protected void testPegChain(Chain chain) {
System.out.println("******** chain********");
Iterator it = chain.iterator();
while (it.hasNext()) {
/*Object o = it.next();
System.out.println(o);
if (!(o instanceof JPegStmt)) System.out.println("not instanceof JPegStmt: "+o);
JPegStmt s = (JPegStmt)o;
*/
JPegStmt stmt = (JPegStmt) it.next();
System.out.println(stmt.toString());
/*if (stmt.getName().equals("start")){
System.out.println("find start method in : " + stmt.toString() );
List list =(List)startToThread.get(stmt);
Iterator chainIt = list.iterator();
while (chainIt.hasNext()){
Chain chain = (Chain)chainIt.next();
Iterator subit = chain.iterator();
while (subit.hasNext()){
System.out.println("**" + ((JPegStmt)subit.next()).toString());
}
}
System.out.println("$$$$$$returing to main chain");
}
*/
}
}
private void buildHeadsAndTails() {
List tailList = new ArrayList();
List headList = new ArrayList();
// Build the sets
{
Iterator unitIt = mainPegChain.iterator();
while (unitIt.hasNext()) {
JPegStmt s = (JPegStmt) unitIt.next();
List succs = unitToSuccs.get(s);
if (succs.size() == 0) tailList.add(s);
if (!unitToPreds.containsKey(s)) {
System.err.println("unitToPreds does not contain key: " + s);
System.exit(1);
}
List preds = unitToPreds.get(s);
if (preds.size() == 0) headList.add(s);
// System.out.println("head is:");
}
}
tails = (List) tailList;
heads = (List) headList;
// tails = Collections.unmodifiableList(tailList);
// heads = Collections.unmodifiableList(headList);
Iterator tmpIt = heads.iterator();
while (tmpIt.hasNext()) {
Object temp = tmpIt.next();
// System.out.println(temp);
}
buildPredecessor(mainPegChain);
}
/*
private void deleteExitToException(){
Iterator it = iterator();
while (it.hasNext()){
JPegStmt stmt = (JPegStmt)it.next();
Unit unit = stmt.getUnit();
UnitGraph unitGraph = stmt.getUnitGraph();
if (unit instanceof ExitMonitorStmt){
Iterator succIt = unitGraph.getSuccsOf(unit).iterator();
while(succIt.next
&& exceHandlers.contains(un) ){
System.out.println("====find it! unit: "+unit+"\n un: "+un);
continue;
}
}
}
*/
private void buildPredecessor(Chain pegChain) {
// System.out.println("==building predcessor===");
// initialize the pred sets to empty
{
JPegStmt s = null;
Iterator unitIt = pegChain.iterator();
while (unitIt.hasNext()) {
s = (JPegStmt) unitIt.next();
unitToPreds.put(s, new ArrayList());
}
}
// System.out.println("==finish init of unitToPred===");
{
Iterator unitIt = pegChain.iterator();
while (unitIt.hasNext()) {
Object s = unitIt.next();
// System.out.println("s is: "+s);
// Modify preds set for each successor for this statement
if (unitToSuccs.containsKey(s)) {
List succList = unitToSuccs.get(s);
Iterator succIt = succList.iterator();
// System.out.println("unitToSuccs contains "+s);
// System.out.println("succList is: "+succList);
while (succIt.hasNext()) {
// Object successor = succIt.next();
JPegStmt successor = (JPegStmt) succIt.next();
// System.out.println("successor is: "+successor);
List<Object> predList = unitToPreds.get(successor);
// System.out.println("predList is: "+predList);
if (predList != null && !predList.contains(s)) {
try {
predList.add(s);
/*
Tag tag1 = (Tag)((JPegStmt)s).getTags().get(0);
System.out.println("add "+tag1+" "+s+" to predListof");
Tag tag2 = (Tag)((JPegStmt)successor).getTags().get(0);
System.out.println(tag2+" "+successor);
*/
} catch (NullPointerException e) {
System.out.println(s + "successor: " + successor);
throw e;
}
// if (((JPegStmt)successor).getName().equals("start")){
if (successor instanceof StartStmt) {
List runMethodChainList = startToThread.get(successor);
if (runMethodChainList == null) {
throw new RuntimeException("null runmehtodchain: \n" + successor.getUnit());
}
Iterator possibleMethodIt = runMethodChainList.iterator();
while (possibleMethodIt.hasNext()) {
Chain subChain = (Chain) possibleMethodIt.next();
buildPredecessor(subChain);
}
}
} else {
System.err.println("predlist of " + s + " is null");
// System.exit(1);
}
// unitToPreds.put(successor, predList);
}
} else {
System.err.println("unitToSuccs does not contains key" + s);
System.exit(1);
}
}
}
}
private void buildSuccessor(Chain pegChain) {
// Add regular successors
{
HashMap unitToPeg = (HashMap) unitToPegMap.get(pegChain);
Iterator pegIt = pegChain.iterator();
JPegStmt currentNode, nextNode;
currentNode = pegIt.hasNext() ? (JPegStmt) pegIt.next() : null;
// June 19 add for begin node
if (currentNode != null) {
// System.out.println("currentNode: "+currentNode);
// if the unit is "begin" node
nextNode = pegIt.hasNext() ? (JPegStmt) pegIt.next() : null;
if (currentNode.getName().equals("begin")) {
List<JPegStmt> successors = new ArrayList<JPegStmt>();
successors.add(nextNode);
unitToSuccs.put(currentNode, successors);
