Merge remote-tracking branch 'origin/LSP-Interface' into LSP-Interface

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

.gitea/workflows/build_and_test.yml

@@ -1,5 +1,8 @@
 name: Build and Test with Maven
-on: [push]
+on:
+  push:
+    branches-ignore:
+      - master
 
 jobs:
   Build-and-test-with-Maven:
@@ -15,11 +18,11 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '21'
+          java-version: '24'
           cache: 'maven'
       - name: Compile project
         run: |
           mvn compile
       - name: Run tests
         run: |
-          mvn test
+          mvn test

.gitea/workflows/sonarqube.yml

@@ -0,0 +1,45 @@
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+      types: [opened, synchronize, reopened]
+
+name: SonarQube Scan
+jobs:
+  sonarqube:
+    name: SonarQube Trigger
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checking out
+      uses: actions/checkout@v4
+      with:
+        # Disabling shallow clone is recommended for improving relevancy of reporting
+        fetch-depth: 0
+    - name: Install maven
+      run: |
+        apt update
+        apt install -y maven
+    - name: Install java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: '24'
+        cache: 'maven'
+    - name: Compile project
+      run: |
+        mvn clean dependency:copy-dependencies verify
+    - name: SonarQube Scan
+      uses: SonarSource/sonarqube-scan-action@v5.3.0
+      env:
+        SONAR_HOST_URL: ${{ secrets.SONARQUBE_HOST }}
+        SONAR_TOKEN: ${{ secrets.SONARQUBE_TOKEN }}
+      with:
+        args: >
+          -Dsonar.projectKey=Java-TX
+          -Dsonar.sources=src/main/java
+          -Dsonar.tests=src/test/java
+          -Dsonar.junit.reportPaths=target/test-reports
+          -Dsonar.java.binaries=target/classes
+          -Dsonar.java.libraries=target/dependency/*.jar
+          -Dsonar.coverage.jacoco.xmlReportPaths=target/site/jacoco/jacoco.xml

README.md

@@ -0,0 +1,7 @@
+## Java-TX Compiler
+
+[![Lines of Code](https://gitea.hb.dhbw-stuttgart.de/sonarqube/api/project_badges/measure?project=Java-TX&metric=ncloc&token=sqb_d4a372fca7a6b86441243728a6ea5f88183db5eb)](https://gitea.hb.dhbw-stuttgart.de/sonarqube/dashboard?id=Java-TX)
+[![Coverage](https://gitea.hb.dhbw-stuttgart.de/sonarqube/api/project_badges/measure?project=Java-TX&metric=coverage&token=sqb_d4a372fca7a6b86441243728a6ea5f88183db5eb)](https://gitea.hb.dhbw-stuttgart.de/sonarqube/dashboard?id=Java-TX)
+[![Quality Gate Status](https://gitea.hb.dhbw-stuttgart.de/sonarqube/api/project_badges/measure?project=Java-TX&metric=alert_status&token=sqb_d4a372fca7a6b86441243728a6ea5f88183db5eb)](https://gitea.hb.dhbw-stuttgart.de/sonarqube/dashboard?id=Java-TX)
+
+Work in Progress Java-TX Compiler repository!

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"+
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+		"&\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"+
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+		"+\u0001+\u0001+\u0001+\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
+		",\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001"+
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+		";\u0001;\u0001;\u0001<\u0001<\u0001<\u0001<\u0001=\u0001=\u0001=\u0001"+
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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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+		"\u0384\u0385\u0005]\u0000\u0000\u0385\u00a6\u0001\u0000\u0000\u0000\u0386"+
+		"\u0387\u0005;\u0000\u0000\u0387\u00a8\u0001\u0000\u0000\u0000\u0388\u0389"+
+		"\u0005,\u0000\u0000\u0389\u00aa\u0001\u0000\u0000\u0000\u038a\u038b\u0005"+
+		".\u0000\u0000\u038b\u00ac\u0001\u0000\u0000\u0000\u038c\u038d\u0005=\u0000"+
+		"\u0000\u038d\u00ae\u0001\u0000\u0000\u0000\u038e\u038f\u0005>\u0000\u0000"+
+		"\u038f\u00b0\u0001\u0000\u0000\u0000\u0390\u0391\u0005<\u0000\u0000\u0391"+
+		"\u00b2\u0001\u0000\u0000\u0000\u0392\u0393\u0005!\u0000\u0000\u0393\u00b4"+
+		"\u0001\u0000\u0000\u0000\u0394\u0395\u0005~\u0000\u0000\u0395\u00b6\u0001"+
+		"\u0000\u0000\u0000\u0396\u0397\u0005?\u0000\u0000\u0397\u00b8\u0001\u0000"+
+		"\u0000\u0000\u0398\u0399\u0005:\u0000\u0000\u0399\u00ba\u0001\u0000\u0000"+
+		"\u0000\u039a\u039b\u0005=\u0000\u0000\u039b\u039c\u0005=\u0000\u0000\u039c"+
+		"\u00bc\u0001\u0000\u0000\u0000\u039d\u039e\u0005<\u0000\u0000\u039e\u039f"+
+		"\u0005=\u0000\u0000\u039f\u00be\u0001\u0000\u0000\u0000\u03a0\u03a1\u0005"+
+		">\u0000\u0000\u03a1\u03a2\u0005=\u0000\u0000\u03a2\u00c0\u0001\u0000\u0000"+
+		"\u0000\u03a3\u03a4\u0005!\u0000\u0000\u03a4\u03a5\u0005=\u0000\u0000\u03a5"+
+		"\u00c2\u0001\u0000\u0000\u0000\u03a6\u03a7\u0005&\u0000\u0000\u03a7\u03a8"+
+		"\u0005&\u0000\u0000\u03a8\u00c4\u0001\u0000\u0000\u0000\u03a9\u03aa\u0005"+
+		"|\u0000\u0000\u03aa\u03ab\u0005|\u0000\u0000\u03ab\u00c6\u0001\u0000\u0000"+
+		"\u0000\u03ac\u03ad\u0005+\u0000\u0000\u03ad\u03ae\u0005+\u0000\u0000\u03ae"+
+		"\u00c8\u0001\u0000\u0000\u0000\u03af\u03b0\u0005-\u0000\u0000\u03b0\u03b1"+
+		"\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

@@ -12,60 +12,79 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 	<url>http://maven.apache.org</url>
 	<dependencies>
 		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>5.13.2</version>
 			<scope>test</scope>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.antlr/antlr4 -->
 		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>antlr4</artifactId>
-			<version>4.11.1</version>
+			<version>4.13.2</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.6</version>
+			<version>2.19.0</version>
 		</dependency>
 		<dependency>
 			<groupId>io.github.classgraph</groupId>
 			<artifactId>classgraph</artifactId>
-			<version>4.8.172</version>
+			<version>4.8.180</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>33.2.0-jre</version>
+			<version>33.4.8-jre</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.ow2.asm/asm -->
 		<dependency>
 			<groupId>org.ow2.asm</groupId>
 			<artifactId>asm</artifactId>
-			<version>9.5</version>
+			<version>9.8</version>
 		</dependency>
 	</dependencies>
 
 	<build>
 		<plugins>
+			<plugin>
+				<groupId>org.jacoco</groupId>
+				<artifactId>jacoco-maven-plugin</artifactId>
+				<version>0.8.13</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>prepare-agent</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>report</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>report</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.11.0</version>
+				<version>3.14.0</version>
 				<configuration>
 					<compilerArgs>--enable-preview</compilerArgs>
-                    <source>22</source>
-                    <target>22</target>
+                    <source>23</source>
+                    <target>23</target>
                 </configuration>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.1.0</version>
+				<version>3.5.3</version>
 				<configuration>
 					<redirectTestOutputToFile>true</redirectTestOutputToFile>
 					<reportsDirectory>${project.build.directory}/test-reports</reportsDirectory>
-					<argLine>--enable-preview</argLine>
+					<argLine>${argLine} --enable-preview</argLine>
 					<trimStackTrace>false</trimStackTrace>
 					<excludes>
 						<exclude>**/JavaTXCompilerTest.java</exclude>
@@ -77,7 +96,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 			<plugin>
 				<groupId>org.antlr</groupId>
 				<artifactId>antlr4-maven-plugin</artifactId>
-				<version>4.11.1</version>
+				<version>4.13.2</version>
 				<executions>
 					<execution>
 						<id>antlr</id>
@@ -90,7 +109,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>3.3.0</version>
+				<version>3.4.2</version>
 				<configuration>
 					<archive>
 						<manifest>

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/Bug325.jav

@@ -6,7 +6,7 @@ import java.util.stream.Stream;
 
 public class Bug325 {
     public main() {
-      List<Integer> list = new ArrayList<>(List.of(1,2,3,4,5));
+      var list = new ArrayList<>(List.of(1,2,3,4,5));
       var func = x -> x*2;
       return list.stream().map(func).toList();
    }

resources/bytecode/javFiles/Bug343.jav

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

resources/bytecode/javFiles/Bug363.jav

@@ -0,0 +1,22 @@
+import java.lang.String;
+
+
+public class Bug363 {
+  uncurry (f){
+    return x -> f.apply(x);
+  }
+
+  uncurry (f){
+    return (x, y) -> f.apply(x).apply(y);
+  }
+
+  uncurry (f){
+    return (x, y, z) -> f.apply(x).apply(y).apply(z);
+  }
+
+  public test(){
+    var f = x -> y -> z -> x + y + z;
+    var g = uncurry(f);
+    return g.apply("A", "B", "C"); // Outputs: 6
+  }
+}

resources/bytecode/javFiles/Bug364.jav

@@ -0,0 +1,8 @@
+import java.lang.String;
+
+public class Bug364{
+  public main(){
+    var f = x -> y -> z -> x + y + z;
+    return f.apply("A").apply("B").apply("C");
+  }
+}

resources/bytecode/javFiles/Bug365.jav

@@ -0,0 +1,21 @@
+import java.lang.String;
+import java.lang.Object;
+
+public class Bug365{
+  swap(f){
+    return x -> y -> f.apply(y).apply(x);
+  }
+
+  swap(Fun1$$<String, Fun1$$<String, Fun1$$<String, Object>>> f){
+    return x -> y -> z -> f.apply(z).apply(y).apply(x);
+  }
+
+  public ex1() {
+    var func = x -> y -> z -> x + y + z;
+    return func.apply("A").apply("B").apply("C");
+  }
+  public ex2() {
+    var func = x -> y -> z -> x + y + z;
+    return swap(func).apply("A").apply("B").apply("C");
+  }
+}

resources/bytecode/javFiles/Bug366.jav

@@ -0,0 +1,12 @@
+import java.lang.Integer;
+
+public class Bug366 {
+    public static lambda() {
+        return (a, b) -> a + b;
+    }
+
+    public static test() {
+        var l = lambda();
+        return l.apply(10, 20);
+    }
+}

resources/bytecode/javFiles/Bug371.jav

@@ -0,0 +1,10 @@
+import java.lang.Boolean;
+
+public class Bug371 {
+    static m1(x, y) { return x || y; }
+    static m2(x, y) { return x && y; }
+
+    public static test() {
+        return m2(m1(true, false), true);
+    }
+}

resources/bytecode/javFiles/Bug373.jav

@@ -0,0 +1,17 @@
+import java.lang.Boolean;
+import java.lang.Integer;
+import java.lang.System;
+import java.io.PrintStream;
+import java.lang.Character;
+
+public class Bug373 {
+    public static main() {
+        System.out.println(true);
+        System.out.println(false);
+        System.out.println(1);
+        System.out.println(1l);
+        System.out.println(1.0);
+        System.out.println(1.0f);
+        System.out.println('a');
+    }
+}

resources/bytecode/javFiles/BugXXX.jav

@@ -1,16 +0,0 @@
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Optional;
-import java.lang.String;
-import java.util.stream.Stream;
-import java.util.function.Function;
-import java.util.function.Predicate;
-import java.lang.Integer;
-
-class BugXXX {
-    public main() {
-        List<Integer> i = new ArrayList<>(List.of(1,2,3,4,5,6,7,8,9,10));
-        Optional<Integer> tmp = i.stream().filter(x -> x == 5).map(x -> x*2).findFirst();
-        return tmp;
-    }
-}

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/Main.jav

@@ -0,0 +1,14 @@
+import java.lang.Object;
+import java.lang.System;
+import java.lang.Iterable;
+import java.io.PrintStream;
+import java.util.List;
+import java.lang.String;
+
+class Main {
+    static main(args) {
+        for (var arg : args) {
+            System.out.println(arg);
+        }
+    }
+}

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/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);
     }
- 
-}
-*/
+}

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.*;
@@ -18,7 +13,7 @@ import org.objectweb.asm.*;
 import java.lang.invoke.*;
 import java.lang.reflect.Modifier;
 import java.util.*;
-import java.util.stream.IntStream;
+import java.util.stream.Collectors;
 
 import static org.objectweb.asm.Opcodes.*;
 import static de.dhbwstuttgart.target.tree.expression.TargetBinaryOp.*;
@@ -90,14 +85,16 @@ public class Codegen {
         int localCounter;
         MethodVisitor mv;
         TargetType returnType;
+        boolean isStatic = false;
 
         Stack<BreakEnv> breakStack = new Stack<>();
         Stack<Integer> switchResultValue = new Stack<>();
 
-        State(TargetType returnType, MethodVisitor mv, int localCounter) {
+        State(TargetType returnType, MethodVisitor mv, int localCounter, boolean isStatic) {
             this.returnType = returnType;
             this.mv = mv;
             this.localCounter = localCounter;
+            this.isStatic = isStatic;
         }
 
         void enterScope() {
@@ -108,6 +105,10 @@ 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);
@@ -231,9 +232,9 @@ public class Codegen {
         if (source.equals(dest))
             return;
         if (source.equals(TargetType.Long)) {
-            if (dest.equals(TargetType.Integer)) {
+            if (dest.equals(TargetType.Integer))
                 mv.visitInsn(L2I);
-            } else if (dest.equals(TargetType.Float))
+            else if (dest.equals(TargetType.Float))
                 mv.visitInsn(L2F);
             else if (dest.equals(TargetType.Double))
                 mv.visitInsn(L2D);
@@ -276,6 +277,8 @@ public class Codegen {
                 mv.visitInsn(I2F);
             else if (dest.equals(TargetType.Double))
                 mv.visitInsn(I2D);
+        } else if (source.equals(TargetType.Boolean)) {
+            unboxPrimitive(state, dest);
         } else if (isFunctionalInterface(source) && isFunctionalInterface(dest) &&
                 !(source instanceof TargetFunNType && dest instanceof TargetFunNType)) {
             boxFunctionalInterface(state, source, dest);
@@ -759,6 +762,16 @@ public class Codegen {
         }
     }
 
+    private static TargetType removeGenerics(TargetType param) {
+        return switch (param) {
+            case null -> null;
+            case TargetFunNType funNType -> new TargetFunNType(funNType.name(), funNType.funNParams(), List.of(), funNType.returnArguments());
+            case TargetRefType refType -> new TargetRefType(refType.name());
+            case TargetGenericType targetGenericType -> TargetType.Object;
+            default -> param;
+        };
+    }
+
     private void generateLambdaExpression(State state, TargetLambdaExpression lambda) {
         var mv = state.mv;
 
@@ -770,7 +783,8 @@ public class Codegen {
 
         var parameters = new ArrayList<>(lambda.captures());
         parameters.addAll(signature.parameters());
-        var implSignature = new TargetMethod.Signature(Set.of(), parameters, lambda.signature().returnType());
+        parameters = parameters.stream().map(param -> param.withType(removeGenerics(param.pattern().type()))).collect(Collectors.toCollection(ArrayList::new));
+        var implSignature = new TargetMethod.Signature(Set.of(), parameters, removeGenerics(lambda.signature().returnType()));
 
         TargetMethod impl;
         if (lambdas.containsKey(lambda)) {
@@ -778,21 +792,22 @@ public class Codegen {
         } else {
             var name = "lambda$" + lambdaCounter++;
 
-            impl = new TargetMethod(0, name, lambda.block(), implSignature, null);
-            generateMethod(impl);
+            impl = new TargetMethod(state.isStatic ? ACC_STATIC : 0, name, lambda.block(), implSignature, null);
+            generateMethod(impl, state);
             lambdas.put(lambda, impl);
         }
 
         var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, MethodType.class, MethodHandle.class, MethodType.class);
 
         var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", mt.toMethodDescriptorString(), false);
-        var handle = new Handle(H_INVOKEVIRTUAL, clazz.getName(), impl.name(), implSignature.getDescriptor(), false);
+        var handle = new Handle(state.isStatic ? H_INVOKESTATIC : H_INVOKEVIRTUAL, clazz.getName(), impl.name(), implSignature.getDescriptor(), false);
 
         var params = new ArrayList<TargetType>();
-        params.add(new TargetRefType(clazz.qualifiedName().getClassName()));
+        if(!state.isStatic) params.add(new TargetRefType(clazz.qualifiedName().getClassName()));
         params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList());
 
