From a19a216bc60160c162e616145ef091dd18ce4e61 Mon Sep 17 00:00:00 2001 From: Skip Montanaro Date: Tue, 16 Feb 2021 14:40:46 -0600 Subject: Python 0.9.1 as posted in alt.sources --- src/tupleobject.h | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/tupleobject.h (limited to 'src/tupleobject.h') diff --git a/src/tupleobject.h b/src/tupleobject.h new file mode 100644 index 0000000..293da22 --- /dev/null +++ b/src/tupleobject.h @@ -0,0 +1,56 @@ +/*********************************************************** +Copyright 1991 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. + +******************************************************************/ + +/* Tuple object interface */ + +/* +123456789-123456789-123456789-123456789-123456789-123456789-123456789-12 + +Another generally useful object type is an tuple of object pointers. +This is a mutable type: the tuple items can be changed (but not their +number). Out-of-range indices or non-tuple objects are ignored. + +*** WARNING *** settupleitem does not increment the new item's reference +count, but does decrement the reference count of the item it replaces, +if not nil. It does *decrement* the reference count if it is *not* +inserted in the tuple. Similarly, gettupleitem does not increment the +returned item's reference count. +*/ + +typedef struct { + OB_VARHEAD + object *ob_item[1]; +} tupleobject; + +extern typeobject Tupletype; + +#define is_tupleobject(op) ((op)->ob_type == &Tupletype) + +extern object *newtupleobject PROTO((int size)); +extern int gettuplesize PROTO((object *)); +extern object *gettupleitem PROTO((object *, int)); +extern int settupleitem PROTO((object *, int, object *)); + +/* Macro, trading safety for speed */ +#define GETTUPLEITEM(op, i) ((op)->ob_item[i]) -- cgit v1.2.3