Oder Documentation and Delete unnecessary

# Conflicts:
#	src/main/java/bytecode/MethodCodeGen.java

.gitignore

@@ -77,10 +77,10 @@ fabric.properties
 .idea/caches/build_file_checksums.ser
 
 /target
-src/main/resources/logs/RaupenLog.log
-src/main/resources/output/CompilerInput.class
+src/main/resources/logs/miniCompilerLog.log
+src/test/java/main/CompilerInput.class
 src/test/resources/output/javac/CompilerInput$Test.class
 src/test/resources/output/javac/CompilerInput.class
-src/test/resources/output/raupenpiler/CompilerInput.class
-src/test/resources/output/raupenpiler/CompilerInput$Test.class
+src/test/resources/output/miniCompiler/CompilerInput.class
+src/test/resources/output/miniCompiler/CompilerInput$Test.class
 .idea/inspectionProfiles/Project_Default.xml

.idea/ANTLRv4ToolGrammarProperties.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ANTLRv4ToolGrammarProperties">
+    <option name="perGrammarGenerationSettings">
+      <list>
+        <PerGrammarGenerationSettings>
+          <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/grammar/SimpleJava.g4" />
+          <option name="autoGen" value="true" />
+          <option name="outputDir" value="C:\Users\janni\Desktop\NichtHaskell2.0\src\main\java" />
+          <option name="libDir" value="" />
+          <option name="encoding" value="" />
+          <option name="pkg" value="parser.generated" />
+          <option name="language" value="" />
+          <option name="generateVisitor" value="true" />
+        </PerGrammarGenerationSettings>
+      </list>
+    </option>
+  </component>
+</project>

.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" />

Makefile

@@ -0,0 +1,37 @@
+### IntelliJs play buttons do not work. Run in "src/test" folder with "make" command to run all
+### Or run only parts with "make compile-javac", "make clean" etc.
+
+all: compile-javac compile-miniCompiler
+
+compile-javac:
+	#javac -d src/test/resources/output/javac src/test/resources/input/CompilerInput.java
+
+compile-miniCompiler:
+	cd ../.. ; mvn -DskipTests install
+	cd ../.. ; mvn exec:java -DgenJar=true -DgenClass=true -Dexec.mainClass="main.Main" -Dexec.args="'src/main/resources/input/CompilerInput.java' 'src/main/resources/output'"
+	# cp src/main/resources/output/CompilerInput.class src/test/resources/output/miniCompiler
+
+test-miniCompiler:
+	# move the compiled class to the test/main folder
+	mv src/main/resources/output/CompilerInput.class src/test/java/main/
+	# compile the test class
+	javac src/test/java/main/EndToEndTester.java
+	# run the test class
+	java -cp src/test/java/main EndToEndTester
+
+clean:
+	# clean main output folders
+	rm -f src/main/resources/output/*.class
+	rm -f src/main/resources/output/*.jar
+	# clean resources output folders
+	rm -f src/test/resources/output/javac/*.class
+	rm -f src/test/resources/output/miniCompiler/*.class
+	rm -f src/test/resources/output/miniCompiler/*.jar
+	# clean logs
+	rm -f src/main/resources/logs/*
+	# clean test/java/main folders from .class files for End-to-End tests
+	rm -f src/test/java/main/*.class
+	# clean javac output from every folder
+	rm -f src/test/resources/input/*/*.class
+	# clean test results from maven surefire plugin
+	rm -f ../../target/surefire-reports/*.txt

README.md

@@ -0,0 +1,136 @@
+# "Nicht Haskel 2.0" Java Compiler
+
+Realisation of a subset of the Java Standard Compiler in the course Compiler Construction of the 4th semester Computer Science at the Duale Hochschule Stuttgart (Horb).
+
+This project aims to provide a simplified version of the Java compiler, focusing on key language features and demonstrating the principles of compiler construction.
+
+## Realised Java syntax
+
+- **Data types**: `int`, `boolean`, `char`
+- **Access modifier**: `public`, `protected`, `private`
+- **Operators**: `=` `+` `-` `*` `%` `/` `>` `<` `>=` `<=` `==` `!=` `!` `&&` `||` `++` `--`
+- **Keywords**: `class`, `this`, `while`, `do`, `if`, `else`, `for`, `return`, `new`, `switch`, `case`, `break`, `default`, `:`
+- **Statements**:
+    - `if` ... `if else` ... `else`;
+    - `while` ... ;
+    - `do` ... `while`;
+    - `for`;
+- **Comments**:
+    - Single line: `// comment`
+    - Multi-line: `/* comment */`
+- **Further functions**:
+    - All methods are overloadable
+    - High maintainability and expandability through implementation of the visitor pattern
+    - Logging Input and Outputs
+    - Error Handling in the Semantic Check
+
+## Project Structure
+
+```plain
+src/
+└── main/
+    ├── java/
+    │   ├── ast/              -> Defining the structure of the AST
+    │   ├── bytecode/         -> Generate Java bytecode
+    │   ├── main/             -> Running the compiler
+    │   ├── parser/
+    │   │   ├── astBuilder/   -> Builder creating the AST
+    │   │   ├── generated/    -> Antlr generated grammar
+    │   │   └── grammar/      -> Antlr grammar
+    │   ├── semantic/         -> Running the semantic check
+    │   └── visitor/          -> Visitor interface
+    └── resources/
+test/
+└── java/
+  │ ├── main/                 -> Running E2E tests 
+  │ ├── parser/               -> Performs tests on the parser
+  │ ├── semantic/             -> Performs tests on the semantic check
+  └── resources/              -> Ressources for running the Tests
+```
+
+## Class-Diagramm AST
+
+![AST Diagramm](ast.png)
+
+## Distribution of the realisation
+
+### i22030 & i22035
+Ausführliche Beschreibung der Parser Umsetzung:
+
+![Parserumsetzung](Parser_Dokumentation.pdf)
+
+Parser:
+- Grammar -> (src/main/java/parser/grammar)
+- Scanner 
+- Parser
+- Abstract Syntax Tree (AST) -> (src/main/java/ast)
+- AstBuilder -> (src/main/java/parser/astBuilder)
+
+Parser tests:
+- ParserTests -> (src/test/java/parser)
+- TestCases -> (src/test/resources/input/singeFeatureTests)
+
+Other:
+- Documentation -> (README.md)
+- Ast Class-Diagramm -> (ast.png) 
+- PowerPoint
+
+### i22005
+Semantic check:
+- Set all types and check whether types have been used correctly
+- Contexts -> (src/main/java/semantic/context)
+- Exceptions Handling -> (src/main/java/semantic/exceptions)
+
+Semantic Tests:
+- Typing and Type checking -> (src/test/java/semantic/EndToTypedAstTest)
+- Exception and feature test -> (src/test/resources/input/typedAstExceptionsTests)
+
+### i22007
+Bytecode generation:
+- Complete bytecode generation -> (src/mein/java/bytecode)
+
+### i22011
+Tests and execution:
+- Makefile
+- Running Compiler -> (src/main/main)
+- Running E2E tests -> (src/test/main)
+- Typing and Type checking -> (src/test/java/semantic/EndToTypedAstTest)
+
+
+## Used Tools
+
+- [Maven 4.0](https://maven.apache.org/index.html)
+  - Used for automating the build process and managing dependencies.
+- [ANTLR4 v.13.1](https://www.antlr.org/)
+  - Used to parse the input Java code into the Abstract Syntax Tree.
+
+## How to run the compiler
+### Possibilities
+### 1. Start miniCompiler using make:
+Make needs to be installed
+```bash
+cd .\src\test\ ; make clean compile-miniCompiler
+```
+
+### 2. Start miniCompiler using jar:
+If you do not have the .jar, download it [here](https://gitea.hb.dhbw-stuttgart.de/i22005/NichtHaskell2.0/src/branch/main/JavaCompiler-1.0-jar-with-dependencies.jar) or compile it using mvn package or make first
+```
+java.exe -DgenJar=bool -DgenClass=bool -jar path_to_jar\jarName.jar 'path_to_input_file.java' 'path_to_output_directory'
+```
+
+Example (jar needs to be in the target directory)
+```bash
+ java.exe -DgenJar=true -DgenClass=true -jar .\target\JavaCompiler-1.0-jar-with-dependencies.jar 'src/main/resources/input/CompilerInput.java' 'src/main/resources/output'
+```
+
+- set DgenJar true, to generate the jar, false for no jar
+
+```
+ DgenJar=true
+```
+
+- set DgenClass true, to generate class files, false for no class files
+
+```
+ DgenClass=true
+ ```

pom.xml

@@ -20,7 +20,25 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.9.3</version> <!-- Change the version as needed -->
+            <version>5.11.0-M2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-suite-engine</artifactId>
+            <version>1.11.0-M2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.11.0-M2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -53,6 +71,11 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.0.0-M5</version> <!-- Change the version as needed -->
+                <configuration>
+                    <includes>
+                        <include>**/*Test.java</include>
+                    </includes>
+                </configuration>
             </plugin>
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
@@ -78,4 +101,11 @@
             </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/ASTNode.java

@@ -1,5 +1,6 @@
 package ast;
 
-public interface ASTNode { }
+public interface ASTNode {
+}
 
 

src/main/java/ast/ClassNode.java

@@ -1,11 +1,11 @@
 package ast;
 
 import ast.type.AccessModifierNode;
-import ast.member.ConstructorNode;
-import ast.member.MemberNode;
-import ast.member.MethodNode;
+import ast.members.MemberNode;
+import ast.members.MethodNode;
+import bytecode.visitor.ClassVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
 import java.util.ArrayList;
@@ -15,31 +15,21 @@ public class ClassNode implements ASTNode, Visitable {
     public AccessModifierNode accessType;
     public String identifier;
     public List<MemberNode> members = new ArrayList<>();
-    public boolean hasConstructor;
 
-    public ClassNode() {}
+    public ClassNode() {
 
-    public ClassNode(String accessType, String identifier){
+    }
+
+    public ClassNode(String accessType, String identifier) {
         this.accessType = new AccessModifierNode(accessType);
         this.identifier = identifier;
-        hasConstructor = false;
     }
 
     public void addMember(MemberNode member) {
-        if (member instanceof ConstructorNode) {
-            this.hasConstructor = true;
-        }
         members.add(member);
     }
 
-    public void ensureConstructor(){
-        if(!hasConstructor) {
-            ConstructorNode constructor = new ConstructorNode(new AccessModifierNode("public"), identifier);
-            members.addFirst(constructor);
-        }
-    }
-
-    public List<MethodNode> getMethods(){
+    public List<MethodNode> getMethods() {
         List<MethodNode> methods = new ArrayList<>();
         for (MemberNode member : members) {
             if (member instanceof MethodNode methodNode) {
@@ -54,4 +44,9 @@ public class ClassNode implements ASTNode, Visitable {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(ClassVisitor classVisitor) {
+        classVisitor.visit(this);
+    }
+
 }

src/main/java/ast/ProgramNode.java

@@ -1,7 +1,8 @@
 package ast;
 
+import bytecode.visitor.ProgramVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
 import java.util.ArrayList;
@@ -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/expression/binaryexpression/BinaryExpressionNode.java

@@ -1,19 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.expression.IExpressionNode;
-import ast.type.type.*;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class BinaryExpressionNode implements IExpressionNode {
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-}

src/main/java/ast/expression/binaryexpression/CalculationExpressionNode.java

@@ -1,40 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.type.type.*;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class CalculationExpressionNode extends BinaryExpressionNode {
-    public CalculationExpressionNode calculationExpression;
-    public EnumLineOperator operator;
-    public DotExpressionNode dotExpression;
-
-    public CalculationExpressionNode(CalculationExpressionNode calculationExpression, String operator, DotExpressionNode dotExpression) {
-        this.calculationExpression = calculationExpression;
-        setOperator(operator);
-        this.dotExpression = dotExpression;
-    }
-
-    public CalculationExpressionNode(DotExpressionNode dotExpression) {
-        this.dotExpression = dotExpression;
-    }
-
-    private void setOperator(String operator) {
-        if(operator.equals("+")) {
-            this.operator = EnumLineOperator.PLUS;
-        } else if(operator.equals("-")) {
-            this.operator = EnumLineOperator.MINUS;
-        }
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-
-}

src/main/java/ast/expression/binaryexpression/DotExpressionNode.java

@@ -1,42 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.type.type.*;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class DotExpressionNode extends BinaryExpressionNode {
-    public DotExpressionNode dotExpression;
-    public EnumDotOperator operator;
-    public DotSubstractionExpressionNode dotSubstractionExpression;
-
-    public DotExpressionNode(DotExpressionNode dotExpression, String operator, DotSubstractionExpressionNode dotSubstractionExpression) {
-        this.dotExpression = dotExpression;
-        setOperator(operator);
-        this.dotSubstractionExpression = dotSubstractionExpression;
-    }
-
-    public DotExpressionNode(DotSubstractionExpressionNode dotSubstractionExpression) {
-        this.dotSubstractionExpression = dotSubstractionExpression;
-    }
-
-    private void setOperator(String operator) {
-        if(operator.equals("*")) {
-            this.operator = EnumDotOperator.MULT;
-        } else if(operator.equals("/")) {
-            this.operator = EnumDotOperator.DIV;
-        } else if(operator.equals("%")) {
-            this.operator = EnumDotOperator.MOD;
-        }
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-
-}

src/main/java/ast/expression/binaryexpression/DotSubstractionExpressionNode.java

@@ -1,44 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.expression.unaryexpression.MemberAccessNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
-import ast.type.type.*;
-import ast.type.ValueNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class DotSubstractionExpressionNode extends BinaryExpressionNode {
-    public ValueNode value;
-    public String identifier;
-    public MemberAccessNode memberAccess;
-    public MethodCallStatementExpressionNode methodCall;
-    public CalculationExpressionNode calculationExpression;
-
-    public DotSubstractionExpressionNode(ValueNode value) {
-        this.value = value;
-    }
-
-    public DotSubstractionExpressionNode(String identifier) {
-        this.identifier = identifier;
-    }
-
-    public DotSubstractionExpressionNode(MemberAccessNode memberAccess) {
-        this.memberAccess = memberAccess;
-    }
-
-    public DotSubstractionExpressionNode(MethodCallStatementExpressionNode methodCall, CalculationExpressionNode calculationExpression) {
-        this.methodCall = methodCall;
-        this.calculationExpression = calculationExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-
-}

src/main/java/ast/expression/binaryexpression/NonCalculationExpressionNode.java

@@ -1,50 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.expression.IExpressionNode;
-import ast.expression.unaryexpression.UnaryExpressionNode;
-import ast.type.type.*;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class NonCalculationExpressionNode extends BinaryExpressionNode {
-    public UnaryExpressionNode unaryExpression;
-    public EnumNonCalculationOperator operator;
-    public IExpressionNode expression;
-
-    public NonCalculationExpressionNode(UnaryExpressionNode unaryExpression, String operator, IExpressionNode expression) {
-        this.unaryExpression = unaryExpression;
-        setOperator(operator);
-        this.expression = expression;
-    }
-
-    private void setOperator(String operator) {
-        if(operator.equals("&&")) {
-            this.operator = EnumNonCalculationOperator.AND;
-        } else if(operator.equals("||")) {
-            this.operator = EnumNonCalculationOperator.OR;
-        } else if(operator.equals(">")) {
-            this.operator = EnumNonCalculationOperator.GREATER;
-        } else if(operator.equals("<")) {
-            this.operator = EnumNonCalculationOperator.LESS;
-        } else if(operator.equals(">=")) {
-            this.operator = EnumNonCalculationOperator.GREATER_EQUAL;
-        } else if(operator.equals("<=")) {
-            this.operator = EnumNonCalculationOperator.LESS_EQUAL;
-        } else if(operator.equals("==")) {
-            this.operator = EnumNonCalculationOperator.EQUAL;
-        } else if(operator.equals("!=")) {
-            this.operator = EnumNonCalculationOperator.NOT_EQUAL;
-        }
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-
-}

src/main/java/ast/expression/unaryexpression/MemberAccessNode.java

@@ -1,20 +0,0 @@
-package ast.expression.unaryexpression;
-
-import ast.ASTNode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class MemberAccessNode implements ASTNode {
-    public Boolean thisExpr;
-    public List<String> identifiers = new ArrayList<>();
-
-    public MemberAccessNode(Boolean thisExpr) {
-        this.thisExpr = thisExpr;
-    }
-
-    public void addIdentifier(String identifier) {
-        identifiers.add(identifier);
-    }
-
-}

src/main/java/ast/expression/unaryexpression/NotExpressionNode.java

@@ -1,13 +0,0 @@
-package ast.expression.unaryexpression;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-
-public class NotExpressionNode implements ASTNode {
-    public IExpressionNode expression;
-
-    public NotExpressionNode(IExpressionNode expression) {
-        this.expression = expression;
-    }
-
-}

src/main/java/ast/expressions/IExpressionNode.java

@@ -1,4 +1,4 @@
-package ast.expression;
+package ast.expressions;
 
 import ast.ASTNode;
 import ast.type.type.ITypeNode;
@@ -8,4 +8,6 @@ public interface IExpressionNode extends ASTNode, Visitable {
 
     ITypeNode getType();
 
+    void setType(ITypeNode type);
+
 }

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

@@ -0,0 +1,33 @@
+package ast.expressions.binaryexpressions;
+
+import ast.expressions.IExpressionNode;
+import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
+
+public class BinaryNode implements IExpressionNode, Visitable {
+
+    public ITypeNode typeNode;
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public ITypeNode getType() {
+        return typeNode;
+    }
+
+    @Override
+    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

@@ -0,0 +1,43 @@
+package ast.expressions.binaryexpressions;
+
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class CalculationNode extends BinaryNode {
