3 * Copyright (c) 1991-1994, 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));
336 #ifndef DISABLE_DESTRUCTOR_KLUDGE
337 visit(do_clean_named_objs);
339 visit(do_clean_objs);
346 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
347 SvFLAGS(sv) |= SVf_BREAK;
351 static int in_clean_all = 0;
367 /* Free arenas here, but be careful about fake ones. (We assume
368 contiguity of the fake ones with the corresponding real ones.) */
370 for (sva = sv_arenaroot; sva; sva = svanext) {
371 svanext = (SV*) SvANY(sva);
372 while (svanext && SvFAKE(svanext))
373 svanext = (SV*) SvANY(svanext);
376 Safefree((void *)sva);
387 * See comment in more_xiv() -- RAM.
389 xiv_root = (IV**)*xiv;
390 return (XPVIV*)((char*)xiv - sizeof(XPV));
399 IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
400 *xiv = (IV *)xiv_root;
408 register IV** xivend;
409 XPV* ptr = (XPV*)safemalloc(1008);
410 ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
411 xiv_arenaroot = ptr; /* to keep Purify happy */
414 xivend = &xiv[1008 / sizeof(IV *) - 1];
415 xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
417 while (xiv < xivend) {
418 *xiv = (IV *)(xiv + 1);
431 xnv_root = *(double**)xnv;
432 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
441 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
442 *(double**)xnv = xnv_root;
449 register double* xnv;
450 register double* xnvend;
451 xnv = (double*)safemalloc(1008);
452 xnvend = &xnv[1008 / sizeof(double) - 1];
453 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
455 while (xnv < xnvend) {
456 *(double**)xnv = (double*)(xnv + 1);
469 xrv_root = (XRV*)xrv->xrv_rv;
479 p->xrv_rv = (SV*)xrv_root;
487 register XRV* xrvend;
488 xrv_root = (XRV*)safemalloc(1008);
490 xrvend = &xrv[1008 / sizeof(XRV) - 1];
491 while (xrv < xrvend) {
492 xrv->xrv_rv = (SV*)(xrv + 1);
505 xpv_root = (XPV*)xpv->xpv_pv;
515 p->xpv_pv = (char*)xpv_root;
523 register XPV* xpvend;
524 xpv_root = (XPV*)safemalloc(1008);
526 xpvend = &xpv[1008 / sizeof(XPV) - 1];
527 while (xpv < xpvend) {
528 xpv->xpv_pv = (char*)(xpv + 1);
536 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
537 #define del_XIV(p) free((char*)p)
539 #define new_XIV() (void*)new_xiv()
540 #define del_XIV(p) del_xiv(p)
544 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
545 #define del_XNV(p) free((char*)p)
547 #define new_XNV() (void*)new_xnv()
548 #define del_XNV(p) del_xnv(p)
552 #define new_XRV() (void*)safemalloc(sizeof(XRV))
553 #define del_XRV(p) free((char*)p)
555 #define new_XRV() (void*)new_xrv()
556 #define del_XRV(p) del_xrv(p)
560 #define new_XPV() (void*)safemalloc(sizeof(XPV))
561 #define del_XPV(p) free((char*)p)
563 #define new_XPV() (void*)new_xpv()
564 #define del_XPV(p) del_xpv(p)
567 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
568 #define del_XPVIV(p) free((char*)p)
570 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
571 #define del_XPVNV(p) free((char*)p)
573 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
574 #define del_XPVMG(p) free((char*)p)
576 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
577 #define del_XPVLV(p) free((char*)p)
579 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
580 #define del_XPVAV(p) free((char*)p)
582 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
583 #define del_XPVHV(p) free((char*)p)
585 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
586 #define del_XPVCV(p) free((char*)p)
588 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
589 #define del_XPVGV(p) free((char*)p)
591 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
592 #define del_XPVBM(p) free((char*)p)
594 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
595 #define del_XPVFM(p) free((char*)p)
597 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
598 #define del_XPVIO(p) free((char*)p)
613 if (SvTYPE(sv) == mt)
619 switch (SvTYPE(sv)) {
634 nv = (double)SvIVX(sv);
640 else if (mt < SVt_PVIV)
657 pv = (char*)SvRV(sv);
661 nv = (double)(unsigned long)pv;
677 else if (mt == SVt_NV)
688 del_XPVIV(SvANY(sv));
698 del_XPVNV(SvANY(sv));
708 del_XPVMG(SvANY(sv));
711 croak("Can't upgrade that kind of scalar");
716 croak("Can't upgrade to undef");
718 SvANY(sv) = new_XIV();
722 SvANY(sv) = new_XNV();
726 SvANY(sv) = new_XRV();
730 SvANY(sv) = new_XPV();
736 SvANY(sv) = new_XPVIV();
746 SvANY(sv) = new_XPVNV();
754 SvANY(sv) = new_XPVMG();
764 SvANY(sv) = new_XPVLV();
778 SvANY(sv) = new_XPVAV();
793 SvANY(sv) = new_XPVHV();
809 SvANY(sv) = new_XPVCV();
810 Zero(SvANY(sv), 1, XPVCV);
820 SvANY(sv) = new_XPVGV();
835 SvANY(sv) = new_XPVBM();
848 SvANY(sv) = new_XPVFM();
849 Zero(SvANY(sv), 1, XPVFM);
859 SvANY(sv) = new_XPVIO();
860 Zero(SvANY(sv), 1, XPVIO);
871 SvFLAGS(sv) &= ~SVTYPEMASK;
889 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
893 else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
894 if (sv == &sv_undef) {
895 strcpy(t, "SV_UNDEF");
896 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
897 SVs_GMG|SVs_SMG|SVs_RMG)) &&
901 else if (sv == &sv_no) {
903 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
904 SVs_GMG|SVs_SMG|SVs_RMG)) &&
905 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
913 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
914 SVs_GMG|SVs_SMG|SVs_RMG)) &&
915 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
918 SvPVX(sv) && *SvPVX(sv) == '1' &&
925 else if (SvREFCNT(sv) == 0) {
931 if (t - tokenbuf + unref > 10) {
932 strcpy(tokenbuf + unref + 3,"...");
938 switch (SvTYPE(sv)) {
978 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
1001 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
1003 sprintf(t,"(\"%.127s\")",SvPVX(sv));
1005 else if (SvNOKp(sv)) {
1006 SET_NUMERIC_STANDARD();
1007 sprintf(t,"(%g)",SvNVX(sv));
1009 else if (SvIOKp(sv))
1010 sprintf(t,"(%ld)",(long)SvIVX(sv));
1031 char *s = SvPVX(sv);
1032 SvLEN(sv) += SvIVX(sv);
1033 SvPVX(sv) -= SvIVX(sv);
