com.android.dx.dex.code

Class Dop

java.lang.Object

com.android.dx.dex.code.Dop

public final class Dop
extends Object

Representation of an opcode.

Constructor Summary

Constructors

Constructor and Description
Dop(int opcode, int family, int nextOpcode, InsnFormat format, boolean hasResult) Constructs an instance.

Method Summary

Methods

Modifier and Type	Method and Description
int	getFamily() Gets the opcode family.
InsnFormat	getFormat() Gets the instruction format.
String	getName() Gets the opcode name.
int	getNextOpcode() Gets the opcode value to try next when attempting to match an opcode to particular arguments.
int	getOpcode() Gets the opcode value.
Dop	getOppositeTest() Gets the opcode for the opposite test of this instance.
boolean	hasResult() Returns whether this opcode uses a result register.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Dop

public Dop(int opcode,
   int family,
   int nextOpcode,
   InsnFormat format,
   boolean hasResult)

Constructs an instance.

Parameters:

opcode - Opcodes.isValid(); the opcode value itself

family - Opcodes.isValid(); the opcode family

nextOpcode - Opcodes.isValid(); what opcode (by number) to try next when attempting to match an opcode to particular arguments; Opcodes.NO_NEXT to indicate that this is the last opcode to try in a particular chain

format - non-null; the instruction format

hasResult - whether the opcode has a result register; if so it is always the first register

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getOpcode

public int getOpcode()

Gets the opcode value.

Returns:

Opcodes.MIN_VALUE..Opcodes.MAX_VALUE; the opcode value

getFamily

public int getFamily()

Gets the opcode family. The opcode family is the unmarked (no "/...") opcode that has equivalent semantics to this one.

Returns:

Opcodes.MIN_VALUE..Opcodes.MAX_VALUE; the opcode family

getFormat

public InsnFormat getFormat()

Gets the instruction format.

Returns:

non-null; the instruction format

hasResult

public boolean hasResult()

Returns whether this opcode uses a result register.

Returns:

true iff this opcode uses a result register

getName

public String getName()

Gets the opcode name.

Returns:

non-null; the opcode name

getNextOpcode

public int getNextOpcode()

Gets the opcode value to try next when attempting to match an opcode to particular arguments. This returns Opcodes.NO_NEXT to indicate that this is the last opcode to try in a particular chain.

Returns:

Opcodes.MIN_VALUE..Opcodes.MAX_VALUE; the opcode value

getOppositeTest

public Dop getOppositeTest()

Gets the opcode for the opposite test of this instance. This is only valid for opcodes which are in fact tests.

Returns:

non-null; the opposite test