def get_process_fragment(self):
return Fragment([
self.token("result").r.eq(
_Operator(self.op,
[self.token("operands").a,
self.token("operands").b]))
])
def optree(op, operands, lb=None, ub=None, default=None): if lb is None: lb = 0 if ub is None: ub = len(operands) l = ub - lb if l == 0: if default is None: raise AttributeError else: return default elif l == 1: return operands[lb] else: s = lb + l//2 return _Operator(op, [optree(op, operands, lb, s, default), optree(op, operands, s, ub, default)])
def optree(op, operands, lb=None, ub=None, default=None):
if lb is None:
lb = 0
if ub is None:
ub = len(operands)
l = ub - lb
if l == 0:
if default is None:
raise AttributeError
else:
return default
elif l == 1:
return operands[lb]
else:
s = lb + l // 2
return _Operator(op, [
optree(op, operands, lb, s, default),
optree(op, operands, s, ub, default)
])
def get_process_fragment(self):
return Fragment([
self.token("result").r.eq(_Operator(self.op,
[self.token("operands").a, self.token("operands").b]))
])
def visit_Operator(self, node):
return _Operator(node.op, [self.visit(o) for o in node.operands])
def visit_Operator(self, node): return _Operator(node.op, [self.visit(o) for o in node.operands])