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cc6a257c8c
Problem: Not all default highlight groups show their actual colors. Solution: Refactor `vimhelp.lua` and apply it to all relevant lists (UI groups, syntax groups, treesitter groups, LSP groups, diagnostic groups).
34 lines
990 B
Lua
34 lines
990 B
Lua
-- Extra functionality for displaying Vim help.
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local M = {}
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--- Apply current colorscheme to lists of default highlight groups
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---
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--- Note: {patterns} is assumed to be sorted by occurrence in the file.
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--- @param patterns {start:string,stop:string,match:string}[]
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function M.highlight_groups(patterns)
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local ns = vim.api.nvim_create_namespace('vimhelp')
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vim.api.nvim_buf_clear_namespace(0, ns, 0, -1)
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local save_cursor = vim.fn.getcurpos()
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for _, pat in pairs(patterns) do
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local start_lnum = vim.fn.search(pat.start, 'c')
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local end_lnum = vim.fn.search(pat.stop)
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if start_lnum == 0 or end_lnum == 0 then
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break
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end
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for lnum = start_lnum, end_lnum do
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local word = vim.api.nvim_buf_get_lines(0, lnum - 1, lnum, true)[1]:match(pat.match)
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if vim.fn.hlexists(word) ~= 0 then
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vim.api.nvim_buf_set_extmark(0, ns, lnum - 1, 0, { end_col = #word, hl_group = word })
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end
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end
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end
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vim.fn.setpos('.', save_cursor)
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end
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return M
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