cmake_minimum_required(VERSION 3.26)
project(mcalc)

set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 23)

find_package(FLEX REQUIRED)
find_package(BISON REQUIRED)

add_subdirectory(external)

file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/fb)

BISON_TARGET(parser src/parser.y ${CMAKE_CURRENT_BINARY_DIR}/fb/parser.cpp DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/fb/parser.h)
FLEX_TARGET(scanner src/tokens.l ${CMAKE_CURRENT_BINARY_DIR}/fb/lexer.cpp DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/fb/lexer.h)
ADD_FLEX_BISON_DEPENDENCY(scanner parser)

add_executable(mcalc
    ${BISON_parser_OUTPUTS}
    ${FLEX_scanner_OUTPUTS}

    src/main.cpp
    src/gui.cpp
    src/state.cpp
    src/mcalc.h
    include/lexer_base.h
    include/node.h
)
target_link_libraries(mcalc PRIVATE ext)
target_include_directories(mcalc PRIVATE include ${CMAKE_CURRENT_BINARY_DIR}/fb)