp *unbound-marker*)
- (setf (getf initargs :boundp) boundp)))
- ;; This is needed to avoid type expansion in SBCL version >= 0.9.8
- #+sbcl>=0.9.8
- (let ((type (most-specific-slot-value direct-slotds #-sbcl>=0.9.10'type #+sbcl>=0.9.10'sb-pcl::%type)))
- (unless (eq type *unbound-marker*)
- (setf (getf initargs :type) type)))
- (nconc initargs (call-next-method))))
- (direct-special-slot-definition
- (append '(:special t) (call-next-method)))
- (t (call-next-method))))
-
-
-(defmethod slot-value-using-class
- ((class virtual-slots-class) (object standard-object)
- (slotd effective-virtual-slot-definition))
- (if (funcall (slot-value slotd 'boundp-function) object)
- (funcall (slot-value slotd 'reader-function) object)
- (slot-unbound class object (slot-definition-name slotd))))
-
-(defmethod slot-boundp-using-class
- ((class virtual-slots-class) (object standard-object)
- (slotd effective-virtual-slot-definition))
- (funcall (slot-value slotd 'boundp-function) object))
-
-(defmethod (setf slot-value-using-class)
- (value (class virtual-slots-class) (object standard-object)
- (slotd effective-virtual-slot-definition))
- (funcall (slot-value slotd 'writer-function) value object))
-
-
-(defmethod validate-superclass
- ((class virtual-slots-class) (super standard-class))
- t)
-
-
-(defmethod slot-definition-special ((slotd standard-direct-slot-definition))
- (declare (ignore slotd))
- nil)
-
-(defmethod slot-definition-special ((slotd standard-effective-slot-definition))
- (declare (ignore slotd))
- nil)
-
-
-;;;; Proxy cache
-
-(defvar *instance-cache* (make-hash-table :test #'eql))
-
-(defun cache-instance (instance &optional (weak-ref t))
- (setf
- (gethash (sap-int (foreign-location instance)) *instance-cache*)
- (if weak-ref
- (make-weak-pointer instance)
- instance)))
-
-(defun find-cached-instance (location)
- (let ((ref (gethash (sap-int location) *instance-cache*)))
- (when ref
- (if (weak-pointer-p ref)
- (weak-pointer-value ref)
- ref))))
-
-(defun instance-cached-p (location)
- (gethash (sap-int location) *instance-cache*))
-
-(defun remove-cached-instance (location)
- (remhash (sap-int location) *instance-cache*))
-
-;; For debuging
-(defun list-cached-instances ()
- (let ((instances ()))
- (maphash #'(lambda (location ref)
- (declare (ignore location))
- (push ref instances))
- *instance-cache*)
- instances))
-
-;; Instances that gets invalidated tend to be short lived, but created
-;; in large numbers. So we're keeping them in a hash table to be able
-;; to reuse them (and thus reduce consing)
-(defvar *invalidated-instance-cache* (make-hash-table :test #'eql))
-
-(defun cache-invalidated-instance (instance)
- (push instance
- (gethash (class-of instance) *invalidated-instance-cache*)))
-
-(defun find-invalidated-instance (class)
- (when (gethash class *invalidated-instance-cache*)
- (pop (gethash class *invalidated-instance-cache*))))
-
-(defun list-invalidated-instances ()
- (let ((instances ()))
- (maphash #'(lambda (location ref)
- (declare (ignore location))
- (push ref instances))
- *invalidated-instance-cache*)
- instances))
-
-
-
-;;;; Proxy for alien instances
-
-;; TODO: add a ref-counted-proxy subclass
-(defclass proxy ()
- ((location :special t :type pointer))
- (:metaclass virtual-slots-class))
-
-(defgeneric instance-finalizer (object))
-(defgeneric reference-foreign (class location))
-(defgeneric unreference-foreign (class location))
-(defgeneric invalidate-instance (object))
-(defgeneric allocate-foreign (object &key &allow-other-keys))
-
-(defun foreign-location (instance)
- (slot-value instance 'location))
-
-(defun (setf foreign-location) (location instance)
- (setf (slot-value instance 'location) location))
-
-(defun proxy-valid-p (instance)
- (slot-boundp instance 'location))
-
-(defmethod reference-foreign ((name symbol) location)
- (reference-foreign (find-class name) location))
-
-(defmethod unreference-foreign ((name symbol) location)
- (unreference-foreign (find-class name) location))
-
-(defmethod unreference-foreign :around ((class class) location)
- (unless (null-pointer-p location)
