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3123be2384c14f7dd156b1cc2d53d822002b837a
godot/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/MarshalUtils.cs
Ignacio Roldán Etcheverry 3123be2384 C#: Array, Dictionary and marshaling refactoring 
- Array and Dictionary now store `Variant` instead of `System.Object`.
- Removed generic Array and Dictionary.
  They cause too much issues, heavily relying on reflection and
  very limited by the lack of a generic specialization.
- Removed support for non-Godot collections.
  Support for them also relied heavily on reflection for marshaling.
  Support for them will likely be re-introduced in the future, but
  it will have to rely on source generators instead of reflection.
- Reduced our use of reflection.
  The remaining usages will be moved to source generators soon.
  The only usage that I'm not sure yet how to replace is dynamic
  invocation of delegates.
2022-08-22 03:36:52 +02:00

651 lines
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using System;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis;
namespace Godot.SourceGenerators
{
internal static class MarshalUtils
{
public class TypeCache
{
public INamedTypeSymbol GodotObjectType { get; }
public TypeCache(GeneratorExecutionContext context)
{
INamedTypeSymbol GetTypeByMetadataNameOrThrow(string fullyQualifiedMetadataName)
{
return context.Compilation.GetTypeByMetadataName(fullyQualifiedMetadataName) ??
throw new InvalidOperationException("Type not found: " + fullyQualifiedMetadataName);
}
GodotObjectType = GetTypeByMetadataNameOrThrow("Godot.Object");
}
}
public static VariantType? ConvertMarshalTypeToVariantType(MarshalType marshalType)
=> marshalType switch
{
MarshalType.Boolean => VariantType.Bool,
MarshalType.Char => VariantType.Int,
MarshalType.SByte => VariantType.Int,
MarshalType.Int16 => VariantType.Int,
MarshalType.Int32 => VariantType.Int,
MarshalType.Int64 => VariantType.Int,
MarshalType.Byte => VariantType.Int,
MarshalType.UInt16 => VariantType.Int,
MarshalType.UInt32 => VariantType.Int,
MarshalType.UInt64 => VariantType.Int,
MarshalType.Single => VariantType.Float,
MarshalType.Double => VariantType.Float,
MarshalType.String => VariantType.String,
MarshalType.Vector2 => VariantType.Vector2,
MarshalType.Vector2i => VariantType.Vector2i,
MarshalType.Rect2 => VariantType.Rect2,
MarshalType.Rect2i => VariantType.Rect2i,
MarshalType.Transform2D => VariantType.Transform2d,
MarshalType.Vector3 => VariantType.Vector3,
MarshalType.Vector3i => VariantType.Vector3i,
MarshalType.Basis => VariantType.Basis,
MarshalType.Quaternion => VariantType.Quaternion,
MarshalType.Transform3D => VariantType.Transform3d,
MarshalType.Vector4 => VariantType.Vector4,
MarshalType.Vector4i => VariantType.Vector4i,
MarshalType.Projection => VariantType.Projection,
MarshalType.AABB => VariantType.Aabb,
MarshalType.Color => VariantType.Color,
MarshalType.Plane => VariantType.Plane,
MarshalType.Callable => VariantType.Callable,
MarshalType.SignalInfo => VariantType.Signal,
MarshalType.Enum => VariantType.Int,
MarshalType.ByteArray => VariantType.PackedByteArray,
MarshalType.Int32Array => VariantType.PackedInt32Array,
MarshalType.Int64Array => VariantType.PackedInt64Array,
MarshalType.Float32Array => VariantType.PackedFloat32Array,
