Add nonnil markup to ObjC library.
Add the clang annotations to the objc library and generated code to help with Swift bridging and compiler checks.
diff --git a/objectivec/GPBRootObject.m b/objectivec/GPBRootObject.m
index 3f64825..7036723 100644
--- a/objectivec/GPBRootObject.m
+++ b/objectivec/GPBRootObject.m
@@ -36,6 +36,7 @@
#import <CoreFoundation/CoreFoundation.h>
#import "GPBDescriptor.h"
+#import "GPBExtensionRegistry.h"
#import "GPBUtilities_PackagePrivate.h"
@interface GPBExtensionDescriptor (GPBRootObject)
@@ -97,6 +98,7 @@
static OSSpinLock gExtensionSingletonDictionaryLock_ = OS_SPINLOCK_INIT;
static CFMutableDictionaryRef gExtensionSingletonDictionary = NULL;
+static GPBExtensionRegistry *gDefaultExtensionRegistry = NULL;
+ (void)initialize {
// Ensure the global is started up.
@@ -113,6 +115,7 @@
gExtensionSingletonDictionary =
CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &keyCallBacks,
&kCFTypeDictionaryValueCallBacks);
+ gDefaultExtensionRegistry = [[GPBExtensionRegistry alloc] init];
}
if ([self superclass] == [GPBRootObject class]) {
@@ -126,7 +129,7 @@
+ (GPBExtensionRegistry *)extensionRegistry {
// Is overridden in all the subclasses that provide extensions to provide the
// per class one.
- return nil;
+ return gDefaultExtensionRegistry;
}
+ (void)globallyRegisterExtension:(GPBExtensionDescriptor *)field {
