Dumper.xs revision 7c478bd95313f5f23a4c958a745db2134aa03244
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifndef PERL_VERSION
#include "patchlevel.h"
#define PERL_VERSION PATCHLEVEL
#endif
#if PERL_VERSION < 5
# ifndef PL_sv_undef
# define PL_sv_undef sv_undef
# endif
# ifndef ERRSV
# define ERRSV GvSV(errgv)
# endif
# ifndef newSVpvn
# define newSVpvn newSVpv
# endif
#endif
static I32 num_q (char *s, STRLEN slen);
static I32 esc_q (char *dest, char *src, STRLEN slen);
static SV *sv_x (pTHX_ SV *sv, char *str, STRLEN len, I32 n);
static I32 DD_dump (pTHX_ SV *val, char *name, STRLEN namelen, SV *retval,
HV *seenhv, AV *postav, I32 *levelp, I32 indent,
SV *pad, SV *xpad, SV *apad, SV *sep,
SV *freezer, SV *toaster,
I32 purity, I32 deepcopy, I32 quotekeys, SV *bless,
I32 maxdepth);
/* does a string need to be protected? */
static I32
needs_quote(register char *s)
{
TOP:
if (s[0] == ':') {
if (*++s) {
if (*s++ != ':')
return 1;
}
else
return 1;
}
if (isIDFIRST(*s)) {
while (*++s)
if (!isALNUM(*s)) {
if (*s == ':')
goto TOP;
else
return 1;
}
}
else
return 1;
return 0;
}
/* count the number of "'"s and "\"s in string */
static I32
num_q(register char *s, register STRLEN slen)
{
register I32 ret = 0;
while (slen > 0) {
if (*s == '\'' || *s == '\\')
++ret;
++s;
--slen;
}
return ret;
}
/* returns number of chars added to escape "'"s and "\"s in s */
/* slen number of characters in s will be escaped */
/* destination must be long enough for additional chars */
static I32
esc_q(register char *d, register char *s, register STRLEN slen)
{
register I32 ret = 0;
while (slen > 0) {
switch (*s) {
case '\'':
case '\\':
*d = '\\';
++d; ++ret;
default:
*d = *s;
++d; ++s; --slen;
break;
}
}
return ret;
}
/* append a repeated string to an SV */
static SV *
sv_x(pTHX_ SV *sv, register char *str, STRLEN len, I32 n)
{
if (sv == Nullsv)
sv = newSVpvn("", 0);
else
assert(SvTYPE(sv) >= SVt_PV);
if (n > 0) {
SvGROW(sv, len*n + SvCUR(sv) + 1);
if (len == 1) {
char *start = SvPVX(sv) + SvCUR(sv);
SvCUR(sv) += n;
start[n] = '\0';
while (n > 0)
start[--n] = str[0];
}
else
while (n > 0) {
sv_catpvn(sv, str, len);
--n;
}
}
return sv;
}
/*
* This ought to be split into smaller functions. (it is one long function since
* it exactly parallels the perl version, which was one long thing for
* efficiency raisins.) Ugggh!
