Separate JSON parsing from the JavaScript parser.

src/v8natives.js

 // Copyright 2006-2008 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
@@ skipping 122 matching lines @@
 
   var global_receiver = %GlobalReceiver(global);
   var this_is_global_receiver = (this === global_receiver);
   var global_is_detached = (global === global_receiver);
 
   if (!this_is_global_receiver || global_is_detached) {
     throw new $EvalError('The "this" object passed to eval must ' +
                          'be the global object from which eval originated');
   }
 
-  var f = %CompileString(x, false);
+  var f = %CompileString(x);
   if (!IS_FUNCTION(f)) return f;
 
   return f.call(this);
 }
 
 
 // execScript for IE compatibility.
 function GlobalExecScript(expr, lang) {
   // NOTE: We don't care about the character casing.
   if (!lang || /javascript/i.test(lang)) {
-    var f = %CompileString(ToString(expr), false);
+    var f = %CompileString(ToString(expr));
     f.call(%GlobalReceiver(global));
   }
   return null;
 }
 
 
 // ----------------------------------------------------------------------------
 
 
 function SetupGlobal() {
@@ skipping 1005 matching lines @@
     // 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 (p.indexOf(')') != -1) throw MakeSyntaxError('unable_to_parse',[]);
   }
   var body = (n > 0) ? ToString(%_Arguments(n - 1)) : '';
   var source = '(function(' + p + ') {\n' + body + '\n})';
 
   // The call to SetNewFunctionAttributes will ensure the prototype
   // property of the resulting function is enumerable (ECMA262, 15.3.5.2).
-  var f = %CompileString(source, false)();
+  var f = %CompileString(source)();
   %FunctionSetName(f, "anonymous");
   return %SetNewFunctionAttributes(f);
 }
 
 %SetCode($Function, NewFunction);
 
 // ----------------------------------------------------------------------------
 
 function SetupFunction() {
   InstallFunctions($Function.prototype, DONT_ENUM, $Array(
     "bind", FunctionBind,
     "toString", FunctionToString
   ));
 }
 
 SetupFunction();