Box* frozensetNew(Box* _cls, Box* container, BoxedDict* kwargs) {
RELEASE_ASSERT(_cls->cls == type_cls, "");
BoxedClass* cls = static_cast<BoxedClass*>(_cls);
RELEASE_ASSERT(isSubclass(cls, frozenset_cls), "");
if (_cls == frozenset_cls && !_PyArg_NoKeywords("frozenset()", kwargs)) {
throwCAPIException();
}
if (_cls != frozenset_cls) {
return makeNewSet(cls, container);
}
if (container != NULL) {
if (container->cls == frozenset_cls)
return incref(container);
BoxedSet* result = makeNewSet(cls, container);
if (result->s.size() != 0) {
return result;
}
Py_DECREF(result);
}
static Box* emptyfrozenset = NULL;
if (!emptyfrozenset) {
emptyfrozenset = new (frozenset_cls) BoxedSet();
PyGC_RegisterStaticConstant(emptyfrozenset);
}
Py_INCREF(emptyfrozenset);
return emptyfrozenset;
}
extern "C" PyCodeObject* PyCode_NewEmpty(const char* filename, const char* funcname, int firstlineno) noexcept {
static PyObject* emptystring = NULL;
static PyObject* nulltuple = NULL;
PyObject* filename_ob = NULL;
PyObject* funcname_ob = NULL;
PyCodeObject* result = NULL;
if (emptystring == NULL) {
emptystring = PyGC_RegisterStaticConstant(PyString_FromString(""));
if (emptystring == NULL)
goto failed;
}
if (nulltuple == NULL) {
nulltuple = PyGC_RegisterStaticConstant(PyTuple_New(0));
if (nulltuple == NULL)
goto failed;
}
funcname_ob = PyString_FromString(funcname);
if (funcname_ob == NULL)
goto failed;
filename_ob = PyString_FromString(filename);
if (filename_ob == NULL)
goto failed;
result = PyCode_New(0, /* argcount */
0, /* nlocals */
0, /* stacksize */
0, /* flags */
emptystring, /* code */
nulltuple, /* consts */
nulltuple, /* names */
nulltuple, /* varnames */
nulltuple, /* freevars */
nulltuple, /* cellvars */
filename_ob, /* filename */
funcname_ob, /* name */
firstlineno, /* firstlineno */
emptystring /* lnotab */
);
failed:
Py_XDECREF(funcname_ob);
Py_XDECREF(filename_ob);
return result;
}
static void
setup_readline(void)
{
#ifdef SAVE_LOCALE
char *saved_locale = strdup(setlocale(LC_CTYPE, NULL));
if (!saved_locale)
Py_FatalError("not enough memory to save locale");
#endif
#ifdef __APPLE__
/* the libedit readline emulation resets key bindings etc
* when calling rl_initialize. So call it upfront
*/
if (using_libedit_emulation)
rl_initialize();
/* Detect if libedit's readline emulation uses 0-based
* indexing or 1-based indexing.
*/
add_history("1");
if (history_get(1) == NULL) {
libedit_history_start = 0;
} else {
libedit_history_start = 1;
}
clear_history();
#endif /* __APPLE__ */
using_history();
rl_readline_name = "python";
#if defined(PYOS_OS2) && defined(PYCC_GCC)
/* Allow $if term= in .inputrc to work */
rl_terminal_name = getenv("TERM");
#endif
/* Force rebind of TAB to insert-tab */
rl_bind_key('\t', rl_insert);
/* Bind both ESC-TAB and ESC-ESC to the completion function */
rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap);
rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap);
/* Set our hook functions */
rl_startup_hook = on_startup_hook;
#ifdef HAVE_RL_PRE_INPUT_HOOK
rl_pre_input_hook = on_pre_input_hook;
#endif
/* Set our completion function */
rl_attempted_completion_function = flex_complete;
/* Set Python word break characters */
completer_word_break_characters =
rl_completer_word_break_characters =
strdup(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?");
/* All nonalphanums except '.' */
begidx = PyGC_RegisterStaticConstant(PyInt_FromLong(0L));
endidx = PyGC_RegisterStaticConstant(PyInt_FromLong(0L));
PyGC_RegisterStaticConstantLocation(&completer);
/* Initialize (allows .inputrc to override)
*
* XXX: A bug in the readline-2.2 library causes a memory leak
* inside this function. Nothing we can do about it.
*/
#ifdef __APPLE__
if (using_libedit_emulation)
rl_read_init_file(NULL);
else
#endif /* __APPLE__ */
rl_initialize();
RESTORE_LOCALE(saved_locale)
}
