merging with master

CMakeLists.txt

@@ -1,14 +1,22 @@
+foreach(policy
+        CMP0023
+        CMP0048 # CMake 3.0
+        CMP0074 # CMake 3.12
+        CMP0077
+        CMP0079
+    )
+    if(POLICY ${policy})
+        cmake_policy(SET ${policy} NEW)
+    endif()
+endforeach()
+
 project(ClickHouse)
 cmake_minimum_required(VERSION 3.3)
 
-foreach(policy
+# Ignore export() since we don't use it,
-    CMP0023
+# but it gets broken with a global targets via link_libraries()
-    CMP0074 # CMake 3.12
+macro (export)
-    )
+endmacro ()
-  if(POLICY ${policy})
-    cmake_policy(SET ${policy} NEW)
-  endif()
-endforeach()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1) # Write compile_commands.json
@@ -128,12 +136,6 @@ if (CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
     endif ()
 endif ()
 
-if (GLIBC_COMPATIBILITY)
-    set (USE_INTERNAL_MEMCPY ON)
-else ()
-    message (WARNING "Option GLIBC_COMPATIBILITY must be turned on for production builds.")
-endif ()
-
 string(REGEX MATCH "-?[0-9]+(.[0-9]+)?$" COMPILER_POSTFIX ${CMAKE_CXX_COMPILER})
 
 find_program (LLD_PATH NAMES "lld${COMPILER_POSTFIX}" "lld")
@@ -172,20 +174,15 @@ if (ARCH_NATIVE)
     set (COMPILER_FLAGS "${COMPILER_FLAGS} -march=native")
 endif ()
 
-# Special options for better optimized code with clang
-#if (COMPILER_CLANG)
-#    set (CMAKE_CXX_FLAGS_RELWITHDEBINFO  "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -Wno-unused-command-line-argument -mllvm -inline-threshold=10000")
-#endif ()
-
 if (CMAKE_VERSION VERSION_LESS "3.8.0")
     if (NOT MSVC)
-        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1z")
+        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
     endif ()
 else ()
     set (CMAKE_CXX_STANDARD 17)
     set (CMAKE_CXX_EXTENSIONS 0) # https://cmake.org/cmake/help/latest/prop_tgt/CXX_EXTENSIONS.html#prop_tgt:CXX_EXTENSIONS
     set (CMAKE_CXX_STANDARD_REQUIRED ON)
-    set (CXX_FLAGS_INTERNAL_COMPILER "-std=c++1z")
+    set (CXX_FLAGS_INTERNAL_COMPILER "-std=c++17")
 endif ()
 
 if (COMPILER_GCC OR COMPILER_CLANG)
@@ -207,17 +204,13 @@ endif()
 
 set (CMAKE_BUILD_COLOR_MAKEFILE          ON)
 set (CMAKE_CXX_FLAGS                     "${CMAKE_CXX_FLAGS} ${COMPILER_FLAGS} ${PLATFORM_EXTRA_CXX_FLAG} -fno-omit-frame-pointer ${COMMON_WARNING_FLAGS} ${CXX_WARNING_FLAGS}")
-#set (CMAKE_CXX_FLAGS_RELEASE             "${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_ADD}")
 set (CMAKE_CXX_FLAGS_RELWITHDEBINFO      "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O3 ${CMAKE_CXX_FLAGS_ADD}")
 set (CMAKE_CXX_FLAGS_DEBUG               "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g3 -ggdb3 -fno-inline ${CMAKE_CXX_FLAGS_ADD}")
 
 set (CMAKE_C_FLAGS                       "${CMAKE_C_FLAGS} ${COMPILER_FLAGS} -fno-omit-frame-pointer ${COMMON_WARNING_FLAGS} ${CMAKE_C_FLAGS_ADD}")
-#set (CMAKE_C_FLAGS_RELEASE               "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS_ADD}")
 set (CMAKE_C_FLAGS_RELWITHDEBINFO        "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O3 ${CMAKE_C_FLAGS_ADD}")
 set (CMAKE_C_FLAGS_DEBUG                 "${CMAKE_C_FLAGS_DEBUG} -O0 -g3 -ggdb3 -fno-inline ${CMAKE_C_FLAGS_ADD}")
 
-# Uses MAKE_STATIC_LIBRARIES
-
 
 option (UNBUNDLED "Try find all libraries in system. We recommend to avoid this mode for production builds, because we cannot guarantee exact versions and variants of libraries your system has installed. This mode exists for enthusiastic developers who search for trouble. Also it is useful for maintainers of OS packages." OFF)
 if (UNBUNDLED)
@@ -225,150 +218,28 @@ if (UNBUNDLED)
 else ()
     set(NOT_UNBUNDLED 1)
 endif ()
+
 # Using system libs can cause lot of warnings in includes.
 if (UNBUNDLED OR NOT (OS_LINUX OR APPLE) OR ARCH_32)
     option (NO_WERROR "Disable -Werror compiler option" ON)
 endif ()
 
-
+# Make this extra-checks for correct library dependencies.
-set(THREADS_PREFER_PTHREAD_FLAG ON)
+if (NOT SANITIZE)
-find_package (Threads)
+    set (CMAKE_EXE_LINKER_FLAGS    "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-undefined")
-
+    set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
-include (cmake/find_cxx.cmake)
-
-include (cmake/test_compiler.cmake)
-
-if (OS_LINUX AND COMPILER_CLANG AND USE_STATIC_LIBRARIES)
-    option (USE_LIBCXX "Use libc++ and libc++abi instead of libstdc++ (only make sense on Linux)" ${HAVE_LIBCXX})
-
-    if (USE_LIBCXX)
-        set (CMAKE_CXX_FLAGS_DEBUG       "${CMAKE_CXX_FLAGS_DEBUG} -D_LIBCPP_DEBUG=0") # More checks in debug build.
-    endif ()
 endif ()
 
-if (USE_LIBCXX)
+include(cmake/dbms_glob_sources.cmake)
-    set (STATIC_STDLIB_FLAGS "")
+include(cmake/default_libs.cmake)
-else ()
-    set (STATIC_STDLIB_FLAGS "-static-libgcc -static-libstdc++")
-endif ()
 
-if (MAKE_STATIC_LIBRARIES AND NOT APPLE AND NOT (COMPILER_CLANG AND OS_FREEBSD))
+######################################
-    set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${STATIC_STDLIB_FLAGS}")
+### Add targets below this comment ###
-
+######################################
-    # Along with executables, we also build example of shared library for "library dictionary source"; and it also should be self-contained.
-    set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${STATIC_STDLIB_FLAGS}")
-endif ()
-
-if (USE_STATIC_LIBRARIES AND HAVE_NO_PIE)
-    set (CMAKE_CXX_FLAGS                 "${CMAKE_CXX_FLAGS} ${FLAG_NO_PIE}")
-    set (CMAKE_C_FLAGS                   "${CMAKE_C_FLAGS} ${FLAG_NO_PIE}")
-endif ()
-
-# TODO: only make this extra-checks in CI builds, since a lot of contrib libs won't link -
-#       CI works around this problem by explicitly adding GLIBC_COMPATIBILITY flag.
-if (NOT SANITIZE AND YANDEX_OFFICIAL_BUILD)
-    set (CMAKE_EXE_LINKER_FLAGS              "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-undefined")
-    set (CMAKE_SHARED_LINKER_FLAGS           "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
-endif ()
-
-include (cmake/find_unwind.cmake)
-
-if (USE_INTERNAL_UNWIND_LIBRARY)
-    option (USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING "Use internal unwind library for exception handling" ${USE_STATIC_LIBRARIES})
-endif ()
-
-
-# Set standard, system and compiler libraries explicitly.
-# This is intended for more control of what we are linking.
 
 string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
 set (CMAKE_POSTFIX_VARIABLE "CMAKE_${CMAKE_BUILD_TYPE_UC}_POSTFIX")
 
-set (DEFAULT_LIBS "")
-if (OS_LINUX AND NOT UNBUNDLED AND (GLIBC_COMPATIBILITY OR USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING OR USE_LIBCXX))
-    # Note: this probably has no effect, but I'm not an expert in CMake.
-    set (CMAKE_C_IMPLICIT_LINK_LIBRARIES "")
-    set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
-
-    # Disable default linked libraries.
-    set (DEFAULT_LIBS "-nodefaultlibs")
-
-    # We need builtins from Clang's RT even without libcxx - for ubsan+int128. See https://bugs.llvm.org/show_bug.cgi?id=16404
-    set (BUILTINS_LIB_PATH "")
-    if (COMPILER_CLANG)
-        execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-${CMAKE_SYSTEM_PROCESSOR}.a OUTPUT_VARIABLE BUILTINS_LIB_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
-    else ()
-        set (BUILTINS_LIB_PATH "-lgcc")
-    endif ()
-
-    string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
-    set (CMAKE_POSTFIX_VARIABLE "CMAKE_${CMAKE_BUILD_TYPE_UC}_POSTFIX")
-
-    # Add C++ libraries.
-    #
-    # This consist of:
-    # - C++ standard library (like implementation of std::string);
-    # - C++ ABI implementation (functions for exceptions like __cxa_throw, RTTI, etc);
-    # - functions for internal implementation of exception handling (stack unwinding based on DWARF info; TODO replace with bundled libunwind);
-    # - compiler builtins (example: functions for implementation of __int128 operations);
-    #
-    # There are two variants of C++ library: libc++ (from LLVM compiler infrastructure) and libstdc++ (from GCC).
-
-    if (USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING)
-        if (USE_STATIC_LIBRARIES)
-            set (EXCEPTION_HANDLING_LIBRARY "${ClickHouse_BINARY_DIR}/contrib/libunwind-cmake/libunwind_static${${CMAKE_POSTFIX_VARIABLE}}.a")
-        else ()
-            set (EXCEPTION_HANDLING_LIBRARY "${ClickHouse_BINARY_DIR}/contrib/libunwind-cmake/libunwind_shared${${CMAKE_POSTFIX_VARIABLE}}.so")
-        endif ()
-    else ()
-        set (EXCEPTION_HANDLING_LIBRARY "-lgcc_eh")
-    endif ()
-
-    message (STATUS "Using exception handling library: ${EXCEPTION_HANDLING_LIBRARY}")
-
-    if (USE_LIBCXX)
-        if (USE_INTERNAL_LIBCXX_LIBRARY)
-            set (LIBCXX_LIBS "${ClickHouse_BINARY_DIR}/contrib/libcxx-cmake/libcxx_static${${CMAKE_POSTFIX_VARIABLE}}.a ${ClickHouse_BINARY_DIR}/contrib/libcxxabi-cmake/libcxxabi_static${${CMAKE_POSTFIX_VARIABLE}}.a")
-        else ()
-            set (LIBCXX_LIBS "-lc++ -lc++abi -lc++fs")
-        endif ()
-
-        set (DEFAULT_LIBS "${DEFAULT_LIBS} -Wl,-Bstatic ${LIBCXX_LIBS} ${EXCEPTION_HANDLING_LIBRARY} ${BUILTINS_LIB_PATH} -Wl,-Bdynamic")
-    else ()
-        set (DEFAULT_LIBS "${DEFAULT_LIBS} -Wl,-Bstatic -lstdc++ -lstdc++fs ${EXCEPTION_HANDLING_LIBRARY} ${COVERAGE_OPTION} ${BUILTINS_LIB_PATH} -Wl,-Bdynamic")
-    endif ()
-
-    # Linking with GLIBC prevents portability of binaries to older systems.
-    # We overcome this behaviour by statically linking with our own implementation of all new symbols (that don't exist in older Libc or have infamous "symbol versioning").
-    # The order of linking is important: 'glibc-compatibility' must be before libc but after all other libraries.
-    if (GLIBC_COMPATIBILITY)
-        message (STATUS "Some symbols from glibc will be replaced for compatibility")
-
-        string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
-        set (CMAKE_POSTFIX_VARIABLE "CMAKE_${CMAKE_BUILD_TYPE_UC}_POSTFIX")
-
-        # FIXME: glibc-compatibility may be non-static in some builds!
-        set (DEFAULT_LIBS "${DEFAULT_LIBS} ${ClickHouse_BINARY_DIR}/libs/libglibc-compatibility/libglibc-compatibility${${CMAKE_POSTFIX_VARIABLE}}.a")
-    endif ()
-
-    # Add Libc. GLIBC is actually a collection of interdependent libraries.
-    set (DEFAULT_LIBS "${DEFAULT_LIBS} -lrt -ldl -lpthread -lm -lc")
-
-    # Note: we'd rather use Musl libc library, but it's little bit more difficult to use.
-
-    message(STATUS "Default libraries: ${DEFAULT_LIBS}")
-endif ()
-
-if (NOT GLIBC_COMPATIBILITY)
-    set (M_LIBRARY m)
-endif ()
-
-if (DEFAULT_LIBS)
-    # Add default libs to all targets as the last dependency.
-    set(CMAKE_CXX_STANDARD_LIBRARIES ${DEFAULT_LIBS})
-    set(CMAKE_C_STANDARD_LIBRARIES ${DEFAULT_LIBS})
-endif ()
-
 if (NOT MAKE_STATIC_LIBRARIES)
     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 endif ()
@@ -421,20 +292,12 @@ if (UNBUNDLED)
 else ()
     set(NOT_UNBUNDLED 1)
 endif ()
+
 # Using system libs can cause lot of warnings in includes.
 if (UNBUNDLED OR NOT (OS_LINUX OR APPLE) OR ARCH_32)
     option (NO_WERROR "Disable -Werror compiler option" ON)
 endif ()
 
-if (USE_LIBCXX)
-    set (HAVE_LIBCXX 1)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
-endif()
-
-if (USE_LIBCXX AND USE_INTERNAL_LIBCXX_LIBRARY)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc++ -isystem ${LIBCXX_INCLUDE_DIR} -isystem ${LIBCXXABI_INCLUDE_DIR}")
-endif ()
-
 message (STATUS "Building for: ${CMAKE_SYSTEM} ${CMAKE_SYSTEM_PROCESSOR} ${CMAKE_LIBRARY_ARCHITECTURE} ; USE_STATIC_LIBRARIES=${USE_STATIC_LIBRARIES} MAKE_STATIC_LIBRARIES=${MAKE_STATIC_LIBRARIES} SPLIT_SHARED=${SPLIT_SHARED_LIBRARIES} UNBUNDLED=${UNBUNDLED} CCACHE=${CCACHE_FOUND} ${CCACHE_VERSION}")
 
 include(GNUInstallDirs)
@@ -500,79 +363,11 @@ include (libs/libmysqlxx/cmake/find_mysqlclient.cmake)
 
 include (cmake/print_flags.cmake)
 
+install (EXPORT global DESTINATION cmake)
+
 add_subdirectory (contrib EXCLUDE_FROM_ALL)
 add_subdirectory (libs)
 add_subdirectory (utils)
 add_subdirectory (dbms)
 
 include (cmake/print_include_directories.cmake)
-
-if (GLIBC_COMPATIBILITY OR USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING)
-    # FIXME: actually glibc-compatibility should always be built first,
-    #        because it's unconditionally linked via $DEFAULT_LIBS,
-    #        and these looks like the first places that get linked.
-    function (add_default_dependencies target_name)
-        if (TARGET ${target_name})
-            if (GLIBC_COMPATIBILITY)
-                add_dependencies(${target_name} glibc-compatibility)
-            endif ()
-
-            if (USE_LIBCXX AND USE_INTERNAL_LIBCXX_LIBRARY)
-                add_dependencies(${target_name} cxx_static cxxabi_static)
-            endif ()
-
-            if (USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING)
-                add_dependencies(${target_name} unwind_static)
-            endif ()
-        endif ()
-    endfunction ()
-
-    add_default_dependencies(ltdl)
-    add_default_dependencies(zlibstatic)
-    add_default_dependencies(jemalloc)
-    add_default_dependencies(memcpy)
-    add_default_dependencies(Foundation)
-    add_default_dependencies(common)
-    add_default_dependencies(gtest)
-    add_default_dependencies(lz4)
-    add_default_dependencies(zstd)
-    add_default_dependencies(snappy)
-    add_default_dependencies(arrow)
-    add_default_dependencies(protoc)
-    add_default_dependencies(thrift_static)
-    add_default_dependencies(cityhash)
-    add_default_dependencies(farmhash)
-    add_default_dependencies(murmurhash)
-    add_default_dependencies(metrohash)
-    add_default_dependencies(metrohash128)
-    add_default_dependencies(consistent-hashing)
-    add_default_dependencies(double-conversion)
-    add_default_dependencies(cctz)
-    add_default_dependencies(kj)
-    add_default_dependencies(simdjson)
-    add_default_dependencies(apple_rt)
-    add_default_dependencies(h3)
-    add_default_dependencies(re2)
-    add_default_dependencies(re2_st)
-    add_default_dependencies(hs_compile_shared)
-    add_default_dependencies(hs_exec_shared)
-    add_default_dependencies(hs_shared)
-    add_default_dependencies(widechar_width)
-    add_default_dependencies(string_utils)
-    add_default_dependencies(consistent-hashing-sumbur)
-    add_default_dependencies(boost_program_options_internal)
-    add_default_dependencies(boost_system_internal)
-    add_default_dependencies(boost_regex_internal)
-    add_default_dependencies(roaring)
-    add_default_dependencies(btrie)
-    add_default_dependencies(cpuid)
-    add_default_dependencies(mysqlclient)
-    add_default_dependencies(zlib)
-    add_default_dependencies(thrift)
-    add_default_dependencies(brotli)
-    add_default_dependencies(libprotobuf)
-    add_default_dependencies(base64)
-    add_default_dependencies(readpassphrase)
-    add_default_dependencies(unwind_static)
-    add_default_dependencies(fastops)
-endif ()

cmake/default_libs.cmake

@@ -0,0 +1,48 @@
+# Set standard, system and compiler libraries explicitly.
+# This is intended for more control of what we are linking.
+
+set (DEFAULT_LIBS "-nodefaultlibs")
+
+if (OS_LINUX)
+    # We need builtins from Clang's RT even without libcxx - for ubsan+int128.
+    # See https://bugs.llvm.org/show_bug.cgi?id=16404
+    if (COMPILER_CLANG)
+        execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-${CMAKE_SYSTEM_PROCESSOR}.a OUTPUT_VARIABLE BUILTINS_LIBRARY OUTPUT_STRIP_TRAILING_WHITESPACE)
+    else ()
+        set (BUILTINS_LIBRARY "-lgcc")
+    endif ()
+
+    set (DEFAULT_LIBS "${DEFAULT_LIBS} ${BUILTINS_LIBRARY} ${COVERAGE_OPTION} -lc -lm -lrt -lpthread -ldl")
+
+    message(STATUS "Default libraries: ${DEFAULT_LIBS}")
+endif ()
+
+set(CMAKE_CXX_STANDARD_LIBRARIES ${DEFAULT_LIBS})
+set(CMAKE_C_STANDARD_LIBRARIES ${DEFAULT_LIBS})
+
+# Global libraries
+
+add_library(global-libs INTERFACE)
+
+# Unfortunately '-pthread' doesn't work with '-nodefaultlibs'.
+# Just make sure we have pthreads at all.
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
+add_subdirectory(libs/libglibc-compatibility)
+include (cmake/find_unwind.cmake)
+include (cmake/find_cxx.cmake)
+
+add_library(global-group INTERFACE)
+target_link_libraries(global-group INTERFACE
+    -Wl,--start-group
+    $<TARGET_PROPERTY:global-libs,INTERFACE_LINK_LIBRARIES>
+    -Wl,--end-group
+)
+
+link_libraries(global-group)
+
+install(
+    TARGETS global-group global-libs
+    EXPORT global
+)

cmake/find_capnp.cmake

@@ -1,50 +1,20 @@
-option (ENABLE_CAPNP "Enable Cap'n Proto" ON)
+option (USE_CAPNP "Enable Cap'n Proto" ON)
-
-if (ENABLE_CAPNP)
-    # cmake 3.5.1 bug:
-    # capnproto uses this cmake feature:
-    # target_compile_features(kj PUBLIC cxx_constexpr)
-    # old cmake adds -std=gnu++11 to end of all compile commands (even if -std=gnu++17 already present in compile string)
-    # cmake 3.9.1 (ubuntu artful) have no this bug (c++17 support added to cmake 3.8.2)
-    if (CMAKE_VERSION VERSION_LESS "3.8.0")
-       set (USE_INTERNAL_CAPNP_LIBRARY_DEFAULT 0)
-       set (MISSING_INTERNAL_CAPNP_LIBRARY 1)
-    else ()
-       set (USE_INTERNAL_CAPNP_LIBRARY_DEFAULT ${NOT_UNBUNDLED})
-    endif ()
-
-    option (USE_INTERNAL_CAPNP_LIBRARY "Set to FALSE to use system capnproto library instead of bundled" ${USE_INTERNAL_CAPNP_LIBRARY_DEFAULT})
-
-    if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/capnproto/c++/CMakeLists.txt")
-       if (USE_INTERNAL_CAPNP_LIBRARY)
-           message (WARNING "submodule contrib/capnproto is missing. to fix try run: \n git submodule update --init --recursive")
-       endif ()
-       set (USE_INTERNAL_CAPNP_LIBRARY 0)
-       set (MISSING_INTERNAL_CAPNP_LIBRARY 1)
-    endif ()
-
-    if (NOT USE_INTERNAL_CAPNP_LIBRARY)
-        set (CAPNP_PATHS "/usr/local/opt/capnp/lib")
-        set (CAPNP_INCLUDE_PATHS "/usr/local/opt/capnp/include")
-        find_library (CAPNP capnp PATHS ${CAPNP_PATHS})
-        find_library (CAPNPC capnpc PATHS ${CAPNP_PATHS})
-        find_library (KJ kj PATHS ${CAPNP_PATHS})
-        set (CAPNP_LIBRARY ${CAPNPC} ${CAPNP} ${KJ})
-        find_path (CAPNP_INCLUDE_DIR NAMES capnp/schema-parser.h PATHS ${CAPNP_INCLUDE_PATHS})
-    endif ()
-
-    if (CAPNP_INCLUDE_DIR AND CAPNP_LIBRARY)
-        set(USE_CAPNP 1)
-    elseif (NOT MISSING_INTERNAL_CAPNP_LIBRARY)
-        set (USE_INTERNAL_CAPNP_LIBRARY 1)
-        set (CAPNP_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/capnproto/c++/src")
-        set (CAPNP_LIBRARY capnpc)
-        set (USE_CAPNP 1)
-    endif ()
-endif ()
 
 if (USE_CAPNP)
-    message (STATUS "Using capnp=${USE_CAPNP}: ${CAPNP_INCLUDE_DIR} : ${CAPNP_LIBRARY}")
+    option (USE_INTERNAL_CAPNP_LIBRARY "Set to FALSE to use system capnproto library instead of bundled" ${NOT_UNBUNDLED})
-else ()
+
-    message (STATUS "Build without capnp (support for Cap'n Proto format will be disabled)")
+    # FIXME: refactor to use `add_library(… IMPORTED)` if possible.
+    if (NOT USE_INTERNAL_CAPNP_LIBRARY)
+        find_library (KJ kj)
+        find_library (CAPNP capnp)
+        find_library (CAPNPC capnpc)
+
+        set (CAPNP_LIBRARIES ${CAPNPC} ${CAPNP} ${KJ})
+    else ()
+        add_subdirectory(contrib/capnproto-cmake)
+
+        set (CAPNP_LIBRARIES capnpc)
+    endif ()
+
+    message (STATUS "Using capnp: ${CAPNP_LIBRARIES}")
 endif ()

cmake/find_cxx.cmake

@@ -1,26 +1,49 @@
-if (NOT APPLE)
+if (OS_LINUX AND COMPILER_CLANG)
+    option (USE_LIBCXX "Use libc++ and libc++abi instead of libstdc++" ON)
     option (USE_INTERNAL_LIBCXX_LIBRARY "Set to FALSE to use system libcxx and libcxxabi libraries instead of bundled" ${NOT_UNBUNDLED})
+endif()
+
+if (USE_LIBCXX)
+    set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_LIBCPP_DEBUG=0") # More checks in debug build.
 endif ()
 
+# FIXME: make better check for submodule presence
 if (USE_INTERNAL_LIBCXX_LIBRARY AND NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/libcxx/include/vector")
     message (WARNING "submodule contrib/libcxx is missing. to fix try run: \n git submodule update --init --recursive")
     set (USE_INTERNAL_LIBCXX_LIBRARY 0)
 endif ()
 
+# FIXME: make better check for submodule presence
 if (USE_INTERNAL_LIBCXX_LIBRARY AND NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/libcxxabi/src")
     message (WARNING "submodule contrib/libcxxabi is missing. to fix try run: \n git submodule update --init --recursive")
-    set (USE_INTERNAL_LIBCXXABI_LIBRARY 0)
+    set (USE_INTERNAL_LIBCXX_LIBRARY 0)
 endif ()
 
-if (NOT USE_INTERNAL_LIBCXX_LIBRARY)
+if (USE_LIBCXX)
-    find_library (LIBCXX_LIBRARY c++)
+    if (NOT USE_INTERNAL_LIBCXX_LIBRARY)
-    find_library (LIBCXXABI_LIBRARY c++abi)
+        find_library (LIBCXX_LIBRARY c++)
+        find_library (LIBCXXFS_LIBRARY c++fs)
+        find_library (LIBCXXABI_LIBRARY c++abi)
+
+        target_link_libraries(global-libs INTERFACE ${EXCEPTION_HANDLING_LIBRARY})
+    else ()
+        set (LIBCXX_LIBRARY cxx)
+        set (LIBCXXABI_LIBRARY cxxabi)
+        add_subdirectory(contrib/libcxxabi-cmake)
+        add_subdirectory(contrib/libcxx-cmake)
+
+        # Exception handling library is embedded into libcxxabi.
+    endif ()
+
+    target_link_libraries(global-libs INTERFACE ${LIBCXX_LIBRARY} ${LIBCXXABI_LIBRARY} ${LIBCXXFS_LIBRARY})
+
+    set (HAVE_LIBCXX 1)
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+
+    message (STATUS "Using libcxx: ${LIBCXX_LIBRARY}")
+    message (STATUS "Using libcxxfs: ${LIBCXXFS_LIBRARY}")
+    message (STATUS "Using libcxxabi: ${LIBCXXABI_LIBRARY}")
 else ()
-    set (LIBCXX_INCLUDE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcxx/include)
+    target_link_libraries(global-libs INTERFACE -l:libstdc++.a -l:libstdc++fs.a) # Always link these libraries as static
-    set (LIBCXXABI_INCLUDE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcxxabi/include)
+    target_link_libraries(global-libs INTERFACE ${EXCEPTION_HANDLING_LIBRARY})
-    set (LIBCXX_LIBRARY cxx_static)
-    set (LIBCXXABI_LIBRARY cxxabi_static)
 endif ()
-
-message (STATUS "Using libcxx: ${LIBCXX_LIBRARY}")
-message (STATUS "Using libcxxabi: ${LIBCXXABI_LIBRARY}")

cmake/find_unwind.cmake

@@ -1,59 +1,17 @@
-include (CMakePushCheckState)
+option (USE_UNWIND "Enable libunwind (better stacktraces)" ON)
-cmake_push_check_state ()
 
-option (ENABLE_UNWIND "Enable libunwind (better stacktraces)" ON)
+if (NOT CMAKE_SYSTEM MATCHES "Linux" OR ARCH_ARM OR ARCH_32)
+    set (USE_UNWIND OFF)
+endif ()
 
-if (ENABLE_UNWIND)
+if (USE_UNWIND)
+    add_subdirectory(contrib/libunwind-cmake)
+    set (UNWIND_LIBRARIES unwind)
+    set (EXCEPTION_HANDLING_LIBRARY ${UNWIND_LIBRARIES})
 
-if (CMAKE_SYSTEM MATCHES "Linux" AND NOT ARCH_ARM AND NOT ARCH_32)
+    message (STATUS "Using libunwind: ${UNWIND_LIBRARIES}")
-    option (USE_INTERNAL_UNWIND_LIBRARY "Set to FALSE to use system unwind library instead of bundled" ${NOT_UNBUNDLED})
 else ()
-    option (USE_INTERNAL_UNWIND_LIBRARY "Set to FALSE to use system unwind library instead of bundled" OFF)
+    set (EXCEPTION_HANDLING_LIBRARY gcc_eh)
 endif ()
 
-if (NOT USE_INTERNAL_UNWIND_LIBRARY)
+message (STATUS "Using exception handler: ${EXCEPTION_HANDLING_LIBRARY}")
-    find_library (UNWIND_LIBRARY unwind)
-    find_path (UNWIND_INCLUDE_DIR NAMES unwind.h PATHS ${UNWIND_INCLUDE_PATHS})
-
-    include (CheckCXXSourceCompiles)
-    set(CMAKE_REQUIRED_INCLUDES ${UNWIND_INCLUDE_DIR})
-    set(CMAKE_REQUIRED_LIBRARIES ${UNWIND_LIBRARY})
-    check_cxx_source_compiles("
-    #include <ucontext.h>
-    #define UNW_LOCAL_ONLY
-    #include <libunwind.h>
-    int main () {
-       ucontext_t context;
-       unw_cursor_t cursor;
-       unw_init_local(&cursor, &context);
-       return 0;
-    }
-    " HAVE_UNW_INIT_LOCAL)
-    if (NOT HAVE_UNW_INIT_LOCAL)
-       set(UNWIND_LIBRARY "")
-       set(UNWIND_INCLUDE_DIR "")
-    endif ()
-
-endif ()
-
-if (UNWIND_LIBRARY AND UNWIND_INCLUDE_DIR)
-    set (USE_UNWIND 1)
-elseif (CMAKE_SYSTEM MATCHES "Linux" AND NOT ARCH_ARM AND NOT ARCH_32 AND NOT UNBUNDLED)
-    set (USE_INTERNAL_UNWIND_LIBRARY 1)
-
-    set (PACKAGE_VERSION "9.0.0svn" CACHE STRING "")
-
-    set (UNWIND_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/libunwind/include")
-
-    set (LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
-    set (LIBUNWIND_ENABLE_STATIC ON CACHE BOOL "")
-    set (UNWIND_LIBRARY unwind_static)
-
-    set (USE_UNWIND 1)
-endif ()
-
-endif ()
-
-message (STATUS "Using unwind=${USE_UNWIND}: ${UNWIND_INCLUDE_DIR} : ${UNWIND_LIBRARY}")
-
-cmake_pop_check_state ()

cmake/test_compiler.cmake

@@ -1,47 +0,0 @@
-include (CheckCXXSourceCompiles)
-include (CMakePushCheckState)
-
-set(THREADS_PREFER_PTHREAD_FLAG ON)
-find_package(Threads)
-
-cmake_push_check_state ()
-
-if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-# clang4 : -no-pie cause error
-# clang6 : -no-pie cause warning
-
-    if (MAKE_STATIC_LIBRARIES)
-        set (TEST_FLAG "-Wl,-Bstatic -stdlib=libc++ -lc++ -lc++abi -Wl,-Bdynamic")
-    else ()
-        set (TEST_FLAG "-stdlib=libc++ -lc++ -lc++abi")
-    endif ()
-
-    set (CMAKE_REQUIRED_FLAGS "${TEST_FLAG}")
-    set (CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} Threads::Threads)
-
-    check_cxx_source_compiles("
-        #include <iostream>
-        int main() {
-            std::cerr << std::endl;
-            return 0;
-        }
-        " HAVE_LIBCXX)
-
-else ()
-
-    set (TEST_FLAG "-no-pie")
-    set (CMAKE_REQUIRED_FLAGS "${TEST_FLAG}")
-
-    check_cxx_source_compiles("
-        int main() {
-            return 0;
-        }
-        " HAVE_NO_PIE)
-
-    if (HAVE_NO_PIE)
-        set (FLAG_NO_PIE ${TEST_FLAG})
-    endif ()
-
-endif ()
-
-cmake_pop_check_state ()

contrib/CMakeLists.txt

@@ -23,16 +23,6 @@ if (USE_INTERNAL_ORC_LIBRARY)
     add_subdirectory(orc)
 endif()
 
-if (USE_INTERNAL_UNWIND_LIBRARY)
-    add_subdirectory (libunwind-cmake)
-endif ()
-
-if (USE_LIBCXX AND USE_INTERNAL_LIBCXX_LIBRARY)
-    add_subdirectory(libcxx-cmake)
-    add_subdirectory(libcxxabi-cmake)
-endif()
-
-
 if (USE_INTERNAL_BOOST_LIBRARY)
     add_subdirectory (boost-cmake)
 endif ()
@@ -172,15 +162,6 @@ if (ENABLE_ODBC AND USE_INTERNAL_ODBC_LIBRARY)
     add_library(ODBC::ODBC ALIAS ${ODBC_LIBRARIES})
 endif ()
 
-if (ENABLE_CAPNP AND USE_INTERNAL_CAPNP_LIBRARY)
-    set (BUILD_TESTING 0 CACHE INTERNAL "")
-    set (_save ${CMAKE_CXX_EXTENSIONS})
-    set (CMAKE_CXX_EXTENSIONS)
-    add_subdirectory (capnproto/c++)
-    set (CMAKE_CXX_EXTENSIONS ${_save})
-    target_include_directories(${CAPNP_LIBRARY} PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/capnproto/c++/src>)
-endif ()
-
 if (USE_INTERNAL_PARQUET_LIBRARY)
 if (USE_INTERNAL_PARQUET_LIBRARY_NATIVE_CMAKE)
     # We dont use arrow's cmakefiles because they uses too many depends and download some libs in compile time

contrib/arrow-cmake/CMakeLists.txt

@@ -44,7 +44,6 @@ set( thriftcpp_threads_SOURCES
 add_library(${THRIFT_LIBRARY} ${thriftcpp_SOURCES} ${thriftcpp_threads_SOURCES})
 set_target_properties(${THRIFT_LIBRARY} PROPERTIES CXX_STANDARD 14) # REMOVE after https://github.com/apache/thrift/pull/1641
 target_include_directories(${THRIFT_LIBRARY} SYSTEM PUBLIC ${ClickHouse_SOURCE_DIR}/contrib/thrift/lib/cpp/src PRIVATE ${Boost_INCLUDE_DIRS})
-target_link_libraries(${THRIFT_LIBRARY} PRIVATE Threads::Threads)
 
 
 # === orc
@@ -219,7 +218,7 @@ endif()
 add_library(${ARROW_LIBRARY} ${ARROW_SRCS})
 add_dependencies(${ARROW_LIBRARY} protoc)
 target_include_directories(${ARROW_LIBRARY} SYSTEM PUBLIC ${ClickHouse_SOURCE_DIR}/contrib/arrow/cpp/src PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/cpp/src ${Boost_INCLUDE_DIRS})
-target_link_libraries(${ARROW_LIBRARY} PRIVATE ${DOUBLE_CONVERSION_LIBRARIES} ${PROTOBUF_LIBRARIES} Threads::Threads)
+target_link_libraries(${ARROW_LIBRARY} PRIVATE ${DOUBLE_CONVERSION_LIBRARIES} ${Protobuf_LIBRARY})
 if (ARROW_WITH_LZ4)
     target_link_libraries(${ARROW_LIBRARY} PRIVATE ${LZ4_LIBRARY})
 endif()

contrib/capnproto-cmake/CMakeLists.txt

@@ -0,0 +1,69 @@
+set (CAPNPROTO_SOURCE_DIR ${ClickHouse_SOURCE_DIR}/contrib/capnproto/c++/src)
+
+set (KJ_SRCS
+    ${CAPNPROTO_SOURCE_DIR}/kj/array.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/common.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/debug.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/exception.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/io.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/memory.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/mutex.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/string.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/hash.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/table.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/thread.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/main.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/arena.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/test-helpers.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/units.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/encoding.c++
+
+    ${CAPNPROTO_SOURCE_DIR}/kj/refcount.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/string-tree.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/time.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/filesystem.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/filesystem-disk-unix.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/filesystem-disk-win32.c++
+    ${CAPNPROTO_SOURCE_DIR}/kj/parse/char.c++
+)
+
+add_library(kj ${KJ_SRCS})
+target_include_directories(kj PUBLIC ${CAPNPROTO_SOURCE_DIR})
+target_compile_options(kj PUBLIC -Wno-non-virtual-dtor)
+
+set (CAPNP_SRCS
+    ${CAPNPROTO_SOURCE_DIR}/capnp/c++.capnp.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/blob.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/arena.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/layout.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/list.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/any.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/message.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/schema.capnp.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/serialize.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/serialize-packed.c++
+
+    ${CAPNPROTO_SOURCE_DIR}/capnp/schema.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/schema-loader.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/dynamic.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/stringify.c++
+)
+
+add_library(capnp ${CAPNP_SRCS})
+target_link_libraries(capnp PUBLIC kj)
+
+set (CAPNPC_SRCS
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/type-id.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/error-reporter.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/lexer.capnp.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/lexer.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/grammar.capnp.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/parser.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/node-translator.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/compiler/compiler.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/schema-parser.c++
+    ${CAPNPROTO_SOURCE_DIR}/capnp/serialize-text.c++
+)
+
+add_library(capnpc ${CAPNPC_SRCS})
+target_link_libraries(capnpc PUBLIC capnp)

contrib/jemalloc-cmake/CMakeLists.txt

@@ -59,7 +59,6 @@ if (CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG")
 
     if (USE_UNWIND)
         target_compile_definitions (jemalloc PRIVATE -DJEMALLOC_PROF_LIBUNWIND=1)
-        target_include_directories (jemalloc BEFORE PRIVATE ${UNWIND_INCLUDE_DIR})
+        target_link_libraries (jemalloc PRIVATE ${UNWIND_LIBRARIES})
-        target_link_libraries (jemalloc PRIVATE ${UNWIND_LIBRARY})
     endif ()
 endif ()

contrib/libcxx-cmake/CMakeLists.txt

@@ -1,5 +1,4 @@
 set(LIBCXX_SOURCE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcxx)
-#set(LIBCXX_BINARY_DIR ${ClickHouse_BINARY_DIR}/contrib/libcxx)
 
 set(SRCS
 ${LIBCXX_SOURCE_DIR}/src/optional.cpp
@@ -16,10 +15,6 @@ ${LIBCXX_SOURCE_DIR}/src/condition_variable.cpp
 ${LIBCXX_SOURCE_DIR}/src/hash.cpp
 ${LIBCXX_SOURCE_DIR}/src/string.cpp
 ${LIBCXX_SOURCE_DIR}/src/debug.cpp
-#${LIBCXX_SOURCE_DIR}/src/support/win32/support.cpp
-#${LIBCXX_SOURCE_DIR}/src/support/win32/locale_win32.cpp
-#${LIBCXX_SOURCE_DIR}/src/support/win32/thread_win32.cpp
-#${LIBCXX_SOURCE_DIR}/src/support/solaris/xlocale.cpp
 ${LIBCXX_SOURCE_DIR}/src/stdexcept.cpp
 ${LIBCXX_SOURCE_DIR}/src/utility.cpp
 ${LIBCXX_SOURCE_DIR}/src/any.cpp
@@ -43,9 +38,17 @@ ${LIBCXX_SOURCE_DIR}/src/system_error.cpp
 ${LIBCXX_SOURCE_DIR}/src/random.cpp
 )
 
-add_library(cxx_static ${SRCS})
+add_library(cxx ${SRCS})
 
-target_include_directories(cxx_static PUBLIC ${LIBCXX_SOURCE_DIR}/include)
+target_include_directories(cxx BEFORE PUBLIC $<BUILD_INTERFACE:${LIBCXX_SOURCE_DIR}/include>)
-target_compile_definitions(cxx_static PRIVATE -D_LIBCPP_BUILDING_LIBRARY -DLIBCXX_BUILDING_LIBCXXABI)
+target_compile_definitions(cxx PRIVATE -D_LIBCPP_BUILDING_LIBRARY -DLIBCXX_BUILDING_LIBCXXABI)
-target_compile_options(cxx_static PRIVATE -nostdinc++)
+target_compile_options(cxx PUBLIC -nostdinc++ -Wno-reserved-id-macro)
+target_link_libraries(cxx PUBLIC cxxabi)
 
+install(
+    TARGETS cxx
+    EXPORT global
+    ARCHIVE DESTINATION lib
+    RUNTIME DESTINATION lib
+    LIBRARY DESTINATION lib
+)

contrib/libcxxabi-cmake/CMakeLists.txt

@@ -1,13 +1,10 @@
 set(LIBCXXABI_SOURCE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcxxabi)
-set(LIBCXX_SOURCE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcxx)
-#set(LIBCXXABI_BINARY_DIR ${ClickHouse_BINARY_DIR}/contrib/libcxxabi)
 
 set(SRCS
 ${LIBCXXABI_SOURCE_DIR}/src/stdlib_stdexcept.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/cxa_virtual.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/cxa_thread_atexit.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/fallback_malloc.cpp
-#${LIBCXXABI_SOURCE_DIR}/src/cxa_noexception.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/cxa_guard.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/cxa_default_handlers.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/cxa_personality.cpp
@@ -25,10 +22,25 @@ ${LIBCXXABI_SOURCE_DIR}/src/cxa_vector.cpp
 ${LIBCXXABI_SOURCE_DIR}/src/stdlib_new_delete.cpp
 )
 
-add_library(cxxabi_static ${SRCS})
+add_library(cxxabi ${SRCS})
 
-target_include_directories(cxxabi_static PUBLIC ${LIBCXXABI_SOURCE_DIR}/include ${LIBCXX_SOURCE_DIR}/include)
+target_include_directories(cxxabi SYSTEM BEFORE
-target_compile_definitions(cxxabi_static PRIVATE -D_LIBCPP_BUILDING_LIBRARY)
+    PUBLIC $<BUILD_INTERFACE:${LIBCXXABI_SOURCE_DIR}/include>
-target_compile_options(cxxabi_static PRIVATE -nostdinc++ -fno-sanitize=undefined) # If we don't disable UBSan, infinite recursion happens in dynamic_cast.
+    PRIVATE $<BUILD_INTERFACE:${LIBCXXABI_SOURCE_DIR}/../libcxx/include>
+)
+target_compile_definitions(cxxabi PRIVATE -D_LIBCPP_BUILDING_LIBRARY)
+target_compile_options(cxxabi PRIVATE -nostdinc++ -fno-sanitize=undefined -Wno-macro-redefined) # If we don't disable UBSan, infinite recursion happens in dynamic_cast.
 
