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Occurs-Check mit Abbruch eingebaut

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finalResult zum Attribut der Klasse gemacht
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pl@gohorb.ba-horb.de 2021-01-13 19:39:01 +01:00
parent fec83c3a62
commit e00d76ce3b
4 changed files with 47 additions and 19 deletions
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2
src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java
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@ -655,7 +655,6 @@ public class RuleSet implements IRuleSet{
else else
t1.getTypeParams().forEach(x -> occuringTypes.push(x)); t1.getTypeParams().forEach(x -> occuringTypes.push(x));
} }
Queue<UnifyPair> result1 = new LinkedList<UnifyPair>(pairs); Queue<UnifyPair> result1 = new LinkedList<UnifyPair>(pairs);
ArrayList<UnifyPair> result = new ArrayList<UnifyPair>(); ArrayList<UnifyPair> result = new ArrayList<UnifyPair>();
boolean applied = false; boolean applied = false;
@ -669,6 +668,7 @@ public class RuleSet implements IRuleSet{
&& pair.getLhsType() instanceof PlaceholderType) && pair.getLhsType() instanceof PlaceholderType)
lhsType = (PlaceholderType) pair.getLhsType(); lhsType = (PlaceholderType) pair.getLhsType();
rhsType = pair.getRhsType(); //PL eingefuegt 2017-09-29 statt !((rhsType = pair.getRhsType()) instanceof PlaceholderType) rhsType = pair.getRhsType(); //PL eingefuegt 2017-09-29 statt !((rhsType = pair.getRhsType()) instanceof PlaceholderType)
if(lhsType != null if(lhsType != null
//&& !((rhsType = pair.getRhsType()) instanceof PlaceholderType) //PL geloescht am 2017-09-29 Begründung: auch Typvariablen muessen ersetzt werden. //&& !((rhsType = pair.getRhsType()) instanceof PlaceholderType) //PL geloescht am 2017-09-29 Begründung: auch Typvariablen muessen ersetzt werden.
&& typeMap.get(lhsType) > 1 // The type occurs in more pairs in the set than just the recent pair. && typeMap.get(lhsType) > 1 // The type occurs in more pairs in the set than just the recent pair.

2
src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java
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@ -34,7 +34,7 @@ public class TypeUnify2Task extends TypeUnifyTask {
System.out.println("two"); System.out.println("two");
} }
one = true; one = true;
Set<Set<UnifyPair>> res = unify2(setToFlatten, eq, oderConstraintsField, fc, parallel, rekTiefeField, true); Set<Set<UnifyPair>> res = unify2(setToFlatten, eq, oderConstraintsField, fc, parallel, rekTiefeField);
/*if (isUndefinedPairSetSet(res)) { /*if (isUndefinedPairSetSet(res)) {
return new HashSet<>(); } return new HashSet<>(); }
else else

59
src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
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@ -110,6 +110,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
protected boolean parallel; protected boolean parallel;
//Gives if unify is not called from checkA
private boolean finalresult = true;
int rekTiefeField; int rekTiefeField;
Integer nOfUnify = 0; Integer nOfUnify = 0;
@ -257,7 +260,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
ArrayList<Set<Constraint<UnifyPair>>> remainingOderconstraints = oderConstraintsField.stream() ArrayList<Set<Constraint<UnifyPair>>> remainingOderconstraints = oderConstraintsField.stream()
.filter(x -> x.size()>1) .filter(x -> x.size()>1)
.collect(Collectors.toCollection(ArrayList::new)); .collect(Collectors.toCollection(ArrayList::new));
Set<Set<UnifyPair>> res = unify(neweq, remainingOderconstraints, fc, parallel, rekTiefeField, true); Set<Set<UnifyPair>> res = unify(neweq, remainingOderconstraints, fc, parallel, rekTiefeField);
noOfThread--; noOfThread--;
try { try {
logFile.close(); logFile.close();
@ -299,7 +302,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
* @param fc The finite closure * @param fc The finite closure
* @return The set of all principal type unifiers * @return The set of all principal type unifiers
*/ */
protected Set<Set<UnifyPair>> unify(final Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe, Boolean finalresult) { protected Set<Set<UnifyPair>> unify(final Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe) {
//Set<UnifyPair> aas = eq.stream().filter(x -> x.getLhsType().getName().equals("AA") //&& x.getPairOp().equals(PairOperator.SMALLERDOT) //Set<UnifyPair> aas = eq.stream().filter(x -> x.getLhsType().getName().equals("AA") //&& x.getPairOp().equals(PairOperator.SMALLERDOT)
