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Public Member Functions | Static Public Member Functions | Friends | List of all members
dart::Closure Class Reference

#include <object.h>

Inheritance diagram for dart::Closure:
dart::Instance dart::Object

Public Member Functions

TypeArgumentsPtr instantiator_type_arguments () const
 
void set_instantiator_type_arguments (const TypeArguments &args) const
 
TypeArgumentsPtr function_type_arguments () const
 
void set_function_type_arguments (const TypeArguments &args) const
 
TypeArgumentsPtr delayed_type_arguments () const
 
void set_delayed_type_arguments (const TypeArguments &args) const
 
FunctionPtr function () const
 
ObjectPtr RawContext () const
 
ContextPtr GetContext () const
 
InstancePtr GetImplicitClosureReceiver () const
 
bool IsGeneric () const
 
SmiPtr hash () const
 
virtual void CanonicalizeFieldsLocked (Thread *thread) const
 
virtual bool CanonicalizeEquals (const Instance &other) const
 
virtual uint32_t CanonicalizeHash () const
 
uword ComputeHash () const
 
FunctionTypePtr GetInstantiatedSignature (Zone *zone) const
 
- Public Member Functions inherited from dart::Instance
virtual bool OperatorEquals (const Instance &other) const
 
bool IsIdenticalTo (const Instance &other) const
 
intptr_t SizeFromClass () const
 
InstancePtr Canonicalize (Thread *thread) const
 
virtual InstancePtr CanonicalizeLocked (Thread *thread) const
 
InstancePtr CopyShallowToOldSpace (Thread *thread) const
 
ObjectPtr GetField (const Field &field) const
 
void SetField (const Field &field, const Object &value) const
 
AbstractTypePtr GetType (Heap::Space space) const
 
virtual TypeArgumentsPtr GetTypeArguments () const
 
virtual void SetTypeArguments (const TypeArguments &value) const
 
bool IsInstanceOf (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const
 
bool IsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const
 
bool IsValidNativeIndex (int index) const
 
intptr_t * NativeFieldsDataAddr () const
 
intptr_t GetNativeField (int index) const
 
void GetNativeFields (uint16_t num_fields, intptr_t *field_values) const
 
void SetNativeFields (uint16_t num_fields, const intptr_t *field_values) const
 
uint16_t NumNativeFields () const
 
void SetNativeField (int index, intptr_t value) const
 
bool IsCallable (Function *function) const
 
ObjectPtr Invoke (const String &selector, const Array &arguments, const Array &argument_names, bool respect_reflectable=true, bool check_is_entrypoint=false) const
 
ObjectPtr InvokeGetter (const String &selector, bool respect_reflectable=true, bool check_is_entrypoint=false) const
 
ObjectPtr InvokeSetter (const String &selector, const Instance &argument, bool respect_reflectable=true, bool check_is_entrypoint=false) const
 
ObjectPtr EvaluateCompiledExpression (const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &arguments, const TypeArguments &type_arguments) const
 
virtual ObjectPtr HashCode () const
 
IntegerPtr IdentityHashCode (Thread *thread) const
 
virtual bool IsPointer () 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 instantiator_type_arguments_offset ()
 
static intptr_t function_type_arguments_offset ()
 
static intptr_t delayed_type_arguments_offset ()
 
static intptr_t function_offset ()
 
static FunctionPtr FunctionOf (ClosurePtr closure)
 
static intptr_t context_offset ()
 
static intptr_t hash_offset ()
 
static intptr_t InstanceSize ()
 
static ClosurePtr New (const TypeArguments &instantiator_type_arguments, const TypeArguments &function_type_arguments, const Function &function, const Object &context, Heap::Space space=Heap::kNew)
 
static ClosurePtr New (const TypeArguments &instantiator_type_arguments, const TypeArguments &function_type_arguments, const TypeArguments &delayed_type_arguments, const Function &function, const Object &context, Heap::Space space=Heap::kNew)
 
