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

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	modified:   src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
Ansatz fuer Veraenderung des Algorithmus bei Generated Generics eingefuegt.

	modified:   src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPE.java
Loeschungen angezeigt

	modified:   src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
Loeschungen angezeigt

	modified:   src/test/java/targetast/TestComplete.java
tphTest eingfuegt
This commit is contained in:
pl@gohorb.ba-horb.de 2023-01-18 18:11:45 +01:00
parent 752faaca86
commit d1fd65fad7
5 changed files with 266 additions and 66 deletions
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3
src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
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@ -72,8 +72,9 @@ public class JavaTXCompiler {
public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
private final DirectoryClassLoader classLoader;
//zum Loeschen Anfang obsolet PL 2023-01-18
private BiRelation<String, BiRelation<Set<RefTypeOrTPHOrWildcardOrGeneric>, RefTypeOrTPHOrWildcardOrGeneric>> methCallargTypesRetType = new BiRelation<>();
//zum Loeschen Ende obsolet PL 2023-01-18
public JavaTXCompiler(File sourceFile) throws IOException, ClassNotFoundException {
this(Arrays.asList(sourceFile), null);

318
src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
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@ -4,15 +4,18 @@ import de.dhbwstuttgart.bytecode.FunNGenerator;
import de.dhbwstuttgart.environment.ByteArrayClassLoader;
import de.dhbwstuttgart.environment.IByteArrayClassLoader;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.syntaxtree.type.Void;
import de.dhbwstuttgart.target.tree.*;
import de.dhbwstuttgart.target.tree.expression.TargetBlock;
import de.dhbwstuttgart.target.tree.expression.TargetExpression;
import de.dhbwstuttgart.target.tree.type.*;
import de.dhbwstuttgart.typeinference.result.*;
import de.dhbwstuttgart.util.BiRelation;
import java.util.*;
import java.util.stream.Collectors;
@ -163,77 +166,262 @@ public class ASTToTargetAST {
var visitedMethods = new HashSet<Method>();
method.block.accept(new TracingStatementVisitor() {
private RefTypeOrTPHOrWildcardOrGeneric superType = new Void(new NullToken());
@Override
public void visit(MethodCall methodCall) {
//Anfang es werden Paare von TPHs gespeichert, die bei den Generated Generics ueber die Methodengrenzen hinweg
//betrachtet werden muessen
//Definition 7.2 (Family of generated generics). T1 <. R1 <.^∗ R2 <. T2
Set<RefTypeOrTPHOrWildcardOrGeneric> T1s =
methodCall.getArgumentList()
.getArguments()
.stream()
.map(x -> x.getType())
.collect(Collectors.toCollection(HashSet::new))
.stream().filter(x -> x instanceof TypePlaceholder)
.collect(Collectors.toCollection(HashSet::new));
RefTypeOrTPHOrWildcardOrGeneric T2 = superType;
System.out.println("T1s: " + T1s + "\nT2: " + T2);
//Ende
superType = methodCall.receiverType;
methodCall.receiver.accept(this);
for(int i = 0;i<methodCall.arglist.getArguments().size();i++){
superType = methodCall.argTypes.get(i);
methodCall.arglist.getArguments().get(i).accept(this);
}
if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver) {
if (expressionReceiver.expr instanceof This) {
var optMethod = findMethod(owner, methodCall.name, methodCall.getArgumentList());
if (optMethod.isEmpty()) return;
var method = optMethod.get();
if (visitedMethods.contains(method)) return;
visitedMethods.add(method);
var generics = generics(owner, method);
Set<ResultPair<?, ?>> all = new HashSet<>(generics);
// Reflexive and Transitive closure
HashSet<ResultPair<?, ?>> toAdd = new HashSet<>();
int sizeBefore;
do {
sizeBefore = all.size();
toAdd.clear();
for (var g1 : all) {
for (var g2 : all) {
if (g1 instanceof PairTPHsmallerTPH pair) {
if (g2.getLeft().equals(pair.getLeft()) && generics.stream().anyMatch(generic -> generic.getLeft().equals(pair.getRight())))
toAdd.add(new PairTPHsmallerTPH((TypePlaceholder) g1.getLeft(), (TypePlaceholder) g2.getRight()));
}
}
}
all.addAll(toAdd);
} while (sizeBefore < all.size());
for (var generic : all) {
toAdd.add(new PairTPHsmallerTPH((TypePlaceholder) generic.getLeft(), (TypePlaceholder) generic.getLeft()));
}
all.addAll(toAdd);
HashSet<PairTPHsmallerTPH> newPairs = new HashSet<>();
System.out.println("Result: " + result);
// Loop from hell
outer:
for (var tph : typeVariables) {
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())))
continue;
for (var tph2 : typeVariables) {
for (var pair2 : simplifiedConstraints) {
if (!(pair2.right.equals(tph2) && pair2.left.equals(type)))
continue;
if (tph.equals(tph2)) continue;
