cpython/Include/funcobject.h
Martin v. Löwis 9f2e346911 Merged revisions 56467-56482 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk

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  r56477 | martin.v.loewis | 2007-07-21 09:04:38 +0200 (Sa, 21 Jul 2007) | 11 lines

  Merged revisions 56466-56476 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r56476 | martin.v.loewis | 2007-07-21 08:55:02 +0200 (Sa, 21 Jul 2007) | 4 lines

    PEP 3123: Provide forward compatibility with Python 3.0, while keeping
    backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
    PyVarObject_HEAD_INIT.
  ........
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  r56478 | martin.v.loewis | 2007-07-21 09:47:23 +0200 (Sa, 21 Jul 2007) | 2 lines

  PEP 3123: Use proper C inheritance for PyObject.
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  r56479 | martin.v.loewis | 2007-07-21 10:06:55 +0200 (Sa, 21 Jul 2007) | 3 lines

  Add longintrepr.h to Python.h, so that the compiler can
  see that PyFalse is really some kind of PyObject*.
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  r56480 | martin.v.loewis | 2007-07-21 10:47:18 +0200 (Sa, 21 Jul 2007) | 2 lines

  Qualify SHIFT, MASK, BASE.
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  r56482 | martin.v.loewis | 2007-07-21 19:10:57 +0200 (Sa, 21 Jul 2007) | 2 lines

  Correctly refer to _ob_next.
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2007-07-21 17:22:18 +00:00

87 lines
3.5 KiB
C

/* Function object interface */
#ifndef Py_FUNCOBJECT_H
#define Py_FUNCOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/* 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 func_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
PyObject *func_code; /* A code object */
PyObject *func_globals; /* A dictionary (other mappings won't do) */
PyObject *func_defaults; /* NULL or a tuple */
PyObject *func_kwdefaults; /* NULL or a dict */
PyObject *func_closure; /* NULL or a tuple of cell objects */
PyObject *func_doc; /* The __doc__ attribute, can be anything */
PyObject *func_name; /* The __name__ attribute, a string object */
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 */
/* 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_Type(op) == &PyFunction_Type)
PyAPI_FUNC(PyObject *) PyFunction_New(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 *);
/* 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)
/* 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 */