X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=cv.h;h=3924c839f40061eeacdfe7ecc71885c3cd50700d;hb=404c68920bc89ad702536fbd16b3bceafd287acb;hp=ada2e4df3eca1d86cae26990abe276bb938a0dc9;hpb=eeb8d49e03ea8546042df7d6382f30f100395536;p=p5sagit%2Fp5-mst-13.2.git diff --git a/cv.h b/cv.h index ada2e4d..3924c83 100644 --- a/cv.h +++ b/cv.h @@ -1,44 +1,98 @@ /* cv.h * - * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, - * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others + * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, + * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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. * */ -/* This structure must match XPVCV in B/C.pm and the beginning of XPVFM - * in sv.h */ +/* This structure must the beginning of XPVFM in sv.h */ struct xpvcv { - NV xnv_nv; /* numeric value, if any */ + union { + NV xnv_nv; /* numeric value, if any */ + HV * xgv_stash; + struct { + U32 xlow; + U32 xhigh; + } xpad_cop_seq; /* used by pad.c for cop_sequence */ + struct { + U32 xbm_previous; /* how many characters in string before rare? */ + U8 xbm_flags; + U8 xbm_rare; /* rarest character in string */ + } xbm_s; /* fields from PVBM */ + } xnv_u; STRLEN xpv_cur; /* length of xp_pv as a C string */ STRLEN xpv_len; /* allocated size */ union { - IV xivu_iv; /* integer value or pv offset */ + IV xivu_iv; UV xivu_uv; void * xivu_p1; + I32 xivu_i32; /* depth, >= 2 indicates recursive call */ + HEK * xivu_namehek; } xiv_u; - MAGIC* xmg_magic; /* magic for scalar array */ + union { + MAGIC* xmg_magic; /* linked list of magicalness */ + HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */ + } xmg_u; HV* xmg_stash; /* class package */ HV * xcv_stash; - OP * xcv_start; - OP * xcv_root; - void (*xcv_xsub) (pTHX_ CV*); - ANY xcv_xsubany; + union { + OP * xcv_start; + ANY xcv_xsubany; + } xcv_start_u; + union { + OP * xcv_root; + void (*xcv_xsub) (pTHX_ CV*); + } xcv_root_u; GV * xcv_gv; char * xcv_file; - long xcv_depth; /* >= 2 indicates recursive call */ PADLIST * xcv_padlist; CV * xcv_outside; - cv_flags_t xcv_flags; U32 xcv_outside_seq; /* the COP sequence (at the point of our * compilation) in the lexically enclosing * sub */ + cv_flags_t xcv_flags; }; +typedef struct { + STRLEN xpv_cur; /* length of xp_pv as a C string */ + STRLEN xpv_len; /* allocated size */ + union { + IV xivu_iv; + UV xivu_uv; + void * xivu_p1; + I32 xivu_i32; /* depth, >= 2 indicates recursive call */ + HEK * xivu_namehek; + } xiv_u; + union { + MAGIC* xmg_magic; /* linked list of magicalness */ + HV* xmg_ourstash; /* Stash for our (when SvPAD_OUR is true) */ + } xmg_u; + HV* xmg_stash; /* class package */ + + HV * xcv_stash; + union { + OP * xcv_start; + ANY xcv_xsubany; + } xcv_start_u; + union { + OP * xcv_root; + void (*xcv_xsub) (pTHX_ CV*); + } xcv_root_u; + GV * xcv_gv; + char * xcv_file; + PADLIST * xcv_padlist; + CV * xcv_outside; + U32 xcv_outside_seq; /* the COP sequence (at the point of our + * compilation) in the lexically enclosing + * sub */ + cv_flags_t xcv_flags; +} xpvcv_allocated; + /* =head1 Handy Values @@ -56,10 +110,10 @@ Returns the stash of the CV. #define Nullcv Null(CV*) #define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash -#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start -#define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root -#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_xsub -#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_xsubany +#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start_u.xcv_start +#define CvROOT(sv) ((XPVCV*)SvANY(sv))->xcv_root_u.xcv_root +#define CvXSUB(sv) ((XPVCV*)SvANY(sv))->xcv_root_u.xcv_xsub +#define CvXSUBANY(sv) ((XPVCV*)SvANY(sv))->xcv_start_u.xcv_xsubany #define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv #define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file #ifdef USE_ITHREADS @@ -68,28 +122,35 @@ Returns the stash of the