62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2025, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software.
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//
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// Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// This notice may not be removed or altered from any source distribution.
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#pragma once
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#include <map>
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#include "StaState.hh"
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#include "LibertyClass.hh"
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struct DdNode;
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struct DdManager;
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namespace sta {
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typedef std::map<const LibertyPort*, DdNode*, LibertyPortLess> BddPortVarMap;
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typedef std::map<unsigned, const LibertyPort*> BddVarIdxPortMap;
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class Bdd : public StaState
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{
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public:
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Bdd(const StaState *sta);
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~Bdd();
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DdNode *funcBdd(const FuncExpr *expr);
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DdNode *findNode(const LibertyPort *port);
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const LibertyPort *nodePort(DdNode *node);
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DdNode *ensureNode(const LibertyPort *port);
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const LibertyPort *varIndexPort(int var_index);
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BddPortVarMap &portVarMap() { return bdd_port_var_map_; }
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void clearVarMap();
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DdManager *cuddMgr() const { return cudd_mgr_; }
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private:
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DdManager *cudd_mgr_;
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BddPortVarMap bdd_port_var_map_;
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BddVarIdxPortMap bdd_var_idx_port_map_;
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};
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} // namespace
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