/* dump.c
*
- * Copyright (c) 1991-2000, Larry Wall
+ * Copyright (c) 1991-2001, 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.
void
Perl_dump_vindent(pTHX_ I32 level, PerlIO *file, const char* pat, va_list *args)
{
- dTHR;
PerlIO_printf(file, "%*s", (int)(level*PL_dumpindent), "");
PerlIO_vprintf(file, pat, *args);
}
void
Perl_dump_all(pTHX)
{
- dTHR;
PerlIO_setlinebuf(Perl_debug_log);
if (PL_main_root)
op_dump(PL_main_root);
void
Perl_dump_packsubs(pTHX_ HV *stash)
{
- dTHR;
I32 i;
HE *entry;
sv_catpv(t, "(");
unref++;
}
+ else if (DEBUG_R_TEST && SvREFCNT(sv) > 1) {
+ Perl_sv_catpvf(aTHX_ t, "<%"UVuf">", (UV)SvREFCNT(sv));
+ }
+
+
if (SvROK(sv)) {
sv_catpv(t, "\\");
if (SvCUR(t) + unref > 10) {
Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
if (SvUTF8(sv))
- Perl_sv_catpvf(aTHX_ t, " [UTF8]");
+ Perl_sv_catpvf(aTHX_ t, " [UTF8]");
SvREFCNT_dec(tmp);
}
}
}
else
sv_catpv(t, "()");
-
+
finish:
if (unref) {
while (unref--)
void
Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
{
- dTHR;
Perl_dump_indent(aTHX_ level, file, "{\n");
level++;
if (o->op_seq)
if (o->op_private & OPpTARGET_MY)
sv_catpv(tmpsv, ",TARGET_MY");
}
- if (o->op_type == OP_AASSIGN) {
+ else if (o->op_type == OP_LEAVESUB ||
+ o->op_type == OP_LEAVE ||
+ o->op_type == OP_LEAVESUBLV ||
+ o->op_type == OP_LEAVEWRITE) {
+ if (o->op_private & OPpREFCOUNTED)
+ sv_catpv(tmpsv, ",REFCOUNTED");
+ }
+ else if (o->op_type == OP_AASSIGN) {
if (o->op_private & OPpASSIGN_COMMON)
sv_catpv(tmpsv, ",COMMON");
if (o->op_private & OPpASSIGN_HASH)
sv_catpv(tmpsv, ",DELETE");
if (o->op_private & OPpTRANS_COMPLEMENT)
sv_catpv(tmpsv, ",COMPLEMENT");
+ if (o->op_private & OPpTRANS_IDENTICAL)
+ sv_catpv(tmpsv, ",IDENTICAL");
+ if (o->op_private & OPpTRANS_GROWS)
+ sv_catpv(tmpsv, ",GROWS");
}
else if (o->op_type == OP_REPEAT) {
if (o->op_private & OPpREPEAT_DOLIST)
}
else if (o->op_type == OP_ENTERSUB ||
o->op_type == OP_RV2SV ||
+ o->op_type == OP_GVSV ||
o->op_type == OP_RV2AV ||
o->op_type == OP_RV2HV ||
o->op_type == OP_RV2GV ||
sv_catpv(tmpsv, ",DB");
if (o->op_private & OPpENTERSUB_HASTARG)
sv_catpv(tmpsv, ",HASTARG");
+ if (o->op_private & OPpENTERSUB_NOPAREN)
+ sv_catpv(tmpsv, ",NOPAREN");
+ if (o->op_private & OPpENTERSUB_INARGS)
+ sv_catpv(tmpsv, ",INARGS");
}
- else
+ else {
switch (o->op_private & OPpDEREF) {
case OPpDEREF_SV:
sv_catpv(tmpsv, ",SV");
sv_catpv(tmpsv, ",HV");
break;
}
+ if (o->op_private & OPpMAYBE_LVSUB)
+ sv_catpv(tmpsv, ",MAYBE_LVSUB");
+ }
if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
if (o->op_private & OPpLVAL_DEFER)
sv_catpv(tmpsv, ",LVAL_DEFER");
sv_catpv(tmpsv, ",BARE");
if (o->op_private & OPpCONST_STRICT)
sv_catpv(tmpsv, ",STRICT");
+ if (o->op_private & OPpCONST_ARYBASE)
+ sv_catpv(tmpsv, ",ARYBASE");
+ if (o->op_private & OPpCONST_WARNING)
+ sv_catpv(tmpsv, ",WARNING");
+ if (o->op_private & OPpCONST_ENTERED)
+ sv_catpv(tmpsv, ",ENTERED");
