v8::Shell Class Reference

#include <d8.h>

Inheritance diagram for v8::Shell:

Collaboration diagram for v8::Shell:

Static Public Member Functions
static Local< UnboundScript >	CompileString (Isolate *isolate, Local< String > source, Local< Value > name, v8::ScriptCompiler::CompileOptions compile_options)
static bool	ExecuteString (Isolate *isolate, Handle< String > source, Handle< Value > name, bool print_result, bool report_exceptions)
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< 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 ()
static Handle< Array >	GetCompletions (Isolate *isolate, Handle< String > text, Handle< 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)
static Local< Value >	DebugCommandToJSONRequest (Isolate *isolate, Handle< String > command)
static void	PerformanceNow (const v8::FunctionCallbackInfo< v8::Value > &args)
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	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 void	ReadLine (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Load (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	ArrayBuffer (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Int8Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Uint8Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Int16Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Uint16Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Int32Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Uint32Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Float32Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Float64Array (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	Uint8ClampedArray (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	ArrayBufferSlice (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	ArraySubArray (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	ArraySet (const v8::FunctionCallbackInfo< v8::Value > &args)
static void	OSObject (const v8::FunctionCallbackInfo< v8::Value > &args)
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)

Static Public Attributes
static const char *	kPrompt = "d8> "
static ShellOptions	options

Static Private Member Functions
static Counter *	GetCounter (const char *name, bool is_histogram)
static void	InstallUtilityScript (Isolate *isolate)
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 Handle< FunctionTemplate >	CreateArrayBufferTemplate (FunctionCallback)
static Handle< FunctionTemplate >	CreateArrayTemplate (FunctionCallback)
static Handle< Value >	CreateExternalArrayBuffer (Isolate *isolate, Handle< Object > buffer, int32_t size)
static Handle< Object >	CreateExternalArray (Isolate *isolate, Handle< Object > array, Handle< Object > buffer, ExternalArrayType type, int32_t length, int32_t byteLength, int32_t byteOffset, int32_t element_size)
static void	CreateExternalArray (const v8::FunctionCallbackInfo< v8::Value > &args, ExternalArrayType type, int32_t element_size)
static void	ExternalArrayWeakCallback (Isolate *isolate, Persistent< Object > *object, uint8_t *data)

Static Private Attributes
static Persistent< Context >	evaluation_context_
static Persistent< Context >	utility_context_
static CounterMap *	counter_map_
static CounterCollection	local_counters_
static CounterCollection *	counters_ = &local_counters_
static base::OS::MemoryMappedFile *	counters_file_ = NULL
static base::Mutex	context_mutex_
static const base::TimeTicks	kInitialTicks

Detailed Description

Definition at line 247 of file d8.h.

Member Function Documentation

AddHistogramSample()

void v8::Shell::AddHistogramSample ( void *  histogram, int  sample  )

static

Definition at line 781 of file d8.cc.

                                                          {
  Counter* counter = reinterpret_cast<Counter*>(histogram);
  counter->AddSample(sample);
}

References v8::Counter::AddSample().

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AddOSMethods()

void v8::Shell::AddOSMethods ( v8::Isolate *  isolate, Handle< ObjectTemplate >  os_template  )

static

Definition at line 709 of file d8-posix.cc.

                                                                          {
  os_templ->Set(String::NewFromUtf8(isolate, "system"),
                FunctionTemplate::New(isolate, System));
  os_templ->Set(String::NewFromUtf8(isolate, "chdir"),
                FunctionTemplate::New(isolate, ChangeDirectory));
  os_templ->Set(String::NewFromUtf8(isolate, "setenv"),
                FunctionTemplate::New(isolate, SetEnvironment));
  os_templ->Set(String::NewFromUtf8(isolate, "unsetenv"),
                FunctionTemplate::New(isolate, UnsetEnvironment));
  os_templ->Set(String::NewFromUtf8(isolate, "umask"),
                FunctionTemplate::New(isolate, SetUMask));
  os_templ->Set(String::NewFromUtf8(isolate, "mkdirp"),
                FunctionTemplate::New(isolate, MakeDirectory));
  os_templ->Set(String::NewFromUtf8(isolate, "rmdir"),
                FunctionTemplate::New(isolate, RemoveDirectory));
}

References ChangeDirectory(), MakeDirectory(), v8::FunctionTemplate::New(), v8::String::NewFromUtf8(), RemoveDirectory(), SetEnvironment(), SetUMask(), System(), and UnsetEnvironment().

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ArrayBuffer()

static void v8::Shell::ArrayBuffer ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

ArrayBufferSlice()

static void v8::Shell::ArrayBufferSlice ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

ArraySet()

static void v8::Shell::ArraySet ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

ArraySubArray()

static void v8::Shell::ArraySubArray ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

ChangeDirectory()

void v8::Shell::ChangeDirectory ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 527 of file d8-posix.cc.

                                                                       {
  if (args.Length() != 1) {
    const char* message = "chdir() takes one argument";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  String::Utf8Value directory(args[0]);
  if (*directory == NULL) {
    const char* message = "os.chdir(): String conversion of argument failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  if (chdir(*directory) != 0) {
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), strerror(errno)));
    return;
  }
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), NULL, and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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CompileString()

Local< UnboundScript > v8::Shell::CompileString ( Isolate *  isolate, Local< String >  source, Local< Value >  name, v8::ScriptCompiler::CompileOptions  compile_options  )

static

Definition at line 181 of file d8.cc.

                                                    {
  ScriptOrigin origin(name);
  ScriptCompiler::Source script_source(source, origin);
  Local<UnboundScript> script =
      ScriptCompiler::CompileUnbound(isolate, &script_source, compile_options);
 
  // Was caching requested & successful? Then compile again, now with cache.
  if (script_source.GetCachedData()) {
    if (compile_options == ScriptCompiler::kProduceCodeCache) {
      compile_options = ScriptCompiler::kConsumeCodeCache;
    } else if (compile_options == ScriptCompiler::kProduceParserCache) {
      compile_options = ScriptCompiler::kConsumeParserCache;
    } else {
      DCHECK(false);  // A new compile option?
    }
    ScriptCompiler::Source cached_source(
        source, origin, new v8::ScriptCompiler::CachedData(
                            script_source.GetCachedData()->data,
                            script_source.GetCachedData()->length,
                            v8::ScriptCompiler::CachedData::BufferNotOwned));
    script = ScriptCompiler::CompileUnbound(isolate, &cached_source,
                                            compile_options);
  }
  return script;
}

References v8::ScriptCompiler::CachedData::BufferNotOwned, v8::ScriptCompiler::CompileUnbound(), v8::ScriptCompiler::CachedData::data, DCHECK, v8::ScriptCompiler::Source::GetCachedData(), v8::ScriptCompiler::kConsumeCodeCache, v8::ScriptCompiler::kConsumeParserCache, v8::ScriptCompiler::kProduceCodeCache, v8::ScriptCompiler::kProduceParserCache, v8::ScriptCompiler::CachedData::length, and name.

Referenced by ExecuteString().

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CreateArrayBufferTemplate()

static Handle<FunctionTemplate> v8::Shell::CreateArrayBufferTemplate ( FunctionCallback  )

staticprivate

CreateArrayTemplate()

static Handle<FunctionTemplate> v8::Shell::CreateArrayTemplate ( FunctionCallback  )

staticprivate

CreateEvaluationContext()

Local< Context > v8::Shell::CreateEvaluationContext ( Isolate *  isolate )

static

Definition at line 960 of file d8.cc.

                                                              {
#ifndef V8_SHARED
  // This needs to be a critical section since this is not thread-safe
  base::LockGuard<base::Mutex> lock_guard(&context_mutex_);
#endif  // !V8_SHARED
  // Initialize the global objects
  Handle<ObjectTemplate> global_template = CreateGlobalTemplate(isolate);
  EscapableHandleScope handle_scope(isolate);
  Local<Context> context = Context::New(isolate, NULL, global_template);
  DCHECK(!context.IsEmpty());
  Context::Scope scope(context);
 
#ifndef V8_SHARED
  i::Factory* factory = reinterpret_cast<i::Isolate*>(isolate)->factory();
  i::JSArguments js_args = i::FLAG_js_arguments;
  i::Handle<i::FixedArray> arguments_array =
      factory->NewFixedArray(js_args.argc);
  for (int j = 0; j < js_args.argc; j++) {
    i::Handle<i::String> arg =
        factory->NewStringFromUtf8(i::CStrVector(js_args[j])).ToHandleChecked();
    arguments_array->set(j, *arg);
  }
  i::Handle<i::JSArray> arguments_jsarray =
      factory->NewJSArrayWithElements(arguments_array);
  context->Global()->Set(String::NewFromUtf8(isolate, "arguments"),
                         Utils::ToLocal(arguments_jsarray));
#endif  // !V8_SHARED
  return handle_scope.Escape(context);
}

References v8::internal::CStrVector(), DCHECK, v8::EscapableHandleScope::Escape(), v8::Handle< T >::IsEmpty(), v8::Context::New(), v8::String::NewFromUtf8(), NULL, and v8::Utils::ToLocal().

