feat: update jar and Version

# Conflicts:
#	Clients/VisualStudioCode/JavaTXLanguageServer-1.0-SNAPSHOT-jar-with-dependencies.jar
#	Clients/VisualStudioCode/package.json

Clients/VisualStudioCode/README.md

@@ -1,3 +1,3 @@
-# lspclient README
+# Java-TX Language Server
 
-This is the README for the Java-TX LSP Client.
+This is the official Plugin for Java-TX.

Clients/VisualStudioCode/package.json

@@ -3,7 +3,7 @@
   "name": "java-tx-language-extension",
   "displayName": "Java-TX Language Extension",
   "description": "The Language Extension for Java-TX with Typehints and Syntax Checks",
-  "version": "0.0.2",
+  "version": "0.0.9",
   "engines": {
     "vscode": "^1.94.0"
   },
@@ -17,8 +17,8 @@
   "contributes": {
     "commands": [
       {
-        "command": "lspclient.helloWorld",
-        "title": "Hello World"
+        "command": "tx.restartLanguageServer",
+        "title": "TX: Restart Language Server"
       }
     ]
   },

Clients/VisualStudioCode/src/extension.ts

@@ -1,78 +1,85 @@
-// The module 'vscode' contains the VS Code extensibility API
-// Import the module and reference it with the alias vscode in your code below
-
 import * as vscode from 'vscode';
-import { workspace, ExtensionContext } from 'vscode';
 import {
-	LanguageClient,
-	LanguageClientOptions,
-	ServerOptions,
-	TransportKind
+  LanguageClient,
+  LanguageClientOptions,
+  ServerOptions
 } from 'vscode-languageclient/node';
 
+let client: LanguageClient | undefined;   // <— global, damit wir neu starten können
 
+function createClient(context: vscode.ExtensionContext): LanguageClient {
+  const workspaceFolder = context.extensionPath;
 
+  const serverOptions: ServerOptions = {
+    run: {
+      command: 'java',
+      args: ['-Xss10m', '-jar', workspaceFolder + "/JavaTXLanguageServer-1.0-SNAPSHOT-jar-with-dependencies.jar"],
+    },
+    debug: {
+      command: 'java',
+      args: [
+      '-Xss10m',
+      '-jar',
+      workspaceFolder + '/JavaTXLanguageServer-1.0-SNAPSHOT-jar-with-dependencies.jar',
+    ],
+    }
+  };
 
-// This method is called when your extension is activated
-// Your extension is activated the very first time the command is executed
-export function activate(context: vscode.ExtensionContext) {
+  const clientOptions: LanguageClientOptions = {
+    documentSelector: [{ scheme: 'file', pattern: '**/*.jav' }],
+    synchronize: {
+      fileEvents: vscode.workspace.createFileSystemWatcher('**/*.jav')
+    },
+    revealOutputChannelOn: 4
+  };
 
-
-	
-	const workspaceFolder = context.extensionPath;
-	const serverOptions: ServerOptions = {
-		run: {
-			command: 'java',
-			args: ['-jar', workspaceFolder + "/JavaTXLanguageServer-1.0-SNAPSHOT-jar-with-dependencies.jar"], // Absolute Pfadangabe
-		},
-		debug: {
-			command: 'java',
-			args: ['-jar', workspaceFolder + "/JavaTXLanguageServer-1.0-SNAPSHOT-jar-with-dependencies.jar"], // Absolute Pfadangabe für Debug
-		}
-	};
-
-	console.log("SERVER CREATED.")
-	console.log(workspaceFolder)
-	// Clientoptionen: definiere, welche Dateitypen der Client unterstützt
-	const clientOptions: LanguageClientOptions = {
-		documentSelector: [{ scheme: 'file', language: 'java' }],
-		synchronize: {
-			fileEvents: vscode.workspace.createFileSystemWatcher('**/*.jav')
-		},
-		revealOutputChannelOn: 4
-	};
-
-	
-	// Language Client erstellen und starten
-	const client = new LanguageClient(
-		'javaTxLanguageServer',      // ID des Clients
-		'Java-TX Language Server',    // Name des Clients
-		serverOptions,
-		clientOptions
-	);
-
-	// Client starten
-	client.start().then(() => {
-		console.log("Language Client erfolgreich gestartet");
-	}).catch(error => {
-		console.error("Fehler beim Starten des Language Clients:", error);
-	});
-
-	// Use the console to output diagnostic information (console.log) and errors (console.error)
-	// This line of code will only be executed once when your extension is activated
-	console.log('Congratulations, your extension "tx" is now active!');
-
-	// The command has been defined in the package.json file
-	// Now provide the implementation of the command with registerCommand
-	// The commandId parameter must match the command field in package.json
-	const disposable = vscode.commands.registerCommand('lspclient.helloWorld', () => {
-		// The code you place here will be executed every time your command is executed
-		// Display a message box to the user
-		vscode.window.showInformationMessage('Hello World from TX!');
-	});
-
-	context.subscriptions.push(disposable);
+  return new LanguageClient(
+    'javaTxLanguageServer',
+    'Java-TX Language Server',
+    serverOptions,
+    clientOptions
+  );
 }
 
-// This method is called when your extension is deactivated
-export function deactivate() { }
+export async function activate(context: vscode.ExtensionContext) {
+  client = createClient(context);
+
+  client.start()
+    .then(() => console.log("Language Client erfolgreich gestartet"))
+    .catch(err => console.error("Fehler beim Starten des Language Clients:", err));
+
+  console.log('Congratulations, your extension "tx" is now active!');
+
+  // Beispiel-Command aus deinem Code bleibt
+  const hello = vscode.commands.registerCommand('lspclient.helloWorld', () => {
+    vscode.window.showInformationMessage('Hello World from TX!');
+  });
+  context.subscriptions.push(hello);
+
+  // *** NEU: Restart-Command ***
+  const restart = vscode.commands.registerCommand('tx.restartLanguageServer', async () => {
+    if (!client) {
+      vscode.window.showWarningMessage('Language Client ist nicht initialisiert.');
+      return;
+    }
+    try {
+      await client.stop();   // stoppt den Serverprozess
+      client.dispose();      // räumt Ressourcen auf
+    } catch (e) {
+      console.error('Fehler beim Stoppen des Language Clients:', e);
+    }
+    client = createClient(context); // komplett neu erzeugen
+    try {
+      await client.start();
+      vscode.window.showInformationMessage('Java-TX Language Server neu gestartet.');
+    } catch (e) {
+      console.error('Fehler beim Neustarten des Language Clients:', e);
+      vscode.window.showErrorMessage('Neustart des Language Servers fehlgeschlagen – Details in der Konsole.');
+    }
+  });
+  context.subscriptions.push(restart);
+}
+
+export function deactivate(): Thenable<void> | undefined {
+  return client?.stop();
+}

LanguageServer/src/main/java/de/dhbw/JavaTXTextDocumentService.java

@@ -55,7 +55,7 @@ public class JavaTXTextDocumentService implements org.eclipse.lsp4j.services.Tex
         this.logService = new LogService(clientService);
         this.formattingHandler = new FormattingHandler(textDocumentService);
         this.parserService = new ParserService(conversionHelper, clientService, cacheService);
-        this.codeActionHandler = new CodeActionHandler(textHelper, textDocumentService, cacheService, typeResolver, logService);
+        this.codeActionHandler = new CodeActionHandler(textHelper, textDocumentService, cacheService, typeResolver, logService, conversionHelper);
         this.saveHandler = new SaveHandler(typeResolver, textDocumentService, logService, cacheService, conversionHelper, clientService, parserService);
         this.changeHandler = new ChangeHandler(textDocumentService, parserService, conversionHelper, clientService, typeResolver, cacheService, logService);
     }
@@ -107,6 +107,14 @@ public class JavaTXTextDocumentService implements org.eclipse.lsp4j.services.Tex
      */
     @Override
     public void didOpen(DidOpenTextDocumentParams params) {
+        cacheService.reset();
+        typeResolver.reset();
+        List<Diagnostic> syntaxErrors = parserService.getDiagnosticsOfErrors(params.getTextDocument().getText(), params.getTextDocument().getUri());
+        if (!syntaxErrors.isEmpty()) {
+            clientService.publishDiagnostics(params.getTextDocument().getUri(), syntaxErrors);
+        }
+        client.refreshDiagnostics();
+        client.refreshInlayHints();
         textDocuments.put(params.getTextDocument().getUri(), params.getTextDocument().getText());
         textDocumentService.saveFileWithUri(params.getTextDocument().getUri(), params.getTextDocument().getText());
     }
@@ -121,6 +129,10 @@ public class JavaTXTextDocumentService implements org.eclipse.lsp4j.services.Tex
     @Override
     public void didChange(DidChangeTextDocumentParams params) {
         logService.log("[didChange] Client triggered didChange Event.", MessageType.Info);
+        cacheService.reset();
+        String fileInput = textDocumentService.getFileOfUri(params.getTextDocument().getUri());
+        textDocuments.put(params.getTextDocument().getUri(), fileInput);
+        textDocumentService.saveFileWithUri(params.getTextDocument().getUri(), fileInput);
         changeHandler.didChange(params);
     }
 
@@ -289,7 +301,7 @@ public class JavaTXTextDocumentService implements org.eclipse.lsp4j.services.Tex
         logService.log("Code-Action Context was: " + params.getContext().getTriggerKind().name(), MessageType.Info);
 
         return CompletableFuture.supplyAsync(() -> {
-            return codeActionHandler.handleCodeAction(params);
+            return codeActionHandler.handleNewCodeAction(params);
         });
     }
 

LanguageServer/src/main/java/de/dhbw/handler/ChangeHandler.java

@@ -3,17 +3,20 @@ package de.dhbw.handler;
 import com.google.common.base.Stopwatch;
 import de.dhbw.helper.ConversionHelper;
 import de.dhbw.helper.TypeResolver;
-import de.dhbw.model.DiagnosticsAndTypehints;
-import de.dhbw.model.DocumentChanges;
-import de.dhbw.model.LSPVariable;
-import de.dhbw.model.LineCharPosition;
+import de.dhbw.model.*;
 import de.dhbw.service.*;
+import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.result.PairTPHequalRefTypeOrWildcardType;
 import org.eclipse.lsp4j.*;
 
