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author | Timothy Pearson <[email protected]> | 2011-11-27 22:37:19 -0600 |
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committer | Slávek Banko <[email protected]> | 2012-07-29 19:24:38 +0200 |
commit | 2016ba9b1ccbef2178c87f7694ccbcd00b492a67 (patch) | |
tree | cda37d25ad87fa0a6280cca1d28b3cd534a31633 /BisonMacros.cmake | |
parent | d145ebef561899ba37d855517e23e0f25932b384 (diff) | |
download | abakus-2016ba9b1ccbef2178c87f7694ccbcd00b492a67.tar.gz abakus-2016ba9b1ccbef2178c87f7694ccbcd00b492a67.zip |
Add bison support
(cherry picked from commit a805660cba37d573bd07615cbdb36d3bba11ecc1)
Diffstat (limited to 'BisonMacros.cmake')
-rw-r--r-- | BisonMacros.cmake | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/BisonMacros.cmake b/BisonMacros.cmake new file mode 100644 index 0000000..d6dcb19 --- /dev/null +++ b/BisonMacros.cmake @@ -0,0 +1,137 @@ +# /* +# For more information, please see: http://software.sci.utah.edu + +# The MIT License + +# Copyright (c) 2005-2006 +# Scientific Computing and Imaging Institute, University of Utah + +# License for the specific language governing rights and limitations under +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +# DEALINGS IN THE SOFTWARE. +# */ + +SET(PARSERS_FOUND FOOBAR) + +# These variables need to be specified in order to get CMake not to +# barf on the IF(EXISTS ${BISON_EXECUTABLE} ..) expression even though +# the code shouldn't get called. By setting them to BISON_EXECUTABLE + +SET(BISON_EXECUTABLE "BISON_EXECUTABLE-NOTFOUND" CACHE FILEPATH "bison executable") +SET(FLEX_EXECUTABLE "FLEX_EXECUTABLE-NOTFOUND" CACHE FILEPATH "flex executable") +# Mark these variables as advanced options +MARK_AS_ADVANCED(FORCE BISON_EXECUTABLE) +MARK_AS_ADVANCED(FORCE FLEX_EXECUTABLE) + +# You need at least version 2.4 for this to work. +IF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4) + MESSAGE("You need at least version 2.4 for generating flex and bison parsers. Go get it from http://www.cmake.org/HTML/Download.html") + SET(PARSERS_FOUND 0) + +ELSE("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4) + + FIND_PROGRAM(BISON_EXECUTABLE + NAMES bison + PATHS ${BISON_DIR} ) + + FIND_PROGRAM(FLEX_EXECUTABLE + NAMES flex + PATHS ${FLEX_DIR} ) + + IF(EXISTS ${BISON_EXECUTABLE} AND EXISTS ${FLEX_EXECUTABLE}) + SET(PARSERS_FOUND 1) + + ELSE(EXISTS ${BISON_EXECUTABLE} AND EXISTS ${FLEX_EXECUTABLE}) + SET(PARSERS_FOUND 0) + # Print some error messages to the user + IF (NOT EXISTS ${BISON_EXECUTABLE}) + MESSAGE("Couldn't find bison executable. Please check value in BISON_EXECUTABLE in advanced settings.") + ENDIF (NOT EXISTS ${BISON_EXECUTABLE}) + IF (NOT EXISTS ${FLEX_EXECUTABLE}) + MESSAGE("Couldn't find flex executable. Please check value in FLEX_EXECUTABLE in advanced settings.") + ENDIF (NOT EXISTS ${FLEX_EXECUTABLE}) + + ENDIF(EXISTS ${BISON_EXECUTABLE} AND EXISTS ${FLEX_EXECUTABLE}) + +ENDIF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4) + +# These are helper functions for parsers. + +# parser is the parser file name like parser.y +# lexer is like lexer.l + +# The names of the output files will be based on the input names. +# BF_SOURCES will be parser.cc, parser.h and lexer.cc. + +MACRO(GENERATE_BISON_FLEX_SOURCES parser parser_args + lexer lexer_args) + GET_FILENAME_COMPONENT(parser_base "${parser}" NAME_WE) + + SET(BISON_TAB_C "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.c") + SET(BISON_TAB_H "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.h") + SET(BISON_CC "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.cc") + SET(BISON_H "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.h") + + ADD_CUSTOM_COMMAND( + OUTPUT ${BISON_TAB_C} ${BISON_TAB_H} + COMMAND ${BISON_EXECUTABLE} + ARGS "${parser}" ${parser_args} "--defines" + DEPENDS "${parser}" + COMMENT "Generating ${BISON_TAB_C} ${BISON_TAB_H} from ${parser}" + ) + + ADD_CUSTOM_COMMAND( + OUTPUT ${BISON_CC} + COMMAND ${CMAKE_COMMAND} + ARGS -E copy ${BISON_TAB_C} ${BISON_CC} + DEPENDS ${BISON_TAB_C} + COMMENT "Copying ${BISON_TAB_C} to ${BISON_CC}" + ) + + ADD_CUSTOM_COMMAND( + OUTPUT ${BISON_H} + COMMAND ${CMAKE_COMMAND} + ARGS -E copy ${BISON_TAB_H} ${BISON_H} + DEPENDS ${BISON_TAB_H} + COMMENT "Copying ${BISON_TAB_H} to ${BISON_H}" + ) + + GET_FILENAME_COMPONENT(lexer_base "${lexer}" NAME_WE) + SET(FLEX_C "${CMAKE_CURRENT_BINARY_DIR}/lex.yy.c") + SET(FLEX_CC "${CMAKE_CURRENT_BINARY_DIR}/${lexer_base}.cc") + + ADD_CUSTOM_COMMAND( + OUTPUT ${FLEX_C} + COMMAND ${FLEX_EXECUTABLE} + ARGS "${lexer}" ${lexer_args} + DEPENDS "${lexer}" ${BISON_H} + COMMENT "Generating ${FLEX_C} from ${lexer}" + ) + + ADD_CUSTOM_COMMAND( + OUTPUT ${FLEX_CC} + COMMAND ${CMAKE_COMMAND} + ARGS -E copy ${FLEX_C} ${FLEX_CC} + DEPENDS ${FLEX_C} + COMMENT "Copying ${FLEX_C} to ${FLEX_CC}" + ) + + SET(BF_SOURCES ${BISON_CC} ${BISON_H} ${FLEX_CC}) + +ENDMACRO(GENERATE_BISON_FLEX_SOURCES) + |