Move global code for builtins into setup functions.

src/json.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// This file relies on the fact that the following declarations have been made
+// in runtime.js:
+// var $Array = global.Array;
+// var $String = global.String;
+
 var $JSON = global.JSON;
 
+// -------------------------------------------------------------------
+
 function Revive(holder, name, reviver) {
   var val = holder[name];
   if (IS_OBJECT(val)) {
     if (IS_ARRAY(val)) {
       var length = val.length;
       for (var i = 0; i < length; i++) {
         var newElement = Revive(val, $String(i), reviver);
         val[i] = newElement;
       }
     } else {
@@ skipping 160 matching lines @@
     } else {
       gap = space;
     }
   } else {
     gap = "";
   }
   return JSONSerialize('', {'': value}, replacer, new InternalArray(), "", gap);
 }
 
 
+// -------------------------------------------------------------------
+
 function SetUpJSON() {
   %CheckIsBootstrapping();
+
+  // Set up non-enumerable properties of the JSON object.
   InstallFunctions($JSON, DONT_ENUM, $Array(
     "parse", JSONParse,
     "stringify", JSONStringify
   ));
 }
 
+SetUpJSON();
+
+
+// -------------------------------------------------------------------
+// JSON Builtins
 
 function JSONSerializeAdapter(key, object) {
   var holder = {};
   holder[key] = object;
   // No need to pass the actual holder since there is no replacer function.
   return JSONSerialize(key, holder, void 0, new InternalArray(), "", "");
 }
-
-SetUpJSON();