mirror of
https://github.com/doomemacs/doomemacs
synced 2025-08-01 12:17:25 -05:00
7949d1bf27
This is a temporary solution and will be polished up before the treesit
branch is merged into master.
Ref: #7623
Amend: 617d8411e6
86 lines
3.7 KiB
EmacsLisp
86 lines
3.7 KiB
EmacsLisp
;;; tools/tree-sitter/autoload/tree-sitter.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defvar +tree-sitter--major-mode-remaps-alist nil)
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;;;###autodef (fset 'tree-sitter! #'ignore)
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(defun tree-sitter! ()
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(message "Old tree-sitter.el support is deprecated!"))
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;;;###autodef (fset 'set-tree-sitter! #'ignore)
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(defun set-tree-sitter! (mode ts-mode &optional recipes)
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"Remap major MODE to TS-MODE.
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MODE and TS-MODE are major mode symbols. If RECIPES is provided, fall back to
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MODE if RECIPES don't pass `treesit-ready-p' when activating TS-MODE. Use this
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for ts modes that error out instead of failing gracefully.
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RECIPES are an alist of plists with the format (LANG &key URL REV SOURCE-DIR CC
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CPP COMMIT), which will be transformed into entries for
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`treesit-language-source-alist' (which descrie what each of these keys mean).
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Note that COMMIT is only available in Emacs >=31."
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(declare (indent 2))
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(cl-check-type mode symbol)
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(cl-check-type ts-mode symbol)
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(setq recipes (ensure-list recipes))
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(dolist (m (ensure-list mode))
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(add-to-list
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'+tree-sitter--major-mode-remaps-alist
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(cons
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m (let (ensured?)
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(lambda ()
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(funcall
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;; Because standard major-mode remapping doesn't offer graceful
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;; failure in some cases, I implement it myself:
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(cond ((null recipes) m)
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((not (fboundp ts-mode))
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(message "Couldn't find %S, using %S instead" ts-mode m)
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m)
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((and (fboundp 'treesit-available-p)
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(treesit-available-p)
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(fboundp ts-mode)
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;; Only prompt once, and log other times.
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(cl-every (if ensured?
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(doom-rpartial #'treesit-ready-p 'message)
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#'treesit-ensure-installed)
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(cl-loop for r in recipes
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if (listp r)
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collect (car r)
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else collect (list r))))
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ts-mode)
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((setq ensured? t)
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m))))))))
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(with-eval-after-load 'treesit
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(dolist (recipe recipes)
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(cl-destructuring-bind (name &key url rev source-dir cc cpp commit)
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(ensure-list recipe)
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(setf (alist-get name treesit-language-source-alist)
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(append (list url rev source-dir cc cpp)
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;; COMPAT: 31.1 introduced a COMMIT recipe argument. On
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;; <=30.x, extra arguments will trigger an arity error
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;; when installing grammars.
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(if (eq (cdr (func-arity 'treesit--install-language-grammar-1))
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'many)
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(list commit))))))))
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;; ;; HACK: Remove and refactor when `use-package' eager macro expansion is solved or `use-package!' is removed
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;; ;;;###autoload
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;; (defun +tree-sitter-get-textobj (group &optional query)
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;; "A wrapper around `evil-textobj-tree-sitter-get-textobj' to
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;; prevent eager expansion."
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;; (eval `(evil-textobj-tree-sitter-get-textobj ,group ,query)))
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;; ;;;###autoload
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;; (defun +tree-sitter-goto-textobj (group &optional previous end query)
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;; "Thin wrapper that returns the symbol of a named function, used in keybindings."
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;; (let ((sym (intern (format "+goto%s%s-%s" (if previous "-previous" "") (if end "-end" "") group))))
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;; (fset sym (lambda ()
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;; (interactive)
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;; (evil-textobj-tree-sitter-goto-textobj group previous end query)))
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;; sym))
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;;; TODO: Backwards compatibility
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;;; tree-sitter.el ends here
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