feat: fix merge problems, update type inference to work with updated environment

chore: optimize imports

feat: implement parameters for client-server separation

feat: add web sockets and packet communication

feat: add web sockets and packet communication

feat: Implement client to server data serialization

chore: adding comments, optimizing imports, formatting some code

feat: added some missing properties to packets

feat: make server configurable via arguments, cleanup some code

.gitea/workflows/build_and_test.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '21'
+          java-version: '22'
           cache: 'maven'
       - name: Compile project
         run: |

Makefile

@@ -0,0 +1,3 @@
+NoOptParallel:
+	mvn -DskipTests package
+	cp target/JavaTXcompiler-0.1-jar-with-dependencies.jar target/JavaTXcompiler-0.1-jar-with-dependencies_NoOptParallel.jar

gen/Java17Lexer.java

@@ -0,0 +1,873 @@
+// Generated from C:/Users/ruben/IdeaProjects/JavaCompilerCore/src/main/antlr4/de/dhbwstuttgart/parser/antlr/Java17Lexer.g4 by ANTLR 4.13.1
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
+public class Java17Lexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		ABSTRACT=1, ASSERT=2, BOOLEAN=3, BREAK=4, BYTE=5, CASE=6, CATCH=7, CHAR=8, 
+		CLASS=9, CONST=10, CONTINUE=11, DEFAULT=12, DO=13, DOUBLE=14, ELSE=15, 
+		ENUM=16, EXTENDS=17, FINAL=18, FINALLY=19, FLOAT=20, FOR=21, IF=22, GOTO=23, 
+		IMPLEMENTS=24, IMPORT=25, INSTANCEOF=26, INT=27, INTERFACE=28, LONG=29, 
+		NATIVE=30, NEW=31, PACKAGE=32, PRIVATE=33, PROTECTED=34, PUBLIC=35, RETURN=36, 
+		SHORT=37, STATIC=38, STRICTFP=39, SUPER=40, SWITCH=41, SYNCHRONIZED=42, 
+		THIS=43, THROW=44, THROWS=45, TRANSIENT=46, TRY=47, VOID=48, VOLATILE=49, 
+		WHILE=50, MODULE=51, OPEN=52, REQUIRES=53, EXPORTS=54, OPENS=55, TO=56, 
+		USES=57, PROVIDES=58, WITH=59, TRANSITIVE=60, VAR=61, YIELD=62, RECORD=63, 
+		SEALED=64, PERMITS=65, NON_SEALED=66, DECIMAL_LITERAL=67, HEX_LITERAL=68, 
+		OCT_LITERAL=69, BINARY_LITERAL=70, FLOAT_LITERAL=71, HEX_FLOAT_LITERAL=72, 
+		BOOL_LITERAL=73, CHAR_LITERAL=74, STRING_LITERAL=75, TEXT_BLOCK=76, NULL_LITERAL=77, 
+		LPAREN=78, RPAREN=79, LBRACE=80, RBRACE=81, LBRACK=82, RBRACK=83, SEMI=84, 
+		COMMA=85, DOT=86, ASSIGN=87, GT=88, LT=89, BANG=90, TILDE=91, QUESTION=92, 
+		COLON=93, EQUAL=94, LE=95, GE=96, NOTEQUAL=97, AND=98, OR=99, INC=100, 
+		DEC=101, ADD=102, SUB=103, MUL=104, DIV=105, BITAND=106, BITOR=107, CARET=108, 
+		MOD=109, ADD_ASSIGN=110, SUB_ASSIGN=111, MUL_ASSIGN=112, DIV_ASSIGN=113, 
+		AND_ASSIGN=114, OR_ASSIGN=115, XOR_ASSIGN=116, MOD_ASSIGN=117, LSHIFT_ASSIGN=118, 
+		RSHIFT_ASSIGN=119, URSHIFT_ASSIGN=120, ARROW=121, COLONCOLON=122, AT=123, 
+		ELLIPSIS=124, WS=125, COMMENT=126, LINE_COMMENT=127, IDENTIFIER=128;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH", "CHAR", 
+			"CLASS", "CONST", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE", "ENUM", 
+			"EXTENDS", "FINAL", "FINALLY", "FLOAT", "FOR", "IF", "GOTO", "IMPLEMENTS", 
+			"IMPORT", "INSTANCEOF", "INT", "INTERFACE", "LONG", "NATIVE", "NEW", 
+			"PACKAGE", "PRIVATE", "PROTECTED", "PUBLIC", "RETURN", "SHORT", "STATIC", 
+			"STRICTFP", "SUPER", "SWITCH", "SYNCHRONIZED", "THIS", "THROW", "THROWS", 
+			"TRANSIENT", "TRY", "VOID", "VOLATILE", "WHILE", "MODULE", "OPEN", "REQUIRES", 
+			"EXPORTS", "OPENS", "TO", "USES", "PROVIDES", "WITH", "TRANSITIVE", "VAR", 
+			"YIELD", "RECORD", "SEALED", "PERMITS", "NON_SEALED", "DECIMAL_LITERAL", 
+			"HEX_LITERAL", "OCT_LITERAL", "BINARY_LITERAL", "FLOAT_LITERAL", "HEX_FLOAT_LITERAL", 
+			"BOOL_LITERAL", "CHAR_LITERAL", "STRING_LITERAL", "TEXT_BLOCK", "NULL_LITERAL", 
+			"LPAREN", "RPAREN", "LBRACE", "RBRACE", "LBRACK", "RBRACK", "SEMI", "COMMA", 
+			"DOT", "ASSIGN", "GT", "LT", "BANG", "TILDE", "QUESTION", "COLON", "EQUAL", 
+			"LE", "GE", "NOTEQUAL", "AND", "OR", "INC", "DEC", "ADD", "SUB", "MUL", 
+			"DIV", "BITAND", "BITOR", "CARET", "MOD", "ADD_ASSIGN", "SUB_ASSIGN", 
+			"MUL_ASSIGN", "DIV_ASSIGN", "AND_ASSIGN", "OR_ASSIGN", "XOR_ASSIGN", 
+			"MOD_ASSIGN", "LSHIFT_ASSIGN", "RSHIFT_ASSIGN", "URSHIFT_ASSIGN", "ARROW", 
+			"COLONCOLON", "AT", "ELLIPSIS", "WS", "COMMENT", "LINE_COMMENT", "IDENTIFIER", 
+			"ExponentPart", "EscapeSequence", "HexDigits", "HexDigit", "Digits", 
+			"LetterOrDigit", "Letter"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'abstract'", "'assert'", "'boolean'", "'break'", "'byte'", "'case'", 
+			"'catch'", "'char'", "'class'", "'const'", "'continue'", "'default'", 
+			"'do'", "'double'", "'else'", "'enum'", "'extends'", "'final'", "'finally'", 
+			"'float'", "'for'", "'if'", "'goto'", "'implements'", "'import'", "'instanceof'", 
+			"'int'", "'interface'", "'long'", "'native'", "'new'", "'package'", "'private'", 
+			"'protected'", "'public'", "'return'", "'short'", "'static'", "'strictfp'", 
+			"'super'", "'switch'", "'synchronized'", "'this'", "'throw'", "'throws'", 
+			"'transient'", "'try'", "'void'", "'volatile'", "'while'", "'module'", 
+			"'open'", "'requires'", "'exports'", "'opens'", "'to'", "'uses'", "'provides'", 
+			"'with'", "'transitive'", "'var'", "'yield'", "'record'", "'sealed'", 
+			"'permits'", "'non-sealed'", null, null, null, null, null, null, null, 
+			null, null, null, "'null'", "'('", "')'", "'{'", "'}'", "'['", "']'", 
+			"';'", "','", "'.'", "'='", "'>'", "'<'", "'!'", "'~'", "'?'", "':'", 
+			"'=='", "'<='", "'>='", "'!='", "'&&'", "'||'", "'++'", "'--'", "'+'", 
+			"'-'", "'*'", "'/'", "'&'", "'|'", "'^'", "'%'", "'+='", "'-='", "'*='", 
+			"'/='", "'&='", "'|='", "'^='", "'%='", "'<<='", "'>>='", "'>>>='", "'->'", 
+			"'::'", "'@'", "'...'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH", 
+			"CHAR", "CLASS", "CONST", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE", 
+			"ENUM", "EXTENDS", "FINAL", "FINALLY", "FLOAT", "FOR", "IF", "GOTO", 
+			"IMPLEMENTS", "IMPORT", "INSTANCEOF", "INT", "INTERFACE", "LONG", "NATIVE", 
+			"NEW", "PACKAGE", "PRIVATE", "PROTECTED", "PUBLIC", "RETURN", "SHORT", 
+			"STATIC", "STRICTFP", "SUPER", "SWITCH", "SYNCHRONIZED", "THIS", "THROW", 
+			"THROWS", "TRANSIENT", "TRY", "VOID", "VOLATILE", "WHILE", "MODULE", 
+			"OPEN", "REQUIRES", "EXPORTS", "OPENS", "TO", "USES", "PROVIDES", "WITH", 
+			"TRANSITIVE", "VAR", "YIELD", "RECORD", "SEALED", "PERMITS", "NON_SEALED", 
+			"DECIMAL_LITERAL", "HEX_LITERAL", "OCT_LITERAL", "BINARY_LITERAL", "FLOAT_LITERAL", 
+			"HEX_FLOAT_LITERAL", "BOOL_LITERAL", "CHAR_LITERAL", "STRING_LITERAL", 
+			"TEXT_BLOCK", "NULL_LITERAL", "LPAREN", "RPAREN", "LBRACE", "RBRACE", 
+			"LBRACK", "RBRACK", "SEMI", "COMMA", "DOT", "ASSIGN", "GT", "LT", "BANG", 
+			"TILDE", "QUESTION", "COLON", "EQUAL", "LE", "GE", "NOTEQUAL", "AND", 
+			"OR", "INC", "DEC", "ADD", "SUB", "MUL", "DIV", "BITAND", "BITOR", "CARET", 
+			"MOD", "ADD_ASSIGN", "SUB_ASSIGN", "MUL_ASSIGN", "DIV_ASSIGN", "AND_ASSIGN", 
+			"OR_ASSIGN", "XOR_ASSIGN", "MOD_ASSIGN", "LSHIFT_ASSIGN", "RSHIFT_ASSIGN", 
+			"URSHIFT_ASSIGN", "ARROW", "COLONCOLON", "AT", "ELLIPSIS", "WS", "COMMENT", 
+			"LINE_COMMENT", "IDENTIFIER"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+
+	public Java17Lexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "Java17Lexer.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public String[] getChannelNames() { return channelNames; }
+
+	@Override
+	public String[] getModeNames() { return modeNames; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public static final String _serializedATN =
+		"\u0004\u0000\u0080\u0458\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002"+
+		"\u0001\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002"+
+		"\u0004\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002"+
+		"\u0007\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002"+
+		"\u000b\u0007\u000b\u0002\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e"+
+		"\u0002\u000f\u0007\u000f\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011"+
+		"\u0002\u0012\u0007\u0012\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014"+
+		"\u0002\u0015\u0007\u0015\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017"+
+		"\u0002\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a"+
+		"\u0002\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d"+
+		"\u0002\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!"+
+		"\u0007!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002"+
+		"&\u0007&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002"+
+		"+\u0007+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u0002"+
+		"0\u00070\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0002"+
+		"5\u00075\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0002"+
+		":\u0007:\u0002;\u0007;\u0002<\u0007<\u0002=\u0007=\u0002>\u0007>\u0002"+
+		"?\u0007?\u0002@\u0007@\u0002A\u0007A\u0002B\u0007B\u0002C\u0007C\u0002"+
+		"D\u0007D\u0002E\u0007E\u0002F\u0007F\u0002G\u0007G\u0002H\u0007H\u0002"+
+		"I\u0007I\u0002J\u0007J\u0002K\u0007K\u0002L\u0007L\u0002M\u0007M\u0002"+
+		"N\u0007N\u0002O\u0007O\u0002P\u0007P\u0002Q\u0007Q\u0002R\u0007R\u0002"+
+		"S\u0007S\u0002T\u0007T\u0002U\u0007U\u0002V\u0007V\u0002W\u0007W\u0002"+
+		"X\u0007X\u0002Y\u0007Y\u0002Z\u0007Z\u0002[\u0007[\u0002\\\u0007\\\u0002"+
+		"]\u0007]\u0002^\u0007^\u0002_\u0007_\u0002`\u0007`\u0002a\u0007a\u0002"+
+		"b\u0007b\u0002c\u0007c\u0002d\u0007d\u0002e\u0007e\u0002f\u0007f\u0002"+
+		"g\u0007g\u0002h\u0007h\u0002i\u0007i\u0002j\u0007j\u0002k\u0007k\u0002"+
+		"l\u0007l\u0002m\u0007m\u0002n\u0007n\u0002o\u0007o\u0002p\u0007p\u0002"+
+		"q\u0007q\u0002r\u0007r\u0002s\u0007s\u0002t\u0007t\u0002u\u0007u\u0002"+
+		"v\u0007v\u0002w\u0007w\u0002x\u0007x\u0002y\u0007y\u0002z\u0007z\u0002"+
+		"{\u0007{\u0002|\u0007|\u0002}\u0007}\u0002~\u0007~\u0002\u007f\u0007\u007f"+
+		"\u0002\u0080\u0007\u0080\u0002\u0081\u0007\u0081\u0002\u0082\u0007\u0082"+
+		"\u0002\u0083\u0007\u0083\u0002\u0084\u0007\u0084\u0002\u0085\u0007\u0085"+
+		"\u0002\u0086\u0007\u0086\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000"+
+		"\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001"+
+		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
+		"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002"+
+		"\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
+		"\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004"+
+		"\u0001\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005"+
+		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\b\u0001"+
+		"\b\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t\u0001\t\u0001\t\u0001"+
+		"\t\u0001\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001"+
+		"\n\u0001\n\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b"+
+		"\u0001\u000b\u0001\u000b\u0001\u000b\u0001\f\u0001\f\u0001\f\u0001\r\u0001"+
+		"\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+		"\u000f\u0001\u000f\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001"+
+		"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001"+
+		"\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001"+
+		"\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001"+
+		"\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001"+
+		"\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001"+
+		"\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
+		"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001"+
+		"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001"+
+		"\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u001a\u0001"+
+		"\u001a\u0001\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
+		"\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
+		"\u001b\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001"+
+		"\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001"+
+		"\u001d\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001f\u0001"+
+		"\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001"+
+		"\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001!"+
+		"\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001"+
+		"\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001#\u0001#\u0001"+
+		"#\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001$\u0001$\u0001$\u0001"+
+		"$\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001&\u0001&\u0001"+
+		"&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001\'\u0001\'\u0001\'\u0001"+
+		"\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001"+
+		")\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001"+
+		")\u0001)\u0001)\u0001*\u0001*\u0001*\u0001*\u0001*\u0001+\u0001+\u0001"+
+		"+\u0001+\u0001+\u0001+\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
+		",\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001"+
+		"-\u0001.\u0001.\u0001.\u0001.\u0001/\u0001/\u0001/\u0001/\u0001/\u0001"+
+		"0\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00011\u0001"+
+		"1\u00011\u00011\u00011\u00011\u00012\u00012\u00012\u00012\u00012\u0001"+
+		"2\u00012\u00013\u00013\u00013\u00013\u00013\u00014\u00014\u00014\u0001"+
+		"4\u00014\u00014\u00014\u00014\u00014\u00015\u00015\u00015\u00015\u0001"+
+		"5\u00015\u00015\u00015\u00016\u00016\u00016\u00016\u00016\u00016\u0001"+
+		"7\u00017\u00017\u00018\u00018\u00018\u00018\u00018\u00019\u00019\u0001"+
+		"9\u00019\u00019\u00019\u00019\u00019\u00019\u0001:\u0001:\u0001:\u0001"+
+		":\u0001:\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001"+
+		";\u0001;\u0001;\u0001<\u0001<\u0001<\u0001<\u0001=\u0001=\u0001=\u0001"+
+		"=\u0001=\u0001=\u0001>\u0001>\u0001>\u0001>\u0001>\u0001>\u0001>\u0001"+
+		"?\u0001?\u0001?\u0001?\u0001?\u0001?\u0001?\u0001@\u0001@\u0001@\u0001"+
+		"@\u0001@\u0001@\u0001@\u0001@\u0001A\u0001A\u0001A\u0001A\u0001A\u0001"+
+		"A\u0001A\u0001A\u0001A\u0001A\u0001A\u0001B\u0001B\u0001B\u0003B\u02d5"+
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+		"\bC\nC\fC\u02eb\tC\u0001C\u0003C\u02ee\bC\u0001C\u0003C\u02f1\bC\u0001"+
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+		"\t\t  \u0002\u0000\n\n\r\r\u0003\u0000\t\n\f\r  \u0002\u0000EEee\b\u0000"+
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+		"\u0005-\u0000\u0000\u03b1\u00ca\u0001\u0000\u0000\u0000\u03b2\u03b3\u0005"+
+		"+\u0000\u0000\u03b3\u00cc\u0001\u0000\u0000\u0000\u03b4\u03b5\u0005-\u0000"+
+		"\u0000\u03b5\u00ce\u0001\u0000\u0000\u0000\u03b6\u03b7\u0005*\u0000\u0000"+
+		"\u03b7\u00d0\u0001\u0000\u0000\u0000\u03b8\u03b9\u0005/\u0000\u0000\u03b9"+
+		"\u00d2\u0001\u0000\u0000\u0000\u03ba\u03bb\u0005&\u0000\u0000\u03bb\u00d4"+
+		"\u0001\u0000\u0000\u0000\u03bc\u03bd\u0005|\u0000\u0000\u03bd\u00d6\u0001"+
+		"\u0000\u0000\u0000\u03be\u03bf\u0005^\u0000\u0000\u03bf\u00d8\u0001\u0000"+
+		"\u0000\u0000\u03c0\u03c1\u0005%\u0000\u0000\u03c1\u00da\u0001\u0000\u0000"+
+		"\u0000\u03c2\u03c3\u0005+\u0000\u0000\u03c3\u03c4\u0005=\u0000\u0000\u03c4"+
+		"\u00dc\u0001\u0000\u0000\u0000\u03c5\u03c6\u0005-\u0000\u0000\u03c6\u03c7"+
+		"\u0005=\u0000\u0000\u03c7\u00de\u0001\u0000\u0000\u0000\u03c8\u03c9\u0005"+
+		"*\u0000\u0000\u03c9\u03ca\u0005=\u0000\u0000\u03ca\u00e0\u0001\u0000\u0000"+
+		"\u0000\u03cb\u03cc\u0005/\u0000\u0000\u03cc\u03cd\u0005=\u0000\u0000\u03cd"+
+		"\u00e2\u0001\u0000\u0000\u0000\u03ce\u03cf\u0005&\u0000\u0000\u03cf\u03d0"+
+		"\u0005=\u0000\u0000\u03d0\u00e4\u0001\u0000\u0000\u0000\u03d1\u03d2\u0005"+
+		"|\u0000\u0000\u03d2\u03d3\u0005=\u0000\u0000\u03d3\u00e6\u0001\u0000\u0000"+
+		"\u0000\u03d4\u03d5\u0005^\u0000\u0000\u03d5\u03d6\u0005=\u0000\u0000\u03d6"+
+		"\u00e8\u0001\u0000\u0000\u0000\u03d7\u03d8\u0005%\u0000\u0000\u03d8\u03d9"+
+		"\u0005=\u0000\u0000\u03d9\u00ea\u0001\u0000\u0000\u0000\u03da\u03db\u0005"+
+		"<\u0000\u0000\u03db\u03dc\u0005<\u0000\u0000\u03dc\u03dd\u0005=\u0000"+
+		"\u0000\u03dd\u00ec\u0001\u0000\u0000\u0000\u03de\u03df\u0005>\u0000\u0000"+
+		"\u03df\u03e0\u0005>\u0000\u0000\u03e0\u03e1\u0005=\u0000\u0000\u03e1\u00ee"+
+		"\u0001\u0000\u0000\u0000\u03e2\u03e3\u0005>\u0000\u0000\u03e3\u03e4\u0005"+
+		">\u0000\u0000\u03e4\u03e5\u0005>\u0000\u0000\u03e5\u03e6\u0005=\u0000"+
+		"\u0000\u03e6\u00f0\u0001\u0000\u0000\u0000\u03e7\u03e8\u0005-\u0000\u0000"+
+		"\u03e8\u03e9\u0005>\u0000\u0000\u03e9\u00f2\u0001\u0000\u0000\u0000\u03ea"+
+		"\u03eb\u0005:\u0000\u0000\u03eb\u03ec\u0005:\u0000\u0000\u03ec\u00f4\u0001"+
+		"\u0000\u0000\u0000\u03ed\u03ee\u0005@\u0000\u0000\u03ee\u00f6\u0001\u0000"+
+		"\u0000\u0000\u03ef\u03f0\u0005.\u0000\u0000\u03f0\u03f1\u0005.\u0000\u0000"+
+		"\u03f1\u03f2\u0005.\u0000\u0000\u03f2\u00f8\u0001\u0000\u0000\u0000\u03f3"+
+		"\u03f5\u0007\u0011\u0000\u0000\u03f4\u03f3\u0001\u0000\u0000\u0000\u03f5"+
+		"\u03f6\u0001\u0000\u0000\u0000\u03f6\u03f4\u0001\u0000\u0000\u0000\u03f6"+
+		"\u03f7\u0001\u0000\u0000\u0000\u03f7\u03f8\u0001\u0000\u0000\u0000\u03f8"+
+		"\u03f9\u0006|\u0000\u0000\u03f9\u00fa\u0001\u0000\u0000\u0000\u03fa\u03fb"+
+		"\u0005/\u0000\u0000\u03fb\u03fc\u0005*\u0000\u0000\u03fc\u0400\u0001\u0000"+
+		"\u0000\u0000\u03fd\u03ff\t\u0000\u0000\u0000\u03fe\u03fd\u0001\u0000\u0000"+
+		"\u0000\u03ff\u0402\u0001\u0000\u0000\u0000\u0400\u0401\u0001\u0000\u0000"+
+		"\u0000\u0400\u03fe\u0001\u0000\u0000\u0000\u0401\u0403\u0001\u0000\u0000"+
+		"\u0000\u0402\u0400\u0001\u0000\u0000\u0000\u0403\u0404\u0005*\u0000\u0000"+
+		"\u0404\u0405\u0005/\u0000\u0000\u0405\u0406\u0001\u0000\u0000\u0000\u0406"+
+		"\u0407\u0006}\u0000\u0000\u0407\u00fc\u0001\u0000\u0000\u0000\u0408\u0409"+
+		"\u0005/\u0000\u0000\u0409\u040a\u0005/\u0000\u0000\u040a\u040e\u0001\u0000"+
+		"\u0000\u0000\u040b\u040d\b\u0010\u0000\u0000\u040c\u040b\u0001\u0000\u0000"+
+		"\u0000\u040d\u0410\u0001\u0000\u0000\u0000\u040e\u040c\u0001\u0000\u0000"+
+		"\u0000\u040e\u040f\u0001\u0000\u0000\u0000\u040f\u0411\u0001\u0000\u0000"+
+		"\u0000\u0410\u040e\u0001\u0000\u0000\u0000\u0411\u0412\u0006~\u0000\u0000"+
+		"\u0412\u00fe\u0001\u0000\u0000\u0000\u0413\u0417\u0003\u010d\u0086\u0000"+
+		"\u0414\u0416\u0003\u010b\u0085\u0000\u0415\u0414\u0001\u0000\u0000\u0000"+
+		"\u0416\u0419\u0001\u0000\u0000\u0000\u0417\u0415\u0001\u0000\u0000\u0000"+
+		"\u0417\u0418\u0001\u0000\u0000\u0000\u0418\u0100\u0001\u0000\u0000\u0000"+
+		"\u0419\u0417\u0001\u0000\u0000\u0000\u041a\u041c\u0007\u0012\u0000\u0000"+
+		"\u041b\u041d\u0007\f\u0000\u0000\u041c\u041b\u0001\u0000\u0000\u0000\u041c"+
+		"\u041d\u0001\u0000\u0000\u0000\u041d\u041e\u0001\u0000\u0000\u0000\u041e"+
+		"\u041f\u0003\u0109\u0084\u0000\u041f\u0102\u0001\u0000\u0000\u0000\u0420"+
+		"\u0421\u0005\\\u0000\u0000\u0421\u0436\u0007\u0013\u0000\u0000\u0422\u0427"+
+		"\u0005\\\u0000\u0000\u0423\u0425\u0007\u0014\u0000\u0000\u0424\u0423\u0001"+
+		"\u0000\u0000\u0000\u0424\u0425\u0001\u0000\u0000\u0000\u0425\u0426\u0001"+
+		"\u0000\u0000\u0000\u0426\u0428\u0007\u0005\u0000\u0000\u0427\u0424\u0001"+
+		"\u0000\u0000\u0000\u0427\u0428\u0001\u0000\u0000\u0000\u0428\u0429\u0001"+
+		"\u0000\u0000\u0000\u0429\u0436\u0007\u0005\u0000\u0000\u042a\u042c\u0005"+
+		"\\\u0000\u0000\u042b\u042d\u0005u\u0000\u0000\u042c\u042b\u0001\u0000"+
+		"\u0000\u0000\u042d\u042e\u0001\u0000\u0000\u0000\u042e\u042c\u0001\u0000"+
+		"\u0000\u0000\u042e\u042f\u0001\u0000\u0000\u0000\u042f\u0430\u0001\u0000"+
+		"\u0000\u0000\u0430\u0431\u0003\u0107\u0083\u0000\u0431\u0432\u0003\u0107"+
+		"\u0083\u0000\u0432\u0433\u0003\u0107\u0083\u0000\u0433\u0434\u0003\u0107"+
+		"\u0083\u0000\u0434\u0436\u0001\u0000\u0000\u0000\u0435\u0420\u0001\u0000"+
+		"\u0000\u0000\u0435\u0422\u0001\u0000\u0000\u0000\u0435\u042a\u0001\u0000"+
+		"\u0000\u0000\u0436\u0104\u0001\u0000\u0000\u0000\u0437\u0440\u0003\u0107"+
+		"\u0083\u0000\u0438\u043b\u0003\u0107\u0083\u0000\u0439\u043b\u0005_\u0000"+
+		"\u0000\u043a\u0438\u0001\u0000\u0000\u0000\u043a\u0439\u0001\u0000\u0000"+
+		"\u0000\u043b\u043e\u0001\u0000\u0000\u0000\u043c\u043a\u0001\u0000\u0000"+
+		"\u0000\u043c\u043d\u0001\u0000\u0000\u0000\u043d\u043f\u0001\u0000\u0000"+
+		"\u0000\u043e\u043c\u0001\u0000\u0000\u0000\u043f\u0441\u0003\u0107\u0083"+
+		"\u0000\u0440\u043c\u0001\u0000\u0000\u0000\u0440\u0441\u0001\u0000\u0000"+
+		"\u0000\u0441\u0106\u0001\u0000\u0000\u0000\u0442\u0443\u0007\u0003\u0000"+
+		"\u0000\u0443\u0108\u0001\u0000\u0000\u0000\u0444\u044c\u0007\u0015\u0000"+
+		"\u0000\u0445\u0447\u0007\u0016\u0000\u0000\u0446\u0445\u0001\u0000\u0000"+
+		"\u0000\u0447\u044a\u0001\u0000\u0000\u0000\u0448\u0446\u0001\u0000\u0000"+
+		"\u0000\u0448\u0449\u0001\u0000\u0000\u0000\u0449\u044b\u0001\u0000\u0000"+
+		"\u0000\u044a\u0448\u0001\u0000\u0000\u0000\u044b\u044d\u0007\u0015\u0000"+
+		"\u0000\u044c\u0448\u0001\u0000\u0000\u0000\u044c\u044d\u0001\u0000\u0000"+
+		"\u0000\u044d\u010a\u0001\u0000\u0000\u0000\u044e\u0451\u0003\u010d\u0086"+
+		"\u0000\u044f\u0451\u0007\u0015\u0000\u0000\u0450\u044e\u0001\u0000\u0000"+
+		"\u0000\u0450\u044f\u0001\u0000\u0000\u0000\u0451\u010c\u0001\u0000\u0000"+
+		"\u0000\u0452\u0457\u0007\u0017\u0000\u0000\u0453\u0457\b\u0018\u0000\u0000"+
+		"\u0454\u0455\u0007\u0019\u0000\u0000\u0455\u0457\u0007\u001a\u0000\u0000"+
+		"\u0456\u0452\u0001\u0000\u0000\u0000\u0456\u0453\u0001\u0000\u0000\u0000"+
+		"\u0456\u0454\u0001\u0000\u0000\u0000\u0457\u010e\u0001\u0000\u0000\u0000"+
+		"3\u0000\u02d4\u02d9\u02dc\u02de\u02e1\u02e9\u02ed\u02f0\u02f6\u02fd\u0301"+
+		"\u0304\u030c\u0310\u0313\u0318\u031c\u031f\u0322\u0327\u032a\u032c\u0332"+
+		"\u0335\u0339\u033d\u0341\u034c\u0351\u0358\u035a\u0366\u036c\u036e\u03f6"+
+		"\u0400\u040e\u0417\u041c\u0424\u0427\u042e\u0435\u043a\u043c\u0440\u0448"+
+		"\u044c\u0450\u0456\u0001\u0000\u0001\u0000";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}

