objectivec/GPBUnknownField.m - third_party/protobuf - Git at Google

 // 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.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 #import "GPBUnknownField_PackagePrivate.h"

 #import "GPBArray.h"
 #import "GPBCodedOutputStream_PackagePrivate.h"
 #import "GPBUnknownFieldSet.h"

 @implementation GPBUnknownField {
  @protected
   int32_t number_;
   GPBUInt64Array *mutableVarintList_;
   GPBUInt32Array *mutableFixed32List_;
   GPBUInt64Array *mutableFixed64List_;
   NSMutableArray<NSData*> *mutableLengthDelimitedList_;
   NSMutableArray<GPBUnknownFieldSet*> *mutableGroupList_;
 }

 @synthesize number = number_;
 @synthesize varintList = mutableVarintList_;
 @synthesize fixed32List = mutableFixed32List_;
 @synthesize fixed64List = mutableFixed64List_;
 @synthesize lengthDelimitedList = mutableLengthDelimitedList_;
 @synthesize groupList = mutableGroupList_;

 - (instancetype)initWithNumber:(int32_t)number {
   if ((self = [super init])) {
     number_ = number;
   }
   return self;
 }

 - (void)dealloc {
   [mutableVarintList_ release];
   [mutableFixed32List_ release];
   [mutableFixed64List_ release];
   [mutableLengthDelimitedList_ release];
   [mutableGroupList_ release];

   [super dealloc];
 }

 // 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"

 - (id)copyWithZone:(NSZone *)zone {
   GPBUnknownField *result =
       [[GPBUnknownField allocWithZone:zone] initWithNumber:number_];
   result->mutableFixed32List_ = [mutableFixed32List_ copyWithZone:zone];
   result->mutableFixed64List_ = [mutableFixed64List_ copyWithZone:zone];
   result->mutableLengthDelimitedList_ =
       [mutableLengthDelimitedList_ mutableCopyWithZone:zone];
   result->mutableVarintList_ = [mutableVarintList_ copyWithZone:zone];
   if (mutableGroupList_.count) {
     result->mutableGroupList_ = [[NSMutableArray allocWithZone:zone]
         initWithCapacity:mutableGroupList_.count];
     for (GPBUnknownFieldSet *group in mutableGroupList_) {
       GPBUnknownFieldSet *copied = [group copyWithZone:zone];
       [result->mutableGroupList_ addObject:copied];
       [copied release];
     }
   }
   return result;
 }

 - (BOOL)isEqual:(id)object {
   if (self == object) return YES;
   if (![object isKindOfClass:[GPBUnknownField class]]) return NO;
   GPBUnknownField *field = (GPBUnknownField *)object;
   if (number_ != field->number_) return NO;
   BOOL equalVarint =
       (mutableVarintList_.count == 0 && field->mutableVarintList_.count == 0) ||
       [mutableVarintList_ isEqual:field->mutableVarintList_];
   if (!equalVarint) return NO;
   BOOL equalFixed32 = (mutableFixed32List_.count == 0 &&
                        field->mutableFixed32List_.count == 0) ||
                       [mutableFixed32List_ isEqual:field->mutableFixed32List_];
   if (!equalFixed32) return NO;
   BOOL equalFixed64 = (mutableFixed64List_.count == 0 &&
                        field->mutableFixed64List_.count == 0) ||
                       [mutableFixed64List_ isEqual:field->mutableFixed64List_];
   if (!equalFixed64) return NO;
   BOOL equalLDList =
       (mutableLengthDelimitedList_.count == 0 &&
        field->mutableLengthDelimitedList_.count == 0) ||
       [mutableLengthDelimitedList_ isEqual:field->mutableLengthDelimitedList_];
   if (!equalLDList) return NO;
   BOOL equalGroupList =
       (mutableGroupList_.count == 0 && field->mutableGroupList_.count == 0) ||
       [mutableGroupList_ isEqual:field->mutableGroupList_];
   if (!equalGroupList) return NO;
   return YES;
 }

 - (NSUInteger)hash {
   // Just mix the hashes of the possible sub arrays.
   const int prime = 31;
   NSUInteger result = prime + [mutableVarintList_ hash];
   result = prime * result + [mutableFixed32List_ hash];
   result = prime * result + [mutableFixed64List_ hash];
   result = prime * result + [mutableLengthDelimitedList_ hash];
   result = prime * result + [mutableGroupList_ hash];
   return result;
 }

