ad2d5c926b
NS_ENUM changes defintion in Objective C++ based on the C++ spec being compiled with, special case the one situation where it wouldn't support doing a forward decl for the enum.
93 lines
4.3 KiB
C
93 lines
4.3 KiB
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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// 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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#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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// Most uses of protocol buffers don't need field options, by default the
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// static data will be compiled out, define this to 1 to include it. The only
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// time you need this is if you are doing introspection of the protocol buffers.
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#ifndef GPBOBJC_INCLUDE_FIELD_OPTIONS
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#define GPBOBJC_INCLUDE_FIELD_OPTIONS 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 (__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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// GPB_ENUM_FWD_DECLARE is used for forward declaring enums, ex:
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// GPB_ENUM_FWD_DECLARE(Foo_Enum)
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// @property (nonatomic) Foo_Enum value;
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#define GPB_ENUM_FWD_DECLARE(X) enum X : int32_t
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// Based upon CF_INLINE. Forces inlining in release.
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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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// For use in public headers that might need to deal with ARC.
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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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// 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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#define GPB_METHOD_FAMILY_NONE __attribute__((objc_method_family(none)))
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// The protoc-gen-objc version which works with the current version of the
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// generated Objective C sources. In general we don't want to change the
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// runtime interfaces (or this version) as it means everything has to be
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// regenerated.
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#define GOOGLE_PROTOBUF_OBJC_GEN_VERSION 30000
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