/* | |
* 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: | |
* multiplicativeExpression (additiveOperator multiplicativeExpression)* | | |
* super (additiveOperator multiplicativeExpression)+ | |
* ; | |
* additiveOperator: | |
* '+' | | |
* '-' | |
* ; | |
* An additive expression is either a multiplicative expression, or an | |
* invocation of an additive 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 additive expression. | |
* @compile-error | |
* @author msyabro | |
*/ | |
class S {} | |
class A extends S { | |
test() { | |
try { | |
1 + super; | |
} catch (e) {} | |
} | |
} | |
main() { | |
A a = new A(); | |
a.test(); | |
} |