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100 lines
4.4 KiB
CMake
100 lines
4.4 KiB
CMake
# OrcaSlicer Config Codegen CMake Module
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#
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# Generates C++ source files from protobuf schema definitions.
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# Generated files live in src/slic3r/GUI/generated/ and are gitignored.
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# Run 'python tools/run_codegen.py' (requires grpcio-tools or protoc) to regenerate.
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#
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# Targets:
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# codegen_config - Custom target to regenerate C++ from .proto files
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# validate_config - Custom target to validate generated vs original
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#
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# Usage in parent CMakeLists.txt:
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# include(cmake/modules/ConfigCodegen.cmake)
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find_program(PROTOC_EXECUTABLE protoc)
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find_package(Python3 COMPONENTS Interpreter QUIET)
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# If generated files are missing (fresh clone), run codegen immediately at configure time.
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# This allows cmake configure + build to work without a separate pre-build step.
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set(_generated_marker "${CMAKE_SOURCE_DIR}/src/slic3r/GUI/generated/PrintConfigDef_generated.cpp")
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if(Python3_EXECUTABLE AND NOT EXISTS "${_generated_marker}")
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message(STATUS "Config codegen: generated files missing — running codegen now...")
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execute_process(
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COMMAND ${Python3_EXECUTABLE} "${CMAKE_SOURCE_DIR}/tools/run_codegen.py" --no-validate
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
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RESULT_VARIABLE _codegen_result
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)
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if(NOT _codegen_result EQUAL 0)
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message(FATAL_ERROR "Config codegen failed. Install grpcio-tools: pip install grpcio-tools")
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endif()
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message(STATUS "Config codegen: generated files created successfully")
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elseif(NOT Python3_EXECUTABLE AND NOT EXISTS "${_generated_marker}")
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message(FATAL_ERROR "Config codegen: generated files missing and Python3 not found.\n"
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"Install Python and grpcio-tools: pip install grpcio-tools\n"
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"Then run: python tools/run_codegen.py")
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endif()
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set(CONFIG_PROTO_DIR "${CMAKE_SOURCE_DIR}/src/PrintConfigs")
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set(CONFIG_CODEGEN_DIR "${CMAKE_SOURCE_DIR}/src/slic3r/GUI/generated")
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set(CONFIG_LAYOUT_YAML "${CMAKE_SOURCE_DIR}/src/PrintConfigs/layout.yaml")
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set(CONFIG_DESC_FILE "${CMAKE_BINARY_DIR}/config.desc")
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set(CODEGEN_TOOL "${CMAKE_SOURCE_DIR}/tools/config_codegen.py")
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set(VALIDATE_TOOL "${CMAKE_SOURCE_DIR}/tools/validate_codegen.py")
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set(RUN_CODEGEN_TOOL "${CMAKE_SOURCE_DIR}/tools/run_codegen.py")
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# Generated output files (TabLayout_generated.cpp is also generated from layout.yaml)
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set(CONFIG_GENERATED_SOURCES
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"${CONFIG_CODEGEN_DIR}/PrintConfigDef_generated.cpp"
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"${CONFIG_CODEGEN_DIR}/Preset_options_generated.cpp"
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"${CONFIG_CODEGEN_DIR}/Invalidation_generated.cpp"
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"${CONFIG_CODEGEN_DIR}/OptionKeys_generated.cpp"
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"${CONFIG_CODEGEN_DIR}/TabLayout_generated.cpp"
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)
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# Collect all .proto source files (flat in src/PrintConfigs/, excluding config_metadata.proto)
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file(GLOB CONFIG_PROTO_FILES
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"${CONFIG_PROTO_DIR}/filament.proto"
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"${CONFIG_PROTO_DIR}/print.proto"
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"${CONFIG_PROTO_DIR}/printer.proto"
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)
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set(CONFIG_PROTO_FILES
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"${CONFIG_PROTO_DIR}/config_metadata.proto"
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${CONFIG_PROTO_FILES}
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)
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if(Python3_EXECUTABLE)
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# Single command: run_codegen.py handles protoc/grpcio-tools detection internally.
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# Proto files → generated .cpp files. Runs automatically when any .proto changes.
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add_custom_command(
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OUTPUT ${CONFIG_GENERATED_SOURCES}
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COMMAND ${Python3_EXECUTABLE} ${RUN_CODEGEN_TOOL} --no-validate
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DEPENDS ${CONFIG_PROTO_FILES} ${CONFIG_LAYOUT_YAML} ${CODEGEN_TOOL}
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
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COMMENT "Re-generating config C++ from changed .proto files"
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VERBATIM
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)
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# codegen_config is part of ALL — runs before every build, checks if protos changed.
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add_custom_target(codegen_config ALL
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DEPENDS ${CONFIG_GENERATED_SOURCES}
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COMMENT "Config codegen up to date"
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)
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# Validation target: cmake --build . --target validate_config
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add_custom_target(validate_config
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COMMAND ${Python3_EXECUTABLE} ${VALIDATE_TOOL}
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DEPENDS ${CONFIG_GENERATED_SOURCES}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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COMMENT "Validating generated config code against PrintConfig.cpp"
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VERBATIM
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)
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# Export for use by subdirectories (libslic3r, etc.)
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set(CONFIG_GENERATED_SOURCES "${CONFIG_GENERATED_SOURCES}" CACHE INTERNAL "Generated config cpp files")
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message(STATUS "Config codegen: enabled — proto changes auto-regenerate on next build")
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else()
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message(STATUS "Config codegen: Python3 not found — run: pip install grpcio-tools && python tools/run_codegen.py")
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endif()
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