From bcec7c218d5aeb170d18c49a33f9bd36ddf9ee37 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Wed, 31 Aug 2016 06:41:40 -0300
Subject: [media] docs-rst: parse-headers.pl: make debug a command line option

Add a parser for the --debug option, in order to allow
seeing what the parser is doing.

Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 Documentation/sphinx/parse-headers.pl | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'Documentation')

diff --git a/Documentation/sphinx/parse-headers.pl b/Documentation/sphinx/parse-headers.pl
index 74089b0da798..531c710fc73f 100755
--- a/Documentation/sphinx/parse-headers.pl
+++ b/Documentation/sphinx/parse-headers.pl
@@ -2,12 +2,18 @@
 use strict;
 use Text::Tabs;
 
-# Uncomment if debug is needed
-#use Data::Dumper;
-
-# change to 1 to generate some debug prints
 my $debug = 0;
 
+while ($ARGV[0] =~ m/^-(.*)/) {
+	my $cmd = shift @ARGV;
+	if ($cmd eq "--debug") {
+		require Data::Dumper;
+		$debug = 1;
+		next;
+	}
+	die "argument $cmd unknown";
+}
+
 if (scalar @ARGV < 2 || scalar @ARGV > 3) {
 	die "Usage:\n\t$0 <file in> <file out> [<exceptions file>]\n";
 }
-- 
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