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.
17 /* The following is all to get DBL_DIG, in order to pick a nice
18 default value for printing floating point numbers in Gconvert.
28 #define DBL_DIG 15 /* A guess that works lots of places */
31 static SV *more_sv _((void));
32 static XPVIV *more_xiv _((void));
33 static XPVNV *more_xnv _((void));
34 static XPV *more_xpv _((void));
35 static XRV *more_xrv _((void));
36 static SV *new_sv _((void));
37 static XPVIV *new_xiv _((void));
38 static XPVNV *new_xnv _((void));
39 static XPV *new_xpv _((void));
40 static XRV *new_xrv _((void));
41 static void del_xiv _((XPVIV* p));
42 static void del_xnv _((XPVNV* p));
43 static void del_xpv _((XPV* p));
44 static void del_xrv _((XRV* p));
45 static void sv_mortalgrow _((void));
47 static void sv_unglob _((SV* sv));
51 #define new_SV() sv = (SV*)safemalloc(sizeof(SV))
52 #define del_SV(p) free((char*)p)
59 sv_root = (SV*)SvANY(sv); \
71 sv_root = (SV*)SvANY(sv);
83 SvANY(p) = (void *)sv_root; \
96 for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(svend)) {
97 svend = &sv[1008 / sizeof(SV)];
98 if (p >= sv && p < svend)
102 warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
106 SvANY(p) = (void *) sv_root;
112 SvANY(p) = (void *)sv_root; \
123 sv_root = (SV*)safemalloc(1012);
125 Zero(sv, 1012, char);
126 svend = &sv[1008 / sizeof(SV) - 1];
128 SvANY(sv) = (void *)(SV*)(sv + 1);
129 SvFLAGS(sv) = SVTYPEMASK;
134 SvANY(sv) = (void *) sv_arenaroot;
135 sv_arenaroot = sv_root;
146 for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
147 svend = &sv[1008 / sizeof(SV)];
149 if (SvTYPE(sv) != SVTYPEMASK) {
150 fprintf(stderr, "****\n");
165 for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
166 svend = &sv[1008 / sizeof(SV)];
168 if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
169 DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "),
175 /* XXX Might want to check arrays, etc. */
187 for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
188 svend = &sv[1008 / sizeof(SV)];
190 if (SvTYPE(sv) != SVTYPEMASK) {
191 DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));)
192 SvFLAGS(sv) |= SVf_BREAK;
207 * See comment in more_xiv() -- RAM.
209 xiv_root = (IV**)*xiv;
210 return (XPVIV*)((char*)xiv - sizeof(XPV));
219 IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
220 *xiv = (IV *)xiv_root;
228 register IV** xivend;
229 XPV* ptr = (XPV*)safemalloc(1008);
230 ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
231 xiv_arenaroot = ptr; /* to keep Purify happy */
234 xivend = &xiv[1008 / sizeof(IV *) - 1];
235 xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
237 while (xiv < xivend) {
238 *xiv = (IV *)(xiv + 1);
251 xnv_root = *(double**)xnv;
252 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
261 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
262 *(double**)xnv = xnv_root;
269 register double* xnv;
270 register double* xnvend;
271 xnv = (double*)safemalloc(1008);
272 xnvend = &xnv[1008 / sizeof(double) - 1];
273 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
275 while (xnv < xnvend) {
276 *(double**)xnv = (double*)(xnv + 1);
289 xrv_root = (XRV*)xrv->xrv_rv;
299 p->xrv_rv = (SV*)xrv_root;
307 register XRV* xrvend;
308 xrv_root = (XRV*)safemalloc(1008);
310 xrvend = &xrv[1008 / sizeof(XRV) - 1];
311 while (xrv < xrvend) {
312 xrv->xrv_rv = (SV*)(xrv + 1);
325 xpv_root = (XPV*)xpv->xpv_pv;
335 p->xpv_pv = (char*)xpv_root;
343 register XPV* xpvend;
344 xpv_root = (XPV*)safemalloc(1008);
346 xpvend = &xpv[1008 / sizeof(XPV) - 1];
347 while (xpv < xpvend) {
348 xpv->xpv_pv = (char*)(xpv + 1);
356 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
357 #define del_XIV(p) free((char*)p)
359 #define new_XIV() (void*)new_xiv()
360 #define del_XIV(p) del_xiv(p)
364 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
365 #define del_XNV(p) free((char*)p)
367 #define new_XNV() (void*)new_xnv()
368 #define del_XNV(p) del_xnv(p)
372 #define new_XRV() (void*)safemalloc(sizeof(XRV))
373 #define del_XRV(p) free((char*)p)
375 #define new_XRV() (void*)new_xrv()
376 #define del_XRV(p) del_xrv(p)
380 #define new_XPV() (void*)safemalloc(sizeof(XPV))
381 #define del_XPV(p) free((char*)p)
383 #define new_XPV() (void*)new_xpv()
384 #define del_XPV(p) del_xpv(p)
387 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
388 #define del_XPVIV(p) free((char*)p)
390 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
391 #define del_XPVNV(p) free((char*)p)
393 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
394 #define del_XPVMG(p) free((char*)p)
396 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
397 #define del_XPVLV(p) free((char*)p)
399 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
400 #define del_XPVAV(p) free((char*)p)
402 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
403 #define del_XPVHV(p) free((char*)p)
405 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
