024 fails, but successfully loads and uses the XS versions of Scalar::Util functions

[gitmo/Mouse.git] / lib / Mouse.pm

diff --git a/lib/Mouse.pm b/lib/Mouse.pm
index f4cdfe0..708b0a5 100644 (file)
--- a/lib/Mouse.pm
+++ b/lib/Mouse.pm
@@ -1,11 +1,34 @@
-#!/usr/bin/env perl
+
 package Mouse;
 use strict;
 use warnings;
+use 5.006;
 use base 'Exporter';
 
-our $VERSION = '0.12';
-use 5.006;
+our $VERSION;
+our $PurePerl;
+
+BEGIN {
+    $VERSION  = '0.12';
+
+    if ($ENV{MOUSE_DEBUG}) {
+        *DEBUG = sub (){ 1 };
+    } else {
+        *DEBUG = sub (){ 0 };
+    }
+
+    if (! defined $PurePerl && $ENV{MOUSE_PUREPERL} && $ENV{MOUSE_PUREPERL} =~ /^(.+)$/) {
+        $PurePerl = $1;
+    }
+
+    if (! $PurePerl) {
+        local $@;
+        local $^W = 0;
+        require XSLoader;
+        $PurePerl = ! eval{ XSLoader::load(__PACKAGE__, $VERSION); 1 };
+        warn "Failed to load XS mode: $@" if $@; #  && Mouse::DEBUG();
+    }
+}
 
 use Carp 'confess';
 use Mouse::Util 'blessed';
@@ -91,7 +114,7 @@ sub import {
     no warnings 'redefine';
     *{$caller.'::meta'} = sub { $meta };
 
-    Mouse->export_to_level(1, @_);
+    __PACKAGE__->export_to_level( 1, @_);
 }
 
 sub unimport {