.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.idea/misc.xml

@@ -13,6 +13,16 @@
           <option name="language" value="" />
           <option name="generateVisitor" value="true" />
         </PerGrammarGenerationSettings>
+        <PerGrammarGenerationSettings>
+          <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/grammar/SimpleJava.g4" />
+          <option name="autoGen" value="true" />
+          <option name="outputDir" value="C:\Users\Maxi\Documents\DHBW\Compilerbau\NichtHaskell2.0\src\main\java" />
+          <option name="libDir" value="" />
+          <option name="encoding" value="" />
+          <option name="pkg" value="parser.generated" />
+          <option name="language" value="" />
+          <option name="generateVisitor" value="true" />
+        </PerGrammarGenerationSettings>
       </list>
     </option>
   </component>

pom.xml

@@ -28,13 +28,22 @@
             <artifactId>antlr4-runtime</artifactId>
             <version>4.13.1</version>
         </dependency>
-
         <dependency>
             <groupId>org.ow2.asm</groupId>
             <artifactId>asm</artifactId>
             <version>9.7</version>
         </dependency>
-
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.16.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.26.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/ast/ASTNode.java

@@ -1,12 +1,5 @@
 package ast;
 
-//import java.util.List;
-
-public interface ASTNode {
-    /**
-     * Please implement this method to return a list of children of each node.
-     */
-   // public List<ASTNode> getChildren();
-}
+public interface ASTNode { }
 
 

src/main/java/ast/BlockNode.java

@@ -1,4 +0,0 @@
-package ast;
-
-public class BlockNode {
-}

src/main/java/ast/ClassNode.java

@@ -1,28 +1,28 @@
 package ast;
 
+import ast.type.AccessModifierNode;
 import ast.member.ConstructorNode;
 import ast.member.MemberNode;
 import ast.member.MethodNode;
-import ast.type.AccessTypeNode;
-import ast.type.EnumAccessTypeNode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import bytecode.visitor.ClassVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
-public class ClassNode implements ASTNode, Visitable {
-    public String identifier;
-    public AccessTypeNode accessType;
-    public List<MemberNode> members = new ArrayList<>();
-    public boolean hasConstructor = false;
+import java.util.ArrayList;
+import java.util.List;
 
-    public ClassNode(AccessTypeNode accessType, String identifier){
-        this.accessType = accessType;
+public class ClassNode implements ASTNode, Visitable {
+    public AccessModifierNode accessType;
+    public String identifier;
+    public List<MemberNode> members = new ArrayList<>();
+    public boolean hasConstructor;
+
+    public ClassNode() {}
+
+    public ClassNode(String accessType, String identifier){
+        this.accessType = new AccessModifierNode(accessType);
         this.identifier = identifier;
+        hasConstructor = false;
     }
 
     public void addMember(MemberNode member) {
@@ -34,8 +34,8 @@ public class ClassNode implements ASTNode, Visitable {
 
     public void ensureConstructor(){
         if(!hasConstructor) {
-            ConstructorNode constructor = new ConstructorNode(new AccessTypeNode(EnumAccessTypeNode.PUBLIC), identifier);
-            members.add(0,constructor);
+            ConstructorNode constructor = new ConstructorNode(new AccessModifierNode("public"), identifier);
+            members.addFirst(constructor);
         }
     }
 
@@ -54,8 +54,4 @@ public class ClassNode implements ASTNode, Visitable {
         return visitor.analyze(this);
     }
 
-    @Override
-    public void accept(ClassVisitor classVisitor) {
-        classVisitor.visit(this);
-    }
 }

src/main/java/ast/LiteralNode.java

@@ -1,29 +0,0 @@
-package ast;
-
-import ast.expression.ExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class LiteralNode implements ExpressionNode {
-
-  int value;
-  private String type;
-
-  public LiteralNode(int value) {
-    this.value = value;
-  }
-
-  public String getType() {
-    return type;
-  }
-
-  public void setType(String type) {
-    this.type = type;
-  }
-
-
-  @Override
-  public TypeCheckResult accept(SemanticVisitor visitor) {
-    return null;
-  }
-}

src/main/java/ast/ProgramNode.java

@@ -1,14 +1,13 @@
 package ast;
 
-import java.util.ArrayList;
-import java.util.List;
-
-import bytecode.visitor.ProgramVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
-public class ProgramNode implements ASTNode, Visitable{
+import java.util.ArrayList;
+import java.util.List;
+
+public class ProgramNode implements ASTNode, Visitable {
     public List<ClassNode> classes = new ArrayList<>();
 
     public void addClass(ClassNode classNode) {
@@ -19,9 +18,4 @@ public class ProgramNode implements ASTNode, Visitable{
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
-
-    @Override
-    public void accept(ProgramVisitor programVisitor) {
-        programVisitor.visit(this);
-    }
-}
+}

src/main/java/ast/block/BlockNode.java

@@ -0,0 +1,29 @@
+package ast.block;
+
+import ast.ASTNode;
+import ast.statement.IStatementNode;
+import ast.statement.ReturnStatementNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
+
+import java.beans.Visibility;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BlockNode implements ASTNode, Visitable {
+    public List<IStatementNode> statements = new ArrayList<>();
+    public Boolean hasReturnStatement = false;
+
+    public BlockNode() {}
+
+    public void addStatement(IStatementNode statement) {
+        statements.add(statement);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

src/main/java/ast/expression/BinaryExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.expression;
-
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
-
-public class BinaryExpressionNode implements ExpressionNode, Visitable {
-    public ExpressionNode left;
-    public ExpressionNode right;
-    public ExpresssionOperator operator;  // Stores the operator as a string (e.g., "+", "-", "&&")
-
-    public BinaryExpressionNode(ExpressionNode left, ExpressionNode right, ExpresssionOperator operator) {
-        this.left = left;
-        this.right = right;
-        this.operator = operator;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-}

src/main/java/ast/expression/ExpressionNode.java

@@ -1,8 +0,0 @@
-package ast.expression;
-
-import ast.ASTNode;
-import visitor.Visitable;
-
-public interface ExpressionNode extends ASTNode, Visitable {
-
-}

