Add missing files from Unicode 5.1 Character Database

[perl5.git] / hv.h

diff --git a/hv.h b/hv.h
index b5d0bda..3906496 100644 (file)
--- a/hv.h
+++ b/hv.h
@@ -41,13 +41,21 @@ struct shared_he {
    Use the funcs in mro.c
 */
 
-
-/* structure may change, so not public yet */
-struct mro_alg;
+struct mro_alg {
+    AV *(*resolve)(pTHX_ HV* stash, U32 level);
+    const char *name;
+    U16 length;
+    U16        kflags; /* For the hash API - set HVhek_UTF8 if name is UTF-8 */
+    U32 hash; /* or 0 */
+};
 
 struct mro_meta {
-    AV      *mro_linear_dfs; /* cached dfs @ISA linearization */
-    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 */
@@ -55,6 +63,11 @@ struct mro_meta {
     HV      *isa;            /* Everything this class @ISA */
 };
 
+#define MRO_GET_PRIVATE_DATA(smeta, which)                \
+    (((smeta)->mro_which && (which) == (smeta)->mro_which) \
+     ? (smeta)->mro_linear_current                        \
+     : Perl_mro_get_private_data(aTHX_ (smeta), (which)))
+
 /* Subject to change.
    Don't access this directly.
 */
@@ -67,31 +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.
@@ -242,10 +241,10 @@ C<SV*>.
 /* This quite intentionally does no flag checking first. That's your
    responsibility.  */
 #define HvAUX(hv)      ((struct xpvhv_aux*)&(HvARRAY(hv)[HvMAX(hv)+1]))
-#define HvRITER(hv)    (*Perl_hv_riter_p(aTHX_ (HV*)(hv)))
-#define HvEITER(hv)    (*Perl_hv_eiter_p(aTHX_ (HV*)(hv)))
-#define HvRITER_set(hv,r)      Perl_hv_riter_set(aTHX_ (HV*)(hv), r)
-#define HvEITER_set(hv,e)      Perl_hv_eiter_set(aTHX_ (HV*)(hv), e)
+#define HvRITER(hv)    (*Perl_hv_riter_p(aTHX_ MUTABLE_HV(hv)))
+#define HvEITER(hv)    (*Perl_hv_eiter_p(aTHX_ MUTABLE_HV(hv)))
+#define HvRITER_set(hv,r)      Perl_hv_riter_set(aTHX_ MUTABLE_HV(hv), r)
+#define HvEITER_set(hv,e)      Perl_hv_eiter_set(aTHX_ MUTABLE_HV(hv), e)
 #define HvRITER_get(hv)        (SvOOK(hv) ? HvAUX(hv)->xhv_riter : -1)
 #define HvEITER_get(hv)        (SvOOK(hv) ? HvAUX(hv)->xhv_eiter : NULL)
 #define HvNAME(hv)     HvNAME_get(hv)
@@ -254,7 +253,7 @@ C<SV*>.
    caller's responsibility */
 #define HvMROMETA(hv) (HvAUX(hv)->xhv_mro_meta \
                        ? HvAUX(hv)->xhv_mro_meta \
-                       : mro_meta_init(hv))
+                       : Perl_mro_meta_init(aTHX_ hv))
 
 /* FIXME - all of these should use a UTF8 aware API, which should also involve
    getting the length. */
@@ -276,9 +275,9 @@ C<SV*>.
 #define HvKEYS(hv)             HvUSEDKEYS(hv)
 #define HvUSEDKEYS(hv)         (HvTOTALKEYS(hv) - HvPLACEHOLDERS_get(hv))
 #define HvTOTALKEYS(hv)                XHvTOTALKEYS((XPVHV*)  SvANY(hv))
-#define HvPLACEHOLDERS(hv)     (*Perl_hv_placeholders_p(aTHX_ (HV*)hv))
-#define HvPLACEHOLDERS_get(hv) (SvMAGIC(hv) ? Perl_hv_placeholders_get(aTHX_ (HV*)hv) : 0)
-#define HvPLACEHOLDERS_set(hv,p)       Perl_hv_placeholders_set(aTHX_ (HV*)hv, p)
+#define HvPLACEHOLDERS(hv)     (*Perl_hv_placeholders_p(aTHX_ MUTABLE_HV(hv)))
+#define HvPLACEHOLDERS_get(hv) (SvMAGIC(hv) ? Perl_hv_placeholders_get(aTHX_ (const HV *)hv) : 0)
+#define HvPLACEHOLDERS_set(hv,p)       Perl_hv_placeholders_set(aTHX_ MUTABLE_HV(hv), p)
 
 #define HvSHAREKEYS(hv)                (SvFLAGS(hv) & SVphv_SHAREKEYS)
 #define HvSHAREKEYS_on(hv)     (SvFLAGS(hv) |= SVphv_SHAREKEYS)
@@ -354,6 +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
@@ -531,7 +533,7 @@ Creates a new HV.  The reference count is set to 1.
 =cut
 */
 
-#define newHV()        ((HV*)newSV_type(SVt_PVHV))
+#define newHV()        MUTABLE_HV(newSV_type(SVt_PVHV))
 
 /*
  * Local variables: