OpenSTA/network/PortDirection.cc

132 lines
3.2 KiB
C++

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2025, 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 "PortDirection.hh"
#include "StringUtil.hh"
namespace sta {
PortDirection *PortDirection::input_;
PortDirection *PortDirection::output_;
PortDirection *PortDirection::tristate_;
PortDirection *PortDirection::bidirect_;
PortDirection *PortDirection::internal_;
PortDirection *PortDirection::ground_;
PortDirection *PortDirection::power_;
PortDirection *PortDirection::unknown_;
void
PortDirection::init()
{
input_ = new PortDirection("input", 0);
output_ = new PortDirection("output", 1);
tristate_ = new PortDirection("tristate", 2);
bidirect_ = new PortDirection("bidirect", 3);
internal_ = new PortDirection("internal", 4);
ground_ = new PortDirection("ground", 5);
power_ = new PortDirection("power", 6);
unknown_ = new PortDirection("unknown", 7);
}
void
PortDirection::destroy()
{
delete input_;
input_ = nullptr;
delete output_;
output_ = nullptr;
delete tristate_;
tristate_ = nullptr;
delete bidirect_;
bidirect_ = nullptr;
delete internal_;
internal_ = nullptr;
delete ground_;
ground_ = nullptr;
delete power_;
power_ = nullptr;
delete unknown_;
unknown_ = nullptr;
}
PortDirection::PortDirection(const char *name,
int index) :
name_(name),
index_(index)
{
}
PortDirection *
PortDirection::find(const char *dir_name)
{
if (stringEqual(dir_name, "input"))
return input_;
else if (stringEqual(dir_name, "output"))
return output_;
else if (stringEqual(dir_name, "tristate"))
return tristate_;
else if (stringEqual(dir_name, "bidirect"))
return bidirect_;
else if (stringEqual(dir_name, "internal"))
return internal_;
else if (stringEqual(dir_name, "ground"))
return ground_;
else if (stringEqual(dir_name, "power"))
return power_;
else
return nullptr;
}
bool
PortDirection::isAnyInput() const
{
return this == input_
|| this == bidirect_;
}
bool
PortDirection::isAnyOutput() const
{
return this == output_
|| this == tristate_
|| this == bidirect_;
}
bool
PortDirection::isAnyTristate() const
{
return this == tristate_
|| this == bidirect_;
}
bool
PortDirection::isPowerGround() const
{
return this == ground_
|| this == power_;
}
} // namespace