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 SV *more_sv _((void));
44 static XPVIV *more_xiv _((void));
45 static XPVNV *more_xnv _((void));
46 static XPV *more_xpv _((void));
47 static XRV *more_xrv _((void));
48 static XPVIV *new_xiv _((void));
49 static XPVNV *new_xnv _((void));
50 static XPV *new_xpv _((void));
51 static XRV *new_xrv _((void));
52 static void del_xiv _((XPVIV* p));
53 static void del_xnv _((XPVNV* p));
54 static void del_xpv _((XPV* p));
55 static void del_xrv _((XRV* p));
56 static void sv_mortalgrow _((void));
57 static void sv_unglob _((SV* sv));
59 typedef void (*SVFUNC) _((SV*));
65 (p) = (SV*)safemalloc(sizeof(SV)); \
78 #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
80 #define REG_REPLACE(sv,a,b) \
82 void* p = sv->sv_any; \
83 I32 h = REGHASH(sv, regsize); \
85 while (registry[i] != (a)) { \
89 die("SV registry bug"); \
94 #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv)
95 #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv)
101 if (sv_count >= (regsize >> 1))
103 SV **oldreg = registry;
104 I32 oldsize = regsize;
106 regsize = regsize ? ((regsize << 2) + 1) : 2037;
107 registry = (SV**)safemalloc(regsize * sizeof(SV*));
108 memzero(registry, regsize * sizeof(SV*));
113 for (i = 0; i < oldsize; ++i) {
114 SV* oldsv = oldreg[i];
140 for (i = 0; i < regsize; ++i) {
141 SV* sv = registry[i];
148 sv_add_arena(ptr, size, flags)
153 if (!(flags & SVf_FAKE))
160 * "A time to plant, and a time to uproot what was planted..."
163 #define plant_SV(p) \
165 SvANY(p) = (void *)sv_root; \
166 SvFLAGS(p) = SVTYPEMASK; \
171 #define uproot_SV(p) \
174 sv_root = (SV*)SvANY(p); \
201 for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
203 svend = &sva[SvREFCNT(sva)];
204 if (p >= sv && p < svend)
208 warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
215 #else /* ! DEBUGGING */
217 #define del_SV(p) plant_SV(p)
219 #endif /* DEBUGGING */
222 sv_add_arena(ptr, size, flags)
230 Zero(sva, size, char);
232 /* The first SV in an arena isn't an SV. */
233 SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */
234 SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */
235 SvFLAGS(sva) = flags; /* FAKE if not to be freed */
240 svend = &sva[SvREFCNT(sva) - 1];
243 SvANY(sv) = (void *)(SV*)(sv + 1);
244 SvFLAGS(sv) = SVTYPEMASK;
248 SvFLAGS(sv) = SVTYPEMASK;
257 sv_add_arena(nice_chunk, nice_chunk_size, 0);
261 char *chunk; /* must use New here to match call to */
262 New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
263 sv_add_arena(chunk, 1008, 0);
277 for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
278 svend = &sva[SvREFCNT(sva)];
279 for (sv = sva + 1; sv < svend; ++sv) {
280 if (SvTYPE(sv) != SVTYPEMASK)
292 if (SvTYPE(sv) != SVTYPEMASK) {
293 /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
294 PerlIO_printf(PerlIO_stderr(), "****\n");
302 visit(do_report_used);
311 if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
312 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
318 /* XXX Might want to check arrays, etc. */
321 #ifndef DISABLE_DESTRUCTOR_KLUDGE
323 do_clean_named_objs(sv)
326 if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
327 do_clean_objs(GvSV(sv));
334 #ifndef DISABLE_DESTRUCTOR_KLUDGE
335 visit(do_clean_named_objs);
337 visit(do_clean_objs);
344 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
345 SvFLAGS(sv) |= SVf_BREAK;
349 static int in_clean_all = 0;
365 /* Free arenas here, but be careful about fake ones. (We assume
366 contiguity of the fake ones with the corresponding real ones.) */
368 for (sva = sv_arenaroot; sva; sva = svanext) {
369 svanext = (SV*) SvANY(sva);
370 while (svanext && SvFAKE(svanext))
371 svanext = (SV*) SvANY(svanext);
374 Safefree((void *)sva);
385 * See comment in more_xiv() -- RAM.
387 xiv_root = (IV**)*xiv;
388 return (XPVIV*)((char*)xiv - sizeof(XPV));
397 IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
398 *xiv = (IV *)xiv_root;
406 register IV** xivend;
407 XPV* ptr = (XPV*)safemalloc(1008);
408 ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
409 xiv_arenaroot = ptr; /* to keep Purify happy */
412 xivend = &xiv[1008 / sizeof(IV *) - 1];
413 xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
415 while (xiv < xivend) {
416 *xiv = (IV *)(xiv + 1);
429 xnv_root = *(double**)xnv;
430 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
439 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
440 *(double**)xnv = xnv_root;
447 register double* xnv;
448 register double* xnvend;
449 xnv = (double*)safemalloc(1008);
450 xnvend = &xnv[1008 / sizeof(double) - 1];
451 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
453 while (xnv < xnvend) {
454 *(double**)xnv = (double*)(xnv + 1);
467 xrv_root = (XRV*)xrv->xrv_rv;
477 p->xrv_rv = (SV*)xrv_root;
485 register XRV* xrvend;
486 xrv_root = (XRV*)safemalloc(1008);
488 xrvend = &xrv[1008 / sizeof(XRV) - 1];
489 while (xrv < xrvend) {
490 xrv->xrv_rv = (SV*)(xrv + 1);
503 xpv_root = (XPV*)xpv->xpv_pv;
513 p->xpv_pv = (char*)xpv_root;
521 register XPV* xpvend;
522 xpv_root = (XPV*)safemalloc(1008);
524 xpvend = &xpv[1008 / sizeof(XPV) - 1];
525 while (xpv < xpvend) {
526 xpv->xpv_pv = (char*)(xpv + 1);
534 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
535 #define del_XIV(p) free((char*)p)
537 #define new_XIV() (void*)new_xiv()
538 #define del_XIV(p) del_xiv(p)
542 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
543 #define del_XNV(p) free((char*)p)
545 #define new_XNV() (void*)new_xnv()
546 #define del_XNV(p) del_xnv(p)
550 #define new_XRV() (void*)safemalloc(sizeof(XRV))
551 #define del_XRV(p) free((char*)p)
553 #define new_XRV() (void*)new_xrv()
554 #define del_XRV(p) del_xrv(p)
558 #define new_XPV() (void*)safemalloc(sizeof(XPV))
559 #define del_XPV(p) free((char*)p)
561 #define new_XPV() (void*)new_xpv()
562 #define del_XPV(p) del_xpv(p)
565 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
566 #define del_XPVIV(p) free((char*)p)
568 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
569 #define del_XPVNV(p) free((char*)p)
571 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
572 #define del_XPVMG(p) free((char*)p)
574 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
575 #define del_XPVLV(p) free((char*)p)
577 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
578 #define del_XPVAV(p) free((char*)p)
