Implement %TypedArray%.{lastI,i}ndexOf

src/harmony-typedarray.js

Index: src/harmony-typedarray.js
diff --git a/src/harmony-typedarray.js b/src/harmony-typedarray.js
index 90679e0c1fe1afffb6b6b7115e93719e02d7b0c1..60bb65a138b6167d9c86fc7a56a1c08236f4b6a0 100644
--- a/src/harmony-typedarray.js
+++ b/src/harmony-typedarray.js
@@ -91,6 +91,29 @@ function TypedArrayFindIndex(predicate, thisArg) {
 %FunctionSetLength(TypedArrayFindIndex, 1);
 
 
+// ES6 draft 05-18-15 section 22.2.3.13

[arv (Not doing code reviews), 2015/05/19 15:10:41]

At this point you can just refer to it as ES6

+function TypedArrayIndexOf(element, index) {
+  if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
+
+  var length = %_TypedArrayGetLength(this);
+
+  return %_CallFunction(this, element, index, length, $innerArrayIndexOf);
+}
+%FunctionSetLength(TypedArrayIndexOf, 1);
+
+
+// ES6 draft 05-18-15 section 22.2.3.16
+function TypedArrayLastIndexOf(element, index) {
+  if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
+
+  var length = %_TypedArrayGetLength(this);
+
+  return %_CallFunction(this, element, index, length,
+                        %_ArgumentsLength(), $innerArrayLastIndexOf);
+}
+%FunctionSetLength(TypedArrayLastIndexOf, 1);
+
+
 // ES6 draft 08-24-14, section 22.2.2.2
 function TypedArrayOf() {
   var length = %_ArgumentsLength();
@@ -140,7 +163,9 @@ macro EXTEND_TYPED_ARRAY(NAME)
     "forEach", TypedArrayForEach,
     "find", TypedArrayFind,
     "findIndex", TypedArrayFindIndex,
-    "fill", TypedArrayFill
+    "fill", TypedArrayFill,
+    "indexOf", TypedArrayIndexOf,
+    "lastIndexOf", TypedArrayLastIndexOf
   ]);
 endmacro