con.rs

#[macro_export]
macro_rules! print {
    ($($arg:tt)*) => ($crate::con::_print(format_args!($($arg)*)));
}

#[macro_export]
macro_rules! println {
    () => ($crate::print!("\n"));
    ($($arg:tt)*) => ($crate::print!("{}\n", format_args!($($arg)*)));
}

#[macro_export]
macro_rules! eprint {
    () => ();
    ($($arg:tt)*) => ($crate::print!("\x1B[91m{}\x1B[0m", format_args!($($arg)*)));
}

#[macro_export]
macro_rules! eprintln {
    () => ($crate::eprint!("\n"));
    ($($arg:tt)*) => ($crate::eprint!("{}\n", format_args!($($arg)*)));
}

pub fn write_str(s: &str) {
    s.bytes().for_each(crate::arch::putchar);
}

pub struct Con;

impl core::fmt::Write for Con {
    fn write_str(&mut self, s: &str) -> core::fmt::Result {
        write_str(s);
        Ok(())
    }
}

pub fn _print(args: core::fmt::Arguments) {
    use core::fmt::Write;
    Con.write_fmt(args).unwrap();
}

#[panic_handler]
fn panic(info: &core::panic::PanicInfo) -> ! {
    eprintln!("{}", info);
    loop {
        crate::arch::wait();
    }
}