[libc++] Disable incomplete library features.

Adds a new CMake option to disable the usage of incomplete headers.
These incomplete headers are not guaranteed to be ABI stable. This
option is intended to be used by vendors so they can avoid their users
from code that's not ready for production usage.

The option is enabled by default.

Differential Revision: https://reviews.llvm.org/D106763

libcxx/CMakeLists.txt

@@ -123,6 +123,11 @@ option(LIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS
    to provide compile-time errors when using features unavailable on some version of
    the shared library they shipped should turn this on and see `include/__availability`
    for more details." OFF)
+option(LIBCXX_ENABLE_INCOMPLETE_FEATURES
+    "Whether to enable support for incomplete library features. Incomplete features
+    are new library features under development. These features don't guarantee
+    ABI stability nor the quality of completed library features. Vendors
+    shipping the library may want to disable this option." ON)
 set(LIBCXX_TEST_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/test/configs/legacy.cfg.in" CACHE STRING
     "The Lit testing configuration to use when running the tests.")
 set(LIBCXX_TEST_PARAMS "" CACHE STRING
@@ -883,6 +888,10 @@ config_define_if_not(LIBCXX_ENABLE_FILESYSTEM _LIBCPP_HAS_NO_FILESYSTEM_LIBRARY)
 config_define_if_not(LIBCXX_ENABLE_RANDOM_DEVICE _LIBCPP_HAS_NO_RANDOM_DEVICE)
 config_define_if_not(LIBCXX_ENABLE_LOCALIZATION _LIBCPP_HAS_NO_LOCALIZATION)
 config_define_if_not(LIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS _LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS)
+# Incomplete features get their own specific disabling flags. This makes it
+# easier to grep for target specific flags once the feature is complete.
+config_define_if_not(LIBCXX_ENABLE_INCOMPLETE_FEATURES _LIBCPP_HAS_NO_INCOMPLETE_FORMAT)
+config_define_if_not(LIBCXX_ENABLE_INCOMPLETE_FEATURES _LIBCPP_HAS_NO_INCOMPLETE_RANGES)
 
 if (LIBCXX_ABI_DEFINES)
   set(abi_defines)

libcxx/cmake/caches/Apple.cmake

@@ -11,6 +11,7 @@ set(LIBCXX_CXX_ABI libcxxabi CACHE STRING "")
 set(LIBCXX_HIDE_FROM_ABI_PER_TU_BY_DEFAULT ON CACHE BOOL "")
 set(LIBCXX_ENABLE_DEBUG_MODE_SUPPORT OFF CACHE BOOL "")
 set(LIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS ON CACHE BOOL "")
+set(LIBCXX_ENABLE_INCOMPLETE_FEATURES OFF CACHE BOOL "")
 
 set(LIBCXX_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "")
 set(LIBCXXABI_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "")

libcxx/docs/BuildingLibcxx.rst

@@ -251,6 +251,15 @@ libc++ specific options
    This option can be used to enable or disable the filesystem components on
    platforms that may not support them. For example on Windows.
 
+.. option:: LIBCXX_ENABLE_INCOMPLETE_FEATURES:BOOL
+
+  **Default**: ``ON``
+
+  Whether to enable support for incomplete library features. Incomplete features
+  are new library features under development. These features don't guarantee
+  ABI stability nor the quality of completed library features. Vendors
+  shipping the library may want to disable this option.
+
 .. option:: LIBCXX_INSTALL_LIBRARY_DIR:PATH
 
   **Default**: ``lib${LIBCXX_LIBDIR_SUFFIX}``

libcxx/include/__config_site.in

@@ -34,6 +34,8 @@
 #cmakedefine _LIBCPP_HAS_PARALLEL_ALGORITHMS
 #cmakedefine _LIBCPP_HAS_NO_RANDOM_DEVICE
 #cmakedefine _LIBCPP_HAS_NO_LOCALIZATION
+#cmakedefine _LIBCPP_HAS_NO_INCOMPLETE_FORMAT
+#cmakedefine _LIBCPP_HAS_NO_INCOMPLETE_RANGES
 
 @_LIBCPP_ABI_DEFINES@
 

libcxx/include/format

@@ -60,6 +60,10 @@ namespace std {
 #include <__format/format_parse_context.h>
 #include <version>
 
+#if defined(_LIBCPP_HAS_NO_INCOMPLETE_FORMAT)
+# error "The Format library is not supported since libc++ has been configured with LIBCXX_ENABLE_INCOMPLETE_FEATURES disabled"
+#endif
+
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
 #endif

libcxx/include/ranges

@@ -183,6 +183,10 @@ namespace std::ranges {
 #include <type_traits>
 #include <version>
 
