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[p5sagit/p5-mst-13.2.git] / sv.h
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a0d0e21e 1/* sv.h
79072805 2 *
4eb8286e 3 * Copyright (c) 1991-1999, Larry Wall
79072805 4 *
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
7 *
79072805 8 */
9
a0d0e21e 10#ifdef sv_flags
11#undef sv_flags /* Convex has this in <signal.h> for sigvec() */
12#endif
13
79072805 14typedef enum {
a0d0e21e 15 SVt_NULL, /* 0 */
16 SVt_IV, /* 1 */
17 SVt_NV, /* 2 */
18 SVt_RV, /* 3 */
19 SVt_PV, /* 4 */
20 SVt_PVIV, /* 5 */
21 SVt_PVNV, /* 6 */
22 SVt_PVMG, /* 7 */
23 SVt_PVBM, /* 8 */
24 SVt_PVLV, /* 9 */
25 SVt_PVAV, /* 10 */
26 SVt_PVHV, /* 11 */
27 SVt_PVCV, /* 12 */
28 SVt_PVGV, /* 13 */
29 SVt_PVFM, /* 14 */
30 SVt_PVIO /* 15 */
79072805 31} svtype;
32
79072805 33/* Using C's structural equivalence to help emulate C++ inheritance here... */
34
35struct sv {
463ee0b2 36 void* sv_any; /* pointer to something */
79072805 37 U32 sv_refcnt; /* how many references to us */
8990e307 38 U32 sv_flags; /* what we are */
79072805 39};
40
41struct gv {
463ee0b2 42 XPVGV* sv_any; /* pointer to something */
79072805 43 U32 sv_refcnt; /* how many references to us */
8990e307 44 U32 sv_flags; /* what we are */
79072805 45};
46
47struct cv {
232e078e 48 XPVCV* sv_any; /* pointer to something */
79072805 49 U32 sv_refcnt; /* how many references to us */
8990e307 50 U32 sv_flags; /* what we are */
79072805 51};
52
53struct av {
463ee0b2 54 XPVAV* sv_any; /* pointer to something */
79072805 55 U32 sv_refcnt; /* how many references to us */
8990e307 56 U32 sv_flags; /* what we are */
79072805 57};
58
59struct hv {
463ee0b2 60 XPVHV* sv_any; /* pointer to something */
79072805 61 U32 sv_refcnt; /* how many references to us */
8990e307 62 U32 sv_flags; /* what we are */
63};
64
65struct io {
66 XPVIO* sv_any; /* pointer to something */
67 U32 sv_refcnt; /* how many references to us */
68 U32 sv_flags; /* what we are */
79072805 69};
70
463ee0b2 71#define SvANY(sv) (sv)->sv_any
79072805 72#define SvFLAGS(sv) (sv)->sv_flags
aeea060c 73#define SvREFCNT(sv) (sv)->sv_refcnt
a863c7d1 74
dce16143 75#ifdef USE_THREADS
76
dce16143 77# ifdef EMULATE_ATOMIC_REFCOUNTS
78# define ATOMIC_INC(count) STMT_START { \
533c011a 79 MUTEX_LOCK(&PL_svref_mutex); \
dce16143 80 ++count; \
533c011a 81 MUTEX_UNLOCK(&PL_svref_mutex); \
dce16143 82 } STMT_END
0bfcb09d 83# define ATOMIC_DEC_AND_TEST(res,count) STMT_START { \
533c011a 84 MUTEX_LOCK(&PL_svref_mutex); \
0bfcb09d 85 res = (--count == 0); \
533c011a 86 MUTEX_UNLOCK(&PL_svref_mutex); \
dce16143 87 } STMT_END
88# else
89# define ATOMIC_INC(count) atomic_inc(&count)
90# define ATOMIC_DEC_AND_TEST(res,count) (res = atomic_dec_and_test(&count))
91# endif /* EMULATE_ATOMIC_REFCOUNTS */
92#else
93# define ATOMIC_INC(count) (++count)
83b0a010 94# define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0))
dce16143 95#endif /* USE_THREADS */
96
a863c7d1 97#ifdef __GNUC__
dce16143 98# define SvREFCNT_inc(sv) \
99 ({ \
100 SV *nsv = (SV*)(sv); \
101 if (nsv) \
102 ATOMIC_INC(SvREFCNT(nsv)); \
103 nsv; \
104 })
8990e307 105#else
a863c7d1 106# if defined(CRIPPLED_CC) || defined(USE_THREADS)
199100c8 107# define SvREFCNT_inc(sv) sv_newref((SV*)sv)
a863c7d1 108# else
dce16143 109# define SvREFCNT_inc(sv) \
6b88bc9c 110 ((PL_Sv=(SV*)(sv)), (PL_Sv && ATOMIC_INC(SvREFCNT(PL_Sv))), (SV*)PL_Sv)
a863c7d1 111# endif
8990e307 112#endif
113
a863c7d1 114#define SvREFCNT_dec(sv) sv_free((SV*)sv)
115
8990e307 116#define SVTYPEMASK 0xff
117#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
79072805 118
119#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
120
8990e307 121#define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */
122#define SVs_PADTMP 0x00000200 /* in use as tmp */
123#define SVs_PADMY 0x00000400 /* in use a "my" variable */
