org.luaj.vm2.luajc

类 VarInfo

java.lang.Object

org.luaj.vm2.luajc.VarInfo

public class VarInfo
extends Object

字段概要

字段

限定符和类型	字段和说明
boolean	allocupvalue
static VarInfo	INVALID
boolean	isreferenced
int	pc
int	slot
UpvalInfo	upvalue

构造器概要

构造器

构造器和说明
VarInfo(int slot, int pc)

方法概要

限定符和类型	方法和说明
protected void	collectUniqueValues(Set visitedBlocks, Set vars)
boolean	isPhiVar()
static VarInfo	NIL(int slot)
static VarInfo	PARAM(int slot)
static VarInfo	PHI(ProtoInfo pi, int slot, int pc)
VarInfo	resolvePhiVariableValues() Return replacement variable if there is exactly one value possible, otherwise compute entire collection of variables and return null.
String	toString()

从类继承的方法 java.lang.Object

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

字段详细资料

INVALID

public static VarInfo INVALID

slot

public final int slot

pc

public final int pc

upvalue

public UpvalInfo upvalue

allocupvalue

public boolean allocupvalue

isreferenced

public boolean isreferenced

构造器详细资料

VarInfo

public VarInfo(int slot,
               int pc)

方法详细资料

PARAM

public static VarInfo PARAM(int slot)

NIL

public static VarInfo NIL(int slot)

PHI

public static VarInfo PHI(ProtoInfo pi,
                          int slot,
                          int pc)

toString

public String toString()

覆盖:

toString 在类中 Object

resolvePhiVariableValues

public VarInfo resolvePhiVariableValues()

Return replacement variable if there is exactly one value possible, otherwise compute entire collection of variables and return null. Computes the list of aall variable values, and saves it for the future.

返回:

new Variable to replace with if there is only one value, or null to leave alone.

collectUniqueValues

protected void collectUniqueValues(Set visitedBlocks,
                                   Set vars)

isPhiVar

public boolean isPhiVar()