mirror of
https://github.com/MaskRay/ccls.git
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273 lines
9.4 KiB
CMake
273 lines
9.4 KiB
CMake
cmake_minimum_required(VERSION 3.1)
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project(ccls LANGUAGES CXX)
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/)
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include(DefaultCMakeBuildType)
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# Required Clang version
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set(CLANG_VERSION 6.0.0 CACHE STRING "Clang version")
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set(CLANG_DOWNLOAD_LOCATION ${CMAKE_BINARY_DIR}
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CACHE STRING "Downloaded Clang location")
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option(SYSTEM_CLANG "Use system installation of Clang instead of \
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downloading Clang" OFF)
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option(ASAN "Compile with address sanitizers" OFF)
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# Sources for the executable are specified at end of CMakeLists.txt
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add_executable(ccls "")
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### Compile options
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# CMake default compile flags:
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# MSVC + Clang(Windows):
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# debug: /MDd /Zi /Ob0 /Od /RTC1
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# release: /MD /O2 /Ob2 /DNDEBUG
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# GCC + Clang(Linux):
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# debug: -g
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# release: -O3 -DNDEBUG
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# Enable C++17 (Required)
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set_property(TARGET ccls PROPERTY CXX_STANDARD 17)
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set_property(TARGET ccls PROPERTY CXX_STANDARD_REQUIRED ON)
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# Disable gnu extensions except for Cygwin which needs them to build properly
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if(NOT CYGWIN)
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set_property(TARGET ccls PROPERTY CXX_EXTENSIONS OFF)
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endif()
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# CMake sets MSVC for both MSVC and Clang(Windows)
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if(MSVC)
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# Common MSVC/Clang(Windows) options
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target_compile_options(ccls PRIVATE
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/nologo
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/EHsc
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/W3 # roughly -Wall
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/wd4996 # disable loguru unsafe warnings
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/wd4722 # ignores warning C4722
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# (destructor never returns) in loguru
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/wd4267 # ignores warning C4267
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# (conversion from 'size_t' to 'type'),
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# roughly -Wno-sign-compare
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/wd4800
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$<$<CONFIG:Debug>:/FS>
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)
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else()
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# Common GCC/Clang(Linux) options
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target_compile_options(ccls PRIVATE
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-Wall
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-Wno-sign-compare
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)
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
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target_compile_options(ccls PRIVATE -Wno-return-type -Wno-unused-result)
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endif()
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
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target_compile_options(ccls PRIVATE
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$<$<CONFIG:Debug>:-fno-limit-debug-info>)
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endif()
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if(ASAN)
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target_compile_options(ccls PRIVATE -fsanitize=address,undefined)
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# target_link_libraries also takes linker flags
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target_link_libraries(ccls PRIVATE -fsanitize=address,undefined)
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endif()
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endif()
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### Download Clang if required
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if(NOT SYSTEM_CLANG)
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message(STATUS "Using downloaded Clang")
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include(DownloadAndExtractClang)
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download_and_extract_clang(${CLANG_VERSION} ${CLANG_DOWNLOAD_LOCATION})
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# Used by FindClang
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set(CLANG_ROOT ${DOWNLOADED_CLANG_DIR})
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else()
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message(STATUS "Using system Clang")
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endif()
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### Libraries
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# See cmake/FindClang.cmake
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find_package(Clang ${CLANG_VERSION} REQUIRED)
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target_link_libraries(ccls PRIVATE Clang::Clang)
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# Enable threading support
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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target_link_libraries(ccls PRIVATE Threads::Threads)
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if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
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target_link_libraries(ccls PRIVATE -lstdc++fs)
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elseif(MSVC)
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else()
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# e.g. Darwin, FreeBSD
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target_link_libraries(ccls PRIVATE -lc++experimental)
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endif()
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if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
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# loguru calls dladdr
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target_link_libraries(ccls PRIVATE ${CMAKE_DL_LIBS})
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
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# loguru::stacktrace_as_stdstring calls backtrace_symbols
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# sparsepp/spp_memory.h uses libkvm
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# src/platform_posix.cc uses libthr
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find_package(Backtrace REQUIRED)
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target_link_libraries(ccls PRIVATE ${Backtrace_LIBRARIES} kvm thr)
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
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# sparsepp/spp_memory.h uses LibPsapi
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target_link_libraries(ccls PRIVATE Psapi)
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endif()
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### Definitions
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target_compile_definitions(ccls PRIVATE
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LOGURU_WITH_STREAMS=1
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LOGURU_FILENAME_WIDTH=18
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LOGURU_THREADNAME_WIDTH=13
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DEFAULT_RESOURCE_DIRECTORY="${Clang_RESOURCE_DIR}")
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### Includes
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target_include_directories(ccls PRIVATE
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src
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third_party
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third_party/rapidjson/include
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third_party/sparsepp
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third_party/loguru
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third_party/doctest)
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### Install
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install(TARGETS ccls RUNTIME DESTINATION bin)
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# TODO: install libclang.dll on Windows as well
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if(NOT SYSTEM_CLANG AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL Windows)
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if(${CMAKE_SYSTEM_NAME} MATCHES Linux|FreeBSD)
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set_property(TARGET ccls APPEND PROPERTY
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INSTALL_RPATH $ORIGIN/../lib)
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
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set_property(TARGET ccls APPEND PROPERTY
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INSTALL_RPATH @loader_path/../lib)
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endif()
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file(GLOB LIBCLANG_PLUS_SYMLINKS
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${DOWNLOADED_CLANG_DIR}/lib/libclang.[so,dylib]*)
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install(FILES ${LIBCLANG_PLUS_SYMLINKS} DESTINATION lib)
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endif()
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# Allow running from build Windows by copying libclang.dll to build directory
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if(NOT SYSTEM_CLANG AND ${CMAKE_SYSTEM_NAME} STREQUAL Windows)
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add_custom_command(TARGET ccls
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy
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${DOWNLOADED_CLANG_DIR}/bin/libclang.dll
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$<TARGET_FILE_DIR:ccls>
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COMMENT "Copying libclang.dll to build directory ...")