+if (USE_UNWIND)
+    target_link_libraries(cxxabi PRIVATE ${UNWIND_LIBRARIES})
+else ()
+    target_link_libraries(cxxabi PRIVATE gcc_eh)
+endif ()
 
+install(
+    TARGETS cxxabi
+    EXPORT global
+    ARCHIVE DESTINATION lib
+    RUNTIME DESTINATION lib
+    LIBRARY DESTINATION lib
+)

contrib/librdkafka-cmake/CMakeLists.txt

@@ -65,7 +65,7 @@ add_library(rdkafka ${SRCS})
 target_include_directories(rdkafka SYSTEM PUBLIC include)
 target_include_directories(rdkafka SYSTEM PUBLIC ${RDKAFKA_SOURCE_DIR})         # Because weird logic with "include_next" is used.
 target_include_directories(rdkafka SYSTEM PRIVATE ${ZSTD_INCLUDE_DIR}/common)   # Because wrong path to "zstd_errors.h" is used.
-target_link_libraries(rdkafka PRIVATE ${ZLIB_LIBRARIES} ${ZSTD_LIBRARY} ${LZ4_LIBRARY} ${LIBGSASL_LIBRARY} Threads::Threads)
+target_link_libraries(rdkafka PRIVATE ${ZLIB_LIBRARIES} ${ZSTD_LIBRARY} ${LZ4_LIBRARY} ${LIBGSASL_LIBRARY})
 if(OPENSSL_SSL_LIBRARY AND OPENSSL_CRYPTO_LIBRARY)
     target_link_libraries(rdkafka PRIVATE ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
 endif()

contrib/libunwind-cmake/CMakeLists.txt

@@ -24,9 +24,15 @@ set(LIBUNWIND_SOURCES
     ${LIBUNWIND_C_SOURCES}
     ${LIBUNWIND_ASM_SOURCES})
 
-add_library(unwind_static ${LIBUNWIND_SOURCES})
+add_library(unwind ${LIBUNWIND_SOURCES})
 
-target_include_directories(unwind_static SYSTEM BEFORE PUBLIC ${LIBUNWIND_SOURCE_DIR}/include)
+target_include_directories(unwind SYSTEM BEFORE PUBLIC $<BUILD_INTERFACE:${LIBUNWIND_SOURCE_DIR}/include>)
-target_compile_definitions(unwind_static PRIVATE -D_LIBUNWIND_NO_HEAP=1 -D_DEBUG -D_LIBUNWIND_IS_NATIVE_ONLY)
+target_compile_definitions(unwind PRIVATE -D_LIBUNWIND_NO_HEAP=1 -D_DEBUG -D_LIBUNWIND_IS_NATIVE_ONLY)
-target_compile_options(unwind_static PRIVATE -fno-exceptions -funwind-tables -fno-sanitize=all -nostdinc++ -fno-rtti)
+target_compile_options(unwind PRIVATE -fno-exceptions -funwind-tables -fno-sanitize=all -nostdinc++ -fno-rtti)
-target_link_libraries(unwind_static PRIVATE Threads::Threads ${CMAKE_DL_LIBS})
+
+install(
+    TARGETS unwind
+    EXPORT global
+    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib
+)

contrib/mariadb-connector-c-cmake/CMakeLists.txt

@@ -62,11 +62,6 @@ endif()
 
 add_library(mysqlclient ${SRCS})
 
-target_link_libraries(mysqlclient PRIVATE ${CMAKE_DL_LIBS} Threads::Threads)
-if(M_LIBRARY)
-    target_link_libraries(mysqlclient PRIVATE ${M_LIBRARY})
-endif()
-
 if(OPENSSL_LIBRARIES)
     target_link_libraries(mysqlclient PRIVATE ${OPENSSL_LIBRARIES})
     target_compile_definitions(mysqlclient PRIVATE -D HAVE_OPENSSL -D HAVE_TLS)

dbms/CMakeLists.txt

@@ -97,8 +97,6 @@ add_subdirectory (src)
 set(dbms_headers)
 set(dbms_sources)
 
-include(../cmake/dbms_glob_sources.cmake)
-
 add_headers_and_sources(clickhouse_common_io src/Common)
 add_headers_and_sources(clickhouse_common_io src/Common/HashTable)
 add_headers_and_sources(clickhouse_common_io src/IO)
@@ -163,9 +161,7 @@ if (OS_FREEBSD)
 endif ()
 
 if (USE_UNWIND)
-    if (NOT USE_INTERNAL_UNWIND_LIBRARY_FOR_EXCEPTION_HANDLING)
+    target_link_libraries (clickhouse_common_io PRIVATE ${UNWIND_LIBRARIES})
-        target_link_libraries (clickhouse_common_io PRIVATE ${UNWIND_LIBRARY})
-    endif ()
 endif ()
 
 add_subdirectory(src/Common/ZooKeeper)
@@ -241,15 +237,10 @@ target_link_libraries(clickhouse_common_io
     ${EXECINFO_LIBRARIES}
         PUBLIC
     ${Boost_SYSTEM_LIBRARY}
+    ${Boost_PROGRAM_OPTIONS_LIBRARY}
         PRIVATE
     apple_rt
         PUBLIC
-    Threads::Threads
-        PRIVATE
-    ${CMAKE_DL_LIBS}
-        PRIVATE
-    rt
-        PUBLIC
     roaring
 )
 
@@ -297,7 +288,6 @@ target_link_libraries (dbms
     ${Boost_FILESYSTEM_LIBRARY}
         PUBLIC
     ${Boost_SYSTEM_LIBRARY}
-    Threads::Threads
 )
 
 target_include_directories(dbms PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/src/Core/include)
@@ -364,10 +354,7 @@ if (USE_ICU)
 endif ()
 
 if (USE_CAPNP)
-    target_link_libraries (dbms PRIVATE ${CAPNP_LIBRARY})
+    target_link_libraries (dbms PRIVATE ${CAPNP_LIBRARIES})
-    if (NOT USE_INTERNAL_CAPNP_LIBRARY)
-        target_include_directories (dbms SYSTEM BEFORE PRIVATE ${CAPNP_INCLUDE_DIR})
-    endif ()
 endif ()
 
 if (USE_PARQUET)
@@ -380,7 +367,6 @@ endif ()
 if(OPENSSL_CRYPTO_LIBRARY)
     target_link_libraries(dbms PRIVATE ${OPENSSL_CRYPTO_LIBRARY})
 endif ()
-target_link_libraries(dbms PRIVATE Threads::Threads)
 
 target_include_directories (dbms SYSTEM BEFORE PRIVATE ${DIVIDE_INCLUDE_DIR})
 target_include_directories (dbms SYSTEM BEFORE PRIVATE ${SPARCEHASH_INCLUDE_DIR})

dbms/programs/CMakeLists.txt

@@ -81,7 +81,6 @@ add_subdirectory (extract-from-config)
 add_subdirectory (compressor)
 add_subdirectory (copier)
 add_subdirectory (format)
-add_subdirectory (clang)
 add_subdirectory (obfuscator)
 
 if (ENABLE_CLICKHOUSE_ODBC_BRIDGE)
@@ -89,9 +88,9 @@ if (ENABLE_CLICKHOUSE_ODBC_BRIDGE)
 endif ()
 
 if (CLICKHOUSE_ONE_SHARED)
-    add_library(clickhouse-lib SHARED ${CLICKHOUSE_SERVER_SOURCES} ${CLICKHOUSE_CLIENT_SOURCES} ${CLICKHOUSE_LOCAL_SOURCES} ${CLICKHOUSE_BENCHMARK_SOURCES} ${CLICKHOUSE_PERFORMANCE_TEST_SOURCES} ${CLICKHOUSE_COPIER_SOURCES} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_SOURCES} ${CLICKHOUSE_COMPRESSOR_SOURCES} ${CLICKHOUSE_FORMAT_SOURCES} ${CLICKHOUSE_OBFUSCATOR_SOURCES} ${CLICKHOUSE_COMPILER_SOURCES} ${CLICKHOUSE_ODBC_BRIDGE_SOURCES})
+    add_library(clickhouse-lib SHARED ${CLICKHOUSE_SERVER_SOURCES} ${CLICKHOUSE_CLIENT_SOURCES} ${CLICKHOUSE_LOCAL_SOURCES} ${CLICKHOUSE_BENCHMARK_SOURCES} ${CLICKHOUSE_PERFORMANCE_TEST_SOURCES} ${CLICKHOUSE_COPIER_SOURCES} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_SOURCES} ${CLICKHOUSE_COMPRESSOR_SOURCES} ${CLICKHOUSE_FORMAT_SOURCES} ${CLICKHOUSE_OBFUSCATOR_SOURCES} ${CLICKHOUSE_ODBC_BRIDGE_SOURCES})
-    target_link_libraries(clickhouse-lib ${CLICKHOUSE_SERVER_LINK} ${CLICKHOUSE_CLIENT_LINK} ${CLICKHOUSE_LOCAL_LINK} ${CLICKHOUSE_BENCHMARK_LINK} ${CLICKHOUSE_PERFORMANCE_TEST_LINK} ${CLICKHOUSE_COPIER_LINK} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_LINK} ${CLICKHOUSE_COMPRESSOR_LINK} ${CLICKHOUSE_FORMAT_LINK} ${CLICKHOUSE_OBFUSCATOR_LINK} ${CLICKHOUSE_COMPILER_LINK}  ${CLICKHOUSE_ODBC_BRIDGE_LINK})
+    target_link_libraries(clickhouse-lib ${CLICKHOUSE_SERVER_LINK} ${CLICKHOUSE_CLIENT_LINK} ${CLICKHOUSE_LOCAL_LINK} ${CLICKHOUSE_BENCHMARK_LINK} ${CLICKHOUSE_PERFORMANCE_TEST_LINK} ${CLICKHOUSE_COPIER_LINK} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_LINK} ${CLICKHOUSE_COMPRESSOR_LINK} ${CLICKHOUSE_FORMAT_LINK} ${CLICKHOUSE_OBFUSCATOR_LINK} ${CLICKHOUSE_ODBC_BRIDGE_LINK})
-    target_include_directories(clickhouse-lib ${CLICKHOUSE_SERVER_INCLUDE} ${CLICKHOUSE_CLIENT_INCLUDE} ${CLICKHOUSE_LOCAL_INCLUDE} ${CLICKHOUSE_BENCHMARK_INCLUDE} ${CLICKHOUSE_PERFORMANCE_TEST_INCLUDE} ${CLICKHOUSE_COPIER_INCLUDE} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_INCLUDE} ${CLICKHOUSE_COMPRESSOR_INCLUDE} ${CLICKHOUSE_FORMAT_INCLUDE} ${CLICKHOUSE_OBFUSCATOR_INCLUDE} ${CLICKHOUSE_COMPILER_INCLUDE} ${CLICKHOUSE_ODBC_BRIDGE_INCLUDE})
+    target_include_directories(clickhouse-lib ${CLICKHOUSE_SERVER_INCLUDE} ${CLICKHOUSE_CLIENT_INCLUDE} ${CLICKHOUSE_LOCAL_INCLUDE} ${CLICKHOUSE_BENCHMARK_INCLUDE} ${CLICKHOUSE_PERFORMANCE_TEST_INCLUDE} ${CLICKHOUSE_COPIER_INCLUDE} ${CLICKHOUSE_EXTRACT_FROM_CONFIG_INCLUDE} ${CLICKHOUSE_COMPRESSOR_INCLUDE} ${CLICKHOUSE_FORMAT_INCLUDE} ${CLICKHOUSE_OBFUSCATOR_INCLUDE} ${CLICKHOUSE_ODBC_BRIDGE_INCLUDE})
     set_target_properties(clickhouse-lib PROPERTIES SOVERSION ${VERSION_MAJOR}.${VERSION_MINOR} VERSION ${VERSION_SO} OUTPUT_NAME clickhouse DEBUG_POSTFIX "")
     install (TARGETS clickhouse-lib LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT clickhouse)
 endif()
@@ -104,10 +103,6 @@ if (CLICKHOUSE_SPLIT_BINARY)
         list (APPEND CLICKHOUSE_ALL_TARGETS clickhouse-odbc-bridge)
     endif ()
 
-    if (USE_EMBEDDED_COMPILER)
-        list (APPEND CLICKHOUSE_ALL_TARGETS clickhouse-clang clickhouse-lld)
-    endif ()
-
     set_target_properties(${CLICKHOUSE_ALL_TARGETS} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ..)
 
     add_custom_target (clickhouse-bundle ALL DEPENDS ${CLICKHOUSE_ALL_TARGETS})
@@ -115,10 +110,6 @@ if (CLICKHOUSE_SPLIT_BINARY)
 
     install(PROGRAMS clickhouse-split-helper DESTINATION ${CMAKE_INSTALL_BINDIR} RENAME clickhouse COMPONENT clickhouse)
 else ()
-    if (USE_EMBEDDED_COMPILER)
-        # before add_executable !
-        link_directories (${LLVM_LIBRARY_DIRS})
-    endif ()
     add_executable (clickhouse main.cpp)
     target_link_libraries (clickhouse PRIVATE clickhouse_common_io string_utils)
     target_include_directories (clickhouse BEFORE PRIVATE ${COMMON_INCLUDE_DIR})
@@ -154,9 +145,6 @@ else ()
     if (ENABLE_CLICKHOUSE_OBFUSCATOR)
         clickhouse_target_link_split_lib(clickhouse obfuscator)
     endif ()
-    if (USE_EMBEDDED_COMPILER)
-        target_link_libraries(clickhouse PRIVATE clickhouse-compiler-lib)
-    endif ()
 
     set (CLICKHOUSE_BUNDLE)
     if (ENABLE_CLICKHOUSE_SERVER)
@@ -213,18 +201,8 @@ else ()
         list(APPEND CLICKHOUSE_BUNDLE clickhouse-odbc-bridge)
     endif()
 
-    # install always because depian package want this files:
-    add_custom_target (clickhouse-clang ALL COMMAND ${CMAKE_COMMAND} -E create_symlink clickhouse clickhouse-clang DEPENDS clickhouse)
-    add_custom_target (clickhouse-lld ALL COMMAND ${CMAKE_COMMAND} -E create_symlink clickhouse clickhouse-lld DEPENDS clickhouse)
-    list(APPEND CLICKHOUSE_BUNDLE clickhouse-clang clickhouse-lld)
-
     install (TARGETS clickhouse RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT clickhouse)
 
-    install (FILES
-       ${CMAKE_CURRENT_BINARY_DIR}/clickhouse-clang
-       ${CMAKE_CURRENT_BINARY_DIR}/clickhouse-lld
-       DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT clickhouse)
-
     add_custom_target (clickhouse-bundle ALL DEPENDS ${CLICKHOUSE_BUNDLE})
 
 endif ()

dbms/programs/benchmark/Benchmark.cpp

@@ -32,6 +32,8 @@
 #include <Client/Connection.h>
 #include <Common/InterruptListener.h>
 #include <Common/Config/configReadClient.h>
+#include <Common/TerminalSize.h>
+#include <Common/StudentTTest.h>
 
 
 /** A tool for evaluating ClickHouse performance.
@@ -41,6 +43,8 @@
 namespace DB
 {
 
+using Ports = std::vector<UInt16>;
+
 namespace ErrorCodes
 {
     extern const int BAD_ARGUMENTS;
@@ -50,17 +54,34 @@ namespace ErrorCodes
 class Benchmark : public Poco::Util::Application
 {
 public:
-    Benchmark(unsigned concurrency_, double delay_,
+    Benchmark(unsigned concurrency_, double delay_, Strings && hosts_, Ports && ports_,
-            const String & host_, UInt16 port_, bool secure_, const String & default_database_,
+            bool cumulative_, bool secure_, const String & default_database_,
             const String & user_, const String & password_, const String & stage,
             bool randomize_, size_t max_iterations_, double max_time_,
-            const String & json_path_, const Settings & settings_)
+            const String & json_path_, size_t confidence_, const Settings & settings_)
         :
-        concurrency(concurrency_), delay(delay_), queue(concurrency),
+        concurrency(concurrency_), delay(delay_), queue(concurrency), randomize(randomize_),
-        connections(concurrency, host_, port_, default_database_, user_, password_, "benchmark", Protocol::Compression::Enable, secure_ ? Protocol::Secure::Enable : Protocol::Secure::Disable),
+        cumulative(cumulative_), max_iterations(max_iterations_), max_time(max_time_),
-        randomize(randomize_), max_iterations(max_iterations_), max_time(max_time_),
+        confidence(confidence_), json_path(json_path_), settings(settings_),
-        json_path(json_path_), settings(settings_), global_context(Context::createGlobal()), pool(concurrency)
+        global_context(Context::createGlobal()), pool(concurrency)
     {
+        const auto secure = secure_ ? Protocol::Secure::Enable : Protocol::Secure::Disable;
+        size_t connections_cnt = std::max(ports_.size(), hosts_.size());
+
+        connections.reserve(connections_cnt);
+        comparison_info_total.reserve(connections_cnt);
+        comparison_info_per_interval.reserve(connections_cnt);
+
+        for (size_t i = 0; i < connections_cnt; ++i)
+        {
+            UInt16 cur_port = i >= ports_.size() ? 9000 : ports_[i];
+            std::string cur_host = i >= hosts_.size() ? "localhost" : hosts_[i];
+
+            connections.emplace_back(std::make_unique<ConnectionPool>(concurrency, cur_host, cur_port, default_database_, user_, password_, "benchmark", Protocol::Compression::Enable, secure));
+            comparison_info_per_interval.emplace_back(std::make_shared<Stats>());
+            comparison_info_total.emplace_back(std::make_shared<Stats>());
+        }
+
         global_context.makeGlobalContext();
 
         std::cerr << std::fixed << std::setprecision(3);
@@ -101,21 +122,29 @@ public:
     }
 
 private:
-    using Query = std::string;
+    using Entry = ConnectionPool::Entry;
+    using EntryPtr = std::shared_ptr<Entry>;
+    using EntryPtrs = std::vector<EntryPtr>;
 
     unsigned concurrency;
     double delay;
 
+    using Query = std::string;
     using Queries = std::vector<Query>;
     Queries queries;
 
     using Queue = ConcurrentBoundedQueue<Query>;
     Queue queue;
 
-    ConnectionPool connections;
+    using ConnectionPoolUniq = std::unique_ptr<ConnectionPool>;
+    using ConnectionPoolUniqs = std::vector<ConnectionPoolUniq>;
+    ConnectionPoolUniqs connections;
+
     bool randomize;
+    bool cumulative;
     size_t max_iterations;
     double max_time;
+    size_t confidence;
     String json_path;
     Settings settings;
     Context global_context;
@@ -128,12 +157,12 @@ private:
 
     struct Stats
     {
-        Stopwatch watch;
         std::atomic<size_t> queries{0};
         size_t read_rows = 0;
         size_t read_bytes = 0;
         size_t result_rows = 0;
         size_t result_bytes = 0;
+        double work_time = 0;
 
         using Sampler = ReservoirSampler<double>;
         Sampler sampler {1 << 16};
@@ -141,6 +170,7 @@ private:
         void add(double seconds, size_t read_rows_inc, size_t read_bytes_inc, size_t result_rows_inc, size_t result_bytes_inc)
         {
             ++queries;
+            work_time += seconds;
             read_rows += read_rows_inc;
             read_bytes += read_bytes_inc;
             result_rows += result_rows_inc;
@@ -150,8 +180,8 @@ private:
 
         void clear()
         {
-            watch.restart();
             queries = 0;
+            work_time = 0;
             read_rows = 0;
             read_bytes = 0;
             result_rows = 0;
@@ -160,15 +190,18 @@ private:
         }
     };
 
-    Stats info_per_interval;
+    using MultiStats = std::vector<std::shared_ptr<Stats>>;
-    Stats info_total;
+    MultiStats comparison_info_per_interval;
+    MultiStats comparison_info_total;
+    StudentTTest t_test;
+
+    Stopwatch total_watch;
     Stopwatch delay_watch;
 
     std::mutex mutex;
 
     ThreadPool pool;
 
-
     void readQueries()
     {
         ReadBufferFromFileDescriptor in(STDIN_FILENO);
@@ -213,7 +246,7 @@ private:
                 return false;
             }
 
-            if (max_time > 0 && info_total.watch.elapsedSeconds() >= max_time)
+            if (max_time > 0 && total_watch.elapsedSeconds() >= max_time)
             {
                 std::cout << "Stopping launch of queries. Requested time limit is exhausted.\n";
                 return false;
@@ -227,8 +260,8 @@ private:
 
             if (delay > 0 && delay_watch.elapsedSeconds() > delay)
             {
-                printNumberOfQueriesExecuted(info_total.queries);
+                printNumberOfQueriesExecuted(queries_executed);
-                report(info_per_interval);
+                cumulative ? report(comparison_info_total) : report(comparison_info_per_interval);
                 delay_watch.restart();
             }
         }
@@ -242,11 +275,17 @@ private:
         std::uniform_int_distribution<size_t> distribution(0, queries.size() - 1);
 
         for (size_t i = 0; i < concurrency; ++i)
-            pool.schedule(std::bind(&Benchmark::thread, this,
+        {
-                                    connections.get(ConnectionTimeouts::getTCPTimeoutsWithoutFailover(settings))));
+            EntryPtrs connection_entries;
+            connection_entries.reserve(connections.size());
+
+            for (const auto & connection : connections)
+                connection_entries.emplace_back(std::make_shared<Entry>(connection->get(ConnectionTimeouts::getTCPTimeoutsWithoutFailover(settings))));
+
+            pool.schedule(std::bind(&Benchmark::thread, this, connection_entries));
+        }
 
         InterruptListener interrupt_listener;
-        info_per_interval.watch.restart();
         delay_watch.restart();
 
         /// Push queries into queue
@@ -262,20 +301,24 @@ private:
         }
 
         pool.wait();
-        info_total.watch.stop();
+        total_watch.stop();
 
         if (!json_path.empty())
-            reportJSON(info_total, json_path);
+            reportJSON(comparison_info_total, json_path);
 
-        printNumberOfQueriesExecuted(info_total.queries);
+        printNumberOfQueriesExecuted(queries_executed);
-        report(info_total);
+        report(comparison_info_total);
     }
 
 
-    void thread(ConnectionPool::Entry connection)
+    void thread(EntryPtrs & connection_entries)
     {
         Query query;
 
+        /// Randomly choosing connection index
+        pcg64 generator(randomSeed());
+        std::uniform_int_distribution<size_t> distribution(0, connection_entries.size() - 1);
+
         try
         {
             /// In these threads we do not accept INT signal.
@@ -296,8 +339,7 @@ private:
                     if (shutdown || (max_iterations && queries_executed == max_iterations))
                         return;
                 }
-
+                execute(connection_entries, query, distribution(generator));
-                execute(connection, query);
                 ++queries_executed;
             }
         }
@@ -309,20 +351,19 @@ private:
         }
     }
 
-
+    void execute(EntryPtrs & connection_entries, Query & query, size_t connection_index)
-    void execute(ConnectionPool::Entry & connection, Query & query)
     {
         Stopwatch watch;
         RemoteBlockInputStream stream(
-            *connection,
+            *(*connection_entries[connection_index]),
             query, {}, global_context, &settings, nullptr, Tables(), query_processing_stage);
 
         Progress progress;
         stream.setProgressCallback([&progress](const Progress & value) { progress.incrementPiecewiseAtomically(value); });
 
         stream.readPrefix();
-        while (Block block = stream.read())
+        while (Block block = stream.read());
-            ;
+
         stream.readSuffix();
 
         const BlockStreamProfileInfo & info = stream.getProfileInfo();
@@ -330,33 +371,47 @@ private:
         double seconds = watch.elapsedSeconds();
 
         std::lock_guard lock(mutex);
-        info_per_interval.add(seconds, progress.read_rows, progress.read_bytes, info.rows, info.bytes);
+
-        info_total.add(seconds, progress.read_rows, progress.read_bytes, info.rows, info.bytes);
+        comparison_info_per_interval[connection_index]->add(seconds, progress.read_rows, progress.read_bytes, info.rows, info.bytes);
+        comparison_info_total[connection_index]->add(seconds, progress.read_rows, progress.read_bytes, info.rows, info.bytes);
+        t_test.add(connection_index, seconds);
     }
 
-
+    void report(MultiStats & infos)
-    void report(Stats & info)
     {
         std::lock_guard lock(mutex);
 
-        /// Avoid zeros, nans or exceptions
+        std::cerr << "\n";
-        if (0 == info.queries)
+        for (size_t i = 0; i < infos.size(); ++i)
-            return;
+        {
+            const auto & info = infos[i];
 
-        double seconds = info.watch.elapsedSeconds();
+            /// Avoid zeros, nans or exceptions
+            if (0 == info->queries)
+                return;
 
-        std::cerr
+            double seconds = info->work_time / concurrency;
-            << "\n"
+
-            << "QPS: " << (info.queries / seconds) << ", "
+            std::cerr
-            << "RPS: " << (info.read_rows / seconds) << ", "
+                    << connections[i]->getDescription() << ", "
-            << "MiB/s: " << (info.read_bytes / seconds / 1048576) << ", "
+                    << "queries " << info->queries << ", "
-            << "result RPS: " << (info.result_rows / seconds) << ", "
+                    << "QPS: " << (info->queries / seconds) << ", "
-            << "result MiB/s: " << (info.result_bytes / seconds / 1048576) << "."
+                    << "RPS: " << (info->read_rows / seconds) << ", "
-            << "\n";
+                    << "MiB/s: " << (info->read_bytes / seconds / 1048576) << ", "
+                    << "result RPS: " << (info->result_rows / seconds) << ", "
+                    << "result MiB/s: " << (info->result_bytes / seconds / 1048576) << "."
+                    << "\n";
+        }
+        std::cerr << "\n";
 
         auto print_percentile = [&](double percent)
         {
-            std::cerr << percent << "%\t" << info.sampler.quantileInterpolated(percent / 100.0) << " sec." << std::endl;
+            std::cerr << percent << "%\t\t";
+            for (const auto & info : infos)
+            {
+                std::cerr << info->sampler.quantileInterpolated(percent / 100.0) << " sec." << "\t";
+            }
+            std::cerr << "\n";
         };
 
         for (int percent = 0; percent <= 90; percent += 10)
@@ -367,10 +422,16 @@ private:
         print_percentile(99.9);
         print_percentile(99.99);
 
-        info.clear();
+        std::cerr << "\n" << t_test.compareAndReport(confidence).second << "\n";
+
+        if (!cumulative)
+        {
+            for (auto & info : infos)
+                info->clear();
+        }
     }
 
-    void reportJSON(Stats & info, const std::string & filename)
+    void reportJSON(MultiStats & infos, const std::string & filename)
     {
         WriteBufferFromFile json_out(filename);
 
@@ -381,36 +442,41 @@ private:
             json_out << double_quote << key << ": " << value << (with_comma ? ",\n" : "\n");
         };
 
-        auto print_percentile = [&json_out, &info](auto percent, bool with_comma = true)
+        auto print_percentile = [&json_out](Stats & info, auto percent, bool with_comma = true)
         {
             json_out << "\"" << percent << "\"" << ": " << info.sampler.quantileInterpolated(percent / 100.0) << (with_comma ? ",\n" : "\n");
         };
 
         json_out << "{\n";
 
-        json_out << double_quote << "statistics" << ": {\n";
+        for (size_t i = 0; i < infos.size(); ++i)
+        {
+            const auto & info = infos[i];
 
-        double seconds = info.watch.elapsedSeconds();
+            json_out << double_quote << connections[i]->getDescription() << ": {\n";
-        print_key_value("QPS", info.queries / seconds);
+            json_out << double_quote << "statistics" << ": {\n";
-        print_key_value("RPS", info.read_rows / seconds);
-        print_key_value("MiBPS", info.read_bytes / seconds);
-        print_key_value("RPS_result", info.result_rows / seconds);
-        print_key_value("MiBPS_result", info.result_bytes / seconds);
-        print_key_value("num_queries", info.queries.load(), false);
 
-        json_out << "},\n";
+            print_key_value("QPS", info->queries / info->work_time);
+            print_key_value("RPS", info->read_rows / info->work_time);
+            print_key_value("MiBPS", info->read_bytes / info->work_time);
+            print_key_value("RPS_result", info->result_rows / info->work_time);
+            print_key_value("MiBPS_result", info->result_bytes / info->work_time);
+            print_key_value("num_queries", info->queries.load(), false);
 
-        json_out << double_quote << "query_time_percentiles" << ": {\n";
+            json_out << "},\n";
+            json_out << double_quote << "query_time_percentiles" << ": {\n";
 
-        for (int percent = 0; percent <= 90; percent += 10)
+            for (int percent = 0; percent <= 90; percent += 10)
-            print_percentile(percent);
+                print_percentile(*info, percent);
 
-        print_percentile(95);
+            print_percentile(*info, 95);
-        print_percentile(99);
+            print_percentile(*info, 99);
-        print_percentile(99.9);
+            print_percentile(*info, 99.9);
-        print_percentile(99.99, false);
+            print_percentile(*info, 99.99, false);
 
-        json_out << "}\n";
+            json_out << "}\n";
+            json_out << (i == infos.size() - 1 ? "}\n" : "},\n");
+        }
 
         json_out << "}\n";
     }
@@ -439,7 +505,7 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
     {
         using boost::program_options::value;
 
-        boost::program_options::options_description desc("Allowed options");
+        boost::program_options::options_description desc = createOptionsDescription("Allowed options", getTerminalWidth());
         desc.add_options()
             ("help",                                                            "produce help message")
             ("concurrency,c", value<unsigned>()->default_value(1),              "number of parallel queries")
@@ -449,13 +515,15 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
             ("timelimit,t",   value<double>()->default_value(0.),               "stop launch of queries after specified time limit")
             ("randomize,r",   value<bool>()->default_value(false),              "randomize order of execution")
             ("json",          value<std::string>()->default_value(""),          "write final report to specified file in JSON format")
-            ("host,h",        value<std::string>()->default_value("localhost"), "")
+            ("host,h",        value<Strings>()->multitoken(),                   "")
-            ("port",          value<UInt16>()->default_value(9000),             "")
+            ("port,p",        value<Ports>()->multitoken(),                     "")
+            ("cumulative",                                                      "prints cumulative data instead of data per interval")
             ("secure,s",                                                        "Use TLS connection")
             ("user",          value<std::string>()->default_value("default"),   "")
             ("password",      value<std::string>()->default_value(""),          "")
             ("database",      value<std::string>()->default_value("default"),   "")
             ("stacktrace",                                                      "print stack traces of exceptions")
+            ("confidence",    value<size_t>()->default_value(5),                "set the level of confidence for T-test [0=80%, 1=90%, 2=95%, 3=98%, 4=99%, 5=99.5%(default)")
         ;
 
         Settings settings;
@@ -475,12 +543,15 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
         print_stacktrace = options.count("stacktrace");
 
         UseSSL use_ssl;
+        Ports ports = options.count("port") ? options["port"].as<Ports>() : Ports({9000});
+        Strings hosts = options.count("host") ? options["host"].as<Strings>() : Strings({"localhost"});
 
         Benchmark benchmark(
             options["concurrency"].as<unsigned>(),
             options["delay"].as<double>(),
-            options["host"].as<std::string>(),
+            std::move(hosts),
-            options["port"].as<UInt16>(),
+            std::move(ports),
+            options.count("cumulative"),
             options.count("secure"),
             options["database"].as<std::string>(),
             options["user"].as<std::string>(),
@@ -490,6 +561,7 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
             options["iterations"].as<size_t>(),
             options["timelimit"].as<double>(),
             options["json"].as<std::string>(),
+            options["confidence"].as<size_t>(),
             settings);
         return benchmark.run();
     }

dbms/programs/clang/CMakeLists.txt

@@ -1,38 +0,0 @@
-if (USE_EMBEDDED_COMPILER)
-    add_subdirectory ("Compiler-${LLVM_VERSION}")
-endif ()
-
-if (CLICKHOUSE_SPLIT_BINARY)
-    if (USE_EMBEDDED_COMPILER)
-        link_directories (${LLVM_LIBRARY_DIRS})
-        add_executable (clickhouse-clang clickhouse-clang.cpp)
-        target_link_libraries (clickhouse-clang PRIVATE clickhouse-compiler-lib)
-        add_executable (clickhouse-lld clickhouse-lld.cpp)
-        target_link_libraries (clickhouse-lld PRIVATE clickhouse-compiler-lib)
-        install (TARGETS clickhouse-clang clickhouse-lld RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT clickhouse)
-    endif ()
-endif ()
-
-set (TMP_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/${INTERNAL_COMPILER_HEADERS_RELATIVE}")
-# Make and install empty dir for debian package if compiler disabled
-add_custom_target (make-headers-directory ALL COMMAND ${CMAKE_COMMAND} -E make_directory ${TMP_HEADERS_DIR})
-install (DIRECTORY ${TMP_HEADERS_DIR} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/clickhouse/${INTERNAL_COMPILER_HEADERS_DIR} COMPONENT clickhouse)
-# TODO: fix on macos copy_headers.sh: sed --posix
-
-if (USE_EMBEDDED_COMPILER)
-    set (COPY_HEADERS_COMPILER "${CMAKE_CURRENT_BINARY_DIR}/../${INTERNAL_COMPILER_EXECUTABLE}")
-    set (COPY_HEADERS_DEPENDS clickhouse-clang)
-elseif (EXISTS ${INTERNAL_COMPILER_BIN_ROOT}${INTERNAL_COMPILER_EXECUTABLE})
-    set (COPY_HEADERS_COMPILER "${INTERNAL_COMPILER_BIN_ROOT}${INTERNAL_COMPILER_EXECUTABLE}")
-endif ()
-
-if (COPY_HEADERS_COMPILER)
-    add_custom_target (copy-headers [ -f ${TMP_HEADERS_DIR}/dbms/src/Interpreters/SpecializedAggregator.h ] || env CLANG=${COPY_HEADERS_COMPILER} BUILD_PATH=${ClickHouse_BINARY_DIR} DESTDIR=${ClickHouse_SOURCE_DIR} CMAKE_CXX_COMPILER_VERSION=${CMAKE_CXX_COMPILER_VERSION} ${CMAKE_CURRENT_SOURCE_DIR}/copy_headers.sh ${ClickHouse_SOURCE_DIR} ${TMP_HEADERS_DIR} DEPENDS ${COPY_HEADERS_DEPENDS} WORKING_DIRECTORY ${ClickHouse_SOURCE_DIR} SOURCES copy_headers.sh)
-
-    if (USE_INTERNAL_LLVM_LIBRARY)
-        set (CLANG_HEADERS_DIR "${ClickHouse_SOURCE_DIR}/contrib/llvm/clang/lib/Headers")
-        set (CLANG_HEADERS_DEST "${TMP_HEADERS_DIR}/usr/local/lib/clang/${LLVM_VERSION}/include") # original: ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}/include
-        add_custom_target (copy-headers-clang ${CMAKE_COMMAND} -E make_directory ${CLANG_HEADERS_DEST} && ${CMAKE_COMMAND} -E copy_if_different ${CLANG_HEADERS_DIR}/* ${CLANG_HEADERS_DEST} )
-        add_dependencies (copy-headers copy-headers-clang)
-    endif ()
-endif ()

dbms/programs/clang/Compiler-5.0.0/CMakeLists.txt

@@ -1,53 +0,0 @@
-add_definitions(-Wno-error -Wno-unused-parameter -Wno-non-virtual-dtor -U_LIBCPP_DEBUG)
-
-link_directories(${LLVM_LIBRARY_DIRS})
-
-add_library(clickhouse-compiler-lib
-    driver.cpp
-    cc1_main.cpp
-    cc1as_main.cpp
-    lld.cpp)
-
-target_compile_options(clickhouse-compiler-lib PRIVATE -fno-rtti -fno-exceptions -g0)
-
-string(REPLACE "${INCLUDE_DEBUG_HELPERS}" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # cant compile with -fno-rtti
-
-llvm_libs_all(REQUIRED_LLVM_LIBRARIES)
-
-message(STATUS "Using LLVM ${LLVM_VERSION}: ${LLVM_INCLUDE_DIRS} : ${REQUIRED_LLVM_LIBRARIES}")
-
-target_include_directories(clickhouse-compiler-lib SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-
-# This is extracted almost directly from CMakeFiles/.../link.txt in LLVM build directory.
-
-target_link_libraries(clickhouse-compiler-lib PRIVATE
-
-clangBasic clangCodeGen clangDriver clangFrontend clangFrontendTool
-clangRewriteFrontend clangARCMigrate clangStaticAnalyzerFrontend
-clangParse clangSerialization clangSema clangEdit clangStaticAnalyzerCheckers
-clangASTMatchers clangStaticAnalyzerCore clangAnalysis clangAST clangRewrite clangLex clangBasic
-
-lldCOFF
-lldDriver
-lldELF
-#lldMinGW
-lldMachO
-lldReaderWriter
-lldYAML
-#lldCommon
-lldCore
-lldConfig
-
-${REQUIRED_LLVM_LIBRARIES}
-
-LLVMSupport
-
-#Polly
-#PollyISL
-#PollyPPCG
-
-PUBLIC ${ZLIB_LIBRARIES} ${EXECINFO_LIBRARIES} Threads::Threads
-${MALLOC_LIBRARIES}
-${GLIBC_COMPATIBILITY_LIBRARIES}
-${MEMCPY_LIBRARIES}
-)

dbms/programs/clang/Compiler-5.0.0/LICENSE.TXT

@@ -1,63 +0,0 @@
-==============================================================================
-LLVM Release License
-==============================================================================
-University of Illinois/NCSA
-Open Source License
-
-Copyright (c) 2007-2016 University of Illinois at Urbana-Champaign.
-All rights reserved.
-
-Developed by:
-
-    LLVM Team
-
-    University of Illinois at Urbana-Champaign
-
-    http://llvm.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal with
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimers.
-
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimers in the
-      documentation and/or other materials provided with the distribution.
-
-    * Neither the names of the LLVM Team, University of Illinois at
-      Urbana-Champaign, nor the names of its contributors may be used to
-      endorse or promote products derived from this Software without specific
-      prior written permission.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
-SOFTWARE.
-
-==============================================================================
-The LLVM software contains code written by third parties.  Such software will
-have its own individual LICENSE.TXT file in the directory in which it appears.
-This file will describe the copyrights, license, and restrictions which apply
-to that code.
-
-The disclaimer of warranty in the University of Illinois Open Source License
-applies to all code in the LLVM Distribution, and nothing in any of the
-other licenses gives permission to use the names of the LLVM Team or the
-University of Illinois to endorse or promote products derived from this
-Software.
-
-The following pieces of software have additional or alternate copyrights,
-licenses, and/or restrictions:
-
-Program             Directory
--------             ---------
-<none yet>
-

dbms/programs/clang/Compiler-5.0.0/cc1_main.cpp

@@ -1,242 +0,0 @@
-//===-- cc1_main.cpp - Clang CC1 Compiler Frontend ------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1 functionality, which implements the
-// core compiler functionality along with a number of additional tools for
-// demonstration and testing purposes.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Option/Arg.h"
-#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
-#include "clang/Config/config.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticBuffer.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/FrontendTool/Utils.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstdio>
-
-#ifdef CLANG_HAVE_RLIMITS
-#include <sys/resource.h>
-#endif
-
-// have no .a version in packages
-#undef LINK_POLLY_INTO_TOOLS
-
-using namespace clang;
-using namespace llvm::opt;
-
-//===----------------------------------------------------------------------===//
-// Main driver
-//===----------------------------------------------------------------------===//
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // Run the interrupt handlers to make sure any special cleanups get done, in
-  // particular that we remove files registered with RemoveFileOnSignal.
-  llvm::sys::RunInterruptHandlers();
-
-  // We cannot recover from llvm errors.  When reporting a fatal error, exit
-  // with status 70 to generate crash diagnostics.  For BSD systems this is
-  // defined as an internal software error.  Otherwise, exit with status 1.
-  exit(GenCrashDiag ? 70 : 1);
-}
-
-#ifdef LINK_POLLY_INTO_TOOLS
-namespace polly {
-void initializePollyPasses(llvm::PassRegistry &Registry);
-}
-#endif
-
-#ifdef CLANG_HAVE_RLIMITS
-// The amount of stack we think is "sufficient". If less than this much is
-// available, we may be unable to reach our template instantiation depth
-// limit and other similar limits.
-// FIXME: Unify this with the stack we request when spawning a thread to build
-// a module.
-static const int kSufficientStack = 8 << 20;
-
-#if defined(__linux__) && defined(__PIE__)
-static size_t getCurrentStackAllocation() {
-  // If we can't compute the current stack usage, allow for 512K of command
-  // line arguments and environment.
-  size_t Usage = 512 * 1024;
-  if (FILE *StatFile = fopen("/proc/self/stat", "r")) {
-    // We assume that the stack extends from its current address to the end of
-    // the environment space. In reality, there is another string literal (the
-    // program name) after the environment, but this is close enough (we only
-    // need to be within 100K or so).
-    unsigned long StackPtr, EnvEnd;
-    // Disable silly GCC -Wformat warning that complains about length
-    // modifiers on ignored format specifiers. We want to retain these
-    // for documentation purposes even though they have no effect.
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-#endif
-    if (fscanf(StatFile,
-               "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %*lu "
-               "%*lu %*ld %*ld %*ld %*ld %*ld %*ld %*llu %*lu %*ld %*lu %*lu "
-               "%*lu %*lu %lu %*lu %*lu %*lu %*lu %*lu %*llu %*lu %*lu %*d %*d "
-               "%*u %*u %*llu %*lu %*ld %*lu %*lu %*lu %*lu %*lu %*lu %lu %*d",
-               &StackPtr, &EnvEnd) == 2) {
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic pop
-#endif
-      Usage = StackPtr < EnvEnd ? EnvEnd - StackPtr : StackPtr - EnvEnd;
-    }
-    fclose(StatFile);
-  }
-  return Usage;
-}
-
-#include <alloca.h>
-
-LLVM_ATTRIBUTE_NOINLINE
-static void ensureStackAddressSpace(int ExtraChunks = 0) {
-  // Linux kernels prior to 4.1 will sometimes locate the heap of a PIE binary
-  // relatively close to the stack (they are only guaranteed to be 128MiB
-  // apart). This results in crashes if we happen to heap-allocate more than
-  // 128MiB before we reach our stack high-water mark.
-  //
-  // To avoid these crashes, ensure that we have sufficient virtual memory
-  // pages allocated before we start running.
-  size_t Curr = getCurrentStackAllocation();
-  const int kTargetStack = kSufficientStack - 256 * 1024;
-  if (Curr < kTargetStack) {
-    volatile char *volatile Alloc =
-        static_cast<volatile char *>(alloca(kTargetStack - Curr));
-    Alloc[0] = 0;
-    Alloc[kTargetStack - Curr - 1] = 0;
-  }
-}
-#else
-static void ensureStackAddressSpace() {}
-#endif
-
-/// Attempt to ensure that we have at least 8MiB of usable stack space.
-static void ensureSufficientStack() {
-  struct rlimit rlim;
-  if (getrlimit(RLIMIT_STACK, &rlim) != 0)
-    return;
-
-  // Increase the soft stack limit to our desired level, if necessary and
-  // possible.
-  if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < kSufficientStack) {
-    // Try to allocate sufficient stack.
-    if (rlim.rlim_max == RLIM_INFINITY || rlim.rlim_max >= kSufficientStack)
-      rlim.rlim_cur = kSufficientStack;
-    else if (rlim.rlim_cur == rlim.rlim_max)
-      return;
-    else
-      rlim.rlim_cur = rlim.rlim_max;
-
-    if (setrlimit(RLIMIT_STACK, &rlim) != 0 ||
-        rlim.rlim_cur != kSufficientStack)
-      return;
-  }
-
-  // We should now have a stack of size at least kSufficientStack. Ensure
-  // that we can actually use that much, if necessary.
-  ensureStackAddressSpace();
-}
-#else
-static void ensureSufficientStack() {}
-#endif
-
-int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  ensureSufficientStack();
-
-  std::unique_ptr<CompilerInstance> Clang(new CompilerInstance());
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  // Register the support for object-file-wrapped Clang modules.
-  auto PCHOps = Clang->getPCHContainerOperations();
-  PCHOps->registerWriter(llvm::make_unique<ObjectFilePCHContainerWriter>());
-  PCHOps->registerReader(llvm::make_unique<ObjectFilePCHContainerReader>());
-
-  // Initialize targets first, so that --version shows registered targets.
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmPrinters();
-  llvm::InitializeAllAsmParsers();
-
-#ifdef LINK_POLLY_INTO_TOOLS
-  llvm::PassRegistry &Registry = *llvm::PassRegistry::getPassRegistry();
-  polly::initializePollyPasses(Registry);
-#endif
-
-  // Buffer diagnostics from argument parsing so that we can output them using a
-  // well formed diagnostic object.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagsBuffer);
-  bool Success = CompilerInvocation::CreateFromArgs(
-      Clang->getInvocation(), Argv.begin(), Argv.end(), Diags);
-
-  // Infer the builtin include path if unspecified.
-  if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
-      Clang->getHeaderSearchOpts().ResourceDir.empty())
-    Clang->getHeaderSearchOpts().ResourceDir =
-      CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
-
-  // Create the actual diagnostics engine.
-  Clang->createDiagnostics();
-  if (!Clang->hasDiagnostics())
-    return 1;
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  llvm::install_fatal_error_handler(LLVMErrorHandler,
-                                  static_cast<void*>(&Clang->getDiagnostics()));
-
-  DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
-  if (!Success)
-    return 1;
-
-  // Execute the frontend actions.
-  Success = ExecuteCompilerInvocation(Clang.get());
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-  // Our error handler depends on the Diagnostics object, which we're
-  // potentially about to delete. Uninstall the handler now so that any
-  // later errors use the default handling behavior instead.
-  llvm::remove_fatal_error_handler();
-
-  // When running with -disable-free, don't do any destruction or shutdown.
-  if (Clang->getFrontendOpts().DisableFree) {
-    BuryPointer(std::move(Clang));
-    return !Success;
-  }
-
-  return !Success;
-}

