private static Func <object[], object> EmitDelegateFromExpression(Expression expr)
{
var method = new DynamicMethod("CreateA", typeof(object), new[] { typeof(object[]) });
var il = method.GetILGenerator();
var ok = EmittingVisitor.TryVisit(expr, il);
il.Emit(OpCodes.Ret);
return((Func <object[], object>)method.CreateDelegate(typeof(Func <object[], object>)));
}
static partial void CompileToDelegate(Expression expression, ref FactoryDelegate result)
{
var method = new DynamicMethod(string.Empty,
typeof(object), _factoryDelegateArgTypes,
typeof(Container).Module, skipVisibility: true);
var il = method.GetILGenerator();
var emitted = EmittingVisitor.TryVisit(expression, il);
if (emitted)
{
il.Emit(OpCodes.Ret);
result = (FactoryDelegate)method.CreateDelegate(typeof(FactoryDelegate));
}
}
