v8::internal::FrameInspector Class Reference

Collaboration diagram for v8::internal::FrameInspector:

Public Member Functions
	FrameInspector (JavaScriptFrame *frame, int inlined_jsframe_index, Isolate *isolate)
	~FrameInspector ()
int	GetParametersCount ()
int	expression_count ()
Object *	GetFunction ()
Object *	GetParameter (int index)
Object *	GetExpression (int index)
int	GetSourcePosition ()
bool	IsConstructor ()
Object *	GetContext ()
void	SetArgumentsFrame (JavaScriptFrame *frame)

Private Member Functions
	DISALLOW_COPY_AND_ASSIGN (FrameInspector)

Private Attributes
JavaScriptFrame *	frame_
DeoptimizedFrameInfo *	deoptimized_frame_
Isolate *	isolate_
bool	is_optimized_
bool	is_bottommost_
bool	has_adapted_arguments_

Detailed Description

Definition at line 5705 of file runtime.cc.

Constructor & Destructor Documentation

FrameInspector()

v8::internal::FrameInspector::FrameInspector ( JavaScriptFrame *  frame, int  inlined_jsframe_index, Isolate *  isolate  )

inline

Definition at line 5707 of file runtime.cc.

      : frame_(frame), deoptimized_frame_(NULL), isolate_(isolate) {
    // Calculate the deoptimized frame.
    if (frame->is_optimized()) {
      deoptimized_frame_ = Deoptimizer::DebuggerInspectableFrame(
          frame, inlined_jsframe_index, isolate);
    }
    has_adapted_arguments_ = frame_->has_adapted_arguments();
    is_bottommost_ = inlined_jsframe_index == 0;
    is_optimized_ = frame_->is_optimized();
  }

References v8::internal::Deoptimizer::DebuggerInspectableFrame(), deoptimized_frame_, frame_, v8::internal::JavaScriptFrame::has_adapted_arguments(), has_adapted_arguments_, is_bottommost_, and is_optimized_.

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~FrameInspector()

v8::internal::FrameInspector::~FrameInspector ( )

inline

Definition at line 5720 of file runtime.cc.

                    {
    // Get rid of the calculated deoptimized frame if any.
    if (deoptimized_frame_ != NULL) {
      Deoptimizer::DeleteDebuggerInspectableFrame(deoptimized_frame_, isolate_);
    }
  }

References v8::internal::Deoptimizer::DeleteDebuggerInspectableFrame(), deoptimized_frame_, isolate_, and NULL.

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Member Function Documentation

DISALLOW_COPY_AND_ASSIGN()

v8::internal::FrameInspector::DISALLOW_COPY_AND_ASSIGN ( FrameInspector  )

private

expression_count()

int v8::internal::FrameInspector::expression_count ( )

inline

Definition at line 5731 of file runtime.cc.

{ return deoptimized_frame_->expression_count(); }

References deoptimized_frame_, and v8::internal::DeoptimizedFrameInfo::expression_count().

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GetContext()

Object* v8::internal::FrameInspector::GetContext ( )

inline

Definition at line 5753 of file runtime.cc.

                       {
    return is_optimized_ ? deoptimized_frame_->GetContext() : frame_->context();
  }

References v8::internal::StandardFrame::context(), deoptimized_frame_, frame_, v8::internal::DeoptimizedFrameInfo::GetContext(), and is_optimized_.

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

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GetExpression()

Object* v8::internal::FrameInspector::GetExpression ( int  index )

inline

Definition at line 5740 of file runtime.cc.

                                   {
    return is_optimized_ ? deoptimized_frame_->GetExpression(index)
                         : frame_->GetExpression(index);
  }

References deoptimized_frame_, frame_, v8::internal::DeoptimizedFrameInfo::GetExpression(), v8::internal::StandardFrame::GetExpression(), and is_optimized_.

Referenced by v8::internal::MaterializeStackLocalsWithFrameInspector(), and v8::internal::RUNTIME_FUNCTION().

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GetFunction()

Object* v8::internal::FrameInspector::GetFunction ( )

inline

Definition at line 5732 of file runtime.cc.

                        {
    return is_optimized_ ? deoptimized_frame_->GetFunction()
                         : frame_->function();
  }

References deoptimized_frame_, frame_, v8::internal::JavaScriptFrame::function(), v8::internal::DeoptimizedFrameInfo::GetFunction(), and is_optimized_.

