;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.2 2002/11/29 05:05:29 kevin Exp $
-;;;;
-;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
+;;;; $Id$
;;;;
+;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg
;;;; *************************************************************************
-(in-package :hyperobject)
-
-(eval-when (:compile-toplevel :execute)
- (declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3))))
+(in-package #:hyperobject)
;; Main class
(defclass hyperobject-class (standard-class)
( ;; slots initialized in defclass
- (title :initarg :title :type string :initform nil
- :documentation "Print Title for class")
- (print-slots :initarg :print-slots :type list :initform nil
- :documentation "List of slots to print")
+ (user-name :initarg :user-name :type string :initform nil
+ :accessor user-name
+ :documentation "User name for class")
+ (user-name-plural :initarg :user-name-plural :type string :initform nil
+ :accessor user-name-plural
+ :documentation "Plural user name for class")
+ (default-print-slots :initarg :default-print-slots :type list :initform nil
+ :accessor default-print-slots
+ :documentation "Defaults slots for a view")
(description :initarg :description :initform nil
+ :accessor description
:documentation "Class description")
(version :initarg :version :initform nil
- :documentation "Version number for class")
+ :accessor version
+ :documentation "Version number for class")
+ (closures :initarg :closures :initform nil
+ :accessor closures
+ :documentation "Closures to call on slot chnages")
+ (sql-name :initarg :sql-name :accessor sql-name :initform nil
+ :documentation "SQL Name for this class")
+ (guid :initarg :guid :accessor guid :initform nil
+ :documentation "ID string for this class")
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
- (subobjects :initform nil :documentation
+ (subobjects :initform nil :accessor subobjects
+ :documentation
"List of fields that contain a list of subobjects objects.")
- (references :type list :initform nil :documentation
- "List of fields that have references")
- (class-id :type integer :initform nil :documentation
- "Unique ID for the class")
+ (hyperlinks :type list :initform nil :accessor hyperlinks
+ :documentation "List of fields that have hyperlinks")
+ (direct-rules :type list :initform nil :initarg :direct-rules
+ :accessor direct-rules
+ :documentation "List of rules to fire on slot changes.")
+ (direct-views :type list :initform nil :initarg :direct-views
+ :accessor direct-views
+ :documentation "List of views")
+ (class-id :type integer :initform nil
+ :accessor class-id
+ :documentation "Unique ID for the class")
+ (default-view :initform nil :initarg :default-view :accessor default-view
+ :documentation "The default view for a class")
+ (documementation :initform nil :initarg :documentation
+ :documentation "Documentation string for hyperclass.")
- (value-func :initform nil :type function)
- (xmlvalue-func :initform nil :type function)
- (fmtstr-text :initform nil :type string)
- (fmtstr-html :initform nil :type string)
- (fmtstr-xml :initform nil :type string)
- (fmtstr-text-labels :initform nil :type string)
- (fmtstr-html-labels :initform nil :type string)
- (fmtstr-xml-labels :initform nil :type string)
- (fmtstr-html-ref :initform nil :type string)
- (fmtstr-xml-ref :initform nil :type string)
- (fmtstr-html-ref-labels :initform nil :type string)
- (fmtstr-xml-ref-labels :initform nil :type string)
+ ;; SQL commands
+ (create-table-cmd :initform nil :reader create-table-cmd)
+ (create-indices-cmds :initform nil :reader create-index-cmds)
+ (drop-table-cmd :initform nil :reader drop-table-cmd)
+
+ (views :type list :initform nil :initarg :views :accessor views
+ :documentation "List of views")
+ (rules :type list :initform nil :initarg :rules :accessor rules
+ :documentation "List of rules")
)
(:documentation "Metaclass for Markup Language classes."))
