From dac390379384cda94251aba1ee1de03859939d15 Mon Sep 17 00:00:00 2001 From: Philip Lowman Date: Thu, 13 Aug 2009 00:11:23 -0400 Subject: [PATCH] Checking in the FindFLEX.cmake & FindBISON.cmake attached to Issue #4018 after some minor improvements * Improved examples * Switched to FindPackageHandleStandardArgs * Cleaned up indentation * Sanitized else()/endif() blocks --- Modules/FindBISON.cmake | 167 ++++++++++++++++++++++++++++++++++++++++ Modules/FindFLEX.cmake | 154 ++++++++++++++++++++++++++++++++++++ 2 files changed, 321 insertions(+) create mode 100644 Modules/FindBISON.cmake create mode 100644 Modules/FindFLEX.cmake diff --git a/Modules/FindBISON.cmake b/Modules/FindBISON.cmake new file mode 100644 index 000000000..22cf6e34e --- /dev/null +++ b/Modules/FindBISON.cmake @@ -0,0 +1,167 @@ +# - 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( [VERBOSE ] +# [COMPILE_FLAGS ]) +# which will create a custom rule to generate a parser. is +# the path to a yacc file. is the name of the source file +# generated by bison. A header file is also be generated, and contains +# the token list. If COMPILE_FLAGS option is specified, the next +# parameter is added in the bison command line. if VERBOSE option is +# specified, 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 +# 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 (c) 2006, Tristan Carel +# 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 name of the University of California, Berkeley nor the +# names of its contributors may be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS AND 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. + +# $Id$ + +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 ${BISON_TARGET_extraopts}) + ENDMACRO(BISON_TARGET_option_extraopts) + + #============================================================ + # BISON_TARGET (public macro) + #============================================================ + # + MACRO(BISON_TARGET Name BisonInput BisonOutput) + SET(BISON_TARGET_output_header "") + SET(BISON_TARGET_command_opt "") + SET(BISON_TARGET_outputs "${BisonOutput}") + IF(NOT ${ARGC} EQUAL 3 AND NOT ${ARGC} EQUAL 5 AND NOT ${ARGC} EQUAL 7) + MESSAGE(SEND_ERROR "Usage") + ELSE() + # Parsing parameters + IF(${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() + ENDIF() + + IF(${ARGC} EQUAL 7) + IF("${ARGV5}" STREQUAL "VERBOSE") + BISON_TARGET_option_verbose(${Name} ${BisonOutput} "${ARGV6}") + ENDIF() + + IF("${ARGV5}" STREQUAL "COMPILE_FLAGS") + BISON_TARGET_option_extraopts("${ARGV6}") + ENDIF() + ENDIF() + + # 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 "${ARGV2}") + LIST(APPEND BISON_TARGET_outputs "${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 ${ARGC} EQUAL 7) + ENDMACRO(BISON_TARGET) + # + #============================================================ + +ENDIF(BISON_EXECUTABLE) + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(BISON DEFAULT_MSG BISON_EXECUTABLE) + +# FindBISON.cmake ends here diff --git a/Modules/FindFLEX.cmake b/Modules/FindFLEX.cmake new file mode 100644 index 000000000..b36fd2e11 --- /dev/null +++ b/Modules/FindFLEX.cmake @@ -0,0 +1,154 @@ +# - Find flex executable and provides a macro to generate custom build rules +# +# The module defines the following variables: +# FLEX_FOUND - true is flex executable is found +# FLEX_EXECUTABLE - the path to the flex executable +# FLEX_VERSION - the version of flex +# FLEX_LIBRARIES - The flex libraries +# +# If flex is found on the system, the module provides the macro: +# FLEX_TARGET(Name FlexInput FlexOutput [COMPILE_FLAGS ]) +# which creates a custom command to generate the file from +# the file. If COMPILE_FLAGS option is specified, the next +# parameter is added to the flex command line. Name is an alias used to +# get details of this custom command. Indeed the macro defines the +# following variables: +# FLEX_${Name}_DEFINED - true is the macro ran successfully +# FLEX_${Name}_OUTPUTS - the source file generated by the custom rule, an +# alias