OpenSTA/network/NetworkCmp.cc

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2026, 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/>.
// 
// The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software.
// 
// Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 
// This notice may not be removed or altered from any source distribution.

#include "NetworkCmp.hh"

#include <algorithm>

#include "Liberty.hh"
#include "Network.hh"
#include "StringUtil.hh"

namespace sta {

PortNameLess::PortNameLess(const Network *network) :
  network_(network)
{
}

bool
PortNameLess::operator()(const Port *port1,
                         const Port *port2) const
{
  return network_->name(port1) < network_->name(port2);
}

PinPathNameLess::PinPathNameLess(const Network *network) :
  network_(network)
{
}

bool
PinPathNameLess::operator()(const Pin *pin1,
                            const Pin *pin2) const
{
  return network_->pathNameLess(pin1, pin2);
}

NetPathNameLess::NetPathNameLess(const Network *network) :
  network_(network)
{
}

bool
NetPathNameLess::operator()(const Net *net1,
                            const Net *net2) const
{
  return network_->pathNameLess(net1, net2);
}

InstancePathNameLess::InstancePathNameLess(const Network *network) :
  network_(network)
{
}

bool
InstancePathNameLess::operator()(const Instance *inst1,
                                 const Instance *inst2) const
{
  return network_->pathNameLess(inst1, inst2);
}

////////////////////////////////////////////////////////////////

PinSeq
sortByPathName(const PinSet *set,
              const Network *network)
{
  PinSeq pins;
  for (const Pin *pin : *set)
    pins.push_back(pin);
  sort(pins, PinPathNameLess(network));
  return pins;
}

PinSeq
sortByPathName(const PinUnorderedSet *set,
              const Network *network)
{
  PinSeq pins;
  for (const Pin *pin : *set)
    pins.push_back(pin);
  sort(pins, PinPathNameLess(network));
  return pins;
}

PortSeq
sortByName(const PortSet *set,
           const Network *network)
{
  PortSeq ports;
  for (const Port *port : *set)
    ports.push_back(port);
  sort(ports, PortNameLess(network));
  return ports;
}

InstanceSeq
sortByPathName(InstanceSet *set,
              const Network *network)
{
  InstanceSeq insts;
  for (const Instance *inst : *set)
    insts.push_back(inst);
  sort(insts, InstancePathNameLess(network));
  return insts;
}

NetSeq
sortByPathName(NetSet *set,
              const Network *network)
{
  NetSeq nets;
  for (const Net *net : *set)
    nets.push_back(net);
  sort(nets, NetPathNameLess(network));
  return nets;
}

} // namespace sta