Merge up to 8597 to experimental/gc from the bleeding edge.

src/d8.h

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #include "allocation.h"
 #include "v8.h"
 #include "hashmap.h"
 
-#ifdef COMPRESS_STARTUP_DATA_BZ2
-#error Using compressed startup data is not supported for D8
-#endif
-
 namespace v8 {
 
 
 namespace i = v8::internal;
 
 
 // A single counter in a counter collection.
 class Counter {
  public:
   static const int kMaxNameSize = 64;
@@ skipping 52 matching lines @@
     explicit Iterator(CounterMap* map)
         : map_(&map->hash_map_), entry_(map_->Start()) { }
     void Next() { entry_ = map_->Next(entry_); }
     bool More() { return entry_ != NULL; }
     const char* CurrentKey() { return static_cast<const char*>(entry_->key); }
     Counter* CurrentValue() { return static_cast<Counter*>(entry_->value); }
    private:
     i::HashMap* map_;
     i::HashMap::Entry* entry_;
   };
+
  private:
   static int Hash(const char* name);
   static bool Match(void* key1, void* key2);
   i::HashMap hash_map_;
 };
 
 
+class SourceGroup {
+ public:
+  SourceGroup()
+      : next_semaphore_(v8::internal::OS::CreateSemaphore(0)),
+        done_semaphore_(v8::internal::OS::CreateSemaphore(0)),
+        thread_(NULL),
+        argv_(NULL),
+        begin_offset_(0),
+        end_offset_(0) { }
+
+  void Begin(char** argv, int offset) {
+    argv_ = const_cast<const char**>(argv);
+    begin_offset_ = offset;
+  }
+
+  void End(int offset) { end_offset_ = offset; }
+
+  void Execute();
+
+  void StartExecuteInThread();
+  void WaitForThread();
+
+ private:
+  class IsolateThread : public i::Thread {
+   public:
+    explicit IsolateThread(SourceGroup* group)
+        : i::Thread(GetThreadOptions()), group_(group) {}
+
+    virtual void Run() {
+      group_->ExecuteInThread();
+    }
+
+   private:
+    SourceGroup* group_;
+  };
+
+  static i::Thread::Options GetThreadOptions();
+  void ExecuteInThread();
+
+  i::Semaphore* next_semaphore_;
+  i::Semaphore* done_semaphore_;
+  i::Thread* thread_;
+
+  void ExitShell(int exit_code);
+  Handle<String> ReadFile(const char* name);
+
+  const char** argv_;
+  int begin_offset_;
+  int end_offset_;
+};
+
+
+class ShellOptions {
+ public:
+  ShellOptions()
+     : script_executed(false),
+       last_run(true),
+       stress_opt(false),
+       stress_deopt(false),
+       interactive_shell(false),
+       test_shell(false),
+       use_preemption(true),
+       preemption_interval(10),
+       num_isolates(1),
+       isolate_sources(NULL),
+       parallel_files(NULL) { }
+
+  bool script_executed;
+  bool last_run;
+  bool stress_opt;
+  bool stress_deopt;
+  bool interactive_shell;
+  bool test_shell;
+  bool use_preemption;
+  int preemption_interval;
+  int num_isolates;
+  SourceGroup* isolate_sources;
+  i::List< i::Vector<const char> >* parallel_files;
+};
+
+
 class Shell: public i::AllStatic {
  public:
   static bool ExecuteString(Handle<String> source,
                             Handle<Value> name,
                             bool print_result,
                             bool report_exceptions);
   static const char* ToCString(const v8::String::Utf8Value& value);
   static void ReportException(TryCatch* try_catch);
-  static void Initialize();
   static void OnExit();
   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(const char* name);
   static Handle<String> ReadFile(const char* name);
+  static void Initialize();
+  static Persistent<Context> CreateEvaluationContext();
+  static void InstallUtilityScript();
   static void RunShell();
+  static bool SetOptions(int argc, char* argv[]);
+  static int RunScript(char* filename);
+  static int RunMain(int argc, char* argv[]);
   static int Main(int argc, char* argv[]);
+  static Handle<ObjectTemplate> CreateGlobalTemplate();
   static Handle<Array> GetCompletions(Handle<String> text,
                                       Handle<String> full);
 #ifdef ENABLE_DEBUGGER_SUPPORT
   static Handle<Object> DebugMessageDetails(Handle<String> message);
   static Handle<Value> DebugCommandToJSONRequest(Handle<String> command);
 #endif
 
