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;;;; Objective-CL, an Objective-C bridge for Common Lisp.
;;;; Copyright (C) 2007 Matthias Andreas Benkard.
;;;;
;;;; This program 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 3 of
;;;; the License, or (at your option) any later version.
;;;;
;;;; This program 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 program. If not, see
;;;; <http://www.gnu.org/licenses/>.
(in-package #:mulk.objective-cl)
(defvar *objcl-foreign-default-initform* (gensym))
(defclass foreign-slot-definition-mixin ()
((foreign-name :initarg :foreign-name
:initform nil
:accessor slot-definition-foreign-name
:type (or null string))
(foreign-type :initarg :foreign-type
:initform nil
:accessor slot-definition-foreign-type)
(foreign-slot :initarg :foreign-slot
:initform nil
:accessor slot-definition-foreign-slot)
#+#:unused
(property :initarg :property
:accessor slot-definition-property-p
:type boolean)))
(defclass foreign-direct-slot-definition
(foreign-slot-definition-mixin c2mop:standard-direct-slot-definition)
())
(defclass foreign-effective-slot-definition
(foreign-slot-definition-mixin c2mop:standard-effective-slot-definition)
())
(defmethod c2mop:validate-superclass ((class objective-c-meta-class)
(superclass standard-class))
t)
(defmethod c2mop:validate-superclass ((class objective-c-class)
(superclass standard-class))
t)
(defmethod c2mop:validate-superclass ((class objective-c-class)
(superclass objective-c-class))
t)
(defmethod c2mop:direct-slot-definition-class ((class objective-c-class)
&rest initargs)
(if (some #'(lambda (symbol) (let ((nada '#:nada))
(not (eq nada (getf initargs symbol nada)))))
'(:foreign-type :foreign-name :foreign-slot))
(find-class 'foreign-direct-slot-definition)
(find-class 'c2mop:standard-direct-slot-definition)))
(defmethod c2mop:effective-slot-definition-class ((class objective-c-class)
&rest initargs)
(if (some #'(lambda (symbol) (let ((nada '#:nada))
(not (eq nada (getf initargs symbol nada)))))
'(:foreign-type :foreign-name :foreign-slot))
(find-class 'foreign-effective-slot-definition)
(find-class 'c2mop:standard-effective-slot-definition)))
(defmethod c2mop:compute-effective-slot-definition ((class objective-c-class)
name
direct-slot-definitions)
(etypecase (first direct-slot-definitions)
(foreign-direct-slot-definition
(let ((direct-slot (first direct-slot-definitions)))
(with-accessors ((type c2mop:slot-definition-type)
(readers c2mop:slot-definition-readers)
(writers c2mop:slot-definition-writers)
(initargs c2mop:slot-definition-initargs)
(initform c2mop:slot-definition-initform)
(allocation c2mop:slot-definition-allocation)
(initfunction c2mop:slot-definition-initfunction)
(foreign-type slot-definition-foreign-type)
(foreign-name slot-definition-foreign-name)
(foreign-slot slot-definition-foreign-slot))
direct-slot
(make-instance 'foreign-effective-slot-definition
:type (or type t)
:name name
:readers (or readers nil)
:writers (or writers nil)
:initargs (or initargs nil)
:initform (or initform *objcl-foreign-default-initform*)
:location nil
:allocation (or allocation :instance)
:initfunction (or initfunction
#'(lambda ()
(or initform *objcl-foreign-default-initform*)))
:foreign-type foreign-type
:foreign-name foreign-name
:foreign-slot foreign-slot
:class class))))
(c2mop:standard-direct-slot-definition (call-next-method))))
(defmethod initialize-instance :after
((slot-definition foreign-effective-slot-definition)
&key foreign-name
foreign-slot
foreign-type
name
class
&allow-other-keys)
(when (and (not foreign-name) (not foreign-slot))
(setf foreign-name (slot-name->foreign-slot-name name)
(slot-value slot-definition 'foreign-name) foreign-name))
(cond ((and foreign-name foreign-slot))
(foreign-name
(setf foreign-slot
(or (find foreign-name
(mapcan #'objcl-class-direct-slots
(c2mop:compute-class-precedence-list
class))
