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@ -40,12 +40,57 @@ pub fn initialize_engine() {
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ENGINE.with(|x| x.borrow().globals().first().copied());
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}
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/// Run the initialization script located at `$helix_config/init.scm`
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/// This runs the script in the global environment, and does _not_ load it as a module directly
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pub fn run_initialization_script(cx: &mut Context) {
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log::info!("Loading init.scm...");
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let helix_module_path = helix_loader::steel_init_file();
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if let Ok(contents) = std::fs::read_to_string(&helix_module_path) {
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ENGINE.with(|x| {
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x.borrow_mut()
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.run_with_reference::<Context, Context>(cx, "*helix.cx*", &contents)
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.unwrap()
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});
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log::info!("Finished loading init.scm!")
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} else {
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log::info!("No init.scm found, skipping loading.")
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}
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// Start the worker thread - i.e. message passing to the workers
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configure_background_thread()
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}
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pub static KEYBINDING_QUEUE: Lazy<SharedKeyBindingsEventQueue> =
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Lazy::new(|| SharedKeyBindingsEventQueue::new());
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pub static EXPORTED_IDENTIFIERS: Lazy<ExportedIdentifiers> =
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Lazy::new(|| ExportedIdentifiers::default());
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pub static STATUS_LINE_MESSAGE: Lazy<StatusLineMessage> = Lazy::new(|| StatusLineMessage::new());
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pub struct StatusLineMessage {
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message: Arc<RwLock<Option<String>>>,
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}
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impl StatusLineMessage {
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pub fn new() -> Self {
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Self {
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message: std::sync::Arc::new(std::sync::RwLock::new(None)),
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}
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}
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pub fn set(message: String) {
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*STATUS_LINE_MESSAGE.message.write().unwrap() = Some(message);
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}
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pub fn get() -> Option<String> {
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STATUS_LINE_MESSAGE.message.read().unwrap().clone()
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}
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}
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/// In order to send events from the engine back to the configuration, we can created a shared
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/// queue that the engine and the config push and pull from. Alternatively, we could use a channel
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/// directly, however this was easy enough to set up.
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@ -95,6 +140,27 @@ fn get_editor<'a>(cx: &'a mut Context<'a>) -> &'a mut Editor {
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cx.editor
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}
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fn get_themes(cx: &mut Context) -> Vec<String> {
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ui::completers::theme(cx.editor, "")
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.into_iter()
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.map(|x| x.1.to_string())
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.collect()
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}
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fn configure_background_thread() {
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std::thread::spawn(move || {
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let mut engine = steel::steel_vm::engine::Engine::new();
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engine.register_fn("set-status-line!", StatusLineMessage::set);
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let helix_module_path = helix_loader::config_dir().join("background.scm");
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if let Ok(contents) = std::fs::read_to_string(&helix_module_path) {
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engine.run(&contents).ok();
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}
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});
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}
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fn configure_engine() -> std::rc::Rc<std::cell::RefCell<steel::steel_vm::engine::Engine>> {
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let mut engine = steel::steel_vm::engine::Engine::new();
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@ -112,6 +178,9 @@ fn configure_engine() -> std::rc::Rc<std::cell::RefCell<steel::steel_vm::engine:
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helix_view::Editor,
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>::register_fn(&mut engine, "cx-editor!", get_editor);
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engine.register_fn("cx->themes", get_themes);
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engine.register_fn("set-status-line!", StatusLineMessage::set);
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engine.register_module(module);
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let mut module = BuiltInModule::new("helix/core/typable".to_string());
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@ -154,6 +223,7 @@ fn configure_engine() -> std::rc::Rc<std::cell::RefCell<steel::steel_vm::engine:
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module.register_fn("current-highlighted-text!", get_highlighted_text);
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module.register_fn("run-in-engine!", run_in_engine);
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module.register_fn("get-helix-scm-path", get_helix_scm_path);
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module.register_fn("get-init-scm-path", get_init_scm_path);
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engine.register_module(module);
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@ -338,3 +408,10 @@ fn get_helix_scm_path() -> String {
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.unwrap()
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.to_string()
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}
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fn get_init_scm_path() -> String {
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helix_loader::steel_init_file()
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.to_str()
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.unwrap()
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.to_string()
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}
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mattwparas
2 years ago