Make object accessors more const-correct.

Getting closer to making our IsFOO and FOO::cast methods const-correct...

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/349623002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21897 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
svenpanne@chromium.org 2014-06-20 10:31:17 +00:00
parent 1fd638e284
commit dda110fd77
3 changed files with 96 additions and 88 deletions

View File

@ -67,30 +67,30 @@ PropertyDetails PropertyDetails::AsDeleted() const {
}
#define INT_ACCESSORS(holder, name, offset) \
int holder::name() { return READ_INT_FIELD(this, offset); } \
#define INT_ACCESSORS(holder, name, offset) \
int holder::name() const { return READ_INT_FIELD(this, offset); } \
void holder::set_##name(int value) { WRITE_INT_FIELD(this, offset, value); }
#define ACCESSORS(holder, name, type, offset) \
type* holder::name() { return type::cast(READ_FIELD(this, offset)); } \
void holder::set_##name(type* value, WriteBarrierMode mode) { \
WRITE_FIELD(this, offset, value); \
CONDITIONAL_WRITE_BARRIER(GetHeap(), this, offset, value, mode); \
#define ACCESSORS(holder, name, type, offset) \
type* holder::name() const { return type::cast(READ_FIELD(this, offset)); } \
void holder::set_##name(type* value, WriteBarrierMode mode) { \
WRITE_FIELD(this, offset, value); \
CONDITIONAL_WRITE_BARRIER(GetHeap(), this, offset, value, mode); \
}
// Getter that returns a tagged Smi and setter that writes a tagged Smi.
#define ACCESSORS_TO_SMI(holder, name, offset) \
Smi* holder::name() { return Smi::cast(READ_FIELD(this, offset)); } \
void holder::set_##name(Smi* value, WriteBarrierMode mode) { \
WRITE_FIELD(this, offset, value); \
#define ACCESSORS_TO_SMI(holder, name, offset) \
Smi* holder::name() const { return Smi::cast(READ_FIELD(this, offset)); } \
void holder::set_##name(Smi* value, WriteBarrierMode mode) { \
WRITE_FIELD(this, offset, value); \
}
// Getter that returns a Smi as an int and writes an int as a Smi.
#define SMI_ACCESSORS(holder, name, offset) \
int holder::name() { \
int holder::name() const { \
Object* value = READ_FIELD(this, offset); \
return Smi::cast(value)->value(); \
} \
@ -99,7 +99,7 @@ PropertyDetails PropertyDetails::AsDeleted() const {
}
#define SYNCHRONIZED_SMI_ACCESSORS(holder, name, offset) \
int holder::synchronized_##name() { \
int holder::synchronized_##name() const { \
Object* value = ACQUIRE_READ_FIELD(this, offset); \
return Smi::cast(value)->value(); \
} \
@ -108,7 +108,7 @@ PropertyDetails PropertyDetails::AsDeleted() const {
}
#define NOBARRIER_SMI_ACCESSORS(holder, name, offset) \
int holder::nobarrier_##name() { \
int holder::nobarrier_##name() const { \
Object* value = NOBARRIER_READ_FIELD(this, offset); \
return Smi::cast(value)->value(); \
} \
@ -117,13 +117,13 @@ PropertyDetails PropertyDetails::AsDeleted() const {
}
#define BOOL_GETTER(holder, field, name, offset) \
bool holder::name() { \
bool holder::name() const { \
return BooleanBit::get(field(), offset); \
} \
#define BOOL_ACCESSORS(holder, field, name, offset) \
bool holder::name() { \
bool holder::name() const { \
return BooleanBit::get(field(), offset); \
} \
void holder::set_##name(bool value) { \
@ -1121,16 +1121,19 @@ bool JSProxy::HasElementWithHandler(Handle<JSProxy> proxy, uint32_t index) {
#define FIELD_ADDR(p, offset) \
(reinterpret_cast<byte*>(p) + offset - kHeapObjectTag)
#define FIELD_ADDR_CONST(p, offset) \
(reinterpret_cast<const byte*>(p) + offset - kHeapObjectTag)
#define READ_FIELD(p, offset) \
(*reinterpret_cast<Object**>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<Object* const*>(FIELD_ADDR_CONST(p, offset)))
#define ACQUIRE_READ_FIELD(p, offset) \
reinterpret_cast<Object*>(base::Acquire_Load( \
reinterpret_cast<base::AtomicWord*>(FIELD_ADDR(p, offset))))
reinterpret_cast<const base::AtomicWord*>(FIELD_ADDR_CONST(p, offset))))
#define NOBARRIER_READ_FIELD(p, offset) \
reinterpret_cast<Object*>(base::NoBarrier_Load( \
reinterpret_cast<base::AtomicWord*>(FIELD_ADDR(p, offset))))
reinterpret_cast<const base::AtomicWord*>(FIELD_ADDR_CONST(p, offset))))
