Interface DiscontinuedInstruction.RetInstruction
- All Superinterfaces:
ClassFileElementPREVIEW
,CodeElementPREVIEW
,DiscontinuedInstructionPREVIEW
,InstructionPREVIEW
- Enclosing interface:
DiscontinuedInstructionPREVIEW
public static sealed interface DiscontinuedInstruction.RetInstruction
extends DiscontinuedInstructionPREVIEW
RetInstruction
is a preview API of the Java platform.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
Models RET and RET_W instructions discontinued from the
code
array of a Code
attribute since class file version 51.0.
Corresponding opcodes will have a kind
of
Opcode.Kind.DISCONTINUED_RET
PREVIEW. Delivered as a CodeElement
PREVIEW
when traversing the elements of a CodeModel
PREVIEW.- Since:
- 22
-
Nested Class Summary
Nested classes/interfaces declared in interface java.lang.classfile.instruction.DiscontinuedInstructionPREVIEW
DiscontinuedInstruction.JsrInstructionPREVIEW, DiscontinuedInstruction.RetInstructionPREVIEW
-
Method Summary
Methods declared in interface java.lang.classfile.InstructionPREVIEW
opcode, sizeInBytes
-
Method Details
-
slot
int slot()Returns the local variable slot with return address.- Returns:
- the local variable slot with return address
-
of
Returns a RET or RET_W instruction.- Parameters:
op
- the opcode for the specific type of RET instruction, which must be of kindOpcode.Kind.DISCONTINUED_RET
PREVIEWslot
- the local variable slot to load return address from- Returns:
- a RET or RET_W instruction
- Throws:
IllegalArgumentException
- if the opcode kind is notOpcode.Kind.DISCONTINUED_RET
PREVIEW.
-
of
Returns a RET instruction.- Parameters:
slot
- the local variable slot to load return address from- Returns:
- a RET instruction
-
RetInstruction
when preview features are enabled.