- (call-next-method)))
-
-(defmethod print-object ((instance proxy) stream)
- (print-unreadable-object (instance stream :type t :identity nil)
- (if (slot-boundp instance 'location)
- (format stream "at 0x~X" (sap-int (foreign-location instance)))
- (write-string "at <unbound>" stream))))
-
-(defmethod initialize-instance :around ((instance proxy) &rest initargs &key &allow-other-keys)
- (setf
- (foreign-location instance)
- (apply #'allocate-foreign instance initargs))
- (prog1
- (call-next-method)
- (cache-instance instance)
- (finalize instance (instance-finalizer instance))))
-
-(defmethod instance-finalizer ((instance proxy))
- (let ((location (foreign-location instance))
- (class (class-of instance)))
-;; (unless (find-method #'unreference-foreign nil (list (class-of class) t) nil)
-;; (error "No matching method for UNREFERENCE-INSTANCE when called with class ~A" class))
- #'(lambda ()
- (remove-cached-instance location)
- (unreference-foreign class location))))
-
-;; Any reference to the foreign object the instance may have held
-;; should be released before this method is invoked
-(defmethod invalidate-instance ((instance proxy))
- (remove-cached-instance (foreign-location instance))
- (slot-makunbound instance 'location)
- (cancel-finalization instance)
- (cache-invalidated-instance instance))
-
-
-;;;; Metaclass used for subclasses of proxy
-
-(defgeneric most-specific-proxy-superclass (class))
-(defgeneric direct-proxy-superclass (class))
-
-
-(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass proxy-class (virtual-slots-class)
- ((size :reader foreign-size)))
-
- (defclass direct-alien-slot-definition (direct-virtual-slot-definition)
- ((offset :reader slot-definition-offset :initarg :offset))
- (:default-initargs :allocation :alien))
-
- (defclass effective-alien-slot-definition (effective-virtual-slot-definition)
- ((offset :reader slot-definition-offset :initarg :offset)))
-
- (defmethod most-specific-proxy-superclass ((class proxy-class))
- (find-if
- #'(lambda (class)
- (subtypep (class-name class) 'proxy))
- (cdr (compute-class-precedence-list class))))
-
- (defmethod direct-proxy-superclass ((class proxy-class))
- (find-if
- #'(lambda (class)
- (subtypep (class-name class) 'proxy))
- (class-direct-superclasses class)))
-
- (defmethod shared-initialize ((class proxy-class) names &key size)
- (call-next-method)
- (cond
- (size (setf (slot-value class 'size) (first size)))
- ((slot-boundp class 'size) (slot-makunbound class 'size))))
-
- (defmethod direct-slot-definition-class ((class proxy-class) &rest initargs)
- (case (getf initargs :allocation)
- (:alien (find-class 'direct-alien-slot-definition))
- (t (call-next-method))))
-
- (defmethod effective-slot-definition-class ((class proxy-class) &rest initargs)
- (case (getf initargs :allocation)
- (:alien (find-class 'effective-alien-slot-definition))
- (t (call-next-method))))
-
-
- (defmethod compute-effective-slot-definition-initargs ((class proxy-class) direct-slotds)
- (if (eq (slot-definition-allocation (first direct-slotds)) :alien)
- (nconc
- (list :offset (most-specific-slot-value direct-slotds 'offset))
- (call-next-method))
- (call-next-method)))
-
-
- (defmethod initialize-internal-slot-functions ((slotd effective-alien-slot-definition))
- (with-slots (offset) slotd
- (let ((type (slot-definition-type slotd)))
- (unless (slot-boundp slotd 'getter)
- (let ((reader (reader-function type)))
- (setf
- (slot-value slotd 'getter)
- #'(lambda (object)
- (funcall reader (foreign-location object) offset)))))
-
- (unless (slot-boundp slotd 'setter)
- (let ((writer (writer-function type))
- (destroy (destroy-function type)))
- (setf
- (slot-value slotd 'setter)
- #'(lambda (value object)
- (let ((location (foreign-location object)))
- (funcall destroy location offset) ; destroy old value
- (funcall writer value location offset))))))))
-
- (call-next-method))
-
- (defconstant +struct-alignmen+
- #+sbcl (/ (sb-alien-internals:alien-type-alignment
- (sb-alien-internals:parse-alien-type
- 'system-area-pointer nil))
- 8)
- #-sbcl 4)
-
- (defun align-offset (size)
