本文整理汇总了Java中jdk.nashorn.internal.runtime.Undefined.lookup方法的典型用法代码示例。如果您正苦于以下问题：Java Undefined.lookup方法的具体用法？Java Undefined.lookup怎么用？Java Undefined.lookup使用的例子？那么, 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.runtime.Undefined的用法示例。
在下文中一共展示了Undefined.lookup方法的3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: getGuardedInvocation
import jdk.nashorn.internal.runtime.Undefined; //导入方法依赖的package包/类
@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
final Object self = requestWithoutContext.getReceiver();
final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
// We only support standard "dyn:*[:*]" operations
return null;
}
final GuardedInvocation inv;
if (self instanceof ScriptObject) {
inv = ((ScriptObject)self).lookup(desc, request);
} else if (self instanceof Undefined) {
inv = Undefined.lookup(desc);
} else {
throw new AssertionError(); // Should never reach here.
}
return Bootstrap.asType(inv, linkerServices, desc);
}
示例2: getGuardedInvocation
import jdk.nashorn.internal.runtime.Undefined; //导入方法依赖的package包/类
private static GuardedInvocation getGuardedInvocation(final Object self, final LinkRequest request, final CallSiteDescriptor desc) {
final GuardedInvocation inv;
if (self instanceof ScriptObject) {
inv = ((ScriptObject)self).lookup(desc, request);
} else if (self instanceof Undefined) {
inv = Undefined.lookup(desc);
} else {
throw new AssertionError(self.getClass().getName()); // Should never reach here.
}
return inv;
}
示例3: getGuardedInvocation
import jdk.nashorn.internal.runtime.Undefined; //导入方法依赖的package包/类
private static GuardedInvocation getGuardedInvocation(final LinkRequest request, final CallSiteDescriptor desc) {
final Object self = request.getReceiver();
final GuardedInvocation inv;
if (self instanceof ScriptObject) {
inv = ((ScriptObject)self).lookup(desc, request);
} else if (self instanceof Undefined) {
inv = Undefined.lookup(desc);
} else {
throw new AssertionError(self.getClass().getName()); // Should never reach here.
}
return inv;
}