Operators.

frog/leg/scanner/parser.dart

 // Copyright (c) 2011, 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.
 
 /**
  * An event generating parser of Dart programs. This parser expects
  * all tokens in a linked list.
  */
 class Parser {
   final Listener listener;
@@ skipping 544 matching lines @@
         if (isGetOrSet(token.next) && isIdentifier(token.next.next)) {
           // For example: get get identifier
           getOrSet = token.next;
           token = token.next.next;
         } else {
           // For example: get identifier
           getOrSet = token;
           token = token.next;
         }
       }
-    } else {
+    } else if (token.stringValue !== 'operator') {
       peek = peekAfterType(token);
       if (isGetOrSet(peek) && isIdentifier(peek.next)) {
         // type? get identifier
         getOrSet = token;
         token = peek.next;
       } else if (isIdentifier(peek)) {

[Lasse Reichstein Nielsen, 2012/01/27 09:42:34]

You could move the test for 'operator' to after the isIdentifier test here.

[ngeoffray, 2012/01/27 10:50:04]

Code has changed since after Peter's recent changes on getset. 

         token = peek;
         peek = peekAfterType(token);
       }
     }
     if (optional('operator', token)) {
       token = parseOperatorName(token);
     } else {
       token = parseIdentifier(token);
     }
     bool isField;
@@ skipping 92 matching lines @@
       (value === '&') ||
       (value === '^') ||
       (value === '|');
   }
 
   Token parseFunction(Token token) {
     listener.beginFunction(token);
     token = parseModifiers(token);
     token = parseReturnTypeOpt(token);
     listener.beginFunctionName(token);
-    token = parseIdentifier(token);
+    if (optional('operator', token)) {
+      token = parseOperatorName(token);
+    } else {
+      token = parseIdentifier(token);
+    }
     token = parseQualifiedRestOpt(token);
     listener.endFunctionName(token);
     token = parseFormalParameters(token);
     token = parseInitializersOpt(token);
     token = parseFunctionBody(token, false);
     listener.endFunction(token);
     return token.next;
   }
 
   Token parseUnamedFunction(Token token) {
@@ skipping 893 matching lines @@
     }
     listener.handleContinueStatement(hasTarget, continueKeyword, token);
     return expectSemicolon(token);
   }
 
   Token parseEmptyStatement(Token token) {
     listener.handleEmptyStatement(token);
     return expectSemicolon(token);
   }
 }