--- /dev/null
+;; Common Lisp bindings for GTK+ v2.0
+;; Copyright (C) 2001 Espen S. Johnsen <esj@stud.cs.uit.no>
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 2 of the License, or (at your option) any later version.
+;;
+;; This library is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; Lesser General Public License for more details.
+;;
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+;; $Id: gboxed.lisp,v 1.1 2001-04-29 20:19:25 espen Exp $
+
+(in-package "GLIB")
+
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass boxed (alien-structure)
+ ()
+ (:metaclass proxy-class)))
+
+(defmethod initialize-proxy ((boxed boxed) &rest initargs
+ &key location weak-ref)
+ (declare (ignore initargs))
+ (setf
+ (slot-value boxed 'location)
+ (if weak-ref
+ (%boxed-copy (find-type-number (class-of boxed)) location)
+ location))
+ (call-next-method))
+
+(defmethod instance-finalizer ((boxed boxed))
+ (let ((location (proxy-location boxed))
+ (type-number (find-type-number (class-of boxed))))
+ (declare (type system-area-pointer location))
+ #'(lambda ()
+ (%boxed-free type-number location)
+ (remove-cached-instance location))))
+
+
+(deftype-method translate-to-alien boxed (type-spec boxed &optional weak-ref)
+ (if weak-ref
+ `(proxy-location ,boxed)
+ `(let ((boxed ,boxed))
+ (%boxed-copy
+ (find-type-number type-spec)
+ (proxy-location boxed)))))
+
+(deftype-method unreference-alien boxed (type-spec c-struct)
+ `(%boxed-free ,(find-type-number type-spec) ,c-struct))
+
+
+(defbinding %boxed-copy () pointer
+ (type type-number)
+ (location pointer))
+
+(defbinding %boxed-free () nil
+ (type type-number)
+ (location pointer))
+
+
+;;;; Metaclass for boxed classes
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass boxed-class (proxy-class)))
+
+
+(defmethod shared-initialize ((class boxed-class) names
+ &rest initargs
+ &key name alien-name type-init)
+ (declare (ignore initargs names))
+ (call-next-method)
+
+ (let* ((class-name (or name (class-name class)))
+ (type-number
+ (cond
+ ((and alien-name type-init)
+ (error
+ "Specify either :type-init or :alien-name for class ~A"
+ class-name))
+ (alien-name (type-number-from-alien-name (first alien-name)))
+ (type-init
+ (funcall (alien-function (first type-init) '(unsigned 32))))
+ (t
+ (or
+ (type-number-from-alien-name
+ (default-alien-type-name class-name) nil)
+ (funcall
+ (alien-function
+ (default-alien-fname (format nil "~A_get_type" class-name))
+ '(unsigned 32))))))))
+ (setf (find-type-number class) type-number)))
+
+
+(defmethod validate-superclass
+ ((class boxed-class) (super pcl::standard-class))
+ (subtypep (class-name super) 'boxed))
+
+
+;;;; Initializing type numbers
+
+(setf (alien-type-name 'boxed) "GBoxed")
--- /dev/null
+;; Common Lisp bindings for GTK+ v2.0
+;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no>
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 2 of the License, or (at your option) any later version.
+;;
+;; This library is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; Lesser General Public License for more details.
+;;
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+;; $Id: genums.lisp,v 1.1 2001-04-29 20:19:25 espen Exp $
+
+(in-package "GLIB")
+
+
+(defun %map-mappings (args op)
+ (let ((current-value 0))
+ (map
+ 'list
+ #'(lambda (mapping)
+ (destructuring-bind (symbol &optional (value current-value))
+ (mklist mapping)
+ (setf current-value (1+ value))
+ (case op
+ (:enum-int (list symbol value))
+ (:flags-int (list symbol value #|(ash 1 value)|#))
+ (:int-enum (list value symbol))
+ (:int-flags (list value #|(ash 1 value)|# symbol))
+ (:symbols symbol))))
+ (if (integerp (first args))
+ (rest args)
+ args))))
+
+
+;;;; Enum type
+
+(deftype enum (&rest args)
+ `(member ,@(%map-mappings args :symbols)))
+
+(deftype-method translate-type-spec enum (type-spec)
+ (let ((args (cdr (type-expand-to 'enum type-spec))))
+ (if (integerp (first args))
+ (translate-type-spec `(signed ,(first args)))
+ (translate-type-spec 'signed))))
+
+(deftype-method size-of enum (type-spec)
+ (let ((args (cdr (type-expand-to 'enum type-spec))))
+ (if (integerp (first args))
+ (size-of `(signed ,(first args)))
+ (size-of 'signed))))
+
+(deftype-method translate-to-alien enum (type-spec expr &optional weak-ref)
+ (declare (ignore weak-ref))
+ (let ((args (cdr (type-expand-to 'enum type-spec))))
+ `(ecase ,expr
+ ,@(%map-mappings args :enum-int))))
+
+(deftype-method translate-from-alien enum (type-spec expr &optional weak-ref)
+ (declare (ignore weak-ref))
+ (destructuring-bind (name &rest args) (type-expand-to 'enum type-spec)
+ (declare (ignore name))
+ `(ecase ,expr
+ ,@(%map-mappings args :int-enum))))
+
+(setf (alien-type-name 'enum) "GEnum")
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass %enum-value (alien-structure)
+ ((value :allocation :alien :type int)
+ (name :allocation :alien :type string)
+ (nickname :allocation :alien :type string))
+ (:metaclass proxy-class)))
+
+(defbinding %enum-class-values () (glist %enum-value)
+ (class pointer))
+
+(defun %query-enum-values (type-number)
+ (mapcar
+ #'(lambda (enum-value)
+ (list
+ (intern
+ (substitute
+ #\- #\_ (string-upcase (slot-value enum-value 'nickname))) "KEYWORD")
+ (slot-value enum-value 'value)))
+ (%enum-class-values (type-class-peek type-number))))
+
+(defun define-enum-by-query (init-fname &optional name)
+ (let ((type-number (type-init name init-fname)))
+ (unless (= (type-parent type-number) (find-type-number 'enum))
+ (error "~A is not an enum type" (alien-type-name type-number)))
+
+ (type-class-ref type-number)
+ (setf (find-type-number name) type-number)
+ (let ((expanded (cons 'enum (%query-enum-values type-number)))
+ (name (or name (default-type-name (alien-type-name type-number)))))
+ (lisp::%deftype
+ name
+ #'(lambda (whole)
+ (unless (zerop (length (cdr whole)))
+ (lisp::do-arg-count-error 'deftype name (cdr whole) nil 0 0))
+ expanded)))))
+
+
+;;;; Flags type
+
+(deftype flags (&rest args)
+ `(or
+ null
+ (cons
+ (member ,@(%map-mappings args :symbols))
+ list)))
+
+(deftype-method translate-type-spec flags (type-spec)
+ (let ((args (cdr (type-expand-to 'flags type-spec))))
+ (if (integerp (first args))
+ (translate-type-spec `(unsigned ,(first args)))
+ (translate-type-spec 'unsigned))))
+
+(deftype-method size-of flags (type-spec)
+ (let ((args (cdr (type-expand-to 'flags type-spec))))
+ (if (integerp (first args))
+ (size-of `(unsigned ,(first args)))
+ (size-of 'unsigned))))
+
+(deftype-method translate-to-alien flags (type-spec expr &optional weak-ref)
+ (declare (ignore weak-ref))
+ (destructuring-bind (name &rest args) (type-expand-to 'flags type-spec)
+ (declare (ignore name))
+ (let ((mappings (%map-mappings args :flags-int))
+ (value (make-symbol "VALUE")))
+ `(let ((,value 0))
