Revert "Merge remote-tracking branch 'origin/Endabgabe' into code-generator"

This reverts commit 721e1caa79, reversing
changes made to 6d3e1f859e.

pom.xml

@@ -23,6 +23,24 @@
             <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>
             <groupId>org.antlr</groupId>
             <artifactId>antlr4-runtime</artifactId>
@@ -44,18 +62,6 @@
             <version>3.26.0</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>org.mockito</groupId>
-            <artifactId>mockito-core</artifactId>
-            <version>5.11.0</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -65,6 +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>

readme.md

@@ -0,0 +1,68 @@
+# "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 Suttgart (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`;
+    - `switch` ... `case` ... ;
+- **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/                 -> MainTest, E2ETests, UtilityTests
+│   ├── 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)
+
+## 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
+
+## Download
+
+```bash

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

@@ -9,7 +9,6 @@ public class CalculationNode extends BinaryNode {
     public CalculationNode calculationExpression;
     public EnumLineOperator operator;
     public DotNode dotExpression;
-    private ITypeNode typeNode;
 
     public CalculationNode(CalculationNode calculationExpression, String operator, DotNode dotExpression) {
         this.calculationExpression = calculationExpression;
@@ -22,10 +21,12 @@ public class CalculationNode extends BinaryNode {
     }
 
     private void setOperator(String operator) {
-        if(operator.equals("+")) {
-            this.operator = EnumLineOperator.PLUS;
-        } else if(operator.equals("-")) {
-            this.operator = EnumLineOperator.MINUS;
+        if(operator != null) {
+            if(operator.equals("+")) {
+                this.operator = EnumLineOperator.PLUS;
+            } else if(operator.equals("-")) {
+                this.operator = EnumLineOperator.MINUS;
+            }
         }
     }
 
@@ -40,4 +41,4 @@ public class CalculationNode extends BinaryNode {
         methodVisitor.visit(this);
     }
 
-}
+}

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

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

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

@@ -7,7 +7,7 @@ import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
-public class DecrementNode implements IStatementExpressionNode {
+public class DecrementNode implements IStatementExpressionNode, Visitable {
     public CrementType crementType;
     public AssignableNode assignableExpression;
 
@@ -20,4 +20,9 @@ public class DecrementNode implements IStatementExpressionNode {
     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

@@ -5,8 +5,9 @@ import ast.statementexpressions.IStatementExpressionNode;
 import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class IncrementNode implements IStatementExpressionNode {
+public class IncrementNode implements IStatementExpressionNode, Visitable {
     public CrementType crementType;
     public AssignableNode assignableExpression;
 
@@ -19,4 +20,9 @@ public class IncrementNode implements IStatementExpressionNode {
     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

@@ -22,11 +22,6 @@ public class ChainedMethodNode implements ASTNode, Visitable {
         expressions.add(expression);
     }
 
-    @Override
-    public void accept(MethodVisitor methodVisitor) {
-        methodVisitor.visit(this);
-    }
-
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return null;

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

@@ -2,6 +2,7 @@ package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.expressions.IExpressionNode;
 import ast.statements.IStatementNode;
+import ast.type.type.ITypeNode;
 import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
@@ -11,6 +12,7 @@ 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<>();

src/main/java/bytecode/ClassCodeGen.java

@@ -27,7 +27,7 @@ public class ClassCodeGen implements ClassVisitor {
     private boolean generateClassFiles;
 
     public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory, boolean generateJar, boolean generateClassFiles) {
-        mapper = new Mapper();
+        this.mapper = new Mapper();
         this.jarOutputStream = jarOutputStream;
         this.outputDirectory = outputDirectory;
         this.generateJar = generateJar;

src/main/java/bytecode/Mapper.java

@@ -3,6 +3,7 @@ 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;
@@ -24,7 +25,7 @@ public class Mapper {
         return 0;
     }
 
-    public String generateMethodDescriptor(BaseType type, List<ParameterNode> parameters) {
+    public String generateMethodDescriptor(ITypeNode type, List<ParameterNode> parameters) {
         String descriptor = "(";
         for (ParameterNode parameterNode : parameters) {
             if(parameterNode.type instanceof BaseType) {
@@ -35,7 +36,11 @@ public class Mapper {
             }
         }
         descriptor += ")";
-        descriptor += getTypeChar(type);
+        if(type instanceof BaseType) {
+            descriptor += getTypeChar((BaseType) type);
+        } else if(type instanceof ReferenceType) {
+            descriptor += "L" + ((ReferenceType) type).getIdentifier() +";";
+        }
         return descriptor;
     }
 

src/main/java/bytecode/MethodCodeGen.java

@@ -14,9 +14,7 @@ import ast.statementexpressions.NewDeclarationNode;
 import ast.statementexpressions.crementexpressions.CrementType;
 import ast.statementexpressions.crementexpressions.DecrementNode;
 import ast.statementexpressions.crementexpressions.IncrementNode;
-import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
-import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
 import ast.type.ValueNode;
 import ast.type.type.BaseType;
@@ -71,9 +69,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
         // Visit all statements
         for (IStatementNode statementNode : constructorNode.block.statements) {
-            if (statementNode != null) {
-                statementNode.accept(this);
-            }
+            statementNode.accept(this);
         }
 
         methodVisitor.visitMaxs(0, 0);
@@ -105,7 +101,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
     public void visit(MethodNode methodNode) {
         methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
                 methodNode.getIdentifier(),
-                mapper.generateMethodDescriptor((BaseType) methodNode.getType(), methodNode.parameters),
+                mapper.generateMethodDescriptor(methodNode.getType(), methodNode.parameters),
                 null,
                 null);
 
@@ -241,7 +237,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
                 nonCalculationNode.unaryExpression.accept(this);
                 nonCalculationNode.expression.accept(this);
                 if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
-                    methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
+                    methodVisitor.visitJumpInsn(IF_ICMPEQ, labelFalse);
                 } else {
                     methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
                 }
@@ -266,9 +262,17 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
     @Override
     public void visit(MemberAccessNode memberAccessNode) {
         // Only used to get, not to put
-        if (memberAccessNode.thisExpr) { // Field
-            // methodVisitor.visitFieldInsn(GETFIELD, memberAccessNode.identifiers.get(0), memberAccessNode.identifiers.get(1), );
-        } else { // Object Attribut
+        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() + ";");
         }
     }
 
@@ -331,6 +335,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
             // else if statements
             methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[0]);
         }
+
         ifElseNode.ifStatement.block.accept(this); // accept if block
 
         Label endLabel = new Label();
@@ -362,22 +367,17 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
         if (localVariableDeclarationNode.expression != null) {
             // Process expression
             localVariableDeclarationNode.expression.accept(this);
-            // Store result of expression in variable
-            if (localVariables.contains(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 {
+            // 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));
-                }
+            }
+            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);
             }
@@ -386,40 +386,106 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     @Override
     public void visit(AssignNode assignNode) {
-        // Process expression
+        if (assignNode.assignable.memberAccess != null) { // this / object
+            if (assignNode.expression instanceof IncrementNode) {
+                if (((IncrementNode) assignNode.expression).crementType.equals(CrementType.PREFIX)) { // ++i
+                    fieldOrObjectVarPrefixCrementAssign(assignNode);
+                } else { // i++
+                    fieldOrObjectVarSuffixCrementAssign(assignNode);
+                }
+            } else if (assignNode.expression instanceof DecrementNode) {
+                if (((DecrementNode) assignNode.expression).crementType.equals(CrementType.PREFIX)) {
+                    fieldOrObjectVarPrefixCrementAssign(assignNode);
+                } else {
+                    fieldOrObjectVarSuffixCrementAssign(assignNode);
+                }
+            } else {
+                assignFieldOrObjectVar(assignNode);
+            }
+        } else { // local var
+            if (assignNode.expression instanceof IncrementNode || assignNode.expression instanceof DecrementNode) {
+                localVarCrementAssign(assignNode);
+            } else {
+                assignNode.expression.accept(this);
+                assignLocalVar(assignNode);
+            }
+        }
+    }
+
+    private void localVarCrementAssign(AssignNode assignNode) {
         if (assignNode.expression instanceof IncrementNode) {
             IncrementNode incrementNode = (IncrementNode) assignNode.expression;
             if (incrementNode.crementType.equals(CrementType.PREFIX)) { // ++i
-                methodVisitor.visitIincInsn(localVariables.indexOf(incrementNode.assignableExpression.identifier), 1);
-                assign(assignNode);
-            } else if (incrementNode.crementType.equals(CrementType.SUFFIX)) { // Suffix: i++
-                assign(assignNode);
-                methodVisitor.visitIincInsn(localVariables.indexOf(incrementNode.assignableExpression.identifier), 1);
+                incrementNode.accept(this);
+                assignLocalVar(assignNode);
+            } else { // i++
+                loadBeforeCrement(assignNode);
+                assignLocalVar(assignNode);
+                incrementNode.accept(this);
             }
         } else if (assignNode.expression instanceof DecrementNode) {
             DecrementNode decrementNode = (DecrementNode) assignNode.expression;
             if (decrementNode.crementType.equals(CrementType.PREFIX)) {
-                methodVisitor.visitIincInsn(localVariables.indexOf(decrementNode.assignableExpression.identifier), -1);
-                assign(assignNode);
-            } else if (decrementNode.crementType.equals(CrementType.SUFFIX)) {
-                assign(assignNode);
-                methodVisitor.visitIincInsn(localVariables.indexOf(decrementNode.assignableExpression.identifier), 1);
+                decrementNode.accept(this);
+                assignLocalVar(assignNode);
+            } else {
+                loadBeforeCrement(assignNode);
+                assignLocalVar(assignNode);
+                decrementNode.accept(this);
             }
-        } else {
-            assignNode.expression.accept(this);
-            assign(assignNode);
         }
     }
 
-    private void assign(AssignNode assignNode) {
-        if (assignNode.assignable.memberAccess.thisExpr) {
-            assignField(assignNode);
+    private void fieldOrObjectVarPrefixCrementAssign(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 {
-            assignLocalVar(assignNode);
+            localVariables.add(assignNode.assignable.identifier);
+            methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignNode.assignable.identifier));
         }
+
+        assignNode.expression.accept(this);
+        methodVisitor.visitInsn(DUP_X1);
+
+        if (assignNode.expression 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 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 fieldOrObjectVarSuffixCrementAssign(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);
+            methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignNode.assignable.identifier));
+        }
+
+        loadBeforeCrement(assignNode);
+        
+        if (assignNode.expression 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 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() + ";");
+        }
+
+        assignNode.expression.accept(this);
     }
 
     private void assignLocalVar(AssignNode assignNode) {
+        methodVisitor.visitInsn(DUP);
+        if (!localVariables.contains(assignNode.assignable.identifier)) {
+            localVariables.add(assignNode.assignable.identifier);
+        }
         if (assignNode.expression instanceof BaseType) {
             methodVisitor.visitVarInsn(ISTORE, localVariables.indexOf(assignNode.assignable.identifier));
         } else if (assignNode.expression instanceof ReferenceType) {
@@ -427,12 +493,105 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
         }
     }
 
-    private void assignField(AssignNode assignNode) {
+    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);
+            methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignNode.assignable.identifier));
+        }
+
+        assignNode.expression.accept(this);
+        methodVisitor.visitInsn(DUP_X1);
+
         if (assignNode.expression 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 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()+";");
+            methodVisitor.visitFieldInsn(PUTFIELD, assignNode.assignable.memberAccess.identifiers.get(0), assignNode.assignable.memberAccess.identifiers.get(1), "L" + referenceType.getIdentifier() + ";");
+        }
+    }
+
+    private void loadBeforeCrement(AssignNode assignNode) {
+        if(assignNode.expression instanceof IncrementNode) {
+            IncrementNode incrementNode = (IncrementNode) assignNode.expression;
+            if(incrementNode.assignableExpression.memberAccess != null) {
+                incrementNode.assignableExpression.memberAccess.accept(this);
+            } else {
+                if(assignNode.assignable.getTypeNode() instanceof BaseType) {
+                    methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(assignNode.assignable.identifier));
+                } else if(assignNode.assignable.getTypeNode() instanceof ReferenceType) {
+                    methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignNode.assignable.identifier));
+                }
+            }
+        } else if(assignNode.expression instanceof DecrementNode) {
+            DecrementNode decrementNode = (DecrementNode) assignNode.expression;
+            if(decrementNode.assignableExpression.memberAccess != null) {
+                decrementNode.assignableExpression.memberAccess.accept(this);
+            } else {
+                if(assignNode.assignable.getTypeNode() instanceof BaseType) {
+                    methodVisitor.visitVarInsn(ILOAD, localVariables.indexOf(assignNode.assignable.identifier));
+                } else if(assignNode.assignable.getTypeNode() instanceof ReferenceType) {
+                    methodVisitor.visitVarInsn(ALOAD, localVariables.indexOf(assignNode.assignable.identifier));
+                }
+            }
+        }
+    }
+
+    @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(DUP);
+            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);
+            }
+            methodVisitor.visitInsn(DUP);
+            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);
         }
     }
 
@@ -445,8 +604,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
             expressionNode.accept(this);
             parameterNodes.add(new ParameterNode(expressionNode.getType(), ""));
         }
-        methodVisitor.visitMethodInsn(INVOKESPECIAL, newDeclarationNode.identifier, "<init>", mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID),parameterNodes), false);
-        localVariables.add(newDeclarationNode.identifier);
+        methodVisitor.visitMethodInsn(INVOKESPECIAL, newDeclarationNode.identifier, "<init>", mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), parameterNodes), false);
     }
 
     @Override
@@ -518,19 +676,13 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
         methodVisitor.visitLabel(endOfLoopLabel);
     }
 