+    public CalculationNode calculationExpression;
+    public EnumLineOperator operator;
+    public DotNode dotExpression;
+
+    public CalculationNode(CalculationNode calculationExpression, String operator, DotNode dotExpression) {
+        this.calculationExpression = calculationExpression;
+        setOperator(operator);
+        this.dotExpression = dotExpression;
+    }
+
+    public CalculationNode(DotNode dotExpression) {
+        this.dotExpression = dotExpression;
+    }
+
+    public void setOperator(String operator) {
+        if (operator != null) {
+            if (operator.equals("+")) {
+                this.operator = EnumLineOperator.PLUS;
+            } else if (operator.equals("-")) {
+                this.operator = EnumLineOperator.MINUS;
+            }
+        }
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,40 @@
+package ast.expressions.binaryexpressions;
+
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class DotNode extends BinaryNode {
+    public DotNode dotExpression;
+    public EnumDotOperator operator;
+    public DotSubtractionNode dotSubtractionExpression;
+
+    public DotNode(DotNode dotExpression, String operator, DotSubtractionNode dotSubtractionExpression) {
+        this.dotExpression = dotExpression;
+        setOperator(operator);
+        this.dotSubtractionExpression = dotSubtractionExpression;
+    }
+
+    public DotNode(DotSubtractionNode dotSubtractionExpression) {
+        this.dotSubtractionExpression = dotSubtractionExpression;
+    }
+
+    public void setOperator(String operator) {
+        switch (operator) {
+            case "*" -> this.operator = EnumDotOperator.MULT;
+            case "/" -> this.operator = EnumDotOperator.DIV;
+            case "%" -> this.operator = EnumDotOperator.MOD;
+        }
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,44 @@
+package ast.expressions.binaryexpressions;
+
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.type.ValueNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class DotSubtractionNode extends BinaryNode {
+    public ValueNode value;
+    public String identifier;
+    public MemberAccessNode memberAccess;
+    public MethodCallNode methodCall;
+    public CalculationNode calculationExpression;
+
+    public DotSubtractionNode(ValueNode value) {
+        this.value = value;
+    }
+
+    public DotSubtractionNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public DotSubtractionNode(MemberAccessNode memberAccess) {
+        this.memberAccess = memberAccess;
+    }
+
+    public DotSubtractionNode(MethodCallNode methodCall, CalculationNode calculationExpression) {
+        this.methodCall = methodCall;
+        this.calculationExpression = calculationExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumDotOperator {
     MULT, DIV, MOD

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

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumLineOperator {
     PLUS, MINUS

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

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumNonCalculationOperator {
     AND, OR, GREATER, LESS, GREATER_EQUAL, LESS_EQUAL, EQUAL, NOT_EQUAL

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

@@ -0,0 +1,43 @@
+package ast.expressions.binaryexpressions;
+
+import ast.expressions.IExpressionNode;
+import ast.expressions.unaryexpressions.UnaryNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class NonCalculationNode extends BinaryNode {
+    public UnaryNode unaryExpression;
+    public EnumNonCalculationOperator operator;
+    public IExpressionNode expression;
+
+    public NonCalculationNode(UnaryNode unaryExpression, String operator, IExpressionNode expression) {
+        this.unaryExpression = unaryExpression;
+        setOperator(operator);
+        this.expression = expression;
+    }
+
+    public void setOperator(String operator) {
+        switch (operator) {
+            case "&&" -> this.operator = EnumNonCalculationOperator.AND;
+            case "||" -> this.operator = EnumNonCalculationOperator.OR;
+            case ">" -> this.operator = EnumNonCalculationOperator.GREATER;
+            case "<" -> this.operator = EnumNonCalculationOperator.LESS;
+            case ">=" -> this.operator = EnumNonCalculationOperator.GREATER_EQUAL;
+            case "<=" -> this.operator = EnumNonCalculationOperator.LESS_EQUAL;
+            case "==" -> this.operator = EnumNonCalculationOperator.EQUAL;
+            case "!=" -> this.operator = EnumNonCalculationOperator.NOT_EQUAL;
+        }
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,45 @@
+package ast.expressions.unaryexpressions;
+
+import ast.ASTNode;
+import ast.type.type.ITypeNode;
+import bytecode.visitor.MethodVisitor;
+
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MemberAccessNode implements ASTNode, Visitable {
+    public Boolean thisExpr;
+    public List<String> identifiers = new ArrayList<>();
+    private ITypeNode typeNode;
+
+    public MemberAccessNode(Boolean thisExpr) {
+        this.thisExpr = thisExpr;
+    }
+
+    public void addIdentifier(String identifier) {
+        identifiers.add(identifier);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    public ITypeNode getTypeNode() {
+        return typeNode;
+    }
+
+    public void setTypeNode(ITypeNode typeNode) {
+        this.typeNode = typeNode;
+    }
+
+
+}

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

@@ -0,0 +1,35 @@
+package ast.expressions.unaryexpressions;
+
+import ast.expressions.IExpressionNode;
+import ast.type.type.ITypeNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class NotNode implements IExpressionNode {
+    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;
+    }
+
+    @Override
+    public ITypeNode getType() {
+        return expression.getType();
+    }
+
+    @Override
+    public void setType(ITypeNode type) {
+        this.expression.setType(type);
+    }
+}

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

@@ -1,49 +1,50 @@
-package ast.expression.unaryexpression;
+package ast.expressions.unaryexpressions;
 
-import ast.expression.IExpressionNode;
-import ast.statement.IStatementNode;
+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;
+import semantic.TypeCheckResult;
 
 import java.util.Objects;
 
-public class UnaryExpressionNode implements IExpressionNode {
+public class UnaryNode implements IExpressionNode {
     public String thisExp;
     public String identifier;
     public MemberAccessNode memberAccess;
     public ValueNode value;
-    public NotExpressionNode notExpression;
+    public NotNode notExpression;
     public IStatementNode statement;
     public IExpressionNode expression;
-    private ITypeNode type;
+    public ITypeNode type;
 
-    public UnaryExpressionNode(String value) {
-        if(Objects.equals(value, "this")) {
+    public UnaryNode(String value) {
+        if (Objects.equals(value, "this")) {
             this.thisExp = "this";
         } else {
             this.identifier = value;
         }
     }
 
-    public UnaryExpressionNode(MemberAccessNode memberAccess) {
+    public UnaryNode(MemberAccessNode memberAccess) {
         this.memberAccess = memberAccess;
     }
 
-    public UnaryExpressionNode(ValueNode value) {
+    public UnaryNode(ValueNode value) {
         this.value = value;
     }
 
-    public UnaryExpressionNode(NotExpressionNode notExpression) {
+    public UnaryNode(NotNode notExpression) {
         this.notExpression = notExpression;
     }
 
-    public UnaryExpressionNode(IStatementNode statement) {
+    public UnaryNode(IStatementNode statement) {
         this.statement = statement;
     }
 
-    public UnaryExpressionNode(IExpressionNode expression) {
+    public UnaryNode(IExpressionNode expression) {
         this.expression = expression;
     }
 
@@ -61,4 +62,9 @@ public class UnaryExpressionNode implements IExpressionNode {
         this.type = type;
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

src/main/java/ast/member/ConstructorNode.java

@@ -1,34 +0,0 @@
-package ast.member;
-
-import ast.block.BlockNode;
-import ast.parameter.ParameterNode;
-import ast.type.AccessModifierNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class ConstructorNode extends MethodNode  {
-    public AccessModifierNode accessType;
-    public String identifier;
-    public List<ParameterNode> parameters = new ArrayList<>();
-    public BlockNode body;
-
-    public ConstructorNode(AccessModifierNode accessType, String identifier) {
-        this.accessType = accessType;
-        this.identifier = identifier;
-    }
-
-    public ConstructorNode(String accessType, String identifier, BlockNode body) {
-        this.accessType = new AccessModifierNode(accessType);
-        this.identifier = identifier;
-        this.body = body;
-    }
-
-    public void addParameter(ParameterNode parameterNode) {
-        parameters.add(parameterNode);
-    }
-
-}

src/main/java/ast/member/MainMethodNode.java

@@ -1,11 +0,0 @@
-package ast.member;
-
-import ast.block.BlockNode;
-
-public class MainMethodNode extends MethodNode {
-    public BlockNode block;
-
-    public MainMethodNode(BlockNode block) {
-        this.block = block;
-    }
-}

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

@@ -0,0 +1,41 @@
+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;
+import java.util.Objects;
+
+public class ConstructorNode extends MethodNode implements Visitable {
+    public ConstructorNode(String accessType, String identifier, BlockNode block) {
+        this.accesModifier = new AccessModifierNode(accessType);
+        this.identifier = identifier;
+        this.block = block;
+    }
+
+    public void addParameter(ParameterNode parameterNode) {
+        parameters.add(parameterNode);
+    }
+
+    @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()) {
+            return false;
+        }
+
+        for (int i = 0; i < this.getParameters().size(); i++) {
+            if (!this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

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

@@ -1,9 +1,10 @@
-package ast.member;
+package ast.members;
 
 import ast.type.AccessModifierNode;
 import ast.type.type.ITypeNode;
+import bytecode.visitor.ClassVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
 public class FieldNode implements MemberNode, Visitable {
@@ -11,7 +12,7 @@ public class FieldNode implements MemberNode, Visitable {
     public ITypeNode type;
     public String identifier;
 
-    public FieldNode(AccessModifierNode accessTypeNode, ITypeNode type, String name){
+    public FieldNode(AccessModifierNode accessTypeNode, ITypeNode type, String name) {
         this.accessTypeNode = accessTypeNode;
         this.type = type;
         this.identifier = name;
@@ -22,4 +23,9 @@ 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

@@ -0,0 +1,17 @@
+package ast.members;
+
+import ast.statements.BlockNode;
+import bytecode.visitor.MethodVisitor;
+import visitor.Visitable;
+
+public class MainMethodNode extends MethodNode implements Visitable {
+
+    public MainMethodNode(BlockNode block) {
+        this.block = block;
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+}

src/main/java/ast/members/MemberNode.java

@@ -1,4 +1,4 @@
-package ast.member;
+package ast.members;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
@@ -10,7 +10,8 @@ import ast.ASTNode;
 @JsonSubTypes({
         @JsonSubTypes.Type(value = MethodNode.class, name = "Method"),
 
-        @JsonSubTypes.Type(value = FieldNode.class, name = "Field") }
+        @JsonSubTypes.Type(value = FieldNode.class, name = "Field")}
 )
 
-public interface MemberNode extends ASTNode {}
+public interface MemberNode extends ASTNode {
+}

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

@@ -1,12 +1,12 @@
-package ast.member;
+package ast.members;
 
-import ast.block.BlockNode;
-import ast.parameter.ParameterNode;
+import ast.parameters.ParameterNode;
+import ast.statements.BlockNode;
 import ast.type.AccessModifierNode;
 import ast.type.type.*;
 import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
 import java.util.ArrayList;
@@ -15,15 +15,16 @@ import java.util.Objects;
 
 public class MethodNode implements MemberNode, Visitable {
     public AccessModifierNode accesModifier;
-    private ITypeNode type;
+    public ITypeNode type;
     public Boolean voidType;
-    private String identifier;
+    public String identifier;
     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){
+    public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block) {
         this.accesModifier = new AccessModifierNode(accessModifier);
         this.type = type;
         this.voidType = voidType;
@@ -39,14 +40,14 @@ public class MethodNode implements MemberNode, Visitable {
         return parameters;
     }
 
-    public boolean isSame(MethodNode methodNode){
+    public boolean isSame(MethodNode methodNode) {
         if (!(Objects.equals(this.identifier, methodNode.getIdentifier())) || type.equals(methodNode.type)
                 || getParameters().size() != methodNode.getParameters().size()) {
             return false;
         }
 
         for (int i = 0; i < this.getParameters().size(); i++) {
-            if (this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
+            if (!this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
                 return false;
             }
         }

src/main/java/ast/parameters/ParameterNode.java

@@ -1,9 +1,9 @@
-package ast.parameter;
+package ast.parameters;
 
 import ast.ASTNode;
 import ast.type.type.*;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
 public class ParameterNode implements ASTNode, Visitable {

src/main/java/ast/statement/ForStatementNode.java

@@ -1,31 +0,0 @@
-package ast.statement;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class ForStatementNode implements IStatementNode {
-    public IExpressionNode statementExpressionInit;
-    public IStatementNode localVariableDeclarationInit;
-    public IExpressionNode expression;
-    public IExpressionNode statementExpression;
-
-    public ForStatementNode(IExpressionNode statementExpressionInit, IExpressionNode expression, IExpressionNode statementExpression) {
-        this.statementExpressionInit = statementExpressionInit;
-        this.expression = expression;
-        this.statementExpression = statementExpression;
-    }
-
-    public ForStatementNode(IStatementNode localVariableDeclarationInit, IExpressionNode expression, IExpressionNode statementExpression) {
-        this.localVariableDeclarationInit = localVariableDeclarationInit;
-        this.expression = expression;
-        this.statementExpression = statementExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ReturnStatementNode.java

@@ -1,24 +0,0 @@
-package ast.statement;
-
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class ReturnStatementNode implements IStatementNode {
-    public IExpressionNode expression;
-    public Boolean voidReturn = false;
-
-    public ReturnStatementNode(IExpressionNode expression) {
-        if(expression != null) {
-            this.expression = expression;
-        } else {
-            voidReturn = true;
-        }
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/ElseStatementNode.java

@@ -1,21 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class ElseStatementNode implements IStatementNode {
-    public BlockNode block;
-
-    public ElseStatementNode(BlockNode block) {
-        this.block = block;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/IfElseStatementNode.java

@@ -1,28 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class IfElseStatementNode implements IStatementNode {
-    public IfStatementNode ifStatement;
-    public List<ElseStatementNode> elseStatements = new ArrayList<>();
-
-    public IfElseStatementNode(IfStatementNode ifStatement) {
-        this.ifStatement = ifStatement;
-    }
-
-    public void addElseStatement(ElseStatementNode elseStatement) {
-        elseStatements.add(elseStatement);
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/IfStatementNode.java

@@ -1,24 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.expression.IExpressionNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class IfStatementNode implements IStatementNode {
-    public IExpressionNode expression;
-    public BlockNode block;
-
-    public IfStatementNode(IExpressionNode expression, BlockNode block) {
-        this.expression = expression;
-        this.block = block;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/AssignStatementExpressionNode.java

@@ -1,21 +0,0 @@
-package ast.statement.statementexpression;
-
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class AssignStatementExpressionNode implements IStatementExpressionNode {
-    public AssignableExpressionNode assignable;
-    public IExpressionNode expression;
-
-    public AssignStatementExpressionNode(AssignableExpressionNode assignable, IExpressionNode expression) {
-        this.assignable = assignable;
-        this.expression = expression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/AssignableExpressionNode.java

@@ -1,25 +0,0 @@
-package ast.statement.statementexpression;
-
-import ast.expression.unaryexpression.MemberAccessNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class AssignableExpressionNode implements IStatementExpressionNode {
-    public String identifier;
-
-    public MemberAccessNode memberAccess;
-
-    public AssignableExpressionNode(String identifier) {
-        this.identifier = identifier;
-    }
-
-    public AssignableExpressionNode(MemberAccessNode memberAccess) {
-        this.memberAccess = memberAccess;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/IStatementExpressionNode.java

@@ -1,5 +0,0 @@
-package ast.statement.statementexpression;
-
-import ast.statement.IStatementNode;
-
-public interface IStatementExpressionNode extends IStatementNode {}

src/main/java/ast/statement/statementexpression/crementExpression/CrementType.java

@@ -1,5 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-public enum CrementType {
-    PREFIX, SUFFIX
-}

src/main/java/ast/statement/statementexpression/crementExpression/DecrementExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-import ast.ASTNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class DecrementExpressionNode implements IStatementExpressionNode {
-    public CrementType crementType;
-    public AssignableExpressionNode assignableExpression;
-
-    public DecrementExpressionNode(CrementType crementType, AssignableExpressionNode assignableExpression) {
-        this.assignableExpression = assignableExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/crementExpression/IncrementExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-import ast.ASTNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class IncrementExpressionNode implements IStatementExpressionNode {
-    public CrementType crementType;
-    public AssignableExpressionNode assignableExpression;
-
-    public IncrementExpressionNode(CrementType crementType, AssignableExpressionNode assignableExpression) {
-        this.assignableExpression = assignableExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/methodcallstatementnexpression/ChainedMethodNode.java

@@ -1,20 +0,0 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class ChainedMethodNode implements ASTNode {
-    public String identifier;
-    public List<IExpressionNode> expressions = new ArrayList<>();
-
-    public ChainedMethodNode(String identifier) {
-        this.identifier = identifier;
-    }
-
-    public void addExpression(IExpressionNode expression) {
-        expressions.add(expression);
-    }
-}

src/main/java/ast/statement/statementexpression/methodcallstatementnexpression/MethodCallStatementExpressionNode.java

@@ -1,36 +0,0 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class MethodCallStatementExpressionNode implements IStatementExpressionNode {
-    public TargetNode target;
-    public List<ChainedMethodNode> chainedMethods = new ArrayList<>();
-    public String identifier;
-    public List<IExpressionNode> expressions = new ArrayList<>();
-
-    public MethodCallStatementExpressionNode(TargetNode target, String identifier) {
-        this.target = target;
-        this.identifier = identifier;
-    }
-
-    public void addChainedMethod(ChainedMethodNode chainedMethode) {
-        chainedMethods.add(chainedMethode);
-    }
-
-    public void addExpression(IExpressionNode expression) {
-        expressions.add(expression);
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/methodcallstatementnexpression/TargetNode.java

@@ -1,28 +0,0 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
-
-import ast.ASTNode;
-import ast.expression.unaryexpression.MemberAccessNode;
-import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
-
-public class TargetNode implements ASTNode {
-    public Boolean thisTar;
-    public MemberAccessNode memberAccess;
-    public NewDeclarationStatementExpressionNode newDeclaration;
-    public String identifier;
-
-    public TargetNode(Boolean thisTar) {
-        this.thisTar = thisTar;
-    }
-
-    public TargetNode(MemberAccessNode memberAccess) {
-        this.memberAccess = memberAccess;
-    }
-
-    public TargetNode(NewDeclarationStatementExpressionNode newDeclaration) {
-        this.newDeclaration = newDeclaration;
-    }
-
-    public TargetNode(String identifier) {
-        this.identifier = identifier;
-    }
-}

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

@@ -0,0 +1,27 @@
+package ast.statementexpressions;
+
+import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class AssignNode implements IStatementExpressionNode {
+    public AssignableNode assignable;
+    public IExpressionNode expression;
+
+    public AssignNode(AssignableNode assignable, IExpressionNode expression) {
+        this.assignable = assignable;
+        this.expression = expression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

src/main/java/ast/statementexpressions/AssignableNode.java

@@ -0,0 +1,32 @@
+package ast.statementexpressions;
+
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.type.type.ITypeNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class AssignableNode implements IStatementExpressionNode {
+    public String identifier;
+    public ITypeNode typeNode;
+
+    public MemberAccessNode memberAccess;
+
+    public AssignableNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public AssignableNode(MemberAccessNode memberAccess) {
+        this.memberAccess = memberAccess;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    public void setTypeNode(ITypeNode typeNode) {
+        this.typeNode = typeNode;
+    }
+
+}

src/main/java/ast/statementexpressions/IStatementExpressionNode.java

@@ -0,0 +1,6 @@
+package ast.statementexpressions;
+
+import ast.statements.IStatementNode;
+
+public interface IStatementExpressionNode extends IStatementNode {
+}

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

@@ -0,0 +1,33 @@
+package ast.statementexpressions;
+
+import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class NewDeclarationNode implements IStatementExpressionNode {
+    public String identifier;
+    public List<IExpressionNode> expressions = new ArrayList<>();
+
+    public NewDeclarationNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public void addExpression(IExpressionNode expression) {
+        expressions.add(expression);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,5 @@
+package ast.statementexpressions.crementexpressions;
+
+public enum CrementType {
+    PREFIX, SUFFIX
+}

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

@@ -0,0 +1,28 @@
+package ast.statementexpressions.crementexpressions;
+
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
+
+public class DecrementNode implements IStatementExpressionNode, Visitable {
+    public CrementType crementType;
+    public AssignableNode assignableExpression;
+
+    public DecrementNode(CrementType crementType, AssignableNode assignableExpression) {
+        this.crementType = crementType;
+        this.assignableExpression = assignableExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+}

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

@@ -0,0 +1,28 @@
+package ast.statementexpressions.crementexpressions;
+
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import visitor.Visitable;
+import semantic.TypeCheckResult;
+
+public class IncrementNode implements IStatementExpressionNode, Visitable {
+    public CrementType crementType;
+    public AssignableNode assignableExpression;
+
+    public IncrementNode(CrementType crementType, AssignableNode assignableExpression) {
+        this.crementType = crementType;
+        this.assignableExpression = assignableExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+}

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

@@ -1,18 +1,20 @@
-package ast.statement.statementexpression;
+package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.ASTNode;
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class NewDeclarationStatementExpressionNode implements IStatementExpressionNode {
+public class ChainedMethodNode implements ASTNode, Visitable {
     public String identifier;
     public List<IExpressionNode> expressions = new ArrayList<>();
 
-    public NewDeclarationStatementExpressionNode(String identifier) {
+    public ChainedMethodNode(String identifier) {
         this.identifier = identifier;
     }
 
@@ -22,7 +24,6 @@ public class NewDeclarationStatementExpressionNode implements IStatementExpressi
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
+        return null;
     }
-
 }

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

@@ -0,0 +1,43 @@
+package ast.statementexpressions.methodcallstatementnexpressions;
+
+import ast.expressions.IExpressionNode;
+import ast.statements.IStatementNode;
+import ast.type.type.ITypeNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MethodCallNode implements IStatementNode {
+    public TargetNode target;
+    public ITypeNode type;
+    public List<ChainedMethodNode> chainedMethods = new ArrayList<>();
+    public String identifier;
+    public List<IExpressionNode> parameters = new ArrayList<>();
+
+    public MethodCallNode(TargetNode target, String identifier) {
+        this.target = target;
+        this.identifier = identifier;
+    }
+
+    public void addChainedMethod(ChainedMethodNode chainedMethode) {
+        chainedMethods.add(chainedMethode);
+    }
+
+    public void addExpression(IExpressionNode parameter) {
+        parameters.add(parameter);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,37 @@
+package ast.statementexpressions.methodcallstatementnexpressions;
+
+import ast.ASTNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.statementexpressions.NewDeclarationNode;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
+
+public class TargetNode implements ASTNode, Visitable {
+    public Boolean thisTar;
+    public MemberAccessNode memberAccess;
+    public NewDeclarationNode newDeclaration;
+    public String identifier;
+
+    public TargetNode(Boolean thisTar) {
+        this.thisTar = thisTar;
+    }
+
+    public TargetNode(MemberAccessNode memberAccess) {
+        this.memberAccess = memberAccess;
+    }
+
+    public TargetNode(NewDeclarationNode newDeclaration) {
+        this.newDeclaration = newDeclaration;
+    }
+
+    public TargetNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+
+}

src/main/java/ast/statements/BlockNode.java

@@ -1,21 +1,18 @@
-package ast.block;
+package ast.statements;
 
-import ast.ASTNode;
-import ast.statement.IStatementNode;
-import ast.statement.ReturnStatementNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 import visitor.Visitable;
 
-import java.beans.Visibility;
 import java.util.ArrayList;
 import java.util.List;
 
-public class BlockNode implements ASTNode, Visitable {
+public class BlockNode implements IStatementNode, Visitable {
     public List<IStatementNode> statements = new ArrayList<>();
-    public Boolean hasReturnStatement = false;
 
-    public BlockNode() {}
+    public BlockNode() {
+    }
 
     public void addStatement(IStatementNode statement) {
         statements.add(statement);
@@ -26,4 +23,9 @@ public class BlockNode implements ASTNode, Visitable {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
 }

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

@@ -0,0 +1,19 @@
+package ast.statements;
+
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class ElseNode implements IStatementNode {
+    public BlockNode block;
+
+    public ElseNode(BlockNode block) {
+        this.block = block;
+    }
+
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+}

src/main/java/ast/statements/IStatementNode.java

@@ -1,4 +1,4 @@
-package ast.statement;
+package ast.statements;
 
 import ast.ASTNode;
 import visitor.Visitable;

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

@@ -0,0 +1,33 @@
+package ast.statements;
+
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class IfElseNode implements IStatementNode {
+    public IfNode ifStatement;
+    public List<IfNode> elseIfStatements = new ArrayList<>();
+    public ElseNode elseStatement;
+
+    public IfElseNode(IfNode ifStatement, ElseNode elseNode) {
+        this.ifStatement = ifStatement;
+        this.elseStatement = elseNode;
+    }
+
+    public void addElseIfStatement(IfNode elseIfStament) {
+        elseIfStatements.add(elseIfStament);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+}

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

@@ -1,16 +1,14 @@
-package ast.statement;
+package ast.statements;
 
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 
-public class WhileStatementNode implements IStatementNode {
+public class IfNode implements IStatementNode {
     public IExpressionNode expression;
     public BlockNode block;
 
-    public WhileStatementNode(IExpressionNode expression, BlockNode block) {
+    public IfNode(IExpressionNode expression, BlockNode block) {
         this.expression = expression;
         this.block = block;
     }
@@ -19,5 +17,4 @@ public class WhileStatementNode implements IStatementNode {
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
-
 }

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

@@ -1,9 +1,10 @@
-package ast.statement;
+package ast.statements;
 
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
+import semantic.TypeCheckResult;
 
 public class LocalVariableDeclarationNode implements IStatementNode {
     public ITypeNode type;
@@ -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

@@ -0,0 +1,30 @@
+package ast.statements;
+
+import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class ReturnNode implements IStatementNode {
+    public IExpressionNode expression;
+    public Boolean voidReturn = false;
+
+    public ReturnNode(IExpressionNode expression) {
+        if (expression != null) {
+            this.expression = expression;
+        } else {
+            voidReturn = true;
+        }
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+}

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

@@ -0,0 +1,30 @@
+package ast.statements;
+
+import ast.expressions.IExpressionNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+
+public class WhileNode implements IStatementNode {
+    public IExpressionNode expression;
+    public BlockNode block;
+
+    public WhileNode(IExpressionNode expression, BlockNode block) {
+        this.expression = expression;
+        this.block = block;
+    }
+
+    public void test() {
+
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+}

src/main/java/ast/type/AccessModifierNode.java

@@ -8,7 +8,7 @@ public class AccessModifierNode {
     }
 
     private void setModifier(String accessType) {
-        switch(accessType) {
+        switch (accessType) {
             case "public":
                 this.accessType = EnumAccessModifierNode.PUBLIC;
                 break;

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

@@ -1,8 +1,12 @@
 package ast.type;
 
 import ast.ASTNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import semantic.TypeCheckResult;
+import visitor.Visitable;
 
-public class ValueNode implements ASTNode {
+public class ValueNode implements ASTNode, Visitable {
     public EnumValueNode valueType;
     public String value;
 
@@ -10,4 +14,14 @@ public class ValueNode implements ASTNode {
         this.valueType = valueType;
         this.value = value;
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
 }

src/main/java/ast/type/type/BaseType.java

@@ -2,7 +2,7 @@ package ast.type.type;
 
 public class BaseType implements ITypeNode {
 
-    private TypeEnum typeEnum;
+    public final TypeEnum typeEnum;
 
     public BaseType(TypeEnum typeEnum) {
         this.typeEnum = typeEnum;
@@ -21,10 +21,6 @@ public class BaseType implements ITypeNode {
         if (getClass() != obj.getClass())
             return false;
         BaseType other = (BaseType) obj;
-        if (typeEnum != other.typeEnum)
-            return false;
-        return true;
+        return typeEnum == other.typeEnum;
     }
-
-
 }

src/main/java/ast/type/type/ITypeNode.java

@@ -1,5 +1,4 @@
 package ast.type.type;
 
 public interface ITypeNode {
-
 }

src/main/java/ast/type/type/ReferenceType.java

@@ -1,8 +1,8 @@
 package ast.type.type;
 
-public class ReferenceType implements ITypeNode{
+public class ReferenceType implements ITypeNode {
 
-    private String identifier;
+    public final String identifier;
 
     public ReferenceType(String identifier) {
         this.identifier = identifier;
@@ -22,11 +22,8 @@ public class ReferenceType implements ITypeNode{
             return false;
         ReferenceType other = (ReferenceType) obj;
         if (identifier == null) {
-            if (other.identifier != null)
-                return false;
-        } else if (!identifier.equals(other.identifier))
-            return false;
-        return true;
+            return other.identifier == null;
+        } else return identifier.equals(other.identifier);
     }
 
 

src/main/java/ast/type/type/TypeEnum.java

@@ -4,6 +4,6 @@ public enum TypeEnum {
     VOID,
     INT,
     CHAR,
-    BOOL;
-
+    BOOL,
+    NULL
 }

src/main/java/bytecode/ByteCodeGenerator.java

@@ -2,21 +2,89 @@ 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 final String outputDirectory;
+    private final boolean generateJar;
+    private final boolean generateClassFiles;
 
-  public ByteCodeGenerator(String outputDirectoryPath) {
-    this.outputDirectoryPath = outputDirectoryPath;
-  }
-
-  @Override
-  public void visit(ProgramNode programNode) {
-    for (ClassNode classDeclarationNode : programNode.classes) {
-//      ClassCodeGen classCodeGen = new ClassCodeGen();
-//      classDeclarationNode.accept(classCodeGen);
+    public ByteCodeGenerator(String outputDirectory, boolean generateJar, boolean generateClassFiles) {
+        this.outputDirectory = outputDirectory;
+        this.generateJar = generateJar;
+        this.generateClassFiles = generateClassFiles;
+    }
+
+    @Override
+    public void visit(ProgramNode programNode) {
+        if(generateJar) {
+            byteArrayOutputStream = new ByteArrayOutputStream();
+            try {
+                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, generateJar, generateClassFiles);
+                classDeclarationNode.accept(classCodeGen);
+            }
+
+            try {
+                jarOutputStream.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            saveJarFile(byteArrayOutputStream.toByteArray(), "output.jar");
+        } else {
+            for (ClassNode classDeclarationNode : programNode.classes) {
+                ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory, generateJar, generateClassFiles);
+                classDeclarationNode.accept(classCodeGen);
+            }
+        }
+    }
+
+    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

@@ -1,35 +1,44 @@
 package bytecode;
 
 import ast.ClassNode;
-import ast.member.FieldNode;
-import ast.member.MemberNode;
-import ast.member.MethodNode;
+import ast.members.FieldNode;
+import ast.members.MemberNode;
+import ast.members.MethodNode;
 import ast.type.type.BaseType;
 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 final Mapper mapper;
     private ClassWriter classWriter;
-    private final String outputDirectoryPath;
+    private final JarOutputStream jarOutputStream;
+    private final String outputDirectory;
+    private final boolean generateJar;
+    private final boolean generateClassFiles;
 
-    public ClassCodeGen(String outputDirectoryPath) {
-        this.outputDirectoryPath = outputDirectoryPath;
-        mapper = new Mapper();
