java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
org.openjdk.nashorn.api.tree.UnknownTreeException
- All Implemented Interfaces:
Serializable
Indicates that an unknown kind of Tree was encountered. This
can occur if the language evolves and new kinds of Trees are
added to the
Tree
hierarchy. May be thrown by a
tree visitor to indicate that the
visitor was created for a prior version of the language.- Since:
- 9
- See Also:
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns the additional argument.Returns the unknown tree.Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Constructor Details
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UnknownTreeException
Creates a newUnknownTreeException
. Thep
parameter may be used to pass in an additional argument with information about the context in which the unknown element was encountered; for example, the visit methods ofTreeVisitor
may pass in their additional parameter.- Parameters:
t
- the unknown tree, may benull
p
- an additional parameter, may benull
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Method Details
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getUnknownTree
Returns the unknown tree. The value may be unavailable if this exception has been serialized and then read back in.- Returns:
- the unknown element, or
null
if unavailable
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getArgument
Returns the additional argument. The value may be unavailable if this exception has been serialized and then read back in.- Returns:
- the additional argument
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