-    @Override
-    public void visit(ChainedMethodNode chainedMethodNode) {
-        // TODO: Erstmal abwarten
-    }
-
     @Override
     public void visit(MethodCallNode methodCallNode) {
         List<ParameterNode> parameterNodes = new ArrayList<>();
-        for(IExpressionNode expressionNode : methodCallNode.parameters) {
+        for (IExpressionNode expressionNode : methodCallNode.parameters) {
             expressionNode.accept(this);
             parameterNodes.add(new ParameterNode(expressionNode.getType(), ""));
         }
-        // TODO: Klassenname und Returntype
-        //methodVisitor.visitMethodInsn(INVOKEVIRTUAL, classname, methodCallNode.identifier, mapper.generateMethodDescriptor(returntype, parameterNodes), false);
+        methodVisitor.visitMethodInsn(INVOKEVIRTUAL, methodCallNode.target.memberAccess.identifiers.get(0), methodCallNode.identifier, mapper.generateMethodDescriptor(methodCallNode.type, parameterNodes), false);
     }
 }

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

@@ -5,6 +5,5 @@ import ast.members.FieldNode;
 
 public interface ClassVisitor {
     void visit(ClassNode classNode);
-
     void visit(FieldNode fieldNode);
 }

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

@@ -39,12 +39,14 @@ public interface MethodVisitor {
     // statements
     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(ChainedMethodNode chainedMethodNode);
     void visit(MethodCallNode methodCallNode);
 
     void visit(AssignNode assignNode);

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

@@ -3,10 +3,7 @@ package parser.astBuilder;
 import ast.*;
 
 import ast.expressions.IExpressionNode;
-import ast.expressions.binaryexpressions.CalculationNode;
-import ast.expressions.binaryexpressions.DotNode;
-import ast.expressions.binaryexpressions.DotSubstractionNode;
-import ast.expressions.binaryexpressions.NonCalculationNode;
+import ast.expressions.binaryexpressions.*;
 import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.expressions.unaryexpressions.NotNode;
 import ast.expressions.unaryexpressions.UnaryNode;
@@ -14,6 +11,7 @@ import ast.members.*;
 import ast.parameters.ParameterNode;
 import ast.statementexpressions.AssignNode;
 import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.IStatementExpressionNode;
 import ast.statementexpressions.NewDeclarationNode;
 import ast.statementexpressions.crementexpressions.CrementType;
 import ast.statementexpressions.crementexpressions.DecrementNode;
@@ -75,7 +73,12 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) {
-        ConstructorNode constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        ConstructorNode constructorNode;
+        if(ctx.AccessModifier() != null) {
+            constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        } else {
+            constructorNode = new ConstructorNode("public", ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        }
         if(ctx.parameterList() != null) {
             for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
                 constructorNode.addParameter((ParameterNode) visit(parameter));
@@ -164,6 +167,8 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
             return visitForStatement(ctx.forStatement());
         } else if(ctx.ifElseStatement() != null) {
             return visitIfElseStatement(ctx.ifElseStatement());
+        } else if(ctx.switchStatement() != null) {
+            return visitSwitchStatement(ctx.switchStatement());
         } else if(ctx.statementExpression() != null) {
             return visitStatementExpression(ctx.statementExpression());
         }
@@ -177,7 +182,12 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx) {
-        return new LocalVariableDeclarationNode(createTypeNode(ctx.type().getText()), ctx.Identifier().getText(), ctx.Assign().getText(), (IExpressionNode) visit(ctx.expression()));
+        if(ctx.Assign() != null) {
+            return new LocalVariableDeclarationNode(createTypeNode(ctx.type().getText()), ctx.Identifier().getText(), ctx.Assign().getText(), (IExpressionNode) visit(ctx.expression()));
+        } else {
+            return new LocalVariableDeclarationNode(createTypeNode(ctx.type().getText()), ctx.Identifier().getText(), null, null);
+        }
+
     }
 
     @Override
@@ -209,46 +219,60 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitForStatement(SimpleJavaParser.ForStatementContext ctx) {
-
         List<IStatementNode> statements = new ArrayList<>();
 
-        //init
+        // Initialisierung
         int i = 0;
-        if(ctx.localVariableDeclaration() != null) {
+        if (ctx.localVariableDeclaration() != null) {
             statements.add((IStatementNode) visit(ctx.localVariableDeclaration()));
-        } else if(ctx.statementExpression(i) != null){
+        } else if (ctx.statementExpression(i) != null) {
             statements.add((IStatementNode) visit(ctx.statementExpression(i)));
             i++;
         }
 
-        //condition
+        // Bedingung
         IExpressionNode condition = (IExpressionNode) visit(ctx.expression());
 
-        //ink
-        IStatementNode crement = null;
-        if(ctx.statementExpression(i) != null){
-            crement = (IStatementNode) visit(ctx.statementExpression(i));
+        // Inkrement
+        IStatementExpressionNode crement = null;
+        boolean isPrefix = false;
+        if (ctx.statementExpression(i) != null) {
+            crement = (IStatementExpressionNode) visit(ctx.statementExpression(i));
+
+            if (crement instanceof IncrementNode) {
+                isPrefix = ((IncrementNode) crement).crementType == CrementType.PREFIX;
+            } else if (crement instanceof DecrementNode) {
+                isPrefix = ((DecrementNode) crement).crementType == CrementType.PREFIX;
+            }
         }
 
-        BlockNode forBlock = new BlockNode();
+        BlockNode forBlock = (BlockNode) visit(ctx.blockStatement());
 
-        BlockNode forStatements = (BlockNode) visit(ctx.blockStatement());
-        if(forStatements != null) {
-            forBlock.addStatement((IStatementNode) forStatements);
+        // While-Schleife
+        BlockNode whileBody = new BlockNode();
+
+        // Prä-Inkrement: Das Inkrement kommt vor dem Block
+        if (crement != null && isPrefix) {
+            whileBody.addStatement((IStatementNode) crement);
         }
 
-        if(crement != null){
-            BlockNode forCrement = new BlockNode();
-            forCrement.addStatement((crement));
-            forBlock.addStatement(forCrement);
+        // Block Statements der For-Schleife in den While-Block kopieren
+        for (IStatementNode statement : forBlock.statements) {
+            whileBody.addStatement(statement);
         }
 
-        WhileNode While = new WhileNode(condition, forBlock);
+        // Post-Inkrement: Das Inkrement kommt nach dem Block
+        if (crement != null && !isPrefix) {
+            whileBody.addStatement((IStatementNode) crement);
+        }
 
-        statements.add(While);
+        // Bedingung der While-Schleife
+        WhileNode whileNode = new WhileNode(condition, whileBody);
+
+        statements.add(whileNode);
 
         BlockNode resultBlock = new BlockNode();
-        for(IStatementNode statement : statements) {
+        for (IStatementNode statement : statements) {
             resultBlock.addStatement((IStatementNode) statement);
         }
 
@@ -257,8 +281,13 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) {
-        IfElseNode ifElseStatementNode =  new IfElseNode((IfNode) visit(ctx.ifStatement()),
-                (ElseNode) visit(ctx.elseStatement()));
+        IfElseNode ifElseStatementNode;
+        if(ctx.elseStatement() != null) {
+            ifElseStatementNode =  new IfElseNode((IfNode) visit(ctx.ifStatement()),
+                    (ElseNode) visit(ctx.elseStatement()));
+        } else {
+            ifElseStatementNode =  new IfElseNode((IfNode) visit(ctx.ifStatement()), null);
+        }
 
         for (SimpleJavaParser.ElseIfStatementContext elseIf : ctx.elseIfStatement()){
             ifElseStatementNode.addElseIfStatement(((IfNode) visit(elseIf)));
@@ -296,6 +325,49 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
         return null;
     }
 
+    @Override
+    public ASTNode visitSwitchStatement(SimpleJavaParser.SwitchStatementContext ctx) {
+        UnaryNode switchExpression = (UnaryNode) visit(ctx.expression());
+
+        List<IfNode> ifNodes = new ArrayList<>();
+
+        for (SimpleJavaParser.CaseStatementContext caseCtx : ctx.caseStatement()) {
+            IExpressionNode caseExpression = (IExpressionNode) visit(caseCtx.value());
+
+            // Condition as NonCalculationNode -> Equals Expression
+            NonCalculationNode condition = new NonCalculationNode(switchExpression, "==", caseExpression);
+
+            BlockNode caseBlock = new BlockNode();
+            for (SimpleJavaParser.StatementContext stmtCtx : caseCtx.statement()) {
+                caseBlock.addStatement((IStatementNode) visit(stmtCtx));
+            }
+
+            // Each case as if
+            IfNode ifNode = new IfNode(condition, caseBlock);
+            ifNodes.add(ifNode);
+        }
+
+        // Check if has Default
+        ElseNode defaulElseNode = null;
+        if (ctx.defaultStatement() != null) {
+            BlockNode defaultBlock = new BlockNode();
+            for (SimpleJavaParser.StatementContext stmtCtx : ctx.defaultStatement().statement()) {
+                defaultBlock.addStatement((IStatementNode) visit(stmtCtx));
+            }
+            // Default als letztes Else Statement
+            defaulElseNode = new ElseNode(defaultBlock);
+        }
+
+        IfElseNode ifElseNode = new IfElseNode(ifNodes.getFirst(),defaulElseNode);
+        ifNodes.removeFirst();
+
+        for (IfNode ifNode : ifNodes){
+            ifElseNode.addElseIfStatement(ifNode);
+        }
+
+        return ifElseNode;
+    }
+
     @Override
     public ASTNode visitAssign(SimpleJavaParser.AssignContext ctx) {
         return new AssignNode((AssignableNode) visit(ctx.assignableExpression()), (IExpressionNode) visit(ctx.expression()));
@@ -532,6 +604,4 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
             default -> new ReferenceType(identifier);
         };
     }
-
-}
-
+}

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

@@ -41,14 +41,18 @@ Else=40
 For=41
 Return=42
 New=43
-CharValue=44
-IntValue=45
-BooleanValue=46
-NullValue=47
-Identifier=48
-WS=49
-InlineComment=50
-MultilineComment=51
+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
@@ -87,4 +91,8 @@ MultilineComment=51
 'for'=41
 'return'=42
 'new'=43
-'null'=47
+'switch'=44
+'case'=45
+'default'=46
+':'=47
+'null'=51

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/janni/Desktop/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
+// Generated from C:/Users/Maxi/Documents/DHBW/Compilerbau/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
 package parser.generated;
 
 import org.antlr.v4.runtime.ParserRuleContext;
@@ -252,6 +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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/janni/Desktop/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
+// Generated from C:/Users/Maxi/Documents/DHBW/Compilerbau/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
 package parser.generated;
 import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
 