+#if defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+# error "The Ranges library is not supported since libc++ has been configured with LIBCXX_ENABLE_INCOMPLETE_FEATURES disabled"
+#endif
+
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
 #endif

libcxx/src/CMakeLists.txt

@@ -12,7 +12,6 @@ set(LIBCXX_SOURCES
   condition_variable.cpp
   condition_variable_destructor.cpp
   exception.cpp
-  format.cpp
   functional.cpp
   future.cpp
   hash.cpp
@@ -74,6 +73,12 @@ if (LIBCXX_ENABLE_LOCALIZATION)
     )
 endif()
 
+if(LIBCXX_ENABLE_INCOMPLETE_FEATURES)
+  list(APPEND LIBCXX_SOURCES
+    format.cpp
+  )
+endif()
+
 if(WIN32)
   list(APPEND LIBCXX_SOURCES
     support/win32/locale_win32.cpp

libcxx/test/libcxx/double_include.sh.cpp

@@ -91,7 +91,9 @@
 #    include <filesystem>
 #endif
 #include <float.h>
-#include <format>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_FORMAT
+#    include <format>
+#endif
 #include <forward_list>
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
 #    include <fstream>
@@ -143,7 +145,9 @@
 #endif
 #include <queue>
 #include <random>
-#include <ranges>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
+#    include <ranges>
+#endif
 #include <ratio>
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
 #    include <regex>

libcxx/test/libcxx/inclusions/ranges.inclusions.compile.pass.cpp

@@ -12,6 +12,7 @@
 // clang-format off
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // <ranges>
 

libcxx/test/libcxx/min_max_macros.compile.pass.cpp

@@ -136,8 +136,10 @@ TEST_MACROS();
 #endif
 #include <float.h>
 TEST_MACROS();
-#include <format>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_FORMAT
+#    include <format>
 TEST_MACROS();
+#endif
 #include <forward_list>
 TEST_MACROS();
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
@@ -218,8 +220,10 @@ TEST_MACROS();
 TEST_MACROS();
 #include <random>
 TEST_MACROS();
-#include <ranges>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
+#    include <ranges>
 TEST_MACROS();
+#endif
 #include <ratio>
 TEST_MACROS();
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION

libcxx/test/libcxx/no_assert_include.compile.pass.cpp

@@ -84,7 +84,9 @@
 #    include <filesystem>
 #endif
 #include <float.h>
-#include <format>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_FORMAT
+#    include <format>
+#endif
 #include <forward_list>
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
 #    include <fstream>
@@ -136,7 +138,9 @@
 #endif
 #include <queue>
 #include <random>
-#include <ranges>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
+#    include <ranges>
+#endif
 #include <ratio>
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
 #    include <regex>

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/assign.copy.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // <copyable-box>& operator=(<copyable-box> const&)
 

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/assign.move.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // <copyable-box>& operator=(<copyable-box>&&)
 

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/ctor.default.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // <copyable-box>::<copyable-box>()
 

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/ctor.in_place.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class ...Args>
 // explicit <copyable-box>::<copyable-box>(in_place_t, Args&& ...args);

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/deref.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // T& <copyable-box>::operator*()
 // T const& <copyable-box>::operator*() const

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/has_value.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // bool <copyable-box>::__has_value() const
 

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/no_unique_address.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // This test ensures that <copyable-box> behaves correctly when it holds an empty type.
 

libcxx/test/libcxx/ranges/range.adaptors/range.copy.wrap/properties.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // Test various properties of <copyable-box>
 

libcxx/test/libcxx/ranges/range.nonprop.cache/assign.copy.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // __non_propagating_cache& operator=(__non_propagating_cache const&);
 

libcxx/test/libcxx/ranges/range.nonprop.cache/assign.move.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // __non_propagating_cache& operator=(__non_propagating_cache&&);
 

libcxx/test/libcxx/ranges/range.nonprop.cache/constraints.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class T>
 //  requires is_object_v<T>

libcxx/test/libcxx/ranges/range.nonprop.cache/ctor.copy.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // __non_propagating_cache(__non_propagating_cache const&);
 

libcxx/test/libcxx/ranges/range.nonprop.cache/ctor.default.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // __non_propagating_cache();
 

libcxx/test/libcxx/ranges/range.nonprop.cache/ctor.move.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // __non_propagating_cache(__non_propagating_cache&&);
 

libcxx/test/libcxx/ranges/range.nonprop.cache/deref.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr T const& operator*() const;
 // constexpr T& operator*();

libcxx/test/libcxx/ranges/range.nonprop.cache/has_value.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr bool __has_value() const;
 

libcxx/test/libcxx/ranges/range.utility.helpers/different_from.compile.pass.cpp

@@ -11,6 +11,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 #include <ranges>
 

libcxx/test/libcxx/ranges/range.utility.helpers/has_arrow.compile.pass.cpp

@@ -11,6 +11,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 #include <ranges>
 

libcxx/test/libcxx/ranges/range.utility.helpers/simple_view.compile.pass.cpp

@@ -11,6 +11,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 #include <ranges>
 

libcxx/test/libcxx/ranges/version.compile.pass.cpp

@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
+
 // <ranges>
 
 #include <ranges>

libcxx/test/libcxx/utilities/format/version.compile.pass.cpp

@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: libcpp-has-no-incomplete-format
+
 // <format>
 
