add feature flag

helix-core/Cargo.toml

@@ -13,6 +13,7 @@ include = ["src/**/*", "README.md"]
 [features]
 unicode-lines = ["ropey/unicode_lines"]
 integration = []
+steel = ["dep:steel-core"]
 
 [dependencies]
 helix-loader = { version = "0.6", path = "../helix-loader" }
@@ -48,7 +49,7 @@ chrono = { version = "0.4", default-features = false, features = ["alloc", "std"
 etcetera = "0.8"
 textwrap = "0.16.0"
 
-steel-core = { workspace = true }
+steel-core = { workspace = true, optional = true }
 
 [dev-dependencies]
 quickcheck = { version = "1", default-features = false }

helix-core/src/extensions.rs

@@ -1,243 +1,249 @@
-use std::{borrow::Cow, cell::Cell, rc::Rc};
+#[cfg(feature = "steel")]
+pub mod steel_implementations {
 
-use ropey::iter::Chars;
-use smallvec::SmallVec;
-use steel::{
-    gc::unsafe_erased_pointers::CustomReference,
-    rvals::{Custom, SteelString},
-    steel_vm::{builtin::BuiltInModule, register_fn::RegisterFn, register_fn::RegisterFnBorrowed},
-};
+    use std::{borrow::Cow, cell::Cell, rc::Rc};
 
-impl steel::rvals::Custom for crate::Position {}
-impl steel::rvals::Custom for crate::Selection {}
+    use ropey::iter::Chars;
+    use smallvec::SmallVec;
+    use steel::{
+        gc::unsafe_erased_pointers::CustomReference,
+        rvals::{Custom, SteelString},
+        steel_vm::{
+            builtin::BuiltInModule, register_fn::RegisterFn, register_fn::RegisterFnBorrowed,
+        },
+    };
 
-pub struct SRopeSlice<'a> {
-    slice: crate::RopeSlice<'a>,
-}
+    impl steel::rvals::Custom for crate::Position {}
+    impl steel::rvals::Custom for crate::Selection {}
 
-steel::custom_reference!(SRopeSlice<'a>);
-impl<'a> CustomReference for SRopeSlice<'a> {}
-
-// impl Custom for SRopeSlice<'static> {}
-
-pub struct SRopeSliceCowStr<'a>(Cow<'a, str>);
-steel::custom_reference!(SRopeSliceCowStr<'a>);
-impl<'a> CustomReference for SRopeSliceCowStr<'a> {}
-
-struct CharIter<'a>(Chars<'a>);
-
-impl<'a> SRopeSlice<'a> {
-    pub fn new(slice: crate::RopeSlice<'a>) -> Self {
-        Self { slice }
+    pub struct SRopeSlice<'a> {
+        slice: crate::RopeSlice<'a>,
     }
 
-    pub fn char_to_byte(&self, pos: usize) -> usize {
-        self.slice.char_to_byte(pos)
-    }
+    steel::custom_reference!(SRopeSlice<'a>);
+    impl<'a> CustomReference for SRopeSlice<'a> {}
 
-    pub fn byte_slice(&'a self, lower: usize, upper: usize) -> SRopeSlice<'a> {
-        SRopeSlice {
-            slice: self.slice.byte_slice(lower..upper),
+    // impl Custom for SRopeSlice<'static> {}
+
+    pub struct SRopeSliceCowStr<'a>(Cow<'a, str>);
+    steel::custom_reference!(SRopeSliceCowStr<'a>);
+    impl<'a> CustomReference for SRopeSliceCowStr<'a> {}
+
+    struct CharIter<'a>(Chars<'a>);
+
+    impl<'a> SRopeSlice<'a> {
+        pub fn new(slice: crate::RopeSlice<'a>) -> Self {
+            Self { slice }
         }
-    }
 
-    pub fn line(&'a self, cursor: usize) -> SRopeSlice<'a> {
-        SRopeSlice {
-            slice: self.slice.line(cursor),
+        pub fn char_to_byte(&self, pos: usize) -> usize {
+            self.slice.char_to_byte(pos)
         }
-    }
 
