using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Text;
namespace Godot.SourceGenerators
{
[Generator]
public class ScriptPropertiesGenerator : ISourceGenerator
{
public void Initialize(GeneratorInitializationContext context)
{
}
public void Execute(GeneratorExecutionContext context)
{
if (context.IsGodotSourceGeneratorDisabled("ScriptProperties"))
return;
INamedTypeSymbol[] godotClasses = context
.Compilation.SyntaxTrees
.SelectMany(tree =>
tree.GetRoot().DescendantNodes()
.OfType<ClassDeclarationSyntax>()
.SelectGodotScriptClasses(context.Compilation)
// Report and skip non-partial classes
.Where(x =>
{
if (x.cds.IsPartial())
{
if (x.cds.IsNested() && !x.cds.AreAllOuterTypesPartial(out _))
{
return false;
}
return true;
}
return false;
})
.Select(x => x.symbol)
)
.Distinct<INamedTypeSymbol>(SymbolEqualityComparer.Default)
.ToArray();
if (godotClasses.Length > 0)
{
var typeCache = new MarshalUtils.TypeCache(context.Compilation);
foreach (var godotClass in godotClasses)
{
VisitGodotScriptClass(context, typeCache, godotClass);
}
}
}
private static void VisitGodotScriptClass(
GeneratorExecutionContext context,
MarshalUtils.TypeCache typeCache,
INamedTypeSymbol symbol
)
{
INamespaceSymbol namespaceSymbol = symbol.ContainingNamespace;
string classNs = namespaceSymbol != null && !namespaceSymbol.IsGlobalNamespace ?
namespaceSymbol.FullQualifiedNameOmitGlobal() :
string.Empty;
bool hasNamespace = classNs.Length != 0;
bool isInnerClass = symbol.ContainingType != null;
string uniqueHint = symbol.FullQualifiedNameOmitGlobal().SanitizeQualifiedNameForUniqueHint()
+ "_ScriptProperties.generated";
var source = new StringBuilder();
source.Append("using Godot;\n");
source.Append("using Godot.NativeInterop;\n");
source.Append("\n");
if (hasNamespace)
{
source.Append("namespace ");
source.Append(classNs);
source.Append(" {\n\n");
}
if (isInnerClass)
{
var containingType = symbol.ContainingType;
AppendPartialContainingTypeDeclarations(containingType);
void AppendPartialContainingTypeDeclarations(INamedTypeSymbol? containingType)
{
if (containingType == null)
return;
AppendPartialContainingTypeDeclarations(containingType.ContainingType);
source.Append("partial ");
source.Append(containingType.GetDeclarationKeyword());
source.Append(" ");
source.Append(containingType.NameWithTypeParameters());
source.Append("\n{\n");
}
}
source.Append("partial class ");
source.Append(symbol.NameWithTypeParameters());
source.Append("\n{\n");
var members = symbol.GetMembers();
var propertySymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Property)
.Cast<IPropertySymbol>()
.Where(s => !s.IsIndexer && s.ExplicitInterfaceImplementations.Length == 0);
var fieldSymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Field && !s.IsImplicitlyDeclared)
.Cast<IFieldSymbol>();
var godotClassProperties = propertySymbols.WhereIsGodotCompatibleType(typeCache).ToArray();
var godotClassFields = fieldSymbols.WhereIsGodotCompatibleType(typeCache).ToArray();
source.Append("#pragma warning disable CS0109 // Disable warning about redundant 'new' keyword\n");
source.Append(" /// <summary>\n")
.Append(" /// Cached StringNames for the properties and fields contained in this class, for fast lookup.\n")
.Append(" /// </summary>\n");
source.Append(
$" public new class PropertyName : {symbol.BaseType!.FullQualifiedNameIncludeGlobal()}.PropertyName {{\n");
// Generate cached StringNames for methods and properties, for fast lookup
foreach (var property in godotClassProperties)
{
string propertyName = property.PropertySymbol.Name;
source.Append(" /// <summary>\n")
.Append(" /// Cached name for the '")
