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Moved arg parsing helper functions into new modules (TriBITSPub#483)
This makes the module TribitsGeneralMacros.cmake smaller and better aggregates these commands. I also added a new macro tribits_assert_parse_arg_one_value() which I just tested manually. It is a very simple macro so I am not too worried about not unit testing it yet.
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# @HEADER | ||
# ************************************************************************ | ||
# | ||
# TriBITS: Tribal Build, Integrate, and Test System | ||
# Copyright 2013 Sandia Corporation | ||
# | ||
# Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, | ||
# the U.S. Government retains certain rights in this software. | ||
# | ||
# Redistribution and use in source and binary forms, with or without | ||
# modification, are permitted provided that the following conditions are | ||
# met: | ||
# | ||
# 1. Redistributions of source code must retain the above copyright | ||
# notice, this list of conditions and the following disclaimer. | ||
# | ||
# 2. 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. | ||
# | ||
# 3. Neither the name of the Corporation nor the names of the | ||
# contributors may be used to endorse or promote products derived from | ||
# this software without specific prior written permission. | ||
# | ||
# THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE | ||
# 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. | ||
# | ||
# ************************************************************************ | ||
# @HEADER | ||
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################################################################################ | ||
# | ||
# This module contains function to aid with the usage of | ||
# cmake_parse_arguments(). | ||
# | ||
################################################################################ | ||
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include(MessageWrapper) | ||
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# @FUNCTION: tribits_check_for_unparsed_arguments() | ||
# | ||
# Check to see if there are unparsed arguments after calling | ||
# ``cmake_parse_arguments()`` or ``tribits_parse_arguments_from_list()`` | ||
# | ||
# Usage:: | ||
# | ||
# tribits_check_for_unparsed_arguments([<prefix>]) | ||
# | ||
# If `<prefix>` is not given, it is assumed to be `PARSE`. | ||
# | ||
function(tribits_check_for_unparsed_arguments) | ||
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if ("${ARGC}" GREATER 1) | ||
message(FATAL_ERROR | ||
"ERROR tribits_check_for_unparsed_arguments() passed arguments '${ARGV}' but only accepts 0 or 1 arguments (for <prefix>)") | ||
endif() | ||
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set(prefix "PARSE") | ||
foreach(arg ${ARGV}) | ||
set(prefix "${arg}") | ||
endforeach() | ||
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if( NOT "${${prefix}_UNPARSED_ARGUMENTS}" STREQUAL "") | ||
message_wrapper( | ||
${${PROJECT_NAME}_CHECK_FOR_UNPARSED_ARGUMENTS} | ||
"Arguments passed in unrecognized. ${prefix}_UNPARSED_ARGUMENTS = '${${prefix}_UNPARSED_ARGUMENTS}'" | ||
) | ||
endif() | ||
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endfunction() | ||
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# @MACRO: tribits_assert_parse_arg_one_or_more_values() | ||
# | ||
# Assert that a parase argument has at least one value | ||
# | ||
# Usage:: | ||
# | ||
# tribits_assert_parse_arg_one_or_more_values(<prefix> <argname>) | ||
# | ||
macro(tribits_assert_parse_arg_one_or_more_values PREFIX ARGNAME) | ||
set(PREFIX_ARGNAME "${PREFIX}_${ARGNAME}") | ||
list( LENGTH ${PREFIX_ARGNAME} ARG_NUM_VALS ) | ||
if (ARG_NUM_VALS LESS 1) | ||
message_wrapper(FATAL_ERROR | ||
"ERROR: ${ARGNAME} must have at least one value!" ) | ||
return() | ||
# NOTE: The return() is needed in unit testing mode | ||
endif() | ||
endmacro() | ||
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# @MACRO: tribits_assert_parse_arg_zero_or_one_value() | ||
# | ||
# Assert that a parase argument has zero or one value | ||
# | ||
# Usage:: | ||
# | ||
# tribits_assert_parse_arg_zero_or_one_value(<prefix> <argname>) | ||
# | ||
macro(tribits_assert_parse_arg_zero_or_one_value PREFIX ARGNAME) | ||
set(PREFIX_ARGNAME "${PREFIX}_${ARGNAME}") | ||
if (NOT "${${PREFIX_ARGNAME}}" STREQUAL "") | ||
list( LENGTH ${PREFIX_ARGNAME} ARG_NUM_VALS ) | ||
if (ARG_NUM_VALS GREATER 1) | ||
message_wrapper(FATAL_ERROR | ||
"ERROR: ${ARGNAME}='${${PREFIX_ARGNAME}}' can not have more than one value!" ) | ||
return() | ||
# NOTE: The macro return() is needed in unit testing mode | ||
endif() | ||
endif() | ||
endmacro() | ||
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# @MACRO: tribits_assert_parse_arg_one_value() | ||
# | ||
# Assert that a parse argument has exactly one value | ||
# | ||
# Usage:: | ||
# | ||
# tribits_assert_parse_arg_one_value(<prefix> <argname>) | ||
# | ||
macro(tribits_assert_parse_arg_one_value PREFIX ARGNAME) | ||
set(PREFIX_ARGNAME "${PREFIX}_${ARGNAME}") | ||
if (NOT "${${PREFIX_ARGNAME}}" STREQUAL "") | ||
list( LENGTH ${PREFIX_ARGNAME} ARG_NUM_VALS ) | ||
if (NOT ARG_NUM_VALS EQUAL 1) | ||
message_wrapper(FATAL_ERROR | ||
"ERROR: ${ARGNAME}='${${PREFIX_ARGNAME}}' Must have exactly one value!" ) | ||
return() | ||
# NOTE: The macro return() is needed in unit testing mode | ||
endif() | ||
endif() | ||
endmacro() | ||
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# NOTE: Above, we use macros for the assert functions with returns in unit | ||
# test mode so that it will abort the calling function these are called from! |