Boo.Lang.Compiler.Ast.Block.Add C# (CSharp) Method

        public void Add(Block block)
        {
            this.Statements.Extend(block.Statements);
        }

		public Statement Expand(IEnumerable<Node> generator)
		{
			Block resultingBlock = new Block();
			foreach (Node node in generator)
			{
				//'yield' (ie. implicit 'yield null') means 'yield `macro`.Body'
				Node generatedNode = node ?? _node.Body;
				if (null == generatedNode)
					continue;

				TypeMember member = generatedNode as TypeMember;
				if (null != member)
				{
					ExpandTypeMember(member, resultingBlock);
					continue;
				}

				Block block = generatedNode as Block;
				if (null != block)
				{
					resultingBlock.Add(block);
					continue;
				}

				Statement statement = generatedNode as Statement;
				if (null != statement)
				{
					resultingBlock.Add(statement);
					continue;
				}

				Expression expression = generatedNode as Expression;
				if (null != expression)
				{
					resultingBlock.Add(expression);
					continue;
				}

				Import import = generatedNode as Import;
				if (null != import)
				{
					ExpandImport(import);
					continue;
				}

				throw new CompilerError(_node, "Unsupported expansion: " + generatedNode.ToCodeString());
			}

			return resultingBlock.IsEmpty
					? null
					: resultingBlock.Simplify();
		}