Module java.base

Package java.lang.classfile^PREVIEW

Enum Class ClassFile.DeadLabelsOption

java.lang.Object

java.lang.Enum<ClassFile.DeadLabelsOption^PREVIEW>

java.lang.classfile.ClassFile.DeadLabelsOption

All Implemented Interfaces:

Serializable, ClassFile.OptionPREVIEW, Comparable<ClassFile.DeadLabelsOptionPREVIEW>, Constable

Enclosing interface:

ClassFilePREVIEW

public static enum ClassFile.DeadLabelsOption
extends Enum<ClassFile.DeadLabelsOptionPREVIEW>
implements ClassFile.OptionPREVIEW

DeadLabelsOption is a preview API of the Java platform.

Programs can only use DeadLabelsOption when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Option describing whether to filter unresolved labels. Default is FAIL_ON_DEAD_LABELS to throw IllegalStateException when any ExceptionCatch^PREVIEW, LocalVariableInfo^PREVIEW, LocalVariableTypeInfo^PREVIEW, or CharacterRangeInfo^PREVIEW reference to unresolved Label^PREVIEW during bytecode serialization. Setting this option to DROP_DEAD_LABELS filters the above elements instead.

Since:

22

Nested Class Summary

Nested classes/interfaces declared in class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
DROP_DEAD_LABELS	Filter unresolved labels
FAIL_ON_DEAD_LABELS	Fail on unresolved labels

Method Summary

Modifier and Type	Method	Description
static ClassFile.DeadLabelsOptionPREVIEW	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ClassFile.DeadLabelsOptionPREVIEW[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods declared in class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods declared in class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

FAIL_ON_DEAD_LABELS

public static final ClassFile.DeadLabelsOptionPREVIEW FAIL_ON_DEAD_LABELS

Fail on unresolved labels

DROP_DEAD_LABELS

public static final ClassFile.DeadLabelsOptionPREVIEW DROP_DEAD_LABELS

Filter unresolved labels

Method Details

values

public static ClassFile.DeadLabelsOptionPREVIEW[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static ClassFile.DeadLabelsOptionPREVIEW valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null