static gpointer
sv_to_callback (GIArgInfo * arg_info,
GITypeInfo * type_info,
SV * sv,
GPerlI11nInvocationInfo * invocation_info)
{
GIBaseInfo *callback_interface_info;
GPerlI11nPerlCallbackInfo *callback_info;
GIScopeType scope;
/* the destroy notify func is handled by _handle_automatic_arg */
dwarn (" Perl callback at %d (%s)\n",
invocation_info->current_pos,
g_base_info_get_name (arg_info));
callback_interface_info = g_type_info_get_interface (type_info);
callback_info = create_perl_callback_closure (callback_interface_info, sv);
callback_info->data_pos = g_arg_info_get_closure (arg_info);
callback_info->destroy_pos = g_arg_info_get_destroy (arg_info);
callback_info->free_after_use = FALSE;
g_base_info_unref (callback_interface_info);
dwarn (" Perl callback data at %d, destroy at %d\n",
callback_info->data_pos, callback_info->destroy_pos);
scope = (!gperl_sv_is_defined (sv))
? GI_SCOPE_TYPE_CALL
: g_arg_info_get_scope (arg_info);
switch (scope) {
case GI_SCOPE_TYPE_CALL:
dwarn (" Perl callback has scope 'call'\n");
free_after_call (invocation_info,
(GFunc) release_perl_callback, callback_info);
break;
case GI_SCOPE_TYPE_NOTIFIED:
dwarn (" Perl callback has scope 'notified'\n");
/* This case is already taken care of by the notify
* stuff above */
break;
case GI_SCOPE_TYPE_ASYNC:
dwarn (" Perl callback has scope 'async'\n");
/* FIXME: callback_info->free_after_use = TRUE; */
break;
default:
ccroak ("unhandled scope type %d encountered",
g_arg_info_get_scope (arg_info));
}
invocation_info->callback_infos =
g_slist_prepend (invocation_info->callback_infos,
callback_info);
dwarn (" returning Perl closure %p from info %p\n",
callback_info->closure, callback_info);
return callback_info->closure;
}
/* 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);
}
}
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);
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;
}
static void
arg_to_raw (GIArgument *arg, gpointer raw, GITypeInfo *info)
{
GITypeTag tag = g_type_info_get_tag (info);
switch (tag) {
case GI_TYPE_TAG_VOID:
/* do nothing */
break;
case GI_TYPE_TAG_BOOLEAN:
* (gboolean *) raw = arg->v_boolean;
break;
case GI_TYPE_TAG_INT8:
* (gint8 *) raw = arg->v_int8;
break;
case GI_TYPE_TAG_UINT8:
* (guint8 *) raw = arg->v_uint8;
break;
case GI_TYPE_TAG_INT16:
* (gint16 *) raw = arg->v_int16;
break;
case GI_TYPE_TAG_UINT16:
* (guint16 *) raw = arg->v_uint16;
break;
case GI_TYPE_TAG_INT32:
* (gint32 *) raw = arg->v_int32;
break;
case GI_TYPE_TAG_UINT32:
case GI_TYPE_TAG_UNICHAR:
* (guint32 *) raw = arg->v_uint32;
break;
case GI_TYPE_TAG_INT64:
* (gint64 *) raw = arg->v_int64;
break;
case GI_TYPE_TAG_UINT64:
* (guint64 *) raw = arg->v_uint64;
break;
case GI_TYPE_TAG_FLOAT:
* (gfloat *) raw = arg->v_float;
break;
case GI_TYPE_TAG_DOUBLE:
* (gdouble *) raw = arg->v_double;
break;
case GI_TYPE_TAG_GTYPE:
* (GType *) raw = arg->v_size;
break;
case GI_TYPE_TAG_ARRAY:
case GI_TYPE_TAG_INTERFACE:
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
case GI_TYPE_TAG_GHASH:
case GI_TYPE_TAG_ERROR:
* (gpointer *) raw = arg->v_pointer;
break;
case GI_TYPE_TAG_UTF8:
case GI_TYPE_TAG_FILENAME:
* (gchar **) raw = arg->v_string;
break;
default:
ccroak ("Unhandled info tag %d in arg_to_raw", tag);
}
}
static void
raw_to_arg (gpointer raw, GIArgument *arg, GITypeInfo *info)
{
