(in-package "SB-PCL")
\f
-(defmacro asv-funcall (sym slot-name type &rest args)
- (declare (ignore type))
- `(if (fboundp ',sym)
- (,sym ,@args)
- (no-slot ',sym ',slot-name)))
-
-(defun no-slot (sym slot-name)
- (error "No class has a slot named ~S (~S has no function binding)."
- slot-name sym))
+(defun ensure-accessor (type fun-name slot-name)
+ (labels ((slot-missing-fun (slot-name type)
+ (let* ((method-type (ecase type
+ (slot-value 'reader-method)
+ (setf 'writer-method)
+ (slot-boundp 'boundp-method)))
+ (initargs
+ (copy-tree
+ (ecase type
+ (slot-value
+ (make-method-function
+ (lambda (obj)
+ (values
+ (slot-missing (class-of obj) obj slot-name
+ 'slot-value)))))
+ (slot-boundp
+ (make-method-function
+ (lambda (obj)
+ (not (not
+ (slot-missing (class-of obj) obj slot-name
+ 'slot-boundp))))))
+ (setf
+ (make-method-function
+ (lambda (val obj)
+ (slot-missing (class-of obj) obj slot-name
+ 'setf val)
+ val)))))))
+ (setf (getf (getf initargs :plist) :slot-name-lists)
+ (list (list nil slot-name)))
+ (setf (getf (getf initargs :plist) :pv-table-symbol)
+ (gensym))
+ (list* :method-spec (list method-type 'slot-object slot-name)
+ initargs)))
+ (add-slot-missing-method (gf slot-name type)
+ (multiple-value-bind (class lambda-list specializers)
+ (ecase type
+ (slot-value
+ (values 'standard-reader-method
+ '(object)
+ (list *the-class-slot-object*)))
+ (slot-boundp
+ (values 'standard-boundp-method
+ '(object)
+ (list *the-class-slot-object*)))
+ (setf
+ (values 'standard-writer-method
+ '(new-value object)
+ (list *the-class-t* *the-class-slot-object*))))
+ (add-method gf (make-a-method class
+ ()
+ lambda-list
+ specializers
+ (slot-missing-fun slot-name type)
+ "generated slot-missing method"
+ slot-name)))))
+ (unless (fboundp fun-name)
+ (let ((gf (ensure-generic-function
+ fun-name
+ :lambda-list (ecase type
+ ((reader boundp) '(object))
+ (writer '(new-value object))))))
+ (ecase type
+ (reader (add-slot-missing-method gf slot-name 'slot-value))
+ (boundp (add-slot-missing-method gf slot-name 'slot-boundp))
+ (writer (add-slot-missing-method gf slot-name 'setf)))
+ (setf (plist-value gf 'slot-missing-method) t))
+ t)))
(defmacro accessor-slot-value (object slot-name)
- (unless (constantp slot-name)
- (error "~S requires its slot-name argument to be a constant"
- 'accessor-slot-value))
+ (aver (constantp slot-name))
(let* ((slot-name (eval slot-name))
- (sym (slot-reader-symbol slot-name)))
- `(asv-funcall ,sym ,slot-name reader ,object)))
+ (reader-name (slot-reader-name slot-name)))
+ `(let ((.ignore. (load-time-value
+ (ensure-accessor 'reader ',reader-name ',slot-name))))
+ (declare (ignore .ignore.))
+ (truly-the (values t &optional)
+ (funcall #',reader-name ,object)))))
(defmacro accessor-set-slot-value (object slot-name new-value &environment env)
- (unless (constantp slot-name)
- (error "~S requires its slot-name argument to be a constant"
- 'accessor-set-slot-value))
+ (aver (constantp slot-name))
(setq object (macroexpand object env))
(setq slot-name (macroexpand slot-name env))
(let* ((slot-name (eval slot-name))
(let ((object-var (gensym)))
(prog1 `((,object-var ,object))
(setq object object-var)))))
- (sym (slot-writer-symbol slot-name))
- (form `(asv-funcall ,sym ,slot-name writer ,new-value ,object)))
+ (writer-name (slot-writer-name slot-name))
+ (form
+ `(let ((.ignore.
+ (load-time-value
+ (ensure-accessor 'writer ',writer-name ',slot-name)))
+ (.new-value. ,new-value))
+ (declare (ignore .ignore.))
+ (funcall #',writer-name .new-value. ,object)
+ .new-value.)))