CV. # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = CopFILE(cop)) #endif #define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv))) -#define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xcv_depth +#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) +# define CvDEPTH(sv) (*({const CV *_cv = (CV *)sv; \ + assert(SvTYPE(_cv) == SVt_PVCV || \ + SvTYPE(_cv) == SVt_PVFM); \ + &((XPVCV*)SvANY(_cv))->xiv_u.xivu_i32; \ + })) +#else +# define CvDEPTH(sv) ((XPVCV*)SvANY(sv))->xiv_u.xivu_i32 +#endif #define CvPADLIST(sv) ((XPVCV*)SvANY(sv))->xcv_padlist #define CvOUTSIDE(sv) ((XPVCV*)SvANY(sv))->xcv_outside #define CvFLAGS(sv) ((XPVCV*)SvANY(sv))->xcv_flags #define CvOUTSIDE_SEQ(sv) ((XPVCV*)SvANY(sv))->xcv_outside_seq -#define CVf_CLONE 0x0001 /* anon CV uses external lexicals */ -#define CVf_CLONED 0x0002 /* a clone of one of those */ -#define CVf_ANON 0x0004 /* CvGV() can't be trusted */ -#define CVf_OLDSTYLE 0x0008 -#define CVf_UNIQUE 0x0010 /* sub is only called once (eg PL_main_cv, - * require, eval). Not to be confused - * with the GVf_UNIQUE flag associated - * with the :unique attribute */ -#define CVf_NODEBUG 0x0020 /* no DB::sub indirection for this CV +#define CVf_METHOD 0x0001 /* CV is explicitly marked as a method */ +#define CVf_LOCKED 0x0002 /* CV locks itself or first arg on entry */ +#define CVf_LVALUE 0x0004 /* CV return value can be used as lvalue */ +#define CVf_ASSERTION 0x0008 /* CV called only when asserting */ + +#define CVf_WEAKOUTSIDE 0x0010 /* CvOUTSIDE isn't ref counted */ +#define CVf_CLONE 0x0020 /* anon CV uses external lexicals */ +#define CVf_CLONED 0x0040 /* a clone of one of those */ +#define CVf_ANON 0x0080 /* CvGV() can't be trusted */ +#define CVf_UNIQUE 0x0100 /* sub is only called once (eg PL_main_cv, + * require, eval). */ +#define CVf_NODEBUG 0x0200 /* no DB::sub indirection for this CV (esp. useful for special XSUBs) */ -#define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */ -#define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */ -#define CVf_LVALUE 0x0100 /* CV return value can be used as lvalue */ -#define CVf_CONST 0x0200 /* inlinable sub */ -#define CVf_WEAKOUTSIDE 0x0400 /* CvOUTSIDE isn't ref counted */ -#define CVf_ASSERTION 0x0800 /* CV called only when asserting */ +#define CVf_CONST 0x0400 /* inlinable sub */ +#define CVf_ISXSUB 0x0800 /* CV is an XSUB, not pure perl. */ /* This symbol for optimised communication between toke.c and op.c: */ #define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LOCKED|CVf_LVALUE|CVf_ASSERTION) @@ -106,12 +167,6 @@ Returns the stash of the CV. #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON) #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON) -#ifdef PERL_XSUB_OLDSTYLE -#define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE) -#define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE) -#define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE) -#endif - #define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE) #define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE) #define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE) @@ -140,7 +195,7 @@ Returns the stash of the CV. #define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv)) #define CvEVAL_off(cv) CvUNIQUE_off(cv) -/* BEGIN|CHECK|INIT|END */ +/* BEGIN|CHECK|INIT|UNITCHECK|END */ #define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv)) #define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv)) #define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv)) @@ -153,6 +208,12 @@ Returns the stash of the CV. #define CvWEAKOUTSIDE_on(cv) (CvFLAGS(cv) |= CVf_WEAKOUTSIDE) #define CvWEAKOUTSIDE_off(cv) (CvFLAGS(cv) &= ~CVf_WEAKOUTSIDE) +#define CvISXSUB(cv) (CvFLAGS(cv) & CVf_ISXSUB) +#define CvISXSUB_on(cv) (CvFLAGS(cv) |= CVf_ISXSUB) +#define CvISXSUB_off(cv) (CvFLAGS(cv) &= ~CVf_ISXSUB) + +/* Flags for newXS_flags */ +#define XS_DYNAMIC_FILENAME 0x01 /* The filename isn't static */ /* =head1 CV reference counts and CvOUTSIDE