v8
V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++.
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Public Member Functions | Private Member Functions | Private Attributes | Static Private Attributes | List of all members
v8::internal::OutBuffer< Char > Class Template Reference
Collaboration diagram for v8::internal::OutBuffer< Char >:

Public Member Functions

 OutBuffer (AccountingAllocator *allocator)
 
template<typename SrcChar >
requires (sizeof(Char) >= sizeof(SrcChar))
V8_INLINE void AppendCharacter (SrcChar c)
 
template<typename SrcChar >
requires (sizeof(Char) >= sizeof(SrcChar))
void Append (const SrcChar *chars, size_t length)
 
void EnsureCapacity (size_t size)
 
size_t length () const
 
template<typename Dst >
void CopyTo (Dst *dst)
 

Private Member Functions

V8_NOINLINE V8_PRESERVE_MOST void Extend (size_t min_size)
 
V8_INLINE size_t SegmentFreeChars () const
 
V8_INLINE size_t StackBufferLength () const
 
V8_INLINE size_t CurSegmentLength () const
 
V8_INLINE size_t SegmentCapacity (size_t segment)
 
V8_INLINE size_t CurSegmentCapacity ()
 
V8_INLINE void ReduceCurrentCapacity (size_t size)
 
V8_INLINE bool ZoneUsed () const
 

Private Attributes

AccountingAllocator * allocator_
 
Char stack_buffer_ [kStackBufferSize]
 
size_t stack_buffer_size_
 
Char * cur_
 
Char * segment_end_
 
std::optional< Zone > zone_
 
std::optional< ZoneList< base::Vector< Char > > > segments_
 

Static Private Attributes

static constexpr uint32_t kInitialSegmentSize = 2 * KB
 
static constexpr uint32_t kMaxSegmentSize = 32 * KB
 
static constexpr uint8_t kInitialSegmentSizeHighestBit
 
static constexpr uint8_t kMaxSegmentSizeHighestBit
 
static constexpr uint8_t kNumVariableSegments
 
static constexpr size_t kStackBufferSize = 256
 

Detailed Description

template<typename Char>
class v8::internal::OutBuffer< Char >

Definition at line 1769 of file json-stringifier.cc.

Constructor & Destructor Documentation

◆ OutBuffer()

template<typename Char >
v8::internal::OutBuffer< Char >::OutBuffer ( AccountingAllocator * allocator)
inlineexplicit

Definition at line 1771 of file json-stringifier.cc.

Member Function Documentation

◆ Append()

template<typename Char >
template<typename SrcChar >
requires (sizeof(Char) >= sizeof(SrcChar))
void v8::internal::OutBuffer< Char >::Append ( const SrcChar * chars,
size_t length )
inline

Definition at line 1784 of file json-stringifier.cc.

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◆ AppendCharacter()

template<typename Char >
template<typename SrcChar >
requires (sizeof(Char) >= sizeof(SrcChar))
V8_INLINE void v8::internal::OutBuffer< Char >::AppendCharacter ( SrcChar c)
inline

Definition at line 1777 of file json-stringifier.cc.

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◆ CopyTo()

template<typename Char >
template<typename Dst >
void v8::internal::OutBuffer< Char >::CopyTo ( Dst * dst)
inline

Definition at line 1812 of file json-stringifier.cc.

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◆ CurSegmentCapacity()

template<typename Char >
V8_INLINE size_t v8::internal::OutBuffer< Char >::CurSegmentCapacity ( )
inlineprivate

Definition at line 1875 of file json-stringifier.cc.

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◆ CurSegmentLength()

template<typename Char >
V8_INLINE size_t v8::internal::OutBuffer< Char >::CurSegmentLength ( ) const
inlineprivate

Definition at line 1867 of file json-stringifier.cc.

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◆ EnsureCapacity()

template<typename Char >
void v8::internal::OutBuffer< Char >::EnsureCapacity ( size_t size)
inline

Definition at line 1790 of file json-stringifier.cc.

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◆ Extend()

template<typename Char >
V8_NOINLINE V8_PRESERVE_MOST void v8::internal::OutBuffer< Char >::Extend ( size_t min_size)
inlineprivate

Definition at line 1847 of file json-stringifier.cc.

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◆ length()

template<typename Char >
size_t v8::internal::OutBuffer< Char >::length ( ) const
inline

Definition at line 1798 of file json-stringifier.cc.

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◆ ReduceCurrentCapacity()

template<typename Char >
V8_INLINE void v8::internal::OutBuffer< Char >::ReduceCurrentCapacity ( size_t size)
inlineprivate

Definition at line 1880 of file json-stringifier.cc.

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◆ SegmentCapacity()

template<typename Char >
V8_INLINE size_t v8::internal::OutBuffer< Char >::SegmentCapacity ( size_t segment)
inlineprivate

Definition at line 1871 of file json-stringifier.cc.

