Method setLoop

rhino/src/main/java/org/mozilla/javascript/ast/Jump.java:78–83

(Jump loop)

    }

    public void setLoop(Jump loop) {
        if (type != Token.LABEL) codeBug();
        if (loop == null) codeBug();
        if (jumpNode != null) codeBug(); // only once
        jumpNode = loop;
    }

    public Node getContinue() {
        if (type != Token.LOOP) codeBug();