// ).collect(Collectors.toCollection(HashSet::new)); // ).collect(Collectors.toCollection(HashSet::new));
//writeLog(nOfUnify.toString() + " AA: " + aas.toString()); //writeLog(nOfUnify.toString() + " AA: " + aas.toString());
@ -308,9 +311,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
//} //}
//.collect(Collectors.toCollection(HashSet::new))); //.collect(Collectors.toCollection(HashSet::new)));
/*
* Step 1: Repeated application of reduce, adapt, erase, swap
*/
synchronized (usedTasks) { synchronized (usedTasks) {
if (this.myIsCancelled()) { if (this.myIsCancelled()) {
return new HashSet<>(); return new HashSet<>();
@ -339,6 +340,29 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
return ret; return ret;
} }
/*
* Occurs-Check durchfuehren
*/
Set<UnifyPair> ocurrPairs = eq.stream().filter(x -> {
UnifyType lhs, rhs;
return (lhs = x.getLhsType()) instanceof PlaceholderType
&& !((rhs = x.getRhsType()) instanceof PlaceholderType)
&& rhs.getTypeParams().occurs((PlaceholderType)lhs);})
.map(x -> { x.setUndefinedPair(); return x;})
.collect(Collectors.toCollection(HashSet::new));
writeLog("ocurrPairs: " + ocurrPairs);
if (ocurrPairs.size() > 0) {
Set<Set<UnifyPair>> ret = new HashSet<>();
ret.add(ocurrPairs);
return ret;
}
/*
* Step 1: Repeated application of reduce, adapt, erase, swap
*/
Set<UnifyPair> eq0; Set<UnifyPair> eq0;
Set<UnifyPair> eq0Prime; Set<UnifyPair> eq0Prime;
Optional<Set<UnifyPair>> eqSubst = Optional.of(eq); Optional<Set<UnifyPair>> eqSubst = Optional.of(eq);
@ -457,12 +481,12 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
//Aufruf von computeCartesianRecursive ANFANG //Aufruf von computeCartesianRecursive ANFANG
//writeLog("topLevelSets: " + topLevelSets.toString()); //writeLog("topLevelSets: " + topLevelSets.toString());
return computeCartesianRecursive(new ArrayList<>(topLevelSets), eq, oderConstraintsOutput, fc, parallel, rekTiefe, finalresult); return computeCartesianRecursive(new ArrayList<>(topLevelSets), eq, oderConstraintsOutput, fc, parallel, rekTiefe);
} }
Set<Set<UnifyPair>> unify2(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe, Boolean finalresult) { Set<Set<UnifyPair>> unify2(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe) {
//Aufruf von computeCartesianRecursive ENDE //Aufruf von computeCartesianRecursive ENDE
//keine Ahnung woher das kommt //keine Ahnung woher das kommt
@ -551,12 +575,12 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
} }
} }
else if(eqPrimePrime.isPresent()) { else if(eqPrimePrime.isPresent()) {
Set<Set<UnifyPair>> unifyres = unifyres1 = unify(eqPrimePrime.get(), newOderConstraints, fc, parallel, rekTiefe, finalresult); Set<Set<UnifyPair>> unifyres = unifyres1 = unify(eqPrimePrime.get(), newOderConstraints, fc, parallel, rekTiefe);
eqPrimePrimeSet.addAll(unifyres); eqPrimePrimeSet.addAll(unifyres);
} }
else { else {
Set<Set<UnifyPair>> unifyres = unifyres2 = unify(eqPrime, newOderConstraints, fc, parallel, rekTiefe, finalresult); Set<Set<UnifyPair>> unifyres = unifyres2 = unify(eqPrime, newOderConstraints, fc, parallel, rekTiefe);
eqPrimePrimeSet.addAll(unifyres); eqPrimePrimeSet.addAll(unifyres);
@ -596,10 +620,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
* @param fc The finite closure * @param fc The finite closure
* @param parallel If the algorithm should be parallelized run * @param parallel If the algorithm should be parallelized run
* @param rekTiefe Deep of recursive calls * @param rekTiefe Deep of recursive calls
* @param finalresult Gives if unify is not called from checkA
* @return The set of all principal type unifiers * @return The set of all principal type unifiers
*/ */
Set<Set<UnifyPair>> computeCartesianRecursive(ArrayList<Set<? extends Set<UnifyPair>>> topLevelSets, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe, Boolean finalresult) { Set<Set<UnifyPair>> computeCartesianRecursive(ArrayList<Set<? extends Set<UnifyPair>>> topLevelSets, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe) {
//ArrayList<Set<Set<UnifyPair>>> remainingSets = new ArrayList<>(topLevelSets); //ArrayList<Set<Set<UnifyPair>>> remainingSets = new ArrayList<>(topLevelSets);
Set<Set<UnifyPair>> fstElems = new HashSet<>(); Set<Set<UnifyPair>> fstElems = new HashSet<>();
fstElems.addAll(topLevelSets.stream() fstElems.addAll(topLevelSets.stream()
@ -610,7 +633,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
.filter(x -> x.size()>1) .filter(x -> x.size()>1)
.collect(Collectors.toCollection(ArrayList::new)); .collect(Collectors.toCollection(ArrayList::new));
