def repl():
while True:
source = read_input()
try:
tokens = sptokenizer.tokenize(source)
ast = spparser.parse_program(tokens)
value = ast.eval(environment.Environment(environment.built_ins))
except Exception:
print(traceback.format_exc())
else:
if value is not None:
print(value)
import sptokenizer
import spparser
from environment import Environment, built_ins
import test_cases
for case_name, case in test_cases.all_cases():
source, expected_value = case
tokens = sptokenizer.tokenize(source)
program = spparser.parse_program(tokens)
actual_value = program.eval(Environment(built_ins))
if expected_value != actual_value:
print(case_name, "failed with a returned value of", actual_value)
