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Merge branch 'targetBytecode' into parseSignature

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Victorious3 2023-04-14 15:18:36 +02:00
commit fc7844c6a4
10 changed files with 184 additions and 37 deletions
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2
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;

27
resources/bytecode/javFiles/Scalar.jav Normal file
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@ -0,0 +1,27 @@
import java.util.Vector;
import java.lang.Integer;
import java.lang.Float;
//import java.lang.Byte;
//import java.lang.Boolean;
public class Scalar extends Vector<Integer> {
Scalar(v) {
Integer i;
i = 0;
while(i < v.size()) {
this.add(v.elementAt(i));
i=i+1;
}
}
mul(v) {
var ret = 0;
var i = 0;
while(i < size()) {
ret = ret + this.elementAt(i) * v.elementAt(i);
i = i+1;
}
return ret;
}
}

2
src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
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@ -69,7 +69,7 @@ public class JavaTXCompiler {
//public static JavaTXCompiler INSTANCE;
final CompilationEnvironment environment;
Boolean resultmodel = true;
Boolean resultmodel = false;
public final Map<File, SourceFile> sourceFiles = new HashMap<>();
Boolean log = false; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();

1
src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
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@ -121,6 +121,7 @@ public class UnifyTypeFactory {
}
PlaceholderType ntph = new PlaceholderType(tph.getName());
ntph.setVariance(tph.getVariance());
ntph.setOrCons(tph.getOrCons());
int in = PLACEHOLDERS.indexOf(ntph);
if (in == -1) {
PLACEHOLDERS.add(ntph);

16
src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java
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@ -24,6 +24,14 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
* wird im Generate Generics Teil nach der Rueckumwandlung nach dem Unify genutzt
*/
private int variance = 0;
/*
* Fuer Oder-Constraints:
* orCons = 1: Receiver
* orCons = 0: Argument oder kein Oder-Constraint
* orCons = -1: RetType
*/
private byte orCons = 0;
/**
@ -104,4 +112,12 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
public void accept(ResultSetVisitor visitor) {
visitor.visit(this);
}
public void setOrCons(byte i) {
orCons = i;
}
public byte getOrCons() {
return orCons;
}
}