406 #define del_XPVCV(p) free((char*)p)
408 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
409 #define del_XPVGV(p) free((char*)p)
411 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
412 #define del_XPVBM(p) free((char*)p)
414 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
415 #define del_XPVFM(p) free((char*)p)
417 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
418 #define del_XPVIO(p) free((char*)p)
433 if (SvTYPE(sv) == mt)
436 switch (SvTYPE(sv)) {
451 nv = (double)SvIVX(sv);
457 else if (mt < SVt_PVIV)
474 pv = (char*)SvRV(sv);
478 nv = (double)(unsigned long)pv;
495 else if (mt == SVt_NV)
507 del_XPVIV(SvANY(sv));
518 del_XPVNV(SvANY(sv));
528 del_XPVMG(SvANY(sv));
531 croak("Can't upgrade that kind of scalar");
536 croak("Can't upgrade to undef");
538 SvANY(sv) = new_XIV();
542 SvANY(sv) = new_XNV();
546 SvANY(sv) = new_XRV();
550 SvANY(sv) = new_XPV();
556 SvANY(sv) = new_XPVIV();
566 SvANY(sv) = new_XPVNV();
574 SvANY(sv) = new_XPVMG();
584 SvANY(sv) = new_XPVLV();
598 SvANY(sv) = new_XPVAV();
613 SvANY(sv) = new_XPVHV();
629 SvANY(sv) = new_XPVCV();
630 Zero(SvANY(sv), 1, XPVCV);
640 SvANY(sv) = new_XPVGV();
654 SvANY(sv) = new_XPVBM();
667 SvANY(sv) = new_XPVFM();
668 Zero(SvANY(sv), 1, XPVFM);
678 SvANY(sv) = new_XPVIO();
679 Zero(SvANY(sv), 1, XPVIO);
690 SvFLAGS(sv) &= ~SVTYPEMASK;
708 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
712 else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
713 if (sv == &sv_undef) {
714 strcpy(t, "SV_UNDEF");
715 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
716 SVs_GMG|SVs_SMG|SVs_RMG)) &&
720 else if (sv == &sv_no) {
722 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
723 SVs_GMG|SVs_SMG|SVs_RMG)) &&
724 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
732 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
733 SVs_GMG|SVs_SMG|SVs_RMG)) &&
734 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
737 SvPVX(sv) && *SvPVX(sv) == '1' &&
744 else if (SvREFCNT(sv) == 0) {
750 if (t - tokenbuf + unref > 10) {
751 strcpy(tokenbuf + unref + 3,"...");
757 switch (SvTYPE(sv)) {
797 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
820 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
822 sprintf(t,"(\"%.127s\")",SvPVX(sv));
825 sprintf(t,"(%g)",SvNVX(sv));
827 sprintf(t,"(%ld)",(long)SvIVX(sv));
849 SvLEN(sv) += SvIVX(sv);
850 SvPVX(sv) -= SvIVX(sv);
852 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
854 SvFLAGS(sv) &= ~SVf_OOK;
864 unsigned long newlen;
870 if (newlen >= 0x10000) {
871 fprintf(stderr, "Allocation too large: %lx\n", newlen);
877 if (SvTYPE(sv) < SVt_PV) {
878 sv_upgrade(sv, SVt_PV);
881 else if (SvOOK(sv)) { /* pv is offset? */
884 if (newlen > SvLEN(sv))
885 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
889 if (newlen > SvLEN(sv)) { /* need more room? */
891 Renew(s,newlen,char);
893 New(703,s,newlen,char);
895 SvLEN_set(sv, newlen);
905 if (SvTHINKFIRST(sv)) {
906 if (SvREADONLY(sv) && curcop != &compiling)
911 switch (SvTYPE(sv)) {
913 sv_upgrade(sv, SVt_IV);
916 sv_upgrade(sv, SVt_PVNV);
920 sv_upgrade(sv, SVt_PVIV);
934 croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
935 op_name[op->op_type]);
938 (void)SvIOK_only(sv); /* validate number */
947 if (SvTHINKFIRST(sv)) {
948 if (SvREADONLY(sv) && curcop != &compiling)
953 switch (SvTYPE(sv)) {
956 sv_upgrade(sv, SVt_NV);
962 sv_upgrade(sv, SVt_PVNV);
982 croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
983 op_name[op->op_type]);
986 (void)SvNOK_only(sv); /* validate number */
999 for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
1001 if (ch & 128 && !isprint(ch)) {
1021 warn("Argument \"%s\" isn't numeric for %s", tmpbuf,
1022 op_name[op->op_type]);
1024 warn("Argument \"%s\" isn't numeric", tmpbuf);
1033 if (SvGMAGICAL(sv)) {
1038 if (SvNVX(sv) < 0.0)
1039 return I_V(SvNVX(sv));
1041 return (IV) U_V(SvNVX(sv));
1043 if (SvPOKp(sv) && SvLEN(sv)) {
1044 if (dowarn && !looks_like_number(sv))
1046 return (IV)atol(SvPVX(sv));
1050 if (SvTHINKFIRST(sv)) {
1054 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1055 return SvIV(tmpstr);
1056 #endif /* OVERLOAD */
1057 return (IV)SvRV(sv);
1059 if (SvREADONLY(sv)) {
1061 if (SvNVX(sv) < 0.0)
1062 return I_V(SvNVX(sv));
1064 return (IV) U_V(SvNVX(sv));
1066 if (SvPOKp(sv) && SvLEN(sv)) {
1067 if (dowarn && !looks_like_number(sv))
1069 return (IV)atol(SvPVX(sv));
1076 switch (SvTYPE(sv)) {
1078 sv_upgrade(sv, SVt_IV);
1081 sv_upgrade(sv, SVt_PVIV);
1084 sv_upgrade(sv, SVt_PVNV);
1088 if (SvNVX(sv) < 0.0)
1089 SvIVX(sv) = I_V(SvNVX(sv));
1091 SvIVX(sv) = (IV) U_V(SvNVX(sv));
1093 else if (SvPOKp(sv) && SvLEN(sv)) {
1094 if (dowarn && !looks_like_number(sv))
1096 SvIVX(sv) = (IV)atol(SvPVX(sv));
1099 if (dowarn && !localizing)
1104 DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n",
1105 (unsigned long)sv,(long)SvIVX(sv)));
1115 if (SvGMAGICAL(sv)) {
