()
(:metaclass funcallable-standard-class))
-(defclass specializer (standard-object)
- ((type :initform nil :reader specializer-type)))
-
-(defclass definition-source-mixin (standard-object)
- ((source :initform *load-pathname* :reader definition-source
- :initarg :definition-source)))
-
-(defclass plist-mixin (standard-object)
- ((plist :initform () :accessor object-plist)))
+(defclass metaobject (standard-object) ())
-(defclass dependent-update-mixin (plist-mixin) ())
+(defclass generic-function (dependent-update-mixin
+ definition-source-mixin
+ metaobject
+ funcallable-standard-object)
+ ((documentation
+ :initform nil
+ :initarg :documentation)
+ ;; We need to make a distinction between the methods initially set
+ ;; up by :METHOD options to DEFGENERIC and the ones set up later by
+ ;; DEFMETHOD, because ANSI specifies that executing DEFGENERIC on
+ ;; an already-DEFGENERICed function clears the methods set by the
+ ;; previous DEFGENERIC, but not methods set by DEFMETHOD. (Making
+ ;; this distinction seems a little kludgy, but it has the positive
+ ;; effect of making it so that loading a file a.lisp containing
+ ;; DEFGENERIC, then loading a second file b.lisp containing
+ ;; DEFMETHOD, then modifying and reloading a.lisp and/or b.lisp
+ ;; tends to leave the generic function in a state consistent with
+ ;; the most-recently-loaded state of a.lisp and b.lisp.)
+ (initial-methods
+ :initform ()
+ :accessor generic-function-initial-methods))
+ (:metaclass funcallable-standard-class))
-;;; The class CLASS is a specified basic class. It is the common
-;;; superclass of any kind of class. That is, any class that can be a
-;;; metaclass must have the class CLASS in its class precedence list.
-(defclass class (dependent-update-mixin
- definition-source-mixin
- specializer)
+(defclass standard-generic-function (generic-function)
((name
:initform nil
- :initarg :name
- :accessor class-name)
- (class-eq-specializer
- :initform nil
- :reader class-eq-specializer)
- (direct-superclasses
+ :initarg :name
+ :accessor generic-function-name)
+ (methods
:initform ()
- :reader class-direct-superclasses)
- ;; Note: The (CLASS-)DIRECT-SUBCLASSES for STRUCTURE-CLASSes and
- ;; CONDITION-CLASSes are lazily computed whenever the subclass info
- ;; becomes available, i.e. when the PCL class is created.
- (direct-subclasses
+ :accessor generic-function-methods
+ :type list)
+ (method-class
+ :initarg :method-class
+ :accessor generic-function-method-class)
+ (method-combination
+ :initarg :method-combination
+ :accessor generic-function-method-combination)
+ (declarations
+ ;; KLUDGE: AMOP specifies :DECLARATIONS, while ANSI specifies
+ ;; :DECLARE. Allow either (but FIXME: maybe a note or a warning
+ ;; might be appropriate).
+ :initarg :declarations
+ :initarg :declare
:initform ()
- :reader class-direct-subclasses)
- (direct-methods
- :initform (cons nil nil))
- (predicate-name
- :initform nil
- :reader class-predicate-name)
- (documentation
- :initform nil
- :initarg :documentation)
- (finalized-p
- :initform nil
- :reader class-finalized-p)))
+ :accessor generic-function-declarations)
+ (arg-info
+ :initform (make-arg-info)
+ :reader gf-arg-info)
+ (dfun-state
+ :initform ()
+ :accessor gf-dfun-state))
+ (:metaclass funcallable-standard-class)
+ (:default-initargs :method-class *the-class-standard-method*
+ :method-combination *standard-method-combination*))
-(def!method make-load-form ((class class) &optional env)
- ;; FIXME: should we not instead pass ENV to FIND-CLASS? Probably
- ;; doesn't matter while all our environments are the same...
- (declare (ignore env))
- (let ((name (class-name class)))
- (unless (and name (eq (find-class name nil) class))
- (error "~@<Can't use anonymous or undefined class as constant: ~S~:@>"
- class))
- `(find-class ',name)))
+(defclass method (metaobject) ())
-;;; The class PCL-CLASS is an implementation-specific common
-;;; superclass of all specified subclasses of the class CLASS.
