coins.backend.lir
Class LirNode.Scanner

java.lang.Object
  coins.backend.lir.LirNode.Scanner

All Implemented Interfaces:

java.util.Iterator

Enclosing class:

LirNode

public static class LirNode.Scanner

extends java.lang.Object

implements java.util.Iterator

Scanner for LIR expression tree.

Field Summary

(package private) LirNode[]	buf
(package private) LirNode[]	clobberBuf
(package private) LirNode[]	defBuf
(package private) int	nClobbers
(package private) int	nDefs
(package private) int	nUses
(package private) int	ptr
(package private) LirNode	scanned
(package private) int	size
(package private) LirNode[]	useBuf

Constructor Summary

LirNode.Scanner()

Method Summary

java.util.Iterator	forClobbers(LirNode tree) Return iterator for enumerating register CLOBBERs in tree.
java.util.Iterator	forDefs(LirNode tree) Return iterator for enumerating register variable DEFs in tree.
java.util.Iterator	forUses(LirNode tree) Return iterator for enumerating register variable USEs in tree.
boolean	hasNext()
java.lang.Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

scanned

LirNode scanned

useBuf

LirNode[] useBuf

defBuf

LirNode[] defBuf

clobberBuf

LirNode[] clobberBuf

buf

LirNode[] buf

nUses

int nUses

nDefs

int nDefs

nClobbers

int nClobbers

size

int size

ptr

int ptr

Constructor Detail

LirNode.Scanner

public LirNode.Scanner()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

forUses

public java.util.Iterator forUses(LirNode tree)

Return iterator for enumerating register variable USEs in tree.

forDefs

public java.util.Iterator forDefs(LirNode tree)

Return iterator for enumerating register variable DEFs in tree.

forClobbers

public java.util.Iterator forClobbers(LirNode tree)

Return iterator for enumerating register CLOBBERs in tree.