third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/objectivec/GPBDescriptor_PackagePrivate.h

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 19 matching lines @@
 
 // This header is private to the ProtobolBuffers library and must NOT be
 // included by any sources outside this library. The contents of this file are
 // subject to change at any time without notice.
 
 #import "GPBDescriptor.h"
 #import "GPBWireFormat.h"
 
 // Describes attributes of the field.
 typedef NS_OPTIONS(uint16_t, GPBFieldFlags) {
+  GPBFieldNone            = 0,
   // These map to standard protobuf concepts.
   GPBFieldRequired        = 1 << 0,
   GPBFieldRepeated        = 1 << 1,
   GPBFieldPacked          = 1 << 2,
   GPBFieldOptional        = 1 << 3,
   GPBFieldHasDefaultValue = 1 << 4,
 
   // Indicates the field needs custom handling for the TextFormat name, if not
   // set, the name can be derived from the ObjC name.
   GPBFieldTextFormatNameCustom = 1 << 6,
@@ skipping 54 matching lines @@
 // value. This struct provides the default along with the field info.
 typedef struct GPBMessageFieldDescriptionWithDefault {
   // Default value for the ivar.
   GPBGenericValue defaultValue;
 
   GPBMessageFieldDescription core;
 } GPBMessageFieldDescriptionWithDefault;
 
 // Describes attributes of the extension.
 typedef NS_OPTIONS(uint8_t, GPBExtensionOptions) {
+  GPBExtensionNone          = 0,
   // These map to standard protobuf concepts.
   GPBExtensionRepeated      = 1 << 0,
   GPBExtensionPacked        = 1 << 1,
   GPBExtensionSetWireFormat = 1 << 2,
 };
 
 // An extension
 typedef struct GPBExtensionDescription {
   GPBGenericValue defaultValue;
   const char *singletonName;
   const char *extendedClass;
   const char *messageOrGroupClassName;
   GPBEnumDescriptorFunc enumDescriptorFunc;
   int32_t fieldNumber;
   GPBDataType dataType;
   GPBExtensionOptions options;
 } GPBExtensionDescription;
 
 typedef NS_OPTIONS(uint32_t, GPBDescriptorInitializationFlags) {
+  GPBDescriptorInitializationFlag_None              = 0,
   GPBDescriptorInitializationFlag_FieldsWithDefault = 1 << 0,
   GPBDescriptorInitializationFlag_WireFormat        = 1 << 1,
 };
 
 @interface GPBDescriptor () {
  @package
   NSArray *fields_;
   NSArray *oneofs_;
   uint32_t storageSize_;
 }
@@ skipping 15 matching lines @@
                    wireFormat:(BOOL)wireFormat;
 
 // Called right after init to provide extra information to avoid init having
 // an explosion of args. These pointers are recorded, so they are expected
 // to live for the lifetime of the app.
 - (void)setupOneofs:(const char **)oneofNames
               count:(uint32_t)count
       firstHasIndex:(int32_t)firstHasIndex;
 - (void)setupExtraTextInfo:(const char *)extraTextFormatInfo;
 - (void)setupExtensionRanges:(const GPBExtensionRange *)ranges count:(int32_t)count;
+- (void)setupContainingMessageClassName:(const char *)msgClassName;
+- (void)setupMessageClassNameSuffix:(NSString *)suffix;
 
 @end
 
 @interface GPBFileDescriptor ()
 - (instancetype)initWithPackage:(NSString *)package
+                     objcPrefix:(NSString *)objcPrefix
+                         syntax:(GPBFileSyntax)syntax;
+- (instancetype)initWithPackage:(NSString *)package
                          syntax:(GPBFileSyntax)syntax;
 @end
 
 @interface GPBOneofDescriptor () {
  @package
   const char *name_;
   NSArray *fields_;
   SEL caseSel_;
 }
 // name must be long lived.
@@ skipping 55 matching lines @@
 @property(nonatomic, readonly) GPBWireFormat alternateWireType;
 
 // description has to be long lived, it is held as a raw pointer.
 - (instancetype)initWithExtensionDescription:
     (GPBExtensionDescription *)description;
 - (NSComparisonResult)compareByFieldNumber:(GPBExtensionDescriptor *)other;
 @end
 
