Reland "Wrap v8natives.js into a function."

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index d163f5e23218b1f8946d602b7a0e19ce0e72d12f..9c822b266b7c2e4607c41e718e3edcc62d45addc 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -2,16 +2,44 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// This file relies on the fact that the following declarations have been made
-// in runtime.js:
-// var $Object = global.Object;
-// var $Boolean = global.Boolean;
-// var $Number = global.Number;
-// var $Function = global.Function;
-// var $Array = global.Array;
-
-var $isNaN = GlobalIsNaN;
-var $isFinite = GlobalIsFinite;
+var $delete;
+var $functionSourceString;
+var $getIterator;
+var $getMethod;
+var $globalEval;
+var $installConstants;
+var $installFunctions;
+var $installGetter;
+var $isFinite;
+var $isNaN;
+var $newFunctionString;
+var $numberIsNaN;
+var $objectDefineProperties;
+var $objectDefineProperty;
+var $objectFreeze;
+var $objectGetOwnPropertyDescriptor;
+var $objectGetOwnPropertyKeys;
+var $objectHasOwnProperty;
+var $objectIsFrozen;
+var $objectIsSealed;
+var $objectLookupGetter;
+var $objectLookupSetter;
+var $objectToString;
+var $overrideFunction;
+var $setFunctionName;
+var $setUpLockedPrototype;
+var $toCompletePropertyDescriptor;
+var $toNameArray;
+
+(function() {
+
+%CheckIsBootstrapping();
+
+var GlobalArray = global.Array;
+var GlobalBoolean = global.Boolean;
+var GlobalFunction = global.Function;
+var GlobalNumber = global.Number;
+var GlobalObject = global.Object;
 
 // ----------------------------------------------------------------------------
 
@@ -195,44 +223,31 @@ function GlobalEval(x) {
 // ----------------------------------------------------------------------------
 
 // Set up global object.
-function SetUpGlobal() {
-  %CheckIsBootstrapping();
-
-  var attributes = DONT_ENUM | DONT_DELETE | READ_ONLY;
+var attributes = DONT_ENUM | DONT_DELETE | READ_ONLY;
 
+InstallConstants(global, [
   // ECMA 262 - 15.1.1.1.
-  %AddNamedProperty(global, "NaN", NAN, attributes);
-
+  "NaN", NAN,
   // ECMA-262 - 15.1.1.2.
-  %AddNamedProperty(global, "Infinity", INFINITY, attributes);
-
-  // ECMA-262 - 15.1.1.3.
-  %AddNamedProperty(global, "undefined", UNDEFINED, attributes);
-
-  // Set up non-enumerable function on the global object.
-  InstallFunctions(global, DONT_ENUM, [
-    "isNaN", GlobalIsNaN,
-    "isFinite", GlobalIsFinite,
-    "parseInt", GlobalParseInt,
-    "parseFloat", GlobalParseFloat,
-    "eval", GlobalEval
-  ]);
-}
+  "Infinity", INFINITY,
+  // ECMA-262 - 15.1.1.2.
+  "undefined", UNDEFINED,
+]);
 
-SetUpGlobal();
+// Set up non-enumerable function on the global object.
+InstallFunctions(global, DONT_ENUM, [
+  "isNaN", GlobalIsNaN,
+  "isFinite", GlobalIsFinite,
+  "parseInt", GlobalParseInt,
+  "parseFloat", GlobalParseFloat,
+  "eval", GlobalEval
+]);
 
 
 // ----------------------------------------------------------------------------
 // Object
 
 // ECMA-262 - 15.2.4.2
-function NoSideEffectsObjectToString() {
-  if (IS_UNDEFINED(this) && !IS_UNDETECTABLE(this)) return "[object Undefined]";
-  if (IS_NULL(this)) return "[object Null]";
-  return "[object " + %_ClassOf(TO_OBJECT_INLINE(this)) + "]";
-}
-
-
 function ObjectToString() {
   if (IS_UNDEFINED(this) && !IS_UNDETECTABLE(this)) return "[object Undefined]";
   if (IS_NULL(this)) return "[object Null]";
@@ -242,7 +257,7 @@ function ObjectToString() {
 