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◆ SegmentFreeChars()

template<typename Char >
V8_INLINE size_t v8::internal::OutBuffer< Char >::SegmentFreeChars ( ) const
inlineprivate

Definition at line 1862 of file json-stringifier.cc.

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◆ StackBufferLength()

template<typename Char >
V8_INLINE size_t v8::internal::OutBuffer< Char >::StackBufferLength ( ) const
inlineprivate

Definition at line 1863 of file json-stringifier.cc.

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◆ ZoneUsed()

template<typename Char >
V8_INLINE bool v8::internal::OutBuffer< Char >::ZoneUsed ( ) const
inlineprivate

Definition at line 1886 of file json-stringifier.cc.

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Member Data Documentation

◆ allocator_

template<typename Char >
AccountingAllocator* v8::internal::OutBuffer< Char >::allocator_
private

Definition at line 1888 of file json-stringifier.cc.

◆ cur_

template<typename Char >
Char* v8::internal::OutBuffer< Char >::cur_
private

Definition at line 1891 of file json-stringifier.cc.

◆ kInitialSegmentSize

template<typename Char >
uint32_t v8::internal::OutBuffer< Char >::kInitialSegmentSize = 2 * KB
staticconstexprprivate

Definition at line 1835 of file json-stringifier.cc.

◆ kInitialSegmentSizeHighestBit

template<typename Char >
uint8_t v8::internal::OutBuffer< Char >::kInitialSegmentSizeHighestBit
staticconstexprprivate
Initial value:
=
kBitsPerInt - base::bits::CountLeadingZeros32(kInitialSegmentSize) - 1
v8::internal::OutBuffer::kInitialSegmentSize
static constexpr uint32_t kInitialSegmentSize
Definition json-stringifier.cc:1835
v8::base::bits::CountLeadingZeros32
constexpr unsigned CountLeadingZeros32(uint32_t value)
Definition bits.h:122
v8::internal::kBitsPerInt
constexpr int kBitsPerInt
Definition globals.h:687

Definition at line 1839 of file json-stringifier.cc.

◆ kMaxSegmentSize

template<typename Char >
uint32_t v8::internal::OutBuffer< Char >::kMaxSegmentSize = 32 * KB
staticconstexprprivate

Definition at line 1836 of file json-stringifier.cc.

◆ kMaxSegmentSizeHighestBit

template<typename Char >
uint8_t v8::internal::OutBuffer< Char >::kMaxSegmentSizeHighestBit
staticconstexprprivate
Initial value:
=
kBitsPerInt - base::bits::CountLeadingZeros32(kMaxSegmentSize) - 1
v8::internal::OutBuffer::kMaxSegmentSize
static constexpr uint32_t kMaxSegmentSize
Definition json-stringifier.cc:1836

Definition at line 1841 of file json-stringifier.cc.

◆ kNumVariableSegments

template<typename Char >
uint8_t v8::internal::OutBuffer< Char >::kNumVariableSegments
staticconstexprprivate
Initial value:
=
kMaxSegmentSizeHighestBit - kInitialSegmentSizeHighestBit
v8::internal::OutBuffer::kInitialSegmentSizeHighestBit
static constexpr uint8_t kInitialSegmentSizeHighestBit
Definition json-stringifier.cc:1839
v8::internal::OutBuffer::kMaxSegmentSizeHighestBit
static constexpr uint8_t kMaxSegmentSizeHighestBit
Definition json-stringifier.cc:1841

Definition at line 1843 of file json-stringifier.cc.

◆ kStackBufferSize

template<typename Char >
size_t v8::internal::OutBuffer< Char >::kStackBufferSize = 256
staticconstexprprivate

Definition at line 1845 of file json-stringifier.cc.

◆ segment_end_

template<typename Char >
Char* v8::internal::OutBuffer< Char >::segment_end_
private

Definition at line 1892 of file json-stringifier.cc.

◆ segments_

template<typename Char >
std::optional<ZoneList<base::Vector<Char> > > v8::internal::OutBuffer< Char >::segments_
private

Definition at line 1894 of file json-stringifier.cc.

◆ stack_buffer_

template<typename Char >
Char v8::internal::OutBuffer< Char >::stack_buffer_[kStackBufferSize]
private

Definition at line 1889 of file json-stringifier.cc.

◆ stack_buffer_size_

template<typename Char >
size_t v8::internal::OutBuffer< Char >::stack_buffer_size_
private

Definition at line 1890 of file json-stringifier.cc.

◆ zone_

template<typename Char >
std::optional<Zone> v8::internal::OutBuffer< Char >::zone_
private

Definition at line 1893 of file json-stringifier.cc.

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