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Fix #418: iterator function should always return an iterator

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Even if it's an empty iterator.
This commit is contained in:
Stephan Seitz 2020-09-08 17:32:56 +02:00 • committed by Thomas Vigouroux
parent dc077b5fb0
commit 3c1399b94e
1 changed files with 3 additions and 3 deletions
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6
lua/nvim-treesitter/query.lua
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@ -236,13 +236,13 @@ end
-- @param root the root node -- @param root the root node
function M.iter_group_results(bufnr, query_group, root) function M.iter_group_results(bufnr, query_group, root)
local lang = parsers.get_buf_lang(bufnr) local lang = parsers.get_buf_lang(bufnr)
if not lang then return end if not lang then return function() end end
local query = M.get_query(lang, query_group) local query = M.get_query(lang, query_group)
if not query then return end if not query then return function() end end
local parser = parsers.get_parser(bufnr, lang) local parser = parsers.get_parser(bufnr, lang)
if not parser then return end if not parser then return function() end end
local root = root or parser:parse():root() local root = root or parser:parse():root()
local start_row, _, end_row, _ = root:range() local start_row, _, end_row, _ = root:range()