1119 if (SvPOKp(sv) && SvLEN(sv)) {
1120 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1122 return atof(SvPVX(sv));
1125 return (double)SvIVX(sv);
1128 if (SvTHINKFIRST(sv)) {
1132 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1133 return SvNV(tmpstr);
1134 #endif /* OVERLOAD */
1135 return (double)(unsigned long)SvRV(sv);
1137 if (SvREADONLY(sv)) {
1138 if (SvPOKp(sv) && SvLEN(sv)) {
1139 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1141 return atof(SvPVX(sv));
1144 return (double)SvIVX(sv);
1150 if (SvTYPE(sv) < SVt_NV) {
1151 if (SvTYPE(sv) == SVt_IV)
1152 sv_upgrade(sv, SVt_PVNV);
1154 sv_upgrade(sv, SVt_NV);
1155 DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1157 else if (SvTYPE(sv) < SVt_PVNV)
1158 sv_upgrade(sv, SVt_PVNV);
1160 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1162 SvNVX(sv) = (double)SvIVX(sv);
1164 else if (SvPOKp(sv) && SvLEN(sv)) {
1165 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1167 SvNVX(sv) = atof(SvPVX(sv));
1170 if (dowarn && !localizing)
1175 DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1191 if (SvGMAGICAL(sv)) {
1198 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1202 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1208 if (SvTHINKFIRST(sv)) {
1212 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1213 return SvPV(tmpstr,*lp);
1214 #endif /* OVERLOAD */
1219 switch (SvTYPE(sv)) {
1228 case SVt_PVMG: s = "SCALAR"; break;
1229 case SVt_PVLV: s = "LVALUE"; break;
1230 case SVt_PVAV: s = "ARRAY"; break;
1231 case SVt_PVHV: s = "HASH"; break;
1232 case SVt_PVCV: s = "CODE"; break;
1233 case SVt_PVGV: s = "GLOB"; break;
1234 case SVt_PVFM: s = "FORMATLINE"; break;
1235 case SVt_PVIO: s = "FILEHANDLE"; break;
1236 default: s = "UNKNOWN"; break;
1239 sprintf(tokenbuf, "%s=%s(0x%lx)",
1240 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1242 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1248 if (SvREADONLY(sv)) {
1250 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1254 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1263 if (!SvUPGRADE(sv, SVt_PV))
1266 if (SvTYPE(sv) < SVt_PVNV)
1267 sv_upgrade(sv, SVt_PVNV);
1270 olderrno = errno; /* some Xenix systems wipe out errno here */
1272 if (SvNVX(sv) == 0.0)
1273 (void)strcpy(s,"0");
1276 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1278 #ifdef FIXNEGATIVEZERO
1279 if (*s == '-' && s[1] == '0' && !s[2])
1288 else if (SvIOKp(sv)) {
1289 if (SvTYPE(sv) < SVt_PVIV)
1290 sv_upgrade(sv, SVt_PVIV);
1293 olderrno = errno; /* some Xenix systems wipe out errno here */
1294 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1299 if (dowarn && !localizing)
1305 *lp = s - SvPVX(sv);
1308 DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1312 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1313 /* Sneaky stuff here */
1316 sv = sv_newmortal();
1317 *lp = strlen(tokenbuf);
1318 sv_setpvn(sv, tokenbuf, *lp);
1324 #ifdef FIXNEGATIVEZERO
1325 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1326 strcpy(tokenbuf,"0");
1328 (void)SvUPGRADE(sv, SVt_PV);
1329 len = *lp = strlen(tokenbuf);
1330 s = SvGROW(sv, len + 1);
1332 (void)strcpy(s, tokenbuf);
1333 /* NO SvPOK_on(sv) here! */
1338 /* This function is only called on magical items */
1352 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1353 return SvTRUE(tmpsv);
1355 #endif /* OVERLOAD */
1356 return SvRV(sv) != 0;
1360 if ((Xpv = (XPV*)SvANY(sv)) &&
1361 (*Xpv->xpv_pv > '0' ||
1363 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1370 return SvIVX(sv) != 0;
1373 return SvNVX(sv) != 0.0;
1380 /* Note: sv_setsv() should not be called with a source string that needs
1381 * to be reused, since it may destroy the source string if it is marked
1390 register U32 sflags;
1396 if (SvTHINKFIRST(dstr)) {
1397 if (SvREADONLY(dstr) && curcop != &compiling)
1404 stype = SvTYPE(sstr);
1405 dtype = SvTYPE(dstr);
1409 #endif /* OVERLOAD */
1410 /* There's a lot of redundancy below but we're going for speed here */
1414 (void)SvOK_off(dstr);
1417 if (dtype <= SVt_PV) {
1419 sv_upgrade(dstr, SVt_IV);
1420 else if (dtype == SVt_NV)
1421 sv_upgrade(dstr, SVt_PVNV);
1422 else if (dtype <= SVt_PV)
1423 sv_upgrade(dstr, SVt_PVIV);
1427 if (dtype <= SVt_PVIV) {
1429 sv_upgrade(dstr, SVt_NV);
1430 else if (dtype == SVt_PVIV)
1431 sv_upgrade(dstr, SVt_PVNV);
1432 else if (dtype <= SVt_PV)
1433 sv_upgrade(dstr, SVt_PVNV);
1438 sv_upgrade(dstr, SVt_RV);
1442 sv_upgrade(dstr, SVt_PV);
1445 if (dtype < SVt_PVIV)
1446 sv_upgrade(dstr, SVt_PVIV);
1449 if (dtype < SVt_PVNV)
1450 sv_upgrade(dstr, SVt_PVNV);
1453 if (dtype <= SVt_PVGV) {
1454 if (dtype < SVt_PVGV) {
1455 char *name = GvNAME(sstr);
1456 STRLEN len = GvNAMELEN(sstr);
1457 sv_upgrade(dstr, SVt_PVGV);
1458 sv_magic(dstr, dstr, '*', name, len);
1459 GvSTASH(dstr) = GvSTASH(sstr);
1460 GvNAME(dstr) = savepvn(name, len);
1461 GvNAMELEN(dstr) = len;
