xref: /llvm-project/lldb/source/Commands/CommandObjectGUI.cpp (revision 1124045ac739480b69eb7c9be2ce09d4898c4ed0)
1 //===-- CommandObjectGUI.cpp ------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "CommandObjectGUI.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/lldb-private.h"
17 #include "lldb/Interpreter/CommandInterpreter.h"
18 #include "lldb/Interpreter/CommandReturnObject.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 //-------------------------------------------------------------------------
24 // CommandObjectGUI
25 //-------------------------------------------------------------------------
26 
27 CommandObjectGUI::CommandObjectGUI (CommandInterpreter &interpreter) :
28     CommandObjectParsed (interpreter, "gui", "Switch into the curses based GUI mode.", "gui")
29 {
30 }
31 
32 CommandObjectGUI::~CommandObjectGUI ()
33 {
34 }
35 
36 bool
37 CommandObjectGUI::DoExecute (Args& args, CommandReturnObject &result)
38 {
39 #ifndef LLDB_DISABLE_CURSES
40     if (args.GetArgumentCount() == 0)
41     {
42         Debugger &debugger = m_interpreter.GetDebugger();
43 
44         lldb::StreamFileSP input_sp = debugger.GetInputFile();
45         if (input_sp &&
46             input_sp->GetFile().GetIsRealTerminal() &&
47             input_sp->GetFile().GetIsInteractive())
48         {
49             IOHandlerSP io_handler_sp (new IOHandlerCursesGUI (debugger));
50             if (io_handler_sp)
51                 debugger.PushIOHandler(io_handler_sp);
52             result.SetStatus (eReturnStatusSuccessFinishResult);
53         }
54         else
55         {
56             result.AppendError("the gui command requires an interactive terminal.");
57             result.SetStatus (eReturnStatusFailed);
58         }
59     }
60     else
61     {
62         result.AppendError("the gui command takes no arguments.");
63         result.SetStatus (eReturnStatusFailed);
64     }
65     return true;
66 #else
67     result.AppendError("lldb was not build with gui support");
68     return false;
69 #endif
70 }
71 
72