 #include <format>

libcxx/test/std/containers/associative/map/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // map
 

libcxx/test/std/containers/associative/multimap/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // multimap
 

libcxx/test/std/containers/associative/multiset/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // multiset
 

libcxx/test/std/containers/associative/set/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // set
 

libcxx/test/std/containers/sequences/array/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // array
 

libcxx/test/std/containers/sequences/deque/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // deque
 

libcxx/test/std/containers/sequences/forwardlist/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // forward_list
 

libcxx/test/std/containers/sequences/list/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // list
 

libcxx/test/std/containers/sequences/vector.bool/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // vector
 

libcxx/test/std/containers/sequences/vector/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // vector
 

libcxx/test/std/containers/unord/unord.map/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unordered_map
 

libcxx/test/std/containers/unord/unord.multimap/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unordered_multimap
 

libcxx/test/std/containers/unord/unord.multiset/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unordered_multiset
 

libcxx/test/std/containers/unord/unord.set/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unordered_multiset
 

libcxx/test/std/containers/views/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // span
 

libcxx/test/std/input.output/filesystems/class.directory_iterator/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 // XFAIL: *
 
 // directory_iterator, recursive_directory_iterator

libcxx/test/std/input.output/filesystems/class.path/range_concept_conformance.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // path
 

libcxx/test/std/iterators/predef.iterators/iterators.common/assign.pass.cpp

@@ -16,7 +16,9 @@
 //     common_iterator& operator=(const common_iterator<I2, S2>& x);
 
 #include <iterator>
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
 #include <ranges>
+#endif
 #include <cassert>
 
 #include "test_macros.h"
@@ -55,6 +57,7 @@ void test() {
     assert(*commonIter2 == 2);
     assert(commonIter1 == commonIter2);
   }
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
   {
     auto iter1 = random_access_iterator<int*>(buffer);
     auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
@@ -81,6 +84,7 @@ void test() {
     assert(std::ranges::next(commonIter1, 6) == commonSent1);
     assert(std::ranges::next(commonIter1, 6) == commonSent2);
   }
+#endif
   {
     auto iter1 = assignable_iterator<int*>(buffer);
     auto iter2 = forward_iterator<int*>(buffer + 1);
@@ -99,13 +103,17 @@ void test() {
     assert(*commonIter2 == 2);
     assert(commonIter1 == commonIter2);
 
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
     assert(std::ranges::next(commonIter1, 6) != commonSent1);
     assert(std::ranges::next(commonIter1, 6) == commonSent2);
+#endif
 
     commonSent1 = commonSent2;
 
+#ifndef _LIBCPP_HAS_NO_INCOMPLETE_RANGES
     assert(std::ranges::next(commonIter1, 6) == commonSent1);
     assert(std::ranges::next(commonIter1, 6) == commonSent2);
+#endif
 
     commonIter1 = commonSent1;
 

libcxx/test/std/language.support/support.limits/support.limits.general/format.version.pass.cpp

@@ -11,6 +11,8 @@
 //
 // clang-format off
 
+// UNSUPPORTED: libcpp-has-no-incomplete-format
+
 // <format>
 
 // Test the feature test macros defined by <format>

libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.pass.cpp

@@ -11,6 +11,8 @@
 //
 // clang-format off
 
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
+
 // <ranges>
 
 // Test the feature test macros defined by <ranges>

libcxx/test/std/ranges/range.access/range.access.begin/begin.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::begin
 

libcxx/test/std/ranges/range.access/range.access.begin/incomplete.compile.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
 // UNSUPPORTED: clang-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unspecified begin;
 

libcxx/test/std/ranges/range.access/range.access.cbegin/incomplete.compile.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
 // UNSUPPORTED: clang-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // ranges::cbegin;
 

libcxx/test/std/ranges/range.access/range.access.cend/incomplete.compile.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
 // UNSUPPORTED: clang-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unspecified begin;
 

libcxx/test/std/ranges/range.access/range.access.end/end.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::end
 

libcxx/test/std/ranges/range.access/range.access.end/incomplete.compile.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
 // UNSUPPORTED: clang-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // unspecified begin;
 

libcxx/test/std/ranges/range.access/range.prim/data.incomplete.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: clang-10
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::data
 

libcxx/test/std/ranges/range.access/range.prim/data.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::data
 

libcxx/test/std/ranges/range.access/range.prim/empty.incomplete.verify.cpp

@@ -10,6 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: clang-10
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::empty
 