1462 SvFAKE_on(dstr); /* can coerce to non-glob */
1464 (void)SvOK_off(dstr);
1473 GvGP(dstr) = gp_ref(GvGP(sstr));
1475 GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
1483 sv_upgrade(dstr, stype);
1484 if (SvGMAGICAL(sstr))
1488 sflags = SvFLAGS(sstr);
1490 if (sflags & SVf_ROK) {
1491 if (dtype >= SVt_PV) {
1492 if (dtype == SVt_PVGV) {
1493 SV *sref = SvREFCNT_inc(SvRV(sstr));
1495 int intro = GvFLAGS(dstr) & GVf_INTRO;
1499 GvGP(dstr)->gp_refcnt--;
1500 Newz(602,gp, 1, GP);
1503 GvSV(dstr) = NEWSV(72,0);
1504 GvLINE(dstr) = curcop->cop_line;
1506 GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
1509 switch (SvTYPE(sref)) {
1512 SAVESPTR(GvAV(dstr));
1514 dref = (SV*)GvAV(dstr);
1515 GvAV(dstr) = (AV*)sref;
1519 SAVESPTR(GvHV(dstr));
1521 dref = (SV*)GvHV(dstr);
1522 GvHV(dstr) = (HV*)sref;
1526 SAVESPTR(GvCV(dstr));
1528 CV* cv = GvCV(dstr);
1530 if (dowarn && cv && sref != dref &&
1531 !GvCVGEN((GV*)dstr) &&
1532 (CvROOT(cv) || CvXSUB(cv)) )
1533 warn("Subroutine %s redefined", GvENAME((GV*)dstr));
1535 GvFLAGS(dstr) |= GVf_IMPORTED;
1536 GvCV(dstr) = (CV*)sref;
1540 SAVESPTR(GvSV(dstr));
1542 dref = (SV*)GvSV(dstr);
1554 Safefree(SvPVX(dstr));
1555 SvLEN(dstr)=SvCUR(dstr)=0;
1558 (void)SvOK_off(dstr);
1559 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
1561 if (sflags & SVp_NOK) {
1563 SvNVX(dstr) = SvNVX(sstr);
1565 if (sflags & SVp_IOK) {
1566 (void)SvIOK_on(dstr);
1567 SvIVX(dstr) = SvIVX(sstr);
1570 if (SvAMAGIC(sstr)) {
1573 #endif /* OVERLOAD */
1575 else if (sflags & SVp_POK) {
1578 * Check to see if we can just swipe the string. If so, it's a
1579 * possible small lose on short strings, but a big win on long ones.
1580 * It might even be a win on short strings if SvPVX(dstr)
1581 * has to be allocated and SvPVX(sstr) has to be freed.
1584 if (SvTEMP(sstr)) { /* slated for free anyway? */
1585 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
1586 (void)SvOOK_off(dstr);
1587 Safefree(SvPVX(dstr));
1589 SvPV_set(dstr, SvPVX(sstr));
1590 SvLEN_set(dstr, SvLEN(sstr));
1591 SvCUR_set(dstr, SvCUR(sstr));
1592 (void)SvPOK_only(dstr);
1594 SvPV_set(sstr, Nullch);
1596 SvPOK_off(sstr); /* wipe out any weird flags */
1597 SvPVX(sstr) = 0; /* so sstr frees uneventfully */
1599 else { /* have to copy actual string */
1600 STRLEN len = SvCUR(sstr);
1602 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
1603 Move(SvPVX(sstr),SvPVX(dstr),len,char);
1604 SvCUR_set(dstr, len);
1605 *SvEND(dstr) = '\0';
1606 (void)SvPOK_only(dstr);
1609 if (sflags & SVp_NOK) {
1611 SvNVX(dstr) = SvNVX(sstr);
1613 if (sflags & SVp_IOK) {
1614 (void)SvIOK_on(dstr);
1615 SvIVX(dstr) = SvIVX(sstr);
1618 else if (sflags & SVp_NOK) {
1619 SvNVX(dstr) = SvNVX(sstr);
1620 (void)SvNOK_only(dstr);
1622 (void)SvIOK_on(dstr);
1623 SvIVX(dstr) = SvIVX(sstr);
1626 else if (sflags & SVp_IOK) {
1627 (void)SvIOK_only(dstr);
1628 SvIVX(dstr) = SvIVX(sstr);
1631 (void)SvOK_off(dstr);
1637 sv_setpvn(sv,ptr,len)
1640 register STRLEN len;
1643 if (SvTHINKFIRST(sv)) {
1644 if (SvREADONLY(sv) && curcop != &compiling)
1653 if (!SvUPGRADE(sv, SVt_PV))
1655 SvGROW(sv, len + 1);
1656 Move(ptr,SvPVX(sv),len,char);
1659 (void)SvPOK_only(sv); /* validate pointer */
1668 register STRLEN len;
1670 if (SvTHINKFIRST(sv)) {
1671 if (SvREADONLY(sv) && curcop != &compiling)
1681 if (!SvUPGRADE(sv, SVt_PV))
1683 SvGROW(sv, len + 1);
1684 Move(ptr,SvPVX(sv),len+1,char);
1686 (void)SvPOK_only(sv); /* validate pointer */
1691 sv_usepvn(sv,ptr,len)
1694 register STRLEN len;
1696 if (SvTHINKFIRST(sv)) {
1697 if (SvREADONLY(sv) && curcop != &compiling)
1702 if (!SvUPGRADE(sv, SVt_PV))
1709 Safefree(SvPVX(sv));
1710 Renew(ptr, len+1, char);
1713 SvLEN_set(sv, len+1);
1715 (void)SvPOK_only(sv); /* validate pointer */
1720 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
1724 register STRLEN delta;
1726 if (!ptr || !SvPOKp(sv))
1728 if (SvTHINKFIRST(sv)) {
1729 if (SvREADONLY(sv) && curcop != &compiling)
1734 if (SvTYPE(sv) < SVt_PVIV)
1735 sv_upgrade(sv,SVt_PVIV);
1739 SvFLAGS(sv) |= SVf_OOK;
1741 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
1742 delta = ptr - SvPVX(sv);
1750 sv_catpvn(sv,ptr,len)
1753 register STRLEN len;
1758 junk = SvPV_force(sv, tlen);
1759 SvGROW(sv, tlen + len + 1);
1760 Move(ptr,SvPVX(sv)+tlen,len,char);
1763 (void)SvPOK_only(sv); /* validate pointer */
1776 if (s = SvPV(sstr, len))
1777 sv_catpvn(dstr,s,len);
1785 register STRLEN len;
1791 junk = SvPV_force(sv, tlen);
1793 SvGROW(sv, tlen + len + 1);
1794 Move(ptr,SvPVX(sv)+tlen,len+1,char);
1796 (void)SvPOK_only(sv); /* validate pointer */
1816 sv_upgrade(sv, SVt_PV);
1817 SvGROW(sv, len + 1);
1823 sv_magic(sv, obj, how, name, namlen)
1832 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
1834 if (SvMAGICAL(sv)) {
1835 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
1842 if (!SvUPGRADE(sv, SVt_PVMG))
1845 Newz(702,mg, 1, MAGIC);
1846 mg->mg_moremagic = SvMAGIC(sv);
