X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=gv.h;h=428ab770b1c1671d3053926fed48382e1a15ffe1;hb=c525946d6533f3d951b57391ea1d735971287550;hp=c713f4e178804ba5314f4b8d9f2e31b0cd3af161;hpb=8ebc5c0145d2e3559bce3073437e6d027dcdffcc;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/gv.h b/gv.h
index c713f4e..428ab77 100644
--- a/gv.h
+++ b/gv.h
@@ -1,6 +1,6 @@
 /*    gv.h
  *
- *    Copyright (c) 1991-1994, Larry Wall
+ *    Copyright (c) 1991-2001, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -13,13 +13,13 @@ struct gp {
     struct io *	gp_io;		/* filehandle value */
     CV *	gp_form;	/* format value */
     AV *	gp_av;		/* array value */
-    HV *	gp_hv;		/* associative 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 */
-    I32		gp_lastexpr;	/* used by nothing_in_common() */
+    U32		gp_flags;	/* XXX unused */
     line_t	gp_line;	/* line first declared at (for -w) */
-    GV *	gp_filegv;	/* file first declared in (for -w) */
+    char *	gp_file;	/* file first declared in (for -w) */
 };
 
 #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286))
@@ -34,6 +34,14 @@ struct gp {
 #define GvSTASH(gv)	(GvXPVGV(gv)->xgv_stash)
 #define GvFLAGS(gv)	(GvXPVGV(gv)->xgv_flags)
 
+/*
+=for apidoc Am|SV*|GvSV|GV* gv
+
+Return the SV from the GV.
+
+=cut
+*/
+
 #define GvSV(gv)	(GvGP(gv)->gp_sv)
 #define GvREFCNT(gv)	(GvGP(gv)->gp_refcnt)
 #define GvIO(gv)	((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0)
@@ -42,7 +50,9 @@ struct gp {
 
 #define GvFORM(gv)	(GvGP(gv)->gp_form)
 #define GvAV(gv)	(GvGP(gv)->gp_av)
-#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv))
+
+/* This macro is deprecated.  Do not use! */
+#define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv))	/* DO NOT USE */
 
 #ifdef	MICROPORT	/* Microport 2.4 hack */
 AV *GvAVn();
@@ -65,10 +75,11 @@ HV *GvHVn();
 #define GvCVGEN(gv)	(GvGP(gv)->gp_cvgen)
 #define GvCVu(gv)	(GvGP(gv)->gp_cvgen ? Nullcv : GvGP(gv)->gp_cv)
 
-#define GvLASTEXPR(gv)	(GvGP(gv)->gp_lastexpr)
+#define GvGPFLAGS(gv)	(GvGP(gv)->gp_flags)
 
 #define GvLINE(gv)	(GvGP(gv)->gp_line)
-#define GvFILEGV(gv)	(GvGP(gv)->gp_filegv)
+#define GvFILE(gv)	(GvGP(gv)->gp_file)
+#define GvFILEGV(gv)	(gv_fetchfile(GvFILE(gv)))
 
 #define GvEGV(gv)	(GvGP(gv)->gp_egv)
 #define GvENAME(gv)	GvNAME(GvEGV(gv) ? GvEGV(gv) : gv)
@@ -77,6 +88,7 @@ HV *GvHVn();
 #define GVf_INTRO	0x01
 #define GVf_MULTI	0x02
 #define GVf_ASSUMECV	0x04
+#define GVf_IN_PAD	0x08
 #define GVf_IMPORTED	0xF0
 #define GVf_IMPORTED_SV	  0x10
 #define GVf_IMPORTED_AV	  0x20
@@ -115,6 +127,23 @@ HV *GvHVn();
 #define GvIMPORTED_CV_on(gv)	(GvFLAGS(gv) |= GVf_IMPORTED_CV)
 #define GvIMPORTED_CV_off(gv)	(GvFLAGS(gv) &= ~GVf_IMPORTED_CV)
 
+#define GvIN_PAD(gv)		(GvFLAGS(gv) & GVf_IN_PAD)
+#define GvIN_PAD_on(gv)		(GvFLAGS(gv) |= GVf_IN_PAD)
+#define GvIN_PAD_off(gv)	(GvFLAGS(gv) &= ~GVf_IN_PAD)
+
+/* XXX: all GvFLAGS options are used, borrowing GvGPFLAGS for the moment */
+
+#define GVf_UNIQUE           0x0001
+#define GvUNIQUE(gv)         (GvGP(gv) && (GvGPFLAGS(gv) & GVf_UNIQUE))
+#define GvUNIQUE_on(gv)      (GvGPFLAGS(gv) |= GVf_UNIQUE)
+#define GvUNIQUE_off(gv)     (GvGPFLAGS(gv) &= ~GVf_UNIQUE)
+
+#ifdef USE_ITHREADS
+#define GV_UNIQUE_CHECK
+#else
+#undef  GV_UNIQUE_CHECK
+#endif
+
 #define Nullgv Null(GV*)
 
 #define DM_UID   0x003
@@ -125,6 +154,11 @@ HV *GvHVn();
 #define DM_EGID   0x020
 #define DM_DELAY 0x100
 
-#define GV_ADD		0x01
-#define GV_ADDMULTI	0x02
-#define GV_ADDWARN	0x04
+/*
+ * symbol creation flags, for use in gv_fetchpv() and get_*v()
+ */
+#define GV_ADD		0x01	/* add, if symbol not already there */
+#define GV_ADDMULTI	0x02	/* add, pretending it has been added already */
+#define GV_ADDWARN	0x04	/* add, but warn if symbol wasn't already there */
+#define GV_ADDINEVAL	0x08	/* add, as though we're doing so within an eval */
+#define GV_NOINIT	0x10	/* add, but don't init symbol, if type != PVGV */