#include <object.h>

Inheritance diagram for dart::TypeParameters:

Public Member Functions
intptr_t	Length () const

StringPtr	NameAt (intptr_t index) const

void	SetNameAt (intptr_t index, const String &value) const

AbstractTypePtr	BoundAt (intptr_t index) const

void	SetBoundAt (intptr_t index, const AbstractType &value) const

bool	AllDynamicBounds () const

AbstractTypePtr	DefaultAt (intptr_t index) const

void	SetDefaultAt (intptr_t index, const AbstractType &value) const

bool	AllDynamicDefaults () const

bool	IsGenericCovariantImplAt (intptr_t index) const

void	SetIsGenericCovariantImplAt (intptr_t index, bool value) const

	COMPILE_ASSERT (kFlagsPerSmi< kSmiBits)

void	Print (Thread thread, Zone zone, bool are_class_type_parameters, intptr_t base, NameVisibility name_visibility, BaseTextBuffer *printer) 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 intptr_t	names_offset ()

static intptr_t	flags_offset ()

static intptr_t	bounds_offset ()

static intptr_t	defaults_offset ()

static intptr_t	InstanceSize ()

static TypeParametersPtr	New (Heap::Space space=Heap::kOld)

static TypeParametersPtr	New (intptr_t count, Heap::Space space=Heap::kOld)

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	kFlagsPerSmiShift = kBitsPerWordLog2 - 1

static constexpr intptr_t	kFlagsPerSmi = 1LL << kFlagsPerSmiShift

static constexpr intptr_t	kFlagsPerSmiMask = kFlagsPerSmi - 1

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

static const ClassId	kClassId = kObjectCid

Friends
class	Class

class	ClassFinalizer

class	FlowGraphSerializer

class	FlowGraphDeserializer

class	Function

class	FunctionType

class	Object

class	Precompiler

class	Type

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 8460 of file object.h.

Member Function Documentation

◆ AllDynamicBounds()

bool dart::TypeParameters::AllDynamicBounds ( ) const

Definition at line 6660 of file object.cc.

                                            {
  return bounds() == TypeArguments::null();
}

◆ AllDynamicDefaults()

bool dart::TypeParameters::AllDynamicDefaults ( ) const

Definition at line 6681 of file object.cc.

                                              {
  return defaults() == TypeArguments::null();
}

◆ BoundAt()

AbstractTypePtr dart::TypeParameters::BoundAt ( intptr_t index ) const

Definition at line 6648 of file object.cc.

                                                            {
  const TypeArguments& upper_bounds = TypeArguments::Handle(bounds());
  return upper_bounds.IsNull() ? Type::DynamicType()
                               : upper_bounds.TypeAt(index);
}

◆ bounds_offset()

static intptr_t dart::TypeParameters::bounds_offset ( )

inlinestatic

Definition at line 8474 of file object.h.

                                  {
    return OFFSET_OF(UntaggedTypeParameters, bounds_);
  }

◆ COMPILE_ASSERT()

dart::TypeParameters::COMPILE_ASSERT ( )

◆ DefaultAt()

AbstractTypePtr dart::TypeParameters::DefaultAt ( intptr_t index ) const

Definition at line 6669 of file object.cc.

                                                              {
  const TypeArguments& default_type_args = TypeArguments::Handle(defaults());
  return default_type_args.IsNull() ? Type::DynamicType()
                                    : default_type_args.TypeAt(index);
}

◆ defaults_offset()

static intptr_t dart::TypeParameters::defaults_offset ( )

inlinestatic

Definition at line 8481 of file object.h.

                                    {
    return OFFSET_OF(UntaggedTypeParameters, defaults_);
  }

◆ flags_offset()

static intptr_t dart::TypeParameters::flags_offset ( )

inlinestatic

Definition at line 8470 of file object.h.

                                 {
    return OFFSET_OF(UntaggedTypeParameters, flags_);
  }

◆ InstanceSize()

static intptr_t dart::TypeParameters::InstanceSize ( )

inlinestatic

Definition at line 8511 of file object.h.

