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.LOADPREVIEW. Delivered as a CodeElementPREVIEW when traversing the elements of a CodeModelPREVIEW.
Since:
22

  • 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
      Throws:
      IllegalArgumentException - if kind is voidPREVIEW or slot is out of range

    • 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.LOADPREVIEW
      slot - the local variable slot to load from
      Returns:
      a local variable load instruction
      Throws:
      IllegalArgumentException - if the opcode kind is not Opcode.Kind.LOADPREVIEW or slot is out of range