cmake string(GREATER) examples

catchorg/Catch2 extras/ParseAndAddCatchTests.cmake :136 

    string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([^,^\"]*" TestTypeAndFixture "${TestName}")
    string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)" TestType "${TestTypeAndFixture}")
    string(REGEX REPLACE "${TestType}\\([ \t]*" "" TestFixture "${TestTypeAndFixture}")

    # Get string parts of test definition
    string(REGEX MATCHALL "\"+([^\\^\"]|\\\\\")+\"+" TestStrings "${TestName}")

    # Strip wrapping quotation marks
    string(REGEX REPLACE "^\"(.*)\"$" "\\1" TestStrings "${TestStrings}")
    string(REPLACE "\";\"" ";" TestStrings "${TestStrings}")

    # Validate that a test name and tags have been provided
    list(LENGTH TestStrings TestStringsLength)
    if(TestStringsLength GREATER 2 OR TestStringsLength LESS 1)
      message(FATAL_ERROR "You must provide a valid test name and tags for all tests in ${SourceFile}")
    endif()

    # Assign name and tags
    list(GET TestStrings 0 Name)
    if("${TestType}" STREQUAL "SCENARIO")
      set(Name "Scenario: ${Name}")
    endif()
    if(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME AND "${TestType}" MATCHES "(CATCH_)?TEST_CASE_METHOD" AND TestFixture)
      set(CTestName "${TestFixture}:${Name}")
    else()
      set(CTestName "${Name}")
    endif()
    if(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME)
      set(CTestName "${TestTarget}:${CTestName}")
    endif()
    # add target to labels to enable running all tests added from this target
    set(Labels ${TestTarget})
    if(TestStringsLength EQUAL 2)
      list(GET TestStrings 1 Tags)
      string(TOLOWER "${Tags}" Tags)
      # remove target from labels if the test is hidden
      if("${Tags}" MATCHES ".*\\[!?(hide|\\.)\\].*")
        list(REMOVE_ITEM Labels ${TestTarget})
      endif()
      string(REPLACE "]" ";" Tags "${Tags}")
      string(REPLACE "[" "" Tags "${Tags}")
    else()
      # unset tags variable from previous loop
      unset(Tags)
    endif()

    list(APPEND Labels ${Tags})

    set(HiddenTagFound OFF)
    foreach(label ${Labels})
      string(REGEX MATCH "^!hide|^\\." result ${label})
      if(result)
        set(HiddenTagFound ON)
        break()
      endif()
    endforeach(label)
    if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_LESS "3.9")
      ParseAndAddCatchTests_PrintDebugMessage("Skipping test \"${CTestName}\" as it has [!hide], [.] or [.foo] label")
    else()
      ParseAndAddCatchTests_PrintDebugMessage("Adding test \"${CTestName}\"")
      if(Labels)
        ParseAndAddCatchTests_PrintDebugMessage("Setting labels to ${Labels}")
      endif()

      # Escape commas in the test spec
      string(REPLACE "," "\\," Name ${Name})

      # Work around CMake 3.18.0 change in `add_test()`, before the escaped quotes were necessary,
      # only with CMake 3.18.0 the escaped double quotes confuse the call. This change is reverted in 3.18.1
      # And properly introduced in 3.19 with the CMP0110 policy
      if(_cmp0110_value STREQUAL "NEW" OR ${CMAKE_VERSION} VERSION_EQUAL "3.18")
        ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to NEW, no need for add_test(\"\") workaround")
      else()
        ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to OLD adding \"\" for add_test() workaround")
        set(CTestName "\"${CTestName}\"")
      endif()

      # Handle template test cases
      if("${TestTypeAndFixture}" MATCHES ".*TEMPLATE_.*")
        set(Name "${Name} - *")
      endif()

      # Add the test and set its properties
      add_test(NAME "${CTestName}" COMMAND ${OptionalCatchTestLauncher} $<TARGET_FILE:${TestTarget}> ${Name} ${AdditionalCatchParameters})
      # Old CMake versions do not document VERSION_GREATER_EQUAL, so we use VERSION_GREATER with 3.8 instead
      if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_GREATER "3.8")
        ParseAndAddCatchTests_PrintDebugMessage("Setting DISABLED test property")
        set_tests_properties("${CTestName}" PROPERTIES DISABLED ON)
      else()
        set_tests_properties("${CTestName}" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
                                                LABELS "${Labels}")
      endif()
      set_property(
        TARGET ${TestTarget}
        APPEND
        PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
      set_property(
        SOURCE ${SourceFile}
        APPEND
        PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
    endif()
  endforeach()
endfunction()

