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));
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 */
1200 for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
1202 if (ch & 128 && !isPRINT_LC(ch)) {
1211 else if (ch == '\r') {
1215 else if (ch == '\f') {
1219 else if (ch == '\\') {
1223 else if (isPRINT_LC(ch))
1238 warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
1239 op_name[op->op_type]);
1241 warn("Argument \"%s\" isn't numeric", tmpbuf);
1250 if (SvGMAGICAL(sv)) {
1255 if (SvNVX(sv) < 0.0)
1256 return I_V(SvNVX(sv));
1258 return (IV) U_V(SvNVX(sv));
1260 if (SvPOKp(sv) && SvLEN(sv))
1265 if (SvTHINKFIRST(sv)) {
1269 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1270 return SvIV(tmpstr);
1271 #endif /* OVERLOAD */
1272 return (IV)SvRV(sv);
1274 if (SvREADONLY(sv)) {
1276 if (SvNVX(sv) < 0.0)
1277 return I_V(SvNVX(sv));
1279 return (IV) U_V(SvNVX(sv));
1281 if (SvPOKp(sv) && SvLEN(sv))
1288 switch (SvTYPE(sv)) {
1290 sv_upgrade(sv, SVt_IV);
1293 sv_upgrade(sv, SVt_PVIV);
1296 sv_upgrade(sv, SVt_PVNV);
1301 if (SvNVX(sv) < 0.0)
1302 SvIVX(sv) = I_V(SvNVX(sv));
1304 SvUVX(sv) = U_V(SvNVX(sv));
1306 else if (SvPOKp(sv) && SvLEN(sv)) {
1308 SvIVX(sv) = asIV(sv);
1311 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1315 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
1316 (unsigned long)sv,(long)SvIVX(sv)));
1326 if (SvGMAGICAL(sv)) {
1331 return U_V(SvNVX(sv));
1332 if (SvPOKp(sv) && SvLEN(sv))
1337 if (SvTHINKFIRST(sv)) {
1341 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1342 return SvUV(tmpstr);
1343 #endif /* OVERLOAD */
1344 return (UV)SvRV(sv);
1346 if (SvREADONLY(sv)) {
1348 return U_V(SvNVX(sv));
1350 if (SvPOKp(sv) && SvLEN(sv))
1357 switch (SvTYPE(sv)) {
1359 sv_upgrade(sv, SVt_IV);
1362 sv_upgrade(sv, SVt_PVIV);
1365 sv_upgrade(sv, SVt_PVNV);
1370 SvUVX(sv) = U_V(SvNVX(sv));
1372 else if (SvPOKp(sv) && SvLEN(sv)) {
1374 SvUVX(sv) = asUV(sv);
1377 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1381 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
1382 (unsigned long)sv,SvUVX(sv)));
1392 if (SvGMAGICAL(sv)) {
1396 if (SvPOKp(sv) && SvLEN(sv)) {
1397 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1399 SET_NUMERIC_STANDARD();
1400 return atof(SvPVX(sv));
1403 return (double)SvIVX(sv);
1408 if (SvTHINKFIRST(sv)) {
1412 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1413 return SvNV(tmpstr);
1414 #endif /* OVERLOAD */
1415 return (double)(unsigned long)SvRV(sv);
1417 if (SvREADONLY(sv)) {
1418 if (SvPOKp(sv) && SvLEN(sv)) {
1419 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1421 SET_NUMERIC_STANDARD();
1422 return atof(SvPVX(sv));
1425 return (double)SvIVX(sv);
1431 if (SvTYPE(sv) < SVt_NV) {
1432 if (SvTYPE(sv) == SVt_IV)
1433 sv_upgrade(sv, SVt_PVNV);
1435 sv_upgrade(sv, SVt_NV);
1436 DEBUG_c(SET_NUMERIC_STANDARD());
1437 DEBUG_c(PerlIO_printf(Perl_debug_log,
1438 "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1440 else if (SvTYPE(sv) < SVt_PVNV)
1441 sv_upgrade(sv, SVt_PVNV);
1443 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1445 SvNVX(sv) = (double)SvIVX(sv);
1447 else if (SvPOKp(sv) && SvLEN(sv)) {
1448 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1450 SET_NUMERIC_STANDARD();
1451 SvNVX(sv) = atof(SvPVX(sv));
1454 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1459 DEBUG_c(SET_NUMERIC_STANDARD());
1460 DEBUG_c(PerlIO_printf(Perl_debug_log,
1461 "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1469 I32 numtype = looks_like_number(sv);
1473 return atol(SvPVX(sv));
1474 if (!numtype && dowarn)
1476 SET_NUMERIC_STANDARD();
1477 d = atof(SvPVX(sv));
1488 I32 numtype = looks_like_number(sv);
1491 return atol(SvPVX(sv));
1492 if (!numtype && dowarn)
1494 SET_NUMERIC_STANDARD();
1495 return U_V(atof(SvPVX(sv)));
1499 looks_like_number(sv)
1503 register char *send;
1504 register char *sbegin;
1512 else if (SvPOKp(sv))
1513 sbegin = SvPV(sv, len);
1516 send = sbegin + len;
1523 if (*s == '+' || *s == '-')
1533 else if (s == SvPVX(sv))
1539 if (*s == 'e' || *s == 'E') {
1542 if (*s == '+' || *s == '-')
1551 if (len == 10 && memEQ(sbegin, "0 but true", 10))
1568 if (SvGMAGICAL(sv)) {
1575 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1579 SET_NUMERIC_STANDARD();
1580 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1588 if (SvTHINKFIRST(sv)) {
1592 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1593 return SvPV(tmpstr,*lp);
1594 #endif /* OVERLOAD */
1599 switch (SvTYPE(sv)) {
1608 case SVt_PVMG: s = "SCALAR"; break;
1609 case SVt_PVLV: s = "LVALUE"; break;
1610 case SVt_PVAV: s = "ARRAY"; break;
