forked from JavaTX/JavaCompilerCore
modified: src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
Fuer den Receiver wieder = eingefuegt. modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java Kommentierung begonnen
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@ -587,9 +587,13 @@ public class TYPEStmt implements StatementVisitor{
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*/
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RefTypeOrTPHOrWildcardOrGeneric retType = assumption.getReceiverType(resolver);
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methodConstraint.add(forMethod.name.equals("apply") ? //PL 2019-11-29: Tenaerer Operator eingefügt, weil bei Lambda-Ausdrücken keine Suntype FunN$$ existiert
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new Pair(forMethod.receiver.getType(), retType, PairOperator.EQUALSDOT)
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: new Pair(forMethod.receiver.getType(), retType, PairOperator.SMALLERDOT));
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methodConstraint.add(new Pair(forMethod.receiver.getType(), retType,
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PairOperator.EQUALSDOT));//PL 2020-03-17 SMALLERDOT in EQUALSDOT umgewandelt, weil alle geerbten Methoden in den jeweilen Klassen enthalten sind.
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//Fuer Bytecodegenerierung PL 2020-03-09 wird derzeit nicht benutzt ANFANG
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//methodConstraint.add(new Pair(forMethod.receiverType, retType,
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// PairOperator.EQUALSDOT));
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//Fuer Bytecodegenerierung PL 2020-03-09 wird derzeit nicht benutzt ENDE
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methodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(),
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PairOperator.EQUALSDOT));
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@ -457,7 +457,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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//Aufruf von computeCartesianRecursive ANFANG
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//writeLog("topLevelSets: " + topLevelSets.toString());
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return computeCartesianRecursive(new HashSet<>(), new ArrayList<>(topLevelSets), eq, oderConstraintsOutput, fc, parallel, rekTiefe, finalresult);
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return computeCartesianRecursive(new ArrayList<>(topLevelSets), eq, oderConstraintsOutput, fc, parallel, rekTiefe, finalresult);
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}
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@ -587,10 +587,21 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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}
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Set<Set<UnifyPair>> computeCartesianRecursive(Set<Set<UnifyPair>> fstElems, ArrayList<Set<? extends Set<UnifyPair>>> topLevelSets, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe, Boolean finalresult) {
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/**
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* Computes the cartesian product of topLevelSets step by step.
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* @param topLevelSets List of Sets of Sets, where a cartesian product have to be built
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* Ex.: [{{a =. Integer}, {a = Object}}, {{a = Vector<b>, b =. Integer}, {a = Vector<b>, b =. Object}}]
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* @param eq Original set of equations which should be unified
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* @param oderConstraints Remaining or-constraints
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* @param fc The finite closure
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* @param parallel If the algorithm should be parallelized run
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* @param rekTiefe Deep of recursive calls
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* @param finalresult Gives if unify is not called from checkA
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* @return The set of all principal type unifiers
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*/
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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) {
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//ArrayList<Set<Set<UnifyPair>>> remainingSets = new ArrayList<>(topLevelSets);
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Set<Set<UnifyPair>> fstElems = new HashSet<>();
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fstElems.addAll(topLevelSets.stream()
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.filter(x -> x.size()==1)
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.map(y -> y.stream().findFirst().get())
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@ -617,6 +628,12 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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Set<Set<UnifyPair>> result = new HashSet<>();
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int variance = 0;
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/* Varianzbestimmung Anfang
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* Oderconstraint, wenn entweder kein Basepair oder unterschiedliche Basepairs => oderConstraint = true;
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* Varianz = 1 => Argumentvariable
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* Varianz = -1 => Rückgabevariable
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* Varianz = 0 => unklar
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* Varianz = 2 => Operatoren oderConstraints */
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ArrayList<UnifyPair> zeroNextElem = new ArrayList<>(nextSetasList.get(0));
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UnifyPair fstBasePair = zeroNextElem.remove(0).getBasePair();
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Boolean oderConstraint = false;
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@ -639,16 +656,15 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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}
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}
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else {
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//variance = 2;
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oderConstraint = true;
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}
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}
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else {
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//variance = 2;
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oderConstraint = true;
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}
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if (oderConstraint) {//Varianz-Bestimmung Oder-Constraints
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//Varianz-Bestimmung Oder-Constraints
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if (oderConstraint) {
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if (printtag) System.out.println("nextSetasList " + nextSetasList);
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Optional<Integer> optVariance =
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nextSetasList.iterator()
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@ -661,20 +677,18 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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((PlaceholderType)x.getGroundBasePair().getLhsType()).getVariance())
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.findAny();
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//Fuer Operatorenaufrufe wird variance auf 2 gesetzt.
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//da kein Receiver existiert also keon x.getGroundBasePair().getLhsType() instanceof PlaceholderType
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//Es werden alle Elemente des Kartesischen Produkts abgearbeitet
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//da kein Receiver existiert also kein x.getGroundBasePair().getLhsType() instanceof PlaceholderType
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//Bei Varianz = 2 werden alle Elemente des Kartesischen Produkts abgearbeitet
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variance = optVariance.isPresent() ? optVariance.get() : 2;
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}
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/* Varianzbestimmung Ende */
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if (!nextSetasList.iterator().hasNext())
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System.out.print("");
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if (nextSetasList.iterator().next().stream().filter(x -> x.getLhsType().getName().equals("D")).findFirst().isPresent() && nextSetasList.size()>1)
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System.out.print("");
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//writeLog("nextSetasList: " + nextSetasList.toString());
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Set<UnifyPair> nextSetElem = nextSetasList.get(0);
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//writeLog("BasePair1: " + nextSetElem + " " + nextSetElem.iterator().next().getBasePair());
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/* sameEqSet-Bestimmung: Wenn a = ty \in nextSet dann enthaelt sameEqSet alle Paare a < ty1 oder ty2 < a aus fstElems */
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/* sameEqSet-Bestimmung: Wenn a = ty \in nextSet dann enthaelt sameEqSet
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* alle Paare a < ty1 oder ty2 < a aus fstElems */
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Set<UnifyPair> sameEqSet = new HashSet<>();
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Optional<UnifyPair> optOrigPair = null;
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//if (variance != 2) {
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@ -710,14 +724,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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/* sameEqSet-Bestimmung Ende */
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Set<UnifyPair> a = null;
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while (nextSetasList.size() > 0) { //(nextSetasList.size() != 0) {
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while (nextSetasList.size() > 0) {
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Set<UnifyPair> a_last = a;
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//Liste der Faelle für die parallele Verarbeitung
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List<Set<UnifyPair>> nextSetasListRest = new ArrayList<>();
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//Liste der Faelle, bei dem Receiver jeweils "? extends" enthaelt bzw. nicht enthaelt
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//In der Regel ein Element
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//In der Regel is dies ein Element
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List<Set<UnifyPair>> nextSetasListOderConstraints = new ArrayList<>();
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writeLog("nextSet: " + nextSet.toString());
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