   // TODO(caitp): cannot wait to get rid of this flag :>
   if (harmony_tostring) {
-    var tag = O[symbolToStringTag];
+    tag = O[symbolToStringTag];
     if (!IS_STRING(tag)) {
       tag = builtinTag;
     }
@@ -411,7 +426,7 @@ function FromPropertyDescriptor(desc) {
 // Harmony Proxies
 function FromGenericPropertyDescriptor(desc) {
   if (IS_UNDEFINED(desc)) return desc;
-  var obj = new $Object();
+  var obj = new GlobalObject();
 
   if (desc.hasValue()) {
     %AddNamedProperty(obj, "value", desc.getValue(), NONE);
@@ -1040,7 +1055,7 @@ function ToNameArray(obj, trap, includeSymbols) {
     throw MakeTypeError(kProxyNonObjectPropNames, trap, obj);
   }
   var n = ToUint32(obj.length);
-  var array = new $Array(n);
+  var array = new GlobalArray(n);
   var realLength = 0;
   var names = { __proto__: null };  // TODO(rossberg): use sets once ready.
   for (var index = 0; index < n; index++) {
@@ -1249,8 +1264,8 @@ function ProxyFix(obj) {
     %SetCode(obj, code);
     // TODO(rossberg): What about length and other properties? Not specified.
     // We just put in some half-reasonable defaults for now.
-    var prototype = new $Object();
-    $Object.defineProperty(prototype, "constructor",
+    var prototype = new GlobalObject();
+    ObjectDefineProperty(prototype, "constructor",
       {value: obj, writable: true, enumerable: false, configurable: true});
     // TODO(v8:1530): defineProperty does not handle prototype and length.
     %FunctionSetPrototype(obj, prototype);
@@ -1415,54 +1430,49 @@ function ObjectConstructor(x) {
 // ----------------------------------------------------------------------------
 // Object
 
