Implement TypedArray.set function.

src/typedarray.js

Index: src/typedarray.js
diff --git a/src/typedarray.js b/src/typedarray.js
index 1a4f46ca65d460dc516a0542fa279443ad92ae4b..707e1f41c6b8b902a814f7be8e004fba4134527f 100644
--- a/src/typedarray.js
+++ b/src/typedarray.js
@@ -145,6 +145,22 @@ function CreateSubArray(elementSize, constructor) {
   }
 }
 
+function TypedArraySet(obj, offset) {
+  var intOffset = IS_UNDEFINED(offset) ? 0 : TO_POSITIVE_INTEGER(offset);
+  if (%TypedArraySetSpecialCases(this, obj, intOffset))
+    return;
+
+  var l = obj.length;
+  if (IS_UNDEFINED(l)) {
+    throw MakeTypeError("invalid_argument");
+  }
+  if (intOffset + l > this.length) {
+    throw MakeRangeError("typed_array_set_source_too_long");
+  }
+  for (var i = 0; i < l; i++) {

[rossberg, 2013/05/07 13:53:23]

Is this function supposed to work with non-typed-array receivers? If so,
wouldn't you need to check for overlap as well? If not, don't you need a type
check here?

[Dmitry Lomov (no reviews), 2013/05/07 14:20:00]

Done. No non-typed-array receivers
On 2013/05/07 13:53:23, rossberg wrote:

+    this[intOffset+i] = obj[i];

[rossberg, 2013/05/07 13:53:23]

Style nit: space around +

[Dmitry Lomov (no reviews), 2013/05/07 14:20:00]

Done.

+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -166,7 +182,8 @@ function SetupTypedArray(arrayId, name, constructor, elementSize) {
   InstallGetter(constructor.prototype, "length", TypedArrayGetLength);
 
   InstallFunctions(constructor.prototype, DONT_ENUM, $Array(
-        "subarray", CreateSubArray(elementSize, constructor)
+        "subarray", CreateSubArray(elementSize, constructor),
+        "set", TypedArraySet
   ));
 }