(defclass subobject ()
- ((name :type symbol :initform nil :initarg :name :reader name)
- (reader :type function :initform nil :initarg :reader :reader reader)))
+ ((name-class :type symbol :initarg :name-class :reader name-class)
+ (name-slot :type symbol :initarg :name-slot :reader name-slot)
+ (subobj-class :type symbol :initarg :subobj-class :reader subobj-class)
+ (lookup :type (or function symbol) :initarg :lookup :reader lookup)
+ (lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))
+ (:documentation "subobject information")
+ (:default-initargs :name-class nil :name-slot nil :subobj-class nil
+ :lookup nil :lookup-keys nil))
+
(defmethod print-object ((obj subobject) (s stream))
- (print-unreadable-object (obj s :type t :identity t)
- (format s "~S" (name obj))))
+ (print-unreadable-object (obj s :type t)
+ (format s "~S" (name-slot obj))))
-(defclass reference ()
+(defclass hyperlink ()
((name :type symbol :initform nil :initarg :name :reader name)
- (lookup :type function :initform nil :initarg :lookup :reader lookup)
+ (lookup
+ ;; The type specifier seems to break sbcl
+ :type (or function symbol)
+ ;; :type t
+ :initform nil :initarg :lookup :reader lookup)
(link-parameters :type list :initform nil :initarg :link-parameters
:reader link-parameters)))
-(defmethod print-object ((obj reference) (s stream))
+(defmethod print-object ((obj hyperlink) (s stream))
(print-unreadable-object (obj s :type t :identity t)
(format s "~S" (name obj))))
-#+(or cmu scl sbcl)
(defmethod validate-superclass ((class hyperobject-class) (superclass standard-class))
t)
(defmethod finalize-inheritance :after ((cl hyperobject-class))
- (init-hyperobject-class cl))
+ ;; Work-around needed for OpenMCL
+ #+ignore
+ (unless (find-class (class-name cl))
+ (setf (find-class (class-name cl)) cl))
+
+ (init-hyperobject-class cl)
+ )
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'compute-effective-slot-definition)))
+ 3)
+ (pushnew :ho-normal-cesd cl:*features*))
+
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'direct-slot-definition-class)))
+ 3)
+ (pushnew :ho-normal-dsdc cl:*features*))
+
+ (when (>= (length (generic-function-lambda-list
+ (ensure-generic-function
+ 'effective-slot-definition-class)))
+ 3)
+ (pushnew :ho-normal-esdc cl:*features*)))
;; Slot definitions
-(defmethod direct-slot-definition-class ((cl hyperobject-class)
- #+allegro &rest
- iargs)
+(defmethod direct-slot-definition-class ((cl hyperobject-class)
+ #+ho-normal-dsdc &rest iargs)
(find-class 'hyperobject-dsd))
+(defmethod effective-slot-definition-class ((cl hyperobject-class)
+ #+ho-normal-esdc &rest iargs)
+ (find-class 'hyperobject-esd))
-; Slot definitions
+
+;;; Slot definitions
(eval-when (:compile-toplevel :load-toplevel :execute)
(defmacro process-class-option (slot-name &optional required)
`(defmethod clos:process-a-class-option ((class hyperobject-class)
(name (eql ,slot-name))
value)
- (when (and ,required (null value))
- (error "hyperobject class slot ~A must have a value" name))
- (list name `',value))
- #+(or allegro sbcl cmu scl)
+ (when (and ,required (null value))
+ (error "hyperobject class slot ~A must have a value" name))
+ (list name `',value))
+ #+(or allegro sbcl cmu scl openmcl)
(declare (ignore slot-name required))
)
`(defmethod clos:process-a-slot-option ((class hyperobject-class)
(option (eql ,slot-name))
value
- already-processed-other-options
+ already-processed-options
slot)
- (list option `',value))
+ (list* option `',value already-processed-options))
#-lispworks
(declare (ignore slot-name))
)
(eval
`(defclass hyperobject-dsd (standard-direct-slot-definition)
