Move global code for builtins into setup functions.

src/math.js

 // Copyright 2012 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 $Object = global.Object;
 
 // Keep reference to original values of some global properties.  This
 // has the added benefit that the code in this file is isolated from
 // changes to these properties.
 var $floor = MathFloor;
 var $abs = MathAbs;
 
 // Instance class name can only be set on functions. That is the only
 // purpose for MathConstructor.
 function MathConstructor() {}
-%FunctionSetInstanceClassName(MathConstructor, 'Math');
 var $Math = new MathConstructor();
-%SetPrototype($Math, $Object.prototype);
-%SetProperty(global, "Math", $Math, DONT_ENUM);
+
+// -------------------------------------------------------------------
 
 // ECMA 262 - 15.8.2.1
 function MathAbs(x) {
   if (%_IsSmi(x)) return x >= 0 ? x : -x;
   if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   if (x === 0) return 0;  // To handle -0.
   return x > 0 ? x : -x;
 }
 
 // ECMA 262 - 15.8.2.2
@@ skipping 157 matching lines @@
 function MathTan(x) {
   if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %_MathTan(x);
 }
 
 
 // -------------------------------------------------------------------
 
 function SetUpMath() {
   %CheckIsBootstrapping();
+
+  %SetPrototype($Math, $Object.prototype);
+  %SetProperty(global, "Math", $Math, DONT_ENUM);
+  %FunctionSetInstanceClassName(MathConstructor, 'Math');
+
   // Set up math constants.
   // ECMA-262, section 15.8.1.1.
   %OptimizeObjectForAddingMultipleProperties($Math, 8);
   %SetProperty($Math,
                "E",
                2.7182818284590452354,
                DONT_ENUM |  DONT_DELETE | READ_ONLY);
   // ECMA-262, section 15.8.1.2.
   %SetProperty($Math,
                "LN10",
@@ skipping 45 matching lines @@
     "sqrt", MathSqrt,
     "tan", MathTan,
     "atan2", MathAtan2,
     "pow", MathPow,
     "max", MathMax,
     "min", MathMin
   ));
 }
 
 SetUpMath();