/* gv.h
*
- * Copyright (c) 1991-1997, 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.
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))
#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)
#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)
#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
#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
#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 */