#define WRITE_FIELD(p, offset, value) \
(*reinterpret_cast<Object**>(FIELD_ADDR(p, offset)) = value)
@ -1163,17 +1166,17 @@ bool JSProxy::HasElementWithHandler(Handle<JSProxy> proxy, uint32_t index) {
#ifndef V8_TARGET_ARCH_MIPS
#define READ_DOUBLE_FIELD(p, offset) \
(*reinterpret_cast<double*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const double*>(FIELD_ADDR_CONST(p, offset)))
#else // V8_TARGET_ARCH_MIPS
// Prevent gcc from using load-double (mips ldc1) on (possibly)
// non-64-bit aligned HeapNumber::value.
static inline double read_double_field(void* p, int offset) {
static inline double read_double_field(const void* p, int offset) {
union conversion {
double d;
uint32_t u[2];
} c;
c.u[0] = (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)));
c.u[1] = (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset + 4)));
c.u[0] = (*reinterpret_cast<uint32_t*>(FIELD_ADDR_CONST(p, offset)));
c.u[1] = (*reinterpret_cast<uint32_t*>(FIELD_ADDR_CONST(p, offset + 4)));
return c.d;
}
#define READ_DOUBLE_FIELD(p, offset) read_double_field(p, offset)
@ -1201,43 +1204,43 @@ bool JSProxy::HasElementWithHandler(Handle<JSProxy> proxy, uint32_t index) {
#define READ_INT_FIELD(p, offset) \
(*reinterpret_cast<int*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const int*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_INT_FIELD(p, offset, value) \
(*reinterpret_cast<int*>(FIELD_ADDR(p, offset)) = value)
#define READ_INTPTR_FIELD(p, offset) \
(*reinterpret_cast<intptr_t*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const intptr_t*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_INTPTR_FIELD(p, offset, value) \
(*reinterpret_cast<intptr_t*>(FIELD_ADDR(p, offset)) = value)
#define READ_UINT32_FIELD(p, offset) \
(*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const uint32_t*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_UINT32_FIELD(p, offset, value) \
(*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)) = value)
#define READ_INT32_FIELD(p, offset) \
(*reinterpret_cast<int32_t*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const int32_t*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_INT32_FIELD(p, offset, value) \
(*reinterpret_cast<int32_t*>(FIELD_ADDR(p, offset)) = value)
#define READ_INT64_FIELD(p, offset) \
(*reinterpret_cast<int64_t*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const int64_t*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_INT64_FIELD(p, offset, value) \
(*reinterpret_cast<int64_t*>(FIELD_ADDR(p, offset)) = value)
#define READ_SHORT_FIELD(p, offset) \
(*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const uint16_t*>(FIELD_ADDR_CONST(p, offset)))
#define WRITE_SHORT_FIELD(p, offset, value) \
(*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset)) = value)
#define READ_BYTE_FIELD(p, offset) \
(*reinterpret_cast<byte*>(FIELD_ADDR(p, offset)))
(*reinterpret_cast<const byte*>(FIELD_ADDR_CONST(p, offset)))
#define NOBARRIER_READ_BYTE_FIELD(p, offset) \
static_cast<byte>(base::NoBarrier_Load( \
@ -1252,11 +1255,11 @@ bool JSProxy::HasElementWithHandler(Handle<JSProxy> proxy, uint32_t index) {
static_cast<base::Atomic8>(value));
Object** HeapObject::RawField(HeapObject* obj, int byte_offset) {
return &READ_FIELD(obj, byte_offset);
return reinterpret_cast<Object**>(FIELD_ADDR(obj, byte_offset));
}
int Smi::value() {
int Smi::value() const {
return Internals::SmiValue(this);
}
@ -1281,7 +1284,7 @@ bool Smi::IsValid(intptr_t value) {
}
MapWord MapWord::FromMap(Map* map) {
MapWord MapWord::FromMap(const Map* map) {
return MapWord(reinterpret_cast<uintptr_t>(map));
}
@ -1319,9 +1322,9 @@ void HeapObject::VerifySmiField(int offset) {
#endif
Heap* HeapObject::GetHeap() {
Heap* HeapObject::GetHeap() const {
Heap* heap =
MemoryChunk::FromAddress(reinterpret_cast<Address>(this))->heap();
MemoryChunk::FromAddress(reinterpret_cast<const byte*>(this))->heap();
SLOW_ASSERT(heap != NULL);
return heap;
}
@ -1332,7 +1335,7 @@ Isolate* HeapObject::GetIsolate() {
}
Map* HeapObject::map() {
Map* HeapObject::map() const {
#ifdef DEBUG
// Clear mark potentially added by PathTracer.
