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just format 

git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@1569 f5eafffb-2e1d-0410-98e4-8ec43c5233c4
This commit is contained in:
sjfink 2007-08-06 18:31:22 +00:00
parent b31268787f
commit 8f103735d0
1 changed files with 82 additions and 101 deletions
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183
com.ibm.wala.cast/source/java/com/ibm/wala/cast/tree/impl/CAstRewriter.java
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@ -18,15 +18,12 @@ import com.ibm.wala.util.*;
import com.ibm.wala.util.collections.*;
import com.ibm.wala.util.debug.*;
public abstract class
CAstRewriter<C extends CAstRewriter.RewriteContext<K>,
K extends CAstRewriter.CopyKey<K>>
{
public abstract class CAstRewriter<C extends CAstRewriter.RewriteContext<K>, K extends CAstRewriter.CopyKey<K>> {
protected static final boolean DEBUG = false;
public interface CopyKey<Self extends CopyKey> {
int hashCode();
boolean equals(Object o);
@ -36,7 +33,7 @@ public abstract class
};
public interface RewriteContext<K extends CopyKey> {
K key();
};
@ -74,78 +71,70 @@ public abstract class
return oldTarget;
}
private CAstControlFlowMap copyFlow(Map nodeMap,
CAstControlFlowMap orig,
CAstSourcePositionMap newSrc)
{
private CAstControlFlowMap copyFlow(Map nodeMap, CAstControlFlowMap orig, CAstSourcePositionMap newSrc) {
Set<CAstNode> mappedOutsideNodes = HashSetFactory.make(1);
CAstControlFlowRecorder newMap = new CAstControlFlowRecorder(newSrc);
Collection oldSources = orig.getMappedNodes();
for(Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext(); ) {
for (Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext();) {
Map.Entry entry = (Map.Entry) NS.next();
Pair N = (Pair)entry.getKey();
Pair N = (Pair) entry.getKey();
CAstNode oldSource = (CAstNode) N.fst;
CopyKey key = (CopyKey) N.snd;
CAstNode newSource = (CAstNode) entry.getValue();
Assertions._assert(newSource != null);
newMap.map(newSource, newSource);
if (DEBUG) {
Trace.println("\n\nlooking at "+key+":"+CAstPrinter.print(oldSource));
Trace.println("\n\nlooking at " + key + ":" + CAstPrinter.print(oldSource));
}
if (oldSources.contains(oldSource)) {
Iterator LS = orig.getTargetLabels(oldSource).iterator();
if (orig.getTarget(oldSource, null) != null) {
LS = new IteratorPlusOne(LS, null);
}
Iterator LS = orig.getTargetLabels(oldSource).iterator();
if (orig.getTarget(oldSource, null) != null) {
LS = new IteratorPlusOne(LS, null);
}
while (LS.hasNext()) {
Object label = LS.next();
CAstNode oldTarget = orig.getTarget(oldSource, label);
while (LS.hasNext()) {
Object label = LS.next();
CAstNode oldTarget = orig.getTarget(oldSource, label);
if (DEBUG) {
Trace.println("old: "+label+" --> "+CAstPrinter.print(oldTarget));
}
if (DEBUG) {
Trace.println("old: " + label + " --> " + CAstPrinter.print(oldTarget));
}
Pair targetKey;
CopyKey k = key;
do {
targetKey = new Pair(oldTarget, k);
if (k != null) {
k = k.parent();
} else {
break;
}
} while (! nodeMap.containsKey(targetKey));
CAstNode newTarget;
if (nodeMap.containsKey(targetKey)) {
newTarget = (CAstNode) nodeMap.get(targetKey);
newMap.add(newSource, newTarget, label);
} else {
newTarget = flowOutTo(nodeMap, oldSource, label, oldTarget, orig, newSrc);
Pair targetKey;
CopyKey k = key;
do {
targetKey = new Pair(oldTarget, k);
if (k != null) {
k = k.parent();
} else {
break;
}
} while (!nodeMap.containsKey(targetKey));
CAstNode newTarget;
if (nodeMap.containsKey(targetKey)) {
newTarget = (CAstNode) nodeMap.get(targetKey);
newMap.add(newSource, newTarget, label);
if (newTarget != CAstControlFlowMap.EXCEPTION_TO_EXIT
&&
!mappedOutsideNodes.contains(newTarget))
{
mappedOutsideNodes.add(newTarget);
} else {
newTarget = flowOutTo(nodeMap, oldSource, label, oldTarget, orig, newSrc);
newMap.add(newSource, newTarget, label);
if (newTarget != CAstControlFlowMap.EXCEPTION_TO_EXIT && !mappedOutsideNodes.contains(newTarget)) {
mappedOutsideNodes.add(newTarget);
newMap.map(newTarget, newTarget);
}
}
}
if (DEBUG) {
Trace.println("mapping:old: " + CAstPrinter.print(oldSource) +
"-- " + label + " --> " + CAstPrinter.print(oldTarget));
Trace.println("mapping:new: " + CAstPrinter.print(newSource) +
