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Diffstat (limited to 'third-party/cmake/FindBISON.cmake')
| -rw-r--r-- | third-party/cmake/FindBISON.cmake | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/third-party/cmake/FindBISON.cmake b/third-party/cmake/FindBISON.cmake new file mode 100644 index 0000000..6c6b420 --- /dev/null +++ b/third-party/cmake/FindBISON.cmake @@ -0,0 +1,221 @@ +# - Find bison executable and provides macros to generate custom build rules +# The module defines the following variables: +# +# BISON_EXECUTABLE - path to the bison program +# BISON_VERSION - version of bison +# BISON_FOUND - true if the program was found +# +# If bison is found, the module defines the macros: +# BISON_TARGET(<Name> <YaccInput> <CodeOutput> [VERBOSE <file>] +# [COMPILE_FLAGS <string>] [HEADER <FILE>]) +# which will create a custom rule to generate a parser. <YaccInput> is +# the path to a yacc file. <CodeOutput> is the name of the source file +# generated by bison. A header file containing the token list is also +# generated according to bison's -d option by default or if the HEADER +# option is used, the argument is passed to bison's --defines option to +# specify output file. If COMPILE_FLAGS option is specified, the next +# parameter is added in the bison command line. if VERBOSE option is +# specified, <file> is created and contains verbose descriptions of the +# grammar and parser. The macro defines a set of variables: +# BISON_${Name}_DEFINED - true is the macro ran successfully +# BISON_${Name}_INPUT - The input source file, an alias for <YaccInput> +# BISON_${Name}_OUTPUT_SOURCE - The source file generated by bison +# BISON_${Name}_OUTPUT_HEADER - The header file generated by bison +# BISON_${Name}_OUTPUTS - The sources files generated by bison +# BISON_${Name}_COMPILE_FLAGS - Options used in the bison command line +# +# ==================================================================== +# Example: +# +# find_package(BISON) +# BISON_TARGET(MyParser parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser.cpp) +# add_executable(Foo main.cpp ${BISON_MyParser_OUTPUTS}) +# ==================================================================== + +#============================================================================= +# Copyright 2009 Kitware, Inc. +# Copyright 2006 Tristan Carel +# Modified 2010 by Jon Siwek, adding HEADER option +# +# Distributed under the OSI-approved BSD License (the "License"): +# CMake - Cross Platform Makefile Generator +# Copyright 2000-2009 Kitware, Inc., Insight Software Consortium +# All rights reserved. + +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# * Neither the names of Kitware, Inc., the Insight Software Consortium, +# nor the names of their contributors may be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= + +FIND_PROGRAM(BISON_EXECUTABLE bison DOC "path to the bison executable") +MARK_AS_ADVANCED(BISON_EXECUTABLE) + +IF(BISON_EXECUTABLE) + + EXECUTE_PROCESS(COMMAND ${BISON_EXECUTABLE} --version + OUTPUT_VARIABLE BISON_version_output + ERROR_VARIABLE BISON_version_error + RESULT_VARIABLE BISON_version_result + OUTPUT_STRIP_TRAILING_WHITESPACE) + IF(NOT ${BISON_version_result} EQUAL 0) + MESSAGE(SEND_ERROR "Command \"${BISON_EXECUTABLE} --version\" failed with output:\n${BISON_version_error}") + ELSE() + STRING(REGEX REPLACE "^bison \\(GNU Bison\\) ([^\n]+)\n.