GITypeTag tag = g_type_info_get_tag (info);
switch (tag) {
case GI_TYPE_TAG_VOID:
if (g_type_info_is_pointer (info)) {
arg->v_pointer = CAST_RAW (raw, gpointer);
} else {
/* do nothing */
}
break;
case GI_TYPE_TAG_BOOLEAN:
arg->v_boolean = CAST_RAW (raw, gboolean);
break;
case GI_TYPE_TAG_INT8:
arg->v_int8 = CAST_RAW (raw, gint8);
break;
case GI_TYPE_TAG_UINT8:
arg->v_uint8 = CAST_RAW (raw, guint8);
break;
case GI_TYPE_TAG_INT16:
arg->v_int16 = CAST_RAW (raw, gint16);
break;
case GI_TYPE_TAG_UINT16:
arg->v_uint16 = CAST_RAW (raw, guint16);
break;
case GI_TYPE_TAG_INT32:
arg->v_int32 = CAST_RAW (raw, gint32);
break;
case GI_TYPE_TAG_UINT32:
case GI_TYPE_TAG_UNICHAR:
arg->v_uint32 = CAST_RAW (raw, guint32);
break;
case GI_TYPE_TAG_INT64:
arg->v_int64 = CAST_RAW (raw, gint64);
break;
case GI_TYPE_TAG_UINT64:
arg->v_uint64 = CAST_RAW (raw, guint64);
break;
case GI_TYPE_TAG_FLOAT:
arg->v_float = CAST_RAW (raw, gfloat);
break;
case GI_TYPE_TAG_DOUBLE:
arg->v_double = CAST_RAW (raw, gdouble);
break;
case GI_TYPE_TAG_GTYPE:
arg->v_size = CAST_RAW (raw, GType);
break;
case GI_TYPE_TAG_ARRAY:
case GI_TYPE_TAG_INTERFACE:
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
case GI_TYPE_TAG_GHASH:
case GI_TYPE_TAG_ERROR:
arg->v_pointer = CAST_RAW (raw, gpointer);
break;
case GI_TYPE_TAG_UTF8:
case GI_TYPE_TAG_FILENAME:
arg->v_string = CAST_RAW (raw, gchar*);
break;
default:
ccroak ("Unhandled info tag %d in raw_to_arg", tag);
}
}
static void
invoke_callback (ffi_cif* cif, gpointer resp, gpointer* args, gpointer userdata)
{
GPerlI11nPerlCallbackInfo *info;
GICallableInfo *cb_interface;
GPerlI11nInvocationInfo iinfo = {0,};
guint i;
guint in_inout;
guint n_return_values, n_returned;
I32 context;
dGPERL_CALLBACK_MARSHAL_SP;
PERL_UNUSED_VAR (cif);
/* unwrap callback info struct from userdata */
info = (GPerlI11nPerlCallbackInfo *) userdata;
cb_interface = (GICallableInfo *) info->interface;
prepare_perl_invocation_info (&iinfo, cb_interface);
/* set perl context */
GPERL_CALLBACK_MARSHAL_INIT (info);
ENTER;
SAVETMPS;
PUSHMARK (SP);
/* find arguments; use type information from interface to find in and
* in-out args and their types, count in-out and out args, and find
* suitable converters; push in and in-out arguments onto the perl
* stack */
in_inout = 0;
for (i = 0; i < iinfo.n_args; i++) {
GIArgInfo *arg_info = g_callable_info_get_arg (cb_interface, i);
GITypeInfo *arg_type = g_arg_info_get_type (arg_info);
GITransfer transfer = g_arg_info_get_ownership_transfer (arg_info);
GIDirection direction = g_arg_info_get_direction (arg_info);
iinfo.current_pos = i;
/* the closure argument, which we handle separately, is marked
* by having get_closure == i */
if (g_arg_info_get_closure (arg_info) == (gint) i) {
g_base_info_unref ((GIBaseInfo *) arg_info);
g_base_info_unref ((GIBaseInfo *) arg_type);
continue;
}
dwarn ("arg info: %s (%p)\n"
" direction: %d\n"
" is return value: %d\n"
" is optional: %d\n"
" may be null: %d\n"
" transfer: %d\n",
g_base_info_get_name (arg_info), arg_info,
g_arg_info_get_direction (arg_info),
g_arg_info_is_return_value (arg_info),
g_arg_info_is_optional (arg_info),
g_arg_info_may_be_null (arg_info),
g_arg_info_get_ownership_transfer (arg_info));
dwarn ("arg type: %p\n"
" is pointer: %d\n"
" tag: %s (%d)\n",
arg_type,
g_type_info_is_pointer (arg_type),