uintptr_t raw_value =
@ -1380,7 +1383,7 @@ void HeapObject::set_map_no_write_barrier(Map* value) {
}
MapWord HeapObject::map_word() {
MapWord HeapObject::map_word() const {
return MapWord(
reinterpret_cast<uintptr_t>(NOBARRIER_READ_FIELD(this, kMapOffset)));
}
@ -1392,7 +1395,7 @@ void HeapObject::set_map_word(MapWord map_word) {
}
MapWord HeapObject::synchronized_map_word() {
MapWord HeapObject::synchronized_map_word() const {
return MapWord(
reinterpret_cast<uintptr_t>(ACQUIRE_READ_FIELD(this, kMapOffset)));
}
@ -1476,7 +1479,7 @@ bool FixedArray::ContainsOnlySmisOrHoles() {
}
FixedArrayBase* JSObject::elements() {
FixedArrayBase* JSObject::elements() const {
Object* array = READ_FIELD(this, kElementsOffset);
return static_cast<FixedArrayBase*>(array);
}
@ -1817,7 +1820,7 @@ void Oddball::set_kind(byte value) {
}
Object* Cell::value() {
Object* Cell::value() const {
return READ_FIELD(this, kValueOffset);
}
@ -1830,7 +1833,7 @@ void Cell::set_value(Object* val, WriteBarrierMode ignored) {
ACCESSORS(PropertyCell, dependent_code, DependentCode, kDependentCodeOffset)
Object* PropertyCell::type_raw() {
Object* PropertyCell::type_raw() const {
return READ_FIELD(this, kTypeOffset);
}
@ -3645,7 +3648,7 @@ void ExternalUint8ClampedArray::set(int index, uint8_t value) {
}
void* ExternalArray::external_pointer() {
void* ExternalArray::external_pointer() const {
intptr_t ptr = READ_INTPTR_FIELD(this, kExternalPointerOffset);
return reinterpret_cast<void*>(ptr);
}
@ -4885,7 +4888,7 @@ bool Code::IsWeakObjectInIC(Object* object) {
}
Object* Map::prototype() {
Object* Map::prototype() const {
return READ_FIELD(this, kPrototypeOffset);
}
@ -4961,7 +4964,7 @@ bool Map::HasElementsTransition() {
}
bool Map::HasTransitionArray() {
bool Map::HasTransitionArray() const {
Object* object = READ_FIELD(this, kTransitionsOrBackPointerOffset);
return object->IsTransitionArray();
}
@ -5021,7 +5024,7 @@ bool Map::HasPrototypeTransitions() {
}
TransitionArray* Map::transitions() {
TransitionArray* Map::transitions() const {
ASSERT(HasTransitionArray());
Object* object = READ_FIELD(this, kTransitionsOrBackPointerOffset);
return TransitionArray::cast(object);
@ -5286,7 +5289,7 @@ SMI_ACCESSORS(SharedFunctionInfo, profiler_ticks, kProfilerTicksOffset)
#define PSEUDO_SMI_ACCESSORS_LO(holder, name, offset) \
STATIC_ASSERT(holder::offset % kPointerSize == 0); \
int holder::name() { \
int holder::name() const { \
int value = READ_INT_FIELD(this, offset); \
ASSERT(kHeapObjectTag == 1); \
ASSERT((value & kHeapObjectTag) == 0); \
@ -5428,7 +5431,7 @@ void SharedFunctionInfo::set_start_position(int start_position) {
}
Code* SharedFunctionInfo::code() {
Code* SharedFunctionInfo::code() const {
return Code::cast(READ_FIELD(this, kCodeOffset));
}
@ -5454,7 +5457,7 @@ void SharedFunctionInfo::ReplaceCode(Code* value) {
}
ScopeInfo* SharedFunctionInfo::scope_info() {
ScopeInfo* SharedFunctionInfo::scope_info() const {
return reinterpret_cast<ScopeInfo*>(READ_FIELD(this, kScopeInfoOffset));
