int main(int argc, char** argv) {
static FILE* _input_file;
static int* _binary = NULL;
int retval = 0;
int _startpos = 0;
int i = 0;
if (argc > 1) {
_input_file = fopen(argv[1], "r");
if (!_input_file) {
fprintf(stderr, "open file failed: [%s]", argv[1]);
exit(EXIT_FAILURE);
}
} else {
_input_file = stdin;
}
if (parse_jmplbl(_input_file) == FAILURE) {
fputs("error at parsing jump labels\n", stderr);
goto free_and_exit;
}
if (parse_file(_input_file, &_binary) == FAILURE) {
fputs("error at parsing file\n", stderr);
goto free_and_exit;
}
for (; i != __jmp_tbl_size; ++i) {
if (!util_stricmp(__jmp_tbl[i].name, "start")) {
_startpos = __jmp_tbl[i].jmppos;
}
}
free(__jmp_tbl);
init_registers();
/* for (i = 0; i != __program_len; ++i) {
printf("[%02d]get a: %d\n", i, _binary[i]);
}
*/
// exit(0);
if (exec_binary(_binary, __program_len, _startpos) == FAILURE) {
fputs("error at executing\n", stderr);
free(_binary);
goto free_and_exit;
}
free(_binary);
if (_input_file != stdin) {
fclose(_input_file);
}
exit(retval);
free_and_exit:
if (_input_file != stdin) {
fclose(_input_file);
}
exit(EXIT_FAILURE);
}
int handle_cmd(\
char *cmd_buffer)
{
t_cmd cmd;
int ret;
ret = 1;
cmd = parse_cmd(cmd_buffer);
debug_cmd(cmd);
if (cmd.not_found)
nofound(cmd.arg_v[0]);
else if (cmd.builtin)
ret = cmd.built(cmd.arg_v);
else
exec_binary(cmd);
free_cmd(&cmd);
return (ret);
}
