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Wrap WebRTC OBJC API types with RTC_OBJC_TYPE.

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This CL introduced 2 new macros that affect the WebRTC OBJC API symbols:

- 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 by changing the value in
  sdk/objc/base/RTCMacros.h  and not on via compiler flag to ensure
  it has a unique value.

- RCT_OBJC_TYPE:
  Macro used internally to reference 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.

Manual changes:
https://webrtc-review.googlesource.com/c/src/+/173781/5..10

The auto-generated changes in PS#5 have been done with:
https://webrtc-review.googlesource.com/c/src/+/174061.

Bug: None
Change-Id: I0d54ca94db764fb3b6cb4365873f79e14cd879b8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173781
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31153}
This commit is contained in:
Mirko Bonadei
2020-05-04 16:14:32 +02:00
committed by Commit Bot
parent ce1320cc4d
commit a81e9c82fc
303 changed files with 2534 additions and 2189 deletions
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24
sdk/objc/base/RTCMacros.h
View File

@ -11,6 +11,30 @@
#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)