lldb/source/Commands/CommandObjectGUI.cpp

   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.RunIOHandlerAsync(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 }