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
+import java.net.URI;
+import java.nio.file.Path;
 import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Collectors;
 
@@ -37,111 +40,175 @@ public class ChangeHandler {
         this.logService = logService;
     }
 
+
+    public static String findAddedWord(String str1, String str2) {
+        int i = 0, j = 0;
+
+        // Suche den ersten Unterschied
+        while (i < str1.length() && j < str2.length() && str1.charAt(i) == str2.charAt(j)) {
+            i++;
+            j++;
+        }
+
+        // Falls alles gleich ist, gibt es nichts Neues
+        if (i == str1.length() && j == str2.length()) {
+            return null;
+        }
+
+        // Suche ab Ende rückwärts, um den gemeinsamen Suffix zu finden
+        int iEnd = str1.length() - 1;
+        int jEnd = str2.length() - 1;
+        while (iEnd >= i && jEnd >= j && str1.charAt(iEnd) == str2.charAt(jEnd)) {
+            iEnd--;
+            jEnd--;
+        }
+
+        // Der Unterschied liegt nun zwischen j und jEnd in str2
+        return str2.substring(j, jEnd + 1);
+    }
+
+
     public void didChange(DidChangeTextDocumentParams params) {
         String currentText = textDocumentService.getFileOfUri(params.getTextDocument().getUri());
 
-
         AtomicReference<String> summedUp = new AtomicReference<>("");
         params.getContentChanges().forEach(el -> summedUp.set(summedUp.get() + el.getText()));
         textDocumentService.saveFileWithUri(params.getTextDocument().getUri(), summedUp.get());
 
-        DocumentChanges documentChanges = textDocumentService.calculateDifference(currentText, summedUp.get());
-        HashMap<LineCharPosition, String> preciseChanges = documentChanges.getPreciseChanges();
-        HashMap<Integer, List<String>> textChanges;
 
+        List<Diagnostic> syntaxErrors = parserService.getDiagnosticsOfErrors(summedUp.get(), params.getTextDocument().getUri());
 
-        //Have to check of old saved Input because the result set and Inlay Hints will be updated according to the old AST which contains the old Positions
-        if(cacheService.getLastSavedFiles().containsKey(params.getTextDocument().getUri())){
-            DocumentChanges changesFromOldSave = textDocumentService.calculateDifference(cacheService.getLastSavedFiles().get(params.getTextDocument().getUri()), summedUp.get());;
-            textChanges = changesFromOldSave.getTextChanges();
-            preciseChanges = changesFromOldSave.getPreciseChanges();
-            logService.log(textChanges.values().stream().map(el -> String.join(", ", el)).collect(Collectors.joining("\n")));
-        } else {
-            textChanges = documentChanges.getTextChanges();
+        if (!syntaxErrors.isEmpty()) {
+            clientService.publishDiagnostics(params.getTextDocument().getUri(), syntaxErrors);
         }
+        logService.log("Found [" + syntaxErrors.size() + "] Syntax Errors in Document.");
 
+        if (syntaxErrors.isEmpty()) {
 
-        String input = summedUp.get();
+            String type = findAddedWord(currentText, summedUp.get());
+            String input = summedUp.get();
 
+            logService.log("Variables are: " + cacheService.getVariables().size());
 
-        typeResolver.reduceCurrent(preciseChanges, cacheService.getVariables());
-        try{
-            File tempDir = new File(System.getProperty("java.io.tmpdir"));
-            File tempFile = File.createTempFile("newText", ".tmp", tempDir);
-            FileWriter fileWriter = new FileWriter(tempFile, true);
-            System.out.println(tempFile.getAbsolutePath());
-            BufferedWriter bw = new BufferedWriter(fileWriter);
-            bw.write(summedUp.get());
-            bw.close();
-            typeResolver.updateAst(tempFile.toURI().getPath());
-            tempFile.delete();
-        }catch (Exception e){
-            logService.log(e.getMessage());
-        }
+            boolean shouldCalculate = false;
 
-
-
-        var sWatch = Stopwatch.createUnstarted();
-        sWatch.start();
-
-        try {
-
-            String currentInput = textDocumentService.getFileOfUri(params.getTextDocument().getUri());
-
-            if (currentInput == null) {
-                logService.log("[didChange] Input of Text Document is null in TextDocument-Hashmap.", MessageType.Error);
+            logService.log("Type is here: " + type);
+            for (LSPVariable variable : cacheService.getVariables()) {
+                for (Type variableType : variable.getPossibleTypes()) {
+                    logService.log(variableType.getType() + " <> " + type.replaceAll(" ", "") + ": " + type.replaceAll(" ", "").contains(variableType.getType().replaceAll(" ", "")));
+                    shouldCalculate = shouldCalculate || type.replaceAll(" ", "").contains(variableType.getType().replaceAll(" ", ""));
+                    if (shouldCalculate) {
+                        break;
+                    }
+                }
             }
 
-            ArrayList<LSPVariable> typesOfMethodAndParameters = typeResolver.infereInput(currentInput, params.getTextDocument().getUri());
+            logService.log("Should Calculate is: " + shouldCalculate);
 
+            if (false) {
+                try {
+                    File tempDir = new File(System.getProperty("java.io.tmpdir"));
+                    File tempFile = File.createTempFile("newText", ".tmp", tempDir);
+                    FileWriter fileWriter = new FileWriter(tempFile, true);
+                    System.out.println(tempFile.getAbsolutePath());
+                    BufferedWriter bw = new BufferedWriter(fileWriter);
+                    bw.write(summedUp.get());
+                    bw.close();
+                    typeResolver.updateAst(tempFile.toURI().getPath());
+                    tempFile.delete();
+                } catch (Exception e) {
+                    logService.log(e.getMessage());
+                }
 
-            DiagnosticsAndTypehints diagnosticsAndTypehints = conversionHelper.variablesToDiagnosticsAndTypehints(typesOfMethodAndParameters, params.getTextDocument().getUri());
+                var sWatch = Stopwatch.createUnstarted();
+                sWatch.start();
 
-            List<InlayHint> typeHint = diagnosticsAndTypehints.getInlayHints();
-            List<Diagnostic> diagnostics = diagnosticsAndTypehints.getDiagnostics();
+                try {
+                    ArrayList<LSPVariable> typesOfMethodAndParameters = typeResolver.infereChangeInput();
+                    DiagnosticsAndTypehints diagnosticsAndTypehints = conversionHelper.variablesToDiagnosticsAndTypehints(typesOfMethodAndParameters, params.getTextDocument().getUri());
 
+                    List<InlayHint> typeHint = diagnosticsAndTypehints.getInlayHints();
+                    List<Diagnostic> diagnostics = diagnosticsAndTypehints.getDiagnostics();
 
-            cacheService.updateGlobalMaps(diagnostics, typeHint, params.getTextDocument().getUri());
+                    cacheService.updateGlobalMaps(diagnostics, typeHint, params.getTextDocument().getUri());
 
+                } catch (Exception e) {
+                    logService.log("[didChange] Error trying to get Inlay-Hints and Diagnostics for Client: " + e.getMessage(), MessageType.Error);
+                    for (var stackTrace : e.getStackTrace()) {
+                        logService.log(stackTrace.toString());
+                    }
 
-        } catch (Exception e) {
-            logService.log("[didChange] Error trying to get Inlay-Hints and Diagnostics for Client: " + e.getMessage(), MessageType.Error);
+                    clientService.showMessage(MessageType.Error, e.getMessage());
+                    cacheService.updateGlobalMaps(new ArrayList<>(), new ArrayList<>(), params.getTextDocument().getUri());
+
+                } finally {
+                    sWatch.stop();
+                    logService.log("[didChange] Finished Calculating in [" + sWatch.elapsed().toSeconds() + "s]", MessageType.Info);
+                }
+
+                List<Diagnostic> typeDiagnostics = cacheService.getGlobalDiagnosticsMap().get(params.getTextDocument().getUri());
+                ArrayList<Diagnostic> allDiagnostics = new ArrayList<>(typeDiagnostics);
+                clientService.publishDiagnostics(params.getTextDocument().getUri(), allDiagnostics);
+            } else {
+                logService.log("Calculating again.");
+                var sWatch = Stopwatch.createUnstarted();
+                sWatch.start();
+
+                try {
+                    try {
+                        File tempDir2 = Path.of(new URI(params.getTextDocument().getUri())).getParent().toFile();
+                        File tempFile2 = File.createTempFile("jtx_temp", ".tmp", tempDir2);
+                        FileWriter fileWriter = new FileWriter(tempFile2, true);
+                        BufferedWriter bw = new BufferedWriter(fileWriter);
+                        bw.write(input);
+                        bw.close();
+
+                        try {
+                            ArrayList<LSPVariable> variables = typeResolver.infereInput(tempFile2.toURI().toString(), input, true);
+                            cacheService.setVariables(variables);
+
+                            DiagnosticsAndTypehints diagnosticsAndTypehints = conversionHelper.variablesToDiagnosticsAndTypehintsWithInput(variables, input);
+
+                            List<InlayHint> typeHint = diagnosticsAndTypehints.getInlayHints();
+                            List<Diagnostic> diagnostics = diagnosticsAndTypehints.getDiagnostics();
+
+                            cacheService.updateGlobalMaps(diagnostics, typeHint, params.getTextDocument().getUri());
+
+                            List<Diagnostic> allDiagnostics = new ArrayList<>(diagnostics);
+                            allDiagnostics.addAll(parserService.getDiagnosticsOfErrors(input, params.getTextDocument().getUri()));
+
+                            clientService.publishDiagnostics(params.getTextDocument().getUri(), allDiagnostics);
+                        } catch (Exception f) {
+                            logService.log("[didSave] Error trying to get Inlay-Hints and Diagnostics for Client: " + f.getMessage(), MessageType.Error);
+
+                            for (StackTraceElement elem : f.getStackTrace()) {
+                                logService.log(elem.toString());
+                            }
+                            clientService.showMessage(MessageType.Error, f.getMessage() == null ? "null" : f.getMessage());
+                            cacheService.updateGlobalMaps(new ArrayList<>(), new ArrayList<>(), params.getTextDocument().getUri());
+                        }
+                        tempFile2.delete();
+                    } catch (Exception e) {
+                        logService.log("[didSave] Error trying to get Inlay-Hints and Diagnostics for Client: " + e.getMessage(), MessageType.Error);
+
+                        for (StackTraceElement elem : e.getStackTrace()) {
+                            logService.log(elem.toString());
+                        }
+                        clientService.showMessage(MessageType.Error, e.getMessage() == null ? "null" : e.getMessage());
+                        cacheService.updateGlobalMaps(new ArrayList<>(), new ArrayList<>(), params.getTextDocument().getUri());
+
+                    } finally {
+                        sWatch.stop();
+                        logService.log("[didSave] Finished Calculating in [" + sWatch.elapsed().toSeconds() + "s]", MessageType.Info);
+                    }
+
+                } catch (Exception e) {
+                    logService.log(e.getMessage());
+                }
 
