3 * Copyright (c) 1991-1997, Larry Wall
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.
11 * "I wonder what the Entish is for 'yes' and 'no'," he thought.
18 /* Use an overridden DBL_DIG */
22 # define DBL_DIG OVR_DBL_DIG
24 /* The following is all to get DBL_DIG, in order to pick a nice
25 default value for printing floating point numbers in Gconvert.
35 #define DBL_DIG 15 /* A guess that works lots of places */
39 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__)
43 static IV asIV _((SV* sv));
44 static UV asUV _((SV* sv));
45 static SV *more_sv _((void));
46 static XPVIV *more_xiv _((void));
47 static XPVNV *more_xnv _((void));
48 static XPV *more_xpv _((void));
49 static XRV *more_xrv _((void));
50 static XPVIV *new_xiv _((void));
51 static XPVNV *new_xnv _((void));
52 static XPV *new_xpv _((void));
53 static XRV *new_xrv _((void));
54 static void del_xiv _((XPVIV* p));
55 static void del_xnv _((XPVNV* p));
56 static void del_xpv _((XPV* p));
57 static void del_xrv _((XRV* p));
58 static void sv_mortalgrow _((void));
59 static void sv_unglob _((SV* sv));
61 typedef void (*SVFUNC) _((SV*));
67 (p) = (SV*)safemalloc(sizeof(SV)); \
80 #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
82 #define REG_REPLACE(sv,a,b) \
84 void* p = sv->sv_any; \
85 I32 h = REGHASH(sv, regsize); \
87 while (registry[i] != (a)) { \
91 die("SV registry bug"); \
96 #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv)
97 #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv)
103 if (sv_count >= (regsize >> 1))
105 SV **oldreg = registry;
106 I32 oldsize = regsize;
108 regsize = regsize ? ((regsize << 2) + 1) : 2037;
109 registry = (SV**)safemalloc(regsize * sizeof(SV*));
110 memzero(registry, regsize * sizeof(SV*));
115 for (i = 0; i < oldsize; ++i) {
116 SV* oldsv = oldreg[i];
142 for (i = 0; i < regsize; ++i) {
143 SV* sv = registry[i];
150 sv_add_arena(ptr, size, flags)
155 if (!(flags & SVf_FAKE))
162 * "A time to plant, and a time to uproot what was planted..."
165 #define plant_SV(p) \
167 SvANY(p) = (void *)sv_root; \
168 SvFLAGS(p) = SVTYPEMASK; \
173 #define uproot_SV(p) \
176 sv_root = (SV*)SvANY(p); \
203 for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
205 svend = &sva[SvREFCNT(sva)];
206 if (p >= sv && p < svend)
210 warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
217 #else /* ! DEBUGGING */
219 #define del_SV(p) plant_SV(p)
221 #endif /* DEBUGGING */
224 sv_add_arena(ptr, size, flags)
232 Zero(sva, size, char);
234 /* The first SV in an arena isn't an SV. */
235 SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */
236 SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */
237 SvFLAGS(sva) = flags; /* FAKE if not to be freed */
242 svend = &sva[SvREFCNT(sva) - 1];
245 SvANY(sv) = (void *)(SV*)(sv + 1);
246 SvFLAGS(sv) = SVTYPEMASK;
250 SvFLAGS(sv) = SVTYPEMASK;
259 sv_add_arena(nice_chunk, nice_chunk_size, 0);
263 char *chunk; /* must use New here to match call to */
264 New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
265 sv_add_arena(chunk, 1008, 0);
279 for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
280 svend = &sva[SvREFCNT(sva)];
281 for (sv = sva + 1; sv < svend; ++sv) {
282 if (SvTYPE(sv) != SVTYPEMASK)
294 if (SvTYPE(sv) != SVTYPEMASK) {
295 /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
296 PerlIO_printf(PerlIO_stderr(), "****\n");
304 visit(do_report_used);
313 if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
314 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
320 /* XXX Might want to check arrays, etc. */
323 #ifndef DISABLE_DESTRUCTOR_KLUDGE
325 do_clean_named_objs(sv)
328 if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
329 do_clean_objs(GvSV(sv));
333 static bool in_clean_objs = FALSE;
338 in_clean_objs = TRUE;
339 #ifndef DISABLE_DESTRUCTOR_KLUDGE
340 visit(do_clean_named_objs);
342 visit(do_clean_objs);
343 in_clean_objs = FALSE;
350 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
351 SvFLAGS(sv) |= SVf_BREAK;
355 static bool in_clean_all = FALSE;
362 in_clean_all = FALSE;
371 /* Free arenas here, but be careful about fake ones. (We assume
372 contiguity of the fake ones with the corresponding real ones.) */
374 for (sva = sv_arenaroot; sva; sva = svanext) {
375 svanext = (SV*) SvANY(sva);
376 while (svanext && SvFAKE(svanext))
377 svanext = (SV*) SvANY(svanext);
380 Safefree((void *)sva);
394 * See comment in more_xiv() -- RAM.
396 xiv_root = (IV**)*xiv;
397 return (XPVIV*)((char*)xiv - sizeof(XPV));
406 IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
407 *xiv = (IV *)xiv_root;
415 register IV** xivend;
416 XPV* ptr = (XPV*)safemalloc(1008);
417 ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
418 xiv_arenaroot = ptr; /* to keep Purify happy */
421 xivend = &xiv[1008 / sizeof(IV *) - 1];
422 xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
424 while (xiv < xivend) {
425 *xiv = (IV *)(xiv + 1);
438 xnv_root = *(double**)xnv;
439 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
448 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
449 *(double**)xnv = xnv_root;
456 register double* xnv;
457 register double* xnvend;
458 xnv = (double*)safemalloc(1008);
459 xnvend = &xnv[1008 / sizeof(double) - 1];
460 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
462 while (xnv < xnvend) {
463 *(double**)xnv = (double*)(xnv + 1);
476 xrv_root = (XRV*)xrv->xrv_rv;
486 p->xrv_rv = (SV*)xrv_root;
494 register XRV* xrvend;
495 xrv_root = (XRV*)safemalloc(1008);
497 xrvend = &xrv[1008 / sizeof(XRV) - 1];
498 while (xrv < xrvend) {
499 xrv->xrv_rv = (SV*)(xrv + 1);
512 xpv_root = (XPV*)xpv->xpv_pv;
522 p->xpv_pv = (char*)xpv_root;
530 register XPV* xpvend;
531 xpv_root = (XPV*)safemalloc(1008);
533 xpvend = &xpv[1008 / sizeof(XPV) - 1];
534 while (xpv < xpvend) {
535 xpv->xpv_pv = (char*)(xpv + 1);
543 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
