cmake_minimum_required(VERSION 3.20)
project("simple-c")

find_package(BISON REQUIRED)
find_package(FLEX REQUIRED)

if (WIN32)
    set (ADDITIONAL_FLEX_FLAGS "--wincompat")
else()
    set (ADDITIONAL_FLEX_FLAGS "")
endif()

flex_target(lexer
    lexer.l
    ${CMAKE_CURRENT_BINARY_DIR}/lexer.c
    DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/lexer.h
    COMPILE_FLAGS ${ADDITIONAL_FLEX_FLAGS}
)

bison_target(parser
    parser.y
    ${CMAKE_CURRENT_BINARY_DIR}/parser.c
    COMPILE_FLAGS "-d -v"
)

add_flex_bison_dependency(lexer parser)

include_directories(
    ${CMAKE_CURRENT_BINARY_DIR}
    ${CMAKE_CURRENT_SOURCE_DIR}
)

set(source_files
    ${CMAKE_CURRENT_BINARY_DIR}/parser.c
    ${CMAKE_CURRENT_BINARY_DIR}/lexer.c
)

add_executable(${PROJECT_NAME} ${source_files} ${BISON_PARSER_OUTPUTS} ${FLEX_LEXER_OUTPUTS})