v8::internal::ArrayConstructorStubBase Class Reference

#include <code-stubs.h>

Inheritance diagram for v8::internal::ArrayConstructorStubBase:

Collaboration diagram for v8::internal::ArrayConstructorStubBase:

Classes
class	AllocationSiteOverrideModeBits
class	ElementsKindBits

Public Member Functions
	ArrayConstructorStubBase (Isolate *isolate, ElementsKind kind, AllocationSiteOverrideMode override_mode)
ElementsKind	elements_kind () const
AllocationSiteOverrideMode	override_mode () const
Public Member Functions inherited from v8::internal::HydrogenCodeStub
virtual Code::Kind	GetCodeKind () const
virtual Handle< Code >	GenerateCode ()=0
bool	IsUninitialized () const
Handle< Code >	GenerateLightweightMissCode (ExternalReference miss)
template<class StateType >
void	TraceTransition (StateType from, StateType to)

Static Public Member Functions
static void	GenerateStubsAheadOfTime (Isolate *isolate)
Static Public Member Functions inherited from v8::internal::HydrogenCodeStub
template<class SubClass >
static Handle< Code >	GetUninitialized (Isolate *isolate)

Static Public Attributes
static const int	kConstructor = 0
static const int	kAllocationSite = 1

Protected Member Functions
OStream &	BasePrintName (OStream &os, const char *name) const
Protected Member Functions inherited from v8::internal::HydrogenCodeStub
	HydrogenCodeStub (Isolate *isolate, InitializationState state=INITIALIZED)
void	set_sub_minor_key (uint32_t key)
uint32_t	sub_minor_key () const

Private Member Functions
	STATIC_ASSERT (LAST_ALLOCATION_SITE_OVERRIDE_MODE==1)
	DEFINE_CODE_STUB_BASE (ArrayConstructorStubBase, HydrogenCodeStub)

Additional Inherited Members
Public Types inherited from v8::internal::HydrogenCodeStub
enum	InitializationState { UNINITIALIZED , INITIALIZED }
Static Protected Attributes inherited from v8::internal::HydrogenCodeStub
static const int	kSubMinorKeyBits = kStubMinorKeyBits - 1

Detailed Description

Definition at line 2015 of file code-stubs.h.

Constructor & Destructor Documentation

ArrayConstructorStubBase()

v8::internal::ArrayConstructorStubBase::ArrayConstructorStubBase ( Isolate *  isolate, ElementsKind  kind, AllocationSiteOverrideMode  override_mode  )

inline

Definition at line 2017 of file code-stubs.h.

      : HydrogenCodeStub(isolate) {
    // It only makes sense to override local allocation site behavior
    // if there is a difference between the global allocation site policy
    // for an ElementsKind and the desired usage of the stub.
    DCHECK(override_mode != DISABLE_ALLOCATION_SITES ||
           AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE);
    set_sub_minor_key(ElementsKindBits::encode(kind) |
                      AllocationSiteOverrideModeBits::encode(override_mode));
  }

References DCHECK, v8::internal::DISABLE_ALLOCATION_SITES, v8::internal::BitFieldBase< T, shift, size, U >::encode(), v8::internal::AllocationSite::GetMode(), override_mode(), v8::internal::HydrogenCodeStub::set_sub_minor_key(), and v8::internal::TRACK_ALLOCATION_SITE.

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Member Function Documentation

BasePrintName()

OStream & v8::internal::ArrayConstructorStubBase::BasePrintName ( OStream &  os, const char *  name  ) const

protected

Definition at line 826 of file code-stubs.cc.

                                                                         {
  os << name << "_" << ElementsKindToString(elements_kind());
  if (override_mode() == DISABLE_ALLOCATION_SITES) {
    os << "_DISABLE_ALLOCATION_SITES";
  }
  return os;
}

References v8::internal::DISABLE_ALLOCATION_SITES, elements_kind(), v8::internal::ElementsKindToString(), name, and override_mode().

Referenced by v8::internal::ArraySingleArgumentConstructorStub::PrintName(), v8::internal::ArrayNArgumentsConstructorStub::PrintName(), and v8::internal::ArrayNoArgumentConstructorStub::PrintName().

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DEFINE_CODE_STUB_BASE()

v8::internal::ArrayConstructorStubBase::DEFINE_CODE_STUB_BASE ( ArrayConstructorStubBase  , HydrogenCodeStub    )

private

elements_kind()

ElementsKind v8::internal::ArrayConstructorStubBase::elements_kind ( ) const

inline

Definition at line 2030 of file code-stubs.h.

                                     {
    return ElementsKindBits::decode(sub_minor_key());
  }

References v8::internal::BitFieldBase< T, shift, size, U >::decode(), and v8::internal::HydrogenCodeStub::sub_minor_key().

Referenced by BasePrintName().

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GenerateStubsAheadOfTime()

static void v8::internal::ArrayConstructorStubBase::GenerateStubsAheadOfTime ( Isolate *  isolate )

static

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

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override_mode()

AllocationSiteOverrideMode v8::internal::ArrayConstructorStubBase::override_mode ( ) const

inline

Definition at line 2034 of file code-stubs.h.

                                                   {
    return AllocationSiteOverrideModeBits::decode(sub_minor_key());
  }

References v8::internal::BitFieldBase< T, shift, size, U >::decode(), and v8::internal::HydrogenCodeStub::sub_minor_key().

Referenced by ArrayConstructorStubBase(), and BasePrintName().

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STATIC_ASSERT()

v8::internal::ArrayConstructorStubBase::STATIC_ASSERT ( LAST_ALLOCATION_SITE_OVERRIDE_MODE  = =1 )

private

Member Data Documentation

kAllocationSite

const int v8::internal::ArrayConstructorStubBase::kAllocationSite = 1

static

Definition at line 2042 of file code-stubs.h.

Referenced by v8::internal::CodeStubGraphBuilderBase::BuildArrayConstructor().

kConstructor

const int v8::internal::ArrayConstructorStubBase::kConstructor = 0

static

Definition at line 2041 of file code-stubs.h.

Referenced by v8::internal::CodeStubGraphBuilderBase::BuildArrayConstructor().

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

• /mnt/V8SourceCode/src/code-stubs.h
• /mnt/V8SourceCode/src/code-stubs.cc