-        mv.visitVarInsn(ALOAD, 0);
+        if (!state.isStatic)
+            mv.visitVarInsn(ALOAD, 0);
         for (var index = 0; index < lambda.captures().size(); index++) {
             var capture = lambda.captures().get(index);
             var pattern = (TargetTypePattern) capture.pattern();
@@ -1294,8 +1309,7 @@ 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 +1323,17 @@ 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 +1354,7 @@ 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 +1389,18 @@ 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 +1408,10 @@ 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 +1422,50 @@ 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 +1480,27 @@ 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);
@@ -1478,7 +1535,7 @@ public class Codegen {
         MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "<clinit>", "()V", null, null);
         mv.visitCode();
 
-        var state = new State(null, mv, 0);
+        var state = new State(null, mv, 0, true);
         generate(state, constructor.block());
 
         mv.visitInsn(RETURN);
@@ -1492,7 +1549,7 @@ public class Codegen {
             mv.visitAttribute(new JavaTXSignatureAttribute(constructor.getTXSignature()));
         
         mv.visitCode();
-        var state = new State(null, mv, 1);
+        var state = new State(null, mv, 1, false);
         for (var param : constructor.parameters()) {
             var pattern = param.pattern();
             if (pattern instanceof TargetTypePattern tp)
@@ -1516,33 +1573,53 @@ 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) {
+        generateMethod(method, null);
     }
 
-    private void generateMethod(TargetMethod method) {
+    private void generateMainMethod() {
+        var mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
+        mv.visitCode();
+        mv.visitVarInsn(ALOAD, 0);
+        mv.visitMethodInsn(INVOKESTATIC, "java/util/List", "of", "([Ljava/lang/Object;)Ljava/util/List;", true);
+        mv.visitMethodInsn(INVOKESTATIC, className, "main", "(Ljava/util/List;)V", false);
+        mv.visitInsn(RETURN);
+        mv.visitMaxs(0, 0);
+        mv.visitEnd();
+    }
+
+    private void generateMethod(TargetMethod method, State parent) {
         var access = method.access();
+
+        var params = method.signature().parameters();
+        if (method.name().equals("main") && method.isStatic() && params.size() == 1 &&
+            params.getFirst().pattern().type().equals(new TargetRefType("java.util.List", List.of(new TargetRefType("java.lang.String"))))) {
+
+            generateMainMethod();
+        }
+
         if (method.block() == null)
             access |= ACC_ABSTRACT;
         if (clazz instanceof TargetInterface)
@@ -1556,10 +1633,21 @@ public class Codegen {
 
         if (method.block() != null) {
             mv.visitCode();
-            var state = new State(method.signature().returnType(), mv, method.isStatic() ? 0 : 1);
-            for (var param : method.signature().parameters()) {
-                bindLocalVariables(state, param.pattern(), 1, 0);
+            var state = new State(method.signature().returnType(), mv, method.isStatic() ? 0 : 1, method.isStatic());
+            if (parent != null) {
+                state.scope.parent = parent.scope;
             }
+            var offset = 1;
+            for (var param : method.signature().parameters()) {
+                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++;
+            }
+            //if (parent != null) System.out.println("parent: " + parent.scope.locals.keySet());
+            //System.out.println(state.scope.locals.keySet());
             generate(state, method.block());
             if (method.signature().returnType() == null)
                 mv.visitInsn(RETURN);
@@ -1593,13 +1681,26 @@ 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);
@@ -1653,7 +1754,7 @@ public class Codegen {
 
             // Generate wrapper method
             var mv = cw2.visitMethod(ACC_PUBLIC, toMethod.name, toDescriptor, null, null);
-            var state = new State(null, mv, 0);
+            var state = new State(null, mv, 0, false);
 
             mv.visitVarInsn(ALOAD, 0);
             mv.visitFieldInsn(GETFIELD, className, "wrapped", pair.from.toDescriptor());
@@ -1677,7 +1778,7 @@ public class Codegen {
 
             cw2.visitEnd();
             var bytes = cw2.toByteArray();
-            converter.auxiliaries.put(className, bytes);
+            compiler.auxiliaries.put(className, bytes);
 
             // TODO These class loading shenanigans happen in a few places, the tests load the classes individually.
             // Instead we should just look at the folder.
@@ -1685,7 +1786,7 @@ public class Codegen {
                 converter.classLoader.findClass(className);
             } catch (ClassNotFoundException e) {
                 try {
-                    converter.classLoader.loadClass(bytes);
+                    converter.classLoader.loadClass(className, bytes);
                 } catch (LinkageError ignored) {}
             }
         }
@@ -1720,7 +1821,7 @@ 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 +37,37 @@ public class FunNGenerator {
         public List<TargetType> parameters = new ArrayList<>();
         final String descriptor;
         public final List<TargetType> inParams;
+        public final List<TargetType> realParams;
+
+        public GenericParameters(TargetFunNType funNType) {
+            this(funNType.funNParams(), funNType.returnArguments());
+        }
 
         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 +182,7 @@ 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/JavaTXCompiler.java

@@ -2,9 +2,11 @@
 package de.dhbwstuttgart.core;
 
 import de.dhbwstuttgart.bytecode.Codegen;
+import de.dhbwstuttgart.bytecode.FunNGenerator;
 import de.dhbwstuttgart.environment.CompilationEnvironment;
 import de.dhbwstuttgart.environment.DirectoryClassLoader;
 import de.dhbwstuttgart.exceptions.DebugException;
+import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
 import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.scope.GenericsRegistry;
@@ -66,13 +68,18 @@ public class JavaTXCompiler {
 	Boolean resultmodel = true;
     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?
+    Boolean log = false; //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;
 
 	public final List<File> classPath;
 	private final File outputPath;
 
+	public final Map<String, FunNGenerator.GenericParameters> usedFunN = new HashMap<>();
+	public final Set<Integer> usedFunNSuperTypes = new HashSet<>();
+
+	public Map<String, byte[]> auxiliaries = new HashMap<>();
+
 	public DirectoryClassLoader getClassLoader() {
 		return classLoader;
 	}
@@ -327,74 +334,6 @@ 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);
@@ -461,86 +400,12 @@ public class JavaTXCompiler {
 			logFile.write(ASTTypePrinter.print(sf));
 			System.out.println(ASTTypePrinter.print(sf));
 			logFile.flush();
+			List<UnifyPair> andConstraintsSorted = unifyCons.getUndConstraints().stream()
+					.sorted(Comparator.comparing(UnifyPair::getPairOp).thenComparing(UnifyPair::getLhsType, Comparator.comparing(UnifyType::getName)))
+					.collect(Collectors.toList());
 
-			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;
-			});
+			System.out.println(andConstraintsSorted);
 
-			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);
@@ -563,7 +428,14 @@ public class JavaTXCompiler {
 				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("RESULT Final: " + li.getResults());
+				var finalResults = li.getResults().stream().sorted().toList();
+				int i = 0;
+				System.out.println("RESULT Final: ");
+				for (var result : finalResults){
+					System.out.println("Result: " + i++);
+					System.out.println(result.getSortedResults());
+				}
 				System.out.println("Constraints for Generated Generics: " + " ???");
 				logFile.write("RES_FINAL: " + li.getResults().toString() + "\n");
 				logFile.flush();
@@ -604,6 +476,85 @@ public class JavaTXCompiler {
 		return results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList());
 	}
 
+	/**
+	 * TEMPORARY - Only for Language Server Usage
+	 */
+	public LanguageServerTransferObject getResultSetAndAbstractSyntax(File file) throws IOException, ClassNotFoundException {
+		var sf = sourceFiles.get(file);
+		if(sf == null){
+			sf = sourceFiles.values().stream().findFirst().get();
+		}
+		Set<ClassOrInterface> allClasses = new HashSet<>();
+		allClasses.addAll(getAvailableClasses(sf));
+		allClasses.addAll(sf.getClasses());
+		var newClasses = CompilationEnvironment.loadDefaultPackageClasses(sf.getPkgName(), file, this).stream().map(ASTFactory::createClass).collect(Collectors.toSet());
+		for (var clazz : newClasses) {
+			// Don't load classes that get recompiled
+			if (sf.getClasses().stream().anyMatch(nf -> nf.getClassName().equals(clazz.getClassName())))
+				continue;
+			if (allClasses.stream().noneMatch(old -> old.getClassName().equals(clazz.getClassName())))
+				allClasses.add(clazz);
+		}
+
+		final ConstraintSet<Pair> cons = getConstraints(file);
+		Set<Set<UnifyPair>> results = new HashSet<>();
+		try {
+			Writer logFile = new OutputStreamWriter(new NullOutputStream());
+			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses.stream().toList(), logFile, classLoader, this);
+			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(this, cons);
+			Function<UnifyPair, UnifyPair> distributeInnerVars = x -> {
+				UnifyType lhs, rhs;
+				if (((lhs = x.getLhsType()) instanceof PlaceholderType) && ((rhs = x.getRhsType()) instanceof PlaceholderType) && (((PlaceholderType) lhs).isInnerType() || ((PlaceholderType) rhs).isInnerType())) {
+					((PlaceholderType) lhs).setInnerType(true);
+					((PlaceholderType) rhs).setInnerType(true);
+				}
+				return x;
+
+			};
+
+
+			unifyCons = unifyCons.map(distributeInnerVars);
+			TypeUnify unify = new TypeUnify();
+			Set<PlaceholderType> varianceTPHold;
+			Set<PlaceholderType> varianceTPH = new HashSet<>();
+			varianceTPH = varianceInheritanceConstraintSet(unifyCons);
+
+			List<Set<Constraint<UnifyPair>>> oderConstraints = unifyCons.getOderConstraints();
+
+			if (resultmodel) {
+				/* UnifyResultModel Anfang */
+				UnifyResultModel urm = new UnifyResultModel(cons, finiteClosure);
+				UnifyResultListenerImpl li = new UnifyResultListenerImpl();
+				urm.addUnifyResultListener(li);
+				unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks);
+				generateBytecode(sf, li.getResults());
+				return new LanguageServerTransferObject(li.getResults(), sf, ASTTypePrinter.print(sf), generatedGenerics);
+			}
+			/* UnifyResultModel End */
+			else {
+				Set<Set<UnifyPair>> result = unify.unifyOderConstraints(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure), usedTasks);
+				results.addAll(result);
+
+				results = results.stream().map(x -> {
+					Optional<Set<UnifyPair>> res = new RuleSet().subst(x.stream().map(y -> {
+						if (y.getPairOp() == PairOperator.SMALLERDOTWC)
+							y.setPairOp(PairOperator.EQUALSDOT);
+						return y; // alle Paare a <.? b erden durch a =. b ersetzt
+					}).collect(Collectors.toCollection(HashSet::new)));
+					if (res.isPresent()) {// wenn subst ein Erg liefert wurde was veraendert
+						return new TypeUnifyTask().applyTypeUnificationRules(res.get(), finiteClosure);
+					} else
+						return x; // wenn nichts veraendert wurde wird x zurueckgegeben
+				}).collect(Collectors.toCollection(HashSet::new));
+			}
+		} catch (ClassNotFoundException e) {
+		}
+		generateBytecode(sf, results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList()));
+		return new LanguageServerTransferObject(results.stream().map((unifyPairs -> new ResultSet(UnifyTypeFactory.convert(unifyPairs, Pair.generateTPHMap(cons))))).collect(Collectors.toList()), sf, ASTTypePrinter.print(sf), generatedGenerics);
+	}
+
+
+
 	/**
 	 * Vererbt alle Variancen bei Paaren (a <. theta) oder (Theta <. a) wenn a eine Variance !=0 hat auf alle Typvariablen in Theta.
 	 * 
@@ -778,12 +729,12 @@ public class JavaTXCompiler {
 			var codegen = new Codegen(converter.convert(clazz), this, converter);
 			var code = codegen.generate();
 			generatedClasses.put(clazz.getClassName(), code);
-			converter.auxiliaries.forEach((name, source) -> {
-				generatedClasses.put(new JavaClassName(name), source);
-			});
 		}
 		generatedGenerics.put(sf, converter.javaGenerics());
 		converter.generateFunNTypes();
+		auxiliaries.forEach((name, source) -> {
+			generatedClasses.put(new JavaClassName(name), source);
+		});
 		return generatedClasses;
 	}
 

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

@@ -1,13 +0,0 @@
-package de.dhbwstuttgart.environment;
-
-public class ByteArrayClassLoader extends ClassLoader implements IByteArrayClassLoader {
-    @Override
-    public Class _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError {
-        return defineClass(name, code, i, length);
-    }
-
-    @Override
-    public Class<?> findClass(String name) throws ClassNotFoundException {
-        return super.findClass(name);
-    }
-}

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

@@ -30,7 +30,7 @@ public class CompilationEnvironment {
 	public final PackageCrawler packageCrawler;
 
 	/**
-	 * Imitiert die Environment beim Aufruf des JavaCompilers auf einer Menge von java-Dateien Die Environment enth<EFBFBD>lt automatisch die Java Standard Library
+	 * Imitiert die Environment beim Aufruf des JavaCompilers auf einer Menge von java-Dateien Die Environment enthält automatisch die Java Standard Library
 	 * 
 	 * @param sourceFiles die zu kompilierenden Dateien
 	 */

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

@@ -6,18 +6,22 @@ import java.nio.file.Path;
 
 public interface IByteArrayClassLoader {
 
-    Class loadClass(String path) throws ClassNotFoundException;
+    Class<?> loadClass(String path) throws ClassNotFoundException;
 
-    default Class loadClass(byte[] code) {
-        return this._defineClass(null, code, 0, code.length);
+    default Class<?> loadClass(byte[] code) {
+        return this.loadClass(null, code);
     }
 
-    default Class loadClass(Path path) throws IOException {
+    default Class<?> loadClass(String name, byte[] code) {
+        return this._defineClass(name, code, 0, code.length);
+    }
+
+    default Class<?> loadClass(Path path) throws IOException {
         var code = Files.readAllBytes(path);
         return this._defineClass(null, code, 0, code.length);
     }
 
     public Class<?> findClass(String name) throws ClassNotFoundException;
 
-    Class _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError;
+    Class<?> _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError;
 }

