// 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.

#pragma once

#include <string>
#include <string_view>

namespace sta {

class Report;
class LibertyCell;
class FuncExpr;
class LibExprScanner;

class LibExprReader
{
public:
  LibExprReader(std::string_view func,
                const LibertyCell *cell,
                std::string_view error_msg,
                Report *report);
  FuncExpr *makeFuncExprPort(std::string &&port_name);
  FuncExpr *makeFuncExprOr(FuncExpr *arg1,
                           FuncExpr *arg2);
  FuncExpr *makeFuncExprAnd(FuncExpr *arg1,
                            FuncExpr *arg2);
  FuncExpr *makeFuncExprXor(FuncExpr *arg1,
                            FuncExpr *arg2);
  FuncExpr *makeFuncExprNot(FuncExpr *arg);
  void setResult(FuncExpr *result);
  FuncExpr *result() { return result_; }
  void parseError(std::string_view msg);
  Report *report() const { return report_; }

private:
  std::string_view func_;
  const LibertyCell *cell_;
  std::string_view error_msg_;
  Report *report_;
  FuncExpr *result_{nullptr};
};

} // namespace sta
