Package com.android.dx.ssa

Class RegisterMapper

java.lang.Object

com.android.dx.ssa.RegisterMapper

Direct Known Subclasses:

BasicRegisterMapper

public abstract class RegisterMapper
extends Object

Represents a mapping between two register numbering schemes. Subclasses of this may be mutable, and as such the mapping provided is only valid for the lifetime of the method call in which instances of this class are passed.

Constructor Summary

Constructors

Constructor	Description
RegisterMapper()

Method Summary

Modifier and Type	Method	Description
abstract int	getNewRegisterCount()	Gets the count of registers (really, the total register width, since category width is counted) in the new namespace.
abstract RegisterSpec	map(RegisterSpec registerSpec)
final RegisterSpecList	map(RegisterSpecList sources)
final RegisterSpecSet	map(RegisterSpecSet sources)

Methods inherited from class java.lang.Object

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

Constructor Details

RegisterMapper

public RegisterMapper()

Method Details

getNewRegisterCount

public abstract int getNewRegisterCount()

Gets the count of registers (really, the total register width, since category width is counted) in the new namespace.

Returns:

≥ 0 width of new namespace.

map

public abstract RegisterSpec map(RegisterSpec registerSpec)

Parameters:

registerSpec - old register

Returns:

register in new space

map

public final RegisterSpecList map(RegisterSpecList sources)

Parameters:

sources - old register list

Returns:

new mapped register list, or old if nothing has changed.

map

public final RegisterSpecSet map(RegisterSpecSet sources)

Parameters:

sources - old register set

Returns:

new mapped register set, or old if nothing has changed.