Timothy Pearson
parent
d145ebef56
commit
2016ba9b1c
@ -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)
|
||||
|
||||
Loading…
Reference in new issue