blob: a1560d64c19260c7a2aec8aec1ac58232589833a [file] [log] [blame]
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2008-2020 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "wpi/Demangle.h"
#include <windows.h> // NOLINT(build/include_order)
#include <dbghelp.h>
#include "wpi/SmallString.h"
#include "wpi/mutex.h"
#pragma comment(lib, "Dbghelp.lib")
namespace wpi {
std::string Demangle(const Twine& mangledSymbol) {
static wpi::mutex m;
std::scoped_lock lock(m);
SmallString<128> buf;
char buffer[256];
DWORD sz =
UnDecorateSymbolName(mangledSymbol.toNullTerminatedStringRef(buf).data(),
buffer, sizeof(buffer), UNDNAME_COMPLETE);
if (sz == 0) return mangledSymbol.str();
return std::string(buffer, sz);
}
} // namespace wpi