dart::ObjectStore Class Reference

#include <object_store.h>

Public Types
enum	BootstrapLibraryId

Public Member Functions
	ObjectStore ()
	~ObjectStore ()
	OBJECT_STORE_FIELD_LIST (DECLARE_GETTER, DECLARE_GETTER_AND_SETTER, DECLARE_RELAXED_ATOMIC_GETTER_AND_SETTER, DECLARE_ACQREL_ATOMIC_GETTER_AND_SETTER, DECLARE_LAZY_INIT_CORE_GETTER, DECLARE_LAZY_INIT_ASYNC_GETTER, DECLARE_LAZY_INIT_ISOLATE_GETTER, DECLARE_LAZY_INIT_INTERNAL_GETTER, DECLARE_LAZY_INIT_FFI_GETTER) LibraryPtr bootstrap_library(BootstrapLibraryId index)
void	set_bootstrap_library (BootstrapLibraryId index, const Library &value)
void	VisitObjectPointers (ObjectPointerVisitor *visitor)
ErrorPtr	PreallocateObjects ()
void	InitKnownObjects ()
void	InitStubs ()
void	PrintToJSONObject (JSONObject *jsobj)

Friends
class	ProgramSerializationRoots
class	ProgramDeserializationRoots
class	ProgramVisitor

Detailed Description

Definition at line 456 of file object_store.h.

Member Enumeration Documentation

BootstrapLibraryId

enum dart::ObjectStore::BootstrapLibraryId

Definition at line 458 of file object_store.h.

                          {
#define MAKE_ID(Name, _) k##Name,
 
    FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_ID)
#undef MAKE_ID
  };

Constructor & Destructor Documentation

ObjectStore()

dart::ObjectStore::ObjectStore

(

)

Definition at line 100 of file object_store.cc.

    :
#define EMIT_FIELD_INIT(type, name) name##_(nullptr),
      OBJECT_STORE_FIELD_LIST(EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT,
                              EMIT_FIELD_INIT)
#undef EMIT_FIELD_INIT
      // Just to prevent a trailing comma.
      unused_field_(0) {
  for (ObjectPtr* current = from(); current <= to(); current++) {
    *current = Object::null();
  }
}

~ObjectStore()

dart::ObjectStore::~ObjectStore

(

)

Definition at line 120 of file object_store.cc.

{}

Member Function Documentation

InitKnownObjects()

void dart::ObjectStore::InitKnownObjects

(

)

Definition at line 215 of file object_store.cc.

                                   {
  Thread* thread = Thread::Current();
  Zone* zone = thread->zone();
  Class& cls = Class::Handle(zone);
  const Library& collection_lib = Library::Handle(zone, collection_library());
  cls = collection_lib.LookupClassAllowPrivate(Symbols::_Set());
  ASSERT(!cls.IsNull());
  set_set_impl_class(cls);
 
#if defined(DART_PRECOMPILED_RUNTIME)
  // The rest of these objects are only needed for code generation.
  return;
#else
  auto isolate_group = thread->isolate_group();
  ASSERT(isolate_group != nullptr && isolate_group->object_store() == this);
 
  const Library& async_lib = Library::Handle(zone, async_library());
  ASSERT(!async_lib.IsNull());
  cls = async_lib.LookupClass(Symbols::Future());
  ASSERT(!cls.IsNull());
  set_future_class(cls);
 
  String& function_name = String::Handle(zone);
  Function& function = Function::Handle(zone);
  Field& field = Field::Handle(zone);
 
  cls =
      async_lib.LookupClassAllowPrivate(Symbols::_AsyncStarStreamController());
  ASSERT(!cls.IsNull());
  RELEASE_ASSERT(cls.EnsureIsFinalized(thread) == Error::null());
  set_async_star_stream_controller(cls);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::add());
  ASSERT(!function.IsNull());
  set_async_star_stream_controller_add(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::addStream());
  ASSERT(!function.IsNull());
  set_async_star_stream_controller_add_stream(function);
 
  field = cls.LookupFieldAllowPrivate(Symbols::asyncStarBody());
  ASSERT(!field.IsNull());
  set_async_star_stream_controller_async_star_body(field);
 
#if !defined(PRODUCT)
  // Disable debugging and inlining of all functions on the
  // _AsyncStarStreamController class.
  const Array& functions = Array::Handle(zone, cls.current_functions());
  for (intptr_t i = 0; i < functions.Length(); i++) {
    function ^= functions.At(i);
    if (function.IsNull()) {
      break;
    }
    function.set_is_debuggable(false);
    function.set_is_inlinable(false);
  }
#endif
 
  cls = async_lib.LookupClassAllowPrivate(Symbols::Stream());
  ASSERT(!cls.IsNull());
  set_stream_class(cls);
 
