[perl5.git] / lib / ExtUtils / typemap

# basic C types
int			T_IV
unsigned		T_UV
unsigned int		T_UV
long			T_IV
unsigned long		T_UV
short			T_IV
unsigned short		T_UV
char			T_CHAR
unsigned char		T_U_CHAR
char *			T_PV
unsigned char *		T_PV
const char *		T_PV
caddr_t			T_PV
wchar_t *		T_PV
wchar_t			T_IV
bool_t			T_IV
size_t			T_IV
ssize_t			T_IV
time_t			T_NV
unsigned long *		T_OPAQUEPTR
char **			T_PACKEDARRAY
void *			T_PTR
Time_t *		T_PV
SV *			T_SV
SVREF			T_SVREF
AV *			T_AVREF
HV *			T_HVREF
CV *			T_CVREF

IV			T_IV
UV			T_UV
NV                      T_NV
I32			T_IV
I16			T_IV
I8			T_IV
STRLEN			T_IV
U32			T_U_LONG
U16			T_U_SHORT
U8			T_UV
Result			T_U_CHAR
Boolean			T_BOOL
float                   T_FLOAT
double			T_DOUBLE
SysRet			T_SYSRET
SysRetLong		T_SYSRET
FILE *			T_STDIO
PerlIO *		T_INOUT
FileHandle		T_PTROBJ
InputStream		T_IN
InOutStream		T_INOUT
OutputStream		T_OUT
bool			T_BOOL

#############################################################################
INPUT
T_SV
	$var = $arg
T_SVREF
	if (SvROK($arg))
	    $var = (SV*)SvRV($arg);
	else
	    Perl_croak(aTHX_ \"$var is not a reference\")
T_AVREF
	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVAV)
	    $var = (AV*)SvRV($arg);
	else
	    Perl_croak(aTHX_ \"$var is not an array reference\")
T_HVREF
	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVHV)
	    $var = (HV*)SvRV($arg);
	else
	    Perl_croak(aTHX_ \"$var is not a hash reference\")
T_CVREF
	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVCV)
	    $var = (CV*)SvRV($arg);
	else
	    Perl_croak(aTHX_ \"$var is not a code reference\")
T_SYSRET
	$var NOT IMPLEMENTED
T_UV
	$var = ($type)SvUV($arg)
T_IV
	$var = ($type)SvIV($arg)
T_INT
	$var = (int)SvIV($arg)
T_ENUM
	$var = ($type)SvIV($arg)
T_BOOL
	$var = (bool)SvTRUE($arg)
T_U_INT
	$var = (unsigned int)SvUV($arg)
T_SHORT
	$var = (short)SvIV($arg)
T_U_SHORT
	$var = (unsigned short)SvUV($arg)
T_LONG
	$var = (long)SvIV($arg)
T_U_LONG
	$var = (unsigned long)SvUV($arg)
T_CHAR
	$var = (char)*SvPV_nolen($arg)
T_U_CHAR
	$var = (unsigned char)SvUV($arg)
T_FLOAT
	$var = (float)SvNV($arg)
T_NV
	$var = ($type)SvNV($arg)
T_DOUBLE
	$var = (double)SvNV($arg)
T_PV
	$var = ($type)SvPV_nolen($arg)
T_PTR
	$var = INT2PTR($type,SvIV($arg))
T_PTRREF
	if (SvROK($arg)) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type,tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not a reference\")
T_REF_IV_REF
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = *INT2PTR($type *, tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
T_REF_IV_PTR
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
T_PTROBJ
	if (sv_derived_from($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type,tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