+    public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory, boolean generateJar, boolean generateClassFiles) {
+        this.mapper = new Mapper();
+        this.jarOutputStream = jarOutputStream;
+        this.outputDirectory = outputDirectory;
+        this.generateJar = generateJar;
+        this.generateClassFiles = generateClassFiles;
     }
 
     @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,
-//                "java/lang/Object", null);
+        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
+                "java/lang/Object", null);
 
         for (MemberNode memberNode : classNode.members) {
             if (memberNode instanceof FieldNode) {
@@ -40,29 +49,31 @@ public class ClassCodeGen implements ClassVisitor {
             }
         }
 
-        classWriter.visitEnd();
-        printIntoClassFile(classWriter.toByteArray(), classNode.identifier);
+        if (generateJar) {
+            writeToJar(classWriter.toByteArray(), classNode.identifier);
+        }
+        if (generateClassFiles) {
+            printIntoClassFile(classWriter.toByteArray(), classNode.identifier, outputDirectory);
+        }
 
         classWriter.visitEnd();
     }
 
     @Override
     public void visit(FieldNode fieldNode) {
-        if(fieldNode.type instanceof BaseType baseTypeNode){
-//            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
+        if (fieldNode.type instanceof BaseType) {
+            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar((BaseType) fieldNode.type), null, null);
         }
         classWriter.visitEnd();
     }
 
-    private void printIntoClassFile(byte[] byteCode, String name) {
-        // String outputDirectoryPath = "src/main/resources/output";
-        // System.out.println("Output directory path: " + outputDirectoryPath);
-        File directory = new File(outputDirectoryPath);
+    private void printIntoClassFile(byte[] byteCode, String name, String outputDirectory) {
+        File directory = new File(outputDirectory);
         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 +82,15 @@ 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 +1,65 @@
 package bytecode;
 
+import ast.parameters.ParameterNode;
 import ast.type.*;
+import ast.type.type.BaseType;
+import ast.type.type.ITypeNode;
+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) {
-//        switch (type.enumAccessTypeNode) {
-//            case EnumAccessTypeNode.PUBLIC:
-//                return Opcodes.ACC_PUBLIC;
-//            case EnumAccessTypeNode.PRIVATE:
-//                return Opcodes.ACC_PRIVATE;
-//        }
-//        return 0;
-//    }
+    public int mapAccessTypeToOpcode(AccessModifierNode accessModifierNode) {
+        switch (accessModifierNode.accessType) {
+            case EnumAccessModifierNode.PUBLIC:
+                return Opcodes.ACC_PUBLIC;
+            case EnumAccessModifierNode.PRIVATE:
+                return Opcodes.ACC_PRIVATE;
+            case EnumAccessModifierNode.PUBLIC_STATIC:
+                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) {
-//        String descriptor = "(";
-//        for(ParameterNode parameterNode : parameterListNode.parameters) {
-//            descriptor += getTypeChar(EnumTypeNode.INT);
-//        }
-//        descriptor += ")";
-//        descriptor += getTypeChar(baseTypeNode.enumType);
-//        return descriptor;
-//    }
+    public String generateMethodDescriptor(ITypeNode type, List<ParameterNode> parameters) {
+        String descriptor = "(";
+        for (ParameterNode parameterNode : parameters) {
+            if(parameterNode.type instanceof BaseType) {
+                descriptor += getTypeChar((BaseType) parameterNode.type);
+            } else {
+                ReferenceType referenceType = (ReferenceType) parameterNode.type;
+                descriptor += "L" + referenceType.getIdentifier() + ";";
+            }
+        }
+        descriptor += ")";
+        if(type instanceof BaseType) {
+            descriptor += getTypeChar((BaseType) type);
+        } else if(type instanceof ReferenceType) {
+            descriptor += "L" + ((ReferenceType) type).getIdentifier() +";";
+        }
+        return descriptor;
+    }
 
-//    public String getTypeChar(TypeEnum enumTypeNode) {
-//        String typeChar = "";
-//        switch (enumTypeNode) {
-//            case TypeEnum.INT:
-//                typeChar = "I";
-//                break;
-//            case TypeEnum.CHAR:
-//                typeChar = "C";
-//                break;
-//            case TypeEnum.BOOLEAN:
-//                typeChar = "Z";
-//                break;
-//        }
-//        return typeChar;
-//    }
+    public String getTypeChar(BaseType type) {
+        String typeChar = "";
+        switch (type.getTypeEnum()) {
+            case TypeEnum.INT:
+                typeChar = "I";
+                break;
+            case TypeEnum.CHAR:
+                typeChar = "C";
+                break;
+            case TypeEnum.BOOL:
+                typeChar = "Z";
+                break;
+            case TypeEnum.VOID:
+                typeChar = "V";
+                break;
+        }
+        return typeChar;
+    }
 }

src/main/java/bytecode/MethodCodeGen.java

@@ -1,9 +1,32 @@
 package bytecode;
 
-import ast.member.ConstructorNode;
-import ast.member.MethodNode;
+import ast.expressions.IExpressionNode;
+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.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.CrementType;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statements.*;
+import ast.type.AccessModifierNode;
+import ast.type.EnumAccessModifierNode;
+import ast.type.ValueNode;
+import ast.type.type.BaseType;
+import ast.type.type.ReferenceType;
+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;
@@ -13,82 +36,709 @@ import static org.objectweb.asm.Opcodes.*;
 
 public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
-    private ClassWriter classWriter;
-    private Mapper mapper;
+    private final ClassWriter classWriter;
+    private final Mapper mapper;
     private MethodVisitor methodVisitor;
 
-    private List<String> localVaribales;
+    private final List<String> localVariables;
 
     public MethodCodeGen(ClassWriter classWriter) {
         this.classWriter = classWriter;
         mapper = new Mapper();
-        localVaribales = new ArrayList<>();
+        localVariables = new ArrayList<>();
     }
 
+
+    // Method nodes
+
     @Override
     public void visit(ConstructorNode constructorNode) {
-//        methodVisitor =
-//                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
-//                        "<init>",
-//                        "()V",
-//                        null,
-//                        null);
+        methodVisitor =
+                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.accesModifier),
+                        "<init>",
+                        mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), constructorNode.parameters),
+                        null,
+                        null);
+
         methodVisitor.visitCode();
+        localVariables.add("this");
+        // Add all method parameters to localVariables
+        for (ParameterNode parameterNode : constructorNode.parameters) {
+            localVariables.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) {
+        AccessModifierNode accessModifierNode = new AccessModifierNode("");
+        accessModifierNode.accessType = EnumAccessModifierNode.PUBLIC_STATIC;
+        methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC,
+                "main",
+                "([Ljava/lang/String;)V",
+                null,
+                null);
+
+        methodVisitor.visitCode();
+        localVariables.add("this");
+        localVariables.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.visibility),
-//                    methodNode.identifier,
-//                    mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
-//                    null,
-//                    null);
+        methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
+                methodNode.getIdentifier(),
+                mapper.generateMethodDescriptor(methodNode.getType(), methodNode.parameters),
+                null,
+                null);
 
-            methodVisitor.visitCode();
-            localVaribales.add("this");
-//            for (ParameterNode parameterNode : methodNode.parameters.parameters) {
-//                localVaribales.add(parameterNode.identifier);
-//            }
+        methodVisitor.visitCode();
+        localVariables.add("this");
+        // Add all method parameters to localVariables
+        for (ParameterNode parameterNode : methodNode.parameters) {
+            localVariables.add(parameterNode.identifier);
+        }
 
-            //test();
-            methodVisitor.visitMaxs(1, localVaribales.size());
-            methodVisitor.visitEnd();
-//        }
+        // Visit all statements
+        for (IStatementNode statementNode : methodNode.block.statements) {
+            statementNode.accept(this);
+        }
+
+        methodVisitor.visitMaxs(0, 0);
+        methodVisitor.visitEnd();
     }
 
-//    public void test() {
-//        Label start = new Label();
-//        Label loop = new Label();
-//        Label end = new Label();
-//        methodVisitor.visitLabel(start);
-//        //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
-//        //methodVisitor.visitInsn(Opcodes.ICONST_5);
-//        methodVisitor.visitLdcInsn(99);
-//        // methodVisitor.visitInsn(Opcodes.ICONST_0);
-//        //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
-//        methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
-//        methodVisitor.visitLabel(loop);
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
-//        methodVisitor.visitInsn(Opcodes.ICONST_5);
-//        methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
-//        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
-//                "java/lang/System", "out",
-//                "Ljava/io/PrintStream;");
-//        methodVisitor.visitLdcInsn("Bytecode");
-//        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
-//                "java/io/PrintStream", "println",
-//                "(Ljava/lang/String;)V", false);
-//        methodVisitor.visitIincInsn(1, 1);
-//        methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
-//        methodVisitor.visitLabel(end);
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
-//        methodVisitor.visitInsn(Opcodes.IRETURN);
-//        methodVisitor.visitEnd();
-//    }
+
+    // Binary expressions
+
+    @Override
+    public void visit(BinaryNode binaryNode) {
+        binaryNode.accept(this);
+    }
+
+    @Override
+    public void visit(CalculationNode calculationNode) {
+        if (calculationNode.calculationExpression != null) {
+            calculationNode.calculationExpression.accept(this);
+        }
+        if (calculationNode.dotExpression != null) {
+            calculationNode.dotExpression.accept(this);
+        }
+        if (calculationNode.operator != null) {
+            switch (calculationNode.operator) {
+                case PLUS:
+                    methodVisitor.visitInsn(IADD);
+                    break;
+                case MINUS:
+                    methodVisitor.visitInsn(ISUB);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public void visit(DotNode dotNode) {
+        if (dotNode.dotExpression != null) {
+            dotNode.dotExpression.accept(this);
+        }
+        if (dotNode.dotSubtractionExpression != null) {
+            dotNode.dotSubtractionExpression.accept(this);
+        }
+        if (dotNode.operator != null) {
+            switch (dotNode.operator) {
+                case DIV:
+                    methodVisitor.visitInsn(IDIV);
+                    break;
+                case MULT:
+                    methodVisitor.visitInsn(IMUL);
+                    break;
+                case MOD:
+                    methodVisitor.visitInsn(IREM);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public void visit(DotSubtractionNode dotSubtractionNode) {
+        if (dotSubtractionNode.value != null) {
+            dotSubtractionNode.value.accept(this);
+        } else if (dotSubtractionNode.identifier != null) {
+            methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(dotSubtractionNode.identifier));
+        } else if (dotSubtractionNode.memberAccess != null) {
+            dotSubtractionNode.memberAccess.accept(this);
+        } else if (dotSubtractionNode.methodCall != null) {
+            dotSubtractionNode.methodCall.accept(this);
+        } else if (dotSubtractionNode.calculationExpression != null) {
+            dotSubtractionNode.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_ICMPEQ, 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) {
+        // Only used to get, not to put
+        int localVarIndex = localVariables.indexOf("memberAccessNode.identifier"); // TODO
+        if (localVarIndex >= 0) { // local var object
+            methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+        } else { // this field
+            methodVisitor.visitVarInsn(ALOAD, 0);
+        }
+
+        if (memberAccessNode.getTypeNode() instanceof BaseType) {
+            methodVisitor.visitFieldInsn(GETFIELD, memberAccessNode.identifiers.get(0), memberAccessNode.identifiers.get(1), mapper.getTypeChar((BaseType) memberAccessNode.getTypeNode()));
+        } else if (memberAccessNode.getTypeNode() instanceof ReferenceType) {
+            methodVisitor.visitFieldInsn(GETFIELD, memberAccessNode.identifiers.get(0), memberAccessNode.identifiers.get(1), "L" + ((ReferenceType) memberAccessNode.getTypeNode()).getIdentifier() + ";");
+        }
+    }
+
+    @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) {
+        if (unaryNode.thisExp != null) {
+            methodVisitor.visitVarInsn(ALOAD, 0); // this
+        } else if (unaryNode.memberAccess != null) {
+            unaryNode.memberAccess.setTypeNode(unaryNode.getType());
+            unaryNode.memberAccess.accept(this);
+        } else if (unaryNode.value != null) {
+            unaryNode.value.accept(this);
+        } else if (unaryNode.notExpression != null) {
+            unaryNode.notExpression.accept(this);
+        } else if (unaryNode.statement != null) {
+            unaryNode.statement.accept(this);
+        } else if (unaryNode.expression != null) {
+            unaryNode.expression.accept(this);
+        } else if (unaryNode.identifier != null) {
+            methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(unaryNode.identifier));
+        }
+    }
+
+
+    // Statements
+
+    @Override
+    public void visit(BlockNode blockNode) {
+        for (IStatementNode statementNode : blockNode.statements) {
+            statementNode.accept(this);
+        }
+    }
+
+    @Override
+    public void visit(IfElseNode ifElseNode) {
+        Label elseLabel = new Label();
+        Label endLabel = 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
+
+        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);
+        } else {
+            methodVisitor.visitLabel(elseLabel);
+        }
+
+        methodVisitor.visitLabel(endLabel);
+    }
+
+    @Override
+    public void visit(LocalVariableDeclarationNode localVariableDeclarationNode) {
+        if (localVariableDeclarationNode.expression != null) {
+            // Process expression
+            localVariableDeclarationNode.expression.accept(this);
+
+            if (localVariableDeclarationNode.expression instanceof UnaryNode) {
+                UnaryNode unaryNode = (UnaryNode) localVariableDeclarationNode.expression;
+                if (unaryNode.statement instanceof IncrementNode) {
+                    IncrementNode incrementNode = (IncrementNode) unaryNode.statement;
+                    incrementNode.assignableExpression.typeNode = unaryNode.type;
+                    loadIncrement(incrementNode);
+                } else if (unaryNode.statement instanceof DecrementNode) {
+                    DecrementNode decrementNode = (DecrementNode) unaryNode.statement;
+                    decrementNode.assignableExpression.typeNode = unaryNode.type;
+                    loadDecrement(decrementNode);
+                }
+            }
+
+            // add local var to list if not in list
+            if (!localVariables.contains(localVariableDeclarationNode.identifier)) {
+                localVariables.add(localVariableDeclarationNode.identifier);
+            }
+            if (localVariableDeclarationNode.type instanceof BaseType) {
+                methodVisitor.visitVarInsn(ISTORE, localVariables.indexOf(localVariableDeclarationNode.identifier));
+            } else if (localVariableDeclarationNode.type instanceof ReferenceType) {
+                methodVisitor.visitVarInsn(ASTORE, localVariables.indexOf(localVariableDeclarationNode.identifier));
+            }
+        } else {
+            // Local var declaration
+            if (!localVariables.contains(localVariableDeclarationNode.identifier)) {
+                localVariables.add(localVariableDeclarationNode.identifier);
+            }
+        }
+    }
+
+    @Override
+    public void visit(AssignNode assignNode) {
+        if (assignNode.assignable.memberAccess != null) { // this / object
+            assignNode.assignable.memberAccess.setTypeNode(assignNode.assignable.typeNode);
+            if (assignNode.expression instanceof UnaryNode) {
+                UnaryNode unaryNode = (UnaryNode) assignNode.expression;
+                if (unaryNode.statement instanceof IncrementNode) {
+                    IncrementNode incrementNode = (IncrementNode) unaryNode.statement;
+                    if (incrementNode.crementType.equals(CrementType.PREFIX)) { // ++i
+                        incrementNode.accept(this); // crement
+                        fieldOrObjectVarCrementAssign(assignNode); // assign
+                    } else { // i++
+                        fieldOrObjectVarCrementAssign(assignNode); // assign
+                        incrementNode.accept(this); // crement
+                    }
+                } else if (unaryNode.statement instanceof DecrementNode) {
+                    DecrementNode decrementNode = (DecrementNode) unaryNode.statement;
+                    if (decrementNode.crementType.equals(CrementType.PREFIX)) {
