text: """
   Copyright (C) 2018-2021 Intel Corporation
  
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
  
        http://www.apache.org/licenses/LICENSE-2.0
  
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
  """
  
  import collections
  
  from mo.graph.graph import Node, Graph
  
  
  class UnsupportedOps(object):
      def __init__(self, graph: Graph):
          self.graph = graph
          # map op to a list of node names
          self.unsupported = collections.defaultdict(list)
  
      def add(self, node: Node):
          op = node.op if node.has_valid('op') else '<UNKNOWN OP>'
          name = node.name if node.has_valid('name') else '<UNKNOWN NAME>'
          self.unsupported[op].append(name)
  
      def report(self, reporter, header=None):
          if len(self.unsupported) > 0:
              if header:
                  reporter(header)
              for k, v in self.unsupported.items():
                  reporter(' ' * 4 + str(k) + ' (' + str(len(v)) + ')')
                  for node_name in v:
                      reporter(' ' * 8 + node_name)
  