From 1a96e38e9e82a5acb35ab592a0b908a14b229256 Mon Sep 17 00:00:00 2001
From: pebble8888 <pebble8888@gmail.com>
Date: Sat, 7 Jan 2017 20:31:14 +0900
Subject: [PATCH] prevent crash CTRL-W #989

---
 XVim/IDEWorkspaceTabController+XVim.m | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/XVim/IDEWorkspaceTabController+XVim.m b/XVim/IDEWorkspaceTabController+XVim.m
index 3147b0f0..a6085b10 100644
--- a/XVim/IDEWorkspaceTabController+XVim.m
+++ b/XVim/IDEWorkspaceTabController+XVim.m
@@ -63,6 +63,7 @@ static inline BOOL xvim_horizontallyStackingModeForMode(GeniusLayoutMode mode) {
 @implementation IDEWorkspaceTabController (XVim)
 
 - (NSArray*)xvim_allEditorArea{
+#ifdef XCODE8_AND_LOWER
     NSMutableArray* otherViews = [[NSMutableArray alloc] init];
     for( IDEViewController* c in [self _keyboardFocusAreas] ){
         if( [[[c class] description] isEqualToString:@"IDEEditorContext"] ){
@@ -70,6 +71,10 @@ - (NSArray*)xvim_allEditorArea{
         }
     }
     return otherViews;
+#else
+    // _keyboardFocusAreas is not defined in Xcode8
+    return @[];
+#endif
 }
 
 -(GeniusLayoutMode)xvim_currentLayout