iframe-proxy | Sunbelt Computer Software

History

146 lines (121 loc) · 5.74 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

/* Method object interface */

#ifndef Py_METHODOBJECT_H

#define Py_METHODOBJECT_H

#ifdef __cplusplus

extern "C" {

#endif

/* This is about the type 'builtin_function_or_method',

not Python methods in user-defined classes. See classobject.h

for the latter. */

PyAPI_DATA(PyTypeObject) PyCFunction_Type;

#define PyCFunction_CheckExact(op) Py_IS_TYPE((op), &PyCFunction_Type)

#define PyCFunction_Check(op) PyObject_TypeCheck((op), &PyCFunction_Type)

typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);

typedef PyObject *(*PyCFunctionFast) (PyObject *, PyObject *const *, Py_ssize_t);

typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *,

PyObject *);

typedef PyObject *(*PyCFunctionFastWithKeywords) (PyObject *,

PyObject *const *, Py_ssize_t,

PyObject *);

typedef PyObject *(*PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *,

Py_ssize_t, PyObject *);

// For backwards compatibility. `METH_FASTCALL` was added to the stable API in

// 3.10 alongside `_PyCFunctionFastWithKeywords` and `_PyCFunctionFast`.

// Note that the underscore-prefixed names were documented in public docs;

// people may be using them.

typedef PyCFunctionFast _PyCFunctionFast;

typedef PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords;

// Cast a function to the PyCFunction type to use it with PyMethodDef.

// This macro can be used to prevent compiler warnings if the first parameter

// uses a different pointer type than PyObject* (ex: METH_VARARGS and METH_O

// calling conventions).

// The macro can also be used for METH_FASTCALL and METH_VARARGS|METH_KEYWORDS

// calling conventions to avoid compiler warnings because the function has more

// than 2 parameters. The macro first casts the function to the

// "void func(void)" type to prevent compiler warnings.

// If a function is declared with the METH_NOARGS calling convention, it must

// have 2 parameters. Since the second parameter is unused, Py_UNUSED() can be

// used to prevent a compiler warning. If the function has a single parameter,

// it triggers an undefined behavior when Python calls it with 2 parameters

// (bpo-33012).

#define _PyCFunction_CAST(func) \

_Py_FUNC_CAST(PyCFunction, func)

// The macros below are given for semantic convenience, allowing users

// to see whether a cast to suppress an undefined behavior is necessary.

// Note: At runtime, the original function signature must be respected.

#define _PyCFunctionFast_CAST(func) \

_Py_FUNC_CAST(PyCFunctionFast, func)

#define _PyCFunctionWithKeywords_CAST(func) \

_Py_FUNC_CAST(PyCFunctionWithKeywords, func)

#define _PyCFunctionFastWithKeywords_CAST(func) \

_Py_FUNC_CAST(PyCFunctionFastWithKeywords, func)

PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *);

PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *);

PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *);

struct PyMethodDef {

const char *ml_name; /* The name of the built-in function/method */

PyCFunction ml_meth; /* The C function that implements it */

int ml_flags; /* Combination of METH_xxx flags, which mostly

describe the args expected by the C func */

const char *ml_doc; /* The __doc__ attribute, or NULL */

};

/* PyCFunction_New is declared as a function for stable ABI (declaration is

* needed for e.g. GCC with -fvisibility=hidden), but redefined as a macro

* that calls PyCFunction_NewEx. */

PyAPI_FUNC(PyObject *) PyCFunction_New(PyMethodDef *, PyObject *);

#define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL)

/* PyCFunction_NewEx is similar: on 3.9+, this calls PyCMethod_New. */

PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *,

PyObject *);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000

#define PyCFunction_NewEx(ML, SELF, MOD) PyCMethod_New((ML), (SELF), (MOD), NULL)

PyAPI_FUNC(PyObject *) PyCMethod_New(PyMethodDef *, PyObject *,

PyObject *, PyTypeObject *);

#endif

/* Flag passed to newmethodobject */

/* #define METH_OLDARGS 0x0000 -- unsupported now */

#define METH_VARARGS 0x0001

#define METH_KEYWORDS 0x0002

/* METH_NOARGS and METH_O must not be combined with the flags above. */

#define METH_NOARGS 0x0004

#define METH_O 0x0008

/* METH_CLASS and METH_STATIC are a little different; these control

the construction of methods for a class. These cannot be used for

functions in modules. */

#define METH_CLASS 0x0010

#define METH_STATIC 0x0020

/* METH_COEXIST allows a method to be entered even though a slot has

already filled the entry. When defined, the flag allows a separate

method, "__contains__" for example, to coexist with a defined

slot like sq_contains. */

#define METH_COEXIST 0x0040

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030a0000

# define METH_FASTCALL 0x0080

#endif

/* This bit is preserved for Stackless Python */

#ifdef STACKLESS

# define METH_STACKLESS 0x0100

#else

# define METH_STACKLESS 0x0000

#endif

/* METH_METHOD means the function stores an

* additional reference to the class that defines it;

* both self and class are passed to it.

* It uses PyCMethodObject instead of PyCFunctionObject.

* May not be combined with METH_NOARGS, METH_O, METH_CLASS or METH_STATIC.

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000

#define METH_METHOD 0x0200

#endif

#ifndef Py_LIMITED_API

# define Py_CPYTHON_METHODOBJECT_H

# include "cpython/methodobject.h"

# undef Py_CPYTHON_METHODOBJECT_H

#endif

#ifdef __cplusplus

}

#endif

#endif /* !Py_METHODOBJECT_H */

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Uh oh!

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

Uh oh!

FilesExpand file tree

methodobject.h

Latest commit

History

methodobject.h

File metadata and controls