Commit 1fa03692 authored by Dave Cooper's avatar Dave Cooper
Browse files

candidate p015

parent 9b8b53c5
;; Copyright 2015 Genworks International
;; This source file is part of the General-purpose Declarative
;; Language project (GDL).
;; This source file contains free software: you can redistribute it
;; and/or modify it under the terms of the GNU Affero General Public
;; License as published by the Free Software Foundation, either
;; version 3 of the License, or (at your option) any later version.
;; This source file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; Affero General Public License for more details.
;; You should have received a copy of the GNU Affero General Public
;; License along with this source file. If not, see
;; <>.
(in-package :gdl)
(defparameter *1588p015-doc*
"Adds overridable initialize-instance! function to vanilla-mixin and calls this from make-object and make-object-internal.")
(defun make-object (object-type &rest args)
"GDL Object. Instantiates an object with specified initial values for input-slots.
:arguments (object-name \"Symbol. Should name a GDL object type.\"
arguments \"spliced-in plist. A plist of keyword symbols and values for initial <tt>input-slots</tt>.\")"
(let (*notify-cons*
(keys (plist-keys args))
(vals (plist-values args)))
(let ((object (apply #'make-instance
:allow-other-keys t
(append (list :%name% (list (format nil "~a" object-type) nil t)
:%parent% (list nil nil t))
(mapcan #'(lambda(key val)
(list key (list val nil t)))
keys vals)))))
(setf (gdl-acc::%root% object) object
(gdl-acc::%toplevel-inputs% object) args)
(the-object object initialize-instance!) object)))
(defun make-object-internal (object-type &rest args)
(let ((object (apply #'make-instance object-type :allow-other-keys t args)))
(the-object object initialize-instance!) object))
(define-object-amendment vanilla-mixin ()
:functions ((initialize-instance! ())))
(in-package :gdl-user)
(define-object make-object-regression& ()
((initialize-instance! ()
(format *standard-output* "Hey Now to *standard-out*.~%")
(format t "Hey Now to t.~%"))))
(define-object make-object-regression ()
:computed-slots ((regression-test-data (with-output-to-string (*standard-output*)
(make-object 'make-object-regression&)))
(seed-data "Hey Now to *standard-out*.
Hey Now to t.
" )
(pass? (equalp (the seed-data) (the regression-test-data)))))
(defun make-object-test () (the-object (make-object 'make-object-regression) pass?))
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