}
@ -5826,7 +5829,7 @@ ACCESSORS(JSMap, table, Object, kTableOffset)
#define ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(name, type, offset) \
template<class Derived, class TableType> \
type* OrderedHashTableIterator<Derived, TableType>::name() { \
type* OrderedHashTableIterator<Derived, TableType>::name() const { \
return type::cast(READ_FIELD(this, offset)); \
} \
template<class Derived, class TableType> \
@ -6042,7 +6045,7 @@ bool Code::contains(byte* inner_pointer) {
ACCESSORS(JSArray, length, Object, kLengthOffset)
void* JSArrayBuffer::backing_store() {
void* JSArrayBuffer::backing_store() const {
intptr_t ptr = READ_INTPTR_FIELD(this, kBackingStoreOffset);
return reinterpret_cast<void*>(ptr);
}
@ -6972,6 +6975,7 @@ void FlexibleBodyDescriptor<start_offset>::IterateBody(HeapObject* obj,
#undef BOOL_GETTER
#undef BOOL_ACCESSORS
#undef FIELD_ADDR
#undef FIELD_ADDR_CONST
#undef READ_FIELD
#undef NOBARRIER_READ_FIELD
#undef WRITE_FIELD

View File

@ -845,12 +845,12 @@ enum CompareResult {
#define DECL_BOOLEAN_ACCESSORS(name) \
inline bool name(); \
inline bool name() const; \
inline void set_##name(bool value); \
#define DECL_ACCESSORS(name, type) \
inline type* name(); \
inline type* name() const; \
inline void set_##name(type* value, \
WriteBarrierMode mode = UPDATE_WRITE_BARRIER); \
@ -1574,7 +1574,7 @@ class Object {
class Smi: public Object {
public:
// Returns the integer value.
inline int value();
inline int value() const;
// Convert a value to a Smi object.
static inline Smi* FromInt(int value);
@ -1611,7 +1611,7 @@ class MapWord BASE_EMBEDDED {
// Normal state: the map word contains a map pointer.
// Create a map word from a map pointer.
static inline MapWord FromMap(Map* map);
static inline MapWord FromMap(const Map* map);
// View this map word as a map pointer.
inline Map* ToMap();
@ -1655,7 +1655,7 @@ class HeapObject: public Object {
public:
// [map]: Contains a map which contains the object's reflective
// information.
inline Map* map();
inline Map* map() const;
inline void set_map(Map* value);
// The no-write-barrier version. This is OK if the object is white and in
// new space, or if the value is an immortal immutable object, like the maps
@ -1664,7 +1664,7 @@ class HeapObject: public Object {
// Get the map using acquire load.
inline Map* synchronized_map();
inline MapWord synchronized_map_word();
inline MapWord synchronized_map_word() const;
// Set the map using release store
inline void synchronized_set_map(Map* value);
@ -1673,11 +1673,11 @@ class HeapObject: public Object {
// During garbage collection, the map word of a heap object does not
// necessarily contain a map pointer.
inline MapWord map_word();
inline MapWord map_word() const;
inline void set_map_word(MapWord map_word);
// The Heap the object was allocated in. Used also to access Isolate.
inline Heap* GetHeap();
inline Heap* GetHeap() const;
// Convenience method to get current isolate.