  cls = async_lib.LookupClassAllowPrivate(Symbols::_SuspendState());
  ASSERT(!cls.IsNull());
  const auto& error = cls.EnsureIsFinalized(thread);
  ASSERT(error == Error::null());
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_initAsync());
  ASSERT(!function.IsNull());
  set_suspend_state_init_async(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_await());
  ASSERT(!function.IsNull());
  set_suspend_state_await(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_awaitWithTypeCheck());
  ASSERT(!function.IsNull());
  set_suspend_state_await_with_type_check(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_returnAsync());
  ASSERT(!function.IsNull());
  set_suspend_state_return_async(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_returnAsyncNotFuture());
  ASSERT(!function.IsNull());
  set_suspend_state_return_async_not_future(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_initAsyncStar());
  ASSERT(!function.IsNull());
  set_suspend_state_init_async_star(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_yieldAsyncStar());
  ASSERT(!function.IsNull());
  set_suspend_state_yield_async_star(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_returnAsyncStar());
  ASSERT(!function.IsNull());
  set_suspend_state_return_async_star(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_initSyncStar());
  ASSERT(!function.IsNull());
  set_suspend_state_init_sync_star(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_suspendSyncStarAtStart());
  ASSERT(!function.IsNull());
  set_suspend_state_suspend_sync_star_at_start(function);
 
  function = cls.LookupFunctionAllowPrivate(Symbols::_handleException());
  ASSERT(!function.IsNull());
  set_suspend_state_handle_exception(function);
 
  cls = async_lib.LookupClassAllowPrivate(Symbols::_SyncStarIterator());
  ASSERT(!cls.IsNull());
  RELEASE_ASSERT(cls.EnsureIsFinalized(thread) == Error::null());
  set_sync_star_iterator_class(cls);
 
  field = cls.LookupFieldAllowPrivate(Symbols::_current());
  ASSERT(!field.IsNull());
  set_sync_star_iterator_current(field);
 
  field = cls.LookupFieldAllowPrivate(Symbols::_state());
  ASSERT(!field.IsNull());
  set_sync_star_iterator_state(field);
 
  field = cls.LookupFieldAllowPrivate(Symbols::_yieldStarIterable());
  ASSERT(!field.IsNull());
  set_sync_star_iterator_yield_star_iterable(field);
 
  const Library& core_lib = Library::Handle(zone, core_library());
  cls = core_lib.LookupClassAllowPrivate(Symbols::_CompileTimeError());
  ASSERT(!cls.IsNull());
  set_compiletime_error_class(cls);
 
  cls = core_lib.LookupClassAllowPrivate(Symbols::Pragma());
  ASSERT(!cls.IsNull());
  set_pragma_class(cls);
  RELEASE_ASSERT(cls.EnsureIsFinalized(thread) == Error::null());
  set_pragma_name(Field::Handle(zone, cls.LookupField(Symbols::name())));
  set_pragma_options(Field::Handle(zone, cls.LookupField(Symbols::options())));
 
  cls = core_lib.LookupClassAllowPrivate(Symbols::_GrowableList());
  ASSERT(!cls.IsNull());
  RELEASE_ASSERT(cls.EnsureIsFinalized(thread) == Error::null());
  growable_list_factory_ =
      cls.LookupFactoryAllowPrivate(Symbols::_GrowableListFactory());
  ASSERT(growable_list_factory_ != Function::null());
 
  cls = core_lib.LookupClassAllowPrivate(Symbols::Error());
  ASSERT(!cls.IsNull());
  set_error_class(cls);
 
  cls = core_lib.LookupClassAllowPrivate(Symbols::Expando());
  ASSERT(!cls.IsNull());
  set_expando_class(cls);
 
  cls = core_lib.LookupClassAllowPrivate(Symbols::Iterable());
  ASSERT(!cls.IsNull());
  set_iterable_class(cls);
 
  // Cache the core private functions used for fast instance of checks.
  simple_instance_of_function_ =
      PrivateObjectLookup(Symbols::_simpleInstanceOf());
  simple_instance_of_true_function_ =
      PrivateObjectLookup(Symbols::_simpleInstanceOfTrue());
  simple_instance_of_false_function_ =
      PrivateObjectLookup(Symbols::_simpleInstanceOfFalse());
 
  // Ensure AddSmiSmiCheckForFastSmiStubs run by the background compiler
  // will not create new functions.
  const Class& smi_class = Class::Handle(zone, this->smi_class());
  RELEASE_ASSERT(smi_class.EnsureIsFinalized(thread) == Error::null());
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::Plus());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::Minus());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::Equals());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::LAngleBracket());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::RAngleBracket());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::BitAnd());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::BitOr());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
  function_name =
      Function::CreateDynamicInvocationForwarderName(Symbols::Star());
  Resolver::ResolveDynamicAnyArgs(zone, smi_class, function_name,
                                  /*allow_add=*/true);
#endif  // defined(DART_PRECOMPILED_RUNTIME)
}

InitStubs()

void dart::ObjectStore::InitStubs

(

)

Definition at line 129 of file object_store.cc.

