diff options
Diffstat (limited to 'chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/op.h')
| -rw-r--r-- | chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/op.h | 749 |
1 files changed, 0 insertions, 749 deletions
diff --git a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/op.h b/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/op.h deleted file mode 100644 index c5481bfaf26..00000000000 --- a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/op.h +++ /dev/null @@ -1,749 +0,0 @@ -/* op.h - * - * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 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. - * - */ - -/* - * The fields of BASEOP are: - * op_next Pointer to next ppcode to execute after this one. - * (Top level pre-grafted op points to first op, - * but this is replaced when op is grafted in, when - * this op will point to the real next op, and the new - * 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. - * - * See the comments in S_clear_yystack() for more - * details on the following three flags: - * - * op_latefree tell op_free() to clear this op (and free any kids) - * but not yet deallocate the struct. This means that - * the op may be safely op_free()d multiple times - * op_latefreed an op_latefree op has been op_free()d - * op_attached this op (sub)tree has been attached to a CV - * - * op_spare three 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 - * the operation is privatized by a check routine, - * which may or may not check number of children). - */ - -#define OPCODE U16 - -#ifdef PERL_MAD -# define MADPROP_IN_BASEOP MADPROP* op_madprop; -#else -# define MADPROP_IN_BASEOP -#endif - -#ifdef BASEOP_DEFINITION -#define BASEOP BASEOP_DEFINITION -#else -#define BASEOP \ - OP* op_next; \ - OP* op_sibling; \ - OP* (CPERLscope(*op_ppaddr))(pTHX); \ - MADPROP_IN_BASEOP \ - PADOFFSET op_targ; \ - unsigned op_type:9; \ - unsigned op_opt:1; \ - unsigned op_latefree:1; \ - unsigned op_latefreed:1; \ - unsigned op_attached:1; \ - unsigned op_spare:3; \ - U8 op_flags; \ - U8 op_private; -#endif - -#define OP_GIMME(op,dfl) \ - (((op)->op_flags & OPf_WANT) == OPf_WANT_VOID ? G_VOID : \ - ((op)->op_flags & OPf_WANT) == OPf_WANT_SCALAR ? G_SCALAR : \ - ((op)->op_flags & OPf_WANT) == OPf_WANT_LIST ? G_ARRAY : \ - dfl) - -#define OP_GIMME_REVERSE(flags) \ - ((flags & G_VOID) ? OPf_WANT_VOID : \ - (flags & G_ARRAY) ? OPf_WANT_LIST : \ - OPf_WANT_SCALAR) - -/* -=head1 "Gimme" Values - -=for apidoc Amn|U32|GIMME_V -The XSUB-writer's equivalent to Perl's C<wantarray>. Returns C<G_VOID>, -C<G_SCALAR> or C<G_ARRAY> for void, scalar or list context, -respectively. - -=for apidoc Amn|U32|GIMME -A backward-compatible version of C<GIMME_V> which can only return -C<G_SCALAR> or C<G_ARRAY>; in a void context, it returns C<G_SCALAR>. -Deprecated. Use C<GIMME_V> instead. - -=cut -*/ - -#define GIMME_V OP_GIMME(PL_op, block_gimme()) - -/* Public flags */ - -#define OPf_WANT 3 /* Mask for "want" bits: */ -#define OPf_WANT_VOID 1 /* Want nothing */ -#define OPf_WANT_SCALAR 2 /* Want single value */ -#define OPf_WANT_LIST 3 /* Want list of any length */ -#define OPf_KIDS 4 /* There is a firstborn child. */ -#define OPf_PARENS 8 /* This operator was parenthesized. */ - /* (Or block needs explicit scope entry.) */ -#define OPf_REF 16 /* Certified reference. */ - /* (Return container, not containee). */ -#define OPf_MOD 32 /* Will modify (lvalue). */ -#define OPf_STACKED 64 /* Some arg is arriving on the stack. */ -#define OPf_SPECIAL 128 /* Do something weird for this op: */ - /* On local LVAL, don't init local value. */ - /* On OP_CONST, value is the hints hash for - eval, so return a copy from pp_const() */ - /* On OP_SORT, subroutine is inlined. */ - /* On OP_NOT, inversion was implicit. */ - /* On OP_LEAVE, don't restore curpm. */ - /* On truncate, we truncate filehandle */ - /* On control verbs, we saw no label */ - /* 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 $@ */ - /* On OP_ENTERITER, loop var is per-thread */ - /* On pushre, rx is used as part of split, e.g. split " " */ - /* On regcomp, "use re 'eval'" was in scope */ - /* On OP_READLINE, was <$filehandle> */ - /* On RV2[ACGHS]V, don't create GV--in - defined()*/ - /* On OP_DBSTATE, indicates breakpoint - * (runtime property) */ - /* On OP_AELEMFAST, indiciates pad var */ - /* On OP_REQUIRE, was seen as CORE::require */ - /* On OP_ENTERWHEN, there's no condition */ - /* On OP_BREAK, an implicit break */ - /* On OP_SMARTMATCH, an implicit smartmatch */ - /* On OP_ANONHASH and OP_ANONLIST, create a - reference to the new anon hash or array */ - -/* 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 \ - ? G_ARRAY \ - : 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 */ - -/* Private for OP_LEAVE, OP_LEAVESUB, OP_LEAVESUBLV and OP_LEAVEWRITE */ -#define OPpREFCOUNTED 64 /* op_targ carries a refcount */ - -/* Private for OP_AASSIGN */ -#define OPpASSIGN_COMMON 64 /* Left & right have syms in common. */ - -/* Private for OP_SASSIGN */ -#define OPpASSIGN_BACKWARDS 64 /* Left & right switched. */ -#define OPpASSIGN_CV_TO_GV 128 /* Possible optimisation for constants. */ - -/* Private for OP_MATCH and OP_SUBST{,CONST} */ -#define OPpRUNTIME 64 /* Pattern coming in on the stack */ - -/* Private for OP_TRANS */ -#define OPpTRANS_FROM_UTF 1 -#define OPpTRANS_TO_UTF 2 -#define OPpTRANS_IDENTICAL 4 /* right side is same as left */ -#define OPpTRANS_SQUASH 8 - /* 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_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. */ - /* OP_ENTERSUB only */ -#define OPpENTERSUB_DB 16 /* Debug subroutine. */ -#define OPpENTERSUB_HASTARG 32 /* Called from OP tree. */ -#define OPpENTERSUB_NOMOD 64 /* Immune to mod() for :attrlist. */ - /* OP_ENTERSUB and OP_RV2CV only */ -#define OPpENTERSUB_AMPER 8 /* Used & form to call. */ -#define OPpENTERSUB_NOPAREN 128 /* bare sub call (without parens) */ -#define OPpENTERSUB_INARGS 4 /* Lval used as arg to a sub. */ - /* OP_GV only */ -#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, OP_ENTERITER only */ -#define OPpOUR_INTRO 16 /* Variable was in an our() */ - /* OP_RV2[AGH]V, OP_PAD[AH]V, OP_[AH]ELEM */ -#define OPpMAYBE_LVSUB 8 /* We might be an lvalue to return */ - /* OP_PADSV only */ -#define OPpPAD_STATE 16 /* is a "state" pad */ - /* for OP_RV2?V, lower bits carry hints (currently only HINT_STRICT_REFS) */ - - /* OP_RV2GV only */ -#define OPpDONT_INIT_GV 4 /* Call gv_fetchpv with GV_NOINIT */ -/* (Therefore will return whatever is currently in the symbol table, not - guaranteed to be a PVGV) */ - - /* OP_RV2CV only */ -#define