*/
static I32
DD_dump(pTHX_ SV *val, char *name, STRLEN namelen, SV *retval, HV *seenhv,
AV *postav, I32 *levelp, I32 indent, SV *pad, SV *xpad,
SV *apad, SV *sep, SV *freezer, SV *toaster, I32 purity,
I32 deepcopy, I32 quotekeys, SV *bless, I32 maxdepth)
{
char tmpbuf[128];
U32 i;
char *c, *r, *realpack, id[128];
SV **svp;
SV *sv, *ipad, *ival;
SV *blesspad = Nullsv;
AV *seenentry = Nullav;
char *iname;
STRLEN inamelen, idlen = 0;
U32 flags;
U32 realtype;
if (!val)
return 0;
flags = SvFLAGS(val);
realtype = SvTYPE(val);
if (SvGMAGICAL(val))
mg_get(val);
if (SvROK(val)) {
if (SvOBJECT(SvRV(val)) && freezer &&
SvPOK(freezer) && SvCUR(freezer))
{
dSP; ENTER; SAVETMPS; PUSHMARK(sp);
XPUSHs(val); PUTBACK;
i = perl_call_method(SvPVX(freezer), G_EVAL|G_SCALAR);
SPAGAIN;
if (SvTRUE(ERRSV))
warn("WARNING(Freezer method call failed): %s",
SvPVX(ERRSV));
else if (i)
val = newSVsv(POPs);
PUTBACK; FREETMPS; LEAVE;
if (i)
(void)sv_2mortal(val);
}
ival = SvRV(val);
flags = SvFLAGS(ival);
realtype = SvTYPE(ival);
(void) sprintf(id, "0x%lx", (unsigned long)ival);
idlen = strlen(id);
if (SvOBJECT(ival))
realpack = HvNAME(SvSTASH(ival));
else
realpack = Nullch;
/* if it has a name, we need to either look it up, or keep a tab
* on it so we know when we hit it later
*/
if (namelen) {
if ((svp = hv_fetch(seenhv, id, idlen, FALSE))
&& (sv = *svp) && SvROK(sv) && (seenentry = (AV*)SvRV(sv)))
{
SV *othername;
if ((svp = av_fetch(seenentry, 0, FALSE))
&& (othername = *svp))
{
if (purity && *levelp > 0) {
SV *postentry;
if (realtype == SVt_PVHV)
sv_catpvn(retval, "{}", 2);
else if (realtype == SVt_PVAV)
sv_catpvn(retval, "[]", 2);
else
sv_catpvn(retval, "do{my $o}", 9);
postentry = newSVpvn(name, namelen);
sv_catpvn(postentry, " = ", 3);
sv_catsv(postentry, othername);
av_push(postav, postentry);
}
else {
if (name[0] == '@' || name[0] == '%') {
if ((SvPVX(othername))[0] == '\\' &&
(SvPVX(othername))[1] == name[0]) {
sv_catpvn(retval, SvPVX(othername)+1,
SvCUR(othername)-1);
}
else {
sv_catpvn(retval, name, 1);
sv_catpvn(retval, "{", 1);
sv_catsv(retval, othername);
sv_catpvn(retval, "}", 1);
}
}
else
sv_catsv(retval, othername);
}
return 1;
}
else {
warn("ref name not found for %s", id);
return 0;
}
}
else { /* store our name and continue */
SV *namesv;
if (name[0] == '@' || name[0] == '%') {
namesv = newSVpvn("\\", 1);
sv_catpvn(namesv, name, namelen);
}
else if (realtype == SVt_PVCV && name[0] == '*') {
namesv = newSVpvn("\\", 2);
sv_catpvn(namesv, name, namelen);
(SvPVX(namesv))[1] = '&';
}
else
namesv = newSVpvn(name, namelen);
seenentry = newAV();
av_push(seenentry, namesv);
(void)SvREFCNT_inc(val);
av_push(seenentry, val);
(void)hv_store(seenhv, id, strlen(id),
newRV((SV*)seenentry), 0);
SvREFCNT_dec(seenentry);
}
}
if (realpack && *realpack == 'R' && strEQ(realpack, "Regexp")) {
STRLEN rlen;
char *rval = SvPV(val, rlen);
char *slash = strchr(rval, '/');
sv_catpvn(retval, "qr/", 3);
while (slash) {
sv_catpvn(retval, rval, slash-rval);
sv_catpvn(retval, "\\/", 2);
rlen -= slash-rval+1;
rval = slash+1;
slash = strchr(rval, '/');
}
sv_catpvn(retval, rval, rlen);
sv_catpvn(retval, "/", 1);
return 1;
}
/* If purity is not set and maxdepth is set, then check depth:
* if we have reached maximum depth, return the string
* representation of the thing we are currently examining
* at this depth (i.e., 'Foo=ARRAY(0xdeadbeef)').
