diff options
Diffstat (limited to 'scripts/get_abi.pl')
| -rwxr-xr-x | scripts/get_abi.pl | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl deleted file mode 100755 index c738cb795514..000000000000 --- a/scripts/get_abi.pl +++ /dev/null @@ -1,468 +0,0 @@ -#!/usr/bin/perl -# SPDX-License-Identifier: GPL-2.0 - -use strict; -use Pod::Usage; -use Getopt::Long; -use File::Find; -use Fcntl ':mode'; - -my $help; -my $man; -my $debug; -my $prefix="Documentation/ABI"; - -GetOptions( - "debug|d+" => \$debug, - "dir=s" => \$prefix, - 'help|?' => \$help, - man => \$man -) or pod2usage(2); - -pod2usage(1) if $help; -pod2usage(-exitstatus => 0, -verbose => 2) if $man; - -pod2usage(2) if (scalar @ARGV < 1 || @ARGV > 2); - -my ($cmd, $arg) = @ARGV; - -pod2usage(2) if ($cmd ne "search" && $cmd ne "rest" && $cmd ne "validate"); -pod2usage(2) if ($cmd eq "search" && !$arg); - -require Data::Dumper if ($debug); - -my %data; - -# -# Displays an error message, printing file name and line -# -sub parse_error($$$$) { - my ($file, $ln, $msg, $data) = @_; - - print STDERR "file $file#$ln: $msg at\n\t$data"; -} - -# -# Parse an ABI file, storing its contents at %data -# -sub parse_abi { - my $file = $File::Find::name; - - my $mode = (stat($file))[2]; - return if ($mode & S_IFDIR); - return if ($file =~ m,/README,); - - my $name = $file; - $name =~ s,.*/,,; - - my $nametag = "File $name"; - $data{$nametag}->{what} = "File $name"; - $data{$nametag}->{type} = "File"; - $data{$nametag}->{file} = $name; - $data{$nametag}->{filepath} = $file; - $data{$nametag}->{is_file} = 1; - - my $type = $file; - $type =~ s,.*/(.*)/.*,$1,; - - my $what; - my $new_what; - my $tag; - my $ln; - my $xrefs; - my $space; - my @labels; - my $label; - - print STDERR "Opening $file\n" if ($debug > 1); - open IN, $file; - while(<IN>) { - $ln++; - if (m/^(\S+)(:\s*)(.*)/i) { - my $new_tag = lc($1); - my $sep = $2; - my $content = $3; - - if (!($new_tag =~ m/(what|where|date|kernelversion|contact|description|users)/)) { - if ($tag eq "description") { - # New "tag" is actually part of - # description. Don't consider it a tag - $new_tag = ""; - } elsif ($tag ne "") { - parse_error($file, $ln, "tag '$tag' is invalid", $_); - } - } - - # Invalid, but it is a common mistake - if ($new_tag eq "where") { - parse_error($file, $ln, "tag 'Where' is invalid. Should be 'What:' instead", $_); - $new_tag = "what"; - } - - if ($new_tag =~ m/what/) { - $space = ""; - if ($tag =~ m/what/) { - $what .= ", " . $content; - } else { - parse_error($file, $ln, "What '$what' doesn't have a description", "") if ($what && !$data{$what}->{description}); - - $what = $content; - $label = $content; - $new_what = 1; - } - push @labels, [($content, $label)]; - $tag = $new_tag; - - push @{$data{$nametag}->{xrefs}}, [($content, $label)] if ($data{$nametag}->{what}); - next; - } - - if ($tag ne "" && $new_tag) { - $tag = $new_tag; - - if ($new_what) { - @{$data{$what}->{label}} = @labels if ($data{$nametag}->{what}); - @labels = (); - $label = ""; - $new_what = 0; - - $data{$what}->{type} = $type; - $data{$what}->{file} = $name; - $data{$what}->{filepath} = $file; - print STDERR "\twhat: $what\n" if ($debug > 1); - } - - if (!$what) { - parse_error($file, $ln, "'What:' should come first:", $_); - next; - } - if ($tag eq "description") { - next if ($content =~ m/^\s*$/); - if ($content =~ m/^(\s*)(.*)/) { - my $new_content = $2; - $space = $new_tag . $sep . $1; - while ($space =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {} - $space =~ s/./ /g; - $data{$what}->{$tag} .