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920dae64 AT |
1 | |
2 | /* Method object interface */ | |
3 | ||
4 | #ifndef Py_METHODOBJECT_H | |
5 | #define Py_METHODOBJECT_H | |
6 | #ifdef __cplusplus | |
7 | extern "C" { | |
8 | #endif | |
9 | ||
10 | /* This is about the type 'builtin_function_or_method', | |
11 | not Python methods in user-defined classes. See classobject.h | |
12 | for the latter. */ | |
13 | ||
14 | PyAPI_DATA(PyTypeObject) PyCFunction_Type; | |
15 | ||
16 | #define PyCFunction_Check(op) ((op)->ob_type == &PyCFunction_Type) | |
17 | ||
18 | typedef PyObject *(*PyCFunction)(PyObject *, PyObject *); | |
19 | typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *, | |
20 | PyObject *); | |
21 | typedef PyObject *(*PyNoArgsFunction)(PyObject *); | |
22 | ||
23 | PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *); | |
24 | PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *); | |
25 | PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *); | |
26 | ||
27 | /* Macros for direct access to these values. Type checks are *not* | |
28 | done, so use with care. */ | |
29 | #define PyCFunction_GET_FUNCTION(func) \ | |
30 | (((PyCFunctionObject *)func) -> m_ml -> ml_meth) | |
31 | #define PyCFunction_GET_SELF(func) \ | |
32 | (((PyCFunctionObject *)func) -> m_self) | |
33 | #define PyCFunction_GET_FLAGS(func) \ | |
34 | (((PyCFunctionObject *)func) -> m_ml -> ml_flags) | |
35 | PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *); | |
36 | ||
37 | struct PyMethodDef { | |
38 | char *ml_name; /* The name of the built-in function/method */ | |
39 | PyCFunction ml_meth; /* The C function that implements it */ | |
40 | int ml_flags; /* Combination of METH_xxx flags, which mostly | |
41 | describe the args expected by the C func */ | |
42 | char *ml_doc; /* The __doc__ attribute, or NULL */ | |
43 | }; | |
44 | typedef struct PyMethodDef PyMethodDef; | |
45 | ||
46 | PyAPI_FUNC(PyObject *) Py_FindMethod(PyMethodDef[], PyObject *, char *); | |
47 | ||
48 | #define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL) | |
49 | PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *, | |
50 | PyObject *); | |
51 | ||
52 | /* Flag passed to newmethodobject */ | |
53 | #define METH_OLDARGS 0x0000 | |
54 | #define METH_VARARGS 0x0001 | |
55 | #define METH_KEYWORDS 0x0002 | |
56 | /* METH_NOARGS and METH_O must not be combined with the flags above. */ | |
57 | #define METH_NOARGS 0x0004 | |
58 | #define METH_O 0x0008 | |
59 | ||
60 | /* METH_CLASS and METH_STATIC are a little different; these control | |
61 | the construction of methods for a class. These cannot be used for | |
62 | functions in modules. */ | |
63 | #define METH_CLASS 0x0010 | |
64 | #define METH_STATIC 0x0020 | |
65 | ||
66 | /* METH_COEXIST allows a method to be entered eventhough a slot has | |
67 | already filled the entry. When defined, the flag allows a separate | |
68 | method, "__contains__" for example, to coexist with a defined | |
69 | slot like sq_contains. */ | |
70 | ||
71 | #define METH_COEXIST 0x0040 | |
72 | ||
73 | typedef struct PyMethodChain { | |
74 | PyMethodDef *methods; /* Methods of this type */ | |
75 | struct PyMethodChain *link; /* NULL or base type */ | |
76 | } PyMethodChain; | |
77 | ||
78 | PyAPI_FUNC(PyObject *) Py_FindMethodInChain(PyMethodChain *, PyObject *, | |
79 | char *); | |
80 | ||
81 | typedef struct { | |
82 | PyObject_HEAD | |
83 | PyMethodDef *m_ml; /* Description of the C function to call */ | |
84 | PyObject *m_self; /* Passed as 'self' arg to the C func, can be NULL */ | |
85 | PyObject *m_module; /* The __module__ attribute, can be anything */ | |
86 | } PyCFunctionObject; | |
87 | ||
88 | #ifdef __cplusplus | |
89 | } | |
90 | #endif | |
91 | #endif /* !Py_METHODOBJECT_H */ |