def ParseAtomicCodeNode()

in ext/gtest-1.8.0/googletest/scripts/pump.py [0:0]

• 58 lines of code
• 12 McCabe index (conditional complexity)

def ParseAtomicCodeNode(tokens):
  def Pop(token_type=None):
    return PopToken(tokens, token_type)

  head = PopFront(tokens)
  t = head.token_type
  if t == 'code':
    return RawCodeNode(head)
  elif t == '$var':
    id_token = Pop('id')
    Pop('=')
    next = PeekToken(tokens)
    if next.token_type == 'exp':
      exp_token = Pop()
      return VarNode(id_token, ParseExpNode(exp_token))
    Pop('[[')
    code_node = ParseCodeNode(tokens)
    Pop(']]')
    return VarNode(id_token, code_node)
  elif t == '$for':
    id_token = Pop('id')
    next_token = PeekToken(tokens)
    if next_token.token_type == 'code':
      sep_token = next_token
      Pop('code')
    else:
      sep_token = None
    Pop('[[')
    code_node = ParseCodeNode(tokens)
    Pop(']]')
    return ForNode(id_token, sep_token, code_node)
  elif t == '$if':
    exp_token = Pop('code')
    Pop('[[')
    code_node = ParseCodeNode(tokens)
    Pop(']]')
    else_node = ParseElseNode(tokens)
    return IfNode(ParseExpNode(exp_token), code_node, else_node)
  elif t == '$range':
    id_token = Pop('id')
    exp1_token = Pop('exp')
    Pop('..')
    exp2_token = Pop('exp')
    return RangeNode(id_token, ParseExpNode(exp1_token),
                     ParseExpNode(exp2_token))
  elif t == '$id':
    return ParseExpNode(Token(head.start + 1, head.end, head.value[1:], 'id'))
  elif t == '$($)':
    return LiteralDollarNode(head)
  elif t == '$':
    exp_token = Pop('exp')
    return ParseExpNode(exp_token)
  elif t == '[[':
    code_node = ParseCodeNode(tokens)
    Pop(']]')
    return code_node
  else:
    PushFront(tokens, head)
    return None