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/* sv.h |
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* |
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* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
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* 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others |
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* |
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* You may distribute under the terms of either the GNU General Public |
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* License or the Artistic License, as specified in the README file. |
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* |
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*/ |
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#ifdef sv_flags |
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#undef sv_flags /* Convex has this in <signal.h> for sigvec() */ |
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#endif |
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/* |
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=head1 SV Flags |
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=for apidoc AmU||svtype |
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An enum of flags for Perl types. These are found in the file B<sv.h> |
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in the C<svtype> enum. Test these flags with the C<SvTYPE> macro. |
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=for apidoc AmU||SVt_PV |
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Pointer type flag for scalars. See C<svtype>. |
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=for apidoc AmU||SVt_IV |
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Integer type flag for scalars. See C<svtype>. |
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=for apidoc AmU||SVt_NV |
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Double type flag for scalars. See C<svtype>. |
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=for apidoc AmU||SVt_PVMG |
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Type flag for blessed scalars. See C<svtype>. |
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=for apidoc AmU||SVt_PVAV |
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Type flag for arrays. See C<svtype>. |
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=for apidoc AmU||SVt_PVHV |
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Type flag for hashes. See C<svtype>. |
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=for apidoc AmU||SVt_PVCV |
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Type flag for code refs. See C<svtype>. |
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=cut |
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*/ |
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typedef enum { |
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SVt_NULL, /* 0 */ |
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SVt_IV, /* 1 */ |
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SVt_NV, /* 2 */ |
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SVt_RV, /* 3 */ |
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SVt_PV, /* 4 */ |
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SVt_PVIV, /* 5 */ |
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SVt_PVNV, /* 6 */ |
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SVt_PVMG, /* 7 */ |
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SVt_PVBM, /* 8 */ |
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SVt_PVLV, /* 9 */ |
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SVt_PVAV, /* 10 */ |
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SVt_PVHV, /* 11 */ |
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SVt_PVCV, /* 12 */ |
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SVt_PVGV, /* 13 */ |
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SVt_PVFM, /* 14 */ |
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SVt_PVIO /* 15 */ |
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} svtype; |
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/* Using C's structural equivalence to help emulate C++ inheritance here... */ |
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struct STRUCT_SV { /* struct sv { */ |
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void* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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struct gv { |
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XPVGV* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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struct cv { |
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XPVCV* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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struct av { |
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XPVAV* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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struct hv { |
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XPVHV* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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struct io { |
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XPVIO* sv_any; /* pointer to something */ |
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U32 sv_refcnt; /* how many references to us */ |
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U32 sv_flags; /* what we are */ |
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}; |
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/* |
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=head1 SV Manipulation Functions |
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=for apidoc Am|U32|SvREFCNT|SV* sv |
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Returns the value of the object's reference count. |
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=for apidoc Am|SV*|SvREFCNT_inc|SV* sv |
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Increments the reference count of the given SV. |
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=for apidoc Am|void|SvREFCNT_dec|SV* sv |
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Decrements the reference count of the given SV. |
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=for apidoc Am|svtype|SvTYPE|SV* sv |
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Returns the type of the SV. See C<svtype>. |
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=for apidoc Am|void|SvUPGRADE|SV* sv|svtype type |
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Used to upgrade an SV to a more complex form. Uses C<sv_upgrade> to |
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perform the upgrade if necessary. See C<svtype>. |
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=cut |
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*/ |
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#define SvANY(sv) (sv)->sv_any |
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#define SvFLAGS(sv) (sv)->sv_flags |
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#define SvREFCNT(sv) (sv)->sv_refcnt |
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#ifdef USE_5005THREADS |
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# if defined(VMS) |
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# define ATOMIC_INC(count) __ATOMIC_INCREMENT_LONG(&count) |
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# define ATOMIC_DEC_AND_TEST(res,count) res=(1==__ATOMIC_DECREMENT_LONG(&count)) |
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# else |
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# ifdef EMULATE_ATOMIC_REFCOUNTS |
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# define ATOMIC_INC(count) STMT_START { \ |
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MUTEX_LOCK(&PL_svref_mutex); \ |
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++count; \ |
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MUTEX_UNLOCK(&PL_svref_mutex); \ |
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} STMT_END |
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# define ATOMIC_DEC_AND_TEST(res,count) STMT_START { \ |