OPpMAY_RETURN_CONSTANT 1 /* If a constant sub, return the constant */ - -/* Private for OPs with TARGLEX */ - /* (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 ...) */ -#define OPpITER_DEF 8 /* for $_ or for my $_ */ - -/* Private for OP_CONST */ -#define OPpCONST_NOVER 2 /* no 6; */ -#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. */ -#define OPpCONST_BARE 64 /* Was a bare word (filehandle?). */ -#define OPpCONST_WARNING 128 /* Was a $^W translated to constant. */ - -/* Private for OP_FLIP/FLOP */ -#define OPpFLIP_LINENUM 64 /* Range arg potentially a line num. */ - -/* Private for OP_LIST */ -#define OPpLIST_GUESSED 64 /* Guessed that pushmark was needed. */ - -/* Private for OP_DELETE */ -#define OPpSLICE 64 /* Operating on a list of keys */ - -/* 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 } */ -#define OPpSORT_INTEGER 2 /* Ditto while under "use integer" */ -#define OPpSORT_REVERSE 4 /* Reversed sort */ -#define OPpSORT_INPLACE 8 /* sort in-place; eg @a = sort @a */ -#define OPpSORT_DESCEND 16 /* Descending sort */ -#define OPpSORT_QSORT 32 /* Use quicksort (not mergesort) */ -#define OPpSORT_STABLE 64 /* Use a stable algorithm */ - -/* 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, HUSH also for OP_DIE */ -#define OPpHUSH_VMSISH 64 /* hush DCL exit msg vmsish mode*/ -#define OPpEXIT_VMSISH 128 /* exit(0) vs. exit(1) vmsish mode*/ - -/* Private for 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 $_ */ - -/* Private for OP_ENTEREVAL */ -#define OPpEVAL_HAS_HH 2 /* Does it have a copy of %^H */ - -struct op { - BASEOP -}; - -struct unop { - BASEOP - OP * op_first; -}; - -struct binop { - BASEOP - OP * op_first; - OP * op_last; -}; - -struct logop { - BASEOP - OP * op_first; - OP * op_other; -}; - -struct listop { - BASEOP - OP * op_first; - OP * op_last; -}; - -struct pmop { - BASEOP - OP * op_first; - OP * op_last; -#ifdef USE_ITHREADS - IV op_pmoffset; -#else - REGEXP * op_pmregexp; /* compiled expression */ -#endif - U32 op_pmflags; - union { - OP * op_pmreplroot; /* For OP_SUBST */ -#ifdef USE_ITHREADS - PADOFFSET op_pmtargetoff; /* For OP_PUSHRE */ -#else - GV * op_pmtargetgv; -#endif - } op_pmreplrootu; - union { - OP * op_pmreplstart; /* Only used in OP_SUBST */ -#ifdef USE_ITHREADS - char * op_pmstashpv; /* Only used in OP_MATCH, with PMf_ONCE set */ -#else - HV * op_pmstash; -#endif - } op_pmstashstartu; -}; - -#ifdef USE_ITHREADS -#define PM_GETRE(o) (INT2PTR(REGEXP*,SvIVX(PL_regex_pad[(o)->op_pmoffset]))) -/* The assignment is just to enforce type safety (or at least get a warning). - */ -#define PM_SETRE(o,r) STMT_START { \ - const REGEXP *const slosh = (r); \ - PM_SETRE_OFFSET((o), PTR2IV(slosh)); \ - } STMT_END -/* Actually you can assign any IV, not just an offset. And really should it be - UV? */ -#define PM_SETRE_OFFSET(o,iv) \ - STMT_START { \ - SV* const sv = PL_regex_pad[(o)->op_pmoffset]; \ - sv_setiv(sv, (iv)); \ - } STMT_END - -# ifndef PERL_CORE -/* No longer used anywhere in the core. Migrate to Devel::PPPort? */ -#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) -# endif -#else -#define PM_GETRE(o) ((o)->op_pmregexp) -#define PM_SETRE(o,r) ((o)->op_pmregexp = (r)) -# ifndef PERL_CORE -#define PM_GETRE_SAFE PM_GETRE -#define PM_SETRE_SAFE PM_SETRE -# endif -#endif - - -#define