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function(stdgpu_setup_clang_format)
if(STDGPU_ALLOW_NEWER_CLANG_FORMAT_VERSIONS)
find_package(ClangFormat 10)
else()
find_package(ClangFormat 10 EXACT)
endif()
if (NOT ClangFormat_FOUND)
return()
endif()
foreach(FILE_EXT IN ITEMS ".h" ".cuh" ".cpp" ".cu" ".hip" ".inc")
foreach(FILE_DIR IN ITEMS "src/stdgpu" "examples" "benchmark/stdgpu" "test/stdgpu" "test/install_test")
file(GLOB_RECURSE SOURCE_FILES_PART LIST_DIRECTORIES FALSE "${FILE_DIR}/*${FILE_EXT}")
list(APPEND SOURCE_FILES ${SOURCE_FILES_PART})
endforeach()
# Collect remaining files in test
file(GLOB SOURCE_FILES_PART LIST_DIRECTORIES FALSE "test/test_*${FILE_EXT}")
list(APPEND SOURCE_FILES ${SOURCE_FILES_PART})
endforeach()
list(SORT SOURCE_FILES)
foreach(FILE IN LISTS SOURCE_FILES)
file(RELATIVE_PATH FILE_REL_PATH "${CMAKE_CURRENT_SOURCE_DIR}" "${FILE}")
if(STDGPU_COMPILE_WARNING_AS_ERROR)
set(STDGPU_CLANG_FORMAT_ERROR_FLAG "--Werror")
endif()
# Output file will not be generated by clang-format, so the command is always run
set(DUMMY_CHECK_FILE "${CMAKE_CURRENT_BINARY_DIR}/${FILE_REL_PATH}.check")
add_custom_command(OUTPUT "${DUMMY_CHECK_FILE}"
COMMAND ClangFormat::ClangFormat "--style=file" "--dry-run" ${STDGPU_CLANG_FORMAT_ERROR_FLAG} "${FILE}"
COMMENT "Checking code style of ${FILE_REL_PATH}"
VERBATIM)
list(APPEND ALL_DUMMY_CHECK_FILES "${DUMMY_CHECK_FILE}")
# Output file will not be generated by clang-format, so the command is always run
set(DUMMY_FORMATTED_FILE "${CMAKE_CURRENT_BINARY_DIR}/${FILE_REL_PATH}.formatted")
add_custom_command(OUTPUT "${DUMMY_FORMATTED_FILE}"
COMMAND ClangFormat::ClangFormat "--style=file" "-i" "${FILE}"
COMMENT "Applying code style for ${FILE_REL_PATH}"
VERBATIM)
list(APPEND ALL_DUMMY_FORMATTED_FILES "${DUMMY_FORMATTED_FILE}")
endforeach()
add_custom_target(check_code_style
DEPENDS "${ALL_DUMMY_CHECK_FILES}")
add_custom_target(apply_code_style
DEPENDS "${ALL_DUMMY_FORMATTED_FILES}")
endfunction()
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