1849 if (!obj || obj == sv || how == '#')
1852 mg->mg_obj = SvREFCNT_inc(obj);
1853 mg->mg_flags |= MGf_REFCOUNTED;
1856 mg->mg_len = namlen;
1857 if (name && namlen >= 0)
1858 mg->mg_ptr = savepvn(name, namlen);
1861 mg->mg_virtual = &vtbl_sv;
1865 mg->mg_virtual = &vtbl_amagic;
1868 mg->mg_virtual = &vtbl_amagicelem;
1873 #endif /* OVERLOAD */
1875 mg->mg_virtual = &vtbl_bm;
1878 mg->mg_virtual = &vtbl_env;
1881 mg->mg_virtual = &vtbl_envelem;
1884 mg->mg_virtual = &vtbl_mglob;
1887 mg->mg_virtual = &vtbl_isa;
1890 mg->mg_virtual = &vtbl_isaelem;
1897 mg->mg_virtual = &vtbl_dbline;
1900 mg->mg_virtual = &vtbl_pack;
1904 mg->mg_virtual = &vtbl_packelem;
1907 mg->mg_virtual = &vtbl_sig;
1910 mg->mg_virtual = &vtbl_sigelem;
1913 mg->mg_virtual = &vtbl_taint;
1917 mg->mg_virtual = &vtbl_uvar;
1920 mg->mg_virtual = &vtbl_vec;
1923 mg->mg_virtual = &vtbl_substr;
1926 mg->mg_virtual = &vtbl_glob;
1929 mg->mg_virtual = &vtbl_arylen;
1932 mg->mg_virtual = &vtbl_pos;
1934 case '~': /* reserved for extensions but multiple extensions may clash */
1937 croak("Don't know how to handle magic of type '%c'", how);
1941 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
1945 sv_unmagic(sv, type)
1954 for (mg = *mgp; mg; mg = *mgp) {
1955 if (mg->mg_type == type) {
1956 MGVTBL* vtbl = mg->mg_virtual;
1957 *mgp = mg->mg_moremagic;
1958 if (vtbl && vtbl->svt_free)
1959 (*vtbl->svt_free)(sv, mg);
1960 if (mg->mg_ptr && mg->mg_type != 'g')
1961 Safefree(mg->mg_ptr);
1962 if (mg->mg_flags & MGf_REFCOUNTED)
1963 SvREFCNT_dec(mg->mg_obj);
1967 mgp = &mg->mg_moremagic;
1971 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
1978 sv_insert(bigstr,offset,len,little,littlelen)
1987 register char *midend;
1988 register char *bigend;
1992 croak("Can't modify non-existent substring");
1993 SvPV_force(bigstr, na);
1995 i = littlelen - len;
1996 if (i > 0) { /* string might grow */
1997 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
1998 mid = big + offset + len;
1999 midend = bigend = big + SvCUR(bigstr);
2002 while (midend > mid) /* shove everything down */
2003 *--bigend = *--midend;
2004 Move(little,big+offset,littlelen,char);
2010 Move(little,SvPVX(bigstr)+offset,len,char);
2015 big = SvPVX(bigstr);
2018 bigend = big + SvCUR(bigstr);
2020 if (midend > bigend)
2021 croak("panic: sv_insert");
2023 if (mid - big > bigend - midend) { /* faster to shorten from end */
2025 Move(little, mid, littlelen,char);
2028 i = bigend - midend;
2030 Move(midend, mid, i,char);
2034 SvCUR_set(bigstr, mid - big);
2037 else if (i = mid - big) { /* faster from front */
2038 midend -= littlelen;
2040 sv_chop(bigstr,midend-i);
2045 Move(little, mid, littlelen,char);
2047 else if (littlelen) {
2048 midend -= littlelen;
2049 sv_chop(bigstr,midend);
2050 Move(little,midend,littlelen,char);
2053 sv_chop(bigstr,midend);
2058 /* make sv point to what nstr did */
2065 U32 refcnt = SvREFCNT(sv);
2066 if (SvTHINKFIRST(sv)) {
2067 if (SvREADONLY(sv) && curcop != &compiling)
2072 if (SvREFCNT(nsv) != 1)
2073 warn("Reference miscount in sv_replace()");
2074 if (SvMAGICAL(sv)) {
2078 sv_upgrade(nsv, SVt_PVMG);
2079 SvMAGIC(nsv) = SvMAGIC(sv);
2080 SvFLAGS(nsv) |= SvMAGICAL(sv);
2086 StructCopy(nsv,sv,SV);
2087 SvREFCNT(sv) = refcnt;
2096 assert(SvREFCNT(sv) == 0);
2102 if (defstash) { /* Still have a symbol table? */
2103 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2106 SAVEFREESV(SvSTASH(sv));
2107 if (destructor && GvCV(destructor)) {
2111 sv_upgrade(&ref, SVt_RV);
2112 SAVEI32(SvREFCNT(sv));
2113 SvRV(&ref) = SvREFCNT_inc(sv);
2120 perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL);
2121 del_XRV(SvANY(&ref));
2126 SvOBJECT_off(sv); /* Curse the object. */
2127 if (SvTYPE(sv) != SVt_PVIO)
2128 --sv_objcount; /* XXX Might want something more general */
2133 switch (SvTYPE(sv)) {
2135 Safefree(IoTOP_NAME(sv));
2136 Safefree(IoFMT_NAME(sv));
2137 Safefree(IoBOTTOM_NAME(sv));
2153 Safefree(GvNAME(sv));
2160 (void)SvOOK_off(sv);
2165 SvREFCNT_dec(SvRV(sv));
2167 Safefree(SvPVX(sv));
2177 switch (SvTYPE(sv)) {
2193 del_XPVIV(SvANY(sv));
2196 del_XPVNV(SvANY(sv));
2199 del_XPVMG(SvANY(sv));
2202 del_XPVLV(SvANY(sv));
2205 del_XPVAV(SvANY(sv));
2208 del_XPVHV(SvANY(sv));
2211 del_XPVCV(SvANY(sv));
2214 del_XPVGV(SvANY(sv));
2217 del_XPVBM(SvANY(sv));
2220 del_XPVFM(SvANY(sv));
2223 del_XPVIO(SvANY(sv));
2226 SvFLAGS(sv) &= SVf_BREAK;
2227 SvFLAGS(sv) |= SVTYPEMASK;
2245 if (SvREADONLY(sv)) {
2246 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2249 if (SvREFCNT(sv) == 0) {
2250 if (SvFLAGS(sv) & SVf_BREAK)
2252 warn("Attempt to free unreferenced scalar");
2255 if (--SvREFCNT(sv) > 0)
2259 warn("Attempt to free temp prematurely");
2280 junk = SvPV(sv, len);
2299 pv1 = SvPV(str1, cur1);
2304 pv2 = SvPV(str2, cur2);
2309 return !bcmp(pv1, pv2, cur1);
2328 pv1 = SvPV(str1, cur1);
2335 pv2 = SvPV(str2, cur2);
2338 return cur2 ? -1 : 0;
2344 if (retval = memcmp((void*)pv1, (void*)pv2, cur1))