gen/Java17Lexer.tokens

@@ -0,0 +1,242 @@
+ABSTRACT=1
+ASSERT=2
+BOOLEAN=3
+BREAK=4
+BYTE=5
+CASE=6
+CATCH=7
+CHAR=8
+CLASS=9
+CONST=10
+CONTINUE=11
+DEFAULT=12
+DO=13
+DOUBLE=14
+ELSE=15
+ENUM=16
+EXTENDS=17
+FINAL=18
+FINALLY=19
+FLOAT=20
+FOR=21
+IF=22
+GOTO=23
+IMPLEMENTS=24
+IMPORT=25
+INSTANCEOF=26
+INT=27
+INTERFACE=28
+LONG=29
+NATIVE=30
+NEW=31
+PACKAGE=32
+PRIVATE=33
+PROTECTED=34
+PUBLIC=35
+RETURN=36
+SHORT=37
+STATIC=38
+STRICTFP=39
+SUPER=40
+SWITCH=41
+SYNCHRONIZED=42
+THIS=43
+THROW=44
+THROWS=45
+TRANSIENT=46
+TRY=47
+VOID=48
+VOLATILE=49
+WHILE=50
+MODULE=51
+OPEN=52
+REQUIRES=53
+EXPORTS=54
+OPENS=55
+TO=56
+USES=57
+PROVIDES=58
+WITH=59
+TRANSITIVE=60
+VAR=61
+YIELD=62
+RECORD=63
+SEALED=64
+PERMITS=65
+NON_SEALED=66
+DECIMAL_LITERAL=67
+HEX_LITERAL=68
+OCT_LITERAL=69
+BINARY_LITERAL=70
+FLOAT_LITERAL=71
+HEX_FLOAT_LITERAL=72
+BOOL_LITERAL=73
+CHAR_LITERAL=74
+STRING_LITERAL=75
+TEXT_BLOCK=76
+NULL_LITERAL=77
+LPAREN=78
+RPAREN=79
+LBRACE=80
+RBRACE=81
+LBRACK=82
+RBRACK=83
+SEMI=84
+COMMA=85
+DOT=86
+ASSIGN=87
+GT=88
+LT=89
+BANG=90
+TILDE=91
+QUESTION=92
+COLON=93
+EQUAL=94
+LE=95
+GE=96
+NOTEQUAL=97
+AND=98
+OR=99
+INC=100
+DEC=101
+ADD=102
+SUB=103
+MUL=104
+DIV=105
+BITAND=106
+BITOR=107
+CARET=108
+MOD=109
+ADD_ASSIGN=110
+SUB_ASSIGN=111
+MUL_ASSIGN=112
+DIV_ASSIGN=113
+AND_ASSIGN=114
+OR_ASSIGN=115
+XOR_ASSIGN=116
+MOD_ASSIGN=117
+LSHIFT_ASSIGN=118
+RSHIFT_ASSIGN=119
+URSHIFT_ASSIGN=120
+ARROW=121
+COLONCOLON=122
+AT=123
+ELLIPSIS=124
+WS=125
+COMMENT=126
+LINE_COMMENT=127
+IDENTIFIER=128
+'abstract'=1
+'assert'=2
+'boolean'=3
+'break'=4
+'byte'=5
+'case'=6
+'catch'=7
+'char'=8
+'class'=9
+'const'=10
+'continue'=11
+'default'=12
+'do'=13
+'double'=14
+'else'=15
+'enum'=16
+'extends'=17
+'final'=18
+'finally'=19
+'float'=20
+'for'=21
+'if'=22
+'goto'=23
+'implements'=24
+'import'=25
+'instanceof'=26
+'int'=27
+'interface'=28
+'long'=29
+'native'=30
+'new'=31
+'package'=32
+'private'=33
+'protected'=34
+'public'=35
+'return'=36
+'short'=37
+'static'=38
+'strictfp'=39
+'super'=40
+'switch'=41
+'synchronized'=42
+'this'=43
+'throw'=44
+'throws'=45
+'transient'=46
+'try'=47
+'void'=48
+'volatile'=49
+'while'=50
+'module'=51
+'open'=52
+'requires'=53
+'exports'=54
+'opens'=55
+'to'=56
+'uses'=57
+'provides'=58
+'with'=59
+'transitive'=60
+'var'=61
+'yield'=62
+'record'=63
+'sealed'=64
+'permits'=65
+'non-sealed'=66
+'null'=77
+'('=78
+')'=79
+'{'=80
+'}'=81
+'['=82
+']'=83
+';'=84
+','=85
+'.'=86
+'='=87
+'>'=88
+'<'=89
+'!'=90
+'~'=91
+'?'=92
+':'=93
+'=='=94
+'<='=95
+'>='=96
+'!='=97
+'&&'=98
+'||'=99
+'++'=100
+'--'=101
+'+'=102
+'-'=103
+'*'=104
+'/'=105
+'&'=106
+'|'=107
+'^'=108
+'%'=109
+'+='=110
+'-='=111
+'*='=112
+'/='=113
+'&='=114
+'|='=115
+'^='=116
+'%='=117
+'<<='=118
+'>>='=119
+'>>>='=120
+'->'=121
+'::'=122
+'@'=123
+'...'=124

gen/Java17Parser.tokens

@@ -0,0 +1,242 @@
+ABSTRACT=1
+ASSERT=2
+BOOLEAN=3
+BREAK=4
+BYTE=5
+CASE=6
+CATCH=7
+CHAR=8
+CLASS=9
+CONST=10
+CONTINUE=11
+DEFAULT=12
+DO=13
+DOUBLE=14
+ELSE=15
+ENUM=16
+EXTENDS=17
+FINAL=18
+FINALLY=19
+FLOAT=20
+FOR=21
+IF=22
+GOTO=23
+IMPLEMENTS=24
+IMPORT=25
+INSTANCEOF=26
+INT=27
+INTERFACE=28
+LONG=29
+NATIVE=30
+NEW=31
+PACKAGE=32
+PRIVATE=33
+PROTECTED=34
+PUBLIC=35
+RETURN=36
+SHORT=37
+STATIC=38
+STRICTFP=39
+SUPER=40
+SWITCH=41
+SYNCHRONIZED=42
+THIS=43
+THROW=44
+THROWS=45
+TRANSIENT=46
+TRY=47
+VOID=48
+VOLATILE=49
+WHILE=50
+MODULE=51
+OPEN=52
+REQUIRES=53
+EXPORTS=54
+OPENS=55
+TO=56
+USES=57
+PROVIDES=58
+WITH=59
+TRANSITIVE=60
+VAR=61
+YIELD=62
+RECORD=63
+SEALED=64
+PERMITS=65
+NON_SEALED=66
+DECIMAL_LITERAL=67
+HEX_LITERAL=68
+OCT_LITERAL=69
+BINARY_LITERAL=70
+FLOAT_LITERAL=71
+HEX_FLOAT_LITERAL=72
+BOOL_LITERAL=73
+CHAR_LITERAL=74
+STRING_LITERAL=75
+TEXT_BLOCK=76
+NULL_LITERAL=77
+LPAREN=78
+RPAREN=79
+LBRACE=80
+RBRACE=81
+LBRACK=82
+RBRACK=83
+SEMI=84
+COMMA=85
+DOT=86
+ASSIGN=87
+GT=88
+LT=89
+BANG=90
+TILDE=91
+QUESTION=92
+COLON=93
+EQUAL=94
+LE=95
+GE=96
+NOTEQUAL=97
+AND=98
+OR=99
+INC=100
+DEC=101
+ADD=102
+SUB=103
+MUL=104
+DIV=105
+BITAND=106
+BITOR=107
+CARET=108
+MOD=109
+ADD_ASSIGN=110
+SUB_ASSIGN=111
+MUL_ASSIGN=112
+DIV_ASSIGN=113
+AND_ASSIGN=114
+OR_ASSIGN=115
+XOR_ASSIGN=116
+MOD_ASSIGN=117
+LSHIFT_ASSIGN=118
+RSHIFT_ASSIGN=119
+URSHIFT_ASSIGN=120
+ARROW=121
+COLONCOLON=122
+AT=123
+ELLIPSIS=124
+WS=125
+COMMENT=126
+LINE_COMMENT=127
+IDENTIFIER=128
+'abstract'=1
+'assert'=2
+'boolean'=3
+'break'=4
+'byte'=5
+'case'=6
+'catch'=7
+'char'=8
+'class'=9
+'const'=10
+'continue'=11
+'default'=12
+'do'=13
+'double'=14
+'else'=15
+'enum'=16
+'extends'=17
+'final'=18
+'finally'=19
+'float'=20
+'for'=21
+'if'=22
+'goto'=23
+'implements'=24
+'import'=25
+'instanceof'=26
+'int'=27
+'interface'=28
+'long'=29
+'native'=30
+'new'=31
+'package'=32
+'private'=33
+'protected'=34
+'public'=35
+'return'=36
+'short'=37
+'static'=38
+'strictfp'=39
+'super'=40
+'switch'=41
+'synchronized'=42
+'this'=43
+'throw'=44
+'throws'=45
+'transient'=46
+'try'=47
+'void'=48
+'volatile'=49
+'while'=50
+'module'=51
+'open'=52
+'requires'=53
+'exports'=54
+'opens'=55
+'to'=56
+'uses'=57
+'provides'=58
+'with'=59
+'transitive'=60
+'var'=61
+'yield'=62
+'record'=63
+'sealed'=64
+'permits'=65
+'non-sealed'=66
+'null'=77
+'('=78
+')'=79
+'{'=80
+'}'=81
+'['=82
+']'=83
+';'=84
+','=85
+'.'=86
+'='=87
+'>'=88
+'<'=89
+'!'=90
+'~'=91
+'?'=92
+':'=93
+'=='=94
+'<='=95
+'>='=96
+'!='=97
+'&&'=98
+'||'=99
+'++'=100
+'--'=101
+'+'=102
+'-'=103
+'*'=104
+'/'=105
+'&'=106
+'|'=107
+'^'=108
+'%'=109
+'+='=110
+'-='=111
+'*='=112
+'/='=113
+'&='=114
+'|='=115
+'^='=116
+'%='=117
+'<<='=118
+'>>='=119
+'>>>='=120
+'->'=121
+'::'=122
+'@'=123
+'...'=124

pom.xml

@@ -14,7 +14,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.2</version>
 			<scope>test</scope>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.antlr/antlr4 -->
@@ -26,7 +26,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.6</version>
+			<version>2.16.1</version>
 		</dependency>
 		<dependency>
 			<groupId>io.github.classgraph</groupId>
@@ -44,6 +44,23 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 			<artifactId>asm</artifactId>
 			<version>9.5</version>
 		</dependency>
+
+		<dependency>
+			<groupId>org.java-websocket</groupId>
+			<artifactId>Java-WebSocket</artifactId>
+			<version>1.5.2</version>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<version>1.7.25</version>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+			<version>2.17.2</version>
+		</dependency>
+
 	</dependencies>
 
 	<build>
@@ -54,8 +71,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 				<version>3.11.0</version>
 				<configuration>
 					<compilerArgs>--enable-preview</compilerArgs>
-                    <source>22</source>
-                    <target>22</target>
+                    <source>23</source>
+                    <target>23</target>
                 </configuration>
 			</plugin>
 			<plugin>
@@ -138,4 +155,4 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 			<url>file:///${project.basedir}/maven-repository/</url>
 		</repository>
 	</distributionManagement>
-</project>
+</project>

resources/AllgemeinTest/Bar.java

@@ -0,0 +1,10 @@
+public class Bar{
+
+    void visit(Object o){
+        System.out.println("Object");
+    }
+
+    void visit(Bla f){
+        System.out.println("Foo");
+    }
+}

resources/AllgemeinTest/Box.jav

@@ -1,8 +1,12 @@
-class Box<A> {
+public class Box {
 
-	A a;
+	a;
 
-	public Box(A a) {
-		this.a = a;
+	public Box() { }
+	public Box(a) {
+		//this.a = a;
+	}
+	set(x) {
+	  a = x;
 	}
 }

resources/AllgemeinTest/Foo.jav

@@ -0,0 +1,6 @@
+public class Foo{
+
+    public accept(Bar b){
+        b.visit(this);
+    }
+}

resources/bytecode/javFiles/Assign.jav

@@ -0,0 +1,15 @@
+import java.lang.Integer;
+
+public class Assign {
+    public x = 10;
+    public y = this;
+
+    public call() {
+        return this;
+    }
+
+    public m() {
+        this.call().call().y.x = 20;
+        return x;
+    }
+}

resources/bytecode/javFiles/Box.java

@@ -1,3 +0,0 @@
-class Box<A> {
-    void m(A a) { }
-}

resources/bytecode/javFiles/Bug343.jav

@@ -0,0 +1,2 @@
+public record Bug343() {
+}

resources/bytecode/javFiles/GenericRecord.jav

@@ -0,0 +1 @@
+public record GenericRecord<T>(T a) {}

resources/bytecode/javFiles/GenericRecordSwitchCase.jav

@@ -0,0 +1,24 @@
+import java.lang.String;
+import java.lang.Integer;
+
+sealed interface List permits LinkedElem, Elem {}
+
+
+public record LinkedElem<T>(T a,List l) implements List{}
+public record Elem<T>(T c) implements List{}
+
+public class GenericRecordSwitchCase {
+    public main(o) {
+         return switch(o) {
+                case LinkedElem(a, Elem(e)) -> a ;
+                case LinkedElem(a, LinkedElem(e, Elem(f))) -> a;
+         };
+    }
+}
+
+
+
+
+
+
+

resources/bytecode/javFiles/OverloadNestedPattern.jav

@@ -0,0 +1,20 @@
+import java.lang.Object;
+import java.lang.Integer;
+import java.lang.Float;
+
+public record R(Object nested) {}
+
+public class OverloadNestedPattern {
+
+    public Integer m(R(R(Integer a)), R(Integer b)) {
+        return 1;
+    }
+
+    public Integer m(R(R(Float a)), R(Float b)) {
+        return 2;
+    }
+
+    public Integer m(R(Integer a), R(Integer b)) {
+        return 3;
+    }
+}

resources/bytecode/javFiles/OverloadPattern.jav

@@ -2,15 +2,31 @@ import java.lang.Integer;
 import java.lang.Number;
 import java.lang.Float;
 
