void Perl_av_reify(pTHX_ AV *av) { SSize_t key; PERL_ARGS_ASSERT_AV_REIFY; assert(SvTYPE(av) == SVt_PVAV); if (AvREAL(av)) return; #ifdef DEBUGGING if (SvTIED_mg((const SV *)av, PERL_MAGIC_tied)) Perl_ck_warner_d(aTHX_ packWARN(WARN_DEBUGGING), "av_reify called on tied array"); #endif key = AvMAX(av) + 1; while (key > AvFILLp(av) + 1) AvARRAY(av)[--key] = NULL; while (key) { SV * const sv = AvARRAY(av)[--key]; if (sv != &PL_sv_undef) SvREFCNT_inc_simple_void(sv); } key = AvARRAY(av) - AvALLOC(av); while (key) AvALLOC(av)[--key] = NULL; AvREIFY_off(av); AvREAL_on(av); }
/* The guts of av_extend. *Not* for general use! */ void Perl_av_extend_guts(pTHX_ AV *av, SSize_t key, SSize_t *maxp, SV ***allocp, SV ***arrayp) { dVAR; PERL_ARGS_ASSERT_AV_EXTEND_GUTS; if (key > *maxp) { SV** ary; SSize_t tmp; SSize_t newmax; if (av && *allocp != *arrayp) { ary = *allocp + AvFILLp(av) + 1; tmp = *arrayp - *allocp; Move(*arrayp, *allocp, AvFILLp(av)+1, SV*); *maxp += tmp; *arrayp = *allocp; if (AvREAL(av)) { while (tmp) ary[--tmp] = NULL; } if (key > *maxp - 10) { newmax = key + *maxp; goto resize; } }
void Perl_av_reify(pTHX_ AV *av) { I32 key; SV* sv; if (AvREAL(av)) return; #ifdef DEBUGGING if (SvTIED_mg((SV*)av, PERL_MAGIC_tied) && ckWARN_d(WARN_DEBUGGING)) Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "av_reify called on tied array"); #endif key = AvMAX(av) + 1; while (key > AvFILLp(av) + 1) AvARRAY(av)[--key] = &PL_sv_undef; while (key) { sv = AvARRAY(av)[--key]; assert(sv); if (sv != &PL_sv_undef) (void)SvREFCNT_inc(sv); } key = AvARRAY(av) - AvALLOC(av); while (key) AvALLOC(av)[--key] = &PL_sv_undef; AvREIFY_off(av); AvREAL_on(av); }
void Perl_av_extend(pTHX_ AV *av, I32 key) { dVAR; MAGIC *mg; PERL_ARGS_ASSERT_AV_EXTEND; assert(SvTYPE(av) == SVt_PVAV); mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied); if (mg) { dSP; ENTER; SAVETMPS; PUSHSTACKi(PERLSI_MAGIC); PUSHMARK(SP); EXTEND(SP,2); PUSHs(SvTIED_obj(MUTABLE_SV(av), mg)); mPUSHi(key + 1); PUTBACK; call_method("EXTEND", G_SCALAR|G_DISCARD); POPSTACK; FREETMPS; LEAVE; return; } if (key > AvMAX(av)) { SV** ary; I32 tmp; I32 newmax; if (AvALLOC(av) != AvARRAY(av)) { ary = AvALLOC(av) + AvFILLp(av) + 1; tmp = AvARRAY(av) - AvALLOC(av); Move(AvARRAY(av), AvALLOC(av), AvFILLp(av)+1, SV*); AvMAX(av) += tmp; AvARRAY(av) = AvALLOC(av); if (AvREAL(av)) { while (tmp) ary[--tmp] = &PL_sv_undef; } if (key > AvMAX(av) - 10) { newmax = key + AvMAX(av); goto resize; } }
void Perl_av_extend(pTHX_ AV *av, I32 key) { MAGIC *mg; if ((mg = SvTIED_mg((SV*)av, PERL_MAGIC_tied))) { dSP; ENTER; SAVETMPS; PUSHSTACKi(PERLSI_MAGIC); PUSHMARK(SP); EXTEND(SP,2); PUSHs(SvTIED_obj((SV*)av, mg)); PUSHs(sv_2mortal(newSViv(key+1))); PUTBACK; call_method("EXTEND", G_SCALAR|G_DISCARD); POPSTACK; FREETMPS; LEAVE; return; } if (key > AvMAX(av)) { SV** ary; I32 tmp; I32 newmax; if (AvALLOC(av) != AvARRAY(av)) { ary = AvALLOC(av) + AvFILLp(av) + 1; tmp = AvARRAY(av) - AvALLOC(av); Move(AvARRAY(av), AvALLOC(av), AvFILLp(av)+1, SV*); AvMAX(av) += tmp; SvPVX(av) = (char*)AvALLOC(av); if (AvREAL(av)) { while (tmp) ary[--tmp] = &PL_sv_undef; } if (key > AvMAX(av) - 10) { newmax = key + AvMAX(av); goto resize; } }