1035 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
1037 SvFLAGS(sv) &= ~SVf_OOK;
1045 register I32 newlen;
1047 unsigned long newlen;
1052 #ifdef HAS_64K_LIMIT
1053 if (newlen >= 0x10000) {
1054 PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
1057 #endif /* HAS_64K_LIMIT */
1060 if (SvTYPE(sv) < SVt_PV) {
1061 sv_upgrade(sv, SVt_PV);
1064 else if (SvOOK(sv)) { /* pv is offset? */
1067 if (newlen > SvLEN(sv))
1068 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
1072 if (newlen > SvLEN(sv)) { /* need more room? */
1074 Renew(s,newlen,char);
1076 New(703,s,newlen,char);
1078 SvLEN_set(sv, newlen);
1088 if (SvTHINKFIRST(sv)) {
1089 if (SvREADONLY(sv) && curcop != &compiling)
1094 switch (SvTYPE(sv)) {
1096 sv_upgrade(sv, SVt_IV);
1099 sv_upgrade(sv, SVt_PVNV);
1103 sv_upgrade(sv, SVt_PVIV);
1117 croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
1118 op_name[op->op_type]);
1120 (void)SvIOK_only(sv); /* validate number */
1133 sv_setnv(sv, (double)u);
1141 if (SvTHINKFIRST(sv)) {
1142 if (SvREADONLY(sv) && curcop != &compiling)
1147 switch (SvTYPE(sv)) {
1150 sv_upgrade(sv, SVt_NV);
1156 sv_upgrade(sv, SVt_PVNV);
1163 (void)SvOOK_off(sv);
1176 croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
1177 op_name[op->op_type]);
1180 (void)SvNOK_only(sv); /* validate number */
1193 for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
1195 if (ch & 128 && !isPRINT_LC(ch)) {
1204 else if (ch == '\r') {
1208 else if (ch == '\f') {
1212 else if (ch == '\\') {
1216 else if (isPRINT_LC(ch))
1231 warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
1232 op_name[op->op_type]);
1234 warn("Argument \"%s\" isn't numeric", tmpbuf);
1243 if (SvGMAGICAL(sv)) {
1248 if (SvNVX(sv) < 0.0)
1249 return I_V(SvNVX(sv));
1251 return (IV) U_V(SvNVX(sv));
1253 if (SvPOKp(sv) && SvLEN(sv))
1258 if (SvTHINKFIRST(sv)) {
1262 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1263 return SvIV(tmpstr);
1264 #endif /* OVERLOAD */
1265 return (IV)SvRV(sv);
1267 if (SvREADONLY(sv)) {
1269 if (SvNVX(sv) < 0.0)
1270 return I_V(SvNVX(sv));
1272 return (IV) U_V(SvNVX(sv));
1274 if (SvPOKp(sv) && SvLEN(sv))
1281 switch (SvTYPE(sv)) {
1283 sv_upgrade(sv, SVt_IV);
1286 sv_upgrade(sv, SVt_PVIV);
1289 sv_upgrade(sv, SVt_PVNV);
1294 if (SvNVX(sv) < 0.0)
1295 SvIVX(sv) = I_V(SvNVX(sv));
1297 SvUVX(sv) = U_V(SvNVX(sv));
1299 else if (SvPOKp(sv) && SvLEN(sv)) {
1301 SvIVX(sv) = asIV(sv);
1304 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1308 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
1309 (unsigned long)sv,(long)SvIVX(sv)));
1319 if (SvGMAGICAL(sv)) {
1324 return U_V(SvNVX(sv));
1325 if (SvPOKp(sv) && SvLEN(sv))
1330 if (SvTHINKFIRST(sv)) {
1334 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1335 return SvUV(tmpstr);
1336 #endif /* OVERLOAD */
1337 return (UV)SvRV(sv);
1339 if (SvREADONLY(sv)) {
1341 return U_V(SvNVX(sv));
1343 if (SvPOKp(sv) && SvLEN(sv))
1350 switch (SvTYPE(sv)) {
1352 sv_upgrade(sv, SVt_IV);
1355 sv_upgrade(sv, SVt_PVIV);
1358 sv_upgrade(sv, SVt_PVNV);
1363 SvUVX(sv) = U_V(SvNVX(sv));
1365 else if (SvPOKp(sv) && SvLEN(sv)) {
1367 SvUVX(sv) = asUV(sv);
1370 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1374 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
1375 (unsigned long)sv,SvUVX(sv)));
1385 if (SvGMAGICAL(sv)) {
1389 if (SvPOKp(sv) && SvLEN(sv)) {
1390 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1392 SET_NUMERIC_STANDARD();
1393 return atof(SvPVX(sv));
1396 return (double)SvIVX(sv);
1401 if (SvTHINKFIRST(sv)) {
1405 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1406 return SvNV(tmpstr);
1407 #endif /* OVERLOAD */
1408 return (double)(unsigned long)SvRV(sv);
1410 if (SvREADONLY(sv)) {
1411 if (SvPOKp(sv) && SvLEN(sv)) {
1412 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1414 SET_NUMERIC_STANDARD();
1415 return atof(SvPVX(sv));
1418 return (double)SvIVX(sv);
1424 if (SvTYPE(sv) < SVt_NV) {
1425 if (SvTYPE(sv) == SVt_IV)
1426 sv_upgrade(sv, SVt_PVNV);
1428 sv_upgrade(sv, SVt_NV);
1429 DEBUG_c(SET_NUMERIC_STANDARD());
1430 DEBUG_c(PerlIO_printf(Perl_debug_log,
1431 "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1433 else if (SvTYPE(sv) < SVt_PVNV)
1434 sv_upgrade(sv, SVt_PVNV);
1436 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1438 SvNVX(sv) = (double)SvIVX(sv);
1440 else if (SvPOKp(sv) && SvLEN(sv)) {
1441 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1443 SET_NUMERIC_STANDARD();
1444 SvNVX(sv) = atof(SvPVX(sv));
1447 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1452 DEBUG_c(SET_NUMERIC_STANDARD());
1453 DEBUG_c(PerlIO_printf(Perl_debug_log,
1454 "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1462 I32 numtype = looks_like_number(sv);
1466 return atol(SvPVX(sv));
1467 if (!numtype && dowarn)
1469 SET_NUMERIC_STANDARD();
1470 d = atof(SvPVX(sv));
1481 I32 numtype = looks_like_number(sv);
1484 return atol(SvPVX(sv));
1485 if (!numtype && dowarn)
1487 SET_NUMERIC_STANDARD();
1488 return U_V(atof(SvPVX(sv)));
1492 looks_like_number(sv)
1496 register char *send;
1497 register char *sbegin;
1505 else if (SvPOKp(sv))
1506 sbegin = SvPV(sv, len);
1509 send = sbegin + len;
1516 if (*s == '+' || *s == '-')
1526 else if (s == SvPVX(sv))
1532 if (*s == 'e' || *s == 'E') {
1535 if (*s == '+' || *s == '-')
1544 if (len == 10 && memEQ(sbegin, "0 but true", 10))
1561 if (SvGMAGICAL(sv)) {
1568 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1572 SET_NUMERIC_STANDARD();
1573 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1581 if (SvTHINKFIRST(sv)) {
1585 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1586 return SvPV(tmpstr,*lp);
1587 #endif /* OVERLOAD */
1592 switch (SvTYPE(sv)) {
1601 case SVt_PVMG: s = "SCALAR"; break;
1602 case SVt_PVLV: s = "LVALUE"; break;
1603 case SVt_PVAV: s = "ARRAY"; break;
1604 case SVt_PVHV: s = "HASH"; break;
1605 case SVt_PVCV: s = "CODE"; break;
1606 case SVt_PVGV: s = "GLOB"; break;
