projects / p5sagit/p5-mst-13.2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | history | HEAD
perl 5.002beta2 patch: toke.c
[p5sagit/p5-mst-13.2.git] / sv.h
CommitLineData
a0d0e21e 1/* sv.h
79072805 2 *
a0d0e21e 3 * Copyright (c) 1991-1994, 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
8990e307 73
74#define SvREFCNT(sv) (sv)->sv_refcnt
75#ifdef CRIPPLED_CC
2304df62 76#define SvREFCNT_inc(sv) sv_newref((SV*)sv)
77#define SvREFCNT_dec(sv) sv_free((SV*)sv)
8990e307 78#else
79#define SvREFCNT_inc(sv) ((Sv = (SV*)(sv)), \
80 (Sv && ++SvREFCNT(Sv)), (SV*)Sv)
2304df62 81#define SvREFCNT_dec(sv) sv_free((SV*)sv)
8990e307 82#endif
83
84#define SVTYPEMASK 0xff
85#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
79072805 86
87#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
88
8990e307 89#define SVs_PADBUSY 0x00000100 /* reserved for tmp or my already */
90#define SVs_PADTMP 0x00000200 /* in use as tmp */
91#define SVs_PADMY 0x00000400 /* in use a "my" variable */
92#define SVs_TEMP 0x00000800 /* string is stealable? */
93#define SVs_OBJECT 0x00001000 /* is "blessed" */
94#define SVs_GMG 0x00002000 /* has magical get method */
95#define SVs_SMG 0x00004000 /* has magical set method */
96#define SVs_RMG 0x00008000 /* has random magical methods */
97
98#define SVf_IOK 0x00010000 /* has valid public integer value */
99#define SVf_NOK 0x00020000 /* has valid public numeric value */
100#define SVf_POK 0x00040000 /* has valid public pointer value */
101#define SVf_ROK 0x00080000 /* has a valid reference pointer */
a0d0e21e 102
748a9306 103#define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */
8990e307 104#define SVf_OOK 0x00200000 /* has valid offset value */
105#define SVf_BREAK 0x00400000 /* refcnt is artificially low */
106#define SVf_READONLY 0x00800000 /* may not be modified */
107
a0d0e21e 108#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK)
109
8990e307 110#define SVp_IOK 0x01000000 /* has valid non-public integer value */
111#define SVp_NOK 0x02000000 /* has valid non-public numeric value */
112#define SVp_POK 0x04000000 /* has valid non-public pointer value */
113#define SVp_SCREAM 0x08000000 /* has been studied? */
114
a0d0e21e 115#define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \
116 SVp_IOK|SVp_NOK|SVp_POK)
117
118#ifdef OVERLOAD
119#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
120#endif /* OVERLOAD */
121
8990e307 122#define PRIVSHIFT 8
123
124/* Some private flags. */
125
126#define SVpfm_COMPILED 0x80000000
127
128#define SVpbm_VALID 0x80000000
129#define SVpbm_CASEFOLD 0x40000000
130#define SVpbm_TAIL 0x20000000
131
132#define SVpgv_MULTI 0x80000000
79072805 133
748a9306 134#define SVpcv_CLONE 0x80000000 /* anon CV uses external lexicals */
135#define SVpcv_CLONED 0x40000000 /* a clone of one of those */
136#define SVpcv_ANON 0x20000000 /* CvGV() can't be trusted */
137
a0d0e21e 138#ifdef OVERLOAD
139#define SVpgv_AM 0x40000000
140/* #define SVpgv_badAM 0x20000000 */
141#endif /* OVERLOAD */
142
ed6116ce 143struct xrv {
144 SV * xrv_rv; /* pointer to another SV */
145};
146
79072805 147struct xpv {
ed6116ce 148 char * xpv_pv; /* pointer to malloced string */
149 STRLEN xpv_cur; /* length of xpv_pv as a C string */
150 STRLEN xpv_len; /* allocated size */
79072805 151};