124#define SVs_TEMP 0x00000800 /* string is stealable? */
125#define SVs_OBJECT 0x00001000 /* is "blessed" */
126#define SVs_GMG 0x00002000 /* has magical get method */
127#define SVs_SMG 0x00004000 /* has magical set method */
128#define SVs_RMG 0x00008000 /* has random magical methods */
129
130#define SVf_IOK 0x00010000 /* has valid public integer value */
131#define SVf_NOK 0x00020000 /* has valid public numeric value */
132#define SVf_POK 0x00040000 /* has valid public pointer value */
133#define SVf_ROK 0x00080000 /* has a valid reference pointer */
a0d0e21e 134
748a9306 135#define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */
8990e307 136#define SVf_OOK 0x00200000 /* has valid offset value */
137#define SVf_BREAK 0x00400000 /* refcnt is artificially low */
138#define SVf_READONLY 0x00800000 /* may not be modified */
139
a0d0e21e 140
8990e307 141#define SVp_IOK 0x01000000 /* has valid non-public integer value */
142#define SVp_NOK 0x02000000 /* has valid non-public numeric value */
143#define SVp_POK 0x04000000 /* has valid non-public pointer value */
144#define SVp_SCREAM 0x08000000 /* has been studied? */
145
5bc28da9 146#define SVf_UTF8 0x20000000 /* SvPVX is UTF-8 encoded */
147
148#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK|SVf_FAKE|SVf_UTF8)
149
a0d0e21e 150#define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \
151 SVp_IOK|SVp_NOK|SVp_POK)
152
9e7bc3e8 153#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
a0d0e21e 154
8990e307 155#define PRIVSHIFT 8
156
157/* Some private flags. */
158
77ca0c92 159#define SVpad_OUR 0x80000000 /* pad name is "our" instead of "my" */
160
25da4f38 161#define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */
162
163#define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */
8990e307 164
165#define SVpbm_VALID 0x80000000
bbce6d69 166#define SVpbm_TAIL 0x40000000
8990e307 167
25da4f38 168#define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */
169
bf6bd887 170#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
51594c39 171#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
bf6bd887 172
810b8aa5 173#define SVprv_WEAKREF 0x80000000 /* Weak reference */
174
ed6116ce 175struct xrv {
176 SV * xrv_rv; /* pointer to another SV */
177};
178
79072805 179struct xpv {
ed6116ce 180 char * xpv_pv; /* pointer to malloced string */
181 STRLEN xpv_cur; /* length of xpv_pv as a C string */
182 STRLEN xpv_len; /* allocated size */
79072805 183};
184
185struct xpviv {
ed6116ce 186 char * xpv_pv; /* pointer to malloced string */
187 STRLEN xpv_cur; /* length of xpv_pv as a C string */
188 STRLEN xpv_len; /* allocated size */
a0d0e21e 189 IV xiv_iv; /* integer value or pv offset */
79072805 190};
191
ff68c719 192struct xpvuv {
193 char * xpv_pv; /* pointer to malloced string */
194 STRLEN xpv_cur; /* length of xpv_pv as a C string */
195 STRLEN xpv_len; /* allocated size */
196 UV xuv_uv; /* unsigned value or pv offset */
197};
198
79072805 199struct xpvnv {
ed6116ce 200 char * xpv_pv; /* pointer to malloced string */
201 STRLEN xpv_cur; /* length of xpv_pv as a C string */
202 STRLEN xpv_len; /* allocated size */
a0d0e21e 203 IV xiv_iv; /* integer value or pv offset */
65202027 204 NV xnv_nv; /* numeric value, if any */
79072805 205};
206
6ee623d5 207/* These structure must match the beginning of struct xpvhv in hv.h. */
79072805 208struct xpvmg {
ed6116ce 209 char * xpv_pv; /* pointer to malloced string */
210 STRLEN xpv_cur; /* length of xpv_pv as a C string */
211 STRLEN xpv_len; /* allocated size */
a0d0e21e 212 IV xiv_iv; /* integer value or pv offset */
65202027 213 NV xnv_nv; /* numeric value, if any */
79072805 214 MAGIC* xmg_magic; /* linked list of magicalness */
215 HV* xmg_stash; /* class package */
216};
217
218struct xpvlv {
ed6116ce 219 char * xpv_pv; /* pointer to malloced string */
