From: Anno Siegel <anno4000@lublin.zrz.tu-berlin.de>
Date: Mon, 26 Jun 2006 18:05:53 +0000 (+0200)
Subject: Re: [PATCH] Hash::Util::FieldHash
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=a607227a3e6385121d3bf032568fb6b9c2dd6e68;p=p5sagit%2Fp5-mst-13.2.git

Re: [PATCH] Hash::Util::FieldHash
Message-Id: <133195AB-599D-49EC-8CFE-D67299D947EB@mailbox.tu-berlin.de>

p4raw-id: //depot/perl@28431
---

diff --git a/ext/Hash/Util/FieldHash/Changes b/ext/Hash/Util/FieldHash/Changes
index 071dcaa..841bce8 100644
--- a/ext/Hash/Util/FieldHash/Changes
+++ b/ext/Hash/Util/FieldHash/Changes
@@ -3,4 +3,5 @@ Revision history for Perl extension Hash::Util::FieldHash.
 0.01  Sat Jun  3 16:24:12 2006
 	- original version; created by h2xs 1.23 with options
 		-A -g --skip-ppport -nHash::Util::FieldHash
-
+      Fri Jun 23 22:31:59 CEST 2006
+        - accepted as v5.9.4 DEVEL28420
diff --git a/ext/Hash/Util/FieldHash/FieldHash.xs b/ext/Hash/Util/FieldHash/FieldHash.xs
index 5009e3c..14e60f1 100644
--- a/ext/Hash/Util/FieldHash/FieldHash.xs
+++ b/ext/Hash/Util/FieldHash/FieldHash.xs
@@ -69,7 +69,6 @@ void HUF_add_uvar_magic(
     I32 index,                 /* get/set will see this */
     SV* thing                  /* any associated info */
 ) {
-    MAGIC* mg;
     struct ufuncs uf;
         uf.uf_val = val;
         uf.uf_set = set;
@@ -155,6 +154,13 @@ void HUF_mark_field(SV* trigger, SV* field) {
     hv_store_ent(field_tab, field_id, field_ref, 0);
 }
 
+#define HV_FETCH_ISSTORE   0x01
+#define HV_FETCH_ISEXISTS  0x02
+#define HV_FETCH_LVALUE    0x04
+#define HV_FETCH_JUST_SV   0x08
+
+#define HUF_WOULD_CREATE_KEY(x) ((x) != -1 && ((x) & (HV_FETCH_ISSTORE | HV_FETCH_LVALUE)))
+
 /* The key exchange function.  It communicates with S_hv_magic_uvar_xkey
  * in hv.c */
 I32 HUF_watch_key(pTHX_ IV action, SV* field) {
@@ -162,9 +168,11 @@ I32 HUF_watch_key(pTHX_ IV action, SV* field) {
     SV* keysv = mg->mg_obj;
     if (keysv && SvROK(keysv)) {
         SV* ob_id = HUF_obj_id(keysv);
-        SV* trigger = HUF_get_trigger(keysv, ob_id);
-        HUF_mark_field(trigger, field);
         mg->mg_obj = ob_id; /* key replacement */
+        if (HUF_WOULD_CREATE_KEY(action)) {
+            SV* trigger = HUF_get_trigger(keysv, ob_id);
+            HUF_mark_field(trigger, field);
+        }
     }
     return 0;
 }
diff --git a/ext/Hash/Util/FieldHash/Makefile.PL b/ext/Hash/Util/FieldHash/Makefile.PL
index 09b8ecc..1803f24 100644
--- a/ext/Hash/Util/FieldHash/Makefile.PL
+++ b/ext/Hash/Util/FieldHash/Makefile.PL
@@ -6,15 +6,17 @@ WriteMakefile(
     NAME              => 'Hash::Util::FieldHash',
     VERSION_FROM      => 'lib/Hash/Util/FieldHash.pm', # finds $VERSION
     PREREQ_PM         => {}, # e.g., Module::Name => 1.1
-    (grep( /^PERL_CORE=1$/, @ARGV) ?  (MAN3PODS => {}) : ()),
     ($] >= 5.005 ?     ## Add these new keywords supported since 5.005
       (ABSTRACT_FROM  => 'lib/Hash/Util/FieldHash.pm', # retrieve abstract from module
-       AUTHOR         => 'Anno Siegel <anno@zrz.tu-berlin.de>') : ()),
+       AUTHOR         => 'Anno Siegel <anno4000@zrz.tu-berlin.de>') : ()),
     LIBS              => [''], # e.g., '-lm'
     DEFINE            => '', # e.g., '-DHAVE_SOMETHING'
-	# Insert -I. if you add *.h files later:
+    # Insert -I. if you add *.h files later:
     INC               => '', # e.g., '-I/usr/include/other'
-	# Un-comment this if you add C files to link with later:
+    # Un-comment this if you add C files to link with later:
     # OBJECT            => '$(O_FILES)', # link all the C files too
-    # CCFLAGS             => '-Wuninitialized',
+    # Don't manify in core build
+    (grep( /^PERL_CORE=1$/, @ARGV) ?
+        (MAN3PODS => {}) :
+        ()),
 );