public override Node Evaluate(Env env)
{
int blockIndex = env.MediaBlocks.Count;
env.MediaBlocks.Add(this);
env.MediaPath.Push(this);
env.Frames.Push(Ruleset);
NodeHelper.ExpandNodes<Import>(env, Ruleset.Rules);
env.Frames.Pop();
var features = Features.Evaluate(env);
var ruleset = Ruleset.Evaluate(env) as Ruleset;
var media = new Media(features, ruleset,Extensions).ReducedFrom<Media>(this);
env.MediaPath.Pop();
env.MediaBlocks[blockIndex] = media;
if (env.MediaPath.Count == 0)
{
return media.EvalTop(env);
}
else
{
return media.EvalNested(env, features, ruleset);
}
}
public override Node Evaluate(Env env)
{
int blockIndex = env.MediaBlocks.Count;
env.MediaBlocks.Add(this);
env.MediaPath.Push(this);
var features = Features.Evaluate(env);
var ruleset = Ruleset.Evaluate(env) as Ruleset;
var media = new Media(features, ruleset).ReducedFrom<Media>(this);
env.MediaPath.Pop();
env.MediaBlocks[blockIndex] = media;
if (env.MediaPath.Count == 0)
{
return media.EvalTop(env);
}
else
{
return media.EvalNested(env, features, ruleset);
}
}
