Feature [feature-requests:#1533]. Improve performance of SCI_BRACEMATCH by only

retrieving style for braces.
Approximately 25% improvement on tested system.

2 files changed, 10 insertions, 8 deletions

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index dc3a0278e..2f1a4dfcb 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -597,6 +597,10 @@
 	<a href="https://github.com/ScintillaOrg/lexilla/issues/285">Issue #285</a>.
 	</li>
 	<li>
+	Improve performance of SCI_BRACEMATCH.
+	<a href="https://sourceforge.net/p/scintilla/feature-requests/1533/">Feature #1533</a>.
+	</li>
+	<li>
 	On GTK, allow middle click to insert multiple times within a document.
 	<a href="https://github.com/geany/geany/issues/2629">Geany Issue #2629</a>.
 	</li>
diff --git a/src/Document.cxx b/src/Document.cxx
index 4b1f76a2a..ef8bfce4d 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -2840,14 +2840,12 @@ Sci::Position Document::BraceMatch(Sci::Position position, Sci::Position /*maxRe
 	position = useStartPos ? startPos : NextPosition(position, direction);
 	while ((position >= 0) && (position < LengthNoExcept())) {
 		const char chAtPos = CharAt(position);
-		const int styAtPos = StyleIndexAt(position);
-		if ((position > GetEndStyled()) || (styAtPos == styBrace)) {
-			if (chAtPos == chBrace)
-				depth++;
-			if (chAtPos == chSeek)
-				depth--;
-			if (depth == 0)
-				return position;
+		if (chAtPos == chBrace || chAtPos == chSeek) {
+			if ((position > GetEndStyled()) || (StyleIndexAt(position) == styBrace)) {
+				depth += (chAtPos == chBrace) ? 1 : -1;
+				if (depth == 0)
+					return position;
+			}
 		}
 		const Sci::Position positionBeforeMove = position;
 		position = NextPosition(position, direction);