-    pub fn as_cow(&'a self) -> SRopeSliceCowStr<'a> {
-        SRopeSliceCowStr(std::borrow::Cow::from(self.slice))
-    }
-
-    pub fn to_string(&self) -> String {
-        self.slice.to_string()
-    }
-
-    pub fn len_chars(&'a self) -> usize {
-        self.slice.len_chars()
-    }
-
-    pub fn slice(&'a self, lower: usize, upper: usize) -> SRopeSlice<'a> {
-        SRopeSlice {
-            slice: self.slice.slice(lower..upper),
-        }
-    }
-
-    pub fn get_char(&'a self, index: usize) -> Option<char> {
-        self.slice.get_char(index)
-    }
-}
-
-// RegisterFn::<
-//     _,
-//     steel::steel_vm::register_fn::MarkerWrapper7<(
-//         Context<'_>,
-//         helix_view::Editor,
-//         helix_view::Editor,
-//         Context<'static>,
-//     )>,
-//     helix_view::Editor,
-// >::register_fn(&mut engine, "cx-editor!", get_editor);
-
-pub fn rope_slice_module() -> BuiltInModule {
-    let mut module = BuiltInModule::new("helix/core/text");
-
-    // (SELF, ARG, SELFSTAT, RET, RETSTAT)
-
-    RegisterFnBorrowed::<
-        _,
-        steel::steel_vm::register_fn::MarkerWrapper9<(
-            SRopeSlice<'_>,
-            usize,
-            SRopeSlice<'static>,
-            SRopeSlice<'_>,
-            SRopeSlice<'static>,
-        )>,
-        SRopeSlice,
-    >::register_fn_borrowed(&mut module, "slice->line", SRopeSlice::line);
-
-    // TODO: Note the difficulty of the lifetime params here
-    module.register_fn("slice->string", SRopeSlice::to_string);
-    module.register_fn("slice-char->byte", SRopeSlice::char_to_byte);
-
-    // module
-    // .register_fn("slice-char->byte", SRopeSlice::char_to_byte)
-    // .register_fn_borrowed::<S("slice->line", SRopeSlice::line);
-    // .register_fn("slice->byte-slice", SRopeSlice::byte_slice);
-
-    // module.register_fn("slice-len-chars", SRopeSlice::len_chars);
-
-    module
-}
-
-#[derive(Clone, Copy, Debug)]
-enum SliceKind {
-    Normal(usize, usize),
-    Byte(usize, usize),
-    Line(usize),
-}
-
-#[derive(Clone)]
-pub struct SteelRopeSlice {
-    text: crate::Rope,
-    ranges: SmallVec<[SliceKind; 5]>,
-}
-
-// #[derive(Clone)]
-// pub struct SteelRopeString {
-//     slice: SteelRopeSlice,
-//     operations: SmallVec<[StringOperation; 5]>,
-// }
-
-// #[derive(Clone)]
-// enum StringOperation {
-//     TrimStart,
-//     StartsWith(SteelString),
-// }
-
-// impl SteelRopeString {
-//     pub fn evaluate(&self) -> SteelVal {
-//         todo!()
-//     }
-// }
-
-impl Custom for SteelRopeSlice {}
-// impl Custom for SteelRopeString {}
-
-impl SteelRopeSlice {
-    pub fn from_string(string: SteelString) -> Self {
-        Self {
-            text: crate::Rope::from_str(string.as_str()),
-            ranges: SmallVec::default(),
-        }
-    }
-
-    pub fn new(rope: crate::Rope) -> Self {
-        Self {
-            text: rope,
-            ranges: SmallVec::default(),
-        }
-    }
-
-    fn to_slice(&self) -> crate::RopeSlice<'_> {
-        let mut slice = self.text.slice(..);
-
-        for range in &self.ranges {
-            match range {
-                SliceKind::Normal(l, r) => slice = slice.slice(l..r),
-                SliceKind::Byte(l, r) => slice = slice.byte_slice(l..r),
-                SliceKind::Line(index) => slice = slice.line(*index),
+        pub fn byte_slice(&'a self, lower: usize, upper: usize) -> SRopeSlice<'a> {
+            SRopeSlice {
+                slice: self.slice.byte_slice(lower..upper),
             }
         }
 