src/main/java/ast/expression/ExpresssionOperator.java

@@ -1,14 +0,0 @@
-package ast.expression;
-
-public enum ExpresssionOperator {
-  DOT, // .
-  PLUS, // +
-  MINUS, // -
-  MULTIPLY, // *
-  DIVIDE,  // /
-  NOT, // !
-  ASSIGNMENT, // =
-  EQUALS, // ==
-  UNEQUALS, // !=
-  ERROR //TODO: Remove This
-}

src/main/java/ast/expression/IExpressionNode.java

@@ -0,0 +1,11 @@
+package ast.expression;
+
+import ast.ASTNode;
+import ast.type.type.ITypeNode;
+import visitor.Visitable;
+
+public interface IExpressionNode extends ASTNode, Visitable {
+
+    ITypeNode getType();
+
+}

src/main/java/ast/expression/IdentifierExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.expression;
-
-import ast.type.TypeNode;
-import semantic.SemanticVisitor;
-
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
-
-public class IdentifierExpressionNode implements ExpressionNode, Visitable {
-    public String name;
-    public TypeNode type;
-
-
-    public IdentifierExpressionNode(String name) {
-        this.name = name;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-}

src/main/java/ast/expression/UnaryExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.expression;
-
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
-
-public class UnaryExpressionNode implements ExpressionNode, Visitable {
-    public ExpressionNode expression;
-    public String operator;  // Stores the operator (e.g., "-", "!")
-
-    public UnaryExpressionNode(ExpressionNode expression, String operator) {
-        this.expression = expression;
-        this.operator = operator;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-}
-
-

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,5 @@
+package ast.expression.binaryexpression;
+
+public enum EnumDotOperator {
+    MULT, DIV, MOD
+}

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

@@ -0,0 +1,5 @@
+package ast.expression.binaryexpression;
+
+public enum EnumLineOperator {
+    PLUS, MINUS
+}

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

@@ -0,0 +1,5 @@
+package ast.expression.binaryexpression;
+
+public enum EnumNonCalculationOperator {
+    AND, OR, GREATER, LESS, GREATER_EQUAL, LESS_EQUAL, EQUAL, NOT_EQUAL
+}

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

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

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

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

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

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

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

@@ -0,0 +1,64 @@
+package ast.expression.unaryexpression;
+
+import ast.expression.IExpressionNode;
+import ast.statement.IStatementNode;
+import ast.type.type.*;
+import ast.type.ValueNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+import java.util.Objects;
+
+public class UnaryExpressionNode implements IExpressionNode {
+    public String thisExp;
+    public String identifier;
+    public MemberAccessNode memberAccess;
+    public ValueNode value;
+    public NotExpressionNode notExpression;
+    public IStatementNode statement;
+    public IExpressionNode expression;
+    private ITypeNode type;
+
+    public UnaryExpressionNode(String value) {
+        if(Objects.equals(value, "this")) {
+            this.thisExp = "this";
+        } else {
+            this.identifier = value;
+        }
+    }
+
+    public UnaryExpressionNode(MemberAccessNode memberAccess) {
+        this.memberAccess = memberAccess;
+    }
+
+    public UnaryExpressionNode(ValueNode value) {
+        this.value = value;
+    }
+
+    public UnaryExpressionNode(NotExpressionNode notExpression) {
+        this.notExpression = notExpression;
+    }
+
+    public UnaryExpressionNode(IStatementNode statement) {
+        this.statement = statement;
+    }
+
+    public UnaryExpressionNode(IExpressionNode expression) {
+        this.expression = expression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public ITypeNode getType() {
+        return type;
+    }
+
+    public void setType(ITypeNode type) {
+        this.type = type;
+    }
+
+}

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

@@ -1,16 +1,34 @@
 package ast.member;
 
-import ast.type.AccessTypeNode;
-import bytecode.visitor.MethodVisitor;
+import ast.block.BlockNode;
+import ast.parameter.ParameterNode;
+import ast.type.AccessModifierNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
-public class ConstructorNode extends MethodNode implements Visitable {
-    public ConstructorNode(AccessTypeNode visibility, String name) {
-        super(visibility, name);
+import java.util.ArrayList;
+import java.util.List;
+
+public class ConstructorNode extends MethodNode  {
+    public AccessModifierNode accessType;
+    public String identifier;
+    public List<ParameterNode> parameters = new ArrayList<>();
+    public BlockNode body;
+
+    public ConstructorNode(AccessModifierNode accessType, String identifier) {
+        this.accessType = accessType;
+        this.identifier = identifier;
     }
 
-    @Override
-    public void accept(MethodVisitor methodVisitor) {
-        methodVisitor.visit(this);
+    public ConstructorNode(String accessType, String identifier, BlockNode body) {
+        this.accessType = new AccessModifierNode(accessType);
+        this.identifier = identifier;
+        this.body = body;
     }
+
+    public void addParameter(ParameterNode parameterNode) {
+        parameters.add(parameterNode);
+    }
+
 }

src/main/java/ast/member/FieldNode.java

@@ -1,18 +1,17 @@
 package ast.member;
 
-import ast.type.AccessTypeNode;
-import ast.type.TypeNode;
-import bytecode.visitor.ClassVisitor;
+import ast.type.AccessModifierNode;
+import ast.type.type.ITypeNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
 public class FieldNode implements MemberNode, Visitable {
-    public AccessTypeNode accessTypeNode;
-    public TypeNode type;
+    public AccessModifierNode accessTypeNode;
+    public ITypeNode type;
     public String identifier;
 
-    public FieldNode(AccessTypeNode accessTypeNode, TypeNode type, String name){
+    public FieldNode(AccessModifierNode accessTypeNode, ITypeNode type, String name){
         this.accessTypeNode = accessTypeNode;
         this.type = type;
         this.identifier = name;
@@ -23,8 +22,4 @@ public class FieldNode implements MemberNode, Visitable {
         return visitor.analyze(this);
     }
 
-    @Override
-    public void accept(ClassVisitor classVisitor) {
-        classVisitor.visit(this);
-    }
 }

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

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

src/main/java/ast/member/MemberNode.java

@@ -1,6 +1,16 @@
 package ast.member;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonSubTypes;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import ast.ASTNode;
 
-public interface MemberNode extends ASTNode {
-}
+@JsonIgnoreProperties(ignoreUnknown = true)
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY)
+@JsonSubTypes({
+        @JsonSubTypes.Type(value = MethodNode.class, name = "Method"),
+
+        @JsonSubTypes.Type(value = FieldNode.class, name = "Field") }
+)
+
+public interface MemberNode extends ASTNode {}

src/main/java/ast/member/MethodNode.java

@@ -1,55 +1,56 @@
 package ast.member;
 
