Merge branch 'targetBytecode' of https://gitea.hb.dhbw-stuttgart.de/JavaTX/JavaCompilerCore into targetBytecode

pom.xml

@@ -29,14 +29,14 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 			<version>2.6</version>
 		</dependency>
 		<dependency>
-			<groupId>com.google.guava</groupId>
+			<groupId>io.github.classgraph</groupId>
-			<artifactId>guava</artifactId>
+			<artifactId>classgraph</artifactId>
-			<version>22.0</version>
+			<version>4.8.172</version>
 		</dependency>
 		<dependency>
-			<groupId>org.reflections</groupId>
+			<groupId>com.google.guava</groupId>
-			<artifactId>reflections</artifactId>
+			<artifactId>guava</artifactId>
-			<version>0.9.11</version>
+			<version>33.2.0-jre</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.ow2.asm/asm -->
 		<dependency>

resources/AllgemeinTest/Box.jav

@@ -0,0 +1,8 @@
+class Box<A> {
+
+	A a;
+
+	public Box(A a) {
+		this.a = a;
+	}
+}

resources/bytecode/javFiles/Box.jav

@@ -1,7 +1,9 @@
-class B { }
+public class Box<A> {
-class Box_Main extends B {
+
-    m(b) {
+	A a;
-       b.m(new Box_Main());
+
-       b.m(new B());
+	public Box() { }
-    }
+	public Box(A a) {
-}
+		//this.a = a;
+	}
+}

resources/bytecode/javFiles/Bug325.jav

@@ -0,0 +1,13 @@
+import java.lang.Integer;
+import java.util.function.Function;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.stream.Stream;
+
+public class Bug325 {
+    public main() {
+      List<Integer> list = new ArrayList<>(List.of(1,2,3,4,5));
+      var func = x -> x*2;
+      return list.stream().map(func).toList();
+   }
+}

resources/bytecode/javFiles/Bug326.jav

@@ -0,0 +1,8 @@
+import java.lang.Integer;
+
+public class Bug326 {
+   public Bug326() {
+      var func = x -> y -> x * y;
+      return func.apply(3).apply(4);
+   }
+}

resources/bytecode/javFiles/Bug328.jav

@@ -0,0 +1,8 @@
+import java.lang.Integer;
+import Bug328B;
+
+public class Bug328 extends Bug328B {
+    public Bug328() {
+        super(1);
+    }
+}

resources/bytecode/javFiles/Bug328B.java

@@ -0,0 +1,3 @@
+public class Bug328B {
+    public Bug328B(int a) {}
+}

resources/bytecode/javFiles/Bug333.jav

@@ -0,0 +1,11 @@
+import java.lang.String;
+
+public class Bug333 {
+    public static String Bar = "Bar";
+}
+
+class Bar {
+    public bar() {
+        String s = Bug333.Bar;
+    }
+}

resources/bytecode/javFiles/ImportWildcard.jav

@@ -0,0 +1,5 @@
+import java.lang.*;
+
+public class ImportWildcard {
+    m(a, b) { return a * b; }
+}

resources/bytecode/javFiles/Matrix.jav

@@ -1,3 +1,5 @@
+import java.util.List;
+import java.util.AbstractList;
 import java.util.Vector;
 import java.lang.Integer;
 //import java.lang.Float;
@@ -30,8 +32,8 @@ public class Matrix    extends Vector<Vector<Integer>> {
                 var erg = 0;
                 var k = 0;
                 while(k < v1.size()) {
-                    erg = erg + v1.elementAt(k)
+                    erg = erg + v1.get(k)
-                             * m.elementAt(k).elementAt(j);
+                             * m.get(k).get(j);
                     k++; }
 //                v2.addElement(new Integer(erg));
                 v2.addElement(erg);

resources/bytecode/javFiles/While.jav

@@ -9,4 +9,13 @@ public class While {
 		}
 		return x;
 	}
+
+	public m2() {
+        int i = 0;
+        do {
+            ++i;
+        } while(i < 10);
+
+        return i;
+    }
 }

src/main/java/de/dhbwstuttgart/bytecode/Codegen.java

@@ -784,9 +784,12 @@ public class Codegen {
 
         var descriptor = TargetMethod.getDescriptor(state.contextType, params.toArray(TargetType[]::new));
         mv.visitVarInsn(ALOAD, 0);
-        for (var capture : lambda.captures()) {
+        for (var index = 0; index < lambda.captures().size(); index++) {
+            var capture = lambda.captures().get(index);
             var pattern = (TargetTypePattern) capture.pattern();
-            mv.visitVarInsn(ALOAD, state.scope.get(pattern.name()).index);
+            var variable = state.scope.get(pattern.name());
+            mv.visitVarInsn(ALOAD, variable.index);
+            mv.visitTypeInsn(CHECKCAST, capture.pattern().type().getInternalName());
         }
 
         mv.visitInvokeDynamicInsn(methodName, descriptor, bootstrap, Type.getType(signature.getSignature()), handle, Type.getType(signature.getDescriptor()));
@@ -975,6 +978,27 @@ public class Codegen {
             mv.visitLabel(end);
             break;
         }
+        case TargetDo _do: {
+            Label start = new Label();
+            Label end = new Label();
+            Label check = new Label();
+
+            var env = new BreakEnv();
+            env.startLabel = check;
+            env.endLabel = end;
+
+            mv.visitLabel(start);
+            state.breakStack.push(env);
+            generate(state, _do.body());
+            state.breakStack.pop();
+
+            mv.visitLabel(check);
+            generate(state, _do.cond());
+            mv.visitJumpInsn(IFEQ, end);
+            mv.visitJumpInsn(GOTO, start);
+            mv.visitLabel(end);
+            break;
+        }
         case TargetIf _if: {
             generate(state, _if.cond());
             Label _else = new Label();

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

@@ -66,7 +66,7 @@ public class JavaTXCompiler {
 	Boolean resultmodel = true;
     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?
+    Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
     public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
     public final DirectoryClassLoader classLoader;
 
@@ -98,7 +98,7 @@ public class JavaTXCompiler {
 		}
 		if (outputPath != null) path.add(outputPath);
 		classLoader = new DirectoryClassLoader(path, ClassLoader.getSystemClassLoader());
-		environment = new CompilationEnvironment(sources);
+		environment = new CompilationEnvironment(sources, classLoader);
 		classPath = path;
 		this.outputPath = outputPath;
 
@@ -207,7 +207,7 @@ public class JavaTXCompiler {
                 cl.getMethods().add(new Method(m.modifier, m.name, m.getReturnType().acceptTV(new TypeExchanger(gtvs)), newParaList, m.block,
                         // new GenericDeclarationList(newGenericsList,
                         // ((GenericDeclarationList)m.getGenerics()).getOffset()),
-                        (GenericDeclarationList) m.getGenerics(), m.getOffset(), true));
+                        (GenericDeclarationList) m.getGenerics(), m.getOffset(), true, false));
             }
 
 		}
@@ -666,6 +666,7 @@ public class JavaTXCompiler {
 	public final Map<JavaClassName, ClassEntry> loadedClasses = new HashMap<>();
 
 	private SourceFile parse(File sourceFile) throws IOException, java.lang.ClassNotFoundException {
+		if (sourceFiles.containsKey(sourceFile)) return sourceFiles.get(sourceFile);
 		SourceFileContext tree = JavaTXParser.parse(sourceFile);
 		environment.addClassesToRegistry(classRegistry, tree, sourceFile, this);
 		SyntaxTreeGenerator generator = new SyntaxTreeGenerator(this, classRegistry, new GenericsRegistry(null), sourceFile.getName());
@@ -740,7 +741,9 @@ public class JavaTXCompiler {
 		var sf = sourceFiles.get(sourceFile);
 		if (sf.isGenerated()) return null;
 		List<ResultSet> typeinferenceResult = this.typeInference(sourceFile);
-		return generateBytecode(sf, typeinferenceResult);
+		var classes = generateBytecode(sf, typeinferenceResult);
+		sf.setGenerated();
+		return classes;
 	}
 
 	private Map<SourceFile, List<GenericsResult>> generatedGenerics = new HashMap<>();

src/main/java/de/dhbwstuttgart/environment/CompilationEnvironment.java

@@ -34,7 +34,7 @@ public class CompilationEnvironment {
 	 * 
 	 * @param sourceFiles die zu kompilierenden Dateien
 	 */
-	public CompilationEnvironment(List<File> sourceFiles) {
+	public CompilationEnvironment(List<File> sourceFiles, DirectoryClassLoader classLoader) {
 		/**
 		 * Java 9 bringt einige Änderungen am Classloader So funktioniert der BootClassLoader nicht mehr. hier gibts ein paar Quellen zum nachlesen: http://java9.wtf/class-loading/ https://stackoverflow.com/questions/46494112/classloaders-hierarchy-in-java-9
 		 *
@@ -54,7 +54,7 @@ public class CompilationEnvironment {
 		// librarys = Arrays.asList(loader.getURLs());
 
 		this.sourceFiles = sourceFiles;
-		this.packageCrawler = new PackageCrawler(librarys);
+		this.packageCrawler = new PackageCrawler(classLoader);
 	}
 
 	public void addClassesToRegistry(JavaClassRegistry registry, SourceFileContext tree, File sourceFile, JavaTXCompiler compiler) throws ClassNotFoundException, IOException {
@@ -104,12 +104,4 @@ public class CompilationEnvironment {
 		return packageName;
 	}
 
-	public List<ClassOrInterface> getAllAvailableClasses() {
-		List<ClassOrInterface> ret = new ArrayList<>();
-		for (Class c : new PackageCrawler(librarys).getAllAvailableClasses()) {
-			ret.add(ASTFactory.createClass(c));
-		}
-		return ret;
-	}
-
 }

src/main/java/de/dhbwstuttgart/environment/DirectoryClassLoader.java

@@ -5,31 +5,61 @@ import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.nio.file.Files;
+import java.nio.file.*;
-import java.nio.file.Path;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
 public class DirectoryClassLoader extends URLClassLoader implements IByteArrayClassLoader {
-    public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
+//    public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
-        super(generateURLArray(dirToURL(directory)), parent);
+//        super(generateURLArray(dirToURL(directory)), parent);
-    }
+//    }
 
     public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
-        super(directory.stream().map(DirectoryClassLoader::dirToURL).collect(Collectors.toList()).toArray(new URL[0]), parent);
+        super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).collect(Collectors.toList()).toArray(new URL[0]), parent.getParent());
     }
 
     private static URL[] generateURLArray(URL url) {
         return new URL[]{url};
     }
 
-    private static URL dirToURL(File url){
+    private static List<URL> dirToURL(File file) {
-        if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
+        //if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
-        try {
+
-            return url.toURI().toURL();
+        Path dir;
-        } catch (MalformedURLException e) {
+        if (file.isDirectory()) {
-            throw new RuntimeException(e);
+            try {
+                return List.of(file.toURI().toURL()); // if file is a directory, use it as is
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+                return List.of();
+            }
         }
+
+        dir = file.toPath().getParent(); // if file is not a directory, get its parent directory
+        String pattern = file.toPath().getFileName().toString(); // use the file name as a glob pattern
+
+        List<URL> urls = new ArrayList<>();
+
+        try {
+            urls = Files.walk(dir)
+                    .filter(Files::isRegularFile) // only consider files (not directories)
+                    .filter(path -> {
+                        PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
+                        return matcher.matches(path.getFileName()); // match the file name against the pattern
+                    })
+                    .map(path -> {
+                        try {
+                            return path.toUri().toURL();
+                        } catch (MalformedURLException e) {
+                            throw new RuntimeException(e);
+                        }
+                    }) // convert the path to a URL
+                    .toList(); // print the path of each matching file
+        } catch (IOException | RuntimeException e) {
+            e.printStackTrace();
+        }
+        return urls;
     }
 
     @Override

src/main/java/de/dhbwstuttgart/environment/PackageCrawler.java

@@ -1,17 +1,10 @@
 package de.dhbwstuttgart.environment;
 
-import java.net.URL;
+import io.github.classgraph.ClassGraph;
+import io.github.classgraph.ScanResult;
+
 import java.util.*;
 
-import org.reflections.Reflections;
-import org.reflections.scanners.ResourcesScanner;
-import org.reflections.scanners.SubTypesScanner;
-import org.reflections.util.ConfigurationBuilder;
-import org.reflections.util.FilterBuilder;
-
-import de.dhbwstuttgart.parser.scope.JavaClassName;
-import org.reflections.vfs.SystemDir;
-
 /**
  * Hilft beim Durchsuchen von Packages
  * Benutzt die Reflections-Library (https://github.com/ronmamo/reflections)
@@ -19,48 +12,30 @@ import org.reflections.vfs.SystemDir;
  */
 public class PackageCrawler {
 
-	final URL[] urls;
+	final DirectoryClassLoader classLoader;
-	public PackageCrawler(List<URL> urlList) {
+	public PackageCrawler(DirectoryClassLoader classLoader) {
-		urls = urlList.toArray(new URL[0]);
+		this.classLoader = classLoader;
 	}
 	
-    public Set<Class<?>> getClassesInPackage(String packageName){
+    public Set<Class<?>> getClassesInPackage(String packageName) {
-    	/*
+        var res = new HashSet<Class<?>>();
-        List<DirectoryClassLoader> classLoadersList = new LinkedList<DirectoryClassLoader>();
-        classLoadersList.add(Thread.currentThread().getContextClassLoader());
-        classLoadersList.add(ClasspathHelper.staticClassLoader());
-        classLoadersList.add(Thread.currentThread().getContextClassLoader().getParent());
-        classLoadersList.add(DirectoryClassLoader.getSystemClassLoader());
-        String bootClassPath = System.getProperty("sun.boot.class.path");
-        ArrayList<URL> urlList = new ArrayList<>();
-        for(String path : bootClassPath.split(";")) {
-        	try {
-				urlList.add(new URL("file:"+path));
-			} catch (MalformedURLException e) {
-				new DebugException("Fehler im Classpath auf diesem System");
-			}
-        }
-        URL[] urls = urlList.toArray(new URL[0]);
-        classLoadersList.add(new URLClassLoader(urls, DirectoryClassLoader.getSystemClassLoader()));
-        */
-        Reflections reflections = new Reflections(new ConfigurationBuilder()
-                .setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
-                .setUrls(urls)
-                .filterInputsBy(new FilterBuilder().include(FilterBuilder.prefix(packageName))));
 
