runtime call with ReadOnlySpan params to Array params

test: anonymous_006_args

Author: jakubmisek

src/Peachpie.Runtime/Dynamic/BinderHelpers.cs

@@ -1304,7 +1304,19 @@ public static Expression BindToCall(Expression instance, MethodBase method, Expr
 
                 if (i == ps.Length - 1 && p.IsParamsParameter(out var elementType))
                 {
-                    boundargs[i] = Expression.Convert(args.BindParamsArray(argi, elementType), p.ParameterType);
+                    var arg = args.BindParamsArray(argi, elementType);
+                    if (arg.Type != p.ParameterType)
+                    {
+                        // ReadOnlySpan -> Array
+                        if (arg.Type.IsGenericType && arg.Type.GetGenericTypeDefinition() == typeof(ReadOnlySpan<>) && p.ParameterType.IsArray)
+                        {
+                            arg = Expression.Call(
+                                arg,
+                                arg.Type.GetMethod(nameof(ReadOnlySpan<PhpValue>.ToArray))
+                            );
+                        }
+                    }
+                    boundargs[i] = Expression.Convert(arg, p.ParameterType);
                 }
                 else
                 {

src/Peachpie.Runtime/Dynamic/OverloadBinder.cs

@@ -286,6 +286,7 @@ protected ArgumentsBinder(Expression ctx)
 
             /// <summary>
             /// Bind arguments to array of parameters.
+            /// Can return expression with element_type[] or ReadOnlySpan&lt;element_type&gt;
             /// </summary>
             public abstract Expression BindParamsArray(int fromarg, Type element_type);
 
@@ -460,6 +461,8 @@ public ArgsSpanBinder(Expression ctx, Expression argsarray)
                     _argsarray = argsarray;
                 }
 
+                public Type ElementType => _argsarray.Type.GenericTypeArguments[0];
+
                 public override Expression BindArgsCount()
                 {
                     if (_lazyArgc == null)
@@ -565,8 +568,12 @@ public override Expression BindWriteBack(int targetarg, Expression expression)
 
                 public override Expression BindParamsArray(int fromarg, Type element_type)
                 {
-                    //if (element_type == _argsarray.Type.GetElementType())
-                    //if (true)
+                    var array_element_type = this.ElementType; // PhpValue always
+                    if (array_element_type != element_type)
+                    {
+                        throw new NotImplementedException();
+                    }
+
                     if (fromarg == 0)
                     {
                         return _argsarray;