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detectindent: Limit subsyntax depth (#1253)

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This commit is contained in:
Guldoman
2022-12-20 22:28:29 -04:00
committed by GitHub
parent 1810db0705
commit 97bfe503a0
1 changed files with 4 additions and 2 deletions
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data/plugins/detectindent.lua
+4 -2
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@@ -75,7 +75,9 @@ local function escape_comment_tokens(token)
end end
local function get_comment_patterns(syntax) local function get_comment_patterns(syntax, _loop)
_loop = _loop or 1
if _loop > 5 then return end
if comments_cache[syntax] then if comments_cache[syntax] then
if #comments_cache[syntax] > 0 then if #comments_cache[syntax] > 0 then
return comments_cache[syntax] return comments_cache[syntax]
@@ -125,7 +127,7 @@ local function get_comment_patterns(syntax)
elseif pattern.syntax then elseif pattern.syntax then
local subsyntax = type(pattern.syntax) == 'table' and pattern.syntax local subsyntax = type(pattern.syntax) == 'table' and pattern.syntax
or core_syntax.get("file"..pattern.syntax, "") or core_syntax.get("file"..pattern.syntax, "")
local sub_comments = get_comment_patterns(subsyntax) local sub_comments = get_comment_patterns(subsyntax, _loop + 1)
if sub_comments then if sub_comments then
for s=1, #sub_comments do for s=1, #sub_comments do
table.insert(comments, sub_comments[s]) table.insert(comments, sub_comments[s])