protected override Expression VisitMethodCall(MethodCallExpression node)
{
var method = node.Method;
var property = PropertyInfoEx.Property(method);
if (property == null)
{
return(base.VisitMethodCall(node));
}
// rewrite...
var instance = Visit(node.Object);
var isSet = ReferenceEquals(property.SetMethod, method);
if (!isSet)
{
if (node.Arguments.Count == 0)
{
return(instance.Property(property));
}
return(instance.Property(property, node.Arguments.Select(Visit)));
}
// set method =\
// last argument is value, other - index
if (node.Arguments.Count == 1)
{
return(instance.Property(property).Assign(Visit(node.Arguments[0])));
}
return(instance.Property(property, node.Arguments.Take(node.Arguments.Count - 1).Select(Visit))
.Assign(node.Arguments[node.Arguments.Count - 1]));
}
public void PropertyFromMethodWorks()
{
var prop = typeof(MultiIndexed).Property("Item", typeof(int));
var method = prop.GetGetMethod();
Assert.Equal(prop, PropertyInfoEx.Property(method));
Assert.Null(PropertyInfoEx.Property(typeof(PropertyInfoExTests).GetTypeInfo().GetMethod("PropertyFromMethodWorks")));
}