clean up

Cargo.lock

@@ -1720,9 +1720,9 @@ dependencies = [
 
 [[package]]
 name = "im-lists"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08f93ebe9d5265409edc0b5c2ebd96bf7dcd4125c1626bff0ece34b9300e490a"
+checksum = "dbe1ea6399f751563e6f5d88bff90a5c7418f8e7abbdd34708412be793a73949"
 
 [[package]]
 name = "im-rc"
@@ -2593,6 +2593,7 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 [[package]]
 name = "steel-core"
 version = "0.5.0"
+source = "git+https://github.com/mattwparas/steel.git#11c124dbc8ee890429215bd5963e9a56cac7b923"
 dependencies = [
  "abi_stable",
  "anyhow",
@@ -2629,6 +2630,7 @@ dependencies = [
 [[package]]
 name = "steel-derive"
 version = "0.4.0"
+source = "git+https://github.com/mattwparas/steel.git#11c124dbc8ee890429215bd5963e9a56cac7b923"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2638,6 +2640,7 @@ dependencies = [
 [[package]]
 name = "steel-gen"
 version = "0.2.0"
+source = "git+https://github.com/mattwparas/steel.git#11c124dbc8ee890429215bd5963e9a56cac7b923"
 dependencies = [
  "codegen",
  "serde",
@@ -2647,6 +2650,7 @@ dependencies = [
 [[package]]
 name = "steel-parser"
 version = "0.4.0"
+source = "git+https://github.com/mattwparas/steel.git#11c124dbc8ee890429215bd5963e9a56cac7b923"
 dependencies = [
  "logos",
  "num-bigint",

Cargo.toml

@@ -18,7 +18,9 @@ default-members = [
 ]
 
 [workspace.dependencies]
-steel-core = { path = "../../steel/crates/steel-core", version = "0.5.0", features = ["modules", "anyhow", "dylibs", "colors"] }
+# If working locally, use the local path dependency
+# steel-core = { path = "../../steel/crates/steel-core", version = "0.5.0", features = ["modules", "anyhow", "dylibs", "colors"] }
+steel-core = { git = "https://github.com/mattwparas/steel.git", version = "0.5.0", features = ["modules", "anyhow", "dylibs", "colors"] }
 tree-sitter = { version = "0.20", git = "https://github.com/tree-sitter/tree-sitter", rev = "ab09ae20d640711174b8da8a654f6b3dec93da1a" }
 nucleo = "0.2.0"
 

helix-term/src/application.rs

@@ -381,6 +381,18 @@ impl Application {
     pub fn handle_config_events(&mut self, config_event: ConfigEvent) {
         match config_event {
             ConfigEvent::Refresh => self.refresh_config(),
+            ConfigEvent::UpdateLanguageConfiguration => match self.refresh_language_config() {
+                Ok(_) => {
+                    // If we don't stash the theme here, the syntax highlighting is broken
+                    let current_theme = std::mem::take(&mut self.editor.theme);
+                    self.editor.set_theme(current_theme);
+
+                    self.editor.set_status("Language config refreshed");
+                }
+                Err(err) => {
+                    self.editor.set_error(err.to_string());
+                }
+            },
 
             // Since only the Application can make changes to Editor's config,
             // the Editor must send up a new copy of a modified config so that
@@ -409,7 +421,8 @@ impl Application {
 
     /// refresh language config after config change
     fn refresh_language_config(&mut self) -> Result<(), Error> {
-        let syntax_config = helix_core::config::user_syntax_loader()
+        let syntax_config = crate::commands::engine::ScriptingEngine::load_language_configuration()
+            .unwrap_or_else(|| helix_core::config::user_syntax_loader())
             .map_err(|err| anyhow::anyhow!("Failed to load language config: {}", err))?;
 
         self.syn_loader = std::sync::Arc::new(syntax::Loader::new(syntax_config));
@@ -427,7 +440,10 @@ impl Application {
         let theme = config
             .theme
             .as_ref()
-            .and_then(|theme| {
+            .and_then(|theme| crate::commands::engine::ScriptingEngine::load_theme(theme))
+            .or_else(|| {
+                // Check the name again
+                config.theme.as_ref().and_then(|theme| {
                     self.theme_loader
                         .load(theme)
                         .map_err(|e| {
@@ -437,13 +453,13 @@ impl Application {
                         .ok()
                         .filter(|theme| (true_color || theme.is_16_color()))
                 })
+            })
             .unwrap_or_else(|| self.theme_loader.default_theme(true_color));
 
         self.editor.set_theme(theme);
         Ok(())
     }
 
-    // TODO: @Matt - consider querying the engine for keybindings
     fn refresh_config(&mut self) {
         let mut refresh_config = || -> Result<(), Error> {
             let default_config = Config::load_default()

helix-term/src/commands/engine.rs

@@ -1,10 +1,11 @@
-use helix_view::{document::Mode, input::KeyEvent};
+use helix_core::syntax::Configuration;
+use helix_view::{document::Mode, input::KeyEvent, Theme};
 
