make/scripts/normalizer.pl

Mon, 22 Jun 2020 16:19:12 +0100

author
andrew
date
Mon, 22 Jun 2020 16:19:12 +0100
changeset 2525
2bab25ddc567
parent 0
75a576e87639
permissions
-rw-r--r--

Added tag jdk8u262-b08 for changeset 59b2de0b2c60

     1 #!/usr/bin/perl
     3 #
     4 # Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     6 #
     7 # This code is free software; you can redistribute it and/or modify it
     8 # under the terms of the GNU General Public License version 2 only, as
     9 # published by the Free Software Foundation.
    10 #
    11 # This code is distributed in the hope that it will be useful, but WITHOUT
    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14 # version 2 for more details (a copy is included in the LICENSE file that
    15 # accompanied this code).
    16 #
    17 # You should have received a copy of the GNU General Public License version
    18 # 2 along with this work; if not, write to the Free Software Foundation,
    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20 #
    21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22 # or visit www.oracle.com if you need additional information or have any
    23 # questions.
    24 #
    26 #
    27 # Parses java files:
    28 #   1. Removes from the end of lines spaces and TABs
    29 #   2. Replaces TABs by spaces
    30 #   3. Replaces all NewLine separators by Unix NewLine separators
    31 #   4. Makes one and only one empty line at the end of each file
    33 if ($#ARGV < 0) {
    34     &usage;
    36     die;
    37 }
    39 use Cwd 'abs_path';
    41 my @extensions = ("java");
    43 # Read options
    44 my $dirpos = 0;
    46 while ($dirpos < $#ARGV) {
    47     if ($ARGV[$dirpos] eq "-e") {
    48         @extensions = split(/,/, $ARGV[$dirpos + 1]);
    49     } else {
    50         last;
    51     }
    53     $dirpos += 2;
    54 }
    56 if ($dirpos > $#ARGV) {
    57     &usage;
    59     die;
    60 }
    62 use Cwd;
    63 my $currdir = getcwd;
    65 my $allfiles = 0;
    67 my $filecount = 0;
    69 my @tabvalues;
    71 # Init tabvalues
    72 push (@tabvalues, " ");
    74 for (my $i = 1; $i < 8; $i++) {
    75     push(@tabvalues, $tabvalues[$i - 1] . " ");
    76 }
    78 open(FILELIST, ">$currdir/filelist") or die "Failed while open $currdir/filelist: $!\n";
    80 while ($dirpos <= $#ARGV) {
    81     use File::Find;
    83     find(\&parse_file, abs_path($ARGV[$dirpos]));
    85     $dirpos += 1;
    86 }
    88 close(FILELIST);
    90 use Cwd 'chdir';
    91 chdir $currdir;
    93 print "Checked $allfiles file(s)\n";
    94 print "Modified $filecount file(s)\n";
    95 print "See results in the file $currdir/filelist\n";
    97 sub parse_file {
    98     my $filename = $File::Find::name;
   100     # Skip directories
   101     return if -d;
   103     # Skip SCCS files
   104     return if ($filename =~ /\/SCCS\//);
   106     # Skip files with invalid extensions
   107     my $accepted = 0;
   108     foreach my $ext (@extensions) {
   109         if ($_ =~ /\.$ext$/i) {
   110             $accepted = 1;
   112             last;
   113         }
   114     }
   115     return if ($accepted == 0);
   117     use File::Basename;
   118     my $dirname = dirname($filename);
   120     use Cwd 'chdir';
   121     chdir $dirname;
   123     open(FILE, $filename) or die "Failed while open $filename: $!\n";
   125     # Read file
   126     my @content;
   127     my $line;
   128     my $emptylinescount = 0;
   129     my $modified = 0;
   131     while ($line = <FILE>) {
   132         my $originalline = $line;
   134         # Process line
   136         # Remove from the end of the line spaces and return character
   137         while ($line =~ /\s$/) {
   138             chop($line);
   139         }
   141         # Replace TABs
   142         for (my $i = 0; $i < length($line); $i++) {
   143             if (substr($line, $i, 1) =~ /\t/) {
   144                 $line = substr($line, 0, $i) . $tabvalues[7 - ($i % 8)] . substr($line, $i + 1);
   145             }
   146         }
   148         if (length($line) == 0) {
   149             $emptylinescount++;
   150         } else {
   151             while ($emptylinescount > 0) {
   152                 push(@content, "");
   154                 $emptylinescount--;
   155             }
   157             push(@content, $line);
   158         }
   160         if ($originalline ne ($line . "\n")) {
   161             $modified = 1;
   162         }
   164     }
   166     $allfiles++;
   168     if ($emptylinescount > 0) {
   169         $modified = 1;
   170     }
   172     close(FILE);
   174     if ($modified != 0) {
   175         # Write file
   176         open(FILE, ">$filename") or die "Failed while open $filename: $!\n";
   178         for (my $i = 0; $i <= $#content; $i++) {
   179             print FILE "$content[$i]\n";
   180         }
   182         close(FILE);
   184         # Print name from current dir
   185         if (index($filename, $currdir) == 0) {
   186            print FILELIST substr($filename, length($currdir) + 1);
   187         } else {
   188            print FILELIST $filename;
   189         }
   190         print FILELIST "\n";
   192         $filecount++;
   194         print "$filename: modified\n";
   195     }
   196 }
   198 sub usage {
   199     print "Usage:\n";
   200     print "  normalizer.pl [-options] <dir> [dir2 dir3 ...]\n";
   201     print "  Available options:\n";
   202     print "    -e    comma separated files extensions. By default accepts only java files\n";
   203     print "\n";
   204     print "Examples:\n";
   205     print "  normalizer.pl -e c,cpp,h,hpp .\n";
   206 }

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