-        Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
+        try (ScanResult result = new ClassGraph()
+            .enableClassInfo()
+            .enableSystemJarsAndModules()
+            .addClassLoader(classLoader)
+            .acceptPackages(packageName)
+            .scan()) {
 
-        return classes;
+            for (var info : result.getAllClasses()) {
-    }
+                try {
+                    var clazz = Class.forName(info.getName());
+                    res.add(clazz);
+                } catch (ClassNotFoundException ignored) {}
+            }
+        };
 
-    public Set<Class<?>> getAllAvailableClasses(){
+        return res;
-        Reflections reflections = new Reflections(new ConfigurationBuilder()
-                .setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
-                .setUrls(urls));
-
-        Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
-
-        return classes;
     }
 
   public Map<String, Integer> getClassNames(String packageName){

src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java

@@ -279,7 +279,7 @@ public class StatementGenerator {
 
         if (!Objects.isNull(creator.classCreatorRest())) {
             ArgumentList args = convertArguments(creator.classCreatorRest().arguments().expressionList());
-            ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = args.getArguments().stream().map(x -> TypePlaceholder.fresh(creator.getStart())).collect(Collectors.toCollection(ArrayList::new));
+            ArrayList<TypePlaceholder> argTypes = args.getArguments().stream().map(x -> TypePlaceholder.fresh(creator.getStart())).collect(Collectors.toCollection(ArrayList::new));
             argTypes.add(TypePlaceholder.fresh(creator.getStart())); // return type
             Statement ret = new NewClass(newclass, args, null, argTypes, creator.getStart());
             ret.setStatement();
@@ -311,7 +311,7 @@ public class StatementGenerator {
         IdentifierContext identifier = innercreator.identifier();
         RefType newclass = (RefType) TypeGenerator.convertTypeName(identifier.getText(), genericArgs, identifier.getStart(), reg, generics);
         ArgumentList args = convertArguments(innercreator.classCreatorRest().arguments().expressionList());
-        ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = args.getArguments().stream().map(x -> TypePlaceholder.fresh(innercreator.getStart())).collect(Collectors.toCollection(ArrayList::new));
+        ArrayList<TypePlaceholder> argTypes = args.getArguments().stream().map(x -> TypePlaceholder.fresh(innercreator.getStart())).collect(Collectors.toCollection(ArrayList::new));
         Statement ret = new NewClass(newclass, args, null, argTypes, innercreator.getStart());
         ret.setStatement();
         return ret;
@@ -597,8 +597,12 @@ public class StatementGenerator {
     }
 
     private Statement convert(Java17Parser.ContinuestmtContext stmt) {
-        // TODO
+        Token offset = stmt.getStart();
-        throw new NotImplementedException();
+        if (!Objects.isNull(stmt.identifier())) {
+            return new Continue(localVars.get(stmt.identifier().getText()), offset);
+        } else {
+            return new Continue(TypePlaceholder.fresh(offset), offset);
+        }
     }
 
     private Statement convert(Java17Parser.SemistmtContext stmt) {
@@ -712,7 +716,7 @@ public class StatementGenerator {
         }
 
         ArgumentList argumentList = convertArguments(expr.expressionList());
-        ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature = argumentList.getArguments().stream().map(x -> (RefTypeOrTPHOrWildcardOrGeneric) TypePlaceholder.fresh(offset)).collect(Collectors.toCollection(ArrayList::new));
+        ArrayList<TypePlaceholder> signature = argumentList.getArguments().stream().map(x -> TypePlaceholder.fresh(offset)).collect(Collectors.toCollection(ArrayList::new));
         signature.add(TypePlaceholder.fresh(offset)); // return type
 
         MethodCall ret;
@@ -737,7 +741,7 @@ public class StatementGenerator {
             name = expr.SUPER().getText();
         }
         ArgumentList argumentList = convertArguments(expr.expressionList());
-        ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature = argumentList.getArguments().stream().map(x -> (RefTypeOrTPHOrWildcardOrGeneric) TypePlaceholder.fresh(offset)).collect(Collectors.toCollection(ArrayList::new));
+        ArrayList<TypePlaceholder> signature = argumentList.getArguments().stream().map(x -> TypePlaceholder.fresh(offset)).collect(Collectors.toCollection(ArrayList::new));
         signature.add(TypePlaceholder.fresh(offset)); // return type
         MethodCall ret = new MethodCall(TypePlaceholder.fresh(offset), getReceiver(receiver), name, argumentList, TypePlaceholder.fresh(offset), signature, offset);
         ret.setStatement();
@@ -804,6 +808,7 @@ public class StatementGenerator {
             // Check for Classname:
             if (reg.contains(whole)) {
                 receiver = generateStaticClassName(whole, offset);
+                break;
             }
             whole += ".";
         }

src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java

@@ -71,10 +71,6 @@ import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.Void;
-import de.dhbwstuttgart.typeinference.constraints.GenericsResolver;
-import javassist.compiler.SyntaxError;
-
-import javax.swing.text.html.Option;
 
 public class SyntaxTreeGenerator {
   private JavaClassRegistry reg;
@@ -452,8 +448,8 @@ public class SyntaxTreeGenerator {
   protected static Block prepareBlock(Block constructorBlock, RefType superClass) {
     List<Statement> statements = constructorBlock.getStatements();
     if (statements.isEmpty() || !(statements.get(0) instanceof SuperCall || statements.get(0) instanceof ThisCall))  {
-      var signature = new ArrayList<RefTypeOrTPHOrWildcardOrGeneric>();
+      var signature = new ArrayList<TypePlaceholder>();
-      signature.add(new Void(new NullToken()));
+      signature.add(TypePlaceholder.fresh(new NullToken()));
       statements.add(0, new SuperCall(superClass, signature, constructorBlock.getOffset()));
     }
     /* statements.addAll(fieldInitializations); geloescht PL 2018-11-24 */

src/main/java/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java

@@ -236,6 +236,11 @@ public abstract class AbstractASTWalker implements ASTVisitor {
         aBreak.accept(this);
     }
 
+    @Override
+    public void visit(Continue aContinue) {
+        aContinue.accept(this);
+    }
+
     @Override
     public void visit(StaticClassName staticClassName) {
 

src/main/java/de/dhbwstuttgart/syntaxtree/Method.java

@@ -33,6 +33,7 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
 	private GenericDeclarationList generics;
 	private final RefTypeOrTPHOrWildcardOrGeneric returnType;
 	public final Boolean isInherited; 
+	public final Boolean isImplemented;
 	
 	/*
 	 * its Constraints
@@ -50,10 +51,11 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
 		this.block = block;
 		this.generics = gtvDeclarations;
 		this.isInherited = false;
+		this.isImplemented = false;
 	}
 	
 	public Method(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList parameterList, Block block,
-			  GenericDeclarationList gtvDeclarations, Token offset, Boolean isInherited) {
+			  GenericDeclarationList gtvDeclarations, Token offset, Boolean isInherited, Boolean isOverridden) {
 		super(offset);
 		this.name = name;
 		this.modifier = modifier;
@@ -62,6 +64,7 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
 		this.block = block;
 		this.generics = gtvDeclarations;
 		this.isInherited = isInherited;
+		this.isImplemented = isOverridden;
 	}
 
 	public ParameterList getParameterList() {
@@ -107,4 +110,10 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
 	public int hashCode() {
 		return Objects.hash(name, parameterlist, returnType);
 	}
+	
+	@Override
+	public String toString() {
+		return name;
+	
+	}
 }

src/main/java/de/dhbwstuttgart/syntaxtree/StatementVisitor.java

@@ -53,6 +53,8 @@ public interface StatementVisitor {
 
     void visit(Break aBreak);
 
