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/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */
/* transfer and may_be_null can be gotten from arg_info, but sv_to_arg is also
* called from places which don't have access to a GIArgInfo. */
static void
sv_to_arg (SV * sv,
GIArgument * arg,
GIArgInfo * arg_info,
GITypeInfo * type_info,
GITransfer transfer,
gboolean may_be_null,
GPerlI11nInvocationInfo * invocation_info)
{
GITypeTag tag = g_type_info_get_tag (type_info);
if (!gperl_sv_is_defined (sv))
/* Interfaces and void types need to be able to handle undef
* separately. */
if (!may_be_null && tag != GI_TYPE_TAG_INTERFACE
&& tag != GI_TYPE_TAG_VOID) {
if (arg_info) {
ccroak ("undefined value for mandatory argument '%s' encountered",
g_base_info_get_name ((GIBaseInfo *) arg_info));
} else {
ccroak ("undefined value encountered");
}
}
switch (tag) {
case GI_TYPE_TAG_VOID:
/* returns NULL if no match is found */
arg->v_pointer = sv_to_callback_data (sv, invocation_info);
break;
case GI_TYPE_TAG_BOOLEAN:
arg->v_boolean = SvTRUE (sv);
break;
case GI_TYPE_TAG_INT8:
arg->v_int8 = (gint8) SvIV (sv);
break;
case GI_TYPE_TAG_UINT8:
arg->v_uint8 = (guint8) SvUV (sv);
break;
case GI_TYPE_TAG_INT16:
arg->v_int16 = (gint16) SvIV (sv);
break;
case GI_TYPE_TAG_UINT16:
arg->v_uint16 = (guint16) SvUV (sv);
break;
case GI_TYPE_TAG_INT32:
arg->v_int32 = (gint32) SvIV (sv);
break;
case GI_TYPE_TAG_UINT32:
arg->v_uint32 = (guint32) SvUV (sv);
break;
case GI_TYPE_TAG_INT64:
arg->v_int64 = SvGInt64 (sv);
break;
case GI_TYPE_TAG_UINT64:
arg->v_uint64 = SvGUInt64 (sv);
break;
case GI_TYPE_TAG_FLOAT:
arg->v_float = (gfloat) SvNV (sv);
break;
case GI_TYPE_TAG_DOUBLE:
arg->v_double = SvNV (sv);
break;
case GI_TYPE_TAG_UNICHAR:
arg->v_uint32 = g_utf8_get_char (SvGChar (sv));
break;
case GI_TYPE_TAG_GTYPE:
/* GType == gsize */
arg->v_size = gperl_type_from_package (SvPV_nolen (sv));
if (!arg->v_size)
arg->v_size = g_type_from_name (SvPV_nolen (sv));
break;
case GI_TYPE_TAG_ARRAY:
arg->v_pointer = sv_to_array (transfer, type_info, sv, invocation_info);
break;
case GI_TYPE_TAG_INTERFACE:
dwarn (" type %p -> interface\n", type_info);
sv_to_interface (arg_info, type_info, transfer, may_be_null,
sv, arg, invocation_info);
break;
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
arg->v_pointer = sv_to_glist (transfer, type_info, sv);
break;
case GI_TYPE_TAG_GHASH:
arg->v_pointer = sv_to_ghash (transfer, type_info, sv);
break;
case GI_TYPE_TAG_ERROR:
ccroak ("FIXME - A GError as an in/inout arg? Should never happen!");
break;
case GI_TYPE_TAG_UTF8:
arg->v_string = gperl_sv_is_defined (sv) ? SvGChar (sv) : NULL;
if (transfer >= GI_TRANSFER_CONTAINER)
arg->v_string = g_strdup (arg->v_string);
break;
case GI_TYPE_TAG_FILENAME:
/* FIXME: Should we use SvPVbyte_nolen here? */
arg->v_string = gperl_sv_is_defined (sv) ? SvPV_nolen (sv) : NULL;
if (transfer >= GI_TRANSFER_CONTAINER)
arg->v_string = g_strdup (arg->v_string);
break;
default:
ccroak ("Unhandled info tag %d in sv_to_arg", tag);
}
}
/* This may call Perl code (via interface_to_sv), so it needs to be wrapped
* with PUTBACK/SPAGAIN by the caller. */
static SV *
arg_to_sv (GIArgument * arg,
GITypeInfo * info,
GITransfer transfer,
GPerlI11nInvocationInfo *iinfo)
{
GITypeTag tag = g_type_info_get_tag (info);
gboolean own = transfer >= GI_TRANSFER_CONTAINER;
dwarn (" arg_to_sv: info %p with type tag %d (%s)\n",
info, tag, g_type_tag_to_string (tag));
switch (tag) {
case GI_TYPE_TAG_VOID:
{
SV *sv = callback_data_to_sv (arg->v_pointer, iinfo);
dwarn (" argument with no type information -> %s\n",
sv ? "callback data" : "undef");
return sv ? SvREFCNT_inc (sv) : &PL_sv_undef;
}
case GI_TYPE_TAG_BOOLEAN:
return boolSV (arg->v_boolean);
case GI_TYPE_TAG_INT8:
return newSViv (arg->v_int8);
case GI_TYPE_TAG_UINT8:
return newSVuv (arg->v_uint8);
case GI_TYPE_TAG_INT16:
return newSViv (arg->v_int16);
case GI_TYPE_TAG_UINT16:
return newSVuv (arg->v_uint16);
case GI_TYPE_TAG_INT32:
return newSViv (arg->v_int32);
case GI_TYPE_TAG_UINT32:
return newSVuv (arg->v_uint32);
case GI_TYPE_TAG_INT64:
return newSVGInt64 (arg->v_int64);
case GI_TYPE_TAG_UINT64:
return newSVGUInt64 (arg->v_uint64);
case GI_TYPE_TAG_FLOAT:
return newSVnv (arg->v_float);
case GI_TYPE_TAG_DOUBLE:
return newSVnv (arg->v_double);
case GI_TYPE_TAG_UNICHAR:
{
SV *sv;
gchar buffer[6];
gint length = g_unichar_to_utf8 (arg->v_uint32, buffer);
sv = newSVpv (buffer, length);
SvUTF8_on (sv);
return sv;
}
case GI_TYPE_TAG_GTYPE: {
/* GType == gsize */
const char *package = gperl_package_from_type (arg->v_size);
if (!package)
package = g_type_name (arg->v_size);
if (!package)
return &PL_sv_undef;
return newSVpv (package, PL_na);
}
case GI_TYPE_TAG_ARRAY:
return array_to_sv (info, arg->v_pointer, transfer, iinfo);
case GI_TYPE_TAG_INTERFACE:
return interface_to_sv (info, arg, own, iinfo);
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
return glist_to_sv (info, arg->v_pointer, transfer);
case GI_TYPE_TAG_GHASH:
return ghash_to_sv (info, arg->v_pointer, transfer);
case GI_TYPE_TAG_ERROR:
ccroak ("FIXME - GI_TYPE_TAG_ERROR");
break;
case GI_TYPE_TAG_UTF8:
{
SV *sv = newSVGChar (arg->v_string);
if (own)
g_free (arg->v_string);
return sv;
}
case GI_TYPE_TAG_FILENAME:
{
SV *sv = newSVpv (arg->v_string, PL_na);
if (own)
g_free (arg->v_string);
return sv;
}
default:
ccroak ("Unhandled info tag %d in arg_to_sv", tag);
}
return NULL;
}
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