+                        decrementNode.accept(this); // crement
+                        fieldOrObjectVarCrementAssign(assignNode); // assign
+                    } else {
+                        fieldOrObjectVarCrementAssign(assignNode); // assign
+                        decrementNode.accept(this); // crement
+                    }
+                }
+            } else {
+                assignFieldOrObjectVar(assignNode);
+            }
+        } else { // local var
+            if (assignNode.expression instanceof UnaryNode) {
+                UnaryNode unaryNode = (UnaryNode) assignNode.expression;
+                if (unaryNode.statement instanceof IncrementNode || unaryNode.statement instanceof DecrementNode) {
+                    localVarCrementAssign(assignNode);
+                }
+            } else {
+                assignNode.expression.accept(this);
+                assignLocalVar(assignNode);
+            }
+        }
+    }
+
+    private void loadIncrement(IncrementNode incrementNode) {
+        AssignableNode assignableNode = incrementNode.assignableExpression;
+        if (assignableNode.memberAccess != null) {
+            assignableNode.memberAccess.accept(this);
+        } else {
+            if (assignableNode.typeNode instanceof BaseType) {
+                methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(assignableNode.identifier));
+            } else if (assignableNode.typeNode instanceof ReferenceType) {
+                methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignableNode.identifier));
+            }
+        }
+    }
+
+    private void loadDecrement(DecrementNode decrementNode) {
+        AssignableNode assignableNode = decrementNode.assignableExpression;
+        if (assignableNode.memberAccess != null) {
+            assignableNode.memberAccess.accept(this);
+        } else {
+            if (assignableNode.typeNode instanceof BaseType) {
+                methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(assignableNode.identifier));
+            } else if (assignableNode.typeNode instanceof ReferenceType) {
+                methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignableNode.identifier));
+            }
+        }
+    }
+
+    private void assignLocalVar(AssignNode assignNode) {
+        if (!localVariables.contains(assignNode.assignable.identifier)) {
+            localVariables.add(assignNode.assignable.identifier);
+        }
+
+        if (assignNode.expression.getType() instanceof BaseType) {
+            methodVisitor.visitVarInsn(ISTORE, localVariables.indexOf(assignNode.assignable.identifier));
+        } else if (assignNode.expression.getType() instanceof ReferenceType) {
+            methodVisitor.visitVarInsn(ASTORE, localVariables.indexOf(assignNode.assignable.identifier));
+        }
+    }
+
+    private void assignFieldOrObjectVar(AssignNode assignNode) {
+        int localVarIndex = localVariables.indexOf(assignNode.assignable.identifier);
+        if (localVarIndex >= 0) { // object
+            methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+        } else if (assignNode.assignable.memberAccess.thisExpr) { // this
+            methodVisitor.visitVarInsn(ALOAD, 0);
+        } else {
+            localVariables.add(assignNode.assignable.identifier);
+        }
+
+        assignNode.expression.accept(this);
+
+        if (assignNode.expression.getType() instanceof BaseType) {
+            methodVisitor.visitFieldInsn(PUTFIELD, assignNode.assignable.memberAccess.identifiers.get(0), assignNode.assignable.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) assignNode.expression.getType()));
+        } else if (assignNode.expression.getType() instanceof ReferenceType) {
+            ReferenceType referenceType = (ReferenceType) assignNode.expression.getType();
+            methodVisitor.visitFieldInsn(PUTFIELD, assignNode.assignable.memberAccess.identifiers.get(0), assignNode.assignable.memberAccess.identifiers.get(1), "L" + referenceType.getIdentifier() + ";");
+        }
+    }
+
+    private void localVarCrementAssign(AssignNode assignNode) {
+        UnaryNode unaryNode = (UnaryNode) assignNode.expression;
+        if (unaryNode.statement instanceof IncrementNode) {
+            IncrementNode incrementNode = (IncrementNode) unaryNode.statement;
+            if (incrementNode.crementType.equals(CrementType.PREFIX)) { // ++i
+                incrementNode.accept(this);
+                incrementNode.assignableExpression.typeNode = unaryNode.getType();
+                loadIncrement(incrementNode);
+                assignLocalVar(assignNode);
+            } else { // i++
+                incrementNode.assignableExpression.typeNode = unaryNode.getType();
+                loadIncrement(incrementNode);
+                assignLocalVar(assignNode);
+                incrementNode.accept(this);
+            }
+        } else if (unaryNode.statement instanceof DecrementNode) {
+            DecrementNode decrementNode = (DecrementNode) unaryNode.statement;
+            if (decrementNode.crementType.equals(CrementType.PREFIX)) {
+                decrementNode.accept(this);
+                decrementNode.assignableExpression.typeNode = unaryNode.getType();
+                loadDecrement(decrementNode);
+                assignLocalVar(assignNode);
+            } else {
+                decrementNode.assignableExpression.typeNode = unaryNode.getType();
+                loadDecrement(decrementNode);
+                assignLocalVar(assignNode);
+                decrementNode.accept(this);
+            }
+        }
+    }
+
+    private void fieldOrObjectVarCrementAssign(AssignNode assignNode) {
+        int localVarIndex = localVariables.indexOf(assignNode.assignable.identifier);
+        if (localVarIndex >= 0) { // object
+            methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+        } else if (assignNode.assignable.memberAccess.thisExpr) { // field
+            methodVisitor.visitVarInsn(ALOAD, 0);
+        } else {
+            localVariables.add(assignNode.assignable.identifier);
+        }
+
+        UnaryNode unaryNode = (UnaryNode) assignNode.expression;
+        if (unaryNode.statement instanceof IncrementNode) {
+            IncrementNode incrementNode = (IncrementNode) unaryNode.statement;
+            incrementNode.assignableExpression.typeNode = unaryNode.getType();
+            loadIncrement((incrementNode));
+        } else if (unaryNode.statement instanceof DecrementNode) {
+            DecrementNode decrementNode = (DecrementNode) unaryNode.statement;
+            decrementNode.assignableExpression.typeNode = unaryNode.getType();
+            loadDecrement(decrementNode);
+        }
+
+        if (assignNode.expression.getType() instanceof BaseType) {
+            methodVisitor.visitFieldInsn(PUTFIELD, assignNode.assignable.memberAccess.identifiers.get(0), assignNode.assignable.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) assignNode.expression.getType()));
+        } else if (assignNode.expression.getType() instanceof ReferenceType) {
+            ReferenceType referenceType = (ReferenceType) assignNode.expression.getType();
+            methodVisitor.visitFieldInsn(PUTFIELD, assignNode.assignable.memberAccess.identifiers.get(0), assignNode.assignable.memberAccess.identifiers.get(1), "L" + referenceType.getIdentifier() + ";");
+        }
+    }
+
+    @Override
+    public void visit(IncrementNode incrementNode) {
+        if (incrementNode.assignableExpression.memberAccess != null) { // Object var / field
+            int localVarIndex = localVariables.indexOf(incrementNode.assignableExpression.identifier);
+            if (localVarIndex >= 0) { // object
+                methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+            } else { // this
+                methodVisitor.visitVarInsn(ALOAD, 0);
+            }
+            if (incrementNode.assignableExpression.memberAccess.getTypeNode() instanceof BaseType) {
+                methodVisitor.visitFieldInsn(GETFIELD, incrementNode.assignableExpression.memberAccess.identifiers.get(0), incrementNode.assignableExpression.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) incrementNode.assignableExpression.memberAccess.getTypeNode()));
+            } else if (incrementNode.assignableExpression.memberAccess.getTypeNode() instanceof ReferenceType) {
+                methodVisitor.visitFieldInsn(GETFIELD, incrementNode.assignableExpression.memberAccess.identifiers.get(0), incrementNode.assignableExpression.memberAccess.identifiers.get(1), "L" + (((ReferenceType) incrementNode.assignableExpression.memberAccess.getTypeNode()).getIdentifier() + ";"));
+            }
+            methodVisitor.visitInsn(ICONST_1);
+            methodVisitor.visitInsn(IADD);
+            if (incrementNode.assignableExpression.memberAccess.getTypeNode() instanceof BaseType) {
+                methodVisitor.visitFieldInsn(PUTFIELD, incrementNode.assignableExpression.memberAccess.identifiers.get(0), incrementNode.assignableExpression.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) incrementNode.assignableExpression.memberAccess.getTypeNode()));
+            } else if (incrementNode.assignableExpression.memberAccess.getTypeNode() instanceof ReferenceType) {
+                methodVisitor.visitFieldInsn(PUTFIELD, incrementNode.assignableExpression.memberAccess.identifiers.get(0), incrementNode.assignableExpression.memberAccess.identifiers.get(1), "L" + (((ReferenceType) incrementNode.assignableExpression.memberAccess.getTypeNode()).getIdentifier() + ";"));
+            }
+        } else { // local var
+            methodVisitor.visitIincInsn(localVariables.indexOf(incrementNode.assignableExpression.identifier), 1);
+        }
+    }
+
+    @Override
+    public void visit(DecrementNode decrementNode) {
+        if (decrementNode.assignableExpression.memberAccess != null) { // Object var / field
+            int localVarIndex = localVariables.indexOf(decrementNode.assignableExpression.identifier);
+            if (localVarIndex >= 0) { // object
+                methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+            } else { // this
+                methodVisitor.visitVarInsn(ALOAD, 0);
+            }
+            if (decrementNode.assignableExpression.memberAccess.getTypeNode() instanceof BaseType) {
+                methodVisitor.visitFieldInsn(GETFIELD, decrementNode.assignableExpression.memberAccess.identifiers.get(0), decrementNode.assignableExpression.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) decrementNode.assignableExpression.memberAccess.getTypeNode()));
+            } else if (decrementNode.assignableExpression.memberAccess.getTypeNode() instanceof ReferenceType) {
+                methodVisitor.visitFieldInsn(GETFIELD, decrementNode.assignableExpression.memberAccess.identifiers.get(0), decrementNode.assignableExpression.memberAccess.identifiers.get(1), "L" + (((ReferenceType) decrementNode.assignableExpression.memberAccess.getTypeNode()).getIdentifier() + ";"));
+            }
+            methodVisitor.visitInsn(ICONST_1);
+            methodVisitor.visitInsn(ISUB);
+            if (decrementNode.assignableExpression.memberAccess.getTypeNode() instanceof BaseType) {
+                methodVisitor.visitFieldInsn(PUTFIELD, decrementNode.assignableExpression.memberAccess.identifiers.get(0), decrementNode.assignableExpression.memberAccess.identifiers.get(1), mapper.getTypeChar((BaseType) decrementNode.assignableExpression.memberAccess.getTypeNode()));
+            } else if (decrementNode.assignableExpression.memberAccess.getTypeNode() instanceof ReferenceType) {
+                methodVisitor.visitFieldInsn(PUTFIELD, decrementNode.assignableExpression.memberAccess.identifiers.get(0), decrementNode.assignableExpression.memberAccess.identifiers.get(1), "L" + (((ReferenceType) decrementNode.assignableExpression.memberAccess.getTypeNode()).getIdentifier() + ";"));
+            }
+        } else { // local var
+            methodVisitor.visitIincInsn(localVariables.indexOf(decrementNode.assignableExpression.identifier), -1);
+        }
+    }
+
+    @Override
+    public void visit(NewDeclarationNode newDeclarationNode) {
+        methodVisitor.visitTypeInsn(NEW, newDeclarationNode.identifier);
+        methodVisitor.visitInsn(DUP);
+        List<ParameterNode> parameterNodes = new ArrayList<>();
+        for (IExpressionNode expressionNode : newDeclarationNode.expressions) {
+            expressionNode.accept(this);
+            parameterNodes.add(new ParameterNode(expressionNode.getType(), ""));
+        }
+        methodVisitor.visitMethodInsn(INVOKESPECIAL, newDeclarationNode.identifier, "<init>", mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), parameterNodes), false);
+    }
+
+    @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);
+
+            if (returnNode.expression instanceof UnaryNode) {
+                UnaryNode unaryNode = (UnaryNode) returnNode.expression;
+                if (unaryNode.statement instanceof IncrementNode) {
+                    IncrementNode incrementNode = (IncrementNode) unaryNode.statement;
+                    incrementNode.assignableExpression.typeNode = unaryNode.getType();
+                    loadIncrement(incrementNode);
+                }
+                if (unaryNode.statement instanceof DecrementNode) {
+                    DecrementNode decrementNode = (DecrementNode) unaryNode.statement;
+                    decrementNode.assignableExpression.typeNode = unaryNode.getType();
+                    loadDecrement(decrementNode);
+                }
+            }
+
+            // Return result of expression
+            if (returnNode.expression.getType() instanceof BaseType) {
+                methodVisitor.visitInsn(IRETURN);
+            } else if (returnNode.expression.getType() instanceof ReferenceType) {
+                methodVisitor.visitInsn(ARETURN);
+            }
+        }
+    }
+
+
+    @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(MethodCallNode methodCallNode) {
+        List<ParameterNode> parameterNodes = new ArrayList<>();
+        int localVarIndex = -1;
+        if (methodCallNode.target.memberAccess.identifiers.size() > 1) {
+            localVarIndex = localVariables.indexOf(methodCallNode.target.memberAccess.identifiers.get(1));
+        }
+        if (localVarIndex >= 0) { // local var object
+            methodVisitor.visitVarInsn(ALOAD, localVarIndex);
+        } else { // this field
+            methodVisitor.visitVarInsn(ALOAD, 0);
+        }
+        for (IExpressionNode expressionNode : methodCallNode.parameters) {
+            expressionNode.accept(this);
+            parameterNodes.add(new ParameterNode(expressionNode.getType(), ""));
+        }
+        if(methodCallNode.type == null) {
+            methodCallNode.type = new BaseType(TypeEnum.INT);
+        }
+        methodVisitor.visitMethodInsn(INVOKEVIRTUAL, methodCallNode.target.memberAccess.identifiers.get(0), methodCallNode.identifier, mapper.generateMethodDescriptor(methodCallNode.type, parameterNodes), false);
+    }
 }

src/main/java/bytecode/visitor/ClassVisitor.java

@@ -1,10 +1,9 @@
 package bytecode.visitor;
 
 import ast.ClassNode;
-import ast.member.FieldNode;
+import ast.members.FieldNode;
 
 public interface ClassVisitor {
     void visit(ClassNode classNode);
-
     void visit(FieldNode fieldNode);
 }

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

@@ -1,9 +1,68 @@
 package bytecode.visitor;
 
-import ast.member.ConstructorNode;
-import ast.member.MethodNode;
+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.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+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(DotSubtractionNode dotSubtractionNode);
+
+    void visit(NonCalculationNode nonCalculationNode);
+
+    // Unary expressions
+    void visit(MemberAccessNode memberAccessNode);
+
+    void visit(NotNode notExpressionNode);
+
+    void visit(UnaryNode unaryExpressionNode);
+
+    // statements
+    void visit(BlockNode blockNode);
+    void visit(IfElseNode ifElseNode);
+
+    void visit(IncrementNode incrementNode);
+    void visit(DecrementNode decrementNode);
+
+    void visit(LocalVariableDeclarationNode localVariableDeclarationNode);
+
+    void visit(ReturnNode returnNode);
+
+    void visit(WhileNode whileNode);
+
+    // statement expression
+    void visit(MethodCallNode methodCallNode);
+
+    void visit(AssignNode assignNode);
+
+    void visit(NewDeclarationNode newDeclarationNode);
+
+    // type
+    void visit(ValueNode valueNode);
+
 }

src/main/java/bytecode/visitor/ProgramVisitor.java

@@ -3,5 +3,5 @@ package bytecode.visitor;
 import ast.ProgramNode;
 
 public interface ProgramVisitor {
-  void visit(ProgramNode programNode);
+    void visit(ProgramNode programNode);
 }

src/main/java/main/Main.java

@@ -13,16 +13,16 @@ import org.antlr.v4.runtime.tree.ParseTree;
 
 import java.io.IOException;
 import java.nio.file.Paths;
-
+import java.util.Optional;
 
 /**
- * Start Raupenpiler using make:
+ * Start miniCompiler using make:
  * <p> <code> cd .\src\test\ </code>
- * <p> <code> make clean compile-raupenpiler </code>
- * <p> Start Raupenpiler using jar:
- * <p> <code> java.exe -jar path_to_jar\JavaCompiler-1.0-jar-with-dependencies.jar 'path_to_input_file.java' 'path_to_output_directory' </code>
+ * <p> <code> make clean compile-miniCompiler </code>
+ * <p> Start miniCompiler using jar:
+ * <p> <code> java.exe -DgenJar=true_OR_false -DgenClass=true_OR_false -jar path_to_jar\JavaCompiler-1.0-jar-with-dependencies.jar 'path_to_input_file.java' 'path_to_output_directory' </code>
  * <p> Example (jar needs to be in the target directory, compile with make or mvn package first):
- * <code> java.exe -jar .\target\JavaCompiler-1.0-jar-with-dependencies.jar 'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' </code>
+ * <code> java.exe -DgenJar=true -DgenClass=true -jar .\target\JavaCompiler-1.0-jar-with-dependencies.jar 'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' </code>
  */
 public class Main {
     public static void main(String[] args) throws Exception {
@@ -39,16 +39,14 @@ public class Main {
                 System.err.println("Error reading the file: " + e.getMessage());
             }
         }
-        /*        !!! Else Branch (main ohne args starten) ist nicht zur Verwendung vorgesehen, immer mit args starten !!!
