//===-- lldb-server.cpp -----------------------------------------*- C++ -*-===//

//

// 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 "SystemInitializerLLGS.h"

#include "lldb/Initialization/SystemLifetimeManager.h"

#include "lldb/Version/Version.h"

#include "llvm/ADT/STLExtras.h"

#include "llvm/ADT/StringRef.h"

#include "llvm/Support/InitLLVM.h"

#include "llvm/Support/ManagedStatic.h"

#include "llvm/Support/PrettyStackTrace.h"

#include "llvm/Support/Signals.h"

#include <cstdio>

#include <cstdlib>

static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>

    g_debugger_lifetime;

static void display_usage(const char *progname) {

  fprintf(stderr, "Usage:\n"

                  "  %s v[ersion]\n"

                  "  %s g[dbserver] [options]\n"

                  "  %s p[latform] [options]\n"

                  "Invoke subcommand for additional help\n",

          progname, progname, progname);

  exit(0);

}

// Forward declarations of subcommand main methods.

int main_gdbserver(int argc, char *argv[]);

int main_platform(int argc, char *argv[]);

namespace llgs {

static void initialize() {

  if (auto e = g_debugger_lifetime->Initialize(

          std::make_unique<SystemInitializerLLGS>(), nullptr))

    llvm::consumeError(std::move(e));

}

static void terminate_debugger() { g_debugger_lifetime->Terminate(); }

} // namespace llgs

// main

int main(int argc, char *argv[]) {

  llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false);

  llvm::PrettyStackTraceProgram X(argc, argv);

  int option_error = 0;

  const char *progname = argv[0];

  if (argc < 2) {

    display_usage(progname);

    exit(option_error);

  }

  switch (argv[1][0]) {

  case 'g':

    llgs::initialize();

    main_gdbserver(argc, argv);

    llgs::terminate_debugger();

    break;

  case 'p':

    llgs::initialize();

    main_platform(argc, argv);

    llgs::terminate_debugger();

    break;

  case 'v':

    fprintf(stderr, "%s\n", lldb_private::GetVersion());

    break;

  default:

    display_usage(progname);

    exit(option_error);

  }

}