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

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modified:   ../../../main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
Set<UnifyType> fBounded = new HashSet<>(pair.getfBounded()); //PL 2019-01-09 new HashSet eingefuegt

	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
	modified:   ../../resources/bytecode/javFiles/Matrix.jav
This commit is contained in:
Martin Plümicke 2019-01-09 00:40:24 +01:00
parent 72a84323de
commit d0a261f55c
9 changed files with 95 additions and 23 deletions
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13
src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
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@ -272,15 +272,16 @@ public class JavaTXCompiler {
}
final ConstraintSet<Pair> cons = getConstraints();
FiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses);
System.out.println(finiteClosure);
ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
TypeUnify unify = new TypeUnify();
Set<Set<UnifyPair>> results = new HashSet<>();
try {
FileWriter logFile = new FileWriter(new File(System.getProperty("user.dir")+"/src/test/java/logFiles/"+"log_"+sourceFiles.keySet().iterator().next().getName()));
FiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses,logFile);
System.out.println(finiteClosure);
ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
TypeUnify unify = new TypeUnify();
//Set<Set<UnifyPair>> results = new HashSet<>(); Nach vorne gezogen
logFile.write("FC:\\" + finiteClosure.toString()+"\n");
for(SourceFile sf : this.sourceFiles.values()) {
logFile.write(ASTTypePrinter.print(sf));

5
src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
View File

@ -1,5 +1,6 @@
package de.dhbwstuttgart.syntaxtree.factory;
import java.io.FileWriter;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -29,7 +30,7 @@ public class UnifyTypeFactory {
private static ArrayList<PlaceholderType> PLACEHOLDERS = new ArrayList<>();
public static FiniteClosure generateFC(List<ClassOrInterface> fromClasses) throws ClassNotFoundException {
public static FiniteClosure generateFC(List<ClassOrInterface> fromClasses, FileWriter logFile) throws ClassNotFoundException {
/*
Die transitive Hülle muss funktionieren.
Man darf schreiben List<A> extends AL<A>
@ -40,7 +41,7 @@ public class UnifyTypeFactory {
Generell dürfen sie immer die gleichen Namen haben.
TODO: die transitive Hülle bilden
*/
return new FiniteClosure(FCGenerator.toUnifyFC(fromClasses));
return new FiniteClosure(FCGenerator.toUnifyFC(fromClasses), logFile);
}
public static UnifyPair generateSmallerPair(UnifyType tl, UnifyType tr){

