文件列表:

janet-ts-experiment.el (19798, 2023-08-16)
janet-ts-mode-highlighting.png (61213, 2023-08-16)
janet-ts-mode.el (37524, 2023-08-16)
rainbow-delimiters-test-samples/ (0, 2023-08-16)
rainbow-delimiters-test-samples/backslash-within-long-string.janet (10, 2023-08-16)
rainbow-delimiters-test-samples/closing-paren-in-long-string.janet (14, 2023-08-16)
rainbow-delimiters-test-samples/mismatched-parens-within-long-string.janet (165, 2023-08-16)
rainbow-delimiters-test-samples/multiple-samples-combined.janet (207, 2023-08-16)
rainbow-delimiters-test-samples/treesit-query-compile-needs-third-argument-eager.janet (237, 2023-08-16)
rainbow-delimiters-test-samples/within-line-comment-backslash-between-two-backticks.janet (295, 2023-08-16)

# janet-ts-mode A tree-sitter-based Emacs major mode for the Janet programming language  ## Status Author uses as primary means of editing Janet code. Currently has more-or-less usable: * Highlighting (fair bit working) * Indentation (fair bit working) * Imenu (somewhat functional) * Navigation (somewhat functional) * Which-Func (somewhat functional) See the "Things to try" section below for additional details. ## Dependencies * [tree-sitter](https://github.com/sogaiu/janet-ts-mode/blob/master/https://github.com/tree-sitter/tree-sitter) * [Emacs with tree-sitter support](https://github.com/sogaiu/janet-ts-mode/blob/master/https://github.com/emacs-mirror/emacs) (master branch or >= emacs-29) * [tree-sitter-module](https://github.com/sogaiu/janet-ts-mode/blob/master/https://github.com/casouri/tree-sitter-module) for getting a dynamic library for tree-sitter-janet-simple (`./build.sh janet-simple`) ## Setup * Fulfill dependencies and teach Emacs about tree-sitter grammar dynamic library location * [Debian / Ubuntu](https://github.com/sogaiu/janet-ts-mode/blob/master/https://gist.github.com/sogaiu/a13512e146e8f5c0e94d1804838558ee) -- this should become easier once Emacs-tree-sitter integration ships. * [Void](https://github.com/sogaiu/janet-ts-mode/blob/master/https://gist.github.com/sogaiu/088e55664970dde57a30b725bb7b4707) -- the easiest way I've tried so far :) * [These steps](https://github.com/sogaiu/janet-ts-mode/blob/master/https://blog.markhepburn.com/posts/experimenting-with-the-built-in-treesitter-support-in-emacs/) give instructions that are a bit less distribution-specific (though there is a trade-off regarding setup of things so that Emacs knows where to find the tree-sitter library). * [How to Get Started with Tree-Sitter](https://github.com/sogaiu/janet-ts-mode/blob/master/https://www.masteringemacs.org/article/how-to-get-started-tree-sitter) might be worth looking at, though I haven't examined the details. * janet-ts-mode prep * Manual * `cd ~/src # or some place appropriate` * `git clone https://github.com/sogaiu/janet-ts-mode` * edit .emacs-equivalent so that: * `load-path` knows about janet-ts-mode * `(require 'janet-ts-mode)` is included * Straight - add something like the following to .emacs-equivalent: ``` (straight-use-package '(janet-ts-mode :host github :repo "sogaiu/janet-ts-mode" :files ("*.el"))) (use-package janet-ts-mode :straight t) ``` ## Things to try * Open a `.janet` file, then: * `M-x janet-ts-mode` to enable the major mode * Try indenting some code * Observe some syntax highlighting :) * `M-x imenu` * `M-x which-function-mode` * `M-x treesit-end-of-defun` - might be a bit weird due to [this](https://github.com/sogaiu/janet-ts-mode/blob/master/https://github.com/tree-sitter/tree-sitter-bash/issues/139) * `M-x treesit-beginning-of-defun` * Developer-ish things: * Observe the node information in the mode line - courtesy of `treesit-inspect-mode` * `M-x treesit-explore-mode` * `M-: (treesit-query-validate ...)` and `M-: (treesit-query-string ...)` -- see comments in `.el` file * There's a file named `janet-ts-experiment.el` that contains a variety of convenience commands. As the file name suggests, the content is experimental. Not sure what if anything I'll keep from it, but currently it has: * Selection * Select something relevant around point * Expand current selection * Formatting Helpers * Split across lines, content of selection at opening parens * Format pairs within selection to be on own lines * Wrapping * Wrap something at point in `tracev` call * Unwrap a `tracev` call that contains point * Comment and Long-String Folding * Fold aforementioned forms so they don't take much space * Unfold folded forms so the content can be seen * Toggle the folding of certain forms * Delimiters * Cycle delimiters: `(...)` -> `[...]` -> `{...}` and back to parens * Move right delimiter at point over the next thing to the right - if you're not a structural editor user and have found auto-balanced delimiters (particularly parens) to get in your way, this function might be appealing. If the file is `require`d, it should add various things to the Janet-TS menu. ## Possible Future Activities * Filling out, refining, modifying existing things mentioned above :) ## Credits * ahungry - theme and other discussions * AlbertoGP - PR 12 to janet-mode * bakpakin and Janet contributors * bbatsov - clojure-ts-mode discussions * casouri and other Emacs contributors - Emacs tree-sitter integration * dannyfreeman - clojure-ts-mode and discussions * dgutov - ruby-ts--syntax-propertize work * Fanael - rainbow-delimiters and syntax table discussion * maxbrunsfeld and tree-sitter contributors - tree-sitter * ml-2 - suggestions and discussions * thechampagne - autoloads * ubolonton and elisp-tree-sitter contributors * yrns - PR 11 to janet-mode

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