-function SetUpObject() {
-  %CheckIsBootstrapping();
-
-  %SetNativeFlag($Object);
-  %SetCode($Object, ObjectConstructor);
-
-  %AddNamedProperty($Object.prototype, "constructor", $Object, DONT_ENUM);
-
-  // Set up non-enumerable functions on the Object.prototype object.
-  InstallFunctions($Object.prototype, DONT_ENUM, [
-    "toString", ObjectToString,
-    "toLocaleString", ObjectToLocaleString,
-    "valueOf", ObjectValueOf,
-    "hasOwnProperty", ObjectHasOwnProperty,
-    "isPrototypeOf", ObjectIsPrototypeOf,
-    "propertyIsEnumerable", ObjectPropertyIsEnumerable,
-    "__defineGetter__", ObjectDefineGetter,
-    "__lookupGetter__", ObjectLookupGetter,
-    "__defineSetter__", ObjectDefineSetter,
-    "__lookupSetter__", ObjectLookupSetter
-  ]);
-  InstallGetterSetter($Object.prototype, "__proto__",
-                      ObjectGetProto, ObjectSetProto);
-
-  // Set up non-enumerable functions in the Object object.
-  InstallFunctions($Object, DONT_ENUM, [
-    "keys", ObjectKeys,
-    "create", ObjectCreate,
-    "defineProperty", ObjectDefineProperty,
-    "defineProperties", ObjectDefineProperties,
-    "freeze", ObjectFreezeJS,
-    "getPrototypeOf", ObjectGetPrototypeOf,
-    "setPrototypeOf", ObjectSetPrototypeOf,
-    "getOwnPropertyDescriptor", ObjectGetOwnPropertyDescriptor,
-    "getOwnPropertyNames", ObjectGetOwnPropertyNames,
-    // getOwnPropertySymbols is added in symbol.js.
-    "is", ObjectIs,
-    "isExtensible", ObjectIsExtensible,
-    "isFrozen", ObjectIsFrozen,
-    "isSealed", ObjectIsSealed,
-    "preventExtensions", ObjectPreventExtension,
-    "seal", ObjectSealJS
-    // deliverChangeRecords, getNotifier, observe and unobserve are added
-    // in object-observe.js.
-  ]);
-}
-
-SetUpObject();
+%SetNativeFlag(GlobalObject);
+%SetCode(GlobalObject, ObjectConstructor);
+
+%AddNamedProperty(GlobalObject.prototype, "constructor", GlobalObject,
+                  DONT_ENUM);
+
+// Set up non-enumerable functions on the Object.prototype object.
+InstallFunctions(GlobalObject.prototype, DONT_ENUM, [
+  "toString", ObjectToString,
+  "toLocaleString", ObjectToLocaleString,
+  "valueOf", ObjectValueOf,
+  "hasOwnProperty", ObjectHasOwnProperty,
+  "isPrototypeOf", ObjectIsPrototypeOf,
+  "propertyIsEnumerable", ObjectPropertyIsEnumerable,
+  "__defineGetter__", ObjectDefineGetter,
+  "__lookupGetter__", ObjectLookupGetter,
+  "__defineSetter__", ObjectDefineSetter,
+  "__lookupSetter__", ObjectLookupSetter
+]);
+InstallGetterSetter(GlobalObject.prototype, "__proto__", ObjectGetProto,
+                    ObjectSetProto);
+
+// Set up non-enumerable functions in the Object object.
+InstallFunctions(GlobalObject, DONT_ENUM, [
+  "keys", ObjectKeys,
+  "create", ObjectCreate,
+  "defineProperty", ObjectDefineProperty,
+  "defineProperties", ObjectDefineProperties,
+  "freeze", ObjectFreezeJS,
+  "getPrototypeOf", ObjectGetPrototypeOf,
+  "setPrototypeOf", ObjectSetPrototypeOf,
+  "getOwnPropertyDescriptor", ObjectGetOwnPropertyDescriptor,
+  "getOwnPropertyNames", ObjectGetOwnPropertyNames,
+  // getOwnPropertySymbols is added in symbol.js.
+  "is", ObjectIs,
+  "isExtensible", ObjectIsExtensible,
+  "isFrozen", ObjectIsFrozen,
+  "isSealed", ObjectIsSealed,
+  "preventExtensions", ObjectPreventExtension,
+  "seal", ObjectSealJS
+  // deliverChangeRecords, getNotifier, observe and unobserve are added
+  // in object-observe.js.
+]);
 
 
 // ----------------------------------------------------------------------------
@@ -1503,20 +1513,15 @@ function BooleanValueOf() {
 
 // ----------------------------------------------------------------------------
 
-function SetUpBoolean () {
-  %CheckIsBootstrapping();
-
-  %SetCode($Boolean, BooleanConstructor);
-  %FunctionSetPrototype($Boolean, new $Boolean(false));
-  %AddNamedProperty($Boolean.prototype, "constructor", $Boolean, DONT_ENUM);
+%SetCode(GlobalBoolean, BooleanConstructor);
+%FunctionSetPrototype(GlobalBoolean, new GlobalBoolean(false));
+%AddNamedProperty(GlobalBoolean.prototype, "constructor", GlobalBoolean,
+                  DONT_ENUM);
 
-  InstallFunctions($Boolean.prototype, DONT_ENUM, [
-    "toString", BooleanToString,
-    "valueOf", BooleanValueOf
-  ]);
-}
-
-SetUpBoolean();
+InstallFunctions(GlobalBoolean.prototype, DONT_ENUM, [
+  "toString", BooleanToString,
+  "valueOf", BooleanValueOf
+]);
 
 
 // ----------------------------------------------------------------------------
@@ -1672,7 +1677,9 @@ function NumberIsNaN(number) {
 function NumberIsSafeInteger(number) {
   if (NumberIsFinite(number)) {
     var integral = TO_INTEGER(number);
-    if (integral == number) return $abs(integral) <= $Number.MAX_SAFE_INTEGER;
+    if (integral == number) {
+      return $abs(integral) <= GlobalNumber.MAX_SAFE_INTEGER;
+    }
   }
   return false;
 }
@@ -1680,59 +1687,54 @@ function NumberIsSafeInteger(number) {
 