@@ -152,6 +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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/janni/Desktop/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
+// Generated from C:/Users/Maxi/Documents/DHBW/Compilerbau/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
 package parser.generated;
 import org.antlr.v4.runtime.Lexer;
 import org.antlr.v4.runtime.CharStream;
@@ -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, 
-		Do=38, If=39, Else=40, For=41, Return=42, New=43, CharValue=44, IntValue=45, 
-		BooleanValue=46, NullValue=47, Identifier=48, WS=49, InlineComment=50, 
-		MultilineComment=51;
+		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", 
-			"Do", "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();
@@ -56,7 +57,8 @@ public class SimpleJavaLexer extends Lexer {
 			"'+'", "'-'", "'*'", "'%'", "'/'", "'>'", "'<'", "'>='", "'<='", "'=='", 
 			"'!='", "'!'", "'&&'", "'||'", "'.'", "'('", "')'", "'{'", "'}'", "';'", 
 			"','", "'class'", "'this'", "'while'", "'do'", "'if'", "'else'", "'for'", 
-			"'return'", "'new'", null, null, null, "'null'"
+			"'return'", "'new'", "'switch'", "'case'", "'default'", "':'", null, 
+			null, null, "'null'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
@@ -68,9 +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", "Do", "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();
@@ -132,7 +134,7 @@ public class SimpleJavaLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\u0004\u00003\u019d\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"+
@@ -147,245 +149,263 @@ public class SimpleJavaLexer extends Lexer {
 		"&\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\u00025\u0007"+
-		"5\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001"+
-		"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0003"+
+		"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"+
-		"\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004"+
-		"\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006"+
+		"\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0005"+
+		"\u0001\u0005\u0001\u0005\u0001\u0005\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\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
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 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
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+		"\u0000\u0000\u00c0\u00c1\u0005c\u0000\u0000\u00c1\u00c2\u0005 \u0000\u0000"+
+		"\u00c2\u00c3\u0005s\u0000\u0000\u00c3\u00c4\u0005t\u0000\u0000\u00c4\u00c5"+
+		"\u0005a\u0000\u0000\u00c5\u00c6\u0005t\u0000\u0000\u00c6\u00c7\u0005i"+
+		"\u0000\u0000\u00c7\u00c8\u0005c\u0000\u0000\u00c8\u00c9\u0005 \u0000\u0000"+
+		"\u00c9\u00ca\u0005v\u0000\u0000\u00ca\u00cb\u0005o\u0000\u0000\u00cb\u00cc"+
+		"\u0005i\u0000\u0000\u00cc\u00cd\u0005d\u0000\u0000\u00cd\u00ce\u0005 "+
+		"\u0000\u0000\u00ce\u00cf\u0005m\u0000\u0000\u00cf\u00d0\u0005a\u0000\u0000"+
+		"\u00d0\u00d1\u0005i\u0000\u0000\u00d1\u00d2\u0005n\u0000\u0000\u00d2\u00d3"+
+		"\u0005(\u0000\u0000\u00d3\u00d4\u0005S\u0000\u0000\u00d4\u00d5\u0005t"+
+		"\u0000\u0000\u00d5\u00d6\u0005r\u0000\u0000\u00d6\u00d7\u0005i\u0000\u0000"+
+		"\u00d7\u00d8\u0005n\u0000\u0000\u00d8\u00d9\u0005g\u0000\u0000\u00d9\u00da"+
+		"\u0005[\u0000\u0000\u00da\u00db\u0005]\u0000\u0000\u00db\u00dc\u0005 "+
+		"\u0000\u0000\u00dc\u00dd\u0005a\u0000\u0000\u00dd\u00de\u0005r\u0000\u0000"+
+		"\u00de\u00df\u0005g\u0000\u0000\u00df\u00e0\u0005s\u0000\u0000\u00e0\u00e1"+
+		"\u0005)\u0000\u0000\u00e1\u0010\u0001\u0000\u0000\u0000\u00e2\u00e6\u0003"+
+		"\u001f\u000f\u0000\u00e3\u00e6\u0003#\u0011\u0000\u00e4\u00e6\u0003!\u0010"+
+		"\u0000\u00e5\u00e2\u0001\u0000\u0000\u0000\u00e5\u00e3\u0001\u0000\u0000"+
+		"\u0000\u00e5\u00e4\u0001\u0000\u0000\u0000\u00e6\u0012\u0001\u0000\u0000"+
+		"\u0000\u00e7\u00ea\u0003\u001b\r\u0000\u00e8\u00ea\u0003\u001d\u000e\u0000"+
+		"\u00e9\u00e7\u0001\u0000\u0000\u0000\u00e9\u00e8\u0001\u0000\u0000\u0000"+
+		"\u00ea\u0014\u0001\u0000\u0000\u0000\u00eb\u00f2\u0003%\u0012\u0000\u00ec"+
+		"\u00f2\u0003\'\u0013\u0000\u00ed\u00f2\u0003)\u0014\u0000\u00ee\u00f2"+
+		"\u0003+\u0015\u0000\u00ef\u00f2\u0003-\u0016\u0000\u00f0\u00f2\u0003/"+
+		"\u0017\u0000\u00f1\u00eb\u0001\u0000\u0000\u0000\u00f1\u00ec\u0001\u0000"+
+		"\u0000\u0000\u00f1\u00ed\u0001\u0000\u0000\u0000\u00f1\u00ee\u0001\u0000"+
+		"\u0000\u0000\u00f1\u00ef\u0001\u0000\u0000\u0000\u00f1\u00f0\u0001\u0000"+
+		"\u0000\u0000\u00f2\u0016\u0001\u0000\u0000\u0000\u00f3\u00f6\u00033\u0019"+
+		"\u0000\u00f4\u00f6\u00035\u001a\u0000\u00f5\u00f3\u0001\u0000\u0000\u0000"+
+		"\u00f5\u00f4\u0001\u0000\u0000\u0000\u00f6\u0018\u0001\u0000\u0000\u0000"+
+		"\u00f7\u00f8\u0005=\u0000\u0000\u00f8\u001a\u0001\u0000\u0000\u0000\u00f9"+
+		"\u00fa\u0005+\u0000\u0000\u00fa\u001c\u0001\u0000\u0000\u0000\u00fb\u00fc"+
+		"\u0005-\u0000\u0000\u00fc\u001e\u0001\u0000\u0000\u0000\u00fd\u00fe\u0005"+
+		"*\u0000\u0000\u00fe \u0001\u0000\u0000\u0000\u00ff\u0100\u0005%\u0000"+
+		"\u0000\u0100\"\u0001\u0000\u0000\u0000\u0101\u0102\u0005/\u0000\u0000"+
+		"\u0102$\u0001\u0000\u0000\u0000\u0103\u0104\u0005>\u0000\u0000\u0104&"+
+		"\u0001\u0000\u0000\u0000\u0105\u0106\u0005<\u0000\u0000\u0106(\u0001\u0000"+
+		"\u0000\u0000\u0107\u0108\u0005>\u0000\u0000\u0108\u0109\u0005=\u0000\u0000"+
+		"\u0109*\u0001\u0000\u0000\u0000\u010a\u010b\u0005<\u0000\u0000\u010b\u010c"+
+		"\u0005=\u0000\u0000\u010c,\u0001\u0000\u0000\u0000\u010d\u010e\u0005="+
+		"\u0000\u0000\u010e\u010f\u0005=\u0000\u0000\u010f.\u0001\u0000\u0000\u0000"+
+		"\u0110\u0111\u0005!\u0000\u0000\u0111\u0112\u0005=\u0000\u0000\u01120"+
+		"\u0001\u0000\u0000\u0000\u0113\u0114\u0005!\u0000\u0000\u01142\u0001\u0000"+
+		"\u0000\u0000\u0115\u0116\u0005&\u0000\u0000\u0116\u0117\u0005&\u0000\u0000"+
+		"\u01174\u0001\u0000\u0000\u0000\u0118\u0119\u0005|\u0000\u0000\u0119\u011a"+
+		"\u0005|\u0000\u0000\u011a6\u0001\u0000\u0000\u0000\u011b\u011c\u0005."+
+		"\u0000\u0000\u011c8\u0001\u0000\u0000\u0000\u011d\u011e\u0005(\u0000\u0000"+
+		"\u011e:\u0001\u0000\u0000\u0000\u011f\u0120\u0005)\u0000\u0000\u0120<"+
+		"\u0001\u0000\u0000\u0000\u0121\u0122\u0005{\u0000\u0000\u0122>\u0001\u0000"+
+		"\u0000\u0000\u0123\u0124\u0005}\u0000\u0000\u0124@\u0001\u0000\u0000\u0000"+
+		"\u0125\u0126\u0005;\u0000\u0000\u0126B\u0001\u0000\u0000\u0000\u0127\u0128"+
+		"\u0005,\u0000\u0000\u0128D\u0001\u0000\u0000\u0000\u0129\u012a\u0005c"+
+		"\u0000\u0000\u012a\u012b\u0005l\u0000\u0000\u012b\u012c\u0005a\u0000\u0000"+
+		"\u012c\u012d\u0005s\u0000\u0000\u012d\u012e\u0005s\u0000\u0000\u012eF"+
+		"\u0001\u0000\u0000\u0000\u012f\u0130\u0005t\u0000\u0000\u0130\u0131\u0005"+
+		"h\u0000\u0000\u0131\u0132\u0005i\u0000\u0000\u0132\u0133\u0005s\u0000"+
+		"\u0000\u0133H\u0001\u0000\u0000\u0000\u0134\u0135\u0005w\u0000\u0000\u0135"+
+		"\u0136\u0005h\u0000\u0000\u0136\u0137\u0005i\u0000\u0000\u0137\u0138\u0005"+
+		"l\u0000\u0000\u0138\u0139\u0005e\u0000\u0000\u0139J\u0001\u0000\u0000"+
+		"\u0000\u013a\u013b\u0005d\u0000\u0000\u013b\u013c\u0005o\u0000\u0000\u013c"+
+		"L\u0001\u0000\u0000\u0000\u013d\u013e\u0005i\u0000\u0000\u013e\u013f\u0005"+
+		"f\u0000\u0000\u013fN\u0001\u0000\u0000\u0000\u0140\u0141\u0005e\u0000"+
+		"\u0000\u0141\u0142\u0005l\u0000\u0000\u0142\u0143\u0005s\u0000\u0000\u0143"+
+		"\u0144\u0005e\u0000\u0000\u0144P\u0001\u0000\u0000\u0000\u0145\u0146\u0005"+
+		"f\u0000\u0000\u0146\u0147\u0005o\u0000\u0000\u0147\u0148\u0005r\u0000"+
+		"\u0000\u0148R\u0001\u0000\u0000\u0000\u0149\u014a\u0005r\u0000\u0000\u014a"+
+		"\u014b\u0005e\u0000\u0000\u014b\u014c\u0005t\u0000\u0000\u014c\u014d\u0005"+
+		"u\u0000\u0000\u014d\u014e\u0005r\u0000\u0000\u014e\u014f\u0005n\u0000"+
+		"\u0000\u014fT\u0001\u0000\u0000\u0000\u0150\u0151\u0005n\u0000\u0000\u0151"+
+		"\u0152\u0005e\u0000\u0000\u0152\u0153\u0005w\u0000\u0000\u0153V\u0001"+
+		"\u0000\u0000\u0000\u0154\u0155\u0005s\u0000\u0000\u0155\u0156\u0005w\u0000"+
+		"\u0000\u0156\u0157\u0005i\u0000\u0000\u0157\u0158\u0005t\u0000\u0000\u0158"+
+		"\u0159\u0005c\u0000\u0000\u0159\u015a\u0005h\u0000\u0000\u015aX\u0001"+
+		"\u0000\u0000\u0000\u015b\u015c\u0005c\u0000\u0000\u015c\u015d\u0005a\u0000"+
+		"\u0000\u015d\u015e\u0005s\u0000\u0000\u015e\u015f\u0005e\u0000\u0000\u015f"+
+		"Z\u0001\u0000\u0000\u0000\u0160\u0161\u0005d\u0000\u0000\u0161\u0162\u0005"+
+		"e\u0000\u0000\u0162\u0163\u0005f\u0000\u0000\u0163\u0164\u0005a\u0000"+
+		"\u0000\u0164\u0165\u0005u\u0000\u0000\u0165\u0166\u0005l\u0000\u0000\u0166"+
+		"\u0167\u0005t\u0000\u0000\u0167\\\u0001\u0000\u0000\u0000\u0168\u0169"+
+		"\u0005:\u0000\u0000\u0169^\u0001\u0000\u0000\u0000\u016a\u016e\u0005\'"+
+		"\u0000\u0000\u016b\u016d\b\u0000\u0000\u0000\u016c\u016b\u0001\u0000\u0000"+
+		"\u0000\u016d\u0170\u0001\u0000\u0000\u0000\u016e\u016c\u0001\u0000\u0000"+
+		"\u0000\u016e\u016f\u0001\u0000\u0000\u0000\u016f\u0171\u0001\u0000\u0000"+
+		"\u0000\u0170\u016e\u0001\u0000\u0000\u0000\u0171\u0172\u0005\'\u0000\u0000"+
+		"\u0172`\u0001\u0000\u0000\u0000\u0173\u0175\u0003\u001d\u000e\u0000\u0174"+
+		"\u0173\u0001\u0000\u0000\u0000\u0174\u0175\u0001\u0000\u0000\u0000\u0175"+
+		"\u0177\u0001\u0000\u0000\u0000\u0176\u0178\u0003i4\u0000\u0177\u0176\u0001"+
+		"\u0000\u0000\u0000\u0178\u0179\u0001\u0000\u0000\u0000\u0179\u0177\u0001"+
+		"\u0000\u0000\u0000\u0179\u017a\u0001\u0000\u0000\u0000\u017ab\u0001\u0000"+
+		"\u0000\u0000\u017b\u017c\u0005t\u0000\u0000\u017c\u017d\u0005r\u0000\u0000"+
+		"\u017d\u017e\u0005u\u0000\u0000\u017e\u0185\u0005e\u0000\u0000\u017f\u0180"+
+		"\u0005f\u0000\u0000\u0180\u0181\u0005a\u0000\u0000\u0181\u0182\u0005l"+
+		"\u0000\u0000\u0182\u0183\u0005s\u0000\u0000\u0183\u0185\u0005e\u0000\u0000"+
+		"\u0184\u017b\u0001\u0000\u0000\u0000\u0184\u017f\u0001\u0000\u0000\u0000"+
+		"\u0185d\u0001\u0000\u0000\u0000\u0186\u0187\u0005n\u0000\u0000\u0187\u0188"+
+		"\u0005u\u0000\u0000\u0188\u0189\u0005l\u0000\u0000\u0189\u018a\u0005l"+
+		"\u0000\u0000\u018af\u0001\u0000\u0000\u0000\u018b\u018c\u0007\u0001\u0000"+
+		"\u0000\u018ch\u0001\u0000\u0000\u0000\u018d\u018e\u0007\u0002\u0000\u0000"+
+		"\u018ej\u0001\u0000\u0000\u0000\u018f\u0193\u0003g3\u0000\u0190\u0193"+
+		"\u0003i4\u0000\u0191\u0193\u0007\u0003\u0000\u0000\u0192\u018f\u0001\u0000"+
+		"\u0000\u0000\u0192\u0190\u0001\u0000\u0000\u0000\u0192\u0191\u0001\u0000"+
+		"\u0000\u0000\u0193l\u0001\u0000\u0000\u0000\u0194\u0198\u0003g3\u0000"+
+		"\u0195\u0197\u0003k5\u0000\u0196\u0195\u0001\u0000\u0000\u0000\u0197\u019a"+
+		"\u0001\u0000\u0000\u0000\u0198\u0196\u0001\u0000\u0000\u0000\u0198\u0199"+
+		"\u0001\u0000\u0000\u0000\u0199n\u0001\u0000\u0000\u0000\u019a\u0198\u0001"+
+		"\u0000\u0000\u0000\u019b\u019d\u0007\u0004\u0000\u0000\u019c\u019b\u0001"+
+		"\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

@@ -41,14 +41,18 @@ Else=40
 For=41
 Return=42
 New=43
-CharValue=44
-IntValue=45
-BooleanValue=46
-NullValue=47
-Identifier=48
-WS=49
-InlineComment=50
-MultilineComment=51
+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
@@ -87,4 +91,8 @@ MultilineComment=51
 'for'=41
 'return'=42
 'new'=43
-'null'=47
+'switch'=44
+'case'=45
+'default'=46
+':'=47
+'null'=51

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/janni/Desktop/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
+// Generated from C:/Users/Maxi/Documents/DHBW/Compilerbau/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
 package parser.generated;
 import org.antlr.v4.runtime.tree.ParseTreeListener;
 
@@ -207,6 +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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/janni/Desktop/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
+// Generated from C:/Users/Maxi/Documents/DHBW/Compilerbau/NichtHaskell2.0/src/main/java/parser/grammar/SimpleJava.g4 by ANTLR 4.13.1
 package parser.generated;
 import org.antlr.v4.runtime.tree.ParseTreeVisitor;
 
