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

#include <object.h>

Inheritance diagram for dart::LocalVarDescriptors:
dart::Object

Public Member Functions

intptr_t Length () const
 
StringPtr GetName (intptr_t var_index) const
 
void SetVar (intptr_t var_index, const String &name, UntaggedLocalVarDescriptors::VarInfo *info) const
 
void GetInfo (intptr_t var_index, UntaggedLocalVarDescriptors::VarInfo *info) 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 InstanceSize ()
 
static intptr_t InstanceSize (intptr_t len)
 
static LocalVarDescriptorsPtr New (intptr_t num_variables)
 
static const char * KindToCString (UntaggedLocalVarDescriptors::VarInfoKind kind)
 
- 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)
 

Static Public Attributes

static constexpr intptr_t kBytesPerElement
 
static constexpr intptr_t kMaxElements
 
- Static Public Attributes inherited from dart::Object
static constexpr intptr_t kHashBits = 30
 
static const ClassId kClassId = kObjectCid
 

Friends

class Class
 
class Object
 

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 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 6008 of file object.h.

Member Function Documentation

◆ GetInfo()

void dart::LocalVarDescriptors::GetInfo ( intptr_t  var_index,
UntaggedLocalVarDescriptors::VarInfo info 
) const

Definition at line 16093 of file object.cc.

16095 {
16096 ASSERT(var_index < Length());
16097 *info = ptr()->untag()->data()[var_index];
16098}
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition DM.cpp:213
intptr_t Length() const
Definition object.cc:16196
UntaggedObject * untag() const
ObjectPtr ptr() const
Definition object.h:332
#define ASSERT(E)

◆ GetName()

StringPtr dart::LocalVarDescriptors::GetName ( intptr_t  var_index) const

Definition at line 16077 of file object.cc.

16077 {
16078 ASSERT(var_index < Length());
16079 ASSERT(Object::Handle(ptr()->untag()->name(var_index)).IsString());
16080 return ptr()->untag()->name(var_index);
16081}
static Object & Handle()
Definition object.h:407
const char *const name
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)

◆ InstanceSize() [1/2]

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

Definition at line 6026 of file object.h.

6026 {
6027 ASSERT(sizeof(UntaggedLocalVarDescriptors) ==
6028 OFFSET_OF_RETURNED_VALUE(UntaggedLocalVarDescriptors, names));
6029 return 0;
6030 }
static const char *const names[]
Definition symbols.cc:24
#define OFFSET_OF_RETURNED_VALUE(type, accessor)
Definition globals.h:143

◆ InstanceSize() [2/2]

static intptr_t dart::LocalVarDescriptors::InstanceSize ( intptr_t  len)
inlinestatic

Definition at line 6031 of file object.h.

6031 {
6032 ASSERT(0 <= len && len <= kMaxElements);
6033 return RoundedAllocationSize(
6034 sizeof(UntaggedLocalVarDescriptors) +
6035 (len * kWordSize) // RawStrings for names.
6036 + (len * sizeof(UntaggedLocalVarDescriptors::VarInfo)));
6037 }
static constexpr intptr_t kMaxElements
Definition object.h:6023
static constexpr intptr_t RoundedAllocationSize(intptr_t size)
Definition object.h:758
constexpr intptr_t kWordSize
Definition globals.h:509

◆ KindToCString()

const char * dart::LocalVarDescriptors::KindToCString ( UntaggedLocalVarDescriptors::VarInfoKind  kind)
static

Definition at line 16164 of file object.cc.

16165 {
16166 switch (kind) {
16168 return "StackVar";
16170 return "ContextVar";
16172 return "ContextLevel";
16174 return "CurrentCtx";
16175 default:
16176 UNIMPLEMENTED();
16177 return nullptr;
16178 }
16179}
#define UNIMPLEMENTED

◆ Length()

intptr_t dart::LocalVarDescriptors::Length ( ) const

Definition at line 16196 of file object.cc.

16196 {
16197 return untag()->num_entries_;
16198}

◆ New()

LocalVarDescriptorsPtr dart::LocalVarDescriptors::New ( intptr_t  num_variables)
static

Definition at line 16181 of file object.cc.

16181 {
16183 if (num_variables < 0 || num_variables > kMaxElements) {
16184 // This should be caught before we reach here.
16185 FATAL(
16186 "Fatal error in LocalVarDescriptors::New: "
16187 "invalid num_variables %" Pd ". Maximum is: %d\n",
16189 }
16190 auto raw = Object::Allocate<LocalVarDescriptors>(Heap::kOld, num_variables);
16191 NoSafepointScope no_safepoint;
16192 raw->untag()->num_entries_ = num_variables;
16193 return raw;
16194}
@ kOld
Definition heap.h:39
static ObjectPtr null()
Definition object.h:433
static ClassPtr var_descriptors_class()
Definition object.h:545
#define FATAL(error)
#define Pd
Definition globals.h:408

◆ SetVar()

void dart::LocalVarDescriptors::SetVar ( intptr_t  var_index,
const String name,
UntaggedLocalVarDescriptors::VarInfo info 
) const

Definition at line 16083 of file object.cc.

16086 {
16087 ASSERT(var_index < Length());
16088 ASSERT(!name.IsNull());
16089 ptr()->untag()->set_name(var_index, name.ptr());
16090 ptr()->untag()->data()[var_index] = *info;
16091}

Friends And Related Symbol Documentation

◆ Class

friend class Class
friend

Definition at line 6046 of file object.h.

◆ Object

friend class Object
friend

Definition at line 6047 of file object.h.

Member Data Documentation

◆ kBytesPerElement

constexpr intptr_t dart::LocalVarDescriptors::kBytesPerElement
staticconstexpr
Initial value:
=
sizeof(UntaggedLocalVarDescriptors::VarInfo)

Definition at line 6021 of file object.h.

◆ kMaxElements

constexpr intptr_t dart::LocalVarDescriptors::kMaxElements
staticconstexpr
Initial value:

Definition at line 6023 of file object.h.


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