- (if (zerop (mod size +struct-alignmen+))
- size
- (+ size (- +struct-alignmen+ (mod size +struct-alignmen+)))))
-
- (defmethod compute-slots ((class proxy-class))
- (let ((alien-slots
- (remove-if-not
- #'(lambda (slotd)
- (eq (slot-definition-allocation slotd) :alien))
- (class-direct-slots class))))
- (when alien-slots
- (loop
- as offset = (align-offset (foreign-size
- (most-specific-proxy-superclass class)))
- then (align-offset
- (+
- (slot-definition-offset slotd)
- (size-of (slot-definition-type slotd))))
- for slotd in alien-slots
- unless (slot-boundp slotd 'offset)
- do (setf (slot-value slotd 'offset) offset))))
- (call-next-method))
-
- (defmethod validate-superclass ((class proxy-class) (super standard-class))
- (subtypep (class-name super) 'proxy))
-
- (defmethod foreign-size ((class-name symbol))
- (foreign-size (find-class class-name))))
-
-(defmethod foreign-size ((object proxy))
- (foreign-size (class-of object)))
-
-
-(define-type-method alien-type ((class proxy))
- (declare (ignore class))
- (alien-type 'pointer))
-
-(define-type-method size-of ((class proxy))
- (declare (ignore class))
- (size-of 'pointer))
-
-(define-type-method from-alien-form ((type proxy) location)
- (let ((class (type-expand type)))
- `(ensure-proxy-instance ',class ,location)))
-
-(define-type-method from-alien-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (location)
- (ensure-proxy-instance class location))))
-
-(define-type-method to-alien-form ((type proxy) instance)
- (declare (ignore type))
- `(foreign-location ,instance))
-
-(define-type-method to-alien-function ((type proxy))
- (declare (ignore type))
- #'foreign-location)
-
-(define-type-method copy-from-alien-form ((type proxy) location)
- (let ((class (type-expand type)))
- `(ensure-proxy-instance ',class (reference-foreign ',class ,location))))
-
-(define-type-method copy-from-alien-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (location)
- (ensure-proxy-instance class (reference-foreign class location)))))
-
-(define-type-method copy-to-alien-form ((type proxy) instance)
- (let ((class (type-expand type)))
- `(reference-foreign ',class (foreign-location ,instance))))
-
-(define-type-method copy-to-alien-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (instance)
- (reference-foreign class (foreign-location instance)))))
-
-(define-type-method writer-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (instance location &optional (offset 0))
- (assert (null-pointer-p (sap-ref-sap location offset)))
- (setf
- (sap-ref-sap location offset)
- (reference-foreign class (foreign-location instance))))))
-
-(define-type-method reader-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (location &optional (offset 0) weak-p)
- (declare (ignore weak-p))
- (let ((instance (sap-ref-sap location offset)))
- (unless (null-pointer-p instance)
- (ensure-proxy-instance class (reference-foreign class instance)))))))
-
-(define-type-method destroy-function ((type proxy))
- (let ((class (type-expand type)))
- #'(lambda (location &optional (offset 0))
- (unreference-foreign class (sap-ref-sap location offset)))))
-
-(define-type-method unbound-value ((type proxy))
- (declare (ignore type))
- nil)
-
-(defun ensure-proxy-instance (class location &rest initargs)
- "Returns a proxy object representing the foreign object at the give
-location. If an existing object is not found in the cache
-MAKE-PROXY-INSTANCE is called to create one."
- (unless (null-pointer-p location)
- (or
- #-debug-ref-counting(find-cached-instance location)
- #+debug-ref-counting
- (let ((instance (find-cached-instance location)))
- (when instance
- (format t "Object found in cache: ~A~%" instance)
- instance))
- (let ((instance (apply #'make-proxy-instance class location initargs)))
- (cache-instance instance)
- instance))))
-
-(defgeneric make-proxy-instance (class location &key weak)
- (:documentation "Creates a new proxy object representing the foreign
-object at the give location. If WEAK is non NIL the foreign memory
-will not be released when the proxy is garbage collected."))
