Module java.base

Package java.lang.classfile.instruction^PREVIEW

Interface StackInstruction

All Superinterfaces:

ClassFileElementPREVIEW, CodeElementPREVIEW, InstructionPREVIEW

public sealed interface StackInstruction
extends InstructionPREVIEW

StackInstruction is a preview API of the Java platform.

Programs can only use StackInstruction 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 stack manipulation instruction in the code array of a Code attribute. Corresponding opcodes will have a kind of Opcode.Kind.STACK^PREVIEW. Delivered as a CodeElement^PREVIEW when traversing the elements of a CodeModel^PREVIEW.

Since:

22

Method Summary

Static Methods

Modifier and Type	Method	Description
static StackInstructionPREVIEW	of(OpcodePREVIEW op)	Returns a stack manipulation instruction.

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

opcode, sizeInBytes

Method Details

of

static StackInstructionPREVIEW of(OpcodePREVIEW op)

Returns a stack manipulation instruction.

Parameters:

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

Returns:

a stack manipulation instruction