1611 case SVt_PVHV: s = "HASH"; break;
1612 case SVt_PVCV: s = "CODE"; break;
1613 case SVt_PVGV: s = "GLOB"; break;
1614 case SVt_PVFM: s = "FORMATLINE"; break;
1615 case SVt_PVIO: s = "IO"; break;
1616 default: s = "UNKNOWN"; break;
1619 sprintf(tokenbuf, "%s=%s(0x%lx)",
1620 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1622 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1628 if (SvREADONLY(sv)) {
1630 SET_NUMERIC_STANDARD();
1631 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1635 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1644 if (!SvUPGRADE(sv, SVt_PV))
1647 if (SvTYPE(sv) < SVt_PVNV)
1648 sv_upgrade(sv, SVt_PVNV);
1651 olderrno = errno; /* some Xenix systems wipe out errno here */
1653 if (SvNVX(sv) == 0.0)
1654 (void)strcpy(s,"0");
1658 SET_NUMERIC_STANDARD();
1659 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1662 #ifdef FIXNEGATIVEZERO
1663 if (*s == '-' && s[1] == '0' && !s[2])
1672 else if (SvIOKp(sv)) {
1673 if (SvTYPE(sv) < SVt_PVIV)
1674 sv_upgrade(sv, SVt_PVIV);
1677 olderrno = errno; /* some Xenix systems wipe out errno here */
1678 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1683 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1689 *lp = s - SvPVX(sv);
1692 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1696 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1697 /* Sneaky stuff here */
1700 sv = sv_newmortal();
1701 *lp = strlen(tokenbuf);
1702 sv_setpvn(sv, tokenbuf, *lp);
1708 #ifdef FIXNEGATIVEZERO
1709 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1710 strcpy(tokenbuf,"0");
1712 (void)SvUPGRADE(sv, SVt_PV);
1713 len = *lp = strlen(tokenbuf);
1714 s = SvGROW(sv, len + 1);
1716 (void)strcpy(s, tokenbuf);
1722 /* This function is only called on magical items */
1736 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1737 return SvTRUE(tmpsv);
1739 #endif /* OVERLOAD */
1740 return SvRV(sv) != 0;
1744 if ((Xpv = (XPV*)SvANY(sv)) &&
1745 (*Xpv->xpv_pv > '0' ||
1747 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1754 return SvIVX(sv) != 0;
1757 return SvNVX(sv) != 0.0;
1764 /* Note: sv_setsv() should not be called with a source string that needs
1765 * to be reused, since it may destroy the source string if it is marked
1774 register U32 sflags;
1780 if (SvTHINKFIRST(dstr)) {
1781 if (SvREADONLY(dstr) && curcop != &compiling)
1788 stype = SvTYPE(sstr);
1789 dtype = SvTYPE(dstr);
1791 if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
1792 sv_unglob(dstr); /* so fake GLOB won't perpetuate */
1793 sv_setpvn(dstr, "", 0);
1794 (void)SvPOK_only(dstr);
1795 dtype = SvTYPE(dstr);
1800 #endif /* OVERLOAD */
1801 /* There's a lot of redundancy below but we're going for speed here */
1805 (void)SvOK_off(dstr);
1808 if (dtype != SVt_IV && dtype < SVt_PVIV) {
1810 sv_upgrade(dstr, SVt_IV);
1811 else if (dtype == SVt_NV)
1812 sv_upgrade(dstr, SVt_PVNV);
1814 sv_upgrade(dstr, SVt_PVIV);
1818 if (dtype != SVt_NV && dtype < SVt_PVNV) {
1820 sv_upgrade(dstr, SVt_NV);
1822 sv_upgrade(dstr, SVt_PVNV);
1827 sv_upgrade(dstr, SVt_RV);
1828 else if (dtype == SVt_PVGV &&
1829 SvTYPE(SvRV(sstr)) == SVt_PVGV) {
1832 if (curcop->cop_stash != GvSTASH(dstr))
1833 GvIMPORTED_on(dstr);
1842 sv_upgrade(dstr, SVt_PV);
1845 if (dtype < SVt_PVIV)
1846 sv_upgrade(dstr, SVt_PVIV);
1849 if (dtype < SVt_PVNV)
1850 sv_upgrade(dstr, SVt_PVNV);
1854 sv_upgrade(dstr, SVt_PVLV);
1862 croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
1863 op_name[op->op_type]);
1865 croak("Bizarre copy of %s", sv_reftype(sstr, 0));
1869 if (dtype <= SVt_PVGV) {
1871 if (dtype != SVt_PVGV) {
1872 char *name = GvNAME(sstr);
1873 STRLEN len = GvNAMELEN(sstr);
1874 sv_upgrade(dstr, SVt_PVGV);
1875 sv_magic(dstr, dstr, '*', name, len);
1876 GvSTASH(dstr) = GvSTASH(sstr);
1877 GvNAME(dstr) = savepvn(name, len);
1878 GvNAMELEN(dstr) = len;
1879 SvFAKE_on(dstr); /* can coerce to non-glob */
1881 (void)SvOK_off(dstr);
1882 GvINTRO_off(dstr); /* one-shot flag */
1884 GvGP(dstr) = gp_ref(GvGP(sstr));
1886 if (curcop->cop_stash != GvSTASH(dstr))
1887 GvIMPORTED_on(dstr);
1895 sv_upgrade(dstr, stype);
1896 if (SvGMAGICAL(sstr))
1900 sflags = SvFLAGS(sstr);
1902 if (sflags & SVf_ROK) {
1903 if (dtype >= SVt_PV) {
1904 if (dtype == SVt_PVGV) {
1905 SV *sref = SvREFCNT_inc(SvRV(sstr));
1907 int intro = GvINTRO(dstr);
1911 GvGP(dstr)->gp_refcnt--;
1912 GvINTRO_off(dstr); /* one-shot flag */
1913 Newz(602,gp, 1, GP);
1914 GvGP(dstr) = gp_ref(gp);
1915 GvSV(dstr) = NEWSV(72,0);
1916 GvLINE(dstr) = curcop->cop_line;
1917 GvEGV(dstr) = (GV*)dstr;
1920 switch (SvTYPE(sref)) {
1923 SAVESPTR(GvAV(dstr));
1925 dref = (SV*)GvAV(dstr);