# entry point
function(ParseAndAddCatchTests TestTarget)
  message(DEPRECATION "ParseAndAddCatchTest: function deprecated because of possibility of missed test cases. Consider using 'catch_discover_tests' from 'Catch.cmake'")
  ParseAndAddCatchTests_PrintDebugMessage("Started parsing ${TestTarget}")
  get_target_property(SourceFiles ${TestTarget} SOURCES)
  ParseAndAddCatchTests_PrintDebugMessage("Found the following sources: ${SourceFiles}")
  foreach(SourceFile ${SourceFiles})
    ParseAndAddCatchTests_ParseFile(${SourceFile} ${TestTarget})
  endforeach()
  ParseAndAddCatchTests_PrintDebugMessage("Finished parsing ${TestTarget}")
endfunction()

catchorg/Catch2 extras/ParseAndAddCatchTests.cmake :138 

    string(REGEX REPLACE "${TestType}\\([ \t]*" "" TestFixture "${TestTypeAndFixture}")

    # Get string parts of test definition
    string(REGEX MATCHALL "\"+([^\\^\"]|\\\\\")+\"+" TestStrings "${TestName}")

    # Strip wrapping quotation marks
    string(REGEX REPLACE "^\"(.*)\"$" "\\1" TestStrings "${TestStrings}")
    string(REPLACE "\";\"" ";" TestStrings "${TestStrings}")

    # Validate that a test name and tags have been provided
    list(LENGTH TestStrings TestStringsLength)
    if(TestStringsLength GREATER 2 OR TestStringsLength LESS 1)
      message(FATAL_ERROR "You must provide a valid test name and tags for all tests in ${SourceFile}")
    endif()

    # Assign name and tags
    list(GET TestStrings 0 Name)
    if("${TestType}" STREQUAL "SCENARIO")
      set(Name "Scenario: ${Name}")
    endif()
    if(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME AND "${TestType}" MATCHES "(CATCH_)?TEST_CASE_METHOD" AND TestFixture)
      set(CTestName "${TestFixture}:${Name}")
    else()
      set(CTestName "${Name}")
    endif()
    if(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME)
      set(CTestName "${TestTarget}:${CTestName}")
    endif()
    # add target to labels to enable running all tests added from this target
    set(Labels ${TestTarget})
    if(TestStringsLength EQUAL 2)
      list(GET TestStrings 1 Tags)
      string(TOLOWER "${Tags}" Tags)
      # remove target from labels if the test is hidden
      if("${Tags}" MATCHES ".*\\[!?(hide|\\.)\\].*")
        list(REMOVE_ITEM Labels ${TestTarget})
      endif()
      string(REPLACE "]" ";" Tags "${Tags}")
      string(REPLACE "[" "" Tags "${Tags}")
    else()
      # unset tags variable from previous loop
      unset(Tags)
    endif()

    list(APPEND Labels ${Tags})

    set(HiddenTagFound OFF)
    foreach(label ${Labels})
      string(REGEX MATCH "^!hide|^\\." result ${label})
      if(result)
        set(HiddenTagFound ON)
        break()
      endif()
    endforeach(label)
    if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_LESS "3.9")
      ParseAndAddCatchTests_PrintDebugMessage("Skipping test \"${CTestName}\" as it has [!hide], [.] or [.foo] label")
    else()
      ParseAndAddCatchTests_PrintDebugMessage("Adding test \"${CTestName}\"")
      if(Labels)
        ParseAndAddCatchTests_PrintDebugMessage("Setting labels to ${Labels}")
      endif()

      # Escape commas in the test spec
      string(REPLACE "," "\\," Name ${Name})

      # Work around CMake 3.18.0 change in `add_test()`, before the escaped quotes were necessary,
      # only with CMake 3.18.0 the escaped double quotes confuse the call. This change is reverted in 3.18.1
      # And properly introduced in 3.19 with the CMP0110 policy
      if(_cmp0110_value STREQUAL "NEW" OR ${CMAKE_VERSION} VERSION_EQUAL "3.18")
        ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to NEW, no need for add_test(\"\") workaround")
      else()
        ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to OLD adding \"\" for add_test() workaround")
        set(CTestName "\"${CTestName}\"")
      endif()