T_PTRDESC
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    ${type}_desc = (\U${type}_DESC\E*) tmp;
	    $var = ${type}_desc->ptr;
	}
	else
	    Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
T_REFREF
	if (SvROK($arg)) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = *INT2PTR($type,tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not a reference\")
T_REFOBJ
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = *INT2PTR($type,tmp);
	}
	else
	    Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
T_OPAQUE
	$var = *($type *)SvPV_nolen($arg)
T_OPAQUEPTR
	$var = ($type)SvPV_nolen($arg)
T_PACKED
	$var = XS_unpack_$ntype($arg)
T_PACKEDARRAY
	$var = XS_unpack_$ntype($arg)
T_CALLBACK
	$var = make_perl_cb_$type($arg)
T_ARRAY
	U32 ix_$var = $argoff;
	$var = $ntype(items -= $argoff);
	while (items--) {
	    DO_ARRAY_ELEM;
	    ix_$var++;
	}
        /* this is the number of elements in the array */
        ix_$var -= $argoff
T_STDIO
	$var = PerlIO_findFILE(IoIFP(sv_2io($arg)))
T_IN
	$var = IoIFP(sv_2io($arg))
T_INOUT
	$var = IoIFP(sv_2io($arg))
T_OUT
	$var = IoOFP(sv_2io($arg))
#############################################################################
OUTPUT
T_SV
	$arg = $var;
T_SVREF
	$arg = newRV((SV*)$var);
T_AVREF
	$arg = newRV((SV*)$var);
T_HVREF
	$arg = newRV((SV*)$var);
T_CVREF
	$arg = newRV((SV*)$var);
T_IV
	sv_setiv($arg, (IV)$var);
T_UV
	sv_setuv($arg, (UV)$var);
T_INT
	sv_setiv($arg, (IV)$var);
T_SYSRET
	if ($var != -1) {
	    if ($var == 0)
		sv_setpvn($arg, "0 but true", 10);
	    else
		sv_setiv($arg, (IV)$var);
	}
T_ENUM
	sv_setiv($arg, (IV)$var);
T_BOOL
	$arg = boolSV($var);
T_U_INT
	sv_setuv($arg, (UV)$var);
T_SHORT
	sv_setiv($arg, (IV)$var);
T_U_SHORT
	sv_setuv($arg, (UV)$var);
T_LONG
	sv_setiv($arg, (IV)$var);
T_U_LONG
	sv_setuv($arg, (UV)$var);
T_CHAR
	sv_setpvn($arg, (char *)&$var, 1);
T_U_CHAR
	sv_setuv($arg, (UV)$var);
T_FLOAT
	sv_setnv($arg, (double)$var);
T_NV
	sv_setnv($arg, (NV)$var);
T_DOUBLE
	sv_setnv($arg, (double)$var);
T_PV
	sv_setpv((SV*)$arg, $var);
T_PTR
	sv_setiv($arg, PTR2IV($var));
T_PTRREF
	sv_setref_pv($arg, Nullch, (void*)$var);
T_REF_IV_REF
	sv_setref_pv($arg, \"${ntype}\", (void*)new $ntype($var));
T_REF_IV_PTR
	sv_setref_pv($arg, \"${ntype}\", (void*)$var);
T_PTROBJ
	sv_setref_pv($arg, \"${ntype}\", (void*)$var);
T_PTRDESC
	sv_setref_pv($arg, \"${ntype}\", (void*)new\U${type}_DESC\E($var));
T_REFREF
	NOT_IMPLEMENTED
T_REFOBJ
	NOT IMPLEMENTED
T_OPAQUE
	sv_setpvn($arg, (char *)&$var, sizeof($var));
T_OPAQUEPTR
	sv_setpvn($arg, (char *)$var, sizeof(*$var));
T_PACKED
	XS_pack_$ntype($arg, $var);
T_PACKEDARRAY
	XS_pack_$ntype($arg, $var, count_$ntype);
T_DATAUNIT	
	sv_setpvn($arg, $var.chp(), $var.size());
T_CALLBACK