-use std::{borrow::Cow, collections::HashMap};
+use std::borrow::Cow;
 
 use crate::{
     compositor,
-    keymap::{KeyTrie, KeymapResult},
+    keymap::KeymapResult,
     ui::{self, PromptEvent},
 };
 
@@ -41,6 +42,7 @@ pub struct NoEngine;
 // This will be the boundary layer between the editor and the engine.
 pub struct ScriptingEngine;
 
+// Macro to automatically dispatch to hopefully get some inlining
 macro_rules! manual_dispatch {
     ($kind:expr, $raw:tt ($($args:expr),* $(,)?) ) => {
         match $kind {
@@ -131,6 +133,42 @@ impl ScriptingEngine {
             .flat_map(|kind| manual_dispatch!(kind, available_commands()))
             .collect()
     }
+
+    pub fn load_theme(name: &str) -> Option<Theme> {
+        for kind in PLUGIN_PRECEDENCE {
+            let theme = manual_dispatch!(kind, load_theme(name));
+
+            if theme.is_some() {
+                return theme;
+            }
+        }
+
+        None
+    }
+
+    pub fn themes() -> Option<Vec<String>> {
+        for kind in PLUGIN_PRECEDENCE {
+            let themes = manual_dispatch!(kind, themes());
+
+            if themes.is_some() {
+                return themes;
+            }
+        }
+
+        None
+    }
+
+    pub fn load_language_configuration() -> Option<Result<Configuration, toml::de::Error>> {
+        for kind in PLUGIN_PRECEDENCE {
+            let config = manual_dispatch!(kind, load_language_configuration());
+
+            if config.is_some() {
+                return config;
+            }
+        }
+
+        None
+    }
 }
 
 impl PluginSystem for NoEngine {
@@ -155,6 +193,7 @@ pub trait PluginSystem {
     /// Allow the engine to directly handle a keymap event. This is some of the tightest integration
     /// with the engine, directly intercepting any keymap events. By default, this just delegates to the
     /// editors default keybindings.
+    #[inline(always)]
     fn handle_keymap_event(
         &self,
         _editor: &mut ui::EditorView,
@@ -167,6 +206,7 @@ pub trait PluginSystem {
 
     /// This attempts to call a function in the engine with the name `name` using the args `args`. The context
     /// is available here. Returns a bool indicating whether the function exists or not.
+    #[inline(always)]
     fn call_function_if_global_exists(
         &self,
         _cx: &mut Context,
@@ -179,6 +219,7 @@ pub trait PluginSystem {
     /// This is explicitly for calling a function via the typed command interface, e.g. `:vsplit`. The context here
     /// that is available is more limited than the context available in `call_function_if_global_exists`. This also
     /// gives the ability to handle in progress commands with `PromptEvent`.
+    #[inline(always)]
     fn call_typed_command_if_global_exists<'a>(
         &self,
         _cx: &mut compositor::Context,
@@ -190,12 +231,35 @@ pub trait PluginSystem {
     }
 
     /// Given an identifier, extract the documentation from the engine.
+    #[inline(always)]
     fn get_doc_for_identifier(&self, _ident: &str) -> Option<String> {
         None
     }
 
     /// Fuzzy match the input against the fuzzy matcher, used for handling completions on typed commands
+    #[inline(always)]
     fn available_commands<'a>(&self) -> Vec<Cow<'a, str>> {
         Vec::new()
     }
+
+    /// Retrieve a theme for a given name
+    #[inline(always)]
+    fn load_theme(&self, _name: &str) -> Option<Theme> {
+        None
+    }
+
+    /// Retrieve the list of themes that exist within the runtime
+    #[inline(always)]
+    fn themes(&self) -> Option<Vec<String>> {
+        None
+    }
+
+    /// Fetch the language configuration as monitored by the plugin system.
+    ///
+    /// For now - this maintains backwards compatibility with the existing toml configuration,
+    /// and as such the toml error is exposed here.
+    #[inline(always)]
+    fn load_language_configuration(&self) -> Option<Result<Configuration, toml::de::Error>> {
+        None
+    }
 }

helix-term/src/commands/engine/components.rs

@@ -13,185 +13,10 @@ use crate::{
     ui::{Popup, Prompt, PromptEvent},
 };
 
