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Meta: Add ability for code generator to output one extra header

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Andreas Kling 2025-11-20 22:07:09 +01:00 • committed by Andreas Kling
parent 408bbead31
commit 84443e1de6
Notes: github-actions[bot] 2025-11-21 08:47:53 +00:00
1 changed files with 34 additions and 6 deletions
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40
Meta/CMake/utils.cmake
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@ -41,18 +41,38 @@ function(remove_path_if_version_changed version version_file cache_path)
endfunction()
function(invoke_generator_impl name generator primary_source header implementation)
cmake_parse_arguments(invoke_generator_impl "" "" "command;arguments;dependencies" ${ARGN})
cmake_parse_arguments(invoke_generator_impl "" "extra_header" "command;arguments;dependencies" ${ARGN})
set(extra_outputs)
set(extra_commands)
if (invoke_generator_impl_extra_header)
set(extra_outputs "${invoke_generator_impl_extra_header}")
list(APPEND extra_commands
COMMAND "${CMAKE_COMMAND}" -E copy_if_different
"${invoke_generator_impl_extra_header}.tmp"
"${invoke_generator_impl_extra_header}"
COMMAND "${CMAKE_COMMAND}" -E remove
"${invoke_generator_impl_extra_header}.tmp"
)
endif()
add_custom_command(
OUTPUT "${header}" "${implementation}"
COMMAND ${invoke_generator_impl_command} ${generator} -h "${header}.tmp" -c "${implementation}.tmp" ${invoke_generator_impl_arguments}
OUTPUT "${header}" "${implementation}" ${extra_outputs}
COMMAND ${invoke_generator_impl_command} ${generator}
-h "${header}.tmp"
-c "${implementation}.tmp"
${invoke_generator_impl_arguments}
COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${header}.tmp" "${header}"
COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${implementation}.tmp" "${implementation}"
COMMAND "${CMAKE_COMMAND}" -E remove "${header}.tmp" "${implementation}.tmp"
${extra_commands}
VERBATIM
DEPENDS ${generator} ${invoke_generator_impl_dependencies} "${primary_source}"
)
add_custom_target("generate_${name}" DEPENDS "${header}" "${implementation}")
add_custom_target("generate_${name}" DEPENDS
"${header}" "${implementation}" ${extra_outputs})
add_dependencies(ladybird_codegen_accumulator "generate_${name}")
list(APPEND CURRENT_LIB_GENERATED "${name}")
set(CURRENT_LIB_GENERATED ${CURRENT_LIB_GENERATED} PARENT_SCOPE)
@ -72,8 +92,15 @@ function(invoke_cpp_generator name generator primary_source header implementatio
endfunction()
function(invoke_py_generator name script primary_source header implementation)
cmake_parse_arguments(invoke_py_generator "" "" "arguments" ${ARGN})
cmake_parse_arguments(invoke_py_generator "" "EXTRA_HEADER" "arguments" ${ARGN})
find_package(Python3 REQUIRED COMPONENTS Interpreter)
set(py_generator_arguments ${invoke_py_generator_arguments})
if (invoke_py_generator_EXTRA_HEADER)
list(APPEND py_generator_arguments
-x "${invoke_py_generator_EXTRA_HEADER}.tmp")
endif()
invoke_generator_impl(
${name}
"${LADYBIRD_PROJECT_ROOT}/Meta/${script}"
@ -81,7 +108,8 @@ function(invoke_py_generator name script primary_source header implementation)
${header}
${implementation}
command ${Python3_EXECUTABLE}
arguments ${invoke_py_generator_arguments}
arguments ${py_generator_arguments}
extra_header "${invoke_py_generator_EXTRA_HEADER}"
)
endfunction()