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scripts: get_abi.pl: Allow optionally record from where a line came from

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The get_abi.pl reads a lot of files and can join them on a
single output file. Store where each "What:" output came from,
in order to be able to optionally display it.

This is useful for the Sphinx extension, with can now be
able to blame what ABI file has issues, and on what line
the What: description with problems begin.

Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/befc387011c5e3c6febd285b7f27610e41c90260.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-10-30 08:40:22 +01:00 committed by Greg Kroah-Hartman
parent e9bca8918e
commit 61439c4ada
1 changed files with 21 additions and 1 deletions
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22
scripts/get_abi.pl
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@ -10,6 +10,7 @@ use Fcntl ':mode';
my $help;
my $man;
my $debug;
my $enable_lineno;
my $prefix="Documentation/ABI";
#
@ -19,6 +20,7 @@ my $description_is_rst = 0;
GetOptions(
"debug|d+" => \$debug,
"enable-lineno" => \$enable_lineno,
"rst-source!" => \$description_is_rst,
"dir=s" => \$prefix,
'help|?' => \$help,
@ -67,6 +69,7 @@ sub parse_abi {
$data{$nametag}->{file} = $name;
$data{$nametag}->{filepath} = $file;
$data{$nametag}->{is_file} = 1;
$data{$nametag}->{line_no} = 1;
my $type = $file;
$type =~ s,.*/(.*)/.*,$1,;
@ -126,6 +129,8 @@ sub parse_abi {
if ($tag ne "" && $new_tag) {
$tag = $new_tag;
$data{$what}->{line_no} = $ln;
if ($new_what) {
@{$data{$what}->{label}} = @labels if ($data{$nametag}->{what});
@labels = ();
@ -221,6 +226,12 @@ sub output_rest {
my $file = $data{$what}->{file};
my $filepath = $data{$what}->{filepath};
if ($enable_lineno) {
printf "#define LINENO %s%s#%s\n\n",
$prefix, $data{$what}->{file},
$data{$what}->{line_no};
}
my $w = $what;
$w =~ s/([\(\)\_\-\*\=\^\~\\])/\\$1/g;
@ -369,6 +380,10 @@ sub search_symbols {
}
}
# Ensure that the prefix will always end with a slash
# While this is not needed for find, it makes the patch nicer
# with --enable-lineno
$prefix =~ s,/?$,/,;
#
# Parses all ABI files located at $prefix dir
@ -395,7 +410,8 @@ abi_book.pl - parse the Linux ABI files and produce a ReST book.
=head1 SYNOPSIS
B<abi_book.pl> [--debug] [--man] [--help] --[(no-)rst-source] [--dir=<dir>] <COMAND> [<ARGUMENT>]
B<abi_book.pl> [--debug] [--enable-lineno] [--man] [--help]
[--(no-)rst-source] [--dir=<dir>] <COMAND> [<ARGUMENT>]
Where <COMMAND> can be:
@ -425,6 +441,10 @@ selecting between a rst-compliant source ABI (--rst-source), or a
plain text that may be violating ReST spec, so it requres some escaping
logic (--no-rst-source).
=item B<--enable-lineno>
Enable output of #define LINENO lines.
=item B<--debug>
Put the script in verbose mode, useful for debugging. Can be called multiple