Interface BranchInstruction

All Superinterfaces:

ClassFileElementPREVIEW, CodeElementPREVIEW, InstructionPREVIEW

public sealed interface BranchInstruction
extends InstructionPREVIEW

BranchInstruction is a preview API of the Java platform.

Programs can only use BranchInstruction when preview features are enabled.

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

Models a branching instruction (conditional or unconditional) in the code array of a Code attribute. Corresponding opcodes will have a kind of Opcode.Kind.BRANCH^PREVIEW. Delivered as a CodeElement^PREVIEW when traversing the elements of a CodeModel^PREVIEW.

Since:

22

Method Summary

Modifier and Type	Method	Description
static BranchInstructionPREVIEW	of(OpcodePREVIEW op, LabelPREVIEW target)	Returns a branch instruction.
LabelPREVIEW	target()	Returns the target of the branch.

Methods declared in interface java.lang.classfile.Instruction^PREVIEW

opcode, sizeInBytes

Method Details

target

LabelPREVIEW target()

Returns the target of the branch.

Returns:

the target of the branch

of

static BranchInstructionPREVIEW of(OpcodePREVIEW op,
 LabelPREVIEW target)

Returns a branch instruction.

Parameters:

op - the opcode for the specific type of branch instruction, which must be of kind Opcode.Kind.BRANCH^PREVIEW

target - the target of the branch

Returns:

a branch instruction

Throws:

IllegalArgumentException - if the opcode kind is not Opcode.Kind.BRANCH^PREVIEW.