         else {
             try {
-                CharStream codeCharStream = CharStreams.fromPath(Paths.get("src/main/resources/input/CompilerInput.java"));
-                compileFile(codeCharStream);
+                CharStream codeCharStream = CharStreams.fromPath(Paths.get("src/test/resources/input/finalTest/Car.java"));
+                compileFile(codeCharStream, "src/test/resources/input/finalTest");
             } catch (IOException e) {
                 System.err.println("Error reading the file: " + e.getMessage());
             }
         }
-        */
     }
 
     /**
@@ -65,7 +63,7 @@ public class Main {
      */
     static void compileFile(CharStream inputCharStream, String outputDirectoryPath) {
         // Initialize the logger
-        new RaupenLogger();
+        new MiniCompilerLogger();
 
         /* ------------------------- Scanner -> tokens ------------------------- */
         // Use the SimpleJavaLexer to tokenize the input CharStream
@@ -73,34 +71,46 @@ public class Main {
         CommonTokenStream tokenStream = new CommonTokenStream(lexer);
         tokenStream.fill();
         // Log the tokens
-        RaupenLogger.logScanner(tokenStream);
+        MiniCompilerLogger.logScanner(tokenStream);
 
         /*------------------------- Parser -> Parsetree -------------------------*/
         // Use the SimpleJavaParser to parse the tokens and generate a ParseTree
         SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
         ParseTree parseTree = parser.program(); // parse the input
         // Log the ParseTree
-        RaupenLogger.logParser(parseTree, parser);
+        MiniCompilerLogger.logParser(parseTree, parser);
 
         /*------------------------- AST builder -> AST -------------------------*/
         // Use the ASTBuilder to visit the ParseTree and generate an Abstract Syntax Tree (AST)
         ASTBuilder astBuilder = new ASTBuilder();
         ASTNode abstractSyntaxTree = astBuilder.visit(parseTree);
         // Log the AST
-        RaupenLogger.logAST(abstractSyntaxTree);
+        MiniCompilerLogger.logAST(abstractSyntaxTree);
 
         /*------------------------- Semantic Analyzer -> typed AST -------------------------*/
         // Use the SemanticAnalyzer to generate a typed AST
         ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
         // Log the typed AST
-        RaupenLogger.logSemanticAnalyzer(typedAst);
+        MiniCompilerLogger.logSemanticAnalyzer(typedAst);
+
+        if(SemanticAnalyzer.errors.isEmpty()){
+            /*------------------------- Bytecode Generator -> Bytecode -------------------------*/
+            // Use the ByteCodeGenerator to generate bytecode from the typed AST and output it to the specified directory
+
+            final boolean genJar = Optional.ofNullable(System.getProperty("genJar")).map(String::toLowerCase).map(Boolean::parseBoolean).orElse(true);
+            final boolean genClass = Optional.ofNullable(System.getProperty("genClass")).map(String::toLowerCase).map(Boolean::parseBoolean).orElse(true);
+
+            ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath, genJar, genClass);
+            assert typedAst != null;
+            byteCodeGenerator.visit((ProgramNode) typedAst);
+            // Log the bytecode generation
+            MiniCompilerLogger.logBytecodeGenerator();
+        } else {
+            for(Exception exception : SemanticAnalyzer.errors){
+                exception.printStackTrace();
+            }
+        }
+
 
-        /*------------------------- 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;
-        byteCodeGenerator.visit((ProgramNode) typedAst);
-        // Log the bytecode generation
-        RaupenLogger.logBytecodeGenerator();
     }
 }

src/main/java/main/MiniCompilerLogger.java

@@ -29,11 +29,15 @@ import java.util.logging.*;
  * <code>consoleHandler.setLevel(Level.OFF);</code>
  * <code>fileHandler.setLevel(Level.ALL);</code>
  */
-public class RaupenLogger {
 
-    static Logger logger = Logger.getLogger("RaupenLogs");
 
-    public RaupenLogger() {
+
+
+public class MiniCompilerLogger {
+
+    static Logger logger = Logger.getLogger("miniCompilerLogs");
+
+    public MiniCompilerLogger() {
         // ------------------------- Logging -------------------------
         logger.setLevel(Level.ALL);
         logger.getParent().getHandlers()[0].setLevel(Level.ALL);
@@ -66,14 +70,16 @@ public class RaupenLogger {
             logger.addHandler(consoleHandler);
 
             // Configure file handler
-            Handler fileHandler = new FileHandler("src/main/resources/logs/RaupenLog.log");
+            Handler fileHandler = new FileHandler("src/main/resources/logs/miniCompiler.log");
             // Toggle file logging on/off
             fileHandler.setLevel(Level.ALL);
             fileHandler.setFormatter(new CustomFormatter());
             logger.addHandler(fileHandler);
 
-        } catch (SecurityException | IOException e) {
+        } catch (SecurityException e) {
             e.printStackTrace();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
         }
     }
 
@@ -102,7 +108,7 @@ public class RaupenLogger {
     public static void logAST(ASTNode abstractSyntaxTree) {
         // Printing the AST
         logger.info("-------------------- AST builder -> AST  --------------------");
-        // logger.info("AST: " + ast.toString());
+        logger.info("Abstract Syntax Tree generated, Startnode:");
         logAST(abstractSyntaxTree, 0);
         logger.info("\n");
     }
@@ -110,14 +116,15 @@ public class RaupenLogger {
     public static void logSemanticAnalyzer(ASTNode typedAst) {
         // Printing the typed AST
         logger.info("-------------------- Semantic Analyzer -> typed AST  --------------------");
-        logAST(typedAst, 0);
+        // logAST(typedAst, 0);
+        logger.info("Typed Abstract Syntax Tree generated without errors");
         logger.info("\n");
     }
 
     public static void logBytecodeGenerator() {
         // Printing the bytecode
         logger.info("-------------------- Bytecode Generator -> Bytecode  --------------------");
-        logger.info("Bytecode generated");
+        logger.info("Bytecode generated without errors");
         logger.info("\n");
     }
 
@@ -164,7 +171,6 @@ public class RaupenLogger {
         }
     }
 
-    // TODO: Fix this method
     public static void logAST(ASTNode abstractSyntaxTree, int indent) {
         if (abstractSyntaxTree == null) {
             logger.severe("AST is null !!!");
@@ -172,9 +178,9 @@ public class RaupenLogger {
         }
         String indentString = " ".repeat(indent * 2);
         logger.info(indentString + abstractSyntaxTree.getClass());
-        //for (ASTNode child : abstractSyntaxTree.getChildren()) {
+        // for (ASTNode child : abstractSyntaxTree.getChildren()) {
         //    logAST(child, indent + 1);
-       // }
+        // }
 
     }
 }

src/main/java/parser/generated/SimpleJava.tokens

@@ -35,19 +35,24 @@ Comma=34
 Class=35
 This=36
 While=37
-If=38
-Else=39
-For=40
-Return=41
-New=42
-CharValue=43
-IntValue=44
-BooleanValue=45
-NullValue=46
-Identifier=47
-WS=48
-InlineComment=49
-MultilineComment=50
+Do=38
+If=39
+Else=40
+For=41
+Return=42
+New=43
+Switch=44
+Case=45
+Default=46
+Colon=47
+CharValue=48
+IntValue=49
+BooleanValue=50
+NullValue=51
+Identifier=52
+WS=53
+InlineComment=54
+MultilineComment=55
 '++'=1
 '--'=2
 'void'=3
@@ -80,9 +85,14 @@ MultilineComment=50
 'class'=35
 'this'=36
 'while'=37
-'if'=38
-'else'=39
-'for'=40
-'return'=41
-'new'=42
-'null'=46
+'do'=38
+'if'=39
+'else'=40
+'for'=41
+'return'=42
+'new'=43
+'switch'=44
+'case'=45
+'default'=46
+':'=47
+'null'=51

src/main/java/parser/generated/SimpleJavaBaseListener.java

@@ -137,13 +137,13 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void enterBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void exitBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -180,6 +180,18 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -216,6 +228,18 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -228,6 +252,42 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitElseStatement(SimpleJavaParser.ElseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterCaseStatement(SimpleJavaParser.CaseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitCaseStatement(SimpleJavaParser.CaseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *

src/main/java/parser/generated/SimpleJavaBaseVisitor.java

@@ -88,7 +88,7 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitBlock(SimpleJavaParser.BlockContext ctx) { return visitChildren(ctx); }
+	@Override public T visitBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -110,6 +110,13 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -131,6 +138,13 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitIfStatement(SimpleJavaParser.IfStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -138,6 +152,27 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitElseStatement(SimpleJavaParser.ElseStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCaseStatement(SimpleJavaParser.CaseStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *

src/main/java/parser/generated/SimpleJavaLexer.java

@@ -23,9 +23,9 @@ public class SimpleJavaLexer extends Lexer {
 		Less=20, GreaterEqual=21, LessEqual=22, Equal=23, NotEqual=24, Not=25, 
 		And=26, Or=27, Dot=28, OpenRoundBracket=29, ClosedRoundBracket=30, OpenCurlyBracket=31, 
 		ClosedCurlyBracket=32, Semicolon=33, Comma=34, Class=35, This=36, While=37, 
-		If=38, Else=39, For=40, Return=41, New=42, CharValue=43, IntValue=44, 
-		BooleanValue=45, NullValue=46, Identifier=47, WS=48, InlineComment=49, 
-		MultilineComment=50;
+		Do=38, If=39, Else=40, For=41, Return=42, New=43, Switch=44, Case=45, 
+		Default=46, Colon=47, CharValue=48, IntValue=49, BooleanValue=50, NullValue=51, 
+		Identifier=52, WS=53, InlineComment=54, MultilineComment=55;
 	public static String[] channelNames = {
 		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
 	};
@@ -42,9 +42,10 @@ public class SimpleJavaLexer extends Lexer {
 			"GreaterEqual", "LessEqual", "Equal", "NotEqual", "Not", "And", "Or", 
 			"Dot", "OpenRoundBracket", "ClosedRoundBracket", "OpenCurlyBracket", 
 			"ClosedCurlyBracket", "Semicolon", "Comma", "Class", "This", "While", 
-			"If", "Else", "For", "Return", "New", "CharValue", "IntValue", "BooleanValue", 
-			"NullValue", "Alphabetic", "Numeric", "ValidIdentSymbols", "Identifier", 
-			"WS", "InlineComment", "MultilineComment"
+			"Do", "If", "Else", "For", "Return", "New", "Switch", "Case", "Default", 
+			"Colon", "CharValue", "IntValue", "BooleanValue", "NullValue", "Alphabetic", 
+			"Numeric", "ValidIdentSymbols", "Identifier", "WS", "InlineComment", 
+			"MultilineComment"
 		};
 	}
 	public static final String[] ruleNames = makeRuleNames();
@@ -55,8 +56,9 @@ public class SimpleJavaLexer extends Lexer {
 			"'public static void main(String[] args)'", null, null, null, null, "'='", 
 			"'+'", "'-'", "'*'", "'%'", "'/'", "'>'", "'<'", "'>='", "'<='", "'=='", 
 			"'!='", "'!'", "'&&'", "'||'", "'.'", "'('", "')'", "'{'", "'}'", "';'", 
-			"','", "'class'", "'this'", "'while'", "'if'", "'else'", "'for'", "'return'", 
-			"'new'", null, null, null, "'null'"
+			"','", "'class'", "'this'", "'while'", "'do'", "'if'", "'else'", "'for'", 
+			"'return'", "'new'", "'switch'", "'case'", "'default'", "':'", null, 
+			null, null, "'null'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
