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| 1 | +# |
| 2 | +# Format and verify formatting using clang-format |
| 3 | +# |
| 4 | +cmake_minimum_required(VERSION 2.6.4) |
| 5 | + |
| 6 | +include(FindPackageHandleStandardArgs) |
| 7 | + |
| 8 | +if(NOT CLANG_FORMAT_EXE_NAME) |
| 9 | + set(CLANG_FORMAT_EXE_NAME clang-format) |
| 10 | +endif() |
| 11 | + |
| 12 | +if(CLANG_FORMAT_ROOT_DIR) |
| 13 | + find_program(CLANG_FORMAT_EXE |
| 14 | + NAMES ${CLANG_FORMAT_EXE_NAME} |
| 15 | + PATHS ${CLANG_FORMAT_ROOT_DIR} |
| 16 | + NO_DEFAULT_PATH) |
| 17 | +endif() |
| 18 | + |
| 19 | +find_program(CLANG_FORMAT_EXE NAMES ${CLANG_FORMAT_EXE_NAME}) |
| 20 | + |
| 21 | +find_package_handle_standard_args(CLANG_FORMAT DEFAULT_MSG CLANG_FORMAT_EXE) |
| 22 | + |
| 23 | +mark_as_advanced(CLANG_FORMAT_EXE) |
| 24 | + |
| 25 | +if(CLANG_FORMAT_FOUND) |
| 26 | + set(CLANG_FORMAT_FILE_EXTENSIONS ${CLANG_FORMAT_CXX_FILE_EXTENSIONS} *.cpp *.hpp *.c *.h) |
| 27 | + file(GLOB_RECURSE CLANG_FORMAT_ALL_SOURCE_FILES ${CLANG_FORMAT_FILE_EXTENSIONS}) |
| 28 | + |
| 29 | + set(CLANG_FORMAT_EXCLUDE_PATTERNS ${CLANG_FORMAT_EXCLUDE_PATTERNS} "/CMakeFiles/" "cmake" "/build/" "/vendor/" "/third_party/" "cassandra.h" "dse.h") |
| 30 | + |
| 31 | + foreach(SOURCE_FILE ${CLANG_FORMAT_ALL_SOURCE_FILES}) |
| 32 | + foreach(EXCLUDE_PATTERN ${CLANG_FORMAT_EXCLUDE_PATTERNS}) |
| 33 | + string(FIND ${SOURCE_FILE} ${EXCLUDE_PATTERN} EXCLUDE_FOUND) |
| 34 | + if(NOT ${EXCLUDE_FOUND} EQUAL -1) |
| 35 | + list(REMOVE_ITEM CLANG_FORMAT_ALL_SOURCE_FILES ${SOURCE_FILE}) |
| 36 | + endif() |
| 37 | + endforeach() |
| 38 | + endforeach() |
| 39 | + |
| 40 | + if(WIN32) |
| 41 | + set(CLANG_FORMAT_FILENAME "clang-format.files") |
| 42 | + set(CLANG_FORMAT_ABSOLUTE_FILENAME "${CMAKE_BINARY_DIR}/${CLANG_FORMAT_FILENAME}") |
| 43 | + if (EXISTS ${CLANG_FORMAT_ABSOLUTE_FILENAME}) |
| 44 | + file(REMOVE ${CLANG_FORMAT_ABSOLUTE_FILENAME}) |
| 45 | + endif() |
| 46 | + |
| 47 | + set(COUNT 1) |
| 48 | + file(TO_NATIVE_PATH ${CMAKE_BINARY_DIR} CMAKE_WINDOWS_BINARY_DIR) |
| 49 | + foreach(SOURCE_FILE ${CLANG_FORMAT_ALL_SOURCE_FILES}) |
| 50 | + file(RELATIVE_PATH RELATIVE_SOURCE_FILE ${CMAKE_BINARY_DIR} ${SOURCE_FILE}) |
| 51 | + file(TO_NATIVE_PATH ${RELATIVE_SOURCE_FILE} NATIVE_RELATIVE_SOURCE_FILE) |
| 52 | + |
| 53 | + if(COUNT EQUAL 50) |
| 54 | + file(APPEND ${CLANG_FORMAT_ABSOLUTE_FILENAME} " ${NATIVE_RELATIVE_SOURCE_FILE}\n") |
| 55 | + set(COUNT 1) |
| 56 | + else() |
