Func <object, object, bool> GetSortFunc(Runtime.TjsContext context, object func)
{
if (context != null)
{
if (_sortFuncInvokeSite == null)
{
System.Threading.Interlocked.CompareExchange(
ref _sortFuncInvokeSite,
CallSite <Func <CallSite, object, object, object, object> > .Create(context.CreateInvokeBinder(new CallSignature(3))),
null
);
}
return((x, y) => context.Convert <bool>(_sortFuncInvokeSite.Target(_sortFuncInvokeSite, func, x, y)));
}
else
{
var deleg = func as Delegate;
if (deleg != null)
{
if (context != null)
{
return((x, y) => context.Convert <bool>(deleg.DynamicInvoke(x, y)));
}
else
{
return((x, y) => (bool)Runtime.Binding.TjsBinder.ConvertInternal(deleg.DynamicInvoke(x, y), typeof(bool)));
}
}
return(null);
}
}
public System.Linq.Expressions.Expression TransformRead(Runtime.TjsContext context)
{
return(System.Linq.Expressions.Expression.New((System.Reflection.ConstructorInfo)Utils.GetMember(() => new KeyValuePair <string, object>(null, null)),
Runtime.Binding.Binders.Convert(context, Key.TransformRead(), typeof(string)),
Runtime.Binding.Binders.Convert(context, Value.TransformRead(), typeof(object))
));
}
internal static System.Linq.Expressions.Expression TransformSimpleOperation(Runtime.TjsContext context, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, BinaryOperator binary)
{
if (binary == BinaryOperator.Assign)
{
return(right);
}
else if (binary == BinaryOperator.AndAlso || binary == BinaryOperator.AndAlsoAssign)
{
var v = System.Linq.Expressions.Expression.Variable(typeof(object));
return(System.Linq.Expressions.Expression.Block(new[] { v },
System.Linq.Expressions.Expression.Assign(v, left),
System.Linq.Expressions.Expression.Condition(Binders.Convert(context, v, typeof(bool)), right, v)
));
}
else if (binary == BinaryOperator.OrElse || binary == BinaryOperator.OrElseAssign)
{
var v = System.Linq.Expressions.Expression.Variable(typeof(object));
return(System.Linq.Expressions.Expression.Block(new[] { v },
System.Linq.Expressions.Expression.Assign(v, left),
System.Linq.Expressions.Expression.Condition(Binders.Convert(context, v, typeof(bool)), v, right)
));
}
else
{
return(DoBinaryOperation(context, left, right, binary));
}
}
static System.Linq.Expressions.Expression DoUnaryOperation(Runtime.TjsContext context, UnaryOperator operation, params System.Linq.Expressions.Expression[] args)
{
var res = DistributeOperation(operation);
if (res.IsStandardOperation)
{
return(System.Linq.Expressions.Expression.Dynamic(context.CreateUnaryOperationBinder(res.ExpressionType), typeof(object), args));
}
else
{
return(System.Linq.Expressions.Expression.Dynamic(context.CreateOperationBinder(res.OperationKind), typeof(object), args));
}
}
static System.Linq.Expressions.Expression DoBinaryOperation(Runtime.TjsContext context, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, BinaryOperator operation)
{
var res = DistributeOperation(operation);
if (res.IsStandardOperation)
{
return(System.Linq.Expressions.Expression.Dynamic(context.CreateBinaryOperationBinder(res.ExpressionType), typeof(object), left, right));
}
else
{
return(System.Linq.Expressions.Expression.Dynamic(context.CreateOperationBinder(res.OperationKind), typeof(object), left, right));
}
}
