Merge branch 'main' into johns-branch

Reviewed-on: #18
Reviewed-by: Johannes Ehlert <i22005@hb.dhbw-stuttgart.de>

.idea/jarRepositories.xml

@@ -6,6 +6,11 @@
       <option name="name" value="Central Repository" />
       <option name="url" value="https://repo.maven.apache.org/maven2" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven_central" />
+      <option name="name" value="Maven Central" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Maven Central repository" />

.idea/misc.xml

@@ -6,7 +6,7 @@
         <PerGrammarGenerationSettings>
           <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/SimpleJava.g4" />
           <option name="autoGen" value="true" />
-          <option name="outputDir" value="C:\Users\Johannes\Documents\Github\JavaCompiler\src\main\java" />
+          <option name="outputDir" value="C:\Users\ARB00075\Documents\DH\Compilerbau\NichtHaskell2.0\src\main\java" />
           <option name="libDir" value="" />
           <option name="encoding" value="" />
           <option name="pkg" value="parser.generated" />

pom.xml

@@ -44,6 +44,12 @@
             <version>3.26.0</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>5.11.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -78,4 +84,11 @@
             </plugin>
         </plugins>
     </build>
+    <repositories>
+        <repository>
+            <id>maven_central</id>
+            <name>Maven Central</name>
+            <url>https://repo.maven.apache.org/maven2/</url>
+        </repository>
+    </repositories>
 </project>

src/main/java/ast/ProgramNode.java

@@ -1,5 +1,6 @@
 package ast;
 
+import bytecode.visitor.ProgramVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
@@ -18,4 +19,9 @@ public class ProgramNode implements ASTNode, Visitable {
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
+
+    @Override
+    public void accept(ProgramVisitor programVisitor) {
+        programVisitor.visit(this);
+    }
 }

src/main/java/ast/expressions/binaryexpressions/BinaryNode.java

@@ -2,10 +2,12 @@ package ast.expressions.binaryexpressions;
 
 import ast.expressions.IExpressionNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class BinaryNode implements IExpressionNode {
+public class BinaryNode implements IExpressionNode, Visitable {
 
     private ITypeNode typeNode;
 
@@ -23,4 +25,9 @@ public class BinaryNode implements IExpressionNode {
     public void setType(ITypeNode type) {
         this.typeNode = type;
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
 }

src/main/java/ast/expressions/binaryexpressions/CalculationNode.java

@@ -1,6 +1,7 @@
 package ast.expressions.binaryexpressions;
 
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -33,4 +34,10 @@ public class CalculationNode extends BinaryNode {
         return visitor.analyze(this);
     }
 
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/expressions/binaryexpressions/DotNode.java

@@ -1,6 +1,7 @@
 package ast.expressions.binaryexpressions;
 
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -34,4 +35,9 @@ public class DotNode extends BinaryNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/expressions/binaryexpressions/DotSubstractionNode.java

@@ -4,6 +4,7 @@ import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
 import ast.type.type.*;
 import ast.type.ValueNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -36,4 +37,9 @@ public class DotSubstractionNode extends BinaryNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/expressions/binaryexpressions/NonCalculationNode.java

@@ -3,6 +3,7 @@ package ast.expressions.binaryexpressions;
 import ast.expressions.IExpressionNode;
 import ast.expressions.unaryexpressions.UnaryNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -42,4 +43,9 @@ public class NonCalculationNode extends BinaryNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/expressions/unaryexpressions/MemberAccessNode.java

@@ -1,6 +1,7 @@
 package ast.expressions.unaryexpressions;
 
 import ast.ASTNode;
+import bytecode.visitor.MethodVisitor;
 import ast.type.type.ITypeNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
@@ -23,6 +24,10 @@ public class MemberAccessNode implements ASTNode, Visitable {
     }
 
     @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+    
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }

src/main/java/ast/expressions/unaryexpressions/NotNode.java

@@ -2,12 +2,26 @@ package ast.expressions.unaryexpressions;
 
 import ast.ASTNode;
 import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class NotNode implements ASTNode {
+public class NotNode implements ASTNode, Visitable {
     public IExpressionNode expression;
 
     public NotNode(IExpressionNode expression) {
         this.expression = expression;
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+
 }

src/main/java/ast/expressions/unaryexpressions/UnaryNode.java

@@ -4,6 +4,7 @@ import ast.expressions.IExpressionNode;
 import ast.statements.IStatementNode;
 import ast.type.type.*;
 import ast.type.ValueNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -61,4 +62,9 @@ public class UnaryNode implements IExpressionNode {
         this.type = type;
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/literal/BooleanLiteralNode.java

@@ -0,0 +1,11 @@
+package ast.literal;
+
+public class BooleanLiteralNode {
+    private String value;
+
+    public BooleanLiteralNode(String value) {this.value = value;}
+
+    public String getValue() {
+        return value;
+    }
+}

src/main/java/ast/literal/CharLiteralNode.java

@@ -0,0 +1,11 @@
+package ast.literal;
+
+public class CharLiteralNode {
+    public String value;
+
+    public CharLiteralNode(String value) {this.value = value;}
+
+    public String getValue() {
+        return value;
+    }
+}

src/main/java/ast/literal/LiteralNode.java

@@ -0,0 +1,30 @@
+package ast.literal;
+import ast.expressions.IExpressionNode;
+import ast.type.type.ITypeNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class LiteralNode implements IExpressionNode {
+
+    public String value;
+    private ITypeNode type;
+
+    public LiteralNode(String value, ITypeNode type) {
+        this.value = value;
+        this.type = type;
+    }
+
+    public ITypeNode getType() {
+        return type;
+    }
+
+    public void setType(ITypeNode type) {
+        this.type = type;
+    }
+
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

src/main/java/ast/members/ConstructorNode.java

@@ -3,6 +3,8 @@ package ast.members;
 import ast.parameters.ParameterNode;
 import ast.statements.BlockNode;
 import ast.type.AccessModifierNode;
+import bytecode.visitor.MethodVisitor;
+import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,6 +23,10 @@ public class ConstructorNode extends MethodNode  {
     }
 
     @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
     public boolean isSame(MethodNode methodNode) {
         if (!(Objects.equals(this.identifier, methodNode.getIdentifier()))
                 || getParameters().size() != methodNode.getParameters().size()) {

src/main/java/ast/members/FieldNode.java

@@ -2,6 +2,8 @@ package ast.members;
 
 import ast.type.AccessModifierNode;
 import ast.type.type.ITypeNode;
+import bytecode.visitor.ClassVisitor;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
@@ -22,4 +24,9 @@ public class FieldNode implements MemberNode, Visitable {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(ClassVisitor classVisitor) {
+        classVisitor.visit(this);
+    }
+
 }

src/main/java/ast/members/MainMethodNode.java

@@ -1,10 +1,18 @@
 package ast.members;
 
 import ast.statements.BlockNode;
+import bytecode.visitor.MethodVisitor;
+import visitor.Visitable;
 
-public class MainMethodNode extends MethodNode {
+public class MainMethodNode extends MethodNode implements Visitable {
+    public BlockNode block;
 
     public MainMethodNode(BlockNode block) {
         this.block = block;
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
 }

src/main/java/ast/members/MethodNode.java

@@ -21,7 +21,8 @@ public class MethodNode implements MemberNode, Visitable {
     public List<ParameterNode> parameters = new ArrayList<>();
     public BlockNode block;
 