(if bindings
`(let ,bindings ,form)
form)))
(defmacro accessor-slot-boundp (object slot-name)
- (unless (constantp slot-name)
- (error "~S requires its slot-name argument to be a constant"
- 'accessor-slot-boundp))
- (let ((slot-name (eval slot-name)))
- `(slot-boundp-normal ,object ',slot-name)))
+ (aver (constantp slot-name))
+ (let* ((slot-name (eval slot-name))
+ (boundp-name (slot-boundp-name slot-name)))
+ `(let ((.ignore. (load-time-value
+ (ensure-accessor 'boundp ',boundp-name ',slot-name))))
+ (declare (ignore .ignore.))
+ (funcall #',boundp-name ,object))))
(defun make-structure-slot-boundp-function (slotd)
- (lambda (object) (declare (ignore object)) t))
+ (declare (ignore slotd))
+ (lambda (object)
+ (declare (ignore object))
+ t))
(defun get-optimized-std-accessor-method-function (class slotd name)
- (if (structure-class-p class)
- (ecase name
- (reader (slot-definition-internal-reader-function slotd))
- (writer (slot-definition-internal-writer-function slotd))
- (boundp (make-structure-slot-boundp-function slotd)))
- (let* ((fsc-p (cond ((standard-class-p class) nil)
- ((funcallable-standard-class-p class) t)
- ((std-class-p class)
- ;; Shouldn't be using the optimized-std-accessors
- ;; in this case.
- #+nil (format t "* warning: ~S ~S~% ~S~%"
- name slotd class)
- nil)
- (t (error "~S is not a STANDARD-CLASS." class))))
- (slot-name (slot-definition-name slotd))
- (index (slot-definition-location slotd))
- (function (ecase name
- (reader #'make-optimized-std-reader-method-function)
- (writer #'make-optimized-std-writer-method-function)
- (boundp #'make-optimized-std-boundp-method-function)))
- (value (funcall function fsc-p slot-name index)))
- (declare (type function function))
- (values value index))))
+ (cond
+ ((structure-class-p class)
+ (ecase name
+ (reader (slot-definition-internal-reader-function slotd))
+ (writer (slot-definition-internal-writer-function slotd))
+ (boundp (make-structure-slot-boundp-function slotd))))
+ ((condition-class-p class)
+ (ecase name
+ (reader (slot-definition-reader-function slotd))
+ (writer (slot-definition-writer-function slotd))
+ (boundp (slot-definition-boundp-function slotd))))
+ (t
+ (let* ((fsc-p (cond ((standard-class-p class) nil)
+ ((funcallable-standard-class-p class) t)
+ ((std-class-p class)
+ ;; Shouldn't be using the optimized-std-accessors
+ ;; in this case.
+ #+nil (format t "* warning: ~S ~S~% ~S~%"
+ name slotd class)
+ nil)
+ (t (error "~S is not a STANDARD-CLASS." class))))
+ (slot-name (slot-definition-name slotd))
+ (index (slot-definition-location slotd))
+ (function (ecase name
+ (reader #'make-optimized-std-reader-method-function)
+ (writer #'make-optimized-std-writer-method-function)
+ (boundp #'make-optimized-std-boundp-method-function)))
+ (value (funcall function fsc-p slot-name index)))
+ (declare (type function function))
+ (values value index)))))
(defun make-optimized-std-reader-method-function (fsc-p slot-name index)
(declare #.*optimize-speed*)
(set-fun-name
(etypecase index
- (fixnum (if fsc-p
- (lambda (instance)
- (check-obsolete-instance instance)
- (let ((value (clos-slots-ref (fsc-instance-slots instance)
- index)))
- (if (eq value +slot-unbound+)
- (slot-unbound (class-of instance) instance slot-name)
- value)))
- (lambda (instance)
- (check-obsolete-instance instance)
- (let ((value (clos-slots-ref (std-instance-slots instance)
- index)))
- (if (eq value +slot-unbound+)
- (slot-unbound (class-of instance) instance slot-name)
- value)))))
- (cons (lambda (instance)
- (check-obsolete-instance instance)
- (let ((value (cdr index)))
- (if (eq value +slot-unbound+)
- (slot-unbound (class-of instance) instance slot-name)
- value)))))
+ (fixnum
+ (if fsc-p
+ (lambda (instance)
+ (check-obsolete-instance instance)
+ (let ((value (clos-slots-ref (fsc-instance-slots instance) index)))
+ (if (eq value +slot-unbound+)
+ (values
+ (slot-unbound (class-of instance) instance slot-name))
+ value)))
+ (lambda (instance)
+ (check-obsolete-instance instance)
+ (let ((value (clos-slots-ref (std-instance-slots instance) index)))
+ (if (eq value +slot-unbound+)
+ (values
+ (slot-unbound (class-of instance) instance slot-name))
+ value)))))
+ (cons
+ (lambda (instance)
+ (check-obsolete-instance instance)
+ (let ((value (cdr index)))
+ (if (eq value +slot-unbound+)
+ (values (slot-unbound (class-of instance) instance slot-name))
+ value))))
+ (null
+ (lambda (instance)
+ ;; maybe MOP-ERROR? You get here by making effective slot
+ ;; definitions with :ALLOCATION not :INSTANCE or :CLASS, and
+ ;; not defining any methods on SLOT-VALUE-USING-CLASS.