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MUTEX_LOCK(&PL_svref_mutex); \ |
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res = (--count == 0); \ |
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MUTEX_UNLOCK(&PL_svref_mutex); \ |
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} STMT_END |
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# else |
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# define ATOMIC_INC(count) atomic_inc(&count) |
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# define ATOMIC_DEC_AND_TEST(res,count) (res = atomic_dec_and_test(&count)) |
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# endif /* EMULATE_ATOMIC_REFCOUNTS */ |
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# endif /* VMS */ |
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#else |
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# define ATOMIC_INC(count) (++count) |
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# define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0)) |
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#endif /* USE_5005THREADS */ |
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) |
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# define SvREFCNT_inc(sv) \ |
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({ \ |
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SV *_sv = (SV*)(sv); \ |
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if (_sv) \ |
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ATOMIC_INC(SvREFCNT(_sv)); \ |
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_sv; \ |
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}) |
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#else |
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# ifdef USE_5005THREADS |
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# if defined(VMS) && defined(__ALPHA) |
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# define SvREFCNT_inc(sv) \ |
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(PL_Sv=(SV*)(sv), (PL_Sv && __ATOMIC_INCREMENT_LONG(&(SvREFCNT(PL_Sv)))), (SV *)PL_Sv) |
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# else |
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# define SvREFCNT_inc(sv) sv_newref((SV*)sv) |
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# endif |
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# else |
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# define SvREFCNT_inc(sv) \ |
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((PL_Sv=(SV*)(sv)), (PL_Sv && ATOMIC_INC(SvREFCNT(PL_Sv))), (SV*)PL_Sv) |
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# endif |
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#endif |
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#define SvREFCNT_dec(sv) sv_free((SV*)(sv)) |
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#define SVTYPEMASK 0xff |
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#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK) |
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#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt)) |
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#define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */ |
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#define SVs_PADTMP 0x00000200 /* in use as tmp */ |
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#define SVs_PADMY 0x00000400 /* in use a "my" variable */ |
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#define SVs_TEMP 0x00000800 /* string is stealable? */ |
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#define SVs_OBJECT 0x00001000 /* is "blessed" */ |
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#define SVs_GMG 0x00002000 /* has magical get method */ |
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#define SVs_SMG 0x00004000 /* has magical set method */ |
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#define SVs_RMG 0x00008000 /* has random magical methods */ |
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#define SVf_IOK 0x00010000 /* has valid public integer value */ |
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#define SVf_NOK 0x00020000 /* has valid public numeric value */ |
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#define SVf_POK 0x00040000 /* has valid public pointer value */ |
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#define SVf_ROK 0x00080000 /* has a valid reference pointer */ |
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#define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */ |
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#define SVf_OOK 0x00200000 /* has valid offset value */ |
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#define SVf_BREAK 0x00400000 /* refcnt is artificially low - used |
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* by SV's in final arena cleanup */ |
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#define SVf_READONLY 0x00800000 /* may not be modified */ |
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#define SVp_IOK 0x01000000 /* has valid non-public integer value */ |
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#define SVp_NOK 0x02000000 /* has valid non-public numeric value */ |
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#define SVp_POK 0x04000000 /* has valid non-public pointer value */ |
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#define SVp_SCREAM 0x08000000 /* has been studied? */ |
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#define SVf_UTF8 0x20000000 /* SvPV is UTF-8 encoded */ |
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#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK|SVf_FAKE) |
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#define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \ |
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SVp_IOK|SVp_NOK|SVp_POK) |
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#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */ |
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#define PRIVSHIFT 8 /* (SVp_?OK >> PRIVSHIFT) == SVf_?OK */ |
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/* Some private flags. */ |
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/* SVpad_OUR may be set on SVt_PV{NV,MG,GV} types */ |
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#define SVpad_OUR 0x80000000 /* pad name is "our" instead of "my" */ |
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#define SVpad_TYPED 0x40000000 /* Typed Lexical */ |
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#define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */ |
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#define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */ |
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#define SVpbm_VALID 0x80000000 |
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#define SVpbm_TAIL 0x40000000 |
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#define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */ |
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#define SVphv_CLONEABLE 0x08000000 /* for stashes: clone its objects */ |
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#define SVphv_REHASH 0x10000000 /* HV is recalculating hash values */ |
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#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */ |
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#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */ |
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#define SVphv_HASKFLAGS 0x80000000 /* keys have flag byte after hash */ |
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#define SVprv_WEAKREF 0x80000000 /* Weak reference */ |
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struct xrv { |
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SV * xrv_rv; /* pointer to another SV */ |
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}; |
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struct xpv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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}; |
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struct xpviv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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}; |