@@ -68,8 +70,9 @@ public class SimpleJavaLexer extends Lexer {
 			"Greater", "Less", "GreaterEqual", "LessEqual", "Equal", "NotEqual", 
 			"Not", "And", "Or", "Dot", "OpenRoundBracket", "ClosedRoundBracket", 
 			"OpenCurlyBracket", "ClosedCurlyBracket", "Semicolon", "Comma", "Class", 
-			"This", "While", "If", "Else", "For", "Return", "New", "CharValue", "IntValue", 
-			"BooleanValue", "NullValue", "Identifier", "WS", "InlineComment", "MultilineComment"
+			"This", "While", "Do", "If", "Else", "For", "Return", "New", "Switch", 
+			"Case", "Default", "Colon", "CharValue", "IntValue", "BooleanValue", 
+			"NullValue", "Identifier", "WS", "InlineComment", "MultilineComment"
 		};
 	}
 	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
@@ -131,7 +134,7 @@ public class SimpleJavaLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\u0004\u00002\u0198\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0004\u00007\u01bb\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
 		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
 		"\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
 		"\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b"+
@@ -145,7 +148,8 @@ public class SimpleJavaLexer extends Lexer {
 		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
 		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
 		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
-		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0001\u0000"+
+		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u00025\u0007"+
+		"5\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0001\u0000"+
 		"\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0002"+
 		"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003"+
 		"\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
@@ -157,16 +161,16 @@ public class SimpleJavaLexer extends Lexer {
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
-		"\u0001\u0006\u0003\u0006\u00b0\b\u0006\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0006\u0003\u0006\u00ba\b\u0006\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
-		"\u0001\b\u0001\b\u0001\b\u0003\b\u00dc\b\b\u0001\t\u0001\t\u0003\t\u00e0"+
-		"\b\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0003\n\u00e8\b\n"+
-		"\u0001\u000b\u0001\u000b\u0003\u000b\u00ec\b\u000b\u0001\f\u0001\f\u0001"+
+		"\u0001\b\u0001\b\u0001\b\u0003\b\u00e6\b\b\u0001\t\u0001\t\u0003\t\u00ea"+
+		"\b\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0003\n\u00f2\b\n"+
+		"\u0001\u000b\u0001\u000b\u0003\u000b\u00f6\b\u000b\u0001\f\u0001\f\u0001"+
 		"\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u0010"+
 		"\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001\u0013"+
 		"\u0001\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015"+
@@ -177,212 +181,231 @@ public class SimpleJavaLexer extends Lexer {
 		"\u0001\u001f\u0001 \u0001 \u0001!\u0001!\u0001\"\u0001\"\u0001\"\u0001"+
 		"\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001"+
 		"$\u0001$\u0001$\u0001$\u0001%\u0001%\u0001%\u0001&\u0001&\u0001&\u0001"+
-		"&\u0001&\u0001\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001"+
-		"(\u0001(\u0001(\u0001)\u0001)\u0001)\u0001)\u0001*\u0001*\u0005*\u014a"+
-		"\b*\n*\f*\u014d\t*\u0001*\u0001*\u0001+\u0003+\u0152\b+\u0001+\u0004+"+
-		"\u0155\b+\u000b+\f+\u0156\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
-		",\u0001,\u0001,\u0003,\u0162\b,\u0001-\u0001-\u0001-\u0001-\u0001-\u0001"+
-		".\u0001.\u0001/\u0001/\u00010\u00010\u00010\u00030\u0170\b0\u00011\u0001"+
-		"1\u00051\u0174\b1\n1\f1\u0177\t1\u00012\u00042\u017a\b2\u000b2\f2\u017b"+
-		"\u00012\u00012\u00013\u00013\u00013\u00013\u00053\u0184\b3\n3\f3\u0187"+
-		"\t3\u00013\u00013\u00014\u00014\u00014\u00014\u00054\u018f\b4\n4\f4\u0192"+
-		"\t4\u00014\u00014\u00014\u00014\u00014\u0001\u0190\u00005\u0001\u0001"+
-		"\u0003\u0002\u0005\u0003\u0007\u0004\t\u0005\u000b\u0006\r\u0007\u000f"+
-		"\b\u0011\t\u0013\n\u0015\u000b\u0017\f\u0019\r\u001b\u000e\u001d\u000f"+
-		"\u001f\u0010!\u0011#\u0012%\u0013\'\u0014)\u0015+\u0016-\u0017/\u0018"+
-		"1\u00193\u001a5\u001b7\u001c9\u001d;\u001e=\u001f? A!C\"E#G$I%K&M\'O("+
-		"Q)S*U+W,Y-[.]\u0000_\u0000a\u0000c/e0g1i2\u0001\u0000\u0005\u0002\u0000"+
-		"\n\n\r\r\u0002\u0000AZaz\u0001\u000009\u0002\u0000$$__\u0003\u0000\t\n"+
-		"\r\r  \u01aa\u0000\u0001\u0001\u0000\u0000\u0000\u0000\u0003\u0001\u0000"+
-		"\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000\u0000\u0007\u0001\u0000"+
-		"\u0000\u0000\u0000\t\u0001\u0000\u0000\u0000\u0000\u000b\u0001\u0000\u0000"+
-		"\u0000\u0000\r\u0001\u0000\u0000\u0000\u0000\u000f\u0001\u0000\u0000\u0000"+
-		"\u0000\u0011\u0001\u0000\u0000\u0000\u0000\u0013\u0001\u0000\u0000\u0000"+
-		"\u0000\u0015\u0001\u0000\u0000\u0000\u0000\u0017\u0001\u0000\u0000\u0000"+
-		"\u0000\u0019\u0001\u0000\u0000\u0000\u0000\u001b\u0001\u0000\u0000\u0000"+
-		"\u0000\u001d\u0001\u0000\u0000\u0000\u0000\u001f\u0001\u0000\u0000\u0000"+
-		"\u0000!\u0001\u0000\u0000\u0000\u0000#\u0001\u0000\u0000\u0000\u0000%"+
-		"\u0001\u0000\u0000\u0000\u0000\'\u0001\u0000\u0000\u0000\u0000)\u0001"+
-		"\u0000\u0000\u0000\u0000+\u0001\u0000\u0000\u0000\u0000-\u0001\u0000\u0000"+
-		"\u0000\u0000/\u0001\u0000\u0000\u0000\u00001\u0001\u0000\u0000\u0000\u0000"+
-		"3\u0001\u0000\u0000\u0000\u00005\u0001\u0000\u0000\u0000\u00007\u0001"+
-		"\u0000\u0000\u0000\u00009\u0001\u0000\u0000\u0000\u0000;\u0001\u0000\u0000"+
-		"\u0000\u0000=\u0001\u0000\u0000\u0000\u0000?\u0001\u0000\u0000\u0000\u0000"+
-		"A\u0001\u0000\u0000\u0000\u0000C\u0001\u0000\u0000\u0000\u0000E\u0001"+
-		"\u0000\u0000\u0000\u0000G\u0001\u0000\u0000\u0000\u0000I\u0001\u0000\u0000"+
-		"\u0000\u0000K\u0001\u0000\u0000\u0000\u0000M\u0001\u0000\u0000\u0000\u0000"+
-		"O\u0001\u0000\u0000\u0000\u0000Q\u0001\u0000\u0000\u0000\u0000S\u0001"+
-		"\u0000\u0000\u0000\u0000U\u0001\u0000\u0000\u0000\u0000W\u0001\u0000\u0000"+
-		"\u0000\u0000Y\u0001\u0000\u0000\u0000\u0000[\u0001\u0000\u0000\u0000\u0000"+
-		"c\u0001\u0000\u0000\u0000\u0000e\u0001\u0000\u0000\u0000\u0000g\u0001"+
-		"\u0000\u0000\u0000\u0000i\u0001\u0000\u0000\u0000\u0001k\u0001\u0000\u0000"+
-		"\u0000\u0003n\u0001\u0000\u0000\u0000\u0005q\u0001\u0000\u0000\u0000\u0007"+
-		"v\u0001\u0000\u0000\u0000\t~\u0001\u0000\u0000\u0000\u000b\u0083\u0001"+
-		"\u0000\u0000\u0000\r\u00af\u0001\u0000\u0000\u0000\u000f\u00b1\u0001\u0000"+
-		"\u0000\u0000\u0011\u00db\u0001\u0000\u0000\u0000\u0013\u00df\u0001\u0000"+
-		"\u0000\u0000\u0015\u00e7\u0001\u0000\u0000\u0000\u0017\u00eb\u0001\u0000"+
-		"\u0000\u0000\u0019\u00ed\u0001\u0000\u0000\u0000\u001b\u00ef\u0001\u0000"+
-		"\u0000\u0000\u001d\u00f1\u0001\u0000\u0000\u0000\u001f\u00f3\u0001\u0000"+
-		"\u0000\u0000!\u00f5\u0001\u0000\u0000\u0000#\u00f7\u0001\u0000\u0000\u0000"+
-		"%\u00f9\u0001\u0000\u0000\u0000\'\u00fb\u0001\u0000\u0000\u0000)\u00fd"+
-		"\u0001\u0000\u0000\u0000+\u0100\u0001\u0000\u0000\u0000-\u0103\u0001\u0000"+
-		"\u0000\u0000/\u0106\u0001\u0000\u0000\u00001\u0109\u0001\u0000\u0000\u0000"+
-		"3\u010b\u0001\u0000\u0000\u00005\u010e\u0001\u0000\u0000\u00007\u0111"+
-		"\u0001\u0000\u0000\u00009\u0113\u0001\u0000\u0000\u0000;\u0115\u0001\u0000"+
-		"\u0000\u0000=\u0117\u0001\u0000\u0000\u0000?\u0119\u0001\u0000\u0000\u0000"+
-		"A\u011b\u0001\u0000\u0000\u0000C\u011d\u0001\u0000\u0000\u0000E\u011f"+
-		"\u0001\u0000\u0000\u0000G\u0125\u0001\u0000\u0000\u0000I\u012a\u0001\u0000"+
-		"\u0000\u0000K\u0130\u0001\u0000\u0000\u0000M\u0133\u0001\u0000\u0000\u0000"+
-		"O\u0138\u0001\u0000\u0000\u0000Q\u013c\u0001\u0000\u0000\u0000S\u0143"+
-		"\u0001\u0000\u0000\u0000U\u0147\u0001\u0000\u0000\u0000W\u0151\u0001\u0000"+
-		"\u0000\u0000Y\u0161\u0001\u0000\u0000\u0000[\u0163\u0001\u0000\u0000\u0000"+
-		"]\u0168\u0001\u0000\u0000\u0000_\u016a\u0001\u0000\u0000\u0000a\u016f"+
-		"\u0001\u0000\u0000\u0000c\u0171\u0001\u0000\u0000\u0000e\u0179\u0001\u0000"+
-		"\u0000\u0000g\u017f\u0001\u0000\u0000\u0000i\u018a\u0001\u0000\u0000\u0000"+
-		"kl\u0005+\u0000\u0000lm\u0005+\u0000\u0000m\u0002\u0001\u0000\u0000\u0000"+
-		"no\u0005-\u0000\u0000op\u0005-\u0000\u0000p\u0004\u0001\u0000\u0000\u0000"+
-		"qr\u0005v\u0000\u0000rs\u0005o\u0000\u0000st\u0005i\u0000\u0000tu\u0005"+
-		"d\u0000\u0000u\u0006\u0001\u0000\u0000\u0000vw\u0005b\u0000\u0000wx\u0005"+
-		"o\u0000\u0000xy\u0005o\u0000\u0000yz\u0005l\u0000\u0000z{\u0005e\u0000"+
-		"\u0000{|\u0005a\u0000\u0000|}\u0005n\u0000\u0000}\b\u0001\u0000\u0000"+
-		"\u0000~\u007f\u0005c\u0000\u0000\u007f\u0080\u0005h\u0000\u0000\u0080"+
-		"\u0081\u0005a\u0000\u0000\u0081\u0082\u0005r\u0000\u0000\u0082\n\u0001"+
-		"\u0000\u0000\u0000\u0083\u0084\u0005i\u0000\u0000\u0084\u0085\u0005n\u0000"+
-		"\u0000\u0085\u0086\u0005t\u0000\u0000\u0086\f\u0001\u0000\u0000\u0000"+
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-		"\u0000";
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+		"\u0000\u0000\u0000\u019d\u019e\u0001\u0000\u0000\u0000\u019e\u019c\u0001"+
+		"\u0000\u0000\u0000\u019e\u019f\u0001\u0000\u0000\u0000\u019f\u01a0\u0001"+
+		"\u0000\u0000\u0000\u01a0\u01a1\u00067\u0000\u0000\u01a1p\u0001\u0000\u0000"+
+		"\u0000\u01a2\u01a3\u0005/\u0000\u0000\u01a3\u01a4\u0005/\u0000\u0000\u01a4"+
+		"\u01a8\u0001\u0000\u0000\u0000\u01a5\u01a7\b\u0000\u0000\u0000\u01a6\u01a5"+
+		"\u0001\u0000\u0000\u0000\u01a7\u01aa\u0001\u0000\u0000\u0000\u01a8\u01a6"+
+		"\u0001\u0000\u0000\u0000\u01a8\u01a9\u0001\u0000\u0000\u0000\u01a9\u01ab"+
+		"\u0001\u0000\u0000\u0000\u01aa\u01a8\u0001\u0000\u0000\u0000\u01ab\u01ac"+
+		"\u00068\u0000\u0000\u01acr\u0001\u0000\u0000\u0000\u01ad\u01ae\u0005/"+
+		"\u0000\u0000\u01ae\u01af\u0005*\u0000\u0000\u01af\u01b3\u0001\u0000\u0000"+
+		"\u0000\u01b0\u01b2\t\u0000\u0000\u0000\u01b1\u01b0\u0001\u0000\u0000\u0000"+
+		"\u01b2\u01b5\u0001\u0000\u0000\u0000\u01b3\u01b4\u0001\u0000\u0000\u0000"+
+		"\u01b3\u01b1\u0001\u0000\u0000\u0000\u01b4\u01b6\u0001\u0000\u0000\u0000"+
+		"\u01b5\u01b3\u0001\u0000\u0000\u0000\u01b6\u01b7\u0005*\u0000\u0000\u01b7"+
+		"\u01b8\u0005/\u0000\u0000\u01b8\u01b9\u0001\u0000\u0000\u0000\u01b9\u01ba"+
+		"\u00069\u0000\u0000\u01bat\u0001\u0000\u0000\u0000\u000f\u0000\u00b9\u00e5"+
+		"\u00e9\u00f1\u00f5\u016e\u0174\u0179\u0184\u0192\u0198\u019e\u01a8\u01b3"+
+		"\u0001\u0006\u0000\u0000";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

src/main/java/parser/generated/SimpleJavaLexer.tokens

@@ -35,19 +35,24 @@ Comma=34
 Class=35
 This=36
 While=37
-If=38
-Else=39
-For=40
-Return=41
-New=42
-CharValue=43
-IntValue=44
-BooleanValue=45
-NullValue=46
-Identifier=47
-WS=48
-InlineComment=49
-MultilineComment=50
+Do=38
+If=39
+Else=40
+For=41
+Return=42
+New=43
+Switch=44
+Case=45
+Default=46
+Colon=47
+CharValue=48
+IntValue=49
+BooleanValue=50
+NullValue=51
+Identifier=52
+WS=53
+InlineComment=54
+MultilineComment=55
 '++'=1
 '--'=2
 'void'=3
@@ -80,9 +85,14 @@ MultilineComment=50
 'class'=35
 'this'=36
 'while'=37
-'if'=38
-'else'=39
-'for'=40
-'return'=41
-'new'=42
-'null'=46
+'do'=38
+'if'=39
+'else'=40
+'for'=41
+'return'=42
+'new'=43
+'switch'=44
+'case'=45
+'default'=46
+':'=47
+'null'=51

src/main/java/parser/generated/SimpleJavaListener.java

@@ -108,15 +108,15 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 */
-	void enterBlock(SimpleJavaParser.BlockContext ctx);
+	void enterBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 */
-	void exitBlock(SimpleJavaParser.BlockContext ctx);
+	void exitBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -147,6 +147,16 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#forStatement}.
