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

[ngeoffray, 2012/03/12 23:18:36]

This file should soon be removed. The original uri file is blocking all isolate
tests, so duplicating here allows us to make progress.

What is blocking is the const constructor call:
const RegExp('.....')

 // 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, "/");
 }