53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
|
|
* Copyright 2016 The WebRTC Project Authors. All rights reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef SDK_OBJC_BASE_RTCMACROS_H_
|
|
#define SDK_OBJC_BASE_RTCMACROS_H_
|
|
|
|
// Internal macros used to correctly concatenate symbols.
|
|
#define RTC_SYMBOL_CONCAT_HELPER(a, b) a##b
|
|
#define RTC_SYMBOL_CONCAT(a, b) RTC_SYMBOL_CONCAT_HELPER(a, b)
|
|
|
|
// RTC_OBJC_TYPE_PREFIX
|
|
//
|
|
// Macro used to prepend a prefix to the API types that are exported with
|
|
// RTC_OBJC_EXPORT.
|
|
//
|
|
// Clients can patch the definition of this macro locally and build
|
|
// WebRTC.framework with their own prefix in case symbol clashing is a
|
|
// problem.
|
|
//
|
|
// This macro must only be defined here and not on via compiler flag to
|
|
// ensure it has a unique value.
|
|
#define RTC_OBJC_TYPE_PREFIX
|
|
|
|
// RCT_OBJC_TYPE
|
|
//
|
|
// Macro used internally to declare API types. Declaring an API type without
|
|
// using this macro will not include the declared type in the set of types
|
|
// that will be affected by the configurable RTC_OBJC_TYPE_PREFIX.
|
|
#define RTC_OBJC_TYPE(type_name) RTC_SYMBOL_CONCAT(RTC_OBJC_TYPE_PREFIX, type_name)
|
|
|
|
#define RTC_OBJC_EXPORT __attribute__((visibility("default")))
|
|
|
|
#if defined(__cplusplus)
|
|
#define RTC_EXTERN extern "C" RTC_OBJC_EXPORT
|
|
#else
|
|
#define RTC_EXTERN extern RTC_OBJC_EXPORT
|
|
#endif
|
|
|
|
#ifdef __OBJC__
|
|
#define RTC_FWD_DECL_OBJC_CLASS(classname) @class classname
|
|
#else
|
|
#define RTC_FWD_DECL_OBJC_CLASS(classname) typedef struct objc_object classname
|
|
#endif
|
|
|
|
#endif // SDK_OBJC_BASE_RTCMACROS_H_
|