feat: add a basic lsp

crates/cli/src/cmd/lsp.rs

@@ -0,0 +1,13 @@
+use miette::IntoDiagnostic;
+
+#[derive(clap::Args)]
+/// Start the Aiken language server
+pub struct Args {
+    /// Run on stdio
+    #[clap(long)]
+    stdio: bool,
+}
+
+pub fn exec(_args: Args) -> miette::Result<()> {
+    aiken_lsp::start().into_diagnostic()
+}

crates/cli/src/cmd/mod.rs

@@ -1,6 +1,7 @@
 pub mod build;
 pub mod check;
 pub mod fmt;
+pub mod lsp;
 pub mod new;
 pub mod tx;
 pub mod uplc;

crates/cli/src/main.rs

@@ -1,4 +1,4 @@
-use aiken::cmd::{build, check, fmt, new, tx, uplc};
+use aiken::cmd::{build, check, fmt, lsp, new, tx, uplc};
 use clap::Parser;
 
 /// Aiken: a smart-contract language and toolchain for Cardano
@@ -12,6 +12,9 @@ pub enum Cmd {
     Build(build::Args),
     Check(check::Args),
 
+    #[clap(hide = true)]
+    Lsp(lsp::Args),
+
     #[clap(subcommand)]
     Tx(tx::Cmd),
 
@@ -32,6 +35,7 @@ fn main() -> miette::Result<()> {
         Cmd::Fmt(args) => fmt::exec(args),
         Cmd::Build(args) => build::exec(args),
         Cmd::Check(args) => check::exec(args),
+        Cmd::Lsp(args) => lsp::exec(args),
         Cmd::Tx(sub_cmd) => tx::exec(sub_cmd),
         Cmd::Uplc(sub_cmd) => uplc::exec(sub_cmd),
     }