---input---
@(1+(2+3));

---tokens---
'@('          Literal
'1'           Literal.Number.Integer
'+'           Operator
'('           Punctuation
'2'           Literal.Number.Integer
'+'           Operator
'3'           Literal.Number.Integer
')'           Punctuation
')'           Literal
';'           Punctuation
'\n'          Text.Whitespace
