Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.h |
79072805 | 2 | * |
e6906430 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
fc64cf4d | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006 by Larry Wall and others |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
79072805 LW |
9 | */ |
10 | ||
a0d0e21e LW |
11 | #ifdef sv_flags |
12 | #undef sv_flags /* Convex has this in <signal.h> for sigvec() */ | |
13 | #endif | |
14 | ||
954c1994 | 15 | /* |
ccfc67b7 JH |
16 | =head1 SV Flags |
17 | ||
954c1994 | 18 | =for apidoc AmU||svtype |
8cf8f3d1 | 19 | An enum of flags for Perl types. These are found in the file B<sv.h> |
954c1994 GS |
20 | in the C<svtype> enum. Test these flags with the C<SvTYPE> macro. |
21 | ||
22 | =for apidoc AmU||SVt_PV | |
23 | Pointer type flag for scalars. See C<svtype>. | |
24 | ||
25 | =for apidoc AmU||SVt_IV | |
26 | Integer type flag for scalars. See C<svtype>. | |
27 | ||
28 | =for apidoc AmU||SVt_NV | |
29 | Double type flag for scalars. See C<svtype>. | |
30 | ||
31 | =for apidoc AmU||SVt_PVMG | |
32 | Type flag for blessed scalars. See C<svtype>. | |
33 | ||
34 | =for apidoc AmU||SVt_PVAV | |
35 | Type flag for arrays. See C<svtype>. | |
36 | ||
37 | =for apidoc AmU||SVt_PVHV | |
38 | Type flag for hashes. See C<svtype>. | |
39 | ||
40 | =for apidoc AmU||SVt_PVCV | |
41 | Type flag for code refs. See C<svtype>. | |
42 | ||
43 | =cut | |
44 | */ | |
45 | ||
79072805 | 46 | typedef enum { |
a0d0e21e LW |
47 | SVt_NULL, /* 0 */ |
48 | SVt_IV, /* 1 */ | |
49 | SVt_NV, /* 2 */ | |
50 | SVt_RV, /* 3 */ | |
51 | SVt_PV, /* 4 */ | |
52 | SVt_PVIV, /* 5 */ | |
53 | SVt_PVNV, /* 6 */ | |
54 | SVt_PVMG, /* 7 */ | |
55 | SVt_PVBM, /* 8 */ | |
56 | SVt_PVLV, /* 9 */ | |
57 | SVt_PVAV, /* 10 */ | |
58 | SVt_PVHV, /* 11 */ | |
59 | SVt_PVCV, /* 12 */ | |
60 | SVt_PVGV, /* 13 */ | |
61 | SVt_PVFM, /* 14 */ | |
47e6fc1e JC |
62 | SVt_PVIO, /* 15 */ |
63 | SVt_LAST /* keep last in enum. used to size arrays */ | |
79072805 LW |
64 | } svtype; |
65 | ||
47e6fc1e JC |
66 | #ifdef PERL_IN_SV_C |
67 | #define PTE_SVSLOT SVt_LAST | |
68 | #endif | |
69 | #if defined(PERL_IN_HV_C) || defined(PERL_IN_XS_APITEST) | |
70 | #define HE_SVSLOT (SVt_LAST + 1) | |
71 | #endif | |
72 | #define PERL_ARENA_ROOTS_SIZE (SVt_LAST + 2) | |
73 | ||
79072805 LW |
74 | /* Using C's structural equivalence to help emulate C++ inheritance here... */ |
75 | ||
5e045b90 | 76 | struct STRUCT_SV { /* struct sv { */ |
463ee0b2 | 77 | void* sv_any; /* pointer to something */ |
79072805 | 78 | U32 sv_refcnt; /* how many references to us */ |
8990e307 | 79 | U32 sv_flags; /* what we are */ |
79072805 LW |
80 | }; |
81 | ||
82 | struct gv { | |
463ee0b2 | 83 | XPVGV* sv_any; /* pointer to something */ |
79072805 | 84 | U32 sv_refcnt; /* how many references to us */ |
8990e307 | 85 | U32 sv_flags; /* what we are */ |
79072805 LW |
86 | }; |
87 | ||
88 | struct cv { | |
232e078e | 89 | XPVCV* sv_any; /* pointer to something */ |
79072805 | 90 | U32 sv_refcnt; /* how many references to us */ |
8990e307 | 91 | U32 sv_flags; /* what we are */ |
79072805 LW |
92 | }; |
93 | ||
94 | struct av { | |
463ee0b2 | 95 | XPVAV* sv_any; /* pointer to something */ |
79072805 | 96 | U32 sv_refcnt; /* how many references to us */ |
8990e307 | 97 | U32 sv_flags; /* what we are */ |
79072805 LW |
98 | }; |
99 | ||
100 | struct hv { | |
463ee0b2 | 101 | XPVHV* sv_any; /* pointer to something */ |
79072805 | 102 | U32 sv_refcnt; /* how many references to us */ |
8990e307 LW |
103 | U32 sv_flags; /* what we are */ |
104 | }; | |
105 | ||
106 | struct io { | |
107 | XPVIO* sv_any; /* pointer to something */ | |
108 | U32 sv_refcnt; /* how many references to us */ | |
109 | U32 sv_flags; /* what we are */ | |
79072805 LW |
110 | }; |
111 | ||
954c1994 | 112 | /* |
ccfc67b7 JH |
113 | =head1 SV Manipulation Functions |
114 | ||
954c1994 GS |
115 | =for apidoc Am|U32|SvREFCNT|SV* sv |
116 | Returns the value of the object's reference count. | |
117 | ||
118 | =for apidoc Am|SV*|SvREFCNT_inc|SV* sv | |
119 | Increments the reference count of the given SV. | |
120 | ||
121 | =for apidoc Am|void|SvREFCNT_dec|SV* sv | |
122 | Decrements the reference count of the given SV. | |
123 | ||
124 | =for apidoc Am|svtype|SvTYPE|SV* sv | |
125 | Returns the type of the SV. See C<svtype>. | |
126 | ||
127 | =for apidoc Am|void|SvUPGRADE|SV* sv|svtype type | |
128 | Used to upgrade an SV to a more complex form. Uses C<sv_upgrade> to | |
129 | perform the upgrade if necessary. See C<svtype>. | |
130 | ||
131 | =cut | |
132 | */ | |
133 | ||
463ee0b2 | 134 | #define SvANY(sv) (sv)->sv_any |
79072805 | 135 | #define SvFLAGS(sv) (sv)->sv_flags |
aeea060c | 136 | #define SvREFCNT(sv) (sv)->sv_refcnt |
a863c7d1 | 137 | |
4d1ff10f | 138 | #ifdef USE_5005THREADS |
dce16143 | 139 | |
3d35f11b GS |
140 | # if defined(VMS) |
141 | # define ATOMIC_INC(count) __ATOMIC_INCREMENT_LONG(&count) | |
142 | # define ATOMIC_DEC_AND_TEST(res,count) res=(1==__ATOMIC_DECREMENT_LONG(&count)) | |
143 | # else | |
144 | # ifdef EMULATE_ATOMIC_REFCOUNTS | |
145 | # define ATOMIC_INC(count) STMT_START { \ | |
146 | MUTEX_LOCK(&PL_svref_mutex); \ | |
147 | ++count; \ | |
148 | MUTEX_UNLOCK(&PL_svref_mutex); \ | |
149 | } STMT_END | |
150 | # define ATOMIC_DEC_AND_TEST(res,count) STMT_START { \ | |
151 | MUTEX_LOCK(&PL_svref_mutex); \ | |
152 | res = (--count == 0); \ | |
153 | MUTEX_UNLOCK(&PL_svref_mutex); \ | |
154 | } STMT_END | |
155 | # else | |
156 | # define ATOMIC_INC(count) atomic_inc(&count) | |
157 | # define ATOMIC_DEC_AND_TEST(res,count) (res = atomic_dec_and_test(&count)) | |
158 | # endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
159 | # endif /* VMS */ | |
dce16143 MB |
160 | #else |
161 | # define ATOMIC_INC(count) (++count) | |
83b0a010 | 162 | # define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0)) |
4d1ff10f | 163 | #endif /* USE_5005THREADS */ |
dce16143 | 164 | |
5b7ea690 | 165 | #if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) |
dce16143 MB |
166 | # define SvREFCNT_inc(sv) \ |
167 | ({ \ | |
8c18bf38 | 168 | SV * const _sv = (SV*)(sv); \ |
f123e731 NC |
169 | if (_sv) \ |
170 | ATOMIC_INC(SvREFCNT(_sv)); \ | |
171 | _sv; \ | |
dce16143 | 172 | }) |
8990e307 | 173 | #else |
9ede5bc8 | 174 | # ifdef USE_5005THREADS |
3d35f11b GS |
175 | # if defined(VMS) && defined(__ALPHA) |
176 | # define SvREFCNT_inc(sv) \ | |
177 | (PL_Sv=(SV*)(sv), (PL_Sv && __ATOMIC_INCREMENT_LONG(&(SvREFCNT(PL_Sv)))), (SV *)PL_Sv) | |
178 | # else | |
179 | # define SvREFCNT_inc(sv) sv_newref((SV*)sv) | |
180 | # endif | |
a863c7d1 | 181 | # else |
dce16143 | 182 | # define SvREFCNT_inc(sv) \ |
6b88bc9c | 183 | ((PL_Sv=(SV*)(sv)), (PL_Sv && ATOMIC_INC(SvREFCNT(PL_Sv))), (SV*)PL_Sv) |
a863c7d1 | 184 | # endif |
8990e307 LW |
185 | #endif |
186 | ||
91f3b821 | 187 | #define SvREFCNT_dec(sv) sv_free((SV*)(sv)) |
a863c7d1 | 188 | |
8990e307 LW |
189 | #define SVTYPEMASK 0xff |
190 | #define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK) | |
79072805 LW |
191 | |
192 | #define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt)) | |
193 | ||
8990e307 LW |
194 | #define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */ |
195 | #define SVs_PADTMP 0x00000200 /* in use as tmp */ | |
196 | #define SVs_PADMY 0x00000400 /* in use a "my" variable */ | |
197 | #define SVs_TEMP 0x00000800 /* string is stealable? */ | |
198 | #define SVs_OBJECT 0x00001000 /* is "blessed" */ | |
199 | #define SVs_GMG 0x00002000 /* has magical get method */ | |
200 | #define SVs_SMG 0x00004000 /* has magical set method */ | |
201 | #define SVs_RMG 0x00008000 /* has random magical methods */ | |
202 | ||
203 | #define SVf_IOK 0x00010000 /* has valid public integer value */ | |
204 | #define SVf_NOK 0x00020000 /* has valid public numeric value */ | |
205 | #define SVf_POK 0x00040000 /* has valid public pointer value */ | |
206 | #define SVf_ROK 0x00080000 /* has a valid reference pointer */ | |
a0d0e21e | 207 | |
748a9306 | 208 | #define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */ |
8990e307 | 209 | #define SVf_OOK 0x00200000 /* has valid offset value */ |
645c22ef DM |
210 | #define SVf_BREAK 0x00400000 /* refcnt is artificially low - used |
211 | * by SV's in final arena cleanup */ | |
8990e307 LW |
212 | #define SVf_READONLY 0x00800000 /* may not be modified */ |
213 | ||
a0d0e21e | 214 | |
8990e307 LW |
215 | #define SVp_IOK 0x01000000 /* has valid non-public integer value */ |
216 | #define SVp_NOK 0x02000000 /* has valid non-public numeric value */ | |
217 | #define SVp_POK 0x04000000 /* has valid non-public pointer value */ | |
