diff options
37 files changed, 694 insertions, 87 deletions
diff --git a/absl/BUILD.bazel b/absl/BUILD.bazel index 8e3c1773..853330d4 100644 --- a/absl/BUILD.bazel +++ b/absl/BUILD.bazel @@ -25,13 +25,18 @@ create_llvm_config( visibility = [":__subpackages__"], ) -# following configs are based on mapping defined in: https://git.io/v5Ijz +config_setting( + name = "osx", + constraint_values = [ + "@bazel_tools//platforms:osx", + ], +) + config_setting( name = "ios", - values = { - "cpu": "darwin", - }, - visibility = [":__subpackages__"], + constraint_values = [ + "@bazel_tools//platforms:ios", + ], ) config_setting( diff --git a/absl/algorithm/CMakeLists.txt b/absl/algorithm/CMakeLists.txt index c51eb10e..9fbe36f6 100644 --- a/absl/algorithm/CMakeLists.txt +++ b/absl/algorithm/CMakeLists.txt @@ -29,6 +29,8 @@ absl_cc_test( algorithm_test SRCS "algorithm_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::algorithm gmock_main @@ -53,6 +55,8 @@ absl_cc_test( container_test SRCS "container_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::algorithm_container absl::base diff --git a/absl/base/CMakeLists.txt b/absl/base/CMakeLists.txt index 5042f156..b9f35bc0 100644 --- a/absl/base/CMakeLists.txt +++ b/absl/base/CMakeLists.txt @@ -26,6 +26,8 @@ absl_cc_library( "internal/spinlock_posix.inc" "internal/spinlock_wait.cc" "internal/spinlock_win32.inc" + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::core_headers ) @@ -221,6 +223,8 @@ absl_cc_test( atomic_hook_test SRCS "internal/atomic_hook_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::core_headers @@ -232,6 +236,8 @@ absl_cc_test( bit_cast_test SRCS "bit_cast_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::core_headers @@ -243,6 +249,8 @@ absl_cc_test( throw_delegate_test SRCS "throw_delegate_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::throw_delegate @@ -257,6 +265,8 @@ absl_cc_test( "inline_variable_test.cc" "inline_variable_test_a.cc" "inline_variable_test_b.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base_internal gtest_main @@ -267,6 +277,8 @@ absl_cc_test( invoke_test SRCS "invoke_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base_internal absl::memory @@ -297,6 +309,8 @@ absl_cc_test( spinlock_test SRCS "spinlock_test_common.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::core_headers @@ -324,6 +338,8 @@ absl_cc_test( endian_test SRCS "internal/endian_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::config @@ -336,6 +352,8 @@ absl_cc_test( config_test SRCS "config_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::config absl::synchronization @@ -347,6 +365,8 @@ absl_cc_test( call_once_test SRCS "call_once_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::core_headers @@ -359,6 +379,8 @@ absl_cc_test( raw_logging_test SRCS "raw_logging_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::strings @@ -370,6 +392,8 @@ absl_cc_test( sysinfo_test SRCS "internal/sysinfo_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::synchronization @@ -381,6 +405,8 @@ absl_cc_test( low_level_alloc_test SRCS "internal/low_level_alloc_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::malloc_internal Threads::Threads @@ -391,6 +417,8 @@ absl_cc_test( thread_identity_test SRCS "internal/thread_identity_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base absl::core_headers @@ -415,6 +443,8 @@ absl_cc_test( bits_test SRCS "internal/bits_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::bits gtest_main @@ -438,6 +468,8 @@ absl_cc_test( scoped_set_env_test SRCS "internal/scoped_set_env_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::scoped_set_env gtest_main @@ -448,6 +480,8 @@ absl_cc_test( cmake_thread_test SRCS "internal/cmake_thread_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::base ) diff --git a/absl/base/internal/raw_logging.cc b/absl/base/internal/raw_logging.cc index b5a05e8c..878fe6c6 100644 --- a/absl/base/internal/raw_logging.cc +++ b/absl/base/internal/raw_logging.cc @@ -36,7 +36,8 @@ // This preprocessor token is also defined in raw_io.cc. If you need to copy // this, consider moving both to config.h instead. #if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ - defined(__Fuchsia__) || defined(__native_client__) + defined(__Fuchsia__) || defined(__native_client__) || \ + defined(__EMSCRIPTEN__) #include <unistd.h> diff --git a/absl/base/internal/sysinfo_test.cc b/absl/base/internal/sysinfo_test.cc index 247f3d88..82bbcc2b 100644 --- a/absl/base/internal/sysinfo_test.cc +++ b/absl/base/internal/sysinfo_test.cc @@ -37,12 +37,12 @@ TEST(SysinfoTest, NumCPUs) { } TEST(SysinfoTest, NominalCPUFrequency) { -#if !(defined(__aarch64__) && defined(__linux__)) +#if !(defined(__aarch64__) && defined(__linux__)) && !defined(__EMSCRIPTEN__) EXPECT_GE(NominalCPUFrequency(), 1000.0) << "NominalCPUFrequency() did not return a reasonable value"; #else - // TODO(absl-team): Aarch64 cannot read the CPU frequency from sysfs, so we - // get back 1.0. Fix once the value is available. + // Aarch64 cannot read the CPU frequency from sysfs, so we get back 1.0. + // Emscripten does not have a sysfs to read from at all. EXPECT_EQ(NominalCPUFrequency(), 1.0) << "CPU frequency detection was fixed! Please update unittest."; #endif diff --git a/absl/base/internal/unscaledcycleclock.h b/absl/base/internal/unscaledcycleclock.h index 58950cc2..2d361e96 100644 --- a/absl/base/internal/unscaledcycleclock.h +++ b/absl/base/internal/unscaledcycleclock.h @@ -59,7 +59,8 @@ // CycleClock that runs at atleast 1 MHz. We've found some Android // ARM64 devices where this is not the case, so we disable it by // default on Android ARM64. -#if defined(__native_client__) || TARGET_OS_IPHONE || \ +#if defined(__native_client__) || \ + (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) || \ (defined(__ANDROID__) && defined(__aarch64__)) #define ABSL_USE_UNSCALED_CYCLECLOCK_DEFAULT 0 #else diff --git a/absl/container/CMakeLists.txt b/absl/container/CMakeLists.txt index 3c44bd0e..9531d7f9 100644 --- a/absl/container/CMakeLists.txt +++ b/absl/container/CMakeLists.txt @@ -27,7 +27,9 @@ absl_cc_library( NAME compressed_tuple HDRS - "internal/compressed_tuple.h" + "internal/compressed_tuple.h" + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::utility PUBLIC @@ -38,6 +40,8 @@ absl_cc_test( compressed_tuple_test SRCS "internal/compressed_tuple_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::compressed_tuple absl::memory @@ -68,6 +72,7 @@ absl_cc_test( SRCS "fixed_array_test.cc" COPTS + ${ABSL_TEST_COPTS} ${ABSL_EXCEPTIONS_FLAG} LINKOPTS ${ABSL_EXCEPTIONS_FLAG_LINKOPTS} @@ -84,6 +89,8 @@ absl_cc_test( fixed_array_test_noexceptions SRCS "fixed_array_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::fixed_array absl::exception_testing @@ -98,6 +105,7 @@ absl_cc_test( SRCS "fixed_array_exception_safety_test.cc" COPTS + ${ABSL_TEST_COPTS} ${ABSL_EXCEPTIONS_FLAG} LINKOPTS ${ABSL_EXCEPTIONS_FLAG_LINKOPTS} @@ -151,6 +159,7 @@ absl_cc_test( SRCS "inlined_vector_test.cc" COPTS + ${ABSL_TEST_COPTS} ${ABSL_EXCEPTIONS_FLAG} LINKOPTS ${ABSL_EXCEPTIONS_FLAG_LINKOPTS} @@ -172,6 +181,8 @@ absl_cc_test( inlined_vector_test_noexceptions SRCS "inlined_vector_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::inlined_vector absl::test_instance_tracker @@ -201,6 +212,8 @@ absl_cc_test( test_instance_tracker_test SRCS "internal/test_instance_tracker_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::test_instance_tracker gmock_main @@ -227,6 +240,8 @@ absl_cc_test( flat_hash_map_test SRCS "flat_hash_map_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::flat_hash_map absl::hash_generator_testing @@ -261,6 +276,7 @@ absl_cc_test( SRCS "flat_hash_set_test.cc" COPTS + ${ABSL_TEST_COPTS} "-DUNORDERED_SET_CXX17" DEPS absl::flat_hash_set @@ -296,6 +312,8 @@ absl_cc_test( node_hash_map_test SRCS "node_hash_map_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash_generator_testing absl::node_hash_map @@ -329,6 +347,7 @@ absl_cc_test( SRCS "node_hash_set_test.cc" COPTS + ${ABSL_TEST_COPTS} "-DUNORDERED_SET_CXX17" DEPS absl::hash_generator_testing @@ -358,6 +377,8 @@ absl_cc_test( container_memory_test SRCS "internal/container_memory_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::container_memory absl::strings @@ -383,6 +404,8 @@ absl_cc_test( hash_function_defaults_test SRCS "internal/hash_function_defaults_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash_function_defaults absl::hash @@ -424,6 +447,8 @@ absl_cc_test( hash_policy_testing_test SRCS "internal/hash_policy_testing_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash_policy_testing gmock_main @@ -446,6 +471,8 @@ absl_cc_test( hash_policy_traits_test SRCS "internal/hash_policy_traits_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash_policy_traits gmock_main @@ -472,6 +499,8 @@ absl_cc_test( hashtablez_sampler_test SRCS "internal/hashtablez_sampler_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hashtablez_sampler absl::have_sse @@ -523,6 +552,8 @@ absl_cc_test( node_hash_policy_test SRCS "internal/node_hash_policy_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash_policy_traits absl::node_hash_policy @@ -587,6 +618,8 @@ absl_cc_test( raw_hash_set_test SRCS "internal/raw_hash_set_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::container_memory absl::hash_function_defaults @@ -604,6 +637,8 @@ absl_cc_test( raw_hash_set_allocator_test SRCS "internal/raw_hash_set_allocator_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::raw_hash_set absl::tracked @@ -632,6 +667,8 @@ absl_cc_test( layout_test SRCS "internal/layout_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::layout absl::base @@ -765,6 +802,8 @@ absl_cc_test( unordered_set_test SRCS "internal/unordered_set_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::unordered_set_constructor_test absl::unordered_set_lookup_test @@ -778,6 +817,8 @@ absl_cc_test( unordered_map_test SRCS "internal/unordered_map_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::unordered_map_constructor_test absl::unordered_map_lookup_test diff --git a/absl/container/inlined_vector.h b/absl/container/inlined_vector.h index 978d5033..34e9aa0a 100644 --- a/absl/container/inlined_vector.h +++ b/absl/container/inlined_vector.h @@ -174,9 +174,9 @@ class InlinedVector { // Creates an inlined vector by moving in the contents of an `other` inlined // vector without performing any allocations. If `other` contains allocated // memory, the newly-created instance will take ownership of that memory - // (leaving `other` itself empty). However, if `other` does not contain any - // allocated memory, the new inlined vector will will perform element-wise - // move construction of `other`s elements. + // (leaving `other` empty). However, if `other` does not contain allocated + // memory (i.e. is inlined), the new inlined vector will perform element-wise + // move construction of `other`'s elements. // // NOTE: since no allocation is performed for the inlined vector in either // case, the `noexcept(...)` specification depends on whether moving the diff --git a/absl/container/internal/raw_hash_set.h b/absl/container/internal/raw_hash_set.h index 9c926812..8ac0dda2 100644 --- a/absl/container/internal/raw_hash_set.h +++ b/absl/container/internal/raw_hash_set.h @@ -1437,15 +1437,15 @@ class raw_hash_set { void initialize_slots() { assert(capacity_); - // Folks with custom allocators often make unwaranted assumptions about the + // Folks with custom allocators often make unwarranted assumptions about the // behavior of their classes vis-a-vis trivial destructability and what // calls they will or wont make. Avoid sampling for people with custom - // allocators to get us out of this mess. This is not a hard guarntee but a - // workaround while we plan the exact guarantee we want to provide. + // allocators to get us out of this mess. This is not a hard guarantee but + // a workaround while we plan the exact guarantee we want to provide. // // People are often sloppy with the exact type of their allocator (sometimes // it has an extra const or is missing the pair, but rebinds made it work - // anyway). To avoid the ambiguitity, we work off SlotAlloc which we have + // anyway). To avoid the ambiguity, we work off SlotAlloc which we have // bound more carefully. if (std::is_same<SlotAlloc, std::allocator<slot_type>>::value && slots_ == nullptr) { diff --git a/absl/container/internal/raw_hash_set_test.cc b/absl/container/internal/raw_hash_set_test.cc index cb845121..ed4ca8c8 100644 --- a/absl/container/internal/raw_hash_set_test.cc +++ b/absl/container/internal/raw_hash_set_test.cc @@ -433,9 +433,10 @@ TEST(Table, Prefetch) { // Do not run in debug mode, when prefetch is not implemented, or when // sanitizers are enabled, or on WebAssembly. -#if defined(NDEBUG) && defined(__GNUC__) && !defined(ADDRESS_SANITIZER) && \ - !defined(MEMORY_SANITIZER) && !defined(THREAD_SANITIZER) && \ - !defined(UNDEFINED_BEHAVIOR_SANITIZER) && !defined(__EMSCRIPTEN__) +#if defined(NDEBUG) && defined(__GNUC__) && defined(__x86_64__) && \ + !defined(ADDRESS_SANITIZER) && !defined(MEMORY_SANITIZER) && \ + !defined(THREAD_SANITIZER) && !defined(UNDEFINED_BEHAVIOR_SANITIZER) && \ + !defined(__EMSCRIPTEN__) const auto now = [] { return absl::base_internal::CycleClock::Now(); }; // Make size enough to not fit in L2 cache (16.7 Mb) @@ -1080,7 +1081,7 @@ ProbeStats CollectProbeStatsOnKeysXoredWithSeed(const std::vector<int64_t>& keys ExpectedStats XorSeedExpectedStats() { constexpr bool kRandomizesInserts = -#if NDEBUG +#ifdef NDEBUG false; #else // NDEBUG true; @@ -1174,7 +1175,7 @@ ProbeStats CollectProbeStatsOnLinearlyTransformedKeys( ExpectedStats LinearTransformExpectedStats() { constexpr bool kRandomizesInserts = -#if NDEBUG +#ifdef NDEBUG false; #else // NDEBUG true; diff --git a/absl/copts/GENERATED_AbseilCopts.cmake b/absl/copts/GENERATED_AbseilCopts.cmake index 5543638c..27e6f5a0 100644 --- a/absl/copts/GENERATED_AbseilCopts.cmake +++ b/absl/copts/GENERATED_AbseilCopts.cmake @@ -37,7 +37,6 @@ list(APPEND ABSL_CLANG_CL_FLAGS "-Wno-shorten-64-to-32" "-Wno-switch-enum" "-Wno-thread-safety-negative" - "-Wno-undef" "-Wno-unknown-warning-option" "-Wno-unreachable-code" "-Wno-unused-macros" @@ -62,6 +61,7 @@ list(APPEND ABSL_CLANG_CL_FLAGS list(APPEND ABSL_CLANG_CL_TEST_FLAGS "-Wno-c99-extensions" + "-Wno-deprecated-declarations" "-Wno-missing-noreturn" "-Wno-missing-prototypes" "-Wno-missing-variable-declarations" @@ -103,6 +103,7 @@ list(APPEND ABSL_GCC_FLAGS list(APPEND ABSL_GCC_TEST_FLAGS "-Wno-conversion-null" + "-Wno-deprecated-declarations" "-Wno-missing-declarations" "-Wno-sign-compare" "-Wno-unused-function" @@ -144,7 +145,6 @@ list(APPEND ABSL_LLVM_FLAGS "-Wno-shorten-64-to-32" "-Wno-switch-enum" "-Wno-thread-safety-negative" - "-Wno-undef" "-Wno-unknown-warning-option" "-Wno-unreachable-code" "-Wno-unused-macros" @@ -164,6 +164,7 @@ list(APPEND ABSL_LLVM_FLAGS list(APPEND ABSL_LLVM_TEST_FLAGS "-Wno-c99-extensions" + "-Wno-deprecated-declarations" "-Wno-missing-noreturn" "-Wno-missing-prototypes" "-Wno-missing-variable-declarations" @@ -211,5 +212,6 @@ list(APPEND ABSL_MSVC_TEST_FLAGS "/wd4018" "/wd4101" "/wd4503" + "/wd4996" "/DNOMINMAX" ) diff --git a/absl/copts/GENERATED_copts.bzl b/absl/copts/GENERATED_copts.bzl index 10caa78a..0feb0f4b 100644 --- a/absl/copts/GENERATED_copts.bzl +++ b/absl/copts/GENERATED_copts.bzl @@ -38,7 +38,6 @@ ABSL_CLANG_CL_FLAGS = [ "-Wno-shorten-64-to-32", "-Wno-switch-enum", "-Wno-thread-safety-negative", - "-Wno-undef", "-Wno-unknown-warning-option", "-Wno-unreachable-code", "-Wno-unused-macros", @@ -63,6 +62,7 @@ ABSL_CLANG_CL_FLAGS = [ ABSL_CLANG_CL_TEST_FLAGS = [ "-Wno-c99-extensions", + "-Wno-deprecated-declarations", "-Wno-missing-noreturn", "-Wno-missing-prototypes", "-Wno-missing-variable-declarations", @@ -104,6 +104,7 @@ ABSL_GCC_FLAGS = [ ABSL_GCC_TEST_FLAGS = [ "-Wno-conversion-null", + "-Wno-deprecated-declarations", "-Wno-missing-declarations", "-Wno-sign-compare", "-Wno-unused-function", @@ -145,7 +146,6 @@ ABSL_LLVM_FLAGS = [ "-Wno-shorten-64-to-32", "-Wno-switch-enum", "-Wno-thread-safety-negative", - "-Wno-undef", "-Wno-unknown-warning-option", "-Wno-unreachable-code", "-Wno-unused-macros", @@ -165,6 +165,7 @@ ABSL_LLVM_FLAGS = [ ABSL_LLVM_TEST_FLAGS = [ "-Wno-c99-extensions", + "-Wno-deprecated-declarations", "-Wno-missing-noreturn", "-Wno-missing-prototypes", "-Wno-missing-variable-declarations", @@ -212,5 +213,6 @@ ABSL_MSVC_TEST_FLAGS = [ "/wd4018", "/wd4101", "/wd4503", + "/wd4996", "/DNOMINMAX", ] diff --git a/absl/copts/copts.py b/absl/copts/copts.py index cdcf61d6..154c0ce6 100644 --- a/absl/copts/copts.py +++ b/absl/copts/copts.py @@ -65,7 +65,6 @@ LLVM_DISABLE_WARNINGS_FLAGS = [ "-Wno-shorten-64-to-32", "-Wno-switch-enum", "-Wno-thread-safety-negative", - "-Wno-undef", "-Wno-unknown-warning-option", "-Wno-unreachable-code", # Causes warnings on include guards @@ -89,6 +88,7 @@ LLVM_DISABLE_WARNINGS_FLAGS = [ LLVM_TEST_DISABLE_WARNINGS_FLAGS = [ "-Wno-c99-extensions", + "-Wno-deprecated-declarations", "-Wno-missing-noreturn", "-Wno-missing-prototypes", "-Wno-missing-variable-declarations", @@ -110,7 +110,9 @@ LLVM_TEST_DISABLE_WARNINGS_FLAGS = [ ] MSVC_STYLE_EXCEPTIONS_FLAGS = [ - "/U_HAS_EXCEPTIONS", "/D_HAS_EXCEPTIONS=1", "/EHsc" + "/U_HAS_EXCEPTIONS", + "/D_HAS_EXCEPTIONS=1", + "/EHsc" ] MSVC_DEFINES = [ @@ -148,6 +150,7 @@ COPT_VARS = { ], "ABSL_GCC_TEST_FLAGS": [ "-Wno-conversion-null", + "-Wno-deprecated-declarations", "-Wno-missing-declarations", "-Wno-sign-compare", "-Wno-unused-function", @@ -183,6 +186,7 @@ COPT_VARS = { "/wd4018", # signed/unsigned mismatch "/wd4101", # unreferenced local variable "/wd4503", # decorated name length exceeded, name was truncated + "/wd4996", # use of deprecated symbol "/DNOMINMAX", # disable the min() and max() macros from <windows.h> ], "ABSL_MSVC_EXCEPTIONS_FLAGS": diff --git a/absl/debugging/CMakeLists.txt b/absl/debugging/CMakeLists.txt index dccd4a56..d813fede 100644 --- a/absl/debugging/CMakeLists.txt +++ b/absl/debugging/CMakeLists.txt @@ -43,6 +43,8 @@ absl_cc_library( "symbolize_win32.inc" COPTS ${ABSL_DEFAULT_COPTS} + LINKOPTS + ${ABSL_DEFAULT_LINKOPTS} DEPS absl::debugging_internal absl::demangle_internal @@ -196,6 +198,8 @@ absl_cc_library( leak_check_disable SRCS "leak_check_disable.cc" + COPTS + ${ABSL_DEFAULT_COPTS} PUBLIC ) @@ -207,6 +211,7 @@ absl_cc_library( SRCS "leak_check.cc" COPTS + ${ABSL_DEFAULT_COPTS} $<$<BOOL:${ABSL_HAVE_LSAN}>:-DLEAK_SANITIZER> TESTONLY ) @@ -219,6 +224,7 @@ absl_cc_library( SRCS "leak_check.cc" COPTS + ${ABSL_DEFAULT_COPTS} "-ULEAK_SANITIZER" TESTONLY ) @@ -229,6 +235,7 @@ absl_cc_test( SRCS "leak_check_test.cc" COPTS + ${ABSL_DEFAULT_COPTS} "$<$<BOOL:${ABSL_HAVE_LSAN}>:-DABSL_EXPECT_LEAK_SANITIZER>" LINKOPTS "${ABSL_LSAN_LINKOPTS}" @@ -244,6 +251,7 @@ absl_cc_test( SRCS "leak_check_test.cc" COPTS + ${ABSL_TEST_COPTS} "-UABSL_EXPECT_LEAK_SANITIZER" DEPS absl::leak_check_api_disabled_for_testing @@ -256,6 +264,8 @@ absl_cc_test( disabled_leak_check_test SRCS "leak_check_fail_test.cc" + COPTS + ${ABSL_TEST_COPTS} LINKOPTS "${ABSL_LSAN_LINKOPTS}" DEPS @@ -298,6 +308,8 @@ absl_cc_test( absl_cc_library( NAME debugging + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::stacktrace absl::leak_check diff --git a/absl/debugging/internal/demangle_test.cc b/absl/debugging/internal/demangle_test.cc index 883b92db..a68ce324 100644 --- a/absl/debugging/internal/demangle_test.cc +++ b/absl/debugging/internal/demangle_test.cc @@ -81,8 +81,9 @@ TEST(Demangle, Clones) { // Tests that verify that Demangle footprint is within some limit. // They are not to be run under sanitizers as the sanitizers increase // stack consumption by about 4x. -#if defined(ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION) && \ - !ADDRESS_SANITIZER && !MEMORY_SANITIZER && !THREAD_SANITIZER +#if defined(ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION) && \ + !defined(ADDRESS_SANITIZER) && !defined(MEMORY_SANITIZER) && \ + !defined(THREAD_SANITIZER) static const char *g_mangled; static char g_demangle_buffer[4096]; diff --git a/absl/debugging/symbolize_win32.inc b/absl/debugging/symbolize_win32.inc index 17ea618a..7ed3bd3a 100644 --- a/absl/debugging/symbolize_win32.inc +++ b/absl/debugging/symbolize_win32.inc @@ -16,7 +16,13 @@ // https://msdn.microsoft.com/en-us/library/windows/desktop/ms680578(v=vs.85).aspx #include <windows.h> + +// MSVC header DbgHelp.h has a warning for an ignored typedef. +#pragma warning(push) +#pragma warning(disable:4091) #include <DbgHelp.h> +#pragma warning(pop) + #pragma comment(lib, "DbgHelp") #include <algorithm> diff --git a/absl/hash/CMakeLists.txt b/absl/hash/CMakeLists.txt index 4cafc133..febc551f 100644 --- a/absl/hash/CMakeLists.txt +++ b/absl/hash/CMakeLists.txt @@ -43,6 +43,8 @@ absl_cc_library( hash_testing HDRS "hash_testing.h" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::spy_hash_state absl::meta @@ -56,7 +58,9 @@ absl_cc_test( NAME hash_test SRCS - "hash_test.cc" + "hash_test.cc" + COPTS + ${ABSL_TEST_COPTS} DEPS absl::hash absl::hash_testing diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h index 9ab98901..18665173 100644 --- a/absl/hash/internal/hash.h +++ b/absl/hash/internal/hash.h @@ -615,7 +615,7 @@ struct HashSelect { public: // Probe each implementation in order. - // disjunction provides short circuting wrt instantiation. + // disjunction provides short circuiting wrt instantiation. template <typename T> using Apply = absl::disjunction< // Probe<UniquelyRepresentedProbe, T>, // diff --git a/absl/memory/memory_test.cc b/absl/memory/memory_test.cc index 8905433c..c47820e5 100644 --- a/absl/memory/memory_test.cc +++ b/absl/memory/memory_test.cc @@ -620,7 +620,7 @@ TEST(AllocatorTraits, FunctionsFull) { } TEST(AllocatorNoThrowTest, DefaultAllocator) { -#if ABSL_ALLOCATOR_NOTHROW +#if defined(ABSL_ALLOCATOR_NOTHROW) && ABSL_ALLOCATOR_NOTHROW EXPECT_TRUE(absl::default_allocator_is_nothrow::value); #else EXPECT_FALSE(absl::default_allocator_is_nothrow::value); @@ -628,7 +628,7 @@ TEST(AllocatorNoThrowTest, DefaultAllocator) { } TEST(AllocatorNoThrowTest, StdAllocator) { -#if ABSL_ALLOCATOR_NOTHROW +#if defined(ABSL_ALLOCATOR_NOTHROW) && ABSL_ALLOCATOR_NOTHROW EXPECT_TRUE(absl::allocator_is_nothrow<std::allocator<int>>::value); #else EXPECT_FALSE(absl::allocator_is_nothrow<std::allocator<int>>::value); diff --git a/absl/meta/CMakeLists.txt b/absl/meta/CMakeLists.txt index f866e54e..672ead2f 100644 --- a/absl/meta/CMakeLists.txt +++ b/absl/meta/CMakeLists.txt @@ -42,6 +42,8 @@ absl_cc_test( absl_cc_library( NAME meta + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::type_traits PUBLIC diff --git a/absl/meta/type_traits.h b/absl/meta/type_traits.h index a8068e31..c08e3754 100644 --- a/absl/meta/type_traits.h +++ b/absl/meta/type_traits.h @@ -43,8 +43,39 @@ namespace absl { +// Defined and documented later on in this file. +template <typename T> +struct is_trivially_move_assignable; + namespace type_traits_internal { +// Silence MSVC warnings about the destructor being defined as deleted. +#if defined(_MSC_VER) && !defined(__GNUC__) +#pragma warning(push) +#pragma warning(disable : 4624) +#endif // defined(_MSC_VER) && !defined(__GNUC__) + +template <class T> +union SingleMemberUnion { + T t; +}; + +// Restore the state of the destructor warning that was silenced above. +#if defined(_MSC_VER) && !defined(__GNUC__) +#pragma warning(pop) +#endif // defined(_MSC_VER) && !defined(__GNUC__) + +template <class T> +struct IsTriviallyMoveAssignableReference : std::false_type {}; + +template <class T> +struct IsTriviallyMoveAssignableReference<T&> + : absl::is_trivially_move_assignable<T>::type {}; + +template <class T> +struct IsTriviallyMoveAssignableReference<T&&> + : absl::is_trivially_move_assignable<T>::type {}; + template <typename... Ts> struct VoidTImpl { using type = void; @@ -275,6 +306,40 @@ struct is_trivially_default_constructible #endif // ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE }; +// is_trivially_move_constructible() +// +// Determines whether the passed type `T` is trivially move constructible. +// +// This metafunction is designed to be a drop-in replacement for the C++11 +// `std::is_trivially_move_constructible()` metafunction for platforms that have +// incomplete C++11 support (such as libstdc++ 4.x). On any platforms that do +// fully support C++11, we check whether this yields the same result as the std +// implementation. +// +// NOTE: `T obj(declval<T>());` needs to be well-formed and not call any +// nontrivial operation. Nontrivially destructible types will cause the +// expression to be nontrivial. +template <typename T> +struct is_trivially_move_constructible + : std::conditional< + std::is_object<T>::value && !std::is_array<T>::value, + std::is_move_constructible< + type_traits_internal::SingleMemberUnion<T>>, + std::is_reference<T>>::type::type { +#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE + private: + static constexpr bool compliant = + std::is_trivially_move_constructible<T>::value == + is_trivially_move_constructible::value; + static_assert(compliant || std::is_trivially_move_constructible<T>::value, + "Not compliant with std::is_trivially_move_constructible; " + "Standard: false, Implementation: true"); + static_assert(compliant || !std::is_trivially_move_constructible<T>::value, + "Not compliant with std::is_trivially_move_constructible; " + "Standard: true, Implementation: false"); +#endif // ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE +}; + // is_trivially_copy_constructible() // // Determines whether the passed type `T` is trivially copy constructible. @@ -290,9 +355,11 @@ struct is_trivially_default_constructible // expression to be nontrivial. template <typename T> struct is_trivially_copy_constructible - : std::integral_constant<bool, __has_trivial_copy(T) && - std::is_copy_constructible<T>::value && - is_trivially_destructible<T>::value> { + : std::conditional< + std::is_object<T>::value && !std::is_array<T>::value, + std::is_copy_constructible< + type_traits_internal::SingleMemberUnion<T>>, + std::is_lvalue_reference<T>>::type::type { #ifdef ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE private: static constexpr bool compliant = @@ -307,6 +374,42 @@ struct is_trivially_copy_constructible #endif // ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE }; +// is_trivially_move_assignable() +// +// Determines whether the passed type `T` is trivially move assignable. +// +// This metafunction is designed to be a drop-in replacement for the C++11 +// `std::is_trivially_move_assignable()` metafunction for platforms that have +// incomplete C++11 support (such as libstdc++ 4.x). On any platforms that do +// fully support C++11, we check whether this yields the same result as the std +// implementation. +// +// NOTE: `is_assignable<T, U>::value` is `true` if the expression +// `declval<T>() = declval<U>()` is well-formed when treated as an unevaluated +// operand. `is_trivially_assignable<T, U>` requires the assignment to call no +// operation that is not trivial. `is_trivially_copy_assignable<T>` is simply +// `is_trivially_assignable<T&, T>`. +template <typename T> +struct is_trivially_move_assignable + : std::conditional< + std::is_object<T>::value && !std::is_array<T>::value, + std::is_move_assignable<type_traits_internal::SingleMemberUnion<T>>, + type_traits_internal::IsTriviallyMoveAssignableReference<T>>::type:: + type { +#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE + private: + static constexpr bool compliant = + std::is_trivially_move_assignable<T>::value == + is_trivially_move_assignable::value; + static_assert(compliant || std::is_trivially_move_assignable<T>::value, + "Not compliant with std::is_trivially_move_assignable; " + "Standard: false, Implementation: true"); + static_assert(compliant || !std::is_trivially_move_assignable<T>::value, + "Not compliant with std::is_trivially_move_assignable; " + "Standard: true, Implementation: false"); +#endif // ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE +}; + // is_trivially_copy_assignable() // // Determines whether the passed type `T` is trivially copy assignable. diff --git a/absl/meta/type_traits_test.cc b/absl/meta/type_traits_test.cc index d3ead6d0..82b1be51 100644 --- a/absl/meta/type_traits_test.cc +++ b/absl/meta/type_traits_test.cc @@ -214,6 +214,29 @@ class DeletedDefaultCtor { int n_; }; +class TrivialMoveCtor { + public: + explicit TrivialMoveCtor(int n) : n_(n) {} + TrivialMoveCtor(TrivialMoveCtor&&) = default; + TrivialMoveCtor& operator=(const TrivialMoveCtor& t) { + n_ = t.n_; + return *this; + } + + private: + int n_; +}; + +class NontrivialMoveCtor { + public: + explicit NontrivialMoveCtor(int n) : n_(n) {} + NontrivialMoveCtor(NontrivialMoveCtor&& t) noexcept : n_(t.n_) {} + NontrivialMoveCtor& operator=(const NontrivialMoveCtor&) = default; + + private: + int n_; +}; + class TrivialCopyCtor { public: explicit TrivialCopyCtor(int n) : n_(n) {} @@ -247,6 +270,29 @@ class DeletedCopyCtor { int n_; }; +class TrivialMoveAssign { + public: + explicit TrivialMoveAssign(int n) : n_(n) {} + TrivialMoveAssign(const TrivialMoveAssign& t) : n_(t.n_) {} + TrivialMoveAssign& operator=(TrivialMoveAssign&&) = default; + ~TrivialMoveAssign() {} // can have nontrivial destructor + private: + int n_; +}; + +class NontrivialMoveAssign { + public: + explicit NontrivialMoveAssign(int n) : n_(n) {} + NontrivialMoveAssign(const NontrivialMoveAssign&) = default; + NontrivialMoveAssign& operator=(NontrivialMoveAssign&& t) noexcept { + n_ = t.n_; + return *this; + } + + private: + int n_; +}; + class TrivialCopyAssign { public: explicit TrivialCopyAssign(int n) : n_(n) {} @@ -484,6 +530,79 @@ TEST(TypeTraitsTest, TestTrivialDefaultCtor) { #endif } +TEST(TypeTraitsTest, TestTrivialMoveCtor) { + // Verify that arithmetic types and pointers have trivial move + // constructors. + EXPECT_TRUE(absl::is_trivially_move_constructible<bool>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<char>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<unsigned char>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<signed char>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<wchar_t>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<int>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<unsigned int>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<int16_t>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<uint16_t>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<int64_t>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<uint64_t>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<float>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<double>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<long double>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<std::string*>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<Trivial*>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<const std::string*>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<const Trivial*>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<std::string**>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<Trivial**>::value); + + // Reference types + EXPECT_TRUE(absl::is_trivially_move_constructible<int&>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<int&&>::value); + + // types with compiler generated move ctors + EXPECT_TRUE(absl::is_trivially_move_constructible<Trivial>::value); + EXPECT_TRUE(absl::is_trivially_move_constructible<TrivialMoveCtor>::value); + + // Verify that types without them (i.e. nontrivial or deleted) are not. + EXPECT_FALSE( + absl::is_trivially_move_constructible<NontrivialCopyCtor>::value); + EXPECT_FALSE(absl::is_trivially_move_constructible<DeletedCopyCtor>::value); + EXPECT_FALSE( + absl::is_trivially_move_constructible<NonCopyableOrMovable>::value); + +#ifdef ABSL_TRIVIALLY_CONSTRUCTIBLE_VERIFY_TRIVIALLY_DESTRUCTIBLE + // type with