 - (void)writeToOutput:(GPBCodedOutputStream *)output {
   NSUInteger count = mutableVarintList_.count;
   if (count > 0) {
     [output writeUInt64Array:number_ values:mutableVarintList_ tag:0];
   }
   count = mutableFixed32List_.count;
   if (count > 0) {
     [output writeFixed32Array:number_ values:mutableFixed32List_ tag:0];
   }
   count = mutableFixed64List_.count;
   if (count > 0) {
     [output writeFixed64Array:number_ values:mutableFixed64List_ tag:0];
   }
   count = mutableLengthDelimitedList_.count;
   if (count > 0) {
     [output writeBytesArray:number_ values:mutableLengthDelimitedList_];
   }
   count = mutableGroupList_.count;
   if (count > 0) {
     [output writeUnknownGroupArray:number_ values:mutableGroupList_];
   }
 }

 - (size_t)serializedSize {
   __block size_t result = 0;
   int32_t number = number_;
   [mutableVarintList_
       enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         result += GPBComputeUInt64Size(number, value);
       }];

   [mutableFixed32List_
       enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         result += GPBComputeFixed32Size(number, value);
       }];

   [mutableFixed64List_
       enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         result += GPBComputeFixed64Size(number, value);
       }];

   for (NSData *data in mutableLengthDelimitedList_) {
     result += GPBComputeBytesSize(number, data);
   }

   for (GPBUnknownFieldSet *set in mutableGroupList_) {
     result += GPBComputeUnknownGroupSize(number, set);
   }

   return result;
 }

 - (void)writeAsMessageSetExtensionToOutput:(GPBCodedOutputStream *)output {
   for (NSData *data in mutableLengthDelimitedList_) {
     [output writeRawMessageSetExtension:number_ value:data];
   }
 }

 - (size_t)serializedSizeAsMessageSetExtension {
   size_t result = 0;
   for (NSData *data in mutableLengthDelimitedList_) {
     result += GPBComputeRawMessageSetExtensionSize(number_, data);
   }
   return result;
 }

 - (NSString *)description {
   NSMutableString *description =
       [NSMutableString stringWithFormat:@"<%@ %p>: Field: %d {\n",
        [self class], self, number_];
   [mutableVarintList_
       enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         [description appendFormat:@"\t%llu\n", value];
       }];

   [mutableFixed32List_
       enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         [description appendFormat:@"\t%u\n", value];
       }];

   [mutableFixed64List_
       enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
 #pragma unused(idx, stop)
         [description appendFormat:@"\t%llu\n", value];
       }];

   for (NSData *data in mutableLengthDelimitedList_) {
     [description appendFormat:@"\t%@\n", data];
   }

   for (GPBUnknownFieldSet *set in mutableGroupList_) {
     [description appendFormat:@"\t%@\n", set];
   }
   [description appendString:@"}"];
   return description;
 }

 - (void)mergeFromField:(GPBUnknownField *)other {
   GPBUInt64Array *otherVarintList = other.varintList;
   if (otherVarintList.count > 0) {
     if (mutableVarintList_ == nil) {
       mutableVarintList_ = [otherVarintList copy];
     } else {
       [mutableVarintList_ addValuesFromArray:otherVarintList];
     }
   }

   GPBUInt32Array *otherFixed32List = other.fixed32List;
   if (otherFixed32List.count > 0) {
     if (mutableFixed32List_ == nil) {
       mutableFixed32List_ = [otherFixed32List copy];
     } else {
       [mutableFixed32List_ addValuesFromArray:otherFixed32List];
     }
   }

   GPBUInt64Array *otherFixed64List = other.fixed64List;
   if (otherFixed64List.count > 0) {
     if (mutableFixed64List_ == nil) {
       mutableFixed64List_ = [otherFixed64List copy];
     } else {
       [mutableFixed64List_ addValuesFromArray:otherFixed64List];
     }
   }

   NSArray *otherLengthDelimitedList = other.lengthDelimitedList;
   if (otherLengthDelimitedList.count > 0) {
     if (mutableLengthDelimitedList_ == nil) {
       mutableLengthDelimitedList_ = [otherLengthDelimitedList mutableCopy];
     } else {
       [mutableLengthDelimitedList_
           addObjectsFromArray:otherLengthDelimitedList];
     }
   }

