89 lines
2.5 KiB
C++
89 lines
2.5 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 <array>
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#include <cstdint>
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#include <vector>
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#include <string>
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#include <set>
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#include <array>
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#include "Zlib.hh"
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#include "NetworkClass.hh"
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#include "StaState.hh"
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// Header for SaifReader.cc to communicate with SaifLex.cc, SaifParse.cc
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// global namespace
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namespace sta {
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class Sta;
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class Power;
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class SaifScanner;
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enum class SaifState { T0, T1, TX, TZ, TB, TC, IG };
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typedef std::array<uint64_t, static_cast<int>(SaifState::IG)+1> SaifStateDurations;
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class SaifReader : public StaState
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{
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public:
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SaifReader(const char *filename,
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const char *scope,
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Sta *sta);
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bool read();
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void setDivider(char divider);
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void setTimescale(uint64_t multiplier,
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const char *units);
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void setDuration(uint64_t duration);
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void instancePush(const char *instance_name);
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void instancePop();
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void setNetDurations(const char *net_name,
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SaifStateDurations &durations);
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const char *filename() { return filename_; }
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private:
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std::string unescaped(const char *token);
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const char *filename_;
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const char *scope_; // Divider delimited scope to begin annotation.
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char divider_;
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char escape_;
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double timescale_;
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int64_t duration_;
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std::vector<std::string> saif_scope_; // Scope during parsing.
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size_t in_scope_level_;
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std::vector<Instance*> path_; // Path within scope.
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std::set<const Pin*> annotated_pins_;
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Power *power_;
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};
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} // namespace
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