diff options
Diffstat (limited to 'lldb/source/Commands/CommandObjectQuit.cpp')
| -rw-r--r-- | lldb/source/Commands/CommandObjectQuit.cpp | 107 | 
1 files changed, 107 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectQuit.cpp b/lldb/source/Commands/CommandObjectQuit.cpp new file mode 100644 index 0000000000000..70ee336f8a1bd --- /dev/null +++ b/lldb/source/Commands/CommandObjectQuit.cpp @@ -0,0 +1,107 @@ +//===-- CommandObjectQuit.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 "CommandObjectQuit.h" + +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Target/Process.h" +#include "lldb/Utility/StreamString.h" + +using namespace lldb; +using namespace lldb_private; + +// CommandObjectQuit + +CommandObjectQuit::CommandObjectQuit(CommandInterpreter &interpreter) +    : CommandObjectParsed(interpreter, "quit", "Quit the LLDB debugger.", +                          "quit [exit-code]") {} + +CommandObjectQuit::~CommandObjectQuit() {} + +// returns true if there is at least one alive process is_a_detach will be true +// if all alive processes will be detached when you quit and false if at least +// one process will be killed instead +bool CommandObjectQuit::ShouldAskForConfirmation(bool &is_a_detach) { +  if (!m_interpreter.GetPromptOnQuit()) +    return false; +  bool should_prompt = false; +  is_a_detach = true; +  for (uint32_t debugger_idx = 0; debugger_idx < Debugger::GetNumDebuggers(); +       debugger_idx++) { +    DebuggerSP debugger_sp(Debugger::GetDebuggerAtIndex(debugger_idx)); +    if (!debugger_sp) +      continue; +    const TargetList &target_list(debugger_sp->GetTargetList()); +    for (uint32_t target_idx = 0; +         target_idx < static_cast<uint32_t>(target_list.GetNumTargets()); +         target_idx++) { +      TargetSP target_sp(target_list.GetTargetAtIndex(target_idx)); +      if (!target_sp) +        continue; +      ProcessSP process_sp(target_sp->GetProcessSP()); +      if (process_sp && process_sp->IsValid() && process_sp->IsAlive() && +          process_sp->WarnBeforeDetach()) { +        should_prompt = true; +        if (!process_sp->GetShouldDetach()) { +          // if we need to kill at least one process, just say so and return +          is_a_detach = false; +          return should_prompt; +        } +      } +    } +  } +  return should_prompt; +} + +bool CommandObjectQuit::DoExecute(Args &command, CommandReturnObject &result) { +  bool is_a_detach = true; +  if (ShouldAskForConfirmation(is_a_detach)) { +    StreamString message; +    message.Printf("Quitting LLDB will %s one or more processes. Do you really " +                   "want to proceed", +                   (is_a_detach ? "detach from" : "kill")); +    if (!m_interpreter.Confirm(message.GetString(), true)) { +      result.SetStatus(eReturnStatusFailed); +      return false; +    } +  } + +  if (command.GetArgumentCount() > 1) { +    result.AppendError("Too many arguments for 'quit'. Only an optional exit " +                       "code is allowed"); +    result.SetStatus(eReturnStatusFailed); +    return false; +  } + +  // We parse the exit code argument if there is one. +  if (command.GetArgumentCount() == 1) { +    llvm::StringRef arg = command.GetArgumentAtIndex(0); +    int exit_code; +    if (arg.getAsInteger(/*autodetect radix*/ 0, exit_code)) { +      lldb_private::StreamString s; +      std::string arg_str = arg.str(); +      s.Printf("Couldn't parse '%s' as integer for exit code.", arg_str.data()); +      result.AppendError(s.GetString()); +      result.SetStatus(eReturnStatusFailed); +      return false; +    } +    if (!m_interpreter.SetQuitExitCode(exit_code)) { +      result.AppendError("The current driver doesn't allow custom exit codes" +                         " for the quit command."); +      result.SetStatus(eReturnStatusFailed); +      return false; +    } +  } + +  const uint32_t event_type = +      CommandInterpreter::eBroadcastBitQuitCommandReceived; +  m_interpreter.BroadcastEvent(event_type); +  result.SetStatus(eReturnStatusQuit); +  return true; +}  | 
