diff options
Diffstat (limited to 'contrib/perl5/op.h')
| -rw-r--r-- | contrib/perl5/op.h | 266 |
1 files changed, 189 insertions, 77 deletions
diff --git a/contrib/perl5/op.h b/contrib/perl5/op.h index d0b56f3..081d10c 100644 --- a/contrib/perl5/op.h +++ b/contrib/perl5/op.h @@ -1,6 +1,6 @@ /* op.h * - * Copyright (c) 1991-1999, Larry Wall + * Copyright (c) 1991-2000, 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. @@ -38,7 +38,7 @@ typedef U32 PADOFFSET; #define BASEOP \ OP* op_next; \ OP* op_sibling; \ - OP* (CPERLscope(*op_ppaddr))_((ARGSproto)); \ + OP* (CPERLscope(*op_ppaddr))(pTHX); \ PADOFFSET op_targ; \ OPCODE op_type; \ U16 op_seq; \ @@ -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<wantarray>. Returns C<G_VOID>, +C<G_SCALAR> or C<G_ARRAY> for void, scalar or array 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 */ @@ -77,12 +91,15 @@ 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 " " */ /* 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 \ @@ -90,11 +107,18 @@ 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 */ +#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. */ @@ -103,30 +127,52 @@ typedef U32 PADOFFSET; #define OPpRUNTIME 64 /* Pattern coming in on the stack */ /* Private for OP_TRANS */ -#define OPpTRANS_COUNTONLY 8 -#define OPpTRANS_SQUASH 16 -#define OPpTRANS_DELETE 32 -#define OPpTRANS_COMPLEMENT 64 +#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_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_ENTERSUB, OP_RV2?V, OP_?ELEM */ +/* Private for OP_LEAVELOOP */ +#define OPpLOOP_CONTINUE 64 /* a continue block is present */ + +/* 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 */ - /* for OP_RV2?V, lower bits carry hints */ + /* OP_RV2?V, OP_GVSV only */ +#define OPpOUR_INTRO 16 /* Defer creation of array/hash elem */ + /* 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. */ @@ -137,12 +183,29 @@ 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 */ +/* 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 }; @@ -164,13 +227,6 @@ struct logop { OP * op_other; }; -struct condop { - BASEOP - OP * op_first; - OP * op_true; - OP * op_false; -}; - struct listop { BASEOP OP * op_first; @@ -194,6 +250,7 @@ struct pmop { #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 */ @@ -220,9 +277,9 @@ struct svop { SV * op_sv; }; -struct gvop { +struct padop { BASEOP - GV * op_gv; + PADOFFSET op_padix; }; struct pvop { @@ -240,46 +297,77 @@ struct loop { OP * op_lastop; }; -#define cUNOP ((UNOP*)PL_op) -#define cBINOP ((BINOP*)PL_op) -#define cLISTOP ((LISTOP*)PL_op) -#define cLOGOP ((LOGOP*)PL_op) -#define cCONDOP ((CONDOP*)PL_op) -#define cPMOP ((PMOP*)PL_op) -#define cSVOP ((SVOP*)PL_op) -#define cGVOP ((GVOP*)PL_op) -#define cPVOP ((PVOP*)PL_op) -#define cCOP ((COP*)PL_op) -#define cLOOP ((LOOP*)PL_op) - -#define cUNOPo ((UNOP*)o) -#define cBINOPo ((BINOP*)o) -#define cLISTOPo ((LISTOP*)o) -#define cLOGOPo ((LOGOP*)o) -#define cCONDOPo ((CONDOP*)o) -#define cPMOPo ((PMOP*)o) -#define cSVOPo ((SVOP*)o) -#define cGVOPo ((GVOP*)o) -#define cPVOPo ((PVOP*)o) -#define cCVOPo ((CVOP*)o) -#define cCOPo ((COP*)o) -#define cLOOPo ((LOOP*)o) - -#define kUNOP ((UNOP*)kid) -#define kBINOP ((BINOP*)kid) -#define kLISTOP ((LISTOP*)kid) -#define kLOGOP ((LOGOP*)kid) -#define kCONDOP ((CONDOP*)kid) -#define kPMOP ((PMOP*)kid) -#define kSVOP ((SVOP*)kid) -#define kGVOP ((GVOP*)kid) -#define kPVOP ((PVOP*)kid) -#define kCOP ((COP*)kid) -#define kLOOP ((LOOP*)kid) +#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 opargs */ +/* Lowest byte of PL_opargs */ #define OA_MARK 1 #define OA_FOLDCONST 2 #define OA_RETSCALAR 4 @@ -288,29 +376,31 @@ struct loop { #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 OA_CLASS_MASK (15 << 8) - -#define OA_BASEOP (0 << 8) -#define OA_UNOP (1 << 8) -#define OA_BINOP (2 << 8) -#define OA_LOGOP (3 << 8) -#define OA_CONDOP (4 << 8) -#define OA_LISTOP (5 << 8) -#define OA_PMOP (6 << 8) -#define OA_SVOP (7 << 8) -#define OA_GVOP (8 << 8) -#define OA_PVOP (9 << 8) -#define OA_LOOP (10 << 8) -#define OA_COP (11 << 8) -#define OA_BASEOP_OR_UNOP (12 << 8) -#define OA_FILESTATOP (13 << 8) -#define OA_LOOPEXOP (14 << 8) - -#define OASHIFT 12 - -/* Remaining nybbles of opargs */ +#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 @@ -320,3 +410,25 @@ 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) +# 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) +#else +# define OP_REFCNT_INIT NOOP +# define OP_REFCNT_LOCK NOOP +# define OP_REFCNT_UNLOCK NOOP +# define OP_REFCNT_TERM NOOP +# define OpREFCNT_set(o,n) NOOP +# define OpREFCNT_inc(o) (o) +# define OpREFCNT_dec(o) 0 +#endif + +/* flags used by Perl_load_module() */ +#define PERL_LOADMOD_DENY 0x1 +#define PERL_LOADMOD_NOIMPORT 0x2 +#define PERL_LOADMOD_IMPORT_OPS 0x4 |