Referenced by v8::SourceGroup::ExecuteInThread().

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CreateExternalArray() [1/2]

static void v8::Shell::CreateExternalArray ( const v8::FunctionCallbackInfo< v8::Value > &  args, ExternalArrayType  type, int32_t  element_size  )

staticprivate

CreateExternalArray() [2/2]

static Handle<Object> v8::Shell::CreateExternalArray ( Isolate *  isolate, Handle< Object >  array, Handle< Object >  buffer, ExternalArrayType  type, int32_t  length, int32_t  byteLength, int32_t  byteOffset, int32_t  element_size  )

staticprivate

CreateExternalArrayBuffer()

static Handle<Value> v8::Shell::CreateExternalArrayBuffer ( Isolate *  isolate, Handle< Object >  buffer, int32_t  size  )

staticprivate

CreateGlobalTemplate()

Handle< ObjectTemplate > v8::Shell::CreateGlobalTemplate ( Isolate *  isolate )

staticprivate

Definition at line 870 of file d8.cc.

                                                                   {
  Handle<ObjectTemplate> global_template = ObjectTemplate::New(isolate);
  global_template->Set(String::NewFromUtf8(isolate, "print"),
                       FunctionTemplate::New(isolate, Print));
  global_template->Set(String::NewFromUtf8(isolate, "write"),
                       FunctionTemplate::New(isolate, Write));
  global_template->Set(String::NewFromUtf8(isolate, "read"),
                       FunctionTemplate::New(isolate, Read));
  global_template->Set(String::NewFromUtf8(isolate, "readbuffer"),
                       FunctionTemplate::New(isolate, ReadBuffer));
  global_template->Set(String::NewFromUtf8(isolate, "readline"),
                       FunctionTemplate::New(isolate, ReadLine));
  global_template->Set(String::NewFromUtf8(isolate, "load"),
                       FunctionTemplate::New(isolate, Load));
  global_template->Set(String::NewFromUtf8(isolate, "quit"),
                       FunctionTemplate::New(isolate, Quit));
  global_template->Set(String::NewFromUtf8(isolate, "version"),
                       FunctionTemplate::New(isolate, Version));
 
  // Bind the Realm object.
  Handle<ObjectTemplate> realm_template = ObjectTemplate::New(isolate);
  realm_template->Set(String::NewFromUtf8(isolate, "current"),
                      FunctionTemplate::New(isolate, RealmCurrent));
  realm_template->Set(String::NewFromUtf8(isolate, "owner"),
                      FunctionTemplate::New(isolate, RealmOwner));
  realm_template->Set(String::NewFromUtf8(isolate, "global"),
                      FunctionTemplate::New(isolate, RealmGlobal));
  realm_template->Set(String::NewFromUtf8(isolate, "create"),
                      FunctionTemplate::New(isolate, RealmCreate));
  realm_template->Set(String::NewFromUtf8(isolate, "dispose"),
                      FunctionTemplate::New(isolate, RealmDispose));
  realm_template->Set(String::NewFromUtf8(isolate, "switch"),
                      FunctionTemplate::New(isolate, RealmSwitch));
  realm_template->Set(String::NewFromUtf8(isolate, "eval"),
                      FunctionTemplate::New(isolate, RealmEval));
  realm_template->SetAccessor(String::NewFromUtf8(isolate, "shared"),
                              RealmSharedGet, RealmSharedSet);
  global_template->Set(String::NewFromUtf8(isolate, "Realm"), realm_template);
 
#ifndef V8_SHARED
  Handle<ObjectTemplate> performance_template = ObjectTemplate::New(isolate);
  performance_template->Set(String::NewFromUtf8(isolate, "now"),
                            FunctionTemplate::New(isolate, PerformanceNow));
  global_template->Set(String::NewFromUtf8(isolate, "performance"),
                       performance_template);
#endif  // !V8_SHARED
 
  Handle<ObjectTemplate> os_templ = ObjectTemplate::New(isolate);
  AddOSMethods(isolate, os_templ);
  global_template->Set(String::NewFromUtf8(isolate, "os"), os_templ);
 
  return global_template;
}

References v8::ObjectTemplate::New(), v8::FunctionTemplate::New(), v8::String::NewFromUtf8(), and v8::internal::ReadLine().

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CreateHistogram()

void * v8::Shell::CreateHistogram ( const char *  name, int  min, int  max, size_t  buckets  )

static

Definition at line 773 of file d8.cc.

                                             {
  return GetCounter(name, true);
}

References name.

DebugCommandToJSONRequest()

Local< Value > v8::Shell::DebugCommandToJSONRequest ( Isolate *  isolate, Handle< String >  command  )

static

Definition at line 673 of file d8.cc.

                                                                      {
  EscapableHandleScope handle_scope(isolate);
  v8::Local<v8::Context> context =
      v8::Local<v8::Context>::New(isolate, utility_context_);
  v8::Context::Scope context_scope(context);
  Handle<Object> global = context->Global();
  Handle<Value> fun =
      global->Get(String::NewFromUtf8(isolate, "DebugCommandToJSONRequest"));
  static const int kArgc = 1;
  Handle<Value> argv[kArgc] = { command };
  Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv);
  return handle_scope.Escape(Local<Value>(val));
}

References v8::Handle< T >::Cast(), v8::EscapableHandleScope::Escape(), v8::Local< T >::New(), and v8::String::NewFromUtf8().

Referenced by v8::HandleDebugEvent().

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DebugMessageDetails()

Local< Object > v8::Shell::DebugMessageDetails ( Isolate *  isolate, Handle< String >  message  )

static

Definition at line 657 of file d8.cc.

                                                                 {
  EscapableHandleScope handle_scope(isolate);
  v8::Local<v8::Context> context =
      v8::Local<v8::Context>::New(isolate, utility_context_);
  v8::Context::Scope context_scope(context);
  Handle<Object> global = context->Global();
  Handle<Value> fun =
      global->Get(String::NewFromUtf8(isolate, "DebugMessageDetails"));
  static const int kArgc = 1;
  Handle<Value> argv[kArgc] = { message };
  Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv);
  return handle_scope.Escape(Local<Object>(Handle<Object>::Cast(val)));
}

References v8::Handle< T >::Cast(), v8::EscapableHandleScope::Escape(), v8::Local< T >::New(), and v8::String::NewFromUtf8().

Referenced by v8::HandleDebugEvent().

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ExecuteString()

bool v8::Shell::ExecuteString ( Isolate *  isolate, Handle< String >  source, Handle< Value >  name, bool  print_result, bool  report_exceptions  )

static

Definition at line 211 of file d8.cc.

