wip

crates/language/src/language.rs

@@ -15,6 +15,7 @@ mod outline;
 pub mod proto;
 mod syntax_map;
 mod task_context;
+mod toolchain;
 
 #[cfg(test)]
 pub mod buffer_tests;

crates/language/src/toolchain.rs

@@ -0,0 +1,24 @@
+//! Provides support for language toolchains.
+//!
+//! A language can have associated toolchains,
+//! which is a set of tools used to interact with the projects written in said language.
+//! For example, a Python project can have an associated virtual environment; a Rust project can have a toolchain override.
+
+use gpui::SharedString;
+
+/// Represents a single toolchain.
+pub struct Toolchain {
+    /// User-facing label
+    pub label: SharedString,
+    /// Action that should be taken in order to activate a given toolchain.
+    pub action: (),
+}
+
+///
+pub trait ToolchainLister {
+    fn list(&self) -> ToolchainList;
+    fn activate(&self, _: Toolchain);
+}
+
+type DefaultIndex = usize;
+pub struct ToolchainList(Vec<Toolchain>, DefaultIndex);