dbms/programs/clang/Compiler-5.0.0/cc1as_main.cpp

@@ -1,540 +0,0 @@
-//===-- cc1as_main.cpp - Clang Assembler  ---------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1as functionality, which implements
-// the direct interface to the LLVM MC based assembler.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/MC/MCAsmBackend.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCCodeEmitter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace clang::driver::options;
-using namespace llvm;
-using namespace llvm::opt;
-
-namespace {
-
-/// \brief Helper class for representing a single invocation of the assembler.
-struct AssemblerInvocation {
-  /// @name Target Options
-  /// @{
-
-  /// The name of the target triple to assemble for.
-  std::string Triple;
-
-  /// If given, the name of the target CPU to determine which instructions
-  /// are legal.
-  std::string CPU;
-
-  /// The list of target specific features to enable or disable -- this should
-  /// be a list of strings starting with '+' or '-'.
-  std::vector<std::string> Features;
-
-  /// The list of symbol definitions.
-  std::vector<std::string> SymbolDefs;
-
-  /// @}
-  /// @name Language Options
-  /// @{
-
-  std::vector<std::string> IncludePaths;
-  unsigned NoInitialTextSection : 1;
-  unsigned SaveTemporaryLabels : 1;
-  unsigned GenDwarfForAssembly : 1;
-  unsigned RelaxELFRelocations : 1;
-  unsigned DwarfVersion;
-  std::string DwarfDebugFlags;
-  std::string DwarfDebugProducer;
-  std::string DebugCompilationDir;
-  llvm::DebugCompressionType CompressDebugSections =
-      llvm::DebugCompressionType::None;
-  std::string MainFileName;
-
-  /// @}
-  /// @name Frontend Options
-  /// @{
-
-  std::string InputFile;
-  std::vector<std::string> LLVMArgs;
-  std::string OutputPath;
-  enum FileType {
-    FT_Asm,  ///< Assembly (.s) output, transliterate mode.
-    FT_Null, ///< No output, for timing purposes.
-    FT_Obj   ///< Object file output.
-  };
-  FileType OutputType;
-  unsigned ShowHelp : 1;
-  unsigned ShowVersion : 1;
-
-  /// @}
-  /// @name Transliterate Options
-  /// @{
-
-  unsigned OutputAsmVariant;
-  unsigned ShowEncoding : 1;
-  unsigned ShowInst : 1;
-
-  /// @}
-  /// @name Assembler Options
-  /// @{
-
-  unsigned RelaxAll : 1;
-  unsigned NoExecStack : 1;
-  unsigned FatalWarnings : 1;
-  unsigned IncrementalLinkerCompatible : 1;
-
-  /// The name of the relocation model to use.
-  std::string RelocationModel;
-
-  /// @}
-
-public:
-  AssemblerInvocation() {
-    Triple = "";
-    NoInitialTextSection = 0;
-    InputFile = "-";
-    OutputPath = "-";
-    OutputType = FT_Asm;
-    OutputAsmVariant = 0;
-    ShowInst = 0;
-    ShowEncoding = 0;
-    RelaxAll = 0;
-    NoExecStack = 0;
-    FatalWarnings = 0;
-    IncrementalLinkerCompatible = 0;
-    DwarfVersion = 0;
-  }
-
-  static bool CreateFromArgs(AssemblerInvocation &Res,
-                             ArrayRef<const char *> Argv,
-                             DiagnosticsEngine &Diags);
-};
-
-}
-
-bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
-                                         ArrayRef<const char *> Argv,
-                                         DiagnosticsEngine &Diags) {
-  bool Success = true;
-
-  // Parse the arguments.
-  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());
-
-  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
-                                        IncludedFlagsBitmask);
-
-  // Check for missing argument error.
-  if (MissingArgCount) {
-    Diags.Report(diag::err_drv_missing_argument)
-        << Args.getArgString(MissingArgIndex) << MissingArgCount;
-    Success = false;
-  }
-
-  // Issue errors on unknown arguments.
-  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
-    Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-    Success = false;
-  }
-
-  // Construct the invocation.
-
-  // Target Options
-  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
-  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
-  Opts.Features = Args.getAllArgValues(OPT_target_feature);
-
-  // Use the default target triple if unspecified.
-  if (Opts.Triple.empty())
-    Opts.Triple = llvm::sys::getDefaultTargetTriple();
-
-  // Language Options
-  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
-  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
-  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
-  // Any DebugInfoKind implies GenDwarfForAssembly.
-  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
-
-  if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
-                                     OPT_compress_debug_sections_EQ)) {
-    if (A->getOption().getID() == OPT_compress_debug_sections) {
-      // TODO: be more clever about the compression type auto-detection
-      Opts.CompressDebugSections = llvm::DebugCompressionType::GNU;
-    } else {
-      Opts.CompressDebugSections =
-          llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
-              .Case("none", llvm::DebugCompressionType::None)
-              .Case("zlib", llvm::DebugCompressionType::Z)
-              .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
-              .Default(llvm::DebugCompressionType::None);
-    }
-  }
-
-  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
-  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
-  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
-  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
-  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
-  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
-
-  // Frontend Options
-  if (Args.hasArg(OPT_INPUT)) {
-    bool First = true;
-    for (const Arg *A : Args.filtered(OPT_INPUT)) {
-      if (First) {
-        Opts.InputFile = A->getValue();
-        First = false;
-      } else {
-        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-        Success = false;
-      }
-    }
-  }
-  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
-  Opts.OutputPath = Args.getLastArgValue(OPT_o);
-  if (Arg *A = Args.getLastArg(OPT_filetype)) {
-    StringRef Name = A->getValue();
-    unsigned OutputType = StringSwitch<unsigned>(Name)
-      .Case("asm", FT_Asm)
-      .Case("null", FT_Null)
-      .Case("obj", FT_Obj)
-      .Default(~0U);
-    if (OutputType == ~0U) {
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
-      Success = false;
-    } else
-      Opts.OutputType = FileType(OutputType);
-  }
-  Opts.ShowHelp = Args.hasArg(OPT_help);
-  Opts.ShowVersion = Args.hasArg(OPT_version);
-
-  // Transliterate Options
-  Opts.OutputAsmVariant =
-      getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
-  Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
-  Opts.ShowInst = Args.hasArg(OPT_show_inst);
-
-  // Assemble Options
-  Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
-  Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
-  Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
-  Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
-  Opts.IncrementalLinkerCompatible =
-      Args.hasArg(OPT_mincremental_linker_compatible);
-  Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
-
-  return Success;
-}
-
-static std::unique_ptr<raw_fd_ostream>
-getOutputStream(AssemblerInvocation &Opts, DiagnosticsEngine &Diags,
-                bool Binary) {
-  if (Opts.OutputPath.empty())
-    Opts.OutputPath = "-";
-
-  // Make sure that the Out file gets unlinked from the disk if we get a
-  // SIGINT.
-  if (Opts.OutputPath != "-")
-    sys::RemoveFileOnSignal(Opts.OutputPath);
-
-  std::error_code EC;
-  auto Out = llvm::make_unique<raw_fd_ostream>(
-      Opts.OutputPath, EC, (Binary ? sys::fs::F_None : sys::fs::F_Text));
-  if (EC) {
-    Diags.Report(diag::err_fe_unable_to_open_output) << Opts.OutputPath
-                                                     << EC.message();
-    return nullptr;
-  }
-
-  return Out;
-}
-
-static bool ExecuteAssembler(AssemblerInvocation &Opts,
-                             DiagnosticsEngine &Diags) {
-  // Get the target specific parser.
-  std::string Error;
-  const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
-  if (!TheTarget)
-    return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
-      MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
-
-  if (std::error_code EC = Buffer.getError()) {
-    Error = EC.message();
-    return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
-  }
-
-  SourceMgr SrcMgr;
-
-  // Tell SrcMgr about this buffer, which is what the parser will pick up.
-  SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
-
-  // Record the location of the include directories so that the lexer can find
-  // it later.
-  SrcMgr.setIncludeDirs(Opts.IncludePaths);
-
-  std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
-  assert(MRI && "Unable to create target register info!");
-
-  std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, Opts.Triple));
-  assert(MAI && "Unable to create target asm info!");
-
-  // Ensure MCAsmInfo initialization occurs before any use, otherwise sections
-  // may be created with a combination of default and explicit settings.
-  MAI->setCompressDebugSections(Opts.CompressDebugSections);
-
-  MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
-
-  bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
-  std::unique_ptr<raw_fd_ostream> FDOS = getOutputStream(Opts, Diags, IsBinary);
-  if (!FDOS)
-    return true;
-
-  // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
-  // MCObjectFileInfo needs a MCContext reference in order to initialize itself.
-  std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
-
-  MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
-
-  bool PIC = false;
-  if (Opts.RelocationModel == "static") {
-    PIC = false;
-  } else if (Opts.RelocationModel == "pic") {
-    PIC = true;
-  } else {
-    assert(Opts.RelocationModel == "dynamic-no-pic" &&
-           "Invalid PIC model!");
-    PIC = false;
-  }
-
-  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, CodeModel::Default, Ctx);
-  if (Opts.SaveTemporaryLabels)
-    Ctx.setAllowTemporaryLabels(false);
-  if (Opts.GenDwarfForAssembly)
-    Ctx.setGenDwarfForAssembly(true);
-  if (!Opts.DwarfDebugFlags.empty())
-    Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
-  if (!Opts.DwarfDebugProducer.empty())
-    Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
-  if (!Opts.DebugCompilationDir.empty())
-    Ctx.setCompilationDir(Opts.DebugCompilationDir);
-  if (!Opts.MainFileName.empty())
-    Ctx.setMainFileName(StringRef(Opts.MainFileName));
-  Ctx.setDwarfVersion(Opts.DwarfVersion);
-
-  // Build up the feature string from the target feature list.
-  std::string FS;
-  if (!Opts.Features.empty()) {
-    FS = Opts.Features[0];
-    for (unsigned i = 1, e = Opts.Features.size(); i != e; ++i)
-      FS += "," + Opts.Features[i];
-  }
-
-  std::unique_ptr<MCStreamer> Str;
-
-  std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
-  std::unique_ptr<MCSubtargetInfo> STI(
-      TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
-
-  raw_pwrite_stream *Out = FDOS.get();
-  std::unique_ptr<buffer_ostream> BOS;
-
-  // FIXME: There is a bit of code duplication with addPassesToEmitFile.
-  if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
-    MCInstPrinter *IP = TheTarget->createMCInstPrinter(
-        llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
-    MCCodeEmitter *CE = nullptr;
-    MCAsmBackend *MAB = nullptr;
-    if (Opts.ShowEncoding) {
-      CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
-      MCTargetOptions Options;
-      MAB = TheTarget->createMCAsmBackend(*MRI, Opts.Triple, Opts.CPU, Options);
-    }
-    auto FOut = llvm::make_unique<formatted_raw_ostream>(*Out);
-    Str.reset(TheTarget->createAsmStreamer(
-        Ctx, std::move(FOut), /*asmverbose*/ true,
-        /*useDwarfDirectory*/ true, IP, CE, MAB, Opts.ShowInst));
-  } else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
-    Str.reset(createNullStreamer(Ctx));
-  } else {
-    assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
-           "Invalid file type!");
-    if (!FDOS->supportsSeeking()) {
-      BOS = make_unique<buffer_ostream>(*FDOS);
-      Out = BOS.get();
-    }
-
-    MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
-    MCTargetOptions Options;
-    MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, Opts.Triple,
-                                                      Opts.CPU, Options);
-    Triple T(Opts.Triple);
-    Str.reset(TheTarget->createMCObjectStreamer(
-        T, Ctx, *MAB, *Out, CE, *STI, Opts.RelaxAll,
-        Opts.IncrementalLinkerCompatible,
-        /*DWARFMustBeAtTheEnd*/ true));
-    Str.get()->InitSections(Opts.NoExecStack);
-  }
-
-  bool Failed = false;
-
-  std::unique_ptr<MCAsmParser> Parser(
-      createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
-
-  // FIXME: init MCTargetOptions from sanitizer flags here.
-  MCTargetOptions Options;
-  std::unique_ptr<MCTargetAsmParser> TAP(
-      TheTarget->createMCAsmParser(*STI, *Parser, *MCII, Options));
-  if (!TAP)
-    Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  // Set values for symbols, if any.
-  for (auto &S : Opts.SymbolDefs) {
-    auto Pair = StringRef(S).split('=');
-    auto Sym = Pair.first;
-    auto Val = Pair.second;
-    int64_t Value;
-    // We have already error checked this in the driver.
-    Val.getAsInteger(0, Value);
-    Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
-  }
-
-  if (!Failed) {
-    Parser->setTargetParser(*TAP.get());
-    Failed = Parser->Run(Opts.NoInitialTextSection);
-  }
-
-  // Close Streamer first.
-  // It might have a reference to the output stream.
-  Str.reset();
-  // Close the output stream early.
-  BOS.reset();
-  FDOS.reset();
-
-  // Delete output file if there were errors.
-  if (Failed && Opts.OutputPath != "-")
-    sys::fs::remove(Opts.OutputPath);
-
-  return Failed;
-}
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // We cannot recover from llvm errors.
-  exit(1);
-}
-
-int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  // Initialize targets and assembly printers/parsers.
-  InitializeAllTargetInfos();
-  InitializeAllTargetMCs();
-  InitializeAllAsmParsers();
-
-  // Construct our diagnostic client.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(errs(), &*DiagOpts);
-  DiagClient->setPrefix("clang -cc1as");
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  ScopedFatalErrorHandler FatalErrorHandler
-    (LLVMErrorHandler, static_cast<void*>(&Diags));
-
-  // Parse the arguments.
-  AssemblerInvocation Asm;
-  if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags))
-    return 1;
-
-  if (Asm.ShowHelp) {
-    std::unique_ptr<OptTable> Opts(driver::createDriverOptTable());
-    Opts->PrintHelp(llvm::outs(), "clang -cc1as", "Clang Integrated Assembler",
-                    /*Include=*/driver::options::CC1AsOption, /*Exclude=*/0);
-    return 0;
-  }
-
-  // Honor -version.
-  //
-  // FIXME: Use a better -version message?
-  if (Asm.ShowVersion) {
-    llvm::cl::PrintVersionMessage();
-    return 0;
-  }
-
-  // Honor -mllvm.
-  //
-  // FIXME: Remove this, one day.
-  if (!Asm.LLVMArgs.empty()) {
-    unsigned NumArgs = Asm.LLVMArgs.size();
-    auto Args = llvm::make_unique<const char*[]>(NumArgs + 2);
-    Args[0] = "clang (LLVM option parsing)";
-    for (unsigned i = 0; i != NumArgs; ++i)
-      Args[i + 1] = Asm.LLVMArgs[i].c_str();
-    Args[NumArgs + 1] = nullptr;
-    llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
-  }
-
-  // Execute the invocation, unless there were parsing errors.
-  bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags);
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.
-  TimerGroup::printAll(errs());
-
-  return !!Failed;
-}

dbms/programs/clang/Compiler-5.0.0/driver.cpp

@@ -1,519 +0,0 @@
-//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang driver; it is a thin wrapper
-// for functionality in the Driver clang library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Driver/ToolChain.h"
-#include "clang/Frontend/ChainedDiagnosticConsumer.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/SerializedDiagnosticPrinter.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Config/llvm-config.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Program.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/StringSaver.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <set>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace llvm::opt;
-
-std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
-  if (!CanonicalPrefixes) {
-    SmallString<128> ExecutablePath(Argv0);
-    // Do a PATH lookup if Argv0 isn't a valid path.
-    if (!llvm::sys::fs::exists(ExecutablePath))
-      if (llvm::ErrorOr<std::string> P =
-              llvm::sys::findProgramByName(ExecutablePath))
-        ExecutablePath = *P;
-    return ExecutablePath.str();
-  }
-
-  // This just needs to be some symbol in the binary; C++ doesn't
-  // allow taking the address of ::main however.
-  void *P = (void*) (intptr_t) GetExecutablePath;
-  return llvm::sys::fs::getMainExecutable(Argv0, P);
-}
-
-static const char *GetStableCStr(std::set<std::string> &SavedStrings,
-                                 StringRef S) {
-  return SavedStrings.insert(S).first->c_str();
-}
-
-/// ApplyQAOverride - Apply a list of edits to the input argument lists.
-///
-/// The input string is a space separate list of edits to perform,
-/// they are applied in order to the input argument lists. Edits
-/// should be one of the following forms:
-///
-///  '#': Silence information about the changes to the command line arguments.
-///
-///  '^': Add FOO as a new argument at the beginning of the command line.
-///
-///  '+': Add FOO as a new argument at the end of the command line.
-///
-///  's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
-///  line.
-///
-///  'xOPTION': Removes all instances of the literal argument OPTION.
-///
-///  'XOPTION': Removes all instances of the literal argument OPTION,
-///  and the following argument.
-///
-///  'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
-///  at the end of the command line.
-///
-/// \param OS - The stream to write edit information to.
-/// \param Args - The vector of command line arguments.
-/// \param Edit - The override command to perform.
-/// \param SavedStrings - Set to use for storing string representations.
-static void ApplyOneQAOverride(raw_ostream &OS,
-                               SmallVectorImpl<const char*> &Args,
-                               StringRef Edit,
-                               std::set<std::string> &SavedStrings) {
-  // This does not need to be efficient.
-
-  if (Edit[0] == '^') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at beginning\n";
-    Args.insert(Args.begin() + 1, Str);
-  } else if (Edit[0] == '+') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at end\n";
-    Args.push_back(Str);
-  } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
-             Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) {
-    StringRef MatchPattern = Edit.substr(2).split('/').first;
-    StringRef ReplPattern = Edit.substr(2).split('/').second;
-    ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);
-
-    for (unsigned i = 1, e = Args.size(); i != e; ++i) {
-      // Ignore end-of-line response file markers
-      if (Args[i] == nullptr)
-        continue;
-      std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);
-
-      if (Repl != Args[i]) {
-        OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
-        Args[i] = GetStableCStr(SavedStrings, Repl);
-      }
-    }
-  } else if (Edit[0] == 'x' || Edit[0] == 'X') {
-    auto Option = Edit.substr(1);
-    for (unsigned i = 1; i < Args.size();) {
-      if (Option == Args[i]) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-        if (Edit[0] == 'X') {
-          if (i < Args.size()) {
-            OS << "### Deleting argument " << Args[i] << '\n';
-            Args.erase(Args.begin() + i);
-          } else
-            OS << "### Invalid X edit, end of command line!\n";
-        }
-      } else
-        ++i;
-    }
-  } else if (Edit[0] == 'O') {
-    for (unsigned i = 1; i < Args.size();) {
-      const char *A = Args[i];
-      // Ignore end-of-line response file markers
-      if (A == nullptr)
-        continue;
-      if (A[0] == '-' && A[1] == 'O' &&
-          (A[2] == '\0' ||
-           (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
-                             ('0' <= A[2] && A[2] <= '9'))))) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-      } else
-        ++i;
-    }
-    OS << "### Adding argument " << Edit << " at end\n";
-    Args.push_back(GetStableCStr(SavedStrings, '-' + Edit.str()));
-  } else {
-    OS << "### Unrecognized edit: " << Edit << "\n";
-  }
-}
-
-/// ApplyQAOverride - Apply a comma separate list of edits to the
-/// input argument lists. See ApplyOneQAOverride.
-static void ApplyQAOverride(SmallVectorImpl<const char*> &Args,
-                            const char *OverrideStr,
-                            std::set<std::string> &SavedStrings) {
-  raw_ostream *OS = &llvm::errs();
-
-  if (OverrideStr[0] == '#') {
-    ++OverrideStr;
-    OS = &llvm::nulls();
-  }
-
-  *OS << "### CCC_OVERRIDE_OPTIONS: " << OverrideStr << "\n";
-
-  // This does not need to be efficient.
-
-  const char *S = OverrideStr;
-  while (*S) {
-    const char *End = ::strchr(S, ' ');
-    if (!End)
-      End = S + strlen(S);
-    if (End != S)
-      ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings);
-    S = End;
-    if (*S != '\0')
-      ++S;
-  }
-}
-
-extern int cc1_main(ArrayRef<const char *> Argv, const char *Argv0,
-                    void *MainAddr);
-extern int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0,
-                      void *MainAddr);
-
-static void insertTargetAndModeArgs(StringRef Target, StringRef Mode,
-                                    SmallVectorImpl<const char *> &ArgVector,
-                                    std::set<std::string> &SavedStrings) {
-  if (!Mode.empty()) {
-    // Add the mode flag to the arguments.
-    auto it = ArgVector.begin();
-    if (it != ArgVector.end())
-      ++it;
-    ArgVector.insert(it, GetStableCStr(SavedStrings, Mode));
-  }
-
-  if (!Target.empty()) {
-    auto it = ArgVector.begin();
-    if (it != ArgVector.end())
-      ++it;
-    const char *arr[] = {"-target", GetStableCStr(SavedStrings, Target)};
-    ArgVector.insert(it, std::begin(arr), std::end(arr));
-  }
-}
-
-static void getCLEnvVarOptions(std::string &EnvValue, llvm::StringSaver &Saver,
-                               SmallVectorImpl<const char *> &Opts) {
-  llvm::cl::TokenizeWindowsCommandLine(EnvValue, Saver, Opts);
-  // The first instance of '#' should be replaced with '=' in each option.
-  for (const char *Opt : Opts)
-    if (char *NumberSignPtr = const_cast<char *>(::strchr(Opt, '#')))
-      *NumberSignPtr = '=';
-}
-
-static void SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
-  // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE.
-  TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS");
-  if (TheDriver.CCPrintOptions)
-    TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE");
-
-  // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE.
-  TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS");
-  if (TheDriver.CCPrintHeaders)
-    TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE");
-
-  // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE.
-  TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS");
-  if (TheDriver.CCLogDiagnostics)
-    TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE");
-}
-
-static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
-                                   const std::string &Path) {
-  // If the clang binary happens to be named cl.exe for compatibility reasons,
-  // use clang-cl.exe as the prefix to avoid confusion between clang and MSVC.
-  StringRef ExeBasename(llvm::sys::path::filename(Path));
-  if (ExeBasename.equals_lower("cl.exe"))
-    ExeBasename = "clang-cl.exe";
-  DiagClient->setPrefix(ExeBasename);
-}
-
-// This lets us create the DiagnosticsEngine with a properly-filled-out
-// DiagnosticOptions instance.
-static DiagnosticOptions *
-CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
-  auto *DiagOpts = new DiagnosticOptions;
-  std::unique_ptr<OptTable> Opts(createDriverOptTable());
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args =
-      Opts->ParseArgs(argv.slice(1), MissingArgIndex, MissingArgCount);
-  // We ignore MissingArgCount and the return value of ParseDiagnosticArgs.
-  // Any errors that would be diagnosed here will also be diagnosed later,
-  // when the DiagnosticsEngine actually exists.
-  (void)ParseDiagnosticArgs(*DiagOpts, Args);
-  return DiagOpts;
-}
-
-static void SetInstallDir(SmallVectorImpl<const char *> &argv,
-                          Driver &TheDriver, bool CanonicalPrefixes) {
-  // Attempt to find the original path used to invoke the driver, to determine
-  // the installed path. We do this manually, because we want to support that
-  // path being a symlink.
-  SmallString<128> InstalledPath(argv[0]);
-
-  // Do a PATH lookup, if there are no directory components.
-  if (llvm::sys::path::filename(InstalledPath) == InstalledPath)
-    if (llvm::ErrorOr<std::string> Tmp = llvm::sys::findProgramByName(
-            llvm::sys::path::filename(InstalledPath.str())))
-      InstalledPath = *Tmp;
-
-  // FIXME: We don't actually canonicalize this, we just make it absolute.
-  if (CanonicalPrefixes)
-    llvm::sys::fs::make_absolute(InstalledPath);
-
-  StringRef InstalledPathParent(llvm::sys::path::parent_path(InstalledPath));
-  if (llvm::sys::fs::exists(InstalledPathParent))
-    TheDriver.setInstalledDir(InstalledPathParent);
-}
-
-static int ExecuteCC1Tool(ArrayRef<const char *> argv, StringRef Tool) {
-  void *GetExecutablePathVP = (void *)(intptr_t) GetExecutablePath;
-  if (Tool == "")
-    return cc1_main(argv.slice(2), argv[0], GetExecutablePathVP);
-  if (Tool == "as")
-    return cc1as_main(argv.slice(2), argv[0], GetExecutablePathVP);
-
-  // Reject unknown tools.
-  llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n";
-  return 1;
-}
-
-int mainEntryClickHouseClang(int argc_, char **argv_) {
-  llvm::sys::PrintStackTraceOnErrorSignal(argv_[0]);
-  llvm::PrettyStackTraceProgram X(argc_, argv_);
-  llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
-  if (llvm::sys::Process::FixupStandardFileDescriptors())
-    return 1;
-
-  SmallVector<const char *, 256> argv;
-  llvm::SpecificBumpPtrAllocator<char> ArgAllocator;
-  std::error_code EC = llvm::sys::Process::GetArgumentVector(
-      argv, llvm::makeArrayRef(argv_, argc_), ArgAllocator);
-  if (EC) {
-    llvm::errs() << "error: couldn't get arguments: " << EC.message() << '\n';
-    return 1;
-  }
-
-  llvm::InitializeAllTargets();
-  std::string ProgName = argv[0];
-  std::pair<std::string, std::string> TargetAndMode =
-      ToolChain::getTargetAndModeFromProgramName(ProgName);
-
-  llvm::BumpPtrAllocator A;
-  llvm::StringSaver Saver(A);
-
-  // Parse response files using the GNU syntax, unless we're in CL mode. There
-  // are two ways to put clang in CL compatibility mode: argv[0] is either
-  // clang-cl or cl, or --driver-mode=cl is on the command line. The normal
-  // command line parsing can't happen until after response file parsing, so we
-  // have to manually search for a --driver-mode=cl argument the hard way.
-  // Finally, our -cc1 tools don't care which tokenization mode we use because
-  // response files written by clang will tokenize the same way in either mode.
-  bool ClangCLMode = false;
-  if (TargetAndMode.second == "--driver-mode=cl" ||
-      std::find_if(argv.begin(), argv.end(), [](const char *F) {
-        return F && strcmp(F, "--driver-mode=cl") == 0;
-      }) != argv.end()) {
-    ClangCLMode = true;
-  }
-  enum { Default, POSIX, Windows } RSPQuoting = Default;
-  for (const char *F : argv) {
-    if (strcmp(F, "--rsp-quoting=posix") == 0)
-      RSPQuoting = POSIX;
-    else if (strcmp(F, "--rsp-quoting=windows") == 0)
-      RSPQuoting = Windows;
-  }
-
-  // Determines whether we want nullptr markers in argv to indicate response
-  // files end-of-lines. We only use this for the /LINK driver argument with
-  // clang-cl.exe on Windows.
-  bool MarkEOLs = ClangCLMode;
-
-  llvm::cl::TokenizerCallback Tokenizer;
-  if (RSPQuoting == Windows || (RSPQuoting == Default && ClangCLMode))
-    Tokenizer = &llvm::cl::TokenizeWindowsCommandLine;
-  else
-    Tokenizer = &llvm::cl::TokenizeGNUCommandLine;
-
-  if (MarkEOLs && argv.size() > 1 && StringRef(argv[1]).startswith("-cc1"))
-    MarkEOLs = false;
-  llvm::cl::ExpandResponseFiles(Saver, Tokenizer, argv, MarkEOLs);
-
-  // Handle -cc1 integrated tools, even if -cc1 was expanded from a response
-  // file.
-  auto FirstArg = std::find_if(argv.begin() + 1, argv.end(),
-                               [](const char *A) { return A != nullptr; });
-  if (FirstArg != argv.end() && StringRef(*FirstArg).startswith("-cc1")) {
-    // If -cc1 came from a response file, remove the EOL sentinels.
-    if (MarkEOLs) {
-      auto newEnd = std::remove(argv.begin(), argv.end(), nullptr);
-      argv.resize(newEnd - argv.begin());
-    }
-    return ExecuteCC1Tool(argv, argv[1] + 4);
-  }
-
-  bool CanonicalPrefixes = true;
-  for (int i = 1, size = argv.size(); i < size; ++i) {
-    // Skip end-of-line response file markers
-    if (argv[i] == nullptr)
-      continue;
-    if (StringRef(argv[i]) == "-no-canonical-prefixes") {
-      CanonicalPrefixes = false;
-      break;
-    }
-  }
-
-  // Handle CL and _CL_ which permits additional command line options to be
-  // prepended or appended.
-  if (ClangCLMode) {
-    // Arguments in "CL" are prepended.
-    llvm::Optional<std::string> OptCL = llvm::sys::Process::GetEnv("CL");
-    if (OptCL.hasValue()) {
-      SmallVector<const char *, 8> PrependedOpts;
-      getCLEnvVarOptions(OptCL.getValue(), Saver, PrependedOpts);
-
-      // Insert right after the program name to prepend to the argument list.
-      argv.insert(argv.begin() + 1, PrependedOpts.begin(), PrependedOpts.end());
-    }
-    // Arguments in "_CL_" are appended.
-    llvm::Optional<std::string> Opt_CL_ = llvm::sys::Process::GetEnv("_CL_");
-    if (Opt_CL_.hasValue()) {
-      SmallVector<const char *, 8> AppendedOpts;
-      getCLEnvVarOptions(Opt_CL_.getValue(), Saver, AppendedOpts);
-
-      // Insert at the end of the argument list to append.
-      argv.append(AppendedOpts.begin(), AppendedOpts.end());
-    }
-  }
-
-  std::set<std::string> SavedStrings;
-  // Handle CCC_OVERRIDE_OPTIONS, used for editing a command line behind the
-  // scenes.
-  if (const char *OverrideStr = ::getenv("CCC_OVERRIDE_OPTIONS")) {
-    // FIXME: Driver shouldn't take extra initial argument.
-    ApplyQAOverride(argv, OverrideStr, SavedStrings);
-  }
-
-  std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes);
-
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
-      CreateAndPopulateDiagOpts(argv);
-
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
-  FixupDiagPrefixExeName(DiagClient, Path);
-
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  if (!DiagOpts->DiagnosticSerializationFile.empty()) {
-    auto SerializedConsumer =
-        clang::serialized_diags::create(DiagOpts->DiagnosticSerializationFile,
-                                        &*DiagOpts, /*MergeChildRecords=*/true);
-    Diags.setClient(new ChainedDiagnosticConsumer(
-        Diags.takeClient(), std::move(SerializedConsumer)));
-  }
-
-  ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
-
-  Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), Diags);
-  SetInstallDir(argv, TheDriver, CanonicalPrefixes);
-
-  insertTargetAndModeArgs(TargetAndMode.first, TargetAndMode.second, argv,
-                          SavedStrings);
-
-  SetBackdoorDriverOutputsFromEnvVars(TheDriver);
-
-  std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(argv));
-  int Res = 1;
-  if (C && !C->containsError()) {
-    SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
-    Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
-
-    // Force a crash to test the diagnostics.
-    if (TheDriver.GenReproducer) {
-      Diags.Report(diag::err_drv_force_crash)
-        << !::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH");
-
-      // Pretend that every command failed.
-      FailingCommands.clear();
-      for (const auto &J : C->getJobs())
-        if (const Command *C = dyn_cast<Command>(&J))
-          FailingCommands.push_back(std::make_pair(-1, C));
-    }
-
-    for (const auto &P : FailingCommands) {
-      int CommandRes = P.first;
-      const Command *FailingCommand = P.second;
-      if (!Res)
-        Res = CommandRes;
-
-      // If result status is < 0, then the driver command signalled an error.
-      // If result status is 70, then the driver command reported a fatal error.
-      // On Windows, abort will return an exit code of 3.  In these cases,
-      // generate additional diagnostic information if possible.
-      bool DiagnoseCrash = CommandRes < 0 || CommandRes == 70;
-#ifdef LLVM_ON_WIN32
-      DiagnoseCrash |= CommandRes == 3;
-#endif
-      if (DiagnoseCrash) {
-        TheDriver.generateCompilationDiagnostics(*C, *FailingCommand);
-        break;
-      }
-    }
-  }
-
-  Diags.getClient()->finish();
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-#ifdef LLVM_ON_WIN32
-  // Exit status should not be negative on Win32, unless abnormal termination.
-  // Once abnormal termiation was caught, negative status should not be
-  // propagated.
-  if (Res < 0)
-    Res = 1;
-#endif
-
-  // If we have multiple failing commands, we return the result of the first
-  // failing command.
-  return Res;
-}

dbms/programs/clang/Compiler-5.0.0/lld.cpp

@@ -1,23 +0,0 @@
-#include "lld/Driver/Driver.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Signals.h"
-
-using namespace lld;
-using namespace llvm;
-using namespace llvm::sys;
-
-int mainEntryClickHouseLLD(int Argc, char **Argv)
-{
-  // Standard set up, so program fails gracefully.
-  sys::PrintStackTraceOnErrorSignal(Argv[0]);
-  PrettyStackTraceProgram StackPrinter(Argc, Argv);
-  llvm_shutdown_obj Shutdown;
-
-  std::vector<const char *> Args(Argv, Argv + Argc);
-  return !elf::link(Args, true);
-}

dbms/programs/clang/Compiler-5.0.1

@@ -1 +0,0 @@
-Compiler-5.0.0

dbms/programs/clang/Compiler-5.0.2

@@ -1 +0,0 @@
-Compiler-5.0.0

dbms/programs/clang/Compiler-6.0.0/CMakeLists.txt

@@ -1,54 +0,0 @@
-
-add_definitions(-Wno-error -Wno-unused-parameter -Wno-non-virtual-dtor -U_LIBCPP_DEBUG)
-
-link_directories(${LLVM_LIBRARY_DIRS})
-
-add_library(clickhouse-compiler-lib
-    driver.cpp
-    cc1_main.cpp
-    cc1as_main.cpp
-    lld.cpp)
-
-target_compile_options(clickhouse-compiler-lib PRIVATE -fno-rtti -fno-exceptions -g0)
-
-string(REPLACE "${INCLUDE_DEBUG_HELPERS}" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # cant compile with -fno-rtti
-
-llvm_libs_all(REQUIRED_LLVM_LIBRARIES)
-
-message(STATUS "Using LLVM ${LLVM_VERSION}: ${LLVM_INCLUDE_DIRS} : ${REQUIRED_LLVM_LIBRARIES}")
-
-target_include_directories(clickhouse-compiler-lib SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-
-# This is extracted almost directly from CMakeFiles/.../link.txt in LLVM build directory.
-
-target_link_libraries(clickhouse-compiler-lib PRIVATE
-
-clangBasic clangCodeGen clangDriver
-clangFrontend
-clangFrontendTool
-clangRewriteFrontend clangARCMigrate clangStaticAnalyzerFrontend
-clangParse clangSerialization clangSema clangEdit clangStaticAnalyzerCheckers
-clangASTMatchers clangStaticAnalyzerCore clangAnalysis clangAST clangRewrite clangLex clangBasic
-
-lldCOFF
-lldDriver
-lldELF
-lldMinGW
-lldMachO
-lldReaderWriter
-lldYAML
-lldCommon
-lldCore
-#lldWasm
-
-${REQUIRED_LLVM_LIBRARIES}
-
-#Polly
-#PollyISL
-#PollyPPCG
-
-PUBLIC ${ZLIB_LIBRARIES} ${EXECINFO_LIBRARIES} Threads::Threads
-${MALLOC_LIBRARIES}
-${GLIBC_COMPATIBILITY_LIBRARIES}
-${MEMCPY_LIBRARIES}
-)

dbms/programs/clang/Compiler-6.0.0/LICENSE.TXT

@@ -1,63 +0,0 @@
-==============================================================================
-LLVM Release License
-==============================================================================
-University of Illinois/NCSA
-Open Source License
-
-Copyright (c) 2007-2016 University of Illinois at Urbana-Champaign.
-All rights reserved.
-
-Developed by:
-
-    LLVM Team
-
-    University of Illinois at Urbana-Champaign
-
-    http://llvm.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal with
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimers.
-
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimers in the
-      documentation and/or other materials provided with the distribution.
-
-    * Neither the names of the LLVM Team, University of Illinois at
-      Urbana-Champaign, nor the names of its contributors may be used to
-      endorse or promote products derived from this Software without specific
-      prior written permission.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
-SOFTWARE.
-
-==============================================================================
-The LLVM software contains code written by third parties.  Such software will
-have its own individual LICENSE.TXT file in the directory in which it appears.
-This file will describe the copyrights, license, and restrictions which apply
-to that code.
-
-The disclaimer of warranty in the University of Illinois Open Source License
-applies to all code in the LLVM Distribution, and nothing in any of the
-other licenses gives permission to use the names of the LLVM Team or the
-University of Illinois to endorse or promote products derived from this
-Software.
-
-The following pieces of software have additional or alternate copyrights,
-licenses, and/or restrictions:
-
-Program             Directory
--------             ---------
-<none yet>
-

dbms/programs/clang/Compiler-6.0.0/cc1_main.cpp

@@ -1,242 +0,0 @@
-//===-- cc1_main.cpp - Clang CC1 Compiler Frontend ------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1 functionality, which implements the
-// core compiler functionality along with a number of additional tools for
-// demonstration and testing purposes.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Option/Arg.h"
-#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
-#include "clang/Config/config.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticBuffer.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/FrontendTool/Utils.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstdio>
-
-#ifdef CLANG_HAVE_RLIMITS
-#include <sys/resource.h>
-#endif
-
-// have no .a version in packages
-#undef LINK_POLLY_INTO_TOOLS
-
-using namespace clang;
-using namespace llvm::opt;
-
-//===----------------------------------------------------------------------===//
-// Main driver
-//===----------------------------------------------------------------------===//
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // Run the interrupt handlers to make sure any special cleanups get done, in
-  // particular that we remove files registered with RemoveFileOnSignal.
-  llvm::sys::RunInterruptHandlers();
-
-  // We cannot recover from llvm errors.  When reporting a fatal error, exit
-  // with status 70 to generate crash diagnostics.  For BSD systems this is
-  // defined as an internal software error.  Otherwise, exit with status 1.
-  exit(GenCrashDiag ? 70 : 1);
-}
-
-#ifdef LINK_POLLY_INTO_TOOLS
-namespace polly {
-void initializePollyPasses(llvm::PassRegistry &Registry);
-}
-#endif
-
-#ifdef CLANG_HAVE_RLIMITS
-// The amount of stack we think is "sufficient". If less than this much is
-// available, we may be unable to reach our template instantiation depth
-// limit and other similar limits.
-// FIXME: Unify this with the stack we request when spawning a thread to build
-// a module.
-static const int kSufficientStack = 8 << 20;
-
-#if defined(__linux__) && defined(__PIE__)
-static size_t getCurrentStackAllocation() {
-  // If we can't compute the current stack usage, allow for 512K of command
-  // line arguments and environment.
-  size_t Usage = 512 * 1024;
-  if (FILE *StatFile = fopen("/proc/self/stat", "r")) {
-    // We assume that the stack extends from its current address to the end of
-    // the environment space. In reality, there is another string literal (the
-    // program name) after the environment, but this is close enough (we only
-    // need to be within 100K or so).
-    unsigned long StackPtr, EnvEnd;
-    // Disable silly GCC -Wformat warning that complains about length
-    // modifiers on ignored format specifiers. We want to retain these
-    // for documentation purposes even though they have no effect.
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-#endif
-    if (fscanf(StatFile,
-               "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %*lu "
-               "%*lu %*ld %*ld %*ld %*ld %*ld %*ld %*llu %*lu %*ld %*lu %*lu "
-               "%*lu %*lu %lu %*lu %*lu %*lu %*lu %*lu %*llu %*lu %*lu %*d %*d "
-               "%*u %*u %*llu %*lu %*ld %*lu %*lu %*lu %*lu %*lu %*lu %lu %*d",
-               &StackPtr, &EnvEnd) == 2) {
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic pop
-#endif
-      Usage = StackPtr < EnvEnd ? EnvEnd - StackPtr : StackPtr - EnvEnd;
-    }
-    fclose(StatFile);
-  }
-  return Usage;
-}
-
-#include <alloca.h>
-
-LLVM_ATTRIBUTE_NOINLINE
-static void ensureStackAddressSpace(int ExtraChunks = 0) {
-  // Linux kernels prior to 4.1 will sometimes locate the heap of a PIE binary
-  // relatively close to the stack (they are only guaranteed to be 128MiB
-  // apart). This results in crashes if we happen to heap-allocate more than
-  // 128MiB before we reach our stack high-water mark.
-  //
-  // To avoid these crashes, ensure that we have sufficient virtual memory
-  // pages allocated before we start running.
-  size_t Curr = getCurrentStackAllocation();
-  const int kTargetStack = kSufficientStack - 256 * 1024;
-  if (Curr < kTargetStack) {
-    volatile char *volatile Alloc =
-        static_cast<volatile char *>(alloca(kTargetStack - Curr));
-    Alloc[0] = 0;
-    Alloc[kTargetStack - Curr - 1] = 0;
-  }
-}
-#else
-static void ensureStackAddressSpace() {}
-#endif
-
-/// Attempt to ensure that we have at least 8MiB of usable stack space.
-static void ensureSufficientStack() {
-  struct rlimit rlim;
-  if (getrlimit(RLIMIT_STACK, &rlim) != 0)
-    return;
-
-  // Increase the soft stack limit to our desired level, if necessary and
-  // possible.
-  if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < kSufficientStack) {
-    // Try to allocate sufficient stack.
-    if (rlim.rlim_max == RLIM_INFINITY || rlim.rlim_max >= kSufficientStack)
-      rlim.rlim_cur = kSufficientStack;
-    else if (rlim.rlim_cur == rlim.rlim_max)
-      return;
-    else
-      rlim.rlim_cur = rlim.rlim_max;
-
-    if (setrlimit(RLIMIT_STACK, &rlim) != 0 ||
-        rlim.rlim_cur != kSufficientStack)
-      return;
-  }
-
-  // We should now have a stack of size at least kSufficientStack. Ensure
-  // that we can actually use that much, if necessary.
-  ensureStackAddressSpace();
-}
-#else
-static void ensureSufficientStack() {}
-#endif
-
-int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  ensureSufficientStack();
-
-  std::unique_ptr<CompilerInstance> Clang(new CompilerInstance());
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  // Register the support for object-file-wrapped Clang modules.
-  auto PCHOps = Clang->getPCHContainerOperations();
-  PCHOps->registerWriter(llvm::make_unique<ObjectFilePCHContainerWriter>());
-  PCHOps->registerReader(llvm::make_unique<ObjectFilePCHContainerReader>());
-
-  // Initialize targets first, so that --version shows registered targets.
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmPrinters();
-  llvm::InitializeAllAsmParsers();
-
-#ifdef LINK_POLLY_INTO_TOOLS
-  llvm::PassRegistry &Registry = *llvm::PassRegistry::getPassRegistry();
-  polly::initializePollyPasses(Registry);
-#endif
-
-  // Buffer diagnostics from argument parsing so that we can output them using a
-  // well formed diagnostic object.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagsBuffer);
-  bool Success = CompilerInvocation::CreateFromArgs(
-      Clang->getInvocation(), Argv.begin(), Argv.end(), Diags);
-
-  // Infer the builtin include path if unspecified.
-  if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
-      Clang->getHeaderSearchOpts().ResourceDir.empty())
-    Clang->getHeaderSearchOpts().ResourceDir =
-      CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
-
-  // Create the actual diagnostics engine.
-  Clang->createDiagnostics();
-  if (!Clang->hasDiagnostics())
-    return 1;
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  llvm::install_fatal_error_handler(LLVMErrorHandler,
-                                  static_cast<void*>(&Clang->getDiagnostics()));
-
-  DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
-  if (!Success)
-    return 1;
-
-  // Execute the frontend actions.
-  Success = ExecuteCompilerInvocation(Clang.get());
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-  // Our error handler depends on the Diagnostics object, which we're
-  // potentially about to delete. Uninstall the handler now so that any
-  // later errors use the default handling behavior instead.
-  llvm::remove_fatal_error_handler();
-
-  // When running with -disable-free, don't do any destruction or shutdown.
-  if (Clang->getFrontendOpts().DisableFree) {
-    BuryPointer(std::move(Clang));
-    return !Success;
-  }
-
-  return !Success;
-}