+// TODO: Move the main configuration function to use this instead
 pub fn helix_component_module() -> BuiltInModule {
     let mut module = BuiltInModule::new("helix/components".to_string());
 
-    module.register_fn("new-component!", SteelDynamicComponent::new_dyn);
-
-    module.register_fn("SteelDynamicComponent?", |object: SteelVal| {
-        if let SteelVal::Custom(v) = object {
-            if let Some(wrapped) = v.borrow().as_any_ref().downcast_ref::<BoxDynComponent>() {
-                return wrapped.inner.as_any().is::<SteelDynamicComponent>();
-            } else {
-                false
-            }
-        } else {
-            false
-        }
-    });
-
-    module.register_fn(
-        "SteelDynamicComponent-state",
-        SteelDynamicComponent::get_state,
-    );
-    module.register_fn(
-        "SteelDynamicComponent-render",
-        SteelDynamicComponent::get_render,
-    );
-    module.register_fn(
-        "SteelDynamicComponent-handle-event",
-        SteelDynamicComponent::get_handle_event,
-    );
-    module.register_fn(
-        "SteelDynamicComponent-should-update",
-        SteelDynamicComponent::should_update,
-    );
-    module.register_fn(
-        "SteelDynamicComponent-cursor",
-        SteelDynamicComponent::cursor,
-    );
-    module.register_fn(
-        "SteelDynamicComponent-required-size",
-        SteelDynamicComponent::get_required_size,
-    );
-
-    // engine.register_fn("WrappedComponent", WrappedDynComponent::new)
-
-    module.register_fn(
-        "Popup::new",
-        |contents: &mut WrappedDynComponent,
-         position: helix_core::Position|
-         -> WrappedDynComponent {
-            let inner = contents.inner.take().unwrap(); // Panic, for now
-
-            WrappedDynComponent {
-                inner: Some(Box::new(
-                    Popup::<BoxDynComponent>::new("popup", BoxDynComponent::new(inner))
-                        .position(Some(position)),
-                )),
-            }
-        },
-    );
-
-    // prompt: Cow<'static, str>,
-    // history_register: Option<char>,
-    // completion_fn: impl FnMut(&Editor, &str) -> Vec<Completion> + 'static,
-    // callback_fn: impl FnMut(&mut Context, &str, PromptEvent) + 'static,
-    module.register_fn(
-        "Prompt::new",
-        |prompt: String, callback_fn: SteelVal| -> WrappedDynComponent {
-            let prompt = Prompt::new(
-                prompt.into(),
-                None,
-                |_, _| Vec::new(),
-                move |cx, input, prompt_event| {
-                    if prompt_event != PromptEvent::Validate {
-                        return;
-                    }
-
-                    let mut ctx = Context {
-                        register: None,
-                        count: None,
-                        editor: cx.editor,
-                        callback: Vec::new(),
-                        on_next_key_callback: None,
-                        jobs: cx.jobs,
-                    };
-
-                    let cloned_func = callback_fn.clone();
-                    // let thunk = move |engine: &mut Engine, cx, input| {
-                    //     engine.call_function_with_args(
-                    //         cloned_func,
-                    //         vec![cx, input],
-
-                    //     )
-
-                    // };
-
-                    ENGINE
-                        .with(|x| {
-                            x.borrow_mut()
-                                .with_mut_reference::<Context, Context>(&mut ctx)
-                                .consume(move |engine, mut args| {
-                                    // Add the string as an argument to the callback
-                                    args.push(input.into_steelval().unwrap());
-
-                                    engine.call_function_with_args(cloned_func.clone(), args)
-                                })
-                        })
-                        .unwrap();
-                },
-            );
-
-            WrappedDynComponent {
-                inner: Some(Box::new(prompt)),
-            }
-        },
-    );
-
-    module.register_fn("Picker::new", |values: Vec<String>| todo!());
-
-    // engine.register_fn(
-    //     "Picker::new",
-    //     |contents: &mut Wrapped
-    // )
-
-    module.register_fn("Component::Text", |contents: String| WrappedDynComponent {
-        inner: Some(Box::new(crate::ui::Text::new(contents))),
-    });
-
-    // Separate this out into its own component module - This just lets us call the underlying
-    // component, not sure if we can go from trait object -> trait object easily but we'll see!
-    module.register_fn(
-        "Component::render",
-        |t: &mut WrappedDynComponent,
-         area: helix_view::graphics::Rect,
-         frame: &mut tui::buffer::Buffer,
-         ctx: &mut Context| {
-            t.inner.as_mut().unwrap().render(
-                area,
-                frame,
-                &mut compositor::Context {
-                    jobs: ctx.jobs,
-                    editor: ctx.editor,
-                    scroll: None,
-                },
-            )
-        },
-    );
-
-    module.register_fn(
-        "Component::handle-event",
-        |s: &mut WrappedDynComponent, event: &helix_view::input::Event, ctx: &mut Context| {
-            s.inner.as_mut().unwrap().handle_event(
-                event,
-                &mut compositor::Context {
-                    jobs: ctx.jobs,
-                    editor: ctx.editor,
-                    scroll: None,
-                },
-            )
-        },
-    );
-
-    module.register_fn("Component::should-update", |s: &mut WrappedDynComponent| {
-        s.inner.as_mut().unwrap().should_update()
-    });
-
-    module.register_fn(
-        "Component::cursor",
-        |s: &WrappedDynComponent, area: helix_view::graphics::Rect, ctx: &Editor| {
-            s.inner.as_ref().unwrap().cursor(area, ctx)
-        },
-    );
-
-    module.register_fn(
-        "Component::required-size",
-        |s: &mut WrappedDynComponent, viewport: (u16, u16)| {
-            s.inner.as_mut().unwrap().required_size(viewport)
-        },
-    );
-
     module
 }
 
