| // 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 Additive expressions invoke the addition operators on objects.
|
| * additiveExpression:
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| * multiplicativeExpression (additiveOperator multiplicativeExpression)* |
|
| * super (additiveOperator multiplicativeExpression)+
|
| * ;
|
| * additiveOperator:
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| * '+' |
|
| * '-'
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| * ;
|
| * An additive expression is either a multiplicative expression, or an
|
| * invocation of an additive operator on either super or an expression e1, with
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| * argument e2.
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| * @description Checks that an additive expression of the form
|
| * super ('-' multiplicativeExpression)+
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| * must have at least two operands.
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| * @compile-error
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| * @author msyabro
|
| */
|
|
|
| class S {
|
| operator -() {}
|
| }
|
|
|
| class A {
|
| test() {
|
| try {
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| super -;
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| } catch (e) {}
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| }
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| }
|
|
|
| main() {
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| A a = new A();
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| a.test();
|
| }
|