-            for(var stackTrace : e.getStackTrace()){
-                logService.log(stackTrace.toString());
             }
-
-            clientService.showMessage(MessageType.Error, e.getMessage());
-            cacheService.updateGlobalMaps(new ArrayList<>(), new ArrayList<>(), params.getTextDocument().getUri());
-
-        } finally {
-            sWatch.stop();
-            logService.log("[didChange] Finished Calculating in [" + sWatch.elapsed().toSeconds() + "s]", MessageType.Info);
         }
-
-
-        //updatePositions(params, offsetPerLine);
-
-
-        cacheService.getGlobalInlayHintMap().put(params.getTextDocument().getUri(), cacheService.getGlobalInlayHintMap().get(params.getTextDocument().getUri()).stream().filter(el -> {
-            //TODO: Hier das Label aufspalten an | weil die Typehints immer mit und getrennt sind und so jeder Typhint für sich durchlaufen werden kann.
-            logService.log(el.getLabel().getLeft().replaceAll(" ", "") + "<>" + String.join(",", textChanges.get(el.getPosition().getLine())) + ": " + (!textChanges.get(el.getPosition().getLine()).contains(el.getLabel().getLeft().replaceAll(" ", "")) ? "true" : "false"), MessageType.Info);
-            return !textChanges.get(el.getPosition().getLine()).contains(el.getLabel().getLeft().replaceAll(" ", ""));
-        }).toList());
-
-        cacheService.getGlobalDiagnosticsMap().put(params.getTextDocument().getUri(), cacheService.getGlobalDiagnosticsMap().get(params.getTextDocument().getUri()).stream().filter(el -> {
-            logService.log(el.getMessage().replaceAll(" ", "") + "<>" + String.join(",", textChanges.get(el.getRange().getStart().getLine())) + ": " + (!textChanges.get(el.getRange().getStart().getLine()).contains(el.getMessage().replaceAll(" ", "")) ? "true" : "false"), MessageType.Info);
-            return !textChanges.get(el.getRange().getStart().getLine()).contains(el.getMessage().replaceAll(" ", ""));
-        }).toList());
-
-        List<Diagnostic> typeDiagnostics = cacheService.getGlobalDiagnosticsMap().get(params.getTextDocument().getUri());
-        List<Diagnostic> parserErrors = parserService.getDiagnosticsOfErrors(input, params.getTextDocument().getUri());
-
-        ArrayList<Diagnostic> allDiagnostics = new ArrayList<>(typeDiagnostics);
-        allDiagnostics.addAll(parserErrors);
-
-        clientService.publishDiagnostics(params.getTextDocument().getUri(), allDiagnostics);
-
-
     }
+
+
 }

LanguageServer/src/main/java/de/dhbw/handler/CodeActionHandler.java

@@ -1,10 +1,12 @@
 package de.dhbw.handler;
 
+import de.dhbw.helper.ConversionHelper;
 import de.dhbw.helper.TextHelper;
 import de.dhbw.helper.TypeResolver;
 import de.dhbw.service.CacheService;
 import de.dhbw.service.LogService;
 import de.dhbw.service.TextDocumentService;
+import de.dhbw.model.PlaceholderVariable;
 import org.eclipse.lsp4j.*;
 import org.eclipse.lsp4j.jsonrpc.messages.Either;
 
@@ -12,6 +14,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 public class CodeActionHandler {
 
@@ -20,13 +23,125 @@ public class CodeActionHandler {
     private final CacheService cacheService;
     private final TypeResolver typeResolver;
     private final LogService logService;
+    private final ConversionHelper conversionHelper;
 
-    public CodeActionHandler(TextHelper textHelper, TextDocumentService textDocumentService, CacheService cacheService, TypeResolver typeResolver, LogService logService) {
+    public CodeActionHandler(TextHelper textHelper, TextDocumentService textDocumentService, CacheService cacheService, TypeResolver typeResolver, LogService logService, ConversionHelper conversionHelper) {
         this.textHelper = textHelper;
         this.textDocumentService = textDocumentService;
         this.cacheService = cacheService;
         this.typeResolver = typeResolver;
         this.logService = logService;
+        this.conversionHelper = conversionHelper;
+    }
+
+    public static Range wholeDocumentRange(String text) {
+        if (text == null || text.isEmpty()) {
+            return new Range(new Position(0, 0), new Position(0, 0));
+        }
+
+        int lastLine = 0;
+        int lastBreak = -1; // Index des letzten Zeilenumbruchszeichens, das zum Zeilenende gehört
+
+        final int n = text.length();
+        for (int i = 0; i < n; i++) {
+            char c = text.charAt(i);
+            if (c == '\n') {
+                lastLine++;
+                lastBreak = i;
+            } else if (c == '\r') {
+                // Unterscheide \r\n von alleine stehendem \r
+                if (i + 1 < n && text.charAt(i + 1) == '\n') {
+                    lastLine++;
+                    lastBreak = i + 1;
+                    i++; // \n überspringen
+                } else {
+                    lastLine++;
+                    lastBreak = i;
+                }
+            }
+        }
+
+        int lastLineStart = lastBreak + 1;
+        int endChar = n - lastLineStart; // Länge der letzten Zeile in UTF-16 Code Units
+
+        return new Range(new Position(0, 0), new Position(lastLine, endChar));
+    }
+
+
+    public static <V> Map<String, V> getOverlapping(
+            Map<String, V> map,
+            int line,
+            int startChar,
+            int endChar
+    ) {
+        if (startChar > endChar) {
+            int t = startChar;
+            startChar = endChar;
+            endChar = t;
+        }
+
+        final int s = startChar, e = endChar;
+
+        return map.entrySet().stream()
+                .filter(entry -> {
+                    String key = entry.getKey();
+                    String[] parts = key.split("\\s+");
+                    if (parts.length != 2) return false;
+                    try {
+                        int kLine = Integer.parseInt(parts[0]);
+                        int kChar = Integer.parseInt(parts[1]);
+                        return kLine == line && kChar >= s && kChar <= e;
+                    } catch (NumberFormatException ex) {
+                        // Key nicht im erwarteten Format
+                        return false;
+                    }
+                })
+                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+    }
+
+
+    public List<Either<Command, CodeAction>> handleNewCodeAction(CodeActionParams params) {
+
+        String documentUri = params.getTextDocument().getUri();
+        Range rangeOfInsert = params.getRange();
+
+        //All Diagnostics that are in range of the hover -> All Diagnostics of the selected Variable and thus all Types of the Variable
+        Map<String, List<PlaceholderVariable>> typeInsertsOverlapping = getOverlapping(typeResolver.getInserts(), rangeOfInsert.getStart().getLine() + 1, rangeOfInsert.getStart().getCharacter(), rangeOfInsert.getEnd().getCharacter());
+        logService.log("Inserts are:");
+        typeResolver.getInserts().forEach((key, value) -> logService.log(key));
+        logService.log("Size is: " + typeInsertsOverlapping.size());
+        logService.log("Range is: " + rangeOfInsert.getStart().getLine() + " -> " + rangeOfInsert.getStart().getCharacter() + " - " + rangeOfInsert.getEnd().getCharacter());
+        List<Either<Command, CodeAction>> actions = new ArrayList<>();
+
+        for (var typeInsertList : typeInsertsOverlapping.values()) {
+            for (var typeInsert : typeInsertList) {
+                try {
+                    logService.log("NEW TEXT OF FILE BEFORE INSERT IS:");
+                    logService.log(textDocumentService.getFileOfUri(documentUri));
+                    String typeWithReplacedVariable = typeInsert.insert(textDocumentService.getFileOfUri(documentUri));
+
+                    ArrayList<TextEdit> listOfChanges = new ArrayList<>();
+
+                    listOfChanges.add(new TextEdit(wholeDocumentRange(textDocumentService.getFileOfUri(documentUri)), typeWithReplacedVariable));
+
+                    var isTypeImported = false;
+
+                    Map<String, List<TextEdit>> changes = new HashMap<>();
+                    changes.put(documentUri, listOfChanges);
+
+                    WorkspaceEdit edit = new WorkspaceEdit();
+                    edit.setChanges(changes);
+
+                    CodeAction action = new CodeAction("Insert " + conversionHelper.cleanType(typeInsert.getInsertString()));
+                    action.setKind(CodeActionKind.QuickFix);
+                    action.setEdit(edit);
+                    actions.add(Either.forRight(action));
+                } catch (Exception e) {
+                    logService.log("Error creating Actions, returning empty List. The Error was: " + e.getMessage(), MessageType.Error);
+                }
+            }
+        }
+        return actions;
     }
 
     public List<Either<Command, CodeAction>> handleCodeAction(CodeActionParams params) {

LanguageServer/src/main/java/de/dhbw/handler/SaveHandler.java

@@ -6,8 +6,13 @@ import de.dhbw.service.*;
 import de.dhbw.helper.ConversionHelper;
 import de.dhbw.helper.TypeResolver;
 import de.dhbw.model.LSPVariable;
+import de.dhbwstuttgart.languageServerInterface.LanguageServerInterface;
+import de.dhbwstuttgart.languageServerInterface.model.ParserError;
 import org.eclipse.lsp4j.*;
 
+import java.net.URI;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -33,38 +38,54 @@ public class SaveHandler {
 
     public void handleSave(DidSaveTextDocumentParams didSaveTextDocumentParams) {
 
+        cacheService.reset();
+        typeResolver.reset();
         var sWatch = Stopwatch.createUnstarted();
         sWatch.start();
 
