STATIC mp_obj_t parse_compile_execute(mp_obj_t o_in, mp_parse_input_kind_t parse_input_kind) {
uint str_len;
const char *str = mp_obj_str_get_data(o_in, &str_len);
// create the lexer
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_string_gt_, str, str_len, 0);
qstr source_name = mp_lexer_source_name(lex);
// parse the string
mp_parse_error_kind_t parse_error_kind;
mp_parse_node_t pn = mp_parse(lex, parse_input_kind, &parse_error_kind);
mp_lexer_free(lex);
if (pn == MP_PARSE_NODE_NULL) {
// parse error; raise exception
nlr_jump(mp_parse_make_exception(parse_error_kind));
}
// compile the string
mp_obj_t module_fun = mp_compile(pn, source_name, false);
mp_parse_node_free(pn);
if (module_fun == mp_const_none) {
// TODO handle compile error correctly
return mp_const_none;
}
// complied successfully, execute it
return rt_call_function_0(module_fun);
}
static mp_obj_t mp_builtin_eval(mp_obj_t o_in) {
uint str_len;
const byte *str = mp_obj_str_get_data(o_in, &str_len);
// create the lexer
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_string_gt_, (const char*)str, str_len, 0);
qstr source_name = mp_lexer_source_name(lex);
// parse the string
qstr parse_exc_id;
const char *parse_exc_msg;
mp_parse_node_t pn = mp_parse(lex, MP_PARSE_EVAL_INPUT, &parse_exc_id, &parse_exc_msg);
mp_lexer_free(lex);
if (pn == MP_PARSE_NODE_NULL) {
// parse error; raise exception
nlr_jump(mp_obj_new_exception_msg(parse_exc_id, parse_exc_msg));
}
// compile the string
mp_obj_t module_fun = mp_compile(pn, source_name, false);
mp_parse_node_free(pn);
if (module_fun == mp_const_none) {
// TODO handle compile error correctly
return mp_const_none;
}
// complied successfully, execute it
return rt_call_function_0(module_fun);
}
void timer_interrupt(void) {
if (timer_py_callback != mp_const_none) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
// XXX what to do if the GC is in the middle of running??
rt_call_function_0(timer_py_callback);
nlr_pop();
} else {
// uncaught exception
printf("exception in timer interrupt\n");
mp_obj_print((mp_obj_t)nlr.ret_val);
printf("\n");
}
}
}
