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annotate Include/structmember.h @ 58765:2ba7677bfa95 legacy-trunk

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testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents eb4b50f739f6
children fd25030223b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef Py_STRUCTMEMBER_H
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2 #define Py_STRUCTMEMBER_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
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7
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8 /* Interface to map C struct members to Python object attributes */
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9
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10 #include <stddef.h> /* For offsetof */
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12 /* The offsetof() macro calculates the offset of a structure member
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13 in its structure. Unfortunately this cannot be written down
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14 portably, hence it is provided by a Standard C header file.
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15 For pre-Standard C compilers, here is a version that usually works
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16 (but watch out!): */
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17
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18 #ifndef offsetof
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19 #define offsetof(type, member) ( (int) & ((type*)0) -> member )
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20 #endif
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21
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22 /* An array of memberlist structures defines the name, type and offset
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23 of selected members of a C structure. These can be read by
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24 PyMember_Get() and set by PyMember_Set() (except if their READONLY flag
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25 is set). The array must be terminated with an entry whose name
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26 pointer is NULL. */
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27
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28 struct memberlist {
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29 /* Obsolete version, for binary backwards compatibility */
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30 char *name;
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31 int type;
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32 int offset;
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33 int flags;
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34 };
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35
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36 typedef struct PyMemberDef {
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37 /* Current version, use this */
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38 char *name;
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39 int type;
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40 Py_ssize_t offset;
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41 int flags;
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42 char *doc;
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43 } PyMemberDef;
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45 /* Types */
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46 #define T_SHORT 0
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47 #define T_INT 1
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48 #define T_LONG 2
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49 #define T_FLOAT 3
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50 #define T_DOUBLE 4
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51 #define T_STRING 5
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52 #define T_OBJECT 6
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53 /* XXX the ordering here is weird for binary compatibility */
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54 #define T_CHAR 7 /* 1-character string */
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55 #define T_BYTE 8 /* 8-bit signed int */
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56 /* unsigned variants: */
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57 #define T_UBYTE 9
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58 #define T_USHORT 10
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59 #define T_UINT 11
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60 #define T_ULONG 12
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61
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62 /* Added by Jack: strings contained in the structure */
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63 #define T_STRING_INPLACE 13
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64
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65 /* Added by Lillo: bools contained in the structure (assumed char) */
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66 #define T_BOOL 14
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67
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68 #define T_OBJECT_EX 16 /* Like T_OBJECT, but raises AttributeError
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69 when the value is NULL, instead of
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70 converting to None. */
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71 #ifdef HAVE_LONG_LONG
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72 #define T_LONGLONG 17
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73 #define T_ULONGLONG 18
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74 #endif /* HAVE_LONG_LONG */
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75
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76 #define T_PYSSIZET 19 /* Py_ssize_t */
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79 /* Flags */
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80 #define READONLY 1
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81 #define RO READONLY /* Shorthand */
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82 #define READ_RESTRICTED 2
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83 #define PY_WRITE_RESTRICTED 4
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84 #define RESTRICTED (READ_RESTRICTED | PY_WRITE_RESTRICTED)
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87 /* Obsolete API, for binary backwards compatibility */
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88 PyAPI_FUNC(PyObject *) PyMember_Get(const char *, struct memberlist *, const char *);
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89 PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, const char *, PyObject *);
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91 /* Current API, use this */
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92 PyAPI_FUNC(PyObject *) PyMember_GetOne(const char *, struct PyMemberDef *);
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93 PyAPI_FUNC(int) PyMember_SetOne(char *, struct PyMemberDef *, PyObject *);
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96 #ifdef __cplusplus
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97 }
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98 #endif
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99 #endif /* !Py_STRUCTMEMBER_H */