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Lisette support for Helix

Features

  • Syntax highlighting
  • Diagnostics
  • Hover
  • Completions
  • Go-to-definition
  • References
  • Rename
  • Signature help
  • Formatting
  • Document symbols

Installation

  1. Install the Lisette binary:

    cargo install lisette
lis version # -> lisette 0.2.1 (go 1.25.10)

  2. Add to your languages.toml config:

    [language-server.lisette-lsp]
command = "lis"
args = ["lsp"]

[[language]]
name = "lisette"
scope = "source.lisette"
injection-regex = "lis|lisette"
file-types = ["lis"]
roots = ["lisette.toml"]
auto-format = true
comment-tokens = ["//", "///"]
language-servers = ["lisette-lsp"]
indent = { tab-width = 2, unit = "  " }

[[grammar]]
name = "lisette"
source = { git = "https://github.com/ivov/lisette", rev = "dd62a38f70bbde085d4f23557305d455299f4774", subpath = "editors/tree-sitter-lisette" }

  3. Fetch and build the tree-sitter grammar:

    hx --grammar fetch
hx --grammar build

  4. Copy the query files so Helix can use them for syntax highlighting:

    mkdir -p ~/.config/helix/runtime/queries/lisette
cp ~/.config/helix/runtime/grammars/sources/lisette/editors/tree-sitter-lisette/queries/* \
  ~/.config/helix/runtime/queries/lisette/