Exception type not gets resolved with classpath

.gitea/workflows/build_and_test.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '23'
+          java-version: '22'
           cache: 'maven'
       - name: Compile project
         run: |

src/main/antlr4/de/dhbwstuttgart/parser/antlr/Java17Parser.g4

@@ -539,7 +539,7 @@ catchClause
     ;
 
 catchType
-    : qualifiedName ('|' qualifiedName)*
+    : typeType ('|' typeType)*
     ;
 
 finallyBlock

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

@@ -10,6 +10,7 @@ import de.dhbwstuttgart.target.tree.expression.*;
 import de.dhbwstuttgart.target.tree.type.*;
 import org.objectweb.asm.*;
 
+import java.lang.annotation.Target;
 import java.lang.invoke.*;
 import java.lang.reflect.Modifier;
 import java.util.*;
@@ -1158,11 +1159,48 @@ public class Codegen {
             mv.visitLabel(end);
             break;
         }
-        default:
-            throw new CodeGenException("Unexpected value: " + expr);
+            case TargetPattern targetPattern:
+                break;
+            case TargetTryCatchFinally targetTryCatchFinally:
+                generateTryCatchFinally(targetTryCatchFinally, state);
         }
     }
 
+    private void generateTryCatchFinally(TargetTryCatchFinally tryCatchFinally, State state){
+        MethodVisitor mv = state.mv;
+        Label startTry = new Label();
+        Label endTry = new Label();
+        Label endOrFinally = new Label();
+
+        //Try
+        mv.visitLabel(startTry);
+        generate(state, tryCatchFinally.tryBlock());
+        mv.visitLabel(endTry);
+        mv.visitJumpInsn(GOTO, endOrFinally);
+
+        for (var catchClause : tryCatchFinally.catchClauses()){
+            Label startCatch = new Label();
+            Label endCatch = new Label();
+            mv.visitTryCatchBlock(startTry, endOrFinally, startCatch, "java/lang/Exception"); //ignore all exception types except the first
+            mv.visitLabel(startCatch);
+            if (!catchClause.identifier().isEmpty()) {
+                mv.visitFrame(F_SAME1, 0, null, 1, new Object[]{"java/lang/Exception"});
+                LocalVar excep = state.createVariable(catchClause.identifier(), catchClause.exceptionNames().getFirst());
+                mv.visitVarInsn(ASTORE, excep.index());
+            }
+            generate(state, catchClause.catchBlock());
+            mv.visitLabel(endCatch);
+            mv.visitJumpInsn(GOTO, endOrFinally);
+        }
+
+        if (tryCatchFinally.finallyBlock().isPresent()){
+           mv.visitLabel(endOrFinally);
+           generate(state, tryCatchFinally.finallyBlock().get());
+        }
+        else mv.visitLabel(endOrFinally);
+
+    }
+
     private void generateForEach(TargetForEach forEach, State state) {
         state.enterScope();
         TargetVarDecl vd = (TargetVarDecl) forEach.vardecl();

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

@@ -5,7 +5,6 @@ import de.dhbwstuttgart.bytecode.Codegen;
 import de.dhbwstuttgart.environment.CompilationEnvironment;
 import de.dhbwstuttgart.environment.DirectoryClassLoader;
 import de.dhbwstuttgart.exceptions.DebugException;
-import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
 import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.scope.GenericsRegistry;
@@ -98,7 +97,7 @@ public class JavaTXCompiler {
 			path.add(new File(System.getProperty("user.dir")));
 		}
 		if (outputPath != null) path.add(outputPath);
-		classLoader = new DirectoryClassLoader(path, ClassLoader.getSystemClassLoader());
+		classLoader = new DirectoryClassLoader(path, ClassLoader.getPlatformClassLoader());
 		environment = new CompilationEnvironment(sources, classLoader);
 		classPath = path;
 		this.outputPath = outputPath;
@@ -458,85 +457,6 @@ public class JavaTXCompiler {
 		return results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList());
 	}
 
-	/**
-	 * TEMPORARY - Only for Language Server Usage
-	 */
-	public LanguageServerTransferObject getResultSetAndAbstractSyntax(File file) throws IOException, ClassNotFoundException {
-		var sf = sourceFiles.get(file);
-		if(sf == null){
-			sf = sourceFiles.values().stream().findFirst().get();
-		}
-		Set<ClassOrInterface> allClasses = new HashSet<>();
-		allClasses.addAll(getAvailableClasses(sf));
-		allClasses.addAll(sf.getClasses());
-		var newClasses = CompilationEnvironment.loadDefaultPackageClasses(sf.getPkgName(), file, this).stream().map(ASTFactory::createClass).collect(Collectors.toSet());
-		for (var clazz : newClasses) {
-			// Don't load classes that get recompiled
-			if (sf.getClasses().stream().anyMatch(nf -> nf.getClassName().equals(clazz.getClassName())))
-				continue;
-			if (allClasses.stream().noneMatch(old -> old.getClassName().equals(clazz.getClassName())))
-				allClasses.add(clazz);
-		}
-
-		final ConstraintSet<Pair> cons = getConstraints(file);
-		Set<Set<UnifyPair>> results = new HashSet<>();
-		try {
-			Writer logFile = new OutputStreamWriter(new NullOutputStream());
-			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses.stream().toList(), logFile, classLoader, this);
-			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(this, cons);
-			Function<UnifyPair, UnifyPair> distributeInnerVars = x -> {
-				UnifyType lhs, rhs;
-				if (((lhs = x.getLhsType()) instanceof PlaceholderType) && ((rhs = x.getRhsType()) instanceof PlaceholderType) && (((PlaceholderType) lhs).isInnerType() || ((PlaceholderType) rhs).isInnerType())) {
-					((PlaceholderType) lhs).setInnerType(true);
-					((PlaceholderType) rhs).setInnerType(true);
-				}
-				return x;
-
-			};
-
-
-			unifyCons = unifyCons.map(distributeInnerVars);
-			TypeUnify unify = new TypeUnify();
-			Set<PlaceholderType> varianceTPHold;
-			Set<PlaceholderType> varianceTPH = new HashSet<>();
-			varianceTPH = varianceInheritanceConstraintSet(unifyCons);
-
-			List<Set<Constraint<UnifyPair>>> oderConstraints = unifyCons.getOderConstraints();
-
-			if (resultmodel) {
-				/* UnifyResultModel Anfang */
-				UnifyResultModel urm = new UnifyResultModel(cons, finiteClosure);
-				UnifyResultListenerImpl li = new UnifyResultListenerImpl();
-				urm.addUnifyResultListener(li);
-				unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks);
-				generateBytecode(sf, li.getResults());
-				return new LanguageServerTransferObject(li.getResults(), sf, ASTTypePrinter.print(sf), generatedGenerics);
-			}
-			/* UnifyResultModel End */
-			else {
-				Set<Set<UnifyPair>> result = unify.unifyOderConstraints(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure), usedTasks);
-				results.addAll(result);
-
-				results = results.stream().map(x -> {
-					Optional<Set<UnifyPair>> res = new RuleSet().subst(x.stream().map(y -> {
-						if (y.getPairOp() == PairOperator.SMALLERDOTWC)
-							y.setPairOp(PairOperator.EQUALSDOT);
-						return y; // alle Paare a <.? b erden durch a =. b ersetzt
-					}).collect(Collectors.toCollection(HashSet::new)));
-					if (res.isPresent()) {// wenn subst ein Erg liefert wurde was veraendert
-						return new TypeUnifyTask().applyTypeUnificationRules(res.get(), finiteClosure);
-					} else
-						return x; // wenn nichts veraendert wurde wird x zurueckgegeben
-				}).collect(Collectors.toCollection(HashSet::new));
-			}
-		} catch (ClassNotFoundException e) {
-		}
-		generateBytecode(sf, results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList()));
-		return new LanguageServerTransferObject(results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList()), sf, ASTTypePrinter.print(sf), generatedGenerics);
-	}
-
-
-
 	/**
 	 * Vererbt alle Variancen bei Paaren (a <. theta) oder (Theta <. a) wenn a eine Variance !=0 hat auf alle Typvariablen in Theta.
 	 * 

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

@@ -16,7 +16,7 @@ public class DirectoryClassLoader extends URLClassLoader implements IByteArrayCl
 //    }
 
     public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
-        super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).collect(Collectors.toList()).toArray(new URL[0]), parent.getParent());
+        super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).toArray(URL[]::new), parent);
     }
 
     private static URL[] generateURLArray(URL url) {

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

@@ -1,277 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface;
-
-
-import de.dhbwstuttgart.bytecode.Codegen;
-import de.dhbwstuttgart.core.JavaTXCompiler;
-import de.dhbwstuttgart.environment.ByteArrayClassLoader;
-import de.dhbwstuttgart.environment.IByteArrayClassLoader;
-import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
-import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
-import de.dhbwstuttgart.target.generate.ASTToTargetAST;
-import de.dhbwstuttgart.target.generate.GenericsResult;
-import de.dhbwstuttgart.target.tree.TargetStructure;
-import org.apache.commons.io.FileUtils;
-
-import java.io.*;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.*;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-/**
- * Implementation of an Interface for the Language-Server to get the Resultset and abstract Syntax.
- */
-public class LanguageServerInterface {
-
-
-    public LanguageServerTransferObject getResultSetAndAbastractSyntax(String path, String resetNamesTo) throws IOException, URISyntaxException, ClassNotFoundException {
-        NameGenerator.resetTo(resetNamesTo);
-        return getResultSetAndAbstractSyntax(path);
-
-    }
-
-    public SourceFile getAst(String path, String resetNamesTo) throws IOException, URISyntaxException, ClassNotFoundException {
-        NameGenerator.resetTo(resetNamesTo);
-        return getAST(path);
-    }
-
-
-    /**
-     * returns the ResultSets, GenericResultSet and the AST
-     * You have to give the input as well as the path because of potential locks when the File is currently opened in an IDE.
-     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
-     *
-     * @param path the URI of the File. See Example.
-     * @throws IOException
-     * @throws ClassNotFoundException
-     * @throws URISyntaxException
-     */
-    public LanguageServerTransferObject getResultSetAndAbstractSyntax(String path) throws IOException, ClassNotFoundException, URISyntaxException {
-
-
-        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
-
-
-        URI uri = new URI(path);
-        ArrayList<String> pathWithoutName = new ArrayList<>(List.of(uri.getPath().split("/")));
-        pathWithoutName.remove(List.of(uri.getPath().split("/")).size() - 1);
-        String stringPathWithoutName = "";
-
-        for (String i : pathWithoutName) {
-            stringPathWithoutName += "/" + i;
-        }
-
-        try {
-            FileUtils.cleanDirectory(new File(stringPathWithoutName + "/out"));
-        } catch (Exception e) {
-
-        }
-        try {
-            (new File(stringPathWithoutName + "/out")).mkdirs();
-        } catch (Exception e) {
-
-        }
-        var test = getLanguageServerTransferObject(uri.getPath().split("/")[uri.getPath().split("/").length - 1], new ByteArrayClassLoader(), new File(stringPathWithoutName).getPath());
-        System.setOut(System.out);
-        return test;
-//        File oldTempSourcefile = new File(stringPathWithoutName + "/out/" + uri.getPath().split("/")[uri.getPath().split("/").length - 1].replace(".jav", ".tmp"));
-//        File oldTempOutFile = new File(stringPathWithoutName + "/out/" + uri.getPath().split("/")[uri.getPath().split("/").length - 1].replace(".jav", ".class"));
-//        Files.deleteIfExists(oldTempSourcefile.toPath());
-//        Files.deleteIfExists(oldTempOutFile.toPath());
-//        FileUtils.deleteDirectory(oldTempSourcefile);
-//
-//        File tempSourcefile = new File(stringPathWithoutName + "/out/" + uri.getPath().split("/")[uri.getPath().split("/").length - 1].replace(".jav", ".tmp"));
-//        File tempOutFile = new File(stringPathWithoutName + "/out/");
-//        FileUtils.writeStringToFile(tempSourcefile, input, "UTF-8");
-//
-//        //TODO: Enable for multiple Class-Files
-//        JavaTXCompiler tx = new JavaTXCompiler(new ArrayList<File>(List.of(tempSourcefile)), new ArrayList<File>(List.of((tempSourcefile))), tempOutFile);
-//        var result = tx.getResultSetAndAbstractSyntax(tempSourcefile);
-//        System.setOut(System.out);
-//        tempSourcefile.delete();
-//        tempOutFile.delete();
-//        return result;
-    }
-
-    /**
-     * returns the AST without calculating the result
-     * You have to give the input as well as the path because of potential locks when the File is currently opened in an IDE.
-     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
-     *
-     * @param path the URI of the File. See Example.
-     * @throws IOException
-     * @throws ClassNotFoundException
-     * @throws URISyntaxException
-     */
-    public SourceFile getAST(String path) throws IOException, ClassNotFoundException, URISyntaxException {
-
-
-        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
-
-
-        URI uri = new URI(path);
-        ArrayList<String> pathWithoutName = new ArrayList<>(List.of(uri.getPath().split("/")));
-        pathWithoutName.remove(List.of(uri.getPath().split("/")).size() - 1);
-        String stringPathWithoutName = "";
-
-        for (String i : pathWithoutName) {
-            stringPathWithoutName += "/" + i;
-        }
-
-        try {
-            FileUtils.cleanDirectory(new File(stringPathWithoutName + "/out"));
-        } catch (Exception e) {
-
-        }
-        try {
-            (new File(stringPathWithoutName + "/out")).mkdirs();
-        } catch (Exception e) {
-
-        }
-        var test = getAST(uri.getPath().split("/")[uri.getPath().split("/").length - 1], new File(stringPathWithoutName).getPath());
-        System.setOut(System.out);
-        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(), "", generics);
-        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/languageServerInterface/ParserInterface.java

