def parse_body(s, nont_reader=lambda x: x, elem_reader=lambda x: x):
body = rule_body()
s = s.split()
for e in s:
if e[0] == '@':
code = nont_reader(int(e[1:]))
body.append(True, code)
else:
code = elem_reader(e)
body.append(False, code)
return body
def get_G(self):
G = self.ctx.grammar
G.clear()
for path in self.paths:
p = path.get_path()
body = rule_body(self.ctx.alphabet)
for s in p:
if s < 0:
body.append(True, -s)
else:
body.append(False, s)
G.add_body(body)
G.set_S(0)
return G