571 lines
18 KiB
C++
571 lines
18 KiB
C++
/*************************************************************************/
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/* variant_construct.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef VARIANT_CONSTRUCT_H
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#define VARIANT_CONSTRUCT_H
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#include "variant.h"
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#include "core/core_string_names.h"
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#include "core/crypto/crypto_core.h"
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#include "core/debugger/engine_debugger.h"
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#include "core/io/compression.h"
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#include "core/object/class_db.h"
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#include "core/os/os.h"
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#include "core/templates/local_vector.h"
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#include "core/templates/oa_hash_map.h"
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template <class T>
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struct PtrConstruct {};
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#define MAKE_PTRCONSTRUCT(m_type) \
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template <> \
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struct PtrConstruct<m_type> { \
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_FORCE_INLINE_ static void construct(const m_type &p_value, void *p_ptr) { \
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memnew_placement(p_ptr, m_type(p_value)); \
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} \
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};
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MAKE_PTRCONSTRUCT(bool);
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MAKE_PTRCONSTRUCT(int64_t);
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MAKE_PTRCONSTRUCT(double);
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MAKE_PTRCONSTRUCT(String);
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MAKE_PTRCONSTRUCT(Vector2);
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MAKE_PTRCONSTRUCT(Vector2i);
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MAKE_PTRCONSTRUCT(Rect2);
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MAKE_PTRCONSTRUCT(Rect2i);
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MAKE_PTRCONSTRUCT(Vector3);
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MAKE_PTRCONSTRUCT(Vector3i);
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MAKE_PTRCONSTRUCT(Transform2D);
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MAKE_PTRCONSTRUCT(Plane);
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MAKE_PTRCONSTRUCT(Quaternion);
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MAKE_PTRCONSTRUCT(AABB);
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MAKE_PTRCONSTRUCT(Basis);
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MAKE_PTRCONSTRUCT(Transform3D);
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MAKE_PTRCONSTRUCT(Color);
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MAKE_PTRCONSTRUCT(StringName);
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MAKE_PTRCONSTRUCT(NodePath);
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MAKE_PTRCONSTRUCT(RID);
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template <>
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struct PtrConstruct<Object *> {
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_FORCE_INLINE_ static void construct(Object *p_value, void *p_ptr) {
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*((Object **)p_ptr) = p_value;
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}
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};
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MAKE_PTRCONSTRUCT(Callable);
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MAKE_PTRCONSTRUCT(Signal);
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MAKE_PTRCONSTRUCT(Dictionary);
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MAKE_PTRCONSTRUCT(Array);
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MAKE_PTRCONSTRUCT(PackedByteArray);
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MAKE_PTRCONSTRUCT(PackedInt32Array);
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MAKE_PTRCONSTRUCT(PackedInt64Array);
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MAKE_PTRCONSTRUCT(PackedFloat32Array);
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MAKE_PTRCONSTRUCT(PackedFloat64Array);
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MAKE_PTRCONSTRUCT(PackedStringArray);
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MAKE_PTRCONSTRUCT(PackedVector2Array);
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MAKE_PTRCONSTRUCT(PackedVector3Array);
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MAKE_PTRCONSTRUCT(PackedColorArray);
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MAKE_PTRCONSTRUCT(Variant);
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template <class T, class... P>
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class VariantConstructor {
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template <size_t... Is>
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static _FORCE_INLINE_ void construct_helper(T &base, const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) {
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r_error.error = Callable::CallError::CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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base = T(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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base = T(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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}
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template <size_t... Is>
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static _FORCE_INLINE_ void validated_construct_helper(T &base, const Variant **p_args, IndexSequence<Is...>) {
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base = T((*VariantGetInternalPtr<P>::get_ptr(p_args[Is]))...);
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}
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template <size_t... Is>
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static _FORCE_INLINE_ void ptr_construct_helper(void *base, const void **p_args, IndexSequence<Is...>) {
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PtrConstruct<T>::construct(T(PtrToArg<P>::convert(p_args[Is])...), base);
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}
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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r_error.error = Callable::CallError::CALL_OK;
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VariantTypeChanger<T>::change(&r_ret);
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construct_helper(*VariantGetInternalPtr<T>::get_ptr(&r_ret), p_args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<T>::change(r_ret);
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validated_construct_helper(*VariantGetInternalPtr<T>::get_ptr(r_ret), p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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static void ptr_construct(void *base, const void **p_args) {
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ptr_construct_helper(base, p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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static int get_argument_count() {
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return sizeof...(P);
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}
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static Variant::Type get_argument_type(int p_arg) {
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return call_get_argument_type<P...>(p_arg);
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}
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static Variant::Type get_base_type() {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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};
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class VariantConstructorObject {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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VariantInternal::clear(&r_ret);
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if (p_args[0]->get_type() == Variant::NIL) {
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VariantInternal::object_assign_null(&r_ret);
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r_error.error = Callable::CallError::CALL_OK;
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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VariantInternal::object_assign(&r_ret, p_args[0]);
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r_error.error = Callable::CallError::CALL_OK;
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantInternal::clear(r_ret);
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VariantInternal::object_assign(r_ret, p_args[0]);
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Object *>::construct(PtrToArg<Object *>::convert(p_args[0]), base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::OBJECT;
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}
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static Variant::Type get_base_type() {
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return Variant::OBJECT;
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}
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};
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class VariantConstructorNilObject {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::NIL) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::NIL;
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}
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VariantInternal::clear(&r_ret);
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VariantInternal::object_assign_null(&r_ret);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantInternal::clear(r_ret);
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VariantInternal::object_assign_null(r_ret);
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Object *>::construct(nullptr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::NIL;
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}
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static Variant::Type get_base_type() {
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return Variant::OBJECT;
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}
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};
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class VariantConstructorCallableArgs {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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ObjectID object_id;
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StringName method;
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if (p_args[0]->get_type() == Variant::NIL) {
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// leave as is
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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object_id = VariantInternal::get_object_id(p_args[0]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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return;
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}
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if (p_args[1]->get_type() == Variant::STRING_NAME) {
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method = *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]);
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} else if (p_args[1]->get_type() == Variant::STRING) {
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method = *VariantGetInternalPtr<String>::get_ptr(p_args[1]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 1;
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r_error.expected = Variant::STRING_NAME;
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return;
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}
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VariantTypeChanger<Callable>::change(&r_ret);
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*VariantGetInternalPtr<Callable>::get_ptr(&r_ret) = Callable(object_id, method);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<Callable>::change(r_ret);
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*VariantGetInternalPtr<Callable>::get_ptr(r_ret) = Callable(VariantInternal::get_object_id(p_args[0]), *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]));
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Callable>::construct(Callable(PtrToArg<Object *>::convert(p_args[0]), PtrToArg<StringName>::convert(p_args[1])), base);
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}
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static int get_argument_count() {
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return 2;
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}
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static Variant::Type get_argument_type(int p_arg) {
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if (p_arg == 0) {
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return Variant::OBJECT;
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} else {
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return Variant::STRING_NAME;
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}
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}
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static Variant::Type get_base_type() {
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return Variant::CALLABLE;
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}
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};
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class VariantConstructorSignalArgs {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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ObjectID object_id;
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StringName method;
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if (p_args[0]->get_type() == Variant::NIL) {
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// leave as is
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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object_id = VariantInternal::get_object_id(p_args[0]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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return;
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}
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if (p_args[1]->get_type() == Variant::STRING_NAME) {
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method = *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]);
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} else if (p_args[1]->get_type() == Variant::STRING) {
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method = *VariantGetInternalPtr<String>::get_ptr(p_args[1]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 1;
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r_error.expected = Variant::STRING_NAME;
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return;
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}
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VariantTypeChanger<Signal>::change(&r_ret);
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*VariantGetInternalPtr<Signal>::get_ptr(&r_ret) = Signal(object_id, method);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<Signal>::change(r_ret);
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*VariantGetInternalPtr<Signal>::get_ptr(r_ret) = Signal(VariantInternal::get_object_id(p_args[0]), *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]));
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Signal>::construct(Signal(PtrToArg<Object *>::convert(p_args[0]), PtrToArg<StringName>::convert(p_args[1])), base);
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}
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static int get_argument_count() {
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return 2;
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}
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static Variant::Type get_argument_type(int p_arg) {
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if (p_arg == 0) {
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return Variant::OBJECT;
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} else {
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return Variant::STRING_NAME;
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}
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}
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static Variant::Type get_base_type() {
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return Variant::SIGNAL;
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}
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};
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template <class T>
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class VariantConstructorToArray {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != GetTypeInfo<T>::VARIANT_TYPE) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = GetTypeInfo<T>::VARIANT_TYPE;
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return;
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}
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VariantTypeChanger<Array>::change(&r_ret);
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Array &dst_arr = *VariantGetInternalPtr<Array>::get_ptr(&r_ret);
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const T &src_arr = *VariantGetInternalPtr<T>::get_ptr(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<Array>::change(r_ret);
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Array &dst_arr = *VariantGetInternalPtr<Array>::get_ptr(r_ret);
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const T &src_arr = *VariantGetInternalPtr<T>::get_ptr(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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}
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static void ptr_construct(void *base, const void **p_args) {
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Array dst_arr;
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T src_arr = PtrToArg<T>::convert(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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PtrConstruct<Array>::construct(dst_arr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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static Variant::Type get_base_type() {
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return Variant::ARRAY;
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}
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};
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template <class T>
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class VariantConstructorFromArray {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::ARRAY) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::ARRAY;
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return;
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}
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VariantTypeChanger<T>::change(&r_ret);
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const Array &src_arr = *VariantGetInternalPtr<Array>::get_ptr(p_args[0]);
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T &dst_arr = *VariantGetInternalPtr<T>::get_ptr(&r_ret);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<T>::change(r_ret);
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const Array &src_arr = *VariantGetInternalPtr<Array>::get_ptr(p_args[0]);
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T &dst_arr = *VariantGetInternalPtr<T>::get_ptr(r_ret);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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}
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static void ptr_construct(void *base, const void **p_args) {
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Array src_arr = PtrToArg<Array>::convert(p_args[0]);
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T dst_arr;
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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PtrConstruct<T>::construct(dst_arr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::ARRAY;
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}
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static Variant::Type get_base_type() {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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};
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class VariantConstructorNil {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::NIL) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::NIL;
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return;
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}
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r_error.error = Callable::CallError::CALL_OK;
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VariantInternal::clear(&r_ret);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantInternal::clear(r_ret);
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Variant>::construct(Variant(), base);
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}
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static int get_argument_count() {
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return 1;
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}
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|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::NIL;
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
class VariantConstructNoArgs {
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|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
VariantTypeChanger<T>::change_and_reset(&r_ret);
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
VariantTypeChanger<T>::change_and_reset(r_ret);
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
PtrConstruct<T>::construct(T(), base);
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return GetTypeInfo<T>::VARIANT_TYPE;
|
|
}
|
|
};
|
|
|
|
class VariantConstructNoArgsNil {
|
|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
VariantInternal::clear(&r_ret);
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
VariantInternal::clear(r_ret);
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
ERR_FAIL_MSG("can't ptrcall nil constructor");
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::NIL;
|
|
}
|
|
};
|
|
|
|
class VariantConstructNoArgsObject {
|
|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
r_ret = (Object *)nullptr; // Must construct a TYPE_OBJECT containing nullptr.
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
*r_ret = (Object *)nullptr; // Must construct a TYPE_OBJECT containing nullptr.
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
PtrConstruct<Object *>::construct(nullptr, base);
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::OBJECT;
|
|
}
|
|
};
|
|
|
|
#endif // VARIANT_CONSTRUCT_H
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