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1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc.  All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
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
14 // distribution.
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.
18 //
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.
30 
31 // The Objective C runtime has complete enough info that most protos don’t end
32 // up using this, so leaving it on is no cost or very little cost.  If you
33 // happen to see it causing bloat, this is the way to disable it. If you do
34 // need to disable it, try only disabling it for Release builds as having
35 // full TextFormat can be useful for debugging.
36 #ifndef GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS
37 #define GPBOBJC_SKIP_MESSAGE_TEXTFORMAT_EXTRAS 0
38 #endif
39 
40 // Used in the generated code to give sizes to enums. int32_t was chosen based
41 // on the fact that Protocol Buffers enums are limited to this range.
42 #if !__has_feature(objc_fixed_enum)
43  #error All supported Xcode versions should support objc_fixed_enum.
44 #endif
45 // If the headers are imported into Objective-C++, we can run into an issue
46 // where the defintion of NS_ENUM (really CF_ENUM) changes based on the C++
47 // standard that is in effect.  If it isn't C++11 or higher, the definition
48 // doesn't allow us to forward declare. We work around this one case by
49 // providing a local definition. The default case has to use NS_ENUM for the
50 // magic that is Swift bridging of enums.
51 #if (__cplusplus && __cplusplus < 201103L)
52  #define GPB_ENUM(X) enum X : int32_t X; enum X : int32_t
53 #else
54  #define GPB_ENUM(X) NS_ENUM(int32_t, X)
55 #endif
56 // GPB_ENUM_FWD_DECLARE is used for forward declaring enums, ex:
57 //   GPB_ENUM_FWD_DECLARE(Foo_Enum)
58 //   @property (nonatomic) Foo_Enum value;
59 #define GPB_ENUM_FWD_DECLARE(X) enum X : int32_t
60 
61 // Based upon CF_INLINE. Forces inlining in release.
62 #if !defined(DEBUG)
63 #define GPB_INLINE static __inline__ __attribute__((always_inline))
64 #else
65 #define GPB_INLINE static __inline__
66 #endif
67 
68 // For use in public headers that might need to deal with ARC.
69 #ifndef GPB_UNSAFE_UNRETAINED
70 #if __has_feature(objc_arc)
71 #define GPB_UNSAFE_UNRETAINED __unsafe_unretained
72 #else
73 #define GPB_UNSAFE_UNRETAINED
74 #endif
75 #endif
76 
77 // If property name starts with init we need to annotate it to get past ARC.
78 // http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227
79 #define GPB_METHOD_FAMILY_NONE __attribute__((objc_method_family(none)))
80 
81 // The protoc-gen-objc version which works with the current version of the
82 // generated Objective C sources.  In general we don't want to change the
83 // runtime interfaces (or this version) as it means everything has to be
84 // regenerated.
85 #define GOOGLE_PROTOBUF_OBJC_GEN_VERSION 30001
86