- Static Public Member Functions inherited from dart::Instance
static bool NullIsAssignableTo (const AbstractType &other)
 
static bool NullIsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments)
 
static ObjectPtr EvaluateCompiledExpression (Thread *thread, const Object &receiver, const Library &library, const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &param_values, const TypeArguments &type_param_values)
 
static intptr_t UnroundedSize ()
 
static intptr_t InstanceSize ()
 
static InstancePtr New (const Class &cls, Heap::Space space=Heap::kNew)
 
static InstancePtr NewAlreadyFinalized (const Class &cls, Heap::Space space=Heap::kNew)
 
static intptr_t DataOffsetFor (intptr_t cid)
 
static intptr_t ElementSizeFor (intptr_t cid)
 
static intptr_t NextFieldOffset ()
 
static intptr_t NativeFieldsOffset ()
 
- Static Public Member Functions inherited from dart::Object
static ObjectPtr RawCast (ObjectPtr obj)
 
static constexpr bool ContainsCompressedPointers ()
 
static intptr_t tags_offset ()
 
static ObjectHandle ()
 
static ObjectHandle (Zone *zone)
 
static ObjectHandle (ObjectPtr ptr)
 
static ObjectHandle (Zone *zone, ObjectPtr ptr)
 
static ObjectZoneHandle ()
 
static ObjectZoneHandle (Zone *zone)
 
static ObjectZoneHandle (ObjectPtr ptr)
 
static ObjectZoneHandle (Zone *zone, ObjectPtr ptr)
 
static ObjectReadOnlyHandle ()
 
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)
 

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
 
- Static Public Attributes inherited from dart::Object
static constexpr intptr_t kHashBits = 30
 
static const ClassId kClassId = kObjectCid
 
- Protected Member Functions inherited from dart::Instance
virtual void PrintSharedInstanceJSON (JSONObject *jsobj, bool ref, bool include_id=true) const
 
- 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 ObjectHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)
 
static DART_NOINLINE ObjectZoneHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)
 
static DART_NOINLINE ObjectReadOnlyHandleImpl (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 12282 of file object.h.

Member Function Documentation

◆ CanonicalizeEquals()

bool dart::Closure::CanonicalizeEquals ( const Instance other) const
virtual

Reimplemented from dart::Instance.

Definition at line 25940 of file object.cc.

25940 {
25941 if (!other.IsClosure()) return false;
25942
25943 const Closure& other_closure = Closure::Cast(other);
25944 return (instantiator_type_arguments() ==
25945 other_closure.instantiator_type_arguments()) &&
25947 other_closure.function_type_arguments()) &&
25948 (delayed_type_arguments() == other_closure.delayed_type_arguments()) &&
25949 (function() == other_closure.function()) &&
25950 (RawContext() == other_closure.RawContext());
25951}
ObjectPtr RawContext() const
Definition object.h:12332
TypeArgumentsPtr instantiator_type_arguments() const
Definition object.h:12294
TypeArgumentsPtr delayed_type_arguments() const
Definition object.h:12314
TypeArgumentsPtr function_type_arguments() const
Definition object.h:12304
FunctionPtr function() const
Definition object.h:12324
friend class Closure
Definition object.h:8405

◆ CanonicalizeFieldsLocked()

void dart::Closure::CanonicalizeFieldsLocked ( Thread thread) const
virtual

Reimplemented from dart::Instance.

Definition at line 25953 of file object.cc.

25953 {
25954 TypeArguments& type_args = TypeArguments::Handle();
25955 type_args = instantiator_type_arguments();
25956 if (!type_args.IsNull()) {
25957 type_args = type_args.Canonicalize(thread);
25959 }
25960 type_args = function_type_arguments();
25961 if (!type_args.IsNull()) {
25962 type_args = type_args.Canonicalize(thread);
25963 set_function_type_arguments(type_args);
25964 }
25965 type_args = delayed_type_arguments();
25966 if (!type_args.IsNull()) {
25967 type_args = type_args.Canonicalize(thread);
25968 set_delayed_type_arguments(type_args);
25969 }
25970 // Ignore function, context, hash.
25971}
void set_delayed_type_arguments(const TypeArguments &args) const
Definition object.h:12317
void set_function_type_arguments(const TypeArguments &args) const
Definition object.h:12307
void set_instantiator_type_arguments(const TypeArguments &args) const
Definition object.h:12297
static Object & Handle()
Definition object.h:407

◆ CanonicalizeHash()

virtual uint32_t dart::Closure::CanonicalizeHash ( ) const
inlinevirtual

Reimplemented from dart::Instance.