152
153struct xpviv {
ed6116ce 154 char * xpv_pv; /* pointer to malloced string */
155 STRLEN xpv_cur; /* length of xpv_pv as a C string */
156 STRLEN xpv_len; /* allocated size */
a0d0e21e 157 IV xiv_iv; /* integer value or pv offset */
79072805 158};
159
160struct xpvnv {
ed6116ce 161 char * xpv_pv; /* pointer to malloced string */
162 STRLEN xpv_cur; /* length of xpv_pv as a C string */
163 STRLEN xpv_len; /* allocated size */
a0d0e21e 164 IV xiv_iv; /* integer value or pv offset */
ed6116ce 165 double xnv_nv; /* numeric value, if any */
79072805 166};
167
168struct xpvmg {
ed6116ce 169 char * xpv_pv; /* pointer to malloced string */
170 STRLEN xpv_cur; /* length of xpv_pv as a C string */
171 STRLEN xpv_len; /* allocated size */
a0d0e21e 172 IV xiv_iv; /* integer value or pv offset */
ed6116ce 173 double xnv_nv; /* numeric value, if any */
79072805 174 MAGIC* xmg_magic; /* linked list of magicalness */
175 HV* xmg_stash; /* class package */
176};
177
178struct xpvlv {
ed6116ce 179 char * xpv_pv; /* pointer to malloced string */
180 STRLEN xpv_cur; /* length of xpv_pv as a C string */
181 STRLEN xpv_len; /* allocated size */
a0d0e21e 182 IV xiv_iv; /* integer value or pv offset */
ed6116ce 183 double xnv_nv; /* numeric value, if any */
79072805 184 MAGIC* xmg_magic; /* linked list of magicalness */
185 HV* xmg_stash; /* class package */
8990e307 186
79072805 187 STRLEN xlv_targoff;
188 STRLEN xlv_targlen;
189 SV* xlv_targ;
190 char xlv_type;
191};
192
193struct xpvgv {
ed6116ce 194 char * xpv_pv; /* pointer to malloced string */
195 STRLEN xpv_cur; /* length of xpv_pv as a C string */
196 STRLEN xpv_len; /* allocated size */
a0d0e21e 197 IV xiv_iv; /* integer value or pv offset */
ed6116ce 198 double xnv_nv; /* numeric value, if any */
79072805 199 MAGIC* xmg_magic; /* linked list of magicalness */
200 HV* xmg_stash; /* class package */
8990e307 201
79072805 202 GP* xgv_gp;
203 char* xgv_name;
204 STRLEN xgv_namelen;
205 HV* xgv_stash;
206};
207
208struct xpvbm {
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 */
ed6116ce 213 double xnv_nv; /* numeric value, if any */
79072805 214 MAGIC* xmg_magic; /* linked list of magicalness */
215 HV* xmg_stash; /* class package */
8990e307 216
79072805 217 I32 xbm_useful; /* is this constant pattern being useful? */
218 U16 xbm_previous; /* how many characters in string before rare? */
219 U8 xbm_rare; /* rarest character in string */
220};
221
222struct xpvfm {
ed6116ce 223 char * xpv_pv; /* pointer to malloced string */
224 STRLEN xpv_cur; /* length of xpv_pv as a C string */
225 STRLEN xpv_len; /* allocated size */
a0d0e21e 226 IV xiv_iv; /* integer value or pv offset */
ed6116ce 227 double xnv_nv; /* numeric value, if any */
79072805 228 MAGIC* xmg_magic; /* linked list of magicalness */
229 HV* xmg_stash; /* class package */
8990e307 230
79072805 231 HV * xcv_stash;
232 OP * xcv_start;
233 OP * xcv_root;
a0d0e21e 234 void (*xcv_xsub)_((CV*));
235 ANY xcv_xsubany;
236 GV * xcv_gv;
79072805 237 GV * xcv_filegv;
238 long xcv_depth; /* >= 2 indicates recursive call */
239 AV * xcv_padlist;
748a9306 240 CV * xcv_outside;
79072805 241 I32 xfm_lines;
242};
243
8990e307 244struct xpvio {
245 char * xpv_pv; /* pointer to malloced string */
246 STRLEN xpv_cur; /* length of xpv_pv as a C string */