-import ast.parameter.ParameterListNode;
-import ast.statement.StatementNode;
-import ast.type.AccessTypeNode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import ast.type.TypeNode;
+import ast.block.BlockNode;
+import ast.parameter.ParameterNode;
+import ast.type.AccessModifierNode;
+import ast.type.type.*;
 import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
 public class MethodNode implements MemberNode, Visitable {
-    public AccessTypeNode visibility;
-    public TypeNode type;
-    public String identifier;
+    public AccessModifierNode accesModifier;
+    private ITypeNode type;
+    public Boolean voidType;
+    private String identifier;
+    public List<ParameterNode> parameters = new ArrayList<>();
+    public BlockNode block;
 
-    public ParameterListNode parameters;
+    public MethodNode() {}
 
-    public List<StatementNode> statements = new ArrayList<>();
-
-    public MethodNode(AccessTypeNode visibility, TypeNode type, String identifier, ParameterListNode parameters,
-                      List<StatementNode> statements){
-        this.visibility = visibility;
+    public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block){
+        this.accesModifier = new AccessModifierNode(accessModifier);
         this.type = type;
+        this.voidType = voidType;
         this.identifier = identifier;
-        this.parameters = parameters;
-        this.statements = statements;
+        this.block = block;
     }
 
-    public MethodNode(AccessTypeNode visibility, String identifier){
-        this.visibility = visibility;
-        this.identifier = identifier;
+    public void addParameter(ParameterNode parameter) {
+        this.parameters.add(parameter);
+    }
+
+    public List<ParameterNode> getParameters() {
+        return parameters;
     }
 
     public boolean isSame(MethodNode methodNode){
-        boolean isSame = false;
-        if(methodNode.identifier.equals(identifier)){
-            if(parameters != null && methodNode.parameters != null){
-                if(parameters.parameters.size() == methodNode.parameters.parameters.size()){
-                    for(int i = 0; i < parameters.parameters.size(); i++){
-                        if(parameters.parameters.get(i).identifier.equals(methodNode.parameters.parameters.get(i).identifier)){
-                            isSame = true;
-                        }
-                    }
-                }
+        if (!(Objects.equals(this.identifier, methodNode.getIdentifier())) || type.equals(methodNode.type)
+                || getParameters().size() != methodNode.getParameters().size()) {
+            return false;
+        }
+
+        for (int i = 0; i < this.getParameters().size(); i++) {
+            if (this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
+                return false;
             }
         }
-        return isSame;
+        return true;
     }
 
     @Override
@@ -61,4 +62,21 @@ public class MethodNode implements MemberNode, Visitable {
     public void accept(MethodVisitor methodVisitor) {
         methodVisitor.visit(this);
     }
+
+    public String getIdentifier() {
+        return identifier;
+    }
+
+    public ITypeNode getType() {
+        return type;
+    }
+
+    public void setType(ITypeNode type) {
+        this.type = type;
+    }
+
+    public void setIdentifier(String identifier) {
+        this.identifier = identifier;
+    }
+
 }

src/main/java/ast/parameter/ParameterListNode.java

@@ -1,14 +0,0 @@
-package ast.parameter;
-
-import ast.ASTNode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class ParameterListNode implements ASTNode {
-    public List<ParameterNode> parameters = new ArrayList<>();
-
-    public ParameterListNode(List<ParameterNode> parameters){
-        this.parameters = parameters;
-    }
-}

src/main/java/ast/parameter/ParameterNode.java

@@ -1,14 +1,23 @@
 package ast.parameter;
 
 import ast.ASTNode;
-import ast.type.TypeNode;
+import ast.type.type.*;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class ParameterNode implements ASTNode {
-    public TypeNode type;
+public class ParameterNode implements ASTNode, Visitable {
+    public ITypeNode type;
     public String identifier;
 
-    public ParameterNode(TypeNode type, String identifier) {
+    public ParameterNode(ITypeNode type, String identifier) {
         this.type = type;
         this.identifier = identifier;
     }
-}
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

src/main/java/ast/statement/AssignmentStatementNode.java

@@ -1,19 +0,0 @@
-package ast.statement;
-
-import ast.expression.BinaryExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
-
-public class AssignmentStatementNode extends StatementNode implements Visitable {
-  public BinaryExpressionNode expression;
-
-  public AssignmentStatementNode(BinaryExpressionNode expression) {
-    this.expression = expression;
-  }
-
-  @Override
-  public TypeCheckResult accept(SemanticVisitor visitor) {
-    return visitor.analyze(this);
-  }
-}

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

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

src/main/java/ast/statement/IStatementNode.java

@@ -3,6 +3,5 @@ package ast.statement;
 import ast.ASTNode;
 import visitor.Visitable;
 
-public abstract class StatementNode implements ASTNode, Visitable {
+public interface IStatementNode extends ASTNode, Visitable {
 }
-

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

@@ -1,22 +0,0 @@
-package ast.statement;
-
-import ast.expression.ExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class IfStatementNode extends StatementNode {
-    public ExpressionNode condition;
-    public StatementNode thenStatement;
-    public StatementNode elseStatement;
-
-    public IfStatementNode(ExpressionNode condition, StatementNode thenStatement, StatementNode elseStatement) {
-        this.condition = condition;
-        this.thenStatement = thenStatement;
-        this.elseStatement = elseStatement;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-}

src/main/java/ast/statement/LocalVariableDeclarationNode.java

@@ -0,0 +1,26 @@
+package ast.statement;
+
+import ast.expression.IExpressionNode;
+import ast.type.type.*;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class LocalVariableDeclarationNode implements IStatementNode {
+    public ITypeNode type;
+    public String identifier;
+    public String assign;
+    public IExpressionNode expression;
+
+    public LocalVariableDeclarationNode(ITypeNode type, String identifier, String assign, IExpressionNode expression) {
+        this.type = type;
+        this.identifier = identifier;
+        this.assign = assign;
+        this.expression = expression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

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

@@ -1,18 +1,24 @@
 package ast.statement;
 
-import ast.expression.ExpressionNode;
+import ast.expression.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class ReturnStatementNode extends StatementNode {
-    public ExpressionNode expression;
+public class ReturnStatementNode implements IStatementNode {
+    public IExpressionNode expression;
+    public Boolean voidReturn = false;
 