libcxx/test/std/ranges/range.access/range.prim/empty.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::empty
 

libcxx/test/std/ranges/range.access/range.prim/size.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::size
 

libcxx/test/std/ranges/range.access/range.prim/ssize.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::ranges::ssize
 

libcxx/test/std/ranges/range.adaptors/range.all/all.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // std::views::all;
 

libcxx/test/std/ranges/range.adaptors/range.all/all_t.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<viewable_range R>
 // using all_t = decltype(views::all(declval<R>()));

libcxx/test/std/ranges/range.adaptors/range.common.view/base.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr V base() const& requires copy_constructible<V>;
 // constexpr V base() &&;

libcxx/test/std/ranges/range.adaptors/range.common.view/begin.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto begin();
 // constexpr auto begin() const requires range<const V>;

libcxx/test/std/ranges/range.adaptors/range.common.view/borrowing.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class T>
 //   inline constexpr bool enable_borrowed_range<common_view<T>> = enable_borrowed_range<T>;

libcxx/test/std/ranges/range.adaptors/range.common.view/ctad.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class R>
 //   common_view(R&&) -> common_view<views::all_t<R>>;

libcxx/test/std/ranges/range.adaptors/range.common.view/ctor.default.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // common_view() requires default_initializable<V> = default;
 

libcxx/test/std/ranges/range.adaptors/range.common.view/ctor.view.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr explicit common_view(V r);
 

libcxx/test/std/ranges/range.adaptors/range.common.view/end.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto end();
 // constexpr auto end() const requires range<const V>;

libcxx/test/std/ranges/range.adaptors/range.common.view/size.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto size() requires sized_range<V>
 // constexpr auto size() const requires sized_range<const V>

libcxx/test/std/ranges/range.adaptors/range.drop/base.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr V base() const& requires copy_constructible<V> { return base_; }
 // constexpr V base() && { return std::move(base_); }

libcxx/test/std/ranges/range.adaptors/range.drop/begin.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto begin()
 //   requires (!(simple-view<V> &&

libcxx/test/std/ranges/range.adaptors/range.drop/ctad.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class R>
 // drop_view(R&&, range_difference_t<R>) -> drop_view<views::all_t<R>>;

libcxx/test/std/ranges/range.adaptors/range.drop/ctor.default.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // drop_view() requires default_initializable<V> = default;
 

libcxx/test/std/ranges/range.adaptors/range.drop/ctor.view.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr drop_view(V base, range_difference_t<V> count);
 

libcxx/test/std/ranges/range.adaptors/range.drop/dangling.cache.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // If we have a copy-propagating cache, when we copy ZeroOnDestroy, we will get a
 // dangling reference to the copied-from object. This test ensures that we do not

libcxx/test/std/ranges/range.adaptors/range.drop/end.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto end()
 //   requires (!simple-view<V>)

libcxx/test/std/ranges/range.adaptors/range.drop/general.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // Some basic examples of how drop_view might be used in the wild. This is a general
 // collection of sample algorithms and functions that try to mock general usage of

libcxx/test/std/ranges/range.adaptors/range.drop/size.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr auto size()
 //   requires sized_range<V>

libcxx/test/std/ranges/range.adaptors/range.empty/empty_view.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<class T>
 // class empty_view;

libcxx/test/std/ranges/range.adaptors/range.ref.view.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // template<range R>
 //  requires is_object_v<R>

libcxx/test/std/ranges/range.adaptors/range.transform/base.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr V base() const& requires copy_constructible<V>
 // constexpr V base() &&

libcxx/test/std/ranges/range.adaptors/range.transform/begin.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr iterator<false> begin();
 // constexpr iterator<true> begin() const

libcxx/test/std/ranges/range.adaptors/range.transform/ctad.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // CTAD tests.
 

libcxx/test/std/ranges/range.adaptors/range.transform/end.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // constexpr sentinel<false> end();
 // constexpr iterator<false> end() requires common_range<V>;

libcxx/test/std/ranges/range.adaptors/range.transform/general.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // Some basic examples of how transform_view might be used in the wild. This is a general
 // collection of sample algorithms and functions that try to mock general usage of

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/arithmetic.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator{++,--,+=,-=}
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/base.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::base
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/compare.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator{<,>,<=,>=}
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/ctor.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::transform_view::<iterator>();
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/deref.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator*
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/iter_move.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator[]
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/plus_minus.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator{+,-}
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/requirements.compile.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // The requirements for transform_view::<iterator>'s members.
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/sentinel.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // class transform_view::<sentinel>;
 

libcxx/test/std/ranges/range.adaptors/range.transform/iterator/subscript.pass.cpp

@@ -9,6 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: gcc-10
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // transform_view::<iterator>::operator[]