inline Isolate* GetIsolate();
@ -2868,11 +2868,11 @@ class JSObject: public JSReceiver {
class FixedArrayBase: public HeapObject {
public:
// [length]: length of the array.
inline int length();
inline int length() const;
inline void set_length(int value);
// Get and set the length using acquire loads and release stores.
inline int synchronized_length();
inline int synchronized_length() const;
inline void synchronized_set_length(int value);
inline static FixedArrayBase* cast(Object* object);
@ -4891,10 +4891,10 @@ class ByteArray: public FixedArrayBase {
class FreeSpace: public HeapObject {
public:
// [size]: size of the free space including the header.
inline int size();
inline int size() const;
inline void set_size(int value);
inline int nobarrier_size();
inline int nobarrier_size() const;
inline void nobarrier_set_size(int value);
inline int Size() { return size(); }
@ -5485,7 +5485,7 @@ class Code: public HeapObject {
#endif // ENABLE_DISASSEMBLER
// [instruction_size]: Size of the native instructions
inline int instruction_size();
inline int instruction_size() const;
inline void set_instruction_size(int value);
// [relocation_info]: Code relocation information
@ -5522,11 +5522,11 @@ class Code: public HeapObject {
// [ic_age]: Inline caching age: the value of the Heap::global_ic_age
// at the moment when this object was created.
inline void set_ic_age(int count);
inline int ic_age();
inline int ic_age() const;
// [prologue_offset]: Offset of the function prologue, used for aging
// FUNCTIONs and OPTIMIZED_FUNCTIONs.
inline int prologue_offset();
inline int prologue_offset() const;
inline void set_prologue_offset(int offset);
// Unchecked accessors to be used during GC.
@ -6287,7 +6287,7 @@ class Map: public HeapObject {
// map with DICTIONARY_ELEMENTS was found in the prototype chain.
bool DictionaryElementsInPrototypeChainOnly();
inline bool HasTransitionArray();
inline bool HasTransitionArray() const;
inline bool HasElementsTransition();
inline Map* elements_transition_map();
static Handle<TransitionArray> SetElementsTransitionMap(
@ -7106,11 +7106,11 @@ class SharedFunctionInfo: public HeapObject {
// [length]: The function length - usually the number of declared parameters.
// Use up to 2^30 parameters.
inline int length();
inline int length() const;
inline void set_length(int value);
// [formal parameter count]: The declared number of parameters.
inline int formal_parameter_count();
inline int formal_parameter_count() const;
inline void set_formal_parameter_count(int value);
// Set the formal parameter count so the function code will be
@ -7118,7 +7118,7 @@ class SharedFunctionInfo: public HeapObject {
inline void DontAdaptArguments();
// [expected_nof_properties]: Expected number of properties for the function.
inline int expected_nof_properties();
inline int expected_nof_properties() const;
inline void set_expected_nof_properties(int value);
// [feedback_vector] - accumulates ast node feedback from full-codegen and
@ -7147,7 +7147,7 @@ class SharedFunctionInfo: public HeapObject {
DECL_ACCESSORS(script, Object)
// [num_literals]: Number of literals used by this function.
inline int num_literals();
inline int num_literals() const;
inline void set_num_literals(int value);
// [start_position_and_type]: Field used to store both the source code
@ -7155,7 +7155,7 @@ class SharedFunctionInfo: public HeapObject {
// and whether or not the function is a toplevel function. The two
// least significants bit indicates whether the function is an
// expression and the rest contains the source code position.
inline int start_position_and_type();
inline int start_position_and_type() const;
inline void set_start_position_and_type(int value);
// [debug info]: Debug information.
@ -7172,7 +7172,7 @@ class SharedFunctionInfo: public HeapObject {
String* DebugName();
// Position of the 'function' token in the script source.
inline int function_token_position();
inline int function_token_position() const;
inline void set_function_token_position(int function_token_position);
// Position of this function in the script source.
@ -7180,7 +7180,7 @@ class SharedFunctionInfo: public HeapObject {
inline void set_start_position(int start_position);
// End position of this function in the script source.
inline int end_position();
inline int end_position() const;
inline void set_end_position(int end_position);
// Is this function a function expression in the source code.