-
-(defmethod make-proxy-instance ((class symbol) location &rest initargs)
- (apply #'make-proxy-instance (find-class class) location initargs))
-
-(defmethod make-proxy-instance ((class proxy-class) location &key weak)
- (let ((instance
- (or
- (find-invalidated-instance class)
- (allocate-instance class))))
- (setf (foreign-location instance) location)
- (unless weak
- (finalize instance (instance-finalizer instance)))
- instance))
-
-
-;;;; Superclasses for wrapping of C structures
-
-(defclass struct (proxy)
- ()
- (:metaclass proxy-class)
- (:size 0))
-
-(defmethod allocate-foreign ((struct struct) &rest initargs)
- (declare (ignore initargs))
- (let ((size (foreign-size (class-of struct))))
- (if (zerop size)
- (error "~A has zero size" (class-of struct))
- (allocate-memory size))))
-
-
-;;;; Metaclasses used for subclasses of struct
-
-(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass struct-class (proxy-class)
- ()))
-
-(defmethod direct-slot-definition-class ((class struct-class) &rest initargs)
- (if (not (getf initargs :allocation))
- (find-class 'direct-alien-slot-definition)
- (call-next-method)))
-
-(defmethod reference-foreign ((class struct-class) location)
- (copy-memory location (foreign-size class)))
-
-(defmethod unreference-foreign ((class struct-class) location)
- (deallocate-memory location))
-
-(defmethod compute-slots :around ((class struct-class))
- (let ((slots (call-next-method)))
- (when (and
- #-sbcl>=0.9.8(class-finalized-p class)
- (not (slot-boundp class 'size)))
- (let ((size (loop
- for slotd in slots
- when (eq (slot-definition-allocation slotd) :alien)
- maximize (+
- (slot-definition-offset slotd)
- (size-of (slot-definition-type slotd))))))
- (setf (slot-value class 'size) (+ size (mod size +struct-alignmen+)))))
- slots))
-
-(define-type-method callback-from-alien-form ((type struct) form)
- (let ((class (type-expand type)))
- `(ensure-proxy-instance ',class ,form :weak t)))
-
-(define-type-method callback-cleanup-form ((type struct) form)
- (declare (ignore type))
- `(invalidate-instance ,form))
-
-(define-type-method reader-function ((type struct))
- (let ((class (type-expand type)))
- #'(lambda (location &optional (offset 0) weak-p)
- (let ((instance (sap-ref-sap location offset)))
- (unless (null-pointer-p instance)
- (if weak-p
- (ensure-proxy-instance class instance :weak t)
- (ensure-proxy-instance class (reference-foreign class instance))))))))
-
-
-(defclass static-struct-class (struct-class)
- ())
-
-(defmethod reference-foreign ((class static-struct-class) location)
- (declare (ignore class))
- location)
-
-(defmethod unreference-foreign ((class static-struct-class) location)
- (declare (ignore class location))
- nil)
-
-;;; Pseudo type for structs which are inlined in other objects
-
-(deftype inlined (type) type)
-
-(define-type-method size-of ((type inlined))
- (let ((class (second (type-expand-to 'inlined type))))
- (foreign-size class)))
-
-(define-type-method reader-function ((type inlined))
- (let ((class (second (type-expand-to 'inlined type))))
- #'(lambda (location &optional (offset 0) weak-p)
- (declare (ignore weak-p))
- (ensure-proxy-instance class
- (reference-foreign class (sap+ location offset))))))
-
-(define-type-method writer-function ((type inlined))
- (let ((class (second (type-expand-to 'inlined type))))
- #'(lambda (instance location &optional (offset 0))
- (copy-memory (foreign-location instance) (foreign-size class) (sap+ location offset)))))
-
-(define-type-method destroy-function ((type inlined))
- (declare (ignore type))
- #'(lambda (location &optional offset)
- (declare (ignore location offset))))
-
-
-(export 'inlined)
~mdw / clg / blobdiff