/// <summary>
/// Reconstructors a label registration from a JSON representation.
/// </summary>
/// <param name="label">JSON representation of a label registration.</param>
/// <param name="types">Type space to look up label types.</param>
/// <returns>Label registration corresponding to the JSON representation.</returns>
public static LabelTarget FromJson(Json.Expression label, TypeSpace types)
{
var jo = (Json.ObjectExpression)label;
var type = types.Lookup(TypeRef.FromJson(jo.Members["Type"]));
var name = (string)((Json.ConstantExpression)jo.Members["Name"]).Value;
return(Expression.Label(type, name));
}
/// <summary>
/// Creates a deserialization frame from the given JSON representation.
/// </summary>
/// <param name="json">JSON representation of a frame.</param>
/// <param name="types">Type space used to lookup parameter types.</param>
public DeserializationFrame(Json.Expression json, TypeSpace types)
{
_parameters = new List <ParameterExpression>();
_mapping = new Dictionary <string, ParameterExpression>();
foreach (Json.ObjectExpression p in ((Json.ArrayExpression)json).Elements)
{
//
// Note: keep in sync with SerializationFrame::ToJson code.
//
Add(
(string)((Json.ConstantExpression)p.Members["Name"]).Value,
types.Lookup(TypeRef.FromJson(p.Members["Type"])),
(string)((Json.ConstantExpression)p.Members["FriendlyName"]).Value
);
}
}
