341 lines
17 KiB
C++
341 lines
17 KiB
C++
/*************************************************************************/
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/* variant_construct.cpp */
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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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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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#include "variant_construct.h"
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struct VariantConstructData {
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void (*construct)(Variant &r_base, const Variant **p_args, Callable::CallError &r_error);
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Variant::ValidatedConstructor validated_construct;
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Variant::PTRConstructor ptr_construct;
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Variant::Type (*get_argument_type)(int);
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int argument_count;
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Vector<String> arg_names;
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};
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static LocalVector<VariantConstructData> construct_data[Variant::VARIANT_MAX];
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template <class T>
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static void add_constructor(const Vector<String> &arg_names) {
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ERR_FAIL_COND_MSG(arg_names.size() != T::get_argument_count(), "Argument names size mismatch for " + Variant::get_type_name(T::get_base_type()) + ".");
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VariantConstructData cd;
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cd.construct = T::construct;
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cd.validated_construct = T::validated_construct;
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cd.ptr_construct = T::ptr_construct;
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cd.get_argument_type = T::get_argument_type;
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cd.argument_count = T::get_argument_count();
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cd.arg_names = arg_names;
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construct_data[T::get_base_type()].push_back(cd);
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}
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void Variant::_register_variant_constructors() {
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add_constructor<VariantConstructNoArgsNil>(sarray());
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add_constructor<VariantConstructorNil>(sarray("from"));
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add_constructor<VariantConstructNoArgs<bool>>(sarray());
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add_constructor<VariantConstructor<bool, bool>>(sarray("from"));
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add_constructor<VariantConstructor<bool, int64_t>>(sarray("from"));
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add_constructor<VariantConstructor<bool, double>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<int64_t>>(sarray());
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add_constructor<VariantConstructor<int64_t, int64_t>>(sarray("from"));
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add_constructor<VariantConstructor<int64_t, double>>(sarray("from"));
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add_constructor<VariantConstructor<int64_t, bool>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<double>>(sarray());
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add_constructor<VariantConstructor<double, double>>(sarray("from"));
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add_constructor<VariantConstructor<double, int64_t>>(sarray("from"));
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add_constructor<VariantConstructor<double, bool>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<String>>(sarray());
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add_constructor<VariantConstructor<String, String>>(sarray("from"));
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add_constructor<VariantConstructor<String, StringName>>(sarray("from"));
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add_constructor<VariantConstructor<String, NodePath>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<Vector2>>(sarray());
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add_constructor<VariantConstructor<Vector2, Vector2>>(sarray("from"));
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add_constructor<VariantConstructor<Vector2, Vector2i>>(sarray("from"));
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add_constructor<VariantConstructor<Vector2, double, double>>(sarray("x", "y"));
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add_constructor<VariantConstructNoArgs<Vector2i>>(sarray());
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add_constructor<VariantConstructor<Vector2i, Vector2i>>(sarray("from"));
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add_constructor<VariantConstructor<Vector2i, Vector2>>(sarray("from"));
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add_constructor<VariantConstructor<Vector2i, int64_t, int64_t>>(sarray("x", "y"));
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add_constructor<VariantConstructNoArgs<Rect2>>(sarray());
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add_constructor<VariantConstructor<Rect2, Rect2>>(sarray("from"));
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add_constructor<VariantConstructor<Rect2, Rect2i>>(sarray("from"));
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add_constructor<VariantConstructor<Rect2, Vector2, Vector2>>(sarray("position", "size"));
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add_constructor<VariantConstructor<Rect2, double, double, double, double>>(sarray("x", "y", "width", "height"));
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add_constructor<VariantConstructNoArgs<Rect2i>>(sarray());
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add_constructor<VariantConstructor<Rect2i, Rect2i>>(sarray("from"));
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add_constructor<VariantConstructor<Rect2i, Rect2>>(sarray("from"));
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add_constructor<VariantConstructor<Rect2i, Vector2i, Vector2i>>(sarray("position", "size"));
