LSP supports semantic highlighting: https://microsoft.github.io/language-server-protocol/specification#textDocument_semanticTokens https://microsoft.github.io/l

LSP supports semantic highlighting: https://microsoft.github.io/language-server-protocol/specification#textDocument_semanticTokens https://microsoft.github.io/language-server-protocol/specifi... Though AIUI the basic syntax highlighting is done by the editor (e.g. VSCode uses Textmate grammar support).