+
         try {
 
             String fileInput = textDocumentService.getFileOfUri(didSaveTextDocumentParams.getTextDocument().getUri());
-            cacheService.getLastSavedFiles().put(didSaveTextDocumentParams.getTextDocument().getUri(), fileInput);
-            typeResolver.getCompilerInput(didSaveTextDocumentParams.getTextDocument().getUri(), fileInput);
 
-            if (fileInput == null) {
-                logService.log("[didSave] Input of Text Document is null in TextDocument-Hashmap.", MessageType.Error);
+            List<Diagnostic> syntaxErrors = parserService.getDiagnosticsOfErrors(fileInput, didSaveTextDocumentParams.getTextDocument().getUri());
+            if (!syntaxErrors.isEmpty()) {
+                clientService.publishDiagnostics(didSaveTextDocumentParams.getTextDocument().getUri(), syntaxErrors);
             }
+            logService.log("Found [" + syntaxErrors.size() + "] Syntax Errors in Document.");
 
-            ArrayList<LSPVariable> variables = typeResolver.infereInput(fileInput, didSaveTextDocumentParams.getTextDocument().getUri());
-            cacheService.setVariables(variables);
+            if (syntaxErrors.isEmpty()) {
 
-            DiagnosticsAndTypehints diagnosticsAndTypehints = conversionHelper.variablesToDiagnosticsAndTypehints(variables, didSaveTextDocumentParams.getTextDocument().getUri());
+                cacheService.getLastSavedFiles().put(didSaveTextDocumentParams.getTextDocument().getUri(), fileInput);
+                //typeResolver.getCompilerInput(didSaveTextDocumentParams.getTextDocument().getUri(), fileInput);
 
-            List<InlayHint> typeHint = diagnosticsAndTypehints.getInlayHints();
-            List<Diagnostic> diagnostics = diagnosticsAndTypehints.getDiagnostics();
+                if (fileInput == null) {
+                    logService.log("[didSave] Input of Text Document is null in TextDocument-Hashmap.", MessageType.Error);
+                }
 
-            cacheService.updateGlobalMaps(diagnostics, typeHint, didSaveTextDocumentParams.getTextDocument().getUri());
+                ArrayList<LSPVariable> variables = typeResolver.infereInput(didSaveTextDocumentParams.getTextDocument().getUri(), fileInput, false);
+                cacheService.setVariables(variables);
 
-            List<Diagnostic> allDiagnostics = new ArrayList<>(diagnostics);
-            allDiagnostics.addAll(parserService.getDiagnosticsOfErrors(fileInput, didSaveTextDocumentParams.getTextDocument().getUri()));
+                DiagnosticsAndTypehints diagnosticsAndTypehints = conversionHelper.variablesToDiagnosticsAndTypehints(variables, didSaveTextDocumentParams.getTextDocument().getUri());
 
-            clientService.publishDiagnostics(didSaveTextDocumentParams.getTextDocument().getUri(), allDiagnostics);
+                List<InlayHint> typeHint = diagnosticsAndTypehints.getInlayHints();
+                List<Diagnostic> diagnostics = diagnosticsAndTypehints.getDiagnostics();
 
+                cacheService.updateGlobalMaps(diagnostics, typeHint, didSaveTextDocumentParams.getTextDocument().getUri());
+
+                List<Diagnostic> allDiagnostics = new ArrayList<>(diagnostics);
+
+                clientService.publishDiagnostics(didSaveTextDocumentParams.getTextDocument().getUri(), allDiagnostics);
+
+            }
 
         } catch (Exception e) {
             logService.log("[didSave] Error trying to get Inlay-Hints and Diagnostics for Client: " + e.getMessage(), MessageType.Error);
-            clientService.showMessage(MessageType.Error, e.getMessage());
+
+            for (StackTraceElement elem : e.getStackTrace()) {
+                logService.log(elem.toString());
+            }
+            clientService.showMessage(MessageType.Error, e.getMessage() == null ? "null" : e.getMessage());
             cacheService.updateGlobalMaps(new ArrayList<>(), new ArrayList<>(), didSaveTextDocumentParams.getTextDocument().getUri());
 
         } finally {

LanguageServer/src/main/java/de/dhbw/helper/ASTTransformationHelper.java

@@ -1,162 +1,98 @@
 package de.dhbw.helper;
 
-import de.dhbw.model.*;
-import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
+import de.dhbw.model.PlaceholderPoint;
+import de.dhbw.model.PlaceholderType;
+import de.dhbw.model.PlaceholderVariable;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.Pattern;
-import de.dhbwstuttgart.syntaxtree.statement.Assign;
-import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
-import de.dhbwstuttgart.syntaxtree.statement.Statement;
-import org.apache.log4j.Logger;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.target.generate.GenerateGenerics;
+import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.target.generate.GenericsResultSet;
 
+import de.dhbwstuttgart.typeinference.result.*;
+import org.antlr.v4.runtime.Token;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.stream.Collectors;
+import java.util.HashSet;
+import java.util.Set;
 
 public class ASTTransformationHelper {
 
-    private static final Logger log = Logger.getLogger(ASTTransformationHelper.class);
-    private final DuplicationUtils duplicationUtils;
-    private final TypeUtils typeUtils;
-    private final GenericUtils genericUtils;
-
-    public ASTTransformationHelper(DuplicationUtils duplicationUtils, TypeUtils typeUtils, GenericUtils genericUtils) {
-        this.duplicationUtils = duplicationUtils;
-        this.typeUtils = typeUtils;
-        this.genericUtils = genericUtils;
+    public static Set<PlaceholderVariable> createTypeInsertPoints(SourceFile forSourcefile, ResultSet withResults, GenericsResult generics) {
+    	return new PlaceholderPlacer().getTypeInserts(forSourcefile, withResults, generics);
     }
 
-    public List<LSPParameter> constructorToVariable(LanguageServerTransferObject transferObject) {
+    public static PlaceholderVariable createInsertPoints(RefTypeOrTPHOrWildcardOrGeneric type, Token offset, ClassOrInterface cl, Method m,
+														 ResultSet resultSet, GenericsResultSet constraints, GenericsResultSet classConstraints) {
 
-        List<LSPParameter> methodsWithParametersLSPVariableList = new ArrayList<>();
+			ResolvedType resolvedType = resultSet.resolveType(type);
+			PlaceholderPoint insertPoint = new PlaceholderPoint(offset,
+					new PlaceholderToInsertString(resolvedType.resolvedType, constraints, classConstraints).insert, PlaceholderType.NORMAL_INSERT);
+			return new PlaceholderVariable(insertPoint, createGenericInsert(constraints, classConstraints, cl, m, resultSet, offset), resolvedType.getResultPair());
+    }
 
-        for (var constructor : transferObject.getAst().KlassenVektor.getFirst().getConstructors()) {
-            for (var constructorParam : constructor.getParameterList().getFormalparalist()) {
-                var types = typeUtils.getAvailableTypes(transferObject.getResultSets(), constructorParam.getType());
-                methodsWithParametersLSPVariableList.add(new LSPParameter("", types, constructorParam.getOffset().getLine(), constructorParam.getOffset().getCharPositionInLine(), constructorParam.getOffset().getStopIndex(), constructorParam.getType()));
+    private static synchronized Set<PlaceholderPoint> createGenericInsert(GenericsResultSet methodConstraints, GenericsResultSet classConstraints, ClassOrInterface cl, Method m, ResultSet resultSet, Token mOffset){
+        Set<PlaceholderPoint> result = createGenericClassInserts(classConstraints, cl);
+    	
+    	if (m != null) {
+        	result.addAll(createMethodConstraints(methodConstraints, m.getOffset() != null ? m.getOffset() : mOffset));
+    	}
+        
+        return result;
+    }
+    
+    private static Set<PlaceholderPoint> createMethodConstraints(GenericsResultSet constraints, Token mOffset) {
+    	Set<PlaceholderPoint> result = new HashSet<>();
+    	Token offset = mOffset;
+
+		if (constraints.size() == 0) {
+			return result;
+		} 
+		
+		String insert = " <";
+
+        for (var genericInsertConstraint : constraints) {
+        	if (genericInsertConstraint instanceof GenerateGenerics.PairEQ peq) {
+        		insert += peq.left.resolve().getName();
+        	} else if (genericInsertConstraint instanceof GenerateGenerics.PairLT psm) {
+        		insert += psm.left.resolve().getName() + " extends " + psm.right.resolve().getName();
+        	}
+        	insert += ", ";
+        }
+        
+        insert = insert.substring(0, insert.length() -2);
+        insert += ">";
+
+        result.add(new PlaceholderPoint(offset, insert, PlaceholderType.GENERERIC_METHOD_INSERT));
+    	return result;
+    }
+
+	private static Set<PlaceholderPoint> createGenericClassInserts(GenericsResultSet classConstraints, ClassOrInterface cl) {
+		Set<PlaceholderPoint> result = new HashSet<>();
+		Token offset = cl.getGenerics().getOffset();
+
+		if (classConstraints == null || classConstraints.size() == 0) {
+			return result;
+		} 
+		
+		String insert = " <";
+
+        for (var genericInsertConstraint : classConstraints) {
+            if (genericInsertConstraint instanceof GenerateGenerics.PairEQ peq) {
+                insert += peq.left.resolve().getName();
+            } else if (genericInsertConstraint instanceof GenerateGenerics.PairLT psm) {
+                insert += psm.left.resolve().getName() + " extends " + psm.right.resolve().getName();
             }
+            insert += ", ";
         }
 
-        return methodsWithParametersLSPVariableList;
-    }
+        insert = insert.substring(0, insert.length() -2);
+        insert += ">";
 