+ (dolist (flag ,expr ,value)
+ (setq ,value (logior ,value (second (assoc flag ',mappings)))))))))
+
+(deftype-method translate-from-alien flags (type-spec expr &optional weak-ref)
+ (declare (ignore weak-ref))
+ (destructuring-bind (name &rest args) (type-expand-to 'flags type-spec)
+ (declare (ignore name))
+ (let ((mappings (%map-mappings args :int-flags))
+ (result (make-symbol "RESULT")))
+ `(let ((,result nil))
+ (dolist (mapping ',mappings ,result)
+ (unless (zerop (logand ,expr (first mapping)))
+ (push (second mapping) ,result)))))))
+
+(setf (alien-type-name 'flags) "GFlags")
+
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass %flags-value (alien-structure)
+ ((value :allocation :alien :type unsigned-int)
+ (name :allocation :alien :type string)
+ (nickname :allocation :alien :type string))
+ (:metaclass proxy-class)))
+
+(defbinding %flags-class-values () (glist %flags-value)
+ (class pointer))
+
+(defun %query-flags-values (type-number)
+ (mapcar
+ #'(lambda (flags-value)
+ (list
+ (intern
+ (substitute
+ #\- #\_ (string-upcase (slot-value flags-value 'nickname))) "KEYWORD")
+ (slot-value flags-value 'value)))
+ (%flags-class-values (type-class-peek type-number))))
+
+(defun define-flags-by-query (init-fname &optional name)
+ (let ((type-number (type-init nil init-fname)))
+ (unless (= (type-parent type-number) (find-type-number 'flags))
+ (error "~A is not a flags type" (alien-type-name type-number)))
+
+ (type-class-ref type-number)
+ (setf (find-type-number name) type-number)
+ (let ((expanded (cons 'flags (%query-flags-values type-number)))
+ (name (or name (default-type-name (alien-type-name type-number)))))
+ (lisp::%deftype
+ name
+ #'(lambda (whole)
+ (unless (zerop (length (cdr whole)))
+ (lisp::do-arg-count-error 'deftype name (cdr whole) nil 0 0))
+ expanded)))))
--- /dev/null
+;; Common Lisp bindings for GTK+ v2.0
+;; Copyright (C) 2000 Espen S. Johnsen <esj@stud.cs.uit.no>
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 2 of the License, or (at your option) any later version.
+;;
+;; This library is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; Lesser General Public License for more details.
+;;
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+;; $Id: proxy.lisp,v 1.1 2001-04-29 20:19:25 espen Exp $
+
+(in-package "GLIB")
+
+
+;;;; Superclass for all metaclasses implementing some sort of virtual slots
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass virtual-class (pcl::standard-class))
+
+ (defclass direct-virtual-slot-definition (standard-direct-slot-definition)
+ ((location
+ :reader slot-definition-location
+ :initarg :location)))
+
+ (defclass effective-virtual-slot-definition
+ (standard-effective-slot-definition)))
+
+
+(defmethod direct-slot-definition-class ((class virtual-class) initargs)
+ (if (eq (getf initargs :allocation) :virtual)
+ (find-class 'direct-virtual-slot-definition)
+ (call-next-method)))
+
+
+(defmethod effective-slot-definition-class ((class virtual-class) initargs)
+ (if (eq (getf initargs :allocation) :virtual)
+ (find-class 'effective-virtual-slot-definition)
+ (call-next-method)))
+
+
+(defun %direct-slot-definitions-slot-value (slotds slot &optional default)
+ (let ((slotd
+ (find-if
+ #'(lambda (slotd)
+ (and
+ (slot-exists-p slotd slot)
+ (slot-boundp slotd slot)))
+ slotds)))
+ (if slotd
+ (slot-value slotd slot)
+ default)))
+
+
+(defgeneric compute-virtual-slot-location (class slotd direct-slotds))
+
+(defmethod compute-virtual-slot-location
+ ((class virtual-class)
+ (slotd effective-virtual-slot-definition)
+ direct-slotds)
+ (let ((location
+ (%direct-slot-definitions-slot-value direct-slotds 'location)))
+ (if (and location (symbolp location))