1607 case SVt_PVFM: s = "FORMATLINE"; break;
1608 case SVt_PVIO: s = "IO"; break;
1609 default: s = "UNKNOWN"; break;
1612 sprintf(tokenbuf, "%s=%s(0x%lx)",
1613 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1615 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1621 if (SvREADONLY(sv)) {
1623 SET_NUMERIC_STANDARD();
1624 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1628 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1637 if (!SvUPGRADE(sv, SVt_PV))
1640 if (SvTYPE(sv) < SVt_PVNV)
1641 sv_upgrade(sv, SVt_PVNV);
1644 olderrno = errno; /* some Xenix systems wipe out errno here */
1646 if (SvNVX(sv) == 0.0)
1647 (void)strcpy(s,"0");
1651 SET_NUMERIC_STANDARD();
1652 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1655 #ifdef FIXNEGATIVEZERO
1656 if (*s == '-' && s[1] == '0' && !s[2])
1665 else if (SvIOKp(sv)) {
1666 if (SvTYPE(sv) < SVt_PVIV)
1667 sv_upgrade(sv, SVt_PVIV);
1670 olderrno = errno; /* some Xenix systems wipe out errno here */
1671 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1676 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1682 *lp = s - SvPVX(sv);
1685 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1689 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1690 /* Sneaky stuff here */
1693 sv = sv_newmortal();
1694 *lp = strlen(tokenbuf);
1695 sv_setpvn(sv, tokenbuf, *lp);
1701 #ifdef FIXNEGATIVEZERO
1702 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1703 strcpy(tokenbuf,"0");
1705 (void)SvUPGRADE(sv, SVt_PV);
1706 len = *lp = strlen(tokenbuf);
1707 s = SvGROW(sv, len + 1);
1709 (void)strcpy(s, tokenbuf);
1715 /* This function is only called on magical items */
1729 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1730 return SvTRUE(tmpsv);
1732 #endif /* OVERLOAD */
1733 return SvRV(sv) != 0;
1737 if ((Xpv = (XPV*)SvANY(sv)) &&
1738 (*Xpv->xpv_pv > '0' ||
1740 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1747 return SvIVX(sv) != 0;
1750 return SvNVX(sv) != 0.0;
1757 /* Note: sv_setsv() should not be called with a source string that needs
1758 * to be reused, since it may destroy the source string if it is marked
1767 register U32 sflags;
1773 if (SvTHINKFIRST(dstr)) {
1774 if (SvREADONLY(dstr) && curcop != &compiling)
1781 stype = SvTYPE(sstr);
1782 dtype = SvTYPE(dstr);
1784 if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
1785 sv_unglob(dstr); /* so fake GLOB won't perpetuate */
1786 sv_setpvn(dstr, "", 0);
1787 (void)SvPOK_only(dstr);
1788 dtype = SvTYPE(dstr);
1793 #endif /* OVERLOAD */
1794 /* There's a lot of redundancy below but we're going for speed here */
1798 (void)SvOK_off(dstr);
1801 if (dtype != SVt_IV && dtype < SVt_PVIV) {
1803 sv_upgrade(dstr, SVt_IV);
1804 else if (dtype == SVt_NV)
1805 sv_upgrade(dstr, SVt_PVNV);
1807 sv_upgrade(dstr, SVt_PVIV);
1811 if (dtype != SVt_NV && dtype < SVt_PVNV) {
1813 sv_upgrade(dstr, SVt_NV);
1815 sv_upgrade(dstr, SVt_PVNV);
1820 sv_upgrade(dstr, SVt_RV);
1821 else if (dtype == SVt_PVGV &&
1822 SvTYPE(SvRV(sstr)) == SVt_PVGV) {
1825 if (curcop->cop_stash != GvSTASH(dstr))
1826 GvIMPORTED_on(dstr);
1835 sv_upgrade(dstr, SVt_PV);
1838 if (dtype < SVt_PVIV)
1839 sv_upgrade(dstr, SVt_PVIV);
1842 if (dtype < SVt_PVNV)
1843 sv_upgrade(dstr, SVt_PVNV);
1847 sv_upgrade(dstr, SVt_PVLV);
1855 croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
1856 op_name[op->op_type]);
1858 croak("Bizarre copy of %s", sv_reftype(sstr, 0));
1862 if (dtype <= SVt_PVGV) {
1864 if (dtype != SVt_PVGV) {
1865 char *name = GvNAME(sstr);
1866 STRLEN len = GvNAMELEN(sstr);
1867 sv_upgrade(dstr, SVt_PVGV);
1868 sv_magic(dstr, dstr, '*', name, len);
1869 GvSTASH(dstr) = GvSTASH(sstr);
1870 GvNAME(dstr) = savepvn(name, len);
1871 GvNAMELEN(dstr) = len;
1872 SvFAKE_on(dstr); /* can coerce to non-glob */
1874 (void)SvOK_off(dstr);
1875 GvINTRO_off(dstr); /* one-shot flag */
1877 GvGP(dstr) = gp_ref(GvGP(sstr));
1879 if (curcop->cop_stash != GvSTASH(dstr))
1880 GvIMPORTED_on(dstr);
1888 sv_upgrade(dstr, stype);
1889 if (SvGMAGICAL(sstr))
1893 sflags = SvFLAGS(sstr);
1895 if (sflags & SVf_ROK) {
1896 if (dtype >= SVt_PV) {
1897 if (dtype == SVt_PVGV) {
1898 SV *sref = SvREFCNT_inc(SvRV(sstr));
1900 int intro = GvINTRO(dstr);
1904 GvGP(dstr)->gp_refcnt--;
1905 GvINTRO_off(dstr); /* one-shot flag */
1906 Newz(602,gp, 1, GP);
1909 GvSV(dstr) = NEWSV(72,0);
1910 GvLINE(dstr) = curcop->cop_line;
1911 GvEGV(dstr) = (GV*)dstr;
1914 switch (SvTYPE(sref)) {
1917 SAVESPTR(GvAV(dstr));
1919 dref = (SV*)GvAV(dstr);
1920 GvAV(dstr) = (AV*)sref;
1921 if (curcop->cop_stash != GvSTASH(dstr))
1922 GvIMPORTED_AV_on(dstr);
1926 SAVESPTR(GvHV(dstr));
1928 dref = (SV*)GvHV(dstr);
1929 GvHV(dstr) = (HV*)sref;
1930 if (curcop->cop_stash != GvSTASH(dstr))
1931 GvIMPORTED_HV_on(dstr);
1935 SAVESPTR(GvCV(dstr));
1937 CV* cv = GvCV(dstr);
1940 if (dowarn && sref != dref &&
1941 !GvCVGEN((GV*)dstr) &&
1942 (CvROOT(cv) || CvXSUB(cv)) )
1943 warn("Subroutine %s redefined",
1944 GvENAME((GV*)dstr));
1948 if (GvCV(dstr) != (CV*)sref) {
1949 GvCV(dstr) = (CV*)sref;
1950 GvASSUMECV_on(dstr);
1952 if (curcop->cop_stash != GvSTASH(dstr))
1953 GvIMPORTED_CV_on(dstr);
1957 SAVESPTR(GvIOp(dstr));
1959 dref = (SV*)GvIOp(dstr);
1960 GvIOp(dstr) = (IO*)sref;
1964 SAVESPTR(GvSV(dstr));
1966 dref = (SV*)GvSV(dstr);
1968 if (curcop->cop_stash != GvSTASH(dstr))
1969 GvIMPORTED_SV_on(dstr);
1980 (void)SvOOK_off(dstr); /* backoff */
1981 Safefree(SvPVX(dstr));
1982 SvLEN(dstr)=SvCUR(dstr)=0;
1985 (void)SvOK_off(dstr);
1986 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
1988 if (sflags & SVp_NOK) {
1990 SvNVX(dstr) = SvNVX(sstr);
1992 if (sflags & SVp_IOK) {
1993 (void)SvIOK_on(dstr);
1994 SvIVX(dstr) = SvIVX(sstr);
1997 if (SvAMAGIC(sstr)) {
2000 #endif /* OVERLOAD */
2002 else if (sflags & SVp_POK) {
2005 * Check to see if we can just swipe the string. If so, it's a
2006 * possible small lose on short strings, but a big win on long ones.
