v8::internal::OStringStream Class Reference

#include <ostreams.h>

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Public Member Functions
	OStringStream ()
	~OStringStream ()
size_t	size () const
size_t	capacity () const
const char *	data () const
const char *	c_str () const
virtual OStringStream &	write (const char *s, size_t n) OVERRIDE
virtual OStringStream &	flush () OVERRIDE
Public Member Functions inherited from v8::internal::OStream
	OStream ()
virtual	~OStream ()
OStream &	operator<< (OStream &(*manipulator)(OStream &os))
OStream &	operator<< (short x)
OStream &	operator<< (unsigned short x)
OStream &	operator<< (int x)
OStream &	operator<< (unsigned int x)
OStream &	operator<< (long x)
OStream &	operator<< (unsigned long x)
OStream &	operator<< (long long x)
OStream &	operator<< (unsigned long long x)
OStream &	operator<< (double x)
OStream &	operator<< (void *x)
OStream &	operator<< (char x)
OStream &	operator<< (signed char x)
OStream &	operator<< (unsigned char x)
OStream &	operator<< (const char *s)
OStream &	put (char c)
OStream &	dec ()
OStream &	hex ()

Private Member Functions
void	reserve (size_t requested_capacity)
	DISALLOW_COPY_AND_ASSIGN (OStringStream)

Static Private Member Functions
static char *	allocate (size_t n)
static void	deallocate (char *s, size_t n)

Private Attributes
size_t	size_
size_t	capacity_
char *	data_

Detailed Description

Definition at line 72 of file ostreams.h.

Constructor & Destructor Documentation

OStringStream()

v8::internal::OStringStream::OStringStream ( )

inline

Definition at line 74 of file ostreams.h.

                  : size_(0), capacity_(32), data_(allocate(capacity_)) {
    data_[0] = '\0';
  }

References data_.

~OStringStream()

v8::internal::OStringStream::~OStringStream ( )

inline

Definition at line 77 of file ostreams.h.

{ deallocate(data_, capacity_); }

References capacity_, data_, and deallocate().

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Member Function Documentation

allocate()

static char* v8::internal::OStringStream::allocate ( size_t  n )

inlinestaticprivate

Definition at line 91 of file ostreams.h.

{ return new char[n]; }

Referenced by reserve().

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c_str()

const char* v8::internal::OStringStream::c_str ( ) const

inline

Definition at line 84 of file ostreams.h.

{ return data(); }

References data().

Referenced by v8::internal::FlagList::argv(), v8::internal::InsertIntoString(), v8::internal::operator<<(), v8::internal::compiler::operator<<(), v8::internal::compiler::anonymous_namespace{instruction-selector-arm-unittest.cc}::operator<<(), v8::internal::compiler::anonymous_namespace{instruction-selector-arm64-unittest.cc}::operator<<(), v8::internal::compiler::anonymous_namespace{instruction-selector-ia32-unittest.cc}::operator<<(), v8::internal::compiler::anonymous_namespace{instruction-selector-x64-unittest.cc}::operator<<(), v8::internal::JavaScriptFrame::Print(), v8::internal::Logger::SetUp(), v8::internal::Object::ShortPrint(), and v8::internal::compiler::RepresentationChanger::TypeError().

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capacity()

size_t v8::internal::OStringStream::capacity ( ) const

inline

Definition at line 80 of file ostreams.h.

{ return capacity_; }

References capacity_.

data()

const char* v8::internal::OStringStream::data ( ) const

inline

Definition at line 81 of file ostreams.h.

{ return data_; }

References data_.

Referenced by c_str().

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deallocate()

static void v8::internal::OStringStream::deallocate ( char *  s, size_t  n  )

inlinestaticprivate

Definition at line 92 of file ostreams.h.

{ delete[] s; }

Referenced by reserve(), and ~OStringStream().

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DISALLOW_COPY_AND_ASSIGN()

v8::internal::OStringStream::DISALLOW_COPY_AND_ASSIGN ( OStringStream  )

private

flush()

OStringStream & v8::internal::OStringStream::flush ( )

virtual

Implements v8::internal::OStream.

Definition at line 138 of file ostreams.cc.

                                    {
  return *this;
}

reserve()

void v8::internal::OStringStream::reserve ( size_t  requested_capacity )

private

Definition at line 143 of file ostreams.cc.

                                                     {
  if (requested_capacity <= capacity_) return;
  size_t new_capacity =  // Handle possible overflow by not doubling.
      std::max(std::max(capacity_ * 2, capacity_), requested_capacity);
  char * new_data = allocate(new_capacity);
  memcpy(new_data, data_, size_);
  deallocate(data_, capacity_);
  capacity_ = new_capacity;
  data_ = new_data;
}

References allocate(), capacity_, data_, deallocate(), and size_.

Referenced by write().

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size()

size_t v8::internal::OStringStream::size ( ) const

inline

Definition at line 79 of file ostreams.h.

{ return size_; }

References size_.

Referenced by v8::internal::InsertIntoString().

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write()

OStringStream & v8::internal::OStringStream::write ( const char *  s, size_t  n  )

virtual

Implements v8::internal::OStream.

Definition at line 127 of file ostreams.cc.

                                                           {
  size_t new_size = size_ + n;
  if (new_size < size_) return *this;  // Overflow => no-op.
  reserve(new_size + 1);
  memcpy(data_ + size_, s, n);
  size_ = new_size;
  data_[size_] = '\0';
  return *this;
}

References data_, reserve(), and size_.

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Member Data Documentation

capacity_

size_t v8::internal::OStringStream::capacity_

private

Definition at line 97 of file ostreams.h.

Referenced by capacity(), reserve(), and ~OStringStream().

data_

char* v8::internal::OStringStream::data_

private

Definition at line 98 of file ostreams.h.

Referenced by data(), OStringStream(), reserve(), write(), and ~OStringStream().

size_

size_t v8::internal::OStringStream::size_

private

Definition at line 96 of file ostreams.h.

Referenced by reserve(), size(), and write().

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

• /mnt/V8SourceCode/src/ostreams.h
• /mnt/V8SourceCode/src/ostreams.cc