Index: vendor/libc++/dist/CMakeLists.txt =================================================================== --- vendor/libc++/dist/CMakeLists.txt (revision 312178) +++ vendor/libc++/dist/CMakeLists.txt (revision 312179) @@ -1,585 +1,585 @@ # See www/CMake.html for instructions on how to build libcxx with CMake. #=============================================================================== # Setup Project #=============================================================================== cmake_minimum_required(VERSION 3.4.3) if(POLICY CMP0042) cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default endif() if(POLICY CMP0022) cmake_policy(SET CMP0022 NEW) # Required when interacting with LLVM and Clang endif() # Add path for custom modules set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules" ${CMAKE_MODULE_PATH} ) if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) project(libcxx CXX C) set(PACKAGE_NAME libcxx) - set(PACKAGE_VERSION 4.0.0svn) + set(PACKAGE_VERSION 4.0.0) set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org") # Find the LLVM sources and simulate LLVM CMake options. include(HandleOutOfTreeLLVM) endif() # Require out of source build. include(MacroEnsureOutOfSourceBuild) MACRO_ENSURE_OUT_OF_SOURCE_BUILD( "${PROJECT_NAME} requires an out of source build. Please create a separate build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there." ) #=============================================================================== # Setup CMake Options #=============================================================================== include(CMakeDependentOption) # Basic options --------------------------------------------------------------- option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON) option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON) option(LIBCXX_ENABLE_STATIC "Build libc++ as a static library." ON) option(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY "Build libc++experimental.a" ON) option(LIBCXX_ENABLE_FILESYSTEM "Build filesystem as part of libc++experimental.a" ${LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY}) option(LIBCXX_INCLUDE_TESTS "Build the libc++ tests." ${LLVM_INCLUDE_TESTS}) # Benchmark options ----------------------------------------------------------- option(LIBCXX_INCLUDE_BENCHMARKS "Build the libc++ benchmarks and their dependancies" ON) set(LIBCXX_BENCHMARK_NATIVE_STDLIB "" CACHE STRING "Build the benchmarks against the specified native STL. The value must be one of libc++/libstdc++") set(LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC toolchain when building the native benchmarks") if (LIBCXX_BENCHMARK_NATIVE_STDLIB) if (NOT (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libc++" OR LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libstdc++")) message(FATAL_ERROR "Invalid value for LIBCXX_BENCHMARK_NATIVE_STDLIB: " "'${LIBCXX_BENCHMARK_NATIVE_STDLIB}'") endif() endif() option(LIBCXX_INCLUDE_DOCS "Build the libc++ documentation." ${LLVM_INCLUDE_DOCS}) set(LIBCXX_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING "Define suffix of library directory name (32/64)") option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON) option(LIBCXX_INSTALL_LIBRARY "Install the libc++ library." ON) option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON) cmake_dependent_option(LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY "Install libc++experimental.a" ON "LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY;LIBCXX_INSTALL_LIBRARY" OFF) set(LIBCXX_ABI_VERSION 1 CACHE STRING "ABI version of libc++.") option(LIBCXX_ABI_UNSTABLE "Unstable ABI of libc++." OFF) option(LIBCXX_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF) if (NOT LIBCXX_ENABLE_SHARED AND NOT LIBCXX_ENABLE_STATIC) message(FATAL_ERROR "libc++ must be built as either a shared or static library.") endif() # ABI Library options --------------------------------------------------------- set(LIBCXX_CXX_ABI "default" CACHE STRING "Specify C++ ABI library to use.") set(CXXABIS none default libcxxabi libcxxrt libstdc++ libsupc++) set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS}) # FIXME: This is a temporary hack to force LLVM buildbots to store # the fixed cache entry instead of the previous cache entry. This is needed # because some LLVM buildbots don't clear their cache. It will be removed # once all LLVM bots have been run. if (LIBCXX_CXX_ABI STREQUAL "") set(LIBCXX_CXX_ABI "default" CACHE STRING "Specify the C++ ABI library to use." FORCE) endif() # Setup the default options if LIBCXX_CXX_ABI is not specified. if (LIBCXX_CXX_ABI STREQUAL "default") find_path( LIBCXX_LIBCXXABI_INCLUDES_INTERNAL cxxabi.h PATHS ${LLVM_MAIN_SRC_DIR}/projects/libcxxabi/include ${LLVM_MAIN_SRC_DIR}/runtimes/libcxxabi/include NO_DEFAULT_PATH ) if (NOT DEFINED LIBCXX_STANDALONE_BUILD AND IS_DIRECTORY "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}") set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}") set(LIBCXX_CXX_ABI_INTREE 1) else() if (WIN32 AND NOT MINGW) # FIXME: Figure out how to configure the ABI library on Windows. set(LIBCXX_CXX_ABI_LIBNAME "none") else() set(LIBCXX_CXX_ABI_LIBNAME "default") endif() endif() else() set(LIBCXX_CXX_ABI_LIBNAME "${LIBCXX_CXX_ABI}") endif() # Use a static copy of the ABI library when linking libc++. This option # cannot be used with LIBCXX_ENABLE_ABI_LINKER_SCRIPT. option(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "Statically link the ABI library" OFF) # Generate and install a linker script inplace of libc++.so. The linker script # will link libc++ to the correct ABI library. This option is on by default # On UNIX platforms other than Apple unless 'LIBCXX_ENABLE_STATIC_ABI_LIBRARY' # is on. This option is also disabled when the ABI library is not specified # or is specified to be "none". set(ENABLE_LINKER_SCRIPT_DEFAULT_VALUE OFF) if (LLVM_HAVE_LINK_VERSION_SCRIPT AND NOT LIBCXX_ENABLE_STATIC_ABI_LIBRARY AND NOT LIBCXX_CXX_ABI_LIBNAME STREQUAL "none" AND NOT LIBCXX_CXX_ABI_LIBNAME STREQUAL "default" AND PYTHONINTERP_FOUND AND LIBCXX_ENABLE_SHARED) set(ENABLE_LINKER_SCRIPT_DEFAULT_VALUE ON) endif() option(LIBCXX_ENABLE_ABI_LINKER_SCRIPT "Use and install a linker script for the given ABI library" ${ENABLE_LINKER_SCRIPT_DEFAULT_VALUE}) # Build libc++abi with libunwind. We need this option to determine whether to # link with libunwind or libgcc_s while running the test cases. option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF) # Target options -------------------------------------------------------------- option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++." ${LLVM_BUILD_32_BITS}) set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.") set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC toolchain.") # Feature options ------------------------------------------------------------- option(LIBCXX_ENABLE_EXCEPTIONS "Use exceptions." ON) option(LIBCXX_ENABLE_RTTI "Use run time type information." ON) option(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE "Build libc++ with support for the global filesystem namespace." ON) option(LIBCXX_ENABLE_STDIN "Build libc++ with support for stdin/std::cin." ON) option(LIBCXX_ENABLE_STDOUT "Build libc++ with support for stdout/std::cout." ON) option(LIBCXX_ENABLE_THREADS "Build libc++ with support for threads." ON) option(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS "Build libc++ with support for thread-unsafe C functions" ON) option(LIBCXX_ENABLE_MONOTONIC_CLOCK "Build libc++ with support for a monotonic clock. This option may only be set to OFF when LIBCXX_ENABLE_THREADS=OFF." ON) option(LIBCXX_HAS_MUSL_LIBC "Build libc++ with support for the Musl C library" OFF) option(LIBCXX_HAS_PTHREAD_API "Ignore auto-detection and force use of pthread API" OFF) option(LIBCXX_HAS_EXTERNAL_THREAD_API "Build libc++ with an externalized threading API. This option may only be set to ON when LIBCXX_ENABLE_THREADS=ON." OFF) option(LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY "Build libc++ with an externalized threading library. This option may only be set to ON when LIBCXX_ENABLE_THREADS=ON" OFF) # Misc options ---------------------------------------------------------------- # FIXME: Turn -pedantic back ON. It is currently off because it warns # about #include_next which is used everywhere. option(LIBCXX_ENABLE_PEDANTIC "Compile with pedantic enabled." OFF) option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) option(LIBCXX_DISABLE_MACRO_CONFLICT_WARNINGS "Disable #warnings about conflicting macros." OFF) option(LIBCXX_GENERATE_COVERAGE "Enable generating code coverage." OFF) set(LIBCXX_COVERAGE_LIBRARY "" CACHE STRING "The Profile-rt library used to build with code coverage") # Don't allow a user to accidentally overwrite the system libc++ installation on Darwin. # If the user specifies -DCMAKE_INSTALL_PREFIX=/usr the install rules for libc++ # will not be generated and a warning will be issued. option(LIBCXX_OVERRIDE_DARWIN_INSTALL "Enable overwriting darwins libc++ installation." OFF) mark_as_advanced(LIBCXX_OVERRIDE_DARWIN_INSTALL) # Don't show this option by default. if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT LIBCXX_OVERRIDE_DARWIN_INSTALL) if ("${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr") message(WARNING "Disabling libc++ install rules because installation would " "overwrite the systems installation. Configure with " "-DLIBCXX_OVERRIDE_DARWIN_INSTALL=ON to suppress this behaviour.") mark_as_advanced(CLEAR LIBCXX_OVERRIDE_DARWIN_INSTALL) # Show the override option. set(LIBCXX_INSTALL_HEADERS OFF) set(LIBCXX_INSTALL_LIBRARY OFF) endif() endif() set(LIBCXX_CONFIGURE_IDE_DEFAULT OFF) if (XCODE OR MSVC_IDE) set(LIBCXX_CONFIGURE_IDE_DEFAULT ON) endif() option(LIBCXX_CONFIGURE_IDE "Configure libcxx for use within an IDE" ${LIBCXX_CONFIGURE_IDE_DEFAULT}) #=============================================================================== # Check option configurations #=============================================================================== if (LIBCXX_ENABLE_FILESYSTEM AND NOT LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY) message(FATAL_ERROR "LIBCXX_ENABLE_FILESYSTEM cannot be turned on when LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF") endif() # Ensure LIBCXX_ENABLE_MONOTONIC_CLOCK is set to ON only when # LIBCXX_ENABLE_THREADS is on. if(LIBCXX_ENABLE_THREADS AND NOT LIBCXX_ENABLE_MONOTONIC_CLOCK) message(FATAL_ERROR "LIBCXX_ENABLE_MONOTONIC_CLOCK can only be set to OFF" " when LIBCXX_ENABLE_THREADS is also set to OFF.") endif() if(NOT LIBCXX_ENABLE_THREADS) if(LIBCXX_HAS_PTHREAD_API) message(FATAL_ERROR "LIBCXX_HAS_PTHREAD_API can only be set to ON" " when LIBCXX_ENABLE_THREADS is also set to ON.") endif() if(LIBCXX_HAS_EXTERNAL_THREAD_API) message(FATAL_ERROR "LIBCXX_HAS_EXTERNAL_THREAD_API can only be set to ON" " when LIBCXX_ENABLE_THREADS is also set to ON.") endif() if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY) message(FATAL_ERROR "LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY can only be set " "to ON when LIBCXX_ENABLE_THREADS is also set to ON.") endif() endif() if (LIBCXX_HAS_EXTERNAL_THREAD_API) if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY) message(FATAL_ERROR "The options LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY and " "LIBCXX_HAS_EXTERNAL_THREAD_API cannot both be ON at " "the same time") endif() if (LIBCXX_HAS_PTHREAD_API) message(FATAL_ERROR "The options LIBCXX_HAS_EXTERNAL_THREAD_API" "and LIBCXX_HAS_PTHREAD_API cannot be both" "set to ON at the same time.") endif() endif() # Ensure LLVM_USE_SANITIZER is not specified when LIBCXX_GENERATE_COVERAGE # is ON. if (LLVM_USE_SANITIZER AND LIBCXX_GENERATE_COVERAGE) message(FATAL_ERROR "LLVM_USE_SANITIZER cannot be used with LIBCXX_GENERATE_COVERAGE") endif() # Set LIBCXX_BUILD_32_BITS to (LIBCXX_BUILD_32_BITS OR LLVM_BUILD_32_BITS) # and check that we can build with 32 bits if requested. if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32) if (LIBCXX_BUILD_32_BITS AND NOT LLVM_BUILD_32_BITS) # Don't duplicate the output from LLVM message(STATUS "Building 32 bits executables and libraries.") endif() elseif(LIBCXX_BUILD_32_BITS) message(FATAL_ERROR "LIBCXX_BUILD_32_BITS=ON is not supported on this platform.") endif() # Check that this option is not enabled on Apple and emit a usage warning. if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY) if (APPLE) message(FATAL_ERROR "LIBCXX_ENABLE_STATIC_ABI_LIBRARY is not supported on OS X") else() message(WARNING "LIBCXX_ENABLE_STATIC_ABI_LIBRARY is an experimental option") endif() if (LIBCXX_ENABLE_STATIC AND NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "LIBCXX_ENABLE_STATIC_ABI_LIBRARY requires python but it was not found.") endif() endif() if (LIBCXX_ENABLE_ABI_LINKER_SCRIPT) if (APPLE) message(FATAL_ERROR "LIBCXX_ENABLE_ABI_LINKER_SCRIPT cannot be used on APPLE targets") endif() if (NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "LIBCXX_ENABLE_ABI_LINKER_SCRIPT requires python but it was not found.") endif() if (NOT LIBCXX_ENABLE_SHARED) message(FATAL_ERROR "LIBCXX_ENABLE_ABI_LINKER_SCRIPT is only available for shared library builds.") endif() endif() if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY AND LIBCXX_ENABLE_ABI_LINKER_SCRIPT) message(FATAL_ERROR "Conflicting options given. LIBCXX_ENABLE_STATIC_ABI_LIBRARY cannot be specified with LIBCXX_ENABLE_ABI_LINKER_SCRIPT") endif() if (LIBCXX_HAS_MUSL_LIBC AND NOT LIBCXX_INSTALL_SUPPORT_HEADERS) message(FATAL_ERROR "LIBCXX_INSTALL_SUPPORT_HEADERS can not be turned off" "when building for Musl with LIBCXX_HAS_MUSL_LIBC.") endif() #=============================================================================== # Configure System #=============================================================================== set(LIBCXX_COMPILER ${CMAKE_CXX_COMPILER}) set(LIBCXX_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(LIBCXX_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX}) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXX_LIBRARY_DIR}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXX_LIBRARY_DIR}) # Declare libc++ configuration variables. # They are intended for use as follows: # LIBCXX_CXX_FLAGS: General flags for both the compiler and linker. # LIBCXX_COMPILE_FLAGS: Compile only flags. # LIBCXX_LINK_FLAGS: Linker only flags. # LIBCXX_LIBRARIES: libraries libc++ is linked to. # LIBCXX_INTERFACE_LIBRARIES: Libraries that must be linked when using libc++ # These libraries are exposed in the linker script. set(LIBCXX_COMPILE_FLAGS "") set(LIBCXX_LINK_FLAGS "") set(LIBCXX_LIBRARIES "") set(LIBCXX_INTERFACE_LIBRARIES "") # Include macros for adding and removing libc++ flags. include(HandleLibcxxFlags) # Target flags ================================================================ # These flags get added to CMAKE_CXX_FLAGS and CMAKE_C_FLAGS so that # 'config-ix' use them during feature checks. It also adds them to both # 'LIBCXX_COMPILE_FLAGS' and 'LIBCXX_LINK_FLAGS' add_target_flags_if(LIBCXX_BUILD_32_BITS "-m32") add_target_flags_if(LIBCXX_TARGET_TRIPLE "-target ${LIBCXX_TARGET_TRIPLE}") add_target_flags_if(LIBCXX_SYSROOT "--sysroot=${LIBCXX_SYSROOT}") add_target_flags_if(LIBCXX_GCC_TOOLCHAIN "-gcc-toolchain ${LIBCXX_GCC_TOOLCHAIN}") if (LIBCXX_TARGET_TRIPLE) set(TARGET_TRIPLE "${LIBCXX_TARGET_TRIPLE}") endif() # Configure compiler. include(config-ix) if (LIBCXX_USE_COMPILER_RT) list(APPEND LIBCXX_LINK_FLAGS "-rtlib=compiler-rt") endif() # Configure coverage options. if (LIBCXX_GENERATE_COVERAGE) include(CodeCoverage) set(CMAKE_BUILD_TYPE "COVERAGE" CACHE STRING "" FORCE) endif() string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) #=============================================================================== # Setup Compiler Flags #=============================================================================== include(HandleLibCXXABI) # Setup the ABI library flags if (NOT LIBCXX_STANDALONE_BUILD) # Remove flags that may have snuck in. remove_flags(-DNDEBUG -UNDEBUG -D_DEBUG -lc++abi -m32) endif() remove_flags(-stdlib=libc++ -stdlib=libstdc++) # FIXME(EricWF): See the FIXME on LIBCXX_ENABLE_PEDANTIC. # Remove the -pedantic flag and -Wno-pedantic and -pedantic-errors # so they don't get transformed into -Wno and -errors respectivly. remove_flags(-Wno-pedantic -pedantic-errors -pedantic) # Required flags ============================================================== set(LIBCXX_STANDARD_VER c++11 CACHE INTERNAL "internal option to change build dialect") if (LIBCXX_HAS_MUSL_LIBC) # musl's pthread implementations uses volatile types in their structs which is # not a constexpr in C++11 but is in C++14, so we use C++14 with musl. set(LIBCXX_STANDARD_VER c++14 CACHE INTERNAL "internal option to change build dialect") endif() add_compile_flags_if_supported(-std=${LIBCXX_STANDARD_VER}) mangle_name("LIBCXX_SUPPORTS_STD_EQ_${LIBCXX_STANDARD_VER}_FLAG" SUPPORTS_DIALECT_NAME) if(NOT ${SUPPORTS_DIALECT_NAME}) if(NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" AND NOT "${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC") message(FATAL_ERROR "C++11 or greater is required but the compiler does not support ${LIBCXX_STANDARD_VER}") endif() endif() # On all systems the system c++ standard library headers need to be excluded. # MSVC only has -X, which disables all default includes; including the crt. # Thus, we do nothing and hope we don't accidentally include any of the C++ # headers add_compile_flags_if_supported(-nostdinc++) # Hide all inline function definitions which have not explicitly been marked # visible. This prevents new definitions for inline functions from appearing in # the dylib when get ODR used by another function. add_compile_flags_if_supported(-fvisibility-inlines-hidden) # Let the library headers know they are currently being used to build the # library. add_definitions(-D_LIBCPP_BUILDING_LIBRARY) # Warning flags =============================================================== add_definitions(-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) add_compile_flags_if_supported( -Wall -Wextra -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type) if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") add_compile_flags_if_supported( -Wno-user-defined-literals -Wno-covered-switch-default) elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") add_compile_flags_if_supported( -Wno-literal-suffix -Wno-c++14-compat) endif() if (LIBCXX_ENABLE_WERROR) add_compile_flags_if_supported(-Werror) add_compile_flags_if_supported(-WX) else() # TODO(EricWF) Remove this. We shouldn't be suppressing errors when -Werror is # added elsewhere. add_compile_flags_if_supported(-Wno-error) endif() if (LIBCXX_ENABLE_PEDANTIC) add_compile_flags_if_supported(-pedantic) endif() if (LIBCXX_DISABLE_MACRO_CONFLICT_WARNINGS) add_definitions(-D_LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS) endif() # Exception