   NSArray *otherGroupList = other.groupList;
   if (otherGroupList.count > 0) {
     if (mutableGroupList_ == nil) {
       mutableGroupList_ =
           [[NSMutableArray alloc] initWithCapacity:otherGroupList.count];
     }
     // Make our own mutable copies.
     for (GPBUnknownFieldSet *group in otherGroupList) {
       GPBUnknownFieldSet *copied = [group copy];
       [mutableGroupList_ addObject:copied];
       [copied release];
     }
   }
 }

 - (void)addVarint:(uint64_t)value {
   if (mutableVarintList_ == nil) {
     mutableVarintList_ = [[GPBUInt64Array alloc] initWithValues:&value count:1];
   } else {
     [mutableVarintList_ addValue:value];
   }
 }

 - (void)addFixed32:(uint32_t)value {
   if (mutableFixed32List_ == nil) {
     mutableFixed32List_ =
         [[GPBUInt32Array alloc] initWithValues:&value count:1];
   } else {
     [mutableFixed32List_ addValue:value];
   }
 }

 - (void)addFixed64:(uint64_t)value {
   if (mutableFixed64List_ == nil) {
     mutableFixed64List_ =
         [[GPBUInt64Array alloc] initWithValues:&value count:1];
   } else {
     [mutableFixed64List_ addValue:value];
   }
 }

 - (void)addLengthDelimited:(NSData *)value {
   if (mutableLengthDelimitedList_ == nil) {
     mutableLengthDelimitedList_ =
         [[NSMutableArray alloc] initWithObjects:&value count:1];
   } else {
     [mutableLengthDelimitedList_ addObject:value];
   }
 }

 - (void)addGroup:(GPBUnknownFieldSet *)value {
   if (mutableGroupList_ == nil) {
     mutableGroupList_ = [[NSMutableArray alloc] initWithObjects:&value count:1];
   } else {
     [mutableGroupList_ addObject:value];
   }
 }

 #pragma clang diagnostic pop

 @end
	// 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.
	// * Redistributions in binary form must reproduce the above
	// copyright notice, this list of conditions and the following disclaimer
	// in the documentation and/or other materials provided with the
	// distribution.
	// * Neither the name of Google Inc. nor the names of its
	// contributors may be used to endorse or promote products derived from
	// this software without specific prior written permission.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	#import "GPBUnknownField_PackagePrivate.h"

	#import "GPBArray.h"
	#import "GPBCodedOutputStream_PackagePrivate.h"
	#import "GPBUnknownFieldSet.h"

	@implementation GPBUnknownField {
	@protected
	int32_t number_;
	GPBUInt64Array *mutableVarintList_;
	GPBUInt32Array *mutableFixed32List_;
	GPBUInt64Array *mutableFixed64List_;
	NSMutableArray<NSData> mutableLengthDelimitedList_;
	NSMutableArray<GPBUnknownFieldSet> mutableGroupList_;
	}

	@synthesize number = number_;
	@synthesize varintList = mutableVarintList_;
	@synthesize fixed32List = mutableFixed32List_;
	@synthesize fixed64List = mutableFixed64List_;
	@synthesize lengthDelimitedList = mutableLengthDelimitedList_;
	@synthesize groupList = mutableGroupList_;

	- (instancetype)initWithNumber:(int32_t)number {
	if ((self = [super init])) {
	number_ = number;
	}
	return self;
	}

	- (void)dealloc {
	[mutableVarintList_ release];
	[mutableFixed32List_ release];
	[mutableFixed64List_ release];
	[mutableLengthDelimitedList_ release];
	[mutableGroupList_ release];

	[super dealloc];
	}

	// 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"

	- (id)copyWithZone:(NSZone *)zone {
	GPBUnknownField *result =
	[[GPBUnknownField allocWithZone:zone] initWithNumber:number_];
	result->mutableFixed32List_ = [mutableFixed32List_ copyWithZone:zone];
	result->mutableFixed64List_ = [mutableFixed64List_ copyWithZone:zone];
	result->mutableLengthDelimitedList_ =
	[mutableLengthDelimitedList_ mutableCopyWithZone:zone];
	result->mutableVarintList_ = [mutableVarintList_ copyWithZone:zone];
	if (mutableGroupList_.count) {
	result->mutableGroupList_ = [[NSMutableArray allocWithZone:zone]
	initWithCapacity:mutableGroupList_.count];
	for (GPBUnknownFieldSet *group in mutableGroupList_) {
	GPBUnknownFieldSet *copied = [group copyWithZone:zone];
	[result->mutableGroupList_ addObject:copied];
	[copied release];
	}
	}
	return result;
	}

