ArrayConcatVisitor Class Reference

Public Member Functions
	ArrayConcatVisitor (Isolate *isolate, Handle< FixedArray > storage, bool fast_elements)
	~ArrayConcatVisitor ()
void	visit (uint32_t i, Handle< Object > elm)
void	increase_index_offset (uint32_t delta)
Handle< JSArray >	ToArray ()

Detailed Description

A simple visitor visits every element of Array's. The backend storage can be a fixed array for fast elements case, or a dictionary for sparse array. Since Dictionary is a subtype of FixedArray, the class can be used by both fast and slow cases. The second parameter of the constructor, fast_elements, specifies whether the storage is a FixedArray or Dictionary.

An index limit is used to deal with the situation that a result array length overflows 32-bit non-negative integer.

Definition at line 9514 of file runtime.cc.

Constructor & Destructor Documentation

ArrayConcatVisitor ( Isolate *  isolate, Handle< FixedArray >  storage, bool  fast_elements  )

inline

Definition at line 9516 of file runtime.cc.

~ArrayConcatVisitor ( )

inline

Definition at line 9525 of file runtime.cc.

Member Function Documentation

void increase_index_offset ( uint32_t  delta )

inline

Definition at line 9557 of file runtime.cc.

References JSObject::kMaxElementCount.

Referenced by v8::internal::RUNTIME_FUNCTION().

Handle<JSArray> ToArray ( )

inline

Definition at line 9565 of file runtime.cc.

References v8::internal::DICTIONARY_ELEMENTS, Isolate::factory(), v8::internal::FAST_HOLEY_ELEMENTS, Factory::GetElementsTransitionMap(), Factory::NewJSArray(), and Factory::NewNumber().

Referenced by v8::internal::RUNTIME_FUNCTION().

void visit ( uint32_t  i, Handle< Object >  elm  )

inline

Definition at line 9529 of file runtime.cc.

References ASSERT, SeededNumberDictionary::cast(), Factory::DictionaryAtNumberPut(), Isolate::factory(), Handle< T >::is_identical_to(), and JSObject::kMaxElementCount.

Referenced by v8::internal::RUNTIME_FUNCTION().

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

• src/runtime.cc