*/
if (!purity && maxdepth > 0 && *levelp >= maxdepth) {
STRLEN vallen;
char *valstr = SvPV(val,vallen);
sv_catpvn(retval, "'", 1);
sv_catpvn(retval, valstr, vallen);
sv_catpvn(retval, "'", 1);
return 1;
}
if (realpack) { /* we have a blessed ref */
STRLEN blesslen;
char *blessstr = SvPV(bless, blesslen);
sv_catpvn(retval, blessstr, blesslen);
sv_catpvn(retval, "( ", 2);
if (indent >= 2) {
blesspad = apad;
apad = newSVsv(apad);
sv_x(aTHX_ apad, " ", 1, blesslen+2);
}
}
(*levelp)++;
ipad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp);
if (realtype <= SVt_PVBM) { /* scalar ref */
SV *namesv = newSVpvn("${", 2);
sv_catpvn(namesv, name, namelen);
sv_catpvn(namesv, "}", 1);
if (realpack) { /* blessed */
sv_catpvn(retval, "do{\\(my $o = ", 13);
DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
postav, levelp, indent, pad, xpad, apad, sep,
freezer, toaster, purity, deepcopy, quotekeys, bless,
maxdepth);
sv_catpvn(retval, ")}", 2);
} /* plain */
else {
sv_catpvn(retval, "\\", 1);
DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
postav, levelp, indent, pad, xpad, apad, sep,
freezer, toaster, purity, deepcopy, quotekeys, bless,
maxdepth);
}
SvREFCNT_dec(namesv);
}
else if (realtype == SVt_PVGV) { /* glob ref */
SV *namesv = newSVpvn("*{", 2);
sv_catpvn(namesv, name, namelen);
sv_catpvn(namesv, "}", 1);
sv_catpvn(retval, "\\", 1);
DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
postav, levelp, indent, pad, xpad, apad, sep,
freezer, toaster, purity, deepcopy, quotekeys, bless,
maxdepth);
SvREFCNT_dec(namesv);
}
else if (realtype == SVt_PVAV) {
SV *totpad;
I32 ix = 0;
I32 ixmax = av_len((AV *)ival);
SV *ixsv = newSViv(0);
/* allowing for a 24 char wide array index */
New(0, iname, namelen+28, char);
(void)strcpy(iname, name);
inamelen = namelen;
if (name[0] == '@') {
sv_catpvn(retval, "(", 1);
iname[0] = '$';
}
else {
sv_catpvn(retval, "[", 1);
/* omit "->" in $foo{bar}->[0], but not in ${$foo}->[0] */
/*if (namelen > 0
&& name[namelen-1] != ']' && name[namelen-1] != '}'
&& (namelen < 4 || (name[1] != '{' && name[2] != '{')))*/
if ((namelen > 0
&& name[namelen-1] != ']' && name[namelen-1] != '}')
|| (namelen > 4
&& (name[1] == '{'
|| (name[0] == '\\' && name[2] == '{'))))
{
iname[inamelen++] = '-'; iname[inamelen++] = '>';
iname[inamelen] = '\0';
}
}
if (iname[0] == '*' && iname[inamelen-1] == '}' && inamelen >= 8 &&
(instr(iname+inamelen-8, "{SCALAR}") ||
instr(iname+inamelen-7, "{ARRAY}") ||
instr(iname+inamelen-6, "{HASH}"))) {
iname[inamelen++] = '-'; iname[inamelen++] = '>';
}
iname[inamelen++] = '['; iname[inamelen] = '\0';
totpad = newSVsv(sep);
sv_catsv(totpad, pad);
sv_catsv(totpad, apad);
for (ix = 0; ix <= ixmax; ++ix) {
STRLEN ilen;
SV *elem;
svp = av_fetch((AV*)ival, ix, FALSE);
if (svp)
elem = *svp;
else
elem = &PL_sv_undef;
ilen = inamelen;
sv_setiv(ixsv, ix);
(void) sprintf(iname+ilen, "%"IVdf, (IV)ix);
ilen = strlen(iname);
iname[ilen++] = ']'; iname[ilen] = '\0';
if (indent >= 3) {
sv_catsv(retval, totpad);
sv_catsv(retval, ipad);
sv_catpvn(retval, "#", 1);
sv_catsv(retval, ixsv);
}
sv_catsv(retval, totpad);
