Mercurial > cpython-lru_cache-weakref

annotate Include/objimpl.h @ 6719:faebc1940432 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Understand -Xlinker option.
author Guido van Rossum <guido@python.org>
date Tue, 02 Dec 1997 20:38:11 +0000
parents 20c2b715188e
children 60fdb1db1175
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1329
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1 #ifndef Py_OBJIMPL_H
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
2 #define Py_OBJIMPL_H
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
3 #ifdef __cplusplus
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
4 extern "C" {
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
5 #endif
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
6
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
7 /***********************************************************
2058
508036dbba3b Added 1995 copyright.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
508036dbba3b Added 1995 copyright.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
9 The Netherlands.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
10
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
11 All Rights Reserved
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
12
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
13 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
14 documentation for any purpose and without fee is hereby granted,
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
15 provided that the above copyright notice appear in all copies and that
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
16 both that copyright notice and this permission notice appear in
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
17 supporting documentation, and that the names of Stichting Mathematisch
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
18 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
19 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
20 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
21 permission.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
22
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
23 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
24 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
25 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
26
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
27 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
28 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
29 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
30 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
31 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
32 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
33 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 3764
diff changeset
34 PERFORMANCE OF THIS SOFTWARE.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
35
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
36 ******************************************************************/
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
37
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
38 /*
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
39 123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
40
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
41 Additional macros for modules that implement new object types.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
42 You must first include "object.h".
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
43
2129
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
44 PyObject_NEW(type, typeobj) allocates memory for a new object of the given
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
45 type; here 'type' must be the C structure type used to represent the
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
46 object and 'typeobj' the address of the corresponding type object.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
47 Reference count and type pointer are filled in; the rest of the bytes of
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
48 the object are *undefined*! The resulting expression type is 'type *'.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
49 The size of the object is actually determined by the tp_basicsize field
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
50 of the type object.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
51
2129
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
52 PyObject_NEW_VAR(type, typeobj, n) is similar but allocates a variable-size
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
53 object with n extra items. The size is computed as tp_basicsize plus
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
54 n * tp_itemsize. This fills in the ob_size field as well.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
55 */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
56
3764
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
57 #ifndef MS_COREDLL
2129
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
58 extern PyObject *_PyObject_New Py_PROTO((PyTypeObject *));
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
59 extern PyVarObject *_PyObject_NewVar Py_PROTO((PyTypeObject *, int));
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
60
2129
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
61 #define PyObject_NEW(type, typeobj) ((type *) _PyObject_New(typeobj))
05360cd616ae The great renaming, phase two: all header files have been updated to
Guido van Rossum <guido@python.org>
parents: 2058
diff changeset
62 #define PyObject_NEW_VAR(type, typeobj, n) ((type *) _PyObject_NewVar(typeobj, n))
1329
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
63
3764
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
64 #else
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
65 /* For an MS-Windows DLL, we change the way an object is created, so that the
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
66 extension module's malloc is used, rather than the core DLL malloc, as there is
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
67 no guarantee they will use the same heap
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
68 */
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
69 extern PyObject *_PyObject_New Py_PROTO((PyTypeObject *, PyObject *));
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
70 extern PyVarObject *_PyObject_NewVar Py_PROTO((PyTypeObject *, int, PyVarObject *));
3764
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
71
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
72 #define PyObject_NEW(type, typeobj) ((type *) _PyObject_New(typeobj,(PyObject *)malloc((typeobj)->tp_basicsize)))
5535
20c2b715188e Oops, another forgotten renaming: varobject -> PyVarObject.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
73 #define PyObject_NEW_VAR(type, typeobj, n) ((type *) _PyObject_NewVar(typeobj, n, (PyVarObject *)malloc((typeobj)->tp_basicsize + n * (typeobj)->tp_itemsize)))
3764
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
74
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
75 #endif /* MS_COREDLL */
29fe6a0de366 Hacks for MS_COREDLL
Guido van Rossum <guido@python.org>
parents: 2305
diff changeset
76
1329
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
77 #ifdef __cplusplus
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
78 }
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
79 #endif
519c25039c6a * Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
80 #endif /* !Py_OBJIMPL_H */