-        slice
+        pub fn line(&'a self, cursor: usize) -> SRopeSlice<'a> {
+            SRopeSlice {
+                slice: self.slice.line(cursor),
+            }
+        }
+
+        pub fn as_cow(&'a self) -> SRopeSliceCowStr<'a> {
+            SRopeSliceCowStr(std::borrow::Cow::from(self.slice))
+        }
+
+        pub fn to_string(&self) -> String {
+            self.slice.to_string()
+        }
+
+        pub fn len_chars(&'a self) -> usize {
+            self.slice.len_chars()
+        }
+
+        pub fn slice(&'a self, lower: usize, upper: usize) -> SRopeSlice<'a> {
+            SRopeSlice {
+                slice: self.slice.slice(lower..upper),
+            }
+        }
+
+        pub fn get_char(&'a self, index: usize) -> Option<char> {
+            self.slice.get_char(index)
+        }
     }
 
-    pub fn slice(mut self, lower: usize, upper: usize) -> Self {
-        self.ranges.push(SliceKind::Normal(lower, upper));
-        self
+    // RegisterFn::<
+    //     _,
+    //     steel::steel_vm::register_fn::MarkerWrapper7<(
+    //         Context<'_>,
+    //         helix_view::Editor,
+    //         helix_view::Editor,
+    //         Context<'static>,
+    //     )>,
+    //     helix_view::Editor,
+    // >::register_fn(&mut engine, "cx-editor!", get_editor);
+
+    pub fn rope_slice_module() -> BuiltInModule {
+        let mut module = BuiltInModule::new("helix/core/text");
+
+        // (SELF, ARG, SELFSTAT, RET, RETSTAT)
+
+        RegisterFnBorrowed::<
+            _,
+            steel::steel_vm::register_fn::MarkerWrapper9<(
+                SRopeSlice<'_>,
+                usize,
+                SRopeSlice<'static>,
+                SRopeSlice<'_>,
+                SRopeSlice<'static>,
+            )>,
+            SRopeSlice,
+        >::register_fn_borrowed(&mut module, "slice->line", SRopeSlice::line);
+
+        // TODO: Note the difficulty of the lifetime params here
+        module.register_fn("slice->string", SRopeSlice::to_string);
+        module.register_fn("slice-char->byte", SRopeSlice::char_to_byte);
+
+        // module
+        // .register_fn("slice-char->byte", SRopeSlice::char_to_byte)
+        // .register_fn_borrowed::<S("slice->line", SRopeSlice::line);
+        // .register_fn("slice->byte-slice", SRopeSlice::byte_slice);
+
+        // module.register_fn("slice-len-chars", SRopeSlice::len_chars);
+
+        module
     }
 
-    pub fn char_to_byte(&self, pos: usize) -> usize {
-        self.to_slice().char_to_byte(pos)
+    #[derive(Clone, Copy, Debug)]
+    enum SliceKind {
+        Normal(usize, usize),
+        Byte(usize, usize),
+        Line(usize),
     }
 
-    pub fn byte_slice(mut self, lower: usize, upper: usize) -> Self {
-        self.ranges.push(SliceKind::Byte(lower, upper));
-        self
+    #[derive(Clone)]
+    pub struct SteelRopeSlice {
+        text: crate::Rope,
+        ranges: SmallVec<[SliceKind; 5]>,
     }
 