                                                  {
#ifndef V8_SHARED
  bool FLAG_debugger = i::FLAG_debugger;
#else
  bool FLAG_debugger = false;
#endif  // !V8_SHARED
  HandleScope handle_scope(isolate);
  TryCatch try_catch;
  options.script_executed = true;
  if (FLAG_debugger) {
    // When debugging make exceptions appear to be uncaught.
    try_catch.SetVerbose(true);
  }
 
  Handle<UnboundScript> script =
      Shell::CompileString(isolate, source, name, options.compile_options);
  if (script.IsEmpty()) {
    // Print errors that happened during compilation.
    if (report_exceptions && !FLAG_debugger)
      ReportException(isolate, &try_catch);
    return false;
  } else {
    PerIsolateData* data = PerIsolateData::Get(isolate);
    Local<Context> realm =
        Local<Context>::New(isolate, data->realms_[data->realm_current_]);
    realm->Enter();
    Handle<Value> result = script->BindToCurrentContext()->Run();
    realm->Exit();
    data->realm_current_ = data->realm_switch_;
    if (result.IsEmpty()) {
      DCHECK(try_catch.HasCaught());
      // Print errors that happened during execution.
      if (report_exceptions && !FLAG_debugger)
        ReportException(isolate, &try_catch);
      return false;
    } else {
      DCHECK(!try_catch.HasCaught());
      if (print_result) {
#if !defined(V8_SHARED)
        if (options.test_shell) {
#endif
          if (!result->IsUndefined()) {
            // If all went well and the result wasn't undefined then print
            // the returned value.
            v8::String::Utf8Value str(result);
            fwrite(*str, sizeof(**str), str.length(), stdout);
            printf("\n");
          }
#if !defined(V8_SHARED)
        } else {
          v8::TryCatch try_catch;
          v8::Local<v8::Context> context =
              v8::Local<v8::Context>::New(isolate, utility_context_);
          v8::Context::Scope context_scope(context);
          Handle<Object> global = context->Global();
          Handle<Value> fun =
              global->Get(String::NewFromUtf8(isolate, "Stringify"));
          Handle<Value> argv[1] = { result };
          Handle<Value> s = Handle<Function>::Cast(fun)->Call(global, 1, argv);
          if (try_catch.HasCaught()) return true;
          v8::String::Utf8Value str(s);
          fwrite(*str, sizeof(**str), str.length(), stdout);
          printf("\n");
        }
#endif
      }
      return true;
    }
  }
}

References v8::Handle< T >::Cast(), v8::ShellOptions::compile_options, CompileString(), DCHECK, v8::PerIsolateData::Get(), v8::TryCatch::HasCaught(), v8::Handle< T >::IsEmpty(), v8::String::Utf8Value::length(), name, v8::Local< T >::New(), v8::String::NewFromUtf8(), options, v8::PerIsolateData::realm_current_, v8::PerIsolateData::realm_switch_, v8::PerIsolateData::realms_, ReportException(), v8::ShellOptions::script_executed, v8::TryCatch::SetVerbose(), v8::ShellOptions::test_shell, and utility_context_.

Referenced by v8::SourceGroup::Execute().

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Exit()

void v8::Shell::Exit ( int  exit_code )

static

Definition at line 991 of file d8.cc.

                              {
  // Use _exit instead of exit to avoid races between isolate
  // threads and static destructors.
  fflush(stdout);
  fflush(stderr);
  _exit(exit_code);
}

Referenced by v8::SourceGroup::Execute().

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ExternalArrayWeakCallback()

static void v8::Shell::ExternalArrayWeakCallback ( Isolate *  isolate, Persistent< Object > *  object, uint8_t *  data  )

staticprivate

Float32Array()

static void v8::Shell::Float32Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Float64Array()

static void v8::Shell::Float64Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

GetCompletions()

Handle< Array > v8::Shell::GetCompletions ( Isolate *  isolate, Handle< String >  text, Handle< String >  full  )

static

Definition at line 638 of file d8.cc.

                                                         {
  EscapableHandleScope handle_scope(isolate);
  v8::Local<v8::Context> utility_context =
      v8::Local<v8::Context>::New(isolate, utility_context_);
  v8::Context::Scope context_scope(utility_context);
  Handle<Object> global = utility_context->Global();
  Local<Value> fun =
      global->Get(String::NewFromUtf8(isolate, "GetCompletions"));
  static const int kArgc = 3;
  v8::Local<v8::Context> evaluation_context =
      v8::Local<v8::Context>::New(isolate, evaluation_context_);
  Handle<Value> argv[kArgc] = { evaluation_context->Global(), text, full };
  Local<Value> val = Local<Function>::Cast(fun)->Call(global, kArgc, argv);
  return handle_scope.Escape(Local<Array>::Cast(val));
}

References v8::Local< T >::Cast(), v8::EscapableHandleScope::Escape(), v8::Local< T >::New(), and v8::String::NewFromUtf8().

Referenced by v8::ReadLineEditor::CompletionGenerator().

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GetCounter()

Counter * v8::Shell::GetCounter ( const char *  name, bool  is_histogram  )

staticprivate

Definition at line 746 of file d8.cc.

                                                              {
  Counter* counter = counter_map_->Lookup(name);
 
  if (counter == NULL) {
    counter = counters_->GetNextCounter();
    if (counter != NULL) {
      counter_map_->Set(name, counter);
      counter->Bind(name, is_histogram);
    }
  } else {
    DCHECK(counter->is_histogram() == is_histogram);
  }
  return counter;
}

References v8::Counter::Bind(), DCHECK, v8::Counter::is_histogram(), name, and NULL.

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Initialize()

void v8::Shell::Initialize ( Isolate *  isolate )

staticprivate

Definition at line 925 of file d8.cc.

                                       {
#ifdef COMPRESS_STARTUP_DATA_BZ2
  BZip2Decompressor startup_data_decompressor;
  int bz2_result = startup_data_decompressor.Decompress();
  if (bz2_result != BZ_OK) {
    fprintf(stderr, "bzip error code: %d\n", bz2_result);
    Exit(1);
  }
#endif
 
#ifndef V8_SHARED
  Shell::counter_map_ = new CounterMap();
  // Set up counters
  if (i::StrLength(i::FLAG_map_counters) != 0)
    MapCounters(isolate, i::FLAG_map_counters);
  if (i::FLAG_dump_counters || i::FLAG_track_gc_object_stats) {
    isolate->SetCounterFunction(LookupCounter);
    isolate->SetCreateHistogramFunction(CreateHistogram);
    isolate->SetAddHistogramSampleFunction(AddHistogramSample);
  }
#endif  // !V8_SHARED
}

References counter_map_, v8::Isolate::SetAddHistogramSampleFunction(), v8::Isolate::SetCounterFunction(), v8::Isolate::SetCreateHistogramFunction(), and v8::internal::StrLength().

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InitializeDebugger()

void v8::Shell::InitializeDebugger ( Isolate *  isolate )

staticprivate

Definition at line 949 of file d8.cc.

                                               {
  if (options.test_shell) return;
#ifndef V8_SHARED
  HandleScope scope(isolate);
  Handle<ObjectTemplate> global_template = CreateGlobalTemplate(isolate);
  utility_context_.Reset(isolate,
                         Context::New(isolate, NULL, global_template));
#endif  // !V8_SHARED
}

References v8::Context::New(), and NULL.

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InstallUtilityScript()

void v8::Shell::InstallUtilityScript ( Isolate *  isolate )

staticprivate

Definition at line 787 of file d8.cc.

                                                 {
  HandleScope scope(isolate);
  // If we use the utility context, we have to set the security tokens so that
  // utility, evaluation and debug context can all access each other.
  v8::Local<v8::Context> utility_context =
      v8::Local<v8::Context>::New(isolate, utility_context_);
  v8::Local<v8::Context> evaluation_context =
      v8::Local<v8::Context>::New(isolate, evaluation_context_);
  utility_context->SetSecurityToken(Undefined(isolate));
  evaluation_context->SetSecurityToken(Undefined(isolate));
  v8::Context::Scope context_scope(utility_context);
 
  if (i::FLAG_debugger) printf("JavaScript debugger enabled\n");
  // Install the debugger object in the utility scope
  i::Debug* debug = reinterpret_cast<i::Isolate*>(isolate)->debug();
  debug->Load();
  i::Handle<i::Context> debug_context = debug->debug_context();
  i::Handle<i::JSObject> js_debug
      = i::Handle<i::JSObject>(debug_context->global_object());
  utility_context->Global()->Set(String::NewFromUtf8(isolate, "$debug"),
                                 Utils::ToLocal(js_debug));
  debug_context->set_security_token(
      reinterpret_cast<i::Isolate*>(isolate)->heap()->undefined_value());
 
  // Run the d8 shell utility script in the utility context
  int source_index = i::NativesCollection<i::D8>::GetIndex("d8");
  i::Vector<const char> shell_source =
      i::NativesCollection<i::D8>::GetRawScriptSource(source_index);
  i::Vector<const char> shell_source_name =
      i::NativesCollection<i::D8>::GetScriptName(source_index);
  Handle<String> source =
      String::NewFromUtf8(isolate, shell_source.start(), String::kNormalString,
                          shell_source.length());
  Handle<String> name =
      String::NewFromUtf8(isolate, shell_source_name.start(),
                          String::kNormalString, shell_source_name.length());
  ScriptOrigin origin(name);
  Handle<Script> script = Script::Compile(source, &origin);
  script->Run();
  // Mark the d8 shell script as native to avoid it showing up as normal source
  // in the debugger.
  i::Handle<i::Object> compiled_script = Utils::OpenHandle(*script);
  i::Handle<i::Script> script_object = compiled_script->IsJSFunction()
      ? i::Handle<i::Script>(i::Script::cast(
          i::JSFunction::cast(*compiled_script)->shared()->script()))
      : i::Handle<i::Script>(i::Script::cast(
          i::SharedFunctionInfo::cast(*compiled_script)->script()));
  script_object->set_type(i::Smi::FromInt(i::Script::TYPE_NATIVE));
 
