godot/modules/mono/mono_gd/gd_mono_field.cpp
2020-05-10 13:13:54 +02:00

666 lines
22 KiB
C++

/*************************************************************************/
/* gd_mono_field.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "gd_mono_field.h"
#include <mono/metadata/attrdefs.h>
#include "gd_mono_cache.h"
#include "gd_mono_class.h"
#include "gd_mono_marshal.h"
#include "gd_mono_utils.h"
void GDMonoField::set_value(MonoObject *p_object, MonoObject *p_value) {
mono_field_set_value(p_object, mono_field, p_value);
}
void GDMonoField::set_value_raw(MonoObject *p_object, void *p_ptr) {
mono_field_set_value(p_object, mono_field, &p_ptr);
}
void GDMonoField::set_value_from_variant(MonoObject *p_object, const Variant &p_value) {
#define SET_FROM_STRUCT(m_type) \
{ \
GDMonoMarshal::M_##m_type from = MARSHALLED_OUT(m_type, p_value.operator ::m_type()); \
mono_field_set_value(p_object, mono_field, &from); \
}
#define SET_FROM_ARRAY(m_type) \
{ \
MonoArray *managed = GDMonoMarshal::m_type##_to_mono_array(p_value.operator ::m_type()); \
mono_field_set_value(p_object, mono_field, managed); \
}
switch (type.type_encoding) {
case MONO_TYPE_BOOLEAN: {
MonoBoolean val = p_value.operator bool();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_CHAR: {
int16_t val = p_value.operator unsigned short();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_I1: {
int8_t val = p_value.operator signed char();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_I2: {
int16_t val = p_value.operator signed short();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_I4: {
int32_t val = p_value.operator signed int();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_I8: {
int64_t val = p_value.operator int64_t();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_U1: {
uint8_t val = p_value.operator unsigned char();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_U2: {
uint16_t val = p_value.operator unsigned short();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_U4: {
uint32_t val = p_value.operator unsigned int();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_U8: {
uint64_t val = p_value.operator uint64_t();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_R4: {
float val = p_value.operator float();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_R8: {
double val = p_value.operator double();
mono_field_set_value(p_object, mono_field, &val);
} break;
case MONO_TYPE_STRING: {
if (p_value.get_type() == Variant::NIL) {
// Otherwise, Variant -> String would return the string "Null"
MonoString *mono_string = nullptr;
mono_field_set_value(p_object, mono_field, mono_string);
} else {
MonoString *mono_string = GDMonoMarshal::mono_string_from_godot(p_value);
mono_field_set_value(p_object, mono_field, mono_string);
}
} break;
case MONO_TYPE_VALUETYPE: {
GDMonoClass *tclass = type.type_class;
if (tclass == CACHED_CLASS(Vector2)) {
SET_FROM_STRUCT(Vector2);
break;
}
if (tclass == CACHED_CLASS(Vector2i)) {
SET_FROM_STRUCT(Vector2i);
break;
}
if (tclass == CACHED_CLASS(Rect2)) {
SET_FROM_STRUCT(Rect2);
break;
}
if (tclass == CACHED_CLASS(Rect2i)) {
SET_FROM_STRUCT(Rect2i);
break;
}
if (tclass == CACHED_CLASS(Transform2D)) {
SET_FROM_STRUCT(Transform2D);
break;
}
if (tclass == CACHED_CLASS(Vector3)) {
SET_FROM_STRUCT(Vector3);
break;
}
if (tclass == CACHED_CLASS(Vector3i)) {
SET_FROM_STRUCT(Vector3i);
break;
}
if (tclass == CACHED_CLASS(Basis)) {
SET_FROM_STRUCT(Basis);
break;
}
if (tclass == CACHED_CLASS(Quat)) {
SET_FROM_STRUCT(Quat);