MarshalType.Float64Array => VariantType.PackedFloat64Array,
MarshalType.StringArray => VariantType.PackedStringArray,
MarshalType.Vector2Array => VariantType.PackedVector2Array,
MarshalType.Vector3Array => VariantType.PackedVector3Array,
MarshalType.ColorArray => VariantType.PackedColorArray,
MarshalType.GodotObjectOrDerivedArray => VariantType.Array,
MarshalType.SystemArrayOfStringName => VariantType.Array,
MarshalType.SystemArrayOfNodePath => VariantType.Array,
MarshalType.SystemArrayOfRID => VariantType.Array,
MarshalType.Variant => VariantType.Nil,
MarshalType.GodotObjectOrDerived => VariantType.Object,
MarshalType.StringName => VariantType.StringName,
MarshalType.NodePath => VariantType.NodePath,
MarshalType.RID => VariantType.Rid,
MarshalType.GodotDictionary => VariantType.Dictionary,
MarshalType.GodotArray => VariantType.Array,
_ => null
};
public static MarshalType? ConvertManagedTypeToMarshalType(ITypeSymbol type, TypeCache typeCache)
{
var specialType = type.SpecialType;
switch (specialType)
{
case SpecialType.System_Boolean:
return MarshalType.Boolean;
case SpecialType.System_Char:
return MarshalType.Char;
case SpecialType.System_SByte:
return MarshalType.SByte;
case SpecialType.System_Int16:
return MarshalType.Int16;
case SpecialType.System_Int32:
return MarshalType.Int32;
case SpecialType.System_Int64:
return MarshalType.Int64;
case SpecialType.System_Byte:
return MarshalType.Byte;
case SpecialType.System_UInt16:
return MarshalType.UInt16;
case SpecialType.System_UInt32:
return MarshalType.UInt32;
case SpecialType.System_UInt64:
return MarshalType.UInt64;
case SpecialType.System_Single:
return MarshalType.Single;
case SpecialType.System_Double:
return MarshalType.Double;
case SpecialType.System_String:
return MarshalType.String;
default:
{
var typeKind = type.TypeKind;
if (typeKind == TypeKind.Enum)
return MarshalType.Enum;
if (typeKind == TypeKind.Struct)
{
if (type.ContainingAssembly.Name == "GodotSharp" &&
type.ContainingNamespace.Name == "Godot")
{
return type switch
{
{ Name: "Vector2" } => MarshalType.Vector2,
{ Name: "Vector2i" } => MarshalType.Vector2i,
{ Name: "Rect2" } => MarshalType.Rect2,
{ Name: "Rect2i" } => MarshalType.Rect2i,
{ Name: "Transform2D" } => MarshalType.Transform2D,
{ Name: "Vector3" } => MarshalType.Vector3,
{ Name: "Vector3i" } => MarshalType.Vector3i,
{ Name: "Basis" } => MarshalType.Basis,
{ Name: "Quaternion" } => MarshalType.Quaternion,
{ Name: "Transform3D" } => MarshalType.Transform3D,
{ Name: "Vector4" } => MarshalType.Vector4,
{ Name: "Vector4i" } => MarshalType.Vector4i,
{ Name: "Projection" } => MarshalType.Projection,
{ Name: "AABB" } => MarshalType.AABB,
{ Name: "Color" } => MarshalType.Color,
{ Name: "Plane" } => MarshalType.Plane,
{ Name: "RID" } => MarshalType.RID,
{ Name: "Callable" } => MarshalType.Callable,
{ Name: "SignalInfo" } => MarshalType.SignalInfo,
{ Name: "Variant" } => MarshalType.Variant,
_ => null
};
}
}
else if (typeKind == TypeKind.Array)
{
var arrayType = (IArrayTypeSymbol)type;
var elementType = arrayType.ElementType;
switch (elementType.SpecialType)
{
case SpecialType.System_Byte:
return MarshalType.ByteArray;
case SpecialType.System_Int32:
return MarshalType.Int32Array;
case SpecialType.System_Int64:
return MarshalType.Int64Array;
