coins.flow
Class BBlockSubtreeIteratorImpl

java.lang.Object
  coins.flow.BBlockSubtreeIteratorImpl

All Implemented Interfaces:

BBlockSubtreeIterator

Direct Known Subclasses:

BBlockHirSubtreeIteratorImpl

public class BBlockSubtreeIteratorImpl

extends java.lang.Object

implements BBlockSubtreeIterator

BBlockSubtreeIteratorImpl class Basic block subtree iterator to traverse HIR top-subtrees in a basic block.

Field Summary

protected HIR	fCurrSubtree
protected int	fDbgLevel
protected boolean	fHeaderPassed
FlowRoot	flowRoot
protected int	fNextStmtIndex
protected HIR	fNextSubtree
protected SubpFlow	fSubpFlow
IoRoot	ioRoot

Constructor Summary

BBlockSubtreeIteratorImpl(FlowRoot pFlowRoot, BBlock pBBlock)

Method Summary

protected HIR	getNextSubtree(HIR pHir, boolean pGet)
boolean	hasNext() hasNext
IR	next() next: Get the next top subtree in the specified basic block.

Methods inherited from class java.lang.Object

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

Field Detail

flowRoot

public final FlowRoot flowRoot

ioRoot

public final IoRoot ioRoot

fSubpFlow

protected SubpFlow fSubpFlow

fNextStmtIndex

protected int fNextStmtIndex

fHeaderPassed

protected boolean fHeaderPassed

fCurrSubtree

protected HIR fCurrSubtree

fNextSubtree

protected HIR fNextSubtree

fDbgLevel

protected final int fDbgLevel

Constructor Detail

BBlockSubtreeIteratorImpl

public BBlockSubtreeIteratorImpl(FlowRoot pFlowRoot,
                                 BBlock pBBlock)

Method Detail

next

public IR next()

next: Get the next top subtree in the specified basic block. If no one is left, return null.

Specified by:

next in interface BBlockSubtreeIterator

hasNext

public boolean hasNext()

Description copied from interface: BBlockSubtreeIterator

hasNext

Specified by:

hasNext in interface BBlockSubtreeIterator

Returns:

true if there remains thte next top subtree in the basic block.

getNextSubtree

protected HIR getNextSubtree(HIR pHir,
                             boolean pGet)