+    void visit(Continue aContinue);
+
     void visit(Yield aYield);
     
     void visit(StaticClassName staticClassName);

src/main/java/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java

@@ -105,11 +105,46 @@ public class ASTFactory {
 		allInheritedMethods.removeAll(allDeclaredMethods);
 		for (java.lang.reflect.Method method : allDeclaredMethods) {
 			var signature = methodSignatures.get(new Pair<>(method.getName(), org.objectweb.asm.Type.getMethodDescriptor(method)));
-			methoden.add(createMethod(method, signature, jreClass, false));
+			if (jreClass.getSuperclass()==null) {
-		}
+				methoden.add(createMethod(method, signature, jreClass, false, false));
+			}
+			else {
+				Boolean isImplemented = false;
+				isImplemented = Arrays.stream(jreClass.getInterfaces()).
+									   reduce(false, 
+											  (x,y) -> {
+												  try { 
+													  y.getDeclaredMethod(method.getName(), method.getParameterTypes());
+													  return true;
+												  }
+												  catch (java.lang.NoSuchMethodException e) {
+													  return false;
+												  }},
+											  (x,y) -> (x || y)
+											 );
+					
+			    if (isImplemented) {
+			    	methoden.add(createMethod(method, signature, jreClass, false, true));
+			    }
+			    else {
+			    	if (Modifier.isAbstract(jreClass.getSuperclass().getModifiers())) {	
+			    		try {
+			    			jreClass.getSuperclass().getDeclaredMethod(method.getName(), method.getParameterTypes());
+			    			methoden.add(createMethod(method, signature, jreClass, false, true));
+			    		}
+			    		catch (java.lang.NoSuchMethodException e) { 
+								methoden.add(createMethod(method, signature, jreClass, false, false));	
+			    		}
+			    	}
+			    	else {
+			    		methoden.add(createMethod(method, signature, jreClass, false, false));
+			    	}
+			    	
+			    }
+		}}
 		for (java.lang.reflect.Method method : allInheritedMethods) {
 			var signature = methodSignatures.get(new Pair<>(method.getName(), org.objectweb.asm.Type.getMethodDescriptor(method)));
-			methoden.add(createMethod(method, signature, jreClass, true));
+			methoden.add(createMethod(method, signature, jreClass, true, false));
 		}
 		List<Field> felder = new ArrayList<>();
 		for (java.lang.reflect.Field field : jreClass.getDeclaredFields()) {
@@ -192,7 +227,7 @@ public class ASTFactory {
 		return Optional.of(new de.dhbwstuttgart.syntaxtree.Constructor(modifier, name, returnType, parameterList, block, gtvDeclarations, offset /* , new ArrayList<>() geloescht PL 2018-11-24 */));
 	}
 
-	public static Method createMethod(java.lang.reflect.Method jreMethod, String signature, java.lang.Class inClass, Boolean isInherited) {
+	public static Method createMethod(java.lang.reflect.Method jreMethod, String signature, java.lang.Class inClass, Boolean isInherited, Boolean isImplemented) {
 		String name = jreMethod.getName();
 		RefTypeOrTPHOrWildcardOrGeneric returnType;
 		Type jreRetType;
@@ -218,7 +253,7 @@ public class ASTFactory {
 		GenericDeclarationList gtvDeclarations = createGenerics(jreMethod.getTypeParameters(), inClass, jreMethod.getName(), signature);
 		Token offset = new NullToken();
 
-		return new Method(jreMethod.getModifiers(), name, returnType, parameterList, block, gtvDeclarations, offset, isInherited);
+		return new Method(jreMethod.getModifiers(), name, returnType, parameterList, block, gtvDeclarations, offset, isInherited, isImplemented);
 	}
 
 	public static GenericDeclarationList createGenerics(TypeVariable[] typeParameters, Class context, String methodName, String signature) {

src/main/java/de/dhbwstuttgart/syntaxtree/statement/Continue.java

@@ -0,0 +1,18 @@
+package de.dhbwstuttgart.syntaxtree.statement;
+
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import org.antlr.v4.runtime.Token;
+
+public class Continue extends Statement {
+
+  public Continue(RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
+    super(type, offset);
+  }
+
+  @Override
+  public void accept(StatementVisitor visitor) {
+    visitor.visit(this);
+  }
+
+}

src/main/java/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java

@@ -27,10 +27,10 @@ public class MethodCall extends Statement
     public RefTypeOrTPHOrWildcardOrGeneric receiverType;
     
     //sind Tphs, repraesentieren im Resultset die Signatur der aufgerufenen Methoden, letztes Element ist der Returntyp
-    public final ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature;  
+    public final ArrayList<TypePlaceholder> signature;  
     
     public MethodCall(RefTypeOrTPHOrWildcardOrGeneric retType, Receiver receiver, String methodName, ArgumentList argumentList, 
-    		          RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature, Token offset){
+    		          RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<TypePlaceholder> signature, Token offset){
 		super(retType,offset);
 		this.arglist = argumentList;
         this.name = methodName;
@@ -40,7 +40,7 @@ public class MethodCall extends Statement
         if (signature == null) throw new NullPointerException();
 	}
 
-    public List<RefTypeOrTPHOrWildcardOrGeneric> signatureArguments() {
+    public List<TypePlaceholder> signatureArguments() {
         return signature.subList(0, signature.size() - 1);
     }
 

src/main/java/de/dhbwstuttgart/syntaxtree/statement/NewClass.java

@@ -11,6 +11,7 @@ import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.assumptions.MethodAssumption;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
@@ -30,9 +31,9 @@ public class NewClass extends MethodCall
      * @param start
      */
     public NewClass(RefType newClass, ArgumentList args, RefTypeOrTPHOrWildcardOrGeneric receiverType, 
-    		ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token start) {
+    		ArrayList<TypePlaceholder> signature, Token start) {
         super(newClass, new ExpressionReceiver(new EmptyStmt(start)), newClass.getName().toString(), 
-        		args, receiverType, argTypes, start);
+        		args, receiverType, signature, start);
     }
 
     @Override

src/main/java/de/dhbwstuttgart/syntaxtree/statement/SuperCall.java

@@ -4,6 +4,7 @@ import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.Void;
 import org.antlr.v4.runtime.Token;
 
@@ -16,12 +17,12 @@ import java.util.List;
 public class SuperCall extends MethodCall
 {
     public SuperCall(RefTypeOrTPHOrWildcardOrGeneric receiverType, 
-    		ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
+    		ArrayList<TypePlaceholder> argTypes, Token offset){
         this(new ArgumentList(new ArrayList<Expression>(), offset), receiverType, argTypes, offset);
     }
 
     public SuperCall(ArgumentList argumentList, RefTypeOrTPHOrWildcardOrGeneric receiverType, 
-    		ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
+    		ArrayList<TypePlaceholder> argTypes, Token offset){
         super(new Void(offset), new ExpressionReceiver(new Super(receiverType, offset)), "<init>", argumentList, receiverType, argTypes, offset);
     }
 

src/main/java/de/dhbwstuttgart/syntaxtree/statement/ThisCall.java

@@ -3,6 +3,7 @@ package de.dhbwstuttgart.syntaxtree.statement;
 import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.Void;
 import org.antlr.v4.runtime.Token;
 
