From: Vincent Pit <vince@profvince.com>
Date: Wed, 26 Oct 2011 21:33:18 +0000 (+0200)
Subject: 'store' and 'delete' uvar magics don't need the uvar/clear hack
X-Git-Tag: v0.47~2
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FVariable-Magic.git;a=commitdiff_plain;h=12570a1f39c0588d6ae68281b45ef1b7e6083958

'store' and 'delete' uvar magics don't need the uvar/clear hack
---

diff --git a/Magic.xs b/Magic.xs
index ca90b7f..5dc98a6 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -1305,7 +1305,7 @@ STATIC I32 vmg_svt_val(pTHX_ IV action, SV *sv) {
   }
  }
 
- if (SvRMAGICAL(sv) && !tied) {
+ if (SvRMAGICAL(sv) && !tied && !(action & (HV_FETCH_ISSTORE|HV_DELETE))) {
   /* Temporarily hide the RMAGICAL flag of the hash so it isn't wrongly
    * mistaken for a tied hash by the rest of hv_common. It will be reset by
    * the op_ppaddr of a new fake op injected between the current and the next
diff --git a/t/32-hash.t b/t/32-hash.t
index 5cc5e1f..8ae273e 100644
--- a/t/32-hash.t
+++ b/t/32-hash.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => (2 * 22 + 7) + (2 * 5 + 5) + 1;
+use Test::More tests => (2 * 24 + 7) + (2 * 5 + 5) + 1;
 
 use Variable::Magic qw<cast dispell VMG_UVAR>;
 
@@ -23,11 +23,6 @@ my $s = watch { $h{foo} } +{ (fetch => 1) x VMG_UVAR },
                        'assign element to';
 is $s, $n{foo}, 'hash: assign element to correctly';
 
-for (1 .. 2) {
- $s = watch { exists $h{foo} } +{ (exists => 1) x VMG_UVAR }, "exists ($_)";
- ok $s, "hash: exists correctly ($_)";
-}
-
 my %b;
 watch { %b = %h } { }, 'assign to';
 is_deeply \%b, \%n, 'hash: assign to correctly';
@@ -38,8 +33,22 @@ my @b = watch { @h{qw<bar qux>} }
                   +{ (fetch => 2) x VMG_UVAR }, 'slice';
 is_deeply \@b, [ @n{qw<bar qux>} ], 'hash: slice correctly';
 
+# exists
+
+watch { exists $h{bar} } +{ (exists => 1) x VMG_UVAR },'exists in void context';
+
+for (1 .. 2) {
+ $s = watch { exists $h{bar} } +{ (exists => 1) x VMG_UVAR },
+                                                "exists in scalar context ($_)";
+ ok $s, "hash: exists correctly ($_)";
+}
+
 watch { %h = () } { clear => 1 }, 'empty in list context';
 
+watch { $h{a} = -1; %h = (b => $h{a}) }
+           +{ (fetch => 1, store => 2, copy => 2) x VMG_UVAR, clear => 1 },
+           'empty and set in void context';
+
 watch { %h = (a => 1, d => 3) }
                +{ (store => 2, copy => 2) x VMG_UVAR, clear => 1 },
                'assign from list in void context';