currentNode = nextNode;
}
// end June 19 add for begin node
while (currentNode != null) {
// System.out.println("currentNode: "+currentNode);
/* If unitToSuccs contains currentNode, it is the point to inline methods,
* we need not compute its successors again
*/
if (unitToSuccs.containsKey(currentNode) && !currentNode.getName().equals("wait")) {
currentNode = pegIt.hasNext() ? (JPegStmt) pegIt.next() : null;
continue;
}
List<JPegStmt> successors = new ArrayList<JPegStmt>();
Unit unit = currentNode.getUnit();
UnitGraph unitGraph = currentNode.getUnitGraph();
List unitSucc = unitGraph.getSuccsOf(unit);
Iterator succIt = unitSucc.iterator();
while (succIt.hasNext()) {
Unit un = (Unit) succIt.next();
// Don't build the edge from "monitor exit" to exception handler
if (unit instanceof ExitMonitorStmt && exceHandlers.contains(un)) {
// System.out.println("====find it! unit: "+unit+"\n un: "+un);
continue;
} else if (unitToPeg.containsKey(un)) {
JPegStmt pp = (JPegStmt) (unitToPeg.get(un));
if (pp != null && !successors.contains(pp)) successors.add(pp);
}
} // end while
if (currentNode.getName().equals("wait")) {
while (!(currentNode.getName().equals("notified-entry"))) {
currentNode = pegIt.hasNext() ? (JPegStmt) pegIt.next() : null;
}
unitToSuccs.put(currentNode, successors);
// System.out.println("put key: "+currentNode+" into unitToSucc");
} else {
unitToSuccs.put(currentNode, successors);
}
if (currentNode.getName().equals("start")) {
// System.out.println("-----build succ for start----");
if (startToThread.containsKey(currentNode)) {
List runMethodChainList = startToThread.get(currentNode);
Iterator possibleMethodIt = runMethodChainList.iterator();
while (possibleMethodIt.hasNext()) {
Chain subChain = (Chain) possibleMethodIt.next();
if (subChain != null) {
// System.out.println("build succ for subChain");
// buildSuccessor(subGraph, subChain, addExceptionEdges);
buildSuccessor(subChain);
} else System.out.println("*********subgraph is null!!!");
}
}
}
currentNode = pegIt.hasNext() ? (JPegStmt) pegIt.next() : null;
} // while
// June 19 add for begin node
}
// end June 19 add for begin node
}
}
public Iterator mainIterator() {
return mainPegChain.iterator();
}
/** Prints the given <code>JimpleBody</code> to the specified <code>PrintWriter</code>. */
private void printStatementsInBody(
Body body, java.io.PrintWriter out, LabeledUnitPrinter up, UnitGraph unitGraph) {
Chain units = body.getUnits();
Iterator unitIt = units.iterator();
Unit currentStmt = null, previousStmt;
while (unitIt.hasNext()) {
previousStmt = currentStmt;
currentStmt = (Unit) unitIt.next();
// Print appropriate header.
{
// Put an empty line if the previous node was a branch node, the current node is a join node
// or the previous statement does not have body statement as a successor, or if
// body statement has a label on it
if (currentStmt != units.getFirst()) {
if (unitGraph.getSuccsOf(previousStmt).size() != 1
|| unitGraph.getPredsOf(currentStmt).size() != 1
|| up.labels().containsKey(currentStmt)) {
up.newline();
} else {
// Or if the previous node does not have body statement as a successor.
List succs = unitGraph.getSuccsOf(previousStmt);
if (succs.get(0) != currentStmt) {
up.newline();
}
}
}
if (up.labels().containsKey(currentStmt)) {
up.unitRef(currentStmt, true);
up.literal(":");
up.newline();
}
if (up.references().containsKey(currentStmt)) {
up.unitRef(currentStmt, false);
}
}
up.startUnit(currentStmt);
currentStmt.toString(up);
up.endUnit(currentStmt);
up.literal(";");
up.newline();
// only print them if not generating attributes files
// because they mess up line number
// if (!addJimpleLn()) {
if (Options.v().print_tags_in_output()) {
Iterator tagIterator = currentStmt.getTags().iterator();
while (tagIterator.hasNext()) {
Tag t = (Tag) tagIterator.next();
up.noIndent();
up.literal("/*");
up.literal(t.toString());
up.literal("*/");
up.newline();
}
/*Iterator udIt = currentStmt.getUseAndDefBoxes().iterator();
while (udIt.hasNext()) {
ValueBox temp = (ValueBox)udIt.next();
Iterator vbtags = temp.getTags().iterator();
while (vbtags.hasNext()) {
Tag t = (Tag) vbtags.next();
up.noIndent();
up.literal("VB Tag: "+t.toString());
up.newline();
}
}*/
}
}
out.print(up.toString());
if (addJimpleLn()) {
setJimpleLnNum(up.getPositionTagger().getEndLn());
}
// Print out exceptions
{
Iterator trapIt = body.getTraps().iterator();
if (trapIt.hasNext()) {
out.println();
incJimpleLnNum();
}
while (trapIt.hasNext()) {
Trap trap = (Trap) trapIt.next();
out.println(
" catch "
+ Scene.v().quotedNameOf(trap.getException().getName())
+ " from "
+ up.labels().get(trap.getBeginUnit())
+ " to "
+ up.labels().get(trap.getEndUnit())
+ " with "
+ up.labels().get(trap.getHandlerUnit())
+ ";");
incJimpleLnNum();
}
}
}
