pocketpy/src/bindings/py_array.c
2025-09-08 15:41:44 +08:00

96 lines
2.7 KiB
C

#include "pocketpy/pocketpy.h"
#include "pocketpy/objects/object.h"
#include "pocketpy/objects/iterator.h"
#include "pocketpy/interpreter/vm.h"
int pk_arrayview(py_Ref self, py_TValue** p) {
if(self->type == tp_list) {
*p = py_list_data(self);
return py_list_len(self);
}
if(self->type == tp_tuple) {
*p = PyObject__slots(self->_obj);
return py_tuple_len(self);
}
return -1;
}
bool pk_wrapper__arrayequal(py_Type type, int argc, py_Ref argv) {
PY_CHECK_ARGC(2);
if(!py_istype(py_arg(1), type)) {
py_newnotimplemented(py_retval());
return true;
}
py_TValue *p0, *p1;
int lhs_length = pk_arrayview(py_arg(0), &p0);
int rhs_length = pk_arrayview(py_arg(1), &p1);
assert(lhs_length != -1 && rhs_length != -1);
if(lhs_length != rhs_length) {
py_newbool(py_retval(), false);
return true;
}
for(int i = 0; i < lhs_length; i++) {
int res = py_equal(p0 + i, p1 + i);
if(res == -1) return false;
if(!res) {
py_newbool(py_retval(), false);
return true;
}
}
py_newbool(py_retval(), true);
return true;
}
bool pk_arraycontains(py_Ref self, py_Ref val) {
py_TValue* p;
int length = pk_arrayview(self, &p);
if(length == -1) return TypeError("expected list or tuple, got %t", self->type);
for(int i = 0; i < length; i++) {
int res = py_equal(p + i, val);
if(res == -1) return false;
if(res) {
py_newbool(py_retval(), true);
return true;
}
}
py_newbool(py_retval(), false);
return true;
}
bool list_iterator__next__(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
list_iterator* ud = py_touserdata(argv);
if(ud->index < ud->vec->length) {
py_TValue* res = c11__at(py_TValue, ud->vec, ud->index);
py_assign(py_retval(), res);
ud->index++;
return true;
}
return StopIteration();
}
bool tuple_iterator__next__(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
tuple_iterator* ud = py_touserdata(argv);
if(ud->index < ud->length) {
py_assign(py_retval(), ud->p + ud->index);
ud->index++;
return true;
}
return StopIteration();
}
py_Type pk_list_iterator__register() {
py_Type type = pk_newtype("list_iterator", tp_object, NULL, NULL, false, true);
py_bindmagic(type, __iter__, pk_wrapper__self);
py_bindmagic(type, __next__, list_iterator__next__);
return type;
}
py_Type pk_tuple_iterator__register() {
py_Type type = pk_newtype("tuple_iterator", tp_object, NULL, NULL, false, true);
py_bindmagic(type, __iter__, pk_wrapper__self);
py_bindmagic(type, __next__, tuple_iterator__next__);
return type;
}