-    public MethodNode() {}
+    public MethodNode() {
+    }
 
     public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block){
         this.accesModifier = new AccessModifierNode(accessModifier);

src/main/java/ast/statement/BlockStatementNode.java

@@ -0,0 +1,11 @@
+package ast.statement;
+
+import ast.statements.IStatementNode;
+
+import java.util.List;
+
+public class BlockStatementNode {
+    List<IStatementNode> statements;
+
+    public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
+}

src/main/java/ast/statementexpressions/AssignNode.java

@@ -1,6 +1,7 @@
 package ast.statementexpressions;
 
 import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -18,4 +19,9 @@ public class AssignNode implements IStatementExpressionNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statementexpressions/NewDeclarationNode.java

@@ -1,6 +1,7 @@
 package ast.statementexpressions;
 
 import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -24,4 +25,9 @@ public class NewDeclarationNode implements IStatementExpressionNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statementexpressions/crementexpressions/DecrementNode.java

@@ -2,8 +2,10 @@ package ast.statementexpressions.crementexpressions;
 
 import ast.statementexpressions.AssignableNode;
 import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
 public class DecrementNode implements IStatementExpressionNode {
     public CrementType crementType;
@@ -19,4 +21,9 @@ public class DecrementNode implements IStatementExpressionNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statementexpressions/crementexpressions/IncrementNode.java

@@ -2,6 +2,7 @@ package ast.statementexpressions.crementexpressions;
 
 import ast.statementexpressions.AssignableNode;
 import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -19,4 +20,9 @@ public class IncrementNode implements IStatementExpressionNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/ChainedMethodNode.java

@@ -2,11 +2,15 @@ package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.ASTNode;
 import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class ChainedMethodNode implements ASTNode {
+public class ChainedMethodNode implements ASTNode, Visitable {
     public String identifier;
     public List<IExpressionNode> expressions = new ArrayList<>();
 
@@ -17,4 +21,14 @@ public class ChainedMethodNode implements ASTNode {
     public void addExpression(IExpressionNode expression) {
         expressions.add(expression);
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
 }

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/MethodCallNode.java

@@ -2,6 +2,7 @@ package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.expressions.IExpressionNode;
 import ast.statements.IStatementNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -32,4 +33,9 @@ public class MethodCallNode implements IStatementNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/TargetNode.java

@@ -3,6 +3,7 @@ package ast.statementexpressions.methodcallstatementnexpressions;
 import ast.ASTNode;
 import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.statementexpressions.NewDeclarationNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
@@ -30,6 +31,10 @@ public class TargetNode implements ASTNode, Visitable {
     }
 
     @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }

src/main/java/ast/statements/BlockStatementNode.java

@@ -0,0 +1,10 @@
+package ast.statements;
+
+
+import java.util.List;
+
+public class BlockStatementNode {
+    List<IStatementNode> statements;
+
+    public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
+}

src/main/java/ast/statements/ElseNode.java

@@ -1,6 +1,5 @@
 package ast.statements;
 
-import ast.ASTNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 

src/main/java/ast/statements/IfElseNode.java

@@ -1,6 +1,5 @@
 package ast.statements;
 
-import ast.ASTNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 

src/main/java/ast/statements/IfNode.java

@@ -1,6 +1,5 @@
 package ast.statements;
 
-import ast.ASTNode;
 import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;

src/main/java/ast/statements/LocalVariableDeclarationNode.java

@@ -2,6 +2,7 @@ package ast.statements;
 
 import ast.expressions.IExpressionNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -23,4 +24,9 @@ public class LocalVariableDeclarationNode implements IStatementNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statements/ReturnNode.java

@@ -1,6 +1,7 @@
 package ast.statements;
 
 import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -21,4 +22,9 @@ public class ReturnNode implements IStatementNode {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/statements/WhileNode.java

@@ -1,6 +1,5 @@
 package ast.statements;
 
-import ast.ASTNode;
 import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;

src/main/java/ast/type/ValueNode.java

@@ -1,6 +1,7 @@
 package ast.type;
 
 import ast.ASTNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
@@ -14,6 +15,10 @@ public class ValueNode implements ASTNode, Visitable {
         this.value = value;
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {

src/main/java/bytecode/ByteCodeGenerator.java

@@ -2,21 +2,78 @@ package bytecode;
 
 import ast.ProgramNode;
 import ast.ClassNode;
+import ast.members.MainMethodNode;
+import ast.members.MemberNode;
 import bytecode.visitor.ProgramVisitor;
 
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Manifest;
+
 public class ByteCodeGenerator implements ProgramVisitor {
 
-  private final String outputDirectoryPath;
+    private JarOutputStream jarOutputStream;
+    private ByteArrayOutputStream byteArrayOutputStream;
+    private String outputDirectory;
 
-  public ByteCodeGenerator(String outputDirectoryPath) {
+    public ByteCodeGenerator(String outputDirectory) {
-    this.outputDirectoryPath = outputDirectoryPath;
+        this.outputDirectory = outputDirectory;
-  }
+    }
-
+
-  @Override
+    @Override
-  public void visit(ProgramNode programNode) {
+    public void visit(ProgramNode programNode) {
-    for (ClassNode classDeclarationNode : programNode.classes) {
+        byteArrayOutputStream = new ByteArrayOutputStream();
-//      ClassCodeGen classCodeGen = new ClassCodeGen();
+        try {
-//      classDeclarationNode.accept(classCodeGen);
+            Manifest manifest = new Manifest();
+            manifest.getMainAttributes().putValue("Manifest-Version", "1.0");
+            boolean foundMainClass = false;
+            for (ClassNode classNode : programNode.classes) {
+                if (foundMainClass) {
+                    break;
+                }
+                for (MemberNode memberNode : classNode.members) {
+                    if (memberNode instanceof MainMethodNode) {
+                        manifest.getMainAttributes().putValue("Main-Class", classNode.identifier);
+                        foundMainClass = true;
+                        break;
+                    }
+                }
+            }
+
+
+            jarOutputStream = new JarOutputStream(byteArrayOutputStream, manifest);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        for (ClassNode classDeclarationNode : programNode.classes) {
+            ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory);
+            classDeclarationNode.accept(classCodeGen);
+        }
+
+        try {
+            jarOutputStream.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        saveJarFile(byteArrayOutputStream.toByteArray(), "output.jar");
+    }
+
+    private void saveJarFile(byte[] jarBytes, String jarFileName) {
+        File directory = new File(outputDirectory);
+        if (!directory.exists()) {
+            directory.mkdirs();
+        }
+
+        File jarFile = new File(directory, jarFileName);
+        try (FileOutputStream fos = new FileOutputStream(jarFile)) {
+            fos.write(jarBytes);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
     }
-  }
 }

src/main/java/bytecode/ClassCodeGen.java

@@ -10,26 +10,31 @@ import bytecode.visitor.ClassVisitor;
 import java.io.File;
 
 import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Opcodes;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
 
 
 public class ClassCodeGen implements ClassVisitor {
     private Mapper mapper;
     private ClassWriter classWriter;
-    private final String outputDirectoryPath;
+    private JarOutputStream jarOutputStream;
+    private String outputDirectory;
 
-    public ClassCodeGen(String outputDirectoryPath) {
+    public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory) {
-        this.outputDirectoryPath = outputDirectoryPath;
         mapper = new Mapper();
+        this.jarOutputStream = jarOutputStream;
+        this.outputDirectory = outputDirectory;
     }
 