-    public List<LSPParameter> fieldDeclToVariable(LanguageServerTransferObject transferObject) {
-
-        List<LSPParameter> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-        for (var fieldDecl : transferObject.getAst().KlassenVektor.getFirst().getFieldDecl()) {
-            var types = typeUtils.getAvailableTypes(transferObject.getResultSets(), fieldDecl.getReturnType());
-            methodsWithParametersLSPVariableList.add(new LSPParameter("", types, fieldDecl.getOffset().getLine(), fieldDecl.getOffset().getCharPositionInLine(), fieldDecl.getOffset().getStopIndex(), fieldDecl.getReturnType()));
-        }
-
-        if (transferObject.getAst().KlassenVektor.getFirst().getfieldInitializations().isPresent()) {
-            methodsWithParametersLSPVariableList.addAll(lambdaExpressionToVariable(transferObject.getAst().KlassenVektor.getFirst().getfieldInitializations().get().block.statements, transferObject));
-        }
-
-        return methodsWithParametersLSPVariableList;
-    }
-
-    public List<LSPClass> addGenericClassPosition(LanguageServerTransferObject transferObject, String input) {
-
-        List<LSPClass> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-//        for (var method : transferObject.getAst().getAllMethods()) {
-//            for (var clazz : transferObject.getAst().getClasses()) {
-//                ArrayList<Type> genericTypes = genericUtils.getClassGenerics(transferObject.getGeneratedGenerics(), method, clazz);
-//                TextHelper helper = new TextHelper();
-//                if (!genericTypes.isEmpty()) {
-//                    methodsWithParametersLSPVariableList.add(new LSPClass("test", genericTypes, clazz.getOffset().getLine(), helper.getClassPositionForGeneric(clazz.getOffset().getLine() - 1, input, clazz.getOffset().getStopIndex()), clazz.getOffset().getStopIndex(), clazz.getReturnType()));
-//                }
-//            }
-//
-//        }
-
-        return methodsWithParametersLSPVariableList;
-    }
-
-
-    public List<LSPVariable> methodsWithParameterToVariable(LanguageServerTransferObject transferObj, boolean ENABLE_GENERICS) {
-        List<LSPVariable> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-        for (var method : transferObj.getAst().getAllMethods()) {
-            methodsWithParametersLSPVariableList.addAll(methodToVariable(transferObj, method, ENABLE_GENERICS));
-
-            for (var param : method.getParameterList()) {
-                methodsWithParametersLSPVariableList.addAll(parameterToVariable(transferObj, param, method, ENABLE_GENERICS));
-            }
-            methodsWithParametersLSPVariableList.addAll(lambdaExpressionToVariable(method.block.statements, transferObj));
-        }
-        return methodsWithParametersLSPVariableList;
-    }
-
-
-    private List<LSPParameter> lambdaExpressionToVariable(List<Statement> statements, LanguageServerTransferObject transferObj) {
-        List<LSPParameter> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-        for (var statement : statements) {
-
-            if (statement instanceof Assign assign) {
-
-                if (assign.rightSide instanceof LambdaExpression lambdaExpression)
-
-                    for (var param : lambdaExpression.params.getFormalparalist()) {
-                        var types = typeUtils.getAvailableTypes(transferObj.getResultSets(), param.getType());
-                        methodsWithParametersLSPVariableList.add(new LSPParameter("", types, param.getOffset().getLine(), param.getOffset().getCharPositionInLine(), param.getOffset().getStopIndex(), param.getType()));
-
-                    }
-
-            }
-        }
-
-        return methodsWithParametersLSPVariableList;
-    }
-
-    private List<LSPMethod> methodToVariable(LanguageServerTransferObject transferObj, Method method, boolean ENABLE_GENERICS) {
-        List<LSPMethod> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-        var types = typeUtils.getAvailableTypes(transferObj.getResultSets(), method);
-        if (!duplicationUtils.filterOutDuplicates(types).isEmpty()) {
-            methodsWithParametersLSPVariableList.add(new LSPMethod(method.name, duplicationUtils.filterOutDuplicates(types), method.getOffset().getLine(), method.getOffset().getCharPositionInLine(), method.getOffset().getStopIndex(), method.getReturnType()));
-        }
-
-        if (ENABLE_GENERICS) {
-            var generics = genericUtils.getAvailableGenericTypes(transferObj.getGeneratedGenerics().values().stream().flatMap(List::stream).collect(Collectors.toList()), method);
-            if (!generics.isEmpty()) {
-                ArrayList<Type> typesThatAreGeneric = duplicationUtils.filterOutDuplicates(generics, types);
-                typesThatAreGeneric.forEach(el -> el.setType("<" + el.getType() + "> " + el.getType()));
-                //TODO: Muss Global und wird mehrmals so gemacht. Das if hier ist eigentlich falsch wegen unnötiger Berechnungszeit
-                if (!duplicationUtils.filterOutDuplicates(typesThatAreGeneric).isEmpty()) {
-                    methodsWithParametersLSPVariableList.add(new LSPMethod(method.name, duplicationUtils.filterOutDuplicates(typesThatAreGeneric), method.getOffset().getLine(), method.getOffset().getCharPositionInLine(), method.getOffset().getStopIndex(), method.getReturnType()));
-                }
-            }
-        }
-
-        return methodsWithParametersLSPVariableList;
-    }
-
-    private List<LSPParameter> parameterToVariable(LanguageServerTransferObject transferObj, Pattern param, Method method, boolean ENABLE_GENERICS) {
-        List<LSPParameter> parameters = new ArrayList<>();
-
-        ArrayList<Type> typeParam = typeUtils.getAvailableTypes(transferObj.getResultSets(), param.getType());
-
-        if (!typeParam.isEmpty()) {
-            parameters.add(new LSPParameter(method.name, duplicationUtils.filterOutDuplicates(typeParam), param.getOffset().getLine(), param.getOffset().getCharPositionInLine(), param.getOffset().getStopIndex(), param.getType()));
-        }
-
-        if (ENABLE_GENERICS) {
-            ArrayList<Type> genericParam = genericUtils.getAvailableGenericTypes(transferObj.getGeneratedGenerics().values().stream().flatMap(List::stream).collect(Collectors.toList()), param.getType());
-            if (!genericParam.isEmpty()) {
-                ArrayList<Type> typesThatAreGeneric = duplicationUtils.filterOutDuplicates(genericParam, typeParam);
-
-                if (!duplicationUtils.filterOutDuplicates(typesThatAreGeneric).isEmpty()) {
-                    parameters.add(new LSPParameter(method.name, duplicationUtils.filterOutDuplicates(typesThatAreGeneric), method.getOffset().getLine(), param.getOffset().getCharPositionInLine(), param.getOffset().getStopIndex(), param.getType()));
-                    parameters.add(new LSPParameter(method.name, new ArrayList<>(duplicationUtils.filterOutDuplicates(typesThatAreGeneric).stream().map(el -> new Type("<" + el.getType() + ">", true)).toList()), method.getOffset().getLine(), method.getOffset().getCharPositionInLine(), method.getOffset().getStopIndex(), method.getReturnType()));
-                }
-            }
-        }
-
-        return parameters;
-    }
+        result.add(new PlaceholderPoint(offset, insert, PlaceholderType.GENERIC_CLASS_INSERT));
         
+        return result;
+	}
 }
+

LanguageServer/src/main/java/de/dhbw/helper/ConversionHelper.java

@@ -20,12 +20,16 @@ public class ConversionHelper {
         this.textDocumentService = textDocumentService;
     }
 
+    public String cleanType(String type){
+        return type.replaceAll("java.lang.", "").replaceAll("java.util.", "");
+    }
+
     public InlayHint getInlayHint(LSPVariable variable) {
         InlayHint inlayHint = new InlayHint();
 
         String typeDisplay = "";
         for (Type type : variable.getPossibleTypes()) {
-            typeDisplay += " | " + type.getType().replaceAll("GTV ", "");
+                typeDisplay += " | " + cleanType(type.getType().replaceAll("GTV ", ""));
         }
 
 
@@ -45,7 +49,7 @@ public class ConversionHelper {
         Diagnostic diagnostic = new Diagnostic(
                 errorRange,
                 //TODO: REMOVE! Temporary Fix because GTV, like TPH can be thrown away in the TypeResolver
-                type.getType().replaceAll("GTV ", ""),
+                cleanType(type.getType().replaceAll("GTV ", "")),
                 DiagnosticSeverity.Hint,
                 "JavaTX Language Server"
         );
@@ -54,7 +58,24 @@ public class ConversionHelper {
         return diagnostic;
     }
 
-    public List<Diagnostic> parseErrorToDiagnostic(List<ParserError> parserErrors){
+    public Diagnostic getDiagnosticWithInput(LSPVariable variable, String input, Type type) {
+        Range errorRange = new Range(
+                new Position(variable.getLine() - 1, variable.getCharPosition()),               // Startposition
+                new Position(variable.getLine() - 1, textHelper.getEndingCharOfStartingChar(variable.getLine() - 1, variable.getCharPosition(), input))    // Endposition
+        );
+        Diagnostic diagnostic = new Diagnostic(
+                errorRange,
+                //TODO: REMOVE! Temporary Fix because GTV, like TPH can be thrown away in the TypeResolver
+                cleanType(type.getType().replaceAll("GTV ", "")),
+                DiagnosticSeverity.Hint,
+                "JavaTX Language Server"
+        );
+        diagnostic.setCode(type.isGeneric() ? "GENERIC" : "TYPE");
+
+        return diagnostic;
+    }
+
+    public List<Diagnostic> parseErrorToDiagnostic(List<ParserError> parserErrors) {
         return parserErrors.stream().map(el -> {
             Range errorRange = new Range(
                     new Position(el.getLine() - 1, el.getCharPositionInLine()),        // Startposition
@@ -69,7 +90,7 @@ public class ConversionHelper {
         }).toList();
     }
 
-    public DiagnosticsAndTypehints variablesToDiagnosticsAndTypehints(ArrayList<LSPVariable> typesOfMethodAndParameters, String uri){
+    public DiagnosticsAndTypehints variablesToDiagnosticsAndTypehints(ArrayList<LSPVariable> typesOfMethodAndParameters, String uri) {
         List<InlayHint> typeHint = new ArrayList<>();
         ArrayList<Diagnostic> diagnostics = new ArrayList<>();
 
