(define-condition unbound-slot (cell-error)
((instance :reader unbound-slot-instance :initarg :instance)
(slot :reader unbound-slot-slot :initarg :slot))
- (:report (lambda(condition stream)
- (format stream "The slot ~S is unbound in the object ~S"
+ (:report (lambda (condition stream)
+ (format stream "The slot ~S is unbound in the object ~S."
(unbound-slot-slot condition)
(unbound-slot-instance condition)))))
(error "unrecognized instance type"))))
(defun swap-wrappers-and-slots (i1 i2)
- (without-interrupts
+ (sb-sys:without-interrupts
(cond ((std-instance-p i1)
(let ((w1 (std-instance-wrapper i1))
(s1 (std-instance-slots i1)))
(let ((entry (assoc slot-name (wrapper-class-slots wrapper))))
(if (null entry)
(slot-missing (wrapper-class wrapper) object slot-name 'slot-value)
- (if (eq (cdr entry) *slot-unbound*)
+ (if (eq (cdr entry) +slot-unbound+)
(slot-unbound (wrapper-class wrapper) object slot-name)
(cdr entry)))))
(let* ((class (class-of object))
(slot-definition (find-slot-definition class slot-name)))
(if (null slot-definition)
- (slot-missing class object slot-name 'setf)
+ (slot-missing class object slot-name 'setf new-value)
(setf (slot-value-using-class class object slot-definition)
new-value))))
(setf (gdefinition 'set-slot-value-normal) #'set-slot-value)
-(define-compiler-macro set-slot-value (object-form slot-name-form new-value-form)
+(define-compiler-macro set-slot-value (object-form
+ slot-name-form
+ new-value-form)
(if (and (constantp slot-name-form)
(let ((slot-name (eval slot-name-form)))
(and (symbolp slot-name) (symbol-package slot-name))))
`(accessor-set-slot-value ,object-form ,slot-name-form ,new-value-form)
`(set-slot-value-normal ,object-form ,slot-name-form ,new-value-form)))
-(defconstant *optimize-slot-boundp* nil)
-
(defun slot-boundp (object slot-name)
(let* ((class (class-of object))
(slot-definition (find-slot-definition class slot-name)))
default))
\f
(defun standard-instance-access (instance location)
- (%instance-ref (std-instance-slots instance) location))
+ (clos-slots-ref (std-instance-slots instance) location))
(defun funcallable-standard-instance-access (instance location)
- (%instance-ref (fsc-instance-slots instance) location))
+ (clos-slots-ref (fsc-instance-slots instance) location))
(defmethod slot-value-using-class ((class std-class)
(object std-object)
(value (typecase location
(fixnum
(cond ((std-instance-p object)
- ;; FIXME: EQ T (WRAPPER-STATE ..) is better done
- ;; through INVALID-WRAPPER-P (here and below).
- (unless (eq 't (wrapper-state (std-instance-wrapper object)))
+ (when (invalid-wrapper-p (std-instance-wrapper
+ object))
(check-wrapper-validity object))
- (%instance-ref (std-instance-slots object) location))
+ (clos-slots-ref (std-instance-slots object)
+ location))
((fsc-instance-p object)
- (unless (eq 't (wrapper-state (fsc-instance-wrapper object)))
+ (when (invalid-wrapper-p (fsc-instance-wrapper
+ object))
(check-wrapper-validity object))
- (%instance-ref (fsc-instance-slots object) location))
+ (clos-slots-ref (fsc-instance-slots object)
+ location))
(t (error "unrecognized instance type"))))
(cons
(cdr location))
(t
- (error "The slot ~S has neither :INSTANCE nor :CLASS allocation, ~@
- so it can't be read by the default ~S method."
+ (error "~@<The slot ~S has neither :INSTANCE nor :CLASS ~
+ allocation, so it can't be read by the default ~
+ ~S method.~@:>"
slotd 'slot-value-using-class)))))
- (if (eq value *slot-unbound*)
+ (if (eq value +slot-unbound+)
(slot-unbound class object (slot-definition-name slotd))
value)))
(typecase location
(fixnum
(cond ((std-instance-p object)
- (unless (eq 't (wrapper-state (std-instance-wrapper object)))
+ (when (invalid-wrapper-p (std-instance-wrapper object))
(check-wrapper-validity object))
- (setf (%instance-ref (std-instance-slots object) location) new-value))
+ (setf (clos-slots-ref (std-instance-slots object) location)
+ new-value))
((fsc-instance-p object)
- (unless (eq 't (wrapper-state (fsc-instance-wrapper object)))
+ (when (invalid-wrapper-p (fsc-instance-wrapper object))
(check-wrapper-validity object))
- (setf (%instance-ref (fsc-instance-slots object) location) new-value))
+ (setf (clos-slots-ref (fsc-instance-slots object) location)
+ new-value))
(t (error "unrecognized instance type"))))
(cons
(setf (cdr location) new-value))
(t
- (error "The slot ~S has neither :INSTANCE nor :CLASS allocation, ~@
- so it can't be written by the default ~S method."