2007 * It might even be a win on short strings if SvPVX(dstr)
2008 * has to be allocated and SvPVX(sstr) has to be freed.
2011 if (SvTEMP(sstr) && /* slated for free anyway? */
2012 !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
2014 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
2016 SvFLAGS(dstr) &= ~SVf_OOK;
2017 Safefree(SvPVX(dstr) - SvIVX(dstr));
2020 Safefree(SvPVX(dstr));
2022 (void)SvPOK_only(dstr);
2023 SvPV_set(dstr, SvPVX(sstr));
2024 SvLEN_set(dstr, SvLEN(sstr));
2025 SvCUR_set(dstr, SvCUR(sstr));
2027 (void)SvOK_off(sstr);
2028 SvPV_set(sstr, Nullch);
2033 else { /* have to copy actual string */
2034 STRLEN len = SvCUR(sstr);
2036 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
2037 Move(SvPVX(sstr),SvPVX(dstr),len,char);
2038 SvCUR_set(dstr, len);
2039 *SvEND(dstr) = '\0';
2040 (void)SvPOK_only(dstr);
2043 if (sflags & SVp_NOK) {
2045 SvNVX(dstr) = SvNVX(sstr);
2047 if (sflags & SVp_IOK) {
2048 (void)SvIOK_on(dstr);
2049 SvIVX(dstr) = SvIVX(sstr);
2052 else if (sflags & SVp_NOK) {
2053 SvNVX(dstr) = SvNVX(sstr);
2054 (void)SvNOK_only(dstr);
2056 (void)SvIOK_on(dstr);
2057 SvIVX(dstr) = SvIVX(sstr);
2060 else if (sflags & SVp_IOK) {
2061 (void)SvIOK_only(dstr);
2062 SvIVX(dstr) = SvIVX(sstr);
2065 (void)SvOK_off(dstr);
2071 sv_setpvn(sv,ptr,len)
2074 register STRLEN len;
2076 assert(len >= 0); /* STRLEN is probably unsigned, so this may
2077 elicit a warning, but it won't hurt. */
2078 if (SvTHINKFIRST(sv)) {
2079 if (SvREADONLY(sv) && curcop != &compiling)
2088 if (SvTYPE(sv) >= SVt_PV) {
2089 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2092 else if (!sv_upgrade(sv, SVt_PV))
2094 SvGROW(sv, len + 1);
2095 Move(ptr,SvPVX(sv),len,char);
2098 (void)SvPOK_only(sv); /* validate pointer */
2107 register STRLEN len;
2109 if (SvTHINKFIRST(sv)) {
2110 if (SvREADONLY(sv) && curcop != &compiling)
2120 if (SvTYPE(sv) >= SVt_PV) {
2121 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2124 else if (!sv_upgrade(sv, SVt_PV))
2126 SvGROW(sv, len + 1);
2127 Move(ptr,SvPVX(sv),len+1,char);
2129 (void)SvPOK_only(sv); /* validate pointer */
2134 sv_usepvn(sv,ptr,len)
2137 register STRLEN len;
2139 if (SvTHINKFIRST(sv)) {
2140 if (SvREADONLY(sv) && curcop != &compiling)
2145 if (!SvUPGRADE(sv, SVt_PV))
2152 Safefree(SvPVX(sv));
2153 Renew(ptr, len+1, char);
2156 SvLEN_set(sv, len+1);
2158 (void)SvPOK_only(sv); /* validate pointer */
2163 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
2167 register STRLEN delta;
2169 if (!ptr || !SvPOKp(sv))
2171 if (SvTHINKFIRST(sv)) {
2172 if (SvREADONLY(sv) && curcop != &compiling)
2177 if (SvTYPE(sv) < SVt_PVIV)
2178 sv_upgrade(sv,SVt_PVIV);
2182 SvFLAGS(sv) |= SVf_OOK;
2184 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
2185 delta = ptr - SvPVX(sv);
2193 sv_catpvn(sv,ptr,len)
2196 register STRLEN len;
2201 junk = SvPV_force(sv, tlen);
2202 SvGROW(sv, tlen + len + 1);
2205 Move(ptr,SvPVX(sv)+tlen,len,char);
2208 (void)SvPOK_only(sv); /* validate pointer */
2221 if (s = SvPV(sstr, len))
2222 sv_catpvn(dstr,s,len);
2230 register STRLEN len;
2236 junk = SvPV_force(sv, tlen);
2238 SvGROW(sv, tlen + len + 1);
2241 Move(ptr,SvPVX(sv)+tlen,len+1,char);
2243 (void)SvPOK_only(sv); /* validate pointer */
2263 sv_upgrade(sv, SVt_PV);
2264 SvGROW(sv, len + 1);
2269 /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
2272 sv_magic(sv, obj, how, name, namlen)
2281 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
2283 if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
2284 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
2291 if (!SvUPGRADE(sv, SVt_PVMG))
2294 Newz(702,mg, 1, MAGIC);
2295 mg->mg_moremagic = SvMAGIC(sv);
2298 if (!obj || obj == sv || how == '#')
2301 mg->mg_obj = SvREFCNT_inc(obj);
2302 mg->mg_flags |= MGf_REFCOUNTED;
2305 mg->mg_len = namlen;
2308 mg->mg_ptr = savepvn(name, namlen);
2309 else if (namlen == HEf_SVKEY)
2310 mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
2314 mg->mg_virtual = &vtbl_sv;
2318 mg->mg_virtual = &vtbl_amagic;
2321 mg->mg_virtual = &vtbl_amagicelem;
2326 #endif /* OVERLOAD */
2328 mg->mg_virtual = &vtbl_bm;
2331 mg->mg_virtual = &vtbl_env;
2334 mg->mg_virtual = &vtbl_fm;
2337 mg->mg_virtual = &vtbl_envelem;
2340 mg->mg_virtual = &vtbl_mglob;
2343 mg->mg_virtual = &vtbl_isa;
2346 mg->mg_virtual = &vtbl_isaelem;
2349 mg->mg_virtual = &vtbl_nkeys;
2356 mg->mg_virtual = &vtbl_dbline;
2358 #ifdef USE_LOCALE_COLLATE
2360 mg->mg_virtual = &vtbl_collxfrm;
2362 #endif /* USE_LOCALE_COLLATE */
2364 mg->mg_virtual = &vtbl_pack;
2368 mg->mg_virtual = &vtbl_packelem;
2371 mg->mg_virtual = &vtbl_sig;
2374 mg->mg_virtual = &vtbl_sigelem;
2377 mg->mg_virtual = &vtbl_taint;
2381 mg->mg_virtual = &vtbl_uvar;
2384 mg->mg_virtual = &vtbl_vec;
2387 mg->mg_virtual = &vtbl_substr;
2390 mg->mg_virtual = &vtbl_glob;
2393 mg->mg_virtual = &vtbl_arylen;
2396 mg->mg_virtual = &vtbl_pos;
2398 case '~': /* Reserved for use by extensions not perl internals. */
2399 /* Useful for attaching extension internal data to perl vars. */
2400 /* Note that multiple extensions may clash if magical scalars */
2401 /* etc holding private data from one are passed to another. */
