mirror of
https://github.com/allemangD/toddcox-visualize.git
synced 2025-11-10 03:52:48 -05:00
87 lines
2.8 KiB
CMake
87 lines
2.8 KiB
CMake
find_program(EMBED_LD ${CMAKE_LINKER})
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find_program(EMBED_OBJCOPY ${CMAKE_OBJCOPY})
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function(_generate_embed_source EMBED_NAME)
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set(options)
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set(oneValueArgs SOURCE HEADER)
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set(multiValueArgs FILES)
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cmake_parse_arguments(PARSE "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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set(VIEW_DECLARATIONS)
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set(VOID_DECLARATIONS)
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set(DEFINITIONS)
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foreach (FILE IN LISTS PARSE_FILES)
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get_filename_component(FILE_NAME "${FILE}" NAME)
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string(MAKE_C_IDENTIFIER "_binary_${FILE}" SYMBOL)
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string(MAKE_C_IDENTIFIER "${FILE_NAME}" IDENTIFIER)
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string(APPEND VIEW_DECLARATIONS
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" /// ${FILE} Text Contents\n"
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" extern std::string_view const ${IDENTIFIER};\n")
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string(APPEND VOID_DECLARATIONS
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" /// ${FILE} Binary Contents\n"
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" extern void* const ${IDENTIFIER};\n")
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string(APPEND DEFINITIONS
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"// ${IDENTIFIER} (${FILE})\n"
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"extern \"C\" const char ${SYMBOL}_start[], ${SYMBOL}_end[];\n"
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"std::string_view const ${EMBED_NAME}::${IDENTIFIER}(${SYMBOL}_start, ${SYMBOL}_end);\n"
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"void* const ${EMBED_NAME}::bin::${IDENTIFIER} = (void *) ${SYMBOL}_start;\n\n")
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endforeach ()
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file(WRITE "${PARSE_HEADER}"
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"#pragma once\n"
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"#include <string>\n\n"
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"namespace ${EMBED_NAME} {\n${VIEW_DECLARATIONS}}\n\n"
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"namespace ${EMBED_NAME}::bin {\n${VOID_DECLARATIONS}}\n")
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file(WRITE "${PARSE_SOURCE}"
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"#include <${EMBED_NAME}.hpp>\n\n"
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"${DEFINITIONS}")
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endfunction()
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function(_embed_file OUTPUT_OBJECT FILE)
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set(OBJECT "${CMAKE_CURRENT_BINARY_DIR}/${FILE}.o")
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set(${OUTPUT_OBJECT} ${OBJECT} PARENT_SCOPE)
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add_custom_command(
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COMMENT "Embedding ${FILE} in ${OBJECT}"
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OUTPUT "${FILE}.o" DEPENDS "${FILE}"
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}
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COMMAND ${EMBED_LD} -r -o "${OBJECT}" --format=binary "${FILE}"
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COMMAND ${EMBED_OBJCOPY} --rename-section .data=.rodata,alloc,load,readonly,data,contents "${OBJECT}"
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VERBATIM
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)
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endfunction()
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function(add_embed_library EMBED_NAME)
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set(FILES ${ARGN})
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set(EMBED_ROOT ${CMAKE_CURRENT_BINARY_DIR}/_embed/${EMBED_NAME})
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set(EMBED_SOURCE "${EMBED_ROOT}/${EMBED_NAME}.cpp")
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set(EMBED_INCLUDE "${EMBED_ROOT}/include")
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set(EMBED_HEADER "${EMBED_INCLUDE}/${EMBED_NAME}.hpp")
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set(OBJECTS)
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foreach (FILE ${ARGN})
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_embed_file(OBJECT ${FILE})
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list(APPEND OBJECTS ${OBJECT})
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endforeach ()
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message(STATUS "Generating embedding library ${EMBED_NAME}")
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_generate_embed_source(
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${EMBED_NAME}
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SOURCE ${EMBED_SOURCE}
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HEADER ${EMBED_HEADER}
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FILES ${FILES})
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add_library(${EMBED_NAME} STATIC ${OBJECTS} "${EMBED_SOURCE}")
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target_include_directories(${EMBED_NAME} PUBLIC "${EMBED_INCLUDE}")
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set_target_properties(${EMBED_NAME} PROPERTIES POSITION_INDEPENDENT_CODE ON)
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endfunction()
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