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[FreeBSD/FreeBSD.git] / contrib / llvm / tools / lldb / source / Commands / CommandObjectGUI.cpp
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/Interpreter/CommandInterpreter.h"
17 #include "lldb/Interpreter/CommandReturnObject.h"
18 #include "lldb/lldb-private.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",
29                           "Switch into the curses based GUI mode.", "gui") {}
30
31 CommandObjectGUI::~CommandObjectGUI() {}
32
33 bool CommandObjectGUI::DoExecute(Args &args, CommandReturnObject &result) {
34 #ifndef LLDB_DISABLE_CURSES
35   if (args.GetArgumentCount() == 0) {
36     Debugger &debugger = m_interpreter.GetDebugger();
37
38     lldb::StreamFileSP input_sp = debugger.GetInputFile();
39     if (input_sp && input_sp->GetFile().GetIsRealTerminal() &&
40         input_sp->GetFile().GetIsInteractive()) {
41       IOHandlerSP io_handler_sp(new IOHandlerCursesGUI(debugger));
42       if (io_handler_sp)
43         debugger.PushIOHandler(io_handler_sp);
44       result.SetStatus(eReturnStatusSuccessFinishResult);
45     } else {
46       result.AppendError("the gui command requires an interactive terminal.");
47       result.SetStatus(eReturnStatusFailed);
48     }
49   } else {
50     result.AppendError("the gui command takes no arguments.");
51     result.SetStatus(eReturnStatusFailed);
52   }
53   return true;
54 #else
55   result.AppendError("lldb was not build with gui support");
56   return false;
57 #endif
58 }