return error Message String

Die Parameter von Lambda-Ausdruecken wurden mit der Variance 1 belegt.

pom.xml

@@ -73,8 +73,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 				<version>3.14.0</version>
 				<configuration>
 					<compilerArgs>--enable-preview</compilerArgs>
-                    <source>23</source>
+                    <source>24</source>
-                    <target>23</target>
+                    <target>24</target>
                 </configuration>
 			</plugin>
 			<plugin>

resources/bytecode/javFiles/MatrixOP.jav

@@ -4,7 +4,7 @@ import java.lang.Integer;
 import java.lang.Boolean;
 
 public class MatrixOP    extends Vector<Vector<Integer>> {
-   
+
 	MatrixOP () {
     }
 
@@ -36,8 +36,8 @@ public class MatrixOP    extends Vector<Vector<Integer>> {
                 v2.addElement(erg);
                 j++; }
             ret.addElement(v2);
-            i++; 
+            i++;
          }
         return ret;
     };
-}
+}

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

@@ -132,6 +132,7 @@ public class Codegen {
     }
 
     private void boxPrimitive(State state, TargetType type) {
+        if (type instanceof TargetExtendsWildcard ew) type = ew.innerType();
         var mv = state.mv;
         if (type.equals(TargetType.Boolean) || type.equals(TargetType.boolean_)) {
             mv.visitMethodInsn(INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;", false);
@@ -153,6 +154,7 @@ public class Codegen {
     }
 
     private void unboxPrimitive(State state, TargetType type) {
+        if (type instanceof TargetExtendsWildcard ew) type = ew.innerType();
         var mv = state.mv;
         if (type.equals(TargetType.Boolean)) {
             mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z", false);
@@ -228,6 +230,9 @@ public class Codegen {
     }
 
     private void convertTo(State state, TargetType source, TargetType dest) {
+        if (source instanceof TargetExtendsWildcard ew) source = ew.innerType();
+        if (dest instanceof TargetExtendsWildcard ew) dest = ew.innerType();
+
         var mv = state.mv;
         if (source.equals(dest))
             return;
@@ -640,7 +645,7 @@ public class Codegen {
         } else if (op.expr() instanceof TargetFieldVar fieldVar) {
             generate(state, fieldVar.left());
             mv.visitInsn(SWAP);
-            mv.visitFieldInsn(PUTFIELD, fieldVar.owner().getInternalName(), fieldVar.right(), fieldVar.type().toSignature());
+            mv.visitFieldInsn(PUTFIELD, fieldVar.owner().getInternalName(), fieldVar.right(), fieldVar.type().toDescriptor());
         }
     }
 
@@ -803,7 +808,7 @@ public class Codegen {
         var handle = new Handle(state.isStatic ? H_INVOKESTATIC : H_INVOKEVIRTUAL, clazz.getName(), impl.name(), implSignature.getDescriptor(), false);
 
         var params = new ArrayList<TargetType>();
-        if(!state.isStatic) params.add(new TargetRefType(clazz.qualifiedName().getClassName()));
+        if(!state.isStatic) params.add(new TargetRefType(clazz.qualifiedName().toString()));
         params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList());
 
         if (!state.isStatic)
@@ -942,7 +947,7 @@ public class Codegen {
                         mv.visitInsn(DUP);
                     else
                         mv.visitInsn(DUP_X1);
-                    mv.visitFieldInsn(dot.isStatic() ? PUTSTATIC : PUTFIELD, dot.owner().getInternalName(), dot.right(), fieldType.toSignature());
+                    mv.visitFieldInsn(dot.isStatic() ? PUTSTATIC : PUTFIELD, dot.owner().getInternalName(), dot.right(), fieldType.toDescriptor());
                 }
                 default -> throw new CodeGenException("Invalid assignment");
             }
@@ -959,7 +964,7 @@ public class Codegen {
         case TargetFieldVar dot: {
             if (!dot.isStatic())
                 generate(state, dot.left());
-            mv.visitFieldInsn(dot.isStatic() ? GETSTATIC : GETFIELD, dot.left().type().getInternalName(), dot.right(), dot.type().toSignature());
+            mv.visitFieldInsn(dot.isStatic() ? GETSTATIC : GETFIELD, dot.left().type().getInternalName(), dot.right(), dot.type().toDescriptor());
             unboxPrimitive(state, dot.type());
             break;
         }
@@ -1423,7 +1428,7 @@ public class Codegen {
             throw new CodeGenException("Couldn't find suitable field accessor for '" + type.name() + "'");
         var field = clazz.getFieldDecl().get(i);
         var fieldType = converter.convert(field.getType());
-        state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toSignature(), false);
+        state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toDescriptor(), false);
     }
 
     private void bindPattern(State state, TargetType type, TargetPattern pat, Label start, int index, int depth) {
@@ -1528,7 +1533,7 @@ public class Codegen {
         //if ((access & ACC_PRIVATE) == 0 && (access & ACC_PROTECTED) == 0) // TODO Implement access modifiers properly
         //    access |= ACC_PUBLIC;
 
