mirror of
https://github.com/doomemacs/doomemacs
synced 2025-09-14 15:46:56 -05:00
1adec8b10c
ts-modes do this already in 30/31+ (`derived-mode-add-parents` was added in 30), but is still needed for 29.x users and any ts-modes that haven't adapted (many of them). Fix: doomemacs/community#29
75 lines
3.4 KiB
EmacsLisp
75 lines
3.4 KiB
EmacsLisp
;;; tools/tree-sitter/autoload/tree-sitter.el -*- lexical-binding: t; -*-
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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! (modes ts-mode &optional recipes)
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"Remap major MODES to TS-MODE.
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MODES and TS-MODE are major mode symbols. MODES can be a list thereof. If
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RECIPES is provided, fall back to MODES if RECIPES don't pass `treesit-ready-p'
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when activating TS-MODE. Use this for ts modes that error out instead of failing
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gracefully.
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RECIPES is a symbol (a grammar language name), list thereof, or alist of plists
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with the format (LANG &key URL REV SOURCE-DIR CC CPP COMMIT). If an alist of
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plists, it will be transformed into entries for `treesit-language-source-alist'
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(which describe what each of these keys mean). Note that COMMIT is ignored
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pre-Emacs 31."
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(declare (indent 2))
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(cl-check-type modes (or list symbol))
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(cl-check-type ts-mode symbol)
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(let ((recipes (mapcar #'ensure-list (ensure-list recipes)))
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(modes (ensure-list modes)))
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(when modes
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;; Most ts-modes do not register their base modes as parents until Emacs
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;; 30/31; this backports that.
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(put ts-mode 'derived-mode-extra-parents modes))
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(dolist (m (or modes (list nil)))
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(when m
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(setf (alist-get m major-mode-remap-defaults) ts-mode))
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(put ts-mode '+tree-sitter (cons m (mapcar #'car recipes))))
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(when-let* ((fn (intern-soft (format "%s-maybe" ts-mode))))
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(cl-callf2 rassq-delete-all fn auto-mode-alist)
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(cl-callf2 rassq-delete-all fn interpreter-mode-alist))
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(when-let* ((recipes (cl-delete-if-not #'cdr recipes)))
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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) (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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;;;###autoload
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(defun +tree-sitter-ts-mode-inhibit-side-effects-a (fn &rest args)
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"Suppress changes to `auto-mode-alist' and `interpreter-mode-alist'."
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(let (auto-mode-alist interpreter-mode-alist)
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(apply fn args)))
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;;; TODO: Backwards compatibility
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;;; tree-sitter.el ends here
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