 #ifdef WIN32
 #undef Yield
 #endif
 
   static Handle<Value> Print(const Arguments& args);
   static Handle<Value> Write(const Arguments& args);
   static Handle<Value> Yield(const Arguments& args);
   static Handle<Value> Quit(const Arguments& args);
   static Handle<Value> Version(const Arguments& args);
   static Handle<Value> Read(const Arguments& args);
   static Handle<Value> ReadLine(const Arguments& args);
   static Handle<Value> Load(const Arguments& args);
+  static Handle<Value> Int8Array(const Arguments& args);
+  static Handle<Value> Uint8Array(const Arguments& args);
+  static Handle<Value> Int16Array(const Arguments& args);
+  static Handle<Value> Uint16Array(const Arguments& args);
+  static Handle<Value> Int32Array(const Arguments& args);
+  static Handle<Value> Uint32Array(const Arguments& args);
+  static Handle<Value> Float32Array(const Arguments& args);
+  static Handle<Value> Float64Array(const Arguments& args);
+  static Handle<Value> PixelArray(const Arguments& args);
   // The OS object on the global object contains methods for performing
   // operating system calls:
   //
   // os.system("program_name", ["arg1", "arg2", ...], timeout1, timeout2) will
   // run the command, passing the arguments to the program.  The standard output
   // of the program will be picked up and returned as a multiline string.  If
   // timeout1 is present then it should be a number.  -1 indicates no timeout
   // and a positive number is used as a timeout in milliseconds that limits the
   // time spent waiting between receiving output characters from the program.
   // timeout2, if present, should be a number indicating the limit in
@@ skipping 17 matching lines @@
   static Handle<Value> System(const Arguments& args);
   static Handle<Value> ChangeDirectory(const Arguments& args);
   static Handle<Value> SetEnvironment(const Arguments& args);
   static Handle<Value> UnsetEnvironment(const Arguments& args);
   static Handle<Value> SetUMask(const Arguments& args);
   static Handle<Value> MakeDirectory(const Arguments& args);
   static Handle<Value> RemoveDirectory(const Arguments& args);
 
   static void AddOSMethods(Handle<ObjectTemplate> os_template);
 
-  static Handle<Context> utility_context() { return utility_context_; }
-
   static const char* kHistoryFileName;
   static const char* kPrompt;
+
+  static ShellOptions options;
+
  private:
   static Persistent<Context> utility_context_;
   static Persistent<Context> evaluation_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 i::OS::MemoryMappedFile* counters_file_;
+  static i::Mutex* context_mutex_;
   static Counter* GetCounter(const char* name, bool is_histogram);
+  static Handle<Value> CreateExternalArray(const Arguments& args,
+                                           ExternalArrayType type,
+                                           size_t element_size);
+  static void ExternalArrayWeakCallback(Persistent<Value> object, void* data);
 };
 
 
 class LineEditor {
  public:
   enum Type { DUMB = 0, READLINE = 1 };
   LineEditor(Type type, const char* name);
   virtual ~LineEditor() { }
 
   virtual i::SmartPointer<char> Prompt(const char* prompt) = 0;
   virtual bool Open() { return true; }
   virtual bool Close() { return true; }
   virtual void AddHistory(const char* str) { }
 
   const char* name() { return name_; }
   static LineEditor* Get();
  private:
   Type type_;
   const char* name_;
   LineEditor* next_;
   static LineEditor* first_;
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_