def arith_expr(self, nodelist):
node = self.com_node(nodelist[0])
for i in range(2, len(nodelist), 2):
right = self.com_node(nodelist[i])
if nodelist[i-1][0] == token.PLUS:
node = Add([node, right], lineno=nodelist[1][2])
elif nodelist[i-1][0] == token.MINUS:
node = Sub([node, right], lineno=nodelist[1][2])
else:
raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
return node
python类arith_expr()的实例源码
def arith_expr(self, nodelist):
node = self.com_node(nodelist[0])
for i in range(2, len(nodelist), 2):
right = self.com_node(nodelist[i])
if nodelist[i-1][0] == token.PLUS:
node = Add([node, right], lineno=nodelist[1][2])
elif nodelist[i-1][0] == token.MINUS:
node = Sub([node, right], lineno=nodelist[1][2])
else:
raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
return node
def arith_expr(self, nodelist):
node = self.com_node(nodelist[0])
for i in range(2, len(nodelist), 2):
right = self.com_node(nodelist[i])
if nodelist[i-1][0] == token.PLUS:
node = Add([node, right], lineno=nodelist[1][2])
elif nodelist[i-1][0] == token.MINUS:
node = Sub([node, right], lineno=nodelist[1][2])
else:
raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
return node
def arith_expr(self, nodelist):
node = self.com_node(nodelist[0])
for i in range(2, len(nodelist), 2):
right = self.com_node(nodelist[i])
if nodelist[i-1][0] == token.PLUS:
node = Add([node, right], lineno=nodelist[1][2])
elif nodelist[i-1][0] == token.MINUS:
node = Sub([node, right], lineno=nodelist[1][2])
else:
raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
return node
def arith_expr(self, nodelist):
node = self.com_node(nodelist[0])
for i in range(2, len(nodelist), 2):
right = self.com_node(nodelist[i])
if nodelist[i-1][0] == token.PLUS:
node = Add([node, right], lineno=nodelist[1][2])
elif nodelist[i-1][0] == token.MINUS:
node = Sub([node, right], lineno=nodelist[1][2])
else:
raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
return node