220 STRLEN xpv_cur; /* length of xpv_pv as a C string */
221 STRLEN xpv_len; /* allocated size */
a0d0e21e 222 IV xiv_iv; /* integer value or pv offset */
65202027 223 NV xnv_nv; /* numeric value, if any */
79072805 224 MAGIC* xmg_magic; /* linked list of magicalness */
225 HV* xmg_stash; /* class package */
8990e307 226
79072805 227 STRLEN xlv_targoff;
228 STRLEN xlv_targlen;
229 SV* xlv_targ;
230 char xlv_type;
231};
232
233struct xpvgv {
ed6116ce 234 char * xpv_pv; /* pointer to malloced string */
235 STRLEN xpv_cur; /* length of xpv_pv as a C string */
236 STRLEN xpv_len; /* allocated size */
a0d0e21e 237 IV xiv_iv; /* integer value or pv offset */
65202027 238 NV xnv_nv; /* numeric value, if any */
79072805 239 MAGIC* xmg_magic; /* linked list of magicalness */
240 HV* xmg_stash; /* class package */
8990e307 241
79072805 242 GP* xgv_gp;
243 char* xgv_name;
244 STRLEN xgv_namelen;
245 HV* xgv_stash;
a5f75d66 246 U8 xgv_flags;
79072805 247};
248
249struct xpvbm {
ed6116ce 250 char * xpv_pv; /* pointer to malloced string */
251 STRLEN xpv_cur; /* length of xpv_pv as a C string */
252 STRLEN xpv_len; /* allocated size */
a0d0e21e 253 IV xiv_iv; /* integer value or pv offset */
65202027 254 NV xnv_nv; /* numeric value, if any */
79072805 255 MAGIC* xmg_magic; /* linked list of magicalness */
256 HV* xmg_stash; /* class package */
8990e307 257
79072805 258 I32 xbm_useful; /* is this constant pattern being useful? */
259 U16 xbm_previous; /* how many characters in string before rare? */
260 U8 xbm_rare; /* rarest character in string */
261};
262
44a8e56a 263/* This structure much match XPVCV */
264
77a005ab 265typedef U16 cv_flags_t;
266
79072805 267struct xpvfm {
ed6116ce 268 char * xpv_pv; /* pointer to malloced string */
269 STRLEN xpv_cur; /* length of xpv_pv as a C string */
270 STRLEN xpv_len; /* allocated size */
a0d0e21e 271 IV xiv_iv; /* integer value or pv offset */
65202027 272 NV xnv_nv; /* numeric value, if any */
79072805 273 MAGIC* xmg_magic; /* linked list of magicalness */
274 HV* xmg_stash; /* class package */
8990e307 275
79072805 276 HV * xcv_stash;
277 OP * xcv_start;
278 OP * xcv_root;
0cb96387 279 void (*xcv_xsub)(pTHXo_ CV*);
a0d0e21e 280 ANY xcv_xsubany;
281 GV * xcv_gv;
79072805 282 GV * xcv_filegv;
283 long xcv_depth; /* >= 2 indicates recursive call */
284 AV * xcv_padlist;
748a9306 285 CV * xcv_outside;
e858de61 286#ifdef USE_THREADS
f6d98b14 287 perl_mutex *xcv_mutexp; /* protects xcv_owner */
52e1cb5e 288 struct perl_thread *xcv_owner; /* current owner thread */
e858de61 289#endif /* USE_THREADS */
77a005ab 290 cv_flags_t xcv_flags;
44a8e56a 291
79072805 292 I32 xfm_lines;
293};
294
8990e307 295struct xpvio {
296 char * xpv_pv; /* pointer to malloced string */
297 STRLEN xpv_cur; /* length of xpv_pv as a C string */
298 STRLEN xpv_len; /* allocated size */
a0d0e21e 299 IV xiv_iv; /* integer value or pv offset */
65202027 300 NV xnv_nv; /* numeric value, if any */
8990e307 301 MAGIC* xmg_magic; /* linked list of magicalness */
302 HV* xmg_stash; /* class package */
303
760ac839 304 PerlIO * xio_ifp; /* ifp and ofp are normally the same */
305 PerlIO * xio_ofp; /* but sockets need separate streams */
8990e307 306 DIR * xio_dirp; /* for opendir, readdir, etc */
307 long xio_lines; /* $. */
308 long xio_page; /* $% */
309 long xio_page_len; /* $= */
310 long xio_lines_left; /* $- */
311 char * xio_top_name; /* $^ */
312 GV * xio_top_gv; /* $^ */
313 char * xio_fmt_name; /* $~ */
314 GV * xio_fmt_gv; /* $~ */
315 char * xio_bottom_name;/* $^B */
316 GV * xio_bottom_gv; /* $^B */
317 short xio_subprocess; /* -| or |- */
318 char xio_type;
319 char xio_flags;
320};
321
322#define IOf_ARGV 1 /* this fp iterates over ARGV */
323#define IOf_START 2 /* check for null ARGV and substitute '-' */
324#define IOf_FLUSH 4 /* this fp wants a flush after write op */