g_type_tag_to_string (g_type_info_get_tag (arg_type)), g_type_info_get_tag (arg_type));
if (direction == GI_DIRECTION_IN ||
direction == GI_DIRECTION_INOUT)
{
GIArgument arg;
SV *sv;
raw_to_arg (args[i], &arg, arg_type);
sv = arg_to_sv (&arg, arg_type, transfer, &iinfo);
/* If arg_to_sv returns NULL, we take that as 'skip
* this argument'; happens for GDestroyNotify, for
* example. */
if (sv)
XPUSHs (sv_2mortal (sv));
}
if (direction == GI_DIRECTION_INOUT ||
direction == GI_DIRECTION_OUT)
{
in_inout++;
}
g_base_info_unref ((GIBaseInfo *) arg_info);
g_base_info_unref ((GIBaseInfo *) arg_type);
}
/* push user data onto the Perl stack */
if (info->data)
XPUSHs (sv_2mortal (SvREFCNT_inc (info->data)));
PUTBACK;
/* determine suitable Perl call context */
context = G_VOID | G_DISCARD;
if (iinfo.has_return_value) {
context = in_inout > 0
? G_ARRAY
: G_SCALAR;
} else {
if (in_inout == 1) {
context = G_SCALAR;
} else if (in_inout > 1) {
context = G_ARRAY;
}
}
/* do the call, demand #in-out+#out+#return-value return values */
n_return_values = iinfo.has_return_value
? in_inout + 1
: in_inout;
n_returned = info->sub_name
? call_method (info->sub_name, context)
: call_sv (info->code, context);
if (n_return_values != 0 && n_returned != n_return_values) {
ccroak ("callback returned %d values "
"but is supposed to return %d values",
n_returned, n_return_values);
}
/* call-scoped callback infos are freed by
* Glib::Object::Introspection::_FuncWrapper::DESTROY */
SPAGAIN;
/* convert in-out and out values and stuff them back into args */
if (in_inout > 0) {
SV **returned_values;
int out_index;
returned_values = g_new0 (SV *, in_inout);
/* pop scalars off the stack and put them into the array;
* reverse the order since POPs pops items off of the end of
* the stack. */
for (i = 0; i < in_inout; i++) {
returned_values[in_inout - i - 1] = POPs;
}
out_index = 0;
for (i = 0; i < iinfo.n_args; i++) {
GIArgInfo *arg_info = g_callable_info_get_arg (cb_interface, i);
GITypeInfo *arg_type = g_arg_info_get_type (arg_info);
GIDirection direction = g_arg_info_get_direction (arg_info);
gpointer out_pointer = * (gpointer *) args[i];
if (!out_pointer) {
dwarn ("skipping out arg %d\n", i);
g_base_info_unref (arg_info);
g_base_info_unref (arg_type);
continue;
}
if (direction == GI_DIRECTION_INOUT ||
direction == GI_DIRECTION_OUT)
{
GIArgument tmp_arg;
GITransfer transfer = g_arg_info_get_ownership_transfer (arg_info);
gboolean may_be_null = g_arg_info_may_be_null (arg_info);
gboolean is_caller_allocated = g_arg_info_is_caller_allocates (arg_info);
if (is_caller_allocated) {
tmp_arg.v_pointer = out_pointer;
}
sv_to_arg (returned_values[out_index], &tmp_arg,
arg_info, arg_type,
transfer, may_be_null, &iinfo);
if (!is_caller_allocated) {
arg_to_raw (&tmp_arg, out_pointer, arg_type);
}
out_index++;
}
g_base_info_unref (arg_info);
g_base_info_unref (arg_type);
}
g_free (returned_values);
}
static gpointer
sv_to_ghash (GITransfer transfer,
GITypeInfo *type_info,
SV *sv)
{
HV *hv;
HE *he;
GITransfer item_transfer;
gpointer hash;
GITypeInfo *key_param_info, *value_param_info;
GITypeTag key_type_tag;
GHashFunc hash_func;
GEqualFunc equal_func;
I32 n_keys;
dwarn ("%s: sv %p\n", G_STRFUNC, sv);
if (!gperl_sv_is_defined (sv))
return NULL;
if (!gperl_sv_is_hash_ref (sv))
ccroak ("need an hash ref to convert to GHashTable");
