Perl IDL parser: allow extended attributes to have more than 2 values

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary formstrArg, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 161 matching lines @@
     [EnforceRange] attribute short enforcedRangeShortAttr;
     [EnforceRange] attribute unsigned short enforcedRangeUnsignedShortAttr;
     [EnforceRange] attribute long enforcedRangeLongAttr;
     [EnforceRange] attribute unsigned long enforcedRangeUnsignedLongAttr;
     [EnforceRange] attribute long long enforcedRangeLongLongAttr;
     [EnforceRange] attribute unsigned long long enforcedRangeUnsignedLongLongAttr;
 
     // 'Conditional' extended attribute
     [Conditional=Condition1] attribute long conditionalAttr1;
     [Conditional=Condition1&Condition2] attribute long conditionalAttr2;
-    [Conditional=Condition1|Condition2] attribute long conditionalAttr3;
+    [Conditional=Condition1|Condition2|Condition3] attribute long conditionalAttr3;
 
     // 'Conditional' extended method
     [Conditional=Condition1] DOMString conditionalMethod1();
     [Conditional=Condition1&Condition2] void conditionalMethod2();
     [Conditional=Condition1|Condition2] void conditionalMethod3();
 
     [Conditional=Condition1] attribute TestObjectectAConstructor conditionalAttr4;
     [Conditional=Condition1&Condition2] attribute TestObjectectBConstructor conditionalAttr5;
     [Conditional=Condition1|Condition2] attribute TestObjectectCConstructor conditionalAttr6;
 
@@ skipping 111 matching lines @@
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 
     // PutForwards
     [PutForwards=href] readonly attribute TestNode location;
     [PutForwards=hrefThrows] readonly attribute TestNode locationWithException;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;