748a9306 325#define IOf_DIDTOP 8 /* just did top of form */
003e7f14 326#define IOf_UNTAINT 16 /* consider this fp (and its data) "safe" */
fbad3eb5 327#define IOf_NOLINE 32 /* slurped a pseudo-line from empty file */
8990e307 328
ed6116ce 329/* The following macros define implementation-independent predicates on SVs. */
330
79072805 331#define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK))
748a9306 332#define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK))
a0d0e21e 333#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \
25da4f38 334 SVp_IOK|SVp_NOK|SVf_IVisUV))
79072805 335
463ee0b2 336#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
25da4f38 337#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
338 SVf_IVisUV), \
339 SvOOK_off(sv))
340#define SvOK_off_exc_UV(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
a0d0e21e 341 SvOOK_off(sv))
79072805 342
8990e307 343#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK))
344#define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK)
345#define SvIOKp_on(sv) (SvOOK_off(sv), SvFLAGS(sv) |= SVp_IOK)
346#define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK)
347#define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK)
348#define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK)
349#define SvPOKp_on(sv) (SvFLAGS(sv) |= SVp_POK)
463ee0b2 350
79072805 351#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK)
8990e307 352#define SvIOK_on(sv) (SvOOK_off(sv), \
a0d0e21e 353 SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
25da4f38 354#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK|SVf_IVisUV))
827b7e14 355#define SvIOK_only(sv) (SvOK_off(sv), \
a0d0e21e 356 SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
25da4f38 357#define SvIOK_only_UV(sv) (SvOK_off_exc_UV(sv), \
358 SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
359
360#define SvIOK_UV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \
361 == (SVf_IOK|SVf_IVisUV))
362#define SvIOK_notUV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \
363 == SVf_IOK)
364
365#define SvIsUV(sv) (SvFLAGS(sv) & SVf_IVisUV)
366#define SvIsUV_on(sv) (SvFLAGS(sv) |= SVf_IVisUV)
367#define SvIsUV_off(sv) (SvFLAGS(sv) &= ~SVf_IVisUV)
79072805 368
369#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK)
a0d0e21e 370#define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
8990e307 371#define SvNOK_off(sv) (SvFLAGS(sv) &= ~(SVf_NOK|SVp_NOK))
372#define SvNOK_only(sv) (SvOK_off(sv), \
a0d0e21e 373 SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
79072805 374
5bc28da9 375#define SvUTF8(sv) (SvFLAGS(sv) & SVf_ISUTF8)
376#define SvUTF8_on(sv) (SvFLAGS(sv) |= (SVf_ISUTF8))
377#define SvUTF8_off(sv) (SvFLAGS(sv) &= ~(SVf_ISUTF8))
378
79072805 379#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
a0d0e21e 380#define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVp_POK))
8990e307 381#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
25da4f38 382#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC|SVf_IVisUV), \
a0d0e21e 383 SvFLAGS(sv) |= (SVf_POK|SVp_POK))
5bc28da9 384
79072805 385#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
386#define SvOOK_on(sv) (SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK)
387#define SvOOK_off(sv) (SvOOK(sv) && sv_backoff(sv))
79072805 388
a0d0e21e 389#define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE)
390#define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE)
391#define SvFAKE_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE)
392
ed6116ce 393#define SvROK(sv) (SvFLAGS(sv) & SVf_ROK)
a0d0e21e 394#define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK)
a0d0e21e 395#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC))
79072805 396
8990e307 397#define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG))
398#define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG))
