#![allow(dead_code)]

use std::{ffi::CStr, fs::File, io::Write};

pub fn mrbc_compile(fname: &'static str, code: &'static str) -> Vec<u8> {

let mut src = std::env::temp_dir();

src.push(format!("{}.{}.rb", fname, std::process::id()));

let mut f = File::create(&src).expect("cannot open src file");

f.write_all(code.as_bytes())

.expect("cannot create src file");

f.flush().unwrap();

let mut src0 = src.as_os_str().to_string_lossy().into_owned();

src0.push('\0');

let mut dest = std::env::temp_dir();

dest.push(format!("{}.{}.mrb", fname, std::process::id()));

let mut dest0 = dest.as_os_str().to_string_lossy().into_owned();

dest0.push('\0');

let args = [

CStr::from_bytes_with_nul(b"mrbc\0").unwrap().as_ptr(),

CStr::from_bytes_with_nul(b"-o\0").unwrap().as_ptr(),

CStr::from_bytes_with_nul(dest0.as_bytes())

.unwrap()

.as_ptr(),

CStr::from_bytes_with_nul(src0.as_bytes()).unwrap().as_ptr(),

];

unsafe {

mec_mrbc_sys::mrbc_main(args.len() as i32, args.as_ptr() as *mut *mut i8);

}

std::fs::read(dest).unwrap()

}