protected override Expression <Func <TFrom, TTo, TTo> > CompileToExpression()
{
var allConversions = this.aConversions.ToList();
var from = Expression.Parameter(typeof(TFrom), "from");
var to = Expression.Parameter(typeof(TTo), "to");
return(Expression.Lambda <Func <TFrom, TTo, TTo> >(
Expression.Block(
Expression.Switch(
typeof(void),
Expression.Call(from, ObjectMethods.GetType()),
Expression.Throw(
Expression.New(
typeof(UnknownMappingException).GetConstructor(new Type[] { typeof(Type), typeof(Type) }),
Expression.Call(from, ObjectMethods.GetType()),
Expression.Constant(typeof(TTo))
)
),
null,
allConversions.Select(x => this.MakeIfConvertSynchronizeStatement(x.From, x.To, x.Mapping.ResolvedMapping, from, to))
),
to
),
from, to
));
}