2405 croak("Don't know how to handle magic of type '%c'", how);
2409 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
2413 sv_unmagic(sv, type)
2419 if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
2422 for (mg = *mgp; mg; mg = *mgp) {
2423 if (mg->mg_type == type) {
2424 MGVTBL* vtbl = mg->mg_virtual;
2425 *mgp = mg->mg_moremagic;
2426 if (vtbl && vtbl->svt_free)
2427 (*vtbl->svt_free)(sv, mg);
2428 if (mg->mg_ptr && mg->mg_type != 'g')
2429 if (mg->mg_len >= 0)
2430 Safefree(mg->mg_ptr);
2431 else if (mg->mg_len == HEf_SVKEY)
2432 SvREFCNT_dec((SV*)mg->mg_ptr);
2433 if (mg->mg_flags & MGf_REFCOUNTED)
2434 SvREFCNT_dec(mg->mg_obj);
2438 mgp = &mg->mg_moremagic;
2442 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
2449 sv_insert(bigstr,offset,len,little,littlelen)
2458 register char *midend;
2459 register char *bigend;
2463 croak("Can't modify non-existent substring");
2464 SvPV_force(bigstr, na);
2466 i = littlelen - len;
2467 if (i > 0) { /* string might grow */
2468 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
2469 mid = big + offset + len;
2470 midend = bigend = big + SvCUR(bigstr);
2473 while (midend > mid) /* shove everything down */
2474 *--bigend = *--midend;
2475 Move(little,big+offset,littlelen,char);
2481 Move(little,SvPVX(bigstr)+offset,len,char);
2486 big = SvPVX(bigstr);
2489 bigend = big + SvCUR(bigstr);
2491 if (midend > bigend)
2492 croak("panic: sv_insert");
2494 if (mid - big > bigend - midend) { /* faster to shorten from end */
2496 Move(little, mid, littlelen,char);
2499 i = bigend - midend;
2501 Move(midend, mid, i,char);
2505 SvCUR_set(bigstr, mid - big);
2508 else if (i = mid - big) { /* faster from front */
2509 midend -= littlelen;
2511 sv_chop(bigstr,midend-i);
2516 Move(little, mid, littlelen,char);
2518 else if (littlelen) {
2519 midend -= littlelen;
2520 sv_chop(bigstr,midend);
2521 Move(little,midend,littlelen,char);
2524 sv_chop(bigstr,midend);
2529 /* make sv point to what nstr did */
2536 U32 refcnt = SvREFCNT(sv);
2537 if (SvTHINKFIRST(sv)) {
2538 if (SvREADONLY(sv) && curcop != &compiling)
2543 if (SvREFCNT(nsv) != 1)
2544 warn("Reference miscount in sv_replace()");
2545 if (SvMAGICAL(sv)) {
2549 sv_upgrade(nsv, SVt_PVMG);
2550 SvMAGIC(nsv) = SvMAGIC(sv);
2551 SvFLAGS(nsv) |= SvMAGICAL(sv);
2557 StructCopy(nsv,sv,SV);
2558 SvREFCNT(sv) = refcnt;
2559 SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
2568 assert(SvREFCNT(sv) == 0);
2574 if (defstash) { /* Still have a symbol table? */
2575 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2578 SAVEFREESV(SvSTASH(sv));
2579 if (destructor && GvCV(destructor)) {
2583 sv_upgrade(&ref, SVt_RV);
2584 SvRV(&ref) = SvREFCNT_inc(sv);
2591 perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
2592 del_XRV(SvANY(&ref));
2598 SvREFCNT_dec(SvSTASH(sv));
2600 SvOBJECT_off(sv); /* Curse the object. */
2601 if (SvTYPE(sv) != SVt_PVIO)
2602 --sv_objcount; /* XXX Might want something more general */
2607 && (ret = perl_get_sv("DB::ret", FALSE))
2608 && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
2609 /* Debugger is prone to dangling references. */
2614 croak("panic: dangling references in DESTROY");
2618 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
2620 switch (SvTYPE(sv)) {
2623 Safefree(IoTOP_NAME(sv));
2624 Safefree(IoFMT_NAME(sv));
2625 Safefree(IoBOTTOM_NAME(sv));
2641 Safefree(GvNAME(sv));
2648 (void)SvOOK_off(sv);
2653 SvREFCNT_dec(SvRV(sv));
2654 else if (SvPVX(sv) && SvLEN(sv))
2655 Safefree(SvPVX(sv));
2665 switch (SvTYPE(sv)) {
2681 del_XPVIV(SvANY(sv));
2684 del_XPVNV(SvANY(sv));
2687 del_XPVMG(SvANY(sv));
2690 del_XPVLV(SvANY(sv));
2693 del_XPVAV(SvANY(sv));
2696 del_XPVHV(SvANY(sv));
2699 del_XPVCV(SvANY(sv));
2702 del_XPVGV(SvANY(sv));
2705 del_XPVBM(SvANY(sv));
2708 del_XPVFM(SvANY(sv));
2711 del_XPVIO(SvANY(sv));
2714 SvFLAGS(sv) &= SVf_BREAK;
2715 SvFLAGS(sv) |= SVTYPEMASK;
2733 if (SvREADONLY(sv)) {
2734 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2737 if (SvREFCNT(sv) == 0) {
2738 if (SvFLAGS(sv) & SVf_BREAK)
2740 if (in_clean_all) /* All is fair */
2742 warn("Attempt to free unreferenced scalar");
2745 if (--SvREFCNT(sv) > 0)
2749 warn("Attempt to free temp prematurely");
2770 junk = SvPV(sv, len);
2789 pv1 = SvPV(str1, cur1);
2794 pv2 = SvPV(str2, cur2);
2799 return memEQ(pv1, pv2, cur1);
2808 char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
2810 char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
2814 return cur2 ? -1 : 0;
2819 retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
2822 return retval < 0 ? -1 : 1;
2827 return cur1 < cur2 ? -1 : 1;
2831 sv_cmp_locale(sv1, sv2)
2835 #ifdef USE_LOCALE_COLLATE
2841 if (collation_standard)
2845 pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
2847 pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
2849 if (!pv1 || !len1) {
2860 retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
2863 return retval < 0 ? -1 : 1;
2866 * When the result of collation is equality, that doesn't mean
2867 * that there are no differences -- some locales exclude some
2868 * characters from consideration. So to avoid false equalities,
2869 * we use the raw string as a tiebreaker.