.Append(propertyName)
.Append("' property.\n")
.Append(" /// </summary>\n");
source.Append(" public new static readonly global::Godot.StringName @");
source.Append(propertyName);
source.Append(" = \"");
source.Append(propertyName);
source.Append("\";\n");
}
foreach (var field in godotClassFields)
{
string fieldName = field.FieldSymbol.Name;
source.Append(" /// <summary>\n")
.Append(" /// Cached name for the '")
.Append(fieldName)
.Append("' field.\n")
.Append(" /// </summary>\n");
source.Append(" public new static readonly global::Godot.StringName @");
source.Append(fieldName);
source.Append(" = \"");
source.Append(fieldName);
source.Append("\";\n");
}
source.Append(" }\n"); // class GodotInternal
if (godotClassProperties.Length > 0 || godotClassFields.Length > 0)
{
// Generate SetGodotClassPropertyValue
bool allPropertiesAreReadOnly = godotClassFields.All(fi => fi.FieldSymbol.IsReadOnly) &&
godotClassProperties.All(pi => pi.PropertySymbol.IsReadOnly || pi.PropertySymbol.SetMethod!.IsInitOnly);
if (!allPropertiesAreReadOnly)
{
source.Append(" /// <inheritdoc/>\n");
source.Append(" [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]\n");
source.Append(" protected override bool SetGodotClassPropertyValue(in godot_string_name name, ");
source.Append("in godot_variant value)\n {\n");
foreach (var property in godotClassProperties)
{
if (property.PropertySymbol.IsReadOnly || property.PropertySymbol.SetMethod!.IsInitOnly)
continue;
GeneratePropertySetter(property.PropertySymbol.Name,
property.PropertySymbol.Type, property.Type, source);
}
foreach (var field in godotClassFields)
{
if (field.FieldSymbol.IsReadOnly)
continue;
GeneratePropertySetter(field.FieldSymbol.Name,
field.FieldSymbol.Type, field.Type, source);
}
source.Append(" return base.SetGodotClassPropertyValue(name, value);\n");
source.Append(" }\n");
}
// Generate GetGodotClassPropertyValue
bool allPropertiesAreWriteOnly = godotClassFields.Length == 0 && godotClassProperties.All(pi => pi.PropertySymbol.IsWriteOnly);
if (!allPropertiesAreWriteOnly)
{
source.Append(" /// <inheritdoc/>\n");
source.Append(" [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]\n");
source.Append(" protected override bool GetGodotClassPropertyValue(in godot_string_name name, ");
source.Append("out godot_variant value)\n {\n");
foreach (var property in godotClassProperties)
{
if (property.PropertySymbol.IsWriteOnly)
continue;
GeneratePropertyGetter(property.PropertySymbol.Name,
property.PropertySymbol.Type, property.Type, source);
}
foreach (var field in godotClassFields)
{
GeneratePropertyGetter(field.FieldSymbol.Name,
field.FieldSymbol.Type, field.Type, source);
}
source.Append(" return base.GetGodotClassPropertyValue(name, out value);\n");
source.Append(" }\n");
}
// Generate GetGodotPropertyList
const string DictionaryType = "global::System.Collections.Generic.List<global::Godot.Bridge.PropertyInfo>";
source.Append(" /// <summary>\n")
.Append(" /// Get the property information for all the properties declared in this class.\n")
.Append(" /// This method is used by Godot to register the available properties in the editor.\n")
.Append(" /// Do not call this method.\n")
.Append(" /// </summary>\n");
source.Append(" [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]\n");
source.Append(" internal new static ")
.Append(DictionaryType)
.Append(" GetGodotPropertyList()\n {\n");
source.Append(" var properties = new ")
.Append(DictionaryType)
.Append("();\n");
// To retain the definition order (and display categories correctly), we want to
// iterate over fields and properties at the same time, sorted by line number.
