Reland of "Make d8 stop using to-be-deprecated APIs"

src/d8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #ifndef V8_SHARED
 #include "src/allocation.h"
 #include "src/hashmap.h"
@@ skipping 81 matching lines @@
 };
 #endif  // !V8_SHARED
 
 
 class LineEditor {
  public:
   enum Type { DUMB = 0, READLINE = 1 };
   LineEditor(Type type, const char* name);
   virtual ~LineEditor() { }
 
-  virtual Handle<String> Prompt(const char* prompt) = 0;
+  virtual Local<String> Prompt(const char* prompt) = 0;
   virtual bool Open(Isolate* isolate) { return true; }
   virtual bool Close() { return true; }
   virtual void AddHistory(const char* str) { }
 
   const char* name() { return name_; }
   static LineEditor* Get() { return current_; }
  private:
   Type type_;
   const char* name_;
   static LineEditor* current_;
@@ skipping 43 matching lines @@
 
   static base::Thread::Options GetThreadOptions();
   void ExecuteInThread();
 
   base::Semaphore next_semaphore_;
   base::Semaphore done_semaphore_;
   base::Thread* thread_;
 #endif  // !V8_SHARED
 
   void ExitShell(int exit_code);
-  Handle<String> ReadFile(Isolate* isolate, const char* name);
+  Local<String> ReadFile(Isolate* isolate, const char* name);
 
   const char** argv_;
   int begin_offset_;
   int end_offset_;
 };
 
 #ifndef V8_SHARED
 enum SerializationTag {
   kSerializationTagUndefined,
   kSerializationTagNull,
@@ skipping 165 matching lines @@
 
 #ifdef V8_SHARED
 class Shell {
 #else
 class Shell : public i::AllStatic {
 #endif  // V8_SHARED
 
  public:
   enum SourceType { SCRIPT, MODULE };
 
-  static Local<Script> CompileString(
+  static MaybeLocal<Script> CompileString(
       Isolate* isolate, Local<String> source, Local<Value> name,
       v8::ScriptCompiler::CompileOptions compile_options,
       SourceType source_type);
-  static bool ExecuteString(Isolate* isolate, Handle<String> source,
-                            Handle<Value> name, bool print_result,
+  static bool ExecuteString(Isolate* isolate, Local<String> source,
+                            Local<Value> name, bool print_result,
                             bool report_exceptions,
                             SourceType source_type = SCRIPT);
   static const char* ToCString(const v8::String::Utf8Value& value);
   static void ReportException(Isolate* isolate, TryCatch* try_catch);
-  static Handle<String> ReadFile(Isolate* isolate, const char* name);
+  static Local<String> ReadFile(Isolate* isolate, const char* name);
   static Local<Context> CreateEvaluationContext(Isolate* isolate);
   static int RunMain(Isolate* isolate, int argc, char* argv[]);
   static int Main(int argc, char* argv[]);
   static void Exit(int exit_code);
   static void OnExit(Isolate* isolate);
   static void CollectGarbage(Isolate* isolate);
   static void EmptyMessageQueues(Isolate* isolate);
 
 #ifndef V8_SHARED
   // TODO(binji): stupid implementation for now. Is there an easy way to hash an
   // object for use in i::HashMap? By pointer?
-  typedef i::List<Handle<Object>> ObjectList;
-  static bool SerializeValue(Isolate* isolate, Handle<Value> value,
+  typedef i::List<Local<Object>> ObjectList;
+  static bool SerializeValue(Isolate* isolate, Local<Value> value,
                              const ObjectList& to_transfer,
                              ObjectList* seen_objects,
                              SerializationData* out_data);
   static MaybeLocal<Value> DeserializeValue(Isolate* isolate,
                                             const SerializationData& data,
                                             int* offset);
   static void CleanupWorkers();
-  static Handle<Array> GetCompletions(Isolate* isolate,
-                                      Handle<String> text,
-                                      Handle<String> full);
+  static Local<Array> GetCompletions(Isolate* isolate, Local<String> text,
+                                     Local<String> full);
   static int* LookupCounter(const char* name);
   static void* CreateHistogram(const char* name,
                                int min,
                                int max,
                                size_t buckets);
   static void AddHistogramSample(void* histogram, int sample);
   static void MapCounters(v8::Isolate* isolate, const char* name);
 
   static Local<Object> DebugMessageDetails(Isolate* isolate,
-                                           Handle<String> message);
+                                           Local<String> message);
   static Local<Value> DebugCommandToJSONRequest(Isolate* isolate,
-                                                Handle<String> command);
+                                                Local<String> command);
 
   static void PerformanceNow(const v8::FunctionCallbackInfo<v8::Value>& args);
 #endif  // !V8_SHARED
 
   static void RealmCurrent(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmOwner(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmGlobal(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmCreate(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmDispose(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmSwitch(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmEval(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmSharedGet(Local<String> property,
                              const  PropertyCallbackInfo<Value>& info);
   static void RealmSharedSet(Local<String> property,
                              Local<Value> value,
                              const  PropertyCallbackInfo<void>& info);
 
   static void Print(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Write(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void QuitOnce(v8::FunctionCallbackInfo<v8::Value>* args);
   static void Quit(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Version(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Read(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void ReadBuffer(const v8::FunctionCallbackInfo<v8::Value>& args);
-  static Handle<String> ReadFromStdin(Isolate* isolate);
+  static Local<String> ReadFromStdin(Isolate* isolate);
   static void ReadLine(const v8::FunctionCallbackInfo<v8::Value>& args) {
     args.GetReturnValue().Set(ReadFromStdin(args.GetIsolate()));
   }
   static void Load(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WorkerNew(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WorkerPostMessage(
       const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WorkerGetMessage(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WorkerTerminate(const v8::FunctionCallbackInfo<v8::Value>& args);
   // The OS object on the global object contains methods for performing
@@ skipping 24 matching lines @@
   // the "mkdir -p" command.
   static void System(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void ChangeDirectory(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void SetEnvironment(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void UnsetEnvironment(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void SetUMask(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void MakeDirectory(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RemoveDirectory(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   static void AddOSMethods(v8::Isolate* isolate,
-                           Handle<ObjectTemplate> os_template);
+                           Local<ObjectTemplate> os_template);
 
   static const char* kPrompt;
   static ShellOptions options;
   static ArrayBuffer::Allocator* array_buffer_allocator;
 
  private:
-  static Persistent<Context> evaluation_context_;
+  static Global<Context> evaluation_context_;
   static base::OnceType quit_once_;
 #ifndef V8_SHARED
-  static Persistent<Context> utility_context_;
+  static Global<Context> utility_context_;
   static CounterMap* counter_map_;
   // We statically allocate a set of local counters to be used if we
   // don't want to store the stats in a memory-mapped file
   static CounterCollection local_counters_;
   static CounterCollection* counters_;
   static base::OS::MemoryMappedFile* counters_file_;
   static base::LazyMutex context_mutex_;
   static const base::TimeTicks kInitialTicks;
 
   static base::LazyMutex workers_mutex_;
   static bool allow_new_workers_;
   static i::List<Worker*> workers_;
   static i::List<SharedArrayBuffer::Contents> externalized_shared_contents_;
 
   static Counter* GetCounter(const char* name, bool is_histogram);
   static void InstallUtilityScript(Isolate* isolate);
 #endif  // !V8_SHARED
   static void Initialize(Isolate* isolate);
   static void InitializeDebugger(Isolate* isolate);
   static void RunShell(Isolate* isolate);
   static bool SetOptions(int argc, char* argv[]);
-  static Handle<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_