@@ -130,6 +130,24 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @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

@@ -7,7 +7,7 @@ classDeclaration: AccessModifier? 'class' Identifier OpenCurlyBracket memberDecl
 memberDeclaration: constructorDeclaration | fieldDeclaration | methodDeclaration;
 
 constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement;
-fieldDeclaration: AccessModifier? type Identifier Semicolon;
+fieldDeclaration: AccessModifier? type Identifier (Assign expression)? Semicolon;
 methodDeclaration: MainMethodDeclaration blockStatement | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement;
 
 parameterList: parameter (Comma parameter)*;
@@ -22,6 +22,7 @@ statement: returnStatement Semicolon
          | doWhileStatement
          | forStatement
          | ifElseStatement
+         | switchStatement
          | statementExpression Semicolon;
 
 blockStatement: OpenCurlyBracket statement* ClosedCurlyBracket;
@@ -38,6 +39,10 @@ ifStatement: If OpenRoundBracket expression ClosedRoundBracket blockStatement;
 elseIfStatement: Else If OpenRoundBracket expression ClosedRoundBracket blockStatement;
 elseStatement: Else blockStatement;
 
+switchStatement: Switch OpenRoundBracket expression ClosedRoundBracket OpenCurlyBracket caseStatement+ defaultStatement? ClosedCurlyBracket;
+caseStatement: Case value Colon statement*;
+defaultStatement: Default Colon statement*;
+
 statementExpression: assign | newDeclaration | methodCall | crementExpression;
 assign: assignableExpression Assign expression;
 newDeclaration: New Identifier OpenRoundBracket argumentList ClosedRoundBracket;
@@ -153,6 +158,10 @@ Else: 'else';
 For: 'for';
 Return: 'return';
 New: 'new';
+Switch: 'switch';
+Case: 'case';
+Default: 'default';
+Colon: ':';
 
 // Werte
 CharValue: '\'' ~[\r\n]* '\'';

src/main/java/semantic/SemanticAnalyzer.java

@@ -166,7 +166,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(FieldNode toCheck) {
         if (toCheck.type instanceof ReferenceType referenceType) {
-            if(!context.containsClass(referenceType.getIdentifier())){
+            if (!context.containsClass(referenceType.getIdentifier())) {
                 errors.add(new NotDeclaredException(referenceType.getIdentifier() + " not declared"));
             }
         }
@@ -233,7 +233,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
         }
         for (IStatementNode statementNode : blockNode.statements) {
             var result = statementNode.accept(this);
-            if(!(statementNode instanceof IncrementNode) && !(statementNode instanceof DecrementNode)){
+            if (!(statementNode instanceof IncrementNode) && !(statementNode instanceof DecrementNode)) {
                 if (result.getType() != null) {
                     if (blockReturnType == null) {
                         blockReturnType = result.getType();
@@ -253,11 +253,16 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
         if (toCheck.memberAccess != null) {
             var result = toCheck.memberAccess.accept(this);
+            toCheck.identifier = toCheck.memberAccess.identifiers.getLast();
             toCheck.setTypeNode(result.getType());
             return result;
         } else {
             if (currentFields.get(toCheck.identifier) != null) {
                 var type = currentFields.get(toCheck.identifier);
+                MemberAccessNode memberAccessNode = new MemberAccessNode(false);
+                memberAccessNode.identifiers.add(currentClass.identifier);
+                memberAccessNode.identifiers.add(toCheck.identifier);
+                toCheck.memberAccess = memberAccessNode;
                 toCheck.setTypeNode(type);
                 return new TypeCheckResult(true, type);
             } else if (currentScope.getLocalVar(toCheck.identifier) != null) {
@@ -312,52 +317,84 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(IfElseNode toCheck) {
         var resultIf = toCheck.ifStatement.accept(this);
-        var resultElse = toCheck.elseStatement.accept(this);
+        if(toCheck.elseStatement != null){
+            var resultElse = toCheck.elseStatement.accept(this);
+            return new TypeCheckResult(resultIf.isValid() && resultElse.isValid(), new BaseType(TypeEnum.VOID));
+        }
 
-        return new TypeCheckResult(resultIf.isValid() && resultElse.isValid(), new BaseType(TypeEnum.VOID));
+
+        return new TypeCheckResult(resultIf.isValid(), new BaseType(TypeEnum.VOID));
     }
 
     @Override
     public TypeCheckResult analyze(MethodCallNode toCheck) {
 
-        if (toCheck.target.identifier != null) {
-            var targetType = currentScope.getLocalVar(toCheck.target.identifier);
-            if (targetType == null) {
-                targetType = currentFields.get(toCheck.target.identifier);
+        if (toCheck.target != null) {
+            if(toCheck.target.memberAccess == null){
+                MemberAccessNode memberAccessNode = new MemberAccessNode(false);
+                memberAccessNode.identifiers.add(currentClass.identifier);
+                memberAccessNode.identifiers.add(toCheck.target.identifier);
+                toCheck.target.memberAccess = memberAccessNode;
             }
-            if (targetType instanceof ReferenceType reference) {
-                if (!toCheck.chainedMethods.isEmpty()) {
-                    for (ChainedMethodNode chainedMethod : toCheck.chainedMethods) {
-                        var type = getTypeFromMethod(chainedMethod, reference);
-                        if (type instanceof ReferenceType referenceType)
-                            reference = referenceType;
-                        else
-                            errors.add(new TypeMismatchException("Ein Basetyp hat keine funktionen"));
+            if (toCheck.target.identifier != null) {
+                var targetType = currentScope.getLocalVar(toCheck.target.identifier);
+                if (targetType == null) {
+                    targetType = currentFields.get(toCheck.target.identifier);
+                }
+                if (targetType instanceof ReferenceType reference) {
+                    if (!toCheck.chainedMethods.isEmpty()) {
+                        for (ChainedMethodNode chainedMethod : toCheck.chainedMethods) {
+                            var type = getTypeFromMethod(chainedMethod, reference);
+                            if (type instanceof ReferenceType referenceType)
+                                reference = referenceType;
+                            else
+                                errors.add(new TypeMismatchException("Ein Basetyp hat keine funktionen"));
+                        }
+                    }
+                    var type = getTypeFromMethod(toCheck, reference);
+                    if (type != null) {
+                        return new TypeCheckResult(true, type);
+                    } else {
+                        return new TypeCheckResult(false, null);
+                    }
+
+                }
+            } else {
+                if (toCheck.target.thisTar != null) {
+                    if (toCheck.target.thisTar) {
+                        var type = getTypeFromMethod(toCheck, new ReferenceType(currentClass.identifier));
+                        if (type != null) {
+                            return new TypeCheckResult(true, type);
+                        }
+                    }
+                } else {
+                    var result = toCheck.target.accept(this);
+                    if (result.getType() instanceof ReferenceType reference) {
+                        return new TypeCheckResult(true, getTypeFromMethod(toCheck, reference));
                     }
                 }
-                var type = getTypeFromMethod(toCheck, reference);
-                if (type != null) {
-                    return new TypeCheckResult(true, type);
-                } else {
-                    return new TypeCheckResult(false, null);
-                }
-
             }
         } else {
-            if (toCheck.target.thisTar != null) {
-            if (toCheck.target.thisTar) {
-                var type = getTypeFromMethod(toCheck, new ReferenceType(currentClass.identifier));
-                if (type != null) {
-                    return new TypeCheckResult(true, type);
+
+            ReferenceType reference = new ReferenceType(currentClass.identifier);
+            if (!toCheck.chainedMethods.isEmpty()) {
+                for (ChainedMethodNode chainedMethod : toCheck.chainedMethods) {
+                    var type = getTypeFromMethod(chainedMethod, reference);
+                    if (type instanceof ReferenceType referenceType)
+                        reference = referenceType;
+                    else
+                        errors.add(new TypeMismatchException("Ein Basetyp hat keine funktionen"));
                 }
             }
+            var type = getTypeFromMethod(toCheck, reference);
+            if (type != null) {
+                return new TypeCheckResult(true, type);
             } else {
-                var result = toCheck.target.accept(this);
-                if (result.getType() instanceof ReferenceType reference) {
-                    return new TypeCheckResult(true, getTypeFromMethod(toCheck, reference));
-                }
+                return new TypeCheckResult(false, null);
             }
+
         }
+
         return new TypeCheckResult(false, null);
     }
 
@@ -422,6 +459,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
                     case PLUS, MINUS:
                         if (calcRes.getType() instanceof BaseType calcType && dotRes.getType() instanceof BaseType dotType &&
                                 calcType.getTypeEnum().equals(TypeEnum.INT) && dotType.getTypeEnum().equals(TypeEnum.INT)) {
+                            calcNode.setType(new BaseType(TypeEnum.INT));
                             return new TypeCheckResult(true, new BaseType(TypeEnum.INT));
                         }
                         break;
@@ -429,10 +467,12 @@ public class SemanticAnalyzer implements SemanticVisitor {
                 }
 
             } else {
+                calcNode.setType(calcNode.getType());
                 return new TypeCheckResult(calcRes.isValid(), calcRes.getType());
             }
         } else if (calcNode.dotExpression != null) {
             var dotRes = calcNode.dotExpression.accept(this);
+            calcNode.setType(dotRes.getType());
             return new TypeCheckResult(dotRes.isValid(), dotRes.getType());
         }
         return new TypeCheckResult(false, null);
@@ -441,7 +481,9 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(DotNode toCheck) {
         if (toCheck.dotSubstractionExpression != null) {
-            return toCheck.dotSubstractionExpression.accept(this);
+            var result = toCheck.dotSubstractionExpression.accept(this);
+            toCheck.setType(result.getType());
+            return result;
         }
         return new TypeCheckResult(false, null);
     }
@@ -449,19 +491,35 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(DotSubstractionNode toCheck) {
         if (toCheck.value != null) {
-            return toCheck.value.accept(this);
+            var result = toCheck.value.accept(this);
+            toCheck.setType(result.getType());
+            return result;
         } else if (toCheck.memberAccess != null) {
-            return toCheck.memberAccess.accept(this);
+            var result = toCheck.memberAccess.accept(this);
+            toCheck.setType(result.getType());
+            return result;
         } else if (toCheck.methodCall != null) {
-            return toCheck.methodCall.accept(this);
+            var result = toCheck.methodCall.accept(this);
+            toCheck.setType(result.getType());
+            return result;
         } else if (toCheck.identifier != null) {
             if (currentScope.contains(toCheck.identifier)) {
-                return new TypeCheckResult(true, currentScope.getLocalVar(toCheck.identifier));
+                var type = currentScope.getLocalVar(toCheck.identifier);
+                toCheck.setType(type);
+                return new TypeCheckResult(true, type);
             } else if (currentFields.get(toCheck.identifier) != null) {
-                return new TypeCheckResult(true, currentFields.get(toCheck.identifier));
+                var type = currentFields.get(toCheck.identifier);
+                toCheck.setType(type);
+                MemberAccessNode memberAccessNode = new MemberAccessNode(false);
+                memberAccessNode.identifiers.add(currentClass.identifier);
+                memberAccessNode.identifiers.add(toCheck.identifier);
+                toCheck.memberAccess = memberAccessNode;
+                return new TypeCheckResult(true, type);
             }
         } else if (toCheck.calculationExpression != null) {
-            return toCheck.calculationExpression.accept(this);
+            var result = toCheck.calculationExpression.accept(this);
+            toCheck.setType(result.getType());
+            return result;
         }
         return null;
     }
@@ -481,8 +539,8 @@ public class SemanticAnalyzer implements SemanticVisitor {
                 }
                 break;
             case OR, AND:
-                if (expResult.getType() instanceof BaseType expResultType && expResultType.getTypeEnum().equals(TypeEnum.INT) &&
-                        unaryResult.getType() instanceof BaseType unaryResultType && unaryResultType.getTypeEnum().equals(TypeEnum.INT)) {
+                if (expResult.getType() instanceof BaseType expResultType && expResultType.getTypeEnum().equals(TypeEnum.BOOL) &&
+                        unaryResult.getType() instanceof BaseType unaryResultType && unaryResultType.getTypeEnum().equals(TypeEnum.BOOL)) {
                     return new TypeCheckResult(true, new BaseType(TypeEnum.BOOL));
                 } else {
                     errors.add(new TypeMismatchException("Both types must be Boolean"));
@@ -506,9 +564,17 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
         if (unary.identifier != null) {
             if (currentScope.contains(unary.identifier)) {
-                return new TypeCheckResult(valid, currentScope.getLocalVar(unary.identifier));
+                var type = currentScope.getLocalVar(unary.identifier);
+                unary.setType(type);
+                return new TypeCheckResult(valid, type);
             } else if (currentFields.get(unary.identifier) != null) {
-                return new TypeCheckResult(valid, currentFields.get(unary.identifier));
+                MemberAccessNode memberAccessNode = new MemberAccessNode(false);
+                memberAccessNode.identifiers.add(currentClass.identifier);
+                memberAccessNode.identifiers.add(unary.identifier);
+                unary.memberAccess = memberAccessNode;
+                var type = currentFields.get(unary.identifier);
+                unary.setType(type);
+                return new TypeCheckResult(valid,type );
             } else if (unary.statement != null) {
                 var result = unary.statement.accept(this);
                 unary.setType(result.getType());
@@ -518,15 +584,19 @@ public class SemanticAnalyzer implements SemanticVisitor {
             }
         } else if (unary.statement != null) {
             var result = unary.statement.accept(this);
+            unary.setType(result.getType());
             return new TypeCheckResult(result.isValid(), result.getType());
         } else if (unary.value != null) {
             var result = unary.value.accept(this);
+            unary.setType(result.getType());
             return new TypeCheckResult(result.isValid(), result.getType());
         } else if (unary.memberAccess != null) {
             var result = unary.memberAccess.accept(this);
+            unary.setType(result.getType());
             return new TypeCheckResult(result.isValid(), result.getType());
         } else if (unary.expression != null) {
             var result = unary.expression.accept(this);
+            unary.setType(result.getType());
             return new TypeCheckResult(result.isValid(), result.getType());
         }
 
