+(in-package :lisp-on-lines)
+
+(defun make-enclosing-package (name)
+ (make-package name :use '()))
+
+(defgeneric enclose-symbol (symbol package)
+ (:method ((symbol symbol)
+ (package package))
+ (if (symbol-package symbol)
+ (intern (format nil "~A::~A"
+ (package-name (symbol-package symbol))
+ (symbol-name symbol))
+ package)
+ (or (get symbol package)
+ (setf (get symbol package) (gensym))))))
+
+#|
+Descriptoons are represented as ContextL classes and layers. To avoid nameclashes with other classes or layers, the name of a description is actually mappend to an internal unambiguous name which is used instead of the regular name.
+|#
+
+
+(defvar *description-definers*
+ (make-enclosing-package "DESCRIPTION-DEFINERS"))
+
+(defun defining-description (name)
+ "Takes the name of a layer and returns its internal name."
+ (case name
+ ((t) 't)
+ ((nil) (error "NIL is not a valid description name."))
+ (otherwise (enclose-symbol name *description-definers*))))
+
+
+(defmethod initargs.slot-names (class)
+ "Returns ALIST of (initargs) . slot-name."
+ (nreverse (mapcar #'(lambda (slot)
+ (cons (closer-mop:slot-definition-initargs slot)
+ (closer-mop:slot-definition-name slot)))
+ (closer-mop:class-slots class))))
+
+(defun find-slot-name-from-initarg (class initarg)
+ (cdr (assoc-if #'(lambda (x) (member initarg x))
+ (initargs.slot-names class))))
+
+
+;;;!-- TODO: this has been so mangled that, while working, it's ooogly!
+(defun initargs-plist->special-slot-bindings (class initargs-plist)
+ "returns a list of (slot-name value) Given a plist of initargs such as one would pass to :DEFAULT-INITARGS."
+ (let ((initargs.slot-names-alist (initargs.slot-names class)))
+ (loop for (initarg value) on initargs-plist
+ nconc (let ((slot-name
+ ))
+ (when slot-name ;ignore invalid initargs. (good idea/bad idea?)
+ (list slot-name value))))))
+
+
+