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struct xpvuv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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UV xuv_uv; /* unsigned value or pv offset */ |
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}; |
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struct xpvnv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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NV xnv_nv; /* numeric value, if any */ |
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}; |
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/* These structure must match the beginning of struct xpvhv in hv.h. */ |
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struct xpvmg { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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NV xnv_nv; /* numeric value, if any */ |
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MAGIC* xmg_magic; /* linked list of magicalness */ |
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HV* xmg_stash; /* class package */ |
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}; |
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struct xpvlv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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NV xnv_nv; /* numeric value, if any */ |
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MAGIC* xmg_magic; /* linked list of magicalness */ |
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HV* xmg_stash; /* class package */ |
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STRLEN xlv_targoff; |
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STRLEN xlv_targlen; |
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SV* xlv_targ; |
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char xlv_type; /* k=keys .=pos x=substr v=vec /=join/re |
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* y=alem/helem/iter t=tie T=tied HE */ |
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}; |
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struct xpvgv { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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NV xnv_nv; /* numeric value, if any */ |
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MAGIC* xmg_magic; /* linked list of magicalness */ |
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HV* xmg_stash; /* class package */ |
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GP* xgv_gp; |
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char* xgv_name; |
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STRLEN xgv_namelen; |
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HV* xgv_stash; |
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U8 xgv_flags; |
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}; |
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struct xpvbm { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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STRLEN xpv_len; /* allocated size */ |
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IV xiv_iv; /* integer value or pv offset */ |
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NV xnv_nv; /* numeric value, if any */ |
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MAGIC* xmg_magic; /* linked list of magicalness */ |
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HV* xmg_stash; /* class package */ |
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I32 xbm_useful; /* is this constant pattern being useful? */ |
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U16 xbm_previous; /* how many characters in string before rare? */ |
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U8 xbm_rare; /* rarest character in string */ |
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}; |
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/* This structure must match XPVCV in cv.h */ |
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typedef U16 cv_flags_t; |
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struct xpvfm { |
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char * xpv_pv; /* pointer to malloced string */ |
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STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
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|
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STRLEN xpv_len; /* allocated size */ |
| 342 |
|
|
IV xiv_iv; /* integer value or pv offset */ |
| 343 |
|
|
NV xnv_nv; /* numeric value, if any */ |
| 344 |
|
|
MAGIC* xmg_magic; /* linked list of magicalness */ |
| 345 |
|
|
HV* xmg_stash; /* class package */ |
| 346 |
|
|
|
| 347 |
|
|
HV * xcv_stash; |
| 348 |
|
|
OP * xcv_start; |
| 349 |
|
|
OP * xcv_root; |
| 350 |
|
|
void (*xcv_xsub)(pTHX_ CV*); |
| 351 |
|
|
ANY xcv_xsubany; |
| 352 |
|
|
GV * xcv_gv; |
| 353 |
|
|
char * xcv_file; |
| 354 |
|
|
long xcv_depth; /* >= 2 indicates recursive call */ |
| 355 |
|
|
AV * xcv_padlist; |
| 356 |
|
|
CV * xcv_outside; |
| 357 |
|
|
#ifdef USE_5005THREADS |
| 358 |
|
|
perl_mutex *xcv_mutexp; /* protects xcv_owner */ |
| 359 |
|
|
struct perl_thread *xcv_owner; /* current owner thread */ |
| 360 |
|
|
#endif /* USE_5005THREADS */ |
| 361 |
|
|
cv_flags_t xcv_flags; |
| 362 |
|
|
U32 xcv_outside_seq; /* the COP sequence (at the point of our |
| 363 |
|
|
* compilation) in the lexically enclosing |
| 364 |
|
|
* sub */ |
| 365 |
|
|
IV xfm_lines; |
| 366 |
|
|
}; |
| 367 |
|
|
|
| 368 |
|
|
struct xpvio { |
| 369 |
|
|
char * xpv_pv; /* pointer to malloced string */ |
| 370 |
|
|
STRLEN xpv_cur; /* length of xpv_pv as a C string */ |
| 371 |
|
|
STRLEN xpv_len; /* allocated size */ |
| 372 |
|
|
IV xiv_iv; /* integer value or pv offset */ |
| 373 |
|
|
NV xnv_nv; /* numeric value, if any */ |
| 374 |
|
|
MAGIC* xmg_magic; /* linked list of magicalness */ |
| 375 |
|
|
HV* xmg_stash; /* class package */ |
| 376 |
|
|
|
| 377 |
|
|
PerlIO * xio_ifp; /* ifp and ofp are normally the same */ |
| 378 |
|
|
PerlIO * xio_ofp; /* but sockets need separate streams */ |
| 379 |
|
|
/* Cray addresses everything by word boundaries (64 bits) and |
| 380 |
|
|
* code and data pointers cannot be mixed (which is exactly what |
| 381 |
|
|
* Perl_filter_add() tries to do with the dirp), hence the following |
| 382 |
|
|
* union trick (as suggested by Gurusamy Sarathy). |
| 383 |
|
|
* For further information see Geir Johansen's problem report titled |
| 384 |
|
|
[ID 20000612.002] Perl problem on Cray system |
| 385 |
|
|
* The any pointer (known as IoANY()) will also be a good place |
| 386 |
|
|
* to hang any IO disciplines to. |
| 387 |
|
|
*/ |
| 388 |
|
|
union { |
| 389 |
|
|
DIR * xiou_dirp; /* for opendir, readdir, etc */ |
| 390 |
|
|
void * xiou_any; /* for alignment */ |
| 391 |
|
|
} xio_dirpu; |
| 392 |
|
|
IV xio_lines; /* $. */ |
| 393 |
|
|
IV xio_page; /* $% */ |
| 394 |
|
|
IV xio_page_len; /* $= */ |
| 395 |
|
|
IV xio_lines_left; /* $- */ |
| 396 |
|
|
char * xio_top_name; /* $^ */ |
| 397 |
|
|
GV * xio_top_gv; /* $^ */ |
| 398 |
|
|
char * xio_fmt_name; /* $~ */ |
| 399 |
|
|
GV * xio_fmt_gv; /* $~ */ |
| 400 |
|
|
char * xio_bottom_name;/* $^B */ |
| 401 |
|
|
GV * xio_bottom_gv; /* $^B */ |
| 402 |
|
|
short xio_subprocess; /* -| or |- */ |
| 403 |
|
|
char xio_type; |
| 404 |
|
|
char xio_flags; |
| 405 |
|
|
}; |
| 406 |
|
|
#define xio_dirp xio_dirpu.xiou_dirp |
| 407 |
|
|
#define xio_any xio_dirpu.xiou_any |
| 408 |
|
|
|
| 409 |
|
|
#define IOf_ARGV 1 /* this fp iterates over ARGV */ |
| 410 |
|
|
#define IOf_START 2 /* check for null ARGV and substitute '-' */ |
| 411 |
|
|
#define IOf_FLUSH 4 /* this fp wants a flush after write op */ |
| 412 |
|
|
#define IOf_DIDTOP 8 /* just did top of form */ |
| 413 |
|
|
#define IOf_UNTAINT 16 /* consider this fp (and its data) "safe" */ |
| 414 |
|
|
#define IOf_NOLINE 32 /* slurped a pseudo-line from empty file */ |
| 415 |
|
|
#define IOf_FAKE_DIRP 64 /* xio_dirp is fake (source filters kludge) */ |
| 416 |
|
|
|
| 417 |
|
|
/* The following macros define implementation-independent predicates on SVs. */ |
| 418 |
|
|
|
| 419 |
|
|
/* |
| 420 |
|
|
=for apidoc Am|bool|SvNIOK|SV* sv |
| 421 |
|
|
