ableos_userland/libraries/std/src/lib.rs

79 lines
1.6 KiB
Rust

#![feature(lang_items, prelude_import)]
#![feature(panic_info_message)]
#![no_std]
mod entry;
pub mod env;
pub mod exit;
pub mod io;
pub mod panic;
use core::{arch::asm, fmt::Display};
#[prelude_import]
pub use prelude::rust_2021::*;
pub mod prelude;
use versioning::Version;
pub const VERSION: Version = Version::new(0, 1, 0);
// extern crate alloc;
pub fn print(s: &str) {
unsafe {
asm!(
"syscall",
in("rax") 1,
in("rdi") 1,
in("rsi") s.as_ptr(),
in("rdx") s.len(),
out("rcx") _,
out("r11") _,
);
}
}
pub fn print_char(c: char) {
let array = [c];
unsafe {
asm!(
"syscall",
in("rax") 1,
in("rdi") 1,
in("rsi") array.as_ptr(),
in("rdx") 1,
out("rcx") _,
out("r11") _,
);
}
}
#[derive(Debug)]
pub struct LocationInFile<'a> {
// TODO: replace &str with ableOS path
file_path: &'a str,
line: u16,
column: u16,
}
impl<'a> Display for Error<'a> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "{}{}{}", self.file_path, self.line, self.column)
}
}
pub struct Error<'a> {
error_id: u128,
// Optional location of the error
location: Option<LocationInFile<'a>>,
a_lil_message_as_a_treat: &'a str,
}
impl<'a> Display for Error<'a> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "EID: {}\nSRC: {}", self.error_id, self.location)
}
}