private static Expression ReadVariable(XmlExpressionReader reader)
{
string name = reader.ReadInnerText();
Type type = reader.GetVariableType(name);
return(Variable(type, name));
}
private static ParameterExpression ReadDefineVariable(XmlExpressionReader reader)
{
Type type = reader.ReadAttributeValue <Type>("type");
string name = reader.ReadInnerText();
reader.Context.AddVariable(type, name);
return(Variable(type, name));
}
private static Expression ReadConstant(XmlExpressionReader reader)
{
Type type = reader.ReadAttributeValue <Type>("type");
object value;
var node = reader.Node;
value = reader.ChangeType(node, reader.ReadInnerText(), type);
return(Constant(value, type));
}
private static Expression ReadType(XmlExpressionReader reader)
{
string typeName = reader.ReadInnerText();
Type type = FindType(typeName);
if (type == null)
{
throw new InvalidConvertReadException(reader.Node, typeName, typeof(Type));
}
return(Constant(type, type));
}