                                 {
    return RoundedAllocationSize(sizeof(UntaggedTypeParameters));
  }

◆ IsGenericCovariantImplAt()

bool dart::TypeParameters::IsGenericCovariantImplAt ( intptr_t index ) const

Definition at line 6707 of file object.cc.

                                                                  {
  if (untag()->flags() == Array::null()) return false;
  const intptr_t flag = Smi::Value(
      Smi::RawCast(Array::Handle(flags()).At(index >> kFlagsPerSmiShift)));
  return (flag >> (index & kFlagsPerSmiMask)) != 0;
}

◆ Length()

intptr_t dart::TypeParameters::Length ( ) const

Definition at line 6619 of file object.cc.

                                      {
  if (IsNull() || untag()->names() == Array::null()) return 0;
  return Smi::Value(untag()->names()->untag()->length());
}

◆ NameAt()

StringPtr dart::TypeParameters::NameAt ( intptr_t index ) const

Definition at line 6629 of file object.cc.

                                                     {
  const Array& names_array = Array::Handle(names());
  return String::RawCast(names_array.At(index));
}

◆ names_offset()

static intptr_t dart::TypeParameters::names_offset ( )

inlinestatic

Definition at line 8464 of file object.h.

                                 {
    return OFFSET_OF(UntaggedTypeParameters, names_);
  }

◆ New() [1/2]

TypeParametersPtr dart::TypeParameters::New ( Heap::Space space = Heap::kOld )

static

Definition at line 6778 of file object.cc.

                                                     {
  ASSERT(Object::type_parameters_class() != Class::null());
  return Object::Allocate<TypeParameters>(space);
}

◆ New() [2/2]

TypeParametersPtr dart::TypeParameters::New	(	intptr_t	count,
		Heap::Space	space = `Heap::kOld`
	)

static

Definition at line 6783 of file object.cc.

                                                                     {
  const TypeParameters& result =
      TypeParameters::Handle(TypeParameters::New(space));
  // Create an [ Array ] of [ String ] objects to represent the names.
  // Create a [ TypeArguments ] vector representing the bounds.
  // Create a [ TypeArguments ] vector representing the defaults.
  // Create an [ Array ] of [ Smi] objects to represent the flags.
  const Array& names_array = Array::Handle(Array::New(count, space));
  result.set_names(names_array);
  TypeArguments& type_args = TypeArguments::Handle();
  type_args = TypeArguments::New(count, Heap::kNew);  // Will get canonicalized.
  result.set_bounds(type_args);
  type_args = TypeArguments::New(count, Heap::kNew);  // Will get canonicalized.
  result.set_defaults(type_args);
  result.AllocateFlags(space);  // Will get optimized.
  return result.ptr();
}

◆ Print()

void dart::TypeParameters::Print	(	Thread *	thread,
		Zone *	zone,
		bool	are_class_type_parameters,
		intptr_t	base,
		NameVisibility	name_visibility,
		BaseTextBuffer *	printer
	)		const

Definition at line 6726 of file object.cc.

                                                          {
  String& name = String::Handle(zone);
  AbstractType& type = AbstractType::Handle(zone);
  const intptr_t num_type_params = Length();
  for (intptr_t i = 0; i < num_type_params; i++) {
    if (are_class_type_parameters) {
      name = NameAt(i);
      printer->AddString(name.ToCString());
    } else {
      printer->AddString(TypeParameter::CanonicalNameCString(
          are_class_type_parameters, base, base + i));
    }
    if (FLAG_show_internal_names || !AllDynamicBounds()) {
      type = BoundAt(i);
      // Do not print default bound.
      if (!type.IsNull() && (FLAG_show_internal_names || !type.IsObjectType() ||
                             type.IsNonNullable())) {
        printer->AddString(" extends ");
        type.PrintName(name_visibility, printer);
        if (FLAG_show_internal_names && !AllDynamicDefaults()) {
          type = DefaultAt(i);
          if (!type.IsNull() &&
              (FLAG_show_internal_names || !type.IsDynamicType())) {
            printer->AddString(" defaults to ");
            type.PrintName(name_visibility, printer);
          }
        }
      }
    }
    if (i != num_type_params - 1) {
      printer->AddString(", ");
    }
  }
}

◆ SetBoundAt()

void dart::TypeParameters::SetBoundAt	(	intptr_t	index,
		const AbstractType &	value
	)		const

Definition at line 6654 of file object.cc.

