Code review request

[GoogleCodeExporter]

Purpose of code changes on this branch:
Get protobuf happily compiling with LLVM 3.0

After the review, I'll merge this branch into:
/trunk

Diff:

Index: protobuf-2.2.0/objectivec/Classes/ConcreteExtensionField.m
===================================================================
--- protobuf-2.2.0/objectivec/Classes/ConcreteExtensionField.m  (revision 4426)
+++ protobuf-2.2.0/objectivec/Classes/ConcreteExtensionField.m  (working copy)
@@ -16,10 +16,10 @@

 @interface PBConcreteExtensionField()
 @property PBExtensionType type;
-@property Class extendedClass;
+@property (assign) Class extendedClass;
 @property int32_t fieldNumber;
 @property (retain) id defaultValue;
-@property Class messageOrGroupClass;
+@property (assign) Class messageOrGroupClass;
 @property BOOL isRepeated;
 @property BOOL isPacked;
 @property BOOL isMessageSetWireFormat;
@@ -149,9 +149,9 @@
     case PBExtensionTypeSFixed64:
     case PBExtensionTypeDouble:
       return 8;
+    default:
+      @throw [NSException exceptionWithName:@"InternalError" reason:@"" 
userInfo:nil];
   }
-
-  @throw [NSException exceptionWithName:@"InternalError" reason:@"" 
userInfo:nil];
 }

@@ -490,14 +490,14 @@
     case PBExtensionTypeEnum:     return [NSNumber numberWithInt:[input readEnum]];
     case PBExtensionTypeGroup:
     {
-      id<PBMessage_Builder> builder = [messageOrGroupClass builder];
+      id<PBMessage_Builder> builder = 
(id<PBMessage_Builder>)[messageOrGroupClass builder];
       [input readGroup:fieldNumber builder:builder extensionRegistry:extensionRegistry];
       return [builder build];
     }

     case PBExtensionTypeMessage:
     {
-      id<PBMessage_Builder> builder = [messageOrGroupClass builder];
+      id<PBMessage_Builder> builder = 
(id<PBMessage_Builder>)[messageOrGroupClass builder];
       [input readMessage:builder extensionRegistry:extensionRegistry];
       return [builder build];
     }

Original issue reported on code.google.com by dmaclach on 8 Sep 2011 at 3:32

[GoogleCodeExporter]

Cheers for that - I had made the modification myself and came looking on here 
to suggest a patch!

Original comment by b...@dotbill.co.uk on 5 Oct 2011 at 1:25