1926 GvAV(dstr) = (AV*)sref;
1927 if (curcop->cop_stash != GvSTASH(dstr))
1928 GvIMPORTED_AV_on(dstr);
1932 SAVESPTR(GvHV(dstr));
1934 dref = (SV*)GvHV(dstr);
1935 GvHV(dstr) = (HV*)sref;
1936 if (curcop->cop_stash != GvSTASH(dstr))
1937 GvIMPORTED_HV_on(dstr);
1941 if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
1942 SvREFCNT_dec(GvCV(dstr));
1943 GvCV(dstr) = Nullcv;
1946 SAVESPTR(GvCV(dstr));
1949 CV* cv = GvCV(dstr);
1952 if (dowarn && sref != dref &&
1953 !GvCVGEN((GV*)dstr) &&
1954 (CvROOT(cv) || CvXSUB(cv)) )
1955 warn("Subroutine %s redefined",
1956 GvENAME((GV*)dstr));
1959 if (GvCV(dstr) != (CV*)sref) {
1960 GvCV(dstr) = (CV*)sref;
1961 GvCVGEN(dstr) = 0; /* Switch off cacheness. */
1962 GvASSUMECV_on(dstr);
1965 if (curcop->cop_stash != GvSTASH(dstr))
1966 GvIMPORTED_CV_on(dstr);
1970 SAVESPTR(GvIOp(dstr));
1972 dref = (SV*)GvIOp(dstr);
1973 GvIOp(dstr) = (IO*)sref;
1977 SAVESPTR(GvSV(dstr));
1979 dref = (SV*)GvSV(dstr);
1981 if (curcop->cop_stash != GvSTASH(dstr))
1982 GvIMPORTED_SV_on(dstr);
1993 (void)SvOOK_off(dstr); /* backoff */
1994 Safefree(SvPVX(dstr));
1995 SvLEN(dstr)=SvCUR(dstr)=0;
1998 (void)SvOK_off(dstr);
1999 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
2001 if (sflags & SVp_NOK) {
2003 SvNVX(dstr) = SvNVX(sstr);
2005 if (sflags & SVp_IOK) {
2006 (void)SvIOK_on(dstr);
2007 SvIVX(dstr) = SvIVX(sstr);
2010 if (SvAMAGIC(sstr)) {
2013 #endif /* OVERLOAD */
2015 else if (sflags & SVp_POK) {
2018 * Check to see if we can just swipe the string. If so, it's a
2019 * possible small lose on short strings, but a big win on long ones.
2020 * It might even be a win on short strings if SvPVX(dstr)
2021 * has to be allocated and SvPVX(sstr) has to be freed.
2024 if (SvTEMP(sstr) && /* slated for free anyway? */
2025 !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
2027 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
2029 SvFLAGS(dstr) &= ~SVf_OOK;
2030 Safefree(SvPVX(dstr) - SvIVX(dstr));
2033 Safefree(SvPVX(dstr));
2035 (void)SvPOK_only(dstr);
2036 SvPV_set(dstr, SvPVX(sstr));
2037 SvLEN_set(dstr, SvLEN(sstr));
2038 SvCUR_set(dstr, SvCUR(sstr));
2040 (void)SvOK_off(sstr);
2041 SvPV_set(sstr, Nullch);
2046 else { /* have to copy actual string */
2047 STRLEN len = SvCUR(sstr);
2049 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
2050 Move(SvPVX(sstr),SvPVX(dstr),len,char);
2051 SvCUR_set(dstr, len);
2052 *SvEND(dstr) = '\0';
2053 (void)SvPOK_only(dstr);
2056 if (sflags & SVp_NOK) {
2058 SvNVX(dstr) = SvNVX(sstr);
2060 if (sflags & SVp_IOK) {
2061 (void)SvIOK_on(dstr);
2062 SvIVX(dstr) = SvIVX(sstr);
2065 else if (sflags & SVp_NOK) {
2066 SvNVX(dstr) = SvNVX(sstr);
2067 (void)SvNOK_only(dstr);
2069 (void)SvIOK_on(dstr);
2070 SvIVX(dstr) = SvIVX(sstr);
2073 else if (sflags & SVp_IOK) {
2074 (void)SvIOK_only(dstr);
2075 SvIVX(dstr) = SvIVX(sstr);
2078 (void)SvOK_off(dstr);
2084 sv_setpvn(sv,ptr,len)
2086 register const char *ptr;
2087 register STRLEN len;
2089 assert(len >= 0); /* STRLEN is probably unsigned, so this may
2090 elicit a warning, but it won't hurt. */
2091 if (SvTHINKFIRST(sv)) {
2092 if (SvREADONLY(sv) && curcop != &compiling)
2101 if (SvTYPE(sv) >= SVt_PV) {
2102 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2105 else if (!sv_upgrade(sv, SVt_PV))
2107 SvGROW(sv, len + 1);
2108 Move(ptr,SvPVX(sv),len,char);
2111 (void)SvPOK_only(sv); /* validate pointer */
2118 register const char *ptr;
2120 register STRLEN len;
2122 if (SvTHINKFIRST(sv)) {
2123 if (SvREADONLY(sv) && curcop != &compiling)
2133 if (SvTYPE(sv) >= SVt_PV) {
2134 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2137 else if (!sv_upgrade(sv, SVt_PV))
2139 SvGROW(sv, len + 1);
2140 Move(ptr,SvPVX(sv),len+1,char);
2142 (void)SvPOK_only(sv); /* validate pointer */
2147 sv_usepvn(sv,ptr,len)
2150 register STRLEN len;
2152 if (SvTHINKFIRST(sv)) {
2153 if (SvREADONLY(sv) && curcop != &compiling)
2158 if (!SvUPGRADE(sv, SVt_PV))
2165 Safefree(SvPVX(sv));
2166 Renew(ptr, len+1, char);
2169 SvLEN_set(sv, len+1);
2171 (void)SvPOK_only(sv); /* validate pointer */
2176 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
2180 register STRLEN delta;
2182 if (!ptr || !SvPOKp(sv))
2184 if (SvTHINKFIRST(sv)) {
2185 if (SvREADONLY(sv) && curcop != &compiling)
2190 if (SvTYPE(sv) < SVt_PVIV)
2191 sv_upgrade(sv,SVt_PVIV);
2195 SvFLAGS(sv) |= SVf_OOK;
2197 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
2198 delta = ptr - SvPVX(sv);
2206 sv_catpvn(sv,ptr,len)
2209 register STRLEN len;
2214 junk = SvPV_force(sv, tlen);
2215 SvGROW(sv, tlen + len + 1);
2218 Move(ptr,SvPVX(sv)+tlen,len,char);
2221 (void)SvPOK_only(sv); /* validate pointer */