@@ -537,8 +607,20 @@ public class SemanticAnalyzer implements SemanticVisitor {
     public TypeCheckResult analyze(MemberAccessNode memberAccessNode) {
 
         ITypeNode currentType = null;
+        int start = 0;
+        if(!memberAccessNode.identifiers.isEmpty()){
+            if(currentFields.get(memberAccessNode.identifiers.getFirst()) != null){
+                memberAccessNode.identifiers.addFirst(currentClass.identifier);
+                start++;
+            }
+        }
+        if(context.getClasses().get(memberAccessNode.identifiers.getFirst()) == null){
+            memberAccessNode.identifiers.addFirst(currentClass.identifier);
+            start++;
+        }
+        for (int i = start; i < memberAccessNode.identifiers.size(); i++) {
 
-        for (String s : memberAccessNode.identifiers) {
+            String s = memberAccessNode.identifiers.get(i);
             if (currentType == null) {
                 if (currentScope.getLocalVar(s) != null) {
                     currentType = currentScope.getLocalVar(s);
@@ -553,7 +635,8 @@ public class SemanticAnalyzer implements SemanticVisitor {
             } else {
                 if (currentType instanceof ReferenceType reference) {
                     var currentTypeClass = context.getClass(reference.getIdentifier());
-
+                    memberAccessNode.identifiers.add(i, reference.getIdentifier());
+                    i++;
                     var currentField = currentTypeClass.getField(s);
                     if (currentField.getAccessModifier().accessType == EnumAccessModifierNode.PUBLIC) {
                         currentType = currentField.getType();
@@ -574,6 +657,11 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
         if (targetNode.memberAccess != null) {
             return targetNode.memberAccess.accept(this);
+        } else if(targetNode.identifier != null) {
+            MemberAccessNode memberAccessNode = new MemberAccessNode(false);
+            memberAccessNode.identifiers.add(currentClass.identifier);
+            memberAccessNode.identifiers.add(targetNode.identifier);
+            targetNode.memberAccess = memberAccessNode;
         }
         return null;
     }

src/main/resources/input/CompilerInput.java

@@ -8,7 +8,6 @@ public class Node {
     public void main() {
         Compiler compiler = new Compiler();
         int i = compiler.add(5, 8);
-        return i;
     }
 }
 

src/test/Makefile

@@ -10,13 +10,7 @@ compile-javac:
 compile-raupenpiler:
 	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 ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
-
-test: compile-javac compile-raupenpiler test-javac test-raupenpiler
-
-test-javac:
-	# gleich wie bei raupenpiler, kann ich ohne funktionierenden Compiler nicht testen
-
+	# cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
 
 test-raupenpiler:
 	# move the compiled class to the test/main folder
@@ -29,17 +23,19 @@ test-raupenpiler:
 
 
 clean:
-	# clean output folders
+	# clean main output folders
 	rm -f ../main/resources/output/*.class
 	rm -f ../main/resources/output/*.jar
+	# clean resources output folders
 	rm -f ./resources/output/javac/*.class
 	rm -f ./resources/output/raupenpiler/*.class
+	rm -f ./resources/output/raupenpiler/*.jar
 	# clean logs
-	rm -f ../main/resources/logs/*.log
+	rm -f ../main/resources/logs/*
 	# clean test/java/main folders from .class files for End-to-End tests
 	rm -f ./java/main/*.class
-	# clean javac output from combinedFeatureTests
-	rm -f ./resources/input/combinedFeatureTests/*.class
-	rm -f ./resources/input/singleFeatureTests/*.class
-	rm -f ./resources/input/typedAstFeatureTests/*.class
+	# clean javac output from every folder
+	rm -f ./resources/input/*/*.class
+	# clean test results from maven surefire plugin
+	rm -f ../../target/surefire-reports/*.txt
 

src/test/java/main/InputFilesTest.java

@@ -1,5 +1,6 @@
 package main;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import javax.tools.JavaCompiler;
@@ -26,13 +27,17 @@ public class InputFilesTest {
         // Assert that the compiler is available
         assertNotNull(javac, "Java Compiler is not available");
 
-        File folder1 = new File("src/test/resources/input/combinedFeatureTests");
-        File folder2 = new File("src/test/resources/input/singleFeatureTests");
-        File folder3 = new File("src/test/resources/input/typedAstFeatureTests");
+        File combinedFeatureTests = new File("src/test/resources/input/combinedFeatureTests");
+        File endabgabeTests = new File("src/test/resources/input/endabgabeTests");
+        File singleFeatureSemanticTests = new File("src/test/resources/input/singleFeatureSemanticTests");
+        File singleFeatureTests = new File("src/test/resources/input/singleFeatureTests");
+        File typedAstFeatureTests = new File("src/test/resources/input/typedAstFeatureTests");
 
-        List<File> files = getJavaFilesFromDirectory(folder1);
-        files.addAll(getJavaFilesFromDirectory(folder2));
-        files.addAll(getJavaFilesFromDirectory(folder3));
+        List<File> files = getJavaFilesFromDirectory(combinedFeatureTests);
+        // files.addAll(getJavaFilesFromDirectory(endabgabeTests));
+        // files.addAll(getJavaFilesFromDirectory(singleFeatureSemanticTests));
+        files.addAll(getJavaFilesFromDirectory(singleFeatureTests));
+        // files.addAll(getJavaFilesFromDirectory(typedAstFeatureTests));
 
         if (!files.isEmpty()) {
             for (File file : files) {
@@ -47,6 +52,133 @@ public class InputFilesTest {
         }
     }
 
+    @Test
+    public void areCombinedFeatureTestsValid() throws IOException {
+        // Get the system Java compiler
+        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
+        // Assert that the compiler is available
+        assertNotNull(javac, "Java Compiler is not available");
+
+        File combinedFeatureTests = new File("src/test/resources/input/combinedFeatureTests");
+
+        List<File> files = getJavaFilesFromDirectory(combinedFeatureTests);
+
+        if (!files.isEmpty()) {
+            for (File file : files) {
+                // Try to compile the file and get the result
+                int result = javac.run(null, null, null, file.getPath());
+
+                // Assert that the compilation succeeded (i.e., the result is zero)
+                assertEquals(0, result, "Expected compilation success for " + file.getName());
+            }
+        } else {
+            System.out.println("No files found in the directories.");
+        }
+    }
+
+    @Test
+    @Disabled
+    public void areEndabgabeTestsActuallyValid() throws IOException {
+        // Get the system Java compiler
+        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
+        // Assert that the compiler is available
+        assertNotNull(javac, "Java Compiler is not available");
+
+        File endabgabeTests = new File("src/test/resources/input/endabgabeTests");
+
+        List<File> files = getJavaFilesFromDirectory(endabgabeTests);
+
+        if (!files.isEmpty()) {
+            for (File file : files) {
+                // Try to compile the file and get the result
+                int result = javac.run(null, null, null, file.getPath());
+
+                // Assert that the compilation succeeded (i.e., the result is zero)
+                assertEquals(0, result, "Expected compilation success for " + file.getName());
+            }
+        } else {
+            System.out.println("No files found in the directories.");
+        }
+    }
+
+    @Test
+    @Disabled
+    public void areSingleFeatureSemanticTestsActuallyValid() throws IOException {
+        // Get the system Java compiler
+        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
+        // Assert that the compiler is available
+        assertNotNull(javac, "Java Compiler is not available");
+
+        File singleFeatureSemanticTests = new File("src/test/resources/input/singleFeatureSemanticTests");
+
+        List<File> files = getJavaFilesFromDirectory(singleFeatureSemanticTests);
+
+        if (!files.isEmpty()) {
+            for (File file : files) {
+                // Try to compile the file and get the result
+                int result = javac.run(null, null, null, file.getPath());
+
+                // Assert that the compilation succeeded (i.e., the result is zero)
+                assertEquals(0, result, "Expected compilation success for " + file.getName());
+            }
+        } else {
+            System.out.println("No files found in the directories.");
+        }
+    }
+
+
+    @Test
+    public void areSingleFeatureTestsActuallyValid() throws IOException {
+        // Get the system Java compiler
+        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
+        // Assert that the compiler is available
+        assertNotNull(javac, "Java Compiler is not available");
+
+        File singleFeatureTests = new File("src/test/resources/input/singleFeatureTests");
+
+        List<File> files = getJavaFilesFromDirectory(singleFeatureTests);
+
+        if (!files.isEmpty()) {
+            for (File file : files) {
+                // Try to compile the file and get the result
+                int result = javac.run(null, null, null, file.getPath());
+
+                // Assert that the compilation succeeded (i.e., the result is zero)
+                assertEquals(0, result, "Expected compilation success for " + file.getName());
+            }
+        } else {
+            System.out.println("No files found in the directories.");
+        }
+    }
+
+
+    @Test
+    @Disabled
+    public void areTypedAstFeatureTestsActuallyValid() throws IOException {
+        // Get the system Java compiler
+        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
+        // Assert that the compiler is available
+        assertNotNull(javac, "Java Compiler is not available");
+
+        File typedAstFeatureTests = new File("src/test/resources/input/typedAstFeatureTests");
+
+        List<File> files = getJavaFilesFromDirectory(typedAstFeatureTests);
+
+        if (!files.isEmpty()) {
+            for (File file : files) {
+                // Try to compile the file and get the result
+                int result = javac.run(null, null, null, file.getPath());
+
+                // Assert that the compilation succeeded (i.e., the result is zero)
+                assertEquals(0, result, "Expected compilation success for " + file.getName());
+            }
+        } else {
+            System.out.println("No files found in the directories.");
+        }
+    }
+
+
+
 
     /**
      * This test method checks if invalid Java files fail to compile as expected.

src/test/java/main/MainTest.java

@@ -1,28 +1,25 @@
 package main;
 
-import org.junit.jupiter.api.Test;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.CharStreams;
-
-import java.io.IOException;
-import java.nio.file.Paths;
-
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import parser.ParserTest;
+import parser.ScannerTest;
+import semantic.EndToTypedAstTest;
+import semantic.SemanticTest;
 
 /**
- * run every test: mvn test
- * Nutzen dieser Klasse: Eigentlich nicht vorhanden, in der Main gibts nichts zu testen
+ * This class is a test suite that runs all the test classes in the project.
+ * <p> run: <code> mvn test </code>
+ * <p> check results in console or <code> target/surefire-reports </code>
  */
+@RunWith(Suite.class)
+@Suite.SuiteClasses({
+        InputFilesTest.class,
+        ScannerTest.class,
+        ParserTest.class,
+        SemanticTest.class,
+        EndToTypedAstTest.class
+})
 public class MainTest {
-    @Test
-    void test() {
-        CharStream codeCharStream = null;
-        try {
-            codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/CompilerInput.java"));
-            Main.compileFile(codeCharStream, "src/main/test/resources/output");
-        } catch (IOException e) {
-            System.err.println("Error reading the file: " + e.getMessage());
-        }
-    }
+    // This class remains empty, it is used only as a holder for the above annotations
 }
-
-

src/test/java/main/ReflectionsTest.java

@@ -1,145 +0,0 @@
-package main;
-
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.List;
-
-import org.antlr.v4.runtime.CharStream;
-import org.junit.jupiter.api.Test;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-
-public class ReflectionsTest {
-
-    @Test
-    public void testSimpleJavaLexerClass() throws ClassNotFoundException, NoSuchMethodException {
-        Class<?> clazz = Class.forName("parser.generated.SimpleJavaLexer");
-
-        // Class Name
-        assertEquals("parser.generated.SimpleJavaLexer", clazz.getName());
-
-        // Constructors
-        Constructor<?>[] actualConstructors = clazz.getDeclaredConstructors();
-        assertTrue(actualConstructors.length > 0, "No constructors found");
-
-        Constructor<?> expectedConstructor = clazz.getConstructor(CharStream.class);
-
-        boolean constructorFound = false;
-        for (Constructor<?> constructor : actualConstructors) {
-            if (constructor.equals(expectedConstructor)) {
-                constructorFound = true;
-                break;
-            }
-        }
-        assertTrue(constructorFound, "Expected constructor not found in actual constructors");
-
-
-
-        // Methods
-        Method[] actualMethodNames = clazz.getDeclaredMethods();
-        assertTrue(actualMethodNames.length > 0);
-        Arrays.stream(actualMethodNames).forEach(method -> System.out.println("Method: " + method.getName()));
-
-        List<String> expectedMethodNames = Arrays.asList(
-                "getTokenNames",
-                "getVocabulary",
-                "getGrammarFileName",
-                "getRuleNames",
-                "getSerializedATN",
-                "getChannelNames",
-                "getModeNames",
-                "getATN",
-                "makeRuleNames",
-                "makeLiteralNames",
-                "makeSymbolicNames"
-        );
-
-        for (Method method : actualMethodNames) {
-            assertTrue(expectedMethodNames.contains(method.getName()));
-        }
-
-        for (String expectedMethodName : expectedMethodNames) {
-            boolean methodFound = false;
-            for (Method method : actualMethodNames) {
-                if (method.getName().equals(expectedMethodName)) {
-                    methodFound = true;
-                    break;
-                }
-            }
-            assertTrue(methodFound, "Expected method " + expectedMethodName + " not found in actual methods");
-        }
-
-
-        // Fields
-        Field[] actualFieldNames = clazz.getDeclaredFields();
-        assertTrue(actualFieldNames.length > 0);
-        Arrays.stream(actualFieldNames).forEach(field -> System.out.println("Field: " + field.getName()));
-
-        List<String> expectedFieldNames = Arrays.asList(
-                "_decisionToDFA",
-                "_sharedContextCache",
-                "channelNames",
-                "modeNames",
-                "ruleNames",
-                "_LITERAL_NAMES",
-                "_SYMBOLIC_NAMES",
-                "VOCABULARY",
-                "tokenNames",
-                "_serializedATN",
-                "_ATN"
-        );
-
-        for (Field field : actualFieldNames) {
-            assertTrue(expectedFieldNames.contains(field.getName()));
-        }
-    }
-
-    @Test
-    public void testSimpleJavaParserClass() throws ClassNotFoundException {
-        Class<?> clazz = Class.forName("parser.generated.SimpleJavaParser");
-
-        // Class Name
-        assertEquals("parser.generated.SimpleJavaParser", clazz.getName());
-
-        // Constructors
-        Constructor<?>[] constructors = clazz.getDeclaredConstructors();
-        assertTrue(constructors.length > 0);
-
-        // Methods
-        Method[] methods = clazz.getDeclaredMethods();
-        assertTrue(methods.length > 0);
-        Arrays.stream(methods).forEach(method -> System.out.println("Method: " + method.getName()));
-
-        // Fields
-        Field[] fields = clazz.getDeclaredFields();
-        assertTrue(fields.length > 0);
-        Arrays.stream(fields).forEach(field -> System.out.println("Field: " + field.getName()));
-    }
-
-    @Test
-    public void testASTBuilderClass() throws ClassNotFoundException {
-        Class<?> clazz = Class.forName("parser.astBuilder.ASTBuilder");
-
-        // Class Name
-        assertEquals("parser.astBuilder.ASTBuilder", clazz.getName());
-
-        // Constructors
-        Constructor<?>[] constructors = clazz.getDeclaredConstructors();
-        assertTrue(constructors.length > 0);
-
-        // Methods
-        Method[] methods = clazz.getDeclaredMethods();
-        assertTrue(methods.length > 0);
-        Arrays.stream(methods).forEach(method -> System.out.println("Method: " + method.getName()));
-
-        // Fields
-        Field[] fields = clazz.getDeclaredFields();
-        assertTrue(fields.length > 0);
-        Arrays.stream(fields).forEach(field -> System.out.println("Field: " + field.getName()));
-    }
-
-    // Similarly, you can add tests for SemanticAnalyzer and ByteCodeGenerator
-}

