X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/bf53b3a5f249ae2a059ca8014f7a62d301c554bc..191ad7eff570fc96c93993e4358f83e2033365d6:/cv.h diff --git a/cv.h b/cv.h index d082146..290019d 100644 --- a/cv.h +++ b/cv.h @@ -1,7 +1,7 @@ /* cv.h * - * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, - * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others + * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 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. @@ -11,33 +11,9 @@ /* This structure must the beginning of XPVFM in sv.h */ struct xpvcv { - NV xnv_nv; /* numeric value, if any */ - 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 */ - UV xivu_uv; - void * xivu_p1; - } xiv_u; - MAGIC* xmg_magic; /* magic for scalar array */ - HV* xmg_stash; /* class package */ - - HV * xcv_stash; - union { - OP * xcv_start; - ANY xcv_xsubany; - } xcv_start_u; - OP * xcv_root; - void (*xcv_xsub) (pTHX_ CV*); - 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 */ + _XPV_HEAD; + _XPVMG_HEAD; + _XPVCV_COMMON; }; /* @@ -46,6 +22,8 @@ struct xpvcv { =for apidoc AmU||Nullcv Null CV pointer. +(deprecated - use C<(CV *)NULL> instead) + =head1 CV Manipulation Functions =for apidoc Am|HV*|CvSTASH|CV* cv @@ -54,47 +32,52 @@ Returns the stash of the CV. =cut */ -#define Nullcv Null(CV*) +#ifndef PERL_CORE +# define Nullcv Null(CV*) +#endif -#define CvSTASH(sv) ((XPVCV*)SvANY(sv))->xcv_stash -#define CvSTART(sv) ((XPVCV*)SvANY(sv))->xcv_start_u.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_start_u.xcv_xsubany -#define CvGV(sv) ((XPVCV*)SvANY(sv))->xcv_gv -#define CvFILE(sv) ((XPVCV*)SvANY(sv))->xcv_file +#define CvSTASH(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_stash +#define CvSTART(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_start +#define CvROOT(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_root +#define CvXSUB(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_xsub +#define CvXSUBANY(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_xsubany +#define CvGV(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv +#define CvFILE(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_file #ifdef USE_ITHREADS # define CvFILE_set_from_cop(sv, cop) (CvFILE(sv) = savepv(CopFILE(cop))) #else # 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 -#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 +#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) +# define CvDEPTH(sv) (*({const CV *const _cvdepth = (const CV *)sv; \ + assert(SvTYPE(_cvdepth) == SVt_PVCV); \ + &((XPVCV*)SvANY(_cvdepth))->xiv_u.xivu_i32; \ + })) +#else +# define CvDEPTH(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xiv_u.xivu_i32 +#endif +#define CvPADLIST(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist +#define CvOUTSIDE(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside +#define CvFLAGS(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_flags +#define CvOUTSIDE_SEQ(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside_seq #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). Not to be confused - * with the GVf_UNIQUE flag associated - * with the :unique attribute */ + * require, eval). */ #define CVf_NODEBUG 0x0200 /* no DB::sub indirection for this CV (esp. useful for special XSUBs) */ #define CVf_CONST 0x0400 /* inlinable sub */ -#define CVf_OLDSTYLE 0x0800 +#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) +#define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LVALUE) #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE) #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE) @@ -108,12 +91,6 @@ 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) @@ -126,23 +103,15 @@ Returns the stash of the CV. #define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD) #define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD) -#define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED) -#define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED) -#define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED) - #define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE) #define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE) #define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE) -#define CvASSERTION(cv) (CvFLAGS(cv) & CVf_ASSERTION) -#define CvASSERTION_on(cv) (CvFLAGS(cv) |= CVf_ASSERTION) -#define CvASSERTION_off(cv) (CvFLAGS(cv) &= ~CVf_ASSERTION) - #define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(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)) @@ -155,7 +124,13 @@ 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) (CvXSUB(cv) ? TRUE : FALSE) +#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