break;
}
if (tclass == CACHED_CLASS(Transform)) {
SET_FROM_STRUCT(Transform);
break;
}
if (tclass == CACHED_CLASS(AABB)) {
SET_FROM_STRUCT(AABB);
break;
}
if (tclass == CACHED_CLASS(Color)) {
SET_FROM_STRUCT(Color);
break;
}
if (tclass == CACHED_CLASS(Plane)) {
SET_FROM_STRUCT(Plane);
break;
}
if (tclass == CACHED_CLASS(Callable)) {
GDMonoMarshal::M_Callable val = GDMonoMarshal::callable_to_managed(p_value.operator Callable());
mono_field_set_value(p_object, mono_field, &val);
break;
}
if (tclass == CACHED_CLASS(SignalInfo)) {
GDMonoMarshal::M_SignalInfo val = GDMonoMarshal::signal_info_to_managed(p_value.operator Signal());
mono_field_set_value(p_object, mono_field, &val);
break;
}
if (mono_class_is_enum(tclass->get_mono_ptr())) {
MonoType *enum_basetype = mono_class_enum_basetype(tclass->get_mono_ptr());
switch (mono_type_get_type(enum_basetype)) {
case MONO_TYPE_BOOLEAN: {
MonoBoolean val = p_value.operator bool();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_CHAR: {
uint16_t val = p_value.operator unsigned short();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_I1: {
int8_t val = p_value.operator signed char();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_I2: {
int16_t val = p_value.operator signed short();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_I4: {
int32_t val = p_value.operator signed int();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_I8: {
int64_t val = p_value.operator int64_t();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_U1: {
uint8_t val = p_value.operator unsigned char();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_U2: {
uint16_t val = p_value.operator unsigned short();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_U4: {
uint32_t val = p_value.operator unsigned int();
mono_field_set_value(p_object, mono_field, &val);
break;
}
case MONO_TYPE_U8: {
uint64_t val = p_value.operator uint64_t();
mono_field_set_value(p_object, mono_field, &val);
break;
}
default: {
ERR_FAIL_MSG("Attempted to convert Variant to a managed enum value of unmarshallable base type.");
}
}
break;
}
ERR_FAIL_MSG("Attempted to set the value of a field of unmarshallable type: '" + tclass->get_name() + "'.");
} break;
case MONO_TYPE_ARRAY:
case MONO_TYPE_SZARRAY: {
MonoArrayType *array_type = mono_type_get_array_type(type.type_class->get_mono_type());
if (array_type->eklass == CACHED_CLASS_RAW(MonoObject)) {
SET_FROM_ARRAY(Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(uint8_t)) {
SET_FROM_ARRAY(PackedByteArray);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(int32_t)) {
SET_FROM_ARRAY(PackedInt32Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(int64_t)) {
SET_FROM_ARRAY(PackedInt64Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(float)) {
SET_FROM_ARRAY(PackedFloat32Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(double)) {
SET_FROM_ARRAY(PackedFloat64Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(String)) {
SET_FROM_ARRAY(PackedStringArray);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(Vector2)) {
SET_FROM_ARRAY(PackedVector2Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(Vector3)) {
SET_FROM_ARRAY(PackedVector3Array);
break;
}
if (array_type->eklass == CACHED_CLASS_RAW(Color)) {
SET_FROM_ARRAY(PackedColorArray);
break;
}
GDMonoClass *array_type_class = GDMono::get_singleton()->get_class(array_type->eklass);
if (CACHED_CLASS(GodotObject)->is_assignable_from(array_type_class)) {
MonoArray *managed = GDMonoMarshal::Array_to_mono_array(p_value.operator ::Array(), array_type_class);