-    pub fn line(mut self, cursor: usize) -> Self {
-        self.ranges.push(SliceKind::Line(cursor));
-        self
-    }
-
-    pub fn to_string(&self) -> String {
-        self.to_slice().to_string()
-    }
-
-    pub fn len_chars(&self) -> usize {
-        self.to_slice().len_chars()
-    }
-
-    pub fn get_char(&self, index: usize) -> Option<char> {
-        self.to_slice().get_char(index)
-    }
-
-    pub fn len_lines(&self) -> usize {
-        self.to_slice().len_lines()
-    }
-
-    pub fn trimmed_starts_with(&self, pat: SteelString) -> bool {
-        let maybe_owned = Cow::from(self.to_slice());
-
-        maybe_owned.trim_start().starts_with(pat.as_str())
-    }
-
-    // pub fn as_cow(&'a self) -> SRopeSliceCowStr<'a> {
-    //     SRopeSliceCowStr(std::borrow::Cow::from(self.slice))
+    // #[derive(Clone)]
+    // pub struct SteelRopeString {
+    //     slice: SteelRopeSlice,
+    //     operations: SmallVec<[StringOperation; 5]>,
     // }
-}
-
-pub fn rope_module() -> BuiltInModule {
-    let mut module = BuiltInModule::new("helix/core/text");
-
-    module
-        .register_fn("string->slice", SteelRopeSlice::from_string)
-        .register_fn("slice->slice", SteelRopeSlice::slice)
-        .register_fn("slice-char->byte", SteelRopeSlice::char_to_byte)
-        .register_fn("slice->byte-slice", SteelRopeSlice::byte_slice)
-        .register_fn("slice->line", SteelRopeSlice::line)
-        .register_fn("slice->string", SteelRopeSlice::to_string)
-        .register_fn("slice-len-chars", SteelRopeSlice::len_chars)
-        .register_fn("slice-char-ref", SteelRopeSlice::get_char)
-        .register_fn("slice-len-lines", SteelRopeSlice::len_lines)
-        .register_fn(
-            "slice-trim-and-starts-with?",
-            SteelRopeSlice::trimmed_starts_with,
-        );
-
-    module
+
+    // #[derive(Clone)]
+    // enum StringOperation {
+    //     TrimStart,
+    //     StartsWith(SteelString),
+    // }
+
+    // impl SteelRopeString {
+    //     pub fn evaluate(&self) -> SteelVal {
+    //         todo!()
+    //     }
+    // }
+
+    impl Custom for SteelRopeSlice {}
+    // impl Custom for SteelRopeString {}
+
+    impl SteelRopeSlice {
+        pub fn from_string(string: SteelString) -> Self {
+            Self {
+                text: crate::Rope::from_str(string.as_str()),
+                ranges: SmallVec::default(),
+            }
+        }
+
+        pub fn new(rope: crate::Rope) -> Self {
+            Self {
+                text: rope,
+                ranges: SmallVec::default(),
+            }
+        }
+
+        fn to_slice(&self) -> crate::RopeSlice<'_> {
+            let mut slice = self.text.slice(..);
+
+            for range in &self.ranges {
+                match range {
+                    SliceKind::Normal(l, r) => slice = slice.slice(l..r),
+                    SliceKind::Byte(l, r) => slice = slice.byte_slice(l..r),
+                    SliceKind::Line(index) => slice = slice.line(*index),
+                }
+            }
+
+            slice
+        }
+
+        pub fn slice(mut self, lower: usize, upper: usize) -> Self {
+            self.ranges.push(SliceKind::Normal(lower, upper));
+            self
+        }
+
+        pub fn char_to_byte(&self, pos: usize) -> usize {
+            self.to_slice().char_to_byte(pos)
+        }
+
+        pub fn byte_slice(mut self, lower: usize, upper: usize) -> Self {
+            self.ranges.push(SliceKind::Byte(lower, upper));
+            self
+        }
+
+        pub fn line(mut self, cursor: usize) -> Self {
+            self.ranges.push(SliceKind::Line(cursor));
+            self
+        }
+
+        pub fn to_string(&self) -> String {
+            self.to_slice().to_string()
+        }
+
+        pub fn len_chars(&self) -> usize {
+            self.to_slice().len_chars()
+        }
+
+        pub fn get_char(&self, index: usize) -> Option<char> {
+            self.to_slice().get_char(index)
+        }
+
+        pub fn len_lines(&self) -> usize {
+            self.to_slice().len_lines()
+        }
+
+        pub fn trimmed_starts_with(&self, pat: SteelString) -> bool {
+            let maybe_owned = Cow::from(self.to_slice());
+
+            maybe_owned.trim_start().starts_with(pat.as_str())
+        }
+
+        // pub fn as_cow(&'a self) -> SRopeSliceCowStr<'a> {
+        //     SRopeSliceCowStr(std::borrow::Cow::from(self.slice))
+        // }
+    }
+
+    pub fn rope_module() -> BuiltInModule {
+        let mut module = BuiltInModule::new("helix/core/text");
+
+        module
+            .register_fn("string->slice", SteelRopeSlice::from_string)
+            .register_fn("slice->slice", SteelRopeSlice::slice)
+            .register_fn("slice-char->byte", SteelRopeSlice::char_to_byte)
+            .register_fn("slice->byte-slice", SteelRopeSlice::byte_slice)
+            .register_fn("slice->line", SteelRopeSlice::line)
+            .register_fn("slice->string", SteelRopeSlice::to_string)
+            .register_fn("slice-len-chars", SteelRopeSlice::len_chars)
+            .register_fn("slice-char-ref", SteelRopeSlice::get_char)
+            .register_fn("slice-len-lines", SteelRopeSlice::len_lines)
+            .register_fn(
+                "slice-trim-and-starts-with?",
+                SteelRopeSlice::trimmed_starts_with,
+            );
+
+        module
+    }
 }