	sv_setpvn($arg, $var.context.value().chp(),
		$var.context.value().size());
T_ARRAY
        {
	    U32 ix_$var;
	    EXTEND(SP,size_$var);
	    for (ix_$var = 0; ix_$var < size_$var; ix_$var++) {
		ST(ix_$var) = sv_newmortal();
	DO_ARRAY_ELEM
	    }
        }
T_STDIO
	{
	    GV *gv = newGVgen("$Package");
	    PerlIO *fp = PerlIO_importFILE($var,0);
	    if ( fp && do_open(gv, "+<&", 3, FALSE, 0, 0, fp) )
		sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
	    else
		$arg = &PL_sv_undef;
	}
T_IN
	{
	    GV *gv = newGVgen("$Package");
	    if ( do_open(gv, "<&", 2, FALSE, 0, 0, $var) )
		sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
	    else
		$arg = &PL_sv_undef;
	}
T_INOUT
	{
	    GV *gv = newGVgen("$Package");
	    if ( do_open(gv, "+<&", 3, FALSE, 0, 0, $var) )
		sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
	    else
		$arg = &PL_sv_undef;
	}
T_OUT
	{
	    GV *gv = newGVgen("$Package");
	    if ( do_open(gv, "+>&", 3, FALSE, 0, 0, $var) )
		sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
	    else
		$arg = &PL_sv_undef;
	}
Commit	Line	Data
93a17b20	1	# basic C types
85e6fe83	2	int T_IV
3aa35033 GS	3	unsigned T_UV
3aa35033 GS	4	unsigned int T_UV
a0d0e21e	5	long T_IV
3aa35033	6	unsigned long T_UV
85e6fe83	7	short T_IV
3aa35033	8	unsigned short T_UV
93a17b20	9	char T_CHAR
85e6fe83	10	unsigned char T_U_CHAR
a0d0e21e LW	11	char * T_PV
a0d0e21e LW	12	unsigned char * T_PV
f8c11764	13	const char * T_PV
a0d0e21e LW	14	caddr_t T_PV
	15	wchar_t * T_PV
	16	wchar_t T_IV
	17	bool_t T_IV
	18	size_t T_IV
	19	ssize_t T_IV
	20	time_t T_NV
93a17b20	21	unsigned long * T_OPAQUEPTR
5abff6f9	22	char ** T_PACKEDARRAY
93a17b20	23	void * T_PTR
a0d0e21e	24	Time_t * T_PV
2304df62	25	SV * T_SV
a0d0e21e LW	26	SVREF T_SVREF
	27	AV * T_AVREF
	28	HV * T_HVREF
	29	CV * T_CVREF
93a17b20	30
a0d0e21e	31	IV T_IV
0ca04487	32	UV T_UV
f8c11764	33	NV T_NV
85e6fe83 LW	34	I32 T_IV
	35	I16 T_IV
	36	I8 T_IV
4411f3b6	37	STRLEN T_IV
93a17b20 LW	38	U32 T_U_LONG
93a17b20 LW	39	U16 T_U_SHORT
3aa35033	40	U8 T_UV
93a17b20	41	Result T_U_CHAR
f8c11764 TJ	42	Boolean T_BOOL
f8c11764 TJ	43	float T_FLOAT
93a17b20	44	double T_DOUBLE
2304df62	45	SysRet T_SYSRET
a0d0e21e	46	SysRetLong T_SYSRET
f7e7eb72 NIS	47	FILE * T_STDIO
f7e7eb72 NIS	48	PerlIO * T_INOUT
a0d0e21e LW	49	FileHandle T_PTROBJ
	50	InputStream T_IN
	51	InOutStream T_INOUT
	52	OutputStream T_OUT
1cc23d7f	53	bool T_BOOL
93a17b20	54
8990e307 LW	55	#############################################################################
8990e307 LW	56	INPUT
2304df62	57	T_SV
a0d0e21e LW	58	$var = $arg
a0d0e21e LW	59	T_SVREF
f8c11764	60	if (SvROK($arg))
a0d0e21e	61	$var = (SV*)SvRV($arg);
2304df62	62	else
f8c11764	63	Perl_croak(aTHX_ \"$var is not a reference\")
a0d0e21e	64	T_AVREF