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endif()
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### Tools
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# We use glob here since source files are already manually added with
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# target_sources further down
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file(GLOB SOURCES src/*.cc src/*.h src/serializers/*.cc src/serializers/*.h
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src/messages/*.h src/messages/*.cc)
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if(Clang_FORMAT AND ${Clang_VERSION} STREQUAL 6.0.0)
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add_custom_target(format
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COMMAND ${Clang_FORMAT} -i ${SOURCES}
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# .clang-format is located in the ccls root project dir
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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COMMENT "Running clang-format ...")
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else()
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# Set error message depending on which condition was false
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if (NOT Clang_FORMAT)
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set(Clang_FORMAT_ERROR "Error: clang-format executable not found")
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elseif(NOT ${Clang_VERSION} STREQUAL 6.0.0)
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set(Clang_FORMAT_ERROR "Error: clang-format version does not match \
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6.0.0. Due to differences in clang-format output between versions we only \
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support clang-format 6.0.0")
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endif()
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add_custom_target(format
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COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --red --bold
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${Clang_FORMAT_ERROR})
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endif()
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### Sources
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target_sources(ccls PRIVATE third_party/siphash.cc)
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target_sources(ccls PRIVATE
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src/cache_manager.cc
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src/clang_complete.cc
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src/clang_cursor.cc
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src/clang_indexer.cc
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src/clang_translation_unit.cc
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src/clang_utils.cc
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src/command_line.cc
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src/config.cc
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src/diagnostics_engine.cc
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src/file_consumer.cc
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src/filesystem.cc
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src/fuzzy_match.cc
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src/import_pipeline.cc
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src/include_complete.cc
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src/method.cc
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src/language.cc
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src/lex_utils.cc
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src/lsp.cc
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src/match.cc
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src/message_handler.cc
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src/platform_posix.cc
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src/platform_win.cc
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src/port.cc
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src/position.cc
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src/project.cc
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src/query_utils.cc
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src/query.cc
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src/queue_manager.cc
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src/serializer.cc
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src/test.cc
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src/third_party_impl.cc
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src/timer.cc
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src/type_printer.cc
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src/utils.cc
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src/working_files.cc)
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target_sources(ccls PRIVATE
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src/messages/ccls_base.cc
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src/messages/ccls_call_hierarchy.cc
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src/messages/ccls_callers.cc
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src/messages/ccls_derived.cc
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src/messages/ccls_file_info.cc
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src/messages/ccls_freshen_index.cc
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src/messages/ccls_index_file.cc
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src/messages/ccls_inheritance_hierarchy.cc
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src/messages/ccls_member_hierarchy.cc
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src/messages/ccls_random.cc
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src/messages/ccls_vars.cc
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src/messages/exit.cc
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src/messages/initialize.cc
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src/messages/shutdown.cc
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src/messages/text_document_code_lens.cc
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src/messages/text_document_completion.cc
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src/messages/text_document_definition.cc
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src/messages/text_document_did_change.cc
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src/messages/text_document_did_close.cc
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src/messages/text_document_did_open.cc
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src/messages/text_document_did_save.cc
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src/messages/text_document_document_highlight.cc
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src/messages/text_document_document_symbol.cc
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src/messages/text_document_hover.cc
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src/messages/text_document_references.cc
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src/messages/text_document_rename.cc
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src/messages/text_document_signature_help.cc
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src/messages/text_document_type_definition.cc
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src/messages/workspace_did_change_configuration.cc
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src/messages/workspace_did_change_watched_files.cc
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src/messages/workspace_symbol.cc
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)
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