X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/6d822dc4045278fb03135b2683bac92dba061369..ae558575aa9f10b828ca711463105ca54421dd05:/op.h?ds=sidebyside diff --git a/op.h b/op.h index 3b1970c..f949179 100644 --- a/op.h +++ b/op.h @@ -1,6 +1,7 @@ /* op.h * - * Copyright (c) 1991-2002, Larry Wall + * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + * 2000, 2001, 2002, 2003, 2004, 2005 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. @@ -16,6 +17,12 @@ * parent takes over role of remembering starting op.) * op_ppaddr Pointer to current ppcode's function. * op_type The type of the operation. + * op_opt Whether or not the op has been optimised by the + * peephole optimiser. + * op_static Whether or not the op is statically defined. + * This flag is used by the B::C compiler backend + * and indicates that the op should not be freed. + * op_spare Five spare bits! * op_flags Flags common to all operations. See OPf_* below. * op_private Flags peculiar to a particular operation (BUT, * by default, set to the number of children until @@ -23,15 +30,6 @@ * which may or may not check number of children). */ -#if PTRSIZE == 4 -typedef U32TYPE PADOFFSET; -#else -# if PTRSIZE == 8 -typedef U64TYPE PADOFFSET; -# endif -#endif -#define NOT_IN_PAD ((PADOFFSET) -1) - #ifdef DEBUGGING_OPS #define OPCODE opcode #else @@ -46,8 +44,10 @@ typedef U64TYPE PADOFFSET; OP* op_sibling; \ OP* (CPERLscope(*op_ppaddr))(pTHX); \ PADOFFSET op_targ; \ - OPCODE op_type; \ - U16 op_seq; \ + unsigned op_type:9; \ + unsigned op_opt:1; \ + unsigned op_static:1; \ + unsigned op_spare:5; \ U8 op_flags; \ U8 op_private; #endif @@ -106,6 +106,9 @@ Deprecated. Use C instead. /* On regcomp, "use re 'eval'" was in scope */ /* On OP_READLINE, was <$filehandle> */ /* On RV2[SG]V, don't create GV--in defined()*/ + /* On OP_DBSTATE, indicates breakpoint + * (runtime property) */ + /* On OP_AELEMFAST, indiciates pad var */ /* old names; don't use in new code, but don't break them, either */ #define OPf_LIST OPf_WANT_LIST @@ -141,15 +144,17 @@ Deprecated. Use C instead. #define OPpTRANS_TO_UTF 2 #define OPpTRANS_IDENTICAL 4 /* right side is same as left */ #define OPpTRANS_SQUASH 8 -#define OPpTRANS_DELETE 16 + /* 16 is used for OPpTARGET_MY */ #define OPpTRANS_COMPLEMENT 32 #define OPpTRANS_GROWS 64 +#define OPpTRANS_DELETE 128 +#define OPpTRANS_ALL (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL|OPpTRANS_SQUASH|OPpTRANS_COMPLEMENT|OPpTRANS_GROWS|OPpTRANS_DELETE) /* Private for OP_REPEAT */ #define OPpREPEAT_DOLIST 64 /* List replication. */ -/* Private for OP_RV2?V, OP_?ELEM */ -#define OPpDEREF (32|64) /* Want ref to something: */ +/* Private for OP_RV2GV, OP_RV2SV, OP_AELEM, OP_HELEM, OP_PADSV */ +#define OPpDEREF (32|64) /* autovivify: Want ref to something: */ #define OPpDEREF_AV 32 /* Want ref to AV. */ #define OPpDEREF_HV 64 /* Want ref to HV. */ #define OPpDEREF_SV (32|64) /* Want ref to SV. */ @@ -165,7 +170,7 @@ Deprecated. Use C instead. #define OPpEARLY_CV 32 /* foo() called before sub foo was parsed */ /* OP_?ELEM only */ #define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */ - /* OP_RV2?V, OP_GVSV only */ + /* OP_RV2?V, OP_GVSV, OP_ENTERITER 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 */ @@ -175,7 +180,11 @@ Deprecated. Use C instead. /* (lower bits may carry MAXARG) */ #define OPpTARGET_MY 16 /* Target is PADMY. */ +/* Private for OP_ENTERITER and OP_ITER */ +#define OPpITER_REVERSED 4 /* for (reverse ...) */ + /* Private for OP_CONST */ +#define OPpCONST_SHORTCIRCUIT 4 /* eg the constant 5 in (5 || foo) */ #define OPpCONST_STRICT 8 /* bearword subject to