private Symbol ProcessAliasedQuerySource(VerificationContext context, HeD.Engine.Model.Node source)
{
var sourceAlias = source.GetAttribute<String>("alias");
var sourceExpression = source.Children[0] as ASTNode;
if (sourceExpression == null)
{
throw new InvalidOperationException(String.Format("Could not determine source expression for alias '{0}'.", sourceAlias));
}
Verifier.Verify(context, sourceExpression);
return new Symbol(sourceAlias, sourceExpression.ResultType);
}
public void Verify(VerificationContext context, HeD.Engine.Model.ASTNode node)
{
// TODO: Implement generic identifier resolution. In theory, this isn't necessary because the CQL-to-ELM translator should never spit out this type of node.
throw new InvalidOperationException(String.Format("Could not resolve identifier {0}{1}.", node.GetAttribute<String>("libraryName") ?? "", node.GetAttribute<String>("name")));
}