for FlexOutput +# FLEX_${Name}_INPUT - the flex source file, an alias for ${FlexInput} +# +# Flex scanners oftenly use tokens defined by Bison: the code generated +# by Flex depends of the header generated by Bison. This module also +# defines a macro: +# ADD_FLEX_BISON_DEPENDENCY(FlexTarget BisonTarget) +# which adds the required dependency between a scanner and a parser +# where and are the first parameters of +# respectively FLEX_TARGET and BISON_TARGET macros. +# +#==================================================================== +# Example: +# +# find_package(BISON) +# find_package(FLEX) +# +# BISON_TARGET(MyParser parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser.cpp +# FLEX_TARGET(MyScanner lexer.l ${CMAKE_CURRENT_BIANRY_DIR}/lexer.cpp) +# ADD_FLEX_BISON_DEPENDENCY(MyScanner MyParser) +# +# include_directories(${CMAKE_CURRENT_BINARY_DIR}) +# add_executable(Foo +# Foo.cc +# ${BISON_MyParser_OUTPUTS} +# ${FLEX_MyScanner_OUTPUTS} +# ) +#==================================================================== + +# Copyright (c) 2006, Tristan Carel +# 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 name of the University of California, Berkeley nor the +# names of its contributors may be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS AND 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. + +# $Id$ + +FIND_PROGRAM(FLEX_EXECUTABLE flex DOC "path to the flex executable") +MARK_AS_ADVANCED(FLEX_EXECUTABLE) + +FIND_LIBRARY(FL_LIBRARY NAMES fl + DOC "path to the fl library") +MARK_AS_ADVANCED(FL_LIBRARY) +SET(FLEX_LIBRARIES ${FL_LIBRARY}) + +IF(FLEX_EXECUTABLE) + + EXECUTE_PROCESS(COMMAND ${FLEX_EXECUTABLE} --version + OUTPUT_VARIABLE FLEX_version_output + ERROR_VARIABLE FLEX_version_error + RESULT_VARIABLE FLEX_version_result + OUTPUT_STRIP_TRAILING_WHITESPACE) + IF(NOT ${FLEX_version_result} EQUAL 0) + MESSAGE(SEND_ERROR "Command \"${FLEX_EXECUTABLE} --version\" failed with output:\n${FLEX_version_error}") + ELSE() + STRING(REGEX REPLACE "^flex (.*)$" "\\1" + FLEX_VERSION "${FLEX_version_output}") + ENDIF() + + #============================================================ + # FLEX_TARGET (public macro) + #============================================================ + # + MACRO(FLEX_TARGET Name Input Output) + SET(FLEX_TARGET_usage "FLEX_TARGET( [COMPILE_FLAGS ]") + IF(${ARGC} GREATER 3) + IF(${ARGC} EQUAL 5) + IF("${ARGV3}" STREQUAL "COMPILE_FLAGS") + SET(FLEX_EXECUTABLE_opts "${ARGV4}") + SEPARATE_ARGUMENTS(FLEX_EXECUTABLE_opts) + ELSE() + MESSAGE(SEND_ERROR ${FLEX_TARGET_usage}) + ENDIF() + ELSE() + MESSAGE(SEND_ERROR ${FLEX_TARGET_usage}) + ENDIF() + ENDIF() + + ADD_CUSTOM_COMMAND(OUTPUT ${Output} + COMMAND ${FLEX_EXECUTABLE} + ARGS ${FLEX_EXECUTABLE_opts} -o${Output} ${Input} + DEPENDS ${Input} + COMMENT "[FLEX][${Name}] Building scanner with flex ${FLEX_VERSION}" + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + + SET(FLEX_${Name}_DEFINED TRUE) + SET(FLEX_${Name}_OUTPUTS ${Output}) + SET(FLEX_${Name}_INPUT ${Input}) + SET(FLEX_${Name}_COMPILE_FLAGS ${FLEX_EXECUTABLE_opts}) + ENDMACRO(FLEX_TARGET) + #============================================================ + + + #============================================================ + # ADD_FLEX_BISON_DEPENDENCY (public macro) + #============================================================ + # + MACRO(ADD_FLEX_BISON_DEPENDENCY FlexTarget BisonTarget) + + IF(NOT FLEX_${FlexTarget}_OUTPUTS) + MESSAGE(SEND_ERROR "Flex target `${FlexTarget}' does not exists.") + ENDIF() + + IF(NOT BISON_${BisonTarget}_OUTPUT_HEADER) + MESSAGE(SEND_ERROR "Bison target `${BisonTarget}' does not exists.") + ENDIF() + + SET_SOURCE_FILES_PROPERTIES(${FLEX_${FlexTarget}_OUTPUTS} + PROPERTIES OBJECT_DEPENDS ${BISON_${BisonTarget}_OUTPUT_HEADER}) + ENDMACRO(ADD_FLEX_BISON_DEPENDENCY) + #============================================================ + +ENDIF(FLEX_EXECUTABLE) + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLEX DEFAULT_MSG FLEX_EXECUTABLE) + +# FindFLEX.cmake ends here