PMf_RETAINT 0x0001 /* taint $1 etc. if target tainted */ -#define PMf_ONCE 0x0002 /* match successfully only once per - reset, with related flag RXf_USED - in re->extflags holding state. - This is used only for ?? matches, - and only on OP_MATCH and OP_QR */ - -#define PMf_UNUSED 0x0004 /* free for use */ -#define PMf_MAYBE_CONST 0x0008 /* replacement contains variables */ - -#define PMf_USED 0x0010 /* PMf_ONCE has matched successfully. - Not used under threading. */ - -#define PMf_CONST 0x0040 /* subst replacement is constant */ -#define PMf_KEEP 0x0080 /* keep 1st runtime pattern forever */ -#define PMf_GLOBAL 0x0100 /* pattern had a g modifier */ -#define PMf_CONTINUE 0x0200 /* don't reset pos() if //g fails */ -#define PMf_EVAL 0x0400 /* evaluating replacement as expr */ - -/* The following flags have exact equivalents in regcomp.h with the prefix RXf_ - * which are stored in the regexp->extflags member. If you change them here, - * you have to change them there, and vice versa. - */ -#define PMf_LOCALE 0x00800 /* use locale for character types */ -#define PMf_MULTILINE 0x01000 /* assume multiple lines */ -#define PMf_SINGLELINE 0x02000 /* assume single line */ -#define PMf_FOLD 0x04000 /* case insensitivity */ -#define PMf_EXTENDED 0x08000 /* chuck embedded whitespace */ -#define PMf_KEEPCOPY 0x10000 /* copy the string when matching */ - -/* mask of bits that need to be transfered to re->extflags */ -#define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED|PMf_KEEPCOPY) - -#ifdef USE_ITHREADS - -# define PmopSTASHPV(o) \ - (((o)->op_pmflags & PMf_ONCE) ? (o)->op_pmstashstartu.op_pmstashpv : NULL) -# if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) -# define PmopSTASHPV_set(o,pv) ({ \ - assert((o)->op_pmflags & PMf_ONCE); \ - ((o)->op_pmstashstartu.op_pmstashpv = savesharedpv(pv)); \ - }) -# else -# define PmopSTASHPV_set(o,pv) \ - ((o)->op_pmstashstartu.op_pmstashpv = savesharedpv(pv)) -# endif -# define PmopSTASH(o) (PmopSTASHPV(o) \ - ? gv_stashpv((o)->op_pmstashstartu.op_pmstashpv,GV_ADD) : NULL) -# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME_get(hv) : NULL)) -# define PmopSTASH_free(o) PerlMemShared_free(PmopSTASHPV(o)) - -#else -# define PmopSTASH(o) \ - (((o)->op_pmflags & PMf_ONCE) ? (o)->op_pmstashstartu.op_pmstash : NULL) -# if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) -# define PmopSTASH_set(o,hv) ({ \ - assert((o)->op_pmflags & PMf_ONCE); \ - ((o)->op_pmstashstartu.op_pmstash = (hv)); \ - }) -# else -# define PmopSTASH_set(o,hv) ((o)->op_pmstashstartu.op_pmstash = (hv)) -# endif -# define PmopSTASHPV(o) (PmopSTASH(o) ? HvNAME_get(PmopSTASH(o)) : NULL) - /* op_pmstashstartu.op_pmstash is not refcounted */ -# define PmopSTASHPV_set(o,pv) PmopSTASH_set((o), gv_stashpv(pv,GV_ADD)) -/* Note that if this becomes non-empty, then S_forget_pmop in op.c will need - changing */ -# define PmopSTASH_free(o) -#endif - -struct svop { - BASEOP - SV * op_sv; -}; - -struct padop { - BASEOP - PADOFFSET op_padix; -}; - -struct pvop { - BASEOP - char * op_pv; -}; - -struct loop { - BASEOP - OP * op_first; - OP * op_last; - OP * op_redoop; - OP * op_nextop; - OP * op_lastop; -}; - -#define cUNOPx(o) ((UNOP*)o) -#define cBINOPx(o) ((BINOP*)o) -#define cLISTOPx(o) ((LISTOP*)o) -#define cLOGOPx(o) ((LOGOP*)o) -#define cPMOPx(o) ((PMOP*)o) -#define