sv_catsv(retval, ipad);
DD_dump(aTHX_ elem, iname, ilen, retval, seenhv, postav,
levelp, indent, pad, xpad, apad, sep,
freezer, toaster, purity, deepcopy, quotekeys, bless,
maxdepth);
if (ix < ixmax)
sv_catpvn(retval, ",", 1);
}
if (ixmax >= 0) {
SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), (*levelp)-1);
sv_catsv(retval, totpad);
sv_catsv(retval, opad);
SvREFCNT_dec(opad);
}
if (name[0] == '@')
sv_catpvn(retval, ")", 1);
else
sv_catpvn(retval, "]", 1);
SvREFCNT_dec(ixsv);
SvREFCNT_dec(totpad);
Safefree(iname);
}
else if (realtype == SVt_PVHV) {
SV *totpad, *newapad;
SV *iname, *sname;
HE *entry;
char *key;
I32 klen;
SV *hval;
iname = newSVpvn(name, namelen);
if (name[0] == '%') {
sv_catpvn(retval, "(", 1);
(SvPVX(iname))[0] = '$';
}
else {
sv_catpvn(retval, "{", 1);
/* omit "->" in $foo[0]->{bar}, but not in ${$foo}->{bar} */
if ((namelen > 0
&& name[namelen-1] != ']' && name[namelen-1] != '}')
|| (namelen > 4
&& (name[1] == '{'
|| (name[0] == '\\' && name[2] == '{'))))
{
sv_catpvn(iname, "->", 2);
}
}
if (name[0] == '*' && name[namelen-1] == '}' && namelen >= 8 &&
(instr(name+namelen-8, "{SCALAR}") ||
instr(name+namelen-7, "{ARRAY}") ||
instr(name+namelen-6, "{HASH}"))) {
sv_catpvn(iname, "->", 2);
}
sv_catpvn(iname, "{", 1);
totpad = newSVsv(sep);
sv_catsv(totpad, pad);
sv_catsv(totpad, apad);
(void)hv_iterinit((HV*)ival);
i = 0;
while ((entry = hv_iternext((HV*)ival))) {
char *nkey;
I32 nticks = 0;
if (i)
sv_catpvn(retval, ",", 1);
i++;
key = hv_iterkey(entry, &klen);
hval = hv_iterval((HV*)ival, entry);
if (quotekeys || needs_quote(key)) {
nticks = num_q(key, klen);
New(0, nkey, klen+nticks+3, char);
nkey[0] = '\'';
if (nticks)
klen += esc_q(nkey+1, key, klen);
else
(void)Copy(key, nkey+1, klen, char);
nkey[++klen] = '\'';
nkey[++klen] = '\0';
}
else {
New(0, nkey, klen, char);
(void)Copy(key, nkey, klen, char);
}
sname = newSVsv(iname);
sv_catpvn(sname, nkey, klen);
sv_catpvn(sname, "}", 1);
sv_catsv(retval, totpad);
sv_catsv(retval, ipad);
sv_catpvn(retval, nkey, klen);
sv_catpvn(retval, " => ", 4);
if (indent >= 2) {
char *extra;
I32 elen = 0;
newapad = newSVsv(apad);
New(0, extra, klen+4+1, char);
while (elen < (klen+4))
extra[elen++] = ' ';
extra[elen] = '\0';
sv_catpvn(newapad, extra, elen);
Safefree(extra);
}
else
newapad = apad;
DD_dump(aTHX_ hval, SvPVX(sname), SvCUR(sname), retval, seenhv,
postav, levelp, indent, pad, xpad, newapad, sep,
freezer, toaster, purity, deepcopy, quotekeys, bless,
maxdepth);
SvREFCNT_dec(sname);
Safefree(nkey);
if (indent >= 2)
SvREFCNT_dec(newapad);
}
if (i) {
SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp-1);
sv_catsv(retval, totpad);
sv_catsv(retval, opad);
SvREFCNT_dec(opad);
}
if (name[0] == '%')
sv_catpvn(retval, ")", 1);
else
sv_catpvn(retval, "}", 1);
SvREFCNT_dec(iname);
SvREFCNT_dec(totpad);
}
else if (realtype == SVt_PVCV) {
sv_catpvn(retval, "sub { \"DUMMY\" }", 15);
if (purity)
warn("Encountered CODE ref, using dummy placeholder");
}
else {
warn("cannot handle ref type %ld", realtype);
}
if (realpack) { /* free blessed allocs */
if (indent >= 2) {
