util/openssl-format-source

   1 #!/bin/sh
   2 #
   3 # openssl-format-source
   4 # - format source tree according to OpenSSL coding style using indent
   5 #
   6 # usage:
   7 #   openssl-format-source [-v] [-n] [file|directory] ...
   8 #
   9 # note: the indent options assume GNU indent v2.2.10 which was released
  10 #       Feb-2009 so if you have an older indent the options may not
  11 #       match what is expected
  12 #
  13 # any marked block comment blocks have to be moved to align manually after
  14 # the reformatting has been completed as marking a block causes indent to
  15 # not move it at all ...
  16 #
  17
  18 PATH=/usr/local/bin:/bin:/usr/bin:$PATH
  19 export PATH
  20
  21 set -e
  22
  23 if [ $# -eq 0 ]; then
  24   echo "usage: $0 [-v] [-n] [-c] [sourcefile|sourcedir] ..." >&2
  25   exit 1
  26 fi
  27
  28 VERBOSE=false
  29 DONT=false
  30 STOPARGS=false
  31 COMMENTS=false
  32
  33 # for this exercise, we want to force the openssl style, so we roll
  34 # our own indent profile, which is at a well known location
  35 INDENT_PROFILE="`dirname $0`/indent.pro"
  36 export INDENT_PROFILE
  37 if [ -f "$INDENT_PROFILE" ]; then
  38   echo "$0: unable to locate the openssl indent.pro file" >&2
  39   exit 1
  40 fi
  41
  42 # Extra arguments; for adding the comment-formatting
  43 INDENT_ARGS=""
  44 for i
  45 do
  46   if [ "$STOPARGS" != "true" ]; then
  47     case $i in
  48       --) STOPARGS="true"; continue;;
  49       -n) DONT="true"; continue;;
  50       -v) VERBOSE="true";
  51           echo "INDENT_PROFILE=$INDENT_PROFILE";
  52           continue;;
  53       -c) COMMENTS="true";
  54           INDENT_ARGS="-fc1 -fca -cdb -sc";
  55           continue;;
  56     esac
  57   fi
  58
  59   if [ -d "$i" ]; then
  60     LIST=`find "$i" -name '*.[ch]' -print`
  61   else
  62     if [ ! -f "$i" ]; then
  63       echo "$0: source file not found: $i" >&2
  64       exit 1
  65     fi
  66     LIST="$i"
  67   fi
  68
  69   for j in $LIST
  70   do
  71     # ignore symlinks - we only ever process the base file - so if we
  72     # expand a directory tree we need to ignore any located symlinks
  73     if [ -d "$i" ]; then
  74       if [ -h "$j" ]; then
  75         continue;
  76       fi
  77     fi
  78
  79     if [ "$VERBOSE" = "true" ]; then
  80       echo "$j"
  81     fi
  82
  83     if [ "$DONT" = "false" ]; then
  84       tmp=$(mktemp /tmp/indent.XXXXXX)
  85       trap 'rm -f "$tmp"' HUP INT TERM EXIT
  86
  87       case $j in
  88         # the list of files that indent is unable to handle correctly
  89         # that we simply leave alone for manual formatting now
  90         *)
  91           if [ "$COMMENTS" = "true" ]; then
  92             # we have to mark single line comments as /*- ...*/ to stop indent
  93             # messing with them, run expand then indent as usual but with the
  94             # the process-comments options and then undo that marking, and then
  95             # finally re-run indent without process-comments so the marked-to-
  96             # be-ignored comments we did automatically end up getting moved
  97             # into the right possition within the code as indent leaves marked
  98             # comments entirely untouched - we appear to have no way to avoid
  99             # the double processing and get the desired output
 100             cat "$j" | \
 101             expand | \
 102             perl -0 -np \
 103               -e 's/(\n#[ \t]*ifdef[ \t]+__cplusplus\n[^\n]*\n#[ \t]*endif\n)/\n\n\/**INDENT-OFF**\/$1\/**INDENT-ON**\/\n/g;' \
 104               -e 's/(\n\/\*\!)/\n\/**/g;' \
 105               -e 's/(STACK_OF|LHASH_OF)\(([^ \t,\)]+)\) /$1_$2_ /g;' \
 106               | \
 107             perl -np \
 108               -e 's/^([ \t]*)\/\*([ \t]+.*)\*\/[ \t]*$/if (length("$1$2")<75) {$c="-"}else{$c=""}; "$1\/*$c$2*\/"/e;' \
 109               -e 's/^\/\* ((Copyright|=|----).*)$/\/*-$1/;' \
 110               -e 's/^((DECLARE|IMPLEMENT)_(EXTERN_ASN1|ASN1|ADB|STACK_OF).*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
 111               -e 's/^([ \t]*(make_dh|make_dh_bn|make_rfc5114_td)\(.*\)[ \t,]*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
 112               -e 's/^(ASN1_ADB_TEMPLATE\(.*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
 113               -e 's/^((ASN1|ADB)_.*_END\(.*[\){=,;]+[ \t]*)$/$1\n\/**INDENT-ON**\//;' \
 114               -e '/ASN1_ITEM_(ref|ptr|rptr)/ || s/^((ASN1|ADB)_[^\*]*[){=,]+[ \t]*)$/\/**INDENT-OFF**\/\n$1/;' \
 115               -e 's/^(} (ASN1|ADB)_[^\*]*[\){=,;]+)$/$1\n\/**INDENT-ON**\//;' \
 116               | \
 117               indent $INDENT_ARGS | \
 118               perl -np \
 119                 -e 's/^([ \t]*)\/\*-(.*)\*\/[ \t]*$/$1\/*$2*\//;' \
 120                 -e 's/^\/\*-((Copyright|=|----).*)$/\/* $1/;' \
 121               | indent | \
 122               perl -0 -np \
 123                 -e 's/\/\*\*INDENT-(ON|OFF)\*\*\/\n//g;' \
 124               | perl -np \
 125                 -e 's/(STACK_OF|LHASH_OF)_([^ \t,]+)_( |\/)/$1($2)$3/g;' \
 126                 -e 's/(STACK_OF|LHASH_OF)_([^ \t,]+)_$/$1($2)/g;' \
 127               > "$tmp"
 128           else
 129             expand "$j" | indent $INDENT_ARGS > "$tmp"
 130           fi
 131           ;;
 132       esac
 133       mv "$tmp" "$j"
 134     fi
 135   done
 136 done
 137
 138