feature_to_c.sh

   1 #!/bin/sh
   2
   3 # Convert text files to compilable C arrays.
   4 #
   5 # Copyright (C) 2007 Free Software Foundation, Inc.
   6 #
   7 # This file is part of GDB.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22 # Boston, MA 02110-1301, USA.
  23
  24 output=$1
  25 shift
  26
  27 if test -z "$output" || test -z "$1"; then
  28   echo "Usage: $0 OUTPUTFILE INPUTFILE..."
  29   exit 1
  30 fi
  31
  32 if test -e "$output"; then
  33   echo "Output file \"$output\" already exists; refusing to overwrite."
  34   exit 1
  35 fi
  36
  37 for input; do
  38   arrayname=xml_feature_`echo $input | sed 's,.*/,,; s/[-.]/_/g'`
  39
  40   ${AWK:-awk} 'BEGIN { n = 0
  41       print "static const char '$arrayname'[] = {"
  42       for (i = 0; i < 255; i++)
  43         _ord_[sprintf("%c", i)] = i
  44     } {
  45       split($0, line, "");
  46       printf "  "
  47       for (i = 1; i <= length($0); i++) {
  48         c = line[i]
  49         if (c == "'\''") {
  50           printf "'\''\\'\'''\'', "
  51         } else if (c == "\\") {
  52           printf "'\''\\\\'\'', "
  53         } else if (_ord_[c] >= 32 && _ord_[c] < 127) {
  54           printf "'\''%s'\'', ", c
  55         } else {
  56           printf "'\''\\%03o'\'', ", _ord_[c]
  57         }
  58         if (i % 10 == 0)
  59           printf "\n   "
  60       }
  61       printf "'\''\\n'\'', \n"
  62     } END {
  63       print "  0 };"
  64     }' < $input >> $output
  65 done
  66
  67 echo >> $output
  68 echo "extern const char *const xml_builtin[][2];" >> $output
  69 echo "const char *const xml_builtin[][2] = {" >> $output
  70
  71 for input; do
  72   basename=`echo $input | sed 's,.*/,,'`
  73   arrayname=xml_feature_`echo $input | sed 's,.*/,,; s/[-.]/_/g'`
  74   echo "  { \"$basename\", $arrayname }," >> $output
  75 done
  76
  77 echo "  { 0, 0 }" >> $output
  78 echo "};" >> $output