@@ -86,4 +107,22 @@ public class ConversionHelper {
 
         return new DiagnosticsAndTypehints(diagnostics, typeHint);
     }
+
+    public DiagnosticsAndTypehints variablesToDiagnosticsAndTypehintsWithInput(ArrayList<LSPVariable> typesOfMethodAndParameters, String input) {
+        List<InlayHint> typeHint = new ArrayList<>();
+        ArrayList<Diagnostic> diagnostics = new ArrayList<>();
+
+        for (var variable : typesOfMethodAndParameters) {
+
+            InlayHint inlayHint = getInlayHint(variable);
+            typeHint.add(inlayHint);
+
+            for (var type : variable.getPossibleTypes()) {
+                Diagnostic diagnostic = getDiagnosticWithInput(variable, input, type);
+                diagnostics.add(diagnostic);
+            }
+        }
+
+        return new DiagnosticsAndTypehints(diagnostics, typeHint);
+    }
 }

LanguageServer/src/main/java/de/dhbw/helper/GenericUtils.java

@@ -1,69 +0,0 @@
-package de.dhbw.helper;
-
-import de.dhbw.model.Type;
-import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.target.generate.GenericsResult;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
-public class GenericUtils {
-    public ArrayList<Type> getClassGenerics(Map<SourceFile, List<GenericsResult>> genericsResult, Method method, ClassOrInterface clazz) {
-        ArrayList<Type> genericTypes = new ArrayList<>();
-
-        genericsResult.forEach(((key, value) -> value.forEach(genericResultSet -> {
-
-            var result = genericResultSet.resolveTarget(method.getReturnType());
-
-
-            var genericResult = genericResultSet.getBounds(method.getReturnType(), clazz, method);
-            if (result != null && genericResult != null) {
-                genericResult.forEach(res -> {
-                            if (res != null && !res.isOnMethod()) {
-                                genericTypes.add(new Type("<" + result.name() + (res.bound().toString().equals("java.lang.Object") ? ">" : " extends " + res.bound().toString() + ">"), true));
-
-                            }
-                        }
-                );
-            }
-
-        })));
-
-        return genericTypes;
-    }
-
-    public ArrayList<Type> getAvailableGenericTypes(List<GenericsResult> genericsResult, RefTypeOrTPHOrWildcardOrGeneric parameter) {
-
-
-        ArrayList<String> paramTypes = new ArrayList<>();
-        genericsResult.forEach(conSet -> {
-            if (parameter.toString().toLowerCase().contains("tph ")) {
-                paramTypes.add(conSet.resolveTarget(parameter).name());
-            }
-        });
-
-        return new ArrayList<>(paramTypes.stream().filter(el -> !el.contains("TPH ")).map(el -> new Type(el, true)).toList());
-
-    }
-
-    public ArrayList<Type> getAvailableGenericTypes(List<GenericsResult> genericsResult, Method method) {
-
-        ArrayList<String> genericTypes = new ArrayList<>();
-
-        genericsResult.forEach(conSet -> {
-            if (method.getReturnType().toString().toLowerCase().contains("tph ")) {
-                if (conSet.resolveTarget(method.getReturnType()) != null && conSet.resolveTarget(method.getReturnType()).name() != null && conSet.resolveTarget(method.getReturnType()).name().contains("GTV")) {
-                    genericTypes.add(conSet.resolveTarget(method.getReturnType()).name().replaceAll("GTV ", ""));
-                }
-            }
-        });
-
-
-        return new ArrayList<>(genericTypes.stream().filter(el -> !el.contains("TPH ")).map(el -> new Type(el, true)).toList());
-
-    }
-}

LanguageServer/src/main/java/de/dhbw/helper/PlaceholderPlacer.java

@@ -0,0 +1,32 @@
+package de.dhbw.helper;
+
+import de.dhbw.model.PlaceholderVariable;
+import de.dhbwstuttgart.syntaxtree.*;
+import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class PlaceholderPlacer extends AbstractASTWalker {
+    Set<PlaceholderVariable> inserts = new HashSet<>();
+    private ResultSet withResults;
+    String pkgName;
+    private GenericsResult genericsResult;
+
+    public Set<PlaceholderVariable> getTypeInserts(SourceFile forSourceFile, ResultSet withResults, GenericsResult genericsResult){
+        this.withResults = withResults;
+        this.genericsResult = genericsResult;
+        pkgName = forSourceFile.getPkgName();
+        forSourceFile.accept(this);
+        inserts.forEach(el -> el.reducePackage());
+        return inserts;
+    }
+
+    @Override
+    public void visit(ClassOrInterface classOrInterface) {
+        de.dhbw.helper.PlaceholderPlacerClass cl = new de.dhbw.helper.PlaceholderPlacerClass(classOrInterface, withResults, genericsResult);
+        this.inserts.addAll(cl.inserts);
+    }
+}
+

LanguageServer/src/main/java/de/dhbw/helper/PlaceholderPlacerClass.java

@@ -0,0 +1,65 @@
+package de.dhbw.helper;
+
+import de.dhbw.model.PlaceholderVariable;
+import de.dhbwstuttgart.syntaxtree.*;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.target.generate.GenericsResultSet;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+class PlaceholderPlacerClass extends AbstractASTWalker{
+    protected final ResultSet results;
+    private GenericsResult generatedGenerics;
+    protected final ClassOrInterface cl;
+    public final Set<PlaceholderVariable> inserts = new HashSet<>();
+    private Method method;
+
+    GenericsResultSet constraints;
+	GenericsResultSet classConstraints;
+
+    PlaceholderPlacerClass(ClassOrInterface forClass, ResultSet withResults, GenericsResult generatedGenerics){
+        this.cl = forClass;
+        this.method = null;
+        this.results = withResults;
+        this.generatedGenerics = generatedGenerics;
+        forClass.accept(this);
+    }
+
+    @Override
+    public void visit(Method method) {
+        this.method = method;
+        constraints = generatedGenerics.get(method);
+		classConstraints = generatedGenerics.get(cl);
+        if(method.getReturnType() instanceof TypePlaceholder)
+            inserts.add(ASTTransformationHelper.createInsertPoints(
+                    method.getReturnType(), method.getReturnType().getOffset(), cl, method, results, constraints, classConstraints));
+        super.visit(method);
+    }
+
+    @Override
+    public void visit(Field field) {
+        if(field.getType() instanceof TypePlaceholder){
+        	classConstraints = generatedGenerics.get(cl);
+                inserts.add(ASTTransformationHelper.createInsertPoints(
+                        field.getType(), field.getType().getOffset(), cl, method, results, null, classConstraints));
+        }
+        super.visit(field);
+    }
+
+    @Override
+    public void visit(FormalParameter param) {
+            if(param.getType() instanceof TypePlaceholder)
+                inserts.add(ASTTransformationHelper.createInsertPoints(
+                        param.getType(), param.getType().getOffset(), cl, method, results, constraints, classConstraints));
+        super.visit(param);
+    }
+
+    @Override
+    public void visit(LambdaExpression lambdaExpression) {
+        //Lambda-Ausdrücke brauchen keine Typeinsetzungen
+    }
+}

LanguageServer/src/main/java/de/dhbw/helper/PlaceholderToInsertString.java

@@ -0,0 +1,77 @@
+package de.dhbw.helper;
+
+import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.target.generate.GenericsResultSet;
+import de.dhbwstuttgart.typeinference.result.*;
+
+import java.util.Iterator;
+
+public class PlaceholderToInsertString implements ResultSetVisitor{
+    public String insert = "";
+    private GenericsResultSet constraints;
+    private GenericsResultSet classConstraints;
+    
+
+    public PlaceholderToInsertString(RefTypeOrTPHOrWildcardOrGeneric type, GenericsResultSet constraints, GenericsResultSet classConstraints){
+        this.constraints = constraints;
+        this.classConstraints = classConstraints;
+    	type.accept(this);
+    }
+
+    @Override
+    public void visit(PairTPHsmallerTPH p) {
+
+    }
+
+    @Override
+    public void visit(PairTPHequalRefTypeOrWildcardType p) {
+
+    }
+
+    @Override
+    public void visit(PairTPHEqualTPH p) {
+
+    }
+
+    @Override
+    public void visit(RefType resolved) {
+        insert = resolved.getName().toString();
+        if(resolved.getParaList().size() > 0){
+            insert += "<";
+            Iterator<RefTypeOrTPHOrWildcardOrGeneric> iterator = resolved.getParaList().iterator();
+            while(iterator.hasNext()){
+                RefTypeOrTPHOrWildcardOrGeneric typeParam = iterator.next();
+                insert += new PlaceholderToInsertString(typeParam, constraints, classConstraints).insert;
+                if(iterator.hasNext())insert += ", ";
+            }
+            insert += ">";
+        }
+    }
+
+    @Override
+    public void visit(GenericRefType genericRefType) {
+        insert += genericRefType.getParsedName();
+    }
+
+    @Override
+    public void visit(SuperWildcardType superWildcardType) {
+        insert += "? super " + new PlaceholderToInsertString(superWildcardType.getInnerType(), constraints, classConstraints).insert;
+    }
+
+    @Override
+    public void visit(TypePlaceholder typePlaceholder) {
+        ResultPair<?, ?> resultPair = null;
+        if (constraints != null)
+            resultPair = constraints.getResultPairFor(typePlaceholder).orElse(null);
+        if (resultPair == null)
+            resultPair = classConstraints.getResultPairFor(typePlaceholder).orElse(null);
+
+        if (resultPair != null)
+            insert += ((TypePlaceholder)resultPair.getLeft()).getName();
+    }
+
+    @Override
+    public void visit(ExtendsWildcardType extendsWildcardType) {
+        insert += "? extends " + new PlaceholderToInsertString(extendsWildcardType.getInnerType(), constraints, classConstraints).insert;
+    }
+}

LanguageServer/src/main/java/de/dhbw/helper/TextHelper.java

@@ -57,7 +57,7 @@ public class TextHelper {
 
         if(lines.length < line){
             log.warn("Returning hardcoded Value because the requested Line [" + line + "] does not exist in Text Document.");
-            return startChar+3;
+            return startChar;
         }
 
         String[] linesInChar = lines[line].split("");

LanguageServer/src/main/java/de/dhbw/helper/TypeResolver.java

@@ -2,14 +2,28 @@ package de.dhbw.helper;
 
 
 import de.dhbw.model.*;
+import de.dhbw.model.PlaceholderVariable;
+import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.languageServerInterface.LanguageServerInterface;
 import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
+import de.dhbwstuttgart.syntaxtree.visual.ASTPrinter;
+import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.typedeployment.TypeInsert;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
 import org.apache.log4j.LogManager;
 import org.apache.log4j.Logger;
 