@@ -11,7 +12,7 @@ import java.util.ArrayList;
 
 public class ThisCall extends MethodCall
 {
-    public ThisCall(ArgumentList argumentList, RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset) {
+    public ThisCall(ArgumentList argumentList, RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<TypePlaceholder> argTypes, Token offset) {
         super(new Void(offset), new ExpressionReceiver(new This(offset)), "<init>", argumentList, receiverType, argTypes, offset);
     }
 

src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java

@@ -333,6 +333,11 @@ public class OutputGenerator implements ASTVisitor {
         out.append("break");
     }
 
+    @Override
+    public void visit(Continue aContinue) {
+        out.append("continue");
+    }
+
     @Override
     public void visit(StaticClassName staticClassName) {
 
@@ -380,6 +385,7 @@ public class OutputGenerator implements ASTVisitor {
         out.append("super(");
         superCall.arglist.accept(this);
         out.append(")");
+        out.append(" Signature: " + superCall.signature);
     }
 
     @Override
@@ -387,6 +393,7 @@ public class OutputGenerator implements ASTVisitor {
         out.append("this(");
         thisCall.arglist.accept(this);
         out.append(")");
+        out.append(" Signature: " + thisCall.signature);
     }
 
     @Override

src/main/java/de/dhbwstuttgart/target/generate/StatementToTargetExpression.java

@@ -228,6 +228,7 @@ public class StatementToTargetExpression implements ASTVisitor {
             isInterface = receiverClass.isInterface();
         }
 
+        System.out.println(argList);
         result = new TargetMethodCall(converter.convert(methodCall.getType()), returnType, argList, converter.convert(methodCall.receiver), methodCall.getArgumentList().getArguments().stream().map(converter::convert).toList(), receiverType, methodCall.name, isStatic, isInterface, isPrivate);
     }
 
@@ -260,6 +261,11 @@ public class StatementToTargetExpression implements ASTVisitor {
         result = new TargetBreak();
     }
 
+    @Override
+    public void visit(Continue aContinue) {
+        result = new TargetContinue();
+    }
+
     @Override
     public void visit(StaticClassName staticClassName) {
         result = new TargetClassName(converter.convert(staticClassName.getType()));
@@ -282,7 +288,7 @@ public class StatementToTargetExpression implements ASTVisitor {
 
     @Override
     public void visit(DoStmt whileStmt) {
-        throw new NotImplementedException();
+        result = new TargetDo(converter.convert(whileStmt.expr), converter.convert(whileStmt.loopBlock));
     }
 
     // TODO These two might not be necessary
@@ -300,9 +306,20 @@ public class StatementToTargetExpression implements ASTVisitor {
     public void visit(SuperCall superCall) {
         var aSuper = converter.convert(superCall.receiver.getType());
         var type = converter.convert(superCall.getType());
-        var parameters = superCall.arglist.getArguments().stream().map(par -> converter.convert(par.getType())).toList();
+        var receiverName = new JavaClassName(converter.convert(superCall.receiver.getType()).name());
+        var clazz = converter.compiler.getClass(receiverName);
+        var signature = superCall.signatureArguments().stream().map(converter::convert).toList();
+        var method = converter.findConstructor(clazz, signature);
+        var params = superCall.getArgumentList().getArguments().stream().map(converter::convert).toList();
 
-        result = new TargetMethodCall(type, type, parameters, new TargetSuper(aSuper), superCall.getArgumentList().getArguments().stream().map(converter::convert).toList(), aSuper, superCall.name, false, false, false);
+        List<TargetType> argList;
+        if (method.isPresent()) {
+            argList = method.get().getParameterList().getFormalparalist().stream().map(e -> converter.convert(e.getType())).toList();
+        } else {
+            argList = params.stream().map(TargetExpression::type).toList();
+        }
+
+        result = new TargetMethodCall(type, null, argList, new TargetSuper(aSuper), params, aSuper, superCall.name, false, false, false);
     }
 
     @Override

src/main/java/de/dhbwstuttgart/target/generate/TracingStatementVisitor.java

@@ -124,6 +124,11 @@ public abstract class TracingStatementVisitor implements StatementVisitor {
 
     }
 
+    @Override
+    public void visit(Continue aContinue) {
+
+    }
+
     @Override
     public void visit(StaticClassName staticClassName) {
 

src/main/java/de/dhbwstuttgart/target/tree/expression/TargetDo.java

@@ -0,0 +1,4 @@
+package de.dhbwstuttgart.target.tree.expression;
+
+public record TargetDo(TargetExpression cond, TargetExpression body) implements TargetExpression {
+}

src/main/java/de/dhbwstuttgart/target/tree/expression/TargetExpression.java

@@ -3,7 +3,7 @@ package de.dhbwstuttgart.target.tree.expression;
 import de.dhbwstuttgart.target.tree.type.*;
 
 public sealed interface TargetExpression
-        permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
+        permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetDo, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
 
     default TargetType type() {
         return null;

src/main/java/de/dhbwstuttgart/target/tree/expression/TargetWhile.java

@@ -1,6 +1,4 @@
 package de.dhbwstuttgart.target.tree.expression;
 
-import de.dhbwstuttgart.target.tree.type.TargetType;
-
 public record TargetWhile(TargetExpression cond, TargetExpression body) implements TargetExpression {
 }

src/main/java/de/dhbwstuttgart/typeinference/assumptions/MethodAssumption.java

@@ -20,14 +20,16 @@ public class MethodAssumption extends Assumption{
     private RefTypeOrTPHOrWildcardOrGeneric retType;
     List<? extends RefTypeOrTPHOrWildcardOrGeneric> params;
     private final Boolean isInherited;
+    private final Boolean isOverridden;
 
     public MethodAssumption(ClassOrInterface receiver, RefTypeOrTPHOrWildcardOrGeneric retType,
-                            List<? extends RefTypeOrTPHOrWildcardOrGeneric> params, TypeScope scope, Boolean isInherited){
+                            List<? extends RefTypeOrTPHOrWildcardOrGeneric> params, TypeScope scope, Boolean isInherited, Boolean isOverridden){
         super(scope);
         this.receiver = receiver;
         this.retType = retType;
         this.params = params;
         this.isInherited = isInherited;
+        this.isOverridden = isOverridden;
     }
 
     /*
@@ -74,4 +76,8 @@ public class MethodAssumption extends Assumption{
     public Boolean isInherited() {
     	return isInherited;
     }
+    
+    public Boolean isOverridden() {
+    	return isOverridden;
+    }
 }

src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceBlockInformation.java

@@ -35,7 +35,6 @@ public class TypeInferenceBlockInformation extends TypeInferenceInformation {
 
     public ClassOrInterface getSuperClass() {
         for (var clazz : getAvailableClasses()) {
-            System.out.println(currentClass.getSuperClass().getName());
             if (clazz.getClassName().equals(currentClass.getSuperClass().getName()))
                 return clazz;
         }

src/main/java/de/dhbwstuttgart/typeinference/constraints/Constraint.java

@@ -8,7 +8,8 @@ import java.util.Set;
 
 public class Constraint<A> extends HashSet<A> {
 	private static final long serialVersionUID = 1L;
-	private Boolean isInherited = false;//wird nur für die Method-Constraints benoetigt
+	private Boolean isInherited = false;//wird beides nur für die Method-Constraints benoetigt
+	private Boolean isImplemented = false;
 	