flags ============================================================= if (LIBCXX_ENABLE_EXCEPTIONS) # Catches C++ exceptions only and tells the compiler to assume that extern C # functions never throw a C++ exception. add_compile_flags_if_supported(-EHsc) else() add_definitions(-D_LIBCPP_NO_EXCEPTIONS) add_compile_flags_if_supported(-EHs- -EHa-) add_compile_flags_if_supported(-fno-exceptions) endif() # RTTI flags ================================================================== if (NOT LIBCXX_ENABLE_RTTI) add_definitions(-D_LIBCPP_NO_RTTI) add_compile_flags_if_supported(-GR-) add_compile_flags_if_supported(-fno-rtti) endif() # Threading flags ============================================================= if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY AND LIBCXX_ENABLE_SHARED) # Need to allow unresolved symbols if this is to work with shared library builds if (APPLE) add_link_flags("-undefined dynamic_lookup") else() # Relax this restriction from HandleLLVMOptions string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}") endif() endif() # Assertion flags ============================================================= define_if(LIBCXX_ENABLE_ASSERTIONS -UNDEBUG) define_if_not(LIBCXX_ENABLE_ASSERTIONS -DNDEBUG) if (LIBCXX_ENABLE_ASSERTIONS) # MSVC doesn't like _DEBUG on release builds. See PR 4379. define_if_not(MSVC -D_DEBUG) endif() # Modules flags =============================================================== # FIXME The libc++ sources are fundamentally non-modular. They need special # versions of the headers in order to provide C++03 and legacy ABI definitions. # NOTE: The public headers can be used with modules in all other contexts. if (LLVM_ENABLE_MODULES) # Ignore that the rest of the modules flags are now unused. add_compile_flags_if_supported(-Wno-unused-command-line-argument) add_compile_flags(-fno-modules) endif() # Sanitizer flags ============================================================= # Configure for sanitizers. If LIBCXX_STANDALONE_BUILD then we have to do # the flag translation ourselves. Othewise LLVM's CMakeList.txt will handle it. if (LIBCXX_STANDALONE_BUILD) set(LLVM_USE_SANITIZER "" CACHE STRING "Define the sanitizer used to build the library and tests") # NOTE: LLVM_USE_SANITIZER checks for a UNIX like system instead of MSVC. # But we don't have LLVM_ON_UNIX so checking for MSVC is the best we can do. if (LLVM_USE_SANITIZER AND NOT MSVC) add_flags_if_supported("-fno-omit-frame-pointer") add_flags_if_supported("-gline-tables-only") if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO") add_flags_if_supported("-gline-tables-only") endif() if (LLVM_USE_SANITIZER STREQUAL "Address") add_flags("-fsanitize=address") elseif (LLVM_USE_SANITIZER MATCHES "Memory(WithOrigins)?") add_flags(-fsanitize=memory) if (LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins") add_flags("-fsanitize-memory-track-origins") endif() elseif (LLVM_USE_SANITIZER STREQUAL "Undefined") add_flags("-fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all") elseif (LLVM_USE_SANITIZER STREQUAL "Thread") add_flags(-fsanitize=thread) else() message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}") endif() elseif(LLVM_USE_SANITIZER AND MSVC) message(WARNING "LLVM_USE_SANITIZER is not supported on this platform.") endif() endif() # Configuration file flags ===================================================== if (NOT LIBCXX_ABI_VERSION EQUAL "1") config_define(${LIBCXX_ABI_VERSION} _LIBCPP_ABI_VERSION) endif() config_define_if(LIBCXX_ABI_UNSTABLE _LIBCPP_ABI_UNSTABLE) config_define_if_not(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE) config_define_if_not(LIBCXX_ENABLE_STDIN _LIBCPP_HAS_NO_STDIN) config_define_if_not(LIBCXX_ENABLE_STDOUT _LIBCPP_HAS_NO_STDOUT) config_define_if_not(LIBCXX_ENABLE_THREADS _LIBCPP_HAS_NO_THREADS) config_define_if_not(LIBCXX_ENABLE_MONOTONIC_CLOCK _LIBCPP_HAS_NO_MONOTONIC_CLOCK) config_define_if_not(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS) config_define_if(LIBCXX_HAS_PTHREAD_API _LIBCPP_HAS_THREAD_API_PTHREAD) config_define_if(LIBCXX_HAS_EXTERNAL_THREAD_API _LIBCPP_HAS_THREAD_API_EXTERNAL) config_define_if(LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY _LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) config_define_if(LIBCXX_HAS_MUSL_LIBC _LIBCPP_HAS_MUSL_LIBC) # By default libc++ on Windows expects to use a shared library, which requires # the headers to use DLL import/export semantics. However when building a # static library only we modify the headers to disable DLL import/export. if (DEFINED WIN32 AND LIBCXX_ENABLE_STATIC AND NOT LIBCXX_ENABLE_SHARED) message(STATUS "Generating custom __config for non-DLL Windows build") config_define(ON _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) endif() if (LIBCXX_NEEDS_SITE_CONFIG) configure_file("include/__config_site.in" "${LIBCXX_BINARY_DIR}/__config_site" @ONLY) # Provide the config definitions by included the generated __config_site # file at compile time. if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC") add_compile_flags("/FI\"${LIBCXX_BINARY_DIR}/__config_site\"") else() add_compile_flags("-include ${LIBCXX_BINARY_DIR}/__config_site") endif() endif() #=============================================================================== # Setup Source Code And Tests #=============================================================================== include_directories(include) add_subdirectory(include) add_subdirectory(lib) if (LIBCXX_INCLUDE_BENCHMARKS) add_subdirectory(benchmarks) endif() if (LIBCXX_INCLUDE_TESTS) add_subdirectory(test) add_subdirectory(lib/abi) endif() if (LIBCXX_INCLUDE_DOCS) add_subdirectory(docs) endif() Index: vendor/libc++/dist/cmake/Modules/HandleOutOfTreeLLVM.cmake =================================================================== --- vendor/libc++/dist/cmake/Modules/HandleOutOfTreeLLVM.cmake (revision 312178) +++ vendor/libc++/dist/cmake/Modules/HandleOutOfTreeLLVM.cmake (revision 312179) @@ -1,125 +1,136 @@ macro(find_llvm_parts) # Rely on llvm-config. set(CONFIG_OUTPUT) if(NOT LLVM_CONFIG_PATH) find_program(LLVM_CONFIG_PATH "llvm-config") endif() if(DEFINED LLVM_PATH) set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include") set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree") set(LLVM_MAIN_SRC_DIR ${LLVM_PATH}) set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules") elseif(LLVM_CONFIG_PATH) message(STATUS "Found LLVM_CONFIG_PATH as ${LLVM_CONFIG_PATH}") set(LIBCXX_USING_INSTALLED_LLVM 1) set(CONFIG_COMMAND ${LLVM_CONFIG_PATH} "--includedir" "--prefix" "--src-root") execute_process( COMMAND ${CONFIG_COMMAND} RESULT_VARIABLE HAD_ERROR OUTPUT_VARIABLE CONFIG_OUTPUT ) if(NOT HAD_ERROR) string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" CONFIG_OUTPUT ${CONFIG_OUTPUT}) else() string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") message(STATUS "${CONFIG_COMMAND_STR}") message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") endif() list(GET CONFIG_OUTPUT 0 INCLUDE_DIR) list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT) list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR) set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") - set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") + + # --cmakedir is supported since llvm r291218 (4.0 release) + execute_process( + COMMAND ${LLVM_CONFIG_PATH} --cmakedir + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE CONFIG_OUTPUT) + if(NOT HAD_ERROR) + string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH) + else() + set(LLVM_CMAKE_PATH + "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") + endif() else() set(LLVM_FOUND OFF) message(WARNING "UNSUPPORTED LIBCXX CONFIGURATION DETECTED: " "llvm-config not found and LLVM_PATH not defined.\n" "Reconfigure with -DLLVM_CONFIG_PATH=path/to/llvm-config " "or -DLLVM_PATH=path/to/llvm-source-root.") return() endif() if (EXISTS "${LLVM_CMAKE_PATH}") list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") elseif (EXISTS "${LLVM_MAIN_SRC_DIR}/cmake/modules") list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules") else() set(LLVM_FOUND OFF) message(WARNING "Neither ${LLVM_CMAKE_PATH} nor ${LLVM_MAIN_SRC_DIR}/cmake/modules found") return() endif() set(LLVM_FOUND ON) endmacro(find_llvm_parts) macro(configure_out_of_tree_llvm) message(STATUS "Configuring for standalone build.") set(LIBCXX_STANDALONE_BUILD 1) find_llvm_parts() # Add LLVM Functions -------------------------------------------------------- if (LLVM_FOUND AND LIBCXX_USING_INSTALLED_LLVM) include(LLVMConfig) # For TARGET_TRIPLE else() if (WIN32) set(LLVM_ON_UNIX 0) set(LLVM_ON_WIN32 1) else() set(LLVM_ON_UNIX 1) set(LLVM_ON_WIN32 0) endif() endif() if (LLVM_FOUND) include(AddLLVM OPTIONAL) endif() # LLVM Options -------------------------------------------------------------- include(FindPythonInterp) if( NOT PYTHONINTERP_FOUND ) message(WARNING "Failed to find python interpreter. " "The libc++ test suite will be disabled.") set(LLVM_INCLUDE_TESTS OFF) endif() if (NOT DEFINED LLVM_INCLUDE_TESTS) set(LLVM_INCLUDE_TESTS ${LLVM_FOUND}) endif() if (NOT DEFINED LLVM_INCLUDE_DOCS) set(LLVM_INCLUDE_DOCS ${LLVM_FOUND}) endif() if (NOT DEFINED LLVM_ENABLE_SPHINX) set(LLVM_ENABLE_SPHINX OFF) endif() # Required LIT Configuration ------------------------------------------------ # Define the default arguments to use with 'lit', and an option for the user # to override. set(LIT_ARGS_DEFAULT "-sv --show-xfail --show-unsupported") if (MSVC OR XCODE) set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") endif() set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") # Required doc configuration if (LLVM_ENABLE_SPHINX) find_package(Sphinx REQUIRED) endif() if (LLVM_ON_UNIX AND NOT APPLE) set(LLVM_HAVE_LINK_VERSION_SCRIPT 1) else() set(LLVM_HAVE_LINK_VERSION_SCRIPT 0) endif() endmacro(configure_out_of_tree_llvm) configure_out_of_tree_llvm() Index: vendor/libc++/dist/include/__config =================================================================== --- vendor/libc++/dist/include/__config (revision 312178) +++ vendor/libc++/dist/include/__config (revision 312179) @@ -1,1002 +1,1011 @@ // -*- C++ -*- //===--------------------------- __config ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_CONFIG #define _LIBCPP_CONFIG #if defined(_MSC_VER) && !defined(__clang__) #define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #endif #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #pragma GCC system_header #endif #ifdef __cplusplus #ifdef __GNUC__ #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) #else #define _GNUC_VER 0 #endif #define _LIBCPP_VERSION 4000 #ifndef _LIBCPP_ABI_VERSION #define _LIBCPP_ABI_VERSION 1 #endif #if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 // Change short string representation so that string data starts at offset 0, // improving its alignment in some cases. #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT // Fix deque iterator type in order to support incomplete types. #define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE // Fix undefined behavior in how std::list stores it's linked nodes. #define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __tree stores its end and parent nodes. #define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __hash_table stores it's pointer types #define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB #define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB #define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE #define _LIBCPP_ABI_VARIADIC_LOCK_GUARD // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr // provided under the alternate keyword __nullptr, which changes the mangling // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. #define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR // Define the `pointer_safety` enum as a C++11 strongly typed enumeration // instead of as a class simulating an enum. If this option is enabled // `pointer_safety` and `get_pointer_safety()` will no longer be available // in C++03. #define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE #elif _LIBCPP_ABI_VERSION == 1 #if !defined(_WIN32) // Enable compiling a definition of error_category() into the libc++ dylib. #define _LIBCPP_DEPRECATED_ABI_EXTERNAL_ERROR_CATEGORY_CONSTRUCTOR #endif // Feature macros for disabling pre ABI v1 features. All of these options // are deprecated. #if defined(__FreeBSD__) #define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR #endif #endif #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead #endif #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) #if __cplusplus < 201103L #define _LIBCPP_CXX03_LANG #endif #ifndef __has_attribute #define __has_attribute(__x) 0 #endif #ifndef __has_builtin #define __has_builtin(__x) 0 #endif #ifndef __has_extension #define __has_extension(__x) 0 #endif #ifndef __has_feature #define __has_feature(__x) 0 #endif // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by // the compiler and '1' otherwise. #ifndef __is_identifier #define __is_identifier(__x) 1 #endif #if defined(__clang__) #define _LIBCPP_COMPILER_CLANG #elif defined(__GNUC__) #define _LIBCPP_COMPILER_GCC #elif defined(_MSC_VER) #define _LIBCPP_COMPILER_MSVC #elif defined(__IBMCPP__) #define _LIBCPP_COMPILER_IBM #endif // FIXME: ABI detection should be done via compiler builtin macros. This // is just a placeholder until Clang implements such macros. For now assume // that Windows compilers pretending to be MSVC++ target the microsoft ABI. #if defined(_WIN32) && defined(_MSC_VER) # define _LIBCPP_ABI_MICROSOFT #else # define _LIBCPP_ABI_ITANIUM #endif // Need to detect which libc we're using if we're on Linux. #if defined(__linux__) #include #if !defined(__GLIBC_PREREQ) #define __GLIBC_PREREQ(a, b) 0 #endif // !defined(__GLIBC_PREREQ) #endif // defined(__linux__) #ifdef __LITTLE_ENDIAN__ #if __LITTLE_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 1 #define _LIBCPP_BIG_ENDIAN 0 #endif // __LITTLE_ENDIAN__ #endif // __LITTLE_ENDIAN__ #ifdef __BIG_ENDIAN__ #if __BIG_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 0 #define _LIBCPP_BIG_ENDIAN 1 #endif // __BIG_ENDIAN__ #endif // __BIG_ENDIAN__ #ifdef __BYTE_ORDER__ #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 1 #define _LIBCPP_BIG_ENDIAN 0 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 0 #define _LIBCPP_BIG_ENDIAN 1 #endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #endif // __BYTE_ORDER__ #ifdef __FreeBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif // _BYTE_ORDER == _LITTLE_ENDIAN # ifndef __LONG_LONG_SUPPORTED # define _LIBCPP_HAS_NO_LONG_LONG # endif // __LONG_LONG_SUPPORTED #endif // __FreeBSD__ #ifdef __NetBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_HAS_QUICK_EXIT #endif // __NetBSD__ #if defined(_WIN32) # define _LIBCPP_WIN32API 1 # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # define _LIBCPP_SHORT_WCHAR 1 // If mingw not explicitly detected, assume using MS C runtime only. # ifndef __MINGW32__ # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library # endif # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) # define _LIBCPP_HAS_BITSCAN64 # endif #endif // defined(_WIN32) #ifdef __sun__ # include # ifdef _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif #endif // __sun__ #if defined(__CloudABI__) // Certain architectures provide arc4random(). Prefer using // arc4random() over /dev/{u,}random to make it possible to obtain // random data even when using sandboxing mechanisms such as chroots, // Capsicum, etc. # define _LIBCPP_USING_ARC4_RANDOM #elif defined(__native_client__) // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, // including accesses to the special files under /dev. C++11's // std::random_device is instead exposed through a NaCl syscall. # define _LIBCPP_USING_NACL_RANDOM #elif defined(_LIBCPP_WIN32API) # define _LIBCPP_USING_WIN32_RANDOM #else # define _LIBCPP_USING_DEV_RANDOM #endif #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # elif __BYTE_ORDER == __BIG_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # else // __BYTE_ORDER == __BIG_ENDIAN # error unable to determine endian # endif #endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) #if __has_attribute(__no_sanitize__) #define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) #else #define _LIBCPP_NO_CFI #endif #if defined(_LIBCPP_COMPILER_CLANG) // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ !defined(__arm__)) || \ defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT #endif #if __has_feature(cxx_alignas) # define _ALIGNAS_TYPE(x) alignas(x) # define _ALIGNAS(x) alignas(x) #else # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) # define _ALIGNAS(x) __attribute__((__aligned__(x))) #endif #if __cplusplus < 201103L typedef __char16_t char16_t; typedef __char32_t char32_t; #endif #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) #define _LIBCPP_NO_EXCEPTIONS #endif #if !(__has_feature(cxx_rtti)) #define _LIBCPP_NO_RTTI #endif #if !(__has_feature(cxx_strong_enums)) #define _LIBCPP_HAS_NO_STRONG_ENUMS #endif #if !(__has_feature(cxx_decltype)) #define _LIBCPP_HAS_NO_DECLTYPE #endif #if __has_feature(cxx_attributes) # define _LIBCPP_NORETURN [[noreturn]] #else # define _LIBCPP_NORETURN __attribute__ ((noreturn)) #endif #if !(__has_feature(cxx_lambdas)) #define _LIBCPP_HAS_NO_LAMBDAS #endif #if !(__has_feature(cxx_nullptr)) # if __has_extension(cxx_nullptr) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) # define nullptr __nullptr # else # define _LIBCPP_HAS_NO_NULLPTR # endif #endif #if !(__has_feature(cxx_rvalue_references)) #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if !(__has_feature(cxx_auto_type)) #define _LIBCPP_HAS_NO_AUTO_TYPE #endif #if !(__has_feature(cxx_variadic_templates)) #define _LIBCPP_HAS_NO_VARIADICS #endif #if !(__has_feature(cxx_generalized_initializers)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif #if __has_feature(is_base_of) # define _LIBCPP_HAS_IS_BASE_OF #endif #if __has_feature(is_final) # define _LIBCPP_HAS_IS_FINAL #endif // Objective-C++ features (opt-in) #if __has_feature(objc_arc) #define _LIBCPP_HAS_OBJC_ARC #endif #if __has_feature(objc_arc_weak) #define _LIBCPP_HAS_OBJC_ARC_WEAK #define _LIBCPP_HAS_NO_STRONG_ENUMS #endif #if !(__has_feature(cxx_constexpr)) #define _LIBCPP_HAS_NO_CONSTEXPR #endif #if !(__has_feature(cxx_relaxed_constexpr)) #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif #if !(__has_feature(cxx_variable_templates)) #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L #if defined(__FreeBSD__) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #elif defined(__Fuchsia__) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #elif defined(__linux__) #if !defined(_LIBCPP_HAS_MUSL_LIBC) #if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) #define _LIBCPP_HAS_QUICK_EXIT #endif #if __GLIBC_PREREQ(2, 17) #define _LIBCPP_HAS_C11_FEATURES #endif #else // defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #endif #endif // __linux__ #endif #if !