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add_constructor<VariantConstructor<Rect2i, int64_t, int64_t, int64_t, int64_t>>(sarray("x", "y", "width", "height"));
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add_constructor<VariantConstructNoArgs<Vector3>>(sarray());
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add_constructor<VariantConstructor<Vector3, Vector3>>(sarray("from"));
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add_constructor<VariantConstructor<Vector3, Vector3i>>(sarray("from"));
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add_constructor<VariantConstructor<Vector3, double, double, double>>(sarray("x", "y", "z"));
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add_constructor<VariantConstructNoArgs<Vector3i>>(sarray());
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add_constructor<VariantConstructor<Vector3i, Vector3i>>(sarray("from"));
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add_constructor<VariantConstructor<Vector3i, Vector3>>(sarray("from"));
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add_constructor<VariantConstructor<Vector3i, int64_t, int64_t, int64_t>>(sarray("x", "y", "z"));
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add_constructor<VariantConstructNoArgs<Transform2D>>(sarray());
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add_constructor<VariantConstructor<Transform2D, Transform2D>>(sarray("from"));
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add_constructor<VariantConstructor<Transform2D, float, Vector2>>(sarray("rotation", "position"));
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add_constructor<VariantConstructor<Transform2D, float, Size2, float, Vector2>>(sarray("rotation", "scale", "skew", "position"));
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add_constructor<VariantConstructor<Transform2D, Vector2, Vector2, Vector2>>(sarray("x_axis", "y_axis", "origin"));
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add_constructor<VariantConstructNoArgs<Plane>>(sarray());
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add_constructor<VariantConstructor<Plane, Plane>>(sarray("from"));
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add_constructor<VariantConstructor<Plane, Vector3>>(sarray("normal"));
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add_constructor<VariantConstructor<Plane, Vector3, double>>(sarray("normal", "d"));
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add_constructor<VariantConstructor<Plane, Vector3, Vector3>>(sarray("normal", "point"));
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add_constructor<VariantConstructor<Plane, Vector3, Vector3, Vector3>>(sarray("point1", "point2", "point3"));
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add_constructor<VariantConstructor<Plane, double, double, double, double>>(sarray("a", "b", "c", "d"));
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add_constructor<VariantConstructNoArgs<Quaternion>>(sarray());
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add_constructor<VariantConstructor<Quaternion, Quaternion>>(sarray("from"));
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add_constructor<VariantConstructor<Quaternion, Basis>>(sarray("from"));
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add_constructor<VariantConstructor<Quaternion, Vector3>>(sarray("euler"));
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add_constructor<VariantConstructor<Quaternion, Vector3, double>>(sarray("axis", "angle"));
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add_constructor<VariantConstructor<Quaternion, Vector3, Vector3>>(sarray("arc_from", "arc_to"));
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add_constructor<VariantConstructor<Quaternion, double, double, double, double>>(sarray("x", "y", "z", "w"));
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add_constructor<VariantConstructNoArgs<::AABB>>(sarray());
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add_constructor<VariantConstructor<::AABB, ::AABB>>(sarray("from"));
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add_constructor<VariantConstructor<::AABB, Vector3, Vector3>>(sarray("position", "size"));
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add_constructor<VariantConstructNoArgs<Basis>>(sarray());
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add_constructor<VariantConstructor<Basis, Basis>>(sarray("from"));
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add_constructor<VariantConstructor<Basis, Quaternion>>(sarray("from"));
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add_constructor<VariantConstructor<Basis, Vector3>>(sarray("euler"));
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add_constructor<VariantConstructor<Basis, Vector3, double>>(sarray("axis", "phi"));
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add_constructor<VariantConstructor<Basis, Vector3, Vector3, Vector3>>(sarray("x_axis", "y_axis", "z_axis"));
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add_constructor<VariantConstructNoArgs<Transform3D>>(sarray());
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add_constructor<VariantConstructor<Transform3D, Transform3D>>(sarray("from"));
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add_constructor<VariantConstructor<Transform3D, Basis, Vector3>>(sarray("basis", "origin"));
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add_constructor<VariantConstructor<Transform3D, Vector3, Vector3, Vector3, Vector3>>(sarray("x_axis", "y_axis", "z_axis", "origin"));
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add_constructor<VariantConstructNoArgs<Color>>(sarray());
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add_constructor<VariantConstructor<Color, Color>>(sarray("from"));
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add_constructor<VariantConstructor<Color, Color, double>>(sarray("from", "alpha"));
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add_constructor<VariantConstructor<Color, double, double, double>>(sarray("r", "g", "b"));
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add_constructor<VariantConstructor<Color, double, double, double, double>>(sarray("r", "g", "b", "a"));
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add_constructor<VariantConstructor<Color, String>>(sarray("code"));
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add_constructor<VariantConstructor<Color, String, double>>(sarray("code", "alpha"));
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add_constructor<VariantConstructNoArgs<StringName>>(sarray());
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add_constructor<VariantConstructor<StringName, StringName>>(sarray("from"));