  // Start the in-process debugger if requested.
  if (i::FLAG_debugger) v8::Debug::SetDebugEventListener(HandleDebugEvent);
}

References v8::Script::Compile(), v8::internal::Debug::debug_context(), v8::internal::Smi::FromInt(), v8::internal::NativesCollection< type >::GetIndex(), v8::internal::NativesCollection< type >::GetRawScriptSource(), v8::internal::NativesCollection< type >::GetScriptName(), v8::HandleDebugEvent(), v8::String::kNormalString, v8::internal::Vector< T >::length(), v8::internal::Debug::Load(), name, v8::Local< T >::New(), v8::String::NewFromUtf8(), v8::Utils::OpenHandle(), v8::Debug::SetDebugEventListener(), v8::internal::Vector< T >::start(), v8::Utils::ToLocal(), v8::internal::Script::TYPE_NATIVE, and v8::Undefined().

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Int16Array()

static void v8::Shell::Int16Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Int32Array()

static void v8::Shell::Int32Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Int8Array()

static void v8::Shell::Int8Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Load()

void v8::Shell::Load ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 549 of file d8.cc.

                                                            {
  for (int i = 0; i < args.Length(); i++) {
    HandleScope handle_scope(args.GetIsolate());
    String::Utf8Value file(args[i]);
    if (*file == NULL) {
      Throw(args.GetIsolate(), "Error loading file");
      return;
    }
    Handle<String> source = ReadFile(args.GetIsolate(), *file);
    if (source.IsEmpty()) {
      Throw(args.GetIsolate(), "Error loading file");
      return;
    }
    if (!ExecuteString(args.GetIsolate(),
                       source,
                       String::NewFromUtf8(args.GetIsolate(), *file),
                       false,
                       true)) {
      Throw(args.GetIsolate(), "Error executing file");
      return;
    }
  }
}

References file(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::Handle< T >::IsEmpty(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), NULL, v8::internal::ReadFile(), and v8::Throw().

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LookupCounter()

int * v8::Shell::LookupCounter ( const char *  name )

static

Definition at line 762 of file d8.cc.

                                          {
  Counter* counter = GetCounter(name, false);
 
  if (counter != NULL) {
    return counter->ptr();
  } else {
    return NULL;
  }
}

References name, NULL, and v8::Counter::ptr().

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Main()

int v8::Shell::Main ( int  argc, char *  argv[]  )

static

Definition at line 1603 of file d8.cc.

                                      {
#if (defined(_WIN32) || defined(_WIN64))
  UINT new_flags =
      SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
  UINT existing_flags = SetErrorMode(new_flags);
  SetErrorMode(existing_flags | new_flags);
#if defined(_MSC_VER)
  _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
  _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
  _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
  _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
  _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
  _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
  _set_error_mode(_OUT_TO_STDERR);
#endif  // defined(_MSC_VER)
#endif  // defined(_WIN32) || defined(_WIN64)
  if (!SetOptions(argc, argv)) return 1;
  v8::V8::InitializeICU(options.icu_data_file);
  v8::Platform* platform = v8::platform::CreateDefaultPlatform();
  v8::V8::InitializePlatform(platform);
  v8::V8::Initialize();
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
  StartupDataHandler startup_data(options.natives_blob, options.snapshot_blob);
#endif
  SetFlagsFromString("--trace-hydrogen-file=hydrogen.cfg");
  SetFlagsFromString("--redirect-code-traces-to=code.asm");
  ShellArrayBufferAllocator array_buffer_allocator;
  MockArrayBufferAllocator mock_arraybuffer_allocator;
  if (options.mock_arraybuffer_allocator) {
    v8::V8::SetArrayBufferAllocator(&mock_arraybuffer_allocator);
  } else {
    v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
  }
  int result = 0;
  Isolate::CreateParams create_params;
#if !defined(V8_SHARED) && defined(ENABLE_GDB_JIT_INTERFACE)
  if (i::FLAG_gdbjit) {
    create_params.code_event_handler = i::GDBJITInterface::EventHandler;
  }
#endif
#ifdef ENABLE_VTUNE_JIT_INTERFACE
  vTune::InitializeVtuneForV8(create_params);
#endif
#ifndef V8_SHARED
  create_params.constraints.ConfigureDefaults(
      base::SysInfo::AmountOfPhysicalMemory(),
      base::SysInfo::AmountOfVirtualMemory(),
      base::SysInfo::NumberOfProcessors());
#endif
  Isolate* isolate = Isolate::New(create_params);
  DumbLineEditor dumb_line_editor(isolate);
  {
    Isolate::Scope scope(isolate);
    Initialize(isolate);
    PerIsolateData data(isolate);
    InitializeDebugger(isolate);
 
#ifndef V8_SHARED
    if (options.dump_heap_constants) {
      DumpHeapConstants(reinterpret_cast<i::Isolate*>(isolate));
      return 0;
    }
#endif
 
    if (options.stress_opt || options.stress_deopt) {
      Testing::SetStressRunType(options.stress_opt
                                ? Testing::kStressTypeOpt
                                : Testing::kStressTypeDeopt);
      int stress_runs = Testing::GetStressRuns();
      for (int i = 0; i < stress_runs && result == 0; i++) {
        printf("============ Stress %d/%d ============\n", i + 1, stress_runs);
        Testing::PrepareStressRun(i);
        options.last_run = (i == stress_runs - 1);
        result = RunMain(isolate, argc, argv);
      }
      printf("======== Full Deoptimization =======\n");
      Testing::DeoptimizeAll();
#if !defined(V8_SHARED)
    } else if (i::FLAG_stress_runs > 0) {
      int stress_runs = i::FLAG_stress_runs;
      for (int i = 0; i < stress_runs && result == 0; i++) {
        printf("============ Run %d/%d ============\n", i + 1, stress_runs);
        options.last_run = (i == stress_runs - 1);
        result = RunMain(isolate, argc, argv);
      }
#endif
    } else {
      result = RunMain(isolate, argc, argv);
    }
 
    // Run interactive shell if explicitly requested or if no script has been
    // executed, but never on --test
    if (options.use_interactive_shell()) {
#ifndef V8_SHARED
      if (!i::FLAG_debugger) {
        InstallUtilityScript(isolate);
      }
#endif  // !V8_SHARED
      RunShell(isolate);
    }
  }
#ifndef V8_SHARED
  // Dump basic block profiling data.
  if (i::BasicBlockProfiler* profiler =
          reinterpret_cast<i::Isolate*>(isolate)->basic_block_profiler()) {
    i::OFStream os(stdout);
    os << *profiler;
  }
#endif  // !V8_SHARED
  isolate->Dispose();
  V8::Dispose();
  V8::ShutdownPlatform();
  delete platform;
 
  OnExit();
 
  return result;
}

References v8::Isolate::CreateParams::code_event_handler, v8::ResourceConstraints::ConfigureDefaults(), v8::Isolate::CreateParams::constraints, v8::platform::CreateDefaultPlatform(), v8::Testing::DeoptimizeAll(), v8::Isolate::Dispose(), v8::V8::Dispose(), v8::DumpHeapConstants(), v8::Testing::GetStressRuns(), v8::V8::Initialize(), v8::V8::InitializeICU(), v8::V8::InitializePlatform(), vTune::InitializeVtuneForV8(), v8::Testing::kStressTypeDeopt, v8::Testing::kStressTypeOpt, v8::Isolate::New(), v8::Testing::PrepareStressRun(), profiler(), v8::V8::SetArrayBufferAllocator(), v8::SetFlagsFromString(), v8::Testing::SetStressRunType(), and v8::V8::ShutdownPlatform().

Referenced by main().

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MakeDirectory()

void v8::Shell::MakeDirectory ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 617 of file d8-posix.cc.

