mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 09:20:50 +07:00
a5989e29ac
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200620075402.22347-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
402 lines
8.4 KiB
Perl
Executable File
402 lines
8.4 KiB
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use Text::Tabs;
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use Getopt::Long;
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use Pod::Usage;
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my $debug;
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my $help;
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my $man;
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GetOptions(
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"debug" => \$debug,
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'usage|?' => \$help,
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'help' => \$man
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) or pod2usage(2);
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pod2usage(1) if $help;
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pod2usage(-exitstatus => 0, -verbose => 2) if $man;
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pod2usage(2) if (scalar @ARGV < 2 || scalar @ARGV > 3);
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my ($file_in, $file_out, $file_exceptions) = @ARGV;
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my $data;
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my %ioctls;
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my %defines;
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my %typedefs;
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my %enums;
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my %enum_symbols;
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my %structs;
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require Data::Dumper if ($debug);
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#
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# read the file and get identifiers
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#
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my $is_enum = 0;
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my $is_comment = 0;
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open IN, $file_in or die "Can't open $file_in";
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while (<IN>) {
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$data .= $_;
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my $ln = $_;
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if (!$is_comment) {
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$ln =~ s,/\*.*(\*/),,g;
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$is_comment = 1 if ($ln =~ s,/\*.*,,);
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} else {
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if ($ln =~ s,^(.*\*/),,) {
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$is_comment = 0;
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} else {
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next;
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}
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}
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if ($is_enum && $ln =~ m/^\s*([_\w][\w\d_]+)\s*[\,=]?/) {
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my $s = $1;
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my $n = $1;
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$n =~ tr/A-Z/a-z/;
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$n =~ tr/_/-/;
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$enum_symbols{$s} = "\\ :ref:`$s <$n>`\\ ";
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$is_enum = 0 if ($is_enum && m/\}/);
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next;
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}
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$is_enum = 0 if ($is_enum && m/\}/);
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if ($ln =~ m/^\s*#\s*define\s+([_\w][\w\d_]+)\s+_IO/) {
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my $s = $1;
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my $n = $1;
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$n =~ tr/A-Z/a-z/;
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$ioctls{$s} = "\\ :ref:`$s <$n>`\\ ";
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next;
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}
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if ($ln =~ m/^\s*#\s*define\s+([_\w][\w\d_]+)\s+/) {
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my $s = $1;
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my $n = $1;
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$n =~ tr/A-Z/a-z/;
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$n =~ tr/_/-/;
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$defines{$s} = "\\ :ref:`$s <$n>`\\ ";
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next;
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}
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if ($ln =~ m/^\s*typedef\s+([_\w][\w\d_]+)\s+(.*)\s+([_\w][\w\d_]+);/) {
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my $s = $2;
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my $n = $3;
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$typedefs{$n} = "\\ :c:type:`$n <$s>`\\ ";
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next;
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}
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if ($ln =~ m/^\s*enum\s+([_\w][\w\d_]+)\s+\{/
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|| $ln =~ m/^\s*enum\s+([_\w][\w\d_]+)$/
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|| $ln =~ m/^\s*typedef\s*enum\s+([_\w][\w\d_]+)\s+\{/
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|| $ln =~ m/^\s*typedef\s*enum\s+([_\w][\w\d_]+)$/) {
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my $s = $1;
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$enums{$s} = "enum :c:type:`$s`\\ ";
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$is_enum = $1;
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next;
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}
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if ($ln =~ m/^\s*struct\s+([_\w][\w\d_]+)\s+\{/
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|| $ln =~ m/^\s*struct\s+([[_\w][\w\d_]+)$/
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|| $ln =~ m/^\s*typedef\s*struct\s+([_\w][\w\d_]+)\s+\{/
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|| $ln =~ m/^\s*typedef\s*struct\s+([[_\w][\w\d_]+)$/
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) {
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my $s = $1;
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$structs{$s} = "struct :c:type:`$s`\\ ";
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next;
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}
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}
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close IN;
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#
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# Handle multi-line typedefs
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#
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my @matches = ($data =~ m/typedef\s+struct\s+\S+?\s*\{[^\}]+\}\s*(\S+)\s*\;/g,
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$data =~ m/typedef\s+enum\s+\S+?\s*\{[^\}]+\}\s*(\S+)\s*\;/g,);
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foreach my $m (@matches) {
