OpenSTA/dcalc/DelayCalc.cc

92 lines
2.3 KiB
C++

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2020, Parallax Software, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "dcalc/DelayCalc.hh"
#include "util/Map.hh"
#include "util/StringUtil.hh"
#include "dcalc/UnitDelayCalc.hh"
#include "dcalc/LumpedCapDelayCalc.hh"
#include "dcalc/SimpleRCDelayCalc.hh"
#include "dcalc/DmpDelayCalc.hh"
#include "dcalc/ArnoldiDelayCalc.hh"
namespace sta {
typedef Map<const char*, MakeArcDelayCalc, CharPtrLess> DelayCalcMap;
static DelayCalcMap *delay_calcs = nullptr;
void
registerDelayCalcs()
{
registerDelayCalc("unit", makeUnitDelayCalc);
registerDelayCalc("lumped_cap", makeLumpedCapDelayCalc);
registerDelayCalc("simple_rc", makeSimpleRCDelayCalc);
registerDelayCalc("dmp_ceff_elmore", makeDmpCeffElmoreDelayCalc);
registerDelayCalc("dmp_ceff_two_pole", makeDmpCeffTwoPoleDelayCalc);
registerDelayCalc("arnoldi", makeArnoldiDelayCalc);
}
void
registerDelayCalc(const char *name,
MakeArcDelayCalc maker)
{
if (delay_calcs == nullptr)
delay_calcs = new DelayCalcMap;
(*delay_calcs)[name] = maker;
}
void
deleteDelayCalcs()
{
delete delay_calcs;
delay_calcs = nullptr;
}
ArcDelayCalc *
makeDelayCalc(const char *name,
StaState *sta)
{
MakeArcDelayCalc maker = delay_calcs->findKey(name);
if (maker)
return maker(sta);
else
return nullptr;
}
bool
isDelayCalcName(const char *name)
{
return delay_calcs->hasKey(name);
}
StringSeq *
delayCalcNames()
{
StringSeq *names = new StringSeq;
DelayCalcMap::Iterator dcalc_iter(delay_calcs);
while (dcalc_iter.hasNext()) {
MakeArcDelayCalc maker;
const char *name;
dcalc_iter.next(name, maker);
names->push_back(name);
}
return names;
}
} // namespace