399#define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~(SVs_GMG|SVs_SMG|SVs_RMG))
79072805 400
8990e307 401#define SvGMAGICAL(sv) (SvFLAGS(sv) & SVs_GMG)
402#define SvGMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_GMG)
403#define SvGMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_GMG)
ed6116ce 404
8990e307 405#define SvSMAGICAL(sv) (SvFLAGS(sv) & SVs_SMG)
406#define SvSMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_SMG)
407#define SvSMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_SMG)
ed6116ce 408
8990e307 409#define SvRMAGICAL(sv) (SvFLAGS(sv) & SVs_RMG)
410#define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG)
411#define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG)
ed6116ce 412
9e7bc3e8 413#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC)
414#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC)
415#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC)
a0d0e21e 416
417/*
418#define Gv_AMG(stash) \
419 (HV_AMAGICmb(stash) && \
420 ((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash)))
421*/
3280af22 422#define Gv_AMG(stash) (PL_amagic_generation && Gv_AMupdate(stash))
a0d0e21e 423
810b8aa5 424#define SvWEAKREF(sv) ((SvFLAGS(sv) & (SVf_ROK|SVprv_WEAKREF)) \
425 == (SVf_ROK|SVprv_WEAKREF))
426#define SvWEAKREF_on(sv) (SvFLAGS(sv) |= (SVf_ROK|SVprv_WEAKREF))
427#define SvWEAKREF_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVprv_WEAKREF))
428
a0d0e21e 429#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST)
ed6116ce 430
8990e307 431#define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY)
ed6116ce 432
8990e307 433#define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP)
434#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY)
435#define SvPADTMP_off(sv) (SvFLAGS(sv) &= ~SVs_PADTMP)
ed6116ce 436
8990e307 437#define SvPADMY(sv) (SvFLAGS(sv) & SVs_PADMY)
438#define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY|SVs_PADBUSY)
ed6116ce 439
8990e307 440#define SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP)
441#define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP)
442#define SvTEMP_off(sv) (SvFLAGS(sv) &= ~SVs_TEMP)
79072805 443
8990e307 444#define SvOBJECT(sv) (SvFLAGS(sv) & SVs_OBJECT)
445#define SvOBJECT_on(sv) (SvFLAGS(sv) |= SVs_OBJECT)
446#define SvOBJECT_off(sv) (SvFLAGS(sv) &= ~SVs_OBJECT)
79072805 447
8990e307 448#define SvREADONLY(sv) (SvFLAGS(sv) & SVf_READONLY)
449#define SvREADONLY_on(sv) (SvFLAGS(sv) |= SVf_READONLY)
450#define SvREADONLY_off(sv) (SvFLAGS(sv) &= ~SVf_READONLY)
79072805 451
8990e307 452#define SvSCREAM(sv) (SvFLAGS(sv) & SVp_SCREAM)
453#define SvSCREAM_on(sv) (SvFLAGS(sv) |= SVp_SCREAM)
454#define SvSCREAM_off(sv) (SvFLAGS(sv) &= ~SVp_SCREAM)
79072805 455
8990e307 456#define SvCOMPILED(sv) (SvFLAGS(sv) & SVpfm_COMPILED)
457#define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED)
458#define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED)
79072805 459
25da4f38 460#define SvEVALED(sv) (SvFLAGS(sv) & SVrepl_EVAL)
461#define SvEVALED_on(sv) (SvFLAGS(sv) |= SVrepl_EVAL)
462#define SvEVALED_off(sv) (SvFLAGS(sv) &= ~SVrepl_EVAL)
463
8990e307 464#define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL)
465#define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL)
466#define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL)
467
8990e307 468#define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID)
469#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID)
470#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID)
471
ed6116ce 472#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv
473#define SvRVx(sv) SvRV(sv)
474
463ee0b2 475#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
476#define SvIVXx(sv) SvIVX(sv)
ff68c719 477#define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv
478#define SvUVXx(sv) SvUVX(sv)
463ee0b2 479#define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv
480#define SvNVXx(sv) SvNVX(sv)
481#define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv
482#define SvPVXx(sv) SvPVX(sv)
79072805 483#define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
79072805 484#define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len
485#define SvLENx(sv) SvLEN(sv)
486#define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur)
6b88bc9c 487#define SvENDx(sv) ((PL_Sv = (sv)), SvEND(PL_Sv))
79072805 488#define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
489#define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
490
491#define SvIV_set(sv, val) \
80b92232 492 STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
493 (((XPVIV*) SvANY(sv))->xiv_iv = val); } STMT_END
79072805 494#define SvNV_set(sv, val) \
80b92232 495 STMT_START { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \
496 (((XPVNV*) SvANY(sv))->xnv_nv = val); } STMT_END
79072805 497#define SvPV_set(sv, val) \
80b92232 498 STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
499 (((XPV*) SvANY(sv))->xpv_pv = val); } STMT_END
79072805 500#define SvCUR_set(sv, val) \
80b92232 501 STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
502 (((XPV*) SvANY(sv))->xpv_cur = val); } STMT_END
79072805 503#define SvLEN_set(sv, val) \
80b92232 504 STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
505 (((XPV*) SvANY(sv))->xpv_len = val); } STMT_END
79072805 506#define SvEND_set(sv, val) \
80b92232 507 STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
508 (((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } STMT_END
79072805 509
510#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare
511#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful
512#define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous
513
514#define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines
515
516#define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type
517#define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ
518#define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff
519#define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen
520
8990e307 521#define IoIFP(sv) ((XPVIO*) SvANY(sv))->xio_ifp
522#define IoOFP(sv) ((XPVIO*) SvANY(sv))->xio_ofp
523#define IoDIRP(sv) ((XPVIO*) SvANY(sv))->xio_dirp
524#define IoLINES(sv) ((XPVIO*) SvANY(sv))->xio_lines
525#define IoPAGE(sv) ((XPVIO*) SvANY(sv))->xio_page
526#define IoPAGE_LEN(sv) ((XPVIO*) SvANY(sv))->xio_page_len
527#define IoLINES_LEFT(sv)((XPVIO*) SvANY(sv))->xio_lines_left
528#define IoTOP_NAME(sv) ((XPVIO*) SvANY(sv))->xio_top_name
529#define IoTOP_GV(sv) ((XPVIO*) SvANY(sv))->xio_top_gv
530#define IoFMT_NAME(sv) ((XPVIO*) SvANY(sv))->xio_fmt_name
531#define IoFMT_GV(sv) ((XPVIO*) SvANY(sv))->xio_fmt_gv
532#define IoBOTTOM_NAME(sv)((XPVIO*) SvANY(sv))->xio_bottom_name
533#define IoBOTTOM_GV(sv) ((XPVIO*) SvANY(sv))->xio_bottom_gv
534#define IoSUBPROCESS(sv)((XPVIO*) SvANY(sv))->xio_subprocess
535#define IoTYPE(sv) ((XPVIO*) SvANY(sv))->xio_type
536#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags
537
bbce6d69 538#define SvTAINTED(sv) (SvMAGICAL(sv) && sv_tainted(sv))
3280af22 539#define SvTAINTED_on(sv) STMT_START{ if(PL_tainting){sv_taint(sv);} }STMT_END
540#define SvTAINTED_off(sv) STMT_START{ if(PL_tainting){sv_untaint(sv);} }STMT_END
bbce6d69 541
c6ee37c5 542#define SvTAINT(sv) \
543 STMT_START { \
3280af22 544 if (PL_tainting) { \
c6ee37c5 545 dTHR; \
3280af22 546 if (PL_tainted) \
c6ee37c5 547 SvTAINTED_on(sv); \
548 } \
549 } STMT_END
79072805 550
a0d0e21e 551#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
463ee0b2 552#define SvPV(sv, lp) sv_pvn(sv, &lp)
1fa8b10d 553#define SvPV_nolen(sv) sv_pv(sv)
5bc28da9 554
555#define SvPVutf8_force(sv, lp) sv_pvutf8n_force(sv, &lp)