= "$new_content\n"; - } - } else { - $data{$what}->{$tag} = $content; - } - next; - } - } - - # Store any contents before tags at the database - if (!$tag && $data{$nametag}->{what}) { - $data{$nametag}->{description} .= $_; - next; - } - - if ($tag eq "description") { - if (!$data{$what}->{description}) { - next if (m/^\s*\n/); - if (m/^(\s*)(.*)/) { - $space = $1; - while ($space =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {} - $data{$what}->{$tag} .= "$2\n"; - } - } else { - my $content = $_; - if (m/^\s*\n/) { - $data{$what}->{$tag} .= $content; - next; - } - - while ($content =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {} - $space = "" if (!($content =~ s/^($space)//)); - - # Compress spaces with tabs - $content =~ s<^ {8}> <\t>; - $content =~ s<^ {1,7}\t> <\t>; - $content =~ s< {1,7}\t> <\t>; - $data{$what}->{$tag} .= $content; - } - next; - } - if (m/^\s*(.*)/) { - $data{$what}->{$tag} .= "\n$1"; - $data{$what}->{$tag} =~ s/\n+$//; - next; - } - - # Everything else is error - parse_error($file, $ln, "Unexpected line:", $_); - } - $data{$nametag}->{description} =~ s/^\n+//; - close IN; -} - -# -# Outputs the book on ReST format -# - -my %labels; - -sub output_rest { - foreach my $what (sort { - ($data{$a}->{type} eq "File") cmp ($data{$b}->{type} eq "File") || - $a cmp $b - } keys %data) { - my $type = $data{$what}->{type}; - my $file = $data{$what}->{file}; - my $filepath = $data{$what}->{filepath}; - - my $w = $what; - $w =~ s/([\(\)\_\-\*\=\^\~\\])/\\$1/g; - - - foreach my $p (@{$data{$what}->{label}}) { - my ($content, $label) = @{$p}; - $label = "abi_" . $label . " "; - $label =~ tr/A-Z/a-z/; - - # Convert special chars to "_" - $label =~s/([\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\xff])/_/g; - $label =~ s,_+,_,g; - $label =~ s,_$,,; - - # Avoid duplicated labels - while (defined($labels{$label})) { - my @chars = ("A".."Z", "a".."z"); - $label .= $chars[rand @chars]; - } - $labels{$label} = 1; - - $data{$what}->{label} .= $label; - - printf ".. _%s:\n\n", $label; - - # only one label is enough - last; - } - - - $filepath =~ s,.*/(.*/.*),\1,;; - $filepath =~ s,[/\-],_,g;; - my $fileref = "abi_file_".$filepath; - - if ($type eq "File") { - my $bar = $w; - $bar =~ s/./-/g; - - print ".. _$fileref:\n\n"; - print "$w\n$bar\n\n"; - } else { - my @names = split /\s*,\s*/,$w; - - my $len = 0; - - foreach my $name (@names) { - $len = length($name) if (length($name) > $len); - } - - print "What:\n\n"; - - print "+-" . "-" x $len . "-+\n"; - foreach my $name (@names) { - printf "| %s", $name . " " x ($len - length($name)) . " |\n"; - print "+-" . "-" x $len . "-+\n"; - } - print "\n"; - } - - print "Defined on file :ref:`$file <$fileref>`\n\n" if ($type ne "File"); - - my $desc = $data{$what}->{description}; - $desc =~ s/^\s+//; - - # Remove title markups from the description, as they won't work - $desc =~ s/\n[\-\*\=\^\~]+\n/\n/g; - - if (!($desc =~ /^\s*$/)) { - if ($desc =~ m/\:\n/ || $desc =~ m/\n[\t ]+/ || $desc =~ m/[\x00-\x08\x0b-\x1f\x7b-\xff]/) { - # put everything inside a code block - $desc =~ s/\n/\n /g; - - print "::\n\n"; - print " $desc\n\n"; - } else { - # Escape any special chars from description - $desc =~s/([\x00-\x08\x0b-\x1f\x21-\x2a\x2d\x2f\x3c-\x40\x5c\x5e-\x60\x7b-\xff])/\\$1/g; - - print "$desc\n\n"; - } - } else { - print "DESCRIPTION MISSING for $what\n\n" if (!