2875 #endif /* USE_LOCALE_COLLATE */
2877 return sv_cmp(sv1, sv2);
2880 #ifdef USE_LOCALE_COLLATE
2883 sv_collxfrm(sv, nxp)
2887 /* Any scalar variable may carry an 'o' magic that contains the
2888 * scalar data of the variable transformed to such a format that
2889 * a normal memory comparison can be used to compare the data
2890 * according to the locale settings. */
2894 if (SvMAGICAL(sv)) {
2895 mg = mg_find(sv, 'o');
2896 if (mg && *(U32*)mg->mg_ptr != collation_ix)
2905 if ((xf = mem_collxfrm(s, len, &xlen))) {
2906 sv_magic(sv, 0, 'o', 0, 0);
2907 if ((mg = mg_find(sv, 'o'))) {
2916 return mg->mg_ptr + sizeof(collation_ix);
2924 #endif /* USE_LOCALE_COLLATE */
2927 sv_gets(sv,fp,append)
2929 register PerlIO *fp;
2934 register STDCHAR rslast;
2935 register STDCHAR *bp;
2939 if (SvTHINKFIRST(sv)) {
2940 if (SvREADONLY(sv) && curcop != &compiling)
2945 if (!SvUPGRADE(sv, SVt_PV))
2953 else if (RsPARA(rs)) {
2958 rsptr = SvPV(rs, rslen);
2959 rslast = rslen ? rsptr[rslen - 1] : '\0';
2961 if (RsPARA(rs)) { /* have to do this both before and after */
2962 do { /* to make sure file boundaries work right */
2965 i = PerlIO_getc(fp);
2969 PerlIO_ungetc(fp,i);
2975 /* See if we know enough about I/O mechanism to cheat it ! */
2977 /* This used to be #ifdef test - it is made run-time test for ease
2978 of abstracting out stdio interface. One call should be cheap
2979 enough here - and may even be a macro allowing compile
2983 if (PerlIO_fast_gets(fp)) {
2986 * We're going to steal some values from the stdio struct
2987 * and put EVERYTHING in the innermost loop into registers.
2989 register STDCHAR *ptr;
2993 #if defined(VMS) && defined(PERLIO_IS_STDIO)
2994 /* An ungetc()d char is handled separately from the regular
2995 * buffer, so we getc() it back out and stuff it in the buffer.
2997 i = PerlIO_getc(fp);
2998 if (i == EOF) return 0;
2999 *(--((*fp)->_ptr)) = (unsigned char) i;
3003 /* Here is some breathtakingly efficient cheating */
3005 cnt = PerlIO_get_cnt(fp); /* get count into register */
3006 (void)SvPOK_only(sv); /* validate pointer */
3007 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
3008 if (cnt > 80 && SvLEN(sv) > append) {
3009 shortbuffered = cnt - SvLEN(sv) + append + 1;
3010 cnt -= shortbuffered;
3014 /* remember that cnt can be negative */
3015 SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
3020 bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
3021 ptr = (STDCHAR*)PerlIO_get_ptr(fp);
3022 DEBUG_P(PerlIO_printf(Perl_debug_log,
3023 "Screamer: entering, ptr=%d, cnt=%d\n",ptr,cnt));
3024 DEBUG_P(PerlIO_printf(Perl_debug_log,
3025 "Screamer: entering: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3026 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3027 PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0));
3032 while (cnt > 0) { /* this | eat */
3034 if ((*bp++ = *ptr++) == rslast) /* really | dust */
3035 goto thats_all_folks; /* screams | sed :-) */
3039 Copy(ptr, bp, cnt, char); /* this | eat */
3040 bp += cnt; /* screams | dust */
3041 ptr += cnt; /* louder | sed :-) */
3046 if (shortbuffered) { /* oh well, must extend */
3047 cnt = shortbuffered;
3049 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3051 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
3052 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3056 DEBUG_P(PerlIO_printf(Perl_debug_log,
3057 "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,cnt));
3058 PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
3059 DEBUG_P(PerlIO_printf(Perl_debug_log,
3060 "Screamer: pre: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3061 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3062 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3063 /* This used to call 'filbuf' in stdio form, but as that behaves like
3064 getc when cnt <= 0 we use PerlIO_getc here to avoid another
3065 abstraction. This may also avoid issues with different named
3066 'filbuf' equivalents, though Configure tries to handle them now
3069 i = PerlIO_getc(fp); /* get more characters */
3070 DEBUG_P(PerlIO_printf(Perl_debug_log,
3071 "Screamer: post: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3072 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3073 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3074 cnt = PerlIO_get_cnt(fp);
3075 ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
3076 DEBUG_P(PerlIO_printf(Perl_debug_log,
3077 "Screamer: after getc, ptr=%d, cnt=%d\n",ptr,cnt));
3079 if (i == EOF) /* all done for ever? */
3080 goto thats_really_all_folks;
3082 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3084 SvGROW(sv, bpx + cnt + 2);
3085 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3087 *bp++ = i; /* store character from PerlIO_getc */
3089 if (rslen && (STDCHAR)i == rslast) /* all done for now? */
3090 goto thats_all_folks;
3094 if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
3095 memNE((char*)bp - rslen, rsptr, rslen))
3096 goto screamer; /* go back to the fray */
3097 thats_really_all_folks:
3099 cnt += shortbuffered;
3100 DEBUG_P(PerlIO_printf(Perl_debug_log,
3101 "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,cnt));
3102 PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
3103 DEBUG_P(PerlIO_printf(Perl_debug_log,
3104 "Screamer: end: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3105 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3106 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3108 SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
3109 DEBUG_P(PerlIO_printf(Perl_debug_log,
3110 "Screamer: done, len=%d, string=|%.*s|\n",
3111 SvCUR(sv),SvCUR(sv),SvPVX(sv)));
3115 /*The big, slow, and stupid way */
3120 register STDCHAR *bpe = buf + sizeof(buf);
3122 while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
3123 ; /* keep reading */
3127 cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
3128 /* Accomodate broken VAXC compiler, which applies U8 cast to
3129 * both args of ?: operator, causing EOF to change into 255
3131 if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
3135 sv_catpvn(sv, (char *) buf, cnt);
3137 sv_setpvn(sv, (char *) buf, cnt);
3139 if (i != EOF && /* joy */
3141 SvCUR(sv) < rslen ||
3142 memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
3149 if (RsPARA(rs)) { /* have to do this both before and after */
3150 while (i != EOF) { /* to make sure file boundaries work right */
3151 i = PerlIO_getc(fp);
3153 PerlIO_ungetc(fp,i);
3159 return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
3172 if (SvTHINKFIRST(sv)) {
3173 if (SvREADONLY(sv) && curcop != &compiling)
3177 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
3178 #endif /* OVERLOAD */
3184 flags = SvFLAGS(sv);
3185 if (flags & SVp_NOK) {
3186 (void)SvNOK_only(sv);
3190 if (flags & SVp_IOK) {
3191 if (SvIVX(sv) == IV_MAX)
