本文整理汇总了Java中com.google.javascript.rhino.jstype.JSType.canBeCalled方法的典型用法代码示例。如果您正苦于以下问题：Java JSType.canBeCalled方法的具体用法？Java JSType.canBeCalled怎么用？Java JSType.canBeCalled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com.google.javascript.rhino.jstype.JSType的用法示例。
在下文中一共展示了JSType.canBeCalled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: visitCall
import com.google.javascript.rhino.jstype.JSType; //导入方法依赖的package包/类
/**
* Visits a CALL node.
*
* @param t The node traversal object that supplies context, such as the
* scope chain to use in name lookups as well as error reporting.
* @param n The node being visited.
*/
private void visitCall(NodeTraversal t, Node n) {
Node child = n.getFirstChild();
JSType childType = getJSType(child).restrictByNotNullOrUndefined();
if (!childType.canBeCalled()) {
t.report(n, NOT_CALLABLE, childType.toString());
ensureTyped(t, n);
return;
}
// A couple of types can be called as if they were functions.
// If it is a function type, then validate parameters.
if (childType instanceof FunctionType) {
FunctionType functionType = (FunctionType) childType;
// Non-native constructors should never be called directly.
if (functionType.isConstructor() &&
!functionType.isNativeObjectType()) {
t.report(n, CONSTRUCTOR_NOT_CALLABLE, childType.toString());
}
visitParameterList(t, n, functionType);
ensureTyped(t, n, functionType.getReturnType());
} else {
ensureTyped(t, n);
}
// TODO: Add something to check for calls of RegExp objects, which is not
// supported by IE. Either say something about the return type or warn
// about the non-portability of the call or both.
}