nontrivial destructor are nontrivial move construbtible + EXPECT_FALSE( + absl::is_trivially_move_constructible<NontrivialDestructor>::value); +#endif + + // types with vtables + EXPECT_FALSE(absl::is_trivially_move_constructible<Base>::value); + + // Verify that simple_pair of such types is trivially move constructible + EXPECT_TRUE( + (absl::is_trivially_move_constructible<simple_pair<int, char*>>::value)); + EXPECT_TRUE(( + absl::is_trivially_move_constructible<simple_pair<int, Trivial>>::value)); + EXPECT_TRUE((absl::is_trivially_move_constructible< + simple_pair<int, TrivialMoveCtor>>::value)); + + // Verify that types without trivial move constructors are + // correctly marked as such. + EXPECT_FALSE(absl::is_trivially_move_constructible<std::string>::value); + EXPECT_FALSE(absl::is_trivially_move_constructible<std::vector<int>>::value); + + // Verify that simple_pairs of types without trivial move constructors + // are not marked as trivial. + EXPECT_FALSE((absl::is_trivially_move_constructible< + simple_pair<int, std::string>>::value)); + EXPECT_FALSE((absl::is_trivially_move_constructible< + simple_pair<std::string, int>>::value)); + + // Verify that arrays are not + using int10 = int[10]; + EXPECT_FALSE(absl::is_trivially_move_constructible<int10>::value); +} + TEST(TypeTraitsTest, TestTrivialCopyCtor) { // Verify that arithmetic types and pointers have trivial copy // constructors. @@ -508,6 +627,10 @@ TEST(TypeTraitsTest, TestTrivialCopyCtor) { EXPECT_TRUE(absl::is_trivially_copy_constructible<std::string**>::value); EXPECT_TRUE(absl::is_trivially_copy_constructible<Trivial**>::value); + // Reference types + EXPECT_TRUE(absl::is_trivially_copy_constructible<int&>::value); + EXPECT_FALSE(absl::is_trivially_copy_constructible<int&&>::value); + // types with compiler generated copy ctors EXPECT_TRUE(absl::is_trivially_copy_constructible<Trivial>::value); EXPECT_TRUE(absl::is_trivially_copy_constructible<TrivialCopyCtor>::value); @@ -555,6 +678,74 @@ TEST(TypeTraitsTest, TestTrivialCopyCtor) { EXPECT_FALSE(absl::is_trivially_copy_constructible<int10>::value); } +TEST(TypeTraitsTest, TestTrivialMoveAssign) { + // Verify that arithmetic types and pointers have trivial move + // assignment operators. + EXPECT_TRUE(absl::is_trivially_move_assignable<bool>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<char>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<unsigned char>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<signed char>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<wchar_t>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<int>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<unsigned int>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<int16_t>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<uint16_t>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<int64_t>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<uint64_t>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<float>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<double>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<long double>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<std::string*>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<Trivial*>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<const std::string*>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<const Trivial*>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<std::string**>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<Trivial**>::value); + + // const qualified types are not assignable + EXPECT_FALSE(absl::is_trivially_move_assignable<const int>::value); + + // types with compiler generated move assignment + EXPECT_TRUE(absl::is_trivially_move_assignable<Trivial>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<TrivialMoveAssign>::value); + + // Verify that types without them (i.e. nontrivial or deleted) are not. + EXPECT_FALSE(absl::is_trivially_move_assignable<NontrivialCopyAssign>::value); + EXPECT_FALSE(absl::is_trivially_move_assignable<DeletedCopyAssign>::value); + EXPECT_FALSE(absl::is_trivially_move_assignable<NonCopyableOrMovable>::value); + + // types with vtables + EXPECT_FALSE(absl::is_trivially_move_assignable<Base>::value); + + // Verify that simple_pair is trivially assignable + EXPECT_TRUE( + (absl::is_trivially_move_assignable<simple_pair<int, char*>>::value)); + EXPECT_TRUE( + (absl::is_trivially_move_assignable<simple_pair<int, Trivial>>::value)); + EXPECT_TRUE((absl::is_trivially_move_assignable< + simple_pair<int, TrivialMoveAssign>>::value)); + + // Verify that types not trivially move assignable are + // correctly marked as such. + EXPECT_FALSE(absl::is_trivially_move_assignable<std::string>::value); + EXPECT_FALSE(absl::is_trivially_move_assignable<std::vector<int>>::value); + + // Verify that simple_pairs of types not trivially move assignable + // are not marked as trivial. + EXPECT_FALSE((absl::is_trivially_move_assignable< + simple_pair<int, std::string>>::value)); + EXPECT_FALSE((absl::is_trivially_move_assignable< + simple_pair<std::string, int>>::value)); + + // Verify that arrays are not trivially move assignable + using int10 = int[10]; + EXPECT_FALSE(absl::is_trivially_move_assignable<int10>::value); + + // Verify that references are handled correctly + EXPECT_TRUE(absl::is_trivially_move_assignable<Trivial&&>::value); + EXPECT_TRUE(absl::is_trivially_move_assignable<Trivial&>::value); +} + TEST(TypeTraitsTest, TestTrivialCopyAssign) { // Verify that arithmetic types and pointers have trivial copy // assignment operators. diff --git a/absl/numeric/CMakeLists.txt b/absl/numeric/CMakeLists.txt index d26141c7..242889f0 100644 --- a/absl/numeric/CMakeLists.txt +++ b/absl/numeric/CMakeLists.txt @@ -52,6 +52,8 @@ absl_cc_test( absl_cc_library( NAME numeric + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::int128 PUBLIC diff --git a/absl/strings/CMakeLists.txt b/absl/strings/CMakeLists.txt index d3393a39..8515ec2b 100644 --- a/absl/strings/CMakeLists.txt +++ b/absl/strings/CMakeLists.txt @@ -501,6 +501,8 @@ absl_cc_library( "internal/pow10_helper.h" SRCS "internal/pow10_helper.cc" + COPTS + ${ABSL_TEST_COPTS} TESTONLY ) diff --git a/absl/strings/escaping.cc b/absl/strings/escaping.cc index bc8307e1..0d336e3f 100644 --- a/absl/strings/escaping.cc +++ b/absl/strings/escaping.cc @@ -1055,10 +1055,10 @@ std::string Utf8SafeCHexEscape(absl::string_view src) { } // ---------------------------------------------------------------------- -// ptrdiff_t Base64Unescape() - base64 decoder -// ptrdiff_t Base64Escape() - base64 encoder -// ptrdiff_t WebSafeBase64Unescape() - Google's variation of base64 decoder -// ptrdiff_t WebSafeBase64Escape() - Google's variation of base64 encoder +// Base64Unescape() - base64 decoder +// Base64Escape() - base64 encoder +// WebSafeBase64Unescape() - Google's variation of base64 decoder +// WebSafeBase64Escape() - Google's variation of base64 encoder // // Check out // http://tools.ietf.org/html/rfc2045 for formal description, but what we @@ -1096,6 +1096,20 @@ void WebSafeBase64Escape(absl::string_view src, std::string* dest) { src.size(), dest, false, kWebSafeBase64Chars); } +std::string Base64Escape(absl::string_view src) { + std::string dest; + Base64EscapeInternal(reinterpret_cast<const unsigned char*>(src.data()), + src.size(), &dest, true, kBase64Chars); + return dest; +} + +std::string WebSafeBase64Escape(absl::string_view src) { + std::string dest; + Base64EscapeInternal(reinterpret_cast<const unsigned char*>(src.data()), + src.size(), &dest, false, kWebSafeBase64Chars); + return dest; +} + std::string HexStringToBytes(absl::string_view from) { std::string result; const auto num = from.size() / 2; diff --git a/absl/strings/escaping.h b/absl/strings/escaping.h index fd9be786..198b9348 100644 --- a/absl/strings/escaping.h +++ b/absl/strings/escaping.h @@ -132,16 +132,18 @@ bool WebSafeBase64Unescape(absl::string_view src, std::string* dest); // Base64Escape() // -// Encodes