 // ----------------------------------------------------------------------------
 
-function SetUpNumber() {
-  %CheckIsBootstrapping();
+%SetCode(GlobalNumber, NumberConstructor);
+%FunctionSetPrototype(GlobalNumber, new GlobalNumber(0));
+
+%OptimizeObjectForAddingMultipleProperties(GlobalNumber.prototype, 8);
+// Set up the constructor property on the Number prototype object.
+%AddNamedProperty(GlobalNumber.prototype, "constructor", GlobalNumber,
+                  DONT_ENUM);
+
+InstallConstants(GlobalNumber, [
+  // ECMA-262 section 15.7.3.1.
+  "MAX_VALUE", 1.7976931348623157e+308,
+  // ECMA-262 section 15.7.3.2.
+  "MIN_VALUE", 5e-324,
+  // ECMA-262 section 15.7.3.3.
+  "NaN", NAN,
+  // ECMA-262 section 15.7.3.4.
+  "NEGATIVE_INFINITY", -INFINITY,
+  // ECMA-262 section 15.7.3.5.
+  "POSITIVE_INFINITY", INFINITY,
+
+  // --- Harmony constants (no spec refs until settled.)
+
+  "MAX_SAFE_INTEGER", %_MathPow(2, 53) - 1,
+  "MIN_SAFE_INTEGER", -%_MathPow(2, 53) + 1,
+  "EPSILON", %_MathPow(2, -52)
+]);
 
-  %SetCode($Number, NumberConstructor);
-  %FunctionSetPrototype($Number, new $Number(0));
-
-  %OptimizeObjectForAddingMultipleProperties($Number.prototype, 8);
-  // Set up the constructor property on the Number prototype object.
-  %AddNamedProperty($Number.prototype, "constructor", $Number, DONT_ENUM);
-
-  InstallConstants($Number, [
-    // ECMA-262 section 15.7.3.1.
-    "MAX_VALUE", 1.7976931348623157e+308,
-    // ECMA-262 section 15.7.3.2.
-    "MIN_VALUE", 5e-324,
-    // ECMA-262 section 15.7.3.3.
-    "NaN", NAN,
-    // ECMA-262 section 15.7.3.4.
-    "NEGATIVE_INFINITY", -INFINITY,
-    // ECMA-262 section 15.7.3.5.
-    "POSITIVE_INFINITY", INFINITY,
-
-    // --- Harmony constants (no spec refs until settled.)
-
-    "MAX_SAFE_INTEGER", %_MathPow(2, 53) - 1,
-    "MIN_SAFE_INTEGER", -%_MathPow(2, 53) + 1,
-    "EPSILON", %_MathPow(2, -52)
-  ]);
-
-  // Set up non-enumerable functions on the Number prototype object.
-  InstallFunctions($Number.prototype, DONT_ENUM, [
-    "toString", NumberToStringJS,
-    "toLocaleString", NumberToLocaleString,
-    "valueOf", NumberValueOf,
-    "toFixed", NumberToFixedJS,
-    "toExponential", NumberToExponentialJS,
-    "toPrecision", NumberToPrecisionJS
-  ]);
-
-  // Harmony Number constructor additions
-  InstallFunctions($Number, DONT_ENUM, [
-    "isFinite", NumberIsFinite,
-    "isInteger", NumberIsInteger,
-    "isNaN", NumberIsNaN,
-    "isSafeInteger", NumberIsSafeInteger,
-    "parseInt", GlobalParseInt,
-    "parseFloat", GlobalParseFloat
-  ]);
-
-  %SetInlineBuiltinFlag(NumberIsNaN);
-}
-
-SetUpNumber();
+// Set up non-enumerable functions on the Number prototype object.
+InstallFunctions(GlobalNumber.prototype, DONT_ENUM, [
+  "toString", NumberToStringJS,
+  "toLocaleString", NumberToLocaleString,
+  "valueOf", NumberValueOf,
+  "toFixed", NumberToFixedJS,
+  "toExponential", NumberToExponentialJS,
+  "toPrecision", NumberToPrecisionJS
+]);
+
+// Harmony Number constructor additions
+InstallFunctions(GlobalNumber, DONT_ENUM, [
+  "isFinite", NumberIsFinite,
+  "isInteger", NumberIsInteger,
+  "isNaN", NumberIsNaN,
+  "isSafeInteger", NumberIsSafeInteger,
+  "parseInt", GlobalParseInt,
+  "parseFloat", GlobalParseFloat
+]);
+
+%SetInlineBuiltinFlag(NumberIsNaN);
 
