X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=op.h;h=7896b8fca7695cfd14cdc32a0cd418cb69a14b16;hb=fd7b6849d7cf47f2fe101ad9761adae57a573493;hp=a2e8429d9d848d686a21702baf2364c5abc6e53b;hpb=743e66e61aecff1c9998bd0ff719a1d679b03e9f;p=p5sagit%2Fp5-mst-13.2.git diff --git a/op.h b/op.h index a2e8429..7896b8f 100644 --- a/op.h +++ b/op.h @@ -1,6 +1,6 @@ /* op.h * - * Copyright (c) 1991-1999, Larry Wall + * Copyright (c) 1991-2001, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -23,7 +23,7 @@ * which may or may not check number of children). */ -typedef U32 PADOFFSET; +typedef UV PADOFFSET; #define NOT_IN_PAD ((PADOFFSET) -1) #ifdef DEBUGGING_OPS @@ -52,6 +52,20 @@ typedef U32 PADOFFSET; ((op)->op_flags & OPf_WANT) == OPf_WANT_LIST ? G_ARRAY : \ dfl) +/* +=for apidoc Amn|U32|GIMME_V +The XSUB-writer's equivalent to Perl's C. Returns C, +C or C for void, scalar or list context, +respectively. + +=for apidoc Amn|U32|GIMME +A backward-compatible version of C which can only return +C or C; in a void context, it returns C. +Deprecated. Use C instead. + +=cut +*/ + #define GIMME_V OP_GIMME(PL_op, block_gimme()) /* Public flags */ @@ -77,13 +91,16 @@ typedef U32 PADOFFSET; /* On flipflop, we saw ... instead of .. */ /* On UNOPs, saw bare parens, e.g. eof(). */ /* On OP_ENTERSUB || OP_NULL, saw a "do". */ + /* On OP_EXISTS, treat av as av, not avhv. */ /* On OP_(ENTER|LEAVE)EVAL, don't clear $@ */ /* On OP_ENTERITER, loop var is per-thread */ - /* On pushre, re is /\s+/ imp. by split " " */ + /* On pushre, re is /\s+/ imp. by split " " */ + /* On regcomp, "use re 'eval'" was in scope */ /* old names; don't use in new code, but don't break them, either */ #define OPf_LIST OPf_WANT_LIST #define OPf_KNOW OPf_WANT + #define GIMME \ (PL_op->op_flags & OPf_WANT \ ? ((PL_op->op_flags & OPf_WANT) == OPf_WANT_LIST \ @@ -91,6 +108,9 @@ typedef U32 PADOFFSET; : G_SCALAR) \ : dowantarray()) +/* NOTE: OP_NEXTSTATE, OP_DBSTATE, and OP_SETSTATE (i.e. COPs) carry lower + * bits of PL_hints in op_private */ + /* Private for lvalues */ #define OPpLVAL_INTRO 128 /* Lvalue must be localized or lvalue sub */ @@ -99,6 +119,7 @@ typedef U32 PADOFFSET; /* Private for OP_AASSIGN */ #define OPpASSIGN_COMMON 64 /* Left & right have syms in common. */ +#define OPpASSIGN_HASH 32 /* Assigning to possible pseudohash. */ /* Private for OP_SASSIGN */ #define OPpASSIGN_BACKWARDS 64 /* Left & right switched. */ @@ -109,9 +130,7 @@ typedef U32 PADOFFSET; /* Private for OP_TRANS */ #define OPpTRANS_FROM_UTF 1 #define OPpTRANS_TO_UTF 2 -#define OPpTRANS_IDENTICAL 4 - /* When CU or UC, means straight latin-1 to utf-8 or vice versa */ - /* Otherwise, IDENTICAL means the right side is the same as the left */ +#define OPpTRANS_IDENTICAL 4 /* right side is same as left */ #define OPpTRANS_SQUASH 8 #define OPpTRANS_DELETE 16 #define OPpTRANS_COMPLEMENT 32 @@ -136,7 +155,11 @@ typedef U32 PADOFFSET; #define OPpEARLY_CV 32 /* foo() called before sub foo was parsed */ /* OP_?ELEM only */ #define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */ - /* for OP_RV2?V, lower bits carry hints */ + /* OP_RV2?V, OP_GVSV only */ +#define OPpOUR_INTRO 16 /* Variable was in an our() */ + /* OP_RV2[AH]V, OP_PAD[AH]V, OP_[AH]ELEM */ +#define OPpMAYBE_LVSUB 8 /* We might be an lvalue to return */ + /* for OP_RV2?V, lower bits