77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2020, 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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#pragma once
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#include "DisallowCopyAssign.hh"
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#include "Path.hh"
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namespace sta {
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// Implements Path API for paths returned by PathEnum.
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class PathEnumed : public Path
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{
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public:
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PathEnumed(VertexId vertex_id,
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TagIndex tag_index,
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Arrival arrival,
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PathEnumed *prev_path,
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TimingArc *prev_arc);
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virtual void setRef(PathRef *ref) const;
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virtual bool isNull() const { return vertex_id_ == 0; }
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virtual Vertex *vertex(const StaState *sta) const;
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virtual VertexId vertexId(const StaState *sta) const;
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virtual Tag *tag(const StaState *sta) const;
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virtual const RiseFall *transition(const StaState *sta) const;
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virtual int trIndex(const StaState *) const;
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virtual PathAnalysisPt *pathAnalysisPt(const StaState *sta) const;
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virtual PathAPIndex pathAnalysisPtIndex(const StaState *sta) const;
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virtual Arrival arrival(const StaState *sta) const;
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virtual void setArrival(Arrival arrival, const StaState *sta);
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virtual const Required &required(const StaState *sta) const;
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virtual void setRequired(const Required &required,
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const StaState *sta);
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virtual Path *prevPath(const StaState *sta) const;
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virtual void prevPath(const StaState *sta,
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// Return values.
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PathRef &prev_path,
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TimingArc *&prev_arc) const;
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virtual TimingArc *prevArc(const StaState *sta) const;
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PathEnumed *prevPathEnumed() const;
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void setPrevPath(PathEnumed *prev);
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void setPrevArc(TimingArc *arc);
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void setTag(Tag *tag);
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using Path::setRef;
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using Path::prevPath;
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protected:
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// Pointer to previous path.
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// A path is traversed by following prev_path/arcs.
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PathEnumed *prev_path_;
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TimingArc *prev_arc_;
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Arrival arrival_;
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VertexId vertex_id_;
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unsigned int tag_index_:tag_index_bits;
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private:
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DISALLOW_COPY_AND_ASSIGN(PathEnumed);
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};
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void deletePathEnumed(PathEnumed *path);
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} // namespace
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