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79072805 LW |
1 | /* $RCSfile: sv.h,v $$Revision: 4.1 $$Date: 92/08/07 18:26:57 $ |
2 | * | |
3 | * Copyright (c) 1991, Larry Wall | |
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 | * | |
8 | * $Log: sv.h,v $ | |
9 | * Revision 4.1 92/08/07 18:26:57 lwall | |
10 | * | |
11 | * Revision 4.0.1.4 92/06/08 15:41:45 lwall | |
12 | * patch20: fixed confusion between a *var's real name and its effective name | |
13 | * patch20: removed implicit int declarations on functions | |
14 | * | |
15 | * Revision 4.0.1.3 91/11/05 18:41:47 lwall | |
16 | * patch11: random cleanup | |
17 | * patch11: solitary subroutine references no longer trigger typo warnings | |
18 | * | |
19 | * Revision 4.0.1.2 91/06/07 11:58:33 lwall | |
20 | * patch4: new copyright notice | |
21 | * | |
22 | * Revision 4.0.1.1 91/04/12 09:16:12 lwall | |
23 | * patch1: you may now use "die" and "caller" in a signal handler | |
24 | * | |
25 | * Revision 4.0 91/03/20 01:40:04 lwall | |
26 | * 4.0 baseline. | |
27 | * | |
28 | */ | |
29 | ||
30 | typedef enum { | |
31 | SVt_NULL, | |
79072805 LW |
32 | SVt_IV, |
33 | SVt_NV, | |
ed6116ce | 34 | SVt_RV, |
79072805 LW |
35 | SVt_PV, |
36 | SVt_PVIV, | |
37 | SVt_PVNV, | |
38 | SVt_PVMG, | |
39 | SVt_PVLV, | |
40 | SVt_PVAV, | |
41 | SVt_PVHV, | |
42 | SVt_PVCV, | |
43 | SVt_PVGV, | |
44 | SVt_PVBM, | |
45 | SVt_PVFM, | |
46 | } svtype; | |
47 | ||
48 | /* Compensate for ANSI C misdesign... */ | |
49 | #ifdef DEBUGGING | |
50 | #define SVTYPE svtype | |
51 | #else | |
52 | #define SVTYPE U8 | |
53 | #endif | |
54 | ||
55 | /* Using C's structural equivalence to help emulate C++ inheritance here... */ | |
56 | ||
57 | struct sv { | |
463ee0b2 | 58 | void* sv_any; /* pointer to something */ |
79072805 LW |
59 | U32 sv_refcnt; /* how many references to us */ |
60 | SVTYPE sv_type; /* what sort of thing pointer points to */ | |
61 | U8 sv_flags; /* extra flags, some depending on type */ | |
62 | U8 sv_storage; /* storage class */ | |
63 | U8 sv_private; /* extra value, depending on type */ | |
64 | }; | |
65 | ||
66 | struct gv { | |
463ee0b2 | 67 | XPVGV* sv_any; /* pointer to something */ |
79072805 LW |
68 | U32 sv_refcnt; /* how many references to us */ |
69 | SVTYPE sv_type; /* what sort of thing pointer points to */ | |
70 | U8 sv_flags; /* extra flags, some depending on type */ | |
71 | U8 sv_storage; /* storage class */ | |
72 | U8 sv_private; /* extra value, depending on type */ | |
73 | }; | |
74 | ||
75 | struct cv { | |
463ee0b2 | 76 | XPVGV* sv_any; /* pointer to something */ |
79072805 LW |
77 | U32 sv_refcnt; /* how many references to us */ |
78 | SVTYPE sv_type; /* what sort of thing pointer points to */ | |
79 | U8 sv_flags; /* extra flags, some depending on type */ | |
80 | U8 sv_storage; /* storage class */ | |
81 | U8 sv_private; /* extra value, depending on type */ | |
82 | }; | |
83 | ||
84 | struct av { | |
463ee0b2 | 85 | XPVAV* sv_any; /* pointer to something */ |
79072805 LW |
86 | U32 sv_refcnt; /* how many references to us */ |
87 | SVTYPE sv_type; /* what sort of thing pointer points to */ | |
88 | U8 sv_flags; /* extra flags, some depending on type */ | |
89 | U8 sv_storage; /* storage class */ | |
