PageRenderTime 351ms CodeModel.GetById 223ms app.highlight 14ms RepoModel.GetById 108ms app.codeStats 1ms

/Include/structmember.h

http://unladen-swallow.googlecode.com/
C++ Header | 99 lines | 56 code | 20 blank | 23 comment | 0 complexity | e7badd924c2bf8a21f22ff17041e8676 MD5 | raw file
 1#ifndef Py_STRUCTMEMBER_H
 2#define Py_STRUCTMEMBER_H
 3#ifdef __cplusplus
 4extern "C" {
 5#endif
 6
 7
 8/* Interface to map C struct members to Python object attributes */
 9
10#include <stddef.h> /* For offsetof */
11
12/* The offsetof() macro calculates the offset of a structure member
13   in its structure.  Unfortunately this cannot be written down
14   portably, hence it is provided by a Standard C header file.
15   For pre-Standard C compilers, here is a version that usually works
16   (but watch out!): */
17
18#ifndef offsetof
19#define offsetof(type, member) ( (int) & ((type*)0) -> member )
20#endif
21
22/* An array of memberlist structures defines the name, type and offset
23   of selected members of a C structure.  These can be read by
24   PyMember_Get() and set by PyMember_Set() (except if their READONLY flag
25   is set).  The array must be terminated with an entry whose name
26   pointer is NULL. */
27
28struct memberlist {
29	/* Obsolete version, for binary backwards compatibility */
30	char *name;
31	int type;
32	int offset;
33	int flags;
34};
35
36typedef struct PyMemberDef {
37	/* Current version, use this */
38	char *name;
39	int type;
40	Py_ssize_t offset;
41	int flags;
42	char *doc;
43} PyMemberDef;
44
45/* Types */
46#define T_SHORT		0
47#define T_INT		1
48#define T_LONG		2
49#define T_FLOAT		3
50#define T_DOUBLE	4
51#define T_STRING	5
52#define T_OBJECT	6
53/* XXX the ordering here is weird for binary compatibility */
54#define T_CHAR		7	/* 1-character string */
55#define T_BYTE		8	/* 8-bit signed int */
56/* unsigned variants: */
57#define T_UBYTE		9
58#define T_USHORT	10
59#define T_UINT		11
60#define T_ULONG		12
61
62/* Added by Jack: strings contained in the structure */
63#define T_STRING_INPLACE	13
64
65/* Added by Lillo: bools contained in the structure (assumed char) */
66#define T_BOOL		14
67
68#define T_OBJECT_EX	16	/* Like T_OBJECT, but raises AttributeError
69				   when the value is NULL, instead of
70				   converting to None. */
71#ifdef HAVE_LONG_LONG
72#define T_LONGLONG      17  
73#define T_ULONGLONG      18
74#endif /* HAVE_LONG_LONG */
75
76#define T_PYSSIZET       19 /* Py_ssize_t */
77
78
79/* Flags */
80#define READONLY	1
81#define RO		READONLY		/* Shorthand */
82#define READ_RESTRICTED	2
83#define PY_WRITE_RESTRICTED 4
84#define RESTRICTED	(READ_RESTRICTED | PY_WRITE_RESTRICTED)
85
86
87/* Obsolete API, for binary backwards compatibility */
88PyAPI_FUNC(PyObject *) PyMember_Get(const char *, struct memberlist *, const char *);
89PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, const char *, PyObject *);
90
91/* Current API, use this */
92PyAPI_FUNC(PyObject *) PyMember_GetOne(const char *, struct PyMemberDef *);
93PyAPI_FUNC(int) PyMember_SetOne(char *, struct PyMemberDef *, PyObject *);
94
95
96#ifdef __cplusplus
97}
98#endif
99#endif /* !Py_STRUCTMEMBER_H */