Example #1
0
File: av.c Project: perl11/cperl
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);
}
Example #2
0
/* 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;
	    }
	}
Example #3
0
File: av.c Project: gitpan/ponie
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);
}
Example #4
0
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;
	    }
	}
Example #5
0
File: av.c Project: gitpan/ponie
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;
	    }
	}
Example #6
0
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 */
}