# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
from __future__ import print_function
import os
import subprocess
from ....framework import Program
from ....framework import Block
from .... import core

__all__ = ['Graph', 'ImitationGraph', 'IRGraph']


class Graph(object):
    """
    Base class for all graph.
    """

    def __init__(self):
        pass

    def all_parameters(self):
        """
        Return all the parameters in current graph.
        """
        pass


class ImitationGraph(Graph):
    def __init__(self, program=None):
        super(ImitationGraph, self).__init__()
        self.program = Program() if program is None else program

    def all_parameters(self):
        return self.program.global_block().all_parameters()


class IRGraph(Graph):
    pass