Index: src/builtins/builtins-typedarray.cc |
diff --git a/src/builtins/builtins-typedarray.cc b/src/builtins/builtins-typedarray.cc |
index 6e4a1bfb936044b23c5a75c74939f381a0f08e9d..8a607b3ef2b2c9478cfff3655305d82d663b8e89 100644 |
--- a/src/builtins/builtins-typedarray.cc |
+++ b/src/builtins/builtins-typedarray.cc |
@@ -468,7 +468,6 @@ BUILTIN(TypedArrayPrototypeIncludes) { |
if (args.length() < 2) return isolate->heap()->false_value(); |
int64_t len = array->length_value(); |
- |
if (len == 0) return isolate->heap()->false_value(); |
int64_t index = 0; |
@@ -487,5 +486,32 @@ BUILTIN(TypedArrayPrototypeIncludes) { |
return *isolate->factory()->ToBoolean(result.FromJust()); |
} |
+BUILTIN(TypedArrayPrototypeIndexOf) { |
+ HandleScope scope(isolate); |
+ |
+ Handle<JSTypedArray> array; |
+ const char* method = "%TypedArray%.prototype.indexOf"; |
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
+ isolate, array, JSTypedArray::Validate(isolate, args.receiver(), method)); |
+ |
+ int64_t len = array->length_value(); |
+ if (len == 0) return Smi::FromInt(-1); |
+ |
+ int64_t index = 0; |
+ if (args.length() > 2) { |
+ Handle<Object> num; |
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
+ isolate, num, Object::ToInteger(isolate, args.at<Object>(2))); |
+ index = CapRelativeIndex(num, 0, len); |
+ } |
+ |
Camillo Bruni
2017/03/07 08:45:34
Could you do the IsNeutered check here?
Ultimatel
Choongwoo Han
2017/03/07 09:29:35
Done. I also added neutering check for TA.p.includ
|
+ Handle<Object> search_element = args.at<Object>(1); |
+ ElementsAccessor* elements = array->GetElementsAccessor(); |
+ Maybe<int64_t> result = elements->IndexOfValue(isolate, array, search_element, |
+ static_cast<uint32_t>(index), |
+ static_cast<uint32_t>(len)); |
+ return *isolate->factory()->NewNumberFromInt64(result.FromJust()); |
+} |
+ |
} // namespace internal |
} // namespace v8 |