case SpecialType.System_Single:
return MarshalType.Float32Array;
case SpecialType.System_Double:
return MarshalType.Float64Array;
case SpecialType.System_String:
return MarshalType.StringArray;
}
if (elementType.SimpleDerivesFrom(typeCache.GodotObjectType))
return MarshalType.GodotObjectOrDerivedArray;
if (elementType.ContainingAssembly.Name == "GodotSharp" &&
elementType.ContainingNamespace.Name == "Godot")
{
switch (elementType)
{
case { Name: "Vector2" }:
return MarshalType.Vector2Array;
case { Name: "Vector3" }:
return MarshalType.Vector3Array;
case { Name: "Color" }:
return MarshalType.ColorArray;
case { Name: "StringName" }:
return MarshalType.SystemArrayOfStringName;
case { Name: "NodePath" }:
return MarshalType.SystemArrayOfNodePath;
case { Name: "RID" }:
return MarshalType.SystemArrayOfRID;
}
}
return null;
}
else
{
if (type.SimpleDerivesFrom(typeCache.GodotObjectType))
return MarshalType.GodotObjectOrDerived;
if (type.ContainingAssembly.Name == "GodotSharp")
{
switch (type.ContainingNamespace.Name)
{
case "Godot":
return type switch
{
{ Name: "StringName" } => MarshalType.StringName,
{ Name: "NodePath" } => MarshalType.NodePath,
_ => null
};
case "Collections"
when !(type is INamedTypeSymbol { IsGenericType: true }) &&
type.ContainingNamespace.FullQualifiedName() ==
"Godot.Collections":
return type switch
{
{ Name: "Dictionary" } => MarshalType.GodotDictionary,
{ Name: "Array" } => MarshalType.GodotArray,
_ => null
};
}
}
}
break;
}
}
return null;
}
private static bool SimpleDerivesFrom(this ITypeSymbol? type, ITypeSymbol candidateBaseType)
{
while (type != null)
{
if (SymbolEqualityComparer.Default.Equals(type, candidateBaseType))
return true;
type = type.BaseType;
}
return false;
}
public static ITypeSymbol? GetArrayElementType(ITypeSymbol typeSymbol)
{
if (typeSymbol.TypeKind == TypeKind.Array)
{
var arrayType = (IArrayTypeSymbol)typeSymbol;
return arrayType.ElementType;
}
if (typeSymbol is INamedTypeSymbol { IsGenericType: true } genericType)
return genericType.TypeArguments.FirstOrDefault();
return null;
}
private static StringBuilder Append(this StringBuilder source, string a, string b)
=> source.Append(a).Append(b);
private static StringBuilder Append(this StringBuilder source, string a, string b, string c)
=> source.Append(a).Append(b).Append(c);
private static StringBuilder Append(this StringBuilder source, string a, string b,
string c, string d)
=> source.Append(a).Append(b).Append(c).Append(d);
private static StringBuilder Append(this StringBuilder source, string a, string b,
string c, string d, string e)
=> source.Append(a).Append(b).Append(c).Append(d).Append(e);
private static StringBuilder Append(this StringBuilder source, string a, string b,
string c, string d, string e, string f)
=> source.Append(a).Append(b).Append(c).Append(d).Append(e).Append(f);
private static StringBuilder Append(this StringBuilder source, string a, string b,
string c, string d, string e, string f, string g)
=> source.Append(a).Append(b).Append(c).Append(d).Append(e).Append(f).Append(g);
private const string VariantUtils = "global::Godot.NativeInterop.VariantUtils";
public static StringBuilder AppendNativeVariantToManagedExpr(this StringBuilder source,
string inputExpr, ITypeSymbol typeSymbol, MarshalType marshalType)
