clean up hint capturing code

Use a clean eval sub so main capture code can have strict applied.

diff --git a/t/strictures.t b/t/strictures.t
index 9cf35bd..411bcce 100644 (file)
--- a/t/strictures.t
+++ b/t/strictures.t
@@ -1,25 +1,27 @@
 BEGIN { $ENV{PERL_STRICTURES_EXTRA} = 0 }
 
+sub _eval { eval $_[0] }
+
+use strict;
+use warnings;
+use Test::More qw(no_plan);
+
 sub capture_hints {
   my $code = shift;
-  my ($hints, $warning_bits);
   $code .= q{
     ;
-    BEGIN {
-      # ignore lexicalized hints
-      $hints = $^H & ~ 0x20000;
-      $warning_bits = defined ${^WARNING_BITS} ? (unpack "H*", ${^WARNING_BITS}) : undef;
-    };
-    1;
+    my @h;
+    BEGIN { @h = ( $^H, ${^WARNING_BITS} ) }
+    @h;
   };
-  eval $code or die $@;
+  my ($hints, $warning_bits) = _eval $code or die $@;
+  # ignore lexicalized hints
+  $hints &= ~ 0x20000;
+  $warning_bits = unpack "H*", $warning_bits
+    if defined $warning_bits;
   return ($hints, $warning_bits);
 }
 
-use strict;
-use warnings;
-use Test::More qw(no_plan);
-
 sub compare_hints {
   my ($code_want, $code_got, $name) = @_;
   my ($want_hints, $want_warnings) = capture_hints $code_want;