diff options
Diffstat (limited to 'sv.c')
-rw-r--r-- | sv.c | 1395 |
1 files changed, 898 insertions, 497 deletions
@@ -1,56 +1,67 @@ -/* $RCSfile: sv.c,v $$Revision: 4.1 $$Date: 92/08/07 18:26:45 $ +/* sv.c * - * Copyright (c) 1991, Larry Wall + * Copyright (c) 1991-1994, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * - * $Log: sv.c,v $ - * Revision 4.1 92/08/07 18:26:45 lwall - * - * Revision 4.0.1.6 92/06/11 21:14:21 lwall - * patch34: quotes containing subscripts containing variables didn't parse right - * - * Revision 4.0.1.5 92/06/08 15:40:43 lwall - * patch20: removed implicit int declarations on functions - * patch20: Perl now distinguishes overlapped copies from non-overlapped - * patch20: paragraph mode now skips extra newlines automatically - * patch20: fixed memory leak in doube-quote interpretation - * patch20: made /\$$foo/ look for literal '$foo' - * patch20: "$var{$foo'bar}" didn't scan subscript correctly - * patch20: a splice on non-existent array elements could dump core - * patch20: running taintperl explicitly now does checks even if $< == $> - * - * Revision 4.0.1.4 91/11/05 18:40:51 lwall - * patch11: $foo .= <BAR> could overrun malloced memory - * patch11: \$ didn't always make it through double-quoter to regexp routines - * patch11: prepared for ctype implementations that don't define isascii() - * - * Revision 4.0.1.3 91/06/10 01:27:54 lwall - * patch10: $) and $| incorrectly handled in run-time patterns - * - * Revision 4.0.1.2 91/06/07 11:58:13 lwall - * patch4: new copyright notice - * patch4: taint check on undefined string could cause core dump - * - * Revision 4.0.1.1 91/04/12 09:15:30 lwall - * patch1: fixed undefined environ problem - * patch1: substr($ENV{"PATH"},0,0) = "/foo:" didn't modify environment - * patch1: $foo .= <BAR> could cause core dump for certain lengths of $foo - * - * Revision 4.0 91/03/20 01:39:55 lwall - * 4.0 baseline. - * + */ + +/* + * "I wonder what the Entish is for 'yes' and 'no'," he thought. */ #include "EXTERN.h" #include "perl.h" -#include "perly.h" -static void ucase(); -static void lcase(); +/* The following is all to get DBL_DIG, in order to pick a nice + default value for printing floating point numbers in Gconvert. + (see config.h) +*/ +#ifdef I_LIMITS +#include <limits.h> +#endif +#ifdef I_FLOAT +#include <float.h> +#endif +#ifndef HAS_DBL_DIG +#define DBL_DIG 15 /* A guess that works lots of places */ +#endif + +static SV *more_sv _((void)); +static XPVIV *more_xiv _((void)); +static XPVNV *more_xnv _((void)); +static XPV *more_xpv _((void)); +static XRV *more_xrv _((void)); +static SV *new_sv _((void)); +static XPVIV *new_xiv _((void)); +static XPVNV *new_xnv _((void)); +static XPV *new_xpv _((void)); +static XRV *new_xrv _((void)); +static void del_xiv _((XPVIV* p)); +static void del_xnv _((XPVNV* p)); +static void del_xpv _((XPV* p)); +static void del_xrv _((XRV* p)); +static void sv_mortalgrow _((void)); + +static void sv_unglob _((SV* sv)); + +#ifdef PURIFY -static SV* more_sv(); +#define new_SV() sv = (SV*)safemalloc(sizeof(SV)) +#define del_SV(p) free((char*)p) + +#else + +#define new_SV() \ + if (sv_root) { \ + sv = sv_root; \ + sv_root = (SV*)SvANY(sv); \ + ++sv_count; \ + } \ + else \ + sv = more_sv(); +#endif static SV* new_sv() @@ -65,19 +76,49 @@ new_sv() return more_sv(); } +#ifdef DEBUGGING +#define del_SV(p) \ + if (debug & 32768) \ + del_sv(p); \ + else { \ + SvANY(p) = (void *)sv_root; \ + sv_root = p; \ + --sv_count; \ + } + static void del_sv(p) SV* p; { - SvANY(p) = sv_root; + if (debug & 32768) { + SV* sv; + SV* svend; + int ok = 0; + for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(svend)) { + svend = &sv[1008 / sizeof(SV)]; + if (p >= sv && p < svend) + ok = 1; + } + if (!ok) { + warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); + return; + } + } + SvANY(p) = (void *) sv_root; sv_root = p; --sv_count; } +#else +#define del_SV(p) \ + SvANY(p) = (void *)sv_root; \ + sv_root = p; \ + --sv_count; + +#endif static SV* more_sv() { - register int i; register SV* sv; register SV* svend; sv_root = (SV*)safemalloc(1012); @@ -85,13 +126,13 @@ more_sv() Zero(sv, 1012, char); svend = &sv[1008 / sizeof(SV) - 1]; while (sv < svend) { - SvANY(sv) = (SV*)(sv + 1); + SvANY(sv) = (void *)(SV*)(sv + 1); SvFLAGS(sv) = SVTYPEMASK; sv++; } SvANY(sv) = 0; sv++; - SvANY(sv) = sv_arenaroot; + SvANY(sv) = (void *) sv_arenaroot; sv_arenaroot = sv_root; return new_sv(); } @@ -102,7 +143,7 @@ sv_report_used() SV* sv; register SV* svend; - for (sv = sv_arenaroot; sv; sv = SvANY(sv)) { + for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { svend = &sv[1008 / sizeof(SV)]; while (sv < svend) { if (SvTYPE(sv) != SVTYPEMASK) { @@ -115,22 +156,23 @@ sv_report_used() } void -sv_clean_refs() +sv_clean_objs() { register SV* sv; register SV* svend; + SV* rv; - for (sv = sv_arenaroot; sv; sv = SvANY(sv)) { + for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { svend = &sv[1008 / sizeof(SV)]; while (sv < svend) { - if (SvREFCNT(sv) == 1 && SvROK(sv)) { - DEBUG_D((fprintf(stderr, "Cleaning ref:\n "), sv_dump(sv));) - SvFLAGS(SvRV(sv)) |= SVf_BREAK; - SvFLAGS(sv) |= SVf_BREAK; - SvREFCNT_dec(sv); - assert(sv_root == sv); - sv_root = (SV*)SvANY(sv); /* MUST NOT REUSE */ + if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { + DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "), + sv_dump(sv));) + SvROK_off(sv); + SvRV(sv) = 0; + SvREFCNT_dec(rv); } + /* XXX Might want to check arrays, etc. */ ++sv; } } @@ -142,7 +184,7 @@ sv_clean_all() register SV* sv; register SV* svend; - for (sv = sv_arenaroot; sv; sv = SvANY(sv)) { + for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { svend = &sv[1008 / sizeof(SV)]; while (sv < svend) { if (SvTYPE(sv) != SVTYPEMASK) { @@ -155,18 +197,16 @@ sv_clean_all() } } -static XPVIV* more_xiv(); - static XPVIV* new_xiv() { - I32** xiv; + IV** xiv; if (xiv_root) { xiv = xiv_root; /* * See comment in more_xiv() -- RAM. */ - xiv_root = (I32**)*xiv; + xiv_root = (IV**)*xiv; return (XPVIV*)((char*)xiv - sizeof(XPV)); } return more_xiv(); @@ -176,30 +216,32 @@ static void del_xiv(p) XPVIV* p; { - I32** xiv = (I32**)((char*)(p) + sizeof(XPV)); - *xiv = (I32 *)xiv_root; + IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); + *xiv = (IV *)xiv_root; xiv_root = xiv; } static