{
return marshalType switch
{
MarshalType.Boolean =>
source.Append(VariantUtils, ".ConvertToBool(", inputExpr, ")"),
MarshalType.Char =>
source.Append("(char)", VariantUtils, ".ConvertToUInt16(", inputExpr, ")"),
MarshalType.SByte =>
source.Append(VariantUtils, ".ConvertToInt8(", inputExpr, ")"),
MarshalType.Int16 =>
source.Append(VariantUtils, ".ConvertToInt16(", inputExpr, ")"),
MarshalType.Int32 =>
source.Append(VariantUtils, ".ConvertToInt32(", inputExpr, ")"),
MarshalType.Int64 =>
source.Append(VariantUtils, ".ConvertToInt64(", inputExpr, ")"),
MarshalType.Byte =>
source.Append(VariantUtils, ".ConvertToUInt8(", inputExpr, ")"),
MarshalType.UInt16 =>
source.Append(VariantUtils, ".ConvertToUInt16(", inputExpr, ")"),
MarshalType.UInt32 =>
source.Append(VariantUtils, ".ConvertToUInt32(", inputExpr, ")"),
MarshalType.UInt64 =>
source.Append(VariantUtils, ".ConvertToUInt64(", inputExpr, ")"),
MarshalType.Single =>
source.Append(VariantUtils, ".ConvertToFloat32(", inputExpr, ")"),
MarshalType.Double =>
source.Append(VariantUtils, ".ConvertToFloat64(", inputExpr, ")"),
MarshalType.String =>
source.Append(VariantUtils, ".ConvertToStringObject(", inputExpr, ")"),
MarshalType.Vector2 =>
source.Append(VariantUtils, ".ConvertToVector2(", inputExpr, ")"),
MarshalType.Vector2i =>
source.Append(VariantUtils, ".ConvertToVector2i(", inputExpr, ")"),
MarshalType.Rect2 =>
source.Append(VariantUtils, ".ConvertToRect2(", inputExpr, ")"),
MarshalType.Rect2i =>
source.Append(VariantUtils, ".ConvertToRect2i(", inputExpr, ")"),
MarshalType.Transform2D =>
source.Append(VariantUtils, ".ConvertToTransform2D(", inputExpr, ")"),
MarshalType.Vector3 =>
source.Append(VariantUtils, ".ConvertToVector3(", inputExpr, ")"),
MarshalType.Vector3i =>
source.Append(VariantUtils, ".ConvertToVector3i(", inputExpr, ")"),
MarshalType.Basis =>
source.Append(VariantUtils, ".ConvertToBasis(", inputExpr, ")"),
MarshalType.Quaternion =>
source.Append(VariantUtils, ".ConvertToQuaternion(", inputExpr, ")"),
MarshalType.Transform3D =>
source.Append(VariantUtils, ".ConvertToTransform3D(", inputExpr, ")"),
MarshalType.Vector4 =>
source.Append(VariantUtils, ".ConvertToVector4(", inputExpr, ")"),
MarshalType.Vector4i =>
source.Append(VariantUtils, ".ConvertToVector4i(", inputExpr, ")"),
MarshalType.Projection =>
source.Append(VariantUtils, ".ConvertToProjection(", inputExpr, ")"),
MarshalType.AABB =>
source.Append(VariantUtils, ".ConvertToAABB(", inputExpr, ")"),
MarshalType.Color =>
source.Append(VariantUtils, ".ConvertToColor(", inputExpr, ")"),
MarshalType.Plane =>
source.Append(VariantUtils, ".ConvertToPlane(", inputExpr, ")"),
MarshalType.Callable =>
source.Append(VariantUtils, ".ConvertToCallableManaged(", inputExpr, ")"),
MarshalType.SignalInfo =>
source.Append(VariantUtils, ".ConvertToSignalInfo(", inputExpr, ")"),
MarshalType.Enum =>
source.Append("(", typeSymbol.FullQualifiedName(),
")", VariantUtils, ".ConvertToInt32(", inputExpr, ")"),
MarshalType.ByteArray =>
source.Append(VariantUtils, ".ConvertAsPackedByteArrayToSystemArray(", inputExpr, ")"),
MarshalType.Int32Array =>
source.Append(VariantUtils, ".ConvertAsPackedInt32ArrayToSystemArray(", inputExpr, ")"),
MarshalType.Int64Array =>
source.Append(VariantUtils, ".ConvertAsPackedInt64ArrayToSystemArray(", inputExpr, ")"),
