Fix 'params' (#16)

src/ProxyInterfaceSourceGenerator/Extensions/SymbolExtensions.cs

@@ -5,6 +5,11 @@ namespace ProxyInterfaceSourceGenerator.Extensions
 {
     internal static class SymbolExtensions
     {
+        public static string GetParamsPrefix(this IParameterSymbol ps)
+        {
+            return ps.IsParams ? "params " : string.Empty;
+        }
+
         public static TypeEnum GetTypeEnum(this IPropertySymbol p)
         {
             return GetTypeEnum(p.Type);

src/ProxyInterfaceSourceGenerator/FileGenerators/PartialInterfacesGenerator.cs

@@ -88,15 +88,8 @@ namespace {ns}
                 var methodParameters = new List<string>();
                 foreach (var ps in method.Parameters)
                 {
-                    if (ps.GetTypeEnum() == TypeEnum.Complex)
-                    {
-                        var type = GetParameterType(ps, out _);
-                        methodParameters.Add($"{type} {ps.Name}");
-                    }
-                    else
-                    {
-                        methodParameters.Add($"{ps.Type} {ps.Name}");
-                    }
+                    var type = ps.GetTypeEnum() == TypeEnum.Complex ? GetParameterType(ps, out _) : ps.Type.ToString();
+                    methodParameters.Add($"{ps.GetParamsPrefix()}{type} {ps.Name}");
                 }
 
                 str.AppendLine($"        {GetReplacedType(method.ReturnType, out _)} {method.Name}({string.Join(", ", methodParameters)});");

src/ProxyInterfaceSourceGenerator/FileGenerators/ProxyClassesGenerator.cs

@@ -130,7 +130,7 @@ namespace {ns}
                     if (ps.GetTypeEnum() == TypeEnum.Complex)
                     {
                         var type = GetParameterType(ps, out var isReplaced);
-                        methodParameters.Add($"{type} {ps.Name}");
+                        methodParameters.Add($"{ps.GetParamsPrefix()}{type} {ps.Name}");
 
                         if (isReplaced)
                         {
@@ -143,7 +143,7 @@ namespace {ns}
                     }
                     else
                     {
-                        methodParameters.Add($"{ps.Type} {ps.Name}");
+                        methodParameters.Add($"{ps.GetParamsPrefix()}{ps.Type} {ps.Name}");
 
                         invokeParameters.Add($"{ps.Name}");
                     }