# Created on Mar 20, 2020
#
# @author: ballance
from vsc.model.bin_expr_type import BinExprType
from vsc.model.coverpoint_bin_model_base import CoverpointBinModelBase
from vsc.model.expr_bin_model import ExprBinModel
from vsc.model.expr_literal_model import ExprLiteralModel
from vsc.model.rangelist_model import RangelistModel
[docs]class CoverpointBinSingleValModel(CoverpointBinModelBase):
def __init__(self, name, target_val : int):
super().__init__(name)
self.target_val = target_val
self.n_bins = 1
[docs] def finalize(self, bin_idx_base:int)->int:
super().finalize(bin_idx_base)
return 1
[docs] def get_bin_expr(self, bin_idx):
"""Builds expressions to represent the values in this bin"""
expr = ExprBinModel(
self.cp.target,
BinExprType.Eq,
ExprLiteralModel(self.target_val, False, 32)
)
return expr
[docs] def get_bin_name(self, bin_idx):
return self.name
[docs] def sample(self):
val = self.cp.get_val()
if val == self.target_val:
self.hit_bin_idx = 0
self.cp.coverage_ev(
self.bin_idx_base,
self.bin_type)
else:
self.hit_bin_idx = -1
return self.hit_bin_idx
[docs] def get_bin_range(self, idx):
print("get_bin_range: " + str(idx))
return RangelistModel([self.target_val])
[docs] def accept(self, v):
v.visit_coverpoint_bin_single(self)
[docs] def equals(self, oth)->bool:
eq = isinstance(oth, CoverpointBinSingleValModel)
if eq:
eq &= self.target_val == oth.target_val
return eq
[docs] def clone(self)->'CoverpointBinSingleValModel':
ret = CoverpointBinSingleValModel(self.name, self.target_val)
ret.srcinfo_decl = None if self.srcinfo_decl is None else self.srcinfo_decl.clone()
return ret