if (remainingSets.isEmpty()) {//Alle Elemente sind 1-elementig if (remainingSets.isEmpty()) {//Alle Elemente sind 1-elementig
Set<Set<UnifyPair>> result = unify2(fstElems, eq, oderConstraints, fc, parallel, rekTiefe, finalresult); Set<Set<UnifyPair>> result = unify2(fstElems, eq, oderConstraints, fc, parallel, rekTiefe);
return result; return result;
} }
Set<? extends Set<UnifyPair>> nextSet = remainingSets.remove(0); Set<? extends Set<UnifyPair>> nextSet = remainingSets.remove(0);
@ -1173,7 +1196,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
} else { } else {
//parallel = false; //Wenn MaxNoOfThreads erreicht ist, sequentiell weiterarbeiten //parallel = false; //Wenn MaxNoOfThreads erreicht ist, sequentiell weiterarbeiten
elems.add(a); //PL 2019-01-16 muss das wirklich hin steht schon in Zeile 859 ja braucht man siehe Zeile 859 elems.add(a); //PL 2019-01-16 muss das wirklich hin steht schon in Zeile 859 ja braucht man siehe Zeile 859
res = unify2(elems, eq, oderConstraints, fc, parallel, rekTiefe, finalresult); res = unify2(elems, eq, oderConstraints, fc, parallel, rekTiefe);
}}} }}}
if (!isUndefinedPairSetSet(res) && isUndefinedPairSetSet(result)) { if (!isUndefinedPairSetSet(res) && isUndefinedPairSetSet(result)) {
//wenn korrektes Ergebnis gefunden alle Fehlerfaelle loeschen //wenn korrektes Ergebnis gefunden alle Fehlerfaelle loeschen
@ -1523,7 +1546,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
unitedSubst.addAll(sameEq.getAllSubstitutions()); unitedSubst.addAll(sameEq.getAllSubstitutions());
unitedSubst.addAll(sameEq.getAllBases()); unitedSubst.addAll(sameEq.getAllBases());
localEq.add(new UnifyPair(aPair.getRhsType(), sameEq.getRhsType(), sameEq.getPairOp(), unitedSubst, null)); localEq.add(new UnifyPair(aPair.getRhsType(), sameEq.getRhsType(), sameEq.getPairOp(), unitedSubst, null));
Set<Set<UnifyPair>> localRes = unify(localEq, new ArrayList<>(), fc, false, 0, false); finalresult = false;
Set<Set<UnifyPair>> localRes = unify(localEq, new ArrayList<>(), fc, false, 0);
finalresult = true;
if (isUndefinedPairSetSet(localRes)) { if (isUndefinedPairSetSet(localRes)) {
if (result.isEmpty() || isUndefinedPairSetSet(result)) { if (result.isEmpty() || isUndefinedPairSetSet(result)) {
result.addAll(localRes); result.addAll(localRes);
@ -1539,7 +1564,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
unitedSubst.addAll(sameEq.getAllSubstitutions()); unitedSubst.addAll(sameEq.getAllSubstitutions());
unitedSubst.addAll(sameEq.getAllBases()); unitedSubst.addAll(sameEq.getAllBases());
localEq.add(new UnifyPair(sameEq.getLhsType(), aPair.getRhsType(), sameEq.getPairOp(), unitedSubst, null)); localEq.add(new UnifyPair(sameEq.getLhsType(), aPair.getRhsType(), sameEq.getPairOp(), unitedSubst, null));
Set<Set<UnifyPair>> localRes = unify(localEq, new ArrayList<>(), fc, false, 0, false); finalresult = false;
Set<Set<UnifyPair>> localRes = unify(localEq, new ArrayList<>(), fc, false, 0);
finalresult = true;
if (isUndefinedPairSetSet(localRes)) { if (isUndefinedPairSetSet(localRes)) {
if (result.isEmpty() || isUndefinedPairSetSet(result)) { if (result.isEmpty() || isUndefinedPairSetSet(result)) {
result.addAll(localRes); result.addAll(localRes);
@ -2519,7 +2546,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
void writeLog(String str) { void writeLog(String str) {
synchronized ( this ) { synchronized ( this ) {
if (log) { if (log && finalresult) {
try { try {
logFile.write("Thread no.:" + thNo + "\n"); logFile.write("Thread no.:" + thNo + "\n");
logFile.write("noOfThread:" + noOfThread + "\n"); logFile.write("noOfThread:" + noOfThread + "\n");

3
src/test/java/AllgemeinTest.java
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@ -40,7 +40,8 @@ public class AllgemeinTest {
//String className = "FCTest3"; //String className = "FCTest3";
//String className = "Var"; //String className = "Var";
//String className = "Put"; //String className = "Put";
String className = "Twice"; //String className = "Twice";
String className = "TestSubTypless";
//PL 2019-10-24: genutzt fuer unterschiedliche Tests //PL 2019-10-24: genutzt fuer unterschiedliche Tests
path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/" + className + ".jav"; path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/" + className + ".jav";
//path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav"; //path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav";