TypedArray.prototype.every method

src/harmony-typedarray.js

Index: src/harmony-typedarray.js
diff --git a/src/harmony-typedarray.js b/src/harmony-typedarray.js
index 9b7cd0debf7f3dc1938b89ab2d18eecb6ef0d155..5b666b5645f09a676b2cf8606f0f5a7b16d266dc 100644
--- a/src/harmony-typedarray.js
+++ b/src/harmony-typedarray.js
@@ -31,6 +31,40 @@ TYPED_ARRAYS(DECLARE_GLOBALS)
 
 macro TYPED_ARRAY_HARMONY_ADDITIONS(ARRAY_ID, NAME, ELEMENT_SIZE)
 
+// ES6 draft 05-05-15, section 22.2.3.7
+function NAMEEvery(f /* thisArg */) {  // length == 1
+  if (!%IsTypedArray(this)) {
+    throw MakeTypeError('not_typed_array', []);
+  }
+  if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
+
+  var length = %_TypedArrayGetLength(this);
+  var receiver;
+
+  if (%_ArgumentsLength() > 1) {
+    receiver = %_Arguments(1);
+  }
+
+  var needs_wrapper = false;
+  if (IS_NULL(receiver)) {
+    if (%IsSloppyModeFunction(mapfn)) receiver = UNDEFINED;
+  } else if (!IS_UNDEFINED(receiver)) {
+    needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver);
+  }
+
+  var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f);
+  for (var i = 0; i < length; i++) {
+    var element = this[i];
+    // Prepare break slots for debugger step in.
+    if (stepping) %DebugPrepareStepInIfStepping(f);
+    var new_receiver = needs_wrapper ? $toObject(receiver) : receiver;
+    if (!%_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f)) {
+      return false;
+    }
+  }
+  return true;
+}
+
 // ES6 draft 08-24-14, section 22.2.3.12
 function NAMEForEach(f /* thisArg */) {  // length == 1
   if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
@@ -83,6 +117,7 @@ macro EXTEND_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
 
   // Set up non-enumerable functions on the prototype object.
   $installFunctions(GlobalNAME.prototype, DONT_ENUM, [
+    "every", NAMEEvery,
     "forEach", NAMEForEach
   ]);
 endmacro