Wrap v8natives.js into a function.

src/typedarray.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() {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
 var GlobalArray = global.Array;
 var GlobalArrayBuffer = global.ArrayBuffer;
+var GlobalDataView = global.DataView;
+var GlobalObject = global.Object;
 
-// --------------- Typed Arrays ---------------------
 macro TYPED_ARRAYS(FUNCTION)
 // arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
 FUNCTION(1, Uint8Array, 1)
 FUNCTION(2, Int8Array, 1)
 FUNCTION(3, Uint16Array, 2)
 FUNCTION(4, Int16Array, 2)
 FUNCTION(5, Uint32Array, 4)
 FUNCTION(6, Int32Array, 4)
 FUNCTION(7, Float32Array, 4)
 FUNCTION(8, Float64Array, 8)
 FUNCTION(9, Uint8ClampedArray, 1)
 endmacro
 
+macro DECLARE_GLOBALS(INDEX, NAME, SIZE)
+var GlobalNAME = global.NAME;
+endmacro
+
+TYPED_ARRAYS(DECLARE_GLOBALS)
+
+// --------------- Typed Arrays ---------------------
+
 macro TYPED_ARRAY_CONSTRUCTOR(ARRAY_ID, NAME, ELEMENT_SIZE)
 function NAMEConstructByArrayBuffer(obj, buffer, byteOffset, length) {
   if (!IS_UNDEFINED(byteOffset)) {
       byteOffset =
           ToPositiveInteger(byteOffset,  "invalid_typed_array_length");
   }
   if (!IS_UNDEFINED(length)) {
       length = ToPositiveInteger(length, "invalid_typed_array_length");
   }
 
@@ skipping 100 matching lines @@
   return %_ArrayBufferViewGetByteOffset(this);
 }
 
 function NAME_GetLength() {
   if (!(%_ClassOf(this) === 'NAME')) {
     throw MakeTypeError(kIncompatibleMethodReceiver, "NAME.length", this);
   }
   return %_TypedArrayGetLength(this);
 }
 
-var $NAME = global.NAME;
-
 function NAMESubArray(begin, end) {
   if (!(%_ClassOf(this) === 'NAME')) {
     throw MakeTypeError(kIncompatibleMethodReceiver, "NAME.subarray", this);
   }
   var beginInt = TO_INTEGER(begin);
   if (!IS_UNDEFINED(end)) {
     end = TO_INTEGER(end);
   }
 
   var srcLength = %_TypedArrayGetLength(this);
   if (beginInt < 0) {
     beginInt = $max(0, srcLength + beginInt);
   } else {
     beginInt = $min(srcLength, beginInt);
   }
 
   var endInt = IS_UNDEFINED(end) ? srcLength : end;
   if (endInt < 0) {
     endInt = $max(0, srcLength + endInt);
   } else {
     endInt = $min(endInt, srcLength);
   }
   if (endInt < beginInt) {
     endInt = beginInt;
   }
   var newLength = endInt - beginInt;
   var beginByteOffset =
       %_ArrayBufferViewGetByteOffset(this) + beginInt * ELEMENT_SIZE;
-  return new $NAME(%TypedArrayGetBuffer(this),
-                   beginByteOffset, newLength);
+  return new GlobalNAME(%TypedArrayGetBuffer(this),
+                        beginByteOffset, newLength);
 }
 endmacro
 
 TYPED_ARRAYS(TYPED_ARRAY_CONSTRUCTOR)
 
 
 function TypedArraySetFromArrayLike(target, source, sourceLength, offset) {
   if (offset > 0) {
     for (var i = 0; i < sourceLength; i++) {
       target[offset + i] = source[i];
@@ skipping 100 matching lines @@
 function TypedArrayGetToStringTag() {
   if (!%IsTypedArray(this)) return;
   var name = %_ClassOf(this);
   if (IS_UNDEFINED(name)) return;
   return name;
 }
 
 // -------------------------------------------------------------------
 
 macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
-  %SetCode(global.NAME, NAMEConstructor);
-  %FunctionSetPrototype(global.NAME, new $Object());
+  %SetCode(GlobalNAME, NAMEConstructor);
+  %FunctionSetPrototype(GlobalNAME, new GlobalObject());
 
