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95 lines
2.6 KiB
95 lines
2.6 KiB
#ifndef Py_STRUCTMEMBER_H |
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#define Py_STRUCTMEMBER_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Interface to map C struct members to Python object attributes */ |
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#ifdef HAVE_STDDEF_H |
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#include <stddef.h> /* For offsetof */ |
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#endif |
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/* The offsetof() macro calculates the offset of a structure member |
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in its structure. Unfortunately this cannot be written down |
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portably, hence it is provided by a Standard C header file. |
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For pre-Standard C compilers, here is a version that usually works |
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(but watch out!): */ |
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#ifndef offsetof |
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#define offsetof(type, member) ( (int) & ((type*)0) -> member ) |
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#endif |
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/* An array of memberlist structures defines the name, type and offset |
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of selected members of a C structure. These can be read by |
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PyMember_Get() and set by PyMember_Set() (except if their READONLY flag |
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is set). The array must be terminated with an entry whose name |
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pointer is NULL. */ |
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struct memberlist { |
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/* Obsolete version, for binary backwards compatibility */ |
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char *name; |
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int type; |
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int offset; |
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int flags; |
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}; |
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typedef struct PyMemberDef { |
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/* Current version, use this */ |
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char *name; |
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int type; |
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int offset; |
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int flags; |
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char *doc; |
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} PyMemberDef; |
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/* Types */ |
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#define T_SHORT 0 |
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#define T_INT 1 |
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#define T_LONG 2 |
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#define T_FLOAT 3 |
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#define T_DOUBLE 4 |
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#define T_STRING 5 |
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#define T_OBJECT 6 |
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/* XXX the ordering here is weird for binary compatibility */ |
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#define T_CHAR 7 /* 1-character string */ |
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#define T_BYTE 8 /* 8-bit signed int */ |
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/* unsigned variants: */ |
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#define T_UBYTE 9 |
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#define T_USHORT 10 |
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#define T_UINT 11 |
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#define T_ULONG 12 |
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/* Added by Jack: strings contained in the structure */ |
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#define T_STRING_INPLACE 13 |
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#ifdef macintosh |
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#define T_PSTRING 14 /* macintosh pascal-style counted string */ |
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#define T_PSTRING_INPLACE 15 |
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#endif /* macintosh */ |
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#define T_OBJECT_EX 16 /* Like T_OBJECT, but raises AttributeError |
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when the value is NULL, instead of |
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converting to None. */ |
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/* Flags */ |
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#define READONLY 1 |
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#define RO READONLY /* Shorthand */ |
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#define READ_RESTRICTED 2 |
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#define PY_WRITE_RESTRICTED 4 |
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#define RESTRICTED (READ_RESTRICTED | PY_WRITE_RESTRICTED) |
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/* Obsolete API, for binary backwards compatibility */ |
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PyAPI_FUNC(PyObject *) PyMember_Get(char *, struct memberlist *, char *); |
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PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, char *, PyObject *); |
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/* Current API, use this */ |
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PyAPI_FUNC(PyObject *) PyMember_GetOne(char *, struct PyMemberDef *); |
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PyAPI_FUNC(int) PyMember_SetOne(char *, struct PyMemberDef *, PyObject *); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* !Py_STRUCTMEMBER_H */
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