a `src` string into a `dest` buffer using base64 encoding, with -// padding characters. This function conforms with RFC 4648 section 4 (base64). +// Encodes a `src` string into a base64-encoded string, with padding characters. +// This function conforms with RFC 4648 section 4 (base64). void Base64Escape(absl::string_view src, std::string* dest); +std::string Base64Escape(absl::string_view src); // WebSafeBase64Escape() // -// Encodes a `src` string into a `dest` buffer using '-' instead of '+' and -// '_' instead of '/', and without padding. This function conforms with RFC 4648 -// section 5 (base64url). +// Encodes a `src` string into a base64-like string, using '-' instead of '+' +// and '_' instead of '/', and without padding. This function conforms with RFC +// 4648 section 5 (base64url). void WebSafeBase64Escape(absl::string_view src, std::string* dest); +std::string WebSafeBase64Escape(absl::string_view src); // HexStringToBytes() // diff --git a/absl/strings/escaping_test.cc b/absl/strings/escaping_test.cc index d433b4c5..6a633cdc 100644 --- a/absl/strings/escaping_test.cc +++ b/absl/strings/escaping_test.cc @@ -556,6 +556,7 @@ void TestEscapeAndUnescape() { StringType encoded("this junk should be ignored"); absl::Base64Escape(tc.plaintext, &encoded); EXPECT_EQ(encoded, tc.cyphertext); + EXPECT_EQ(absl::Base64Escape(tc.plaintext), tc.cyphertext); StringType decoded("this junk should be ignored"); EXPECT_TRUE(absl::Base64Unescape(encoded, &decoded)); @@ -574,6 +575,7 @@ void TestEscapeAndUnescape() { encoded = "this junk should be ignored"; absl::WebSafeBase64Escape(tc.plaintext, &encoded); EXPECT_EQ(encoded, websafe); + EXPECT_EQ(absl::WebSafeBase64Escape(tc.plaintext), websafe); // Let's try the std::string version of the decoder decoded = "this junk should be ignored"; @@ -586,6 +588,7 @@ void TestEscapeAndUnescape() { StringType buffer; absl::WebSafeBase64Escape(tc.plaintext, &buffer); EXPECT_EQ(tc.cyphertext, buffer); + EXPECT_EQ(absl::WebSafeBase64Escape(tc.plaintext), tc.cyphertext); } // Verify the behavior when decoding bad data diff --git a/absl/strings/internal/str_format/convert_test.cc b/absl/strings/internal/str_format/convert_test.cc index 99cc0afe..3b4d4b0c 100644 --- a/absl/strings/internal/str_format/convert_test.cc +++ b/absl/strings/internal/str_format/convert_test.cc @@ -1,6 +1,7 @@ #include <errno.h> #include <stdarg.h> #include <stdio.h> +#include <cctype> #include <cmath> #include <string> @@ -32,7 +33,9 @@ std::string LengthModFor(long long) { return "ll"; } // NOLINT std::string LengthModFor(unsigned long long) { return "ll"; } // NOLINT std::string EscCharImpl(int v) { - if (isprint(v)) return std::string(1, static_cast<char>(v)); + if (std::isprint(static_cast<unsigned char>(v))) { + return std::string(1, static_cast<char>(v)); + } char buf[64]; int n = snprintf(buf, sizeof(buf), "\\%#.2x", static_cast<unsigned>(v & 0xff)); @@ -155,7 +158,7 @@ TEST_F(FormatConvertTest, StringPrecision) { } TEST_F(FormatConvertTest, Pointer) { -#if _MSC_VER +#ifdef _MSC_VER // MSVC's printf implementation prints pointers differently. We can't easily // compare our implementation to theirs. return; @@ -390,7 +393,7 @@ TEST_F(FormatConvertTest, Uint128) { } TEST_F(FormatConvertTest, Float) { -#if _MSC_VER +#ifdef _MSC_VER // MSVC has a different rounding policy than us so we can't test our // implementation against the native one there. return; diff --git a/absl/synchronization/CMakeLists.txt b/absl/synchronization/CMakeLists.txt index 9156f5ad..6fdbcb28 100644 --- a/absl/synchronization/CMakeLists.txt +++ b/absl/synchronization/CMakeLists.txt @@ -113,6 +113,8 @@ absl_cc_library( thread_pool HDRS "internal/thread_pool.h" + COPTS + ${ABSL_DEFAULT_COPTS} DEPS absl::synchronization absl::core_headers diff --git a/absl/time/internal/cctz/BUILD.bazel b/absl/time/internal/cctz/BUILD.bazel index 05f56bca..b05c2347 100644 --- a/absl/time/internal/cctz/BUILD.bazel +++ b/absl/time/internal/cctz/BUILD.bazel @@ -16,6 +16,20 @@ package(features = ["-parse_headers"]) licenses(["notice"]) # Apache License +config_setting( + name = "osx", + constraint_values = [ + "@bazel_tools//platforms:osx", + ], +) + +config_setting( + name = "ios", + constraint_values = [ + "@bazel_tools//platforms:ios", + ], +) + ### libraries cc_library( @@ -62,6 +76,15 @@ cc_library( "include/cctz/time_zone.h", "include/cctz/zone_info_source.h", ], + linkopts = select({ + ":osx": [ + "-framework Foundation", + ], + ":ios": [ + "-framework Foundation", + ], + "//conditions:default": [], + }), visibility = ["//visibility:public"], deps = [":civil_time"], ) diff --git a/absl/time/internal/cctz/include/cctz/civil_time_detail.h b/absl/time/internal/cctz/include/cctz/civil_time_detail.h index a5923f13..bb191b3f 100644 --- a/absl/time/internal/cctz/include/cctz/civil_time_detail.h +++ b/absl/time/internal/cctz/include/cctz/civil_time_detail.h @@ -21,7 +21,7 @@ #include <type_traits> // Disable constexpr support unless we are in C++14 mode. -#if __cpp_constexpr >= 201304 || _MSC_VER >= 1910 +#if __cpp_constexpr >= 201304 || (defined(_MSC_VER) && _MSC_VER >= 1910) #define CONSTEXPR_D constexpr // data #define CONSTEXPR_F constexpr // function #define CONSTEXPR_M constexpr // member diff --git a/absl/time/internal/cctz/src/civil_time_test.cc b/absl/time/internal/cctz/src/civil_time_test.cc index e590ee30..dc7e5a1d 100644 --- a/absl/time/internal/cctz/src/civil_time_test.cc +++ b/absl/time/internal/cctz/src/civil_time_test.cc @@ -37,7 +37,7 @@ std::string Format(const T& t) { } // namespace -#if __cpp_constexpr >= 201304 || _MSC_VER >= 1910 +#if __cpp_constexpr >= 201304 || (defined(_MSC_VER) && _MSC_VER >= 1910) // Construction constexpr tests TEST(CivilTime, Normal) { @@ -319,7 +319,7 @@ TEST(CivilTime, YearDay) { constexpr int yd = get_yearday(cd); static_assert(yd == 28, "YearDay"); } -#endif // __cpp_constexpr >= 201304 || _MSC_VER >= 1910 +#endif // __cpp_constexpr >= 201304 || (defined(_MSC_VER) && _MSC_VER >= 1910) // The remaining tests do not use constexpr. diff --git a/absl/time/internal/cctz/src/time_zone_lookup.cc b/absl/time/internal/cctz/src/time_zone_lookup.cc index a27bfc13..3c53dd1a 100644 --- a/absl/time/internal/cctz/src/time_zone_lookup.cc +++ b/absl/time/internal/cctz/src/time_zone_lookup.cc @@ -16,7 +16,7 @@ #if defined(__ANDROID__) #include <sys/system_properties.h> -#if __ANDROID_API__ >= 21 +#if defined(__ANDROID_API__) && __ANDROID_API__ >= 21 #include <dlfcn.h> #endif #endif @@ -37,7 +37,7 @@ namespace absl { namespace time_internal { namespace cctz { -#if defined(__ANDROID__) && __ANDROID_API__ >= 21 +#if defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21 namespace { // Android 'L' removes __system_property_get() from the NDK, however // it is still a hidden symbol in libc so we use dlsym() to access it. diff --git a/absl/time/time_test.cc b/absl/time/time_test.cc index 74148d58..4d791f4d 100644 --- a/absl/time/time_test.cc +++ b/absl/time/time_test.cc @@ -28,7 +28,7 @@ namespace { -#if GTEST_USES_SIMPLE_RE +#if defined(GTEST_USES_SIMPLE_RE) && GTEST_USES_SIMPLE_RE const char kZoneAbbrRE[] = ".