static int __init
calc_simple_test_init(void)
{
int result;
//variable names and placeholer for their values
const char* vars[] = {"x", "y"};
kedr_calc_int_t values[2];
//
kedr_calc_t* calc = NULL;
if(expr == NULL || x_str == NULL || y_str == NULL)
{
pr_err("Parameters 'expr', 'x' and 'y' should be passed to the module.\n");
return -1;
}
pr_debug("Expression is '%s'.", expr);
calc = kedr_calc_parse(expr, all_constants_size, all_constants, 2, vars, 0, NULL);
if(calc == NULL)
{
printk(KERN_ERR "Cannot parse expression for some reason.\n");
return -1;
}
if(evaluate_str(x_str, &values[0]))
{
printk(KERN_ERR "Cannot evaluate 'x'\n");
kedr_calc_delete(calc);
return -1;
}
if(evaluate_str(y_str, &values[1]))
{
pr_err("Cannot evaluate 'y'\n");
kedr_calc_delete(calc);
return -1;
}
result = kedr_calc_evaluate(calc, values);
kedr_calc_delete(calc);
snprintf(str_result, sizeof(str_result), "%d", result);
return 0;
}
int main(int argc, char *argv[]) {
char *cmd;
interactive = argc==1;
cmd = nullptr;
out_phys = fopen("/tmp/ep2.mem", "wb+");
out_virt = fopen("/tmp/ep2.vir", "wb+");
if (!interactive)
parse(argv[1]);
using_history();
while (true) {
cmd = readline(PROMPT);
add_history(cmd);
extract_args(cmd);
switch(evaluate_str(args_table[0])) {
case evaluate_str("carrega"):
parse(args_table[1]);
break;
case evaluate_str("espaco"):
set_mem_mgr(atoi(args_table[1]));
break;
case evaluate_str("substitui"):
set_page_mgr(atoi(args_table[1]));
break;
case evaluate_str("executa"):
run_mem_mgr(atoi(args_table[1]));
break;
case evaluate_str("sai"):
goto cleanup;
break;
default:
fputs("Erro.\n", stderr);
break;
}
delete cmd;
for (int i=0;args_table[i]!=NULL;++i) {
delete[] args_table[i];
args_table[i] = NULL;
}
}
cleanup:
fclose(out_phys);
fclose(out_virt);
return 0;
}