35
src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
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@ -814,6 +814,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
//Alle Variablen bestimmen die nicht hinzugefügt wurden in a
//PL 2018-12-28: Hier gab es eine ClassCastException, war nicht reproduzierbar
System.out.println("");
List<PlaceholderType> vars_a =
a.stream().filter(x -> (x.getLhsType().getName().equals(x.getBasePair().getLhsType().getName())
||x.getLhsType().getName().equals(x.getBasePair().getRhsType().getName())))
@ -1483,7 +1484,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
// System.out.println("");
//}
Set<UnifyType> cs = fc.getAllTypesByName(thetaPrime.getName());//cs= [java.util.Vector<NP>, java.util.Vector<java.util.Vector<java.lang.Integer>>, ????java.util.Vector<gen_hv>???]
//Set<UnifyType> cs = fc.getAllTypesByMatch(thetaPrime); //PL 2019-01-02 geaendet wegen Bug 127//SO GEHT ES NICHT
//PL 18-02-06 entfernt, kommt durch unify wieder rein
@ -1607,6 +1607,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
UnifyType aPrime = PlaceholderType.freshPlaceholder();
((PlaceholderType)aPrime).setVariance(((PlaceholderType)a).getVariance());
((PlaceholderType)aPrime).disableWildcardtable();
UnifyType extAPrime = new ExtendsType(aPrime);
UnifyType thetaPrime = extThetaPrime.getExtendedType();
Set<UnifyPair> resultPrime = new HashSet<>();
@ -1627,12 +1628,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
*/
private Set<Set<UnifyPair>> unifyCase3(UnifyPair pair, IFiniteClosure fc) {
PlaceholderType a = (PlaceholderType) pair.getLhsType();
a.reversVariance();
SuperType subThetaPrime = (SuperType) pair.getRhsType();
byte variance = pair.getVariance();
Set<Set<UnifyPair>> result = new HashSet<>();
UnifyType aPrime = PlaceholderType.freshPlaceholder();
((PlaceholderType)aPrime).setVariance(((PlaceholderType)a).getVariance());
((PlaceholderType)aPrime).disableWildcardtable();
UnifyType supAPrime = new SuperType(aPrime);
UnifyType thetaPrime = subThetaPrime.getSuperedType();
Set<UnifyPair> resultPrime = new HashSet<>();
@ -1666,7 +1669,28 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
break;
}
for(UnifyType thetaS : fc.greater(theta, pair.getfBounded())) {
//eingefuegt PL 2019-01-03 ANFANG
fc.setLogTrue();
writeLog("FBOUNDED: " + pair.getfBounded());
writeLog("Pair: " + pair);
Set<UnifyType> greater = fc.greater(theta, pair.getfBounded());
writeLog("GREATER: " + greater + pair + "THETA: " + theta + "FBOUNDED: " + pair.getfBounded() + " ");
/*if (a.isWildcardable()) {
Set<UnifyType> greater_ext = greater.stream().filter(x -> !(x instanceof ExtendsType) && !(x instanceof SuperType))
.map(x -> {
//BinaryOperator<HashMap<PlaceholderType,PlaceholderType>> combiner = (aa,b) -> { aa.putAll(b); return aa;}; //Variablenumbenennung rausgenommen
//HashMap<PlaceholderType,PlaceholderType> hm = x.getInvolvedPlaceholderTypes().stream() //Variablen muessen wahrscheinlich erhalten bleiben
// .reduce(new HashMap<PlaceholderType,PlaceholderType>(),
// (aa, b)-> { aa.put(b,PlaceholderType.freshPlaceholder()); return aa; }, combiner);
return new SuperType (x);})//.accept(new freshPlaceholder(), hm));}
.collect(Collectors.toCollection(HashSet::new));
greater.addAll(greater_ext);
}
//eingefuegt PL 2019-01-03 ENDE
*/
//for(UnifyType thetaS : fc.greater(theta, pair.getfBounded())) {
for(UnifyType thetaS : greater) {
Set<UnifyPair> resultPrime = new HashSet<>();
Match match = new Match();
@ -1674,7 +1698,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
for(int i = 0; !allGen && i < freshTphs.length; i++) {
freshTphs[i] = PlaceholderType.freshPlaceholder();
((PlaceholderType)freshTphs[i]).setVariance(((PlaceholderType)a).getVariance());
Set<UnifyType> fBounded = pair.getfBounded();
Set<UnifyType> fBounded = new HashSet<>(pair.getfBounded()); //PL 2019-01-09 new HashSet eingefuegt
int i_ef = i;
BiFunction<Boolean,UnifyType,Boolean> f = (x,y) ->
@ -1688,7 +1712,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
//}
BinaryOperator<Boolean> bo = (x,y) -> (x || y);
if (fBounded.stream().reduce(false,f,bo)) {
resultPrime.add(new UnifyPair(thetaS.getTypeParams().get(i), freshTphs[i], PairOperator.EQUALSDOT, pair.getSubstitution(), pair));
resultPrime.add(new UnifyPair(freshTphs[i], thetaS.getTypeParams().get(i), PairOperator.EQUALSDOT, pair.getSubstitution(), pair));
}
else {
fBounded.add(thetaS.getTypeParams().get(i));
@ -1702,7 +1726,8 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
resultPrime.add(new UnifyPair(a, thetaS.setTypeParams(new TypeParams(freshTphs)), PairOperator.EQUALSDOT, pair.getSubstitution(), pair));
resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
result.add(resultPrime);
//writeLog(resultPrime.toString());
writeLog("FBOUNDED2: " + pair.getfBounded());
//writeLog("resultPrime Theta < a: " + greater + pair + "THETA: " + theta + "FBOUNDED: " + pair.getfBounded() + " " + resultPrime.toString());
}
return result;

1
src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
View File

@ -17,6 +17,7 @@ import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
*/
public interface IFiniteClosure {
public void setLogTrue();
/**
* Returns all types of the finite closure that are subtypes of the argument.
* @return The set of subtypes of the argument.