544 #define del_XIV(p) free((char*)p)
546 #define new_XIV() (void*)new_xiv()
547 #define del_XIV(p) del_xiv(p)
551 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
552 #define del_XNV(p) free((char*)p)
554 #define new_XNV() (void*)new_xnv()
555 #define del_XNV(p) del_xnv(p)
559 #define new_XRV() (void*)safemalloc(sizeof(XRV))
560 #define del_XRV(p) free((char*)p)
562 #define new_XRV() (void*)new_xrv()
563 #define del_XRV(p) del_xrv(p)
567 #define new_XPV() (void*)safemalloc(sizeof(XPV))
568 #define del_XPV(p) free((char*)p)
570 #define new_XPV() (void*)new_xpv()
571 #define del_XPV(p) del_xpv(p)
574 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
575 #define del_XPVIV(p) free((char*)p)
577 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
578 #define del_XPVNV(p) free((char*)p)
580 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
581 #define del_XPVMG(p) free((char*)p)
583 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
584 #define del_XPVLV(p) free((char*)p)
586 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
587 #define del_XPVAV(p) free((char*)p)
589 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
590 #define del_XPVHV(p) free((char*)p)
592 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
593 #define del_XPVCV(p) free((char*)p)
595 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
596 #define del_XPVGV(p) free((char*)p)
598 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
599 #define del_XPVBM(p) free((char*)p)
601 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
602 #define del_XPVFM(p) free((char*)p)
604 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
605 #define del_XPVIO(p) free((char*)p)
620 if (SvTYPE(sv) == mt)
626 switch (SvTYPE(sv)) {
641 nv = (double)SvIVX(sv);
647 else if (mt < SVt_PVIV)
664 pv = (char*)SvRV(sv);
668 nv = (double)(unsigned long)pv;
684 else if (mt == SVt_NV)
695 del_XPVIV(SvANY(sv));
705 del_XPVNV(SvANY(sv));
715 del_XPVMG(SvANY(sv));
718 croak("Can't upgrade that kind of scalar");
723 croak("Can't upgrade to undef");
725 SvANY(sv) = new_XIV();
729 SvANY(sv) = new_XNV();
733 SvANY(sv) = new_XRV();
737 SvANY(sv) = new_XPV();
743 SvANY(sv) = new_XPVIV();
753 SvANY(sv) = new_XPVNV();
761 SvANY(sv) = new_XPVMG();
771 SvANY(sv) = new_XPVLV();
785 SvANY(sv) = new_XPVAV();
800 SvANY(sv) = new_XPVHV();
816 SvANY(sv) = new_XPVCV();
817 Zero(SvANY(sv), 1, XPVCV);
827 SvANY(sv) = new_XPVGV();
842 SvANY(sv) = new_XPVBM();
855 SvANY(sv) = new_XPVFM();
856 Zero(SvANY(sv), 1, XPVFM);
866 SvANY(sv) = new_XPVIO();
867 Zero(SvANY(sv), 1, XPVIO);
878 SvFLAGS(sv) &= ~SVTYPEMASK;
896 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
900 else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
901 if (sv == &sv_undef) {
902 strcpy(t, "SV_UNDEF");
903 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
904 SVs_GMG|SVs_SMG|SVs_RMG)) &&
908 else if (sv == &sv_no) {
910 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
911 SVs_GMG|SVs_SMG|SVs_RMG)) &&
912 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
920 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
921 SVs_GMG|SVs_SMG|SVs_RMG)) &&
922 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
925 SvPVX(sv) && *SvPVX(sv) == '1' &&
932 else if (SvREFCNT(sv) == 0) {
938 if (t - tokenbuf + unref > 10) {
939 strcpy(tokenbuf + unref + 3,"...");
945 switch (SvTYPE(sv)) {
985 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
1006 strcpy(t, "(null)");
1008 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
1010 sprintf(t,"(\"%.127s\")",SvPVX(sv));
1012 else if (SvNOKp(sv)) {
1013 SET_NUMERIC_STANDARD();
1014 sprintf(t,"(%g)",SvNVX(sv));
1016 else if (SvIOKp(sv))
1017 sprintf(t,"(%ld)",(long)SvIVX(sv));
1038 char *s = SvPVX(sv);
1039 SvLEN(sv) += SvIVX(sv);
1040 SvPVX(sv) -= SvIVX(sv);
1042 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
1044 SvFLAGS(sv) &= ~SVf_OOK;
1052 register I32 newlen;
1054 unsigned long newlen;
1059 #ifdef HAS_64K_LIMIT
1060 if (newlen >= 0x10000) {
1061 PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
1064 #endif /* HAS_64K_LIMIT */
1067 if (SvTYPE(sv) < SVt_PV) {
1068 sv_upgrade(sv, SVt_PV);
1071 else if (SvOOK(sv)) { /* pv is offset? */
1074 if (newlen > SvLEN(sv))
1075 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
1079 if (newlen > SvLEN(sv)) { /* need more room? */
1081 Renew(s,newlen,char);
1083 New(703,s,newlen,char);
1085 SvLEN_set(sv, newlen);
1095 if (SvTHINKFIRST(sv)) {
1096 if (SvREADONLY(sv) && curcop != &compiling)
1101 switch (SvTYPE(sv)) {
1103 sv_upgrade(sv, SVt_IV);
1106 sv_upgrade(sv, SVt_PVNV);
1110 sv_upgrade(sv, SVt_PVIV);
1124 croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
1125 op_name[op->op_type]);
1127 (void)SvIOK_only(sv); /* validate number */
1140 sv_setnv(sv, (double)u);
1148 if (SvTHINKFIRST(sv)) {
1149 if (SvREADONLY(sv) && curcop != &compiling)
1154 switch (SvTYPE(sv)) {
1157 sv_upgrade(sv, SVt_NV);
1163 sv_upgrade(sv, SVt_PVNV);
1170 (void)SvOOK_off(sv);
1183 croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
1184 op_name[op->op_type]);
1187 (void)SvNOK_only(sv); /* validate number */
1198 char *limit = tmpbuf + sizeof(tmpbuf) - 8;
1199 /* each *s can expand to 4 chars + "...\0",
1200 i.e. need room for 8 chars */
1202 for (s = SvPVX(sv); *s && d < limit; s++) {
1204 if (ch & 128 && !isPRINT_LC(ch)) {
1213 else if (ch == '\r') {
1217 else if (ch == '\f') {
1221 else if (ch == '\\') {
1225 else if (isPRINT_LC(ch))
1240 warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
1241 op_name[op->op_type]);
1243 warn("Argument \"%s\" isn't numeric", tmpbuf);
1252 if (SvGMAGICAL(sv)) {
1257 if (SvNVX(sv) < 0.0)
1258 return I_V(SvNVX(sv));
1260 return (IV) U_V(SvNVX(sv));
1262 if (SvPOKp(sv) && SvLEN(sv))
1267 if (SvTHINKFIRST(sv)) {
1271 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1272 return SvIV(tmpstr);