247 STRLEN xpv_len; /* allocated size */
a0d0e21e 248 IV xiv_iv; /* integer value or pv offset */
8990e307 249 double xnv_nv; /* numeric value, if any */
250 MAGIC* xmg_magic; /* linked list of magicalness */
251 HV* xmg_stash; /* class package */
252
253 FILE * xio_ifp; /* ifp and ofp are normally the same */
254 FILE * xio_ofp; /* but sockets need separate streams */
255 DIR * xio_dirp; /* for opendir, readdir, etc */
256 long xio_lines; /* $. */
257 long xio_page; /* $% */
258 long xio_page_len; /* $= */
259 long xio_lines_left; /* $- */
260 char * xio_top_name; /* $^ */
261 GV * xio_top_gv; /* $^ */
262 char * xio_fmt_name; /* $~ */
263 GV * xio_fmt_gv; /* $~ */
264 char * xio_bottom_name;/* $^B */
265 GV * xio_bottom_gv; /* $^B */
266 short xio_subprocess; /* -| or |- */
267 char xio_type;
268 char xio_flags;
269};
270
271#define IOf_ARGV 1 /* this fp iterates over ARGV */
272#define IOf_START 2 /* check for null ARGV and substitute '-' */
273#define IOf_FLUSH 4 /* this fp wants a flush after write op */
748a9306 274#define IOf_DIDTOP 8 /* just did top of form */
8990e307 275
ed6116ce 276/* The following macros define implementation-independent predicates on SVs. */
277
79072805 278#define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK))
748a9306 279#define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK))
a0d0e21e 280#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \
281 SVp_IOK|SVp_NOK))
79072805 282
463ee0b2 283#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
a0d0e21e 284
285#ifdef OVERLOAD
286#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
287 SvOOK_off(sv))
288#else
289#define SvOK_off(sv) (SvFLAGS(sv) &= ~SVf_OK, SvOOK_off(sv))
290#endif /* OVERLOAD */
79072805 291
8990e307 292#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK))
293#define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK)
294#define SvIOKp_on(sv) (SvOOK_off(sv), SvFLAGS(sv) |= SVp_IOK)
295#define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK)
296#define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK)
297#define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK)
298#define SvPOKp_on(sv) (SvFLAGS(sv) |= SVp_POK)
463ee0b2 299
79072805 300#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK)
8990e307 301#define SvIOK_on(sv) (SvOOK_off(sv), \
a0d0e21e 302 SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
8990e307 303#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK))
304#define SvIOK_only(sv) (SvOK_off(sv), \
a0d0e21e 305 SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
79072805 306
307#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK)
a0d0e21e 308#define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
8990e307 309#define SvNOK_off(sv) (SvFLAGS(sv) &= ~(SVf_NOK|SVp_NOK))
310#define SvNOK_only(sv) (SvOK_off(sv), \
a0d0e21e 311 SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
79072805 312
313#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
a0d0e21e 314#define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVp_POK))
8990e307 315#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
316#define SvPOK_only(sv) (SvOK_off(sv), \
a0d0e21e 317 SvFLAGS(sv) |= (SVf_POK|SVp_POK))
79072805 318
319#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