dbms/programs/clang/Compiler-6.0.0/cc1as_main.cpp

@@ -1,540 +0,0 @@
-//===-- cc1as_main.cpp - Clang Assembler  ---------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1as functionality, which implements
-// the direct interface to the LLVM MC based assembler.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/MC/MCAsmBackend.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCCodeEmitter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace clang::driver::options;
-using namespace llvm;
-using namespace llvm::opt;
-
-namespace {
-
-/// \brief Helper class for representing a single invocation of the assembler.
-struct AssemblerInvocation {
-  /// @name Target Options
-  /// @{
-
-  /// The name of the target triple to assemble for.
-  std::string Triple;
-
-  /// If given, the name of the target CPU to determine which instructions
-  /// are legal.
-  std::string CPU;
-
-  /// The list of target specific features to enable or disable -- this should
-  /// be a list of strings starting with '+' or '-'.
-  std::vector<std::string> Features;
-
-  /// The list of symbol definitions.
-  std::vector<std::string> SymbolDefs;
-
-  /// @}
-  /// @name Language Options
-  /// @{
-
-  std::vector<std::string> IncludePaths;
-  unsigned NoInitialTextSection : 1;
-  unsigned SaveTemporaryLabels : 1;
-  unsigned GenDwarfForAssembly : 1;
-  unsigned RelaxELFRelocations : 1;
-  unsigned DwarfVersion;
-  std::string DwarfDebugFlags;
-  std::string DwarfDebugProducer;
-  std::string DebugCompilationDir;
-  llvm::DebugCompressionType CompressDebugSections =
-      llvm::DebugCompressionType::None;
-  std::string MainFileName;
-
-  /// @}
-  /// @name Frontend Options
-  /// @{
-
-  std::string InputFile;
-  std::vector<std::string> LLVMArgs;
-  std::string OutputPath;
-  enum FileType {
-    FT_Asm,  ///< Assembly (.s) output, transliterate mode.
-    FT_Null, ///< No output, for timing purposes.
-    FT_Obj   ///< Object file output.
-  };
-  FileType OutputType;
-  unsigned ShowHelp : 1;
-  unsigned ShowVersion : 1;
-
-  /// @}
-  /// @name Transliterate Options
-  /// @{
-
-  unsigned OutputAsmVariant;
-  unsigned ShowEncoding : 1;
-  unsigned ShowInst : 1;
-
-  /// @}
-  /// @name Assembler Options
-  /// @{
-
-  unsigned RelaxAll : 1;
-  unsigned NoExecStack : 1;
-  unsigned FatalWarnings : 1;
-  unsigned IncrementalLinkerCompatible : 1;
-
-  /// The name of the relocation model to use.
-  std::string RelocationModel;
-
-  /// @}
-
-public:
-  AssemblerInvocation() {
-    Triple = "";
-    NoInitialTextSection = 0;
-    InputFile = "-";
-    OutputPath = "-";
-    OutputType = FT_Asm;
-    OutputAsmVariant = 0;
-    ShowInst = 0;
-    ShowEncoding = 0;
-    RelaxAll = 0;
-    NoExecStack = 0;
-    FatalWarnings = 0;
-    IncrementalLinkerCompatible = 0;
-    DwarfVersion = 0;
-  }
-
-  static bool CreateFromArgs(AssemblerInvocation &Res,
-                             ArrayRef<const char *> Argv,
-                             DiagnosticsEngine &Diags);
-};
-
-}
-
-bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
-                                         ArrayRef<const char *> Argv,
-                                         DiagnosticsEngine &Diags) {
-  bool Success = true;
-
-  // Parse the arguments.
-  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());
-
-  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
-                                        IncludedFlagsBitmask);
-
-  // Check for missing argument error.
-  if (MissingArgCount) {
-    Diags.Report(diag::err_drv_missing_argument)
-        << Args.getArgString(MissingArgIndex) << MissingArgCount;
-    Success = false;
-  }
-
-  // Issue errors on unknown arguments.
-  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
-    Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-    Success = false;
-  }
-
-  // Construct the invocation.
-
-  // Target Options
-  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
-  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
-  Opts.Features = Args.getAllArgValues(OPT_target_feature);
-
-  // Use the default target triple if unspecified.
-  if (Opts.Triple.empty())
-    Opts.Triple = llvm::sys::getDefaultTargetTriple();
-
-  // Language Options
-  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
-  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
-  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
-  // Any DebugInfoKind implies GenDwarfForAssembly.
-  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
-
-  if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
-                                     OPT_compress_debug_sections_EQ)) {
-    if (A->getOption().getID() == OPT_compress_debug_sections) {
-      // TODO: be more clever about the compression type auto-detection
-      Opts.CompressDebugSections = llvm::DebugCompressionType::GNU;
-    } else {
-      Opts.CompressDebugSections =
-          llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
-              .Case("none", llvm::DebugCompressionType::None)
-              .Case("zlib", llvm::DebugCompressionType::Z)
-              .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
-              .Default(llvm::DebugCompressionType::None);
-    }
-  }
-
-  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
-  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
-  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
-  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
-  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
-  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
-
-  // Frontend Options
-  if (Args.hasArg(OPT_INPUT)) {
-    bool First = true;
-    for (const Arg *A : Args.filtered(OPT_INPUT)) {
-      if (First) {
-        Opts.InputFile = A->getValue();
-        First = false;
-      } else {
-        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-        Success = false;
-      }
-    }
-  }
-  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
-  Opts.OutputPath = Args.getLastArgValue(OPT_o);
-  if (Arg *A = Args.getLastArg(OPT_filetype)) {
-    StringRef Name = A->getValue();
-    unsigned OutputType = StringSwitch<unsigned>(Name)
-      .Case("asm", FT_Asm)
-      .Case("null", FT_Null)
-      .Case("obj", FT_Obj)
-      .Default(~0U);
-    if (OutputType == ~0U) {
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
-      Success = false;
-    } else
-      Opts.OutputType = FileType(OutputType);
-  }
-  Opts.ShowHelp = Args.hasArg(OPT_help);
-  Opts.ShowVersion = Args.hasArg(OPT_version);
-
-  // Transliterate Options
-  Opts.OutputAsmVariant =
-      getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
-  Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
-  Opts.ShowInst = Args.hasArg(OPT_show_inst);
-
-  // Assemble Options
-  Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
-  Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
-  Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
-  Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
-  Opts.IncrementalLinkerCompatible =
-      Args.hasArg(OPT_mincremental_linker_compatible);
-  Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
-
-  return Success;
-}
-
-static std::unique_ptr<raw_fd_ostream>
-getOutputStream(AssemblerInvocation &Opts, DiagnosticsEngine &Diags,
-                bool Binary) {
-  if (Opts.OutputPath.empty())
-    Opts.OutputPath = "-";
-
-  // Make sure that the Out file gets unlinked from the disk if we get a
-  // SIGINT.
-  if (Opts.OutputPath != "-")
-    sys::RemoveFileOnSignal(Opts.OutputPath);
-
-  std::error_code EC;
-  auto Out = llvm::make_unique<raw_fd_ostream>(
-      Opts.OutputPath, EC, (Binary ? sys::fs::F_None : sys::fs::F_Text));
-  if (EC) {
-    Diags.Report(diag::err_fe_unable_to_open_output) << Opts.OutputPath
-                                                     << EC.message();
-    return nullptr;
-  }
-
-  return Out;
-}
-
-static bool ExecuteAssembler(AssemblerInvocation &Opts,
-                             DiagnosticsEngine &Diags) {
-  // Get the target specific parser.
-  std::string Error;
-  const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
-  if (!TheTarget)
-    return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
-      MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
-
-  if (std::error_code EC = Buffer.getError()) {
-    Error = EC.message();
-    return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
-  }
-
-  SourceMgr SrcMgr;
-
-  // Tell SrcMgr about this buffer, which is what the parser will pick up.
-  SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
-
-  // Record the location of the include directories so that the lexer can find
-  // it later.
-  SrcMgr.setIncludeDirs(Opts.IncludePaths);
-
-  std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
-  assert(MRI && "Unable to create target register info!");
-
-  std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, Opts.Triple));
-  assert(MAI && "Unable to create target asm info!");
-
-  // Ensure MCAsmInfo initialization occurs before any use, otherwise sections
-  // may be created with a combination of default and explicit settings.
-  MAI->setCompressDebugSections(Opts.CompressDebugSections);
-
-  MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
-
-  bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
-  std::unique_ptr<raw_fd_ostream> FDOS = getOutputStream(Opts, Diags, IsBinary);
-  if (!FDOS)
-    return true;
-
-  // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
-  // MCObjectFileInfo needs a MCContext reference in order to initialize itself.
-  std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
-
-  MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
-
-  bool PIC = false;
-  if (Opts.RelocationModel == "static") {
-    PIC = false;
-  } else if (Opts.RelocationModel == "pic") {
-    PIC = true;
-  } else {
-    assert(Opts.RelocationModel == "dynamic-no-pic" &&
-           "Invalid PIC model!");
-    PIC = false;
-  }
-
-  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, Ctx);
-  if (Opts.SaveTemporaryLabels)
-    Ctx.setAllowTemporaryLabels(false);
-  if (Opts.GenDwarfForAssembly)
-    Ctx.setGenDwarfForAssembly(true);
-  if (!Opts.DwarfDebugFlags.empty())
-    Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
-  if (!Opts.DwarfDebugProducer.empty())
-    Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
-  if (!Opts.DebugCompilationDir.empty())
-    Ctx.setCompilationDir(Opts.DebugCompilationDir);
-  if (!Opts.MainFileName.empty())
-    Ctx.setMainFileName(StringRef(Opts.MainFileName));
-  Ctx.setDwarfVersion(Opts.DwarfVersion);
-
-  // Build up the feature string from the target feature list.
-  std::string FS;
-  if (!Opts.Features.empty()) {
-    FS = Opts.Features[0];
-    for (unsigned i = 1, e = Opts.Features.size(); i != e; ++i)
-      FS += "," + Opts.Features[i];
-  }
-
-  std::unique_ptr<MCStreamer> Str;
-
-  std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
-  std::unique_ptr<MCSubtargetInfo> STI(
-      TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
-
-  raw_pwrite_stream *Out = FDOS.get();
-  std::unique_ptr<buffer_ostream> BOS;
-
-  // FIXME: There is a bit of code duplication with addPassesToEmitFile.
-  if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
-    MCInstPrinter *IP = TheTarget->createMCInstPrinter(
-        llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
-    MCCodeEmitter *CE = nullptr;
-    MCAsmBackend *MAB = nullptr;
-    if (Opts.ShowEncoding) {
-      CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
-      MCTargetOptions Options;
-      MAB = TheTarget->createMCAsmBackend(*STI, *MRI, Options);
-    }
-    auto FOut = llvm::make_unique<formatted_raw_ostream>(*Out);
-    Str.reset(TheTarget->createAsmStreamer(
-        Ctx, std::move(FOut), /*asmverbose*/ true,
-        /*useDwarfDirectory*/ true, IP, CE, MAB, Opts.ShowInst));
-  } else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
-    Str.reset(createNullStreamer(Ctx));
-  } else {
-    assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
-           "Invalid file type!");
-    if (!FDOS->supportsSeeking()) {
-      BOS = make_unique<buffer_ostream>(*FDOS);
-      Out = BOS.get();
-    }
-
-    MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
-    MCTargetOptions Options;
-    MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*STI, *MRI, Options);
-    Triple T(Opts.Triple);
-    Str.reset(TheTarget->createMCObjectStreamer(
-                T, Ctx, std::unique_ptr<MCAsmBackend>(MAB), *Out, std::unique_ptr<MCCodeEmitter>(CE), *STI,
-        Opts.RelaxAll, Opts.IncrementalLinkerCompatible,
-        /*DWARFMustBeAtTheEnd*/ true));
-    Str.get()->InitSections(Opts.NoExecStack);
-  }
-
-  bool Failed = false;
-
-  std::unique_ptr<MCAsmParser> Parser(
-      createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
-
-  // FIXME: init MCTargetOptions from sanitizer flags here.
-  MCTargetOptions Options;
-  std::unique_ptr<MCTargetAsmParser> TAP(
-      TheTarget->createMCAsmParser(*STI, *Parser, *MCII, Options));
-  if (!TAP)
-    Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  // Set values for symbols, if any.
-  for (auto &S : Opts.SymbolDefs) {
-    auto Pair = StringRef(S).split('=');
-    auto Sym = Pair.first;
-    auto Val = Pair.second;
-    int64_t Value = 0;
-    // We have already error checked this in the driver.
-    Val.getAsInteger(0, Value);
-    Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
-  }
-
-  if (!Failed) {
-    Parser->setTargetParser(*TAP.get());
-    Failed = Parser->Run(Opts.NoInitialTextSection);
-  }
-
-  // Close Streamer first.
-  // It might have a reference to the output stream.
-  Str.reset();
-  // Close the output stream early.
-  BOS.reset();
-  FDOS.reset();
-
-  // Delete output file if there were errors.
-  if (Failed && Opts.OutputPath != "-")
-    sys::fs::remove(Opts.OutputPath);
-
-  return Failed;
-}
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // We cannot recover from llvm errors.
-  exit(1);
-}
-
-int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  // Initialize targets and assembly printers/parsers.
-  InitializeAllTargetInfos();
-  InitializeAllTargetMCs();
-  InitializeAllAsmParsers();
-
-  // Construct our diagnostic client.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(errs(), &*DiagOpts);
-  DiagClient->setPrefix("clang -cc1as");
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  ScopedFatalErrorHandler FatalErrorHandler
-    (LLVMErrorHandler, static_cast<void*>(&Diags));
-
-  // Parse the arguments.
-  AssemblerInvocation Asm;
-  if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags))
-    return 1;
-
-  if (Asm.ShowHelp) {
-    std::unique_ptr<OptTable> Opts(driver::createDriverOptTable());
-    Opts->PrintHelp(llvm::outs(), "clang -cc1as", "Clang Integrated Assembler",
-                    /*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
-                    /*ShowAllAliases=*/false);
-    return 0;
-  }
-
-  // Honor -version.
-  //
-  // FIXME: Use a better -version message?
-  if (Asm.ShowVersion) {
-    llvm::cl::PrintVersionMessage();
-    return 0;
-  }
-
-  // Honor -mllvm.
-  //
-  // FIXME: Remove this, one day.
-  if (!Asm.LLVMArgs.empty()) {
-    unsigned NumArgs = Asm.LLVMArgs.size();
-    auto Args = llvm::make_unique<const char*[]>(NumArgs + 2);
-    Args[0] = "clang (LLVM option parsing)";
-    for (unsigned i = 0; i != NumArgs; ++i)
-      Args[i + 1] = Asm.LLVMArgs[i].c_str();
-    Args[NumArgs + 1] = nullptr;
-    llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
-  }
-
-  // Execute the invocation, unless there were parsing errors.
-  bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags);
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.
-  TimerGroup::printAll(errs());
-
-  return !!Failed;
-}

dbms/programs/clang/Compiler-6.0.0/driver.cpp

@@ -1,520 +0,0 @@
-//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang driver; it is a thin wrapper
-// for functionality in the Driver clang library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Driver/ToolChain.h"
-#include "clang/Frontend/ChainedDiagnosticConsumer.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/SerializedDiagnosticPrinter.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Config/llvm-config.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Program.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/StringSaver.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <set>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace llvm::opt;
-
-std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
-  if (!CanonicalPrefixes) {
-    SmallString<128> ExecutablePath(Argv0);
-    // Do a PATH lookup if Argv0 isn't a valid path.
-    if (!llvm::sys::fs::exists(ExecutablePath))
-      if (llvm::ErrorOr<std::string> P =
-              llvm::sys::findProgramByName(ExecutablePath))
-        ExecutablePath = *P;
-    return ExecutablePath.str();
-  }
-
-  // This just needs to be some symbol in the binary; C++ doesn't
-  // allow taking the address of ::main however.
-  void *P = (void*) (intptr_t) GetExecutablePath;
-  return llvm::sys::fs::getMainExecutable(Argv0, P);
-}
-
-static const char *GetStableCStr(std::set<std::string> &SavedStrings,
-                                 StringRef S) {
-  return SavedStrings.insert(S).first->c_str();
-}
-
-/// ApplyQAOverride - Apply a list of edits to the input argument lists.
-///
-/// The input string is a space separate list of edits to perform,
-/// they are applied in order to the input argument lists. Edits
-/// should be one of the following forms:
-///
-///  '#': Silence information about the changes to the command line arguments.
-///
-///  '^': Add FOO as a new argument at the beginning of the command line.
-///
-///  '+': Add FOO as a new argument at the end of the command line.
-///
-///  's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
-///  line.
-///
-///  'xOPTION': Removes all instances of the literal argument OPTION.
-///
-///  'XOPTION': Removes all instances of the literal argument OPTION,
-///  and the following argument.
-///
-///  'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
-///  at the end of the command line.
-///
-/// \param OS - The stream to write edit information to.
-/// \param Args - The vector of command line arguments.
-/// \param Edit - The override command to perform.
-/// \param SavedStrings - Set to use for storing string representations.
-static void ApplyOneQAOverride(raw_ostream &OS,
-                               SmallVectorImpl<const char*> &Args,
-                               StringRef Edit,
-                               std::set<std::string> &SavedStrings) {
-  // This does not need to be efficient.
-
-  if (Edit[0] == '^') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at beginning\n";
-    Args.insert(Args.begin() + 1, Str);
-  } else if (Edit[0] == '+') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at end\n";
-    Args.push_back(Str);
-  } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
-             Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) {
-    StringRef MatchPattern = Edit.substr(2).split('/').first;
-    StringRef ReplPattern = Edit.substr(2).split('/').second;
-    ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);
-
-    for (unsigned i = 1, e = Args.size(); i != e; ++i) {
-      // Ignore end-of-line response file markers
-      if (Args[i] == nullptr)
-        continue;
-      std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);
-
-      if (Repl != Args[i]) {
-        OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
-        Args[i] = GetStableCStr(SavedStrings, Repl);
-      }
-    }
-  } else if (Edit[0] == 'x' || Edit[0] == 'X') {
-    auto Option = Edit.substr(1);
-    for (unsigned i = 1; i < Args.size();) {
-      if (Option == Args[i]) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-        if (Edit[0] == 'X') {
-          if (i < Args.size()) {
-            OS << "### Deleting argument " << Args[i] << '\n';
-            Args.erase(Args.begin() + i);
-          } else
-            OS << "### Invalid X edit, end of command line!\n";
-        }
-      } else
-        ++i;
-    }
-  } else if (Edit[0] == 'O') {
-    for (unsigned i = 1; i < Args.size();) {
-      const char *A = Args[i];
-      // Ignore end-of-line response file markers
-      if (A == nullptr)
-        continue;
-      if (A[0] == '-' && A[1] == 'O' &&
-          (A[2] == '\0' ||
-           (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
-                             ('0' <= A[2] && A[2] <= '9'))))) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-      } else
-        ++i;
-    }
-    OS << "### Adding argument " << Edit << " at end\n";
-    Args.push_back(GetStableCStr(SavedStrings, '-' + Edit.str()));
-  } else {
-    OS << "### Unrecognized edit: " << Edit << "\n";
-  }
-}
-
-/// ApplyQAOverride - Apply a comma separate list of edits to the
-/// input argument lists. See ApplyOneQAOverride.
-static void ApplyQAOverride(SmallVectorImpl<const char*> &Args,
-                            const char *OverrideStr,
-                            std::set<std::string> &SavedStrings) {
-  raw_ostream *OS = &llvm::errs();
-
-  if (OverrideStr[0] == '#') {
-    ++OverrideStr;
-    OS = &llvm::nulls();
-  }
-
-  *OS << "### CCC_OVERRIDE_OPTIONS: " << OverrideStr << "\n";
-
-  // This does not need to be efficient.
-
-  const char *S = OverrideStr;
-  while (*S) {
-    const char *End = ::strchr(S, ' ');
-    if (!End)
-      End = S + strlen(S);
-    if (End != S)
-      ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings);
-    S = End;
-    if (*S != '\0')
-      ++S;
-  }
-}
-
-extern int cc1_main(ArrayRef<const char *> Argv, const char *Argv0,
-                    void *MainAddr);
-extern int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0,
-                      void *MainAddr);
-
-static void insertTargetAndModeArgs(const ParsedClangName &NameParts,
-                                    SmallVectorImpl<const char *> &ArgVector,
-                                    std::set<std::string> &SavedStrings) {
-  // Put target and mode arguments at the start of argument list so that
-  // arguments specified in command line could override them. Avoid putting
-  // them at index 0, as an option like '-cc1' must remain the first.
-  auto InsertionPoint = ArgVector.begin();
-  if (InsertionPoint != ArgVector.end())
-    ++InsertionPoint;
-
-  if (NameParts.DriverMode) {
-    // Add the mode flag to the arguments.
-    ArgVector.insert(InsertionPoint,
-                     GetStableCStr(SavedStrings, NameParts.DriverMode));
-  }
-
-  if (NameParts.TargetIsValid) {
-    const char *arr[] = {"-target", GetStableCStr(SavedStrings,
-                                                  NameParts.TargetPrefix)};
-    ArgVector.insert(InsertionPoint, std::begin(arr), std::end(arr));
-  }
-}
-
-static void getCLEnvVarOptions(std::string &EnvValue, llvm::StringSaver &Saver,
-                               SmallVectorImpl<const char *> &Opts) {
-  llvm::cl::TokenizeWindowsCommandLine(EnvValue, Saver, Opts);
-  // The first instance of '#' should be replaced with '=' in each option.
-  for (const char *Opt : Opts)
-    if (char *NumberSignPtr = const_cast<char *>(::strchr(Opt, '#')))
-      *NumberSignPtr = '=';
-}
-
-static void SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
-  // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE.
-  TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS");
-  if (TheDriver.CCPrintOptions)
-    TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE");
-
-  // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE.
-  TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS");
-  if (TheDriver.CCPrintHeaders)
-    TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE");
-
-  // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE.
-  TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS");
-  if (TheDriver.CCLogDiagnostics)
-    TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE");
-}
-
-static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
-                                   const std::string &Path) {
-  // If the clang binary happens to be named cl.exe for compatibility reasons,
-  // use clang-cl.exe as the prefix to avoid confusion between clang and MSVC.
-  StringRef ExeBasename(llvm::sys::path::filename(Path));
-  if (ExeBasename.equals_lower("cl.exe"))
-    ExeBasename = "clang-cl.exe";
-  DiagClient->setPrefix(ExeBasename);
-}
-
-// This lets us create the DiagnosticsEngine with a properly-filled-out
-// DiagnosticOptions instance.
-static DiagnosticOptions *
-CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
-  auto *DiagOpts = new DiagnosticOptions;
-  std::unique_ptr<OptTable> Opts(createDriverOptTable());
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args =
-      Opts->ParseArgs(argv.slice(1), MissingArgIndex, MissingArgCount);
-  // We ignore MissingArgCount and the return value of ParseDiagnosticArgs.
-  // Any errors that would be diagnosed here will also be diagnosed later,
-  // when the DiagnosticsEngine actually exists.
-  (void)ParseDiagnosticArgs(*DiagOpts, Args);
-  return DiagOpts;
-}
-
-static void SetInstallDir(SmallVectorImpl<const char *> &argv,
-                          Driver &TheDriver, bool CanonicalPrefixes) {
-  // Attempt to find the original path used to invoke the driver, to determine
-  // the installed path. We do this manually, because we want to support that
-  // path being a symlink.
-  SmallString<128> InstalledPath(argv[0]);
-
-  // Do a PATH lookup, if there are no directory components.
-  if (llvm::sys::path::filename(InstalledPath) == InstalledPath)
-    if (llvm::ErrorOr<std::string> Tmp = llvm::sys::findProgramByName(
-            llvm::sys::path::filename(InstalledPath.str())))
-      InstalledPath = *Tmp;
-
-  // FIXME: We don't actually canonicalize this, we just make it absolute.
-  if (CanonicalPrefixes)
-    llvm::sys::fs::make_absolute(InstalledPath);
-
-  StringRef InstalledPathParent(llvm::sys::path::parent_path(InstalledPath));
-  if (llvm::sys::fs::exists(InstalledPathParent))
-    TheDriver.setInstalledDir(InstalledPathParent);
-}
-
-static int ExecuteCC1Tool(ArrayRef<const char *> argv, StringRef Tool) {
-  void *GetExecutablePathVP = (void *)(intptr_t) GetExecutablePath;
-  if (Tool == "")
-    return cc1_main(argv.slice(2), argv[0], GetExecutablePathVP);
-  if (Tool == "as")
-    return cc1as_main(argv.slice(2), argv[0], GetExecutablePathVP);
-
-  // Reject unknown tools.
-  llvm::errs() << "error: unknown integrated tool '" << Tool << "'\n";
-  return 1;
-}
-
-int mainEntryClickHouseClang(int argc_, char **argv_) {
-  llvm::sys::PrintStackTraceOnErrorSignal(argv_[0]);
-  llvm::PrettyStackTraceProgram X(argc_, argv_);
-  llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
-  if (llvm::sys::Process::FixupStandardFileDescriptors())
-    return 1;
-
-  SmallVector<const char *, 256> argv;
-  llvm::SpecificBumpPtrAllocator<char> ArgAllocator;
-  std::error_code EC = llvm::sys::Process::GetArgumentVector(
-      argv, llvm::makeArrayRef(argv_, argc_), ArgAllocator);
-  if (EC) {
-    llvm::errs() << "error: couldn't get arguments: " << EC.message() << '\n';
-    return 1;
-  }
-
-  llvm::InitializeAllTargets();
-  auto TargetAndMode = ToolChain::getTargetAndModeFromProgramName(argv[0]);
-
-  llvm::BumpPtrAllocator A;
-  llvm::StringSaver Saver(A);
-
-  // Parse response files using the GNU syntax, unless we're in CL mode. There
-  // are two ways to put clang in CL compatibility mode: argv[0] is either
-  // clang-cl or cl, or --driver-mode=cl is on the command line. The normal
-  // command line parsing can't happen until after response file parsing, so we
-  // have to manually search for a --driver-mode=cl argument the hard way.
-  // Finally, our -cc1 tools don't care which tokenization mode we use because
-  // response files written by clang will tokenize the same way in either mode.
-  bool ClangCLMode = false;
-  if (StringRef(TargetAndMode.DriverMode).equals("--driver-mode=cl") ||
-      std::find_if(argv.begin(), argv.end(), [](const char *F) {
-        return F && strcmp(F, "--driver-mode=cl") == 0;
-      }) != argv.end()) {
-    ClangCLMode = true;
-  }
-  enum { Default, POSIX, Windows } RSPQuoting = Default;
-  for (const char *F : argv) {
-    if (strcmp(F, "--rsp-quoting=posix") == 0)
-      RSPQuoting = POSIX;
-    else if (strcmp(F, "--rsp-quoting=windows") == 0)
-      RSPQuoting = Windows;
-  }
-
-  // Determines whether we want nullptr markers in argv to indicate response
-  // files end-of-lines. We only use this for the /LINK driver argument with
-  // clang-cl.exe on Windows.
-  bool MarkEOLs = ClangCLMode;
-
-  llvm::cl::TokenizerCallback Tokenizer;
-  if (RSPQuoting == Windows || (RSPQuoting == Default && ClangCLMode))
-    Tokenizer = &llvm::cl::TokenizeWindowsCommandLine;
-  else
-    Tokenizer = &llvm::cl::TokenizeGNUCommandLine;
-
-  if (MarkEOLs && argv.size() > 1 && StringRef(argv[1]).startswith("-cc1"))
-    MarkEOLs = false;
-  llvm::cl::ExpandResponseFiles(Saver, Tokenizer, argv, MarkEOLs);
-
-  // Handle -cc1 integrated tools, even if -cc1 was expanded from a response
-  // file.
-  auto FirstArg = std::find_if(argv.begin() + 1, argv.end(),
-                               [](const char *A) { return A != nullptr; });
-  if (FirstArg != argv.end() && StringRef(*FirstArg).startswith("-cc1")) {
-    // If -cc1 came from a response file, remove the EOL sentinels.
-    if (MarkEOLs) {
-      auto newEnd = std::remove(argv.begin(), argv.end(), nullptr);
-      argv.resize(newEnd - argv.begin());
-    }
-    return ExecuteCC1Tool(argv, argv[1] + 4);
-  }
-
-  bool CanonicalPrefixes = true;
-  for (int i = 1, size = argv.size(); i < size; ++i) {
-    // Skip end-of-line response file markers
-    if (argv[i] == nullptr)
-      continue;
-    if (StringRef(argv[i]) == "-no-canonical-prefixes") {
-      CanonicalPrefixes = false;
-      break;
-    }
-  }
-
-  // Handle CL and _CL_ which permits additional command line options to be
-  // prepended or appended.
-  if (ClangCLMode) {
-    // Arguments in "CL" are prepended.
-    llvm::Optional<std::string> OptCL = llvm::sys::Process::GetEnv("CL");
-    if (OptCL.hasValue()) {
-      SmallVector<const char *, 8> PrependedOpts;
-      getCLEnvVarOptions(OptCL.getValue(), Saver, PrependedOpts);
-
-      // Insert right after the program name to prepend to the argument list.
-      argv.insert(argv.begin() + 1, PrependedOpts.begin(), PrependedOpts.end());
-    }
-    // Arguments in "_CL_" are appended.
-    llvm::Optional<std::string> Opt_CL_ = llvm::sys::Process::GetEnv("_CL_");
-    if (Opt_CL_.hasValue()) {
-      SmallVector<const char *, 8> AppendedOpts;
-      getCLEnvVarOptions(Opt_CL_.getValue(), Saver, AppendedOpts);
-
-      // Insert at the end of the argument list to append.
-      argv.append(AppendedOpts.begin(), AppendedOpts.end());
-    }
-  }
-
-  std::set<std::string> SavedStrings;
-  // Handle CCC_OVERRIDE_OPTIONS, used for editing a command line behind the
-  // scenes.
-  if (const char *OverrideStr = ::getenv("CCC_OVERRIDE_OPTIONS")) {
-    // FIXME: Driver shouldn't take extra initial argument.
-    ApplyQAOverride(argv, OverrideStr, SavedStrings);
-  }
-
-  std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes);
-
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
-      CreateAndPopulateDiagOpts(argv);
-
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
-  FixupDiagPrefixExeName(DiagClient, Path);
-
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  if (!DiagOpts->DiagnosticSerializationFile.empty()) {
-    auto SerializedConsumer =
-        clang::serialized_diags::create(DiagOpts->DiagnosticSerializationFile,
-                                        &*DiagOpts, /*MergeChildRecords=*/true);
-    Diags.setClient(new ChainedDiagnosticConsumer(
-        Diags.takeClient(), std::move(SerializedConsumer)));
-  }
-
-  ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
-
-  Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), Diags);
-  SetInstallDir(argv, TheDriver, CanonicalPrefixes);
-  TheDriver.setTargetAndMode(TargetAndMode);
-
-  insertTargetAndModeArgs(TargetAndMode, argv, SavedStrings);
-
-  SetBackdoorDriverOutputsFromEnvVars(TheDriver);
-
-  std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(argv));
-  int Res = 1;
-  if (C && !C->containsError()) {
-    SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
-    Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
-
-    // Force a crash to test the diagnostics.
-    if (TheDriver.GenReproducer) {
-      Diags.Report(diag::err_drv_force_crash)
-        << !::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH");
-
-      // Pretend that every command failed.
-      FailingCommands.clear();
-      for (const auto &J : C->getJobs())
-        if (const Command *C = dyn_cast<Command>(&J))
-          FailingCommands.push_back(std::make_pair(-1, C));
-    }
-
-    for (const auto &P : FailingCommands) {
-      int CommandRes = P.first;
-      const Command *FailingCommand = P.second;
-      if (!Res)
-        Res = CommandRes;
-
-      // If result status is < 0, then the driver command signalled an error.
-      // If result status is 70, then the driver command reported a fatal error.
-      // On Windows, abort will return an exit code of 3.  In these cases,
-      // generate additional diagnostic information if possible.
-      bool DiagnoseCrash = CommandRes < 0 || CommandRes == 70;
-#ifdef LLVM_ON_WIN32
-      DiagnoseCrash |= CommandRes == 3;
-#endif
-      if (DiagnoseCrash) {
-        TheDriver.generateCompilationDiagnostics(*C, *FailingCommand);
-        break;
-      }
-    }
-  }
-
-  Diags.getClient()->finish();
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-#ifdef LLVM_ON_WIN32
-  // Exit status should not be negative on Win32, unless abnormal termination.
-  // Once abnormal termiation was caught, negative status should not be
-  // propagated.
-  if (Res < 0)
-    Res = 1;
-#endif
-
-  // If we have multiple failing commands, we return the result of the first
-  // failing command.
-  return Res;
-}

dbms/programs/clang/Compiler-6.0.0/lld.cpp

@@ -1,23 +0,0 @@
-#include "lld/Common/Driver.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Signals.h"
-
-using namespace lld;
-using namespace llvm;
-using namespace llvm::sys;
-
-int mainEntryClickHouseLLD(int Argc, char **Argv)
-{
-  // Standard set up, so program fails gracefully.
-  sys::PrintStackTraceOnErrorSignal(Argv[0]);
-  PrettyStackTraceProgram StackPrinter(Argc, Argv);
-  llvm_shutdown_obj Shutdown;
-
-  std::vector<const char *> Args(Argv, Argv + Argc);
-  return !elf::link(Args, true);
-}

dbms/programs/clang/Compiler-6.0.0svn

@@ -1 +0,0 @@
-Compiler-6.0.0

dbms/programs/clang/Compiler-6.0.1

@@ -1 +0,0 @@
-Compiler-6.0.0

dbms/programs/clang/Compiler-7.0.0/CMakeLists.txt

@@ -1,49 +0,0 @@
-add_definitions(-Wno-error -Wno-unused-parameter -Wno-non-virtual-dtor -U_LIBCPP_DEBUG)
-
-link_directories(${LLVM_LIBRARY_DIRS})
-
-add_library(clickhouse-compiler-lib
-    driver.cpp
-    cc1_main.cpp
-    cc1gen_reproducer_main.cpp
-    cc1as_main.cpp
-    lld.cpp)
-
-target_compile_options(clickhouse-compiler-lib PRIVATE -fno-rtti -fno-exceptions -g0)
-
-string(REPLACE "${INCLUDE_DEBUG_HELPERS}" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # cant compile with -fno-rtti
-
-llvm_libs_all(REQUIRED_LLVM_LIBRARIES)
-
-message(STATUS "Using LLVM ${LLVM_VERSION}: ${LLVM_INCLUDE_DIRS} : ${REQUIRED_LLVM_LIBRARIES}")
-
-target_include_directories(clickhouse-compiler-lib SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-
-# This is extracted almost directly from CMakeFiles/.../link.txt in LLVM build directory.
-
-target_link_libraries(clickhouse-compiler-lib PRIVATE
-clangBasic clangCodeGen clangDriver
-clangFrontend
-clangFrontendTool
-clangRewriteFrontend clangARCMigrate clangStaticAnalyzerFrontend
-clangParse clangSerialization clangSema clangEdit clangStaticAnalyzerCheckers
-clangASTMatchers clangStaticAnalyzerCore clangAnalysis clangAST clangRewrite clangLex clangBasic
-clangCrossTU clangIndex
-
-lldCOFF
-lldDriver
-lldELF
-lldMinGW
-lldMachO
-lldReaderWriter
-lldYAML
-lldCommon
-lldCore
-
-${REQUIRED_LLVM_LIBRARIES}
-
-PUBLIC ${ZLIB_LIBRARIES} ${EXECINFO_LIBRARIES} Threads::Threads
-${MALLOC_LIBRARIES}
-${GLIBC_COMPATIBILITY_LIBRARIES}
-${MEMCPY_LIBRARIES}
-)

dbms/programs/clang/Compiler-7.0.0/cc1_main.cpp

@@ -1,239 +0,0 @@
-//===-- cc1_main.cpp - Clang CC1 Compiler Frontend ------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1 functionality, which implements the
-// core compiler functionality along with a number of additional tools for
-// demonstration and testing purposes.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Option/Arg.h"
-#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
-#include "clang/Config/config.h"
-#include "clang/Basic/Stack.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticBuffer.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/FrontendTool/Utils.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/Config/llvm-config.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstdio>
-
-#ifdef CLANG_HAVE_RLIMITS
-#include <sys/resource.h>
-#endif
-
-// have no .a version in packages
-#undef LINK_POLLY_INTO_TOOLS
-
-using namespace clang;
-using namespace llvm::opt;
-
-//===----------------------------------------------------------------------===//
-// Main driver
-//===----------------------------------------------------------------------===//
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // Run the interrupt handlers to make sure any special cleanups get done, in
-  // particular that we remove files registered with RemoveFileOnSignal.
-  llvm::sys::RunInterruptHandlers();
-
-  // We cannot recover from llvm errors.  When reporting a fatal error, exit
-  // with status 70 to generate crash diagnostics.  For BSD systems this is
-  // defined as an internal software error.  Otherwise, exit with status 1.
-  exit(GenCrashDiag ? 70 : 1);
-}
-
-#ifdef LINK_POLLY_INTO_TOOLS
-namespace polly {
-void initializePollyPasses(llvm::PassRegistry &Registry);
-}
-#endif
-
-#ifdef CLANG_HAVE_RLIMITS
-#if defined(__linux__) && defined(__PIE__)
-static size_t getCurrentStackAllocation() {
-  // If we can't compute the current stack usage, allow for 512K of command
-  // line arguments and environment.
-  size_t Usage = 512 * 1024;
-  if (FILE *StatFile = fopen("/proc/self/stat", "r")) {
-    // We assume that the stack extends from its current address to the end of
-    // the environment space. In reality, there is another string literal (the
-    // program name) after the environment, but this is close enough (we only
-    // need to be within 100K or so).
-    unsigned long StackPtr, EnvEnd;
-    // Disable silly GCC -Wformat warning that complains about length
-    // modifiers on ignored format specifiers. We want to retain these
-    // for documentation purposes even though they have no effect.
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-#endif
-    if (fscanf(StatFile,
-               "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %*lu "
-               "%*lu %*ld %*ld %*ld %*ld %*ld %*ld %*llu %*lu %*ld %*lu %*lu "
-               "%*lu %*lu %lu %*lu %*lu %*lu %*lu %*lu %*llu %*lu %*lu %*d %*d "
-               "%*u %*u %*llu %*lu %*ld %*lu %*lu %*lu %*lu %*lu %*lu %lu %*d",
-               &StackPtr, &EnvEnd) == 2) {
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic pop
-#endif
-      Usage = StackPtr < EnvEnd ? EnvEnd - StackPtr : StackPtr - EnvEnd;
-    }
-    fclose(StatFile);
-  }
-  return Usage;
-}
-
-#include <alloca.h>
-
-LLVM_ATTRIBUTE_NOINLINE
-static void ensureStackAddressSpace() {
-  // Linux kernels prior to 4.1 will sometimes locate the heap of a PIE binary
-  // relatively close to the stack (they are only guaranteed to be 128MiB
-  // apart). This results in crashes if we happen to heap-allocate more than
-  // 128MiB before we reach our stack high-water mark.
-  //
-  // To avoid these crashes, ensure that we have sufficient virtual memory
-  // pages allocated before we start running.
-  size_t Curr = getCurrentStackAllocation();
-  const int kTargetStack = DesiredStackSize - 256 * 1024;
-  if (Curr < kTargetStack) {
-    volatile char *volatile Alloc =
-        static_cast<volatile char *>(alloca(kTargetStack - Curr));
-    Alloc[0] = 0;
-    Alloc[kTargetStack - Curr - 1] = 0;
-  }
-}
-#else
-static void ensureStackAddressSpace() {}
-#endif
-
-/// Attempt to ensure that we have at least 8MiB of usable stack space.
-static void ensureSufficientStack() {
-  struct rlimit rlim;
-  if (getrlimit(RLIMIT_STACK, &rlim) != 0)
-    return;
-
-  // Increase the soft stack limit to our desired level, if necessary and
-  // possible.
-  if (rlim.rlim_cur != RLIM_INFINITY &&
-      rlim.rlim_cur < rlim_t(DesiredStackSize)) {
-    // Try to allocate sufficient stack.
-    if (rlim.rlim_max == RLIM_INFINITY ||
-        rlim.rlim_max >= rlim_t(DesiredStackSize))
-      rlim.rlim_cur = DesiredStackSize;
-    else if (rlim.rlim_cur == rlim.rlim_max)
-      return;
-    else
-      rlim.rlim_cur = rlim.rlim_max;
-
-    if (setrlimit(RLIMIT_STACK, &rlim) != 0 ||
-        rlim.rlim_cur != DesiredStackSize)
-      return;
-  }
-
-  // We should now have a stack of size at least DesiredStackSize. Ensure
-  // that we can actually use that much, if necessary.
-  ensureStackAddressSpace();
-}
-#else
-static void ensureSufficientStack() {}
-#endif
-
-int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  ensureSufficientStack();
-
-  std::unique_ptr<CompilerInstance> Clang(new CompilerInstance());
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  // Register the support for object-file-wrapped Clang modules.
-  auto PCHOps = Clang->getPCHContainerOperations();
-  PCHOps->registerWriter(llvm::make_unique<ObjectFilePCHContainerWriter>());
-  PCHOps->registerReader(llvm::make_unique<ObjectFilePCHContainerReader>());
-
-  // Initialize targets first, so that --version shows registered targets.
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmPrinters();
-  llvm::InitializeAllAsmParsers();
-
-#ifdef LINK_POLLY_INTO_TOOLS
-  llvm::PassRegistry &Registry = *llvm::PassRegistry::getPassRegistry();
-  polly::initializePollyPasses(Registry);
-#endif
-
-  // Buffer diagnostics from argument parsing so that we can output them using a
-  // well formed diagnostic object.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagsBuffer);
-  bool Success = CompilerInvocation::CreateFromArgs(
-      Clang->getInvocation(), Argv.begin(), Argv.end(), Diags);
-
-  // Infer the builtin include path if unspecified.
-  if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
-      Clang->getHeaderSearchOpts().ResourceDir.empty())
-    Clang->getHeaderSearchOpts().ResourceDir =
-      CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
-
-  // Create the actual diagnostics engine.
-  Clang->createDiagnostics();
-  if (!Clang->hasDiagnostics())
-    return 1;
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  llvm::install_fatal_error_handler(LLVMErrorHandler,
-                                  static_cast<void*>(&Clang->getDiagnostics()));
-
-  DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
-  if (!Success)
-    return 1;
-
-  // Execute the frontend actions.
-  Success = ExecuteCompilerInvocation(Clang.get());
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-  // Our error handler depends on the Diagnostics object, which we're
-  // potentially about to delete. Uninstall the handler now so that any
-  // later errors use the default handling behavior instead.
-  llvm::remove_fatal_error_handler();
-
-  // When running with -disable-free, don't do any destruction or shutdown.
-  if (Clang->getFrontendOpts().DisableFree) {
-    BuryPointer(std::move(Clang));
-    return !Success;
-  }
-
-  return !Success;
-}

