include_guard(GLOBAL)


if(CMAKE_EXPORT_COMPILE_COMMANDS)
  include(PVS-Studio)
  find_program(PVS_STUDIO_ANALYZER_EXE pvs-studio-analyzer)
  find_program(PVS_STUDIO_CONVERTER_EXE plog-converter)
else()
  message(STATUS "MyxCMake: CMAKE_EXPORT_COMPILE_COMMANDS is not set. PVS checks will be disabled.")
endif()

function(myx_cmake_analyze_pvs_studio target)
  if(PVS_STUDIO_ANALYZER_EXE AND PVS_STUDIO_CONVERTER_EXE)
    set(options)
    set(oneValueArgs CHECKS)
    set(multiValueArgs)
    if(NOT TARGET myx-cmake-analyze-pvs-studio)
      set(PVS_STUDIO_HEADER "${CMAKE_BINARY_DIR}/include/myx_cmake_pvs_studio_header_p.hpp")
      file(WRITE ${PVS_STUDIO_HEADER}
        "#ifndef MYX_CMAKE_PVS_STUDIO_HEADER_HPP_\n"
        "#define MYX_CMAKE_PVS_STUDIO_HEADER_HPP_\n"
        "#pragma once\n"
        "//-V813_MINSIZE=33\n"
        "#endif // MYX_CMAKE_PVS_STUDIO_HEADER_HPP_\n")

      pvs_studio_add_target(TARGET myx-cmake-analyze-pvs-studio
        LOG
        COMPILE_COMMANDS
        HIDE_HELP
        OUTPUT FORMAT errorfile
        ARGS --exclude-path ${CMAKE_CURRENT_BINARY_DIR}/${target}_autogen
        MODE GA:1,2,3;64:1;OP:1,2;CS:1,2)

      get_target_property(__target_type ${target} TYPE)
      if(${__target_type} STREQUAL INTERFACE_LIBRARY)
        set(__target_type INTERFACE)
      else()
        set(__target_type PRIVATE)
      endif()
      if(MSVC)
        target_compile_options(${target} BEFORE ${__target_type} /FI ${PVS_STUDIO_HEADER})
      else() # GCC/Clang
        target_compile_options(${target} BEFORE ${__target_type} -include ${PVS_STUDIO_HEADER})
      endif()

      add_dependencies(myx-cmake-analyze-pvs-studio ${target})
      get_target_property(__target_source_dir "${target}" SOURCE_DIR)
      pvs_studio_analyze_target("${target}" "${__target_source_dir}")
    endif()
  else()
    message(STATUS "MyxCMake: pvs-studio-analyzer not found.")
  endif()
endfunction()