"-- " + label + " --> " + CAstPrinter.print(newTarget));
}
}
if (DEBUG) {
Trace.println("mapping:old: " + CAstPrinter.print(oldSource) + "-- " + label + " --> " + CAstPrinter.print(oldTarget));
Trace.println("mapping:new: " + CAstPrinter.print(newSource) + "-- " + label + " --> " + CAstPrinter.print(newTarget));
}
}
}
}
@ -154,36 +143,36 @@ public abstract class
private CAstSourcePositionMap copySource(Map nodeMap, CAstSourcePositionMap orig) {
CAstSourcePositionRecorder newMap = new CAstSourcePositionRecorder();
for(Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext(); ) {
Map.Entry entry = (Map.Entry)NS.next();
Pair N = (Pair)entry.getKey();
for (Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext();) {
Map.Entry entry = (Map.Entry) NS.next();
Pair N = (Pair) entry.getKey();
CAstNode oldNode = (CAstNode) N.fst;
CAstNode newNode = (CAstNode) entry.getValue();
if (orig.getPosition(oldNode) != null) {
newMap.setPosition(newNode, orig.getPosition(oldNode));
newMap.setPosition(newNode, orig.getPosition(oldNode));
}
}
return newMap;
}
private CAstNodeTypeMap copyTypes(Map nodeMap, CAstNodeTypeMap orig) {
if (orig != null) {
CAstNodeTypeMapRecorder newMap = new CAstNodeTypeMapRecorder();
for(Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext(); ) {
Map.Entry entry = (Map.Entry) NS.next();
Pair N = (Pair)entry.getKey();
CAstNode oldNode = (CAstNode) N.fst;
CAstNode newNode = (CAstNode) entry.getValue();
if (orig.getNodeType(oldNode) != null) {
newMap.add(newNode, orig.getNodeType(oldNode));
}
for (Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext();) {
Map.Entry entry = (Map.Entry) NS.next();
Pair N = (Pair) entry.getKey();
CAstNode oldNode = (CAstNode) N.fst;
CAstNode newNode = (CAstNode) entry.getValue();
if (orig.getNodeType(oldNode) != null) {
newMap.add(newNode, orig.getNodeType(oldNode));
}
}
return newMap;
} else {
return null;
@ -193,47 +182,39 @@ public abstract class
private Map copyChildren(Map nodeMap, Map children) {
final Map newChildren = new LinkedHashMap();
for(Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext(); ) {
Map.Entry entry = (Map.Entry)NS.next();
Pair N = (Pair)entry.getKey();
for (Iterator NS = nodeMap.entrySet().iterator(); NS.hasNext();) {
Map.Entry entry = (Map.Entry) NS.next();
Pair N = (Pair) entry.getKey();
CAstNode oldNode = (CAstNode) N.fst;
CAstNode newNode = (CAstNode) entry.getValue();
if (children.containsKey(oldNode)) {
Set newEntities = new LinkedHashSet();
newChildren.put(newNode, newEntities);
for(Iterator oldEntities = ((Collection)children.get(oldNode)).iterator();
oldEntities.hasNext(); )
{
newEntities.add( rewrite((CAstEntity)oldEntities.next() ) );
}
Set newEntities = new LinkedHashSet();
newChildren.put(newNode, newEntities);
for (Iterator oldEntities = ((Collection) children.get(oldNode)).iterator(); oldEntities.hasNext();) {
newEntities.add(rewrite((CAstEntity) oldEntities.next()));
}
}
}
for(Iterator keys = children.entrySet().iterator(); keys.hasNext();) {
for (Iterator keys = children.entrySet().iterator(); keys.hasNext();) {
Map.Entry entry = (Map.Entry) keys.next();
Object key = entry.getKey();
if (! (key instanceof CAstNode)) {
Set newEntities = new LinkedHashSet();
newChildren.put(key, newEntities);
for(Iterator oldEntities = ((Collection)entry.getValue()).iterator();
oldEntities.hasNext(); )
{
newEntities.add( rewrite((CAstEntity)oldEntities.next() ) );
}
if (!(key instanceof CAstNode)) {
Set newEntities = new LinkedHashSet();
newChildren.put(key, newEntities);
for (Iterator oldEntities = ((Collection) entry.getValue()).iterator(); oldEntities.hasNext();) {
newEntities.add(rewrite((CAstEntity) oldEntities.next()));
}
}
}
return newChildren;
}
public Rewrite rewrite(CAstNode root,
final CAstControlFlowMap cfg,
final CAstSourcePositionMap pos,
final CAstNodeTypeMap types,
final Map<CAstNode, Collection<CAstEntity>> children)
{
public Rewrite rewrite(CAstNode root, final CAstControlFlowMap cfg, final CAstSourcePositionMap pos, final CAstNodeTypeMap types,
final Map<CAstNode, Collection<CAstEntity>> children) {
final Map<CAstNode, CAstNode> nodes = HashMapFactory.make();
final CAstNode newRoot = copyNodes(root, rootContext, nodes);
return new Rewrite() {