[libcxx-commits] [PATCH] D102705: Adds availability macros for std::format.

[Mark de Wever via Phabricator via libcxx-commits]

Mordante updated this revision to Diff 346222.
Mordante added a comment.

Poke CI.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102705/new/

https://reviews.llvm.org/D102705

Files:
  libcxx/include/__availability
  libcxx/include/__format/format_parse_context.h


Index: libcxx/include/__format/format_parse_context.h
===================================================================
--- libcxx/include/__format/format_parse_context.h
+++ libcxx/include/__format/format_parse_context.h
@@ -33,7 +33,7 @@
     !defined(_LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED)
 
 template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS basic_format_parse_context {
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT basic_format_parse_context {
 public:
   using char_type = _CharT;
   using const_iterator = typename basic_string_view<_CharT>::const_iterator;
Index: libcxx/include/__availability
===================================================================
--- libcxx/include/__availability
+++ libcxx/include/__availability
@@ -138,6 +138,12 @@
 // #   define _LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_latch
 // #   define _LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_semaphore
 
+    // This controls the availability of the C++20 format library.
+    // The library is in development and not ABI stable yet. Currently
+    // P2216 is aiming to be retroactively accepted in C++20. This paper
+    // contains ABI breaking changes.
+#   define _LIBCPP_AVAILABILITY_FORMAT
+
 #elif defined(__APPLE__)
 
 #   define _LIBCPP_AVAILABILITY_SHARED_MUTEX                                    \
@@ -223,6 +229,12 @@
 #   define _LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_latch
 #   define _LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_semaphore
 
+    // This controls the availability of the C++20 format library.
+    // The library is in development and not ABI stable yet. Currently
+    // P2216 is aiming to be retroactively accepted in C++20. This paper
+    // contains ABI breaking changes.
+#   define _LIBCPP_AVAILABILITY_FORMAT                                          \
+        __attribute__((unavailable))
 #else
 
 // ...New vendors can add availability markup here...


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