cpython/Include/funcobject.h

121 lines
4.5 KiB
C

/* Function object interface */
#ifndef Py_LIMITED_API
#ifndef Py_FUNCOBJECT_H
#define Py_FUNCOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
#define COMMON_FIELDS(PREFIX) \
PyObject *PREFIX ## globals; \
PyObject *PREFIX ## builtins; \
PyObject *PREFIX ## name; \
PyObject *PREFIX ## qualname; \
PyObject *PREFIX ## code; /* A code object, the __code__ attribute */ \
PyObject *PREFIX ## defaults; /* NULL or a tuple */ \
PyObject *PREFIX ## kwdefaults; /* NULL or a dict */ \
PyObject *PREFIX ## closure; /* NULL or a tuple of cell objects */
typedef struct {
COMMON_FIELDS(fc_)
} PyFrameConstructor;
/* Function objects and code objects should not be confused with each other:
*
* Function objects are created by the execution of the 'def' statement.
* They reference a code object in their __code__ attribute, which is a
* purely syntactic object, i.e. nothing more than a compiled version of some
* source code lines. There is one code object per source code "fragment",
* but each code object can be referenced by zero or many function objects
* depending only on how many times the 'def' statement in the source was
* executed so far.
*/
typedef struct {
PyObject_HEAD
COMMON_FIELDS(func_)
PyObject *func_doc; /* The __doc__ attribute, can be anything */
PyObject *func_dict; /* The __dict__ attribute, a dict or NULL */
PyObject *func_weakreflist; /* List of weak references */
PyObject *func_module; /* The __module__ attribute, can be anything */
PyObject *func_annotations; /* Annotations, a dict or NULL */
vectorcallfunc vectorcall;
/* Version number for use by specializer.
* Can set to non-zero when we want to specialize.
* Will be set to zero if any of these change:
* defaults
* kwdefaults (only if the object changes, not the contents of the dict)
* code
* annotations */
uint32_t func_version;
/* Invariant:
* func_closure contains the bindings for func_code->co_freevars, so
* PyTuple_Size(func_closure) == PyCode_GetNumFree(func_code)
* (func_closure may be NULL if PyCode_GetNumFree(func_code) == 0).
*/
} PyFunctionObject;
PyAPI_DATA(PyTypeObject) PyFunction_Type;
#define PyFunction_Check(op) Py_IS_TYPE(op, &PyFunction_Type)
PyAPI_FUNC(PyObject *) PyFunction_New(PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_NewWithQualName(PyObject *, PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetCode(PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetGlobals(PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetModule(PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetDefaults(PyObject *);
PyAPI_FUNC(int) PyFunction_SetDefaults(PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetKwDefaults(PyObject *);
PyAPI_FUNC(int) PyFunction_SetKwDefaults(PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetClosure(PyObject *);
PyAPI_FUNC(int) PyFunction_SetClosure(PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyFunction_GetAnnotations(PyObject *);
PyAPI_FUNC(int) PyFunction_SetAnnotations(PyObject *, PyObject *);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) _PyFunction_Vectorcall(
PyObject *func,
PyObject *const *stack,
size_t nargsf,
PyObject *kwnames);
uint32_t _PyFunction_GetVersionForCurrentState(PyFunctionObject *func);
#endif
/* Macros for direct access to these values. Type checks are *not*
done, so use with care. */
#define PyFunction_GET_CODE(func) \
(((PyFunctionObject *)func) -> func_code)
#define PyFunction_GET_GLOBALS(func) \
(((PyFunctionObject *)func) -> func_globals)
#define PyFunction_GET_MODULE(func) \
(((PyFunctionObject *)func) -> func_module)
#define PyFunction_GET_DEFAULTS(func) \
(((PyFunctionObject *)func) -> func_defaults)
#define PyFunction_GET_KW_DEFAULTS(func) \
(((PyFunctionObject *)func) -> func_kwdefaults)
#define PyFunction_GET_CLOSURE(func) \
(((PyFunctionObject *)func) -> func_closure)
#define PyFunction_GET_ANNOTATIONS(func) \
(((PyFunctionObject *)func) -> func_annotations)
#define PyFunction_AS_FRAME_CONSTRUCTOR(func) \
((PyFrameConstructor *)&((PyFunctionObject *)(func))->func_globals)
/* The classmethod and staticmethod types lives here, too */
PyAPI_DATA(PyTypeObject) PyClassMethod_Type;
PyAPI_DATA(PyTypeObject) PyStaticMethod_Type;
PyAPI_FUNC(PyObject *) PyClassMethod_New(PyObject *);
PyAPI_FUNC(PyObject *) PyStaticMethod_New(PyObject *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_FUNCOBJECT_H */
#endif /* Py_LIMITED_API */