Referenced by v8::internal::MaterializeLocalScope(), and v8::internal::RUNTIME_FUNCTION().

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GetParameter()

Object* v8::internal::FrameInspector::GetParameter ( int  index )

inline

Definition at line 5736 of file runtime.cc.

                                  {
    return is_optimized_ ? deoptimized_frame_->GetParameter(index)
                         : frame_->GetParameter(index);
  }

References deoptimized_frame_, frame_, v8::internal::DeoptimizedFrameInfo::GetParameter(), v8::internal::JavaScriptFrame::GetParameter(), and is_optimized_.

Referenced by v8::internal::MaterializeStackLocalsWithFrameInspector(), and v8::internal::RUNTIME_FUNCTION().

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GetParametersCount()

int v8::internal::FrameInspector::GetParametersCount ( )

inline

Definition at line 5727 of file runtime.cc.

                           {
    return is_optimized_ ? deoptimized_frame_->parameters_count()
                         : frame_->ComputeParametersCount();
  }

References v8::internal::JavaScriptFrame::ComputeParametersCount(), deoptimized_frame_, frame_, is_optimized_, and v8::internal::DeoptimizedFrameInfo::parameters_count().

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

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GetSourcePosition()

int v8::internal::FrameInspector::GetSourcePosition ( )

inline

Definition at line 5744 of file runtime.cc.

                          {
    return is_optimized_ ? deoptimized_frame_->GetSourcePosition()
                         : frame_->LookupCode()->SourcePosition(frame_->pc());
  }

References deoptimized_frame_, frame_, v8::internal::DeoptimizedFrameInfo::GetSourcePosition(), and is_optimized_.

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

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IsConstructor()

bool v8::internal::FrameInspector::IsConstructor ( )

inline

Definition at line 5748 of file runtime.cc.

                       {
    return is_optimized_ && !is_bottommost_
               ? deoptimized_frame_->HasConstructStub()
               : frame_->IsConstructor();
  }

References deoptimized_frame_, frame_, v8::internal::DeoptimizedFrameInfo::HasConstructStub(), is_bottommost_, is_optimized_, and v8::internal::JavaScriptFrame::IsConstructor().

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

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SetArgumentsFrame()

void v8::internal::FrameInspector::SetArgumentsFrame ( JavaScriptFrame *  frame )

inline

Definition at line 5759 of file runtime.cc.

                                                 {
    DCHECK(has_adapted_arguments_);
    frame_ = frame;
    is_optimized_ = frame_->is_optimized();
    DCHECK(!is_optimized_);
  }

References DCHECK, frame_, has_adapted_arguments_, and is_optimized_.

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

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Member Data Documentation

deoptimized_frame_

DeoptimizedFrameInfo* v8::internal::FrameInspector::deoptimized_frame_

private

Definition at line 5768 of file runtime.cc.

Referenced by expression_count(), FrameInspector(), GetContext(), GetExpression(), GetFunction(), GetParameter(), GetParametersCount(), GetSourcePosition(), IsConstructor(), and ~FrameInspector().

frame_

JavaScriptFrame* v8::internal::FrameInspector::frame_

private

Definition at line 5767 of file runtime.cc.

Referenced by FrameInspector(), GetContext(), GetExpression(), GetFunction(), GetParameter(), GetParametersCount(), GetSourcePosition(), IsConstructor(), and SetArgumentsFrame().

has_adapted_arguments_

bool v8::internal::FrameInspector::has_adapted_arguments_

private

Definition at line 5772 of file runtime.cc.

Referenced by FrameInspector(), and SetArgumentsFrame().

is_bottommost_

bool v8::internal::FrameInspector::is_bottommost_

private

Definition at line 5771 of file runtime.cc.

Referenced by FrameInspector(), and IsConstructor().

is_optimized_

bool v8::internal::FrameInspector::is_optimized_

private

Definition at line 5770 of file runtime.cc.

Referenced by FrameInspector(), GetContext(), GetExpression(), GetFunction(), GetParameter(), GetParametersCount(), GetSourcePosition(), IsConstructor(), and SetArgumentsFrame().

isolate_

Isolate* v8::internal::FrameInspector::isolate_

private

Definition at line 5769 of file runtime.cc.

Referenced by ~FrameInspector().

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

• /mnt/V8SourceCode/src/runtime/runtime.cc