218 | #define SVp_SCREAM 0x08000000 /* has been studied? */ | |
219 | ||
5b7ea690 | 220 | #define SVf_UTF8 0x20000000 /* SvPV is UTF-8 encoded */ |
5bc28da9 | 221 | |
430eacda | 222 | #define SVf_THINKFIRST (SVf_READONLY|SVf_ROK|SVf_FAKE) |
5bc28da9 | 223 | |
a0d0e21e LW |
224 | #define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \ |
225 | SVp_IOK|SVp_NOK|SVp_POK) | |
226 | ||
9e7bc3e8 | 227 | #define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */ |
a0d0e21e | 228 | |
c240c76d | 229 | #define PRIVSHIFT 8 /* (SVp_?OK >> PRIVSHIFT) == SVf_?OK */ |
8990e307 LW |
230 | |
231 | /* Some private flags. */ | |
232 | ||
f472eb5c | 233 | /* SVpad_OUR may be set on SVt_PV{NV,MG,GV} types */ |
032d6771 | 234 | #define SVpad_OUR 0x80000000 /* pad name is "our" instead of "my" */ |
524189f1 | 235 | #define SVpad_TYPED 0x40000000 /* Typed Lexical */ |
032d6771 | 236 | |
25da4f38 IZ |
237 | #define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */ |
238 | ||
239 | #define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */ | |
8990e307 LW |
240 | |
241 | #define SVpbm_VALID 0x80000000 | |
bbce6d69 | 242 | #define SVpbm_TAIL 0x40000000 |
8990e307 | 243 | |
25da4f38 IZ |
244 | #define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */ |
245 | ||
c7df1ae8 | 246 | #define SVphv_CLONEABLE 0x08000000 /* for stashes: clone its objects */ |
ff38041c | 247 | #define SVphv_REHASH 0x10000000 /* HV is recalculating hash values */ |
6bfc225d | 248 | #define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */ |
51594c39 | 249 | #define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */ |
19692e8d | 250 | #define SVphv_HASKFLAGS 0x80000000 /* keys have flag byte after hash */ |
bf6bd887 | 251 | |
810b8aa5 GS |
252 | #define SVprv_WEAKREF 0x80000000 /* Weak reference */ |
253 | ||
80e92b6f JC |
254 | typedef struct { |
255 | IV xiv_iv; /* integer value or pv offset */ | |
256 | } xiv_allocated; | |
257 | ||
258 | typedef struct { | |
259 | NV xnv_nv; /* numeric value, if any */ | |
260 | } xnv_allocated; | |
261 | ||
ed6116ce LW |
262 | struct xrv { |
263 | SV * xrv_rv; /* pointer to another SV */ | |
264 | }; | |
265 | ||
79072805 | 266 | struct xpv { |
ed6116ce LW |
267 | char * xpv_pv; /* pointer to malloced string */ |
268 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
269 | STRLEN xpv_len; /* allocated size */ | |
79072805 LW |
270 | }; |
271 | ||
6513d6ca NC |
272 | typedef struct xpv xpv_allocated; |
273 | ||
79072805 | 274 | struct xpviv { |
ed6116ce LW |
275 | char * xpv_pv; /* pointer to malloced string */ |
276 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
277 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 278 | IV xiv_iv; /* integer value or pv offset */ |
79072805 LW |
279 | }; |
280 | ||
80e92b6f JC |
281 | typedef struct xpviv xpviv_allocated; |
282 | ||
ff68c719 | 283 | struct xpvuv { |
284 | char * xpv_pv; /* pointer to malloced string */ | |
285 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
286 | STRLEN xpv_len; /* allocated size */ | |
287 | UV xuv_uv; /* unsigned value or pv offset */ | |
288 | }; | |
289 | ||
79072805 | 290 | struct xpvnv { |
ed6116ce LW |
291 | char * xpv_pv; /* pointer to malloced string */ |
292 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
293 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 294 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 295 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
296 | }; |
297 | ||
6ee623d5 | 298 | /* These structure must match the beginning of struct xpvhv in hv.h. */ |
79072805 | 299 | struct xpvmg { |
ed6116ce LW |
300 | char * xpv_pv; /* pointer to malloced string */ |
301 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
302 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 303 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 304 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
305 | MAGIC* xmg_magic; /* linked list of magicalness */ |
306 | HV* xmg_stash; /* class package */ | |
307 | }; | |
308 | ||
309 | struct xpvlv { | |
ed6116ce LW |
310 | char * xpv_pv; /* pointer to malloced string */ |
311 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
312 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 313 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 314 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
315 | MAGIC* xmg_magic; /* linked list of magicalness */ |
316 | HV* xmg_stash; /* class package */ | |
8990e307 | 317 | |
79072805 LW |
318 | STRLEN xlv_targoff; |
319 | STRLEN xlv_targlen; | |
320 | SV* xlv_targ; | |
73c86719 JH |
321 | char xlv_type; /* k=keys .=pos x=substr v=vec /=join/re |
322 | * y=alem/helem/iter t=tie T=tied HE */ | |
79072805 LW |
323 | }; |
324 | ||
325 | struct xpvgv { | |
ed6116ce LW |
326 | char * xpv_pv; /* pointer to malloced string */ |
327 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
328 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 329 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 330 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
331 | MAGIC* xmg_magic; /* linked list of magicalness */ |
332 | HV* xmg_stash; /* class package */ | |
8990e307 | 333 | |
79072805 LW |
334 | GP* xgv_gp; |
335 | char* xgv_name; | |
336 | STRLEN xgv_namelen; | |
337 | HV* xgv_stash; | |
a5f75d66 | 338 | U8 xgv_flags; |
79072805 LW |
339 | }; |
340 | ||
341 | struct xpvbm { | |
ed6116ce LW |
342 | char * xpv_pv; /* pointer to malloced string */ |
343 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
344 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 345 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 346 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
347 | MAGIC* xmg_magic; /* linked list of magicalness */ |
348 | HV* xmg_stash; /* class package */ | |
8990e307 | 349 | |
79072805 LW |
350 | I32 xbm_useful; /* is this constant pattern being useful? */ |
351 | U16 xbm_previous; /* how many characters in string before rare? */ | |
352 | U8 xbm_rare; /* rarest character in string */ | |
353 | }; | |
354 | ||
a77f7f8b | 355 | /* This structure must match XPVCV in cv.h */ |
44a8e56a | 356 | |
77a005ab MB |
357 | typedef U16 cv_flags_t; |
358 | ||
79072805 | 359 | struct xpvfm { |
ed6116ce LW |
360 | char * xpv_pv; /* pointer to malloced string */ |
361 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
362 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 363 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 364 | NV xnv_nv; /* numeric value, if any */ |
79072805 LW |
365 | MAGIC* xmg_magic; /* linked list of magicalness */ |
366 | HV* xmg_stash; /* class package */ | |
8990e307 | 367 | |
79072805 LW |
368 | HV * xcv_stash; |
369 | OP * xcv_start; | |
370 | OP * xcv_root; | |
acfe0abc | 371 | void (*xcv_xsub)(pTHX_ CV*); |
a0d0e21e LW |
372 | ANY xcv_xsubany; |
373 | GV * xcv_gv; | |
57843af0 | 374 | char * xcv_file; |
b195d487 | 375 | long xcv_depth; /* >= 2 indicates recursive call */ |
79072805 | 376 | AV * xcv_padlist; |
748a9306 | 377 | CV * xcv_outside; |
4d1ff10f | 378 | #ifdef USE_5005THREADS |
f6d98b14 | 379 | perl_mutex *xcv_mutexp; /* protects xcv_owner */ |
52e1cb5e | 380 | struct perl_thread *xcv_owner; /* current owner thread */ |
4d1ff10f | 381 | #endif /* USE_5005THREADS */ |
77a005ab | 382 | cv_flags_t xcv_flags; |
d7afa7f5 JH |
383 | U32 xcv_outside_seq; /* the COP sequence (at the point of our |
384 | * compilation) in the lexically enclosing | |
385 | * sub */ | |
11a7ac70 | 386 | IV xfm_lines; |
79072805 LW |
387 | }; |
388 | ||
8990e307 LW |
389 | struct xpvio { |
390 | char * xpv_pv; /* pointer to malloced string */ | |
391 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
392 | STRLEN xpv_len; /* allocated size */ | |
a0d0e21e | 393 | IV xiv_iv; /* integer value or pv offset */ |
65202027 | 394 | NV xnv_nv; /* numeric value, if any */ |
8990e307 LW |
395 | MAGIC* xmg_magic; /* linked list of magicalness */ |
396 | HV* xmg_stash; /* class package */ | |
397 | ||
760ac839 LW |
398 | PerlIO * xio_ifp; /* ifp and ofp are normally the same */ |
399 | PerlIO * xio_ofp; /* but sockets need separate streams */ | |
4755096e GS |
400 | /* Cray addresses everything by word boundaries (64 bits) and |
401 | * code and data pointers cannot be mixed (which is exactly what | |
402 | * Perl_filter_add() tries to do with the dirp), hence the following | |
403 | * union trick (as suggested by Gurusamy Sarathy). | |
404 | * For further information see Geir Johansen's problem report titled | |
405 | [ID 20000612.002] Perl problem on Cray system | |
406 | * The any pointer (known as IoANY()) will also be a good place | |
407 | * to hang any IO disciplines to. | |
408 | */ | |
409 | union { | |
