本文整理汇总了Java中jdk.nashorn.internal.ir.ForNode.getBreakLabel方法的典型用法代码示例。如果您正苦于以下问题：Java ForNode.getBreakLabel方法的具体用法？Java ForNode.getBreakLabel怎么用？Java ForNode.getBreakLabel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.nashorn.internal.ir.ForNode的用法示例。
在下文中一共展示了ForNode.getBreakLabel方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: enterForIn
import jdk.nashorn.internal.ir.ForNode; //导入方法依赖的package包/类
private void enterForIn(final ForNode forNode) {
loadExpression(forNode.getModify(), TypeBounds.OBJECT);
method.invoke(forNode.isForEach() ? ScriptRuntime.TO_VALUE_ITERATOR : ScriptRuntime.TO_PROPERTY_ITERATOR);
final Symbol iterSymbol = forNode.getIterator();
final int iterSlot = iterSymbol.getSlot(Type.OBJECT);
method.store(iterSymbol, ITERATOR_TYPE);
method.beforeJoinPoint(forNode);
final Label continueLabel = forNode.getContinueLabel();
final Label breakLabel = forNode.getBreakLabel();
method.label(continueLabel);
method.load(ITERATOR_TYPE, iterSlot);
method.invoke(interfaceCallNoLookup(ITERATOR_CLASS, "hasNext", boolean.class));
final JoinPredecessorExpression test = forNode.getTest();
final Block body = forNode.getBody();
if(LocalVariableConversion.hasLiveConversion(test)) {
final Label afterConversion = new Label("for_in_after_test_conv");
method.ifne(afterConversion);
method.beforeJoinPoint(test);
method._goto(breakLabel);
method.label(afterConversion);
} else {
method.ifeq(breakLabel);
}
new Store<Expression>(forNode.getInit()) {
@Override
protected void storeNonDiscard() {
// This expression is neither part of a discard, nor needs to be left on the stack after it was
// stored, so we override storeNonDiscard to be a no-op.
}
@Override
protected void evaluate() {
new OptimisticOperation((Optimistic)forNode.getInit(), TypeBounds.UNBOUNDED) {
@Override
void loadStack() {
method.load(ITERATOR_TYPE, iterSlot);
}
@Override
void consumeStack() {
method.invoke(interfaceCallNoLookup(ITERATOR_CLASS, "next", Object.class));
convertOptimisticReturnValue();
}
}.emit();
}
}.store();
body.accept(this);
if(method.isReachable()) {
method._goto(continueLabel);
}
method.label(breakLabel);
}