+ (list location `(setf ,location))
+ location)))
+
+
+(defmethod compute-effective-slot-definition
+ ((class virtual-class) direct-slotds)
+ (let ((slotd (call-next-method)))
+ (when (typep slotd 'effective-virtual-slot-definition)
+ (setf
+ (slot-value slotd 'pcl::location)
+ (compute-virtual-slot-location class slotd direct-slotds)))
+ slotd))
+
+
+(defmethod slot-value-using-class
+ ((class virtual-class) (object standard-object)
+ (slotd effective-virtual-slot-definition))
+ (let ((reader (first (slot-definition-location slotd))))
+ (if reader
+ (funcall reader object)
+ (slot-unbound class object (slot-definition-name slotd)))))
+
+
+(defmethod slot-boundp-using-class
+ ((class virtual-class) (object standard-object)
+ (slotd effective-virtual-slot-definition))
+ (and (first (slot-definition-location slotd)) t))
+
+
+
+(defmethod (setf slot-value-using-class)
+ (value (class virtual-class) (object standard-object)
+ (slotd effective-virtual-slot-definition))
+ (let ((writer (second (slot-definition-location slotd))))
+ (cond
+ ((null writer)
+ (error
+ "Can't set read-only slot ~A in ~A"
+ (slot-definition-name slotd)
+ object))
+ ((or (functionp writer) (symbolp writer))
+ (funcall writer value object)
+ value)
+ (t
+ (funcall (fdefinition writer) value object)
+ value))))
+
+
+(defmethod validate-superclass
+ ((class virtual-class) (super pcl::standard-class))
+ t)
+
+
+;;;; Proxy cache
+
+(internal *instance-cache*)
+(defvar *instance-cache* (make-hash-table :test #'eql))
+
+(defun cache-instance (instance)
+ (setf
+ (gethash (system:sap-int (proxy-location instance)) *instance-cache*)
+ (ext:make-weak-pointer instance)))
+
+(defun find-cached-instance (location)
+ (let ((ref (gethash (system:sap-int location) *instance-cache*)))
+ (when ref
+ (ext:weak-pointer-value ref))))
+
+(defun remove-cached-instance (location)
+ (remhash (system:sap-int location) *instance-cache*))
+
+
+
+;;;; Proxy for alien instances
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass proxy ()
+ ((location
+ :reader proxy-location
+ :type system-area-pointer)))
+
+ (defgeneric initialize-proxy (object &rest initargs))
+ (defgeneric instance-finalizer (object)))
+
+
+(defmethod initialize-instance :after ((instance proxy)
+ &rest initargs &key)
+ (declare (ignore initargs))
+ (cache-instance instance)
+ (ext:finalize instance (instance-finalizer instance)))
+
+
+(defmethod initialize-proxy ((instance proxy)
+ &rest initargs)
+ (declare (ignore initargs))
+ (cache-instance instance))
+
+
+(defmethod instance-finalizer ((instance proxy))
+ (let ((location (proxy-location instance)))
+ #'(lambda ()
+ (remove-cached-instance location))))
+
+
+(deftype-method translate-type-spec proxy (type-spec)
+ (declare (ignore type-spec))
+ (translate-type-spec 'pointer))
+
+(deftype-method size-of proxy (type-spec)
+ (declare (ignore type-spec))
+ (size-of 'pointer))
+
+(deftype-method translate-from-alien
+ proxy (type-spec location &optional weak-ref)
+ `(let ((location ,location))
+ (unless (null-pointer-p location)
+ (ensure-proxy-instance ',type-spec location ,weak-ref))))
+
+
+
+;;;; Metaclass used for subclasses of proxy
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass proxy-class (virtual-class)
+ ((size :reader proxy-class-instance-size)))
+
+ (defclass direct-alien-slot-definition (direct-virtual-slot-definition)
+ ((allocation
+ :initform :alien)
+ (offset
+ :reader slot-definition-offset
+ :initarg :offset
+ :initform 0)))
+
+ (defclass effective-alien-slot-definition (effective-virtual-slot-definition)
+ ((offset :reader slot-definition-offset)))
+
+ (defclass effective-virtual-alien-slot-definition
+ (effective-virtual-slot-definition))
+
+