410 | DIR * xiou_dirp; /* for opendir, readdir, etc */ | |
411 | void * xiou_any; /* for alignment */ | |
412 | } xio_dirpu; | |
11a7ac70 JH |
413 | IV xio_lines; /* $. */ |
414 | IV xio_page; /* $% */ | |
415 | IV xio_page_len; /* $= */ | |
416 | IV xio_lines_left; /* $- */ | |
8990e307 LW |
417 | char * xio_top_name; /* $^ */ |
418 | GV * xio_top_gv; /* $^ */ | |
419 | char * xio_fmt_name; /* $~ */ | |
420 | GV * xio_fmt_gv; /* $~ */ | |
421 | char * xio_bottom_name;/* $^B */ | |
422 | GV * xio_bottom_gv; /* $^B */ | |
423 | short xio_subprocess; /* -| or |- */ | |
424 | char xio_type; | |
425 | char xio_flags; | |
426 | }; | |
4755096e GS |
427 | #define xio_dirp xio_dirpu.xiou_dirp |
428 | #define xio_any xio_dirpu.xiou_any | |
8990e307 | 429 | |
e0c19803 GS |
430 | #define IOf_ARGV 1 /* this fp iterates over ARGV */ |
431 | #define IOf_START 2 /* check for null ARGV and substitute '-' */ | |
432 | #define IOf_FLUSH 4 /* this fp wants a flush after write op */ | |
433 | #define IOf_DIDTOP 8 /* just did top of form */ | |
434 | #define IOf_UNTAINT 16 /* consider this fp (and its data) "safe" */ | |
435 | #define IOf_NOLINE 32 /* slurped a pseudo-line from empty file */ | |
436 | #define IOf_FAKE_DIRP 64 /* xio_dirp is fake (source filters kludge) */ | |
8990e307 | 437 | |
ed6116ce LW |
438 | /* The following macros define implementation-independent predicates on SVs. */ |
439 | ||
954c1994 GS |
440 | /* |
441 | =for apidoc Am|bool|SvNIOK|SV* sv | |
442 | Returns a boolean indicating whether the SV contains a number, integer or | |
443 | double. | |
444 | ||
445 | =for apidoc Am|bool|SvNIOKp|SV* sv | |
446 | Returns a boolean indicating whether the SV contains a number, integer or | |
447 | double. Checks the B<private> setting. Use C<SvNIOK>. | |
448 | ||
449 | =for apidoc Am|void|SvNIOK_off|SV* sv | |
450 | Unsets the NV/IV status of an SV. | |
451 | ||
452 | =for apidoc Am|bool|SvOK|SV* sv | |
a1e5c4b6 NC |
453 | Returns a boolean indicating whether the value is an SV. It also tells |
454 | whether the value is defined or not. | |
954c1994 GS |
455 | |
456 | =for apidoc Am|bool|SvIOKp|SV* sv | |
457 | Returns a boolean indicating whether the SV contains an integer. Checks | |
458 | the B<private> setting. Use C<SvIOK>. | |
459 | ||
460 | =for apidoc Am|bool|SvNOKp|SV* sv | |
461 | Returns a boolean indicating whether the SV contains a double. Checks the | |
462 | B<private> setting. Use C<SvNOK>. | |
463 | ||
464 | =for apidoc Am|bool|SvPOKp|SV* sv | |
465 | Returns a boolean indicating whether the SV contains a character string. | |
466 | Checks the B<private> setting. Use C<SvPOK>. | |
467 | ||
468 | =for apidoc Am|bool|SvIOK|SV* sv | |
469 | Returns a boolean indicating whether the SV contains an integer. | |
470 | ||
471 | =for apidoc Am|void|SvIOK_on|SV* sv | |
472 | Tells an SV that it is an integer. | |
473 | ||
474 | =for apidoc Am|void|SvIOK_off|SV* sv | |
475 | Unsets the IV status of an SV. | |
476 | ||
477 | =for apidoc Am|void|SvIOK_only|SV* sv | |
478 | Tells an SV that it is an integer and disables all other OK bits. | |
479 | ||
e331fc52 JH |
480 | =for apidoc Am|void|SvIOK_only_UV|SV* sv |
481 | Tells and SV that it is an unsigned integer and disables all other OK bits. | |
482 | ||
2ef4a045 | 483 | =for apidoc Am|bool|SvIOK_UV|SV* sv |
e331fc52 JH |
484 | Returns a boolean indicating whether the SV contains an unsigned integer. |
485 | ||
28e5dec8 JH |
486 | =for apidoc Am|void|SvUOK|SV* sv |
487 | Returns a boolean indicating whether the SV contains an unsigned integer. | |
488 | ||
2ef4a045 | 489 | =for apidoc Am|bool|SvIOK_notUV|SV* sv |
d1be9408 | 490 | Returns a boolean indicating whether the SV contains a signed integer. |
e331fc52 | 491 | |
954c1994 GS |
492 | =for apidoc Am|bool|SvNOK|SV* sv |
493 | Returns a boolean indicating whether the SV contains a double. | |
494 | ||
495 | =for apidoc Am|void|SvNOK_on|SV* sv | |
496 | Tells an SV that it is a double. | |
497 | ||
498 | =for apidoc Am|void|SvNOK_off|SV* sv | |
499 | Unsets the NV status of an SV. | |
500 | ||
501 | =for apidoc Am|void|SvNOK_only|SV* sv | |
502 | Tells an SV that it is a double and disables all other OK bits. | |
503 | ||
504 | =for apidoc Am|bool|SvPOK|SV* sv | |
505 | Returns a boolean indicating whether the SV contains a character | |
506 | string. | |
507 | ||
508 | =for apidoc Am|void|SvPOK_on|SV* sv | |
509 | Tells an SV that it is a string. | |
510 | ||
511 | =for apidoc Am|void|SvPOK_off|SV* sv | |
512 | Unsets the PV status of an SV. | |
513 | ||
514 | =for apidoc Am|void|SvPOK_only|SV* sv | |
515 | Tells an SV that it is a string and disables all other OK bits. | |
cd458e05 | 516 | Will also turn off the UTF-8 status. |
954c1994 GS |
517 | |
518 | =for apidoc Am|bool|SvOOK|SV* sv | |
519 | Returns a boolean indicating whether the SvIVX is a valid offset value for | |
520 | the SvPVX. This hack is used internally to speed up removal of characters | |
521 | from the beginning of a SvPV. When SvOOK is true, then the start of the | |
522 | allocated string buffer is really (SvPVX - SvIVX). | |
523 | ||
524 | =for apidoc Am|bool|SvROK|SV* sv | |
525 | Tests if the SV is an RV. | |
526 | ||
527 | =for apidoc Am|void|SvROK_on|SV* sv | |
528 | Tells an SV that it is an RV. | |
529 | ||
530 | =for apidoc Am|void|SvROK_off|SV* sv | |
531 | Unsets the RV status of an SV. | |
532 | ||
533 | =for apidoc Am|SV*|SvRV|SV* sv | |
534 | Dereferences an RV to return the SV. | |
535 | ||
536 | =for apidoc Am|IV|SvIVX|SV* sv | |
645c22ef DM |
537 | Returns the raw value in the SV's IV slot, without checks or conversions. |
538 | Only use when you are sure SvIOK is true. See also C<SvIV()>. | |
954c1994 GS |
539 | |
540 | =for apidoc Am|UV|SvUVX|SV* sv | |
645c22ef DM |
541 | Returns the raw value in the SV's UV slot, without checks or conversions. |
542 | Only use when you are sure SvIOK is true. See also C<SvUV()>. | |
954c1994 GS |
543 | |
544 | =for apidoc Am|NV|SvNVX|SV* sv | |
645c22ef DM |
545 | Returns the raw value in the SV's NV slot, without checks or conversions. |
546 | Only use when you are sure SvNOK is true. See also C<SvNV()>. | |
954c1994 GS |
547 | |
548 | =for apidoc Am|char*|SvPVX|SV* sv | |
645c22ef | 549 | Returns a pointer to the physical string in the SV. The SV must contain a |
954c1994 GS |
550 | string. |
551 | ||
552 | =for apidoc Am|STRLEN|SvCUR|SV* sv | |
553 | Returns the length of the string which is in the SV. See C<SvLEN>. | |
554 | ||
555 | =for apidoc Am|STRLEN|SvLEN|SV* sv | |
659239a4 MG |
556 | Returns the size of the string buffer in the SV, not including any part |
557 | attributable to C<SvOOK>. See C<SvCUR>. | |
954c1994 GS |
558 | |
559 | =for apidoc Am|char*|SvEND|SV* sv | |
560 | Returns a pointer to the last character in the string which is in the SV. | |
561 | See C<SvCUR>. Access the character as *(SvEND(sv)). | |
562 | ||
563 | =for apidoc Am|HV*|SvSTASH|SV* sv | |
564 | Returns the stash of the SV. | |
565 | ||
5e7e76a3 | 566 | =for apidoc Am|void|SvIV_set|SV* sv|IV val |
0e61ce87 SP |
567 | Set the value of the IV pointer in sv to val. It is possible to perform |
568 | the same function of this macro with an lvalue assignment to C<SvIVX>. | |
569 | With future Perls, however, it will be more efficient to use | |
570 | C<SvIV_set> instead of the lvalue assignment to C<SvIVX>. | |
5e7e76a3 SP |
571 | |
572 | =for apidoc Am|void|SvNV_set|SV* sv|NV val | |
0e61ce87 | 573 | Set the value of the NV pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 SP |
574 | |
575 | =for apidoc Am|void|SvPV_set|SV* sv|char* val | |
0e61ce87 | 576 | Set the value of the PV pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 SP |
577 | |
578 | =for apidoc Am|void|SvUV_set|SV* sv|UV val | |
0e61ce87 | 579 | Set the value of the UV pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 SP |
580 | |
581 | =for apidoc Am|void|SvRV_set|SV* sv|SV* val | |
0e61ce87 | 582 | Set the value of the RV pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 SP |
583 | |
584 | =for apidoc Am|void|SvMAGIC_set|SV* sv|MAGIC* val | |
0e61ce87 | 585 | Set the value of the MAGIC pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 SP |
586 | |
587 | =for apidoc Am|void|SvSTASH_set|SV* sv|STASH* val | |
0e61ce87 | 588 | Set the value of the STASH pointer in sv to val. See C<SvIV_set>. |
5e7e76a3 | 589 | |
954c1994 | 590 | =for apidoc Am|void|SvCUR_set|SV* sv|STRLEN len |
0e61ce87 SP |
591 | Set the current length of the string which is in the SV. See C<SvCUR> |
592 | and C<SvIV_set>. | |
5e7e76a3 SP |
593 | |
594 | =for apidoc Am|void|SvLEN_set|SV* sv|STRLEN len | |
