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/Interpreter/CommandInterpreter.h"
12 #include "lldb/Interpreter/CommandReturnObject.h"
13 #include "lldb/lldb-private.h"
14 
15 using namespace lldb;
16 using namespace lldb_private;
17 
18 //-------------------------------------------------------------------------
19 // CommandObjectGUI
20 //-------------------------------------------------------------------------
21 
22 CommandObjectGUI::CommandObjectGUI(CommandInterpreter &interpreter)
23     : CommandObjectParsed(interpreter, "gui",
24                           "Switch into the curses based GUI mode.", "gui") {}
25 
26 CommandObjectGUI::~CommandObjectGUI() {}
27 
28 bool CommandObjectGUI::DoExecute(Args &args, CommandReturnObject &result) {
29 #ifndef LLDB_DISABLE_CURSES
30   if (args.GetArgumentCount() == 0) {
31     Debugger &debugger = m_interpreter.GetDebugger();
32 
33     lldb::StreamFileSP input_sp = debugger.GetInputFile();
34     if (input_sp && input_sp->GetFile().GetIsRealTerminal() &&
35         input_sp->GetFile().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