     @Override
     public void visit(ClassNode classNode) {
         classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
-//        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
+        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
-//                "java/lang/Object", null);
+                "java/lang/Object", null);
 
         for (MemberNode memberNode : classNode.members) {
             if (memberNode instanceof FieldNode) {
@@ -41,28 +46,27 @@ public class ClassCodeGen implements ClassVisitor {
         }
 
         classWriter.visitEnd();
-        printIntoClassFile(classWriter.toByteArray(), classNode.identifier);
+        printIntoClassFile(classWriter.toByteArray(), classNode.identifier, outputDirectory);
+        writeToJar(classWriter.toByteArray(), classNode.identifier);
 
         classWriter.visitEnd();
     }
 
     @Override
     public void visit(FieldNode fieldNode) {
-        if(fieldNode.type instanceof BaseType baseTypeNode){
+        if (fieldNode.type instanceof BaseType) {
-//            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
+            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar((BaseType) fieldNode.type), null, null);
         }
         classWriter.visitEnd();
     }
 
-    private void printIntoClassFile(byte[] byteCode, String name) {
+    private void printIntoClassFile(byte[] byteCode, String name, String outputDirectory) {
-        // String outputDirectoryPath = "src/main/resources/output";
+        File directory = new File(outputDirectory);
-        // System.out.println("Output directory path: " + outputDirectoryPath);
-        File directory = new File(outputDirectoryPath);
         if (!directory.exists()) {
             directory.mkdirs();
         }
 
-        String filePath = outputDirectoryPath + "/" + name + ".class";
+        String filePath = outputDirectory + "/" + name + ".class";
         try {
             FileOutputStream fileOutputStream = new FileOutputStream(filePath);
             fileOutputStream.write(byteCode);
@@ -71,4 +75,15 @@ public class ClassCodeGen implements ClassVisitor {
             e.printStackTrace();
         }
     }
+
+    private void writeToJar(byte[] byteCode, String className) {
+        try {
+            JarEntry jarEntry = new JarEntry(className + ".class");
+            jarOutputStream.putNextEntry(jarEntry);
+            jarOutputStream.write(byteCode);
+            jarOutputStream.closeEntry();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 }

src/main/java/bytecode/Mapper.java

@@ -1,41 +1,60 @@
 package bytecode;
 
+import ast.parameters.ParameterNode;
 import ast.type.*;
+import ast.type.type.BaseType;
+import ast.type.type.ReferenceType;
+import ast.type.type.TypeEnum;
+import org.objectweb.asm.Opcodes;
+
+import java.util.List;
 
 public class Mapper {
-//    public int mapAccessTypeToOpcode(AccessModifierNode type) {
+    public int mapAccessTypeToOpcode(AccessModifierNode accessModifierNode) {
-//        switch (type.enumAccessTypeNode) {
+        switch (accessModifierNode.accessType) {
-//            case EnumAccessTypeNode.PUBLIC:
+            case EnumAccessModifierNode.PUBLIC:
-//                return Opcodes.ACC_PUBLIC;
+                return Opcodes.ACC_PUBLIC;
-//            case EnumAccessTypeNode.PRIVATE:
+            case EnumAccessModifierNode.PRIVATE:
-//                return Opcodes.ACC_PRIVATE;
+                return Opcodes.ACC_PRIVATE;
-//        }
+            case EnumAccessModifierNode.PUBLIC_STATIC:
-//        return 0;
+                return Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC;
-//    }
+            case EnumAccessModifierNode.PRIVATE_STATIC:
+                return Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC;
+        }
+        return 0;
+    }
 
-//    public String generateMethodDescriptor(BaseTypeNode baseTypeNode, ParameterListNode parameterListNode) {
+    public String generateMethodDescriptor(BaseType type, List<ParameterNode> parameters) {
-//        String descriptor = "(";
+        String descriptor = "(";
-//        for(ParameterNode parameterNode : parameterListNode.parameters) {
+        for (ParameterNode parameterNode : parameters) {
-//            descriptor += getTypeChar(EnumTypeNode.INT);
+            descriptor += getTypeChar((BaseType) parameterNode.type);
-//        }
+        }
-//        descriptor += ")";
+        descriptor += ")";
-//        descriptor += getTypeChar(baseTypeNode.enumType);
+        descriptor += getTypeChar(type);
-//        return descriptor;
+        return descriptor;
-//    }
+    }
 
-//    public String getTypeChar(TypeEnum enumTypeNode) {
+    public String generateMethodDescriptor(ReferenceType type, List<ParameterNode> parameters) {
-//        String typeChar = "";
+        String descriptor = "()V";
-//        switch (enumTypeNode) {
+        return descriptor;
-//            case TypeEnum.INT:
+    }
-//                typeChar = "I";
+
-//                break;
+    public String getTypeChar(BaseType type) {
-//            case TypeEnum.CHAR:
+        String typeChar = "";
-//                typeChar = "C";
+        switch (type.getTypeEnum()) {
-//                break;
+            case TypeEnum.INT:
-//            case TypeEnum.BOOLEAN:
+                typeChar = "I";
-//                typeChar = "Z";
+                break;
-//                break;
+            case TypeEnum.CHAR:
-//        }
+                typeChar = "C";
-//        return typeChar;
+                break;
-//    }
+            case TypeEnum.BOOL:
+                typeChar = "Z";
+                break;
+            case TypeEnum.VOID:
+                typeChar = "V";
+                break;
+        }
+        return typeChar;
+    }
 }

src/main/java/bytecode/MethodCodeGen.java

@@ -1,9 +1,28 @@
 package bytecode;
 
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.NotNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
+import ast.members.MainMethodNode;
 import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
+import ast.type.ValueNode;
+import ast.type.type.BaseType;
+import ast.type.type.TypeEnum;
 import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Label;
 import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -25,70 +44,433 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
         localVaribales = new ArrayList<>();
     }
 
+
+    // Method nodes
+
     @Override
     public void visit(ConstructorNode constructorNode) {
-//        methodVisitor =
+        methodVisitor =
-//                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
+                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.accessType),
-//                        "<init>",
+                        "<init>",
-//                        "()V",
+                        mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), constructorNode.parameters),
-//                        null,
+                        null,
-//                        null);
+                        null);
+
         methodVisitor.visitCode();
+        localVaribales.add("this");
+        // Add all method parameters to localVariables
+        for (ParameterNode parameterNode : constructorNode.parameters) {
+            localVaribales.add(parameterNode.identifier);
+        }
+
         methodVisitor.visitVarInsn(ALOAD, 0);
         methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
-        methodVisitor.visitInsn(RETURN);
+
-        methodVisitor.visitMaxs(1, 1);
+        // Visit all statements
+        for (IStatementNode statementNode : constructorNode.block.statements) {
+            statementNode.accept(this);
+        }
+
+        methodVisitor.visitMaxs(0, 0);
+        methodVisitor.visitEnd();
+    }
+
+    @Override
+    public void visit(MainMethodNode mainMethodNode) {
+        methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(mainMethodNode.accesModifier),
+                mainMethodNode.getIdentifier(),
+                "([Ljava/lang/String;)V",
+                null,
+                null);
+
+        methodVisitor.visitCode();
+        localVaribales.add("this");
+        localVaribales.add("args");
+
+        // Visit all statements
+        for (IStatementNode statementNode : mainMethodNode.block.statements) {
+            statementNode.accept(this);
+        }
+
+        methodVisitor.visitMaxs(0, 0);
         methodVisitor.visitEnd();
     }
 
     @Override
     public void visit(MethodNode methodNode) {
-//        if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
+        methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
-//            methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
+                methodNode.getIdentifier(),
-//                    methodNode.identifier,
+                mapper.generateMethodDescriptor((BaseType) methodNode.getType(), methodNode.parameters),
-//                    mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
+                null,
-//                    null,
+                null);
-//                    null);
 
