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/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */
static gpointer
instance_sv_to_pointer (GICallableInfo *info, SV *sv)
{
// We do *not* own container.
GIBaseInfo *container = g_base_info_get_container (info);
GIInfoType info_type = g_base_info_get_type (container);
gpointer pointer = NULL;
/* FIXME: Much of this code is duplicated in sv_to_interface. */
dwarn (" instance_sv_to_pointer: container name: %s, info type: %d\n",
g_base_info_get_name (container),
info_type);
switch (info_type) {
case GI_INFO_TYPE_OBJECT:
case GI_INFO_TYPE_INTERFACE:
pointer = gperl_get_object (sv);
dwarn (" -> object pointer: %p\n", pointer);
break;
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
case GI_INFO_TYPE_UNION:
{
GType type = get_gtype ((GIRegisteredTypeInfo *) container);
if (!type || type == G_TYPE_NONE) {
dwarn (" unboxed type\n");
pointer = sv_to_struct (GI_TRANSFER_NOTHING,
container,
info_type,
sv);
} else {
dwarn (" boxed type: %s (%d)\n",
g_type_name (type), type);
pointer = gperl_get_boxed_check (sv, type);
}
dwarn (" -> boxed pointer: %p\n", pointer);
break;
}
default:
ccroak ("instance_sv_to_pointer: Don't know how to handle info type %d", info_type);
}
return pointer;
}
static void
sv_to_interface (GIArgInfo * arg_info,
GITypeInfo * type_info,
GITransfer transfer,
gboolean may_be_null,
SV * sv,
GIArgument * arg,
GPerlI11nInvocationInfo * invocation_info)
{
GIBaseInfo *interface;
GIInfoType info_type;
interface = g_type_info_get_interface (type_info);
if (!interface)
ccroak ("Could not convert sv %p to pointer", sv);
info_type = g_base_info_get_type (interface);
dwarn (" interface %p (%s) of type %d\n",
interface, g_base_info_get_name (interface), info_type);
switch (info_type) {
case GI_INFO_TYPE_OBJECT:
case GI_INFO_TYPE_INTERFACE:
arg->v_pointer = gperl_get_object (sv);
if (arg->v_pointer && transfer == GI_TRANSFER_EVERYTHING) {
g_object_ref (arg->v_pointer);
if (G_IS_INITIALLY_UNOWNED (arg->v_pointer)) {
g_object_force_floating (arg->v_pointer);
}
}
break;
case GI_INFO_TYPE_UNION:
case GI_INFO_TYPE_STRUCT:
case GI_INFO_TYPE_BOXED:
{
gboolean need_value_semantics =
arg_info && g_arg_info_is_caller_allocates (arg_info)
&& !g_type_info_is_pointer (type_info);
GType type = get_gtype ((GIRegisteredTypeInfo *) interface);
if (!type || type == G_TYPE_NONE) {
dwarn (" unboxed type\n");
g_assert (!need_value_semantics);
arg->v_pointer = sv_to_struct (transfer,
interface,
info_type,
sv);
} else if (type == G_TYPE_CLOSURE) {
/* FIXME: User cannot supply user data. */
dwarn (" closure type\n");
g_assert (!need_value_semantics);
arg->v_pointer = gperl_closure_new (sv, NULL, FALSE);
} else if (type == G_TYPE_VALUE) {
dwarn (" value type\n");
g_assert (!need_value_semantics);
arg->v_pointer = SvGValueWrapper (sv);
if (!arg->v_pointer)
ccroak ("Cannot convert arbitrary SV to GValue");
} else {
dwarn (" boxed type: %s, name=%s, caller-allocates=%d, is-pointer=%d\n",
g_type_name (type),
g_base_info_get_name (interface),
g_arg_info_is_caller_allocates (arg_info),
g_type_info_is_pointer (type_info));
if (need_value_semantics) {
gsize n_bytes = g_struct_info_get_size (interface);
gpointer mem = gperl_get_boxed_check (sv, type);
g_memmove (arg->v_pointer, mem, n_bytes);
} else {
if (may_be_null && !gperl_sv_is_defined (sv)) {
arg->v_pointer = NULL;
} else {
/* FIXME: Check transfer setting. */
arg->v_pointer = gperl_get_boxed_check (sv, type);
}
}
}
break;
}
case GI_INFO_TYPE_ENUM:
{
GType type = get_gtype ((GIRegisteredTypeInfo *) interface);
/* FIXME: Check storage type? */
arg->v_long = gperl_convert_enum (type, sv);
break;
}
case GI_INFO_TYPE_FLAGS:
{
GType type = get_gtype ((GIRegisteredTypeInfo *) interface);
/* FIXME: Check storage type? */
arg->v_long = gperl_convert_flags (type, sv);
break;
}
case GI_INFO_TYPE_CALLBACK:
arg->v_pointer = sv_to_callback (arg_info, type_info, sv,
invocation_info);
break;
default:
ccroak ("sv_to_interface: Don't know how to handle info type %s (%d)",
g_info_type_to_string (info_type),
info_type);
}
g_base_info_unref ((GIBaseInfo *) interface);
}
/* This may call Perl code, so it needs to be wrapped with PUTBACK/SPAGAIN by
* the caller. */
static SV *
interface_to_sv (GITypeInfo* info, GIArgument *arg, gboolean own, GPerlI11nInvocationInfo *iinfo)
{
GIBaseInfo *interface;
GIInfoType info_type;
SV *sv = NULL;
dwarn (" interface_to_sv: arg %p, info %p\n",
arg, info);
interface = g_type_info_get_interface (info);
if (!interface)
ccroak ("Could not convert arg %p to SV", arg);
info_type = g_base_info_get_type (interface);
dwarn (" info type: %d (%s)\n", info_type, g_info_type_to_string (info_type));
switch (info_type) {
case GI_INFO_TYPE_OBJECT:
case GI_INFO_TYPE_INTERFACE:
sv = gperl_new_object (arg->v_pointer, own);
break;
case GI_INFO_TYPE_UNION:
case GI_INFO_TYPE_STRUCT:
case GI_INFO_TYPE_BOXED:
{
/* FIXME: What about pass-by-value here? */
GType type;
type = get_gtype ((GIRegisteredTypeInfo *) interface);
if (!type || type == G_TYPE_NONE) {
dwarn (" unboxed type\n");
sv = struct_to_sv (interface, info_type, arg->v_pointer, own);
} else if (type == G_TYPE_VALUE) {
dwarn (" value type\n");
sv = gperl_sv_from_value (arg->v_pointer);
/* FIXME: Check 'own'. */
} else {
dwarn (" boxed type: %d (%s)\n",
type, g_type_name (type));
sv = gperl_new_boxed (arg->v_pointer, type, own);
}
break;
}
case GI_INFO_TYPE_ENUM:
{
GType type = get_gtype ((GIRegisteredTypeInfo *) interface);
/* FIXME: Is it right to just use v_long here? */
sv = gperl_convert_back_enum (type, arg->v_long);
break;
}
case GI_INFO_TYPE_FLAGS:
{
GType type = get_gtype ((GIRegisteredTypeInfo *) interface);
/* FIXME: Is it right to just use v_long here? */
sv = gperl_convert_back_flags (type, arg->v_long);
break;
}
case GI_INFO_TYPE_CALLBACK:
sv = callback_to_sv (interface, arg->v_pointer, iinfo);
break;
default:
ccroak ("interface_to_sv: Don't know how to handle info type %s (%d)",
g_info_type_to_string (info_type),
info_type);
}
g_base_info_unref ((GIBaseInfo *) interface);
return sv;
}
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