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guile/libguile/objects.c
Mikael Djurfeldt da7f71d7d5 * eval.c (SCM_CEVAL, scm_apply): Completed GOOPS support code;
Some indentation fixes.

* objects.h (SCM_METACLASS_STANDARD_LAYOUT): Printer field is no
longer a user field; New field: class_flags.

* objets.c, objects.h: New metaclass: scm_metaclass_operator.
1997-10-12 12:54:54 +00:00

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/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
/* This file and objects.h contains those minimal pieces of the Guile
* Object Oriented Programming System which need to be included in
* libguile. See the comments in objects.h.
*/
#include "_scm.h"
#include "struct.h"
#include "objects.h"
SCM scm_metaclass_standard;
SCM scm_metaclass_operator;
void
scm_init_objects ()
{
SCM ms = scm_makfrom0str (SCM_METACLASS_STANDARD_LAYOUT);
SCM ml = scm_make_struct_layout (ms);
SCM mt = scm_make_vtable_vtable (ml, SCM_INUM0,
SCM_LIST3 (SCM_BOOL_F, SCM_EOL, SCM_EOL));
SCM os = scm_makfrom0str (SCM_METACLASS_OPERATOR_LAYOUT);
SCM ol = scm_make_struct_layout (os);
SCM ot = scm_make_vtable_vtable (ol, SCM_INUM0,
SCM_LIST3 (SCM_BOOL_F, SCM_EOL, SCM_EOL));
SCM es = scm_makfrom0str (SCM_ENTITY_LAYOUT);
SCM el = scm_make_struct_layout (es);
SCM et = scm_make_struct (mt, SCM_INUM0,
SCM_LIST4 (el, SCM_BOOL_F, SCM_EOL, SCM_EOL));
scm_sysintern ("<standard-metaclass>", mt);
scm_metaclass_standard = mt;
scm_sysintern ("<operator-metaclass>", ot);
scm_metaclass_operator = ot;
SCM_SET_CLASS_FLAGS (et, SCM_CLASSF_OPERATOR | SCM_CLASSF_ENTITY);
scm_sysintern ("<entity-class>", et);
}