0e61ce87 | 595 | Set the actual length of the string which is in the SV. See C<SvIV_set>. |
954c1994 GS |
596 | |
597 | =cut | |
598 | */ | |
599 | ||
79072805 | 600 | #define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK)) |
748a9306 | 601 | #define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK)) |
a0d0e21e | 602 | #define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \ |
25da4f38 | 603 | SVp_IOK|SVp_NOK|SVf_IVisUV)) |
79072805 | 604 | |
653fb8f3 | 605 | #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) |
56b65a99 | 606 | #define assert_not_ROK(sv) ({assert(!SvROK(sv) || !SvRV(sv));}), |
137365c5 | 607 | #else |
ecde6dd6 | 608 | #define assert_not_ROK(sv) |
137365c5 JH |
609 | #endif |
610 | ||
463ee0b2 | 611 | #define SvOK(sv) (SvFLAGS(sv) & SVf_OK) |
ecde6dd6 | 612 | #define SvOK_off(sv) (assert_not_ROK(sv) \ |
137365c5 | 613 | SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
d41ff1b8 | 614 | SVf_IVisUV|SVf_UTF8), \ |
25da4f38 | 615 | SvOOK_off(sv)) |
ecde6dd6 | 616 | #define SvOK_off_exc_UV(sv) (assert_not_ROK(sv) \ |
137365c5 | 617 | SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
d41ff1b8 | 618 | SVf_UTF8), \ |
a0d0e21e | 619 | SvOOK_off(sv)) |
79072805 | 620 | |
8990e307 LW |
621 | #define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) |
622 | #define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK) | |
155aba94 | 623 | #define SvIOKp_on(sv) ((void)SvOOK_off(sv), SvFLAGS(sv) |= SVp_IOK) |
8990e307 LW |
624 | #define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK) |
625 | #define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK) | |
626 | #define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK) | |
ecde6dd6 | 627 | #define SvPOKp_on(sv) (assert_not_ROK(sv) \ |
137365c5 | 628 | SvFLAGS(sv) |= SVp_POK) |
463ee0b2 | 629 | |
79072805 | 630 | #define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK) |
155aba94 | 631 | #define SvIOK_on(sv) ((void)SvOOK_off(sv), \ |
a0d0e21e | 632 | SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
25da4f38 | 633 | #define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK|SVf_IVisUV)) |
7460c263 | 634 | #define SvIOK_only(sv) (SvOK_off(sv), \ |
a0d0e21e | 635 | SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
7460c263 | 636 | #define SvIOK_only_UV(sv) (SvOK_off_exc_UV(sv), \ |
25da4f38 | 637 | SvFLAGS(sv) |= (SVf_IOK|SVp_IOK)) |
70401c6b | 638 | |
25da4f38 IZ |
639 | #define SvIOK_UV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \ |
640 | == (SVf_IOK|SVf_IVisUV)) | |
28e5dec8 | 641 | #define SvUOK(sv) SvIOK_UV(sv) |
25da4f38 IZ |
642 | #define SvIOK_notUV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \ |
643 | == SVf_IOK) | |
644 | ||
7d7ce6cc | 645 | #define SvVOK(sv) (SvMAGICAL(sv) && mg_find(sv,'V')) |
25da4f38 IZ |
646 | #define SvIsUV(sv) (SvFLAGS(sv) & SVf_IVisUV) |
647 | #define SvIsUV_on(sv) (SvFLAGS(sv) |= SVf_IVisUV) | |
648 | #define SvIsUV_off(sv) (SvFLAGS(sv) &= ~SVf_IVisUV) | |
79072805 LW |
649 | |
650 | #define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK) | |
a0d0e21e | 651 | #define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK)) |
8990e307 | 652 | #define SvNOK_off(sv) (SvFLAGS(sv) &= ~(SVf_NOK|SVp_NOK)) |
7460c263 | 653 | #define SvNOK_only(sv) (SvOK_off(sv), \ |
a0d0e21e | 654 | SvFLAGS(sv) |= (SVf_NOK|SVp_NOK)) |
79072805 | 655 | |
914184e1 | 656 | /* |
2ef4a045 | 657 | =for apidoc Am|bool|SvUTF8|SV* sv |
914184e1 JH |
658 | Returns a boolean indicating whether the SV contains UTF-8 encoded data. |
659 | ||
660 | =for apidoc Am|void|SvUTF8_on|SV *sv | |
cd458e05 | 661 | Turn on the UTF-8 status of an SV (the data is not changed, just the flag). |
d5ce4a7c | 662 | Do not use frivolously. |
914184e1 JH |
663 | |
664 | =for apidoc Am|void|SvUTF8_off|SV *sv | |
cd458e05 | 665 | Unsets the UTF-8 status of an SV. |
914184e1 JH |
666 | |
667 | =for apidoc Am|void|SvPOK_only_UTF8|SV* sv | |
d5ce4a7c | 668 | Tells an SV that it is a string and disables all other OK bits, |
cd458e05 | 669 | and leaves the UTF-8 status as it was. |
f1a1024e | 670 | |
914184e1 JH |
671 | =cut |
672 | */ | |
673 | ||
a7cb1f99 GS |
674 | #define SvUTF8(sv) (SvFLAGS(sv) & SVf_UTF8) |
675 | #define SvUTF8_on(sv) (SvFLAGS(sv) |= (SVf_UTF8)) | |
676 | #define SvUTF8_off(sv) (SvFLAGS(sv) &= ~(SVf_UTF8)) | |
5bc28da9 | 677 | |
79072805 | 678 | #define SvPOK(sv) (SvFLAGS(sv) & SVf_POK) |
ecde6dd6 | 679 | #define SvPOK_on(sv) (assert_not_ROK(sv) \ |
137365c5 | 680 | SvFLAGS(sv) |= (SVf_POK|SVp_POK)) |
8990e307 | 681 | #define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK)) |
ecde6dd6 | 682 | #define SvPOK_only(sv) (assert_not_ROK(sv) \ |
137365c5 | 683 | SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
d41ff1b8 GS |
684 | SVf_IVisUV|SVf_UTF8), \ |
685 | SvFLAGS(sv) |= (SVf_POK|SVp_POK)) | |
ecde6dd6 | 686 | #define SvPOK_only_UTF8(sv) (assert_not_ROK(sv) \ |
137365c5 | 687 | SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \ |
d41ff1b8 | 688 | SVf_IVisUV), \ |
a0d0e21e | 689 | SvFLAGS(sv) |= (SVf_POK|SVp_POK)) |
79072805 LW |
690 | |
691 | #define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK) | |
155aba94 | 692 | #define SvOOK_on(sv) ((void)SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK) |
7460c263 | 693 | #define SvOOK_off(sv) ((void)(SvOOK(sv) && sv_backoff(sv))) |
79072805 | 694 | |
a0d0e21e LW |
695 | #define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE) |
696 | #define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE) | |
697 | #define SvFAKE_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE) | |
698 | ||
ed6116ce | 699 | #define SvROK(sv) (SvFLAGS(sv) & SVf_ROK) |
a0d0e21e | 700 | #define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK) |
a0d0e21e | 701 | #define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC)) |
79072805 | 702 | |
8990e307 LW |
703 | #define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG)) |
704 | #define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG)) | |
705 | #define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~(SVs_GMG|SVs_SMG|SVs_RMG)) | |
79072805 | 706 | |
8990e307 LW |
707 | #define SvGMAGICAL(sv) (SvFLAGS(sv) & SVs_GMG) |
708 | #define SvGMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_GMG) | |
709 | #define SvGMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_GMG) | |
ed6116ce | 710 | |
8990e307 LW |
711 | #define SvSMAGICAL(sv) (SvFLAGS(sv) & SVs_SMG) |
712 | #define SvSMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_SMG) | |
713 | #define SvSMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_SMG) | |
ed6116ce | 714 | |
8990e307 LW |
715 | #define SvRMAGICAL(sv) (SvFLAGS(sv) & SVs_RMG) |
716 | #define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG) | |
717 | #define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG) | |
ed6116ce | 718 | |
9e7bc3e8 JD |
719 | #define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC) |
720 | #define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC) | |
721 | #define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC) | |
a0d0e21e | 722 | |
8cf8f3d1 | 723 | #define SvGAMAGIC(sv) (SvFLAGS(sv) & (SVs_GMG|SVf_AMAGIC)) |
1426bbf4 | 724 | |
a0d0e21e LW |
725 | /* |
726 | #define Gv_AMG(stash) \ | |
727 | (HV_AMAGICmb(stash) && \ | |
728 | ((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash))) | |
729 | */ | |
3280af22 | 730 | #define Gv_AMG(stash) (PL_amagic_generation && Gv_AMupdate(stash)) |
a0d0e21e | 731 | |
810b8aa5 GS |
732 | #define SvWEAKREF(sv) ((SvFLAGS(sv) & (SVf_ROK|SVprv_WEAKREF)) \ |
733 | == (SVf_ROK|SVprv_WEAKREF)) | |
734 | #define SvWEAKREF_on(sv) (SvFLAGS(sv) |= (SVf_ROK|SVprv_WEAKREF)) | |
735 | #define SvWEAKREF_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVprv_WEAKREF)) | |
736 | ||
a0d0e21e | 737 | #define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST) |
ed6116ce | 738 | |
8990e307 | 739 | #define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY) |
ed6116ce | 740 | |
8990e307 LW |
741 | #define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP) |
742 | #define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY) | |
743 | #define SvPADTMP_off(sv) (SvFLAGS(sv) &= ~SVs_PADTMP) | |
ed6116ce | 744 | |
8990e307 LW |
745 | #define SvPADMY(sv) (SvFLAGS(sv) & SVs_PADMY) |
746 | #define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY|SVs_PADBUSY) | |
ed6116ce | 747 | |
8990e307 LW |
748 | #define SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP) |
749 | #define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP) | |
750 | #define SvTEMP_off(sv) (SvFLAGS(sv) &= ~SVs_TEMP) | |
79072805 | 751 | |
8990e307 LW |
752 | #define SvOBJECT(sv) (SvFLAGS(sv) & SVs_OBJECT) |