*" "\\1" + BISON_VERSION "${BISON_version_output}") + ENDIF() + + # internal macro + MACRO(BISON_TARGET_option_verbose Name BisonOutput filename) + LIST(APPEND BISON_TARGET_cmdopt "--verbose") + GET_FILENAME_COMPONENT(BISON_TARGET_output_path "${BisonOutput}" PATH) + GET_FILENAME_COMPONENT(BISON_TARGET_output_name "${BisonOutput}" NAME_WE) + ADD_CUSTOM_COMMAND(OUTPUT ${filename} + COMMAND ${CMAKE_COMMAND} + ARGS -E copy + "${BISON_TARGET_output_path}/${BISON_TARGET_output_name}.output" + "${filename}" + DEPENDS + "${BISON_TARGET_output_path}/${BISON_TARGET_output_name}.output" + COMMENT "[BISON][${Name}] Copying bison verbose table to ${filename}" + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}) + SET(BISON_${Name}_VERBOSE_FILE ${filename}) + LIST(APPEND BISON_TARGET_extraoutputs + "${BISON_TARGET_output_path}/${BISON_TARGET_output_name}.output") + ENDMACRO(BISON_TARGET_option_verbose) + + # internal macro + MACRO(BISON_TARGET_option_extraopts Options) + SET(BISON_TARGET_extraopts "${Options}") + SEPARATE_ARGUMENTS(BISON_TARGET_extraopts) + LIST(APPEND BISON_TARGET_cmdopt ${BISON_TARGET_extraopts}) + ENDMACRO(BISON_TARGET_option_extraopts) + + #============================================================ + # BISON_TARGET (public macro) + #============================================================ + # + MACRO(BISON_TARGET Name BisonInput BisonOutput) + SET(BISON_TARGET_output_header "") + #SET(BISON_TARGET_command_opt "") + SET(BISON_TARGET_cmdopt "") + SET(BISON_TARGET_outputs "${BisonOutput}") + IF(NOT ${ARGC} EQUAL 3 AND + NOT ${ARGC} EQUAL 5 AND + NOT ${ARGC} EQUAL 7 AND + NOT ${ARGC} EQUAL 9) + MESSAGE(SEND_ERROR "Usage") + ELSE() + # Parsing parameters + IF(${ARGC} GREATER 5 OR ${ARGC} EQUAL 5) + IF("${ARGV3}" STREQUAL "VERBOSE") + BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV4}") + ENDIF() + IF("${ARGV3}" STREQUAL "COMPILE_FLAGS") + BISON_TARGET_option_extraopts("${ARGV4}") + ENDIF() + IF("${ARGV3}" STREQUAL "HEADER") + set(BISON_TARGET_output_header "${ARGV4}") + ENDIF() + ENDIF() + + IF(${ARGC} GREATER 7 OR ${ARGC} EQUAL 7) + IF("${ARGV5}" STREQUAL "VERBOSE") + BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV6}") + ENDIF() + + IF("${ARGV5}" STREQUAL "COMPILE_FLAGS") + BISON_TARGET_option_extraopts("${ARGV6}") + ENDIF() + + IF("${ARGV5}" STREQUAL "HEADER") + set(BISON_TARGET_output_header "${ARGV6}") + ENDIF() + ENDIF() + + IF(${ARGC} EQUAL 9) + IF("${ARGV7}" STREQUAL "VERBOSE") + BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV8}") + ENDIF() + + IF("${ARGV7}" STREQUAL "COMPILE_FLAGS") + BISON_TARGET_option_extraopts("${ARGV8}") + ENDIF() + + IF("${ARGV7}" STREQUAL "HEADER") + set(BISON_TARGET_output_header "${ARGV8}") + ENDIF() + ENDIF() + + IF(BISON_TARGET_output_header) + # Header's name passed in as argument to be used in --defines option + LIST(APPEND BISON_TARGET_cmdopt + "--defines=${BISON_TARGET_output_header}") + set(BISON_${Name}_OUTPUT_HEADER ${BISON_TARGET_output_header}) + ELSE() + # Header's name generated by bison (see option -d) + LIST(APPEND BISON_TARGET_cmdopt "-d") + STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\2" _fileext "${ARGV2}") + STRING(REPLACE "c" "h" _fileext ${_fileext}) + STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}" + BISON_${Name}_OUTPUT_HEADER "${ARGV2}") + ENDIF() + + LIST(APPEND BISON_TARGET_outputs "${BISON_${Name}_OUTPUT_HEADER}") + + ADD_CUSTOM_COMMAND(OUTPUT ${BISON_TARGET_outputs} + ${BISON_TARGET_extraoutputs} + COMMAND ${BISON_EXECUTABLE} + ARGS ${BISON_TARGET_cmdopt} -o ${ARGV2} ${ARGV1} + DEPENDS ${ARGV1} + COMMENT "[BISON][${Name}] Building parser with bison ${BISON_VERSION}" + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + + # define target variables + SET(BISON_${Name}_DEFINED TRUE) + SET(BISON_${Name}_INPUT ${ARGV1}) + SET(BISON_${Name}_OUTPUTS ${BISON_TARGET_outputs}) + SET(BISON_${Name}_COMPILE_FLAGS ${BISON_TARGET_cmdopt}) + SET(BISON_${Name}_OUTPUT_SOURCE "${BisonOutput}") + + ENDIF(NOT ${ARGC} EQUAL 3 AND + NOT ${ARGC} EQUAL 5 AND + NOT ${ARGC} EQUAL 7 AND + NOT ${ARGC} EQUAL 9) + ENDMACRO(BISON_TARGET) + # + #============================================================ + +ENDIF(BISON_EXECUTABLE) + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(BISON DEFAULT_MSG BISON_EXECUTABLE) + +# FindBISON.cmake ends here
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