| Brian Silverman | 9c614bc | 2016-02-15 20:20:02 -0500 | [diff] [blame^] | 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 | // Most uses of protocol buffers don't need field options, by default the |
| 41 | // static data will be compiled out, define this to 1 to include it. The only |
| 42 | // time you need this is if you are doing introspection of the protocol buffers. |
| 43 | #ifndef GPBOBJC_INCLUDE_FIELD_OPTIONS |
| 44 | #define GPBOBJC_INCLUDE_FIELD_OPTIONS 0 |
| 45 | #endif |
| 46 | |
| 47 | // Used in the generated code to give sizes to enums. int32_t was chosen based |
| 48 | // on the fact that Protocol Buffers enums are limited to this range. |
| 49 | #if !__has_feature(objc_fixed_enum) |
| 50 | #error All supported Xcode versions should support objc_fixed_enum. |
| 51 | #endif |
| 52 | // If the headers are imported into Objective-C++, we can run into an issue |
| 53 | // where the defintion of NS_ENUM (really CF_ENUM) changes based on the C++ |
| 54 | // standard that is in effect. If it isn't C++11 or higher, the definition |
| 55 | // doesn't allow us to forward declare. We work around this one case by |
| 56 | // providing a local definition. The default case has to use NS_ENUM for the |
| 57 | // magic that is Swift bridging of enums. |
| 58 | #if (__cplusplus && __cplusplus < 201103L) |
| 59 | #define GPB_ENUM(X) enum X : int32_t X; enum X : int32_t |
| 60 | #else |
| 61 | #define GPB_ENUM(X) NS_ENUM(int32_t, X) |
| 62 | #endif |
| 63 | // GPB_ENUM_FWD_DECLARE is used for forward declaring enums, ex: |
| 64 | // GPB_ENUM_FWD_DECLARE(Foo_Enum) |
| 65 | // @property (nonatomic) Foo_Enum value; |
| 66 | #define GPB_ENUM_FWD_DECLARE(X) enum X : int32_t |
| 67 | |
| 68 | // Based upon CF_INLINE. Forces inlining in release. |
| 69 | #if !defined(DEBUG) |
| 70 | #define GPB_INLINE static __inline__ __attribute__((always_inline)) |
| 71 | #else |
| 72 | #define GPB_INLINE static __inline__ |
| 73 | #endif |
| 74 | |
| 75 | // For use in public headers that might need to deal with ARC. |
| 76 | #ifndef GPB_UNSAFE_UNRETAINED |
| 77 | #if __has_feature(objc_arc) |
| 78 | #define GPB_UNSAFE_UNRETAINED __unsafe_unretained |
| 79 | #else |
| 80 | #define GPB_UNSAFE_UNRETAINED |
| 81 | #endif |
| 82 | #endif |
| 83 | |
| 84 | // If property name starts with init we need to annotate it to get past ARC. |
| 85 | // http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227 |
| 86 | #define GPB_METHOD_FAMILY_NONE __attribute__((objc_method_family(none))) |
| 87 | |
| 88 | // The protoc-gen-objc version which works with the current version of the |
| 89 | // generated Objective C sources. In general we don't want to change the |
| 90 | // runtime interfaces (or this version) as it means everything has to be |
| 91 | // regenerated. |
| 92 | #define GOOGLE_PROTOBUF_OBJC_GEN_VERSION 30000 |