-(defclass pcl-class (class)
- ((class-precedence-list
- :reader class-precedence-list)
- ;; KLUDGE: see note in CPL-OR-NIL
- (cpl-available-p
- :reader cpl-available-p
- :initform nil)
- (can-precede-list
+(defclass standard-method (definition-source-mixin plist-mixin method)
+ ((generic-function
+ :initform nil
+ :accessor method-generic-function)
+;;; (qualifiers
+;;; :initform ()
+;;; :initarg :qualifiers
+;;; :reader method-qualifiers)
+ (specializers
:initform ()
- :reader class-can-precede-list)
- (incompatible-superclass-list
+ :initarg :specializers
+ :reader method-specializers)
+ (lambda-list
:initform ()
- :accessor class-incompatible-superclass-list)
- (wrapper
+ :initarg :lambda-list
+ :reader method-lambda-list)
+ (function
:initform nil
- :reader class-wrapper)
- (prototype
+ :initarg :function) ;no writer
+ (fast-function
:initform nil
- :reader class-prototype)))
-
-(defclass slot-class (pcl-class)
- ((direct-slots
- :initform ()
- :accessor class-direct-slots)
- (slots
- :initform ()
- :accessor class-slots)))
-
-;;; The class STD-CLASS is an implementation-specific common
-;;; superclass of the classes STANDARD-CLASS and
-;;; FUNCALLABLE-STANDARD-CLASS.
-(defclass std-class (slot-class)
- ())
-
-(defclass standard-class (std-class)
- ())
-
-(defclass funcallable-standard-class (std-class)
- ())
-
-(defclass forward-referenced-class (pcl-class) ())
-
-(defclass built-in-class (pcl-class) ())
-
-(defclass condition-class (slot-class) ())
-
-(defclass structure-class (slot-class)
- ((defstruct-form
- :initform ()
- :accessor class-defstruct-form)
- (defstruct-constructor
- :initform nil
- :accessor class-defstruct-constructor)
- (from-defclass-p
+ :initarg :fast-function ;no writer
+ :reader method-fast-function)
+ (documentation
:initform nil
- :initarg :from-defclass-p)))
-
-(defclass specializer-with-object (specializer) ())
-
-(defclass exact-class-specializer (specializer) ())
+ :initarg :documentation)))
-(defclass class-eq-specializer (exact-class-specializer
- specializer-with-object)
- ((object :initarg :class
- :reader specializer-class
- :reader specializer-object)))
+(defclass standard-accessor-method (standard-method)
+ ((slot-name :initform nil
+ :initarg :slot-name
+ :reader accessor-method-slot-name)
+ (slot-definition :initform nil
+ :initarg :slot-definition
+ :reader accessor-method-slot-definition)))
-(defclass class-prototype-specializer (specializer-with-object)
- ((object :initarg :class
- :reader specializer-class
- :reader specializer-object)))
+(defclass standard-reader-method (standard-accessor-method) ())
+(defclass standard-writer-method (standard-accessor-method) ())
+;;; an extension, apparently.
