Interface ConvertInstruction

All Superinterfaces:

ClassFileElementPREVIEW, CodeElementPREVIEW, InstructionPREVIEW

public sealed interface ConvertInstruction
extends InstructionPREVIEW

ConvertInstruction is a preview API of the Java platform.

Programs can only use ConvertInstruction 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 primitive conversion instruction in the code array of a Code attribute, such as i2l. Corresponding opcodes will have a kind of Opcode.Kind.CONVERT^PREVIEW. Delivered as a CodeElement^PREVIEW when traversing the elements of a CodeModel^PREVIEW.

Since:

22

Method Summary

Modifier and Type	Method	Description
TypeKindPREVIEW	fromType()	Returns the source type to convert from.
static ConvertInstructionPREVIEW	of(OpcodePREVIEW op)	Returns a conversion instruction.
static ConvertInstructionPREVIEW	of(TypeKindPREVIEW fromType, TypeKindPREVIEW toType)	Returns A conversion instruction.
TypeKindPREVIEW	toType()	Returns the destination type to convert to.

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

opcode, sizeInBytes

Method Details

fromType

TypeKindPREVIEW fromType()

Returns the source type to convert from.

Returns:

the source type to convert from

toType

TypeKindPREVIEW toType()

Returns the destination type to convert to.

Returns:

the destination type to convert to

of

static ConvertInstructionPREVIEW of(TypeKindPREVIEW fromType,
 TypeKindPREVIEW toType)

Returns A conversion instruction.

Parameters:

fromType - the type to convert from

toType - the type to convert to

Returns:

A conversion instruction

of

static ConvertInstructionPREVIEW of(OpcodePREVIEW op)

Returns a conversion instruction.

Parameters:

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

Returns:

a conversion instruction

Throws:

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