From e0d07d07ef9910e1eda22164518bb61217fc151d Mon Sep 17 00:00:00 2001
From: Huy Nguyen <allforone1511@gmail.com>
Date: Fri, 9 Mar 2018 22:23:41 +0000
Subject: [PATCH] ASTextNode should avoid acquiring its lock multiple times
 #trivial (#820)

Since the lock was acquire before we try to access the renderer, we should call `-_locked_renderer` to avoid re-acquiring the same (recursive) lock.
---
 Source/ASTextNode.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/ASTextNode.mm b/Source/ASTextNode.mm
index 522ebabedd..ccbed9c078 100644
--- a/Source/ASTextNode.mm
+++ b/Source/ASTextNode.mm
@@ -769,7 +769,7 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
 
       if (highlightTargetLayer != nil) {
         ASDN::MutexLocker l(__instanceLock__);
-        ASTextKitRenderer *renderer = [self _renderer];
+        ASTextKitRenderer *renderer = [self _locked_renderer];
 
         NSArray *highlightRects = [renderer rectsForTextRange:highlightRange measureOption:ASTextKitRendererMeasureOptionBlock];
         NSMutableArray *converted = [NSMutableArray arrayWithCapacity:highlightRects.count];