@@ -1,40 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface;
-
-
-
-import de.dhbwstuttgart.languageServerInterface.model.CustomParserErrorHandler;
-import de.dhbwstuttgart.languageServerInterface.model.ParserError;
-import de.dhbwstuttgart.parser.antlr.Java17Lexer;
-import de.dhbwstuttgart.parser.antlr.Java17Parser;
-import de.dhbwstuttgart.parser.antlr.Java17ParserBaseListener;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.CharStreams;
-import org.antlr.v4.runtime.CommonTokenStream;
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.antlr.v4.runtime.tree.ParseTreeWalker;
-
-import java.util.List;
-
-public class ParserInterface {
-
-    public List<ParserError> getParseErrors(String input){
-
-        CustomParserErrorHandler errorListener = new CustomParserErrorHandler();
-        CharStream charStream = CharStreams.fromString(input);
-
-        Java17Lexer lexer = new Java17Lexer(charStream);
-        CommonTokenStream tokens = new CommonTokenStream(lexer);
-
-        Java17Parser parser = new Java17Parser(tokens);
-        parser.removeErrorListeners();
-        parser.addErrorListener(errorListener);
-
-
-        ParseTree tree = parser.sourceFile();
-        ParseTreeWalker walker = new ParseTreeWalker();
-        Java17ParserBaseListener listener = new Java17ParserBaseListener();
-        walker.walk(listener, tree);
-
-        return errorListener.getErrorMessages();
-    }
-}

src/main/java/de/dhbwstuttgart/languageServerInterface/model/CustomParserErrorHandler.java

@@ -1,47 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface.model;
-
-
-
-import org.antlr.v4.runtime.*;
-import org.antlr.v4.runtime.atn.ATNConfigSet;
-import org.antlr.v4.runtime.dfa.DFA;
-
-import java.util.ArrayList;
-import java.util.BitSet;
-import java.util.List;
-
-public class CustomParserErrorHandler implements ANTLRErrorListener {
-    private final List<ParserError> errorMessages = new ArrayList<>();
-
-    @Override
-    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
-        int endCharPosition = charPositionInLine;
-        if (offendingSymbol instanceof Token) {
-            Token offendingToken = (Token) offendingSymbol;
-            endCharPosition = charPositionInLine + offendingToken.getText().length();
-        }
-
-        ParserError parserError = new ParserError(line, charPositionInLine, endCharPosition, msg);
-        errorMessages.add(parserError);
-
-    }
-
-    @Override
-    public void reportAmbiguity(Parser parser, DFA dfa, int i, int i1, boolean b, BitSet bitSet, ATNConfigSet atnConfigSet) {
-
-    }
-
-    @Override
-    public void reportAttemptingFullContext(Parser parser, DFA dfa, int i, int i1, BitSet bitSet, ATNConfigSet atnConfigSet) {
-
-    }
-
-    @Override
-    public void reportContextSensitivity(Parser parser, DFA dfa, int i, int i1, int i2, ATNConfigSet atnConfigSet) {
-
-    }
-
-    public List<ParserError> getErrorMessages() {
-        return errorMessages;
-    }
-}

src/main/java/de/dhbwstuttgart/languageServerInterface/model/LanguageServerTransferObject.java

@@ -1,31 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface.model;
-
-
-
-import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.target.generate.GenericsResult;
-import de.dhbwstuttgart.typeinference.result.ResultSet;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class LanguageServerTransferObject {
-    List<ResultSet> resultSets;
-    SourceFile Ast;
-    String printedAst;
-    Map<SourceFile, List<GenericsResult>> generatedGenerics = new HashMap<>();
-
-
-    public LanguageServerTransferObject(List<ResultSet> resultSets, SourceFile Ast, String printedAst, Map<SourceFile, List<GenericsResult>> generatedGenerics) {
-        this.resultSets = resultSets;
-        this.Ast = Ast;
-        this.printedAst = printedAst;
-        this.generatedGenerics = generatedGenerics;
-    }
-
-    public List<ResultSet> getResultSets() {return resultSets;}
-    public SourceFile getAst() {return Ast;}
-    public String getPrintedAst() {return printedAst;}
-    public Map<SourceFile, List<GenericsResult>> getGeneratedGenerics() {return generatedGenerics;}
-}

src/main/java/de/dhbwstuttgart/languageServerInterface/model/ParserError.java

@@ -1,48 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface.model;
-
-public class ParserError {
-
-    private int line;
-    private int charPositionInLine;
-    private int endCharPosition;
-    String msg;
-
-    public ParserError(int line, int charPositionInLine, int endCharPosition, String msg) {
-        this.line = line;
-        this.charPositionInLine = charPositionInLine;
-        this. endCharPosition = endCharPosition;
-        this.msg = msg;
-    }
-
-    public int getEndCharPosition() {
-        return endCharPosition;
-    }
-
-    public void setEndCharPosition(int endCharPosition) {
-        this.endCharPosition = endCharPosition;
-    }
-
-    public void setCharPositionInLine(int charPositionInLine) {
-        this.charPositionInLine = charPositionInLine;
-    }
-
-    public void setLine(int line) {
-        this.line = line;
-    }
-
-    public void setMsg(String msg) {
-        this.msg = msg;
-    }
-
-    public int getCharPositionInLine() {
-        return charPositionInLine;
-    }
-
-    public int getLine() {
-        return line;
-    }
-
-    public String getMsg() {
-        return msg;
-    }
-}

src/main/java/de/dhbwstuttgart/languageServerInterface/model/ResultSetListener.java

