private ListExpression ParseListExpression(char listEndingCharacter, ListBracketsType listType)
{
var contents = new List <Expression>();
while (true)
{
SkipWhitespace();
if (EndOfFile)
{
throw new InvalidDataException("Unexpected EOF while parsing list expression.");
}
if (CurrentCharacter == listEndingCharacter)
{
MoveToNextCharacter();
break;
}
contents.Add(ParseExpression());
}
return(new ListExpression(listType, contents));
}
/// <summary>
/// Create new List S-Expression.
/// </summary>
/// <param name="t">List type (round, square or curly).</param>
/// <param name="c">Expressions within list.</param>
public ListExpression(ListBracketsType t, [NotNull] List <Expression> c)
{
Type = t;
Contents = c;
}
public ParserListType(char o, char c, ListBracketsType t)
{
OpenBrace = o;
ClosedBrace = c;
Type = t;
}
private static void AssertList(ListExpression l, ListBracketsType type, int contentsCount)
{
Assert.AreNotEqual(l, null);
Assert.AreEqual(l.Type, type);
Assert.AreEqual(l.Contents.Count, contentsCount);
}