SvREFCNT_dec(apad);
apad = blesspad;
}
sv_catpvn(retval, ", '", 3);
sv_catpvn(retval, realpack, strlen(realpack));
sv_catpvn(retval, "' )", 3);
if (toaster && SvPOK(toaster) && SvCUR(toaster)) {
sv_catpvn(retval, "->", 2);
sv_catsv(retval, toaster);
sv_catpvn(retval, "()", 2);
}
}
SvREFCNT_dec(ipad);
(*levelp)--;
}
else {
STRLEN i;
if (namelen) {
(void) sprintf(id, "0x%lx", (unsigned long)val);
if ((svp = hv_fetch(seenhv, id, (idlen = strlen(id)), FALSE)) &&
(sv = *svp) && SvROK(sv) &&
(seenentry = (AV*)SvRV(sv)))
{
SV *othername;
if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)
&& (svp = av_fetch(seenentry, 2, FALSE)) && *svp && SvIV(*svp) > 0)
{
sv_catpvn(retval, "${", 2);
sv_catsv(retval, othername);
sv_catpvn(retval, "}", 1);
return 1;
}
}
else {
SV *namesv;
namesv = newSVpvn("\\", 1);
sv_catpvn(namesv, name, namelen);
seenentry = newAV();
av_push(seenentry, namesv);
av_push(seenentry, newRV(val));
(void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
SvREFCNT_dec(seenentry);
}
}
if (SvIOK(val)) {
STRLEN len;
if (SvIsUV(val))
(void) sprintf(tmpbuf, "%"UVuf, SvUV(val));
else
(void) sprintf(tmpbuf, "%"IVdf, SvIV(val));
len = strlen(tmpbuf);
sv_catpvn(retval, tmpbuf, len);
}
else if (realtype == SVt_PVGV) {/* GLOBs can end up with scribbly names */
c = SvPV(val, i);
++c; --i; /* just get the name */
if (i >= 6 && strncmp(c, "main::", 6) == 0) {
c += 4;
i -= 4;
}
if (needs_quote(c)) {
sv_grow(retval, SvCUR(retval)+6+2*i);
r = SvPVX(retval)+SvCUR(retval);
r[0] = '*'; r[1] = '{'; r[2] = '\'';
i += esc_q(r+3, c, i);
i += 3;
r[i++] = '\''; r[i++] = '}';
r[i] = '\0';
}
else {
sv_grow(retval, SvCUR(retval)+i+2);
r = SvPVX(retval)+SvCUR(retval);
r[0] = '*'; strcpy(r+1, c);
i++;
}
SvCUR_set(retval, SvCUR(retval)+i);
if (purity) {
static char *entries[] = { "{SCALAR}", "{ARRAY}", "{HASH}" };
static STRLEN sizes[] = { 8, 7, 6 };
SV *e;
SV *nname = newSVpvn("", 0);
SV *newapad = newSVpvn("", 0);
GV *gv = (GV*)val;
I32 j;
for (j=0; j<3; j++) {
e = ((j == 0) ? GvSV(gv) : (j == 1) ? (SV*)GvAV(gv) : (SV*)GvHV(gv));
if (!e)
continue;
if (j == 0 && !SvOK(e))
continue;
{
I32 nlevel = 0;
SV *postentry = newSVpvn(r,i);
sv_setsv(nname, postentry);
sv_catpvn(nname, entries[j], sizes[j]);
sv_catpvn(postentry, " = ", 3);
av_push(postav, postentry);
e = newRV(e);
SvCUR(newapad) = 0;
if (indent >= 2)
(void)sv_x(aTHX_ newapad, " ", 1, SvCUR(postentry));
DD_dump(aTHX_ e, SvPVX(nname), SvCUR(nname), postentry,
seenhv, postav, &nlevel, indent, pad, xpad,
newapad, sep, freezer, toaster, purity,
deepcopy, quotekeys, bless, maxdepth);
SvREFCNT_dec(e);
}
}
SvREFCNT_dec(newapad);
SvREFCNT_dec(nname);
}
}
else if (val == &PL_sv_undef || !SvOK(val)) {
sv_catpvn(retval, "undef", 5);
}
else {
c = SvPV(val, i);
sv_grow(retval, SvCUR(retval)+3+2*i);
r = SvPVX(retval)+SvCUR(retval);
r[0] = '\'';
i += esc_q(r+1, c, i);
++i;
r[i++] = '\'';
r[i] = '\0';
SvCUR_set(retval, SvCUR(retval)+i);
}
}
if (idlen) {
if (deepcopy)
(void)hv_delete(seenhv, id, idlen, G_DISCARD);
else if (namelen && seenentry) {
SV *mark = *av_fetch(seenentry, 2, TRUE);
sv_setiv(mark,1);
}
}
return 1;
