79a23c435c
NOTE: This is a binary breaking change as structure sizes have changed size and/or order. - Drop capturing field options, no other options were captured and other mobile targeted languages don't try to capture this sort information (saved 8 bytes for every field defined (in static data and again in field descriptor instance size data). - No longer generate/compile in the messages/enums in descriptor.proto. If developers need it, they should generate it and compile it in. Reduced the overhead of the core library. - Compute the number of has_bits actually needs to avoid over reserving. - Let the boolean single fields store via a has_bit to avoid storage, makes the common cases of the instance size smaller. - Reorder some flags and down size the enums to contain the bits needed. - Reorder the items in the structures to manually ensure they are are packed better (especially when generating 64bit code - 8 bytes for every field, 16 bytes for every extension, instance sizes 8 bytes also). - Split off the structure initialization so when the default is zero, the generated static storage doesn't need to reserve the space. This is batched at the message level, so all the fields for the message have to have zero defaults to get the saves. By definition all proto3 syntax files fall into this case but it also saves space for the proto2 that use the standard defaults. (saves 8 bytes of static data for every field that had a zero default) - Don't track the enums defined by a message. Nothing in the runtime needs it and it was just generation and runtime overhead. (saves 8 bytes per enum) - Ensure EnumDescriptors are started up threadsafe in all cases. - Split some of the Descriptor initialization into multiple methods so the generated code isn't padded with lots of zero/nil args. - Change how oneof info is feed to the runtime enabling us to generate less static data (8 bytes saved per oneof for 64bit). - Change how enum value informat is capture to pack the data and only decode it if it ends up being needed. Avoids padding issues causing bloat of 64bit, and removes the needs for extra pointers in addition to the data (just the data and one pointer now).
103 lines
3.6 KiB
Objective-C
103 lines
3.6 KiB
Objective-C
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import <Foundation/Foundation.h>
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#import "GPBBootstrap.h"
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@class GPBEnumDescriptor;
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@class GPBMessage;
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@class GPBInt32Array;
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// Function used to verify that a given value can be represented by an
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// enum type.
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typedef BOOL (*GPBEnumValidationFunc)(int32_t);
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// Function used to fetch an EnumDescriptor.
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typedef GPBEnumDescriptor *(*GPBEnumDescriptorFunc)(void);
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// Magic values used for when an the at runtime to indicate an enum value
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// that wasn't know at compile time.
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enum {
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kGPBUnrecognizedEnumeratorValue = (int32_t)0xFBADBEEF,
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};
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// A union for storing all possible Protobuf values.
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// Note that owner is responsible for memory management of object types.
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typedef union {
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BOOL valueBool;
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int32_t valueInt32;
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int64_t valueInt64;
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uint32_t valueUInt32;
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uint64_t valueUInt64;
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float valueFloat;
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double valueDouble;
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GPB_UNSAFE_UNRETAINED NSData *valueData;
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GPB_UNSAFE_UNRETAINED NSString *valueString;
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GPB_UNSAFE_UNRETAINED GPBMessage *valueMessage;
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int32_t valueEnum;
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} GPBGenericValue;
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// Do not change the order of this enum (or add things to it) without thinking
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// about it very carefully. There are several things that depend on the order.
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typedef NS_ENUM(uint8_t, GPBDataType) {
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GPBDataTypeBool = 0,
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GPBDataTypeFixed32,
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GPBDataTypeSFixed32,
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GPBDataTypeFloat,
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GPBDataTypeFixed64,
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GPBDataTypeSFixed64,
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GPBDataTypeDouble,
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GPBDataTypeInt32,
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GPBDataTypeInt64,
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GPBDataTypeSInt32,
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GPBDataTypeSInt64,
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GPBDataTypeUInt32,
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GPBDataTypeUInt64,
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GPBDataTypeBytes,
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GPBDataTypeString,
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GPBDataTypeMessage,
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GPBDataTypeGroup,
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GPBDataTypeEnum,
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};
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enum {
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// A count of the number of types in GPBDataType. Separated out from the
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// GPBDataType enum to avoid warnings regarding not handling
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// GPBDataType_Count in switch statements.
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GPBDataType_Count = GPBDataTypeEnum + 1
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};
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// An extension range.
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typedef struct GPBExtensionRange {
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uint32_t start; // inclusive
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uint32_t end; // exclusive
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} GPBExtensionRange;
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