@ -7191,13 +7191,13 @@ class SharedFunctionInfo: public HeapObject {
// Bit field containing various information collected by the compiler to
// drive optimization.
inline int compiler_hints();
inline int compiler_hints() const;
inline void set_compiler_hints(int value);
inline int ast_node_count();
inline int ast_node_count() const;
inline void set_ast_node_count(int count);
inline int profiler_ticks();
inline int profiler_ticks() const;
inline void set_profiler_ticks(int ticks);
// Inline cache age is used to infer whether the function survived a context
@ -7313,11 +7313,11 @@ class SharedFunctionInfo: public HeapObject {
// Stores deopt_count, opt_reenable_tries and ic_age as bit-fields.
inline void set_counters(int value);
inline int counters();
inline int counters() const;
// Stores opt_count and bailout_reason as bit-fields.
inline void set_opt_count_and_bailout_reason(int value);
inline int opt_count_and_bailout_reason();
inline int opt_count_and_bailout_reason() const;
void set_bailout_reason(BailoutReason reason) {
set_opt_count_and_bailout_reason(
@ -7549,7 +7549,7 @@ class JSGeneratorObject: public JSObject {
// A positive offset indicates a suspended generator. The special
// kGeneratorExecuting and kGeneratorClosed values indicate that a generator
// cannot be resumed.
inline int continuation();
inline int continuation() const;
inline void set_continuation(int continuation);
inline bool is_closed();
inline bool is_executing();
@ -7560,7 +7560,7 @@ class JSGeneratorObject: public JSObject {
// [stack_handler_index]: Index of first stack handler in operand_stack, or -1
// if the captured activation had no stack handler.
inline int stack_handler_index();
inline int stack_handler_index() const;
inline void set_stack_handler_index(int stack_handler_index);
// Casting.
@ -8121,11 +8121,11 @@ class JSMessageObject: public JSObject {
DECL_ACCESSORS(stack_frames, Object)
// [start_position]: the start position in the script for the error message.
inline int start_position();
inline int start_position() const;
inline void set_start_position(int value);
// [end_position]: the end position in the script for the error message.
inline int end_position();
inline int end_position() const;
inline void set_end_position(int value);
// Casting.
@ -8779,7 +8779,7 @@ class AllocationMemento: public Struct {
// - all attributes are available as part if the property details
class AliasedArgumentsEntry: public Struct {
public:
inline int aliased_context_slot();
inline int aliased_context_slot() const;
inline void set_aliased_context_slot(int count);
static inline AliasedArgumentsEntry* cast(Object* obj);
@ -9116,12 +9116,12 @@ class String: public Name {
};
// Get and set the length of the string.
inline int length();
inline int length() const;
inline void set_length(int value);
// Get and set the length of the string using acquire loads and release
// stores.
inline int synchronized_length();
inline int synchronized_length() const;
inline void synchronized_set_length(int value);
// Returns whether this string has only ASCII chars, i.e. all of them can
@ -9519,7 +9519,7 @@ class SlicedString: public String {
inline String* parent();
inline void set_parent(String* parent,
WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
inline int offset();
inline int offset() const;
inline void set_offset(int offset);
// Dispatched behavior.
@ -10901,7 +10901,7 @@ class FunctionTemplateInfo: public TemplateInfo {
DECL_ACCESSORS(access_check_info, Object)
DECL_ACCESSORS(flag, Smi)
inline int length();
inline int length() const;
inline void set_length(int value);
// Following properties use flag bits.

View File

@ -283,6 +283,10 @@ class MemoryChunk {
static MemoryChunk* FromAddress(Address a) {
return reinterpret_cast<MemoryChunk*>(OffsetFrom(a) & ~kAlignmentMask);
}
static const MemoryChunk* FromAddress(const byte* a) {
return reinterpret_cast<const MemoryChunk*>(
OffsetFrom(a) & ~kAlignmentMask);
}
// Only works for addresses in pointer spaces, not data or code spaces.
static inline MemoryChunk* FromAnyPointerAddress(Heap* heap, Address addr);
@ -627,7 +631,7 @@ class MemoryChunk {
void InsertAfter(MemoryChunk* other);
void Unlink();
inline Heap* heap() { return heap_; }
inline Heap* heap() const { return heap_; }
static const int kFlagsOffset = kPointerSize;