 	/*
 	 * wird verwendet um bei der Codegenerierung die richtige Methoden - Signatur
@@ -22,12 +23,14 @@ public class Constraint<A> extends HashSet<A> {
 		super();
 	}
 	
-	public Constraint(Boolean isInherited) {
+	public Constraint(Boolean isInherited, Boolean isImplemented) {
 		this.isInherited = isInherited;
+		this.isImplemented = isImplemented;
 	}
 	
-	public Constraint(Boolean isInherited, Constraint<A> extendConstraint, Set<A> methodSignatureConstraint) {
+	public Constraint(Boolean isInherited, Boolean isImplemented, Constraint<A> extendConstraint, Set<A> methodSignatureConstraint) {
 		this.isInherited = isInherited;
+		this.isImplemented = isImplemented;
 		this.extendConstraint = extendConstraint;
 		this.methodSignatureConstraint = methodSignatureConstraint;
 	}
@@ -40,6 +43,10 @@ public class Constraint<A> extends HashSet<A> {
 		return isInherited;
 	}
 	
+	public Boolean isImplemented() {
+		return isImplemented;
+	}
+	
 	public Constraint<A> getExtendConstraint() {
 		return extendConstraint;
 	}
@@ -57,7 +64,8 @@ public class Constraint<A> extends HashSet<A> {
 	}
 
 	public String toString() {
-		return super.toString() + "\nisInherited = " + isInherited 
+		return super.toString() + "\nisInherited = " + isInherited + " isOveridden = " + isImplemented
+				+ methodSignatureConstraint
 				//" + extendsContraint: "  + (extendConstraint != null ? extendConstraint.toStringBase() : "null" ) 
 				+ "\n" ;
 	}

src/main/java/de/dhbwstuttgart/typeinference/constraints/ConstraintSet.java

@@ -71,12 +71,13 @@ public class ConstraintSet<A> {
         
         for(Set<Constraint<A>> oderConstraint : oderConstraints){
             newOder.add(
-                    oderConstraint.parallelStream().map((Constraint<A> as) -> {
+                    oderConstraint.stream().map((Constraint<A> as) -> {
                     	
                     	Constraint<B> newConst = as.stream()
                     			.map(o)
                     			.collect(Collectors.toCollection((
                     					() -> new Constraint<B> (as.isInherited(),
+                    											 as.isImplemented(),
                     											 (as.getExtendConstraint() != null)
                     											     ? as.getExtendConstraint().stream().map(o).collect(Collectors.toCollection(Constraint::new))
                     											     : null,

src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java

@@ -514,6 +514,11 @@ public class TYPEStmt implements StatementVisitor {
 
     }
 
+    @Override
+    public void visit(Continue aContinue) {
+
+    }
+
     @Override
     public void visit(StaticClassName staticClassName) {
         // Hier entstehen keine Constraints
@@ -569,7 +574,10 @@ public class TYPEStmt implements StatementVisitor {
 
     @Override
     public void visit(DoStmt whileStmt) {
-        throw new NotImplementedException();
+        RefType booleanType = new RefType(ASTFactory.createClass(java.lang.Boolean.class).getClassName(), new NullToken());
+        whileStmt.expr.accept(this);
+        constraintsSet.addUndConstraint(new Pair(whileStmt.expr.getType(), booleanType, PairOperator.EQUALSDOT, loc(whileStmt.expr.getOffset())));
+        whileStmt.loopBlock.accept(this);
     }
 
     @Override
@@ -591,7 +599,7 @@ public class TYPEStmt implements StatementVisitor {
         for (var ctor : clazz.getConstructors()) {
             var params = convertParams(ctor.getParameterList(), info);
             if (params.size() != superCall.arglist.getArguments().size()) continue;
-            var assumption = new MethodAssumption(null, new Void(new NullToken()), params, createTypeScope(clazz, ctor), ctor.isInherited);
+            var assumption = new MethodAssumption(null, new Void(new NullToken()), params, createTypeScope(clazz, ctor), ctor.isInherited, false);
 
             GenericsResolver resolver = getResolverInstance();
             Set<Constraint<Pair>> oneMethodConstraints = generateConstraint(superCall, assumption, info, resolver);
@@ -607,7 +615,7 @@ public class TYPEStmt implements StatementVisitor {
         for (var ctor : info.getCurrentClass().getConstructors()) {
             var params = convertParams(ctor.getParameterList(), info);
             if (params.size() != thisCall.arglist.getArguments().size()) continue;
-            var assumption = new MethodAssumption(null, new Void(new NullToken()), params, createTypeScope(info.getCurrentClass(), ctor), ctor.isInherited);
+            var assumption = new MethodAssumption(null, new Void(new NullToken()), params, createTypeScope(info.getCurrentClass(), ctor), ctor.isInherited, false);
 
             GenericsResolver resolver = getResolverInstance();
             Set<Constraint<Pair>> oneMethodConstraints = generateConstraint(thisCall, assumption, info, resolver);
@@ -640,8 +648,8 @@ public class TYPEStmt implements StatementVisitor {
 
     protected Set<Constraint<Pair>> generateConstraint(MethodCall forMethod, MethodAssumption assumption, TypeInferenceBlockInformation info, GenericsResolver resolver) {
         Constraint<Pair> methodConstraint, extendsMethodConstraint;
-        methodConstraint = new Constraint<>(assumption.isInherited());
+        methodConstraint = new Constraint<>(assumption.isInherited(), assumption.isOverridden());
-        extendsMethodConstraint = new Constraint<>(assumption.isInherited());// PL 2023-01-24: Ersetzt die Dopplung in visit(MethodCall)
+        extendsMethodConstraint = new Constraint<>(assumption.isInherited(), assumption.isOverridden());// PL 2023-01-24: Ersetzt die Dopplung in visit(MethodCall)
 
         ClassOrInterface receiverCl = assumption.getReceiver();
         /*
@@ -716,7 +724,6 @@ public class TYPEStmt implements StatementVisitor {
         Set<Pair> ret = new HashSet<>();
 
         for (int i = 0; i < foMethod.arglist.getArguments().size(); i++) {
-
             // Zuordnung von MethoCall.signature (Argumenttypen) zu der Argumenttypen der ausgewaehlten Methode (assumption.params)
             ret.add(new Pair(foMethod.signature.get(i), assumption.getArgTypes().get(i), PairOperator.EQUALSDOT));
 
@@ -747,14 +754,14 @@ public class TYPEStmt implements StatementVisitor {
                 public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
                     throw new NotImplementedException();
                 }
-            }, false));
+            }, false, false));
         }
         for (ClassOrInterface cl : info.getAvailableClasses()) {
             for (Method m : cl.getMethods()) {
                 if (m.getName().equals(name) && m.getParameterList().getFormalparalist().size() == numArgs) {
                     RefTypeOrTPHOrWildcardOrGeneric retType = m.getReturnType();// info.checkGTV(m.getReturnType());
 
