testinput_invalid.txt

parser in C++~~~~~~~~~~~~

()
(2)
(+ a)
(+ 1 + 1.1)
(+ 1 (2.2) 3)
(if)
(if 0)
(if 1 (2) 3)
(if 1 2 3 4)
(ceiling)
(ceiling 5)
(ceiling a)
(ceiling (5.5))
(ceiling 1.1 2.2)
(+ (if a b))
(+ 1 (if a b) 1.1)
(+ 1.1 (ceiling 7) 2.2 5)
(ceiling (ceiling 5.5))
(ceiling (+ 1 1))
(ceiling (if 5 0 1.1))