142 lines
5.6 KiB
C
142 lines
5.6 KiB
C
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// 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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/**
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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 defintion 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) enum X : int32_t X; 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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// ----------------------------------------------------------------------------
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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 30002
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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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