35
src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
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@ -1,5 +1,7 @@
package de.dhbwstuttgart.typeinference.unify.model;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
@ -30,6 +32,11 @@ import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
public class FiniteClosure //extends Ordering<UnifyType> //entfernt PL 2018-12-11
implements IFiniteClosure {
FileWriter logFile;
static Boolean log = false;
public void setLogTrue() {
log = true;
}
/**
* A map that maps every type to the node in the inheritance graph that contains that type.
*/
@ -49,7 +56,8 @@ implements IFiniteClosure {
/**
* Creates a new instance using the inheritance tree defined in the pairs.
*/
public FiniteClosure(Set<UnifyPair> pairs) {
public FiniteClosure(Set<UnifyPair> pairs, FileWriter logFile) {
this.logFile = logFile;
this.pairs = new HashSet<>(pairs);
inheritanceGraph = new HashMap<UnifyType, Node<UnifyType>>();
@ -214,6 +222,15 @@ implements IFiniteClosure {
// if T <* T' then sigma(T) <* sigma(T')
Set<Node<UnifyType>> candidates = strInheritanceGraph.get(type.getName());
try {
if (log) logFile.write(candidates.toString());
//log = false;
}
catch (IOException e) {
System.err.println("no LogFile");
}
for(Node<UnifyType> candidate : candidates) {
UnifyType theta1 = candidate.getContent();
@ -222,9 +239,13 @@ implements IFiniteClosure {
termList.add(new UnifyPair(theta1,type, PairOperator.EQUALSDOT));
Optional<Unifier> optSigma = match.match(termList);
//PL 18-04-05 Unifier durch Matcher ersetzt ENDE
if(!optSigma.isPresent())
if(!optSigma.isPresent()) {
if ((type.getName().equals("java.util.Vector")) && (type instanceof ReferenceType) &&
(((ReferenceType)type).getTypeParams().get(0).getName().equals("java.lang.Integer"))) {
System.out.println(type.toString() + candidates);
}
continue;
}
Unifier sigma = optSigma.get();
sigma.swapPlaceholderSubstitutionsReverse(theta1.getTypeParams());
@ -237,7 +258,13 @@ implements IFiniteClosure {
PairResultFBounded.add(new Pair<>(theta2.apply(sigma), fBoundedNew));
}
}
try {
if (log) logFile.write(PairResultFBounded.toString());
log = false;
}
catch (IOException e) {
System.err.println("no LogFile");
}
for(Pair<UnifyType,Set<UnifyType>> pt : PairResultFBounded) {
UnifyType t = pt.getKey();
Set<UnifyType> lfBounded = pt.getValue().get();

16
src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
View File

@ -110,17 +110,25 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
&& x.getPairOp() == PairOperator.SMALLERDOTWC))
.collect(Collectors.toCollection(HashSet::new));
//System.out.println(left.toString());
//Fall 2 und 3
//Fall 2
//if (lefteq.iterator().next().getLhsType().getName().equals("AJO")) {
// System.out.print("");
//}
if (lefteq.size() == 1 && leftle.size() == 1 && righteq.size() == 0 && rightle.size() == 1) {
if (lefteq.size() == 1 && lefteq.iterator().next().getRhsType() instanceof ExtendsType && leftle.size() == 1 && righteq.size() == 0 && rightle.size() == 1) {
return 1;
}
//Fall 2 und 3
if (lefteq.size() == 0 && leftle.size() == 1 && righteq.size() == 1 && rightle.size() == 1) {
//Fall 2
if (lefteq.size() == 0 && leftle.size() == 1 && righteq.size() == 1 && righteq.iterator().next().getRhsType() instanceof ExtendsType && rightle.size() == 1) {
return -1;
}
//Fall 3
if (lefteq.size() == 1 && lefteq.iterator().next().getRhsType() instanceof SuperType && leftle.size() == 1 && righteq.size() == 0 && rightle.size() == 1) {
return -1;
}
//Fall 3
if (lefteq.size() == 0 && leftle.size() == 1 && righteq.size() == 1 && righteq.iterator().next().getRhsType() instanceof SuperType && rightle.size() == 1) {
return 1;
}
//Fall 5
if (lefteq.size() == 1 && leftle.size() == 0 && righteq.size() == 1 && rightle.size() == 1) {
return -1;

9
src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
View File

@ -108,6 +108,15 @@ public final class PlaceholderType extends UnifyType{
return variance;
}
public void reversVariance() {
if (variance == 1) {
setVariance(-1);
} else {
if (variance == -1) {
setVariance(1);
}}
}
public Boolean isWildcardable() {
return wildcardable;
}

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

@ -224,7 +224,7 @@ public class UnifyPair {
if (rhs instanceof PlaceholderType) {
ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString();
}
return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + ", [" + getfBounded().toString()+ "])";
return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + "])"; //+ ", [" + getfBounded().toString()+ "])";
}
/*

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;