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v8::internal::SetOncePointer< T > Class Template Reference

#include <utils.h>

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Public Member Functions

 SetOncePointer ()
 
bool is_set () const
 
T * get () const
 
void set (T *value)
 

Private Attributes

T * pointer_
 

Detailed Description

template<typename T>
class v8::internal::SetOncePointer< T >

Definition at line 406 of file utils.h.

Constructor & Destructor Documentation

◆ SetOncePointer()

template<typename T >
v8::internal::SetOncePointer< T >::SetOncePointer ( )
inline

Definition at line 408 of file utils.h.

408 : pointer_(NULL) { }
NULL
enable harmony numeric enable harmony object literal extensions Optimize object Array DOM strings and string trace pretenuring decisions of HAllocate instructions Enables optimizations which favor memory size over execution speed maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining trace the tracking of allocation sites deoptimize every n garbage collections perform array bounds checks elimination analyze liveness of environment slots and zap dead values flushes the cache of optimized code for closures on every GC allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes enable context specialization in TurboFan execution budget before interrupt is triggered max percentage of megamorphic generic ICs to allow optimization enable use of SAHF instruction if enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable use of MLS instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long enable alignment of csp to bytes on platforms which prefer the register to always be NULL
Definition: flag-definitions.h:407

Member Function Documentation

◆ get()

template<typename T >
T* v8::internal::SetOncePointer< T >::get ( ) const
inline

Definition at line 412 of file utils.h.

412  {
413  DCHECK(pointer_ != NULL);
414  return pointer_;
415  }
DCHECK
#define DCHECK(condition)
Definition: logging.h:205

References DCHECK, NULL, and v8::internal::SetOncePointer< T >::pointer_.

Referenced by v8::internal::compiler::JSGraph::CEntryStubConstant(), v8::internal::compiler::StructuredGraphBuilder::dead_control(), v8::internal::compiler::JSGraph::FalseConstant(), v8::internal::compiler::AstGraphBuilder::GetFunctionClosure(), v8::internal::compiler::AstGraphBuilder::GetFunctionContext(), v8::internal::compiler::JSGraph::NaNConstant(), v8::internal::compiler::JSGraph::NullConstant(), v8::internal::compiler::JSGraph::OneConstant(), v8::internal::LInstruction::pointer_map(), v8::internal::compiler::JSGenericLowering::ReplaceWithRuntimeCall(), v8::internal::compiler::JSGraph::TheHoleConstant(), v8::internal::compiler::JSGraph::TrueConstant(), v8::internal::compiler::JSGraph::UndefinedConstant(), and v8::internal::compiler::JSGraph::ZeroConstant().

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◆ is_set()

template<typename T >
bool v8::internal::SetOncePointer< T >::is_set ( ) const
inline

Definition at line 410 of file utils.h.

410 { return pointer_ != NULL; }

References NULL, and v8::internal::SetOncePointer< T >::pointer_.

Referenced by v8::internal::compiler::JSGraph::CEntryStubConstant(), v8::internal::compiler::StructuredGraphBuilder::dead_control(), v8::internal::compiler::JSGraph::FalseConstant(), v8::internal::compiler::AstGraphBuilder::GetFunctionClosure(), v8::internal::compiler::AstGraphBuilder::GetFunctionContext(), v8::internal::LInstruction::HasPointerMap(), v8::internal::compiler::JSGraph::NaNConstant(), v8::internal::compiler::JSGraph::NullConstant(), v8::internal::compiler::JSGraph::OneConstant(), v8::internal::compiler::JSGenericLowering::ReplaceWithRuntimeCall(), v8::internal::compiler::JSGraph::TheHoleConstant(), v8::internal::compiler::JSGraph::TrueConstant(), v8::internal::compiler::JSGraph::UndefinedConstant(), and v8::internal::compiler::JSGraph::ZeroConstant().

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◆ set()

template<typename T >
void v8::internal::SetOncePointer< T >::set ( T *  value)
inline

Definition at line 417 of file utils.h.

417  {
418  DCHECK(pointer_ == NULL && value != NULL);
419  pointer_ = value;
420  }

References DCHECK, NULL, and v8::internal::SetOncePointer< T >::pointer_.

Referenced by v8::internal::compiler::JSGraph::CEntryStubConstant(), v8::internal::compiler::StructuredGraphBuilder::dead_control(), v8::internal::compiler::JSGraph::FalseConstant(), v8::internal::compiler::AstGraphBuilder::GetFunctionClosure(), v8::internal::compiler::AstGraphBuilder::GetFunctionContext(), v8::internal::compiler::JSGraph::NaNConstant(), v8::internal::compiler::JSGraph::NullConstant(), v8::internal::compiler::JSGraph::OneConstant(), v8::internal::compiler::JSGenericLowering::ReplaceWithRuntimeCall(), v8::internal::LInstruction::set_pointer_map(), v8::internal::compiler::JSGraph::TheHoleConstant(), v8::internal::compiler::JSGraph::TrueConstant(), v8::internal::compiler::JSGraph::UndefinedConstant(), and v8::internal::compiler::JSGraph::ZeroConstant().

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Member Data Documentation

◆ pointer_

template<typename T >
T* v8::internal::SetOncePointer< T >::pointer_
private

Definition at line 423 of file utils.h.

Referenced by v8::internal::SetOncePointer< T >::get(), v8::internal::SetOncePointer< T >::is_set(), and v8::internal::SetOncePointer< T >::set().

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