xref: /freebsd-12.1/contrib/llvm/tools/lldb/source/Commands/CommandObjectGUI.cpp (revision b5893f02)

//===-- CommandObjectGUI.cpp ------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "CommandObjectGUI.h"

#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/lldb-private.h"

using namespace lldb;
using namespace lldb_private;

//-------------------------------------------------------------------------
// CommandObjectGUI
//-------------------------------------------------------------------------

CommandObjectGUI::CommandObjectGUI(CommandInterpreter &interpreter)
    : CommandObjectParsed(interpreter, "gui",
                          "Switch into the curses based GUI mode.", "gui") {}

CommandObjectGUI::~CommandObjectGUI() {}

bool CommandObjectGUI::DoExecute(Args &args, CommandReturnObject &result) {
#ifndef LLDB_DISABLE_CURSES
  if (args.GetArgumentCount() == 0) {
    Debugger &debugger = m_interpreter.GetDebugger();

    lldb::StreamFileSP input_sp = debugger.GetInputFile();
    if (input_sp && input_sp->GetFile().GetIsRealTerminal() &&
        input_sp->GetFile().GetIsInteractive()) {
      IOHandlerSP io_handler_sp(new IOHandlerCursesGUI(debugger));
      if (io_handler_sp)
        debugger.PushIOHandler(io_handler_sp);
      result.SetStatus(eReturnStatusSuccessFinishResult);
    } else {
      result.AppendError("the gui command requires an interactive terminal.");
      result.SetStatus(eReturnStatusFailed);
    }
  } else {
    result.AppendError("the gui command takes no arguments.");
    result.SetStatus(eReturnStatusFailed);
  }
  return true;
#else
  result.AppendError("lldb was not build with gui support");
  return false;
#endif
}