+(defclass standard-boundp-method (standard-accessor-method) ())
-(defclass eql-specializer (exact-class-specializer specializer-with-object)
- ((object :initarg :object :reader specializer-object
- :reader eql-specializer-object)))
+(defclass method-combination (metaobject)
+ ((documentation
+ :reader method-combination-documentation
+ :initform nil
+ :initarg :documentation)))
-(defvar *eql-specializer-table* (make-hash-table :test 'eql))
+(defclass standard-method-combination (definition-source-mixin
+ method-combination)
+ ((type
+ :reader method-combination-type
+ :initarg :type)
+ (options
+ :reader method-combination-options
+ :initarg :options)))
-(defun intern-eql-specializer (object)
- (or (gethash object *eql-specializer-table*)
- (setf (gethash object *eql-specializer-table*)
- (make-instance 'eql-specializer :object object))))
-\f
-;;;; slot definitions
+(defclass long-method-combination (standard-method-combination)
+ ((function
+ :initarg :function
+ :reader long-method-combination-function)
+ (args-lambda-list
+ :initarg :args-lambda-list
+ :reader long-method-combination-args-lambda-list)))
-(defclass slot-definition (standard-object)
+(defclass slot-definition (metaobject)
((name
:initform nil
:initarg :name
effective-slot-definition)
())
-(defclass method (standard-object) ())
+(defclass specializer (metaobject)
+ ((type :initform nil :reader specializer-type)))
+
+(defclass specializer-with-object (specializer) ())
-(defclass standard-method (definition-source-mixin plist-mixin method)
- ((generic-function
+(defclass exact-class-specializer (specializer) ())
+
+(defclass class-eq-specializer (exact-class-specializer
+ specializer-with-object)
+ ((object :initarg :class
+ :reader specializer-class
+ :reader specializer-object)))
+
+(defclass class-prototype-specializer (specializer-with-object)
+ ((object :initarg :class
+ :reader specializer-class
+ :reader specializer-object)))
+
+(defclass eql-specializer (exact-class-specializer specializer-with-object)
+ ((object :initarg :object :reader specializer-object
+ :reader eql-specializer-object)))
+
+(defvar *eql-specializer-table* (make-hash-table :test 'eql))
+
+(defun intern-eql-specializer (object)
+ (or (gethash object *eql-specializer-table*)
+ (setf (gethash object *eql-specializer-table*)
+ (make-instance 'eql-specializer :object object))))
+
+(defclass class (dependent-update-mixin
+ definition-source-mixin
+ specializer)
+ ((name
:initform nil
- :accessor method-generic-function)
-;;; (qualifiers
-;;; :initform ()
-;;; :initarg :qualifiers
-;;; :reader method-qualifiers)
- (specializers
+ :initarg :name
+ :accessor class-name)
+ (class-eq-specializer
+ :initform nil
+ :reader class-eq-specializer)
+ (direct-superclasses
:initform ()
- :initarg :specializers
- :reader method-specializers)
- (lambda-list
+ :reader class-direct-superclasses)
+ ;; Note: The (CLASS-)DIRECT-SUBCLASSES for STRUCTURE-CLASSes and
+ ;; CONDITION-CLASSes are lazily computed whenever the subclass info
+ ;; becomes available, i.e. when the PCL class is created.
+ (direct-subclasses
:initform ()
- :initarg :lambda-list
- :reader method-lambda-list)
- (function
- :initform nil
- :initarg :function) ;no writer
- (fast-function
+ :reader class-direct-subclasses)
+ (direct-methods
+ :initform (cons nil nil))
+ (predicate-name
:initform nil
- :initarg :fast-function ;no writer
- :reader method-fast-function)
+ :reader class-predicate-name)
(documentation
:initform nil
- :initarg :documentation)))
-
-(defclass standard-accessor-method (standard-method)
- ((slot-name :initform nil
- :initarg :slot-name
- :reader accessor-method-slot-name)
- (slot-definition :initform nil
- :initarg :slot-definition
- :reader accessor-method-slot-definition)))
-
-(defclass standard-reader-method (standard-accessor-method) ())
-
-(defclass standard-writer-method (standard-accessor-method) ())
+ :initarg :documentation)
+ (finalized-p
+ :initform nil
+ :reader class-finalized-p)))
-(defclass standard-boundp-method (standard-accessor-method) ())
+(def!method make-load-form ((class class) &optional env)
+ ;; FIXME: should we not instead pass ENV to FIND-CLASS? Probably
+ ;; doesn't matter while all our environments are the same...
+ (declare (ignore env))
+ (let ((name (class-name class)))
+ (unless (and name (eq (find-class name nil) class))
+ (error "~@<Can't use anonymous or undefined class as constant: ~S~:@>"
+ class))
+ `(find-class ',name)))
-(defclass generic-function (dependent-update-mixin
- definition-source-mixin
- funcallable-standard-object)
- ((documentation
- :initform nil
- :initarg :documentation)
- ;; We need to make a distinction between the methods initially set
- ;; up by :METHOD options to DEFGENERIC and the ones set up later by
- ;; DEFMETHOD, because ANSI specifies that executing DEFGENERIC on
- ;; an already-DEFGENERICed function clears the methods set by the
- ;; previous DEFGENERIC, but not methods set by DEFMETHOD. (Making
- ;; this distinction seems a little kludgy, but it has the positive
- ;; effect of making it so that loading a file a.lisp containing
- ;; DEFGENERIC, then loading a second file b.lisp containing
- ;; DEFMETHOD, then modifying and reloading a.lisp and/or b.lisp
- ;; tends to leave the generic function in a state consistent with
- ;; the most-recently-loaded state of a.lisp and b.lisp.)