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

@@ -0,0 +1,249 @@
+package de.dhbwstuttgart.languageServerInterface;
+
+
+import de.dhbwstuttgart.bytecode.Codegen;
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.environment.IByteArrayClassLoader;
+import de.dhbwstuttgart.languageServerInterface.model.LanguageServerTransferObject;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
+import de.dhbwstuttgart.target.generate.ASTToTargetAST;
+import de.dhbwstuttgart.target.generate.GenericsResult;
+import de.dhbwstuttgart.target.tree.TargetStructure;
+import org.apache.commons.io.FileUtils;
+
+import java.io.*;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Implementation of an Interface for the Language-Server to get the Resultset and abstract Syntax.
+ */
+public class LanguageServerInterface {
+
+
+    public LanguageServerTransferObject getResultSetAndAbastractSyntax(String path, String resetNamesTo) throws IOException, URISyntaxException, ClassNotFoundException {
+        NameGenerator.resetTo(resetNamesTo);
+        return getResultSetAndAbstractSyntax(path);
+
+    }
+
+    public SourceFile getAst(String path, String resetNamesTo) throws IOException, URISyntaxException, ClassNotFoundException {
+        NameGenerator.resetTo(resetNamesTo);
+        return getAST(path);
+    }
+
+
+    /**
+     * returns the ResultSets, GenericResultSet and the AST
+     * You have to give the input as well as the path because of potential locks when the File is currently opened in an IDE.
+     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
+     *
+     * @param pathAsString the URI of the File. See Example.
+     * @throws IOException
+     * @throws ClassNotFoundException
+     * @throws URISyntaxException
+     */
+    public LanguageServerTransferObject getResultSetAndAbstractSyntax(String pathAsString) throws IOException, ClassNotFoundException, URISyntaxException {
+        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
+
+        var uri = new URI(pathAsString);
+        var path = Path.of(uri);
+        var file = path.toFile();
+        Files.createDirectories(path.getParent().resolve("out"));
+        var compiler = new JavaTXCompiler(List.of(file), List.of(path.getParent().toFile()), path.getParent().resolve("out").toFile());
+
+        var parsedSource = compiler.sourceFiles.get(file);
+        var tiResults = compiler.typeInference(file);
+
+        Map<JavaClassName, byte[]> bytecode = compiler.generateBytecode(parsedSource, tiResults);
+        Files.createDirectories(path.getParent().resolve("out"));
+        compiler.writeClassFile(bytecode, path.getParent().resolve("out").toFile(), false);
+
+        return new LanguageServerTransferObject(tiResults, parsedSource, "", compiler.getGeneratedGenerics());
+    }
+
+    /**
+     * returns the AST without calculating the result
+     * You have to give the input as well as the path because of potential locks when the File is currently opened in an IDE.
+     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
+     *
+     * @param path the URI of the File. See Example.
+     * @throws IOException
+     * @throws ClassNotFoundException
+     * @throws URISyntaxException
+     */
+    public SourceFile getAST(String path) throws IOException, ClassNotFoundException, URISyntaxException {
+
+
+        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
+
+
+        URI uri = new URI(path);
+        ArrayList<String> pathWithoutName = new ArrayList<>(List.of(uri.getPath().split("/")));
+        pathWithoutName.remove(List.of(uri.getPath().split("/")).size() - 1);
+        String stringPathWithoutName = "";
+
+        for (String i : pathWithoutName) {
+            stringPathWithoutName += "/" + i;
+        }
+
+        try {
+            FileUtils.cleanDirectory(new File(stringPathWithoutName + "/out"));
+        } catch (Exception e) {
+
+        }
+        try {
+            (new File(stringPathWithoutName + "/out")).mkdirs();
+        } catch (Exception e) {
+
+        }
+        var test = getAST(uri.getPath().split("/")[uri.getPath().split("/").length - 1], new File(stringPathWithoutName).getPath());
+        System.setOut(System.out);
+        return test;
+    }
+
+    private static void writeClassFile(String name, byte[] code, Path outputPath) throws IOException {
+        Files.createDirectories(outputPath);
+        Files.write(outputPath.resolve(name + ".class"), code);
+    }
+
+    public static Map<String, ? extends Class<?>> generateClassFiles(IByteArrayClassLoader classLoader, Path path, Path outputPath, String... files) throws IOException, ClassNotFoundException {
+        Files.createDirectories(outputPath);
+        var filenames = Arrays.stream(files).map(filename -> Path.of(path.toString(), filename).toFile()).toList();
+        var compiler = new JavaTXCompiler(filenames, List.of(path.toFile(), outputPath.toFile()), outputPath.toFile());
+
+        var result = new HashMap<String, Class<?>>();
+        for (var file : filenames) {
+            var resultSet = compiler.typeInference(file);
+
+            var sourceFile = compiler.sourceFiles.get(file);
+            var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
+            var classes = compiler.sourceFiles.get(file).getClasses();
+
+            result.putAll(classes.stream().map(cli -> {
+                try {
+                    return generateClass(converter.convert(cli), classLoader, converter, outputPath);
+                } catch (IOException exception) {
+                    throw new RuntimeException(exception);
+                }
+            }).collect(Collectors.toMap(Class::getName, Function.identity())));
+
+            converter.generateFunNTypes();
+
+            for (var entry : converter.auxiliaries.entrySet()) {
+                writeClassFile(entry.getKey(), entry.getValue(), outputPath);
+            }
+        }
+
+        for (var entry : compiler.loadedClasses.entrySet()) {
+            var name = entry.getKey().toString();
+            result.put(name, classLoader.loadClass(Path.of(entry.getValue().classFile().toURI())));
+        }
+
+        return result;
+    }
+
+    public static Class<?> generateClass(TargetStructure clazz, IByteArrayClassLoader classLoader, ASTToTargetAST converter, Path outputPath) throws IOException {
+        Codegen codegen = new Codegen(clazz, converter.compiler, converter);
+        var code = codegen.generate();
+        writeClassFile(clazz.qualifiedName().getClassName(), code, outputPath);
+        return classLoader.loadClass(code);
+    }
+
+    public static Map<String, ? extends Class<?>> generateClassFiles(String filename, IByteArrayClassLoader classLoader, String filePath) throws IOException, ClassNotFoundException {
+        var file = Path.of(filePath, filename).toFile();
+        var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
+        var resultSet = compiler.typeInference(file);
+
+        var sourceFile = compiler.sourceFiles.get(file);
+        var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
+        var classes = compiler.sourceFiles.get(file).getClasses();
+
+        var result = classes.stream().map(cli -> {
+            try {
+                return generateClass(converter.convert(cli), classLoader, converter, Path.of(filePath + "/out/"));
+            } catch (IOException exception) {
+                throw new RuntimeException(exception);
+            }
+        }).collect(Collectors.toMap(Class::getName, Function.identity()));
+
+        converter.generateFunNTypes();
+
+        for (var entry : converter.auxiliaries.entrySet()) {
+            writeClassFile(entry.getKey(), entry.getValue(), Path.of(filePath + "/out/"));
+        }
+
+        return result;
+    }
+
+    public static SourceFile getAST(String filename, String filePath) throws IOException, ClassNotFoundException {
+        var file = Path.of(filePath, filename).toFile();
+        var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
+        return compiler.sourceFiles.get(file);
+    }
+
+    public static LanguageServerTransferObject getLanguageServerTransferObject(String filename, IByteArrayClassLoader classLoader, String filePath) throws IOException, ClassNotFoundException {
+        var file = Path.of(filePath, filename).toFile();
+        var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()), Path.of(filePath + "/out").toFile());
+        var resultSet = compiler.typeInference(file);
+
+        var sourceFile = compiler.sourceFiles.get(file);
+        var converter = new ASTToTargetAST(compiler, resultSet, sourceFile, classLoader);
+        compiler.generateBytecode();
+        converter.generateFunNTypes();
+
+        var ta = converter.javaGenerics();
+        var tb = converter.txGenerics();
+        Map<SourceFile, List<GenericsResult>> generics = new HashMap<>();
+
+        ArrayList<GenericsResult> genericsResults = new ArrayList<>();
+        genericsResults.addAll(ta);
+        genericsResults.addAll(tb);
+        generics.put(converter.compiler.sourceFiles.values().stream().findFirst().get(), ta);
+        var test = new LanguageServerTransferObject(resultSet, converter.compiler.sourceFiles.values().stream().findFirst().get(), "", compiler.getGeneratedGenerics());
+        return test;
+    }
+
+    /**
+     * generates Bytecode for the given Path of the File.
+     * The Generated Bytecode can be found in the same place as the path, except the File lies in an /out/ Directory
+     * Example: file:///c:/test/main.jav -> file:///c:/test/out/main.class
+     *
+     * @param uri the URI of the File. See Example.
+     * @throws IOException
+     * @throws ClassNotFoundException
+     * @throws URISyntaxException
+     */
+    public void generateBytecode(URI uri) throws IOException, ClassNotFoundException, URISyntaxException {
+
+//        System.setOut(new PrintStream(OutputStream.nullOutputStream()));
+//
+//
+//        File inputDir = new File(uri.getPath());
+//        File outFile = new File(uri.getPath() + "/out");
+//        FileUtils.cleanDirectory(outFile);
+//        String[] allowedEndings = {".jav"};
+//        ArrayList<File> files = new ArrayList<>();
+//
+//        try (Stream<Path> stream = Files.walk(Paths.get(inputDir.toURI()))) {
+//            stream.filter(Files::isRegularFile)
+//                    .forEach(el -> files.add(el.toFile()));
+//        }
+//
+//
+//        List<String> javFiles = files.stream().filter(el -> el.getName().split("\\.").length >= 2 && el.getName().split("\\.")[el.getName().split("\\.").length - 1].contains("jav")).map(el -> el.getPath().replace(inputDir.getPath(), "").substring(1)).toList();
+//        //TODO: Link between Files
+//        generateClassFiles(new ByteArrayClassLoader(), Path.of(inputDir.toURI()), Path.of(outFile.toURI()), javFiles.toArray(new String[0]));
+//        System.setOut(System.out);
+    }
+}

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

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

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

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

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

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

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

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

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

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

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

@@ -158,7 +158,8 @@ 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 +173,7 @@ 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 +202,51 @@ 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))
@@ -147,10 +148,12 @@ 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(), 1, false);
                 }
                 ret.add(new FormalParameter(paramName, type, fp.getStart()));
-                localVars.put(paramName, type);
+                localVars.put(paramName, type); 
             }
         }
         return new ParameterList(ret, ret.get(0).getOffset());
@@ -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)
@@ -1095,17 +1065,17 @@ public class StatementGenerator {
             List<Pattern> parameterList = new ArrayList<>();
             for (IdentifierContext identifier : lambdaParams.identifier()) {
                 Token offset = identifier.getStart();
-                parameterList.add(new FormalParameter(identifier.getText(), TypePlaceholder.fresh(offset), offset));
+                parameterList.add(new FormalParameter(identifier.getText(), TypePlaceholder.fresh(offset, 1, false), offset));
             }
             params = new ParameterList(parameterList, lambdaParams.getStart());
         } else if (lambdaParams.formalParameterList() != null) {
-            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<>();
             for (LambdaLVTIParameterContext param : lambdaParams.lambdaLVTIList().lambdaLVTIParameter()) {
                 Token offset = param.getStart();
-                parameterList.add(new FormalParameter(param.identifier().getText(), TypePlaceholder.fresh(offset), offset));
+                parameterList.add(new FormalParameter(param.identifier().getText(), TypePlaceholder.fresh(offset, 1, false), offset));
             }
             params = new ParameterList(parameterList, lambdaParams.getStart());
         } else {
@@ -1129,9 +1099,9 @@ public class StatementGenerator {
             block = lambdaGenerator.convert(expression.lambdaBody().block(), true);
         }
         List<RefTypeOrTPHOrWildcardOrGeneric> funNParams = new ArrayList<>();
-        funNParams.add(TypePlaceholder.fresh(expression.getStart()));// ret-Type
+        funNParams.add(TypePlaceholder.fresh(expression.getStart(), -1, false));// ret-Type
         params.getFormalparalist().forEach(formalParameter -> // Für jeden Parameter einen TPH anfügen:
-        funNParams.add(TypePlaceholder.fresh(expression.getStart())));
+        	funNParams.add(TypePlaceholder.fresh(expression.getStart(), 1, false)));
         RefTypeOrTPHOrWildcardOrGeneric lambdaType = TypePlaceholder.fresh(expression.getStart());
         // RefType lambdaType = new
         // RefType(reg.getName("Fun"+params.getFormalparalist().size()),

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/scope/JavaClassName.java

@@ -41,7 +41,7 @@ public class JavaClassName {
 	}
 
 	/**
-	 * Gibt von einem Klassennamen nur den Namen der Klasse zur<EFBFBD>ck
+	 * Gibt von einem Klassennamen nur den Namen der Klasse zurück
 	 * Beispiel:
 	 * java.lang.Object wird zu: Object
 	 */

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

@@ -5,9 +5,9 @@ import de.dhbwstuttgart.exceptions.NotImplementedException;
 import java.util.*;
 
 /**
- * Speichert die Klassen f<EFBFBD>r einen bestimmten Projektscope
+ * Speichert die Klassen für einen bestimmten Projektscope
  */
-public class JavaClassRegistry {
+public class JavaClassRegistry{
     final Map<JavaClassName, Integer> existingClasses = new HashMap<>();
 
     public JavaClassRegistry(Map<String, Integer> initialNames) {
@@ -22,6 +22,10 @@ public class JavaClassRegistry {
         }
     }
 
+    public Set<JavaClassName> getAllClassNames(){
+        return existingClasses.keySet();
+    }
+
     public void addName(String className, int numberOfGenerics) {
         existingClasses.put(new JavaClassName(className), numberOfGenerics);
     }

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

@@ -10,6 +10,8 @@ public interface ASTVisitor extends StatementVisitor{
 
     void visit(FormalParameter formalParameter);
 
+    void visit(LiteralPattern literalPattern);
+
     void visit(GenericDeclarationList genericTypeVars);
 
     void visit(Field field);

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

@@ -37,6 +37,11 @@ public abstract class AbstractASTWalker implements ASTVisitor {
         formalParameter.getType().accept((ASTVisitor) this);
     }
 
+    @Override
+    public void visit(LiteralPattern literalPattern) {
+
+    }
+
     @Override
     public void visit(GenericDeclarationList genericTypeVars) {
         Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator();

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

@@ -6,10 +6,12 @@ import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.target.tree.TargetGeneric;
 import org.antlr.v4.runtime.Token;
 
 import java.lang.reflect.Modifier;
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * Stellt jede Art von Klasse dar. Auch abstrakte Klassen und Interfaces
@@ -31,6 +33,7 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
   private List<RefType> implementedInterfaces;
   private List<RefType> permittedSubtypes;
   private List<Constructor> constructors;
+  private Set<GenericTypeVar> userDefinedGenerics;
 
   public ClassOrInterface(int modifiers, JavaClassName name, List<Field> fielddecl, Optional<Constructor> fieldInitializations, Optional<Method> staticInitializer, List<Method> methods, List<Constructor> constructors, GenericDeclarationList genericClassParameters, RefType superClass, Boolean isInterface, Boolean isFunctionalInterface, List<RefType> implementedInterfaces, List<RefType> permittedSubtypes, Token offset, String fileName) {
     super(offset);
@@ -86,6 +89,9 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
     return staticInitializer;
   }
 
+  public boolean isSealed() { return permittedSubtypes != null; }
+  public List<RefType> getPermittedSubtypes() { return permittedSubtypes != null ? permittedSubtypes : List.of(); }
+
   public boolean isInterface() {
       return (Modifier.INTERFACE & this.getModifiers()) != 0;
   }
@@ -188,13 +194,30 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
   @Override
   public boolean equals(Object o) {
     if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
-    ClassOrInterface that = (ClassOrInterface) o;
-    return Objects.equals(name, that.name);
+    if (!(o instanceof ClassOrInterface other)) return false;
+    return Objects.equals(name, other.name);
   }
 
   @Override
   public int hashCode() {
     return Objects.hash(name);
   }
+
+  public Set<GenericTypeVar> getUserDefinedGenerics() {
+    if (this.userDefinedGenerics != null) return this.userDefinedGenerics;
+
+    var genericsIter = getGenerics().iterator();
+    if (genericsIter.hasNext()) {
+      // Add empty set of generics to cache so that it doesn't try to calculate it later
+      this.userDefinedGenerics = new HashSet<>();
+      while (genericsIter.hasNext()) {
+        var next = genericsIter.next();
+        userDefinedGenerics.add(next);
+      }
+    } else {
+      this.userDefinedGenerics = new HashSet<>();
+    }
+
+    return this.userDefinedGenerics;
+  }
 }

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

@@ -0,0 +1,29 @@
+package de.dhbwstuttgart.syntaxtree;
+
+
+import de.dhbwstuttgart.syntaxtree.ASTVisitor;
+import de.dhbwstuttgart.syntaxtree.Pattern;
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import org.antlr.v4.runtime.Token;
+
+public class LiteralPattern extends FormalParameter
+{
+    public final Expression value;
+    public LiteralPattern(RefTypeOrTPHOrWildcardOrGeneric type, Expression value, Token offset) {
+        super(null, type, offset);
+
+        this.value = value;
+    }
+    @Override
+    public FormalParameter withType(RefTypeOrTPHOrWildcardOrGeneric type) {
+        return new LiteralPattern(type, value, getOffset());
+    }
+    @Override
+    public void accept(ASTVisitor visitor) {
+        visitor.visit(this);
+    }
+}

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

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

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

@@ -3,6 +3,7 @@ package de.dhbwstuttgart.syntaxtree;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 
+
 public interface StatementVisitor {
 
     void visit(ArgumentList argumentList);

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

@@ -176,8 +176,9 @@ public class ASTFactory {
 		for (Type jreInterface : jreClass.getGenericInterfaces()) {
 			implementedInterfaces.add((RefType) createType(jreInterface));
 		}
-		List<RefType> permittedSubtypes = new ArrayList<>();
+		List<RefType> permittedSubtypes = null;
 		if (jreClass.isSealed()) {
+			permittedSubtypes = new ArrayList<>();
 			for (Class subclass : jreClass.getPermittedSubclasses()) {
 				permittedSubtypes.add((RefType) createType(subclass));
 			}

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

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

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

@@ -129,9 +129,10 @@ public class UnifyTypeFactory {
     	if (tph.getName().equals("AFR")) {
     		System.out.println("XXX"+innerType);
     	}
-    	PlaceholderType ntph = new PlaceholderType(tph.getName());
+    	PlaceholderType ntph = new PlaceholderType(tph.getName(), tph.getVariance());
     	ntph.setVariance(tph.getVariance());
     	ntph.setOrCons(tph.getOrCons());
+    	ntph.setWildcardtable(tph.getWildcardtable());
     	int in = PLACEHOLDERS.indexOf(ntph);
 		if (in == -1) {
 			PLACEHOLDERS.add(ntph);

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

@@ -17,13 +17,11 @@ public class FieldVar extends Expression {
 
     public final String fieldVarName;
     public final Expression receiver;
-    public final boolean isStatic;
 
