private static Expression CompileObjectAssignment(Obj variable, Base value, Scope scope)
{
var tempName = scope.FreeVariableName("ref");
var expressions1 = new List<Base>
{
new Assign {Variable = NewValue(tempName), Value = value}
};
var propNames = CompileToNames(variable);
var assignments = propNames.Select(prop => new Assign {Variable = NewValue(prop), Value = NewValue(tempName, prop)});
expressions1.AddRange(assignments);
var expressions = expressions1.Select(expr => Compile(expr, scope));
return Expression.Block(expressions);
}
public static Expression CompileChain(Op op, Scope scope)
{
//for a chain we need to convert the second param of the first to a local. then we can do two comparisons and merge them with &&
var first = op.First as Op;
var refName = scope.FreeVariableName("ref");
first.Second = first.Second.Cache(refName);
var fst = Compile(first, scope);
var scd = Compile(new Op {First = first.Second, Second = op.Second, Operator = op.Operator}, scope);
return Expression.Dynamic(
scope.GetRuntime().BinaryOperationBinders.Get(ExpressionType.And),
typeof (object),
fst, scd);
}