1273 #endif /* OVERLOAD */
1274 return (IV)SvRV(sv);
1276 if (SvREADONLY(sv)) {
1278 if (SvNVX(sv) < 0.0)
1279 return I_V(SvNVX(sv));
1281 return (IV) U_V(SvNVX(sv));
1283 if (SvPOKp(sv) && SvLEN(sv))
1290 switch (SvTYPE(sv)) {
1292 sv_upgrade(sv, SVt_IV);
1295 sv_upgrade(sv, SVt_PVIV);
1298 sv_upgrade(sv, SVt_PVNV);
1303 if (SvNVX(sv) < 0.0)
1304 SvIVX(sv) = I_V(SvNVX(sv));
1306 SvUVX(sv) = U_V(SvNVX(sv));
1308 else if (SvPOKp(sv) && SvLEN(sv)) {
1310 SvIVX(sv) = asIV(sv);
1313 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1317 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
1318 (unsigned long)sv,(long)SvIVX(sv)));
1328 if (SvGMAGICAL(sv)) {
1333 return U_V(SvNVX(sv));
1334 if (SvPOKp(sv) && SvLEN(sv))
1339 if (SvTHINKFIRST(sv)) {
1343 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1344 return SvUV(tmpstr);
1345 #endif /* OVERLOAD */
1346 return (UV)SvRV(sv);
1348 if (SvREADONLY(sv)) {
1350 return U_V(SvNVX(sv));
1352 if (SvPOKp(sv) && SvLEN(sv))
1359 switch (SvTYPE(sv)) {
1361 sv_upgrade(sv, SVt_IV);
1364 sv_upgrade(sv, SVt_PVIV);
1367 sv_upgrade(sv, SVt_PVNV);
1372 SvUVX(sv) = U_V(SvNVX(sv));
1374 else if (SvPOKp(sv) && SvLEN(sv)) {
1376 SvUVX(sv) = asUV(sv);
1379 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1383 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
1384 (unsigned long)sv,SvUVX(sv)));
1394 if (SvGMAGICAL(sv)) {
1398 if (SvPOKp(sv) && SvLEN(sv)) {
1399 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1401 SET_NUMERIC_STANDARD();
1402 return atof(SvPVX(sv));
1405 return (double)SvIVX(sv);
1410 if (SvTHINKFIRST(sv)) {
1414 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1415 return SvNV(tmpstr);
1416 #endif /* OVERLOAD */
1417 return (double)(unsigned long)SvRV(sv);
1419 if (SvREADONLY(sv)) {
1420 if (SvPOKp(sv) && SvLEN(sv)) {
1421 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1423 SET_NUMERIC_STANDARD();
1424 return atof(SvPVX(sv));
1427 return (double)SvIVX(sv);
1433 if (SvTYPE(sv) < SVt_NV) {
1434 if (SvTYPE(sv) == SVt_IV)
1435 sv_upgrade(sv, SVt_PVNV);
1437 sv_upgrade(sv, SVt_NV);
1438 DEBUG_c(SET_NUMERIC_STANDARD());
1439 DEBUG_c(PerlIO_printf(Perl_debug_log,
1440 "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1442 else if (SvTYPE(sv) < SVt_PVNV)
1443 sv_upgrade(sv, SVt_PVNV);
1445 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1447 SvNVX(sv) = (double)SvIVX(sv);
1449 else if (SvPOKp(sv) && SvLEN(sv)) {
1450 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1452 SET_NUMERIC_STANDARD();
1453 SvNVX(sv) = atof(SvPVX(sv));
1456 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1461 DEBUG_c(SET_NUMERIC_STANDARD());
1462 DEBUG_c(PerlIO_printf(Perl_debug_log,
1463 "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1471 I32 numtype = looks_like_number(sv);
1475 return atol(SvPVX(sv));
1476 if (!numtype && dowarn)
1478 SET_NUMERIC_STANDARD();
1479 d = atof(SvPVX(sv));
1490 I32 numtype = looks_like_number(sv);
1493 return atol(SvPVX(sv));
1494 if (!numtype && dowarn)
1496 SET_NUMERIC_STANDARD();
1497 return U_V(atof(SvPVX(sv)));
1501 looks_like_number(sv)
1505 register char *send;
1506 register char *sbegin;
1514 else if (SvPOKp(sv))
1515 sbegin = SvPV(sv, len);
1518 send = sbegin + len;
1523 if (*s == '+' || *s == '-')
1526 /* next must be digit or '.' */
1530 } while (isDIGIT(*s));
1533 while (isDIGIT(*s)) /* optional digits after "." */
1537 else if (*s == '.') {
1539 /* no digits before '.' means we need digits after it */
1543 } while (isDIGIT(*s));
1552 * we return 1 if the number can be converted to _integer_ with atol()
1553 * and 2 if you need (int)atof().
1557 /* we can have an optional exponent part */
1558 if (*s == 'e' || *s == 'E') {
1561 if (*s == '+' || *s == '-')
1566 } while (isDIGIT(*s));
1575 if (len == 10 && memEQ(sbegin, "0 but true", 10))
1592 if (SvGMAGICAL(sv)) {
1599 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1603 SET_NUMERIC_STANDARD();
1604 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1612 if (SvTHINKFIRST(sv)) {
1616 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1617 return SvPV(tmpstr,*lp);
1618 #endif /* OVERLOAD */
1623 switch (SvTYPE(sv)) {
1632 case SVt_PVMG: s = "SCALAR"; break;
1633 case SVt_PVLV: s = "LVALUE"; break;
1634 case SVt_PVAV: s = "ARRAY"; break;
1635 case SVt_PVHV: s = "HASH"; break;
1636 case SVt_PVCV: s = "CODE"; break;
1637 case SVt_PVGV: s = "GLOB"; break;
1638 case SVt_PVFM: s = "FORMATLINE"; break;
1639 case SVt_PVIO: s = "IO"; break;
1640 default: s = "UNKNOWN"; break;
1643 sprintf(tokenbuf, "%s=%s(0x%lx)",
1644 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1646 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1652 if (SvREADONLY(sv)) {
1654 SET_NUMERIC_STANDARD();
1655 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1659 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1668 if (!SvUPGRADE(sv, SVt_PV))
1671 if (SvTYPE(sv) < SVt_PVNV)
1672 sv_upgrade(sv, SVt_PVNV);
1675 olderrno = errno; /* some Xenix systems wipe out errno here */
1677 if (SvNVX(sv) == 0.0)
1678 (void)strcpy(s,"0");
1682 SET_NUMERIC_STANDARD();
1683 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1686 #ifdef FIXNEGATIVEZERO
1687 if (*s == '-' && s[1] == '0' && !s[2])
1696 else if (SvIOKp(sv)) {
1697 if (SvTYPE(sv) < SVt_PVIV)
1698 sv_upgrade(sv, SVt_PVIV);
1701 olderrno = errno; /* some Xenix systems wipe out errno here */
1702 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1707 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1713 *lp = s - SvPVX(sv);
1716 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1720 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1721 /* Sneaky stuff here */
1724 sv = sv_newmortal();
1725 *lp = strlen(tokenbuf);
1726 sv_setpvn(sv, tokenbuf, *lp);
1732 #ifdef FIXNEGATIVEZERO
1733 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1734 strcpy(tokenbuf,"0");