-                    ret.add(new MethodAssumption(cl, retType, convertParams(m.getParameterList(), info), createTypeScope(cl, m), m.isInherited));
+                    ret.add(new MethodAssumption(cl, retType, convertParams(m.getParameterList(), info), createTypeScope(cl, m), m.isInherited, m.isImplemented));
                 }
             }
         }
@@ -786,7 +793,7 @@ public class TYPEStmt implements StatementVisitor {
                 for (Method m : cl.getConstructors()) {
                     if (m.getParameterList().getFormalparalist().size() == argList.getArguments().size()) {
                         var params = convertParams(m.getParameterList(), info);
-                        ret.add(new MethodAssumption(cl, cl.generateTypeOfThisClass(), params, createTypeScope(cl, m), m.isInherited));
+                        ret.add(new MethodAssumption(cl, cl.generateTypeOfThisClass(), params, createTypeScope(cl, m), m.isInherited, m.isImplemented));
                     }
                 }
             }

src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java

@@ -702,9 +702,10 @@ public class RuleSet implements IRuleSet{
 						x -> uni.apply(pair,x)).collect(Collectors.toCollection((b.getExtendConstraint() != null)
 								? () -> new Constraint<UnifyPair>(
 										  b.isInherited(),
+										  b.isImplemented(),
 										  b.getExtendConstraint().stream().map(x -> uni.apply(pair,x)).collect(Collectors.toCollection(Constraint::new)),
 										  b.getmethodSignatureConstraint().stream().map(x -> uni.apply(pair,x)).collect(Collectors.toCollection(HashSet::new)))
-								: () -> new Constraint<UnifyPair>(b.isInherited())
+								: () -> new Constraint<UnifyPair>(b.isInherited(), b.isImplemented())
 									));
 				oderConstraints.replaceAll(oc -> oc.stream().map(applyUni).collect(Collectors.toCollection(HashSet::new)));
 				/*

src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

@@ -253,13 +253,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		one = true;
 		Set<UnifyPair> neweq = new HashSet<>(eq);
 		/* 1-elementige Oder-Constraints werden in und-Constraints umgewandelt */
+		Set<UnifyPair> methodSignatureConstraint = new HashSet<>();
 		oderConstraintsField.stream()
         	.filter(x -> x.size()==1)
-        	.map(y -> y.stream().findFirst().get()).forEach(x -> neweq.addAll(x));
+        	.map(y -> y.stream().findFirst().get()).forEach(x -> { neweq.addAll(x); methodSignatureConstraint.addAll(x.getmethodSignatureConstraint());} );
 		ArrayList<Set<Constraint<UnifyPair>>> remainingOderconstraints = oderConstraintsField.stream()
 				.filter(x -> x.size()>1)
 				.collect(Collectors.toCollection(ArrayList::new));
-		Set<Set<UnifyPair>> res = unify(neweq, remainingOderconstraints, fc, parallel, rekTiefeField, new HashSet<>());
+		Set<Set<UnifyPair>> res = unify(neweq, remainingOderconstraints, fc, parallel, rekTiefeField, methodSignatureConstraint);
 		noOfThread--;
 		try {
 			logFile.close();
@@ -598,11 +599,13 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 						eqPrimePrimeSet.forEach(x -> x.addAll(methodSignatureConstraint));
 						
 						//Substitutionen in methodcontraintsets werdne ausgeführt
+						/* PL auskommentiert 2024-05-02
 						eqPrimePrimeSet = eqPrimePrimeSet.stream().map(
 									x -> { Optional<Set<UnifyPair>> help = rules.subst(x); 
 										   return help.isPresent() ? 
 												   help.get(): 
 													   x; }).collect(Collectors.toSet());
+						*/							   
 						/*
 						 * Ende
 						 */
@@ -813,6 +816,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			writeLog("nextSetasList: " + nextSetasList.toString());
 			if (variance == 1) {
 				a = oup.max(nextSetasList.iterator());
+				writeLog("Max: a in " + variance + " "+ a);
 				nextSetasList.remove(a);
 				if (oderConstraint) {
 					nextSetasListOderConstraints.add(((Constraint<UnifyPair>)a).getExtendConstraint());
@@ -1350,12 +1354,15 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 						while(aParDefIt.hasNext()) {
 							Set<UnifyPair> a_new = aParDefIt.next();
 							List<Set<UnifyPair>> smallerSetasList = oup.smallerThan(a_new, nextSetasList);
+							writeLog("smallerSetasList: " + smallerSetasList);
 							List<Set<UnifyPair>> notInherited = smallerSetasList.stream()
-								.filter(x -> !((Constraint<UnifyPair>)x).isInherited())
+								.filter(x -> !((Constraint<UnifyPair>)x).isInherited() && !((Constraint<UnifyPair>)x).isImplemented())
 								.collect(Collectors.toCollection(ArrayList::new));
+							writeLog("notInherited: " + notInherited+"\n");
 							List<Set<UnifyPair>> notErased = new ArrayList<>();
 							notInherited.stream().forEach(x -> { notErased.addAll(oup.smallerEqThan(x, smallerSetasList)); });
 							List<Set<UnifyPair>> erased = new ArrayList<>(smallerSetasList); 
+							writeLog("notErased: " + notErased+"\n");
 							erased.removeAll(notErased);
 							nextSetasList.removeAll(erased);
 							

src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java

@@ -36,6 +36,7 @@ import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
 import de.dhbwstuttgart.util.Pair;
 import org.antlr.v4.runtime.Token;
+import org.apache.commons.io.output.NullWriter;
 
 /**
  * The finite closure for the type unification
@@ -140,6 +141,10 @@ implements IFiniteClosure  {
 		}
 	}
 	
+	public FiniteClosure(Set<UnifyPair> constraints, Writer writer) {
+		this(constraints, writer, null);
+	}
+
 	void testSmaller() {
 		UnifyType tq1, tq2, tq3;
 		tq1 = new ExtendsType(PlaceholderType.freshPlaceholder());
@@ -694,7 +699,7 @@ implements IFiniteClosure  {
 	*/
 	
 	public int compare (UnifyType left, UnifyType right, PairOperator pairop) {
-		//try {logFile.write("left: "+ left + " right: " + right + " pairop: " + pairop);} catch (IOException ie) {}
+		try {logFile.write("left: "+ left + " right: " + right + " pairop: " + pairop +"\n");} catch (IOException ie) {}
 		if (left.getName().equals("Matrix") || right.getName().equals("Matrix")) 
 			System.out.println("");
 		/*
@@ -751,15 +756,15 @@ implements IFiniteClosure  {
 		HashSet<UnifyPair> hs = new HashSet<>();
 		hs.add(up);
 		Set<UnifyPair> smallerRes = unifyTask.applyTypeUnificationRules(hs, this);
-		/*
+		
-		//if (left.getName().equals("Matrix") || right.getName().equals("Matrix")) 
+		//if (left.getName().equals("Vector") || right.getName().equals("AbstractList")) 
 		{try { 
 			logFile.write("\nsmallerRes: " + smallerRes);//"smallerHash: " + greaterHash.toString());
 			logFile.flush();
 		}
 		catch (IOException e) {
 			System.err.println("no LogFile");}}
-		*/
+		
 		//Gleichungen der Form a <./=. Theta oder Theta <./=. a oder a <./=. b sind ok.
 		Predicate<UnifyPair> delFun = x -> !((x.getLhsType() instanceof PlaceholderType || 
 											 x.getRhsType() instanceof PlaceholderType)
@@ -767,6 +772,12 @@ implements IFiniteClosure  {
 													 ((WildcardType)x.getLhsType()).getWildcardedType().equals(x.getRhsType()))
 											 );
 		long smallerLen = smallerRes.stream().filter(delFun).count();
+		try { 
+			logFile.write("\nsmallerLen: " + smallerLen +"\n");
+			logFile.flush();
+		}
+		catch (IOException e) {
+			System.err.println("no LogFile");}
 		if (smallerLen == 0) return -1;
 		else {
 			up = new UnifyPair(right, left, pairop);
@@ -774,15 +785,15 @@ implements IFiniteClosure  {
 			hs = new HashSet<>();
 			hs.add(up);
 			Set<UnifyPair> greaterRes = unifyTask.applyTypeUnificationRules(hs, this);
-			/*
+			
-			//if (left.getName().equals("Matrix") || right.getName().equals("Matrix")) 
+			//if (left.getName().equals("Vector") || right.getName().equals("AbstractList")) 
 			{try { 
 				logFile.write("\ngreaterRes: " + greaterRes);//"smallerHash: " + greaterHash.toString());
 				logFile.flush();
 			}
 			catch (IOException e) {
 				System.err.println("no LogFile");}}
-			*/
+			
 			//Gleichungen der Form a <./=. Theta oder Theta <./=. a oder a <./=. b sind ok. 
 			long greaterLen = greaterRes.stream().filter(delFun).count();
 			if (greaterLen == 0) return 1;

