# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# Created on Aug 4, 2019
#
# @author: ballance
from enum import Enum, auto
from vsc.model.coverpoint_model import CoverpointModel
from vsc.model.coverpoint_bin_type import CoverpointBinType
[docs]class CoverpointBinModelBase(object):
def __init__(self, name):
self.parent = None
self.name = name
self.cp = None
self.bin_idx_base = -1
self.hit_bin_idx = -1
self.n_bins = -1
self.bin_type = CoverpointBinType.Bins
self.srcinfo_decl = None
[docs] def finalize(self, bin_idx_base:int)->int:
"""Accepts the bin index where this bin starts ; returns number of bins"""
cp = self.parent
while cp is not None and not isinstance(cp, CoverpointModel):
cp = cp.parent
self.cp = cp
self.bin_idx_base = bin_idx_base
return 0
[docs] def get_bin_expr(self, idx):
raise NotImplementedError()
[docs] def get_bin_name(self, bin_idx):
raise NotImplementedError()
[docs] def sample(self):
raise NotImplementedError("sample not implemented for " + str(type(self)))
[docs] def get_n_bins(self):
return self.n_bins
[docs] def hit_idx(self):
return self.hit_bin_idx
[docs] def set_bin_type(self, bin_type):
self.bin_type = bin_type
[docs] def equals(self, oth):
eq = isinstance(oth, CoverpointBinModelBase)
if eq:
eq &= self.name == oth.name
return eq