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author | Bert Belder <bertbelder@gmail.com> | 2012-06-13 15:34:45 +0200 |
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committer | Bert Belder <bertbelder@gmail.com> | 2012-06-14 01:37:13 +0200 |
commit | 50464cd4f49e40f4fe792ff46a81052319a222e9 (patch) | |
tree | 1fe524b2e6c0eb3c459142cd27539f88e1a3f63c /deps/v8/src/elements.h | |
parent | 09be360a0fee2c7619bae8c4248f9ed3d79d1b30 (diff) | |
download | android-node-v8-50464cd4f49e40f4fe792ff46a81052319a222e9.tar.gz android-node-v8-50464cd4f49e40f4fe792ff46a81052319a222e9.tar.bz2 android-node-v8-50464cd4f49e40f4fe792ff46a81052319a222e9.zip |
v8: upgrade to v3.11.10
Diffstat (limited to 'deps/v8/src/elements.h')
-rw-r--r-- | deps/v8/src/elements.h | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/deps/v8/src/elements.h b/deps/v8/src/elements.h index ff97c08324..822fca50ee 100644 --- a/deps/v8/src/elements.h +++ b/deps/v8/src/elements.h @@ -28,6 +28,7 @@ #ifndef V8_ELEMENTS_H_ #define V8_ELEMENTS_H_ +#include "elements-kind.h" #include "objects.h" #include "heap.h" #include "isolate.h" @@ -45,6 +46,10 @@ class ElementsAccessor { virtual ElementsKind kind() const = 0; const char* name() const { return name_; } + // Checks the elements of an object for consistency, asserting when a problem + // is found. + virtual void Validate(JSObject* obj) = 0; + // Returns true if a holder contains an element with the specified key // without iterating up the prototype chain. The caller can optionally pass // in the backing store to use for the check, which must be compatible with @@ -60,18 +65,19 @@ class ElementsAccessor { // can optionally pass in the backing store to use for the check, which must // be compatible with the ElementsKind of the ElementsAccessor. If // backing_store is NULL, the holder->elements() is used as the backing store. - virtual MaybeObject* Get(Object* receiver, - JSObject* holder, - uint32_t key, - FixedArrayBase* backing_store = NULL) = 0; + MUST_USE_RESULT virtual MaybeObject* Get( + Object* receiver, + JSObject* holder, + uint32_t key, + FixedArrayBase* backing_store = NULL) = 0; // Modifies the length data property as specified for JSArrays and resizes the // underlying backing store accordingly. The method honors the semantics of // changing array sizes as defined in EcmaScript 5.1 15.4.5.2, i.e. array that // have non-deletable elements can only be shrunk to the size of highest // element that is non-deletable. - virtual MaybeObject* SetLength(JSArray* holder, - Object* new_length) = 0; + MUST_USE_RESULT virtual MaybeObject* SetLength(JSArray* holder, + Object* new_length) = 0; // Modifies both the length and capacity of a JSArray, resizing the underlying // backing store as necessary. This method does NOT honor the semantics of @@ -79,14 +85,14 @@ class ElementsAccessor { // elements. This method should only be called for array expansion OR by // runtime JavaScript code that use InternalArrays and don't care about // EcmaScript 5.1 semantics. - virtual MaybeObject* SetCapacityAndLength(JSArray* array, - int capacity, - int length) = 0; + MUST_USE_RESULT virtual MaybeObject* SetCapacityAndLength(JSArray* array, + int capacity, + int length) = 0; // Deletes an element in an object, returning a new elements backing store. - virtual MaybeObject* Delete(JSObject* holder, - uint32_t key, - JSReceiver::DeleteMode mode) = 0; + MUST_USE_RESULT virtual MaybeObject* Delete(JSObject* holder, + uint32_t key, + JSReceiver::DeleteMode mode) = 0; // If kCopyToEnd is specified as the copy_size to CopyElements, it copies all // of elements from source after source_start to the destination array. @@ -101,26 +107,28 @@ class ElementsAccessor { // the source JSObject or JSArray in source_holder. If the holder's backing // store is available, it can be passed in source and source_holder is // ignored. - virtual MaybeObject* CopyElements(JSObject* source_holder, - uint32_t source_start, - FixedArrayBase* destination, - ElementsKind destination_kind, - uint32_t destination_start, - int copy_size, - FixedArrayBase* source = NULL) = 0; - - MaybeObject* CopyElements(JSObject* from_holder, - FixedArrayBase* to, - ElementsKind to_kind, - FixedArrayBase* from = NULL) { + MUST_USE_RESULT virtual MaybeObject* CopyElements( + JSObject* source_holder, + uint32_t source_start, + FixedArrayBase* destination, + ElementsKind destination_kind, + uint32_t destination_start, + int copy_size, + FixedArrayBase* source = NULL) = 0; + + MUST_USE_RESULT MaybeObject* CopyElements(JSObject* from_holder, + FixedArrayBase* to, + ElementsKind to_kind, + FixedArrayBase* from = NULL) { return CopyElements(from_holder, 0, to, to_kind, 0, kCopyToEndAndInitializeToHole, from); } - virtual MaybeObject* AddElementsToFixedArray(Object* receiver, - JSObject* holder, - FixedArray* to, - FixedArrayBase* from = NULL) = 0; + MUST_USE_RESULT virtual MaybeObject* AddElementsToFixedArray( + Object* receiver, + JSObject* holder, + FixedArray* to, + FixedArrayBase* from = NULL) = 0; // Returns a shared ElementsAccessor for the specified ElementsKind. static ElementsAccessor* ForKind(ElementsKind elements_kind) { @@ -131,6 +139,7 @@ class ElementsAccessor { static ElementsAccessor* ForArray(FixedArrayBase* array); static void InitializeOncePerProcess(); + static void TearDown(); protected: friend class NonStrictArgumentsElementsAccessor; |