v8::internal::GlobalHandles::NodeBlock Class Reference

Collaboration diagram for v8::internal::GlobalHandles::NodeBlock:

Public Member Functions
	NodeBlock (GlobalHandles *global_handles, NodeBlock *next)
void	PutNodesOnFreeList (Node **first_free)
Node *	node_at (int index)
void	IncreaseUses ()
void	DecreaseUses ()
GlobalHandles *	global_handles ()
NodeBlock *	next () const
NodeBlock *	next_used () const
NodeBlock *	prev_used () const

Static Public Attributes
static const int	kSize = 256

Private Attributes
Node	nodes_ [kSize]
NodeBlock *const	next_
int	used_nodes_
NodeBlock *	next_used_
NodeBlock *	prev_used_
GlobalHandles *	global_handles_

Detailed Description

Definition at line 301 of file global-handles.cc.

Constructor & Destructor Documentation

NodeBlock()

v8::internal::GlobalHandles::NodeBlock::NodeBlock ( GlobalHandles *  global_handles, NodeBlock *  next  )

inlineexplicit

Definition at line 305 of file global-handles.cc.

      : next_(next),
        used_nodes_(0),
        next_used_(NULL),
        prev_used_(NULL),
        global_handles_(global_handles) {}

Member Function Documentation

DecreaseUses()

void v8::internal::GlobalHandles::NodeBlock::DecreaseUses ( )

inline

Definition at line 335 of file global-handles.cc.

                      {
    DCHECK(used_nodes_ > 0);
    if (--used_nodes_ == 0) {
      if (next_used_ != NULL) next_used_->prev_used_ = prev_used_;
      if (prev_used_ != NULL) prev_used_->next_used_ = next_used_;
      if (this == global_handles_->first_used_block_) {
        global_handles_->first_used_block_ = next_used_;
      }
    }
  }

References DCHECK, v8::internal::GlobalHandles::first_used_block_, global_handles_, next_used_, NULL, prev_used_, and used_nodes_.

Referenced by v8::internal::GlobalHandles::Node::DecreaseBlockUses().

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global_handles()

GlobalHandles* v8::internal::GlobalHandles::NodeBlock::global_handles ( )

inline

Definition at line 346 of file global-handles.cc.

{ return global_handles_; }

References global_handles_.

Referenced by v8::internal::GlobalHandles::Node::DecreaseBlockUses(), v8::internal::GlobalHandles::Node::GetGlobalHandles(), and v8::internal::GlobalHandles::Node::IncreaseBlockUses().

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IncreaseUses()

void v8::internal::GlobalHandles::NodeBlock::IncreaseUses ( )

inline

Definition at line 323 of file global-handles.cc.

                      {
    DCHECK(used_nodes_ < kSize);
    if (used_nodes_++ == 0) {
      NodeBlock* old_first = global_handles_->first_used_block_;
      global_handles_->first_used_block_ = this;
      next_used_ = old_first;
      prev_used_ = NULL;
      if (old_first == NULL) return;
      old_first->prev_used_ = this;
    }
  }

References DCHECK, v8::internal::GlobalHandles::first_used_block_, global_handles_, kSize, next_used_, NULL, prev_used_, and used_nodes_.

Referenced by v8::internal::GlobalHandles::Node::IncreaseBlockUses().

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next()

NodeBlock* v8::internal::GlobalHandles::NodeBlock::next ( ) const

inline

Definition at line 349 of file global-handles.cc.

{ return next_; }

References next_.

Referenced by v8::internal::GlobalHandles::~GlobalHandles().

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next_used()

NodeBlock* v8::internal::GlobalHandles::NodeBlock::next_used ( ) const

inline

Definition at line 352 of file global-handles.cc.

{ return next_used_; }

References next_used_.

node_at()

Node* v8::internal::GlobalHandles::NodeBlock::node_at ( int  index )

inline

Definition at line 318 of file global-handles.cc.

                           {
    DCHECK(0 <= index && index < kSize);
    return &nodes_[index];
  }

References DCHECK, kSize, and nodes_.

prev_used()

NodeBlock* v8::internal::GlobalHandles::NodeBlock::prev_used ( ) const

inline

Definition at line 353 of file global-handles.cc.

{ return prev_used_; }

References prev_used_.

PutNodesOnFreeList()

void v8::internal::GlobalHandles::NodeBlock::PutNodesOnFreeList ( Node **  first_free )

inline

Definition at line 312 of file global-handles.cc.

                                             {
    for (int i = kSize - 1; i >= 0; --i) {
      nodes_[i].Initialize(i, first_free);
    }
  }

References v8::internal::GlobalHandles::Node::Initialize(), kSize, and nodes_.

Referenced by v8::internal::GlobalHandles::Create().

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Member Data Documentation

global_handles_

GlobalHandles* v8::internal::GlobalHandles::NodeBlock::global_handles_

private

Definition at line 361 of file global-handles.cc.

Referenced by DecreaseUses(), global_handles(), and IncreaseUses().

kSize

const int v8::internal::GlobalHandles::NodeBlock::kSize = 256

static

Definition at line 303 of file global-handles.cc.

Referenced by v8::internal::GlobalHandles::NodeIterator::Advance(), IncreaseUses(), node_at(), and PutNodesOnFreeList().

next_

NodeBlock* const v8::internal::GlobalHandles::NodeBlock::next_

private

Definition at line 357 of file global-handles.cc.

Referenced by next().

next_used_

NodeBlock* v8::internal::GlobalHandles::NodeBlock::next_used_

private

Definition at line 359 of file global-handles.cc.

Referenced by DecreaseUses(), IncreaseUses(), and next_used().

nodes_

Node v8::internal::GlobalHandles::NodeBlock::nodes_[kSize]

private

Definition at line 356 of file global-handles.cc.

Referenced by node_at(), and PutNodesOnFreeList().

prev_used_

NodeBlock* v8::internal::GlobalHandles::NodeBlock::prev_used_

private

Definition at line 360 of file global-handles.cc.

Referenced by DecreaseUses(), IncreaseUses(), and prev_used().

used_nodes_

int v8::internal::GlobalHandles::NodeBlock::used_nodes_

private

Definition at line 358 of file global-handles.cc.

Referenced by DecreaseUses(), and IncreaseUses().

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

• /mnt/V8SourceCode/src/global-handles.cc