本文整理汇总了Java中org.mozilla.javascript.ast.Jump.addChildToFront方法的典型用法代码示例。如果您正苦于以下问题：Java Jump.addChildToFront方法的具体用法？Java Jump.addChildToFront怎么用？Java Jump.addChildToFront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org.mozilla.javascript.ast.Jump的用法示例。
在下文中一共展示了Jump.addChildToFront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: createLoop
import org.mozilla.javascript.ast.Jump; //导入方法依赖的package包/类
private Node createLoop(Jump loop, int loopType, Node body,
Node cond, Node init, Node incr)
{
Node bodyTarget = Node.newTarget();
Node condTarget = Node.newTarget();
if (loopType == LOOP_FOR && cond.getType() == Token.EMPTY) {
cond = new Node(Token.TRUE);
}
Jump IFEQ = new Jump(Token.IFEQ, cond);
IFEQ.target = bodyTarget;
Node breakTarget = Node.newTarget();
loop.addChildToBack(bodyTarget);
loop.addChildrenToBack(body);
if (loopType == LOOP_WHILE || loopType == LOOP_FOR) {
// propagate lineno to condition
loop.addChildrenToBack(new Node(Token.EMPTY, loop.getLineno()));
}
loop.addChildToBack(condTarget);
loop.addChildToBack(IFEQ);
loop.addChildToBack(breakTarget);
loop.target = breakTarget;
Node continueTarget = condTarget;
if (loopType == LOOP_WHILE || loopType == LOOP_FOR) {
// Just add a GOTO to the condition in the do..while
loop.addChildToFront(makeJump(Token.GOTO, condTarget));
if (loopType == LOOP_FOR) {
int initType = init.getType();
if (initType != Token.EMPTY) {
if (initType != Token.VAR && initType != Token.LET) {
init = new Node(Token.EXPR_VOID, init);
}
loop.addChildToFront(init);
}
Node incrTarget = Node.newTarget();
loop.addChildAfter(incrTarget, body);
if (incr.getType() != Token.EMPTY) {
incr = new Node(Token.EXPR_VOID, incr);
loop.addChildAfter(incr, incrTarget);
}
continueTarget = incrTarget;
}
}
loop.setContinue(continueTarget);
return loop;
}