-    public FieldVar(Expression receiver, boolean isStatic, String fieldVarName, RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
+    public FieldVar(Expression receiver, String fieldVarName, RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
         super(type, offset);
         this.fieldVarName = fieldVarName;
         this.receiver = receiver;
-        this.isStatic = isStatic;
     }
 
     @Override

src/main/java/de/dhbwstuttgart/syntaxtree/type/RefType.java

@@ -8,6 +8,7 @@ import org.antlr.v4.runtime.Token;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Objects;
 
 
 public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
@@ -49,10 +50,7 @@ public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
 
     @Override
 	public int hashCode() {
-    	int hash = 0;
-    	hash += super.hashCode();
-    	hash += this.name.hashCode();//Nur den Name hashen. Sorgt für langsame, aber funktionierende HashMaps
-        return hash;
+        return this.name.hashCode();//Nur den Name hashen. Sorgt für langsame, aber funktionierende HashMaps
 	}
 
     public RefType(JavaClassName fullyQualifiedName, List<RefTypeOrTPHOrWildcardOrGeneric> parameter, Token offset) {
@@ -83,6 +81,7 @@ public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
     public boolean equals(Object obj)
     {
         if(obj instanceof RefType){
+            if (!Objects.equals(this.name, ((RefType) obj).name)) return false;
             boolean ret = true;
             
             //if(!(super.equals(obj))) PL 2020-03-12 muss vll. einkommentiert werden   

src/main/java/de/dhbwstuttgart/syntaxtree/type/TypePlaceholder.java

@@ -21,10 +21,18 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
 	private final String name;
 	
 	/**
-	 * wird im Generate Generics Teil nach der Rueckumwandlung nach dem Unify genutzt
-	 */
+     * variance shows the variance of the pair
+     * 1: contravariant
+     * -1 covariant
+     * 0 invariant
+     */
 	private int variance = 0;
 	
+	/**
+	 * isWildcardable gibt an, ob ein Wildcardtyp dem PlaceholderType zugeordnet werden darf 
+	 */
+	private boolean wildcardable = true;
+	
 	/*
      * Fuer Oder-Constraints:
      * orCons = 1: Receiver
@@ -39,10 +47,12 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
      * Factory-Methode <code>fresh()</code> erzeugt.
      * <br>Author: J�rg B�uerle
      */
-    private TypePlaceholder(String name, Token offset)
+    private TypePlaceholder(String name, Token offset, int variance, boolean wildcardable)
     {
         super(offset);
         this.name = name;
+        this.variance = variance;
+        this.wildcardable = wildcardable;
     }
     
     
@@ -53,11 +63,15 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
      * @return
      */
     public static TypePlaceholder fresh(Token position){
-		return new TypePlaceholder(NameGenerator.makeNewName(), position);
+		return new TypePlaceholder(NameGenerator.makeNewName(), position, 0, true);
+    }
+    
+    public static TypePlaceholder fresh(Token position, int variance, boolean wildcardable){
+		return new TypePlaceholder(NameGenerator.makeNewName(), position, variance, wildcardable);
     }
 
     public static RefTypeOrTPHOrWildcardOrGeneric of(String name) {
-        return new TypePlaceholder(name, new NullToken());
+        return new TypePlaceholder(name, new NullToken(),0, true);
     }
 
 
@@ -120,4 +134,9 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
 	public byte getOrCons() {
 		return orCons;
 	}
+
+
+	public Boolean getWildcardtable() {
+		return wildcardable;
+	}
 }

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

@@ -57,6 +57,11 @@ public class OutputGenerator implements ASTVisitor {
         out.append(formalParameter.getName());
     }
 
+    @Override
+    public void visit(LiteralPattern literalPattern) {
+        literalPattern.value.accept(this);
+    }
+
     @Override
     public void visit(GenericDeclarationList genericTypeVars) {
         Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator();
@@ -508,12 +513,11 @@ public class OutputGenerator implements ASTVisitor {
         aRecordPattern.getType().accept(this);
         out.append("(");
         List<Pattern> subPatterns = aRecordPattern.getSubPattern();
-        int i;
-        for (i = 0; i < subPatterns.size() - 1; i++) {
+        for (var i = 0; i < subPatterns.size(); i++) {
             subPatterns.get(i).accept(this);
-            out.append(", ");
+            if (i < subPatterns.size() - 1)
+                out.append(", ");
         }
-        subPatterns.get(i).accept(this);
         String name;
         if ((name = aRecordPattern.getName()) != null)
             out.append(name);

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

@@ -1,10 +1,10 @@
+
 package de.dhbwstuttgart.target.generate;
 
-import de.dhbwstuttgart.bytecode.CodeGenException;
 import de.dhbwstuttgart.bytecode.FunNGenerator;
 import de.dhbwstuttgart.core.JavaTXCompiler;
-import de.dhbwstuttgart.environment.ByteArrayClassLoader;
 import de.dhbwstuttgart.environment.IByteArrayClassLoader;
+import de.dhbwstuttgart.exceptions.DebugException;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.*;
@@ -12,6 +12,8 @@ import de.dhbwstuttgart.syntaxtree.Record;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.syntaxtree.visual.ASTPrinter;
+import de.dhbwstuttgart.syntaxtree.visual.OutputGenerator;
 import de.dhbwstuttgart.target.tree.*;
 import de.dhbwstuttgart.target.tree.expression.*;
 import de.dhbwstuttgart.target.tree.type.*;
@@ -33,12 +35,17 @@ public class ASTToTargetAST {
 
     protected List<Generics> all;
     public Generics generics;
-    final Map<ClassOrInterface, Set<GenericTypeVar>> userDefinedGenerics = new HashMap<>();
+    public List<Generics> currentMethodOverloads;
+
     final Map<Method, Set<SignaturePair>> tphsInMethods = new HashMap<>();
     private Method currentMethod;
 
     public final JavaTXCompiler compiler;
 
+    public List<RefTypeOrTPHOrWildcardOrGeneric> findAllVariants(RefTypeOrTPHOrWildcardOrGeneric type) {
+        return javaGenerics().stream().map(generics -> generics.resolve(type)).distinct().toList();
+    }
+
     public List<GenericsResult> txGenerics() {
         return all.stream().map(generics -> new GenericsResult(generics.txGenerics)).toList();
     }
@@ -54,17 +61,19 @@ public class ASTToTargetAST {
     }
 
     public record Generics(JavaGenerics javaGenerics, TxGenerics txGenerics) {
+        public Generics(JavaTXCompiler compiler, ResultSet set) {
+            this(new JavaGenerics(compiler, set), new TxGenerics(compiler, set));
+        }
     }
 
-
     public IByteArrayClassLoader classLoader;
     protected SourceFile sourceFile;
 
-    public ASTToTargetAST(List<ResultSet> resultSets) {
-        this(null, resultSets);
+    public ASTToTargetAST(List<ResultSet> resultSets, IByteArrayClassLoader classLoader) {
+        this(null, resultSets, classLoader);
     }
-    public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets) {
-        this(compiler, resultSets, null, new ByteArrayClassLoader());
+    public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets, IByteArrayClassLoader classLoader) {
+        this(compiler, resultSets, null, classLoader);
     }
 
     public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets, SourceFile sourceFile, IByteArrayClassLoader classLoader) {
@@ -74,9 +83,9 @@ public class ASTToTargetAST {
 
         all = new ArrayList<>();
         for (var set : resultSets) {
-            all.add(new Generics(new JavaGenerics(this, set), new TxGenerics(this, set)));
+            all.add(new Generics(compiler, set));
         }
-        this.generics = all.get(0);
+        this.generics = all.getFirst();
     }
 
     public void addSignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {
@@ -86,9 +95,13 @@ public class ASTToTargetAST {
     }
 
     Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList) {
+        return findMethod(owner, name, argumentList, this.generics.javaGenerics, this.compiler);
+    }
+
+    public static Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList, GenerateGenerics generics, JavaTXCompiler compiler) {
         Optional<Method> method = Optional.empty();
         while (method.isEmpty()) {
-            method = owner.getMethods().stream().filter(m -> m.name.equals(name) && parameterEquals(m.getParameterList(), argumentList)).findFirst();
+            method = owner.getMethods().stream().filter(m -> m.name.equals(name) && parameterEquals(m.getParameterList(), argumentList, generics)).findFirst();
             if (owner.getClassName().toString().equals("java.lang.Object")) break;
             owner = compiler.getClass(owner.getSuperClass().getName());
         }
@@ -96,16 +109,16 @@ public class ASTToTargetAST {
     }
 
     Optional<Constructor> findConstructor(ClassOrInterface owner, List<TargetType> argumentList) {
-        return owner.getConstructors().stream().filter(c -> parameterEquals(c.getParameterList(), argumentList)).findFirst();
+        return owner.getConstructors().stream().filter(c -> parameterEquals(c.getParameterList(), argumentList, generics.javaGenerics)).findFirst();
     }
 
-    boolean parameterEquals(ParameterList parameterList, List<TargetType> arguments) {
+    static boolean parameterEquals(ParameterList parameterList, List<TargetType> arguments, GenerateGenerics generics) {
         var pars = parameterList.getFormalparalist();
         if (pars.size() != arguments.size())
             return false;
 
         for (var i = 0; i < pars.size(); i++) {
-            var type1 = convert(pars.get(i).getType(), generics.javaGenerics);
+            var type1 = generics.getTargetType(pars.get(i).getType());
             var type2 = arguments.get(i);
             if (type1 instanceof TargetGenericType)
                 return true;
@@ -138,57 +151,219 @@ public class ASTToTargetAST {
         return ret;
     }
 
-    public List<List<TargetMethod>> groupOverloads(ClassOrInterface input, List<Method> methods) {
-        var res = new ArrayList<List<TargetMethod>>();
-        for (var method : methods) {
-            // Convert all methods
-            var methodsWithTphs = convert(input, method);
-            // Then check for methods with the same signature
-            var mapOfSignatures = new HashMap<TargetMethod.Signature, List<MethodWithTphs>>();
-            for (var m : methodsWithTphs) {
-                var methodsWithSameSignature = mapOfSignatures.getOrDefault(m.method.signature(), new ArrayList<>());
-                methodsWithSameSignature.add(m);
-                mapOfSignatures.put(m.method.signature(), methodsWithSameSignature);
-            }
+    // This finds a common sealed interface type to group together methods that use different records
+    private List<ClassOrInterface> commonSuperInterfaceTypes(TargetType a, TargetType b) {
+        if (a instanceof TargetGenericType && b instanceof TargetGenericType) return List.of(ASTFactory.createObjectClass());
+        if (a instanceof TargetRefType ta && b instanceof TargetGenericType)
+            return List.of(compiler.getClass(new JavaClassName(ta.name())));
+        if (b instanceof TargetRefType tb && a instanceof TargetGenericType)
+            return List.of(compiler.getClass(new JavaClassName(tb.name())));
 
-            var resMethods = new HashSet<TargetMethod>();
-            for (var methodsWithSignature : mapOfSignatures.values()) {
-                outer: for (var m1 : methodsWithSignature) {
-                    for (var m2 : methodsWithSignature) {
-                        for (var i = 0; i < m1.args.size(); i++) {
-                            var arg1 = m1.args.get(i);
-                            var arg2 = m2.args.get(i);
-                            if (arg1.parameter.equals(arg2.parameter)) {
-                                if (isSupertype(arg1.signature, arg2.signature) &&
-                                    !arg1.signature.equals(arg2.signature)) continue outer;
+        if (a instanceof TargetRefType ta && b instanceof TargetRefType tb) {
+            var res = new HashSet<ClassOrInterface>();
+
+            var cla = compiler.getClass(new JavaClassName(ta.name()));
+            var clb = compiler.getClass(new JavaClassName(tb.name()));
+
+            if (cla.equals(clb)) return List.of(cla);
+
+            while (!cla.equals(ASTFactory.createObjectClass())) {
+                var clb2 = clb;
+                while (!clb2.equals(ASTFactory.createObjectClass())) {
+                    for (var intfa : cla.getSuperInterfaces()) {
+                        for (var intfb : clb.getSuperInterfaces()) {
+                            if (intfa.equals(intfb)) {
+                                var clintf = compiler.getClass(intfa.getName());
+                                if (clintf.isSealed()) {
+                                    res.add(clintf);
+                                }
                             }
                         }
                     }
-                    resMethods.add(m1.method);
+                    clb2 = compiler.getClass(clb2.getSuperClass().getName());
+                }
+                cla = compiler.getClass(cla.getSuperClass().getName());
+            }
+            return res.stream().toList();
+        }
+        return List.of();
+    }
+
+    // TODO This is ugly and probably doesn't work right
+    private boolean patternStrictlyEquals(TargetComplexPattern a, TargetComplexPattern b) {
+        if (!a.name().equals(b.name())) return false;
+        if (a.subPatterns().size() != b.subPatterns().size()) return false;
+        for (var i = 0; i < a.subPatterns().size(); i++) {
+            var p1 = a.subPatterns().get(i);
+            var p2 = b.subPatterns().get(i);
+            if (p1 instanceof TargetComplexPattern pc1 && p2 instanceof TargetComplexPattern pc2 &&
+                patternStrictlyEquals(pc1, pc2)) return false;
+            if (p1 instanceof TargetTypePattern pt1 && p2 instanceof TargetTypePattern pt2) {
+                if (pt1.type() instanceof TargetGenericType && pt2.type() instanceof TargetGenericType) continue;
+            }
+            if (!p1.type().equals(p2.type()) && commonSuperInterfaceTypes(p1.type(), p2.type()).isEmpty()) return false;
+        }
+        return true;
+    }
+
+    private boolean canCombine(TargetMethod m1, TargetMethod m2) {
+        if (!m1.name().equals(m2.name())) return false;
+        var s1 = m1.signature();
+        var s2 = m2.signature();
+        if (s1.parameters().size() != s2.parameters().size()) return false;
+        if (s1.parameters().isEmpty()) return false;
+        for (var i = 0; i < s1.parameters().size(); i++) {
+            var p1 = s1.parameters().get(i).pattern();
+            var p2 = s2.parameters().get(i).pattern();
+            if (p1.type() instanceof TargetGenericType || p2.type() instanceof TargetGenericType) continue;
+            if (p1 instanceof TargetComplexPattern pc1 && p2 instanceof TargetComplexPattern pc2 &&
+                patternStrictlyEquals(pc1, pc2)) return false;
+            if (!p1.equals(p2) && commonSuperInterfaceTypes(p1.type(), p2.type()).isEmpty()) return false;
+        }
+        return true;
+    }
+
+    private record Combination(TargetMethod a, TargetMethod b) {
+        @Override
+        public boolean equals(Object o) {
+            if (!(o instanceof Combination(TargetMethod a1, TargetMethod b1))) return false;
+            return this.a.equals(a1) && this.b.equals(b1) ||
+                this.a.equals(b1) && this.b.equals(a1);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hashCode(a) + Objects.hashCode(b);
+        }
+    }
+
+    public List<List<TargetMethod>> groupOverloads(ClassOrInterface input, List<Method> methods) {
+        var mapOfTargetMethods = new HashMap<Generics, TargetMethod[]>();
+        for (var generics : all) {
+            mapOfTargetMethods.put(generics, new TargetMethod[methods.size()]);
+        }
+
+        for (var i = 0; i < methods.size(); i++) {
+            var method = methods.get(i);
+            // Convert all methods
+            var methodsWithTphs = convert(input, method);
+            for (var m : methodsWithTphs) {
+                var resultMethods = mapOfTargetMethods.get(m.generics);
+                resultMethods[i] = m.method;
+            }
+        }
+        /*System.out.println("============== INPUT ==============");
+        for (var m : mapOfTargetMethods.values()) {
+            for (var v : m) System.out.println(v.name() + " " + v.getSignature());
+            System.out.println();
+        }*/
+
+        var allCombinations = new HashSet<Set<Combination>>();
+        // Combine methods based on their signature and position in the result set
+        for (var g1 : all) {
+            var resMeth1 = mapOfTargetMethods.get(g1);
+            for (var i = 0; i < methods.size(); i++) {
+                var m1 = resMeth1[i];
+                if (m1 == null) continue;
+
+                for (var g2 : all) {
+                    if (g1 == g2) continue; // No need to combine the same method
+                    var resMeth2 = mapOfTargetMethods.get(g2);
+                    var m2 = resMeth2[i];
+                    if (m2 == null) continue;
+
+                    var combinations = new HashSet<Combination>();
+
+                    if (canCombine(m1, m2)) {
+                        //System.out.println("     Combining " + m1.getSignature() + " and " + m2.getSignature());
+                        combinations.add(new Combination(m1, m2));
+                        for (var j = 0; j < methods.size(); j++) {
+                            if (j == i) continue;
+                            var m3 = resMeth2[j];
+                            if (m3 == null) continue;
+                            var m4 = resMeth1[j];
+                            if (m4 == null) continue;
+                            combinations.add(new Combination(m4, m3));
+                            //System.out.println("Also Combining " + m4.getSignature() + " and " + m3.getSignature());
+                        }
+                    } else {
+                        //System.out.println(" Not Combining " + m1.getSignature() + " and " + m2.getSignature());
+                    }
+                    if (!combinations.isEmpty()) allCombinations.add(combinations);
                 }
             }
-            res.add(resMethods.stream().toList());
         }
-        return res;
+
+        if (allCombinations.isEmpty()) allCombinations.add(new HashSet<>());
+
+        // Combine back into output format
+        var r0 = new HashSet<Set<TargetMethod>>();
+        for (var combinations : allCombinations) {
+            var r1 = new HashSet<Set<TargetMethod>>();
+            // This is used to weed out duplicates
+            var uniqued = new HashSet<TargetMethod>();
+            // We go over all methods in the result
+            for (var g : all) for (var i = 0; i < methods.size(); i++) {
+                var r2 = new HashSet<TargetMethod>();
+                var m = mapOfTargetMethods.get(g)[i];
+                if (m == null) continue;
+                if (!uniqued.contains(m)) {
+                    // Add the method to r2
+                    r2.add(m);
+                    uniqued.add(m);
+                } else continue;
+                // Find all combinations that contain the method and add them to the result
+                // if not filtered out by uniqued
+                for (var c : combinations) {
+                    if (c.a.equals(m) || c.b.equals(m)) {
+                        if (!uniqued.contains(c.a)) {
+                            r2.add(c.a);
+                            uniqued.add(c.a);
+                        }
+                        if (!uniqued.contains(c.b)) {
+                            r2.add(c.b);
+                            uniqued.add(c.b);
+                        }
+                    }
+                }
+                r1.add(r2);
+            }
+            outer: for (var s1 : r1) {
+                for (var s2 : new HashSet<>(r0)) {
+                    if (s2.containsAll(s1)) {
+                        continue outer;
+                    } else if (s1.containsAll(s2)) {
+                        r0.remove(s2);
+                        r0.add(s1);
+                        continue outer;
+                    }
+                }
+                r0.add(s1);
+            }
+        }
+
+        var result = r0.stream().map(l -> l.stream().toList()).toList();
+
+        System.out.println("============== OUTPUT ==============");
+        for (var l : result) {
+            for (var m : l) System.out.println(m.name() + " " + m.getSignature());
+            System.out.println();
+        }
+        return result;
     }
 