Returns a boolean indicating whether the SV contains a number, integer or |
| 422 |
|
|
double. |
| 423 |
|
|
|
| 424 |
|
|
=for apidoc Am|bool|SvNIOKp|SV* sv |
| 425 |
|
|
Returns a boolean indicating whether the SV contains a number, integer or |
| 426 |
|
|
double. Checks the B<private> setting. Use C<SvNIOK>. |
| 427 |
|
|
|
| 428 |
|
|
=for apidoc Am|void|SvNIOK_off|SV* sv |
| 429 |
|
|
Unsets the NV/IV status of an SV. |
| 430 |
|
|
|
| 431 |
|
|
=for apidoc Am|bool|SvOK|SV* sv |
| 432 |
|
|
Returns a boolean indicating whether the value is an SV. It also tells |
| 433 |
|
|
whether the value is defined or not. |
| 434 |
|
|
|
| 435 |
|
|
=for apidoc Am|bool|SvIOKp|SV* sv |
| 436 |
|
|
Returns a boolean indicating whether the SV contains an integer. Checks |
| 437 |
|
|
the B<private> setting. Use C<SvIOK>. |
| 438 |
|
|
|
| 439 |
|
|
=for apidoc Am|bool|SvNOKp|SV* sv |
| 440 |
|
|
Returns a boolean indicating whether the SV contains a double. Checks the |
| 441 |
|
|
B<private> setting. Use C<SvNOK>. |
| 442 |
|
|
|
| 443 |
|
|
=for apidoc Am|bool|SvPOKp|SV* sv |
| 444 |
|
|
Returns a boolean indicating whether the SV contains a character string. |
| 445 |
|
|
Checks the B<private> setting. Use C<SvPOK>. |
| 446 |
|
|
|
| 447 |
|
|
=for apidoc Am|bool|SvIOK|SV* sv |
| 448 |
|
|
Returns a boolean indicating whether the SV contains an integer. |
| 449 |
|
|
|
| 450 |
|
|
=for apidoc Am|void|SvIOK_on|SV* sv |
| 451 |
|
|
Tells an SV that it is an integer. |
| 452 |
|
|
|
| 453 |
|
|
=for apidoc Am|void|SvIOK_off|SV* sv |
| 454 |
|
|
Unsets the IV status of an SV. |
| 455 |
|
|
|
| 456 |
|
|
=for apidoc Am|void|SvIOK_only|SV* sv |
| 457 |
|
|
Tells an SV that it is an integer and disables all other OK bits. |
| 458 |
|
|
|
| 459 |
|
|
=for apidoc Am|void|SvIOK_only_UV|SV* sv |
| 460 |
|
|
Tells and SV that it is an unsigned integer and disables all other OK bits. |
| 461 |
|
|
|
| 462 |
|
|
=for apidoc Am|bool|SvIOK_UV|SV* sv |
| 463 |
|
|
Returns a boolean indicating whether the SV contains an unsigned integer. |
| 464 |
|
|
|
| 465 |
|
|
=for apidoc Am|void|SvUOK|SV* sv |
| 466 |
|
|
Returns a boolean indicating whether the SV contains an unsigned integer. |
| 467 |
|
|
|
| 468 |
|
|
=for apidoc Am|bool|SvIOK_notUV|SV* sv |
| 469 |
|
|
Returns a boolean indicating whether the SV contains a signed integer. |
| 470 |
|
|
|
| 471 |
|
|
=for apidoc Am|bool|SvNOK|SV* sv |
| 472 |
|
|
Returns a boolean indicating whether the SV contains a double. |
| 473 |
|
|
|
| 474 |
|
|
=for apidoc Am|void|SvNOK_on|SV* sv |
| 475 |
|
|
Tells an SV that it is a double. |
| 476 |
|
|
|
| 477 |
|
|
=for apidoc Am|void|SvNOK_off|SV* sv |
| 478 |
|
|
Unsets the NV status of an SV. |
| 479 |
|
|
|
| 480 |
|
|
=for apidoc Am|void|SvNOK_only|SV* sv |
| 481 |
|
|
Tells an SV that it is a double and disables all other OK bits. |
| 482 |
|
|
|
| 483 |
|
|
=for apidoc Am|bool|SvPOK|SV* sv |
| 484 |
|
|
Returns a boolean indicating whether the SV contains a character |
| 485 |
|
|
string. |
| 486 |
|
|
|
| 487 |
|
|
=for apidoc Am|void|SvPOK_on|SV* sv |
| 488 |
|
|
Tells an SV that it is a string. |
| 489 |
|
|
|
| 490 |
|
|
=for apidoc Am|void|SvPOK_off|SV* sv |
| 491 |
|
|
Unsets the PV status of an SV. |
| 492 |
|
|
|
| 493 |
|
|
=for apidoc Am|void|SvPOK_only|SV* sv |
| 494 |
|
|
Tells an SV that it is a string and disables all other OK bits. |
| 495 |
|
|
Will also turn off the UTF-8 status. |
| 496 |
|
|
|
| 497 |
|
|
=for apidoc Am|bool|SvOOK|SV* sv |
| 498 |
|
|
Returns a boolean indicating whether the SvIVX is a valid offset value for |
| 499 |
|
|
the SvPVX. This hack is used internally to speed up removal of characters |
| 500 |
|
|
from the beginning of a SvPV. When SvOOK is true, then the start of the |
| 501 |
|
|
allocated string buffer is really (SvPVX - SvIVX). |
| 502 |
|
|
|
| 503 |
|
|
=for apidoc Am|bool|SvROK|SV* sv |
| 504 |
|
|
Tests if the SV is an RV. |
| 505 |
|
|
|
| 506 |
|
|
=for apidoc Am|void|SvROK_on|SV* sv |
| 507 |
|
|
Tells an SV that it is an RV. |
| 508 |
|
|
|
| 509 |
|
|
=for apidoc Am|void|SvROK_off|SV* sv |
| 510 |
|
|
Unsets the RV status of an SV. |
| 511 |
|
|
|
| 512 |
|
|
=for apidoc Am|SV*|SvRV|SV* sv |
| 513 |
|
|
Dereferences an RV to return the SV. |
| 514 |
|
|
|
| 515 |
|
|
=for apidoc Am|IV|SvIVX|SV* sv |
| 516 |
|
|
Returns the raw value in the SV's IV slot, without checks or conversions. |
| 517 |
|
|
Only use when you are sure SvIOK is true. See also C<SvIV()>. |
| 518 |
|
|
|
| 519 |
|
|
=for apidoc Am|UV|SvUVX|SV* sv |
| 520 |
|
|
Returns the raw value in the SV's UV slot, without checks or conversions. |
| 521 |
|
|
Only use when you are sure SvIOK is true. See also C<SvUV()>. |
| 522 |
|
|
|
| 523 |
|
|
=for apidoc Am|NV|SvNVX|SV* sv |
| 524 |
|
|
Returns the raw value in the SV's NV slot, without checks or conversions. |
| 525 |
|
|
Only use when you are sure SvNOK is true. See also C<SvNV()>. |
| 526 |
|
|
|
| 527 |
|
|
=for apidoc Am|char*|SvPVX|SV* sv |
| 528 |
|
|
Returns a pointer to the physical string in the SV. The SV must contain a |
| 529 |
|
|
string. |
| 530 |
|
|
|
| 531 |
|
|
=for apidoc Am|STRLEN|SvCUR|SV* sv |
| 532 |
|
|
Returns the length of the string which is in the SV. See C<SvLEN>. |
| 533 |
|
|
|
| 534 |
|
|
=for apidoc Am|STRLEN|SvLEN|SV* sv |
| 535 |
|
|
Returns the size of the string buffer in the SV, not including any part |
| 536 |
|
|
attributable to C<SvOOK>. See C<SvCUR>. |
| 537 |
|
|
|
| 538 |
|
|
=for apidoc Am|char*|SvEND|SV* sv |
| 539 |
|
|
Returns a pointer to the last character in the string which is in the SV. |
| 540 |
|
|
See C<SvCUR>. Access the character as *(SvEND(sv)). |
| 541 |
|
|
|
| 542 |
|
|
=for apidoc Am|HV*|SvSTASH|SV* sv |
| 543 |
|
|
Returns the stash of the SV. |
| 544 |
|
|
|
| 545 |
|
|
=for apidoc Am|void|SvCUR_set|SV* sv|STRLEN len |
| 546 |
|
|
Set the length of the string which is in the SV. See C<SvCUR>. |
| 547 |
|
|
|
| 548 |
|
|
=cut |
| 549 |
|
|
*/ |
| 550 |
|
|
|
| 551 |
|
|
#define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK)) |
| 552 |
|
|
#define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK)) |
| 553 |
|
|
#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \ |
| 554 |
|
|
SVp_IOK|SVp_NOK|SVf_IVisUV)) |
| 555 |
|
|
|
| 556 |
|
|
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) |
| 557 |
|
|
#define assert_not_ROK(sv) ({assert(!SvROK(sv) || !SvRV(sv));}), |
| 558 |
|
|
#else |
| 559 |
|
|
#define assert_not_ROK(sv) |
| 560 |
|
|
#endif |
| 561 |
|
|
|
| 562 |
|
|
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK) |
| 563 |
|
|
#define SvOK_off(sv) (assert_not_ROK(sv) \ |
| 564 |
|
|
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
| 565 |
|
|
SVf_IVisUV|SVf_UTF8), \ |
| 566 |
|
|
SvOOK_off(sv)) |
| 567 |
|
|
#define SvOK_off_exc_UV(sv) (assert_not_ROK(sv) \ |
| 568 |
|
|
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
| 569 |
|
|
SVf_UTF8), \ |
| 570 |
|
|
SvOOK_off(sv)) |
| 571 |
|
|
|
| 572 |
|
|
#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) |
| 573 |
|
|
#define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK) |
| 574 |
|
|
#define SvIOKp_on(sv) ((void)SvOOK_off(sv), SvFLAGS(sv) |= SVp_IOK) |
| 575 |
|
|
#define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK) |
| 576 |
|
|
#define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK) |
| 577 |
|
|
#define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK) |
| 578 |
|
|
#define SvPOKp_on(sv) (assert_not_ROK(sv) \ |
| 579 |
|
|
SvFLAGS(sv) |= SVp_POK) |
| 580 |
|
|
|
| 581 |
|
|
#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK) |
| 582 |
|
|
#define SvIOK_on(sv) ((void)SvOOK_off(sv), \ |
| 583 |
|
|
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
| 584 |
|
|
#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK|SVf_IVisUV)) |
| 585 |
|
|
#define SvIOK_only(sv) (SvOK_off(sv), \ |
| 586 |
|
|
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
| 587 |
|
|
#define SvIOK_only_UV(sv) (SvOK_off_exc_UV(sv), \ |
| 588 |
|
|
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
| 589 |
|
|
|
| 590 |
|
|
#define SvIOK_UV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \ |
| 591 |
|
|
== (SVf_IOK|SVf_IVisUV)) |
| 592 |
|
|
#define SvUOK(sv) SvIOK_UV(sv) |
| 593 |
|
|
#define SvIOK_notUV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \ |
| 594 |
|
|
== SVf_IOK) |
| 595 |