XPVIV* more_xiv() { - register I32** xiv; - register I32** xivend; - xiv = (I32**)safemalloc(1008); - xivend = &xiv[1008 / sizeof(I32 *) - 1]; - xiv += (sizeof(XPV) - 1) / sizeof(I32 *) + 1; /* fudge by size of XPV */ + register IV** xiv; + register IV** xivend; + XPV* ptr = (XPV*)safemalloc(1008); + ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ + xiv_arenaroot = ptr; /* to keep Purify happy */ + + xiv = (IV**) ptr; + xivend = &xiv[1008 / sizeof(IV *) - 1]; + xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ xiv_root = xiv; while (xiv < xivend) { - *xiv = (I32 *)(xiv + 1); + *xiv = (IV *)(xiv + 1); xiv++; } *xiv = 0; return new_xiv(); } -static XPVNV* more_xnv(); - static XPVNV* new_xnv() { @@ -224,7 +266,6 @@ XPVNV* p; static XPVNV* more_xnv() { - register int i; register double* xnv; register double* xnvend; xnv = (double*)safemalloc(1008); @@ -239,8 +280,6 @@ more_xnv() return new_xnv(); } -static XRV* more_xrv(); - static XRV* new_xrv() { @@ -264,7 +303,6 @@ XRV* p; static XRV* more_xrv() { - register int i; register XRV* xrv; register XRV* xrvend; xrv_root = (XRV*)safemalloc(1008); @@ -278,8 +316,6 @@ more_xrv() return new_xrv(); } -static XPV* more_xpv(); - static XPV* new_xpv() { @@ -303,7 +339,6 @@ XPV* p; static XPV* more_xpv() { - register int i; register XPV* xpv; register XPV* xpvend; xpv_root = (XPV*)safemalloc(1008); @@ -318,28 +353,6 @@ more_xpv() } #ifdef PURIFY - -#define new_SV() sv = (SV*)safemalloc(sizeof(SV)) -#define del_SV(p) free((char*)p) - -#else - -#define new_SV() \ - if (sv_root) { \ - sv = sv_root; \ - sv_root = (SV*)SvANY(sv); \ - ++sv_count; \ - } \ - else \ - sv = more_sv(); -#define del_SV(p) \ - SvANY(p) = sv_root; \ - sv_root = p; \ - --sv_count; - -#endif - -#ifdef PURIFY #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) #define del_XIV(p) free((char*)p) #else @@ -412,7 +425,7 @@ U32 mt; char* pv; U32 cur; U32 len; - I32 iv; + IV iv; double nv; MAGIC* magic; HV* stash; @@ -461,7 +474,7 @@ U32 mt; pv = (char*)SvRV(sv); cur = 0; len = 0; - iv = (I32)pv; + iv = (IV)pv; nv = (double)(unsigned long)pv; del_XRV(SvANY(sv)); magic = 0; @@ -528,7 +541,6 @@ U32 mt; case SVt_RV: SvANY(sv) = new_XRV(); SvRV(sv) = (SV*)pv; - SvOK_on(sv); break; case SVt_PV: SvANY(sv) = new_XPV(); @@ -543,7 +555,7 @@ U32 mt; SvLEN(sv) = len; SvIVX(sv) = iv; if (SvNIOK(sv)) - SvIOK_on(sv); + (void)SvIOK_on(sv); SvNOK_off(sv); break; case SVt_PVNV: @@ -621,12 +633,12 @@ U32 mt; CvSTASH(sv) = 0; CvSTART(sv) = 0; CvROOT(sv) = 0; - CvUSERSUB(sv) = 0; - CvUSERINDEX(sv) = 0; + CvXSUB(sv) = 0; + CvXSUBANY(sv).any_ptr = 0; CvFILEGV(sv) = 0; CvDEPTH(sv) = 0; CvPADLIST(sv) = 0; - CvDELETED(sv) = 0; + CvOLDSTYLE(sv) = 0; break; case SVt_PVGV: SvANY(sv) = new_XPVGV(); @@ -698,109 +710,152 @@ U32 mt; return TRUE; } +#ifdef DEBUGGING char * sv_peek(sv) register SV *sv; { char *t = tokenbuf; - *t = '\0'; + int unref = 0; retry: if (!sv) { strcpy(t, "VOID"); - return tokenbuf; + goto finish; } else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { strcpy(t, "WILD"); - return tokenbuf; + goto finish; + } + else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { + if (sv == &sv_undef) { + strcpy(t, "SV_UNDEF"); + if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| + SVs_GMG|SVs_SMG|SVs_RMG)) && + SvREADONLY(sv)) + goto finish; + } + else if (sv == &sv_no) { + strcpy(t, "SV_NO"); + if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| + SVs_GMG|SVs_SMG|SVs_RMG)) && + !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| + SVp_POK|SVp_NOK)) && + SvCUR(sv) == 0 && + SvNVX(sv) == 0.0) + goto finish; + } + else { + strcpy(t, "SV_YES"); + if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| + SVs_GMG|SVs_SMG|SVs_RMG)) && + !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| + SVp_POK|SVp_NOK)) && + SvCUR(sv) == 1 && + SvPVX(sv) && *SvPVX(sv) == '1' && + SvNVX(sv) == 1.0) + goto finish; + } + t += strlen(t); + *t++ = ':'; } - else if (SvREFCNT(sv) == 0 && !SvREADONLY(sv)) { - strcpy(t, "UNREF"); - return tokenbuf; + else if (SvREFCNT(sv) == 0) { + *t++ = '('; + unref++; } - else { - switch (SvTYPE(sv)) { - default: - strcpy(t,"FREED"); - return tokenbuf; - break; - - case SVt_NULL: - strcpy(t,"UNDEF"); - return tokenbuf; - case SVt_IV: - strcpy(t,"IV"); - break; - case SVt_NV: - strcpy(t,"NV"); - break; - case SVt_RV: - *t++ = '\\'; - if (t - tokenbuf > 10) { - strcpy(tokenbuf + 3,"..."); - return tokenbuf; - } - sv = (SV*)SvRV(sv); - goto retry; - case SVt_PV: - strcpy(t,"PV"); - break; - case SVt_PVIV: - strcpy(t,"PVIV"); - break; - case SVt_PVNV: - strcpy(t,"PVNV"); - break; - case SVt_PVMG: - strcpy(t,"PVMG"); - break; - case SVt_PVLV: - strcpy(t,"PVLV"); - break; - case SVt_PVAV: - strcpy(t,"AV"); - break; - case SVt_PVHV: - strcpy(t,"HV"); - break; - case SVt_PVCV: - if (CvGV(sv)) - sprintf(t, "CV(%s)", GvNAME(CvGV(sv))); - else - strcpy(t, "CV()"); - return tokenbuf; - case SVt_PVGV: - strcpy(t,"GV"); - break; - case SVt_PVBM: - strcpy(t,"BM"); - break; - case SVt_PVFM: - strcpy(t,"FM"); - break; - case SVt_PVIO: - strcpy(t,"IO"); - break; + if (SvROK(sv)) { + *t++ = '\\'; + if (t - tokenbuf + unref > 10) { + strcpy(tokenbuf + unref + 3,"..."); + goto finish; } + sv = (SV*)SvRV(sv); + goto retry; + } + switch (SvTYPE(sv)) { + default: + strcpy(t,"FREED"); + goto finish; + + case SVt_NULL: + strcpy(t,"UNDEF"); + return tokenbuf; + case SVt_IV: + strcpy(t,"IV"); + break; + case SVt_NV: + strcpy(t,"NV"); + break; + case SVt_RV: + strcpy(t,"RV"); + break; + case SVt_PV: + strcpy(t,"PV"); + break; + case SVt_PVIV: + strcpy(t,"PVIV"); + break; + case SVt_PVNV: + strcpy(t,"PVNV"); + break; + case SVt_PVMG: + strcpy(t,"PVMG"); + break; + case SVt_PVLV: + strcpy(t,"PVLV"); + break; + case SVt_PVAV: + strcpy(t,"AV"); + break; + case SVt_PVHV: + strcpy(t,"HV"); + break; + case SVt_PVCV: + if (CvGV(sv)) + sprintf(t, "CV(%s)", GvNAME(CvGV(sv))); + else + strcpy(t, "CV()"); + goto finish; + case SVt_PVGV: + strcpy(t,"GV"); + break; + case SVt_PVBM: + strcpy(t,"BM"); + break; + case SVt_PVFM: + strcpy(t,"FM"); + break; + case SVt_PVIO: + strcpy(t,"IO"); + break; } t += strlen(t); - if (SvPOK(sv)) { + if (SvPOKp(sv)) { if (!SvPVX(sv)) - return "(null)"; + strcpy(t, "(null)"); if (SvOOK(sv)) sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); else sprintf(t,"(\"%.127s\")",SvPVX(sv)); } - else