320#define SvOOK_on(sv) (SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK)
321#define SvOOK_off(sv) (SvOOK(sv) && sv_backoff(sv))
79072805 322
a0d0e21e 323#define SvFAKE(sv) (SvFLAGS(sv) & SVf_FAKE)
324#define SvFAKE_on(sv) (SvFLAGS(sv) |= SVf_FAKE)
325#define SvFAKE_off(sv) (SvFLAGS(sv) &= ~SVf_FAKE)
326
ed6116ce 327#define SvROK(sv) (SvFLAGS(sv) & SVf_ROK)
a0d0e21e 328#define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK)
329
330#ifdef OVERLOAD
331#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC))
332#else
ed6116ce 333#define SvROK_off(sv) (SvFLAGS(sv) &= ~SVf_ROK)
a0d0e21e 334#endif /* OVERLOAD */
79072805 335
8990e307 336#define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG))
337#define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG))
338#define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~(SVs_GMG|SVs_SMG|SVs_RMG))
79072805 339
8990e307 340#define SvGMAGICAL(sv) (SvFLAGS(sv) & SVs_GMG)
341#define SvGMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_GMG)
342#define SvGMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_GMG)
ed6116ce 343
8990e307 344#define SvSMAGICAL(sv) (SvFLAGS(sv) & SVs_SMG)
345#define SvSMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_SMG)
346#define SvSMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_SMG)
ed6116ce 347
8990e307 348#define SvRMAGICAL(sv) (SvFLAGS(sv) & SVs_RMG)
349#define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG)
350#define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG)
ed6116ce 351
a0d0e21e 352#ifdef OVERLOAD
353#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC)
354#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC)
355#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC)
356
357/*
358#define Gv_AMG(stash) \
359 (HV_AMAGICmb(stash) && \
360 ((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash)))
361*/
362#define Gv_AMG(stash) (amagic_generation && Gv_AMupdate(stash))
363#endif /* OVERLOAD */
364
365#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST)
ed6116ce 366
8990e307 367#define SvPADBUSY(sv) (SvFLAGS(sv) & SVs_PADBUSY)
ed6116ce 368
8990e307 369#define SvPADTMP(sv) (SvFLAGS(sv) & SVs_PADTMP)
370#define SvPADTMP_on(sv) (SvFLAGS(sv) |= SVs_PADTMP|SVs_PADBUSY)
371#define SvPADTMP_off(sv) (SvFLAGS(sv) &= ~SVs_PADTMP)
ed6116ce 372
8990e307 373#define SvPADMY(sv) (SvFLAGS(sv) & SVs_PADMY)
374#define SvPADMY_on(sv) (SvFLAGS(sv) |= SVs_PADMY|SVs_PADBUSY)
ed6116ce 375
8990e307 376#define SvTEMP(sv) (SvFLAGS(sv) & SVs_TEMP)
377#define SvTEMP_on(sv) (SvFLAGS(sv) |= SVs_TEMP)
378#define SvTEMP_off(sv) (SvFLAGS(sv) &= ~SVs_TEMP)
79072805 379
8990e307 380#define SvOBJECT(sv) (SvFLAGS(sv) & SVs_OBJECT)
381#define SvOBJECT_on(sv) (SvFLAGS(sv) |= SVs_OBJECT)
382#define SvOBJECT_off(sv) (SvFLAGS(sv) &= ~SVs_OBJECT)
79072805 383
8990e307 384#define SvREADONLY(sv) (SvFLAGS(sv) & SVf_READONLY)
385#define SvREADONLY_on(sv) (SvFLAGS(sv) |= SVf_READONLY)
386#define SvREADONLY_off(sv) (SvFLAGS(sv) &= ~SVf_READONLY)
79072805 387
8990e307 388#define SvSCREAM(sv) (SvFLAGS(sv) & SVp_SCREAM)
389#define SvSCREAM_on(sv) (SvFLAGS(sv) |= SVp_SCREAM)
390#define SvSCREAM_off(sv) (SvFLAGS(sv) &= ~SVp_SCREAM)
79072805 391
8990e307 392#define SvCOMPILED(sv) (SvFLAGS(sv) & SVpfm_COMPILED)