753 | #define SvOBJECT_on(sv) (SvFLAGS(sv) |= SVs_OBJECT) | |
754 | #define SvOBJECT_off(sv) (SvFLAGS(sv) &= ~SVs_OBJECT) | |
79072805 | 755 | |
8990e307 LW |
756 | #define SvREADONLY(sv) (SvFLAGS(sv) & SVf_READONLY) |
757 | #define SvREADONLY_on(sv) (SvFLAGS(sv) |= SVf_READONLY) | |
758 | #define SvREADONLY_off(sv) (SvFLAGS(sv) &= ~SVf_READONLY) | |
79072805 | 759 | |
8990e307 LW |
760 | #define SvSCREAM(sv) (SvFLAGS(sv) & SVp_SCREAM) |
761 | #define SvSCREAM_on(sv) (SvFLAGS(sv) |= SVp_SCREAM) | |
762 | #define SvSCREAM_off(sv) (SvFLAGS(sv) &= ~SVp_SCREAM) | |
79072805 | 763 | |
8990e307 LW |
764 | #define SvCOMPILED(sv) (SvFLAGS(sv) & SVpfm_COMPILED) |
765 | #define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED) | |
766 | #define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED) | |
79072805 | 767 | |
25da4f38 IZ |
768 | #define SvEVALED(sv) (SvFLAGS(sv) & SVrepl_EVAL) |
769 | #define SvEVALED_on(sv) (SvFLAGS(sv) |= SVrepl_EVAL) | |
770 | #define SvEVALED_off(sv) (SvFLAGS(sv) &= ~SVrepl_EVAL) | |
771 | ||
8990e307 LW |
772 | #define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL) |
773 | #define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL) | |
774 | #define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL) | |
775 | ||
8990e307 LW |
776 | #define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID) |
777 | #define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID) | |
778 | #define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID) | |
779 | ||
1cc8b4c5 AB |
780 | #ifdef USE_ITHREADS |
781 | /* The following uses the FAKE flag to show that a regex pointer is infact | |
8ca6097c | 782 | its own offset in the regexpad for ithreads */ |
1cc8b4c5 AB |
783 | #define SvREPADTMP(sv) (SvFLAGS(sv) & SVf_FAKE) |
784 | #define SvREPADTMP_on(sv) (SvFLAGS(sv) |= SVf_FAKE) | |
785 | #define SvREPADTMP_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE) | |
786 | #endif | |
787 | ||
ed6116ce LW |
788 | #define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv |
789 | #define SvRVx(sv) SvRV(sv) | |
790 | ||
463ee0b2 | 791 | #define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv |
ff68c719 | 792 | #define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv |
463ee0b2 | 793 | #define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv |
463ee0b2 | 794 | #define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv |
fc64cf4d NC |
795 | /* Given that these two are new, there can't be any existing code using them |
796 | * as LVALUEs */ | |
797 | #define SvPVX_mutable(sv) (0 + SvPVX(sv)) | |
798 | #define SvPVX_const(sv) ((const char*) (0 + SvPVX(sv))) | |
79072805 | 799 | #define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur |
79072805 | 800 | #define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len |
79072805 | 801 | #define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur) |
b43557d6 NC |
802 | |
803 | #define SvIVXx(sv) SvIVX(sv) | |
804 | #define SvUVXx(sv) SvUVX(sv) | |
805 | #define SvNVXx(sv) SvNVX(sv) | |
806 | #define SvPVXx(sv) SvPVX(sv) | |
807 | #define SvLENx(sv) SvLEN(sv) | |
6b88bc9c | 808 | #define SvENDx(sv) ((PL_Sv = (sv)), SvEND(PL_Sv)) |
79072805 LW |
809 | #define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic |
810 | #define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash | |
811 | ||
28e5dec8 JH |
812 | /* Ask a scalar nicely to try to become an IV, if possible. |
813 | Not guaranteed to stay returning void */ | |
814 | /* Macro won't actually call sv_2iv if already IOK */ | |
815 | #define SvIV_please(sv) \ | |
816 | STMT_START {if (!SvIOKp(sv) && (SvNOK(sv) || SvPOK(sv))) \ | |
817 | (void) SvIV(sv); } STMT_END | |
a8dc4fe8 SP |
818 | /* Put the asserts back at some point and figure out where they reveal bugs |
819 | */ | |
79072805 | 820 | #define SvIV_set(sv, val) \ |
80b92232 | 821 | STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \ |
0da6cfda | 822 | (((XPVIV*) SvANY(sv))->xiv_iv = (val)); } STMT_END |
79072805 | 823 | #define SvNV_set(sv, val) \ |
80b92232 | 824 | STMT_START { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \ |
b43557d6 | 825 | (((XPVNV*)SvANY(sv))->xnv_nv = (val)); } STMT_END |
a8dc4fe8 | 826 | /* assert(SvTYPE(sv) >= SVt_PV); */ |
79072805 | 827 | #define SvPV_set(sv, val) \ |
a8dc4fe8 | 828 | STMT_START { \ |
0da6cfda | 829 | (((XPV*) SvANY(sv))->xpv_pv = (val)); } STMT_END |
a8dc4fe8 | 830 | /* assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); */ |
0da6cfda | 831 | #define SvUV_set(sv, val) \ |
a8dc4fe8 | 832 | STMT_START { \ |
0da6cfda | 833 | (((XPVUV*)SvANY(sv))->xuv_uv = (val)); } STMT_END |
a8dc4fe8 SP |
834 | /* assert(SvTYPE(sv) >= SVt_RV); */ |
835 | #define SvRV_set(sv, val) \ | |
836 | STMT_START { \ | |
837 | (((XRV*)SvANY(sv))->xrv_rv = (val)); } STMT_END | |
838 | /* assert(SvTYPE(sv) >= SVt_PVMG); */ | |
839 | #define SvMAGIC_set(sv, val) \ | |
840 | STMT_START { \ | |
841 | (((XPVMG*)SvANY(sv))->xmg_magic = (val)); } STMT_END | |
842 | /* assert(SvTYPE(sv) >= SVt_PVMG); */ | |
843 | #define SvSTASH_set(sv, val) \ | |
844 | STMT_START { \ | |
845 | (((XPVMG*) SvANY(sv))->xmg_stash = (val)); } STMT_END | |
846 | /* assert(SvTYPE(sv) >= SVt_PV); */ | |
79072805 | 847 | #define SvCUR_set(sv, val) \ |
a8dc4fe8 SP |
848 | STMT_START { \ |
849 | (((XPV*) SvANY(sv))->xpv_cur = (val)); } STMT_END | |
850 | /* assert(SvTYPE(sv) >= SVt_PV); */ | |
79072805 | 851 | #define SvLEN_set(sv, val) \ |
a8dc4fe8 SP |
852 | STMT_START { \ |
853 | (((XPV*) SvANY(sv))->xpv_len = (val)); } STMT_END | |
79072805 | 854 | #define SvEND_set(sv, val) \ |
80b92232 | 855 | STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ |
1896a75e | 856 | (SvCUR(sv) = (val) - SvPVX(sv)); } STMT_END |
79072805 | 857 | |
ea5389ca NC |
858 | #define SvPV_renew(sv,n) \ |
859 | STMT_START { SvLEN_set(sv, n); \ | |
860 | SvPV_set((sv), (MEM_WRAP_CHECK_(n,char) \ | |
861 | (char*)saferealloc((Malloc_t)SvPVX(sv), \ | |
862 | (MEM_SIZE)((n))))); \ | |
863 | } STMT_END | |
864 | ||
865 | #define SvPV_shrink_to_cur(sv) STMT_START { \ | |
866 | const STRLEN _lEnGtH = SvCUR(sv) + 1; \ | |
867 | SvPV_renew(sv, _lEnGtH); \ | |
868 | } STMT_END | |
869 | ||
676a626c NC |
870 | #define SvPV_free(sv) \ |
871 | STMT_START { assert(SvTYPE(sv) >= SVt_PV); \ | |
872 | if (SvLEN(sv)) { \ | |
873 | if(SvOOK(sv)) { \ | |
874 | Safefree(SvPVX(sv) - SvIVX(sv)); \ | |
875 | SvFLAGS(sv) &= ~SVf_OOK; \ | |
876 | } else { \ | |
877 | Safefree(SvPVX(sv)); \ | |
878 | } \ | |
879 | } \ | |
880 | } STMT_END | |
881 | ||
79072805 LW |
882 | #define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare |
883 | #define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful | |
884 | #define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous | |
885 | ||
886 | #define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines | |
887 | ||
888 | #define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type | |
889 | #define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ | |
890 | #define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff | |
891 | #define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen | |
892 | ||
8990e307 LW |
893 | #define IoIFP(sv) ((XPVIO*) SvANY(sv))->xio_ifp |
894 | #define IoOFP(sv) ((XPVIO*) SvANY(sv))->xio_ofp | |
895 | #define IoDIRP(sv) ((XPVIO*) SvANY(sv))->xio_dirp | |
4755096e | 896 | #define IoANY(sv) ((XPVIO*) SvANY(sv))->xio_any |
8990e307 LW |
897 | #define IoLINES(sv) ((XPVIO*) SvANY(sv))->xio_lines |
898 | #define IoPAGE(sv) ((XPVIO*) SvANY(sv))->xio_page | |
899 | #define IoPAGE_LEN(sv) ((XPVIO*) SvANY(sv))->xio_page_len | |
900 | #define IoLINES_LEFT(sv)((XPVIO*) SvANY(sv))->xio_lines_left | |
901 | #define IoTOP_NAME(sv) ((XPVIO*) SvANY(sv))->xio_top_name | |
902 | #define IoTOP_GV(sv) ((XPVIO*) SvANY(sv))->xio_top_gv | |
903 | #define IoFMT_NAME(sv) ((XPVIO*) SvANY(sv))->xio_fmt_name | |
904 | #define IoFMT_GV(sv) ((XPVIO*) SvANY(sv))->xio_fmt_gv | |
905 | #define IoBOTTOM_NAME(sv)((XPVIO*) SvANY(sv))->xio_bottom_name | |
906 | #define IoBOTTOM_GV(sv) ((XPVIO*) SvANY(sv))->xio_bottom_gv | |
907 | #define IoSUBPROCESS(sv)((XPVIO*) SvANY(sv))->xio_subprocess | |
908 | #define IoTYPE(sv) ((XPVIO*) SvANY(sv))->xio_type | |
909 | #define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags | |
910 | ||
50952442 | 911 | /* IoTYPE(sv) is a single character telling the type of I/O connection. */ |
f3c7dfbe JH |
912 | #define IoTYPE_RDONLY '<' |
913 | #define IoTYPE_WRONLY '>' | |
914 | #define IoTYPE_RDWR '+' | |
915 | #define IoTYPE_APPEND 'a' | |
916 | #define IoTYPE_PIPE '|' | |
917 | #define IoTYPE_STD '-' /* stdin or stdout */ | |