MarshalType.Float32Array =>
source.Append(VariantUtils, ".ConvertAsPackedFloat32ArrayToSystemArray(", inputExpr, ")"),
MarshalType.Float64Array =>
source.Append(VariantUtils, ".ConvertAsPackedFloat64ArrayToSystemArray(", inputExpr, ")"),
MarshalType.StringArray =>
source.Append(VariantUtils, ".ConvertAsPackedStringArrayToSystemArray(", inputExpr, ")"),
MarshalType.Vector2Array =>
source.Append(VariantUtils, ".ConvertAsPackedVector2ArrayToSystemArray(", inputExpr, ")"),
MarshalType.Vector3Array =>
source.Append(VariantUtils, ".ConvertAsPackedVector3ArrayToSystemArray(", inputExpr, ")"),
MarshalType.ColorArray =>
source.Append(VariantUtils, ".ConvertAsPackedColorArrayToSystemArray(", inputExpr, ")"),
MarshalType.GodotObjectOrDerivedArray =>
source.Append(VariantUtils, ".ConvertToSystemArrayOfGodotObject<",
((IArrayTypeSymbol)typeSymbol).ElementType.FullQualifiedName(), ">(", inputExpr, ")"),
MarshalType.SystemArrayOfStringName =>
source.Append(VariantUtils, ".ConvertToSystemArrayOfStringName(", inputExpr, ")"),
MarshalType.SystemArrayOfNodePath =>
source.Append(VariantUtils, ".ConvertToSystemArrayOfNodePath(", inputExpr, ")"),
MarshalType.SystemArrayOfRID =>
source.Append(VariantUtils, ".ConvertToSystemArrayOfRID(", inputExpr, ")"),
MarshalType.Variant =>
source.Append("global::Godot.Variant.CreateCopyingBorrowed(", inputExpr, ")"),
MarshalType.GodotObjectOrDerived =>
source.Append("(", typeSymbol.FullQualifiedName(),
")", VariantUtils, ".ConvertToGodotObject(", inputExpr, ")"),
MarshalType.StringName =>
source.Append(VariantUtils, ".ConvertToStringNameObject(", inputExpr, ")"),
MarshalType.NodePath =>
source.Append(VariantUtils, ".ConvertToNodePathObject(", inputExpr, ")"),
MarshalType.RID =>
source.Append(VariantUtils, ".ConvertToRID(", inputExpr, ")"),
MarshalType.GodotDictionary =>
source.Append(VariantUtils, ".ConvertToDictionaryObject(", inputExpr, ")"),
MarshalType.GodotArray =>
source.Append(VariantUtils, ".ConvertToArrayObject(", inputExpr, ")"),
_ => throw new ArgumentOutOfRangeException(nameof(marshalType), marshalType,
"Received unexpected marshal type")
};
}
public static StringBuilder AppendManagedToNativeVariantExpr(
this StringBuilder source, string inputExpr, MarshalType marshalType)
{
return marshalType switch
{
MarshalType.Boolean =>
source.Append(VariantUtils, ".CreateFromBool(", inputExpr, ")"),
MarshalType.Char =>
source.Append(VariantUtils, ".CreateFromInt((ushort)", inputExpr, ")"),
MarshalType.SByte =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.Int16 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.Int32 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.Int64 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.Byte =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.UInt16 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.UInt32 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.UInt64 =>
source.Append(VariantUtils, ".CreateFromInt(", inputExpr, ")"),
MarshalType.Single =>
source.Append(VariantUtils, ".CreateFromFloat(", inputExpr, ")"),
MarshalType.Double =>
source.Append(VariantUtils, ".CreateFromFloat(", inputExpr, ")"),
MarshalType.String =>
source.Append(VariantUtils, ".CreateFromString(", inputExpr, ")"),
MarshalType.Vector2 =>