3192 sv_setnv(sv, (double)IV_MAX + 1.0);
3194 (void)SvIOK_only(sv);
3199 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
3200 if ((flags & SVTYPEMASK) < SVt_PVNV)
3201 sv_upgrade(sv, SVt_NV);
3203 (void)SvNOK_only(sv);
3207 while (isALPHA(*d)) d++;
3208 while (isDIGIT(*d)) d++;
3210 SET_NUMERIC_STANDARD();
3211 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
3215 while (d >= SvPVX(sv)) {
3225 *(d--) -= 'z' - 'a' + 1;
3228 /* oh,oh, the number grew */
3229 SvGROW(sv, SvCUR(sv) + 2);
3231 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
3247 if (SvTHINKFIRST(sv)) {
3248 if (SvREADONLY(sv) && curcop != &compiling)
3252 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
3253 #endif /* OVERLOAD */
3259 flags = SvFLAGS(sv);
3260 if (flags & SVp_NOK) {
3262 (void)SvNOK_only(sv);
3265 if (flags & SVp_IOK) {
3266 if (SvIVX(sv) == IV_MIN)
3267 sv_setnv(sv, (double)IV_MIN - 1.0);
3269 (void)SvIOK_only(sv);
3274 if (!(flags & SVp_POK)) {
3275 if ((flags & SVTYPEMASK) < SVt_PVNV)
3276 sv_upgrade(sv, SVt_NV);
3278 (void)SvNOK_only(sv);
3281 SET_NUMERIC_STANDARD();
3282 sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
3285 /* Make a string that will exist for the duration of the expression
3286 * evaluation. Actually, it may have to last longer than that, but
3287 * hopefully we won't free it until it has been assigned to a
3288 * permanent location. */
3293 tmps_max += (tmps_max < 512) ? 128 : 512;
3294 Renew(tmps_stack, tmps_max, SV*);
3298 sv_mortalcopy(oldstr)
3307 sv_setsv(sv,oldstr);
3308 if (++tmps_ix >= tmps_max)
3310 tmps_stack[tmps_ix] = sv;
3323 SvFLAGS(sv) = SVs_TEMP;
3324 if (++tmps_ix >= tmps_max)
3326 tmps_stack[tmps_ix] = sv;
3330 /* same thing without the copying */
3338 if (SvREADONLY(sv) && curcop != &compiling)
3340 if (++tmps_ix >= tmps_max)
3342 tmps_stack[tmps_ix] = sv;
3360 sv_setpvn(sv,s,len);
3402 sv_upgrade(sv, SVt_RV);
3404 SvRV(sv) = SvREFCNT_inc(ref);
3409 /* make an exact duplicate of old */
3419 if (SvTYPE(old) == SVTYPEMASK) {
3420 warn("semi-panic: attempt to dup freed string");
3450 if (!*s) { /* reset ?? searches */
3451 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
3452 pm->op_pmflags &= ~PMf_USED;
3457 /* reset variables */
3459 if (!HvARRAY(stash))
3462 Zero(todo, 256, char);
3469 for ( ; i <= max; i++) {
3472 for (i = 0; i <= (I32) HvMAX(stash); i++) {
3473 for (entry = HvARRAY(stash)[i];
3475 entry = HeNEXT(entry)) {
3476 if (!todo[(U8)*HeKEY(entry)])
3478 gv = (GV*)HeVAL(entry);
3481 if (SvTYPE(sv) >= SVt_PV) {
3484 if (SvPVX(sv) != Nullch)
3491 if (HvNAME(GvHV(gv)))
3494 #ifndef VMS /* VMS has no environ array */
3496 environ[0] = Nullch;
3505 sv_2cv(sv, st, gvp, lref)
3515 return *gvp = Nullgv, Nullcv;
3516 switch (SvTYPE(sv)) {
3536 if (SvTYPE(cv) != SVt_PVCV)
3537 croak("Not a subroutine reference");
3545 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
3551 if (lref && !GvCV(gv)) {
3554 tmpsv = NEWSV(704,0);
3555 gv_efullname3(tmpsv, gv, Nullch);
3556 newSUB(start_subparse(),
3557 newSVOP(OP_CONST, 0, tmpsv),
3562 croak("Unable to create sub named \"%s\"", SvPV(sv,na));
3579 if ((Xpv = (XPV*)SvANY(sv)) &&
3580 (*Xpv->xpv_pv > '0' ||
3582 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
3589 return SvIVX(sv) != 0;
3592 return SvNVX(sv) != 0.0;
3594 return sv_2bool(sv);
3598 #endif /* !SvTRUE */
3643 return sv_2pv(sv, lp);
3648 sv_pvn_force(sv, lp)
3654 if (SvREADONLY(sv) && curcop != &compiling)
3661 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
3662 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
3668 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
3669 op_name[op->op_type]);
3673 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
3678 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
3679 SvGROW(sv, len + 1);
3680 Move(s,SvPVX(sv),len,char);
3685 SvPOK_on(sv); /* validate pointer */
3687 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
3688 (unsigned long)sv,SvPVX(sv)));
3699 if (ob && SvOBJECT(sv))
3700 return HvNAME(SvSTASH(sv));
3702 switch (SvTYPE(sv)) {
3716 case SVt_PVLV: return "LVALUE";
3717 case SVt_PVAV: return "ARRAY";
3718 case SVt_PVHV: return "HASH";
3719 case SVt_PVCV: return "CODE";
3720 case SVt_PVGV: return "GLOB";
3721 case SVt_PVFM: return "FORMLINE";
3722 default: return "UNKNOWN";
3750 return strEQ(HvNAME(SvSTASH(sv)), name);
3754 newSVrv(rv, classname)
3764 sv_upgrade(rv, SVt_RV);
3765 SvRV(rv) = SvREFCNT_inc(sv);
3769 HV* stash = gv_stashpv(classname, TRUE);
3770 (void)sv_bless(rv, stash);
3776 sv_setref_pv(rv, classname, pv)
3782 sv_setsv(rv, &sv_undef);
3784 sv_setiv(newSVrv(rv,classname), (IV)pv);
3789 sv_setref_iv(rv, classname, iv)
3794 sv_setiv(newSVrv(rv,classname), iv);
3799 sv_setref_nv(rv, classname, nv)
3804 sv_setnv(newSVrv(rv,classname), nv);
3809 sv_setref_pvn(rv, classname, pv, n)
3815 sv_setpvn(newSVrv(rv,classname), pv, n);
3826 croak("Can't bless non-reference value");
3828 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3829 if (SvREADONLY(ref))
3831 if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
3836 (void)SvUPGRADE(ref, SVt_PVMG);
3837 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3841 if (Gv_AMG(stash)) {
3844 #endif /* OVERLOAD */
3853 assert(SvTYPE(sv) == SVt_PVGV);
3857 sv_unmagic(sv, '*');
3858 Safefree(GvNAME(sv));
3860 SvFLAGS(sv) &= ~SVTYPEMASK;
3861 SvFLAGS(sv) |= SVt_PVMG;
3872 if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
3875 sv_2mortal(rv); /* Schedule for freeing later */
3885 switch (SvTYPE(sv)) {
3893 croak("Bad filehandle: %s", GvNAME(gv));
3897 croak(no_usym, "filehandle");
3899 return sv_2io(SvRV(sv));
3900 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
3906 croak("Bad filehandle: %s", SvPV(sv,na));
3916 sv_magic((sv), Nullsv, 't', Nullch, 0);
3923 if (SvMAGICAL(sv)) {
3924 MAGIC *mg = mg_find(sv, 't');
3934 if (SvMAGICAL(sv)) {
3935 MAGIC *mg = mg_find(sv, 't');
3936 if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
3953 PerlIO_printf(Perl_debug_log, "SV = 0\n");
3957 flags = SvFLAGS(sv);
3960 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
3961 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
3963 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
3964 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
3965 if (flags & SVs_PADMY) strcat(d, "PADMY,");
3966 if (flags & SVs_TEMP) strcat(d, "TEMP,");
3967 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
3968 if (flags & SVs_GMG) strcat(d, "GMG,");
3969 if (flags & SVs_SMG) strcat(d, "SMG,");
3970 if (flags & SVs_RMG) strcat(d, "RMG,");
3973 if (flags & SVf_IOK) strcat(d, "IOK,");
3974 if (flags & SVf_NOK) strcat(d, "NOK,");
3975 if (flags & SVf_POK) strcat(d, "POK,");
3976 if (flags & SVf_ROK) strcat(d, "ROK,");
3977 if (flags & SVf_OOK) strcat(d, "OOK,");
3978 if (flags & SVf_FAKE) strcat(d, "FAKE,");
3979 if (flags & SVf_READONLY) strcat(d, "READONLY,");