$data{$what}->{is_file}); - } - - if ($data{$what}->{xrefs}) { - printf "Has the following ABI:\n\n"; - - foreach my $p(@{$data{$what}->{xrefs}}) { - my ($content, $label) = @{$p}; - $label = "abi_" . $label . " "; - $label =~ tr/A-Z/a-z/; - - # Convert special chars to "_" - $label =~s/([\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\xff])/_/g; - $label =~ s,_+,_,g; - $label =~ s,_$,,; - - # Escape special chars from content - $content =~s/([\x00-\x1f\x21-\x2f\x3a-\x40\x7b-\xff])/\\$1/g; - - print "- :ref:`$content <$label>`\n\n"; - } - } - } -} - -# -# Searches for ABI symbols -# -sub search_symbols { - foreach my $what (sort keys %data) { - next if (!($what =~ m/($arg)/)); - - my $type = $data{$what}->{type}; - next if ($type eq "File"); - - my $file = $data{$what}->{filepath}; - - my $bar = $what; - $bar =~ s/./-/g; - - print "\n$what\n$bar\n\n"; - - my $kernelversion = $data{$what}->{kernelversion}; - my $contact = $data{$what}->{contact}; - my $users = $data{$what}->{users}; - my $date = $data{$what}->{date}; - my $desc = $data{$what}->{description}; - $kernelversion =~ s/^\s+//; - $contact =~ s/^\s+//; - $users =~ s/^\s+//; - $users =~ s/\n//g; - $date =~ s/^\s+//; - $desc =~ s/^\s+//; - - printf "Kernel version:\t\t%s\n", $kernelversion if ($kernelversion); - printf "Date:\t\t\t%s\n", $date if ($date); - printf "Contact:\t\t%s\n", $contact if ($contact); - printf "Users:\t\t\t%s\n", $users if ($users); - print "Defined on file:\t$file\n\n"; - print "Description:\n\n$desc"; - } -} - - -# -# Parses all ABI files located at $prefix dir -# -find({wanted =>\&parse_abi, no_chdir => 1}, $prefix); - -print STDERR Data::Dumper->Dump([\%data], [qw(*data)]) if ($debug); - -# -# Handles the command -# -if ($cmd eq "rest") { - output_rest; -} elsif ($cmd eq "search") { - search_symbols; -} - - -__END__ - -=head1 NAME - -abi_book.pl - parse the Linux ABI files and produce a ReST book. - -=head1 SYNOPSIS - -B<abi_book.pl> [--debug] [--man] [--help] [--dir=<dir>] <COMAND> [<ARGUMENT>] - -Where <COMMAND> can be: - -=over 8 - -B<search> [SEARCH_REGEX] - search for [SEARCH_REGEX] inside ABI - -B<rest> - output the ABI in ReST markup language - -B<validate> - validate the ABI contents - -=back - -=head1 OPTIONS - -=over 8 - -=item B<--dir> - -Changes the location of the ABI search. By default, it uses -the Documentation/ABI directory. - -=item B<--debug> - -Put the script in verbose mode, useful for debugging. Can be called multiple -times, to increase verbosity. - -=item B<--help> - -Prints a brief help message and exits. - -=item B<--man> - -Prints the manual page and exits. - -=back - -=head1 DESCRIPTION - -Parse the Linux ABI files from ABI DIR (usually located at Documentation/ABI), -allowing to search for ABI symbols or to produce a ReST book containing -the Linux ABI documentation. - -=head1 EXAMPLES - -Search for all stable symbols with the word "usb": - -=over 8 - -$ scripts/get_abi.pl search usb --dir Documentation/ABI/stable - -=back - -Search for all symbols that match the regex expression "usb.*cap": - -=over 8 - -$ scripts/get_abi.pl search usb.*cap - -=back - -Output all obsoleted symbols in ReST format - -=over 8 - -$ scripts/get_abi.pl rest --dir Documentation/ABI/obsolete - -=back - -=head1 BUGS - -Report bugs to Mauro Carvalho Chehab <mchehab+samsung@kernel.org> - -=head1 COPYRIGHT - -Copyright (c) 2016-2019 by Mauro Carvalho Chehab <mchehab+samsung@kernel.org>. - -License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>. - -This is free software: you are free to change and redistribute it. -There is NO WARRANTY, to the extent permitted by law. - -=cut |