+import java.io.File;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.*;
 
 
@@ -19,22 +33,32 @@ import java.util.*;
 public class TypeResolver {
     private static final Logger logger = LogManager.getLogger(TypeResolver.class);
 
-    private final ASTTransformationHelper astTransformationHelper;
     private final TypeUtils typeUtils;
-    private final GenericUtils genericUtils;
     private final DuplicationUtils duplicationUtils;
     private final boolean ENABLE_GENERICS = true;
+    private List<GenericsResult> generatedGenerics = null;
+    private HashMap<String, List<PlaceholderVariable>> inserts;
+
+
+    public HashMap<String, List<PlaceholderVariable>> getInserts() {
+        return inserts;
+    }
 
     //Somehow you have to reset to the Letter N to keep the naming of the TPHs consistent
-    private final String RESET_TO_LETTER = "N";
+    private final String RESET_TO_LETTER = "A";
 
     private LanguageServerTransferObject current;
 
+    public void reset() {
+        HashMap<String, List<TypeInsert>> inserts = null;
+        List<GenericsResult> generatedGenerics = null;
+        current = null;
+    }
+
+
     public TypeResolver() {
         this.typeUtils = new TypeUtils();
-        this.genericUtils = new GenericUtils();
         this.duplicationUtils = new DuplicationUtils();
-        this.astTransformationHelper = new ASTTransformationHelper(duplicationUtils, typeUtils, genericUtils);
     }
 
 
@@ -71,65 +95,116 @@ public class TypeResolver {
         return current;
     }
 
-    /**
-     * Zum Erhalt für sowohl Parameter als auch Methoden.
-     */
-    public ArrayList<LSPVariable> infereInput(String input, String path) throws IOException, ClassNotFoundException, URISyntaxException {
-        logger.info("Infering Types for Input.");
+    public ArrayList<LSPVariable> infereChangeInput() throws IOException, ClassNotFoundException, URISyntaxException {
 
-        current = updateIfNotPresent(path, input);
-        LanguageServerTransferObject transferObj = current;
+        Set<PlaceholderVariable> tips = new HashSet<>();
 
+        for (int i = 0; i < current.getResultSets().size(); i++) {
+            ResultSet tiResult = current.getResultSets().get(i);
+            tips.addAll(ASTTransformationHelper.createTypeInsertPoints(current.getAst(), tiResult, generatedGenerics.get(i)));
 
-        ArrayList<LSPVariable> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-
-        methodsWithParametersLSPVariableList.addAll(astTransformationHelper.constructorToVariable(transferObj));
-        methodsWithParametersLSPVariableList.addAll(astTransformationHelper.fieldDeclToVariable(transferObj));
-
-
-        if (!transferObj.getResultSets().isEmpty()) {
-            //TODO: Hier noch irgendwie die Klasse rausfinden oder durchgehen.
-
-            if (ENABLE_GENERICS) {
-                methodsWithParametersLSPVariableList.addAll(astTransformationHelper.addGenericClassPosition(transferObj, input));
-            }
-
-            methodsWithParametersLSPVariableList.addAll(astTransformationHelper.methodsWithParameterToVariable(transferObj, ENABLE_GENERICS));
         }
 
-        return methodsWithParametersLSPVariableList;
-    }
+        HashMap<String, List<PlaceholderVariable>> insertsOnLines = new HashMap<>();
 
-    public ArrayList<LSPVariable> infereInput(String input, String path, SourceFile sourceFile) throws IOException, ClassNotFoundException, URISyntaxException {
-        logger.info("Infering Types for Input.");
-
-        current = updateIfNotPresent(path, input);
-        LanguageServerTransferObject transferObj = current;
-
-        transferObj = new LanguageServerTransferObject(transferObj.getResultSets(), sourceFile, "", transferObj.getGeneratedGenerics());
-
-
-        ArrayList<LSPVariable> methodsWithParametersLSPVariableList = new ArrayList<>();
-
-
-        methodsWithParametersLSPVariableList.addAll(astTransformationHelper.constructorToVariable(transferObj));
-        methodsWithParametersLSPVariableList.addAll(astTransformationHelper.fieldDeclToVariable(transferObj));
-
-
-        if (!transferObj.getResultSets().isEmpty()) {
-            //TODO: Hier noch irgendwie die Klasse rausfinden oder durchgehen.
-
-            if (ENABLE_GENERICS) {
-                methodsWithParametersLSPVariableList.addAll(astTransformationHelper.addGenericClassPosition(transferObj, input));
+        for (PlaceholderVariable insert : tips) {
+            if (!insertsOnLines.containsKey(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine())) {
+                insertsOnLines.put(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine(), new ArrayList<>(List.of(insert)));
+            } else {
+                insertsOnLines.get(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine()).add(insert);
             }
-
-            methodsWithParametersLSPVariableList.addAll(astTransformationHelper.methodsWithParameterToVariable(transferObj, ENABLE_GENERICS));
         }
 
-        return methodsWithParametersLSPVariableList;
+        inserts = insertsOnLines;
+
+        ArrayList<LSPVariable> variables = new ArrayList<>(insertsOnLines.entrySet().stream().map(el -> new LSPVariable("test", new ArrayList<>(el.getValue().stream().map(typeinsert -> new Type(typeinsert.getInsertString(), typeinsert.point.isGenericClassInsertPoint())).toList()), el.getValue().getFirst().point.point.getLine(), el.getValue().getFirst().point.point.getCharPositionInLine(), el.getValue().get(0).point.point.getStopIndex(), el.getValue().get(0).getResultPair().getLeft())).toList());
+
+
+        for (var variable : variables) {
+
+            HashMap<String, Type> uniqueType = new HashMap<>();
+
+            for (var type : variable.getPossibleTypes()) {
+                if (!uniqueType.containsKey(type.getType().replaceAll(" ", ""))) {
+                    uniqueType.put(type.getType(), type);
+                }
+            }
+            variable.setPossibleTypes(new ArrayList<>(uniqueType.values()));
+            logger.info(variable.getLine() + ":" + variable.getCharPosition());
+            for (Type t : variable.getPossibleTypes()) {
+                logger.info(t.getType());
+            }
+
+        }
+
+        return variables;
     }
 
+    public ArrayList<LSPVariable> infereInput(String pathString, String input, boolean a) throws IOException, ClassNotFoundException, URISyntaxException {
+        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
+
+        LanguageServerInterface languageServerInterface = new LanguageServerInterface();
+        LanguageServerTransferObject lsTransfer = languageServerInterface.getResultSetAndAbstractSyntax(pathString);
+
+        var parsedSource = lsTransfer.getAst();
+        var tiResults =  lsTransfer.getResultSets();
+        Set<PlaceholderVariable> tips = new HashSet<>();
+
+        generatedGenerics = lsTransfer.getGeneratedGenerics().get(lsTransfer.getAst());
+        for (int i = 0; i < tiResults.size(); i++) {
+            ResultSet tiResult = tiResults.get(i);
+            tips.addAll(ASTTransformationHelper.createTypeInsertPoints(parsedSource, tiResult, lsTransfer.getGeneratedGenerics().get(lsTransfer.getAst()).get(i)));
+        }
+        System.setOut(System.out);
+        this.current = lsTransfer;
+
+        HashMap<String, List<PlaceholderVariable>> insertsOnLines = new HashMap<>();
+
+        for (PlaceholderVariable insert : tips) {
+            if (!insertsOnLines.containsKey(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine())) {
+                insertsOnLines.put(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine(), new ArrayList<>(List.of(insert)));
+            } else {
+                insertsOnLines.get(insert.point.point.getLine() + " " + insert.point.point.getCharPositionInLine()).add(insert);
+            }
+        }
+
+        inserts = insertsOnLines;
+
+        logger.info("TYPES ARE:");
+        insertsOnLines.forEach((key, value) -> value.forEach(type -> logger.info(type.point.getInsertString())));
+        ArrayList<LSPVariable> variables = new ArrayList<>();
+
+
+        for(var entrySet : insertsOnLines.entrySet()){
+            ArrayList<Type> typesOfVariable  = new ArrayList<>();
+
+            for(PlaceholderVariable typeinsert : entrySet.getValue()){
+                typesOfVariable.add(new Type(typeinsert.getInsertString(), typeinsert.point.isGenericClassInsertPoint()));
+            }
+
+            variables.add(new LSPVariable("test",typesOfVariable , entrySet.getValue().getFirst().point.point.getLine(), entrySet.getValue().getFirst().point.point.getCharPositionInLine(), entrySet.getValue().get(0).point.point.getStopIndex(), entrySet.getValue().get(0).getResultPair().getLeft()));
+        }
+
+
+        for (var variable : variables) {
+
+            HashMap<String, Type> uniqueType = new HashMap<>();
+
+            for (var type : variable.getPossibleTypes()) {
+                if (!uniqueType.containsKey(type.getType().replaceAll(" ", ""))) {
+                    uniqueType.put(type.getType(), type);
+                }
+            }
+            variable.setPossibleTypes(new ArrayList<>(uniqueType.values()));
+            logger.info(variable.getLine() + ":" + variable.getCharPosition());
+            for (Type t : variable.getPossibleTypes()) {
+                logger.info(t.getType());
+            }
+
+        }
+
+        return variables;
+    }
 
     public void reduceCurrent(HashMap<LineCharPosition, String> combinedList, List<LSPVariable> variables) {
 
@@ -156,7 +231,12 @@ public class TypeResolver {
     }
 
     public void updateAst(String uri) throws IOException, URISyntaxException, ClassNotFoundException {
-        current = new LanguageServerTransferObject(current.getResultSets(), getNewAst(uri), "", current.getGeneratedGenerics());
+        logger.info("Old AST:");
+        logger.info(ASTPrinter.print(this.current.getAst()));
+        this.current = new LanguageServerTransferObject(current.getResultSets(), getNewAst(uri), "", current.getGeneratedGenerics());
+
+        logger.info("NEW AST:");
+        logger.info(ASTPrinter.print(current.getAst()));
     }
 