-            methodVisitor.visitCode();
+        methodVisitor.visitCode();
-            localVaribales.add("this");
+        localVaribales.add("this");
-//            for (ParameterNode parameterNode : methodNode.parameters.parameters) {
+        // Add all method parameters to localVariables
-//                localVaribales.add(parameterNode.identifier);
+        for (ParameterNode parameterNode : methodNode.parameters) {
-//            }
+            localVaribales.add(parameterNode.identifier);
+        }
 
-            //test();
+        // Visit all statements
-            methodVisitor.visitMaxs(1, localVaribales.size());
+        for (IStatementNode statementNode : methodNode.block.statements) {
-            methodVisitor.visitEnd();
+            statementNode.accept(this);
-//        }
+        }
+
+        methodVisitor.visitMaxs(0, 0);
+        methodVisitor.visitEnd();
     }
 
-//    public void test() {
+
-//        Label start = new Label();
+    // Binary expressions
-//        Label loop = new Label();
+
-//        Label end = new Label();
+    @Override
-//        methodVisitor.visitLabel(start);
+    public void visit(BinaryNode binaryNode) {
-//        //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
+        binaryNode.accept(this);
-//        //methodVisitor.visitInsn(Opcodes.ICONST_5);
+    }
-//        methodVisitor.visitLdcInsn(99);
+
-//        // methodVisitor.visitInsn(Opcodes.ICONST_0);
+    @Override
-//        //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
+    public void visit(CalculationNode calculationNode) {
-//        methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
+        calculationNode.dotExpression.accept(this);
-//        methodVisitor.visitLabel(loop);
+        calculationNode.calculationExpression.accept(this);
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+        switch (calculationNode.operator) {
-//        methodVisitor.visitInsn(Opcodes.ICONST_5);
+            case PLUS:
-//        methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
+                methodVisitor.visitInsn(IADD);
-//        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
+                break;
-//                "java/lang/System", "out",
+            case MINUS:
-//                "Ljava/io/PrintStream;");
+                methodVisitor.visitInsn(ISUB);
-//        methodVisitor.visitLdcInsn("Bytecode");
+                break;
-//        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
+        }
-//                "java/io/PrintStream", "println",
+    }
-//                "(Ljava/lang/String;)V", false);
+
-//        methodVisitor.visitIincInsn(1, 1);
+    @Override
-//        methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
+    public void visit(DotNode dotNode) {
-//        methodVisitor.visitLabel(end);
+        dotNode.dotExpression.accept(this);
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+        dotNode.dotSubstractionExpression.accept(this);
-//        methodVisitor.visitInsn(Opcodes.IRETURN);
+        switch (dotNode.operator) {
-//        methodVisitor.visitEnd();
+            case DIV:
-//    }
+                methodVisitor.visitInsn(IDIV);
+                break;
+            case MULT:
+                methodVisitor.visitInsn(IMUL);
+                break;
+            case MOD:
+                methodVisitor.visitInsn(IREM);
+                break;
+        }
+    }
+
+    @Override
+    public void visit(DotSubstractionNode dotSubstractionNode) {
+        if (dotSubstractionNode.value != null) {
+            dotSubstractionNode.value.accept(this);
+        } else if (dotSubstractionNode.identifier != null) {
+            methodVisitor.visitVarInsn(ILOAD, localVaribales.indexOf(dotSubstractionNode.identifier));
+        } else if (dotSubstractionNode.memberAccess != null) {
+            dotSubstractionNode.memberAccess.accept(this);
+        } else if (dotSubstractionNode.methodCall != null) {
+            dotSubstractionNode.methodCall.accept(this);
+        } else if (dotSubstractionNode.calculationExpression != null) {
+            dotSubstractionNode.calculationExpression.accept(this);
+        }
+    }
+
+    @Override
+    public void visit(NonCalculationNode nonCalculationNode) {
+        Label labelFalse = new Label();
+        Label labelTrue = new Label();
+        switch (nonCalculationNode.operator) {
+            case AND:
+                nonCalculationNode.unaryExpression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse); // Value compared to 0 (false)
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse);
+                break;
+            case OR:
+                nonCalculationNode.unaryExpression.accept(this);
+                methodVisitor.visitJumpInsn(IFNE, labelTrue);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse);
+                break;
+            case GREATER:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPLE, labelFalse);
+                break;
+            case LESS:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPGE, labelFalse);
+                break;
+            case GREATER_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPLT, labelFalse);
+                break;
+            case LESS_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPGT, labelFalse);
+                break;
+            case EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
+                    methodVisitor.visitJumpInsn(IF_ICMPNE, labelFalse);
+                } else {
+                    methodVisitor.visitJumpInsn(IF_ACMPNE, labelFalse);
+                }
+                break;
+            case NOT_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
+                    methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
+                } else {
+                    methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
+                }
+                break;
+        }
+
+        Label labelEndLogicalExpression = new Label();
+
+        methodVisitor.visitLabel(labelTrue);
+        methodVisitor.visitInsn(ICONST_1); // true
+        methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
+
+        methodVisitor.visitLabel(labelFalse);
+        methodVisitor.visitInsn(ICONST_0); // false
+
+        methodVisitor.visitLabel(labelEndLogicalExpression);
+    }
+
+
+    // Unary expressions
+
+    @Override
+    public void visit(MemberAccessNode memberAccessNode) {
+        if (memberAccessNode.thisExpr) {
+            //methodVisitor.visitFieldInsn(PUTFIELD);
+        }
+    }
+
+    @Override
+    public void visit(NotNode notNode) {
+        Label labelFalse = new Label();
+        Label labelTrue = new Label();
+
+        notNode.expression.accept(this);
+        methodVisitor.visitJumpInsn(Opcodes.IFNE, labelFalse); // false if value is true (value != 0)
+
+        Label labelEndLogicalExpression = new Label();
+
+        methodVisitor.visitLabel(labelTrue);
+        methodVisitor.visitInsn(ICONST_1); // true
+        methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
+
+        methodVisitor.visitLabel(labelFalse);
+        methodVisitor.visitInsn(ICONST_0); // false
+
+        methodVisitor.visitLabel(labelEndLogicalExpression);
+    }
+
+    @Override
+    public void visit(UnaryNode unaryNode) {
+
+    }
+
+
+    // Statements
+
+    @Override
+    public void visit(IfElseNode ifElseNode) {
+        Label elseLabel = new Label();
+
+        Label[] elseIfLabels = new Label[ifElseNode.elseIfStatements.size()];
+        for(int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
+            elseIfLabels[i] = new Label();
+        }
+
+        ifElseNode.ifStatement.expression.accept(this);
+        if (ifElseNode.elseIfStatements.isEmpty()) {
+            // No else if
+            methodVisitor.visitJumpInsn(IFEQ, elseLabel);
+        } else {
+            // else if statements
+            methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[0]);
+        }
+        ifElseNode.ifStatement.block.accept(this); // accept if block
+
+        Label endLabel = new Label();
+        methodVisitor.visitJumpInsn(GOTO, endLabel);
+
+        for(int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
+            methodVisitor.visitLabel(elseIfLabels[i]);
+            ifElseNode.elseIfStatements.get(i).expression.accept(this);
+            if(i + 1 < elseIfLabels.length) {
+                // at least one more else if
+                methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[i+1]);
+            } else {
+                methodVisitor.visitJumpInsn(IFEQ, elseLabel);
+            }
+            ifElseNode.elseIfStatements.get(i).block.accept(this);
+            methodVisitor.visitJumpInsn(GOTO, endLabel);
+        }
+
+        if(ifElseNode.elseStatement != null) {
+            methodVisitor.visitLabel(elseLabel);
+            ifElseNode.elseStatement.block.accept(this);
+        }
+
+        methodVisitor.visitLabel(endLabel);
+    }
+
+    @Override
+    public void visit(LocalVariableDeclarationNode localVariableDeclarationNode) {
+        // Process expression
+        localVariableDeclarationNode.expression.accept(this);
+        // Store result of expression in variable
+        methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
+    }
+
+    @Override
+    public void visit(AssignNode assignNode) {
+        // Process expression
+        assignNode.expression.accept(this);
+        // Store result of expression in variable
+        if (assignNode.assignable.memberAccess.thisExpr) {
+            // Global var
+            // /methodVisitor.visitFieldInsn(PUTFIELD, identifierExpressionNode.name, identifierExpressionNode1.name, mapper.getTypeChar(((BaseTypeNode) type).enumType));
+        } else {
+            // Local var
+            methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(assignNode.assignable.identifier));
+        }
+    }
+
+    @Override
+    public void visit(NewDeclarationNode newDeclarationNode) {
+
+    }
+
+    @Override
+    public void visit(ValueNode valueNode) {
+        switch (valueNode.valueType) {
+            case INT_VALUE:
+                int intValue = Integer.parseInt(valueNode.value);
+                if (intValue >= Byte.MIN_VALUE && intValue <= Byte.MAX_VALUE) { // load int as byte
+                    methodVisitor.visitIntInsn(BIPUSH, intValue);
+                } else if (intValue >= Short.MIN_VALUE && intValue <= Short.MAX_VALUE) { // load int as short
+                    methodVisitor.visitIntInsn(SIPUSH, intValue);
+                } else { // load int as const
+                    methodVisitor.visitLdcInsn(intValue);
+                }
+                break;
+            case BOOLEAN_VALUE:
+                if (valueNode.value.equals("true")) {
+                    methodVisitor.visitInsn(ICONST_1);
+                } else {
+                    methodVisitor.visitInsn(ICONST_0);
+                }
+                break;
+            case CHAR_VALUE:
+                char charValue = valueNode.value.charAt(0);
+                if (charValue <= Byte.MAX_VALUE) { // load char as byte
+                    methodVisitor.visitIntInsn(BIPUSH, charValue);
+                } else if (charValue <= Short.MAX_VALUE) { // load char as short
+                    methodVisitor.visitIntInsn(SIPUSH, charValue);
+                } else { // load char as const
+                    methodVisitor.visitLdcInsn(charValue);
+                }
+                break;
+            case NULL_VALUE:
+                methodVisitor.visitInsn(ACONST_NULL);
+                break;
+        }
+    }
+
+    @Override
+    public void visit(ReturnNode returnNode) {
+        if (returnNode.voidReturn) { // Return nothing
+            methodVisitor.visitInsn(RETURN);
+        } else { // Return something
+            // Process expression
+            returnNode.expression.accept(this);
+            // Return result of expression
+            methodVisitor.visitInsn(IRETURN);
+        }
+    }
+
+
+    @Override
+    public void visit(WhileNode whileNode) {
+        Label loopLabel = new Label();
+        Label endOfLoopLabel = new Label();
+
+        methodVisitor.visitLabel(loopLabel);
+        // while loop
+        whileNode.expression.accept(this);
+        methodVisitor.visitJumpInsn(IFEQ, endOfLoopLabel); // if condition is false, jump out of loop
+
+        whileNode.block.accept(this);
+        methodVisitor.visitJumpInsn(GOTO, loopLabel);
+
+        methodVisitor.visitLabel(endOfLoopLabel);
+    }
+
+    @Override
+    public void visit(DecrementNode decrementNode) {
+        switch (decrementNode.crementType) {
+            case PREFIX: // --i
+                if (decrementNode.assignableExpression.memberAccess == null) { // local Var
+                    methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), -1);
+                } else { // Field or var from other object
+
+                }
+                break;
+            case SUFFIX: // i--
+                if (decrementNode.assignableExpression.memberAccess == null) { // local Var
+                    methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), -1);
+                } else { // Field or var from other object
+
+                }
+                break;
+        }
+    }
+
+    @Override
+    public void visit(IncrementNode incrementNode) {
+        switch (incrementNode.crementType) {
+            case PREFIX: // ++i
+                if (incrementNode.assignableExpression.memberAccess == null) { // local Var
+                    methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
+                    methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(incrementNode.assignableExpression.identifier));
+
+                } else { // Field or var from other object
+
+                }
+                break;
+            case SUFFIX: // i++
+                if (incrementNode.assignableExpression.memberAccess == null) { // local Var
+                    methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(incrementNode.assignableExpression.identifier));
+                    methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
+                } else { // Field or var from other object
+
+                }
+                break;
+        }
+    }
+
+    @Override
+    public void visit(ChainedMethodNode chainedMethodNode) {
+
+    }
+
+    @Override
+    public void visit(MethodCallNode methodCallNode) {
+
+    }
+
+    @Override
+    public void visit(TargetNode targetNode) {
+
+    }
 }

