File mttroot/mtt/cc/mtt_m2cc.sh artifact a8173c1c2f part of check-in a822056bb5

#! /bin/sh

SYS=$1
REP=$2
PARSER=${3:-indent}

IN=${SYS}_${REP}.m
OUT=${SYS}_${REP}.cc
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 ["first"]      = (double) mttsimpar.first;
  mttsimpar_map ["dt"]         = (double) mttsimpar.dt;
  mttsimpar_map ["last"]       = (double) mttsimpar.last;
  mttsimpar_map ["stepfactor"] = (double) mttsimpar.stepfactor;
  mttsimpar_map ["wmin"]       = (double) mttsimpar.wmin;
  mttsimpar_map ["wmax"]       = (double) mttsimpar.wmax;
  mttsimpar_map ["wsteps"]     = (double) mttsimpar.wsteps;
  mttsimpar_map ["input"]      = (double) mttsimpar.input;
EOF
	;;
    *)
	;;
esac)
};

find_code ()
{
    file_in=${1:-${IN}}
    portion=${2:-"body"}
    head=`cat ${file_in} | awk '($2 == "BEGIN" && $3 == "Code") { print NR }'`
    foot=`cat ${file_in} | awk '($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 ${file_in} |\
    awk --assign start=${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 ()
{
    # 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++
    sed 's/[%#]/\/\//g' | sed 's/\/\/\/\//\/\//g'
    
};

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\([\,\)]\)/09\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\([\,\)]\)/099\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\([^,)]\)/\1\2/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}

mtt_header ${SYS} ${REP} "oct"	>  ${TMP}
find_code ${TMP} head		>  ${OUT}
rep_declarations		>> ${OUT}
find_code ${IN} body   		|\
        decrement_indices	|\
	fix_comment_delimiter	|\
	fix_pow			|\
	strip_junk		|\
	${PARSER}      		>> ${OUT}
rep_footer			>> ${OUT}
find_code ${TMP} foot		>> ${OUT}
rm ${TMP}