Make built-ins strict mode conforming, and support a --use-strict flag.

src/uri.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 232 matching lines @@
       result[index++] = ch.charCodeAt(0);
     }
   }
   result.length = index;
   return %StringFromCharCodeArray(result);
 }
 
 
 // ECMA-262 - 15.1.3.1.
 function URIDecode(uri) {
-  function reservedPredicate(cc) {
+  var reservedPredicate = function(cc) {
     // #$
     if (35 <= cc && cc <= 36) return true;
     // &
     if (cc == 38) return true;
     // +,
     if (43 <= cc && cc <= 44) return true;
     // /
     if (cc == 47) return true;
     // :;
     if (58 <= cc && cc <= 59) return true;
     // =
     if (cc == 61) return true;
     // ?@
     if (63 <= cc && cc <= 64) return true;
 
     return false;
-  }
+  };
   var string = ToString(uri);
   return Decode(string, reservedPredicate);
 }
 
 
 // ECMA-262 - 15.1.3.2.
 function URIDecodeComponent(component) {
-  function reservedPredicate(cc) { return false; }
+  var reservedPredicate = function(cc) { return false; };
   var string = ToString(component);
   return Decode(string, reservedPredicate);
 }
 
 
 // Does the char code correspond to an alpha-numeric char.
 function isAlphaNumeric(cc) {
   // a - z
   if (97 <= cc && cc <= 122) return true;
   // A - Z
   if (65 <= cc && cc <= 90) return true;
   // 0 - 9
   if (48 <= cc && cc <= 57) return true;
 
   return false;
 }
 
 
 // ECMA-262 - 15.1.3.3.
 function URIEncode(uri) {
-  function unescapePredicate(cc) {
+  var unescapePredicate = function(cc) {
     if (isAlphaNumeric(cc)) return true;
     // !
     if (cc == 33) return true;
     // #$
     if (35 <= cc && cc <= 36) return true;
     // &'()*+,-./
     if (38 <= cc && cc <= 47) return true;
     // :;
     if (58 <= cc && cc <= 59) return true;
     // =
     if (cc == 61) return true;
     // ?@
     if (63 <= cc && cc <= 64) return true;
     // _
     if (cc == 95) return true;
     // ~
     if (cc == 126) return true;
 
     return false;
-  }
+  };
 
   var string = ToString(uri);
   return Encode(string, unescapePredicate);
 }
 
 
 // ECMA-262 - 15.1.3.4
 function URIEncodeComponent(component) {
-  function unescapePredicate(cc) {
+  var unescapePredicate = function(cc) {
     if (isAlphaNumeric(cc)) return true;
     // !
     if (cc == 33) return true;
     // '()*
     if (39 <= cc && cc <= 42) return true;
     // -.
     if (45 <= cc && cc <= 46) return true;
     // _
     if (cc == 95) return true;
     // ~
     if (cc == 126) return true;
 
     return false;
-  }
+  };
 
   var string = ToString(component);
   return Encode(string, unescapePredicate);
 }
 
 
 function HexValueOf(code) {
   // 0-9
   if (code >= 48 && code <= 57) return code - 48;
   // A-F
@@ skipping 62 matching lines @@
     "escape", URIEscape,
     "unescape", URIUnescape,
     "decodeURI", URIDecode,
     "decodeURIComponent", URIDecodeComponent,
     "encodeURI", URIEncode,
     "encodeURIComponent", URIEncodeComponent
   ));
 }
 
 SetUpUri();