90 | U8 sv_private; /* extra value, depending on type */ | |
91 | }; | |
92 | ||
93 | struct hv { | |
463ee0b2 | 94 | XPVHV* sv_any; /* pointer to something */ |
79072805 LW |
95 | U32 sv_refcnt; /* how many references to us */ |
96 | SVTYPE sv_type; /* what sort of thing pointer points to */ | |
97 | U8 sv_flags; /* extra flags, some depending on type */ | |
98 | U8 sv_storage; /* storage class */ | |
99 | U8 sv_private; /* extra value, depending on type */ | |
100 | }; | |
101 | ||
463ee0b2 | 102 | #define SvANY(sv) (sv)->sv_any |
79072805 LW |
103 | #define SvTYPE(sv) (sv)->sv_type |
104 | #define SvREFCNT(sv) (sv)->sv_refcnt | |
105 | #define SvFLAGS(sv) (sv)->sv_flags | |
106 | #define SvSTORAGE(sv) (sv)->sv_storage | |
107 | #define SvPRIVATE(sv) (sv)->sv_private | |
108 | ||
109 | #define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt)) | |
110 | ||
111 | #define SVf_IOK 1 /* has valid integer value */ | |
112 | #define SVf_NOK 2 /* has valid numeric value */ | |
113 | #define SVf_POK 4 /* has valid pointer value */ | |
114 | #define SVf_OOK 8 /* has valid offset value */ | |
ed6116ce | 115 | #define SVf_ROK 16 /* has a valid reference pointer */ |
463ee0b2 | 116 | #define SVf_OK 32 /* has defined value */ |
ed6116ce LW |
117 | #define SVf_MAGICAL 64 /* has special methods */ |
118 | #define SVf_THINKFIRST 128 /* may not be changed without thought */ | |
119 | ||
120 | #define SVs_PADBUSY 1 /* reserved for tmp or my already */ | |
121 | #define SVs_PADTMP 2 /* in use as tmp */ | |
122 | #define SVs_PADMY 4 /* in use a "my" variable */ | |
123 | #define SVs_8 8 | |
124 | #define SVs_16 16 | |
125 | #define SVs_TEMP 32 /* string is stealable? */ | |
126 | #define SVs_OBJECT 64 /* is "blessed" */ | |
127 | #define SVs_READONLY 128 /* may not be modified */ | |
79072805 | 128 | |
463ee0b2 LW |
129 | #define SVp_IOK 1 /* has valid non-public integer value */ |
130 | #define SVp_NOK 2 /* has valid non-public numeric value */ | |
131 | #define SVp_POK 4 /* has valid non-public pointer value */ | |
132 | #define SVp_SCREAM 8 /* has been studied? */ | |
133 | #define SVp_TAINTEDDIR 16 /* PATH component is a security risk */ | |
79072805 | 134 | |
463ee0b2 | 135 | #define SVpfm_COMPILED 128 |
79072805 | 136 | |
463ee0b2 LW |
137 | #define SVpbm_VALID 128 |
138 | #define SVpbm_CASEFOLD 64 | |
139 | #define SVpbm_TAIL 32 | |
79072805 | 140 | |
463ee0b2 | 141 | #define SVpgv_MULTI 128 |
79072805 | 142 | |
ed6116ce LW |
143 | struct xrv { |
144 | SV * xrv_rv; /* pointer to another SV */ | |
145 | }; | |
146 | ||
79072805 | 147 | struct xpv { |
ed6116ce LW |
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 LW |
151 | }; |
152 | ||
153 | struct xpviv { | |
ed6116ce LW |
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 */ | |
79072805 LW |
157 | I32 xiv_iv; /* integer value or pv offset */ |
158 | }; | |
159 | ||
160 | struct xpvnv { | |
ed6116ce LW |
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 */ | |
79072805 | 164 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 165 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
166 | }; |
167 | ||
168 | struct xpvmg { | |
ed6116ce LW |
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 */ | |