+ (error "~S called on ~S for the slot ~S (with no location information)"
+ 'slot-value instance slot-name))))
`(reader ,slot-name)))
(defun make-optimized-std-writer-method-function (fsc-p slot-name index)
nv))))
(cons (lambda (nv instance)
(check-obsolete-instance instance)
- (setf (cdr index) nv))))
+ (setf (cdr index) nv)))
+ (null
+ (lambda (nv instance)
+ (declare (ignore nv))
+ ;; again, maybe MOP-ERROR (see above)
+ (error "~S called on ~S for the slot ~S (with no location information)"
+ '(setf slot-value) instance slot-name))))
`(writer ,slot-name)))
(defun make-optimized-std-boundp-method-function (fsc-p slot-name index)
+slot-unbound+)))))
(cons (lambda (instance)
(check-obsolete-instance instance)
- (not (eq (cdr index) +slot-unbound+)))))
+ (not (eq (cdr index) +slot-unbound+))))
+ (null
+ (lambda (instance)
+ (error "~S called on ~S for the slot ~S (with no location information)"
+ 'slot-boundp instance slot-name))))
`(boundp ,slot-name)))
(defun make-optimized-structure-slot-value-using-class-method-function (function)
(declare (ignore class object slotd))
t))
-(defun get-optimized-std-slot-value-using-class-method-function (class
- slotd
- name)
- (if (structure-class-p class)
- (ecase name
- (reader (make-optimized-structure-slot-value-using-class-method-function
- (slot-definition-internal-reader-function slotd)))
- (writer (make-optimized-structure-setf-slot-value-using-class-method-function
- (slot-definition-internal-writer-function slotd)))
- (boundp (make-optimized-structure-slot-boundp-using-class-method-function)))
- (let* ((fsc-p (cond ((standard-class-p class) nil)
- ((funcallable-standard-class-p class) t)
- (t (error "~S is not a standard-class" class))))
- (slot-name (slot-definition-name slotd))
- (index (slot-definition-location slotd))
- (function
- (ecase name
- (reader
- #'make-optimized-std-slot-value-using-class-method-function)
- (writer
- #'make-optimized-std-setf-slot-value-using-class-method-function)
- (boundp
- #'make-optimized-std-slot-boundp-using-class-method-function))))
- (declare (type function function))
- (values (funcall function fsc-p slot-name index) index))))
+(defun get-optimized-std-slot-value-using-class-method-function
+ (class slotd name)
+ (cond
+ ((structure-class-p class)
+ (ecase name
+ (reader (make-optimized-structure-slot-value-using-class-method-function
+ (slot-definition-internal-reader-function slotd)))
+ (writer (make-optimized-structure-setf-slot-value-using-class-method-function
+ (slot-definition-internal-writer-function slotd)))
+ (boundp (make-optimized-structure-slot-boundp-using-class-method-function))))
+ ((condition-class-p class)
+ (ecase name
+ (reader
+ (let ((fun (slot-definition-reader-function slotd)))
+ (declare (type function fun))
+ (lambda (class object slotd)
+ (declare (ignore class slotd))
+ (funcall fun object))))
+ (writer
+ (let ((fun (slot-definition-writer-function slotd)))
+ (declare (type function fun))
+ (lambda (new-value class object slotd)
+ (declare (ignore class slotd))
+ (funcall fun new-value object))))
+ (boundp
+ (let ((fun (slot-definition-boundp-function slotd)))
+ (declare (type function fun))
+ (lambda (class object slotd)
+ (declare (ignore class slotd))
+ (funcall fun object))))))
+ (t
+ (let* ((fsc-p (cond ((standard-class-p class) nil)
+ ((funcallable-standard-class-p class) t)
+ (t (error "~S is not a standard-class" class))))
+ (slot-name (slot-definition-name slotd))
+ (index (slot-definition-location slotd))
+ (function
+ (ecase name
+ (reader
+ #'make-optimized-std-slot-value-using-class-method-function)
+ (writer
+ #'make-optimized-std-setf-slot-value-using-class-method-function)
+ (boundp
+ #'make-optimized-std-slot-boundp-using-class-method-function))))
+ (declare (type function function))
+ (values (funcall function fsc-p slot-name index) index)))))
(defun make-optimized-std-slot-value-using-class-method-function
(fsc-p slot-name index)
(let ((value (clos-slots-ref (fsc-instance-slots instance)
index)))
(if (eq value +slot-unbound+)
- (slot-unbound class instance slot-name)
+ (values (slot-unbound class instance slot-name))
value)))
(lambda (class instance slotd)
(declare (ignore slotd))
(let ((value (clos-slots-ref (std-instance-slots instance)
index)))
(if (eq value +slot-unbound+)
- (slot-unbound class instance slot-name)
+ (values (slot-unbound class instance slot-name))
value)))))
(cons (lambda (class instance slotd)
(declare (ignore slotd))
(check-obsolete-instance instance)
(let ((value (cdr index)))
(if (eq value +slot-unbound+)
- (slot-unbound class instance slot-name)
- value))))))
+ (values (slot-unbound class instance slot-name))
+ value))))
+ (null
+ (lambda (class instance slotd)
+ ;; FIXME: MOP-ERROR
+ (error "Standard ~S method called on arguments ~S."