580 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
581 #define del_XPVHV(p) free((char*)p)
583 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
584 #define del_XPVCV(p) free((char*)p)
586 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
587 #define del_XPVGV(p) free((char*)p)
589 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
590 #define del_XPVBM(p) free((char*)p)
592 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
593 #define del_XPVFM(p) free((char*)p)
595 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
596 #define del_XPVIO(p) free((char*)p)
611 if (SvTYPE(sv) == mt)
617 switch (SvTYPE(sv)) {
632 nv = (double)SvIVX(sv);
638 else if (mt < SVt_PVIV)
655 pv = (char*)SvRV(sv);
659 nv = (double)(unsigned long)pv;
675 else if (mt == SVt_NV)
686 del_XPVIV(SvANY(sv));
696 del_XPVNV(SvANY(sv));
706 del_XPVMG(SvANY(sv));
709 croak("Can't upgrade that kind of scalar");
714 croak("Can't upgrade to undef");
716 SvANY(sv) = new_XIV();
720 SvANY(sv) = new_XNV();
724 SvANY(sv) = new_XRV();
728 SvANY(sv) = new_XPV();
734 SvANY(sv) = new_XPVIV();
744 SvANY(sv) = new_XPVNV();
752 SvANY(sv) = new_XPVMG();
762 SvANY(sv) = new_XPVLV();
776 SvANY(sv) = new_XPVAV();
791 SvANY(sv) = new_XPVHV();
807 SvANY(sv) = new_XPVCV();
808 Zero(SvANY(sv), 1, XPVCV);
818 SvANY(sv) = new_XPVGV();
833 SvANY(sv) = new_XPVBM();
846 SvANY(sv) = new_XPVFM();
847 Zero(SvANY(sv), 1, XPVFM);
857 SvANY(sv) = new_XPVIO();
858 Zero(SvANY(sv), 1, XPVIO);
869 SvFLAGS(sv) &= ~SVTYPEMASK;
887 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
891 else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
892 if (sv == &sv_undef) {
893 strcpy(t, "SV_UNDEF");
894 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
895 SVs_GMG|SVs_SMG|SVs_RMG)) &&
899 else if (sv == &sv_no) {
901 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
902 SVs_GMG|SVs_SMG|SVs_RMG)) &&
903 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
911 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
912 SVs_GMG|SVs_SMG|SVs_RMG)) &&
913 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
916 SvPVX(sv) && *SvPVX(sv) == '1' &&
923 else if (SvREFCNT(sv) == 0) {
929 if (t - tokenbuf + unref > 10) {
930 strcpy(tokenbuf + unref + 3,"...");
936 switch (SvTYPE(sv)) {
976 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
999 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
1001 sprintf(t,"(\"%.127s\")",SvPVX(sv));
1003 else if (SvNOKp(sv)) {
1005 sprintf(t,"(%g)",SvNVX(sv));
1007 else if (SvIOKp(sv))
1008 sprintf(t,"(%ld)",(long)SvIVX(sv));
1029 char *s = SvPVX(sv);
1030 SvLEN(sv) += SvIVX(sv);
1031 SvPVX(sv) -= SvIVX(sv);
1033 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
1035 SvFLAGS(sv) &= ~SVf_OOK;
1043 register I32 newlen;
1045 unsigned long newlen;
1050 #ifdef HAS_64K_LIMIT
1051 if (newlen >= 0x10000) {
1052 PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
1055 #endif /* HAS_64K_LIMIT */
1058 if (SvTYPE(sv) < SVt_PV) {
1059 sv_upgrade(sv, SVt_PV);
1062 else if (SvOOK(sv)) { /* pv is offset? */
1065 if (newlen > SvLEN(sv))
1066 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
1070 if (newlen > SvLEN(sv)) { /* need more room? */
1072 Renew(s,newlen,char);
1074 New(703,s,newlen,char);
1076 SvLEN_set(sv, newlen);
1086 if (SvTHINKFIRST(sv)) {
1087 if (SvREADONLY(sv) && curcop != &compiling)
1092 switch (SvTYPE(sv)) {
1094 sv_upgrade(sv, SVt_IV);
1097 sv_upgrade(sv, SVt_PVNV);
1101 sv_upgrade(sv, SVt_PVIV);
1115 croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
1116 op_name[op->op_type]);
1118 (void)SvIOK_only(sv); /* validate number */
1131 sv_setnv(sv, (double)u);
1139 if (SvTHINKFIRST(sv)) {
1140 if (SvREADONLY(sv) && curcop != &compiling)
1145 switch (SvTYPE(sv)) {
1148 sv_upgrade(sv, SVt_NV);
1154 sv_upgrade(sv, SVt_PVNV);
1161 (void)SvOOK_off(sv);
1174 croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
1175 op_name[op->op_type]);
1178 (void)SvNOK_only(sv); /* validate number */
1191 for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
1193 if (ch & 128 && !isPRINT_LC(ch)) {
1202 else if (ch == '\r') {
1206 else if (ch == '\f') {
1210 else if (ch == '\\') {
1214 else if (isPRINT_LC(ch))
1229 warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
1230 op_name[op->op_type]);
1232 warn("Argument \"%s\" isn't numeric", tmpbuf);
1241 if (SvGMAGICAL(sv)) {
1246 if (SvNVX(sv) < 0.0)
1247 return I_V(SvNVX(sv));
1249 return (IV) U_V(SvNVX(sv));
1251 if (SvPOKp(sv) && SvLEN(sv)) {
1252 if (dowarn && !looks_like_number(sv))
1254 return (IV)atol(SvPVX(sv));
1260 if (SvTHINKFIRST(sv)) {
1264 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1265 return SvIV(tmpstr);
1266 #endif /* OVERLOAD */
1267 return (IV)SvRV(sv);
1269 if (SvREADONLY(sv)) {
1271 if (SvNVX(sv) < 0.0)
1272 return I_V(SvNVX(sv));
1274 return (IV) U_V(SvNVX(sv));
1276 if (SvPOKp(sv) && SvLEN(sv)) {
1277 if (dowarn && !looks_like_number(sv))
1279 return (IV)atol(SvPVX(sv));
1286 switch (SvTYPE(sv)) {
1288 sv_upgrade(sv, SVt_IV);
1291 sv_upgrade(sv, SVt_PVIV);
1294 sv_upgrade(sv, SVt_PVNV);
1299 if (SvNVX(sv) < 0.0)
1300 SvIVX(sv) = I_V(SvNVX(sv));
1302 SvUVX(sv) = U_V(SvNVX(sv));
1304 else if (SvPOKp(sv) && SvLEN(sv)) {
1305 if (dowarn && !looks_like_number(sv))
1308 SvIVX(sv) = (IV)atol(SvPVX(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)) {
1333 if (dowarn && !looks_like_number(sv))
1335 return (UV)atol(SvPVX(sv));
1341 if (SvTHINKFIRST(sv)) {
1345 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1346 return SvUV(tmpstr);
1347 #endif /* OVERLOAD */
1348 return (UV)SvRV(sv);
1350 if (SvREADONLY(sv)) {
1352 return U_V(SvNVX(sv));
1354 if (SvPOKp(sv) && SvLEN(sv)) {
1355 if (dowarn && !looks_like_number(sv))
1357 return (UV)atol(SvPVX(sv));
1364 switch (SvTYPE(sv)) {
1366 sv_upgrade(sv, SVt_IV);
1369 sv_upgrade(sv, SVt_PVIV);
1372 sv_upgrade(sv, SVt_PVNV);
1377 SvUVX(sv) = U_V(SvNVX(sv));
1379 else if (SvPOKp(sv) && SvLEN(sv)) {
1380 if (dowarn && !looks_like_number(sv))
1383 SvUVX(sv) = (UV)atol(SvPVX(sv));
1386 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1390 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
1391 (unsigned long)sv,SvUVX(sv)));
1401 if (SvGMAGICAL(sv)) {
1405 if (SvPOKp(sv) && SvLEN(sv)) {
1406 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1409 return atof(SvPVX(sv));
1412 return (double)SvIVX(sv);
1417 if (SvTHINKFIRST(sv)) {
