diff options
Diffstat (limited to 'FindANTLR.cmake')
| -rw-r--r-- | FindANTLR.cmake | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/FindANTLR.cmake b/FindANTLR.cmake new file mode 100644 index 000000000000..4a34d730d156 --- /dev/null +++ b/FindANTLR.cmake @@ -0,0 +1,124 @@ +find_package(Java QUIET COMPONENTS Runtime) + +if(NOT ANTLR_EXECUTABLE) + find_program(ANTLR_EXECUTABLE + NAMES antlr.jar antlr4.jar antlr-4.jar antlr-4.10-complete.jar) +endif() + +if(ANTLR_EXECUTABLE AND Java_JAVA_EXECUTABLE) + execute_process( + COMMAND ${Java_JAVA_EXECUTABLE} -jar ${ANTLR_EXECUTABLE} + OUTPUT_VARIABLE ANTLR_COMMAND_OUTPUT + ERROR_VARIABLE ANTLR_COMMAND_ERROR + RESULT_VARIABLE ANTLR_COMMAND_RESULT + OUTPUT_STRIP_TRAILING_WHITESPACE) + + if(ANTLR_COMMAND_RESULT EQUAL 0) + string(REGEX MATCH "Version [0-9]+(\\.[0-9])*" ANTLR_VERSION ${ANTLR_COMMAND_OUTPUT}) + string(REPLACE "Version " "" ANTLR_VERSION ${ANTLR_VERSION}) + else() + message( + SEND_ERROR + "Command '${Java_JAVA_EXECUTABLE} -jar ${ANTLR_EXECUTABLE}' " + "failed with the output '${ANTLR_COMMAND_ERROR}'") + endif() + + macro(ANTLR_TARGET Name InputFile) + set(ANTLR_OPTIONS LEXER PARSER LISTENER VISITOR) + set(ANTLR_ONE_VALUE_ARGS PACKAGE OUTPUT_DIRECTORY DEPENDS_ANTLR) + set(ANTLR_MULTI_VALUE_ARGS COMPILE_FLAGS DEPENDS) + cmake_parse_arguments(ANTLR_TARGET + "${ANTLR_OPTIONS}" + "${ANTLR_ONE_VALUE_ARGS}" + "${ANTLR_MULTI_VALUE_ARGS}" + ${ARGN}) + + set(ANTLR_${Name}_INPUT ${InputFile}) + + get_filename_component(ANTLR_INPUT ${InputFile} NAME_WE) + + if(ANTLR_TARGET_OUTPUT_DIRECTORY) + set(ANTLR_${Name}_OUTPUT_DIR ${ANTLR_TARGET_OUTPUT_DIRECTORY}) + else() + set(ANTLR_${Name}_OUTPUT_DIR + ${CMAKE_CURRENT_BINARY_DIR}/antlr4cpp_generated_src/${ANTLR_INPUT}) + endif() + + unset(ANTLR_${Name}_CXX_OUTPUTS) + + if((ANTLR_TARGET_LEXER AND NOT ANTLR_TARGET_PARSER) OR + (ANTLR_TARGET_PARSER AND NOT ANTLR_TARGET_LEXER)) + list(APPEND ANTLR_${Name}_CXX_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}.cpp) + set(ANTLR_${Name}_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}.interp + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}.tokens) + else() + list(APPEND ANTLR_${Name}_CXX_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Lexer.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Lexer.cpp + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Parser.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Parser.cpp) + list(APPEND ANTLR_${Name}_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Lexer.interp + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Lexer.tokens) + endif() + + if(ANTLR_TARGET_LISTENER) + list(APPEND ANTLR_${Name}_CXX_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}BaseListener.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}BaseListener.cpp + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Listener.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Listener.cpp) + list(APPEND ANTLR_TARGET_COMPILE_FLAGS -listener) + endif() + + if(ANTLR_TARGET_VISITOR) + list(APPEND ANTLR_${Name}_CXX_OUTPUTS + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}BaseVisitor.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}BaseVisitor.cpp + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Visitor.h + ${ANTLR_${Name}_OUTPUT_DIR}/${ANTLR_INPUT}Visitor.cpp) + list(APPEND ANTLR_TARGET_COMPILE_FLAGS -visitor) + endif() + + if(ANTLR_TARGET_PACKAGE) + list(APPEND ANTLR_TARGET_COMPILE_FLAGS -package ${ANTLR_TARGET_PACKAGE}) + endif() + + list(APPEND ANTLR_${Name}_OUTPUTS ${ANTLR_${Name}_CXX_OUTPUTS}) + + if(ANTLR_TARGET_DEPENDS_ANTLR) + if(ANTLR_${ANTLR_TARGET_DEPENDS_ANTLR}_INPUT) + list(APPEND ANTLR_TARGET_DEPENDS + ${ANTLR_${ANTLR_TARGET_DEPENDS_ANTLR}_INPUT}) + list(APPEND ANTLR_TARGET_DEPENDS + ${ANTLR_${ANTLR_TARGET_DEPENDS_ANTLR}_OUTPUTS}) + else() + message(SEND_ERROR + "ANTLR target '${ANTLR_TARGET_DEPENDS_ANTLR}' not found") + endif() + endif() + + add_custom_command( + OUTPUT ${ANTLR_${Name}_OUTPUTS} + COMMAND ${Java_JAVA_EXECUTABLE} -jar ${ANTLR_EXECUTABLE} + ${InputFile} + -o ${ANTLR_${Name}_OUTPUT_DIR} + -no-listener + -Dlanguage=Cpp + ${ANTLR_TARGET_COMPILE_FLAGS} + DEPENDS ${InputFile} + ${ANTLR_TARGET_DEPENDS} + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} + COMMENT "Building ${Name} with ANTLR ${ANTLR_VERSION}") + endmacro(ANTLR_TARGET) + +endif(ANTLR_EXECUTABLE AND Java_JAVA_EXECUTABLE) + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args( + ANTLR + REQUIRED_VARS ANTLR_EXECUTABLE Java_JAVA_EXECUTABLE + VERSION_VAR ANTLR_VERSION) |