checkpatch: add tests for the attribute matcher

Add support for direct testing of the attribute matcher, add basic tests
for it.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c6782ac6f130..1c032b1fa9eb 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -66,6 +66,7 @@ if ($#ARGV < 0) {
 my $dbg_values = 0;
 my $dbg_possible = 0;
 my $dbg_type = 0;
+my $dbg_attr = 0;
 for my $key (keys %debug) {
         eval "\${dbg_$key} = '$debug{$key}';"
 }
@@ -1367,6 +1368,15 @@ sub process {
                         }
                         next;
                 }
+# TEST: allow direct testing of the attribute matcher.
+                if ($dbg_attr) {
+                        if ($line =~ /^.\s*$Attribute\s*$/) {
+                                ERROR("TEST: is attr\n" . $herecurr);
+                        } elsif ($dbg_attr > 1 && $line =~ /^.+($Attribute)/) {
+                                ERROR("TEST: is not attr ($1 is)\n". $herecurr);
+                        }
+                        next;
+                }
 
 # check for initialisation to aggregates open brace on the next line
                 if ($prevline =~ /$Declare\s*$Ident\s*=\s*$/ &&