X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=gv.h;h=54722b7c7575c1266c73e7011d22279c0acdb70e;hb=c33ef3ac654cbe35caea1d36f34c68f0e4a134ba;hp=2463335766912b654337344060cea95e1fdeac79;hpb=85ffbbb0b9ce8124eef68c3c6234c26ffa9aba18;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/gv.h b/gv.h
index 2463335..54722b7 100644
--- a/gv.h
+++ b/gv.h
@@ -1,7 +1,7 @@
 /*    gv.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ *    2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
@@ -10,14 +10,14 @@
 
 struct gp {
     SV *	gp_sv;		/* scalar value */
-    U32		gp_refcnt;	/* how many globs point to this? */
     struct io *	gp_io;		/* filehandle value */
-    CV *	gp_form;	/* format value */
-    AV *	gp_av;		/* array value */
-    HV *	gp_hv;		/* hash value */
-    GV *	gp_egv;		/* effective gv, if *glob */
     CV *	gp_cv;		/* subroutine value */
     U32		gp_cvgen;	/* generational validity of cached gv_cv */
+    U32		gp_refcnt;	/* how many globs point to this? */
+    HV *	gp_hv;		/* hash value */
+    AV *	gp_av;		/* array value */
+    CV *	gp_form;	/* format value */
+    GV *	gp_egv;		/* effective gv, if *glob */
     line_t	gp_line;	/* line first declared at (for -w) */
     HEK *	gp_file_hek;	/* file first declared in (for -w) */
 };
@@ -27,29 +27,29 @@ struct gp {
 
 #if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__INTEL_COMPILER)
 #  define GvGP(gv)							\
-	(*({GV *const shplep = (GV *) (gv);				\
-	    assert(SvTYPE(shplep) == SVt_PVGV || SvTYPE(shplep) == SVt_PVLV); \
-	    assert(isGV_with_GP(shplep));				\
-	    &((shplep)->sv_u.svu_gp);}))
+	(*({GV *const _gvgp = (GV *) (gv);				\
+	    assert(SvTYPE(_gvgp) == SVt_PVGV || SvTYPE(_gvgp) == SVt_PVLV); \
+	    assert(isGV_with_GP(_gvgp));				\
+	    &((_gvgp)->sv_u.svu_gp);}))
 #  define GvFLAGS(gv)							\
-	(*({GV *const yaah  = (GV *) (gv);				\
-	    assert(SvTYPE(yaah) == SVt_PVGV || SvTYPE(yaah) == SVt_PVLV); \
-	    assert(isGV_with_GP(yaah));					\
-	    &(GvXPVGV(yaah)->xpv_cur);}))
+	(*({GV *const _gvflags = (GV *) (gv);				\
+	    assert(SvTYPE(_gvflags) == SVt_PVGV || SvTYPE(_gvflags) == SVt_PVLV); \
+	    assert(isGV_with_GP(_gvflags));				\
+	    &(GvXPVGV(_gvflags)->xpv_cur);}))
 #  define GvSTASH(gv)							\
-	(*({ GV * const _gv = (GV *) (gv);				\
-	    assert(isGV_with_GP(_gv));					\
-	    assert(SvTYPE(_gv) == SVt_PVGV || SvTYPE(_gv) >= SVt_PVLV);	\
-	    &(GvXPVGV(_gv)->xnv_u.xgv_stash);				\
+	(*({ GV * const _gvstash = (GV *) (gv);				\
+	    assert(isGV_with_GP(_gvstash));				\
+	    assert(SvTYPE(_gvstash) == SVt_PVGV || SvTYPE(_gvstash) >= SVt_PVLV); \
+	    &(GvXPVGV(_gvstash)->xnv_u.xgv_stash);			\
 	 }))
 #  define GvNAME_HEK(gv)						\
-	(*({ GV * const zzzz = (GV *) (gv);				\
-	   assert(isGV_with_GP(zzzz));					\
-	   assert(SvTYPE(zzzz) == SVt_PVGV || SvTYPE(zzzz) >= SVt_PVLV); \
-	   assert(!SvVALID(zzzz));					\
-	   &(GvXPVGV(zzzz)->xiv_u.xivu_namehek);			\
+    (*({ GV * const _gvname_hek = (GV *) (gv);				\
+	   assert(isGV_with_GP(_gvname_hek));				\
+	   assert(SvTYPE(_gvname_hek) == SVt_PVGV || SvTYPE(_gvname_hek) >= SVt_PVLV); \
+	   assert(!SvVALID(_gvname_hek));				\
+	   &(GvXPVGV(_gvname_hek)->xiv_u.xivu_namehek);			\
 	 }))
-#  define GvNAME_get(gv)	({ assert(GvNAME_HEK(gv)); HEK_KEY(GvNAME_HEK(gv)); })
+#  define GvNAME_get(gv)	({ assert(GvNAME_HEK(gv)); (char *)HEK_KEY(GvNAME_HEK(gv)); })
 #  define GvNAMELEN_get(gv)	({ assert(GvNAME_HEK(gv)); HEK_LEN(GvNAME_HEK(gv)); })
 #else
 #  define GvGP(gv)	((gv)->sv_u.svu_gp)
@@ -88,16 +88,13 @@ Return the SV from the GV.
 #endif
 
