//! This module contains anything within the first stage of assembly, i.e. the
//! tokenisation stage, or utility functions for reading input files.

use std::{
    io::{BufRead, Lines},
    path::Path,
};

use crate::error::AssembleError;

pub mod lines;
pub mod source_info;
pub mod token;
pub mod token_info;
pub mod tokeniser;

/// Attempts to load and open a source file, returning a [`Vec<u8>`] or an
/// [`AssembleError`].
pub fn load_source_bytes<P: AsRef<Path>>(p: P) -> Result<Vec<u8>, AssembleError> {
    let path = p.as_ref();

    Ok(std::fs::read(path)?)
}

/// Get the lines from a [`BufReader`].
pub fn reader_lines<R: BufRead>(rdr: R) -> Lines<R> {
    rdr.lines()
}