diff options
| -rw-r--r-- | Include/methodobject.h | 10 | ||||
| -rw-r--r-- | Objects/methodobject.c | 37 |
2 files changed, 47 insertions, 0 deletions
diff --git a/Include/methodobject.h b/Include/methodobject.h index 81e84ce..cd1d265 100644 --- a/Include/methodobject.h +++ b/Include/methodobject.h @@ -43,6 +43,8 @@ struct PyMethodDef { }; typedef struct PyMethodDef PyMethodDef; +PyAPI_FUNC(PyObject *) Py_FindMethod(PyMethodDef[], PyObject *, const char *); + #define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL) PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *, PyObject *); @@ -68,6 +70,14 @@ PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *, #define METH_COEXIST 0x0040 +typedef struct PyMethodChain { + PyMethodDef *methods; /* Methods of this type */ + struct PyMethodChain *link; /* NULL or base type */ +} PyMethodChain; + +PyAPI_FUNC(PyObject *) Py_FindMethodInChain(PyMethodChain *, PyObject *, + const char *); + typedef struct { PyObject_HEAD PyMethodDef *m_ml; /* Description of the C function to call */ diff --git a/Objects/methodobject.c b/Objects/methodobject.c index cb6f1ba..3d208c1 100644 --- a/Objects/methodobject.c +++ b/Objects/methodobject.c @@ -280,6 +280,43 @@ PyTypeObject PyCFunction_Type = { 0, /* tp_dict */ }; +/* Find a method in a method chain */ + +PyObject * +Py_FindMethodInChain(PyMethodChain *chain, PyObject *self, const char *name) +{ + if (name[0] == '_' && name[1] == '_') { + if (strcmp(name, "__doc__") == 0) { + const char *doc = self->ob_type->tp_doc; + if (doc != NULL) + return PyUnicode_FromString(doc); + } + } + while (chain != NULL) { + PyMethodDef *ml = chain->methods; + for (; ml->ml_name != NULL; ml++) { + if (name[0] == ml->ml_name[0] && + strcmp(name+1, ml->ml_name+1) == 0) + /* XXX */ + return PyCFunction_New(ml, self); + } + chain = chain->link; + } + PyErr_SetString(PyExc_AttributeError, name); + return NULL; +} + +/* Find a method in a single method list */ + +PyObject * +Py_FindMethod(PyMethodDef *methods, PyObject *self, const char *name) +{ + PyMethodChain chain; + chain.methods = methods; + chain.link = NULL; + return Py_FindMethodInChain(&chain, self, name); +} + /* Clear out the free list */ int |