Hi guys, have a look at this:
$ cat bar.pyx
cdef extern from "foo.h":
cdef cppclass Foo:
int operator() (int arg)
int do_call (int arg)
cdef int bar(int arg):
cdef Foo foo
foo.do_call(arg)
return foo(arg)
$ cython3 --cplus bar.pyx
$ cat bar.cpp
(...)
static int __pyx_f_3bar_bar(int __pyx_v_arg) {
Foo __pyx_v_foo;
int __pyx_r;
__Pyx_RefNannyDeclarations
__Pyx_RefNannySetupContext("bar", 0);
/* "bar.pyx":9
* cdef int bar(int arg):
* cdef Foo foo
* foo.do_call(arg) # <<<<<<<<<<<<<<
* return foo(arg)
*/
__pyx_v_foo.do_call(__pyx_v_arg);
/* "bar.pyx":10
* cdef Foo foo
* foo.do_call(arg)
* return foo(arg) # <<<<<<<<<<<<<<
*/
__pyx_r = operator()(__pyx_v_arg);
goto __pyx_L0;
/* "bar.pyx":7
*
*
* cdef int bar(int arg): # <<<<<<<<<<<<<<
* cdef Foo foo
* foo.do_call(arg)
*/
/* function exit code */
__pyx_L0:;
__Pyx_RefNannyFinishContext();
return __pyx_r;
}
(...)
Note how the function invocation for "do_call" is generated correctly,
but the invocation of operator() is nonsensical.
The correct line would be this:
__pyx_r = __pyx_v_foo(__pyx_v_arg);
Happy debugging :D
~ mic_e
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