sandmark.obfuscate.boolsplitter.dtree
Class PhiStmt

java.lang.Object
  |
  +--sandmark.obfuscate.boolsplitter.dtree.Node
        |
        +--sandmark.obfuscate.boolsplitter.dtree.Stmt
              |
              +--sandmark.obfuscate.boolsplitter.dtree.PhiStmt

All Implemented Interfaces:

Assign

Direct Known Subclasses:

PhiCatchStmt, PhiJoinStmt

public abstract class PhiStmt

extends Stmt

implements Assign

A PhiStmt is inserted into a CFG in Single Static Assignment for. It is used to "merge" uses of the same variable in different basic blocks.

See Also:

PhiJoinStmt, PhiCatchStmt

Field Summary

(package private) VarExpr

target

Fields inherited from class sandmark.obfuscate.boolsplitter.dtree.Node

key, parent, valueNumber

Constructor Summary

PhiStmt(VarExpr target)
Constructor.

Method Summary

java.lang.Object	clone()
DefExpr[]	defs() Return the expressions (variables) defined by this PhiStmt.
abstract java.util.Collection	operands()
VarExpr	target()

Methods inherited from class sandmark.obfuscate.boolsplitter.dtree.Stmt

cleanupOnly

Methods inherited from class sandmark.obfuscate.boolsplitter.dtree.Node

block, cleanup, copyInto, hasParent, key, parent, replaceWith, replaceWith, setKey, setParent, setValueNumber, toString, valueNumber, visit, visitChildren, visitForceChildren, visitOnly

Methods inherited from class java.lang.Object

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

Field Detail

target

VarExpr target

Constructor Detail

PhiStmt

public PhiStmt(VarExpr target)

Constructor.

Parameters:

target - A stack expression or local variable that is the target of this phi-statement.

Method Detail

target

public VarExpr target()

defs

public DefExpr[] defs()

Return the expressions (variables) defined by this PhiStmt. In this case, only the target is defined.

Specified by:

defs in interface Assign

operands

public abstract java.util.Collection operands()

clone

public java.lang.Object clone()

Specified by:

clone in class Stmt