Document that the pragma doesn't propagate into eval STRING

[perl/modules/subs-auto.git] / lib / subs / auto.pm

diff --git a/lib/subs/auto.pm b/lib/subs/auto.pm
index 3cc549d6dfb05107c06a33da74d0678baf259078..465d2d8dca084e97e03228bceb21ca8b002a53a2 100644 (file)
--- a/lib/subs/auto.pm
+++ b/lib/subs/auto.pm
@@ -5,12 +5,6 @@ use 5.010;
 use strict;
 use warnings;
 
-use B::Keywords;
-
-use Symbol qw/gensym/;
-
-use Variable::Magic qw/wizard cast dispell getdata/;
-
 =head1 NAME
 
 subs::auto - Read barewords as subroutine names.
@@ -21,7 +15,10 @@ Version 0.05
 
 =cut
 
-our $VERSION = '0.05';
+our $VERSION;
+BEGIN {
+ $VERSION = '0.05';
+}
 
 =head1 SYNOPSIS
 
@@ -62,11 +59,19 @@ This module is B<not> a source filter.
 
 =cut
 
+use B;
+
+use B::Keywords;
+
+use Variable::Magic qw/wizard cast dispell getdata/;
+
 BEGIN {
  unless (Variable::Magic::VMG_UVAR) {
   require Carp;
   Carp::croak('uvar magic not available');
  }
+ require XSLoader;
+ XSLoader::load(__PACKAGE__, $VERSION);
 }
 
 my %core;
@@ -84,9 +89,8 @@ BEGIN {
 my $tag = wizard data => sub { \(my $data = _REFCNT_PLACEHOLDERS ? 2 : 1) };
 
 sub _reset {
- my ($pkg, $func) = @_;
-
  my $fqn = join '::', @_;
+
  my $cb = do {
   no strict 'refs';
   no warnings 'once';
@@ -97,14 +101,7 @@ sub _reset {
   $$data--;
   return if $$data > 0;
 
-  no strict 'refs';
-  my $sym = gensym;
-  for (qw/SCALAR ARRAY HASH IO FORMAT/) {
-   no warnings 'once';
-   *$sym = *$fqn{$_} if defined *$fqn{$_}
-  }
-  undef *$fqn;
-  *$fqn = *$sym;
+  _delete_sub($fqn);
  }
 }
 
@@ -232,16 +229,18 @@ C<*{'::foo'}{CODE}> will appear as defined in a scope where the pragma is enable
 
 You have to open global filehandles outside of the scope of this pragma if you want them not to be treated as function calls. Or just use lexical filehandles and default ones as you should be.
 
+This pragma doesn't propagate into C<eval STRING>.
+
 =head1 DEPENDENCIES
 
 L<perl> 5.10.0.
 
-L<Carp> (standard since perl 5), L<Symbol> (since 5.002).
-
 L<Variable::Magic> with C<uvar> magic enabled (this should be assured by the required perl version).
 
 L<B::Keywords>.
 
+L<Carp> (standard since perl 5), L<XSLoader> (since 5.006).
+
 =head1 AUTHOR
 
 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.