- (initial-methods
+;;; The class PCL-CLASS is an implementation-specific common
+;;; superclass of all specified subclasses of the class CLASS.
+(defclass pcl-class (class)
+ ((class-precedence-list
+ :reader class-precedence-list)
+ ;; KLUDGE: see note in CPL-OR-NIL
+ (cpl-available-p
+ :reader cpl-available-p
+ :initform nil)
+ (can-precede-list
:initform ()
- :accessor generic-function-initial-methods))
- (:metaclass funcallable-standard-class))
-
-(defclass standard-generic-function (generic-function)
- ((name
- :initform nil
- :initarg :name
- :accessor generic-function-name)
- (methods
+ :reader class-can-precede-list)
+ (incompatible-superclass-list
:initform ()
- :accessor generic-function-methods
- :type list)
- (method-class
- :initarg :method-class
- :accessor generic-function-method-class)
- (method-combination
- :initarg :method-combination
- :accessor generic-function-method-combination)
- (declarations
- ;; KLUDGE: AMOP specifies :DECLARATIONS, while ANSI specifies
- ;; :DECLARE. Allow either (but FIXME: maybe a note or a warning
- ;; might be appropriate).
- :initarg :declarations
- :initarg :declare
+ :accessor class-incompatible-superclass-list)
+ (wrapper
+ :initform nil
+ :reader class-wrapper)
+ (prototype
+ :initform nil
+ :reader class-prototype)))
+
+(defclass slot-class (pcl-class)
+ ((direct-slots
:initform ()
- :accessor generic-function-declarations)
- (arg-info
- :initform (make-arg-info)
- :reader gf-arg-info)
- (dfun-state
+ :accessor class-direct-slots)
+ (slots
:initform ()
- :accessor gf-dfun-state))
- (:metaclass funcallable-standard-class)
- (:default-initargs :method-class *the-class-standard-method*
- :method-combination *standard-method-combination*))
+ :accessor class-slots)))
-(defclass method-combination (standard-object)
- ((documentation
- :reader method-combination-documentation
+;;; The class STD-CLASS is an implementation-specific common
+;;; superclass of the classes STANDARD-CLASS and
+;;; FUNCALLABLE-STANDARD-CLASS.
+(defclass std-class (slot-class)
+ ())
+
+(defclass standard-class (std-class)
+ ())
+
+(defclass funcallable-standard-class (std-class)
+ ())
+
+(defclass forward-referenced-class (pcl-class) ())
+
+(defclass built-in-class (pcl-class) ())
+
+(defclass condition-class (slot-class) ())
+
+(defclass structure-class (slot-class)
+ ((defstruct-form
+ :initform ()
+ :accessor class-defstruct-form)
+ (defstruct-constructor
+ :initform nil
+ :accessor class-defstruct-constructor)
+ (from-defclass-p
:initform nil
- :initarg :documentation)))
+ :initarg :from-defclass-p)))
-(defclass standard-method-combination (definition-source-mixin
- method-combination)
- ((type
- :reader method-combination-type
- :initarg :type)
- (options
- :reader method-combination-options
- :initarg :options)))
+(defclass definition-source-mixin (standard-object)
+ ((source :initform *load-pathname* :reader definition-source
+ :initarg :definition-source)))
-(defclass long-method-combination (standard-method-combination)
- ((function
- :initarg :function
- :reader long-method-combination-function)
- (args-lambda-list
- :initarg :args-lambda-list
- :reader long-method-combination-args-lambda-list)))
+(defclass plist-mixin (standard-object)
+ ((plist :initform () :accessor object-plist)))
+
+(defclass dependent-update-mixin (plist-mixin) ())
(defparameter *early-class-predicates*
'((specializer specializerp)
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