+ (error "~@<The slot ~S has neither :INSTANCE nor :CLASS allocation, ~
+ so it can't be written by the default ~S method.~:@>"
slotd '(setf slot-value-using-class))))))
(defmethod slot-boundp-using-class
(value (typecase location
(fixnum
(cond ((std-instance-p object)
- (unless (eq 't (wrapper-state (std-instance-wrapper object)))
+ (when (invalid-wrapper-p (std-instance-wrapper
+ object))
(check-wrapper-validity object))
- (%instance-ref (std-instance-slots object) location))
+ (clos-slots-ref (std-instance-slots object)
+ location))
((fsc-instance-p object)
- (unless (eq 't (wrapper-state (fsc-instance-wrapper object)))
+ (when (invalid-wrapper-p (fsc-instance-wrapper
+ object))
(check-wrapper-validity object))
- (%instance-ref (fsc-instance-slots object) location))
+ (clos-slots-ref (fsc-instance-slots object)
+ location))
(t (error "unrecognized instance type"))))
(cons
(cdr location))
(t
- (error "The slot ~S has neither :INSTANCE nor :CLASS allocation, ~@
- so it can't be read by the default ~S method."
+ (error "~@<The slot ~S has neither :INSTANCE nor :CLASS ~
+ allocation, so it can't be read by the default ~S ~
+ method.~@:>"
slotd 'slot-boundp-using-class)))))
- (not (eq value *slot-unbound*))))
+ (not (eq value +slot-unbound+))))
(defmethod slot-makunbound-using-class
((class std-class)
(typecase location
(fixnum
(cond ((std-instance-p object)
- (unless (eq 't (wrapper-state (std-instance-wrapper object)))
+ (when (invalid-wrapper-p (std-instance-wrapper object))
(check-wrapper-validity object))
- (setf (%instance-ref (std-instance-slots object) location) *slot-unbound*))
+ (setf (clos-slots-ref (std-instance-slots object) location)
+ +slot-unbound+))
((fsc-instance-p object)
- (unless (eq 't (wrapper-state (fsc-instance-wrapper object)))
+ (when (invalid-wrapper-p (fsc-instance-wrapper object))
(check-wrapper-validity object))
- (setf (%instance-ref (fsc-instance-slots object) location) *slot-unbound*))
+ (setf (clos-slots-ref (fsc-instance-slots object) location)
+ +slot-unbound+))
(t (error "unrecognized instance type"))))
(cons
- (setf (cdr location) *slot-unbound*))
+ (setf (cdr location) +slot-unbound+))
(t
- (error "The slot ~S has neither :INSTANCE nor :CLASS allocation, ~@
- so it can't be written by the default ~S method."
+ (error "~@<The slot ~S has neither :INSTANCE nor :CLASS allocation, ~
+ so it can't be written by the default ~S method.~@:>"
slotd 'slot-makunbound-using-class))))
nil)
(let* ((function (slot-definition-internal-reader-function slotd))
(value (funcall function object)))
(declare (type function function))
- (if (eq value *slot-unbound*)
+ (if (eq value +slot-unbound+)
(slot-unbound class object (slot-definition-name slotd))
value)))
\f
(defmethod slot-missing
((class t) instance slot-name operation &optional new-value)
- (error "When attempting to ~A,~%the slot ~S is missing from the object ~S."
+ (error "~@<When attempting to ~A, the slot ~S is missing from the ~
+ object ~S.~@:>"
(ecase operation
(slot-value "read the slot's value (slot-value)")
(setf (format nil
- "set the slot's value to ~S (setf of slot-value)"
+ "set the slot's value to ~S (SETF of SLOT-VALUE)"
new-value))
- (slot-boundp "test to see whether slot is bound (slot-boundp)")
- (slot-makunbound "make the slot unbound (slot-makunbound)"))
+ (slot-boundp "test to see whether slot is bound (SLOT-BOUNDP)")
+ (slot-makunbound "make the slot unbound (SLOT-MAKUNBOUND)"))
slot-name
instance))