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modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

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modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
- Hastables fuer greater und smaller eingefuehrt
- ? extends/super a <. a = -1 hinzugefuegt
This commit is contained in:
Martin Plümicke 2019-01-15 15:58:39 +01:00
parent eb43a616e2
commit fa42a69374
2 changed files with 59 additions and 6 deletions
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8
src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
View File

@ -827,7 +827,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
Set<UnifyPair> compRes = fstElemRes.stream().filter(x -> vars_a.contains(((PlaceholderType)x.getLhsType()))).collect(Collectors.toCollection(HashSet::new));
//Alle Variablen bestimmen die nicht hinzugefügt wurden in a_last
System.out.println(a_last);
//System.out.println(a_last);
a_last.forEach(x -> {writeLog("a_last_elem:" + x + " basepair: " + x.getBasePair());});
List<PlaceholderType> varsLast_a =
a_last.stream().filter(x -> ((x.getLhsType().getName().equals(x.getBasePair().getLhsType().getName())
@ -900,7 +900,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
Iterator<Set<UnifyPair>> nextSetasListIt = new ArrayList<Set<UnifyPair>>(nextSetasList).iterator();
if (variance == 1) {
System.out.println("");
writeLog("a: " + a.toString());
writeLog("a: " + rekTiefe + " variance: " + variance + a.toString());
while (nextSetasListIt.hasNext()) {
Set<UnifyPair> a_next = nextSetasListIt.next();
if (a.equals(a_next) ||
@ -916,7 +916,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
}
else { if (variance == -1) {
System.out.println("");
writeLog("a: " + a.toString());
writeLog("a: " + rekTiefe + " variance: " + variance + a.toString());
while (nextSetasListIt.hasNext()) {
Set<UnifyPair> a_next = nextSetasListIt.next();
if (a.equals(a_next) ||
@ -931,8 +931,10 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
}
}
else if (variance == 0) {
writeLog("a: " + rekTiefe + " variance: " + variance + a.toString());
break;
}
writeLog("a: " + rekTiefe + " variance: " + variance + a.toString());
}
}
/* auskommentiert um alle Max und min Betrachtung auszuschalten ENDE */

57
src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
View File

@ -53,6 +53,16 @@ implements IFiniteClosure {
*/
private Set<UnifyPair> pairs;
/**
* Hastable fuer die greater-Werte, damit sie nicht doppelt berechnet werden muessen
*/
Hashtable<hashKeyType, Set<UnifyType>> greaterHash = new Hashtable<>();
/**
* Hastable fuer die smaller-Werte, damit sie nicht doppelt berechnet werden muessen
*/
Hashtable<hashKeyType, Set<UnifyType>> smallerHash = new Hashtable<>();
/**
* Creates a new instance using the inheritance tree defined in the pairs.
*/
@ -106,12 +116,29 @@ implements IFiniteClosure {
*/
@Override
public Set<UnifyType> smaller(UnifyType type, Set<UnifyType> fBounded) {
Set<UnifyType> ret;
if ((ret = smallerHash.get(new hashKeyType(type))) != null) {
//System.out.println(greaterHash);
return new HashSet<>(ret);
}
if(type instanceof FunNType)
return computeSmallerFunN((FunNType) type, fBounded);
Set<Pair<UnifyType,Set<UnifyType>>> ts = new HashSet<>();
ts.add(new Pair<>(type, fBounded));
return computeSmaller(ts);
Set<UnifyType> result = computeSmaller(ts);
smallerHash.put(new hashKeyType(type), result);
/*
try {
logFile.write("\ntype: " + type + "\nret: " + ret + "\nresult: " + result);//"smallerHash: " + greaterHash.toString());
logFile.flush();
}
catch (IOException e) {
System.err.println("no LogFile");
}*/
return result;
}
/**
@ -205,6 +232,13 @@ implements IFiniteClosure {
//Eingefuegt PL 2018-05-24 F-Bounded Problematik
public Set<UnifyType> greater(UnifyType type, Set<UnifyType> fBounded) {
Set<UnifyType> ret;
if ((ret = greaterHash.get(new hashKeyType(type))) != null) {
//System.out.println(greaterHash);
return new HashSet<>(ret);
}
if(type instanceof FunNType) {
return computeGreaterFunN((FunNType) type, fBounded);
}
@ -300,6 +334,16 @@ implements IFiniteClosure {
//System.out.println("");
}
}
greaterHash.put(new hashKeyType(type), result);
/*
try {
logFile.write("\ntype: " + type + "\nret: " + ret + "\nresult: " + result);//"greaterHash: " + greaterHash.toString());
logFile.flush();
}
catch (IOException e) {
System.err.println("no LogFile");
}*/
return result;
}
@ -634,8 +678,15 @@ implements IFiniteClosure {
return 0;
}
}
if ((right instanceof PlaceholderType) && (left instanceof WildcardType)) {
return 0;
if (right instanceof PlaceholderType) {//&& (left instanceof WildcardType)) {PL geloescht 2019-01-15 analog zu oben
if ((left instanceof WildcardType) //PL eingefuegt 2019-01-15 analog zu oben
&& ((ex = ((WildcardType)left).wildcardedType) instanceof PlaceholderType)
&& ((PlaceholderType)right).getName().equals(((PlaceholderType)ex).getName())) {// ? extends a <. a oder ? super a <. a
return 1;
}
else {
return 0;
}
}
UnifyPair up = new UnifyPair(left, right, pairop);
TypeUnifyTask unifyTask = new TypeUnifyTask();