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Remove treesit-disabled-modes and change treesit-should-enable-p
Per emacs-devel discussion, remove treesit-disabled-modes and let major modes to provide tree-sitter switches. I also decided to add treesit-max-buffer-size to elisp manual despite it being a user option. Though we should still add it to the user manual. * doc/lispref/parsing.texi (Parsing Program Source): Update manual to remove entries for treesit-diabled-modes and add treesit-max-buffer-size. Also update treesit-should-enable-p. * lisp/treesit.el (treesit-disabled-modes): Remove user option. (treesit-maximum-size): Change to treesit-max-buffer-size. (treesit-should-enable-p): Change to treesit-can-enable-p and remove checks of treesit-disabled-modes.
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2 changed files with 22 additions and 29 deletions
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@ -35,11 +35,7 @@
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"Tree-sitter is an incremental parser."
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:group 'tools)
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(defcustom treesit-disabled-modes nil
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"A list of major-modes for which tree-sitter support is disabled."
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:type '(list symbol))
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(defcustom treesit-maximum-size (* 4 1024 1024)
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(defcustom treesit-max-buffer-size (* 4 1024 1024)
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"Maximum buffer size for enabling tree-sitter parsing."
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:type 'integer)
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@ -47,21 +43,12 @@
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"Return non-nil if tree-sitter features are available."
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(fboundp 'treesit-parser-create))
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(defun treesit-should-enable-p (&optional mode)
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"Return non-nil if MODE should activate tree-sitter support.
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MODE defaults to the value of `major-mode'. The result depends
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on the value of `treesit-disabled-modes',
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`treesit-maximum-size', and of course, whether tree-sitter is
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available on the system at all."
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(let* ((mode (or mode major-mode))
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(disabled (cl-loop
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for disabled-mode in treesit-disabled-modes
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if (provided-mode-derived-p mode disabled-mode)
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return t
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finally return nil)))
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(and (treesit-available-p)
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(not disabled)
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(< (buffer-size) treesit-maximum-size))))
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(defun treesit-can-enable-p ()
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"Return non-nil if current buffer can activate tree-sitter.
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Currently this function checks whether tree-sitter is available
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and the buffer size."
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(and (treesit-available-p)
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(< (buffer-size) treesit-maximum-size)))
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;;; Parser API supplement
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