*"; // just punt #else const char kZoneAbbrRE[] = "[A-Za-z]{3,4}|[-+][0-9]{2}([0-9]{2})?"; diff --git a/absl/types/any_test.cc b/absl/types/any_test.cc index a6351bf9..87104721 100644 --- a/absl/types/any_test.cc +++ b/absl/types/any_test.cc @@ -154,6 +154,14 @@ TEST(AnyTest, InPlaceConstruction) { EXPECT_EQ(5, v.value); } +TEST(AnyTest, InPlaceConstructionVariableTemplate) { + const CopyOnly copy_only{}; + absl::any o(absl::in_place_type<IntMoveOnlyCopyOnly>, 5, MoveOnly(), + copy_only); + auto& v = absl::any_cast<IntMoveOnlyCopyOnly&>(o); + EXPECT_EQ(5, v.value); +} + TEST(AnyTest, InPlaceConstructionWithCV) { const CopyOnly copy_only{}; absl::any o(absl::in_place_type_t<const volatile IntMoveOnlyCopyOnly>(), 5, @@ -162,12 +170,26 @@ TEST(AnyTest, InPlaceConstructionWithCV) { EXPECT_EQ(5, v.value); } +TEST(AnyTest, InPlaceConstructionWithCVVariableTemplate) { + const CopyOnly copy_only{}; + absl::any o(absl::in_place_type<const volatile IntMoveOnlyCopyOnly>, 5, + MoveOnly(), copy_only); + auto& v = absl::any_cast<IntMoveOnlyCopyOnly&>(o); + EXPECT_EQ(5, v.value); +} + TEST(AnyTest, InPlaceConstructionWithFunction) { absl::any o(absl::in_place_type_t<FunctionType>(), FunctionToEmplace); FunctionType*& construction_result = absl::any_cast<FunctionType*&>(o); EXPECT_EQ(&FunctionToEmplace, construction_result); } +TEST(AnyTest, InPlaceConstructionWithFunctionVariableTemplate) { + absl::any o(absl::in_place_type<FunctionType>, FunctionToEmplace); + auto& construction_result = absl::any_cast<FunctionType*&>(o); + EXPECT_EQ(&FunctionToEmplace, construction_result); +} + TEST(AnyTest, InPlaceConstructionWithArray) { ArrayType ar = {5, 42}; absl::any o(absl::in_place_type_t<ArrayType>(), ar); @@ -175,6 +197,13 @@ TEST(AnyTest, InPlaceConstructionWithArray) { EXPECT_EQ(&ar[0], construction_result); } +TEST(AnyTest, InPlaceConstructionWithArrayVariableTemplate) { + ArrayType ar = {5, 42}; + absl::any o(absl::in_place_type<ArrayType>, ar); + auto& construction_result = absl::any_cast<DecayedArray&>(o); + EXPECT_EQ(&ar[0], construction_result); +} + TEST(AnyTest, InPlaceConstructionIlist) { const CopyOnly copy_only{}; absl::any o(absl::in_place_type_t<ListMoveOnlyCopyOnly>(), {1, 2, 3, 4}, @@ -184,6 +213,15 @@ TEST(AnyTest, InPlaceConstructionIlist) { EXPECT_EQ(expected_values, v.values); } +TEST(AnyTest, InPlaceConstructionIlistVariableTemplate) { + const CopyOnly copy_only{}; + absl::any o(absl::in_place_type<ListMoveOnlyCopyOnly>, {1, 2, 3, 4}, + MoveOnly(), copy_only); + auto& v = absl::any_cast<ListMoveOnlyCopyOnly&>(o); + std::vector<int> expected_values = {1, 2, 3, 4}; + EXPECT_EQ(expected_values, v.values); +} + TEST(AnyTest, InPlaceConstructionIlistWithCV) { const CopyOnly copy_only{}; absl::any o(absl::in_place_type_t<const volatile ListMoveOnlyCopyOnly>(), @@ -193,11 +231,25 @@ TEST(AnyTest, InPlaceConstructionIlistWithCV) { EXPECT_EQ(expected_values, v.values); } +TEST(AnyTest, InPlaceConstructionIlistWithCVVariableTemplate) { + const CopyOnly copy_only{}; + absl::any o(absl::in_place_type<const volatile ListMoveOnlyCopyOnly>, + {1, 2, 3, 4}, MoveOnly(), copy_only); + auto& v = absl::any_cast<ListMoveOnlyCopyOnly&>(o); + std::vector<int> expected_values = {1, 2, 3, 4}; + EXPECT_EQ(expected_values, v.values); +} + TEST(AnyTest, InPlaceNoArgs) { absl::any o(absl::in_place_type_t<int>{}); EXPECT_EQ(0, absl::any_cast<int&>(o)); } +TEST(AnyTest, InPlaceNoArgsVariableTemplate) { + absl::any o(absl::in_place_type<int>); + EXPECT_EQ(0, absl::any_cast<int&>(o)); +} + template <typename Enabler, typename T, typename... Args> struct CanEmplaceAnyImpl : std::false_type {}; @@ -501,7 +553,7 @@ TEST(AnyTest, Copy) { InstanceTracker tracker_raii; { - absl::any o(absl::in_place_type_t<CopyableOnlyInstance>{}, 123); + absl::any o(absl::in_place_type<CopyableOnlyInstance>, 123); CopyableOnlyInstance* f1 = absl::any_cast<CopyableOnlyInstance>(&o); absl::any o2(o); @@ -622,7 +674,7 @@ TEST(AnyTest, ThrowBadAlloc) { } { - absl::any a(absl::in_place_type_t<int>{}); + absl::any a(absl::in_place_type<int>); ABSL_ANY_TEST_EXPECT_BAD_ANY_CAST(absl::any_cast<float&>(a)); ABSL_ANY_TEST_EXPECT_BAD_ANY_CAST(absl::any_cast<const float&>(a)); ABSL_ANY_TEST_EXPECT_BAD_ANY_CAST(absl::any_cast<float&&>(absl::any{})); @@ -665,7 +717,7 @@ TEST(AnyTest, FailedCopy) { } { - absl::any src(absl::in_place_type_t<BadCopyable>{}); + absl::any src(absl::in_place_type<BadCopyable>); ABSL_ANY_TEST_EXPECT_BAD_COPY(absl::any{src}); } @@ -677,21 +729,21 @@ TEST(AnyTest, FailedCopy) { { BadCopyable bad; - absl::any target(absl::in_place_type_t<BadCopyable>{}); + absl::any target(absl::in_place_type<BadCopyable>); ABSL_ANY_TEST_EXPECT_BAD_COPY(target = bad); EXPECT_TRUE(target.has_value()); } { - absl::any src(absl::in_place_type_t<BadCopyable>{}); + absl::any src(absl::in_place_type<BadCopyable>); absl::any target; ABSL_ANY_TEST_EXPECT_BAD_COPY(target = src); EXPECT_FALSE(target.has_value()); } { - absl::any src(absl::in_place_type_t<BadCopyable>{}); - absl::any target(absl::in_place_type_t<BadCopyable>{}); + absl::any src(absl::in_place_type<BadCopyable>); + absl::any target(absl::in_place_type<BadCopyable>); ABSL_ANY_TEST_EXPECT_BAD_COPY(target = src); EXPECT_TRUE(target.has_value()); } @@ -707,7 +759,7 @@ TEST(AnyTest, FailedEmplace) { { BadCopyable bad; - absl::any target(absl::in_place_type_t<int>{}); + absl::any target(absl::in_place_type<int>); ABSL_ANY_TEST_EXPECT_BAD_COPY(target.emplace<BadCopyable>(bad)); #if defined(ABSL_HAVE_STD_ANY) && defined(__GLIBCXX__) // libstdc++ std::any::emplace() implementation (as of 7.2) has a bug: if an diff --git a/absl/types/variant_test.cc b/absl/types/variant_test.cc index ab40ed2a..b9c98118 100644 --- a/absl/types/variant_test.cc +++ b/absl/types/variant_test.cc @@ -384,7 +384,7 @@ struct MoveOnly { TEST(VariantTest, TestMoveConstruct) { using V = variant<MoveOnly<class A>, MoveOnly<class B>, MoveOnly<class C>>; - V v(in_place_index_t<1>{}, 10); + V v(in_place_index<1>, 10); V v2 = absl::move(v); EXPECT_EQ(10, absl::get<1>(v2).value); } @@ -483,6 +483,29 @@ TEST(VariantTest, InPlaceType) { EXPECT_THAT(absl::get<std::vector<int>>(v5), ::testing::ElementsAre(1, 2, 3)); } +TEST(VariantTest, InPlaceTypeVariableTemplate) { + using Var = variant<int, std::string, NonCopyable, std::vector<int>>; + + Var v1(in_place_type<int>, 7); + ASSERT_TRUE(absl::holds_alternative<int>(v1)); + EXPECT_EQ(7, absl::get<int>(v1)); + + Var v2(in_place_type<std::string>, "ABC"); + ASSERT_TRUE(absl::holds_alternative<std::string>(v2)); + EXPECT_EQ("ABC", absl::get<std::string>(v2)); + + Var v3(in_place_type<std::string>, "ABC", 2); + ASSERT_TRUE(absl::holds_alternative<std::string>(v3)); + EXPECT_EQ("AB", absl::get<std::string>(v3)); + + Var v4(in_place_type<NonCopyable>); + ASSERT_TRUE(absl::holds_alternative<NonCopyable>(v4)); + + Var v5(in_place_type<std::vector<int>>, {1, 2, 3}); + ASSERT_TRUE(absl::holds_alternative<std::vector<int>>(v5)); + EXPECT_THAT(absl::get<std::vector<int>>(v5), ::testing::ElementsAre(1, 2, 3)); +} + TEST(VariantTest, InPlaceTypeInitializerList) { using Var = variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; @@ -492,6 +515,15 @@ TEST(VariantTest, InPlaceTypeInitializerList) { EXPECT_EQ(6, absl::get<MoveOnlyWithListConstructor>(v1).value); } +TEST(VariantTest, InPlaceTypeInitializerListVariabletemplate) { + using Var = + variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; + + Var v1(in_place_type<MoveOnlyWithListConstructor>, {1, 2, 3, 4, 5}, 6); + ASSERT_TRUE(absl::holds_alternative<MoveOnlyWithListConstructor>(v1)); + EXPECT_EQ(6, absl::get<MoveOnlyWithListConstructor>(v1).value); +} + TEST(VariantTest, InPlaceIndex) { using Var = variant<int, std::string, NonCopyable, std::vector<int>>; @@ -519,6 +551,33 @@ TEST(VariantTest, InPlaceIndex) { EXPECT_THAT(absl::get<std::vector<int>>(v5), ::testing::ElementsAre(1, 2, 3)); } +TEST(VariantTest, InPlaceIndexVariableTemplate) { + using Var = variant<int, std::string, NonCopyable, std::vector<int>>; + + Var v1(in_place_index<0>, 7); + ASSERT_TRUE(absl::holds_alternative<int>(v1)); + EXPECT_EQ(7, absl::get<int>(v1)); + + Var v2(in_place_index<1>, "ABC"); + ASSERT_TRUE(absl::holds_alternative<std::string>(v2)); + EXPECT_EQ("ABC", absl::get<std::string>(v2)); + + Var v3(in_place_index<1>, "ABC", 2); + ASSERT_TRUE(absl::holds_alternative<std::string>(v3)); + EXPECT_EQ("AB", absl::get<std::string>(v3)); + + Var v4(in_place_index<2>); + EXPECT_TRUE(absl::holds_alternative<NonCopyable>(v4)); + + // Verify that a variant with only non-copyables can still be constructed. + EXPECT_TRUE(absl::holds_alternative<NonCopyable>( + variant<NonCopyable>(in_place_index<0>))); + + Var v5(in_place_index<3>, {1, 2, 3}); + ASSERT_TRUE(absl::holds_alternative<std::vector<int>>(v5)); + EXPECT_THAT(absl::get<std::vector<int>>(v5), ::testing::ElementsAre(1, 2, 