 
 // ----------------------------------------------------------------------------
@@ -1850,13 +1852,13 @@ function FunctionBind(this_arg) { // Length is 1.
 }
 
 
-function NewFunctionString(arguments, function_token) {
-  var n = arguments.length;
+function NewFunctionString(args, function_token) {
+  var n = args.length;
   var p = '';
   if (n > 1) {
-    p = ToString(arguments[0]);
+    p = ToString(args[0]);
     for (var i = 1; i < n - 1; i++) {
-      p += ',' + ToString(arguments[i]);
+      p += ',' + ToString(args[i]);
     }
     // If the formal parameters string include ) - an illegal
     // character - it may make the combined function expression
@@ -1869,7 +1871,7 @@ function NewFunctionString(arguments, function_token) {
     // comments we can include a trailing block comment to catch this.
     p += '\n/' + '**/';
   }
-  var body = (n > 0) ? ToString(arguments[n - 1]) : '';
+  var body = (n > 0) ? ToString(args[n - 1]) : '';
   return '(' + function_token + '(' + p + ') {\n' + body + '\n})';
 }
 
@@ -1887,20 +1889,14 @@ function FunctionConstructor(arg1) {  // length == 1
 
 // ----------------------------------------------------------------------------
 
-function SetUpFunction() {
-  %CheckIsBootstrapping();
-
-  %SetCode($Function, FunctionConstructor);
-  %AddNamedProperty($Function.prototype, "constructor", $Function, DONT_ENUM);
-
-  InstallFunctions($Function.prototype, DONT_ENUM, [
-    "bind", FunctionBind,
-    "toString", FunctionToString
-  ]);
-}
-
-SetUpFunction();
+%SetCode(GlobalFunction, FunctionConstructor);
+%AddNamedProperty(GlobalFunction.prototype, "constructor", GlobalFunction,
+                  DONT_ENUM);
 
+InstallFunctions(GlobalFunction.prototype, DONT_ENUM, [
+  "bind", FunctionBind,
+  "toString", FunctionToString
+]);
 
 // ----------------------------------------------------------------------------
 // Iterator related spec functions.
@@ -1920,3 +1916,36 @@ function GetIterator(obj, method) {
   }
   return iterator;
 }
+
+//----------------------------------------------------------------------------
+
+$delete = Delete;
+$functionSourceString = FunctionSourceString;
+$getIterator = GetIterator;
+$getMethod = GetMethod;
+$globalEval = GlobalEval;
+$installConstants = InstallConstants;
+$installFunctions = InstallFunctions;
+$installGetter = InstallGetter;
+$isFinite = GlobalIsFinite;
+$isNaN = GlobalIsNaN;
+$newFunctionString = NewFunctionString;
+$numberIsNaN = NumberIsNaN;
+$objectDefineProperties = ObjectDefineProperties;
+$objectDefineProperty = ObjectDefineProperty;
+$objectFreeze = ObjectFreezeJS;
+$objectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;
+$objectGetOwnPropertyKeys = ObjectGetOwnPropertyKeys;
+$objectHasOwnProperty = ObjectHasOwnProperty;
+$objectIsFrozen = ObjectIsFrozen;
+$objectIsSealed = ObjectIsSealed;
+$objectLookupGetter = ObjectLookupGetter;
+$objectLookupSetter = ObjectLookupSetter;
+$objectToString = ObjectToString;
+$overrideFunction = OverrideFunction;
+$setFunctionName = SetFunctionName;
+$setUpLockedPrototype = SetUpLockedPrototype;
+$toCompletePropertyDescriptor = ToCompletePropertyDescriptor;
+$toNameArray = ToNameArray;
+
+})();