helix-loader/src/lib.rs

@@ -156,14 +156,6 @@ pub fn log_file() -> PathBuf {
     LOG_FILE.get().map(|path| path.to_path_buf()).unwrap()
 }
 
-pub fn helix_module_file() -> PathBuf {
-    config_dir().join("helix.scm")
-}
-
-pub fn steel_init_file() -> PathBuf {
-    config_dir().join("init.scm")
-}
-
 pub fn workspace_config_file() -> PathBuf {
     find_workspace().0.join(".helix").join("config.toml")
 }

helix-term/Cargo.toml

@@ -13,10 +13,12 @@ default-run = "hx"
 rust-version = "1.65"
 
 [features]
-default = ["git"]
+default = ["git", "steel"]
+# default = ["git"]
 unicode-lines = ["helix-core/unicode-lines"]
 integration = []
 git = ["helix-vcs/git"]
+steel = ["dep:steel-core", "helix-core/steel", "helix-view/steel", "tui/steel"]
 
 [[bin]]
 name = "hx"
@@ -67,7 +69,7 @@ grep-regex = "0.1.11"
 grep-searcher = "0.1.11"
 
 # plugin support
-steel-core = { workspace = true }
+steel-core = { workspace = true, optional = true }
 
 [target.'cfg(not(windows))'.dependencies]  # https://github.com/vorner/signal-hook/issues/100
 signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }

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

@@ -8,7 +8,7 @@ use steel::{
 };
 
 use crate::{
-    commands::{engine::ENGINE, Context},
+    commands::{engine::scheme::ENGINE, Context},
     compositor::{self, Component},
     ui::{Popup, Prompt, PromptEvent},
 };
@@ -72,6 +72,7 @@ pub fn helix_component_module() -> BuiltInModule {
             }
         },
     );
+
     // prompt: Cow<'static, str>,
     // history_register: Option<char>,
     // completion_fn: impl FnMut(&Editor, &str) -> Vec<Completion> + 'static,

helix-term/src/commands/typed.rs

@@ -2,7 +2,6 @@ use std::ops::Deref;
 
 use crate::job::Job;
 
-use super::engine::{compositor_present_error, present_error};
 use super::*;
 
 use helix_core::{encoding, shellwords::Shellwords};

helix-term/src/config.rs

@@ -134,7 +134,11 @@ impl Config {
         let local_config = fs::read_to_string(helix_loader::workspace_config_file())
             .map_err(ConfigLoadError::Error);
 