SV * DeadCode(pTHX) { #ifdef PURIFY return Nullsv; #else SV* sva; SV* sv; SV* ret = newRV_noinc((SV*)newAV()); register SV* svend; int tm = 0, tref = 0, ts = 0, ta = 0, tas = 0; for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { svend = &sva[SvREFCNT(sva)]; for (sv = sva + 1; sv < svend; ++sv) { if (SvTYPE(sv) == SVt_PVCV) { CV *cv = (CV*)sv; AV* padlist = CvPADLIST(cv), *argav; SV** svp; SV** pad; int i = 0, j, levelm, totm = 0, levelref, totref = 0; int levels, tots = 0, levela, tota = 0, levelas, totas = 0; int dumpit = 0; if (CvXSUB(sv)) { continue; /* XSUB */ } if (!CvGV(sv)) { continue; /* file-level scope. */ } if (!CvROOT(cv)) { /* PerlIO_printf(Perl_debug_log, " no root?!\n"); */ continue; /* autoloading stub. */ } do_gvgv_dump(0, Perl_debug_log, "GVGV::GV", CvGV(sv)); if (CvDEPTH(cv)) { PerlIO_printf(Perl_debug_log, " busy\n"); continue; } svp = AvARRAY(padlist); while (++i <= AvFILL(padlist)) { /* Depth. */ SV **args; pad = AvARRAY((AV*)svp[i]); argav = (AV*)pad[0]; if (!argav || (SV*)argav == &PL_sv_undef) { PerlIO_printf(Perl_debug_log, " closure-template\n"); continue; } args = AvARRAY(argav); levelm = levels = levelref = levelas = 0; levela = sizeof(SV*) * (AvMAX(argav) + 1); if (AvREAL(argav)) { for (j = 0; j < AvFILL(argav); j++) { if (SvROK(args[j])) { PerlIO_printf(Perl_debug_log, " ref in args!\n"); levelref++; } /* else if (SvPOK(args[j]) && SvPVX(args[j])) { */ else if (SvTYPE(args[j]) >= SVt_PV && SvLEN(args[j])) { levelas += SvLEN(args[j])/SvREFCNT(args[j]); } } } for (j = 1; j < AvFILL((AV*)svp[1]); j++) { /* Vars. */ if (SvROK(pad[j])) { levelref++; do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); dumpit = 1; } /* else if (SvPOK(pad[j]) && SvPVX(pad[j])) { */ else if (SvTYPE(pad[j]) >= SVt_PVAV) { if (!SvPADMY(pad[j])) { levelref++; do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); dumpit = 1; } } else if (SvTYPE(pad[j]) >= SVt_PV && SvLEN(pad[j])) { levels++; levelm += SvLEN(pad[j])/SvREFCNT(pad[j]); /* Dump(pad[j],4); */ } } PerlIO_printf(Perl_debug_log, " level %i: refs: %i, strings: %i in %i,\targsarray: %i, argsstrings: %i\n", i, levelref, levelm, levels, levela, levelas); totm += levelm; tota += levela; totas += levelas; tots += levels; totref += levelref; if (dumpit) do_sv_dump(0, Perl_debug_log, (SV*)cv, 0, 2, 0, 0); } if (AvFILL(padlist) > 1) { PerlIO_printf(Perl_debug_log, " total: refs: %i, strings: %i in %i,\targsarrays: %i, argsstrings: %i\n", totref, totm, tots, tota, totas); } tref += totref; tm += totm; ts += tots; ta += tota; tas += totas; } } } PerlIO_printf(Perl_debug_log, "total: refs: %i, strings: %i in %i\targsarray: %i, argsstrings: %i\n", tref, tm, ts, ta, tas); return ret; #endif /* !PURIFY */ }