v8::internal::ExternalReferenceEncoder Class Reference

#include <serialize.h>

Collaboration diagram for v8::internal::ExternalReferenceEncoder:

Public Member Functions
	ExternalReferenceEncoder (Isolate *isolate)
uint32_t	Encode (Address key) const
const char *	NameOfAddress (Address key) const

Private Member Functions
int	IndexOf (Address key) const
void	Put (Address key, int index)

Static Private Member Functions
static uint32_t	Hash (Address key)

Private Attributes
HashMap	encodings_
Isolate *	isolate_

Detailed Description

Definition at line 92 of file serialize.h.

Constructor & Destructor Documentation

ExternalReferenceEncoder()

v8::internal::ExternalReferenceEncoder::ExternalReferenceEncoder ( Isolate *  isolate )

explicit

Definition at line 419 of file serialize.cc.

    : encodings_(HashMap::PointersMatch),
      isolate_(isolate) {
  ExternalReferenceTable* external_references =
      ExternalReferenceTable::instance(isolate_);
  for (int i = 0; i < external_references->size(); ++i) {
    Put(external_references->address(i), i);
  }
}

References v8::internal::ExternalReferenceTable::address(), v8::internal::ExternalReferenceTable::instance(), isolate_, Put(), and v8::internal::ExternalReferenceTable::size().

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Member Function Documentation

Encode()

uint32_t v8::internal::ExternalReferenceEncoder::Encode

(

Address

key

)

const

Definition at line 430 of file serialize.cc.

                                                           {
  int index = IndexOf(key);
  DCHECK(key == NULL || index >= 0);
  return index >= 0 ?
         ExternalReferenceTable::instance(isolate_)->code(index) : 0;
}

References v8::internal::ExternalReferenceTable::code(), DCHECK, IndexOf(), v8::internal::ExternalReferenceTable::instance(), isolate_, and NULL.

Referenced by v8::internal::Serializer::EncodeExternalReference().

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Hash()

static uint32_t v8::internal::ExternalReferenceEncoder::Hash ( Address  key )

inlinestaticprivate

Definition at line 102 of file serialize.h.

                                    {
    return static_cast<uint32_t>(reinterpret_cast<uintptr_t>(key) >> 2);
  }

Referenced by IndexOf(), and Put().

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IndexOf()

int v8::internal::ExternalReferenceEncoder::IndexOf ( Address  key ) const

private

Definition at line 445 of file serialize.cc.

                                                       {
  if (key == NULL) return -1;
  HashMap::Entry* entry =
      const_cast<HashMap&>(encodings_).Lookup(key, Hash(key), false);
  return entry == NULL
      ? -1
      : static_cast<int>(reinterpret_cast<intptr_t>(entry->value));
}

References encodings_, Hash(), and NULL.

Referenced by Encode(), and NameOfAddress().

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NameOfAddress()

const char * v8::internal::ExternalReferenceEncoder::NameOfAddress

(

Address

key

)

const

Definition at line 438 of file serialize.cc.

                                                                     {
  int index = IndexOf(key);
  return index >= 0 ? ExternalReferenceTable::instance(isolate_)->name(index)
                    : "<unknown>";
}

References IndexOf(), v8::internal::ExternalReferenceTable::instance(), isolate_, and v8::internal::ExternalReferenceTable::name().

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Put()

void v8::internal::ExternalReferenceEncoder::Put ( Address  key, int  index  )

private

Definition at line 455 of file serialize.cc.

                                                         {
  HashMap::Entry* entry = encodings_.Lookup(key, Hash(key), true);
  entry->value = reinterpret_cast<void*>(index);
}

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

Referenced by ExternalReferenceEncoder().

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Member Data Documentation

encodings_

HashMap v8::internal::ExternalReferenceEncoder::encodings_

private

Definition at line 101 of file serialize.h.

Referenced by IndexOf(), and Put().

isolate_

Isolate* v8::internal::ExternalReferenceEncoder::isolate_

private

Definition at line 110 of file serialize.h.

Referenced by Encode(), ExternalReferenceEncoder(), and NameOfAddress().

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

• /mnt/V8SourceCode/src/serialize.h
• /mnt/V8SourceCode/src/serialize.cc