diff options
Diffstat (limited to 'js/src/vm/NativeObject.h')
| -rw-r--r-- | js/src/vm/NativeObject.h | 63 |
1 files changed, 28 insertions, 35 deletions
diff --git a/js/src/vm/NativeObject.h b/js/src/vm/NativeObject.h index 4dbc167ab..9cc6d5436 100644 --- a/js/src/vm/NativeObject.h +++ b/js/src/vm/NativeObject.h @@ -339,16 +339,19 @@ IsObjectValueInCompartment(const Value& v, JSCompartment* comp); #endif // Operations which change an object's dense elements can either succeed, fail, -// or be unable to complete. For native objects, the latter is used when the -// object's elements must become sparse instead. The enum below is used for -// such operations, and for similar operations on unboxed arrays and methods -// that work on both kinds of objects. +// or be unable to complete. The latter is used when the object's elements must +// become sparse instead. The enum below is used for such operations. enum class DenseElementResult { Failure, Success, Incomplete }; +enum class ShouldUpdateTypes { + Update, + DontUpdate +}; + /* * NativeObject specifies the internal implementation of a native object. * @@ -467,11 +470,6 @@ class NativeObject : public ShapedObject // that are (temporarily) inconsistent. void setLastPropertyMakeNonNative(Shape* shape); - // As for setLastProperty(), but changes the class associated with the - // object to a native one. The object's type has already been changed, and - // this brings the shape into sync with it. - void setLastPropertyMakeNative(ExclusiveContext* cx, Shape* shape); - // Newly-created TypedArrays that map a SharedArrayBuffer are // marked as shared by giving them an ObjectElements that has the // ObjectElements::SHARED_MEMORY flag set. @@ -493,8 +491,8 @@ class NativeObject : public ShapedObject void checkShapeConsistency() { } #endif - Shape* - replaceWithNewEquivalentShape(ExclusiveContext* cx, + static Shape* + replaceWithNewEquivalentShape(ExclusiveContext* cx, HandleNativeObject obj, Shape* existingShape, Shape* newShape = nullptr, bool accessorShape = false); @@ -512,7 +510,7 @@ class NativeObject : public ShapedObject */ bool setSlotSpan(ExclusiveContext* cx, uint32_t span); - bool toDictionaryMode(ExclusiveContext* cx); + static MOZ_MUST_USE bool toDictionaryMode(ExclusiveContext* cx, HandleNativeObject obj); private: friend class TenuringTracer; @@ -611,12 +609,15 @@ class NativeObject : public ShapedObject } public: - bool generateOwnShape(ExclusiveContext* cx, Shape* newShape = nullptr) { - return replaceWithNewEquivalentShape(cx, lastProperty(), newShape); + static MOZ_MUST_USE bool generateOwnShape(ExclusiveContext* cx, HandleNativeObject obj, + Shape* newShape = nullptr) + { + return replaceWithNewEquivalentShape(cx, obj, obj->lastProperty(), newShape); } - bool shadowingShapeChange(ExclusiveContext* cx, const Shape& shape); - bool clearFlag(ExclusiveContext* cx, BaseShape::Flag flag); + static MOZ_MUST_USE bool shadowingShapeChange(ExclusiveContext* cx, HandleNativeObject obj, + const Shape& shape); + static bool clearFlag(ExclusiveContext* cx, HandleNativeObject obj, BaseShape::Flag flag); // The maximum number of slots in an object. // |MAX_SLOTS_COUNT * sizeof(JS::Value)| shouldn't overflow @@ -743,10 +744,10 @@ class NativeObject : public ShapedObject bool allowDictionary = true); /* Add a data property whose id is not yet in this scope. */ - Shape* addDataProperty(ExclusiveContext* cx, - jsid id_, uint32_t slot, unsigned attrs); - Shape* addDataProperty(ExclusiveContext* cx, HandlePropertyName name, - uint32_t slot, unsigned attrs); + static Shape* addDataProperty(ExclusiveContext* cx, HandleNativeObject obj, + jsid id_, uint32_t slot, unsigned attrs); + static Shape* addDataProperty(ExclusiveContext* cx, HandleNativeObject obj, + HandlePropertyName name, uint32_t slot, unsigned attrs); /* Add or overwrite a property for id in this scope. */ static Shape* @@ -766,7 +767,7 @@ class NativeObject : public ShapedObject unsigned attrs, JSGetterOp getter, JSSetterOp setter); /* Remove the property named by id from this object. */ - bool removeProperty(ExclusiveContext* cx, jsid id); + static bool removeProperty(ExclusiveContext* cx, HandleNativeObject obj, jsid id); /* Clear the scope, making it empty. */ static void clear(ExclusiveContext* cx, HandleNativeObject obj); @@ -785,7 +786,8 @@ class NativeObject : public ShapedObject unsigned flags, ShapeTable::Entry* entry, bool allowDictionary, const AutoKeepShapeTables& keep); - bool fillInAfterSwap(JSContext* cx, const Vector<Value>& values, void* priv); + static MOZ_MUST_USE bool fillInAfterSwap(JSContext* cx, HandleNativeObject obj, + const Vector<Value>& values, void* priv); public: // Return true if this object has been converted from shared-immutable @@ -1147,6 +1149,10 @@ class NativeObject : public ShapedObject elementsRangeWriteBarrierPost(dstStart, count); } + inline DenseElementResult + setOrExtendDenseElements(ExclusiveContext* cx, uint32_t start, const Value* vp, uint32_t count, + ShouldUpdateTypes updateTypes = ShouldUpdateTypes::Update); + bool shouldConvertDoubleElements() { return getElementsHeader()->shouldConvertDoubleElements(); } @@ -1468,19 +1474,6 @@ NativeGetExistingProperty(JSContext* cx, HandleObject receiver, HandleNativeObje /* * */ -/* - * If obj has an already-resolved data property for id, return true and - * store the property value in *vp. - */ -extern bool -HasDataProperty(JSContext* cx, NativeObject* obj, jsid id, Value* vp); - -inline bool -HasDataProperty(JSContext* cx, NativeObject* obj, PropertyName* name, Value* vp) -{ - return HasDataProperty(cx, obj, NameToId(name), vp); -} - extern bool GetPropertyForNameLookup(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue vp); |