X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hv.h;h=390649605ac4a1e02ba910fa19ba1593af727827;hb=1ff5bc37303d3f603211be08e5e01dac62fcfa6c;hp=e75d75fd18a88cc384f20219af2682d1884d5032;hpb=b2685f0c86badfc357584d8dbfb2bf17057ea226;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/hv.h b/hv.h
index e75d75f..3906496 100644
--- a/hv.h
+++ b/hv.h
@@ -50,10 +50,12 @@ struct mro_alg {
 };
 
 struct mro_meta {
-    /* repurposed as a hash holding the different MROs private data. */
-    AV      *mro_linear_dfs; /* cached dfs @ISA linearization */
-    /* repurposed as a pointer directly to the current MROs private data.  */
-    AV      *mro_linear_c3;  /* cached c3 @ISA linearization */
+    /* a hash holding the different MROs private data.  */
+    HV      *mro_linear_all;
+    /* a pointer directly to the current MROs private data.  If mro_linear_all
+       is NULL, this owns the SV reference, else it is just a pointer to a
+       value stored in and owned by mro_linear_all.  */
+    SV      *mro_linear_current;
     HV      *mro_nextmethod; /* next::method caching */
     U32     cache_gen;       /* Bumping this invalidates our method cache */
     U32     pkg_gen;         /* Bumps when local methods/@ISA change */
@@ -63,7 +65,7 @@ struct mro_meta {
 
 #define MRO_GET_PRIVATE_DATA(smeta, which)		   \
     (((smeta)->mro_which && (which) == (smeta)->mro_which) \
-     ? MUTABLE_SV((smeta)->mro_linear_c3)		   \
+     ? (smeta)->mro_linear_current			   \
      : Perl_mro_get_private_data(aTHX_ (smeta), (which)))
 
 /* Subject to change.
@@ -78,31 +80,17 @@ struct xpvhv_aux {
     struct mro_meta *xhv_mro_meta;
 };
 
-#define _XPVHV_ALLOCATED_HEAD						    \
-    STRLEN	xhv_fill;	/* how full xhv_array currently is */	    \
-    STRLEN	xhv_max		/* subscript of last element of xhv_array */
-
-#define _XPVHV_HEAD	\
-    union _xnvu xnv_u;	\
-    _XPVHV_ALLOCATED_HEAD
-
 /* hash structure: */
 /* This structure must match the beginning of struct xpvmg in sv.h. */
 struct xpvhv {
-    _XPVHV_HEAD;
+    union _xnvu xnv_u;
+    STRLEN      xhv_fill;       /* how full xhv_array currently is */
+    STRLEN      xhv_max;        /* subscript of last element of xhv_array */
     _XPVMG_HEAD;
 };
 
 #define xhv_keys xiv_u.xivu_iv
 
-typedef struct {
-    _XPVHV_ALLOCATED_HEAD;
-    _XPVMG_HEAD;
-} xpvhv_allocated;
-
-#undef _XPVHV_ALLOCATED_HEAD
-#undef _XPVHV_HEAD
-
 /* hash a key */
 /* FYI: This is the "One-at-a-Time" algorithm by Bob Jenkins
  * from requirements by Colin Plumb.
@@ -365,6 +353,9 @@ C<SV*>.
 #define HVhek_FREEKEY	0x100 /* Internal flag to say key is malloc()ed.  */
 #define HVhek_PLACEHOLD	0x200 /* Internal flag to create placeholder.
                                * (may change, but Storable is a core module) */
+#define HVhek_KEYCANONICAL 0x400 /* Internal flag - key is in canonical form.
+				    If the string is UTF-8, it cannot be
+				    converted to bytes. */
 #define HVhek_MASK	0xFF
 
 /* Which flags enable HvHASKFLAGS? Somewhat a hack on a hack, as