mirror of
https://github.com/ArthurSonzogni/Diagon.git
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Arthur Sonzogni (slow/sick)
46 lines
1.6 KiB
CMake
46 lines
1.6 KiB
CMake
# ┌─────────────────────────────────────────────────┐
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# │ ANTLR │
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# └─────────────────────────────────────────────────┘
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if(NOT EXISTS "${CMAKE_BINARY_DIR}/antlr.jar")
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execute_process(
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COMMAND curl http://www.antlr.org/download/antlr-4.11.1-complete.jar -L -o antlr.jar
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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)
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endif()
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# Function
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# ANTLR(<file.g4>)
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#
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# Description:
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# Take an ANTLR file and produce a CMake rule to generate the corresponding
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# C++ files.
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#
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# Notes:
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# The ANTLR file path must be relative to ${CMAKE_CURRENT_SOURCE_DIR}
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#
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# Example:
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# ANTLR(Grammar.g4)
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function(ANTLR source)
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get_filename_component(source_filename ${CMAKE_CURRENT_SOURCE_DIR}/${source} NAME_WE)
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get_filename_component(source_src_dir ${CMAKE_CURRENT_SOURCE_DIR}/${source} DIRECTORY)
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get_filename_component(source_gen_dir ${CMAKE_CURRENT_BINARY_DIR}/${source} DIRECTORY)
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add_custom_command(
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OUTPUT
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${source_gen_dir}/${source_filename}Lexer.cpp
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${source_gen_dir}/${source_filename}Parser.cpp
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${source_gen_dir}/${source_filename}Lexer.h
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${source_gen_dir}/${source_filename}Parser.h
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COMMAND
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java
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ARGS
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-jar ${CMAKE_BINARY_DIR}/antlr.jar
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-Dlanguage=Cpp
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-no-listener
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-no-visitor
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-o ${source_gen_dir}
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${source_src_dir}/${source_filename}.g4
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MAIN_DEPENDENCY
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${source_src_dir}/${source_filename}.g4
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)
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endfunction()
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