                                                                     {
  mode_t mask = 0777;
  if (args.Length() == 2) {
    if (args[1]->IsNumber()) {
      mask = args[1]->Int32Value();
    } else {
      const char* message = "mkdirp() second argument must be numeric";
      args.GetIsolate()->ThrowException(
          String::NewFromUtf8(args.GetIsolate(), message));
      return;
    }
  } else if (args.Length() != 1) {
    const char* message = "mkdirp() takes one or two arguments";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  String::Utf8Value directory(args[0]);
  if (*directory == NULL) {
    const char* message = "os.mkdirp(): String conversion of argument failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  mkdirp(args.GetIsolate(), *directory, mask);
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::Length(), v8::mkdirp(), v8::String::NewFromUtf8(), NULL, and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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MapCounters()

void v8::Shell::MapCounters ( v8::Isolate *  isolate, const char *  name  )

static

Definition at line 719 of file d8.cc.

                                                            {
  counters_file_ = base::OS::MemoryMappedFile::create(
      name, sizeof(CounterCollection), &local_counters_);
  void* memory = (counters_file_ == NULL) ?
      NULL : counters_file_->memory();
  if (memory == NULL) {
    printf("Could not map counters file %s\n", name);
    Exit(1);
  }
  counters_ = static_cast<CounterCollection*>(memory);
  isolate->SetCounterFunction(LookupCounter);
  isolate->SetCreateHistogramFunction(CreateHistogram);
  isolate->SetAddHistogramSampleFunction(AddHistogramSample);
}

References v8::base::OS::MemoryMappedFile::create(), name, NULL, v8::Isolate::SetAddHistogramSampleFunction(), v8::Isolate::SetCounterFunction(), and v8::Isolate::SetCreateHistogramFunction().

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OnExit()

void v8::Shell::OnExit ( )

static

Definition at line 1013 of file d8.cc.

                   {
  LineEditor* line_editor = LineEditor::Get();
  if (line_editor) line_editor->Close();
#ifndef V8_SHARED
  if (i::FLAG_dump_counters) {
    int number_of_counters = 0;
    for (CounterMap::Iterator i(counter_map_); i.More(); i.Next()) {
      number_of_counters++;
    }
    CounterAndKey* counters = new CounterAndKey[number_of_counters];
    int j = 0;
    for (CounterMap::Iterator i(counter_map_); i.More(); i.Next(), j++) {
      counters[j].counter = i.CurrentValue();
      counters[j].key = i.CurrentKey();
    }
    std::sort(counters, counters + number_of_counters);
    printf("+----------------------------------------------------------------+"
           "-------------+\n");
    printf("| Name                                                           |"
           " Value       |\n");
    printf("+----------------------------------------------------------------+"
           "-------------+\n");
    for (j = 0; j < number_of_counters; j++) {
      Counter* counter = counters[j].counter;
      const char* key = counters[j].key;
      if (counter->is_histogram()) {
        printf("| c:%-60s | %11i |\n", key, counter->count());
        printf("| t:%-60s | %11i |\n", key, counter->sample_total());
      } else {
        printf("| %-62s | %11i |\n", key, counter->count());
      }
    }
    printf("+----------------------------------------------------------------+"
           "-------------+\n");
    delete [] counters;
  }
  delete counters_file_;
  delete counter_map_;
#endif  // !V8_SHARED
}

References v8::LineEditor::Close(), v8::Counter::count(), v8::CounterAndKey::counter, v8::LineEditor::Get(), v8::Counter::is_histogram(), v8::CounterAndKey::key, and v8::Counter::sample_total().

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OSObject()

static void v8::Shell::OSObject ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

PerformanceNow()

void v8::Shell::PerformanceNow ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 337 of file d8.cc.

                                                                      {
  if (i::FLAG_verify_predictable) {
    Isolate* v8_isolate = args.GetIsolate();
    i::Heap* heap = reinterpret_cast<i::Isolate*>(v8_isolate)->heap();
    args.GetReturnValue().Set(heap->synthetic_time());
  } else {
    base::TimeDelta delta =
        base::TimeTicks::HighResolutionNow() - kInitialTicks;
    args.GetReturnValue().Set(delta.InMillisecondsF());
  }
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), and v8::internal::Heap::synthetic_time().

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Print()

void v8::Shell::Print ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 469 of file d8.cc.

                                                             {
  Write(args);
  printf("\n");
  fflush(stdout);
}

Quit()

void v8::Shell::Quit ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 574 of file d8.cc.

                                                            {
  int exit_code = args[0]->Int32Value();
  OnExit();
  exit(exit_code);
}

Read()

void v8::Shell::Read ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 501 of file d8.cc.

                                                            {
  String::Utf8Value file(args[0]);
  if (*file == NULL) {
    Throw(args.GetIsolate(), "Error loading file");
    return;
  }
  Handle<String> source = ReadFile(args.GetIsolate(), *file);
  if (source.IsEmpty()) {
    Throw(args.GetIsolate(), "Error loading file");
    return;
  }
  args.GetReturnValue().Set(source);
}

References file(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::Handle< T >::IsEmpty(), NULL, v8::internal::ReadFile(), and v8::Throw().

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ReadBuffer()

void v8::Shell::ReadBuffer ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 1115 of file d8.cc.

                                                                  {
  DCHECK(sizeof(char) == sizeof(uint8_t));  // NOLINT
  String::Utf8Value filename(args[0]);
  int length;
  if (*filename == NULL) {
    Throw(args.GetIsolate(), "Error loading file");
    return;
  }
 
  Isolate* isolate = args.GetIsolate();
  DataAndPersistent* data = new DataAndPersistent;
  data->data = reinterpret_cast<uint8_t*>(
      ReadChars(args.GetIsolate(), *filename, &length));
  if (data->data == NULL) {
    delete data;
    Throw(args.GetIsolate(), "Error reading file");
    return;
  }
  Handle<v8::ArrayBuffer> buffer =
      ArrayBuffer::New(isolate, data->data, length);
  data->handle.Reset(isolate, buffer);
  data->handle.SetWeak(data, ReadBufferWeakCallback);
  data->handle.MarkIndependent();
  isolate->AdjustAmountOfExternalAllocatedMemory(length);
 
  args.GetReturnValue().Set(buffer);
}

References v8::Isolate::AdjustAmountOfExternalAllocatedMemory(), v8::DataAndPersistent::data, DCHECK, v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::DataAndPersistent::handle, v8::ArrayBuffer::New(), NULL, v8::ReadBufferWeakCallback(), v8::ReadChars(), and v8::Throw().

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ReadFile()

Handle< String > v8::Shell::ReadFile ( Isolate *  isolate, const char *  name  )

static

Definition at line 1145 of file d8.cc.

                                                                 {
  int size = 0;
  char* chars = ReadChars(isolate, name, &size);
  if (chars == NULL) return Handle<String>();
  Handle<String> result =
      String::NewFromUtf8(isolate, chars, String::kNormalString, size);
  delete[] chars;
  return result;
}

References v8::String::kNormalString, name, v8::String::NewFromUtf8(), NULL, v8::ReadChars(), and size.

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ReadFromStdin()

Handle< String > v8::Shell::ReadFromStdin ( Isolate *  isolate )

static

Definition at line 516 of file d8.cc.

                                                    {
  static const int kBufferSize = 256;
  char buffer[kBufferSize];
  Handle<String> accumulator = String::NewFromUtf8(isolate, "");
  int length;
  while (true) {
    // Continue reading if the line ends with an escape '\\' or the line has
    // not been fully read into the buffer yet (does not end with '\n').
    // If fgets gets an error, just give up.
    char* input = NULL;
    input = fgets(buffer, kBufferSize, stdin);
    if (input == NULL) return Handle<String>();
    length = static_cast<int>(strlen(buffer));
    if (length == 0) {
      return accumulator;
    } else if (buffer[length-1] != '\n') {
      accumulator = String::Concat(
          accumulator,
          String::NewFromUtf8(isolate, buffer, String::kNormalString, length));
    } else if (length > 1 && buffer[length-2] == '\\') {
      buffer[length-2] = '\n';
      accumulator = String::Concat(
          accumulator, String::NewFromUtf8(isolate, buffer,
                                           String::kNormalString, length - 1));
    } else {
      return String::Concat(
          accumulator, String::NewFromUtf8(isolate, buffer,
                                           String::kNormalString, length - 1));
    }
  }
}

References v8::String::Concat(), v8::base::anonymous_namespace{semaphore-unittest.cc}::kBufferSize, v8::String::kNormalString, v8::String::NewFromUtf8(), and NULL.

