diff --git a/Clang.cmake b/Clang.cmake new file mode 100644 index 0000000..fec99d1 --- /dev/null +++ b/Clang.cmake @@ -0,0 +1,65 @@ +function(clang_format) + cmake_parse_arguments( + PARSE_ARGV 0 + _CLANG_FORMAT + "DEPENDENCY;GLOBAL" + "REGEX" + "TARGETS" + ) + + find_program(CLANG_FORMAT_BIN "clang-format" DOC "Path (or name) of the clang-format binary") + if(NOT CLANG_FORMAT_BIN) + message(WARNING "Clang: Could not find clang-format at path '${CLANG_FORMAT_BIN}'. Disabling clang-format...") + return() + endif() + + if(NOT _CLANG_FORMAT_FILTER) + set(_CLANG_FORMAT_FILTER "\.(h|hpp|c|cpp)$") + endif() + + foreach(_target ${_CLANG_FORMAT_TARGETS}) +# get_target_property(target_name ${_target} NAME) + + get_target_property(target_sources_rel ${_target} SOURCES) + set(target_sources "") + foreach(source_relative ${target_sources_rel}) + get_filename_component(source_absolute ${source_relative} ABSOLUTE) + list(APPEND target_sources ${source_absolute}) + endforeach() + list(FILTER target_sources INCLUDE REGEX "${_CLANG_FORMAT_FILTER}") + unset(target_sources_rel) + + get_target_property(target_source_dir_rel ${_target} SOURCE_DIR) + get_filename_component(target_source_dir ${target_source_dir_rel} ABSOLUTE) + unset(target_source_dir_rel) + + add_custom_target(${_target}_CLANG-FORMAT + COMMAND + ${CLANG_FORMAT_BIN} + -style=file + -i + ${target_sources} + COMMENT + "clang-format: Formatting ${_target}..." + WORKING_DIRECTORY + ${target_source_dir_rel} + ) + + if(_CLANG_FORMAT_DEPENDENCY) + add_dependencies(${_target} ${_target}_CLANG-FORMAT) + endif() + + if(_CLANG_FORMAT_GLOBAL) + if(TARGET CLANG-FORMAT) + add_dependencies(CLANG-FORMAT ${_target}_CLANG-FORMAT) + else() + add_custom_target(CLANG-FORMAT + DEPENDS + ${_target}_CLANG-FORMAT + COMMENT + "clang-format: Formatting..." + ) + endif() + endif() + endforeach() +endfunction()