src/main/java/bytecode/visitor/MethodVisitor.java

@@ -1,9 +1,60 @@
 package bytecode.visitor;
 
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.NotNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
+import ast.members.MainMethodNode;
 import ast.members.MethodNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
+import ast.type.ValueNode;
 
 public interface MethodVisitor {
+    // members
     void visit(ConstructorNode constructorNode);
     void visit(MethodNode methodNode);
+    void visit(MainMethodNode mainMethodNode);
+
+    // Binary expressions
+    void visit(BinaryNode binaryNode);
+    void visit(CalculationNode calculationNode);
+    void visit(DotNode dotNode);
+    void visit(DotSubstractionNode dotSubstractionNode);
+    void visit(NonCalculationNode nonCalculationNode);
+
+    // Unary expressions
+    void visit(MemberAccessNode memberAccessNode);
+    void visit(NotNode notExpressionNode);
+    void visit(UnaryNode unaryExpressionNode);
+
+    // statements
+    void visit(IfElseNode ifElseNode);
+
+    void visit(LocalVariableDeclarationNode localVariableDeclarationNode);
+    void visit(ReturnNode returnNode);
+    void visit(WhileNode whileNode);
+
+    // statement expression
+    void visit(DecrementNode decrementNode);
+    void visit(IncrementNode incrementNode);
+
+    void visit(ChainedMethodNode chainedMethodNode);
+    void visit(MethodCallNode methodCallNode);
+    void visit(TargetNode targetNode);
+
+    void visit(AssignNode assignNode);
+    void visit(NewDeclarationNode newDeclarationNode);
+
+    // type
+    void visit(ValueNode valueNode);
+
 }

src/main/java/main/Main.java

@@ -91,15 +91,15 @@ public class Main {
 
         /*------------------------- Semantic Analyzer -> typed AST -------------------------*/
         // Use the SemanticAnalyzer to generate a typed AST
-        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        //ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
         // Log the typed AST
-        RaupenLogger.logSemanticAnalyzer(typedAst);
+        RaupenLogger.logSemanticAnalyzer(abstractSyntaxTree);
 
