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|
#!/bin/bash
# This script expands test-matrix expressions into indiviual featuressets
#
# The basic element is a feature, which is just a name:
# "a" == enable feature a
#
# A featureset is a comma separated list of features:
# "a,b,c" == enable feature a, b and c
#
# A test-matrix is a list of featuresets to test and are specified by
# separating featuresets by '+':
# "a,b+a,c+e" == featuresets "a,b", "a,c" and "e"
#
# At any point in the expression where a feature is expected you can
# instead specify an entire test-matrix by enclosing a sub-expression
# in brackets. The result is the combinatorial combination of the
# sub-test-matrix with the current featureset.
#
# For example:
#
# "a,{b+c}" == "a,b+a,c"
# or:
# "a,b,{c,d+e,f}" == "a,b,c,d+a,b,e,f"
#
# This can happen multiple times in an optionset which will fully expand all
# instances:
# "a,{b+c},{d+e}" == "a,{b+c},d+a,{b+c},e" == "a,b,d+a,c,d+a,{b+c},e" == "a,b,d+a,c,d+a,b,e+a,c,e"
#
#
# The common way to use this is to either list all the options to instance the test for each case:
# foo+bar+gazonk
# Or to create all combination of features:
# {foo+nofoo},{bar+nobar}
tokens=( )
current_token=""
function next_token {
if [ ${#tokens[@]} -eq 0 ]; then
current_token="$"
else
current_token=${tokens[0]}
tokens=("${tokens[@]:1}")
fi
}
parse_res=""
function parse {
local res=( )
local cur=( )
while true; do
next_token
local t=$current_token
if [ $t == "}" -o $t == "$" ]; then
break;
elif [ $t == "{" ]; then
parse
local sub=$parse_res
if [ ${#cur} -eq 0 ]; then
cur=( ${sub[@]} )
else
local sub_res=( )
for left in "${cur[@]}"; do
for right in $sub; do
sub_res+=("$left,$right")
done
done
cur=( ${sub_res[@]} )
fi
elif [ $t == "+" ]; then
res+=( "${cur[@]}" )
cur=( )
else # ,t
if [ ${#cur} -eq 0 ]; then
cur=( $t )
else
for i in "${!cur[@]}"; do
cur[$i]="${cur[$i]:+${cur[$i]},}$t"
done
fi
fi
done
if [ ${#cur} -ne 0 ]; then
res+=( "${cur[@]}" )
fi
parse_res="${res[@]}"
}
tests=""
dist_tests=""
extra_dist_tests=""
function parse_test {
if [[ $1 =~ ^(.*).sh\{(.*)\}$ ]]; then
tokens=( $(awk -v RS='[{}+,]' '{if ($0 != "" && $0 != "\n") print $0; if (RT != "" && RT != ",") print RT}' <<< "${BASH_REMATCH[2]}") )
parse
for r in $parse_res; do
tests="$tests ${BASH_REMATCH[1]}@$r.wrap"
done
extra_dist_tests="$extra_dist_tests ${BASH_REMATCH[1]}.sh"
else
dist_tests="$dist_tests $1"
fi
}
for test in $1; do
parse_test $test
done
echo "# This file is autogenerated by make update-test-matrix, don't edit"
echo "TEST_MATRIX= \\"
for f in $tests; do
echo " ${f} \\"
done
echo " \$(NULL)"
echo "TEST_MATRIX_DIST= \\"
for f in $dist_tests; do
echo " ${f} \\"
done
echo " \$(NULL)"
echo "TEST_MATRIX_EXTRA_DIST= \\"
for f in $extra_dist_tests; do
echo " ${f} \\"
done
echo " \$(NULL)"
|