- (,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initform nil))
- *slot-options-no-initarg*)
- ,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initarg
- ,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
- *slot-options*))))
+ (,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initform nil))
+ *slot-options-no-initarg*)
+ ,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initarg
+ ,(intern (symbol-name x) (symbol-name :keyword))
+ :initform nil
+ :accessor
+ ,(intern (concatenate 'string
+ (symbol-name :dsd-)
+ (symbol-name x)))))
+ *slot-options*))))
(eval
`(defclass hyperobject-esd (standard-effective-slot-definition)
- (,@(mapcar #'(lambda (x)
- `(,(intern (symbol-name x))
- :initarg
- ,(intern (symbol-name x) (symbol-name :keyword))
- :initform nil))
- (append *slot-options* *slot-options-no-initarg*)))))
+ (,@(mapcar #'(lambda (x)
+ `(,(intern (symbol-name x))
+ :initarg
+ ,(intern (symbol-name x) (symbol-name :keyword))
+ :initform nil
+ :accessor
+ ,(intern (concatenate 'string
+ (symbol-name :esd-)
+ (symbol-name x)))))
+ (append *slot-options* *slot-options-no-initarg*)))))
) ;; eval-when
-
-(defmethod compute-effective-slot-definition :around
- ((cl hyperobject-class) #+(or allegro lispworks) name dsds)
- #+allergo (declare (ignore name))
- (let* ((dsd (car dsds))
- (ho-type (slot-value dsd 'type)))
- (setf (slot-value dsd 'ho-type) ho-type)
- (setf (slot-value dsd 'type) (ho-type-to-lisp-type ho-type))
- (setf (slot-value dsd 'sql-type) (ho-type-to-sql-type ho-type))
- (let ((ia (compute-effective-slot-definition-initargs
- cl #+lispworks name dsds)))
- (apply
- #'make-instance 'hyperobject-esd
- :ho-type ho-type
- :sql-type sql-type
- :print-formatter (slot-value dsd 'print-formatter)
- :subobject (slot-value dsd 'subobject)
- :reference (slot-value dsd 'reference)
- :description (slot-value dsd 'description)
- ia)))
- )
-(defun ho-type-to-lisp-type (ho-type)
- (check-type ho-type symbol)
- (case (intern (symbol-name ho-type) (symbol-name :keyword))
- (:string
- 'string)
- (:fixnum
- 'fixnum)
- (:boolean
- 'boolean)
- (:integer
- 'integer)
- (:cdata
- 'string)
- (:float
- 'float)
- (:nil
+(defun intern-in-keyword (obj)
+ (cond
+ ((null obj)
+ nil)
+ ((eq t obj)
t)
- (otherwise
- ho-type)))
-
-(defun ho-type-to-sql-type (ho-type)
- (check-type ho-type symbol)
- (case (intern (symbol-name ho-type) (symbol-name :keyword))
- (:string
- 'string)
+ ((atom obj)
+ (intern (symbol-name obj) (find-package 'keyword)))
+ ((consp obj)
+ (cons (intern-in-keyword (car obj) ) (intern-in-keyword (cdr obj))))
+ (t
+ obj)))
+
+(defun canonicalize-value-type (vt)
+ (typecase vt
+ (atom
+ (ensure-keyword vt))
+ (cons
+ (list (ensure-keyword (car vt)) (cadr vt)))
+ (t
+ t)))
+
+(defmethod compute-effective-slot-definition :around ((cl hyperobject-class)
+ #+ho-normal-cesd name
+ dsds)
+ (declare (ignore #+ho-normal-cesd name))
+ (let ((esd (call-next-method)))
+ (if (typep esd 'hyperobject-esd)
+ (compute-hyperobject-esd esd dsds)
+ esd)))
+
+(defun compute-hyperobject-esd (esd dsds)
+ (let* ((dsd (car dsds))
+ (value-type (canonicalize-value-type (slot-value dsd 'value-type))))
+ (multiple-value-bind (sql-type sql-length)
+ (value-type-to-sql-type value-type)
+ (setf (esd-sql-type esd) sql-type)
+ (setf (esd-sql-length esd) sql-length))
+ (setf (slot-value esd 'type) (value-type-to-lisp-type value-type))
+ (setf (esd-value-type esd) value-type)
+ (setf (esd-user-name esd)
+ (aif (dsd-user-name dsd)
+ it
+ (string-downcase (symbol-name (slot-definition-name dsd)))))
+ (setf (esd-sql-name esd)