+ (defmethod most-specific-proxy-superclass ((class proxy-class))
+ (find-if
+ #'(lambda (class)
+ (subtypep (class-name class) 'proxy))
+ (cdr (pcl::compute-class-precedence-list class))))
+
+
+ (defmethod shared-initialize ((class proxy-class) names
+ &rest initargs &key size name)
+ (declare (ignore initargs))
+ (call-next-method)
+ (when size
+ (setf (slot-value class 'size) (first size))))
+
+
+ (defmethod shared-initialize :after ((class proxy-class) names
+ &rest initargs &key)
+ (declare (ignore initargs names))
+ (let* ((super (most-specific-proxy-superclass class))
+ (actual-size
+ (if (eq (class-name super) 'proxy)
+ 0
+ (proxy-class-instance-size super))))
+ (dolist (slotd (class-slots class))
+ (when (eq (slot-definition-allocation slotd) :alien)
+ (with-slots (offset type) slotd
+ (setq actual-size (max actual-size (+ offset (size-of type)))))))
+ (cond
+ ((not (slot-boundp class 'size))
+ (setf (slot-value class 'size) actual-size))
+ ((> actual-size (slot-value class 'size))
+ (warn "The actual size of class ~A is lager than specified" class)))))
+
+
+ (defmethod direct-slot-definition-class ((class proxy-class) initargs)
+ (case (getf initargs :allocation)
+ ((nil :alien) (find-class 'direct-alien-slot-definition))
+; (:instance (error "Allocation :instance not allowed in class ~A" class))
+ (t (call-next-method))))
+
+
+ (defmethod effective-slot-definition-class ((class proxy-class) initargs)
+ (case (getf initargs :allocation)
+ (:alien (find-class 'effective-alien-slot-definition))
+ (:virtual (find-class 'effective-virtual-alien-slot-definition))
+ (t (call-next-method))))
+
+
+ (defmethod compute-virtual-slot-location
+ ((class proxy-class) (slotd effective-alien-slot-definition)
+ direct-slotds)
+ (with-slots (offset type) slotd
+ (setf offset (%direct-slot-definitions-slot-value direct-slotds 'offset))
+ (let ((reader (intern-reader-function type))
+ (writer (intern-writer-function type))
+ (destroy (intern-destroy-function type)))
+ (list
+ #'(lambda (object)
+ (funcall reader (proxy-location object) offset))
+ #'(lambda (value object)
+ (let ((location (proxy-location object)))
+ (funcall destroy location offset)
+ (funcall writer value location offset)))))))
+
+
+ (defmethod compute-virtual-slot-location
+ ((class proxy-class)
+ (slotd effective-virtual-alien-slot-definition)
+ direct-slotds)
+ (let ((location (call-next-method)))
+ (if (or (stringp location) (consp location))
+ (destructuring-bind (reader &optional writer) (mklist location)
+ (with-slots (type) slotd
+ (list
+ (if (stringp reader)
+ (let* ((alien-type (translate-type-spec type))
+ (alien
+ (alien::%heap-alien
+ (alien::make-heap-alien-info
+ :type (alien::parse-alien-type
+ `(function ,alien-type system-area-pointer))
+ :sap-form (system:foreign-symbol-address reader))))
+ (translate-return-value
+ (intern-return-value-translator type)))
+ #'(lambda (object)
+ (funcall
+ translate-return-value
+ (alien-funcall
+ alien (proxy-location object)))))
+ reader)
+ (if (stringp writer)
+ (let* ((alien-type (translate-type-spec type))
+ (alien
+ (alien::%heap-alien
+ (alien::make-heap-alien-info
+ :type (alien::parse-alien-type
+ `(function
+ void system-area-pointer ,alien-type))
+ :sap-form (system:foreign-symbol-address writer))))
+ (translate-argument (intern-argument-translator type))
+ (cleanup (intern-cleanup-function type)))
+ #'(lambda (value object)
+ (let ((tmp (funcall translate-argument value))
+ (location (proxy-location object)))
+ (alien-funcall alien location tmp)
+ (funcall cleanup tmp))))
+ writer))))
+ location)))
+
+
+ (defmethod compute-slots ((class proxy-class))
+ ;; Translating the user supplied relative (to previous slot) offsets
+ ;; to absolute offsets.
