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//===-- 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 "lldb/lldb-python.h"

#include "CommandObjectGUI.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.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
}