2345 return retval < 0 ? -1 : 1;
2350 else if (retval = memcmp((void*)pv1, (void*)pv2, cur2))
2351 return retval < 0 ? -1 : 1;
2352 else if (cur1 == cur2)
2359 sv_gets(sv,fp,append)
2364 register char *bp; /* we're going to steal some values */
2365 #ifdef USE_STD_STDIO
2366 register I32 cnt; /* from the stdio struct and put EVERYTHING */
2367 register STDCHAR *ptr; /* in the innermost loop into registers */
2371 register I32 newline = rschar;/* (assuming >= 6 registers) */
2374 if (SvTHINKFIRST(sv)) {
2375 if (SvREADONLY(sv) && curcop != &compiling)
2380 if (!SvUPGRADE(sv, SVt_PV))
2382 if (rspara) { /* have to do this both before and after */
2383 do { /* to make sure file boundaries work right */
2395 #ifdef USE_STD_STDIO /* Here is some breathtakingly efficient cheating */
2396 cnt = fp->_cnt; /* get count into register */
2397 (void)SvPOK_only(sv); /* validate pointer */
2398 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
2399 if (cnt > 80 && SvLEN(sv) > append) {
2400 shortbuffered = cnt - SvLEN(sv) + append + 1;
2401 cnt -= shortbuffered;
2405 SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */
2410 bp = SvPVX(sv) + append; /* move these two too to registers */
2415 while (--cnt >= 0) { /* this */ /* eat */
2416 if ((*bp++ = *ptr++) == newline) /* really */ /* dust */
2417 goto thats_all_folks; /* screams */ /* sed :-) */
2421 if (shortbuffered) { /* oh well, must extend */
2422 cnt = shortbuffered;
2424 bpx = bp - SvPVX(sv); /* prepare for possible relocation */
2426 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
2427 bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
2431 fp->_cnt = cnt; /* deregisterize cnt and ptr */
2433 i = _filbuf(fp); /* get more characters */
2435 ptr = fp->_ptr; /* reregisterize cnt and ptr */
2437 if (i == EOF) /* all done for ever? */
2438 goto thats_really_all_folks;
2440 bpx = bp - SvPVX(sv); /* prepare for possible relocation */
2442 SvGROW(sv, bpx + cnt + 2);
2443 bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
2445 if (i == newline) { /* all done for now? */
2447 goto thats_all_folks;
2449 *bp++ = i; /* now go back to screaming loop */
2453 if (rslen > 1 && (bp - SvPVX(sv) < rslen || bcmp(bp - rslen, rs, rslen)))
2454 goto screamer; /* go back to the fray */
2455 thats_really_all_folks:
2457 cnt += shortbuffered;
2458 fp->_cnt = cnt; /* put these back or we're in trouble */
2461 SvCUR_set(sv, bp - SvPVX(sv)); /* set length */
2463 #else /* !USE_STD_STDIO */ /* The big, slow, and stupid way */
2467 register char * bpe = buf + sizeof(buf) - 3;
2471 while ((i = getc(fp)) != EOF && (*bp++ = i) != newline && bp < bpe) ;
2474 sv_catpvn(sv, buf, bp - buf);
2476 sv_setpvn(sv, buf, bp - buf);
2477 if (i != EOF /* joy */
2485 bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rs, rslen)
2496 #endif /* USE_STD_STDIO */
2507 return SvCUR(sv) - append ? SvPVX(sv) : Nullch;
2519 if (SvTHINKFIRST(sv)) {
2520 if (SvREADONLY(sv) && curcop != &compiling)
2524 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
2525 #endif /* OVERLOAD */
2531 flags = SvFLAGS(sv);
2532 if (flags & SVp_IOK) {
2534 (void)SvIOK_only(sv);
2537 if (flags & SVp_NOK) {
2539 (void)SvNOK_only(sv);
2542 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
2543 sv_upgrade(sv, SVt_NV);
2545 (void)SvNOK_only(sv);
2549 while (isALPHA(*d)) d++;
2550 while (isDIGIT(*d)) d++;
2552 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
2556 while (d >= SvPVX(sv)) {
2566 *(d--) -= 'z' - 'a' + 1;
2569 /* oh,oh, the number grew */
2570 SvGROW(sv, SvCUR(sv) + 2);
2572 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
2588 if (SvTHINKFIRST(sv)) {
2589 if (SvREADONLY(sv) && curcop != &compiling)
2593 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
2594 #endif /* OVERLOAD */
2600 flags = SvFLAGS(sv);
2601 if (flags & SVp_IOK) {
2603 (void)SvIOK_only(sv);
2606 if (flags & SVp_NOK) {
2608 (void)SvNOK_only(sv);
2611 if (!(flags & SVp_POK)) {
2612 sv_upgrade(sv, SVt_NV);
2614 (void)SvNOK_only(sv);
2617 sv_setnv(sv,atof(SvPVX(sv)) - 1.0);
2620 /* Make a string that will exist for the duration of the expression
2621 * evaluation. Actually, it may have to last longer than that, but
2622 * hopefully we won't free it until it has been assigned to a
2623 * permanent location. */
2629 Renew(tmps_stack, tmps_max, SV*);
2633 sv_mortalcopy(oldstr)
2642 sv_setsv(sv,oldstr);
2643 if (++tmps_ix >= tmps_max)
2645 tmps_stack[tmps_ix] = sv;
2658 SvFLAGS(sv) = SVs_TEMP;
2659 if (++tmps_ix >= tmps_max)
2661 tmps_stack[tmps_ix] = sv;
2665 /* same thing without the copying */
2673 if (SvREADONLY(sv) && curcop != &compiling)
2675 if (++tmps_ix >= tmps_max)
2677 tmps_stack[tmps_ix] = sv;
2695 sv_setpvn(sv,s,len);
2737 sv_upgrade(sv, SVt_RV);
2739 SvRV(sv) = SvREFCNT_inc(ref);
2744 /* make an exact duplicate of old */
2754 if (SvTYPE(old) == SVTYPEMASK) {
2755 warn("semi-panic: attempt to dup freed string");