:key #'objcl-slot-name
:test #'string=)
(error "There is no Objective-C slot named ~A in class ~A"
foreign-name
class))
(slot-value slot-definition 'foreign-slot) foreign-slot))
(foreign-slot
(setf foreign-name (objcl-slot-name foreign-slot)
(slot-value slot-definition 'foreign-name) foreign-name)))
(unless foreign-type
(setf (slot-value slot-definition 'foreign-type)
foreign-slot)))
(defmethod c2mop:slot-value-using-class ((class objective-c-class)
instance
(effective-slot-definition
foreign-effective-slot-definition))
(cerror "Continue" "FIXME"))
(defmethod (setf c2mop:slot-value-using-class) (value
(class objective-c-class)
instance
(effective-slot-definition
foreign-effective-slot-definition))
(unless (eq value *objcl-foreign-default-initform*)
(cerror "Continue" "FIXME")))
(defmethod c2mop:slot-boundp-using-class ((class objective-c-class)
instance
(effective-slot-definition
foreign-effective-slot-definition))
(declare (ignore instance)))
(defmethod c2mop:slot-makunbound-using-class ((class objective-c-class)
instance
effective-slot-definition)
(declare (ignore instance))
(etypecase effective-slot-definition
(c2mop:standard-effective-slot-definition (call-next-method))
(foreign-effective-slot-definition
(cerror "Continue without doing anything"
"Tried to SLOT-MAKUNBOUND a foreign slot"))))
(defmethod c2mop:compute-slots ((class objective-c-class))
;; FIXME: Maybe add lots of foreign slots here whose presence the
;; Objective-C runtime tells us.
(call-next-method))
(defmethod initialize-instance :around ((class objective-c-class)
&rest args
&key direct-slots
pointer
&allow-other-keys)
(let ((key-args (copy-list args)))
(dolist (objc-slot (objcl-class-direct-slots/pointer pointer))
(let ((slot-name
(intern (string-upcase (objcl-slot-name objc-slot))
(find-package '#:objective-c-classes))))
(when (notany #'(lambda (slot-definition)
(eql slot-name (car slot-definition)))
direct-slots)
(push (list
:name slot-name
:foreign-name (objcl-slot-name objc-slot)
:foreign-type (typespec->c-type
(parse-typespec
(objcl-slot-type objc-slot))))
(getf key-args :direct-slots)))))
(apply #'call-next-method class key-args)))
#+(or)
(defmethod make-instance ((class-name (eql 'objective-c-class)) &rest initargs)
(let ((class (call-next-method)))
class))
#+(or)
(defmethod c2mop:class-direct-superclasses ((class objective-c-class))
(list (objcl-class-superclass class)))
#+(or)
(defmethod shared-initialize :after ((class objective-c-class)
slot-names
&rest initargs)
)
(defmethod initialize-instance ((class objective-c-class)
&key documentation
name
plist
direct-superclasses
direct-slots
direct-default-initargs
pointer
wrapped-foreign-class)
(call-next-method))
(defmethod reinitialize-instance ((class objective-c-class)
&key documentation
name
plist
direct-superclasses
direct-slots
direct-default-initargs
pointer
wrapped-foreign-class)
(call-next-method))
(defmethod initialize-instance ((class objective-c-meta-class)
&key documentation
name
plist
direct-superclasses
direct-slots
direct-default-initargs
pointer)
(call-next-method))
(defmethod reinitialize-instance ((class objective-c-meta-class)
&key documentation
name
plist
direct-superclasses
direct-slots
direct-default-initargs
pointer)
(call-next-method))
#+(or)
(defmethod c2mop:compute-effective-slot-definition ((class objective-c-class)
slot-name
direct-slots)
(call-next-method))
#+(or)
(make-instance 'objective-c-class :wrapped-foreign-class "NSString")
#+(or)
(c2mop:ensure-class 'ns-string
:metaclass 'objective-c-class
:wrapped-foreign-class "NSString")
#+(or)
(defclass ns-string ()
((bla :foreign-type 'string
:foreign-name "_bla"
:accessor ns-string-bla)
(nothing :accessor ns-string-nothing
:initarg :ns-string
:initform 100))
(:metaclass objective-c-classes::+ns-string)
(:wrapped-foreign-class "NSString"))
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