1736 (void)SvUPGRADE(sv, SVt_PV);
1737 len = *lp = strlen(tokenbuf);
1738 s = SvGROW(sv, len + 1);
1740 (void)strcpy(s, tokenbuf);
1746 /* This function is only called on magical items */
1760 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1761 return SvTRUE(tmpsv);
1763 #endif /* OVERLOAD */
1764 return SvRV(sv) != 0;
1768 if ((Xpv = (XPV*)SvANY(sv)) &&
1769 (*Xpv->xpv_pv > '0' ||
1771 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1778 return SvIVX(sv) != 0;
1781 return SvNVX(sv) != 0.0;
1788 /* Note: sv_setsv() should not be called with a source string that needs
1789 * to be reused, since it may destroy the source string if it is marked
1798 register U32 sflags;
1804 if (SvTHINKFIRST(dstr)) {
1805 if (SvREADONLY(dstr) && curcop != &compiling)
1812 stype = SvTYPE(sstr);
1813 dtype = SvTYPE(dstr);
1815 if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
1816 sv_unglob(dstr); /* so fake GLOB won't perpetuate */
1817 sv_setpvn(dstr, "", 0);
1818 (void)SvPOK_only(dstr);
1819 dtype = SvTYPE(dstr);
1824 #endif /* OVERLOAD */
1825 /* There's a lot of redundancy below but we're going for speed here */
1829 (void)SvOK_off(dstr);
1832 if (dtype != SVt_IV && dtype < SVt_PVIV) {
1834 sv_upgrade(dstr, SVt_IV);
1835 else if (dtype == SVt_NV)
1836 sv_upgrade(dstr, SVt_PVNV);
1838 sv_upgrade(dstr, SVt_PVIV);
1842 if (dtype != SVt_NV && dtype < SVt_PVNV) {
1844 sv_upgrade(dstr, SVt_NV);
1846 sv_upgrade(dstr, SVt_PVNV);
1851 sv_upgrade(dstr, SVt_RV);
1852 else if (dtype == SVt_PVGV &&
1853 SvTYPE(SvRV(sstr)) == SVt_PVGV) {
1856 if (curcop->cop_stash != GvSTASH(dstr))
1857 GvIMPORTED_on(dstr);
1866 sv_upgrade(dstr, SVt_PV);
1869 if (dtype < SVt_PVIV)
1870 sv_upgrade(dstr, SVt_PVIV);
1873 if (dtype < SVt_PVNV)
1874 sv_upgrade(dstr, SVt_PVNV);
1878 sv_upgrade(dstr, SVt_PVLV);
1886 croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
1887 op_name[op->op_type]);
1889 croak("Bizarre copy of %s", sv_reftype(sstr, 0));
1893 if (dtype <= SVt_PVGV) {
1895 if (dtype != SVt_PVGV) {
1896 char *name = GvNAME(sstr);
1897 STRLEN len = GvNAMELEN(sstr);
1898 sv_upgrade(dstr, SVt_PVGV);
1899 sv_magic(dstr, dstr, '*', name, len);
1900 GvSTASH(dstr) = GvSTASH(sstr);
1901 GvNAME(dstr) = savepvn(name, len);
1902 GvNAMELEN(dstr) = len;
1903 SvFAKE_on(dstr); /* can coerce to non-glob */
1905 (void)SvOK_off(dstr);
1906 GvINTRO_off(dstr); /* one-shot flag */
1908 GvGP(dstr) = gp_ref(GvGP(sstr));
1910 if (curcop->cop_stash != GvSTASH(dstr))
1911 GvIMPORTED_on(dstr);
1919 sv_upgrade(dstr, stype);
1920 if (SvGMAGICAL(sstr))
1924 sflags = SvFLAGS(sstr);
1926 if (sflags & SVf_ROK) {
1927 if (dtype >= SVt_PV) {
1928 if (dtype == SVt_PVGV) {
1929 SV *sref = SvREFCNT_inc(SvRV(sstr));
1931 int intro = GvINTRO(dstr);
1935 GvGP(dstr)->gp_refcnt--;
1936 GvINTRO_off(dstr); /* one-shot flag */
1937 Newz(602,gp, 1, GP);
1938 GvGP(dstr) = gp_ref(gp);
1939 GvSV(dstr) = NEWSV(72,0);
1940 GvLINE(dstr) = curcop->cop_line;
1941 GvEGV(dstr) = (GV*)dstr;
1944 switch (SvTYPE(sref)) {
1947 SAVESPTR(GvAV(dstr));
1949 dref = (SV*)GvAV(dstr);
1950 GvAV(dstr) = (AV*)sref;
1951 if (curcop->cop_stash != GvSTASH(dstr))
1952 GvIMPORTED_AV_on(dstr);
1956 SAVESPTR(GvHV(dstr));
1958 dref = (SV*)GvHV(dstr);
1959 GvHV(dstr) = (HV*)sref;
1960 if (curcop->cop_stash != GvSTASH(dstr))
1961 GvIMPORTED_HV_on(dstr);
1965 if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
1966 SvREFCNT_dec(GvCV(dstr));
1967 GvCV(dstr) = Nullcv;
1968 GvCVGEN(dstr) = 0; /* Switch off cacheness. */
1971 SAVESPTR(GvCV(dstr));
1974 dref = (SV*)GvCV(dstr);
1975 if (GvCV(dstr) != (CV*)sref) {
1976 CV* cv = GvCV(dstr);
1978 if (!GvCVGEN((GV*)dstr) &&
1979 (CvROOT(cv) || CvXSUB(cv)))
1981 if (cv_const_sv(cv))
1982 warn("Constant subroutine %s redefined",
1983 GvENAME((GV*)dstr));
1985 warn("Subroutine %s redefined",
1986 GvENAME((GV*)dstr));
1988 if (SvPOK(cv) != SvPOK(sref)
1990 && strNE(SvPVX(cv), SvPVX(sref)))) {
1991 warn("Prototype mismatch: (%s) vs (%s)",
1992 SvPOK(cv) ? SvPVX(cv) : "none",
1993 SvPOK(sref) ? SvPVX(sref) : "none");
1996 GvCV(dstr) = (CV*)sref;
1997 GvCVGEN(dstr) = 0; /* Switch off cacheness. */
1998 GvASSUMECV_on(dstr);
2001 if (curcop->cop_stash != GvSTASH(dstr))
2002 GvIMPORTED_CV_on(dstr);
2006 SAVESPTR(GvIOp(dstr));
2008 dref = (SV*)GvIOp(dstr);
2009 GvIOp(dstr) = (IO*)sref;
2013 SAVESPTR(GvSV(dstr));
2015 dref = (SV*)GvSV(dstr);
2017 if (curcop->cop_stash != GvSTASH(dstr))
2018 GvIMPORTED_SV_on(dstr);
2029 (void)SvOOK_off(dstr); /* backoff */
2030 Safefree(SvPVX(dstr));
2031 SvLEN(dstr)=SvCUR(dstr)=0;
2034 (void)SvOK_off(dstr);
2035 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
2037 if (sflags & SVp_NOK) {
2039 SvNVX(dstr) = SvNVX(sstr);
2041 if (sflags & SVp_IOK) {
2042 (void)SvIOK_on(dstr);
2043 SvIVX(dstr) = SvIVX(sstr);
2046 if (SvAMAGIC(sstr)) {
2049 #endif /* OVERLOAD */
2051 else if (sflags & SVp_POK) {
2054 * Check to see if we can just swipe the string. If so, it's a
2055 * possible small lose on short strings, but a big win on long ones.
2056 * It might even be a win on short strings if SvPVX(dstr)
2057 * has to be allocated and SvPVX(sstr) has to be freed.
2060 if (SvTEMP(sstr) && /* slated for free anyway? */
2061 !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
2063 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
2065 SvFLAGS(dstr) &= ~SVf_OOK;
2066 Safefree(SvPVX(dstr) - SvIVX(dstr));
2069 Safefree(SvPVX(dstr));
2071 (void)SvPOK_only(dstr);
2072 SvPV_set(dstr, SvPVX(sstr));
2073 SvLEN_set(dstr, SvLEN(sstr));
2074 SvCUR_set(dstr, SvCUR(sstr));
2076 (void)SvOK_off(sstr);
2077 SvPV_set(sstr, Nullch);
2082 else { /* have to copy actual string */
2083 STRLEN len = SvCUR(sstr);
2085 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
2086 Move(SvPVX(sstr),SvPVX(dstr),len,char);
2087 SvCUR_set(dstr, len);
2088 *SvEND(dstr) = '\0';
2089 (void)SvPOK_only(dstr);
2092 if (sflags & SVp_NOK) {