carry hints (currently only HINT_STRICT_REFS) */ /* Private for OPs with TARGLEX */ /* (lower bits may carry MAXARG) */ @@ -158,8 +181,8 @@ typedef U32 PADOFFSET; /* Private for OP_DELETE */ #define OPpSLICE 64 /* Operating on a list of keys */ -/* Private for OP_SORT, OP_PRTF, OP_SPRINTF, string cmp'n, and case changers */ -#define OPpLOCALE 64 /* Use locale */ +/* Private for OP_EXISTS */ +#define OPpEXISTS_SUB 64 /* Checking for &sub, not {} or []. */ /* Private for OP_SORT */ #define OPpSORT_NUMERIC 1 /* Optimized away { $a <=> $b } */ @@ -168,6 +191,15 @@ typedef U32 PADOFFSET; /* Private for OP_THREADSV */ #define OPpDONE_SVREF 64 /* Been through newSVREF once */ +/* Private for OP_OPEN and OP_BACKTICK */ +#define OPpOPEN_IN_RAW 16 /* binmode(F,":raw") on input fh */ +#define OPpOPEN_IN_CRLF 32 /* binmode(F,":crlf") on input fh */ +#define OPpOPEN_OUT_RAW 64 /* binmode(F,":raw") on output fh */ +#define OPpOPEN_OUT_CRLF 128 /* binmode(F,":crlf") on output fh */ + +/* Private for OP_EXIT */ +#define OPpEXIT_VMSISH 128 /* exit(0) vs. exit(1) vmsish mode*/ + struct op { BASEOP }; @@ -193,25 +225,48 @@ struct listop { BASEOP OP * op_first; OP * op_last; - U32 op_children; }; struct pmop { BASEOP OP * op_first; OP * op_last; - U32 op_children; OP * op_pmreplroot; OP * op_pmreplstart; PMOP * op_pmnext; /* list of all scanpats */ - REGEXP * op_pmregexp; /* compiled expression */ +#ifdef USE_ITHREADS + IV op_pmoffset; +#else + REGEXP * op_pmregexp; /* compiled expression */ +#endif U16 op_pmflags; U16 op_pmpermflags; U8 op_pmdynflags; +#ifdef USE_ITHREADS + char * op_pmstashpv; +#else + HV * op_pmstash; +#endif }; +#ifdef USE_ITHREADS +#define PM_GETRE(o) (INT2PTR(REGEXP*,SvIVX(PL_regex_pad[(o)->op_pmoffset]))) +#define PM_SETRE(o,r) (sv_setiv(PL_regex_pad[(o)->op_pmoffset], PTR2IV(r))) +#define PM_GETRE_SAFE(o) (PL_regex_pad ? PM_GETRE(o) : (REGEXP*)0) +#define PM_SETRE_SAFE(o,r) if (PL_regex_pad) PM_SETRE(o,r) +#else +#define PM_GETRE(o) ((o)->op_pmregexp) +#define PM_SETRE(o,r) ((o)->op_pmregexp = (r)) +#define PM_GETRE_SAFE PM_GETRE +#define PM_SETRE_SAFE PM_SETRE +#endif + #define PMdf_USED 0x01 /* pm has been used once already */ #define PMdf_TAINTED 0x02 /* pm compiled from tainted pattern */ +#define PMdf_UTF8 0x04 /* pm compiled from utf8 data */ +#define PMdf_DYN_UTF8 0x08 + +#define PMdf_CMP_UTF8 (PMdf_UTF8|PMdf_DYN_UTF8) #define PMf_RETAINT 0x0001 /* taint $1 etc. if target tainted */ #define PMf_ONCE 0x0002 /* use pattern only once per reset */ @@ -233,6 +288,20 @@ struct pmop { /* mask of bits stored in regexp->reganch */ #define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED) +#ifdef USE_ITHREADS +# define PmopSTASHPV(o) ((o)->op_pmstashpv) +# define PmopSTASHPV_set(o,pv) ((o)->op_pmstashpv = ((pv) ? savepv(pv) : Nullch)) +# define PmopSTASH(o) (PmopSTASHPV(o) \ + ? gv_stashpv(PmopSTASHPV(o),GV_ADD) : Nullhv) +# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, (hv) ? HvNAME(hv) : Nullch) +#else +# define PmopSTASH(o) ((o)->op_pmstash) +# define PmopSTASH_set(o,hv) ((o)->op_pmstash = (hv)) +# define PmopSTASHPV(o) (PmopSTASH(o) ? HvNAME(PmopSTASH(o)) : Nullch) + /* op_pmstash is not refcounted */ +# define PmopSTASHPV_set(o,pv) PmopSTASH_set((o), gv_stashpv(pv,GV_ADD)) +#endif + struct svop { BASEOP SV * op_sv; @@ -252,7 +321,6 @@ struct loop { BASEOP OP * op_first; OP * op_last; - U32 op_children; OP * op_redoop; OP * op_nextop; OP * op_lastop; @@ -304,28 +372,31 @@ struct loop { #ifdef USE_ITHREADS -# define cGVOPx(o) ((GV*)PAD_SV(cPADOPx(o)->op_padix)) -# define cGVOP ((GV*)PAD_SV(cPADOP->op_padix)) -# define cGVOPo ((GV*)PAD_SV(cPADOPo->op_padix)) -# define kGVOP ((GV*)PAD_SV(kPADOP->op_padix)) -# define cGVOP_set(v) (PL_curpad[cPADOP->op_padix] = (SV*)(v)) -# define cGVOPo_set(v) (PL_curpad[cPADOPo->op_padix] = (SV*)(v)) -# define kGVOP_set(v) (PL_curpad[kPADOP->op_padix] = (SV*)(v)) +# define cGVOPx_gv(o) ((GV*)PL_curpad[cPADOPx(o)->op_padix]) # define IS_PADGV(v) (v && SvTYPE(v) == SVt_PVGV && GvIN_PAD(v)) +# define IS_PADCONST(v) (v && SvREADONLY(v)) +# define cSVOPx_sv(v) (cSVOPx(v)->op_sv \ + ? cSVOPx(v)->op_sv : PL_curpad[(v)->op_targ]) +# define cSVOPx_svp(v) (cSVOPx(v)->op_sv \ + ? &cSVOPx(v)->op_sv : &PL_curpad[(v)->op_targ]) #else -# define cGVOPx(o) ((GV*)cSVOPx(o)->op_sv) -# define cGVOP ((GV*)cSVOP->op_sv) -# define cGVOPo ((GV*)cSVOPo->op_sv) -# define kGVOP ((GV*)kSVOP->op_sv) -# define cGVOP_set(v) (cPADOP->op_sv = (SV*)(v)) -# define cGVOPo_set(v) (cPADOPo->op_sv = (SV*)(v)) -# define kGVOP_set(v) (kPADOP->op_sv = (SV*)(v)) +# define cGVOPx_gv(o) ((GV*)cSVOPx(o)->op_sv) # define IS_PADGV(v) FALSE +# define IS_PADCONST(v) FALSE +# define cSVOPx_sv(v) (cSVOPx(v)->op_sv) +# define cSVOPx_svp(v) (&cSVOPx(v)->op_sv) #endif +#define cGVOP_gv cGVOPx_gv(PL_op) +#define cGVOPo_gv cGVOPx_gv(o) +#define kGVOP_gv cGVOPx_gv(kid) +#define cSVOP_sv cSVOPx_sv(PL_op) +#define cSVOPo_sv cSVOPx_sv(o) +#define kSVOP_sv cSVOPx_sv(kid) + #define Nullop Null(OP*) -/* Lowest byte of PL_opargs */ +/* Lowest byte-and-a-bit of PL_opargs */ #define OA_MARK 1 #define OA_FOLDCONST 2 #define OA_RETSCALAR 4 @@ -368,3 +439,47 @@ struct loop { #define OA_SCALARREF 7 #define OA_OPTIONAL 8 +#ifdef USE_ITHREADS +# define OP_REFCNT_INIT MUTEX_INIT(&PL_op_mutex) +# define OP_REFCNT_LOCK MUTEX_LOCK(&PL_op_mutex) +# define OP_REFCNT_UNLOCK MUTEX_UNLOCK(&PL_op_mutex) +# define OP_REFCNT_TERM MUTEX_DESTROY(&PL_op_mutex) +#else +# define OP_REFCNT_INIT NOOP +# define OP_REFCNT_LOCK NOOP +# define OP_REFCNT_UNLOCK NOOP +# define OP_REFCNT_TERM NOOP +#endif + +#define OpREFCNT_set(o,n) ((o)->op_targ = (n)) +#define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : Nullop) +#define OpREFCNT_dec(o) (--(o)->op_targ) + +/* flags used by Perl_load_module() */ +#define PERL_LOADMOD_DENY 0x1 +#define PERL_LOADMOD_NOIMPORT 0x2 +#define PERL_LOADMOD_IMPORT_OPS 0x4 + +#ifdef USE_REENTRANT_API + +typedef struct { + struct tm* tmbuff; +} REBUF; + +#define localtime(a) (localtime_r((a),PL_reentrant_buffer->tmbuff) ? PL_reentrant_buffer->tmbuff : NULL) +#define gmtime(a) (gmtime_r((a),PL_reentrant_buffer->tmbuff) ? PL_reentrant_buffer->tmbuff : NULL) + +#ifdef OLD_PTHREADS_API + +/* HP-UX 10.20 returns 0 on success, what it returns on failure is hidden + in the fog somewhere, possibly -1 which means the following should do + the right thing - 20010816 sky */ + +#undef localtime +#undef gmtime +#define localtime(a) ((localtime_r((a),PL_reentrant_buffer->tmbuff) == 0) ? PL_reentrant_buffer->tmbuff : NULL) +#define gmtime(a) ((gmtime_r((a),PL_reentrant_buffer->tmbuff) == 0) ? PL_reentrant_buffer->tmbuff : NULL) +#endif /* HP-UX 10.20 */ + +#endif +