+ ;; This code is broken and have to be fixed.
+ (with-slots (direct-slots) class
+ (let* ((super (most-specific-proxy-superclass class))
+ (slot-offset
+ (if (eq (class-name super) 'proxy)
+ 0
+ (proxy-class-instance-size super))))
+ (dolist (slotd direct-slots)
+ (when (eq (slot-definition-allocation slotd) :alien)
+ (with-slots (offset type) slotd
+ (setf
+ offset (+ slot-offset offset)
+ slot-offset (+ offset (size-of type)))))))
+
+ ;; Reverse the direct slot definitions so the effective slots
+ ;; will be in correct order.
+ (setf direct-slots (reverse direct-slots))
+ ;; This nreverse caused me so much frustration that I leave it
+ ;; here just as a reminder of what not to do.
+; (setf direct-slots (nreverse direct-slots))
+ )
+ (call-next-method))
+
+
+ (defmethod validate-superclass ((class proxy-class)
+ (super pcl::standard-class))
+ (subtypep (class-name super) 'proxy))
+
+ (defgeneric make-proxy-instance (class location weak-ref &rest initargs &key)))
+
+
+(defmethod make-proxy-instance ((class symbol) location weak-ref
+ &rest initargs &key)
+ (apply #'make-proxy-instance (find-class class) location weak-ref initargs))
+
+(defmethod make-proxy-instance ((class proxy-class) location weak-ref
+ &rest initargs &key)
+ (let ((instance (allocate-instance class)))
+ (apply
+ #'initialize-proxy
+ instance :location location :weak-ref weak-ref initargs)
+ instance))
+
+(defun ensure-proxy-instance (class location weak-ref &rest initargs)
+ (or
+ (find-cached-instance location)
+ (apply #'make-proxy-instance class location weak-ref initargs)))
+
+
+;;;; Superclass for wrapping of C structures
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass alien-structure (proxy)
+ ()
+ (:metaclass proxy-class)
+ (:size 0)))
+
+
+(defmethod initialize-instance ((structure alien-structure)
+ &rest initargs)
+ (declare (ignore initargs))
+ (setf
+ (slot-value structure 'location)
+ (allocate-memory (proxy-class-instance-size (class-of structure))))
+ (call-next-method))
+
+
+(defmethod initialize-proxy ((structure alien-structure)
+ &rest initargs &key location weak-ref)
+ (declare (ignore initargs))
+ (setf
+ (slot-value structure 'location)
+ (if weak-ref
+ (copy-memory location (proxy-class-instance-size (class-of structure)))
+ location))
+ (call-next-method))
+
+
+(defmethod instance-finalizer ((structure alien-structure))
+ (let ((location (proxy-location structure)))
+ (declare (type system-area-pointer location))
+ #'(lambda ()
+ (deallocate-memory location)
+ (remove-cached-instance location))))
+
+
+(deftype-method translate-to-alien
+ alien-structure (type-spec object &optional weak-ref)
+ (if weak-ref
+ `(proxy-location ,object)
+ `(copy-memory
+ (proxy-location ,object)
+ ,(proxy-class-instance-size (find-class type-spec)))))
+
+
+(deftype-method unreference-alien alien-structure (type-spec c-struct)
+ (declare (ignore type-spec))
+ `(deallocate-memory ,c-struct))
~mdw / clg / commitdiff