                                                                 {
  const TypeArguments& upper_bounds = TypeArguments::Handle(bounds());
  upper_bounds.SetTypeAt(index, value);
}

◆ SetDefaultAt()

void dart::TypeParameters::SetDefaultAt	(	intptr_t	index,
		const AbstractType &	value
	)		const

Definition at line 6675 of file object.cc.

                                                                   {
  const TypeArguments& default_type_args = TypeArguments::Handle(defaults());
  default_type_args.SetTypeAt(index, value);
}

◆ SetIsGenericCovariantImplAt()

void dart::TypeParameters::SetIsGenericCovariantImplAt	(	intptr_t	index,
		bool	value
	)		const

Definition at line 6714 of file object.cc.

                                                                   {
  const Array& flg = Array::Handle(flags());
  intptr_t flag = Smi::Value(Smi::RawCast(flg.At(index >> kFlagsPerSmiShift)));
  if (value) {
    flag |= 1 << (index % kFlagsPerSmiMask);
  } else {
    flag &= ~(1 << (index % kFlagsPerSmiMask));
  }
  flg.SetAt(index >> kFlagsPerSmiShift, Smi::Handle(Smi::New(flag)));
}

◆ SetNameAt()

void dart::TypeParameters::SetNameAt	(	intptr_t	index,
		const String &	value
	)		const

Definition at line 6634 of file object.cc.

                                                                        {
  const Array& names_array = Array::Handle(names());
  names_array.SetAt(index, value);
}

Friends And Related Symbol Documentation

◆ Class

friend class Class

friend

Definition at line 8534 of file object.h.

◆ ClassFinalizer

friend class ClassFinalizer

friend

Definition at line 8535 of file object.h.

◆ FlowGraphDeserializer

friend class FlowGraphDeserializer

friend

Definition at line 8537 of file object.h.

◆ FlowGraphSerializer

friend class FlowGraphSerializer

friend

Definition at line 8536 of file object.h.

◆ Function

friend class Function

friend

Definition at line 8538 of file object.h.

◆ FunctionType

friend class FunctionType

friend

Definition at line 8539 of file object.h.

◆ Object

friend class Object

friend

Definition at line 8540 of file object.h.

◆ Precompiler

friend class Precompiler

friend

Definition at line 8541 of file object.h.

◆ Type

friend class Type

friend

Definition at line 8542 of file object.h.

Member Data Documentation

◆ kFlagsPerSmi

constexpr intptr_t dart::TypeParameters::kFlagsPerSmi = 1LL << kFlagsPerSmiShift

staticconstexpr

Definition at line 8500 of file object.h.

◆ kFlagsPerSmiMask

constexpr intptr_t dart::TypeParameters::kFlagsPerSmiMask = kFlagsPerSmi - 1

staticconstexpr

Definition at line 8502 of file object.h.

◆ kFlagsPerSmiShift

constexpr intptr_t dart::TypeParameters::kFlagsPerSmiShift = kBitsPerWordLog2 - 1

staticconstexpr

Definition at line 8496 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

◆ AllDynamicBounds()

◆ AllDynamicDefaults()

◆ BoundAt()

◆ bounds_offset()

◆ COMPILE_ASSERT()

◆ DefaultAt()

◆ defaults_offset()

◆ flags_offset()

◆ InstanceSize()

◆ IsGenericCovariantImplAt()

◆ Length()

◆ NameAt()

◆ names_offset()

◆ New() [1/2]

◆ New() [2/2]

◆ Print()

◆ SetBoundAt()

◆ SetDefaultAt()

◆ SetIsGenericCovariantImplAt()

◆ SetNameAt()

Friends And Related Symbol Documentation

◆ Class

◆ ClassFinalizer

◆ FlowGraphDeserializer

◆ FlowGraphSerializer

◆ Function

◆ FunctionType

◆ Object

◆ Precompiler

◆ Type

Member Data Documentation

◆ kFlagsPerSmi

◆ kFlagsPerSmiMask

◆ kFlagsPerSmiShift