2094 SvNVX(dstr) = SvNVX(sstr);
2096 if (sflags & SVp_IOK) {
2097 (void)SvIOK_on(dstr);
2098 SvIVX(dstr) = SvIVX(sstr);
2101 else if (sflags & SVp_NOK) {
2102 SvNVX(dstr) = SvNVX(sstr);
2103 (void)SvNOK_only(dstr);
2105 (void)SvIOK_on(dstr);
2106 SvIVX(dstr) = SvIVX(sstr);
2109 else if (sflags & SVp_IOK) {
2110 (void)SvIOK_only(dstr);
2111 SvIVX(dstr) = SvIVX(sstr);
2114 (void)SvOK_off(dstr);
2120 sv_setpvn(sv,ptr,len)
2122 register const char *ptr;
2123 register STRLEN len;
2125 assert(len >= 0); /* STRLEN is probably unsigned, so this may
2126 elicit a warning, but it won't hurt. */
2127 if (SvTHINKFIRST(sv)) {
2128 if (SvREADONLY(sv) && curcop != &compiling)
2137 if (SvTYPE(sv) >= SVt_PV) {
2138 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2141 else if (!sv_upgrade(sv, SVt_PV))
2143 SvGROW(sv, len + 1);
2144 Move(ptr,SvPVX(sv),len,char);
2147 (void)SvPOK_only(sv); /* validate pointer */
2154 register const char *ptr;
2156 register STRLEN len;
2158 if (SvTHINKFIRST(sv)) {
2159 if (SvREADONLY(sv) && curcop != &compiling)
2169 if (SvTYPE(sv) >= SVt_PV) {
2170 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2173 else if (!sv_upgrade(sv, SVt_PV))
2175 SvGROW(sv, len + 1);
2176 Move(ptr,SvPVX(sv),len+1,char);
2178 (void)SvPOK_only(sv); /* validate pointer */
2183 sv_usepvn(sv,ptr,len)
2186 register STRLEN len;
2188 if (SvTHINKFIRST(sv)) {
2189 if (SvREADONLY(sv) && curcop != &compiling)
2194 if (!SvUPGRADE(sv, SVt_PV))
2201 Safefree(SvPVX(sv));
2202 Renew(ptr, len+1, char);
2205 SvLEN_set(sv, len+1);
2207 (void)SvPOK_only(sv); /* validate pointer */
2212 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
2216 register STRLEN delta;
2218 if (!ptr || !SvPOKp(sv))
2220 if (SvTHINKFIRST(sv)) {
2221 if (SvREADONLY(sv) && curcop != &compiling)
2226 if (SvTYPE(sv) < SVt_PVIV)
2227 sv_upgrade(sv,SVt_PVIV);
2231 SvFLAGS(sv) |= SVf_OOK;
2233 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
2234 delta = ptr - SvPVX(sv);
2242 sv_catpvn(sv,ptr,len)
2245 register STRLEN len;
2250 junk = SvPV_force(sv, tlen);
2251 SvGROW(sv, tlen + len + 1);
2254 Move(ptr,SvPVX(sv)+tlen,len,char);
2257 (void)SvPOK_only(sv); /* validate pointer */
2270 if (s = SvPV(sstr, len))
2271 sv_catpvn(dstr,s,len);
2279 register STRLEN len;
2285 junk = SvPV_force(sv, tlen);
2287 SvGROW(sv, tlen + len + 1);
2290 Move(ptr,SvPVX(sv)+tlen,len+1,char);
2292 (void)SvPOK_only(sv); /* validate pointer */
2312 sv_upgrade(sv, SVt_PV);
2313 SvGROW(sv, len + 1);
2318 /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
2321 sv_magic(sv, obj, how, name, namlen)
2330 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
2332 if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
2333 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
2340 if (!SvUPGRADE(sv, SVt_PVMG))
2343 Newz(702,mg, 1, MAGIC);
2344 mg->mg_moremagic = SvMAGIC(sv);
2347 if (!obj || obj == sv || how == '#')
2350 mg->mg_obj = SvREFCNT_inc(obj);
2351 mg->mg_flags |= MGf_REFCOUNTED;
2354 mg->mg_len = namlen;
2357 mg->mg_ptr = savepvn(name, namlen);
2358 else if (namlen == HEf_SVKEY)
2359 mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
2363 mg->mg_virtual = &vtbl_sv;
2367 mg->mg_virtual = &vtbl_amagic;
2370 mg->mg_virtual = &vtbl_amagicelem;
2375 #endif /* OVERLOAD */
2377 mg->mg_virtual = &vtbl_bm;
2380 mg->mg_virtual = &vtbl_env;
2383 mg->mg_virtual = &vtbl_fm;
2386 mg->mg_virtual = &vtbl_envelem;
2389 mg->mg_virtual = &vtbl_mglob;
2392 mg->mg_virtual = &vtbl_isa;
2395 mg->mg_virtual = &vtbl_isaelem;
2398 mg->mg_virtual = &vtbl_nkeys;
2405 mg->mg_virtual = &vtbl_dbline;
2407 #ifdef USE_LOCALE_COLLATE
2409 mg->mg_virtual = &vtbl_collxfrm;
2411 #endif /* USE_LOCALE_COLLATE */
2413 mg->mg_virtual = &vtbl_pack;
2417 mg->mg_virtual = &vtbl_packelem;
2420 mg->mg_virtual = &vtbl_sig;
2423 mg->mg_virtual = &vtbl_sigelem;
2426 mg->mg_virtual = &vtbl_taint;
2430 mg->mg_virtual = &vtbl_uvar;
2433 mg->mg_virtual = &vtbl_vec;
2436 mg->mg_virtual = &vtbl_substr;
2439 mg->mg_virtual = &vtbl_defelem;
2442 mg->mg_virtual = &vtbl_glob;
2445 mg->mg_virtual = &vtbl_arylen;
2448 mg->mg_virtual = &vtbl_pos;
2450 case '~': /* Reserved for use by extensions not perl internals. */
2451 /* Useful for attaching extension internal data to perl vars. */
2452 /* Note that multiple extensions may clash if magical scalars */
2453 /* etc holding private data from one are passed to another. */
2457 croak("Don't know how to handle magic of type '%c'", how);
2461 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
2465 sv_unmagic(sv, type)
2471 if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
2474 for (mg = *mgp; mg; mg = *mgp) {
2475 if (mg->mg_type == type) {
2476 MGVTBL* vtbl = mg->mg_virtual;
2477 *mgp = mg->mg_moremagic;
2478 if (vtbl && vtbl->svt_free)
2479 (*vtbl->svt_free)(sv, mg);
2480 if (mg->mg_ptr && mg->mg_type != 'g')
2481 if (mg->mg_len >= 0)
2482 Safefree(mg->mg_ptr);
2483 else if (mg->mg_len == HEf_SVKEY)
2484 SvREFCNT_dec((SV*)mg->mg_ptr);
2485 if (mg->mg_flags & MGf_REFCOUNTED)
2486 SvREFCNT_dec(mg->mg_obj);
2490 mgp = &mg->mg_moremagic;
2494 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
2501 sv_insert(bigstr,offset,len,little,littlelen)
2510 register char *midend;
2511 register char *bigend;
2515 croak("Can't modify non-existent substring");
2516 SvPV_force(bigstr, na);
2518 i = littlelen - len;
2519 if (i > 0) { /* string might grow */
2520 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
2521 mid = big + offset + len;
2522 midend = bigend = big + SvCUR(bigstr);
2525 while (midend > mid) /* shove everything down */
2526 *--bigend = *--midend;
2527 Move(little,big+offset,littlelen,char);
2533 Move(little,SvPVX(bigstr)+offset,len,char);
2538 big = SvPVX(bigstr);
2541 bigend = big + SvCUR(bigstr);
2543 if (midend > bigend)
2544 croak("panic: sv_insert");
2546 if (mid - big > bigend - midend) { /* faster to shorten from end */
