#define PERL_NO_GET_CONTEXT
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#ifndef PM_GETRE
# if defined(USE_ITHREADS) && (PERL_VERSION > 8)
# define PM_GETRE(o) (INT2PTR(REGEXP*,SvIVX(PL_regex_pad[(o)->op_pmoffset])))
# else
# define PM_GETRE(o) ((o)->op_pmregexp)
# endif
#endif
/* for < 5.10 */
#if defined(DEBUGGING) && !defined(RX_WRAPPED)
# define RX_WRAPPED(rx) ((rx)->subbeg)
#endif
/* hack for 5.6.2: just want to know if PMf_ONCE or 0 */
#ifndef PmopSTASHPV
# define PmopSTASHPV(o) ((o)->op_pmflags & PMf_ONCE)
#endif
#ifndef RX_EXTFLAGS
# define RX_EXTFLAGS(prog) ((prog)->extflags)
#endif
#if PERL_VERSION < 10
#undef MY_CXT_INIT
#define MY_CXT_INIT
#endif
#if PERL_VERSION > 17 && (PERL_VERSION < 19 || (PERL_VERSION == 19 && PERL_SUBVERSION < 4))
#define need_op_slabbed
#endif
#if PERL_VERSION == 19 && (PERL_SUBVERSION > 2 && PERL_SUBVERSION <= 4)
#define need_op_folded
#endif
typedef struct magic *B__MAGIC;
#if PERL_VERSION > 17
typedef PADNAME *B__PADNAME;
#endif
#if PERL_VERSION > 21
typedef PADLIST *B__PADLIST;
typedef PADNAMELIST *B__PADNAMELIST;
#endif
#if PERL_VERSION >= 11
typedef struct p5rx *B__REGEXP;
#endif
typedef COP *B__COP;
typedef OP *B__OP;
typedef HV *B__HV;
STATIC U32 a_hash = 0;
typedef struct {
U32 bits;
IV require_tag;
} a_hint_t;
#if PERL_VERSION >= 10
static const char* const svclassnames[] = {
"B::NULL",
#if PERL_VERSION < 19
"B::BIND",
#endif
"B::IV",
"B::NV",
#if PERL_VERSION <= 10
"B::RV",
#endif
"B::PV",
#if PERL_VERSION >= 19
"B::INVLIST",
#endif
"B::PVIV",
"B::PVNV",
"B::PVMG",
#if PERL_VERSION >= 11
"B::REGEXP",
#endif
"B::GV",
"B::PVLV",
"B::AV",
"B::HV",
"B::CV",
"B::FM",
"B::IO",
};
#define MY_CXT_KEY "B::C::_guts" XS_VERSION
typedef struct {
int x_walkoptree_debug; /* Flag for walkoptree debug hook */
SV * x_specialsv_list[7];
} my_cxt_t;
START_MY_CXT
#define walkoptree_debug (MY_CXT.x_walkoptree_debug)
#define specialsv_list (MY_CXT.x_specialsv_list)
static SV *
make_sv_object(pTHX_ SV *sv)
{
SV *const arg = sv_newmortal();
const char *type = 0;
IV iv;
dMY_CXT;
for (iv = 0; iv < (IV)(sizeof(specialsv_list)/sizeof(SV*)); iv++) {
if (sv == specialsv_list[iv]) {
type = "B::SPECIAL";
break;
}
}
if (!type) {
type = svclassnames[SvTYPE(sv)];
iv = PTR2IV(sv);
}
sv_setiv(newSVrv(arg, type), iv);
return arg;
}
#endif
static int
my_runops(pTHX)
{
HV* regexp_hv = get_hv( "B::C::Regexp", GV_ADD );
SV* key = newSViv( 0 );
int type;
DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level (B::C)\n"));
do {
#if (PERL_VERSION < 13) || ((PERL_VERSION == 13) && (PERL_SUBVERSION < 2))
PERL_ASYNC_CHECK();
#endif
if (PL_debug) {
if (PL_watchaddr && (*PL_watchaddr != PL_watchok))
PerlIO_printf(Perl_debug_log,
"WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
PTR2UV(*PL_watchaddr));
#if defined(DEBUGGING) \
&& !(defined(_WIN32) || (defined(__CYGWIN__) && (__GNUC__ > 3)) || defined(AIX))
# if (PERL_VERSION > 7)
if (DEBUG_s_TEST_) debstack();
if (DEBUG_t_TEST_) debop(PL_op);
# else
DEBUG_s(debstack());
DEBUG_t(debop(PL_op));
# endif
#endif
}