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my $s = $m;
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$typedefs{$s} = "\\ :c:type:`$s`\\ ";
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next;
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}
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#
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# Handle exceptions, if any
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#
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my %def_reftype = (
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"ioctl" => ":ref",
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"define" => ":ref",
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"symbol" => ":ref",
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"typedef" => ":c:type",
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"enum" => ":c:type",
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"struct" => ":c:type",
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);
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if ($file_exceptions) {
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open IN, $file_exceptions or die "Can't read $file_exceptions";
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while (<IN>) {
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next if (m/^\s*$/ || m/^\s*#/);
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# Parsers to ignore a symbol
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if (m/^ignore\s+ioctl\s+(\S+)/) {
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delete $ioctls{$1} if (exists($ioctls{$1}));
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next;
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}
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if (m/^ignore\s+define\s+(\S+)/) {
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delete $defines{$1} if (exists($defines{$1}));
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next;
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}
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if (m/^ignore\s+typedef\s+(\S+)/) {
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delete $typedefs{$1} if (exists($typedefs{$1}));
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next;
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}
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if (m/^ignore\s+enum\s+(\S+)/) {
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delete $enums{$1} if (exists($enums{$1}));
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next;
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}
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if (m/^ignore\s+struct\s+(\S+)/) {
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delete $structs{$1} if (exists($structs{$1}));
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next;
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}
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if (m/^ignore\s+symbol\s+(\S+)/) {
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delete $enum_symbols{$1} if (exists($enum_symbols{$1}));
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next;
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}
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# Parsers to replace a symbol
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my ($type, $old, $new, $reftype);
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if (m/^replace\s+(\S+)\s+(\S+)\s+(\S+)/) {
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$type = $1;
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$old = $2;
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$new = $3;
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} else {
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die "Can't parse $file_exceptions: $_";
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}
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if ($new =~ m/^\:c\:(data|func|macro|type)\:\`(.+)\`/) {
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$reftype = ":c:$1";
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$new = $2;
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} elsif ($new =~ m/\:ref\:\`(.+)\`/) {
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$reftype = ":ref";
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$new = $1;
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} else {
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$reftype = $def_reftype{$type};
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}
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$new = "$reftype:`$old <$new>`";
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if ($type eq "ioctl") {
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$ioctls{$old} = $new if (exists($ioctls{$old}));
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next;
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}
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if ($type eq "define") {
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$defines{$old} = $new if (exists($defines{$old}));
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next;
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}
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if ($type eq "symbol") {
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$enum_symbols{$old} = $new if (exists($enum_symbols{$old}));
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next;
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}
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if ($type eq "typedef") {
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$typedefs{$old} = $new if (exists($typedefs{$old}));
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next;
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}
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if ($type eq "enum") {
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$enums{$old} = $new if (exists($enums{$old}));
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next;
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}
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if ($type eq "struct") {
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$structs{$old} = $new if (exists($structs{$old}));
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next;
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}
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die "Can't parse $file_exceptions: $_";
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}
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}
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if ($debug) {
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print Data::Dumper->Dump([\%ioctls], [qw(*ioctls)]) if (%ioctls);
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print Data::Dumper->Dump([\%typedefs], [qw(*typedefs)]) if (%typedefs);
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print Data::Dumper->Dump([\%enums], [qw(*enums)]) if (%enums);
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print Data::Dumper->Dump([\%structs], [qw(*structs)]) if (%structs);
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print Data::Dumper->Dump([\%defines], [qw(*defines)]) if (%defines);
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print Data::Dumper->Dump([\%enum_symbols], [qw(*enum_symbols)]) if (%enum_symbols);
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}
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#
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# Align block
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#
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$data = expand($data);
