Lua向C#逻辑迁移 一期 #13

将整个插件代码上传

Plugins/UnrealSharp/Source/UnrealSharpManagedGlue/Exporters/GetterSetterFunctionExporter.cs

@@ -0,0 +1,73 @@
+using EpicGames.Core;
+using EpicGames.UHT.Types;
+using UnrealSharpScriptGenerator.PropertyTranslators;
+using UnrealSharpScriptGenerator.Utilities;
+
+namespace UnrealSharpScriptGenerator.Exporters;
+
+public enum GetterSetterMode
+{
+    Get,
+    Set
+}
+
+public class GetterSetterFunctionExporter : FunctionExporter
+{
+    private readonly UhtProperty _propertyGetterSetter;
+    private readonly GetterSetterMode _getterSetterMode;
+    private string _outParameterName;
+    
+    public static GetterSetterFunctionExporter Create(UhtFunction function, 
+        UhtProperty propertyGetterSetter, 
+        GetterSetterMode getterSetterMode, 
+        EFunctionProtectionMode protectionMode)
+    {
+        GetterSetterFunctionExporter exporter = new GetterSetterFunctionExporter(function, propertyGetterSetter, getterSetterMode);
+        exporter.Initialize(OverloadMode.SuppressOverloads, protectionMode, EBlueprintVisibility.GetterSetter);
+        return exporter;
+    }
+    
+    private GetterSetterFunctionExporter(UhtFunction function, UhtProperty propertyGetterSetter, GetterSetterMode getterSetterMode) : base(function)
+    {
+        _outParameterName = string.Empty;
+        _propertyGetterSetter = propertyGetterSetter;
+        _getterSetterMode = getterSetterMode;
+        
+        Initialize(OverloadMode.SuppressOverloads, EFunctionProtectionMode.OverrideWithInternal, EBlueprintVisibility.GetterSetter);
+    }
+
+    protected override string GetParameterName(UhtProperty parameter)
+    {
+        return _getterSetterMode == GetterSetterMode.Get ? _propertyGetterSetter.GetParameterName() : "value";
+    }
+
+    protected override string MakeOutMarshalDestination(UhtProperty parameter, PropertyTranslator propertyTranslator, GeneratorStringBuilder builder)
+    {
+        _outParameterName = GetParameterName(parameter) + "_Out";
+        builder.AppendLine($"{propertyTranslator.GetManagedType(parameter)} {_outParameterName};");
+        return _outParameterName;
+    }
+
+    protected override void ExportReturnStatement(GeneratorStringBuilder builder)
+    {
+        if (Function.ReturnProperty != null && Function.ReturnProperty.IsSameType(_propertyGetterSetter))
+        {
+            string castOperation = _propertyGetterSetter.HasAllFlags(EPropertyFlags.BlueprintReadOnly) 
+                ? $"({ReturnValueTranslator!.GetManagedType(_propertyGetterSetter)})" : string.Empty;
+            builder.AppendLine($"return {castOperation}returnValue;");
+        }
+        else if (Function.ReturnProperty != null)
+        {
+            // Types differ (e.g., getter returns FText, property bound as string). Still return and rely on
+            // available implicit/user-defined conversions on the managed types (FText -> string, etc.).
+            builder.AppendLine("return returnValue;");
+        }
+        
+        if (string.IsNullOrEmpty(_outParameterName))
+        {
+            return;
+        }
+        
+        builder.AppendLine($"return {_outParameterName};");
+    }
+}