pocketpy/src/public/modules.c
2024-06-26 01:02:45 +08:00

49 lines
1.3 KiB
C

#include "pocketpy/pocketpy.h"
#include "pocketpy/common/utils.h"
#include "pocketpy/objects/object.h"
#include "pocketpy/interpreter/vm.h"
py_Ref py_getmodule(const char *name){
pk_VM* vm = pk_current_vm;
return pk_NameDict__try_get(&vm->modules, py_name(name));
}
py_Ref py_newmodule(const char *name, const char *package){
pk_ManagedHeap* heap = &pk_current_vm->heap;
PyObject* obj = pk_ManagedHeap__gcnew(heap, tp_module, -1, 0);
py_Ref r0 = py_pushtmp();
py_Ref r1 = py_pushtmp();
*r0 = PyVar__fromobj(obj);
py_newstr(r1, name);
py_setdict(r0, __name__, r1);
package = package ? package : "";
py_newstr(r1, package);
py_setdict(r0, __package__, r1);
// convert to fullname
if(package[0] != '\0'){
// package.name
char buf[256];
snprintf(buf, sizeof(buf), "%s.%s", package, name);
name = buf;
}
py_newstr(r1, name);
py_setdict(r0, __path__, r1);
// we do not allow override in order to avoid memory leak
// it is because Module objects are not garbage collected
bool exists = pk_NameDict__contains(&pk_current_vm->modules, py_name(name));
if(exists) abort();
pk_NameDict__set(&pk_current_vm->modules, py_name(name), *r0);
py_poptmp(2);
return py_getmodule(name);
}