pocketpy/src/public/py_mappingproxy.c
2025-06-22 16:31:46 +08:00

97 lines
3.0 KiB
C

#include "pocketpy/pocketpy.h"
#include "pocketpy/objects/object.h"
#include "pocketpy/interpreter/vm.h"
#include <stdbool.h>
void pk_mappingproxy__namedict(py_Ref out, py_Ref object) {
py_newobject(out, tp_namedict, 1, 0);
assert(object->is_ptr && object->_obj->slots == -1);
py_setslot(out, 0, object);
}
static bool namedict__getitem__(int argc, py_Ref argv) {
PY_CHECK_ARGC(2);
PY_CHECK_ARG_TYPE(1, tp_str);
py_Name name = py_namev(py_tosv(py_arg(1)));
py_Ref res = py_getdict(py_getslot(argv, 0), name);
if(!res) return KeyError(py_arg(1));
py_assign(py_retval(), res);
return true;
}
static bool namedict__get(int argc, py_Ref argv) {
PY_CHECK_ARGC(3);
PY_CHECK_ARG_TYPE(1, tp_str);
py_Name name = py_namev(py_tosv(py_arg(1)));
py_Ref res = py_getdict(py_getslot(argv, 0), name);
py_assign(py_retval(), res ? res : py_arg(2));
return true;
}
static bool namedict__setitem__(int argc, py_Ref argv) {
PY_CHECK_ARGC(3);
PY_CHECK_ARG_TYPE(1, tp_str);
py_Name name = py_namev(py_tosv(py_arg(1)));
py_setdict(py_getslot(argv, 0), name, py_arg(2));
py_newnone(py_retval());
return true;
}
static bool namedict__delitem__(int argc, py_Ref argv) {
PY_CHECK_ARGC(2);
PY_CHECK_ARG_TYPE(1, tp_str);
py_Name name = py_namev(py_tosv(py_arg(1)));
if(!py_deldict(py_getslot(argv, 0), name)) return KeyError(py_arg(1));
py_newnone(py_retval());
return true;
}
static bool namedict__contains__(int argc, py_Ref argv) {
PY_CHECK_ARGC(2);
PY_CHECK_ARG_TYPE(1, tp_str);
py_Name name = py_namev(py_tosv(py_arg(1)));
py_Ref res = py_getdict(py_getslot(argv, 0), name);
py_newbool(py_retval(), res != NULL);
return true;
}
static bool namedict_items(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
py_Ref object = py_getslot(argv, 0);
NameDict* dict = PyObject__dict(object->_obj);
py_newlist(py_retval());
for(int i = 0; i < dict->capacity; i++) {
NameDict_KV* kv = &dict->items[i];
if(kv->key == NULL) continue;
py_Ref slot = py_list_emplace(py_retval());
py_Ref p = py_newtuple(slot, 2);
p[0] = *py_name2ref(kv->key);
p[1] = kv->value;
}
return true;
}
static bool namedict_clear(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
py_Ref object = py_getslot(argv, 0);
NameDict* dict = PyObject__dict(object->_obj);
NameDict__clear(dict);
py_newnone(py_retval());
return true;
}
py_Type pk_namedict__register() {
py_Type type = pk_newtype("namedict", tp_object, NULL, NULL, false, true);
py_bindmagic(type, __getitem__, namedict__getitem__);
py_bindmagic(type, __setitem__, namedict__setitem__);
py_bindmagic(type, __delitem__, namedict__delitem__);
py_bindmagic(type, __contains__, namedict__contains__);
py_setdict(py_tpobject(type), __hash__, py_None());
py_bindmethod(type, "items", namedict_items);
py_bindmethod(type, "clear", namedict_clear);
py_bindmethod(type, "get", namedict__get);
return type;
}