79072805 | 172 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 173 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
174 | MAGIC* xmg_magic; /* linked list of magicalness */ |
175 | HV* xmg_stash; /* class package */ | |
176 | }; | |
177 | ||
178 | struct xpvlv { | |
ed6116ce LW |
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 */ | |
79072805 | 182 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 183 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
184 | MAGIC* xmg_magic; /* linked list of magicalness */ |
185 | HV* xmg_stash; /* class package */ | |
186 | STRLEN xlv_targoff; | |
187 | STRLEN xlv_targlen; | |
188 | SV* xlv_targ; | |
189 | char xlv_type; | |
190 | }; | |
191 | ||
192 | struct xpvgv { | |
ed6116ce LW |
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 */ | |
79072805 | 196 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 197 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
198 | MAGIC* xmg_magic; /* linked list of magicalness */ |
199 | HV* xmg_stash; /* class package */ | |
200 | GP* xgv_gp; | |
201 | char* xgv_name; | |
202 | STRLEN xgv_namelen; | |
203 | HV* xgv_stash; | |
204 | }; | |
205 | ||
206 | struct xpvbm { | |
ed6116ce LW |
207 | char * xpv_pv; /* pointer to malloced string */ |
208 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
209 | STRLEN xpv_len; /* allocated size */ | |
79072805 | 210 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 211 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
212 | MAGIC* xmg_magic; /* linked list of magicalness */ |
213 | HV* xmg_stash; /* class package */ | |
214 | I32 xbm_useful; /* is this constant pattern being useful? */ | |
215 | U16 xbm_previous; /* how many characters in string before rare? */ | |
216 | U8 xbm_rare; /* rarest character in string */ | |
217 | }; | |
218 | ||
219 | struct xpvfm { | |
ed6116ce LW |
220 | char * xpv_pv; /* pointer to malloced string */ |
221 | STRLEN xpv_cur; /* length of xpv_pv as a C string */ | |
222 | STRLEN xpv_len; /* allocated size */ | |
79072805 | 223 | I32 xiv_iv; /* integer value or pv offset */ |
ed6116ce | 224 | double xnv_nv; /* numeric value, if any */ |
79072805 LW |
225 | MAGIC* xmg_magic; /* linked list of magicalness */ |
226 | HV* xmg_stash; /* class package */ | |
227 | HV * xcv_stash; | |
228 | OP * xcv_start; | |
229 | OP * xcv_root; | |
230 | I32 (*xcv_usersub)(); | |
231 | I32 xcv_userindex; | |
232 | GV * xcv_filegv; | |
233 | long xcv_depth; /* >= 2 indicates recursive call */ | |
234 | AV * xcv_padlist; | |
235 | bool xcv_deleted; | |
236 | I32 xfm_lines; | |
237 | }; | |
238 | ||
ed6116ce LW |
239 | /* The following macros define implementation-independent predicates on SVs. */ |
240 | ||
79072805 LW |
241 | #define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK)) |
242 | ||
463ee0b2 LW |
243 | #define SvOK(sv) (SvFLAGS(sv) & SVf_OK) |
244 | #define SvOK_on(sv) (SvFLAGS(sv) |= SVf_OK) | |
245 | #define SvOK_off(sv) (SvFLAGS(sv) &= \ | |
246 | ~(SVf_IOK|SVf_NOK|SVf_POK|SVf_OK), \ | |
79072805 LW |
247 | SvOOK_off(sv)) |
248 | ||
463ee0b2 LW |
249 | #define SvOKp(sv) (SvPRIVATE(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) |
250 | #define SvIOKp(sv) (SvPRIVATE(sv) & SVp_IOK) | |