|
|
|
| 596 |
|
|
#define SvVOK(sv) (SvMAGICAL(sv) && mg_find(sv,'V')) |
| 597 |
|
|
#define SvIsUV(sv) (SvFLAGS(sv) & SVf_IVisUV) |
| 598 |
|
|
#define SvIsUV_on(sv) (SvFLAGS(sv) |= SVf_IVisUV) |
| 599 |
|
|
#define SvIsUV_off(sv) (SvFLAGS(sv) &= ~SVf_IVisUV) |
| 600 |
|
|
|
| 601 |
|
|
#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK) |
| 602 |
|
|
#define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK)) |
| 603 |
|
|
#define SvNOK_off(sv) (SvFLAGS(sv) &= ~(SVf_NOK|SVp_NOK)) |
| 604 |
|
|
#define SvNOK_only(sv) (SvOK_off(sv), \ |
| 605 |
|
|
SvFLAGS(sv) |= (SVf_NOK|SVp_NOK)) |
| 606 |
|
|
|
| 607 |
|
|
/* |
| 608 |
|
|
=for apidoc Am|bool|SvUTF8|SV* sv |
| 609 |
|
|
Returns a boolean indicating whether the SV contains UTF-8 encoded data. |
| 610 |
|
|
|
| 611 |
|
|
=for apidoc Am|void|SvUTF8_on|SV *sv |
| 612 |
|
|
Turn on the UTF-8 status of an SV (the data is not changed, just the flag). |
| 613 |
|
|
Do not use frivolously. |
| 614 |
|
|
|
| 615 |
|
|
=for apidoc Am|void|SvUTF8_off|SV *sv |
| 616 |
|
|
Unsets the UTF-8 status of an SV. |
| 617 |
|
|
|
| 618 |
|
|
=for apidoc Am|void|SvPOK_only_UTF8|SV* sv |
| 619 |
|
|
Tells an SV that it is a string and disables all other OK bits, |
| 620 |
|
|
and leaves the UTF-8 status as it was. |
| 621 |
|
|
|
| 622 |
|
|
=cut |
| 623 |
|
|
*/ |
| 624 |
|
|
|
| 625 |
|
|
#define SvUTF8(sv) (SvFLAGS(sv) & SVf_UTF8) |
| 626 |
|
|
#define SvUTF8_on(sv) (SvFLAGS(sv) |= (SVf_UTF8)) |
| 627 |
|
|
#define SvUTF8_off(sv) (SvFLAGS(sv) &= ~(SVf_UTF8)) |
| 628 |
|
|
|
| 629 |
|
|
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK) |
| 630 |
|
|
#define SvPOK_on(sv) (assert_not_ROK(sv) \ |
| 631 |
|
|
SvFLAGS(sv) |= (SVf_POK|SVp_POK)) |
| 632 |
|
|
#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK)) |
| 633 |
|
|
#define SvPOK_only(sv) (assert_not_ROK(sv) \ |
| 634 |
|
|
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
| 635 |
|
|
SVf_IVisUV|SVf_UTF8), \ |
| 636 |
|
|
SvFLAGS(sv) |= (SVf_POK|SVp_POK)) |
| 637 |
|
|
#define SvPOK_only_UTF8(sv) (assert_not_ROK(sv) \ |
| 638 |
|
|
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
| 639 |
|
|
SVf_IVisUV), \ |
| 640 |
|
|
SvFLAGS(sv) |= (SVf_POK|SVp_POK)) |
| 641 |
|
|
|
| 642 |
|
|
#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK) |
| 643 |
|
|
#define SvOOK_on(sv) ((void)SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK) |
| 644 |
|
|
#define SvOOK_off(sv) ((void)(SvOOK(sv) && sv_backoff(sv))) |
| 645 |
|
|
|
| 646 |
|
|
#define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE) |
| 647 |
|
|
#define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE) |
| 648 |
|
|
#define SvFAKE_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE) |
| 649 |
|
|
|
| 650 |
|
|
#define SvROK(sv) (SvFLAGS(sv) & SVf_ROK) |
| 651 |
|
|
#define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK) |
| 652 |
|
|
#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC)) |
| 653 |
|
|
|
| 654 |
|
|
#define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG)) |
| 655 |
|
|
#define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG)) |
| 656 |
|
|
#define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~(SVs_GMG|SVs_SMG|SVs_RMG)) |
| 657 |
|
|
|
| 658 |
|
|
#define SvGMAGICAL(sv) (SvFLAGS(sv) & SVs_GMG) |
| 659 |
|
|
#define SvGMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_GMG) |
| 660 |
|
|
#define SvGMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_GMG) |
| 661 |
|
|
|
| 662 |
|
|
#define SvSMAGICAL(sv) (SvFLAGS(sv) & SVs_SMG) |
| 663 |
|
|
#define SvSMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_SMG) |
| 664 |
|
|
#define SvSMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_SMG) |
| 665 |
|
|
|
| 666 |
|
|
#define SvRMAGICAL(sv) (SvFLAGS(sv) & SVs_RMG) |
| 667 |
|
|
#define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG) |
| 668 |
|
|
#define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG) |
| 669 |
|
|
|
| 670 |
|
|
#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC) |
| 671 |
|
|
#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC) |
| 672 |
|
|
#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC) |
| 673 |
|
|
|
| 674 |
|
|
#define SvGAMAGIC(sv) (SvFLAGS(sv) & (SVs_GMG|SVf_AMAGIC)) |
| 675 |
|
|
|
| 676 |
|
|
/* |
| 677 |
|
|
#define Gv_AMG(stash) \ |
| 678 |
|
|
(HV_AMAGICmb(stash) && \ |
| 679 |
|
|
((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash))) |
| 680 |
|
|
*/ |
| 681 |
|
|
#define Gv_AMG(stash) (PL_amagic_generation && Gv_AMupdate(stash)) |
| 682 |
|
|
|
| 683 |
|
|
#define SvWEAKREF(sv) ((SvFLAGS(sv) & (SVf_ROK|SVprv_WEAKREF)) \ |
| 684 |
|
|
== (SVf_ROK|SVprv_WEAKREF)) |
| 685 |
|
|
#define SvWEAKREF_on(sv) (SvFLAGS(sv) |= (SVf_ROK|SVprv_WEAKREF)) |
| 686 |
|
|
#define SvWEAKREF_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVprv_WEAKREF)) |
| 687 |
|
|
|
| 688 |
|
|
#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST) |
| 689 |
|
|
|
| 690 |
|
|
#define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY) |
| 691 |
|
|
|
| 692 |
|
|
#define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP) |
| 693 |
|
|
#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY) |
| 694 |
|
|
#define SvPADTMP_off(sv) (SvFLAGS(sv) &= ~SVs_PADTMP) |
| 695 |
|
|
|
| 696 |
|
|
#define SvPADMY(sv) (SvFLAGS(sv) & SVs_PADMY) |
| 697 |
|
|
#define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY|SVs_PADBUSY) |
| 698 |
|
|
|
| 699 |
|
|
#define SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP) |
| 700 |
|
|
#define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP) |
| 701 |
|
|
#define SvTEMP_off(sv) (SvFLAGS(sv) &= ~SVs_TEMP) |
| 702 |
|
|
|
| 703 |
|
|
#define SvOBJECT(sv) (SvFLAGS(sv) & SVs_OBJECT) |
| 704 |
|
|
#define SvOBJECT_on(sv) (SvFLAGS(sv) |= SVs_OBJECT) |
| 705 |
|
|
#define SvOBJECT_off(sv) (SvFLAGS(sv) &= ~SVs_OBJECT) |
| 706 |
|
|
|
| 707 |
|
|
#define SvREADONLY(sv) (SvFLAGS(sv) & SVf_READONLY) |
| 708 |
|
|
#define SvREADONLY_on(sv) (SvFLAGS(sv) |= SVf_READONLY) |
| 709 |
|
|
#define SvREADONLY_off(sv) (SvFLAGS(sv) &= ~SVf_READONLY) |
| 710 |
|
|
|
| 711 |
|
|
#define SvSCREAM(sv) (SvFLAGS(sv) & SVp_SCREAM) |
| 712 |
|
|
#define SvSCREAM_on(sv) (SvFLAGS(sv) |= SVp_SCREAM) |
| 713 |
|
|
#define SvSCREAM_off(sv) (SvFLAGS(sv) &= ~SVp_SCREAM) |
| 714 |
|
|
|
| 715 |
|
|
#define SvCOMPILED(sv) (SvFLAGS(sv) & SVpfm_COMPILED) |
| 716 |
|
|
#define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED) |
| 717 |
|
|
#define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED) |
| 718 |
|
|
|
| 719 |
|
|
#define SvEVALED(sv) (SvFLAGS(sv) & SVrepl_EVAL) |
| 720 |
|
|
#define SvEVALED_on(sv) (SvFLAGS(sv) |= SVrepl_EVAL) |
| 721 |
|
|
#define SvEVALED_off(sv) (SvFLAGS(sv) &= ~SVrepl_EVAL) |
| 722 |
|
|
|
| 723 |
|
|
#define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL) |
| 724 |
|
|
#define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL) |
| 725 |
|
|
#define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL) |
| 726 |
|
|
|
| 727 |
|
|
#define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID) |
| 728 |
|
|
#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID) |
| 729 |
|
|
#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID) |
| 730 |
|
|
|
| 731 |
|
|
#ifdef USE_ITHREADS |
| 732 |
|
|
/* The following uses the FAKE flag to show that a regex pointer is infact |
| 733 |
|
|
its own offset in the regexpad for ithreads */ |
| 734 |
|
|
#define SvREPADTMP(sv) (SvFLAGS(sv) & SVf_FAKE) |
| 735 |
|
|
#define SvREPADTMP_on(sv) (SvFLAGS(sv) |= SVf_FAKE) |
| 736 |
|
|
#define SvREPADTMP_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE) |
| 737 |
|
|
#endif |
| 738 |
|
|
|
| 739 |
|
|
#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv |
| 740 |
|
|
#define SvRVx(sv) SvRV(sv) |
| 741 |
|
|
|
| 742 |
|
|
#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv |
| 743 |
|
|
#define SvIVXx(sv) SvIVX(sv) |
| 744 |
|
|
#define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv |
| 745 |
|
|
#define SvUVXx(sv) SvUVX(sv) |
| 746 |
|
|
#define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv |
| 747 |
|
|
#define SvNVXx(sv) SvNVX(sv) |
| 748 |
|
|
#define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv |
| 749 |
|
|
#define SvPVXx(sv) SvPVX(sv) |
| 750 |
|
|
#define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur |
| 751 |
|
|
#define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len |
| 752 |
|
|
#define SvLENx(sv) SvLEN(sv) |
| 753 |
|
|
#define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur) |
| 754 |
|
|
#define SvENDx(sv) ((PL_Sv = (sv)), SvEND(PL_Sv)) |
| 755 |
|
|
#define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic |
| 756 |
|
|
#define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash |
| 757 |
|
|
|
| 758 |
|
|
/* Ask a scalar nicely to try to become an IV, if possible. |
| 759 |
|
|
Not guaranteed to stay returning void */ |
| 760 |
|
|
/* Macro won't actually call sv_2iv if already IOK */ |
| 761 |
|
|
#define SvIV_please(sv) \ |
| 762 |
|
|
STMT_START {if (!SvIOKp(sv) && (SvNOK(sv) || SvPOK(sv))) \ |
| 763 |
|
|
(void) SvIV(sv); } STMT_END |
| 764 |
|
|
#define SvIV_set(sv, val) \ |
| 765 |
|
|
STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \ |
| 766 |
|
|
(SvIVX(sv) = (val)); } STMT_END |
| 767 |
|
|
#define SvNV_set(sv, val) \ |
| 768 |
|
|
STMT_START { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \ |
| 769 |
|
|
(SvNVX(sv) = (val)); } STMT_END |
| 770 |
|
|
#define SvPV_set(sv, val) \ |
| 771 |
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ |
| 772 |
|
|
(SvPVX(sv) = (val)); } STMT_END |
| 773 |
|
|
#define SvCUR_set(sv, val) \ |
| 774 |
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ |
| 775 |
|
|
(SvCUR(sv) = (val)); } STMT_END |
| 776 |
|
|
#define SvLEN_set(sv, val) \ |
| 777 |
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ |
| 778 |
|
|
(SvLEN(sv) = (val)); } STMT_END |
| 779 |
|
|
#define SvEND_set(sv, val) \ |
| 780 |
|
|
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ |
| 781 |
|
|
(SvCUR(sv) = (val) - SvPVX(sv)); } STMT_END |
| 782 |
|
|
|
| 783 |
|
|
#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare |
| 784 |
|
|
#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful |
| 785 |
|
|
#define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous |
| 786 |
|
|
|
| 787 |
|
|
#define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines |
| 788 |
|
|
|
| 789 |
|
|
#define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type |
| 790 |
|
|
#define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ |
| 791 |
|
|
#define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff |
| 792 |
|
|
#define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen |
| 793 |
|
|
|
| 794 |
|
|
#define IoIFP(sv) ((XPVIO*) SvANY(sv))->xio_ifp |
| 795 |
|
|
#define IoOFP(sv) ((XPVIO*) SvANY(sv))->xio_ofp |
| 796 |
|
|
#define IoDIRP(sv) ((XPVIO*) SvANY(sv))->xio_dirp |
| 797 |
|
|
#define IoANY(sv) ((XPVIO*) SvANY(sv))->xio_any |
| 798 |
|
|
#define IoLINES(sv) ((XPVIO*) SvANY(sv))->xio_lines |
| 799 |
|
|
#define IoPAGE(sv) ((XPVIO*) SvANY(sv))->xio_page |
| 800 |
|
|
#define IoPAGE_LEN(sv) ((XPVIO*) SvANY(sv))->xio_page_len |
| 801 |
|
|
#define IoLINES_LEFT(sv)((XPVIO*) SvANY(sv))->xio_lines_left |
| 802 |
|
|
#define IoTOP_NAME(sv) ((XPVIO*) SvANY(sv))->xio_top_name |
| 803 |
|
|
#define IoTOP_GV(sv) ((XPVIO*) SvANY(sv))->xio_top_gv |
| 804 |
|
|
#define IoFMT_NAME(sv) ((XPVIO*) SvANY(sv))->xio_fmt_name |
| 805 |
|
|
#define IoFMT_GV(sv) ((XPVIO*) SvANY(sv))->xio_fmt_gv |
| 806 |
|
|
#define IoBOTTOM_NAME(sv)((XPVIO*) SvANY(sv))->xio_bottom_name |
| 807 |
|
|
#define IoBOTTOM_GV(sv) ((XPVIO*) SvANY(sv))->xio_bottom_gv |
| 808 |
|
|
#define IoSUBPROCESS(sv)((XPVIO*) SvANY(sv))->xio_subprocess |
| 809 |
|
|
#define IoTYPE(sv) ((XPVIO*) SvANY(sv))->xio_type |
| 810 |
|
|
#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags |
| 811 |
|
|
|
| 812 |
|
|
/* IoTYPE(sv) is a single character telling the type of I/O connection. */ |
| 813 |
|
|
#define IoTYPE_RDONLY '<' |
| 814 |
|
|
#define IoTYPE_WRONLY '>' |
| 815 |
|
|
#define IoTYPE_RDWR '+' |
| 816 |
|
|
#define IoTYPE_APPEND 'a' |
| 817 |
|
|
#define IoTYPE_PIPE '|' |
| 818 |
|
|
#define IoTYPE_STD '-' /* stdin or stdout */ |
| 819 |
|
|
#define IoTYPE_SOCKET 's' |
| 820 |
|
|
#define IoTYPE_CLOSED ' ' |
| 821 |
|
|
#define IoTYPE_IMPLICIT 'I' /* stdin or stdout or stderr */ |
| 822 |
|
|
#define IoTYPE_NUMERIC '#' /* fdopen */ |
| 823 |
|
|
|
| 824 |
|
|
/* |
| 825 |
|
|
=for apidoc Am|bool|SvTAINTED|SV* sv |
| 826 |
|
|
Checks to see if an SV is tainted. Returns TRUE if it is, FALSE if |
| 827 |
|
|
not. |
| 828 |
|
|
|
| 829 |
|
|
=for apidoc Am|void|SvTAINTED_on|SV* sv |
| 830 |
|
|
Marks an SV as tainted if tainting is enabled. |
| 831 |
|
|
|
| 832 |
|
|
=for apidoc Am|void|SvTAINTED_off|SV* sv |
| 833 |
|
|
Untaints an SV. Be I<very> careful with this routine, as it short-circuits |
| 834 |
|
|
some of Perl's fundamental security features. XS module authors should not |
| 835 |
|
|
use this function unless they fully understand all the implications of |
| 836 |
|
|
unconditionally untainting the value. Untainting should be done in the |
| 837 |
|
|
standard perl fashion, via a carefully crafted regexp, rather than directly |
| 838 |
|
|
untainting variables. |
| 839 |
|
|
|
| 840 |
|
|
=for apidoc Am|void|SvTAINT|SV* sv |
| 841 |
|
|
Taints an SV if tainting is enabled. |
| 842 |
|
|
|
| 843 |
|
|
=cut |
| 844 |
|
|
*/ |
| 845 |
|
|
|
| 846 |
|
|
#define SvTAINTED(sv) (SvMAGICAL(sv) && sv_tainted(sv)) |
| 847 |
|
|
#define SvTAINTED_on(sv) STMT_START{ if(PL_tainting){sv_taint(sv);} }STMT_END |
| 848 |
|
|
#define SvTAINTED_off(sv) STMT_START{ if(PL_tainting){sv_untaint(sv);} }STMT_END |
| 849 |
|
|
|
| 850 |
|
|
#define SvTAINT(sv) \ |
| 851 |
|
|
STMT_START { \ |
| 852 |
|
|
if (PL_tainting) { \ |
| 853 |
|
|
if (PL_tainted) \ |
| 854 |
|
|
SvTAINTED_on(sv); \ |
| 855 |
|
|
} \ |
| 856 |
|
|
} STMT_END |
| 857 |
|
|
|
| 858 |
|
|
/* |
| 859 |
|
|
=for apidoc Am|char*|SvPV_force|SV* sv|STRLEN len |
| 860 |
|
|
Like C<SvPV> but will force the SV into containing just a string |
| 861 |
|
|
(C<SvPOK_only>). You want force if you are going to update the C<SvPVX> |
| 862 |
|
|
directly. |
| 863 |
|
|
|
| 864 |
|
|
=for apidoc Am|char*|SvPV_force_nomg|SV* sv|STRLEN len |
| 865 |
|
|
Like C<SvPV> but will force the SV into containing just a string |
| 866 |
|
|
(C<SvPOK_only>). You want force if you are going to update the C<SvPVX> |
| 867 |
|
|
directly. Doesn't process magic. |
| 868 |
|
|
|
| 869 |
|
|
=for apidoc Am|char*|SvPV|SV* sv|STRLEN len |
| 870 |
|
|
Returns a pointer to the string in the SV, or a stringified form of |
| 871 |
|
|
the SV if the SV does not contain a string. The SV may cache the |
| 872 |
|
|
stringified version becoming C<SvPOK>. Handles 'get' magic. See also |
| 873 |
|
|
C<SvPVx> for a version which guarantees to evaluate sv only once. |
| 874 |
|
|
|
| 875 |
|
|
=for apidoc Am|char*|SvPVx|SV* sv|STRLEN len |
| 876 |
|
|
A version of C<SvPV> which guarantees to evaluate sv only once. |
| 877 |
|
|
|
| 878 |
|
|
=for apidoc Am|char*|SvPV_nolen|SV* sv |
| 879 |
|
|
Returns a pointer to the string in the SV, or a stringified form of |
| 880 |
|
|
the SV if the SV does not contain a string. The SV may cache the |
| 881 |
|
|
stringified form becoming C<SvPOK>. Handles 'get' magic. |
| 882 |
|
|
|
| 883 |
|
|
=for apidoc Am|IV|SvIV|SV* sv |
| 884 |
|
|
Coerces the given SV to an integer and returns it. See C<SvIVx> for a |
| 885 |
|
|
version which guarantees to evaluate sv only once. |
| 886 |
|
|
|
| 887 |
|
|
=for apidoc Am|IV|SvIVx|SV* sv |
| 888 |
|
|
Coerces the given SV to an integer and returns it. Guarantees to evaluate |
| 889 |
|
|
sv only once. Use the more efficient C<SvIV> otherwise. |
| 890 |
|
|
|
| 891 |
|
|
=for apidoc Am|NV|SvNV|SV* sv |
| 892 |
|
|
Coerce the given SV to a double and return it. See C<SvNVx> for a version |
| 893 |
|
|
which guarantees to evaluate sv only once. |
| 894 |
|
|
|
| 895 |
|
|
=for apidoc Am|NV|SvNVx|SV* sv |
| 896 |
|
|
Coerces the given SV to a double and returns it. Guarantees to evaluate |
| 897 |
|
|
sv only once. Use the more efficient C<SvNV> otherwise. |
| 898 |
|
|
|
| 899 |
|
|
=for apidoc Am|UV|SvUV|SV* sv |
| 900 |
|
|
Coerces the given SV to an unsigned integer and returns it. See C<SvUVx> |
| 901 |
|
|
for a version which guarantees to evaluate sv only once. |
| 902 |
|
|
|
| 903 |
|
|
=for apidoc Am|UV|SvUVx|SV* sv |
| 904 |
|
|
Coerces the given SV to an unsigned integer and returns it. Guarantees to |
| 905 |
|
|
evaluate sv only once. Use the more efficient C<SvUV> otherwise. |