+ (aif (dsd-sql-name dsd)
+ it
+ (lisp-name-to-sql-name (slot-definition-name dsd))))
+ (setf (esd-sql-name esd)
+ (aif (dsd-sql-name dsd)
+ it
+ (lisp-name-to-sql-name (slot-definition-name dsd))))
+ (dolist (name '(print-formatter subobject hyperlink hyperlink-parameters
+ description value-constraint indexed null-allowed
+ unique short-description void-text read-only-groups
+ hidden-groups unit disable-predicate view-type
+ list-of-values stored))
+ (setf (slot-value esd name) (slot-value dsd name)))
+ esd))
+
+(defun lisp-name-to-sql-name (lisp)
+ "Convert a lisp name (atom or list, string or symbol) into a canonical
+SQL name"
+ (unless (stringp lisp)
+ (setq lisp
+ (typecase lisp
+ (symbol (symbol-name lisp))
+ (t (write-to-string lisp)))))
+ (do* ((len (length lisp))
+ (sql (make-string len))
+ (i 0 (1+ i)))
+ ((= i len) (string-upcase sql))
+ (declare (fixnum i)
+ (simple-string sql))
+ (setf (schar sql i)
+ (let ((c (char lisp i)))
+ (case c
+ ((#\- #\$ #\+ #\#) #\_)
+ (otherwise c))))))
+
+#+ho-normal-cesd
+(setq cl:*features* (delete :ho-normal-cesd cl:*features*))
+#+ho-normal-dsdc
+(setq cl:*features* (delete :ho-normal-dsdc cl:*features*))
+#+ho-normal-esdc
+(setq cl:*features* (delete :ho-normal-esdc cl:*features*))
+
+(defun lisp-type-is-a-string (type)
+ (or (eq type 'string)
+ (and (listp type) (some #'(lambda (x) (eq x 'string)) type))))
+
+(defun base-value-type (value-type)
+ (if (atom value-type)
+ value-type
+ (car value-type)))
+
+(defun value-type-to-lisp-type (value-type)
+ (case (base-value-type value-type)
+ ((:string :cdata :varchar :char)
+ '(or null string))
+ (:datetime
+ '(or null integer))
+ (:character
+ '(or null character))
(:fixnum
- 'fixnum)
+ '(or null fixnum))
(:boolean
- 'boolean)
- (:integer
- 'integer)
- (:cdata
- 'string)
- (:float
- 'float)
- (:nil
- t)
+ '(or null boolean))
+ ((:integer :long-integer)
+ '(or null integer))
+ ((:float :single-float)
+ '(or null single-float))
+ (:double-float
+ '(or null double-float))
(otherwise
- ho-type)))
+ t)))
+
+(defun value-type-to-sql-type (value-type)
+ "Return two values, the sql type and field length."
+ (let ((type (base-value-type value-type))
+ (length (when (consp value-type)
+ (cadr value-type))))
+ (values
+ (case type
+ ((:char :character)
+ :char)
+ (:varchar
+ :varchar)
+ ((:fixnum :integer)
+ :integer)
+ (:long-integer
+ :long-integer)
+ (:boolean
+ :boolean)
+ ((:float :single-float)
+ :single-float)
+ (:double-float
+ :double-float)
+ (:datetime
+ :long-integer)
+ (otherwise
+ :text))
+ length)))
;;;; Class initialization function
-(defun process-subobjects (cl)
+;; One entry for each class with lazy readers defined. The value is a plist mapping
+;; slot-name to a lazy reader, each of which is a list of a function and slot-names.
+(defvar *lazy-readers* (make-hash-table))
+
+(defmethod slot-unbound ((class hyperobject-class) instance slot-name)
+ (let ((lazy-reader
+ (loop for super in (class-precedence-list class)
+ as lazy-reader = (getf (gethash super *lazy-readers*) slot-name)
+ when lazy-reader return it)))
+ (if lazy-reader
+ (setf (slot-value instance slot-name)
+ (if (atom lazy-reader)
+ (make-instance lazy-reader)
+ (apply (car lazy-reader)
+ (loop for arg-slot-name in (cdr lazy-reader)
+ collect (slot-value instance arg-slot-name)))))
+ ;; No lazy reader -- defer to regular slot-unbound handling.
+ (call-next-method))))
+
+;; The reader is a function and the reader-keys are slot names. The slot is lazily set to
+;; the result of applying the function to the slot-values of those slots, and that value
+;; is also returned.