-    public ReturnStatementNode(ExpressionNode expression) {
-        this.expression = expression;
+    public ReturnStatementNode(IExpressionNode expression) {
+        if(expression != null) {
+            this.expression = expression;
+        } else {
+            voidReturn = true;
+        }
     }
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
-}
+
+}

src/main/java/ast/statement/VariableDeclarationStatementNode.java

@@ -1,22 +0,0 @@
-package ast.statement;
-
-import ast.expression.ExpressionNode;
-import ast.type.TypeNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class VariableDeclarationStatementNode extends StatementNode {
-    public TypeNode type;
-    public String identifier;
-    public ExpressionNode expression;
-    public VariableDeclarationStatementNode(TypeNode type, String identifier, ExpressionNode expression) {
-        this.type = type;
-        this.identifier = identifier;
-        this.expression = expression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-}

src/main/java/ast/statement/WhileStatementNode.java

@@ -1,20 +1,23 @@
 package ast.statement;
 
-import ast.expression.ExpressionNode;
+import ast.ASTNode;
+import ast.block.BlockNode;
+import ast.expression.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class WhileStatementNode extends StatementNode {
-    public ExpressionNode condition;
-    public StatementNode body;
+public class WhileStatementNode implements IStatementNode {
+    public IExpressionNode expression;
+    public BlockNode block;
 
-    public WhileStatementNode(ExpressionNode condition, StatementNode body) {
-        this.condition = condition;
-        this.body = body;
+    public WhileStatementNode(IExpressionNode expression, BlockNode block) {
+        this.expression = expression;
+        this.block = block;
     }
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
+
 }

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,28 @@
+package ast.statement.statementexpression;
+
+import ast.ASTNode;
+import ast.expression.IExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class NewDeclarationStatementExpressionNode implements IStatementExpressionNode {
+    public String identifier;
+    public List<IExpressionNode> expressions = new ArrayList<>();
+
+    public NewDeclarationStatementExpressionNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public void addExpression(IExpressionNode expression) {
+        expressions.add(expression);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,28 @@
+package ast.type;
+
+public class AccessModifierNode {
+    public EnumAccessModifierNode accessType;
+
+    public AccessModifierNode(String accessModifier) {
+        setModifier(accessModifier);
+    }
+
+    private void setModifier(String accessType) {
+        switch(accessType) {
+            case "public":
+                this.accessType = EnumAccessModifierNode.PUBLIC;
+                break;
+            case "public static":
+                this.accessType = EnumAccessModifierNode.PUBLIC_STATIC;
+                break;
+            case "private":
+                this.accessType = EnumAccessModifierNode.PRIVATE;
+                break;
+            case "private static":
+                this.accessType = EnumAccessModifierNode.PRIVATE_STATIC;
+                break;
+            default:
+                this.accessType = null;
+        }
+    }
+}

src/main/java/ast/type/AccessTypeNode.java

@@ -1,11 +0,0 @@
-package ast.type;
-
-import ast.ASTNode;
-
-public class AccessTypeNode implements ASTNode {
-    public EnumAccessTypeNode enumAccessTypeNode;
-
-    public AccessTypeNode(EnumAccessTypeNode enumAccessTypeNode) {
-        this.enumAccessTypeNode = enumAccessTypeNode;
-    }
-}

src/main/java/ast/type/BaseTypeNode.java

@@ -1,13 +0,0 @@
-package ast.type;
-
-import ast.ASTNode;
-
-public class BaseTypeNode implements ASTNode, TypeNode {
-
-    public EnumTypeNode enumType;
-
-    public BaseTypeNode(EnumTypeNode enumType) {
-        this.enumType = enumType;
-    }
-
-}

src/main/java/ast/type/EnumAccessModifierNode.java

@@ -0,0 +1,6 @@
+package ast.type;
+
+public enum EnumAccessModifierNode {
+    PUBLIC, PRIVATE, PUBLIC_STATIC, PRIVATE_STATIC
+}
+

src/main/java/ast/type/EnumAccessTypeNode.java

@@ -1,5 +0,0 @@
-package ast.type;
-
-public enum EnumAccessTypeNode {
-    PUBLIC, PRIVATE
-}

src/main/java/ast/type/EnumTypeNode.java

@@ -1,5 +0,0 @@
-package ast.type;
-
-public enum EnumTypeNode {
-    INT, BOOLEAN, CHAR
-}

src/main/java/ast/type/EnumValueNode.java

@@ -0,0 +1,5 @@
+package ast.type;
+
+public enum EnumValueNode {
+    INT_VALUE, BOOLEAN_VALUE, CHAR_VALUE, NULL_VALUE
+}

src/main/java/ast/type/ReferenceTypeNode.java

@@ -1,6 +0,0 @@
-package ast.type;
-
-import ast.ASTNode;
-
-public class ReferenceTypeNode implements ASTNode, TypeNode {
-}

src/main/java/ast/type/TypeNode.java

@@ -1,6 +0,0 @@
-package ast.type;
-
-import ast.ASTNode;
-
-public interface TypeNode extends ASTNode {
-}

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

@@ -0,0 +1,13 @@
+package ast.type;
+
+import ast.ASTNode;
+
+public class ValueNode implements ASTNode {
+    public EnumValueNode valueType;
+    public String value;
+
+    public ValueNode(EnumValueNode valueType, String value) {
+        this.valueType = valueType;
+        this.value = value;
+    }
+}

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

@@ -0,0 +1,30 @@
+package ast.type.type;
+
+public class BaseType implements ITypeNode {
+
+    private TypeEnum typeEnum;
+
+    public BaseType(TypeEnum typeEnum) {
+        this.typeEnum = typeEnum;
+    }
+
+    public TypeEnum getTypeEnum() {
+        return typeEnum;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        BaseType other = (BaseType) obj;
+        if (typeEnum != other.typeEnum)
+            return false;
+        return true;
+    }
+
+
+}

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

@@ -0,0 +1,5 @@
+package ast.type.type;
+
+public interface ITypeNode {
+
+}

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

@@ -0,0 +1,33 @@
+package ast.type.type;
+
+public class ReferenceType implements ITypeNode{
+
+    private String identifier;
+
+    public ReferenceType(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public String getIdentifier() {
+        return identifier;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        ReferenceType other = (ReferenceType) obj;
+        if (identifier == null) {
+            if (other.identifier != null)
+                return false;
+        } else if (!identifier.equals(other.identifier))
+            return false;
+        return true;
+    }
+
+
+}

