Upgrade to Module-Build-0.2808

[p5sagit/p5-mst-13.2.git] / lib / assertions.pm

diff --git a/lib/assertions.pm b/lib/assertions.pm
index 0ced4bc..6c5c211 100644 (file)
--- a/lib/assertions.pm
+++ b/lib/assertions.pm
@@ -1,12 +1,12 @@
 package assertions;
 
-our $VERSION = '0.02';
+our $VERSION = '0.04';
 
 # use strict;
 # use warnings;
 
-my $hint=0x01000000;
-my $seen_hint=0x02000000;
+my $hint = 1;
+my $seen_hint = 2;
 
 sub _syntax_error ($$) {
     my ($expr, $why)=@_;
@@ -67,10 +67,10 @@ sub _calc_expr {
                    shift @op;
                }
                elsif ($t eq '_') {
-                   unless ($^H & $seen_hint) {
+                   unless ($^H{assertions} & $seen_hint) {
                        _carp "assertion status '_' referenced but not previously defined";
                    }
-                   $t=($^H & $hint) ? 1 : 0;
+                   $t=($^H{assertions} & $hint) ? 1 : 0;
                }
                elsif ($t ne '0' and $t ne '1') {
                    $t = ( grep { ref $_ eq 'Regexp'
@@ -109,44 +109,44 @@ sub import {
     foreach my $expr (@_) {
        unless (_calc_expr $expr) {
            # print STDERR "assertions deactived";
-           $^H &= ~$hint;
-           $^H |= $seen_hint;
+           $^H{assertions} &= ~$hint;
+           $^H{assertions} |= $seen_hint;
            return;
        }
     }
     # print STDERR "assertions actived";
-    $^H |= $hint|$seen_hint;
+    $^H{assertions} |= $hint|$seen_hint;
 }
 
 sub unimport {
     @_ > 1
        and _carp($_[0]."->unimport arguments are being ignored");
-    $^H &= ~$hint;
+    $^H{assertions} &= ~$hint;
 }
 
 sub enabled {
     if (@_) {
        if ($_[0]) {
-           $^H |= $hint;
+           $^H{assertions} |= $hint;
        }
        else {
-           $^H &= ~$hint;
+           $^H{assertions} &= ~$hint;
        }
-       $^H |= $seen_hint;
+       $^H{assertions} |= $seen_hint;
     }
-    return $^H & $hint ? 1 : 0;
+    return $^H{assertions} & $hint ? 1 : 0;
 }
 
 sub seen {
     if (@_) {
        if ($_[0]) {
-           $^H |= $seen_hint;
+           $^H{assertions} |= $seen_hint;
        }
        else {
-           $^H &= ~$seen_hint;
+           $^H{assertions} &= ~$seen_hint;
        }
     }
-    return $^H & $seen_hint ? 1 : 0;
+    return $^H{assertions} & $seen_hint ? 1 : 0;
 }
 
 1;
@@ -184,6 +184,10 @@ assertions - select assertions in blocks of code
 
 =head1 DESCRIPTION
 
+  *** WARNING: assertion support is only available from perl version
+  *** 5.9.0 and upwards. Check assertions::compat (also available from
+  *** this package) for an alternative backwards compatible module.
+
 The C<assertions> pragma specifies the tags used to enable and disable
 the execution of assertion subroutines.