(defmethod class-predicate-name ((class t))
'constantly-nil)
+(defun fix-super (s)
+ (cond ((classp s) s)
+ ((not (legal-class-name-p s))
+ (error "~S is not a class or a legal class name." s))
+ (t
+ (or (find-class s nil)
+ (setf (find-class s)
+ (make-instance 'forward-referenced-class
+ :name s))))))
+
(defun ensure-class-values (class args)
(let* ((initargs (copy-list args))
(unsupplied (list 1))
*the-class-standard-class*)
(t
(class-of class)))))
- (flet ((fix-super (s)
- (cond ((classp s) s)
- ((not (legal-class-name-p s))
- (error "~S is not a class or a legal class name." s))
- (t
- (or (find-class s nil)
- (setf (find-class s)
- (make-instance 'forward-referenced-class
- :name s)))))))
- (loop (unless (remf initargs :metaclass) (return)))
- (loop (unless (remf initargs :direct-superclasses) (return)))
- (loop (unless (remf initargs :direct-slots) (return)))
- (values meta
- (list* :direct-superclasses
- (and (neq supplied-supers unsupplied)
- (mapcar #'fix-super supplied-supers))
- :direct-slots
- (and (neq supplied-slots unsupplied) supplied-slots)
- initargs)))))
+ (loop (unless (remf initargs :metaclass) (return)))
+ (loop (unless (remf initargs :direct-superclasses) (return)))
+ (loop (unless (remf initargs :direct-slots) (return)))
+ (values meta
+ (list* :direct-superclasses
+ (and (neq supplied-supers unsupplied)
+ (mapcar #'fix-super supplied-supers))
+ :direct-slots
+ (and (neq supplied-slots unsupplied) supplied-slots)
+ initargs))))
\f
(defmethod shared-initialize :after
(unless (eq allocation :instance)
(error "Structure slots must have :INSTANCE allocation.")))
+(defun make-structure-class-defstruct-form
+ (name direct-slots include)
+ (let* ((conc-name (intern (format nil "~S structure class " name)))
+ (constructor (intern (format nil "~A constructor" conc-name)))
+ (defstruct `(defstruct (,name
+ ,@(when include
+ `((:include ,(class-name include))))
+ (:print-function print-std-instance)
+ (:predicate nil)
+ (:conc-name ,conc-name)
+ (:constructor ,constructor ())
+ (:copier nil))
+ ,@(mapcar (lambda (slot)
+ `(,(slot-definition-name slot)
+ +slot-unbound+))
+ direct-slots)))
+ (reader-names (mapcar (lambda (slotd)
+ (intern (format nil
+ "~A~A reader"
+ conc-name
+ (slot-definition-name
+ slotd))))
+ direct-slots))
+ (writer-names (mapcar (lambda (slotd)
+ (intern (format nil
+ "~A~A writer"
+ conc-name
+ (slot-definition-name
+ slotd))))
+ direct-slots))
+ (readers-init
+ (mapcar (lambda (slotd reader-name)
+ (let ((accessor
+ (slot-definition-defstruct-accessor-symbol
+ slotd)))
+ `(defun ,reader-name (obj)
+ (declare (type ,name obj))
+ (,accessor obj))))
+ direct-slots reader-names))
+ (writers-init
+ (mapcar (lambda (slotd writer-name)
+ (let ((accessor
+ (slot-definition-defstruct-accessor-symbol
+ slotd)))
+ `(defun ,writer-name (nv obj)
+ (declare (type ,name obj))
+ (setf (,accessor obj) nv))))
+ direct-slots writer-names))
+ (defstruct-form
+ `(progn
+ ,defstruct
+ ,@readers-init ,@writers-init
+ (cons nil nil))))
+ (values defstruct-form constructor reader-names writer-names)))
+
(defmethod shared-initialize :after
((class structure-class)
slot-names
direct-slots)))
(setq direct-slots (slot-value class 'direct-slots)))
(when defstruct-p
- (let* ((include (car (slot-value class 'direct-superclasses)))
- (conc-name (intern (format nil "~S structure class " name)))
- (constructor (intern (format nil "~A constructor" conc-name)))
- (defstruct `(defstruct (,name
- ,@(when include
- `((:include ,(class-name include))))
- (:print-function print-std-instance)
- (:predicate nil)
- (:conc-name ,conc-name)
- (:constructor ,constructor ())
- (:copier nil))
- ,@(mapcar (lambda (slot)
- `(,(slot-definition-name slot)