if (SvNOK(sv)) + else if (SvNOKp(sv)) sprintf(t,"(%g)",SvNVX(sv)); - else if (SvIOK(sv)) + else if (SvIOKp(sv)) sprintf(t,"(%ld)",(long)SvIVX(sv)); else strcpy(t,"()"); + + finish: + if (unref) { + t += strlen(t); + while (unref--) + *t++ = ')'; + *t = '\0'; + } return tokenbuf; } +#endif int sv_backoff(sv) @@ -815,6 +870,7 @@ register SV *sv; Move(s, SvPVX(sv), SvCUR(sv)+1, char); } SvFLAGS(sv) &= ~SVf_OOK; + return 0; } char * @@ -834,10 +890,8 @@ unsigned long newlen; my_exit(1); } #endif /* MSDOS */ - if (SvTHINKFIRST(sv)) { - if (SvROK(sv)) - sv_unref(sv); - } + if (SvROK(sv)) + sv_unref(sv); if (SvTYPE(sv) < SVt_PV) { sv_upgrade(sv, SVt_PV); s = SvPVX(sv); @@ -864,7 +918,7 @@ unsigned long newlen; void sv_setiv(sv,i) register SV *sv; -I32 i; +IV i; { if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) @@ -883,9 +937,23 @@ I32 i; case SVt_PV: sv_upgrade(sv, SVt_PVIV); break; + + case SVt_PVGV: + if (SvFAKE(sv)) { + sv_unglob(sv); + break; + } + /* FALL THROUGH */ + case SVt_PVAV: + case SVt_PVHV: + case SVt_PVCV: + case SVt_PVFM: + case SVt_PVIO: + croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), + op_name[op->op_type]); } SvIVX(sv) = i; - SvIOK_only(sv); /* validate number */ + (void)SvIOK_only(sv); /* validate number */ SvTAINT(sv); } @@ -900,19 +968,81 @@ double num; if (SvROK(sv)) sv_unref(sv); } - if (SvTYPE(sv) < SVt_NV) + switch (SvTYPE(sv)) { + case SVt_NULL: + case SVt_IV: sv_upgrade(sv, SVt_NV); - else if (SvTYPE(sv) < SVt_PVNV) + break; + case SVt_NV: + case SVt_RV: + case SVt_PV: + case SVt_PVIV: sv_upgrade(sv, SVt_PVNV); - else if (SvPOK(sv)) { - SvOOK_off(sv); + /* FALL THROUGH */ + case SVt_PVNV: + case SVt_PVMG: + case SVt_PVBM: + case SVt_PVLV: + if (SvOOK(sv)) + (void)SvOOK_off(sv); + break; + case SVt_PVGV: + if (SvFAKE(sv)) { + sv_unglob(sv); + break; + } + /* FALL THROUGH */ + case SVt_PVAV: + case SVt_PVHV: + case SVt_PVCV: + case SVt_PVFM: + case SVt_PVIO: + croak("Can't coerce %s to number in %s", sv_reftype(sv,0), + op_name[op->op_type]); } SvNVX(sv) = num; - SvNOK_only(sv); /* validate number */ + (void)SvNOK_only(sv); /* validate number */ SvTAINT(sv); } -I32 +static void +not_a_number(sv) +SV *sv; +{ + char tmpbuf[64]; + char *d = tmpbuf; + char *s; + int i; + + for (s = SvPVX(sv), i = 50; *s && i; s++,i--) { + int ch = *s; + if (ch & 128 && !isprint(ch)) { + *d++ = 'M'; + *d++ = '-'; + ch &= 127; + } + if (isprint(ch)) + *d++ = ch; + else { + *d++ = '^'; + *d++ = ch ^ 64; + } + } + if (*s) { + *d++ = '.'; + *d++ = '.'; + *d++ = '.'; + } + *d = '\0'; + + if (op) + warn("Argument \"%s\" isn't numeric for %s", tmpbuf, + op_name[op->op_type]); + else + warn("Argument \"%s\" isn't numeric", tmpbuf); +} + +IV sv_2iv(sv) register SV *sv; { @@ -923,19 +1053,31 @@ register SV *sv; if (SvIOKp(sv)) return SvIVX(sv); if (SvNOKp(sv)) - return (I32)SvNVX(sv); - if (SvPOKp(sv) && SvLEN(sv)) - return (I32)atol(SvPVX(sv)); + return I_V(SvNVX(sv)); + if (SvPOKp(sv) && SvLEN(sv)) { + if (dowarn && !looks_like_number(sv)) + not_a_number(sv); + return (IV)atol(SvPVX(sv)); + } return 0; } if (SvTHINKFIRST(sv)) { - if (SvROK(sv)) - return (I32)SvRV(sv); + if (SvROK(sv)) { +#ifdef OVERLOAD + SV* tmpstr; + if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) + return SvIV(tmpstr); +#endif /* OVERLOAD */ + return (IV)SvRV(sv); + } if (SvREADONLY(sv)) { if (SvNOK(sv)) - return (I32)SvNVX(sv); - if (SvPOK(sv) && SvLEN(sv)) - return (I32)atol(SvPVX(sv)); + return I_V(SvNVX(sv)); + if (SvPOK(sv) && SvLEN(sv)) { + if (dowarn && !looks_like_number(sv)) + not_a_number(sv); + return (IV)atol(SvPVX(sv)); + } if (dowarn) warn(warn_uninit); return 0; @@ -953,24 +1095,20 @@ register SV *sv; break; } if (SvNOK(sv)) - SvIVX(sv) = (I32)SvNVX(sv); + SvIVX(sv) = I_V(SvNVX(sv)); else if (SvPOK(sv) && SvLEN(sv)) { - if (dowarn && !looks_like_number(sv)) { - if (op) - warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]); - else - warn("Argument wasn't numeric"); - } - SvIVX(sv) = (I32)atol(SvPVX(sv)); + if (dowarn && !looks_like_number(sv)) + not_a_number(sv); + SvIVX(sv) = (IV)atol(SvPVX(sv)); } else { - if (dowarn) + if (dowarn && !localizing) warn(warn_uninit); - SvUPGRADE(sv, SVt_IV); - SvIVX(sv) = 0; + return 0; } - SvIOK_on(sv); - DEBUG_c((stderr,"0x%lx 2iv(%ld)\n",sv,(long)SvIVX(sv))); + (void)SvIOK_on(sv); + DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n", + (unsigned long)sv,(long)SvIVX(sv))); return SvIVX(sv); } @@ -984,18 +1122,30 @@ register SV *sv; mg_get(sv); if (SvNOKp(sv)) return SvNVX(sv); - if (SvPOKp(sv) && SvLEN(sv)) + if (SvPOKp(sv) && SvLEN(sv)) { + if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) + not_a_number(sv); return atof(SvPVX(sv)); + } if (SvIOKp(sv)) return (double)SvIVX(sv); return 0; } if (SvTHINKFIRST(sv)) { - if (SvROK(sv)) - return (double)(unsigned long)SvRV(sv); + if (SvROK(sv)) { +#ifdef OVERLOAD + SV* tmpstr; + if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) + return SvNV(tmpstr); +#endif /* OVERLOAD */ + return (double)(unsigned long)SvRV(sv); + } if (SvREADONLY(sv)) { - if (SvPOK(sv) && SvLEN(sv)) + if (SvPOK(sv) && SvLEN(sv)) { + if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) + not_a_number(sv); return atof(SvPVX(sv)); + } if (SvIOK(sv)) return (double)SvIVX(sv); if (dowarn) @@ -1008,7 +1158,7 @@ register SV *sv; sv_upgrade(sv, SVt_PVNV); else sv_upgrade(sv, SVt_NV); - DEBUG_c((stderr,"0x%lx num(%g)\n",sv,SvNVX(sv))); + DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); } else if (SvTYPE(sv) < SVt_PVNV) sv_upgrade(sv, SVt_PVNV); @@ -1018,21 +1168,17 @@ register SV *sv; SvNVX(sv) = (double)SvIVX(sv); } else if (SvPOK(sv) && SvLEN(sv)) { - if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) { - if (op) - warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]); - else - warn("Argument wasn't numeric"); - } + if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) + not_a_number(sv); SvNVX(sv) = atof(SvPVX(sv)); } else { - if (dowarn) + if (dowarn && !localizing) warn(warn_uninit); - SvNVX(sv) = 0.0; + return 0.0; } SvNOK_on(sv); - DEBUG_c((stderr,"0x%lx 2nv(%g)\n",sv,SvNVX(sv))); + DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); return SvNVX(sv); } @@ -1055,20 +1201,23 @@ STRLEN *lp; return SvPVX(sv); } if (SvIOKp(sv)) { - (void)sprintf(tokenbuf,"%ld",SvIVX(sv)); - *lp = strlen(tokenbuf); - return tokenbuf; + (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); + goto tokensave; } if (SvNOKp(sv)) { - (void)sprintf(tokenbuf,"%.20g",SvNVX(sv)); - *lp = strlen(tokenbuf); - return tokenbuf; + Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); + goto tokensave; } *lp = 0; return ""; } if (SvTHINKFIRST(sv)) { if (SvROK(sv)) { +#ifdef OVERLOAD + SV* tmpstr; + if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) + return SvPV(tmpstr,*lp); +#endif /* OVERLOAD */ sv = (SV*)SvRV(sv); if (!sv) s = "NULLREF"; @@ -1097,21 +1246,19 @@ STRLEN *lp; HvNAME(SvSTASH(sv)), s, (unsigned long)sv); else sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv); - s = tokenbuf; + goto tokensaveref; } *lp = strlen(s); return s; } if (SvREADONLY(sv)) { if (SvIOK(sv)) { - (void)sprintf(tokenbuf,"%ld",SvIVX(sv)); - *lp = strlen(tokenbuf); - return tokenbuf; + (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); + goto tokensave; } if (SvNOK(sv)) { - (void)sprintf(tokenbuf,"%.20g",SvNVX(sv)); - *lp = strlen(tokenbuf); - return tokenbuf; + Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); + goto tokensave; } if (dowarn) warn(warn_uninit); @@ -1127,17 +1274,17 @@ STRLEN *lp; SvGROW(sv, 28); s = SvPVX(sv); olderrno = errno; /* some Xenix systems wipe out errno here */ -#if defined(scs) && defined(ns32000) - gcvt(SvNVX(sv),20,s); -#else #ifdef apollo if (SvNVX(sv) == 0.0) (void)strcpy(s,"0"); else #endif /*apollo*/ - (void)sprintf(s,"%.20g",SvNVX(sv)); -#endif /*scs*/ + Gconvert(SvNVX(sv), DBL_DIG, 0, s); errno = olderrno; +#ifdef FIXNEGATIVEZERO + if (*s == '-' && s[1] == '0' && !s[2]) + strcpy(s,"0"); +#endif while (*s) s++; #ifdef hcx if (s[-1] == '.') @@ -1150,22 +1297,48 @@ STRLEN *lp; SvGROW(sv, 11); s = SvPVX(sv); olderrno = errno; /* some Xenix systems wipe out errno here */ - (void)sprintf(s,"%ld",SvIVX(sv)); + (void)sprintf(s,"%ld",(long)SvIVX(sv)); errno = olderrno; while (*s) s++; } else { - if (dowarn) + if (dowarn && !localizing) warn(warn_uninit); - sv_grow(sv, 1); - s = SvPVX(sv); + *lp = 0; + return ""; } *s = '\0'; *lp = s - SvPVX(sv); SvCUR_set(sv, *lp); SvPOK_on(sv); - DEBUG_c((stderr,"0x%lx 2pv(%s)\n",sv,SvPVX(sv))); + DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); return SvPVX(sv); + + tokensave: + if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ + /* Sneaky stuff here */ + + tokensaveref: + sv = sv_newmortal(); + *lp = strlen(tokenbuf); + sv_setpvn(sv, tokenbuf, *lp); + return SvPVX(sv); + } + else { + STRLEN len; + +#ifdef FIXNEGATIVEZERO + if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2]) + strcpy(tokenbuf,"0"); +#endif + (void)SvUPGRADE(sv, SVt_PV); + len = *lp = strlen(tokenbuf); + s = SvGROW(sv, len + 1); + SvCUR_set(sv, len); + (void)strcpy(s, tokenbuf); + /* NO SvPOK_on(sv) here! */ + return s; + } } /* This function is only called on magical items */ @@ -1176,8 +1349,18 @@ register SV *sv; if (SvGMAGICAL(sv)) mg_get(sv); - if (SvROK(sv)) - return SvRV(sv) != 0; + if (!SvOK(sv)) + return 0; + if (SvROK(sv)) { +#ifdef OVERLOAD + { + SV* tmpsv; + if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) + return SvTRUE(tmpsv); + } +#endif /* OVERLOAD */ + return SvRV(sv) != 0; + } if (SvPOKp(sv)) { register XPV* Xpv; if ((Xpv = (XPV*)SvANY(sv)) && @@ -1227,30 +1410,33 @@ register SV *sstr; stype = SvTYPE(sstr); dtype = SvTYPE(dstr); +#ifdef OVERLOAD + SvAMAGIC_off(dstr); +#endif /* OVERLOAD */ /* There's a lot of redundancy below but we're going for speed here */ switch (stype) { case SVt_NULL: - SvOK_off(dstr); + (void)SvOK_off(dstr); return; case SVt_IV: if (dtype <= SVt_PV) { if (dtype < SVt_IV) sv_upgrade(dstr, SVt_IV); - else if (dtype == SVt_PV) - sv_upgrade(dstr, SVt_PVIV); else if (dtype == SVt_NV) sv_upgrade(dstr, SVt_PVNV); + else if (dtype <= SVt_PV) + sv_upgrade(dstr, SVt_PVIV); } break; case SVt_NV: if (dtype <= SVt_PVIV) { if (dtype < SVt_NV) sv_upgrade(dstr, SVt_NV); - else if (dtype == SVt_PV) - sv_upgrade(dstr, SVt_PVNV); else if (dtype == SVt_PVIV) sv_upgrade(dstr, SVt_PVNV); + else if (dtype <= SVt_PV) + sv_upgrade(dstr, SVt_PVNV); } break; case SVt_RV: @@ -1271,19 +1457,28 @@ register SV *sstr; break; case SVt_PVGV: if (dtype <= SVt_PVGV) { - if (dtype < SVt_PVGV) + if (dtype < SVt_PVGV) { + char *name = GvNAME(sstr); + STRLEN len = GvNAMELEN(sstr); sv_upgrade(dstr, SVt_PVGV); - SvOK_off(dstr); + sv_magic(dstr, dstr, '*', name, len); + GvSTASH(dstr) = GvSTASH(sstr); + GvNAME(dstr) = savepvn(name, len); + GvNAMELEN(dstr) = len; + SvFAKE_on(dstr); /* can coerce to non-glob */ + } + (void)SvOK_off(dstr); if (!GvAV(sstr)) gv_AVadd(sstr); if (!GvHV(sstr)) gv_HVadd(sstr); if (!GvIO(sstr)) - GvIO(sstr) = newIO(); + gv_IOadd(sstr); if (GvGP(dstr)) gp_free(dstr); GvGP(dstr) = gp_ref(GvGP(sstr)); SvTAINT(dstr); + GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */ return; } /* FALL THROUGH */ @@ -1302,47 +1497,79 @@ register SV *sstr; if (dtype == SVt_PVGV) { SV *sref = SvREFCNT_inc(SvRV(sstr)); SV *dref = 0; - GP *oldgp = GvGP(dstr); - GP *gp; - + int intro = GvFLAGS(dstr) & GVf_INTRO; + + if (intro) { + GP *gp; + GvGP(dstr)->gp_refcnt--; + Newz(602,gp, 1, GP); + GvGP(dstr) = gp; + GvREFCNT(dstr) = 1; + GvSV(dstr) = NEWSV(72,0); + GvLINE(dstr) = curcop->cop_line; + GvEGV(dstr) = dstr; + GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */ + } + SvMULTI_on(dstr); switch (SvTYPE(sref)) { case SVt_PVAV: - dref = (SV*)GvAV(dstr); + if (intro) + SAVESPTR(GvAV(dstr)); + else + dref = (SV*)GvAV(dstr); GvAV(dstr) = (AV*)sref; break; case SVt_PVHV: - dref = (SV*)GvHV(dstr); + if (intro) + SAVESPTR(GvHV(dstr)); + else + dref = (SV*)GvHV(dstr); GvHV(dstr) = (HV*)sref; break; case SVt_PVCV: - dref = (SV*)GvCV(dstr); + if (intro) + SAVESPTR(GvCV(dstr)); + else + dref = (SV*)GvCV(dstr); + GvFLAGS(dstr) |= GVf_IMPORTED; GvCV(dstr) = (CV*)sref; break; default: - dref = (SV*)GvSV(dstr); + if (intro) + SAVESPTR(GvSV(dstr)); + else + dref = (SV*)GvSV(dstr); GvSV(dstr) = sref; break; } if (dref) SvREFCNT_dec(dref); + if (intro) + SAVEFREESV(sref); SvTAINT(dstr); return; } - if (SvPVX(dstr)) + if (SvPVX(dstr)) { Safefree(SvPVX(dstr)); + SvLEN(dstr)=SvCUR(dstr)=0; + } } - SvOK_off(dstr); + (void)SvOK_off(dstr); SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); SvROK_on(dstr); - ++sv_rvcount; if (sflags & SVp_NOK) { SvNOK_on(dstr); SvNVX(dstr) = SvNVX(sstr); } if (sflags & SVp_IOK) { - SvIOK_on(dstr); + (void)SvIOK_on(dstr); SvIVX(dstr) = SvIVX(sstr); } +#ifdef OVERLOAD + if (SvAMAGIC(sstr)) { + SvAMAGIC_on(dstr); + } +#endif /* OVERLOAD */ } else if (sflags & SVp_POK) { @@ -1355,13 +1582,13 @@ register SV *sstr; if (SvTEMP(sstr)) { /* slated for free anyway? */ if (SvPOK(dstr)) { - SvOOK_off(dstr); + (void)SvOOK_off(dstr); Safefree(SvPVX(dstr)); } SvPV_set(dstr, SvPVX(sstr)); SvLEN_set(dstr, SvLEN(sstr)); SvCUR_set(dstr, SvCUR(sstr)); - SvPOK_only(dstr); + (void)SvPOK_only(dstr); SvTEMP_off(dstr); SvPV_set(sstr, Nullch); SvLEN_set(sstr, 0); @@ -1375,7 +1602,7 @@ register SV *sstr; Move(SvPVX(sstr),SvPVX(dstr),len,char); SvCUR_set(dstr, len); *SvEND(dstr) = '\0'; - SvPOK_only(dstr); + (void)SvPOK_only(dstr); } /*SUPPRESS 560*/ if (sflags & SVp_NOK) { @@ -1383,24 +1610,28 @@ register SV *sstr; SvNVX(dstr) = SvNVX(sstr); } if (sflags & SVp_IOK) { - SvIOK_on(dstr); + (void)SvIOK_on(dstr); SvIVX(dstr) = SvIVX(sstr); } } else if (sflags & SVp_NOK) { SvNVX(dstr) = SvNVX(sstr); - SvNOK_only(dstr); + (void)SvNOK_only(dstr); if (SvIOK(sstr)) { - SvIOK_on(dstr); + (void)SvIOK_on(dstr); SvIVX(dstr) = SvIVX(sstr); } } else if (sflags & SVp_IOK) { - SvIOK_only(dstr); + (void)SvIOK_only(dstr); SvIVX(dstr) = SvIVX(sstr); } else { - SvOK_off(dstr); + (void)SvOK_off(dstr); + } + if (SvOBJECT(sstr)) { + SvOBJECT_on(dstr); + SvSTASH(dstr) = (HV*)SvREFCNT_inc(SvSTASH(sstr)); } SvTAINT(dstr); } @@ -1418,17 +1649,16 @@ register STRLEN len; sv_unref(sv); } if (!ptr) { - SvOK_off(sv); + (void)SvOK_off(sv); return; } if (!SvUPGRADE(sv, SVt_PV)) return; SvGROW(sv, len + 1); - if (ptr) - Move(ptr,SvPVX(sv),len,char); + Move(ptr,SvPVX(sv),len,char); SvCUR_set(sv, len); *SvEND(sv) = '\0'; - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ SvTAINT(sv); } @@ -1446,7 +1676,7 @@ register char *ptr; sv_unref(sv); } if (!ptr) { - SvOK_off(sv); + (void)SvOK_off(sv); return; } len = strlen(ptr); @@ -1455,7 +1685,7 @@ register char *ptr; SvGROW(sv, len + 1); Move(ptr,SvPVX(sv),len+1,char); SvCUR_set(sv, len); - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ SvTAINT(sv); } @@ -1474,7 +1704,7 @@ register STRLEN len; if (!SvUPGRADE(sv, SVt_PV)) return; if (!ptr) { - SvOK_off(sv); + (void)SvOK_off(sv); return; } if (SvPVX(sv)) @@ -1484,7 +1714,7 @@ register STRLEN len; SvCUR_set(sv, len); SvLEN_set(sv, len+1); *SvEND(sv) = '\0'; - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ SvTAINT(sv); } @@ -1495,7 +1725,7 @@ register char *ptr; { register STRLEN delta; - if (!ptr || !SvPOK(sv)) + if (!ptr || !SvPOKp(sv)) return; if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) @@ -1526,21 +1756,13 @@ register STRLEN len; { STRLEN tlen; char *s; - if (SvTHINKFIRST(sv)) { - if (SvREADONLY(sv) && curcop != &compiling) - croak(no_modify); - if (SvROK(sv)) { - s = SvPV(sv, tlen); - sv_unref(sv); - sv_setpvn(sv, s, tlen); - } - } - s = SvPV(sv, tlen); + + s = SvPV_force(sv, tlen); SvGROW(sv, tlen + len + 1); Move(ptr,SvPVX(sv)+tlen,len,char); SvCUR(sv) += len; *SvEND(sv) = '\0'; - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ SvTAINT(sv); } @@ -1566,20 +1788,14 @@ register char *ptr; STRLEN tlen; char *s; - if (SvTHINKFIRST(sv)) { - if (SvREADONLY(sv) && curcop != &compiling) - croak(no_modify); - if (SvROK(sv)) - sv_unref(sv); - } if (!ptr) return; - s = SvPV(sv, tlen); + s = SvPV_force(sv, tlen); len = strlen(ptr); SvGROW(sv, tlen + len + 1); Move(ptr,SvPVX(sv)+tlen,len+1,char); SvCUR(sv) += len; - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ SvTAINT(sv); } @@ -1606,23 +1822,17 @@ STRLEN len; } void -#ifndef STANDARD_C sv_magic(sv, obj, how, name, namlen) register SV *sv; SV *obj; -char how; +int how; char *name; I32 namlen; -#else -sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) -#endif /* STANDARD_C */ { MAGIC* mg; - if (SvTHINKFIRST(sv)) { - if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how)) - croak(no_modify); - } + if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how)) + croak(no_modify); if (SvMAGICAL(sv)) { if (SvMAGIC(sv) && mg_find(sv, how)) return; @@ -1635,7 +1845,7 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) mg->mg_moremagic = SvMAGIC(sv); SvMAGIC(sv) = mg; - if (obj == sv) + if (obj == sv || how == '#') mg->mg_obj = obj; else { mg->mg_obj = SvREFCNT_inc(obj); @@ -1644,11 +1854,22 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) mg->mg_type = how; mg->mg_len = namlen; if (name && namlen >= 0) - mg->mg_ptr = nsavestr(name, namlen); + mg->mg_ptr = savepvn(name, namlen); switch (how) { case 0: mg->mg_virtual = &vtbl_sv; break; +#ifdef OVERLOAD + case 'A': + mg->mg_virtual = &vtbl_amagic; + break; + case 'a': + mg->mg_virtual = &vtbl_amagicelem; + break; + case 'c': + mg->mg_virtual = 0; + break; +#endif /* OVERLOAD */ case 'B': mg->mg_virtual = &vtbl_bm; break; @@ -1668,6 +1889,7 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) mg->mg_virtual = &vtbl_isaelem; break; case 'L': + SvRMAGICAL_on(sv); mg->mg_virtual = 0; break; case 'l': @@ -1677,6 +1899,7 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) mg->mg_virtual = &vtbl_pack; break; case 'p': + case 'q': mg->mg_virtual = &vtbl_packelem; break; case 'S': @@ -1703,6 +1926,11 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) case '#': mg->mg_virtual = &vtbl_arylen; break; + case '.': + mg->mg_virtual = &vtbl_pos; + break; + case '~': /* reserved for extensions but multiple extensions may clash */ + break; default: croak("Don't know how to handle magic of type '%c'", how); } @@ -1712,13 +1940,9 @@ sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen) } int -#ifndef STANDARD_C sv_unmagic(sv, type) SV* sv; -char type; -#else -sv_unmagic(SV *sv, char type) -#endif /* STANDARD_C */ +int type; { MAGIC* mg; MAGIC** mgp; @@ -1733,7 +1957,8 @@ sv_unmagic(SV *sv, char type) (*vtbl->svt_free)(sv, mg); if (mg->mg_ptr && mg->mg_type != 'g') Safefree(mg->mg_ptr); - SvREFCNT_dec(mg->mg_obj); + if (mg->mg_flags & MGf_REFCOUNTED) + SvREFCNT_dec(mg->mg_obj); Safefree(mg); } else @@ -1763,20 +1988,11 @@ STRLEN littlelen; if (!bigstr) croak("Can't modify non-existent substring"); - if (SvTHINKFIRST(bigstr)) { - if (SvREADONLY(bigstr) && curcop != &compiling) - croak(no_modify); - if (SvROK(bigstr)) - sv_unref(bigstr); - } - SvPOK_only(bigstr); + SvPV_force(bigstr, na); i = littlelen - len; if (i > 0) { /* string might grow */ - if (!SvUPGRADE(bigstr, SVt_PV)) - return; - SvGROW(bigstr, SvCUR(bigstr) + i + 1); - big = SvPVX(bigstr); + big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); mid = big + offset + len; midend = bigend = big + SvCUR(bigstr); bigend += i; @@ -1854,9 +2070,12 @@ register SV *nsv; if (SvREFCNT(nsv) != 1) warn("Reference miscount in sv_replace()"); if (SvMAGICAL(sv)) { - SvUPGRADE(nsv, SVt_PVMG); + if (SvMAGICAL(nsv)) + mg_free(nsv); + else + sv_upgrade(nsv, SVt_PVMG); SvMAGIC(nsv) = SvMAGIC(sv); - SvMAGICAL_on(nsv); + SvFLAGS(nsv) |= SvMAGICAL(sv); SvMAGICAL_off(sv); SvMAGIC(sv) = 0; } @@ -1876,97 +2095,80 @@ register SV *sv; if (SvOBJECT(sv)) { dSP; - BINOP myop; /* fake syntax tree node */ GV* destructor; - SvOBJECT_off(sv); /* Curse the object. */ - - ENTER; - SAVETMPS; - SAVESPTR(curcop); - SAVESPTR(op); - curcop = &compiling; - curstash = SvSTASH(sv); - destructor = gv_fetchpv("DESTROY", FALSE, SVt_PVCV); - - if (destructor && GvCV(destructor)) { - SV ref; - Zero(&ref, 1, SV); - sv_upgrade(&ref, SVt_RV); - SvRV(&ref) = SvREFCNT_inc(sv); - SvROK_on(&ref); - - op = (OP*)&myop; - Zero(op, 1, OP); - myop.op_last = (OP*)&myop; - myop.op_flags = OPf_STACKED; - myop.op_next = Nullop; - - EXTEND(SP, 2); - PUSHs((SV*)destructor); - pp_pushmark(); - PUSHs(&ref); - PUTBACK; - op = pp_entersubr(); - if (op) - run(); - stack_sp--; - SvREFCNT(sv) = 0; - FREE_TMPS(); - } - SvREFCNT_dec(SvSTASH(sv)); - LEAVE; + if (defstash) { /* Still have a symbol table? */ + destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); + + ENTER; + SAVEFREESV(SvSTASH(sv)); + if (destructor && GvCV(destructor)) { + SV ref; + + Zero(&ref, 1, SV); + sv_upgrade(&ref, SVt_RV); + SAVEI32(SvREFCNT(sv)); + SvRV(&ref) = SvREFCNT_inc(sv); + SvROK_on(&ref); + + EXTEND(SP, 2); + PUSHMARK(SP); + PUSHs(&ref); + PUTBACK; + perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL); + } + LEAVE; + } + if (SvOBJECT(sv)) { + SvOBJECT_off(sv); /* Curse the object. */ + if (SvTYPE(sv) != SVt_PVIO) + --sv_objcount; /* XXX Might want something more general */ + } } + if (SvMAGICAL(sv)) + mg_free(sv); switch (SvTYPE(sv)) { case SVt_PVIO: Safefree(IoTOP_NAME(sv)); Safefree(IoFMT_NAME(sv)); Safefree(IoBOTTOM_NAME(sv)); - goto freemagic; + /* FALL THROUGH */ case SVt_PVFM: - goto freemagic; case SVt_PVBM: - goto freemagic; - case SVt_PVGV: - gp_free(sv); - Safefree(GvNAME(sv)); - goto freemagic; + goto freescalar; case SVt_PVCV: cv_undef((CV*)sv); - goto freemagic; + goto freescalar; case SVt_PVHV: hv_undef((HV*)sv); - SvPVX(sv)= 0; - goto freemagic; + break; case SVt_PVAV: av_undef((AV*)sv); - SvPVX(sv)= 0; - goto freemagic; + break; + case SVt_PVGV: + gp_free(sv); + Safefree(GvNAME(sv)); + /* FALL THROUGH */ case SVt_PVLV: - goto freemagic; case SVt_PVMG: - freemagic: - if (SvMAGICAL(sv)) - mg_free(sv); case SVt_PVNV: case SVt_PVIV: - SvOOK_off(sv); + freescalar: + (void)SvOOK_off(sv); /* FALL THROUGH */ case SVt_PV: + case SVt_RV: if (SvROK(sv)) SvREFCNT_dec(SvRV(sv)); else if (SvPVX(sv)) Safefree(SvPVX(sv)); break; +/* case SVt_NV: - break; case SVt_IV: - break; - case SVt_RV: - SvREFCNT_dec(SvRV(sv)); - break; case SVt_NULL: break; +*/ } switch (SvTYPE(sv)) { @@ -2018,6 +2220,7 @@ register SV *sv; del_XPVIO(SvANY(sv)); break; } + SvFLAGS(sv) &= SVf_BREAK; SvFLAGS(sv) |= SVTYPEMASK; } @@ -2036,13 +2239,13 @@ SV *sv; { if (!sv) return; - if (SvTHINKFIRST(sv)) { - if (SvREADONLY(sv)) { - if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) - return; - } + if (SvREADONLY(sv)) { + if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) + return; } - if (SvREFCNT(sv) == 0 && !(SvFLAGS(sv) & SVf_BREAK)) { + if (SvREFCNT(sv) == 0) { + if (SvFLAGS(sv) & SVf_BREAK) + return; warn("Attempt to free unreferenced scalar"); return; } @@ -2170,11 +2373,15 @@ I32 append; sv_unref(sv); } if (!SvUPGRADE(sv, SVt_PV)) - return; + return 0; if (rspara) { /* have to do this both before and after */ do { /* to make sure file boundaries work right */ + if (feof(fp)) + return 0; i = getc(fp); if (i != '\n') { + if (i == -1) + return 0; ungetc(i,fp); break; } @@ -2182,7 +2389,7 @@ I32 append; } #ifdef USE_STD_STDIO /* Here is some breathtakingly efficient cheating */ cnt = fp->_cnt; /* get count into register */ - SvPOK_only(sv); /* validate pointer */ + (void)SvPOK_only(sv); /* validate pointer */ if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ if (cnt > 80 && SvLEN(sv) > append) { shortbuffered = cnt - SvLEN(sv) + append + 1; @@ -2306,27 +2513,31 @@ register SV *sv; if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) croak(no_modify); - if (SvROK(sv)) - sv_unref(sv); + if (SvROK(sv)) { +#ifdef OVERLOAD + if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; +#endif /* OVERLOAD */ + sv_unref(sv); + } } if (SvGMAGICAL(sv)) mg_get(sv); flags = SvFLAGS(sv); if (flags & SVp_IOK) { ++SvIVX(sv); - SvIOK_only(sv); + (void)SvIOK_only(sv); return; } if (flags & SVp_NOK) { SvNVX(sv) += 1.0; - SvNOK_only(sv); + (void)SvNOK_only(sv); return; } if (!(flags & SVp_POK) || !*SvPVX(sv)) { if (!SvUPGRADE(sv, SVt_NV)) return; SvNVX(sv) = 1.0; - SvNOK_only(sv); + (void)SvNOK_only(sv); return; } d = SvPVX(sv); @@ -2372,27 +2583,31 @@ register SV *sv; if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) croak(no_modify); - if (SvROK(sv)) - sv_unref(sv); + if (SvROK(sv)) { +#ifdef OVERLOAD + if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; +#endif /* OVERLOAD */ + sv_unref(sv); + } } if (SvGMAGICAL(sv)) mg_get(sv); flags = SvFLAGS(sv); if (flags & SVp_IOK) { --SvIVX(sv); - SvIOK_only(sv); + (void)SvIOK_only(sv); return; } if (flags & SVp_NOK) { SvNVX(sv) -= 1.0; - SvNOK_only(sv); + (void)SvNOK_only(sv); return; } if (!