Use new try-catch syntax in runtime/, tools/, and utils/.

runtime/bin/http_impl.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.
 
 class _HttpHeaders implements HttpHeaders {
   _HttpHeaders() : _headers = new Map<String, List<String>>();
 
   List<String> operator[](String name) {
     name = name.toLowerCase();
     return _headers[name];
@@ skipping 68 matching lines @@
     _checkMutable();
     _port = port;
     _updateHostHeader();
   }
 
   Date get ifModifiedSince {
     List<String> values = _headers["if-modified-since"];
     if (values != null) {
       try {
         return _HttpUtils.parseDate(values[0]);
-      } catch (Exception e) {
+      } on Exception catch (e) {
         return null;
       }
     }
     return null;
   }
 
   void set ifModifiedSince(Date ifModifiedSince) {
     _checkMutable();
     // Format "ifModifiedSince" header with date in Greenwich Mean Time (GMT).
     String formatted = _HttpUtils.formatDate(ifModifiedSince.toUtc());
     _set("if-modified-since", formatted);
   }
 
   Date get date {
     List<String> values = _headers["date"];
     if (values != null) {
       try {
         return _HttpUtils.parseDate(values[0]);
-      } catch (Exception e) {
+      } on Exception catch (e) {
         return null;
       }
     }
     return null;
   }
 
   void set date(Date date) {
     _checkMutable();
     // Format "Date" header with date in Greenwich Mean Time (GMT).
     String formatted = _HttpUtils.formatDate(date.toUtc());
     _set("date", formatted);
   }
 
   Date get expires {
     List<String> values = _headers["expires"];
     if (values != null) {
       try {
         return _HttpUtils.parseDate(values[0]);
-      } catch (Exception e) {
+      } on Exception catch (e) {
         return null;
       }
     }
     return null;
   }
 
   void set expires(Date expires) {
     _checkMutable();
     // Format "Expires" header with date in Greenwich Mean Time (GMT).
     String formatted = _HttpUtils.formatDate(expires.toUtc());
@@ skipping 49 matching lines @@
         if (pos > 0) {
           _host = value.substring(0, pos);
         } else {
           _host = null;
         }
         if (pos + 1 == value.length) {
           _port = HttpClient.DEFAULT_HTTP_PORT;
         } else {
           try {
             _port = parseInt(value.substring(pos + 1));
-          } catch (FormatException e) {
+          } on FormatException catch (e) {
             _port = null;
           }
         }
         _set("host", value);
       }
     } else if (name.toLowerCase() == "content-type") {
       _set("content-type", value);
     } else {
       name = name.toLowerCase();
       List<String> values = _headers[name];
@@ skipping 1071 matching lines @@
   }
 
   HttpConnectionInfo get connectionInfo {
     if (_socket == null || _closing || _error) return null;
     try {
       _HttpConnectionInfo info = new _HttpConnectionInfo();
       info.remoteHost = _socket.remoteHost;
       info.remotePort = _socket.remotePort;
       info.localPort = _socket.port;
       return info;
-    } catch (var e) { }
+    } catch (e) { }
     return null;
   }
 
   abstract void _onConnectionClosed(e);
   abstract void _responseDone();
 
   void set _onNoPendingWrites(void callback()) {
     if (!_error) {
       _socket.outputStream.onNoPendingWrites = callback;
     }
@@ skipping 191 matching lines @@
   void set onError(void callback(e)) {
     _onError = callback;
   }
 
   void _handleRequest(HttpRequest request, HttpResponse response) {
     for (int i = 0; i < _handlers.length; i++) {
       if (_handlers[i]._matcher(request)) {
         Function handler = _handlers[i]._handler;
         try {
           handler(request, response);
-        } catch (var e) {
+        } catch (e) {
           if (_onError != null) {
             _onError(e);
           } else {
             throw e;
           }
         }
         return;
       }
     }
 
@@ skipping 654 matching lines @@
 
 
 class _RedirectInfo implements RedirectInfo {
   const _RedirectInfo(int this.statusCode,
                       String this.method,
                       Uri this.location);
   final int statusCode;
   final String method;
   final Uri location;
 }