本文整理汇总了Java中jdk.nashorn.internal.ir.WhileNode.getBreakLabel方法的典型用法代码示例。如果您正苦于以下问题：Java WhileNode.getBreakLabel方法的具体用法？Java WhileNode.getBreakLabel怎么用？Java WhileNode.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.WhileNode的用法示例。
在下文中一共展示了WhileNode.getBreakLabel方法的4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: enterWhileNode
import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public boolean enterWhileNode(final WhileNode whileNode) {
final Expression test = whileNode.getTest();
final Block body = whileNode.getBody();
final Label breakLabel = whileNode.getBreakLabel();
final Label continueLabel = whileNode.getContinueLabel();
final boolean isDoWhile = whileNode.isDoWhile();
final Label loopLabel = new Label("loop");
if (!isDoWhile) {
method._goto(continueLabel);
}
method.label(loopLabel);
body.accept(this);
if (!whileNode.isTerminal()) {
method.label(continueLabel);
lineNumber(whileNode);
new BranchOptimizer(this, method).execute(test, loopLabel, true);
method.label(breakLabel);
}
return false;
}
示例2: enterWhileNode
import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public boolean enterWhileNode(final WhileNode whileNode) {
lineNumber(whileNode);
final Expression test = whileNode.getTest();
final Block body = whileNode.getBody();
final Label breakLabel = whileNode.getBreakLabel();
final Label continueLabel = whileNode.getContinueLabel();
final Label loopLabel = new Label("loop");
if (!whileNode.isDoWhile()) {
method._goto(continueLabel);
}
method.label(loopLabel);
body.accept(this);
if (!whileNode.isTerminal()) {
method.label(continueLabel);
new BranchOptimizer(this, method).execute(test, loopLabel, true);
method.label(breakLabel);
}
return false;
}
示例3: enterDoWhileLoop
import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
private void enterDoWhileLoop(final WhileNode loopNode) {
final JoinPredecessorExpression test = loopNode.getTest();
final Block body = loopNode.getBody();
final Label continueLabel = loopNode.getContinueLabel();
final Label breakLabel = loopNode.getBreakLabel();
final Map<Symbol, LvarType> beforeLoopTypes = localVariableTypes;
final Label repeatLabel = new Label("");
for(;;) {
jumpToLabel(loopNode, repeatLabel, beforeLoopTypes);
final Map<Symbol, LvarType> beforeRepeatTypes = localVariableTypes;
body.accept(this);
if(reachable) {
jumpToLabel(body, continueLabel);
}
joinOnLabel(continueLabel);
if(!reachable) {
break;
}
test.accept(this);
jumpToLabel(test, breakLabel);
if(isAlwaysFalse(test)) {
break;
}
jumpToLabel(test, repeatLabel);
joinOnLabel(repeatLabel);
if(localVariableTypes.equals(beforeRepeatTypes)) {
break;
}
resetJoinPoint(continueLabel);
resetJoinPoint(breakLabel);
resetJoinPoint(repeatLabel);
}
if(isAlwaysTrue(test)) {
doesNotContinueSequentially();
}
leaveBreakable(loopNode);
}
示例4: enterDoWhileLoop
import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
private void enterDoWhileLoop(final WhileNode loopNode) {
assertTypeStackIsEmpty();
final JoinPredecessorExpression test = loopNode.getTest();
final Block body = loopNode.getBody();
final Label continueLabel = loopNode.getContinueLabel();
final Label breakLabel = loopNode.getBreakLabel();
final Map<Symbol, LvarType> beforeLoopTypes = localVariableTypes;
final Label repeatLabel = new Label("");
for(;;) {
jumpToLabel(loopNode, repeatLabel, beforeLoopTypes);
final Map<Symbol, LvarType> beforeRepeatTypes = localVariableTypes;
body.accept(this);
if(reachable) {
jumpToLabel(body, continueLabel);
}
joinOnLabel(continueLabel);
if(!reachable) {
break;
}
visitExpressionOnEmptyStack(test);
jumpToLabel(test, breakLabel);
if(isAlwaysFalse(test)) {
break;
}
jumpToLabel(test, repeatLabel);
joinOnLabel(repeatLabel);
if(localVariableTypes.equals(beforeRepeatTypes)) {
break;
}
resetJoinPoint(continueLabel);
resetJoinPoint(breakLabel);
resetJoinPoint(repeatLabel);
}
if(isAlwaysTrue(test)) {
doesNotContinueSequentially();
}
leaveBreakable(loopNode);
}