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add_constructor<VariantConstructor<StringName, String>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<NodePath>>(sarray());
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add_constructor<VariantConstructor<NodePath, NodePath>>(sarray("from"));
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add_constructor<VariantConstructor<NodePath, String>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<::RID>>(sarray());
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add_constructor<VariantConstructor<::RID, ::RID>>(sarray("from"));
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add_constructor<VariantConstructNoArgsObject>(sarray());
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add_constructor<VariantConstructorObject>(sarray("from"));
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add_constructor<VariantConstructorNilObject>(sarray("from"));
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add_constructor<VariantConstructNoArgs<Callable>>(sarray());
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add_constructor<VariantConstructor<Callable, Callable>>(sarray("from"));
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add_constructor<VariantConstructorCallableArgs>(sarray("object", "method"));
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add_constructor<VariantConstructNoArgs<Signal>>(sarray());
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add_constructor<VariantConstructor<Signal, Signal>>(sarray("from"));
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add_constructor<VariantConstructorSignalArgs>(sarray("object", "signal"));
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add_constructor<VariantConstructNoArgs<Dictionary>>(sarray());
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add_constructor<VariantConstructor<Dictionary, Dictionary>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<Array>>(sarray());
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add_constructor<VariantConstructor<Array, Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedByteArray>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedInt32Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedInt64Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedFloat32Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedFloat64Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedStringArray>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedVector2Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedVector3Array>>(sarray("from"));
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add_constructor<VariantConstructorToArray<PackedColorArray>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedByteArray>>(sarray());
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add_constructor<VariantConstructor<PackedByteArray, PackedByteArray>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedByteArray>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedInt32Array>>(sarray());
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add_constructor<VariantConstructor<PackedInt32Array, PackedInt32Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedInt32Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedInt64Array>>(sarray());
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add_constructor<VariantConstructor<PackedInt64Array, PackedInt64Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedInt64Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedFloat32Array>>(sarray());
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add_constructor<VariantConstructor<PackedFloat32Array, PackedFloat32Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedFloat32Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedFloat64Array>>(sarray());
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add_constructor<VariantConstructor<PackedFloat64Array, PackedFloat64Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedFloat64Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedStringArray>>(sarray());
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add_constructor<VariantConstructor<PackedStringArray, PackedStringArray>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedStringArray>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedVector2Array>>(sarray());
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add_constructor<VariantConstructor<PackedVector2Array, PackedVector2Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedVector2Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedVector3Array>>(sarray());
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add_constructor<VariantConstructor<PackedVector3Array, PackedVector3Array>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedVector3Array>>(sarray("from"));
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add_constructor<VariantConstructNoArgs<PackedColorArray>>(sarray());
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add_constructor<VariantConstructor<PackedColorArray, PackedColorArray>>(sarray("from"));
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add_constructor<VariantConstructorFromArray<PackedColorArray>>(sarray("from"));
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}
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void Variant::_unregister_variant_constructors() {
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for (int i = 0; i < Variant::VARIANT_MAX; i++) {
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construct_data[i].clear();
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}
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}
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void Variant::construct(Variant::Type p_type, Variant &base, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
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ERR_FAIL_INDEX(p_type, Variant::VARIANT_MAX);
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uint32_t s = construct_data[p_type].size();
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for (uint32_t i = 0; i < s; i++) {
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int argc = construct_data[p_type][i].argument_count;
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if (argc != p_argcount) {
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continue;
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}
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bool args_match = true;
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for (int j = 0; j < argc; j++) {
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if (!Variant::can_convert_strict(p_args[j]->get_type(), construct_data[p_type][i].get_argument_type(j))) {
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args_match = false;
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break;
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}
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}
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if (!args_match) {
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continue;
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}
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construct_data[p_type][i].construct(base, p_args, r_error);
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return;
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}
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
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}
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int Variant::get_constructor_count(Variant::Type p_type) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, -1);
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return construct_data[p_type].size();
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}
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Variant::ValidatedConstructor Variant::get_validated_constructor(Variant::Type p_type, int p_constructor) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, nullptr);
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ERR_FAIL_INDEX_V(p_constructor, (int)construct_data[p_type].size(), nullptr);
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return construct_data[p_type][p_constructor].validated_construct;
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}
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Variant::PTRConstructor Variant::get_ptr_constructor(Variant::Type p_type, int p_constructor) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, nullptr);
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ERR_FAIL_INDEX_V(p_constructor, (int)construct_data[p_type].size(), nullptr);
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return construct_data[p_type][p_constructor].ptr_construct;
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}
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int Variant::get_constructor_argument_count(Variant::Type p_type, int p_constructor) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, -1);
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ERR_FAIL_INDEX_V(p_constructor, (int)construct_data[p_type].size(), -1);
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return construct_data[p_type][p_constructor].argument_count;
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}
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Variant::Type Variant::get_constructor_argument_type(Variant::Type p_type, int p_constructor, int p_argument) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, Variant::VARIANT_MAX);
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ERR_FAIL_INDEX_V(p_constructor, (int)construct_data[p_type].size(), Variant::VARIANT_MAX);
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return construct_data[p_type][p_constructor].get_argument_type(p_argument);
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}
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String Variant::get_constructor_argument_name(Variant::Type p_type, int p_constructor, int p_argument) {
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ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, String());
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ERR_FAIL_INDEX_V(p_constructor, (int)construct_data[p_type].size(), String());
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return construct_data[p_type][p_constructor].arg_names[p_argument];
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}
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void VariantInternal::object_assign(Variant *v, const Object *o) {
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if (o) {
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if (o->is_ref_counted()) {
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RefCounted *ref_counted = const_cast<RefCounted *>(static_cast<const RefCounted *>(o));
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if (!ref_counted->init_ref()) {
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v->_get_obj().obj = nullptr;
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v->_get_obj().id = ObjectID();
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return;
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}
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}
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v->_get_obj().obj = const_cast<Object *>(o);
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v->_get_obj().id = o->get_instance_id();
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} else {
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v->_get_obj().obj = nullptr;
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v->_get_obj().id = ObjectID();
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}
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}
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void Variant::get_constructor_list(Type p_type, List<MethodInfo> *r_list) {
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ERR_FAIL_INDEX(p_type, Variant::VARIANT_MAX);
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MethodInfo mi;
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mi.return_val.type = p_type;
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mi.name = get_type_name(p_type);
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for (int i = 0; i < get_constructor_count(p_type); i++) {
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int ac = get_constructor_argument_count(p_type, i);
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mi.arguments.clear();
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for (int j = 0; j < ac; j++) {
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PropertyInfo arg;
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arg.name = get_constructor_argument_name(p_type, i, j);
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arg.type = get_constructor_argument_type(p_type, i, j);
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mi.arguments.push_back(arg);
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}
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r_list->push_back(mi);
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}
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}
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