@@ -242,6 +67,7 @@ impl SteelDynamicComponent {
     ) -> WrappedDynComponent {
         let s = Self::new(name, state, render, h);
 
+        // TODO: Add guards here for the
         WrappedDynComponent {
             inner: Some(Box::new(s)),
         }

helix-term/src/commands/typed.rs

@@ -892,7 +892,10 @@ fn theme(
                 // Ensures that a preview theme gets cleaned up if the user backspaces until the prompt is empty.
                 cx.editor.unset_theme_preview();
             } else if let Some(theme_name) = args.first() {
-                if let Ok(theme) = cx.editor.theme_loader.load(theme_name) {
+                if let Ok(theme) = crate::commands::engine::ScriptingEngine::load_theme(theme_name)
+                    .map(|x| Ok(x))
+                    .unwrap_or_else(|| cx.editor.theme_loader.load(theme_name))
+                {
                     if !(true_color || theme.is_16_color()) {
                         bail!("Unsupported theme: theme requires true color support");
                     }
@@ -902,15 +905,25 @@ fn theme(
         }
         PromptEvent::Validate => {
             if let Some(theme_name) = args.first() {
-                let theme = cx
+                // let theme = cx
-                    .editor
+                //     .editor
-                    .theme_loader
+                //     .theme_loader
-                    .load(theme_name)
+                //     .load(theme_name)
-                    .map_err(|err| anyhow::anyhow!("Could not load theme: {}", err))?;
+                //     .map_err(|err| anyhow::anyhow!("Could not load theme: {}", err))?;
+                // if !(true_color || theme.is_16_color()) {
+                //     bail!("Unsupported theme: theme requires true color support");
+                // }
+                // cx.editor.set_theme(theme);
+
+                if let Ok(theme) = crate::commands::engine::ScriptingEngine::load_theme(theme_name)
+                    .map(|x| Ok(x))
+                    .unwrap_or_else(|| cx.editor.theme_loader.load(theme_name))
+                {
                     if !(true_color || theme.is_16_color()) {
                         bail!("Unsupported theme: theme requires true color support");
                     }
                     cx.editor.set_theme(theme);
+                };
             } else {
                 let name = cx.editor.theme.name().to_string();
 
@@ -3087,28 +3100,6 @@ pub(super) fn command_mode(cx: &mut Context) {
             let words = shellwords.words();
 
             if words.is_empty() || (words.len() == 1 && !shellwords.ends_with_whitespace()) {
-                // let globals =
-                //     crate::commands::engine::ScriptingEngine::fuzzy_match(&FUZZY_MATCHER, input)
-                //         .into_iter()
-                //         .map(|x| (Cow::from(x.0), x.1))
-                //         .collect::<Vec<_>>();
-
-                // // If the command has not been finished yet, complete commands.
-                // let mut matches: Vec<_> = typed::TYPABLE_COMMAND_LIST
-                //     .iter()
-                //     .filter_map(|command| {
-                //         FUZZY_MATCHER
-                //             .fuzzy_match(command.name, input)
-                //             .map(|score| (Cow::from(command.name), score))
-                //     })
-                //     .chain(globals)
-                //     .collect();
-
-                // matches.sort_unstable_by_key(|(_file, score)| std::cmp::Reverse(*score));
-                // matches
-                //     .into_iter()
-                //     .map(|(name, _)| (0.., name.into()))
-                //     .collect()
                 fuzzy_match(
                     input,
                     TYPABLE_COMMAND_LIST

helix-term/src/handlers.rs

@@ -22,7 +22,7 @@ fn rope_ends_with(text: &str, rope: RopeSlice<'_>) -> bool {
         .map_or(false, |end| end == text)
 }
 