      # Handle template test cases
      if("${TestTypeAndFixture}" MATCHES ".*TEMPLATE_.*")
        set(Name "${Name} - *")
      endif()

      # Add the test and set its properties
      add_test(NAME "${CTestName}" COMMAND ${OptionalCatchTestLauncher} $<TARGET_FILE:${TestTarget}> ${Name} ${AdditionalCatchParameters})
      # Old CMake versions do not document VERSION_GREATER_EQUAL, so we use VERSION_GREATER with 3.8 instead
      if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_GREATER "3.8")
        ParseAndAddCatchTests_PrintDebugMessage("Setting DISABLED test property")
        set_tests_properties("${CTestName}" PROPERTIES DISABLED ON)
      else()
        set_tests_properties("${CTestName}" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
                                                LABELS "${Labels}")
      endif()
      set_property(
        TARGET ${TestTarget}
        APPEND
        PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
      set_property(
        SOURCE ${SourceFile}
        APPEND
        PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
    endif()
  endforeach()
endfunction()

# entry point
function(ParseAndAddCatchTests TestTarget)
  message(DEPRECATION "ParseAndAddCatchTest: function deprecated because of possibility of missed test cases. Consider using 'catch_discover_tests' from 'Catch.cmake'")
  ParseAndAddCatchTests_PrintDebugMessage("Started parsing ${TestTarget}")
  get_target_property(SourceFiles ${TestTarget} SOURCES)
  ParseAndAddCatchTests_PrintDebugMessage("Found the following sources: ${SourceFiles}")
  foreach(SourceFile ${SourceFiles})
    ParseAndAddCatchTests_ParseFile(${SourceFile} ${TestTarget})
  endforeach()
  ParseAndAddCatchTests_PrintDebugMessage("Finished parsing ${TestTarget}")
endfunction()

podofo/podofo test/common/cmake/ParseAndAddCatchTests.cmake :137 

        string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([^,^\"]*" TestTypeAndFixture "${TestName}")
        string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)" TestType "${TestTypeAndFixture}")
        string(REGEX REPLACE "${TestType}\\([ \t]*" "" TestFixture "${TestTypeAndFixture}")

        # Get string parts of test definition
        string(REGEX MATCHALL "\"+([^\\^\"]|\\\\\")+\"+" TestStrings "${TestName}")

        # Strip wrapping quotation marks
        string(REGEX REPLACE "^\"(.*)\"$" "\\1" TestStrings "${TestStrings}")
        string(REPLACE "\";\"" ";" TestStrings "${TestStrings}")

        # Validate that a test name and tags have been provided
        list(LENGTH TestStrings TestStringsLength)
        if(TestStringsLength GREATER 2 OR TestStringsLength LESS 1)
            message(FATAL_ERROR "You must provide a valid test name and tags for all tests in ${SourceFile}")
        endif()

        # Assign name and tags
        list(GET TestStrings 0 Name)
        if("${TestType}" STREQUAL "SCENARIO")
            set(Name "Scenario: ${Name}")
        endif()
        if(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME AND "${TestType}" MATCHES "(CATCH_)?TEST_CASE_METHOD" AND TestFixture )
            set(CTestName "${TestFixture}:${Name}")
        else()
            set(CTestName "${Name}")
        endif()
        if(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME)
            set(CTestName "${TestTarget}:${CTestName}")
        endif()
        # add target to labels to enable running all tests added from this target
        set(Labels ${TestTarget})
        if(TestStringsLength EQUAL 2)
            list(GET TestStrings 1 Tags)
            string(TOLOWER "${Tags}" Tags)
            # remove target from labels if the test is hidden
            if("${Tags}" MATCHES ".*\\[!?(hide|\\.)\\].*")
                list(REMOVE_ITEM Labels ${TestTarget})
            endif()
            string(REPLACE "]" ";" Tags "${Tags}")
            string(REPLACE "[" "" Tags "${Tags}")
        else()
          # unset tags variable from previous loop
          unset(Tags)
        endif()

        list(APPEND Labels ${Tags})

        set(HiddenTagFound OFF)
        foreach(label ${Labels})
            string(REGEX MATCH "^!hide|^\\." result ${label})
            if(result)
                set(HiddenTagFound ON)
                break()
            endif(result)
        endforeach(label)
        if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_LESS "3.9")
            ParseAndAddCatchTests_PrintDebugMessage("Skipping test \"${CTestName}\" as it has [!hide], [.] or [.foo] label")
        else()
            ParseAndAddCatchTests_PrintDebugMessage("Adding test \"${CTestName}\"")
            if(Labels)
                ParseAndAddCatchTests_PrintDebugMessage("Setting labels to ${Labels}")
            endif()