var godotClassPropertiesAndFields = Enumerable.Empty<GodotPropertyOrFieldData>()
.Concat(godotClassProperties.Select(propertyData => new GodotPropertyOrFieldData(propertyData)))
.Concat(godotClassFields.Select(fieldData => new GodotPropertyOrFieldData(fieldData)))
.OrderBy(data => data.Symbol.Locations[0].Path())
.ThenBy(data => data.Symbol.Locations[0].StartLine());
foreach (var member in godotClassPropertiesAndFields)
{
foreach (var groupingInfo in DetermineGroupingPropertyInfo(member.Symbol))
AppendGroupingPropertyInfo(source, groupingInfo);
var propertyInfo = DeterminePropertyInfo(context, typeCache,
member.Symbol, member.Type);
if (propertyInfo == null)
continue;
AppendPropertyInfo(source, propertyInfo.Value);
}
source.Append(" return properties;\n");
source.Append(" }\n");
source.Append("#pragma warning restore CS0109\n");
}
source.Append("}\n"); // partial class
if (isInnerClass)
{
var containingType = symbol.ContainingType;
while (containingType != null)
{
source.Append("}\n"); // outer class
containingType = containingType.ContainingType;
}
}
if (hasNamespace)
{
source.Append("\n}\n");
}
context.AddSource(uniqueHint, SourceText.From(source.ToString(), Encoding.UTF8));
}
private static void GeneratePropertySetter(
string propertyMemberName,
ITypeSymbol propertyTypeSymbol,
MarshalType propertyMarshalType,
StringBuilder source
)
{
source.Append(" ");
source.Append("if (name == PropertyName.@")
.Append(propertyMemberName)
.Append(") {\n")
.Append(" this.@")
.Append(propertyMemberName)
.Append(" = ")
.AppendNativeVariantToManagedExpr("value", propertyTypeSymbol, propertyMarshalType)
.Append(";\n")
.Append(" return true;\n")
.Append(" }\n");
}
private static void GeneratePropertyGetter(
string propertyMemberName,
ITypeSymbol propertyTypeSymbol,
MarshalType propertyMarshalType,
StringBuilder source
)
{
source.Append(" ");
source.Append("if (name == PropertyName.@")
.Append(propertyMemberName)
.Append(") {\n")
.Append(" value = ")
.AppendManagedToNativeVariantExpr("this.@" + propertyMemberName,
propertyTypeSymbol, propertyMarshalType)
.Append(";\n")
.Append(" return true;\n")
.Append(" }\n");
}
private static void AppendGroupingPropertyInfo(StringBuilder source, PropertyInfo propertyInfo)
{
source.Append(" properties.Add(new(type: (global::Godot.Variant.Type)")
.Append((int)VariantType.Nil)
.Append(", name: \"")
.Append(propertyInfo.Name)
.Append("\", hint: (global::Godot.PropertyHint)")
.Append((int)PropertyHint.None)
.Append(", hintString: \"")
.Append(propertyInfo.HintString)
.Append("\", usage: (global::Godot.PropertyUsageFlags)")
.Append((int)propertyInfo.Usage)
.Append(", exported: true));\n");
}
private static void AppendPropertyInfo(StringBuilder source, PropertyInfo propertyInfo)
{
source.Append(" properties.Add(new(type: (global::Godot.Variant.Type)")
.Append((int)propertyInfo.Type)
.Append(", name: PropertyName.@")
.Append(propertyInfo.Name)
.Append(", hint: (global::Godot.PropertyHint)")
.Append((int)propertyInfo.Hint)
.Append(", hintString: \"")
.Append(propertyInfo.HintString)
.Append("\", usage: (global::Godot.PropertyUsageFlags)")
.Append((int)propertyInfo.Usage)
.Append(", exported: ")
.Append(propertyInfo.Exported ? "true" : "false")
.Append("));\n");
}
private static IEnumerable<PropertyInfo> DetermineGroupingPropertyInfo(ISymbol memberSymbol)
{
foreach (var attr in memberSymbol.GetAttributes())
{
PropertyUsageFlags? propertyUsage = attr.AttributeClass?.FullQualifiedNameOmitGlobal() switch
{
GodotClasses.ExportCategoryAttr => PropertyUsageFlags.Category,
GodotClasses.ExportGroupAttr => PropertyUsageFlags.Group,
GodotClasses.ExportSubgroupAttr => PropertyUsageFlags.Subgroup,
_ => null
};
if (propertyUsage is null)
continue;
if (attr.ConstructorArguments.Length > 0 && attr.ConstructorArguments[0].Value is string name)
{
string? hintString = null;
if (propertyUsage != PropertyUsageFlags.Category && attr.ConstructorArguments.Length > 1)
hintString = attr.ConstructorArguments[1].Value?.ToString();
yield return new PropertyInfo(VariantType.Nil, name, PropertyHint.None, hintString,
propertyUsage.Value, true);
}
}
}
private static PropertyInfo? DeterminePropertyInfo(
GeneratorExecutionContext context,
MarshalUtils.TypeCache typeCache,
ISymbol memberSymbol,
MarshalType marshalType
)
{
var exportAttr = memberSymbol.GetAttributes()
.FirstOrDefault(a => a.AttributeClass?.IsGodotExportAttribute() ?? false);
var propertySymbol = memberSymbol as IPropertySymbol;
var fieldSymbol = memberSymbol as IFieldSymbol;
if (exportAttr != null && propertySymbol != null)
{
if (propertySymbol.GetMethod == null)
{
// This should never happen, as we filtered WriteOnly properties, but just in case.