-record Point(Number x, Number y) {}
+public record Point(Number x, Number y) {}
 
 public class OverloadPattern {
-    public m(Point(Integer x, Integer y)) {
-        return x + y;
+    public Number m(Point(Integer x, Integer y), Point(Float a, Float b)) {
+        return 1;
     }
 
-    public m(Point(Float x, Float y)) {
-        return x * y;
+    public Number m(Point(Integer x, Integer y), Point(Integer a, Integer b)) {
+        return 2;
+    }
+
+    public Number m(Point(Float x, Float y), Point(Integer a, Integer b)) {
+        return 3;
+    }
+
+    public Number m(Point(Float x, Float y), Point(Float a, Float b)) {
+        return 4;
+    }
+
+    public Number m(Point(Integer x, Integer y)) {
+        return 5;
+    }
+
+    public Number m(Point(Float x, Float y)) {
+        return 6;
     }
 
     public m(Integer x) {

resources/bytecode/javFiles/PatternMatchingHaskellStyle.jav

@@ -0,0 +1,21 @@
+import java.lang.Boolean;
+
+sealed interface List<T> permits LinkedElem, Elem {}
+
+public record LinkedElem<T>(T a, List<T> l) implements List<T> {}
+public record Elem<T>(T a) implements List<T> {}
+
+public class PatternMatchingHaskellStyle {
+
+    public append(LinkedElem(a, b), list2) {
+        return handleAppend(a, b, list2);
+    }
+
+    private handleAppend(a, Elem(e), list2) {
+        return new LinkedElem<>(a, new LinkedElem<>(e, list2));
+    }
+
+    private handleAppend(a, LinkedElem(e,r), list2) {
+        return new LinkedElem<>(a, append(new LinkedElem(e, r), list2));
+    }
+}

resources/bytecode/javFiles/PatternMatchingListAppend.jav

@@ -0,0 +1,26 @@
+import java.lang.Boolean;
+import java.lang.Object;
+
+sealed interface List<T> permits Cons, Empty {}
+
+public record Cons<T>(T a, List<T> l) implements List<T> {}
+public record Empty<T>() implements List<T> {}
+
+public class PatternMatchingListAppend {
+
+    public append(Cons(a, b), list2) {
+        return new Cons<>(a, append(b, list2));
+    }
+
+    public append(Empty(), list2) {
+        return list2;
+    }
+
+    /*public append(a, list2) {
+        switch(a) {
+            case Cons(x, y) -> ...
+            case Empty() ->
+        }
+    }*/
+
+}

resources/bytecode/javFiles/PatternMatchingLiteralStyle.jav

@@ -0,0 +1,17 @@
+import java.lang.Integer;
+import java.lang.Double;
+import java.lang.Number;
+import java.lang.String;
+
+public record R(Number n) {}
+
+public class SwitchOverload {
+
+    public f(){}
+
+    public m(r) {
+        return switch(r) {
+            case R("test") -> f();
+        };
+    }
+}

resources/bytecode/javFiles/Scalar.jav

@@ -1,4 +1,4 @@
-import java.util.Vector;
+//import java.util.Vector;
 import java.lang.Integer;
 import java.lang.Float;
 //import java.lang.Byte;
@@ -12,15 +12,14 @@ public class Scalar extends Vector<Integer> {
 	while(i < v.size()) {
 	  this.add(v.elementAt(i));
           i=i+1;
-	} 
+	}
     }
-   
+
     public mul(v) {
         var ret = 0;
         var i = 0;
         while(i < size()) {
             ret = ret + this.elementAt(i) * v.elementAt(i);
-	    i = i+1;
          }
         return ret;
     }

resources/bytecode/javFiles/Switch.jav

@@ -11,7 +11,7 @@ public class Switch {
         case Rec(Integer a, Float b) -> a + 10;
         case Rec(Integer a, Rec(Integer b, Integer c)) -> a + b + c;
         case Integer i -> i;
-        default -> 0;
+        //default -> 0;
         };
     }
 }

resources/bytecode/javFiles/SwitchAppend.jav

@@ -0,0 +1,16 @@
+sealed interface List<T> permits LinkedElem, Elem {}
+
+public record LinkedElem<T>(T a, List<T> l) implements List<T> {}
+public record Elem<T>(T a) implements List<T> {}
+
+public class SwitchAppend {
+   public append(l1, l2) {
+       return switch(l1) {
+           case LinkedElem(a, Elem(e)) -> new LinkedElem<>(a, new LinkedElem<>(e, l2));
+           case LinkedElem(a, r) -> new LinkedElem<>(a, append(r, l2));
+           //Alternativ:
+	       //case LinkedElem(a, LinkedElem(e, r)) -> new LinkedElem<>(a, append(new LinkedElem(e, r), l2));
+           //default -> null;
+       };
+   }
+}

resources/bytecode/javFiles/SwitchCaseHeritageDetection.jav

@@ -0,0 +1,22 @@
+import java.lang.Integer;
+import java.lang.Object;
+import java.lang.Float;
+import java.lang.String;
+
+public class NumberOrText{}
+public class Text extends NumberOrText{};
+public class Number extends NumberOrText{};
+
+
+public record Cons(Integer a, NumberOrText l){}
+
+
+public class SwitchCaseHeritageDetection {
+    public main(o) {
+         return switch(o) {
+                case Cons(a, Text b) -> "Second Element is a Text";
+                case Cons(a, Number b) -> "Second Element is a Number";
+                default -> "None of the above cases";
+         };
+    }
+}

resources/bytecode/javFiles/SwitchInfered.jav

@@ -0,0 +1,17 @@
+import java.lang.Integer;
+import java.lang.Object;
+import java.lang.Float;
+import java.lang.String;
+
+public record Rec(Object a, Object b) {}
+
+
+
+public class SwitchInfered {
+    public main(o) {
+        return switch (o) {
+        case Rec(a, b) -> "asd";
+        default -> "cde";
+        };
+    }
+}

resources/bytecode/javFiles/SwitchNestedValue.jav

@@ -0,0 +1,14 @@
+import java.lang.Object;
+import java.lang.Integer;
+
+public record R(Integer i) {}
+
+public class SwitchNestedValue {
+    public main(r) {
+        return switch(r) {
+            case R(10) -> 1;
+            case R(20) -> 2;
+            case R(i) -> 3;
+        };
+    }
+}

resources/bytecode/javFiles/SwitchOverload.jav

@@ -0,0 +1,21 @@
+import java.lang.Integer;
+import java.lang.Double;
+import java.lang.Number;
+
+public record R(Number n) {}
+
+public class SwitchOverload {
+
+    Number f(Double d) { return d * 2; }
+    Number f(Integer i) { return i * 5; }
+
+    public m(r, x) {
+        x = x + x;
+        return switch(r) {
+            case R(o) -> {
+                x = x + x;
+                yield f(o);
+            }
+        };
+    }
+}

resources/bytecode/javFiles/SwitchRecordList.jav

@@ -0,0 +1,27 @@
+import java.lang.Integer;
+import java.lang.Object;
+import java.lang.Float;
+import java.lang.String;
+
+sealed interface List permits LinkedElem, Elem {}
+
+
+public record LinkedElem(Integer a,List l) implements List{} //Implementiert List und wird auch permittet
+public record Elem(Integer c) implements List{} //Implementiert List, wird aber nicht permittet
+
+public class SwitchCaseHeritageDetection {
+    public main(o) {
+         return switch(o) {
+                case LinkedElem(a, Elem(e)) -> a + e;
+                case LinkedElem(a, LinkedElem(e, Elem(f))) -> a + e + f;
+                default -> 0;
+         };
+    }
+}
+
+
+
+
+
+
+

resources/bytecode/javFiles/Y.jav

@@ -2,41 +2,21 @@ import java.lang.Integer;
 
 public class Y {
     y;
-    //factorial;
-
     public Y() {
-		y =  f -> t -> f.apply(y.apply(f)).apply(t);
-		//factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
-    }
-  /*  
-    getY() {
-      return y;
-    }
-    */
-}
-/*
-class fac1 {
-    factorial;
-
-    fac1() {
-      var y;
-	  y = new Y<Integer,Integer,Integer,Integer,Integer>().getY();
-	  factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
+		y = f -> t -> f.apply(y.apply(f)).apply(t);
     }
 }
 
-ergibt Parse-Error
-class fac1 {
-    factorial;
-
-    fac1() {
+public class Fac1 {
+    public factorial;
+    public Fac1() {
     	var y;
-		y = new Y<>().y;
+    	var tmp = new Y<>(); // TODO Having new Y<>().y on one line doesn't work, see FIXME in StatementGenerator
+		y = tmp.y;
 		factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
     }
-     public static void main(String args[]) {
-		System.out.println(new fac1().factorial.apply(3));
+
+    public fac(v) {
+        return factorial.apply(v);
     }
- 
-}
-*/
+}

server-tests/.gitignore

@@ -0,0 +1,2 @@
+out
+outputs

server-tests/Lambda.jav

@@ -0,0 +1,13 @@
+
+class Apply { }
+
+public class Lambda {
+
+  m () {
+   var lam1 = (x) -> {
+        return x;
+   };
+   return lam1.apply(new Apply());
+  }
+}
+

server-tests/Matrix.jav

@@ -0,0 +1,28 @@
+import java.util.Vector;
+import java.lang.Integer;
+
+class Matrix extends Vector<Vector<Integer>> {
+	Integer mul1(Integer x, Integer y) { return x;}
+	Integer add1(Integer x, Integer y) { return x;}
+    mul(m) {
+        var ret = new Matrix();
+        var i = 0;
+        while(i < size()) {
+            var v1 = this.elementAt(i);
+            var v2 = new Vector<Integer>();
+            var j = 0;
+            while(j < v1.size()) {
+                var erg = 0;
+                var k = 0;
+                while(k < v1.size()) {
+                  erg = erg + v1.elementAt(k) * m.elementAt(k).elementAt(j);
+                  //erg = add1(erg, mul1(v1.elementAt(k),
+                  //           m.elementAt(k).elementAt(j)));
+                    k++; }
+                v2.addElement(new Integer(erg));
+                j++; }
+            ret.addElement(v2);
+            i++; }
+        return ret;
+    }
+}

server-tests/SomeList.jav

@@ -0,0 +1,25 @@
+import java.util.Vector;
+import java.lang.Integer;
+
+class SomeEvenMoreAbstractList<A, B> extends Vector<A> {
+}
+
+class SomeAbstractList<A, B> extends SomeEvenMoreAbstractList<A, B> {
+}
+
+class SomeList extends SomeAbstractList<Integer, Integer> {
+
+    mul(otherList) {
+        var result = new SomeList();
+
+        var i = 0;
+        while (i < 4) {
+            i++;
+            var a = this.elementAt(i);
+            var b = otherList.elementAt(i);
+            result.addElement(a * b);
+        }
+
+        return result;
+    }
+}

server-tests/_runClient.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# build the compiler if -c is set
+if [[ "${@,,}" == *"-c"* ]]; then
+  (cd .. && make || exit)
+fi
+
+# a very small and short running example
+# JAV_FILE="Lambda.jav"
+
+# a medium and average running example
+JAV_FILE="SomeList.jav"
+
+# a very large and long running example
+# JAV_FILE="Matrix.jav"
+
+
+# remove old generated files and run the compiler
+rm -rf ./out/client
+mkdir -p ./out/client \
+  && java -jar ../target/JavaTXcompiler-0.1-jar-with-dependencies.jar -d ./out/client $JAV_FILE

server-tests/_runServer.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# build the compiler if -c is set
+if [[ "${@,,}" == *"-c"* ]]; then
+  (cd .. && make || exit)
+fi
+
+# remove old generated files
+rm -rf ./out/server
+
+# run the server
+mkdir -p ./out/server && java -jar ../target/JavaTXcompiler-0.1-jar-with-dependencies.jar -d ./out/server -server 5000

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

@@ -654,14 +654,17 @@ primaryPattern
     : typePattern  #tPattern
     | recordPattern  #rPattern
     | '(' pattern ')'  #enclosedPattern
+    | literal (',' literal)* #lPattern
     ;
 
 recordPattern
     : typeType recordStructurePattern identifier?
+    //| recordStructurePattern identifier?
     ;
 
 typePattern
     : variableModifier* typeType identifier
+    | variableModifier* identifier
     ;
 
 recordStructurePattern
@@ -717,10 +720,10 @@ switchLabeledRule
     ;
 
 switchLabelCase
-    : CASE expressionList (ARROW | COLON) #labeledRuleExprList
-    | CASE NULL_LITERAL (ARROW | COLON) #labeledRuleNull
+    : CASE NULL_LITERAL (ARROW | COLON) #labeledRuleNull
     | CASE pattern (ARROW | COLON) #labeledRulePattern
     | DEFAULT (ARROW | COLON) #labeledRuleDefault
+    | CASE expressionList (ARROW | COLON) #labeledRuleExprList
     ;
 
 // Java20

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

@@ -2,14 +2,9 @@ package de.dhbwstuttgart.bytecode;
 
 import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.Pattern;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.target.generate.ASTToTargetAST;
-import de.dhbwstuttgart.target.generate.StatementToTargetExpression;
 import de.dhbwstuttgart.target.tree.*;
 import de.dhbwstuttgart.target.tree.expression.*;
 import de.dhbwstuttgart.target.tree.type.*;
@@ -18,11 +13,10 @@ import org.objectweb.asm.*;
 import java.lang.invoke.*;
 import java.lang.reflect.Modifier;
 import java.util.*;
-import java.util.stream.IntStream;
 
-import static org.objectweb.asm.Opcodes.*;
 import static de.dhbwstuttgart.target.tree.expression.TargetBinaryOp.*;
 import static de.dhbwstuttgart.target.tree.expression.TargetLiteral.*;
+import static org.objectweb.asm.Opcodes.*;
 
 public class Codegen {
     private final TargetStructure clazz;
@@ -108,6 +102,10 @@ public class Codegen {
             this.scope = this.scope.parent;
         }
 
+        LocalVar createVariable(TargetType type) {
+            return createVariable("__var" + this.localCounter, type);
+        }
+
         LocalVar createVariable(String name, TargetType type) {
             var local = new LocalVar(localCounter, name, type);
             scope.add(local);
@@ -1294,8 +1292,7 @@ public class Codegen {
         state.enterScope();
         // This is the index to start the switch from
         mv.visitInsn(ICONST_0);
-        if (aSwitch.isExpression())
-            state.pushSwitch();
+        state.pushSwitch();
 
         // To be able to skip ahead to the next case
         var start = new Label();
@@ -1309,16 +1306,17 @@ public class Codegen {
         var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, Object[].class);
         var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/runtime/SwitchBootstraps", "typeSwitch", mt.toMethodDescriptorString(), false);
 
-        var types = new ArrayList<Object>(aSwitch.cases().size());
+        var types = new ArrayList<>(aSwitch.cases().size());
         for (var cse : aSwitch.cases()) for (var label : cse.labels()) {
-            if (label instanceof TargetTypePattern || label instanceof TargetComplexPattern)
-                types.add(Type.getObjectType(label.type().getInternalName()));
-            else if (label instanceof TargetLiteral lit)
+            if (label instanceof TargetTypePattern || label instanceof TargetComplexPattern) {
+                if (label.type() instanceof TargetGenericType) types.add(Type.getType(Object.class));
+                else types.add(Type.getObjectType(label.type().getInternalName()));
+            } else if (label instanceof TargetLiteral lit) {
                 types.add(lit.value());
-            else if (label instanceof TargetGuard guard)
+            } else if (label instanceof TargetGuard guard) {
                 types.add(Type.getObjectType(guard.inner().type().getInternalName()));
-            // TODO Same here we need to evaluate constant;
-            else {
+                // TODO Same here we need to evaluate constant;
+            } else {
                 System.out.println(label);
                 throw new NotImplementedException();
             }
@@ -1339,11 +1337,7 @@ public class Codegen {
             }
         }
 
-        var defaultLabel = end;
-        if (aSwitch.default_() != null) {
-            defaultLabel = new Label();
-        }
-
+        var defaultLabel = new Label();
         mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);
 
         for (var i = 0; i < aSwitch.cases().size(); i++) {
@@ -1378,11 +1372,18 @@ public class Codegen {
             if (aSwitch.isExpression()) mv.visitJumpInsn(GOTO, end);
         }
 
+        mv.visitLabel(defaultLabel);
         if (aSwitch.default_() != null) {
-            mv.visitLabel(defaultLabel);
             generate(state, aSwitch.default_().body());
             if (aSwitch.default_().isSingleExpression() && aSwitch.isExpression())
                 yieldValue(state, aSwitch.default_().body().statements().get(0).type());
+        } else {
+            // throw illegal argument exception on missing default case
+            mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
+            mv.visitInsn(DUP);
+            mv.visitLdcInsn("Unhandled case value");
+            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V", false);
+            mv.visitInsn(ATHROW);
         }
 
         mv.visitLabel(end);
@@ -1390,8 +1391,10 @@ public class Codegen {
 
         state.breakStack.pop();
         if (aSwitch.isExpression()) {
-            mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
-            unboxPrimitive(state, aSwitch.type());
+            if (aSwitch.type() != null) {
+                mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
+                unboxPrimitive(state, aSwitch.type());
+            }
             state.popSwitch();
         }
 
@@ -1402,30 +1405,50 @@ public class Codegen {
         if (i >= clazz.getFieldDecl().size())
             throw new CodeGenException("Couldn't find suitable field accessor for '" + type.name() + "'");
         var field = clazz.getFieldDecl().get(i);
-        var fieldType = new TargetRefType(((RefType) field.getType()).getName().toString());
-        state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toDescriptor(), false);
+        var fieldType = converter.convert(field.getType());
+        state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toSignature(), false);
     }
 
     private void bindPattern(State state, TargetType type, TargetPattern pat, Label start, int index, int depth) {
         if (pat.type() instanceof TargetPrimitiveType)
             boxPrimitive(state, pat.type());
 
-        state.mv.visitInsn(DUP);
-        state.mv.visitTypeInsn(INSTANCEOF, pat.type().getInternalName());
+        if (pat.type() instanceof TargetRefType) {
+            state.mv.visitInsn(DUP);
+            state.mv.visitTypeInsn(INSTANCEOF, pat.type().getInternalName());
 
-        var cont = new Label();
-        state.mv.visitJumpInsn(IFNE, cont);
-        for (var i = 0; i < depth; i++) {
-            state.mv.visitInsn(POP);
+            var cont = new Label();
+            state.mv.visitJumpInsn(IFNE, cont);
+            for (var i = 0; i < depth; i++) {
+                state.mv.visitInsn(POP);
+            }
+
+            state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
+            state.mv.visitLdcInsn(index + 1);
+            state.mv.visitJumpInsn(GOTO, start);
+            state.mv.visitLabel(cont);
+
+            state.mv.visitTypeInsn(CHECKCAST, pat.type().getInternalName());
         }
-        state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
-        state.mv.visitLdcInsn(index + 1);
-        state.mv.visitJumpInsn(GOTO, start);
-        state.mv.visitLabel(cont);
 
-        state.mv.visitTypeInsn(CHECKCAST, pat.type().getInternalName());
+        if (pat instanceof TargetExpressionPattern ep) {
+            var cur = state.createVariable(pat.type());
+            state.mv.visitVarInsn(ASTORE, cur.index);
 