     public TargetStructure convert(ClassOrInterface input) {
         Set<TargetGeneric> javaGenerics = new HashSet<>();
         Set<TargetGeneric> txGenerics = new HashSet<>();
 
-        var genericsIter = input.getGenerics().iterator();
-        if (genericsIter.hasNext()) {
+        var userDefinedGenerics = input.getUserDefinedGenerics();
+        if (!userDefinedGenerics.isEmpty()) {
             // Add empty set of generics to cache so that it doesn't try to calculate it later
-            var userDefinedGenerics = new HashSet<GenericTypeVar>();
-            this.userDefinedGenerics.put(input, userDefinedGenerics);
-            while (genericsIter.hasNext()) {
-                var next = genericsIter.next();
-                userDefinedGenerics.add(next);
-                // TODO Support multiple bounds
-                javaGenerics.add(new TargetGeneric(next.getName(), convert(next.getBounds().get(0))));
+            for (var generic : userDefinedGenerics) {
+                // TODO Support multiple bouds
+                javaGenerics.add(new TargetGeneric(generic.getName(), convert(generic.getBounds().getFirst())));
             }
         } else {
-            this.userDefinedGenerics.put(input, new HashSet<>());
             // Generate generics only if there are no user defined ones
             javaGenerics = convert(generics.javaGenerics.generics(input), generics.javaGenerics);
             txGenerics = convert(generics.txGenerics.generics(input), generics.txGenerics);
@@ -202,7 +377,8 @@ public class ASTToTargetAST {
         var superInterfaces = input.getSuperInterfaces().stream().map(clazz -> convert(clazz, generics.javaGenerics)).toList();
         var constructors = input.getConstructors().stream().map(constructor -> this.convert(input, constructor, finalFieldInitializer)).flatMap(List::stream).toList();
         var fields = input.getFieldDecl().stream().map(this::convert).toList();
-        var methods = groupOverloads(input, input.getMethods()).stream().flatMap(List::stream).toList();
+        var methods = groupOverloads(input, input.getMethods()).stream().map(m -> generatePatternOverloads(input, m)).flatMap(List::stream)
+                .collect(Collectors.toSet()).stream().toList(); // Unique generated methods
 
         TargetMethod staticConstructor = null;
         if (input.getStaticInitializer().isPresent())
@@ -216,9 +392,14 @@ public class ASTToTargetAST {
     }
 
     public List<MethodParameter> convert(ParameterList input, GenerateGenerics generics) {
-        return input.getFormalparalist().stream().map(param ->
-            new MethodParameter((TargetPattern) convert(param))
-        ).toList();
+        var res = new ArrayList<MethodParameter>();
+        for (var i = 0; i < input.getFormalparalist().size(); i++) {
+            var param = input.getFormalparalist().get(i);
+            var pattern = (TargetPattern) convert(param);
+            if (pattern instanceof TargetComplexPattern) pattern = pattern.withName("__var" + i);
+            res.add(new MethodParameter(pattern));
+        }
+        return res;
     }
 
     private boolean hasGeneric(Set<TargetGeneric> generics, GenericRefType type) {
@@ -244,7 +425,7 @@ public class ASTToTargetAST {
     }
 
     private List<TargetConstructor> convert(ClassOrInterface currentClass, Constructor input, TargetBlock fieldInitializer) {
-        generics = all.get(0);
+        generics = all.getFirst();
         List<TargetConstructor> result = new ArrayList<>();
         Set<List<MethodParameter>> parameterSet = new HashSet<>();
         this.currentMethod = input;
@@ -267,69 +448,149 @@ public class ASTToTargetAST {
         return result;
     }
 
-    private String encodeName(String name, ParameterList params) {
+    private String encodeName(String name, TargetMethod.Signature params) {
         var res = new StringBuilder();
         res.append(name);
         res.append('$');
-        for (var param : params.getFormalparalist()) {
-            if (param instanceof RecordPattern rp) {
-                res.append(FunNGenerator.encodeType(convert(param.getType())));
-                for (var pattern : rp.getSubPattern()) {
-                    res.append(FunNGenerator.encodeType(convert(pattern.getType())));
-                }
-            }
+        for (var param : params.parameters()) {
+            encodeName(param.pattern(), res);
         }
         return res.toString();
     }
 
-    private List<TargetMethod> convert(ClassOrInterface clazz, List<Method> overloadedMethods) {
-        if (overloadedMethods.size() == 1) {
-            return convert(clazz, overloadedMethods.getFirst()).stream().map(m -> m.method()).toList();
-        }
-        var methods = new ArrayList<Method>();
-        for (var method : overloadedMethods) {
-            var newMethod = new Method(
-                    method.modifier,
-                    method.name,
-                    //encodeName(method.name, method.getParameterList()),
-                    method.getReturnType(),
-                    method.getParameterList(),
-                    method.block,
-                    method.getGenerics(),
-                    method.getOffset()
-            );
-            methods.add(newMethod);
-        }
-
-        // TODO Record overloading
-        /*var template = overloadedMethods.get(0);
-
-        var pParams = new ArrayList<Pattern>();
-        var i = 0;
-        for (var par : template.getParameterList()) {
-            pParams.add(switch (par) {
-                case RecordPattern rp -> new RecordPattern(rp.getSubPattern(), "par" + i, rp.getType(), new NullToken());
-                default -> par;
-            });
-            i++;
-        }
-        var params = new ParameterList(pParams, new NullToken());
-
-        var statements = new ArrayList<Statement>();
-        statements.add(new Return(makeRecordSwitch(template.getReturnType(), params, res), new NullToken()));
-        var block = new Block(statements, new NullToken());
-        var entryPoint = new Method(template.modifier, template.name, template.getReturnType(), params, block, template.getGenerics(), new NullToken());
-
-        res.add(entryPoint); // TODO*/
-        var res = new ArrayList<TargetMethod>();
-        for (var method : methods) {
-            var overloads = convert(clazz, method);
-            for (var m : overloads) {
-                var overload = m.method;
-                if (res.contains(overload)) throw new CodeGenException("Duplicate method found: " + overload.name() + " with signature " + overload.signature().getSignature());
-                res.add(overload);
+    private void encodeName(TargetPattern pattern, StringBuilder res) {
+        if (pattern instanceof TargetComplexPattern cp) {
+            res.append(FunNGenerator.encodeType(cp.type()));
+            for (var pat : cp.subPatterns()) {
+                encodeName(pat, res);
             }
+        } else {
+            res.append(FunNGenerator.encodeType(pattern.type()));
         }
+    }
+
+    private TargetExpression generatePatternOverloadsRec(int offset, TargetExpression switchExpr, List<TargetLocalVar> params, List<TargetPattern> patterns, List<TargetMethod> methods, TargetType classType) {
+        if (methods.isEmpty()) throw new DebugException("Couldn't find a candidate for switch overloading");
+        if (methods.size() == 1) {
+            var method = methods.getFirst();
+            var mParams = new ArrayList<TargetExpression>();
+            for (var i = 0; i < params.size(); i++) {
+                var tpe = method.signature().parameters().get(i).pattern().type();
+                mParams.add(new TargetLocalVar(tpe, params.get(i).name()));
+            }
+            TargetExpression caseBody = new TargetMethodCall(
+                method.signature().returnType(),
+                new TargetThis(classType),
+                mParams,
+                classType,
+                method.name(),
+                false, false, method.isPrivate()
+            );
+            if (method.signature().returnType() != null) {
+                caseBody = new TargetReturn(caseBody);
+            }
+            return caseBody;
+        }
+
+        var cases = new ArrayList<TargetSwitch.Case>();
+        var usedPatterns = new HashSet<TargetPattern>();
+
+        for (var method : methods) {
+            var patternsRec = new ArrayList<>(patterns);
+
+            TargetExpression expr = null;
+            var i = 0;
+            for (var param : method.signature().parameters()) {
+                if (i == offset) {
+                    patternsRec.add(param.pattern());
+                }
+                if (i > offset) {
+                    // Find next pattern
+                    expr = params.get(i);
+                    break;
+                }
+                i++;
+            }
+
+            var lastPattern = patternsRec.getLast();
+            if (usedPatterns.contains(lastPattern)) continue;
+            usedPatterns.add(lastPattern);
+
+            var candidates = methods.stream().filter(m -> {
+                var j = 0;
+                for (var param : m.signature().parameters()) {
+                    if (j >= patternsRec.size()) return true;
+                    if (!patternsRec.get(j).type().equals(param.pattern().type())) return false;
+                    j++;
+                }
+                return true;
+            }).toList();
+
+            var caseBody = generatePatternOverloadsRec(offset + 1, expr, params, patternsRec, candidates, classType);
+            var body = new TargetBlock(List.of(caseBody));
+            var case_ = new TargetSwitch.Case(List.of(lastPattern), body);
+
+            cases.add(case_);
+        }
+
+        return new TargetSwitch(switchExpr, cases, null, true);
+    }
+
+    private List<TargetMethod> generatePatternOverloads(ClassOrInterface clazz, List<TargetMethod> overloadedMethods) {
+        if (overloadedMethods.size() <= 1) return overloadedMethods;
+        // Check if we have a pattern as a parameter
+        var firstMethod = overloadedMethods.getFirst();
+        var secondMethod = overloadedMethods.get(1);
+        if (firstMethod.signature().parameters().stream().noneMatch(mp -> mp.pattern() instanceof TargetComplexPattern)) return overloadedMethods;
+        // Rename existing methods
+
+        var res = new ArrayList<TargetMethod>();
+        for (var method : overloadedMethods) {
+            var name = encodeName(method.name(), method.signature());
+            res.add(new TargetMethod(method.access(), name, method.block(), method.signature(), method.txSignature()));
+        }
+
+        var signatureParams = new ArrayList<MethodParameter>();
+        for (var i = 0; i < firstMethod.signature().parameters().size(); i++) {
+            var p1 = firstMethod.signature().parameters().get(i).pattern();
+            var t1 = p1.type();
+            var t2 = secondMethod.signature().parameters().get(i).pattern().type();
+            var commonSubTypes = new HashSet<>(commonSuperInterfaceTypes(t1, t2));
+            for (var m : overloadedMethods.subList(2, overloadedMethods.size())) {
+                var t3 = m.signature().parameters().get(i).pattern().type();
+                commonSubTypes.retainAll(commonSuperInterfaceTypes(t1, t3));
+            }
+            if (commonSubTypes.size() > 1) throw new DebugException("Invalid overload");
+            // TODO accept multiple types
+            var superType = ASTFactory.createObjectClass();
+            if (!commonSubTypes.isEmpty())
+                superType = commonSubTypes.iterator().next();
+
+            String name;
+            if (p1 instanceof TargetComplexPattern) name = "__var" + i;
+            else name = p1.name();
+            signatureParams.add(new MethodParameter(new TargetRefType(superType.getClassName().toString()), name));
+        }
+
+        var commonSubTypes = new HashSet<>(commonSuperInterfaceTypes(firstMethod.signature().returnType(), secondMethod.signature().returnType()));
+        for (var m : overloadedMethods.subList(2, overloadedMethods.size())) {
+            commonSubTypes.retainAll(commonSuperInterfaceTypes(firstMethod.signature().returnType(), m.signature().returnType()));
+        }
+        var returnType = commonSubTypes.isEmpty() ? TargetType.Object : new TargetRefType(commonSubTypes.iterator().next().getClassName().toString());
+
+        var parameters = signatureParams.stream().map( p -> new TargetLocalVar(p.pattern().type(), p.pattern().name())).toList();
+        //var patterns = List.of((TargetComplexPattern) firstMethod.signature().parameters().stream()
+        //       .filter(p -> p.pattern() instanceof TargetComplexPattern).findFirst().orElseThrow().pattern());
+
+        // Generate dispatch method
+        var classType = new TargetRefType(clazz.getClassName().getClassName());
+        var stmt = generatePatternOverloadsRec(0, new TargetLocalVar(signatureParams.getFirst().pattern().type(), signatureParams.getFirst().pattern().name()), parameters, List.of(), res, classType);
+        var block = new TargetBlock(List.of(stmt));
+
+        var signature = new TargetMethod.Signature(Set.of(), signatureParams, returnType);
+        var bridgeMethod = new TargetMethod(firstMethod.access(), firstMethod.name(), block, signature, firstMethod.txSignature());
+
+        res.add(bridgeMethod);
         return res;
     }
 
@@ -374,13 +635,30 @@ public class ASTToTargetAST {
         }).findFirst();
     }
 
-    record MethodWithTphs(TargetMethod method, List<SignaturePairTarget> args) {}
+    record MethodWithTphs(TargetMethod method, Generics generics, List<SignaturePairTarget> args) {
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (!(o instanceof MethodWithTphs that)) return false;
+            return Objects.equals(method, that.method) && Objects.equals(args, that.args);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(method, args);
+        }
+    }
+
+    record Signature(TargetMethod.Signature java, TargetMethod.Signature tx, Generics generics) {}
 
     private List<MethodWithTphs> convert(ClassOrInterface currentClass, Method method) {
         generics = all.getFirst();
         List<MethodWithTphs> result = new ArrayList<>();
         this.currentMethod = method;
 
+        List<Signature> signatures = new ArrayList<>();
+        HashMap<TargetMethod.Signature, List<Generics>> collectedGenerics = new HashMap<>();
+
         for (var s : all) {
             generics = s;
             var javaGenerics = this.generics.javaGenerics.generics(currentClass, method);
@@ -404,11 +682,21 @@ public class ASTToTargetAST {
 
             var javaSignature = new TargetMethod.Signature(javaMethodGenerics, params, returnType);
             var txSignature = new TargetMethod.Signature(txMethodGenerics, txParams, convert(method.getReturnType(), this.generics.txGenerics));
-            var newMethod = new TargetMethod(method.modifier, method.name, convert(method.block), javaSignature, txSignature);
 
+            signatures.add(new Signature(javaSignature, txSignature, generics));
+            var listOfGenerics = collectedGenerics.getOrDefault(javaSignature, new ArrayList<>());
+            listOfGenerics.add(generics);
+            collectedGenerics.put(javaSignature, listOfGenerics);
+        }
+
+        for (var signature : signatures) {
+            generics = signature.generics;
+            currentMethodOverloads = collectedGenerics.get(signature.java);
+
+            var newMethod = new TargetMethod(method.modifier, method.name, convert(method.block), signature.java, signature.tx);
             var concreteParams = tphsInMethods.getOrDefault(method, new HashSet<>()).stream().map(sig -> new SignaturePairTarget(convert(sig.signature), convert(sig.parameter))).toList();
 
