internal static IEnumerable <ASTNode> ParseUntilFailure(JinjaEnvironment environment, Lexer lexer, ILookaroundEnumerator <ParsingNode> enumerator)
{
do
{
ASTNode?astNode = default;
switch (enumerator.Current.NodeType)
{
case ParsingNodeType.Statement:
StatementNode.TryParse(environment, lexer, enumerator, out astNode);
break;
case ParsingNodeType.NewLine:
astNode = new NewLineNode(enumerator.Current);
break;
case ParsingNodeType.Comment:
astNode = new CommentNode(enumerator.Current);
break;
case ParsingNodeType.WhiteSpace:
astNode = WhiteSpaceNode.Parse(enumerator);
break;
case ParsingNodeType.Expression:
if (ExpressionNode.TryParse(environment, enumerator, out astNode) == false)
{
throw new NotImplementedException();
}
break;
case ParsingNodeType.Output:
astNode = new OutputNode(enumerator.Current);
break;
}
if (astNode == default)
{
yield break;
}
yield return(astNode);
} while (enumerator.MoveNext());
}