strict 'subs' */ #define OPpCONST_ENTERED 16 /* Has been entered as symbol. */ #define OPpCONST_ARYBASE 32 /* Was a $[ translated to constant. */ @@ -197,7 +206,9 @@ Deprecated. Use C instead. /* Private for OP_SORT */ #define OPpSORT_NUMERIC 1 /* Optimized away { $a <=> $b } */ #define OPpSORT_INTEGER 2 /* Ditto while under "use integer" */ -#define OPpSORT_REVERSE 4 /* Descending sort */ +#define OPpSORT_REVERSE 4 /* Reversed sort */ +#define OPpSORT_INPLACE 8 /* sort in-place; eg @a = sort @a */ +#define OPpSORT_DESCEND 16 /* Descending sort */ /* Private for OP_THREADSV */ #define OPpDONE_SVREF 64 /* Been through newSVREF once */ @@ -211,6 +222,20 @@ Deprecated. Use C instead. #define OPpHUSH_VMSISH 64 /* hush DCL exit msg vmsish mode*/ #define OPpEXIT_VMSISH 128 /* exit(0) vs. exit(1) vmsish mode*/ +/* Private of OP_FTXXX */ +#define OPpFT_ACCESS 2 /* use filetest 'access' */ +#define OPpFT_STACKED 4 /* stacked filetest, as in "-f -x $f" */ +#define OP_IS_FILETEST_ACCESS(op) \ + (((op)->op_type) == OP_FTRREAD || \ + ((op)->op_type) == OP_FTRWRITE || \ + ((op)->op_type) == OP_FTREXEC || \ + ((op)->op_type) == OP_FTEREAD || \ + ((op)->op_type) == OP_FTEWRITE || \ + ((op)->op_type) == OP_FTEEXEC) + +/* Private for OP_(MAP|GREP)(WHILE|START) */ +#define OPpGREP_LEX 2 /* iterate over lexical $_ */ + struct op { BASEOP }; @@ -242,7 +267,7 @@ struct pmop { BASEOP OP * op_first; OP * op_last; - OP * op_pmreplroot; + OP * op_pmreplroot; /* (type is really union {OP*,GV*,PADOFFSET}) */ OP * op_pmreplstart; PMOP * op_pmnext; /* list of all scanpats */ #ifdef USE_ITHREADS @@ -305,13 +330,13 @@ struct pmop { # define PmopSTASHPV_set(o,pv) (PmopSTASHPV(o) = savesharedpv(pv)) # define PmopSTASH(o) (PmopSTASHPV(o) \ ? gv_stashpv(PmopSTASHPV(o),GV_ADD) : Nullhv) -# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME(hv) : Nullch)) +# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME_get(hv) : Nullch)) # define PmopSTASH_free(o) PerlMemShared_free(PmopSTASHPV(o)) #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) +# define PmopSTASHPV(o) (PmopSTASH(o) ? HvNAME_get(PmopSTASH(o)) : Nullch) /* op_pmstash is not refcounted */ # define PmopSTASHPV_set(o,pv) PmopSTASH_set((o), gv_stashpv(pv,GV_ADD)) # define PmopSTASH_free(o) @@ -387,13 +412,13 @@ struct loop { #ifdef USE_ITHREADS -# define cGVOPx_gv(o) ((GV*)PL_curpad[cPADOPx(o)->op_padix]) +# define cGVOPx_gv(o) ((GV*)PAD_SVl(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]) + ? cSVOPx(v)->op_sv : PAD_SVl((v)->op_targ)) # define cSVOPx_svp(v) (cSVOPx(v)->op_sv \ - ? &cSVOPx(v)->op_sv : &PL_curpad[(v)->op_targ]) + ? &cSVOPx(v)->op_sv : &PAD_SVl((v)->op_targ)) #else # define cGVOPx_gv(o) ((GV*)cSVOPx(o)->op_sv) # define IS_PADGV(v) FALSE @@ -456,8 +481,13 @@ struct loop { #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) +# ifdef PERL_CORE +# define OP_REFCNT_LOCK MUTEX_LOCK(&PL_op_mutex) +# define OP_REFCNT_UNLOCK MUTEX_UNLOCK(&PL_op_mutex) +# else +# define OP_REFCNT_LOCK op_refcnt_lock() +# define OP_REFCNT_UNLOCK op_refcnt_unlock() +# endif # define OP_REFCNT_TERM MUTEX_DESTROY(&PL_op_mutex) #else # define OP_REFCNT_INIT NOOP @@ -479,3 +509,15 @@ struct loop { #include "reentr.h" #endif +#if defined(PL_OP_SLAB_ALLOC) +#define NewOp(m,var,c,type) \ + (var = (type *) Perl_Slab_Alloc(aTHX_ m,c*sizeof(type))) +#define NewOpSz(m,var,size) \ + (var = (OP *) Perl_Slab_Alloc(aTHX_ m,size)) +#define FreeOp(p) Perl_Slab_Free(aTHX_ p) +#else +#define NewOp(m, var, c, type) Newz(m, var, c, type) +#define NewOpSz(m, var, size) \ + (var = (OP*)safemalloc(size), memzero(var, size)) +#define FreeOp(p) Safefree(p) +#endif