f8c11764	65	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVAV)
2304df62 AD	66	$var = (AV*)SvRV($arg);
2304df62 AD	67	else
f8c11764	68	Perl_croak(aTHX_ \"$var is not an array reference\")
a0d0e21e	69	T_HVREF
f8c11764	70	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVHV)
2304df62 AD	71	$var = (HV*)SvRV($arg);
2304df62 AD	72	else
f8c11764	73	Perl_croak(aTHX_ \"$var is not a hash reference\")
a0d0e21e	74	T_CVREF
f8c11764	75	if (SvROK($arg) && SvTYPE(SvRV($arg))==SVt_PVCV)
2304df62 AD	76	$var = (CV*)SvRV($arg);
2304df62 AD	77	else
f8c11764	78	Perl_croak(aTHX_ \"$var is not a code reference\")
2304df62 AD	79	T_SYSRET
2304df62 AD	80	$var NOT IMPLEMENTED
3aa35033 GS	81	T_UV
3aa35033 GS	82	$var = ($type)SvUV($arg)
85e6fe83 LW	83	T_IV
85e6fe83 LW	84	$var = ($type)SvIV($arg)
8990e307 LW	85	T_INT
	86	$var = (int)SvIV($arg)
	87	T_ENUM
	88	$var = ($type)SvIV($arg)
1cc23d7f	89	T_BOOL
f8c11764	90	$var = (bool)SvTRUE($arg)
8990e307	91	T_U_INT
3aa35033	92	$var = (unsigned int)SvUV($arg)
8990e307 LW	93	T_SHORT
	94	$var = (short)SvIV($arg)
	95	T_U_SHORT
3aa35033	96	$var = (unsigned short)SvUV($arg)
8990e307 LW	97	T_LONG
	98	$var = (long)SvIV($arg)
	99	T_U_LONG
3aa35033	100	$var = (unsigned long)SvUV($arg)
8990e307	101	T_CHAR
3521e4ee	102	$var = (char)*SvPV_nolen($arg)
8990e307	103	T_U_CHAR
3aa35033	104	$var = (unsigned char)SvUV($arg)
8990e307 LW	105	T_FLOAT
8990e307 LW	106	$var = (float)SvNV($arg)
85e6fe83 LW	107	T_NV
85e6fe83 LW	108	$var = ($type)SvNV($arg)
8990e307	109	T_DOUBLE
85e6fe83	110	$var = (double)SvNV($arg)
a0d0e21e	111	T_PV
3521e4ee	112	$var = ($type)SvPV_nolen($arg)
8990e307	113	T_PTR
56431972	114	$var = INT2PTR($type,SvIV($arg))
8990e307	115	T_PTRREF
85e6fe83	116	if (SvROK($arg)) {
a0d0e21e	117	IV tmp = SvIV((SV*)SvRV($arg));
56431972	118	$var = INT2PTR($type,tmp);
85e6fe83	119	}
8990e307	120	else
32b48a68	121	Perl_croak(aTHX_ \"$var is not a reference\")
a0d0e21e	122	T_REF_IV_REF
5abff6f9	123	if (sv_isa($arg, \"${ntype}\")) {
a0d0e21e	124	IV tmp = SvIV((SV*)SvRV($arg));
c725d115	125	$var = INT2PTR($type , tmp);
a0d0e21e LW	126	}
a0d0e21e LW	127	else
32b48a68	128	Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
a0d0e21e	129	T_REF_IV_PTR
f8c11764	130	if (sv_isa($arg, \"${ntype}\")) {
a0d0e21e	131	IV tmp = SvIV((SV*)SvRV($arg));
c725d115	132	$var = INT2PTR($type, tmp);
a0d0e21e LW	133	}
a0d0e21e LW	134	else
32b48a68	135	Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
8990e307	136	T_PTROBJ
55497cff	137	if (sv_derived_from($arg, \"${ntype}\")) {
a0d0e21e	138	IV tmp = SvIV((SV*)SvRV($arg));
56431972	139	$var = INT2PTR($type,tmp);
85e6fe83	140	}
8990e307	141	else
32b48a68	142	Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
8990e307 LW	143	T_PTRDESC
