ladybird/Meta/CMake/code_generators.cmake
Andrew Kaster aa329cb2f8 IPCCompiler: Add option to pass output file path
Instead of requiring the caller to redirect stdout, let's be nice
citizens and add an option for the output file.
2023-07-07 06:41:51 -04:00

66 lines
2.9 KiB
CMake

#
# Functions for generating sources using host tools
#
function(compile_gml source output string_name)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND ${SerenityOS_SOURCE_DIR}/Meta/text-to-cpp-string.sh ${string_name} ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS ${SerenityOS_SOURCE_DIR}/Meta/text-to-cpp-string.sh
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
add_dependencies(all_generated generate_${output_name})
endfunction()
function(compile_ipc source output)
if (NOT IS_ABSOLUTE ${source})
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
endif()
add_custom_command(
OUTPUT ${output}
COMMAND $<TARGET_FILE:Lagom::IPCCompiler> ${source} -o ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS Lagom::IPCCompiler
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
add_dependencies(all_generated generate_${output_name})
# TODO: Use cmake_path() when we upgrade the minimum CMake version to 3.20
# https://cmake.org/cmake/help/v3.23/command/cmake_path.html#relative-path
string(LENGTH ${SerenityOS_SOURCE_DIR} root_source_dir_length)
string(SUBSTRING ${CMAKE_CURRENT_SOURCE_DIR} ${root_source_dir_length} -1 current_source_dir_relative)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${output} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${current_source_dir_relative}" OPTIONAL)
endfunction()
function(generate_state_machine source header)
get_filename_component(header_name ${header} NAME)
set(target_name "generate_${header_name}")
# Note: This function is called twice with the same header, once in the kernel
# and once in Userland/LibVT, this check makes sure that only one target
# is generated for that header.
if(NOT TARGET ${target_name})
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
set(output ${CMAKE_CURRENT_BINARY_DIR}/${header})
add_custom_command(
OUTPUT ${output}
COMMAND $<TARGET_FILE:Lagom::StateMachineGenerator> ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS Lagom::StateMachineGenerator
MAIN_DEPENDENCY ${source}
)
add_custom_target(${target_name} DEPENDS ${output})
add_dependencies(all_generated ${target_name})
endif()
endfunction()