1421 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1422 return SvNV(tmpstr);
1423 #endif /* OVERLOAD */
1424 return (double)(unsigned long)SvRV(sv);
1426 if (SvREADONLY(sv)) {
1427 if (SvPOKp(sv) && SvLEN(sv)) {
1428 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1431 return atof(SvPVX(sv));
1434 return (double)SvIVX(sv);
1440 if (SvTYPE(sv) < SVt_NV) {
1441 if (SvTYPE(sv) == SVt_IV)
1442 sv_upgrade(sv, SVt_PVNV);
1444 sv_upgrade(sv, SVt_NV);
1445 DEBUG_c(NUMERIC_STANDARD());
1446 DEBUG_c(PerlIO_printf(Perl_debug_log,
1447 "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1449 else if (SvTYPE(sv) < SVt_PVNV)
1450 sv_upgrade(sv, SVt_PVNV);
1452 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1454 SvNVX(sv) = (double)SvIVX(sv);
1456 else if (SvPOKp(sv) && SvLEN(sv)) {
1457 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1460 SvNVX(sv) = atof(SvPVX(sv));
1463 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1468 DEBUG_c(NUMERIC_STANDARD());
1469 DEBUG_c(PerlIO_printf(Perl_debug_log,
1470 "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1486 if (SvGMAGICAL(sv)) {
1493 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1498 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1506 if (SvTHINKFIRST(sv)) {
1510 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1511 return SvPV(tmpstr,*lp);
1512 #endif /* OVERLOAD */
1517 switch (SvTYPE(sv)) {
1526 case SVt_PVMG: s = "SCALAR"; break;
1527 case SVt_PVLV: s = "LVALUE"; break;
1528 case SVt_PVAV: s = "ARRAY"; break;
1529 case SVt_PVHV: s = "HASH"; break;
1530 case SVt_PVCV: s = "CODE"; break;
1531 case SVt_PVGV: s = "GLOB"; break;
1532 case SVt_PVFM: s = "FORMATLINE"; break;
1533 case SVt_PVIO: s = "FILEHANDLE"; break;
1534 default: s = "UNKNOWN"; break;
1537 sprintf(tokenbuf, "%s=%s(0x%lx)",
1538 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1540 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1546 if (SvREADONLY(sv)) {
1549 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1553 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1562 if (!SvUPGRADE(sv, SVt_PV))
1565 if (SvTYPE(sv) < SVt_PVNV)
1566 sv_upgrade(sv, SVt_PVNV);
1569 olderrno = errno; /* some Xenix systems wipe out errno here */
1571 if (SvNVX(sv) == 0.0)
1572 (void)strcpy(s,"0");
1577 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1580 #ifdef FIXNEGATIVEZERO
1581 if (*s == '-' && s[1] == '0' && !s[2])
1590 else if (SvIOKp(sv)) {
1591 if (SvTYPE(sv) < SVt_PVIV)
1592 sv_upgrade(sv, SVt_PVIV);
1595 olderrno = errno; /* some Xenix systems wipe out errno here */
1596 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1601 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1607 *lp = s - SvPVX(sv);
1610 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1614 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1615 /* Sneaky stuff here */
1618 sv = sv_newmortal();
1619 *lp = strlen(tokenbuf);
1620 sv_setpvn(sv, tokenbuf, *lp);
1626 #ifdef FIXNEGATIVEZERO
1627 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1628 strcpy(tokenbuf,"0");
1630 (void)SvUPGRADE(sv, SVt_PV);
1631 len = *lp = strlen(tokenbuf);
1632 s = SvGROW(sv, len + 1);
1634 (void)strcpy(s, tokenbuf);
1640 /* This function is only called on magical items */
1654 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1655 return SvTRUE(tmpsv);
1657 #endif /* OVERLOAD */
1658 return SvRV(sv) != 0;
1662 if ((Xpv = (XPV*)SvANY(sv)) &&
1663 (*Xpv->xpv_pv > '0' ||
1665 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1672 return SvIVX(sv) != 0;
1675 return SvNVX(sv) != 0.0;
1682 /* Note: sv_setsv() should not be called with a source string that needs
1683 * to be reused, since it may destroy the source string if it is marked
1692 register U32 sflags;
1698 if (SvTHINKFIRST(dstr)) {
1699 if (SvREADONLY(dstr) && curcop != &compiling)
1706 stype = SvTYPE(sstr);
1707 dtype = SvTYPE(dstr);
1709 if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
1710 sv_unglob(dstr); /* so fake GLOB won't perpetuate */
1711 sv_setpvn(dstr, "", 0);
1712 (void)SvPOK_only(dstr);
1713 dtype = SvTYPE(dstr);
1718 #endif /* OVERLOAD */
1719 /* There's a lot of redundancy below but we're going for speed here */
1723 (void)SvOK_off(dstr);
1726 if (dtype != SVt_IV && dtype < SVt_PVIV) {
1728 sv_upgrade(dstr, SVt_IV);
1729 else if (dtype == SVt_NV)
1730 sv_upgrade(dstr, SVt_PVNV);
1732 sv_upgrade(dstr, SVt_PVIV);
1736 if (dtype != SVt_NV && dtype < SVt_PVNV) {
1738 sv_upgrade(dstr, SVt_NV);
1740 sv_upgrade(dstr, SVt_PVNV);
1745 sv_upgrade(dstr, SVt_RV);
1746 else if (dtype == SVt_PVGV &&
1747 SvTYPE(SvRV(sstr)) == SVt_PVGV) {
1750 if (curcop->cop_stash != GvSTASH(dstr))
1751 GvIMPORTED_on(dstr);
1760 sv_upgrade(dstr, SVt_PV);
1763 if (dtype < SVt_PVIV)
1764 sv_upgrade(dstr, SVt_PVIV);
1767 if (dtype < SVt_PVNV)
1768 sv_upgrade(dstr, SVt_PVNV);
1772 sv_upgrade(dstr, SVt_PVLV);
1780 croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
1781 op_name[op->op_type]);
1783 croak("Bizarre copy of %s", sv_reftype(sstr, 0));
1787 if (dtype <= SVt_PVGV) {
1789 if (dtype != SVt_PVGV) {
1790 char *name = GvNAME(sstr);
1791 STRLEN len = GvNAMELEN(sstr);
1792 sv_upgrade(dstr, SVt_PVGV);
1793 sv_magic(dstr, dstr, '*', name, len);
1794 GvSTASH(dstr) = GvSTASH(sstr);
1795 GvNAME(dstr) = savepvn(name, len);
1796 GvNAMELEN(dstr) = len;
1797 SvFAKE_on(dstr); /* can coerce to non-glob */
1799 (void)SvOK_off(dstr);
1800 GvINTRO_off(dstr); /* one-shot flag */
1802 GvGP(dstr) = gp_ref(GvGP(sstr));
1804 if (curcop->cop_stash != GvSTASH(dstr))
1805 GvIMPORTED_on(dstr);
1813 sv_upgrade(dstr, stype);
1814 if (SvGMAGICAL(sstr))
1818 sflags = SvFLAGS(sstr);
1820 if (sflags & SVf_ROK) {
1821 if (dtype >= SVt_PV) {
1822 if (dtype == SVt_PVGV) {
1823 SV *sref = SvREFCNT_inc(SvRV(sstr));
1825 int intro = GvINTRO(dstr);
1829 GvGP(dstr)->gp_refcnt--;
1830 GvINTRO_off(dstr); /* one-shot flag */
1831 Newz(602,gp, 1, GP);
1834 GvSV(dstr) = NEWSV(72,0);
1835 GvLINE(dstr) = curcop->cop_line;
1836 GvEGV(dstr) = (GV*)dstr;
1839 switch (SvTYPE(sref)) {
1842 SAVESPTR(GvAV(dstr));
1844 dref = (SV*)GvAV(dstr);
1845 GvAV(dstr) = (AV*)sref;
1846 if (curcop->cop_stash != GvSTASH(dstr))
1847 GvIMPORTED_AV_on(dstr);
1851 SAVESPTR(GvHV(dstr));
1853 dref = (SV*)GvHV(dstr);
1854 GvHV(dstr) = (HV*)sref;
1855 if (curcop->cop_stash != GvSTASH(dstr))
1856 GvIMPORTED_HV_on(dstr);
1860 SAVESPTR(GvCV(dstr));