393#define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED)
394#define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED)
79072805 395
8990e307 396#define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL)
397#define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL)
398#define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL)
399
400#define SvCASEFOLD(sv) (SvFLAGS(sv) & SVpbm_CASEFOLD)
401#define SvCASEFOLD_on(sv) (SvFLAGS(sv) |= SVpbm_CASEFOLD)
402#define SvCASEFOLD_off(sv) (SvFLAGS(sv) &= ~SVpbm_CASEFOLD)
403
404#define SvVALID(sv) (SvFLAGS(sv) & SVpbm_VALID)
405#define SvVALID_on(sv) (SvFLAGS(sv) |= SVpbm_VALID)
406#define SvVALID_off(sv) (SvFLAGS(sv) &= ~SVpbm_VALID)
407
408#define SvMULTI(sv) (SvFLAGS(sv) & SVpgv_MULTI)
409#define SvMULTI_on(sv) (SvFLAGS(sv) |= SVpgv_MULTI)
410#define SvMULTI_off(sv) (SvFLAGS(sv) &= ~SVpgv_MULTI)
79072805 411
ed6116ce 412#define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv
413#define SvRVx(sv) SvRV(sv)
414
463ee0b2 415#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
416#define SvIVXx(sv) SvIVX(sv)
417#define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv
418#define SvNVXx(sv) SvNVX(sv)
419#define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv
420#define SvPVXx(sv) SvPVX(sv)
79072805 421#define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
79072805 422#define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len
423#define SvLENx(sv) SvLEN(sv)
424#define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur)
8990e307 425#define SvENDx(sv) ((Sv = (sv)), SvEND(Sv))
79072805 426#define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic
427#define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash
428
429#define SvIV_set(sv, val) \
430 do { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
431 (((XPVIV*) SvANY(sv))->xiv_iv = val); } while (0)
432#define SvNV_set(sv, val) \
433 do { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \
434 (((XPVNV*) SvANY(sv))->xnv_nv = val); } while (0)
435#define SvPV_set(sv, val) \
436 do { assert(SvTYPE(sv) >= SVt_PV); \
437 (((XPV*) SvANY(sv))->xpv_pv = val); } while (0)
438#define SvCUR_set(sv, val) \
439 do { assert(SvTYPE(sv) >= SVt_PV); \
440 (((XPV*) SvANY(sv))->xpv_cur = val); } while (0)
441#define SvLEN_set(sv, val) \
442 do { assert(SvTYPE(sv) >= SVt_PV); \
443 (((XPV*) SvANY(sv))->xpv_len = val); } while (0)
444#define SvEND_set(sv, val) \
445 do { assert(SvTYPE(sv) >= SVt_PV); \
463ee0b2 446 (((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } while (0)
79072805 447
448#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare
449#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful
450#define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous
451
452#define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines
453
454#define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type
455#define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ
456#define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff
457#define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen
458
8990e307 459#define IoIFP(sv) ((XPVIO*) SvANY(sv))->xio_ifp
460#define IoOFP(sv) ((XPVIO*) SvANY(sv))->xio_ofp
461#define IoDIRP(sv) ((XPVIO*) SvANY(sv))->xio_dirp