108
src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
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@ -19,6 +19,7 @@ import de.dhbwstuttgart.typeinference.result.*;
import org.objectweb.asm.Attribute;
import java.util.*;
import java.util.concurrent.CyclicBarrier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@ -171,7 +172,6 @@ public class ASTToTargetAST {
for (var pair : simplifiedConstraints) {
if (pair.left.equals(typeVariable) && typeVariables.contains(pair.right)) {
addToPairs(result, new PairTPHsmallerTPH(pair.left, equality.getOrDefault(pair.right, pair.right)));
typeVariables.add(pair.right);
}
}
}
@ -197,7 +197,7 @@ public class ASTToTargetAST {
RefTypeOrTPHOrWildcardOrGeneric T2 = superType;
if (T2 instanceof TypePlaceholder tph) T2 = equality.getOrDefault(tph, tph);
System.out.println("T1s: " + T1s + "\nT2: " + T2);
System.out.println("T1s: " + T1s + " T2: " + T2);
//Ende
superType = methodCall.receiverType;
@ -212,7 +212,7 @@ public class ASTToTargetAST {
var optMethod = findMethod(owner, methodCall.name, methodCall.getArgumentList());
if (optMethod.isEmpty()) return;
var method = optMethod.get();
var generics = generics(owner, method).javaGenerics();
var generics = generics(owner, method).txGenerics();
// transitive and
var all = transitiveClosure(generics);
@ -227,24 +227,24 @@ public class ASTToTargetAST {
// Loop from hell
outer:
for (var tph : typeVariables) {
if (typeVariablesOfClass.contains(tph)) continue;
for (var R1 : typeVariables) {
if (typeVariablesOfClass.contains(R1)) continue;
for (var generic : all) {
if (!(generic.getRight() instanceof TypePlaceholder type))
continue;
for (var pair : simplifiedConstraints) {
if (!(pair.left.equals(tph) && pair.right.equals(generic.getLeft())))
if (!(pair.left.equals(R1) && pair.right.equals(generic.getLeft())))
continue;
for (var tph2 : typeVariables) {
for (var R2 : typeVariables) {
for (var pair2 : simplifiedConstraints) {
if (!(pair2.right.equals(tph2) && pair2.left.equals(type)))
if (!(pair2.right.equals(R2) && pair2.left.equals(type)))
continue;
if (tph.equals(tph2)) continue;
if (!T1s.contains(tph) || !tph2.equals(T2)) continue;
if (R1.equals(R2)) continue;
if (!T1s.contains(R1) || !R2.equals(T2)) continue;
var newPair = new PairTPHsmallerTPH(tph, tph2);
var newPair = new PairTPHsmallerTPH(R1, R2);
newPairs.add(newPair);
if (!containsRelation(result, newPair))
@ -269,7 +269,7 @@ public class ASTToTargetAST {
@Override
public void visit(Assign assign) {
superType = assign.lefSide.getType();
superType = assign.rightSide.getType();
assign.rightSide.accept(this);
}
@ -522,9 +522,6 @@ public class ASTToTargetAST {
super.visit(methodCall);
typeVariables.addAll(findTypeVariables(methodCall.getType(), equality));
}
@Override
public void visit(Assign assign) {}
});
}
@ -558,7 +555,7 @@ public class ASTToTargetAST {
var referenced = new HashSet<TypePlaceholder>();
eliminateCycles(javaResult, equality, referenced);
eliminateInfima(javaResult, equality, referenced);
eliminateInfima(javaResult, equality);
var usedTphs = new HashSet<TypePlaceholder>();
// For eliminating inner type variables we need to figure out which ones are actually used
@ -576,7 +573,7 @@ public class ASTToTargetAST {
{
var referenced = new HashSet<TypePlaceholder>();
// JavaTX Generics
eliminateInfima(txResult, txEquality, referenced);
eliminateInfima(txResult, txEquality);
for (var param : method.getParameterList().getFormalparalist()) {
referenced.addAll(findTypeVariables(param.getType(), txEquality));
@ -637,9 +634,9 @@ public class ASTToTargetAST {
var referenced = new HashSet<TypePlaceholder>();