-        cw.visitField(access, field.name(), field.type().toSignature(), field.type().toDescriptor(), null);
+        cw.visitField(access, field.name(), field.type().toDescriptor(), field.type().toSignature(), null);
     }
 
     private void generateStaticConstructor(TargetMethod constructor) {
@@ -1604,7 +1609,7 @@ public class Codegen {
         mv.visitCode();
         mv.visitVarInsn(ALOAD, 0);
         mv.visitMethodInsn(INVOKESTATIC, "java/util/List", "of", "([Ljava/lang/Object;)Ljava/util/List;", true);
-        mv.visitMethodInsn(INVOKESTATIC, className, "main", "(Ljava/util/List;)V", false);
+        mv.visitMethodInsn(INVOKESTATIC, new TargetRefType(clazz.qualifiedName().toString()).getInternalName(), "main", "(Ljava/util/List;)V", false);
         mv.visitInsn(RETURN);
         mv.visitMaxs(0, 0);
         mv.visitEnd();
@@ -1661,12 +1666,12 @@ public class Codegen {
         if (!generics.isEmpty()) {
             ret += "<";
             for (var generic : generics) {
-                ret += generic.name() + ":" + generic.bound().toDescriptor();
+                ret += generic.name() + ":" + generic.bound().toSignature();
             }
             ret += ">";
         }
         if (clazz.superType() != null)
-            ret += clazz.superType().toDescriptor();
+            ret += clazz.superType().toSignature();
         for (var intf : clazz.implementingInterfaces()) {
             ret += intf.toSignature();
         }
@@ -1778,7 +1783,7 @@ public class Codegen {
 
             cw2.visitEnd();
             var bytes = cw2.toByteArray();
-            converter.auxiliaries.put(className, bytes);
+            compiler.auxiliaries.put(className, bytes);
 
             // TODO These class loading shenanigans happen in a few places, the tests load the classes individually.
             // Instead we should just look at the folder.
@@ -1821,7 +1826,7 @@ public class Codegen {
         bootstrapArgs[1] = String.join(";", clazz.fields().stream().map(TargetField::name).toArray(String[]::new));
         for (var i = 0; i < clazz.fields().size(); i++) {
             var field = clazz.fields().get(i);
-            var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toSignature(), false);
+            var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toDescriptor(), false);
             bootstrapArgs[i + 2] = fieldRef;
         }
 

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

@@ -98,7 +98,7 @@ public class FunNGenerator {
     }
 
     private static String applySignature(TargetType a) { return a.toSignature(); }
-    private static String applyNameDescriptor(TargetType a){ return a instanceof TargetGenericType ? "LTPH;" : String.format("%s", applySignature(a)); }
+    private static String applyNameDescriptor(TargetType a){ return a instanceof TargetGenericType ? "LTPH;" : String.format("%s", a.toDescriptor()); }
 
     public static String encodeType(TargetType type) {
         if (type == null) return VOID;

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

@@ -2,6 +2,7 @@
 package de.dhbwstuttgart.core;
 
 import de.dhbwstuttgart.bytecode.Codegen;
+import de.dhbwstuttgart.bytecode.FunNGenerator;
 import de.dhbwstuttgart.environment.CompilationEnvironment;
 import de.dhbwstuttgart.environment.DirectoryClassLoader;
 import de.dhbwstuttgart.exceptions.DebugException;
@@ -74,6 +75,11 @@ public class JavaTXCompiler {
 	public final List<File> classPath;
 	private final File outputPath;
 
+	public final Map<String, FunNGenerator.GenericParameters> usedFunN = new HashMap<>();
+	public final Set<Integer> usedFunNSuperTypes = new HashSet<>();
+
+	public Map<String, byte[]> auxiliaries = new HashMap<>();
+
 	public DirectoryClassLoader getClassLoader() {
 		return classLoader;
 	}
@@ -726,7 +732,7 @@ public class JavaTXCompiler {
 		}
 		generatedGenerics.put(sf, converter.javaGenerics());
 		converter.generateFunNTypes();
-		converter.auxiliaries.forEach((name, source) -> {
+		auxiliaries.forEach((name, source) -> {
 			generatedClasses.put(new JavaClassName(name), source);
 		});
 		return generatedClasses;

src/main/java/de/dhbwstuttgart/languageServerInterface/LanguageServerInterface.java

@@ -49,27 +49,27 @@ public class LanguageServerInterface {
      * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
      *
      * @param pathAsString the URI of the File. See Example.
-     * @throws IOException
-     * @throws ClassNotFoundException
-     * @throws URISyntaxException
      */
-    public LanguageServerTransferObject getResultSetAndAbstractSyntax(String pathAsString) throws IOException, ClassNotFoundException, URISyntaxException {
+    public LanguageServerTransferObject getResultSetAndAbstractSyntax(String pathAsString){
         System.setOut(new PrintStream(OutputStream.nullOutputStream()));
+        try {
+            var uri = new URI(pathAsString);
+            var path = Path.of(uri);
+            var file = path.toFile();
+            Files.createDirectories(path.getParent().resolve("out"));
+            var compiler = new JavaTXCompiler(List.of(file), List.of(path.getParent().toFile()), path.getParent().resolve("out").toFile());
 
-        var uri = new URI(pathAsString);
+            var parsedSource = compiler.sourceFiles.get(file);
-        var path = Path.of(uri);
+            var tiResults = compiler.typeInference(file);
-        var file = path.toFile();
-        Files.createDirectories(path.getParent().resolve("out"));
-        var compiler = new JavaTXCompiler(List.of(file), List.of(path.getParent().toFile()), path.getParent().resolve("out").toFile());
 