/* Need to store the rx all for QR PMOPs in a global %Regexp hash. MATCH once also */
type = PL_op->op_type;
#if 1
if (type == OP_QR
|| (type == OP_MATCH
# if PERL_VERSION < 20
&& (((PMOP*)PL_op)->op_pmflags & PMf_ONCE)
# else
&& PmopSTASH((PMOP*)PL_op)
# endif
))
#else
if ((type == OP_QR)
|| (type == OP_MATCH)
|| (type == OP_PUSHRE)
|| (type == OP_SUBST))
#endif
{
PMOP* op;
REGEXP* rx = PM_GETRE( (PMOP*)PL_op );
SV* rv = newSViv( 0 );
New(0, op, 1, PMOP );
Copy( PL_op, op, 1, PMOP );
/* we need just the flags */
op->op_next = NULL;
op->op_sibling = NULL;
op->op_first = NULL;
op->op_last = NULL;
#if PERL_VERSION < 10
op->op_pmreplroot = NULL;
op->op_pmreplstart = NULL;
op->op_pmnext = NULL;
#endif
#if defined(USE_ITHREADS) && (PERL_VERSION > 7)
op->op_pmoffset = 0;
#else
op->op_pmregexp = 0;
#endif
sv_setiv( key, PTR2IV( rx ) );
sv_setref_iv( rv, "B::PMOP", PTR2IV( op ) );
#if defined(DEBUGGING) && (PERL_VERSION > 7)
if (DEBUG_D_TEST_) fprintf(stderr, "pmop %p => rx %s %p 0x%x %s\n",
op, PL_op_name[type], rx, op->op_pmflags,
RX_WRAPPED(rx));
#endif
hv_store_ent( regexp_hv, key, rv, 0 );
}
} while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
SvREFCNT_dec( key );
TAINT_NOT;
return 0;
}
MODULE = B__MAGIC PACKAGE = B::MAGIC
#if PERL_VERSION < 7
SV*
precomp(mg)
B::MAGIC mg
CODE:
if (mg->mg_type == 'r') {
REGEXP* rx = (REGEXP*)mg->mg_obj;
RETVAL = Nullsv;
if (rx)
RETVAL = newSVpvn( rx->precomp, rx->prelen );
}
else {
croak( "precomp is only meaningful on r-magic" );
}
OUTPUT:
RETVAL
#endif
MODULE = B PACKAGE = B::PMOP
#if defined(RX_UTF8) && PERL_VERSION < 20
SV*
precomp(o)
B::OP o
PPCODE:
{
if (SvROK(ST(0))) {
IV tmp = SvIV((SV*)SvRV(ST(0)));
o = INT2PTR(B__OP,tmp);
}
else
croak("precomp(o) argument is not a reference");
if (o) {
REGEXP *rx = PM_GETRE(cPMOPo);
if (!rx)
XSRETURN_UNDEF;
ST(0) = sv_2mortal(newSVpvn_flags(RX_PRECOMP(rx), RX_PRELEN(rx), RX_UTF8(rx) ? SVf_UTF8 : 0));
XSRETURN(1);
} else {
XSRETURN_UNDEF;
}
}
#endif
MODULE = B PACKAGE = B::HV
#if PERL_VERSION > 13
# returns a single or multiple ENAME(s), since 5.14
void
ENAMES(hv)
B::HV hv
PPCODE:
if (SvOOK(hv)) {
if (HvENAME_HEK(hv)) {
I32 i = 0;
const I32 count = HvAUX(hv)->xhv_name_count;
if (count) {
HEK** names = HvAUX(hv)->xhv_name_u.xhvnameu_names;
HEK *const *hekp = names + (count < 0 ? 1 : 0);
HEK *const *const endp = names + (count < 0 ? -count : count);
while (hekp < endp) {
assert(*hekp);
PUSHs(newSVpvn_flags(HEK_KEY(*hekp), HEK_LEN(*hekp),
HEK_UTF8(*hekp) ? SVf_UTF8|SVs_TEMP : SVs_TEMP));
++hekp;
i++;
}
XSRETURN(i);
}
else {
HEK *const hek = HvENAME_HEK_NN(hv);
ST(0) = newSVpvn_flags(HEK_KEY(hek), HEK_LEN(hek),
HEK_UTF8(hek) ? SVf_UTF8|SVs_TEMP : SVs_TEMP);
XSRETURN(1);
}
}
}
XSRETURN_UNDEF;
I32
name_count(hv)
B::HV hv
PPCODE:
if (SvOOK(hv))
PUSHi(HvAUX(hv)->xhv_name_count);
else
PUSHi(0);
#endif
MODULE = B PACKAGE = B::UNOP_AUX
#if PERL_VERSION > 21
SV*
aux(o)
B::OP o
CODE:
{
UNOP_AUX_item *items = cUNOP_AUXo->op_aux;
UV len = items[-1].uv;
RETVAL = newSVpvn_flags((char*)&items[-1], (1+len) * sizeof(UNOP_AUX_item), 0);
}
OUTPUT:
RETVAL
# Return the contents of the op_aux array as a list of IV/SV/GV/PADOFFSET objects.
# This version here returns the padoffset of SV/GV under ithreads, and not the
# SV/GV itself. It also uses simplified mPUSH macros.
# The design of the upstream aux_list method deviates significantly from proper B design.
void
aux_list_thr(o)
B::OP o
PPCODE:
PERL_UNUSED_VAR(cv); /* not needed on unthreaded builds */
switch (o->op_type) {
default:
XSRETURN(0); /* by default, an empty list */
case OP_MULTIDEREF:
#ifdef USE_ITHREADS
# define PUSH_SV(item) mPUSHu((item)->pad_offset)
#else
# define PUSH_SV(item) PUSHs(make_sv_object(aTHX_ (item)->sv))
#endif
{
UNOP_AUX_item *items = cUNOP_AUXo->op_aux;
UV actions = items->uv;
UV len = items[-1].uv;
bool last = 0;
bool is_hash = FALSE;
EXTEND(SP, len);
mPUSHu(actions);
while (!last) {
switch (actions & MDEREF_ACTION_MASK) {
case MDEREF_reload:
actions = (++items)->uv;
mPUSHu(actions);
continue;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_padhv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_padav_aelem:
mPUSHu((++items)->pad_offset);
goto do_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_gvhv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_gvav_aelem:
PUSH_SV(++items);
goto do_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_gvsv_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_gvsv_vivify_rv2av_aelem:
PUSH_SV(++items);
goto do_vivify_rv2xv_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_padsv_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_padsv_vivify_rv2av_aelem:
mPUSHu((++items)->pad_offset);
goto do_vivify_rv2xv_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_pop_rv2hv_helem:
case MDEREF_HV_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
do_vivify_rv2xv_elem:
case MDEREF_AV_pop_rv2av_aelem:
case MDEREF_AV_vivify_rv2av_aelem:
do_elem:
switch (actions & MDEREF_INDEX_MASK) {
case MDEREF_INDEX_none:
last = 1;
break;
case MDEREF_INDEX_const:
if (is_hash)
PUSH_SV(++items);
else
mPUSHi((++items)->iv);
break;
case MDEREF_INDEX_padsv:
mPUSHu((++items)->pad_offset);
break;
case MDEREF_INDEX_gvsv:
PUSH_SV(++items);
break;
}
if (actions & MDEREF_FLAG_last)
last = 1;
is_hash = FALSE;
break;
} /* switch */
actions >>= MDEREF_SHIFT;
} /* while */
XSRETURN(len);
} /* OP_MULTIDEREF */
} /* switch */
#endif
#if PERL_VERSION > 21
MODULE = B PACKAGE = B::PADNAME PREFIX = Padname
int
PadnameGEN(padn)
B::PADNAME padn
CODE:
RETVAL = padn->xpadn_gen;
OUTPUT:
RETVAL
MODULE = B PACKAGE = B::PADLIST PREFIX = Padlist
U32
PadlistID(padlist)
B::PADLIST padlist
ALIAS: B::PADLIST::OUTID = 1
CODE:
RETVAL = ix ? padlist->xpadl_outid : padlist->xpadl_id;
OUTPUT:
RETVAL
MODULE = B PACKAGE = B::PADNAMELIST PREFIX = Padnamelist
size_t
PadnamelistMAXNAMED(padnl)
B::PADNAMELIST padnl
#endif
MODULE = B PACKAGE = B::REGEXP PREFIX = RX_
#if PERL_VERSION > 10
U32