462#define IoLINES(sv) ((XPVIO*) SvANY(sv))->xio_lines
463#define IoPAGE(sv) ((XPVIO*) SvANY(sv))->xio_page
464#define IoPAGE_LEN(sv) ((XPVIO*) SvANY(sv))->xio_page_len
465#define IoLINES_LEFT(sv)((XPVIO*) SvANY(sv))->xio_lines_left
466#define IoTOP_NAME(sv) ((XPVIO*) SvANY(sv))->xio_top_name
467#define IoTOP_GV(sv) ((XPVIO*) SvANY(sv))->xio_top_gv
468#define IoFMT_NAME(sv) ((XPVIO*) SvANY(sv))->xio_fmt_name
469#define IoFMT_GV(sv) ((XPVIO*) SvANY(sv))->xio_fmt_gv
470#define IoBOTTOM_NAME(sv)((XPVIO*) SvANY(sv))->xio_bottom_name
471#define IoBOTTOM_GV(sv) ((XPVIO*) SvANY(sv))->xio_bottom_gv
472#define IoSUBPROCESS(sv)((XPVIO*) SvANY(sv))->xio_subprocess
473#define IoTYPE(sv) ((XPVIO*) SvANY(sv))->xio_type
474#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags
475
a0d0e21e 476#define SvTAINT(sv) if (tainting && tainted) sv_magic(sv, Nullsv, 't', Nullch, 0)
79072805 477
478#ifdef CRIPPLED_CC
479
a0d0e21e 480IV SvIV _((SV* sv));
481double SvNV _((SV* sv));
482#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
463ee0b2 483#define SvPV(sv, lp) sv_pvn(sv, &lp)
a0d0e21e 484char *sv_pvn _((SV *, STRLEN *));
485I32 SvTRUE _((SV *));
79072805 486
463ee0b2 487#define SvIVx(sv) SvIV(sv)
488#define SvNVx(sv) SvNV(sv)
489#define SvPVx(sv, lp) sv_pvn(sv, &lp)
a0d0e21e 490#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
79072805 491#define SvTRUEx(sv) SvTRUE(sv)
492
493#else /* !CRIPPLED_CC */
494
463ee0b2 495#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))
79072805 496
463ee0b2 497#define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv))
79072805 498
463ee0b2 499#define SvPV(sv, lp) (SvPOK(sv) ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv(sv, &lp))
79072805 500
a0d0e21e 501#define SvPV_force(sv, lp) ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force(sv, &lp))
502
463ee0b2 503#define SvTRUE(sv) ( \
8990e307 504 !sv \
505 ? 0 \
506 : SvPOK(sv) \
79072805 507 ? ((Xpv = (XPV*)SvANY(sv)) && \
508 (*Xpv->xpv_pv > '0' || \
509 Xpv->xpv_cur > 1 || \
510 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')) \
511 ? 1 \
512 : 0) \
513 : \
514 SvIOK(sv) \
463ee0b2 515 ? SvIVX(sv) != 0 \
79072805 516 : SvNOK(sv) \
463ee0b2 517 ? SvNVX(sv) != 0.0 \
518 : sv_2bool(sv) )
79072805 519
8990e307 520#define SvIVx(sv) ((Sv = (sv)), SvIV(Sv))
521#define SvNVx(sv) ((Sv = (sv)), SvNV(Sv))
522#define SvPVx(sv, lp) ((Sv = (sv)), SvPV(Sv, lp))
523#define SvTRUEx(sv) ((Sv = (sv)), SvTRUE(Sv))
79072805 524
525#endif /* CRIPPLED_CC */
526
527/* the following macro updates any magic values this sv is associated with */
528
8990e307 529#define SvSETMAGIC(x) if (SvSMAGICAL(x)) mg_set(x)
79072805 530
531#define SvSetSV(dst,src) if (dst != src) sv_setsv(dst,src)
532
533#define SvPEEK(sv) sv_peek(sv)
534
535#define isGV(sv) (SvTYPE(sv) == SVt_PVGV)
536
79072805 537#ifndef DOSISH
a0d0e21e 538# define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv))
79072805 539# define Sv_Grow sv_grow
540#else
541 /* extra parentheses intentionally NOT placed around "len"! */
a0d0e21e 542# define SvGROW(sv,len) ((SvLEN(sv) < (unsigned long)len) \
543 ? sv_grow(sv,(unsigned long)len) : SvPVX(sv))
79072805 544# define Sv_Grow(sv,len) sv_grow(sv,(unsigned long)(len))
545#endif /* DOSISH */
Unnamed repository; edit this file to name it for gitweb.