/* code to create classes C and D */
static void setup_classes()
{
#ifdef TAGGING
pyobj zero = inject_int(0);
pyobj one = inject_int(1);
#else
pyobj zero = create_int(0);
pyobj one = create_int(1);
#endif
pyobj list0 = create_list(zero);
pyobj list1 = create_list(one);
// class C:
// def m(self):
// return self.f
C = create_class(list0);
// Add method m to the class.
set_attr(C, "m", create_closure(C_m, list0));
// class D(C):
// def m(self):
// return self.f + 1
set_subscript(list1, zero, C); // list1[0] = C
D = create_class(list1);
pyobj D_m_closure = create_closure(D_m, list0);
set_attr(D, "m", create_closure(D_m, list0));
pyobj D_n_closure = create_closure(D_n, list0);
set_attr(D, "n", create_closure(D_n, list0));
}
int main (int argc, char *argv[])
{
big_pyobj *f, *freevars;
int i;
/**
* test1: simple closure with no free vars
* f = lambda x: x
* decref(list)
*/
pymem_init();
freevars = create_list(inject_int(0));
incref(freevars);
f = create_closure(dummy_function, inject_big(freevars));
incref(f);
assert (freevars->ref_ctr == 2);
decref(f);
assert (freevars->ref_ctr == 1);
decref(freevars);
pymem_print_stats();
pymem_shutdown();
}
int main (int argc, char *argv[])
{
big_pyobj *A_parents;
big_pyobj *A;
big_pyobj *freevars;
big_pyobj *f;
big_pyobj *ubmethod;
int i;
/**
* test1: retrieve unbound method from simple class
* class A:
* f = lambda x: x
* dependencies:
* f -> freevars
* A -> A_parents
* A -> f (via A.f)
* ubmethod -> f
* ubmethod -> A
*/
pymem_init();
freevars = create_list(inject_int(0));
incref(freevars);
f = create_closure(dummy_function, inject_big(freevars));
incref(f);
A_parents = create_list(inject_int(0));
incref(A_parents);
A = create_class(inject_big(A_parents));
incref(A);
assert (A_parents->ref_ctr == 2);
set_attr(inject_big(A), "f", inject_big(f));
assert (f->ref_ctr == 2);
ubmethod = project_big(get_attr(inject_big(A), "f"));
incref(ubmethod);
assert (A->ref_ctr == 2);
assert (f->ref_ctr == 3);
decref(freevars);
assert (freevars->ref_ctr == 1);
decref(f);
assert (f->ref_ctr == 2);
decref(A_parents);
assert(A_parents->ref_ctr == 1);
decref(A);
assert(A->ref_ctr == 1);
// at this point only the unbound method is keeping stuff alive.
pymem_print_stats();
decref(ubmethod);
pymem_print_stats();
pymem_shutdown();
}