#! /bin/sh

if [ -d /usr/share/sim2c ]; then
    LIBDIR=/usr/share/sim2c
else
    LIBDIR=$PWD
fi

( cat $LIBDIR/defs.m4
  cat $LIBDIR/prologue.m4
  tr 'A-Z' 'a-z' | \
    sed \
      -e 's/[ 	]*[;#].*//' \
      -e '/^[ 	]*$/d' \
      -e 's/^[ 	][ 	]*//' \
      -e 's/^push[ 	]\(.*\)/push(\1)/' \
      -e 's/\([a-zA-Z][a-zA-Z0-9_]*\):[ 	]*\.word[ 	]*\(.*\)/_def_word_(\1,\2)/' \
      -e 's/\([a-zA-Z][a-zA-Z0-9_]*\):[ 	]*\.space[ 	]*\(.*\)/_def_space_(\1,\2)/' \
      -e 's/^\([a-zA-Z][a-zA-Z0-9_]*\):/label(\1)/' \
      -e 's/^\.word[ 	]*\([-0-9][0-9]*\)/_word_(\1)/' \
      -e 's/^\.word[ 	]*\(.*\)/_word_(\1)/' \
      -e 's/^\.data$/_data_/' \
      -e 's/^\.text$/_text_/'
  cat $LIBDIR/epilogue.m4 ) | m4 '-DLIBDIR=`'$LIBDIR"'"