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Merge pull request godotengine#1670 from enetheru/build_profile
CMake: Support for using build_profile.json
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| #[=======================================================================[.rst: | ||
| python_callouts.cmake | ||
| --------------------- | ||
| This file contains functions which which rely on calling Python | ||
| * Generate Trimmed API | ||
| * Generate File List | ||
| * Generate Bindings | ||
| ]=======================================================================] | ||
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| #[[ Generate Trimmed API | ||
| The build_profile.py has a __main__ and is used as a tool | ||
| Its usage is listed as: | ||
| $ python build_profile.py BUILD_PROFILE INPUT_JSON [OUTPUT_JSON] | ||
| ]] | ||
| function( build_profile_generate_trimmed_api BUILD_PROFILE INPUT_JSON OUTPUT_JSON ) | ||
| execute_process( | ||
| COMMAND "${Python3_EXECUTABLE}" "build_profile.py" "${BUILD_PROFILE}" "${INPUT_JSON}" "${OUTPUT_JSON}" | ||
| WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} | ||
| ) | ||
| endfunction( ) | ||
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| #[[ Generate File List | ||
| Use the binding_generator.py Python script to determine the list of files that | ||
| will be passed to the code generator using extension_api.json. | ||
| NOTE: This happens for every configure.]] | ||
| function( binding_generator_get_file_list OUT_VAR_NAME API_FILEPATH OUTPUT_DIR ) | ||
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| # This code snippet will be squashed into a single line | ||
| # The two strings make this a list, in CMake lists are semicolon delimited strings. | ||
| set( PYTHON_SCRIPT | ||
| "from binding_generator import print_file_list" | ||
| "print_file_list( api_filepath='${API_FILEPATH}', | ||
| output_dir='${OUTPUT_DIR}', | ||
| headers=True, | ||
| sources=True)") | ||
| message( DEBUG "Python:\n${PYTHON_SCRIPT}" ) | ||
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| # Strip newlines and whitespace to make it a one-liner. | ||
| string( REGEX REPLACE "\n *" " " PYTHON_SCRIPT "${PYTHON_SCRIPT}" ) | ||
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| execute_process( COMMAND "${Python3_EXECUTABLE}" "-c" "${PYTHON_SCRIPT}" | ||
| WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} | ||
| OUTPUT_VARIABLE GENERATED_FILES_LIST | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE | ||
| ) | ||
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| # Debug output | ||
| message( DEBUG "FileList-Begin" ) | ||
| foreach( PATH ${GENERATED_FILES_LIST} ) | ||
| message( DEBUG ${PATH} ) | ||
| endforeach() | ||
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| # Error out if the file list generator returned no files. | ||
| list( LENGTH GENERATED_FILES_LIST LIST_LENGTH ) | ||
| if( NOT LIST_LENGTH GREATER 0 ) | ||
| message( FATAL_ERROR "File List Generation Failed") | ||
| endif() | ||
| message( STATUS "There are ${LIST_LENGTH} Files to generate" ) | ||
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| set( ${OUT_VAR_NAME} ${GENERATED_FILES_LIST} PARENT_SCOPE ) | ||
| endfunction( ) | ||
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| #[[ Generate Bindings | ||
| Using the generated file list, use the binding_generator.py to generate the | ||
| godot-cpp bindings. This will run at build time only if there are files | ||
| missing. ]] | ||
| function( binding_generator_generate_bindings API_FILE USE_TEMPLATE_GET_NODE, BITS, PRECISION, OUTPUT_DIR ) | ||
| # This code snippet will be squashed into a single line | ||
| set( PYTHON_SCRIPT | ||
| "from binding_generator import generate_bindings" | ||
| "generate_bindings( | ||
| api_filepath='${API_FILE}', | ||
| use_template_get_node='${USE_TEMPLATE_GET_NODE}', | ||
| bits='${BITS}', | ||
| precision='${PRECISION}', | ||
| output_dir='${OUTPUT_DIR}')") | ||
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| message( DEBUG "Python:\n${PYTHON_SCRIPT}" ) | ||
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| # Strip newlines and whitespace to make it a one-liner. | ||
| string( REGEX REPLACE "\n *" " " PYTHON_SCRIPT "${PYTHON_SCRIPT}" ) | ||
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| add_custom_command(OUTPUT ${GENERATED_FILES_LIST} | ||
| COMMAND "${Python3_EXECUTABLE}" "-c" "${PYTHON_SCRIPT}" | ||
| VERBATIM | ||
| WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} | ||
| MAIN_DEPENDENCY ${GODOT_GDEXTENSION_API_FILE} | ||
| DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/binding_generator.py | ||
| COMMENT "Generating bindings" | ||
| ) | ||
| endfunction( ) |