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Meta: Move code generator helpers to their own CMake helper file

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compile_gml, compile_ipc, and generate_state_machine all use host
tools to generate sources for the target build. As part of trying to
organize host tools into a common area, let's move these helper rules to
a common file that we can add other host tools to later. And, keep the
host tool helpers separate from the CMake target helpers for apps and
libraries.
This commit is contained in:
Andrew Kaster 2021-08-07 17:37:09 -06:00 committed by Linus Groh
parent a83847f8bf
commit 20e904d87c
Notes: sideshowbarker 2024-07-18 05:10:53 +09:00 
Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/20e904d87cb
Pull-request: https://github.com/SerenityOS/serenity/pull/9281
Reviewed-by: https://github.com/BenWiederhake
2 changed files with 56 additions and 47 deletions
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55
Meta/CMake/code_generators.cmake Normal file
View File

@ -0,0 +1,55 @@
#
# 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})
endfunction()
function(compile_ipc source output)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND $<TARGET_FILE:IPCCompiler> ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS IPCCompiler
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
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:StateMachineGenerator> ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS StateMachineGenerator
MAIN_DEPENDENCY ${source}
)
add_custom_target(${target_name} DEPENDS ${output})
endif()
endfunction()

48
Meta/CMake/utils.cmake
View File

@ -1,5 +1,6 @@
include(${CMAKE_CURRENT_LIST_DIR}/serenity_components.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/code_generators.cmake)
function(serenity_install_headers target_name)
file(GLOB_RECURSE headers RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.h")
@ -137,33 +138,6 @@ function(serenity_app target_name)
endif()
endfunction()
function(compile_gml source output string_name)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND ${write_if_different} ${output} ${CMAKE_SOURCE_DIR}/Meta/text-to-cpp-string.sh ${string_name} ${source}
VERBATIM
DEPENDS ${CMAKE_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})
endfunction()
function(compile_ipc source output)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND ${write_if_different} ${output} ${CMAKE_BINARY_DIR}/Userland/DevTools/IPCCompiler/IPCCompiler ${source}
VERBATIM
DEPENDS IPCCompiler
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
endfunction()
function(embed_resource target section file)
get_filename_component(asm_file "${file}" NAME)
set(asm_file "${CMAKE_CURRENT_BINARY_DIR}/${target}-${section}.s")
@ -177,23 +151,3 @@ function(embed_resource target section file)
)
target_sources("${target}" PRIVATE "${asm_file}")
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 ${write_if_different} ${output} ${CMAKE_BINARY_DIR}/Userland/DevTools/StateMachineGenerator/StateMachineGenerator ${source}
VERBATIM
DEPENDS StateMachineGenerator
MAIN_DEPENDENCY ${source}
)
add_custom_target(${target_name} DEPENDS ${output})
endif()
endfunction()