src/main/java/de/dhbwstuttgart/typeinference/unify/model/ReferenceType.java

@@ -34,6 +34,12 @@ public class ReferenceType extends UnifyType {
 		this.genericTypeVar = genericTypeVar;
 	}
 	
+	public ReferenceType(String name, UnifyType... params) {
+		super(name, new TypeParams(params));
+		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		genericTypeVar = false;
+	}
+	
 	public ReferenceType(String name, TypeParams params) {
 		super(name, params);
 		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();

src/test/java/AllgemeinTest.java

@@ -1,6 +1,7 @@
 
 
 import static org.junit.Assert.*;
+import static targetast.TestCodegen.generateClassFiles;
 
 import java.io.File;
 import java.lang.reflect.Field;
@@ -14,6 +15,7 @@ import org.junit.Test;
 import com.google.common.collect.Lists;
 
 import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.environment.ByteArrayClassLoader;
 
 public class AllgemeinTest {
 
@@ -62,7 +64,9 @@ public class AllgemeinTest {
 		//String className = "Cycle";
 		//String className = "TripleTest";
 		//String className = "WildcardList";
-		String className = "List";
+		//String className = "List";
+		//String className = "Box";
+		String className = "GenBox";
 		//PL 2019-10-24: genutzt fuer unterschiedliche Tests
 		path = System.getProperty("user.dir")+"/resources/AllgemeinTest/" + className + ".jav";
 		//path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav";
@@ -74,7 +78,7 @@ public class AllgemeinTest {
                 Lists.newArrayList(new File(System.getProperty("user.dir")+"/resources/bytecode/classFiles/")),
 			   	new File(System.getProperty("user.dir")+"/resources/bytecode/classFiles/"));
 		//*/
-		compiler.generateBytecode(new File(path));
+		compiler.generateBytecode();
 		pathToClassFile = System.getProperty("user.dir")+"/resources/bytecode/classFiles/";
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
 		classToTest = loader.loadClass(className);

src/test/java/TestComplete.java

@@ -4,6 +4,7 @@ import org.junit.Ignore;
 import org.junit.Test;
 
 import java.lang.reflect.*;
+import java.util.AbstractList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Vector;
@@ -180,7 +181,7 @@ public class TestComplete {
     }
 
     @Test
-    @Ignore()
+    //@Ignore()
     public void matrixOpTest() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "MatrixOP.jav");
         var matrixOP = classFiles.get("MatrixOP");
@@ -263,7 +264,7 @@ public class TestComplete {
 
         var instanceOfClass_m2 = matrix.getDeclaredConstructor(Vector.class).newInstance(vv1);
 
-        var mul = matrix.getDeclaredMethod("mul", Vector.class);
+        var mul = matrix.getDeclaredMethod("mul", List.class);
         var result = mul.invoke(instanceOfClass_m1, instanceOfClass_m2);
         System.out.println(instanceOfClass_m1.toString() + " * " + instanceOfClass_m2.toString() + " = " + result.toString());
 
@@ -605,10 +606,10 @@ public class TestComplete {
     }
 
     @Test
-    @Ignore("This one isn't working")
+    //@Ignore("This one isn't working")
     public void boxTest() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Box.jav");
-        var instance = classFiles.get("Box_Main").getDeclaredConstructor().newInstance();
+        var instance = classFiles.get("Box").getDeclaredConstructor().newInstance();
     }
 
     @Test
@@ -924,6 +925,22 @@ public class TestComplete {
         assertEquals(clazz.getDeclaredMethod("main", Integer.class).invoke(instance, 5), "small");
     }
 
+    @Test
+    public void testWhile() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "While.jav");
+        var clazz = classFiles.get("While");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+        assertEquals(clazz.getDeclaredMethod("m", Integer.class).invoke(instance, 5),  5);
+        assertEquals(clazz.getDeclaredMethod("m2").invoke(instance), 10);
+    }
+
+    @Test
+    public void testImportWildcard() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "ImportWildcard.jav");
+        var clazz = classFiles.get("ImportWildcard");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+    }
+
     @Test
     public void testBug122() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug122.jav");
@@ -1085,6 +1102,37 @@ public class TestComplete {
         assertEquals(res, List.of(6, 7, 8));
     }
 
+    @Test
+    public void testBug325() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug325.jav");
+        var clazz = classFiles.get("Bug325");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+        clazz.getDeclaredMethod("main").invoke(instance);
+    }
+
+    @Test
+    public void testBug326() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug326.jav");
+        var clazz = classFiles.get("Bug326");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+    }
+
+    @Test
+    public void testBug328() throws Exception {
+        var loader = new ByteArrayClassLoader();
+        loader.loadClass(TestCodegen.path.resolve("Bug328B.class"));
+        var classFiles = generateClassFiles(loader, "Bug328.jav");
+        var clazz = classFiles.get("Bug328");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+    }
+
+    @Test
+    public void testBug333() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug333.jav");
+        var clazz = classFiles.get("Bug333");
+        var instance = clazz.getDeclaredConstructor().newInstance();
+    }
+
     @Test
     public void testBug338() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug338.jav");

src/test/java/targetast/ASTToTypedTargetAST.java

@@ -57,7 +57,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Tph2.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var tphAndGenerics = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@@ -68,7 +68,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Cycle.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var cycle = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@@ -79,7 +79,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Infimum.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var infimum = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@@ -90,7 +90,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Gen.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var generics = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@@ -124,7 +124,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Generics2.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var generics2 = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@@ -140,7 +140,7 @@ public class ASTToTypedTargetAST {
         var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Generics3.jav").toFile();
         var compiler = new JavaTXCompiler(file);
         var resultSet = compiler.typeInference(file);
-        var converter = new ASTToTargetAST(resultSet);
+        var converter = new ASTToTargetAST(compiler, resultSet);
         var classes = compiler.sourceFiles.get(file).getClasses();
 
         var generics3 = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());