context.ReportDiagnostic(Diagnostic.Create(
Common.ExportedPropertyIsWriteOnlyRule,
propertySymbol.Locations.FirstLocationWithSourceTreeOrDefault(),
propertySymbol.ToDisplayString()
));
return null;
}
if (propertySymbol.SetMethod == null || propertySymbol.SetMethod.IsInitOnly)
{
// This should never happen, as we filtered ReadOnly properties, but just in case.
context.ReportDiagnostic(Diagnostic.Create(
Common.ExportedMemberIsReadOnlyRule,
propertySymbol.Locations.FirstLocationWithSourceTreeOrDefault(),
propertySymbol.ToDisplayString()
));
return null;
}
}
var memberType = propertySymbol?.Type ?? fieldSymbol!.Type;
var memberVariantType = MarshalUtils.ConvertMarshalTypeToVariantType(marshalType)!.Value;
string memberName = memberSymbol.Name;
if (exportAttr == null)
{
return new PropertyInfo(memberVariantType, memberName, PropertyHint.None,
hintString: null, PropertyUsageFlags.ScriptVariable, exported: false);
}
if (!TryGetMemberExportHint(typeCache, memberType, exportAttr, memberVariantType,
isTypeArgument: false, out var hint, out var hintString))
{
var constructorArguments = exportAttr.ConstructorArguments;
if (constructorArguments.Length > 0)
{
var hintValue = exportAttr.ConstructorArguments[0].Value;
hint = hintValue switch
{
null => PropertyHint.None,
int intValue => (PropertyHint)intValue,
_ => (PropertyHint)(long)hintValue
};
hintString = constructorArguments.Length > 1 ?
exportAttr.ConstructorArguments[1].Value?.ToString() :
null;
}
else
{
hint = PropertyHint.None;
}
}
var propUsage = PropertyUsageFlags.Default | PropertyUsageFlags.ScriptVariable;
if (memberVariantType == VariantType.Nil)
propUsage |= PropertyUsageFlags.NilIsVariant;
return new PropertyInfo(memberVariantType, memberName,
hint, hintString, propUsage, exported: true);
}
private static bool TryGetMemberExportHint(
MarshalUtils.TypeCache typeCache,
ITypeSymbol type, AttributeData exportAttr,
VariantType variantType, bool isTypeArgument,
out PropertyHint hint, out string? hintString
)
{
hint = PropertyHint.None;
hintString = null;
if (variantType == VariantType.Nil)
return true; // Variant, no export hint
if (variantType == VariantType.Int &&
type.IsValueType && type.TypeKind == TypeKind.Enum)
{
bool hasFlagsAttr = type.GetAttributes()
.Any(a => a.AttributeClass?.IsSystemFlagsAttribute() ?? false);
hint = hasFlagsAttr ? PropertyHint.Flags : PropertyHint.Enum;
var members = type.GetMembers();
var enumFields = members
.Where(s => s.Kind == SymbolKind.Field && s.IsStatic &&
s.DeclaredAccessibility == Accessibility.Public &&
!s.IsImplicitlyDeclared)
.Cast<IFieldSymbol>().ToArray();
var hintStringBuilder = new StringBuilder();
var nameOnlyHintStringBuilder = new StringBuilder();
// True: enum Foo { Bar, Baz, Qux }
// True: enum Foo { Bar = 0, Baz = 1, Qux = 2 }
// False: enum Foo { Bar = 0, Baz = 7, Qux = 5 }
bool usesDefaultValues = true;
for (int i = 0; i < enumFields.Length; i++)
{
var enumField = enumFields[i];
if (i > 0)
{
hintStringBuilder.Append(",");
nameOnlyHintStringBuilder.Append(",");
}
string enumFieldName = enumField.Name;
hintStringBuilder.Append(enumFieldName);
nameOnlyHintStringBuilder.Append(enumFieldName);
long val = enumField.ConstantValue switch
{
sbyte v => v,
short v => v,
int v => v,
long v => v,
byte v => v,
ushort v => v,
uint v => v,
ulong v => (long)v,
_ => 0
};
uint expectedVal = (uint)(hint == PropertyHint.Flags ? 1 << i : i);
if (val != expectedVal)
usesDefaultValues = false;
hintStringBuilder.Append(":");
hintStringBuilder.Append(val);
}
hintString = !usesDefaultValues ?