source.Append(VariantUtils, ".CreateFromVector2(", inputExpr, ")"),
MarshalType.Vector2i =>
source.Append(VariantUtils, ".CreateFromVector2i(", inputExpr, ")"),
MarshalType.Rect2 =>
source.Append(VariantUtils, ".CreateFromRect2(", inputExpr, ")"),
MarshalType.Rect2i =>
source.Append(VariantUtils, ".CreateFromRect2i(", inputExpr, ")"),
MarshalType.Transform2D =>
source.Append(VariantUtils, ".CreateFromTransform2D(", inputExpr, ")"),
MarshalType.Vector3 =>
source.Append(VariantUtils, ".CreateFromVector3(", inputExpr, ")"),
MarshalType.Vector3i =>
source.Append(VariantUtils, ".CreateFromVector3i(", inputExpr, ")"),
MarshalType.Basis =>
source.Append(VariantUtils, ".CreateFromBasis(", inputExpr, ")"),
MarshalType.Quaternion =>
source.Append(VariantUtils, ".CreateFromQuaternion(", inputExpr, ")"),
MarshalType.Transform3D =>
source.Append(VariantUtils, ".CreateFromTransform3D(", inputExpr, ")"),
MarshalType.Vector4 =>
source.Append(VariantUtils, ".CreateFromVector4(", inputExpr, ")"),
MarshalType.Vector4i =>
source.Append(VariantUtils, ".CreateFromVector4i(", inputExpr, ")"),
MarshalType.Projection =>
source.Append(VariantUtils, ".CreateFromProjection(", inputExpr, ")"),
MarshalType.AABB =>
source.Append(VariantUtils, ".CreateFromAABB(", inputExpr, ")"),
MarshalType.Color =>
source.Append(VariantUtils, ".CreateFromColor(", inputExpr, ")"),
MarshalType.Plane =>
source.Append(VariantUtils, ".CreateFromPlane(", inputExpr, ")"),
MarshalType.Callable =>
source.Append(VariantUtils, ".CreateFromCallable(", inputExpr, ")"),
MarshalType.SignalInfo =>
source.Append(VariantUtils, ".CreateFromSignalInfo(", inputExpr, ")"),
MarshalType.Enum =>
source.Append(VariantUtils, ".CreateFromInt((int)", inputExpr, ")"),
MarshalType.ByteArray =>
source.Append(VariantUtils, ".CreateFromPackedByteArray(", inputExpr, ")"),
MarshalType.Int32Array =>
source.Append(VariantUtils, ".CreateFromPackedInt32Array(", inputExpr, ")"),
MarshalType.Int64Array =>
source.Append(VariantUtils, ".CreateFromPackedInt64Array(", inputExpr, ")"),
MarshalType.Float32Array =>
source.Append(VariantUtils, ".CreateFromPackedFloat32Array(", inputExpr, ")"),
MarshalType.Float64Array =>
source.Append(VariantUtils, ".CreateFromPackedFloat64Array(", inputExpr, ")"),
MarshalType.StringArray =>
source.Append(VariantUtils, ".CreateFromPackedStringArray(", inputExpr, ")"),
MarshalType.Vector2Array =>
source.Append(VariantUtils, ".CreateFromPackedVector2Array(", inputExpr, ")"),
MarshalType.Vector3Array =>
source.Append(VariantUtils, ".CreateFromPackedVector3Array(", inputExpr, ")"),
MarshalType.ColorArray =>
source.Append(VariantUtils, ".CreateFromPackedColorArray(", inputExpr, ")"),
MarshalType.GodotObjectOrDerivedArray =>
source.Append(VariantUtils, ".CreateFromSystemArrayOfGodotObject(", inputExpr, ")"),
MarshalType.SystemArrayOfStringName =>
source.Append(VariantUtils, ".CreateFromSystemArrayOfStringName(", inputExpr, ")"),
MarshalType.SystemArrayOfNodePath =>
source.Append(VariantUtils, ".CreateFromSystemArrayOfNodePath(", inputExpr, ")"),
MarshalType.SystemArrayOfRID =>
source.Append(VariantUtils, ".CreateFromSystemArrayOfRID(", inputExpr, ")"),
MarshalType.Variant =>
source.Append(inputExpr, ".CopyNativeVariant()"),
MarshalType.GodotObjectOrDerived =>
source.Append(VariantUtils, ".CreateFromGodotObject(", inputExpr, ")"),