2548 Move(little, mid, littlelen,char);
2551 i = bigend - midend;
2553 Move(midend, mid, i,char);
2557 SvCUR_set(bigstr, mid - big);
2560 else if (i = mid - big) { /* faster from front */
2561 midend -= littlelen;
2563 sv_chop(bigstr,midend-i);
2568 Move(little, mid, littlelen,char);
2570 else if (littlelen) {
2571 midend -= littlelen;
2572 sv_chop(bigstr,midend);
2573 Move(little,midend,littlelen,char);
2576 sv_chop(bigstr,midend);
2581 /* make sv point to what nstr did */
2588 U32 refcnt = SvREFCNT(sv);
2589 if (SvTHINKFIRST(sv)) {
2590 if (SvREADONLY(sv) && curcop != &compiling)
2595 if (SvREFCNT(nsv) != 1)
2596 warn("Reference miscount in sv_replace()");
2597 if (SvMAGICAL(sv)) {
2601 sv_upgrade(nsv, SVt_PVMG);
2602 SvMAGIC(nsv) = SvMAGIC(sv);
2603 SvFLAGS(nsv) |= SvMAGICAL(sv);
2609 assert(!SvREFCNT(sv));
2610 StructCopy(nsv,sv,SV);
2611 SvREFCNT(sv) = refcnt;
2612 SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
2621 assert(SvREFCNT(sv) == 0);
2624 if (defstash) { /* Still have a symbol table? */
2629 SAVEFREESV(SvSTASH(sv));
2631 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2636 sv_upgrade(&ref, SVt_RV);
2637 SvRV(&ref) = SvREFCNT_inc(sv);
2639 SvREFCNT(&ref) = 1; /* Fake, but otherwise
2640 creating+destructing a ref
2641 leads to disaster. */
2647 perl_call_sv((SV*)GvCV(destructor),
2648 G_DISCARD|G_EVAL|G_KEEPERR);
2649 del_XRV(SvANY(&ref));
2656 SvREFCNT_dec(SvSTASH(sv));
2658 SvOBJECT_off(sv); /* Curse the object. */
2659 if (SvTYPE(sv) != SVt_PVIO)
2660 --sv_objcount; /* XXX Might want something more general */
2665 && (ret = perl_get_sv("DB::ret", FALSE))
2666 && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
2667 /* Debugger is prone to dangling references. */
2674 croak("DESTROY created new reference to dead object");
2675 /* DESTROY gave object new lease on life */
2680 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
2682 switch (SvTYPE(sv)) {
2684 if (IoIFP(sv) != PerlIO_stdin() &&
2685 IoIFP(sv) != PerlIO_stdout() &&
2686 IoIFP(sv) != PerlIO_stderr())
2688 Safefree(IoTOP_NAME(sv));
2689 Safefree(IoFMT_NAME(sv));
2690 Safefree(IoBOTTOM_NAME(sv));
2706 Safefree(GvNAME(sv));
2713 (void)SvOOK_off(sv);
2718 SvREFCNT_dec(SvRV(sv));
2719 else if (SvPVX(sv) && SvLEN(sv))
2720 Safefree(SvPVX(sv));
2730 switch (SvTYPE(sv)) {
2746 del_XPVIV(SvANY(sv));
2749 del_XPVNV(SvANY(sv));
2752 del_XPVMG(SvANY(sv));
2755 del_XPVLV(SvANY(sv));
2758 del_XPVAV(SvANY(sv));
2761 del_XPVHV(SvANY(sv));
2764 del_XPVCV(SvANY(sv));
2767 del_XPVGV(SvANY(sv));
2770 del_XPVBM(SvANY(sv));
2773 del_XPVFM(SvANY(sv));
2776 del_XPVIO(SvANY(sv));
2779 SvFLAGS(sv) &= SVf_BREAK;
2780 SvFLAGS(sv) |= SVTYPEMASK;
2798 if (SvREADONLY(sv)) {
2799 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2802 if (SvREFCNT(sv) == 0) {
2803 if (SvFLAGS(sv) & SVf_BREAK)
2805 if (in_clean_all) /* All is fair */
2807 warn("Attempt to free unreferenced scalar");
2810 if (--SvREFCNT(sv) > 0)
2814 warn("Attempt to free temp prematurely");
2836 junk = SvPV(sv, len);
2855 pv1 = SvPV(str1, cur1);
2860 pv2 = SvPV(str2, cur2);
2865 return memEQ(pv1, pv2, cur1);
2874 char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
2876 char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
2880 return cur2 ? -1 : 0;
2885 retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
2888 return retval < 0 ? -1 : 1;
2893 return cur1 < cur2 ? -1 : 1;
2897 sv_cmp_locale(sv1, sv2)
2901 #ifdef USE_LOCALE_COLLATE
2907 if (collation_standard)
2911 pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
2913 pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
2915 if (!pv1 || !len1) {
2926 retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
2929 return retval < 0 ? -1 : 1;
2932 * When the result of collation is equality, that doesn't mean
2933 * that there are no differences -- some locales exclude some
2934 * characters from consideration. So to avoid false equalities,
2935 * we use the raw string as a tiebreaker.
2941 #endif /* USE_LOCALE_COLLATE */
2943 return sv_cmp(sv1, sv2);
2946 #ifdef USE_LOCALE_COLLATE
2948 * Any scalar variable may carry an 'o' magic that contains the
2949 * scalar data of the variable transformed to such a format that
2950 * a normal memory comparison can be used to compare the data
2951 * according to the locale settings.
2954 sv_collxfrm(sv, nxp)
2960 mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL;
2961 if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) {
2966 Safefree(mg->mg_ptr);
2968 if ((xf = mem_collxfrm(s, len, &xlen))) {
2969 if (SvREADONLY(sv)) {
2975 sv_magic(sv, 0, 'o', 0, 0);
2976 mg = mg_find(sv, 'o');
2989 if (mg && mg->mg_ptr) {
2991 return mg->mg_ptr + sizeof(collation_ix);
2999 #endif /* USE_LOCALE_COLLATE */
3002 sv_gets(sv,fp,append)
3004 register PerlIO *fp;
3009 register STDCHAR rslast;
3010 register STDCHAR *bp;
3014 if (SvTHINKFIRST(sv)) {
3015 if (SvREADONLY(sv) && curcop != &compiling)
3020 if (!SvUPGRADE(sv, SVt_PV))
3028 else if (RsPARA(rs)) {
3033 rsptr = SvPV(rs, rslen);
3034 rslast = rslen ? rsptr[rslen - 1] : '\0';
3036 if (RsPARA(rs)) { /* have to do this both before and after */
3037 do { /* to make sure file boundaries work right */
3040 i = PerlIO_getc(fp);
3044 PerlIO_ungetc(fp,i);
3050 /* See if we know enough about I/O mechanism to cheat it ! */
3052 /* This used to be #ifdef test - it is made run-time test for ease
3053 of abstracting out stdio interface. One call should be cheap
3054 enough here - and may even be a macro allowing compile
3058 if (PerlIO_fast_gets(fp)) {
3061 * We're going to steal some values from the stdio struct
3062 * and put EVERYTHING in the innermost loop into registers.
3064 register STDCHAR *ptr;
3068 #if defined(VMS) && defined(PERLIO_IS_STDIO)
3069 /* An ungetc()d char is handled separately from the regular
3070 * buffer, so we getc() it back out and stuff it in the buffer.
