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static analyze: python dynamic_cast checks

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This commit is contained in:
Alexander Alekhin 2017-07-06 15:57:12 +03:00
parent f670a99270
commit b32d914aab
1 changed files with 19 additions and 6 deletions
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25
modules/python/src2/gen2.py
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@ -11,14 +11,18 @@ else:
ignored_arg_types = ["RNG*"]
gen_template_check_self = Template(""" if(!PyObject_TypeCheck(self, &pyopencv_${name}_Type))
gen_template_check_self = Template(""" $cname* _self_ = NULL;
if(PyObject_TypeCheck(self, &pyopencv_${name}_Type))
_self_ = ${amp}((pyopencv_${name}_t*)self)->v${get};
if (_self_ == NULL)
return failmsgp("Incorrect type of self (must be '${name}' or its derivative)");
$cname* _self_ = ${amp}((pyopencv_${name}_t*)self)->v${get};
""")
gen_template_check_self_algo = Template(""" if(!PyObject_TypeCheck(self, &pyopencv_${name}_Type))
gen_template_check_self_algo = Template(""" $cname* _self_ = NULL;
if(PyObject_TypeCheck(self, &pyopencv_${name}_Type))
_self_ = dynamic_cast<$cname*>(${amp}((pyopencv_${name}_t*)self)->v.get());
if (_self_ == NULL)
return failmsgp("Incorrect type of self (must be '${name}' or its derivative)");
$cname* _self_ = dynamic_cast<$cname*>(${amp}((pyopencv_${name}_t*)self)->v.get());
""")
gen_template_call_constructor_prelude = Template("""self = PyObject_NEW(pyopencv_${name}_t, &pyopencv_${name}_Type);
@ -200,7 +204,10 @@ static PyObject* pyopencv_${name}_get_${member}(pyopencv_${name}_t* p, void *clo
gen_template_get_prop_algo = Template("""
static PyObject* pyopencv_${name}_get_${member}(pyopencv_${name}_t* p, void *closure)
{
return pyopencv_from(dynamic_cast<$cname*>(p->v.get())${access}${member});
$cname* _self_ = dynamic_cast<$cname*>(p->v.get());
if (_self_ == NULL)
return failmsgp("Incorrect type of object (must be '${name}' or its derivative)");
return pyopencv_from(_self_${access}${member});
}
""")
@ -224,7 +231,13 @@ static int pyopencv_${name}_set_${member}(pyopencv_${name}_t* p, PyObject *value
PyErr_SetString(PyExc_TypeError, "Cannot delete the ${member} attribute");
return -1;
}
return pyopencv_to(value, dynamic_cast<$cname*>(p->v.get())${access}${member}) ? 0 : -1;
$cname* _self_ = dynamic_cast<$cname*>(p->v.get());
if (_self_ == NULL)
{
failmsgp("Incorrect type of object (must be '${name}' or its derivative)");
return -1;
}
return pyopencv_to(value, _self_${access}${member}) ? 0 : -1;
}
""")