 CF_EXTERN_C_BEGIN
 
+// Direct access is use for speed, to avoid even internally declaring things
+// read/write, etc. The warning is enabled in the project to ensure code calling
+// protos can turn on -Wdirect-ivar-access without issues.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdirect-ivar-access"
+
 GPB_INLINE BOOL GPBFieldIsMapOrArray(GPBFieldDescriptor *field) {
   return (field->description_->flags &
           (GPBFieldRepeated | GPBFieldMapKeyMask)) != 0;
 }
 
 GPB_INLINE GPBDataType GPBGetFieldDataType(GPBFieldDescriptor *field) {
   return field->description_->dataType;
 }
 
 GPB_INLINE int32_t GPBFieldHasIndex(GPBFieldDescriptor *field) {
   return field->description_->hasIndex;
 }
 
 GPB_INLINE uint32_t GPBFieldNumber(GPBFieldDescriptor *field) {
   return field->description_->number;
 }
 
+#pragma clang diagnostic pop
+
 uint32_t GPBFieldTag(GPBFieldDescriptor *self);
 
 // For repeated fields, alternateWireType is the wireType with the opposite
 // value for the packable property.  i.e. - if the field was marked packed it
 // would be the wire type for unpacked; if the field was marked unpacked, it
 // would be the wire type for packed.
 uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self);
 
 GPB_INLINE BOOL GPBPreserveUnknownFields(GPBFileSyntax syntax) {
   return syntax != GPBFileSyntaxProto3;
 }
 
 GPB_INLINE BOOL GPBHasPreservingUnknownEnumSemantics(GPBFileSyntax syntax) {
   return syntax == GPBFileSyntaxProto3;
 }
 
 GPB_INLINE BOOL GPBExtensionIsRepeated(GPBExtensionDescription *description) {
   return (description->options & GPBExtensionRepeated) != 0;
 }
 
 GPB_INLINE BOOL GPBExtensionIsPacked(GPBExtensionDescription *description) {
   return (description->options & GPBExtensionPacked) != 0;
 }
 
 GPB_INLINE BOOL GPBExtensionIsWireFormat(GPBExtensionDescription *description) {
   return (description->options & GPBExtensionSetWireFormat) != 0;
 }
 
 // Helper for compile time assets.
-#ifndef _GPBCompileAssert
+#ifndef GPBInternalCompileAssert
   #if __has_feature(c_static_assert) || __has_extension(c_static_assert)
-    #define _GPBCompileAssert(test, msg) _Static_assert((test), #msg)
+    #define GPBInternalCompileAssert(test, msg) _Static_assert((test), #msg)
   #else
     // Pre-Xcode 7 support.
-    #define _GPBCompileAssertSymbolInner(line, msg) _GPBCompileAssert ## line ## __ ## msg
-    #define _GPBCompileAssertSymbol(line, msg) _GPBCompileAssertSymbolInner(line, msg)
-    #define _GPBCompileAssert(test, msg) \
-        typedef char _GPBCompileAssertSymbol(__LINE__, msg) [ ((test) ? 1 : -1) ]
+    #define GPBInternalCompileAssertSymbolInner(line, msg) GPBInternalCompileAssert ## line ## __ ## msg
+    #define GPBInternalCompileAssertSymbol(line, msg) GPBInternalCompileAssertSymbolInner(line, msg)
+    #define GPBInternalCompileAssert(test, msg) \
+        typedef char GPBInternalCompileAssertSymbol(__LINE__, msg) [ ((test) ? 1 : -1) ]
   #endif  // __has_feature(c_static_assert) || __has_extension(c_static_assert)
-#endif // _GPBCompileAssert
+#endif // GPBInternalCompileAssert
 
 // Sanity check that there isn't padding between the field description
 // structures with and without a default.
-_GPBCompileAssert(sizeof(GPBMessageFieldDescriptionWithDefault) ==
-                  (sizeof(GPBGenericValue) +
-                   sizeof(GPBMessageFieldDescription)),
-                  DescriptionsWithDefault_different_size_than_expected);
+GPBInternalCompileAssert(sizeof(GPBMessageFieldDescriptionWithDefault) ==
+                         (sizeof(GPBGenericValue) +
+                          sizeof(GPBMessageFieldDescription)),
+                         DescriptionsWithDefault_different_size_than_expected);
 
 CF_EXTERN_C_END