2234 if (s = SvPV(sstr, len))
2235 sv_catpvn(dstr,s,len);
2243 register STRLEN len;
2249 junk = SvPV_force(sv, tlen);
2251 SvGROW(sv, tlen + len + 1);
2254 Move(ptr,SvPVX(sv)+tlen,len+1,char);
2256 (void)SvPOK_only(sv); /* validate pointer */
2276 sv_upgrade(sv, SVt_PV);
2277 SvGROW(sv, len + 1);
2282 /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
2285 sv_magic(sv, obj, how, name, namlen)
2294 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
2296 if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
2297 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
2304 if (!SvUPGRADE(sv, SVt_PVMG))
2307 Newz(702,mg, 1, MAGIC);
2308 mg->mg_moremagic = SvMAGIC(sv);
2311 if (!obj || obj == sv || how == '#')
2314 mg->mg_obj = SvREFCNT_inc(obj);
2315 mg->mg_flags |= MGf_REFCOUNTED;
2318 mg->mg_len = namlen;
2321 mg->mg_ptr = savepvn(name, namlen);
2322 else if (namlen == HEf_SVKEY)
2323 mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
2327 mg->mg_virtual = &vtbl_sv;
2331 mg->mg_virtual = &vtbl_amagic;
2334 mg->mg_virtual = &vtbl_amagicelem;
2339 #endif /* OVERLOAD */
2341 mg->mg_virtual = &vtbl_bm;
2344 mg->mg_virtual = &vtbl_env;
2347 mg->mg_virtual = &vtbl_fm;
2350 mg->mg_virtual = &vtbl_envelem;
2353 mg->mg_virtual = &vtbl_mglob;
2356 mg->mg_virtual = &vtbl_isa;
2359 mg->mg_virtual = &vtbl_isaelem;
2362 mg->mg_virtual = &vtbl_nkeys;
2369 mg->mg_virtual = &vtbl_dbline;
2371 #ifdef USE_LOCALE_COLLATE
2373 mg->mg_virtual = &vtbl_collxfrm;
2375 #endif /* USE_LOCALE_COLLATE */
2377 mg->mg_virtual = &vtbl_pack;
2381 mg->mg_virtual = &vtbl_packelem;
2384 mg->mg_virtual = &vtbl_sig;
2387 mg->mg_virtual = &vtbl_sigelem;
2390 mg->mg_virtual = &vtbl_taint;
2394 mg->mg_virtual = &vtbl_uvar;
2397 mg->mg_virtual = &vtbl_vec;
2400 mg->mg_virtual = &vtbl_substr;
2403 mg->mg_virtual = &vtbl_itervar;
2406 mg->mg_virtual = &vtbl_glob;
2409 mg->mg_virtual = &vtbl_arylen;
2412 mg->mg_virtual = &vtbl_pos;
2414 case '~': /* Reserved for use by extensions not perl internals. */
2415 /* Useful for attaching extension internal data to perl vars. */
2416 /* Note that multiple extensions may clash if magical scalars */
2417 /* etc holding private data from one are passed to another. */
2421 croak("Don't know how to handle magic of type '%c'", how);
2425 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
2429 sv_unmagic(sv, type)
2435 if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
2438 for (mg = *mgp; mg; mg = *mgp) {
2439 if (mg->mg_type == type) {
2440 MGVTBL* vtbl = mg->mg_virtual;
2441 *mgp = mg->mg_moremagic;
2442 if (vtbl && vtbl->svt_free)
2443 (*vtbl->svt_free)(sv, mg);
2444 if (mg->mg_ptr && mg->mg_type != 'g')
2445 if (mg->mg_len >= 0)
2446 Safefree(mg->mg_ptr);
2447 else if (mg->mg_len == HEf_SVKEY)
2448 SvREFCNT_dec((SV*)mg->mg_ptr);
2449 if (mg->mg_flags & MGf_REFCOUNTED)
2450 SvREFCNT_dec(mg->mg_obj);
2454 mgp = &mg->mg_moremagic;
2458 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
2465 sv_insert(bigstr,offset,len,little,littlelen)
2474 register char *midend;
2475 register char *bigend;
2479 croak("Can't modify non-existent substring");
2480 SvPV_force(bigstr, na);
2482 i = littlelen - len;
2483 if (i > 0) { /* string might grow */
2484 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
2485 mid = big + offset + len;
2486 midend = bigend = big + SvCUR(bigstr);
2489 while (midend > mid) /* shove everything down */
2490 *--bigend = *--midend;
2491 Move(little,big+offset,littlelen,char);
2497 Move(little,SvPVX(bigstr)+offset,len,char);
2502 big = SvPVX(bigstr);
2505 bigend = big + SvCUR(bigstr);
2507 if (midend > bigend)
2508 croak("panic: sv_insert");
2510 if (mid - big > bigend - midend) { /* faster to shorten from end */
2512 Move(little, mid, littlelen,char);
2515 i = bigend - midend;
2517 Move(midend, mid, i,char);
2521 SvCUR_set(bigstr, mid - big);
2524 else if (i = mid - big) { /* faster from front */
2525 midend -= littlelen;
2527 sv_chop(bigstr,midend-i);
2532 Move(little, mid, littlelen,char);
2534 else if (littlelen) {
2535 midend -= littlelen;
2536 sv_chop(bigstr,midend);
2537 Move(little,midend,littlelen,char);
2540 sv_chop(bigstr,midend);
2545 /* make sv point to what nstr did */
2552 U32 refcnt = SvREFCNT(sv);
2553 if (SvTHINKFIRST(sv)) {
2554 if (SvREADONLY(sv) && curcop != &compiling)
2559 if (SvREFCNT(nsv) != 1)
2560 warn("Reference miscount in sv_replace()");
2561 if (SvMAGICAL(sv)) {
2565 sv_upgrade(nsv, SVt_PVMG);
2566 SvMAGIC(nsv) = SvMAGIC(sv);
2567 SvFLAGS(nsv) |= SvMAGICAL(sv);
2573 assert(!SvREFCNT(sv));
2574 StructCopy(nsv,sv,SV);
2575 SvREFCNT(sv) = refcnt;