dbms/programs/clang/Compiler-7.0.0/cc1as_main.cpp

@@ -1,572 +0,0 @@
-//===-- cc1as_main.cpp - Clang Assembler  ---------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1as functionality, which implements
-// the direct interface to the LLVM MC based assembler.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/MC/MCAsmBackend.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCCodeEmitter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace clang::driver::options;
-using namespace llvm;
-using namespace llvm::opt;
-
-namespace {
-
-/// Helper class for representing a single invocation of the assembler.
-struct AssemblerInvocation {
-  /// @name Target Options
-  /// @{
-
-  /// The name of the target triple to assemble for.
-  std::string Triple;
-
-  /// If given, the name of the target CPU to determine which instructions
-  /// are legal.
-  std::string CPU;
-
-  /// The list of target specific features to enable or disable -- this should
-  /// be a list of strings starting with '+' or '-'.
-  std::vector<std::string> Features;
-
-  /// The list of symbol definitions.
-  std::vector<std::string> SymbolDefs;
-
-  /// @}
-  /// @name Language Options
-  /// @{
-
-  std::vector<std::string> IncludePaths;
-  unsigned NoInitialTextSection : 1;
-  unsigned SaveTemporaryLabels : 1;
-  unsigned GenDwarfForAssembly : 1;
-  unsigned RelaxELFRelocations : 1;
-  unsigned DwarfVersion;
-  std::string DwarfDebugFlags;
-  std::string DwarfDebugProducer;
-  std::string DebugCompilationDir;
-  std::map<const std::string, const std::string> DebugPrefixMap;
-  llvm::DebugCompressionType CompressDebugSections =
-      llvm::DebugCompressionType::None;
-  std::string MainFileName;
-  std::string SplitDwarfFile;
-
-  /// @}
-  /// @name Frontend Options
-  /// @{
-
-  std::string InputFile;
-  std::vector<std::string> LLVMArgs;
-  std::string OutputPath;
-  enum FileType {
-    FT_Asm,  ///< Assembly (.s) output, transliterate mode.
-    FT_Null, ///< No output, for timing purposes.
-    FT_Obj   ///< Object file output.
-  };
-  FileType OutputType;
-  unsigned ShowHelp : 1;
-  unsigned ShowVersion : 1;
-
-  /// @}
-  /// @name Transliterate Options
-  /// @{
-
-  unsigned OutputAsmVariant;
-  unsigned ShowEncoding : 1;
-  unsigned ShowInst : 1;
-
-  /// @}
-  /// @name Assembler Options
-  /// @{
-
-  unsigned RelaxAll : 1;
-  unsigned NoExecStack : 1;
-  unsigned FatalWarnings : 1;
-  unsigned IncrementalLinkerCompatible : 1;
-
-  /// The name of the relocation model to use.
-  std::string RelocationModel;
-
-  /// @}
-
-public:
-  AssemblerInvocation() {
-    Triple = "";
-    NoInitialTextSection = 0;
-    InputFile = "-";
-    OutputPath = "-";
-    OutputType = FT_Asm;
-    OutputAsmVariant = 0;
-    ShowInst = 0;
-    ShowEncoding = 0;
-    RelaxAll = 0;
-    NoExecStack = 0;
-    FatalWarnings = 0;
-    IncrementalLinkerCompatible = 0;
-    DwarfVersion = 0;
-  }
-
-  static bool CreateFromArgs(AssemblerInvocation &Res,
-                             ArrayRef<const char *> Argv,
-                             DiagnosticsEngine &Diags);
-};
-
-}
-
-bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
-                                         ArrayRef<const char *> Argv,
-                                         DiagnosticsEngine &Diags) {
-  bool Success = true;
-
-  // Parse the arguments.
-  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());
-
-  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
-                                        IncludedFlagsBitmask);
-
-  // Check for missing argument error.
-  if (MissingArgCount) {
-    Diags.Report(diag::err_drv_missing_argument)
-        << Args.getArgString(MissingArgIndex) << MissingArgCount;
-    Success = false;
-  }
-
-  // Issue errors on unknown arguments.
-  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
-    auto ArgString = A->getAsString(Args);
-    std::string Nearest;
-    if (OptTbl->findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
-      Diags.Report(diag::err_drv_unknown_argument) << ArgString;
-    else
-      Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
-          << ArgString << Nearest;
-    Success = false;
-  }
-
-  // Construct the invocation.
-
-  // Target Options
-  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
-  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
-  Opts.Features = Args.getAllArgValues(OPT_target_feature);
-
-  // Use the default target triple if unspecified.
-  if (Opts.Triple.empty())
-    Opts.Triple = llvm::sys::getDefaultTargetTriple();
-
-  // Language Options
-  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
-  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
-  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
-  // Any DebugInfoKind implies GenDwarfForAssembly.
-  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
-
-  if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
-                                     OPT_compress_debug_sections_EQ)) {
-    if (A->getOption().getID() == OPT_compress_debug_sections) {
-      // TODO: be more clever about the compression type auto-detection
-      Opts.CompressDebugSections = llvm::DebugCompressionType::GNU;
-    } else {
-      Opts.CompressDebugSections =
-          llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
-              .Case("none", llvm::DebugCompressionType::None)
-              .Case("zlib", llvm::DebugCompressionType::Z)
-              .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
-              .Default(llvm::DebugCompressionType::None);
-    }
-  }
-
-  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
-  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
-  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
-  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
-  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
-  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
-
-  for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ))
-    Opts.DebugPrefixMap.insert(StringRef(Arg).split('='));
-
-  // Frontend Options
-  if (Args.hasArg(OPT_INPUT)) {
-    bool First = true;
-    for (const Arg *A : Args.filtered(OPT_INPUT)) {
-      if (First) {
-        Opts.InputFile = A->getValue();
-        First = false;
-      } else {
-        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-        Success = false;
-      }
-    }
-  }
-  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
-  Opts.OutputPath = Args.getLastArgValue(OPT_o);
-  Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
-  if (Arg *A = Args.getLastArg(OPT_filetype)) {
-    StringRef Name = A->getValue();
-    unsigned OutputType = StringSwitch<unsigned>(Name)
-      .Case("asm", FT_Asm)
-      .Case("null", FT_Null)
-      .Case("obj", FT_Obj)
-      .Default(~0U);
-    if (OutputType == ~0U) {
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
-      Success = false;
-    } else
-      Opts.OutputType = FileType(OutputType);
-  }
-  Opts.ShowHelp = Args.hasArg(OPT_help);
-  Opts.ShowVersion = Args.hasArg(OPT_version);
-
-  // Transliterate Options
-  Opts.OutputAsmVariant =
-      getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
-  Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
-  Opts.ShowInst = Args.hasArg(OPT_show_inst);
-
-  // Assemble Options
-  Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
-  Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
-  Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
-  Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
-  Opts.IncrementalLinkerCompatible =
-      Args.hasArg(OPT_mincremental_linker_compatible);
-  Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
-
-  return Success;
-}
-
-static std::unique_ptr<raw_fd_ostream>
-getOutputStream(StringRef Path, DiagnosticsEngine &Diags, bool Binary) {
-  // Make sure that the Out file gets unlinked from the disk if we get a
-  // SIGINT.
-  if (Path != "-")
-    sys::RemoveFileOnSignal(Path);
-
-  std::error_code EC;
-  auto Out = llvm::make_unique<raw_fd_ostream>(
-      Path, EC, (Binary ? sys::fs::F_None : sys::fs::F_Text));
-  if (EC) {
-    Diags.Report(diag::err_fe_unable_to_open_output) << Path << EC.message();
-    return nullptr;
-  }
-
-  return Out;
-}
-
-static bool ExecuteAssembler(AssemblerInvocation &Opts,
-                             DiagnosticsEngine &Diags) {
-  // Get the target specific parser.
-  std::string Error;
-  const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
-  if (!TheTarget)
-    return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
-      MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
-
-  if (std::error_code EC = Buffer.getError()) {
-    Error = EC.message();
-    return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
-  }
-
-  SourceMgr SrcMgr;
-
-  // Tell SrcMgr about this buffer, which is what the parser will pick up.
-  SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
-
-  // Record the location of the include directories so that the lexer can find
-  // it later.
-  SrcMgr.setIncludeDirs(Opts.IncludePaths);
-
-  std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
-  assert(MRI && "Unable to create target register info!");
-
-  std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, Opts.Triple));
-  assert(MAI && "Unable to create target asm info!");
-
-  // Ensure MCAsmInfo initialization occurs before any use, otherwise sections
-  // may be created with a combination of default and explicit settings.
-  MAI->setCompressDebugSections(Opts.CompressDebugSections);
-
-  MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
-
-  bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
-  if (Opts.OutputPath.empty())
-    Opts.OutputPath = "-";
-  std::unique_ptr<raw_fd_ostream> FDOS =
-      getOutputStream(Opts.OutputPath, Diags, IsBinary);
-  if (!FDOS)
-    return true;
-  std::unique_ptr<raw_fd_ostream> DwoOS;
-  if (!Opts.SplitDwarfFile.empty())
-    DwoOS = getOutputStream(Opts.SplitDwarfFile, Diags, IsBinary);
-
-  // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
-  // MCObjectFileInfo needs a MCContext reference in order to initialize itself.
-  std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
-
-  MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
-
-  bool PIC = false;
-  if (Opts.RelocationModel == "static") {
-    PIC = false;
-  } else if (Opts.RelocationModel == "pic") {
-    PIC = true;
-  } else {
-    assert(Opts.RelocationModel == "dynamic-no-pic" &&
-           "Invalid PIC model!");
-    PIC = false;
-  }
-
-  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, Ctx);
-  if (Opts.SaveTemporaryLabels)
-    Ctx.setAllowTemporaryLabels(false);
-  if (Opts.GenDwarfForAssembly)
-    Ctx.setGenDwarfForAssembly(true);
-  if (!Opts.DwarfDebugFlags.empty())
-    Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
-  if (!Opts.DwarfDebugProducer.empty())
-    Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
-  if (!Opts.DebugCompilationDir.empty())
-    Ctx.setCompilationDir(Opts.DebugCompilationDir);
-  if (!Opts.DebugPrefixMap.empty())
-    for (const auto &KV : Opts.DebugPrefixMap)
-      Ctx.addDebugPrefixMapEntry(KV.first, KV.second);
-  if (!Opts.MainFileName.empty())
-    Ctx.setMainFileName(StringRef(Opts.MainFileName));
-  Ctx.setDwarfVersion(Opts.DwarfVersion);
-
-  // Build up the feature string from the target feature list.
-  std::string FS;
-  if (!Opts.Features.empty()) {
-    FS = Opts.Features[0];
-    for (unsigned i = 1, e = Opts.Features.size(); i != e; ++i)
-      FS += "," + Opts.Features[i];
-  }
-
-  std::unique_ptr<MCStreamer> Str;
-
-  std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
-  std::unique_ptr<MCSubtargetInfo> STI(
-      TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
-
-  raw_pwrite_stream *Out = FDOS.get();
-  std::unique_ptr<buffer_ostream> BOS;
-
-  // FIXME: There is a bit of code duplication with addPassesToEmitFile.
-  if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
-    MCInstPrinter *IP = TheTarget->createMCInstPrinter(
-        llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
-
-    std::unique_ptr<MCCodeEmitter> CE;
-    if (Opts.ShowEncoding)
-      CE.reset(TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
-    MCTargetOptions MCOptions;
-    std::unique_ptr<MCAsmBackend> MAB(
-        TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
-
-    auto FOut = llvm::make_unique<formatted_raw_ostream>(*Out);
-    Str.reset(TheTarget->createAsmStreamer(
-        Ctx, std::move(FOut), /*asmverbose*/ true,
-        /*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
-        Opts.ShowInst));
-  } else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
-    Str.reset(createNullStreamer(Ctx));
-  } else {
-    assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
-           "Invalid file type!");
-    if (!FDOS->supportsSeeking()) {
-      BOS = make_unique<buffer_ostream>(*FDOS);
-      Out = BOS.get();
-    }
-
-    std::unique_ptr<MCCodeEmitter> CE(
-        TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
-    MCTargetOptions MCOptions;
-    std::unique_ptr<MCAsmBackend> MAB(
-        TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
-    std::unique_ptr<MCObjectWriter> OW =
-        DwoOS ? MAB->createDwoObjectWriter(*Out, *DwoOS)
-              : MAB->createObjectWriter(*Out);
-
-    Triple T(Opts.Triple);
-    Str.reset(TheTarget->createMCObjectStreamer(
-        T, Ctx, std::move(MAB), std::move(OW), std::move(CE), *STI,
-        Opts.RelaxAll, Opts.IncrementalLinkerCompatible,
-        /*DWARFMustBeAtTheEnd*/ true));
-    Str.get()->InitSections(Opts.NoExecStack);
-  }
-
-  // Assembly to object compilation should leverage assembly info.
-  Str->setUseAssemblerInfoForParsing(true);
-
-  bool Failed = false;
-
-  std::unique_ptr<MCAsmParser> Parser(
-      createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
-
-  // FIXME: init MCTargetOptions from sanitizer flags here.
-  MCTargetOptions Options;
-  std::unique_ptr<MCTargetAsmParser> TAP(
-      TheTarget->createMCAsmParser(*STI, *Parser, *MCII, Options));
-  if (!TAP)
-    Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  // Set values for symbols, if any.
-  for (auto &S : Opts.SymbolDefs) {
-    auto Pair = StringRef(S).split('=');
-    auto Sym = Pair.first;
-    auto Val = Pair.second;
-    int64_t Value = 1;
-    // We have already error checked this in the driver.
-    Val.getAsInteger(0, Value);
-    Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
-  }
-
-  if (!Failed) {
-    Parser->setTargetParser(*TAP.get());
-    Failed = Parser->Run(Opts.NoInitialTextSection);
-  }
-
-  // Close Streamer first.
-  // It might have a reference to the output stream.
-  Str.reset();
-  // Close the output stream early.
-  BOS.reset();
-  FDOS.reset();
-
-  // Delete output file if there were errors.
-  if (Failed) {
-    if (Opts.OutputPath != "-")
-      sys::fs::remove(Opts.OutputPath);
-    if (!Opts.SplitDwarfFile.empty() && Opts.SplitDwarfFile != "-")
-      sys::fs::remove(Opts.SplitDwarfFile);
-  }
-
-  return Failed;
-}
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // We cannot recover from llvm errors.
-  exit(1);
-}
-
-int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  // Initialize targets and assembly printers/parsers.
-  InitializeAllTargetInfos();
-  InitializeAllTargetMCs();
-  InitializeAllAsmParsers();
-
-  // Construct our diagnostic client.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(errs(), &*DiagOpts);
-  DiagClient->setPrefix("clang -cc1as");
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  ScopedFatalErrorHandler FatalErrorHandler
-    (LLVMErrorHandler, static_cast<void*>(&Diags));
-
-  // Parse the arguments.
-  AssemblerInvocation Asm;
-  if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags))
-    return 1;
-
-  if (Asm.ShowHelp) {
-    std::unique_ptr<OptTable> Opts(driver::createDriverOptTable());
-    Opts->PrintHelp(llvm::outs(), "clang -cc1as", "Clang Integrated Assembler",
-                    /*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
-                    /*ShowAllAliases=*/false);
-    return 0;
-  }
-
-  // Honor -version.
-  //
-  // FIXME: Use a better -version message?
-  if (Asm.ShowVersion) {
-    llvm::cl::PrintVersionMessage();
-    return 0;
-  }
-
-  // Honor -mllvm.
-  //
-  // FIXME: Remove this, one day.
-  if (!Asm.LLVMArgs.empty()) {
-    unsigned NumArgs = Asm.LLVMArgs.size();
-    auto Args = llvm::make_unique<const char*[]>(NumArgs + 2);
-    Args[0] = "clang (LLVM option parsing)";
-    for (unsigned i = 0; i != NumArgs; ++i)
-      Args[i + 1] = Asm.LLVMArgs[i].c_str();
-    Args[NumArgs + 1] = nullptr;
-    llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
-  }
-
-  // Execute the invocation, unless there were parsing errors.
-  bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags);
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.
-  TimerGroup::printAll(errs());
-
-  return !!Failed;
-}

dbms/programs/clang/Compiler-7.0.0/cc1gen_reproducer_main.cpp

@@ -1,196 +0,0 @@
-//===-- cc1gen_reproducer_main.cpp - Clang reproducer generator  ----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1gen-reproducer functionality, which
-// generates reproducers for invocations for clang-based tools.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/LLVM.h"
-#include "clang/Basic/VirtualFileSystem.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/Driver.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/YAMLTraits.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace clang;
-
-namespace {
-
-struct UnsavedFileHash {
-  std::string Name;
-  std::string MD5;
-};
-
-struct ClangInvocationInfo {
-  std::string Toolchain;
-  std::string LibclangOperation;
-  std::string LibclangOptions;
-  std::vector<std::string> Arguments;
-  std::vector<std::string> InvocationArguments;
-  std::vector<UnsavedFileHash> UnsavedFileHashes;
-  bool Dump = false;
-};
-
-} // end anonymous namespace
-
-LLVM_YAML_IS_SEQUENCE_VECTOR(UnsavedFileHash)
-
-namespace llvm {
-namespace yaml {
-
-template <> struct MappingTraits<UnsavedFileHash> {
-  static void mapping(IO &IO, UnsavedFileHash &Info) {
-    IO.mapRequired("name", Info.Name);
-    IO.mapRequired("md5", Info.MD5);
-  }
-};
-
-template <> struct MappingTraits<ClangInvocationInfo> {
-  static void mapping(IO &IO, ClangInvocationInfo &Info) {
-    IO.mapRequired("toolchain", Info.Toolchain);
-    IO.mapOptional("libclang.operation", Info.LibclangOperation);
-    IO.mapOptional("libclang.opts", Info.LibclangOptions);
-    IO.mapRequired("args", Info.Arguments);
-    IO.mapOptional("invocation-args", Info.InvocationArguments);
-    IO.mapOptional("unsaved_file_hashes", Info.UnsavedFileHashes);
-  }
-};
-
-} // end namespace yaml
-} // end namespace llvm
-
-static std::string generateReproducerMetaInfo(const ClangInvocationInfo &Info) {
-  std::string Result;
-  llvm::raw_string_ostream OS(Result);
-  OS << '{';
-  bool NeedComma = false;
-  auto EmitKey = [&](StringRef Key) {
-    if (NeedComma)
-      OS << ", ";
-    NeedComma = true;
-    OS << '"' << Key << "\": ";
-  };
-  auto EmitStringKey = [&](StringRef Key, StringRef Value) {
-    if (Value.empty())
-      return;
-    EmitKey(Key);
-    OS << '"' << Value << '"';
-  };
-  EmitStringKey("libclang.operation", Info.LibclangOperation);
-  EmitStringKey("libclang.opts", Info.LibclangOptions);
-  if (!Info.InvocationArguments.empty()) {
-    EmitKey("invocation-args");
-    OS << '[';
-    for (const auto &Arg : llvm::enumerate(Info.InvocationArguments)) {
-      if (Arg.index())
-        OS << ',';
-      OS << '"' << Arg.value() << '"';
-    }
-    OS << ']';
-  }
-  OS << '}';
-  // FIXME: Compare unsaved file hashes and report mismatch in the reproducer.
-  if (Info.Dump)
-    llvm::outs() << "REPRODUCER METAINFO: " << OS.str() << "\n";
-  return std::move(OS.str());
-}
-
-/// Generates a reproducer for a set of arguments from a specific invocation.
-static llvm::Optional<driver::Driver::CompilationDiagnosticReport>
-generateReproducerForInvocationArguments(ArrayRef<const char *> Argv,
-                                         const ClangInvocationInfo &Info) {
-  using namespace driver;
-  auto TargetAndMode = ToolChain::getTargetAndModeFromProgramName(Argv[0]);
-
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions;
-
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, new IgnoringDiagConsumer());
-  ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
-  Driver TheDriver(Argv[0], llvm::sys::getDefaultTargetTriple(), Diags);
-  TheDriver.setTargetAndMode(TargetAndMode);
-
-  std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(Argv));
-  if (C && !C->containsError()) {
-    for (const auto &J : C->getJobs()) {
-      if (const Command *Cmd = dyn_cast<Command>(&J)) {
-        Driver::CompilationDiagnosticReport Report;
-        TheDriver.generateCompilationDiagnostics(
-            *C, *Cmd, generateReproducerMetaInfo(Info), &Report);
-        return Report;
-      }
-    }
-  }
-
-  return None;
-}
-
-std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes);
-
-static void printReproducerInformation(
-    llvm::raw_ostream &OS, const ClangInvocationInfo &Info,
-    const driver::Driver::CompilationDiagnosticReport &Report) {
-  OS << "REPRODUCER:\n";
-  OS << "{\n";
-  OS << R"("files":[)";
-  for (const auto &File : llvm::enumerate(Report.TemporaryFiles)) {
-    if (File.index())
-      OS << ',';
-    OS << '"' << File.value() << '"';
-  }
-  OS << "]\n}\n";
-}
-
-int cc1gen_reproducer_main(ArrayRef<const char *> Argv, const char *Argv0,
-                           void *MainAddr) {
-  if (Argv.size() < 1) {
-    llvm::errs() << "error: missing invocation file\n";
-    return 1;
-  }
-  // Parse the invocation descriptor.
-  StringRef Input = Argv[0];
-  llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> Buffer =
-      llvm::MemoryBuffer::getFile(Input);
-  if (!Buffer) {
-    llvm::errs() << "error: failed to read " << Input << ": "
-                 << Buffer.getError().message() << "\n";
-    return 1;
-  }
-  llvm::yaml::Input YAML(Buffer.get()->getBuffer());
-  ClangInvocationInfo InvocationInfo;
-  YAML >> InvocationInfo;
-  if (Argv.size() > 1 && Argv[1] == StringRef("-v"))
-    InvocationInfo.Dump = true;
-
-  // Create an invocation that will produce the reproducer.
-  std::vector<const char *> DriverArgs;
-  for (const auto &Arg : InvocationInfo.Arguments)
-    DriverArgs.push_back(Arg.c_str());
-  std::string Path = GetExecutablePath(Argv0, /*CanonicalPrefixes=*/true);
-  DriverArgs[0] = Path.c_str();
-  llvm::Optional<driver::Driver::CompilationDiagnosticReport> Report =
-      generateReproducerForInvocationArguments(DriverArgs, InvocationInfo);
-
-  // Emit the information about the reproduce files to stdout.
-  int Result = 1;
-  if (Report) {
-    printReproducerInformation(llvm::outs(), InvocationInfo, *Report);
-    Result = 0;
-  }
-
-  // Remove the input file.
-  llvm::sys::fs::remove(Input);
-  return Result;
-}

dbms/programs/clang/Compiler-7.0.0/driver.cpp

@@ -1,514 +0,0 @@
-//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang driver; it is a thin wrapper
-// for functionality in the Driver clang library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Driver/Driver.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Driver/ToolChain.h"
-#include "clang/Frontend/ChainedDiagnosticConsumer.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/SerializedDiagnosticPrinter.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/InitLLVM.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Program.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/StringSaver.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <set>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace llvm::opt;
-
-std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
-  if (!CanonicalPrefixes) {
-    SmallString<128> ExecutablePath(Argv0);
-    // Do a PATH lookup if Argv0 isn't a valid path.
-    if (!llvm::sys::fs::exists(ExecutablePath))
-      if (llvm::ErrorOr<std::string> P =
-              llvm::sys::findProgramByName(ExecutablePath))
-        ExecutablePath = *P;
-    return ExecutablePath.str();
-  }
-
-  // This just needs to be some symbol in the binary; C++ doesn't
-  // allow taking the address of ::main however.
-  void *P = (void*) (intptr_t) GetExecutablePath;
-  return llvm::sys::fs::getMainExecutable(Argv0, P);
-}
-
-static const char *GetStableCStr(std::set<std::string> &SavedStrings,
-                                 StringRef S) {
-  return SavedStrings.insert(S).first->c_str();
-}
-
-/// ApplyQAOverride - Apply a list of edits to the input argument lists.
-///
-/// The input string is a space separate list of edits to perform,
-/// they are applied in order to the input argument lists. Edits
-/// should be one of the following forms:
-///
-///  '#': Silence information about the changes to the command line arguments.
-///
-///  '^': Add FOO as a new argument at the beginning of the command line.
-///
-///  '+': Add FOO as a new argument at the end of the command line.
-///
-///  's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
-///  line.
-///
-///  'xOPTION': Removes all instances of the literal argument OPTION.
-///
-///  'XOPTION': Removes all instances of the literal argument OPTION,
-///  and the following argument.
-///
-///  'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
-///  at the end of the command line.
-///
-/// \param OS - The stream to write edit information to.
-/// \param Args - The vector of command line arguments.
-/// \param Edit - The override command to perform.
-/// \param SavedStrings - Set to use for storing string representations.
-static void ApplyOneQAOverride(raw_ostream &OS,
-                               SmallVectorImpl<const char*> &Args,
-                               StringRef Edit,
-                               std::set<std::string> &SavedStrings) {
-  // This does not need to be efficient.
-
-  if (Edit[0] == '^') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at beginning\n";
-    Args.insert(Args.begin() + 1, Str);
-  } else if (Edit[0] == '+') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at end\n";
-    Args.push_back(Str);
-  } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
-             Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) {
-    StringRef MatchPattern = Edit.substr(2).split('/').first;
-    StringRef ReplPattern = Edit.substr(2).split('/').second;
-    ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);
-
-    for (unsigned i = 1, e = Args.size(); i != e; ++i) {
-      // Ignore end-of-line response file markers
-      if (Args[i] == nullptr)
-        continue;
-      std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);
-
-      if (Repl != Args[i]) {
-        OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
-        Args[i] = GetStableCStr(SavedStrings, Repl);
-      }
-    }
-  } else if (Edit[0] == 'x' || Edit[0] == 'X') {
-    auto Option = Edit.substr(1);
-    for (unsigned i = 1; i < Args.size();) {
-      if (Option == Args[i]) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-        if (Edit[0] == 'X') {
-          if (i < Args.size()) {
-            OS << "### Deleting argument " << Args[i] << '\n';
-            Args.erase(Args.begin() + i);
-          } else
-            OS << "### Invalid X edit, end of command line!\n";
-        }
-      } else
-        ++i;
-    }
-  } else if (Edit[0] == 'O') {
-    for (unsigned i = 1; i < Args.size();) {
-      const char *A = Args[i];
-      // Ignore end-of-line response file markers
-      if (A == nullptr)
-        continue;
-      if (A[0] == '-' && A[1] == 'O' &&
-          (A[2] == '\0' ||
-           (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
-                             ('0' <= A[2] && A[2] <= '9'))))) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-      } else
-        ++i;
-    }
-    OS << "### Adding argument " << Edit << " at end\n";
-    Args.push_back(GetStableCStr(SavedStrings, '-' + Edit.str()));
-  } else {
-    OS << "### Unrecognized edit: " << Edit << "\n";
-  }
-}
-
-/// ApplyQAOverride - Apply a comma separate list of edits to the
-/// input argument lists. See ApplyOneQAOverride.
-static void ApplyQAOverride(SmallVectorImpl<const char*> &Args,
-                            const char *OverrideStr,
-                            std::set<std::string> &SavedStrings) {
-  raw_ostream *OS = &llvm::errs();
-
-  if (OverrideStr[0] == '#') {
-    ++OverrideStr;
-    OS = &llvm::nulls();
-  }
-
-  *OS << "### CCC_OVERRIDE_OPTIONS: " << OverrideStr << "\n";
-
-  // This does not need to be efficient.
-
-  const char *S = OverrideStr;
-  while (*S) {
-    const char *End = ::strchr(S, ' ');
-    if (!End)
-      End = S + strlen(S);
-    if (End != S)
-      ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings);
-    S = End;
-    if (*S != '\0')
-      ++S;
-  }
-}
-
-extern int cc1_main(ArrayRef<const char *> Argv, const char *Argv0,
-                    void *MainAddr);
-extern int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0,
-                      void *MainAddr);
-extern int cc1gen_reproducer_main(ArrayRef<const char *> Argv,
-                                  const char *Argv0, void *MainAddr);
-
-static void insertTargetAndModeArgs(const ParsedClangName &NameParts,
-                                    SmallVectorImpl<const char *> &ArgVector,
-                                    std::set<std::string> &SavedStrings) {
-  // Put target and mode arguments at the start of argument list so that
-  // arguments specified in command line could override them. Avoid putting
-  // them at index 0, as an option like '-cc1' must remain the first.
-  int InsertionPoint = 0;
-  if (ArgVector.size() > 0)
-    ++InsertionPoint;
-
-  if (NameParts.DriverMode) {
-    // Add the mode flag to the arguments.
-    ArgVector.insert(ArgVector.begin() + InsertionPoint,
-                     GetStableCStr(SavedStrings, NameParts.DriverMode));
-  }
-
-  if (NameParts.TargetIsValid) {
-    const char *arr[] = {"-target", GetStableCStr(SavedStrings,
-                                                  NameParts.TargetPrefix)};
-    ArgVector.insert(ArgVector.begin() + InsertionPoint,
-                     std::begin(arr), std::end(arr));
-  }
-}
-
-static void getCLEnvVarOptions(std::string &EnvValue, llvm::StringSaver &Saver,
-                               SmallVectorImpl<const char *> &Opts) {
-  llvm::cl::TokenizeWindowsCommandLine(EnvValue, Saver, Opts);
-  // The first instance of '#' should be replaced with '=' in each option.
-  for (const char *Opt : Opts)
-    if (char *NumberSignPtr = const_cast<char *>(::strchr(Opt, '#')))
-      *NumberSignPtr = '=';
-}
-
-static void SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
-  // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE.
-  TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS");
-  if (TheDriver.CCPrintOptions)
-    TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE");
-
-  // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE.
-  TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS");
-  if (TheDriver.CCPrintHeaders)
-    TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE");
-
-  // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE.
-  TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS");
-  if (TheDriver.CCLogDiagnostics)
-    TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE");
-}
-
-static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
-                                   const std::string &Path) {
-  // If the clang binary happens to be named cl.exe for compatibility reasons,
-  // use clang-cl.exe as the prefix to avoid confusion between clang and MSVC.
-  StringRef ExeBasename(llvm::sys::path::filename(Path));
-  if (ExeBasename.equals_lower("cl.exe"))
-    ExeBasename = "clang-cl.exe";
-  DiagClient->setPrefix(ExeBasename);
-}
-
-// This lets us create the DiagnosticsEngine with a properly-filled-out
-// DiagnosticOptions instance.
-static DiagnosticOptions *
-CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
-  auto *DiagOpts = new DiagnosticOptions;
-  std::unique_ptr<OptTable> Opts(createDriverOptTable());
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args =
-      Opts->ParseArgs(argv.slice(1), MissingArgIndex, MissingArgCount);
-  // We ignore MissingArgCount and the return value of ParseDiagnosticArgs.
-  // Any errors that would be diagnosed here will also be diagnosed later,
-  // when the DiagnosticsEngine actually exists.
-  (void)ParseDiagnosticArgs(*DiagOpts, Args);
-  return DiagOpts;
-}
-
-static void SetInstallDir(SmallVectorImpl<const char *> &argv,
-                          Driver &TheDriver, bool CanonicalPrefixes) {
-  // Attempt to find the original path used to invoke the driver, to determine
-  // the installed path. We do this manually, because we want to support that
-  // path being a symlink.
-  SmallString<128> InstalledPath(argv[0]);
-
-  // Do a PATH lookup, if there are no directory components.
-  if (llvm::sys::path::filename(InstalledPath) == InstalledPath)
-    if (llvm::ErrorOr<std::string> Tmp = llvm::sys::findProgramByName(
-            llvm::sys::path::filename(InstalledPath.str())))
-      InstalledPath = *Tmp;
-
-  // FIXME: We don't actually canonicalize this, we just make it absolute.
-  if (CanonicalPrefixes)
-    llvm::sys::fs::make_absolute(InstalledPath);
-
-  StringRef InstalledPathParent(llvm::sys::path::parent_path(InstalledPath));
-  if (llvm::sys::fs::exists(InstalledPathParent))
-    TheDriver.setInstalledDir(InstalledPathParent);
-}
-
-static int ExecuteCC1Tool(ArrayRef<const char *> argv, StringRef Tool) {
-  void *GetExecutablePathVP = (void *)(intptr_t) GetExecutablePath;
-  if (Tool == "")
-    return cc1_main(argv.slice(2), argv[0], GetExecutablePathVP);
-  if (Tool == "as")
-    return cc1as_main(argv.slice(2), argv[0], GetExecutablePathVP);
-  if (Tool == "gen-reproducer")
-    return cc1gen_reproducer_main(argv.slice(2), argv[0], GetExecutablePathVP);
-
-  // Reject unknown tools.
-  llvm::errs() << "error: unknown integrated tool '" << Tool << "'. "
-               << "Valid tools include '-cc1' and '-cc1as'.\n";
-  return 1;
-}
-
-int mainEntryClickHouseClang(int argc_, /* const */ char **argv_) {
-  llvm::InitLLVM X(argc_, argv_);
-  SmallVector<const char *, 256> argv(argv_, argv_ + argc_);
-
-  if (llvm::sys::Process::FixupStandardFileDescriptors())
-    return 1;
-
-  llvm::InitializeAllTargets();
-  auto TargetAndMode = ToolChain::getTargetAndModeFromProgramName(argv[0]);
-
-  llvm::BumpPtrAllocator A;
-  llvm::StringSaver Saver(A);
-
-  // Parse response files using the GNU syntax, unless we're in CL mode. There
-  // are two ways to put clang in CL compatibility mode: argv[0] is either
-  // clang-cl or cl, or --driver-mode=cl is on the command line. The normal
-  // command line parsing can't happen until after response file parsing, so we
-  // have to manually search for a --driver-mode=cl argument the hard way.
-  // Finally, our -cc1 tools don't care which tokenization mode we use because
-  // response files written by clang will tokenize the same way in either mode.
-  bool ClangCLMode = false;
-  if (StringRef(TargetAndMode.DriverMode).equals("--driver-mode=cl") ||
-      std::find_if(argv.begin(), argv.end(), [](const char *F) {
-        return F && strcmp(F, "--driver-mode=cl") == 0;
-      }) != argv.end()) {
-    ClangCLMode = true;
-  }
-  enum { Default, POSIX, Windows } RSPQuoting = Default;
-  for (const char *F : argv) {
-    if (strcmp(F, "--rsp-quoting=posix") == 0)
-      RSPQuoting = POSIX;
-    else if (strcmp(F, "--rsp-quoting=windows") == 0)
-      RSPQuoting = Windows;
-  }
-
-  // Determines whether we want nullptr markers in argv to indicate response
-  // files end-of-lines. We only use this for the /LINK driver argument with
-  // clang-cl.exe on Windows.
-  bool MarkEOLs = ClangCLMode;
-
-  llvm::cl::TokenizerCallback Tokenizer;
-  if (RSPQuoting == Windows || (RSPQuoting == Default && ClangCLMode))
-    Tokenizer = &llvm::cl::TokenizeWindowsCommandLine;
-  else
-    Tokenizer = &llvm::cl::TokenizeGNUCommandLine;
-
-  if (MarkEOLs && argv.size() > 1 && StringRef(argv[1]).startswith("-cc1"))
-    MarkEOLs = false;
-  llvm::cl::ExpandResponseFiles(Saver, Tokenizer, argv, MarkEOLs);
-
-  // Handle -cc1 integrated tools, even if -cc1 was expanded from a response
-  // file.
-  auto FirstArg = std::find_if(argv.begin() + 1, argv.end(),
-                               [](const char *A) { return A != nullptr; });
-  if (FirstArg != argv.end() && StringRef(*FirstArg).startswith("-cc1")) {
-    // If -cc1 came from a response file, remove the EOL sentinels.
-    if (MarkEOLs) {
-      auto newEnd = std::remove(argv.begin(), argv.end(), nullptr);
-      argv.resize(newEnd - argv.begin());
-    }
-    return ExecuteCC1Tool(argv, argv[1] + 4);
-  }
-
-  bool CanonicalPrefixes = true;
-  for (int i = 1, size = argv.size(); i < size; ++i) {
-    // Skip end-of-line response file markers
-    if (argv[i] == nullptr)
-      continue;
-    if (StringRef(argv[i]) == "-no-canonical-prefixes") {
-      CanonicalPrefixes = false;
-      break;
-    }
-  }
-
-  // Handle CL and _CL_ which permits additional command line options to be
-  // prepended or appended.
-  if (ClangCLMode) {
-    // Arguments in "CL" are prepended.
-    llvm::Optional<std::string> OptCL = llvm::sys::Process::GetEnv("CL");
-    if (OptCL.hasValue()) {
-      SmallVector<const char *, 8> PrependedOpts;
-      getCLEnvVarOptions(OptCL.getValue(), Saver, PrependedOpts);
-
-      // Insert right after the program name to prepend to the argument list.
-      argv.insert(argv.begin() + 1, PrependedOpts.begin(), PrependedOpts.end());
-    }
-    // Arguments in "_CL_" are appended.
-    llvm::Optional<std::string> Opt_CL_ = llvm::sys::Process::GetEnv("_CL_");
-    if (Opt_CL_.hasValue()) {
-      SmallVector<const char *, 8> AppendedOpts;
-      getCLEnvVarOptions(Opt_CL_.getValue(), Saver, AppendedOpts);
-
-      // Insert at the end of the argument list to append.
-      argv.append(AppendedOpts.begin(), AppendedOpts.end());
-    }
-  }
-
-  std::set<std::string> SavedStrings;
-  // Handle CCC_OVERRIDE_OPTIONS, used for editing a command line behind the
-  // scenes.
-  if (const char *OverrideStr = ::getenv("CCC_OVERRIDE_OPTIONS")) {
-    // FIXME: Driver shouldn't take extra initial argument.
-    ApplyQAOverride(argv, OverrideStr, SavedStrings);
-  }
-
-  std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes);
-
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
-      CreateAndPopulateDiagOpts(argv);
-
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
-  FixupDiagPrefixExeName(DiagClient, Path);
-
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  if (!DiagOpts->DiagnosticSerializationFile.empty()) {
-    auto SerializedConsumer =
-        clang::serialized_diags::create(DiagOpts->DiagnosticSerializationFile,
-                                        &*DiagOpts, /*MergeChildRecords=*/true);
-    Diags.setClient(new ChainedDiagnosticConsumer(
-        Diags.takeClient(), std::move(SerializedConsumer)));
-  }
-
-  ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
-
-  Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), Diags);
-  SetInstallDir(argv, TheDriver, CanonicalPrefixes);
-  TheDriver.setTargetAndMode(TargetAndMode);
-
-  insertTargetAndModeArgs(TargetAndMode, argv, SavedStrings);
-
-  SetBackdoorDriverOutputsFromEnvVars(TheDriver);
-
-  std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(argv));
-  int Res = 1;
-  if (C && !C->containsError()) {
-    SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
-    Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
-
-    // Force a crash to test the diagnostics.
-    if (TheDriver.GenReproducer) {
-      Diags.Report(diag::err_drv_force_crash)
-        << !::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH");
-
-      // Pretend that every command failed.
-      FailingCommands.clear();
-      for (const auto &J : C->getJobs())
-        if (const Command *C = dyn_cast<Command>(&J))
-          FailingCommands.push_back(std::make_pair(-1, C));
-    }
-
-    for (const auto &P : FailingCommands) {
-      int CommandRes = P.first;
-      const Command *FailingCommand = P.second;
-      if (!Res)
-        Res = CommandRes;
-
-      // If result status is < 0, then the driver command signalled an error.
-      // If result status is 70, then the driver command reported a fatal error.
-      // On Windows, abort will return an exit code of 3.  In these cases,
-      // generate additional diagnostic information if possible.
-      bool DiagnoseCrash = CommandRes < 0 || CommandRes == 70;
-#ifdef _WIN32
-      DiagnoseCrash |= CommandRes == 3;
-#endif
-      if (DiagnoseCrash) {
-        TheDriver.generateCompilationDiagnostics(*C, *FailingCommand);
-        break;
-      }
-    }
-  }
-
-  Diags.getClient()->finish();
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-#ifdef _WIN32
-  // Exit status should not be negative on Win32, unless abnormal termination.
-  // Once abnormal termiation was caught, negative status should not be
-  // propagated.
-  if (Res < 0)
-    Res = 1;
-#endif
-
-  // If we have multiple failing commands, we return the result of the first
-  // failing command.
-  return Res;
-}

dbms/programs/clang/Compiler-7.0.0/lld.cpp

@@ -1,150 +0,0 @@
-//===- tools/lld/lld.cpp - Linker Driver Dispatcher -----------------------===//
-//
-//                             The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the main function of the lld executable. The main
-// function is a thin wrapper which dispatches to the platform specific
-// driver.
-//
-// lld is a single executable that contains four different linkers for ELF,
-// COFF, WebAssembly and Mach-O. The main function dispatches according to
-// argv[0] (i.e. command name). The most common name for each target is shown
-// below:
-//
-//  - ld.lld:    ELF (Unix)
-//  - ld64:      Mach-O (macOS)
-//  - lld-link:  COFF (Windows)
-//  - ld-wasm:   WebAssembly
-//
-// lld can be invoked as "lld" along with "-flavor" option. This is for
-// backward compatibility and not recommended.
-//
-//===----------------------------------------------------------------------===//
-
-#include "lld/Common/Driver.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/InitLLVM.h"
-#include "llvm/Support/Path.h"
-#include <cstdlib>
-using namespace lld;
-using namespace llvm;
-using namespace llvm::sys;
-
-/*
-
-enum Flavor {
-  Invalid,
-  Gnu,     // -flavor gnu
-  WinLink, // -flavor link
-  Darwin,  // -flavor darwin
-  Wasm,    // -flavor wasm
-};
-
-LLVM_ATTRIBUTE_NORETURN static void die(const Twine &S) {
-  errs() << S << "\n";
-  exit(1);
-}
-
-static Flavor getFlavor(StringRef S) {
-  return StringSwitch<Flavor>(S)
-      .CasesLower("ld", "ld.lld", "gnu", Gnu)
-      .CasesLower("wasm", "ld-wasm", Wasm)
-      .CaseLower("link", WinLink)
-      .CasesLower("ld64", "ld64.lld", "darwin", Darwin)
-      .Default(Invalid);
-}
-
-static bool isPETarget(const std::vector<const char *> &V) {
-  for (auto It = V.begin(); It + 1 != V.end(); ++It) {
-    if (StringRef(*It) != "-m")
-      continue;
-    StringRef S = *(It + 1);
-    return S == "i386pe" || S == "i386pep" || S == "thumb2pe" || S == "arm64pe";
-  }
-  return false;
-}
-
-static Flavor parseProgname(StringRef Progname) {
-#if __APPLE__
-  // Use Darwin driver for "ld" on Darwin.
-  if (Progname == "ld")
-    return Darwin;
-#endif
-
-#if LLVM_ON_UNIX
-  // Use GNU driver for "ld" on other Unix-like system.
-  if (Progname == "ld")
-    return Gnu;
-#endif
-
-  // Progname may be something like "lld-gnu". Parse it.
-  SmallVector<StringRef, 3> V;
-  Progname.split(V, "-");
-  for (StringRef S : V)
-    if (Flavor F = getFlavor(S))
-      return F;
-  return Invalid;
-}
-
-static Flavor parseFlavor(std::vector<const char *> &V) {
-  // Parse -flavor option.
-  if (V.size() > 1 && V[1] == StringRef("-flavor")) {
-    if (V.size() <= 2)
-      die("missing arg value for '-flavor'");
-    Flavor F = getFlavor(V[2]);
-    if (F == Invalid)
-      die("Unknown flavor: " + StringRef(V[2]));
-    V.erase(V.begin() + 1, V.begin() + 3);
-    return F;
-  }
-
-  // Deduct the flavor from argv[0].
-  StringRef Arg0 = path::filename(V[0]);
-  if (Arg0.endswith_lower(".exe"))
-    Arg0 = Arg0.drop_back(4);
-  return parseProgname(Arg0);
-}
-*/
-
-// If this function returns true, lld calls _exit() so that it quickly
-// exits without invoking destructors of globally allocated objects.
-//
-// We don't want to do that if we are running tests though, because
-// doing that breaks leak sanitizer. So, lit sets this environment variable,
-// and we use it to detect whether we are running tests or not.
-static bool canExitEarly() { return StringRef(getenv("LLD_IN_TEST")) != "1"; }
-
-/// Universal linker main(). This linker emulates the gnu, darwin, or
-/// windows linker based on the argv[0] or -flavor option.
-int mainEntryClickHouseLLD(int Argc, /* const */ char **Argv) {
-  InitLLVM X(Argc, Argv);
-
-  std::vector<const char *> Args(Argv, Argv + Argc);
-/*
-  switch (parseFlavor(Args)) {
-  case Gnu:
-    if (isPETarget(Args))
-      return !mingw::link(Args);
-*/
-    return !elf::link(Args, canExitEarly());
-/*
-  case WinLink:
-    return !coff::link(Args, canExitEarly());
-  case Darwin:
-    return !mach_o::link(Args, canExitEarly());
-  case Wasm:
-    return !wasm::link(Args, canExitEarly());
-  default:
-    die("lld is a generic driver.\n"
-        "Invoke ld.lld (Unix), ld64.lld (macOS), lld-link (Windows), wasm-lld"
-        " (WebAssembly) instead");
-  }
-*/
-}

dbms/programs/clang/Compiler-7.0.0bundled/CMakeLists.txt

@@ -1,49 +0,0 @@
-add_definitions(-Wno-error -Wno-unused-parameter -Wno-non-virtual-dtor -U_LIBCPP_DEBUG)
-
-link_directories(${LLVM_LIBRARY_DIRS})
-
-add_library(clickhouse-compiler-lib
-    driver.cpp
-    cc1_main.cpp
-    cc1as_main.cpp
-    lld.cpp)
-
-target_compile_options(clickhouse-compiler-lib PRIVATE -fno-rtti -fno-exceptions -g0)
-
-string(REPLACE "${INCLUDE_DEBUG_HELPERS}" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # cant compile with -fno-rtti
-
-llvm_libs_all(REQUIRED_LLVM_LIBRARIES)
-
-message(STATUS "Using LLVM ${LLVM_VERSION}: ${LLVM_INCLUDE_DIRS} : ${REQUIRED_LLVM_LIBRARIES}")
-
-target_include_directories(clickhouse-compiler-lib SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-
-# This is extracted almost directly from CMakeFiles/.../link.txt in LLVM build directory.
-
-target_link_libraries(clickhouse-compiler-lib PRIVATE
-
-clangBasic clangCodeGen clangDriver
-clangFrontend
-clangFrontendTool
-clangRewriteFrontend clangARCMigrate clangStaticAnalyzerFrontend
-clangParse clangSerialization clangSema clangEdit clangStaticAnalyzerCheckers
-clangASTMatchers clangStaticAnalyzerCore clangAnalysis clangAST clangRewrite clangLex clangBasic
-clangCrossTU clangIndex
-
-lldCOFF
-lldDriver
-lldELF
-lldMinGW
-lldMachO
-lldReaderWriter
-lldYAML
-lldCommon
-lldCore
-
-${REQUIRED_LLVM_LIBRARIES}
-
-PUBLIC ${ZLIB_LIBRARIES} ${EXECINFO_LIBRARIES} Threads::Threads
-${MALLOC_LIBRARIES}
-${GLIBC_COMPATIBILITY_LIBRARIES}
-${MEMCPY_LIBRARIES}
-)

dbms/programs/clang/Compiler-7.0.0bundled/cc1_main.cpp

@@ -1,243 +0,0 @@
-//===-- cc1_main.cpp - Clang CC1 Compiler Frontend ------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1 functionality, which implements the
-// core compiler functionality along with a number of additional tools for
-// demonstration and testing purposes.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Option/Arg.h"
-#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
-#include "clang/Config/config.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticBuffer.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/FrontendTool/Utils.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/Config/llvm-config.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstdio>
-
-#ifdef CLANG_HAVE_RLIMITS
-#include <sys/resource.h>
-#endif
-
-// have no .a version in packages
-#undef LINK_POLLY_INTO_TOOLS
-
-using namespace clang;
-using namespace llvm::opt;
-
-//===----------------------------------------------------------------------===//
-// Main driver
-//===----------------------------------------------------------------------===//
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool GenCrashDiag) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // Run the interrupt handlers to make sure any special cleanups get done, in
-  // particular that we remove files registered with RemoveFileOnSignal.
-  llvm::sys::RunInterruptHandlers();
-
-  // We cannot recover from llvm errors.  When reporting a fatal error, exit
-  // with status 70 to generate crash diagnostics.  For BSD systems this is
-  // defined as an internal software error.  Otherwise, exit with status 1.
-  exit(GenCrashDiag ? 70 : 1);
-}
-
-#ifdef LINK_POLLY_INTO_TOOLS
-namespace polly {
-void initializePollyPasses(llvm::PassRegistry &Registry);
-}
-#endif
-
-#ifdef CLANG_HAVE_RLIMITS
-// The amount of stack we think is "sufficient". If less than this much is
-// available, we may be unable to reach our template instantiation depth
-// limit and other similar limits.
-// FIXME: Unify this with the stack we request when spawning a thread to build
-// a module.
-static const int kSufficientStack = 8 << 20;
-
-#if defined(__linux__) && defined(__PIE__)
-static size_t getCurrentStackAllocation() {
-  // If we can't compute the current stack usage, allow for 512K of command
-  // line arguments and environment.
-  size_t Usage = 512 * 1024;
-  if (FILE *StatFile = fopen("/proc/self/stat", "r")) {
-    // We assume that the stack extends from its current address to the end of
-    // the environment space. In reality, there is another string literal (the
-    // program name) after the environment, but this is close enough (we only
-    // need to be within 100K or so).
-    unsigned long StackPtr, EnvEnd;
-    // Disable silly GCC -Wformat warning that complains about length
-    // modifiers on ignored format specifiers. We want to retain these
-    // for documentation purposes even though they have no effect.
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-#endif
-    if (fscanf(StatFile,
-               "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %*lu "
-               "%*lu %*ld %*ld %*ld %*ld %*ld %*ld %*llu %*lu %*ld %*lu %*lu "
-               "%*lu %*lu %lu %*lu %*lu %*lu %*lu %*lu %*llu %*lu %*lu %*d %*d "
-               "%*u %*u %*llu %*lu %*ld %*lu %*lu %*lu %*lu %*lu %*lu %lu %*d",
-               &StackPtr, &EnvEnd) == 2) {
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic pop
-#endif
-      Usage = StackPtr < EnvEnd ? EnvEnd - StackPtr : StackPtr - EnvEnd;
-    }
-    fclose(StatFile);
-  }
-  return Usage;
-}
-
-#include <alloca.h>
-
-LLVM_ATTRIBUTE_NOINLINE
-static void ensureStackAddressSpace(int ExtraChunks = 0) {
-  // Linux kernels prior to 4.1 will sometimes locate the heap of a PIE binary
-  // relatively close to the stack (they are only guaranteed to be 128MiB
-  // apart). This results in crashes if we happen to heap-allocate more than
-  // 128MiB before we reach our stack high-water mark.
-  //
-  // To avoid these crashes, ensure that we have sufficient virtual memory
-  // pages allocated before we start running.
-  size_t Curr = getCurrentStackAllocation();
-  const int kTargetStack = kSufficientStack - 256 * 1024;
-  if (Curr < kTargetStack) {
-    volatile char *volatile Alloc =
-        static_cast<volatile char *>(alloca(kTargetStack - Curr));
-    Alloc[0] = 0;
-    Alloc[kTargetStack - Curr - 1] = 0;
-  }
-}
-#else
-static void ensureStackAddressSpace() {}
-#endif
-
-/// Attempt to ensure that we have at least 8MiB of usable stack space.
-static void ensureSufficientStack() {
-  struct rlimit rlim;
-  if (getrlimit(RLIMIT_STACK, &rlim) != 0)
-    return;
-
-  // Increase the soft stack limit to our desired level, if necessary and
-  // possible.
-  if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < kSufficientStack) {
-    // Try to allocate sufficient stack.
-    if (rlim.rlim_max == RLIM_INFINITY || rlim.rlim_max >= kSufficientStack)
-      rlim.rlim_cur = kSufficientStack;
-    else if (rlim.rlim_cur == rlim.rlim_max)
-      return;
-    else
-      rlim.rlim_cur = rlim.rlim_max;
-
-    if (setrlimit(RLIMIT_STACK, &rlim) != 0 ||
-        rlim.rlim_cur != kSufficientStack)
-      return;
-  }
-
-  // We should now have a stack of size at least kSufficientStack. Ensure
-  // that we can actually use that much, if necessary.
-  ensureStackAddressSpace();
-}
-#else
-static void ensureSufficientStack() {}
-#endif
-
-int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  ensureSufficientStack();
-
-  std::unique_ptr<CompilerInstance> Clang(new CompilerInstance());
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  // Register the support for object-file-wrapped Clang modules.
-  auto PCHOps = Clang->getPCHContainerOperations();
-  PCHOps->registerWriter(llvm::make_unique<ObjectFilePCHContainerWriter>());
-  PCHOps->registerReader(llvm::make_unique<ObjectFilePCHContainerReader>());
-
-  // Initialize targets first, so that --version shows registered targets.
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmPrinters();
-  llvm::InitializeAllAsmParsers();
-
-#ifdef LINK_POLLY_INTO_TOOLS
-  llvm::PassRegistry &Registry = *llvm::PassRegistry::getPassRegistry();
-  polly::initializePollyPasses(Registry);
-#endif
-
-  // Buffer diagnostics from argument parsing so that we can output them using a
-  // well formed diagnostic object.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagsBuffer);
-  bool Success = CompilerInvocation::CreateFromArgs(
-      Clang->getInvocation(), Argv.begin(), Argv.end(), Diags);
-
-  // Infer the builtin include path if unspecified.
-  if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
-      Clang->getHeaderSearchOpts().ResourceDir.empty())
-    Clang->getHeaderSearchOpts().ResourceDir =
-      CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
-
-  // Create the actual diagnostics engine.
-  Clang->createDiagnostics();
-  if (!Clang->hasDiagnostics())
-    return 1;
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  llvm::install_fatal_error_handler(LLVMErrorHandler,
-                                  static_cast<void*>(&Clang->getDiagnostics()));
-
-  DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
-  if (!Success)
-    return 1;
-
-  // Execute the frontend actions.
-  Success = ExecuteCompilerInvocation(Clang.get());
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-  // Our error handler depends on the Diagnostics object, which we're
-  // potentially about to delete. Uninstall the handler now so that any
-  // later errors use the default handling behavior instead.
-  llvm::remove_fatal_error_handler();
-
-  // When running with -disable-free, don't do any destruction or shutdown.
-  if (Clang->getFrontendOpts().DisableFree) {
-    BuryPointer(std::move(Clang));
-    return !Success;
-  }
-
-  return !Success;
-}