eliminateCycles(javaResult, equality, referenced);
eliminateInfima(javaResult, equality, referenced);
eliminateInfima(javaResult, equality);
var txReferenced = new HashSet<TypePlaceholder>();
eliminateInfima(txResult, txEquality, txReferenced);
eliminateInfima(txResult, txEquality);
eliminateInnerTypeVariablesOfClass(classOrInterface, javaResult, equality, referenced);
equalizeTypeVariables(javaResult, equality);
@ -650,19 +647,52 @@ public class ASTToTargetAST {
}
void equalizeTypeVariables(Set<ResultPair<?, ?>> input, Map<TypePlaceholder, TypePlaceholder> equality) {
System.out.println(input);
for (var pair : new HashSet<>(input)) {
if (pair instanceof PairTPHsmallerTPH ptph) {
System.out.println(pair + " " + ptph.left.getVariance() + " " + ptph.right.getVariance());
if (ptph.left.getVariance() == 1 && ptph.right.getVariance() == -1) {
addToEquality(equality, ptph.left, ptph.right);
input.remove(ptph);
for (var pair2 : new HashSet<>(simplifiedConstraints)) {
if (pair2.right.equals(ptph.left)) {
simplifiedConstraints.remove(pair2);
simplifiedConstraints.add(new PairTPHsmallerTPH(pair2.left, ptph.right));
var chain = new ArrayList<TypePlaceholder>();
chain.add(ptph.left);
chain.add(ptph.right);
outer: while (true) {
var added = false;
for (var pair2 : input) {
if (pair2 instanceof PairTPHsmallerTPH ptph2 && ptph2.left.equals(chain.get(chain.size() - 1))) {
if (chain.contains(ptph2.right)) break outer;
chain.add(ptph2.right);
added = true;
}
}
if (!added) break;
}
var variance = chain.get(0).getVariance();
if (variance != 1) continue;
var index = 0;
for (var tph : chain) {
if (variance == 1 && tph.getVariance() == -1) {
variance = -1;
}
if (variance == -1 && tph.getVariance() == 1) {
break;
}
index++;
}
if (variance == 1) continue;
var start = chain.get(0);
var prev = start;
for (var i = 1; i < index; i++) {
var cur = chain.get(i);
addToEquality(equality, cur, start);
input.remove(new PairTPHsmallerTPH(prev, chain.get(i)));
for (var pair2 : new HashSet<>(input)) {
// TODO Maybe this would be unnecessary if we were to add the = constraints later on
if (pair2 instanceof PairTPHequalRefTypeOrWildcardType && pair2.getLeft().equals(cur)) {
input.remove(pair2);
input.add(new PairTPHequalRefTypeOrWildcardType(start, pair2.getRight()));
}
}
prev = chain.get(i);
}
}
}
@ -740,6 +770,15 @@ public class ASTToTargetAST {
var cycles = findCycles(input);
for (var cycle : cycles) {
var newTph = TypePlaceholder.fresh(new NullToken());
var variance = cycle.get(0).getVariance();
for (var tph : cycle) {
if (tph.getVariance() != variance) {
variance = 0;
break;
}
}
newTph.setVariance(variance);
referenced.add(newTph);
addToPairs(input, new PairTPHequalRefTypeOrWildcardType(newTph, OBJECT));
cycle.add(cycle.get(0)); // Make it a complete cycle
@ -753,7 +792,7 @@ public class ASTToTargetAST {
}
}
void eliminateInfima(Set<ResultPair<?, ?>> input, Map<TypePlaceholder, TypePlaceholder> equality, Set<TypePlaceholder> referenced) {
void eliminateInfima(Set<ResultPair<?, ?>> input, Map<TypePlaceholder, TypePlaceholder> equality) {
var foundInfima = false;
do {
foundInfima = false;
@ -768,7 +807,16 @@ public class ASTToTargetAST {
if (infima.size() > 1) {
foundInfima = true;
var newTph = TypePlaceholder.fresh(new NullToken());
referenced.add(newTph);
var variance = infima.stream().findFirst().get().right.getVariance();
for (var pair : infima) {
if (pair.right.getVariance() != variance) {
variance = 0;
break;
}
}
newTph.setVariance(variance);
//referenced.add(newTph);
addToPairs(input, new PairTPHsmallerTPH(left, newTph));
input.removeAll(infima);
for (var infimum : infima) {