(__has_feature(cxx_noexcept)) #define _LIBCPP_HAS_NO_NOEXCEPT #endif #if __has_feature(underlying_type) # define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #endif #if __has_feature(is_literal) # define _LIBCPP_IS_LITERAL(T) __is_literal(T) #endif // Inline namespaces are available in Clang regardless of C++ dialect. #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { inline namespace _LIBCPP_NAMESPACE { } } #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) #define _LIBCPP_HAS_NO_ASAN #endif // Allow for build-time disabling of unsigned integer sanitization #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) #endif +// A constexpr version of __builtin_memcmp was added in clang 4.0 +#if __has_builtin(__builtin_memcmp) +# ifdef __apple_build_version__ +// No shipping version of Apple's clang has constexpr __builtin_memcmp +# elif __clang_major__ > 3 +# define _LIBCPP_BUILTIN_MEMCMP_ISCONSTEXPR +# endif +#endif + #elif defined(_LIBCPP_COMPILER_GCC) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _LIBCPP_NORETURN __attribute__((noreturn)) #if _GNUC_VER >= 407 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) #define _LIBCPP_HAS_IS_FINAL #endif #if defined(__GNUC__) && _GNUC_VER >= 403 # define _LIBCPP_HAS_IS_BASE_OF #endif #if !__EXCEPTIONS #define _LIBCPP_NO_EXCEPTIONS #endif // constexpr was added to GCC in 4.6. #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_CONSTEXPR // Can only use constexpr in c++11 mode. #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L #define _LIBCPP_HAS_NO_CONSTEXPR #endif // Determine if GCC supports relaxed constexpr #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif // GCC 5 will support variable templates #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #ifndef __GXX_EXPERIMENTAL_CXX0X__ #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #define _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_HAS_NO_NOEXCEPT #else // __GXX_EXPERIMENTAL_CXX0X__ #if _GNUC_VER < 403 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if _GNUC_VER < 404 #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif // _GNUC_VER < 404 #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #endif #endif // __GXX_EXPERIMENTAL_CXX0X__ #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { namespace _LIBCPP_NAMESPACE { } using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); } #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) #define _LIBCPP_HAS_NO_ASAN #endif #elif defined(_LIBCPP_COMPILER_MSVC) #define _LIBCPP_TOSTRING2(x) #x #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) #if _MSC_VER < 1900 #error "MSVC versions prior to Visual Studio 2015 are not supported" #endif #define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #if _MSC_VER <= 1800 #define _LIBCPP_HAS_NO_UNICODE_CHARS #endif #define _LIBCPP_HAS_NO_NOEXCEPT #define __alignof__ __alignof #define _LIBCPP_NORETURN __declspec(noreturn) #define _ALIGNAS(x) __declspec(align(x)) #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { #define _LIBCPP_END_NAMESPACE_STD } #define _VSTD std # define _LIBCPP_WEAK namespace std { } #define _LIBCPP_HAS_NO_ASAN #elif defined(_LIBCPP_COMPILER_IBM) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _ATTRIBUTE(x) __attribute__((x)) #define _LIBCPP_NORETURN __attribute__((noreturn)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_IS_FINAL #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #if defined(_AIX) #define __MULTILOCALE_API #endif #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { inline namespace _LIBCPP_NAMESPACE { } } #define _LIBCPP_HAS_NO_ASAN #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] #if defined(__ELF__) #define _LIBCPP_OBJECT_FORMAT_ELF 1 #elif defined(__MACH__) #define _LIBCPP_OBJECT_FORMAT_MACHO 1 #else #define _LIBCPP_OBJECT_FORMAT_COFF 1 #endif #if defined(_LIBCPP_OBJECT_FORMAT_COFF) #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_DLL_VIS # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS #elif defined(_LIBCPP_BUILDING_LIBRARY) # define _LIBCPP_DLL_VIS __declspec(dllexport) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS #else # define _LIBCPP_DLL_VIS __declspec(dllimport) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS #endif #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS #define _LIBCPP_HIDDEN #define _LIBCPP_TEMPLATE_VIS #define _LIBCPP_FUNC_VIS_ONLY #define _LIBCPP_ENUM_VIS #if defined(_LIBCPP_COMPILER_MSVC) # define _LIBCPP_INLINE_VISIBILITY __forceinline # define _LIBCPP_ALWAYS_INLINE __forceinline # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline #else # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) #endif #endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) #ifndef _LIBCPP_HIDDEN #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) #else #define _LIBCPP_HIDDEN #endif #endif #ifndef _LIBCPP_FUNC_VIS #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) #else #define _LIBCPP_FUNC_VIS #endif #endif #ifndef _LIBCPP_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # if __has_attribute(__type_visibility__) # define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) # endif # else # define _LIBCPP_TYPE_VIS # endif #endif #ifndef _LIBCPP_TEMPLATE_VIS # define _LIBCPP_TEMPLATE_VIS _LIBCPP_TYPE_VIS #endif #ifndef _LIBCPP_FUNC_VIS_ONLY # define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS #endif #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS #endif #ifndef _LIBCPP_EXCEPTION_ABI #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) #else #define _LIBCPP_EXCEPTION_ABI #endif #endif #ifndef _LIBCPP_ENUM_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_ENUM_VIS # endif #endif #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # endif #endif #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS #endif #ifndef _LIBCPP_INLINE_VISIBILITY #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) #else #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) #endif #endif #ifndef _LIBCPP_ALWAYS_INLINE #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) #else #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) #endif #endif #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) # else # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) # endif #endif #ifndef _LIBCPP_PREFERRED_OVERLOAD # if __has_attribute(__enable_if__) # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) # endif #endif #ifndef _LIBCPP_HAS_NO_NOEXCEPT # define _NOEXCEPT noexcept # define _NOEXCEPT_(x) noexcept(x) #else # define _NOEXCEPT throw() # define _NOEXCEPT_(x) #endif #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) # if !defined(_LIBCPP_DEBUG) # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined # endif # define _NOEXCEPT_DEBUG noexcept(false) # define _NOEXCEPT_DEBUG_(x) noexcept(false) #else # define _NOEXCEPT_DEBUG _NOEXCEPT # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) #endif #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS typedef unsigned short char16_t; typedef unsigned int char32_t; #endif // _LIBCPP_HAS_NO_UNICODE_CHARS #ifndef __SIZEOF_INT128__ #define _LIBCPP_HAS_NO_INT128 #endif #ifdef _LIBCPP_CXX03_LANG # if __has_extension(c_static_assert) # define static_assert(__b, __m) _Static_assert(__b, __m) # else extern "C++" { template struct __static_assert_test; template <> struct __static_assert_test {}; template struct __static_assert_check {}; } #define static_assert(__b, __m) \ typedef __static_assert_check)> \ _LIBCPP_CONCAT(__t, __LINE__) # endif // __has_extension(c_static_assert) #endif // _LIBCPP_CXX03_LANG #ifdef _LIBCPP_HAS_NO_DECLTYPE // GCC 4.6 provides __decltype in all standard modes. #if !__is_identifier(__decltype) || _GNUC_VER >= 406 # define decltype(__x) __decltype(__x) #else # define decltype(__x) __typeof__(__x) #endif #endif #ifdef _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_CONSTEXPR #else #define _LIBCPP_CONSTEXPR constexpr #endif #ifdef _LIBCPP_CXX03_LANG #define _LIBCPP_DEFAULT {} #else #define _LIBCPP_DEFAULT = default; #endif #ifdef _LIBCPP_CXX03_LANG #define _LIBCPP_EQUAL_DELETE #else #define _LIBCPP_EQUAL_DELETE = delete #endif #ifdef __GNUC__ #define _NOALIAS __attribute__((__malloc__)) #else #define _NOALIAS #endif -#if __has_extension(cxx_explicit_conversions) || defined(__IBMCPP__) || \ +#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions # define _LIBCPP_EXPLICIT explicit #else # define _LIBCPP_EXPLICIT #endif #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) # define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE #endif #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ __lx __v_; \ _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ }; #else // _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) #endif // _LIBCPP_HAS_NO_STRONG_ENUMS #ifdef _LIBCPP_DEBUG # if _LIBCPP_DEBUG == 0 # define _LIBCPP_DEBUG_LEVEL 1 # elif _LIBCPP_DEBUG == 1 # define _LIBCPP_DEBUG_LEVEL 2 # else # error Supported values for _LIBCPP_DEBUG are 0 and 1 # endif # define _LIBCPP_EXTERN_TEMPLATE(...) #endif #ifndef _LIBCPP_EXTERN_TEMPLATE #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; #endif #ifndef _LIBCPP_EXTERN_TEMPLATE2 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; #endif #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \ defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) #define _LIBCPP_LOCALE__L_EXTENSIONS 1 #endif #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) // Most unix variants have catopen. These are the specific ones that don't. #if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) #define _LIBCPP_HAS_CATOPEN 1 #endif #endif #ifdef __FreeBSD__ #define _DECLARE_C99_LDBL_MATH 1 #endif #if defined(__APPLE__) || defined(__FreeBSD__) #define _LIBCPP_HAS_DEFAULTRUNELOCALE #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) #define _LIBCPP_WCTYPE_IS_MASK #endif #ifndef _LIBCPP_STD_VER # if __cplusplus <= 201103L # define _LIBCPP_STD_VER 11 # elif __cplusplus <= 201402L # define _LIBCPP_STD_VER 14 # else # define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification # endif #endif // _LIBCPP_STD_VER #if _LIBCPP_STD_VER > 11 #define _LIBCPP_DEPRECATED [[deprecated]] #else #define _LIBCPP_DEPRECATED #endif #if _LIBCPP_STD_VER <= 11 #define _LIBCPP_EXPLICIT_AFTER_CXX11 #define _LIBCPP_DEPRECATED_AFTER_CXX11 #else #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] #endif #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) #define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr #else #define _LIBCPP_CONSTEXPR_AFTER_CXX11 #endif #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) #define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr #else #define _LIBCPP_CONSTEXPR_AFTER_CXX14 #endif // FIXME: Remove all usages of this macro once compilers catch up. #if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L) # define _LIBCPP_HAS_NO_INLINE_VARIABLES #endif #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) #else # define _LIBCPP_EXPLICIT_MOVE(x) (x) #endif #ifndef _LIBCPP_HAS_NO_ASAN _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( const void *, const void *, const void *, const void *); #endif // Try to find out if RTTI is disabled. // g++ and cl.exe have RTTI on by default and define a macro when it is. // g++ only defines the macro in 4.3.2 and onwards. #if !defined(_LIBCPP_NO_RTTI) # if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) # define _LIBCPP_NO_RTTI # elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI) # define _LIBCPP_NO_RTTI # endif #endif #ifndef _LIBCPP_WEAK # define _LIBCPP_WEAK __attribute__((__weak__)) #endif // Thread API #if !defined(_LIBCPP_HAS_NO_THREADS) && \ !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) # if defined(__FreeBSD__) || \ defined(__Fuchsia__) || \ defined(__NetBSD__) || \ defined(__linux__) || \ defined(__APPLE__) || \ defined(__CloudABI__) || \ defined(__sun__) # define _LIBCPP_HAS_THREAD_API_PTHREAD # elif defined(_LIBCPP_WIN32API) # define _LIBCPP_HAS_THREAD_API_WIN32 # else # error "No thread API" # endif // _LIBCPP_HAS_THREAD_API #endif // _LIBCPP_HAS_NO_THREADS #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) # error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ _LIBCPP_HAS_NO_THREADS is not defined. #endif #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) # error _LIBCPP_HAS_EXTERNAL_THREAD_API may not be defined when \ _LIBCPP_HAS_NO_THREADS is defined. #endif #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) # error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ _LIBCPP_HAS_NO_THREADS is defined. #endif // Systems that use capability-based security (FreeBSD with Capsicum, // Nuxi CloudABI) may only provide local filesystem access (using *at()). // Functions like open(), rename(), unlink() and stat() should not be // used, as they attempt to access the global filesystem namespace. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE #endif // CloudABI is intended for running networked services. Processes do not // have standard input and output channels. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_STDIN #define _LIBCPP_HAS_NO_STDOUT #endif #if defined(__BIONIC__) || defined(__CloudABI__) || \ defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE #endif // Thread-unsafe functions such as strtok() and localtime() // are not available. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS #endif #if __has_feature(cxx_atomic) || __has_extension(c_atomic) #define _LIBCPP_HAS_C_ATOMIC_IMP #elif _GNUC_VER > 407 #define _LIBCPP_HAS_GCC_ATOMIC_IMP #endif #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ || defined(_LIBCPP_HAS_NO_THREADS) #define _LIBCPP_HAS_NO_ATOMIC_HEADER #endif #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #endif #if (defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) && defined(__clang__) \ && __has_attribute(acquire_capability)) #define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS #endif #if __has_attribute(require_constant_initialization) #define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) #else #define _LIBCPP_SAFE_STATIC #endif #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 #define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF #endif #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) #if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) #define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS #endif #endif #endif // __cplusplus #endif // _LIBCPP_CONFIG Index: vendor/libc++/dist/include/__mutex_base =================================================================== --- vendor/libc++/dist/include/__mutex_base (revision 312178) +++ vendor/libc++/dist/include/__mutex_base (revision 312179) @@ -1,438 +1,438 @@ // -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___MUTEX_BASE #define _LIBCPP___MUTEX_BASE #include <__config> #include #include #include <__threading_support> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD #ifndef _LIBCPP_HAS_NO_THREADS #ifndef _LIBCPP_THREAD_SAFETY_ANNOTATION # ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS # define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x)) # else # define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) # endif #endif // _LIBCPP_THREAD_SAFETY_ANNOTATION class _LIBCPP_TYPE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(capability("mutex")) mutex { #ifndef _LIBCPP_HAS_NO_CONSTEXPR __libcpp_mutex_t __m_ = _LIBCPP_MUTEX_INITIALIZER; #else __libcpp_mutex_t __m_; #endif public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr mutex() _NOEXCEPT = default; #else mutex() _NOEXCEPT {__m_ = (__libcpp_mutex_t)_LIBCPP_MUTEX_INITIALIZER;} #endif ~mutex(); private: mutex(const mutex&);// = delete; mutex& operator=(const mutex&);// = delete; public: void lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(acquire_capability()); bool try_lock() _NOEXCEPT _LIBCPP_THREAD_SAFETY_ANNOTATION(try_acquire_capability(true)); void unlock() _NOEXCEPT _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability()); typedef __libcpp_mutex_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; struct _LIBCPP_TYPE_VIS defer_lock_t {}; struct _LIBCPP_TYPE_VIS try_to_lock_t {}; struct _LIBCPP_TYPE_VIS adopt_lock_t {}; #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX) extern const defer_lock_t defer_lock; extern const try_to_lock_t try_to_lock; extern const adopt_lock_t adopt_lock; #else constexpr defer_lock_t defer_lock = defer_lock_t(); constexpr try_to_lock_t try_to_lock = try_to_lock_t(); constexpr adopt_lock_t adopt_lock = adopt_lock_t(); #endif // Forward declare lock_guard as a variadic template even in C++03 to keep // the mangling consistent between dialects. #if defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD) template class _LIBCPP_TEMPLATE_VIS lock_guard; #endif template class _LIBCPP_TEMPLATE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(scoped_lockable) #if !defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD) lock_guard #else lock_guard<_Mutex> #endif { public: typedef _Mutex mutex_type; private: mutex_type& __m_; public: _LIBCPP_INLINE_VISIBILITY explicit lock_guard(mutex_type& __m) _LIBCPP_THREAD_SAFETY_ANNOTATION(acquire_capability(__m)) : __m_(__m) {__m_.lock();} _LIBCPP_INLINE_VISIBILITY lock_guard(mutex_type& __m, adopt_lock_t) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m)) : __m_(__m) {} _LIBCPP_INLINE_VISIBILITY ~lock_guard() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability()) {__m_.unlock();} private: lock_guard(lock_guard const&) _LIBCPP_EQUAL_DELETE; lock_guard& operator=(lock_guard const&) _LIBCPP_EQUAL_DELETE; }; template class _LIBCPP_TEMPLATE_VIS unique_lock { public: typedef _Mutex mutex_type; private: mutex_type* __m_; bool __owns_; public: _LIBCPP_INLINE_VISIBILITY unique_lock() _NOEXCEPT : __m_(nullptr), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY explicit unique_lock(mutex_type& __m) : __m_(_VSTD::addressof(__m)), __owns_(true) {__m_->lock();} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT : __m_(_VSTD::addressof(__m)), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, try_to_lock_t) : __m_(_VSTD::addressof(__m)), __owns_(__m.try_lock()) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, adopt_lock_t) : __m_(_VSTD::addressof(__m)), __owns_(true) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::time_point<_Clock, _Duration>& __t) : __m_(_VSTD::addressof(__m)), __owns_(__m.try_lock_until(__t)) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::duration<_Rep, _Period>& __d) : __m_(_VSTD::addressof(__m)), __owns_(__m.try_lock_for(__d)) {} _LIBCPP_INLINE_VISIBILITY ~unique_lock() { if (__owns_) __m_->unlock(); } private: unique_lock(unique_lock const&); // = delete; unique_lock& operator=(unique_lock const&); // = delete; public: #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY unique_lock(unique_lock&& __u) _NOEXCEPT : __m_(__u.