            # Escape commas in the test spec
            string(REPLACE "," "\\," Name ${Name})

            # Work around CMake 3.18.0 change in `add_test()`, before the escaped quotes were necessary,
            # only with CMake 3.18.0 the escaped double quotes confuse the call. This change is reverted in 3.18.1
            # And properly introduced in 3.19 with the CMP0110 policy
            if(_cmp0110_value STREQUAL "NEW" OR ${CMAKE_VERSION} VERSION_EQUAL "3.18")
                ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to NEW, no need for add_test(\"\") workaround")
            else()
                ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to OLD adding \"\" for add_test() workaround")
                set(CTestName "\"${CTestName}\"")
            endif()

            # Handle template test cases
            if("${TestTypeAndFixture}" MATCHES ".*TEMPLATE_.*")
              set(Name "${Name} - *")
            endif()

            # Add the test and set its properties
            add_test(NAME "${CTestName}" COMMAND ${OptionalCatchTestLauncher} $<TARGET_FILE:${TestTarget}> ${Name} ${AdditionalCatchParameters})
            # Old CMake versions do not document VERSION_GREATER_EQUAL, so we use VERSION_GREATER with 3.8 instead
            if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_GREATER "3.8")
                ParseAndAddCatchTests_PrintDebugMessage("Setting DISABLED test property")
                set_tests_properties("${CTestName}" PROPERTIES DISABLED ON)
            else()
                set_tests_properties("${CTestName}" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
                                                        LABELS "${Labels}")
            endif()
            set_property(
              TARGET ${TestTarget}
              APPEND
              PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
            set_property(
              SOURCE ${SourceFile}
              APPEND
              PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
        endif()


    endforeach()
endfunction()

# entry point
function(ParseAndAddCatchTests TestTarget)
    message(DEPRECATION "ParseAndAddCatchTest: function deprecated because of possibility of missed test cases. Consider using 'catch_discover_tests' from 'Catch.cmake'")
    ParseAndAddCatchTests_PrintDebugMessage("Started parsing ${TestTarget}")
    get_target_property(SourceFiles ${TestTarget} SOURCES)
    ParseAndAddCatchTests_PrintDebugMessage("Found the following sources: ${SourceFiles}")
    foreach(SourceFile ${SourceFiles})
        ParseAndAddCatchTests_ParseFile(${SourceFile} ${TestTarget})
    endforeach()
    ParseAndAddCatchTests_PrintDebugMessage("Finished parsing ${TestTarget}")
endfunction()

podofo/podofo test/common/cmake/ParseAndAddCatchTests.cmake :139 

        string(REGEX REPLACE "${TestType}\\([ \t]*" "" TestFixture "${TestTypeAndFixture}")

        # Get string parts of test definition
        string(REGEX MATCHALL "\"+([^\\^\"]|\\\\\")+\"+" TestStrings "${TestName}")

        # Strip wrapping quotation marks
        string(REGEX REPLACE "^\"(.*)\"$" "\\1" TestStrings "${TestStrings}")
        string(REPLACE "\";\"" ";" TestStrings "${TestStrings}")

        # Validate that a test name and tags have been provided
        list(LENGTH TestStrings TestStringsLength)
        if(TestStringsLength GREATER 2 OR TestStringsLength LESS 1)
            message(FATAL_ERROR "You must provide a valid test name and tags for all tests in ${SourceFile}")
        endif()

        # Assign name and tags
        list(GET TestStrings 0 Name)
        if("${TestType}" STREQUAL "SCENARIO")
            set(Name "Scenario: ${Name}")
        endif()
        if(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME AND "${TestType}" MATCHES "(CATCH_)?TEST_CASE_METHOD" AND TestFixture )
            set(CTestName "${TestFixture}:${Name}")
        else()
            set(CTestName "${Name}")
        endif()
        if(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME)
            set(CTestName "${TestTarget}:${CTestName}")
        endif()
        # add target to labels to enable running all tests added from this target
        set(Labels ${TestTarget})
        if(TestStringsLength EQUAL 2)
            list(GET TestStrings 1 Tags)
            string(TOLOWER "${Tags}" Tags)
            # remove target from labels if the test is hidden
            if("${Tags}" MATCHES ".*\\[!?(hide|\\.)\\].*")
                list(REMOVE_ITEM Labels ${TestTarget})
            endif()
            string(REPLACE "]" ";" Tags "${Tags}")
            string(REPLACE "[" "" Tags "${Tags}")
        else()
          # unset tags variable from previous loop
          unset(Tags)
        endif()

