def TokenTerm(self):
g = self.TokenFactor()
while self.StartOf(6):
g2 = self.TokenFactor()
Graph.MakeSequence(g, g2)
if (self.la.kind == Scanner.CONTEXT_Sym):
self.Get()
self.Expect(Scanner.lparen_Sym)
g2 = self.TokenExpr()
Graph.SetContextTrans(g2.l)
Graph.MakeSequence(g, g2)
self.Expect(Scanner.rparen_Sym)
return g
def Term(self):
rslv = None
g = None
if self.StartOf(22):
if (self.la.kind == Scanner.IF_Sym):
rslv = Node(Node.rslv, None, self.la.line)
rslv.pos = self.Resolver()
g = Graph(rslv)
g2 = self.Factor()
if rslv is not None:
Graph.MakeSequence(g, g2)
else:
g = g2
while self.StartOf(23):
g2 = self.Factor()
Graph.MakeSequence(g, g2)
elif self.StartOf(24):
g = Graph(Node(Node.eps, None, 0))
else:
self.SynErr(67)
if g is None: # invalid start of Term
g = Graph(Node(Node.eps, None, 0))
return g