__m_), __owns_(__u.__owns_) {__u.__m_ = nullptr; __u.__owns_ = false;} _LIBCPP_INLINE_VISIBILITY unique_lock& operator=(unique_lock&& __u) _NOEXCEPT { if (__owns_) __m_->unlock(); __m_ = __u.__m_; __owns_ = __u.__owns_; __u.__m_ = nullptr; __u.__owns_ = false; return *this; } #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES void lock(); bool try_lock(); template bool try_lock_for(const chrono::duration<_Rep, _Period>& __d); template bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t); void unlock(); _LIBCPP_INLINE_VISIBILITY void swap(unique_lock& __u) _NOEXCEPT { _VSTD::swap(__m_, __u.__m_); _VSTD::swap(__owns_, __u.__owns_); } _LIBCPP_INLINE_VISIBILITY mutex_type* release() _NOEXCEPT { mutex_type* __m = __m_; __m_ = nullptr; __owns_ = false; return __m; } _LIBCPP_INLINE_VISIBILITY bool owns_lock() const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool () const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY mutex_type* mutex() const _NOEXCEPT {return __m_;} }; template void unique_lock<_Mutex>::lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::lock: already locked"); __m_->lock(); __owns_ = true; } template bool unique_lock<_Mutex>::try_lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock: already locked"); __owns_ = __m_->try_lock(); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_for: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_for: already locked"); __owns_ = __m_->try_lock_for(__d); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_until: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_until: already locked"); __owns_ = __m_->try_lock_until(__t); return __owns_; } template void unique_lock<_Mutex>::unlock() { if (!__owns_) __throw_system_error(EPERM, "unique_lock::unlock: not locked"); __m_->unlock(); __owns_ = false; } template inline _LIBCPP_INLINE_VISIBILITY void swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT {__x.swap(__y);} //enum class cv_status _LIBCPP_DECLARE_STRONG_ENUM(cv_status) { no_timeout, timeout }; _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(cv_status) class _LIBCPP_TYPE_VIS condition_variable { #ifndef _LIBCPP_HAS_NO_CONSTEXPR __libcpp_condvar_t __cv_ = _LIBCPP_CONDVAR_INITIALIZER; #else __libcpp_condvar_t __cv_; #endif public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr condition_variable() _NOEXCEPT = default; #else condition_variable() _NOEXCEPT {__cv_ = (__libcpp_condvar_t)_LIBCPP_CONDVAR_INITIALIZER;} #endif ~condition_variable(); private: condition_variable(const condition_variable&); // = delete; condition_variable& operator=(const condition_variable&); // = delete; public: void notify_one() _NOEXCEPT; void notify_all() _NOEXCEPT; void wait(unique_lock& __lk) _NOEXCEPT; template void wait(unique_lock& __lk, _Predicate __pred); template cv_status wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t); template bool wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred); template cv_status wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d); template bool _LIBCPP_INLINE_VISIBILITY wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred); typedef __libcpp_condvar_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;} private: void __do_timed_wait(unique_lock& __lk, chrono::time_point) _NOEXCEPT; }; #endif // !_LIBCPP_HAS_NO_THREADS template inline _LIBCPP_INLINE_VISIBILITY typename enable_if < chrono::__is_duration<_To>::value, _To >::type __ceil(chrono::duration<_Rep, _Period> __d) { using namespace chrono; _To __r = duration_cast<_To>(__d); if (__r < __d) ++__r; return __r; } #ifndef _LIBCPP_HAS_NO_THREADS template void condition_variable::wait(unique_lock& __lk, _Predicate __pred) { while (!__pred()) wait(__lk); } template cv_status condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t) { using namespace chrono; wait_for(__lk, __t - _Clock::now()); return _Clock::now() < __t ? cv_status::no_timeout : cv_status::timeout; } template bool condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred) { while (!__pred()) { if (wait_until(__lk, __t) == cv_status::timeout) return __pred(); } return true; } template cv_status condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d) { using namespace chrono; if (__d <= __d.zero()) return cv_status::timeout; typedef time_point > __sys_tpf; typedef time_point __sys_tpi; __sys_tpf _Max = __sys_tpi::max(); - system_clock::time_point __s_now = system_clock::now(); steady_clock::time_point __c_now = steady_clock::now(); + system_clock::time_point __s_now = system_clock::now(); if (_Max - __d > __s_now) __do_timed_wait(__lk, __s_now + __ceil(__d)); else __do_timed_wait(__lk, __sys_tpi::max()); return steady_clock::now() - __c_now < __d ? cv_status::no_timeout : cv_status::timeout; } template inline bool condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred) { return wait_until(__lk, chrono::steady_clock::now() + __d, _VSTD::move(__pred)); } #endif // !_LIBCPP_HAS_NO_THREADS _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___MUTEX_BASE Index: vendor/libc++/dist/include/__string =================================================================== --- vendor/libc++/dist/include/__string (revision 312178) +++ vendor/libc++/dist/include/__string (revision 312179) @@ -1,766 +1,871 @@ // -*- C++ -*- //===-------------------------- __string ----------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___STRING #define _LIBCPP___STRING /* string synopsis namespace std { template struct char_traits { typedef charT char_type; typedef ... int_type; typedef streamoff off_type; typedef streampos pos_type; typedef mbstate_t state_type; - static void assign(char_type& c1, const char_type& c2) noexcept; + static constexpr void assign(char_type& c1, const char_type& c2) noexcept; static constexpr bool eq(char_type c1, char_type c2) noexcept; static constexpr bool lt(char_type c1, char_type c2) noexcept; - static int compare(const char_type* s1, const char_type* s2, size_t n); - static size_t length(const char_type* s); - static const char_type* find(const char_type* s, size_t n, const char_type& a); + static constexpr int compare(const char_type* s1, const char_type* s2, size_t n); + static constexpr size_t length(const char_type* s); + static constexpr const char_type* + find(const char_type* s, size_t n, const char_type& a); static char_type* move(char_type* s1, const char_type* s2, size_t n); static char_type* copy(char_type* s1, const char_type* s2, size_t n); static char_type* assign(char_type* s, size_t n, char_type a); static constexpr int_type not_eof(int_type c) noexcept; static constexpr char_type to_char_type(int_type c) noexcept; static constexpr int_type to_int_type(char_type c) noexcept; static constexpr bool eq_int_type(int_type c1, int_type c2) noexcept; static constexpr int_type eof() noexcept; }; template <> struct char_traits; template <> struct char_traits; } // std */ #include <__config> #include // for search and min #include // For EOF. #include // for __murmur2_or_cityhash #include <__undef_min_max> #include <__debug> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD // char_traits template struct _LIBCPP_TEMPLATE_VIS char_traits { typedef _CharT char_type; typedef int int_type; typedef streamoff off_type; typedef streampos pos_type; typedef mbstate_t state_type; - static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT - {__c1 = __c2;} + static inline void _LIBCPP_CONSTEXPR_AFTER_CXX14 + assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 < __c2;} - static int compare(const char_type* __s1, const char_type* __s2, size_t __n); - _LIBCPP_INLINE_VISIBILITY - static size_t length(const char_type* __s); - _LIBCPP_INLINE_VISIBILITY - static const char_type* find(const char_type* __s, size_t __n, const char_type& __a); + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n); + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s); + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a); static char_type* move(char_type* __s1, const char_type* __s2, size_t __n); _LIBCPP_INLINE_VISIBILITY static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n); _LIBCPP_INLINE_VISIBILITY static char_type* assign(char_type* __s, size_t __n, char_type __a); static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT {return eq_int_type(__c, eof()) ? ~eof() : __c;} static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT {return char_type(__c);} static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT {return int_type(__c);} static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT {return int_type(EOF);} }; template -int +_LIBCPP_CONSTEXPR_AFTER_CXX14 int char_traits<_CharT>::compare(const char_type* __s1, const char_type* __s2, size_t __n) { for (; __n; --__n, ++__s1, ++__s2) { if (lt(*__s1, *__s2)) return -1; if (lt(*__s2, *__s1)) return 1; } return 0; } template inline -size_t +_LIBCPP_CONSTEXPR_AFTER_CXX14 size_t char_traits<_CharT>::length(const char_type* __s) { size_t __len = 0; for (; !eq(*__s, char_type(0)); ++__s) ++__len; return __len; } template inline -const _CharT* +_LIBCPP_CONSTEXPR_AFTER_CXX14 const _CharT* char_traits<_CharT>::find(const char_type* __s, size_t __n, const char_type& __a) { for (; __n; --__n) { if (eq(*__s, __a)) return __s; ++__s; } return 0; } template _CharT* char_traits<_CharT>::move(char_type* __s1, const char_type* __s2, size_t __n) { char_type* __r = __s1; if (__s1 < __s2) { for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); } else if (__s2 < __s1) { __s1 += __n; __s2 += __n; for (; __n; --__n) assign(*--__s1, *--__s2); } return __r; } template inline _CharT* char_traits<_CharT>::copy(char_type* __s1, const char_type* __s2, size_t __n) { _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); char_type* __r = __s1; for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); return __r; } template inline _CharT* char_traits<_CharT>::assign(char_type* __s, size_t __n, char_type __a) { char_type* __r = __s; for (; __n; --__n, ++__s) assign(*__s, __a); return __r; } // char_traits template <> struct _LIBCPP_TEMPLATE_VIS char_traits { typedef char char_type; typedef int int_type; typedef streamoff off_type; typedef streampos pos_type; typedef mbstate_t state_type; - static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT - {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {return (unsigned char)__c1 < (unsigned char)__c2;} - static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT - {return __n == 0 ? 0 : memcmp(__s1, __s2, __n);} - static inline size_t length(const char_type* __s) _NOEXCEPT {return strlen(__s);} - static inline const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT - {return __n == 0 ? NULL : (const char_type*) memchr(__s, to_int_type(__a), __n);} + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + static inline size_t _LIBCPP_CONSTEXPR_AFTER_CXX14 + length(const char_type* __s) _NOEXCEPT {return __builtin_strlen(__s);} + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT {return __n == 0 ? __s1 : (char_type*) memmove(__s1, __s2, __n);} static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); return __n == 0 ? __s1 : (char_type*)memcpy(__s1, __s2, __n); } static inline char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT {return __n == 0 ? __s : (char_type*)memset(__s, to_int_type(__a), __n);} static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT {return eq_int_type(__c, eof()) ? ~eof() : __c;} static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT {return char_type(__c);} static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT {return int_type((unsigned char)__c);} static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT {return int_type(EOF);} }; +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + if (__n == 0) + return 0; +#ifdef _LIBCPP_BUILTIN_MEMCMP_ISCONSTEXPR + return __builtin_memcmp(__s1, __s2, __n); +#elif _LIBCPP_STD_VER <= 14 + return memcmp(__s1, __s2, __n); +#else + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const char* +char_traits::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + if (__n == 0) + return NULL; +#if _LIBCPP_STD_VER <= 14 + return (const char_type*) memchr(__s, to_int_type(__a), __n); +#else + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return NULL; +#endif +} + + // char_traits template <> struct _LIBCPP_TEMPLATE_VIS char_traits { typedef wchar_t char_type; typedef wint_t int_type; typedef streamoff off_type; typedef streampos pos_type; typedef mbstate_t state_type; - static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT - {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 < __c2;} - static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT - {return __n == 0 ? 0 : wmemcmp(__s1, __s2, __n);} - static inline size_t length(const char_type* __s) _NOEXCEPT - {return wcslen(__s);} - static inline const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT - {return __n == 0 ? NULL : (const char_type*)wmemchr(__s, __a, __n);} + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT {return __n == 0 ? __s1 : (char_type*)wmemmove(__s1, __s2, __n);} static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); return __n == 0 ? __s1 : (char_type*)wmemcpy(__s1, __s2, __n); } static inline char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT {return __n == 0 ? __s : (char_type*)wmemset(__s, __a, __n);} static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT {return eq_int_type(__c, eof()) ? ~eof() : __c;} static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT {return char_type(__c);} static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT {return int_type(__c);} static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT {return int_type(WEOF);} }; +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + if (__n == 0) + return 0; +#if __has_builtin(__builtin_wmemcmp) + return __builtin_wmemcmp(__s1, __s2, __n); +#elif _LIBCPP_STD_VER <= 14 + return wmemcmp(__s1, __s2, __n); +#else + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +size_t +char_traits::length(const char_type* __s) _NOEXCEPT +{ +#if __has_builtin(__builtin_wcslen) + return __builtin_wcslen(__s); +#elif _LIBCPP_STD_VER <= 14 + return wcslen(__s); +#else + size_t __len = 0; + for (; !eq(*__s, char_type(0)); ++__s) + ++__len; + return __len; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const wchar_t* +char_traits::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + if (__n == 0) + return NULL; +#if __has_builtin(__builtin_wmemchr) + return __builtin_wmemchr(__s, __a, __n); +#elif _LIBCPP_STD_VER <= 14 + return wmemchr(__s, __a, __n); +#else + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return NULL; +#endif +} + + #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS template <> struct _LIBCPP_TEMPLATE_VIS char_traits { typedef char16_t char_type; typedef uint_least16_t int_type; typedef streamoff off_type; typedef u16streampos pos_type; typedef mbstate_t state_type; - static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT - {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 < __c2;} + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY - static int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY - static size_t length(const char_type* __s) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY - static const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY static char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY static char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT; static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT {return eq_int_type(__c, eof()) ? ~eof() : __c;} static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT {return char_type(__c);} static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT {return int_type(__c);} static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT {return int_type(0xFFFF);} }; -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 int char_traits::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { for (; __n; --__n, ++__s1, ++__s2) { if (lt(*__s1, *__s2)) return -1; if (lt(*__s2, *__s1)) return 1; } return 0; } -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 size_t char_traits::length(const char_type* __s) _NOEXCEPT { size_t __len = 0; for (; !eq(*__s, char_type(0)); ++__s) ++__len; return __len; } -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 const char16_t* char_traits::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT { for (; __n; --__n) { if (eq(*__s, __a)) return __s; ++__s; } return 0; } inline char16_t* char_traits::move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { char_type* __r = __s1; if (__s1 < __s2) { for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); } else if (__s2 < __s1) { __s1 += __n; __s2 += __n; for (; __n; --__n) assign(*--__s1, *--__s2); } return __r; } inline char16_t* char_traits::copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); char_type* __r = __s1; for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); return __r; } inline char16_t* char_traits::assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT { char_type* __r = __s; for (; __n; --__n, ++__s) assign(*__s, __a); return __r; } template <> struct _LIBCPP_TEMPLATE_VIS char_traits { typedef char32_t char_type; typedef uint_least32_t int_type; typedef streamoff off_type; typedef u32streampos pos_type; typedef mbstate_t state_type; - static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT - {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {return __c1 < __c2;} + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY - static int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY - static size_t length(const char_type* __s) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY - static const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY static char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY static char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT; static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT {return eq_int_type(__c, eof()) ? ~eof() : __c;} static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT {return char_type(__c);} static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT {return int_type(__c);} static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT {return __c1 == __c2;} static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT {return int_type(0xFFFFFFFF);} }; -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 int char_traits::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { for (; __n; --__n, ++__s1, ++__s2) { if (lt(*__s1, *__s2)) return -1; if (lt(*__s2, *__s1)) return 1; } return 0; } -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 size_t char_traits::length(const char_type* __s) _NOEXCEPT { size_t __len = 0; for (; !eq(*__s, char_type(0)); ++__s) ++__len; return __len; } -inline +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 const char32_t* char_traits::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT { for (; __n; --__n) { if (eq(*__s, __a)) return __s; ++__s; } return 0; } inline char32_t* char_traits::move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { char_type* __r = __s1; if (__s1 < __s2) { for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); } else if (__s2 < __s1) { __s1 += __n; __s2 += __n; for (; __n; --__n) assign(*--__s1, *--__s2); } return __r; } inline char32_t* char_traits::copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT { _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); char_type* __r = __s1; for (; __n; --__n, ++__s1, ++__s2) assign(*__s1, *__s2); return __r; } inline char32_t* char_traits::assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT { char_type* __r = __s; for (; __n; --__n, ++__s) assign(*__s, __a); return __r; } #endif // _LIBCPP_HAS_NO_UNICODE_CHARS // helper fns for basic_string and string_view // __str_find template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find(const _CharT *__p, _SizeT __sz, _CharT __c, _SizeT __pos) _NOEXCEPT { if (__pos >= __sz) return __npos; const _CharT* __r = _Traits::find(__p + __pos, __sz - __pos, __c); if (__r == 0) return __npos; return static_cast<_SizeT>(__r - __p); } template inline _LIBCPP_CONSTEXPR_AFTER_CXX11 const _CharT * __search_substring(const _CharT *__first1, const _CharT *__last1, const _CharT *__first2, const _CharT *__last2) { // Take advantage of knowing source and pattern lengths. // Stop short when source is smaller than pattern. const ptrdiff_t __len2 = __last2 - __first2; if (__len2 == 0) return __first1; ptrdiff_t __len1 = __last1 - __first1; if (__len1 < __len2) return __last1; // First element of __first2 is loop invariant. _CharT __f2 = *__first2; while (true) { __len1 = __last1 - __first1; // Check whether __first1 still has at least __len2 bytes. if (__len1 < __len2) return __last1; // Find __f2 the first byte matching in __first1. __first1 = _Traits::find(__first1, __len1 - __len2 + 1, __f2); if (__first1 == 0) return __last1; // It is faster to compare from the first byte of __first1 even if we // already know that it matches the first byte of __first2: this is because // __first2 is most likely aligned, as it is user's "pattern" string, and // __first1 + 1 is most likely not aligned, as the match is in the middle of // the string. if (_Traits::compare(__first1, __first2, __len2) == 0) return __first1; ++__first1; } } template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { if (__pos > __sz) return __npos; if (__n == 0) // There is nothing to search, just return __pos. return __pos; const _CharT *__r = __search_substring<_CharT, _Traits>( __p + __pos, __p + __sz, __s, __s + __n); if (__r == __p + __sz) return __npos; return static_cast<_SizeT>(__r - __p); } // __str_rfind template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_rfind(const _CharT *__p, _SizeT __sz, _CharT __c, _SizeT __pos) _NOEXCEPT { if (__sz < 1) return __npos; if (__pos < __sz) ++__pos; else __pos = __sz; for (const _CharT* __ps = __p + __pos; __ps != __p;) { if (_Traits::eq(*--__ps, __c)) return static_cast<_SizeT>(__ps - __p); } return __npos; } template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_rfind(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { __pos = _VSTD::min(__pos, __sz); if (__n < __sz - __pos) __pos += __n; else __pos = __sz; const _CharT* __r = _VSTD::__find_end( __p, __p + __pos, __s, __s + __n, _Traits::eq, random_access_iterator_tag(), random_access_iterator_tag()); if (__n > 0 && __r == __p + __pos) return __npos; return static_cast<_SizeT>(__r - __p); } // __str_find_first_of template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_first_of(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { if (__pos >= __sz || __n == 0) return __npos; const _CharT* __r = _VSTD::__find_first_of_ce (__p + __pos, __p + __sz, __s, __s + __n, _Traits::eq ); if (__r == __p + __sz) return __npos; return static_cast<_SizeT>(__r - __p); } // __str_find_last_of template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_last_of(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { if (__n != 0) { if (__pos < __sz) ++__pos; else __pos = __sz; for (const _CharT* __ps = __p + __pos; __ps != __p;) { const _CharT* __r = _Traits::find(__s, __n, *--__ps); if (__r) return static_cast<_SizeT>(__ps - __p); } } return __npos; } // __str_find_first_not_of template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_first_not_of(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { if (__pos < __sz) { const _CharT* __pe = __p + __sz; for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps) if (_Traits::find(__s, __n, *__ps) == 0) return static_cast<_SizeT>(__ps - __p); } return __npos; } template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_first_not_of(const _CharT *__p, _SizeT __sz, _CharT __c, _SizeT __pos) _NOEXCEPT { if (__pos < __sz) { const _CharT* __pe = __p + __sz; for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps) if (!_Traits::eq(*__ps, __c)) return static_cast<_SizeT>(__ps - __p); } return __npos; } // __str_find_last_not_of template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_last_not_of(const _CharT *__p, _SizeT __sz, const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT { if (__pos < __sz) ++__pos; else __pos = __sz; for (const _CharT* __ps = __p + __pos; __ps != __p;) if (_Traits::find(__s, __n, *--__ps) == 0) return static_cast<_SizeT>(__ps - __p); return __npos; } template inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY __str_find_last_not_of(const _CharT *__p, _SizeT __sz, _CharT __c, _SizeT __pos) _NOEXCEPT { if (__pos < __sz) ++__pos; else __pos = __sz; for (const _CharT* __ps = __p + __pos; __ps != __p;) if (!_Traits::eq(*--__ps, __c)) return static_cast<_SizeT>(__ps - __p); return __npos; } template inline _LIBCPP_INLINE_VISIBILITY size_t __do_string_hash(_Ptr __p, _Ptr __e) { typedef typename iterator_traits<_Ptr>::value_type value_type; return __murmur2_or_cityhash()(__p, (__e-__p)*sizeof(value_type)); } template > struct __quoted_output_proxy { _Iter __first; _Iter __last; _CharT __delim; _CharT __escape; __quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e) : __first(__f), __last(__l), __delim(__d), __escape(__e) {} // This would be a nice place for a string_ref }; _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___STRING Index: vendor/libc++/dist/include/__threading_support =================================================================== --- vendor/libc++/dist/include/__threading_support (revision 312178) +++ vendor/libc++/dist/include/__threading_support (revision 312179) @@ -1,585 +1,585 @@ // -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_THREADING_SUPPORT #define _LIBCPP_THREADING_SUPPORT #include <__config> #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #pragma GCC system_header #endif #if defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) # include <__external_threading> #elif !defined(_LIBCPP_HAS_NO_THREADS) #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) # include # include #elif defined(_LIBCPP_HAS_THREAD_API_WIN32) #include #include #include #include #include #endif #if defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \ defined(_LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL) #define _LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_FUNC_VIS #else #define _LIBCPP_THREAD_ABI_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY #endif _LIBCPP_BEGIN_NAMESPACE_STD #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) // Mutex typedef pthread_mutex_t __libcpp_mutex_t; #define _LIBCPP_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER typedef pthread_mutex_t __libcpp_recursive_mutex_t; // Condition Variable typedef pthread_cond_t __libcpp_condvar_t; #define _LIBCPP_CONDVAR_INITIALIZER PTHREAD_COND_INITIALIZER // Execute once typedef pthread_once_t __libcpp_exec_once_flag; #define _LIBCPP_EXEC_ONCE_INITIALIZER PTHREAD_ONCE_INIT // Thread id typedef pthread_t __libcpp_thread_id; // Thread typedef pthread_t __libcpp_thread_t; // Thrad Local Storage typedef pthread_key_t __libcpp_tls_key; #define _LIBCPP_TLS_DESTRUCTOR_CC #else // Mutex typedef SRWLOCK __libcpp_mutex_t; #define _LIBCPP_MUTEX_INITIALIZER SRWLOCK_INIT typedef CRITICAL_SECTION __libcpp_recursive_mutex_t; // Condition Variable typedef CONDITION_VARIABLE __libcpp_condvar_t; #define _LIBCPP_CONDVAR_INITIALIZER CONDITION_VARIABLE_INIT // Execute Once typedef INIT_ONCE __libcpp_exec_once_flag; #define _LIBCPP_EXEC_ONCE_INITIALIZER INIT_ONCE_STATIC_INIT // Thread ID typedef DWORD __libcpp_thread_id; // Thread typedef HANDLE __libcpp_thread_t; // Thread Local Storage typedef DWORD __libcpp_tls_key; #define _LIBCPP_TLS_DESTRUCTOR_CC WINAPI #endif // Mutex _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_mutex_lock(__libcpp_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_mutex_trylock(__libcpp_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_mutex_unlock(__libcpp_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_mutex_destroy(__libcpp_mutex_t *__m); // Condition variable _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_condvar_signal(__libcpp_condvar_t* __cv); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, timespec *__ts); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv); // Execute once _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_execute_once(__libcpp_exec_once_flag *flag, void (*init_routine)(void)); // Thread id #if defined(__APPLE__) && !defined(__arm__) _LIBCPP_THREAD_ABI_VISIBILITY mach_port_t __libcpp_thread_get_port(); #endif _LIBCPP_THREAD_ABI_VISIBILITY bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2); _LIBCPP_THREAD_ABI_VISIBILITY bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2); // Thread _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), void *__arg); _LIBCPP_THREAD_ABI_VISIBILITY __libcpp_thread_id __libcpp_thread_get_current_id(); _LIBCPP_THREAD_ABI_VISIBILITY __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_thread_join(__libcpp_thread_t *__t); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_thread_detach(__libcpp_thread_t *__t); _LIBCPP_THREAD_ABI_VISIBILITY void __libcpp_thread_yield(); // Thread local storage _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_tls_create(__libcpp_tls_key* __key, void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)); _LIBCPP_THREAD_ABI_VISIBILITY void *__libcpp_tls_get(__libcpp_tls_key __key); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_tls_set(__libcpp_tls_key __key, void *__p); #if !defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \ defined(_LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL) #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) { pthread_mutexattr_t attr; int __ec = pthread_mutexattr_init(&attr); if (__ec) return __ec; __ec = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); if (__ec) { pthread_mutexattr_destroy(&attr); return __ec; } __ec = pthread_mutex_init(__m, &attr); if (__ec) { pthread_mutexattr_destroy(&attr); return __ec; } __ec = pthread_mutexattr_destroy(&attr); if (__ec) { pthread_mutex_destroy(__m); return __ec; } return 0; } int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) { return pthread_mutex_lock(__m); } int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) { return pthread_mutex_trylock(__m); } int __libcpp_recursive_mutex_unlock(__libcpp_mutex_t *__m) { return pthread_mutex_unlock(__m); } int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m) { return pthread_mutex_destroy(__m); } int __libcpp_mutex_lock(__libcpp_mutex_t *__m) { return pthread_mutex_lock(__m); } int __libcpp_mutex_trylock(__libcpp_mutex_t *__m) { return pthread_mutex_trylock(__m); } int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) { return pthread_mutex_unlock(__m); } int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) { return pthread_mutex_destroy(__m); } // Condition Variable int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) { return pthread_cond_signal(__cv); } int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) { return pthread_cond_broadcast(__cv); } int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) { return pthread_cond_wait(__cv, __m); } int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, timespec *__ts) { return pthread_cond_timedwait(__cv, __m, __ts); } int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) { return pthread_cond_destroy(__cv); } // Execute once int __libcpp_execute_once(__libcpp_exec_once_flag *flag, void (*init_routine)(void)) { return pthread_once(flag, init_routine); } // Thread id #if defined(__APPLE__) && !defined(__arm__) mach_port_t __libcpp_thread_get_port() { return pthread_mach_thread_np(pthread_self()); } #endif // Returns non-zero if the thread ids are equal, otherwise 0 bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2) { return pthread_equal(t1, t2) != 0; } // Returns non-zero if t1 < t2, otherwise 0 bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2) { return t1 < t2; } // Thread int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), void *__arg) { return pthread_create(__t, 0, __func, __arg); } __libcpp_thread_id __libcpp_thread_get_current_id() { return pthread_self(); } __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) { return *__t; } int __libcpp_thread_join(__libcpp_thread_t *__t) { return pthread_join(*__t, 0); } int __libcpp_thread_detach(__libcpp_thread_t *__t) { return pthread_detach(*__t); } void __libcpp_thread_yield() { sched_yield(); } // Thread local storage int __libcpp_tls_create(__libcpp_tls_key *__key, void (*__at_exit)(void *)) { return pthread_key_create(__key, __at_exit); } void *__libcpp_tls_get(__libcpp_tls_key __key) { return pthread_getspecific(__key); } int __libcpp_tls_set(__libcpp_tls_key __key, void *__p) { return pthread_setspecific(__key, __p); } #elif defined(_LIBCPP_HAS_THREAD_API_WIN32) // Mutex int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) { InitializeCriticalSection(__m); return 0; } int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) { EnterCriticalSection(__m); return 0; } int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) { TryEnterCriticalSection(__m); return 0; } int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m) { LeaveCriticalSection(__m); return 0; } int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m) { - static_cast(__m); + DeleteCriticalSection(__m); return 0; } int __libcpp_mutex_lock(__libcpp_mutex_t *__m) { AcquireSRWLockExclusive(__m); return 0; } int __libcpp_mutex_trylock(__libcpp_mutex_t *__m) { TryAcquireSRWLockExclusive(__m); return 0; } int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) { ReleaseSRWLockExclusive(__m); return 0; } int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) { static_cast(__m); return 0; } // Condition Variable int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) { WakeConditionVariable(__cv); return 0; } int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) { WakeAllConditionVariable(__cv); return 0; } int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) { SleepConditionVariableSRW(__cv, __m, INFINITE, 0); return 0; } int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, timespec *__ts) { using namespace _VSTD::chrono; auto duration = seconds(__ts->tv_sec) + nanoseconds(__ts->tv_nsec); auto abstime = system_clock::time_point(duration_cast(duration)); auto timeout_ms = duration_cast(abstime - system_clock::now()); if (!SleepConditionVariableSRW(__cv, __m, timeout_ms.count() > 0 ? timeout_ms.count() : 0, 0)) return GetLastError(); return 0; } int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) { static_cast(__cv); return 0; } // Execute Once static inline _LIBCPP_ALWAYS_INLINE BOOL CALLBACK __libcpp_init_once_execute_once_thunk(PINIT_ONCE __init_once, PVOID __parameter, PVOID *__context) { static_cast(__init_once); static_cast(__context); void (*init_routine)(void) = reinterpret_cast(__parameter); init_routine(); return TRUE; } int __libcpp_execute_once(__libcpp_exec_once_flag *__flag, void (*__init_routine)(void)) { if (!InitOnceExecuteOnce(__flag, __libcpp_init_once_execute_once_thunk, reinterpret_cast(__init_routine), NULL)) return GetLastError(); return 0; } // Thread ID bool __libcpp_thread_id_equal(__libcpp_thread_id __lhs, __libcpp_thread_id __rhs) { return __lhs == __rhs; } bool __libcpp_thread_id_less(__libcpp_thread_id __lhs, __libcpp_thread_id __rhs) { return __lhs < __rhs; } // Thread struct __libcpp_beginthreadex_thunk_data { void *(*__func)(void *); void *__arg; }; static inline _LIBCPP_ALWAYS_INLINE unsigned int WINAPI __libcpp_beginthreadex_thunk(void *__data) { __libcpp_beginthreadex_thunk_data data = *reinterpret_cast<__libcpp_beginthreadex_thunk_data *>(__data); delete reinterpret_cast<__libcpp_beginthreadex_thunk_data *>(__data); return reinterpret_cast(data.__func(data.__arg)); } int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), void *__arg) { auto *data = new __libcpp_beginthreadex_thunk_data; data->__func = __func; data->__arg = __arg; *__t = reinterpret_cast(_beginthreadex(NULL, 0, __libcpp_beginthreadex_thunk, data, 0, NULL)); if (*__t) return 0; return GetLastError(); } __libcpp_thread_id __libcpp_thread_get_current_id() { return GetCurrentThreadId(); } __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) { return GetThreadId(*__t); } int __libcpp_thread_join(__libcpp_thread_t *__t) { if (WaitForSingleObjectEx(*__t, INFINITE, FALSE) == WAIT_FAILED) return GetLastError(); if (!CloseHandle(*__t)) return GetLastError(); return 0; } int __libcpp_thread_detach(__libcpp_thread_t *__t) { if (!CloseHandle(*__t)) return GetLastError(); return 0; } void __libcpp_thread_yield() { SwitchToThread(); } // Thread Local Storage int __libcpp_tls_create(__libcpp_tls_key* __key, void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)) { *__key = FlsAlloc(__at_exit); if (*__key == FLS_OUT_OF_INDEXES) return GetLastError(); return 0; } void *__libcpp_tls_get(__libcpp_tls_key __key) { return FlsGetValue(__key); } int __libcpp_tls_set(__libcpp_tls_key __key, void *__p) { if (!FlsSetValue(__key, __p)) return GetLastError(); return 0; } #endif // _LIBCPP_HAS_THREAD_API_PTHREAD #endif // !_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL || _LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL _LIBCPP_END_NAMESPACE_STD #endif // !_LIBCPP_HAS_NO_THREADS #endif // _LIBCPP_THREADING_SUPPORT Index: vendor/libc++/dist/include/experimental/string_view =================================================================== --- vendor/libc++/dist/include/experimental/string_view (revision 312178) +++ vendor/libc++/dist/include/experimental/string_view (revision 312179) @@ -1,818 +1,813 @@ // -*- C++ -*- //===------------------------ string_view ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_LFTS_STRING_VIEW #define _LIBCPP_LFTS_STRING_VIEW /* string_view synopsis namespace std { namespace experimental { inline namespace library_fundamentals_v1 { // 7.2, Class template basic_string_view template> class basic_string_view; // 7.9, basic_string_view non-member comparison functions template constexpr bool operator==(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator!=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator< (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator> (basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator<=(basic_string_view x, basic_string_view y) noexcept; template constexpr bool operator>=(basic_string_view x, basic_string_view y) noexcept; // see below, sufficient additional overloads of comparison functions // 7.10, Inserters and extractors template basic_ostream& operator<<(basic_ostream& os, basic_string_view str); // basic_string_view typedef names typedef basic_string_view string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; template> class basic_string_view { public: // types typedef traits traits_type; typedef charT value_type; typedef charT* pointer; typedef const charT* const_pointer; typedef charT& reference; typedef const charT& const_reference; typedef implementation-defined const_iterator; typedef const_iterator iterator; typedef reverse_iterator const_reverse_iterator; typedef const_reverse_iterator reverse_iterator; typedef size_t size_type; typedef ptrdiff_t difference_type; static constexpr size_type npos = size_type(-1); // 7.3, basic_string_view constructors and assignment operators constexpr basic_string_view() noexcept; constexpr basic_string_view(const basic_string_view&) noexcept = default; basic_string_view& operator=(const basic_string_view&) noexcept = default; template basic_string_view(const basic_string& str) noexcept; constexpr basic_string_view(const charT* str); constexpr basic_string_view(const charT* str, size_type len); // 7.4, basic_string_view iterator support constexpr const_iterator begin() const noexcept; constexpr const_iterator end() const noexcept; constexpr const_iterator cbegin() const noexcept; constexpr const_iterator cend() const noexcept; const_reverse_iterator rbegin() const noexcept; const_reverse_iterator rend() const noexcept; const_reverse_iterator crbegin() const noexcept; const_reverse_iterator crend() const noexcept; // 7.5, basic_string_view capacity constexpr size_type size() const noexcept; constexpr size_type length() const noexcept; constexpr size_type max_size() const noexcept; constexpr bool empty() const noexcept; // 7.6, basic_string_view element access constexpr const_reference operator[](size_type pos) const; constexpr const_reference at(size_type pos) const; constexpr const_reference front() const; constexpr const_reference back() const; constexpr const_pointer data() const noexcept; // 7.7, basic_string_view modifiers constexpr void clear() noexcept; constexpr void remove_prefix(size_type n); constexpr void remove_suffix(size_type n); constexpr void swap(basic_string_view& s) noexcept; // 7.8, basic_string_view string operations template explicit operator basic_string() const; template> basic_string to_string( const Allocator& a = Allocator()) const; size_type copy(charT* s, size_type n, size_type pos = 0) const; constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; constexpr int compare(basic_string_view s) const noexcept; constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; constexpr int compare(size_type pos1, size_type n1, basic_string_view s, size_type pos2, size_type n2) const; constexpr int compare(const charT* s) const; constexpr int compare(size_type pos1, size_type n1, const charT* s) const; constexpr int compare(size_type pos1, size_type n1, const charT* s, size_type n2) const; constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; constexpr size_type find(charT c, size_type pos = 0) const noexcept; constexpr size_type find(const charT* s, size_type pos, size_type n) const; constexpr size_type find(const charT* s, size_type pos = 0) const; constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; constexpr size_type rfind(const charT* s, size_type pos, size_type n) const; constexpr size_type rfind(const charT* s, size_type pos = npos) const; constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const; constexpr size_type find_first_of(const charT* s, size_type pos = 0) const; constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const; constexpr size_type find_last_of(const charT* s, size_type pos = npos) const; constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const; constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const; constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const; constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const; private: const_pointer data_; // exposition only size_type size_; // exposition only }; } // namespace fundamentals_v1 } // namespace experimental // 7.11, Hash support template struct hash; template <> struct hash; template <> struct hash; template <> struct hash; template <> struct hash; } // namespace std */ #include #include #include #include #include #include #include #include <__debug> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_LFTS template > class _LIBCPP_TEMPLATE_VIS basic_string_view { public: // types typedef _Traits traits_type; typedef _CharT value_type; typedef const _CharT* pointer; typedef const _CharT* const_pointer; typedef const _CharT& reference; typedef const _CharT& const_reference; typedef const_pointer const_iterator; // See [string.view.iterators] typedef const_iterator iterator; typedef _VSTD::reverse_iterator const_reverse_iterator; typedef const_reverse_iterator reverse_iterator; typedef size_t size_type; typedef ptrdiff_t difference_type; static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); // [string.view.cons], construct/copy _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {} _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY basic_string_view(const basic_string_view&) _NOEXCEPT = default; _LIBCPP_INLINE_VISIBILITY basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; template _LIBCPP_INLINE_VISIBILITY basic_string_view(const basic_string<_CharT, _Traits, _Allocator>& __str) _NOEXCEPT : __data (__str.data()), __size(__str.size()) {} _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY basic_string_view(const _CharT* __s, size_type __len) : __data(__s), __size(__len) { // _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr"); } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY basic_string_view(const _CharT* __s) : __data(__s), __size(_Traits::length(__s)) {} // [string.view.iterators], iterators _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_iterator begin() const _NOEXCEPT { return cbegin(); } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_iterator end() const _NOEXCEPT { return cend(); } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_iterator cbegin() const _NOEXCEPT { return __data; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_iterator cend() const _NOEXCEPT { return __data + __size; } _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); } _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); } // [string.view.capacity], capacity _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY size_type size() const _NOEXCEPT { return __size; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY size_type length() const _NOEXCEPT { return __size; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT { return _VSTD::numeric_limits::max(); } _LIBCPP_CONSTEXPR bool _LIBCPP_INLINE_VISIBILITY empty() const _NOEXCEPT { return __size == 0; } // [string.view.access], element access _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __pos) const { return __data[__pos]; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_reference at(size_type __pos) const { return __pos >= size() ? (__throw_out_of_range("string_view::at"), __data[0]) : __data[__pos]; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_reference front() const { return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_reference back() const { return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1]; } _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY const_pointer data() const _NOEXCEPT { return __data; } // [string.view.modifiers], modifiers: _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY void clear() _NOEXCEPT { __data = nullptr; __size = 0; } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY void remove_prefix(size_type __n) _NOEXCEPT { _LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); __data += __n; __size -= __n; } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY void remove_suffix(size_type __n) _NOEXCEPT { _LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); __size -= __n; } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY void swap(basic_string_view& __other) _NOEXCEPT { const value_type *__p = __data; __data = __other.__data; __other.__data = __p; size_type __sz = __size; __size = __other.__size; __other.__size = __sz; // _VSTD::swap( __data, __other.__data ); // _VSTD::swap( __size, __other.__size ); } // [string.view.ops], string operations: template _LIBCPP_INLINE_VISIBILITY - // Clang's extended C++11 explict conversions don't work with - // string_view in C++03. -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_EXPLICIT -#endif - operator basic_string<_CharT, _Traits, _Allocator>() const + _LIBCPP_EXPLICIT operator basic_string<_CharT, _Traits, _Allocator>() const { return basic_string<_CharT, _Traits, _Allocator>( begin(), end()); } template > _LIBCPP_INLINE_VISIBILITY basic_string<_CharT, _Traits, _Allocator> to_string( const _Allocator& __a = _Allocator()) const { return basic_string<_CharT, _Traits, _Allocator> ( begin(), end(), __a ); } size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const { if ( __pos > size()) __throw_out_of_range("string_view::copy"); size_type __rlen = _VSTD::min( __n, size() - __pos ); _VSTD::copy_n(begin() + __pos, __rlen, __s ); return __rlen; } _LIBCPP_CONSTEXPR basic_string_view substr(size_type __pos = 0, size_type __n = npos) const { // if (__pos > size()) // __throw_out_of_range("string_view::substr"); // size_type __rlen = _VSTD::min( __n, size() - __pos ); // return basic_string_view(data() + __pos, __rlen); return __pos > size() ? (__throw_out_of_range("string_view::substr"), basic_string_view()) : basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); } _LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT { size_type __rlen = _VSTD::min( size(), __sv.size()); int __retval = _Traits::compare(data(), __sv.data(), __rlen); if ( __retval == 0 ) // first __rlen chars matched __retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 ); return __retval; } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const { return substr(__pos1, __n1).compare(__sv); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY int compare( size_type __pos1, size_type __n1, basic_string_view _sv, size_type __pos2, size_type __n2) const { return substr(__pos1, __n1).compare(_sv.substr(__pos2, __n2)); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY int compare(const _CharT* __s) const { return compare(basic_string_view(__s)); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY int compare(size_type __pos1, size_type __n1, const _CharT* __s) const { return substr(__pos1, __n1).compare(basic_string_view(__s)); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const { return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); } // find _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); return _VSTD::__str_find (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT { return _VSTD::__str_find (data(), size(), __c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr"); return _VSTD::__str_find (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find(const _CharT* __s, size_type __pos = 0) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr"); return _VSTD::__str_find (data(), size(), __s, __pos, traits_type::length(__s)); } // rfind _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr"); return _VSTD::__str_rfind (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT { return _VSTD::__str_rfind (data(), size(), __c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr"); return _VSTD::__str_rfind (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type rfind(const _CharT* __s, size_type __pos=npos) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr"); return _VSTD::__str_rfind (data(), size(), __s, __pos, traits_type::length(__s)); } // find_first_of _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr"); return _VSTD::__str_find_first_of (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT { return find(__c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr"); return _VSTD::__str_find_first_of (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_of(const _CharT* __s, size_type __pos=0) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr"); return _VSTD::__str_find_first_of (data(), size(), __s, __pos, traits_type::length(__s)); } // find_last_of _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr"); return _VSTD::__str_find_last_of (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT { return rfind(__c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr"); return _VSTD::__str_find_last_of (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_of(const _CharT* __s, size_type __pos=npos) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr"); return _VSTD::__str_find_last_of (data(), size(), __s, __pos, traits_type::length(__s)); } // find_first_not_of _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr"); return _VSTD::__str_find_first_not_of (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT { return _VSTD::__str_find_first_not_of (data(), size(), __c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr"); return _VSTD::__str_find_first_not_of (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr"); return _VSTD::__str_find_first_not_of (data(), size(), __s, __pos, traits_type::length(__s)); } // find_last_not_of _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT { _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr"); return _VSTD::__str_find_last_not_of (data(), size(), __s.data(), __pos, __s.size()); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT { return _VSTD::__str_find_last_not_of (data(), size(), __c, __pos); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const { _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr"); return _VSTD::__str_find_last_not_of (data(), size(), __s, __pos, __n); } _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const { _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr"); return _VSTD::__str_find_last_not_of (data(), size(), __s, __pos, traits_type::length(__s)); } private: const value_type* __data; size_type __size; }; // [string.view.comparison] // operator == template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator==(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return false; return __lhs.compare(__rhs) == 0; } // operator != template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator!=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { if ( __lhs.size() != __rhs.size()) return true; return __lhs.compare(__rhs) != 0; } // operator < template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) < 0; } // operator > template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) > 0; } // operator <= template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator<=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) <= 0; } // operator >= template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(basic_string_view<_CharT, _Traits> __lhs, typename _VSTD::common_type >::type __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } template _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY bool operator>=(typename _VSTD::common_type >::type __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT { return __lhs.compare(__rhs) >= 0; } // [string.view.io] template basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __sv) { return _VSTD::__put_character_sequence(__os, __sv.data(), __sv.size()); } typedef basic_string_view string_view; typedef basic_string_view u16string_view; typedef basic_string_view u32string_view; typedef basic_string_view wstring_view; _LIBCPP_END_NAMESPACE_LFTS _LIBCPP_BEGIN_NAMESPACE_STD // [string.view.hash] // Shamelessly stolen from template struct _LIBCPP_TEMPLATE_VIS hash > : public unary_function, size_t> { size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT; }; template size_t hash >::operator()( const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT { return __do_string_hash(__val.data(), __val.data() + __val.size()); } #if _LIBCPP_STD_VER > 11 template __quoted_output_proxy<_CharT, const _CharT *, _Traits> quoted ( std::experimental::basic_string_view <_CharT, _Traits> __sv, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\')) { return __quoted_output_proxy<_CharT, const _CharT *, _Traits> ( __sv.data(), __sv.data() + __sv.size(), __delim, __escape ); } #endif _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_LFTS_STRING_VIEW Index: vendor/libc++/dist/include/ios =================================================================== --- vendor/libc++/dist/include/ios (revision 312178) +++ vendor/libc++/dist/include/ios (revision 312179) @@ -1,1028 +1,1042 @@ // -*- C++ -*- //===---------------------------- ios -------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_IOS #define _LIBCPP_IOS /* ios synopsis #include namespace std { typedef OFF_T streamoff; typedef SZ_T streamsize; template class fpos; class ios_base { public: class failure; typedef T1 fmtflags; static constexpr fmtflags boolalpha; static constexpr fmtflags dec; static constexpr fmtflags fixed; static constexpr fmtflags hex; static constexpr fmtflags internal; static constexpr fmtflags left; static constexpr fmtflags oct; static constexpr fmtflags right; static constexpr fmtflags scientific; static constexpr fmtflags showbase; static constexpr fmtflags showpoint; static constexpr fmtflags showpos; static constexpr fmtflags skipws; static constexpr fmtflags unitbuf; static constexpr fmtflags uppercase; static constexpr fmtflags adjustfield; static constexpr fmtflags basefield; static constexpr fmtflags floatfield; typedef T2 iostate; static constexpr iostate badbit; static constexpr iostate eofbit; static constexpr iostate failbit; static constexpr iostate goodbit; typedef T3 openmode; static constexpr openmode app; static constexpr openmode ate; static constexpr openmode binary; static constexpr openmode in; static constexpr openmode out; static constexpr openmode trunc; typedef T4 seekdir; static constexpr seekdir beg; static constexpr seekdir cur; static constexpr seekdir end; class Init; // 27.5.2.2 fmtflags state: fmtflags flags() const; fmtflags flags(fmtflags fmtfl); fmtflags setf(fmtflags fmtfl); fmtflags setf(fmtflags fmtfl, fmtflags mask); void unsetf(fmtflags mask); streamsize precision() const; streamsize precision(streamsize prec); streamsize width() const; streamsize width(streamsize wide); // 27.5.2.3 locales: locale imbue(const locale& loc); locale getloc() const; // 27.5.2.5 storage: static int xalloc(); long& iword(int index); void*& pword(int index); // destructor virtual ~ios_base(); // 27.5.2.6 callbacks; enum event { erase_event, imbue_event, copyfmt_event }; typedef void (*event_callback)(event, ios_base&, int index); void register_callback(event_callback fn, int index); ios_base(const ios_base&) = delete; ios_base& operator=(const ios_base&) = delete; static bool sync_with_stdio(bool sync = true); protected: ios_base(); }; template > class basic_ios : public ios_base { public: // types: typedef charT char_type; typedef typename traits::int_type int_type; // removed in C++17 typedef typename traits::pos_type pos_type; // removed in C++17 typedef typename traits::off_type off_type; // removed in C++17 typedef traits traits_type; operator unspecified-bool-type() const; bool operator!