-        if (pat instanceof TargetTypePattern sp) {
+            var expr = new Equal(pat.type(), new TargetLocalVar(cur.type, cur.name), ep.expression());
+            generate(state, expr);
+
+            var cont = new Label();
+            state.mv.visitJumpInsn(IFNE, cont);
+            for (var i = 0; i < depth - 1; i++) {
+                state.mv.visitInsn(POP);
+            }
+
+            state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
+            state.mv.visitLdcInsn(index + 1);
+            state.mv.visitJumpInsn(GOTO, start);
+            state.mv.visitLabel(cont);
+        } else if (pat instanceof TargetTypePattern sp) {
             var local = state.createVariable(sp.name(), sp.type());
             state.mv.visitVarInsn(ASTORE, local.index);
         } else if (pat instanceof TargetComplexPattern cp) {
@@ -1440,10 +1463,27 @@ public class Codegen {
             // TODO Check if class is a Record
 
             for (var i = 0; i < cp.subPatterns().size(); i++) {
-                state.mv.visitInsn(DUP);
-
                 var subPattern = cp.subPatterns().get(i);
+
+                state.mv.visitInsn(DUP);
                 extractField(state, cp.type(), i, clazz);
+
+                if (subPattern.type() instanceof TargetRefType || subPattern.type() instanceof TargetExtendsWildcard) {
+                    state.mv.visitInsn(DUP);
+                    state.mv.visitTypeInsn(INSTANCEOF, subPattern.type().getInternalName());
+
+                    var cont = new Label();
+                    state.mv.visitJumpInsn(IFNE, cont);
+                    for (var j = 0; j < depth + 1; j++) {
+                        state.mv.visitInsn(POP);
+                    }
+
+                    state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
+                    state.mv.visitLdcInsn(index + 1);
+                    state.mv.visitJumpInsn(GOTO, start);
+                    state.mv.visitLabel(cont);
+                }
+
                 bindPattern(state, subPattern.type(), subPattern, start, index, depth + 1);
             }
             state.mv.visitInsn(POP);
@@ -1490,7 +1530,7 @@ public class Codegen {
         MethodVisitor mv = cw.visitMethod(constructor.access(), "<init>", constructor.getDescriptor(), constructor.getSignature(), null);
         if (constructor.txGenerics() != null)
             mv.visitAttribute(new JavaTXSignatureAttribute(constructor.getTXSignature()));
-        
+
         mv.visitCode();
         var state = new State(null, mv, 1);
         for (var param : constructor.parameters()) {
@@ -1516,29 +1556,27 @@ public class Codegen {
         mv.visitEnd();
     }
 
-    private int bindLocalVariables(State state, TargetPattern pattern, int offset, int field) {
-        if (pattern instanceof TargetComplexPattern cp) {
-            state.mv.visitVarInsn(ALOAD, offset);
+    private void bindLocalVariables(State state, TargetComplexPattern cp, int offset) {
+        state.mv.visitVarInsn(ALOAD, offset);
 
-            var clazz = findClass(new JavaClassName(cp.type().name()));
-            if (clazz == null) throw new CodeGenException("Class definition for '" + cp.type().name() + "' not found");
+        var clazz = findClass(new JavaClassName(cp.type().name()));
+        if (clazz == null) throw new CodeGenException("Class definition for '" + cp.type().name() + "' not found");
 
-            for (var i = 0; i < cp.subPatterns().size(); i++) {
-                var subPattern = cp.subPatterns().get(i);
+        for (var i = 0; i < cp.subPatterns().size(); i++) {
+            var subPattern = cp.subPatterns().get(i);
 
-                if (i < cp.subPatterns().size() - 1)
-                    state.mv.visitInsn(DUP);
+            if (i < cp.subPatterns().size() - 1)
+                state.mv.visitInsn(DUP);
 
-                extractField(state, cp.type(), i, clazz);
+            extractField(state, cp.type(), i, clazz);
+            if (subPattern.type() instanceof TargetRefType)
                 state.mv.visitTypeInsn(CHECKCAST, subPattern.type().getInternalName());
-                state.mv.visitVarInsn(ASTORE, offset);
-                offset = bindLocalVariables(state, subPattern, offset, i);
+            offset = state.createVariable(subPattern.name(), subPattern.type()).index;
+            state.mv.visitVarInsn(ASTORE, offset);
+            if (subPattern instanceof TargetComplexPattern cp2) {
+                bindLocalVariables(state, cp2, offset);
             }
-        } else if (pattern instanceof TargetTypePattern tp) {
-            offset++;
-            state.createVariable(tp.name(), tp.type());
-        } else throw new NotImplementedException();
-        return offset;
+        }
     }
 
     private void generateMethod(TargetMethod method) {
@@ -1557,8 +1595,14 @@ public class Codegen {
         if (method.block() != null) {
             mv.visitCode();
             var state = new State(method.signature().returnType(), mv, method.isStatic() ? 0 : 1);
+            var offset = 1;
             for (var param : method.signature().parameters()) {
-                bindLocalVariables(state, param.pattern(), 1, 0);
+                state.createVariable(param.pattern().name(), param.pattern().type());
+            }
+            for (var param : method.signature().parameters()) {
+                if (param.pattern() instanceof TargetComplexPattern cp)
+                    bindLocalVariables(state, cp, offset);
+                offset++;
             }
             generate(state, method.block());
             if (method.signature().returnType() == null)
@@ -1593,13 +1637,26 @@ public class Codegen {
         if (!(clazz instanceof TargetInterface))
             access |= ACC_SUPER;
 
+        // Check sealed
+        for (var intf : clazz.implementingInterfaces()) {
+            var intfClass = compiler.getClass(new JavaClassName(intf.name()));
+            if (intfClass.isSealed()) {
+                if (intfClass.getPermittedSubtypes().stream().noneMatch(type -> type.getName().equals(new JavaClassName(className)))) {
+                    throw new CodeGenException("Sealed interface " + intfClass.getClassName() + " doesn't permit class " + className);
+                }
+            }
+        }
+
         var signature = generateSignature(clazz, clazz.generics());
         var interfaces = clazz.implementingInterfaces().stream().map(TargetType::getInternalName).toArray(String[]::new);
         var superType = clazz.superType() != null ? clazz.superType().getInternalName() : "java/lang/Object";
 
         cw.visit(V1_8, access, clazz.qualifiedName().toString().replaceAll("\\.", "/"), signature, superType, interfaces);
-        if (clazz.txGenerics() != null && signature != null)
-            cw.visitAttribute(new JavaTXSignatureAttribute(generateSignature(clazz, clazz.txGenerics())));
+        if (clazz.txGenerics() != null && signature != null) {
+            var txSignature = generateSignature(clazz, clazz.txGenerics());
+            if (txSignature != null)
+                cw.visitAttribute(new JavaTXSignatureAttribute(txSignature));
+        }
 
         clazz.fields().forEach(this::generateField);
         clazz.constructors().forEach(this::generateConstructor);
@@ -1720,7 +1777,7 @@ public class Codegen {
         bootstrapArgs[1] = String.join(";", clazz.fields().stream().map(TargetField::name).toArray(String[]::new));
         for (var i = 0; i < clazz.fields().size(); i++) {
             var field = clazz.fields().get(i);
-            var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toDescriptor(), false);
+            var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toSignature(), false);
             bootstrapArgs[i + 2] = fieldRef;
         }
 

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

@@ -1,11 +1,13 @@
 package de.dhbwstuttgart.bytecode;
 
+import de.dhbwstuttgart.syntaxtree.statement.Break;
 import de.dhbwstuttgart.target.tree.TargetGeneric;
 import de.dhbwstuttgart.target.tree.type.*;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Type;
 
+import java.sql.Array;
 import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -35,19 +37,33 @@ public class FunNGenerator {
         public List<TargetType> parameters = new ArrayList<>();
         final String descriptor;
         public final List<TargetType> inParams;
+        public final List<TargetType> realParams;
 
         public GenericParameters(List<TargetType> params, int numReturns) {
-            this.inParams = params;
+            this.realParams = params;
+            this.inParams = flattenTypeParams(params);
             var type = new TargetRefType(FunNGenerator.getSuperClassName(params.size() - 1, numReturns), params);
             descriptor = applyDescriptor(type, this);
         }
 
+        private static List<TargetType> flattenTypeParams(List<TargetType> params) {
+            var res = new ArrayList<TargetType>();
+            for (var param : params) {
+                if (param instanceof TargetSpecializedType tspec) {
+                    res.addAll(flattenTypeParams(tspec.params()));
+                } else {
+                    res.add(param);
+                }
+            }
+            return res;
+        }
+
         public TargetType getReturnType() {
-            return FunNGenerator.getReturnType(inParams);
+            return FunNGenerator.getReturnType(realParams);
         }
 
         public List<TargetType> getArguments() {
-            return FunNGenerator.getArguments(inParams);
+            return FunNGenerator.getArguments(realParams);
         }
     }
 
@@ -162,7 +178,7 @@ public class FunNGenerator {
     }
 
     public static String getSpecializedClassName(GenericParameters gep) {
-        return getSpecializedClassName(getArguments(gep.inParams), getReturnType(gep.inParams));
+        return getSpecializedClassName(gep.getArguments(), gep.getReturnType());
     }
 
     public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) {

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

@@ -5,41 +5,72 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintStream;
 import java.util.*;
-public class ConsoleInterface {
-	private static final String directory = System.getProperty("user.dir");
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
 
-	public static void main(String[] args) throws IOException, ClassNotFoundException {
-		List<File> input = new ArrayList<>();
-		List<File> classpath = new ArrayList<>();
+public class ConsoleInterface {
+    private static final String directory = System.getProperty("user.dir");
+
+    public static void main(String[] args) throws IOException, ClassNotFoundException {
+        List<File> input = new ArrayList<>();
+        List<File> classpath = new ArrayList<>();
         String outputPath = null;
-		Iterator<String> it = Arrays.asList(args).iterator();
-        if(args.length == 0){
+        int runAsServerWithPort = -1;
+        String unificationServer = null;
+
+        Iterator<String> it = Arrays.asList(args).iterator();
+        if (args.length == 0) {
             System.out.println("No input files given. Get help with --help");
             System.exit(1);
-        }else if(args.length == 1 && args[0].equals("--help")){
+        } else if (args.length == 1 && args[0].equals("--help")) {
             System.out.println("Usage: javatx [OPTION]... [FILE]...\n" +
                     "\t-cp\tSet Classpath\n" +
-                    "\t-d\tSet destination directory");
+                    "\t-d\tSet destination directory\n" +
+                    "\t-s\tRun the compiler in server mode and listen for incoming requests on the given port\n" +
+                    "\t-us\tSet the address of a remote server for the unification process"
+            );
             System.exit(1);
         }
-		while(it.hasNext()){
+        while (it.hasNext()) {
             String arg = it.next();
-            if(arg.equals("-d")){
+            if (arg.equals("-d")) {
                 outputPath = it.next();
-            }else if(arg.startsWith("-d")) {
+            }
+            else if (arg.startsWith("-d")) {
                 outputPath = arg.substring(2);
-            }else if(arg.equals("-cp") || arg.equals("-classpath")){
+            }
+            else if (arg.equals("-cp") || arg.equals("-classpath")) {
                 String[] cps = it.next().split(":");
-                for(String cp : cps){
+                for (String cp : cps) {
                     classpath.add(new File(cp));
                 }
-            }else{
+            }
+            else if (arg.equals("-s") || arg.equals("-server")) {
+                if (unificationServer != null) {
+                    throw new IllegalArgumentException("Cannot run in server-Mode and use unification server at the same time");
+                }
+                runAsServerWithPort = Integer.parseInt(it.next());
+            }
+            else if (arg.equals("-us") || arg.equals("-unification-server")) {
+                if (runAsServerWithPort != -1) {
+                    throw new IllegalArgumentException("Cannot run in server-Mode and use unification server at the same time");
+                }
+                unificationServer = it.next();
+            } else {
                 input.add(new File(arg));
             }
         }
-		JavaTXCompiler compiler = new JavaTXCompiler(input, classpath, outputPath != null ? new File(outputPath) : null);
-		//compiler.typeInference();
-		compiler.generateBytecode();
+
+        if (runAsServerWithPort != -1) {
+            JavaTXServer server = new JavaTXServer(runAsServerWithPort);
+        }
+        else {
+            JavaTXCompiler compiler = new JavaTXCompiler(input, classpath, outputPath != null ? new File(outputPath) : null);
+            //compiler.typeInference();
+            compiler.generateBytecode();
+        }
 	}
 
 

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

@@ -12,6 +12,7 @@ import de.dhbwstuttgart.parser.SyntaxTreeGenerator.SyntaxTreeGenerator;
 import de.dhbwstuttgart.parser.antlr.Java17Parser.SourceFileContext;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
+import de.dhbwstuttgart.server.SocketClient;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
@@ -30,24 +31,19 @@ import de.dhbwstuttgart.syntaxtree.type.TypeVisitor;
 import de.dhbwstuttgart.syntaxtree.visual.ASTTypePrinter;
 import de.dhbwstuttgart.target.generate.ASTToTargetAST;
 import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.typeinference.TypeInference;
+import de.dhbwstuttgart.typeinference.TypeInferenceHelper;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
 import de.dhbwstuttgart.typeinference.constraints.Pair;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
 import de.dhbwstuttgart.typeinference.typeAlgo.TYPE;
-import de.dhbwstuttgart.typeinference.unify.RuleSet;
-import de.dhbwstuttgart.typeinference.unify.TypeUnify;
-import de.dhbwstuttgart.typeinference.unify.distributeVariance;
+import de.dhbwstuttgart.typeinference.unify.*;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultListener;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultListenerImpl;
-import de.dhbwstuttgart.typeinference.unify.UnifyResultModel;
-import de.dhbwstuttgart.typeinference.unify.UnifyTaskModel;
 
 import java.io.*;
 import java.lang.reflect.Modifier;
@@ -57,6 +53,7 @@ import java.util.Map.Entry;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import de.dhbwstuttgart.util.Logger;
 import org.apache.commons.io.output.NullOutputStream;
 
 public class JavaTXCompiler {
@@ -64,11 +61,12 @@ public class JavaTXCompiler {
 	// public static JavaTXCompiler INSTANCE;
 	final CompilationEnvironment environment;
 	Boolean resultmodel = true;
+    Optional<String> unificationServer = Optional.empty();
     public final Map<File, SourceFile> sourceFiles = new HashMap<>();
 
-    Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
-    public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
-    public final DirectoryClassLoader classLoader;
+    Boolean log = false; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
+	public UnifyTaskModelParallel usedTasks = new UnifyTaskModelParallel();
+	public final DirectoryClassLoader classLoader;
 
 	public final List<File> classPath;
 	private final File outputPath;
@@ -282,7 +280,7 @@ public class JavaTXCompiler {
 	 * x.getRhsType().accept(new distributeVariance(), a.getVariance());}); eq1 = new HashSet<>(eq); eq1.removeIf(x -> !(x.getRhsType() instanceof PlaceholderType && ((PlaceholderType)x.getRhsType()).equals(a))); eq1.stream().forEach(x -> { x.getLhsType().accept(new distributeVariance(), a.getVariance());}); phSetVariance = new ArrayList<>(phSet); phSetVariance.removeIf(x -> (x.getVariance() == 0 || usedTPH.contains(x))); } }
 	 */
 
-	public UnifyResultModel typeInferenceAsync(UnifyResultListener resultListener, Writer logFile) throws ClassNotFoundException, IOException {
+	public UnifyResultModelParallel typeInferenceAsync(UnifyResultListener resultListener, Writer logFile) throws ClassNotFoundException, IOException {
 		List<ClassOrInterface> allClasses = new ArrayList<>();// environment.getAllAvailableClasses();
 		// Alle Importierten Klassen in allen geparsten Sourcefiles kommen ins FC
 		for (Entry<File, SourceFile> source : this.sourceFiles.entrySet()) {
@@ -298,13 +296,17 @@ public class JavaTXCompiler {
 		}
 
 		Set<Set<UnifyPair>> results = new HashSet<>();
-		UnifyResultModel urm = null;
+		UnifyResultModelParallel urm = null;
 		// urm.addUnifyResultListener(resultListener);
 		try {
-			logFile = logFile == null ? new FileWriter(new File("log_" + sourceFiles.keySet().iterator().next().getName())) : logFile;
-			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses, logFile, getClassLoader(), this);
+			Logger logger = new Logger(true, "log_" + sourceFiles.keySet().iterator().next().getName());
+			if (logFile == null) {
+				logFile = logger.getLogFileWriter();
+			}
+
+			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses, logger, getClassLoader(), this);
 			System.out.println(finiteClosure);
-			urm = new UnifyResultModel(cons, finiteClosure);
+			urm = new UnifyResultModelParallel(cons, finiteClosure);
 			urm.addUnifyResultListener(resultListener);
 			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(this, cons);
 
@@ -327,74 +329,6 @@ public class JavaTXCompiler {
 				logFile.write(ASTTypePrinter.print(f));
 			}
 			logFile.flush();
-
-			Set<String> methodParaTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			}, (a, b) -> {
-				a.addAll(b);
-				return a;
-			})).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			});
-
-			Set<String> constructorParaTypeVarNames = allClasses.stream().map(x -> x.getConstructors().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			}, (a, b) -> {
-				a.addAll(b);
-				return a;
-			})).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			});
-
-			Set<String> paraTypeVarNames = methodParaTypeVarNames;
-			paraTypeVarNames.addAll(constructorParaTypeVarNames);
-
-			Set<String> returnTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
-				a.addAll(b);
-				return a;
-			}).get();
-
-			Set<String> fieldTypeVarNames = allClasses.stream().map(x -> x.getFieldDecl().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
-				a.addAll(b);
-				return a;
-			}).get();
-
-			returnTypeVarNames.addAll(fieldTypeVarNames);
-
-			unifyCons = unifyCons.map(x -> {
-				// Hier muss ueberlegt werden, ob
-				// 1. alle Argument- und Retuntyp-Variablen in allen UnifyPairs
-				// mit disableWildcardtable() werden.
-				// 2. alle Typvariablen mit Argument- oder Retuntyp-Variablen
-				// in Beziehung auch auf disableWildcardtable() gesetzt werden muessen
-				// PL 2018-04-23
-				if ((x.getLhsType() instanceof PlaceholderType)) {
-					if (paraTypeVarNames.contains(x.getLhsType().getName())) {
-						((PlaceholderType) x.getLhsType()).setVariance((byte) 1);
-						((PlaceholderType) x.getLhsType()).disableWildcardtable();
-					}
-					if (returnTypeVarNames.contains(x.getLhsType().getName())) {
-						((PlaceholderType) x.getLhsType()).setVariance((byte) -1);
-						((PlaceholderType) x.getLhsType()).disableWildcardtable();
-					}
-				}
-				if ((x.getRhsType() instanceof PlaceholderType)) {
-					if (paraTypeVarNames.contains(x.getRhsType().getName())) {
-						((PlaceholderType) x.getRhsType()).setVariance((byte) 1);
-						((PlaceholderType) x.getRhsType()).disableWildcardtable();
-					}
-					if (returnTypeVarNames.contains(x.getRhsType().getName())) {
-						((PlaceholderType) x.getRhsType()).setVariance((byte) -1);
-						((PlaceholderType) x.getRhsType()).disableWildcardtable();
-					}
-				}
-				return x;// HIER DIE JEWEILS RECHT BZW. LINKE SEITE AUF GLEICHE VARIANZ SETZEN WIE DIE
-				// JEWEILS ANDERE SEITE
-			});
 			Set<PlaceholderType> varianceTPHold;
 			Set<PlaceholderType> varianceTPH = new HashSet<>();
 			varianceTPH = varianceInheritanceConstraintSet(unifyCons);
@@ -418,6 +352,12 @@ public class JavaTXCompiler {
 	}
 
 	public List<ResultSet> typeInference(File file) throws ClassNotFoundException, IOException {
+
+		// START create logger
+		Logger logger = new Logger(log, "log_" + sourceFiles.keySet().iterator().next().getName());
+		// END create logger
+
+		// START gather classes and interfaces
 		var sf = sourceFiles.get(file);
 		Set<ClassOrInterface> allClasses = new HashSet<>();// environment.getAllAvailableClasses();
 		allClasses.addAll(getAvailableClasses(sf));
@@ -430,183 +370,56 @@ public class JavaTXCompiler {
 			if (allClasses.stream().noneMatch(old -> old.getClassName().equals(clazz.getClassName())))
 				allClasses.add(clazz);
 		}
+		logger.write(ASTTypePrinter.print(sf));
+		// END gather classes and interfaces
 
-		final ConstraintSet<Pair> cons = getConstraints(file);
-		Set<Set<UnifyPair>> results = new HashSet<>();
-		try {
-			var logFolder = new File(System.getProperty("user.dir") + "/logFiles/");
-			if (log) logFolder.mkdirs();
-			Writer logFile = log ? new FileWriter(new File(logFolder, "log_" + sourceFiles.keySet().iterator().next().getName())) : new OutputStreamWriter(new NullOutputStream());
-			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses.stream().toList(), logFile, classLoader, this);
-			System.out.println(finiteClosure);
-			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(this, cons);
-			System.out.println("xxx1");
-			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;
+		// START create finite closure
+		IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses.stream().toList(), logger, classLoader, this);
+		logger.write("FC:\\" + finiteClosure.toString() + "\n");
+		// END create finite closure
 
-			};
+		// START create unify constraints
+		ConstraintSet<Pair> cons = getConstraints(file);
+		ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(this, cons);
+		logger.write("Unify:" + unifyCons.toString());
+		unifyCons = unifyCons.map(TypeInferenceHelper::distributeInnerVars);
+		logger.write("\nUnify_distributeInnerVars: " + unifyCons.toString());
+		System.out.println("xxx1");
+		// END create unify constraints
 