@@ -1,20 +0,0 @@
-package de.dhbwstuttgart.languageServerInterface.model;
-
-
-import com.google.common.reflect.TypeResolver;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultEvent;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultListener;
-
-public class ResultSetListener implements UnifyResultListener {
-
-    TypeResolver typeResolver;
-
-    public ResultSetListener(TypeResolver typeResolver){
-        this.typeResolver = typeResolver;
-    }
-
-    @Override
-    public void onNewTypeResultFound(UnifyResultEvent evt) {
-
-    }
-}

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

@@ -1,12 +1,7 @@
 package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
 
 import java.lang.reflect.Modifier;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -16,6 +11,7 @@ import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.type.Void;
 import de.dhbwstuttgart.target.tree.expression.TargetUnaryOp;
 import de.dhbwstuttgart.target.generate.StatementToTargetExpression;
+import org.antlr.v4.runtime.RuleContext;
 import org.antlr.v4.runtime.Token;
 
 import de.dhbwstuttgart.exceptions.NotImplementedException;
@@ -638,8 +634,16 @@ public class StatementGenerator {
     }
 
     private Statement convert(Java17Parser.TrycatchblockContext stmt) {
-        // TODO
-        throw new NotImplementedException();
+        Block tryBlock = convert(stmt.block(), false);
+        List<CatchClause> catchClauses = stmt.catchClause().stream().
+                map(x ->
+                        new CatchClause(x.catchType().typeType().stream().map(y -> TypeGenerator.convert(y, reg, generics)).toList(),
+                        x.identifier().getText(),
+                        convert(x.block(), false)
+                        )).toList();
+
+        Optional<Block> finallyBlock = stmt.finallyBlock() != null ? Optional.of(convert(stmt.finallyBlock().block(), false)) : Optional.empty();
+        return new TryCatchFinally(tryBlock, catchClauses, finallyBlock, stmt.getStart());
     }
 
     private Statement convert(Java17Parser.TrycatchresourceContext stmt) {

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

@@ -39,6 +39,11 @@ public class SyntacticSugar {
         public void visit(LambdaExpression le) {
         	//PL 2024-04-09 Do nothing, as in a LambdaExpression a return could be
         }
+
+        @Override
+        public void visit(TryCatchFinally tryCatchFinally) {
+
+        }
     }
 
     private static boolean hasReturn(Block block) {

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

@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.syntaxtree;
 
+import de.dhbwstuttgart.syntaxtree.statement.TryCatchFinally;
 import de.dhbwstuttgart.syntaxtree.type.*;
 
 public interface ASTVisitor extends StatementVisitor{
@@ -40,4 +41,6 @@ public interface ASTVisitor extends StatementVisitor{
 
     void visit(GuardedPattern aGuardedPattern);
 
+    void visit(TryCatchFinally tryCatchFinally);
+
 }

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

@@ -0,0 +1,19 @@
+package de.dhbwstuttgart.syntaxtree;
+
+import de.dhbwstuttgart.syntaxtree.statement.Block;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+import java.util.List;
+
+public class CatchClause {
+    public List<RefTypeOrTPHOrWildcardOrGeneric> exceptionTypes;
+    public String identifier;
+    public Block catchBlock;
+
+    public CatchClause(List<RefTypeOrTPHOrWildcardOrGeneric> exceptionTypes, String identifier, Block catchBlock){
+        this.exceptionTypes = exceptionTypes;
+        this.identifier = identifier;
+        this.catchBlock = catchBlock;
+    }
+}
+

