dart::compiler::target::Instance Class Reference

#include <runtime_api.h>

Inheritance diagram for dart::compiler::target::Instance:

Static Public Member Functions
static word	first_field_offset ()
static word	native_fields_array_offset ()
static word	DataOffsetFor (intptr_t cid)
static word	ElementSizeFor (intptr_t cid)
static word	InstanceSize ()
static word	NextFieldOffset ()

Detailed Description

Definition at line 515 of file runtime_api.h.

Member Function Documentation

DataOffsetFor()

word dart::compiler::target::Instance::DataOffsetFor ( intptr_t  cid )

static

Definition at line 555 of file runtime_api.cc.

                                         {
  if (dart::IsExternalTypedDataClassId(cid)) {
    // Elements start at offset 0 of the external data.
    return 0;
  }
  if (dart::IsTypedDataClassId(cid)) {
    return TypedData::payload_offset();
  }
  switch (cid) {
    case kArrayCid:
    case kImmutableArrayCid:
      return Array::data_offset();
    case kTypeArgumentsCid:
      return TypeArguments::types_offset();
    case kOneByteStringCid:
      return OneByteString::data_offset();
    case kTwoByteStringCid:
      return TwoByteString::data_offset();
    case kRecordCid:
      return Record::field_offset(0);
    default:
      UNIMPLEMENTED();
      return Array::data_offset();
  }
}

ElementSizeFor()

word dart::compiler::target::Instance::ElementSizeFor ( intptr_t  cid )

static

Definition at line 581 of file runtime_api.cc.

                                          {
  if (dart::IsExternalTypedDataClassId(cid) || dart::IsTypedDataClassId(cid) ||
      dart::IsTypedDataViewClassId(cid) ||
      dart::IsUnmodifiableTypedDataViewClassId(cid)) {
    return dart::TypedDataBase::ElementSizeInBytes(cid);
  }
  switch (cid) {
    case kArrayCid:
    case kImmutableArrayCid:
      return kCompressedWordSize;
    case kTypeArgumentsCid:
      return kCompressedWordSize;
    case kOneByteStringCid:
      return dart::OneByteString::kBytesPerElement;
    case kTwoByteStringCid:
      return dart::TwoByteString::kBytesPerElement;
    default:
      UNIMPLEMENTED();
      return 0;
  }
}

first_field_offset()

word dart::compiler::target::Instance::first_field_offset ( )

static

Definition at line 547 of file runtime_api.cc.

                                  {
  return TranslateOffsetInWords(dart::Instance::NextFieldOffset());
}

InstanceSize()

static word dart::compiler::target::Instance::InstanceSize ( )

static

native_fields_array_offset()

word dart::compiler::target::Instance::native_fields_array_offset ( )

static

Definition at line 551 of file runtime_api.cc.

                                          {
  return TranslateOffsetInWords(dart::Instance::NativeFieldsOffset());
}

NextFieldOffset()

word dart::compiler::target::Instance::NextFieldOffset ( )

static

Definition at line 1046 of file runtime_api.cc.

                               {
  return TranslateOffsetInWords(dart::Instance::NextFieldOffset());
}

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

• third_party/dart-lang/sdk/runtime/vm/compiler/runtime_api.h
• third_party/dart-lang/sdk/runtime/vm/compiler/runtime_api.cc