public static ImportExpression Parse(ExpressionWalker ew)
{
ew.IsCurrentOrThrow(ExpressionToken.Import);
ew.NextOrThrow();
// ReSharper disable once UseObjectOrCollectionInitializer
var ret = new ImportExpression();
if (ew.IsCurrent(ExpressionToken.StringLiteral))
{
ret._matchType = new RegexResult[] { ew.Current.Match.AsResult() };
ret.Type = ew.Current.Match.Value.Trim('\"');
}
else
{
ret._matchType = ew.TakeForwardWhile(t => t.Token == ExpressionToken.Period || t.Token == ExpressionToken.Literal)
.Select(t => t.Match.AsResult()).ToArray();
ret.Type = ret._matchType.Select(m => m.Value).StringJoin();
if (ew.IsCurrent(ExpressionToken.As))
{
ret._matchAlias = ew.Next(ExpressionToken.Literal, true).Match.AsResult();
ret.As = ret._matchAlias.Value;
}
}
ew.Next();
return(ret);
}
