Add the arity to calls, and support noSuchMethodException.

frog/tests/leg/src/mock_compiler.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.
 
 #library('mock_compiler');
 
 #import("../../../leg/leg.dart");
 #import("../../../leg/elements/elements.dart");
 #import("../../../leg/tree/tree.dart");
 #import("../../../leg/util/util.dart");
 #import("parser_helper.dart");
 
 class WarningMessage {
   Node node;
   Message message;
   WarningMessage(this.node, this.message);
 
   toString() => message.toString();
 }
 
 final String DEFAULT_CORELIB = @'''
   lt() {} add(var a, var b) {} sub() {} mul() {} div() {} tdiv() {} mod() {}
   neg() {} shl() {} shr() {} eq() {} le() {} gt() {} ge() {}
-  or() {} and() {} not() {} print(var obj) {} eqNull() {} eqq() {}
+  or() {} and() {} not() {} print(var obj) {} eqNull(a) {} eqq() {}
   guard$array(x) { return x; }
   guard$num(x) { return x; }
   guard$string(x) { return x; }
   guard$stringOrArray(x) { return x; }
   builtin$add$1(receiver, value) {}
   builtin$get$length(var receiver) {}
   builtin$filter$1(receiver, predicate) {}
   builtin$removeLast$0(receiver) {}
   index(a, index) {}
   indexSet(a, index, value) {}
@@ skipping 94 matching lines @@
     } while (expected.hasNext());
     fail('Too few warnings');
   }
   if (found.hasNext()) {
     do {
       print('Additional warning "${found.next()}"');
     } while (found.hasNext());
     fail('Too many warnings');
   }
 }