-#+lispworks
-(define-setf-expander assoc (key alist &environment env)
- (multiple-value-bind (temps vals stores store-form access-form)
- (get-setf-expansion alist env)
- (let ((new-value (gensym "NEW-VALUE-"))
- (keyed (gensym "KEYED-"))
- (accessed (gensym "ACCESSED-"))
- (store-new-value (car stores)))
- (values (cons keyed temps)
- (cons key vals)
- `(,new-value)
- `(let* ((,accessed ,access-form)
- (,store-new-value (assoc ,keyed ,accessed)))
- (if ,store-new-value
- (rplacd ,store-new-value ,new-value)
- (progn
- (setq ,store-new-value
- (acons ,keyed ,new-value ,accessed))
- ,store-form))
- ,new-value)
- `(assoc ,new-value ,access-form)))))
-
-#+lispworks
-(defmethod clos::canonicalize-defclass-slot :around
- ((prototype standard-db-class) slot)
- "\\lw\\ signals an error on unknown slot options; so this method
-removes any extra allowed options before calling the default method
-and returns the canonicalized extra options concatenated to the result
-of the default method. The extra allowed options are the value of the
-\\fcite{+extra-slot-options+}."
- (let ((extra-slot-options ())
- (rest-options ())
- (result ()))
- (do ((olist (cdr slot) (cddr olist)))
- ((null olist))
- (let ((option (car olist)))
- (cond
- ((find option +extra-slot-options+)
- ;;(push (cons option (cadr olist)) extra-slot-options))
- (setf (assoc option extra-slot-options) (cadr olist)))
- (t
- (push (cadr olist) rest-options)
- (push (car olist) rest-options)))))
- (setf result (call-next-method prototype (cons (car slot) rest-options)))
- (dolist (option extra-slot-options)
- (push-on-end (car option) result)
- (push-on-end `(quote ,(cdr option)) result))
- result))
-
-#+lispworks
-(defconstant +extra-class-options+ '(:base-table :version :schemas))
-
-#+lispworks
-(defmethod clos::canonicalize-class-options :around
- ((prototype standard-db-class) class-options)
- "\\lw\\ signals an error on unknown class options; so this method
-removes any extra allowed options before calling the default method
-and returns the canonicalized extra options concatenated to the result
-of the default method. The extra allowed options are the value of the
-\\fcite{+extra-class-options+}."
- (let ((extra-class-options nil)
- (rest-options ())
- (result ()))
- (dolist (o class-options)
- (let ((option (car o)))
- (cond
- ((find option +extra-class-options+)
- ;;(push (cons option (cadr o)) extra-class-options))
- (setf (assoc option extra-class-options) (cadr o)))
- (t
- (push o rest-options)))))
- (setf result (call-next-method prototype rest-options))
- (dolist (option extra-class-options)
- (push-on-end (car option) result)
- (push-on-end `(quote ,(cdr option)) result))
- result))