918 | #define IoTYPE_SOCKET 's' | |
919 | #define IoTYPE_CLOSED ' ' | |
920 | #define IoTYPE_IMPLICIT 'I' /* stdin or stdout or stderr */ | |
921 | #define IoTYPE_NUMERIC '#' /* fdopen */ | |
03fcf2fc GS |
922 | |
923 | /* | |
954c1994 GS |
924 | =for apidoc Am|bool|SvTAINTED|SV* sv |
925 | Checks to see if an SV is tainted. Returns TRUE if it is, FALSE if | |
926 | not. | |
927 | ||
928 | =for apidoc Am|void|SvTAINTED_on|SV* sv | |
702faa49 | 929 | Marks an SV as tainted if tainting is enabled. |
954c1994 GS |
930 | |
931 | =for apidoc Am|void|SvTAINTED_off|SV* sv | |
932 | Untaints an SV. Be I<very> careful with this routine, as it short-circuits | |
933 | some of Perl's fundamental security features. XS module authors should not | |
934 | use this function unless they fully understand all the implications of | |
935 | unconditionally untainting the value. Untainting should be done in the | |
936 | standard perl fashion, via a carefully crafted regexp, rather than directly | |
937 | untainting variables. | |
938 | ||
939 | =for apidoc Am|void|SvTAINT|SV* sv | |
702faa49 | 940 | Taints an SV if tainting is enabled. |
954c1994 GS |
941 | |
942 | =cut | |
943 | */ | |
944 | ||
0e2d6244 | 945 | #define sv_taint(sv) sv_magic((sv), NULL, PERL_MAGIC_taint, NULL, 0) |
05b233af | 946 | |
bbce6d69 | 947 | #define SvTAINTED(sv) (SvMAGICAL(sv) && sv_tainted(sv)) |
3280af22 NIS |
948 | #define SvTAINTED_on(sv) STMT_START{ if(PL_tainting){sv_taint(sv);} }STMT_END |
949 | #define SvTAINTED_off(sv) STMT_START{ if(PL_tainting){sv_untaint(sv);} }STMT_END | |
bbce6d69 | 950 | |
c6ee37c5 MB |
951 | #define SvTAINT(sv) \ |
952 | STMT_START { \ | |
3280af22 | 953 | if (PL_tainting) { \ |
3280af22 | 954 | if (PL_tainted) \ |
c6ee37c5 MB |
955 | SvTAINTED_on(sv); \ |
956 | } \ | |
957 | } STMT_END | |
79072805 | 958 | |
954c1994 GS |
959 | /* |
960 | =for apidoc Am|char*|SvPV_force|SV* sv|STRLEN len | |
5f08bad4 ST |
961 | Like C<SvPV> but will force the SV into containing just a string |
962 | (C<SvPOK_only>). You want force if you are going to update the C<SvPVX> | |
963 | directly. | |
954c1994 | 964 | |
645c22ef | 965 | =for apidoc Am|char*|SvPV_force_nomg|SV* sv|STRLEN len |
5f08bad4 ST |
966 | Like C<SvPV> but will force the SV into containing just a string |
967 | (C<SvPOK_only>). You want force if you are going to update the C<SvPVX> | |
968 | directly. Doesn't process magic. | |
645c22ef | 969 | |
954c1994 | 970 | =for apidoc Am|char*|SvPV|SV* sv|STRLEN len |
5f08bad4 ST |
971 | Returns a pointer to the string in the SV, or a stringified form of |
972 | the SV if the SV does not contain a string. The SV may cache the | |
973 | stringified version becoming C<SvPOK>. Handles 'get' magic. See also | |
645c22ef DM |
974 | C<SvPVx> for a version which guarantees to evaluate sv only once. |
975 | ||
976 | =for apidoc Am|char*|SvPVx|SV* sv|STRLEN len | |
977 | A version of C<SvPV> which guarantees to evaluate sv only once. | |
954c1994 | 978 | |
891f9566 YST |
979 | =for apidoc Am|char*|SvPV_nomg|SV* sv|STRLEN len |
980 | Like C<SvPV> but doesn't process magic. | |
981 | ||
954c1994 | 982 | =for apidoc Am|char*|SvPV_nolen|SV* sv |
5f08bad4 ST |
983 | Returns a pointer to the string in the SV, or a stringified form of |
984 | the SV if the SV does not contain a string. The SV may cache the | |
985 | stringified form becoming C<SvPOK>. Handles 'get' magic. | |
954c1994 GS |
986 | |
987 | =for apidoc Am|IV|SvIV|SV* sv | |
645c22ef DM |
988 | Coerces the given SV to an integer and returns it. See C<SvIVx> for a |
989 | version which guarantees to evaluate sv only once. | |
990 | ||
891f9566 YST |
991 | =for apidoc Am|IV|SvIV_nomg|SV* sv |
992 | Like C<SvIV> but doesn't process magic. | |
993 | ||
645c22ef DM |
994 | =for apidoc Am|IV|SvIVx|SV* sv |
995 | Coerces the given SV to an integer and returns it. Guarantees to evaluate | |
d1be9408 | 996 | sv only once. Use the more efficient C<SvIV> otherwise. |
954c1994 GS |
997 | |
998 | =for apidoc Am|NV|SvNV|SV* sv | |
645c22ef DM |
999 | Coerce the given SV to a double and return it. See C<SvNVx> for a version |
1000 | which guarantees to evaluate sv only once. | |
1001 | ||
1002 | =for apidoc Am|NV|SvNVx|SV* sv | |
1003 | Coerces the given SV to a double and returns it. Guarantees to evaluate | |
d1be9408 | 1004 | sv only once. Use the more efficient C<SvNV> otherwise. |
954c1994 GS |
1005 | |
1006 | =for apidoc Am|UV|SvUV|SV* sv | |
645c22ef DM |
1007 | Coerces the given SV to an unsigned integer and returns it. See C<SvUVx> |
1008 | for a version which guarantees to evaluate sv only once. | |
1009 | ||
891f9566 YST |
1010 | =for apidoc Am|UV|SvUV_nomg|SV* sv |
1011 | Like C<SvUV> but doesn't process magic. | |
1012 | ||
645c22ef DM |
1013 | =for apidoc Am|UV|SvUVx|SV* sv |
1014 | Coerces the given SV to an unsigned integer and returns it. Guarantees to | |
d1be9408 | 1015 | evaluate sv only once. Use the more efficient C<SvUV> otherwise. |
954c1994 GS |
1016 | |
1017 | =for apidoc Am|bool|SvTRUE|SV* sv | |
1018 | Returns a boolean indicating whether Perl would evaluate the SV as true or | |
1019 | false, defined or undefined. Does not handle 'get' magic. | |
1020 | ||
645c22ef | 1021 | =for apidoc Am|char*|SvPVutf8_force|SV* sv|STRLEN len |
b70b15d2 | 1022 | Like C<SvPV_force>, but converts sv to utf8 first if necessary. |
645c22ef DM |
1023 | |
1024 | =for apidoc Am|char*|SvPVutf8|SV* sv|STRLEN len | |
b70b15d2 | 1025 | Like C<SvPV>, but converts sv to utf8 first if necessary. |
645c22ef | 1026 | |
b70b15d2 TJ |
1027 | =for apidoc Am|char*|SvPVutf8_nolen|SV* sv |
1028 | Like C<SvPV_nolen>, but converts sv to utf8 first if necessary. | |
645c22ef DM |
1029 | |
1030 | =for apidoc Am|char*|SvPVbyte_force|SV* sv|STRLEN len | |
1031 | Like C<SvPV_force>, but converts sv to byte representation first if necessary. | |
1032 | ||
1033 | =for apidoc Am|char*|SvPVbyte|SV* sv|STRLEN len | |
1034 | Like C<SvPV>, but converts sv to byte representation first if necessary. | |
1035 | ||
b70b15d2 | 1036 | =for apidoc Am|char*|SvPVbyte_nolen|SV* sv |
645c22ef DM |
1037 | Like C<SvPV_nolen>, but converts sv to byte representation first if necessary. |
1038 | ||
1039 | =for apidoc Am|char*|SvPVutf8x_force|SV* sv|STRLEN len | |
b70b15d2 | 1040 | Like C<SvPV_force>, but converts sv to utf8 first if necessary. |
d1be9408 | 1041 | Guarantees to evaluate sv only once; use the more efficient C<SvPVutf8_force> |
645c22ef DM |
1042 | otherwise. |
1043 | ||
1044 | =for apidoc Am|char*|SvPVutf8x|SV* sv|STRLEN len | |
b70b15d2 | 1045 | Like C<SvPV>, but converts sv to utf8 first if necessary. |
d1be9408 | 1046 | Guarantees to evaluate sv only once; use the more efficient C<SvPVutf8> |
645c22ef DM |
1047 | otherwise. |
1048 | ||
1049 | =for apidoc Am|char*|SvPVbytex_force|SV* sv|STRLEN len | |
1050 | Like C<SvPV_force>, but converts sv to byte representation first if necessary. | |
d1be9408 | 1051 | Guarantees to evaluate sv only once; use the more efficient C<SvPVbyte_force> |
645c22ef DM |
1052 | otherwise. |
1053 | ||
1054 | =for apidoc Am|char*|SvPVbytex|SV* sv|STRLEN len | |
1055 | Like C<SvPV>, but converts sv to byte representation first if necessary. | |
d1be9408 | 1056 | Guarantees to evaluate sv only once; use the more efficient C<SvPVbyte> |
645c22ef DM |
1057 | otherwise. |
1058 | ||
fd4f854d NC |
1059 | =for apidoc Am|bool|SvIsCOW|SV* sv |
1060 | Returns a boolean indicating whether the SV is Copy-On-Write. (either shared | |
1061 | hash key scalars, or full Copy On Write scalars if 5.9.0 is configured for | |
1062 | COW) | |
1063 | ||
1064 | =for apidoc Am|bool|SvIsCOW_shared_hash|SV* sv | |
1065 | Returns a boolean indicating whether the SV is Copy-On-Write shared hash key | |
1066 | scalar. | |
645c22ef | 1067 | |
40d34c0d SB |
1068 | =for apidoc Am|void|sv_catpvn_nomg|SV* sv|const char* ptr|STRLEN len |
1069 | Like C<sv_catpvn> but doesn't process magic. | |
1070 | ||
1071 | =for apidoc Am|void|sv_setsv_nomg|SV* dsv|SV* ssv | |
1072 | Like C<sv_setsv> but doesn't process magic. | |
1073 | ||
1074 | =for apidoc Am|void|sv_catsv_nomg|SV* dsv|SV* ssv | |
1075 | Like C<sv_catsv> but doesn't process magic. | |
1076 | ||
954c1994 GS |
1077 | =cut |
1078 | */ | |
1079 | ||
25da4f38 | 1080 | /* Let us hope that bitmaps for UV and IV are the same */ |
463ee0b2 | 1081 | #define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) |
ff68c719 | 1082 | #define SvUV(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv(sv)) |
463ee0b2 | 1083 | #define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)) |
79072805 | 1084 | |
891f9566 YST |
1085 | #define SvIV_nomg(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv_flags(sv, 0)) |