-			logFile.write("Unify:" + unifyCons.toString());
-			System.out.println("Unify:" + unifyCons.toString());
-			unifyCons = unifyCons.map(distributeInnerVars);
-			logFile.write("\nUnify_distributeInnerVars: " + unifyCons.toString());
-			TypeUnify unify = new TypeUnify();
-			// Set<Set<UnifyPair>> results = new HashSet<>(); Nach vorne gezogen
-			logFile.write("FC:\\" + finiteClosure.toString() + "\n");
-			logFile.write(ASTTypePrinter.print(sf));
-			System.out.println(ASTTypePrinter.print(sf));
-			logFile.flush();
+		// START unused variance calculation
+		Set<PlaceholderType> varianceTPHold;
+		Set<PlaceholderType> varianceTPH = varianceInheritanceConstraintSet(unifyCons);
+		/*
+		 * PL 2018-11-07 wird in varianceInheritanceConstraintSet erledigt do { //PL 2018-11-05 Huellenbildung Variance auf alle TPHs der Terme auf der jeweiligen //anderen Seite übertragen varianceTPHold = new HashSet<>(varianceTPH); varianceTPH = varianceInheritanceConstraintSet(unifyCons); unifyCons.map( y -> { if ((y.getLhsType() instanceof PlaceholderType) && (y.getRhsType() instanceof PlaceholderType)) { if (((PlaceholderType)y.getLhsType()).getVariance() != 0 &&
+		 * ((PlaceholderType)y.getRhsType()).getVariance() == 0) { ((PlaceholderType)y.getRhsType()).setVariance(((PlaceholderType)y.getLhsType( )).getVariance()); } if (((PlaceholderType)y.getLhsType()).getVariance() == 0 && ((PlaceholderType)y.getRhsType()).getVariance() != 0) { ((PlaceholderType)y.getLhsType()).setVariance(((PlaceholderType)y.getRhsType( )).getVariance()); } } return y; } ); } while (!varianceTPHold.equals(varianceTPH));
+		 */
+		// END unused variance calculation
 
-			Set<String> methodParaTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			}, (a, b) -> {
-				a.addAll(b);
-				return a;
-			})).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			});
-
-			Set<String> constructorParaTypeVarNames = allClasses.stream().map(x -> x.getConstructors().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			}, (a, b) -> {
-				a.addAll(b);
-				return a;
-			})).reduce(new HashSet<String>(), (a, b) -> {
-				a.addAll(b);
-				return a;
-			});
-
-			Set<String> paraTypeVarNames = methodParaTypeVarNames;
-			paraTypeVarNames.addAll(constructorParaTypeVarNames);
-
-			Set<String> returnTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
-				a.addAll(b);
-				return a;
-			}).get();
-
-			Set<String> fieldTypeVarNames = allClasses.stream().map(x -> x.getFieldDecl().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
-				a.addAll(b);
-				return a;
-			}).get();
-
-			returnTypeVarNames.addAll(fieldTypeVarNames);
-
-			unifyCons = unifyCons.map(x -> {
-				// Hier muss ueberlegt werden, ob
-				// 1. alle Argument- und Retuntyp-Variablen in allen UnifyPairs
-				// mit disableWildcardtable() werden.
-				// 2. alle Typvariablen mit Argument- oder Retuntyp-Variablen
-				// in Beziehung auch auf disableWildcardtable() gesetzt werden muessen
-				// PL 2018-04-23
-				if ((x.getLhsType() instanceof PlaceholderType)) {
-					if (paraTypeVarNames.contains(x.getLhsType().getName())) {
-						((PlaceholderType) x.getLhsType()).setVariance((byte) 1);
-						((PlaceholderType) x.getLhsType()).disableWildcardtable();
-					}
-					if (returnTypeVarNames.contains(x.getLhsType().getName())) {
-						((PlaceholderType) x.getLhsType()).setVariance((byte) -1);
-						((PlaceholderType) x.getLhsType()).disableWildcardtable();
-					}
-				}
-				if ((x.getRhsType() instanceof PlaceholderType)) {
-					if (paraTypeVarNames.contains(x.getRhsType().getName())) {
-						((PlaceholderType) x.getRhsType()).setVariance((byte) 1);
-						((PlaceholderType) x.getRhsType()).disableWildcardtable();
-					}
-					if (returnTypeVarNames.contains(x.getRhsType().getName())) {
-						((PlaceholderType) x.getRhsType()).setVariance((byte) -1);
-						((PlaceholderType) x.getRhsType()).disableWildcardtable();
-					}
-				}
-				return x;// HIER DIE JEWEILS RECHT BZW. LINKE SEITE AUF GLEICHE VARIANZ SETZEN WIE DIE
-				// JEWEILS ANDERE SEITE
-			});
-
-			// PL 2020-02-05 alle Oder-Constraints Receiver und Parameter werden auf
-			// variance 1 gesetzt
-			// Es wird davon ausgegangen, dass in OderConstraints in Bedingungen für
-			// Parameter die Typen der Argumente links stehen
-			// und die Typen der Rückgabewerte immer rechts stehen
-
-			/*
-			 * unifyCons.getOderConstraints().forEach(z -> z.forEach(y -> y.forEach(x -> { if ((x.getLhsType() instanceof PlaceholderType) && x.getPairOp().compareTo(PairOperator.SMALLERDOT) == 0) { ((PlaceholderType) x.getLhsType()).setVariance((byte)1); } else if ((x.getRhsType() instanceof PlaceholderType) && x.getPairOp().compareTo(PairOperator.EQUALSDOT) == 0) { ((PlaceholderType) x.getRhsType()).setVariance((byte)-1); } })));
-			 */
-
-			System.out.println("Unify nach Oder-Constraints-Anpassung:" + unifyCons.toString());
-			Set<PlaceholderType> varianceTPHold;
-			Set<PlaceholderType> varianceTPH = new HashSet<>();
-			varianceTPH = varianceInheritanceConstraintSet(unifyCons);
-
-			/*
-			 * PL 2018-11-07 wird in varianceInheritanceConstraintSet erledigt do { //PL 2018-11-05 Huellenbildung Variance auf alle TPHs der Terme auf der jeweiligen //anderen Seite übertragen varianceTPHold = new HashSet<>(varianceTPH); varianceTPH = varianceInheritanceConstraintSet(unifyCons); unifyCons.map( y -> { if ((y.getLhsType() instanceof PlaceholderType) && (y.getRhsType() instanceof PlaceholderType)) { if (((PlaceholderType)y.getLhsType()).getVariance() != 0 &&
-			 * ((PlaceholderType)y.getRhsType()).getVariance() == 0) { ((PlaceholderType)y.getRhsType()).setVariance(((PlaceholderType)y.getLhsType( )).getVariance()); } if (((PlaceholderType)y.getLhsType()).getVariance() == 0 && ((PlaceholderType)y.getRhsType()).getVariance() != 0) { ((PlaceholderType)y.getLhsType()).setVariance(((PlaceholderType)y.getRhsType( )).getVariance()); } } return y; } ); } while (!varianceTPHold.equals(varianceTPH));
-			 */
-
-			// Set<Set<UnifyPair>> result = unify.unifySequential(xConsSet, finiteClosure,
-			// logFile, log);
-			// Set<Set<UnifyPair>> result = unify.unify(xConsSet, finiteClosure);
-			List<Set<Constraint<UnifyPair>>> oderConstraints = unifyCons.getOderConstraints()// .stream().map(x -> {
-			/*
-			 * Set<Set<UnifyPair>> ret = new HashSet<>(); for (Constraint<UnifyPair> y : x) { ret.add(new HashSet<>(y)); } return ret; }).collect(Collectors.toCollection(ArrayList::new))
-			 */;
-			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);
-				System.out.println("RESULT Final: " + li.getResults());
-				System.out.println("Constraints for Generated Generics: " + " ???");
-				logFile.write("RES_FINAL: " + li.getResults().toString() + "\n");
-				logFile.flush();
-				return li.getResults();
-			}
-			/* UnifyResultModel End */
-			else {
-				// Set<Set<UnifyPair>> result = unify.unify(unifyCons.getUndConstraints(),
-				// oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons,
-				// finiteClosure));
-				Set<Set<UnifyPair>> result = unify.unifyOderConstraints(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure), usedTasks);
-				System.out.println("RESULT: " + result);
-				logFile.write("RES: " + result.toString() + "\n");
-				logFile.flush();
-				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));
-				System.out.println("RESULT Final: " + results);
-				System.out.println("Constraints for Generated Generics: " + " ???");
-				logFile.write("RES_FINAL: " + results.toString() + "\n");
-				logFile.flush();
-				logFile.write("PLACEHOLDERS: " + PlaceholderType.EXISTING_PLACEHOLDERS);
-				logFile.flush();
-			}
-		} catch (IOException e) {
-			System.err.println("kein LogFile");
+		TypeInference typeInference = new TypeInference(
+			logger,
+			classLoader,
+			usedTasks,
+			file,
+			cons,
+			allClasses,
+			finiteClosure,
+			unifyCons
+		);
+		if (unificationServer.isPresent()) {
+			return typeInference.executeOnRemoteServer(unificationServer.get());
+		}
+		else if (resultmodel) {
+			return typeInference.executeResultModel();
+		}
+		else {
+			return typeInference.executeNoResultModel();
 		}
-		return results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList());
 	}
 
 	/**
 	 * Vererbt alle Variancen bei Paaren (a <. theta) oder (Theta <. a) wenn a eine Variance !=0 hat auf alle Typvariablen in Theta.
-	 * 
+	 *
 	 *
 	 */
 	private Set<PlaceholderType> varianceInheritanceConstraintSet(ConstraintSet<UnifyPair> cons) {

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

@@ -0,0 +1,15 @@
+package de.dhbwstuttgart.core;
+
+import de.dhbwstuttgart.server.SocketServer;
+
+public class JavaTXServer {
+
+  JavaTXServer(int port) {
+    try {
+      SocketServer socketServer = new SocketServer(port);
+      socketServer.start();
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
+  }
+}

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

@@ -1,11 +1,5 @@
 package de.dhbwstuttgart.environment;
 
-import java.io.File;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.*;
-
 import com.google.common.collect.Lists;
 import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
@@ -18,6 +12,17 @@ import de.dhbwstuttgart.parser.antlr.Java17Parser.SourceFileContext;
 import de.dhbwstuttgart.parser.antlr.Java17Parser.SrcfileContext;
 import de.dhbwstuttgart.parser.scope.GatherNames;
 import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 
 /**
  * Stellt die Java-Environment dar und speichert alle Binarys, Librarys und Sourcefiles im zu kompilierenden Projekt Sie erstellt anhand dieser Informationen die JavaClassNameRegistry
@@ -31,7 +36,7 @@ public class CompilationEnvironment {
 
 	/**
 	 * Imitiert die Environment beim Aufruf des JavaCompilers auf einer Menge von java-Dateien Die Environment enth<74>lt automatisch die Java Standard Library
-	 * 
+	 *
 	 * @param sourceFiles die zu kompilierenden Dateien
 	 */
 	public CompilationEnvironment(List<File> sourceFiles, DirectoryClassLoader classLoader) {

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

@@ -11,10 +11,10 @@ import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.CharStreams;
 import org.antlr.v4.runtime.CommonTokenStream;
 
-import java.io.*;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.List;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
 
 public class JavaTXParser {
     public static Java17Parser.SourceFileContext parse(File source) throws IOException, java.lang.ClassNotFoundException {

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

@@ -2,7 +2,6 @@ package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
 
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.statement.AssignLeftSide;
-import de.dhbwstuttgart.syntaxtree.statement.Expression;
 import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
 
 public class AssignToLocal extends AssignLeftSide {
@@ -17,4 +16,4 @@ public class AssignToLocal extends AssignLeftSide {
     public void accept(StatementVisitor visitor) {
         visitor.visit(this);
     }
-}
+}

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

@@ -12,13 +12,12 @@ import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.typeinference.constraints.Pair;
-import de.dhbwstuttgart.typeinference.unify.model.*;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
 
 import java.util.*;
 import java.util.stream.Collectors;
 
-import org.antlr.v4.runtime.Token;
-
 public class FCGenerator {
     /**
      * Baut die FiniteClosure aus availableClasses.
@@ -37,8 +36,8 @@ public class FCGenerator {
         for(ClassOrInterface cly : availableClasses){
         	List<Pair> newPairs = getSuperTypes(cly, availableClasses, gtvs, classLoader);
             pairs.addAll(newPairs);
-            
-            //For all Functional Interfaces FI: FunN$$<... args auf dem Functional Interface ...> <. FI is added to FC 
+
+            //For all Functional Interfaces FI: FunN$$<... args auf dem Functional Interface ...> <. FI is added to FC
             if (isFunctionalInterface(cly)) {
             	pairs.add(genImplFunType(cly, newPairs.get(0).TA1, gtvs));
             }
@@ -48,19 +47,19 @@ public class FCGenerator {
     
     
     private static Boolean isFunctionalInterface(ClassOrInterface cly)	{
-    	return (cly.isInterface() && (cly.isFunctionalInterface() || cly.getMethods().size() == 1)); 
+    	return (cly.isInterface() && (cly.isFunctionalInterface() || cly.getMethods().size() == 1));
     }
-    
+
     private static Pair genImplFunType(ClassOrInterface cly, RefTypeOrTPHOrWildcardOrGeneric fIType, HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs) {
     	for(Method m : cly.getMethods()) {
     		if (!java.lang.reflect.Modifier.isAbstract(m.modifier))
     			continue;
-    		List<RefTypeOrTPHOrWildcardOrGeneric> tl = 
+    		List<RefTypeOrTPHOrWildcardOrGeneric> tl =
     				(m.getParameterList().getFormalparalist()
     						.stream().map(p -> p.getType().acceptTV(new TypeExchanger(gtvs)))
     						.collect(Collectors.toList()));
     		tl.add(m.getReturnType().acceptTV(new TypeExchanger(gtvs)));
-    		return new Pair(new RefType(new JavaClassName("Fun" + (tl.size()-1) + "$$"), tl, new NullToken()), 
+    		return new Pair(new RefType(new JavaClassName("Fun" + (tl.size()-1) + "$$"), tl, new NullToken()),
     					    fIType, PairOperator.SMALLER);
     	}
     	return null; //kann nicht passieren, da die Methode nur aufgerufen wird wenn cl Functional Interface ist
@@ -158,7 +157,8 @@ public class FCGenerator {
     }
 
     /**
-     * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus.
+     * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf der direkten Argumentebene.
+     * Hier sind keine Wildcards zulässig
      */
     private static class TypeExchanger implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
 
@@ -172,7 +172,7 @@ public class FCGenerator {
         public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
             List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
             for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
-                params.add(param.acceptTV(this));
+                params.add(param.acceptTV(new TypeExchangerInner(gtvs)));
             }
             RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken());
             return ret;
@@ -201,4 +201,51 @@ public class FCGenerator {
         }
 
     }
+
+    /**
+     * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf den Argumenten der Argumente.
+     * Hier sind Wildcards zulässig
+     */
+    private static class TypeExchangerInner implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
+
+        private final HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs;
+
+        TypeExchangerInner(HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs){
+            this.gtvs = gtvs;
+        }
+
+        @Override
+        public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
+            List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
+            for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
+                params.add(param.acceptTV(this));
+            }
+            RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken());
+            return ret;
+        }
+
+        @Override
+        public RefTypeOrTPHOrWildcardOrGeneric visit(SuperWildcardType superWildcardType) {
+            return superWildcardType;
+        }
+
+        @Override
+        public RefTypeOrTPHOrWildcardOrGeneric visit(TypePlaceholder typePlaceholder) {
+            throw new DebugException("Dieser Fall darf nicht auftreten");
+        }
+
+        @Override
+        public RefTypeOrTPHOrWildcardOrGeneric visit(ExtendsWildcardType extendsWildcardType) {
+            return extendsWildcardType;
+        }
+
+        @Override
+        public RefTypeOrTPHOrWildcardOrGeneric visit(GenericRefType genericRefType) {
+            if(! gtvs.containsKey(genericRefType.getParsedName()))
+                throw new DebugException("Dieser Fall darf nicht auftreten");
+            return gtvs.get(genericRefType.getParsedName());
+        }
+
+    }
+
 }

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

@@ -14,6 +14,8 @@ import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.syntaxtree.*;
 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.Token;
 
 import de.dhbwstuttgart.exceptions.NotImplementedException;
@@ -101,7 +103,6 @@ import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import org.stringtemplate.v4.ST;
 
 public class StatementGenerator {
 
@@ -125,7 +126,7 @@ public class StatementGenerator {
         this.superClass = superType;
     }
 
-    public ParameterList convert(Java17Parser.FormalParameterListContext formalParameterListContext) {
+    public ParameterList convert(Java17Parser.FormalParameterListContext formalParameterListContext, boolean methodparameters) {
         List<Pattern> ret = new ArrayList<>();
         List<Java17Parser.FormalParameterContext> fps = new ArrayList<>();
         if (Objects.isNull(formalParameterListContext))
@@ -147,7 +148,9 @@ public class StatementGenerator {
                 if (fp.typeType() != null) {
                     type = TypeGenerator.convert(fp.typeType(), reg, generics);
                 } else {
-                    type = TypePlaceholder.fresh(fp.getStart());
+                	type = methodparameters?
+                			TypePlaceholder.fresh(fp.getStart(), 1, false)
+                			: TypePlaceholder.fresh(fp.getStart());
                 }
                 ret.add(new FormalParameter(paramName, type, fp.getStart()));
                 localVars.put(paramName, type);
@@ -439,6 +442,7 @@ public class StatementGenerator {
     }
 
     private Pattern convert(PatternContext pattern) {
+
         return switch (pattern) {
         case PPatternContext pPattern -> {
             yield convert(pPattern.primaryPattern());
@@ -453,30 +457,36 @@ public class StatementGenerator {
     }
 
     private FormalParameter convert(PrimaryPatternContext pPattern) {
+
         switch (pPattern) {
         case TPatternContext tPattern:
             TypePatternContext typePattern = tPattern.typePattern();
             var text = typePattern.identifier().getText();
-            var type = TypeGenerator.convert(typePattern.typeType(), reg, generics);
+            var type = typePattern.typeType() == null ? TypePlaceholder.fresh(pPattern.getStart()) :  TypeGenerator.convert(typePattern.typeType(), reg, generics);
             localVars.put(text, type);
             return new FormalParameter(text, type, typePattern.getStart());
         case RPatternContext rPattern:
             RecordPatternContext recordPattern = rPattern.recordPattern();
             return convert(recordPattern);
-        default:
-            throw new NotImplementedException();
+            case Java17Parser.LPatternContext patternContext: return new LiteralPattern(TypePlaceholder.fresh(patternContext.start), convert(patternContext.literal().get(0)), patternContext.start);
+
+            default:
+                throw new NotImplementedException();
 
         }
     }
 
     private RecordPattern convert(RecordPatternContext recordPatternCtx) {
-        List<PatternContext> subPatternCtx = recordPatternCtx.recordStructurePattern().recordComponentPatternList().pattern();
+        var cpl = recordPatternCtx.recordStructurePattern().recordComponentPatternList();
+        List<PatternContext> subPatternCtx = cpl == null ? List.of() : cpl.pattern();
         List<Pattern> subPattern = subPatternCtx.stream().map(this::convert).collect(Collectors.toList());
         IdentifierContext identifierCtx = recordPatternCtx.identifier();
         var text = (identifierCtx != null) ? identifierCtx.getText() : null;
-        var type = TypeGenerator.convert(recordPatternCtx.typeType(), reg, generics);
+        //Hier evtl. Typ anpassen -> wenn kein Typ bekannt ist push neuen Typ auf Hashtable
+        var type = recordPatternCtx.typeType() == null ? TypePlaceholder.fresh(recordPatternCtx.getStart()) : TypeGenerator.convert(recordPatternCtx.typeType(), reg, generics);
         if (text != null) localVars.put(text, type);
-        return new RecordPattern(subPattern, text, type, recordPatternCtx.getStart());
+        var ret = new RecordPattern(subPattern, text, type, recordPatternCtx.getStart());
+        return ret;
     }
 
     private Statement convert(Java17Parser.WhileloopContext stmt) {
@@ -583,7 +593,7 @@ public class StatementGenerator {
             initValue = convert(varDecl.variableInitializer().expression());
         }
         var fieldEntry = fields.get(name.getText());
-        return (new Assign(new AssignToField(new FieldVar(new This(varDecl.getStart()), (fieldEntry.modifiers() & Modifier.STATIC) != 0, name.getText(), type, varDecl.getStart())), initValue, name.getStart()));
+        return (new Assign(new AssignToField(new FieldVar(new This(varDecl.getStart()), name.getText(), type, varDecl.getStart())), initValue, name.getStart()));
     }
 
     private Statement convert(Java17Parser.BreakstmtContext stmt) {
@@ -697,7 +707,7 @@ public class StatementGenerator {
         if (!Objects.isNull(expr.methodCall())) {
             return convert(expr.methodCall(), expr.expression(), offset);
         } else if (!Objects.isNull(expr.identifier())) {
-            return generateLocalOrFieldVarOrClassName(expr.getText(), offset);
+            return new FieldVar(convert(expr.expression()), expr.identifier().getText(), TypePlaceholder.fresh(expr.identifier().start), offset);
         } else {
             // Für alle anderen Optionen, wie Feldzugriff, Aufrufe von super oder explizite
             // generische Invokationen
@@ -773,63 +783,25 @@ public class StatementGenerator {
 
