private static void ValidateAccessorArgumentTypes(MethodInfo method, ParameterInfo[] indexes, ref ReadOnlyCollection <Expression> arguments)
{
if (indexes.Length > 0)
{
if (indexes.Length != arguments.Count)
{
throw Error.IncorrectNumberOfMethodCallArguments(method);
}
Expression[] newArgs = null;
for (int i = 0, n = indexes.Length; i < n; i++)
{
Expression arg = arguments[i];
ParameterInfo pi = indexes[i];
RequiresCanRead(arg, "arguments");
Type pType = pi.ParameterType;
if (pType.IsByRef)
{
throw Error.AccessorsCannotHaveByRefArgs();
}
TypeUtils.ValidateType(pType);
if (!TypeUtils.AreReferenceAssignable(pType, arg.Type))
{
if (TypeUtils.IsSameOrSubclass(typeof(LambdaExpression), pType) && pType.IsAssignableFrom(arg.GetType()))
{
arg = Expression.Quote(arg);
}
else
{
throw Error.ExpressionTypeDoesNotMatchMethodParameter(arg.Type, pType, method);
}
}
if (newArgs == null && arg != arguments[i])
{
newArgs = new Expression[arguments.Count];
for (int j = 0; j < i; j++)
{
newArgs[j] = arguments[j];
}
}
if (newArgs != null)
{
newArgs[i] = arg;
}
}
if (newArgs != null)
{
arguments = new TrueReadOnlyCollection <Expression>(newArgs);
}
}
else if (arguments.Count > 0)
{
throw Error.IncorrectNumberOfMethodCallArguments(method);
}
}