funcobject.h 4.1 KB

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  1. /* Function object interface */
  2. #ifndef Py_LIMITED_API
  3. #ifndef Py_FUNCOBJECT_H
  4. #define Py_FUNCOBJECT_H
  5. #ifdef __cplusplus
  6. extern "C" {
  7. #endif
  8. /* Function objects and code objects should not be confused with each other:
  9. *
  10. * Function objects are created by the execution of the 'def' statement.
  11. * They reference a code object in their __code__ attribute, which is a
  12. * purely syntactic object, i.e. nothing more than a compiled version of some
  13. * source code lines. There is one code object per source code "fragment",
  14. * but each code object can be referenced by zero or many function objects
  15. * depending only on how many times the 'def' statement in the source was
  16. * executed so far.
  17. */
  18. typedef struct {
  19. PyObject_HEAD
  20. PyObject *func_code; /* A code object, the __code__ attribute */
  21. PyObject *func_globals; /* A dictionary (other mappings won't do) */
  22. PyObject *func_defaults; /* NULL or a tuple */
  23. PyObject *func_kwdefaults; /* NULL or a dict */
  24. PyObject *func_closure; /* NULL or a tuple of cell objects */
  25. PyObject *func_doc; /* The __doc__ attribute, can be anything */
  26. PyObject *func_name; /* The __name__ attribute, a string object */
  27. PyObject *func_dict; /* The __dict__ attribute, a dict or NULL */
  28. PyObject *func_weakreflist; /* List of weak references */
  29. PyObject *func_module; /* The __module__ attribute, can be anything */
  30. PyObject *func_annotations; /* Annotations, a dict or NULL */
  31. PyObject *func_qualname; /* The qualified name */
  32. /* Invariant:
  33. * func_closure contains the bindings for func_code->co_freevars, so
  34. * PyTuple_Size(func_closure) == PyCode_GetNumFree(func_code)
  35. * (func_closure may be NULL if PyCode_GetNumFree(func_code) == 0).
  36. */
  37. } PyFunctionObject;
  38. PyAPI_DATA(PyTypeObject) PyFunction_Type;
  39. #define PyFunction_Check(op) (Py_TYPE(op) == &PyFunction_Type)
  40. PyAPI_FUNC(PyObject *) PyFunction_New(PyObject *, PyObject *);
  41. PyAPI_FUNC(PyObject *) PyFunction_NewWithQualName(PyObject *, PyObject *, PyObject *);
  42. PyAPI_FUNC(PyObject *) PyFunction_GetCode(PyObject *);
  43. PyAPI_FUNC(PyObject *) PyFunction_GetGlobals(PyObject *);
  44. PyAPI_FUNC(PyObject *) PyFunction_GetModule(PyObject *);
  45. PyAPI_FUNC(PyObject *) PyFunction_GetDefaults(PyObject *);
  46. PyAPI_FUNC(int) PyFunction_SetDefaults(PyObject *, PyObject *);
  47. PyAPI_FUNC(PyObject *) PyFunction_GetKwDefaults(PyObject *);
  48. PyAPI_FUNC(int) PyFunction_SetKwDefaults(PyObject *, PyObject *);
  49. PyAPI_FUNC(PyObject *) PyFunction_GetClosure(PyObject *);
  50. PyAPI_FUNC(int) PyFunction_SetClosure(PyObject *, PyObject *);
  51. PyAPI_FUNC(PyObject *) PyFunction_GetAnnotations(PyObject *);
  52. PyAPI_FUNC(int) PyFunction_SetAnnotations(PyObject *, PyObject *);
  53. #ifndef Py_LIMITED_API
  54. PyAPI_FUNC(PyObject *) _PyFunction_FastCallDict(
  55. PyObject *func,
  56. PyObject *const *args,
  57. Py_ssize_t nargs,
  58. PyObject *kwargs);
  59. PyAPI_FUNC(PyObject *) _PyFunction_FastCallKeywords(
  60. PyObject *func,
  61. PyObject *const *stack,
  62. Py_ssize_t nargs,
  63. PyObject *kwnames);
  64. #endif
  65. /* Macros for direct access to these values. Type checks are *not*
  66. done, so use with care. */
  67. #define PyFunction_GET_CODE(func) \
  68. (((PyFunctionObject *)func) -> func_code)
  69. #define PyFunction_GET_GLOBALS(func) \
  70. (((PyFunctionObject *)func) -> func_globals)
  71. #define PyFunction_GET_MODULE(func) \
  72. (((PyFunctionObject *)func) -> func_module)
  73. #define PyFunction_GET_DEFAULTS(func) \
  74. (((PyFunctionObject *)func) -> func_defaults)
  75. #define PyFunction_GET_KW_DEFAULTS(func) \
  76. (((PyFunctionObject *)func) -> func_kwdefaults)
  77. #define PyFunction_GET_CLOSURE(func) \
  78. (((PyFunctionObject *)func) -> func_closure)
  79. #define PyFunction_GET_ANNOTATIONS(func) \
  80. (((PyFunctionObject *)func) -> func_annotations)
  81. /* The classmethod and staticmethod types lives here, too */
  82. PyAPI_DATA(PyTypeObject) PyClassMethod_Type;
  83. PyAPI_DATA(PyTypeObject) PyStaticMethod_Type;
  84. PyAPI_FUNC(PyObject *) PyClassMethod_New(PyObject *);
  85. PyAPI_FUNC(PyObject *) PyStaticMethod_New(PyObject *);
  86. #ifdef __cplusplus
  87. }
  88. #endif
  89. #endif /* !Py_FUNCOBJECT_H */
  90. #endif /* Py_LIMITED_API */