+(defun ensure-lazy-reader (cl class-name slot-name subobj-class reader
+ &rest reader-keys)
+ (setf (getf (gethash cl *lazy-readers*) slot-name)
+ (aif subobj-class
+ it
+ (list* reader (copy-list reader-keys)))))
+
+(defun remove-lazy-reader (class-name slot-name)
+ (setf (getf (gethash (find-class class-name) *lazy-readers*) slot-name)
+ nil))
+
+
+(defun finalize-subobjects (cl)
"Process class subobjects slot"
- (setf (slot-value cl 'subobjects)
- (let ((subobjects '()))
- (dolist (slot (class-slots cl))
- (when (slot-value slot 'subobject)
- (push (make-instance 'subobject :name (slot-definition-name slot)
- :reader (if (eq t (slot-value slot 'subobject))
- (slot-definition-name slot)
- (slot-value slot 'subobject)))
- subobjects)))
- subobjects)))
-
-(defun process-documentation (cl)
- "Calculate class documentation slot"
- (awhen (slot-value cl 'title)
- (setf (slot-value cl 'title) (car it)))
- (awhen (slot-value cl 'description)
- (setf (slot-value cl 'description) (car it)))
+ (setf (subobjects cl)
+ (let ((subobjects '()))
+ (dolist (slot (class-slots cl))
+ (let-when
+ (subobj-def (esd-subobject slot))
+ (let ((subobject
+ (make-instance 'subobject
+ :name-class (class-name cl)
+ :name-slot (slot-definition-name slot)
+ :subobj-class (when (atom subobj-def)
+ subobj-def)
+ :lookup (when (listp subobj-def)
+ (car subobj-def))
+ :lookup-keys (when (listp subobj-def)
+ (cdr subobj-def)))))
+ (unless (eq (lookup subobject) t)
+ (apply #'ensure-lazy-reader
+ cl
+ (name-class subobject) (name-slot subobject)
+ (subobj-class subobject)
+ (lookup subobject) (lookup-keys subobject))
+ (push subobject subobjects)))))
+ ;; sbcl/cmu reverse class-slots compared to the defclass form
+ ;; so re-reverse on cmu/sbcl
+ #+(or cmu sbcl) subobjects
+ #-(or cmu sbcl) (nreverse subobjects)
+ )))
+
+(defun finalize-class-slots (cl)
+ "Make sure all class slots have an expected value"
+ (unless (user-name cl)
+ (setf (user-name cl) (format nil "~:(~A~)" (class-name cl))))
+ (setf (user-name-plural cl)
+ (if (and (consp (user-name cl)) (cadr (user-name cl)))
+ (cadr (user-name cl))
+ (format nil "~A~P" (if (consp (user-name cl))
+ (car (user-name cl))
+ (user-name cl))
+ 2)))
+
+ (dolist (name '(user-name description version guid sql-name))
+ (awhen (slot-value cl name)
+ (setf (slot-value cl name)
+ (if (listp it)
+ (car it)
+ it))))
+
+ (unless (sql-name cl)
+ (setf (sql-name cl) (lisp-name-to-sql-name (class-name cl))))
+ )
+
+(defun finalize-documentation (cl)
+ "Calculate class documentation slot"
(let ((*print-circle* nil))
- (setf (documentation (class-name cl) 'class)
- (format nil "Hyperobject~A~A~A~A"
- (aif (slot-value cl 'title)
- (format nil ": ~A" it ""))
- (aif (slot-value cl 'description)
- (format nil "~%Class description: ~A" it) "")
- (aif (slot-value cl 'subobjects)
- (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name it)) "")
- (aif (slot-value cl 'print-slots)
- (format nil "~%Print-slots:~{ ~A~}" it) "")
- ))))
+ (setf (documentation cl 'type)
+ (format nil "Hyperobject~A~A~A~A"
+ (aif (user-name cl)
+ (format nil ": ~A" it ""))
+ (aif (description cl)
+ (format nil "~%Class description: ~A" it) "")
+ (aif (subobjects cl)
+ (format nil "~%Subobjects:~{ ~A~}" (mapcar #'name-slot it)) "")
+ (aif (default-print-slots cl)
+ (format nil "~%Default print slots:~{ ~A~}" it) "")
+ ))))
+