556#define SvPVutf8(sv, lp) sv_pvutf8n(sv, &lp)
557#define SvPVutf8_nolen(sv) sv_pvutf8(sv)
558
559#define SvPVbyte_force(sv, lp) sv_pvbyte_force(sv, &lp)
560#define SvPVbyte(sv, lp) sv_pvbyten(sv, &lp)
561#define SvPVbyte_nolen(sv) sv_pvbyte(sv)
562
563#define SvPVx(sv, lp) sv_pvn(sv, &lp)
564#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
565#define SvPVutf8x(sv, lp) sv_pvutf8n(sv, &lp)
566#define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp)
567#define SvPVbytex(sv, lp) sv_pvbyten(sv, &lp)
568#define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp)
569
4e35701f 570#define SvIVx(sv) sv_iv(sv)
571#define SvUVx(sv) sv_uv(sv)
572#define SvNVx(sv) sv_nv(sv)
5bc28da9 573
4e35701f 574#define SvTRUEx(sv) sv_true(sv)
575
576#define SvIV(sv) SvIVx(sv)
577#define SvNV(sv) SvNVx(sv)
25da4f38 578#define SvUV(sv) SvUVx(sv)
4e35701f 579#define SvTRUE(sv) SvTRUEx(sv)
79072805 580
a80f87c4 581#ifndef CRIPPLED_CC
582/* redefine some things to more efficient inlined versions */
79072805 583
25da4f38 584/* Let us hope that bitmaps for UV and IV are the same */
ff68c719 585#undef SvIV
463ee0b2 586#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))
79072805 587
ff68c719 588#undef SvUV
589#define SvUV(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv(sv))
590
591#undef SvNV
463ee0b2 592#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv))
79072805 593
ff68c719 594#undef SvPV
595#define SvPV(sv, lp) \
5bc28da9 596 ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
597 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv(sv, &lp))
598
79072805 599
ff68c719 600#undef SvPV_force
601#define SvPV_force(sv, lp) \
602 ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
603 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force(sv, &lp))
a0d0e21e 604
1fa8b10d 605#undef SvPV_nolen
606#define SvPV_nolen(sv) \
5bc28da9 607 ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
608 ? SvPVX(sv) : sv_2pv_nolen(sv))
609
610#undef SvPVutf8
611#define SvPVutf8(sv, lp) \
612 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \
613 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp))
614
615#undef SvPVutf8_force
616#define SvPVutf8_force(sv, lp) \
617 ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK||SVf_UTF8) \
618 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp))
619
620#undef SvPVutf8_nolen
621#define SvPVutf8_nolen(sv) \
622 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK||SVf_UTF8)\
623 ? SvPVX(sv) : sv_2pvutf8_nolen(sv))
624
625#undef SvPVutf8
626#define SvPVutf8(sv, lp) \
627 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \
628 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp))
629
630#undef SvPVutf8_force
631#define SvPVutf8_force(sv, lp) \
632 ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK||SVf_UTF8) \
633 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp))
634
635#undef SvPVutf8_nolen
636#define SvPVutf8_nolen(sv) \
637 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\
638 ? SvPVX(sv) : sv_2pvutf8_nolen(sv))
639
640#undef SvPVbyte
641#define SvPVbyte(sv, lp) \
642 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \
643 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvbyte(sv, &lp))
644
645#undef SvPVbyte_force
646#define SvPVbyte_force(sv, lp) \
647 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8|SVf_THINKFIRST)) == (SVf_POK) \
648 ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvbyte_force(sv, &lp))
649
650#undef SvPVbyte_nolen
651#define SvPVbyte_nolen(sv) \
652 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\
653 ? SvPVX(sv) : sv_2pvbyte_nolen(sv))
654
1fa8b10d 655
a80f87c4 656#ifdef __GNUC__
657# undef SvIVx
658# undef SvUVx
659# undef SvNVx
660# undef SvPVx
5bc28da9 661# undef SvPVutf8x
662# undef SvPVbytex
a80f87c4 663# undef SvTRUE
664# undef SvTRUEx
665# define SvIVx(sv) ({SV *nsv = (SV*)(sv); SvIV(nsv); })
