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# - Run cppcheck on c++ source files as a custom target and a test
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#
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# add_test_cppcheck(<target-name> [UNUSED_FUNCTIONS] [STYLE] [POSSIBLE_ERROR] [FAIL_ON_WARNINGS]) -
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# Create a target to check a target's sources with cppcheck and the indicated options
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#
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# Requires these CMake modules:
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# Findcppcheck
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#
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# Requires CMake 2.8 or newer
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#
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# Original Author:
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# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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# Iowa State University HCI Graduate Program/VRAC
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#
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# Copyright Iowa State University 2009-2010.
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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IF(__add_cppcheck)
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RETURN()
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ENDIF()
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SET(__add_cppcheck YES)
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FIND_PACKAGE(cppcheck)
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IF(NOT TARGET all_cppcheck)
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ADD_CUSTOM_TARGET(all_cppcheck)
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ENDIF()
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FUNCTION(add_test_cppcheck _target_name)
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IF(NOT TARGET ${_target_name})
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MESSAGE(FATAL_ERROR "add_test_cppcheck given a target name that does not exist: '${_target_name}' !")
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ENDIF()
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SET(cppcheck_args)
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LIST(FIND ARGN UNUSED_FUNCTIONS index)
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IF("${index}" GREATER "-1")
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LIST(APPEND cppcheck_args ${CPPCHECK_UNUSEDFUNC_ARG})
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ENDIF()
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LIST(FIND ARGN STYLE index)
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IF("${index}" GREATER "-1")
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LIST(APPEND cppcheck_args ${CPPCHECK_STYLE_ARG})
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ENDIF()
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LIST(FIND ARGN POSSIBLE_ERROR index)
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IF("${index}" GREATER "-1")
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LIST(APPEND cppcheck_args ${CPPCHECK_POSSIBLEERROR_ARG})
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ENDIF()
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LIST(FIND ARGN MISSING_INCLUDE index)
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IF("${index}" GREATER "-1")
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LIST(APPEND cppcheck_args ${CPPCHECK_MISSINGINCLUDE_ARG})
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ENDIF()
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LIST(FIND _input FAIL_ON_WARNINGS index)
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IF("${index}" GREATER "-1")
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LIST(APPEND CPPCHECK_FAIL_REGULAR_EXPRESSION ${CPPCHECK_WARN_REGULAR_EXPRESSION})
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LIST(REMOVE_AT _input ${_unused_func})
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ENDIF()
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GET_TARGET_PROPERTY(target_sources "${_target_name}" SOURCES)
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SET(cppcheck_sources)
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FOREACH(source ${target_sources})
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GET_SOURCE_FILE_PROPERTY(path "${source}" LOCATION)
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GET_SOURCE_FILE_PROPERTY(lang "${source}" LANGUAGE)
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IF("${lang}" MATCHES "CXX")
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LIST(APPEND cppcheck_sources "${path}")
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ENDIF()
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IF("${lang}" MATCHES "C")
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LIST(APPEND cppcheck_sources "${path}")
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ENDIF()
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ENDFOREACH()
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GET_TARGET_PROPERTY(target_definitions "${_target_name}" SOURCES)
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GET_TARGET_PROPERTY(target_source_location "${_target_name}" SOURCES)
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SET(test_target_name "${_target_name}_cppcheck_test")
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GET_TARGET_PROPERTY(include_folders "${_target_name}" INCLUDE_DIRECTORIES)
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SET(include_args)
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FOREACH(folder ${include_folders})
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LIST(APPEND include_args "-I${folder}")
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ENDFOREACH()
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ADD_TEST(NAME "${test_target_name}"
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COMMAND "${CPPCHECK_EXECUTABLE}"
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${CPPCHECK_TEMPLATE_ARG}
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${cppcheck_args}
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${include_args}
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${cppcheck_sources})
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SET_TESTS_PROPERTIES("${test_target_name}"
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PROPERTIES
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FAIL_REGULAR_EXPRESSION "${CPPCHECK_FAIL_REGULAR_EXPRESSION}")
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ADD_CUSTOM_COMMAND(TARGET all_cppcheck
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PRE_BUILD
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COMMAND "${CPPCHECK_EXECUTABLE}"
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${CPPCHECK_QUIET_ARG}
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${CPPCHECK_TEMPLATE_ARG}
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${cppcheck_args}
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${include_args}
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${cppcheck_sources}
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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COMMENT "${test_target_name}: Running cppcheck on target ${_target_name}..."
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VERBATIM)
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ENDFUNCTION()
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