Use shared container to manage imports/exports.

src/v8natives.js

 // Copyright 2012 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.
 
 var $delete;
 var $functionSourceString;
 var $getIterator;
 var $getMethod;
 var $globalEval;
 var $installConstants;
@@ skipping 14 matching lines @@
 var $objectLookupGetter;
 var $objectLookupSetter;
 var $objectToString;
 var $overrideFunction;
 var $ownPropertyKeys;
 var $setFunctionName;
 var $setUpLockedPrototype;
 var $toCompletePropertyDescriptor;
 var $toNameArray;
 
-(function(global, shared, exports) {
+(function(global, utils) {
 
 %CheckIsBootstrapping();
 
 // ----------------------------------------------------------------------------
 // Imports
 
 var GlobalArray = global.Array;
 var GlobalBoolean = global.Boolean;
 var GlobalFunction = global.Function;
 var GlobalNumber = global.Number;
 var GlobalObject = global.Object;
-var InternalArray = shared.InternalArray;
+var InternalArray = utils.InternalArray;
+
+var MathAbs;
+var StringIndexOf;
+
+utils.Import(function(from) {
+  MathAbs = from.MathAbs;
+  StringIndexOf = from.StringIndexOf;
+});
 
 // ----------------------------------------------------------------------------
 
 // ES6 - 9.2.11 SetFunctionName
 function SetFunctionName(f, name, prefix) {
   if (IS_SYMBOL(name)) {
     name = "[" + %SymbolDescription(name) + "]";
   }
   if (IS_UNDEFINED(prefix)) {
     %FunctionSetName(f, name);
@@ skipping 1632 matching lines @@
 function NumberIsNaN(number) {
   return IS_NUMBER(number) && NUMBER_IS_NAN(number);
 }
 
 
 // Harmony isSafeInteger
 function NumberIsSafeInteger(number) {
   if (NumberIsFinite(number)) {
     var integral = TO_INTEGER(number);
     if (integral == number) {
-      return $abs(integral) <= GlobalNumber.MAX_SAFE_INTEGER;
+      return MathAbs(integral) <= GlobalNumber.MAX_SAFE_INTEGER;
     }
   }
   return false;
 }
 
 
 // ----------------------------------------------------------------------------
 
 %SetCode(GlobalNumber, NumberConstructor);
 %FunctionSetPrototype(GlobalNumber, new GlobalNumber(0));
@@ skipping 164 matching lines @@
   var n = args.length;
   var p = '';
   if (n > 1) {
     p = $toString(args[0]);
     for (var i = 1; i < n - 1; i++) {
       p += ',' + $toString(args[i]);
     }
     // If the formal parameters string include ) - an illegal
     // character - it may make the combined function expression
     // compile. We avoid this problem by checking for this early on.
-    if (%_CallFunction(p, ')', $stringIndexOf) != -1) {
+    if (%_CallFunction(p, ')', StringIndexOf) != -1) {
       throw MakeSyntaxError(kParenthesisInArgString);
     }
     // If the formal parameters include an unbalanced block comment, the
     // function must be rejected. Since JavaScript does not allow nested
     // comments we can include a trailing block comment to catch this.
     p += '\n/' + '**/';
   }
   var body = (n > 0) ? $toString(args[n - 1]) : '';
   return '(' + function_token + '(' + p + ') {\n' + body + '\n})';
 }
@@ skipping 66 matching lines @@
 $objectLookupSetter = ObjectLookupSetter;
 $objectToString = ObjectToString;
 $overrideFunction = OverrideFunction;
 $ownPropertyKeys = OwnPropertyKeys;
 $setFunctionName = SetFunctionName;
 $setUpLockedPrototype = SetUpLockedPrototype;
 $toCompletePropertyDescriptor = ToCompletePropertyDescriptor;
 $toNameArray = ToNameArray;
 
 })