	- (BOOL)isEqual:(id)object {
	if (self == object) return YES;
	if (![object isKindOfClass:[GPBUnknownField class]]) return NO;
	GPBUnknownField field = (GPBUnknownField )object;
	if (number_ != field->number_) return NO;
	BOOL equalVarint =
	(mutableVarintList_.count == 0 && field->mutableVarintList_.count == 0) \|\|
	[mutableVarintList_ isEqual:field->mutableVarintList_];
	if (!equalVarint) return NO;
	BOOL equalFixed32 = (mutableFixed32List_.count == 0 &&
	field->mutableFixed32List_.count == 0) \|\|
	[mutableFixed32List_ isEqual:field->mutableFixed32List_];
	if (!equalFixed32) return NO;
	BOOL equalFixed64 = (mutableFixed64List_.count == 0 &&
	field->mutableFixed64List_.count == 0) \|\|
	[mutableFixed64List_ isEqual:field->mutableFixed64List_];
	if (!equalFixed64) return NO;
	BOOL equalLDList =
	(mutableLengthDelimitedList_.count == 0 &&
	field->mutableLengthDelimitedList_.count == 0) \|\|
	[mutableLengthDelimitedList_ isEqual:field->mutableLengthDelimitedList_];
	if (!equalLDList) return NO;
	BOOL equalGroupList =
	(mutableGroupList_.count == 0 && field->mutableGroupList_.count == 0) \|\|
	[mutableGroupList_ isEqual:field->mutableGroupList_];
	if (!equalGroupList) return NO;
	return YES;
	}

	- (NSUInteger)hash {
	// Just mix the hashes of the possible sub arrays.
	const int prime = 31;
	NSUInteger result = prime + [mutableVarintList_ hash];
	result = prime * result + [mutableFixed32List_ hash];
	result = prime * result + [mutableFixed64List_ hash];
	result = prime * result + [mutableLengthDelimitedList_ hash];
	result = prime * result + [mutableGroupList_ hash];
	return result;
	}

	- (void)writeToOutput:(GPBCodedOutputStream *)output {
	NSUInteger count = mutableVarintList_.count;
	if (count > 0) {
	[output writeUInt64Array:number_ values:mutableVarintList_ tag:0];
	}
	count = mutableFixed32List_.count;
	if (count > 0) {
	[output writeFixed32Array:number_ values:mutableFixed32List_ tag:0];
	}
	count = mutableFixed64List_.count;
	if (count > 0) {
	[output writeFixed64Array:number_ values:mutableFixed64List_ tag:0];
	}
	count = mutableLengthDelimitedList_.count;
	if (count > 0) {
	[output writeBytesArray:number_ values:mutableLengthDelimitedList_];
	}
	count = mutableGroupList_.count;
	if (count > 0) {
	[output writeUnknownGroupArray:number_ values:mutableGroupList_];
	}
	}

	- (size_t)serializedSize {
	__block size_t result = 0;
	int32_t number = number_;
	[mutableVarintList_
	enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	result += GPBComputeUInt64Size(number, value);
	}];

	[mutableFixed32List_
	enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	result += GPBComputeFixed32Size(number, value);
	}];

	[mutableFixed64List_
	enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	result += GPBComputeFixed64Size(number, value);
	}];

	for (NSData *data in mutableLengthDelimitedList_) {
	result += GPBComputeBytesSize(number, data);
	}

	for (GPBUnknownFieldSet *set in mutableGroupList_) {
	result += GPBComputeUnknownGroupSize(number, set);
	}

	return result;
	}

	- (void)writeAsMessageSetExtensionToOutput:(GPBCodedOutputStream *)output {
	for (NSData *data in mutableLengthDelimitedList_) {
	[output writeRawMessageSetExtension:number_ value:data];
	}
	}

	- (size_t)serializedSizeAsMessageSetExtension {
	size_t result = 0;
	for (NSData *data in mutableLengthDelimitedList_) {
	result += GPBComputeRawMessageSetExtensionSize(number_, data);
	}
	return result;
	}