8990e307 LW	144	if (sv_isa($arg, \"${ntype}\")) {
a0d0e21e	145	IV tmp = SvIV((SV*)SvRV($arg));
f7e7eb72	146	${type}_desc = (\U${type}_DESC\E*) tmp;
8990e307 LW	147	$var = ${type}_desc->ptr;
	148	}
	149	else
32b48a68	150	Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
8990e307	151	T_REFREF
85e6fe83	152	if (SvROK($arg)) {
a0d0e21e	153	IV tmp = SvIV((SV*)SvRV($arg));
56431972	154	$var = *INT2PTR($type,tmp);
85e6fe83	155	}
8990e307	156	else
32b48a68	157	Perl_croak(aTHX_ \"$var is not a reference\")
8990e307	158	T_REFOBJ
85e6fe83	159	if (sv_isa($arg, \"${ntype}\")) {
a0d0e21e	160	IV tmp = SvIV((SV*)SvRV($arg));
56431972	161	$var = *INT2PTR($type,tmp);
85e6fe83	162	}
8990e307	163	else
32b48a68	164	Perl_croak(aTHX_ \"$var is not of type ${ntype}\")
8990e307	165	T_OPAQUE
3521e4ee	166	$var = ($type )SvPV_nolen($arg)
8990e307	167	T_OPAQUEPTR
3521e4ee	168	$var = ($type)SvPV_nolen($arg)
8990e307 LW	169	T_PACKED
	170	$var = XS_unpack_$ntype($arg)
	171	T_PACKEDARRAY
	172	$var = XS_unpack_$ntype($arg)
	173	T_CALLBACK
	174	$var = make_perl_cb_$type($arg)
	175	T_ARRAY
8990e307	176	U32 ix_$var = $argoff;
f8c11764	177	$var = $ntype(items -= $argoff);
8990e307 LW	178	while (items--) {
8990e307 LW	179	DO_ARRAY_ELEM;
f8c11764	180	ix_$var++;
8990e307	181	}
f8c11764 TJ	182	/* this is the number of elements in the array */
f8c11764 TJ	183	ix_$var -= $argoff
f7e7eb72 NIS	184	T_STDIO
f7e7eb72 NIS	185	$var = PerlIO_findFILE(IoIFP(sv_2io($arg)))
a0d0e21e LW	186	T_IN
	187	$var = IoIFP(sv_2io($arg))
	188	T_INOUT
	189	$var = IoIFP(sv_2io($arg))
	190	T_OUT
	191	$var = IoOFP(sv_2io($arg))
8990e307 LW	192	#############################################################################
8990e307 LW	193	OUTPUT
2304df62 AD	194	T_SV
2304df62 AD	195	$arg = $var;
a0d0e21e	196	T_SVREF
2304df62	197	$arg = newRV((SV*)$var);
a0d0e21e	198	T_AVREF
2304df62	199	$arg = newRV((SV*)$var);
a0d0e21e	200	T_HVREF
2304df62	201	$arg = newRV((SV*)$var);
a0d0e21e	202	T_CVREF
2304df62	203	$arg = newRV((SV*)$var);
85e6fe83	204	T_IV
ef50df4b	205	sv_setiv($arg, (IV)$var);
3aa35033 GS	206	T_UV
3aa35033 GS	207	sv_setuv($arg, (UV)$var);
8990e307	208	T_INT
ef50df4b	209	sv_setiv($arg, (IV)$var);
2304df62 AD	210	T_SYSRET
	211	if ($var != -1) {
	212	if ($var == 0)
ef50df4b	213	sv_setpvn($arg, "0 but true", 10);
2304df62	214	else
ef50df4b	215	sv_setiv($arg, (IV)$var);
2304df62	216	}
8990e307	217	T_ENUM
ef50df4b	218	sv_setiv($arg, (IV)$var);
1cc23d7f	219	T_BOOL
54310121	220	$arg = boolSV($var);
8990e307	221	T_U_INT
3aa35033	222	sv_setuv($arg, (UV)$var);
8990e307	223	T_SHORT
ef50df4b	224	sv_setiv($arg, (IV)$var);
8990e307	225	T_U_SHORT
3aa35033	226	sv_setuv($arg, (UV)$var);
8990e307	227	T_LONG
ef50df4b	228	sv_setiv($arg, (IV)$var);
8990e307	229	T_U_LONG
3aa35033	230	sv_setuv($arg, (UV)$var);
