/* 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) … #define PyCFunction_Check(op) … PyCFunction; PyCFunctionFast; PyCFunctionWithKeywords; PyCFunctionFastWithKeywords; PyCMethod; // 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. _PyCFunctionFast; _PyCFunctionFastWithKeywords; // Cast an 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) … PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *); PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *); PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *); struct PyMethodDef { … }; /* 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 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) … PyAPI_FUNC(PyObject *) PyCMethod_New(PyMethodDef *, PyObject *, PyObject *, PyTypeObject *); #endif /* Flag passed to newmethodobject */ /* #define METH_OLDARGS 0x0000 -- unsupported now */ #define METH_VARARGS … #define METH_KEYWORDS … /* METH_NOARGS and METH_O must not be combined with the flags above. */ #define METH_NOARGS … #define METH_O … /* 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 … #define METH_STATIC … /* 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 … #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030a0000 #define METH_FASTCALL … #endif /* This bit is preserved for Stackless Python */ #ifdef STACKLESS #define METH_STACKLESS … #else #define METH_STACKLESS … #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 … #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 */