assembler: great leap forwards (more like the Cultural Revolution)

assembler/src/source.rs

@@ -0,0 +1,20 @@
+//! This module contains anything within the first stage of assembly, i.e. the
+//! tokenisation stage, or utility functions for reading input files.
+
+use std::path::Path;
+
+use crate::error::AssembleError;
+
+pub mod source_info;
+pub mod token;
+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();
+
+    let bytes = std::fs::read(path)?;
+
+    Ok(vec![])
+}