MarshalType.StringName =>
source.Append(VariantUtils, ".CreateFromStringName(", inputExpr, ")"),
MarshalType.NodePath =>
source.Append(VariantUtils, ".CreateFromNodePath(", inputExpr, ")"),
MarshalType.RID =>
source.Append(VariantUtils, ".CreateFromRID(", inputExpr, ")"),
MarshalType.GodotDictionary =>
source.Append(VariantUtils, ".CreateFromDictionary(", inputExpr, ")"),
MarshalType.GodotArray =>
source.Append(VariantUtils, ".CreateFromArray(", inputExpr, ")"),
_ => throw new ArgumentOutOfRangeException(nameof(marshalType), marshalType,
"Received unexpected marshal type")
};
}
public static StringBuilder AppendVariantToManagedExpr(this StringBuilder source,
string inputExpr, ITypeSymbol typeSymbol, MarshalType marshalType)
{
return marshalType switch
{
MarshalType.Boolean => source.Append(inputExpr, ".AsBool()"),
MarshalType.Char => source.Append(inputExpr, ".AsChar()"),
MarshalType.SByte => source.Append(inputExpr, ".AsSByte()"),
MarshalType.Int16 => source.Append(inputExpr, ".AsInt16()"),
MarshalType.Int32 => source.Append(inputExpr, ".AsInt32()"),
MarshalType.Int64 => source.Append(inputExpr, ".AsInt64()"),
MarshalType.Byte => source.Append(inputExpr, ".AsByte()"),
MarshalType.UInt16 => source.Append(inputExpr, ".AsUInt16()"),
MarshalType.UInt32 => source.Append(inputExpr, ".AsUInt32()"),
MarshalType.UInt64 => source.Append(inputExpr, ".AsUInt64()"),
MarshalType.Single => source.Append(inputExpr, ".AsSingle()"),
MarshalType.Double => source.Append(inputExpr, ".AsDouble()"),
MarshalType.String => source.Append(inputExpr, ".AsString()"),
MarshalType.Vector2 => source.Append(inputExpr, ".AsVector2()"),
MarshalType.Vector2i => source.Append(inputExpr, ".AsVector2i()"),
MarshalType.Rect2 => source.Append(inputExpr, ".AsRect2()"),
MarshalType.Rect2i => source.Append(inputExpr, ".AsRect2i()"),
MarshalType.Transform2D => source.Append(inputExpr, ".AsTransform2D()"),
MarshalType.Vector3 => source.Append(inputExpr, ".AsVector3()"),
MarshalType.Vector3i => source.Append(inputExpr, ".AsVector3i()"),
MarshalType.Basis => source.Append(inputExpr, ".AsBasis()"),
MarshalType.Quaternion => source.Append(inputExpr, ".AsQuaternion()"),
MarshalType.Transform3D => source.Append(inputExpr, ".AsTransform3D()"),
MarshalType.Vector4 => source.Append(inputExpr, ".AsVector4()"),
MarshalType.Vector4i => source.Append(inputExpr, ".AsVector4i()"),
MarshalType.Projection => source.Append(inputExpr, ".AsProjection()"),
MarshalType.AABB => source.Append(inputExpr, ".AsAABB()"),
MarshalType.Color => source.Append(inputExpr, ".AsColor()"),
MarshalType.Plane => source.Append(inputExpr, ".AsPlane()"),
MarshalType.Callable => source.Append(inputExpr, ".AsCallable()"),
MarshalType.SignalInfo => source.Append(inputExpr, ".AsSignalInfo()"),
MarshalType.Enum =>
source.Append("(", typeSymbol.FullQualifiedName(), ")", inputExpr, ".AsInt64()"),
MarshalType.ByteArray => source.Append(inputExpr, ".AsByteArray()"),
MarshalType.Int32Array => source.Append(inputExpr, ".AsInt32Array()"),
MarshalType.Int64Array => source.Append(inputExpr, ".AsInt64Array()"),
MarshalType.Float32Array => source.Append(inputExpr, ".AsFloat32Array()"),
MarshalType.Float64Array => source.Append(inputExpr, ".AsFloat64Array()"),
