X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/638eceb6656bf10acb1a6dc2a55880f5e1a6c8c4..438cc6089d922e42fd6635c1b8212ad034402745:/op.h diff --git a/op.h b/op.h index 5231a41..b1b11a5 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. @@ -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) */ @@ -158,6 +181,9 @@ typedef U32 PADOFFSET; /* 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 */ @@ -169,6 +195,15 @@ 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 }; @@ -194,14 +229,12 @@ 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 */ @@ -213,6 +246,10 @@ 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 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 */ @@ -253,7 +290,6 @@ struct loop { BASEOP OP * op_first; OP * op_last; - U32 op_children; OP * op_redoop; OP * op_nextop; OP * op_lastop; @@ -372,3 +408,25 @@ 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