diff options
Diffstat (limited to 'gnu/usr.bin/perl/sv.c')
| -rw-r--r-- | gnu/usr.bin/perl/sv.c | 2392 |
1 files changed, 1841 insertions, 551 deletions
diff --git a/gnu/usr.bin/perl/sv.c b/gnu/usr.bin/perl/sv.c index a1f1d607157..d9596cb90f6 100644 --- a/gnu/usr.bin/perl/sv.c +++ b/gnu/usr.bin/perl/sv.c @@ -1,6 +1,6 @@ /* sv.c * - * Copyright (c) 1991-1994, Larry Wall + * Copyright (c) 1991-1997, 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. @@ -36,16 +36,17 @@ #endif #endif -#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) +#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__) # define FAST_SV_GETS #endif +static IV asIV _((SV* sv)); +static UV asUV _((SV* sv)); 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)); @@ -55,13 +56,95 @@ 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)); +typedef void (*SVFUNC) _((SV*)); + #ifdef PURIFY -#define new_SV() sv = (SV*)safemalloc(sizeof(SV)) -#define del_SV(p) free((char*)p) +#define new_SV(p) \ + do { \ + (p) = (SV*)safemalloc(sizeof(SV)); \ + reg_add(p); \ + } while (0) + +#define del_SV(p) \ + do { \ + reg_remove(p); \ + free((char*)(p)); \ + } while (0) + +static SV **registry; +static I32 regsize; + +#define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) + +#define REG_REPLACE(sv,a,b) \ + do { \ + void* p = sv->sv_any; \ + I32 h = REGHASH(sv, regsize); \ + I32 i = h; \ + while (registry[i] != (a)) { \ + if (++i >= regsize) \ + i = 0; \ + if (i == h) \ + die("SV registry bug"); \ + } \ + registry[i] = (b); \ + } while (0) + +#define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) +#define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) + +static void +reg_add(sv) +SV* sv; +{ + if (sv_count >= (regsize >> 1)) + { + SV **oldreg = registry; + I32 oldsize = regsize; + + regsize = regsize ? ((regsize << 2) + 1) : 2037; + registry = (SV**)safemalloc(regsize * sizeof(SV*)); + memzero(registry, regsize * sizeof(SV*)); + + if (oldreg) { + I32 i; + + for (i = 0; i < oldsize; ++i) { + SV* oldsv = oldreg[i]; + if (oldsv) + REG_ADD(oldsv); + } + Safefree(oldreg); + } + } + + REG_ADD(sv); + ++sv_count; +} + +static void +reg_remove(sv) +SV* sv; +{ + REG_REMOVE(sv); + --sv_count; +} + +static void +visit(f) +SVFUNC f; +{ + I32 i; + + for (i = 0; i < regsize; ++i) { + SV* sv = registry[i]; + if (sv) + (*f)(sv); + } +} void sv_add_arena(ptr, size, flags) @@ -73,39 +156,40 @@ U32 flags; free(ptr); } -#else +#else /* ! PURIFY */ + +/* + * "A time to plant, and a time to uproot what was planted..." + */ + +#define plant_SV(p) \ + do { \ + SvANY(p) = (void *)sv_root; \ + SvFLAGS(p) = SVTYPEMASK; \ + sv_root = (p); \ + --sv_count; \ + } while (0) -#define new_SV() \ - if (sv_root) { \ - sv = sv_root; \ - sv_root = (SV*)SvANY(sv); \ +#define uproot_SV(p) \ + do { \ + (p) = sv_root; \ + sv_root = (SV*)SvANY(p); \ ++sv_count; \ - } \ - else \ - sv = more_sv(); + } while (0) -static SV* -new_sv() -{ - SV* sv; - if (sv_root) { - sv = sv_root; - sv_root = (SV*)SvANY(sv); - ++sv_count; - return sv; - } - return more_sv(); -} +#define new_SV(p) \ + if (sv_root) \ + uproot_SV(p); \ + else \ + (p) = 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; \ - } + else \ + plant_SV(p) static void del_sv(p) @@ -127,17 +211,14 @@ SV* p; return; } } - SvANY(p) = (void *) sv_root; - sv_root = p; - --sv_count; + plant_SV(p); } -#else -#define del_SV(p) \ - SvANY(p) = (void *)sv_root; \ - sv_root = p; \ - --sv_count; -#endif +#else /* ! DEBUGGING */ + +#define del_SV(p) plant_SV(p) + +#endif /* DEBUGGING */ void sv_add_arena(ptr, size, flags) @@ -172,101 +253,113 @@ U32 flags; static SV* more_sv() { + register SV* sv; + if (nice_chunk) { sv_add_arena(nice_chunk, nice_chunk_size, 0); nice_chunk = Nullch; } - else - sv_add_arena(safemalloc(1008), 1008, 0); - return new_sv(); + else { + char *chunk; /* must use New here to match call to */ + New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ + sv_add_arena(chunk, 1008, 0); + } + uproot_SV(sv); + return sv; } -#endif -void -sv_report_used() +static void +visit(f) +SVFUNC f; { SV* sva; SV* sv; register SV* svend; - for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { - sv = sva + 1; + for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { svend = &sva[SvREFCNT(sva)]; - while (sv < svend) { - if (SvTYPE(sv) != SVTYPEMASK) { - fprintf(stderr, "****\n"); - sv_dump(sv); - } - ++sv; + for (sv = sva + 1; sv < svend; ++sv) { + if (SvTYPE(sv) != SVTYPEMASK) + (*f)(sv); } } } +#endif /* PURIFY */ + +static void +do_report_used(sv) +SV* sv; +{ + if (SvTYPE(sv) != SVTYPEMASK) { + /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ + PerlIO_printf(PerlIO_stderr(), "****\n"); + sv_dump(sv); + } +} + void -sv_clean_objs() +sv_report_used() +{ + visit(do_report_used); +} + +static void +do_clean_objs(sv) +SV* sv; { - SV* sva; - register SV* sv; - register SV* svend; SV* rv; -#ifndef DISABLE_DESTRUCTOR_KLUDGE - register GV* gv; - for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { - gv = sva + 1; - svend = &sva[SvREFCNT(sva)]; - while (gv < svend) { - if (SvTYPE(gv) == SVt_PVGV && (sv = GvSV(gv)) && - 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); - } - ++gv; - } + if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { + DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) + SvROK_off(sv); + SvRV(sv) = 0; + SvREFCNT_dec(rv); } - if (!sv_objcount) - return; + + /* XXX Might want to check arrays, etc. */ +} + +#ifndef DISABLE_DESTRUCTOR_KLUDGE +static void +do_clean_named_objs(sv) +SV* sv; +{ + if (SvTYPE(sv) == SVt_PVGV && GvSV(sv)) + do_clean_objs(GvSV(sv)); +} #endif - for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { - sv = sva + 1; - svend = &sva[SvREFCNT(sva)]; - while (sv < svend) { - 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; - } - } + +static bool in_clean_objs = FALSE; + +void +sv_clean_objs() +{ + in_clean_objs = TRUE; +#ifndef DISABLE_DESTRUCTOR_KLUDGE + visit(do_clean_named_objs); +#endif + visit(do_clean_objs); + in_clean_objs = FALSE; +} + +static void +do_clean_all(sv) +SV* sv; +{ + DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) + SvFLAGS(sv) |= SVf_BREAK; + SvREFCNT_dec(sv); } +static bool in_clean_all = FALSE; + void sv_clean_all() { - SV* sva; - register SV* sv; - register SV* svend; - - for (sva = sv_arenaroot; sva; sva = (SV*) SvANY(sva)) { - sv = sva + 1; - svend = &sva[SvREFCNT(sva)]; - while (sv < svend) { - if (SvTYPE(sv) != SVTYPEMASK) { - DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));) - SvFLAGS(sv) |= SVf_BREAK; - SvREFCNT_dec(sv); - } - ++sv; - } - } + in_clean_all = TRUE; + visit(do_clean_all); + in_clean_all = FALSE; } void @@ -284,8 +377,11 @@ sv_free_arenas() svanext = (SV*) SvANY(svanext); if (!SvFAKE(sva)) - Safefree(sva); + Safefree((void *)sva); } + + sv_arenaroot = 0; + sv_root = 0; } static XPVIV* @@ -575,7 +671,6 @@ U32 mt; stash = 0; break; case SVt_PV: - nv = 0.0; pv = SvPVX(sv); cur = SvCUR(sv); len = SvLEN(sv); @@ -590,7 +685,6 @@ U32 mt; mt = SVt_PVNV; break; case SVt_PVIV: - nv = 0.0; pv = SvPVX(sv); cur = SvCUR(sv); len = SvLEN(sv); @@ -601,7 +695,6 @@ U32 mt; del_XPVIV(SvANY(sv)); break; case SVt_PVNV: - nv = SvNVX(sv); pv = SvPVX(sv); cur = SvCUR(sv); len = SvLEN(sv); @@ -693,8 +786,8 @@ U32 mt; if (pv) Safefree(pv); SvPVX(sv) = 0; - AvMAX(sv) = 0; - AvFILL(sv) = 0; + AvMAX(sv) = -1; + AvFILL(sv) = -1; SvIVX(sv) = 0; SvNVX(sv) = 0.0; SvMAGIC(sv) = magic; @@ -792,28 +885,30 @@ char * sv_peek(sv) register SV *sv; { - char *t = tokenbuf; + SV *t = sv_newmortal(); + STRLEN prevlen; int unref = 0; + sv_setpvn(t, "", 0); retry: if (!sv) { - strcpy(t, "VOID"); + sv_catpv(t, "VOID"); goto finish; } else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { - strcpy(t, "WILD"); + sv_catpv(t, "WILD"); goto finish; } else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { if (sv == &sv_undef) { - strcpy(t, "SV_UNDEF"); + sv_catpv(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"); + sv_catpv(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| @@ -823,7 +918,7 @@ register SV *sv; goto finish; } else { - strcpy(t, "SV_YES"); + sv_catpv(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| @@ -833,17 +928,18 @@ register SV *sv; SvNVX(sv) == 1.0) goto finish; } - t += strlen(t); - *t++ = ':'; + sv_catpv(t, ":"); } else if (SvREFCNT(sv) == 0) { - *t++ = '('; + sv_catpv(t, "("); unref++; } if (SvROK(sv)) { - *t++ = '\\'; - if (t - tokenbuf + unref > 10) { - strcpy(tokenbuf + unref + 3,"..."); + sv_catpv(t, "\\"); + if (SvCUR(t) + unref > 10) { + SvCUR(t) = unref + 3; + *SvEND(t) = '\0'; + sv_catpv(t, "..."); goto finish; } sv = (SV*)SvRV(sv); @@ -851,86 +947,85 @@ register SV *sv; } switch (SvTYPE(sv)) { default: - strcpy(t,"FREED"); + sv_catpv(t, "FREED"); goto finish; case SVt_NULL: - strcpy(t,"UNDEF"); - return tokenbuf; + sv_catpv(t, "UNDEF"); + goto finish; case SVt_IV: - strcpy(t,"IV"); + sv_catpv(t, "IV"); break; case SVt_NV: - strcpy(t,"NV"); + sv_catpv(t, "NV"); break; case SVt_RV: - strcpy(t,"RV"); + sv_catpv(t, "RV"); break; case SVt_PV: - strcpy(t,"PV"); + sv_catpv(t, "PV"); break; case SVt_PVIV: - strcpy(t,"PVIV"); + sv_catpv(t, "PVIV"); break; case SVt_PVNV: - strcpy(t,"PVNV"); + sv_catpv(t, "PVNV"); break; case SVt_PVMG: - strcpy(t,"PVMG"); + sv_catpv(t, "PVMG"); break; case SVt_PVLV: - strcpy(t,"PVLV"); + sv_catpv(t, "PVLV"); break; case SVt_PVAV: - strcpy(t,"AV"); + sv_catpv(t, "AV"); break; case SVt_PVHV: - strcpy(t,"HV"); + sv_catpv(t, "HV"); break; case SVt_PVCV: if (CvGV(sv)) - sprintf(t, "CV(%s)", GvNAME(CvGV(sv))); + sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); else - strcpy(t, "CV()"); + sv_catpv(t, "CV()"); goto finish; case SVt_PVGV: - strcpy(t,"GV"); + sv_catpv(t, "GV"); break; case SVt_PVBM: - strcpy(t,"BM"); + sv_catpv(t, "BM"); break; case SVt_PVFM: - strcpy(t,"FM"); + sv_catpv(t, "FM"); break; case SVt_PVIO: - strcpy(t,"IO"); + sv_catpv(t, "IO"); break; } - t += strlen(t); if (SvPOKp(sv)) { if (!SvPVX(sv)) - strcpy(t, "(null)"); + sv_catpv(t, "(null)"); if (SvOOK(sv)) - sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); + sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); else - sprintf(t,"(\"%.127s\")",SvPVX(sv)); + sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); + } + else if (SvNOKp(sv)) { + SET_NUMERIC_STANDARD(); + sv_catpvf(t, "(%g)",SvNVX(sv)); } - else if (SvNOKp(sv)) - sprintf(t,"(%g)",SvNVX(sv)); else if (SvIOKp(sv)) - sprintf(t,"(%ld)",(long)SvIVX(sv)); + sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); else - strcpy(t,"()"); + sv_catpv(t, "()"); finish: if (unref) { - t += strlen(t); while (unref--) - *t++ = ')'; - *t = '\0'; + sv_catpv(t, ")"); } - return tokenbuf; + return SvPV(t, na); } #endif @@ -961,12 +1056,12 @@ unsigned long newlen; { register char *s; -#ifdef MSDOS +#ifdef HAS_64K_LIMIT if (newlen >= 0x10000) { - fprintf(stderr, "Allocation too large: %lx\n", newlen); + PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); my_exit(1); } -#endif /* MSDOS */ +#endif /* HAS_64K_LIMIT */ if (SvROK(sv)) sv_unref(sv); if (SvTYPE(sv) < SVt_PV) { @@ -1027,7 +1122,7 @@ IV i; case SVt_PVFM: case SVt_PVIO: croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), - op_name[op->op_type]); + op_desc[op->op_type]); } (void)SvIOK_only(sv); /* validate number */ SvIVX(sv) = i; @@ -1035,6 +1130,17 @@ IV i; } void +sv_setuv(sv,u) +register SV *sv; +UV u; +{ + if (u <= IV_MAX) + sv_setiv(sv, u); + else + sv_setnv(sv, (double)u); +} + +void sv_setnv(sv,num) register SV *sv; double num; @@ -1089,20 +1195,38 @@ SV *sv; char tmpbuf[64]; char *d = tmpbuf; char *s; - int i; + char *limit = tmpbuf + sizeof(tmpbuf) - 8; + /* each *s can expand to 4 chars + "...\0", + i.e. need room for 8 chars */ - for (s = SvPVX(sv), i = 50; *s && i; s++,i--) { - int ch = *s; - if (ch & 128 && !isprint(ch)) { + for (s = SvPVX(sv); *s && d < limit; s++) { + int ch = *s & 0xFF; + if (ch & 128 && !isPRINT_LC(ch)) { *d++ = 'M'; *d++ = '-'; ch &= 127; } - if (isprint(ch)) + if (ch == '\n') { + *d++ = '\\'; + *d++ = 'n'; + } + else if (ch == '\r') { + *d++ = '\\'; + *d++ = 'r'; + } + else if (ch == '\f') { + *d++ = '\\'; + *d++ = 'f'; + } + else if (ch == '\\') { + *d++ = '\\'; + *d++ = '\\'; + } + else if (isPRINT_LC(ch)) *d++ = ch; else { *d++ = '^'; - *d++ = ch ^ 64; + *d++ = toCTRL(ch); } } if (*s) { @@ -1135,14 +1259,13 @@ register SV *sv; else return (IV) U_V(SvNVX(sv)); } - if (SvPOKp(sv) && SvLEN(sv)) { - if (dowarn && !looks_like_number(sv)) - not_a_number(sv); - return (IV)atol(SvPVX(sv)); + if (SvPOKp(sv) && SvLEN(sv)) + return asIV(sv); + if (!SvROK(sv)) { + if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) + warn(warn_uninit); + return 0; } - if (!SvROK(sv)) { - return 0; - } } if (SvTHINKFIRST(sv)) { if (SvROK(sv)) { @@ -1160,11 +1283,8 @@ register SV *sv; else return (IV) U_V(SvNVX(sv)); } - if (SvPOKp(sv) && SvLEN(sv)) { - if (dowarn && !looks_like_number(sv)) - not_a_number(sv); - return (IV)atol(SvPVX(sv)); - } + if (SvPOKp(sv) && SvLEN(sv)) + return asIV(sv); if (dowarn) warn(warn_uninit); return 0; @@ -1173,7 +1293,7 @@ register SV *sv; switch (SvTYPE(sv)) { case SVt_NULL: sv_upgrade(sv, SVt_IV); - return SvIVX(sv); + break; case SVt_PV: sv_upgrade(sv, SVt_PVIV); break; @@ -1186,24 +1306,91 @@ register SV *sv; if (SvNVX(sv) < 0.0) SvIVX(sv) = I_V(SvNVX(sv)); else - SvIVX(sv) = (IV) U_V(SvNVX(sv)); + SvUVX(sv) = U_V(SvNVX(sv)); } else if (SvPOKp(sv) && SvLEN(sv)) { - if (dowarn && !looks_like_number(sv)) - not_a_number(sv); (void)SvIOK_on(sv); - SvIVX(sv) = (IV)atol(SvPVX(sv)); + SvIVX(sv) = asIV(sv); } else { if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) warn(warn_uninit); return 0; } - DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n", + DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", (unsigned long)sv,(long)SvIVX(sv))); return SvIVX(sv); } +UV +sv_2uv(sv) +register SV *sv; +{ + if (!sv) + return 0; + if (SvGMAGICAL(sv)) { + mg_get(sv); + if (SvIOKp(sv)) + return SvUVX(sv); + if (SvNOKp(sv)) + return U_V(SvNVX(sv)); + if (SvPOKp(sv) && SvLEN(sv)) + return asUV(sv); + if (!SvROK(sv)) { + if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) + warn(warn_uninit); + return 0; + } + } + if (SvTHINKFIRST(sv)) { + if (SvROK(sv)) { +#ifdef OVERLOAD + SV* tmpstr; + if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) + return SvUV(tmpstr); +#endif /* OVERLOAD */ + return (UV)SvRV(sv); + } + if (SvREADONLY(sv)) { + if (SvNOKp(sv)) { + return U_V(SvNVX(sv)); + } + if (SvPOKp(sv) && SvLEN(sv)) + return asUV(sv); + if (dowarn) + warn(warn_uninit); + return 0; + } + } + switch (SvTYPE(sv)) { + case SVt_NULL: + sv_upgrade(sv, SVt_IV); + break; + case SVt_PV: + sv_upgrade(sv, SVt_PVIV); + break; + case SVt_NV: + sv_upgrade(sv, SVt_PVNV); + break; + } + if (SvNOKp(sv)) { + (void)SvIOK_on(sv); + SvUVX(sv) = U_V(SvNVX(sv)); + } + else if (SvPOKp(sv) && SvLEN(sv)) { + (void)SvIOK_on(sv); + SvUVX(sv) = asUV(sv); + } + else { + if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) + warn(warn_uninit); + return 0; + } + DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", + (unsigned long)sv,SvUVX(sv))); + return SvUVX(sv); +} + double sv_2nv(sv) register SV *sv; @@ -1217,11 +1404,14 @@ register SV *sv; if (SvPOKp(sv) && SvLEN(sv)) { if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) not_a_number(sv); + SET_NUMERIC_STANDARD(); return atof(SvPVX(sv)); } if (SvIOKp(sv)) return (double)SvIVX(sv); if (!SvROK(sv)) { + if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) + warn(warn_uninit); return 0; } } @@ -1238,6 +1428,7 @@ register SV *sv; if (SvPOKp(sv) && SvLEN(sv)) { if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) not_a_number(sv); + SET_NUMERIC_STANDARD(); return atof(SvPVX(sv)); } if (SvIOKp(sv)) @@ -1252,7 +1443,9 @@ register SV *sv; sv_upgrade(sv, SVt_PVNV); else sv_upgrade(sv, SVt_NV); - DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); + DEBUG_c(SET_NUMERIC_STANDARD()); + DEBUG_c(PerlIO_printf(Perl_debug_log, + "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); } else if (SvTYPE(sv) < SVt_PVNV) sv_upgrade(sv, SVt_PVNV); @@ -1264,6 +1457,7 @@ register SV *sv; else if (SvPOKp(sv) && SvLEN(sv)) { if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) not_a_number(sv); + SET_NUMERIC_STANDARD(); SvNVX(sv) = atof(SvPVX(sv)); } else { @@ -1272,10 +1466,127 @@ register SV *sv; return 0.0; } SvNOK_on(sv); - DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); + DEBUG_c(SET_NUMERIC_STANDARD()); + DEBUG_c(PerlIO_printf(Perl_debug_log, + "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); return SvNVX(sv); } +static IV +asIV(sv) +SV *sv; +{ + I32 numtype = looks_like_number(sv); + double d; + + if (numtype == 1) + return atol(SvPVX(sv)); + if (!numtype && dowarn) + not_a_number(sv); + SET_NUMERIC_STANDARD(); + d = atof(SvPVX(sv)); + if (d < 0.0) + return I_V(d); + else + return (IV) U_V(d); +} + +static UV +asUV(sv) +SV *sv; +{ + I32 numtype = looks_like_number(sv); + +#ifdef HAS_STRTOUL + if (numtype == 1) + return strtoul(SvPVX(sv), Null(char**), 10); +#endif + if (!numtype && dowarn) + not_a_number(sv); + SET_NUMERIC_STANDARD(); + return U_V(atof(SvPVX(sv))); +} + +I32 +looks_like_number(sv) +SV *sv; +{ + register char *s; + register char *send; + register char *sbegin; + I32 numtype; + STRLEN len; + + if (SvPOK(sv)) { + sbegin = SvPVX(sv); + len = SvCUR(sv); + } + else if (SvPOKp(sv)) + sbegin = SvPV(sv, len); + else + return 1; + send = sbegin + len; + + s = sbegin; + while (isSPACE(*s)) + s++; + if (*s == '+' || *s == '-') + s++; + + /* next must be digit or '.' */ + if (isDIGIT(*s)) { + do { + s++; + } while (isDIGIT(*s)); + if (*s == '.') { + s++; + while (isDIGIT(*s)) /* optional digits after "." */ + s++; + } + } + else