74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2024, 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/>.
|
|
|
|
#pragma once
|
|
|
|
#include "SdcClass.hh"
|
|
#include "SearchClass.hh"
|
|
|
|
namespace sta {
|
|
|
|
// Path representation that references a vertex arrival via a tag.
|
|
// This does not implement the Path API which uses virtual functions
|
|
// that would make it larger.
|
|
class PathVertexRep
|
|
{
|
|
public:
|
|
explicit PathVertexRep();
|
|
explicit PathVertexRep(const PathVertexRep *path);
|
|
PathVertexRep(const PathVertexRep &path);
|
|
explicit PathVertexRep(const PathVertex *path,
|
|
const StaState *sta);
|
|
explicit PathVertexRep(const PathVertex &path,
|
|
const StaState *sta);
|
|
explicit PathVertexRep(VertexId vertex_id,
|
|
TagIndex tag_index,
|
|
bool is_enum);
|
|
void init();
|
|
void init(const PathVertexRep *path);
|
|
void init(const PathVertexRep &path);
|
|
void init(const PathVertex *path,
|
|
const StaState *sta);
|
|
void init(const PathVertex &path,
|
|
const StaState *sta);
|
|
bool isNull() const { return vertex_id_ == 0; }
|
|
Vertex *vertex(const StaState *) const;
|
|
VertexId vertexId() const { return vertex_id_; }
|
|
Tag *tag(const StaState *sta) const;
|
|
TagIndex tagIndex() const { return tag_index_; }
|
|
Arrival arrival(const StaState *sta) const;
|
|
void prevPath(const StaState *sta,
|
|
// Return values.
|
|
PathRef &prev_path,
|
|
TimingArc *&prev_arc) const;
|
|
|
|
static bool equal(const PathVertexRep *path1,
|
|
const PathVertexRep *path2);
|
|
static bool equal(const PathVertexRep &path1,
|
|
const PathVertexRep &path2);
|
|
static int cmp(const PathVertexRep *path1,
|
|
const PathVertexRep *path2);
|
|
static int cmp(const PathVertexRep &path1,
|
|
const PathVertexRep &path2);
|
|
|
|
protected:
|
|
VertexId vertex_id_;
|
|
TagIndex tag_index_;
|
|
bool is_enum_:1;
|
|
};
|
|
|
|
} // namespace
|