}
else if (o->op_type == OP_FLIP) {
if (o->op_private & OPpFLIP_LINENUM)
if (o->op_private & OPpLVAL_INTRO)
sv_catpv(tmpsv, ",INTRO");
}
+ else if (o->op_type == OP_GV) {
+ if (o->op_private & OPpEARLY_CV)
+ sv_catpv(tmpsv, ",EARLY_CV");
+ }
+ else if (o->op_type == OP_LIST) {
+ if (o->op_private & OPpLIST_GUESSED)
+ sv_catpv(tmpsv, ",GUESSED");
+ }
+ else if (o->op_type == OP_DELETE) {
+ if (o->op_private & OPpSLICE)
+ sv_catpv(tmpsv, ",SLICE");
+ }
+ else if (o->op_type == OP_EXISTS) {
+ if (o->op_private & OPpEXISTS_SUB)
+ sv_catpv(tmpsv, ",EXISTS_SUB");
+ }
+ else if (o->op_type == OP_SORT) {
+ if (o->op_private & OPpSORT_NUMERIC)
+ sv_catpv(tmpsv, ",NUMERIC");
+ if (o->op_private & OPpSORT_INTEGER)
+ sv_catpv(tmpsv, ",INTEGER");
+ if (o->op_private & OPpSORT_REVERSE)
+ sv_catpv(tmpsv, ",REVERSE");
+ }
+ else if (o->op_type == OP_THREADSV) {
+ if (o->op_private & OPpDONE_SVREF)
+ sv_catpv(tmpsv, ",SVREF");
+ }
+ else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
+ if (o->op_private & OPpOPEN_IN_RAW)
+ sv_catpv(tmpsv, ",IN_RAW");
+ if (o->op_private & OPpOPEN_IN_CRLF)
+ sv_catpv(tmpsv, ",IN_CRLF");
+ if (o->op_private & OPpOPEN_OUT_RAW)
+ sv_catpv(tmpsv, ",OUT_RAW");
+ if (o->op_private & OPpOPEN_OUT_CRLF)
+ sv_catpv(tmpsv, ",OUT_CRLF");
+ }
+ else if (o->op_type == OP_EXIT) {
+ if (o->op_private & OPpEXIT_VMSISH)
+ sv_catpv(tmpsv, ",EXIST_VMSISH");
+ }
if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
sv_catpv(tmpsv, ",INTRO");
if (SvCUR(tmpsv))
Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
}
+
+/* map magic types to the symbolic name
+ * (with the PERL_MAGIC_ prefixed stripped)
+ */
+
+static struct { char type; char *name; } magic_names[] = {
+ PERL_MAGIC_sv, "sv(\\0)",
+ PERL_MAGIC_arylen, "arylen(#)",
+ PERL_MAGIC_glob, "glob(*)",
+ PERL_MAGIC_pos, "pos(.)",
+ PERL_MAGIC_backref, "backref(<)",
+ PERL_MAGIC_overload, "overload(A)",
+ PERL_MAGIC_bm, "bm(B)",
+ PERL_MAGIC_regdata, "regdata(D)",
+ PERL_MAGIC_env, "env(E)",
+ PERL_MAGIC_isa, "isa(I)",
+ PERL_MAGIC_dbfile, "dbfile(L)",
+ PERL_MAGIC_tied, "tied(P)",
+ PERL_MAGIC_sig, "sig(S)",
+ PERL_MAGIC_uvar, "uvar(U)",
+ PERL_MAGIC_overload_elem, "overload_elem(a)",
+ PERL_MAGIC_overload_table, "overload_table(c)",
+ PERL_MAGIC_regdatum, "regdatum(d)",
+ PERL_MAGIC_envelem, "envelem(e)",
+ PERL_MAGIC_fm, "fm(f)",
+ PERL_MAGIC_regex_global, "regex_global(g)",
+ PERL_MAGIC_isaelem, "isaelem(i)",
+ PERL_MAGIC_nkeys, "nkeys(k)",
+ PERL_MAGIC_dbline, "dbline(l)",
+ PERL_MAGIC_mutex, "mutex(m)",
+ PERL_MAGIC_collxfrm, "collxfrm(o)",
+ PERL_MAGIC_tiedelem, "tiedelem(p)",
+ PERL_MAGIC_tiedscalar, "tiedscalar(q)",
+ PERL_MAGIC_qr, "qr(r)",
+ PERL_MAGIC_sigelem, "sigelem(s)",
+ PERL_MAGIC_taint, "taint(t)",
+ PERL_MAGIC_vec, "vec(v)",
+ PERL_MAGIC_substr, "substr(x)",
+ PERL_MAGIC_defelem, "defelem(y)",
+ PERL_MAGIC_ext, "ext(~)",
+ 0, 0 /* this null string terminates the list */
+};
+
void
Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
{
if (mg->mg_private)
Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
- if (isPRINT(mg->mg_type))
- Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '%c'\n", mg->mg_type);
- else
- Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '\\%o'\n", mg->mg_type);
+ {
+ int n;
+ char *name = 0;
+ for (n=0; magic_names[n].name; n++) {
+ if (mg->mg_type == magic_names[n].type) {
+ name = magic_names[n].name;
+ break;
+ }
+ }
+ if (name)
+ Perl_dump_indent(aTHX_ level, file,
+ " MG_TYPE = PERL_MAGIC_%s\n", name);
+ else
+ Perl_dump_indent(aTHX_ level, file,
+ " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
+ }
if (mg->mg_flags) {
Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
void
Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
{
- dTHR;
SV *d;
char *s;
U32 flags;
Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
return;
}
-
+
flags = SvFLAGS(sv);
type = SvTYPE(sv);
if (CvCONST(sv)) sv_catpv(d, "CONST,");
if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
+ if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
+ if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
break;
case SVt_PVHV:
if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
case SVt_PVGV:
if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
+ if (GvSHARED(sv)) sv_catpv(d, "SHARED,");
if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
if (GvIMPORTED(sv)) {
SV** elt = av_fetch((AV*)sv,count,0);
Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
- if (elt)
+ if (elt)
do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
}
}
}
}
PerlIO_putc(file, ')');
- /* Now calculate quality wrt theoretical value */
+ /* The "quality" of a hash is defined as the total number of
+ comparisons needed to access every element once, relative
+ to the expected number needed for a random hash.
+
+ The total number of comparisons is equal to the sum of
+ the squares of the number of entries in each backet.
+ For a random hash of n keys into k backets, the expected
+ value is
+ n + n(n-1)/2k
+ */
+
for (i = max; i > 0; i--) { /* Precision: count down. */
sum += freq[i] * i * i;
}
while ((keys = keys >> 1))
pow2 = pow2 << 1;
- /* Approximate by Poisson distribution */
theoret = HvKEYS(sv);
- theoret += theoret * theoret/pow2;
+ theoret += theoret * (theoret-1)/pow2;
PerlIO_putc(file, '\n');
Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
}
if (SvPOK(pname[ix]))
Perl_dump_indent(aTHX_ level,
/* %5d below is enough whitespace. */
- file,
+ file,
"%5d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
(int)ix, PTR2UV(ppad[ix]),
SvFAKE(pname[ix]) ? "FAKE " : "",
}
{
CV *outside = CvOUTSIDE(sv);
- Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
+ Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
PTR2UV(outside),
(!outside ? "null"
: CvANON(outside) ? "ANON"