#! /bin/sh
SYS=$1
REP=$2
TARGET=${3:-cc}
PARSER=${4:-indent}
IN=${SYS}_${REP}.m
OUT=${SYS}_${REP}.${TARGET}
TMP=${SYS}_${REP}_m2cc.tmp
rep_declarations ()
{
(case ${REP} in
simpar)
cat <<EOF
struct {
double first;
double dt;
double last;
int stepfactor;
int wmin;
int wmax;
int wsteps;
int input;
} mttsimpar;
EOF
;;
*)
;;
esac)
echo ""
};
rep_footer ()
{
(case ${REP} in
simpar)
cat <<EOF
mttsimpar_map(0) = (double) mttsimpar.first;
mttsimpar_map(1) = (double) mttsimpar.last;
mttsimpar_map(2) = (double) mttsimpar.dt;
mttsimpar_map(3) = (double) mttsimpar.stepfactor;
mttsimpar_map(4) = (double) mttsimpar.wmin;
mttsimpar_map(5) = (double) mttsimpar.wmax;
mttsimpar_map(6) = (double) mttsimpar.wsteps;
mttsimpar_map(7) = (double) mttsimpar.input;
EOF
;;
*)
;;
esac)
};
find_code ()
{
file_in=${1:-${IN}}
portion=${2:-"body"}
head=`cat ${file_in} | gawk '($2 == "BEGIN" && $3 == "Code") { print NR }'`
foot=`cat ${file_in} | gawk '($2 == "END" && $3 == "Code") { print NR }'`
case ${portion} in
head)
start=0
end=${head}
;;
body)
start=${head}
end=${foot}
;;
foot)
start=${foot}
end=end
;;
*)
echo "Error in find_code: portion unknown"
return -1
;;
esac
cat ${file_in} |\
gawk --assign start=${start} --assign end=${end} '
(start < NR && NR < end) { print $0 }'
};
strip_junk ()
{
case ${REP} in
numpar)
grep -v "mttpar = \[\]"
;;
switchopen)
grep -v "\[open\] = zero"
;;
*)
cat
;;
esac
};
fix_comment_delimiter ()
{
language=${1:-cc}
case $language in
# it would be preferable if we didn't use '%' as a delimiter
# (a % b) gives the remainder of ((int)a / (int)b) in C/C++
c)
sed 's/[%#]\(.*\)/\/* \1 *\//'
;;
cc | *)
sed 's/[%#]/\/\//g' | sed 's/\/\/\/\//\/\//g'
;;
esac
};
decrement_indices ()
{
# first section appends '-1' to container indices
# to convert from FORTRAN-type numbering to C-type numbering
sed 's/mtta(\([0-9][0-9]*\),\([0-9][0-9]*\))/mtta[\1-1,\2-1]/g' |\
sed 's/mttax(\([0-9][0-9]*\))/mttax[\1-1]/g' |\
sed 's/mttdx(\([0-9][0-9]*\))/mttdx[\1-1]/g' |\
sed 's/mttedx(\([0-9][0-9]*\))/mttedx[\1-1]/g' |\
sed 's/mttpar(\([0-9][0-9]*\))/mttpar[\1-1]/g' |\
sed 's/mttu(\([0-9][0-9]*\))/mttu[\1-1]/g' |\
sed 's/mttx(\([0-9][0-9]*\))/mttx[\1-1]/g' |\
sed 's/mtty(\([0-9][0-9]*\))/mtty[\1-1]/g' |\
sed 's/mttyz(\([0-9][0-9]*\))/mttyz[\1-1]/g' |\
sed 's/mttz(\([0-9][0-9]*\))/mttz[\1-1]/g' |\
sed 's/mttopen(\([0-9][0-9]*\))/mttopen[\1-1]/g' |\
\
# next sections tidy the code up a bit, but are not necessary
sed 's/1\-1\([\,\)]\)/0\1/g' |\
sed 's/2\-1\([\,\)]\)/1\1/g' |\
sed 's/3\-1\([\,\)]\)/2\1/g' |\
sed 's/4\-1\([\,\)]\)/3\1/g' |\
sed 's/5\-1\([\,\)]\)/4\1/g' |\
sed 's/6\-1\([\,\)]\)/5\1/g' |\
sed 's/7\-1\([\,\)]\)/6\1/g' |\
sed 's/8\-1\([\,\)]\)/7\1/g' |\
sed 's/9\-1\([\,\)]\)/8\1/g' |\
\
sed 's/10\-1\([\,\)]\)/9\1/g' |\
sed 's/20\-1\([\,\)]\)/19\1/g' |\
sed 's/30\-1\([\,\)]\)/29\1/g' |\
sed 's/40\-1\([\,\)]\)/39\1/g' |\
sed 's/50\-1\([\,\)]\)/49\1/g' |\
sed 's/60\-1\([\,\)]\)/59\1/g' |\
sed 's/70\-1\([\,\)]\)/69\1/g' |\
sed 's/80\-1\([\,\)]\)/79\1/g' |\
sed 's/90\-1\([\,\)]\)/89\1/g' |\
\
sed 's/100\-1\([\,\)]\)/99\1/g' |\
sed 's/200\-1\([\,\)]\)/199\1/g' |\
sed 's/300\-1\([\,\)]\)/299\1/g' |\
sed 's/400\-1\([\,\)]\)/399\1/g' |\
sed 's/500\-1\([\,\)]\)/499\1/g' |\
sed 's/600\-1\([\,\)]\)/599\1/g' |\
sed 's/700\-1\([\,\)]\)/699\1/g' |\
sed 's/800\-1\([\,\)]\)/799\1/g' |\
sed 's/900\-1\([\,\)]\)/899\1/g' |\
sed 's/\([(,]\)0\([0-9]\)/\1\2/g'
};
fortran_to_c_paren ()
{
# converts [i] to (i)
sed 's/\[\([^[]*\)\]/(\1)/g'
}
fix_pow ()
{
# matches number^number where number is one or more digits and one or zero decimal points
# converts to pow (number, number)
sed 's/\([0-9]*\)\(\.\)\{0,1\}\([0-9]*\)\^\([0-9]*\)\(\.\)\{0,1\}\([0-9]*\)/pow \(\1\2\3,\4\5\6\)/g'
};
echo Creating ${OUT}
case ${TARGET} in
c)
mtt_header ${SYS} ${REP} "c" > ${TMP}
find_code ${TMP} head > ${OUT}
find_code ${IN} body |\
decrement_indices |\
fix_comment_delimiter c |\
fix_pow |\
strip_junk |\
${PARSER} >> ${OUT}
find_code ${TMP} foot >> ${OUT}
rm ${TMP}
;;
cc | *)
mtt_header ${SYS} ${REP} "oct" > ${TMP}
find_code ${TMP} head > ${OUT}
rep_declarations >> ${OUT}
find_code ${IN} body |\
decrement_indices |\
fortran_to_c_paren |\
fix_comment_delimiter cc |\
fix_pow |\
strip_junk |\
${PARSER} >> ${OUT}
rep_footer >> ${OUT}
find_code ${TMP} foot >> ${OUT}
rm ${TMP}
;;
esac