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81daa32c15
yet). The class is now passed to eval_code and stored in the current frame. It is also stored in instance method objects. An "unbound" instance method is now returned when a function is retrieved through "classname.funcname", which when called passes the class to eval_code.
56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/***********************************************************
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Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
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Amsterdam, The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Class object interface */
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/*
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Classes are really hacked in at the last moment.
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It should be possible to use other object types as base classes,
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but currently it isn't. We'll see if we can fix that later, sigh...
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*/
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typedef struct {
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OB_HEAD
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object *cl_bases; /* A tuple of class objects */
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object *cl_dict; /* A dictionary */
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object *cl_name; /* A string */
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} classobject;
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extern typeobject Classtype, Instancetype, Instancemethodtype;
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#define is_classobject(op) ((op)->ob_type == &Classtype)
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#define is_instanceobject(op) ((op)->ob_type == &Instancetype)
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#define is_instancemethodobject(op) ((op)->ob_type == &Instancemethodtype)
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extern object *newclassobject PROTO((object *, object *, object *));
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extern object *newinstanceobject PROTO((object *, object *));
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extern object *newinstancemethodobject PROTO((object *, object *, object *));
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extern object *instancemethodgetfunc PROTO((object *));
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extern object *instancemethodgetself PROTO((object *));
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extern object *instancemethodgetclass PROTO((object *));
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extern object *instance_convert PROTO((object *, char *));
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extern int issubclass PROTO((object *, object *));
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