hintStringBuilder.ToString() :
// If we use the format NAME:VAL, that's what the editor displays.
// That's annoying if the user is not using custom values for the enum constants.
// This may not be needed in the future if the editor is changed to not display values.
nameOnlyHintStringBuilder.ToString();
return true;
}
if (variantType == VariantType.Object && type is INamedTypeSymbol memberNamedType)
{
if (TryGetNodeOrResourceType(exportAttr, out hint, out hintString))
{
return true;
}
if (memberNamedType.InheritsFrom("GodotSharp", "Godot.Resource"))
{
hint = PropertyHint.ResourceType;
hintString = GetTypeName(memberNamedType);
return true;
}
if (memberNamedType.InheritsFrom("GodotSharp", "Godot.Node"))
{
hint = PropertyHint.NodeType;
hintString = GetTypeName(memberNamedType);
return true;
}
}
static bool TryGetNodeOrResourceType(AttributeData exportAttr, out PropertyHint hint, out string? hintString)
{
hint = PropertyHint.None;
hintString = null;
if (exportAttr.ConstructorArguments.Length <= 1) return false;
var hintValue = exportAttr.ConstructorArguments[0].Value;
var hintEnum = hintValue switch
{
null => PropertyHint.None,
int intValue => (PropertyHint)intValue,
_ => (PropertyHint)(long)hintValue
};
if (!hintEnum.HasFlag(PropertyHint.NodeType) && !hintEnum.HasFlag(PropertyHint.ResourceType))
return false;
var hintStringValue = exportAttr.ConstructorArguments[1].Value?.ToString();
if (string.IsNullOrWhiteSpace(hintStringValue))
{
return false;
}
hint = hintEnum;
hintString = hintStringValue;
return true;
}
static string GetTypeName(INamedTypeSymbol memberSymbol)
{
if (memberSymbol.GetAttributes()
.Any(a => a.AttributeClass?.IsGodotGlobalClassAttribute() ?? false))
{
return memberSymbol.Name;
}
return memberSymbol.GetGodotScriptNativeClassName()!;
}
static bool GetStringArrayEnumHint(VariantType elementVariantType,
AttributeData exportAttr, out string? hintString)
{
var constructorArguments = exportAttr.ConstructorArguments;
if (constructorArguments.Length > 0)
{
var presetHintValue = exportAttr.ConstructorArguments[0].Value;
PropertyHint presetHint = presetHintValue switch
{
null => PropertyHint.None,
int intValue => (PropertyHint)intValue,
_ => (PropertyHint)(long)presetHintValue
};
if (presetHint == PropertyHint.Enum)
{
string? presetHintString = constructorArguments.Length > 1 ?
exportAttr.ConstructorArguments[1].Value?.ToString() :
null;
hintString = (int)elementVariantType + "/" + (int)PropertyHint.Enum + ":";
if (presetHintString != null)
hintString += presetHintString;
return true;
}
}
hintString = null;
return false;
}
if (!isTypeArgument && variantType == VariantType.Array)
{
var elementType = MarshalUtils.GetArrayElementType(type);
if (elementType == null)
return false; // Non-generic Array, so there's no hint to add.