- +slot-unbound+))
- direct-slots)))
- (reader-names (mapcar (lambda (slotd)
- (intern (format nil
- "~A~A reader"
- conc-name
- (slot-definition-name
- slotd))))
- direct-slots))
- (writer-names (mapcar (lambda (slotd)
- (intern (format nil
- "~A~A writer"
- conc-name
- (slot-definition-name
- slotd))))
- direct-slots))
- (readers-init
- (mapcar (lambda (slotd reader-name)
- (let ((accessor
- (slot-definition-defstruct-accessor-symbol
- slotd)))
- `(defun ,reader-name (obj)
- (declare (type ,name obj))
- (,accessor obj))))
- direct-slots reader-names))
- (writers-init
- (mapcar (lambda (slotd writer-name)
- (let ((accessor
- (slot-definition-defstruct-accessor-symbol
- slotd)))
- `(defun ,writer-name (nv obj)
- (declare (type ,name obj))
- (setf (,accessor obj) nv))))
- direct-slots writer-names))
- (defstruct-form
- `(progn
- ,defstruct
- ,@readers-init ,@writers-init
- (cons nil nil))))
- (unless (structure-type-p name) (eval defstruct-form))
- (mapc #'(lambda (dslotd reader-name writer-name)
- (let* ((reader (gdefinition reader-name))
- (writer (when (gboundp writer-name)
- (gdefinition writer-name))))
- (setf (slot-value dslotd 'internal-reader-function)
- reader)
- (setf (slot-value dslotd 'internal-writer-function)
- writer)))
- direct-slots reader-names writer-names)
- (setf (slot-value class 'defstruct-form) defstruct-form)
- (setf (slot-value class 'defstruct-constructor) constructor))))
- (add-direct-subclasses class direct-superclasses)
- (setf (slot-value class 'class-precedence-list)
- (compute-class-precedence-list class))
- (setf (slot-value class 'slots) (compute-slots class))
- (let ((lclass (cl:find-class (class-name class))))
- (setf (sb-kernel:class-pcl-class lclass) class)
- (setf (slot-value class 'wrapper) (sb-kernel:class-layout lclass)))
- (update-pv-table-cache-info class)
- (setq predicate-name (if predicate-name-p
+ (let ((include (car (slot-value class 'direct-superclasses))))
+ (multiple-value-bind (defstruct-form constructor reader-names writer-names)
+ (make-structure-class-defstruct-form name direct-slots include)
+ (unless (structure-type-p name) (eval defstruct-form))
+ (mapc #'(lambda (dslotd reader-name writer-name)
+ (let* ((reader (gdefinition reader-name))
+ (writer (when (gboundp writer-name)
+ (gdefinition writer-name))))
+ (setf (slot-value dslotd 'internal-reader-function)
+ reader)
+ (setf (slot-value dslotd 'internal-writer-function)
+ writer)))
+ direct-slots reader-names writer-names)
+ (setf (slot-value class 'defstruct-form) defstruct-form)
+ (setf (slot-value class 'defstruct-constructor) constructor))))
+ (add-direct-subclasses class direct-superclasses)
+ (setf (slot-value class 'class-precedence-list)
+ (compute-class-precedence-list class))
+ (setf (slot-value class 'slots) (compute-slots class))
+ (let ((lclass (cl:find-class (class-name class))))
+ (setf (sb-kernel:class-pcl-class lclass) class)
+ (setf (slot-value class 'wrapper) (sb-kernel:class-layout lclass)))
+ (update-pv-table-cache-info class)
+ (setq predicate-name (if predicate-name-p
(setf (slot-value class 'predicate-name)
- (car predicate-name))
+ (car predicate-name))
(or (slot-value class 'predicate-name)
(setf (slot-value class 'predicate-name)
- (make-class-predicate-name
- (class-name class))))))
- (make-class-predicate class predicate-name)
- (add-slot-accessors class direct-slots))
-
+ (make-class-predicate-name
+ (class-name class))))))
+ (make-class-predicate class predicate-name)
+ (add-slot-accessors class direct-slots)))
+
(defmethod direct-slot-definition-class ((class structure-class) initargs)
(declare (ignore initargs))
(find-class 'structure-direct-slot-definition))
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