1086 | #define SvUV_nomg(sv) (SvIOK(sv) ? SvUVX(sv) : sv_2uv_flags(sv, 0)) | |
1087 | ||
baca2b92 | 1088 | /* ----*/ |
8d6d96c1 | 1089 | |
8d6d96c1 | 1090 | #define SvPV(sv, lp) SvPV_flags(sv, lp, SV_GMAGIC) |
8ec8dcb0 | 1091 | #define SvPV_const(sv, lp) SvPV_flags_const(sv, lp, SV_GMAGIC) |
b92a0170 | 1092 | #define SvPV_mutable(sv, lp) SvPV_flags_mutable(sv, lp, SV_GMAGIC) |
8d6d96c1 | 1093 | |
8d6d96c1 HS |
1094 | #define SvPV_flags(sv, lp, flags) \ |
1095 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ | |
1096 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv_flags(sv, &lp, flags)) | |
8ec8dcb0 NC |
1097 | #define SvPV_flags_const(sv, lp, flags) \ |
1098 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ | |
1099 | ? ((lp = SvCUR(sv)), SvPVX_const(sv)) : \ | |
1100 | (const char*) sv_2pv_flags(sv, &lp, flags|SV_CONST_RETURN)) | |
c53afe68 NC |
1101 | #define SvPV_flags_const_nolen(sv, flags) \ |
1102 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ | |
1103 | ? SvPVX_const(sv) : \ | |
1104 | (const char*) sv_2pv_flags(sv, 0, flags|SV_CONST_RETURN)) | |
b92a0170 NC |
1105 | #define SvPV_flags_mutable(sv, lp, flags) \ |
1106 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ | |
1107 | ? ((lp = SvCUR(sv)), SvPVX_mutable(sv)) : \ | |
1108 | sv_2pv_flags(sv, &lp, flags|SV_MUTABLE_RETURN)) | |
79072805 | 1109 | |
8d6d96c1 | 1110 | #define SvPV_force(sv, lp) SvPV_force_flags(sv, lp, SV_GMAGIC) |
291a7e74 | 1111 | #define SvPV_force_nolen(sv) SvPV_force_flags_nolen(sv, SV_GMAGIC) |
8ec8dcb0 | 1112 | #define SvPV_force_mutable(sv, lp) SvPV_force_flags_mutable(sv, lp, SV_GMAGIC) |
baca2b92 | 1113 | |
8d6d96c1 | 1114 | #define SvPV_force_nomg(sv, lp) SvPV_force_flags(sv, lp, 0) |
c53afe68 | 1115 | #define SvPV_force_nomg_nolen(sv) SvPV_force_flags_nolen(sv, 0) |
8d6d96c1 | 1116 | |
8d6d96c1 | 1117 | #define SvPV_force_flags(sv, lp, flags) \ |
ff68c719 | 1118 | ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \ |
8d6d96c1 | 1119 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force_flags(sv, &lp, flags)) |
291a7e74 NC |
1120 | #define SvPV_force_flags_nolen(sv, flags) \ |
1121 | ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \ | |
1122 | ? SvPVX(sv) : sv_pvn_force_flags(sv, 0, flags)) | |
8ec8dcb0 NC |
1123 | #define SvPV_force_flags_mutable(sv, lp, flags) \ |
1124 | ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \ | |
1125 | ? ((lp = SvCUR(sv)), SvPVX_mutable(sv)) \ | |
1126 | : sv_pvn_force_flags(sv, &lp, flags|SV_MUTABLE_RETURN)) | |
a0d0e21e | 1127 | |
1fa8b10d | 1128 | #define SvPV_nolen(sv) \ |
5bc28da9 | 1129 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ |
b92a0170 NC |
1130 | ? SvPVX(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC)) |
1131 | ||
1132 | #define SvPV_nolen_const(sv) \ | |
1133 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ | |
1134 | ? SvPVX_const(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC|SV_CONST_RETURN)) | |
70401c6b | 1135 | |
baca2b92 | 1136 | #define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0) |
b92a0170 | 1137 | #define SvPV_nomg_const(sv, lp) SvPV_flags_const(sv, lp, 0) |
c53afe68 | 1138 | #define SvPV_nomg_const_nolen(sv) SvPV_flags_const_nolen(sv, 0) |
5bc28da9 | 1139 | |
baca2b92 | 1140 | /* ----*/ |
70401c6b | 1141 | |
5bc28da9 NIS |
1142 | #define SvPVutf8(sv, lp) \ |
1143 | ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8) \ | |
1144 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvutf8(sv, &lp)) | |
70401c6b | 1145 | |
5bc28da9 | 1146 | #define SvPVutf8_force(sv, lp) \ |
70401c6b | 1147 | ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == (SVf_POK|SVf_UTF8) \ |
5bc28da9 NIS |
1148 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvutf8n_force(sv, &lp)) |
1149 | ||
baca2b92 | 1150 | |
5bc28da9 NIS |
1151 | #define SvPVutf8_nolen(sv) \ |
1152 | ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\ | |
b92a0170 | 1153 | ? SvPVX(sv) : sv_2pvutf8(sv, 0)) |
70401c6b | 1154 | |
baca2b92 DM |
1155 | /* ----*/ |
1156 | ||
5bc28da9 NIS |
1157 | #define SvPVbyte(sv, lp) \ |
1158 | ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \ | |
1159 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pvbyte(sv, &lp)) | |
70401c6b | 1160 | |
5bc28da9 NIS |
1161 | #define SvPVbyte_force(sv, lp) \ |
1162 | ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8|SVf_THINKFIRST)) == (SVf_POK) \ | |
2c2a9fc1 | 1163 | ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvbyten_force(sv, &lp)) |
5bc28da9 | 1164 | |
5bc28da9 NIS |
1165 | #define SvPVbyte_nolen(sv) \ |
1166 | ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\ | |
b92a0170 | 1167 | ? SvPVX(sv) : sv_2pvbyte(sv, 0)) |
70401c6b | 1168 | |
1fa8b10d | 1169 | |
baca2b92 DM |
1170 | |
1171 | /* define FOOx(): idempotent versions of FOO(). If possible, use a local | |
1172 | * var to evaluate the arg once; failing that, use a global if possible; | |
1173 | * failing that, call a function to do the work | |
1174 | */ | |
1175 | ||
1176 | #define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp) | |
1177 | #define SvPVutf8x_force(sv, lp) sv_pvutf8n_force(sv, &lp) | |
1178 | #define SvPVbytex_force(sv, lp) sv_pvbyten_force(sv, &lp) | |
1179 | ||
653fb8f3 | 1180 | #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) |
baca2b92 | 1181 | |
f123e731 NC |
1182 | # define SvIVx(sv) ({SV *_sv = (SV*)(sv); SvIV(_sv); }) |
1183 | # define SvUVx(sv) ({SV *_sv = (SV*)(sv); SvUV(_sv); }) | |
1184 | # define SvNVx(sv) ({SV *_sv = (SV*)(sv); SvNV(_sv); }) | |
1185 | # define SvPVx(sv, lp) ({SV *_sv = (sv); SvPV(_sv, lp); }) | |
8ec8dcb0 | 1186 | # define SvPVx_const(sv, lp) ({SV *_sv = (sv); SvPV_const(_sv, lp); }) |
b92a0170 NC |
1187 | # define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); }) |
1188 | # define SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); }) | |
f123e731 NC |
1189 | # define SvPVutf8x(sv, lp) ({SV *_sv = (sv); SvPVutf8(_sv, lp); }) |
1190 | # define SvPVbytex(sv, lp) ({SV *_sv = (sv); SvPVbyte(_sv, lp); }) | |
b92a0170 | 1191 | # define SvPVbytex_nolen(sv) ({SV *_sv = (sv); SvPVbyte_nolen(_sv); }) |
a80f87c4 | 1192 | # define SvTRUE(sv) ( \ |
8990e307 LW |
1193 | !sv \ |
1194 | ? 0 \ | |
1195 | : SvPOK(sv) \ | |
a80f87c4 GS |
1196 | ? (({XPV *nxpv = (XPV*)SvANY(sv); \ |
1197 | nxpv && \ | |
c2f1de04 | 1198 | (nxpv->xpv_cur > 1 || \ |
a80f87c4 | 1199 | (nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \ |
79072805 LW |
1200 | ? 1 \ |
1201 | : 0) \ | |
1202 | : \ | |
1203 | SvIOK(sv) \ | |
463ee0b2 | 1204 | ? SvIVX(sv) != 0 \ |
79072805 | 1205 | : SvNOK(sv) \ |
463ee0b2 LW |
1206 | ? SvNVX(sv) != 0.0 \ |
1207 | : sv_2bool(sv) ) | |
f123e731 | 1208 | # define SvTRUEx(sv) ({SV *_sv = (sv); SvTRUE(_sv); }) |
baca2b92 | 1209 | |
a80f87c4 | 1210 | #else /* __GNUC__ */ |
baca2b92 DM |
1211 | |
1212 | # ifdef USE_5005THREADS | |
1213 | # define SvIVx(sv) sv_iv(sv) | |
1214 | # define SvUVx(sv) sv_uv(sv) | |
1215 | # define SvNVx(sv) sv_nv(sv) | |
1216 | # define SvPVx(sv, lp) sv_pvn(sv, &lp) | |
1217 | # define SvPVutf8x(sv, lp) sv_pvutf8n(sv, &lp) | |
1218 | # define SvPVbytex(sv, lp) sv_pvbyten(sv, &lp) | |
1219 | # define SvTRUE(sv) SvTRUEx(sv) | |
1220 | # define SvTRUEx(sv) sv_true(sv) | |
1221 | ||
1222 | # else /* USE_5005THREADS */ | |
1223 | ||
a80f87c4 GS |
1224 | /* These inlined macros use globals, which will require a thread |
1225 | * declaration in user code, so we avoid them under threads */ | |
1226 | ||
baca2b92 DM |
1227 | # define SvIVx(sv) ((PL_Sv = (sv)), SvIV(PL_Sv)) |
1228 | # define SvUVx(sv) ((PL_Sv = (sv)), SvUV(PL_Sv)) | |
1229 | # define SvNVx(sv) ((PL_Sv = (sv)), SvNV(PL_Sv)) | |
1230 | # define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp)) | |
8ec8dcb0 | 1231 | # define SvPVx_const(sv, lp) ((PL_Sv = (sv)), SvPV_const(PL_Sv, lp)) |
b92a0170 NC |
1232 | # define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv)) |
1233 | # define SvPVx_nolen_const(sv) ((PL_Sv = (sv)), SvPV_nolen_const(PL_Sv)) | |
baca2b92 DM |
1234 | # define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp)) |
1235 | # define SvPVbytex(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp)) | |
b92a0170 | 1236 | # define SvPVbytex_nolen(sv) ((PL_Sv = (sv)), SvPVbyte_nolen(PL_Sv)) |
baca2b92 | 1237 | # define SvTRUE(sv) ( \ |
a80f87c4 GS |
1238 | !sv \ |
1239 | ? 0 \ | |
1240 | : SvPOK(sv) \ | |
6b88bc9c | 1241 | ? ((PL_Xpv = (XPV*)SvANY(sv)) && \ |
c2f1de04 | 1242 | (PL_Xpv->xpv_cur > 1 || \ |
6b88bc9c | 1243 | (PL_Xpv->xpv_cur && *PL_Xpv->xpv_pv != '0')) \ |
a80f87c4 GS |
1244 | ? 1 \ |
1245 | : 0) \ | |
1246 | : \ | |
1247 | SvIOK(sv) \ | |