2576 SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
2585 assert(SvREFCNT(sv) == 0);
2588 if (defstash) { /* Still have a symbol table? */
2593 SAVEFREESV(SvSTASH(sv));
2595 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2600 sv_upgrade(&ref, SVt_RV);
2601 SvRV(&ref) = SvREFCNT_inc(sv);
2608 perl_call_sv((SV*)GvCV(destructor),
2609 G_DISCARD|G_EVAL|G_KEEPERR);
2610 del_XRV(SvANY(&ref));
2617 SvREFCNT_dec(SvSTASH(sv));
2619 SvOBJECT_off(sv); /* Curse the object. */
2620 if (SvTYPE(sv) != SVt_PVIO)
2621 --sv_objcount; /* XXX Might want something more general */
2626 && (ret = perl_get_sv("DB::ret", FALSE))
2627 && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
2628 /* Debugger is prone to dangling references. */
2635 croak("DESTROY created new reference to dead object");
2636 /* DESTROY gave object new lease on life */
2641 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
2643 switch (SvTYPE(sv)) {
2645 if (IoIFP(sv) != PerlIO_stdin() &&
2646 IoIFP(sv) != PerlIO_stdout() &&
2647 IoIFP(sv) != PerlIO_stderr())
2649 Safefree(IoTOP_NAME(sv));
2650 Safefree(IoFMT_NAME(sv));
2651 Safefree(IoBOTTOM_NAME(sv));
2667 Safefree(GvNAME(sv));
2674 (void)SvOOK_off(sv);
2679 SvREFCNT_dec(SvRV(sv));
2680 else if (SvPVX(sv) && SvLEN(sv))
2681 Safefree(SvPVX(sv));
2691 switch (SvTYPE(sv)) {
2707 del_XPVIV(SvANY(sv));
2710 del_XPVNV(SvANY(sv));
2713 del_XPVMG(SvANY(sv));
2716 del_XPVLV(SvANY(sv));
2719 del_XPVAV(SvANY(sv));
2722 del_XPVHV(SvANY(sv));
2725 del_XPVCV(SvANY(sv));
2728 del_XPVGV(SvANY(sv));
2731 del_XPVBM(SvANY(sv));
2734 del_XPVFM(SvANY(sv));
2737 del_XPVIO(SvANY(sv));
2740 SvFLAGS(sv) &= SVf_BREAK;
2741 SvFLAGS(sv) |= SVTYPEMASK;
2759 if (SvREADONLY(sv)) {
2760 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2763 if (SvREFCNT(sv) == 0) {
2764 if (SvFLAGS(sv) & SVf_BREAK)
2766 if (in_clean_all) /* All is fair */
2768 warn("Attempt to free unreferenced scalar");
2771 if (--SvREFCNT(sv) > 0)
2775 warn("Attempt to free temp prematurely");
2797 junk = SvPV(sv, len);
2816 pv1 = SvPV(str1, cur1);
2821 pv2 = SvPV(str2, cur2);
2826 return memEQ(pv1, pv2, cur1);
2835 char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
2837 char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
2841 return cur2 ? -1 : 0;
2846 retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
2849 return retval < 0 ? -1 : 1;
2854 return cur1 < cur2 ? -1 : 1;
2858 sv_cmp_locale(sv1, sv2)
2862 #ifdef USE_LOCALE_COLLATE
2868 if (collation_standard)
2872 pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
2874 pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
2876 if (!pv1 || !len1) {
2887 retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
2890 return retval < 0 ? -1 : 1;
2893 * When the result of collation is equality, that doesn't mean
2894 * that there are no differences -- some locales exclude some
2895 * characters from consideration. So to avoid false equalities,
2896 * we use the raw string as a tiebreaker.
2902 #endif /* USE_LOCALE_COLLATE */
2904 return sv_cmp(sv1, sv2);
2907 #ifdef USE_LOCALE_COLLATE
2909 * Any scalar variable may carry an 'o' magic that contains the
2910 * scalar data of the variable transformed to such a format that
2911 * a normal memory comparison can be used to compare the data
2912 * according to the locale settings.
2915 sv_collxfrm(sv, nxp)
2921 mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL;
2922 if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) {
2927 Safefree(mg->mg_ptr);
2929 if ((xf = mem_collxfrm(s, len, &xlen))) {
2931 sv_magic(sv, 0, 'o', 0, 0);
2932 mg = mg_find(sv, 'o');
2943 if (mg && mg->mg_ptr) {
2945 return mg->mg_ptr + sizeof(collation_ix);
2953 #endif /* USE_LOCALE_COLLATE */
2956 sv_gets(sv,fp,append)
2958 register PerlIO *fp;
2963 register STDCHAR rslast;
2964 register STDCHAR *bp;
2968 if (SvTHINKFIRST(sv)) {
2969 if (SvREADONLY(sv) && curcop != &compiling)
2974 if (!SvUPGRADE(sv, SVt_PV))
2982 else if (RsPARA(rs)) {
2987 rsptr = SvPV(rs, rslen);
2988 rslast = rslen ? rsptr[rslen - 1] : '\0';
2990 if (RsPARA(rs)) { /* have to do this both before and after */
2991 do { /* to make sure file boundaries work right */
2994 i = PerlIO_getc(fp);
2998 PerlIO_ungetc(fp,i);
3004 /* See if we know enough about I/O mechanism to cheat it ! */
3006 /* This used to be #ifdef test - it is made run-time test for ease
3007 of abstracting out stdio interface. One call should be cheap
3008 enough here - and may even be a macro allowing compile
3012 if (PerlIO_fast_gets(fp)) {
3015 * We're going to steal some values from the stdio struct
3016 * and put EVERYTHING in the innermost loop into registers.