var newPair = new PairTPHsmallerTPH(tph, tph2);
newPairs.add(newPair);
if (!containsRelation(result, newPair))
addToPairs(result, newPair);
continue outer;
}
}
}
}
}
simplifiedConstraints.addAll(newPairs);
}
}
}
@Override
public void visit(MethodCall methodCall) {
super.visit(methodCall);
public void visit(LambdaExpression lambdaExpression) {
superType = new Void(new NullToken());
lambdaExpression.methodBody.accept(this);
}
if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver) {
if (expressionReceiver.expr instanceof This) {
var optMethod = findMethod(owner, methodCall.name, methodCall.getArgumentList());
if (optMethod.isEmpty()) return;
var method = optMethod.get();
if (visitedMethods.contains(method)) return;
visitedMethods.add(method);
@Override
public void visit(Assign assign) {
superType = assign.lefSide.getType();
assign.rightSide.accept(this);
}
var generics = generics(owner, method);
Set<ResultPair<?, ?>> all = new HashSet<>(generics);
@Override
public void visit(BinaryExpr binary) {
superType = new Void(new NullToken());
binary.lexpr.accept(this);
superType = new Void(new NullToken());
binary.rexpr.accept(this);
}
// Reflexive and Transitive closure
HashSet<ResultPair<?, ?>> toAdd = new HashSet<>();
int sizeBefore;
do {
sizeBefore = all.size();
toAdd.clear();
for (var g1 : all) {
for (var g2 : all) {
if (g1 instanceof PairTPHsmallerTPH pair) {
if (g2.getLeft().equals(pair.getLeft()) && generics.stream().anyMatch(generic -> generic.getLeft().equals(pair.getRight())))
toAdd.add(new PairTPHsmallerTPH((TypePlaceholder) g1.getLeft(), (TypePlaceholder) g2.getRight()));
}
}
}
all.addAll(toAdd);
} while (sizeBefore < all.size());
for (var generic : all) {
toAdd.add(new PairTPHsmallerTPH((TypePlaceholder) generic.getLeft(), (TypePlaceholder) generic.getLeft()));
}
all.addAll(toAdd);
HashSet<PairTPHsmallerTPH> newPairs = new HashSet<>();
System.out.println("Result: " + result);
// Loop from hell
outer:
for (var tph : typeVariables) {
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())))
continue;
for (var tph2 : typeVariables) {
for (var pair2 : simplifiedConstraints) {
if (!(pair2.right.equals(tph2) && pair2.left.equals(type)))
continue;
if (tph.equals(tph2)) continue;
var newPair = new PairTPHsmallerTPH(tph, tph2);
newPairs.add(newPair);
if (!containsRelation(result, newPair))
addToPairs(result, newPair);
continue outer;
}
}
}
}
}
simplifiedConstraints.addAll(newPairs);
}
@Override
public void visit(Block block) {
for (var expr : block.statements) {
superType = new Void(new NullToken());
expr.accept(this);
}
}
@Override
public void visit(CastExpr castExpr) {
}
@Override
public void visit(EmptyStmt emptyStmt) {
}
@Override
public void visit(FieldVar fieldVar) {
}
@Override
public void visit(ForStmt forStmt) {
forStmt.body_Loop_block.accept(this);
}
@Override
public void visit(IfStmt ifStmt) {
superType = new Void(new NullToken());
ifStmt.expr.accept(this);
superType = new Void(new NullToken());
ifStmt.then_block.accept(this);
superType = new Void(new NullToken());
ifStmt.else_block.accept(this);
}
@Override
public void visit(InstanceOf instanceOf) {
}
@Override
public void visit(LocalVar localVar) {
}
@Override
public void visit(LocalVarDecl localVarDecl) {
}
@Override
public void visit(NewClass newClass) {
this.visit((MethodCall) newClass);
}
@Override
public void visit(NewArray newArray) {
newArray.expr.forEach(expr -> expr.accept(this));
}
@Override
public void visit(Return aReturn) {
superType = aReturn.getType();
aReturn.retexpr.accept(this);
}
@Override
public void visit(ReturnVoid aReturn) {
}
@Override
public void visit(StaticClassName staticClassName) {
}
@Override
public void visit(Super aSuper) {
}
@Override
public void visit(This aThis) {
}
@Override
public void visit(WhileStmt whileStmt) {
superType = new Void(new NullToken());
whileStmt.expr.accept(this);
superType = new Void(new NullToken());
whileStmt.loopBlock.accept(this);
}
@Override
public void visit(DoStmt whileStmt) {
whileStmt.loopBlock.accept(this);
}
@Override
public void visit(AssignToField assignLeftSide) {
}
@Override
public void visit(AssignToLocal assignLeftSide) {
}
@Override
public void visit(SuperCall superCall) {
}
@Override
public void visit(ExpressionReceiver expressionReceiver) {
expressionReceiver.expr.accept(this);
}
@Override
public void visit(UnaryExpr unaryExpr) {
unaryExpr.expr.accept(this);
}
@Override
public void visit(Literal literal) {
}
@Override
public void visit(ArgumentList arglist) {
for(int i = 0;i<arglist.getArguments().size();i++){
superType = arglist.getArguments().get(i).getType();
arglist.getArguments().get(i).accept(this);
}
}
});
// Type variables with bounds that are also type variables of fields