3072 i = PerlIO_getc(fp);
3073 if (i == EOF) return 0;
3074 *(--((*fp)->_ptr)) = (unsigned char) i;
3078 /* Here is some breathtakingly efficient cheating */
3080 cnt = PerlIO_get_cnt(fp); /* get count into register */
3081 (void)SvPOK_only(sv); /* validate pointer */
3082 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
3083 if (cnt > 80 && SvLEN(sv) > append) {
3084 shortbuffered = cnt - SvLEN(sv) + append + 1;
3085 cnt -= shortbuffered;
3089 /* remember that cnt can be negative */
3090 SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
3095 bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
3096 ptr = (STDCHAR*)PerlIO_get_ptr(fp);
3097 DEBUG_P(PerlIO_printf(Perl_debug_log,
3098 "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
3099 DEBUG_P(PerlIO_printf(Perl_debug_log,
3100 "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
3101 (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
3102 (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0)));
3107 while (cnt > 0) { /* this | eat */
3109 if ((*bp++ = *ptr++) == rslast) /* really | dust */
3110 goto thats_all_folks; /* screams | sed :-) */
3114 Copy(ptr, bp, cnt, char); /* this | eat */
3115 bp += cnt; /* screams | dust */
3116 ptr += cnt; /* louder | sed :-) */
3121 if (shortbuffered) { /* oh well, must extend */
3122 cnt = shortbuffered;
3124 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3126 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
3127 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3131 DEBUG_P(PerlIO_printf(Perl_debug_log,
3132 "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
3133 PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
3134 DEBUG_P(PerlIO_printf(Perl_debug_log,
3135 "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
3136 (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
3137 (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
3138 /* This used to call 'filbuf' in stdio form, but as that behaves like
3139 getc when cnt <= 0 we use PerlIO_getc here to avoid introducing
3140 another abstraction. */
3141 i = PerlIO_getc(fp); /* get more characters */
3142 DEBUG_P(PerlIO_printf(Perl_debug_log,
3143 "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
3144 (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
3145 (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
3146 cnt = PerlIO_get_cnt(fp);
3147 ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
3148 DEBUG_P(PerlIO_printf(Perl_debug_log,
3149 "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
3151 if (i == EOF) /* all done for ever? */
3152 goto thats_really_all_folks;
3154 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3156 SvGROW(sv, bpx + cnt + 2);
3157 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3159 *bp++ = i; /* store character from PerlIO_getc */
3161 if (rslen && (STDCHAR)i == rslast) /* all done for now? */
3162 goto thats_all_folks;
3166 if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
3167 memNE((char*)bp - rslen, rsptr, rslen))
3168 goto screamer; /* go back to the fray */
3169 thats_really_all_folks:
3171 cnt += shortbuffered;
3172 DEBUG_P(PerlIO_printf(Perl_debug_log,
3173 "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
3174 PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
3175 DEBUG_P(PerlIO_printf(Perl_debug_log,
3176 "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
3177 (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
3178 (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
3180 SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
3181 DEBUG_P(PerlIO_printf(Perl_debug_log,
3182 "Screamer: done, len=%d, string=|%.*s|\n",
3183 SvCUR(sv),(int)SvCUR(sv),SvPVX(sv)));
3187 /*The big, slow, and stupid way */
3192 register STDCHAR *bpe = buf + sizeof(buf);
3194 while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
3195 ; /* keep reading */
3199 cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
3200 /* Accomodate broken VAXC compiler, which applies U8 cast to
3201 * both args of ?: operator, causing EOF to change into 255
3203 if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
3207 sv_catpvn(sv, (char *) buf, cnt);
3209 sv_setpvn(sv, (char *) buf, cnt);
3211 if (i != EOF && /* joy */
3213 SvCUR(sv) < rslen ||
3214 memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
3221 if (RsPARA(rs)) { /* have to do this both before and after */
3222 while (i != EOF) { /* to make sure file boundaries work right */
3223 i = PerlIO_getc(fp);
3225 PerlIO_ungetc(fp,i);
3231 return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
3244 if (SvTHINKFIRST(sv)) {
3245 if (SvREADONLY(sv) && curcop != &compiling)
3249 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
3250 #endif /* OVERLOAD */
3256 flags = SvFLAGS(sv);
3257 if (flags & SVp_NOK) {
3258 (void)SvNOK_only(sv);
3262 if (flags & SVp_IOK) {
3263 if (SvIVX(sv) == IV_MAX)
3264 sv_setnv(sv, (double)IV_MAX + 1.0);
3266 (void)SvIOK_only(sv);
3271 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
3272 if ((flags & SVTYPEMASK) < SVt_PVNV)
3273 sv_upgrade(sv, SVt_NV);
3275 (void)SvNOK_only(sv);
3279 while (isALPHA(*d)) d++;
3280 while (isDIGIT(*d)) d++;
3282 SET_NUMERIC_STANDARD();
3283 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
3287 while (d >= SvPVX(sv)) {
3297 *(d--) -= 'z' - 'a' + 1;
3300 /* oh,oh, the number grew */
3301 SvGROW(sv, SvCUR(sv) + 2);
3303 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
3319 if (SvTHINKFIRST(sv)) {
3320 if (SvREADONLY(sv) && curcop != &compiling)
3324 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
3325 #endif /* OVERLOAD */
3331 flags = SvFLAGS(sv);
3332 if (flags & SVp_NOK) {
3334 (void)SvNOK_only(sv);
3337 if (flags & SVp_IOK) {
3338 if (SvIVX(sv) == IV_MIN)
3339 sv_setnv(sv, (double)IV_MIN - 1.0);
3341 (void)SvIOK_only(sv);
3346 if (!(flags & SVp_POK)) {
3347 if ((flags & SVTYPEMASK) < SVt_PVNV)
3348 sv_upgrade(sv, SVt_NV);
3350 (void)SvNOK_only(sv);
3353 SET_NUMERIC_STANDARD();
3354 sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
3357 /* Make a string that will exist for the duration of the expression
3358 * evaluation. Actually, it may have to last longer than that, but
3359 * hopefully we won't free it until it has been assigned to a
3360 * permanent location. */
3365 tmps_max += (tmps_max < 512) ? 128 : 512;
3366 Renew(tmps_stack, tmps_max, SV*);
3370 sv_mortalcopy(oldstr)
3379 sv_setsv(sv,oldstr);
3380 if (++tmps_ix >= tmps_max)
3382 tmps_stack[tmps_ix] = sv;
3395 SvFLAGS(sv) = SVs_TEMP;
3396 if (++tmps_ix >= tmps_max)
3398 tmps_stack[tmps_ix] = sv;
3402 /* same thing without the copying */
3410 if (SvREADONLY(sv) && curcop != &compiling)
3412 if (++tmps_ix >= tmps_max)
3414 tmps_stack[tmps_ix] = sv;
3432 sv_setpvn(sv,s,len);
3474 sv_upgrade(sv, SVt_RV);
3476 SvRV(sv) = SvREFCNT_inc(ref);
3492 #endif /* CRIPPLED_CC */
3494 /* make an exact duplicate of old */
3504 if (SvTYPE(old) == SVTYPEMASK) {
3505 warn("semi-panic: attempt to dup freed string");
3535 if (!*s) { /* reset ?? searches */
3536 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
3537 pm->op_pmflags &= ~PMf_USED;
3542 /* reset variables */
3544 if (!HvARRAY(stash))
3547 Zero(todo, 256, char);
3554 for ( ; i <= max; i++) {
3557 for (i = 0; i <= (I32) HvMAX(stash); i++) {
3558 for (entry = HvARRAY(stash)[i];
3560 entry = HeNEXT(entry)) {
3561 if (!todo[(U8)*HeKEY(entry)])
3563 gv = (GV*)HeVAL(entry);
3566 if (SvTYPE(sv) >= SVt_PV) {
3568 if (SvPVX(sv) != Nullch)
3575 if (GvHV(gv) && !HvNAME(GvHV(gv))) {
3577 #ifndef VMS /* VMS has no environ array */
3579 environ[0] = Nullch;
3588 sv_2cv(sv, st, gvp, lref)
3598 return *gvp = Nullgv, Nullcv;
3599 switch (SvTYPE(sv)) {
3619 if (SvTYPE(cv) != SVt_PVCV)
3620 croak("Not a subroutine reference");
3628 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
3634 if (lref && !GvCVu(gv)) {
3637 tmpsv = NEWSV(704,0);
3638 gv_efullname3(tmpsv, gv, Nullch);
3639 newSUB(start_subparse(FALSE, 0),
3640 newSVOP(OP_CONST, 0, tmpsv),
3645 croak("Unable to create sub named \"%s\"", SvPV(sv,na));
3662 if ((Xpv = (XPV*)SvANY(sv)) &&
3663 (*Xpv->xpv_pv > '0' ||
3665 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
3672 return SvIVX(sv) != 0;
3675 return SvNVX(sv) != 0.0;
3677 return sv_2bool(sv);
3681 #endif /* !SvTRUE */
3726 return sv_2pv(sv, lp);
3731 sv_pvn_force(sv, lp)
3737 if (SvREADONLY(sv) && curcop != &compiling)
3744 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
3745 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
3751 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
3752 op_name[op->op_type]);
3756 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
3761 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
3762 SvGROW(sv, len + 1);
3763 Move(s,SvPVX(sv),len,char);
3768 SvPOK_on(sv); /* validate pointer */
3770 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
3771 (unsigned long)sv,SvPVX(sv)));
3782 if (ob && SvOBJECT(sv))
3783 return HvNAME(SvSTASH(sv));
3785 switch (SvTYPE(sv)) {
3799 case SVt_PVLV: return "LVALUE";
3800 case SVt_PVAV: return "ARRAY";
3801 case SVt_PVHV: return "HASH";
3802 case SVt_PVCV: return "CODE";
3803 case SVt_PVGV: return "GLOB";
3804 case SVt_PVFM: return "FORMLINE";
3805 default: return "UNKNOWN";
3841 return strEQ(HvNAME(SvSTASH(sv)), name);
3845 newSVrv(rv, classname)
3855 sv_upgrade(rv, SVt_RV);
3856 SvRV(rv) = SvREFCNT_inc(sv);
3860 HV* stash = gv_stashpv(classname, TRUE);