     /**
      * Der Parser kann nicht zwischen einer lokalen Variable, einem Feldzugriff und einer Klassenangabe unterscheiden.
-     * 
+     *
      * @param expression
      * @param offset
      * @return
      */
     private Expression generateLocalOrFieldVarOrClassName(String expression, Token offset) {
-        String[] parts = expression.split("\\.");
-        if (parts.length < 2) {
-            // Check for localVar:
-            if (localVars.get(expression) != null) {
-                return new LocalVar(expression, localVars.get(expression), offset);
-            } else if (fields.get(expression) != null) {// PL 2018-11-01 fields eingefuegt, damit die fields immer die
-                // gleiche TPH bekommen
-                var field = fields.get(expression);
-                return new FieldVar(new This(offset), Modifier.isStatic(field.modifiers()), expression, fields.get(expression).type(), offset);
-            } else if (reg.contains(expression)) {
-                return generateStaticClassName(expression, offset);
-            } else {
-                // lokale Variable wurde ohne "var"-Keyword deklariert und direkt mit Wert versehen
-                localVars.put(expression, TypePlaceholder.fresh(offset));
-                return new LocalVar(expression, localVars.get(expression), offset);
-            }
-        }
-        return generateFieldVarOrClassname(expression, offset);
-    }
-
-    private Expression generateFieldVarOrClassname(String expression, Token offset) {
-        String[] parts = expression.split("\\.");
-        String whole = "";
-        Expression receiver = null;
-        for (String part : parts) {
-            whole += part;
-            // Check for Classname:
-            if (reg.contains(whole)) {
-                receiver = generateStaticClassName(whole, offset);
-                break;
-            }
-            whole += ".";
-        }
-        var fieldName = parts[parts.length - 1];
-
-        var isStatic = false;
-        if (parts.length < 2 || parts[0].contentEquals("this")) {
-            receiver = new This(offset);
-            isStatic = Modifier.isStatic(fields.get(fieldName).modifiers());
-        } else if (parts[0].contentEquals("super")) {
-            receiver = new Super(TypePlaceholder.fresh(offset), offset);
-            isStatic = Modifier.isStatic(compiler.getClass(new JavaClassName(superClass.getName().toString())).getField(fieldName).orElseThrow().modifier);
-        } else if (receiver == null) { // Handelt es sich um keinen Statischen Klassennamen:
-            String part = expression.substring(0, expression.length() - (1 + parts[parts.length - 1].length()));
-            receiver = generateLocalOrFieldVarOrClassName(part, offset);
+        // Check for localVar:
+        if (localVars.get(expression) != null) {
+            return new LocalVar(expression, localVars.get(expression), offset);
+        } else if (fields.get(expression) != null) {// PL 2018-11-01 fields eingefuegt, damit die fields immer die
+            // gleiche TPH bekommen
+            return new FieldVar(new This(offset), expression, fields.get(expression).type(), offset);
+        } else if (reg.contains(expression)) {
+            return generateStaticClassName(expression, offset);
         } else {
-            StaticClassName cname = (StaticClassName) receiver;
-            var javaClassName = reg.getName(cname.getType().toString());
-            isStatic = Modifier.isStatic(compiler.getClass(javaClassName).getField(fieldName).orElseThrow().modifier);
+            // lokale Variable wurde ohne "var"-Keyword deklariert und direkt mit Wert versehen
+            localVars.put(expression, TypePlaceholder.fresh(offset));
+            return new LocalVar(expression, localVars.get(expression), offset);
         }
-        return new FieldVar(receiver, isStatic, fieldName, TypePlaceholder.fresh(offset), offset);
     }
 
     private Expression convert(Java17Parser.ArrayaccessexpressionContext arrayaccess) {
@@ -865,10 +837,8 @@ public class StatementGenerator {
     private Statement convert(AssignexpressionContext expr) {
         switch (expr.bop.getText()) {
         case "=":
-            ExpressionContext leftside = expr.expression(0);
-            AssignLeftSide leftHandSide = convert(leftside.getText(), leftside.getStart());
-            Statement ret = new Assign(leftHandSide, convert(expr.expression(1)), expr.getStart());
-            return ret;
+            AssignLeftSide leftHandSide = convertAssignLHS(convert(expr.expression(0)));
+            return new Assign(leftHandSide, convert(expr.expression(1)), expr.getStart());
         case "+=":
         case "-=":
         case "*=":
@@ -885,8 +855,8 @@ public class StatementGenerator {
         }
     }
 
-    private AssignLeftSide convert(String leftHandSide, Token start) {
-        Expression leftSide = generateLocalOrFieldVarOrClassName(leftHandSide, start);
+    private AssignLeftSide convertAssignLHS(Expression expr) {
+        Expression leftSide = expr;
         if (leftSide instanceof FieldVar)
             return new AssignToField((FieldVar) leftSide);
         else if (leftSide instanceof LocalVar)
@@ -1099,7 +1069,7 @@ public class StatementGenerator {
             }
             params = new ParameterList(parameterList, lambdaParams.getStart());
         } else if (lambdaParams.formalParameterList() != null) {
-            params = convert(lambdaParams.formalParameterList());
+            params = convert(lambdaParams.formalParameterList(), false);
             // }else if( lambdaParams.inferredFormalParameterList != null){
         } else if (!Objects.isNull(lambdaParams.lambdaLVTIList())) {
             List<Pattern> parameterList = new ArrayList<>();

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

@@ -1,9 +1,7 @@
 package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
 
-import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
-import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 
 import java.util.List;

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

@@ -254,7 +254,10 @@ public class SyntaxTreeGenerator {
     List<RefType> implementedInterfaces = new ArrayList<>();
     List<Pattern> constructorParameters = new ArrayList<>();
     List<Statement> constructorStatements = new ArrayList<>();
-    for (RecordComponentContext component : recordDeclaration.recordHeader().recordComponentList().recordComponent()) {
+
+    List<Java17Parser.RecordComponentContext> components = recordDeclaration.recordHeader().recordComponentList() != null ?
+              recordDeclaration.recordHeader().recordComponentList().recordComponent(): List.of();
+    for (RecordComponentContext component : components) {
       int fieldmodifiers = allmodifiers.get("private") + allmodifiers.get("final");
       String fieldname = component.identifier().getText();
       Token fieldoffset = component.getStart();
@@ -266,7 +269,7 @@ public class SyntaxTreeGenerator {
       }
       fielddecl.add(new Field(fieldname, fieldtype, fieldmodifiers, fieldoffset));
       constructorParameters.add(new FormalParameter(fieldname, fieldtype, fieldoffset));
-      FieldVar fieldvar = new FieldVar(new This(offset), false, fieldname, fieldtype, fieldoffset);
+      FieldVar fieldvar = new FieldVar(new This(offset), fieldname, fieldtype, fieldoffset);
       constructorStatements.add(new Assign(new AssignToField(fieldvar), new LocalVar(fieldname, fieldtype, fieldoffset), offset));
       Statement returnStatement = new Return(fieldvar, offset);
       methods.add(new Method(allmodifiers.get("public"), fieldname, fieldtype, new ParameterList(new ArrayList<>(), offset), new Block(Arrays.asList(returnStatement), offset), new GenericDeclarationList(new ArrayList<>(), offset), offset));
@@ -390,12 +393,12 @@ public class SyntaxTreeGenerator {
     if (!Objects.isNull(ctx.EXTENDS())) {
       extendedInterfaces.addAll(convert(ctx.typeList(0), generics));
     }
-    List<RefType> permittedSubtypes = new ArrayList<>();
+    List<RefType> permittedSubtypes = null;
     // Ist Bit für 'sealed'-Modifier gesetzt
     if ((modifiers & 4096) != 0) {
       if (!Objects.isNull(ctx.PERMITS())) {
         // permitted subtypes sind letzte typeList (siehe Grammatikregel 'classDeclaration')
-        permittedSubtypes.addAll(convert(ctx.typeList(ctx.typeList().size() - 1), generics));
+        permittedSubtypes = new ArrayList<>(convert(ctx.typeList(ctx.typeList().size() - 1), generics));
       } else {
         // falls sealed modifier ohne 'permits'-List oder umgekehrt
         throw new NotImplementedException("Invalid sealed class declaration");
@@ -432,7 +435,7 @@ public class SyntaxTreeGenerator {
       }
     }
     StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, generics, fields, new HashMap<>());
-    ParameterList paramlist = stmtgen.convert(bodydeclaration.formalParameters().formalParameterList());
+    ParameterList paramlist = stmtgen.convert(bodydeclaration.formalParameters().formalParameterList(), true);
     MethodBodyContext body = bodydeclaration.methodBody();
     Block block = null;
     if (!(body instanceof EmptymethodContext)) {
@@ -529,7 +532,7 @@ public class SyntaxTreeGenerator {
 
     RefTypeOrTPHOrWildcardOrGeneric retType;
     if (Objects.isNull(header.refType())) {
-      retType = TypePlaceholder.fresh(header.getStart());
+      retType = TypePlaceholder.fresh(header.getStart(), -1, false);
     } else {
       if (header.refType() instanceof RefType2Context reftype) {
         retType = TypeGenerator.convert(reftype.typeType(), reg, generics);
@@ -538,7 +541,7 @@ public class SyntaxTreeGenerator {
       }
     }
     StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>());
-    ParameterList paramlist = stmtgen.convert(header.formalParameters().formalParameterList());
+    ParameterList paramlist = stmtgen.convert(header.formalParameters().formalParameterList(), true);
     MethodBodyContext body = methoddeclaration.methodBody();
     Block block = null;
     if (body instanceof EmptymethodContext emptymethod) {
@@ -578,7 +581,7 @@ public class SyntaxTreeGenerator {
     }
     RefTypeOrTPHOrWildcardOrGeneric retType = TypeGenerator.convertTypeName(name, constructordeclaration.getStart(), reg, localgenerics);
     StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>());
-    ParameterList paramlist = stmtgen.convert(constructordeclaration.formalParameters().formalParameterList());
+    ParameterList paramlist = stmtgen.convert(constructordeclaration.formalParameters().formalParameterList(), true);
     Block block = prepareBlock(stmtgen.convert(constructordeclaration.constructorBody, true), superClass);
     return new Constructor(modifiers, name, retType, paramlist, block, gtvDeclarations, constructordeclaration.getStart());
   }
@@ -591,7 +594,7 @@ public class SyntaxTreeGenerator {
     } else {
       // PL 2019-12-06: variableDeclaratorList() eingefuegt, um als Token nicht die
       // Modifier zu bekommen
-      fieldType = TypePlaceholder.fresh(fieldDeclContext.variableDeclarators().getStart());
+      fieldType = TypePlaceholder.fresh(fieldDeclContext.variableDeclarators().getStart(), -1, false);
     }
     for (Java17Parser.VariableDeclaratorContext varDecl : fieldDeclContext.variableDeclarators().variableDeclarator()) {
       String fieldName = varDecl.variableDeclaratorId().getText();

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

@@ -14,12 +14,7 @@ import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
 import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
 import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
-import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
-import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.syntaxtree.type.*;
 import org.antlr.v4.runtime.Token;
 
 import java.util.ArrayList;

src/main/java/de/dhbwstuttgart/parser/scope/GatherNames.java

@@ -164,4 +164,4 @@ public class GatherNames {
 		}
 		return pkgName;
 	}
-}
+}

src/main/java/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java

@@ -2,7 +2,10 @@ package de.dhbwstuttgart.parser.scope;
 
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * Speichert die Klassen f<>r einen bestimmten Projektscope
@@ -62,4 +65,4 @@ public class JavaClassRegistry {
     public int getNumberOfGenerics(String name) {
         return existingClasses.get(new JavaClassName(name));
     }
-}
+}

src/main/java/de/dhbwstuttgart/server/SocketClient.java

@@ -0,0 +1,143 @@
+package de.dhbwstuttgart.server;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import de.dhbwstuttgart.server.packet.ErrorPacket;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.InvalidPacket;
+import de.dhbwstuttgart.server.packet.MessagePacket;
+import de.dhbwstuttgart.server.packet.PacketContainer;
+import de.dhbwstuttgart.server.packet.UnifyRequestPacket;
+import de.dhbwstuttgart.server.packet.UnifyResultPacket;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import java.net.URI;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.java_websocket.client.WebSocketClient;
+import org.java_websocket.enums.ReadyState;
+import org.java_websocket.handshake.ServerHandshake;
+
+
+/**
+ * The Client-side of the websocket
+ */
+public class SocketClient extends WebSocketClient {
+
+  // use a latch to wait until the connection is closed by the remote host
+  private final CountDownLatch closeLatch = new CountDownLatch(1);
+  // temporarily: The received unify result packet
+  private UnifyResultPacket unifyResultPacket = null;
+
+  public SocketClient(String url) {
+    super(URI.create(url));
+    // make sure, the url is in a valid format
+    final String regex = "^wss?://(\\w+(\\.\\w+)?)*:(\\d+)$";
+    final Matcher matcher = Pattern.compile(regex).matcher(url);
+    if (!matcher.find()) {
+      throw new RuntimeException("Provided string \"" + url + "\" is not a valid server URL! Use pattern ws(s?)://<host.name>:<port>");
+    }
+  }
+
+  public SocketClient(String host, int port, boolean secure) {
+    super(URI.create(String.format("%s://%s:%d/", secure ? "wss" : "ws", host, port)));
+  }
+
+  /**
+   * The main method for connecting, requesting and waiting for the server to unify.
+   * This is synchronized to prevent multiple webSockets connections at the moment, but it is not called from any
+   * thread except the main thread right now and is not necessary at all, probably. Maybe remove it later
+   */
+  synchronized public List<ResultSet> execute(
+    IFiniteClosure finiteClosure,
+    ConstraintSet<Pair> constraints,
+    ConstraintSet<UnifyPair> unifyConstraints
+  ) {
+    try {
+      // wait for the connection to be set up
+      this.connectBlocking();
+      // make sure the connection has been established successfully
+      if (this.getReadyState() != ReadyState.OPEN) {
+        throw new RuntimeException("WebSocket Client could not connect to remote host at " + this.uri);
+      }
+
+      // send the unify task request
+      UnifyRequestPacket packet = UnifyRequestPacket.create(finiteClosure, constraints, unifyConstraints);
+      String json = PacketContainer.serialize(packet);
+      this.send(json);
+
+      // block the thread, until the connection is closed by the remote host (usually after sending the results)
+      this.waitUntilClosed();
+      // wait for the connection to fully close
+      this.closeBlocking();
+    } catch (InterruptedException exception) {
+      System.err.println("Interrupted: " + exception);
+      this.notifyAll();
+      throw new RuntimeException("Remote unification failed: " + exception);
+    } catch (JsonProcessingException exception) {
+      System.err.println("JSON processing exception: " + exception);
+      this.notifyAll();
+      throw new RuntimeException("Remote unification failed: " + exception);
+    }
+
+    // detect error cases, in which no error was thrown, but also no result was sent back from the server
+    if (this.unifyResultPacket == null) {
+      throw new RuntimeException("Did not receive server response but closed connection already");
+    }
+
+    return unifyResultPacket.getResultSet();
+  }
+
+  /**
+   *  Specific client-side implementations to handle incomming packets
+   */
+  protected void handleReceivedPacket(IPacket packet) {
+    if (packet instanceof InvalidPacket) {
+      System.err.println("[socket] " + ((InvalidPacket) packet).error);
+    } else if (packet instanceof MessagePacket) {
+      System.out.println("[socket] " + ((MessagePacket) packet).message);
+    } else if (packet instanceof ErrorPacket) {
+      System.err.println("[socket] " + ((ErrorPacket) packet).error);
+    } else if (packet instanceof UnifyResultPacket) {
+      System.out.println("[socket] Received unify result");
+      unifyResultPacket = (UnifyResultPacket) packet;
+    }
+  }
+
+  @Override
+  public void onOpen(ServerHandshake handshakedata) {
+    System.out.println("Connected to server with status " + handshakedata.getHttpStatus());
+  }
+
+  @Override
+  public void onMessage(String message) {
+    // System.out.println("received: " + message);
+    IPacket packet = PacketContainer.deserialize(message);
+    this.handleReceivedPacket(packet);
+  }
+
+  @Override
+  public void onClose(int code, String reason, boolean remote) {
+    System.out.println(
+      "Disconnected from server " +
+        "with code " + code + " " +
+        (reason.isEmpty() ? "" : "and reason " + reason + " ") +
+        "(closed by remote: " + remote + ")"
+    );
+    this.closeLatch.countDown();
+  }
+
+  @Override
+  public void onError(Exception e) {
+    System.out.println("Error: " + e.getMessage());
+    e.printStackTrace();
+  }
+
+  public void waitUntilClosed() throws InterruptedException {
+    closeLatch.await();
+  }
+}

src/main/java/de/dhbwstuttgart/server/SocketData.java

@@ -0,0 +1,17 @@
+package de.dhbwstuttgart.server;
+
+/**
+ * The data that is associated server-side with any connected client.
+ * This makes it possible to store information that can be mapped to any existing connection.
+ */
+public class SocketData {
+
+  public final String id;
+  // used for the timeout of 10 seconds, until an unused open connection is automatically closed
+  public boolean hasSentTask = false;
+
+  public SocketData(String id) {
+    this.id = id;
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/SocketServer.java

@@ -0,0 +1,138 @@
+package de.dhbwstuttgart.server;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.MessagePacket;
+import de.dhbwstuttgart.server.packet.PacketContainer;
+import de.dhbwstuttgart.server.packet.UnifyRequestPacket;
+import de.dhbwstuttgart.server.packet.UnifyResultPacket;
+import de.dhbwstuttgart.typeinference.TypeInference;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import java.net.InetSocketAddress;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import org.java_websocket.WebSocket;
+import org.java_websocket.handshake.ClientHandshake;
+import org.java_websocket.server.WebSocketServer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SocketServer extends WebSocketServer {
+
+  private static final Logger log = LoggerFactory.getLogger(SocketServer.class);
+
+  public SocketServer(int port) {
+    super(new InetSocketAddress(port));
+  }
+
+  @Override
+  public void onOpen(WebSocket webSocket, ClientHandshake clientHandshake) {
+    System.out.println("New connection: " + webSocket.getResourceDescriptor());
+    webSocket.setAttachment(new SocketData(UUID.randomUUID().toString()));
+
+    try {
+      sendMessage(webSocket, "Welcome to the server!");
+
+      // wait 10 seconds for the client to send a task and close the connection, if nothing has been received until then
+      ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
+      Runnable task = () -> {
+        if (webSocket.<SocketData>getAttachment().hasSentTask || !webSocket.isOpen()) {
+          return;
+        }
+        sendMessage(webSocket, "No task received after 10 seconds. Closing connection...");
+        webSocket.close();
+      };
+      executor.schedule(task, 10, TimeUnit.SECONDS);
+      executor.shutdown();
+
+      // and finally, when your program wants to exit
+    } catch (Exception e) {
+      log.error("e: ", e);
+      webSocket.close(1, e.getMessage());
+    }
+  }
+
+  @Override
+  public void onClose(WebSocket webSocket, int code, String reason, boolean remote) {
+    System.out.println("Connection closed: " + webSocket.getResourceDescriptor());
+    System.out.println(
+      "Disconnected client " + webSocket.getResourceDescriptor() + " " +
+        "with code " + code + " " +
+        (reason.isEmpty() ? "" : "and reason " + reason + " ") +
+        "(closed by client: " + remote + ")"
+    );
+
+  }
+
+  @Override
+  public void onMessage(WebSocket webSocket, String s) {
+    // System.out.println("Received: " + s.substring(0, 50));
+    IPacket reconstructedPacket = PacketContainer.deserialize(s);
+    this.onPacketReceived(webSocket, reconstructedPacket);
+  }
+
+  @Override
+  public void onError(WebSocket webSocket, Exception e) {
+    webSocket.close();
+  }
+
+  @Override
+  public void onStart() {
+    System.out.println("Websocket server started");
+  }
+
+  /**
+   * A shorthand method for sending informational messages to the client
+   */
+  public void sendMessage(WebSocket webSocket, String text) {
+    try {
+      MessagePacket message = new MessagePacket();
+      message.message = text;
+      webSocket.send(PacketContainer.serialize(message));
+    } catch (Exception e) {
+      System.err.println("Failed to send message: " + text);
+      System.err.println(e);
+    }
+  }
+
+  /**
+   *  The server-side implementation on how to handle certain packets when received
+   */
+  private void onPacketReceived(WebSocket webSocket, IPacket packet) {
+    if (packet instanceof UnifyRequestPacket unifyRequestPacket) {
+
+      // TODO: this static property will be a problem once we send more than one request per server and
+      //  should be replaced by a dynamic object property
+      PlaceholderType.EXISTING_PLACEHOLDERS.clear();
+      sendMessage(webSocket, "You requested a unify! Please wait until I calculated everything...");
+      System.out.println("Client " + webSocket.<SocketData>getAttachment().id + " requested a unification. Starting now...");
+      webSocket.<SocketData>getAttachment().hasSentTask = true;
+
+      try {
+        // start the unification algorithm from the received data
+        List<ResultSet> result = TypeInference.executeWithoutContext(
+          unifyRequestPacket.retrieveFiniteClosure(),
+          unifyRequestPacket.retrieveConstraints(),
+          unifyRequestPacket.retrieveUnifyConstraints()
+        );
+        System.out.println("Finished unification for client " + webSocket.<SocketData>getAttachment().id);
+        sendMessage(webSocket, "Unification finished. Found " + result.size() + " result sets");
+
+        if (webSocket.isOpen()) {
+          UnifyResultPacket resultPacket = UnifyResultPacket.create(result);
+          webSocket.send(PacketContainer.serialize(resultPacket));
+        }
+      } catch (Exception e) {
+        System.err.println(e);
+        log.error("e: ", e);
+      }
+
+      webSocket.close();
+    } else {
+      sendMessage(webSocket, "The package of type " + packet.getClass().getName() + " is not handled by the server!");
+    }
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/ErrorPacket.java