dbms/programs/clang/Compiler-7.0.0bundled/cc1as_main.cpp

@@ -1,555 +0,0 @@
-//===-- cc1as_main.cpp - Clang Assembler  ---------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang -cc1as functionality, which implements
-// the direct interface to the LLVM MC based assembler.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/MC/MCAsmBackend.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCCodeEmitter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace clang::driver::options;
-using namespace llvm;
-using namespace llvm::opt;
-
-
-namespace {
-
-/// \brief Helper class for representing a single invocation of the assembler.
-struct AssemblerInvocation {
-  /// @name Target Options
-  /// @{
-
-  /// The name of the target triple to assemble for.
-  std::string Triple;
-
-  /// If given, the name of the target CPU to determine which instructions
-  /// are legal.
-  std::string CPU;
-
-  /// The list of target specific features to enable or disable -- this should
-  /// be a list of strings starting with '+' or '-'.
-  std::vector<std::string> Features;
-
-  /// The list of symbol definitions.
-  std::vector<std::string> SymbolDefs;
-
-  /// @}
-  /// @name Language Options
-  /// @{
-
-  std::vector<std::string> IncludePaths;
-  unsigned NoInitialTextSection : 1;
-  unsigned SaveTemporaryLabels : 1;
-  unsigned GenDwarfForAssembly : 1;
-  unsigned RelaxELFRelocations : 1;
-  unsigned DwarfVersion;
-  std::string DwarfDebugFlags;
-  std::string DwarfDebugProducer;
-  std::string DebugCompilationDir;
-  llvm::DebugCompressionType CompressDebugSections =
-      llvm::DebugCompressionType::None;
-  std::string MainFileName;
-
-  /// @}
-  /// @name Frontend Options
-  /// @{
-
-  std::string InputFile;
-  std::vector<std::string> LLVMArgs;
-  std::string OutputPath;
-  enum FileType {
-    FT_Asm,  ///< Assembly (.s) output, transliterate mode.
-    FT_Null, ///< No output, for timing purposes.
-    FT_Obj   ///< Object file output.
-  };
-  FileType OutputType;
-  unsigned ShowHelp : 1;
-  unsigned ShowVersion : 1;
-
-  /// @}
-  /// @name Transliterate Options
-  /// @{
-
-  unsigned OutputAsmVariant;
-  unsigned ShowEncoding : 1;
-  unsigned ShowInst : 1;
-
-  /// @}
-  /// @name Assembler Options
-  /// @{
-
-  unsigned RelaxAll : 1;
-  unsigned NoExecStack : 1;
-  unsigned FatalWarnings : 1;
-  unsigned IncrementalLinkerCompatible : 1;
-
-  /// The name of the relocation model to use.
-  std::string RelocationModel;
-
-  /// @}
-
-public:
-  AssemblerInvocation() {
-    Triple = "";
-    NoInitialTextSection = 0;
-    InputFile = "-";
-    OutputPath = "-";
-    OutputType = FT_Asm;
-    OutputAsmVariant = 0;
-    ShowInst = 0;
-    ShowEncoding = 0;
-    RelaxAll = 0;
-    NoExecStack = 0;
-    FatalWarnings = 0;
-    IncrementalLinkerCompatible = 0;
-    DwarfVersion = 0;
-  }
-
-  static bool CreateFromArgs(AssemblerInvocation &Res,
-                             ArrayRef<const char *> Argv,
-                             DiagnosticsEngine &Diags);
-};
-
-}
-
-bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
-                                         ArrayRef<const char *> Argv,
-                                         DiagnosticsEngine &Diags) {
-  bool Success = true;
-
-  // Parse the arguments.
-  std::unique_ptr<OptTable> OptTbl(createDriverOptTable());
-
-  const unsigned IncludedFlagsBitmask = options::CC1AsOption;
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args = OptTbl->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
-                                        IncludedFlagsBitmask);
-
-  // Check for missing argument error.
-  if (MissingArgCount) {
-    Diags.Report(diag::err_drv_missing_argument)
-        << Args.getArgString(MissingArgIndex) << MissingArgCount;
-    Success = false;
-  }
-
-  // Issue errors on unknown arguments.
-  for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
-    auto ArgString = A->getAsString(Args);
-    std::string Nearest;
-    if (OptTbl->findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
-      Diags.Report(diag::err_drv_unknown_argument) << ArgString;
-    else
-      Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
-          << ArgString << Nearest;
-    Success = false;
-  }
-
-  // Construct the invocation.
-
-  // Target Options
-  Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
-  Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
-  Opts.Features = Args.getAllArgValues(OPT_target_feature);
-
-  // Use the default target triple if unspecified.
-  if (Opts.Triple.empty())
-    Opts.Triple = llvm::sys::getDefaultTargetTriple();
-
-  // Language Options
-  Opts.IncludePaths = Args.getAllArgValues(OPT_I);
-  Opts.NoInitialTextSection = Args.hasArg(OPT_n);
-  Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
-  // Any DebugInfoKind implies GenDwarfForAssembly.
-  Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
-
-  if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
-                                     OPT_compress_debug_sections_EQ)) {
-    if (A->getOption().getID() == OPT_compress_debug_sections) {
-      // TODO: be more clever about the compression type auto-detection
-      Opts.CompressDebugSections = llvm::DebugCompressionType::GNU;
-    } else {
-      Opts.CompressDebugSections =
-          llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
-              .Case("none", llvm::DebugCompressionType::None)
-              .Case("zlib", llvm::DebugCompressionType::Z)
-              .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
-              .Default(llvm::DebugCompressionType::None);
-    }
-  }
-
-  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
-  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
-  Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
-  Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
-  Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
-  Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
-
-  // Frontend Options
-  if (Args.hasArg(OPT_INPUT)) {
-    bool First = true;
-    for (const Arg *A : Args.filtered(OPT_INPUT)) {
-      if (First) {
-        Opts.InputFile = A->getValue();
-        First = false;
-      } else {
-        Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
-        Success = false;
-      }
-    }
-  }
-  Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
-  Opts.OutputPath = Args.getLastArgValue(OPT_o);
-  if (Arg *A = Args.getLastArg(OPT_filetype)) {
-    StringRef Name = A->getValue();
-    unsigned OutputType = StringSwitch<unsigned>(Name)
-      .Case("asm", FT_Asm)
-      .Case("null", FT_Null)
-      .Case("obj", FT_Obj)
-      .Default(~0U);
-    if (OutputType == ~0U) {
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
-      Success = false;
-    } else
-      Opts.OutputType = FileType(OutputType);
-  }
-  Opts.ShowHelp = Args.hasArg(OPT_help);
-  Opts.ShowVersion = Args.hasArg(OPT_version);
-
-  // Transliterate Options
-  Opts.OutputAsmVariant =
-      getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
-  Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
-  Opts.ShowInst = Args.hasArg(OPT_show_inst);
-
-  // Assemble Options
-  Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
-  Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
-  Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
-  Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
-  Opts.IncrementalLinkerCompatible =
-      Args.hasArg(OPT_mincremental_linker_compatible);
-  Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
-
-  return Success;
-}
-
-static std::unique_ptr<raw_fd_ostream>
-getOutputStream(AssemblerInvocation &Opts, DiagnosticsEngine &Diags,
-                bool Binary) {
-  if (Opts.OutputPath.empty())
-    Opts.OutputPath = "-";
-
-  // Make sure that the Out file gets unlinked from the disk if we get a
-  // SIGINT.
-  if (Opts.OutputPath != "-")
-    sys::RemoveFileOnSignal(Opts.OutputPath);
-
-  std::error_code EC;
-  auto Out = llvm::make_unique<raw_fd_ostream>(
-      Opts.OutputPath, EC, (Binary ? sys::fs::F_None : sys::fs::F_Text));
-  if (EC) {
-    Diags.Report(diag::err_fe_unable_to_open_output) << Opts.OutputPath
-                                                     << EC.message();
-    return nullptr;
-  }
-
-  return Out;
-}
-
-static bool ExecuteAssembler(AssemblerInvocation &Opts,
-                             DiagnosticsEngine &Diags) {
-  // Get the target specific parser.
-  std::string Error;
-  const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
-  if (!TheTarget)
-    return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
-      MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
-
-  if (std::error_code EC = Buffer.getError()) {
-    Error = EC.message();
-    return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
-  }
-
-  SourceMgr SrcMgr;
-
-  // Tell SrcMgr about this buffer, which is what the parser will pick up.
-  SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
-
-  // Record the location of the include directories so that the lexer can find
-  // it later.
-  SrcMgr.setIncludeDirs(Opts.IncludePaths);
-
-  std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
-  assert(MRI && "Unable to create target register info!");
-
-  std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, Opts.Triple));
-  assert(MAI && "Unable to create target asm info!");
-
-  // Ensure MCAsmInfo initialization occurs before any use, otherwise sections
-  // may be created with a combination of default and explicit settings.
-  MAI->setCompressDebugSections(Opts.CompressDebugSections);
-
-  MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
-
-  bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
-  std::unique_ptr<raw_fd_ostream> FDOS = getOutputStream(Opts, Diags, IsBinary);
-  if (!FDOS)
-    return true;
-
-  // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
-  // MCObjectFileInfo needs a MCContext reference in order to initialize itself.
-  std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
-
-  MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
-
-  bool PIC = false;
-  if (Opts.RelocationModel == "static") {
-    PIC = false;
-  } else if (Opts.RelocationModel == "pic") {
-    PIC = true;
-  } else {
-    assert(Opts.RelocationModel == "dynamic-no-pic" &&
-           "Invalid PIC model!");
-    PIC = false;
-  }
-
-  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, Ctx);
-  if (Opts.SaveTemporaryLabels)
-    Ctx.setAllowTemporaryLabels(false);
-  if (Opts.GenDwarfForAssembly)
-    Ctx.setGenDwarfForAssembly(true);
-  if (!Opts.DwarfDebugFlags.empty())
-    Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
-  if (!Opts.DwarfDebugProducer.empty())
-    Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
-  if (!Opts.DebugCompilationDir.empty())
-    Ctx.setCompilationDir(Opts.DebugCompilationDir);
-  if (!Opts.MainFileName.empty())
-    Ctx.setMainFileName(StringRef(Opts.MainFileName));
-  Ctx.setDwarfVersion(Opts.DwarfVersion);
-
-  // Build up the feature string from the target feature list.
-  std::string FS;
-  if (!Opts.Features.empty()) {
-    FS = Opts.Features[0];
-    for (unsigned i = 1, e = Opts.Features.size(); i != e; ++i)
-      FS += "," + Opts.Features[i];
-  }
-
-  std::unique_ptr<MCStreamer> Str;
-
-  std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
-  std::unique_ptr<MCSubtargetInfo> STI(
-      TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
-
-  raw_pwrite_stream *Out = FDOS.get();
-  std::unique_ptr<buffer_ostream> BOS;
-
-  // FIXME: There is a bit of code duplication with addPassesToEmitFile.
-  if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
-    MCInstPrinter *IP = TheTarget->createMCInstPrinter(
-        llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
-
-    std::unique_ptr<MCCodeEmitter> CE;
-    if (Opts.ShowEncoding)
-      CE.reset(TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
-    MCTargetOptions MCOptions;
-    std::unique_ptr<MCAsmBackend> MAB(
-        TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
-
-    auto FOut = llvm::make_unique<formatted_raw_ostream>(*Out);
-    Str.reset(TheTarget->createAsmStreamer(
-        Ctx, std::move(FOut), /*asmverbose*/ true,
-        /*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
-        Opts.ShowInst));
-  } else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
-    Str.reset(createNullStreamer(Ctx));
-  } else {
-    assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
-           "Invalid file type!");
-    if (!FDOS->supportsSeeking()) {
-      BOS = make_unique<buffer_ostream>(*FDOS);
-      Out = BOS.get();
-    }
-
-    std::unique_ptr<MCCodeEmitter> CE(
-        TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
-    MCTargetOptions MCOptions;
-    std::unique_ptr<MCAsmBackend> MAB(
-        TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
-
-    Triple T(Opts.Triple);
-    Str.reset(TheTarget->createMCObjectStreamer(
-        T, Ctx, std::move(MAB), *Out, std::move(CE), *STI, Opts.RelaxAll,
-        Opts.IncrementalLinkerCompatible,
-        /*DWARFMustBeAtTheEnd*/ true));
-    Str.get()->InitSections(Opts.NoExecStack);
-  }
-
-  // Assembly to object compilation should leverage assembly info.
-  Str->setUseAssemblerInfoForParsing(true);
-
-  bool Failed = false;
-
-  std::unique_ptr<MCAsmParser> Parser(
-      createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
-
-  // FIXME: init MCTargetOptions from sanitizer flags here.
-  MCTargetOptions Options;
-  std::unique_ptr<MCTargetAsmParser> TAP(
-      TheTarget->createMCAsmParser(*STI, *Parser, *MCII, Options));
-  if (!TAP)
-    Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-
-  // Set values for symbols, if any.
-  for (auto &S : Opts.SymbolDefs) {
-    auto Pair = StringRef(S).split('=');
-    auto Sym = Pair.first;
-    auto Val = Pair.second;
-    int64_t Value;
-    // We have already error checked this in the driver.
-    Val.getAsInteger(0, Value);
-    Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
-  }
-
-  if (!Failed) {
-    Parser->setTargetParser(*TAP.get());
-    Failed = Parser->Run(Opts.NoInitialTextSection);
-  }
-
-  // Close Streamer first.
-  // It might have a reference to the output stream.
-  Str.reset();
-  // Close the output stream early.
-  BOS.reset();
-  FDOS.reset();
-
-  // Delete output file if there were errors.
-  if (Failed && Opts.OutputPath != "-")
-    sys::fs::remove(Opts.OutputPath);
-
-  return Failed;
-}
-
-static void LLVMErrorHandler(void *UserData, const std::string &Message,
-                             bool /*GenCrashDiag*/) {
-  DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
-
-  Diags.Report(diag::err_fe_error_backend) << Message;
-
-  // We cannot recover from llvm errors.
-  exit(1);
-}
-
-int cc1as_main(ArrayRef<const char *> Argv, const char */*Argv0*/, void */*MainAddr*/) {
-  // Initialize targets and assembly printers/parsers.
-  InitializeAllTargetInfos();
-  InitializeAllTargetMCs();
-  InitializeAllAsmParsers();
-
-  // Construct our diagnostic client.
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(errs(), &*DiagOpts);
-  DiagClient->setPrefix("clang -cc1as");
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  // Set an error handler, so that any LLVM backend diagnostics go through our
-  // error handler.
-  ScopedFatalErrorHandler FatalErrorHandler
-    (LLVMErrorHandler, static_cast<void*>(&Diags));
-
-  // Parse the arguments.
-  AssemblerInvocation Asm;
-  if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags))
-    return 1;
-
-  if (Asm.ShowHelp) {
-    std::unique_ptr<OptTable> Opts(driver::createDriverOptTable());
-    Opts->PrintHelp(llvm::outs(), "clang -cc1as", "Clang Integrated Assembler",
-                    /*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
-                    /*ShowAllAliases=*/false);
-    return 0;
-  }
-
-  // Honor -version.
-  //
-  // FIXME: Use a better -version message?
-  if (Asm.ShowVersion) {
-    llvm::cl::PrintVersionMessage();
-    return 0;
-  }
-
-  // Honor -mllvm.
-  //
-  // FIXME: Remove this, one day.
-  if (!Asm.LLVMArgs.empty()) {
-    unsigned NumArgs = Asm.LLVMArgs.size();
-    auto Args = llvm::make_unique<const char*[]>(NumArgs + 2);
-    Args[0] = "clang (LLVM option parsing)";
-    for (unsigned i = 0; i != NumArgs; ++i)
-      Args[i + 1] = Asm.LLVMArgs[i].c_str();
-    Args[NumArgs + 1] = nullptr;
-    llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
-  }
-
-  // Execute the invocation, unless there were parsing errors.
-  bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags);
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.
-  TimerGroup::printAll(errs());
-
-  return !!Failed;
-}

dbms/programs/clang/Compiler-7.0.0bundled/driver.cpp

@@ -1,512 +0,0 @@
-//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is the entry point to the clang driver; it is a thin wrapper
-// for functionality in the Driver clang library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Driver/Driver.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Driver/ToolChain.h"
-#include "clang/Frontend/ChainedDiagnosticConsumer.h"
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Frontend/SerializedDiagnosticPrinter.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Frontend/Utils.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/InitLLVM.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Program.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/StringSaver.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <set>
-#include <system_error>
-using namespace clang;
-using namespace clang::driver;
-using namespace llvm::opt;
-
-std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
-  if (!CanonicalPrefixes) {
-    SmallString<128> ExecutablePath(Argv0);
-    // Do a PATH lookup if Argv0 isn't a valid path.
-    if (!llvm::sys::fs::exists(ExecutablePath))
-      if (llvm::ErrorOr<std::string> P =
-              llvm::sys::findProgramByName(ExecutablePath))
-        ExecutablePath = *P;
-    return ExecutablePath.str();
-  }
-
-  // This just needs to be some symbol in the binary; C++ doesn't
-  // allow taking the address of ::main however.
-  void *P = (void*) (intptr_t) GetExecutablePath;
-  return llvm::sys::fs::getMainExecutable(Argv0, P);
-}
-
-static const char *GetStableCStr(std::set<std::string> &SavedStrings,
-                                 StringRef S) {
-  return SavedStrings.insert(S).first->c_str();
-}
-
-/// ApplyQAOverride - Apply a list of edits to the input argument lists.
-///
-/// The input string is a space separate list of edits to perform,
-/// they are applied in order to the input argument lists. Edits
-/// should be one of the following forms:
-///
-///  '#': Silence information about the changes to the command line arguments.
-///
-///  '^': Add FOO as a new argument at the beginning of the command line.
-///
-///  '+': Add FOO as a new argument at the end of the command line.
-///
-///  's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
-///  line.
-///
-///  'xOPTION': Removes all instances of the literal argument OPTION.
-///
-///  'XOPTION': Removes all instances of the literal argument OPTION,
-///  and the following argument.
-///
-///  'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
-///  at the end of the command line.
-///
-/// \param OS - The stream to write edit information to.
-/// \param Args - The vector of command line arguments.
-/// \param Edit - The override command to perform.
-/// \param SavedStrings - Set to use for storing string representations.
-static void ApplyOneQAOverride(raw_ostream &OS,
-                               SmallVectorImpl<const char*> &Args,
-                               StringRef Edit,
-                               std::set<std::string> &SavedStrings) {
-  // This does not need to be efficient.
-
-  if (Edit[0] == '^') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at beginning\n";
-    Args.insert(Args.begin() + 1, Str);
-  } else if (Edit[0] == '+') {
-    const char *Str =
-      GetStableCStr(SavedStrings, Edit.substr(1));
-    OS << "### Adding argument " << Str << " at end\n";
-    Args.push_back(Str);
-  } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
-             Edit.slice(2, Edit.size()-1).find('/') != StringRef::npos) {
-    StringRef MatchPattern = Edit.substr(2).split('/').first;
-    StringRef ReplPattern = Edit.substr(2).split('/').second;
-    ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);
-
-    for (unsigned i = 1, e = Args.size(); i != e; ++i) {
-      // Ignore end-of-line response file markers
-      if (Args[i] == nullptr)
-        continue;
-      std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);
-
-      if (Repl != Args[i]) {
-        OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
-        Args[i] = GetStableCStr(SavedStrings, Repl);
-      }
-    }
-  } else if (Edit[0] == 'x' || Edit[0] == 'X') {
-    auto Option = Edit.substr(1);
-    for (unsigned i = 1; i < Args.size();) {
-      if (Option == Args[i]) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-        if (Edit[0] == 'X') {
-          if (i < Args.size()) {
-            OS << "### Deleting argument " << Args[i] << '\n';
-            Args.erase(Args.begin() + i);
-          } else
-            OS << "### Invalid X edit, end of command line!\n";
-        }
-      } else
-        ++i;
-    }
-  } else if (Edit[0] == 'O') {
-    for (unsigned i = 1; i < Args.size();) {
-      const char *A = Args[i];
-      // Ignore end-of-line response file markers
-      if (A == nullptr)
-        continue;
-      if (A[0] == '-' && A[1] == 'O' &&
-          (A[2] == '\0' ||
-           (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
-                             ('0' <= A[2] && A[2] <= '9'))))) {
-        OS << "### Deleting argument " << Args[i] << '\n';
-        Args.erase(Args.begin() + i);
-      } else
-        ++i;
-    }
-    OS << "### Adding argument " << Edit << " at end\n";
-    Args.push_back(GetStableCStr(SavedStrings, '-' + Edit.str()));
-  } else {
-    OS << "### Unrecognized edit: " << Edit << "\n";
-  }
-}
-
-/// ApplyQAOverride - Apply a comma separate list of edits to the
-/// input argument lists. See ApplyOneQAOverride.
-static void ApplyQAOverride(SmallVectorImpl<const char*> &Args,
-                            const char *OverrideStr,
-                            std::set<std::string> &SavedStrings) {
-  raw_ostream *OS = &llvm::errs();
-
-  if (OverrideStr[0] == '#') {
-    ++OverrideStr;
-    OS = &llvm::nulls();
-  }
-
-  *OS << "### CCC_OVERRIDE_OPTIONS: " << OverrideStr << "\n";
-
-  // This does not need to be efficient.
-
-  const char *S = OverrideStr;
-  while (*S) {
-    const char *End = ::strchr(S, ' ');
-    if (!End)
-      End = S + strlen(S);
-    if (End != S)
-      ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings);
-    S = End;
-    if (*S != '\0')
-      ++S;
-  }
-}
-
-extern int cc1_main(ArrayRef<const char *> Argv, const char *Argv0,
-                    void *MainAddr);
-extern int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0,
-                      void *MainAddr);
-extern int cc1gen_reproducer_main(ArrayRef<const char *> Argv,
-                                  const char *Argv0, void *MainAddr);
-
-static void insertTargetAndModeArgs(const ParsedClangName &NameParts,
-                                    SmallVectorImpl<const char *> &ArgVector,
-                                    std::set<std::string> &SavedStrings) {
-  // Put target and mode arguments at the start of argument list so that
-  // arguments specified in command line could override them. Avoid putting
-  // them at index 0, as an option like '-cc1' must remain the first.
-  int InsertionPoint = 0;
-  if (ArgVector.size() > 0)
-    ++InsertionPoint;
-
-  if (NameParts.DriverMode) {
-    // Add the mode flag to the arguments.
-    ArgVector.insert(ArgVector.begin() + InsertionPoint,
-                     GetStableCStr(SavedStrings, NameParts.DriverMode));
-  }
-
-  if (NameParts.TargetIsValid) {
-    const char *arr[] = {"-target", GetStableCStr(SavedStrings,
-                                                  NameParts.TargetPrefix)};
-    ArgVector.insert(ArgVector.begin() + InsertionPoint,
-                     std::begin(arr), std::end(arr));
-  }
-}
-
-static void getCLEnvVarOptions(std::string &EnvValue, llvm::StringSaver &Saver,
-                               SmallVectorImpl<const char *> &Opts) {
-  llvm::cl::TokenizeWindowsCommandLine(EnvValue, Saver, Opts);
-  // The first instance of '#' should be replaced with '=' in each option.
-  for (const char *Opt : Opts)
-    if (char *NumberSignPtr = const_cast<char *>(::strchr(Opt, '#')))
-      *NumberSignPtr = '=';
-}
-
-static void SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
-  // Handle CC_PRINT_OPTIONS and CC_PRINT_OPTIONS_FILE.
-  TheDriver.CCPrintOptions = !!::getenv("CC_PRINT_OPTIONS");
-  if (TheDriver.CCPrintOptions)
-    TheDriver.CCPrintOptionsFilename = ::getenv("CC_PRINT_OPTIONS_FILE");
-
-  // Handle CC_PRINT_HEADERS and CC_PRINT_HEADERS_FILE.
-  TheDriver.CCPrintHeaders = !!::getenv("CC_PRINT_HEADERS");
-  if (TheDriver.CCPrintHeaders)
-    TheDriver.CCPrintHeadersFilename = ::getenv("CC_PRINT_HEADERS_FILE");
-
-  // Handle CC_LOG_DIAGNOSTICS and CC_LOG_DIAGNOSTICS_FILE.
-  TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS");
-  if (TheDriver.CCLogDiagnostics)
-    TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE");
-}
-
-static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
-                                   const std::string &Path) {
-  // If the clang binary happens to be named cl.exe for compatibility reasons,
-  // use clang-cl.exe as the prefix to avoid confusion between clang and MSVC.
-  StringRef ExeBasename(llvm::sys::path::filename(Path));
-  if (ExeBasename.equals_lower("cl.exe"))
-    ExeBasename = "clang-cl.exe";
-  DiagClient->setPrefix(ExeBasename);
-}
-
-// This lets us create the DiagnosticsEngine with a properly-filled-out
-// DiagnosticOptions instance.
-static DiagnosticOptions *
-CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
-  auto *DiagOpts = new DiagnosticOptions;
-  std::unique_ptr<OptTable> Opts(createDriverOptTable());
-  unsigned MissingArgIndex, MissingArgCount;
-  InputArgList Args =
-      Opts->ParseArgs(argv.slice(1), MissingArgIndex, MissingArgCount);
-  // We ignore MissingArgCount and the return value of ParseDiagnosticArgs.
-  // Any errors that would be diagnosed here will also be diagnosed later,
-  // when the DiagnosticsEngine actually exists.
-  (void)ParseDiagnosticArgs(*DiagOpts, Args);
-  return DiagOpts;
-}
-
-static void SetInstallDir(SmallVectorImpl<const char *> &argv,
-                          Driver &TheDriver, bool CanonicalPrefixes) {
-  // Attempt to find the original path used to invoke the driver, to determine
-  // the installed path. We do this manually, because we want to support that
-  // path being a symlink.
-  SmallString<128> InstalledPath(argv[0]);
-
-  // Do a PATH lookup, if there are no directory components.
-  if (llvm::sys::path::filename(InstalledPath) == InstalledPath)
-    if (llvm::ErrorOr<std::string> Tmp = llvm::sys::findProgramByName(
-            llvm::sys::path::filename(InstalledPath.str())))
-      InstalledPath = *Tmp;
-
-  // FIXME: We don't actually canonicalize this, we just make it absolute.
-  if (CanonicalPrefixes)
-    llvm::sys::fs::make_absolute(InstalledPath);
-
-  StringRef InstalledPathParent(llvm::sys::path::parent_path(InstalledPath));
-  if (llvm::sys::fs::exists(InstalledPathParent))
-    TheDriver.setInstalledDir(InstalledPathParent);
-}
-
-static int ExecuteCC1Tool(ArrayRef<const char *> argv, StringRef Tool) {
-  void *GetExecutablePathVP = (void *)(intptr_t) GetExecutablePath;
-  if (Tool == "")
-    return cc1_main(argv.slice(2), argv[0], GetExecutablePathVP);
-  if (Tool == "as")
-    return cc1as_main(argv.slice(2), argv[0], GetExecutablePathVP);
-
-  // Reject unknown tools.
-  llvm::errs() << "error: unknown integrated tool '" << Tool << "'. "
-               << "Valid tools include '-cc1' and '-cc1as'.\n";
-  return 1;
-}
-
-int mainEntryClickHouseClang(int argc_, char **argv_) {
-  llvm::InitLLVM X(argc_, argv_);
-  SmallVector<const char *, 256> argv(argv_, argv_ + argc_);
-
-  if (llvm::sys::Process::FixupStandardFileDescriptors())
-    return 1;
-
-  llvm::InitializeAllTargets();
-  auto TargetAndMode = ToolChain::getTargetAndModeFromProgramName(argv[0]);
-
-  llvm::BumpPtrAllocator A;
-  llvm::StringSaver Saver(A);
-
-  // Parse response files using the GNU syntax, unless we're in CL mode. There
-  // are two ways to put clang in CL compatibility mode: argv[0] is either
-  // clang-cl or cl, or --driver-mode=cl is on the command line. The normal
-  // command line parsing can't happen until after response file parsing, so we
-  // have to manually search for a --driver-mode=cl argument the hard way.
-  // Finally, our -cc1 tools don't care which tokenization mode we use because
-  // response files written by clang will tokenize the same way in either mode.
-  bool ClangCLMode = false;
-  if (StringRef(TargetAndMode.DriverMode).equals("--driver-mode=cl") ||
-      std::find_if(argv.begin(), argv.end(), [](const char *F) {
-        return F && strcmp(F, "--driver-mode=cl") == 0;
-      }) != argv.end()) {
-    ClangCLMode = true;
-  }
-  enum { Default, POSIX, Windows } RSPQuoting = Default;
-  for (const char *F : argv) {
-    if (strcmp(F, "--rsp-quoting=posix") == 0)
-      RSPQuoting = POSIX;
-    else if (strcmp(F, "--rsp-quoting=windows") == 0)
-      RSPQuoting = Windows;
-  }
-
-  // Determines whether we want nullptr markers in argv to indicate response
-  // files end-of-lines. We only use this for the /LINK driver argument with
-  // clang-cl.exe on Windows.
-  bool MarkEOLs = ClangCLMode;
-
-  llvm::cl::TokenizerCallback Tokenizer;
-  if (RSPQuoting == Windows || (RSPQuoting == Default && ClangCLMode))
-    Tokenizer = &llvm::cl::TokenizeWindowsCommandLine;
-  else
-    Tokenizer = &llvm::cl::TokenizeGNUCommandLine;
-
-  if (MarkEOLs && argv.size() > 1 && StringRef(argv[1]).startswith("-cc1"))
-    MarkEOLs = false;
-  llvm::cl::ExpandResponseFiles(Saver, Tokenizer, argv, MarkEOLs);
-
-  // Handle -cc1 integrated tools, even if -cc1 was expanded from a response
-  // file.
-  auto FirstArg = std::find_if(argv.begin() + 1, argv.end(),
-                               [](const char *A) { return A != nullptr; });
-  if (FirstArg != argv.end() && StringRef(*FirstArg).startswith("-cc1")) {
-    // If -cc1 came from a response file, remove the EOL sentinels.
-    if (MarkEOLs) {
-      auto newEnd = std::remove(argv.begin(), argv.end(), nullptr);
-      argv.resize(newEnd - argv.begin());
-    }
-    return ExecuteCC1Tool(argv, argv[1] + 4);
-  }
-
-  bool CanonicalPrefixes = true;
-  for (int i = 1, size = argv.size(); i < size; ++i) {
-    // Skip end-of-line response file markers
-    if (argv[i] == nullptr)
-      continue;
-    if (StringRef(argv[i]) == "-no-canonical-prefixes") {
-      CanonicalPrefixes = false;
-      break;
-    }
-  }
-
-  // Handle CL and _CL_ which permits additional command line options to be
-  // prepended or appended.
-  if (ClangCLMode) {
-    // Arguments in "CL" are prepended.
-    llvm::Optional<std::string> OptCL = llvm::sys::Process::GetEnv("CL");
-    if (OptCL.hasValue()) {
-      SmallVector<const char *, 8> PrependedOpts;
-      getCLEnvVarOptions(OptCL.getValue(), Saver, PrependedOpts);
-
-      // Insert right after the program name to prepend to the argument list.
-      argv.insert(argv.begin() + 1, PrependedOpts.begin(), PrependedOpts.end());
-    }
-    // Arguments in "_CL_" are appended.
-    llvm::Optional<std::string> Opt_CL_ = llvm::sys::Process::GetEnv("_CL_");
-    if (Opt_CL_.hasValue()) {
-      SmallVector<const char *, 8> AppendedOpts;
-      getCLEnvVarOptions(Opt_CL_.getValue(), Saver, AppendedOpts);
-
-      // Insert at the end of the argument list to append.
-      argv.append(AppendedOpts.begin(), AppendedOpts.end());
-    }
-  }
-
-  std::set<std::string> SavedStrings;
-  // Handle CCC_OVERRIDE_OPTIONS, used for editing a command line behind the
-  // scenes.
-  if (const char *OverrideStr = ::getenv("CCC_OVERRIDE_OPTIONS")) {
-    // FIXME: Driver shouldn't take extra initial argument.
-    ApplyQAOverride(argv, OverrideStr, SavedStrings);
-  }
-
-  std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes);
-
-  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
-      CreateAndPopulateDiagOpts(argv);
-
-  TextDiagnosticPrinter *DiagClient
-    = new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
-  FixupDiagPrefixExeName(DiagClient, Path);
-
-  IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
-
-  DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
-
-  if (!DiagOpts->DiagnosticSerializationFile.empty()) {
-    auto SerializedConsumer =
-        clang::serialized_diags::create(DiagOpts->DiagnosticSerializationFile,
-                                        &*DiagOpts, /*MergeChildRecords=*/true);
-    Diags.setClient(new ChainedDiagnosticConsumer(
-        Diags.takeClient(), std::move(SerializedConsumer)));
-  }
-
-  ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
-
-  Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), Diags);
-  SetInstallDir(argv, TheDriver, CanonicalPrefixes);
-  TheDriver.setTargetAndMode(TargetAndMode);
-
-  insertTargetAndModeArgs(TargetAndMode, argv, SavedStrings);
-
-  SetBackdoorDriverOutputsFromEnvVars(TheDriver);
-
-  std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(argv));
-  int Res = 1;
-  if (C && !C->containsError()) {
-    SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
-    Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
-
-    // Force a crash to test the diagnostics.
-    if (TheDriver.GenReproducer) {
-      Diags.Report(diag::err_drv_force_crash)
-        << !::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH");
-
-      // Pretend that every command failed.
-      FailingCommands.clear();
-      for (const auto &J : C->getJobs())
-        if (const Command *C = dyn_cast<Command>(&J))
-          FailingCommands.push_back(std::make_pair(-1, C));
-    }
-
-    for (const auto &P : FailingCommands) {
-      int CommandRes = P.first;
-      const Command *FailingCommand = P.second;
-      if (!Res)
-        Res = CommandRes;
-
-      // If result status is < 0, then the driver command signalled an error.
-      // If result status is 70, then the driver command reported a fatal error.
-      // On Windows, abort will return an exit code of 3.  In these cases,
-      // generate additional diagnostic information if possible.
-      bool DiagnoseCrash = CommandRes < 0 || CommandRes == 70;
-#ifdef _WIN32
-      DiagnoseCrash |= CommandRes == 3;
-#endif
-      if (DiagnoseCrash) {
-        TheDriver.generateCompilationDiagnostics(*C, *FailingCommand);
-        break;
-      }
-    }
-  }
-
-  Diags.getClient()->finish();
-
-  // If any timers were active but haven't been destroyed yet, print their
-  // results now.  This happens in -disable-free mode.
-  llvm::TimerGroup::printAll(llvm::errs());
-
-#ifdef _WIN32
-  // Exit status should not be negative on Win32, unless abnormal termination.
-  // Once abnormal termiation was caught, negative status should not be
-  // propagated.
-  if (Res < 0)
-    Res = 1;
-#endif
-
-  // If we have multiple failing commands, we return the result of the first
-  // failing command.
-  return Res;
-}

dbms/programs/clang/Compiler-7.0.0bundled/lld.cpp

@@ -1,10 +0,0 @@
-#include "lld/Common/Driver.h"
-#include "llvm/Support/InitLLVM.h"
-#include <vector>
-
-int mainEntryClickHouseLLD(int argc, char ** argv)
-{
-    llvm::InitLLVM X(argc, argv);
-    std::vector<const char *> args(argv, argv + argc);
-    return !lld::elf::link(args, false);
-}

dbms/programs/clang/Compiler-7.0.0svn

@@ -1 +0,0 @@
-Compiler-7.0.0

dbms/programs/clang/Compiler-7.0.1

@@ -1 +0,0 @@
-Compiler-7.0.0

dbms/programs/clang/clickhouse-clang.cpp

@@ -1,2 +0,0 @@
-int mainEntryClickHouseClang(int argc, char ** argv);
-int main(int argc_, char ** argv_) { return mainEntryClickHouseClang(argc_, argv_); }

dbms/programs/clang/clickhouse-lld.cpp

@@ -1,2 +0,0 @@
-int mainEntryClickHouseLLD(int argc, char ** argv);
-int main(int argc_, char ** argv_) { return mainEntryClickHouseLLD(argc_, argv_); }

dbms/programs/clang/copy_headers.sh

@@ -1,100 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-#set -x
-#echo "Args: $*"; env | sort
-
-# Этот скрипт собирает все заголовочные файлы, нужные для компиляции некоторого translation unit-а
-#  и копирует их с сохранением путей в директорию DST.
-# Это затем может быть использовано, чтобы скомпилировать translation unit на другом сервере,
-#  используя ровно такой же набор заголовочных файлов.
-#
-# Требуется clang, желательно наиболее свежий (trunk).
-#
-# Используется при сборке пакетов.
-# Заголовочные файлы записываются в пакет clickhouse-common, в директорию /usr/share/clickhouse/headers.
-#
-# Если вы хотите установить их самостоятельно, без сборки пакета,
-#  чтобы clickhouse-server видел их там, где ожидается, выполните:
-#
-# sudo ./copy_headers.sh . /usr/share/clickhouse/headers/
-
-SOURCE_PATH=${1:-../../..}
-DST=${2:-$SOURCE_PATH/../headers}
-BUILD_PATH=${BUILD_PATH=${3:-$SOURCE_PATH/build}}
-
-PATH="/usr/local/bin:/usr/local/sbin:/usr/bin:$PATH"
-
-if [[ -z $CLANG ]]; then
-    CLANG="clang"
-fi
-
-START_HEADERS=$(echo \
-    $BUILD_PATH/dbms/src/Common/config_version.h \
-    $SOURCE_PATH/dbms/src/Interpreters/SpecializedAggregator.h \
-    $SOURCE_PATH/dbms/src/AggregateFunctions/AggregateFunction*.h)
-
-for header in $START_HEADERS; do
-    START_HEADERS_INCLUDE+="-include $header "
-done
-
-
-GCC_ROOT=`$CLANG -v 2>&1 | grep "Selected GCC installation"| sed -n -e 's/^.*: //p'`
-
-# TODO: Does not work on macos?
-GCC_ROOT=${GCC_ROOT:=/usr/lib/clang/${CMAKE_CXX_COMPILER_VERSION}}
-
-# Опция -mcx16 для того, чтобы выбиралось больше заголовочных файлов (с запасом).
-# The latter options are the same that are added while building packages.
-for src_file in $(echo | $CLANG -M -xc++ -std=c++1z -Wall -Werror -msse2 -msse4 -mcx16 -mpopcnt -O3 -g -fPIC -fstack-protector -D_FORTIFY_SOURCE=2 \
-    -I $GCC_ROOT/include \
-    -I $GCC_ROOT/include-fixed \
-    $(cat "$BUILD_PATH/include_directories.txt") \
-    $START_HEADERS_INCLUDE \
-    - |
-    tr -d '\\' |
-    sed -E -e 's/^-\.o://');
-do
-    dst_file=$src_file;
-    [ -n $BUILD_PATH ] && dst_file=$(echo $dst_file | sed -E -e "s!^$BUILD_PATH!!")
-    [ -n $DESTDIR ] && dst_file=$(echo $dst_file | sed -E -e "s!^$DESTDIR!!")
-    dst_file=$(echo $dst_file | sed -E -e 's/build\///')    # for simplicity reasons, will put generated headers near the rest.
-    mkdir -p "$DST/$(echo $dst_file | sed -E -e 's/\/[^/]*$/\//')";
-    cp "$src_file" "$DST/$dst_file";
-done
-
-
-# Копируем больше заголовочных файлов с интринсиками, так как на серверах, куда будут устанавливаться
-#  заголовочные файлы, будет использоваться опция -march=native.
-
-for src_file in $(ls -1 $($CLANG -v -xc++ - <<<'' 2>&1 | grep '^ /' | grep 'include' | grep -E '/lib/clang/|/include/clang/')/*.h | grep -vE 'arm|altivec|Intrin');
-do
-    dst_file=$src_file;
-    [ -n $BUILD_PATH ] && dst_file=$(echo $dst_file | sed -E -e "s!^$BUILD_PATH!!")
-    [ -n $DESTDIR ] && dst_file=$(echo $dst_file | sed -E -e "s!^$DESTDIR!!")
-    mkdir -p "$DST/$(echo $dst_file | sed -E -e 's/\/[^/]*$/\//')";
-    cp "$src_file" "$DST/$dst_file";
-done
-
-if [ -d "$SOURCE_PATH/contrib/boost/libs/smart_ptr/include/boost/smart_ptr/detail" ]; then
-    # Even more platform-specific headers
-    for src_file in $(ls -1 $SOURCE_PATH/contrib/boost/libs/smart_ptr/include/boost/smart_ptr/detail/*);
-    do
-        dst_file=$src_file;
-        [ -n $BUILD_PATH ] && dst_file=$(echo $dst_file | sed -E -e "s!^$BUILD_PATH!!")
-        [ -n $DESTDIR ] && dst_file=$(echo $dst_file | sed -E -e "s!^$DESTDIR!!")
-        mkdir -p "$DST/$(echo $dst_file | sed -E -e 's/\/[^/]*$/\//')";
-        cp "$src_file" "$DST/$dst_file";
-    done
-fi
-
-if [ -d "$SOURCE_PATH/contrib/boost/boost/smart_ptr/detail" ]; then
-    for src_file in $(ls -1 $SOURCE_PATH/contrib/boost/boost/smart_ptr/detail/*);
-    do
-        dst_file=$src_file;
-        [ -n $BUILD_PATH ] && dst_file=$(echo $dst_file | sed -E -e "s!^$BUILD_PATH!!")
-        [ -n $DESTDIR ] && dst_file=$(echo $dst_file | sed -E -e "s!^$DESTDIR!!")
-        mkdir -p "$DST/$(echo $dst_file | sed -E -e 's/\/[^/]*$/\//')";
-        cp "$src_file" "$DST/$dst_file";
-    done
-fi

dbms/programs/client/Client.cpp

@@ -67,6 +67,7 @@
 #include <Common/Config/configReadClient.h>
 #include <Storages/ColumnsDescription.h>
 #include <common/argsToConfig.h>
+#include <Common/TerminalSize.h>
 
 #if USE_READLINE
 #include "Suggest.h"
@@ -130,7 +131,7 @@ private:
     bool print_time_to_stderr = false;   /// Output execution time to stderr in batch mode.
     bool stdin_is_not_tty = false;       /// stdin is not a terminal.
 