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

@@ -0,0 +1,9 @@
+package ast.type.type;
+
+public enum TypeEnum {
+    VOID,
+    INT,
+    CHAR,
+    BOOL;
+
+}

src/main/java/bytecode/ByteCodeGenerator.java

@@ -15,8 +15,8 @@ public class ByteCodeGenerator implements ProgramVisitor {
   @Override
   public void visit(ProgramNode programNode) {
     for (ClassNode classDeclarationNode : programNode.classes) {
-      ClassCodeGen classCodeGen = new ClassCodeGen(outputDirectoryPath);
-      classDeclarationNode.accept(classCodeGen);
+//      ClassCodeGen classCodeGen = new ClassCodeGen();
+//      classDeclarationNode.accept(classCodeGen);
     }
   }
 }

src/main/java/bytecode/ClassCodeGen.java

@@ -4,13 +4,12 @@ import ast.ClassNode;
 import ast.member.FieldNode;
 import ast.member.MemberNode;
 import ast.member.MethodNode;
-import ast.type.BaseTypeNode;
+import ast.type.type.BaseType;
 import bytecode.visitor.ClassVisitor;
 
 import java.io.File;
 
 import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.Opcodes;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -29,8 +28,8 @@ public class ClassCodeGen implements ClassVisitor {
     @Override
     public void visit(ClassNode classNode) {
         classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
-        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
-                "java/lang/Object", null);
+//        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
+//                "java/lang/Object", null);
 
         for (MemberNode memberNode : classNode.members) {
             if (memberNode instanceof FieldNode) {
@@ -49,8 +48,8 @@ public class ClassCodeGen implements ClassVisitor {
 
     @Override
     public void visit(FieldNode fieldNode) {
-        if (fieldNode.type instanceof BaseTypeNode baseTypeNode) {
-            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null);
+        if(fieldNode.type instanceof BaseType baseTypeNode){
+//            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
         }
         classWriter.visitEnd();
     }

src/main/java/bytecode/Mapper.java

@@ -1,45 +1,41 @@
 package bytecode;
 
-import ast.parameter.ParameterListNode;
-import ast.parameter.ParameterNode;
 import ast.type.*;
-import org.objectweb.asm.Opcodes;
-import ast.type.BaseTypeNode;
 
 public class Mapper {
-    public int mapAccessTypeToOpcode(AccessTypeNode type) {
-        switch (type.enumAccessTypeNode) {
-            case EnumAccessTypeNode.PUBLIC:
-                return Opcodes.ACC_PUBLIC;
-            case EnumAccessTypeNode.PRIVATE:
-                return Opcodes.ACC_PRIVATE;
-        }
-        return 0;
-    }
+//    public int mapAccessTypeToOpcode(AccessModifierNode type) {
+//        switch (type.enumAccessTypeNode) {
+//            case EnumAccessTypeNode.PUBLIC:
+//                return Opcodes.ACC_PUBLIC;
+//            case EnumAccessTypeNode.PRIVATE:
+//                return Opcodes.ACC_PRIVATE;
+//        }
+//        return 0;
+//    }
 
-    public String generateMethodDescriptor(BaseTypeNode baseTypeNode, ParameterListNode parameterListNode) {
-        String descriptor = "(";
-        for(ParameterNode parameterNode : parameterListNode.parameters) {
-            descriptor += getTypeChar(EnumTypeNode.INT);
-        }
-        descriptor += ")";
-        descriptor += getTypeChar(baseTypeNode.enumType);
-        return descriptor;
-    }
+//    public String generateMethodDescriptor(BaseTypeNode baseTypeNode, ParameterListNode parameterListNode) {
+//        String descriptor = "(";
+//        for(ParameterNode parameterNode : parameterListNode.parameters) {
+//            descriptor += getTypeChar(EnumTypeNode.INT);
+//        }
+//        descriptor += ")";
+//        descriptor += getTypeChar(baseTypeNode.enumType);
+//        return descriptor;
+//    }
 
-    public String getTypeChar(EnumTypeNode enumTypeNode) {
-        String typeChar = "";
-        switch (enumTypeNode) {
-            case EnumTypeNode.INT:
-                typeChar = "I";
-                break;
-            case EnumTypeNode.CHAR:
-                typeChar = "C";
-                break;
-            case EnumTypeNode.BOOLEAN:
-                typeChar = "Z";
-                break;
-        }
-        return typeChar;
-    }
+//    public String getTypeChar(TypeEnum enumTypeNode) {
+//        String typeChar = "";
+//        switch (enumTypeNode) {
+//            case TypeEnum.INT:
+//                typeChar = "I";
+//                break;
+//            case TypeEnum.CHAR:
+//                typeChar = "C";
+//                break;
+//            case TypeEnum.BOOLEAN:
+//                typeChar = "Z";
+//                break;
+//        }
+//        return typeChar;
+//    }
 }

src/main/java/bytecode/MethodCodeGen.java

@@ -2,14 +2,8 @@ package bytecode;
 
 import ast.member.ConstructorNode;
 import ast.member.MethodNode;
-import ast.parameter.ParameterListNode;
-import ast.parameter.ParameterNode;
-import ast.type.BaseTypeNode;
-import ast.type.EnumTypeNode;
 import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.Label;
 import org.objectweb.asm.MethodVisitor;
-import org.objectweb.asm.Opcodes;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -33,12 +27,12 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     @Override
     public void visit(ConstructorNode constructorNode) {
-        methodVisitor =
-                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
-                        "<init>",
-                        "()V",
-                        null,
-                        null);
+//        methodVisitor =
+//                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
+//                        "<init>",
+//                        "()V",
+//                        null,
+//                        null);
         methodVisitor.visitCode();
         methodVisitor.visitVarInsn(ALOAD, 0);
         methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
@@ -49,52 +43,52 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     @Override
     public void visit(MethodNode methodNode) {
-        if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
-            methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
-                    methodNode.identifier,
-                    mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
-                    null,
-                    null);
+//        if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
+//            methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
+//                    methodNode.identifier,
+//                    mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
+//                    null,
+//                    null);
 
             methodVisitor.visitCode();
             localVaribales.add("this");
-            for (ParameterNode parameterNode : methodNode.parameters.parameters) {
-                localVaribales.add(parameterNode.identifier);
-            }
+//            for (ParameterNode parameterNode : methodNode.parameters.parameters) {
+//                localVaribales.add(parameterNode.identifier);
+//            }
 