mono_field_set_value(p_object, mono_field, managed);
break;
}
ERR_FAIL_MSG("Attempted to convert Variant to a managed array of unmarshallable element type.");
} break;
case MONO_TYPE_CLASS: {
GDMonoClass *type_class = type.type_class;
// GodotObject
if (CACHED_CLASS(GodotObject)->is_assignable_from(type_class)) {
MonoObject *managed = GDMonoUtils::unmanaged_get_managed(p_value.operator Object *());
mono_field_set_value(p_object, mono_field, managed);
break;
}
if (CACHED_CLASS(StringName) == type_class) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator StringName());
mono_field_set_value(p_object, mono_field, managed);
break;
}
if (CACHED_CLASS(NodePath) == type_class) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator NodePath());
mono_field_set_value(p_object, mono_field, managed);
break;
}
if (CACHED_CLASS(RID) == type_class) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator RID());
mono_field_set_value(p_object, mono_field, managed);
break;
}
// Godot.Collections.Dictionary or IDictionary
if (CACHED_CLASS(Dictionary) == type_class || type_class == CACHED_CLASS(System_Collections_IDictionary)) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Dictionary(), CACHED_CLASS(Dictionary));
mono_field_set_value(p_object, mono_field, managed);
break;
}
// Godot.Collections.Array or ICollection or IEnumerable
if (CACHED_CLASS(Array) == type_class ||
type_class == CACHED_CLASS(System_Collections_ICollection) ||
type_class == CACHED_CLASS(System_Collections_IEnumerable)) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Array(), CACHED_CLASS(Array));
mono_field_set_value(p_object, mono_field, managed);
break;
}
ERR_FAIL_MSG("Attempted to set the value of a field of unmarshallable type: '" + type_class->get_name() + "'.");
} break;
case MONO_TYPE_OBJECT: {
// Variant
switch (p_value.get_type()) {
case Variant::BOOL: {
MonoBoolean val = p_value.operator bool();
mono_field_set_value(p_object, mono_field, &val);
} break;
case Variant::INT: {
int32_t val = p_value.operator signed int();
mono_field_set_value(p_object, mono_field, &val);
} break;
case Variant::FLOAT: {
#ifdef REAL_T_IS_DOUBLE
double val = p_value.operator double();
mono_field_set_value(p_object, mono_field, &val);
#else
float val = p_value.operator float();
mono_field_set_value(p_object, mono_field, &val);
#endif
} break;
case Variant::STRING: {
MonoString *mono_string = GDMonoMarshal::mono_string_from_godot(p_value);
mono_field_set_value(p_object, mono_field, mono_string);
} break;
case Variant::VECTOR2: {
SET_FROM_STRUCT(Vector2);
} break;
case Variant::VECTOR2I: {
SET_FROM_STRUCT(Vector2i);
} break;
case Variant::RECT2: {
SET_FROM_STRUCT(Rect2);
} break;
case Variant::RECT2I: {
SET_FROM_STRUCT(Rect2i);
} break;
case Variant::VECTOR3: {
SET_FROM_STRUCT(Vector3);
} break;
case Variant::VECTOR3I: {
SET_FROM_STRUCT(Vector3i);
} break;
case Variant::TRANSFORM2D: {
SET_FROM_STRUCT(Transform2D);
} break;
case Variant::PLANE: {
SET_FROM_STRUCT(Plane);
} break;
case Variant::QUAT: {
SET_FROM_STRUCT(Quat);
} break;
case Variant::AABB: {
SET_FROM_STRUCT(AABB);
} break;
case Variant::BASIS: {
SET_FROM_STRUCT(Basis);
} break;
case Variant::TRANSFORM: {
SET_FROM_STRUCT(Transform);
} break;
case Variant::COLOR: {
SET_FROM_STRUCT(Color);
} break;
case Variant::STRING_NAME: {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator StringName());
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::NODE_PATH: {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator NodePath());
