#include <object.h>

Inheritance diagram for dart::LoadingUnit:

Public Member Functions
	COMPILE_ASSERT (kIllegalId==WeakTable::kNoValue)

LoadingUnitPtr	parent () const

ArrayPtr	base_objects () const

void	set_base_objects (const Array &value) const

intptr_t	id () const

bool	loaded () const

void	set_loaded (bool value) const

bool	load_outstanding () const

void	set_load_outstanding () const

const uint8_t *	instructions_image () const

void	set_instructions_image (const uint8_t *value) const

bool	has_instructions_image () const

ObjectPtr	IssueLoad () const

ObjectPtr	CompleteLoad (const String &error_message, bool transient_error) const

Public Member Functions inherited from dart::Object
virtual	~Object ()

ObjectPtr	ptr () const

void	operator= (ObjectPtr value)

bool	IsCanonical () const

void	SetCanonical () const

void	ClearCanonical () const

bool	IsImmutable () const

void	SetImmutable () const

void	ClearImmutable () const

intptr_t	GetClassId () const

ClassPtr	clazz () const

	CLASS_LIST_FOR_HANDLES (DEFINE_CLASS_TESTER)

bool	IsNull () const

virtual const char *	ToCString () const

void	PrintJSON (JSONStream *stream, bool ref=true) const

virtual void	PrintJSONImpl (JSONStream *stream, bool ref) const

void	PrintImplementationFields (JSONStream *stream) const

virtual void	PrintImplementationFieldsImpl (const JSONArray &jsarr_fields) const

virtual const char *	JSONType () const

virtual StringPtr	DictionaryName () const

bool	IsNew () const

bool	IsOld () const

bool	InVMIsolateHeap () const

void	Print () const

Static Public Member Functions
static LoadingUnitPtr	New (intptr_t id, const LoadingUnit &parent)

static intptr_t	InstanceSize ()

static intptr_t	LoadingUnitOf (const Function &function)

static intptr_t	LoadingUnitOf (const Code &code)

Static Public Member Functions inherited from dart::Object
static ObjectPtr	RawCast (ObjectPtr obj)

static constexpr bool	ContainsCompressedPointers ()

static intptr_t	tags_offset ()

static Object &	Handle ()

static Object &	Handle (Zone *zone)

static Object &	Handle (ObjectPtr ptr)

static Object &	Handle (Zone *zone, ObjectPtr ptr)

static Object &	ZoneHandle ()

static Object &	ZoneHandle (Zone *zone)

static Object &	ZoneHandle (ObjectPtr ptr)

static Object &	ZoneHandle (Zone *zone, ObjectPtr ptr)

static Object *	ReadOnlyHandle ()

static ObjectPtr	null ()

static void	set_vm_isolate_snapshot_object_table (const Array &table)

static ClassPtr	class_class ()

static ClassPtr	dynamic_class ()

static ClassPtr	void_class ()

static ClassPtr	type_parameters_class ()

static ClassPtr	type_arguments_class ()

static ClassPtr	patch_class_class ()

static ClassPtr	function_class ()

static ClassPtr	closure_data_class ()

static ClassPtr	ffi_trampoline_data_class ()

static ClassPtr	field_class ()

static ClassPtr	script_class ()

static ClassPtr	library_class ()

static ClassPtr	namespace_class ()

static ClassPtr	kernel_program_info_class ()

static ClassPtr	code_class ()

static ClassPtr	instructions_class ()

static ClassPtr	instructions_section_class ()

static ClassPtr	instructions_table_class ()

static ClassPtr	object_pool_class ()

static ClassPtr	pc_descriptors_class ()

static ClassPtr	code_source_map_class ()

static ClassPtr	compressed_stackmaps_class ()

static ClassPtr	var_descriptors_class ()

static ClassPtr	exception_handlers_class ()

static ClassPtr	context_class ()

static ClassPtr	context_scope_class ()

static ClassPtr	sentinel_class ()

static ClassPtr	api_error_class ()

static ClassPtr	language_error_class ()

static ClassPtr	unhandled_exception_class ()

static ClassPtr	unwind_error_class ()

static ClassPtr	singletargetcache_class ()

static ClassPtr	unlinkedcall_class ()

static ClassPtr	monomorphicsmiablecall_class ()

static ClassPtr	icdata_class ()

static ClassPtr	megamorphic_cache_class ()

static ClassPtr	subtypetestcache_class ()

static ClassPtr	loadingunit_class ()

static ClassPtr	weak_serialization_reference_class ()

static ClassPtr	weak_array_class ()

static void	InitNullAndBool (IsolateGroup *isolate_group)

static void	Init (IsolateGroup *isolate_group)

static void	InitVtables ()

static void	FinishInit (IsolateGroup *isolate_group)

static void	FinalizeVMIsolate (IsolateGroup *isolate_group)

static void	FinalizeReadOnlyObject (ObjectPtr object)

static void	Cleanup ()

static ErrorPtr	Init (IsolateGroup isolate_group, const uint8_t kernel_buffer, intptr_t kernel_buffer_size)

static void	MakeUnusedSpaceTraversable (const Object &obj, intptr_t original_size, intptr_t used_size)

static intptr_t	InstanceSize ()

template<class FakeObject >
static void	VerifyBuiltinVtable (intptr_t cid)

static void	VerifyBuiltinVtables ()

static bool	ShouldHaveImmutabilityBitSet (classid_t class_id)

Static Public Attributes
static constexpr intptr_t	kIllegalId = 0

static constexpr intptr_t	kRootId = 1

Static Public Attributes inherited from dart::Object
static constexpr intptr_t	kHashBits = 30

static const ClassId	kClassId = kObjectCid

Friends
class	Class

Additional Inherited Members
Public Types inherited from dart::Object
enum	NameVisibility { kInternalName = 0 , kScrubbedName , kUserVisibleName }

enum class	NameDisambiguation { kYes , kNo }

using	UntaggedObjectType = UntaggedObject

using	ObjectPtrType = ObjectPtr

Protected Member Functions inherited from dart::Object
	Object ()

uword	raw_value () const

void	setPtr (ObjectPtr value, intptr_t default_cid)

void	CheckHandle () const

cpp_vtable	vtable () const

void	set_vtable (cpp_vtable value)

bool	Contains (uword addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
type	LoadPointer (type const *addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StorePointer (type const *addr, type value) const

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedPointer (compressed_type const *addr, type value) const

template<typename type >
void	StorePointerUnaligned (type const addr, type value, Thread thread) const

void	StoreSmi (SmiPtr const *addr, SmiPtr value) const

template<typename FieldType >
void	StoreSimd128 (const FieldType *addr, simd128_value_t value) const

template<typename FieldType >
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , std::memory_order order>
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , typename ValueType >
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType , typename ValueType , std::memory_order order>
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType >
FieldType *	UnsafeMutableNonPointer (const FieldType *addr) const

	CLASS_LIST (STORE_NON_POINTER_ILLEGAL_TYPE)

void	UnimplementedMethod () const

void	AddCommonObjectProperties (JSONObject jsobj, const char protocol_type, bool ref) const

Static Protected Member Functions inherited from dart::Object
static DART_NOINLINE Object &	HandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object &	ZoneHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object *	ReadOnlyHandleImpl (intptr_t cid)

static ObjectPtr	Allocate (intptr_t cls_id, intptr_t size, Heap::Space space, bool compressed, uword ptr_field_start_offset, uword ptr_field_end_offset)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space, intptr_t elements)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space, intptr_t elements)

static constexpr intptr_t	RoundedAllocationSize (intptr_t size)

static ObjectPtr	Clone (const Object &orig, Heap::Space space, bool load_with_relaxed_atomics=false)

template<typename T >
static DART_FORCE_INLINE uword	from_offset ()

template<typename T >
static DART_FORCE_INLINE uword	to_offset (intptr_t length=0)

Protected Attributes inherited from dart::Object
ObjectPtr	ptr_

Detailed Description

Definition at line 7936 of file object.h.

Member Function Documentation

◆ base_objects()

ArrayPtr dart::LoadingUnit::base_objects ( ) const

inline

Definition at line 7953 of file object.h.

7953{ return untag()->base_objects(); }

dart::untag

raw_obj untag() -> num_entries()) VARIABLE_COMPRESSED_VISITOR(Array, Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(TypedData, TypedData::ElementSizeInBytes(raw_obj->GetClassId()) *Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(Record, RecordShape(raw_obj->untag() ->shape()).num_fields()) VARIABLE_NULL_VISITOR(CompressedStackMaps, CompressedStackMaps::PayloadSizeOf(raw_obj)) VARIABLE_NULL_VISITOR(OneByteString, Smi::Value(raw_obj->untag() ->length())) VARIABLE_NULL_VISITOR(TwoByteString, Smi::Value(raw_obj->untag() ->length())) intptr_t UntaggedField::VisitFieldPointers(FieldPtr raw_obj, ObjectPointerVisitor *visitor)

Definition raw_object.cc:562

◆ COMPILE_ASSERT()

dart::LoadingUnit::COMPILE_ASSERT ( kIllegalId = =WeakTable::kNoValue )

◆ CompleteLoad()

ObjectPtr dart::LoadingUnit::CompleteLoad	(	const String &	error_message,
		bool	transient_error
	)		const

Definition at line 19763 of file object.cc.