2
src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPE.java
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@ -18,7 +18,9 @@ public class TYPE {
private final Collection<SourceFile> sfs;
private final TypeInferenceInformation typeInferenceInformation;
//zum Loeschen Anfang obsolet PL 2023-01-18
private BiRelation<String, BiRelation<Set<RefTypeOrTPHOrWildcardOrGeneric>, RefTypeOrTPHOrWildcardOrGeneric>> methCallargTypesRetType = new BiRelation<>();
//zum Loeschen Ende obsolet PL 2023-01-18
public TYPE(Collection<SourceFile> sourceFiles, Collection<ClassOrInterface> allAvailableClasses){
sfs = sourceFiles;

2
src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
View File

@ -32,8 +32,10 @@ public class TYPEStmt implements StatementVisitor{
private final TypeInferenceBlockInformation info;
private final ConstraintSet constraintsSet = new ConstraintSet();
//zum Loeschen Anfang obsolet PL 2023-01-18
private RefTypeOrTPHOrWildcardOrGeneric superType = new Void(new NullToken());
private BiRelation<String, BiRelation<Set<RefTypeOrTPHOrWildcardOrGeneric>, RefTypeOrTPHOrWildcardOrGeneric>> methCallargTypesRetType = new BiRelation<>();
//zum Loeschen Ende obsolet PL 2023-01-18
public TYPEStmt(TypeInferenceBlockInformation info){
this.info = info;

7
src/test/java/targetast/TestComplete.java
View File

@ -340,6 +340,13 @@ public class TestComplete {
var instance = classFiles.get("SubMatrix").getDeclaredConstructor().newInstance();
}
@Test
public void tphTest() throws Exception {
var classFiles = generateClassFiles("Tph.jav", new ByteArrayClassLoader());
var tph = classFiles.get("Tph");
var instance = tph.getDeclaredConstructor().newInstance();
}
@Test
public void tph2Test() throws Exception {
var classFiles = generateClassFiles("Tph2.jav", new ByteArrayClassLoader());