                            {
#define DO(member, name) set_##member(StubCode::name());
  OBJECT_STORE_STUB_CODE_LIST(DO)
#undef DO
}

OBJECT_STORE_FIELD_LIST()

dart::ObjectStore::OBJECT_STORE_FIELD_LIST ( DECLARE_GETTER  , DECLARE_GETTER_AND_SETTER  , DECLARE_RELAXED_ATOMIC_GETTER_AND_SETTER  , DECLARE_ACQREL_ATOMIC_GETTER_AND_SETTER  , DECLARE_LAZY_INIT_CORE_GETTER  , DECLARE_LAZY_INIT_ASYNC_GETTER  , DECLARE_LAZY_INIT_ISOLATE_GETTER  , DECLARE_LAZY_INIT_INTERNAL_GETTER  , DECLARE_LAZY_INIT_FFI_GETTER    )

inline

Definition at line 508 of file object_store.h.

                                                         {
    switch (index) {
#define MAKE_CASE(CamelName, name)                                             \
  case k##CamelName:                                                           \
    return name##_library_;
 
      FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE)
#undef MAKE_CASE
 
      default:
        UNREACHABLE();
        return Library::null();
    }
  }

PreallocateObjects()

ErrorPtr dart::ObjectStore::PreallocateObjects

(

)

Definition at line 170 of file object_store.cc.

                                         {
  Thread* thread = Thread::Current();
  IsolateGroup* isolate_group = thread->isolate_group();
  // Either we are the object store on isolate group, or isolate group has no
  // object store and we are the object store on the isolate.
  ASSERT(isolate_group != nullptr && isolate_group->object_store() == this);
 
  if (this->stack_overflow() != Instance::null()) {
    ASSERT(this->out_of_memory() != Instance::null());
    return Error::null();
  }
  ASSERT(this->stack_overflow() == Instance::null());
  ASSERT(this->out_of_memory() == Instance::null());
 
  Object& result = Object::Handle();
  const Library& library = Library::Handle(Library::CoreLibrary());
 
  result = AllocateObjectByClassName(library, Symbols::StackOverflowError());
  if (result.IsError()) {
    return Error::Cast(result).ptr();
  }
  set_stack_overflow(Instance::Cast(result));
 
  result = AllocateObjectByClassName(library, Symbols::OutOfMemoryError());
  if (result.IsError()) {
    return Error::Cast(result).ptr();
  }
  set_out_of_memory(Instance::Cast(result));
 
  return Error::null();
}

PrintToJSONObject()

void dart::ObjectStore::PrintToJSONObject

(

JSONObject *

jsobj

)

Definition at line 136 of file object_store.cc.

                                                     {
  jsobj->AddProperty("type", "_ObjectStore");
 
  {
    JSONObject fields(jsobj, "fields");
    Object& value = Object::Handle();
    static const char* const names[] = {
#define EMIT_FIELD_NAME(type, name) #name "_",
        OBJECT_STORE_FIELD_LIST(
            EMIT_FIELD_NAME, EMIT_FIELD_NAME, EMIT_FIELD_NAME, EMIT_FIELD_NAME,
            EMIT_FIELD_NAME, EMIT_FIELD_NAME, EMIT_FIELD_NAME, EMIT_FIELD_NAME,
            EMIT_FIELD_NAME)
#undef EMIT_FIELD_NAME
    };
    ObjectPtr* current = from();
    intptr_t i = 0;
    while (current <= to()) {
      value = *current;
      fields.AddProperty(names[i], value);
      current++;
      i++;
    }
    ASSERT(i == ARRAY_SIZE(names));
  }
}

set_bootstrap_library()

void dart::ObjectStore::set_bootstrap_library ( BootstrapLibraryId  index, const Library &  value  )

inline

Definition at line 544 of file object_store.h.

                                                                             {
    switch (index) {
#define MAKE_CASE(CamelName, name)                                             \
  case k##CamelName:                                                           \
    name##_library_ = value.ptr();                                             \
    break;
 
      FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE)
#undef MAKE_CASE
      default:
        UNREACHABLE();
    }
  }

VisitObjectPointers()

void dart::ObjectStore::VisitObjectPointers

(

ObjectPointerVisitor *

visitor

)

Definition at line 122 of file object_store.cc.

                                                                   {
  ASSERT(visitor != nullptr);
  visitor->set_gc_root_type("object store");
  visitor->VisitPointers(from(), to());
  visitor->clear_gc_root_type();
}

Friends And Related Function Documentation

ProgramDeserializationRoots

friend class ProgramDeserializationRoots

friend

Definition at line 623 of file object_store.h.

ProgramSerializationRoots

friend class ProgramSerializationRoots

friend

Definition at line 622 of file object_store.h.

ProgramVisitor

friend class ProgramVisitor

friend

Definition at line 624 of file object_store.h.

---

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

• third_party/dart-lang/sdk/runtime/vm/object_store.h
• third_party/dart-lang/sdk/runtime/vm/object_store.cc