                                                                {
  set_loaded(error_message.IsNull());
 
  const Library& lib = Library::Handle(Library::CoreLibrary());
  const String& sel = String::Handle(String::New("_completeLoads"));
  const Function& func = Function::Handle(lib.LookupFunctionAllowPrivate(sel));
  ASSERT(!func.IsNull());
  const Array& args = Array::Handle(Array::New(3));
  args.SetAt(0, Smi::Handle(Smi::New(id())));
  args.SetAt(1, error_message);
  args.SetAt(2, Bool::Get(transient_error));
  return DartEntry::InvokeFunction(func, args);
}

◆ has_instructions_image()

bool dart::LoadingUnit::has_instructions_image ( ) const

inline

Definition at line 8007 of file object.h.

                                      {
    return loaded() && instructions_image() != nullptr;
  }

◆ id()

intptr_t dart::LoadingUnit::id ( ) const

inline

Definition at line 7956 of file object.h.

                      {
    return untag()->packed_fields_.Read<UntaggedLoadingUnit::IdBits>();
  }

◆ InstanceSize()

static intptr_t dart::LoadingUnit::InstanceSize ( )

inlinestatic

Definition at line 7944 of file object.h.

                                 {
    return RoundedAllocationSize(sizeof(UntaggedLoadingUnit));
  }

◆ instructions_image()

const uint8_t * dart::LoadingUnit::instructions_image ( ) const

inline

Definition at line 7998 of file object.h.

                                            {
    // The instructions image should only be accessed if the load succeeded.
    ASSERT(loaded());
    return untag()->instructions_image_;
  }

◆ IssueLoad()

ObjectPtr dart::LoadingUnit::IssueLoad ( ) const

Definition at line 19758 of file object.cc.

                                       {
  set_load_outstanding();
  return Isolate::Current()->CallDeferredLoadHandler(id());
}

◆ load_outstanding()

bool dart::LoadingUnit::load_outstanding ( ) const

inline

Definition at line 7980 of file object.h.

                                {
    return untag()->packed_fields_.Read<UntaggedLoadingUnit::LoadStateBits>() ==
           UntaggedLoadingUnit::kLoadOutstanding;
  }

◆ loaded()

bool dart::LoadingUnit::loaded ( ) const

inline

Definition at line 7961 of file object.h.

                      {
    return untag()->packed_fields_.Read<UntaggedLoadingUnit::LoadStateBits>() ==
           UntaggedLoadingUnit::kLoaded;
  }

◆ LoadingUnitOf() [1/2]

intptr_t dart::LoadingUnit::LoadingUnitOf ( const Code & code )

static

Definition at line 19800 of file object.cc.

                                                    {
  if (code.IsStubCode() || code.IsTypeTestStubCode() ||
      code.IsAllocationStubCode()) {
    return LoadingUnit::kRootId;
  } else {
    Thread* thread = Thread::Current();
    REUSABLE_FUNCTION_HANDLESCOPE(thread);
    REUSABLE_CLASS_HANDLESCOPE(thread);
    REUSABLE_LIBRARY_HANDLESCOPE(thread);
    REUSABLE_LOADING_UNIT_HANDLESCOPE(thread);
 
    Class& cls = thread->ClassHandle();
    Library& lib = thread->LibraryHandle();
    LoadingUnit& unit = thread->LoadingUnitHandle();
    Function& func = thread->FunctionHandle();
 
    if (code.IsFunctionCode()) {
      func ^= code.function();
      cls = func.Owner();
      lib = cls.library();
      unit = lib.loading_unit();
      ASSERT(!unit.IsNull());
      return unit.id();
    } else {
      UNREACHABLE();
      return LoadingUnit::kIllegalId;
    }
  }
}

◆ LoadingUnitOf() [2/2]

intptr_t dart::LoadingUnit::LoadingUnitOf ( const Function & function )

static

Definition at line 19780 of file object.cc.

                                                            {
  Thread* thread = Thread::Current();
  REUSABLE_CLASS_HANDLESCOPE(thread);
  REUSABLE_LIBRARY_HANDLESCOPE(thread);
  REUSABLE_LOADING_UNIT_HANDLESCOPE(thread);
 
  Class& cls = thread->ClassHandle();
  Library& lib = thread->LibraryHandle();
  LoadingUnit& unit = thread->LoadingUnitHandle();
 
  cls = function.Owner();
  lib = cls.library();
  unit = lib.loading_unit();
  if (unit.IsNull()) {
    FATAL("Unable to find loading unit of %s (class %s, library %s)",
          function.ToFullyQualifiedCString(), cls.ToCString(), lib.ToCString());
  }
  return unit.id();
}

◆ New()

LoadingUnitPtr dart::LoadingUnit::New	(	intptr_t	id,
		const LoadingUnit &	parent
	)

static

Definition at line 19738 of file object.cc.

                                                                      {
  ASSERT(Object::loadingunit_class() != Class::null());
  // LoadingUnit objects are long living objects, allocate them in the
  // old generation.
  auto result = Object::Allocate<LoadingUnit>(Heap::kOld);
  NoSafepointScope scope;
  ASSERT(Utils::IsInt(UntaggedLoadingUnit::IdBits::bitsize(), id));
  result->untag()->packed_fields_.Update<UntaggedLoadingUnit::IdBits>(id);
  result->untag()->set_parent(parent.ptr());
  return result;
}

◆ parent()

LoadingUnitPtr dart::LoadingUnit::parent ( ) const

inline

Definition at line 7951 of file object.h.

7951{ return untag()->parent(); }

◆ set_base_objects()

void dart::LoadingUnit::set_base_objects ( const Array & value ) const

Definition at line 19750 of file object.cc.

                                                           {
  untag()->set_base_objects(value.ptr());
}

◆ set_instructions_image()

void dart::LoadingUnit::set_instructions_image ( const uint8_t * value ) const

inline

Definition at line 8003 of file object.h.

                                                          {
    ASSERT(load_outstanding());
    StoreNonPointer(&untag()->instructions_image_, value);
  }

◆ set_load_outstanding()

void dart::LoadingUnit::set_load_outstanding ( ) const

inline

Definition at line 7984 of file object.h.

                                    {
    auto const previous = UntaggedLoadingUnit::kNotLoaded;
    ASSERT_EQUAL(
        untag()->packed_fields_.Read<UntaggedLoadingUnit::LoadStateBits>(),
        previous);
    auto const expected = UntaggedLoadingUnit::kLoadOutstanding;
    auto const got = untag()
                         ->packed_fields_
                         .UpdateConditional<UntaggedLoadingUnit::LoadStateBits>(
                             expected, previous);
    // Check that we're in the expected state afterwards.
    ASSERT_EQUAL(got, expected);
  }

◆ set_loaded()

void dart::LoadingUnit::set_loaded ( bool value ) const

inline

Definition at line 7966 of file object.h.

                                    {
    ASSERT(load_outstanding());
    auto const expected =
        value ? UntaggedLoadingUnit::kLoaded : UntaggedLoadingUnit::kNotLoaded;
    auto const got = untag()
                         ->packed_fields_
                         .UpdateConditional<UntaggedLoadingUnit::LoadStateBits>(
                             expected, UntaggedLoadingUnit::kLoadOutstanding);
    // Check that we're in the expected state afterwards.
    ASSERT_EQUAL(got, expected);
  }

Friends And Related Symbol Documentation

◆ Class

friend class Class

friend

Definition at line 8017 of file object.h.

Member Data Documentation

◆ kIllegalId

constexpr intptr_t dart::LoadingUnit::kIllegalId = 0

staticconstexpr

Definition at line 7938 of file object.h.

◆ kRootId

constexpr intptr_t dart::LoadingUnit::kRootId = 1

staticconstexpr

Definition at line 7940 of file object.h.

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

third_party/dart-lang/sdk/runtime/vm/object.h
third_party/dart-lang/sdk/runtime/vm/object.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ base_objects()

◆ COMPILE_ASSERT()

◆ CompleteLoad()

◆ has_instructions_image()

◆ id()

◆ InstanceSize()

◆ instructions_image()

◆ IssueLoad()

◆ load_outstanding()

◆ loaded()

◆ LoadingUnitOf() [1/2]

◆ LoadingUnitOf() [2/2]

◆ New()

◆ parent()

◆ set_base_objects()

◆ set_instructions_image()

◆ set_load_outstanding()

◆ set_loaded()

Friends And Related Symbol Documentation

◆ Class

Member Data Documentation

◆ kIllegalId

◆ kRootId