| 57 | + file(APPEND ${CLANG_FORMAT_ABSOLUTE_FILENAME} " ${NATIVE_RELATIVE_SOURCE_FILE}") |
| 58 | + MATH(EXPR COUNT "${COUNT} + 1") |
| 59 | + endif() |
| 60 | + endforeach() |
| 61 | + |
| 62 | + file(TO_NATIVE_PATH ${CLANG_FORMAT_EXE} CLANG_FORMAT_EXE) |
| 63 | + file(WRITE "${CMAKE_BINARY_DIR}/clang-format-windows.bat" |
| 64 | + "@REM Generated clang-format script for Windows\r\n" |
| 65 | + "@ECHO OFF\r\n" |
| 66 | + "SETLOCAL ENABLEDELAYEDEXPANSION\r\n" |
| 67 | + "SET IS_FAILED_CHECK=0\r\n" |
| 68 | + "PUSHD ${CMAKE_WINDOWS_BINARY_DIR}>NUL\r\n" |
| 69 | + "FOR /F \"TOKENS=*\" %%A IN (${CLANG_FORMAT_FILENAME}) do (\r\n" |
| 70 | + " IF %1 EQU 1 (\r\n" |
| 71 | + " \"${CLANG_FORMAT_EXE}\" -i -fallback-style=none -style=file %%A\r\n" |
| 72 | + " IF NOT !ERRORLEVEL! EQU 0 (\r\n" |
| 73 | + " SET IS_FAILED_CHECK=1\r\n" |
| 74 | + " )\r\n" |
| 75 | + " )\r\n" |
| 76 | + " IF %1 EQU 2 (\r\n" |
| 77 | + " \"${CLANG_FORMAT_EXE}\" -output-replacements-xml -fallback-style=none -style=file %%A 2>&1 | FINDSTR /C:\"replacement offset\">NUL\r\n" |
| 78 | + " IF !ERRORLEVEL! EQU 0 (\r\n" |
| 79 | + " SET IS_FAILED_CHECK=1\r\n" |
| 80 | + " )\r\n" |
| 81 | + " )\r\n" |
| 82 | + ")\r\n" |
| 83 | + "IF NOT !IS_FAILED_CHECK! EQU 0 (\r\n" |
| 84 | + " POPD\r\n" |
| 85 | + " EXIT /B 1\r\n" |
| 86 | + ")\r\n" |
| 87 | + "POPD\r\n" |
| 88 | + "ENDLOCAL\r\n" |
| 89 | + "EXIT /B 0\r\n") |
| 90 | + |
| 91 | + add_custom_target(format |
| 92 | + COMMENT "Format source files using clang-format" |
| 93 | + COMMAND "${CMAKE_WINDOWS_BINARY_DIR}\\clang-format-windows.bat" 1) |
| 94 | + |
| 95 | + add_custom_target(format-check |
| 96 | + COMMENT "Verify source files formatting using clang-format" |
| 97 | + COMMAND "${CMAKE_WINDOWS_BINARY_DIR}\\clang-format-windows.bat" 2) |
| 98 | + else() |
| 99 | + add_custom_target(format |
| 100 | + COMMENT "Format source files using clang-format" |
| 101 | + COMMAND ${CLANG_FORMAT_EXE} -i -fallback-style=none -style=file ${CLANG_FORMAT_ALL_SOURCE_FILES}) |
| 102 | + |
| 103 | + add_custom_target(format-check |
| 104 | + COMMENT "Verify source files formatting using clang-format" |
| 105 | + COMMAND ! ${CLANG_FORMAT_EXE} -output-replacements-xml -fallback-style=none -style=file ${CLANG_FORMAT_ALL_SOURCE_FILES} | tee replacements.xml | grep -q "replacement offset") |
| 106 | + endif() |
| 107 | +else() |
| 108 | + message(STATUS "Unable to find clang-format. Not creating format targets.") |
| 109 | +endif() |
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