3861 (void)sv_bless(rv, stash);
3867 sv_setref_pv(rv, classname, pv)
3873 sv_setsv(rv, &sv_undef);
3875 sv_setiv(newSVrv(rv,classname), (IV)pv);
3880 sv_setref_iv(rv, classname, iv)
3885 sv_setiv(newSVrv(rv,classname), iv);
3890 sv_setref_nv(rv, classname, nv)
3895 sv_setnv(newSVrv(rv,classname), nv);
3900 sv_setref_pvn(rv, classname, pv, n)
3906 sv_setpvn(newSVrv(rv,classname), pv, n);
3917 croak("Can't bless non-reference value");
3919 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3920 if (SvREADONLY(ref))
3922 if (SvOBJECT(ref)) {
3923 if (SvTYPE(ref) != SVt_PVIO)
3925 SvREFCNT_dec(SvSTASH(ref));
3929 if (SvTYPE(ref) != SVt_PVIO)
3931 (void)SvUPGRADE(ref, SVt_PVMG);
3932 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3939 #endif /* OVERLOAD */
3948 assert(SvTYPE(sv) == SVt_PVGV);
3952 sv_unmagic(sv, '*');
3953 Safefree(GvNAME(sv));
3955 SvFLAGS(sv) &= ~SVTYPEMASK;
3956 SvFLAGS(sv) |= SVt_PVMG;
3967 if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
3970 sv_2mortal(rv); /* Schedule for freeing later */
3980 switch (SvTYPE(sv)) {
3988 croak("Bad filehandle: %s", GvNAME(gv));
3992 croak(no_usym, "filehandle");
3994 return sv_2io(SvRV(sv));
3995 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
4001 croak("Bad filehandle: %s", SvPV(sv,na));
4011 sv_magic((sv), Nullsv, 't', Nullch, 0);
4018 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
4019 MAGIC *mg = mg_find(sv, 't');
4029 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
4030 MAGIC *mg = mg_find(sv, 't');
4031 if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
4048 PerlIO_printf(Perl_debug_log, "SV = 0\n");
4052 flags = SvFLAGS(sv);
4055 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
4056 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
4058 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
4059 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
4060 if (flags & SVs_PADMY) strcat(d, "PADMY,");
4061 if (flags & SVs_TEMP) strcat(d, "TEMP,");
4062 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
4063 if (flags & SVs_GMG) strcat(d, "GMG,");
4064 if (flags & SVs_SMG) strcat(d, "SMG,");
4065 if (flags & SVs_RMG) strcat(d, "RMG,");
4068 if (flags & SVf_IOK) strcat(d, "IOK,");
4069 if (flags & SVf_NOK) strcat(d, "NOK,");
4070 if (flags & SVf_POK) strcat(d, "POK,");
4071 if (flags & SVf_ROK) strcat(d, "ROK,");
4072 if (flags & SVf_OOK) strcat(d, "OOK,");
4073 if (flags & SVf_FAKE) strcat(d, "FAKE,");
4074 if (flags & SVf_READONLY) strcat(d, "READONLY,");
4078 if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
4079 #endif /* OVERLOAD */
4080 if (flags & SVp_IOK) strcat(d, "pIOK,");
4081 if (flags & SVp_NOK) strcat(d, "pNOK,");
4082 if (flags & SVp_POK) strcat(d, "pPOK,");
4083 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
4088 if (CvANON(sv)) strcat(d, "ANON,");
4089 if (CvUNIQUE(sv)) strcat(d, "UNIQUE,");
4090 if (CvCLONE(sv)) strcat(d, "CLONE,");
4091 if (CvCLONED(sv)) strcat(d, "CLONED,");
4092 if (CvNODEBUG(sv)) strcat(d, "NODEBUG,");
4095 if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
4096 if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
4099 if (GvINTRO(sv)) strcat(d, "INTRO,");
4100 if (GvMULTI(sv)) strcat(d, "MULTI,");
4101 if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
4102 if (GvIMPORTED(sv)) {
4103 strcat(d, "IMPORT");
4104 if (GvIMPORTED(sv) == GVf_IMPORTED)
4108 if (GvIMPORTED_SV(sv)) strcat(d, " SV");
4109 if (GvIMPORTED_AV(sv)) strcat(d, " AV");
4110 if (GvIMPORTED_HV(sv)) strcat(d, " HV");
4111 if (GvIMPORTED_CV(sv)) strcat(d, " CV");
4123 PerlIO_printf(Perl_debug_log, "SV = ");
4126 PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
4129 PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
4132 PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
4135 PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
4138 PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
4141 PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
4144 PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
4147 PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
4150 PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
4153 PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
4156 PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
4159 PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
4162 PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
4165 PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
4168 PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
4171 PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
4174 PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
4177 if (type >= SVt_PVIV || type == SVt_IV)
4178 PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
4179 if (type >= SVt_PVNV || type == SVt_NV) {
4180 SET_NUMERIC_STANDARD();
4181 PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
4184 PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
4190 if (type <= SVt_PVLV) {
4192 PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
4193 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
4195 PerlIO_printf(Perl_debug_log, " PV = 0\n");
4197 if (type >= SVt_PVMG) {
4199 PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
4202 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
4206 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
4207 PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
4208 PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
4209 PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
4210 sv_dump(LvTARG(sv));
4213 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
4214 PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
4215 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
4216 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
4217 PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
4218 flags = AvFLAGS(sv);
4221 if (flags & AVf_REAL) strcat(d, "REAL,");
4222 if (flags & AVf_REIFY) strcat(d, "REIFY,");
4223 if (flags & AVf_REUSED) strcat(d, "REUSED,");
4225 d[strlen(d)-1] = '\0';
4226 PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
4229 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
4230 PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
4231 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
4232 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
4233 PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
4234 PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
4236 PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
4238 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
4242 PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
4245 PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
4246 PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
4247 PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
4248 PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
4249 PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
4250 PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
4251 if (CvGV(sv) && GvNAME(CvGV(sv))) {
4252 PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
4254 PerlIO_printf(Perl_debug_log, "\n");
4256 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
4257 PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
4258 PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
4259 PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
4260 if (type == SVt_PVFM)
4261 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
4264 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
4265 PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
4266 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
4267 PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
4268 PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
4269 PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
4270 PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
4271 PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
4272 PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
4273 PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
4274 PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
4275 PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
4276 PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
4277 PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
4278 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
4279 PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
4282 PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
4283 PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
4284 PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
4285 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
4286 PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
4287 PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
4288 PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
4289 PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
4290 PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
4291 PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
4292 PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
4293 PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
4294 PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
4295 PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
4296 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
4297 PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));