#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <malloc.h>

#include "py/nlr.h"
#include "py/obj.h"
#include "py/compile.h"
#include "py/runtime0.h"
#include "py/runtime.h"
#include "py/stackctrl.h"
#include "py/gc.h"
#include "py/repl.h"
#include "py/mperrno.h"

void do_str(const char *src, mp_parse_input_kind_t input_kind) {
    nlr_buf_t nlr;
    if (nlr_push(&nlr) == 0) {
        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
        qstr source_name = lex->source_name;
        mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
        mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
        mp_call_function_0(module_fun);
        nlr_pop();
    } else {
        // uncaught exception
        mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
    }
}

int main(int argc, char **argv) {
    mp_stack_ctrl_init();
    mp_stack_set_limit(10240);
    void *heap = malloc(16 * 1024);
    gc_init(heap, (char*)heap + 16 * 1024);
    mp_init();
    do_str("print('hello world!')", MP_PARSE_SINGLE_INPUT);
    mp_deinit();
    return 0;
}

void gc_collect(void) {
}

mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
    mp_raise_OSError(MP_ENOENT);
}

mp_import_stat_t mp_import_stat(const char *path) {
    return MP_IMPORT_STAT_NO_EXIST;
}

mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
    return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);

void nlr_jump_fail(void *val) {
    printf("uncaught NLR\n");
    exit(1);
}