RX_EXTFLAGS(rx)
B::REGEXP rx
#endif
MODULE = B PACKAGE = B::COP PREFIX = COP_
#if (PERL_VERSION >= 15) && defined(USE_ITHREADS) && defined(CopSTASH_flags)
#define COP_stashflags(o) CopSTASH_flags(o)
U32
COP_stashflags(o)
B::COP o
#endif
#ifdef CopLABEL_len_flags
SV*
COP_label(o)
B::OP o
PPCODE:
{
STRLEN len;
U32 flags;
const char *pv = CopLABEL_len_flags(cCOPo, &len, &flags);
ST(0) = pv ? sv_2mortal(newSVpvn_flags(pv, len, flags))
: &PL_sv_undef;
}
XSRETURN(1);
#endif
MODULE = B__CC PACKAGE = B::CC
PROTOTYPES: DISABLE
# Perl_ck_null is not exported on Windows, so disable autovivification optimizations there
U32
_autovivification(cop)
B::COP cop
CODE:
{
SV *hint;
IV h;
RETVAL = 1;
if (PL_check[OP_PADSV] != PL_check[0]) {
char *package = CopSTASHPV(cop);
#ifdef cop_hints_fetch_pvn
hint = cop_hints_fetch_pvn(cop, "autovivification", strlen("autovivification"), a_hash, 0);
#elif PERL_VERSION > 9
hint = Perl_refcounted_he_fetch(aTHX_ cop->cop_hints_hash,
NULL, "autovivification", strlen("autovivification"), 0, a_hash);
#else
SV **val = hv_fetch(GvHV(PL_hintgv), "autovivification", strlen("autovivification"), 0);
if (!val)
return;
hint = *val;
#endif
if (!(hint && SvIOK(hint)))
return;
h = SvIVX(hint);
if (h & 4) /* A_HINT_FETCH 4 */
RETVAL = 0;
}
}
OUTPUT:
RETVAL
MODULE = B__OP PACKAGE = B::OP PREFIX = op_
#ifdef need_op_slabbed
I32
op_slabbed(op)
B::OP op
PPCODE:
PUSHi(op->op_slabbed);
I32
op_savefree(op)
B::OP op
PPCODE:
PUSHi(op->op_savefree);
I32
op_static(op)
B::OP op
PPCODE:
PUSHi(op->op_static);
#endif
#ifdef need_op_folded
I32
op_folded(op)
B::OP op
PPCODE:
PUSHi(op->op_folded);
#endif
MODULE = B PACKAGE = B::HV PREFIX = Hv
#if PERL_VERSION >= 10
void
HvARRAY_utf8(hv)
B::HV hv
PPCODE:
if (HvKEYS(hv) > 0) {
HE *he;
(void)hv_iterinit(hv);
EXTEND(sp, HvKEYS(hv) * 2);
while ((he = hv_iternext(hv))) {
if (HeSVKEY(he)) {
mPUSHs(HeSVKEY(he));
} else if (HeKUTF8(he)) {
PUSHs(newSVpvn_flags(HeKEY(he), HeKLEN(he), SVf_UTF8|SVs_TEMP));
} else {
PUSHs(newSVpvn_flags(HeKEY(he), HeKLEN(he), SVs_TEMP));
}
PUSHs(make_sv_object(aTHX_ HeVAL(he)));
}
}
#endif
MODULE = B__C PACKAGE = B::C
#if PERL_VERSION >= 10
SV*
get_linear_isa(classname)
SV* classname;
CODE:
{
HV *class_stash = gv_stashsv(classname, 0);
if (!class_stash) {
/* No stash exists yet, give them just the classname */
AV* isalin = newAV();
av_push(isalin, newSVsv(classname));
RETVAL = newRV(MUTABLE_SV(isalin));
}
else { /* just dfs */
RETVAL = newRV(MUTABLE_SV(Perl_mro_get_linear_isa(aTHX_ class_stash)));
}
}
OUTPUT:
RETVAL
#endif
BOOT:
#if PERL_VERSION >= 10
{
MY_CXT_INIT;
#endif
PL_runops = my_runops;
#if PERL_VERSION >= 10
{
dMY_CXT;
specialsv_list[0] = Nullsv;
specialsv_list[1] = &PL_sv_undef;
specialsv_list[2] = &PL_sv_yes;
specialsv_list[3] = &PL_sv_no;
specialsv_list[4] = (SV *) pWARN_ALL;
specialsv_list[5] = (SV *) pWARN_NONE;
specialsv_list[6] = (SV *) pWARN_STD;
}
}
#endif