Aiken Language Server Protocol (LSP)

The aiken command-line comes built-in with a Language Server implementing (part of) the Language Server Protocol.

Getting Started

General

Regardless of your IDE, you'll likely need the following information to configure your language client:

• command: aiken lsp

  Note The command is hidden from the command-line help usage

• root pattern: aiken.toml

• filetype: aiken (.ak)

VsCode

Simply install the VSCode Aiken extension from the official marketplace.

NeoVim

If you're using NeoVim and using nvim-lspconfig then there's almost nothing to do as Aiken is directly supported. Simply follow the official instructions

Supported Capabilities

• Document syncing and on-the-fly compilation
• Document formatting (akin to aiken fmt)
• Go-to definition
• Type annotation on hover
• Code actions providing quickfixes for a variety of errors:
  • aiken::check::unknown::variable
  • aiken::check::unknown::type
  • aiken::check::unknown::type_constructor
  • aiken::check::unknown::module