[8cc501] | 1 | # -*- mode: cmake; -*- |
---|
| 2 | # |
---|
| 3 | # |
---|
| 4 | # |
---|
| 5 | |
---|
| 6 | function(add_lex GEN_CPP_FILE INFILE PREFIX) |
---|
| 7 | string(REGEX REPLACE "^.*/" "" FILE ${INFILE}) |
---|
| 8 | string(REPLACE ".l" "" NAME ${FILE}) |
---|
| 9 | |
---|
| 10 | set(_GEN_CPP_FILE ${CMAKE_CURRENT_BINARY_DIR}/${NAME}.cpp) |
---|
| 11 | set(_SOURCE_CPP_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${NAME}.cc) |
---|
| 12 | |
---|
| 13 | message("add_lex ${${GEN_CPP_FILE}} ${INFILE}...") |
---|
| 14 | |
---|
| 15 | if(NOT ${PREFIX} STREQUAL "") |
---|
| 16 | set(OPT "-P${PREFIX}") |
---|
| 17 | set(_orig ${CMAKE_CURRENT_SOURCE_DIR}/libparse.cc) |
---|
| 18 | else(NOT ${PREFIX} STREQUAL "") |
---|
| 19 | set(OPT "-s") |
---|
| 20 | set(_orig ${CMAKE_CURRENT_SOURCE_DIR}/scanner.cc) |
---|
| 21 | endif(NOT ${PREFIX} STREQUAL "") |
---|
| 22 | |
---|
| 23 | add_custom_command(OUTPUT ${_GEN_CPP_FILE} |
---|
| 24 | COMMAND ${FLEX} ${OPT} -o ${_GEN_CPP_FILE}.tmp ${INFILE} |
---|
| 25 | # COMMAND cp ${_SOURCE_CPP_FILE} ${_GEN_CPP_FILE} |
---|
| 26 | COMMAND ${CMAKE_COMMAND} -E copy_if_different ${_GEN_CPP_FILE}.tmp ${_GEN_CPP_FILE} |
---|
| 27 | COMMAND ${CMAKE_COMMAND} -E copy_if_different ${_SOURCE_CPP_FILE} ${_GEN_CPP_FILE} |
---|
| 28 | COMMAND ls -l ${_GEN_CPP_FILE}.tmp ${_GEN_CPP_FILE} |
---|
| 29 | # COMMAND ls -l ${_GEN_CPP_FILE}.tmp ${_GEN_CPP_FILE} ${_orig} |
---|
| 30 | |
---|
| 31 | DEPENDS ${INFILE} |
---|
| 32 | COMMENT "Compiling '${INFILE}'..." |
---|
| 33 | ) |
---|
| 34 | |
---|
| 35 | set(${GEN_CPP_FILE} ${_GEN_CPP_FILE} PARENT_SCOPE) |
---|
| 36 | endfunction() |
---|
| 37 | |
---|
| 38 | # |
---|
| 39 | # |
---|
| 40 | # |
---|
| 41 | function(check_lex_version GEN_VERSION) |
---|
| 42 | execute_process(COMMAND ${FLEX} --version |
---|
| 43 | OUTPUT_VARIABLE CMAKE_FLEX_VERSION) |
---|
| 44 | string(REGEX REPLACE "flex ([0-9]+)\\.([0-9]+).*$" "\\1" |
---|
| 45 | CMAKE_FLEX_MAJOR ${CMAKE_FLEX_VERSION}) |
---|
| 46 | string(REGEX REPLACE "flex ([0-9]+)\\.([0-9]+).*" "\\2" |
---|
| 47 | CMAKE_FLEX_MINOR ${CMAKE_FLEX_VERSION}) |
---|
| 48 | string(REGEX REPLACE "flex ([0-9]+)\\.([0-9]+)\\.([0-9]+).*" "\\3" |
---|
| 49 | CMAKE_FLEX_PATCH ${CMAKE_FLEX_VERSION}) |
---|
| 50 | |
---|
| 51 | set(_GEN_VERSION 0) |
---|
| 52 | if (${CMAKE_FLEX_MAJOR} EQUAL 2 AND ${CMAKE_FLEX_MINOR} EQUAL 5) |
---|
| 53 | if(${CMAKE_FLEX_PATCH} GREATER 33) |
---|
| 54 | set(_GEN_VERSION 1) |
---|
| 55 | endif(${CMAKE_FLEX_PATCH} GREATER 33) |
---|
| 56 | endif (${CMAKE_FLEX_MAJOR} EQUAL 2 AND ${CMAKE_FLEX_MINOR} EQUAL 5) |
---|
| 57 | |
---|
| 58 | set(${GEN_VERSION} ${_GEN_VERSION} PARENT_SCOPE) |
---|
| 59 | message(STATUS "Flex version '${CMAKE_FLEX_MAJOR}' '${CMAKE_FLEX_MINOR}' '${CMAKE_FLEX_PATCH}' ${_GEN_VERSION}") |
---|
| 60 | endfunction() |
---|