 #define GvREFCNT(gv)	(GvGP(gv)->gp_refcnt)
-#define GvIO(gv)	((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : 0)
+#define GvIO(gv)	((gv) && SvTYPE((const SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : NULL)
 #define GvIOp(gv)	(GvGP(gv)->gp_io)
 #define GvIOn(gv)	(GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv)))
 
 #define GvFORM(gv)	(GvGP(gv)->gp_form)
 #define GvAV(gv)	(GvGP(gv)->gp_av)
 
-/* This macro is deprecated.  Do not use! */
-#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv))	/* DO NOT USE */
-
 #define GvAVn(gv)	(GvGP(gv)->gp_av ? \
 			 GvGP(gv)->gp_av : \
 			 GvGP(gv_AVadd(gv))->gp_av)
@@ -113,10 +110,11 @@ Return the SV from the GV.
 
 #define GvLINE(gv)	(GvGP(gv)->gp_line)
 #define GvFILE_HEK(gv)	(GvGP(gv)->gp_file_hek)
-#define GvFILE(gv)	HEK_KEY(GvFILE_HEK(gv))
+#define GvFILE(gv)	(GvFILE_HEK(gv) ? HEK_KEY(GvFILE_HEK(gv)) : NULL)
 #define GvFILEGV(gv)	(gv_fetchfile(GvFILE(gv)))
 
 #define GvEGV(gv)	(GvGP(gv)->gp_egv)
+#define GvEGVx(gv)	(isGV_with_GP(gv) ? GvEGV(gv) : NULL)
 #define GvENAME(gv)	GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
 #define GvESTASH(gv)	GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv)
 
@@ -166,25 +164,18 @@ Return the SV from the GV.
 #define GvIN_PAD_on(gv)		(GvFLAGS(gv) |= GVf_IN_PAD)
 #define GvIN_PAD_off(gv)	(GvFLAGS(gv) &= ~GVf_IN_PAD)
 
-#define GvUNIQUE(gv)            0
-#define GvUNIQUE_on(gv)         NOOP
-#define GvUNIQUE_off(gv)        NOOP
-
-#ifdef USE_ITHREADS
-#define GV_UNIQUE_CHECK
-#else
-#undef  GV_UNIQUE_CHECK
+#ifndef PERL_CORE
+#  define Nullgv Null(GV*)
 #endif
 
-#define Nullgv Null(GV*)
-
-#define DM_UID   0x003
-#define DM_RUID   0x001
-#define DM_EUID   0x002
-#define DM_GID   0x030
-#define DM_RGID   0x010
-#define DM_EGID   0x020
-#define DM_DELAY 0x100
+#define DM_RUID      0x001
+#define DM_EUID      0x002
+#define DM_UID       (DM_RUID|DM_EUID)
+#define DM_ARRAY_ISA 0x004
+#define DM_RGID      0x010
+#define DM_EGID      0x020
+#define DM_GID       (DM_RGID|DM_EGID)
+#define DM_DELAY     0x100
 
 /*
  * symbol creation flags, for use in gv_fetchpv() and get_*v()
@@ -203,14 +194,25 @@ Return the SV from the GV.
 #define GV_NOEXPAND	0x40	/* Don't expand SvOK() entries to PVGV */
 #define GV_NOTQUAL	0x80	/* A plain symbol name, not qualified with a
 				   package (so skip checks for :: and ')  */
+#define GV_AUTOLOAD	0x100	/* gv_fetchmethod_flags() should AUTOLOAD  */
+#define GV_CROAK	0x200	/* gv_fetchmethod_flags() should croak  */
 
 /*      SVf_UTF8 (more accurately the return value from SvUTF8) is also valid
 	as a flag to gv_fetch_pvn_flags, so ensure it lies outside this range.
 */
+
+#define GV_NOADD_MASK	(SVf_UTF8|GV_NOADD_NOINIT|GV_NOEXPAND|GV_NOTQUAL)
+/* The bit flags that don't cause gv_fetchpv() to add a symbol if not found */
+
 #define gv_fullname3(sv,gv,prefix) gv_fullname4(sv,gv,prefix,TRUE)
 #define gv_efullname3(sv,gv,prefix) gv_efullname4(sv,gv,prefix,TRUE)
 #define gv_fetchmethod(stash, name) gv_fetchmethod_autoload(stash, name, TRUE)
 
+#define gv_AVadd(gv) gv_add_by_type((gv), SVt_PVAV)
+#define gv_HVadd(gv) gv_add_by_type((gv), SVt_PVHV)
+#define gv_IOadd(gv) gv_add_by_type((gv), SVt_PVIO)
+#define gv_SVadd(gv) gv_add_by_type((gv), SVt_NULL)
+
 /*
  * Local variables:
  * c-indentation-style: bsd