v8::internal::HeapEntriesMap Class Reference

#include <heap-snapshot-generator.h>

Collaboration diagram for v8::internal::HeapEntriesMap:

Public Member Functions
	HeapEntriesMap ()
int	Map (HeapThing thing)
void	Pair (HeapThing thing, int entry)

Private Member Functions
	DISALLOW_COPY_AND_ASSIGN (HeapEntriesMap)

Static Private Member Functions
static uint32_t	Hash (HeapThing thing)

Private Attributes
HashMap	entries_

Friends
class	HeapObjectsSet

Detailed Description

Definition at line 280 of file heap-snapshot-generator.h.

Constructor & Destructor Documentation

HeapEntriesMap()

v8::internal::HeapEntriesMap::HeapEntriesMap

(

)

Definition at line 719 of file heap-snapshot-generator.cc.

    : entries_(HashMap::PointersMatch) {
}

Member Function Documentation

DISALLOW_COPY_AND_ASSIGN()

v8::internal::HeapEntriesMap::DISALLOW_COPY_AND_ASSIGN ( HeapEntriesMap  )

private

Hash()

static uint32_t v8::internal::HeapEntriesMap::Hash ( HeapThing  thing )

inlinestaticprivate

Definition at line 288 of file heap-snapshot-generator.h.

                                        {
    return ComputeIntegerHash(
        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(thing)),
        v8::internal::kZeroHashSeed);
  }

References v8::internal::ComputeIntegerHash(), and v8::internal::kZeroHashSeed.

Referenced by v8::internal::HeapObjectsSet::Contains(), v8::internal::HeapObjectsSet::GetTag(), v8::internal::HeapObjectsSet::Insert(), Map(), Pair(), and v8::internal::HeapObjectsSet::SetTag().

Here is the call graph for this function:

Here is the caller graph for this function:

Map()

int v8::internal::HeapEntriesMap::Map

(

HeapThing

thing

)

Definition at line 724 of file heap-snapshot-generator.cc.

                                       {
  HashMap::Entry* cache_entry = entries_.Lookup(thing, Hash(thing), false);
  if (cache_entry == NULL) return HeapEntry::kNoEntry;
  return static_cast<int>(reinterpret_cast<intptr_t>(cache_entry->value));
}

References entries_, Hash(), v8::internal::TemplateHashMapImpl< AllocationPolicy >::Lookup(), and NULL.

Referenced by v8::internal::SnapshotFiller::FindEntry().

Here is the call graph for this function:

Here is the caller graph for this function:

Pair()

void v8::internal::HeapEntriesMap::Pair	(	HeapThing	thing,
		int	entry
	)

Definition at line 731 of file heap-snapshot-generator.cc.

                                                    {
  HashMap::Entry* cache_entry = entries_.Lookup(thing, Hash(thing), true);
  DCHECK(cache_entry->value == NULL);
  cache_entry->value = reinterpret_cast<void*>(static_cast<intptr_t>(entry));
}

References DCHECK, entries_, Hash(), v8::internal::TemplateHashMapImpl< AllocationPolicy >::Lookup(), and NULL.

Referenced by v8::internal::SnapshotFiller::AddEntry().

Here is the call graph for this function:

Here is the caller graph for this function:

Friends And Related Function Documentation

HeapObjectsSet

friend class HeapObjectsSet

friend

Definition at line 296 of file heap-snapshot-generator.h.

Member Data Documentation

entries_

HashMap v8::internal::HeapEntriesMap::entries_

private

Definition at line 294 of file heap-snapshot-generator.h.

Referenced by Map(), and Pair().

---

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

• /mnt/V8SourceCode/src/heap-snapshot-generator.h
• /mnt/V8SourceCode/src/heap-snapshot-generator.cc