251 | #define SvIOKp_on(sv) (SvOOK_off(sv), SvPRIVATE(sv) |= SVp_IOK) | |
252 | #define SvNOKp(sv) (SvPRIVATE(sv) & SVp_NOK) | |
253 | #define SvNOKp_on(sv) (SvPRIVATE(sv) |= SVp_NOK) | |
254 | #define SvPOKp(sv) (SvPRIVATE(sv) & SVp_POK) | |
255 | #define SvPOKp_on(sv) (SvPRIVATE(sv) |= SVp_POK) | |
256 | ||
79072805 | 257 | #define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK) |
463ee0b2 | 258 | #define SvIOK_on(sv) (SvOOK_off(sv), SvFLAGS(sv) |= (SVf_IOK|SVf_OK)) |
79072805 | 259 | #define SvIOK_off(sv) (SvFLAGS(sv) &= ~SVf_IOK) |
463ee0b2 | 260 | #define SvIOK_only(sv) (SvOK_off(sv), SvFLAGS(sv) |= (SVf_IOK|SVf_OK)) |
79072805 LW |
261 | |
262 | #define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK) | |
463ee0b2 | 263 | #define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVf_OK)) |
79072805 | 264 | #define SvNOK_off(sv) (SvFLAGS(sv) &= ~SVf_NOK) |
463ee0b2 | 265 | #define SvNOK_only(sv) (SvOK_off(sv), SvFLAGS(sv) |= (SVf_NOK|SVf_OK)) |
79072805 LW |
266 | |
267 | #define SvPOK(sv) (SvFLAGS(sv) & SVf_POK) | |
463ee0b2 | 268 | #define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVf_OK)) |
79072805 | 269 | #define SvPOK_off(sv) (SvFLAGS(sv) &= ~SVf_POK) |
463ee0b2 | 270 | #define SvPOK_only(sv) (SvOK_off(sv), SvFLAGS(sv) |= (SVf_POK|SVf_OK)) |
79072805 LW |
271 | |
272 | #define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK) | |
273 | #define SvOOK_on(sv) (SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK) | |
274 | #define SvOOK_off(sv) (SvOOK(sv) && sv_backoff(sv)) | |
79072805 | 275 | |
ed6116ce LW |
276 | #define SvROK(sv) (SvFLAGS(sv) & SVf_ROK) |
277 | #define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK|SVf_THINKFIRST|SVf_OK) | |
278 | #define SvROK_off(sv) (SvFLAGS(sv) &= ~SVf_ROK) | |
79072805 LW |
279 | |
280 | #define SvMAGICAL(sv) (SvFLAGS(sv) & SVf_MAGICAL) | |
281 | #define SvMAGICAL_on(sv) (SvFLAGS(sv) |= SVf_MAGICAL) | |
282 | #define SvMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVf_MAGICAL) | |
283 | ||
ed6116ce LW |
284 | #define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST) |
285 | #define SvTHINKFIRST_on(sv) (SvFLAGS(sv) |= SVf_THINKFIRST) | |
286 | #define SvTHINKFIRST_off(sv) (SvFLAGS(sv) &= ~SVf_THINKFIRST) | |
287 | ||
288 | #define SvPADBUSY(sv) (SvSTORAGE(sv) & SVs_PADBUSY) | |
289 | ||
290 | #define SvPADTMP(sv) (SvSTORAGE(sv) & SVs_PADTMP) | |
291 | #define SvPADTMP_on(sv) (SvSTORAGE(sv) |= SVs_PADTMP|SVs_PADBUSY) | |
292 | #define SvPADTMP_off(sv) (SvSTORAGE(sv) &= ~SVs_PADTMP) | |
293 | ||
294 | #define SvPADMY(sv) (SvSTORAGE(sv) & SVs_PADMY) | |
295 | #define SvPADMY_on(sv) (SvSTORAGE(sv) |= SVs_PADMY|SVs_PADBUSY) | |
296 | ||
297 | #define SvTEMP(sv) (SvSTORAGE(sv) & SVs_TEMP) | |
298 | #define SvTEMP_on(sv) (SvSTORAGE(sv) |= SVs_TEMP) | |
299 | #define SvTEMP_off(sv) (SvSTORAGE(sv) &= ~SVs_TEMP) | |
300 | ||
301 | #define SvOBJECT(sv) (SvSTORAGE(sv) & SVs_OBJECT) | |
302 | #define SvOBJECT_on(sv) (SvSTORAGE(sv) |= SVs_OBJECT) | |
303 | #define SvOBJECT_off(sv) (SvSTORAGE(sv) &= ~SVs_OBJECT) | |
304 | ||
305 | #define SvREADONLY(sv) (SvSTORAGE(sv) & SVs_READONLY) | |
306 | #define SvREADONLY_on(sv) (SvSTORAGE(sv) |= SVs_READONLY, \ | |