8990e307	231	T_CHAR
ef50df4b	232	sv_setpvn($arg, (char *)&$var, 1);
8990e307	233	T_U_CHAR
3aa35033	234	sv_setuv($arg, (UV)$var);
8990e307	235	T_FLOAT
ef50df4b	236	sv_setnv($arg, (double)$var);
85e6fe83	237	T_NV
59f3815a	238	sv_setnv($arg, (NV)$var);
8990e307	239	T_DOUBLE
ef50df4b	240	sv_setnv($arg, (double)$var);
a0d0e21e	241	T_PV
ef50df4b	242	sv_setpv((SV*)$arg, $var);
8990e307	243	T_PTR
46e87256	244	sv_setiv($arg, PTR2IV($var));
8990e307	245	T_PTRREF
a0d0e21e LW	246	sv_setref_pv($arg, Nullch, (void*)$var);
	247	T_REF_IV_REF
	248	sv_setref_pv($arg, \"${ntype}\", (void*)new $ntype($var));
	249	T_REF_IV_PTR
	250	sv_setref_pv($arg, \"${ntype}\", (void*)$var);
8990e307	251	T_PTROBJ
a0d0e21e	252	sv_setref_pv($arg, \"${ntype}\", (void*)$var);
8990e307	253	T_PTRDESC
a0d0e21e	254	sv_setref_pv($arg, \"${ntype}\", (void*)new\U${type}_DESC\E($var));
8990e307	255	T_REFREF
f8c11764	256	NOT_IMPLEMENTED
8990e307 LW	257	T_REFOBJ
	258	NOT IMPLEMENTED
	259	T_OPAQUE
ef50df4b	260	sv_setpvn($arg, (char *)&$var, sizeof($var));
8990e307	261	T_OPAQUEPTR
4bd3d083	262	sv_setpvn($arg, (char )$var, sizeof($var));
8990e307 LW	263	T_PACKED
	264	XS_pack_$ntype($arg, $var);
	265	T_PACKEDARRAY
	266	XS_pack_$ntype($arg, $var, count_$ntype);
	267	T_DATAUNIT
ef50df4b	268	sv_setpvn($arg, $var.chp(), $var.size());
8990e307	269	T_CALLBACK
ef50df4b	270	sv_setpvn($arg, $var.context.value().chp(),
8990e307 LW	271	$var.context.value().size());
8990e307 LW	272	T_ARRAY
f8c11764 TJ	273	{
	274	U32 ix_$var;
	275	EXTEND(SP,size_$var);
	276	for (ix_$var = 0; ix_$var < size_$var; ix_$var++) {
8990e307 LW	277	ST(ix_$var) = sv_newmortal();
8990e307 LW	278	DO_ARRAY_ELEM
f8c11764 TJ	279	}
f8c11764 TJ	280	}
f7e7eb72 NIS	281	T_STDIO
	282	{
	283	GV *gv = newGVgen("$Package");
	284	PerlIO *fp = PerlIO_importFILE($var,0);
	285	if ( fp && do_open(gv, "+<&", 3, FALSE, 0, 0, fp) )
	286	sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
	287	else
	288	$arg = &PL_sv_undef;
	289	}
a0d0e21e LW	290	T_IN
	291	{
	292	GV *gv = newGVgen("$Package");
c07a80fd	293	if ( do_open(gv, "<&", 2, FALSE, 0, 0, $var) )
ef50df4b	294	sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
a0d0e21e	295	else
6b88bc9c	296	$arg = &PL_sv_undef;
a0d0e21e LW	297	}
	298	T_INOUT
	299	{
	300	GV *gv = newGVgen("$Package");
c07a80fd	301	if ( do_open(gv, "+<&", 3, FALSE, 0, 0, $var) )
ef50df4b	302	sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
a0d0e21e	303	else
6b88bc9c	304	$arg = &PL_sv_undef;
a0d0e21e LW	305	}
	306	T_OUT
	307	{
	308	GV *gv = newGVgen("$Package");
c07a80fd	309	if ( do_open(gv, "+>&", 3, FALSE, 0, 0, $var) )
ef50df4b	310	sv_setsv($arg, sv_bless(newRV((SV*)gv), gv_stashpv("$Package",1)));
a0d0e21e	311	else
6b88bc9c	312	$arg = &PL_sv_undef;
a0d0e21e	313	}