Module java.base

Package java.lang.classfile.instruction^PREVIEW

Interface LoadInstruction

All Superinterfaces:

ClassFileElementPREVIEW, CodeElementPREVIEW, InstructionPREVIEW

public sealed interface LoadInstruction
extends InstructionPREVIEW

LoadInstruction is a preview API of the Java platform.

Programs can only use LoadInstruction 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 local variable load instruction in the code array of a Code attribute. Corresponding opcodes will have a kind of Opcode.Kind.LOAD^PREVIEW. Delivered as a CodeElement^PREVIEW when traversing the elements of a CodeModel^PREVIEW.

Since:

22

Method Summary

Modifier and Type	Method	Description
static LoadInstructionPREVIEW	of(OpcodePREVIEW op, int slot)	Returns a local variable load instruction.
static LoadInstructionPREVIEW	of(TypeKindPREVIEW kind, int slot)	Returns a local variable load instruction.
int	slot()	Returns the local variable slot to load from.
TypeKindPREVIEW	typeKind()	Returns the type of the value to be loaded.

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

opcode, sizeInBytes

Method Details

slot

int slot()

Returns the local variable slot to load from.

Returns:

the local variable slot to load from

typeKind

TypeKindPREVIEW typeKind()

Returns the type of the value to be loaded.

Returns:

the type of the value to be loaded

of

static LoadInstructionPREVIEW of(TypeKindPREVIEW kind,
 int slot)

Returns a local variable load instruction.

Parameters:

kind - the type of the value to be loaded

slot - the local variable slot to load from

Returns:

a local variable load instruction

of

static LoadInstructionPREVIEW of(OpcodePREVIEW op,
 int slot)

Returns a local variable load instruction.

Parameters:

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

slot - the local variable slot to load from

Returns:

a local variable load instruction