处理值类型默认值是default的情况

chexiongsheng · chexiongsheng · commit 3fcbb1bdd22e · 2025-06-10T16:03:02.000+08:00
diff --git a/unity/Assets/core/upm/Runtime/Src/PInvoke/Wrapper/ExpressionsWrap.cs b/unity/Assets/core/upm/Runtime/Src/PInvoke/Wrapper/ExpressionsWrap.cs
@@ -851,7 +851,8 @@ private static Expression scriptToNative(CompileContext context, ParameterInfo p
                 var res = scriptToNative(context, parameterInfo.ParameterType, value);
                 if (parameterInfo.HasDefaultValue)
                 {
-                    return Expression.Condition(callPApi(context.Apis, "is_undefined", context.Env, value), Expression.Constant(parameterInfo.DefaultValue, parameterInfo.ParameterType), res);
+                    return Expression.Condition(callPApi(context.Apis, "is_undefined", context.Env, value),
+                        parameterInfo.DefaultValue == null && parameterInfo.ParameterType.IsValueType ? Expression.Default(parameterInfo.ParameterType) : Expression.Constant(parameterInfo.DefaultValue, parameterInfo.ParameterType), res);
                 }
                 else
                 {

Original file line number	Diff line number	Diff line change
`@@ -851,7 +851,8 @@ private static Expression scriptToNative(CompileContext context, ParameterInfo p`
`851`	`851`	`var res = scriptToNative(context, parameterInfo.ParameterType, value);`
`852`	`852`	`if (parameterInfo.HasDefaultValue)`
`853`	`853`	`{`
`854`		`- return Expression.Condition(callPApi(context.Apis, "is_undefined", context.Env, value), Expression.Constant(parameterInfo.DefaultValue, parameterInfo.ParameterType), res);`
	`854`	`+ return Expression.Condition(callPApi(context.Apis, "is_undefined", context.Env, value),`
	`855`	`+ parameterInfo.DefaultValue == null && parameterInfo.ParameterType.IsValueType ? Expression.Default(parameterInfo.ParameterType) : Expression.Constant(parameterInfo.DefaultValue, parameterInfo.ParameterType), res);`
`855`	`856`	`}`
`856`	`857`	`else`
`857`	`858`	`{`