X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/603aa20df51288786331f1d6680081156c2ce5a9..895e25a51f0637b8e9bc8962fe7947a1e7e3b66f:/gv.h diff --git a/gv.h b/gv.h index b5fa71b..30014b6 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, 2007, 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. @@ -27,10 +27,15 @@ struct gp { #if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__INTEL_COMPILER) # define GvGP(gv) \ - (*({GV *const _gvgp = (GV *) (gv); \ + (0+(*({GV *const _gvgp = (GV *) (gv); \ assert(SvTYPE(_gvgp) == SVt_PVGV || SvTYPE(_gvgp) == SVt_PVLV); \ assert(isGV_with_GP(_gvgp)); \ - &((_gvgp)->sv_u.svu_gp);})) + &((_gvgp)->sv_u.svu_gp);}))) +# define GvGP_set(gv,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 = (gp); } # define GvFLAGS(gv) \ (*({GV *const _gvflags = (GV *) (gv); \ assert(SvTYPE(_gvflags) == SVt_PVGV || SvTYPE(_gvflags) == SVt_PVLV); \ @@ -49,15 +54,18 @@ struct gp { 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)); }) +# define GvNAMEUTF8(gv) ({ assert(GvNAME_HEK(gv)); HEK_UTF8(GvNAME_HEK(gv)); }) #else -# define GvGP(gv) ((gv)->sv_u.svu_gp) +# define GvGP(gv) (0+(gv)->sv_u.svu_gp) +# define GvGP_set(gv,gp) ((gv)->sv_u.svu_gp = (gp)) # define GvFLAGS(gv) (GvXPVGV(gv)->xpv_cur) # define GvSTASH(gv) (GvXPVGV(gv)->xnv_u.xgv_stash) # define GvNAME_HEK(gv) (GvXPVGV(gv)->xiv_u.xivu_namehek) # define GvNAME_get(gv) HEK_KEY(GvNAME_HEK(gv)) # define GvNAMELEN_get(gv) HEK_LEN(GvNAME_HEK(gv)) +# define GvNAMEUTF8(gv) HEK_UTF8(GvNAME_HEK(gv)) #endif #define GvNAME(gv) GvNAME_get(gv) @@ -75,6 +83,18 @@ struct gp { Return the SV from the GV. +=for apidoc Am|AV*|GvAV|GV* gv + +Return the AV from the GV. + +=for apidoc Am|HV*|GvHV|GV* gv + +Return the HV from the GV. + +=for apidoc Am|CV*|GvCV|GV* gv + +Return the CV from the GV. + =cut */ @@ -88,16 +108,23 @@ 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) : NULL) +#define GvIO(gv) \ + ( \ + (gv) \ + && ( \ + SvTYPE((const SV*)(gv)) == SVt_PVGV \ + || SvTYPE((const SV*)(gv)) == SVt_PVLV \ + ) \ + && 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) @@ -107,7 +134,8 @@ Return the SV from the GV. GvGP(gv)->gp_hv : \ GvGP(gv_HVadd(gv))->gp_hv) -#define GvCV(gv) (GvGP(gv)->gp_cv) +#define GvCV(gv) (0+GvGP(gv)->gp_cv) +#define GvCV_set(gv,cv) (GvGP(gv)->gp_cv = (cv)) #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) #define GvCVu(gv) (GvGP(gv)->gp_cvgen ? NULL : GvGP(gv)->gp_cv) @@ -117,7 +145,11 @@ Return the SV from the GV. #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 GvENAMELEN(gv) GvNAMELEN(GvEGV(gv) ? GvEGV(gv) : gv) +#define GvENAMEUTF8(gv) GvNAMEUTF8(GvEGV(gv) ? GvEGV(gv) : gv) +#define GvENAME_HEK(gv) GvNAME_HEK(GvEGV(gv) ? GvEGV(gv) : gv) #define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv) #define GVf_INTRO 0x01 @@ -166,28 +198,18 @@ 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 -#endif - #ifndef PERL_CORE # define Nullgv Null(GV*) #endif -#define DM_UID 0x003 -#define DM_RUID 0x001 -#define DM_EUID 0x002 -#define DM_ARRAY 0x004 -#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() @@ -195,7 +217,8 @@ Return the SV from the GV. #define GV_ADD 0x01 /* add, if symbol not already there For gv_name_set, adding a HEK for the first time, so don't try to free what's there. */ -#define GV_ADDMULTI 0x02 /* add, pretending it has been added already */ +#define GV_ADDMULTI 0x02 /* add, pretending it has been added + already; used also by gv_init_* */ #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 */ @@ -208,24 +231,48 @@ Return the SV from the GV. package (so skip checks for :: and ') */ #define GV_AUTOLOAD 0x100 /* gv_fetchmethod_flags() should AUTOLOAD */ #define GV_CROAK 0x200 /* gv_fetchmethod_flags() should croak */ +#define GV_ADDMG 0x400 /* add if magical */ +#define GV_NO_SVGMAGIC 0x800 /* Skip get-magic on an SV argument; + used only by gv_fetchsv(_nomg) */ + +/* Flags for gv_autoload_*/ +#define GV_AUTOLOAD_ISMETHOD 1 /* autoloading a method? */ /* 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. + as a flag to various gv_* functions, 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_NOADD_MASK \ + (SVf_UTF8|GV_NOADD_NOINIT|GV_NOEXPAND|GV_NOTQUAL|GV_ADDMG|GV_NO_SVGMAGIC) +/* The bit flags that don't cause gv_fetchpv() to add a symbol if not + found (with the exception GV_ADDMG, which *might* cause the symbol + to be added) */ #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_fetchsv_nomg(n,f,t) gv_fetchsv(n,(f)|GV_NO_SVGMAGIC,t) +#define gv_init(gv,stash,name,len,multi) \ + gv_init_pvn(gv,stash,name,len,GV_ADDMULTI*!!(multi)) +#define gv_fetchmeth(stash,name,len,level) gv_fetchmeth_pvn(stash, name, len, level, 0) +#define gv_fetchmeth_autoload(stash,name,len,level) gv_fetchmeth_pvn_autoload(stash, name, len, level, 0) +#define gv_fetchmethod_flags(stash,name,flags) gv_fetchmethod_pv_flags(stash, name, flags) +#define gv_autoload4(stash, name, len, method) \ + gv_autoload_pvn(stash, name, len, !!(method)) +#define newGVgen(pack) newGVgen_flags(pack, 0) + +#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 * c-basic-offset: 4 - * indent-tabs-mode: t + * indent-tabs-mode: nil * End: * - * ex: set ts=8 sts=4 sw=4 noet: + * ex: set ts=8 sts=4 sw=4 et: */