src/test/java/parser/AstBuilderTest.java

@@ -1,42 +1,34 @@
 package parser;
 
-
 import ast.ASTNode;
 import ast.ClassNode;
 import ast.ProgramNode;
 import ast.expressions.IExpressionNode;
+import ast.expressions.binaryexpressions.CalculationNode;
+import ast.expressions.binaryexpressions.DotNode;
+import ast.expressions.binaryexpressions.DotSubstractionNode;
+import ast.expressions.binaryexpressions.NonCalculationNode;
 import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.expressions.unaryexpressions.UnaryNode;
-import ast.members.ConstructorNode;
-import ast.members.FieldNode;
-import ast.members.MemberNode;
-import ast.members.MethodNode;
+import ast.members.*;
 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.BlockNode;
-import ast.statements.IStatementNode;
-import ast.statements.ReturnNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
 import ast.type.AccessModifierNode;
 import ast.type.EnumValueNode;
 import ast.type.ValueNode;
 import ast.type.type.BaseType;
-import ast.type.type.ITypeNode;
+import ast.type.type.ReferenceType;
 import ast.type.type.TypeEnum;
-import com.fasterxml.jackson.annotation.JsonFormat;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.CharStreams;
-import org.antlr.v4.runtime.CommonTokenStream;
-import org.antlr.v4.runtime.tree.ParseTree;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
-import parser.astBuilder.ASTBuilder;
-import parser.generated.SimpleJavaLexer;
-import parser.generated.SimpleJavaParser;
-
-import java.io.IOException;
-import java.lang.reflect.Member;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -330,7 +322,7 @@ class AstBuilderTest {
         ConstructorNode constructor = new ConstructorNode("public", "Null", blockCon);
 
         ClassNode class1 = new ClassNode("public", "Null");
-        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new ReferenceType("Null"), "a"));
         class1.addMember(constructor);
 
         ProgramNode expected = new ProgramNode();
@@ -342,67 +334,359 @@ class AstBuilderTest {
     }
 
     @Test
-    @DisplayName("Self Reference Test")
-    public void selfReferneceTest() {
+    @DisplayName("If Test")
+    public void ifTest() {
+        BlockNode block = new BlockNode();
+        block.addStatement(new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "intValue", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode ifBlock = new BlockNode();
+        ifBlock.addStatement(new DecrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+        block.addStatement(new IfElseNode(new IfNode(new NonCalculationNode(new UnaryNode("intValue"), "==", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))), ifBlock), null));
+
+        block.addStatement(new ReturnNode(null));
+
+        ConstructorNode constructor = new ConstructorNode("public", "If", block);
+
+        ClassNode class1 = new ClassNode("public", "If");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "If.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+    }
+
+    @Test
+    @DisplayName("If Else Test")
+    public void ifElseTest() {
+        BlockNode block = new BlockNode();
+        block.addStatement(new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "intValue", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))));
+
+        BlockNode ifBlock = new BlockNode();
+        ifBlock.addStatement(new DecrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+        BlockNode elseBlock = new BlockNode();
+        elseBlock.addStatement(new IncrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+        block.addStatement(new IfElseNode(new IfNode(new NonCalculationNode(new UnaryNode("intValue"), "==", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))), ifBlock), new ElseNode(elseBlock)));
+
+        block.addStatement(new ReturnNode(null));
+
+        ConstructorNode constructor = new ConstructorNode("public", "IfElse", block);
+
+        ClassNode class1 = new ClassNode("public", "IfElse");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "IfElse.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+    }
+
+    @Test
+    @DisplayName("If Else If ElseTest")
+    public void ifElseIfElseTest() {
+        BlockNode block = new BlockNode();
+        block.addStatement(new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "intValue", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))));
+
+        BlockNode ifBlock = new BlockNode();
+        ifBlock.addStatement(new DecrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+        BlockNode elseBlock = new BlockNode();
+        elseBlock.addStatement(new IncrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+
+        IfElseNode ifElseStatement = new IfElseNode(new IfNode(new NonCalculationNode(new UnaryNode("intValue"), "==", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "5"))), ifBlock), new ElseNode(elseBlock));
+
+        BlockNode ifElseBlock = new BlockNode();
+        ifElseBlock.addStatement(new IncrementNode(CrementType.SUFFIX, new AssignableNode("intValue")));
+        ifElseStatement.addElseIfStatement(new IfNode(new NonCalculationNode(new UnaryNode("intValue"), "==", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "4"))), ifElseBlock));
+
+        block.addStatement(ifElseStatement);
+
+        block.addStatement(new ReturnNode(null));
+
+        ConstructorNode constructor = new ConstructorNode("public", "IfElseIfElse", block);
+
+        ClassNode class1 = new ClassNode("public", "IfElseIfElse");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "IfElseIfElse.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+    }
+
+    @Test
+    @DisplayName("Self Reference Test")
+    public void selfReferneceTest(){
+
+        ClassNode testClass = Helper.generateEmptyClass("SelfReference");
+
+        MemberNode testClassObject = new FieldNode(new AccessModifierNode("public"), new ReferenceType("SelfReference"),"selfReference");
+
+        BlockNode testMethod1Block = new BlockNode();
+        testMethod1Block.addStatement(new ReturnNode(new UnaryNode(new MethodCallNode(new TargetNode(true), "testMethod2"))));
+        MethodNode testMethod1 = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod1", testMethod1Block);
+
+        BlockNode testMethod2Block = new BlockNode();
+        testMethod2Block.addStatement(new ReturnNode(new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE,"1"))));
+        MethodNode testMethod2 = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod2", testMethod2Block);
+
+        BlockNode testMethod3Block = new BlockNode();
+        testMethod3Block.addStatement(new LocalVariableDeclarationNode(new ReferenceType("SelfReference"),"selfReference1", "=", new UnaryNode(new NewDeclarationNode("SelfReference")))); // Assing einfach "=" ?
+        MemberAccessNode methodAccess = new MemberAccessNode(false);
+        methodAccess.addIdentifier("selfReference1");
+        methodAccess.addIdentifier("selfReference");
+        TargetNode methodTarget = new TargetNode(methodAccess);
+        testMethod3Block.addStatement(new ReturnNode(new UnaryNode(new MethodCallNode(methodTarget,"testMethod1"))));
+        MethodNode testMethod3 = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod3", testMethod3Block);
+
+        testClass.addMember(testClassObject);
+        testClass.addMember(testMethod1);
+        testClass.addMember(testMethod2);
+        testClass.addMember(testMethod3);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(testClass);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "SelfReference.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Variable Compare Test")
-    public void variableCompareTest() {
+    public void variableCompareTest(){
+        ClassNode class1 = Helper.generateEmptyClass("VariableCompare");
+        UnaryNode trueValue = new UnaryNode(new ValueNode(EnumValueNode.BOOLEAN_VALUE,"true"));
+        UnaryNode falseValue = new UnaryNode(new ValueNode(EnumValueNode.BOOLEAN_VALUE,"false"));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode trueBlock = new BlockNode();
+        trueBlock.addStatement(new ReturnNode(trueValue));
+        MethodNode trueMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "trueMethod", trueBlock);
+
+        BlockNode falseBlock = new BlockNode();
+        falseBlock.addStatement(new ReturnNode(falseValue));
+        MethodNode falseMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "falseMethod", falseBlock);
+
+        BlockNode trueAndTrueBlock = new BlockNode();
+        trueAndTrueBlock.addStatement(new ReturnNode(new NonCalculationNode(trueValue, "&&", trueValue)));
+        MethodNode trueAndTrueMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "trueAndTrueMethod", trueAndTrueBlock);
+
+        BlockNode trueAndFalseBlock = new BlockNode();
+        trueAndFalseBlock.addStatement(new ReturnNode(new NonCalculationNode(trueValue, "&&", falseValue)));
+        MethodNode trueAndFalseMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "trueAndFalseMethod", trueAndFalseBlock);
+
+        BlockNode falseAndFalseBlock = new BlockNode();
+        falseAndFalseBlock.addStatement(new ReturnNode(new NonCalculationNode(falseValue, "&&", falseValue)));
+        MethodNode falseAndFalseMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "falseAndFalseMethod", falseAndFalseBlock);
+
+        BlockNode trueOrTrueBlock = new BlockNode();
+        trueOrTrueBlock.addStatement(new ReturnNode(new NonCalculationNode(trueValue, "||", trueValue)));
+        MethodNode trueOrFalseMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "trueOrTrueMethod", trueOrTrueBlock);
+
+        BlockNode falseOrFalseBlock = new BlockNode();
+        falseOrFalseBlock.addStatement(new ReturnNode(new NonCalculationNode(falseValue, "||", falseValue)));
+        MethodNode falseOrFalseMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "falseOrFalseMethod", falseOrFalseBlock);
+
+        class1.addMember(trueMethod);
+        class1.addMember(falseMethod);
+        class1.addMember(trueAndTrueMethod);
+        class1.addMember(trueAndFalseMethod);
+        class1.addMember(falseAndFalseMethod);
+        class1.addMember(trueOrFalseMethod);
+        class1.addMember(falseOrFalseMethod);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "VariableCompare.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Variable Calculation Test")
-    public void variableCalculationTest() {
+    public void variableCalculationTest(){
+        ClassNode class1 = Helper.generateEmptyClass("VariableCalculation");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode aPlusBBlock = new BlockNode();
+        aPlusBBlock.addStatement(new ReturnNode(new CalculationNode(new CalculationNode(new DotNode(new DotSubstractionNode("a"))), "+", new DotNode(new DotSubstractionNode("b")))));
+        MethodNode aPlusBMethod = new MethodNode("public", new BaseType(TypeEnum.INT), false, "aPlusB", aPlusBBlock);
+        aPlusBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aPlusBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aMinusBBlock = new BlockNode();
+        aMinusBBlock.addStatement(new ReturnNode(new CalculationNode(new CalculationNode(new DotNode(new DotSubstractionNode("a"))), "-", new DotNode(new DotSubstractionNode("b")))));
+        MethodNode aMinusBMethod = new MethodNode("public", new BaseType(TypeEnum.INT), false, "aMinusB", aMinusBBlock);
+        aMinusBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aMinusBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aTimeBBlock = new BlockNode();
+        aTimeBBlock.addStatement(new ReturnNode(new CalculationNode(new DotNode(new DotNode(new DotSubstractionNode("a")), "*", new DotSubstractionNode("b")))));
+        MethodNode aTimeBMethod = new MethodNode("public", new BaseType(TypeEnum.INT), false, "aTimeB", aTimeBBlock);
+        aTimeBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aTimeBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aDivBBlock = new BlockNode();
+        aDivBBlock.addStatement(new ReturnNode(new CalculationNode(new DotNode(new DotNode(new DotSubstractionNode("a")), "/", new DotSubstractionNode("b")))));
+        MethodNode aDivBMethod = new MethodNode("public", new BaseType(TypeEnum.INT), false, "aDivB", aDivBBlock);
+        aDivBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aDivBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode complexCalcBlock = new BlockNode();
+        complexCalcBlock.addStatement(new ReturnNode(new CalculationNode(null, null, new DotNode(new DotNode(new DotNode(new DotNode(new DotSubstractionNode("a")), "*", new DotSubstractionNode("b")), "/", new DotSubstractionNode(new ValueNode(EnumValueNode.INT_VALUE, "1"))), "*", new DotSubstractionNode(new ValueNode(EnumValueNode.INT_VALUE, "3"))))));
+        MethodNode complexCalcMethod = new MethodNode("public", new BaseType(TypeEnum.INT), false, "complexCalc", complexCalcBlock);
+        complexCalcMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        complexCalcMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aSmallerBBlock = new BlockNode();
+        aSmallerBBlock.addStatement(new ReturnNode(new NonCalculationNode(new UnaryNode("a"), "<", new UnaryNode("b"))));
+        MethodNode aSmallerBMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "aSmallerB", aSmallerBBlock);
+        aSmallerBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aSmallerBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aGreaterBBlock = new BlockNode();
+        aGreaterBBlock.addStatement(new ReturnNode(new NonCalculationNode(new UnaryNode("a"), ">", new UnaryNode("b"))));
+        MethodNode aGreaterBMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "aGreaterB", aGreaterBBlock);
+        aGreaterBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aGreaterBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        BlockNode aEqualsBBlock = new BlockNode();
+        aEqualsBBlock.addStatement(new ReturnNode(new NonCalculationNode(new UnaryNode("a"), "==", new UnaryNode("b"))));
+        MethodNode aEqualsBMethod = new MethodNode("public", new BaseType(TypeEnum.BOOL), false, "aEqualsB", aEqualsBBlock);
+        aEqualsBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        aEqualsBMethod.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        class1.addMember(aPlusBMethod);
+        class1.addMember(aMinusBMethod);
+        class1.addMember(aTimeBMethod);
+        class1.addMember(aDivBMethod);
+        class1.addMember(complexCalcMethod);
+        class1.addMember(aSmallerBMethod);
+        class1.addMember(aGreaterBMethod);
+        class1.addMember(aEqualsBMethod);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "VariableCalculation.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Main Method Test")
-    public void mainMethodTest() {
+    public void mainMethodTest(){
+        ClassNode class1 = Helper.generateEmptyClass("MainMethod");
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode block = new BlockNode();
+        block.addStatement(new ReturnNode(null));
+
+        class1.addMember(new MainMethodNode(block));
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "MainMethod.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("While Test")
-    public void whileTest() {
+    public void whileTest(){
+        NonCalculationNode condition = new NonCalculationNode(new UnaryNode("i"), ">", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "0")));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode whileBlock = new BlockNode();
+        whileBlock.addStatement(new DecrementNode(CrementType.SUFFIX, new AssignableNode("i")));
+
+        WhileNode whileStatement = new WhileNode(condition, whileBlock);
+
+        BlockNode blockCon = new BlockNode();
+        blockCon.addStatement(new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "i", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "10"))));
+        blockCon.addStatement(whileStatement);
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+
+        ClassNode class1 = new ClassNode("public", "While");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "While.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("Do While Test")
-    public void doWhileTest() {
+    public void doWhileTest(){
+        NonCalculationNode condition = new NonCalculationNode(new UnaryNode("i"), "<", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "10")));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+        BlockNode whileBlock = new BlockNode();
+        whileBlock.addStatement(new IncrementNode(CrementType.SUFFIX, new AssignableNode("i")));
+
+        WhileNode whileStatement = new WhileNode(condition, whileBlock);
+
+        BlockNode blockDoWhile = new BlockNode();
+        blockDoWhile.addStatement(whileBlock);
+        blockDoWhile.addStatement(whileStatement);
+
+        BlockNode blockCon = new BlockNode();
+        blockCon.addStatement(new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "i", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "0"))));
+        blockCon.addStatement(blockDoWhile);
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+
+        ClassNode class1 = new ClassNode("public", "DoWhile");
+        class1.addMember(constructor);
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "DoWhile.java");
+
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
     @Test
     @DisplayName("For Test")
-    public void forTest() {
+    public void forTest(){
+        LocalVariableDeclarationNode forDeclaration = new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "i", "=", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "0")));
 
