diff options
Diffstat (limited to 'contrib/perl5/op.h')
| -rw-r--r-- | contrib/perl5/op.h | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/contrib/perl5/op.h b/contrib/perl5/op.h deleted file mode 100644 index e269934..0000000 --- a/contrib/perl5/op.h +++ /dev/null @@ -1,427 +0,0 @@ -/* op.h - * - * 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. - * - */ - -/* - * 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_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). - */ - -typedef U32 PADOFFSET; -#define NOT_IN_PAD ((PADOFFSET) -1) - -#ifdef DEBUGGING_OPS -#define OPCODE opcode -#else -#define OPCODE U16 -#endif - -#ifdef BASEOP_DEFINITION -#define BASEOP BASEOP_DEFINITION -#else -#define BASEOP \ - OP* op_next; \ - OP* op_sibling; \ - OP* (CPERLscope(*op_ppaddr))(pTHX); \ - PADOFFSET op_targ; \ - OPCODE op_type; \ - U16 op_seq; \ - 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) - -/* -=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_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, 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 \ - ? 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. */ -#define OPpASSIGN_HASH 32 /* Assigning to possible pseudohash. */ - -/* Private for OP_SASSIGN */ -#define OPpASSIGN_BACKWARDS 64 /* Left & right switched. */ - -/* 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 -#define OPpTRANS_DELETE 16 -#define OPpTRANS_COMPLEMENT 32 -#define OPpTRANS_GROWS 64 - -/* 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: */ -#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. */ - /* 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 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) */ -#define OPpTARGET_MY 16 /* Target is PADMY. */ - -/* Private for OP_CONST */ -#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, OP_PRTF, OP_SPRINTF, OP_FTTEXT, OP_FTBINARY, */ -/* string comparisons, and case changers. */ -#define OPpLOCALE 64 /* Use locale */ - -/* 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 */ -/* 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 -}; - -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; - OP * op_pmreplroot; - OP * op_pmreplstart; - PMOP * op_pmnext; /* list of all scanpats */ - REGEXP * op_pmregexp; /* compiled expression */ - U16 op_pmflags; - U16 op_pmpermflags; - U8 op_pmdynflags; -}; - -#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 PMf_RETAINT 0x0001 /* taint $1 etc. if target tainted */ -#define PMf_ONCE 0x0002 /* use pattern only once per reset */ -#define PMf_REVERSED 0x0004 /* Should be matched right->left */ -#define PMf_MAYBE_CONST 0x0008 /* replacement contains variables */ -#define PMf_SKIPWHITE 0x0010 /* skip leading whitespace for split */ -#define PMf_WHITE 0x0020 /* pattern is \s+ */ -#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 */ -#define PMf_LOCALE 0x0800 /* use locale for character types */ -#define PMf_MULTILINE 0x1000 /* assume multiple lines */ -#define PMf_SINGLELINE 0x2000 /* assume single line */ -#define PMf_FOLD 0x4000 /* case insensitivity */ -#define PMf_EXTENDED 0x8000 /* chuck embedded whitespace */ - -/* mask of bits stored in regexp->reganch */ -#define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED) - -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*)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_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 */ -#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 - -#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 |
