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fix(treesitter): don't trample parsers when filetype!=lang

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This allows vim.treesitter.show_tree() to work on buffers where the
filetype does not match the parser language name e.g, bash/sh.
This commit is contained in:
Lewis Russell
2023-02-09 16:08:22 +00:00
parent f5bad01869
commit 8a985d12dd
2 changed files with 7 additions and 5 deletions
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10
runtime/lua/vim/treesitter.lua
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@@ -96,11 +96,13 @@ function M.get_parser(bufnr, lang, opts)
if bufnr == nil or bufnr == 0 then
bufnr = a.nvim_get_current_buf()
end
if lang == nil then
lang = a.nvim_buf_get_option(bufnr, 'filetype')
end
if parsers[bufnr] == nil or parsers[bufnr]:lang() ~= lang then
if parsers[bufnr] == nil then
lang = lang or a.nvim_buf_get_option(bufnr, 'filetype')
parsers[bufnr] = M._create_parser(bufnr, lang, opts)
elseif lang and parsers[bufnr]:lang() ~= lang then
-- Only try to create a new parser if lang is provided
-- and it doesn't match the stored parser
parsers[bufnr] = M._create_parser(bufnr, lang, opts)
end