Function render_userspace

build.rs:246–302

(programs: &[Program])

    layout_path: Option<String>,
}

impl Program {
    fn load(build_path: &Path) -> Self {
        println!("cargo:rerun-if-changed={}", build_path.display());
        let text = fs::read_to_string(build_path).expect("read .build");
        let manifest = fs_utils::build_manifest::parse(&text)
            .unwrap_or_else(|err| panic!("{}: {err}", build_path.display()));
        let dir = build_path.parent().expect("manifest parent");
        let field = |key: &str| {
            manifest
                .string(key)
                .unwrap_or_else(|| panic!("{}: missing `{key}`", build_path.display()))
        };

        let name = field("name");
        let kind = Kind::parse(&field("kind"));
        let source = abs(dir, &field("root"));
        println!("cargo:rerun-if-changed={source}");
        let import_closure = manifest
            .bool("import_closure")
            .expect("import_closure")
            .unwrap_or(true);
        let mangle_symbols = manifest
            .bool("mangle_symbols")
            .expect("mangle_symbols")
            .unwrap_or(true);

        let (layout_const, layout_path) = match manifest.get("source_prelude") {
            Some(rel) => {
                let path = abs(dir, rel);
                println!("cargo:rerun-if-changed={path}");
                (Some(format!("{}_LAYOUT", name.to_uppercase())), Some(path))
            }
            None => (None, None),
        };

        Self {
            name,
            title: field("title"),
            description: field("description"),
            kind,
            install_path: manifest.string("install_path"),
            source,
            build_path: build_path.display().to_string(),
            import_closure,
            mangle_symbols,
            layout_const,
            layout_path,
        }
    }
}

fn render_userspace(programs: &[Program]) -> String {
    let mut out = String::new();
    out.push_str("// @generated by build.rs from programs/user/**/*.build - do not edit.\n");

    for program in programs {
        let source_const = source_const_name(&program.name);