Referenced by v8::DumbLineEditor::Prompt(), and ReadLine().

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ReadLine()

static void v8::Shell::ReadLine ( const v8::FunctionCallbackInfo< v8::Value > &  args )

inlinestatic

Definition at line 308 of file d8.h.

                                                                    {
    args.GetReturnValue().Set(ReadFromStdin(args.GetIsolate()));
  }

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), and ReadFromStdin().

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RealmCreate()

void v8::Shell::RealmCreate ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 387 of file d8.cc.

                                                                   {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  Persistent<Context>* old_realms = data->realms_;
  int index = data->realm_count_;
  data->realms_ = new Persistent<Context>[++data->realm_count_];
  for (int i = 0; i < index; ++i) {
    data->realms_[i].Reset(isolate, old_realms[i]);
  }
  delete[] old_realms;
  Handle<ObjectTemplate> global_template = CreateGlobalTemplate(isolate);
  data->realms_[index].Reset(
      isolate, Context::New(isolate, NULL, global_template));
  args.GetReturnValue().Set(index);
}

References v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::Context::New(), NULL, v8::PerIsolateData::realm_count_, and v8::PerIsolateData::realms_.

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RealmCurrent()

void v8::Shell::RealmCurrent ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 352 of file d8.cc.

                                                                    {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  int index = data->RealmFind(isolate->GetEnteredContext());
  if (index == -1) return;
  args.GetReturnValue().Set(index);
}

References v8::PerIsolateData::Get(), v8::Isolate::GetEnteredContext(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), and v8::PerIsolateData::RealmFind().

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RealmDispose()

void v8::Shell::RealmDispose ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 405 of file d8.cc.

                                                                    {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  int index = data->RealmIndexOrThrow(args, 0);
  if (index == -1) return;
  if (index == 0 ||
      index == data->realm_current_ || index == data->realm_switch_) {
    Throw(args.GetIsolate(), "Invalid realm index");
    return;
  }
  data->realms_[index].Reset();
}

References v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::PerIsolateData::realm_current_, v8::PerIsolateData::realm_switch_, v8::PerIsolateData::RealmIndexOrThrow(), v8::PerIsolateData::realms_, and v8::Throw().

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RealmEval()

void v8::Shell::RealmEval ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 430 of file d8.cc.

                                                                 {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  int index = data->RealmIndexOrThrow(args, 0);
  if (index == -1) return;
  if (args.Length() < 2 || !args[1]->IsString()) {
    Throw(args.GetIsolate(), "Invalid argument");
    return;
  }
  ScriptCompiler::Source script_source(args[1]->ToString());
  Handle<UnboundScript> script = ScriptCompiler::CompileUnbound(
      isolate, &script_source);
  if (script.IsEmpty()) return;
  Local<Context> realm = Local<Context>::New(isolate, data->realms_[index]);
  realm->Enter();
  Handle<Value> result = script->BindToCurrentContext()->Run();
  realm->Exit();
  args.GetReturnValue().Set(result);
}

References v8::ScriptCompiler::CompileUnbound(), v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::Handle< T >::IsEmpty(), v8::FunctionCallbackInfo< T >::Length(), v8::Local< T >::New(), v8::PerIsolateData::RealmIndexOrThrow(), v8::PerIsolateData::realms_, and v8::Throw().

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RealmGlobal()

void v8::Shell::RealmGlobal ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 377 of file d8.cc.

                                                                   {
  PerIsolateData* data = PerIsolateData::Get(args.GetIsolate());
  int index = data->RealmIndexOrThrow(args, 0);
  if (index == -1) return;
  args.GetReturnValue().Set(
      Local<Context>::New(args.GetIsolate(), data->realms_[index])->Global());
}

References v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::PerIsolateData::RealmIndexOrThrow(), and v8::PerIsolateData::realms_.

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RealmOwner()

void v8::Shell::RealmOwner ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 362 of file d8.cc.

                                                                  {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  if (args.Length() < 1 || !args[0]->IsObject()) {
    Throw(args.GetIsolate(), "Invalid argument");
    return;
  }
  int index = data->RealmFind(args[0]->ToObject()->CreationContext());
  if (index == -1) return;
  args.GetReturnValue().Set(index);
}

References v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::FunctionCallbackInfo< T >::Length(), v8::PerIsolateData::RealmFind(), and v8::Throw().

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RealmSharedGet()

void v8::Shell::RealmSharedGet ( Local< String >  property, const PropertyCallbackInfo< Value > &  info  )

static

Definition at line 452 of file d8.cc.

                                                                    {
  Isolate* isolate = info.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  if (data->realm_shared_.IsEmpty()) return;
  info.GetReturnValue().Set(data->realm_shared_);
}

References v8::PerIsolateData::Get(), v8::PropertyCallbackInfo< T >::GetIsolate(), v8::PropertyCallbackInfo< T >::GetReturnValue(), and v8::PerIsolateData::realm_shared_.

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RealmSharedSet()

void v8::Shell::RealmSharedSet ( Local< String >  property, Local< Value >  value, const PropertyCallbackInfo< void > &  info  )

static

Definition at line 460 of file d8.cc.

                                                                   {
  Isolate* isolate = info.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  data->realm_shared_.Reset(isolate, value);
}

References v8::PerIsolateData::Get(), v8::PropertyCallbackInfo< T >::GetIsolate(), and v8::PerIsolateData::realm_shared_.

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RealmSwitch()

void v8::Shell::RealmSwitch ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 420 of file d8.cc.

                                                                   {
  Isolate* isolate = args.GetIsolate();
  PerIsolateData* data = PerIsolateData::Get(isolate);
  int index = data->RealmIndexOrThrow(args, 0);
  if (index == -1) return;
  data->realm_switch_ = index;
}

References v8::PerIsolateData::Get(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::PerIsolateData::realm_switch_, and v8::PerIsolateData::RealmIndexOrThrow().

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RemoveDirectory()

void v8::Shell::RemoveDirectory ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 645 of file d8-posix.cc.

                                                                       {
  if (args.Length() != 1) {
    const char* message = "rmdir() takes one or two arguments";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  String::Utf8Value directory(args[0]);
  if (*directory == NULL) {
    const char* message = "os.rmdir(): String conversion of argument failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  rmdir(*directory);
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), NULL, and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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ReportException()

void v8::Shell::ReportException ( Isolate *  isolate, v8::TryCatch *  try_catch  )

static

Definition at line 587 of file d8.cc.

                                                                   {
  HandleScope handle_scope(isolate);
#ifndef V8_SHARED
  Handle<Context> utility_context;
  bool enter_context = !isolate->InContext();
  if (enter_context) {
    utility_context = Local<Context>::New(isolate, utility_context_);
    utility_context->Enter();
  }
#endif  // !V8_SHARED
  v8::String::Utf8Value exception(try_catch->Exception());
  const char* exception_string = ToCString(exception);
  Handle<Message> message = try_catch->Message();
  if (message.IsEmpty()) {
    // V8 didn't provide any extra information about this error; just
    // print the exception.
    printf("%s\n", exception_string);
  } else {
    // Print (filename):(line number): (message).
    v8::String::Utf8Value filename(message->GetScriptOrigin().ResourceName());
    const char* filename_string = ToCString(filename);
    int linenum = message->GetLineNumber();
    printf("%s:%i: %s\n", filename_string, linenum, exception_string);
    // Print line of source code.
    v8::String::Utf8Value sourceline(message->GetSourceLine());
    const char* sourceline_string = ToCString(sourceline);
    printf("%s\n", sourceline_string);
    // Print wavy underline (GetUnderline is deprecated).
    int start = message->GetStartColumn();
    for (int i = 0; i < start; i++) {
      printf(" ");
    }
    int end = message->GetEndColumn();
    for (int i = start; i < end; i++) {
      printf("^");
    }
    printf("\n");
    v8::String::Utf8Value stack_trace(try_catch->StackTrace());
    if (stack_trace.length() > 0) {
      const char* stack_trace_string = ToCString(stack_trace);
      printf("%s\n", stack_trace_string);
    }
  }
  printf("\n");
#ifndef V8_SHARED
  if (enter_context) utility_context->Exit();
#endif  // !V8_SHARED
}

References v8::TryCatch::Exception(), v8::Isolate::InContext(), v8::Handle< T >::IsEmpty(), v8::String::Utf8Value::length(), v8::TryCatch::Message(), v8::Local< T >::New(), and v8::TryCatch::StackTrace().