2785 if (!*s) { /* reset ?? searches */
2786 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
2787 pm->op_pmflags &= ~PMf_USED;
2792 /* reset variables */
2794 if (!HvARRAY(stash))
2797 Zero(todo, 256, char);
2804 for ( ; i <= max; i++) {
2807 for (i = 0; i <= (I32) HvMAX(stash); i++) {
2808 for (entry = HvARRAY(stash)[i];
2810 entry = entry->hent_next) {
2811 if (!todo[(U8)*entry->hent_key])
2813 gv = (GV*)entry->hent_val;
2816 if (SvTYPE(sv) >= SVt_PV) {
2819 if (SvPVX(sv) != Nullch)
2826 if (HvNAME(GvHV(gv)))
2829 #ifndef VMS /* VMS has no environ array */
2831 environ[0] = Nullch;
2840 sv_2cv(sv, st, gvp, lref)
2850 return *gvp = Nullgv, Nullcv;
2851 switch (SvTYPE(sv)) {
2871 if (SvTYPE(cv) != SVt_PVCV)
2872 croak("Not a subroutine reference");
2880 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
2886 if (lref && !GvCV(gv)) {
2889 gv_efullname(sv, gv);
2890 newSUB(start_subparse(),
2891 newSVOP(OP_CONST, 0, sv),
2910 if ((Xpv = (XPV*)SvANY(sv)) &&
2911 (*Xpv->xpv_pv > '0' ||
2913 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
2920 return SvIVX(sv) != 0;
2923 return SvNVX(sv) != 0.0;
2925 return sv_2bool(sv);
2949 return (double)SvIVX(Sv);
2964 return sv_2pv(sv, lp);
2969 sv_pvn_force(sv, lp)
2975 if (SvREADONLY(sv) && curcop != &compiling)
2982 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
2986 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
2987 op_name[op->op_type]);
2990 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
2995 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
2996 SvGROW(sv, len + 1);
2997 Move(s,SvPVX(sv),len,char);
3002 SvPOK_on(sv); /* validate pointer */
3004 DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",
3005 (unsigned long)sv,SvPVX(sv)));
3016 if (ob && SvOBJECT(sv))
3017 return HvNAME(SvSTASH(sv));
3019 switch (SvTYPE(sv)) {
3033 case SVt_PVLV: return "LVALUE";
3034 case SVt_PVAV: return "ARRAY";
3035 case SVt_PVHV: return "HASH";
3036 case SVt_PVCV: return "CODE";
3037 case SVt_PVGV: return "GLOB";
3038 case SVt_PVFM: return "FORMLINE";
3039 default: return "UNKNOWN";
3067 return strEQ(HvNAME(SvSTASH(sv)), name);
3071 newSVrv(rv, classname)
3081 sv_upgrade(rv, SVt_RV);
3082 SvRV(rv) = SvREFCNT_inc(sv);
3086 HV* stash = gv_stashpv(classname, TRUE);
3087 (void)sv_bless(rv, stash);
3093 sv_setref_pv(rv, classname, pv)
3099 sv_setsv(rv, &sv_undef);
3101 sv_setiv(newSVrv(rv,classname), (IV)pv);
3106 sv_setref_iv(rv, classname, iv)
3111 sv_setiv(newSVrv(rv,classname), iv);
3116 sv_setref_nv(rv, classname, nv)
3121 sv_setnv(newSVrv(rv,classname), nv);
3126 sv_setref_pvn(rv, classname, pv, n)
3132 sv_setpvn(newSVrv(rv,classname), pv, n);
3143 croak("Can't bless non-reference value");
3145 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3146 if (SvREADONLY(ref))
3148 if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
3153 (void)SvUPGRADE(ref, SVt_PVMG);
3154 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3158 if (Gv_AMG(stash)) {
3161 #endif /* OVERLOAD */
3170 assert(SvTYPE(sv) == SVt_PVGV);
3174 sv_unmagic(sv, '*');
3175 Safefree(GvNAME(sv));
3176 SvFLAGS(sv) &= ~SVTYPEMASK;
3177 SvFLAGS(sv) |= SVt_PVMG;
3202 fprintf(stderr, "SV = 0\n");
3206 flags = SvFLAGS(sv);
3209 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
3210 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
3212 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
3213 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
3214 if (flags & SVs_PADMY) strcat(d, "PADMY,");
3215 if (flags & SVs_TEMP) strcat(d, "TEMP,");
3216 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
3217 if (flags & SVs_GMG) strcat(d, "GMG,");
3218 if (flags & SVs_SMG) strcat(d, "SMG,");
3219 if (flags & SVs_RMG) strcat(d, "RMG,");
3222 if (flags & SVf_IOK) strcat(d, "IOK,");
3223 if (flags & SVf_NOK) strcat(d, "NOK,");
3224 if (flags & SVf_POK) strcat(d, "POK,");
3225 if (flags & SVf_ROK) strcat(d, "ROK,");
3226 if (flags & SVf_OOK) strcat(d, "OOK,");
3227 if (flags & SVf_FAKE) strcat(d, "FAKE,");
3228 if (flags & SVf_READONLY) strcat(d, "READONLY,");
3231 if (flags & SVp_IOK) strcat(d, "pIOK,");
3232 if (flags & SVp_NOK) strcat(d, "pNOK,");
3233 if (flags & SVp_POK) strcat(d, "pPOK,");
3234 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
3241 fprintf(stderr, "SV = ");
3244 fprintf(stderr,"NULL%s\n", tmpbuf);
3247 fprintf(stderr,"IV%s\n", tmpbuf);
3250 fprintf(stderr,"NV%s\n", tmpbuf);
3253 fprintf(stderr,"RV%s\n", tmpbuf);
3256 fprintf(stderr,"PV%s\n", tmpbuf);
3259 fprintf(stderr,"PVIV%s\n", tmpbuf);
3262 fprintf(stderr,"PVNV%s\n", tmpbuf);
3265 fprintf(stderr,"PVBM%s\n", tmpbuf);
3268 fprintf(stderr,"PVMG%s\n", tmpbuf);
3271 fprintf(stderr,"PVLV%s\n", tmpbuf);
3274 fprintf(stderr,"PVAV%s\n", tmpbuf);
3277 fprintf(stderr,"PVHV%s\n", tmpbuf);
3280 fprintf(stderr,"PVCV%s\n", tmpbuf);
3283 fprintf(stderr,"PVGV%s\n", tmpbuf);
3286 fprintf(stderr,"PVFM%s\n", tmpbuf);
3289 fprintf(stderr,"PVIO%s\n", tmpbuf);
3292 fprintf(stderr,"UNKNOWN%s\n", tmpbuf);
3295 if (type >= SVt_PVIV || type == SVt_IV)
3296 fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv));
3297 if (type >= SVt_PVNV || type == SVt_NV)
3298 fprintf(stderr, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
3300 fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv));
3306 if (type <= SVt_PVLV) {
3308 fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
3309 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
3311 fprintf(stderr, " PV = 0\n");
3313 if (type >= SVt_PVMG) {
3315 fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
3318 fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv)));
3322 fprintf(stderr, " TYPE = %c\n", LvTYPE(sv));
3323 fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
3324 fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
3325 fprintf(stderr, " TARG = 0x%lx\n", (long)LvTARG(sv));
3326 sv_dump(LvTARG(sv));
3329 fprintf(stderr, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
3330 fprintf(stderr, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
3331 fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv));
3332 fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv));
3333 fprintf(stderr, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
3335 fprintf(stderr, " FLAGS = (REAL)\n");
3337 fprintf(stderr, " FLAGS = ()\n");
3340 fprintf(stderr, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
3341 fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv));
3342 fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv));
3343 fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv));
3344 fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv));
3345 fprintf(stderr, " EITER = 0x%lx\n",(long) HvEITER(sv));
3347 fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
3349 fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv));
3353 fprintf(stderr, " STASH = 0x%lx\n", (long)CvSTASH(sv));
3354 fprintf(stderr, " START = 0x%lx\n", (long)CvSTART(sv));
3355 fprintf(stderr, " ROOT = 0x%lx\n", (long)CvROOT(sv));
3356 fprintf(stderr, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
3357 fprintf(stderr, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
3358 fprintf(stderr, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
3359 fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv));
3360 fprintf(stderr, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
3361 fprintf(stderr, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
3362 if (type == SVt_PVFM)
3363 fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv));
3366 fprintf(stderr, " NAME = %s\n", GvNAME(sv));
3367 fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
3368 fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
3369 fprintf(stderr, " GP = 0x%lx\n", (long)GvGP(sv));
3370 fprintf(stderr, " SV = 0x%lx\n", (long)GvSV(sv));
3371 fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv));
3372 fprintf(stderr, " IO = 0x%lx\n", (long)GvIOp(sv));
3373 fprintf(stderr, " FORM = 0x%lx\n", (long)GvFORM(sv));
3374 fprintf(stderr, " AV = 0x%lx\n", (long)GvAV(sv));
3375 fprintf(stderr, " HV = 0x%lx\n", (long)GvHV(sv));
3376 fprintf(stderr, " CV = 0x%lx\n", (long)GvCV(sv));
3377 fprintf(stderr, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
3378 fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
3379 fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv));
3380 fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
3381 fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
3382 fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv));
3385 fprintf(stderr, " IFP = 0x%lx\n", (long)IoIFP(sv));
3386 fprintf(stderr, " OFP = 0x%lx\n", (long)IoOFP(sv));
3387 fprintf(stderr, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
3388 fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv));
3389 fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv));
3390 fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
3391 fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
3392 fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv));
3393 fprintf(stderr, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
3394 fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv));
3395 fprintf(stderr, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
3396 fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv));
3397 fprintf(stderr, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
3398 fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
3399 fprintf(stderr, " TYPE = %c\n", IoTYPE(sv));
3400 fprintf(stderr, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
3419 switch (SvTYPE(sv)) {
3427 croak("Bad filehandle: %s", GvNAME(gv));
3431 croak(no_usym, "filehandle");
3433 return sv_2io(SvRV(sv));
3434 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
3440 croak("Bad filehandle: %s", SvPV(sv,na));