307 | SvTHINKFIRST_on(sv)) | |
308 | #define SvREADONLY_off(sv) (SvSTORAGE(sv) &= ~SVs_READONLY) | |
309 | ||
463ee0b2 LW |
310 | #define SvSCREAM(sv) (SvPRIVATE(sv) & SVp_SCREAM) |
311 | #define SvSCREAM_on(sv) (SvPRIVATE(sv) |= SVp_SCREAM) | |
312 | #define SvSCREAM_off(sv) (SvPRIVATE(sv) &= ~SVp_SCREAM) | |
79072805 | 313 | |
79072805 LW |
314 | #define SvCOMPILED(sv) (SvPRIVATE(sv) & SVpfm_COMPILED) |
315 | #define SvCOMPILED_on(sv) (SvPRIVATE(sv) |= SVpfm_COMPILED) | |
316 | #define SvCOMPILED_off(sv) (SvPRIVATE(sv) &= ~SVpfm_COMPILED) | |
317 | ||
318 | #define SvTAIL(sv) (SvPRIVATE(sv) & SVpbm_TAIL) | |
319 | #define SvTAIL_on(sv) (SvPRIVATE(sv) |= SVpbm_TAIL) | |
320 | #define SvTAIL_off(sv) (SvPRIVATE(sv) &= ~SVpbm_TAIL) | |
321 | ||
322 | #define SvCASEFOLD(sv) (SvPRIVATE(sv) & SVpbm_CASEFOLD) | |
323 | #define SvCASEFOLD_on(sv) (SvPRIVATE(sv) |= SVpbm_CASEFOLD) | |
324 | #define SvCASEFOLD_off(sv) (SvPRIVATE(sv) &= ~SVpbm_CASEFOLD) | |
325 | ||
326 | #define SvVALID(sv) (SvPRIVATE(sv) & SVpbm_VALID) | |
327 | #define SvVALID_on(sv) (SvPRIVATE(sv) |= SVpbm_VALID) | |
328 | #define SvVALID_off(sv) (SvPRIVATE(sv) &= ~SVpbm_VALID) | |
329 | ||
330 | #define SvMULTI(sv) (SvPRIVATE(sv) & SVpgv_MULTI) | |
331 | #define SvMULTI_on(sv) (SvPRIVATE(sv) |= SVpgv_MULTI) | |
332 | #define SvMULTI_off(sv) (SvPRIVATE(sv) &= ~SVpgv_MULTI) | |
333 | ||
ed6116ce LW |
334 | #define SvRV(sv) ((XRV*) SvANY(sv))->xrv_rv |
335 | #define SvRVx(sv) SvRV(sv) | |
336 | ||
463ee0b2 LW |
337 | #define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv |
338 | #define SvIVXx(sv) SvIVX(sv) | |
339 | #define SvNVX(sv) ((XPVNV*)SvANY(sv))->xnv_nv | |
340 | #define SvNVXx(sv) SvNVX(sv) | |
341 | #define SvPVX(sv) ((XPV*) SvANY(sv))->xpv_pv | |
342 | #define SvPVXx(sv) SvPVX(sv) | |
79072805 | 343 | #define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur |
79072805 LW |
344 | #define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len |
345 | #define SvLENx(sv) SvLEN(sv) | |
346 | #define SvEND(sv)(((XPV*) SvANY(sv))->xpv_pv + ((XPV*)SvANY(sv))->xpv_cur) | |
347 | #define SvENDx(sv) ((Sv = sv), SvEND(Sv)) | |
348 | #define SvMAGIC(sv) ((XPVMG*) SvANY(sv))->xmg_magic | |
349 | #define SvSTASH(sv) ((XPVMG*) SvANY(sv))->xmg_stash | |
350 | ||
351 | #define SvIV_set(sv, val) \ | |
352 | do { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \ | |
353 | (((XPVIV*) SvANY(sv))->xiv_iv = val); } while (0) | |
354 | #define SvNV_set(sv, val) \ | |
355 | do { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \ | |
356 | (((XPVNV*) SvANY(sv))->xnv_nv = val); } while (0) | |
357 | #define SvPV_set(sv, val) \ | |
358 | do { assert(SvTYPE(sv) >= SVt_PV); \ | |
359 | (((XPV*) SvANY(sv))->xpv_pv = val); } while (0) | |
360 | #define SvCUR_set(sv, val) \ | |
361 | do { assert(SvTYPE(sv) >= SVt_PV); \ | |
362 | (((XPV*) SvANY(sv))->xpv_cur = val); } while (0) | |
363 | #define SvLEN_set(sv, val) \ | |
364 | do { assert(SvTYPE(sv) >= SVt_PV); \ | |
365 | (((XPV*) SvANY(sv))->xpv_len = val); } while (0) | |
366 | #define SvEND_set(sv, val) \ | |
367 | do { assert(SvTYPE(sv) >= SVt_PV); \ | |
463ee0b2 | 368 | (((XPV*) SvANY(sv))->xpv_cur = val - SvPVX(sv)); } while (0) |
79072805 | 369 | |
93a17b20 LW |
