Remove legacy parent pointer of ASLayoutSpec (#2987)

maicki · Adlai Holler · commit aedac5c29975 · 2017-02-06T20:01:37.000-08:00
diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
@@ -1114,7 +1114,6 @@ - (ASLayout *)calculateLayoutThatFits:(ASSizeRange)constrainedSize
       ASDisplayNodeAssert(layoutSpec.isMutable, @"Node %@ returned layout spec %@ that has already been used. Layout specs should always be regenerated.", self, layoutSpec);
     }
     
-    layoutSpec.parent = self;
     layoutSpec.isMutable = NO;
   }
   
diff --git a/AsyncDisplayKit/Layout/ASLayoutSpec.h b/AsyncDisplayKit/Layout/ASLayoutSpec.h
@@ -25,11 +25,6 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (nonatomic, assign) BOOL isMutable;
 
-/**
- * Parent of the layout spec
- */
-@property (nullable, nonatomic, weak) id<ASLayoutElement> parent;
-
 /**
  * First child within the children's array.
  *

Original file line number	Diff line number	Diff line change
`@@ -1114,7 +1114,6 @@ - (ASLayout *)calculateLayoutThatFits:(ASSizeRange)constrainedSize`
`1114`	`1114`	`ASDisplayNodeAssert(layoutSpec.isMutable, @"Node %@ returned layout spec %@ that has already been used. Layout specs should always be regenerated.", self, layoutSpec);`
`1115`	`1115`	`}`
`1116`	`1116`
`1117`		`- layoutSpec.parent = self;`
`1118`	`1117`	`layoutSpec.isMutable = NO;`
`1119`	`1118`	`}`
`1120`	`1119`