hv = (HV *) SvRV (sv);
item_transfer = GI_TRANSFER_NOTHING;
switch (transfer) {
case GI_TRANSFER_EVERYTHING:
item_transfer = GI_TRANSFER_EVERYTHING;
break;
case GI_TRANSFER_CONTAINER:
/* nothing special to do */
break;
case GI_TRANSFER_NOTHING:
/* FIXME: need to free hash after call */
break;
}
key_param_info = g_type_info_get_param_type (type_info, 0);
value_param_info = g_type_info_get_param_type (type_info, 1);
key_type_tag = g_type_info_get_tag (key_param_info);
switch (key_type_tag)
{
case GI_TYPE_TAG_FILENAME:
case GI_TYPE_TAG_UTF8:
hash_func = g_str_hash;
equal_func = g_str_equal;
break;
default:
hash_func = NULL;
equal_func = NULL;
break;
}
dwarn (" GHashTable with transfer %d\n"
" key_param_info %p with type tag %d (%s)\n"
" value_param_info %p with type tag %d (%s)\n",
transfer,
key_param_info,
g_type_info_get_tag (key_param_info),
g_type_tag_to_string (g_type_info_get_tag (key_param_info)),
value_param_info,
g_type_info_get_tag (value_param_info),
g_type_tag_to_string (g_type_info_get_tag (value_param_info)));
hash = g_hash_table_new (hash_func, equal_func);
n_keys = hv_iterinit (hv);
if (n_keys == 0)
goto out;
while ((he = hv_iternext (hv)) != NULL) {
SV *sv;
GIArgument arg = { 0, };
gpointer key_p, value_p;
key_p = value_p = NULL;
sv = hv_iterkeysv (he);
if (sv && gperl_sv_is_defined (sv)) {
dwarn (" converting key SV %p\n", sv);
/* FIXME: Is it OK to always allow undef here? */
sv_to_arg (sv, &arg, NULL, key_param_info,
item_transfer, TRUE, NULL);
key_p = arg.v_pointer;
}
sv = hv_iterval (hv, he);
if (sv && gperl_sv_is_defined (sv)) {
dwarn (" converting value SV %p\n", sv);
sv_to_arg (sv, &arg, NULL, key_param_info,
item_transfer, TRUE, NULL);
value_p = arg.v_pointer;
}
if (key_p != NULL && value_p != NULL)
g_hash_table_insert (hash, key_p, value_p);
}
out:
dwarn (" -> hash %p of size %d\n", hash, g_hash_table_size (hash));
g_base_info_unref ((GIBaseInfo *) key_param_info);
g_base_info_unref ((GIBaseInfo *) value_param_info);
return hash;
}
static gpointer
sv_to_struct (GITransfer transfer,
GIBaseInfo * info,
GIInfoType info_type,
SV * sv)
{
HV *hv;
gsize size = 0;
GITransfer field_transfer;
gpointer pointer = NULL;
dwarn ("sv = %p\n", sv);
if (!gperl_sv_is_defined (sv))
return NULL;
if (is_struct_disguised (info)) {
gchar *package;
dwarn (" disguised struct\n");
package = get_struct_package (info);
g_assert (package);
if (!gperl_sv_is_ref (sv) || !sv_derived_from (sv, package))
ccroak ("Cannot convert scalar %p to an object of type %s",
sv, package);
g_free (package);
return INT2PTR (void *, SvIV ((SV *) SvRV (sv)));
}
if (!gperl_sv_is_hash_ref (sv))
ccroak ("need a hash ref to convert to struct of type %s",
g_base_info_get_name (info));
hv = (HV *) SvRV (sv);
switch (info_type) {
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
size = g_struct_info_get_size ((GIStructInfo *) info);
break;
case GI_INFO_TYPE_UNION:
size = g_union_info_get_size ((GIStructInfo *) info);
break;
default:
g_assert_not_reached ();
}
dwarn (" size = %"G_GSIZE_FORMAT"\n", size);
field_transfer = GI_TRANSFER_NOTHING;
dwarn (" transfer = %d\n", transfer);
switch (transfer) {
case GI_TRANSFER_EVERYTHING:
field_transfer = GI_TRANSFER_EVERYTHING;
/* fall through */
case GI_TRANSFER_CONTAINER:
/* FIXME: What if there's a special allocator for the record?