-            result.add(new MethodWithTphs(newMethod, concreteParams));
+            result.add(new MethodWithTphs(newMethod, generics, concreteParams));
         }
 
         return result;
@@ -418,7 +706,9 @@ public class ASTToTargetAST {
         var list = new ArrayList<MethodParameter>();
         for (var i = 0; i < paraList.getFormalparalist().size(); i++) {
             var param = paraList.getParameterAt(i);
-            list.add(new MethodParameter((TargetPattern) convert(param)).withType(convert(superList.getParameterAt(i).getType(), generics)));
+            var pattern = (TargetPattern) convert(param);
+            if (pattern instanceof TargetComplexPattern) pattern = pattern.withName("__var" + i);
+            list.add(new MethodParameter(pattern).withType(convert(superList.getParameterAt(i).getType(), generics)));
         }
         return list;
     }
@@ -449,11 +739,6 @@ public class ASTToTargetAST {
         return new TargetField(input.modifier, convert(input.getType(), generics.javaGenerics), input.getName());
     }
 
-    private final Map<String, FunNGenerator.GenericParameters> usedFunN = new HashMap<>();
-    private final Set<Integer> usedFunNSuperTypes = new HashSet<>();
-
-    public Map<String, byte[]> auxiliaries = new HashMap<>();
-
     public TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input) {
         return convert(input, generics.javaGenerics);
     }
@@ -486,7 +771,15 @@ public class ASTToTargetAST {
         return TargetFunNType.fromParams(params, filteredParams, gep.getReturnType() != null ? 1 : 0);
     }
 
+    private FunNGenerator.GenericParameters convertToParameters(TargetFunNType input) {
+        return null;
+    }
+
     private boolean isSubtype(TargetType test, TargetType other) {
+        if (other.equals(TargetType.Object)) return true;
+        if (test instanceof TargetFunNType tfun && other instanceof TargetFunNType ofun)
+            return isSubtype(new FunNGenerator.GenericParameters(tfun), new FunNGenerator.GenericParameters(ofun));
+
         var testClass = compiler.getClass(new JavaClassName(test.name()));
         var otherClass = compiler.getClass(new JavaClassName(other.name()));
         if (testClass == null) return false;
@@ -514,28 +807,24 @@ public class ASTToTargetAST {
     }
 
     public void generateFunNTypes() {
-        for (var entry : usedFunN.entrySet()) {
+        for (var entry : compiler.usedFunN.entrySet()) {
             var gep = entry.getValue();
-            var superInterfaces = usedFunN.values().stream()
+            var superInterfaces = compiler.usedFunN.values().stream()
                 .filter(g -> !g.equals(gep))
                 .filter(genericParameters -> isSubtype(gep, genericParameters))
                 .map(FunNGenerator::getSpecializedClassName)
                 .toList();
 
             var code = FunNGenerator.generateSpecializedBytecode(gep, superInterfaces);
-
-            try {
-                classLoader.findClass(entry.getKey());
-            } catch (ClassNotFoundException e) {
-                try {
-                    classLoader.loadClass(code);
-                } catch (LinkageError ignored) {}
-            }
-            auxiliaries.put(entry.getKey(), code);
+            compiler.auxiliaries.put(entry.getKey(), code);
         }
     }
 
-    protected TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
+    public TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
+        return convert(input, generics, compiler);
+    }
+
+    public static TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics, JavaTXCompiler compiler) {
         return input.acceptTV(new TypeVisitor<>() {
             @Override
             public TargetType visit(RefType refType) {
@@ -547,31 +836,31 @@ public class ASTToTargetAST {
                 }
 
                 var params = refType.getParaList().stream().map(type -> {
-                    return convert(type, generics);
+                    return convert(type, generics, compiler);
                 }).toList();
 
                 if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea
                     var returnType = FunNGenerator.getReturnType(params);
                     var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), returnType);
-                    if (!usedFunNSuperTypes.contains(params.size())) {
-                        usedFunNSuperTypes.add(params.size());
+                    if (!compiler.usedFunNSuperTypes.contains(params.size())) {
+                        compiler.usedFunNSuperTypes.add(params.size());
                         var code = FunNGenerator.generateSuperBytecode(params.size() - 1, returnType != null ? 1 : 0);
                         var superClassName = FunNGenerator.getSuperClassName(params.size() - 1, returnType != null ? 1 : 0);
                         try {
-                            classLoader.findClass(superClassName);
+                            compiler.classLoader.findClass(superClassName);
                         } catch (ClassNotFoundException e) {
                             try {
-                                classLoader.loadClass(code);
+                                compiler.classLoader.loadClass(superClassName, code);
                             } catch (LinkageError ignored) {}
                         }
-                        auxiliaries.put(superClassName, code);
+                        compiler.auxiliaries.put(superClassName, code);
                     }
                     FunNGenerator.GenericParameters gep = null;
-                    if (!usedFunN.containsKey(className)) {
+                    if (!compiler.usedFunN.containsKey(className)) {
                         gep = new FunNGenerator.GenericParameters(params, returnType != null ? 1 : 0);
-                        usedFunN.put(className, gep);
+                        compiler.usedFunN.put(className, gep);
                     } else {
-                        gep = usedFunN.get(className);
+                        gep = compiler.usedFunN.get(className);
                     }
                     return flattenFunNType(params, gep);
                 }
@@ -580,7 +869,7 @@ public class ASTToTargetAST {
 
             @Override
             public TargetType visit(SuperWildcardType superWildcardType) {
-                return new TargetSuperWildcard(convert(superWildcardType.getInnerType(), generics));
+                return new TargetSuperWildcard(convert(superWildcardType.getInnerType(), generics, compiler));
             }
 
             @Override
@@ -590,7 +879,7 @@ public class ASTToTargetAST {
 
             @Override
             public TargetType visit(ExtendsWildcardType extendsWildcardType) {
-                return new TargetExtendsWildcard(convert(extendsWildcardType.getInnerType(), generics));
+                return new TargetExtendsWildcard(convert(extendsWildcardType.getInnerType(), generics, compiler));
             }
 
             @Override

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

@@ -1,10 +1,9 @@
 package de.dhbwstuttgart.target.generate;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
-import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.Constructor;
-import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
-import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.syntaxtree.type.Void;
@@ -21,7 +20,7 @@ import java.util.stream.Stream;
 
 public abstract class GenerateGenerics {
 
-    private final ASTToTargetAST astToTargetAST;
+    private final JavaTXCompiler compiler;
 
     public class TPH {
         private final TypePlaceholder wrap;
@@ -134,11 +133,11 @@ public abstract class GenerateGenerics {
     final Map<Method, Set<Pair>> familyOfMethods = new HashMap<>();
 
     final Set<PairLT> simplifiedConstraints = new HashSet<>();
-    final Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes = new HashMap<>();
-    final Map<TypePlaceholder, TypePlaceholder> equality = new HashMap<>();
+    Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes = new HashMap<>();
+    Map<TypePlaceholder, TypePlaceholder> equality = new HashMap<>();
 
-    GenerateGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) {
-        this.astToTargetAST = astToTargetAST;
+    GenerateGenerics(JavaTXCompiler compiler, ResultSet constraints) {
+        this.compiler = compiler;
         for (var constraint : constraints.results) {
             if (constraint instanceof PairTPHsmallerTPH p) {
                 System.out.println(p.left + " " + p.left.getVariance());
@@ -154,6 +153,41 @@ public abstract class GenerateGenerics {
         System.out.println("Simplified constraints: " + simplifiedConstraints);
     }
 
+    /*public record GenericsState(Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes, Map<TypePlaceholder, TypePlaceholder> equality) {}
+
+    public GenericsState store() {
+        return new GenericsState(new HashMap<>(concreteTypes), new HashMap<>(equality));
+    }
+
+    public void restore(GenericsState state) {
+        this.concreteTypes = state.concreteTypes;
+        this.equality = state.equality;
+    }
+
+    public void addOverlay(TypePlaceholder from, RefTypeOrTPHOrWildcardOrGeneric to) {
+        if (to instanceof TypePlaceholder t) equality.put(from, t);
+        else if (to instanceof RefType t) concreteTypes.put(new TPH(from), t);
+    }*/
+
+    Set<TPH> findTypeVariables(ParameterList params) {
+        var res = new HashSet<TPH>();
+        for (var param : params.getFormalparalist()) {
+            res.addAll(findTypeVariables(param));
+        }
+        return res;
+    }
+
+    Set<TPH> findTypeVariables(Pattern pattern) {
+        var res = new HashSet<TPH>();
+        if (pattern instanceof RecordPattern rp) {
+            for (var subPattern : rp.getSubPattern()) {
+                res.addAll(findTypeVariables(subPattern));
+            }
+        }
+        res.addAll(findTypeVariables(pattern.getType()));
+        return res;
+    }
+
     Set<TPH> findTypeVariables(RefTypeOrTPHOrWildcardOrGeneric type) {
         var result = new HashSet<TPH>();
         if (type instanceof TypePlaceholder tph) {
@@ -249,7 +283,7 @@ public abstract class GenerateGenerics {
             Set<TPH> typeVariablesOfClass,
             Set<Pair> result
     ) {
-        var userDefinedGenericsOfClass = astToTargetAST.userDefinedGenerics.get(owner);
+        var userDefinedGenericsOfClass = owner.getUserDefinedGenerics();
 
         // Type variables with bounds that are also type variables of the method
         for (var typeVariable : new HashSet<>(typeVariables)) {
@@ -297,7 +331,7 @@ public abstract class GenerateGenerics {
 
                     if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver) {
                         if (expressionReceiver.expr instanceof This) {
-                            var optMethod = astToTargetAST.findMethod(owner, methodCall.name, methodCall.signatureArguments().stream().map(astToTargetAST::convert).toList());
+                            var optMethod = ASTToTargetAST.findMethod(owner, methodCall.name, methodCall.signatureArguments().stream().map(x -> getTargetType(x)).toList(), GenerateGenerics.this, compiler);
                             if (optMethod.isEmpty()) return;
                             var method2 = optMethod.get();
                             System.out.println("In: " + method.getName() + " Method: " + method2.getName());
@@ -490,9 +524,7 @@ public abstract class GenerateGenerics {
 
         if (!(method instanceof Constructor))
             typeVariables.addAll(findTypeVariables(method.getReturnType()));
-        for (var arg : method.getParameterList().getFormalparalist()) {
-            typeVariables.addAll(findTypeVariables(arg.getType()));
-        }
+        typeVariables.addAll(findTypeVariables(method.getParameterList()));
 
         if (method.block != null)
             method.block.accept(new TracingStatementVisitor() {
@@ -556,9 +588,7 @@ public abstract class GenerateGenerics {
 
         var usedTphs = new HashSet<TPH>();
         // For eliminating inner type variables we need to figure out which ones are actually used
-        for (var param : method.getParameterList().getFormalparalist()) {
-            usedTphs.addAll(findTypeVariables(param.getType()));
-        }
+        usedTphs.addAll(findTypeVariables(method.getParameterList()));
         usedTphs.addAll(findTypeVariables(method.getReturnType()));
         referenced.addAll(usedTphs);
         referenced.addAll(typeVariablesOfClass);
@@ -652,17 +682,25 @@ public abstract class GenerateGenerics {
     }
 
     void normalize(Set<Pair> result, Set<Pair> classGenerics, Set<TPH> usedTphs) {
-        outer:
+        for (var p1 : new HashSet<>(result)) {
+            if (p1 instanceof PairLT ptph && ptph.left.resolve().equals(ptph.right.resolve()))
+                result.remove(p1); // TODO This is a bit strange
+        }
         for (var tph : usedTphs) {
-            for (var p1 : new HashSet<>(result)) {
-                if (p1 instanceof PairLT ptph && ptph.left.equals(ptph.right))
-                    result.remove(p1); // TODO This is a bit strange
-                if (p1.left.equals(tph)) continue outer;
-            }
-
             if (classGenerics == null || classGenerics.stream().noneMatch((pair) -> pair.left.equals(tph)))
                 addToPairs(result, new PairEQ(tph, ASTToTargetAST.OBJECT));
         }
+        var all = new HashSet<>(result);
+        for (var p : all) {
+            if (p instanceof PairEQ peq && peq.right.equals(ASTToTargetAST.OBJECT)) {
+                for (var p2 : all) {
+                    if (p2 instanceof PairLT && p2.left.equals(p.left)) {
+                        result.remove(p);
+                        break;
+                    }
+                }
+            }
+        }
     }
 
     private record ToAdd(TypePlaceholder left, TypePlaceholder right) {}
@@ -969,8 +1007,8 @@ public abstract class GenerateGenerics {
             }
             var type = concreteTypes.get(new TPH(tph));
             if (type == null) return new TargetGenericType(tph.getName());
-            return astToTargetAST.convert(type, this);
+            return ASTToTargetAST.convert(type, this, compiler);
         }
-        return astToTargetAST.convert(in, this);
+        return ASTToTargetAST.convert(in, this, compiler);
     }
 }

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

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

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

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

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

@@ -1,24 +1,22 @@
 package de.dhbwstuttgart.target.generate;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.exceptions.DebugException;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.*;
-import de.dhbwstuttgart.syntaxtree.factory.PrimitiveMethodsGenerator;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.target.tree.MethodParameter;
-import de.dhbwstuttgart.target.tree.TargetGeneric;
 import de.dhbwstuttgart.target.tree.TargetMethod;
 import de.dhbwstuttgart.target.tree.expression.*;
 import de.dhbwstuttgart.target.tree.type.*;
 
-import javax.swing.text.html.Option;
 import java.lang.reflect.Modifier;
+import java.sql.Array;
 import java.util.*;
-import java.util.stream.Stream;
+import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
 
 public class StatementToTargetExpression implements ASTVisitor {
@@ -35,54 +33,71 @@ public class StatementToTargetExpression implements ASTVisitor {
         throw new NotImplementedException();
     }
 
+    private class LambdaCaptureFinder extends TracingStatementVisitor {
+
+        // TODO The same mechanism is implemented in Codegen, maybe use it from there?
+        final Stack<Set<String>> localVariables = new Stack<>();
+        private final List<MethodParameter> parameters;
+        private final List<MethodParameter> captures;
+
+        LambdaCaptureFinder(List<MethodParameter> parameters, List<MethodParameter> captures) {
+            localVariables.push(new HashSet<>());
+            this.parameters = parameters;
+            this.captures = captures;
+        }
+
+        boolean hasLocalVar(String name) {
+            for (var localVariables : this.localVariables) {
+                if (localVariables.contains(name))
+                    return true;
+            }
+            return false;
+        }
+
+        @Override
+        public void visit(Block block) {
+            localVariables.push(new HashSet<>());
+            super.visit(block);
+            localVariables.pop();
+        }
+
+        @Override
+        public void visit(LocalVar localVar) {
+            super.visit(localVar);
+            var capture = new MethodParameter(new TargetTypePattern(converter.convert(localVar.getType()), localVar.name));
+            if (!hasLocalVar(localVar.name) && !parameters.contains(capture) && !captures.contains(capture))
+                captures.add(capture);
+        }
+
+        @Override
+        public void visit(LocalVarDecl varDecl) {
+            var localVariables = this.localVariables.peek();
+            localVariables.add(varDecl.getName());
+        }
+
+        @Override
+        public void visit(LambdaExpression lambda) {
+            var newCaptures = new ArrayList<MethodParameter>();
+            var captureFinder = new LambdaCaptureFinder(createParameters(lambda), newCaptures);
+            lambda.methodBody.accept(captureFinder);
+            newCaptures.removeAll(parameters);
+            captures.addAll(newCaptures);
+        }
+    }
+
+    private List<MethodParameter> createParameters(LambdaExpression lambda) {
+        return StreamSupport.stream(lambda.params.spliterator(), false)
+            .map(p -> (FormalParameter) p)
+            .map(p -> new MethodParameter(new TargetTypePattern(converter.convert(p.getType()), p.getName())))
+            .toList();
+    }
+
     @Override
     public void visit(LambdaExpression lambdaExpression) {
-        var parameters = StreamSupport.stream(lambdaExpression.params.spliterator(), false)
-                .map(p -> (FormalParameter) p)
-                .map(p -> new MethodParameter(new TargetTypePattern(converter.convert(p.getType()), p.getName())))
-                .toList();
-
+        var parameters = createParameters(lambdaExpression);
         List<MethodParameter> captures = new ArrayList<>();
-        lambdaExpression.methodBody.accept(new TracingStatementVisitor() {
-            // TODO The same mechanism is implemented in Codegen, maybe use it from there?
-            final Stack<Set<String>> localVariables = new Stack<>();
-            {
-                localVariables.push(new HashSet<>());
-            }
-
-            boolean hasLocalVar(String name) {
-                for (var localVariables : this.localVariables) {
-                    if (localVariables.contains(name))
-                        return true;
-                }
-                return false;
-            }
-
-            @Override
-            public void visit(Block block) {
-                localVariables.push(new HashSet<>());
-                super.visit(block);
-                localVariables.pop();
-            }
-
-            @Override
-            public void visit(LocalVar localVar) {
-                super.visit(localVar);
-                var capture = new MethodParameter(new TargetTypePattern(converter.convert(localVar.getType()), localVar.name));
-                if (!hasLocalVar(localVar.name) && !parameters.contains(capture) && !captures.contains(capture))
-                    captures.add(capture);
-            }
-
-            @Override
-            public void visit(LocalVarDecl varDecl) {
-                var localVariables = this.localVariables.peek();
-                localVariables.add(varDecl.getName());
-            }
-
-            @Override
-            public void visit(LambdaExpression lambda) {
-            } // Don't look at lambda expressions
-        });
+        var visitor = new LambdaCaptureFinder(parameters, captures);
+        lambdaExpression.methodBody.accept(visitor);
 