+(defun finalize-hyperlinks (cl)
+ (let ((hyperlinks '()))
+ (dolist (esd (class-slots cl))
+ (awhen (slot-value esd 'hyperlink)
+ (push
+ (make-instance 'hyperlink
+ :name (slot-definition-name esd)
+ :lookup it
+ :link-parameters (slot-value esd 'hyperlink-parameters))
+ hyperlinks)))
+ ;; cmu/sbcl reverse class-slots compared to the defclass form
+ ;; hyperlinks is already reversed from the dolist/push loop, so re-reverse on sbcl/cmu
+ #-(or cmu sbcl) (setq hyperlinks (nreverse hyperlinks))
+ (setf (slot-value cl 'hyperlinks) hyperlinks)))
(defun init-hyperobject-class (cl)
"Initialize a hyperobject class. Calculates all class slots"
- (process-subobjects cl)
- (process-views cl)
- (process-documentation cl))
+ (finalize-subobjects cl)
+ (finalize-views cl)
+ (finalize-hyperlinks cl)
+ (finalize-sql cl)
+ (finalize-rules cl)
+ (finalize-class-slots cl)
+ (finalize-documentation cl))
;;;; *************************************************************************
(defun find-slot-by-name (cl name)
(find name (class-slots cl) :key #'slot-definition-name))
-(defun hyperobject-class-fmtstr-text (obj)
- (slot-value (class-of obj) 'fmtstr-text))
-
-(defun hyperobject-class-fmtstr-html (obj)
- (slot-value (class-of obj) 'fmtstr-html))
-
-(defun hyperobject-class-fmtstr-xml (obj)
- (slot-value (class-of obj) 'fmtstr-xml))
-
-(defun hyperobject-class-fmtstr-text-labels (obj)
- (slot-value (class-of obj) 'fmtstr-text-labels))
-
-(defun hyperobject-class-fmtstr-html-labels (obj)
- (slot-value (class-of obj) 'fmtstr-html-labels))
-
-(defun hyperobject-class-fmtstr-xml-labels (obj)
- (slot-value (class-of obj) 'fmtstr-xml-labels))
-
-(defun hyperobject-class-value-func (obj)
- (slot-value (class-of obj) 'value-func))
+(defun hyperobject-class-user-name (obj)
+ (user-name (class-of obj)))
-(defun hyperobject-class-xmlvalue-func (obj)
- (slot-value (class-of obj) 'xmlvalue-func))
-
-(eval-when (:compile-toplevel :load-toplevel :execute)
-
- (defun hyperobject-class-title (obj)
- (awhen (slot-value (class-of obj) 'title)
- (if (consp it)
- (car it)
- it))))
+(defun hyperobject-class-user-name-plural (obj)
+ (user-name-plural (class-of obj)))
(defun hyperobject-class-subobjects (obj)
- (slot-value (class-of obj) 'subobjects))
-
-(defun hyperobject-class-references (obj)
- (slot-value (class-of obj) 'references))
-
-(defun hyperobject-class-fields (obj)
- (class-slots (class-of obj)))
-
-(defun hyperobject-class-fmtstr-html-ref (obj)
- (slot-value (class-of obj) 'fmtstr-html-ref))
-
-(defun hyperobject-class-fmtstr-xml-ref (obj)
- (slot-value (class-of obj) 'fmtstr-xml-ref))
-
-(defun hyperobject-class-fmtstr-html-ref-labels (obj)
- (slot-value (class-of obj) 'fmtstr-html-ref-labels))
-
-(defun hyperobject-class-fmtstr-xml-ref-labels (obj)
- (slot-value (class-of obj) 'fmtstr-xml-ref-labels))
-
+ (subobjects (class-of obj)))
+
+(defun hyperobject-class-hyperlinks (obj)
+ (hyperlinks (class-of obj)))
+
+(defun hyperobject-class-slots (obj)
+ ;; cmucl/sbcl reverse class-slots
+ #+(or cmu sbcl) (reverse (class-slots (class-of obj)))
+ #-(or cmu sbcl) (class-slots (class-of obj)))
+
+(defun all-subobjects (obj)
+ "Returns a list of all subobjects in an object"
+ (let ((so-list '()))
+ (dolist (subobj-obj (subobjects (class-of obj)) (nreverse so-list))
+ (dolist (so (funcall (name-slot subobj-obj) obj))
+ (push so so-list)))))