* Like GSlice? */
pointer = g_malloc0 (size);
break;
default:
pointer = gperl_alloc_temp (size);
break;
}
switch (info_type) {
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
{
gint i, n_fields =
g_struct_info_get_n_fields ((GIStructInfo *) info);
for (i = 0; i < n_fields; i++) {
GIFieldInfo *field_info;
const gchar *field_name;
SV **svp;
field_info = g_struct_info_get_field (
(GIStructInfo *) info, i);
/* FIXME: Check GIFieldInfoFlags. */
field_name = g_base_info_get_name (
(GIBaseInfo *) field_info);
dwarn (" field %d (%s)\n", i, field_name);
svp = hv_fetch (hv, field_name, strlen (field_name), 0);
if (svp && gperl_sv_is_defined (*svp)) {
set_field (field_info, pointer,
field_transfer, *svp);
}
g_base_info_unref ((GIBaseInfo *) field_info);
}
break;
}
case GI_INFO_TYPE_UNION:
ccroak ("%s: unions not handled yet", G_STRFUNC);
default:
ccroak ("%s: unhandled info type %d", G_STRFUNC, info_type);
}
return pointer;
}
/* This may call Perl code (via get_field), so it needs to be wrapped with
* PUTBACK/SPAGAIN by the caller. */
static SV *
struct_to_sv (GIBaseInfo* info,
GIInfoType info_type,
gpointer pointer,
gboolean own)
{
HV *hv;
dwarn ("pointer = %p\n", pointer);
if (pointer == NULL) {
return &PL_sv_undef;
}
if (is_struct_disguised (info)) {
SV *sv;
gchar *package;
dwarn (" disguised struct\n");
g_assert (!own);
package = get_struct_package (info);
g_assert (package);
sv = newSV (0);
sv_setref_pv (sv, package, pointer);
g_free (package);
return sv;
}
hv = newHV ();
switch (info_type) {
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
{
gint i, n_fields =
g_struct_info_get_n_fields ((GIStructInfo *) info);
for (i = 0; i < n_fields; i++) {
GIFieldInfo *field_info;
SV *sv;
field_info =
g_struct_info_get_field ((GIStructInfo *) info, i);
dwarn (" field %d (%s)\n", i, g_base_info_get_name (field_info));
/* FIXME: Check GIFieldInfoFlags. */
/* FIXME: Is it right to use GI_TRANSFER_NOTHING
* here? */
sv = get_field (field_info, pointer,
GI_TRANSFER_NOTHING);
if (gperl_sv_is_defined (sv)) {
const gchar *name;
name = g_base_info_get_name (
(GIBaseInfo *) field_info);
gperl_hv_take_sv (hv, name, strlen (name), sv);
}
g_base_info_unref ((GIBaseInfo *) field_info);
}
break;
}
case GI_INFO_TYPE_UNION:
ccroak ("%s: unions not handled yet", G_STRFUNC);
default:
ccroak ("%s: unhandled info type %d", G_STRFUNC, info_type);
}
if (own) {
/* FIXME: Is it correct to just call g_free here? What if the
* thing was allocated via GSlice? */
g_free (pointer);
}
return newRV_noinc ((SV *) hv);
}
