v8::internal::HSourcePosition Class Reference

#include <hydrogen-instructions.h>

Collaboration diagram for v8::internal::HSourcePosition:

Public Member Functions
	HSourcePosition (const HSourcePosition &other)
bool	IsUnknown () const
int	position () const
void	set_position (int position)
int	inlining_id () const
void	set_inlining_id (int inlining_id)
int	raw () const

Static Public Member Functions
static HSourcePosition	Unknown ()

Private Types
typedef BitField< int, 0, 9 >	InliningIdField
typedef BitField< int, 9, 23 >	PositionField

Private Member Functions
	HSourcePosition (int value)

Private Attributes
int	value_

Friends
class	HPositionInfo
class	LCodeGenBase

Detailed Description

Definition at line 424 of file hydrogen-instructions.h.

Member Typedef Documentation

InliningIdField

typedef BitField<int, 0, 9> v8::internal::HSourcePosition::InliningIdField

private

Definition at line 453 of file hydrogen-instructions.h.

PositionField

typedef BitField<int, 9, 23> v8::internal::HSourcePosition::PositionField

private

Definition at line 456 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

HSourcePosition() [1/2]

v8::internal::HSourcePosition::HSourcePosition ( const HSourcePosition &  other )

inline

Definition at line 426 of file hydrogen-instructions.h.

: value_(other.value_) { }

Referenced by Unknown().

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HSourcePosition() [2/2]

v8::internal::HSourcePosition::HSourcePosition ( int  value )

inlineexplicitprivate

Definition at line 458 of file hydrogen-instructions.h.

: value_(value) { }

Member Function Documentation

inlining_id()

int v8::internal::HSourcePosition::inlining_id ( ) const

inline

Definition at line 443 of file hydrogen-instructions.h.

{ return InliningIdField::decode(value_); }

References v8::internal::BitFieldBase< T, shift, size, uint32_t >::decode(), and value_.

Referenced by v8::internal::operator<<(), and set_inlining_id().

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IsUnknown()

bool v8::internal::HSourcePosition::IsUnknown ( ) const

inline

Definition at line 432 of file hydrogen-instructions.h.

{ return value_ == RelocInfo::kNoPosition; }

References v8::internal::RelocInfo::kNoPosition, and value_.

Referenced by v8::internal::HInstruction::has_position(), v8::internal::HRepresentationChangesPhase::InsertRepresentationChangeForUse(), v8::internal::HInstruction::operand_position(), v8::internal::operator<<(), and v8::internal::HInstruction::set_position().

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position()

int v8::internal::HSourcePosition::position ( ) const

inline

Definition at line 434 of file hydrogen-instructions.h.

{ return PositionField::decode(value_); }

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

Referenced by v8::internal::operator<<(), and set_position().

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raw()

int v8::internal::HSourcePosition::raw ( ) const

inline

Definition at line 450 of file hydrogen-instructions.h.

{ return value_; }

References value_.

Referenced by v8::internal::LCodeGen::DeoptimizeBranch(), v8::internal::LCodeGen::DeoptimizeIf(), v8::internal::operator<<(), and v8::internal::HPositionInfo::set_position().

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set_inlining_id()

void v8::internal::HSourcePosition::set_inlining_id ( int  inlining_id )

inline

Definition at line 444 of file hydrogen-instructions.h.

                                        {
    if (FLAG_hydrogen_track_positions) {
      value_ = static_cast<int>(InliningIdField::update(value_, inlining_id));
    }
  }

References inlining_id(), v8::internal::BitFieldBase< T, shift, size, uint32_t >::update(), and value_.

Referenced by v8::internal::HGraphBuilder::EnterInlinedSource().

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set_position()

void v8::internal::HSourcePosition::set_position ( int  position )

inline

Definition at line 435 of file hydrogen-instructions.h.

                                  {
    if (FLAG_hydrogen_track_positions) {
      value_ = static_cast<int>(PositionField::update(value_, position));
    } else {
      value_ = position;
    }
  }

References position(), v8::internal::BitFieldBase< T, shift, size, U >::update(), and value_.

Referenced by v8::internal::HGraphBuilder::ScriptPositionToSourcePosition(), and v8::internal::HGraphBuilder::SetSourcePosition().

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Unknown()

static HSourcePosition v8::internal::HSourcePosition::Unknown ( )

inlinestatic

Definition at line 428 of file hydrogen-instructions.h.

                                   {
    return HSourcePosition(RelocInfo::kNoPosition);
  }

References HSourcePosition(), and v8::internal::RelocInfo::kNoPosition.

Referenced by v8::internal::HPositionInfo::ensure_storage_for_operand_positions(), and v8::internal::HValue::position().

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Friends And Related Function Documentation

HPositionInfo

friend class HPositionInfo

friend

Definition at line 460 of file hydrogen-instructions.h.

LCodeGenBase

friend class LCodeGenBase

friend

Definition at line 461 of file hydrogen-instructions.h.

Member Data Documentation

value_

int v8::internal::HSourcePosition::value_

private

Definition at line 466 of file hydrogen-instructions.h.

Referenced by inlining_id(), IsUnknown(), position(), raw(), set_inlining_id(), and set_position().

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

• /mnt/V8SourceCode/src/hydrogen-instructions.h