| // 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:
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| * prefixOperator unaryExpression |
|
| * awaitExpression |
|
| * postfixExpression |
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| * (minusOperator | tildeOperator) super |
|
| * incrementOperator assignableExpression
|
| * ;
|
| * prefixOperator:
|
| * minusOperator |
|
| * negationOperator |
|
| * tildeOperator
|
| * ;
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| * minusOperator:
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| * ‘-’ |
|
| * ;
|
| * negationOperator:
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| * ‘!’ |
|
| * ;
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| * tildeOperator:
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| * ‘˜’
|
| * ;
|
| * 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 a non-expression statement can't be used with
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| * incrementOperator. (Variable declaration statement)
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| * @compile-error
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| * @author msyabro
|
| */
|
|
|
| main() {
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| ++ var x;
|
| }
|