nlpplus-ts-mode

Emacs major modes for NLP++ and the files an NLP++ analyzer is made of. They use tree-sitter and need Emacs 29.1 or later.

Mode	Files
nlpplus-ts-mode	Pass files: *.nlp, *.pat
nlpplus-ts-dict-mode	Dictionaries: kb/user/*.dict
nlpplus-ts-kbb-mode	Knowledge bases: *.kbb
nlpplus-ts-seq-mode	Pass sequences: analyzer.seq
nlpplus-ts-tree-mode	Parse trees: *_log/*.tree

All five modes highlight their files. nlpplus-ts-mode also provides indentation, imenu, and navigation by function and rule (beginning-of-defun, end-of-defun). It also registers the NLP++ language server with Eglot.

Installing

1. Install the package:

   (use-package nlpplus-ts-mode
     :vc (:url "https://github.com/VisualText/nlpplus-ts-mode"))

2. Install the grammars from tree-sitter-nlpplus by running M-x nlpplus-ts-mode-install-grammars. This needs a C compiler.

   If your Emacs's tree-sitter library is older than 0.25 (ABI 14), the command builds the grammars from their abi-14 branch. The official Windows build of Emacs 30 has that older library.

3. For the language server, install it with npm i -g nlpplus-language-server. Then run M-x eglot in a pass file.

Customizing

nlpplus-ts-mode-indent-offset (default 4) sets the indentation step in pass files.

To change how much is colored, set treesit-font-lock-level. Level 4 also colors function calls, operators and punctuation.

License

MIT