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Access checks now work, at least for instance data (not for methods

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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.
This commit is contained in:
Guido van Rossum 1993-05-20 14:24:46 +00:00
parent 25831652fd
commit 81daa32c15
14 changed files with 655 additions and 150 deletions
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54
Include/accessobject.h Normal file
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/***********************************************************
Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Stichting Mathematisch
Centrum or CWI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior permission.
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
/* Access object interface */
/* Access mode bits (note similarity with UNIX permissions) */
#define AC_R 0444
#define AC_W 0222
#define AC_PRIVATE 0700
#define AC_R_PRIVATE 0400
#define AC_W_PRIVATE 0200
#define AC_PROTECTED 0070
#define AC_R_PROTECTED 0040
#define AC_W_PROTECTED 0020
#define AC_PUBLIC 0007
#define AC_R_PUBLIC 0004
#define AC_W_PUBLIC 0002
extern typeobject Accesstype;
#define is_accessobject(v) ((v)->ob_type == &Accesstype)
object *newaccessobject PROTO((object *, object *, typeobject *, int));
object *getaccessvalue PROTO((object *, object *));
int setaccessvalue PROTO((object *, object *, object *));
void setaccessowner PROTO((object *, object *));
object *cloneaccessobject PROTO((object *));
extern typeobject Anynumbertype, Anysequencetype, Anymappingtype;