}
MODULE = Data::Dumper PACKAGE = Data::Dumper PREFIX = Data_Dumper_
#
# This is the exact equivalent of Dump. Well, almost. The things that are
# different as of now (due to Laziness):
# * doesnt do double-quotes yet.
#
void
Data_Dumper_Dumpxs(href, ...)
SV *href;
PROTOTYPE: $;$$
PPCODE:
{
HV *hv;
SV *retval, *valstr;
HV *seenhv = Nullhv;
AV *postav, *todumpav, *namesav;
I32 level = 0;
I32 indent, terse, useqq, i, imax, postlen;
SV **svp;
SV *val, *name, *pad, *xpad, *apad, *sep, *tmp, *varname;
SV *freezer, *toaster, *bless;
I32 purity, deepcopy, quotekeys, maxdepth = 0;
char tmpbuf[1024];
I32 gimme = GIMME;
if (!SvROK(href)) { /* call new to get an object first */
if (items < 2)
croak("Usage: Data::Dumper::Dumpxs(PACKAGE, VAL_ARY_REF, [NAME_ARY_REF])");
ENTER;
SAVETMPS;
PUSHMARK(sp);
XPUSHs(href);
XPUSHs(sv_2mortal(newSVsv(ST(1))));
if (items >= 3)
XPUSHs(sv_2mortal(newSVsv(ST(2))));
PUTBACK;
i = perl_call_method("new", G_SCALAR);
SPAGAIN;
if (i)
href = newSVsv(POPs);
PUTBACK;
FREETMPS;
LEAVE;
if (i)
(void)sv_2mortal(href);
}
todumpav = namesav = Nullav;
seenhv = Nullhv;
val = pad = xpad = apad = sep = tmp = varname
= freezer = toaster = bless = &PL_sv_undef;
name = sv_newmortal();
indent = 2;
terse = useqq = purity = deepcopy = 0;
quotekeys = 1;
retval = newSVpvn("", 0);
if (SvROK(href)
&& (hv = (HV*)SvRV((SV*)href))
&& SvTYPE(hv) == SVt_PVHV) {
if ((svp = hv_fetch(hv, "seen", 4, FALSE)) && SvROK(*svp))
seenhv = (HV*)SvRV(*svp);
if ((svp = hv_fetch(hv, "todump", 6, FALSE)) && SvROK(*svp))
todumpav = (AV*)SvRV(*svp);
if ((svp = hv_fetch(hv, "names", 5, FALSE)) && SvROK(*svp))
namesav = (AV*)SvRV(*svp);
if ((svp = hv_fetch(hv, "indent", 6, FALSE)))
indent = SvIV(*svp);
if ((svp = hv_fetch(hv, "purity", 6, FALSE)))
purity = SvIV(*svp);
if ((svp = hv_fetch(hv, "terse", 5, FALSE)))
terse = SvTRUE(*svp);
if ((svp = hv_fetch(hv, "useqq", 5, FALSE)))
useqq = SvTRUE(*svp);
if ((svp = hv_fetch(hv, "pad", 3, FALSE)))
pad = *svp;
if ((svp = hv_fetch(hv, "xpad", 4, FALSE)))
xpad = *svp;
if ((svp = hv_fetch(hv, "apad", 4, FALSE)))
apad = *svp;
if ((svp = hv_fetch(hv, "sep", 3, FALSE)))
sep = *svp;
if ((svp = hv_fetch(hv, "varname", 7, FALSE)))
varname = *svp;
if ((svp = hv_fetch(hv, "freezer", 7, FALSE)))
freezer = *svp;
if ((svp = hv_fetch(hv, "toaster", 7, FALSE)))
toaster = *svp;
if ((svp = hv_fetch(hv, "deepcopy", 8, FALSE)))