() const; iostate rdstate() const; void clear(iostate state = goodbit); void setstate(iostate state); bool good() const; bool eof() const; bool fail() const; bool bad() const; iostate exceptions() const; void exceptions(iostate except); // 27.5.4.1 Constructor/destructor: explicit basic_ios(basic_streambuf* sb); virtual ~basic_ios(); // 27.5.4.2 Members: basic_ostream* tie() const; basic_ostream* tie(basic_ostream* tiestr); basic_streambuf* rdbuf() const; basic_streambuf* rdbuf(basic_streambuf* sb); basic_ios& copyfmt(const basic_ios& rhs); char_type fill() const; char_type fill(char_type ch); locale imbue(const locale& loc); char narrow(char_type c, char dfault) const; char_type widen(char c) const; basic_ios(const basic_ios& ) = delete; basic_ios& operator=(const basic_ios&) = delete; protected: basic_ios(); void init(basic_streambuf* sb); void move(basic_ios& rhs); void swap(basic_ios& rhs) noexcept; void set_rdbuf(basic_streambuf* sb); }; // 27.5.5, manipulators: ios_base& boolalpha (ios_base& str); ios_base& noboolalpha(ios_base& str); ios_base& showbase (ios_base& str); ios_base& noshowbase (ios_base& str); ios_base& showpoint (ios_base& str); ios_base& noshowpoint(ios_base& str); ios_base& showpos (ios_base& str); ios_base& noshowpos (ios_base& str); ios_base& skipws (ios_base& str); ios_base& noskipws (ios_base& str); ios_base& uppercase (ios_base& str); ios_base& nouppercase(ios_base& str); ios_base& unitbuf (ios_base& str); ios_base& nounitbuf (ios_base& str); // 27.5.5.2 adjustfield: ios_base& internal (ios_base& str); ios_base& left (ios_base& str); ios_base& right (ios_base& str); // 27.5.5.3 basefield: ios_base& dec (ios_base& str); ios_base& hex (ios_base& str); ios_base& oct (ios_base& str); // 27.5.5.4 floatfield: ios_base& fixed (ios_base& str); ios_base& scientific (ios_base& str); ios_base& hexfloat (ios_base& str); ios_base& defaultfloat(ios_base& str); // 27.5.5.5 error reporting: enum class io_errc { stream = 1 }; concept_map ErrorCodeEnum { }; error_code make_error_code(io_errc e) noexcept; error_condition make_error_condition(io_errc e) noexcept; storage-class-specifier const error_category& iostream_category() noexcept; } // std */ #include <__config> #include #include <__locale> #include #if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER) #include // for __xindex_ #endif #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD typedef ptrdiff_t streamsize; class _LIBCPP_TYPE_VIS ios_base { public: class _LIBCPP_EXCEPTION_ABI failure; typedef unsigned int fmtflags; static const fmtflags boolalpha = 0x0001; static const fmtflags dec = 0x0002; static const fmtflags fixed = 0x0004; static const fmtflags hex = 0x0008; static const fmtflags internal = 0x0010; static const fmtflags left = 0x0020; static const fmtflags oct = 0x0040; static const fmtflags right = 0x0080; static const fmtflags scientific = 0x0100; static const fmtflags showbase = 0x0200; static const fmtflags showpoint = 0x0400; static const fmtflags showpos = 0x0800; static const fmtflags skipws = 0x1000; static const fmtflags unitbuf = 0x2000; static const fmtflags uppercase = 0x4000; static const fmtflags adjustfield = left | right | internal; static const fmtflags basefield = dec | oct | hex; static const fmtflags floatfield = scientific | fixed; typedef unsigned int iostate; static const iostate badbit = 0x1; static const iostate eofbit = 0x2; static const iostate failbit = 0x4; static const iostate goodbit = 0x0; typedef unsigned int openmode; static const openmode app = 0x01; static const openmode ate = 0x02; static const openmode binary = 0x04; static const openmode in = 0x08; static const openmode out = 0x10; static const openmode trunc = 0x20; enum seekdir {beg, cur, end}; #if _LIBCPP_STD_VER <= 14 typedef iostate io_state; typedef openmode open_mode; typedef seekdir seek_dir; typedef _VSTD::streamoff streamoff; typedef _VSTD::streampos streampos; #endif class _LIBCPP_TYPE_VIS Init; // 27.5.2.2 fmtflags state: _LIBCPP_INLINE_VISIBILITY fmtflags flags() const; _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl); _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl); _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask); _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask); _LIBCPP_INLINE_VISIBILITY streamsize precision() const; _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec); _LIBCPP_INLINE_VISIBILITY streamsize width() const; _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide); // 27.5.2.3 locales: locale imbue(const locale& __loc); locale getloc() const; // 27.5.2.5 storage: static int xalloc(); long& iword(int __index); void*& pword(int __index); // destructor virtual ~ios_base(); // 27.5.2.6 callbacks; enum event { erase_event, imbue_event, copyfmt_event }; typedef void (*event_callback)(event, ios_base&, int __index); void register_callback(event_callback __fn, int __index); private: ios_base(const ios_base&); // = delete; ios_base& operator=(const ios_base&); // = delete; public: static bool sync_with_stdio(bool __sync = true); _LIBCPP_INLINE_VISIBILITY iostate rdstate() const; void clear(iostate __state = goodbit); _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state); _LIBCPP_INLINE_VISIBILITY bool good() const; _LIBCPP_INLINE_VISIBILITY bool eof() const; _LIBCPP_INLINE_VISIBILITY bool fail() const; _LIBCPP_INLINE_VISIBILITY bool bad() const; _LIBCPP_INLINE_VISIBILITY iostate exceptions() const; _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate); void __set_badbit_and_consider_rethrow(); void __set_failbit_and_consider_rethrow(); protected: _LIBCPP_INLINE_VISIBILITY ios_base() {// purposefully does no initialization } void init(void* __sb); _LIBCPP_ALWAYS_INLINE void* rdbuf() const {return __rdbuf_;} _LIBCPP_ALWAYS_INLINE void rdbuf(void* __sb) { __rdbuf_ = __sb; clear(); } void __call_callbacks(event); void copyfmt(const ios_base&); void move(ios_base&); void swap(ios_base&) _NOEXCEPT; _LIBCPP_ALWAYS_INLINE void set_rdbuf(void* __sb) { __rdbuf_ = __sb; } private: // All data members must be scalars fmtflags __fmtflags_; streamsize __precision_; streamsize __width_; iostate __rdstate_; iostate __exceptions_; void* __rdbuf_; void* __loc_; event_callback* __fn_; int* __index_; size_t __event_size_; size_t __event_cap_; // TODO(EricWF): Enable this for both Clang and GCC. Currently it is only // enabled with clang. #if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS) static atomic __xindex_; #else static int __xindex_; #endif long* __iarray_; size_t __iarray_size_; size_t __iarray_cap_; void** __parray_; size_t __parray_size_; size_t __parray_cap_; }; //enum class io_errc _LIBCPP_DECLARE_STRONG_ENUM(io_errc) { stream = 1 }; _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc) template <> struct _LIBCPP_TEMPLATE_VIS is_error_code_enum : public true_type { }; #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS template <> struct _LIBCPP_TEMPLATE_VIS is_error_code_enum : public true_type { }; #endif _LIBCPP_FUNC_VIS const error_category& iostream_category() _NOEXCEPT; inline _LIBCPP_INLINE_VISIBILITY error_code make_error_code(io_errc __e) _NOEXCEPT { return error_code(static_cast(__e), iostream_category()); } inline _LIBCPP_INLINE_VISIBILITY error_condition make_error_condition(io_errc __e) _NOEXCEPT { return error_condition(static_cast(__e), iostream_category()); } class _LIBCPP_EXCEPTION_ABI ios_base::failure : public system_error { public: explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); virtual ~failure() throw(); }; class _LIBCPP_TYPE_VIS ios_base::Init { public: Init(); ~Init(); }; // fmtflags inline _LIBCPP_INLINE_VISIBILITY ios_base::fmtflags ios_base::flags() const { return __fmtflags_; } inline _LIBCPP_INLINE_VISIBILITY ios_base::fmtflags ios_base::flags(fmtflags __fmtfl) { fmtflags __r = __fmtflags_; __fmtflags_ = __fmtfl; return __r; } inline _LIBCPP_INLINE_VISIBILITY ios_base::fmtflags ios_base::setf(fmtflags __fmtfl) { fmtflags __r = __fmtflags_; __fmtflags_ |= __fmtfl; return __r; } inline _LIBCPP_INLINE_VISIBILITY void ios_base::unsetf(fmtflags __mask) { __fmtflags_ &= ~__mask; } inline _LIBCPP_INLINE_VISIBILITY ios_base::fmtflags ios_base::setf(fmtflags __fmtfl, fmtflags __mask) { fmtflags __r = __fmtflags_; unsetf(__mask); __fmtflags_ |= __fmtfl & __mask; return __r; } // precision inline _LIBCPP_INLINE_VISIBILITY streamsize ios_base::precision() const { return __precision_; } inline _LIBCPP_INLINE_VISIBILITY streamsize ios_base::precision(streamsize __prec) { streamsize __r = __precision_; __precision_ = __prec; return __r; } // width inline _LIBCPP_INLINE_VISIBILITY streamsize ios_base::width() const { return __width_; } inline _LIBCPP_INLINE_VISIBILITY streamsize ios_base::width(streamsize __wide) { streamsize __r = __width_; __width_ = __wide; return __r; } // iostate inline _LIBCPP_INLINE_VISIBILITY ios_base::iostate ios_base::rdstate() const { return __rdstate_; } inline _LIBCPP_INLINE_VISIBILITY void ios_base::setstate(iostate __state) { clear(__rdstate_ | __state); } inline _LIBCPP_INLINE_VISIBILITY bool ios_base::good() const { return __rdstate_ == 0; } inline _LIBCPP_INLINE_VISIBILITY bool ios_base::eof() const { return (__rdstate_ & eofbit) != 0; } inline _LIBCPP_INLINE_VISIBILITY bool ios_base::fail() const { return (__rdstate_ & (failbit | badbit)) != 0; } inline _LIBCPP_INLINE_VISIBILITY bool ios_base::bad() const { return (__rdstate_ & badbit) != 0; } inline _LIBCPP_INLINE_VISIBILITY ios_base::iostate ios_base::exceptions() const { return __exceptions_; } inline _LIBCPP_INLINE_VISIBILITY void ios_base::exceptions(iostate __iostate) { __exceptions_ = __iostate; clear(__rdstate_); } +#if defined(_LIBCPP_CXX03_LANG) +struct _LIBCPP_TYPE_VIS __cxx03_bool { + typedef void (__cxx03_bool::*__bool_type)(); + void __true_value() {} +}; +#endif + template class _LIBCPP_TEMPLATE_VIS basic_ios : public ios_base { public: // types: typedef _CharT char_type; typedef _Traits traits_type; typedef typename traits_type::int_type int_type; typedef typename traits_type::pos_type pos_type; typedef typename traits_type::off_type off_type; +#if defined(_LIBCPP_CXX03_LANG) _LIBCPP_ALWAYS_INLINE + operator __cxx03_bool::__bool_type() const { + return !fail() ? &__cxx03_bool::__true_value : nullptr; + } +#else + _LIBCPP_ALWAYS_INLINE _LIBCPP_EXPLICIT operator bool() const {return !fail();} +#endif _LIBCPP_ALWAYS_INLINE bool operator!() const {return fail();} _LIBCPP_ALWAYS_INLINE iostate rdstate() const {return ios_base::rdstate();} _LIBCPP_ALWAYS_INLINE void clear(iostate __state = goodbit) {ios_base::clear(__state);} _LIBCPP_ALWAYS_INLINE void setstate(iostate __state) {ios_base::setstate(__state);} _LIBCPP_ALWAYS_INLINE bool good() const {return ios_base::good();} _LIBCPP_ALWAYS_INLINE bool eof() const {return ios_base::eof();} _LIBCPP_ALWAYS_INLINE bool fail() const {return ios_base::fail();} _LIBCPP_ALWAYS_INLINE bool bad() const {return ios_base::bad();} _LIBCPP_ALWAYS_INLINE iostate exceptions() const {return ios_base::exceptions();} _LIBCPP_ALWAYS_INLINE void exceptions(iostate __iostate) {ios_base::exceptions(__iostate);} // 27.5.4.1 Constructor/destructor: _LIBCPP_INLINE_VISIBILITY explicit basic_ios(basic_streambuf* __sb); virtual ~basic_ios(); // 27.5.4.2 Members: _LIBCPP_INLINE_VISIBILITY basic_ostream* tie() const; _LIBCPP_INLINE_VISIBILITY basic_ostream* tie(basic_ostream* __tiestr); _LIBCPP_INLINE_VISIBILITY basic_streambuf* rdbuf() const; _LIBCPP_INLINE_VISIBILITY basic_streambuf* rdbuf(basic_streambuf* __sb); basic_ios& copyfmt(const basic_ios& __rhs); _LIBCPP_INLINE_VISIBILITY char_type fill() const; _LIBCPP_INLINE_VISIBILITY char_type fill(char_type __ch); _LIBCPP_INLINE_VISIBILITY locale imbue(const locale& __loc); _LIBCPP_INLINE_VISIBILITY char narrow(char_type __c, char __dfault) const; _LIBCPP_INLINE_VISIBILITY char_type widen(char __c) const; protected: _LIBCPP_ALWAYS_INLINE basic_ios() {// purposefully does no initialization } _LIBCPP_INLINE_VISIBILITY void init(basic_streambuf* __sb); _LIBCPP_INLINE_VISIBILITY void move(basic_ios& __rhs); #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_ALWAYS_INLINE void move(basic_ios&& __rhs) {move(__rhs);} #endif _LIBCPP_INLINE_VISIBILITY void swap(basic_ios& __rhs) _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY void set_rdbuf(basic_streambuf* __sb); private: basic_ostream* __tie_; mutable int_type __fill_; }; template inline _LIBCPP_INLINE_VISIBILITY basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf* __sb) { init(__sb); } template basic_ios<_CharT, _Traits>::~basic_ios() { } template inline _LIBCPP_INLINE_VISIBILITY void basic_ios<_CharT, _Traits>::init(basic_streambuf* __sb) { ios_base::init(__sb); __tie_ = 0; __fill_ = traits_type::eof(); } template inline _LIBCPP_INLINE_VISIBILITY basic_ostream<_CharT, _Traits>* basic_ios<_CharT, _Traits>::tie() const { return __tie_; } template inline _LIBCPP_INLINE_VISIBILITY basic_ostream<_CharT, _Traits>* basic_ios<_CharT, _Traits>::tie(basic_ostream* __tiestr) { basic_ostream* __r = __tie_; __tie_ = __tiestr; return __r; } template inline _LIBCPP_INLINE_VISIBILITY basic_streambuf<_CharT, _Traits>* basic_ios<_CharT, _Traits>::rdbuf() const { return static_cast*>(ios_base::rdbuf()); } template inline _LIBCPP_INLINE_VISIBILITY basic_streambuf<_CharT, _Traits>* basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf* __sb) { basic_streambuf* __r = rdbuf(); ios_base::rdbuf(__sb); return __r; } template inline _LIBCPP_INLINE_VISIBILITY locale basic_ios<_CharT, _Traits>::imbue(const locale& __loc) { locale __r = getloc(); ios_base::imbue(__loc); if (rdbuf()) rdbuf()->pubimbue(__loc); return __r; } template inline _LIBCPP_INLINE_VISIBILITY char basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const { return use_facet >(getloc()).narrow(__c, __dfault); } template inline _LIBCPP_INLINE_VISIBILITY _CharT basic_ios<_CharT, _Traits>::widen(char __c) const { return use_facet >(getloc()).widen(__c); } template inline _LIBCPP_INLINE_VISIBILITY _CharT basic_ios<_CharT, _Traits>::fill() const { if (traits_type::eq_int_type(traits_type::eof(), __fill_)) __fill_ = widen(' '); return __fill_; } template inline _LIBCPP_INLINE_VISIBILITY _CharT basic_ios<_CharT, _Traits>::fill(char_type __ch) { char_type __r = __fill_; __fill_ = __ch; return __r; } template basic_ios<_CharT, _Traits>& basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) { if (this != &__rhs) { __call_callbacks(erase_event); ios_base::copyfmt(__rhs); __tie_ = __rhs.__tie_; __fill_ = __rhs.__fill_; __call_callbacks(copyfmt_event); exceptions(__rhs.exceptions()); } return *this; } template inline _LIBCPP_INLINE_VISIBILITY void basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) { ios_base::move(__rhs); __tie_ = __rhs.__tie_; __rhs.__tie_ = 0; __fill_ = __rhs.__fill_; } template inline _LIBCPP_INLINE_VISIBILITY void basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT { ios_base::swap(__rhs); _VSTD::swap(__tie_, __rhs.__tie_); _VSTD::swap(__fill_, __rhs.__fill_); } template inline _LIBCPP_INLINE_VISIBILITY void basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf* __sb) { ios_base::set_rdbuf(__sb); } inline _LIBCPP_INLINE_VISIBILITY ios_base& boolalpha(ios_base& __str) { __str.setf(ios_base::boolalpha); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& noboolalpha(ios_base& __str) { __str.unsetf(ios_base::boolalpha); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& showbase(ios_base& __str) { __str.setf(ios_base::showbase); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& noshowbase(ios_base& __str) { __str.unsetf(ios_base::showbase); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& showpoint(ios_base& __str) { __str.setf(ios_base::showpoint); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& noshowpoint(ios_base& __str) { __str.unsetf(ios_base::showpoint); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& showpos(ios_base& __str) { __str.setf(ios_base::showpos); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& noshowpos(ios_base& __str) { __str.unsetf(ios_base::showpos); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& skipws(ios_base& __str) { __str.setf(ios_base::skipws); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& noskipws(ios_base& __str) { __str.unsetf(ios_base::skipws); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& uppercase(ios_base& __str) { __str.setf(ios_base::uppercase); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& nouppercase(ios_base& __str) { __str.unsetf(ios_base::uppercase); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& unitbuf(ios_base& __str) { __str.setf(ios_base::unitbuf); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& nounitbuf(ios_base& __str) { __str.unsetf(ios_base::unitbuf); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& internal(ios_base& __str) { __str.setf(ios_base::internal, ios_base::adjustfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& left(ios_base& __str) { __str.setf(ios_base::left, ios_base::adjustfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& right(ios_base& __str) { __str.setf(ios_base::right, ios_base::adjustfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& dec(ios_base& __str) { __str.setf(ios_base::dec, ios_base::basefield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& hex(ios_base& __str) { __str.setf(ios_base::hex, ios_base::basefield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& oct(ios_base& __str) { __str.setf(ios_base::oct, ios_base::basefield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& fixed(ios_base& __str) { __str.setf(ios_base::fixed, ios_base::floatfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& scientific(ios_base& __str) { __str.setf(ios_base::scientific, ios_base::floatfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& hexfloat(ios_base& __str) { __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); return __str; } inline _LIBCPP_INLINE_VISIBILITY ios_base& defaultfloat(ios_base& __str) { __str.unsetf(ios_base::floatfield); return __str; } template class __save_flags { typedef basic_ios<_CharT, _Traits> __stream_type; typedef typename __stream_type::fmtflags fmtflags; __stream_type& __stream_; fmtflags __fmtflags_; _CharT __fill_; __save_flags(const __save_flags&); __save_flags& operator=(const __save_flags&); public: _LIBCPP_INLINE_VISIBILITY explicit __save_flags(__stream_type& __stream) : __stream_(__stream), __fmtflags_(__stream.flags()), __fill_(__stream.fill()) {} _LIBCPP_INLINE_VISIBILITY ~__save_flags() { __stream_.flags(__fmtflags_); __stream_.fill(__fill_); } }; _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_IOS Index: vendor/libc++/dist/include/memory =================================================================== --- vendor/libc++/dist/include/memory (revision 312178) +++ vendor/libc++/dist/include/memory (revision 312179) @@ -1,5741 +1,5744 @@ // -*- C++ -*- //===-------------------------- memory ------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_MEMORY #define _LIBCPP_MEMORY /* memory synopsis namespace std { struct allocator_arg_t { }; constexpr allocator_arg_t allocator_arg = allocator_arg_t(); template struct uses_allocator; template struct pointer_traits { typedef Ptr pointer; typedef