             //test();
             methodVisitor.visitMaxs(1, localVaribales.size());
             methodVisitor.visitEnd();
-        }
+//        }
     }
 
-    public void test() {
-        Label start = new Label();
-        Label loop = new Label();
-        Label end = new Label();
-        methodVisitor.visitLabel(start);
-        //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
-        //methodVisitor.visitInsn(Opcodes.ICONST_5);
-        methodVisitor.visitLdcInsn(99);
-        // methodVisitor.visitInsn(Opcodes.ICONST_0);
-        //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
-        methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
-        methodVisitor.visitLabel(loop);
-        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
-        methodVisitor.visitInsn(Opcodes.ICONST_5);
-        methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
-        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
-                "java/lang/System", "out",
-                "Ljava/io/PrintStream;");
-        methodVisitor.visitLdcInsn("Bytecode");
-        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
-                "java/io/PrintStream", "println",
-                "(Ljava/lang/String;)V", false);
-        methodVisitor.visitIincInsn(1, 1);
-        methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
-        methodVisitor.visitLabel(end);
-        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
-        methodVisitor.visitInsn(Opcodes.IRETURN);
-        methodVisitor.visitEnd();
-    }
+//    public void test() {
+//        Label start = new Label();
+//        Label loop = new Label();
+//        Label end = new Label();
+//        methodVisitor.visitLabel(start);
+//        //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
+//        //methodVisitor.visitInsn(Opcodes.ICONST_5);
+//        methodVisitor.visitLdcInsn(99);
+//        // methodVisitor.visitInsn(Opcodes.ICONST_0);
+//        //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
+//        methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
+//        methodVisitor.visitLabel(loop);
+//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+//        methodVisitor.visitInsn(Opcodes.ICONST_5);
+//        methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
+//        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
+//                "java/lang/System", "out",
+//                "Ljava/io/PrintStream;");
+//        methodVisitor.visitLdcInsn("Bytecode");
+//        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
+//                "java/io/PrintStream", "println",
+//                "(Ljava/lang/String;)V", false);
+//        methodVisitor.visitIincInsn(1, 1);
+//        methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
+//        methodVisitor.visitLabel(end);
+//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+//        methodVisitor.visitInsn(Opcodes.IRETURN);
+//        methodVisitor.visitEnd();
+//    }
 }

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

@@ -2,7 +2,6 @@ package bytecode.visitor;
 
 import ast.ClassNode;
 import ast.member.FieldNode;
-import org.objectweb.asm.ClassWriter;
 
 public interface ClassVisitor {
     void visit(ClassNode classNode);

src/main/java/main/Main.java

@@ -2,7 +2,7 @@ package main;
 
 import ast.ASTNode;
 import ast.ProgramNode;
-import parser.ASTBuilder;
+import parser.astBuilder.ASTBuilder;
 import parser.generated.SimpleJavaLexer;
 import parser.generated.SimpleJavaParser;
 import semantic.SemanticAnalyzer;