9
src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
View File

@ -610,8 +610,13 @@ public class TYPEStmt implements StatementVisitor{
//Fuer Bytecodegenerierung PL 2020-03-09 wird derzeit nicht benutzt ENDE
methodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.EQUALSDOT));
extendsMethodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.EQUALSDOT));
methodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.SMALLERDOT));
extendsMethodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.SMALLERDOT));
//methodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.EQUALSDOT));
//extendsMethodConstraint.add(new Pair(assumption.getReturnType(resolver), forMethod.getType(), PairOperator.EQUALSDOT));
((TypePlaceholder)forMethod.getType()).setOrCons((byte)-1);//fuer Maximums-Bestimmung
Set<Pair> parameterContraints = generateParameterConstraints(forMethod, assumption, info, resolver);

14
src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
View File

@ -131,7 +131,11 @@ public class OrderingUnifyPair extends OrderingExtend<Set<UnifyPair>> {
* fuehrt zu Fehlern bei Arrays.sort (contract nicht erfuellt)
* @see com.google.common.collect.Ordering#compare(java.lang.Object, java.lang.Object)
*/
public int compare (Set<UnifyPair> left, Set<UnifyPair> right) {
public int compare (Set<UnifyPair> leftpara, Set<UnifyPair> rightpara) {
Set<UnifyPair> left = new HashSet<>(leftpara);
Set<UnifyPair> right = new HashSet<>(rightpara);
/*
//pairop = PairOperator.SMALLERDOTWC;
List<UnifyType> al = new ArrayList<>();
@ -220,22 +224,26 @@ public class OrderingUnifyPair extends OrderingExtend<Set<UnifyPair>> {
!(y.getRhsType() instanceof PlaceholderType) &&
x.getPairOp() == PairOperator.EQUALSDOT);})
.collect(Collectors.toCollection(HashSet::new));
left.removeAll(lefteqOder);
Set<UnifyPair> righteqOder = right.stream()
.filter(x -> { UnifyPair y = x.getGroundBasePair();
return (y.getLhsType() instanceof PlaceholderType &&
!(y.getRhsType() instanceof PlaceholderType) &&
x.getPairOp() == PairOperator.EQUALSDOT);})
.collect(Collectors.toCollection(HashSet::new));
right.removeAll(righteqOder);
Set<UnifyPair> lefteqRet = left.stream()
.filter(x -> { UnifyPair y = x.getGroundBasePair();
return (y.getRhsType() instanceof PlaceholderType &&
x.getPairOp() == PairOperator.EQUALSDOT);})
((PlaceholderType)y.getRhsType()).getOrCons() == (byte)-1);})
.collect(Collectors.toCollection(HashSet::new));
left.removeAll(lefteqRet);
Set<UnifyPair> righteqRet = right.stream()
.filter(x -> { UnifyPair y = x.getGroundBasePair();
return (y.getRhsType() instanceof PlaceholderType &&
x.getPairOp() == PairOperator.EQUALSDOT);})
((PlaceholderType)y.getRhsType()).getOrCons() == (byte)-1);})
.collect(Collectors.toCollection(HashSet::new));
right.removeAll(righteqRet);
Set<UnifyPair> leftleOder = left.stream()
.filter(x -> (x.getPairOp() == PairOperator.SMALLERDOT))
.collect(Collectors.toCollection(HashSet::new));

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

@ -59,6 +59,14 @@ public final class PlaceholderType extends UnifyType{
* PL 2018-03-21
*/
private int variance = 0;
/*
* Fuer Oder-Constraints:
* orCons = 1: Receiver
* orCons = 0: Argument oder kein Oder-Constraint
* orCons = -1: RetType
*/
private byte orCons = 0;
/**
* Creates a new placeholder type with the specified name.
@ -122,6 +130,14 @@ public final class PlaceholderType extends UnifyType{
}}
}
public void setOrCons(byte i) {
orCons = i;
}
public byte getOrCons() {
return orCons;
}
public Boolean isWildcardable() {
return wildcardable;
}

26
src/test/java/targetast/TestComplete.java
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@ -279,6 +279,32 @@ public class TestComplete {
assertEquals(result, instanceOfClass_m3);
}
@Test
public void scalarTest() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Scalar.jav");
var scalar = classFiles.get("Scalar");
Vector<Vector<Integer>> vv = new Vector<>();
Vector<Integer> v1 = new Vector<> ();
v1.addElement(2);
v1.addElement(2);
var instanceOfClass_s1 = scalar.getDeclaredConstructor(Vector.class).newInstance(v1);
Vector<Integer> v2 = new Vector<> ();
v2.addElement(2);
v2.addElement(2);
var instanceOfClass_s2 = scalar.getDeclaredConstructor(Vector.class).newInstance(v2);
var mul = scalar.getDeclaredMethod("mul", Vector.class);
var result = mul.invoke(instanceOfClass_s1, instanceOfClass_s2);
System.out.println(instanceOfClass_s1.toString() + " * " + instanceOfClass_s2.toString() + " = " + result.toString());
assertEquals(result, 8);
}
@Test
public void mergeTest() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Merge.jav");