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Fix performance issue in show-matching highlighter on big buffers

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Stop searching for the matching character when getting out of view
instead of going until the buffer edge.
This commit is contained in:
Maxime Coste 2021-01-22 17:18:02 +11:00
parent 0fd5a9d995
commit 04a64e6e29
1 changed files with 2 additions and 2 deletions
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4
src/highlighters.cc
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@ -1203,7 +1203,7 @@ void show_matching_char(HighlightContext context, DisplayBuffer& display_buffer,
{ {
const Codepoint opening = *match; const Codepoint opening = *match;
const Codepoint closing = *(match+1); const Codepoint closing = *(match+1);
while (it != buffer.end()) while (it.base().coord() <= range.end)
{ {
if (*it == opening) if (*it == opening)
++level; ++level;
@ -1230,7 +1230,7 @@ void show_matching_char(HighlightContext context, DisplayBuffer& display_buffer,
false, apply_face(face)); false, apply_face(face));
break; break;
} }
if (it == buffer.begin()) if (it.base().coord() <= range.begin)
break; break;
--it; --it;
} }