3018 register STDCHAR *ptr;
3022 #if defined(VMS) && defined(PERLIO_IS_STDIO)
3023 /* An ungetc()d char is handled separately from the regular
3024 * buffer, so we getc() it back out and stuff it in the buffer.
3026 i = PerlIO_getc(fp);
3027 if (i == EOF) return 0;
3028 *(--((*fp)->_ptr)) = (unsigned char) i;
3032 /* Here is some breathtakingly efficient cheating */
3034 cnt = PerlIO_get_cnt(fp); /* get count into register */
3035 (void)SvPOK_only(sv); /* validate pointer */
3036 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
3037 if (cnt > 80 && SvLEN(sv) > append) {
3038 shortbuffered = cnt - SvLEN(sv) + append + 1;
3039 cnt -= shortbuffered;
3043 /* remember that cnt can be negative */
3044 SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
3049 bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
3050 ptr = (STDCHAR*)PerlIO_get_ptr(fp);
3051 DEBUG_P(PerlIO_printf(Perl_debug_log,
3052 "Screamer: entering, ptr=%d, cnt=%d\n",ptr,cnt));
3053 DEBUG_P(PerlIO_printf(Perl_debug_log,
3054 "Screamer: entering: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3055 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3056 PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0));
3061 while (cnt > 0) { /* this | eat */
3063 if ((*bp++ = *ptr++) == rslast) /* really | dust */
3064 goto thats_all_folks; /* screams | sed :-) */
3068 Copy(ptr, bp, cnt, char); /* this | eat */
3069 bp += cnt; /* screams | dust */
3070 ptr += cnt; /* louder | sed :-) */
3075 if (shortbuffered) { /* oh well, must extend */
3076 cnt = shortbuffered;
3078 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3080 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
3081 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3085 DEBUG_P(PerlIO_printf(Perl_debug_log,
3086 "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,cnt));
3087 PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
3088 DEBUG_P(PerlIO_printf(Perl_debug_log,
3089 "Screamer: pre: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3090 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3091 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3092 /* This used to call 'filbuf' in stdio form, but as that behaves like
3093 getc when cnt <= 0 we use PerlIO_getc here to avoid introducing
3094 another abstraction. */
3095 i = PerlIO_getc(fp); /* get more characters */
3096 DEBUG_P(PerlIO_printf(Perl_debug_log,
3097 "Screamer: post: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3098 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3099 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3100 cnt = PerlIO_get_cnt(fp);
3101 ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
3102 DEBUG_P(PerlIO_printf(Perl_debug_log,
3103 "Screamer: after getc, ptr=%d, cnt=%d\n",ptr,cnt));
3105 if (i == EOF) /* all done for ever? */
3106 goto thats_really_all_folks;
3108 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3110 SvGROW(sv, bpx + cnt + 2);
3111 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3113 *bp++ = i; /* store character from PerlIO_getc */
3115 if (rslen && (STDCHAR)i == rslast) /* all done for now? */
3116 goto thats_all_folks;
3120 if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
3121 memNE((char*)bp - rslen, rsptr, rslen))
3122 goto screamer; /* go back to the fray */
3123 thats_really_all_folks:
3125 cnt += shortbuffered;
3126 DEBUG_P(PerlIO_printf(Perl_debug_log,
3127 "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,cnt));
3128 PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
3129 DEBUG_P(PerlIO_printf(Perl_debug_log,
3130 "Screamer: end: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3131 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3132 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3134 SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
3135 DEBUG_P(PerlIO_printf(Perl_debug_log,
3136 "Screamer: done, len=%d, string=|%.*s|\n",
3137 SvCUR(sv),SvCUR(sv),SvPVX(sv)));
3141 /*The big, slow, and stupid way */
3146 register STDCHAR *bpe = buf + sizeof(buf);
3148 while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
3149 ; /* keep reading */
3153 cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
3154 /* Accomodate broken VAXC compiler, which applies U8 cast to
3155 * both args of ?: operator, causing EOF to change into 255
3157 if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
3161 sv_catpvn(sv, (char *) buf, cnt);
3163 sv_setpvn(sv, (char *) buf, cnt);
3165 if (i != EOF && /* joy */
3167 SvCUR(sv) < rslen ||
3168 memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
3175 if (RsPARA(rs)) { /* have to do this both before and after */
3176 while (i != EOF) { /* to make sure file boundaries work right */
3177 i = PerlIO_getc(fp);
3179 PerlIO_ungetc(fp,i);
3185 return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
3198 if (SvTHINKFIRST(sv)) {
3199 if (SvREADONLY(sv) && curcop != &compiling)
3203 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
3204 #endif /* OVERLOAD */
3210 flags = SvFLAGS(sv);
3211 if (flags & SVp_NOK) {
3212 (void)SvNOK_only(sv);
3216 if (flags & SVp_IOK) {
3217 if (SvIVX(sv) == IV_MAX)
3218 sv_setnv(sv, (double)IV_MAX + 1.0);
3220 (void)SvIOK_only(sv);
3225 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
3226 if ((flags & SVTYPEMASK) < SVt_PVNV)
3227 sv_upgrade(sv, SVt_NV);
3229 (void)SvNOK_only(sv);
3233 while (isALPHA(*d)) d++;
3234 while (isDIGIT(*d)) d++;
3236 SET_NUMERIC_STANDARD();
3237 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
3241 while (d >= SvPVX(sv)) {
3251 *(d--) -= 'z' - 'a' + 1;
3254 /* oh,oh, the number grew */
3255 SvGROW(sv, SvCUR(sv) + 2);
3257 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
3273 if (SvTHINKFIRST(sv)) {
3274 if (SvREADONLY(sv) && curcop != &compiling)
3278 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
3279 #endif /* OVERLOAD */
3285 flags = SvFLAGS(sv);
3286 if (flags & SVp_NOK) {
3288 (void)SvNOK_only(sv);
3291 if (flags & SVp_IOK) {
3292 if (SvIVX(sv) == IV_MIN)
3293 sv_setnv(sv, (double)IV_MIN - 1.0);
3295 (void)SvIOK_only(sv);
3300 if (!(flags & SVp_POK)) {
3301 if ((flags & SVTYPEMASK) < SVt_PVNV)
3302 sv_upgrade(sv, SVt_NV);
3304 (void)SvNOK_only(sv);
3307 SET_NUMERIC_STANDARD();
3308 sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
3311 /* Make a string that will exist for the duration of the expression