370 | #define SvCUROK(sv) (SvPOK(sv) ? SvCUR(sv) : 0) |
371 | ||
79072805 LW |
372 | #define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare |
373 | #define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful | |
374 | #define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous | |
375 | ||
376 | #define FmLINES(sv) ((XPVFM*) SvANY(sv))->xfm_lines | |
377 | ||
378 | #define LvTYPE(sv) ((XPVLV*) SvANY(sv))->xlv_type | |
379 | #define LvTARG(sv) ((XPVLV*) SvANY(sv))->xlv_targ | |
380 | #define LvTARGOFF(sv) ((XPVLV*) SvANY(sv))->xlv_targoff | |
381 | #define LvTARGLEN(sv) ((XPVLV*) SvANY(sv))->xlv_targlen | |
382 | ||
463ee0b2 | 383 | #define SvTAINT(sv) if (tainting && tainted) sv_magic(sv, 0, 't', 0, 0) |
79072805 LW |
384 | |
385 | #ifdef CRIPPLED_CC | |
386 | ||
463ee0b2 LW |
387 | double SvIV(); |
388 | double SvNV(); | |
389 | #define SvPV(sv, lp) sv_pvn(sv, &lp) | |
390 | char *sv_pvn(); | |
79072805 LW |
391 | I32 SvTRUE(); |
392 | ||
463ee0b2 LW |
393 | #define SvIVx(sv) SvIV(sv) |
394 | #define SvNVx(sv) SvNV(sv) | |
395 | #define SvPVx(sv, lp) sv_pvn(sv, &lp) | |
79072805 LW |
396 | #define SvTRUEx(sv) SvTRUE(sv) |
397 | ||
398 | #else /* !CRIPPLED_CC */ | |
399 | ||
463ee0b2 | 400 | #define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) |
79072805 | 401 | |
463ee0b2 | 402 | #define SvNV(sv) (SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)) |
79072805 | 403 | |
463ee0b2 | 404 | #define SvPV(sv, lp) (SvPOK(sv) ? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv(sv, &lp)) |
79072805 | 405 | |
463ee0b2 | 406 | #define SvTRUE(sv) ( \ |
79072805 LW |
407 | SvPOK(sv) \ |
408 | ? ((Xpv = (XPV*)SvANY(sv)) && \ | |
409 | (*Xpv->xpv_pv > '0' || \ | |
410 | Xpv->xpv_cur > 1 || \ | |
411 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0')) \ | |
412 | ? 1 \ | |
413 | : 0) \ | |
414 | : \ | |
415 | SvIOK(sv) \ | |
463ee0b2 | 416 | ? SvIVX(sv) != 0 \ |
79072805 | 417 | : SvNOK(sv) \ |
463ee0b2 LW |
418 | ? SvNVX(sv) != 0.0 \ |
419 | : sv_2bool(sv) ) | |
79072805 | 420 | |
463ee0b2 LW |
421 | #define SvIVx(sv) ((Sv = sv), SvIV(Sv)) |
422 | #define SvNVx(sv) ((Sv = sv), SvNV(Sv)) | |
423 | #define SvPVx(sv, lp) ((Sv = sv), SvPV(Sv, lp)) | |
79072805 LW |
424 | #define SvTRUEx(sv) ((Sv = sv), SvTRUE(Sv)) |
425 | ||
426 | #endif /* CRIPPLED_CC */ | |
427 | ||
428 | /* the following macro updates any magic values this sv is associated with */ | |
429 | ||
463ee0b2 | 430 | #define SvSETMAGIC(x) if (SvMAGICAL(x)) mg_set(x) |
79072805 LW |
431 | |
432 | #define SvSetSV(dst,src) if (dst != src) sv_setsv(dst,src) | |
433 | ||
434 | #define SvPEEK(sv) sv_peek(sv) | |
435 | ||
436 | #define isGV(sv) (SvTYPE(sv) == SVt_PVGV) | |
437 | ||
438 | #define GROWSTR(pp,lp,len) if (*(lp) < (len)) pv_grow(pp, lp, (len) * 3 / 2) | |
439 | ||
440 | #ifndef DOSISH | |
441 | # define SvGROW(sv,len) if (SvLEN(sv) < (len)) sv_grow(sv,len) | |
442 | # define Sv_Grow sv_grow | |
443 | #else | |
444 | /* extra parentheses intentionally NOT placed around "len"! */ | |
445 | # define SvGROW(sv,len) if (SvLEN(sv) < (unsigned long)len) \ | |
446 | sv_grow(sv,(unsigned long)len) | |
447 | # define Sv_Grow(sv,len) sv_grow(sv,(unsigned long)(len)) | |
448 | #endif /* DOSISH */ |