+ 'slot-value-using-class (list class instance slotd))))))
(defun make-optimized-std-setf-slot-value-using-class-method-function
(fsc-p slot-name index)
(cons (lambda (nv class instance slotd)
(declare (ignore class slotd))
(check-obsolete-instance instance)
- (setf (cdr index) nv)))))
+ (setf (cdr index) nv)))
+ (null (lambda (nv class instance slotd)
+ (error "Standard ~S method called on arguments ~S."
+ '(setf slot-value-using-class)
+ (list nv class instance slotd))))))
(defun make-optimized-std-slot-boundp-using-class-method-function
(fsc-p slot-name index)
(cons (lambda (class instance slotd)
(declare (ignore class slotd))
(check-obsolete-instance instance)
- (not (eq (cdr index) +slot-unbound+))))))
+ (not (eq (cdr index) +slot-unbound+))))
+ (null (lambda (class instance slotd)
+ (error "Standard ~S method called on arguments ~S."
+ 'slot-boundp-using-class (list class instance slotd))))))
(defun get-accessor-from-svuc-method-function (class slotd sdfun name)
(macrolet ((emf-funcall (emf &rest args)
(let ((value (clos-slots-ref (get-slots instance)
index)))
(if (eq value +slot-unbound+)
- (slot-unbound (class-of instance)
- instance
- slot-name)
+ (values (slot-unbound (class-of instance)
+ instance
+ slot-name))
value)))
(cons
(let ((value (cdr index)))
(if (eq value +slot-unbound+)
- (slot-unbound (class-of instance)
- instance
- slot-name)
+ (values (slot-unbound (class-of instance)
+ instance
+ slot-name))
value)))
(t
(error "~@<The wrapper for class ~S does not have ~
initargs)))
(defun initialize-internal-slot-gfs (slot-name &optional type)
- (when (or (null type) (eq type 'reader))
- (let* ((name (slot-reader-symbol slot-name))
- (gf (ensure-generic-function name)))
- (unless (generic-function-methods gf)
- (add-reader-method *the-class-slot-object* gf slot-name))))
- (when (or (null type) (eq type 'writer))
- (let* ((name (slot-writer-symbol slot-name))
- (gf (ensure-generic-function name)))
- (unless (generic-function-methods gf)
- (add-writer-method *the-class-slot-object* gf slot-name))))
- nil)
-
-(defun initialize-internal-slot-gfs* (readers writers boundps)
- (dolist (reader readers)
- (initialize-internal-slot-gfs reader 'reader))
- (dolist (writer writers)
- (initialize-internal-slot-gfs writer 'writer))
- (dolist (boundp boundps)
- (initialize-internal-slot-gfs boundp 'boundp)))
+ (macrolet ((frob (type name-fun add-fun ll)
+ `(when (or (null type) (eq type ',type))
+ (let* ((name (,name-fun slot-name))
+ (gf (ensure-generic-function name
+ :lambda-list ',ll))
+ (methods (generic-function-methods gf)))
+ (when (or (null methods)
+ (plist-value gf 'slot-missing-method))
+ (setf (plist-value gf 'slot-missing-method) nil)
+ (,add-fun *the-class-slot-object* gf slot-name))))))
+ (frob reader slot-reader-name add-reader-method (object))
+ (frob writer slot-writer-name add-writer-method (new-value object))
+ (frob boundp slot-boundp-name add-boundp-method (object))))