element_type; typedef
difference_type; template using rebind =
; static pointer pointer_to(
); }; template struct pointer_traits { typedef T* pointer; typedef T element_type; typedef ptrdiff_t difference_type; template using rebind = U*; static pointer pointer_to(
) noexcept; }; template struct allocator_traits { typedef Alloc allocator_type; typedef typename allocator_type::value_type value_type; typedef Alloc::pointer | value_type* pointer; typedef Alloc::const_pointer | pointer_traits::rebind const_pointer; typedef Alloc::void_pointer | pointer_traits::rebind void_pointer; typedef Alloc::const_void_pointer | pointer_traits::rebind const_void_pointer; typedef Alloc::difference_type | pointer_traits::difference_type difference_type; typedef Alloc::size_type | make_unsigned::type size_type; typedef Alloc::propagate_on_container_copy_assignment | false_type propagate_on_container_copy_assignment; typedef Alloc::propagate_on_container_move_assignment | false_type propagate_on_container_move_assignment; typedef Alloc::propagate_on_container_swap | false_type propagate_on_container_swap; typedef Alloc::is_always_equal | is_empty is_always_equal; template using rebind_alloc = Alloc::rebind::other | Alloc; template using rebind_traits = allocator_traits>; static pointer allocate(allocator_type& a, size_type n); static pointer allocate(allocator_type& a, size_type n, const_void_pointer hint); static void deallocate(allocator_type& a, pointer p, size_type n) noexcept; template static void construct(allocator_type& a, T* p, Args&&... args); template static void destroy(allocator_type& a, T* p); static size_type max_size(const allocator_type& a); // noexcept in C++14 static allocator_type select_on_container_copy_construction(const allocator_type& a); }; template <> class allocator { public: typedef void* pointer; typedef const void* const_pointer; typedef void value_type; template struct rebind {typedef allocator<_Up> other;}; }; template class allocator { public: typedef size_t size_type; typedef ptrdiff_t difference_type; typedef T* pointer; typedef const T* const_pointer; typedef typename add_lvalue_reference::type reference; typedef typename add_lvalue_reference::type const_reference; typedef T value_type; template struct rebind {typedef allocator other;}; allocator() noexcept; allocator(const allocator&) noexcept; template allocator(const allocator&) noexcept; ~allocator(); pointer address(reference x) const noexcept; const_pointer address(const_reference x) const noexcept; pointer allocate(size_type, allocator::const_pointer hint = 0); void deallocate(pointer p, size_type n) noexcept; size_type max_size() const noexcept; template void construct(U* p, Args&&... args); template void destroy(U* p); }; template bool operator==(const allocator&, const allocator&) noexcept; template bool operator!=(const allocator&, const allocator&) noexcept; template class raw_storage_iterator : public iterator // purposefully not C++03 { public: explicit raw_storage_iterator(OutputIterator x); raw_storage_iterator& operator*(); raw_storage_iterator& operator=(const T& element); raw_storage_iterator& operator++(); raw_storage_iterator operator++(int); }; template pair get_temporary_buffer(ptrdiff_t n) noexcept; template void return_temporary_buffer(T* p) noexcept; template T* addressof(T& r) noexcept; template T* addressof(const T&& r) noexcept = delete; template ForwardIterator uninitialized_copy(InputIterator first, InputIterator last, ForwardIterator result); template ForwardIterator uninitialized_copy_n(InputIterator first, Size n, ForwardIterator result); template void uninitialized_fill(ForwardIterator first, ForwardIterator last, const T& x); template ForwardIterator uninitialized_fill_n(ForwardIterator first, Size n, const T& x); template void destroy_at(T* location); template void destroy(ForwardIterator first, ForwardIterator last); template ForwardIterator destroy_n(ForwardIterator first, Size n); template ForwardIterator uninitialized_move(InputIterator first, InputIterator last, ForwardIterator result); template pair uninitialized_move_n(InputIterator first, Size n, ForwardIterator result); template void uninitialized_value_construct(ForwardIterator first, ForwardIterator last); template ForwardIterator uninitialized_value_construct_n(ForwardIterator first, Size n); template void uninitialized_default_construct(ForwardIterator first, ForwardIterator last); template ForwardIterator uninitialized_default_construct_n(ForwardIterator first, Size n); template struct auto_ptr_ref {}; template class auto_ptr { public: typedef X element_type; explicit auto_ptr(X* p =0) throw(); auto_ptr(auto_ptr&) throw(); template auto_ptr(auto_ptr&) throw(); auto_ptr& operator=(auto_ptr&) throw(); template auto_ptr& operator=(auto_ptr&) throw(); auto_ptr& operator=(auto_ptr_ref r) throw(); ~auto_ptr() throw(); typename add_lvalue_reference::type operator*() const throw(); X* operator->() const throw(); X* get() const throw(); X* release() throw(); void reset(X* p =0) throw(); auto_ptr(auto_ptr_ref) throw(); template operator auto_ptr_ref() throw(); template operator auto_ptr() throw(); }; template struct default_delete { constexpr default_delete() noexcept = default; template default_delete(const default_delete&) noexcept; void operator()(T*) const noexcept; }; template struct default_delete { constexpr default_delete() noexcept = default; void operator()(T*) const noexcept; template void operator()(U*) const = delete; }; template > class unique_ptr { public: typedef see below pointer; typedef T element_type; typedef D deleter_type; // constructors constexpr unique_ptr() noexcept; explicit unique_ptr(pointer p) noexcept; unique_ptr(pointer p, see below d1) noexcept; unique_ptr(pointer p, see below d2) noexcept; unique_ptr(unique_ptr&& u) noexcept; unique_ptr(nullptr_t) noexcept : unique_ptr() { } template unique_ptr(unique_ptr&& u) noexcept; template unique_ptr(auto_ptr&& u) noexcept; // destructor ~unique_ptr(); // assignment unique_ptr& operator=(unique_ptr&& u) noexcept; template unique_ptr& operator=(unique_ptr&& u) noexcept; unique_ptr& operator=(nullptr_t) noexcept; // observers typename add_lvalue_reference::type operator*() const; pointer operator->() const noexcept; pointer get() const noexcept; deleter_type& get_deleter() noexcept; const deleter_type& get_deleter() const noexcept; explicit operator bool() const noexcept; // modifiers pointer release() noexcept; void reset(pointer p = pointer()) noexcept; void swap(unique_ptr& u) noexcept; }; template class unique_ptr { public: typedef implementation-defined pointer; typedef T element_type; typedef D deleter_type; // constructors constexpr unique_ptr() noexcept; explicit unique_ptr(pointer p) noexcept; unique_ptr(pointer p, see below d) noexcept; unique_ptr(pointer p, see below d) noexcept; unique_ptr(unique_ptr&& u) noexcept; unique_ptr(nullptr_t) noexcept : unique_ptr() { } // destructor ~unique_ptr(); // assignment unique_ptr& operator=(unique_ptr&& u) noexcept; unique_ptr& operator=(nullptr_t) noexcept; // observers T& operator[](size_t i) const; pointer get() const noexcept; deleter_type& get_deleter() noexcept; const deleter_type& get_deleter() const noexcept; explicit operator bool() const noexcept; // modifiers pointer release() noexcept; void reset(pointer p = pointer()) noexcept; void reset(nullptr_t) noexcept; template void reset(U) = delete; void swap(unique_ptr& u) noexcept; }; template void swap(unique_ptr& x, unique_ptr& y) noexcept; template bool operator==(const unique_ptr& x, const unique_ptr& y); template bool operator!=(const unique_ptr& x, const unique_ptr& y); template bool operator<(const unique_ptr& x, const unique_ptr& y); template bool operator<=(const unique_ptr& x, const unique_ptr& y); template bool operator>(const unique_ptr& x, const unique_ptr& y); template bool operator>=(const unique_ptr& x, const unique_ptr& y); template bool operator==(const unique_ptr& x, nullptr_t) noexcept; template bool operator==(nullptr_t, const unique_ptr& y) noexcept; template bool operator!=(const unique_ptr& x, nullptr_t) noexcept; template bool operator!=(nullptr_t, const unique_ptr& y) noexcept; template bool operator<(const unique_ptr& x, nullptr_t); template bool operator<(nullptr_t, const unique_ptr& y); template bool operator<=(const unique_ptr& x, nullptr_t); template bool operator<=(nullptr_t, const unique_ptr& y); template bool operator>(const unique_ptr& x, nullptr_t); template bool operator>(nullptr_t, const unique_ptr& y); template bool operator>=(const unique_ptr& x, nullptr_t); template bool operator>=(nullptr_t, const unique_ptr& y); class bad_weak_ptr : public std::exception { bad_weak_ptr() noexcept; }; template unique_ptr make_unique(Args&&... args); // C++14 template unique_ptr make_unique(size_t n); // C++14 template unspecified make_unique(Args&&...) = delete; // C++14, T == U[N] template class shared_ptr { public: typedef T element_type; typedef weak_ptr weak_type; // C++17 // constructors: constexpr shared_ptr() noexcept; template explicit shared_ptr(Y* p); template shared_ptr(Y* p, D d); template shared_ptr(Y* p, D d, A a); template shared_ptr(nullptr_t p, D d); template shared_ptr(nullptr_t p, D d, A a); template shared_ptr(const shared_ptr& r, T *p) noexcept; shared_ptr(const shared_ptr& r) noexcept; template shared_ptr(const shared_ptr& r) noexcept; shared_ptr(shared_ptr&& r) noexcept; template shared_ptr(shared_ptr&& r) noexcept; template explicit shared_ptr(const weak_ptr& r); template shared_ptr(auto_ptr&& r); template shared_ptr(unique_ptr&& r); shared_ptr(nullptr_t) : shared_ptr() { } // destructor: ~shared_ptr(); // assignment: shared_ptr& operator=(const shared_ptr& r) noexcept; template shared_ptr& operator=(const shared_ptr& r) noexcept; shared_ptr& operator=(shared_ptr&& r) noexcept; template shared_ptr& operator=(shared_ptr&& r); template shared_ptr& operator=(auto_ptr&& r); template shared_ptr& operator=(unique_ptr&& r); // modifiers: void swap(shared_ptr& r) noexcept; void reset() noexcept; template void reset(Y* p); template void reset(Y* p, D d); template void reset(Y* p, D d, A a); // observers: T* get() const noexcept; T& operator*() const noexcept; T* operator->() const noexcept; long use_count() const noexcept; bool unique() const noexcept; explicit operator bool() const noexcept; template bool owner_before(shared_ptr const& b) const; template bool owner_before(weak_ptr const& b) const; }; // shared_ptr comparisons: template bool operator==(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator!=(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator<(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator>(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator<=(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator>=(shared_ptr const& a, shared_ptr const& b) noexcept; template bool operator==(const shared_ptr& x, nullptr_t) noexcept; template bool operator==(nullptr_t, const shared_ptr& y) noexcept; template bool operator!=(const shared_ptr& x, nullptr_t) noexcept; template bool operator!=(nullptr_t, const shared_ptr& y) noexcept; template bool operator<(const shared_ptr& x, nullptr_t) noexcept; template bool operator<(nullptr_t, const shared_ptr& y) noexcept; template bool operator<=(const shared_ptr& x, nullptr_t) noexcept; template bool operator<=(nullptr_t, const shared_ptr& y) noexcept; template bool operator>(const shared_ptr& x, nullptr_t) noexcept; template bool operator>(nullptr_t, const shared_ptr& y) noexcept; template bool operator>=(const shared_ptr& x, nullptr_t) noexcept; template bool operator>=(nullptr_t, const shared_ptr& y) noexcept; // shared_ptr specialized algorithms: template void swap(shared_ptr& a, shared_ptr& b) noexcept; // shared_ptr casts: template shared_ptr static_pointer_cast(shared_ptr const& r) noexcept; template shared_ptr dynamic_pointer_cast(shared_ptr const& r) noexcept; template shared_ptr const_pointer_cast(shared_ptr const& r) noexcept; // shared_ptr I/O: template basic_ostream& operator<< (basic_ostream& os, shared_ptr const& p); // shared_ptr get_deleter: template D* get_deleter(shared_ptr const& p) noexcept; template shared_ptr make_shared(Args&&... args); template shared_ptr allocate_shared(const A& a, Args&&... args); template class weak_ptr { public: typedef T element_type; // constructors constexpr weak_ptr() noexcept; template weak_ptr(shared_ptr const& r) noexcept; weak_ptr(weak_ptr const& r) noexcept; template weak_ptr(weak_ptr const& r) noexcept; weak_ptr(weak_ptr&& r) noexcept; // C++14 template weak_ptr(weak_ptr&& r) noexcept; // C++14 // destructor ~weak_ptr(); // assignment weak_ptr& operator=(weak_ptr const& r) noexcept; template weak_ptr& operator=(weak_ptr const& r) noexcept; template weak_ptr& operator=(shared_ptr const& r) noexcept; weak_ptr& operator=(weak_ptr&& r) noexcept; // C++14 template weak_ptr& operator=(weak_ptr&& r) noexcept; // C++14 // modifiers void swap(weak_ptr& r) noexcept; void reset() noexcept; // observers long use_count() const noexcept; bool expired() const noexcept; shared_ptr lock() const noexcept; template bool owner_before(shared_ptr const& b) const; template bool owner_before(weak_ptr const& b) const; }; // weak_ptr specialized algorithms: template void swap(weak_ptr& a, weak_ptr& b) noexcept; // class owner_less: template struct owner_less; template struct owner_less> : binary_function, shared_ptr, bool> { typedef bool result_type; bool operator()(shared_ptr const&, shared_ptr const&) const; bool operator()(shared_ptr const&, weak_ptr const&) const; bool operator()(weak_ptr const&, shared_ptr const&) const; }; template struct owner_less> : binary_function, weak_ptr, bool> { typedef bool result_type; bool operator()(weak_ptr const&, weak_ptr const&) const; bool operator()(shared_ptr const&, weak_ptr const&) const; bool operator()(weak_ptr const&, shared_ptr const&) const; }; template class enable_shared_from_this { protected: constexpr enable_shared_from_this() noexcept; enable_shared_from_this(enable_shared_from_this const&) noexcept; enable_shared_from_this& operator=(enable_shared_from_this const&) noexcept; ~enable_shared_from_this(); public: shared_ptr shared_from_this(); shared_ptr shared_from_this() const; }; template bool atomic_is_lock_free(const shared_ptr* p); template shared_ptr atomic_load(const shared_ptr* p); template shared_ptr atomic_load_explicit(const shared_ptr* p, memory_order mo); template void atomic_store(shared_ptr* p, shared_ptr r); template void atomic_store_explicit(shared_ptr* p, shared_ptr r, memory_order mo); template shared_ptr atomic_exchange(shared_ptr* p, shared_ptr r); template shared_ptr atomic_exchange_explicit(shared_ptr* p, shared_ptr r, memory_order mo); template bool atomic_compare_exchange_weak(shared_ptr* p, shared_ptr* v, shared_ptr w); template bool atomic_compare_exchange_strong( shared_ptr* p, shared_ptr* v, shared_ptr w); template bool atomic_compare_exchange_weak_explicit(shared_ptr* p, shared_ptr* v, shared_ptr w, memory_order success, memory_order failure); template bool atomic_compare_exchange_strong_explicit(shared_ptr* p, shared_ptr* v, shared_ptr w, memory_order success, memory_order failure); // Hash support template struct hash; template struct hash >; template struct hash >; // Pointer safety enum class pointer_safety { relaxed, preferred, strict }; void declare_reachable(void *p); template T *undeclare_reachable(T *p); void declare_no_pointers(char *p, size_t n); void undeclare_no_pointers(char *p, size_t n); pointer_safety get_pointer_safety() noexcept; void* align(size_t alignment, size_t size, void*& ptr, size_t& space); } // std */ #include <__config> #include #include #include #include #include #include #include #include #include <__functional_base> #include #include #include #include #if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER) # include #endif #include <__undef_min_max> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD template inline _LIBCPP_ALWAYS_INLINE _ValueType __libcpp_relaxed_load(_ValueType const* __value) { #if !defined(_LIBCPP_HAS_NO_THREADS) && \ defined(__ATOMIC_RELAXED) && \ (__has_builtin(__atomic_load_n) || _GNUC_VER >= 407) return __atomic_load_n(__value, __ATOMIC_RELAXED); #else return *__value; #endif } template inline _LIBCPP_ALWAYS_INLINE _ValueType __libcpp_acquire_load(_ValueType const* __value) { #if !defined(_LIBCPP_HAS_NO_THREADS) && \ defined(__ATOMIC_ACQUIRE) && \ (__has_builtin(__atomic_load_n) || _GNUC_VER >= 407) return __atomic_load_n(__value, __ATOMIC_ACQUIRE); #else return *__value; #endif } // addressof moved to template class allocator; template <> class _LIBCPP_TEMPLATE_VIS allocator { public: typedef void* pointer; typedef const void* const_pointer; typedef void value_type; template struct rebind {typedef allocator<_Up> other;}; }; template <> class _LIBCPP_TEMPLATE_VIS allocator { public: typedef const void* pointer; typedef const void* const_pointer; typedef const void value_type; template struct rebind {typedef allocator<_Up> other;}; }; // pointer_traits template struct __has_element_type { private: struct __two {char __lx; char __lxx;}; template static __two __test(...); template static char __test(typename _Up::element_type* = 0); public: static const bool value = sizeof(__test<_Tp>(0)) == 1; }; template ::value> struct __pointer_traits_element_type; template struct __pointer_traits_element_type<_Ptr, true> { typedef typename _Ptr::element_type type; }; #ifndef _LIBCPP_HAS_NO_VARIADICS template