cpython/Include/descrobject.h
Petr Viktorin cd9a56c2b0
gh-103509: PEP 697 -- Limited C API for Extending Opaque Types (GH-103511)
Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net>
Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
2023-05-04 09:56:53 +02:00

101 lines
3.0 KiB
C

/* Descriptors */
#ifndef Py_DESCROBJECT_H
#define Py_DESCROBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
typedef PyObject *(*getter)(PyObject *, void *);
typedef int (*setter)(PyObject *, PyObject *, void *);
struct PyGetSetDef {
const char *name;
getter get;
setter set;
const char *doc;
void *closure;
};
PyAPI_DATA(PyTypeObject) PyClassMethodDescr_Type;
PyAPI_DATA(PyTypeObject) PyGetSetDescr_Type;
PyAPI_DATA(PyTypeObject) PyMemberDescr_Type;
PyAPI_DATA(PyTypeObject) PyMethodDescr_Type;
PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;
PyAPI_DATA(PyTypeObject) PyDictProxy_Type;
PyAPI_DATA(PyTypeObject) PyProperty_Type;
PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *, PyMemberDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *, PyGetSetDef *);
PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);
/* An array of PyMemberDef structures defines the name, type and offset
of selected members of a C structure. These can be read by
PyMember_GetOne() and set by PyMember_SetOne() (except if their READONLY
flag is set). The array must be terminated with an entry whose name
pointer is NULL. */
struct PyMemberDef {
const char *name;
int type;
Py_ssize_t offset;
int flags;
const char *doc;
};
// These constants used to be in structmember.h, not prefixed by Py_.
// (structmember.h now has aliases to the new names.)
/* Types */
#define Py_T_SHORT 0
#define Py_T_INT 1
#define Py_T_LONG 2
#define Py_T_FLOAT 3
#define Py_T_DOUBLE 4
#define Py_T_STRING 5
#define _Py_T_OBJECT 6 // Deprecated, use Py_T_OBJECT_EX instead
/* the ordering here is weird for binary compatibility */
#define Py_T_CHAR 7 /* 1-character string */
#define Py_T_BYTE 8 /* 8-bit signed int */
/* unsigned variants: */
#define Py_T_UBYTE 9
#define Py_T_USHORT 10
#define Py_T_UINT 11
#define Py_T_ULONG 12
/* Added by Jack: strings contained in the structure */
#define Py_T_STRING_INPLACE 13
/* Added by Lillo: bools contained in the structure (assumed char) */
#define Py_T_BOOL 14
#define Py_T_OBJECT_EX 16
#define Py_T_LONGLONG 17
#define Py_T_ULONGLONG 18
#define Py_T_PYSSIZET 19 /* Py_ssize_t */
#define _Py_T_NONE 20 // Deprecated. Value is always None.
/* Flags */
#define Py_READONLY 1
#define Py_AUDIT_READ 2 // Added in 3.10, harmless no-op before that
#define _Py_WRITE_RESTRICTED 4 // Deprecated, no-op. Do not reuse the value.
#define Py_RELATIVE_OFFSET 8
PyAPI_FUNC(PyObject *) PyMember_GetOne(const char *, PyMemberDef *);
PyAPI_FUNC(int) PyMember_SetOne(char *, PyMemberDef *, PyObject *);
#ifndef Py_LIMITED_API
# define Py_CPYTHON_DESCROBJECT_H
# include "cpython/descrobject.h"
# undef Py_CPYTHON_DESCROBJECT_H
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_DESCROBJECT_H */