3312 * evaluation. Actually, it may have to last longer than that, but
3313 * hopefully we won't free it until it has been assigned to a
3314 * permanent location. */
3319 tmps_max += (tmps_max < 512) ? 128 : 512;
3320 Renew(tmps_stack, tmps_max, SV*);
3324 sv_mortalcopy(oldstr)
3333 sv_setsv(sv,oldstr);
3334 if (++tmps_ix >= tmps_max)
3336 tmps_stack[tmps_ix] = sv;
3349 SvFLAGS(sv) = SVs_TEMP;
3350 if (++tmps_ix >= tmps_max)
3352 tmps_stack[tmps_ix] = sv;
3356 /* same thing without the copying */
3364 if (SvREADONLY(sv) && curcop != &compiling)
3366 if (++tmps_ix >= tmps_max)
3368 tmps_stack[tmps_ix] = sv;
3386 sv_setpvn(sv,s,len);
3428 sv_upgrade(sv, SVt_RV);
3430 SvRV(sv) = SvREFCNT_inc(ref);
3446 #endif /* CRIPPLED_CC */
3448 /* make an exact duplicate of old */
3458 if (SvTYPE(old) == SVTYPEMASK) {
3459 warn("semi-panic: attempt to dup freed string");
3489 if (!*s) { /* reset ?? searches */
3490 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
3491 pm->op_pmflags &= ~PMf_USED;
3496 /* reset variables */
3498 if (!HvARRAY(stash))
3501 Zero(todo, 256, char);
3508 for ( ; i <= max; i++) {
3511 for (i = 0; i <= (I32) HvMAX(stash); i++) {
3512 for (entry = HvARRAY(stash)[i];
3514 entry = HeNEXT(entry)) {
3515 if (!todo[(U8)*HeKEY(entry)])
3517 gv = (GV*)HeVAL(entry);
3520 if (SvTYPE(sv) >= SVt_PV) {
3522 if (SvPVX(sv) != Nullch)
3529 if (GvHV(gv) && !HvNAME(GvHV(gv))) {
3531 #ifndef VMS /* VMS has no environ array */
3533 environ[0] = Nullch;
3542 sv_2cv(sv, st, gvp, lref)
3552 return *gvp = Nullgv, Nullcv;
3553 switch (SvTYPE(sv)) {
3573 if (SvTYPE(cv) != SVt_PVCV)
3574 croak("Not a subroutine reference");
3582 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
3588 if (lref && !GvCVu(gv)) {
3591 tmpsv = NEWSV(704,0);
3592 gv_efullname3(tmpsv, gv, Nullch);
3593 newSUB(start_subparse(FALSE, 0),
3594 newSVOP(OP_CONST, 0, tmpsv),
3599 croak("Unable to create sub named \"%s\"", SvPV(sv,na));
3616 if ((Xpv = (XPV*)SvANY(sv)) &&
3617 (*Xpv->xpv_pv > '0' ||
3619 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
3626 return SvIVX(sv) != 0;
3629 return SvNVX(sv) != 0.0;
3631 return sv_2bool(sv);
3635 #endif /* !SvTRUE */
3680 return sv_2pv(sv, lp);
3685 sv_pvn_force(sv, lp)
3691 if (SvREADONLY(sv) && curcop != &compiling)
3698 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
3699 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
3705 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
3706 op_name[op->op_type]);
3710 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
3715 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
3716 SvGROW(sv, len + 1);
3717 Move(s,SvPVX(sv),len,char);
3722 SvPOK_on(sv); /* validate pointer */
3724 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
3725 (unsigned long)sv,SvPVX(sv)));
3736 if (ob && SvOBJECT(sv))
3737 return HvNAME(SvSTASH(sv));
3739 switch (SvTYPE(sv)) {
3753 case SVt_PVLV: return "LVALUE";
3754 case SVt_PVAV: return "ARRAY";
3755 case SVt_PVHV: return "HASH";
3756 case SVt_PVCV: return "CODE";
3757 case SVt_PVGV: return "GLOB";
3758 case SVt_PVFM: return "FORMLINE";
3759 default: return "UNKNOWN";
3787 return strEQ(HvNAME(SvSTASH(sv)), name);
3791 newSVrv(rv, classname)
3801 sv_upgrade(rv, SVt_RV);
3802 SvRV(rv) = SvREFCNT_inc(sv);
3806 HV* stash = gv_stashpv(classname, TRUE);
3807 (void)sv_bless(rv, stash);
3813 sv_setref_pv(rv, classname, pv)
3819 sv_setsv(rv, &sv_undef);
3821 sv_setiv(newSVrv(rv,classname), (IV)pv);
3826 sv_setref_iv(rv, classname, iv)
3831 sv_setiv(newSVrv(rv,classname), iv);
3836 sv_setref_nv(rv, classname, nv)
3841 sv_setnv(newSVrv(rv,classname), nv);
3846 sv_setref_pvn(rv, classname, pv, n)
3852 sv_setpvn(newSVrv(rv,classname), pv, n);
3863 croak("Can't bless non-reference value");
3865 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3866 if (SvREADONLY(ref))
3868 if (SvOBJECT(ref)) {
3869 if (SvTYPE(ref) != SVt_PVIO)
3871 SvREFCNT_dec(SvSTASH(ref));
3875 if (SvTYPE(ref) != SVt_PVIO)
3877 (void)SvUPGRADE(ref, SVt_PVMG);
3878 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3885 #endif /* OVERLOAD */
3894 assert(SvTYPE(sv) == SVt_PVGV);
3898 sv_unmagic(sv, '*');
3899 Safefree(GvNAME(sv));
3901 SvFLAGS(sv) &= ~SVTYPEMASK;
3902 SvFLAGS(sv) |= SVt_PVMG;
3913 if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
3916 sv_2mortal(rv); /* Schedule for freeing later */
3926 switch (SvTYPE(sv)) {
3934 croak("Bad filehandle: %s", GvNAME(gv));
3938 croak(no_usym, "filehandle");
3940 return sv_2io(SvRV(sv));
3941 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
3947 croak("Bad filehandle: %s", SvPV(sv,na));
3957 sv_magic((sv), Nullsv, 't', Nullch, 0);
3964 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
3965 MAGIC *mg = mg_find(sv, 't');
3975 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
3976 MAGIC *mg = mg_find(sv, 't');
3977 if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
3994 PerlIO_printf(Perl_debug_log, "SV = 0\n");
3998 flags = SvFLAGS(sv);
4001 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
4002 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
4004 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
4005 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
4006 if (flags & SVs_PADMY) strcat(d, "PADMY,");
4007 if (flags & SVs_TEMP) strcat(d, "TEMP,");
4008 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
4009 if (flags & SVs_GMG) strcat(d, "GMG,");
4010 if (flags & SVs_SMG) strcat(d, "SMG,");
4011 if (flags & SVs_RMG) strcat(d, "RMG,");
4014 if (flags & SVf_IOK) strcat(d, "IOK,");
4015 if (flags & SVf_NOK) strcat(d, "NOK,");
4016 if (flags & SVf_POK) strcat(d, "POK,");
4017 if (flags & SVf_ROK) strcat(d, "ROK,");
4018 if (flags & SVf_OOK) strcat(d, "OOK,");
4019 if (flags & SVf_FAKE) strcat(d, "FAKE,");
4020 if (flags & SVf_READONLY) strcat(d, "READONLY,");
4024 if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
4025 #endif /* OVERLOAD */
4026 if (flags & SVp_IOK) strcat(d, "pIOK,");
4027 if (flags & SVp_NOK) strcat(d, "pNOK,");
4028 if (flags & SVp_POK) strcat(d, "pPOK,");
4029 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
4034 if (CvANON(sv)) strcat(d, "ANON,");
4035 if (CvUNIQUE(sv)) strcat(d, "UNIQUE,");
4036 if (CvCLONE(sv)) strcat(d, "CLONE,");
4037 if (CvCLONED(sv)) strcat(d, "CLONED,");
4038 if (CvNODEBUG(sv)) strcat(d, "NODEBUG,");
