Mercurial > cpython-lru_cache-weakref

annotate Include/cobject.h @ 28646:193b8aec00ce legacy-trunk

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Changes from Jonathan Riehl to allow his pgen extension (PEP 269) to work. This includes some more code that used to be part of pgen in the main parser; I'm okay with that. I'll see if the Windows build needs work next.
author Guido van Rossum <guido@python.org>
date Thu, 17 Apr 2003 14:55:42 +0000
parents c1eb668525e1
children 07a0a0726649
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1
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2 /* C objects to be exported from one extension module to another.
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4 C objects are used for communication between extension modules.
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5 They provide a way for an extension module to export a C interface
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6 to other extension modules, so that extension modules can use the
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7 Python import mechanism to link to one another.
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9 */
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10
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11 #ifndef Py_COBJECT_H
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12 #define Py_COBJECT_H
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13 #ifdef __cplusplus
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14 extern "C" {
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15 #endif
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17 PyAPI_DATA(PyTypeObject) PyCObject_Type;
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19 #define PyCObject_Check(op) ((op)->ob_type == &PyCObject_Type)
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21 /* Create a PyCObject from a pointer to a C object and an optional
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22 destructor function. If the second argument is non-null, then it
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23 will be called with the first argument if and when the PyCObject is
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24 destroyed.
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26 */
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27 PyAPI_FUNC(PyObject *) PyCObject_FromVoidPtr(
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28 void *cobj, void (*destruct)(void*));
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31 /* Create a PyCObject from a pointer to a C object, a description object,
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32 and an optional destructor function. If the third argument is non-null,
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33 then it will be called with the first and second arguments if and when
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34 the PyCObject is destroyed.
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35 */
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36 PyAPI_FUNC(PyObject *) PyCObject_FromVoidPtrAndDesc(
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37 void *cobj, void *desc, void (*destruct)(void*,void*));
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39 /* Retrieve a pointer to a C object from a PyCObject. */
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40 PyAPI_FUNC(void *) PyCObject_AsVoidPtr(PyObject *);
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42 /* Retrieve a pointer to a description object from a PyCObject. */
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43 PyAPI_FUNC(void *) PyCObject_GetDesc(PyObject *);
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45 /* Import a pointer to a C object from a module using a PyCObject. */
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46 PyAPI_FUNC(void *) PyCObject_Import(char *module_name, char *cobject_name);
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48 #ifdef __cplusplus
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49 }
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50 #endif
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51 #endif /* !Py_COBJECT_H */