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locality: fix perf issue with long lines #2187

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locality: fix perf issue with long lines #2187

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3 changes: 2 additions & 1 deletion lua/cmp/config/compare.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,8 @@ compare.locality = setmetatable({
local locality_map = self.lines_cache:ensure({ 'line', buffer }, function()
local locality_map = {}
local regexp = vim.regex(config.completion.keyword_pattern)
while buffer ~= '' do
-- the buffer length check is to avoid performance issues on very long lines, #1841
while buffer ~= '' and #buffer < 5000 do
local s, e = regexp:match_str(buffer)
if s and e then
local w = string.sub(buffer, s + 1, e)
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