1248 | ? SvIVX(sv) != 0 \ | |
1249 | : SvNOK(sv) \ | |
1250 | ? SvNVX(sv) != 0.0 \ | |
1251 | : sv_2bool(sv) ) | |
baca2b92 DM |
1252 | # define SvTRUEx(sv) ((PL_Sv = (sv)), SvTRUE(PL_Sv)) |
1253 | # endif /* USE_5005THREADS */ | |
1254 | #endif /* __GNU__ */ | |
1255 | ||
71799650 NC |
1256 | #define SvIsCOW(sv) ((SvFLAGS(sv) & (SVf_FAKE | SVf_READONLY)) == \ |
1257 | (SVf_FAKE | SVf_READONLY)) | |
1258 | #define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0) | |
baca2b92 | 1259 | |
2a979b61 NC |
1260 | #define SvSHARED_HASH(sv) (0 + SvUVX(sv)) |
1261 | ||
baca2b92 DM |
1262 | /* flag values for sv_*_flags functions */ |
1263 | #define SV_IMMEDIATE_UNREF 1 | |
1264 | #define SV_GMAGIC 2 | |
6563884d JH |
1265 | #define SV_COW_DROP_PV 4 /* Unused in Perl 5.8.x */ |
1266 | #define SV_UTF8_NO_ENCODING 8 | |
65daad90 | 1267 | #define SV_NOSTEAL 16 |
8ec8dcb0 NC |
1268 | #define SV_CONST_RETURN 32 |
1269 | #define SV_MUTABLE_RETURN 64 | |
66067514 | 1270 | #define SV_SMAGIC 128 |
baca2b92 | 1271 | |
05b233af NC |
1272 | #define sv_unref(sv) sv_unref_flags(sv, 0) |
1273 | #define sv_force_normal(sv) sv_force_normal_flags(sv, 0) | |
1274 | ||
baca2b92 DM |
1275 | /* all these 'functions' are now just macros */ |
1276 | ||
1277 | #define sv_pv(sv) SvPV_nolen(sv) | |
1278 | #define sv_pvutf8(sv) SvPVutf8_nolen(sv) | |
1279 | #define sv_pvbyte(sv) SvPVbyte_nolen(sv) | |
1280 | ||
1281 | #define sv_pvn_force_nomg(sv, lp) sv_pvn_force_flags(sv, lp, 0) | |
1282 | #define sv_utf8_upgrade_nomg(sv) sv_utf8_upgrade_flags(sv, 0) | |
1283 | #define sv_catpvn_nomg(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, 0) | |
1284 | #define sv_setsv(dsv, ssv) sv_setsv_flags(dsv, ssv, SV_GMAGIC) | |
1285 | #define sv_setsv_nomg(dsv, ssv) sv_setsv_flags(dsv, ssv, 0) | |
1286 | #define sv_catsv(dsv, ssv) sv_catsv_flags(dsv, ssv, SV_GMAGIC) | |
1287 | #define sv_catsv_nomg(dsv, ssv) sv_catsv_flags(dsv, ssv, 0) | |
66067514 | 1288 | #define sv_catsv_mg(dsv, ssv) sv_catsv_flags(dsv, ssv, SV_GMAGIC|SV_SMAGIC) |
baca2b92 | 1289 | #define sv_catpvn(dsv, sstr, slen) sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC) |
66067514 NC |
1290 | #define sv_catpvn_mg(sv, sstr, slen) \ |
1291 | sv_catpvn_flags(sv, sstr, slen, SV_GMAGIC|SV_SMAGIC); | |
baca2b92 | 1292 | #define sv_2pv(sv, lp) sv_2pv_flags(sv, lp, SV_GMAGIC) |
66067514 NC |
1293 | #define sv_2pv_nolen(sv) sv_2pv(sv, 0) |
1294 | #define sv_2pvbyte_nolen(sv) sv_2pvbyte(sv, 0) | |
1295 | #define sv_2pvutf8_nolen(sv) sv_2pvutf8(sv, 0) | |
baca2b92 DM |
1296 | #define sv_2pv_nomg(sv, lp) sv_2pv_flags(sv, lp, 0) |
1297 | #define sv_pvn_force(sv, lp) sv_pvn_force_flags(sv, lp, SV_GMAGIC) | |
1298 | #define sv_utf8_upgrade(sv) sv_utf8_upgrade_flags(sv, SV_GMAGIC) | |
891f9566 YST |
1299 | #define sv_2iv(sv) sv_2iv_flags(sv, SV_GMAGIC) |
1300 | #define sv_2uv(sv) sv_2uv_flags(sv, SV_GMAGIC) | |
baca2b92 | 1301 | |
5835a535 JH |
1302 | /* Should be named SvCatPVN_utf8_upgrade? */ |
1303 | #define sv_catpvn_utf8_upgrade(dsv, sstr, slen, nsv) \ | |
1304 | STMT_START { \ | |
1305 | if (!(nsv)) \ | |
1306 | nsv = sv_2mortal(newSVpvn(sstr, slen)); \ | |
1307 | else \ | |
1308 | sv_setpvn(nsv, sstr, slen); \ | |
1309 | SvUTF8_off(nsv); \ | |
1310 | sv_utf8_upgrade(nsv); \ | |
1311 | sv_catsv(dsv, nsv); \ | |
1312 | } STMT_END | |
79072805 | 1313 | |
954c1994 GS |
1314 | /* |
1315 | =for apidoc Am|SV*|newRV_inc|SV* sv | |
1316 | ||
1317 | Creates an RV wrapper for an SV. The reference count for the original SV is | |
1318 | incremented. | |
1319 | ||
1320 | =cut | |
1321 | */ | |
1322 | ||
5f05dabc | 1323 | #define newRV_inc(sv) newRV(sv) |
5f05dabc | 1324 | |
ef50df4b | 1325 | /* the following macros update any magic values this sv is associated with */ |
79072805 | 1326 | |
954c1994 | 1327 | /* |
ccfc67b7 JH |
1328 | =head1 Magical Functions |
1329 | ||
954c1994 GS |
1330 | =for apidoc Am|void|SvGETMAGIC|SV* sv |
1331 | Invokes C<mg_get> on an SV if it has 'get' magic. This macro evaluates its | |
1332 | argument more than once. | |
1333 | ||
1334 | =for apidoc Am|void|SvSETMAGIC|SV* sv | |
1335 | Invokes C<mg_set> on an SV if it has 'set' magic. This macro evaluates its | |
1336 | argument more than once. | |
1337 | ||
1338 | =for apidoc Am|void|SvSetSV|SV* dsb|SV* ssv | |
1339 | Calls C<sv_setsv> if dsv is not the same as ssv. May evaluate arguments | |
1340 | more than once. | |
1341 | ||
1342 | =for apidoc Am|void|SvSetSV_nosteal|SV* dsv|SV* ssv | |
1343 | Calls a non-destructive version of C<sv_setsv> if dsv is not the same as | |
1344 | ssv. May evaluate arguments more than once. | |
1345 | ||
645c22ef DM |
1346 | =for apidoc Am|void|SvSetMagicSV|SV* dsb|SV* ssv |
1347 | Like C<SvSetSV>, but does any set magic required afterwards. | |
1348 | ||
1349 | =for apidoc Am|void|SvSetMagicSV_nosteal|SV* dsv|SV* ssv | |
40d34c0d | 1350 | Like C<SvSetSV_nosteal>, but does any set magic required afterwards. |
645c22ef | 1351 | |
68795e93 NIS |
1352 | =for apidoc Am|void|SvSHARE|SV* sv |
1353 | Arranges for sv to be shared between threads if a suitable module | |
1354 | has been loaded. | |
1355 | ||
1356 | =for apidoc Am|void|SvLOCK|SV* sv | |
1357 | Arranges for a mutual exclusion lock to be obtained on sv if a suitable module | |
1358 | has been loaded. | |
1359 | ||
1360 | =for apidoc Am|void|SvUNLOCK|SV* sv | |
1361 | Releases a mutual exclusion lock on sv if a suitable module | |
1362 | has been loaded. | |
1363 | ||
ccfc67b7 JH |
1364 | =head1 SV Manipulation Functions |
1365 | ||
679ac26e | 1366 | =for apidoc Am|char *|SvGROW|SV* sv|STRLEN len |
954c1994 GS |
1367 | Expands the character buffer in the SV so that it has room for the |
1368 | indicated number of bytes (remember to reserve space for an extra trailing | |
8cf8f3d1 | 1369 | NUL character). Calls C<sv_grow> to perform the expansion if necessary. |
954c1994 GS |
1370 | Returns a pointer to the character buffer. |
1371 | ||
1372 | =cut | |
1373 | */ | |
1374 | ||
68795e93 NIS |
1375 | #define SvSHARE(sv) CALL_FPTR(PL_sharehook)(aTHX_ sv) |
1376 | #define SvLOCK(sv) CALL_FPTR(PL_lockhook)(aTHX_ sv) | |
1377 | #define SvUNLOCK(sv) CALL_FPTR(PL_unlockhook)(aTHX_ sv) | |
1378 | ||
189b2af5 GS |
1379 | #define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END |
1380 | #define SvSETMAGIC(x) STMT_START { if (SvSMAGICAL(x)) mg_set(x); } STMT_END | |
79072805 | 1381 | |
54310121 | 1382 | #define SvSetSV_and(dst,src,finally) \ |
189b2af5 | 1383 | STMT_START { \ |
54310121 | 1384 | if ((dst) != (src)) { \ |
1385 | sv_setsv(dst, src); \ | |
1386 | finally; \ | |
189b2af5 GS |
1387 | } \ |
1388 | } STMT_END | |
54310121 | 1389 | #define SvSetSV_nosteal_and(dst,src,finally) \ |
189b2af5 | 1390 | STMT_START { \ |
8ebc5c01 | 1391 | if ((dst) != (src)) { \ |
65daad90 | 1392 | sv_setsv_flags(dst, src, SV_GMAGIC | SV_NOSTEAL); \ |
54310121 | 1393 | finally; \ |
189b2af5 GS |
1394 | } \ |
1395 | } STMT_END | |
79072805 | 1396 | |
54310121 | 1397 | #define SvSetSV(dst,src) \ |
c9d716f7 | 1398 | SvSetSV_and(dst,src,/*nothing*/;) |
54310121 | 1399 | #define SvSetSV_nosteal(dst,src) \ |
c9d716f7 | 1400 | SvSetSV_nosteal_and(dst,src,/*nothing*/;) |
54310121 | 1401 | |
1402 | #define SvSetMagicSV(dst,src) \ | |
1403 | SvSetSV_and(dst,src,SvSETMAGIC(dst)) | |
1404 | #define SvSetMagicSV_nosteal(dst,src) \ | |
1405 | SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst)) | |
1406 | ||
5835a535 | 1407 | |
1045810a | 1408 | #if !defined(SKIP_DEBUGGING) |
79072805 | 1409 | #define SvPEEK(sv) sv_peek(sv) |
3967c732 JD |
1410 | #else |
1411 | #define SvPEEK(sv) "" | |
1412 | #endif | |
79072805 | 1413 | |
653fb8f3 | 1414 | #define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no || (sv)==&PL_sv_placeholder) |
36477c24 | 1415 | |
3280af22 | 1416 | #define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no) |
54310121 | 1417 | |
79072805 LW |
1418 | #define isGV(sv) (SvTYPE(sv) == SVt_PVGV) |
1419 | ||
933fea7f | 1420 | #define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv)) |
71a0dd65 NC |
1421 | #define SvGROW_mutable(sv,len) \ |
1422 | (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX_mutable(sv)) | |
933fea7f | 1423 | #define Sv_Grow sv_grow |
3d35f11b | 1424 | |
a0739874 DM |
1425 | #define CLONEf_COPY_STACKS 1 |
1426 | #define CLONEf_KEEP_PTR_TABLE 2 | |
c43294b8 | 1427 | #define CLONEf_CLONE_HOST 4 |
457d3ae8 | 1428 | #define CLONEf_JOIN_IN 8 |
a0739874 | 1429 | |
8cf8f3d1 | 1430 | struct clone_params { |
d2d73c3e AB |
1431 | AV* stashes; |
1432 | UV flags; | |
59b40662 | 1433 | PerlInterpreter *proto_perl; |
8cf8f3d1 | 1434 | }; |
b4cc2f95 JH |
1435 | |
1436 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv) |