// args are in reverse order in the array
mp_obj_t fun_native_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_fun_native_t *self = self_in;
if (self->is_kw) {
return fun_native_call_n_kw(self_in, n_args, 0, args);
}
if (self->n_args_min == self->n_args_max) {
// function requires a fixed number of arguments
// check number of arguments
if (n_args != self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError, "function takes %d positional arguments but %d were given", (const char*)(machine_int_t)self->n_args_min, (const char*)(machine_int_t)n_args));
}
// dispatch function call
switch (self->n_args_min) {
case 0:
return ((mp_fun_0_t)self->fun)();
case 1:
return ((mp_fun_1_t)self->fun)(args[0]);
case 2:
return ((mp_fun_2_t)self->fun)(args[1], args[0]);
case 3:
return ((mp_fun_3_t)self->fun)(args[2], args[1], args[0]);
default:
assert(0);
return mp_const_none;
}
} else {
// function takes a variable number of arguments
if (n_args < self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "<fun name>() missing %d required positional arguments: <list of names of params>", (const char*)(machine_int_t)(self->n_args_min - n_args)));
} else if (n_args > self->n_args_max) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError, "<fun name> expected at most %d arguments, got %d", (void*)(machine_int_t)self->n_args_max, (void*)(machine_int_t)n_args));
}
// TODO really the args need to be passed in as a Python tuple, as the form f(*[1,2]) can be used to pass var args
mp_obj_t *args_ordered = m_new(mp_obj_t, n_args);
for (int i = 0; i < n_args; i++) {
args_ordered[i] = args[n_args - i - 1];
}
mp_obj_t res = ((mp_fun_var_t)self->fun)(n_args, args_ordered);
m_del(mp_obj_t, args_ordered, n_args);
return res;
}
}
// args are in reverse order in the array
mp_obj_t gen_wrap_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_gen_wrap_t *self = self_in;
mp_obj_t self_fun = self->fun;
assert(MP_OBJ_IS_TYPE(self_fun, &fun_bc_type));
int bc_n_args;
uint bc_n_state;
const byte *bc_code;
mp_obj_fun_bc_get(self_fun, &bc_n_args, &bc_n_state, &bc_code);
if (n_args != bc_n_args) {
nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_TypeError, "function takes %d positional arguments but %d were given", (const char*)(machine_int_t)bc_n_args, (const char*)(machine_int_t)n_args));
}
return mp_obj_new_gen_instance(bc_code, self->n_state, n_args, args);
}
// args are in reverse order in the array
mp_obj_t fun_bc_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_fun_bc_t *self = self_in;
if (n_args != self->n_args) {
nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_TypeError, "function takes %d positional arguments but %d were given", (const char*)(machine_int_t)self->n_args, (const char*)(machine_int_t)n_args));
}
// optimisation: allow the compiler to optimise this tail call for
// the common case when the globals don't need to be changed
mp_map_t *old_globals = rt_globals_get();
if (self->globals == old_globals) {
return mp_execute_byte_code(self->bytecode, args, n_args, self->n_state);
} else {
rt_globals_set(self->globals);
mp_obj_t result = mp_execute_byte_code(self->bytecode, args, n_args, self->n_state);
rt_globals_set(old_globals);
return result;
}
}
mp_obj_t mp_obj_instance_load_attr(mp_obj_t self_in, qstr attr) {
// logic: look in obj members then class locals (TODO check this against CPython)
mp_obj_instance_t *self = self_in;
mp_map_elem_t *elem = mp_qstr_map_lookup(self->members, attr, false);
if (elem != NULL) {
// object member, always treated as a value
return elem->value;
}
elem = mp_qstr_map_lookup(mp_obj_class_get_locals(self->class), attr, false);
if (elem != NULL) {
if (mp_obj_is_callable(elem->value)) {
// class member is callable so build a bound method
return mp_obj_new_bound_meth(self_in, elem->value);
} else {
// class member is a value, so just return that value
return elem->value;
}
}
nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_AttributeError, "'%s' object has no attribute '%s'", mp_obj_get_type_str(self_in), qstr_str(attr)));
}
// args are in reverse order in the array
mp_obj_t fun_asm_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_fun_asm_t *self = self_in;
if (n_args != self->n_args) {
nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_TypeError, "function takes %d positional arguments but %d were given", (const char*)(machine_int_t)self->n_args, (const char*)(machine_int_t)n_args));
}
machine_uint_t ret;
if (n_args == 0) {
ret = ((inline_asm_fun_0_t)self->fun)();
} else if (n_args == 1) {
ret = ((inline_asm_fun_1_t)self->fun)(convert_obj_for_inline_asm(args[0]));
} else if (n_args == 2) {
ret = ((inline_asm_fun_2_t)self->fun)(convert_obj_for_inline_asm(args[1]), convert_obj_for_inline_asm(args[0]));
} else if (n_args == 3) {
ret = ((inline_asm_fun_3_t)self->fun)(convert_obj_for_inline_asm(args[2]), convert_obj_for_inline_asm(args[1]), convert_obj_for_inline_asm(args[0]));
} else {
assert(0);
ret = 0;
}
return convert_val_from_inline_asm(ret);
}
