if(NOT REALM_CORE_SUBMODULE_BUILD)
    find_package(BISON 3.8.2 EXACT)
    find_package(FLEX 2.6.4 EXACT)

    # Only run Flex and Bison if we're building Realm Core directly, not as a submodule
    if(BISON_FOUND)
        add_custom_command(
            OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/generated/query_bison.cpp ${CMAKE_CURRENT_SOURCE_DIR}/generated/query_bison.hpp
            MAIN_DEPENDENCY query_bison.yy
            COMMAND ${BISON_EXECUTABLE} --defines=generated/query_bison.hpp -o generated/query_bison.cpp query_bison.yy
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
        )
    endif()
    if(FLEX_FOUND)
        add_custom_command(
            OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/generated/query_flex.cpp ${CMAKE_CURRENT_SOURCE_DIR}/generated/query_flex.hpp
            MAIN_DEPENDENCY query_flex.ll
            COMMAND ${FLEX_EXECUTABLE} --noline --header-file=generated/query_flex.hpp -ogenerated/query_flex.cpp query_flex.ll
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
        )
    endif()

    if(BISON_FOUND AND FLEX_FOUND)
        add_custom_target(GenerateParserSources
            COMMAND ${FLEX_EXECUTABLE} --noline --header-file=generated/query_flex.hpp -ogenerated/query_flex.cpp query_flex.ll
            COMMAND ${BISON_EXECUTABLE} --defines=generated/query_bison.hpp -o generated/query_bison.cpp query_bison.yy
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
            DEPENDS query_bison.yy query_flex.ll
        )
    endif()
endif()

set(REALM_PARSER_SOURCES
    driver.cpp
    keypath_mapping.cpp
) # REALM_PARSER_SOURCES

set(REALM_PARSER_GENERATED
    generated/query_flex.cpp
    generated/query_bison.cpp
) # REALM_PARSER_SOURCES

set(REALM_PARSER_HEADERS
    driver.hpp
    keypath_mapping.hpp
    query_parser.hpp
    generated/query_bison.hpp
    generated/query_flex.hpp
)

set(REALM_PARSER_INSTALL_HEADERS
    keypath_mapping.hpp
    query_parser.hpp
)

# Add these files so that they appear in cmake generated projects for IDE
set(REALM_PARSER_EXTRAS
    query_bison.yy
    query_flex.ll
)

# Add custom warning flags for generated parser files if the flag is supported
append_source_file_compile_options(FILES ${REALM_PARSER_GENERATED} FLAGS -Wno-unused-but-set-variable)

# Append additional compile options to the generated/query_flex.cpp file
if(MSVC)
    append_source_file_compile_options(FILES generated/query_flex.cpp FLAGS /wd4018)
else()
    append_source_file_compile_options(FILES generated/query_flex.cpp FLAGS -Wno-unreachable-code -Wno-sign-compare)
endif()

add_library(QueryParser STATIC ${REALM_PARSER_SOURCES} ${REALM_PARSER_GENERATED} ${REALM_PARSER_HEADERS} ${REALM_PARSER_EXTRAS})
add_library(realm-parser ALIAS QueryParser)
add_library(Realm::QueryParser ALIAS QueryParser)
target_link_libraries(QueryParser PUBLIC Storage)
set_target_properties(QueryParser PROPERTIES OUTPUT_NAME "realm-parser")

install(TARGETS QueryParser EXPORT realm
        ARCHIVE DESTINATION lib
        COMPONENT devel)

INSTALL(FILES ${REALM_PARSER_INSTALL_HEADERS}
        DESTINATION include/realm/parser
        COMPONENT devel)