3983 if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
3984 #endif /* OVERLOAD */
3985 if (flags & SVp_IOK) strcat(d, "pIOK,");
3986 if (flags & SVp_NOK) strcat(d, "pNOK,");
3987 if (flags & SVp_POK) strcat(d, "pPOK,");
3988 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
3992 if (CvANON(sv)) strcat(d, "ANON,");
3993 if (CvCLONE(sv)) strcat(d, "CLONE,");
3994 if (CvCLONED(sv)) strcat(d, "CLONED,");
3997 if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
3998 if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
4001 if (GvINTRO(sv)) strcat(d, "INTRO,");
4002 if (GvMULTI(sv)) strcat(d, "MULTI,");
4003 if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
4004 if (GvIMPORTED(sv)) {
4005 strcat(d, "IMPORT");
4006 if (GvIMPORTED(sv) == GVf_IMPORTED)
4010 if (GvIMPORTED_SV(sv)) strcat(d, " SV");
4011 if (GvIMPORTED_AV(sv)) strcat(d, " AV");
4012 if (GvIMPORTED_HV(sv)) strcat(d, " HV");
4013 if (GvIMPORTED_CV(sv)) strcat(d, " CV");
4018 if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,");
4019 #endif /* OVERLOAD */
4028 PerlIO_printf(Perl_debug_log, "SV = ");
4031 PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
4034 PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
4037 PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
4040 PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
4043 PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
4046 PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
4049 PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
4052 PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
4055 PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
4058 PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
4061 PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
4064 PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
4067 PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
4070 PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
4073 PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
4076 PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
4079 PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
4082 if (type >= SVt_PVIV || type == SVt_IV)
4083 PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
4084 if (type >= SVt_PVNV || type == SVt_NV) {
4085 SET_NUMERIC_STANDARD();
4086 PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
4089 PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
4095 if (type <= SVt_PVLV) {
4097 PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
4098 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
4100 PerlIO_printf(Perl_debug_log, " PV = 0\n");
4102 if (type >= SVt_PVMG) {
4104 PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
4107 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
4111 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
4112 PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
4113 PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
4114 PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
4115 sv_dump(LvTARG(sv));
4118 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
4119 PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
4120 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
4121 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
4122 PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
4123 flags = AvFLAGS(sv);
4126 if (flags & AVf_REAL) strcat(d, "REAL,");
4127 if (flags & AVf_REIFY) strcat(d, "REIFY,");
4128 if (flags & AVf_REUSED) strcat(d, "REUSED,");
4130 d[strlen(d)-1] = '\0';
4131 PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
4134 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
4135 PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
4136 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
4137 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
4138 PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
4139 PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
4141 PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
4143 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
4148 PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
4149 PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
4150 PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
4151 PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
4152 PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
4153 PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
4154 PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
4155 if (CvGV(sv) && GvNAME(CvGV(sv))) {
4156 PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
4158 PerlIO_printf(Perl_debug_log, "\n");
4160 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
4161 PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
4162 PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
4163 PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
4164 if (type == SVt_PVFM)
4165 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
4168 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
4169 PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
4170 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
4171 PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
4172 PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
4173 PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
4174 PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
4175 PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
4176 PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
4177 PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
4178 PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
4179 PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
4180 PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
4181 PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
4182 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
4183 PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
4186 PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
4187 PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
4188 PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
4189 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
4190 PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
4191 PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
4192 PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
4193 PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
4194 PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
4195 PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
4196 PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
4197 PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
4198 PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
4199 PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
4200 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
4201 PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));