Definition at line 12363 of file object.h.

12363 {
12364 return Function::Handle(function()).Hash();
12365 }

◆ ComputeHash()

uword dart::Closure::ComputeHash ( ) const

Definition at line 25988 of file object.cc.

25988 {
25989 Thread* thread = Thread::Current();
25990 DEBUG_ASSERT(thread->TopErrorHandlerIsExitFrame());
25991 Zone* zone = thread->zone();
25992 const Function& func = Function::Handle(zone, function());
25993 uint32_t result = 0;
25994 if (func.IsImplicitClosureFunction() || func.IsGeneric()) {
25995 // Combine function's hash code, delayed type arguments hash code
25996 // (if generic), and identityHashCode of cached receiver (if implicit
25997 // instance closure).
25998 result = static_cast<uint32_t>(func.Hash());
25999 if (func.IsGeneric()) {
26000 const TypeArguments& delayed_type_args =
26002 result = CombineHashes(result, delayed_type_args.Hash());
26003 }
26004 if (func.IsImplicitInstanceClosureFunction()) {
26005 const Instance& receiver =
26007 const Integer& receiverHash =
26008 Integer::Handle(zone, receiver.IdentityHashCode(thread));
26009 result = CombineHashes(result, receiverHash.AsTruncatedUint32Value());
26010 }
26011 } else {
26012 // Non-implicit closures of non-generic functions are unique,
26013 // so identityHashCode of closure object is good enough.
26014 const Integer& identityHash =
26015 Integer::Handle(zone, this->IdentityHashCode(thread));
26016 result = identityHash.AsTruncatedUint32Value();
26017 }
26019}
#define DEBUG_ASSERT(cond)
Definition assert.h:321
InstancePtr GetImplicitClosureReceiver() const
Definition object.h:12339
IntegerPtr IdentityHashCode(Thread *thread) const
Definition object.cc:20260
static constexpr intptr_t kHashBits
Definition object.h:323
static Thread * Current()
Definition thread.h:361
GAsyncResult * result
uint32_t CombineHashes(uint32_t hash, uint32_t other_hash)
Definition hash.h:12
uint32_t FinalizeHash(uint32_t hash, intptr_t hashbits=kBitsPerInt32)
Definition hash.h:20

◆ context_offset()

static intptr_t dart::Closure::context_offset ( )
inlinestatic

Definition at line 12344 of file object.h.

12344 {
12345 return OFFSET_OF(UntaggedClosure, context_);
12346 }
#define OFFSET_OF(type, field)
Definition globals.h:138

◆ delayed_type_arguments()

TypeArgumentsPtr dart::Closure::delayed_type_arguments ( ) const
inline

Definition at line 12314 of file object.h.

12314 {
12315 return untag()->delayed_type_arguments();
12316 }
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)

◆ delayed_type_arguments_offset()

static intptr_t dart::Closure::delayed_type_arguments_offset ( )
inlinestatic

Definition at line 12320 of file object.h.

12320 {
12321 return OFFSET_OF(UntaggedClosure, delayed_type_arguments_);
12322 }

◆ function()

FunctionPtr dart::Closure::function ( ) const
inline

Definition at line 12324 of file object.h.

12324{ return untag()->function(); }

◆ function_offset()

static intptr_t dart::Closure::function_offset ( )
inlinestatic

Definition at line 12325 of file object.h.