666# define SvUVx(sv) ({SV *nsv = (SV*)(sv); SvUV(nsv); })
667# define SvNVx(sv) ({SV *nsv = (SV*)(sv); SvNV(nsv); })
668# define SvPVx(sv, lp) ({SV *nsv = (sv); SvPV(nsv, lp); })
5bc28da9 669# define SvPVutf8x(sv, lp) ({SV *nsv = (sv); SvPVutf8(nsv, lp); })
670# define SvPVbytex(sv, lp) ({SV *nsv = (sv); SvPVbyte(nsv, lp); })
a80f87c4 671# define SvTRUE(sv) ( \
8990e307 672 !sv \
673 ? 0 \
674 : SvPOK(sv) \
a80f87c4 675 ? (({XPV *nxpv = (XPV*)SvANY(sv); \
676 nxpv && \
677 (*nxpv->xpv_pv > '0' || \
678 nxpv->xpv_cur > 1 || \
679 (nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \
79072805 680 ? 1 \
681 : 0) \
682 : \
683 SvIOK(sv) \
463ee0b2 684 ? SvIVX(sv) != 0 \
79072805 685 : SvNOK(sv) \
463ee0b2 686 ? SvNVX(sv) != 0.0 \
687 : sv_2bool(sv) )
a80f87c4 688# define SvTRUEx(sv) ({SV *nsv = (sv); SvTRUE(nsv); })
689#else /* __GNUC__ */
690#ifndef USE_THREADS
691/* These inlined macros use globals, which will require a thread
692 * declaration in user code, so we avoid them under threads */
693
694# undef SvIVx
695# undef SvUVx
696# undef SvNVx
697# undef SvPVx
5bc28da9 698# undef SvPVutf8x
699# undef SvPVbytex
a80f87c4 700# undef SvTRUE
701# undef SvTRUEx
6b88bc9c 702# define SvIVx(sv) ((PL_Sv = (sv)), SvIV(PL_Sv))
703# define SvUVx(sv) ((PL_Sv = (sv)), SvUV(PL_Sv))
704# define SvNVx(sv) ((PL_Sv = (sv)), SvNV(PL_Sv))
705# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp))
5bc28da9 706# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp))
707# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp))
a80f87c4 708# define SvTRUE(sv) ( \
709 !sv \
710 ? 0 \
711 : SvPOK(sv) \
6b88bc9c 712 ? ((PL_Xpv = (XPV*)SvANY(sv)) && \
713 (*PL_Xpv->xpv_pv > '0' || \
714 PL_Xpv->xpv_cur > 1 || \
715 (PL_Xpv->xpv_cur && *PL_Xpv->xpv_pv != '0')) \
a80f87c4 716 ? 1 \
717 : 0) \
718 : \
719 SvIOK(sv) \
720 ? SvIVX(sv) != 0 \
721 : SvNOK(sv) \
722 ? SvNVX(sv) != 0.0 \
723 : sv_2bool(sv) )
6b88bc9c 724# define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv))
a80f87c4 725#endif /* !USE_THREADS */
726#endif /* !__GNU__ */
727#endif /* !CRIPPLED_CC */
79072805 728
5f05dabc 729#define newRV_inc(sv) newRV(sv)
5f05dabc 730
ef50df4b 731/* the following macros update any magic values this sv is associated with */
79072805 732
189b2af5 733#define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END
734#define SvSETMAGIC(x) STMT_START { if (SvSMAGICAL(x)) mg_set(x); } STMT_END
79072805 735
54310121 736#define SvSetSV_and(dst,src,finally) \
189b2af5 737 STMT_START { \
54310121 738 if ((dst) != (src)) { \
739 sv_setsv(dst, src); \
740 finally; \
189b2af5 741 } \
742 } STMT_END
54310121 743#define SvSetSV_nosteal_and(dst,src,finally) \
189b2af5 744 STMT_START { \
8ebc5c01 745 if ((dst) != (src)) { \
746 U32 tMpF = SvFLAGS(src) & SVs_TEMP; \
747 SvTEMP_off(src); \
748 sv_setsv(dst, src); \
749 SvFLAGS(src) |= tMpF; \
54310121 750 finally; \
189b2af5 751 } \
752 } STMT_END
79072805 753
54310121 754#define SvSetSV(dst,src) \
c9d716f7 755 SvSetSV_and(dst,src,/*nothing*/;)
54310121 756#define SvSetSV_nosteal(dst,src) \
c9d716f7 757 SvSetSV_nosteal_and(dst,src,/*nothing*/;)
54310121 758
759#define SvSetMagicSV(dst,src) \
760 SvSetSV_and(dst,src,SvSETMAGIC(dst))
761#define SvSetMagicSV_nosteal(dst,src) \
762 SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
763
3967c732 764#ifdef DEBUGGING
79072805 765#define SvPEEK(sv) sv_peek(sv)
3967c732 766#else
767#define SvPEEK(sv) ""
768#endif
79072805 769
3280af22 770#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no)
36477c24 771
3280af22 772#define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
54310121 773
79072805 774#define isGV(sv) (SvTYPE(sv) == SVt_PVGV)
775
933fea7f 776#define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv))
777#define Sv_Grow sv_grow
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