@@ -0,0 +1,14 @@
+package de.dhbwstuttgart.server.packet;
+
+/**
+ * A packet to send simple error messages between the client and the server
+ */
+public class ErrorPacket implements IPacket {
+
+  /**
+   * The error endpoint for messages from the server, that should be logged out outputted
+   */
+  public String error;
+
+
+}

src/main/java/de/dhbwstuttgart/server/packet/IPacket.java

@@ -0,0 +1,18 @@
+package de.dhbwstuttgart.server.packet;
+
+/**
+ * The shared interface for all packet of the server connection.
+ * A packet must always:
+ * - Have a default / no-parameter constructor
+ * - Have only serializable public properties (or disable them via jackson annotations)
+ * A packet should have, for easy usage and consisteny:
+ * - a static create() method
+ *
+ */
+public interface IPacket {
+
+  interface IDataContainer<T> {
+    T toObject();
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/InvalidPacket.java

@@ -0,0 +1,13 @@
+package de.dhbwstuttgart.server.packet;
+
+/**
+ * A fallback packet that is generated, if the received json could not be mapped to an existing package
+ */
+public class InvalidPacket implements IPacket {
+
+  /**
+   * If available, the error that caused this package to appear
+   */
+  public String error = "<unknown error>";
+
+}

src/main/java/de/dhbwstuttgart/server/packet/MessagePacket.java

@@ -0,0 +1,13 @@
+package de.dhbwstuttgart.server.packet;
+
+/**
+ * A packet to send simple informational messages between the client and the server
+ */
+public class MessagePacket implements IPacket {
+
+  /**
+   * The informational message from the server, that should be logged out outputted
+   */
+  public String message;
+
+}

src/main/java/de/dhbwstuttgart/server/packet/PacketContainer.java

@@ -0,0 +1,84 @@
+package de.dhbwstuttgart.server.packet;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * A wrapper for the packet to ensure correct serialization/deserialization and make it possible to detect the matching
+ * packet type for deserialization.
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class PacketContainer {
+
+  // The jackson serializer / deserializer tool
+  private static final ObjectMapper objectMapper = new ObjectMapper();
+
+  /*
+   * The available packet types. The one type that is represented in the JSON should always be the ONLY non-null value.
+   * They have to be private (for the moment) to let jackson fill them in while deserializing
+   */
+  public ErrorPacket errorPacket = null;
+  public MessagePacket messagePacket = null;
+  public InvalidPacket invalidPacket = null;
+  public UnifyRequestPacket unifyRequestPacket = null;
+  public UnifyResultPacket unifyResultPacket = null;
+
+
+  /**
+   * Generate the JSON string for the given packet
+   *
+   * @param packet The packet to serialize
+   * @return The json representation of the packet
+   */
+  public static String serialize(IPacket packet) throws JsonProcessingException {
+    objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+    PacketContainer container = new PacketContainer();
+
+    if (packet instanceof ErrorPacket)
+      container.errorPacket = (ErrorPacket) packet;
+    else if (packet instanceof MessagePacket)
+      container.messagePacket = (MessagePacket) packet;
+    else if (packet instanceof UnifyRequestPacket)
+      container.unifyRequestPacket = (UnifyRequestPacket) packet;
+    else if (packet instanceof UnifyResultPacket)
+      container.unifyResultPacket = (UnifyResultPacket) packet;
+    // Add new packets here and in the deserialize method
+
+    return objectMapper.writeValueAsString(container);
+  }
+
+  /**
+   * Use the JSON string to generate the matching packet object
+   *
+   * @param json The serialized representation of a packet container
+   * @return The deserialized Packet object
+   */
+  public static IPacket deserialize(String json) {
+    objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+
+    try {
+      PacketContainer container = objectMapper.readValue(json, PacketContainer.class);
+
+      if (container.errorPacket != null)
+        return container.errorPacket;
+      if (container.messagePacket != null)
+        return container.messagePacket;
+      if (container.invalidPacket != null)
+        return container.invalidPacket;
+      if (container.unifyRequestPacket != null)
+        return container.unifyRequestPacket;
+      if (container.unifyResultPacket != null)
+        return container.unifyResultPacket;
+      // Add new packets here and in the serialize method
+
+      throw new RuntimeException("Cannot map received json to any known packet class");
+    } catch (Exception e) {
+      InvalidPacket packet = new InvalidPacket();
+      packet.error = e.getMessage();
+      return packet;
+    }
+  }
+
+
+}

src/main/java/de/dhbwstuttgart/server/packet/UnifyRequestPacket.java

@@ -0,0 +1,48 @@
+package de.dhbwstuttgart.server.packet;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedFiniteClosure;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedPairConstraintSet;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedUnifyConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+
+/**
+ * A packet to send all required data for the unification algorithm to the server and request the unification
+ */
+public class UnifyRequestPacket implements IPacket {
+
+  public SerializedFiniteClosure finiteClosure;
+  public SerializedPairConstraintSet constraints;
+  public SerializedUnifyConstraintSet unifyConstraints;
+
+  public static UnifyRequestPacket create(
+    IFiniteClosure finiteClosure,
+    ConstraintSet<Pair> constraints,
+    ConstraintSet<UnifyPair> unifyConstraints
+  ) {
+    UnifyRequestPacket packet = new UnifyRequestPacket();
+    packet.finiteClosure = SerializedFiniteClosure.create(finiteClosure);
+    packet.constraints = SerializedPairConstraintSet.create(constraints);
+    packet.unifyConstraints = SerializedUnifyConstraintSet.create(unifyConstraints);
+    return packet;
+  }
+
+  @JsonIgnore
+  public IFiniteClosure retrieveFiniteClosure() {
+    return this.finiteClosure.toObject();
+  }
+
+  @JsonIgnore
+  public ConstraintSet<Pair> retrieveConstraints() {
+    return this.constraints.toObject();
+  }
+
+  @JsonIgnore
+  public ConstraintSet<UnifyPair> retrieveUnifyConstraints() {
+    return this.unifyConstraints.toObject();
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/UnifyResultPacket.java

@@ -0,0 +1,27 @@
+package de.dhbwstuttgart.server.packet;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedResultSet;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * A packet to send all calculated data from the unification algorithm back to the client
+ */
+public class UnifyResultPacket implements IPacket {
+
+  public SerializedResultSet[] results;
+
+  public static UnifyResultPacket create(List<ResultSet> resultSets) {
+    UnifyResultPacket serialized = new UnifyResultPacket();
+    serialized.results = resultSets.stream().map(SerializedResultSet::create).toArray(SerializedResultSet[]::new);
+    return serialized;
+  }
+
+  @JsonIgnore
+  public List<ResultSet> getResultSet() {
+    return Arrays.stream(this.results).map(SerializedResultSet::toObject).toList();
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedFiniteClosure.java

@@ -0,0 +1,30 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
+import java.util.Arrays;
+import java.util.HashSet;
+
+/**
+ * Serializable container of
+ *
+ * @see IFiniteClosure
+ */
+public class SerializedFiniteClosure implements IPacket.IDataContainer<IFiniteClosure> {
+  public SerializedUnifyPair[] pairs;
+
+  public static SerializedFiniteClosure create(IFiniteClosure finiteClosure) {
+    SerializedFiniteClosure fc = new SerializedFiniteClosure();
+    fc.pairs = finiteClosure.getPairs().stream().map(SerializedUnifyPair::create).toArray(SerializedUnifyPair[]::new);
+    return fc;
+  }
+
+  @Override
+  public IFiniteClosure toObject() {
+    return new FiniteClosure(
+      new HashSet<>(Arrays.stream(pairs).map(SerializedUnifyPair::toObject).toList()),
+      null
+    );
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedPair.java

@@ -0,0 +1,37 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+
+/**
+ * Serializable container of
+ *
+ * @see Pair
+ */
+public class SerializedPair implements IPacket.IDataContainer<Pair> {
+
+  @JsonProperty("o")
+  public PairOperator operator;
+  public SerializedTokenWrapper ta1;
+  public SerializedTokenWrapper ta2;
+
+
+  public static SerializedPair create(Pair pair) {
+    SerializedPair sPair = new SerializedPair();
+    sPair.operator = pair.GetOperator();
+    sPair.ta1 = SerializedTokenWrapper.create(pair.TA1);
+    sPair.ta2 = SerializedTokenWrapper.create(pair.TA2);
+    return sPair;
+  }
+
+  @Override
+  public Pair toObject() {
+    return new Pair(
+      ta1.toObject(),
+      ta2.toObject(),
+      operator
+    );
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedPairConstraint.java

@@ -0,0 +1,82 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+
+/**
+ * Serializable container of
+ *
+ * @see Constraint<Pair>
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class SerializedPairConstraint implements IPacket.IDataContainer<Constraint<Pair>> {
+
+  // serialize recursive structure
+  public static final HashMap<Constraint<Pair>, String> UNIQUE_CONSTRAINT_KEY_MAP = new HashMap<>();
+  public static final HashMap<String, SerializedPairConstraint> UNIQUE_CONSTRAINT_MAP = new HashMap<>();
+  // deserialize recursive structure
+  private static final HashMap<String, Constraint<Pair>> UNIQUE_OBJECT_MAP = new HashMap<>();
+
+  @JsonProperty("i")
+  public boolean isInherited;
+  @JsonProperty("u")
+  public String uniqueKey;
+  @JsonProperty("e")
+  public String extendedConstraint = null;
+  @JsonProperty("m")
+  public SerializedPair[] methodSignatureConstraint;
+  @JsonProperty("c")
+  public SerializedPair[] constraintElements;
+
+
+  public static SerializedPairConstraint create(Constraint<Pair> constraint) {
+    final String uniqueKey = UNIQUE_CONSTRAINT_KEY_MAP.getOrDefault(constraint, "_" + UNIQUE_CONSTRAINT_MAP.size());
+
+    if (UNIQUE_CONSTRAINT_MAP.containsKey(uniqueKey)) {
+      return UNIQUE_CONSTRAINT_MAP.get(uniqueKey);
+    }
+
+    SerializedPairConstraint pairConstraint = new SerializedPairConstraint();
+    pairConstraint.uniqueKey = uniqueKey;
+    UNIQUE_CONSTRAINT_KEY_MAP.put(constraint, uniqueKey);
+    UNIQUE_CONSTRAINT_MAP.put(uniqueKey, pairConstraint);
+
+    pairConstraint.constraintElements = constraint.stream().map(SerializedPair::create).toArray(SerializedPair[]::new);
+    pairConstraint.isInherited = constraint.isInherited();
+    pairConstraint.methodSignatureConstraint = constraint.getmethodSignatureConstraint().stream().map(SerializedPair::create).toArray(SerializedPair[]::new);
+    if (constraint.getExtendConstraint() != null) {
+      pairConstraint.extendedConstraint = SerializedPairConstraint.create(constraint.getExtendConstraint()).uniqueKey;
+    }
+
+    return pairConstraint;
+  }
+
+  @Override
+  public Constraint<Pair> toObject() {
+    if (UNIQUE_OBJECT_MAP.containsKey(uniqueKey)) {
+      return UNIQUE_OBJECT_MAP.get(uniqueKey);
+    }
+
+    Constraint<Pair> constraint = new Constraint<>();
+    UNIQUE_OBJECT_MAP.put(uniqueKey, constraint);
+
+    constraint.addAll(Arrays.stream(constraintElements).map(SerializedPair::toObject).toList());
+    constraint.setIsInherited(isInherited);
+    constraint.setmethodSignatureConstraint(new HashSet<>(
+      Arrays.stream(methodSignatureConstraint).map(SerializedPair::toObject).toList()
+    ));
+    SerializedPairConstraint extendedConstraint = this.extendedConstraint == null ? null :
+      SerializedPairConstraint.UNIQUE_CONSTRAINT_MAP.get(this.extendedConstraint);
+    if (extendedConstraint != null) {
+      constraint.setExtendConstraint(extendedConstraint.toObject());
+    }
+
+    return constraint;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedPairConstraintSet.java

@@ -0,0 +1,60 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Serializable container of
+ *
+ * @see ConstraintSet<Pair>
+ */
+public class SerializedPairConstraintSet implements IPacket.IDataContainer<ConstraintSet<Pair>> {
+
+  public SerializedPair[] undConstraints;
+  public SerializedPairConstraint[][] oderConstraints;
+  public Map<String, SerializedPairConstraint> uniqueConstraintMap = new HashMap<>();
+
+  public static SerializedPairConstraintSet create(ConstraintSet<Pair> constraints) {
+    SerializedPairConstraintSet constraintSet = new SerializedPairConstraintSet();
+
+    constraintSet.undConstraints = constraints.getUndConstraints().stream().map(SerializedPair::create).toArray(SerializedPair[]::new);
+    constraintSet.oderConstraints = constraints.getOderConstraints().stream().map(consSet ->
+      consSet.stream().map(SerializedPairConstraint::create).toArray(SerializedPairConstraint[]::new)
+    ).toArray(SerializedPairConstraint[][]::new);
+
+    // add all the gathered constraints to a serializable property
+    constraintSet.uniqueConstraintMap.putAll(SerializedPairConstraint.UNIQUE_CONSTRAINT_MAP);
+
+    return constraintSet;
+  }
+
+  @Override
+  public ConstraintSet<Pair> toObject() {
+    ConstraintSet<Pair> consSet = new ConstraintSet<>();
+
+    // read all the constraints from the serializable property
+    SerializedPairConstraint.UNIQUE_CONSTRAINT_MAP.putAll(this.uniqueConstraintMap);
+
+    Constraint<Pair> undCons = new Constraint<>();
+    undCons.addAll(Arrays.stream(undConstraints).map(SerializedPair::toObject).toList());
+    consSet.addAllUndConstraint(undCons);
+
+    List<Set<Constraint<Pair>>> oderCons = new ArrayList<>(Arrays.stream(oderConstraints).map(cons ->
+      new HashSet<>(
+        Arrays.stream(cons).map(SerializedPairConstraint::toObject).toList()
+      )
+    ).toList());
+    consSet.addAllOderConstraint(oderCons);
+
+    return consSet;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedResultPairWrapper.java

@@ -0,0 +1,63 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.resultPairs.SerializedPairNoResult;
+import de.dhbwstuttgart.server.packet.dataContainers.resultPairs.SerializedPairTPHEqualTPH;
+import de.dhbwstuttgart.server.packet.dataContainers.resultPairs.SerializedPairTPHequalRefTypeOrWildcardType;
+import de.dhbwstuttgart.server.packet.dataContainers.resultPairs.SerializedPairTPHsmallerTPH;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.result.PairNoResult;
+import de.dhbwstuttgart.typeinference.result.PairTPHEqualTPH;
+import de.dhbwstuttgart.typeinference.result.PairTPHequalRefTypeOrWildcardType;
+import de.dhbwstuttgart.typeinference.result.PairTPHsmallerTPH;
+import de.dhbwstuttgart.typeinference.result.ResultPair;
+
+/**
+ * Serializable container of
+ *
+ * @see ResultPair
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class SerializedResultPairWrapper implements IPacket.IDataContainer<ResultPair<RefTypeOrTPHOrWildcardOrGeneric, RefTypeOrTPHOrWildcardOrGeneric>> {
+
+  @JsonProperty("nr")
+  public SerializedPairNoResult noResult = null;
+  @JsonProperty("teo")
+  public SerializedPairTPHequalRefTypeOrWildcardType tphEqualOther = null;
+  @JsonProperty("tet")
+  public SerializedPairTPHEqualTPH tphEqualTph = null;
+  @JsonProperty("tst")
+  public SerializedPairTPHsmallerTPH tphSmallerTPH = null;
+
+
+  public static <A extends RefTypeOrTPHOrWildcardOrGeneric, B extends RefTypeOrTPHOrWildcardOrGeneric> SerializedResultPairWrapper create(ResultPair<A, B> pair) {
+    SerializedResultPairWrapper serialized = new SerializedResultPairWrapper();
+
+    if (pair instanceof PairNoResult noResult)
+      serialized.noResult = SerializedPairNoResult.create(noResult);
+    else if (pair instanceof PairTPHequalRefTypeOrWildcardType tphEqualOther)
+      serialized.tphEqualOther = SerializedPairTPHequalRefTypeOrWildcardType.create(tphEqualOther);
+    else if (pair instanceof PairTPHEqualTPH tphEqualTph)
+      serialized.tphEqualTph = SerializedPairTPHEqualTPH.create(tphEqualTph);
+    else if (pair instanceof PairTPHsmallerTPH tphSmallerTPH)
+      serialized.tphSmallerTPH = SerializedPairTPHsmallerTPH.create(tphSmallerTPH);
+
+    return serialized;
+  }
+
+  @Override
+  @SuppressWarnings("rawtypes") // this is not optimal, but we have to conform to interface specifications
+  public ResultPair toObject() {
+    if (noResult != null)
+      return noResult.toObject();
+    else if (tphEqualOther != null)
+      return tphEqualOther.toObject();
+    else if (tphEqualTph != null)
+      return tphEqualTph.toObject();
+    else if (tphSmallerTPH != null)
+      return tphSmallerTPH.toObject();
+    return null;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedResultSet.java

@@ -0,0 +1,31 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import java.util.Arrays;
+import java.util.HashSet;
+
+/**
+ * Serializable container of
+ *
+ * @see ResultSet
+ */
+public class SerializedResultSet implements IPacket.IDataContainer<ResultSet> {
+
+  public SerializedResultPairWrapper[] results;
+
+  public static SerializedResultSet create(ResultSet resultSet) {
+    SerializedResultSet serialized = new SerializedResultSet();
+    serialized.results = resultSet.results.stream().map(SerializedResultPairWrapper::create).toArray(SerializedResultPairWrapper[]::new);
+    return serialized;
+  }
+
+  public ResultSet toObject() {
+    return new ResultSet(
+      new HashSet<>(
+        Arrays.stream(this.results).map(SerializedResultPairWrapper::toObject).toList()
+      )
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedTokenWrapper.java

@@ -0,0 +1,72 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedExtendsWildcardType;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedGenericRefType;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedPlaceholderType;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedRefType;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedSuperWildcardType;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedVoidType;
+import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.syntaxtree.type.Void;
+
+/**
+ * Serializable container of
+ *
+ * @see RefTypeOrTPHOrWildcardOrGeneric
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class SerializedTokenWrapper implements IPacket.IDataContainer<RefTypeOrTPHOrWildcardOrGeneric> {
+
+  @JsonProperty("ew")
+  public SerializedExtendsWildcardType extendsWildcardType = null;
+  @JsonProperty("gr")
+  public SerializedGenericRefType genericRefType = null;
+  @JsonProperty("p")
+  public SerializedPlaceholderType placeholderType = null;
+  @JsonProperty("r")
+  public SerializedRefType refType = null;
+  @JsonProperty("sw")
+  public SerializedSuperWildcardType superWildcardType = null;
+  @JsonProperty("v")
+  public SerializedVoidType voidType = null;
+
+
+  public static SerializedTokenWrapper create(RefTypeOrTPHOrWildcardOrGeneric type) {
+    SerializedTokenWrapper wrapper = new SerializedTokenWrapper();
+
+    if (type instanceof ExtendsWildcardType)
+      wrapper.extendsWildcardType = SerializedExtendsWildcardType.create((ExtendsWildcardType) type);
+    else if (type instanceof GenericRefType)
+      wrapper.genericRefType = SerializedGenericRefType.create((GenericRefType) type);
+    else if (type instanceof TypePlaceholder)
+      wrapper.placeholderType = SerializedPlaceholderType.create((TypePlaceholder) type);
+    else if (type instanceof Void)
+      wrapper.voidType = SerializedVoidType.create((Void) type);
+    else if (type instanceof RefType)
+      wrapper.refType = SerializedRefType.create((RefType) type);
+    else if (type instanceof SuperWildcardType)
+      wrapper.superWildcardType = SerializedSuperWildcardType.create((SuperWildcardType) type);
+
+    return wrapper;
+  }
+
+
+  @Override
+  public RefTypeOrTPHOrWildcardOrGeneric toObject() {
+    if (extendsWildcardType != null) return extendsWildcardType.toObject();
+    if (genericRefType != null) return genericRefType.toObject();
+    if (placeholderType != null) return placeholderType.toObject();
+    if (refType != null) return refType.toObject();
+    if (superWildcardType != null) return superWildcardType.toObject();
+    if (voidType != null) return voidType.toObject();
+    return null;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedUnifyConstraintSet.java

@@ -0,0 +1,49 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Serializable container of
+ *
+ * @see ConstraintSet<UnifyPair>
+ */
+public class SerializedUnifyConstraintSet implements IPacket.IDataContainer<ConstraintSet<UnifyPair>> {
+
+  public SerializedUnifyPair[] undConstraints;
+  public SerializedUnifyPairConstraint[][] oderConstraints;
+
+  public static SerializedUnifyConstraintSet create(ConstraintSet<UnifyPair> unifyCons) {
+    SerializedUnifyConstraintSet constraintSet = new SerializedUnifyConstraintSet();
+    constraintSet.undConstraints = unifyCons.getUndConstraints().stream().map(SerializedUnifyPair::create).toArray(SerializedUnifyPair[]::new);
+    constraintSet.oderConstraints = unifyCons.getOderConstraints().stream().map(constraints ->
+      constraints.stream().map(SerializedUnifyPairConstraint::create).toArray(SerializedUnifyPairConstraint[]::new)
+    ).toArray(SerializedUnifyPairConstraint[][]::new);
+    return constraintSet;
+  }
+
+  @Override
+  public ConstraintSet<UnifyPair> toObject() {
+    ConstraintSet<UnifyPair> consSet = new ConstraintSet<>();
+
+    Constraint<UnifyPair> undCons = new Constraint<>();
+    undCons.addAll(Arrays.stream(undConstraints).map(SerializedUnifyPair::toObject).toList());
+    consSet.addAllUndConstraint(undCons);
+
+    List<Set<Constraint<UnifyPair>>> oderCons = new ArrayList<>(Arrays.stream(oderConstraints).map(oderConsSet ->
+      new HashSet<>(
+        Arrays.stream(oderConsSet).map(SerializedUnifyPairConstraint::toObject).toList()
+      )
+    ).toList());
+    consSet.addAllOderConstraint(oderCons);
+
+    return consSet;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedUnifyPair.java