deepcopy = SvTRUE(*svp);
if ((svp = hv_fetch(hv, "quotekeys", 9, FALSE)))
quotekeys = SvTRUE(*svp);
if ((svp = hv_fetch(hv, "bless", 5, FALSE)))
bless = *svp;
if ((svp = hv_fetch(hv, "maxdepth", 8, FALSE)))
maxdepth = SvIV(*svp);
postav = newAV();
if (todumpav)
imax = av_len(todumpav);
else
imax = -1;
valstr = newSVpvn("",0);
for (i = 0; i <= imax; ++i) {
SV *newapad;
av_clear(postav);
if ((svp = av_fetch(todumpav, i, FALSE)))
val = *svp;
else
val = &PL_sv_undef;
if ((svp = av_fetch(namesav, i, TRUE)))
sv_setsv(name, *svp);
else
(void)SvOK_off(name);
if (SvOK(name)) {
if ((SvPVX(name))[0] == '*') {
if (SvROK(val)) {
switch (SvTYPE(SvRV(val))) {
case SVt_PVAV:
(SvPVX(name))[0] = '@';
break;
case SVt_PVHV:
(SvPVX(name))[0] = '%';
break;
case SVt_PVCV:
(SvPVX(name))[0] = '*';
break;
default:
(SvPVX(name))[0] = '$';
break;
}
}
else
(SvPVX(name))[0] = '$';
}
else if ((SvPVX(name))[0] != '$')
sv_insert(name, 0, 0, "$", 1);
}
else {
STRLEN nchars = 0;
sv_setpvn(name, "$", 1);
sv_catsv(name, varname);
(void) sprintf(tmpbuf, "%"IVdf, (IV)(i+1));
nchars = strlen(tmpbuf);
sv_catpvn(name, tmpbuf, nchars);
}
if (indent >= 2) {
SV *tmpsv = sv_x(aTHX_ Nullsv, " ", 1, SvCUR(name)+3);
newapad = newSVsv(apad);
sv_catsv(newapad, tmpsv);
SvREFCNT_dec(tmpsv);
}
else
newapad = apad;
DD_dump(aTHX_ val, SvPVX(name), SvCUR(name), valstr, seenhv,
postav, &level, indent, pad, xpad, newapad, sep,
freezer, toaster, purity, deepcopy, quotekeys,
bless, maxdepth);
if (indent >= 2)
SvREFCNT_dec(newapad);
postlen = av_len(postav);
if (postlen >= 0 || !terse) {
sv_insert(valstr, 0, 0, " = ", 3);
sv_insert(valstr, 0, 0, SvPVX(name), SvCUR(name));
sv_catpvn(valstr, ";", 1);
}
sv_catsv(retval, pad);
sv_catsv(retval, valstr);
sv_catsv(retval, sep);
if (postlen >= 0) {
I32 i;
sv_catsv(retval, pad);
for (i = 0; i <= postlen; ++i) {
SV *elem;
svp = av_fetch(postav, i, FALSE);
if (svp && (elem = *svp)) {
sv_catsv(retval, elem);
if (i < postlen) {
sv_catpvn(retval, ";", 1);
sv_catsv(retval, sep);
sv_catsv(retval, pad);
}
}
}
sv_catpvn(retval, ";", 1);
sv_catsv(retval, sep);
}
sv_setpvn(valstr, "", 0);
if (gimme == G_ARRAY) {
XPUSHs(sv_2mortal(retval));
if (i < imax) /* not the last time thro ? */
retval = newSVpvn("",0);
}
}
SvREFCNT_dec(postav);
SvREFCNT_dec(valstr);
}
else
croak("Call to new() method failed to return HASH ref");
if (gimme == G_SCALAR)
XPUSHs(sv_2mortal(retval));
}