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Merge pull request #1033 from Guldoman/PR_utf8_regex_fix 

Convert more byte offsets to utf-8 pos in regex tokenizer
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Jefferson González 2022-06-15 16:51:11 -04:00 committed by GitHub
parent bde056350a c947e8a4d1
commit eeea47a2e5
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1 changed files with 7 additions and 5 deletions
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12
data/core/tokenizer.lua
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@ -175,27 +175,29 @@ function tokenizer.tokenize(incoming_syntax, text, state)
res = p.pattern and { text:ufind((at_start or p.whole_line[p_idx]) and "^" .. code or code, next) }
or { regex.match(code, text, text:ucharpos(next), (at_start or p.whole_line[p_idx]) and regex.ANCHORED or 0) }
if p.regex and #res > 0 then -- set correct utf8 len for regex result
res[2] = res[1] + string.ulen(text:sub(res[1], res[2])) - 1
local char_pos_1 = string.ulen(text:sub(1, res[1]))
local char_pos_2 = char_pos_1 + string.ulen(text:sub(res[1], res[2])) - 1
-- `regex.match` returns group results as a series of `begin, end`
-- we only want `begin`s
if #res >= 3 then
res[3] = res[1] + string.ulen(text:sub(res[1], res[3])) - 1
res[3] = char_pos_1 + string.ulen(text:sub(res[1], res[3])) - 1
end
for i=1,(#res-3) do
local curr = i + 3
local from = i * 2 + 3
if from < #res then
res[curr] = res[1] + string.ulen(text:sub(res[1], res[from])) - 1
res[curr] = char_pos_1 + string.ulen(text:sub(res[1], res[from])) - 1
else
res[curr] = nil
end
end
res[1] = next
res[1] = char_pos_1
res[2] = char_pos_2
end
if res[1] and close and target[3] then
local count = 0
for i = res[1] - 1, 1, -1 do
if text:byte(i) ~= target[3]:byte() then break end
if text:ubyte(i) ~= target[3]:ubyte() then break end
count = count + 1
end
-- Check to see if the escaped character is there,