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

@@ -85,4 +85,6 @@ public interface StatementVisitor {
     void visit(Throw aThrow);
 
     void visit(Ternary ternary);
+
+    void visit(TryCatchFinally tryCatchFinally);
 }

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

@@ -13,10 +13,6 @@ public class NameGenerator {
     public static void reset() {
     	strNextName = "A";
     }
-
-    public static void resetTo(String name) {
-        strNextName = name;
-    }
     
     /**
      * Berechnet einen neuen, eindeutigen Namen f�r eine neue                          

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

@@ -0,0 +1,30 @@
+package de.dhbwstuttgart.syntaxtree.statement;
+
+import de.dhbwstuttgart.syntaxtree.CatchClause;
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import org.antlr.v4.runtime.Token;
+import de.dhbwstuttgart.syntaxtree.type.Void;
+
+import java.util.List;
+import java.util.Optional;
+
+public class TryCatchFinally extends Statement{
+
+    public Block tryBlock;
+    public List<CatchClause> catchClauses;
+    public Optional<Block> finallyBlock;
+
+    public TryCatchFinally(Block tryBlock, List<CatchClause> catchClauses, Optional<Block> finallyBlock, Token offset){
+        super(new Void(offset), offset);
+        this.tryBlock = tryBlock;
+        this.catchClauses = catchClauses;
+        this.finallyBlock = finallyBlock;
+    }
+
+    @Override
+    public void accept(StatementVisitor visitor) {
+        visitor.visit(this);
+    }
+}

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

@@ -530,4 +530,9 @@ public class OutputGenerator implements ASTVisitor {
         out.append(" with ");
         aGuardedPattern.getCondition().accept(this);
     }
+
+    @Override
+    public void visit(TryCatchFinally tryCatchFinally) {
+        out.append("");
+    }
 }

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

@@ -434,6 +434,11 @@ public abstract class GenerateGenerics {
                     whileStmt.loopBlock.accept(this);
                 }
 
+                @Override
+                public void visit(TryCatchFinally tryCatchFinally) {
+
+                }
+
                 @Override
                 public void visit(ArgumentList arglist) {
                     for (int i = 0; i < arglist.getArguments().size(); i++) {
@@ -536,6 +541,11 @@ public abstract class GenerateGenerics {
                     super.visit(methodCall);
                     typeVariables.addAll(findTypeVariables(methodCall.getType()));
                 }
+
+                @Override
+                public void visit(TryCatchFinally tryCatchFinally) {
+
+                }
             });
     }
 

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

@@ -76,6 +76,11 @@ public class StatementToTargetExpression implements ASTVisitor {
                 localVariables.add(varDecl.getName());
             }
 
+            @Override
+            public void visit(TryCatchFinally tryCatchFinally) {
+
+            }
+
             @Override
             public void visit(LambdaExpression lambda) {
             } // Don't look at lambda expressions
@@ -591,4 +596,14 @@ public class StatementToTargetExpression implements ASTVisitor {
     public void visit(GuardedPattern aGuardedPattern) {
         result = new TargetGuard((TargetPattern) converter.convert(aGuardedPattern.getNestedPattern()), converter.convert(aGuardedPattern.getCondition()));
     }
+
+    @Override
+    public void visit(TryCatchFinally tryCatchFinally) {
+
+        result = new TargetTryCatchFinally(
+                converter.convert(tryCatchFinally.tryBlock),
+                tryCatchFinally.catchClauses.stream().map(x -> new TargetCatchClause(x.exceptionTypes.stream().map(converter::convert).toList(), x.identifier, converter.convert(x.catchBlock))).toList(),
+                tryCatchFinally.finallyBlock.map(converter::convert)
+        );
+    }
 }

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

@@ -0,0 +1,8 @@
+package de.dhbwstuttgart.target.tree.expression;
+
+import de.dhbwstuttgart.target.tree.type.TargetType;
+
+import java.util.List;
+
+public record TargetCatchClause(List<TargetType> exceptionNames, String identifier, TargetBlock catchBlock) {
+}

