cmake_minimum_required(VERSION 3.22)

project(BFBCompiler C)

add_custom_command(
    OUTPUT ../src/frontend/syntactic-analysis/bison-parser.c ../src/frontend/syntactic-analysis/bison-parser.h
    # COMMAND bison -d ../src/frontend/syntactic-analysis/bison-grammar.y -o ../src/frontend/syntactic-analysis/bison-parser.c)
    COMMAND bison -Wcounterexamples -d ../src/frontend/syntactic-analysis/bison-grammar.y -o ../src/frontend/syntactic-analysis/bison-parser.c)
    # COMMAND bison -t -d ../src/frontend/syntactic-analysis/bison-grammar.y -o ../src/frontend/syntactic-analysis/bison-parser.c)

if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
    message(NOTICE "El compilador de C es GCC.")

    add_compile_options(-static-libgcc)
    add_compile_options(-std=gnu99)
    add_compile_options(-O3)

    add_custom_command(
        OUTPUT ../src/frontend/lexical-analysis/flex-scanner.c
        COMMAND flex -o ../src/frontend/lexical-analysis/flex-scanner.c ../src/frontend/lexical-analysis/flex-patterns.l
        DEPENDS ../src/frontend/syntactic-analysis/bison-parser.c ../src/frontend/syntactic-analysis/bison-parser.h)
        # COMMAND flex --debug -o ../src/frontend/lexical-analysis/flex-scanner.c ../src/frontend/lexical-analysis/flex-patterns.l

elseif (CMAKE_C_COMPILER_ID STREQUAL "MSVC")
    message(NOTICE "El compilador de C es Microsoft Visual Studio.")

    add_custom_command(
        OUTPUT ../src/frontend/lexical-analysis/flex-scanner.c
        COMMAND flex --wincompat -o ../src/frontend/lexical-analysis/flex-scanner.c ../src/frontend/lexical-analysis/flex-patterns.l
        DEPENDS ../src/frontend/syntactic-analysis/bison-parser.c ../src/frontend/syntactic-analysis/bison-parser.h)

else ()
    message(NOTICE "El compilador de C es desconocido.")
    message(NOTICE "No se generará el scanner con Flex.")

endif ()

add_executable(BFBCompiler
    src/main.c
    src/backend/code-generation/generator.c
    src/backend/domain-specific/calculator.c
    src/backend/support/logger.c
    src/frontend/lexical-analysis/flex-actions.c
    src/frontend/lexical-analysis/flex-scanner.c
    src/frontend/syntactic-analysis/bison-actions.c
    src/frontend/syntactic-analysis/bison-parser.c)

include(CheckFunctionExists)
check_function_exists(pow POW_FUNCTION_EXISTS)
# check_symbol_exists(pow "math.h" POW_FUNCTION_EXISTS)
if (NOT POW_FUNCTION_EXISTS)
    target_link_libraries(BFBCompiler m)
else ()
    target_link_libraries(BFBCompiler)
endif ()

file(GLOB_RECURSE correct_use_cases "doc/examples/correct/use-case-*.b" )
file(GLOB_RECURSE incorrect_use_cases "doc/examples/incorrect/use-case-*.b" )

enable_testing()
foreach(test ${correct_use_cases})
    add_test(NAME ${test}
    COMMAND ${CMAKE_SOURCE_DIR}/run.sh ${test}
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
endforeach()
foreach(test ${incorrect_use_cases})
    add_test(NAME ${test}
    COMMAND ${CMAKE_SOURCE_DIR}/run.sh ${test}
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    set_tests_properties(${test} PROPERTIES WILL_FAIL TRUE)
endforeach()