| // 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 Unary expressions invoke unary operators on objects.
|
| * unaryExpression:
|
| * prefixOperator unaryExpression |
|
| * awaitExpression |
|
| * postfixExpression |
|
| * (minusOperator | tildeOperator) super |
|
| * incrementOperator assignableExpression
|
| * ;
|
| * prefixOperator:
|
| * minusOperator |
|
| * negationOperator |
|
| * tildeOperator
|
| * ;
|
| * minusOperator:
|
| * ‘-’ |
|
| * ;
|
| * negationOperator:
|
| * ‘!’ |
|
| * ;
|
| * tildeOperator:
|
| * ‘˜’
|
| * ;
|
| * A unary expression is either a postfix expression, an await expression or
|
| * an invocation of a prefix operator on an expression or an invocation of a
|
| * unary operator on either super or an expression e.
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| * @description Checks that incrementOperator can't be used with super
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| * @compile-error
|
| * @author msyabro
|
| */
|
|
|
| class S {}
|
|
|
| class A extends S {
|
| test() {
|
| ++super;
|
| }
|
| }
|
|
|
| main() {
|
| A a = new A();
|
| a.test();
|
| }
|
