dart::CidCheckerForRanges Class Reference

Inheritance diagram for dart::CidCheckerForRanges:

Public Member Functions
	CidCheckerForRanges (Thread *thread, ClassTable *table, const Class &cls, bool include_abstract, bool exclude_null)
bool	MayInclude (intptr_t cid)
bool	MustInclude (intptr_t cid)
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Detailed Description

Definition at line 134 of file il.cc.

Constructor & Destructor Documentation

CidCheckerForRanges()

dart::CidCheckerForRanges::CidCheckerForRanges ( Thread *  thread, ClassTable *  table, const Class &  cls, bool  include_abstract, bool  exclude_null  )

inline

Definition at line 136 of file il.cc.

      : thread_(thread),
        table_(table),
        supertype_(AbstractType::Handle(zone(), cls.RareType())),
        include_abstract_(include_abstract),
        exclude_null_(exclude_null),
        to_check_(Class::Handle(zone())),
        subtype_(AbstractType::Handle(zone())) {}

Member Function Documentation

MayInclude()

bool dart::CidCheckerForRanges::MayInclude ( intptr_t  cid )

inline

Definition at line 149 of file il.cc.

                                {
    if (!table_->HasValidClassAt(cid)) return true;
    if (cid == kTypeArgumentsCid) return true;
    if (cid == kVoidCid) return true;
    if (cid == kDynamicCid) return true;
    if (cid == kNeverCid) return true;
    if (!exclude_null_ && cid == kNullCid) return true;
    to_check_ = table_->At(cid);
    ASSERT(!to_check_.IsNull());
    if (!include_abstract_ && to_check_.is_abstract()) return true;
    return to_check_.IsTopLevel();
  }

MustInclude()

bool dart::CidCheckerForRanges::MustInclude ( intptr_t  cid )

inline

Definition at line 162 of file il.cc.

                                 {
    ASSERT(!MayInclude(cid));
    if (cid == kNullCid) return false;
    to_check_ = table_->At(cid);
    subtype_ = to_check_.RareType();
    // Create local zone because deep hierarchies may allocate lots of handles.
    StackZone stack_zone(thread_);
    HANDLESCOPE(thread_);
    return subtype_.IsSubtypeOf(supertype_, Heap::kNew);
  }

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

• third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.cc