 	 * @param ctx the parse tree
@@ -177,6 +187,16 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#elseStatement}.
 	 * @param ctx the parse tree
@@ -187,6 +207,36 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitElseStatement(SimpleJavaParser.ElseStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#switchStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#switchStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#caseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterCaseStatement(SimpleJavaParser.CaseStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#caseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitCaseStatement(SimpleJavaParser.CaseStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#defaultStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#defaultStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#statementExpression}.
 	 * @param ctx the parse tree

src/main/java/parser/generated/SimpleJavaVisitor.java

@@ -71,11 +71,11 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitBlock(SimpleJavaParser.BlockContext ctx);
+	T visitBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -94,6 +94,12 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#forStatement}.
 	 * @param ctx the parse tree
@@ -112,12 +118,36 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#elseStatement}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
 	T visitElseStatement(SimpleJavaParser.ElseStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#switchStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#caseStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCaseStatement(SimpleJavaParser.CaseStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#defaultStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDefaultStatement(SimpleJavaParser.DefaultStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#statementExpression}.
 	 * @param ctx the parse tree

src/main/java/parser/grammar/SimpleJava.g4

@@ -1,46 +1,54 @@
 grammar SimpleJava;
 
 // Programm-Konstrukte
-program: classDeclaration+;
+program: classDeclaration+; // Ein Programm besteht aus einer oder mehreren Klassendeklarationen
 
-classDeclaration: AccessModifier? 'class' Identifier OpenCurlyBracket memberDeclaration* ClosedCurlyBracket;
-memberDeclaration: constructorDeclaration | fieldDeclaration | methodDeclaration;
+classDeclaration: AccessModifier? 'class' Identifier OpenCurlyBracket memberDeclaration* ClosedCurlyBracket; // Deklariert eine Klasse mit optionalem Zugriffsmodifikator und mehreren Mitgliedern
+memberDeclaration: constructorDeclaration | fieldDeclaration | methodDeclaration; // Ein Mitglied kann ein Konstruktor, ein Feld oder eine Methode sein
 
-constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
-fieldDeclaration: AccessModifier? type Identifier Semicolon;
-methodDeclaration: MainMethodDeclaration block | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
+constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement; // Deklariert einen Konstruktor
+fieldDeclaration: AccessModifier? type Identifier (Assign expression)? Semicolon; // Deklariert ein Feld mit optionaler Initialisierung
+methodDeclaration: MainMethodDeclaration blockStatement | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement; // Deklariert eine Methode
 
-parameterList: parameter (Comma parameter)*;
-parameter: type Identifier;
-argumentList: (expression (Comma expression)*)?;
+parameterList: parameter (Comma parameter)*; // Parameterliste für Methoden und Konstruktoren
+parameter: type Identifier; // Ein einzelner Parameter mit Typ und Bezeichner
+argumentList: (expression (Comma expression)*)?; // Argumentliste für Methodenaufrufe
 
 // Anweisungen
 statement: returnStatement Semicolon
          | localVariableDeclaration Semicolon
-         | block
+         | blockStatement
          | whileStatement
+         | doWhileStatement
          | forStatement
          | ifElseStatement
-         | statementExpression Semicolon;
+         | switchStatement
+         | statementExpression Semicolon; // Verschiedene Arten von Anweisungen
 
-block: OpenCurlyBracket statement* ClosedCurlyBracket;
+blockStatement: OpenCurlyBracket statement* ClosedCurlyBracket; // Ein Block von Anweisungen
 
-returnStatement: Return (expression)?;
-localVariableDeclaration: type Identifier (Assign expression)?;
+returnStatement: Return (expression)?; // Rückgabe-Anweisung
+localVariableDeclaration: type Identifier (Assign expression)?; // Deklaration einer lokalen Variable
 
-whileStatement: While OpenRoundBracket expression ClosedRoundBracket block;
-forStatement: For OpenRoundBracket (statementExpression | localVariableDeclaration) Semicolon (expression)? Semicolon (statementExpression)? ClosedRoundBracket block;
+whileStatement: While OpenRoundBracket expression ClosedRoundBracket blockStatement; // While-Schleife
+doWhileStatement: Do blockStatement While OpenRoundBracket expression ClosedRoundBracket Semicolon; // Do-While-Schleife
+forStatement: For OpenRoundBracket (statementExpression | localVariableDeclaration) Semicolon (expression)? Semicolon (statementExpression)? ClosedRoundBracket blockStatement; // For-Schleife
 
-ifElseStatement: ifStatement elseStatement*;
-ifStatement: If OpenRoundBracket expression ClosedRoundBracket block;
-elseStatement: Else block;
+ifElseStatement: ifStatement elseIfStatement* elseStatement?; // If-Else-Bedingung
+ifStatement: If OpenRoundBracket expression ClosedRoundBracket blockStatement; // If-Teil der Bedingung
+elseIfStatement: Else If OpenRoundBracket expression ClosedRoundBracket blockStatement; // Else-If-Teil der Bedingung
+elseStatement: Else blockStatement; // Else-Teil der Bedingung
 
-statementExpression: assign | newDeclaration | methodCall | crementExpression;
-assign: assignableExpression Assign expression;
-newDeclaration: New Identifier OpenRoundBracket argumentList ClosedRoundBracket;
+switchStatement: Switch OpenRoundBracket expression ClosedRoundBracket OpenCurlyBracket caseStatement+ defaultStatement? ClosedCurlyBracket; // Switch-Anweisung
+caseStatement: Case value Colon statement*; // Ein Case-Teil einer Switch-Anweisung
+defaultStatement: Default Colon statement*; // Default-Teil einer Switch-Anweisung
+
+statementExpression: assign | newDeclaration | methodCall | crementExpression; // Ausdruck innerhalb einer Anweisung
+assign: assignableExpression Assign expression; // Zuweisung
+newDeclaration: New Identifier OpenRoundBracket argumentList ClosedRoundBracket; // Instanziierung eines neuen Objekts
 
 // Ausdrücke
-expression: unaryExpression | binaryExpression;
+expression: unaryExpression | binaryExpression; // Ein Ausdruck kann unär oder binär sein
 
 unaryExpression: This
                | Identifier
@@ -48,121 +56,126 @@ unaryExpression: This
                | value
                | notExpression
                | statementExpression
-               | OpenRoundBracket expression ClosedRoundBracket;
+               | OpenRoundBracket expression ClosedRoundBracket; // Unäre Ausdrücke
 
-notExpression: Not expression;
+notExpression: Not expression; // Nicht-Ausdruck
 
-crementExpression: incrementExpression | decrementExpression;
+crementExpression: incrementExpression | decrementExpression; // Inkrement-/Dekrement-Ausdrücke
 
 incrementExpression: prefixIncrementExpression | suffixIncrementExpression;
-prefixIncrementExpression: '++' assignableExpression;
-suffixIncrementExpression: assignableExpression '++';
+prefixIncrementExpression: '++' assignableExpression; // Präfix-Inkrement
+suffixIncrementExpression: assignableExpression '++'; // Suffix-Inkrement
 
-decrementExpression: prefixDecrementExpression | suffixDecrementExpression;
-prefixDecrementExpression: '--' assignableExpression;
-suffixDecrementExpression: assignableExpression '--';
+decrementExpression: prefixDecrementExpression | suffixDecrementExpression; // Dekrement-Ausdrücke
+prefixDecrementExpression: '--' assignableExpression; // Präfix-Dekrement
+suffixDecrementExpression: assignableExpression '--'; // Suffix-Dekrement
 
-assignableExpression: Identifier | memberAccess;
+assignableExpression: Identifier | memberAccess; // Zuweisbarer Ausdruck
 
 memberAccess: This Dot Identifier
-            | (This Dot)? (Identifier Dot)+ Identifier;
+            | (This Dot)? (Identifier Dot)+ Identifier; // Mitgliedszugriff
 
-binaryExpression: calculationExpression | nonCalculationExpression;
+binaryExpression: calculationExpression | nonCalculationExpression; // Binäre Ausdrücke
 
 calculationExpression: calculationExpression LineOperator dotExpression
-                     | dotExpression;
+                     | dotExpression; // Berechnungsausdrücke
 
 dotExpression: dotExpression DotOperator dotSubtractionExpression
-              | dotSubtractionExpression;
+              | dotSubtractionExpression; // Punktoperationen
 
 dotSubtractionExpression: IntValue
                         | Identifier
                         | memberAccess
-                        | methodCall OpenRoundBracket calculationExpression ClosedRoundBracket;
+                        | methodCall OpenRoundBracket calculationExpression ClosedRoundBracket; // Punkt-Subtraktionsausdrücke
 
-nonCalculationExpression: unaryExpression nonCalculationOperator expression;
+nonCalculationExpression: unaryExpression nonCalculationOperator expression; // Nicht-Berechnungsausdrücke
 
 // Methodenaufrufe
-methodCall: target? chainedMethod* Identifier OpenRoundBracket argumentList ClosedRoundBracket;
-target: (This | memberAccess | newDeclaration | Identifier) Dot;
-chainedMethod: Identifier OpenRoundBracket argumentList ClosedRoundBracket Dot;
+methodCall: target? chainedMethod* Identifier OpenRoundBracket argumentList ClosedRoundBracket; // Methodenaufruf
+target: (This | memberAccess | newDeclaration | Identifier) Dot; // Ziel eines Methodenaufrufs
+chainedMethod: Identifier OpenRoundBracket argumentList ClosedRoundBracket Dot; // Verkettete Methode
 
 // Typen
 type: Int
     | Boolean
     | Char
-    | Identifier;
+    | Identifier; // Datentypen
 
-Void: 'void';
-Boolean: 'boolean';
-Char: 'char';
-Int: 'int';
+Void: 'void'; // Void-Typ
+Boolean: 'boolean'; // Boolean-Typ
+Char: 'char'; // Char-Typ
+Int: 'int'; // Integer-Typ
 
 value: IntValue
      | BooleanValue
      | CharValue
-     | NullValue;
+     | NullValue; // Werte
 
 // Zugriffsmodifikatoren
-AccessModifier: 'public' | 'private' | 'public static' | 'private static';
-MainMethodDeclaration: 'public static void main(String[] args)';
+AccessModifier: 'public' | 'private' | 'public static' | 'private static'; // Zugriffsmodifikatoren
+MainMethodDeclaration: 'public static void main(String[] args)'; // Hauptmethoden-Deklaration
 
 // Operatoren
-nonCalculationOperator: LogicalOperator | ComparisonOperator;
+nonCalculationOperator: LogicalOperator | ComparisonOperator; // Nicht-Berechnungsoperatoren
 
-DotOperator: Mult | Div | Modulo;
-LineOperator: Plus | Minus;
-ComparisonOperator: Greater | Less | GreaterEqual | LessEqual | Equal | NotEqual;
-LogicalOperator: And | Or;
+DotOperator: Mult | Div | Modulo; // Punktoperatoren
+LineOperator: Plus | Minus; // Linienoperatoren
+ComparisonOperator: Greater | Less | GreaterEqual | LessEqual | Equal | NotEqual; // Vergleichsoperatoren
+LogicalOperator: And | Or; // Logische Operatoren
 
-Assign: '=';
-Plus: '+';
-Minus: '-';
-Mult: '*';
-Modulo: '%';
-Div: '/';
-Greater: '>';
-Less: '<';
-GreaterEqual: '>=';
-LessEqual: '<=';
-Equal: '==';
-NotEqual: '!=';
-Not: '!';
-And: '&&';
-Or: '||';
+Assign: '='; // Zuweisungsoperator
+Plus: '+'; // Plus-Operator
+Minus: '-'; // Minus-Operator
+Mult: '*'; // Multiplikationsoperator
+Modulo: '%'; // Modulo-Operator
+Div: '/'; // Divisionsoperator
+Greater: '>'; // Größer-Operator
+Less: '<'; // Kleiner-Operator
+GreaterEqual: '>='; // Größer-Gleich-Operator
+LessEqual: '<='; // Kleiner-Gleich-Operator
+Equal: '=='; // Gleichheitsoperator
+NotEqual: '!='; // Ungleichheitsoperator
+Not: '!'; // Nicht-Operator
+And: '&&'; // Und-Operator
+Or: '||'; // Oder-Operator
 
 // Symbole
-Dot: '.';
-OpenRoundBracket: '(';
-ClosedRoundBracket: ')';
-OpenCurlyBracket: '{';
-ClosedCurlyBracket: '}';
-Semicolon: ';';
-Comma: ',';
+Dot: '.'; // Punkt-Symbol
+OpenRoundBracket: '('; // Öffnende runde Klammer
+ClosedRoundBracket: ')'; // Schließende runde Klammer
+OpenCurlyBracket: '{'; // Öffnende geschweifte Klammer
+ClosedCurlyBracket: '}'; // Schließende geschweifte Klammer
+Semicolon: ';'; // Semikolon
+Comma: ','; // Komma
 
 // Schlüsselwörter
 Class: 'class';
 This: 'this';
 While: 'while';
+Do: 'do';
 If: 'if';
 Else: 'else';
 For: 'for';
 Return: 'return';
 New: 'new';
+Switch: 'switch';
+Case: 'case';
+Default: 'default';
+Colon: ':'; // Doppelpunkt
 
 // Werte
-CharValue: '\'' ~[\r\n]* '\'';
-IntValue: Minus? Numeric+;
-BooleanValue: 'true' | 'false';
-NullValue: 'null';
+CharValue: '\'' ~[\r\n]* '\''; // Zeichenwert
+IntValue: Minus? Numeric+; // Ganzzahlwert
+BooleanValue: 'true' | 'false'; // Boolean-Wert
+NullValue: 'null'; // Null-Wert
 
 // Bezeichner
 fragment Alphabetic: [a-zA-Z];
 fragment Numeric: [0-9];
 fragment ValidIdentSymbols: Alphabetic | Numeric | '$' | '_';
-Identifier: Alphabetic ValidIdentSymbols*;
+Identifier: Alphabetic ValidIdentSymbols*; // Bezeichner
 
 // Whitespaces und Kommentare ignorieren
-WS: [ \t\r\n]+ -> skip;
-InlineComment: '//' ~[\r\n]* -> skip;
-MultilineComment: '/*' .*? '*/' -> skip;
+WS: [ \t\r\n]+ -> skip; // Leerzeichen ignorieren
+InlineComment: '//' ~[\r\n]* -> skip; // Einzeilige Kommentare ignorieren
+MultilineComment: '/*' .*? '*/' -> skip; // Mehrzeilige Kommentare ignorieren