1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 * The Objective C runtime has complete enough info that most protos don’t end
33 * up using this, so leaving it on is no cost or very little cost. If you
34 * happen to see it causing bloat, this is the way to disable it. If you do
35 * need to disable it, try only disabling it for Release builds as having
36 * full TextFormat can be useful for debugging.
38 #ifndef GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS
39 #define GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS 0
42 // Used in the generated code to give sizes to enums. int32_t was chosen based
43 // on the fact that Protocol Buffers enums are limited to this range.
44 #if !__has_feature(objc_fixed_enum)
45 #error All supported Xcode versions should support objc_fixed_enum.
48 // If the headers are imported into Objective-C++, we can run into an issue
49 // where the defintion of NS_ENUM (really CF_ENUM) changes based on the C++
50 // standard that is in effect. If it isn't C++11 or higher, the definition
51 // doesn't allow us to forward declare. We work around this one case by
52 // providing a local definition. The default case has to use NS_ENUM for the
53 // magic that is Swift bridging of enums.
54 #if (defined(__cplusplus) && __cplusplus && __cplusplus < 201103L)
55 #define GPB_ENUM(X) enum X : int32_t X; enum X : int32_t
57 #define GPB_ENUM(X) NS_ENUM(int32_t, X)
61 * GPB_ENUM_FWD_DECLARE is used for forward declaring enums, for example:
64 * GPB_ENUM_FWD_DECLARE(Foo_Enum)
66 * @interface BarClass : NSObject
67 * @property (nonatomic) enum Foo_Enum value;
68 * - (void)bazMethod:(enum Foo_Enum):value;
72 #define GPB_ENUM_FWD_DECLARE(X) enum X : int32_t
75 * Based upon CF_INLINE. Forces inlining in non DEBUG builds.
78 #define GPB_INLINE static __inline__ __attribute__((always_inline))
80 #define GPB_INLINE static __inline__
84 * For use in public headers that might need to deal with ARC.
86 #ifndef GPB_UNSAFE_UNRETAINED
87 #if __has_feature(objc_arc)
88 #define GPB_UNSAFE_UNRETAINED __unsafe_unretained
90 #define GPB_UNSAFE_UNRETAINED
94 // If property name starts with init we need to annotate it to get past ARC.
95 // http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227
97 // Meant to be used internally by generated code.
98 #define GPB_METHOD_FAMILY_NONE __attribute__((objc_method_family(none)))
100 // ----------------------------------------------------------------------------
101 // These version numbers are all internal to the ObjC Protobuf runtime; they
102 // are used to ensure compatibility between the generated sources and the
103 // headers being compiled against and/or the version of sources being run
106 // They are all #defines so the values are captured into every .o file they
107 // are used in and to allow comparisons in the preprocessor.
109 // Current library runtime version.
110 // - Gets bumped when the runtime makes changes to the interfaces between the
111 // generated code and runtime (things added/removed, etc).
112 #define GOOGLE_PROTOBUF_OBJC_VERSION 30002
114 // Minimum runtime version supported for compiling/running against.
115 // - Gets changed when support for the older generated code is dropped.
116 #define GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION 30001
119 // This is a legacy constant now frozen in time for old generated code. If
120 // GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION ever gets moved above 30001 then
121 // this should also change to break code compiled with an old runtime that
122 // can't be supported any more.
123 #define GOOGLE_PROTOBUF_OBJC_GEN_VERSION 30001