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| author | Skip Montanaro <[email protected]> | 2021-02-16 14:40:46 -0600 |
|---|---|---|
| committer | Skip Montanaro <[email protected]> | 2021-02-16 14:40:46 -0600 |
| commit | a19a216bc60160c162e616145ef091dd18ce4e61 (patch) | |
| tree | fa4bdff21f9b04a125c84a2bfab8a1c738359e15 /src/xxobject.c | |
| download | python-0.9.1-patched-QoL-a19a216bc60160c162e616145ef091dd18ce4e61.tar.xz python-0.9.1-patched-QoL-a19a216bc60160c162e616145ef091dd18ce4e61.zip | |
Python 0.9.1 as posted in alt.sources
Diffstat (limited to 'src/xxobject.c')
| -rw-r--r-- | src/xxobject.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/xxobject.c b/src/xxobject.c new file mode 100644 index 0000000..52be44b --- /dev/null +++ b/src/xxobject.c @@ -0,0 +1,131 @@ +/*********************************************************** +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. + +******************************************************************/ + +/* Use this file as a template to start implementing a new object type. + If your objects will be called foobar, start by copying this file to + foobarobject.c, changing all occurrences of xx to foobar and all + occurrences of Xx by Foobar. You will probably want to delete all + references to 'x_attr' and add your own types of attributes + instead. Maybe you want to name your local variables other than + 'xp'. If your object type is needed in other files, you'll have to + create a file "foobarobject.h"; see intobject.h for an example. */ + + +/* Xx objects */ + +#include "allobjects.h" + +typedef struct { + OB_HEAD + object *x_attr; /* Attributes dictionary */ +} xxobject; + +extern typeobject Xxtype; /* Really static, forward */ + +#define is_xxobject(v) ((v)->ob_type == &Xxtype) + +static xxobject * +newxxobject(arg) + object *arg; +{ + xxobject *xp; + xp = NEWOBJ(xxobject, &Xxtype); + if (xp == NULL) + return NULL; + xp->x_attr = NULL; + return xp; +} + +/* Xx methods */ + +static void +xx_dealloc(xp) + xxobject *xp; +{ + XDECREF(xp->x_attr); + DEL(xp); +} + +static object * +xx_demo(self, args) + xxobject *self; + object *args; +{ + if (!getnoarg(args)) + return NULL; + INCREF(None); + return None; +} + +static struct methodlist xx_methods[] = { + "demo", xx_demo, + {NULL, NULL} /* sentinel */ +}; + +static object * +xx_getattr(xp, name) + xxobject *xp; + char *name; +{ + if (xp->x_attr != NULL) { + object *v = dictlookup(xp->x_attr, name); + if (v != NULL) { + INCREF(v); + return v; + } + } + return findmethod(xx_methods, (object *)xp, name); +} + +static int +xx_setattr(xp, name, v) + xxobject *xp; + char *name; + object *v; +{ + if (xp->x_attr == NULL) { + xp->x_attr = newdictobject(); + if (xp->x_attr == NULL) + return -1; + } + if (v == NULL) + return dictremove(xp->x_attr, name); + else + return dictinsert(xp->x_attr, name, v); +} + +static typeobject Xxtype = { + OB_HEAD_INIT(&Typetype) + 0, /*ob_size*/ + "xx", /*tp_name*/ + sizeof(xxobject), /*tp_size*/ + 0, /*tp_itemsize*/ + /* methods */ + xx_dealloc, /*tp_dealloc*/ + 0, /*tp_print*/ + xx_getattr, /*tp_getattr*/ + xx_setattr, /*tp_setattr*/ + 0, /*tp_compare*/ + 0, /*tp_repr*/ +}; |
