/* av.h
*
* Copyright (C) 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2005, 2006, 2007, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
struct xpvav {
- IV this_space;
- SSize_t xav_fill; /* Index of last element present */
- SSize_t xav_max; /* max index for which array has space */
union {
- NV xnvu_nv;
+ NV xnv_nv; /* numeric value, if any */
+ HV * xgv_stash;
+ struct {
+ U32 xlow;
+ U32 xhigh;
+ } xpad_cop_seq; /* used by pad.c for cop_sequence */
struct {
- void *xnv_p1; /* pointer to beginning of C array of SVs */
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
+ U32 xbm_previous; /* how many characters in string before rare? */
+ U8 xbm_flags;
+ U8 xbm_rare; /* rarest character in string */
+ } xbm_s; /* fields from PVBM */
} xnv_u;
- MAGIC* xmg_magic; /* magic for scalar array */
+ SSize_t xav_fill; /* Index of last element present */
+ SSize_t xav_max; /* max index for which array has space */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ I32 xivu_i32;
+ HEK * xivu_namehek;
+ } xiv_u;
+ union {
+ MAGIC* xmg_magic; /* linked list of magicalness */
+ HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */
+ } xmg_u;
HV* xmg_stash; /* class package */
};
-#if 0
-typedef struct xpvav xpvav_allocated;
-#else
typedef struct {
SSize_t xav_fill; /* Index of last element present */
SSize_t xav_max; /* max index for which array has space */
union {
- NV xnvu_nv;
- struct {
- void *xnv_p1; /* pointer to beginning of C array of SVs */
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- } xnv_u;
- MAGIC* xmg_magic; /* magic for scalar array */
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ I32 xivu_i32;
+ HEK * xivu_namehek;
+ } xiv_u;
+ union {
+ MAGIC* xmg_magic; /* linked list of magicalness */
+ HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */
+ } xmg_u;
HV* xmg_stash; /* class package */
} xpvav_allocated;
-#endif
/* SV** xav_alloc; */
-#define xav_alloc xnv_u.xnv_s.xnv_p1
+#define xav_alloc xiv_u.xivu_p1
/* SV* xav_arylen; */
-#define xav_arylen xnv_u.xnv_s.xnv_u2.xnv_p2
-/* AVf_REAL is set for all AVs whose xav_array contents are refcounted.
+/* SVpav_REAL is set for all AVs whose xav_array contents are refcounted.
* Some things like "@_" and the scratchpad list do not set this, to
* indicate that they are cheating (for efficiency) by not refcounting
* the AV's contents.
*
- * AVf_REIFY is only meaningful on such "fake" AVs (i.e. where AVf_REAL
+ * SVpav_REIFY is only meaningful on such "fake" AVs (i.e. where SVpav_REAL
* is not set). It indicates that the fake AV is capable of becoming
* real if the array needs to be modified in some way. Functions that
* modify fake AVs check both flags to call av_reify() as appropriate.
#define Nullav Null(AV*)
-#define AvARRAY(av) ((av)->sv_u.sv_array)
+#define AvARRAY(av) ((av)->sv_u.svu_array)
#define AvALLOC(av) (*((SV***)&((XPVAV*) SvANY(av))->xav_alloc))
#define AvMAX(av) ((XPVAV*) SvANY(av))->xav_max
#define AvFILLp(av) ((XPVAV*) SvANY(av))->xav_fill
-#define AvARYLEN(av) (*((SV**)&((XPVAV*) SvANY(av))->xav_arylen))
+#define AvARYLEN(av) (*Perl_av_arylen_p(aTHX_ (AV*)av))
#define AvREAL(av) (SvFLAGS(av) & SVpav_REAL)
#define AvREAL_on(av) (SvFLAGS(av) |= SVpav_REAL)
#define NEGATIVE_INDICES_VAR "NEGATIVE_INDICES"
/*
+=for apidoc newAV
+
+Creates a new AV. The reference count is set to 1.
+
+=cut
+*/
+
+#define newAV() ((AV *)newSV_type(SVt_PVAV))
+
+/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4