-        var parsedSource = compiler.sourceFiles.get(file);
+            Map<JavaClassName, byte[]> bytecode = compiler.generateBytecode(parsedSource, tiResults);
-        var tiResults = compiler.typeInference(file);
+            Files.createDirectories(path.getParent().resolve("out"));
+            compiler.writeClassFile(bytecode, path.getParent().resolve("out").toFile(), false);
 
-        Map<JavaClassName, byte[]> bytecode = compiler.generateBytecode(parsedSource, tiResults);
+            return new LanguageServerTransferObject(tiResults, parsedSource, "", compiler.getGeneratedGenerics());
-        Files.createDirectories(path.getParent().resolve("out"));
+        }catch (Exception e){
-        compiler.writeClassFile(bytecode, path.getParent().resolve("out").toFile(), false);
+            throw new RuntimeException(e.getMessage());
-
+        }
-        return new LanguageServerTransferObject(tiResults, parsedSource, "", compiler.getGeneratedGenerics());
     }
 
     /**
@@ -112,138 +112,9 @@ public class LanguageServerInterface {
         return test;
     }
 
-    private static void writeClassFile(String name, byte[] code, Path outputPath) throws IOException {
-        Files.createDirectories(outputPath);
-        Files.write(outputPath.resolve(name + ".class"), code);
-    }
-
-    public static Map<String, ? extends Class<?>> generateClassFiles(IByteArrayClassLoader classLoader, Path path, Path outputPath, String... files) throws IOException, ClassNotFoundException {
-        Files.createDirectories(outputPath);
-        var filenames = Arrays.stream(files).map(filename -> Path.of(path.toString(), filename).toFile()).toList();
-        var compiler = new JavaTXCompiler(filenames, List.of(path.toFile(), outputPath.toFile()), outputPath.toFile());
-
-        var result = new HashMap<String, Class<?>>();
-        for (var file : filenames) {
-            var resultSet = compiler.typeInference(file);
-
-            var sourceFile = compiler.sourceFiles.get(file);
-            var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
-            var classes = compiler.sourceFiles.get(file).getClasses();
-
-            result.putAll(classes.stream().map(cli -> {
-                try {
-                    return generateClass(converter.convert(cli), classLoader, converter, outputPath);
-                } catch (IOException exception) {
-                    throw new RuntimeException(exception);
-                }
-            }).collect(Collectors.toMap(Class::getName, Function.identity())));
-
-            converter.generateFunNTypes();
-
-            for (var entry : converter.auxiliaries.entrySet()) {
-                writeClassFile(entry.getKey(), entry.getValue(), outputPath);
-            }
-        }
-
-        for (var entry : compiler.loadedClasses.entrySet()) {
-            var name = entry.getKey().toString();
-            result.put(name, classLoader.loadClass(Path.of(entry.getValue().classFile().toURI())));
-        }
-
-        return result;
-    }
-
-    public static Class<?> generateClass(TargetStructure clazz, IByteArrayClassLoader classLoader, ASTToTargetAST converter, Path outputPath) throws IOException {
-        Codegen codegen = new Codegen(clazz, converter.compiler, converter);
-        var code = codegen.generate();
-        writeClassFile(clazz.qualifiedName().getClassName(), code, outputPath);
-        return classLoader.loadClass(code);
-    }
-
-    public static Map<String, ? extends Class<?>> generateClassFiles(String filename, IByteArrayClassLoader classLoader, String filePath) throws IOException, ClassNotFoundException {
-        var file = Path.of(filePath, filename).toFile();
-        var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
-        var resultSet = compiler.typeInference(file);
-
-        var sourceFile = compiler.sourceFiles.get(file);
-        var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
-        var classes = compiler.sourceFiles.get(file).getClasses();
-
-        var result = classes.stream().map(cli -> {
-            try {
-                return generateClass(converter.convert(cli), classLoader, converter, Path.of(filePath + "/out/"));
-            } catch (IOException exception) {
-                throw new RuntimeException(exception);
-            }
-        }).collect(Collectors.toMap(Class::getName, Function.identity()));
-
-        converter.generateFunNTypes();
-
-        for (var entry : converter.auxiliaries.entrySet()) {
-            writeClassFile(entry.getKey(), entry.getValue(), Path.of(filePath + "/out/"));
-        }
-
-        return result;
-    }
-
     public static SourceFile getAST(String filename, String filePath) throws IOException, ClassNotFoundException {
         var file = Path.of(filePath, filename).toFile();
         var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
         return compiler.sourceFiles.get(file);
     }
-
-    public static LanguageServerTransferObject getLanguageServerTransferObject(String filename, IByteArrayClassLoader classLoader, String filePath) throws IOException, ClassNotFoundException {
-        var file = Path.of(filePath, filename).toFile();
-        var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
-        var resultSet = compiler.typeInference(file);
-
-        var sourceFile = compiler.sourceFiles.get(file);
-        var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
-        compiler.generateBytecode();
-        converter.generateFunNTypes();
-
-        var ta = converter.javaGenerics();
-        var tb = converter.txGenerics();
-        Map<SourceFile, List<GenericsResult>> generics = new HashMap<>();
-
-        ArrayList<GenericsResult> genericsResults = new ArrayList<>();
-        genericsResults.addAll(ta);
-        genericsResults.addAll(tb);
-        generics.put(converter.compiler.sourceFiles.values().stream().findFirst().get(), ta);
-        var test = new LanguageServerTransferObject(resultSet, converter.compiler.sourceFiles.values().stream().findFirst().get(), "", compiler.getGeneratedGenerics());
-        return test;
-    }
-
-    /**
-     * generates Bytecode for the given Path of the File.
-     * The Generated Bytecode can be found in the same place as the path, except the File lies in an /out/ Directory
-     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
-     *
-     * @param uri the URI of the File. See Example.
-     * @throws IOException
-     * @throws ClassNotFoundException
-     * @throws URISyntaxException
-     */
-    public void generateBytecode(URI uri) throws IOException, ClassNotFoundException, URISyntaxException {
-
-//        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
-//
-//
-//        File inputDir = new File(uri.getPath());
-//        File outFile = new File(uri.getPath() + "/out");
-//        FileUtils.cleanDirectory(outFile);
-//        String[] allowedEndings = {".jav"};
-//        ArrayList<File> files = new ArrayList<>();
-//
-//        try (Stream<Path> stream = Files.walk(Paths.get(inputDir.toURI()))) {
-//            stream.filter(Files::isRegularFile)
-//                    .forEach(el -> files.add(el.toFile()));
-//        }
-//
-//
-//        List<String> javFiles = files.stream().filter(el -> el.getName().split("\\.").length >= 2 && el.getName().split("\\.")[el.getName().split("\\.").length - 1].contains("jav")).map(el -> el.getPath().replace(inputDir.getPath(), "").substring(1)).toList();
-//        //TODO: Link between Files
-//        generateClassFiles(new ByteArrayClassLoader(), Path.of(inputDir.toURI()), Path.of(outFile.toURI()), javFiles.toArray(new String[0]));
-//        System.setOut(System.out);
-    }
 }

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

@@ -150,7 +150,7 @@ public class StatementGenerator {
                 } else {
                 	type = methodparameters?
                 			TypePlaceholder.fresh(fp.getStart(), 1, false) 
-                			: TypePlaceholder.fresh(fp.getStart());
+                			: TypePlaceholder.fresh(fp.getStart(), 1, false);
                 }
                 ret.add(new FormalParameter(paramName, type, fp.getStart()));
                 localVars.put(paramName, type); 
@@ -1065,7 +1065,7 @@ public class StatementGenerator {
             List<Pattern> parameterList = new ArrayList<>();
             for (IdentifierContext identifier : lambdaParams.identifier()) {
                 Token offset = identifier.getStart();
-                parameterList.add(new FormalParameter(identifier.getText(), TypePlaceholder.fresh(offset), offset));
+                parameterList.add(new FormalParameter(identifier.getText(), TypePlaceholder.fresh(offset, 1, false), offset));
             }
             params = new ParameterList(parameterList, lambdaParams.getStart());
         } else if (lambdaParams.formalParameterList() != null) {
@@ -1075,7 +1075,7 @@ public class StatementGenerator {
             List<Pattern> parameterList = new ArrayList<>();
             for (LambdaLVTIParameterContext param : lambdaParams.lambdaLVTIList().lambdaLVTIParameter()) {
                 Token offset = param.getStart();
-                parameterList.add(new FormalParameter(param.identifier().getText(), TypePlaceholder.fresh(offset), offset));
+                parameterList.add(new FormalParameter(param.identifier().getText(), TypePlaceholder.fresh(offset, 1, false), offset));
             }
             params = new ParameterList(parameterList, lambdaParams.getStart());
         } else {

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

@@ -6,10 +6,12 @@ import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.target.tree.TargetGeneric;
 import org.antlr.v4.runtime.Token;
 
 import java.lang.reflect.Modifier;
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * Stellt jede Art von Klasse dar. Auch abstrakte Klassen und Interfaces
@@ -31,6 +33,7 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
   private List<RefType> implementedInterfaces;
   private List<RefType> permittedSubtypes;
   private List<Constructor> constructors;
+  private Set<GenericTypeVar> userDefinedGenerics;
 
   public ClassOrInterface(int modifiers, JavaClassName name, List<Field> fielddecl, Optional<Constructor> fieldInitializations, Optional<Method> staticInitializer, List<Method> methods, List<Constructor> constructors, GenericDeclarationList genericClassParameters, RefType superClass, Boolean isInterface, Boolean isFunctionalInterface, List<RefType> implementedInterfaces, List<RefType> permittedSubtypes, Token offset, String fileName) {
     super(offset);
@@ -199,4 +202,22 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
   public int hashCode() {
     return Objects.hash(name);
   }
+
+  public Set<GenericTypeVar> getUserDefinedGenerics() {
+    if (this.userDefinedGenerics != null) return this.userDefinedGenerics;
+
+    var genericsIter = getGenerics().iterator();
+    if (genericsIter.hasNext()) {
+      // Add empty set of generics to cache so that it doesn't try to calculate it later
+      this.userDefinedGenerics = new HashSet<>();
+      while (genericsIter.hasNext()) {
+        var next = genericsIter.next();
+        userDefinedGenerics.add(next);
+      }
+    } else {
+      this.userDefinedGenerics = new HashSet<>();
+    }
+
+    return this.userDefinedGenerics;
+  }
 }

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

@@ -5,8 +5,10 @@ import java.util.*;
 
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.target.generate.ASTToTargetAST;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
 //import sun.security.x509.X509CertInfo;
 
 public class SourceFile extends SyntaxTreeNode {
@@ -18,6 +20,7 @@ public class SourceFile extends SyntaxTreeNode {
   private boolean isGenerated;
 
   public List<ClassOrInterface> availableClasses = new ArrayList<>();
+  public List<ASTToTargetAST.Generics> generics = new ArrayList<>();
 
   /**
    * Die SourceFile repräsntiert eine zu einem Syntaxbaum eingelesene Java-Datei.
@@ -40,6 +43,10 @@ public class SourceFile extends SyntaxTreeNode {
     this.imports = new HashSet<>(sf.imports);
   }
 
+  public void addResultSet(ResultSet rs) {
+
+  }
+
   public void setPackageName(String packageName) {
     this.pkgName = packageName;
   }

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

@@ -37,7 +37,6 @@ public class ASTToTargetAST {
     public Generics generics;
     public List<Generics> currentMethodOverloads;
 
-    final Map<ClassOrInterface, Set<GenericTypeVar>> userDefinedGenerics = new HashMap<>();
     final Map<Method, Set<SignaturePair>> tphsInMethods = new HashMap<>();
     private Method currentMethod;
 
@@ -62,9 +61,11 @@ public class ASTToTargetAST {
     }
 
     public record Generics(JavaGenerics javaGenerics, TxGenerics txGenerics) {
+        public Generics(JavaTXCompiler compiler, ResultSet set) {
+            this(new JavaGenerics(compiler, set), new TxGenerics(compiler, set));
+        }
     }
 
-
     public IByteArrayClassLoader classLoader;
     protected SourceFile sourceFile;
 
@@ -82,9 +83,9 @@ public class ASTToTargetAST {
 
         all = new ArrayList<>();
         for (var set : resultSets) {
-            all.add(new Generics(new JavaGenerics(this, set), new TxGenerics(this, set)));
+            all.add(new Generics(compiler, set));
         }
-        this.generics = all.get(0);
+        this.generics = all.getFirst();
     }
 
     public void addSignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {
@@ -94,9 +95,13 @@ public class ASTToTargetAST {
     }
 
     Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList) {
+        return findMethod(owner, name, argumentList, this.generics.javaGenerics, this.compiler);
+    }
+
+    public static Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList, GenerateGenerics generics, JavaTXCompiler compiler) {
         Optional<Method> method = Optional.empty();
         while (method.isEmpty()) {
-            method = owner.getMethods().stream().filter(m -> m.name.equals(name) && parameterEquals(m.getParameterList(), argumentList)).findFirst();
+            method = owner.getMethods().stream().filter(m -> m.name.equals(name) && parameterEquals(m.getParameterList(), argumentList, generics)).findFirst();
             if (owner.getClassName().toString().equals("java.lang.Object")) break;
             owner = compiler.getClass(owner.getSuperClass().getName());
         }
@@ -104,16 +109,16 @@ public class ASTToTargetAST {
     }
 
     Optional<Constructor> findConstructor(ClassOrInterface owner, List<TargetType> argumentList) {
-        return owner.getConstructors().stream().filter(c -> parameterEquals(c.getParameterList(), argumentList)).findFirst();
+        return owner.getConstructors().stream().filter(c -> parameterEquals(c.getParameterList(), argumentList, generics.javaGenerics)).findFirst();
     }
 
-    boolean parameterEquals(ParameterList parameterList, List<TargetType> arguments) {
+    static boolean parameterEquals(ParameterList parameterList, List<TargetType> arguments, GenerateGenerics generics) {
         var pars = parameterList.getFormalparalist();
         if (pars.size() != arguments.size())
             return false;
 
         for (var i = 0; i < pars.size(); i++) {
-            var type1 = convert(pars.get(i).getType(), generics.javaGenerics);
+            var type1 = generics.getTargetType(pars.get(i).getType());
             var type2 = arguments.get(i);
             if (type1 instanceof TargetGenericType)
                 return true;
@@ -351,19 +356,14 @@ public class ASTToTargetAST {
         Set<TargetGeneric> javaGenerics = new HashSet<>();
         Set<TargetGeneric> txGenerics = new HashSet<>();
 
-        var genericsIter = input.getGenerics().iterator();
+        var userDefinedGenerics = input.getUserDefinedGenerics();
-        if (genericsIter.hasNext()) {
+        if (!userDefinedGenerics.isEmpty()) {
             // Add empty set of generics to cache so that it doesn't try to calculate it later
-            var userDefinedGenerics = new HashSet<GenericTypeVar>();
+            for (var generic : userDefinedGenerics) {
-            this.userDefinedGenerics.put(input, userDefinedGenerics);
+                // TODO Support multiple bouds
-            while (genericsIter.hasNext()) {
+                javaGenerics.add(new TargetGeneric(generic.getName(), convert(generic.getBounds().getFirst())));
-                var next = genericsIter.next();
-                userDefinedGenerics.add(next);
-                // TODO Support multiple bounds
-                javaGenerics.add(new TargetGeneric(next.getName(), convert(next.getBounds().get(0))));
             }
         } else {
-            this.userDefinedGenerics.put(input, new HashSet<>());
             // Generate generics only if there are no user defined ones
             javaGenerics = convert(generics.javaGenerics.generics(input), generics.javaGenerics);
             txGenerics = convert(generics.txGenerics.generics(input), generics.txGenerics);
@@ -425,7 +425,7 @@ public class ASTToTargetAST {
     }
 
     private List<TargetConstructor> convert(ClassOrInterface currentClass, Constructor input, TargetBlock fieldInitializer) {
-        generics = all.get(0);
+        generics = all.getFirst();
         List<TargetConstructor> result = new ArrayList<>();
         Set<List<MethodParameter>> parameterSet = new HashSet<>();
         this.currentMethod = input;
@@ -469,13 +469,6 @@ public class ASTToTargetAST {
         }
     }
 
-    private TargetType unwrap(TargetType type) {
-        if (type instanceof TargetRefType ref) {
-            if (!ref.params().isEmpty()) return new TargetRefType(ref.name());
-        }
-        return type;
-    }
-
     private TargetExpression generatePatternOverloadsRec(int offset, TargetExpression switchExpr, List<TargetLocalVar> params, List<TargetPattern> patterns, List<TargetMethod> methods, TargetType classType) {
         if (methods.isEmpty()) throw new DebugException("Couldn't find a candidate for switch overloading");
         if (methods.size() == 1) {
@@ -746,11 +739,6 @@ public class ASTToTargetAST {
         return new TargetField(input.modifier, convert(input.getType(), generics.javaGenerics), input.getName());
     }
 
-    private final Map<String, FunNGenerator.GenericParameters> usedFunN = new HashMap<>();
-    private final Set<Integer> usedFunNSuperTypes = new HashSet<>();
-
-    public Map<String, byte[]> auxiliaries = new HashMap<>();
-
     public TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input) {
         return convert(input, generics.javaGenerics);
     }
@@ -819,20 +807,24 @@ public class ASTToTargetAST {
     }
 
     public void generateFunNTypes() {
-        for (var entry : usedFunN.entrySet()) {
+        for (var entry : compiler.usedFunN.entrySet()) {
             var gep = entry.getValue();
-            var superInterfaces = usedFunN.values().stream()
+            var superInterfaces = compiler.usedFunN.values().stream()
                 .filter(g -> !g.equals(gep))
                 .filter(genericParameters -> isSubtype(gep, genericParameters))
                 .map(FunNGenerator::getSpecializedClassName)
                 .toList();
 
             var code = FunNGenerator.generateSpecializedBytecode(gep, superInterfaces);
-            auxiliaries.put(entry.getKey(), code);
+            compiler.auxiliaries.put(entry.getKey(), code);
         }
     }
 
-    protected TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
+    public TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
+        return convert(input, generics, compiler);
+    }
+
+    public static TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics, JavaTXCompiler compiler) {
         return input.acceptTV(new TypeVisitor<>() {
             @Override
             public TargetType visit(RefType refType) {
@@ -844,31 +836,31 @@ public class ASTToTargetAST {
                 }
 
                 var params = refType.getParaList().stream().map(type -> {
-                    return convert(type, generics);
+                    return convert(type, generics, compiler);
                 }).toList();
 
                 if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea
                     var returnType = FunNGenerator.getReturnType(params);
                     var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), returnType);
-                    if (!usedFunNSuperTypes.contains(params.size())) {
+                    if (!compiler.usedFunNSuperTypes.contains(params.size())) {
-                        usedFunNSuperTypes.add(params.size());
+                        compiler.usedFunNSuperTypes.add(params.size());
                         var code = FunNGenerator.generateSuperBytecode(params.size() - 1, returnType != null ? 1 : 0);
                         var superClassName = FunNGenerator.getSuperClassName(params.size() - 1, returnType != null ? 1 : 0);
                         try {
-                            classLoader.findClass(superClassName);
+                            compiler.classLoader.findClass(superClassName);
                         } catch (ClassNotFoundException e) {
                             try {
-                                classLoader.loadClass(superClassName, code);
+                                compiler.classLoader.loadClass(superClassName, code);
                             } catch (LinkageError ignored) {}
                         }
-                        auxiliaries.put(superClassName, code);
+                        compiler.auxiliaries.put(superClassName, code);
                     }
                     FunNGenerator.GenericParameters gep = null;
-                    if (!usedFunN.containsKey(className)) {
+                    if (!compiler.usedFunN.containsKey(className)) {
                         gep = new FunNGenerator.GenericParameters(params, returnType != null ? 1 : 0);
-                        usedFunN.put(className, gep);
+                        compiler.usedFunN.put(className, gep);
                     } else {
-                        gep = usedFunN.get(className);
+                        gep = compiler.usedFunN.get(className);
                     }
                     return flattenFunNType(params, gep);
                 }
@@ -877,7 +869,7 @@ public class ASTToTargetAST {
 
             @Override
             public TargetType visit(SuperWildcardType superWildcardType) {
-                return new TargetSuperWildcard(convert(superWildcardType.getInnerType(), generics));
+                return new TargetSuperWildcard(convert(superWildcardType.getInnerType(), generics, compiler));
             }
 
             @Override
@@ -887,7 +879,7 @@ public class ASTToTargetAST {
 
             @Override
             public TargetType visit(ExtendsWildcardType extendsWildcardType) {
-                return new TargetExtendsWildcard(convert(extendsWildcardType.getInnerType(), generics));
+                return new TargetExtendsWildcard(convert(extendsWildcardType.getInnerType(), generics, compiler));
             }
 
             @Override

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

@@ -1,5 +1,7 @@
 package de.dhbwstuttgart.target.generate;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.statement.*;
@@ -18,7 +20,7 @@ import java.util.stream.Stream;
 
 public abstract class GenerateGenerics {
 
-    private final ASTToTargetAST astToTargetAST;
+    private final JavaTXCompiler compiler;
 
     public class TPH {
         private final TypePlaceholder wrap;
@@ -134,8 +136,8 @@ public abstract class GenerateGenerics {
     Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes = new HashMap<>();
     Map<TypePlaceholder, TypePlaceholder> equality = new HashMap<>();
 
-    GenerateGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) {
+    GenerateGenerics(JavaTXCompiler compiler, ResultSet constraints) {
-        this.astToTargetAST = astToTargetAST;
+        this.compiler = compiler;
         for (var constraint : constraints.results) {
             if (constraint instanceof PairTPHsmallerTPH p) {
                 System.out.println(p.left + " " + p.left.getVariance());
@@ -281,7 +283,7 @@ public abstract class GenerateGenerics {
             Set<TPH> typeVariablesOfClass,
             Set<Pair> result
     ) {
-        var userDefinedGenericsOfClass = astToTargetAST.userDefinedGenerics.get(owner);
+        var userDefinedGenericsOfClass = owner.getUserDefinedGenerics();
 
         // Type variables with bounds that are also type variables of the method
         for (var typeVariable : new HashSet<>(typeVariables)) {
@@ -329,7 +331,7 @@ public abstract class GenerateGenerics {
 
                     if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver) {
                         if (expressionReceiver.expr instanceof This) {
-                            var optMethod = astToTargetAST.findMethod(owner, methodCall.name, methodCall.signatureArguments().stream().map(astToTargetAST::convert).toList());
+                            var optMethod = ASTToTargetAST.findMethod(owner, methodCall.name, methodCall.signatureArguments().stream().map(x -> getTargetType(x)).toList(), GenerateGenerics.this, compiler);
                             if (optMethod.isEmpty()) return;
                             var method2 = optMethod.get();
                             System.out.println("In: " + method.getName() + " Method: " + method2.getName());
@@ -1005,8 +1007,8 @@ public abstract class GenerateGenerics {
             }
             var type = concreteTypes.get(new TPH(tph));
             if (type == null) return new TargetGenericType(tph.getName());
-            return astToTargetAST.convert(type, this);
+            return ASTToTargetAST.convert(type, this, compiler);
         }
-        return astToTargetAST.convert(in, this);
+        return ASTToTargetAST.convert(in, this, compiler);
     }
 }

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

@@ -69,8 +69,4 @@ public class GenericsResult {
             return this.generics.getType(tph);
         return type;
     }
-
-    public TargetType resolveTarget(RefTypeOrTPHOrWildcardOrGeneric type) {
-        return this.generics.getTargetType(type);
-    }
 }

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

@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.target.generate;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
@@ -7,8 +8,8 @@ import de.dhbwstuttgart.typeinference.result.ResultSet;
 import java.util.Set;
 
 final class JavaGenerics extends GenerateGenerics {
-    JavaGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) {
+    JavaGenerics(JavaTXCompiler compiler, ResultSet constraints) {
-        super(astToTargetAST, constraints);
+        super(compiler, constraints);
     }
 
     @Override

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

@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.target.generate;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
@@ -7,8 +8,8 @@ import de.dhbwstuttgart.typeinference.result.ResultSet;
 import java.util.Set;
 
 final class TxGenerics extends GenerateGenerics {
-    TxGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) {
+    TxGenerics(JavaTXCompiler compiler, ResultSet constraints) {
-        super(astToTargetAST, constraints);
+        super(compiler, constraints);
     }
 
     @Override

src/main/java/de/dhbwstuttgart/target/tree/TargetMethod.java

@@ -36,30 +36,30 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
     public static String getDescriptor(TargetType returnType, TargetType... parameters) {
         String ret = "(";
         for (var parameterType : parameters) {
-            ret += parameterType.toSignature();
+            ret += parameterType.toDescriptor();
         }
         ret += ")";
         if (returnType == null) ret += "V";
-        else ret += returnType.toSignature();
+        else ret += returnType.toDescriptor();
         return ret;
     }
 
     public static String getSignature(Set<TargetGeneric> generics, List<MethodParameter> parameters, TargetType returnType) {
         String ret = "";
-        if (generics.size() > 0) {
+        if (!generics.isEmpty()) {
             ret += "<";
             for (var generic : generics) {
-                ret += generic.name() + ":" + generic.bound().toDescriptor();
+                ret += generic.name() + ":" + generic.bound().toSignature();
             }
             ret += ">";
         }
         ret += "(";
         for (var param : parameters) {
-            ret += param.pattern().type().toDescriptor();
+            ret += param.pattern().type().toSignature();
         }
         ret += ")";
         if (returnType == null) ret += "V";
-        else ret += returnType.toDescriptor();
+        else ret += returnType.toSignature();
         return ret;
     }
 

src/main/java/de/dhbwstuttgart/target/tree/type/TargetExtendsWildcard.java

@@ -3,12 +3,12 @@ package de.dhbwstuttgart.target.tree.type;
 public record TargetExtendsWildcard(TargetType innerType) implements TargetType {
     @Override
     public String toSignature() {
-        return innerType.toSignature();
+        return "+" + innerType.toSignature();
     }
 
     @Override
     public String toDescriptor() {
-        return "+" + innerType.toDescriptor();
+        return innerType.toDescriptor();
     }
 