4041 if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
4042 if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
4045 if (GvINTRO(sv)) strcat(d, "INTRO,");
4046 if (GvMULTI(sv)) strcat(d, "MULTI,");
4047 if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
4048 if (GvIMPORTED(sv)) {
4049 strcat(d, "IMPORT");
4050 if (GvIMPORTED(sv) == GVf_IMPORTED)
4054 if (GvIMPORTED_SV(sv)) strcat(d, " SV");
4055 if (GvIMPORTED_AV(sv)) strcat(d, " AV");
4056 if (GvIMPORTED_HV(sv)) strcat(d, " HV");
4057 if (GvIMPORTED_CV(sv)) strcat(d, " CV");
4069 PerlIO_printf(Perl_debug_log, "SV = ");
4072 PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
4075 PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
4078 PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
4081 PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
4084 PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
4087 PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
4090 PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
4093 PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
4096 PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
4099 PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
4102 PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
4105 PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
4108 PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
4111 PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
4114 PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
4117 PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
4120 PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
4123 if (type >= SVt_PVIV || type == SVt_IV)
4124 PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
4125 if (type >= SVt_PVNV || type == SVt_NV) {
4126 SET_NUMERIC_STANDARD();
4127 PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
4130 PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
4136 if (type <= SVt_PVLV) {
4138 PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
4139 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
4141 PerlIO_printf(Perl_debug_log, " PV = 0\n");
4143 if (type >= SVt_PVMG) {
4145 PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
4148 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
4152 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
4153 PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
4154 PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
4155 PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
4156 sv_dump(LvTARG(sv));
4159 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
4160 PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
4161 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
4162 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
4163 PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
4164 flags = AvFLAGS(sv);
4167 if (flags & AVf_REAL) strcat(d, "REAL,");
4168 if (flags & AVf_REIFY) strcat(d, "REIFY,");
4169 if (flags & AVf_REUSED) strcat(d, "REUSED,");
4171 d[strlen(d)-1] = '\0';
4172 PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
4175 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
4176 PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
4177 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
4178 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
4179 PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
4180 PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
4182 PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
4184 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
4188 PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
4191 PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
4192 PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
4193 PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
4194 PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
4195 PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
4196 PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
4197 if (CvGV(sv) && GvNAME(CvGV(sv))) {
4198 PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
4200 PerlIO_printf(Perl_debug_log, "\n");
4202 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
4203 PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
4204 PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
4205 PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
4206 if (type == SVt_PVFM)
4207 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
4210 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
4211 PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
4212 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
4213 PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
4214 PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
4215 PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
4216 PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
4217 PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
4218 PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
4219 PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
4220 PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
4221 PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
4222 PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
4223 PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
4224 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
4225 PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
4228 PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
4229 PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
4230 PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
4231 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
4232 PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
4233 PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
4234 PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
4235 PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
4236 PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
4237 PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
4238 PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
4239 PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
4240 PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
4241 PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
4242 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
4243 PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));