cSVOPx(o) ((SVOP*)o) -#define cPADOPx(o) ((PADOP*)o) -#define cPVOPx(o) ((PVOP*)o) -#define cCOPx(o) ((COP*)o) -#define cLOOPx(o) ((LOOP*)o) - -#define cUNOP cUNOPx(PL_op) -#define cBINOP cBINOPx(PL_op) -#define cLISTOP cLISTOPx(PL_op) -#define cLOGOP cLOGOPx(PL_op) -#define cPMOP cPMOPx(PL_op) -#define cSVOP cSVOPx(PL_op) -#define cPADOP cPADOPx(PL_op) -#define cPVOP cPVOPx(PL_op) -#define cCOP cCOPx(PL_op) -#define cLOOP cLOOPx(PL_op) - -#define cUNOPo cUNOPx(o) -#define cBINOPo cBINOPx(o) -#define cLISTOPo cLISTOPx(o) -#define cLOGOPo cLOGOPx(o) -#define cPMOPo cPMOPx(o) -#define cSVOPo cSVOPx(o) -#define cPADOPo cPADOPx(o) -#define cPVOPo cPVOPx(o) -#define cCOPo cCOPx(o) -#define cLOOPo cLOOPx(o) - -#define kUNOP cUNOPx(kid) -#define kBINOP cBINOPx(kid) -#define kLISTOP cLISTOPx(kid) -#define kLOGOP cLOGOPx(kid) -#define kPMOP cPMOPx(kid) -#define kSVOP cSVOPx(kid) -#define kPADOP cPADOPx(kid) -#define kPVOP cPVOPx(kid) -#define kCOP cCOPx(kid) -#define kLOOP cLOOPx(kid) - - -#ifdef USE_ITHREADS -# define cGVOPx_gv(o) ((GV*)PAD_SVl(cPADOPx(o)->op_padix)) -# define IS_PADGV(v) (v && SvTYPE(v) == SVt_PVGV && isGV_with_GP(v) \ - && GvIN_PAD(v)) -# define IS_PADCONST(v) (v && SvREADONLY(v)) -# define cSVOPx_sv(v) (cSVOPx(v)->op_sv \ - ? cSVOPx(v)->op_sv : PAD_SVl((v)->op_targ)) -# define cSVOPx_svp(v) (cSVOPx(v)->op_sv \ - ? &cSVOPx(v)->op_sv : &PAD_SVl((v)->op_targ)) -#else -# 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-and-a-bit of PL_opargs */ -#define OA_MARK 1 -#define OA_FOLDCONST 2 -#define OA_RETSCALAR 4 -#define OA_TARGET 8 -#define OA_RETINTEGER 16 -#define OA_OTHERINT 32 -#define OA_DANGEROUS 64 -#define OA_DEFGV 128 -#define OA_TARGLEX 256 - -/* The next 4 bits encode op class information */ -#define OCSHIFT 9 - -#define OA_CLASS_MASK (15 << OCSHIFT) - -#define OA_BASEOP (0 << OCSHIFT) -#define OA_UNOP (1 << OCSHIFT) -#define OA_BINOP (2 << OCSHIFT) -#define OA_LOGOP (3 << OCSHIFT) -#define OA_LISTOP (4 << OCSHIFT) -#define OA_PMOP (5 << OCSHIFT) -#define OA_SVOP (6 << OCSHIFT) -#define OA_PADOP (7 << OCSHIFT) -#define OA_PVOP_OR_SVOP (8 << OCSHIFT) -#define OA_LOOP (9 << OCSHIFT) -#define OA_COP (10 << OCSHIFT) -#define OA_BASEOP_OR_UNOP (11 << OCSHIFT) -#define OA_FILESTATOP (12 << OCSHIFT) -#define OA_LOOPEXOP (13 << OCSHIFT) - -#define OASHIFT 13 - -/* Remaining nybbles of PL_opargs */ -#define OA_SCALAR 1 -#define OA_LIST 2 -#define OA_AVREF 3 -#define OA_HVREF 4 -#define OA_CVREF 5 -#define OA_FILEREF 6 -#define OA_SCALARREF 7 -#define OA_OPTIONAL 8 - -/* Op_REFCNT is a reference count at the head of each op tree: needed - * since the tree is shared between threads, and between cloned closure - * copies in the same thread. OP_REFCNT_LOCK/UNLOCK is used when modifying - * this count. - * The same mutex is used to protect the refcounts of the reg_trie_data - * and reg_ac_data structures, which are shared between duplicated - * regexes. - */ - -#ifdef USE_ITHREADS -# define OP_REFCNT_INIT MUTEX_INIT(&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 -# 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)) -#ifdef PERL_DEBUG_READONLY_OPS -# define OpREFCNT_inc(o) Perl_op_refcnt_inc(aTHX_ o) -# define OpREFCNT_dec(o) Perl_op_refcnt_dec(aTHX_ o) -#else -# define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : NULL) -# define OpREFCNT_dec(o) (--(o)->op_targ) -#endif - -/* flags used by Perl_load_module() */ -#define PERL_LOADMOD_DENY 0x1 -#define PERL_LOADMOD_NOIMPORT 0x2 -#define PERL_LOADMOD_IMPORT_OPS 0x4 - -#if defined(PERL_IN_PERLY_C) || defined(PERL_IN_OP_C) -#define ref(o, type) doref(o, type, TRUE) -#endif - -/* no longer used anywhere in core */ -#ifndef PERL_CORE -#define cv_ckproto(cv, gv, p) \ - cv_ckproto_len((cv), (gv), (p), (p) ? strlen(p) : 0) -#endif - -#ifdef USE_REENTRANT_API -#include "reentr.h" -#endif - -#if defined(PL_OP_SLAB_ALLOC) -#define NewOp(m,var,c,type) \ - (var = (type *) Perl_Slab_Alloc(aTHX_ c*sizeof(type))) -#define NewOpSz(m,var,size) \ - (var = (OP *) Perl_Slab_Alloc(aTHX_ size)) -#define FreeOp(p) Perl_Slab_Free(aTHX_ p) -#else -#define NewOp(m, var, c, type) \ - (var = (MEM_WRAP_CHECK_(c,type) \ - (type*)PerlMemShared_calloc(c, sizeof(type)))) -#define NewOpSz(m, var, size) \ - (var = (OP*)PerlMemShared_calloc(1, size)) -#define FreeOp(p) PerlMemShared_free(p) -#endif - -#ifdef PERL_MAD -# define MAD_NULL 1 -# define MAD_PV 2 -# define MAD_OP 3 -# define MAD_SV 4 - -struct madprop { - MADPROP* mad_next; - const void *mad_val; - U32 mad_vlen; -/* short mad_count; */ - char mad_key; - char mad_type; -}; - -struct token { - I32 tk_type; - YYSTYPE tk_lval; - MADPROP* tk_mad; -}; -#endif - -/* - * Values that can be held by mad_key : - * ^ unfilled head spot - * , literal , - * ; literal ; (blank if implicit ; at end of block) - * : literal : from ?: or attr list - * + unary + - * ? literal ? from ?: - * ( literal ( - * ) literal ) - * [ literal [ - * ] literal ] - * { literal { - * } literal } - * @ literal @ sigil - * $ literal $ sigil - * * literal * sigil - * ! use is source filtered - * & & or sub - * # whitespace/comment following ; or } - * # $# sigil - * 1 1st ; from for(;;) - * 1 retired protasis - * 2 2nd ; from for(;;) - * 2 retired apodosis - * 3 C-style for list - * a sub or var attributes - * a non-method arrow operator - * A method arrow operator - * A use import args - * b format block - * B retired stub block - * C constant conditional op - * d declarator - * D do block - * e unreached "else" (see C) - * e expression producing E - * E tr/E/R/, /E/ - * f folded constant op - * F peg op for format - * g op was forced to be a word - * i if/unless modifier - * I if/elsif/unless statement - * k local declarator - * K retired kid op - * l last index of array ($#foo) - * L label - * m modifier on regex - * n sub or format name - * o current operator/declarator name - * o else/continue - * O generic optimized op - * p peg to hold extra whitespace at statement level - * P peg op for package declaration - * q opening quote - * = quoted material - * Q closing quote - * Q optimized qw// - * r expression producing R - * R tr/E/R/ s/E/R/ - * s sub signature - * S use import stub (no import) - * S retired sort block - * t unreached "then" (see C) - * U use import op - * v private sv of for loop - * V use version - * w while/until modifier - * W while/for statement - * x optimized qw - * X random thing - * _ whitespace/comments preceding anything else - * ~ =~ operator - */ - -/* - * Local variables: - * c-indentation-style: bsd - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - * - * ex: set ts=8 sts=4 sw=4 noet: - */ |