75 lines
2.2 KiB
C++
75 lines
2.2 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 <cstdarg>
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#include <mutex>
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#include "Map.hh"
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#include "StringUtil.hh"
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namespace sta {
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class Report;
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class Pin;
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typedef Map<const char *, int, CharPtrLess> DebugMap;
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class Debug
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{
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public:
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explicit Debug(Report *report);
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~Debug();
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int level(const char *what);
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void setLevel(const char *what,
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int level);
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bool check(const char *what,
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int level) const;
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int statsLevel() const { return stats_level_; }
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void reportLine(const char *what,
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const char *fmt,
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...)
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__attribute__((format (printf, 3, 4)));
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protected:
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Report *report_;
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std::mutex buffer_lock_;
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bool debug_on_;
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DebugMap *debug_map_;
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int stats_level_;
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};
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// Inlining a varargs function would eval the args, which can
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// be expensive, so use a macro.
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// Note that "##__VA_ARGS__" is a gcc extension to support zero arguments (no comma).
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// clang -Wno-gnu-zero-variadic-macro-arguments suppresses the warning.
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// c++20 has "__VA_OPT__" to deal with the zero arg case so this is temporary.
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#define debugPrint(debug, what, level, ...) \
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if (debug->check(what, level)) { \
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debug->reportLine(what, ##__VA_ARGS__); \
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}
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} // namespace
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