metadata generated by the compiler does not include the weak

attribute of a property. patch by Remy Demarest fixes it.

llvm-svn: 137509

clang/include/clang/AST/DeclObjC.h

@@ -1429,7 +1429,7 @@ public:
     NumPropertyAttrsBits = 12
   };
 
-  enum SetterKind { Assign, Retain, Copy };
+  enum SetterKind { Assign, Retain, Copy, Weak };
   enum PropertyControl { None, Required, Optional };
 private:
   SourceLocation AtLoc;   // location of @property
@@ -1509,6 +1509,8 @@ public:
       return Retain;
     if (PropertyAttributes & OBJC_PR_copy)
       return Copy;
+    if (PropertyAttributes & OBJC_PR_weak)
+      return Weak;
     return Assign;
   }
 

clang/lib/AST/ASTContext.cpp

@@ -4078,6 +4078,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
     case ObjCPropertyDecl::Assign: break;
     case ObjCPropertyDecl::Copy:   S += ",C"; break;
     case ObjCPropertyDecl::Retain: S += ",&"; break;
+    case ObjCPropertyDecl::Weak:   S += ",W"; break;
     }
   }