3)); +} + TEST(VariantTest, InPlaceIndexInitializerList) { using Var = variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; @@ -528,6 +587,15 @@ TEST(VariantTest, InPlaceIndexInitializerList) { EXPECT_EQ(6, absl::get<MoveOnlyWithListConstructor>(v1).value); } +TEST(VariantTest, InPlaceIndexInitializerListVariableTemplate) { + using Var = + variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; + + Var v1(in_place_index<3>, {1, 2, 3, 4, 5}, 6); + ASSERT_TRUE(absl::holds_alternative<MoveOnlyWithListConstructor>(v1)); + EXPECT_EQ(6, absl::get<MoveOnlyWithListConstructor>(v1).value); +} + //////////////////// // [variant.dtor] // //////////////////// @@ -576,7 +644,7 @@ TEST(VariantTest, TestDtorValuelessByException) { using Variant = VariantFactory<IncrementInDtor>::Type; - Variant v(in_place_index_t<0>(), counter_adjuster); + Variant v(in_place_index<0>, counter_adjuster); EXPECT_EQ(0, counter); ToValuelessByException(v); @@ -810,7 +878,7 @@ TEST(VariantTest, TestBackupAssign) { TEST(VariantTest, TestEmplaceBasic) { using Variant = variant<int, char>; - Variant v(absl::in_place_index_t<0>{}, 0); + Variant v(absl::in_place_index<0>, 0); { char& emplace_result = v.emplace<char>(); @@ -837,7 +905,7 @@ TEST(VariantTest, TestEmplaceInitializerList) { using Var = variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; - Var v1(absl::in_place_index_t<0>{}, 555); + Var v1(absl::in_place_index<0>, 555); MoveOnlyWithListConstructor& emplace_result = v1.emplace<MoveOnlyWithListConstructor>({1, 2, 3, 4, 5}, 6); ASSERT_TRUE(absl::holds_alternative<MoveOnlyWithListConstructor>(v1)); @@ -848,7 +916,7 @@ TEST(VariantTest, TestEmplaceInitializerList) { TEST(VariantTest, TestEmplaceIndex) { using Variant = variant<int, char>; - Variant v(absl::in_place_index_t<0>{}, 555); + Variant v(absl::in_place_index<0>, 555); { char& emplace_result = v.emplace<1>(); @@ -875,7 +943,7 @@ TEST(VariantTest, TestEmplaceIndexInitializerList) { using Var = variant<int, std::string, NonCopyable, MoveOnlyWithListConstructor>; - Var v1(absl::in_place_index_t<0>{}, 555); + Var v1(absl::in_place_index<0>, 555); MoveOnlyWithListConstructor& emplace_result = v1.emplace<3>({1, 2, 3, 4, 5}, 6); ASSERT_TRUE(absl::holds_alternative<MoveOnlyWithListConstructor>(v1)); @@ -924,7 +992,7 @@ TEST(VariantTest, NotValuelessByException) { TEST(VariantTest, IndexValuelessByException) { using Var = variant<MoveCanThrow, std::string, double>; - Var v(absl::in_place_index_t<0>{}); + Var v(absl::in_place_index<0>); EXPECT_EQ(0, v.index()); ToValuelessByException(v); EXPECT_EQ(absl::variant_npos, v.index()); @@ -935,7 +1003,7 @@ TEST(VariantTest, IndexValuelessByException) { TEST(VariantTest, ValuelessByException) { using Var = variant<MoveCanThrow, std::string, double>; - Var v(absl::in_place_index_t<0>{}); + Var v(absl::in_place_index<0>); EXPECT_FALSE(v.valueless_by_exception()); ToValuelessByException(v); EXPECT_TRUE(v.valueless_by_exception()); @@ -966,7 +1034,7 @@ TEST(VariantTest, MemberSwap) { using V = variant<MoveCanThrow, std::string, int>; int i = 33; std::string s = "abc"; - V valueless(in_place_index_t<0>{}); + V valueless(in_place_index<0>); ToValuelessByException(valueless); { // lhs and rhs holds different alternative @@ -1127,7 +1195,7 @@ TEST(VariantTest, GetIndex) { using Var = variant<int, std::string, double, int>; { - Var v(absl::in_place_index_t<0>{}, 0); + Var v(absl::in_place_index<0>, 0); using LValueGetType = decltype(absl::get<0>(v)); using RValueGetType = decltype(absl::get<0>(absl::move(v))); @@ -1187,7 +1255,7 @@ TEST(VariantTest, GetIndex) { } { - Var v(absl::in_place_index_t<0>{}, 0); + Var v(absl::in_place_index<0>, 0); v.emplace<3>(1); using LValueGetType = decltype(absl::get<3>(v)); @@ -1334,7 +1402,7 @@ TEST(VariantTest, GetIfIndex) { using Var = variant<int, std::string, double, int>; { - Var v(absl::in_place_index_t<0>{}, 0); + Var v(absl::in_place_index<0>, 0); EXPECT_TRUE(noexcept(absl::get_if<0>(&v))); { @@ -1492,7 +1560,7 @@ TEST(VariantTest, GetIfIndex) { } { - Var v(absl::in_place_index_t<0>{}, 0); + Var v(absl::in_place_index<0>, 0); v.emplace<3>(1); EXPECT_TRUE(noexcept(absl::get_if<3>(&v))); @@ -1638,8 +1706,8 @@ TEST(VariantTest, OperatorRelational) { TEST(VariantTest, ValuelessOperatorEquals) { variant<MoveCanThrow, std::string> int_v(1), string_v("Hello"), - valueless(absl::in_place_index_t<0>{}), - other_valueless(absl::in_place_index_t<0>{}); + valueless(absl::in_place_index<0>), + other_valueless(absl::in_place_index<0>); ToValuelessByException(valueless); ToValuelessByException(other_valueless); @@ -1660,8 +1728,8 @@ TEST(VariantTest, ValuelessOperatorEquals) { TEST(VariantTest, ValuelessOperatorRelational) { variant<MoveCanThrow, std::string> int_v(1), string_v("Hello"), - valueless(absl::in_place_index_t<0>{}), - other_valueless(absl::in_place_index_t<0>{}); + valueless(absl::in_place_index<0>), + other_valueless(absl::in_place_index<0>); ToValuelessByException(valueless); ToValuelessByException(other_valueless); @@ -2008,8 +2076,8 @@ TEST(VariantTest, Hash) { #if !(defined(_MSC_VER) && defined(ABSL_HAVE_STD_VARIANT)) { // same value as different alternative - variant<int, int> v0(in_place_index_t<0>{}, 42); - variant<int, int> v1(in_place_index_t<1>{}, 42); + variant<int, int> v0(in_place_index<0>, 42); + variant<int, int> v1(in_place_index<1>, 42); std::hash<variant<int, int>> hash; EXPECT_NE(hash(v0), hash(v1)); } @@ -2605,7 +2673,7 @@ TEST(VariantTest, MoveCtorBug) { }; { using V = absl::variant<TrivialCopyNontrivialMove, int>; - V v1(absl::in_place_index_t<0>{}); + V v1(absl::in_place_index<0>); // this should invoke the move ctor, rather than the trivial copy ctor. V v2(std::move(v1)); EXPECT_TRUE(absl::get<0>(v2).called); @@ -2613,7 +2681,7 @@ TEST(VariantTest, MoveCtorBug) { { // this case failed to compile before our fix due to a GCC bug. using V = absl::variant<int, TrivialCopyNontrivialMove>; - V v1(absl::in_place_index_t<1>{}); + V v1(absl::in_place_index<1>); // this should invoke the move ctor, rather than the trivial copy ctor. V v2(std::move(v1)); EXPECT_TRUE(absl::get<1>(v2).called); diff --git a/absl/utility/utility.h b/absl/utility/utility.h index 853c1fb8..7686db12 100644 --- a/absl/utility/utility.h +++ b/absl/utility/utility.h @@ -113,6 +113,20 @@ struct Gen<T, 0> { using type = integer_sequence<T>; }; +template <typename T> +struct InPlaceTypeTag { + explicit InPlaceTypeTag() = delete; + InPlaceTypeTag(const InPlaceTypeTag&) = delete; + InPlaceTypeTag& operator=(const InPlaceTypeTag&) = delete; +}; + +template <size_t I> +struct InPlaceIndexTag { + explicit InPlaceIndexTag() = delete; + InPlaceIndexTag(const InPlaceIndexTag&) = delete; + InPlaceIndexTag& operator=(const InPlaceIndexTag&) = delete; +}; + } // namespace utility_internal // Compile-time sequences of integers @@ -162,6 +176,7 @@ ABSL_INTERNAL_INLINE_CONSTEXPR(in_place_t, in_place, {}); #endif // ABSL_HAVE_STD_OPTIONAL #if defined(ABSL_HAVE_STD_ANY) || defined(ABSL_HAVE_STD_VARIANT) +using std::in_place_type; using std::in_place_type_t; #else @@ -171,10 +186,14 @@ using std::in_place_type_t; // be specified, such as with `absl::any`, designed to be a drop-in replacement // for C++17's `std::in_place_type_t`. template <typename T> -struct in_place_type_t {}; +using in_place_type_t = void (*)(utility_internal::InPlaceTypeTag<T>); + +template <typename T> +void in_place_type(utility_internal::InPlaceTypeTag<T>) {} #endif // ABSL_HAVE_STD_ANY || ABSL_HAVE_STD_VARIANT #ifdef ABSL_HAVE_STD_VARIANT +using std::in_place_index; using std::in_place_index_t; #else @@ -184,7 +203,10 @@ using std::in_place_index_t; // be specified, such as with `absl::any`, designed to be a drop-in replacement // for C++17's `std::in_place_index_t`. template <size_t I> -struct in_place_index_t {}; +using in_place_index_t = void (*)(utility_internal::InPlaceIndexTag<I>); + +template <size_t I> +void in_place_index(utility_internal::InPlaceIndexTag<I>) {} #endif // ABSL_HAVE_STD_VARIANT // Constexpr move and forward |