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Commenting in goops.scm

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* module/oop/goops.scm: More narrative cleanup.
This commit is contained in:
Andy Wingo 2015-01-13 23:16:40 +01:00
parent 9647d3d318
commit 9ae00706e4
1 changed files with 19 additions and 9 deletions
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28
module/oop/goops.scm
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@ -593,7 +593,6 @@ subclasses of @var{c}."
;;; Now, to build out the class hierarchy.
;;;
;; Applicables and their classes.
(define-standard-class <procedure-class> (<class>))
(define-standard-class <applicable-struct-class>
(<procedure-class>))
@ -630,7 +629,6 @@ subclasses of @var{c}."
<extended-generic-with-setter>)
#:metaclass <applicable-struct-with-setter-class>)
;; Methods
(define-standard-class <method> (<object>)
generic-function
specializers
@ -641,7 +639,6 @@ subclasses of @var{c}."
(define-standard-class <accessor-method> (<method>)
(slot-definition #:init-keyword #:slot-definition))
;; Primitive types classes
(define-standard-class <boolean> (<top>))
(define-standard-class <char> (<top>))
(define-standard-class <list> (<top>))
@ -702,6 +699,18 @@ function."
(struct-set! <applicable> class-index-direct-subclasses
(cons class subclasses)))))
;;;
;;; At this point we have defined the class hierarchy, and it's time to
;;; move on to instance allocation and generics. Once we have generics,
;;; we'll fill out the metaobject protocol.
;;;
;;; Here we define a limited version of `make', so that we can allocate
;;; instances of specific classes. This definition will be replaced
;;; later.
;;;
(define (%invalidate-method-cache! gf)
(slot-set! gf 'procedure (delayed-compile gf))
(slot-set! gf 'effective-methods '()))
@ -726,12 +735,6 @@ followed by its associated value. If @var{l} does not hold a value for
(scm-error 'wrong-type-arg #f "Not a keyword: ~S" (list kw) #f))
(if (eq? kw key) arg (lp l))))))
;; A simple make which will be redefined later. This version handles
;; only creation of gf, methods and classes (no instances).
;;
;; Since this code will disappear when Goops will be fully booted,
;; no precaution is taken to be efficient.
;;
(define (%allocate-instance class)
(let ((obj (allocate-struct class (struct-ref class class-index-nfields))))
(%clear-fields! obj)
@ -778,6 +781,13 @@ followed by its associated value. If @var{l} does not hold a value for
@code{#f} otherwise."
(and (memq class (class-precedence-list (class-of obj))) #t))
;;;
;;; Slot access.
;;;
;; In the future, this function will return the effective slot
;; definition associated with SLOT_NAME. Now it just returns some of
;; the information which will be stored in the effective slot