         TargetMethod.Signature signature = new TargetMethod.Signature(Set.of(), parameters, converter.convert(lambdaExpression.getReturnType()));;
         var tpe = converter.convert(lambdaExpression.getType());
@@ -123,7 +138,10 @@ public class StatementToTargetExpression implements ASTVisitor {
 
     @Override
     public void visit(BoolExpression bool) {
-        System.out.println("BoolExpression");
+        result = switch(bool.operation) {
+        case OR -> new TargetBinaryOp.Or(converter.convert(bool.getType()), converter.convert(bool.lexpr), converter.convert(bool.rexpr));
+        case AND -> new TargetBinaryOp.And(converter.convert(bool.getType()), converter.convert(bool.lexpr), converter.convert(bool.rexpr));
+        };
     }
 
     @Override
@@ -143,7 +161,11 @@ public class StatementToTargetExpression implements ASTVisitor {
 
     @Override
     public void visit(FieldVar fieldVar) {
-        result = new TargetFieldVar(converter.convert(fieldVar.getType()), converter.convert(fieldVar.receiver.getType()), fieldVar.isStatic, converter.convert(fieldVar.receiver), fieldVar.fieldVarName);
+        var isStatic = false;
+        var type = converter.convert(fieldVar.receiver.getType());
+        var clazz = converter.compiler.getClass(new JavaClassName(type.name()));
+        var field = clazz.getField(fieldVar.fieldVarName).orElseThrow();
+        result = new TargetFieldVar(converter.convert(fieldVar.getType()), type, Modifier.isStatic(field.modifier), converter.convert(fieldVar.receiver), fieldVar.fieldVarName);
     }
 
     @Override
@@ -386,9 +408,94 @@ public class StatementToTargetExpression implements ASTVisitor {
         result = new TargetTernary(converter.convert(ternary.getType()), converter.convert(ternary.cond), converter.convert(ternary.iftrue), converter.convert(ternary.iffalse));
     }
 
+    record TypeVariants(RefTypeOrTPHOrWildcardOrGeneric in, List<RefTypeOrTPHOrWildcardOrGeneric> types) {}
+
+    private List<TypeVariants> extractAllPatterns(Pattern pattern) {
+        return switch (pattern) {
+            case GuardedPattern guarded -> extractAllPatterns(guarded.getNestedPattern());
+            case RecordPattern recordPattern -> recordPattern.getSubPattern().stream()
+                    .map(this::extractAllPatterns)
+                    .flatMap(List::stream).toList();
+            case FormalParameter param -> List.of(new TypeVariants(param.getType(), converter.findAllVariants(param.getType())));
+            default -> List.of();
+        };
+    }
+
+    record TypePair(RefTypeOrTPHOrWildcardOrGeneric in, RefTypeOrTPHOrWildcardOrGeneric out) {}
+
+    private void cartesianProduct(
+            List<TypeVariants> variants, int index,
+            List<RefTypeOrTPHOrWildcardOrGeneric> current,
+            List<List<RefTypeOrTPHOrWildcardOrGeneric>> result) {
+
+        if (index == variants.size()) {
+            result.add(new ArrayList<>(current));
+            return;
+        }
+        var currentSet = variants.get(index).types;
+        for (var element: currentSet) {
+            current.add(element);
+            cartesianProduct(variants, index + 1, current, result);
+            current.removeLast();
+        }
+    }
+
+    private List<List<TypePair>> cartesianProduct(List<TypeVariants> variants) {
+        var prod = new ArrayList<List<RefTypeOrTPHOrWildcardOrGeneric>>();
+        cartesianProduct(variants, 0, new ArrayList<>(), prod);
+
+        var res = new ArrayList<List<TypePair>>();
+        for (var list : prod) {
+            var l = new ArrayList<TypePair>();
+            for (var i = 0; i < list.size(); i++) {
+                l.add(new TypePair(variants.get(i).in, list.get(i)));
+            }
+            res.add(l);
+        }
+        return res;
+    }
+
     @Override
     public void visit(Switch switchStmt) {
-        var cases = switchStmt.getBlocks().stream().filter(s -> !s.isDefault()).map(converter::convert).toList();
+        var variants = converter.findAllVariants(switchStmt.getSwitch().getType());
+        var returns = converter.findAllVariants(switchStmt.getType());
+        var canBeOverloaded = variants.size() == 1 && returns.size() == 1;
+
+        var cases = switchStmt.getBlocks().stream().filter(s -> !s.isDefault()).map(case_ -> {
+            var overloads = new ArrayList<TargetSwitch.Case>();
+
+            if (canBeOverloaded) {
+                for (var label: case_.getLabels()) {
+                    var product = cartesianProduct(extractAllPatterns(label.getPattern()));
+
+                    for (var l : product) {
+                        var oldGenerics = converter.generics;
+
+                        // Set the generics to matching result set
+                        for (var generics : converter.currentMethodOverloads) {
+                            var java = generics.javaGenerics();
+                            var equals = true;
+                            for (var pair : l) {
+                                if (!java.getType(pair.in).equals(pair.out)) {
+                                    equals = false; break;
+                                }
+                            }
+                            if (equals) {
+                                converter.generics = generics;
+                                break;
+                            }
+                        }
+
+                        overloads.add(converter.convert(case_));
+                        converter.generics = oldGenerics;
+                    }
+                }
+            } else {
+                overloads.add(converter.convert(case_));
+            }
+
+            return overloads;
+        }).flatMap(List::stream).toList();
 
         TargetSwitch.Case default_ = null;
         for (var block : switchStmt.getBlocks()) {
@@ -482,6 +589,11 @@ public class StatementToTargetExpression implements ASTVisitor {
         result = new TargetTypePattern(converter.convert(aPattern.getType()), aPattern.getName());
     }
 
+    @Override
+    public void visit(LiteralPattern literalPattern) {
+        result = new TargetExpressionPattern(converter.convert(literalPattern.value));
+    }
+
     @Override
     public void visit(ExpressionPattern aPattern) {
         result = converter.convert(aPattern.getExpression());

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

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

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

@@ -11,4 +11,8 @@ public record MethodParameter(TargetPattern pattern) {
     public MethodParameter withType(TargetType type) {
         return new MethodParameter(pattern.withType(type));
     }
+
+    public MethodParameter withName(String name) {
+        return new MethodParameter(pattern.withName(name));
+    }
 }

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

@@ -18,6 +18,19 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
         public String getDescriptor() {
             return TargetMethod.getDescriptor(returnType, parameters.stream().map(MethodParameter::pattern).map(TargetPattern::type).toArray(TargetType[]::new));
         }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            Signature signature = (Signature) o;
+            return Objects.equals(parameters, signature.parameters);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(parameters);
+        }
     }
 
     public static String getDescriptor(TargetType returnType, TargetType... parameters) {
@@ -66,6 +79,10 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
         return (access & Opcodes.ACC_STATIC) != 0;
     }
 
+    public boolean isPrivate() {
+        return (access & Opcodes.ACC_PRIVATE) != 0;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof TargetMethod otherMethod)) return false;

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

@@ -9,4 +9,9 @@ public record TargetComplexPattern(TargetType type, String name, List<TargetPatt
     public TargetComplexPattern withType(TargetType type) {
         return new TargetComplexPattern(type, name, subPatterns);
     }
+
+    @Override
+    public TargetComplexPattern withName(String name) {
+        return new TargetComplexPattern(type, name, subPatterns);
+    }
 }

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

@@ -0,0 +1,20 @@
+package de.dhbwstuttgart.target.tree.expression;
+
+import de.dhbwstuttgart.target.tree.type.TargetType;
+
+public record TargetExpressionPattern(TargetExpression expression) implements TargetPattern {
+    @Override
+    public TargetPattern withType(TargetType type) {
+        return this;
+    }
+
+    @Override
+    public TargetType type() {
+        return expression.type();
+    }
+
+    @Override
+    public TargetPattern withName(String name) {
+        return this;
+    }
+}

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

@@ -12,4 +12,9 @@ public record TargetGuard(TargetPattern inner, TargetExpression expression) impl
     public TargetType type() {
         return inner.type();
     }
+
+    @Override
+    public TargetGuard withName(String name) {
+        return new TargetGuard(inner.withName(name), expression);
+    }
 }

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

@@ -2,7 +2,7 @@ package de.dhbwstuttgart.target.tree.expression;
 
 import de.dhbwstuttgart.target.tree.type.TargetType;
 
-public sealed interface TargetPattern extends TargetExpression permits TargetComplexPattern, TargetGuard, TargetTypePattern {
+public sealed interface TargetPattern extends TargetExpression permits TargetComplexPattern, TargetExpressionPattern, TargetGuard, TargetTypePattern {
     default String name() {
         return null;
     }
@@ -10,4 +10,6 @@ public sealed interface TargetPattern extends TargetExpression permits TargetCom
     TargetPattern withType(TargetType type);
 
     TargetType type();
+
+    TargetPattern withName(String name);
 }

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

@@ -7,4 +7,9 @@ public record TargetTypePattern(TargetType type, String name) implements TargetP
     public TargetTypePattern withType(TargetType type) {
         return new TargetTypePattern(type, name);
     }
+
+    @Override
+    public TargetTypePattern withName(String name) {
+        return new TargetTypePattern(type, name);
+    }
 }

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

@@ -13,7 +13,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-public class TypeInsertPlacer extends AbstractASTWalker{
+public class TypeInsertPlacer extends AbstractASTWalker {
     Set<TypeInsert> inserts = new HashSet<>();
     private ResultSet withResults;
     String pkgName;

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

@@ -6,7 +6,7 @@ import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 
-public class Constraint<A> extends HashSet<A> {
+public class Constraint<A> extends HashSet<A> implements Comparable<Constraint<A>> {
 	private static final long serialVersionUID = 1L;
 	private Boolean isInherited = false;//wird beides nur für die Method-Constraints benoetigt
 	private Boolean isImplemented = false;
@@ -73,5 +73,9 @@ public class Constraint<A> extends HashSet<A> {
 	public String toStringBase() {
 		return super.toString();
 	}
-	
+
+	@Override
+	public int compareTo(Constraint<A> o) {
+		return this.toString().compareTo(o.toString());
+	}
 }

src/main/java/de/dhbwstuttgart/typeinference/result/ResultPair.java

@@ -5,7 +5,7 @@ import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 /**
  * Paare, welche das Unifikationsergebnis darstellen
  */
-public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B extends RefTypeOrTPHOrWildcardOrGeneric> {
+public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric, B extends RefTypeOrTPHOrWildcardOrGeneric> implements Comparable<ResultPair<A,B>> {
     private final A left;
     private final B right;
 
@@ -58,5 +58,14 @@ public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B ext
 			return false;
 		return true;
 	}
+
+	@Override
+	public int compareTo(ResultPair<A, B> o) {
+		if (o == null) {
+			return 1; // this is greater than null
+		}
+
+		return o.left.toString().compareTo(this.left.toString());
+	}
    
 }

src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java

@@ -1,6 +1,8 @@
 package de.dhbwstuttgart.typeinference.result;
 
+import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 import de.dhbwstuttgart.exceptions.NotImplementedException;
@@ -12,7 +14,7 @@ import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 
 @SuppressWarnings("rawtypes")
-public class ResultSet {
+public class ResultSet implements Comparable<ResultSet>{
 
     public final Set<ResultPair> results;
     public Set<ResultPair<TypePlaceholder, TypePlaceholder>> genIns;
@@ -22,6 +24,10 @@ public class ResultSet {
         this.genIns = new HashSet<>();
         results.forEach(x -> { if (x instanceof PairTPHsmallerTPH) { this.genIns.add(x);}} );
     }
+
+    public List<ResultPair> getSortedResults() {
+    	return results.stream().sorted().toList();
+    }
     
     public boolean contains(ResultPair toCheck) {
     	return this.results.contains(toCheck);
@@ -63,6 +69,21 @@ public class ResultSet {
 	public int hashCode() {
 		return results.hashCode();
 	}
+
+    @Override
+    public int compareTo(ResultSet o) {
+        List<ResultPair> thisSorted = this.getSortedResults();
+        List<ResultPair> otherSorted = o.getSortedResults();
+        int sizeCompare = Integer.compare(thisSorted.size(), otherSorted.size());
+        if (sizeCompare != 0) return sizeCompare;
+
+        for (int i = 0; i < thisSorted.size(); i++) {
+            int cmp = thisSorted.get(i).compareTo(otherSorted.get(i));
+            if (cmp != 0) return cmp;
+        }
+
+        return 0;
+    }
 }
 
 class Resolver implements ResultSetVisitor {

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

@@ -1,16 +1,27 @@
 package de.dhbwstuttgart.typeinference.typeAlgo;
 
 import de.dhbwstuttgart.exceptions.DebugException;
+import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.parser.SourceLoc;
+import de.dhbwstuttgart.parser.antlr.Java17Parser;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.statement.Statement;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.target.tree.type.TargetRefType;
+import de.dhbwstuttgart.typeinference.assumptions.FieldAssumption;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import de.dhbwstuttgart.util.BiRelation;
+import org.antlr.v4.runtime.Token;
 
+import java.lang.reflect.Modifier;
 import java.util.*;
 
 public class TYPE {
@@ -79,8 +90,66 @@ public class TYPE {
         if(m.block == null)return new ConstraintSet(); //Abstrakte Methoden generieren keine Constraints
         TypeInferenceBlockInformation blockInfo = new TypeInferenceBlockInformation(info.getAvailableClasses(), currentClass, m);
         TYPEStmt methodScope = new TYPEStmt(blockInfo);
+        ConstraintSet constraintSet = new ConstraintSet();
+
+        if (m.name.equals("main") && Modifier.isStatic(m.modifier) && m.getParameterList().getFormalparalist().size() == 1) {
+            // Add constraint for main method
+            var firstParam = m.getParameterList().getParameterAt(0);
+
+            constraintSet.addUndConstraint(new Pair(firstParam.getType(),
+                new RefType(new JavaClassName("java.util.List"),
+                    List.of(new RefType(new JavaClassName("java.lang.String"), new NullToken())),
+                    new NullToken()),
+                PairOperator.EQUALSDOT));
+        } else {
+            m.getParameterList().getFormalparalist().forEach(el -> {
+                if (el instanceof RecordPattern rp){
+                    constraintSet.addAll(addRecursiveParameterConstraints(rp, blockInfo));
+                }
+            });
+        }
+
+
         m.block.accept(methodScope);
-        return methodScope.getConstraints();
+        constraintSet.addAll(methodScope.getConstraints());
+        return constraintSet;
+    }
+
+    public ConstraintSet addRecursiveParameterConstraints(RecordPattern recordPattern, TypeInferenceBlockInformation blockInformation){
+        ConstraintSet constraintSet = new ConstraintSet();
+
+        var subPatternList = recordPattern.getSubPattern();
+        var resolver = new GenericsResolverSameName();
+        var refType = (RefType) recordPattern.getType();
+
+        var allClasses = blockInformation.getAvailableClasses();
+        var typename = refType.getName().getClassName();
+
+        ClassOrInterface allClass = allClasses.stream().filter(c -> c.getClassName().getClassName().equals(typename)).findFirst().orElseThrow();
+
+        int counter = 0;
+        for (Pattern el : subPatternList){
+            if (el instanceof RecordPattern){
+                constraintSet.addAll(addRecursiveParameterConstraints((RecordPattern) el, blockInformation));
+            } else {
+                FormalParameter param = (FormalParameter) allClass.getConstructors().getFirst().getParameterList().getParameterAt(counter);
+                FieldAssumption assumption = new FieldAssumption(param.getName(), allClass, param.getType(), blockInformation.getCurrentTypeScope());
+
+                var fieldCons = new Pair(el.getType(), assumption.getType(resolver), PairOperator.SMALLERDOT);
+                var recvCons = new Pair(refType, assumption.getReceiverType(resolver), PairOperator.EQUALSDOT);
+                constraintSet.addUndConstraint(fieldCons);
+                constraintSet.addUndConstraint(recvCons);
+
+                for (var i = 0; i < refType.getParaList().size(); i++) {
+                    constraintSet.addUndConstraint(new Pair(refType.getParaList().get(i),
+                            ((RefType)assumption.getReceiverType(resolver)).getParaList().get(i),
+                            PairOperator.EQUALSDOT));
+                }
+            }
+            counter++;
+        }
+
+        return constraintSet;
     }
 
     private ConstraintSet getConstraintsConstructor(Constructor m, TypeInferenceInformation info, ClassOrInterface currentClass) {

