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

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modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
subst-Anwendung auf oderconstraints eingebaut
This commit is contained in:
Martin Plümicke 2019-02-15 00:00:41 +01:00
parent db91e73750
commit 396efb52de
4 changed files with 41 additions and 4 deletions
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30
src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java
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@ -4,10 +4,12 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import java.util.Queue;
import java.util.Set;
import java.util.Stack;
import java.util.function.Function;
import java.util.stream.Collectors;
import de.dhbwstuttgart.exceptions.DebugException;
@ -619,8 +621,12 @@ public class RuleSet implements IRuleSet{
return succ ? permutation : new int[0];
}
@Override
public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs) {
return subst(pairs, new ArrayList<>());
}
@Override
public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs, List<Set<Set<UnifyPair>>> oderConstraints) {
HashMap<UnifyType, Integer> typeMap = new HashMap<>();
Stack<UnifyType> occuringTypes = new Stack<>();
@ -664,9 +670,29 @@ public class RuleSet implements IRuleSet{
Unifier uni = new Unifier(lhsType, rhsType);
result = result.stream().map(x -> uni.apply(pair,x)).collect(Collectors.toCollection(ArrayList::new));
result1 = result1.stream().map(x -> uni.apply(pair,x)).collect(Collectors.toCollection(LinkedList::new));
Function<? super Set<UnifyPair>,? extends HashSet<UnifyPair>> applyUni = b -> b.stream().map(
x -> uni.apply(pair,x)).collect(Collectors.toCollection(HashSet::new));
List<Set<Set<UnifyPair>>> oderConstraintsRet = new ArrayList<>();
for(Set<Set<UnifyPair>> oc : oderConstraints) {
//Set<Set<UnifyPair>> ocRet = new HashSet<>();
//for(Set<UnifyPair> cs : oc) {
Set<Set<UnifyPair>> csRet = oc.stream().map(applyUni).collect(Collectors.toCollection(HashSet::new));
oderConstraintsRet.add(csRet);
//}
}
oderConstraints.replaceAll(oc -> oc.stream().map(applyUni).collect(Collectors.toCollection(HashSet::new)));
/*
oderConstraints = oderConstraints.stream().map(
a -> a.stream().map(applyUni
//b -> b.stream().map(
// x -> uni.apply(pair,x)).collect(Collectors.toCollection(HashSet::new) )
).collect(Collectors.toCollection(HashSet::new))
).collect(Collectors.toList(ArrayList::new));
}
*/
applied = true;
}
result.add(pair);
}

5
src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
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@ -656,9 +656,12 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
* Step 5: Substitution
*/
//writeLog("vor Subst: " + eqPrime);
Optional<Set<UnifyPair>> eqPrimePrime = rules.subst(eqPrime);
writeLog("vor Subst: " + oderConstraints);
String ocString = oderConstraints.toString();
Optional<Set<UnifyPair>> eqPrimePrime = rules.subst(eqPrime, oderConstraints);
Set<Set<UnifyPair>> unifyres1 = null;
Set<Set<UnifyPair>> unifyres2 = null;
if (!ocString.equals(oderConstraints.toString())) writeLog("nach Subst: " + oderConstraints);
//writeLog("nach Subst: " + eqPrimePrime);
/*
* Step 6 a) Restart (fork) for pairs where subst was applied

8
src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
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@ -1,5 +1,6 @@
package de.dhbwstuttgart.typeinference.unify.interfaces;
import java.util.List;
import java.util.Optional;
import java.util.Set;
@ -85,6 +86,13 @@ public interface IRuleSet {
public Optional<UnifyPair> adaptExt(UnifyPair pair, IFiniteClosure fc);
public Optional<UnifyPair> adaptSup(UnifyPair pair, IFiniteClosure fc);
/**
* Applies the subst-Rule to a set of pairs (usually Eq').
* @param pairs The set of pairs where the subst rule should apply.
* @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
*/
public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs, List<Set<Set<UnifyPair>>> oderConstraints);
/**
* Applies the subst-Rule to a set of pairs (usually Eq').
* @param pairs The set of pairs where the subst rule should apply.

2
src/test/resources/bytecode/javFiles/Matrix.jav
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@ -1,6 +1,6 @@
import java.util.Vector;
import java.lang.Integer;
//import java.lang.Float;
import java.lang.Float;
//import java.lang.Byte;
//import java.lang.Boolean;