-        let bindings = crate::commands::engine::SharedKeyBindingsEventQueue::get();
+        #[cfg(feature = "steel")]
+        let bindings = crate::commands::engine::scheme::SharedKeyBindingsEventQueue::get();
+
+        #[cfg(not(feature = "steel"))]
+        let bindings = None;
 
         Config::load(global_config, local_config, bindings)
     }

helix-term/src/ui/editor.rs

@@ -803,20 +803,7 @@ impl EditorView {
         self.pseudo_pending.extend(self.keymaps.pending());
 
         // Check the engine for any buffer specific keybindings first
-        let key_result = ScriptingEngine::get_keymap_for_extension(cxt)
-            .and_then(|map| {
-                if let steel::SteelVal::Custom(inner) = map {
-                    if let Some(underlying) = steel::rvals::as_underlying_type::<
-                        commands::engine::EmbeddedKeyMap,
-                    >(inner.borrow().as_ref())
-                    {
-                        return Some(self.keymaps.get_with_map(&underlying.0, mode, event));
-                    }
-                }
-
-                None
-            })
-            .unwrap_or_else(|| self.keymaps.get(mode, event));
+        let key_result = ScriptingEngine::handle_keymap_event(self, mode, cxt, event);
 
         cxt.editor.autoinfo = self.keymaps.sticky().map(|node| node.infobox());
 

helix-term/src/ui/extension.rs

@@ -0,0 +1,11 @@
+#[cfg(feature = "steel")]
+mod steel_implementations {
+
+    use crate::{
+        compositor::Component,
+        ui::{Popup, Text},
+    };
+
+    impl steel::rvals::Custom for Text {}
+    impl<T: steel::rvals::IntoSteelVal + Component> steel::rvals::Custom for Popup<T> {}
+}

helix-term/src/ui/mod.rs

@@ -1,6 +1,7 @@
 mod completion;
 mod document;
 pub(crate) mod editor;
+mod extension;
 mod fuzzy_match;
 mod info;
 pub mod lsp;

helix-term/src/ui/popup.rs

@@ -3,7 +3,6 @@ use crate::{
     compositor::{Callback, Component, Context, Event, EventResult},
     ctrl, key,
 };
-use steel::rvals::Custom;
 use tui::buffer::Buffer as Surface;
 
 use helix_core::Position;
@@ -15,8 +14,6 @@ use helix_view::{
 // TODO: share logic with Menu, it's essentially Popup(render_fn), but render fn needs to return
 // a width/height hint. maybe Popup(Box<Component>)
 
-impl<T: steel::rvals::IntoSteelVal + Component> Custom for Popup<T> {}
-
 pub struct Popup<T: Component> {
     contents: T,
     position: Option<Position>,

helix-term/src/ui/statusline.rs

@@ -8,10 +8,7 @@ use helix_view::{
     Document, Editor, View,
 };
 
-use crate::{
-    commands::engine::{StatusLineMessage, STATUS_LINE_MESSAGE},
-    ui::ProgressSpinners,
-};
+use crate::ui::ProgressSpinners;
 
 use helix_view::editor::StatusLineElement as StatusLineElementID;
 use tui::buffer::Buffer as Surface;
@@ -515,9 +512,9 @@ fn render_custom_text<F>(context: &mut RenderContext, write: F)
 where
     F: Fn(&mut RenderContext, String, Option<Style>) + Copy,
 {
-    if let Some(message) = StatusLineMessage::get() {
-        write(context, message, None);
-    }
+    // if let Some(message) = StatusLineMessage::get() {
+    //     write(context, message, None);
+    // }
 }
 
 fn render_register<F>(context: &mut RenderContext, write: F)

helix-term/src/ui/text.rs

@@ -3,8 +3,6 @@ use tui::buffer::Buffer as Surface;
 
 use helix_view::graphics::Rect;
 
-impl steel::rvals::Custom for Text {}
-
 pub struct Text {
     pub(crate) contents: tui::text::Text<'static>,
     size: (u16, u16),

helix-tui/Cargo.toml

@@ -14,6 +14,7 @@ include = ["src/**/*", "README.md"]
 
 [features]
 default = ["crossterm"]
+steel = ["dep:steel-core", "helix-view/steel", "helix-core/steel"]
 
 [dependencies]
 bitflags = "2.4"
@@ -26,4 +27,4 @@ once_cell = "1.18"
 log = "~0.4"
 helix-view = { version = "0.6", path = "../helix-view", features = ["term"] }
 helix-core = { version = "0.6", path = "../helix-core" }
-steel-core = { workspace = true }
+steel-core = { workspace = true, optional = true }

helix-tui/src/extension.rs

@@ -1,7 +1,11 @@
-use crate::{buffer::Buffer, widgets::Widget};
+#[cfg(feature = "steel")]
+mod steel_implementations {
 
-use steel::{gc::unsafe_erased_pointers::CustomReference, rvals::Custom};
+    use crate::{buffer::Buffer, widgets::Widget};
 
-impl CustomReference for Buffer {}
+    use steel::{gc::unsafe_erased_pointers::CustomReference, rvals::Custom};
 
-steel::custom_reference!(Buffer);
+    impl CustomReference for Buffer {}
+
+    steel::custom_reference!(Buffer);
+}

helix-view/Cargo.toml

@@ -10,8 +10,8 @@ repository = "https://github.com/helix-editor/helix"
 homepage = "https://helix-editor.com"
 
 [features]
-default = []
 term = ["crossterm"]
+steel = ["dep:steel-core", "helix-core/steel"]
 
 [dependencies]
 bitflags = "2.4"
@@ -46,7 +46,7 @@ which = "4.4"
 parking_lot = "0.12.1"
 
 # plugin support
-steel-core = { workspace = true }
+steel-core = { workspace = true, optional = true }
 
 
 [target.'cfg(windows)'.dependencies]

helix-view/src/editor.rs

@@ -874,11 +874,6 @@ pub struct Breakpoint {
 
 use futures_util::stream::{Flatten, Once};
 
-impl steel::gc::unsafe_erased_pointers::CustomReference for Editor {}
-steel::custom_reference!(Editor);
-
-impl steel::rvals::Custom for Mode {}
-
 #[repr(C)]
 pub struct Editor {
     /// Current editing mode.

helix-view/src/extension.rs

@@ -1,15 +1,29 @@
-use steel::{gc::unsafe_erased_pointers::CustomReference, rvals::Custom};
-
-use crate::{graphics::Rect, input::Event, Document, DocumentId, ViewId};
-
-// Reference types along with value types - This should allow for having users
-impl CustomReference for Event {}
-impl Custom for Rect {}
-impl Custom for crate::graphics::CursorKind {}
-impl Custom for DocumentId {}
-impl Custom for ViewId {}
-impl CustomReference for Document {}
+use crate::DocumentId;
 
 pub fn document_id_to_usize(doc_id: &DocumentId) -> usize {
     doc_id.0.into()
 }
+
+#[cfg(feature = "steel")]
+mod steel_implementations {
+
+    use steel::{gc::unsafe_erased_pointers::CustomReference, rvals::Custom};
+
+    use crate::{
+        document::Mode, graphics::Rect, input::Event, Document, DocumentId, Editor, ViewId,
+    };
+
+    impl steel::gc::unsafe_erased_pointers::CustomReference for Editor {}
+    steel::custom_reference!(Editor);
+
+    impl steel::rvals::Custom for Mode {}
+    impl steel::rvals::Custom for Event {}
+
+    // Reference types along with value types - This should allow for having users
+    impl CustomReference for Event {}
+    impl Custom for Rect {}
+    impl Custom for crate::graphics::CursorKind {}
+    impl Custom for DocumentId {}
+    impl Custom for ViewId {}
+    impl CustomReference for Document {}
+}

helix-view/src/input.rs

@@ -17,8 +17,6 @@ pub enum Event {
     IdleTimeout,
 }
 
-impl steel::rvals::Custom for Event {}
-
 #[derive(Debug, PartialOrd, PartialEq, Eq, Clone, Copy, Hash)]
 pub struct MouseEvent {
     /// The kind of mouse event that was caused.