contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp

   1 //===-- ScriptInterpreterNone.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 "ScriptInterpreterNone.h"
  11 #include "lldb/Core/Debugger.h"
  12 #include "lldb/Core/PluginManager.h"
  13 #include "lldb/Core/StreamFile.h"
  14 #include "lldb/Interpreter/CommandInterpreter.h"
  15 #include "lldb/Utility/Stream.h"
  16 #include "lldb/Utility/StringList.h"
  17
  18 #include "llvm/Support/Threading.h"
  19
  20 #include <mutex>
  21
  22 using namespace lldb;
  23 using namespace lldb_private;
  24
  25 ScriptInterpreterNone::ScriptInterpreterNone(CommandInterpreter &interpreter)
  26     : ScriptInterpreter(interpreter, eScriptLanguageNone) {}
  27
  28 ScriptInterpreterNone::~ScriptInterpreterNone() {}
  29
  30 bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
  31                                            CommandReturnObject *,
  32                                            const ExecuteScriptOptions &) {
  33   m_interpreter.GetDebugger().GetErrorFile()->PutCString(
  34       "error: there is no embedded script interpreter in this mode.\n");
  35   return false;
  36 }
  37
  38 void ScriptInterpreterNone::ExecuteInterpreterLoop() {
  39   m_interpreter.GetDebugger().GetErrorFile()->PutCString(
  40       "error: there is no embedded script interpreter in this mode.\n");
  41 }
  42
  43 void ScriptInterpreterNone::Initialize() {
  44   static llvm::once_flag g_once_flag;
  45
  46   llvm::call_once(g_once_flag, []() {
  47     PluginManager::RegisterPlugin(GetPluginNameStatic(),
  48                                   GetPluginDescriptionStatic(),
  49                                   lldb::eScriptLanguageNone, CreateInstance);
  50   });
  51 }
  52
  53 void ScriptInterpreterNone::Terminate() {}
  54
  55 lldb::ScriptInterpreterSP
  56 ScriptInterpreterNone::CreateInstance(CommandInterpreter &interpreter) {
  57   return std::make_shared<ScriptInterpreterNone>(interpreter);
  58 }
  59
  60 lldb_private::ConstString ScriptInterpreterNone::GetPluginNameStatic() {
  61   static ConstString g_name("script-none");
  62   return g_name;
  63 }
  64
  65 const char *ScriptInterpreterNone::GetPluginDescriptionStatic() {
  66   return "Null script interpreter";
  67 }
  68
  69 lldb_private::ConstString ScriptInterpreterNone::GetPluginName() {
  70   return GetPluginNameStatic();
  71 }
  72
  73 uint32_t ScriptInterpreterNone::GetPluginVersion() { return 1; }