[es6] Initial steps towards a correct implementation of IsCallable.

src/harmony-array.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils) {
 
 'use strict';
 
 %CheckIsBootstrapping();
 
@@ skipping 73 matching lines @@
 function ArrayCopyWithin(target, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.copyWithin");
 
   var array = TO_OBJECT(this);
   var length = $toLength(array.length);
 
   return InnerArrayCopyWithin(target, start, end, array, length);
 }
 
 function InnerArrayFind(predicate, thisArg, array, length) {
-  if (!IS_SPEC_FUNCTION(predicate)) {
+  if (!IS_CALLABLE(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   var needs_wrapper = false;
   if (IS_NULL(thisArg)) {
     if (%IsSloppyModeFunction(predicate)) thisArg = UNDEFINED;
   } else if (!IS_UNDEFINED(thisArg)) {
     needs_wrapper = SHOULD_CREATE_WRAPPER(predicate, thisArg);
   }
 
@@ skipping 12 matching lines @@
 function ArrayFind(predicate, thisArg) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.find");
 
   var array = TO_OBJECT(this);
   var length = $toInteger(array.length);
 
   return InnerArrayFind(predicate, thisArg, array, length);
 }
 
 function InnerArrayFindIndex(predicate, thisArg, array, length) {
-  if (!IS_SPEC_FUNCTION(predicate)) {
+  if (!IS_CALLABLE(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   var needs_wrapper = false;
   if (IS_NULL(thisArg)) {
     if (%IsSloppyModeFunction(predicate)) thisArg = UNDEFINED;
   } else if (!IS_UNDEFINED(thisArg)) {
     needs_wrapper = SHOULD_CREATE_WRAPPER(predicate, thisArg);
   }
 
@@ skipping 65 matching lines @@
     });
   }
 }
 
 // ES6, draft 10-14-14, section 22.1.2.1
 function ArrayFrom(arrayLike, mapfn, receiver) {
   var items = TO_OBJECT(arrayLike);
   var mapping = !IS_UNDEFINED(mapfn);
 
   if (mapping) {
-    if (!IS_SPEC_FUNCTION(mapfn)) {
+    if (!IS_CALLABLE(mapfn)) {
       throw MakeTypeError(kCalledNonCallable, mapfn);
     } else if (%IsSloppyModeFunction(mapfn)) {
       if (IS_NULL(receiver)) {
         receiver = UNDEFINED;
       } else if (!IS_UNDEFINED(receiver)) {
         receiver = TO_OBJECT(receiver);
       }
     }
   }
 
@@ skipping 89 matching lines @@
 
 utils.Export(function(to) {
   to.ArrayFrom = ArrayFrom;
   to.InnerArrayCopyWithin = InnerArrayCopyWithin;
   to.InnerArrayFill = InnerArrayFill;
   to.InnerArrayFind = InnerArrayFind;
   to.InnerArrayFindIndex = InnerArrayFindIndex;
 });
 
 })