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::_RID: {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator RID());
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::OBJECT: {
MonoObject *managed = GDMonoUtils::unmanaged_get_managed(p_value.operator Object *());
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::CALLABLE: {
GDMonoMarshal::M_Callable val = GDMonoMarshal::callable_to_managed(p_value.operator Callable());
mono_field_set_value(p_object, mono_field, &val);
} break;
case Variant::SIGNAL: {
GDMonoMarshal::M_SignalInfo val = GDMonoMarshal::signal_info_to_managed(p_value.operator Signal());
mono_field_set_value(p_object, mono_field, &val);
} break;
case Variant::DICTIONARY: {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Dictionary(), CACHED_CLASS(Dictionary));
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::ARRAY: {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Array(), CACHED_CLASS(Array));
mono_field_set_value(p_object, mono_field, managed);
} break;
case Variant::PACKED_BYTE_ARRAY: {
SET_FROM_ARRAY(PackedByteArray);
} break;
case Variant::PACKED_INT32_ARRAY: {
SET_FROM_ARRAY(PackedInt32Array);
} break;
case Variant::PACKED_INT64_ARRAY: {
SET_FROM_ARRAY(PackedInt64Array);
} break;
case Variant::PACKED_FLOAT32_ARRAY: {
SET_FROM_ARRAY(PackedFloat32Array);
} break;
case Variant::PACKED_FLOAT64_ARRAY: {
SET_FROM_ARRAY(PackedFloat64Array);
} break;
case Variant::PACKED_STRING_ARRAY: {
SET_FROM_ARRAY(PackedStringArray);
} break;
case Variant::PACKED_VECTOR2_ARRAY: {
SET_FROM_ARRAY(PackedVector2Array);
} break;
case Variant::PACKED_VECTOR3_ARRAY: {
SET_FROM_ARRAY(PackedVector3Array);
} break;
case Variant::PACKED_COLOR_ARRAY: {
SET_FROM_ARRAY(PackedColorArray);
} break;
default:
break;
}
} break;
case MONO_TYPE_GENERICINST: {
MonoReflectionType *reftype = mono_type_get_object(mono_domain_get(), type.type_class->get_mono_type());
// Godot.Collections.Dictionary<TKey, TValue>
if (GDMonoUtils::Marshal::type_is_generic_dictionary(reftype)) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Dictionary(), type.type_class);
mono_field_set_value(p_object, mono_field, managed);
break;
}
// Godot.Collections.Array<T>
if (GDMonoUtils::Marshal::type_is_generic_array(reftype)) {
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Array(), type.type_class);
mono_field_set_value(p_object, mono_field, managed);
break;
}
// System.Collections.Generic.Dictionary<TKey, TValue>
if (GDMonoUtils::Marshal::type_is_system_generic_dictionary(reftype)) {
MonoReflectionType *key_reftype = nullptr;
MonoReflectionType *value_reftype = nullptr;
GDMonoUtils::Marshal::dictionary_get_key_value_types(reftype, &key_reftype, &value_reftype);
MonoObject *managed = GDMonoMarshal::Dictionary_to_system_generic_dict(p_value.operator Dictionary(),
type.type_class, key_reftype, value_reftype);
mono_field_set_value(p_object, mono_field, managed);
break;
}
// System.Collections.Generic.List<T>
if (GDMonoUtils::Marshal::type_is_system_generic_list(reftype)) {
MonoReflectionType *elem_reftype = nullptr;
GDMonoUtils::Marshal::array_get_element_type(reftype, &elem_reftype);
MonoObject *managed = GDMonoMarshal::Array_to_system_generic_list(p_value.operator Array(),
type.type_class, elem_reftype);
mono_field_set_value(p_object, mono_field, managed);
break;
}
// IDictionary<TKey, TValue>
if (GDMonoUtils::Marshal::type_is_generic_idictionary(reftype)) {
MonoReflectionType *key_reftype;
MonoReflectionType *value_reftype;
