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modified: ../../src/de/dhbwstuttgart/core/JavaTXCompiler.java

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modified:   ../../src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
im Max den Fall a <.? ? extends a beruecksichtigt
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
; in der Schleife generate fresh Type Var entfernt
This commit is contained in:
Martin Plümicke 2018-12-12 16:49:16 +01:00
parent dab0dc180c
commit 2f9d44d0b0
5 changed files with 29 additions and 6 deletions
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2
src/de/dhbwstuttgart/core/JavaTXCompiler.java
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@ -225,6 +225,8 @@ public class JavaTXCompiler {
System.out.println("RESULT Final: " + results);
logFile.write("RES_FINAL: " + results.toString()+"\n");
logFile.flush();
logFile.write("PLACEHOLDERS: " + PlaceholderType.EXISTING_PLACEHOLDERS);
logFile.flush();
}
catch (IOException e) { }
return results.stream().map((unifyPairs ->

2
src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
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@ -1144,7 +1144,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
Set<UnifyPair> resultPrime = new HashSet<>();
for(int i = 0; !allGen && i < theta.getTypeParams().size(); i++) {
if(freshTphs.size()-1 < i)
//if(freshTphs.size()-1 < i)
freshTphs.add(PlaceholderType.freshPlaceholder());
resultPrime.add(new UnifyPair(freshTphs.get(i), theta.getTypeParams().get(i), PairOperator.SMALLERDOTWC, pair.getSubstitution(), pair));
}

20
src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
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@ -26,7 +26,8 @@ import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
* The finite closure for the type unification
* @author Florian Steurer
*/
public class FiniteClosure extends Ordering<UnifyType> implements IFiniteClosure {
public class FiniteClosure //extends Ordering<UnifyType> //entfernt PL 2018-12-11
implements IFiniteClosure {
/**
* A map that maps every type to the node in the inheritance graph that contains that type.
@ -561,14 +562,31 @@ public class FiniteClosure extends Ordering<UnifyType> implements IFiniteClosure
return this.inheritanceGraph.toString();
}
/* entfernt PL 2018-12-11
public int compare (UnifyType left, UnifyType right) {
return compare(left, right, PairOperator.SMALLERDOT);
}
*/
public int compare (UnifyType left, UnifyType right, PairOperator pairop) {
if ((left instanceof ExtendsType && right instanceof ReferenceType)
|| (right instanceof ExtendsType && left instanceof ReferenceType))
System.out.println("");
//Die Faelle abfangen, bei den Variablen verglichen werden PL 2018-12-11
UnifyType ex;
if (left instanceof PlaceholderType) {
if ((right instanceof WildcardType)
&& ((ex = ((WildcardType)right).wildcardedType) instanceof PlaceholderType)
&& ((PlaceholderType)left).getName().equals(((PlaceholderType)ex).getName())) {// a <.? ? extends a oder a <.? ? super a
return -1;
}
else {// a <. a
return 0;
}
}
if ((right instanceof PlaceholderType) && (left instanceof WildcardType)) {
return 0;
}
UnifyPair up = new UnifyPair(left, right, pairop);
TypeUnifyTask unifyTask = new TypeUnifyTask();
HashSet<UnifyPair> hs = new HashSet<>();

2
src/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
View File

@ -151,7 +151,7 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
System.out.print("");
//Set<PlaceholderType> varsleft = lefteq.stream().map(x -> (PlaceholderType)x.getLhsType()).collect(Collectors.toCollection(HashSet::new));
//Set<PlaceholderType> varsright = righteq.stream().map(x -> (PlaceholderType)x.getLhsType()).collect(Collectors.toCollection(HashSet::new));
//filtern des Paares a = Theta, das durch a <. Thata' generiert wurde (nur im Fall 1 relevant)
//filtern des Paares a = Theta, das durch a <. Thata' generiert wurde (nur im Fall 1 relevant) andere Substitutioen werden rausgefiltert
lefteq.removeIf(x -> !(x.getLhsType().getName().equals(x.getBasePair().getLhsType().getName())
||x.getLhsType().getName().equals(x.getBasePair().getRhsType().getName())));//removeIf(x -> !varsright.contains(x.getLhsType()));
righteq.removeIf(x -> !(x.getLhsType().getName().equals(x.getBasePair().getLhsType().getName())

9
src/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
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@ -1,5 +1,7 @@
package de.dhbwstuttgart.typeinference.unify.model;
import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@ -21,7 +23,7 @@ public final class PlaceholderType extends UnifyType{
* Static list containing the names of all existing placeholders.
* Used for generating fresh placeholders.
*/
protected static final HashSet<String> EXISTING_PLACEHOLDERS = new HashSet<String>();
public static final ArrayList<String> EXISTING_PLACEHOLDERS = new ArrayList<String>();
/**
* Prefix of auto-generated placeholder names.
@ -81,11 +83,12 @@ public final class PlaceholderType extends UnifyType{
* A user could later instantiate a type using the same name that is equivalent to this type.
* @return A fresh placeholder type.
*/
public static PlaceholderType freshPlaceholder() {
public synchronized static PlaceholderType freshPlaceholder() {
String name = nextName + (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
// Add random chars while the name is in use.
while(EXISTING_PLACEHOLDERS.contains(name));
while(EXISTING_PLACEHOLDERS.contains(name)) {
name += (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
}
return new PlaceholderType(name, true);
}