1862 CV* cv = GvCV(dstr);
1865 if (dowarn && sref != dref &&
1866 !GvCVGEN((GV*)dstr) &&
1867 (CvROOT(cv) || CvXSUB(cv)) )
1868 warn("Subroutine %s redefined",
1869 GvENAME((GV*)dstr));
1873 if (GvCV(dstr) != (CV*)sref) {
1874 GvCV(dstr) = (CV*)sref;
1875 GvASSUMECV_on(dstr);
1877 if (curcop->cop_stash != GvSTASH(dstr))
1878 GvIMPORTED_CV_on(dstr);
1882 SAVESPTR(GvIOp(dstr));
1884 dref = (SV*)GvIOp(dstr);
1885 GvIOp(dstr) = (IO*)sref;
1889 SAVESPTR(GvSV(dstr));
1891 dref = (SV*)GvSV(dstr);
1893 if (curcop->cop_stash != GvSTASH(dstr))
1894 GvIMPORTED_SV_on(dstr);
1905 (void)SvOOK_off(dstr); /* backoff */
1906 Safefree(SvPVX(dstr));
1907 SvLEN(dstr)=SvCUR(dstr)=0;
1910 (void)SvOK_off(dstr);
1911 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
1913 if (sflags & SVp_NOK) {
1915 SvNVX(dstr) = SvNVX(sstr);
1917 if (sflags & SVp_IOK) {
1918 (void)SvIOK_on(dstr);
1919 SvIVX(dstr) = SvIVX(sstr);
1922 if (SvAMAGIC(sstr)) {
1925 #endif /* OVERLOAD */
1927 else if (sflags & SVp_POK) {
1930 * Check to see if we can just swipe the string. If so, it's a
1931 * possible small lose on short strings, but a big win on long ones.
1932 * It might even be a win on short strings if SvPVX(dstr)
1933 * has to be allocated and SvPVX(sstr) has to be freed.
1936 if (SvTEMP(sstr) && /* slated for free anyway? */
1937 !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
1939 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
1941 SvFLAGS(dstr) &= ~SVf_OOK;
1942 Safefree(SvPVX(dstr) - SvIVX(dstr));
1945 Safefree(SvPVX(dstr));
1947 (void)SvPOK_only(dstr);
1948 SvPV_set(dstr, SvPVX(sstr));
1949 SvLEN_set(dstr, SvLEN(sstr));
1950 SvCUR_set(dstr, SvCUR(sstr));
1952 (void)SvOK_off(sstr);
1953 SvPV_set(sstr, Nullch);
1958 else { /* have to copy actual string */
1959 STRLEN len = SvCUR(sstr);
1961 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
1962 Move(SvPVX(sstr),SvPVX(dstr),len,char);
1963 SvCUR_set(dstr, len);
1964 *SvEND(dstr) = '\0';
1965 (void)SvPOK_only(dstr);
1968 if (sflags & SVp_NOK) {
1970 SvNVX(dstr) = SvNVX(sstr);
1972 if (sflags & SVp_IOK) {
1973 (void)SvIOK_on(dstr);
1974 SvIVX(dstr) = SvIVX(sstr);
1977 else if (sflags & SVp_NOK) {
1978 SvNVX(dstr) = SvNVX(sstr);
1979 (void)SvNOK_only(dstr);
1981 (void)SvIOK_on(dstr);
1982 SvIVX(dstr) = SvIVX(sstr);
1985 else if (sflags & SVp_IOK) {
1986 (void)SvIOK_only(dstr);
1987 SvIVX(dstr) = SvIVX(sstr);
1990 (void)SvOK_off(dstr);
1996 sv_setpvn(sv,ptr,len)
1999 register STRLEN len;
2001 assert(len >= 0); /* STRLEN is probably unsigned, so this may
2002 elicit a warning, but it won't hurt. */
2003 if (SvTHINKFIRST(sv)) {
2004 if (SvREADONLY(sv) && curcop != &compiling)
2013 if (SvTYPE(sv) >= SVt_PV) {
2014 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2017 else if (!sv_upgrade(sv, SVt_PV))
2019 SvGROW(sv, len + 1);
2020 Move(ptr,SvPVX(sv),len,char);
2023 (void)SvPOK_only(sv); /* validate pointer */
2032 register STRLEN len;
2034 if (SvTHINKFIRST(sv)) {
2035 if (SvREADONLY(sv) && curcop != &compiling)
2045 if (SvTYPE(sv) >= SVt_PV) {
2046 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2049 else if (!sv_upgrade(sv, SVt_PV))
2051 SvGROW(sv, len + 1);
2052 Move(ptr,SvPVX(sv),len+1,char);
2054 (void)SvPOK_only(sv); /* validate pointer */
2059 sv_usepvn(sv,ptr,len)
2062 register STRLEN len;
2064 if (SvTHINKFIRST(sv)) {
2065 if (SvREADONLY(sv) && curcop != &compiling)
2070 if (!SvUPGRADE(sv, SVt_PV))
2077 Safefree(SvPVX(sv));
2078 Renew(ptr, len+1, char);
2081 SvLEN_set(sv, len+1);
2083 (void)SvPOK_only(sv); /* validate pointer */
2088 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
2092 register STRLEN delta;
2094 if (!ptr || !SvPOKp(sv))
2096 if (SvTHINKFIRST(sv)) {
2097 if (SvREADONLY(sv) && curcop != &compiling)
2102 if (SvTYPE(sv) < SVt_PVIV)
2103 sv_upgrade(sv,SVt_PVIV);
2107 SvFLAGS(sv) |= SVf_OOK;
2109 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
2110 delta = ptr - SvPVX(sv);
2118 sv_catpvn(sv,ptr,len)
2121 register STRLEN len;
2126 junk = SvPV_force(sv, tlen);
2127 SvGROW(sv, tlen + len + 1);
2130 Move(ptr,SvPVX(sv)+tlen,len,char);
2133 (void)SvPOK_only(sv); /* validate pointer */
2146 if (s = SvPV(sstr, len))
2147 sv_catpvn(dstr,s,len);
2155 register STRLEN len;
2161 junk = SvPV_force(sv, tlen);
2163 SvGROW(sv, tlen + len + 1);
2166 Move(ptr,SvPVX(sv)+tlen,len+1,char);
2168 (void)SvPOK_only(sv); /* validate pointer */
2188 sv_upgrade(sv, SVt_PV);
2189 SvGROW(sv, len + 1);
2194 /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
2197 sv_magic(sv, obj, how, name, namlen)
2206 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
2208 if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
2209 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
2216 if (!SvUPGRADE(sv, SVt_PVMG))
2219 Newz(702,mg, 1, MAGIC);
2220 mg->mg_moremagic = SvMAGIC(sv);
2223 if (!obj || obj == sv || how == '#')
2226 mg->mg_obj = SvREFCNT_inc(obj);
2227 mg->mg_flags |= MGf_REFCOUNTED;
2230 mg->mg_len = namlen;
2233 mg->mg_ptr = savepvn(name, namlen);
2234 else if (namlen == HEf_SVKEY)
2235 mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
2239 mg->mg_virtual = &vtbl_sv;
2243 mg->mg_virtual = &vtbl_amagic;
2246 mg->mg_virtual = &vtbl_amagicelem;
2251 #endif /* OVERLOAD */
2253 mg->mg_virtual = &vtbl_bm;
2256 mg->mg_virtual = &vtbl_env;
2259 mg->mg_virtual = &vtbl_fm;
2262 mg->mg_virtual = &vtbl_envelem;
2265 mg->mg_virtual = &vtbl_mglob;
2268 mg->mg_virtual = &vtbl_isa;
2271 mg->mg_virtual = &vtbl_isaelem;
2274 mg->mg_virtual = &vtbl_nkeys;
2281 mg->mg_virtual = &vtbl_dbline;
2285 mg->mg_virtual = &vtbl_collxfrm;
2289 mg->mg_virtual = &vtbl_pack;
2293 mg->mg_virtual = &vtbl_packelem;
2296 mg->mg_virtual = &vtbl_sig;
2299 mg->mg_virtual = &vtbl_sigelem;
2302 mg->mg_virtual = &vtbl_taint;
2306 mg->mg_virtual = &vtbl_uvar;
2309 mg->mg_virtual = &vtbl_vec;
2312 mg->mg_virtual = &vtbl_substr;
2315 mg->mg_virtual = &vtbl_glob;
2318 mg->mg_virtual = &vtbl_arylen;
2321 mg->mg_virtual = &vtbl_pos;
2323 case '~': /* Reserved for use by extensions not perl internals. */
2324 /* Useful for attaching extension internal data to perl vars. */
2325 /* Note that multiple extensions may clash if magical scalars */
2326 /* etc holding private data from one are passed to another. */
2330 croak("Don't know how to handle magic of type '%c'", how);
2334 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
2338 sv_unmagic(sv, type)
2344 if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
2347 for (mg = *mgp; mg; mg = *mgp) {
2348 if (mg->mg_type == type) {
2349 MGVTBL* vtbl = mg->mg_virtual;
2350 *mgp = mg->mg_moremagic;
2351 if (vtbl && vtbl->svt_free)
2352 (*vtbl->svt_free)(sv, mg);
2353 if (mg->mg_ptr && mg->mg_type != 'g')
2354 if (mg->mg_len >= 0)
2355 Safefree(mg->mg_ptr);
2356 else if (mg->mg_len == HEf_SVKEY)
2357 SvREFCNT_dec((SV*)mg->mg_ptr);
2358 if (mg->mg_flags & MGf_REFCOUNTED)
2359 SvREFCNT_dec(mg->mg_obj);
2363 mgp = &mg->mg_moremagic;
2367 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
2374 sv_insert(bigstr,offset,len,little,littlelen)
2383 register char *midend;
2384 register char *bigend;
2388 croak("Can't modify non-existent substring");
2389 SvPV_force(bigstr, na);
2391 i = littlelen - len;
2392 if (i > 0) { /* string might grow */
2393 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
2394 mid = big + offset + len;
2395 midend = bigend = big + SvCUR(bigstr);
2398 while (midend > mid) /* shove everything down */
2399 *--bigend = *--midend;
2400 Move(little,big+offset,littlelen,char);
2406 Move(little,SvPVX(bigstr)+offset,len,char);
2411 big = SvPVX(bigstr);
2414 bigend = big + SvCUR(bigstr);
2416 if (midend > bigend)
2417 croak("panic: sv_insert");
2419 if (mid - big > bigend - midend) { /* faster to shorten from end */
2421 Move(little, mid, littlelen,char);
2424 i = bigend - midend;
2426 Move(midend, mid, i,char);
2430 SvCUR_set(bigstr, mid - big);
2433 else if (i = mid - big) { /* faster from front */
2434 midend -= littlelen;
2436 sv_chop(bigstr,midend-i);
2441 Move(little, mid, littlelen,char);
2443 else if (littlelen) {
2444 midend -= littlelen;
2445 sv_chop(bigstr,midend);
2446 Move(little,midend,littlelen,char);
2449 sv_chop(bigstr,midend);
2454 /* make sv point to what nstr did */
2461 U32 refcnt = SvREFCNT(sv);
2462 if (SvTHINKFIRST(sv)) {
2463 if (SvREADONLY(sv) && curcop != &compiling)
2468 if (SvREFCNT(nsv) != 1)
2469 warn("Reference miscount in sv_replace()");
2470 if (SvMAGICAL(sv)) {
2474 sv_upgrade(nsv, SVt_PVMG);
2475 SvMAGIC(nsv) = SvMAGIC(sv);
2476 SvFLAGS(nsv) |= SvMAGICAL(sv);
2482 StructCopy(nsv,sv,SV);
2483 SvREFCNT(sv) = refcnt;
2484 SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
2493 assert(SvREFCNT(sv) == 0);
2499 if (defstash) { /* Still have a symbol table? */
2500 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2503 SAVEFREESV(SvSTASH(sv));
2504 if (destructor && GvCV(destructor)) {
2508 sv_upgrade(&ref, SVt_RV);
2509 SvRV(&ref) = SvREFCNT_inc(sv);
2516 perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
2517 del_XRV(SvANY(&ref));
2523 SvREFCNT_dec(SvSTASH(sv));
2525 SvOBJECT_off(sv); /* Curse the object. */
2526 if (SvTYPE(sv) != SVt_PVIO)
2527 --sv_objcount; /* XXX Might want something more general */
2532 && (ret = perl_get_sv("DB::ret", FALSE))
2533 && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
2534 /* Debugger is prone to dangling references. */
2539 croak("panic: dangling references in DESTROY");
2543 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
2545 switch (SvTYPE(sv)) {
2548 Safefree(IoTOP_NAME(sv));
2549 Safefree(IoFMT_NAME(sv));
2550 Safefree(IoBOTTOM_NAME(sv));
2566 Safefree(GvNAME(sv));
2573 (void)SvOOK_off(sv);
2578 SvREFCNT_dec(SvRV(sv));
2579 else if (SvPVX(sv) && SvLEN(sv))
2580 Safefree(SvPVX(sv));
2590 switch (SvTYPE(sv)) {
2606 del_XPVIV(SvANY(sv));
2609 del_XPVNV(SvANY(sv));
2612 del_XPVMG(SvANY(sv));
2615 del_XPVLV(SvANY(sv));
2618 del_XPVAV(SvANY(sv));
2621 del_XPVHV(SvANY(sv));
2624 del_XPVCV(SvANY(sv));
2627 del_XPVGV(SvANY(sv));
2630 del_XPVBM(SvANY(sv));
2633 del_XPVFM(SvANY(sv));
2636 del_XPVIO(SvANY(sv));
2639 SvFLAGS(sv) &= SVf_BREAK;
2640 SvFLAGS(sv) |= SVTYPEMASK;
2658 if (SvREADONLY(sv)) {
2659 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2662 if (SvREFCNT(sv) == 0) {
2663 if (SvFLAGS(sv) & SVf_BREAK)
2665 if (in_clean_all) /* All is fair */
2667 warn("Attempt to free unreferenced scalar");
2670 if (--SvREFCNT(sv) > 0)
2674 warn("Attempt to free temp prematurely");
2695 junk = SvPV(sv, len);
2714 pv1 = SvPV(str1, cur1);
2719 pv2 = SvPV(str2, cur2);
2724 return !memcmp(pv1, pv2, cur1);
2733 char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
2735 char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
2739 return cur2 ? -1 : 0;
2744 retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
2747 return retval < 0 ? -1 : 1;
2752 return cur1 < cur2 ? -1 : 1;
2756 sv_cmp_locale(sv1, sv2)
2766 if (collation_standard)
2770 pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
2772 pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
2774 if (!pv1 || !len1) {
2785 retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
2788 return retval < 0 ? -1 : 1;
2791 * When the result of collation is equality, that doesn't mean
2792 * that there are no differences -- some locales exclude some
2793 * characters from consideration. So to avoid false equalities,
2794 * we use the raw string as a tiebreaker.
2800 #endif /* LC_COLLATE */
2802 return sv_cmp(sv1, sv2);
2808 sv_collxfrm(sv, nxp)
2812 /* Any scalar variable may carry an 'o' magic that contains the
2813 * scalar data of the variable transformed to such a format that
2814 * a normal memcmp() can be used to compare the data according
2815 * to the locale settings. */
2819 if (SvMAGICAL(sv)) {
2820 mg = mg_find(sv, 'o');
2821 if (mg && *(U32*)mg->mg_ptr != collation_ix)
2830 if ((xf = mem_collxfrm(s, len, &xlen))) {
2831 sv_magic(sv, 0, 'o', 0, 0);
2832 if ((mg = mg_find(sv, 'o'))) {
2841 return mg->mg_ptr + sizeof(collation_ix);
2849 #endif /* LC_COLLATE */
2852 sv_gets(sv,fp,append)
2854 register PerlIO *fp;
2859 register STDCHAR rslast;
2860 register STDCHAR *bp;
2864 if (SvTHINKFIRST(sv)) {
2865 if (SvREADONLY(sv) && curcop != &compiling)
2870 if (!SvUPGRADE(sv, SVt_PV))
2878 else if (RsPARA(rs)) {
2883 rsptr = SvPV(rs, rslen);
2884 rslast = rslen ? rsptr[rslen - 1] : '\0';
2886 if (RsPARA(rs)) { /* have to do this both before and after */
2887 do { /* to make sure file boundaries work right */
2890 i = PerlIO_getc(fp);
2894 PerlIO_ungetc(fp,i);
2900 /* See if we know enough about I/O mechanism to cheat it ! */
2902 /* This used to be #ifdef test - it is made run-time test for ease
2903 of abstracting out stdio interface. One call should be cheap
2904 enough here - and may even be a macro allowing compile
2908 if (PerlIO_fast_gets(fp)) {
2911 * We're going to steal some values from the stdio struct
2912 * and put EVERYTHING in the innermost loop into registers.
2914 register STDCHAR *ptr;
2918 #if defined(VMS) && defined(PERLIO_IS_STDIO)
2919 /* An ungetc()d char is handled separately from the regular
2920 * buffer, so we getc() it back out and stuff it in the buffer.
2922 i = PerlIO_getc(fp);
2923 if (i == EOF) return 0;
2924 *(--((*fp)->_ptr)) = (unsigned char) i;
2928 /* Here is some breathtakingly efficient cheating */
2930 cnt = PerlIO_get_cnt(fp); /* get count into register */
2931 (void)SvPOK_only(sv); /* validate pointer */
2932 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
2933 if (cnt > 80 && SvLEN(sv) > append) {
2934 shortbuffered = cnt - SvLEN(sv) + append + 1;
2935 cnt -= shortbuffered;
2939 /* remember that cnt can be negative */
2940 SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
2945 bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
2946 ptr = (STDCHAR*)PerlIO_get_ptr(fp);
2947 DEBUG_P(PerlIO_printf(Perl_debug_log,
2948 "Screamer: entering, ptr=%d, cnt=%d\n",ptr,cnt));
2949 DEBUG_P(PerlIO_printf(Perl_debug_log,
2950 "Screamer: entering: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
2951 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
2952 PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0));
2957 while (cnt > 0) { /* this | eat */
2959 if ((*bp++ = *ptr++) == rslast) /* really | dust */
2960 goto thats_all_folks; /* screams | sed :-) */
2964 memcpy((char*)bp, (char*)ptr, cnt); /* this | eat */
2965 bp += cnt; /* screams | dust */
2966 ptr += cnt; /* louder | sed :-) */
2971 if (shortbuffered) { /* oh well, must extend */
2972 cnt = shortbuffered;
2974 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
2976 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
2977 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
2981 DEBUG_P(PerlIO_printf(Perl_debug_log,
2982 "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,cnt));
2983 PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
2984 DEBUG_P(PerlIO_printf(Perl_debug_log,
2985 "Screamer: pre: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
2986 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
2987 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
2988 /* This used to call 'filbuf' in stdio form, but as that behaves like
2989 getc when cnt <= 0 we use PerlIO_getc here to avoid another
2990 abstraction. This may also avoid issues with different named
2991 'filbuf' equivalents, though Configure tries to handle them now
2994 i = PerlIO_getc(fp); /* get more characters */
2995 DEBUG_P(PerlIO_printf(Perl_debug_log,
2996 "Screamer: post: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
2997 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
2998 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
2999 cnt = PerlIO_get_cnt(fp);
3000 ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
3001 DEBUG_P(PerlIO_printf(Perl_debug_log,
3002 "Screamer: after getc, ptr=%d, cnt=%d\n",ptr,cnt));
3004 if (i == EOF) /* all done for ever? */
3005 goto thats_really_all_folks;
3007 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3009 SvGROW(sv, bpx + cnt + 2);
3010 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3012 *bp++ = i; /* store character from PerlIO_getc */
3014 if (rslen && (STDCHAR)i == rslast) /* all done for now? */
3015 goto thats_all_folks;
3019 if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
3020 memcmp((char*)bp - rslen, rsptr, rslen))
3021 goto screamer; /* go back to the fray */
3022 thats_really_all_folks:
3024 cnt += shortbuffered;
3025 DEBUG_P(PerlIO_printf(Perl_debug_log,
3026 "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,cnt));
3027 PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
3028 DEBUG_P(PerlIO_printf(Perl_debug_log,
3029 "Screamer: end: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3030 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3031 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3033 SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
3034 DEBUG_P(PerlIO_printf(Perl_debug_log,
3035 "Screamer: done, len=%d, string=|%.*s|\n",
3036 SvCUR(sv),SvCUR(sv),SvPVX(sv)));
3040 /*The big, slow, and stupid way */
3045 register STDCHAR *bpe = buf + sizeof(buf);
3047 while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
3048 ; /* keep reading */
3052 cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
3053 /* Accomodate broken VAXC compiler, which applies U8 cast to
3054 * both args of ?: operator, causing EOF to change into 255
3056 if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
3060 sv_catpvn(sv, (char *) buf, cnt);
3062 sv_setpvn(sv, (char *) buf, cnt);
3064 if (i != EOF && /* joy */
3066 SvCUR(sv) < rslen ||
3067 memcmp(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
3074 if (RsPARA(rs)) { /* have to do this both before and after */
3075 while (i != EOF) { /* to make sure file boundaries work right */
3076 i = PerlIO_getc(fp);
3078 PerlIO_ungetc(fp,i);
3084 return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
3097 if (SvTHINKFIRST(sv)) {
3098 if (SvREADONLY(sv) && curcop != &compiling)
3102 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
3103 #endif /* OVERLOAD */
3109 flags = SvFLAGS(sv);
3110 if (flags & SVp_NOK) {
3111 (void)SvNOK_only(sv);
3115 if (flags & SVp_IOK) {
3116 if (SvIVX(sv) == IV_MAX)
3117 sv_setnv(sv, (double)IV_MAX + 1.0);
3119 (void)SvIOK_only(sv);
3124 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
3125 if ((flags & SVTYPEMASK) < SVt_PVNV)
3126 sv_upgrade(sv, SVt_NV);
3128 (void)SvNOK_only(sv);
3132 while (isALPHA(*d)) d++;
3133 while (isDIGIT(*d)) d++;
3136 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
3140 while (d >= SvPVX(sv)) {
3150 *(d--) -= 'z' - 'a' + 1;
3153 /* oh,oh, the number grew */
3154 SvGROW(sv, SvCUR(sv) + 2);
3156 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
3172 if (SvTHINKFIRST(sv)) {
3173 if (SvREADONLY(sv) && curcop != &compiling)
3177 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
3178 #endif /* OVERLOAD */
3184 flags = SvFLAGS(sv);
3185 if (flags & SVp_NOK) {
3187 (void)SvNOK_only(sv);
3190 if (flags & SVp_IOK) {
3191 if (SvIVX(sv) == IV_MIN)
3192 sv_setnv(sv, (double)IV_MIN - 1.0);
3194 (void)SvIOK_only(sv);
3199 if (!(flags & SVp_POK)) {
3200 if ((flags & SVTYPEMASK) < SVt_PVNV)
3201 sv_upgrade(sv, SVt_NV);
3203 (void)SvNOK_only(sv);
3207 sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
3210 /* Make a string that will exist for the duration of the expression
3211 * evaluation. Actually, it may have to last longer than that, but
3212 * hopefully we won't free it until it has been assigned to a
3213 * permanent location. */
3218 tmps_max += (tmps_max < 512) ? 128 : 512;
3219 Renew(tmps_stack, tmps_max, SV*);
3223 sv_mortalcopy(oldstr)
3232 sv_setsv(sv,oldstr);
3233 if (++tmps_ix >= tmps_max)
3235 tmps_stack[tmps_ix] = sv;
3248 SvFLAGS(sv) = SVs_TEMP;
3249 if (++tmps_ix >= tmps_max)
3251 tmps_stack[tmps_ix] = sv;
3255 /* same thing without the copying */
3263 if (SvREADONLY(sv) && curcop != &compiling)
3265 if (++tmps_ix >= tmps_max)
3267 tmps_stack[tmps_ix] = sv;
3285 sv_setpvn(sv,s,len);
3327 sv_upgrade(sv, SVt_RV);
3329 SvRV(sv) = SvREFCNT_inc(ref);
3334 /* make an exact duplicate of old */
3344 if (SvTYPE(old) == SVTYPEMASK) {
3345 warn("semi-panic: attempt to dup freed string");
3375 if (!*s) { /* reset ?? searches */
3376 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
3377 pm->op_pmflags &= ~PMf_USED;
3382 /* reset variables */
3384 if (!HvARRAY(stash))
3387 Zero(todo, 256, char);
3394 for ( ; i <= max; i++) {
3397 for (i = 0; i <= (I32) HvMAX(stash); i++) {
3398 for (entry = HvARRAY(stash)[i];
3400 entry = HeNEXT(entry)) {
3401 if (!todo[(U8)*HeKEY(entry)])
3403 gv = (GV*)HeVAL(entry);
3406 if (SvTYPE(sv) >= SVt_PV) {
3409 if (SvPVX(sv) != Nullch)
3416 if (HvNAME(GvHV(gv)))
3419 #ifndef VMS /* VMS has no environ array */
3421 environ[0] = Nullch;
3430 sv_2cv(sv, st, gvp, lref)
3440 return *gvp = Nullgv, Nullcv;
3441 switch (SvTYPE(sv)) {
3461 if (SvTYPE(cv) != SVt_PVCV)
3462 croak("Not a subroutine reference");
3470 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
3476 if (lref && !GvCV(gv)) {
3479 tmpsv = NEWSV(704,0);
3480 gv_efullname3(tmpsv, gv, Nullch);
3481 newSUB(start_subparse(),
3482 newSVOP(OP_CONST, 0, tmpsv),
3487 croak("Unable to create sub named \"%s\"", SvPV(sv,na));
3504 if ((Xpv = (XPV*)SvANY(sv)) &&
3505 (*Xpv->xpv_pv > '0' ||
3507 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
3514 return SvIVX(sv) != 0;
3517 return SvNVX(sv) != 0.0;
3519 return sv_2bool(sv);
3523 #endif /* !SvTRUE */
3568 return sv_2pv(sv, lp);
3573 sv_pvn_force(sv, lp)
3579 if (SvREADONLY(sv) && curcop != &compiling)
3586 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
3587 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
3593 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
3594 op_name[op->op_type]);
3598 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
3603 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
3604 SvGROW(sv, len + 1);
3605 Move(s,SvPVX(sv),len,char);
3610 SvPOK_on(sv); /* validate pointer */
3612 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
3613 (unsigned long)sv,SvPVX(sv)));
3624 if (ob && SvOBJECT(sv))
3625 return HvNAME(SvSTASH(sv));
3627 switch (SvTYPE(sv)) {
3641 case SVt_PVLV: return "LVALUE";
3642 case SVt_PVAV: return "ARRAY";
3643 case SVt_PVHV: return "HASH";
3644 case SVt_PVCV: return "CODE";
3645 case SVt_PVGV: return "GLOB";
3646 case SVt_PVFM: return "FORMLINE";
3647 default: return "UNKNOWN";
3675 return strEQ(HvNAME(SvSTASH(sv)), name);
3679 newSVrv(rv, classname)
3689 sv_upgrade(rv, SVt_RV);
3690 SvRV(rv) = SvREFCNT_inc(sv);
3694 HV* stash = gv_stashpv(classname, TRUE);
3695 (void)sv_bless(rv, stash);
3701 sv_setref_pv(rv, classname, pv)
3707 sv_setsv(rv, &sv_undef);
3709 sv_setiv(newSVrv(rv,classname), (IV)pv);
3714 sv_setref_iv(rv, classname, iv)
3719 sv_setiv(newSVrv(rv,classname), iv);
3724 sv_setref_nv(rv, classname, nv)
3729 sv_setnv(newSVrv(rv,classname), nv);
3734 sv_setref_pvn(rv, classname, pv, n)
3740 sv_setpvn(newSVrv(rv,classname), pv, n);
3751 croak("Can't bless non-reference value");
3753 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3754 if (SvREADONLY(ref))
3756 if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
3761 (void)SvUPGRADE(ref, SVt_PVMG);
3762 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3766 if (Gv_AMG(stash)) {
3769 #endif /* OVERLOAD */
3778 assert(SvTYPE(sv) == SVt_PVGV);
3782 sv_unmagic(sv, '*');
3783 Safefree(GvNAME(sv));
3785 SvFLAGS(sv) &= ~SVTYPEMASK;
3786 SvFLAGS(sv) |= SVt_PVMG;
3797 if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
3800 sv_2mortal(rv); /* Schedule for freeing later */
3810 switch (SvTYPE(sv)) {
3818 croak("Bad filehandle: %s", GvNAME(gv));
3822 croak(no_usym, "filehandle");
3824 return sv_2io(SvRV(sv));
3825 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
3831 croak("Bad filehandle: %s", SvPV(sv,na));
3841 sv_magic((sv), Nullsv, 't', Nullch, 0);
3848 MAGIC *mg = mg_find(sv, 't');
3857 MAGIC *mg = mg_find(sv, 't');
3858 return (mg && ((mg->mg_len & 1)
3859 || (mg->mg_len & 2) && mg->mg_obj == sv));
3873 PerlIO_printf(Perl_debug_log, "SV = 0\n");
3877 flags = SvFLAGS(sv);
3880 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
3881 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
3883 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
3884 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
3885 if (flags & SVs_PADMY) strcat(d, "PADMY,");
3886 if (flags & SVs_TEMP) strcat(d, "TEMP,");
3887 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
3888 if (flags & SVs_GMG) strcat(d, "GMG,");
3889 if (flags & SVs_SMG) strcat(d, "SMG,");
3890 if (flags & SVs_RMG) strcat(d, "RMG,");
3893 if (flags & SVf_IOK) strcat(d, "IOK,");
3894 if (flags & SVf_NOK) strcat(d, "NOK,");
3895 if (flags & SVf_POK) strcat(d, "POK,");
3896 if (flags & SVf_ROK) strcat(d, "ROK,");
3897 if (flags & SVf_OOK) strcat(d, "OOK,");
3898 if (flags & SVf_FAKE) strcat(d, "FAKE,");
3899 if (flags & SVf_READONLY) strcat(d, "READONLY,");
3903 if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
3904 #endif /* OVERLOAD */
3905 if (flags & SVp_IOK) strcat(d, "pIOK,");
3906 if (flags & SVp_NOK) strcat(d, "pNOK,");
3907 if (flags & SVp_POK) strcat(d, "pPOK,");
3908 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
3912 if (CvANON(sv)) strcat(d, "ANON,");
3913 if (CvCLONE(sv)) strcat(d, "CLONE,");
3914 if (CvCLONED(sv)) strcat(d, "CLONED,");
3917 if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