GDMonoUtils::Marshal::dictionary_get_key_value_types(reftype, &key_reftype, &value_reftype);
GDMonoClass *godot_dict_class = GDMonoUtils::Marshal::make_generic_dictionary_type(key_reftype, value_reftype);
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Dictionary(), godot_dict_class);
mono_field_set_value(p_object, mono_field, managed);
break;
}
// ICollection<T> or IEnumerable<T>
if (GDMonoUtils::Marshal::type_is_generic_icollection(reftype) || GDMonoUtils::Marshal::type_is_generic_ienumerable(reftype)) {
MonoReflectionType *elem_reftype;
GDMonoUtils::Marshal::array_get_element_type(reftype, &elem_reftype);
GDMonoClass *godot_array_class = GDMonoUtils::Marshal::make_generic_array_type(elem_reftype);
MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator Array(), godot_array_class);
mono_field_set_value(p_object, mono_field, managed);
break;
}
} break;
default: {
ERR_PRINT("Attempted to set the value of a field of unexpected type encoding: " + itos(type.type_encoding) + ".");
} break;
}
#undef SET_FROM_ARRAY_AND_BREAK
#undef SET_FROM_STRUCT_AND_BREAK
}
MonoObject *GDMonoField::get_value(MonoObject *p_object) {
return mono_field_get_value_object(mono_domain_get(), mono_field, p_object);
}
bool GDMonoField::get_bool_value(MonoObject *p_object) {
return (bool)GDMonoMarshal::unbox<MonoBoolean>(get_value(p_object));
}
int GDMonoField::get_int_value(MonoObject *p_object) {
return GDMonoMarshal::unbox<int32_t>(get_value(p_object));
}
String GDMonoField::get_string_value(MonoObject *p_object) {
MonoObject *val = get_value(p_object);
return GDMonoMarshal::mono_string_to_godot((MonoString *)val);
}
bool GDMonoField::has_attribute(GDMonoClass *p_attr_class) {
ERR_FAIL_NULL_V(p_attr_class, false);
if (!attrs_fetched)
fetch_attributes();
if (!attributes)
return false;
return mono_custom_attrs_has_attr(attributes, p_attr_class->get_mono_ptr());
}
MonoObject *GDMonoField::get_attribute(GDMonoClass *p_attr_class) {
ERR_FAIL_NULL_V(p_attr_class, nullptr);
if (!attrs_fetched)
fetch_attributes();
if (!attributes)
return nullptr;
return mono_custom_attrs_get_attr(attributes, p_attr_class->get_mono_ptr());
}
void GDMonoField::fetch_attributes() {
ERR_FAIL_COND(attributes != nullptr);
attributes = mono_custom_attrs_from_field(owner->get_mono_ptr(), mono_field);
attrs_fetched = true;
}
bool GDMonoField::is_static() {
return mono_field_get_flags(mono_field) & MONO_FIELD_ATTR_STATIC;
}
IMonoClassMember::Visibility GDMonoField::get_visibility() {
switch (mono_field_get_flags(mono_field) & MONO_FIELD_ATTR_FIELD_ACCESS_MASK) {
case MONO_FIELD_ATTR_PRIVATE:
return IMonoClassMember::PRIVATE;
case MONO_FIELD_ATTR_FAM_AND_ASSEM:
return IMonoClassMember::PROTECTED_AND_INTERNAL;
case MONO_FIELD_ATTR_ASSEMBLY:
return IMonoClassMember::INTERNAL;
case MONO_FIELD_ATTR_FAMILY:
return IMonoClassMember::PROTECTED;
case MONO_FIELD_ATTR_PUBLIC:
return IMonoClassMember::PUBLIC;
default:
ERR_FAIL_V(IMonoClassMember::PRIVATE);
}
}
GDMonoField::GDMonoField(MonoClassField *p_mono_field, GDMonoClass *p_owner) {
owner = p_owner;
mono_field = p_mono_field;
name = mono_field_get_name(mono_field);
MonoType *field_type = mono_field_get_type(mono_field);
type.type_encoding = mono_type_get_type(field_type);
MonoClass *field_type_class = mono_class_from_mono_type(field_type);
type.type_class = GDMono::get_singleton()->get_class(field_type_class);
attrs_fetched = false;
attributes = nullptr;
}
GDMonoField::~GDMonoField() {
if (attributes) {
mono_custom_attrs_free(attributes);
}
}