-  %AddNamedProperty(global.NAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
+  %AddNamedProperty(GlobalNAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
                     READ_ONLY | DONT_ENUM | DONT_DELETE);
-  %AddNamedProperty(global.NAME.prototype,
+  %AddNamedProperty(GlobalNAME.prototype,
                     "constructor", global.NAME, DONT_ENUM);
-  %AddNamedProperty(global.NAME.prototype,
+  %AddNamedProperty(GlobalNAME.prototype,
                     "BYTES_PER_ELEMENT", ELEMENT_SIZE,
                     READ_ONLY | DONT_ENUM | DONT_DELETE);
-  InstallGetter(global.NAME.prototype, "buffer", NAME_GetBuffer);
-  InstallGetter(global.NAME.prototype, "byteOffset", NAME_GetByteOffset,
-      DONT_ENUM | DONT_DELETE);
-  InstallGetter(global.NAME.prototype, "byteLength", NAME_GetByteLength,
-      DONT_ENUM | DONT_DELETE);
-  InstallGetter(global.NAME.prototype, "length", NAME_GetLength,
-      DONT_ENUM | DONT_DELETE);
-  InstallGetter(global.NAME.prototype, symbolToStringTag,
-                TypedArrayGetToStringTag);
-  InstallFunctions(global.NAME.prototype, DONT_ENUM, [
+  $installGetter(GlobalNAME.prototype, "buffer", NAME_GetBuffer);
+  $installGetter(GlobalNAME.prototype, "byteOffset", NAME_GetByteOffset,
+                 DONT_ENUM | DONT_DELETE);
+  $installGetter(GlobalNAME.prototype, "byteLength", NAME_GetByteLength,
+                 DONT_ENUM | DONT_DELETE);
+  $installGetter(GlobalNAME.prototype, "length", NAME_GetLength,
+                 DONT_ENUM | DONT_DELETE);
+  $installGetter(GlobalNAME.prototype, symbolToStringTag,
+                 TypedArrayGetToStringTag);
+  $installFunctions(GlobalNAME.prototype, DONT_ENUM, [
     "subarray", NAMESubArray,
     "set", TypedArraySet
   ]);
 endmacro
 
 TYPED_ARRAYS(SETUP_TYPED_ARRAY)
 
 // --------------------------- DataView -----------------------------
 
-var $DataView = global.DataView;
-
 function DataViewConstructor(buffer, byteOffset, byteLength) { // length = 3
   if (%_IsConstructCall()) {
     if (!IS_ARRAYBUFFER(buffer)) {
       throw MakeTypeError('data_view_not_array_buffer', []);
     }
     if (!IS_UNDEFINED(byteOffset)) {
         byteOffset = ToPositiveInteger(byteOffset, 'invalid_data_view_offset');
     }
     if (!IS_UNDEFINED(byteLength)) {
         byteLength = TO_INTEGER(byteLength);
@@ skipping 82 matching lines @@
   %DataViewSetTYPENAME(this,
                    ToPositiveDataViewOffset(offset),
                    TO_NUMBER_INLINE(value),
                    !!little_endian);
 }
 endmacro
 
 DATA_VIEW_TYPES(DATA_VIEW_GETTER_SETTER)
 
 // Setup the DataView constructor.
-%SetCode($DataView, DataViewConstructor);
-%FunctionSetPrototype($DataView, new $Object);
+%SetCode(GlobalDataView, DataViewConstructor);
+%FunctionSetPrototype(GlobalDataView, new GlobalObject);
 
 // Set up constructor property on the DataView prototype.
-%AddNamedProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM);
-%AddNamedProperty(
-    $DataView.prototype, symbolToStringTag, "DataView", READ_ONLY|DONT_ENUM);
+%AddNamedProperty(GlobalDataView.prototype, "constructor", GlobalDataView,
+                  DONT_ENUM);
+%AddNamedProperty(GlobalDataView.prototype, symbolToStringTag, "DataView",
+                  READ_ONLY|DONT_ENUM);
 
-InstallGetter($DataView.prototype, "buffer", DataViewGetBufferJS);
-InstallGetter($DataView.prototype, "byteOffset", DataViewGetByteOffset);
-InstallGetter($DataView.prototype, "byteLength", DataViewGetByteLength);
+$installGetter(GlobalDataView.prototype, "buffer", DataViewGetBufferJS);
+$installGetter(GlobalDataView.prototype, "byteOffset", DataViewGetByteOffset);
+$installGetter(GlobalDataView.prototype, "byteLength", DataViewGetByteLength);
 
-InstallFunctions($DataView.prototype, DONT_ENUM, [
+$installFunctions(GlobalDataView.prototype, DONT_ENUM, [
   "getInt8", DataViewGetInt8JS,
   "setInt8", DataViewSetInt8JS,
 
   "getUint8", DataViewGetUint8JS,
   "setUint8", DataViewSetUint8JS,
 
   "getInt16", DataViewGetInt16JS,
   "setInt16", DataViewSetInt16JS,
 
   "getUint16", DataViewGetUint16JS,
   "setUint16", DataViewSetUint16JS,
 
   "getInt32", DataViewGetInt32JS,
   "setInt32", DataViewSetInt32JS,
 
   "getUint32", DataViewGetUint32JS,
   "setUint32", DataViewSetUint32JS,
 
   "getFloat32", DataViewGetFloat32JS,
   "setFloat32", DataViewSetFloat32JS,
 
   "getFloat64", DataViewGetFloat64JS,
   "setFloat64", DataViewSetFloat64JS
 ]);
 
 })();