1 files changed, 52 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectGUI.cpp b/lldb/source/Commands/CommandObjectGUI.cpp
new file mode 100644
index 0000000000000..fac2e96277839
--- /dev/null
+++ b/lldb/source/Commands/CommandObjectGUI.cpp
@@ -0,0 +1,52 @@
+//===-- CommandObjectGUI.cpp ------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectGUI.h"
+
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/lldb-private.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+// CommandObjectGUI
+
+CommandObjectGUI::CommandObjectGUI(CommandInterpreter &interpreter)
+    : CommandObjectParsed(interpreter, "gui",
+                          "Switch into the curses based GUI mode.", "gui") {}
+
+CommandObjectGUI::~CommandObjectGUI() {}
+
+bool CommandObjectGUI::DoExecute(Args &args, CommandReturnObject &result) {
+#ifndef LLDB_DISABLE_CURSES
+  if (args.GetArgumentCount() == 0) {
+    Debugger &debugger = GetDebugger();
+
+    File &input = debugger.GetInputFile();
+    File &output = debugger.GetOutputFile();
+    if (input.GetStream() && output.GetStream() && input.GetIsRealTerminal() &&
+        input.GetIsInteractive()) {
+      IOHandlerSP io_handler_sp(new IOHandlerCursesGUI(debugger));
+      if (io_handler_sp)
+        debugger.PushIOHandler(io_handler_sp);
+      result.SetStatus(eReturnStatusSuccessFinishResult);
+    } else {
+      result.AppendError("the gui command requires an interactive terminal.");
+      result.SetStatus(eReturnStatusFailed);
+    }
+  } else {
+    result.AppendError("the gui command takes no arguments.");
+    result.SetStatus(eReturnStatusFailed);
+  }
+  return true;
+#else
+  result.AppendError("lldb was not build with gui support");
+  return false;
+#endif
+}