12325 {
12326 return OFFSET_OF(UntaggedClosure, function_);
12327 }

◆ function_type_arguments()

TypeArgumentsPtr dart::Closure::function_type_arguments ( ) const
inline

Definition at line 12304 of file object.h.

12304 {
12305 return untag()->function_type_arguments();
12306 }

◆ function_type_arguments_offset()

static intptr_t dart::Closure::function_type_arguments_offset ( )
inlinestatic

Definition at line 12310 of file object.h.

12310 {
12311 return OFFSET_OF(UntaggedClosure, function_type_arguments_);
12312 }

◆ FunctionOf()

static FunctionPtr dart::Closure::FunctionOf ( ClosurePtr  closure)
inlinestatic

Definition at line 12328 of file object.h.

12328 {
12329 return closure.untag()->function();
12330 }
std::function< void()> closure
Definition closure.h:14

◆ GetContext()

ContextPtr dart::Closure::GetContext ( ) const
inline

Definition at line 12334 of file object.h.

12334 {
12336 return Context::RawCast(RawContext());
12337 }
bool IsImplicitClosureFunction() const
Definition object.h:3883
static ObjectPtr RawCast(ObjectPtr obj)
Definition object.h:325
#define ASSERT(E)

◆ GetImplicitClosureReceiver()

InstancePtr dart::Closure::GetImplicitClosureReceiver ( ) const
inline

Definition at line 12339 of file object.h.

12339 {
12341 return Instance::RawCast(RawContext());
12342 }
bool IsImplicitInstanceClosureFunction() const
Definition object.h:3904

◆ GetInstantiatedSignature()

FunctionTypePtr dart::Closure::GetInstantiatedSignature ( Zone zone) const

Definition at line 26063 of file object.cc.

26063 {
26064 const Function& fun = Function::Handle(zone, function());
26065 FunctionType& sig = FunctionType::Handle(zone, fun.signature());
26066 TypeArguments& fn_type_args =
26068 const TypeArguments& delayed_type_args =
26070 const TypeArguments& inst_type_args =
26072
26073 // We detect the case of a partial tearoff type application and substitute the
26074 // type arguments for the type parameters of the function.
26075 intptr_t num_free_params;
26076 if (!IsGeneric() && fun.IsGeneric()) {
26077 num_free_params = kCurrentAndEnclosingFree;
26078 fn_type_args = delayed_type_args.Prepend(
26079 zone, fn_type_args, sig.NumParentTypeArguments(),
26080 sig.NumTypeParameters() + sig.NumParentTypeArguments());
26081 } else {
26082 num_free_params = kAllFree;
26083 }
26084 if (num_free_params == kCurrentAndEnclosingFree || !sig.IsInstantiated()) {
26085 sig ^= sig.InstantiateFrom(inst_type_args, fn_type_args, num_free_params,
26086 Heap::kOld);
26087 }
26088 return sig.ptr();
26089}
bool IsGeneric() const
Definition object.h:12350
@ kOld
Definition heap.h:39
@ kCurrentAndEnclosingFree
Definition object.h:2917
@ kAllFree
Definition object.h:2920

◆ hash()

SmiPtr dart::Closure::hash ( ) const
inline

Definition at line 12354 of file object.h.

12354{ return untag()->hash(); }

◆ hash_offset()

static intptr_t dart::Closure::hash_offset ( )
inlinestatic

Definition at line 12355 of file object.h.

12355{ return OFFSET_OF(UntaggedClosure, hash_); }

◆ InstanceSize()

static intptr_t dart::Closure::InstanceSize ( )
inlinestatic

Definition at line 12357 of file object.h.

12357 {
12358 return RoundedAllocationSize(sizeof(UntaggedClosure));
12359 }
static constexpr intptr_t RoundedAllocationSize(intptr_t size)
Definition object.h:758

◆ instantiator_type_arguments()

TypeArgumentsPtr dart::Closure::instantiator_type_arguments ( ) const
inline

Definition at line 12294 of file object.h.

