Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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127 lines
4.5 KiB
127 lines
4.5 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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// For int32_t in GPB_ENUM/GPB_ENUM_FWD_DECLARE below. |
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#import <stdint.h> |
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/** |
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* The Objective C runtime has complete enough info that most protos don’t end |
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* up using this, so leaving it on is no cost or very little cost. If you |
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* happen to see it causing bloat, this is the way to disable it. If you do |
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* need to disable it, try only disabling it for Release builds as having |
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* full TextFormat can be useful for debugging. |
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**/ |
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#ifndef GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS |
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#define GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS 0 |
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#endif |
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// Used in the generated code to give sizes to enums. int32_t was chosen based |
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// on the fact that Protocol Buffers enums are limited to this range. |
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#if !__has_feature(objc_fixed_enum) |
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#error All supported Xcode versions should support objc_fixed_enum. |
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#endif |
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// If the headers are imported into Objective-C++, we can run into an issue |
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// where the definition of NS_ENUM (really CF_ENUM) changes based on the C++ |
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// standard that is in effect. If it isn't C++11 or higher, the definition |
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// doesn't allow us to forward declare. We work around this one case by |
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// providing a local definition. The default case has to use NS_ENUM for the |
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// magic that is Swift bridging of enums. |
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#if (defined(__cplusplus) && __cplusplus && __cplusplus < 201103L) |
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#define GPB_ENUM(X) \ |
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enum X : int32_t X; \ |
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enum X : int32_t |
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#else |
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#define GPB_ENUM(X) NS_ENUM(int32_t, X) |
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#endif |
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/** |
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* GPB_ENUM_FWD_DECLARE is used for forward declaring enums, for example: |
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* |
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* ``` |
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* GPB_ENUM_FWD_DECLARE(Foo_Enum) |
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* |
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* @interface BarClass : NSObject |
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* @property (nonatomic) enum Foo_Enum value; |
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* - (void)bazMethod:(enum Foo_Enum)value; |
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* @end |
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* ``` |
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**/ |
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#define GPB_ENUM_FWD_DECLARE(X) enum X : int32_t |
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/** |
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* Based upon CF_INLINE. Forces inlining in non DEBUG builds. |
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**/ |
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#if !defined(DEBUG) |
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#define GPB_INLINE static __inline__ __attribute__((always_inline)) |
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#else |
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#define GPB_INLINE static __inline__ |
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#endif |
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/** |
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* For use in public headers that might need to deal with ARC. |
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**/ |
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#ifndef GPB_UNSAFE_UNRETAINED |
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#if __has_feature(objc_arc) |
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#define GPB_UNSAFE_UNRETAINED __unsafe_unretained |
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#else |
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#define GPB_UNSAFE_UNRETAINED |
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#endif |
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#endif |
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/** |
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* Attribute used for Objective-C proto interface deprecations without messages. |
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**/ |
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#ifndef GPB_DEPRECATED |
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#define GPB_DEPRECATED __attribute__((deprecated)) |
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#endif |
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/** |
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* Attribute used for Objective-C proto interface deprecations with messages. |
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**/ |
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#ifndef GPB_DEPRECATED_MSG |
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#if __has_extension(attribute_deprecated_with_message) |
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#define GPB_DEPRECATED_MSG(msg) __attribute__((deprecated(msg))) |
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#else |
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#define GPB_DEPRECATED_MSG(msg) __attribute__((deprecated)) |
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#endif |
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#endif |
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// If property name starts with init we need to annotate it to get past ARC. |
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// http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227 |
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// |
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// Meant to be used internally by generated code. |
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#define GPB_METHOD_FAMILY_NONE __attribute__((objc_method_family(none))) |
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// Prevent subclassing of generated proto classes. |
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#ifndef GPB_FINAL |
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#define GPB_FINAL __attribute__((objc_subclassing_restricted)) |
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#endif // GPB_FINAL |
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// ---------------------------------------------------------------------------- |
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// These version numbers are all internal to the ObjC Protobuf runtime; they |
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// are used to ensure compatibility between the generated sources and the |
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// headers being compiled against and/or the version of sources being run |
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// against. |
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// |
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// They are all #defines so the values are captured into every .o file they |
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// are used in and to allow comparisons in the preprocessor. |
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// Current library runtime version. |
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// - Gets bumped when the runtime makes changes to the interfaces between the |
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// generated code and runtime (things added/removed, etc). |
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#define GOOGLE_PROTOBUF_OBJC_VERSION 30007 |
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// Minimum runtime version supported for compiling/running against. |
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// - Gets changed when support for the older generated code is dropped. |
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#define GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION 30001 |
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// This is a legacy constant now frozen in time for old generated code. If |
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// GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION ever gets moved above 30001 then |
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// this should also change to break code compiled with an old runtime that |
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// can't be supported any more. |
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#define GOOGLE_PROTOBUF_OBJC_GEN_VERSION 30001
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