         /*------------------------- Bytecode Generator -> Bytecode -------------------------*/
         // Use the ByteCodeGenerator to generate bytecode from the typed AST and output it to the specified directory
         ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath);
-        assert typedAst != null;
+        assert abstractSyntaxTree != null;
-        byteCodeGenerator.visit((ProgramNode) typedAst);
+        byteCodeGenerator.visit((ProgramNode) abstractSyntaxTree);
         // Log the bytecode generation
         RaupenLogger.logBytecodeGenerator();
     }

src/main/java/parser/astBuilder/ASTBuilder.java

@@ -56,10 +56,12 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
         for (SimpleJavaParser.MemberDeclarationContext member : ctx.memberDeclaration()) {
             MemberNode memberNode = (MemberNode) visit(member);
-            if(memberNode instanceof ConstructorNode){
+            if(memberNode != null) {
-                hasConstructor = true;
+                if(memberNode instanceof ConstructorNode){
+                    hasConstructor = true;
+                }
+                classNode.addMember(memberNode);
             }
-            classNode.addMember(memberNode);
         }
 
         if(!hasConstructor){
@@ -73,7 +75,12 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) {
-        ConstructorNode constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        ConstructorNode constructorNode;
+        if(ctx.AccessModifier() != null) {
+            constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        } else {
+            constructorNode = new ConstructorNode(null, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        }
         if(ctx.parameterList() != null) {
             for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
                 constructorNode.addParameter((ParameterNode) visit(parameter));
@@ -91,22 +98,43 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
             return mainMethod;
         } else {
             if(ctx.type() != null) {
-                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                if(ctx.AccessModifier() != null) {
-                if(ctx.parameterList() != null) {
+                    MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
-                    for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                    if(ctx.parameterList() != null) {
-                        methodNode.addParameter((ParameterNode) visit(parameter));
+                        for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                            methodNode.addParameter((ParameterNode) visit(parameter));
+                        }
                     }
+                    return methodNode;
+                } else {
+                    MethodNode methodNode = new MethodNode("public", createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                    if(ctx.parameterList() != null) {
+                        for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                            methodNode.addParameter((ParameterNode) visit(parameter));
+                        }
+                    }
+                    return methodNode;
                 }
-                return methodNode;
             } else {
-                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                if(ctx.AccessModifier() != null) {
-                if(ctx.parameterList() != null) {
+                    MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
-                    for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                    if(ctx.parameterList() != null) {
-                        methodNode.addParameter((ParameterNode) visit(parameter));
+                        for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                            methodNode.addParameter((ParameterNode) visit(parameter));
+                        }
                     }
+                    methodNode.block.addStatement(new ReturnNode(null));
+                    return methodNode;
+                } else {
+                    MethodNode methodNode = new MethodNode("public", null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                    if(ctx.parameterList() != null) {
+                        for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                            methodNode.addParameter((ParameterNode) visit(parameter));
+                        }
+                    }
+                    methodNode.block.addStatement(new ReturnNode(null));
+                    return methodNode;
                 }
-                methodNode.block.addStatement(new ReturnNode(null));
-                return methodNode;
             }
         }
     }
@@ -116,7 +144,7 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
         if(ctx.AccessModifier() != null) {
             return new FieldNode(new AccessModifierNode(ctx.AccessModifier().getText()), createTypeNode(ctx.type().getText()), ctx.Identifier().getText());
         } else {
-            return new FieldNode(null, createTypeNode(ctx.type().getText()), ctx.Identifier().getText());
+            return new FieldNode(new AccessModifierNode("public"), createTypeNode(ctx.type().getText()), ctx.Identifier().getText());
         }
     }
 
@@ -289,7 +317,12 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitMethodCall(SimpleJavaParser.MethodCallContext ctx) {
-        MethodCallNode methodCallStatementExpressionNode = new MethodCallNode((TargetNode) visit(ctx.target()), ctx.Identifier().getText());
+        MethodCallNode methodCallStatementExpressionNode;
+        if(ctx.target() != null) {
+            methodCallStatementExpressionNode = new MethodCallNode((TargetNode) visit(ctx.target()), ctx.Identifier().getText());
+        } else {
+            methodCallStatementExpressionNode = new MethodCallNode(null, ctx.Identifier().getText());
+        }
         for(SimpleJavaParser.ChainedMethodContext chainedMethod : ctx.chainedMethod()) {
             methodCallStatementExpressionNode.addChainedMethod((ChainedMethodNode) visit(chainedMethod));
         }

src/main/resources/input/CompilerInput.java

@@ -2,13 +2,15 @@ public class Compiler {
     public int add(int i, int j) {
         return i+j;
     }
+    public static void main(String[] args) {
+        int a = 1;
+    }
 }
 
 public class Node {
     public void main() {
         Compiler compiler = new Compiler();
         int i = compiler.add(5, 8);
-        return i;
     }
 }
 

src/test/Makefile

@@ -10,7 +10,7 @@ compile-javac:
 compile-raupenpiler:
 	cd ../.. ; mvn -DskipTests install
 	cd ../.. ; mvn exec:java -Dexec.mainClass="main.Main"  -Dexec.args="'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' "
-	cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
+	# cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
 
 test: compile-javac compile-raupenpiler test-javac test-raupenpiler
 
@@ -31,6 +31,7 @@ test-raupenpiler:
 clean:
 	# clean output folders
 	rm -f ../main/resources/output/*.class
+	rm -f ../main/resources/output/*.jar
 	rm -f ./resources/output/javac/*.class
 	rm -f ./resources/output/raupenpiler/*.class
 	# clean logs