src/main/java/parser/ASTBuilder.java

@@ -1,221 +0,0 @@
-package parser;
-
-import ast.*;
-import ast.expression.BinaryExpressionNode;
-import ast.expression.ExpressionNode;
-import ast.expression.ExpresssionOperator;
-import ast.expression.IdentifierExpressionNode;
-import ast.expression.UnaryExpressionNode;
-import ast.member.FieldNode;
-import ast.member.MemberNode;
-import ast.member.MethodNode;
-import ast.parameter.ParameterListNode;
-import ast.parameter.ParameterNode;
-import ast.statement.*;
-import ast.type.*;
-import org.antlr.v4.runtime.tree.TerminalNode;
-
-import java.util.ArrayList;
-import java.util.List;
-import parser.generated.*;
-import parser.generated.SimpleJavaParser.LiteralContext;
-import ast.type.BaseTypeNode;
-
-public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
-    @Override
-    public ASTNode visitProgram(SimpleJavaParser.ProgramContext ctx) {
-        ProgramNode program = new ProgramNode();
-        for (SimpleJavaParser.ClassDeclarationContext classDeclCtx : ctx.classDeclaration()) {
-            program.addClass((ClassNode) visit(classDeclCtx));
-        }
-        return program;
-    }
-
-    @Override
-    public ASTNode visitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) {
-        ClassNode classNode = new ClassNode((AccessTypeNode) visit(ctx.accessType()),ctx.IDENTIFIER().getText());
-        classNode.identifier = ctx.IDENTIFIER().getText();
-        for (SimpleJavaParser.MemberDeclarationContext member : ctx.memberDeclaration()) {
-            classNode.addMember((MemberNode) visit(member));
-        }
-        classNode.ensureConstructor();
-        return classNode;
-    }
-
-    @Override
-    public ASTNode visitFieldDeclaration(SimpleJavaParser.FieldDeclarationContext ctx) {
-        AccessTypeNode accessType = (AccessTypeNode) visit(ctx.accessType());
-        TypeNode type = (TypeNode) visit(ctx.type());
-        String identifier = ctx.IDENTIFIER().getText();
-        return new FieldNode(accessType, type, identifier);
-    }
-
-    @Override
-    public ASTNode visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) {
-        AccessTypeNode accessType = (AccessTypeNode) visit(ctx.accessType());
-        TypeNode returnType = (TypeNode) visit(ctx.type());
-        String methodName = ctx.IDENTIFIER().getText();
-
-        ParameterListNode parameterListNode = null;
-        if(ctx.parameterList() != null) {
-            parameterListNode = (ParameterListNode) visit(ctx.parameterList());
-        }
-        List<StatementNode> statements = new ArrayList<>();
-        for (SimpleJavaParser.StatementContext stmtCtx : ctx.statement()) {
-            statements.add((StatementNode) visit(stmtCtx));
-        }
-
-        MethodNode method = new MethodNode(accessType,returnType, methodName, parameterListNode, statements);
-
-        return method;
-    }
-
-    @Override
-    public ASTNode visitParameterList(SimpleJavaParser.ParameterListContext ctx) {
-        List<ParameterNode> parameters = new ArrayList<>();
-        for (SimpleJavaParser.ParameterContext paramCtx : ctx.parameter()) {
-            parameters.add((ParameterNode) visitParameter(paramCtx));
-        }
-        return new ParameterListNode(parameters);
-    }
-
-    @Override
-    public ASTNode visitParameter(SimpleJavaParser.ParameterContext ctx) {
-        TypeNode typeNode = (TypeNode) visit(ctx.type());
-        String identifier = ctx.IDENTIFIER().getText();
-        return new ParameterNode(typeNode, identifier);
-    }
-
-    @Override
-    public ASTNode visitType(SimpleJavaParser.TypeContext ctx) {
-        String typeStr = ctx.getText();
-        switch (typeStr) {
-            case "int":
-                return new BaseTypeNode(EnumTypeNode.INT);
-            case "boolean":
-                return new BaseTypeNode(EnumTypeNode.BOOLEAN);
-            case "char":
-                return new BaseTypeNode(EnumTypeNode.CHAR);
-            default:
-                throw new IllegalArgumentException("Unsupported type: " + typeStr);
-        }
-    }
-
-    @Override
-    public ASTNode visitAccessType(SimpleJavaParser.AccessTypeContext ctx) {
-        String typeStr = ctx.getText();
-        switch (typeStr) {
-            case "public":
-                return new AccessTypeNode(EnumAccessTypeNode.PUBLIC);
-            case "private":
-                return new AccessTypeNode(EnumAccessTypeNode.PRIVATE);
-            default:
-                throw new IllegalArgumentException("Unsupported type: " + typeStr);
-        }
-    }
-
-    @Override
-    public ASTNode visitStatement(SimpleJavaParser.StatementContext ctx) {
-        if (ctx.variableDeclarationStatement() != null) {
-            return visitVariableDeclarationStatement(ctx.variableDeclarationStatement());
-        } else if (ctx.assignmentStatement() != null) {
-            return visitAssignmentStatement(ctx.assignmentStatement());
-        }
-
-        return null;
-    }
-
-    @Override
-    public ASTNode visitVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx) {
-        TypeNode type = (TypeNode) visit(ctx.type());
-        String identifier = ctx.IDENTIFIER().getText();
-        ExpressionNode expression = null;
-        if (ctx.expression() != null) {
-            expression = (ExpressionNode) visit(ctx.expression());
-        }
-        return new VariableDeclarationStatementNode(type, identifier, expression);
-    }
-
-    @Override
-    public ASTNode visitAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx) {
-
-        BinaryExpressionNode expression = (BinaryExpressionNode) visit(ctx.expression());
-        return new AssignmentStatementNode(expression);
-    }
-
-    @Override
-    public ASTNode visitVar(SimpleJavaParser.VarContext ctx) {
-        return null;
-    }
-
-    @Override
-    public ASTNode visitIfStatement(SimpleJavaParser.IfStatementContext ctx) {
-        ExpressionNode condition = (ExpressionNode) visit(ctx.expression());
-        StatementNode thenStatement = (StatementNode) visit(ctx.statement(0)); // The 'then' branch
-        StatementNode elseStatement = null;
-        if (ctx.statement().size() > 1) {
-            elseStatement = (StatementNode) visit(ctx.statement(1)); // The 'else' branch, if present
-        }
-        return new IfStatementNode(condition, thenStatement, elseStatement);
-    }
-
-    @Override
-    public ASTNode visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) {
-        ExpressionNode condition = (ExpressionNode) visit(ctx.expression());  // Visit the condition part of the while statement
-        StatementNode body = (StatementNode) visit(ctx.statement());  // Visit the body part of the while statement
-        return new WhileStatementNode(condition, body);
-    }
-
-    @Override
-    public ASTNode visitReturnStatement(SimpleJavaParser.ReturnStatementContext ctx) {
-        ExpressionNode expression = null;
-        if (ctx.expression() != null) {
-            expression = (ExpressionNode) visit(ctx.expression());  // Visit the expression part of the return statement, if it exists
-        }
-        return new ReturnStatementNode(expression);
-    }
-
-    @Override
-    public ASTNode visitExpression(SimpleJavaParser.ExpressionContext ctx) {
-        // Handle binary operations
-        if (ctx.getChildCount() == 3 && ctx.getChild(1) instanceof TerminalNode) {
-            ExpressionNode left = (ExpressionNode) visit(ctx.expression(0));
-            ExpressionNode right = (ExpressionNode) visit(ctx.expression(1));
-            return new BinaryExpressionNode(left, right, ExpresssionOperator.ERROR);
-        }
-        // Handle unary operations
-        else if (ctx.getChildCount() == 2) {
-            String operator = ctx.getChild(0).getText();
-            ExpressionNode expression = (ExpressionNode) visit(ctx.expression(0));
-            return new UnaryExpressionNode(expression, operator);
-        }
-        // Handle parentheses
-        else if (ctx.getChildCount() == 3 && ctx.getChild(0).getText().equals("(")) {
-            return visit(ctx.expression(0));  // Simply return the inner expression
-        }
-        // Handle literals and identifiers
-        else if (ctx.literal() != null) {
-            return visit(ctx.literal());
-        }
-        else if (ctx.IDENTIFIER() != null) {
-            return new IdentifierExpressionNode(ctx.IDENTIFIER().getText());
-        }
-
-        return null;  // Return null or throw an exception if no valid expression found
-    }
-
-    @Override
-    public ASTNode visitLiteral(SimpleJavaParser.LiteralContext ctx) {
-        LiteralContext literalContext = (LiteralContext) ctx;
-        try {
-            int intValue = Integer.parseInt(literalContext.getText());
-            LiteralNode literalNode = new LiteralNode(intValue);
-
-            literalNode.setType("int");
-            return literalNode;
-        } catch (NumberFormatException ignored) {}
-
-        return null;  // Return null or throw an exception if no valid expression found
-    }
-
-}

