From 123febd365b7696e106df716dd78eaf8b7fc5d28 Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.be>
Date: Mon, 7 Dec 2020 15:11:04 +0100
Subject: Pragma 'swap-pairs', and allow language specific pragmas.

We can now prefix a pragma with '@language', to only apply for the
specific language. And we have a new pragma 'swap-pairs' with swaps
consecutive output lines before comparing it with the expected output.
---
 challenge-090/abigail/test.pl | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/challenge-090/abigail/test.pl b/challenge-090/abigail/test.pl
index d9d74784f7..8971d7d938 100755
--- a/challenge-090/abigail/test.pl
+++ b/challenge-090/abigail/test.pl
@@ -178,7 +178,10 @@ foreach my $challenge (@challenges) {
                     while ($exp =~ s/^\s*#%\s*(.*)\n//) {
                         my $pragma = $1;
                         $pragma =~ s/\s+$//;
-                        if ($pragma =~ /^\w+$/) {
+                        if ($pragma =~ s/^\@(\S+)\s*//) {
+                            next unless lc ($1) eq lc ($language);
+                        }
+                        if ($pragma =~ /^[-\w]+$/) {
                             $pragma {lc $pragma} = 1;
                             next;
                         }
@@ -214,6 +217,13 @@ foreach my $challenge (@challenges) {
                     if ($pragma {trim}) {
                         s/^\h+//gm for $exp, $got;
                     }
+                    if ($pragma {"swap-pairs"}) {
+                        my @got = split /\n/ => $got;
+                        for (my $i = 0; $i + 1 < @got; $i += 2) {
+                            @got [$i, $i + 1] = @got [$i + 1, $i];
+                        }
+                        $got = join "\n" => @got, "";
+                    }
                     is $got, $exp, $name;
                 }}
                 unlink $compiled if $compiled;
-- 
cgit