-    winsize terminal_size {};            /// Terminal size is needed to render progress bar.
+    uint16_t terminal_width = 0;         /// Terminal width is needed to render progress bar.
 
     std::unique_ptr<Connection> connection;    /// Connection to DB.
     String query_id;                     /// Current query_id.
@@ -671,7 +672,7 @@ private:
         String text;
 
         if (config().has("query"))
-            text = config().getString("query");
+            text = config().getRawString("query");  /// Poco configuration should not process substitutions in form of ${...} inside query.
         else
         {
             /// If 'query' parameter is not set, read a query from stdin.
@@ -1465,7 +1466,7 @@ private:
 
                 if (show_progress_bar)
                 {
-                    ssize_t width_of_progress_bar = static_cast<ssize_t>(terminal_size.ws_col) - written_progress_chars - strlen(" 99%");
+                    ssize_t width_of_progress_bar = static_cast<ssize_t>(terminal_width) - written_progress_chars - strlen(" 99%");
                     if (width_of_progress_bar > 0)
                     {
                         std::string bar = UnicodeBar::render(UnicodeBar::getWidth(progress.read_rows, 0, total_rows_corrected, width_of_progress_bar));
@@ -1642,22 +1643,13 @@ public:
 
         stdin_is_not_tty = !isatty(STDIN_FILENO);
 
+        if (!stdin_is_not_tty)
+            terminal_width = getTerminalWidth();
+
         namespace po = boost::program_options;
 
-        unsigned line_length = po::options_description::m_default_line_length;
-        unsigned min_description_length = line_length / 2;
-        if (!stdin_is_not_tty)
-        {
-            if (ioctl(STDIN_FILENO, TIOCGWINSZ, &terminal_size))
-                throwFromErrno("Cannot obtain terminal window size (ioctl TIOCGWINSZ)", ErrorCodes::SYSTEM_ERROR);
-            line_length = std::max(
-                static_cast<unsigned>(strlen("--http_native_compression_disable_checksumming_on_decompress ")),
-                static_cast<unsigned>(terminal_size.ws_col));
-            min_description_length = std::min(min_description_length, line_length - 2);
-        }
-
         /// Main commandline options related to client functionality and all parameters from Settings.
-        po::options_description main_description("Main options", line_length, min_description_length);
+        po::options_description main_description = createOptionsDescription("Main options", terminal_width);
         main_description.add_options()
             ("help", "produce help message")
             ("config-file,C", po::value<std::string>(), "config-file path")
@@ -1672,7 +1664,7 @@ public:
               * the "\n" is used to distinguish this case because there is hardly a chance an user would use "\n"
               * as the password.
               */
-            ("password", po::value<std::string>()->implicit_value("\n"), "password")
+            ("password", po::value<std::string>()->implicit_value("\n", ""), "password")
             ("ask-password", "ask-password")
             ("query_id", po::value<std::string>(), "query_id")
             ("query,q", po::value<std::string>(), "query")
@@ -1703,7 +1695,7 @@ public:
         context.getSettingsRef().addProgramOptions(main_description);
 
         /// Commandline options related to external tables.
-        po::options_description external_description("External tables options");
+        po::options_description external_description = createOptionsDescription("External tables options", terminal_width);
         external_description.add_options()
             ("file", po::value<std::string>(), "data file or - for stdin")
             ("name", po::value<std::string>()->default_value("_data"), "name of the table")

dbms/programs/compressor/Compressor.cpp

@@ -12,8 +12,9 @@
 #include <IO/copyData.h>
 #include <Parsers/parseQuery.h>
 #include <Parsers/ExpressionElementParsers.h>
-
 #include <Compression/CompressionFactory.h>
+#include <Common/TerminalSize.h>
+
 
 namespace DB
 {
@@ -59,7 +60,7 @@ void checkAndWriteHeader(DB::ReadBuffer & in, DB::WriteBuffer & out)
 
 int mainEntryClickHouseCompressor(int argc, char ** argv)
 {
-    boost::program_options::options_description desc("Allowed options");
+    boost::program_options::options_description desc = createOptionsDescription("Allowed options", getTerminalWidth());
     desc.add_options()
         ("help,h", "produce help message")
         ("decompress,d", "decompress")

dbms/programs/format/Format.cpp

@@ -6,13 +6,13 @@
 #include <Parsers/ParserQuery.h>
 #include <Parsers/parseQuery.h>
 #include <Parsers/formatAST.h>
-
+#include <Common/TerminalSize.h>
 
 int mainEntryClickHouseFormat(int argc, char ** argv)
 {
     using namespace DB;
 
-    boost::program_options::options_description desc("Allowed options");
+    boost::program_options::options_description desc = createOptionsDescription("Allowed options", getTerminalWidth());
     desc.add_options()
         ("help,h", "produce help message")
         ("hilite", "add syntax highlight with ANSI terminal escape sequences")

dbms/programs/local/LocalServer.cpp

@@ -35,6 +35,7 @@
 #include <boost/program_options/options_description.hpp>
 #include <boost/program_options.hpp>
 #include <common/argsToConfig.h>
+#include <Common/TerminalSize.h>
 
 
 namespace DB
@@ -267,7 +268,7 @@ void LocalServer::attachSystemTables()
 void LocalServer::processQueries()
 {
     String initial_create_query = getInitialCreateTableQuery();
-    String queries_str = initial_create_query + config().getString("query");
+    String queries_str = initial_create_query + config().getRawString("query");
 
     std::vector<String> queries;
     auto parse_res = splitMultipartQuery(queries_str, queries);
@@ -409,17 +410,7 @@ void LocalServer::init(int argc, char ** argv)
     /// Don't parse options with Poco library, we prefer neat boost::program_options
     stopOptionsProcessing();
 
-    unsigned line_length = po::options_description::m_default_line_length;
+    po::options_description description = createOptionsDescription("Main options", getTerminalWidth());
-    unsigned min_description_length = line_length / 2;
-    if (isatty(STDIN_FILENO))
-    {
-        winsize terminal_size{};
-        ioctl(0, TIOCGWINSZ, &terminal_size);
-        line_length = std::max(3U, static_cast<unsigned>(terminal_size.ws_col));
-        min_description_length = std::min(min_description_length, line_length - 2);
-    }
-
-    po::options_description description("Main options", line_length, min_description_length);
     description.add_options()
         ("help", "produce help message")
         ("config-file,c", po::value<std::string>(), "config-file path")

dbms/programs/main.cpp

@@ -56,11 +56,6 @@ int mainEntryClickHouseObfuscator(int argc, char ** argv);
 #endif
 
 
-#if USE_EMBEDDED_COMPILER
-    int mainEntryClickHouseClang(int argc, char ** argv);
-    int mainEntryClickHouseLLD(int argc, char ** argv);
-#endif
-
 namespace
 {
 
@@ -100,12 +95,6 @@ std::pair<const char *, MainFunc> clickhouse_applications[] =
 #if ENABLE_CLICKHOUSE_OBFUSCATOR || !defined(ENABLE_CLICKHOUSE_OBFUSCATOR)
     {"obfuscator", mainEntryClickHouseObfuscator},
 #endif
-
-#if USE_EMBEDDED_COMPILER
-    {"clang", mainEntryClickHouseClang},
-    {"clang++", mainEntryClickHouseClang},
-    {"lld", mainEntryClickHouseLLD},
-#endif
 };
 
 
@@ -152,11 +141,6 @@ int main(int argc_, char ** argv_)
     ///  will work only after additional call of this function.
     updatePHDRCache();
 
-#if USE_EMBEDDED_COMPILER
-    if (argc_ >= 2 && 0 == strcmp(argv_[1], "-cc1"))
-        return mainEntryClickHouseClang(argc_, argv_);
-#endif
-
 #if USE_TCMALLOC
     /** Without this option, tcmalloc returns memory to OS too frequently for medium-sized memory allocations
       *  (like IO buffers, column vectors, hash tables, etc.),

dbms/programs/obfuscator/Obfuscator.cpp

@@ -37,6 +37,7 @@
 #include <boost/program_options.hpp>
 #include <boost/algorithm/string.hpp>
 #include <boost/container/flat_map.hpp>
+#include <Common/TerminalSize.h>
 
 
 static const char * documantation = R"(
@@ -949,7 +950,7 @@ try
     using namespace DB;
     namespace po = boost::program_options;
 
-    po::options_description description("Options");
+    po::options_description description = createOptionsDescription("Options", getTerminalWidth());
     description.add_options()
         ("help", "produce help message")
         ("structure,S", po::value<std::string>(), "structure of the initial table (list of column and type names)")

dbms/programs/performance-test/PerformanceTestInfo.cpp

@@ -97,7 +97,7 @@ void PerformanceTestInfo::applySettings(XMLConfigurationPtr config)
         }
 
         extractSettings(config, "settings", config_settings, settings_to_apply);
-        settings.applyChanges(settings_to_apply);
+        settings.loadFromChanges(settings_to_apply);
 
         if (settings_contain("average_rows_speed_precision"))
             TestStats::avg_rows_speed_precision =

dbms/programs/performance-test/PerformanceTestSuite.cpp

@@ -28,6 +28,7 @@
 #include <Core/Settings.h>
 #include <Common/Exception.h>
 #include <Common/InterruptListener.h>
+#include <Common/TerminalSize.h>
 
 #include "TestStopConditions.h"
 #include "TestStats.h"
@@ -324,7 +325,7 @@ try
     using po::value;
     using Strings = DB::Strings;
 
-    po::options_description desc("Allowed options");
+    po::options_description desc = createOptionsDescription("Allowed options", getTerminalWidth());
     desc.add_options()
         ("help", "produce help message")
         ("lite", "use lite version of output")

dbms/programs/server/Server.cpp

@@ -520,7 +520,7 @@ int Server::main(const std::vector<std::string> & /*args*/)
 
     /// Init trace collector only after trace_log system table was created
     /// Disable it if we collect test coverage information, because it will work extremely slow.
-#if USE_INTERNAL_UNWIND_LIBRARY && !WITH_COVERAGE
+#if USE_UNWIND && !WITH_COVERAGE
     /// QueryProfiler cannot work reliably with any other libunwind or without PHDR cache.
     if (hasPHDRCache())
         global_context->initializeTraceCollector();

dbms/programs/server/TCPHandler.cpp

@@ -182,11 +182,11 @@ void TCPHandler::runImpl()
             /// Should we send internal logs to client?
             const auto client_logs_level = query_context->getSettingsRef().send_logs_level;
             if (client_revision >= DBMS_MIN_REVISION_WITH_SERVER_LOGS
-                && client_logs_level.value != LogsLevel::none)
+                && client_logs_level != LogsLevel::none)
             {
                 state.logs_queue = std::make_shared<InternalTextLogsQueue>();
                 state.logs_queue->max_priority = Poco::Logger::parseLevel(client_logs_level.toString());
-                CurrentThread::attachInternalTextLogsQueue(state.logs_queue, client_logs_level.value);
+                CurrentThread::attachInternalTextLogsQueue(state.logs_queue, client_logs_level);
             }
 
             query_context->setExternalTablesInitializer([&connection_settings, this] (Context & context)
@@ -329,7 +329,7 @@ void TCPHandler::readData(const Settings & connection_settings)
     const auto receive_timeout = query_context->getSettingsRef().receive_timeout.value;
 
     /// Poll interval should not be greater than receive_timeout
-    const size_t default_poll_interval = connection_settings.poll_interval.value * 1000000;
+    const size_t default_poll_interval = connection_settings.poll_interval * 1000000;
     size_t current_poll_interval = static_cast<size_t>(receive_timeout.totalMicroseconds());
     constexpr size_t min_poll_interval = 5000; // 5 ms
     size_t poll_interval = std::max(min_poll_interval, std::min(default_poll_interval, current_poll_interval));
@@ -865,7 +865,7 @@ bool TCPHandler::receiveData()
             if (!(storage = query_context->tryGetExternalTable(external_table_name)))
             {
                 NamesAndTypesList columns = block.getNamesAndTypesList();
-                storage = StorageMemory::create("_external", external_table_name, ColumnsDescription{columns});
+                storage = StorageMemory::create("_external", external_table_name, ColumnsDescription{columns}, ConstraintsDescription{});
                 storage->startup();
                 query_context->addExternalTable(external_table_name, storage);
             }

dbms/src/AggregateFunctions/AggregateFunctionGroupUniqArray.h

@@ -90,7 +90,7 @@ public:
         auto & set = this->data(place).value;
         size_t size = set.size();
         writeVarUInt(size, buf);
-        for (auto & elem : set)
+        for (const auto & elem : set)
             writeIntBinary(elem, buf);
     }
 

dbms/src/AggregateFunctions/QuantileExact.h

@@ -176,7 +176,7 @@ struct QuantileExactExclusive : public QuantileExact<Value>
     }
 };
 
-/// QuantileExactInclusive is equivalent to Excel PERCENTILE and PERCENTILE.INC, R-7,  SciPy-(1,1)
+/// QuantileExactInclusive is equivalent to Excel PERCENTILE and PERCENTILE.INC, R-7, SciPy-(1,1)
 template <typename Value>
 struct QuantileExactInclusive : public QuantileExact<Value>
 {

dbms/src/Client/ConnectionPool.h

@@ -74,7 +74,7 @@ public:
     {
         Entry entry;
         if (settings)
-            entry = Base::get(settings->queue_max_wait_ms.totalMilliseconds());
+            entry = Base::get(settings->connection_pool_max_wait_ms.totalMilliseconds());
         else
             entry = Base::get(-1);
 
@@ -88,6 +88,10 @@ public:
     {
         return host;
     }
+    std::string getDescription() const
+    {
+        return host + ":" + toString(port);
+    }
 
 protected:
     /** Creates a new object to put in the pool. */

dbms/src/Columns/ColumnLowCardinality.cpp

@@ -34,7 +34,7 @@ namespace
         auto & data = res_col->getData();
 
         data.resize(hash_map.size());
-        for (auto val : hash_map)
+        for (const auto & val : hash_map)
             data[val.getSecond()] = val.getFirst();
 
         for (auto & ind : index)

dbms/src/Columns/ColumnTuple.cpp

@@ -81,6 +81,16 @@ MutableColumnPtr ColumnTuple::cloneEmpty() const
     return ColumnTuple::create(std::move(new_columns));
 }
 
+MutableColumnPtr ColumnTuple::cloneResized(size_t new_size) const
+{
+    const size_t tuple_size = columns.size();
+    MutableColumns new_columns(tuple_size);
+    for (size_t i = 0; i < tuple_size; ++i)
+        new_columns[i] = columns[i]->cloneResized(new_size);
+
+    return ColumnTuple::create(std::move(new_columns));
+}
+
 Field ColumnTuple::operator[](size_t n) const
 {
     return Tuple{ext::map<TupleBackend>(columns, [n] (const auto & column) { return (*column)[n]; })};

dbms/src/Columns/ColumnTuple.h

@@ -42,6 +42,7 @@ public:
     const char * getFamilyName() const override { return "Tuple"; }
 
     MutableColumnPtr cloneEmpty() const override;
+    MutableColumnPtr cloneResized(size_t size) const override;
 
     size_t size() const override
     {

dbms/src/Columns/ReverseIndex.h

@@ -82,6 +82,8 @@ namespace
         template <typename T>
         static bool isZero(const T &, const State & /*state*/)
         {
+            /// Careful: apparently this uses SFINAE to redefine isZero for all types
+            /// except the IndexType, for which the default ZeroTraits::isZero is used.
             static_assert(!std::is_same_v<typename std::decay<T>::type, typename std::decay<IndexType>::type>);
             return false;
         }
@@ -122,19 +124,88 @@ namespace
     };
 
 
+    /**
+      * ReverseIndexHashTableBase implements a special hash table interface for
+      * reverse index.
+      *
+      * The following requirements are different compared to a plain hash table:
+      *
+      * 1) Provide public access to 'hash table state' that contains
+      * additional data needed to calculate cell hashes.
+      *
+      * 2) Support emplace() and find() with a Key different from the resulting
+      * hash table key. This means emplace() accepts a different kind of object
+      * as a key, and then the real key can be read from the returned cell iterator.
+      *
+      * These requirements are unique to ReverseIndex and are in conflict with
+      * supporting hash tables that use alternative key storage, such as FixedHashMap
+      * or StringHashMap. Therefore, we implement an interface for ReverseIndex
+      * separately.
+      */
     template <typename Key, typename Cell, typename Hash>
-    class HashTableWithPublicState : public HashTable<Key, Cell, Hash, HashTableGrower<>, HashTableAllocator>
+    class ReverseIndexHashTableBase : public HashTable<Key, Cell, Hash, HashTableGrower<>, HashTableAllocator>
     {
         using State = typename Cell::State;
         using Base = HashTable<Key, Cell, Hash, HashTableGrower<>, HashTableAllocator>;
 
     public:
         using Base::Base;
+        using iterator = typename Base::iterator;
         State & getState() { return *this; }
+
+
+        template <typename ObjectToCompareWith>
+        size_t ALWAYS_INLINE reverseIndexFindCell(const ObjectToCompareWith & x,
+            size_t hash_value, size_t place_value) const
+        {
+            while (!this->buf[place_value].isZero(*this)
+                   && !this->buf[place_value].keyEquals(x, hash_value, *this))
+            {
+                place_value = this->grower.next(place_value);
+            }
+
+            return place_value;
+        }
+
+        template <typename ObjectToCompareWith>
+        void ALWAYS_INLINE reverseIndexEmplaceNonZero(const Key & key, iterator & it,
+            bool & inserted, size_t hash_value, const ObjectToCompareWith & object)
+        {
+            size_t place_value = reverseIndexFindCell(object, hash_value,
+                  this->grower.place(hash_value));
+            // emplaceNonZeroImpl() might need to re-find the cell if the table grows,
+            // but it will find it correctly by the key alone, so we don't have to
+            // pass it the 'object'.
+            this->emplaceNonZeroImpl(place_value, key, it, inserted, hash_value);
+        }
+
+        /// Searches position by object.
+        template <typename ObjectToCompareWith>
+        void ALWAYS_INLINE reverseIndexEmplace(Key key, iterator & it, bool & inserted,
+            size_t hash_value, const ObjectToCompareWith& object)
+        {
+            if (!this->emplaceIfZero(key, it, inserted, hash_value))
+            {
+                reverseIndexEmplaceNonZero(key, it, inserted, hash_value, object);
+            }
+        }
+
+        template <typename ObjectToCompareWith>
+        iterator ALWAYS_INLINE reverseIndexFind(ObjectToCompareWith x, size_t hash_value)
+        {
+            if (Cell::isZero(x, *this))
+                return this->hasZero() ? this->iteratorToZero() : this->end();
+
+            size_t place_value = reverseIndexFindCell(x, hash_value,
+                                    this->grower.place(hash_value));
+            return !this->buf[place_value].isZero(*this)
+                    ? iterator(this, &this->buf[place_value])
+                    : this->end();
+        }
     };
 
     template <typename IndexType, typename ColumnType, bool has_base_index>
-    class ReverseIndexStringHashTable : public HashTableWithPublicState<
+    class ReverseIndexStringHashTable : public ReverseIndexHashTableBase<
             IndexType,
             ReverseIndexHashTableCell<
                     IndexType,
@@ -145,7 +216,7 @@ namespace
                     has_base_index>,
             ReverseIndexHash>
     {
-        using Base = HashTableWithPublicState<
+        using Base = ReverseIndexHashTableBase<
                 IndexType,
                 ReverseIndexHashTableCell<
                         IndexType,
@@ -167,7 +238,7 @@ namespace
     };
 
     template <typename IndexType, typename ColumnType, bool has_base_index>
-    class ReverseIndexNumberHashTable : public HashTableWithPublicState<
+    class ReverseIndexNumberHashTable : public ReverseIndexHashTableBase<
             IndexType,
             ReverseIndexHashTableCell<
                     IndexType,
@@ -178,7 +249,7 @@ namespace
                     has_base_index>,
             ReverseIndexHash>
     {
-        using Base = HashTableWithPublicState<
+        using Base = ReverseIndexHashTableBase<
                 IndexType,
                 ReverseIndexHashTableCell<
                         IndexType,
@@ -357,7 +428,7 @@ void ReverseIndex<IndexType, ColumnType>::buildIndex()
         else
             hash = getHash(column->getDataAt(row));
 
-        index->emplace(row + base_index, iterator, inserted, hash, column->getDataAt(row));
+        index->reverseIndexEmplace(row + base_index, iterator, inserted, hash, column->getDataAt(row));
 
         if (!inserted)
             throw Exception("Duplicating keys found in ReverseIndex.", ErrorCodes::LOGICAL_ERROR);
@@ -402,7 +473,7 @@ UInt64 ReverseIndex<IndexType, ColumnType>::insert(const StringRef & data)
     else
         column->insertData(data.data, data.size);
 
-    index->emplace(num_rows + base_index, iterator, inserted, hash, data);
+    index->reverseIndexEmplace(num_rows + base_index, iterator, inserted, hash, data);
 
     if constexpr (use_saved_hash)
     {
@@ -428,7 +499,7 @@ UInt64 ReverseIndex<IndexType, ColumnType>::getInsertionPoint(const StringRef &
     IteratorType iterator;
 
     auto hash = getHash(data);
-    iterator = index->find(data, hash);
+    iterator = index->reverseIndexFind(data, hash);
 
     return iterator == index->end() ? size() + base_index : iterator->getValue();
 }

dbms/src/Common/Config/CMakeLists.txt

@@ -4,5 +4,5 @@ add_headers_and_sources(clickhouse_common_config .)
 
 add_library(clickhouse_common_config ${clickhouse_common_config_headers} ${clickhouse_common_config_sources})
 
-target_link_libraries(clickhouse_common_config PUBLIC common PRIVATE clickhouse_common_zookeeper string_utils PUBLIC ${Poco_XML_LIBRARY} ${Poco_Util_LIBRARY} Threads::Threads)
+target_link_libraries(clickhouse_common_config PUBLIC common PRIVATE clickhouse_common_zookeeper string_utils PUBLIC ${Poco_XML_LIBRARY} ${Poco_Util_LIBRARY})
 target_include_directories(clickhouse_common_config PUBLIC ${DBMS_INCLUDE_DIR})

dbms/src/Common/CurrentThread.cpp

@@ -51,12 +51,6 @@ MemoryTracker * CurrentThread::getMemoryTracker()
     return &current_thread->memory_tracker;
 }
 
-Int64 & CurrentThread::getUntrackedMemory()
-{
-    /// It assumes that (current_thread != nullptr) is already checked with getMemoryTracker()
-    return current_thread->untracked_memory;
-}
-
 void CurrentThread::updateProgressIn(const Progress & value)
 {
     if (unlikely(!current_thread))

dbms/src/Common/CurrentThread.h

@@ -52,7 +52,12 @@ public:
 
     static ProfileEvents::Counters & getProfileEvents();
     static MemoryTracker * getMemoryTracker();
-    static Int64 & getUntrackedMemory();
+
+    static inline Int64 & getUntrackedMemory()
+    {
+        /// It assumes that (current_thread != nullptr) is already checked with getMemoryTracker()
+        return current_thread->untracked_memory;
+    }
 
     /// Update read and write rows (bytes) statistics (used in system.query_thread_log)
     static void updateProgressIn(const Progress & value);

dbms/src/Common/ErrorCodes.cpp

@@ -445,6 +445,8 @@ namespace ErrorCodes
     extern const int CANNOT_PTHREAD_ATTR = 468;
     extern const int VIOLATED_CONSTRAINT = 469;
     extern const int QUERY_IS_NOT_SUPPORTED_IN_LIVE_VIEW = 470;
+    extern const int SETTINGS_ARE_NOT_SUPPORTED = 471;
+    extern const int IMMUTABLE_SETTING = 472;
 
     extern const int KEEPER_EXCEPTION = 999;
     extern const int POCO_EXCEPTION = 1000;

dbms/src/Common/HashTable/FixedHashMap.h

@@ -11,8 +11,8 @@ struct FixedHashMapCell
     using State = TState;
 
     using value_type = PairNoInit<Key, Mapped>;
-    bool full;
     Mapped mapped;
+    bool full;
 
     FixedHashMapCell() {}
     FixedHashMapCell(const Key &, const State &) : full(true) {}

dbms/src/Common/HashTable/FixedHashTable.h

@@ -294,26 +294,22 @@ public:
     void ALWAYS_INLINE emplace(Key x, iterator & it, bool & inserted) { emplaceImpl(x, it, inserted); }
     void ALWAYS_INLINE emplace(Key x, iterator & it, bool & inserted, size_t) { emplaceImpl(x, it, inserted); }
 
-    template <typename ObjectToCompareWith>
+    iterator ALWAYS_INLINE find(Key x)
-    iterator ALWAYS_INLINE find(ObjectToCompareWith x)
     {
         return !buf[x].isZero(*this) ? iterator(this, &buf[x]) : end();
     }
 
-    template <typename ObjectToCompareWith>
+    const_iterator ALWAYS_INLINE find(Key x) const
-    const_iterator ALWAYS_INLINE find(ObjectToCompareWith x) const
     {
         return !buf[x].isZero(*this) ? const_iterator(this, &buf[x]) : end();
     }
 
-    template <typename ObjectToCompareWith>
+    iterator ALWAYS_INLINE find(Key, size_t hash_value)
-    iterator ALWAYS_INLINE find(ObjectToCompareWith, size_t hash_value)
     {
         return !buf[hash_value].isZero(*this) ? iterator(this, &buf[hash_value]) : end();
     }
 
-    template <typename ObjectToCompareWith>
+    const_iterator ALWAYS_INLINE find(Key, size_t hash_value) const
-    const_iterator ALWAYS_INLINE find(ObjectToCompareWith, size_t hash_value) const
     {
         return !buf[hash_value].isZero(*this) ? const_iterator(this, &buf[hash_value]) : end();
     }

dbms/src/Common/HashTable/HashMap.h

@@ -128,14 +128,12 @@ struct HashMapCellWithSavedHash : public HashMapCell<Key, TMapped, Hash, TState>
 };
 
 
-template
+template <
-<
     typename Key,
     typename Cell,
     typename Hash = DefaultHash<Key>,
     typename Grower = HashTableGrower<>,
-    typename Allocator = HashTableAllocator
+    typename Allocator = HashTableAllocator>
->
 class HashMapTable : public HashTable<Key, Cell, Hash, Grower, Allocator>
 {
 public:
@@ -173,23 +171,19 @@ public:
 };
 
 
-template
+template <
-<
     typename Key,
     typename Mapped,
     typename Hash = DefaultHash<Key>,
     typename Grower = HashTableGrower<>,
-    typename Allocator = HashTableAllocator
+    typename Allocator = HashTableAllocator>
->
 using HashMap = HashMapTable<Key, HashMapCell<Key, Mapped, Hash>, Hash, Grower, Allocator>;
 
 
-template
+template <
-<
     typename Key,
     typename Mapped,
     typename Hash = DefaultHash<Key>,
     typename Grower = HashTableGrower<>,
-    typename Allocator = HashTableAllocator
+    typename Allocator = HashTableAllocator>
->
 using HashMapWithSavedHash = HashMapTable<Key, HashMapCellWithSavedHash<Key, Mapped, Hash>, Hash, Grower, Allocator>;

dbms/src/Common/HashTable/HashTable.h

@@ -95,7 +95,6 @@ struct HashTableCell
 
     /// Create a cell with the given key / key and value.
     HashTableCell(const Key & key_, const State &) : key(key_) {}
-/// HashTableCell(const value_type & value_, const State & state) : key(value_) {}
 
     /// Get what the value_type of the container will be.
     value_type & getValueMutable() { return key; }
@@ -280,8 +279,7 @@ protected:
 #endif
 
     /// Find a cell with the same key or an empty cell, starting from the specified position and further along the collision resolution chain.
-    template <typename ObjectToCompareWith>
+    size_t ALWAYS_INLINE findCell(const Key & x, size_t hash_value, size_t place_value) const
-    size_t ALWAYS_INLINE findCell(const ObjectToCompareWith & x, size_t hash_value, size_t place_value) const
     {
         while (!buf[place_value].isZero(*this) && !buf[place_value].keyEquals(x, hash_value, *this))
         {
@@ -700,13 +698,6 @@ protected:
         emplaceNonZeroImpl(place_value, x, it, inserted, hash_value);
     }
 
-    /// Same but find place using object. Hack for ReverseIndex.
-    template <typename ObjectToCompareWith>
-    void ALWAYS_INLINE emplaceNonZero(Key x, iterator & it, bool & inserted, size_t hash_value, const ObjectToCompareWith & object)
-    {
-        size_t place_value = findCell(object, hash_value, grower.place(hash_value));
-        emplaceNonZeroImpl(place_value, x, it, inserted, hash_value);
-    }
 
 
 public:
@@ -763,14 +754,6 @@ public:
             emplaceNonZero(x, it, inserted, hash_value);
     }
 
-    /// Same, but search position by object. Hack for ReverseIndex.
-    template <typename ObjectToCompareWith>
-    void ALWAYS_INLINE emplace(Key x, iterator & it, bool & inserted, size_t hash_value, const ObjectToCompareWith & object)
-    {
-        if (!emplaceIfZero(x, it, inserted, hash_value))
-            emplaceNonZero(x, it, inserted, hash_value, object);
-    }
-
     /// Copy the cell from another hash table. It is assumed that the cell is not zero, and also that there was no such key in the table yet.
     void ALWAYS_INLINE insertUniqueNonZero(const Cell * cell, size_t hash_value)
     {
@@ -783,9 +766,7 @@ public:
             resize();
     }
 
-
+    iterator ALWAYS_INLINE find(Key x)
-    template <typename ObjectToCompareWith>
-    iterator ALWAYS_INLINE find(ObjectToCompareWith x)
     {
         if (Cell::isZero(x, *this))
             return this->hasZero() ? iteratorToZero() : end();
@@ -796,8 +777,7 @@ public:
     }
 
 
-    template <typename ObjectToCompareWith>
+    const_iterator ALWAYS_INLINE find(Key x) const
-    const_iterator ALWAYS_INLINE find(ObjectToCompareWith x) const
     {
         if (Cell::isZero(x, *this))
             return this->hasZero() ? iteratorToZero() : end();
@@ -808,8 +788,7 @@ public:
     }
 
 
-    template <typename ObjectToCompareWith>
+    iterator ALWAYS_INLINE find(Key x, size_t hash_value)
-    iterator ALWAYS_INLINE find(ObjectToCompareWith x, size_t hash_value)
     {
         if (Cell::isZero(x, *this))
             return this->hasZero() ? iteratorToZero() : end();
@@ -819,8 +798,7 @@ public:
     }
 
 
-    template <typename ObjectToCompareWith>
+    const_iterator ALWAYS_INLINE find(Key x, size_t hash_value) const
-    const_iterator ALWAYS_INLINE find(ObjectToCompareWith x, size_t hash_value) const
     {
         if (Cell::isZero(x, *this))
             return this->hasZero() ? iteratorToZero() : end();

dbms/src/Common/OptimizedRegularExpression.cpp

@@ -1,4 +1,5 @@
 #include <Common/Exception.h>
+#include <Common/PODArray.h>
 #include <Common/OptimizedRegularExpression.h>
 
 #define MIN_LENGTH_FOR_STRSTR 3
@@ -413,9 +414,9 @@ unsigned OptimizedRegularExpressionImpl<thread_safe>::match(const char * subject
                 return 0;
         }
 
-        StringPieceType pieces[MAX_SUBPATTERNS];
+        DB::PODArrayWithStackMemory<StringPieceType, sizeof(StringPieceType) * (MAX_SUBPATTERNS+1)> pieces(limit);
 
-        if (!re2->Match(StringPieceType(subject, subject_size), 0, subject_size, RegexType::UNANCHORED, pieces, limit))
+        if (!re2->Match(StringPieceType(subject, subject_size), 0, subject_size, RegexType::UNANCHORED, pieces.data(), pieces.size()))
             return 0;
         else
         {

dbms/src/Common/QueryProfiler.cpp

@@ -100,7 +100,7 @@ QueryProfilerBase<ProfilerImpl>::QueryProfilerBase(const Int32 thread_id, const
     : log(&Logger::get("QueryProfiler"))
     , pause_signal(pause_signal_)
 {
-#if USE_INTERNAL_UNWIND_LIBRARY
+#if USE_UNWIND
     /// Sanity check.
     if (!hasPHDRCache())
         throw Exception("QueryProfiler cannot be used without PHDR cache, that is not available for TSan build", ErrorCodes::NOT_IMPLEMENTED);
@@ -173,7 +173,7 @@ QueryProfilerBase<ProfilerImpl>::~QueryProfilerBase()
 template <typename ProfilerImpl>
 void QueryProfilerBase<ProfilerImpl>::tryCleanup()
 {
-#if USE_INTERNAL_UNWIND_LIBRARY
+#if USE_UNWIND
     if (timer_id != nullptr && timer_delete(timer_id))
         LOG_ERROR(log, "Failed to delete query profiler timer " + errnoToString(ErrorCodes::CANNOT_DELETE_TIMER));
 

dbms/src/Common/QueryProfiler.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <Core/Types.h>
+#include <Common/config.h>
 #include <common/config_common.h>
 #include <signal.h>
 #include <time.h>
@@ -43,7 +44,7 @@ private:
 
     Poco::Logger * log;
 
-#if USE_INTERNAL_UNWIND_LIBRARY
+#if USE_UNWIND
     /// Timer id from timer_create(2)
     timer_t timer_id = nullptr;
 #endif

dbms/src/Common/StackTrace.cpp

@@ -1,15 +1,20 @@
-#include <common/SimpleCache.h>
-#include <common/demangle.h>
-#include <Common/config.h>
 #include <Common/StackTrace.h>
-#include <Common/SymbolIndex.h>
+
 #include <Common/Dwarf.h>
 #include <Common/Elf.h>
-#include <sstream>
+#include <Common/SymbolIndex.h>
-#include <filesystem>
+#include <Common/config.h>
-#include <unordered_map>
+#include <common/SimpleCache.h>
-#include <cstring>
+#include <common/demangle.h>
 
+#include <cstring>
+#include <filesystem>
+#include <sstream>
+#include <unordered_map>
+
+#if USE_UNWIND
+#   include <libunwind.h>
+#endif
 
 std::string signalToErrorMessage(int sig, const siginfo_t & info, const ucontext_t & context)
 {
@@ -215,12 +220,6 @@ StackTrace::StackTrace(NoCapture)
 {
 }
 
-
-#if USE_UNWIND
-extern "C" int unw_backtrace(void **, int);
-#endif
-
-
 void StackTrace::tryCapture()
 {
     size = 0;

dbms/src/Common/StringSearcher.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <Common/Exception.h>
+#include <Common/StringUtils/StringUtils.h>
 #include <Common/UTF8Helpers.h>
 #include <Core/Defines.h>
 #include <ext/range.h>
@@ -23,6 +25,7 @@ namespace DB
 namespace ErrorCodes
 {
     extern const int UNSUPPORTED_PARAMETER;
+    extern const int BAD_ARGUMENTS;
 }
 
 
@@ -157,7 +160,7 @@ public:
 #endif
     }
 
-    ALWAYS_INLINE bool compare(const UInt8 * pos) const
+    ALWAYS_INLINE bool compare(const UInt8 * /*haystack*/, const UInt8 * /*haystack_end*/, const UInt8 * pos) const
     {
         static const Poco::UTF8Encoding utf8;
 
@@ -374,7 +377,7 @@ public:
 #endif
     }
 
-    ALWAYS_INLINE bool compare(const UInt8 * pos) const
+    ALWAYS_INLINE bool compare(const UInt8 * /*haystack*/, const UInt8 * /*haystack_end*/, const UInt8 * pos) const
     {
 #ifdef __SSE4_1__
         if (pageSafe(pos))
@@ -567,7 +570,7 @@ public:
 #endif
     }
 
-    ALWAYS_INLINE bool compare(const UInt8 * pos) const
+    ALWAYS_INLINE bool compare(const UInt8 * /*haystack*/, const UInt8 * /*haystack_end*/, const UInt8 * pos) const
     {
 #ifdef __SSE4_1__
         if (pageSafe(pos))
@@ -697,11 +700,82 @@ public:
     }
 };
 
+// Searches for needle surrounded by token-separators.
+// Separators are anything inside ASCII (0-128) and not alphanum.
+// Any value outside of basic ASCII (>=128) is considered a non-separator symbol, hence UTF-8 strings
+// should work just fine. But any Unicode whitespace is not considered a token separtor.
+template <typename StringSearcher>
+class TokenSearcher
+{
+    StringSearcher searcher;
+    size_t needle_size;
+
+public:
+    TokenSearcher(const char * const needle_, const size_t needle_size_)
+        : searcher{needle_, needle_size_},
+          needle_size(needle_size_)
+    {
+        if (std::any_of(reinterpret_cast<const UInt8 *>(needle_), reinterpret_cast<const UInt8 *>(needle_) + needle_size_, isTokenSeparator))
+        {
+            throw Exception{"Needle must not contain whitespace or separator characters", ErrorCodes::BAD_ARGUMENTS};
+        }
+
+    }
+
+    ALWAYS_INLINE bool compare(const UInt8 * haystack, const UInt8 * haystack_end, const UInt8 * pos) const
+    {
+        // use searcher only if pos is in the beginning of token and pos + searcher.needle_size is end of token.
+        if (isToken(haystack, haystack_end, pos))
+            return searcher.compare(haystack, haystack_end, pos);
+
+        return false;
+    }
+
+    const UInt8 * search(const UInt8 * haystack, const UInt8 * const haystack_end) const
+    {
+        // use searcher.search(), then verify that returned value is a token
+        // if it is not, skip it and re-run
+
+        const UInt8 * pos = haystack;
+        while (pos < haystack_end)
+        {
+            pos = searcher.search(pos, haystack_end);
+            if (pos == haystack_end || isToken(haystack, haystack_end, pos))
+                return pos;
+
+            // assuming that heendle does not contain any token separators.
+            pos += needle_size;
+        }
+        return haystack_end;
+    }
+
+    const UInt8 * search(const UInt8 * haystack, const size_t haystack_size) const
+    {
+        return search(haystack, haystack + haystack_size);
+    }
+
+    ALWAYS_INLINE bool isToken(const UInt8 * haystack, const UInt8 * const haystack_end, const UInt8* p) const
+    {
+        return (p == haystack || isTokenSeparator(*(p - 1)))
+             && (p + needle_size >= haystack_end || isTokenSeparator(*(p + needle_size)));
+    }
+
+    ALWAYS_INLINE static bool isTokenSeparator(const UInt8 c)
+    {
+        if (isAlphaNumericASCII(c) || !isASCII(c))
+            return false;
+
+        return true;
+    }
+};
+
 
 using ASCIICaseSensitiveStringSearcher = StringSearcher<true, true>;
 using ASCIICaseInsensitiveStringSearcher = StringSearcher<false, true>;
 using UTF8CaseSensitiveStringSearcher = StringSearcher<true, false>;
 using UTF8CaseInsensitiveStringSearcher = StringSearcher<false, false>;
+using ASCIICaseSensitiveTokenSearcher = TokenSearcher<ASCIICaseSensitiveStringSearcher>;
+using ASCIICaseInsensitiveTokenSearcher = TokenSearcher<ASCIICaseInsensitiveStringSearcher>;
 
 
 /** Uses functions from libc.