if (elementType.TypeKind == TypeKind.TypeParameter)
return false; // The generic is not constructed, we can't really hint anything.
var elementMarshalType = MarshalUtils.ConvertManagedTypeToMarshalType(elementType, typeCache)!.Value;
var elementVariantType = MarshalUtils.ConvertMarshalTypeToVariantType(elementMarshalType)!.Value;
bool isPresetHint = false;
if (elementVariantType == VariantType.String || elementVariantType == VariantType.StringName)
isPresetHint = GetStringArrayEnumHint(elementVariantType, exportAttr, out hintString);
if (!isPresetHint)
{
bool hintRes = TryGetMemberExportHint(typeCache, elementType,
exportAttr, elementVariantType, isTypeArgument: true,
out var elementHint, out var elementHintString);
// Format: type/hint:hint_string
if (hintRes)
{
hintString = (int)elementVariantType + "/" + (int)elementHint + ":";
if (elementHintString != null)
hintString += elementHintString;
}
else
{
hintString = (int)elementVariantType + "/" + (int)PropertyHint.None + ":";
}
}
hint = PropertyHint.TypeString;
return hintString != null;
}
if (!isTypeArgument && variantType == VariantType.PackedStringArray)
{
if (GetStringArrayEnumHint(VariantType.String, exportAttr, out hintString))
{
hint = PropertyHint.TypeString;
return true;
}
}
if (!isTypeArgument && variantType == VariantType.Dictionary)
{
var elementTypes = MarshalUtils.GetGenericElementTypes(type);
if (elementTypes == null)
return false; // Non-generic Dictionary, so there's no hint to add
Debug.Assert(elementTypes.Length == 2);
var keyElementMarshalType = MarshalUtils.ConvertManagedTypeToMarshalType(elementTypes[0], typeCache)!.Value;
var keyElementVariantType = MarshalUtils.ConvertMarshalTypeToVariantType(keyElementMarshalType)!.Value;
var keyIsPresetHint = false;
var keyHintString = (string?)null;
if (keyElementVariantType == VariantType.String || keyElementVariantType == VariantType.StringName)
keyIsPresetHint = GetStringArrayEnumHint(keyElementVariantType, exportAttr, out keyHintString);
if (!keyIsPresetHint)
{
bool hintRes = TryGetMemberExportHint(typeCache, elementTypes[0],
exportAttr, keyElementVariantType, isTypeArgument: true,
out var keyElementHint, out var keyElementHintString);
// Format: type/hint:hint_string
if (hintRes)
{
keyHintString = (int)keyElementVariantType + "/" + (int)keyElementHint + ":";
if (keyElementHintString != null)
keyHintString += keyElementHintString;
}
else
{
keyHintString = (int)keyElementVariantType + "/" + (int)PropertyHint.None + ":";
}
}
var valueElementMarshalType = MarshalUtils.ConvertManagedTypeToMarshalType(elementTypes[1], typeCache)!.Value;
var valueElementVariantType = MarshalUtils.ConvertMarshalTypeToVariantType(valueElementMarshalType)!.Value;
var valueIsPresetHint = false;
var valueHintString = (string?)null;
if (valueElementVariantType == VariantType.String || valueElementVariantType == VariantType.StringName)
valueIsPresetHint = GetStringArrayEnumHint(valueElementVariantType, exportAttr, out valueHintString);
if (!valueIsPresetHint)
{
bool hintRes = TryGetMemberExportHint(typeCache, elementTypes[1],
exportAttr, valueElementVariantType, isTypeArgument: true,
out var valueElementHint, out var valueElementHintString);
// Format: type/hint:hint_string
if (hintRes)
{
valueHintString = (int)valueElementVariantType + "/" + (int)valueElementHint + ":";
if (valueElementHintString != null)
valueHintString += valueElementHintString;
}
else
{
valueHintString = (int)valueElementVariantType + "/" + (int)PropertyHint.None + ":";
}
}
hint = PropertyHint.TypeString;
hintString = keyHintString != null && valueHintString != null ? $"{keyHintString};{valueHintString}" : null;
return hintString != null;
}
return false;
}
}
}
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