* Remove non-Open Source code from Douglas Crockford....

src/messages.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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 // -------------------------------------------------------------------
 
 // Lazily initialized.
 var kVowelSounds = 0;
 var kCapitalVowelSounds = 0;
 
+// If this object gets passed to an error constructor the error will
+// get an accessor for .message that constructs a descriptive error
+// message on access.
+var kAddMessageAccessorsMarker = { };
+
 
 function GetInstanceName(cons) {
   if (cons.length == 0) {
     return "";
   }
   var first = %StringToLowerCase(StringCharAt.call(cons, 0));
   if (kVowelSounds === 0) {
     kVowelSounds = {a: true, e: true, i: true, o: true, u: true, y: true};
     kCapitalVowelSounds = {a: true, e: true, i: true, o: true, u: true, h: true,
         f: true, l: true, m: true, n: true, r: true, s: true, x: true, y: true};
@@ skipping 513 matching lines @@
 }
 
 
 function GetStackTraceLine(recv, fun, pos, isGlobal) {
   return FormatSourcePosition(new CallSite(recv, fun, pos));
 }
 
 // ----------------------------------------------------------------------------
 // Error implementation
 
-// If this object gets passed to an error constructor the error will
-// get an accessor for .message that constructs a descriptive error
-// message on access.
-var kAddMessageAccessorsMarker = { };
-
 // Defines accessors for a property that is calculated the first time
 // the property is read.
 function DefineOneShotAccessor(obj, name, fun) {
   // Note that the accessors consistently operate on 'obj', not 'this'.
   // Since the object may occur in someone else's prototype chain we
   // can't rely on 'this' being the same as 'obj'.
   var hasBeenSet = false;
   var value;
   obj.__defineGetter__(name, function () {
     if (hasBeenSet) {
@@ skipping 191 matching lines @@
     lines.push(error.toString());
   } catch (e) {
     try {
       lines.push("<error: " + e + ">");
     } catch (ee) {
       lines.push("<error>");
     }
   }
   for (var i = 0; i < frames.length; i++) {
     var frame = frames[i];
+    var line;
     try {
-      var line = FormatSourcePosition(frame);
+      line = FormatSourcePosition(frame);
     } catch (e) {
       try {
-        var line = "<error: " + e + ">";
+        line = "<error: " + e + ">";
       } catch (ee) {
         // Any code that reaches this point is seriously nasty!
-        var line = "<error>";
+        line = "<error>";
       }
     }
     lines.push("    at " + line);
   }
   return lines.join("\n");
 }
 
 function FormatRawStackTrace(error, raw_stack) {
   var frames = [ ];
   for (var i = 0; i < raw_stack.length; i += 3) {
@@ skipping 85 matching lines @@
     return this.name + ": " + FormatMessage({ type: type, args: this.arguments });
   }
   var message = this.message;
   return this.name + (message ? (": " + message) : "");
 }, DONT_ENUM);
 
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Top::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);