dart::CidRewriteVisitor Class Reference

Inheritance diagram for dart::CidRewriteVisitor:

Public Member Functions
	CidRewriteVisitor (intptr_t *old_to_new_cids)
intptr_t	Map (intptr_t cid)
void	VisitObject (ObjectPtr obj) override
Public Member Functions inherited from dart::ObjectVisitor
	ObjectVisitor ()
virtual	~ObjectVisitor ()

Detailed Description

Definition at line 1001 of file class_finalizer.cc.

Constructor & Destructor Documentation

CidRewriteVisitor()

dart::CidRewriteVisitor::CidRewriteVisitor ( intptr_t *  old_to_new_cids )

inlineexplicit

Definition at line 1003 of file class_finalizer.cc.

      : old_to_new_cids_(old_to_new_cids) {}

Member Function Documentation

Map()

intptr_t dart::CidRewriteVisitor::Map ( intptr_t  cid )

inline

Definition at line 1006 of file class_finalizer.cc.

                             {
    ASSERT(cid != -1);
    return old_to_new_cids_[cid];
  }

VisitObject()

void dart::CidRewriteVisitor::VisitObject ( ObjectPtr  obj )

inlineoverridevirtual

Implements dart::ObjectVisitor.

Definition at line 1011 of file class_finalizer.cc.

                                           {
    if (obj->IsClass()) {
      ClassPtr cls = Class::RawCast(obj);
      const classid_t old_cid = cls->untag()->id_;
      if (ClassTable::IsTopLevelCid(old_cid)) {
        // We don't remap cids of top level classes.
        return;
      }
      cls->untag()->id_ = Map(old_cid);
      cls->untag()->implementor_cid_ = Map(cls->untag()->implementor_cid_);
    } else if (obj->IsField()) {
      FieldPtr field = Field::RawCast(obj);
      field->untag()->guarded_cid_ = Map(field->untag()->guarded_cid_);
      field->untag()->is_nullable_ = Map(field->untag()->is_nullable_);
    } else if (obj->IsTypeParameter()) {
      TypeParameterPtr param = TypeParameter::RawCast(obj);
      if (!UntaggedTypeParameter::IsFunctionTypeParameter::decode(
              param->untag()->flags())) {
        param->untag()->set_owner(
            Smi::New(Map(Smi::Value(Smi::RawCast(param->untag()->owner())))));
      }
    } else if (obj->IsType()) {
      TypePtr type = Type::RawCast(obj);
      type->untag()->set_type_class_id(Map(type->untag()->type_class_id()));
    } else {
      intptr_t old_cid = obj->GetClassId();
      intptr_t new_cid = Map(old_cid);
      if (old_cid != new_cid) {
        // Don't touch objects that are unchanged. In particular, Instructions,
        // which are write-protected.
        obj->untag()->SetClassIdUnsynchronized(new_cid);
      }
    }
  }

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

• third_party/dart-lang/sdk/runtime/vm/class_finalizer.cc