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$data = " " . $data;
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$data =~ s/\n/\n /g;
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$data =~ s/\n\s+$/\n/g;
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$data =~ s/\n\s+\n/\n\n/g;
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#
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# Add escape codes for special characters
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#
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$data =~ s,([\_\`\*\<\>\&\\\\:\/\|\%\$\#\{\}\~\^]),\\$1,g;
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$data =~ s,DEPRECATED,**DEPRECATED**,g;
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#
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# Add references
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#
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my $start_delim = "[ \n\t\(\=\*\@]";
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my $end_delim = "(\\s|,|\\\\=|\\\\:|\\;|\\\)|\\}|\\{)";
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foreach my $r (keys %ioctls) {
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my $s = $ioctls{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/($start_delim)($r)$end_delim/$1$s$3/g;
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}
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foreach my $r (keys %defines) {
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my $s = $defines{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/($start_delim)($r)$end_delim/$1$s$3/g;
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}
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foreach my $r (keys %enum_symbols) {
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my $s = $enum_symbols{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/($start_delim)($r)$end_delim/$1$s$3/g;
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}
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foreach my $r (keys %enums) {
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my $s = $enums{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/enum\s+($r)$end_delim/$s$2/g;
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}
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foreach my $r (keys %structs) {
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my $s = $structs{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/struct\s+($r)$end_delim/$s$2/g;
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}
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foreach my $r (keys %typedefs) {
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my $s = $typedefs{$r};
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$r =~ s,([\_\`\*\<\>\&\\\\:\/]),\\\\$1,g;
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print "$r -> $s\n" if ($debug);
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$data =~ s/($start_delim)($r)$end_delim/$1$s$3/g;
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}
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$data =~ s/\\ ([\n\s])/\1/g;
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#
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# Generate output file
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#
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my $title = $file_in;
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$title =~ s,.*/,,;
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open OUT, "> $file_out" or die "Can't open $file_out";
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print OUT ".. -*- coding: utf-8; mode: rst -*-\n\n";
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print OUT "$title\n";
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print OUT "=" x length($title);
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print OUT "\n\n.. parsed-literal::\n\n";
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print OUT $data;
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close OUT;
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__END__
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=head1 NAME
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parse_headers.pl - parse a C file, in order to identify functions, structs,
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enums and defines and create cross-references to a Sphinx book.
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=head1 SYNOPSIS
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B<parse_headers.pl> [<options>] <C_FILE> <OUT_FILE> [<EXCEPTIONS_FILE>]
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Where <options> can be: --debug, --help or --usage.
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=head1 OPTIONS
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=over 8
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=item B<--debug>
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Put the script in verbose mode, useful for debugging.
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=item B<--usage>
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Prints a brief help message and exits.
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=item B<--help>
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Prints a more detailed help message and exits.
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=back
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=head1 DESCRIPTION
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Convert a C header or source file (C_FILE), into a ReStructured Text
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included via ..parsed-literal block with cross-references for the
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documentation files that describe the API. It accepts an optional
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EXCEPTIONS_FILE with describes what elements will be either ignored or
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be pointed to a non-default reference.
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The output is written at the (OUT_FILE).
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It is capable of identifying defines, functions, structs, typedefs,
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enums and enum symbols and create cross-references for all of them.
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It is also capable of distinguish #define used for specifying a Linux
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ioctl.
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The EXCEPTIONS_FILE contain two rules to allow ignoring a symbol or
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to replace the default references by a custom one.
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Please read Documentation/doc-guide/parse-headers.rst at the Kernel's
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tree for more details.
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=head1 BUGS
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Report bugs to Mauro Carvalho Chehab <mchehab@kernel.org>
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=head1 COPYRIGHT
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Copyright (c) 2016 by Mauro Carvalho Chehab <mchehab+samsung@kernel.org>.
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License GPLv2: GNU GPL version 2 <https://gnu.org/licenses/gpl.html>.
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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=cut
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