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feat(treesitter): upstream get_node_at_cursor()
Util from the nvim-treesitter project.
This commit is contained in:

committed by
Christian Clason

parent
5b8d6e0b32
commit
ffe98531b9
@@ -81,7 +81,7 @@ end
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--- If needed this will create the parser.
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--- Unconditionally attach the provided callback
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---
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---@param bufnr number|nil Buffer the parser should be tied to: (default current buffer)
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---@param bufnr number|nil Buffer the parser should be tied to (default: current buffer)
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---@param lang string |nil Filetype of this parser (default: buffer filetype)
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---@param opts table|nil Options to pass to the created language tree
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---
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@@ -245,6 +245,27 @@ function M.get_captures_at_position(bufnr, row, col)
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return matches
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end
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--- Gets the smallest named node under the cursor
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---
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---@param winnr number Window handle or 0 for current window
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---@param opts table Options table
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---@param opts.ignore_injections boolean (default true) Ignore injected languages.
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---
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---@returns (table) The named node under the cursor
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function M.get_node_at_cursor(winnr, opts)
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winnr = winnr or 0
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local cursor = a.nvim_win_get_cursor(winnr)
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local ts_cursor_range = { cursor[1] - 1, cursor[2], cursor[1] - 1, cursor[2] }
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local buf = a.nvim_win_get_buf(winnr)
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local root_lang_tree = M.get_parser(buf)
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if not root_lang_tree then
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return
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end
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return root_lang_tree:named_node_for_range(ts_cursor_range, opts)
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end
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--- Start treesitter highlighting for a buffer
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---
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--- Can be used in an ftplugin or FileType autocommand
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