| 906 |
|
|
|
| 907 |
|
|
=for apidoc Am|bool|SvTRUE|SV* sv |
| 908 |
|
|
Returns a boolean indicating whether Perl would evaluate the SV as true or |
| 909 |
|
|
false, defined or undefined. Does not handle 'get' magic. |
| 910 |
|
|
|
| 911 |
|
|
=for apidoc Am|char*|SvPVutf8_force|SV* sv|STRLEN len |
| 912 |
|
|
Like C<SvPV_force>, but converts sv to utf8 first if necessary. |
| 913 |
|
|
|
| 914 |
|
|
=for apidoc Am|char*|SvPVutf8|SV* sv|STRLEN len |
| 915 |
|
|
Like C<SvPV>, but converts sv to utf8 first if necessary. |
| 916 |
|
|
|
| 917 |
|
|
=for apidoc Am|char*|SvPVutf8_nolen|SV* sv |
| 918 |
|
|
Like C<SvPV_nolen>, but converts sv to utf8 first if necessary. |
| 919 |
|
|
|
| 920 |
|
|
=for apidoc Am|char*|SvPVbyte_force|SV* sv|STRLEN len |
| 921 |
|
|
Like C<SvPV_force>, but converts sv to byte representation first if necessary. |
| 922 |
|
|
|
| 923 |
|
|
=for apidoc Am|char*|SvPVbyte|SV* sv|STRLEN len |
| 924 |
|
|
Like C<SvPV>, but converts sv to byte representation first if necessary. |
| 925 |
|
|
|
| 926 |
|
|
=for apidoc Am|char*|SvPVbyte_nolen|SV* sv |
| 927 |
|
|
Like C<SvPV_nolen>, but converts sv to byte representation first if necessary. |
| 928 |
|
|
|
| 929 |
|
|
=for apidoc Am|char*|SvPVutf8x_force|SV* sv|STRLEN len |
| 930 |
|
|
Like C<SvPV_force>, but converts sv to utf8 first if necessary. |
| 931 |
|
|
Guarantees to evaluate sv only once; use the more efficient C<SvPVutf8_force> |
| 932 |
|
|
otherwise. |
| 933 |
|
|
|
| 934 |
|
|
=for apidoc Am|char*|SvPVutf8x|SV* sv|STRLEN len |
| 935 |
|
|
Like C<SvPV>, but converts sv to utf8 first if necessary. |
| 936 |
|
|
Guarantees to evaluate sv only once; use the more efficient C<SvPVutf8> |
| 937 |
|
|
otherwise. |
| 938 |
|
|
|
| 939 |
|
|
=for apidoc Am|char*|SvPVbytex_force|SV* sv|STRLEN len |
| 940 |
|
|
Like C<SvPV_force>, but converts sv to byte representation first if necessary. |
| 941 |
|
|
Guarantees to evaluate sv only once; use the more efficient C<SvPVbyte_force> |
| 942 |
|
|
otherwise. |
| 943 |
|
|
|
| 944 |
|
|
=for apidoc Am|char*|SvPVbytex|SV* sv|STRLEN len |
| 945 |
|
|
Like C<SvPV>, but converts sv to byte representation first if necessary. |
| 946 |
|
|
Guarantees to evaluate sv only once; use the more efficient C<SvPVbyte> |
| 947 |
|
|
otherwise. |
| 948 |
|
|
|
| 949 |
|
|
=for apidoc Am|bool|SvIsCOW|SV* sv |
| 950 |
|
|
Returns a boolean indicating whether the SV is Copy-On-Write. (either shared |
| 951 |
|
|
hash key scalars, or full Copy On Write scalars if 5.9.0 is configured for |
| 952 |
|
|
COW) |
| 953 |
|
|
|
| 954 |
|
|
=for apidoc Am|bool|SvIsCOW_shared_hash|SV* sv |
| 955 |
|
|
Returns a boolean indicating whether the SV is Copy-On-Write shared hash key |
| 956 |
|
|
scalar. |
| 957 |
|
|
|
| 958 |
|
|
=for apidoc Am|void|sv_catpvn_nomg|SV* sv|const char* ptr|STRLEN len |
| 959 |
|
|
Like C<sv_catpvn> but doesn't process magic. |
| 960 |
|
|
|
| 961 |
|
|
=for apidoc Am|void|sv_setsv_nomg|SV* dsv|SV* ssv |
| 962 |
|
|
Like C<sv_setsv> but doesn't process magic. |
| 963 |
|
|
|
| 964 |
|
|
=for apidoc Am|void|sv_catsv_nomg|SV* dsv|SV* ssv |
| 965 |
|
|
Like C<sv_catsv> but doesn't process magic. |
| 966 |
|
|
|
| 967 |
|
|
=cut |
| 968 |
|
|
*/ |
| 969 |
|
|
|
| 970 |
|
|
/* Let us hope that bitmaps for UV and IV are the same */ |
| 971 |
|
|
#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) |
| 972 |
|
|
#define SvUV(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv(sv)) |
| 973 |
|
|
#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)) |
| 974 |
|
|
|
| 975 |
|
|
/* ----*/ |
| 976 |
|
|
|
| 977 |
|
|
#define SvPV(sv, lp) SvPV_flags(sv, lp, SV_GMAGIC) |
| 978 |
|
|
|
| 979 |
|
|
#define SvPV_flags(sv, lp, flags) \ |
| 980 |
|
|
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ |
| 981 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv_flags(sv, &lp, flags)) |
| 982 |
|
|
|
| 983 |
|
|
#define SvPV_force(sv, lp) SvPV_force_flags(sv, lp, SV_GMAGIC) |
| 984 |
|
|
|
| 985 |
|
|
#define SvPV_force_nomg(sv, lp) SvPV_force_flags(sv, lp, 0) |
| 986 |
|
|
|
| 987 |
|
|
#define SvPV_force_flags(sv, lp, flags) \ |
| 988 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \ |
| 989 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force_flags(sv, &lp, flags)) |
| 990 |
|
|
|
| 991 |
|
|
#define SvPV_nolen(sv) \ |
| 992 |
|
|
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ |
| 993 |
|
|
? SvPVX(sv) : sv_2pv_nolen(sv)) |
| 994 |
|
|
|
| 995 |
|
|
#define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0) |
| 996 |
|
|
|
| 997 |
|
|
/* ----*/ |
| 998 |
|
|
|
| 999 |
|
|
#define SvPVutf8(sv, lp) \ |
| 1000 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \ |
| 1001 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp)) |
| 1002 |
|
|
|
| 1003 |
|
|
#define SvPVutf8_force(sv, lp) \ |
| 1004 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK|SVf_UTF8) \ |
| 1005 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp)) |
| 1006 |
|
|
|
| 1007 |
|
|
|
| 1008 |
|
|
#define SvPVutf8_nolen(sv) \ |
| 1009 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\ |
| 1010 |
|
|
? SvPVX(sv) : sv_2pvutf8_nolen(sv)) |
| 1011 |
|
|
|
| 1012 |
|
|
/* ----*/ |
| 1013 |
|
|
|
| 1014 |
|
|
#define SvPVbyte(sv, lp) \ |
| 1015 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \ |
| 1016 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvbyte(sv, &lp)) |
| 1017 |
|
|
|
| 1018 |
|
|
#define SvPVbyte_force(sv, lp) \ |
| 1019 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8|SVf_THINKFIRST)) == (SVf_POK) \ |
| 1020 |
|
|
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvbyten_force(sv, &lp)) |
| 1021 |
|
|
|
| 1022 |
|
|
#define SvPVbyte_nolen(sv) \ |
| 1023 |
|
|
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\ |
| 1024 |
|
|
? SvPVX(sv) : sv_2pvbyte_nolen(sv)) |
| 1025 |
|
|
|
| 1026 |
|
|
|
| 1027 |
|
|
|
| 1028 |
|
|
/* define FOOx(): idempotent versions of FOO(). If possible, use a local |
| 1029 |
|
|
* var to evaluate the arg once; failing that, use a global if possible; |
| 1030 |
|
|
* failing that, call a function to do the work |
| 1031 |
|
|
*/ |
| 1032 |
|
|
|
| 1033 |
|
|
#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp) |
| 1034 |
|
|
#define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp) |
| 1035 |
|
|
#define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp) |
| 1036 |
|
|
|
| 1037 |
|
|
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) |
| 1038 |
|
|
|
| 1039 |
|
|
# define SvIVx(sv) ({SV *_sv = (SV*)(sv); SvIV(_sv); }) |
| 1040 |
|
|
# define SvUVx(sv) ({SV *_sv = (SV*)(sv); SvUV(_sv); }) |
| 1041 |
|
|
# define SvNVx(sv) ({SV *_sv = (SV*)(sv); SvNV(_sv); }) |
| 1042 |
|
|
# define SvPVx(sv, lp) ({SV *_sv = (sv); SvPV(_sv, lp); }) |
| 1043 |
|
|
# define SvPVutf8x(sv, lp) ({SV *_sv = (sv); SvPVutf8(_sv, lp); }) |
| 1044 |
|
|
# define SvPVbytex(sv, lp) ({SV *_sv = (sv); SvPVbyte(_sv, lp); }) |
| 1045 |
|
|
# define SvTRUE(sv) ( \ |
| 1046 |
|
|
!sv \ |
| 1047 |
|
|
? 0 \ |
| 1048 |
|
|
: SvPOK(sv) \ |
| 1049 |
|
|
? (({XPV *nxpv = (XPV*)SvANY(sv); \ |
| 1050 |
|
|
nxpv && \ |
| 1051 |
|
|
(nxpv->xpv_cur > 1 || \ |
| 1052 |
|
|
(nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \ |
| 1053 |
|
|
? 1 \ |
| 1054 |
|
|
: 0) \ |
| 1055 |
|
|
: \ |
| 1056 |
|
|
SvIOK(sv) \ |
| 1057 |
|
|
? SvIVX(sv) != 0 \ |
| 1058 |
|
|
: SvNOK(sv) \ |
| 1059 |
|
|
? SvNVX(sv) != 0.0 \ |
| 1060 |
|
|
: sv_2bool(sv) ) |
| 1061 |
|
|
# define SvTRUEx(sv) ({SV *_sv = (sv); SvTRUE(_sv); }) |
| 1062 |
|
|
|
| 1063 |
|
|
#else /* __GNUC__ */ |
| 1064 |
|
|
|
| 1065 |
|
|
# ifdef USE_5005THREADS |
| 1066 |
|
|
# define SvIVx(sv) sv_iv(sv) |
| 1067 |
|
|
# define SvUVx(sv) sv_uv(sv) |
| 1068 |
|
|
# define SvNVx(sv) sv_nv(sv) |
| 1069 |
|
|
# define SvPVx(sv, lp) sv_pvn(sv, &lp) |
| 1070 |
|
|
# define SvPVutf8x(sv, lp) sv_pvutf8n(sv, &lp) |
| 1071 |
|
|
# define SvPVbytex(sv, lp) sv_pvbyten(sv, &lp) |
| 1072 |
|
|
# define SvTRUE(sv) SvTRUEx(sv) |
| 1073 |
|
|
# define SvTRUEx(sv) sv_true(sv) |
| 1074 |
|
|
|
| 1075 |
|
|
# else /* USE_5005THREADS */ |
| 1076 |
|
|
|
| 1077 |
|
|
/* These inlined macros use globals, which will require a thread |
| 1078 |
|
|
* declaration in user code, so we avoid them under threads */ |
| 1079 |
|
|
|
| 1080 |
|
|
# define SvIVx(sv) ((PL_Sv = (sv)), SvIV(PL_Sv)) |
| 1081 |