     @Override

src/main/java/de/dhbwstuttgart/target/tree/type/TargetFunNType.java

@@ -33,9 +33,4 @@ public record TargetFunNType(String name, List<TargetType> funNParams, List<Targ
     public String getInternalName() {
         return name;
     }
-
-    @Override
-    public String toSignature() {
-        return "L" + getInternalName() + ";";
-    }
 }

src/main/java/de/dhbwstuttgart/target/tree/type/TargetGenericType.java

@@ -2,12 +2,12 @@ package de.dhbwstuttgart.target.tree.type;
 
 public record TargetGenericType(String name) implements TargetType {
     @Override
-    public String toSignature() {
+    public String toDescriptor() {
         return "Ljava/lang/Object;"; // TODO Use bounds for this?
     }
 
     @Override
-    public String toDescriptor() {
+    public String toSignature() {
         return "T" + getInternalName() + ";";
     }
 

src/main/java/de/dhbwstuttgart/target/tree/type/TargetRefType.java

@@ -12,11 +12,6 @@ public record TargetRefType(String name, List<TargetType> params) implements Tar
         return this.name.replaceAll("\\.", "/");
     }
 
-    @Override
-    public String toSignature() {
-        return "L" + getInternalName() + ";";
-    }
-
     // Type erasure means we need to override hashCode and equals to only consider the name
     @Override
     public int hashCode() {

src/main/java/de/dhbwstuttgart/target/tree/type/TargetSpecializedType.java

@@ -6,16 +6,21 @@ public sealed interface TargetSpecializedType extends TargetType permits TargetF
     List<TargetType> params();
 
     @Override
-    default String toDescriptor() {
+    default String toSignature() {
         String ret = "L" + getInternalName();
-        if (params().size() > 0) {
+        if (!params().isEmpty()) {
             ret += "<";
             for (var param : params()) {
-                ret += param.toDescriptor();
+                ret += param.toSignature();
             }
             ret += ">";
         }
         ret += ";";
         return ret;
     }
+
+    @Override
+    default String toDescriptor() {
+        return "L" + getInternalName() + ";";
+    }
 }

src/main/java/de/dhbwstuttgart/target/tree/type/TargetSuperWildcard.java

@@ -3,12 +3,12 @@ package de.dhbwstuttgart.target.tree.type;
 public record TargetSuperWildcard(TargetType innerType) implements TargetType {
     @Override
     public String toSignature() {
-        return innerType.toSignature();
+        return "-" + innerType.toSignature();
     }
 
     @Override
     public String toDescriptor() {
-        return "-" + innerType.toDescriptor();
+        return innerType.toDescriptor();
     }
 
     @Override

src/test/java/languageServerInterfaceTest/LangaugeServerInterfaceTest.java

@@ -1,51 +0,0 @@
-package languageServerInterfaceTest;
-
-import de.dhbwstuttgart.core.ConsoleInterface;
-import de.dhbwstuttgart.core.JavaTXCompiler;
-import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
-import de.dhbwstuttgart.syntaxtree.visual.ASTPrinter;
-import org.junit.Ignore;
-import org.junit.Test;
-import de.dhbwstuttgart.languageServerInterface.LanguageServerInterface;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
-
-public class LangaugeServerInterfaceTest {
-    @Test
-    @Ignore
-    public void consoleInterfaceTest() throws IOException, ClassNotFoundException, URISyntaxException {
-
-
-        LanguageServerInterface languageServerInterface = new LanguageServerInterface();
-        var resp = languageServerInterface.getResultSetAndAbstractSyntax("/home/ruben/code/JavaCompilerCore/src/test/java/languageServerInterfaceTest/test.jav");
-
-        System.out.println("\n-----------------------------------------\n");
-        System.out.println(ASTPrinter.print(resp.getAst()));
-        System.out.println("\n-----------------------------------------\n");
-
-        LanguageServerInterface languageServerInterface2 = new LanguageServerInterface();
-        var ast = languageServerInterface2.getAst("/home/ruben/code/JavaCompilerCore/src/test/java/languageServerInterfaceTest/test.jav", "N");
-
-        System.out.println("\n-----------------------------------------\n");
-        System.out.println(ASTPrinter.print(ast));
-        System.out.println("\n-----------------------------------------\n");
-        System.out.println("");
-    }
-
-    @Test
-    @Ignore
-    public void testBytecodeGen() throws IOException, ClassNotFoundException, URISyntaxException {
-
-        //TODO: Ordner und Datei löschen wenn sie bereits existieren
-        LanguageServerInterface languageServerInterface = new LanguageServerInterface();
-        languageServerInterface.generateBytecode(new URI("c%3A/Users/ruben/Neuer%20Ordner%20%282%29/LSP-Vortrag/images/"));
-    }
-}

src/test/java/targetast/TestCodegen.java

@@ -66,7 +66,7 @@ public class TestCodegen {
 
             converter.generateFunNTypes();
 
-            for (var entry : converter.auxiliaries.entrySet()) {
+            for (var entry : compiler.auxiliaries.entrySet()) {
                 writeClassFile(entry.getKey(), entry.getValue());
             }
         }
@@ -112,7 +112,7 @@ public class TestCodegen {
 
         converter.generateFunNTypes();
 
-        for (var entry : converter.auxiliaries.entrySet()) {
+        for (var entry : compiler.auxiliaries.entrySet()) {
             writeClassFile(entry.getKey(), entry.getValue());
         }