        list(APPEND Labels ${Tags})

        set(HiddenTagFound OFF)
        foreach(label ${Labels})
            string(REGEX MATCH "^!hide|^\\." result ${label})
            if(result)
                set(HiddenTagFound ON)
                break()
            endif(result)
        endforeach(label)
        if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_LESS "3.9")
            ParseAndAddCatchTests_PrintDebugMessage("Skipping test \"${CTestName}\" as it has [!hide], [.] or [.foo] label")
        else()
            ParseAndAddCatchTests_PrintDebugMessage("Adding test \"${CTestName}\"")
            if(Labels)
                ParseAndAddCatchTests_PrintDebugMessage("Setting labels to ${Labels}")
            endif()

            # Escape commas in the test spec
            string(REPLACE "," "\\," Name ${Name})

            # Work around CMake 3.18.0 change in `add_test()`, before the escaped quotes were necessary,
            # only with CMake 3.18.0 the escaped double quotes confuse the call. This change is reverted in 3.18.1
            # And properly introduced in 3.19 with the CMP0110 policy
            if(_cmp0110_value STREQUAL "NEW" OR ${CMAKE_VERSION} VERSION_EQUAL "3.18")
                ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to NEW, no need for add_test(\"\") workaround")
            else()
                ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to OLD adding \"\" for add_test() workaround")
                set(CTestName "\"${CTestName}\"")
            endif()

            # Handle template test cases
            if("${TestTypeAndFixture}" MATCHES ".*TEMPLATE_.*")
              set(Name "${Name} - *")
            endif()

            # Add the test and set its properties
            add_test(NAME "${CTestName}" COMMAND ${OptionalCatchTestLauncher} $<TARGET_FILE:${TestTarget}> ${Name} ${AdditionalCatchParameters})
            # Old CMake versions do not document VERSION_GREATER_EQUAL, so we use VERSION_GREATER with 3.8 instead
            if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_GREATER "3.8")
                ParseAndAddCatchTests_PrintDebugMessage("Setting DISABLED test property")
                set_tests_properties("${CTestName}" PROPERTIES DISABLED ON)
            else()
                set_tests_properties("${CTestName}" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
                                                        LABELS "${Labels}")
            endif()
            set_property(
              TARGET ${TestTarget}
              APPEND
              PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
            set_property(
              SOURCE ${SourceFile}
              APPEND
              PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
        endif()


    endforeach()
endfunction()

# entry point
function(ParseAndAddCatchTests TestTarget)
    message(DEPRECATION "ParseAndAddCatchTest: function deprecated because of possibility of missed test cases. Consider using 'catch_discover_tests' from 'Catch.cmake'")
    ParseAndAddCatchTests_PrintDebugMessage("Started parsing ${TestTarget}")
    get_target_property(SourceFiles ${TestTarget} SOURCES)
    ParseAndAddCatchTests_PrintDebugMessage("Found the following sources: ${SourceFiles}")
    foreach(SourceFile ${SourceFiles})
        ParseAndAddCatchTests_ParseFile(${SourceFile} ${TestTarget})
    endforeach()
    ParseAndAddCatchTests_PrintDebugMessage("Finished parsing ${TestTarget}")
endfunction()

qgis/QGIS src/providers/grass/CMakeLists.txt :720 

    string( REGEX REPLACE ".*(G_[^\\(]*)\\(.*" "\\1" FUNCTION_NAME "${ROW}" )
    foreach( FN ${FUNCTIONS_ALL})
      if ( "${FN}" STREQUAL "${FUNCTION_NAME}" )
        # \\*? and \\** patterns do not work, why?
        string( REGEX REPLACE "^[ \t]*(.*)G_.*" "\\1" FUNCTION_TYPE "${ROW}" )
        string( REGEX REPLACE "\\*" "" FUNCTION_TYPE "${FUNCTION_TYPE}" )
        string( REGEX REPLACE "[^*]*(\\*+) *G_.*" "\\1" POINTER "${ROW}" )
        if ( (NOT "${POINTER}" STREQUAL "*") AND (NOT "${POINTER}" STREQUAL "**") )
          set ( POINTER "" )
        endif()
        string( REGEX REPLACE ".*G_[^\\(]*\\((.*)\\).*" "\\1" PARAM_TYPES "${ROW}" )
        set ( PARAM_NAMES "" )
        set ( PARAMS "" )
        if ( NOT "${PARAM_TYPES}" STREQUAL "void" )
          string ( REGEX MATCHALL "[^,]+" PARAM_TYPE_LIST ${PARAM_TYPES} )
          set ( I 0 )
          foreach( PARAM_TYPE ${PARAM_TYPE_LIST} )
            list ( APPEND PARAM_NAMES "p${I}" )
            list ( APPEND PARAMS "${PARAM_TYPE} p${I}" )
            math(EXPR  I "${I} + 1")
          endforeach ( PARAM_TYPE )
        endif()

        string( REPLACE ";" ", " PARAM_NAMES "${PARAM_NAMES}" )
        string( REPLACE ";" ", " PARAMS "${PARAMS}" )

        # Declare all
        list ( APPEND PROTOTYPES "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAM_TYPES} )\;\n" )

        # Define only those not implemented in qgsgrassgislib.cpp
        list (FIND FUNCTIONS "${FUNCTION_NAME}" FUNCTION_IDX)
        if( ${FUNCTION_IDX} GREATER -1 )
          list ( APPEND FUNCTIONS_MAP "// ${ROW}\n" )
          # Declare function type
          list ( APPEND FUNCTIONS_MAP "typedef ${FUNCTION_TYPE} ${POINTER} ${FUNCTION_NAME}_type(${PARAM_TYPES})\;\n\n" )
          list ( APPEND FUNCTIONS_MAP "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAMS} ) {\n" )
	  #list ( APPEND FUNCTIONS_MAP "  QgsDebugMsgLevel( \"Entered\", 4 )\;\n" )
          list ( APPEND FUNCTIONS_MAP "  ${FUNCTION_NAME}_type* fn = (${FUNCTION_NAME}_type*) cast_to_fptr (QgsGrassGisLib::instance()->resolve( \"${FUNCTION_NAME}\" ))\;\n" )
          list ( APPEND FUNCTIONS_MAP "  return fn( ${PARAM_NAMES} )\;\n")
          list ( APPEND FUNCTIONS_MAP "}\n\n" )
        endif()
      endif()
    endforeach ( FN )
  endforeach( ROW )

  list ( APPEND PROTOTYPES "}\n" )

  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.cpp" ${FUNCTIONS_MAP})
  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.h" ${PROTOTYPES})

  endif() # process functions

  # Build fake library
  if(MSVC)
    set (FAKE_LIB_GRASS_GIS "libgrass_gis.${GRASS_VERSION}")
  else()
    set (FAKE_LIB_GRASS_GIS "grass_gis.${GRASS_VERSION}")
  endif()
  add_library(${FAKE_LIB_GRASS_GIS} MODULE qgsgrassgislib.cpp qgsgrassgislibfunctions.cpp )

  # require c++17
  target_compile_features(${FAKE_LIB_GRASS_GIS} PRIVATE cxx_std_17)

  # GRASS_LIBRARY_gis is path to the GRASS library used for compilation, it is the same
  # on runtime on Linux and Mac but on Windows with OSGEO4W the GRASS may be installed
  # in different directory
  set_target_properties(${FAKE_LIB_GRASS_GIS} PROPERTIES
    CLEAN_DIRECT_OUTPUT 1
    COMPILE_FLAGS "-DGRASS_VERSION=\\\"${GRASS_VERSION}\\\" -DGRASS_LIBRARY_GIS=\\\"${GRASS_LIBRARY_gis}\\\" \"-I${CMAKE_CURRENT_SOURCE_DIR}\" ")

  if (NOT APPLE)
    set_target_properties(${FAKE_LIB_GRASS_GIS} PROPERTIES
      VERSION ${COMPLETE_VERSION}
      SOVERSION ${COMPLETE_VERSION}
      )
  endif()

  target_link_libraries(${FAKE_LIB_GRASS_GIS}
    qgis_core
  )


  install(TARGETS ${FAKE_LIB_GRASS_GIS}
    RUNTIME DESTINATION ${QGIS_PLUGIN_DIR}
    LIBRARY DESTINATION ${QGIS_PLUGIN_DIR})
endif()

qgis/QGIS src/providers/grass/CMakeLists.txt :730 

        string( REGEX REPLACE ".*G_[^\\(]*\\((.*)\\).*" "\\1" PARAM_TYPES "${ROW}" )
        set ( PARAM_NAMES "" )
        set ( PARAMS "" )
        if ( NOT "${PARAM_TYPES}" STREQUAL "void" )
          string ( REGEX MATCHALL "[^,]+" PARAM_TYPE_LIST ${PARAM_TYPES} )
          set ( I 0 )
          foreach( PARAM_TYPE ${PARAM_TYPE_LIST} )
            list ( APPEND PARAM_NAMES "p${I}" )
            list ( APPEND PARAMS "${PARAM_TYPE} p${I}" )
            math(EXPR  I "${I} + 1")
          endforeach ( PARAM_TYPE )
        endif()

        string( REPLACE ";" ", " PARAM_NAMES "${PARAM_NAMES}" )
        string( REPLACE ";" ", " PARAMS "${PARAMS}" )

        # Declare all
        list ( APPEND PROTOTYPES "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAM_TYPES} )\;\n" )

        # Define only those not implemented in qgsgrassgislib.cpp
        list (FIND FUNCTIONS "${FUNCTION_NAME}" FUNCTION_IDX)
        if( ${FUNCTION_IDX} GREATER -1 )
          list ( APPEND FUNCTIONS_MAP "// ${ROW}\n" )
          # Declare function type
          list ( APPEND FUNCTIONS_MAP "typedef ${FUNCTION_TYPE} ${POINTER} ${FUNCTION_NAME}_type(${PARAM_TYPES})\;\n\n" )
          list ( APPEND FUNCTIONS_MAP "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAMS} ) {\n" )
	  #list ( APPEND FUNCTIONS_MAP "  QgsDebugMsgLevel( \"Entered\", 4 )\;\n" )
          list ( APPEND FUNCTIONS_MAP "  ${FUNCTION_NAME}_type* fn = (${FUNCTION_NAME}_type*) cast_to_fptr (QgsGrassGisLib::instance()->resolve( \"${FUNCTION_NAME}\" ))\;\n" )
          list ( APPEND FUNCTIONS_MAP "  return fn( ${PARAM_NAMES} )\;\n")
          list ( APPEND FUNCTIONS_MAP "}\n\n" )
        endif()
      endif()
    endforeach ( FN )
  endforeach( ROW )

  list ( APPEND PROTOTYPES "}\n" )

  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.cpp" ${FUNCTIONS_MAP})
  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.h" ${PROTOTYPES})

  endif() # process functions

  # Build fake library
  if(MSVC)
    set (FAKE_LIB_GRASS_GIS "libgrass_gis.${GRASS_VERSION}")
  else()
    set (FAKE_LIB_GRASS_GIS "grass_gis.${GRASS_VERSION}")
  endif()
  add_library(${FAKE_LIB_GRASS_GIS} MODULE qgsgrassgislib.cpp qgsgrassgislibfunctions.cpp )

  # require c++17
  target_compile_features(${FAKE_LIB_GRASS_GIS} PRIVATE cxx_std_17)

  # GRASS_LIBRARY_gis is path to the GRASS library used for compilation, it is the same
  # on runtime on Linux and Mac but on Windows with OSGEO4W the GRASS may be installed
  # in different directory
  set_target_properties(${FAKE_LIB_GRASS_GIS} PROPERTIES
    CLEAN_DIRECT_OUTPUT 1
    COMPILE_FLAGS "-DGRASS_VERSION=\\\"${GRASS_VERSION}\\\" -DGRASS_LIBRARY_GIS=\\\"${GRASS_LIBRARY_gis}\\\" \"-I${CMAKE_CURRENT_SOURCE_DIR}\" ")

  if (NOT APPLE)
    set_target_properties(${FAKE_LIB_GRASS_GIS} PROPERTIES
      VERSION ${COMPLETE_VERSION}
      SOVERSION ${COMPLETE_VERSION}
      )
  endif()

  target_link_libraries(${FAKE_LIB_GRASS_GIS}
    qgis_core
  )


  install(TARGETS ${FAKE_LIB_GRASS_GIS}
    RUNTIME DESTINATION ${QGIS_PLUGIN_DIR}
    LIBRARY DESTINATION ${QGIS_PLUGIN_DIR})
endif()