if (*s == '.') { + s++; + /* no digits before '.' means we need digits after it */ + if (isDIGIT(*s)) { + do { + s++; + } while (isDIGIT(*s)); + } + else + return 0; + } + else + return 0; + + /* + * we return 1 if the number can be converted to _integer_ with atol() + * and 2 if you need (int)atof(). + */ + numtype = 1; + + /* we can have an optional exponent part */ + if (*s == 'e' || *s == 'E') { + numtype = 2; + s++; + if (*s == '+' || *s == '-') + s++; + if (isDIGIT(*s)) { + do { + s++; + } while (isDIGIT(*s)); + } + else + return 0; + } + while (isSPACE(*s)) + s++; + if (s >= send) + return numtype; + if (len == 10 && memEQ(sbegin, "0 but true", 10)) + return 1; + return 0; +} + char * sv_2pv(sv, lp) register SV *sv; @@ -1283,6 +1594,7 @@ STRLEN *lp; { register char *s; int olderrno; + SV *tsv; if (!sv) { *lp = 0; @@ -1296,13 +1608,18 @@ STRLEN *lp; } if (SvIOKp(sv)) { (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); + tsv = Nullsv; goto tokensave; } if (SvNOKp(sv)) { + SET_NUMERIC_STANDARD(); Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); + tsv = Nullsv; goto tokensave; } if (!SvROK(sv)) { + if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) + warn(warn_uninit); *lp = 0; return ""; } @@ -1334,14 +1651,15 @@ STRLEN *lp; case SVt_PVCV: s = "CODE"; break; case SVt_PVGV: s = "GLOB"; break; case SVt_PVFM: s = "FORMATLINE"; break; - case SVt_PVIO: s = "FILEHANDLE"; break; + case SVt_PVIO: s = "IO"; break; default: s = "UNKNOWN"; break; } + tsv = NEWSV(0,0); if (SvOBJECT(sv)) - sprintf(tokenbuf, "%s=%s(0x%lx)", - HvNAME(SvSTASH(sv)), s, (unsigned long)sv); + sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); else - sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv); + sv_setpv(tsv, s); + sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); goto tokensaveref; } *lp = strlen(s); @@ -1349,11 +1667,14 @@ STRLEN *lp; } if (SvREADONLY(sv)) { if (SvNOKp(sv)) { + SET_NUMERIC_STANDARD(); Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); + tsv = Nullsv; goto tokensave; } if (SvIOKp(sv)) { (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); + tsv = Nullsv; goto tokensave; } if (dowarn) @@ -1375,7 +1696,10 @@ STRLEN *lp; (void)strcpy(s,"0"); else #endif /*apollo*/ + { + SET_NUMERIC_STANDARD(); Gconvert(SvNVX(sv), DBL_DIG, 0, s); + } errno = olderrno; #ifdef FIXNEGATIVEZERO if (*s == '-' && s[1] == '0' && !s[2]) @@ -1384,18 +1708,21 @@ STRLEN *lp; while (*s) s++; #ifdef hcx if (s[-1] == '.') - s--; + *--s = '\0'; #endif } else if (SvIOKp(sv)) { + U32 oldIOK = SvIOK(sv); if (SvTYPE(sv) < SVt_PVIV) sv_upgrade(sv, SVt_PVIV); - SvGROW(sv, 11); - s = SvPVX(sv); olderrno = errno; /* some Xenix systems wipe out errno here */ - (void)sprintf(s,"%ld",(long)SvIVX(sv)); + sv_setpviv(sv, SvIVX(sv)); errno = olderrno; - while (*s) s++; + s = SvEND(sv); + if (oldIOK) + SvIOK_on(sv); + else + SvIOKp_on(sv); } else { if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) @@ -1403,11 +1730,10 @@ STRLEN *lp; *lp = 0; return ""; } - *s = '\0'; *lp = s - SvPVX(sv); SvCUR_set(sv, *lp); SvPOK_on(sv); - DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); + DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); return SvPVX(sv); tokensave: @@ -1415,24 +1741,37 @@ STRLEN *lp; /* Sneaky stuff here */ tokensaveref: - sv = sv_newmortal(); - *lp = strlen(tokenbuf); - sv_setpvn(sv, tokenbuf, *lp); - return SvPVX(sv); + if (!tsv) + tsv = newSVpv(tokenbuf, 0); + sv_2mortal(tsv); + *lp = SvCUR(tsv); + return SvPVX(tsv); } else { STRLEN len; - + char *t; + + if (tsv) { + sv_2mortal(tsv); + t = SvPVX(tsv); + len = SvCUR(tsv); + } + else { + t = tokenbuf; + len = strlen(tokenbuf); + } #ifdef FIXNEGATIVEZERO - if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2]) - strcpy(tokenbuf,"0"); + if (len == 2 && t[0] == '-' && t[1] == '0') { + t = "0"; + len = 1; + } #endif (void)SvUPGRADE(sv, SVt_PV); - len = *lp = strlen(tokenbuf); + *lp = len; s = SvGROW(sv, len + 1); SvCUR_set(sv, len); - (void)strcpy(s, tokenbuf); - /* NO SvPOK_on(sv) here! */ + (void)strcpy(s, t); + SvPOKp_on(sv); return s; } } @@ -1523,22 +1862,20 @@ register SV *sstr; (void)SvOK_off(dstr); return; case SVt_IV: - if (dtype <= SVt_PV) { + if (dtype != SVt_IV && dtype < SVt_PVIV) { if (dtype < SVt_IV) sv_upgrade(dstr, SVt_IV); else if (dtype == SVt_NV) sv_upgrade(dstr, SVt_PVNV); - else if (dtype <= SVt_PV) + else sv_upgrade(dstr, SVt_PVIV); } break; case SVt_NV: - if (dtype <= SVt_PVIV) { + if (dtype != SVt_NV && dtype < SVt_PVNV) { if (dtype < SVt_NV) sv_upgrade(dstr, SVt_NV); - else if (dtype == SVt_PVIV) - sv_upgrade(dstr, SVt_PVNV); - else if (dtype <= SVt_PV) + else sv_upgrade(dstr, SVt_PVNV); } break; @@ -1558,6 +1895,7 @@ register SV *sstr; } break; case SVt_PV: + case SVt_PVFM: if (dtype < SVt_PV) sv_upgrade(dstr, SVt_PV); break; @@ -1571,7 +1909,7 @@ register SV *sstr; break; case SVt_PVLV: - sv_upgrade(dstr, SVt_PVNV); + sv_upgrade(dstr, SVt_PVLV); break; case SVt_PVAV: @@ -1598,9 +1936,14 @@ register SV *sstr; GvNAMELEN(dstr) = len; SvFAKE_on(dstr); /* can coerce to non-glob */ } + /* ahem, death to those who redefine active sort subs */ + else if (curstack == sortstack + && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) + croak("Can't redefine active sort subroutine %s", + GvNAME(dstr)); (void)SvOK_off(dstr); GvINTRO_off(dstr); /* one-shot flag */ - gp_free(dstr); + gp_free((GV*)dstr); GvGP(dstr) = gp_ref(GvGP(sstr)); SvTAINT(dstr); if (curcop->cop_stash != GvSTASH(dstr)) @@ -1611,10 +1954,16 @@ register SV *sstr; /* FALL THROUGH */ default: + if (SvGMAGICAL(sstr)) { + mg_get(sstr); + if (SvTYPE(sstr) != stype) { + stype = SvTYPE(sstr); + if (stype == SVt_PVGV && dtype <= SVt_PVGV) + goto glob_assign; + } + } if (dtype < stype) sv_upgrade(dstr, stype); - if (SvGMAGICAL(sstr)) - mg_get(sstr); } sflags = SvFLAGS(sstr); @@ -1631,11 +1980,10 @@ register SV *sstr; GvGP(dstr)->gp_refcnt--; GvINTRO_off(dstr); /* one-shot flag */ Newz(602,gp, 1, GP); - GvGP(dstr) = gp; - GvREFCNT(dstr) = 1; + GvGP(dstr) = gp_ref(gp); GvSV(dstr) = NEWSV(72,0); GvLINE(dstr) = curcop->cop_line; - GvEGV(dstr) = dstr; + GvEGV(dstr) = (GV*)dstr; } GvMULTI_on(dstr); switch (SvTYPE(sref)) { @@ -1658,23 +2006,44 @@ register SV *sstr; GvIMPORTED_HV_on(dstr); break; case SVt_PVCV: - if (intro) + if (intro) { + if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { + SvREFCNT_dec(GvCV(dstr)); + GvCV(dstr) = Nullcv; + GvCVGEN(dstr) = 0; /* Switch off cacheness. */ + sub_generation++; + } SAVESPTR(GvCV(dstr)); - else { + } + else + dref = (SV*)GvCV(dstr); + if (GvCV(dstr) != (CV*)sref) { CV* cv = GvCV(dstr); if (cv) { - dref = (SV*)cv; - if (dowarn && sref != dref && - !GvCVGEN((GV*)dstr) && - (CvROOT(cv) || CvXSUB(cv)) ) - warn("Subroutine %s redefined", - GvENAME((GV*)dstr)); - SvFAKE_on(cv); + if (!GvCVGEN((GV*)dstr) && + (CvROOT(cv) || CvXSUB(cv))) + { + /* ahem, death to those who redefine + * active sort subs */ + if (curstack == sortstack && + sortcop == CvSTART(cv)) + croak( + "Can't redefine active sort subroutine %s", + GvENAME((GV*)dstr)); + if (cv_const_sv(cv)) + warn("Constant subroutine %s redefined", + GvENAME((GV*)dstr)); + else if (dowarn) + warn("Subroutine %s redefined", + GvENAME((GV*)dstr)); + } + cv_ckproto(cv, (GV*)dstr, + SvPOK(sref) ? SvPVX(sref) : Nullch); } - } - if (GvCV(dstr) != (CV*)sref) { GvCV(dstr) = (CV*)sref; + GvCVGEN(dstr) = 0; /* Switch off cacheness. */ GvASSUMECV_on(dstr); + sub_generation++; } if (curcop->cop_stash != GvSTASH(dstr)) GvIMPORTED_CV_on(dstr); @@ -1704,6 +2073,7 @@ register SV *sstr; return; } if (SvPVX(dstr)) { + (void)SvOOK_off(dstr); /* backoff */ Safefree(SvPVX(dstr)); SvLEN(dstr)=SvCUR(dstr)=0; } @@ -1796,10 +2166,11 @@ register SV *sstr; void sv_setpvn(sv,ptr,len) register SV *sv; -register char *ptr; +register const char *ptr; register STRLEN len; { - assert(len >= 0); + assert(len >= 0); /* STRLEN is probably unsigned, so this may + elicit a warning, but it won't hurt. */ if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) croak(no_modify); @@ -1827,7 +2198,7 @@ register STRLEN len; void sv_setpv(sv,ptr) register SV *sv; -register char *ptr; +register const char *ptr; { register STRLEN len; @@ -1980,7 +2351,7 @@ STRLEN len; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -1991,6 +2362,8 @@ STRLEN len; return sv; } +/* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ + void sv_magic(sv, obj, how, name, namlen) register SV *sv; @@ -2001,7 +2374,7 @@ I32 namlen; { MAGIC* mg; - if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how)) + if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how)) croak(no_modify); if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { @@ -2026,8 +2399,12 @@ I32 namlen; } mg->mg_type = how; mg->mg_len = namlen; - if (name && namlen >= 0) - mg->mg_ptr = savepvn(name, namlen); + if (name) + if (namlen >= 0) + mg->mg_ptr = savepvn(name, namlen); + else if (namlen == HEf_SVKEY) + mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); + switch (how) { case 0: mg->mg_virtual = &vtbl_sv; @@ -2049,6 +2426,9 @@ I32 namlen; case 'E': mg->mg_virtual = &vtbl_env; break; + case 'f': + mg->mg_virtual = &vtbl_fm; + break; case 'e': mg->mg_virtual = &vtbl_envelem; break; @@ -2061,6 +2441,9 @@ I32 namlen; case 'i': mg->mg_virtual = &vtbl_isaelem; break; + case 'k': + mg->mg_virtual = &vtbl_nkeys; + break; case 'L': SvRMAGICAL_on(sv); mg->mg_virtual = 0; @@ -2068,6 +2451,11 @@ I32 namlen; case 'l': mg->mg_virtual = &vtbl_dbline; break; +#ifdef USE_LOCALE_COLLATE + case 'o': + mg->mg_virtual = &vtbl_collxfrm; + break; +#endif /* USE_LOCALE_COLLATE */ case 'P': mg->mg_virtual = &vtbl_pack; break; @@ -2094,6 +2482,9 @@ I32 namlen; case 'x': mg->mg_virtual = &vtbl_substr; break; + case 'y': + mg->mg_virtual = &vtbl_defelem; + break; case '*': mg->mg_virtual = &vtbl_glob; break; @@ -2134,7 +2525,10 @@ int type; if (vtbl && vtbl->svt_free) (*vtbl->svt_free)(sv, mg); if (mg->mg_ptr && mg->mg_type != 'g') - Safefree(mg->mg_ptr); + if (mg->mg_len >= 0) + Safefree(mg->mg_ptr); + else if (mg->mg_len == HEf_SVKEY) + SvREFCNT_dec((SV*)mg->mg_ptr); if (mg->mg_flags & MGf_REFCOUNTED) SvREFCNT_dec(mg->mg_obj); Safefree(mg); @@ -2259,8 +2653,10 @@ register SV *nsv; } SvREFCNT(sv) = 0; sv_clear(sv); + assert(!SvREFCNT(sv)); StructCopy(nsv,sv,SV); SvREFCNT(sv) = refcnt; + SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ del_SV(nsv); } @@ -2272,30 +2668,35 @@ register SV *sv; assert(SvREFCNT(sv) == 0); if (SvOBJECT(sv)) { - dSP; - GV* destructor; - if (defstash) { /* Still have a symbol table? */ - destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); + dSP; + GV* destructor; ENTER; SAVEFREESV(SvSTASH(sv)); - if (destructor && GvCV(destructor)) { + + destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); + if (destructor) { SV ref; Zero(&ref, 1, SV); sv_upgrade(&ref, SVt_RV); - SAVEI32(SvREFCNT(sv)); SvRV(&ref) = SvREFCNT_inc(sv); SvROK_on(&ref); + SvREFCNT(&ref) = 1; /* Fake, but otherwise + creating+destructing a ref + leads to disaster. */ EXTEND(SP, 2); PUSHMARK(SP); PUSHs(&ref); PUTBACK; - perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR); + perl_call_sv((SV*)GvCV(destructor), + G_DISCARD|G_EVAL|G_KEEPERR); del_XRV(SvANY(&ref)); + SvREFCNT(sv)--; } + LEAVE; } else @@ -2305,12 +2706,21 @@ register SV *sv; if (SvTYPE(sv) != SVt_PVIO) --sv_objcount; /* XXX Might want something more general */ } + if (SvREFCNT(sv)) { + if (in_clean_objs) + croak("DESTROY created new reference to dead object"); + /* DESTROY gave object new lease on life */ + return; + } } if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) mg_free(sv); switch (SvTYPE(sv)) { case SVt_PVIO: - io_close((IO*)sv); + if (IoIFP(sv) != PerlIO_stdin() && + IoIFP(sv) != PerlIO_stdout() && + IoIFP(sv) != PerlIO_stderr()) + io_close((IO*)sv); Safefree(IoTOP_NAME(sv)); Safefree(IoFMT_NAME(sv)); Safefree(IoBOTTOM_NAME(sv)); @@ -2328,7 +2738,7 @@ register SV *sv; av_undef((AV*)sv); break; case SVt_PVGV: - gp_free(sv); + gp_free((GV*)sv); Safefree(GvNAME(sv)); /* FALL THROUGH */ case SVt_PVLV: @@ -2342,7 +2752,7 @@ register SV *sv; case SVt_RV: if (SvROK(sv)) SvREFCNT_dec(SvRV(sv)); - else if (SvPVX(sv)) + else if (SvPVX(sv) && SvLEN(sv)) Safefree(SvPVX(sv)); break; /* @@ -2428,6 +2838,8 @@ SV *sv; if (SvREFCNT(sv) == 0) { if (SvFLAGS(sv) & SVf_BREAK) return; + if (in_clean_all) /* All is fair */ + return; warn("Attempt to free unreferenced scalar"); return; } @@ -2440,7 +2852,8 @@ SV *sv; } #endif sv_clear(sv); - del_SV(sv); + if (! SvREFCNT(sv)) + del_SV(sv); } STRLEN @@ -2485,59 +2898,146 @@ register SV *str2; if (cur1 != cur2) return 0; - return !bcmp(pv1, pv2, cur1); + return memEQ(pv1, pv2, cur1); } I32 -sv_cmp(str1,str2) +sv_cmp(str1, str2) register SV *str1; register SV *str2; { + STRLEN cur1 = 0; + char *pv1 = str1 ? SvPV(str1, cur1) : NULL; + STRLEN cur2 = 0; + char *pv2 = str2 ? SvPV(str2, cur2) : NULL; I32 retval; - char *pv1; - STRLEN cur1; - char *pv2; - STRLEN cur2; - - if (!str1) { - pv1 = ""; - cur1 = 0; - } - else - pv1 = SvPV(str1, cur1); - - if (!str2) { - pv2 = ""; - cur2 = 0; - } - else - pv2 = SvPV(str2, cur2); if (!cur1) return cur2 ? -1 : 0; + if (!cur2) return 1; - if (cur1 < cur2) { - /*SUPPRESS 560*/ - if (retval = memcmp((void*)pv1, (void*)pv2, cur1)) - return retval < 0 ? -1 : 1; - else - return -1; - } - /*SUPPRESS 560*/ - else if (retval = memcmp((void*)pv1, (void*)pv2, cur2)) + retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); + + if (retval) return retval < 0 ? -1 : 1; - else if (cur1 == cur2) + + if (cur1 == cur2) return 0; else - return 1; + return cur1 < cur2 ? -1 : 1; +} + +I32 +sv_cmp_locale(sv1, sv2) +register SV *sv1; +register SV *sv2; +{ +#ifdef USE_LOCALE_COLLATE + + char *pv1, *pv2; + STRLEN len1, len2; + I32 retval; + + if (collation_standard) + goto raw_compare; + + len1 = 0; + pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL; + len2 = 0; + pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL; + + if (!pv1 || !len1) { + if (pv2 && len2) + return -1; + else + goto raw_compare; + } + else { + if (!pv2 || !len2) + return 1; + } + + retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); + + if (retval) + return retval < 0 ? -1 : 1; + + /* + * When the result of collation is equality, that doesn't mean + * that there are no differences -- some locales exclude some + * characters from consideration. So to avoid false equalities, + * we use the raw string as a tiebreaker. + */ + + raw_compare: + /* FALL THROUGH */ + +#endif /* USE_LOCALE_COLLATE */ + + return sv_cmp(sv1, sv2); +} + +#ifdef USE_LOCALE_COLLATE +/* + * Any scalar variable may carry an 'o' magic that contains the + * scalar data of the variable transformed to such a format that + * a normal memory comparison can be used to compare the data + * according to the locale settings. + */ +char * +sv_collxfrm(sv, nxp) + SV *sv; + STRLEN *nxp; +{ + MAGIC *mg; + + mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL; + if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { + char *s, *xf; + STRLEN len, xlen; + + if (mg) + Safefree(mg->mg_ptr); + s = SvPV(sv, len); + if ((xf = mem_collxfrm(s, len, &xlen))) { + if (SvREADONLY(sv)) { + SAVEFREEPV(xf); + *nxp = xlen; + return xf + sizeof(collation_ix); + } + if (! mg) { + sv_magic(sv, 0, 'o', 0, 0); + mg = mg_find(sv, 'o'); + assert(mg); + } + mg->mg_ptr = xf; + mg->mg_len = xlen; + } + else { + if (mg) { + mg->mg_ptr = NULL; + mg->mg_len = -1; + } + } + } + if (mg && mg->mg_ptr) { + *nxp = mg->mg_len; + return mg->mg_ptr + sizeof(collation_ix); + } + else { + *nxp = 0; + return NULL; + } } +#endif /* USE_LOCALE_COLLATE */ + char * sv_gets(sv,fp,append) register SV *sv; -register FILE *fp; +register PerlIO *fp; I32 append; { char *rsptr; @@ -2547,16 +3047,6 @@ I32 append; register I32 cnt; I32 i; -#ifdef FAST_SV_GETS - /* - * We're going to steal some values from the stdio struct - * and put EVERYTHING in the innermost loop into registers. - */ - register STDCHAR *ptr; - STRLEN bpx; - I32 shortbuffered; -#endif - if (SvTHINKFIRST(sv)) { if (SvREADONLY(sv) && curcop != &compiling) croak(no_modify); @@ -2565,6 +3055,7 @@ I32 append; } if (!SvUPGRADE(sv, SVt_PV)) return 0; + SvSCREAM_off(sv); if (RsSNARF(rs)) { rsptr = NULL; @@ -2580,23 +3071,49 @@ I32 append; if (RsPARA(rs)) { /* have to do this both before and after */ do { /* to make sure file boundaries work right */ - if (feof(fp)) + if (PerlIO_eof(fp)) return 0; - i = getc(fp); + i = PerlIO_getc(fp); if (i != '\n') { if (i == -1) return 0; - ungetc(i,fp); + PerlIO_ungetc(fp,i); break; } } while (i != EOF); } -#ifdef FAST_SV_GETS + /* See if we know enough about I/O mechanism to cheat it ! */ + + /* This used to be #ifdef test - it is made run-time test for ease + of abstracting out stdio interface. One call should be cheap + enough here - and may even be a macro allowing compile + time optimization. + */ + + if (PerlIO_fast_gets(fp)) { + + /* + * We're going to steal some values from the stdio struct + * and put EVERYTHING in the innermost loop into registers. + */ + register STDCHAR *ptr; + STRLEN bpx; + I32 shortbuffered; + +#if defined(VMS) && defined(PERLIO_IS_STDIO) + /* An ungetc()d char is handled separately from the regular + * buffer, so we getc() it back out and stuff it in the buffer. + */ + i = PerlIO_getc(fp); + if (i == EOF) return 0; + *(--((*fp)->_ptr)) = (unsigned char) i; + (*fp)->_cnt++; +#endif /* Here is some breathtakingly efficient cheating */ - cnt = FILE_cnt(fp); /* get count into register */ + cnt = PerlIO_get_cnt(fp); /* get count into register */ (void)SvPOK_only(sv); /* validate pointer */ if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ if (cnt > 80 && SvLEN(sv) > append) { @@ -2605,24 +3122,32 @@ I32 append; } else { shortbuffered = 0; - SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */ + /* remember that cnt can be negative */ + SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); } } else shortbuffered = 0; bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ - ptr = FILE_ptr(fp); + ptr = (STDCHAR*)PerlIO_get_ptr(fp); + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", + (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), + (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); for (;;) { screamer: if (cnt > 0) { if (rslen) { - while (--cnt >= 0) { /* this | eat */ + while (cnt > 0) { /* this | eat */ + cnt--; if ((*bp++ = *ptr++) == rslast) /* really | dust */ goto thats_all_folks; /* screams | sed :-) */ } } else { - memcpy((char*)bp, (char*)ptr, cnt); /* this | eat */ + Copy(ptr, bp, cnt, char); /* this | eat */ bp += cnt; /* screams | dust */ ptr += cnt; /* louder | sed :-) */ cnt = 0; @@ -2639,11 +3164,25 @@ I32 append; continue; } - FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */ - FILE_ptr(fp) = ptr; - i = _filbuf(fp); /* get more characters */ - cnt = FILE_cnt(fp); - ptr = FILE_ptr(fp); /* reregisterize cnt and ptr */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); + PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", + (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), + (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); + /* This used to call 'filbuf' in stdio form, but as that behaves like + getc when cnt <= 0 we use PerlIO_getc here to avoid introducing + another abstraction. */ + i = PerlIO_getc(fp); /* get more characters */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", + (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), + (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); + cnt = PerlIO_get_cnt(fp); + ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); if (i == EOF) /* all done for ever? */ goto thats_really_all_folks; @@ -2653,7 +3192,7 @@ I32 append; SvGROW(sv, bpx + cnt + 2); bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ - *bp++ = i; /* store character from _filbuf */ + *bp++ = i; /* store character from PerlIO_getc */ if (rslen && (STDCHAR)i == rslast) /* all done for now? */ goto thats_all_folks; @@ -2661,58 +3200,77 @@ I32 append; thats_all_folks: if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || - bcmp((char*)bp - rslen, rsptr, rslen)) - goto screamer; /* go back to the fray */ + memNE((char*)bp - rslen, rsptr, rslen)) + goto screamer; /* go back to the fray */ thats_really_all_folks: if (shortbuffered) cnt += shortbuffered; - FILE_cnt(fp) = cnt; /* put these back or we're in trouble */ - FILE_ptr(fp) = ptr; + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); + PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", + (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), + (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); *bp = '\0'; - SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ - -#else /* SV_FAST_GETS */ - - /*The big, slow, and stupid way */ - + SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ + DEBUG_P(PerlIO_printf(Perl_debug_log, + "Screamer: done, len=%ld, string=|%.*s|\n", + (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); + } + else { + /*The big, slow, and stupid way */ STDCHAR buf[8192]; -screamer: +screamer2: if (rslen) { register STDCHAR *bpe = buf + sizeof(buf); bp = buf; - while ((i = getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) + while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) ; /* keep reading */ cnt = bp - buf; } else { - cnt = fread((char*)buf, 1, sizeof(buf), fp); - i = cnt ? (U8)buf[cnt - 1] : EOF; + cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); + /* Accomodate broken VAXC compiler, which applies U8 cast to + * both args of ?: operator, causing EOF to change into 255 + */ + if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } } if (append) - sv_catpvn(sv, buf, cnt); + sv_catpvn(sv, (char *) buf, cnt); else - sv_setpvn(sv, buf, cnt); + sv_setpvn(sv, (char *) buf, cnt); if (i != EOF && /* joy */ (!rslen || SvCUR(sv) < rslen || - bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) + memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) { append = -1; - goto screamer; + /* + * If we're reading from a TTY and we get a short read, + * indicating that the user hit his EOF character, we need + * to notice it now, because if we try to read from the TTY + * again, the EOF condition will disappear. + * + * The comparison of cnt to sizeof(buf) is an optimization + * that prevents unnecessary calls to feof(). + * + * - jik 9/25/96 + */ + if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) + goto screamer2; } } -#endif /* SV_FAST_GETS */ - if (RsPARA(rs)) { /* have to do this both before and after */ while (i != EOF) { /* to make sure file boundaries work right */ - i = getc(fp); + i = PerlIO_getc(fp); if (i != '\n') { - ungetc(i,fp); + PerlIO_ungetc(fp,i); break; } } @@ -2721,6 +3279,7 @@ screamer: return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; } + void sv_inc(sv) register SV *sv; @@ -2743,14 +3302,18 @@ register SV *sv; if (SvGMAGICAL(sv)) mg_get(sv); flags = SvFLAGS(sv); - if (flags & SVp_IOK) { - (void)SvIOK_only(sv); - ++SvIVX(sv); - return; - } if (flags & SVp_NOK) { - SvNVX(sv) += 1.0; (void)SvNOK_only(sv); + SvNVX(sv) += 1.0; + return; + } + if (flags & SVp_IOK) { + if (SvIVX(sv) == IV_MAX) + sv_setnv(sv, (double)IV_MAX + 1.0); + else { + (void)SvIOK_only(sv); + ++SvIVX(sv); + } return; } if (!(flags & SVp_POK) || !*SvPVX(sv)) { @@ -2764,7 +3327,8 @@ register SV *sv; while (isALPHA(*d)) d++; while (isDIGIT(*d)) d++; if (*d) { - sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ + SET_NUMERIC_STANDARD(); + sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ return; } d--; @@ -2813,16 +3377,20 @@ register SV *sv; if (SvGMAGICAL(sv)) mg_get(sv); flags = SvFLAGS(sv); - if (flags & SVp_IOK) { - (void)SvIOK_only(sv); - --SvIVX(sv); - return; - } if (flags & SVp_NOK) { SvNVX(sv) -= 1.0; (void)SvNOK_only(sv); return; } + if (flags & SVp_IOK) { + if (SvIVX(sv) == IV_MIN) + sv_setnv(sv, (double)IV_MIN - 1.0); + else { + (void)SvIOK_only(sv); + --SvIVX(sv); + } + return; + } if (!(flags & SVp_POK)) { if ((flags & SVTYPEMASK) < SVt_PVNV) sv_upgrade(sv, SVt_NV); @@ -2830,7 +3398,8 @@ register SV *sv; (void)SvNOK_only(sv); return; } - sv_setnv(sv,atof(SvPVX(sv)) - 1.0); + SET_NUMERIC_STANDARD(); + sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ } /* Make a string that will exist for the duration of the expression @@ -2841,7 +3410,7 @@ register SV *sv; static void sv_mortalgrow() { - tmps_max += 128; + tmps_max += (tmps_max < 512) ? 128 : 512; Renew(tmps_stack, tmps_max, SV*); } @@ -2851,7 +3420,7 @@ SV *oldstr; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -2868,7 +3437,7 @@ sv_newmortal() { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = SVs_TEMP; @@ -2902,7 +3471,7 @@ STRLEN len; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -2912,13 +3481,42 @@ STRLEN len; return sv; } +#ifdef I_STDARG +SV * +newSVpvf(const char* pat, ...) +#else +/*VARARGS0*/ +SV * +newSVpvf(pat, va_alist) +const char *pat; +va_dcl +#endif +{ + register SV *sv; + va_list args; + + new_SV(sv); + SvANY(sv) = 0; + SvREFCNT(sv) = 1; + SvFLAGS(sv) = 0; +#ifdef I_STDARG + va_start(args, pat); +#else + va_start(args); +#endif + sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); + va_end(args); + return sv; +} + + SV * newSVnv(n) double n; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -2932,7 +3530,7 @@ IV i; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -2946,7 +3544,7 @@ SV *ref; { register SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -2957,6 +3555,19 @@ SV *ref; return sv; } +#ifdef CRIPPLED_CC +SV * +newRV_noinc(ref) +SV *ref; +{ + register SV *sv; + + sv = newRV(ref); + SvREFCNT_dec(ref); + return sv; +} +#endif /* CRIPPLED_CC */ + /* make an exact duplicate of old */ SV * @@ -2971,7 +3582,7 @@ register SV *old; warn("semi-panic: attempt to dup freed string"); return Nullsv; } - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 1; SvFLAGS(sv) = 0; @@ -3023,24 +3634,22 @@ HV *stash; for (i = 0; i <= (I32) HvMAX(stash); i++) { for (entry = HvARRAY(stash)[i]; entry; - entry = entry->hent_next) { - if (!todo[(U8)*entry->hent_key]) + entry = HeNEXT(entry)) { + if (!todo[(U8)*HeKEY(entry)]) continue; - gv = (GV*)entry->hent_val; + gv = (GV*)HeVAL(entry); sv = GvSV(gv); (void)SvOK_off(sv); if (SvTYPE(sv) >= SVt_PV) { SvCUR_set(sv, 0); - SvTAINT(sv); if (SvPVX(sv) != Nullch) *SvPVX(sv) = '\0'; + SvTAINT(sv); } if (GvAV(gv)) { av_clear(GvAV(gv)); } - if (GvHV(gv)) { - if (HvNAME(GvHV(gv))) - continue; + if (GvHV(gv) && !HvNAME(GvHV(gv))) { hv_clear(GvHV(gv)); #ifndef VMS /* VMS has no environ array */ if (gv == envgv) @@ -3052,6 +3661,40 @@ HV *stash; } } +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; +} + CV * sv_2cv(sv, st, gvp, lref) SV *sv; @@ -3099,20 +3742,20 @@ I32 lref; return Nullcv; *st = GvESTASH(gv); fix_gv: - if (lref && !GvCV(gv)) { + if (lref && !GvCVu(gv)) { SV *tmpsv; ENTER; tmpsv = NEWSV(704,0); - gv_efullname(tmpsv, gv); - newSUB(start_subparse(), + gv_efullname3(tmpsv, gv, Nullch); + newSUB(start_subparse(FALSE, 0), newSVOP(OP_CONST, 0, tmpsv), Nullop, Nullop); LEAVE; - if (!GvCV(gv)) + if (!GvCVu(gv)) croak("Unable to create sub named \"%s\"", SvPV(sv,na)); } - return GvCV(gv); + return GvCVu(gv); } } @@ -3146,30 +3789,40 @@ register SV *sv; } } } -#endif /* SvTRUE */ +#endif /* !SvTRUE */ #ifndef SvIV -IV SvIV(Sv) -register SV *Sv; +IV +SvIV(sv) +register SV *sv; { - if (SvIOK(Sv)) - return SvIVX(Sv); - return sv_2iv(Sv); + if (SvIOK(sv)) + return SvIVX(sv); + return sv_2iv(sv); } -#endif /* SvIV */ +#endif /* !SvIV */ +#ifndef SvUV +UV +SvUV(sv) +register SV *sv; +{ + if (SvIOK(sv)) + return SvUVX(sv); + return sv_2uv(sv); +} +#endif /* !SvUV */ #ifndef SvNV -double SvNV(Sv) -register SV *Sv; +double +SvNV(sv) +register SV *sv; { - if (SvNOK(Sv)) - return SvNVX(Sv); - if (SvIOK(Sv)) - return (double)SvIVX(Sv); - return sv_2nv(Sv); + if (SvNOK(sv)) + return SvNVX(sv); + return sv_2nv(sv); } -#endif /* SvNV */ +#endif /* !SvNV */ #ifdef CRIPPLED_CC char * @@ -3225,7 +3878,7 @@ STRLEN *lp; if (!SvPOK(sv)) { SvPOK_on(sv); /* validate pointer */ SvTAINT(sv); - DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n", + DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", (unsigned long)sv,SvPVX(sv))); } } @@ -3269,6 +3922,10 @@ int sv_isobject(sv) SV *sv; { + if (!sv) + return 0; + if (SvGMAGICAL(sv)) + mg_get(sv); if (!SvROK(sv)) return 0; sv = (SV*)SvRV(sv); @@ -3282,6 +3939,10 @@ sv_isa(sv, name) SV *sv; char *name; { + if (!sv) + return 0; + if (SvGMAGICAL(sv)) + mg_get(sv); if (!SvROK(sv)) return 0; sv = (SV*)SvRV(sv); @@ -3298,7 +3959,7 @@ char *classname; { SV *sv; - new_SV(); + new_SV(sv); SvANY(sv) = 0; SvREFCNT(sv) = 0; SvFLAGS(sv) = 0; @@ -3369,19 +4030,23 @@ HV* stash; if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { if (SvREADONLY(ref)) croak(no_modify); - if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO) - --sv_objcount; + if (SvOBJECT(ref)) { + if (SvTYPE(ref) != SVt_PVIO) + --sv_objcount; + SvREFCNT_dec(SvSTASH(ref)); + } } SvOBJECT_on(ref); - ++sv_objcount; + if (SvTYPE(ref) != SVt_PVIO) + ++sv_objcount; (void)SvUPGRADE(ref, SVt_PVMG); SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); #ifdef OVERLOAD - SvAMAGIC_off(sv); - if (Gv_AMG(stash)) { - SvAMAGIC_on(sv); - } + if (Gv_AMG(stash)) + SvAMAGIC_on(sv); + else + SvAMAGIC_off(sv); #endif /* OVERLOAD */ return sv; @@ -3394,7 +4059,7 @@ SV* sv; assert(SvTYPE(sv) == SVt_PVGV); SvFAKE_off(sv); if (GvGP(sv)) - gp_free(sv); + gp_free((GV*)sv); sv_unmagic(sv, '*'); Safefree(GvNAME(sv)); GvMULTI_off(sv); @@ -3416,116 +4081,769 @@ SV* sv; sv_2mortal(rv); /* Schedule for freeing later */ } +void +sv_taint(sv) +SV *sv; +{ + sv_magic((sv), Nullsv, 't', Nullch, 0); +} + +void +sv_untaint(sv) +SV *sv; +{ + if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { + MAGIC *mg = mg_find(sv, 't'); + if (mg) + mg->mg_len &= ~1; + } +} + +bool +sv_tainted(sv) +SV *sv; +{ + if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { + MAGIC *mg = mg_find(sv, 't'); + if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) + return TRUE; + } + return FALSE; +} + +void +sv_setpviv(sv, iv) +SV *sv; +IV iv; +{ + STRLEN len; + char buf[TYPE_DIGITS(UV)]; + char *ptr = buf + sizeof(buf); + int sign; + UV uv; + char *p; + + sv_setpvn(sv, "", 0); + if (iv >= 0) { + uv = iv; + sign = 0; + } else { + uv = -iv; + sign = 1; + } + do { + *--ptr = '0' + (uv % 10); + } while (uv /= 10); + len = (buf + sizeof(buf)) - ptr; + /* taking advantage of SvCUR(sv) == 0 */ + SvGROW(sv, sign + len + 1); + p = SvPVX(sv); + if (sign) + *p++ = '-'; + memcpy(p, ptr, len); + p += len; + *p = '\0'; + SvCUR(sv) = p - SvPVX(sv); +} + +#ifdef I_STDARG +void +sv_setpvf(SV *sv, const char* pat, ...) +#else +/*VARARGS0*/ +void +sv_setpvf(sv, pat, va_alist) + SV *sv; + const char *pat; + va_dcl +#endif +{ + va_list args; +#ifdef I_STDARG + va_start(args, pat); +#else + va_start(args); +#endif + sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); + va_end(args); +} + +#ifdef I_STDARG +void +sv_catpvf(SV *sv, const char* pat, ...) +#else +/*VARARGS0*/ +void +sv_catpvf(sv, pat, va_alist) + SV *sv; + const char *pat; + va_dcl +#endif +{ + va_list args; +#ifdef I_STDARG + va_start(args, pat); +#else + va_start(args); +#endif + sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); + va_end(args); +} + +void +sv_vsetpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) + SV *sv; + const char *pat; + STRLEN patlen; + va_list *args; + SV **svargs; + I32 svmax; + bool *used_locale; +{ + sv_setpvn(sv, "", 0); + sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); +} + +void +sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) + SV *sv; + const char *pat; + STRLEN patlen; + va_list *args; + SV **svargs; + I32 svmax; + bool *used_locale; +{ + char *p; + char *q; + char *patend; + STRLEN origlen; + I32 svix = 0; + static char nullstr[] = "(null)"; + + /* no matter what, this is a string now */ + (void)SvPV_force(sv, origlen); + + /* special-case "", "%s", and "%_" */ + if (patlen == 0) + return; + if (patlen == 2 && pat[0] == '%') { + switch (pat[1]) { + case 's': + if (args) { + char *s = va_arg(*args, char*); + sv_catpv(sv, s ? s : nullstr); + } + else if (svix < svmax) + sv_catsv(sv, *svargs); + return; + case '_': + if (args) { + sv_catsv(sv, va_arg(*args, SV*)); + return; + } + /* See comment on '_' below */ + break; + } + } + + patend = (char*)pat + patlen; + for (p = (char*)pat; p < patend; p = q) { + bool alt = FALSE; + bool left = FALSE; + char fill = ' '; + char plus = 0; + char intsize = 0; + STRLEN width = 0; + STRLEN zeros = 0; + bool has_precis = FALSE; + STRLEN precis = 0; + + char esignbuf[4]; + STRLEN esignlen = 0; + + char *eptr = Nullch; + STRLEN elen = 0; + char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ + + static char *efloatbuf = Nullch; + static STRLEN efloatsize = 0; + + char c; + int i; + unsigned base; + IV iv; + UV uv; + double nv; + STRLEN have; + STRLEN need; + STRLEN gap; + + for (q = p; q < patend && *q != '%'; ++q) ; + if (q > p) { + sv_catpvn(sv, p, q - p); + p = q; + } + if (q++ >= patend) + break; + + /* FLAGS */ + + while (*q) { + switch (*q) { + case ' ': + case '+': + plus = *q++; + continue; + + case '-': + left = TRUE; + q++; + continue; + + case '0': + fill = *q++; + continue; + + case '#': + alt = TRUE; + q++; + continue; + + default: + break; + } + break; + } + + /* WIDTH */ + + switch (*q) { + case '1': case '2': case '3': + case '4': case '5': case '6': + case '7': case '8': case '9': + width = 0; + while (isDIGIT(*q)) + width = width * 10 + (*q++ - '0'); + break; + + case '*': + if (args) + i = va_arg(*args, int); + else + i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; + left |= (i < 0); + width = (i < 0) ? -i : i; + q++; + break; + } + + /* PRECISION */ + + if (*q == '.') { + q++; + if (*q == '*') { + if (args) + i = va_arg(*args, int); + else + i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; + precis = (i < 0) ? 0 : i; + q++; + } + else { + precis = 0; + while (isDIGIT(*q)) + precis = precis * 10 + (*q++ - '0'); + } + has_precis = TRUE; + } + + /* SIZE */ + + switch (*q) { + case 'l': +#if 0 /* when quads have better support within Perl */ + if (*(q + 1) == 'l') { + intsize = 'q'; + q += 2; + break; + } +#endif + /* FALL THROUGH */ + case 'h': + case 'V': + intsize = *q++; + break; + } + + /* CONVERSION */ + + switch (c = *q++) { + + /* STRINGS */ + + case '%': + eptr = q - 1; + elen = 1; + goto string; + + case 'c': + if (args) + c = va_arg(*args, int); + else + c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; + eptr = &c; + elen = 1; + goto string; + + case 's': + if (args) { + eptr = va_arg(*args, char*); + if (eptr) + elen = strlen(eptr); + else { + eptr = nullstr; + elen = sizeof nullstr - 1; + } + } + else if (svix < svmax) + eptr = SvPVx(svargs[svix++], elen); + goto string; + + case '_': + /* + * The "%_" hack might have to be changed someday, + * if ISO or ANSI decide to use '_' for something. + * So we keep it hidden from users' code. + */ + if (!args) + goto unknown; + eptr = SvPVx(va_arg(*args, SV*), elen); + + string: + if (has_precis && elen > precis) + elen = precis; + break; + + /* INTEGERS */ + + case 'p': + if (args) + uv = (UV)va_arg(*args, void*); + else + uv = (svix < svmax) ? (UV)svargs[svix++] : 0; + base = 16; + goto integer; + + case 'D': + intsize = 'l'; + /* FALL THROUGH */ + case 'd': + case 'i': + if (args) { + switch (intsize) { + case 'h': iv = (short)va_arg(*args, int); break; + default: iv = va_arg(*args, int); break; + case 'l': iv = va_arg(*args, long); break; + case 'V': iv = va_arg(*args, IV); break; + } + } + else { + iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; + switch (intsize) { + case 'h': iv = (short)iv; break; + default: iv = (int)iv; break; + case 'l': iv = (long)iv; break; + case 'V': break; + } + } + if (iv >= 0) { + uv = iv; + if (plus) + esignbuf[esignlen++] = plus; + } + else { + uv = -iv; + esignbuf[esignlen++] = '-'; + } + base = 10; + goto integer; + + case 'U': + intsize = 'l'; + /* FALL THROUGH */ + case 'u': + base = 10; + goto uns_integer; + + case 'O': + intsize = 'l'; + /* FALL THROUGH */ + case 'o': + base = 8; + goto uns_integer; + + case 'X': + case 'x': + base = 16; + + uns_integer: + if (args) { + switch (intsize) { + case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; + default: uv = va_arg(*args, unsigned); break; + case 'l': uv = va_arg(*args, unsigned long); break; + case 'V': uv = va_arg(*args, UV); break; + } + } + else { + uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; + switch (intsize) { + case 'h': uv = (unsigned short)uv; break; + default: uv = (unsigned)uv; break; + case 'l': uv = (unsigned long)uv; break; + case 'V': break; + } + } + + integer: + eptr = ebuf + sizeof ebuf; + switch (base) { + unsigned dig; + case 16: + p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; + do { + dig = uv & 15; + *--eptr = p[dig]; + } while (uv >>= 4); + if (alt) { + esignbuf[esignlen++] = '0'; + esignbuf[esignlen++] = c; /* 'x' or 'X' */ + } + break; + case 8: + do { + dig = uv & 7; + *--eptr = '0' + dig; + } while (uv >>= 3); + if (alt && *eptr != '0') + *--eptr = '0'; + break; + default: /* it had better be ten or less */ + do { + dig = uv % base; + *--eptr = '0' + dig; + } while (uv /= base); + break; + } + elen = (ebuf + sizeof ebuf) - eptr; + if (has_precis && precis > elen) + zeros = precis - elen; + break; + + /* FLOATING POINT */ + + case 'F': + c = 'f'; /* maybe %F isn't supported here */ + /* FALL THROUGH */ + case 'e': case 'E': + case 'f': + case 'g': case 'G': + + /* This is evil, but floating point is even more evil */ + + if (args) + nv = va_arg(*args, double); + else + nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; + + need = 0; + if (c != 'e' && c != 'E') { + i = PERL_INT_MIN; + (void)frexp(nv, &i); + if (i == PERL_INT_MIN) + die("panic: frexp"); + if (i > 0) + need = BIT_DIGITS(i); + } + need += has_precis ? precis : 6; /* known default */ + if (need < width) + need = width; + + need += 20; /* fudge factor */ + if (efloatsize < need) { + Safefree(efloatbuf); + efloatsize = need + 20; /* more fudge */ + New(906, efloatbuf, efloatsize, char); + } + + eptr = ebuf + sizeof ebuf; + *--eptr = '\0'; + *--eptr = c; + if (has_precis) { + base = precis; + do { *--eptr = '0' + (base % 10); } while (base /= 10); + *--eptr = '.'; + } + if (width) { + base = width; + do { *--eptr = '0' + (base % 10); } while (base /= 10); + } + if (fill == '0') + *--eptr = fill; + if (left) + *--eptr = '-'; + if (plus) + *--eptr = plus; + if (alt) + *--eptr = '#'; + *--eptr = '%'; + + (void)sprintf(efloatbuf, eptr, nv); + + eptr = efloatbuf; + elen = strlen(efloatbuf); + +#ifdef LC_NUMERIC + /* + * User-defined locales may include arbitrary characters. + * And, unfortunately, some system may alloc the "C" locale + * to be overridden by a malicious user. + */ + if (used_locale) + *used_locale = TRUE; +#endif /* LC_NUMERIC */ + + break; + + /* SPECIAL */ + + case 'n': + i = SvCUR(sv) - origlen; + if (args) { + switch (intsize) { + case 'h': *(va_arg(*args, short*)) = i; break; + default: *(va_arg(*args, int*)) = i; break; + case 'l': *(va_arg(*args, long*)) = i; break; + case 'V': *(va_arg(*args, IV*)) = i; break; + } + } + else if (svix < svmax) + sv_setuv(svargs[svix++], (UV)i); + continue; /* not "break" */ + + /* UNKNOWN */ + + default: + unknown: + if (!args && dowarn && + (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { + SV *msg = sv_newmortal(); + sv_setpvf(msg, "Invalid conversion in %s: ", + (op->op_type == OP_PRTF) ? "printf" : "sprintf"); + if (c) + sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", + c & 0xFF); + else + sv_catpv(msg, "end of string"); + warn("%_", msg); /* yes, this is reentrant */ + } + + /* output mangled stuff ... */ + if (c == '\0') + --q; + eptr = p; + elen = q - p; + + /* ... right here, because formatting flags should not apply */ + SvGROW(sv, SvCUR(sv) + elen + 1); + p = SvEND(sv); + memcpy(p, eptr, elen); + p += elen; + *p = '\0'; + SvCUR(sv) = p - SvPVX(sv); + continue; /* not "break" */ + } + + have = esignlen + zeros + elen; + need = (have > width ? have : width); + gap = need - have; + + SvGROW(sv, SvCUR(sv) + need + 1); + p = SvEND(sv); + if (esignlen && fill == '0') { + for (i = 0; i < esignlen; i++) + *p++ = esignbuf[i]; + } + if (gap && !left) { + memset(p, fill, gap); + p += gap; + } + if (esignlen && fill != '0') { + for (i = 0; i < esignlen; i++) + *p++ = esignbuf[i]; + } + if (zeros) { + for (i = zeros; i; i--) + *p++ = '0'; + } + if (elen) { + memcpy(p, eptr, elen); + p += elen; + } + if (gap && left) { + memset(p, ' ', gap); + p += gap; + } + *p = '\0'; + SvCUR(sv) = p - SvPVX(sv); + } +} + #ifdef DEBUGGING void sv_dump(sv) SV* sv; { - char tmpbuf[1024]; - char *d = tmpbuf; + SV *d = sv_newmortal(); + char *s; U32 flags; U32 type; if (!sv) { - fprintf(stderr, "SV = 0\n"); + PerlIO_printf(Perl_debug_log, "SV = 0\n"); return; } flags = SvFLAGS(sv); type = SvTYPE(sv); - sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", - (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); - d += strlen(d); - if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,"); - if (flags & SVs_PADTMP) strcat(d, "PADTMP,"); - if (flags & SVs_PADMY) strcat(d, "PADMY,"); - if (flags & SVs_TEMP) strcat(d, "TEMP,"); - if (flags & SVs_OBJECT) strcat(d, "OBJECT,"); - if (flags & SVs_GMG) strcat(d, "GMG,"); - if (flags & SVs_SMG) strcat(d, "SMG,"); - if (flags & SVs_RMG) strcat(d, "RMG,"); - d += strlen(d); - - if (flags & SVf_IOK) strcat(d, "IOK,"); - if (flags & SVf_NOK) strcat(d, "NOK,"); - if (flags & SVf_POK) strcat(d, "POK,"); - if (flags & SVf_ROK) strcat(d, "ROK,"); - if (flags & SVf_OOK) strcat(d, "OOK,"); - if (flags & SVf_FAKE) strcat(d, "FAKE,"); - if (flags & SVf_READONLY) strcat(d, "READONLY,"); - d += strlen(d); - - if (flags & SVp_IOK) strcat(d, "pIOK,"); - if (flags & SVp_NOK) strcat(d, "pNOK,"); - if (flags & SVp_POK) strcat(d, "pPOK,"); - if (flags & SVp_SCREAM) strcat(d, "SCREAM,"); - d += strlen(d); - if (d[-1] == ',') - d--; - *d++ = ')'; - *d = '\0'; + sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", + (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); + if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); + if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); + if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); + if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); + if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); + if (flags & SVs_GMG) sv_catpv(d, "GMG,"); + if (flags & SVs_SMG) sv_catpv(d, "SMG,"); + if (flags & SVs_RMG) sv_catpv(d, "RMG,"); + + if (flags & SVf_IOK) sv_catpv(d, "IOK,"); + if (flags & SVf_NOK) sv_catpv(d, "NOK,"); + if (flags & SVf_POK) sv_catpv(d, "POK,"); + if (flags & SVf_ROK) sv_catpv(d, "ROK,"); + if (flags & SVf_OOK) sv_catpv(d, "OOK,"); + if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); + if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); + +#ifdef OVERLOAD + if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); +#endif /* OVERLOAD */ + if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); + if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); + if (flags & SVp_POK) sv_catpv(d, "pPOK,"); + if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); + + switch (type) { + case SVt_PVCV: + case SVt_PVFM: + if (CvANON(sv)) sv_catpv(d, "ANON,"); + if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); + if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); + if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); + if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); + break; + case SVt_PVHV: + if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); + if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); + break; + case SVt_PVGV: + if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); + if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); + if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); + if (GvIMPORTED(sv)) { + sv_catpv(d, "IMPORT"); + if (GvIMPORTED(sv) == GVf_IMPORTED) + sv_catpv(d, "ALL,"); + else { + sv_catpv(d, "("); + if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); + if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); + if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); + if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); + sv_catpv(d, " ),"); + } + } + } + + if (*(SvEND(d) - 1) == ',') + SvPVX(d)[--SvCUR(d)] = '\0'; + sv_catpv(d, ")"); + s = SvPVX(d); - fprintf(stderr, "SV = "); + PerlIO_printf(Perl_debug_log, "SV = "); switch (type) { case SVt_NULL: - fprintf(stderr,"NULL%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "NULL%s\n", s); return; case SVt_IV: - fprintf(stderr,"IV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "IV%s\n", s); break; case SVt_NV: - fprintf(stderr,"NV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "NV%s\n", s); break; case SVt_RV: - fprintf(stderr,"RV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "RV%s\n", s); break; case SVt_PV: - fprintf(stderr,"PV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PV%s\n", s); break; case SVt_PVIV: - fprintf(stderr,"PVIV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); break; case SVt_PVNV: - fprintf(stderr,"PVNV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); break; case SVt_PVBM: - fprintf(stderr,"PVBM%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); break; case SVt_PVMG: - fprintf(stderr,"PVMG%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); break; case SVt_PVLV: - fprintf(stderr,"PVLV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); break; case SVt_PVAV: - fprintf(stderr,"PVAV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); break; case SVt_PVHV: - fprintf(stderr,"PVHV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); break; case SVt_PVCV: - fprintf(stderr,"PVCV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); break; case SVt_PVGV: - fprintf(stderr,"PVGV%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); break; case SVt_PVFM: - fprintf(stderr,"PVFM%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); break; case SVt_PVIO: - fprintf(stderr,"PVIO%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); break; default: - fprintf(stderr,"UNKNOWN%s\n", tmpbuf); + PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); return; } 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 = %.*g\n", DBL_DIG, SvNVX(sv)); + PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); + if (type >= SVt_PVNV || type == SVt_NV) { + SET_NUMERIC_STANDARD(); + PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); + } if (SvROK(sv)) { - fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv)); + PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); sv_dump(SvRV(sv)); return; } @@ -3533,103 +4851,110 @@ SV* sv; return; if (type <= SVt_PVLV) { if (SvPVX(sv)) - fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", + PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); else - fprintf(stderr, " PV = 0\n"); + PerlIO_printf(Perl_debug_log, " PV = 0\n"); } if (type >= SVt_PVMG) { if (SvMAGIC(sv)) { - fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); + PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); } if (SvSTASH(sv)) - fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv))); + PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); } switch (type) { case SVt_PVLV: - 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", (long)LvTARG(sv)); + PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); + PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); + PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); + PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); sv_dump(LvTARG(sv)); break; case SVt_PVAV: - 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", (long)AvARYLEN(sv)); + PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); + PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); + PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv)); + PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); + PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); flags = AvFLAGS(sv); - d = tmpbuf; - if (flags & AVf_REAL) strcat(d, "REAL,"); - if (flags & AVf_REIFY) strcat(d, "REIFY,"); - if (flags & AVf_REUSED) strcat(d, "REUSED,"); - if (*d) - d[strlen(d)-1] = '\0'; - fprintf(stderr, " FLAGS = (%s)\n", d); + sv_setpv(d, ""); + if (flags & AVf_REAL) sv_catpv(d, ",REAL"); + if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); + if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); + PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", + SvCUR(d) ? SvPVX(d) + 1 : ""); break; case SVt_PVHV: - 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",(long) HvEITER(sv)); + PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); + PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); + PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); + PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); + PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); + PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); if (HvPMROOT(sv)) - fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); + PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); if (HvNAME(sv)) - fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv)); + PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); break; - case SVt_PVFM: case SVt_PVCV: - 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", (long)CvPADLIST(sv)); - fprintf(stderr, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); + if (SvPOK(sv)) + PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); + /* FALL THROUGH */ + case SVt_PVFM: + PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); + PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); + PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); + PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); + PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); + PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); + if (CvGV(sv) && GvNAME(CvGV(sv))) { + PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); + } else { + PerlIO_printf(Perl_debug_log, "\n"); + } + PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); + PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); + PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); + PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); if (type == SVt_PVFM) - fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv)); + PerlIO_printf(Perl_debug_log, " 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", (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", (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", (long)GvSTASH(sv)); - fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv)); + PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); + PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); + PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); + PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); + PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); + PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); + PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); + PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); + PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); + PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); + PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); + PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); + PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); + PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); + PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); + PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); break; case SVt_PVIO: - 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", (long)IoTOP_GV(sv)); - fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(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", (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", (long)IoFLAGS(sv)); + PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); + PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); + PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); + PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); + PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); + PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); + PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); + PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); + PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); + PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); + PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); + PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); + PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); + PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); + PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); + PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); break; } } @@ -3640,38 +4965,3 @@ 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; -} - |