|
|
# define SvUVx(sv) ((PL_Sv = (sv)), SvUV(PL_Sv)) |
| 1082 |
|
|
# define SvNVx(sv) ((PL_Sv = (sv)), SvNV(PL_Sv)) |
| 1083 |
|
|
# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp)) |
| 1084 |
|
|
# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp)) |
| 1085 |
|
|
# define SvPVbytex(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp)) |
| 1086 |
|
|
# define SvTRUE(sv) ( \ |
| 1087 |
|
|
!sv \ |
| 1088 |
|
|
? 0 \ |
| 1089 |
|
|
: SvPOK(sv) \ |
| 1090 |
|
|
? ((PL_Xpv = (XPV*)SvANY(sv)) && \ |
| 1091 |
|
|
(PL_Xpv->xpv_cur > 1 || \ |
| 1092 |
|
|
(PL_Xpv->xpv_cur && *PL_Xpv->xpv_pv != '0')) \ |
| 1093 |
|
|
? 1 \ |
| 1094 |
|
|
: 0) \ |
| 1095 |
|
|
: \ |
| 1096 |
|
|
SvIOK(sv) \ |
| 1097 |
|
|
? SvIVX(sv) != 0 \ |
| 1098 |
|
|
: SvNOK(sv) \ |
| 1099 |
|
|
? SvNVX(sv) != 0.0 \ |
| 1100 |
|
|
: sv_2bool(sv) ) |
| 1101 |
|
|
# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv)) |
| 1102 |
|
|
# endif /* USE_5005THREADS */ |
| 1103 |
|
|
#endif /* __GNU__ */ |
| 1104 |
|
|
|
| 1105 |
|
|
#define SvIsCOW(sv) ((SvFLAGS(sv) & (SVf_FAKE | SVf_READONLY)) == \ |
| 1106 |
|
|
(SVf_FAKE | SVf_READONLY)) |
| 1107 |
|
|
#define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0) |
| 1108 |
|
|
|
| 1109 |
|
|
/* flag values for sv_*_flags functions */ |
| 1110 |
|
|
#define SV_IMMEDIATE_UNREF 1 |
| 1111 |
|
|
#define SV_GMAGIC 2 |
| 1112 |
|
|
#define SV_COW_DROP_PV 4 /* Unused in Perl 5.8.x */ |
| 1113 |
|
|
#define SV_UTF8_NO_ENCODING 8 |
| 1114 |
|
|
#define SV_NOSTEAL 16 |
| 1115 |
|
|
|
| 1116 |
|
|
/* all these 'functions' are now just macros */ |
| 1117 |
|
|
|
| 1118 |
|
|
#define sv_pv(sv) SvPV_nolen(sv) |
| 1119 |
|
|
#define sv_pvutf8(sv) SvPVutf8_nolen(sv) |
| 1120 |
|
|
#define sv_pvbyte(sv) SvPVbyte_nolen(sv) |
| 1121 |
|
|
|
| 1122 |
|
|
#define sv_pvn_force_nomg(sv, lp) sv_pvn_force_flags(sv, lp, 0) |
| 1123 |
|
|
#define sv_utf8_upgrade_nomg(sv) sv_utf8_upgrade_flags(sv, 0) |
| 1124 |
|
|
#define sv_catpvn_nomg(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, 0) |
| 1125 |
|
|
#define sv_setsv(dsv, ssv) sv_setsv_flags(dsv, ssv, SV_GMAGIC) |
| 1126 |
|
|
#define sv_setsv_nomg(dsv, ssv) sv_setsv_flags(dsv, ssv, 0) |
| 1127 |
|
|
#define sv_catsv(dsv, ssv) sv_catsv_flags(dsv, ssv, SV_GMAGIC) |
| 1128 |
|
|
#define sv_catsv_nomg(dsv, ssv) sv_catsv_flags(dsv, ssv, 0) |
| 1129 |
|
|
#define sv_catpvn(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC) |
| 1130 |
|
|
#define sv_2pv(sv, lp) sv_2pv_flags(sv, lp, SV_GMAGIC) |
| 1131 |
|
|
#define sv_2pv_nomg(sv, lp) sv_2pv_flags(sv, lp, 0) |
| 1132 |
|
|
#define sv_pvn_force(sv, lp) sv_pvn_force_flags(sv, lp, SV_GMAGIC) |
| 1133 |
|
|
#define sv_utf8_upgrade(sv) sv_utf8_upgrade_flags(sv, SV_GMAGIC) |
| 1134 |
|
|
|
| 1135 |
|
|
/* Should be named SvCatPVN_utf8_upgrade? */ |
| 1136 |
|
|
#define sv_catpvn_utf8_upgrade(dsv, sstr, slen, nsv) \ |
| 1137 |
|
|
STMT_START { \ |
| 1138 |
|
|
if (!(nsv)) \ |
| 1139 |
|
|
nsv = sv_2mortal(newSVpvn(sstr, slen)); \ |
| 1140 |
|
|
else \ |
| 1141 |
|
|
sv_setpvn(nsv, sstr, slen); \ |
| 1142 |
|
|
SvUTF8_off(nsv); \ |
| 1143 |
|
|
sv_utf8_upgrade(nsv); \ |
| 1144 |
|
|
sv_catsv(dsv, nsv); \ |
| 1145 |
|
|
} STMT_END |
| 1146 |
|
|
|
| 1147 |
|
|
/* |
| 1148 |
|
|
=for apidoc Am|SV*|newRV_inc|SV* sv |
| 1149 |
|
|
|
| 1150 |
|
|
Creates an RV wrapper for an SV. The reference count for the original SV is |
| 1151 |
|
|
incremented. |
| 1152 |
|
|
|
| 1153 |
|
|
=cut |
| 1154 |
|
|
*/ |
| 1155 |
|
|
|
| 1156 |
|
|
#define newRV_inc(sv) newRV(sv) |
| 1157 |
|
|
|
| 1158 |
|
|
/* the following macros update any magic values this sv is associated with */ |
| 1159 |
|
|
|
| 1160 |
|
|
/* |
| 1161 |
|
|
=head1 Magical Functions |
| 1162 |
|
|
|
| 1163 |
|
|
=for apidoc Am|void|SvGETMAGIC|SV* sv |
| 1164 |
|
|
Invokes C<mg_get> on an SV if it has 'get' magic. This macro evaluates its |
| 1165 |
|
|
argument more than once. |
| 1166 |
|
|
|
| 1167 |
|
|
=for apidoc Am|void|SvSETMAGIC|SV* sv |
| 1168 |
|
|
Invokes C<mg_set> on an SV if it has 'set' magic. This macro evaluates its |
| 1169 |
|
|
argument more than once. |
| 1170 |
|
|
|
| 1171 |
|
|
=for apidoc Am|void|SvSetSV|SV* dsb|SV* ssv |
| 1172 |
|
|
Calls C<sv_setsv> if dsv is not the same as ssv. May evaluate arguments |
| 1173 |
|
|
more than once. |
| 1174 |
|
|
|
| 1175 |
|
|
=for apidoc Am|void|SvSetSV_nosteal|SV* dsv|SV* ssv |
| 1176 |
|
|
Calls a non-destructive version of C<sv_setsv> if dsv is not the same as |
| 1177 |
|
|
ssv. May evaluate arguments more than once. |
| 1178 |
|
|
|
| 1179 |
|
|
=for apidoc Am|void|SvSetMagicSV|SV* dsb|SV* ssv |
| 1180 |
|
|
Like C<SvSetSV>, but does any set magic required afterwards. |
| 1181 |
|
|
|
| 1182 |
|
|
=for apidoc Am|void|SvSetMagicSV_nosteal|SV* dsv|SV* ssv |
| 1183 |
|
|
Like C<SvSetSV_nosteal>, but does any set magic required afterwards. |
| 1184 |
|
|
|
| 1185 |
|
|
=for apidoc Am|void|SvSHARE|SV* sv |
| 1186 |
|
|
Arranges for sv to be shared between threads if a suitable module |
| 1187 |
|
|
has been loaded. |
| 1188 |
|
|
|
| 1189 |
|
|
=for apidoc Am|void|SvLOCK|SV* sv |
| 1190 |
|
|
Arranges for a mutual exclusion lock to be obtained on sv if a suitable module |
| 1191 |
|
|
has been loaded. |
| 1192 |
|
|
|
| 1193 |
|
|
=for apidoc Am|void|SvUNLOCK|SV* sv |
| 1194 |
|
|
Releases a mutual exclusion lock on sv if a suitable module |
| 1195 |
|
|
has been loaded. |
| 1196 |
|
|
|
| 1197 |
|
|
=head1 SV Manipulation Functions |
| 1198 |
|
|
|
| 1199 |
|
|
=for apidoc Am|char *|SvGROW|SV* sv|STRLEN len |
| 1200 |
|
|
Expands the character buffer in the SV so that it has room for the |
| 1201 |
|
|
indicated number of bytes (remember to reserve space for an extra trailing |
| 1202 |
|
|
NUL character). Calls C<sv_grow> to perform the expansion if necessary. |
| 1203 |
|
|
Returns a pointer to the character buffer. |
| 1204 |
|
|
|
| 1205 |
|
|
=cut |
| 1206 |
|
|
*/ |
| 1207 |
|
|
|
| 1208 |
|
|
#define SvSHARE(sv) CALL_FPTR(PL_sharehook)(aTHX_ sv) |
| 1209 |
|
|
#define SvLOCK(sv) CALL_FPTR(PL_lockhook)(aTHX_ sv) |
| 1210 |
|
|
#define SvUNLOCK(sv) CALL_FPTR(PL_unlockhook)(aTHX_ sv) |
| 1211 |
|
|
|
| 1212 |
|
|
#define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END |
| 1213 |
|
|
#define SvSETMAGIC(x) STMT_START { if (SvSMAGICAL(x)) mg_set(x); } STMT_END |
| 1214 |
|
|
|
| 1215 |
|
|
#define SvSetSV_and(dst,src,finally) \ |
| 1216 |
|
|
STMT_START { \ |
| 1217 |
|
|
if ((dst) != (src)) { \ |
| 1218 |
|
|
sv_setsv(dst, src); \ |
| 1219 |
|
|
finally; \ |
| 1220 |
|
|
} \ |
| 1221 |
|
|
} STMT_END |
| 1222 |
|
|
#define SvSetSV_nosteal_and(dst,src,finally) \ |
| 1223 |
|
|
STMT_START { \ |
| 1224 |
|
|
if ((dst) != (src)) { \ |
| 1225 |
|
|
sv_setsv_flags(dst, src, SV_GMAGIC | SV_NOSTEAL); \ |
| 1226 |
|
|
finally; \ |
| 1227 |
|
|
} \ |
| 1228 |
|
|
} STMT_END |
| 1229 |
|
|
|
| 1230 |
|
|
#define SvSetSV(dst,src) \ |
| 1231 |
|
|
SvSetSV_and(dst,src,/*nothing*/;) |
| 1232 |
|
|
#define SvSetSV_nosteal(dst,src) \ |
| 1233 |
|
|
SvSetSV_nosteal_and(dst,src,/*nothing*/;) |
| 1234 |
|
|
|
| 1235 |
|
|
#define SvSetMagicSV(dst,src) \ |
| 1236 |
|
|
SvSetSV_and(dst,src,SvSETMAGIC(dst)) |
| 1237 |
|
|
#define SvSetMagicSV_nosteal(dst,src) \ |
| 1238 |
|
|
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst)) |
| 1239 |
|
|
|
| 1240 |
|
|
|
| 1241 |
|
|
#if !defined(SKIP_DEBUGGING) |
| 1242 |
|
|
#define SvPEEK(sv) sv_peek(sv) |
| 1243 |
|
|
#else |
| 1244 |
|
|
#define SvPEEK(sv) "" |
| 1245 |
|
|
#endif |
| 1246 |
|
|
|
| 1247 |
|
|
#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no || (sv)==&PL_sv_placeholder) |
| 1248 |
|
|
|
| 1249 |
|
|
#define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no) |
| 1250 |
|
|
|
| 1251 |
|
|
#define isGV(sv) (SvTYPE(sv) == SVt_PVGV) |
| 1252 |
|
|
|
| 1253 |
|
|
#define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv)) |
| 1254 |
|
|
#define Sv_Grow sv_grow |
| 1255 |
|
|
|
| 1256 |
|
|
#define CLONEf_COPY_STACKS 1 |
| 1257 |
|
|
#define CLONEf_KEEP_PTR_TABLE 2 |
| 1258 |
|
|
#define CLONEf_CLONE_HOST 4 |
| 1259 |
|
|
#define CLONEf_JOIN_IN 8 |
| 1260 |
|
|
|
| 1261 |
|
|
struct clone_params { |
| 1262 |
|
|
AV* stashes; |
| 1263 |
|
|
UV flags; |
| 1264 |
|
|
PerlInterpreter *proto_perl; |
| 1265 |
|
|
}; |
| 1266 |
|
|
|
| 1267 |
|
|
#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv) |