-        //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
-    }
+        AssignableNode assignable = new AssignableNode("i");
+        IncrementNode increment = new IncrementNode(CrementType.SUFFIX, assignable);
 
-    //Noch nicht speziell Increment nur zum Development Testen per Debug
-    @Test
-    @DisplayName("Increment Test")
-    public void incrementTest() {
-        ClassNode classNode = Helper.generateEmptyClass("Increment");
-        classNode.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        LocalVariableDeclarationNode declaration = new LocalVariableDeclarationNode(new BaseType(TypeEnum.INT), "a", null, null);
+
+        BlockNode whileBlock = new BlockNode();
+        whileBlock.addStatement(declaration);
+        whileBlock.addStatement(increment);
+
+        WhileNode whileStatement = new WhileNode(new NonCalculationNode(new UnaryNode("i"), "<", new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "10"))), whileBlock);
+
+        BlockNode forStatement = new BlockNode();
+        forStatement.addStatement(forDeclaration);
+        forStatement.addStatement(whileStatement);
+
+        BlockNode blockCon = new BlockNode();
+        blockCon.addStatement(forStatement);
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "TestClass", blockCon);
+
+        ClassNode class1 = new ClassNode("public", "For");
+        class1.addMember(constructor);
 
         ProgramNode expected = new ProgramNode();
-        expected.addClass(classNode);
+        expected.addClass(class1);
+
+        ASTNode actual = Helper.generateAST(directoryPath + "For.java");
 
-        ASTNode actual = Helper.generateAST(directoryPath + "Increment.java");
         assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
-
-
 }

src/test/java/semantic/BeginnToTAST.java

@@ -1,45 +0,0 @@
-package semantic;
-
-import ast.ProgramNode;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.CharStreams;
-import org.antlr.v4.runtime.CommonTokenStream;
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.junit.jupiter.api.Test;
-import parser.astBuilder.ASTBuilder;
-import parser.generated.SimpleJavaLexer;
-import parser.generated.SimpleJavaParser;
-
-import java.io.IOException;
-import java.nio.file.Paths;
-
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-public class BeginnToTAST {
-
-    @Test
-    public void FieldTests() {
-        SemanticAnalyzer.clearAnalyzer();
-
-        CharStream codeCharStream = null;
-        try {
-            codeCharStream = CharStreams.fromPath(Paths.get("src/test/resources/input/johnsTests/FieldTests.java"));
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-        SimpleJavaLexer lexer = new SimpleJavaLexer(codeCharStream);
-        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
-
-        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
-        ParseTree parseTree = parser.program(); // parse the input
-
-        /* ------------------------- AST builder -> AST ------------------------- */
-        ASTBuilder astBuilder = new ASTBuilder();
-        ProgramNode abstractSyntaxTree = (ProgramNode) astBuilder.visit(parseTree);
-
-        var result = SemanticAnalyzer.generateTast(abstractSyntaxTree);
-
-        assertTrue(SemanticAnalyzer.errors.isEmpty());
-    }
-
-}

src/test/java/semantic/EndToTypedAstTest.java

@@ -26,6 +26,8 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.junit.jupiter.api.Test;
+import semantic.exceptions.*;
+import semantic.exceptions.NotDeclaredException;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -152,6 +154,200 @@ public class EndToTypedAstTest {
         }
     }
 
+    /*
+    @Test
+    public void notDeclared() {
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/johnsTests/NotDeclared.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof NotDeclaredException));
+    }*/
+
+    @Test
+    public void typeMismatchTest() {
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/TypeMismatchIntBool.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof TypeMismatchException));
+    }
+
+    @Test
+    public void parameterAlreadyDecleared() {
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/ParameterAlreadyDecleared.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof AlreadyDeclaredException));
+    }
+
+    @Test
+    public void fieldAlreadyDecleared(){
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/FieldAlreadyDecleared.java");
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof AlreadyDeclaredException));
+
+    }
+
+    @Test
+    public void typeMismatchRefType(){
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/TypeMismatchRefType.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof TypeMismatchException));
+    }
+
+    @Test
+    public void correctRetType(){
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/CorrectRetType.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+    }
+
+    @Test
+    public void retTypeMismatch(){
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/RetTypeMismatch.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof TypeMismatchException));
+    }
+
+    @Test
+    public void multipleRetType(){
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/MultipleRetTypes.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof MultipleReturnTypes));
+    }
+
+    @Test
+    public void BothTypesMustBeSameGreaterSmallerEqual(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/BothTypesMustBeSame.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof TypeMismatchException));
+
+    }
+
+    @Test
+    public void NoSuchType(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/ClassNotDeclared.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof NotDeclaredException));
+
+    }
+
+    @Test
+    public void FieldIsNotVisible(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/FieldIsNotVisible.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertTrue(SemanticAnalyzer.errors.stream().anyMatch(c -> c instanceof NotVisibleException));
+
+    }
+
+    @Test
+    public void ChainedMethods(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/ChainedMethods.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+
+    }
+
+    @Test
+    public void VariableCompare(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/VariableCompare.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+
+    }
+
+    @Test
+    public void IfExpressionInt(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/IfExpressionInt.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertInstanceOf(TypeMismatchException.class, SemanticAnalyzer.errors.getFirst());
+
+    }
+
+    @Test
+    public void SelectWrongMethodCauseParameter(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/SelectWrongMethodCauseParameter.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertFalse(SemanticAnalyzer.errors.isEmpty());
+        assertInstanceOf(TypeMismatchException.class, SemanticAnalyzer.errors.getFirst());
+
+    }
+
+    @Test
+    public void SelectRightMethodCauseParameter(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/SelectRightMethodCauseParameter.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+
+    }
+
+    @Test
+    public void VariableCalculation(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/VariableCalculation.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+
+    }
+
+    @Test
+    public void Expression(){
+
+        ASTNode tast = SemanticHelper.generateTypedASTFrom("src/test/resources/input/singleFeatureSemanticTests/Expression.java");
+
+        SemanticAnalyzer.generateTast(tast);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+
+    }
 
     // ------------------ Helpers ------------------
 

src/test/java/semantic/SemanticHelper.java

@@ -0,0 +1,35 @@
+package semantic;
+
+import ast.ASTNode;
+import ast.ProgramNode;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.CharStreams;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.tree.ParseTree;
+import parser.astBuilder.ASTBuilder;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+
+import java.io.IOException;
+
+public class SemanticHelper {
+    public static ASTNode generateTypedASTFrom(String filePath) {
+
+        SemanticAnalyzer.clearAnalyzer();
+
+        CharStream testFile = null;
+        try {
+            testFile = CharStreams.fromFileName(filePath);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        SimpleJavaLexer lexer = new SimpleJavaLexer(testFile);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
+        ParseTree parseTree = parser.program();
+        ASTBuilder astBuilder = new ASTBuilder();
+
+        return (ProgramNode) astBuilder.visit(parseTree);
+    }
+}

src/test/java/semantic/SemanticTest.java

@@ -1,5 +1,441 @@
 package semantic;
 
+import ast.ASTNode;
+import ast.ClassNode;
+import ast.ProgramNode;
+import ast.expressions.IExpressionNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.UnaryNode;
+import ast.members.ConstructorNode;
+import ast.members.FieldNode;
+import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statements.BlockNode;
+import ast.statements.ReturnNode;
+import ast.type.AccessModifierNode;
+import ast.type.EnumValueNode;
+import ast.type.ValueNode;
+import ast.type.type.BaseType;
+import ast.type.type.TypeEnum;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import parser.Helper;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 public class SemanticTest {
 