Referenced by ExecuteString(), and v8::HandleDebugEvent().

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RunMain()

int v8::Shell::RunMain ( Isolate *  isolate, int  argc, char *  argv[]  )

static

Definition at line 1421 of file d8.cc.

                                                           {
#ifndef V8_SHARED
  for (int i = 1; i < options.num_isolates; ++i) {
    options.isolate_sources[i].StartExecuteInThread();
  }
#endif  // !V8_SHARED
  {
    HandleScope scope(isolate);
    Local<Context> context = CreateEvaluationContext(isolate);
    if (options.last_run && options.use_interactive_shell()) {
      // Keep using the same context in the interactive shell.
      evaluation_context_.Reset(isolate, context);
#ifndef V8_SHARED
      // If the interactive debugger is enabled make sure to activate
      // it before running the files passed on the command line.
      if (i::FLAG_debugger) {
        InstallUtilityScript(isolate);
      }
#endif  // !V8_SHARED
    }
    {
      Context::Scope cscope(context);
      PerIsolateData::RealmScope realm_scope(PerIsolateData::Get(isolate));
      options.isolate_sources[0].Execute(isolate);
    }
  }
  if (options.send_idle_notification) {
    const int kLongIdlePauseInMs = 1000;
    isolate->ContextDisposedNotification();
    isolate->IdleNotification(kLongIdlePauseInMs);
  }
  if (options.invoke_weak_callbacks) {
    // By sending a low memory notifications, we will try hard to collect all
    // garbage and will therefore also invoke all weak callbacks of actually
    // unreachable persistent handles.
    isolate->LowMemoryNotification();
  }
 
#ifndef V8_SHARED
  for (int i = 1; i < options.num_isolates; ++i) {
    options.isolate_sources[i].WaitForThread();
  }
#endif  // !V8_SHARED
  return 0;
}

References v8::Isolate::ContextDisposedNotification(), v8::PerIsolateData::Get(), v8::Isolate::IdleNotification(), and v8::Isolate::LowMemoryNotification().

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RunShell()

void v8::Shell::RunShell ( Isolate *  isolate )

staticprivate

Definition at line 1156 of file d8.cc.

                                     {
  HandleScope outer_scope(isolate);
  v8::Local<v8::Context> context =
      v8::Local<v8::Context>::New(isolate, evaluation_context_);
  v8::Context::Scope context_scope(context);
  PerIsolateData::RealmScope realm_scope(PerIsolateData::Get(isolate));
  Handle<String> name = String::NewFromUtf8(isolate, "(d8)");
  LineEditor* console = LineEditor::Get();
  printf("V8 version %s [console: %s]\n", V8::GetVersion(), console->name());
  console->Open(isolate);
  while (true) {
    HandleScope inner_scope(isolate);
    Handle<String> input = console->Prompt(Shell::kPrompt);
    if (input.IsEmpty()) break;
    ExecuteString(isolate, input, name, true, true);
  }
  printf("\n");
}

References v8::LineEditor::Get(), v8::PerIsolateData::Get(), v8::V8::GetVersion(), v8::Handle< T >::IsEmpty(), kPrompt, v8::LineEditor::name(), name, v8::Local< T >::New(), v8::String::NewFromUtf8(), v8::LineEditor::Open(), and v8::LineEditor::Prompt().

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SetEnvironment()

void v8::Shell::SetEnvironment ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 663 of file d8-posix.cc.

                                                                      {
  if (args.Length() != 2) {
    const char* message = "setenv() takes two arguments";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  String::Utf8Value var(args[0]);
  String::Utf8Value value(args[1]);
  if (*var == NULL) {
    const char* message =
        "os.setenv(): String conversion of variable name failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  if (*value == NULL) {
    const char* message =
        "os.setenv(): String conversion of variable contents failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  setenv(*var, *value, 1);
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), NULL, and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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SetOptions()

bool v8::Shell::SetOptions ( int  argc, char *  argv[]  )

staticprivate

Definition at line 1302 of file d8.cc.

                                             {
  bool logfile_per_isolate = false;
  for (int i = 0; i < argc; i++) {
    if (strcmp(argv[i], "--stress-opt") == 0) {
      options.stress_opt = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--nostress-opt") == 0) {
      options.stress_opt = false;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--stress-deopt") == 0) {
      options.stress_deopt = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--mock-arraybuffer-allocator") == 0) {
      options.mock_arraybuffer_allocator = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--noalways-opt") == 0) {
      // No support for stressing if we can't use --always-opt.
      options.stress_opt = false;
      options.stress_deopt = false;
    } else if (strcmp(argv[i], "--logfile-per-isolate") == 0) {
      logfile_per_isolate = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--shell") == 0) {
      options.interactive_shell = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--test") == 0) {
      options.test_shell = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--send-idle-notification") == 0) {
      options.send_idle_notification = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "--invoke-weak-callbacks") == 0) {
      options.invoke_weak_callbacks = true;
      // TODO(jochen) See issue 3351
      options.send_idle_notification = true;
      argv[i] = NULL;
    } else if (strcmp(argv[i], "-f") == 0) {
      // Ignore any -f flags for compatibility with other stand-alone
      // JavaScript engines.
      continue;
    } else if (strcmp(argv[i], "--isolate") == 0) {
#ifdef V8_SHARED
      printf("D8 with shared library does not support multi-threading\n");
      return false;
#endif  // V8_SHARED
      options.num_isolates++;
    } else if (strcmp(argv[i], "--dump-heap-constants") == 0) {
#ifdef V8_SHARED
      printf("D8 with shared library does not support constant dumping\n");
      return false;
#else
      options.dump_heap_constants = true;
      argv[i] = NULL;
#endif  // V8_SHARED
    } else if (strcmp(argv[i], "--throws") == 0) {
      options.expected_to_throw = true;
      argv[i] = NULL;
    } else if (strncmp(argv[i], "--icu-data-file=", 16) == 0) {
      options.icu_data_file = argv[i] + 16;
      argv[i] = NULL;
#ifdef V8_SHARED
    } else if (strcmp(argv[i], "--dump-counters") == 0) {
      printf("D8 with shared library does not include counters\n");
      return false;
    } else if (strcmp(argv[i], "--debugger") == 0) {
      printf("Javascript debugger not included\n");
      return false;
#endif  // V8_SHARED
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
    } else if (strncmp(argv[i], "--natives_blob=", 15) == 0) {
      options.natives_blob = argv[i] + 15;
      argv[i] = NULL;
    } else if (strncmp(argv[i], "--snapshot_blob=", 16) == 0) {
      options.snapshot_blob = argv[i] + 16;
      argv[i] = NULL;
#endif  // V8_USE_EXTERNAL_STARTUP_DATA
    } else if (strcmp(argv[i], "--cache") == 0 ||
               strncmp(argv[i], "--cache=", 8) == 0) {
      const char* value = argv[i] + 7;
      if (!*value || strncmp(value, "=code", 6) == 0) {
        options.compile_options = v8::ScriptCompiler::kProduceCodeCache;
      } else if (strncmp(value, "=parse", 7) == 0) {
        options.compile_options = v8::ScriptCompiler::kProduceParserCache;
      } else if (strncmp(value, "=none", 6) == 0) {
        options.compile_options = v8::ScriptCompiler::kNoCompileOptions;
      } else {
        printf("Unknown option to --cache.\n");
        return false;
      }
      argv[i] = NULL;
    }
  }
 
  v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
 
  // Set up isolated source groups.
  options.isolate_sources = new SourceGroup[options.num_isolates];
  SourceGroup* current = options.isolate_sources;
  current->Begin(argv, 1);
  for (int i = 1; i < argc; i++) {
    const char* str = argv[i];
    if (strcmp(str, "--isolate") == 0) {
      current->End(i);
      current++;
      current->Begin(argv, i + 1);
    } else if (strncmp(argv[i], "--", 2) == 0) {
      printf("Warning: unknown flag %s.\nTry --help for options\n", argv[i]);
    }
  }
  current->End(argc);
 
  if (!logfile_per_isolate && options.num_isolates) {
    SetFlagsFromString("--nologfile_per_isolate");
  }
 
  return true;
}

References v8::SourceGroup::Begin(), v8::SourceGroup::End(), v8::ScriptCompiler::kNoCompileOptions, v8::ScriptCompiler::kProduceCodeCache, v8::ScriptCompiler::kProduceParserCache, NULL, v8::V8::SetFlagsFromCommandLine(), and v8::SetFlagsFromString().

