1 //===-- CommandObjectGUI.cpp ------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "CommandObjectGUI.h"
10 
11 #include "lldb/Core/IOHandlerCursesGUI.h"
12 #include "lldb/Host/Config.h"
13 #include "lldb/Interpreter/CommandInterpreter.h"
14 #include "lldb/Interpreter/CommandReturnObject.h"
15 
16 using namespace lldb;
17 using namespace lldb_private;
18 
19 // CommandObjectGUI
20 
21 CommandObjectGUI::CommandObjectGUI(CommandInterpreter &interpreter)
22     : CommandObjectParsed(interpreter, "gui",
23                           "Switch into the curses based GUI mode.", "gui") {}
24 
25 CommandObjectGUI::~CommandObjectGUI() {}
26 
27 bool CommandObjectGUI::DoExecute(Args &args, CommandReturnObject &result) {
28 #if LLDB_ENABLE_CURSES
29   if (args.GetArgumentCount() == 0) {
30     Debugger &debugger = GetDebugger();
31 
32     File &input = debugger.GetInputFile();
33     File &output = debugger.GetOutputFile();
34     if (input.GetStream() && output.GetStream() && input.GetIsRealTerminal() &&
35         input.GetIsInteractive()) {
36       IOHandlerSP io_handler_sp(new IOHandlerCursesGUI(debugger));
37       if (io_handler_sp)
38         debugger.PushIOHandler(io_handler_sp);
39       result.SetStatus(eReturnStatusSuccessFinishResult);
40     } else {
41       result.AppendError("the gui command requires an interactive terminal.");
42       result.SetStatus(eReturnStatusFailed);
43     }
44   } else {
45     result.AppendError("the gui command takes no arguments.");
46     result.SetStatus(eReturnStatusFailed);
47   }
48   return true;
49 #else
50   result.AppendError("lldb was not build with gui support");
51   return false;
52 #endif
53 }
54