src/test/java/main/E2EReflectionsTest.java

@@ -0,0 +1,177 @@
+package main;
+
+import ast.ASTNode;
+import ast.ProgramNode;
+import bytecode.ByteCodeGenerator;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.tree.ParseTree;
+import parser.astBuilder.ASTBuilder;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+import semantic.SemanticAnalyzer;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+
+public class E2EReflectionsTest {
+
+
+    private CharStream mockInputCharStream;
+    private String outputDirectoryPath;
+    private SimpleJavaLexer mockLexer;
+    private CommonTokenStream mockTokenStream;
+    private SimpleJavaParser mockParser;
+    private ParseTree mockParseTree;
+    private ASTBuilder mockASTBuilder;
+    private ASTNode mockASTNode;
+    private SemanticAnalyzer mockSemanticAnalyzer;
+    private ASTNode mockTypedAST;
+    private ByteCodeGenerator mockByteCodeGenerator;
+
+    @BeforeEach
+    public void setUp() {
+        mockInputCharStream = mock(CharStream.class);
+        outputDirectoryPath = "path/to/output";
+        mockLexer = mock(SimpleJavaLexer.class);
+        mockTokenStream = mock(CommonTokenStream.class);
+        mockParser = mock(SimpleJavaParser.class);
+        mockParseTree = mock(ParseTree.class);
+        mockASTBuilder = mock(ASTBuilder.class);
+        mockASTNode = mock(ASTNode.class);
+        mockSemanticAnalyzer = mock(SemanticAnalyzer.class);
+        mockTypedAST = mock(ASTNode.class);
+        mockByteCodeGenerator = mock(ByteCodeGenerator.class);
+    }
+
+    @Test
+    public void testCompileFile() throws Exception {
+        // Mock the dependencies
+        SimpleJavaLexer mockLexer = mock(SimpleJavaLexer.class);
+        CommonTokenStream mockTokenStream = mock(CommonTokenStream.class);
+        SimpleJavaParser mockParser = mock(SimpleJavaParser.class);
+        ParseTree mockParseTree = mock(ParseTree.class);
+        ASTBuilder mockASTBuilder = mock(ASTBuilder.class);
+        ASTNode mockASTNode = mock(ASTNode.class);
+        SemanticAnalyzer mockSemanticAnalyzer = mock(SemanticAnalyzer.class);
+        ASTNode mockTypedAST = mock(ASTNode.class);
+        ByteCodeGenerator mockByteCodeGenerator = mock(ByteCodeGenerator.class);
+
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+        when(mockTokenStream.getTokens()).thenReturn(new ArrayList<>());
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Use reflection to invoke the compileFile method
+        Method compileFileMethod = main.Main.class.getDeclaredMethod("compileFile", CharStream.class, String.class);
+        compileFileMethod.setAccessible(true);
+
+        compileFileMethod.invoke(null, mockInputCharStream, outputDirectoryPath);
+
+        // Verify each step
+        verify(mockLexer, times(1)).nextToken();
+        verify(mockTokenStream, times(1)).getTokens();
+        verify(mockParser, times(1)).program();
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+
+    @Test
+    public void testCompileFile2() throws Exception {
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+        when(mockTokenStream.getTokens()).thenReturn(new ArrayList<>());
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Use reflection to invoke the compileFile method
+        Method compileFileMethod = main.Main.class.getDeclaredMethod("compileFile", CharStream.class, String.class);
+        compileFileMethod.setAccessible(true);
+
+        compileFileMethod.invoke(null, mockInputCharStream, outputDirectoryPath);
+
+        // Verify each step
+        verify(mockLexer, times(1)).nextToken();
+        verify(mockTokenStream, times(1)).getTokens();
+        verify(mockParser, times(1)).program();
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+
+
+
+
+
+
+    @Test
+    public void testLexer() {
+        // Mock the behavior
+        when(mockLexer.nextToken()).thenReturn(null);
+
+        // Test the lexer
+        SimpleJavaLexer lexer = new SimpleJavaLexer(mockInputCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+
+        assertNotNull(tokenStream.getTokens());
+        verify(mockLexer, atLeastOnce()).nextToken();
+    }
+
+    @Test
+    public void testParser() {
+        // Mock the behavior
+        when(mockParser.program()).thenReturn((SimpleJavaParser.ProgramContext) mockParseTree);
+
+        // Test the parser
+        SimpleJavaParser parser = new SimpleJavaParser(mockTokenStream);
+        ParseTree parseTree = parser.program();
+
+        assertNotNull(parseTree);
+        verify(mockParser, times(1)).program();
+    }
+
+    @Test
+    public void testASTBuilder() {
+        // Mock the behavior
+        when(mockASTBuilder.visit(mockParseTree)).thenReturn(mockASTNode);
+
+        // Test the AST builder
+        ASTBuilder astBuilder = new ASTBuilder();
+        ASTNode abstractSyntaxTree = astBuilder.visit(mockParseTree);
+
+        assertNotNull(abstractSyntaxTree);
+        verify(mockASTBuilder, times(1)).visit(mockParseTree);
+    }
+
+    @Test
+    public void testSemanticAnalyzer() {
+        // Mock the behavior
+        when(SemanticAnalyzer.generateTast(mockASTNode)).thenReturn(mockTypedAST);
+
+        // Test the semantic analyzer
+        ASTNode typedAst = SemanticAnalyzer.generateTast(mockASTNode);
+
+        assertNotNull(typedAst);
+        verify(mockSemanticAnalyzer, times(1)).generateTast(mockASTNode);
+    }
+
+    @Test
+    public void testByteCodeGenerator() {
+        // Test the bytecode generator
+        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath);
+        byteCodeGenerator.visit((ProgramNode) mockTypedAST);
+
+        verify(mockByteCodeGenerator, times(1)).visit((ProgramNode) mockTypedAST);
+    }
+}
+

src/test/java/parser/AstBuilderTest.java

@@ -4,12 +4,27 @@ package parser;
 import ast.ASTNode;
 import ast.ClassNode;
 import ast.ProgramNode;
+import ast.expressions.IExpressionNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
 import ast.members.FieldNode;
 import ast.members.MemberNode;
+import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statements.BlockNode;
+import ast.statements.IStatementNode;
+import ast.statements.ReturnNode;
 import ast.type.AccessModifierNode;
+import ast.type.EnumValueNode;
+import ast.type.ValueNode;
 import ast.type.type.BaseType;
+import ast.type.type.ITypeNode;
 import ast.type.type.TypeEnum;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.CharStreams;
 import org.antlr.v4.runtime.CommonTokenStream;
@@ -21,6 +36,7 @@ import parser.generated.SimpleJavaLexer;
 import parser.generated.SimpleJavaParser;
 
 import java.io.IOException;
+import java.lang.reflect.Member;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -41,11 +57,11 @@ class AstBuilderTest {
     @Test
     @DisplayName("Multiple Empty Classes Test")
     public void multipleEmptyClassesTest() {
-        ClassNode classNode1 = Helper.generateEmptyClass("TestClass1");
+        ClassNode class1 = Helper.generateEmptyClass("TestClass1");
-        ClassNode classNode2 = Helper.generateEmptyClass("TestClass2");
+        ClassNode class2 = Helper.generateEmptyClass("TestClass2");
         ProgramNode expected = new ProgramNode();
-        expected.addClass(classNode1);
+        expected.addClass(class1);
-        expected.addClass(classNode2);
+        expected.addClass(class2);
 
         ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/MultipleClasses.java");
         assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
@@ -54,9 +70,9 @@ class AstBuilderTest {
     @Test
     @DisplayName("Empty Class Test with Constructor")
     public void emptyClassWithConstructorTest() {
-        ClassNode classNode = Helper.generateEmptyClass("TestClass");
+        ClassNode class1 = Helper.generateEmptyClass("TestClass");
         ProgramNode expected = new ProgramNode();
-        expected.addClass(classNode);
+        expected.addClass(class1);
 
         ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/EmptyClassWithConstructor.java");
         assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
@@ -65,11 +81,11 @@ class AstBuilderTest {
     @Test
     @DisplayName("Field Test")
     public void fieldTest() {
-        ClassNode classNode = Helper.generateEmptyClass("TestClass");
+        ClassNode class1 = Helper.generateEmptyClass("TestClass");
-        classNode.addMember(new FieldNode(null, new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(new FieldNode(null, new BaseType(TypeEnum.INT), "a"));
 
         ProgramNode expected = new ProgramNode();
-        expected.addClass(classNode);
+        expected.addClass(class1);
 
         ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/Field.java");
         assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
@@ -78,11 +94,11 @@ class AstBuilderTest {
     @Test
     @DisplayName("Field Test with Accessmodifier")
     public void fieldTestWithModifier() {
-        ClassNode classNode = Helper.generateEmptyClass("TestClass");
+        ClassNode class1 = Helper.generateEmptyClass("TestClass");
-        classNode.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
 
         ProgramNode expected = new ProgramNode();
-        expected.addClass(classNode);
+        expected.addClass(class1);
 
         ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/FieldWithAccessModifier.java");
         assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
@@ -91,64 +107,236 @@ class AstBuilderTest {
     @Test
     @DisplayName("Commments Ignore Test")
     public void commmentsIgnoreTest(){
+        ClassNode class1 = Helper.generateEmptyClass("TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/Comments.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Constructor Paramerter Test")
     public void constructorParameterTest(){
+        BlockNode block = new BlockNode();
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", block);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/ConstructorParameter.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("This Dot Test")
     public void thisDotTest(){
+        BlockNode block = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        ValueNode value = new ValueNode(EnumValueNode.INT_VALUE, "1");
+        IExpressionNode expression = new UnaryNode(value);
+
+        block.addStatement(new AssignNode(assignable, expression));
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", block);
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/ThisDot.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Constructor This Dot Test")
     public void constructorThisDotTest(){
+        BlockNode block = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        IExpressionNode expression = new UnaryNode("a");
+
+        block.addStatement(new AssignNode(assignable, expression));
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", block);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/ConstructorThisDot.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Void Methoden Test")
     public void voidMethodenTest(){
+        ClassNode class1 = Helper.generateEmptyClass("TestClass");
+        BlockNode block = new BlockNode();
+        block.addStatement(new ReturnNode(null));
+        class1.addMember(new MethodNode("public", null, true, "test", block));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/VoidMethod.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Constructor Method call Test")
     public void constructorMethodCallTest(){
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        IExpressionNode expression = new UnaryNode(new MethodCallNode(null, "testMethod"));
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "1"))));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/ConstructorMethodCall.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Constructor Method call Parameters Test")
     public void constructorMethodCallParametersTest(){
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
+        methodCall.addExpression(new UnaryNode("a"));
+        IExpressionNode expression = new UnaryNode(methodCall);
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
+        method.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/ConstructorMethodCallParameters.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Char Test")
     public void charTest(){
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
+        methodCall.addExpression(new UnaryNode("a"));
+        IExpressionNode expression = new UnaryNode(methodCall);
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.CHAR), false, "testMethod", blockMethod);
+        method.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.CHAR), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/Char.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Null Test")
     public void nullTest(){
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        blockCon.addStatement(new AssignNode(assignable, new UnaryNode(new ValueNode(EnumValueNode.NULL_VALUE, "null"))));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+
+        ClassNode class1 = new ClassNode("public", "TestClass");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/Null.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test

