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cmake_minimum_required (VERSION 3.0)
project (RegexClear C)
function (output_results msg)
message("results from: ${msg}")
message("CMAKE_MATCH_0: -->${CMAKE_MATCH_0}<--")
message("CMAKE_MATCH_1: -->${CMAKE_MATCH_1}<--")
message("CMAKE_MATCH_2: -->${CMAKE_MATCH_2}<--")
message("CMAKE_MATCH_COUNT: -->${CMAKE_MATCH_COUNT}<--")
endfunction ()
function (check_for_success msg)
if (CMAKE_MATCH_1 STREQUAL "0" AND
CMAKE_MATCH_2 STREQUAL "1")
message("Matched string properly")
else ()
message("Failed to match properly")
endif ()
output_results("${msg}")
endfunction ()
function (check_for_failure msg)
if (CMAKE_MATCH_1 STREQUAL "" AND
CMAKE_MATCH_2 STREQUAL "")
message("Matched nothing properly")
else ()
message("Found a match where there should be none")
endif ()
output_results("${msg}")
endfunction ()
macro (do_regex_success msg)
string(REGEX MATCH "(0)(1)" output "01")
check_for_success("${msg}")
endmacro ()
macro (do_regex_failure msg)
string(REGEX MATCH "(0)(1)" output "12")
check_for_failure("${msg}")
endmacro ()
do_regex_success("setting up initial state")
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake")
find_package(dummy) # Ensure cmMakefile::PushScope/PopScope work.
check_for_failure("checking after find_package")
do_regex_failure("clearing out results with a failing match")
do_regex_success("making a successful match before add_subdirectory")
add_subdirectory(subdir)
check_for_success("ensuring the subdirectory did not interfere with the parent") # Ensure that the subdir didn't mess with this scope.
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