-mod completion;
+pub(crate) mod completion;
 mod signature_help;
 
 pub fn setup(config: Arc<ArcSwap<Config>>) -> Handlers {

helix-term/src/handlers/completion.rs

@@ -32,20 +32,31 @@ use crate::ui::{self, CompletionItem, Popup};
 use super::Handlers;
 
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
-enum TriggerKind {
+pub(crate) enum TriggerKind {
     Auto,
     TriggerChar,
     Manual,
 }
 
 #[derive(Debug, Clone, Copy)]
-struct Trigger {
+pub(crate) struct Trigger {
     pos: usize,
     view: ViewId,
     doc: DocumentId,
     kind: TriggerKind,
 }
 
+impl Trigger {
+    pub(crate) fn new(pos: usize, view: ViewId, doc: DocumentId, kind: TriggerKind) -> Self {
+        Self {
+            pos,
+            view,
+            doc,
+            kind,
+        }
+    }
+}
+
 #[derive(Debug)]
 pub(super) struct CompletionHandler {
     /// currently active trigger which will cause a
@@ -284,7 +295,7 @@ fn request_completion(
     });
 }
 
-fn show_completion(
+pub(crate) fn show_completion(
     editor: &mut Editor,
     compositor: &mut Compositor,
     items: Vec<CompletionItem>,

helix-term/src/job.rs

@@ -151,13 +151,6 @@ impl Jobs {
         }
     }
 
-    // pub async fn next_job(&mut self) -> Option<anyhow::Result<Option<Callback>>> {
-    //     tokio::select! {
-    //         event = self.futures.next() => {  event }
-    //         event = self.wait_futures.next() => { event }
-    //     }
-    // }
-
     pub fn add(&self, j: Job) {
         if j.wait {
             self.wait_futures.push(j.future);

helix-term/src/ui/completion.rs

@@ -278,22 +278,36 @@ impl Completion {
                     // always present here
                     let mut item = item.unwrap().clone();
 
-                    let language_server = language_server!(item);
+                    // let language_server = language_server!(item);
-                    let offset_encoding = language_server.offset_encoding();
+                    // let offset_encoding = language_server.offset_encoding();
 
-                    let language_server = editor
+                    // let language_server = editor
-                        .language_servers
+                    //     .language_servers
-                        .get_by_id(item.language_server_id)
+                    //     .get_by_id(item.language_server_id)
-                        .unwrap();
+                    //     .unwrap();
+
+                    let mut language_server_option = None;
 
                     // resolve item if not yet resolved
                     if !item.resolved {
+                        let language_server = language_server!(item);
+                        // let offset_encoding = language_server.offset_encoding();
+
                         if let Some(resolved) =
                             Self::resolve_completion_item(language_server, item.item.clone())
                         {
                             item.item = resolved;
                         }
+
+                        language_server_option = Some(language_server);
                     };
+
+                    // let language_server = language_server!(item);
+                    let offset_encoding = language_server_option
+                        .as_ref()
+                        .map(|x| x.offset_encoding())
+                        .unwrap_or_default();
+
                     // if more text was entered, remove it
                     doc.restore(view, &savepoint, true);
                     // save an undo checkpoint before the completion

helix-term/src/ui/mod.rs

@@ -270,6 +270,11 @@ pub mod completers {
         for rt_dir in helix_loader::runtime_dirs() {
             names.extend(theme::Loader::read_names(&rt_dir.join("themes")));
         }
+
+        if let Some(themes) = crate::commands::engine::ScriptingEngine::themes() {
+            names.extend(themes);
+        }
+
         names.push("default".into());
         names.push("base16_default".into());
         names.sort();

helix-view/src/editor.rs

@@ -971,6 +971,7 @@ pub enum EditorEvent {
 pub enum ConfigEvent {
     Refresh,
     Update(Box<Config>),
+    UpdateLanguageConfiguration,
 }
 
 enum ThemeAction {