/* | |
* 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: | |
* additiveExpression (shiftOperator additiveExpression)* | | |
* super (shiftOperator additiveExpression)+ | |
* ; | |
* shiftOperator: | |
* '<<' | | |
* '>>' | | |
* '>>>' | |
* ; | |
* A shift expression is either an additive expression, or an invocation | |
* 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. | |
* @compile-error | |
* @author msyabro | |
*/ | |
class S {} | |
class A extends S { | |
test() { | |
1 << super; | |
} | |
} | |
main() { | |
A a = new A(); | |
a.test(); | |
} |