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dusk/cmake/modules/duskjs2c.cmake
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2026-06-06 18:46:08 -05:00

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1.3 KiB
CMake

# Copyright (c) 2026 Dominic Masters
#
# This software is released under the MIT License.
# https://opensource.org/licenses/MIT
# dusk_embed_js(TARGET JS_FILE [NAME identifier])
#
# Converts a JS file into a C string header in DUSK_GENERATED_HEADERS_DIR.
# The generated header defines:
# static const char <NAME>[] = "...";
# static const size_t <NAME>_SIZE = sizeof(<NAME>) - 1;
#
# NAME defaults to the uppercase stem + "_JS" (e.g. scene.js -> SCENE_JS).
function(dusk_embed_js TARGET JS_FILE)
cmake_parse_arguments(ARG "" "NAME" "" ${ARGN})
get_filename_component(JS_ABS "${JS_FILE}" ABSOLUTE)
get_filename_component(JS_STEM "${JS_FILE}" NAME_WE)
set(OUTPUT_HEADER "${DUSK_GENERATED_HEADERS_DIR}/${JS_STEM}_js.h")
set(NAME_ARG "")
if(ARG_NAME)
set(NAME_ARG "--name" "${ARG_NAME}")
endif()
add_custom_command(
OUTPUT "${OUTPUT_HEADER}"
COMMAND ${Python3_EXECUTABLE} -m tools.js2c
--input "${JS_ABS}"
--output "${OUTPUT_HEADER}"
${NAME_ARG}
WORKING_DIRECTORY "${DUSK_ROOT_DIR}"
DEPENDS "${JS_ABS}"
COMMENT "js2c: ${JS_STEM}.js -> ${JS_STEM}_js.h"
VERBATIM
)
file(RELATIVE_PATH JS_REL "${DUSK_ROOT_DIR}" "${JS_ABS}")
string(MAKE_C_IDENTIFIER "dusk_js2c_${JS_REL}" JS_TARGET)
add_custom_target(${JS_TARGET} DEPENDS "${OUTPUT_HEADER}")
add_dependencies(${TARGET} ${JS_TARGET})
endfunction()