@@ -0,0 +1,32 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+
+/**
+ * Serializable container of
+ *
+ * @see UnifyPair
+ */
+public class SerializedUnifyPair implements IPacket.IDataContainer<UnifyPair> {
+
+  public SerializedUnifyTypeWrapper lhs;
+  public SerializedUnifyTypeWrapper rhs;
+  @JsonProperty("o")
+  public PairOperator operator;
+
+  public static SerializedUnifyPair create(UnifyPair unifyPair) {
+    SerializedUnifyPair pair = new SerializedUnifyPair();
+    pair.lhs = SerializedUnifyTypeWrapper.create(unifyPair.getLhsType());
+    pair.rhs = SerializedUnifyTypeWrapper.create(unifyPair.getRhsType());
+    pair.operator = unifyPair.getPairOp();
+    return pair;
+  }
+
+  @Override
+  public UnifyPair toObject() {
+    return new UnifyPair(lhs.toObject(), rhs.toObject(), operator);
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedUnifyPairConstraint.java

@@ -0,0 +1,52 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import java.util.Arrays;
+import java.util.HashSet;
+
+/**
+ * Serializable container of
+ *
+ * @see Constraint<UnifyPair>
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class SerializedUnifyPairConstraint implements IPacket.IDataContainer<Constraint<UnifyPair>> {
+
+  @JsonProperty("i")
+  public boolean isInherited;
+  @JsonProperty("ec")
+  public SerializedUnifyPairConstraint extendedConstraint = null;
+  @JsonProperty("p")
+  public SerializedUnifyPair[] methodSignatureConstraints;
+  @JsonProperty("c")
+  public SerializedUnifyPair[] constraintElements;
+
+
+  public static SerializedUnifyPairConstraint create(Constraint<UnifyPair> constraint) {
+    SerializedUnifyPairConstraint cons = new SerializedUnifyPairConstraint();
+    cons.constraintElements = constraint.stream().map(SerializedUnifyPair::create).toArray(SerializedUnifyPair[]::new);
+    cons.isInherited = constraint.isInherited();
+    if (constraint.getExtendConstraint() != null) {
+      cons.extendedConstraint = SerializedUnifyPairConstraint.create(constraint.getExtendConstraint());
+    }
+    cons.methodSignatureConstraints = constraint.getmethodSignatureConstraint().stream().map(SerializedUnifyPair::create).toArray(SerializedUnifyPair[]::new);
+    return cons;
+  }
+
+  @Override
+  public Constraint<UnifyPair> toObject() {
+    Constraint<UnifyPair> cons = new Constraint<>();
+
+    cons.addAll(Arrays.stream(constraintElements).map(SerializedUnifyPair::toObject).toList());
+    cons.setIsInherited(isInherited);
+    if (extendedConstraint != null) {
+      cons.setExtendConstraint(extendedConstraint.toObject());
+    }
+    cons.setmethodSignatureConstraint(new HashSet<>(Arrays.stream(methodSignatureConstraints).map(SerializedUnifyPair::toObject).toList()));
+    return cons;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/SerializedUnifyTypeWrapper.java

@@ -0,0 +1,65 @@
+package de.dhbwstuttgart.server.packet.dataContainers;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.unifyType.SerializedExtendsType;
+import de.dhbwstuttgart.server.packet.dataContainers.unifyType.SerializedFunNType;
+import de.dhbwstuttgart.server.packet.dataContainers.unifyType.SerializedPlaceholderType;
+import de.dhbwstuttgart.server.packet.dataContainers.unifyType.SerializedReferenceType;
+import de.dhbwstuttgart.server.packet.dataContainers.unifyType.SerializedSuperType;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.FunNType;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+
+/**
+ * Serializable container of
+ *
+ * @see UnifyType
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class SerializedUnifyTypeWrapper implements IPacket.IDataContainer<UnifyType> {
+
+  @JsonProperty("e")
+  public SerializedExtendsType extendsType = null;
+  @JsonProperty("s")
+  public SerializedSuperType superType = null;
+  @JsonProperty("r")
+  public SerializedReferenceType referenceType = null;
+  @JsonProperty("f")
+  public SerializedFunNType funNType = null;
+  @JsonProperty("p")
+  public SerializedPlaceholderType placeholderType = null;
+
+
+  public static SerializedUnifyTypeWrapper create(UnifyType unifyType) {
+    SerializedUnifyTypeWrapper wrapper = new SerializedUnifyTypeWrapper();
+
+    if (unifyType instanceof ExtendsType)
+      wrapper.extendsType = SerializedExtendsType.create((ExtendsType) unifyType);
+    else if (unifyType instanceof SuperType)
+      wrapper.superType = SerializedSuperType.create((SuperType) unifyType);
+    else if (unifyType instanceof ReferenceType)
+      wrapper.referenceType = SerializedReferenceType.create((ReferenceType) unifyType);
+    else if (unifyType instanceof FunNType)
+      wrapper.funNType = SerializedFunNType.create((FunNType) unifyType);
+    else if (unifyType instanceof PlaceholderType)
+      wrapper.placeholderType = SerializedPlaceholderType.create((PlaceholderType) unifyType);
+
+    return wrapper;
+  }
+
+
+  @Override
+  public UnifyType toObject() {
+    if (extendsType != null) return extendsType.toObject();
+    if (superType != null) return superType.toObject();
+    if (referenceType != null) return referenceType.toObject();
+    if (funNType != null) return funNType.toObject();
+    if (placeholderType != null) return placeholderType.toObject();
+    return null;
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/resultPairs/SerializedPairNoResult.java

@@ -0,0 +1,38 @@
+package de.dhbwstuttgart.server.packet.dataContainers.resultPairs;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedTokenWrapper;
+import de.dhbwstuttgart.typeinference.result.PairNoResult;
+
+/**
+ * Serializable container of
+ *
+ * @see PairNoResult
+ */
+public class SerializedPairNoResult implements IPacket.IDataContainer<PairNoResult> {
+
+  @JsonProperty("l")
+  public SerializedTokenWrapper left;
+  @JsonProperty("r")
+  public SerializedTokenWrapper right;
+
+  /**
+   * Use a static create method to leave the default constructor and simplify list conversions
+   */
+  public static SerializedPairNoResult create(PairNoResult pair) {
+    SerializedPairNoResult serialized = new SerializedPairNoResult();
+    serialized.left = SerializedTokenWrapper.create(pair.getLeft());
+    serialized.right = SerializedTokenWrapper.create(pair.getRight());
+    return serialized;
+  }
+
+  @Override
+  public PairNoResult toObject() {
+    return new PairNoResult(
+      left.toObject(),
+      right.toObject()
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/resultPairs/SerializedPairTPHEqualTPH.java

@@ -0,0 +1,34 @@
+package de.dhbwstuttgart.server.packet.dataContainers.resultPairs;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedPlaceholderType;
+import de.dhbwstuttgart.typeinference.result.PairTPHEqualTPH;
+
+/**
+ * Serializable container of
+ *
+ * @see PairTPHEqualTPH
+ */
+public class SerializedPairTPHEqualTPH implements IPacket.IDataContainer<PairTPHEqualTPH> {
+
+  @JsonProperty("l")
+  public SerializedPlaceholderType left;
+  @JsonProperty("r")
+  public SerializedPlaceholderType right;
+
+  public static SerializedPairTPHEqualTPH create(PairTPHEqualTPH pair) {
+    SerializedPairTPHEqualTPH serialized = new SerializedPairTPHEqualTPH();
+    serialized.left = SerializedPlaceholderType.create(pair.getLeft());
+    serialized.right = SerializedPlaceholderType.create(pair.getRight());
+    return serialized;
+  }
+
+  @Override
+  public PairTPHEqualTPH toObject() {
+    return new PairTPHEqualTPH(
+      left.toObject(),
+      right.toObject()
+    );
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/resultPairs/SerializedPairTPHequalRefTypeOrWildcardType.java

@@ -0,0 +1,36 @@
+package de.dhbwstuttgart.server.packet.dataContainers.resultPairs;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedTokenWrapper;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedPlaceholderType;
+import de.dhbwstuttgart.typeinference.result.PairTPHequalRefTypeOrWildcardType;
+
+/**
+ * Serializable container of
+ *
+ * @see PairTPHequalRefTypeOrWildcardType
+ */
+public class SerializedPairTPHequalRefTypeOrWildcardType implements IPacket.IDataContainer<PairTPHequalRefTypeOrWildcardType> {
+
+  @JsonProperty("l")
+  public SerializedPlaceholderType left;
+  @JsonProperty("r")
+  public SerializedTokenWrapper right;
+
+  public static SerializedPairTPHequalRefTypeOrWildcardType create(PairTPHequalRefTypeOrWildcardType pair) {
+    SerializedPairTPHequalRefTypeOrWildcardType serialized = new SerializedPairTPHequalRefTypeOrWildcardType();
+    serialized.left = SerializedPlaceholderType.create(pair.left);
+    serialized.right = SerializedTokenWrapper.create(pair.right);
+    return serialized;
+  }
+
+  @Override
+  public PairTPHequalRefTypeOrWildcardType toObject() {
+    return new PairTPHequalRefTypeOrWildcardType(
+      left.toObject(),
+      right.toObject()
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/resultPairs/SerializedPairTPHsmallerTPH.java

@@ -0,0 +1,34 @@
+package de.dhbwstuttgart.server.packet.dataContainers.resultPairs;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.token.SerializedPlaceholderType;
+import de.dhbwstuttgart.typeinference.result.PairTPHsmallerTPH;
+
+/**
+ * Serializable container of
+ *
+ * @see PairTPHsmallerTPH
+ */
+public class SerializedPairTPHsmallerTPH implements IPacket.IDataContainer<PairTPHsmallerTPH> {
+
+  @JsonProperty("l")
+  public SerializedPlaceholderType left;
+  @JsonProperty("r")
+  public SerializedPlaceholderType right;
+
+  public static SerializedPairTPHsmallerTPH create(PairTPHsmallerTPH pair) {
+    SerializedPairTPHsmallerTPH serialized = new SerializedPairTPHsmallerTPH();
+    serialized.left = SerializedPlaceholderType.create(pair.left);
+    serialized.right = SerializedPlaceholderType.create(pair.right);
+    return serialized;
+  }
+
+  @Override
+  public PairTPHsmallerTPH toObject() {
+    return new PairTPHsmallerTPH(
+      left.toObject(),
+      right.toObject()
+    );
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedExtendsWildcardType.java

@@ -0,0 +1,29 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedTokenWrapper;
+import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
+
+/**
+ * Serializable container of
+ *
+ * @see ExtendsWildcardType
+ */
+public class SerializedExtendsWildcardType implements IPacket.IDataContainer<ExtendsWildcardType> {
+
+  @JsonProperty("e")
+  public SerializedTokenWrapper extendsType;
+
+  public static SerializedExtendsWildcardType create(ExtendsWildcardType extendsWildcardType) {
+    SerializedExtendsWildcardType type = new SerializedExtendsWildcardType();
+    type.extendsType = SerializedTokenWrapper.create(extendsWildcardType.getInnerType());
+    return type;
+  }
+
+  @Override
+  public ExtendsWildcardType toObject() {
+    return new ExtendsWildcardType(extendsType.toObject(), new NullToken());
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedGenericRefType.java

@@ -0,0 +1,28 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+
+/**
+ * Serializable container of
+ *
+ * @see GenericRefType
+ */
+public class SerializedGenericRefType implements IPacket.IDataContainer<GenericRefType> {
+
+  @JsonProperty("n")
+  public String name;
+
+  public static SerializedGenericRefType create(GenericRefType genericRefType) {
+    SerializedGenericRefType serialized = new SerializedGenericRefType();
+    serialized.name = genericRefType.getParsedName();
+    return serialized;
+  }
+
+  @Override
+  public GenericRefType toObject() {
+    return new GenericRefType(name, new NullToken());
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedPlaceholderType.java

@@ -0,0 +1,27 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+
+/**
+ * Serializable container of
+ *
+ * @see TypePlaceholder
+ */
+public class SerializedPlaceholderType implements IPacket.IDataContainer<TypePlaceholder> {
+
+  @JsonProperty("n")
+  public String name;
+
+  public static SerializedPlaceholderType create(TypePlaceholder typePlaceholder) {
+    SerializedPlaceholderType serialized = new SerializedPlaceholderType();
+    serialized.name = typePlaceholder.getName();
+    return serialized;
+  }
+
+  @Override
+  public TypePlaceholder toObject() {
+    return (TypePlaceholder) TypePlaceholder.of(name);
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedRefType.java

@@ -0,0 +1,40 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedTokenWrapper;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import java.util.Arrays;
+
+/**
+ * Serializable container of
+ *
+ * @see RefType
+ */
+public class SerializedRefType implements IPacket.IDataContainer<RefType> {
+
+  @JsonProperty("n")
+  public String name;
+  @JsonProperty("p")
+  public SerializedTokenWrapper[] parameters;
+
+  public static SerializedRefType create(RefType refType) {
+    SerializedRefType serialized = new SerializedRefType();
+
+    serialized.name = refType.getName().toString();
+    serialized.parameters = refType.getParaList().stream().map(SerializedTokenWrapper::create).toArray(SerializedTokenWrapper[]::new);
+
+    return serialized;
+  }
+
+  @Override
+  public RefType toObject() {
+    return new RefType(
+      new JavaClassName(name),
+      Arrays.stream(parameters).map(SerializedTokenWrapper::toObject).toList(),
+      new NullToken()
+    );
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedSuperWildcardType.java

@@ -0,0 +1,30 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedTokenWrapper;
+import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
+
+/**
+ * Serializable container of
+ *
+ * @see SuperWildcardType
+ */
+public class SerializedSuperWildcardType implements IPacket.IDataContainer<SuperWildcardType> {
+
+  @JsonProperty("s")
+  public SerializedTokenWrapper superType;
+
+  public static SerializedSuperWildcardType create(SuperWildcardType superWildcardType) {
+    SerializedSuperWildcardType type = new SerializedSuperWildcardType();
+    type.superType = SerializedTokenWrapper.create(superWildcardType.getInnerType());
+    type.superType = SerializedTokenWrapper.create(superWildcardType.getInnerType());
+    return type;
+  }
+
+  @Override
+  public SuperWildcardType toObject() {
+    return new SuperWildcardType(superType.toObject(), new NullToken());
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/token/SerializedVoidType.java

@@ -0,0 +1,24 @@
+package de.dhbwstuttgart.server.packet.dataContainers.token;
+
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.syntaxtree.type.Void;
+
+/**
+ * Serializable container of
+ *
+ * @see Void
+ */
+public class SerializedVoidType implements IPacket.IDataContainer<Void> {
+
+  public int i = 0;
+
+  public static SerializedVoidType create(Void voidType) {
+    return new SerializedVoidType();
+  }
+
+  @Override
+  public Void toObject() {
+    return new Void(new NullToken());
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedExtendsType.java

@@ -0,0 +1,26 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+
+/**
+ * Serializable container of
+ *
+ * @see ExtendsType
+ */
+public class SerializedExtendsType extends SerializedWildcardType implements IPacket.IDataContainer<ExtendsType> {
+
+  public static SerializedExtendsType create(ExtendsType extendsType) {
+    SerializedExtendsType type = new SerializedExtendsType();
+    type.readWildcardTypeValues(extendsType);
+    return type;
+  }
+
+  @Override
+  public ExtendsType toObject() {
+    return new ExtendsType(
+      this.wildcardedType.toObject()
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedFunNType.java

@@ -0,0 +1,32 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedUnifyTypeWrapper;
+import de.dhbwstuttgart.typeinference.unify.model.FunNType;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import java.util.Arrays;
+
+/**
+ * Serializable container of
+ *
+ * @see FunNType
+ */
+public class SerializedFunNType extends SerializedUnifyType implements IPacket.IDataContainer<FunNType> {
+
+
+  public static SerializedFunNType create(FunNType funN) {
+    SerializedFunNType type = new SerializedFunNType();
+    type.readUnifyTypeValues(funN);
+    return type;
+  }
+
+  @Override
+  public FunNType toObject() {
+    return FunNType.getFunNType(
+      new TypeParams(
+        Arrays.stream(this.params).map(SerializedUnifyTypeWrapper::toObject).toList()
+      )
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedPlaceholderType.java

@@ -0,0 +1,38 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+
+/**
+ * Serializable container of
+ *
+ * @see PlaceholderType
+ */
+public class SerializedPlaceholderType extends SerializedUnifyType implements IPacket.IDataContainer<PlaceholderType> {
+
+  public boolean isGenerated;
+  public boolean isInnerType;
+  public int variance;
+  public byte orCons;
+
+
+  public static SerializedPlaceholderType create(PlaceholderType placeholder) {
+    SerializedPlaceholderType type = new SerializedPlaceholderType();
+    type.readUnifyTypeValues(placeholder);
+    type.isGenerated = placeholder.isGenerated();
+    type.isInnerType = placeholder.isInnerType();
+    type.variance = placeholder.getVariance();
+    type.orCons = placeholder.getOrCons();
+    return type;
+  }
+
+  @Override
+  public PlaceholderType toObject() {
+    PlaceholderType placeholderType = new PlaceholderType(this.name, this.isGenerated);
+    placeholderType.setInnerType(this.isInnerType);
+    placeholderType.setVariance(this.variance);
+    placeholderType.setOrCons(this.orCons);
+    return placeholderType;
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedReferenceType.java

@@ -0,0 +1,37 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedUnifyTypeWrapper;
+import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import java.util.Arrays;
+
+/**
+ * Serializable container of
+ *
+ * @see ReferenceType
+ */
+public class SerializedReferenceType extends SerializedUnifyType implements IPacket.IDataContainer<ReferenceType> {
+
+  @JsonProperty("gt")
+  public boolean genericTypeVar;
+
+  public static SerializedReferenceType create(ReferenceType referenceType) {
+    SerializedReferenceType type = new SerializedReferenceType();
+    type.readUnifyTypeValues(referenceType);
+    type.genericTypeVar = referenceType.isGenTypeVar();
+    return type;
+  }
+
+  @Override
+  public ReferenceType toObject() {
+    ReferenceType referenceType = new ReferenceType(this.name, this.genericTypeVar);
+    return (ReferenceType) referenceType.setTypeParams(
+      new TypeParams(
+        Arrays.stream(this.params).map(SerializedUnifyTypeWrapper::toObject).toList()
+      )
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedSuperType.java

@@ -0,0 +1,26 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import de.dhbwstuttgart.server.packet.IPacket;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+
+/**
+ * Serializable container of
+ *
+ * @see SuperType
+ */
+public class SerializedSuperType extends SerializedWildcardType implements IPacket.IDataContainer<SuperType> {
+
+  public static SerializedSuperType create(SuperType superType) {
+    SerializedSuperType type = new SerializedSuperType();
+    type.readWildcardTypeValues(superType);
+    return type;
+  }
+
+  @Override
+  public SuperType toObject() {
+    return new SuperType(
+      this.wildcardedType.toObject()
+    );
+  }
+
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedUnifyType.java

@@ -0,0 +1,24 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedUnifyTypeWrapper;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+import java.util.Arrays;
+
+/**
+ * Serializable abstract container of
+ *
+ * @see UnifyType
+ */
+abstract class SerializedUnifyType {
+
+  @JsonProperty("n")
+  public String name;
+  @JsonProperty("p")
+  public SerializedUnifyTypeWrapper[] params = new SerializedUnifyTypeWrapper[]{};
+
+  public void readUnifyTypeValues(UnifyType unifyType) {
+    name = unifyType.getName();
+    params = Arrays.stream(unifyType.getTypeParams().get()).map(SerializedUnifyTypeWrapper::create).toArray(SerializedUnifyTypeWrapper[]::new);
+  }
+}

src/main/java/de/dhbwstuttgart/server/packet/dataContainers/unifyType/SerializedWildcardType.java

@@ -0,0 +1,20 @@
+package de.dhbwstuttgart.server.packet.dataContainers.unifyType;
+
+import de.dhbwstuttgart.server.packet.dataContainers.SerializedUnifyTypeWrapper;
+import de.dhbwstuttgart.typeinference.unify.model.WildcardType;
+
+/**
+ * Serializable abstract container of
+ *
+ * @see WildcardType
+ */
+abstract class SerializedWildcardType extends SerializedUnifyType {
+
+  public SerializedUnifyTypeWrapper wildcardedType;
+
+  public void readWildcardTypeValues(WildcardType wildcardType) {
+    this.readUnifyTypeValues(wildcardType);
+    wildcardedType = SerializedUnifyTypeWrapper.create(wildcardType.getWildcardedType());
+  }
+
+}