# 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 3, 2019
#
# @author: ballance
from vsc.model.coverpoint_model import CoverpointModel
from vsc.model.expr_bin_model import ExprBinModel
from vsc.model.bin_expr_type import BinExprType
from vsc.model.expr_literal_model import ExprLiteralModel
from vsc.model.coverpoint_bin_model_base import CoverpointBinModelBase
[docs]class CoverpointBinArrayModel(CoverpointBinModelBase):
def __init__(self, name, low, high):
super().__init__(name)
self.low = low
self.high = high
self.hit_bin_idx = -1
[docs] def finalize(self, bin_idx_base:int)->int:
super().finalize(bin_idx_base)
return (self.high-self.low+1)
[docs] def get_bin_expr(self, idx):
"""Builds expressions to represent a single bin"""
return ExprBinModel(
self.cp.target,
BinExprType.Eq,
ExprLiteralModel(self.low+idx, False, 32)
)
[docs] def get_bin_name(self, bin_idx):
return self.name + "[" + str(self.bin_idx_base+bin_idx) + "]"
[docs] def sample(self):
# Query value from the actual coverpoint or expression
val = int(self.cp.get_val())
if val >= self.low and val <= self.high:
# Notify that coverage has changed
self.cp.coverage_ev(
self.bin_idx_base+(val-self.low),
self.bin_type)
self.hit_bin_idx = val-self.low
else:
self.hit_bin_idx = -1
return self.hit_bin_idx
[docs] def dump(self, ind=""):
# for i in range(self.high-self.low+1):
# print(ind + self.name + "[" + str(self.low+i) + "]=" + str(self.hit_list[i]))
pass
[docs] def get_bin_range(self, bin_idx):
print("get_bin_range: " + str(bin_idx))
[docs] def get_n_bins(self):
return (self.high-self.low+1)
[docs] def hit_idx(self):
return self.hit_bin_idx
[docs] def accept(self, v):
v.visit_coverpoint_bin_array(self)
[docs] def equals(self, oth):
eq = isinstance(oth, CoverpointBinArrayModel)
if eq:
eq &= super().equals(oth)
eq &= self.low == oth.low
eq &= self.high == oth.high
return eq
[docs] def clone(self)->'CoverpointBinArrayModel':
ret = CoverpointBinArrayModel(self.name, self.low, self.high)
ret.srcinfo_decl = None if self.srcinfo_decl is None else self.srcinfo_decl.clone()
return ret