public INode Build(INodeFactory nodeFactory, PseudoList defblocks)
{
if (defblocks == null)
{
throw new ArgumentNullException(nameof(defblocks));
}
_nodeFactory = nodeFactory ?? throw new ArgumentNullException(nameof(nodeFactory));
_defblocks = defblocks.ToDictionary(
x => x.GetSingleKeywordArgument <Symbol>(":name").Name,
x => x.AsPseudoList());
var topBlocks = _defblocks
.Values
.Where(x => x.GetSingleArgumentAsBool(":is-top") == true)
.ToList();
if (topBlocks.Count == 0)
{
throw new BuildingException("No top defblocks defined.");
}
if (topBlocks.Count > 1)
{
throw new BuildingException("More than one top defblock defined.");
}
var topBlock = topBlocks[0];
var topBlockContent = topBlock.GetFreeArguments();
var result = this.BuildContent(topBlockContent);
return(result.Head.GetNode());
}
