examples/embedding: Fix reference to freed memory, lexer src name.
This issue was brought up by BramPeters in the forum:
@@ -38,9 +38,10 @@ static char heap[16384];
mp_obj_t execute_from_str(const char *str) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
- mp_lexer_t *lex = mp_lexer_new_from_str_len(0/*MP_QSTR_*/, str, strlen(str), false);
+ qstr src_name = 0/*MP_QSTR_*/;
+ mp_lexer_t *lex = mp_lexer_new_from_str_len(src_name, str, strlen(str), false);
mp_parse_tree_t pt = mp_parse(lex, MP_PARSE_FILE_INPUT);
- mp_obj_t module_fun = mp_compile(&pt, lex->source_name, MP_EMIT_OPT_NONE, false);
+ mp_obj_t module_fun = mp_compile(&pt, src_name, MP_EMIT_OPT_NONE, false);
mp_call_function_0(module_fun);
nlr_pop();
return 0;
