Function collect_source_files

build.rs:86–104

Walk `programs/` and record every `.hll` keyed by its forward-slash, repo-relative path. These back WASM-safe relative-import resolution where the filesystem is unavailable.

(dir: &Path, manifest_dir: &Path, out: &mut Vec<SourceFile>)

                files.push(path);
            }
        }
    }
}

fn module_name_for(path: &Path) -> String {
    path.with_extension("")
        .components()
        .map(|component| component.as_os_str().to_string_lossy())
        .collect::<Vec<_>>()
        .join("_")
        .chars()
        .map(|ch| if ch.is_ascii_alphanumeric() { ch } else { '_' })
        .collect()
}

fn generate_userspace(manifest_dir: &Path, out_dir: &Path) {
    let user_dir = manifest_dir.join("programs/user");
    println!("cargo:rerun-if-changed={}", user_dir.display());

    let mut build_files = Vec::new();
    collect_build_files(&user_dir, &mut build_files);
    build_files.sort();