when in the context of an @implementation, look for private methods in the
@implementation to resolve nullary selector references.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53845 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 9cb8b98..4f085d2 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -635,14 +635,26 @@
       (IFTy = PTy->getPointeeType()->getAsObjCInterfaceType())) {
     ObjCInterfaceDecl *IFace = IFTy->getDecl();
     
+    // FIXME: The logic for looking up nullary and unary selectors should be
+    // shared with the code in ActOnInstanceMessage.
+    
     // Before we look for explicit property declarations, we check for
     // nullary methods (which allow '.' notation).
     Selector Sel = PP.getSelectorTable().getNullarySelector(&Member);
-    
     if (ObjCMethodDecl *MD = IFace->lookupInstanceMethod(Sel))
       return new ObjCPropertyRefExpr(MD, MD->getResultType(), 
                                      MemberLoc, BaseExpr);
     
+    // If this reference is in an @implementation, check for 'private' methods.
+    if (ObjCMethodDecl *CurMeth = getCurMethodDecl()) {
+      if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
+        if (ObjCImplementationDecl *ImpDecl = 
+              ObjCImplementations[ClassDecl->getIdentifier()])
+          if (ObjCMethodDecl *MD = ImpDecl->getInstanceMethod(Sel))
+            return new ObjCPropertyRefExpr(MD, MD->getResultType(), 
+                                           MemberLoc, BaseExpr);
+    }      
+    
     // FIXME: Need to deal with setter methods that take 1 argument. E.g.:
     // @interface NSBundle : NSObject {}
     // - (NSString *)bundlePath;