(flags & SVp_POK)) { if (!SvUPGRADE(sv, SVt_NV)) return; SvNVX(sv) = -1.0; - SvNOK_only(sv); + (void)SvNOK_only(sv); return; } sv_setnv(sv,atof(SvPVX(sv)) - 1.0); @@ -2451,10 +2666,8 @@ register SV *sv; { if (!sv) return sv; - if (SvTHINKFIRST(sv)) { - if (SvREADONLY(sv) && curcop != &compiling) - croak(no_modify); - } + if (SvREADONLY(sv) && curcop != &compiling) + croak(no_modify); if (++tmps_ix >= tmps_max) sv_mortalgrow(); tmps_stack[tmps_ix] = sv; @@ -2495,7 +2708,7 @@ double n; SV * newSViv(i) -I32 i; +IV i; { register SV *sv; @@ -2518,9 +2731,9 @@ SV *ref; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; sv_upgrade(sv, SVt_RV); + SvTEMP_off(ref); SvRV(sv) = SvREFCNT_inc(ref); SvROK_on(sv); - ++sv_rvcount; return sv; } @@ -2587,7 +2800,7 @@ HV *stash; for ( ; i <= max; i++) { todo[i] = 1; } - for (i = 0; i <= HvMAX(stash); i++) { + for (i = 0; i <= (I32) HvMAX(stash); i++) { for (entry = HvARRAY(stash)[i]; entry; entry = entry->hent_next) { @@ -2595,7 +2808,7 @@ HV *stash; continue; gv = (GV*)entry->hent_val; sv = GvSV(gv); - SvOK_off(sv); + (void)SvOK_off(sv); if (SvTYPE(sv) >= SVt_PV) { SvCUR_set(sv, 0); SvTAINT(sv); @@ -2606,9 +2819,13 @@ HV *stash; av_clear(GvAV(gv)); } if (GvHV(gv)) { + if (HvNAME(GvHV(gv))) + continue; hv_clear(GvHV(gv)); +#ifndef VMS /* VMS has no environ array */ if (gv == envgv) environ[0] = Nullch; +#endif } } } @@ -2628,14 +2845,6 @@ I32 lref; if (!sv) return *gvp = Nullgv, Nullcv; switch (SvTYPE(sv)) { - case SVt_RV: - is_rv: - cv = (CV*)SvRV(sv); - if (SvTYPE(cv) != SVt_PVCV) - croak("Not a subroutine reference"); - *gvp = Nullgv; - *st = CvSTASH(cv); - return cv; case SVt_PVCV: *st = CvSTASH(sv); *gvp = Nullgv; @@ -2646,12 +2855,21 @@ I32 lref; return Nullcv; case SVt_PVGV: gv = (GV*)sv; + *gvp = gv; *st = GvESTASH(gv); goto fix_gv; default: - if (SvROK(sv)) - goto is_rv; + if (SvGMAGICAL(sv)) + mg_get(sv); + if (SvROK(sv)) { + cv = (CV*)SvRV(sv); + if (SvTYPE(cv) != SVt_PVCV) + croak("Not a subroutine reference"); + *gvp = Nullgv; + *st = CvSTASH(cv); + return cv; + } if (isGV(sv)) gv = (GV*)sv; else @@ -2662,7 +2880,7 @@ I32 lref; *st = GvESTASH(gv); fix_gv: if (lref && !GvCV(gv)) { - sv = NEWSV(0,0); + sv = NEWSV(704,0); gv_efullname(sv, gv); newSUB(savestack_ix, newSVOP(OP_CONST, 0, sv), @@ -2705,7 +2923,7 @@ register SV *sv; #endif /* SvTRUE */ #ifndef SvIV -I32 SvIV(Sv) +IV SvIV(Sv) register SV *Sv; { if (SvIOK(Sv)) @@ -2735,12 +2953,88 @@ STRLEN *lp; { if (SvPOK(sv)) { *lp = SvCUR(sv); - return SvPVX(sv) + return SvPVX(sv); } return sv_2pv(sv, lp); } #endif +char * +sv_pvn_force(sv, lp) +SV *sv; +STRLEN *lp; +{ + char *s; + + if (SvREADONLY(sv) && curcop != &compiling) + croak(no_modify); + + if (SvPOK(sv)) { + *lp = SvCUR(sv); + } + else { + if (SvTYPE(sv) > SVt_PVLV) { + if (SvFAKE(sv)) + sv_unglob(sv); + else + croak("Can't coerce %s to string in %s", sv_reftype(sv,0), + op_name[op->op_type]); + } + s = sv_2pv(sv, lp); + if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ + STRLEN len = *lp; + + if (SvROK(sv)) + sv_unref(sv); + (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ + SvGROW(sv, len + 1); + Move(s,SvPVX(sv),len,char); + SvCUR_set(sv, len); + *SvEND(sv) = '\0'; + } + if (!SvPOK(sv)) { + SvPOK_on(sv); /* validate pointer */ + SvTAINT(sv); + DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n", + (unsigned long)sv,SvPVX(sv))); + } + } + return SvPVX(sv); +} + +char * +sv_reftype(sv, ob) +SV* sv; +int ob; +{ + if (ob && SvOBJECT(sv)) + return HvNAME(SvSTASH(sv)); + else { + switch (SvTYPE(sv)) { + case SVt_NULL: + case SVt_IV: + case SVt_NV: + case SVt_RV: + case SVt_PV: + case SVt_PVIV: + case SVt_PVNV: + case SVt_PVMG: + case SVt_PVBM: + if (SvROK(sv)) + return "REF"; + else + return "SCALAR"; + case SVt_PVLV: return "LVALUE"; + case SVt_PVAV: return "ARRAY"; + case SVt_PVHV: return "HASH"; + case SVt_PVCV: return "CODE"; + case SVt_PVGV: return "GLOB"; + case SVt_PVFM: return "FORMLINE"; + default: return "UNKNOWN"; + } + } +} + int sv_isobject(sv) SV *sv; @@ -2768,50 +3062,123 @@ char *name; } SV* -sv_setptrobj(rv, ptr, name) +newSVrv(rv, classname) SV *rv; -void *ptr; -char *name; +char *classname; { - HV *stash; SV *sv; - if (!ptr) - return rv; - new_SV(); SvANY(sv) = 0; - SvREFCNT(sv) = 1; + SvREFCNT(sv) = 0; SvFLAGS(sv) = 0; - sv_setnv(sv, (double)(unsigned long)ptr); sv_upgrade(rv, SVt_RV); SvRV(rv) = SvREFCNT_inc(sv); SvROK_on(rv); - ++sv_rvcount; - stash = fetch_stash(newSVpv(name,0), TRUE); - SvOBJECT_on(sv); - SvUPGRADE(sv, SVt_PVMG); - SvSTASH(sv) = (HV*)SvREFCNT_inc(stash); + if (classname) { + HV* stash = gv_stashpv(classname, TRUE); + (void)sv_bless(rv, stash); + } + return sv; +} + +SV* +sv_setref_pv(rv, classname, pv) +SV *rv; +char *classname; +void* pv; +{ + if (!pv) + sv_setsv(rv, &sv_undef); + else + sv_setiv(newSVrv(rv,classname), (IV)pv); + return rv; +} + +SV* +sv_setref_iv(rv, classname, iv) +SV *rv; +char *classname; +IV iv; +{ + sv_setiv(newSVrv(rv,classname), iv); + return rv; +} + +SV* +sv_setref_nv(rv, classname, nv) +SV *rv; +char *classname; +double nv; +{ + sv_setnv(newSVrv(rv,classname), nv); + return rv; +} +SV* +sv_setref_pvn(rv, classname, pv, n) +SV *rv; +char *classname; +char* pv; +I32 n; +{ + sv_setpvn(newSVrv(rv,classname), pv, n); return rv; } +SV* +sv_bless(sv,stash) +SV* sv; +HV* stash; +{ + SV *ref; + if (!SvROK(sv)) + croak("Can't bless non-reference value"); + ref = SvRV(sv); + if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { + if (SvREADONLY(ref)) + croak(no_modify); + if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO) + --sv_objcount; + } + SvOBJECT_on(ref); + ++sv_objcount; + (void)SvUPGRADE(ref, SVt_PVMG); + SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); + +#ifdef OVERLOAD + if (Gv_AMG(stash)) { + SvAMAGIC_on(sv); + } +#endif /* OVERLOAD */ + + return sv; +} + +static void +sv_unglob(sv) +SV* sv; +{ + assert(SvTYPE(sv) == SVt_PVGV); + SvFAKE_off(sv); + if (GvGP(sv)) + gp_free(sv); + sv_unmagic(sv, '*'); + Safefree(GvNAME(sv)); + SvFLAGS(sv) &= ~SVTYPEMASK; + SvFLAGS(sv) |= SVt_PVMG; +} + void sv_unref(sv) SV* sv; { - SvREFCNT_dec(SvRV(sv)); + SV* rv = SvRV(sv); + SvRV(sv) = 0; SvROK_off(sv); - if (!(SvFLAGS(sv) & (SVp_IOK|SVp_NOK))) { - SvFLAGS(sv) &= ~SVf_OK; - if (SvTYPE(sv) == SVt_RV) { - del_XRV(SvANY(sv)); - SvFLAGS(sv) &= ~SVTYPEMASK; /* Make into type NULL. */ - } - } - --sv_rvcount; + SvREFCNT_dec(rv); } #ifdef DEBUGGING @@ -2849,8 +3216,8 @@ SV* sv; if (flags & SVf_NOK) strcat(d, "NOK,"); if (flags & SVf_POK) strcat(d, "POK,"); if (flags & SVf_ROK) strcat(d, "ROK,"); - if (flags & SVf_OK) strcat(d, "OK,"); if (flags & SVf_OOK) strcat(d, "OOK,"); + if (flags & SVf_FAKE) strcat(d, "FAKE,"); if (flags & SVf_READONLY) strcat(d, "READONLY,"); d += strlen(d); @@ -2921,9 +3288,9 @@ SV* sv; if (type >= SVt_PVIV || type == SVt_IV) fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv)); if (type >= SVt_PVNV || type == SVt_NV) - fprintf(stderr, " NV = %.20g\n", SvNVX(sv)); + fprintf(stderr, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); if (SvROK(sv)) { - fprintf(stderr, " RV = 0x%lx\n", SvRV(sv)); + fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv)); sv_dump(SvRV(sv)); return; } @@ -2932,13 +3299,13 @@ SV* sv; if (type <= SVt_PVLV) { if (SvPVX(sv)) fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", - SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); + (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); else fprintf(stderr, " PV = 0\n"); } if (type >= SVt_PVMG) { if (SvMAGIC(sv)) { - fprintf(stderr, " MAGIC = 0x%lx\n", SvMAGIC(sv)); + fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); } if (SvSTASH(sv)) fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv))); @@ -2948,82 +3315,81 @@ SV* sv; fprintf(stderr, " TYPE = %c\n", LvTYPE(sv)); fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); - fprintf(stderr, " TARG = 0x%lx\n", LvTARG(sv)); + fprintf(stderr, " TARG = 0x%lx\n", (long)LvTARG(sv)); sv_dump(LvTARG(sv)); break; case SVt_PVAV: - fprintf(stderr, " ARRAY = 0x%lx\n", AvARRAY(sv)); - fprintf(stderr, " ALLOC = 0x%lx\n", AvALLOC(sv)); + fprintf(stderr, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); + fprintf(stderr, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv)); fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv)); - fprintf(stderr, " ARYLEN = 0x%lx\n", AvARYLEN(sv)); + fprintf(stderr, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); if (AvREAL(sv)) fprintf(stderr, " FLAGS = (REAL)\n"); else fprintf(stderr, " FLAGS = ()\n"); break; case SVt_PVHV: - fprintf(stderr, " ARRAY = 0x%lx\n", HvARRAY(sv)); + fprintf(stderr, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv)); fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv)); fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv)); fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv)); - fprintf(stderr, " EITER = 0x%lx\n", HvEITER(sv)); + fprintf(stderr, " EITER = 0x%lx\n",(long) HvEITER(sv)); if (HvPMROOT(sv)) - fprintf(stderr, " PMROOT = 0x%lx\n", HvPMROOT(sv)); + fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); if (HvNAME(sv)) fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv)); break; case SVt_PVFM: case SVt_PVCV: - fprintf(stderr, " STASH = 0x%lx\n", CvSTASH(sv)); - fprintf(stderr, " START = 0x%lx\n", CvSTART(sv)); - fprintf(stderr, " ROOT = 0x%lx\n", CvROOT(sv)); - fprintf(stderr, " USERSUB = 0x%lx\n", CvUSERSUB(sv)); - fprintf(stderr, " USERINDEX = %ld\n", (long)CvUSERINDEX(sv)); - fprintf(stderr, " FILEGV = 0x%lx\n", CvFILEGV(sv)); + fprintf(stderr, " STASH = 0x%lx\n", (long)CvSTASH(sv)); + fprintf(stderr, " START = 0x%lx\n", (long)CvSTART(sv)); + fprintf(stderr, " ROOT = 0x%lx\n", (long)CvROOT(sv)); + fprintf(stderr, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); + fprintf(stderr, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); + fprintf(stderr, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv)); - fprintf(stderr, " PADLIST = 0x%lx\n", CvPADLIST(sv)); - fprintf(stderr, " DELETED = %ld\n", (long)CvDELETED(sv)); + fprintf(stderr, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); if (type == SVt_PVFM) fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv)); break; case SVt_PVGV: fprintf(stderr, " NAME = %s\n", GvNAME(sv)); fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); - fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv)); - fprintf(stderr, " GP = 0x%lx\n", GvGP(sv)); - fprintf(stderr, " SV = 0x%lx\n", GvSV(sv)); + fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv)); + fprintf(stderr, " GP = 0x%lx\n", (long)GvGP(sv)); + fprintf(stderr, " SV = 0x%lx\n", (long)GvSV(sv)); fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv)); - fprintf(stderr, " IO = 0x%lx\n", GvIO(sv)); - fprintf(stderr, " FORM = 0x%lx\n", GvFORM(sv)); - fprintf(stderr, " AV = 0x%lx\n", GvAV(sv)); - fprintf(stderr, " HV = 0x%lx\n", GvHV(sv)); - fprintf(stderr, " CV = 0x%lx\n", GvCV(sv)); - fprintf(stderr, " CVGEN = 0x%lx\n", GvCVGEN(sv)); + fprintf(stderr, " IO = 0x%lx\n", (long)GvIOp(sv)); + fprintf(stderr, " FORM = 0x%lx\n", (long)GvFORM(sv)); + fprintf(stderr, " AV = 0x%lx\n", (long)GvAV(sv)); + fprintf(stderr, " HV = 0x%lx\n", (long)GvHV(sv)); + fprintf(stderr, " CV = 0x%lx\n", (long)GvCV(sv)); + fprintf(stderr, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv)); fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv)); - fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv)); - fprintf(stderr, " EGV = 0x%lx\n", GvEGV(sv)); + fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv)); + fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv)); break; case SVt_PVIO: - fprintf(stderr, " IFP = 0x%lx\n", IoIFP(sv)); - fprintf(stderr, " OFP = 0x%lx\n", IoOFP(sv)); - fprintf(stderr, " DIRP = 0x%lx\n", IoDIRP(sv)); + fprintf(stderr, " IFP = 0x%lx\n", (long)IoIFP(sv)); + fprintf(stderr, " OFP = 0x%lx\n", (long)IoOFP(sv)); + fprintf(stderr, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv)); fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv)); fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv)); - fprintf(stderr, " TOP_GV = 0x%lx\n", IoTOP_GV(sv)); + fprintf(stderr, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv)); - fprintf(stderr, " FMT_GV = 0x%lx\n", IoFMT_GV(sv)); + fprintf(stderr, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv)); - fprintf(stderr, " BOTTOM_GV = 0x%lx\n", IoBOTTOM_GV(sv)); + fprintf(stderr, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); fprintf(stderr, " TYPE = %c\n", IoTYPE(sv)); - fprintf(stderr, " FLAGS = 0x%lx\n", IoFLAGS(sv)); + fprintf(stderr, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); break; } } @@ -3034,3 +3400,38 @@ SV* sv; { } #endif + +IO* +sv_2io(sv) +SV *sv; +{ + IO* io; + GV* gv; + + switch (SvTYPE(sv)) { + case SVt_PVIO: + io = (IO*)sv; + break; + case SVt_PVGV: + gv = (GV*)sv; + io = GvIO(gv); + if (!io) + croak("Bad filehandle: %s", GvNAME(gv)); + break; + default: + if (!SvOK(sv)) + croak(no_usym, "filehandle"); + if (SvROK(sv)) + return sv_2io(SvRV(sv)); + gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); + if (gv) + io = GvIO(gv); + else + io = 0; + if (!io) + croak("Bad filehandle: %s", SvPV(sv,na)); + break; + } + return io; +} + |