	- (NSString *)description {
	NSMutableString *description =
	[NSMutableString stringWithFormat:@"<%@ %p>: Field: %d {\n",
	[self class], self, number_];
	[mutableVarintList_
	enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	[description appendFormat:@"\t%llu\n", value];
	}];

	[mutableFixed32List_
	enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	[description appendFormat:@"\t%u\n", value];
	}];

	[mutableFixed64List_
	enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
	#pragma unused(idx, stop)
	[description appendFormat:@"\t%llu\n", value];
	}];

	for (NSData *data in mutableLengthDelimitedList_) {
	[description appendFormat:@"\t%@\n", data];
	}

	for (GPBUnknownFieldSet *set in mutableGroupList_) {
	[description appendFormat:@"\t%@\n", set];
	}
	[description appendString:@"}"];
	return description;
	}

	- (void)mergeFromField:(GPBUnknownField *)other {
	GPBUInt64Array *otherVarintList = other.varintList;
	if (otherVarintList.count > 0) {
	if (mutableVarintList_ == nil) {
	mutableVarintList_ = [otherVarintList copy];
	} else {
	[mutableVarintList_ addValuesFromArray:otherVarintList];
	}
	}

	GPBUInt32Array *otherFixed32List = other.fixed32List;
	if (otherFixed32List.count > 0) {
	if (mutableFixed32List_ == nil) {
	mutableFixed32List_ = [otherFixed32List copy];
	} else {
	[mutableFixed32List_ addValuesFromArray:otherFixed32List];
	}
	}

	GPBUInt64Array *otherFixed64List = other.fixed64List;
	if (otherFixed64List.count > 0) {
	if (mutableFixed64List_ == nil) {
	mutableFixed64List_ = [otherFixed64List copy];
	} else {
	[mutableFixed64List_ addValuesFromArray:otherFixed64List];
	}
	}

	NSArray *otherLengthDelimitedList = other.lengthDelimitedList;
	if (otherLengthDelimitedList.count > 0) {
	if (mutableLengthDelimitedList_ == nil) {
	mutableLengthDelimitedList_ = [otherLengthDelimitedList mutableCopy];
	} else {
	[mutableLengthDelimitedList_
	addObjectsFromArray:otherLengthDelimitedList];
	}
	}

	NSArray *otherGroupList = other.groupList;
	if (otherGroupList.count > 0) {
	if (mutableGroupList_ == nil) {
	mutableGroupList_ =
	[[NSMutableArray alloc] initWithCapacity:otherGroupList.count];
	}
	// Make our own mutable copies.
	for (GPBUnknownFieldSet *group in otherGroupList) {
	GPBUnknownFieldSet *copied = [group copy];
	[mutableGroupList_ addObject:copied];
	[copied release];
	}
	}
	}

	- (void)addVarint:(uint64_t)value {
	if (mutableVarintList_ == nil) {
	mutableVarintList_ = [[GPBUInt64Array alloc] initWithValues:&value count:1];
	} else {
	[mutableVarintList_ addValue:value];
	}
	}

	- (void)addFixed32:(uint32_t)value {
	if (mutableFixed32List_ == nil) {
	mutableFixed32List_ =
	[[GPBUInt32Array alloc] initWithValues:&value count:1];
	} else {
	[mutableFixed32List_ addValue:value];
	}
	}

	- (void)addFixed64:(uint64_t)value {
	if (mutableFixed64List_ == nil) {
	mutableFixed64List_ =
	[[GPBUInt64Array alloc] initWithValues:&value count:1];
	} else {
	[mutableFixed64List_ addValue:value];
	}
	}

	- (void)addLengthDelimited:(NSData *)value {
	if (mutableLengthDelimitedList_ == nil) {
	mutableLengthDelimitedList_ =
	[[NSMutableArray alloc] initWithObjects:&value count:1];
	} else {
	[mutableLengthDelimitedList_ addObject:value];
	}
	}

	- (void)addGroup:(GPBUnknownFieldSet *)value {
	if (mutableGroupList_ == nil) {
	mutableGroupList_ = [[NSMutableArray alloc] initWithObjects:&value count:1];
	} else {
	[mutableGroupList_ addObject:value];
	}
	}

	#pragma clang diagnostic pop

	@end