v8::String::ExternalStringResourceBase Class Reference

Inheritance diagram for v8::String::ExternalStringResourceBase:

Public Member Functions
virtual bool	IsCacheable () const

Protected Member Functions
virtual void	Dispose ()
virtual void	Lock () const
virtual void	Unlock () const
	ExternalStringResourceBase (const ExternalStringResourceBase &)=delete
void	operator= (const ExternalStringResourceBase &)=delete

Friends
class	internal::Heap
class	v8::String
class	internal::ScopedExternalStringLock

Member Function Documentation

Dispose()

virtual void v8::String::ExternalStringResourceBase::Dispose ( )

inlineprotectedvirtual

Internally V8 will call this Dispose method when the external string resource is no longer needed. The default implementation will use the delete operator. This method can be overridden in subclasses to control how allocated external string resources are disposed.

IsCacheable()

virtual bool v8::String::ExternalStringResourceBase::IsCacheable ( ) const

inlinevirtual

If a string is cacheable, the value returned by ExternalStringResource::data() may be cached, otherwise it is not expected to be stable beyond the current top-level task.

Lock()

virtual void v8::String::ExternalStringResourceBase::Lock ( ) const

inlineprotectedvirtual

For a non-cacheable string, the value returned by |ExternalStringResource::data()| has to be stable between |Lock()| and |Unlock()|, that is the string must behave as is |IsCacheable()| returned true.

These two functions must be thread-safe, and can be called from anywhere. They also must handle lock depth, in the sense that each can be called several times, from different threads, and unlocking should only happen when the balance of Lock() and Unlock() calls is 0.

Unlock()

virtual void v8::String::ExternalStringResourceBase::Unlock ( ) const

inlineprotectedvirtual

Unlocks the string.

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

• v8/include/v8.h