12294 {
12295 return untag()->instantiator_type_arguments();
12296 }

◆ instantiator_type_arguments_offset()

static intptr_t dart::Closure::instantiator_type_arguments_offset ( )
inlinestatic

Definition at line 12300 of file object.h.

12300 {
12301 return OFFSET_OF(UntaggedClosure, instantiator_type_arguments_);
12302 }

◆ IsGeneric()

bool dart::Closure::IsGeneric ( ) const
inline

Definition at line 12350 of file object.h.

12350 {
12351 return delayed_type_arguments() == Object::empty_type_arguments().ptr();
12352 }

◆ New() [1/2]

ClosurePtr dart::Closure::New ( const TypeArguments instantiator_type_arguments,
const TypeArguments function_type_arguments,
const Function function,
const Object context,
Heap::Space  space = Heap::kNew 
)
static

Definition at line 26021 of file object.cc.

26025 {
26026 // We store null delayed type arguments, not empty ones, in closures with
26027 // non-generic functions a) to make method extraction slightly faster and
26028 // b) to make the Closure::IsGeneric check fast.
26029 // Keep in sync with StubCodeCompiler::GenerateAllocateClosureStub.
26031 function.IsGeneric() ? Object::empty_type_arguments()
26032 : Object::null_type_arguments(),
26033 function, context, space);
26034}
static ClosurePtr New(const TypeArguments &instantiator_type_arguments, const TypeArguments &function_type_arguments, const Function &function, const Object &context, Heap::Space space=Heap::kNew)
Definition object.cc:26021

◆ New() [2/2]

ClosurePtr dart::Closure::New ( const TypeArguments instantiator_type_arguments,
const TypeArguments function_type_arguments,
const TypeArguments delayed_type_arguments,
const Function function,
const Object context,
Heap::Space  space = Heap::kNew 
)
static

Definition at line 26036 of file object.cc.

26041 {
26042 ASSERT(instantiator_type_arguments.IsCanonical());
26043 ASSERT(function_type_arguments.IsCanonical());
26044 ASSERT(delayed_type_arguments.IsCanonical());
26046 ASSERT(
26047 (function.IsImplicitInstanceClosureFunction() && context.IsInstance()) ||
26048 (function.IsNonImplicitClosureFunction() && context.IsContext()) ||
26049 context.IsNull());
26050 const auto& result = Closure::Handle(Object::Allocate<Closure>(space));
26051 result.untag()->set_instantiator_type_arguments(
26053 result.untag()->set_function_type_arguments(function_type_arguments.ptr());
26054 result.untag()->set_delayed_type_arguments(delayed_type_arguments.ptr());
26055 result.untag()->set_function(function.ptr());
26056 result.untag()->set_context(context.ptr());
26057#if defined(DART_PRECOMPILED_RUNTIME)
26058 result.set_entry_point(function.entry_point());
26059#endif
26060 return result.ptr();
26061}
bool IsCanonical() const
Definition object.h:335

◆ RawContext()

ObjectPtr dart::Closure::RawContext ( ) const
inline

Definition at line 12332 of file object.h.

12332{ return untag()->context(); }

◆ set_delayed_type_arguments()

void dart::Closure::set_delayed_type_arguments ( const TypeArguments args) const
inline

Definition at line 12317 of file object.h.

12317 {
12318 untag()->set_delayed_type_arguments(args.ptr());
12319 }
G_BEGIN_DECLS G_MODULE_EXPORT FlValue * args

◆ set_function_type_arguments()

void dart::Closure::set_function_type_arguments ( const TypeArguments args) const
inline

Definition at line 12307 of file object.h.

12307 {
12308 untag()->set_function_type_arguments(args.ptr());
12309 }

◆ set_instantiator_type_arguments()

void dart::Closure::set_instantiator_type_arguments ( const TypeArguments args) const
inline

Definition at line 12297 of file object.h.

12297 {
12298 untag()->set_instantiator_type_arguments(args.ptr());
12299 }

Friends And Related Symbol Documentation

◆ Class

friend class Class
friend

Definition at line 12385 of file object.h.


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