3918 if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
3921 if (GvINTRO(sv)) strcat(d, "INTRO,");
3922 if (GvMULTI(sv)) strcat(d, "MULTI,");
3923 if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
3924 if (GvIMPORTED(sv)) {
3925 strcat(d, "IMPORT");
3926 if (GvIMPORTED(sv) == GVf_IMPORTED)
3930 if (GvIMPORTED_SV(sv)) strcat(d, " SV");
3931 if (GvIMPORTED_AV(sv)) strcat(d, " AV");
3932 if (GvIMPORTED_HV(sv)) strcat(d, " HV");
3933 if (GvIMPORTED_CV(sv)) strcat(d, " CV");
3938 if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,");
3939 #endif /* OVERLOAD */
3948 PerlIO_printf(Perl_debug_log, "SV = ");
3951 PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
3954 PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
3957 PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
3960 PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
3963 PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
3966 PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
3969 PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
3972 PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
3975 PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
3978 PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
3981 PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
3984 PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
3987 PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
3990 PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
3993 PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
3996 PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
3999 PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
4002 if (type >= SVt_PVIV || type == SVt_IV)
4003 PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
4004 if (type >= SVt_PVNV || type == SVt_NV) {
4006 PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
4009 PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
4015 if (type <= SVt_PVLV) {
4017 PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
4018 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
4020 PerlIO_printf(Perl_debug_log, " PV = 0\n");
4022 if (type >= SVt_PVMG) {
4024 PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
4027 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
4031 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
4032 PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
4033 PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
4034 PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
4035 sv_dump(LvTARG(sv));
4038 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
4039 PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
4040 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
4041 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
4042 PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
4043 flags = AvFLAGS(sv);
4046 if (flags & AVf_REAL) strcat(d, "REAL,");
4047 if (flags & AVf_REIFY) strcat(d, "REIFY,");
4048 if (flags & AVf_REUSED) strcat(d, "REUSED,");
4050 d[strlen(d)-1] = '\0';
4051 PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
4054 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
4055 PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
4056 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
4057 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
4058 PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
4059 PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
4061 PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
4063 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
4068 PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
4069 PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
4070 PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
4071 PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
4072 PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
4073 PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
4074 PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
4075 if (CvGV(sv) && GvNAME(CvGV(sv))) {
4076 PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
4078 PerlIO_printf(Perl_debug_log, "\n");
4080 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
4081 PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
4082 PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
4083 PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
4084 if (type == SVt_PVFM)
4085 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
4088 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
4089 PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
4090 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
4091 PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
4092 PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
4093 PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
4094 PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
4095 PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
4096 PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
4097 PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
4098 PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
4099 PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
4100 PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
4101 PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
4102 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
4103 PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
4106 PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
4107 PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
4108 PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
4109 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
4110 PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
4111 PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
4112 PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
4113 PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
4114 PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
4115 PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
4116 PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
4117 PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
4118 PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
4119 PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
4120 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
4121 PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));