dbms/src/Common/StudentTTest.cpp

@@ -0,0 +1,169 @@
+#include "StudentTTest.h"
+
+#include <cmath>
+#include <iostream>
+#include <iomanip>
+#include <sstream>
+#include <stdexcept>
+
+
+namespace
+{
+    /// First row corresponds to infinity size of distributions case
+    const double students_table[101][6] =
+    {
+        { 1.282, 1.645, 1.960, 2.326, 2.576, 3.090 },
+        { 3.078, 6.314, 12.706, 31.821, 63.657, 318.313 },
+        { 1.886, 2.920, 4.303, 6.965, 9.925, 22.327 },
+        { 1.638, 2.353, 3.182, 4.541, 5.841, 10.215 },
+        { 1.533, 2.132, 2.776, 3.747, 4.604, 7.173 },
+        { 1.476, 2.015, 2.571, 3.365, 4.032, 5.893 },
+        { 1.440, 1.943, 2.447, 3.143, 3.707, 5.208 },
+        { 1.415, 1.895, 2.365, 2.998, 3.499, 4.782 },
+        { 1.397, 1.860, 2.306, 2.896, 3.355, 4.499 },
+        { 1.383, 1.833, 2.262, 2.821, 3.250, 4.296 },
+        { 1.372, 1.812, 2.228, 2.764, 3.169, 4.143 },
+        { 1.363, 1.796, 2.201, 2.718, 3.106, 4.024 },
+        { 1.356, 1.782, 2.179, 2.681, 3.055, 3.929 },
+        { 1.350, 1.771, 2.160, 2.650, 3.012, 3.852 },
+        { 1.345, 1.761, 2.145, 2.624, 2.977, 3.787 },
+        { 1.341, 1.753, 2.131, 2.602, 2.947, 3.733 },
+        { 1.337, 1.746, 2.120, 2.583, 2.921, 3.686 },
+        { 1.333, 1.740, 2.110, 2.567, 2.898, 3.646 },
+        { 1.330, 1.734, 2.101, 2.552, 2.878, 3.610 },
+        { 1.328, 1.729, 2.093, 2.539, 2.861, 3.579 },
+        { 1.325, 1.725, 2.086, 2.528, 2.845, 3.552 },
+        { 1.323, 1.721, 2.080, 2.518, 2.831, 3.527 },
+        { 1.321, 1.717, 2.074, 2.508, 2.819, 3.505 },
+        { 1.319, 1.714, 2.069, 2.500, 2.807, 3.485 },
+        { 1.318, 1.711, 2.064, 2.492, 2.797, 3.467 },
+        { 1.316, 1.708, 2.060, 2.485, 2.787, 3.450 },
+        { 1.315, 1.706, 2.056, 2.479, 2.779, 3.435 },
+        { 1.314, 1.703, 2.052, 2.473, 2.771, 3.421 },
+        { 1.313, 1.701, 2.048, 2.467, 2.763, 3.408 },
+        { 1.311, 1.699, 2.045, 2.462, 2.756, 3.396 },
+        { 1.310, 1.697, 2.042, 2.457, 2.750, 3.385 },
+        { 1.309, 1.696, 2.040, 2.453, 2.744, 3.375 },
+        { 1.309, 1.694, 2.037, 2.449, 2.738, 3.365 },
+        { 1.308, 1.692, 2.035, 2.445, 2.733, 3.356 },
+        { 1.307, 1.691, 2.032, 2.441, 2.728, 3.348 },
+        { 1.306, 1.690, 2.030, 2.438, 2.724, 3.340 },
+        { 1.306, 1.688, 2.028, 2.434, 2.719, 3.333 },
+        { 1.305, 1.687, 2.026, 2.431, 2.715, 3.326 },
+        { 1.304, 1.686, 2.024, 2.429, 2.712, 3.319 },
+        { 1.304, 1.685, 2.023, 2.426, 2.708, 3.313 },
+        { 1.303, 1.684, 2.021, 2.423, 2.704, 3.307 },
+        { 1.303, 1.683, 2.020, 2.421, 2.701, 3.301 },
+        { 1.302, 1.682, 2.018, 2.418, 2.698, 3.296 },
+        { 1.302, 1.681, 2.017, 2.416, 2.695, 3.291 },
+        { 1.301, 1.680, 2.015, 2.414, 2.692, 3.286 },
+        { 1.301, 1.679, 2.014, 2.412, 2.690, 3.281 },
+        { 1.300, 1.679, 2.013, 2.410, 2.687, 3.277 },
+        { 1.300, 1.678, 2.012, 2.408, 2.685, 3.273 },
+        { 1.299, 1.677, 2.011, 2.407, 2.682, 3.269 },
+        { 1.299, 1.677, 2.010, 2.405, 2.680, 3.265 },
+        { 1.299, 1.676, 2.009, 2.403, 2.678, 3.261 },
+        { 1.298, 1.675, 2.008, 2.402, 2.676, 3.258 },
+        { 1.298, 1.675, 2.007, 2.400, 2.674, 3.255 },
+        { 1.298, 1.674, 2.006, 2.399, 2.672, 3.251 },
+        { 1.297, 1.674, 2.005, 2.397, 2.670, 3.248 },
+        { 1.297, 1.673, 2.004, 2.396, 2.668, 3.245 },
+        { 1.297, 1.673, 2.003, 2.395, 2.667, 3.242 },
+        { 1.297, 1.672, 2.002, 2.394, 2.665, 3.239 },
+        { 1.296, 1.672, 2.002, 2.392, 2.663, 3.237 },
+        { 1.296, 1.671, 2.001, 2.391, 2.662, 3.234 },
+        { 1.296, 1.671, 2.000, 2.390, 2.660, 3.232 },
+        { 1.296, 1.670, 2.000, 2.389, 2.659, 3.229 },
+        { 1.295, 1.670, 1.999, 2.388, 2.657, 3.227 },
+        { 1.295, 1.669, 1.998, 2.387, 2.656, 3.225 },
+        { 1.295, 1.669, 1.998, 2.386, 2.655, 3.223 },
+        { 1.295, 1.669, 1.997, 2.385, 2.654, 3.220 },
+        { 1.295, 1.668, 1.997, 2.384, 2.652, 3.218 },
+        { 1.294, 1.668, 1.996, 2.383, 2.651, 3.216 },
+        { 1.294, 1.668, 1.995, 2.382, 2.650, 3.214 },
+        { 1.294, 1.667, 1.995, 2.382, 2.649, 3.213 },
+        { 1.294, 1.667, 1.994, 2.381, 2.648, 3.211 },
+        { 1.294, 1.667, 1.994, 2.380, 2.647, 3.209 },
+        { 1.293, 1.666, 1.993, 2.379, 2.646, 3.207 },
+        { 1.293, 1.666, 1.993, 2.379, 2.645, 3.206 },
+        { 1.293, 1.666, 1.993, 2.378, 2.644, 3.204 },
+        { 1.293, 1.665, 1.992, 2.377, 2.643, 3.202 },
+        { 1.293, 1.665, 1.992, 2.376, 2.642, 3.201 },
+        { 1.293, 1.665, 1.991, 2.376, 2.641, 3.199 },
+        { 1.292, 1.665, 1.991, 2.375, 2.640, 3.198 },
+        { 1.292, 1.664, 1.990, 2.374, 2.640, 3.197 },
+        { 1.292, 1.664, 1.990, 2.374, 2.639, 3.195 },
+        { 1.292, 1.664, 1.990, 2.373, 2.638, 3.194 },
+        { 1.292, 1.664, 1.989, 2.373, 2.637, 3.193 },
+        { 1.292, 1.663, 1.989, 2.372, 2.636, 3.191 },
+        { 1.292, 1.663, 1.989, 2.372, 2.636, 3.190 },
+        { 1.292, 1.663, 1.988, 2.371, 2.635, 3.189 },
+        { 1.291, 1.663, 1.988, 2.370, 2.634, 3.188 },
+        { 1.291, 1.663, 1.988, 2.370, 2.634, 3.187 },
+        { 1.291, 1.662, 1.987, 2.369, 2.633, 3.185 },
+        { 1.291, 1.662, 1.987, 2.369, 2.632, 3.184 },
+        { 1.291, 1.662, 1.987, 2.368, 2.632, 3.183 },
+        { 1.291, 1.662, 1.986, 2.368, 2.631, 3.182 },
+        { 1.291, 1.662, 1.986, 2.368, 2.630, 3.181 },
+        { 1.291, 1.661, 1.986, 2.367, 2.630, 3.180 },
+        { 1.291, 1.661, 1.986, 2.367, 2.629, 3.179 },
+        { 1.291, 1.661, 1.985, 2.366, 2.629, 3.178 },
+        { 1.290, 1.661, 1.985, 2.366, 2.628, 3.177 },
+        { 1.290, 1.661, 1.985, 2.365, 2.627, 3.176 },
+        { 1.290, 1.661, 1.984, 2.365, 2.627, 3.175 },
+        { 1.290, 1.660, 1.984, 2.365, 2.626, 3.175 },
+        { 1.290, 1.660, 1.984, 2.364, 2.626, 3.174 },
+    };
+
+    const double confidence_level[6] = { 80, 90, 95, 98, 99, 99.5 };
+}
+
+
+void StudentTTest::clear()
+{
+    data[0].clear();
+    data[1].clear();
+}
+
+void StudentTTest::add(size_t distribution, double value)
+{
+    if (distribution > 1)
+        throw std::logic_error("Distribution number for Student's T-Test must be eigther 0 or 1");
+    data[distribution].add(value);
+}
+
+/// Confidence_level_index can be set in range [0, 5]. Corresponding values can be found above.
+std::pair<bool, std::string> StudentTTest::compareAndReport(size_t confidence_level_index) const
+{
+    if (confidence_level_index > 5)
+        confidence_level_index = 5;
+
+    if (data[0].size == 0 || data[1].size == 0)
+        return {true, ""};
+
+    size_t degrees_of_freedom = (data[0].size - 1) + (data[1].size - 1);
+
+    double table_value = students_table[degrees_of_freedom > 100 ? 0 : degrees_of_freedom][confidence_level_index];
+
+    double pooled_standard_deviation = sqrt(((data[0].size - 1) * data[0].var() + (data[1].size - 1) * data[1].var()) / degrees_of_freedom);
+
+    double t_statistic = pooled_standard_deviation * sqrt(1.0 / data[0].size + 1.0 / data[1].size);
+
+    double mean_difference = fabs(data[0].avg() - data[1].avg());
+
+    double mean_confidence_interval = table_value * t_statistic;
+
+    std::stringstream ss;
+    if (mean_difference > mean_confidence_interval && (mean_difference - mean_confidence_interval > 0.0001)) /// difference must be more than 0.0001, to take into account connection latency.
+    {
+        ss << "Difference at " << confidence_level[confidence_level_index] <<  "% confidence : ";
+        ss << std::fixed << std::setprecision(8) << "mean difference is " << mean_difference << ", but confidence interval is " << mean_confidence_interval;
+        return {false, ss.str()};
+    }
+    else
+    {
+        ss << "No difference proven at " << confidence_level[confidence_level_index] <<  "% confidence";
+        return {true, ss.str()};
+    }
+}
+

dbms/src/Common/StudentTTest.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <array>
+#include <string>
+#include <map>
+
+/**
+ * About:
+ * This is implementation of Independent two-sample t-test
+ * Read about it on https://en.wikipedia.org/wiki/Student%27s_t-test (Equal or unequal sample sizes, equal variance)
+ *
+ * Usage:
+ * It's it used to assume with some level of confidence that two distributions don't differ.
+ * Values can be added with t_test.add(0/1, value) and after compared and reported with compareAndReport().
+ */
+class StudentTTest
+{
+private:
+    struct DistributionData
+    {
+        size_t size = 0;
+        double sum = 0;
+        double squares_sum = 0;
+
+        void add(double value)
+        {
+            ++size;
+            sum += value;
+            squares_sum += value * value;
+        }
+
+        double avg() const
+        {
+            return sum / size;
+        }
+
+        double var() const
+        {
+            return (squares_sum - (sum * sum / size)) / static_cast<double>(size - 1);
+        }
+
+        void clear()
+        {
+            size = 0;
+            sum = 0;
+            squares_sum = 0;
+        }
+    };
+
+    std::array<DistributionData, 2> data {};
+
+public:
+    void clear();
+
+    void add(size_t distribution, double value);
+
+    /// Confidence_level_index can be set in range [0, 5]. Corresponding values can be found above. TODO: Trash - no separation of concepts in code.
+    std::pair<bool, std::string> compareAndReport(size_t confidence_level_index = 5) const;
+};

dbms/src/Common/TerminalSize.cpp

@@ -0,0 +1,37 @@
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <Common/Exception.h>
+#include <Common/TerminalSize.h>
+#include <boost/program_options.hpp>
+
+
+namespace DB::ErrorCodes
+{
+    extern const int SYSTEM_ERROR;
+}
+
+uint16_t getTerminalWidth()
+{
+    if (isatty(STDIN_FILENO))
+    {
+        winsize terminal_size {};
+
+        if (ioctl(STDIN_FILENO, TIOCGWINSZ, &terminal_size))
+            DB::throwFromErrno("Cannot obtain terminal window size (ioctl TIOCGWINSZ)", DB::ErrorCodes::SYSTEM_ERROR);
+
+        return terminal_size.ws_col;
+    }
+    return 0;
+}
+
+po::options_description createOptionsDescription(const std::string & caption, uint16_t terminal_width)
+{
+    unsigned line_length = po::options_description::m_default_line_length;
+    unsigned min_description_length = line_length / 2;
+    std::string longest_option_desc = "--http_native_compression_disable_checksumming_on_decompress";
+
+    line_length = std::max(static_cast<uint16_t>(longest_option_desc.size()), terminal_width);
+    min_description_length = std::min(min_description_length, line_length - 2);
+
+    return po::options_description(caption, line_length, min_description_length);
+}

dbms/src/Common/TerminalSize.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <string>
+#include <boost/program_options.hpp>
+
+
+namespace po = boost::program_options;
+
+
+uint16_t getTerminalWidth();
+
+/** Creates po::options_description with name and an appropriate size for option displaying
+ *  when program is called with option --help
+ * */
+po::options_description createOptionsDescription(const std::string &caption, unsigned short terminal_width);
+

dbms/src/Common/Volnitsky.h

@@ -327,6 +327,8 @@ protected:
     FallbackSearcher fallback_searcher;
 
 public:
+    using Searcher = FallbackSearcher;
+
     /** haystack_size_hint - the expected total size of the haystack for `search` calls. Optional (zero means unspecified).
       * If you specify it small enough, the fallback algorithm will be used,
       *  since it is considered that it's useless to waste time initializing the hash table.
@@ -373,7 +375,7 @@ public:
                 const auto res = pos - (hash[cell_num] - 1);
 
                 /// pointer in the code is always padded array so we can use pagesafe semantics
-                if (fallback_searcher.compare(res))
+                if (fallback_searcher.compare(haystack, haystack_end, res))
                     return res;
             }
         }
@@ -520,7 +522,7 @@ public:
                     {
                         const auto res = pos - (hash[cell_num].off - 1);
                         const size_t ind = hash[cell_num].id;
-                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(res))
+                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(haystack, haystack_end, res))
                             return true;
                     }
                 }
@@ -552,7 +554,7 @@ public:
                     {
                         const auto res = pos - (hash[cell_num].off - 1);
                         const size_t ind = hash[cell_num].id;
-                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(res))
+                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(haystack, haystack_end, res))
                             ans = std::min(ans, ind);
                     }
                 }
@@ -590,7 +592,7 @@ public:
                     {
                         const auto res = pos - (hash[cell_num].off - 1);
                         const size_t ind = hash[cell_num].id;
-                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(res))
+                        if (res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(haystack, haystack_end, res))
                             ans = std::min<UInt64>(ans, res - haystack);
                     }
                 }
@@ -625,7 +627,7 @@ public:
                     {
                         const auto * res = pos - (hash[cell_num].off - 1);
                         const size_t ind = hash[cell_num].id;
-                        if (ans[ind] == 0 && res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(res))
+                        if (ans[ind] == 0 && res + needles[ind].size <= haystack_end && fallback_searchers[ind].compare(haystack, haystack_end, res))
                             ans[ind] = count_chars(haystack, res);
                     }
                 }
@@ -650,6 +652,9 @@ using VolnitskyUTF8 = VolnitskyBase<true, false, ASCIICaseSensitiveStringSearche
 using VolnitskyCaseInsensitive = VolnitskyBase<false, true, ASCIICaseInsensitiveStringSearcher>; /// ignores non-ASCII bytes
 using VolnitskyCaseInsensitiveUTF8 = VolnitskyBase<false, false, UTF8CaseInsensitiveStringSearcher>;
 
+using VolnitskyCaseSensitiveToken = VolnitskyBase<true, true, ASCIICaseSensitiveTokenSearcher>;
+using VolnitskyCaseInsensitiveToken = VolnitskyBase<false, true, ASCIICaseInsensitiveTokenSearcher>;
+
 using MultiVolnitsky = MultiVolnitskyBase<true, true, ASCIICaseSensitiveStringSearcher>;
 using MultiVolnitskyUTF8 = MultiVolnitskyBase<true, false, ASCIICaseSensitiveStringSearcher>;
 using MultiVolnitskyCaseInsensitive = MultiVolnitskyBase<false, true, ASCIICaseInsensitiveStringSearcher>;

dbms/src/Common/ZooKeeper/CMakeLists.txt

@@ -4,7 +4,7 @@ add_headers_and_sources(clickhouse_common_zookeeper .)
 
 add_library(clickhouse_common_zookeeper ${clickhouse_common_zookeeper_headers} ${clickhouse_common_zookeeper_sources})
 
-target_link_libraries (clickhouse_common_zookeeper PUBLIC clickhouse_common_io common PRIVATE string_utils PUBLIC ${Poco_Util_LIBRARY} Threads::Threads)
+target_link_libraries (clickhouse_common_zookeeper PUBLIC clickhouse_common_io common PRIVATE string_utils PUBLIC ${Poco_Util_LIBRARY})
 target_include_directories(clickhouse_common_zookeeper PUBLIC ${DBMS_INCLUDE_DIR})
 
 if (ENABLE_TESTS)

dbms/src/Compression/CompressionCodecDelta.cpp

@@ -80,7 +80,7 @@ UInt32 CompressionCodecDelta::doCompressData(const char * source, UInt32 source_
 {
     UInt8 bytes_to_skip = source_size % delta_bytes_size;
     dest[0] = delta_bytes_size;
-    dest[1] = bytes_to_skip;
+    dest[1] = bytes_to_skip; /// unused (backward compatibility)
     memcpy(&dest[2], source, bytes_to_skip);
     size_t start_pos = 2 + bytes_to_skip;
     switch (delta_bytes_size)
@@ -101,10 +101,16 @@ UInt32 CompressionCodecDelta::doCompressData(const char * source, UInt32 source_
     return 1 + 1 + source_size;
 }
 
-void CompressionCodecDelta::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 /* uncompressed_size */) const
+void CompressionCodecDelta::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const
 {
+    if (source_size < 2)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
+
     UInt8 bytes_size = source[0];
-    UInt8 bytes_to_skip = source[1];
+    UInt8 bytes_to_skip = uncompressed_size % bytes_size;
+
+    if (UInt32(2 + bytes_to_skip) > source_size)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
 
     memcpy(dest, &source[2], bytes_to_skip);
     UInt32 source_size_no_header = source_size - bytes_to_skip - 2;

dbms/src/Compression/CompressionCodecDoubleDelta.cpp

@@ -304,7 +304,7 @@ UInt32 CompressionCodecDoubleDelta::doCompressData(const char * source, UInt32 s
 {
     UInt8 bytes_to_skip = source_size % data_bytes_size;
     dest[0] = data_bytes_size;
-    dest[1] = bytes_to_skip;
+    dest[1] = bytes_to_skip; /// unused (backward compatibility)
     memcpy(&dest[2], source, bytes_to_skip);
     size_t start_pos = 2 + bytes_to_skip;
     UInt32 compressed_size = 0;
@@ -328,10 +328,16 @@ UInt32 CompressionCodecDoubleDelta::doCompressData(const char * source, UInt32 s
     return 1 + 1 + compressed_size;
 }
 
-void CompressionCodecDoubleDelta::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 /* uncompressed_size */) const
+void CompressionCodecDoubleDelta::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const
 {
+    if (source_size < 2)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
+
     UInt8 bytes_size = source[0];
-    UInt8 bytes_to_skip = source[1];
+    UInt8 bytes_to_skip = uncompressed_size % bytes_size;
+
+    if (UInt32(2 + bytes_to_skip) > source_size)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
 
     memcpy(dest, &source[2], bytes_to_skip);
     UInt32 source_size_no_header = source_size - bytes_to_skip - 2;

dbms/src/Compression/CompressionCodecGorilla.cpp

@@ -264,7 +264,7 @@ UInt32 CompressionCodecGorilla::doCompressData(const char * source, UInt32 sourc
 {
     UInt8 bytes_to_skip = source_size % data_bytes_size;
     dest[0] = data_bytes_size;
-    dest[1] = bytes_to_skip;
+    dest[1] = bytes_to_skip; /// unused (backward compatibility)
     memcpy(&dest[2], source, bytes_to_skip);
     size_t start_pos = 2 + bytes_to_skip;
     UInt32 result_size = 0;
@@ -289,10 +289,16 @@ UInt32 CompressionCodecGorilla::doCompressData(const char * source, UInt32 sourc
     return 1 + 1 + result_size;
 }
 
-void CompressionCodecGorilla::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 /* uncompressed_size */) const
+void CompressionCodecGorilla::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const
 {
+    if (source_size < 2)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
+
     UInt8 bytes_size = source[0];
-    UInt8 bytes_to_skip = source[1];
+    UInt8 bytes_to_skip = uncompressed_size % bytes_size;
+
+    if (UInt32(2 + bytes_to_skip) > source_size)
+        throw Exception("Cannot decompress. File has wrong header", ErrorCodes::CANNOT_DECOMPRESS);
 
     memcpy(dest, &source[2], bytes_to_skip);
     UInt32 source_size_no_header = source_size - bytes_to_skip - 2;

dbms/src/Compression/CompressionCodecMultiple.cpp

@@ -88,6 +88,9 @@ void CompressionCodecMultiple::useInfoAboutType(DataTypePtr data_type)
 
 void CompressionCodecMultiple::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 decompressed_size) const
 {
+    if (source_size < 1 || !source[0])
+        throw Exception("Wrong compression methods list", ErrorCodes::CORRUPTED_DATA);
+
     UInt8 compression_methods_size = source[0];
 
     PODArray<char> compressed_buf(&source[compression_methods_size + 1], &source[source_size]);
@@ -103,7 +106,8 @@ void CompressionCodecMultiple::doDecompressData(const char * source, UInt32 sour
         UInt32 uncompressed_size = ICompressionCodec::readDecompressedBlockSize(compressed_buf.data());
 
         if (idx == 0 && uncompressed_size != decompressed_size)
-            throw Exception("Wrong final decompressed size in codec Multiple, got " + toString(uncompressed_size) + ", expected " + toString(decompressed_size), ErrorCodes::CORRUPTED_DATA);
+            throw Exception("Wrong final decompressed size in codec Multiple, got " + toString(uncompressed_size) +
+                ", expected " + toString(decompressed_size), ErrorCodes::CORRUPTED_DATA);
 
         uncompressed_buf.resize(uncompressed_size + codec->getAdditionalSizeAtTheEndOfBuffer());
         codec->decompress(compressed_buf.data(), source_size, uncompressed_buf.data());

dbms/src/Compression/ICompressionCodec.cpp

@@ -47,7 +47,7 @@ UInt32 ICompressionCodec::decompress(const char * source, UInt32 source_size, ch
         throw Exception("Can't decompress data with codec byte " + toString(method) + " from codec with byte " + toString(method), ErrorCodes::CANNOT_DECOMPRESS);
 
     UInt8 header_size = getHeaderSize();
-    UInt32 decompressed_size = unalignedLoad<UInt32>(&source[5]);
+    UInt32 decompressed_size = readDecompressedBlockSize(source);
     doDecompressData(&source[header_size], source_size - header_size, dest, decompressed_size);
 
     return decompressed_size;

dbms/src/Core/ExternalTable.cpp

@@ -160,7 +160,7 @@ void ExternalTablesHandler::handlePart(const Poco::Net::MessageHeader & header,
 
     /// Create table
     NamesAndTypesList columns = sample_block.getNamesAndTypesList();
-    StoragePtr storage = StorageMemory::create("_external", data.second, ColumnsDescription{columns});
+    StoragePtr storage = StorageMemory::create("_external", data.second, ColumnsDescription{columns}, ConstraintsDescription{});
     storage->startup();
     context.addExternalTable(data.second, storage);
     BlockOutputStreamPtr output = storage->write(ASTPtr(), context);

dbms/src/Core/Settings.h

@@ -42,7 +42,8 @@ struct Settings : public SettingsCollection<Settings>
       *  but we are not going to do it, because settings is used everywhere as static struct fields.
       */
 
-#define LIST_OF_SETTINGS(M) \
+/// M (mutable) for normal settings, IM (immutable) for not updateable settings.
+#define LIST_OF_SETTINGS(M, IM)                                            \
     M(SettingUInt64, min_compress_block_size, 65536, "The actual size of the block to compress, if the uncompressed data less than max_compress_block_size is no less than this value and no less than the volume of data for one mark.") \
     M(SettingUInt64, max_compress_block_size, 1048576, "The maximum size of blocks of uncompressed data before compressing for writing to a table.") \
     M(SettingUInt64, max_block_size, DEFAULT_BLOCK_SIZE, "Maximum block size for reading") \
@@ -60,7 +61,10 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingSeconds, receive_timeout, DBMS_DEFAULT_RECEIVE_TIMEOUT_SEC, "") \
     M(SettingSeconds, send_timeout, DBMS_DEFAULT_SEND_TIMEOUT_SEC, "") \
     M(SettingSeconds, tcp_keep_alive_timeout, 0, "") \
-    M(SettingMilliseconds, queue_max_wait_ms, 5000, "The wait time in the request queue, if the number of concurrent requests exceeds the maximum.") \
+    M(SettingMilliseconds, queue_max_wait_ms, 0, "The wait time in the request queue, if the number of concurrent requests exceeds the maximum.") \
+    M(SettingMilliseconds, connection_pool_max_wait_ms, 0, "The wait time when connection pool is full.") \
+    M(SettingMilliseconds, replace_running_query_max_wait_ms, 5000, "The wait time for running query with the same query_id to finish when setting 'replace_running_query' is active.") \
+    M(SettingMilliseconds, kafka_max_wait_ms, 5000, "The wait time for reading from Kafka before retry.") \
     M(SettingUInt64, poll_interval, DBMS_DEFAULT_POLL_INTERVAL, "Block at the query wait loop on the server for the specified number of seconds.") \
     M(SettingUInt64, idle_connection_timeout, 3600, "Close idle TCP connections after specified number of seconds.") \
     M(SettingUInt64, distributed_connections_pool_size, DBMS_DEFAULT_DISTRIBUTED_CONNECTIONS_POOL_SIZE, "Maximum number of connections with one remote server in the pool.") \
@@ -85,7 +89,6 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingTotalsMode, totals_mode, TotalsMode::AFTER_HAVING_EXCLUSIVE, "How to calculate TOTALS when HAVING is present, as well as when max_rows_to_group_by and group_by_overflow_mode = ‘any’ are present.") \
     M(SettingFloat, totals_auto_threshold, 0.5, "The threshold for totals_mode = 'auto'.") \
     \
-    M(SettingBool, compile, false, "Whether query compilation is enabled.") \
     M(SettingBool, allow_suspicious_low_cardinality_types, false, "In CREATE TABLE statement allows specifying LowCardinality modifier for types of small fixed size (8 or less). Enabling this may increase merge times and memory consumption.") \
     M(SettingBool, compile_expressions, false, "Compile some scalar functions and operators to native code.") \
     M(SettingUInt64, min_count_to_compile, 3, "The number of structurally identical queries before they are compiled.") \
@@ -302,7 +305,7 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingChar, format_csv_delimiter, ',', "The character to be considered as a delimiter in CSV data. If setting with a string, a string has to have a length of 1.") \
     M(SettingBool, format_csv_allow_single_quotes, 1, "If it is set to true, allow strings in single quotes.") \
     M(SettingBool, format_csv_allow_double_quotes, 1, "If it is set to true, allow strings in double quotes.") \
-    M(SettingBool, input_format_csv_unquoted_null_literal_as_null, false, "Consider unquoted NULL literal as \N") \
+    M(SettingBool, input_format_csv_unquoted_null_literal_as_null, false, "Consider unquoted NULL literal as \\N") \
     \
     M(SettingDateTimeInputFormat, date_time_input_format, FormatSettings::DateTimeInputFormat::Basic, "Method to read DateTime from text input formats. Possible values: 'basic' and 'best_effort'.") \
     M(SettingBool, log_profile_events, true, "Log query performance statistics into the query_log and query_thread_log.") \
@@ -333,7 +336,7 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingBool, external_table_functions_use_nulls, true, "If it is set to true, external table functions will implicitly use Nullable type if needed. Otherwise NULLs will be substituted with default values. Currently supported only for 'mysql' table function.") \
     M(SettingBool, allow_experimental_data_skipping_indices, false, "If it is set to true, data skipping indices can be used in CREATE TABLE/ALTER TABLE queries.") \
     \
-    M(SettingBool, experimental_use_processors, true, "Use processors pipeline.") \
+    M(SettingBool, experimental_use_processors, false, "Use processors pipeline.") \
     \
     M(SettingBool, allow_hyperscan, true, "Allow functions that use Hyperscan library. Disable to avoid potentially long compilation times and excessive resource usage.") \
     M(SettingBool, allow_simdjson, true, "Allow using simdjson library in 'JSON*' functions if AVX2 instructions are available. If disabled rapidjson will be used.") \
@@ -347,10 +350,12 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingSeconds, live_view_heartbeat_interval, DEFAULT_LIVE_VIEW_HEARTBEAT_INTERVAL_SEC, "The heartbeat interval in seconds to indicate live query is alive.") \
     M(SettingSeconds, temporary_live_view_timeout, DEFAULT_TEMPORARY_LIVE_VIEW_TIMEOUT_SEC, "Timeout after which temporary live view is deleted.") \
     M(SettingUInt64, max_live_view_insert_blocks_before_refresh, 64, "Limit maximum number of inserted blocks after which mergeable blocks are dropped and query is re-executed.") \
+    M(SettingUInt64, min_free_disk_space_for_temporary_data, 0, "The minimum disk space to keep while writing temporary data used in external sorting and aggregation.") \
     \
     /** Obsolete settings that do nothing but left for compatibility reasons. Remove each one after half a year of obsolescence. */ \
     \
     M(SettingBool, allow_experimental_low_cardinality_type, true, "Obsolete setting, does nothing. Will be removed after 2019-08-13") \
+    M(SettingBool, compile, false, "Whether query compilation is enabled. Will be removed after 2020-03-13") \
 
     DECLARE_SETTINGS_COLLECTION(LIST_OF_SETTINGS)
 

dbms/src/Core/SettingsCommon.h

@@ -17,6 +17,10 @@ class Field;
 class ReadBuffer;
 class WriteBuffer;
 
+namespace ErrorCodes
+{
+    extern const int IMMUTABLE_SETTING;
+}
 
 /** One setting for any type.
   * Stores a value within itself, as well as a flag - whether the value was changed.
@@ -304,6 +308,7 @@ private:
     Derived & castToDerived() { return *static_cast<Derived *>(this); }
     const Derived & castToDerived() const { return *static_cast<const Derived *>(this); }
 
+    using IsChangedFunction = bool (*)(const Derived &);
     using GetStringFunction = String (*)(const Derived &);
     using GetFieldFunction = Field (*)(const Derived &);
     using SetStringFunction = void (*)(Derived &, const String &);
@@ -314,9 +319,13 @@ private:
 
     struct MemberInfo
     {
-        size_t offset_of_changed;
+        IsChangedFunction is_changed;
         StringRef name;
         StringRef description;
+        /// Can be updated after first load for config/definition.
+        /// Non updatable settings can be `changed`,
+        /// if they were overwritten in config/definition.
+        const bool updateable;
         GetStringFunction get_string;
         GetFieldFunction get_field;
         SetStringFunction set_string;
@@ -325,7 +334,7 @@ private:
         DeserializeFunction deserialize;
         CastValueWithoutApplyingFunction cast_value_without_applying;
 
-        bool isChanged(const Derived & collection) const { return *reinterpret_cast<const bool*>(reinterpret_cast<const UInt8*>(&collection) + offset_of_changed); }
+        bool isChanged(const Derived & collection) const { return is_changed(collection); }
     };
 
     class MemberInfos
@@ -396,6 +405,7 @@ public:
         const_reference(const const_reference & src) = default;
         const StringRef & getName() const { return member->name; }
         const StringRef & getDescription() const { return member->description; }
+        bool isUpdateable() const { return member->updateable; }
         bool isChanged() const { return member->isChanged(*collection); }
         Field getValue() const { return member->get_field(*collection); }
         String getValueAsString() const { return member->get_string(*collection); }
@@ -415,6 +425,18 @@ public:
         reference(const const_reference & src) : const_reference(src) {}
         void setValue(const Field & value) { this->member->set_field(*const_cast<Derived *>(this->collection), value); }
         void setValue(const String & value) { this->member->set_string(*const_cast<Derived *>(this->collection), value); }
+        void updateValue(const Field & value)
+        {
+            if (!this->member->updateable)
+                throw Exception("Setting '" + this->member->name.toString() + "' is restricted for updates.", ErrorCodes::IMMUTABLE_SETTING);
+            setValue(value);
+        }
+        void updateValue(const String & value)
+        {
+            if (!this->member->updateable)
+                throw Exception("Setting '" + this->member->name.toString() + "' is restricted for updates.", ErrorCodes::IMMUTABLE_SETTING);
+            setValue(value);
+        }
     };
 
     /// Iterator to iterating through all the settings.
@@ -497,6 +519,15 @@ public:
     void set(size_t index, const String & value) { (*this)[index].setValue(value); }
     void set(const String & name, const String & value) { (*this)[name].setValue(value); }
 
+    /// Updates setting's value. Checks it' mutability.
+    void update(size_t index, const Field & value) { (*this)[index].updateValue(value); }
+
+    void update(const String & name, const Field & value) { (*this)[name].updateValue(value); }
+
+    void update(size_t index, const String & value) { (*this)[index].updateValue(value); }
+
+    void update(const String & name, const String & value) { (*this)[name].updateValue(value); }
+
     /// Returns value of a setting.
     Field get(size_t index) const { return (*this)[index].getValue(); }
     Field get(const String & name) const { return (*this)[name].getValue(); }
@@ -560,18 +591,35 @@ public:
         return found_changes;
     }
 
-    /// Applies changes to the settings.
+    /// Applies change to the settings. Doesn't check settings mutability.
-    void applyChange(const SettingChange & change)
+    void loadFromChange(const SettingChange & change)
     {
         set(change.name, change.value);
     }
 
-    void applyChanges(const SettingsChanges & changes)
+    /// Applies changes to the settings. Should be used in initial settings loading.
+    /// (on table creation or loading from config)
+    void loadFromChanges(const SettingsChanges & changes)
     {
         for (const SettingChange & change : changes)
-            applyChange(change);
+            loadFromChange(change);
     }
 
+    /// Applies change to the settings, checks settings mutability.
+    void updateFromChange(const SettingChange & change)
+    {
+        update(change.name, change.value);
+    }
+
+    /// Applies changes to the settings. Should be used for settigns update.
+    /// (ALTER MODIFY SETTINGS)
+    void updateFromChanges(const SettingsChanges & changes)
+    {
+        for (const SettingChange & change : changes)
+            updateFromChange(change);
+    }
+
+
     void copyChangesFrom(const Derived & src)
     {
         for (const auto & member : members())
@@ -615,7 +663,7 @@ public:
 };
 
 #define DECLARE_SETTINGS_COLLECTION(LIST_OF_SETTINGS_MACRO) \
-    LIST_OF_SETTINGS_MACRO(DECLARE_SETTINGS_COLLECTION_DECLARE_VARIABLES_HELPER_)
+    LIST_OF_SETTINGS_MACRO(DECLARE_SETTINGS_COLLECTION_DECLARE_VARIABLES_HELPER_, DECLARE_SETTINGS_COLLECTION_DECLARE_VARIABLES_HELPER_)
 
 
 #define IMPLEMENT_SETTINGS_COLLECTION(DERIVED_CLASS_NAME, LIST_OF_SETTINGS_MACRO) \
@@ -625,9 +673,9 @@ public:
         using Derived = DERIVED_CLASS_NAME; \
         struct Functions \
         { \
-            LIST_OF_SETTINGS_MACRO(IMPLEMENT_SETTINGS_COLLECTION_DEFINE_FUNCTIONS_HELPER_) \
+            LIST_OF_SETTINGS_MACRO(IMPLEMENT_SETTINGS_COLLECTION_DEFINE_FUNCTIONS_HELPER_, IMPLEMENT_SETTINGS_COLLECTION_DEFINE_FUNCTIONS_HELPER_) \
         }; \
-        LIST_OF_SETTINGS_MACRO(IMPLEMENT_SETTINGS_COLLECTION_ADD_MEMBER_INFO_HELPER_) \
+        LIST_OF_SETTINGS_MACRO(IMPLEMENT_SETTINGS_COLLECTION_ADD_MUTABLE_MEMBER_INFO_HELPER_, IMPLEMENT_SETTINGS_COLLECTION_ADD_IMMUTABLE_MEMBER_INFO_HELPER_) \
     }
 
 
@@ -645,13 +693,19 @@ public:
     static Field NAME##_castValueWithoutApplying(const Field & value) { TYPE temp{DEFAULT}; temp.set(value); return temp.toField(); }
 
 
-#define IMPLEMENT_SETTINGS_COLLECTION_ADD_MEMBER_INFO_HELPER_(TYPE, NAME, DEFAULT, DESCRIPTION) \
+#define IMPLEMENT_SETTINGS_COLLECTION_ADD_MUTABLE_MEMBER_INFO_HELPER_(TYPE, NAME, DEFAULT, DESCRIPTION) \
-    static_assert(std::is_same_v<decltype(std::declval<Derived>().NAME.changed), bool>); \
+    add({[](const Derived & d) { return d.NAME.changed; },          \
-    add({offsetof(Derived, NAME.changed), \
+         StringRef(#NAME, strlen(#NAME)), StringRef(DESCRIPTION, strlen(DESCRIPTION)), true, \
-         StringRef(#NAME, strlen(#NAME)), StringRef(#DESCRIPTION, strlen(#DESCRIPTION)), \
          &Functions::NAME##_getString, &Functions::NAME##_getField, \
          &Functions::NAME##_setString, &Functions::NAME##_setField, \
          &Functions::NAME##_serialize, &Functions::NAME##_deserialize, \
          &Functions::NAME##_castValueWithoutApplying });
 
+#define IMPLEMENT_SETTINGS_COLLECTION_ADD_IMMUTABLE_MEMBER_INFO_HELPER_(TYPE, NAME, DEFAULT, DESCRIPTION) \
+    add({[](const Derived & d) { return d.NAME.changed; },              \
+        StringRef(#NAME, strlen(#NAME)), StringRef(DESCRIPTION, strlen(DESCRIPTION)), false, \
+        &Functions::NAME##_getString, &Functions::NAME##_getField, \
+        &Functions::NAME##_setString, &Functions::NAME##_setField, \
+        &Functions::NAME##_serialize, &Functions::NAME##_deserialize, \
+        &Functions::NAME##_castValueWithoutApplying });
 }

dbms/src/DataStreams/CheckConstraintsBlockOutputStream.cpp

@@ -1,34 +1,86 @@
+#include <DataStreams/ExpressionBlockInputStream.h>
 #include <DataStreams/CheckConstraintsBlockOutputStream.h>
-#include <Functions/FunctionHelpers.h>
-#include <common/find_symbols.h>
 #include <Parsers/formatAST.h>
 #include <Columns/ColumnsCommon.h>
+#include <Common/assert_cast.h>
+#include <Common/FieldVisitors.h>
+
 
 namespace DB
 {
 
+namespace ErrorCodes
+{
+    extern const int VIOLATED_CONSTRAINT;
+}
+
+
+CheckConstraintsBlockOutputStream::CheckConstraintsBlockOutputStream(
+    const String & table_,
+    const BlockOutputStreamPtr & output_,
+    const Block & header_,
+    const ConstraintsDescription & constraints_,
+    const Context & context_)
+    : table(table_),
+    output(output_),
+    header(header_),
+    constraints(constraints_),
+    expressions(constraints_.getExpressions(context_, header.getNamesAndTypesList()))
+{
+}
+
+
 void CheckConstraintsBlockOutputStream::write(const Block & block)
 {
-    for (size_t i = 0; i < expressions.size(); ++i)
+    if (block.rows() > 0)
     {
-        Block res = block;
+        Block block_to_calculate = block;
-        auto constraint_expr = expressions[i];
+        for (size_t i = 0; i < expressions.size(); ++i)
-        auto res_column_uint8 = executeOnBlock(res, constraint_expr);
-        if (!memoryIsByte(res_column_uint8->getRawDataBegin<1>(), res_column_uint8->byteSize(), 0x1))
         {
-            auto indices_wrong = findAllWrong(res_column_uint8->getRawDataBegin<1>(), res_column_uint8->byteSize());
+            auto constraint_expr = expressions[i];
-            std::string indices_str = "{";
-            for (size_t j = 0; j < indices_wrong.size(); ++j)
-            {
-                indices_str += std::to_string(indices_wrong[j]);
-                indices_str += (j != indices_wrong.size() - 1) ? ", " : "}";
-            }
 
-            throw Exception{"Violated constraint " + constraints.constraints[i]->name +
+            constraint_expr->execute(block_to_calculate);
-                            " in table " + table + " at indices " + indices_str + ", constraint expression: " +
+            ColumnWithTypeAndName res_column = block_to_calculate.getByPosition(block_to_calculate.columns() - 1);
-                            serializeAST(*(constraints.constraints[i]->expr), true), ErrorCodes::VIOLATED_CONSTRAINT};
+            const ColumnUInt8 & res_column_uint8 = assert_cast<const ColumnUInt8 &>(*res_column.column);
+
+            const UInt8 * data = res_column_uint8.getData().data();
+            size_t size = res_column_uint8.size();
+
+            /// Is violated.
+            if (!memoryIsByte(data, size, 1))
+            {
+                size_t row_idx = 0;
+                for (; row_idx < size; ++row_idx)
+                    if (data[row_idx] != 1)
+                        break;
+
+                Names related_columns = constraint_expr->getRequiredColumns();
+
+                std::stringstream exception_message;
+
+                exception_message << "Constraint " << backQuote(constraints.constraints[i]->name)
+                    << " for table " << backQuote(table)
+                    << " is violated at row " << (rows_written + row_idx + 1)
+                    << ". Expression: (" << serializeAST(*(constraints.constraints[i]->expr), true) << ")"
+                    << ". Column values";
+
+                bool first = true;
+                for (const auto & name : related_columns)
+                {
+                    const IColumn & column = *block.getByName(name).column;
+                    assert(row_idx < column.size());
+
+                    exception_message << (first ? ": " : ", ")
+                        << backQuoteIfNeed(name) << " = " << applyVisitor(FieldVisitorToString(), column[row_idx]);
+
+                    first = false;
+                }
+
+                throw Exception{exception_message.str(), ErrorCodes::VIOLATED_CONSTRAINT};
+            }
         }
     }
+
     output->write(block);
     rows_written += block.rows();
 }
@@ -48,32 +100,4 @@ void CheckConstraintsBlockOutputStream::writeSuffix()
     output->writeSuffix();
 }
 
-const ColumnUInt8 *CheckConstraintsBlockOutputStream::executeOnBlock(
-        Block & block,
-        const ExpressionActionsPtr & constraint)
-{
-    constraint->execute(block);
-    ColumnWithTypeAndName res_column = block.safeGetByPosition(block.columns() - 1);
-    return checkAndGetColumn<ColumnUInt8>(res_column.column.get());
-}
-
-std::vector<size_t> CheckConstraintsBlockOutputStream::findAllWrong(const void *data, size_t size)
-{
-    std::vector<size_t> res;
-
-    if (size == 0)
-        return res;
-
-    auto ptr = reinterpret_cast<const uint8_t *>(data);
-
-    for (size_t i = 0; i < size; ++i)
-    {
-        if (*(ptr + i) == 0x0)
-        {
-            res.push_back(i);
-        }
-    }
-
-    return res;
-}
 }

dbms/src/DataStreams/CheckConstraintsBlockOutputStream.h

@@ -2,16 +2,14 @@
 
 #include <DataStreams/IBlockOutputStream.h>
 #include <Storages/ConstraintsDescription.h>
-#include <DataStreams/OneBlockInputStream.h>
+
-#include <DataStreams/ExpressionBlockInputStream.h>
 
 namespace DB
 {
 
-namespace ErrorCodes
+/** Check for constraints violation. If anything is found - throw an exception with detailed error message.
-{
+  * Otherwise just pass block to output unchanged.
-    extern const int VIOLATED_CONSTRAINT;
+  */
-}
 
 class CheckConstraintsBlockOutputStream : public IBlockOutputStream
 {
@@ -21,14 +19,7 @@ public:
             const BlockOutputStreamPtr & output_,
             const Block & header_,
             const ConstraintsDescription & constraints_,
-            const Context & context_)
+            const Context & context_);
-            : table(table_),
-              output(output_),
-              header(header_),
-              constraints(constraints_),
-              expressions(constraints_.getExpressions(context_, header.getNamesAndTypesList())),
-              rows_written(0)
-    { }
 
     Block getHeader() const override { return header; }
     void write(const Block & block) override;
@@ -39,14 +30,11 @@ public:
     void writeSuffix() override;
 
 private:
-    const ColumnUInt8* executeOnBlock(Block & block, const ExpressionActionsPtr & constraint);
-    std::vector<size_t> findAllWrong(const void *data, size_t size);
-
     String table;
     BlockOutputStreamPtr output;
     Block header;
     const ConstraintsDescription constraints;
     const ConstraintsExpressions expressions;
-    size_t rows_written;
+    size_t rows_written = 0;
 };
 }

dbms/src/DataStreams/MergeSortingBlockInputStream.cpp

@@ -4,6 +4,7 @@
 #include <DataStreams/copyData.h>
 #include <DataStreams/processConstants.h>
 #include <Common/formatReadable.h>
+#include <common/config_common.h>
 #include <IO/WriteBufferFromFile.h>
 #include <Compression/CompressedWriteBuffer.h>
 #include <Interpreters/sortBlock.h>
@@ -21,10 +22,11 @@ namespace DB
 MergeSortingBlockInputStream::MergeSortingBlockInputStream(
     const BlockInputStreamPtr & input, SortDescription & description_,
     size_t max_merged_block_size_, UInt64 limit_, size_t max_bytes_before_remerge_,
-    size_t max_bytes_before_external_sort_, const std::string & tmp_path_)
+    size_t max_bytes_before_external_sort_, const std::string & tmp_path_, size_t min_free_disk_space_)
     : description(description_), max_merged_block_size(max_merged_block_size_), limit(limit_),
     max_bytes_before_remerge(max_bytes_before_remerge_),
-    max_bytes_before_external_sort(max_bytes_before_external_sort_), tmp_path(tmp_path_)
+    max_bytes_before_external_sort(max_bytes_before_external_sort_), tmp_path(tmp_path_),
+    min_free_disk_space(min_free_disk_space_)
 {
     children.push_back(input);
     header = children.at(0)->getHeader();
@@ -77,6 +79,12 @@ Block MergeSortingBlockInputStream::readImpl()
               */
             if (max_bytes_before_external_sort && sum_bytes_in_blocks > max_bytes_before_external_sort)
             {
+#if !UNBUNDLED
+                auto free_space = Poco::File(tmp_path).freeSpace();
+                if (sum_bytes_in_blocks + min_free_disk_space > free_space)
+                    throw Exception("Not enough space for external sort in " + tmp_path, ErrorCodes::NOT_ENOUGH_SPACE);
+#endif
+
                 Poco::File(tmp_path).createDirectories();
                 temporary_files.emplace_back(std::make_unique<Poco::TemporaryFile>(tmp_path));
                 const std::string & path = temporary_files.back()->path();

dbms/src/DataStreams/MergeSortingBlockInputStream.h

@@ -18,6 +18,10 @@
 namespace DB
 {
 
+namespace ErrorCodes
+{
+    extern const int NOT_ENOUGH_SPACE;
+}
 /** Merges stream of sorted each-separately blocks to sorted as-a-whole stream of blocks.
   * If data to sort is too much, could use external sorting, with temporary files.
   */
@@ -73,7 +77,8 @@ public:
     MergeSortingBlockInputStream(const BlockInputStreamPtr & input, SortDescription & description_,
         size_t max_merged_block_size_, UInt64 limit_,
         size_t max_bytes_before_remerge_,
-        size_t max_bytes_before_external_sort_, const std::string & tmp_path_);
+        size_t max_bytes_before_external_sort_, const std::string & tmp_path_,
+        size_t min_free_disk_space_);
 
     String getName() const override { return "MergeSorting"; }
 
@@ -93,6 +98,7 @@ private:
     size_t max_bytes_before_remerge;
     size_t max_bytes_before_external_sort;
     const std::string tmp_path;
+    size_t min_free_disk_space;
 
     Logger * log = &Logger::get("MergeSortingBlockInputStream");
 

dbms/src/DataStreams/TTLBlockInputStream.cpp

@@ -69,22 +69,19 @@ bool TTLBlockInputStream::isTTLExpired(time_t ttl)
 
 Block TTLBlockInputStream::readImpl()
 {
+    /// Skip all data if table ttl is expired for part
+    if (storage.hasTableTTL() && isTTLExpired(old_ttl_infos.table_ttl.max))
+    {
+        rows_removed = data_part->rows_count;
+        return {};
+    }
+
     Block block = children.at(0)->read();
     if (!block)
         return block;
 
-    if (storage.hasTableTTL())
+    if (storage.hasTableTTL() && (force || isTTLExpired(old_ttl_infos.table_ttl.min)))
-    {
+        removeRowsWithExpiredTableTTL(block);
-        /// Skip all data if table ttl is expired for part
-        if (isTTLExpired(old_ttl_infos.table_ttl.max))
-        {
-            rows_removed = data_part->rows_count;
-            return {};
-        }
-
-        if (force || isTTLExpired(old_ttl_infos.table_ttl.min))
-            removeRowsWithExpiredTableTTL(block);
-    }
 
     removeValuesWithExpiredColumnTTL(block);
 
@@ -94,9 +91,9 @@ Block TTLBlockInputStream::readImpl()
 void TTLBlockInputStream::readSuffixImpl()
 {
     for (const auto & elem : new_ttl_infos.columns_ttl)
-        new_ttl_infos.updatePartMinTTL(elem.second.min);
+        new_ttl_infos.updatePartMinMaxTTL(elem.second.min, elem.second.max);
 
-    new_ttl_infos.updatePartMinTTL(new_ttl_infos.table_ttl.min);
+    new_ttl_infos.updatePartMinMaxTTL(new_ttl_infos.table_ttl.min, new_ttl_infos.table_ttl.max);
 
     data_part->ttl_infos = std::move(new_ttl_infos);
     data_part->empty_columns = std::move(empty_columns);