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SetUMask()

void v8::Shell::SetUMask ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 549 of file d8-posix.cc.

                                                                {
  if (args.Length() != 1) {
    const char* message = "umask() takes one argument";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  if (args[0]->IsNumber()) {
#if V8_OS_NACL
    // PNaCL has no support for umask.
    int previous = 0;
#else
    int previous = umask(args[0]->Int32Value());
#endif
    args.GetReturnValue().Set(previous);
    return;
  } else {
    const char* message = "umask() argument must be numeric";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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System()

void v8::Shell::System ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 440 of file d8-posix.cc.

                                                              {
  HandleScope scope(args.GetIsolate());
  int read_timeout = -1;
  int total_timeout = -1;
  if (!GetTimeouts(args, &read_timeout, &total_timeout)) return;
  Handle<Array> command_args;
  if (args.Length() > 1) {
    if (!args[1]->IsArray()) {
      args.GetIsolate()->ThrowException(String::NewFromUtf8(
          args.GetIsolate(), "system: Argument 2 must be an array"));
      return;
    }
    command_args = Handle<Array>::Cast(args[1]);
  } else {
    command_args = Array::New(args.GetIsolate(), 0);
  }
  if (command_args->Length() > ExecArgs::kMaxArgs) {
    args.GetIsolate()->ThrowException(String::NewFromUtf8(
        args.GetIsolate(), "Too many arguments to system()"));
    return;
  }
  if (args.Length() < 1) {
    args.GetIsolate()->ThrowException(String::NewFromUtf8(
        args.GetIsolate(), "Too few arguments to system()"));
    return;
  }
 
  struct timeval start_time;
  gettimeofday(&start_time, NULL);
 
  ExecArgs exec_args;
  if (!exec_args.Init(args.GetIsolate(), args[0], command_args)) {
    return;
  }
  int exec_error_fds[2];
  int stdout_fds[2];
 
  if (pipe(exec_error_fds) != 0) {
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), "pipe syscall failed."));
    return;
  }
  if (pipe(stdout_fds) != 0) {
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), "pipe syscall failed."));
    return;
  }
 
  pid_t pid = fork();
  if (pid == 0) {  // Child process.
    ExecSubprocess(exec_error_fds, stdout_fds, exec_args);
    exit(1);
  }
 
  // Parent process.  Ensure that we clean up if we exit this function early.
  ZombieProtector child_waiter(pid);
  close(exec_error_fds[kWriteFD]);
  close(stdout_fds[kWriteFD]);
  OpenFDCloser error_read_closer(exec_error_fds[kReadFD]);
  OpenFDCloser stdout_read_closer(stdout_fds[kReadFD]);
 
  if (!ChildLaunchedOK(args.GetIsolate(), exec_error_fds)) return;
 
  Handle<Value> accumulator = GetStdout(args.GetIsolate(),
                                        stdout_fds[kReadFD],
                                        start_time,
                                        read_timeout,
                                        total_timeout);
  if (accumulator->IsUndefined()) {
    kill(pid, SIGINT);  // On timeout, kill the subprocess.
    args.GetReturnValue().Set(accumulator);
    return;
  }
 
  if (!WaitForChild(args.GetIsolate(),
                    pid,
                    child_waiter,
                    start_time,
                    read_timeout,
                    total_timeout)) {
    return;
  }
 
  args.GetReturnValue().Set(accumulator);
}

References v8::Handle< T >::Cast(), v8::ChildLaunchedOK(), v8::ExecSubprocess(), v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::GetStdout(), v8::GetTimeouts(), v8::ExecArgs::Init(), v8::ExecArgs::kMaxArgs, v8::kReadFD, v8::kWriteFD, v8::FunctionCallbackInfo< T >::Length(), v8::Array::New(), v8::String::NewFromUtf8(), NULL, v8::Isolate::ThrowException(), and v8::WaitForChild().

Referenced by AddOSMethods().

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ToCString()

const char * v8::Shell::ToCString ( const v8::String::Utf8Value &  value )

static

Definition at line 175 of file d8.cc.

                                                           {
  return *value ? *value : "<string conversion failed>";
}

Uint16Array()

static void v8::Shell::Uint16Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Uint32Array()

static void v8::Shell::Uint32Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Uint8Array()

static void v8::Shell::Uint8Array ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Uint8ClampedArray()

static void v8::Shell::Uint8ClampedArray ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

UnsetEnvironment()

void v8::Shell::UnsetEnvironment ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 690 of file d8-posix.cc.

                                                                        {
  if (args.Length() != 1) {
    const char* message = "unsetenv() takes one argument";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  String::Utf8Value var(args[0]);
  if (*var == NULL) {
    const char* message =
        "os.setenv(): String conversion of variable name failed.";
    args.GetIsolate()->ThrowException(
        String::NewFromUtf8(args.GetIsolate(), message));
    return;
  }
  unsetenv(*var);
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::Length(), v8::String::NewFromUtf8(), NULL, and v8::Isolate::ThrowException().

Referenced by AddOSMethods().

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Version()

void v8::Shell::Version ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 581 of file d8.cc.

                                                               {
  args.GetReturnValue().Set(
      String::NewFromUtf8(args.GetIsolate(), V8::GetVersion()));
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::FunctionCallbackInfo< T >::GetReturnValue(), v8::V8::GetVersion(), and v8::String::NewFromUtf8().

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Write()

void v8::Shell::Write ( const v8::FunctionCallbackInfo< v8::Value > &  args )

static

Definition at line 476 of file d8.cc.

                                                             {
  for (int i = 0; i < args.Length(); i++) {
    HandleScope handle_scope(args.GetIsolate());
    if (i != 0) {
      printf(" ");
    }
 
    // Explicitly catch potential exceptions in toString().
    v8::TryCatch try_catch;
    Handle<String> str_obj = args[i]->ToString();
    if (try_catch.HasCaught()) {
      try_catch.ReThrow();
      return;
    }
 
    v8::String::Utf8Value str(str_obj);
    int n = static_cast<int>(fwrite(*str, sizeof(**str), str.length(), stdout));
    if (n != str.length()) {
      printf("Error in fwrite\n");
      Exit(1);
    }
  }
}

References v8::FunctionCallbackInfo< T >::GetIsolate(), v8::TryCatch::HasCaught(), v8::String::Utf8Value::length(), v8::FunctionCallbackInfo< T >::Length(), and v8::TryCatch::ReThrow().

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Member Data Documentation

context_mutex_

base::Mutex v8::Shell::context_mutex_

staticprivate

Definition at line 377 of file d8.h.

counter_map_

CounterMap * v8::Shell::counter_map_

staticprivate

Definition at line 371 of file d8.h.

Referenced by Initialize().

counters_

CounterCollection * v8::Shell::counters_ = &local_counters_

staticprivate

Definition at line 375 of file d8.h.

counters_file_

base::OS::MemoryMappedFile * v8::Shell::counters_file_ = NULL

staticprivate

Definition at line 376 of file d8.h.

evaluation_context_

Persistent< Context > v8::Shell::evaluation_context_

staticprivate

Definition at line 368 of file d8.h.

kInitialTicks

const base::TimeTicks v8::Shell::kInitialTicks

staticprivate

Initial value:

=
    base::TimeTicks::HighResolutionNow()

Definition at line 378 of file d8.h.

kPrompt

const char * v8::Shell::kPrompt = "d8> "

static

Definition at line 364 of file d8.h.

Referenced by RunShell().

local_counters_

CounterCollection v8::Shell::local_counters_

staticprivate

Definition at line 374 of file d8.h.

options

ShellOptions v8::Shell::options

static

Definition at line 365 of file d8.h.

Referenced by v8::SourceGroup::Execute(), v8::SourceGroup::ExecuteInThread(), ExecuteString(), and v8::SourceGroup::WaitForThread().

utility_context_

Persistent< Context > v8::Shell::utility_context_

staticprivate

Definition at line 370 of file d8.h.

Referenced by ExecuteString().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/src/d8.h
• /mnt/V8SourceCode/src/d8-posix.cc
• /mnt/V8SourceCode/src/d8-windows.cc
• /mnt/V8SourceCode/src/d8.cc