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, TargetDo, 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, TargetTryCatchFinally, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
 
     default TargetType type() {
         return null;

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

@@ -0,0 +1,7 @@
+package de.dhbwstuttgart.target.tree.expression;
+
+import java.util.List;
+import java.util.Optional;
+
+public record TargetTryCatchFinally(TargetBlock tryBlock, List<TargetCatchClause> catchClauses, Optional<TargetBlock> finallyBlock) implements TargetExpression{
+}

src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java

@@ -2,6 +2,7 @@ package de.dhbwstuttgart.typedeployment;
 
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.statement.TryCatchFinally;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.target.generate.GenericsResult;
 import de.dhbwstuttgart.target.generate.GenericsResultSet;
@@ -32,6 +33,11 @@ public class TypeInsertPlacer extends AbstractASTWalker {
         TypeInsertPlacerClass cl = new TypeInsertPlacerClass(classOrInterface, withResults, genericsResult);
         this.inserts.addAll(cl.inserts);
     }
+
+    @Override
+    public void visit(TryCatchFinally tryCatchFinally) {
+
+    }
 }
 
 class TypeInsertPlacerClass extends AbstractASTWalker{
@@ -63,6 +69,11 @@ class TypeInsertPlacerClass extends AbstractASTWalker{
         super.visit(method);
     }
 
+    @Override
+    public void visit(TryCatchFinally tryCatchFinally) {
+
+    }
+
     @Override
     public void visit(Field field) {
         if(field.getType() instanceof TypePlaceholder){

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

@@ -500,6 +500,12 @@ public class TYPEStmt implements StatementVisitor {
         constraintsSet.addUndConstraint(new Pair(ternary.iffalse.getType(), ternary.getType(), PairOperator.SMALLERDOT));
     }
 
+    @Override
+    public void visit(TryCatchFinally tryCatchFinally) {
+        tryCatchFinally.tryBlock.accept(this);
+        tryCatchFinally.catchClauses.forEach(c -> c.catchBlock.accept(this));
+    }
+
     @Override
     public void visit(Return returnExpr) {
         returnExpr.retexpr.accept(this);

src/test/java/TestComplete.java

@@ -835,7 +835,6 @@ public class TestComplete {
         var instance = clazz.getDeclaredConstructor().newInstance();
     }
 
-    @Ignore("Not implemented")
     @Test
     public void testStringSwitch() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "SwitchString.jav");
@@ -857,7 +856,6 @@ public class TestComplete {
         var instance = clazz.getDeclaredConstructor().newInstance();
     }
 
-    @Ignore("Not implemented")
     @Test
     public void testOverloadPattern() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "OverloadPattern.jav");
@@ -883,7 +881,6 @@ public class TestComplete {
         assertEquals(m3.invoke(instance, 10), 10);
     }
 
-    @Ignore("Not implemented")
     @Test
     public void testOverloadNestedPattern() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "OverloadNestedPattern.jav");
@@ -905,7 +902,7 @@ public class TestComplete {
         assertEquals(m.invoke(instance, r1, r1), 3);
     }
 
-    @Ignore("Not implemented")
+    //@Ignore("Not implemented")
     @Test
     public void testPatternMatchingHaskellStyle() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "PatternMatchingHaskellStyle.jav");
@@ -928,7 +925,6 @@ public class TestComplete {
 
     }
 
-    @Ignore("Not implemented")
     @Test
     public void testPatternMatchingListAppend() throws Exception {
         var classFiles = generateClassFiles(new ByteArrayClassLoader(), "PatternMatchingListAppend.jav");

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/languageServerInterfaceTest/test.jav

@@ -1,5 +0,0 @@
-public class t{
-    public mofus(){
-        return 1;
-    }
-}