Mercurial > cpython-lru_cache-weakref
annotate Include/objimpl.h @ 10072:ecebcd84df37 legacy-trunk
put the preferences file in a folder called "Python" inside the prefs folder, just like the IDE does -- jvr
| author | Just van Rossum <just@lettererror.com> |
|---|---|
| date | Tue, 02 Feb 1999 15:49:03 +0000 |
| parents | 60fdb1db1175 |
| children | e82a9633078b |
| rev | line source |
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1 #ifndef Py_OBJIMPL_H |
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2 #define Py_OBJIMPL_H |
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3 #ifdef __cplusplus |
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4 extern "C" { |
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5 #endif |
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6 |
| 145 | 7 /*********************************************************** |
| 2058 | 8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 9 The Netherlands. | |
| 145 | 10 |
| 11 All Rights Reserved | |
| 12 | |
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13 Permission to use, copy, modify, and distribute this software and its |
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14 documentation for any purpose and without fee is hereby granted, |
| 145 | 15 provided that the above copyright notice appear in all copies and that |
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16 both that copyright notice and this permission notice appear in |
| 145 | 17 supporting documentation, and that the names of Stichting Mathematisch |
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18 Centrum or CWI or Corporation for National Research Initiatives or |
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19 CNRI not be used in advertising or publicity pertaining to |
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20 distribution of the software without specific, written prior |
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21 permission. |
| 145 | 22 |
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23 While CWI is the initial source for this software, a modified version |
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24 is made available by the Corporation for National Research Initiatives |
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25 (CNRI) at the Internet address ftp://ftp.python.org. |
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26 |
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27 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
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28 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
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29 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
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30 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
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31 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
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32 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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33 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
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34 PERFORMANCE OF THIS SOFTWARE. |
| 145 | 35 |
| 36 ******************************************************************/ | |
| 37 | |
| 6 | 38 /* |
| 39 123456789-123456789-123456789-123456789-123456789-123456789-123456789-12 | |
| 40 | |
| 41 Additional macros for modules that implement new object types. | |
| 42 You must first include "object.h". | |
| 43 | |
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44 PyObject_NEW(type, typeobj) allocates memory for a new object of the given |
| 6 | 45 type; here 'type' must be the C structure type used to represent the |
| 46 object and 'typeobj' the address of the corresponding type object. | |
| 47 Reference count and type pointer are filled in; the rest of the bytes of | |
| 48 the object are *undefined*! The resulting expression type is 'type *'. | |
| 49 The size of the object is actually determined by the tp_basicsize field | |
| 50 of the type object. | |
| 51 | |
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52 PyObject_NEW_VAR(type, typeobj, n) is similar but allocates a variable-size |
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53 object with n extra items. The size is computed as tp_basicsize plus |
| 6 | 54 n * tp_itemsize. This fills in the ob_size field as well. |
| 55 */ | |
| 56 | |
| 3764 | 57 #ifndef MS_COREDLL |
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58 extern DL_IMPORT(PyObject *) _PyObject_New Py_PROTO((PyTypeObject *)); |
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59 extern DL_IMPORT(PyVarObject *) _PyObject_NewVar Py_PROTO((PyTypeObject *, int)); |
| 6 | 60 |
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61 #define PyObject_NEW(type, typeobj) ((type *) _PyObject_New(typeobj)) |
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62 #define PyObject_NEW_VAR(type, typeobj, n) ((type *) _PyObject_NewVar(typeobj, n)) |
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63 |
| 3764 | 64 #else |
| 65 /* For an MS-Windows DLL, we change the way an object is created, so that the | |
| 66 extension module's malloc is used, rather than the core DLL malloc, as there is | |
| 67 no guarantee they will use the same heap | |
| 68 */ | |
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9586
60fdb1db1175
Add DL_IMPORT(returntype) for all officially exported functions.
Guido van Rossum <guido@python.org>
parents:
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69 extern DL_IMPORT(PyObject *) _PyObject_New Py_PROTO((PyTypeObject *, PyObject *)); |
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70 extern DL_IMPORT(PyVarObject *) _PyObject_NewVar Py_PROTO((PyTypeObject *, int, PyVarObject *)); |
| 3764 | 71 |
| 72 #define PyObject_NEW(type, typeobj) ((type *) _PyObject_New(typeobj,(PyObject *)malloc((typeobj)->tp_basicsize))) | |
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73 #define PyObject_NEW_VAR(type, typeobj, n) ((type *) _PyObject_NewVar(typeobj, n, (PyVarObject *)malloc((typeobj)->tp_basicsize + n * (typeobj)->tp_itemsize))) |
| 3764 | 74 |
| 75 #endif /* MS_COREDLL */ | |
| 76 | |
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77 #ifdef __cplusplus |
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78 } |
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79 #endif |
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80 #endif /* !Py_OBJIMPL_H */ |