mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
7815c551db
`Logger` can now print the file name from which it was called (`--debug-location-max-length`).
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/// \file Debug.cpp
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/// \brief Implementation of the debug framework
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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// Standard includes
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#include <algorithm>
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#include <iostream>
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#include <string>
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#include <vector>
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// LLVM includes
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#include "llvm/ADT/Twine.h"
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#include "llvm/IR/Value.h"
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// Local libraries includes
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#include "revng/Support/Debug.h"
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#include "revng/Support/revng.h"
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namespace cl = llvm::cl;
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using llvm::Twine;
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static cl::opt<unsigned> MaxLocationLength("debug-location-max-length",
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cl::desc("emit file and line number "
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"for log "
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"messages of at most this "
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"size."),
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cl::cat(MainCategory),
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cl::init(0));
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size_t MaxLoggerNameLength = 0;
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llvm::ManagedStatic<LoggersRegistry> Loggers;
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std::ostream &dbg(std::cerr);
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Logger<> PassesLog("passes");
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Logger<> ReleaseLog("release");
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template<bool X>
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void Logger<X>::emit(const LogTerminator &LineInfo) {
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if (X && Enabled) {
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std::string Pad;
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if (MaxLocationLength != 0) {
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std::string Suffix = (Twine(":") + Twine(LineInfo.Line)).str();
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revng_assert(Suffix.size() < MaxLocationLength);
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std::string Location(LineInfo.File);
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size_t LastSlash = Location.rfind("/");
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if (LastSlash != std::string::npos)
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Location.erase(0, LastSlash + 1);
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if (Location.size() > MaxLocationLength - Suffix.size()) {
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Location.erase(MaxLocationLength - Suffix.size(), std::string::npos);
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}
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Pad = std::string(MaxLocationLength - Location.size() - Suffix.size(),
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' ');
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dbg << "[" << Location << Suffix << "] " << Pad;
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}
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Pad = std::string(MaxLoggerNameLength - Name.size(), ' ');
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dbg << "[" << Name.data() << "] " << Pad;
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for (unsigned I = 0; I < IndentLevel; I++)
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dbg << " ";
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dbg << Buffer.str() << "\n";
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Buffer.str("");
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Buffer.clear();
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}
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}
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static std::unique_ptr<cl::list<PlaceholderEnum>> DebugLogging;
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static std::unique_ptr<cl::alias> DebugLoggingAlias;
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llvm::ManagedStatic<DebugLogOptionWrapper> DebugLogOption;
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template<bool X>
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unsigned Logger<X>::IndentLevel;
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template<bool X>
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void Logger<X>::indent(unsigned Level) {
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if (isEnabled())
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IndentLevel += Level;
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}
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template<bool X>
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void Logger<X>::unindent(unsigned Level) {
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if (isEnabled()) {
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revng_assert(IndentLevel - Level >= 0);
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IndentLevel -= Level;
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}
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}
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template<bool X>
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void Logger<X>::setIndentation(unsigned Level) {
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if (isEnabled())
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IndentLevel = Level;
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}
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// Force instantiation
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template class Logger<true>;
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template class Logger<false>;
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