 }

LanguageServer/src/main/java/de/dhbw/model/PlaceholderPoint.java

@@ -0,0 +1,97 @@
+package de.dhbw.model;
+
+import org.antlr.v4.runtime.Token;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+
+public class PlaceholderPoint {
+    public Token point;
+    private String insertString;
+    private int extraOffset = 0;
+    private PlaceholderType kind;
+
+    public void setInsertString(String insertString){
+        this.insertString = insertString;
+    }
+
+    public PlaceholderPoint(Token point, String toInsert, PlaceholderType kind){
+        this.point = point;
+        this.kind = kind;
+        this.insertString = (toInsert.endsWith(" ")) ? toInsert : toInsert + " " ;
+    }
+    
+    public boolean isGenericClassInsertPoint() {
+    	return kind == PlaceholderType.GENERIC_CLASS_INSERT;
+    }
+
+    public String insert(String intoSource, List<PlaceholderPoint> additionalOffset){
+        return new StringBuilder(intoSource).insert(point.getStartIndex()+extraOffset, insertString).toString();
+    }
+
+    public String getInsertString() {
+        return insertString;
+    }
+       
+    public void addExtraOffset(int toAdd) {
+    	this.extraOffset += toAdd;
+    }
+    
+    public int getPositionInCode() {
+    	return point.getStartIndex() + extraOffset; 
+    }
+
+
+    public PlaceholderType getKind() {
+        return kind;
+    }
+
+    public boolean equals(Object obj) {
+    	return this == obj;
+    	/*
+    	if(!(obj instanceof TypeInsertPoint)) {
+			return false;
+    	}
+    	else {
+    		return 
+	    		((TypeInsertPoint)obj).getPositionInCode() == this.getPositionInCode() &&
+	    		((TypeInsertPoint)obj).insertString.equals(this.insertString);
+    	}		
+    	*/	
+    }
+    
+    public int hashCode() {
+    	return getPositionInCode() * 11 * insertString.hashCode();
+    }
+    
+    public Set<PlaceholderPoint> getAdditionalPoints() {
+    	return this.getAdditionalPoints();
+    }
+    
+    public String toString() {
+    	return point.getLine() + ":" + point.getCharPositionInLine() + ":" + insertString;
+    }
+    
+    public static final class TypeInsertPointPositionComparator implements Comparator<PlaceholderPoint> {
+
+    	@Override
+    	public int compare(PlaceholderPoint o1, PlaceholderPoint o2) {
+    		if (o1.point == null && o2.point == null) {
+    			return 0;
+    		} else if (o2.point == null) {
+    			return 1;
+    		} else if (o1.point == null) {
+    			return -1;
+    		}
+    		
+    		if (o1.getPositionInCode() > o2.getPositionInCode()) {
+    			return 1;
+    		} else if (o1.getPositionInCode() < o2.getPositionInCode()) {
+    			return -1;
+    		}
+    		return 0;
+    	}
+
+    }
+}

LanguageServer/src/main/java/de/dhbw/model/PlaceholderType.java

@@ -0,0 +1,7 @@
+package de.dhbw.model;
+
+public enum PlaceholderType {
+	NORMAL_INSERT,
+	GENERIC_CLASS_INSERT,
+	GENERERIC_METHOD_INSERT
+}

LanguageServer/src/main/java/de/dhbw/model/PlaceholderVariable.java

@@ -0,0 +1,76 @@
+package de.dhbw.model;
+
+import de.dhbwstuttgart.typeinference.result.ResultPair;
+
+import java.util.*;
+
+public class PlaceholderVariable {
+    /**
+     * point wird hauptsächlich zur Anzeige einer Annotation im Eclipse-plugin benutzt.
+     */
+    public final PlaceholderPoint point;
+    Set<PlaceholderPoint> inserts;
+    ResultPair<?, ?> resultPair;
+
+
+    public PlaceholderVariable(PlaceholderPoint point, Set<PlaceholderPoint> additionalPoints, ResultPair<?, ?> resultPair) {
+        this.point = point;
+        inserts = additionalPoints;
+        this.resultPair = resultPair;
+    }
+
+    public String insert(String intoSource) {
+        List<PlaceholderPoint> offsets = new ArrayList<>();
+        String ret = intoSource;
+
+        List<PlaceholderPoint> insertsSorted = new ArrayList<>();
+        insertsSorted.add(point);
+
+        if (!point.getInsertString().contains("void")) {
+            insertsSorted.addAll(inserts);
+        }
+        Collections.sort(insertsSorted, new PlaceholderPoint.TypeInsertPointPositionComparator().reversed());
+
+        for (PlaceholderPoint insertPoint : insertsSorted) {
+            ret = insertPoint.insert(ret, new ArrayList<>());
+            offsets.add(insertPoint);
+        }
+        return ret;
+    }
+
+    public String getInsertString() {
+        return point.getInsertString();
+    }
+
+    public void reducePackage() {
+        point.setInsertString(point.getInsertString().replaceAll("java\\.lang\\.", "").replaceAll("java\\.util\\.", ""));
+    }
+
+    public ResultPair<?, ?> getResultPair() {
+        return this.resultPair;
+    }
+
+    public boolean equals(Object obj) {
+        if (!(obj instanceof PlaceholderVariable)) {
+            return false;
+        } else {
+            return ((PlaceholderVariable) obj).point.equals(this.point);
+
+        }
+    }
+
+    public Set<PlaceholderPoint> getAdditionalPoints() {
+        PlaceholderPoint.TypeInsertPointPositionComparator comparator = new PlaceholderPoint.TypeInsertPointPositionComparator();
+        TreeSet<PlaceholderPoint> result = new TreeSet<>(comparator.reversed());
+        result.addAll(inserts);
+        return result;
+    }
+
+    public Set<PlaceholderPoint> getAdditionalPointsUnsorted() {
+        return inserts;
+    }
+
+    public String toString() {
+        return point.toString();
+    }
+}

LanguageServer/src/main/java/de/dhbw/model/Type.java

@@ -24,4 +24,15 @@ public class Type {
     public boolean isGeneric() {
         return generic;
     }
+
+
+    @Override
+    public boolean equals(Object obj) {
+        return type.equals(obj.toString());
+    }
+
+    @Override
+    public String toString() {
+        return type;
+    }
 }

LanguageServer/src/main/java/de/dhbw/service/CacheService.java

@@ -4,6 +4,7 @@ import de.dhbw.helper.CodeSnippetOptions;
 import de.dhbw.helper.TextHelper;
 import de.dhbw.helper.TypeResolver;
 import de.dhbw.model.LSPVariable;
+import de.dhbwstuttgart.typedeployment.TypeInsert;
 import org.eclipse.lsp4j.Diagnostic;
 import org.eclipse.lsp4j.InlayHint;
 
@@ -25,6 +26,31 @@ public class CacheService {
     private Path fileRoot = null;
     private Boolean singleFileOpened = false;
     private List<LSPVariable> variables = new ArrayList<>();
+    private List<TypeInsert> typeInserts;
+
+    public List<TypeInsert> getTypeInserts() {
+        return typeInserts;
+    }
+
+    public void setTypeInserts(List<TypeInsert> typeInserts) {
+        this.typeInserts = typeInserts;
+    }
+
+    public void reset(){
+       globalInlayHintMap = new HashMap<>();
+       lastSavedFiles = new HashMap<>();
+       currentlyCalculating = false;
+       globalDiagnosticsMap = new HashMap<>();
+       textDocuments = new HashMap<>();
+       codeSnippetOptions = new CodeSnippetOptions();
+       textHelper = new TextHelper();
+       dontShowHints = false;
+       typeResolver = new TypeResolver();
+       fileRoot = null;
+       singleFileOpened = false;
+       typeInserts = null;
+    }
+
 
     public void updateGlobalMaps(List<Diagnostic> diagnostics, List<InlayHint> typeHint, String uri) {
         globalDiagnosticsMap.put(uri, diagnostics);

LanguageServer/src/main/java/de/dhbw/service/TextDocumentService.java

@@ -14,6 +14,11 @@ public class TextDocumentService {
 
     }
 
+    public void reset(){
+        files.clear();
+    }
+
+
     public String getFileOfUri(String uri) {
         return files.get(uri);
     }

LanguageServer/src/test/java/CompilerInterfaceTest.java

@@ -12,29 +12,6 @@ public class CompilerInterfaceTest {
 
     @Test
     public void testAbstractSyntaxAsString() throws IOException, ClassNotFoundException, URISyntaxException {
-        TypeResolver typeResolver = new TypeResolver();
-        var res = typeResolver.infereInput("import java.lang.Integer;\n import java.lang.String;\n" +
-                "public class test{\n" +
-                "public main(test){" +
-                "if(0>1){" +
-                "return \"w\";" +
-                "}" +
-                "Integer i = 0;" +
-                "return i;" +
-                "}" +
-                "}", "c%3A/Users/ruben/Neuer%20Ordner%20%282%29/LSP-Vortrag/images/test.jav");
-
-        var res2 = typeResolver.infereInput("import java.lang.Integer;\n import java.lang.String;\n" +
-                "public class test{\n" +
-                "public main(test){" +
-                "if(0>1){" +
-                "return \"w\";" +
-                "}" +
-                "Integer i = 0;" +
-                "return i;" +
-                "}" +
-                "}", "c%3A/Users/ruben/Neuer%20Ordner%20%282%29/LSP-Vortrag/images/test.jav");
-        System.out.println("TEST OUTPUT:");
 //
 //        ArrayList<String> allTypes = new ArrayList<>();
 //

README.md

@@ -55,6 +55,10 @@ The Language Server in itself can be used for any Client. The Clients task is to
 
 ![Diagram](docs/diagram.png)
 
+## Additional Information
+
+- Uses the [LSP-Interface](https://gitea.hb.dhbw-stuttgart.de/JavaTX/JavaCompilerCore/src/branch/LSP-Interface) Branch of the Java-TX Compiler Repository
+
 ## Update JavaTX Compiler Dependency as Maven Package
 If you make changes in the Compiler Interface, you have to change the jar and therefore the Dependency in the Java TX Language Server
 You can follow this steps: