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Unified Diff: src/elements.cc

Issue 9416057: Merge r10739 into 3.6 branch. (Closed) Base URL: https://v8.googlecode.com/svn/branches/3.6
Patch Set: Created 8 years, 10 months ago
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Index: src/elements.cc
diff --git a/src/elements.cc b/src/elements.cc
index 04546446174b251599d1c30f9638589481dbb9ec..f97aeda446d4cbc7b46349a752e8881ab7bc5ec5 100644
--- a/src/elements.cc
+++ b/src/elements.cc
@@ -77,18 +77,17 @@ class ElementsAccessorBase : public ElementsAccessor {
uint32_t key,
JSObject* obj,
Object* receiver) {
- return ElementsAccessorSubclass::Get(
+ return ElementsAccessorSubclass::GetImpl(
BackingStoreClass::cast(backing_store), key, obj, receiver);
}
- static MaybeObject* Get(BackingStoreClass* backing_store,
- uint32_t key,
- JSObject* obj,
- Object* receiver) {
- if (key < ElementsAccessorSubclass::GetCapacity(backing_store)) {
- return backing_store->get(key);
- }
- return backing_store->GetHeap()->the_hole_value();
+ static MaybeObject* GetImpl(BackingStoreClass* backing_store,
+ uint32_t key,
+ JSObject* obj,
+ Object* receiver) {
+ return (key < ElementsAccessorSubclass::GetCapacityImpl(backing_store))
+ ? backing_store->get(key)
+ : backing_store->GetHeap()->the_hole_value();
}
virtual MaybeObject* Delete(JSObject* obj,
@@ -108,7 +107,7 @@ class ElementsAccessorBase : public ElementsAccessor {
}
#endif
BackingStoreClass* backing_store = BackingStoreClass::cast(from);
- uint32_t len1 = ElementsAccessorSubclass::GetCapacity(backing_store);
+ uint32_t len1 = ElementsAccessorSubclass::GetCapacityImpl(backing_store);
// Optimize if 'other' is empty.
// We cannot optimize if 'this' is empty, as other may have holes.
@@ -117,14 +116,13 @@ class ElementsAccessorBase : public ElementsAccessor {
// Compute how many elements are not in other.
int extra = 0;
for (uint32_t y = 0; y < len1; y++) {
- if (ElementsAccessorSubclass::HasElementAtIndex(backing_store,
- y,
- holder,
- receiver)) {
+ if (ElementsAccessorSubclass::HasElementAtIndexImpl(
+ backing_store, y, holder, receiver)) {
uint32_t key =
- ElementsAccessorSubclass::GetKeyForIndex(backing_store, y);
+ ElementsAccessorSubclass::GetKeyForIndexImpl(backing_store, y);
MaybeObject* maybe_value =
- ElementsAccessorSubclass::Get(backing_store, key, holder, receiver);
+ ElementsAccessorSubclass::GetImpl(backing_store, key,
+ holder, receiver);
Object* value;
if (!maybe_value->ToObject(&value)) return maybe_value;
ASSERT(!value->IsTheHole());
@@ -155,14 +153,13 @@ class ElementsAccessorBase : public ElementsAccessor {
// Fill in the extra values.
int index = 0;
for (uint32_t y = 0; y < len1; y++) {
- if (ElementsAccessorSubclass::HasElementAtIndex(backing_store,
- y,
- holder,
- receiver)) {
+ if (ElementsAccessorSubclass::HasElementAtIndexImpl(
+ backing_store, y, holder, receiver)) {
uint32_t key =
- ElementsAccessorSubclass::GetKeyForIndex(backing_store, y);
+ ElementsAccessorSubclass::GetKeyForIndexImpl(backing_store, y);
MaybeObject* maybe_value =
- ElementsAccessorSubclass::Get(backing_store, key, holder, receiver);
+ ElementsAccessorSubclass::GetImpl(backing_store, key,
+ holder, receiver);
Object* value;
if (!maybe_value->ToObject(&value)) return maybe_value;
if (!value->IsTheHole() && !HasKey(to, value)) {
@@ -176,25 +173,23 @@ class ElementsAccessorBase : public ElementsAccessor {
}
protected:
- static uint32_t GetCapacity(BackingStoreClass* backing_store) {
+ static uint32_t GetCapacityImpl(BackingStoreClass* backing_store) {
return backing_store->length();
}
virtual uint32_t GetCapacity(FixedArrayBase* backing_store) {
- return ElementsAccessorSubclass::GetCapacity(
+ return ElementsAccessorSubclass::GetCapacityImpl(
BackingStoreClass::cast(backing_store));
}
- static bool HasElementAtIndex(BackingStoreClass* backing_store,
- uint32_t index,
- JSObject* holder,
- Object* receiver) {
+ static bool HasElementAtIndexImpl(BackingStoreClass* backing_store,
+ uint32_t index,
+ JSObject* holder,
+ Object* receiver) {
uint32_t key =
- ElementsAccessorSubclass::GetKeyForIndex(backing_store, index);
- MaybeObject* element = ElementsAccessorSubclass::Get(backing_store,
- key,
- holder,
- receiver);
+ ElementsAccessorSubclass::GetKeyForIndexImpl(backing_store, index);
+ MaybeObject* element =
+ ElementsAccessorSubclass::GetImpl(backing_store, key, holder, receiver);
return !element->IsTheHole();
}
@@ -202,18 +197,18 @@ class ElementsAccessorBase : public ElementsAccessor {
uint32_t index,
JSObject* holder,
Object* receiver) {
- return ElementsAccessorSubclass::HasElementAtIndex(
+ return ElementsAccessorSubclass::HasElementAtIndexImpl(
BackingStoreClass::cast(backing_store), index, holder, receiver);
}
- static uint32_t GetKeyForIndex(BackingStoreClass* backing_store,
- uint32_t index) {
+ static uint32_t GetKeyForIndexImpl(BackingStoreClass* backing_store,
+ uint32_t index) {
return index;
}
virtual uint32_t GetKeyForIndex(FixedArrayBase* backing_store,
uint32_t index) {
- return ElementsAccessorSubclass::GetKeyForIndex(
+ return ElementsAccessorSubclass::GetKeyForIndexImpl(
BackingStoreClass::cast(backing_store), index);
}
@@ -297,10 +292,10 @@ class FastDoubleElementsAccessor
return obj->GetHeap()->true_value();
}
- static bool HasElementAtIndex(FixedDoubleArray* backing_store,
- uint32_t index,
- JSObject* holder,
- Object* receiver) {
+ static bool HasElementAtIndexImpl(FixedDoubleArray* backing_store,
+ uint32_t index,
+ JSObject* holder,
+ Object* receiver) {
return !backing_store->is_the_hole(index);
}
};
@@ -316,15 +311,14 @@ class ExternalElementsAccessor
friend class ElementsAccessorBase<ExternalElementsAccessorSubclass,
ExternalArray>;
- static MaybeObject* Get(ExternalArray* backing_store,
- uint32_t key,
- JSObject* obj,
- Object* receiver) {
- if (key < ExternalElementsAccessorSubclass::GetCapacity(backing_store)) {
- return backing_store->get(key);
- } else {
- return backing_store->GetHeap()->undefined_value();
- }
+ static MaybeObject* GetImpl(ExternalArray* backing_store,
+ uint32_t key,
+ JSObject* obj,
+ Object* receiver) {
+ return
+ key < ExternalElementsAccessorSubclass::GetCapacityImpl(backing_store)
+ ? backing_store->get(key)
+ : backing_store->GetHeap()->undefined_value();
}
virtual MaybeObject* Delete(JSObject* obj,
@@ -449,10 +443,10 @@ class DictionaryElementsAccessor
return DeleteCommon(obj, key, mode);
}
- static MaybeObject* Get(SeededNumberDictionary* backing_store,
- uint32_t key,
- JSObject* obj,
- Object* receiver) {
+ static MaybeObject* GetImpl(SeededNumberDictionary* backing_store,
+ uint32_t key,
+ JSObject* obj,
+ Object* receiver) {
int entry = backing_store->FindEntry(key);
if (entry != SeededNumberDictionary::kNotFound) {
Object* element = backing_store->ValueAt(entry);
@@ -469,8 +463,8 @@ class DictionaryElementsAccessor
return obj->GetHeap()->the_hole_value();
}
- static uint32_t GetKeyForIndex(SeededNumberDictionary* dict,
- uint32_t index) {
+ static uint32_t GetKeyForIndexImpl(SeededNumberDictionary* dict,
+ uint32_t index) {
Object* key = dict->KeyAt(index);
return Smi::cast(key)->value();
}
@@ -484,10 +478,10 @@ class NonStrictArgumentsElementsAccessor
friend class ElementsAccessorBase<NonStrictArgumentsElementsAccessor,
FixedArray>;
- static MaybeObject* Get(FixedArray* parameter_map,
- uint32_t key,
- JSObject* obj,
- Object* receiver) {
+ static MaybeObject* GetImpl(FixedArray* parameter_map,
+ uint32_t key,
+ JSObject* obj,
+ Object* receiver) {
Object* probe = GetParameterMapArg(parameter_map, key);
if (!probe->IsTheHole()) {
Context* context = Context::cast(parameter_map->get(0));
@@ -526,21 +520,21 @@ class NonStrictArgumentsElementsAccessor
return obj->GetHeap()->true_value();
}
- static uint32_t GetCapacity(FixedArray* parameter_map) {
+ static uint32_t GetCapacityImpl(FixedArray* parameter_map) {
FixedArrayBase* arguments = FixedArrayBase::cast(parameter_map->get(1));
return Max(static_cast<uint32_t>(parameter_map->length() - 2),
ForArray(arguments)->GetCapacity(arguments));
}
- static uint32_t GetKeyForIndex(FixedArray* dict,
- uint32_t index) {
+ static uint32_t GetKeyForIndexImpl(FixedArray* dict,
+ uint32_t index) {
return index;
}
- static bool HasElementAtIndex(FixedArray* parameter_map,
- uint32_t index,
- JSObject* holder,
- Object* receiver) {
+ static bool HasElementAtIndexImpl(FixedArray* parameter_map,
+ uint32_t index,
+ JSObject* holder,
+ Object* receiver) {
Object* probe = GetParameterMapArg(parameter_map, index);
if (!probe->IsTheHole()) {
return true;
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