llvm/lldb/source/Utility/ReproducerInstrumentation.cpp

//===-- ReproducerInstrumentation.cpp -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "lldb/Utility/ReproducerInstrumentation.h"
#include "lldb/Utility/Reproducer.h"
#include <cstdio>
#include <cstdlib>
#include <limits>
#include <thread>

using namespace lldb_private;
using namespace lldb_private::repro;

// Whether we're currently across the API boundary.
static thread_local bool g_global_boundary = false;

Recorder::Recorder() {
  if (!g_global_boundary) {
    g_global_boundary = true;
    m_local_boundary = true;
  }
}

Recorder::Recorder(llvm::StringRef pretty_func, std::string &&pretty_args)
    :  m_local_boundary(false) {
  if (!g_global_boundary) {
    g_global_boundary = true;
    m_local_boundary = true;
    LLDB_LOG(GetLogIfAllCategoriesSet(LIBLLDB_LOG_API), "{0} ({1})",
             pretty_func, pretty_args);
  }
}

Recorder::~Recorder() {
  UpdateBoundary();
}

void Recorder::UpdateBoundary() {
  if (m_local_boundary)
    g_global_boundary = false;
}