+    @BeforeEach
+    public void setUp() {
+        SemanticAnalyzer.clearAnalyzer();
+    }
+
+    @Test
+    @DisplayName("Empty Class Test")
+    public void emptyClassTest() {
+        ClassNode emptyClass = Helper.generateEmptyClass("EmptyClass");
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(emptyClass);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+
+    @Test
+    @DisplayName("Multiple Empty Classes Test")
+    public void multipleEmptyClassesTest() {
+        ClassNode class1 = Helper.generateEmptyClass("MultipleClasses");
+        ClassNode class2 = Helper.generateEmptyClass("TestClass2");
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+        abstractSyntaxTree.addClass(class2);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+
+    @Test
+    @DisplayName("Empty Class Test with Constructor")
+    public void emptyClassWithConstructorTest() {
+        ClassNode class1 = Helper.generateEmptyClass("EmptyClassWithConstructor");
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Field Test")
+    public void fieldTest() {
+        ClassNode class1 = Helper.generateEmptyClass("Field");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Field Test with Accessmodifier")
+    public void fieldTestWithModifier() {
+        ClassNode class1 = Helper.generateEmptyClass("FieldWithAccessModifier");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Comments Ignore Test")
+    public void commentsIgnoreTest() {
+        ClassNode class1 = Helper.generateEmptyClass("Comments");
+        class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Constructor Parameter Test")
+    public void constructorParameterTest() {
+        BlockNode block = new BlockNode();
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "ConstructorParameter", block);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
+
+        ClassNode class1 = new ClassNode("public", "ConstructorParameter");
+        class1.addMember(constructor);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("This Dot Test")
+    public void thisDotTest() {
+        BlockNode block = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        ValueNode value = new ValueNode(EnumValueNode.INT_VALUE, "1");
+        IExpressionNode expression = new UnaryNode(value);
+
+        block.addStatement(new AssignNode(assignable, expression));
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "ThisDot", block);
+
+        ClassNode class1 = new ClassNode("public", "ThisDot");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Constructor This Dot Test")
+    public void constructorThisDotTest() {
+        BlockNode block = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        IExpressionNode expression = new UnaryNode("a");
+
+        block.addStatement(new AssignNode(assignable, expression));
+        block.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "ConstructorThisDot", block);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        ClassNode class1 = new ClassNode("public", "ConstructorThisDot");
+        class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Void Methoden Test")
+    public void voidMethodenTest() {
+        ClassNode class1 = Helper.generateEmptyClass("VoidMethod");
+        BlockNode block = new BlockNode();
+        block.addStatement(new ReturnNode(null));
+        class1.addMember(new MethodNode("public", null, true, "test", block));
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Constructor Method call Test")
+    public void constructorMethodCallTest() {
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        IExpressionNode expression = new UnaryNode(new MethodCallNode(null, "testMethod"));
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "ConstructorMethodCall", blockCon);
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "1"))));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
+
+        ClassNode class1 = new ClassNode("public", "ConstructorMethodCall");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Constructor Method call Parameters Test")
+    public void constructorMethodCallParametersTest() {
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
+        methodCall.addExpression(new UnaryNode("a"));
+        IExpressionNode expression = new UnaryNode(methodCall);
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "ConstructorMethodCallParameters", blockCon);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
+        method.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
+
+        ClassNode class1 = new ClassNode("public", "ConstructorMethodCallParameters");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Char Test")
+    public void charTest() {
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
+        methodCall.addExpression(new UnaryNode("a"));
+        IExpressionNode expression = new UnaryNode(methodCall);
+
+        blockCon.addStatement(new AssignNode(assignable, expression));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "Char", blockCon);
+        constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
+
+        BlockNode blockMethod = new BlockNode();
+        blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
+        MethodNode method = new MethodNode("public", new BaseType(TypeEnum.CHAR), false, "testMethod", blockMethod);
+        method.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
+
+        ClassNode class1 = new ClassNode("public", "Char");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.CHAR), "a"));
+        class1.addMember(constructor);
+        class1.addMember(method);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Null Test")
+    public void nullTest() {
+        BlockNode blockCon = new BlockNode();
+        MemberAccessNode memberAccess = new MemberAccessNode(true);
+        memberAccess.addIdentifier("a");
+
+        AssignableNode assignable = new AssignableNode(memberAccess);
+
+        blockCon.addStatement(new AssignNode(assignable, new UnaryNode(new ValueNode(EnumValueNode.NULL_VALUE, "null"))));
+        blockCon.addStatement(new ReturnNode(null));
+        ConstructorNode constructor = new ConstructorNode("public", "Null", blockCon);
+
+        ClassNode class1 = new ClassNode("public", "Null");
+        class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+        class1.addMember(constructor);
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(class1);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
+
+    @Test
+    @DisplayName("Self Reference Test")
+    public void selfReferenceTest() {
+
+    }
+
+    @Test
+    @DisplayName("Variable Compare Test")
+    public void variableCompareTest() {
+
+    }
+
+    @Test
+    @DisplayName("Variable Calculation Test")
+    public void variableCalculationTest() {
+
+    }
+
+    @Test
+    @DisplayName("Main Method Test")
+    public void mainMethodTest() {
+
+    }
+
+    @Test
+    @DisplayName("While Test")
+    public void whileTest() {
+
+    }
+
+    @Test
+    @DisplayName("Do While Test")
+    public void doWhileTest() {
+
+    }
+
+    @Test
+    @DisplayName("For Test")
+    public void forTest() {
+
+    }
+
+    @Test
+    @DisplayName("Increment Test")
+    public void incrementTest() {
+        ClassNode classNode = Helper.generateEmptyClass("Increment");
+        classNode.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+
+        ProgramNode abstractSyntaxTree = new ProgramNode();
+        abstractSyntaxTree.addClass(classNode);
+
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        for (Exception runtimeException : SemanticAnalyzer.errors) {
+            runtimeException.printStackTrace();
+        }
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+        assertNotNull(typedAst);
+    }
 }

src/test/resources/input/endabgabeTests/Car.java

@@ -0,0 +1,25 @@
+public class Main {
+    public static void main(String[] args) {
+        Car myCar = new Car(2020);
+        int tires = 0;
+        int year = myCar.getYear();
+
+        if (year == 2020) {
+            tires = 4;
+        } else {
+            tires = 2;
+        }
+    }
+}
+
+class Car {
+    private int year;
+
+    public Car(int year) {
+        this.year = year;
+    }
+
+    public int getYear() {
+        return this.year;
+    }
+}

src/test/resources/input/endabgabeTests/ControlStructures.java

@@ -0,0 +1,36 @@
+public class ControlStructures {
+
+    public int sum(int a, int b) {
+        return a + b;
+    }
+
+    public cahr checkNumber(int num) {
+        if (num > 0) {
+            return "p";
+        } else if (num < 0) {
+            return "n";
+        } else {
+            return "z";
+        }
+    }
+
+    public void printNumbersUpTo(int limit) {
+        int even = 0;
+        int uneven = 0;
+        int i = 0;
+        while (i < limit) {
+            if (i % 2 == 0) {
+                even++;
+            } else {
+                uneven = uneven + 1;
+            }
+            i++;
+        }
+    }
+
+    public static void main(String[] args) {
+        ControlStructures cs = new ControlStructures();
+        cs.printNumbersUpTo(5);
+        int result = cs.sum(5, 5);
+    }
+}

src/test/resources/input/endabgabeTests/Person.java

@@ -0,0 +1,11 @@
+public class Person {
+    private int age;
+
+    public Person(int age) {
+        this.age = age;
+    }
+
+    public int getAge() {
+        return this.age;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/BothTypesMustBeSame.java

@@ -5,5 +5,18 @@ public class AllFeaturesClassExample {
         while (a > bool) {
             a--;
         }
+
+        if (a == bool) {
+
+        } else {
+
+        }
+
+        if (a < bool) {
+
+        } else {
+
+        }
+
     }
 }

src/test/resources/input/singleFeatureSemanticTests/ChainedMethods.java

@@ -0,0 +1,29 @@
+public class Test {
+
+    public House h;
+
+    public int test(House h){
+        return h.getW().getSize();
+    }
+
+
+}
+
+public class House {
+
+    private Window w;
+
+    public Window getW(){
+        return w;
+    }
+
+}
+
+public class Window{
+
+    private int size;
+
+    public int getSize() {
+        return size;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/ClassNotDeclared.java

@@ -4,9 +4,4 @@ public class Test {
     public House1 h;
 
 
-}
-
-public class House {
-
-
 }

src/test/resources/input/singleFeatureSemanticTests/CorrectRetType.java

@@ -0,0 +1,5 @@
+public class CorrectRetType {
+    public static int testMethod(int x){
+        return x;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/Expression.java

@@ -0,0 +1,10 @@
+class VariableCompare{
+
+    void trueMethod(boolean a, int c) {
+        if(a && c == 10){
+
+        }
+    }
+
+
+}

src/test/resources/input/singleFeatureSemanticTests/FieldAlreadyDecleared.java

@@ -0,0 +1,4 @@
+public class FieldAlreadyDecleared {
+    public int a;
+    public int a;
+}

src/test/resources/input/singleFeatureSemanticTests/IfExpressionInt.java

@@ -1,4 +1,3 @@
-// @expected: TypeMismatchException
 public class Test{
 
     public void test(int x){

src/test/resources/input/singleFeatureSemanticTests/MultipleRetTypes.java

@@ -0,0 +1,6 @@
+public class MultipleRetTypes {
+    public static int testMethod(int x, char c){
+        return x;
+        return c;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/NotDeclared.java

@@ -0,0 +1,5 @@
+public class NotDeclared {
+    public void Method() {
+        i = 10;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/ParameterAlreadyDecleared.java

@@ -0,0 +1,3 @@
+public class ParameterAlreadyDecleared {
+    public void Method(int a, int a) {}
+}

src/test/resources/input/singleFeatureSemanticTests/RetTypeMismatch.java

@@ -0,0 +1,5 @@
+public class Example {
+    public static int testMethod(char x){
+        return x;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/SelectRightMethodCauseParameter.java

@@ -0,0 +1,22 @@
+// @expected: TypeMismatchException
+public class Test{
+
+    public int i;
+    public boolean b;
+
+    public int test(){
+
+        return test(b);
+
+    }
+
+    public void test(int a){
+
+    }
+
+    public int test(boolean bool){
+        int ret = 1;
+        return ret;
+    }
+
+}

src/test/resources/input/singleFeatureSemanticTests/SelectWrongMethodCauseParameter.java

@@ -6,7 +6,7 @@ public class Test{
 
     public int test(){
 
-        return this.test(i);
+        return test(i);
 
     }
 
@@ -19,4 +19,4 @@ public class Test{
         return ret;
     }
 
-}
+}

src/test/resources/input/singleFeatureSemanticTests/TypeMismatchIntBool.java

@@ -0,0 +1,6 @@
+public class TypeMismatchIntBool {
+    public void Method() {
+        int intVariable;
+        intVariable = true;
+    }
+}

src/test/resources/input/singleFeatureSemanticTests/TypeMismatchRefType.java

@@ -0,0 +1,13 @@
+public class TypeMismatchRefType {
+    public static int Methode(Class1 class1, Class2 class2){
+        class1 = class2;
+    }
+}
+
+public class Class1{
+    public int a;
+}
+
+public class Class2{
+    public boolean a;
+}

src/test/resources/input/singleFeatureSemanticTests/VariableCalculation.java

@@ -1,4 +1,4 @@
-class VariableCalculationTest{
+class VariableCalculation{
 
     int aPlusB(int a, int b){
         return a + b;
@@ -16,8 +16,8 @@ class VariableCalculationTest{
         return a / b;
     }
 
-    int colmplexCalc (int a, int b){
-        return a * (b / 1);
+    int complexCalc (int a, int b){
+        return a * b / 1 * 3;
     }
 
     boolean aSmallerB (int a, int b){

src/test/resources/input/singleFeatureSemanticTests/VariableCompare.java

@@ -0,0 +1,30 @@
+class VariableCompare{
+
+    boolean trueMethod() {
+        return true;
+    }
+
+    boolean falseMethod(){
+        return false;
+    }
+
+    boolean trueAndTrueMethod(){
+        return true && true;
+    }
+
+    boolean trueAndFalseMethod(){
+        return true && false;
+    }
+
+    boolean falseAndFalseMethod(){
+        return false && false;
+    }
+
+    boolean trueOrTrueMethod(){
+        return true || true;
+    }
+
+    boolean falseOrFalseMethod(){
+        return false || false;
+    }
+}

src/test/resources/input/singleFeatureTests/If.java

@@ -0,0 +1,8 @@
+public class If {
+    public If() {
+        int intValue = 5;
+        if(intValue == 5) {
+            intValue--;
+        }
+    }
+}

src/test/resources/input/singleFeatureTests/IfElse.java

@@ -0,0 +1,10 @@
+public class IfElse {
+    public IfElse() {
+        int intValue = 5;
+        if(intValue == 5) {
+            intValue--;
+        } else {
+            intValue++;
+        }
+    }
+}

src/test/resources/input/singleFeatureTests/IfElseIfElse.java

@@ -0,0 +1,12 @@
+public class IfElseIfElse {
+    public IfElseIfElse() {
+        int intValue = 5;
+        if(intValue == 5) {
+            intValue--;
+        } else if(intValue ==4) {
+            intValue++;
+        } else {
+            intValue++;
+        }
+    }
+}

src/test/resources/input/singleFeatureTests/Null.java

@@ -1,8 +1,8 @@
 class Null{
 
-    int a;
+    Null a;
 
     public Null(){
-      //  this.a = null;
+      this.a = null;
     }
 }

src/test/resources/input/singleFeatureTests/SelfReference.java

@@ -10,7 +10,7 @@ class SelfReference{
         return 1;
     }
 
-    int testMehtod3(){
+    int testMethod3(){
         SelfReference selfReference1 = new SelfReference();
         return selfReference1.selfReference.testMethod1();
     }

src/test/resources/input/singleFeatureTests/VariableCalculation.java

@@ -0,0 +1,34 @@
+class VariableCalculation{
+
+    int aPlusB(int a, int b){
+        return a + b;
+    }
+
+    int aMinusB(int a, int b){
+        return a - b;
+    }
+
+    int aTimeB(int a, int b){
+        return a * b;
+    }
+
+    int aDivB(int a, int b){
+        return a / b;
+    }
+
+    int complexCalc (int a, int b){
+        return a * b / 1 * 3;
+    }
+
+    boolean aSmallerB (int a, int b){
+        return a < b;
+    }
+
+    boolean aGreaterB (int a, int b){
+        return a > b;
+    }
+
+    boolean aEqualsB (int a, int b){
+        return a == b;
+    }
+}

src/test/resources/input/singleFeatureTests/VariableCompare.java

@@ -0,0 +1,30 @@
+class VariableCompare{
+
+    boolean trueMethod() {
+        return true;
+    }
+
+    boolean falseMethod(){
+        return false;
+    }
+
+    boolean trueAndTrueMethod(){
+        return true && true;
+    }
+
+    boolean trueAndFalseMethod(){
+        return true && false;
+    }
+
+    boolean falseAndFalseMethod(){
+        return false && false;
+    }
+
+    boolean trueOrTrueMethod(){
+        return true || true;
+    }
+
+    boolean falseOrFalseMethod(){
+        return false || false;
+    }
+}

src/test/resources/input/singleFeatureTests/VariableCompareTest.java

@@ -1,30 +0,0 @@
-class VariableCompareTest{
-
-    boolean trueMethod(){
-        return true;
-    }
-
-    boolean falseMethod(){
-        return false;
-    }
-
-    boolean trueAndTrue(){
-        return trueMethod() && trueMethod();
-    }
-
-    boolean trueAndFalse(){
-        return trueMethod() && falseMethod();
-    }
-
-    boolean falseAndFalse(){
-        return falseMethod() && falseMethod();
-    }
-
-    boolean trueOrFalse(){
-        return trueMethod() || falseMethod();
-    }
-
-    boolean falseOrFalse(){
-        return falseMethod() || falseMethod();
-    }
-}

src/test/resources/input/typedAstExceptionsTests/CompareBoolInt.java

@@ -1,13 +0,0 @@
-// @expected: TypeMismatchException
-public class Test{
-
-    public void test(boolean b){
-        if(b == 2){
-
-        } else {
-
-        }
-
-    }
-
-}

src/test/resources/input/typedAstExceptionsTests/MissingOverloadingParameter.java

@@ -1,19 +0,0 @@
-// @expected: WrongOverloading
-public class Test{
-
-    public void test(int x){
-
-        if(this.get()){
-
-        } else {
-
-        }
-
-    }
-    public boolean b;
-
-    public boolean get(int c){
-        return b;
-    }
-
-}