| // 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. |
|
|
| /**
|
| * @assertion Shift expressions invoke the shift operators on objects.
|
| * shiftExpression:
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| * additiveExpression (shiftOperator additiveExpression)* |
|
| * super (shiftOperator additiveExpression)+
|
| * ;
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| * shiftOperator:
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| * '<<' |
|
| * '>>' |
|
| * '>>>'
|
| * ;
|
| * A shift expression is either an additive expression, or an invocation
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| * of a shift operator on either super or an expression e1, with argument e2.
|
| * @description Checks that [super] can be used only as the first operand in
|
| * a shift expression.
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| * @compile-error
|
| * @author msyabro
|
| */
|
|
|
| class S {}
|
|
|
| class A extends S {
|
| test() {
|
| 1 << super;
|
| }
|
| }
|
|
|
| main() {
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| A a = new A();
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| a.test();
|
| }
|