src/test/resources/input/AllFeaturesClassExample.java

@@ -9,42 +9,25 @@ public class AllFeaturesClassExample {
         this.b = b;
         this.c = c;
     }
-    private class InnerClass {
-        void innerMethod() {
-            System.out.println("Inner class method");
-        }
-    }
 
     // Methode zur Demonstration von Kontrollstrukturen
     void controlStructures() {
         // if-else Anweisung
         if (a > 10) {
-            System.out.println("a ist größer als 10");
+           // System.out.println("a ist größer als 10");
         } else {
-            System.out.println("a ist nicht größer als 10");
+           // System.out.println("a ist nicht größer als 10");
         }
 
         // while Schleife
         while (a > 0) {
-            System.out.println("a ist " + a);
+          //  System.out.println("a ist " + a);
             a--;
         }
 
         // for Schleife
         for (int i = 0; i < 5; i++) {
-            System.out.println("for Schleife Iteration: " + i);
+           // System.out.println("for Schleife Iteration: " + i);
-        }
-
-        // switch Anweisung
-        switch (c) {
-            case 'a':
-                System.out.println("c ist ein 'a'");
-                break;
-            case 'b':
-                System.out.println("c ist ein 'b'");
-                break;
-            default:
-                System.out.println("c ist nicht 'a' oder 'b'");
         }
     }
 
@@ -52,15 +35,28 @@ public class AllFeaturesClassExample {
     void logicalOperations() {
         // Logische UND-Operation
         if (b && a > 5) {
-            System.out.println("a ist größer als 5 und b ist wahr");
+          //  System.out.println("a ist größer als 5 und b ist wahr");
         }
 
         // Logische ODER-Operation
         if (b || a < 5) {
-            System.out.println("b ist wahr oder a ist kleiner als 5");
+           // System.out.println("b ist wahr oder a ist kleiner als 5");
         }
     }
 
+    void mathOperations() {
+        // Addition
+        int sum = a + 5;
+        // Subtraktion
+        int difference = a - 5;
+        // Multiplikation
+        int product = a * 5;
+        // Division
+        int quotient = a / 5;
+        // Modulo
+        int remainder = a % 5;
+    }
+
     public static void main(String[] args) {
         AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
         obj.controlStructures();

src/test/resources/input/javaCases/ThisDot.java

@@ -2,7 +2,7 @@ class TestClass{
 
     public int a;
 
-    public TestClass{
+    public TestClass() {
         this.a = 1;
     }
 }

src/test/resources/trees/correctRefType.json

@@ -1,70 +0,0 @@
-{
-  "classes": [
-    {
-      "identifier": "testClass1",
-      "accessType": {
-        "enumAccessTypeNode": "PUBLIC"
-      },
-      "members": [
-        {
-          "@type": "Field",
-          "accessTypeNode": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testVar1"
-        },
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar1",
-                "expression": {
-                  "@type": "This",
-                  "type": {
-                    "@type": "Reference",
-                    "identifier": "testClass1"
-                  }
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "hasConstructor": false
-    }
-  ]
-}

src/test/resources/trees/refTypeMismatch.json

@@ -1,133 +0,0 @@
-{
-  "classes": [
-    {
-      "identifier": "testClass1",
-      "accessType": {
-        "enumAccessTypeNode": "PUBLIC"
-      },
-      "members": [
-        {
-          "@type": "Field",
-          "accessTypeNode": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testVar1"
-        },
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar1",
-                "expression": {
-                  "@type": "This",
-                  "type": {
-                    "@type": "Reference",
-                    "identifier": "testClass1"
-                  }
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": {
-                  "@type": "Base",
-                  "enumType": "BOOLEAN"
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "hasConstructor": false,
-      "methods": [
-        {
-          "@type": "Method",
-          "visibility": {
-            "enumAccessTypeNode": "PUBLIC"
-          },
-          "type": {
-            "@type": "Base",
-            "enumType": "INT"
-          },
-          "identifier": "testMethod",
-          "parameters": {
-            "parameters": [
-              {
-                "type": {
-                  "@type": "Base",
-                  "enumType": "INT"
-                },
-                "identifier": "param1"
-              }
-            ]
-          },
-          "statements": [
-            {
-              "@type": "Assignment",
-              "expressionLeft": {
-                "@type": "InstVar",
-                "identifier": "testVar",
-                "expression": {
-                  "@type": "InstVar",
-                  "identifier": "testVar",
-                  "expression": {
-                    "@type": "This",
-                    "type": {
-                      "@type": "Reference",
-                      "identifier": "testClass2"
-                    }
-                  },
-                  "type": null
-                },
-                "type": null
-              },
-              "expressionRight": {
-                "@type": "Literal",
-                "type": null
-              },
-              "type": null
-            },
-            {
-              "@type": "VariableDeclaration",
-              "type": {
-                "@type": "Base",
-                "enumType": "CHAR"
-              },
-              "identifier": "objectVar",
-              "expression": {
-                "@type": "Literal",
-                "type": null
-              }
-            }
-          ]
-        }
-      ]
-    }
-  ]
-}

src/test/resources/trees/test.json

@@ -1 +0,0 @@
-{"classes":[{"identifier":"testClass","accessType":{"enumAccessTypeNode":"PUBLIC"},"members":[{"@type":"Field","accessTypeNode":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar1"},{"@type":"Field","accessTypeNode":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"objectVar"},{"@type":"Method","visibility":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar2","parameters":{"parameters":[{"type":{"@type":"Base","enumType":"INT"},"identifier":"param1"}]},"statements":[{"@type":"Assignment","expressionLeft":{"@type":"InstVar","identifier":"objectVar","expression":{"@type":"This","type":{"@type":"Reference","identifier":"testClass"}},"type":null},"expressionRight":{"@type":"Literal","type":{"@type":"Base","enumType":"INT"}}}]}],"hasConstructor":false,"methods":[{"@type":"Method","visibility":{"enumAccessTypeNode":"PUBLIC"},"type":{"@type":"Base","enumType":"INT"},"identifier":"testVar2","parameters":{"parameters":[{"type":{"@type":"Base","enumType":"INT"},"identifier":"param1"}]},"statements":[{"@type":"Assignment","expressionLeft":{"@type":"InstVar","identifier":"objectVar","expression":{"@type":"This","type":{"@type":"Reference","identifier":"testClass"}},"type":null},"expressionRight":{"@type":"Literal","type":{"@type":"Base","enumType":"INT"}}}]}]}]}