Enable isolate tests with leg and legium.

frog/leg/lib/uri_toremove.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library('uri');
 
 /**
  * A parsed URI, inspired by:
  * http://closure-library.googlecode.com/svn/docs/class_goog_Uri.html
  */
+// TODO(ngeoffray): Remove this file once Leg support compile-time constants.
 class Uri {
   final String scheme;
   final String userInfo;
   final String domain;
   final int port;
   final String path;
   final String query;
   final String fragment;
 
   Uri.fromString(String uri) : this._fromMatch(_splitRe.firstMatch(uri));
@@ skipping 15 matching lines @@
 
   static int _parseIntOrZero(String val) {
     if (val !== null && val != '') {
       return Math.parseInt(val);
     } else {
       return 0;
     }
   }
 
   // NOTE: This code was ported from: closure-library/closure/goog/uri/utils.js
-  static final RegExp _splitRe = const RegExp(
-      '^' +
-      '(?:' +
-        '([^:/?#.]+)' +                 // scheme - ignore special characters
-                                        // used by other URL parts such as :,
-                                        // ?, /, #, and .
-      ':)?' +
-      '(?://' +
-        '(?:([^/?#]*)@)?' +             // userInfo
-        '([\\w\\d\\-\\u0100-\\uffff.%]*)' +
-                                        // domain - restrict to letters,
-                                        // digits, dashes, dots, percent
-                                        // escapes, and unicode characters.
-        '(?::([0-9]+))?' +              // port
-      ')?' +
-      '([^?#]+)?' +                     // path
-      '(?:\\?([^#]*))?' +               // query
-      '(?:#(.*))?' +                    // fragment
-      '\$');
+  static RegExp _regexp;
+  static RegExp get _splitRe() {
+    if (_regexp == null) {
+      _regexp = new RegExp(
+        '^' +
+        '(?:' +
+          '([^:/?#.]+)' +                 // scheme - ignore special characters
+                                          // used by other URL parts such as :,
+                                          // ?, /, #, and .
+        ':)?' +
+        '(?://' +
+          '(?:([^/?#]*)@)?' +             // userInfo
+          '([\\w\\d\\-\\u0100-\\uffff.%]*)' +
+                                          // domain - restrict to letters,
+                                          // digits, dashes, dots, percent
+                                          // escapes, and unicode characters.
+          '(?::([0-9]+))?' +              // port
+        ')?' +
+        '([^?#]+)?' +                     // path
+        '(?:\\?([^#]*))?' +               // query
+        '(?:#(.*))?' +                    // fragment
+        '\$');
+    }
+    return _regexp;
+  }
 
   static final _COMPONENT_SCHEME = 1;
   static final _COMPONENT_USER_INFO = 2;
   static final _COMPONENT_DOMAIN = 3;
   static final _COMPONENT_PORT = 4;
   static final _COMPONENT_PATH = 5;
   static final _COMPONENT_QUERY_DATA = 6;
   static final _COMPONENT_FRAGMENT = 7;
 
   /**
@@ skipping 131 matching lines @@
       appendSlash = true;
     } else if ("." == segment) {
       appendSlash = true;
     } else {
       output.add(segment);
     }
   }
   if (appendSlash) output.add("");
   return Strings.join(output, "/");
 }