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

@@ -1,7 +1,6 @@
 //PL 2018-12-19: Merge chekcen
 package de.dhbwstuttgart.typeinference.typeAlgo;
 
-import java.sql.Ref;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -48,11 +47,13 @@ public class TYPEStmt implements StatementVisitor {
 
     private SourceLoc loc(Token token) {
         return new SourceLoc(info.getCurrentClass().getFileName(), token.getLine());
-    };
+    }
+
+    ;
 
     /**
      * Erstellt einen neuen GenericResolver Die Idee dieser Datenstruktur ist es, GTVs einen eindeutigen TPH zuzuweisen. Bei Methodenaufrufen oder anderen Zugriffen, bei denen alle benutzten GTVs jeweils einen einheitlichen TPH bekommen müssen kann diese Klasse eingesetzt werden. Wichtig ist, dass hierfür jeweils eine frische Instanz benutzt wird.
-     * 
+     *
      * @return
      */
     private static GenericsResolver getResolverInstance() {
@@ -72,7 +73,7 @@ public class TYPEStmt implements StatementVisitor {
 
     @Override
     public void visit(LambdaExpression lambdaExpression) {
-        TypePlaceholder tphRetType = TypePlaceholder.fresh(new NullToken());
+        TypePlaceholder tphRetType = TypePlaceholder.fresh(new NullToken(), -1, false);
         List<RefTypeOrTPHOrWildcardOrGeneric> lambdaParams = lambdaExpression.params.getFormalparalist().stream().map((formalParameter -> formalParameter.getType())).collect(Collectors.toList());
         lambdaParams.add(tphRetType);
         // lambdaParams.add(0,tphRetType);
@@ -116,6 +117,8 @@ public class TYPEStmt implements StatementVisitor {
     public void visit(FieldVar fieldVar) {
         fieldVar.receiver.accept(this);
         Set<Constraint> oderConstraints = new HashSet<>();
+
+
         for (FieldAssumption fieldAssumption : info.getFields(fieldVar.fieldVarName)) {
             Constraint constraint = new Constraint();
             GenericsResolver resolver = getResolverInstance();
@@ -127,7 +130,6 @@ public class TYPEStmt implements StatementVisitor {
             throw new TypeinferenceException("Kein Feld " + fieldVar.fieldVarName + " gefunden", fieldVar.getOffset());
         constraintsSet.addOderConstraint(oderConstraints);
     }
-
     @Override
     public void visit(ForStmt forStmt) {
         forStmt.initializer.forEach(s -> s.accept(this));
@@ -235,7 +237,7 @@ public class TYPEStmt implements StatementVisitor {
     private final RefType doublee = new RefType(ASTFactory.createClass(Double.class).getClassName(), new NullToken());
     private final RefType string = new RefType(ASTFactory.createClass(String.class).getClassName(), new NullToken());
     private final RefType bool = new RefType(ASTFactory.createClass(Boolean.class).getClassName(), new NullToken());
-    
+
     private final RefType charr = new RefType(ASTFactory.createClass(Character.class).getClassName(), new NullToken());
 
     @Override
@@ -261,13 +263,13 @@ public class TYPEStmt implements StatementVisitor {
         binary.lexpr.accept(this);
         binary.rexpr.accept(this);
         if (binary.operation.equals(BinaryExpr.Operator.DIV)
-            || binary.operation.equals(BinaryExpr.Operator.MUL)
-            || binary.operation.equals(BinaryExpr.Operator.MOD)
-            || binary.operation.equals(BinaryExpr.Operator.ADD)
-            || binary.operation.equals(BinaryExpr.Operator.SUB)
-            || binary.operation.equals(BinaryExpr.Operator.OR)
-            || binary.operation.equals(BinaryExpr.Operator.AND)
-            || binary.operation.equals(BinaryExpr.Operator.XOR)) {
+                || binary.operation.equals(BinaryExpr.Operator.MUL)
+                || binary.operation.equals(BinaryExpr.Operator.MOD)
+                || binary.operation.equals(BinaryExpr.Operator.ADD)
+                || binary.operation.equals(BinaryExpr.Operator.SUB)
+                || binary.operation.equals(BinaryExpr.Operator.OR)
+                || binary.operation.equals(BinaryExpr.Operator.AND)
+                || binary.operation.equals(BinaryExpr.Operator.XOR)) {
 
             Set<Constraint<Pair>> numericAdditionOrStringConcatenation = new HashSet<>();
 
@@ -330,7 +332,7 @@ public class TYPEStmt implements StatementVisitor {
             }
             /*
              * PL auskommentiert Anfang 2018-07-17 /* In Java passiert bei den binären Operatoren eine sogenannte Type Promotion: https://docs.oracle.com/javase/specs/jls/se7/html/jls-5.html#jls-5.6.2 Das bedeutet, dass Java die Typen je nach belieben castet, so lange sie nur von Number erben
-             * 
+             *
              * numeric = new Constraint<>(); numeric.add(new Pair(binary.getType(), number, PairOperator.SMALLERDOT)); numericAdditionOrStringConcatenation.add(numeric); PL auskommentiert Ende 2018-07-17
              */
 
@@ -354,7 +356,7 @@ public class TYPEStmt implements StatementVisitor {
              * shortt, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.rexpr.getType(), shortt, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.getType(), bool, PairOperator.SMALLERDOT)); numericRelationConcatenation.add(numeric); numeric = new Constraint<>(); numeric.add(new Pair(binary.lexpr.getType(), integer, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.rexpr.getType(), integer, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.getType(), bool, PairOperator.SMALLERDOT));
              * numericRelationConcatenation.add(numeric); numeric = new Constraint<>(); numeric.add(new Pair(binary.lexpr.getType(), longg, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.rexpr.getType(), longg, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.getType(), bool, PairOperator.SMALLERDOT)); numericRelationConcatenation.add(numeric); numeric = new Constraint<>(); numeric.add(new Pair(binary.lexpr.getType(), floatt, PairOperator.SMALLERDOT)); numeric.add(new
              * Pair(binary.rexpr.getType(), floatt, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.getType(), bool, PairOperator.SMALLERDOT)); numericRelationConcatenation.add(numeric); numeric = new Constraint<>(); numeric.add(new Pair(binary.lexpr.getType(), doublee, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.rexpr.getType(), doublee, PairOperator.SMALLERDOT)); numeric.add(new Pair(binary.getType(), bool, PairOperator.SMALLERDOT)); numericRelationConcatenation.add(numeric);
-             * 
+             *
              * //***ACHTUNG: Moeglicherweise oder und und-Contraint falsch constraintsSet.addOderConstraint(numericRelationConcatenation); //***ACHTUNG: Moeglicherweise oder und und-Contraint falsch
              */
             // Testeise eingefuegt PL 2018-05-24
@@ -628,14 +630,15 @@ public class TYPEStmt implements StatementVisitor {
     public static RefTypeOrTPHOrWildcardOrGeneric getReceiverType(ClassOrInterface receiver, GenericsResolver resolver) {
         if (receiver == null) return null;
         List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
-        for(GenericTypeVar gtv : receiver.getGenerics()){
+        for (GenericTypeVar gtv : receiver.getGenerics()) {
             //Die Generics werden alle zu TPHs umgewandelt.
             params.add(resolver.resolve(new GenericRefType(gtv.getName(), new NullToken())));
         }
         RefTypeOrTPHOrWildcardOrGeneric receiverType;
-        if(receiver instanceof FunNClass){
-            receiverType = new RefType(new JavaClassName(receiver.getClassName().toString()+"$$"), params, new NullToken()); // new FunN(params);
-        }else{
+        
+        if (receiver instanceof FunNClass) {
+            receiverType = new RefType(new JavaClassName(receiver.getClassName().toString() + "$$"), params, new NullToken()); // new FunN(params);
+        } else {
             receiverType = new RefType(receiver.getClassName(), params, new NullToken());
         }
 
@@ -654,7 +657,7 @@ public class TYPEStmt implements StatementVisitor {
         ClassOrInterface receiverCl = assumption.getReceiver();
         /*
          * List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>(); for(GenericTypeVar gtv : receiverCl.getGenerics()){ //Die Generics werden alle zu TPHs umgewandelt. params.add(resolver.resolve(gtv.getName())); }
-         * 
+         *
          * RefTypeOrTPHOrWildcardOrGeneric receiverType = new RefType(assumption.getReceiver().getClassName(), params, forMethod.getOffset());
          */
 
@@ -776,7 +779,7 @@ public class TYPEStmt implements StatementVisitor {
         // TODO: Hier müssen die Parameter mit den TPHs in den GEnerics des Receivers verknüpft werden
         /*
          * BEispiel: auto test = new List<String>(); test.add("hallo");
-         * 
+         *
          * Hier kriegt der Receiver ja den COnstraint TPH REceiver <. List<TPH A> Dann mus bei dem Parameter der COnstraint entstehen: TPH A <. String
          */
         List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
@@ -821,6 +824,10 @@ public class TYPEStmt implements StatementVisitor {
     public void visit(Switch switchStmt) {
         switchStack.push(switchStmt);
 
+        if(switchStmt.getSwitch().getType() instanceof TypePlaceholder){
+            ((TypePlaceholder) switchStmt.getSwitch().getType()).setVariance(-1);
+        }
+
         RefTypeOrTPHOrWildcardOrGeneric caseExpressionType = null;
         for (var child : switchStmt.getBlocks()) {
             for (var label : child.getLabels()) {
@@ -834,7 +841,34 @@ public class TYPEStmt implements StatementVisitor {
         if (caseExpressionType == null) {
             for (var child : switchStmt.getBlocks()) {
                 for (var label : child.getLabels()) {
-                    if (label.getPattern() instanceof FormalParameter) {
+                    if (label.getPattern() == null) {
+                        //System.out.println("DefaultCase");
+                    } else {
+                        constraintsSet.addUndConstraint(
+                                new Pair(
+                                        label.getPattern().getType(),
+                                        switchStmt.getSwitch().getType(),
+                                        PairOperator.SMALLERDOT,
+                                        loc(label.getOffset())
+                                )
+                        );
+                    }
+                }
+            }
+        } else {
+            constraintsSet.addUndConstraint(new Pair(caseExpressionType, switchStmt.getSwitch().getType(), PairOperator.EQUALSDOT, loc(switchStmt.getSwitch().getOffset())));
+        }
+
+        if (caseExpressionType == null) {
+            for (var child : switchStmt.getBlocks()) {
+                for (var label : child.getLabels()) {
+                    if (label.getPattern() == null) {
+                        constraintsSet.addUndConstraint(new Pair(new RefType(new JavaClassName("java.lang.Object"), new NullToken()), switchStmt.getSwitch().getType(), PairOperator.SMALLERDOT, loc(label.getOffset())));
+                    }
+                    if (label.getPattern() instanceof RecordPattern) {
+                        RecordPattern recordPattern = (RecordPattern) label.getPattern();
+                        //constraintsSet.addUndConstraint(new Pair(label.getPattern().getType(), switchStmt.getSwitch().getType(), PairOperator.SMALLERDOT, loc(label.getOffset())));
+                    } else if (label.getPattern() instanceof FormalParameter) {
                         constraintsSet.addUndConstraint(new Pair(label.getPattern().getType(), switchStmt.getSwitch().getType(), PairOperator.SMALLERDOT, loc(label.getOffset())));
                     }
                 }
@@ -843,14 +877,50 @@ public class TYPEStmt implements StatementVisitor {
             constraintsSet.addUndConstraint(new Pair(caseExpressionType, switchStmt.getSwitch().getType(), PairOperator.EQUALSDOT, loc(switchStmt.getSwitch().getOffset())));
         }
 
+
         for (var child : switchStmt.getBlocks()) {
-            child.accept(this);
+
+
+            child.getLabels().forEach(el -> {
+                if (el.getType() instanceof RefType) {
+                    var recType = el;
+
+                    if (el.getPattern() instanceof RecordPattern) {
+                        var pattern = (RecordPattern) recType.getPattern();
+                        recursivelyAddRecordConstraints(pattern);
+                    }
+
+                }
+            });
+
             constraintsSet.addUndConstraint(new Pair(child.getType(), switchStmt.getType(), PairOperator.SMALLERDOT, loc(switchStmt.getOffset())));
+            child.accept(this);
         }
 
+
         switchStack.pop();
     }
 
+    public void recursivelyAddRecordConstraints(RecordPattern pattern) {
+
+        var allClasses = info.getAvailableClasses();
+        var interestingClasses = allClasses.stream().filter(as -> as.getClassName().equals(((RefType) pattern.getType()).getName())).toList();
+        var constructors = interestingClasses.get(0).getConstructors();
+
+        int counter = 0;
+
+        for (var subPattern : pattern.getSubPattern()) {
+            for (Constructor con : constructors) {
+                //System.out.println("----------------------\n" + subPattern.getType() + " | " + con.getParameterList().getParameterAt(counter).getType() + "\n----------------------\n");
+                constraintsSet.addUndConstraint(new Pair(subPattern.getType(), con.getParameterList().getParameterAt(counter).getType(), PairOperator.SMALLERDOT, loc(con.getParameterList().getParameterAt(counter).getOffset())));
+            }
+            if (subPattern instanceof RecordPattern) recursivelyAddRecordConstraints((RecordPattern) subPattern);
+            else if (subPattern instanceof LiteralPattern lp) lp.value.accept(this);
+            counter++;
+        }
+    }
+
+
     @Override
     public void visit(SwitchBlock switchBlock) {
         for (var stmt : switchBlock.statements) {
@@ -860,7 +930,6 @@ public class TYPEStmt implements StatementVisitor {
 
     @Override
     public void visit(SwitchLabel switchLabel) {
-        // TODO Auto-generated method stub
     }
 
     @Override

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

@@ -53,7 +53,7 @@ class Node<T> {
 			addDescendant(descendant);
 		}
 	}
-	
+
 	/**
 	 * Adds a directed edge from the predecessor to this node (predecessor -> this)
 	 */
@@ -73,7 +73,7 @@ class Node<T> {
 			addPredecessor(predecessor);
 		}
 	}
-	
+
 	/**
 	 * The content of this node.
 	 */

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

@@ -53,8 +53,8 @@ public final class PlaceholderType extends UnifyType{
 	
 	/**
      * variance shows the variance of the pair
-     * -1: contravariant
-     * 1 covariant
+     * 1: contravariant
+     * -1 covariant
      * 0 invariant
      * PL 2018-03-21
      */
@@ -77,6 +77,14 @@ public final class PlaceholderType extends UnifyType{
 		IsGenerated = false; // This type is user generated
 	}
 	
+	
+	public PlaceholderType(String name, int variance) {
+		super(name, new TypeParams());
+		EXISTING_PLACEHOLDERS.add(name); // Add to list of existing placeholder names
+		IsGenerated = false; // This type is user generated
+		this.variance = variance;
+	}
+	
 	/**
 	 * Creates a new placeholdertype 
 	 * @param isGenerated true if this placeholder is auto-generated, false if it is user-generated.

src/test/java/AllgemeinTest.java

@@ -1,6 +1,6 @@
 
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 import static targetast.TestCodegen.generateClassFiles;
 
 import java.io.File;
@@ -9,13 +9,12 @@ import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.Arrays;
 
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 import com.google.common.collect.Lists;
 
 import de.dhbwstuttgart.core.JavaTXCompiler;
-import de.dhbwstuttgart.environment.ByteArrayClassLoader;
 
 public class AllgemeinTest {
 
@@ -64,9 +63,11 @@ public class AllgemeinTest {
 		//String className = "Cycle";
 		//String className = "TripleTest";
 		//String className = "WildcardList";
-		//String className = "List";
+		String className = "List";
 		//String className = "Box";
-		String className = "GenBox";
+		//String className = "GenBox";
+		//String className = "InnerInf";
+		//String className = "Foo";
 		//PL 2019-10-24: genutzt fuer unterschiedliche Tests
 		path = System.getProperty("user.dir")+"/resources/AllgemeinTest/" + className + ".jav";
 		//path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav";

src/test/java/GenericsParserTest.java

@@ -6,12 +6,12 @@ import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.target.generate.ASTToTargetAST;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 public class GenericsParserTest {