MarshalType.StringArray => source.Append(inputExpr, ".AsStringArray()"),
MarshalType.Vector2Array => source.Append(inputExpr, ".AsVector2Array()"),
MarshalType.Vector3Array => source.Append(inputExpr, ".AsVector3Array()"),
MarshalType.ColorArray => source.Append(inputExpr, ".AsColorArray()"),
MarshalType.GodotObjectOrDerivedArray => source.Append(inputExpr, ".AsGodotObjectArray<",
((IArrayTypeSymbol)typeSymbol).ElementType.FullQualifiedName(), ">()"),
MarshalType.SystemArrayOfStringName => source.Append(inputExpr, ".AsSystemArrayOfStringName()"),
MarshalType.SystemArrayOfNodePath => source.Append(inputExpr, ".AsSystemArrayOfNodePath()"),
MarshalType.SystemArrayOfRID => source.Append(inputExpr, ".AsSystemArrayOfRID()"),
MarshalType.Variant => source.Append(inputExpr),
MarshalType.GodotObjectOrDerived => source.Append("(",
typeSymbol.FullQualifiedName(), ")", inputExpr, ".AsGodotObject()"),
MarshalType.StringName => source.Append(inputExpr, ".AsStringName()"),
MarshalType.NodePath => source.Append(inputExpr, ".AsNodePath()"),
MarshalType.RID => source.Append(inputExpr, ".AsRID()"),
MarshalType.GodotDictionary => source.Append(inputExpr, ".AsGodotDictionary()"),
MarshalType.GodotArray => source.Append(inputExpr, ".AsGodotArray()"),
_ => throw new ArgumentOutOfRangeException(nameof(marshalType), marshalType,
"Received unexpected marshal type")
};
}
public static StringBuilder AppendManagedToVariantExpr(this StringBuilder source,
string inputExpr, MarshalType marshalType)
{
switch (marshalType)
{
case MarshalType.Boolean:
case MarshalType.Char:
case MarshalType.SByte:
case MarshalType.Int16:
case MarshalType.Int32:
case MarshalType.Int64:
case MarshalType.Byte:
case MarshalType.UInt16:
case MarshalType.UInt32:
case MarshalType.UInt64:
case MarshalType.Single:
case MarshalType.Double:
case MarshalType.String:
case MarshalType.Vector2:
case MarshalType.Vector2i:
case MarshalType.Rect2:
case MarshalType.Rect2i:
case MarshalType.Transform2D:
case MarshalType.Vector3:
case MarshalType.Vector3i:
case MarshalType.Basis:
case MarshalType.Quaternion:
case MarshalType.Transform3D:
case MarshalType.Vector4:
case MarshalType.Vector4i:
case MarshalType.Projection:
case MarshalType.AABB:
case MarshalType.Color:
case MarshalType.Plane:
case MarshalType.Callable:
case MarshalType.SignalInfo:
case MarshalType.ByteArray:
case MarshalType.Int32Array:
case MarshalType.Int64Array:
case MarshalType.Float32Array:
case MarshalType.Float64Array:
case MarshalType.StringArray:
case MarshalType.Vector2Array:
case MarshalType.Vector3Array:
case MarshalType.ColorArray:
case MarshalType.GodotObjectOrDerivedArray:
case MarshalType.SystemArrayOfStringName:
case MarshalType.SystemArrayOfNodePath:
case MarshalType.SystemArrayOfRID:
case MarshalType.GodotObjectOrDerived:
case MarshalType.StringName:
case MarshalType.NodePath:
case MarshalType.RID:
case MarshalType.GodotDictionary:
case MarshalType.GodotArray:
return source.Append("Variant.CreateFrom(", inputExpr, ")");
case MarshalType.Enum:
return source.Append("Variant.CreateFrom((long)", inputExpr, ")");
case MarshalType.Variant:
return source.Append(inputExpr);
default:
throw new ArgumentOutOfRangeException(nameof(marshalType), marshalType,
"Received unexpected marshal type");
}
}
}
}
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