src/main/java/parser/SimpleJava.g4

@@ -1,62 +0,0 @@
-grammar SimpleJava;
-
-program : classDeclaration+;
-
-classDeclaration : accessType 'class' IDENTIFIER '{' memberDeclaration* '}';
-
-memberDeclaration : fieldDeclaration | methodDeclaration | constructorDeclaration;
-
-fieldDeclaration : accessType type IDENTIFIER ';';
-
-methodDeclaration : accessType 'static' type IDENTIFIER '(' parameterList? ')' '{' statement* '}' ;
-
-constructorDeclaration : accessType IDENTIFIER '(' parameterList? ')' '{' statement* '}' ;
-
-parameterList : parameter (',' parameter)* ;
-parameter : type IDENTIFIER ;
-
-type : 'int' | 'boolean' | 'char' ;
-accessType : 'public' | 'private' ;
-
-statement
-    : variableDeclarationStatement
-    | assignmentStatement
-    | ifStatement
-    | whileStatement
-    | returnStatement
-    | block
-    ;
-
-variableDeclarationStatement : type IDENTIFIER ('=' expression)? ';' ;
-
-assignmentStatement : var '=' expression ';' ;
-
-var: IDENTIFIER;
-
-ifStatement : 'if' '(' expression ')' statement ('else' statement)? ;
-
-whileStatement : 'while' '(' expression ')' statement ;
-
-returnStatement : 'return' (expression)? ';' ;
-
-block : '{' statement* '}' ;
-
-expression
-    : expression ('&&' | '||') expression
-    | expression ('==' | '!=' | '<' | '<=' | '>' | '>=') expression
-    | expression ('+' | '-' | '*' | '/' | '%') expression
-    | '-' expression
-    | '!' expression
-    | '(' expression ')'
-    | literal
-    | IDENTIFIER
-    ;
-
-literal : INTEGERLITERAL | booleanLiteral | charLiteral ;
-
-INTEGERLITERAL : [0-9]+ ;
-booleanLiteral : 'true' | 'false' ;
-charLiteral : '\'' . '\'' ;
-IDENTIFIER : [a-zA-Z][a-zA-Z0-9_]* ;
-
-WS : [ \t\r\n]+ -> skip;

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

@@ -0,0 +1,415 @@
+package parser.astBuilder;
+
+import ast.*;
+import ast.block.BlockNode;
+import ast.expression.*;
+import ast.expression.binaryexpression.CalculationExpressionNode;
+import ast.expression.binaryexpression.DotExpressionNode;
+import ast.expression.binaryexpression.DotSubstractionExpressionNode;
+import ast.expression.binaryexpression.NonCalculationExpressionNode;
+import ast.expression.unaryexpression.MemberAccessNode;
+import ast.expression.unaryexpression.NotExpressionNode;
+import ast.expression.unaryexpression.UnaryExpressionNode;
+import ast.member.*;
+import ast.statement.ifstatement.ElseStatementNode;
+import ast.statement.ifstatement.IfElseStatementNode;
+import ast.parameter.ParameterNode;
+import ast.statement.*;
+import ast.statement.ifstatement.IfStatementNode;
+import ast.statement.statementexpression.AssignStatementExpressionNode;
+import ast.statement.statementexpression.AssignableExpressionNode;
+import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
+import ast.statement.statementexpression.crementExpression.CrementType;
+import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
+import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
+import ast.statement.statementexpression.methodcallstatementnexpression.ChainedMethodNode;
+import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
+import ast.statement.statementexpression.methodcallstatementnexpression.TargetNode;
+import ast.type.*;
+import ast.type.type.*;
+import org.antlr.v4.runtime.tree.TerminalNode;
+import parser.generated.*;
+
+public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
+    @Override
+    public ASTNode visitProgram(SimpleJavaParser.ProgramContext ctx) {
+        ProgramNode program = new ProgramNode();
+        for (SimpleJavaParser.ClassDeclarationContext classDeclCtx : ctx.classDeclaration()) {
+            program.addClass((ClassNode) visit(classDeclCtx));
+        }
+        return program;
+    }
+
+    @Override
+    public ASTNode visitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) {
+        ClassNode classNode = new ClassNode(ctx.AccessModifier().getText(), ctx.Identifier().getText());
+        for (SimpleJavaParser.MemberDeclarationContext member : ctx.memberDeclaration()) {
+            classNode.addMember((MemberNode) visit(member));
+        }
+        classNode.ensureConstructor();
+        return classNode;
+    }
+
+    @Override
+    public ASTNode visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) {
+        ConstructorNode constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
+        for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+            constructorNode.addParameter((ParameterNode) visit(parameter));
+        }
+        return constructorNode;
+    }
+
+    @Override
+    public ASTNode visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) {
+        if(ctx.MainMethodDeclaration() != null) {
+            return new MainMethodNode((BlockNode) visit(ctx.block()));
+        } else {
+            if(ctx.type() != null) {
+                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
+                for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                    methodNode.addParameter((ParameterNode) visit(parameter));
+                }
+                return methodNode;
+            } else {
+                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
+                for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                    methodNode.addParameter((ParameterNode) visit(parameter));
+                }
+                return methodNode;
+            }
+        }
+    }
+
+    @Override
+    public ASTNode visitFieldDeclaration(SimpleJavaParser.FieldDeclarationContext ctx) {
+        return new FieldNode(new AccessModifierNode(ctx.AccessModifier().getText()), createTypeNode(ctx.type().getText()), ctx.Identifier().getText());
+    }
+
+    @Override
+    public ASTNode visitParameter(SimpleJavaParser.ParameterContext ctx) {
+        return new ParameterNode(createTypeNode(ctx.type().getText()), ctx.Identifier().getText());
+    }
+
+    @Override
+    public ASTNode visitStatement(SimpleJavaParser.StatementContext ctx) {
+        if(ctx.returnStatement() != null) {
+            return visitReturnStatement(ctx.returnStatement());
+        } else if(ctx.localVariableDeclaration() != null) {
+            return visitLocalVariableDeclaration(ctx.localVariableDeclaration());
+        } else if(ctx.block() != null) {
+            return visitBlock(ctx.block());
+        } else if(ctx.whileStatement() != null) {
+            return visitWhileStatement(ctx.whileStatement());
+        } else if(ctx.forStatement() != null) {
+            return visitForStatement(ctx.forStatement());
+        } else if(ctx.ifElseStatement() != null) {
+            return visitIfElseStatement(ctx.ifElseStatement());
+        } else if(ctx.statementExpression() != null) {
+            return visitStatementExpression(ctx.statementExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitReturnStatement(SimpleJavaParser.ReturnStatementContext ctx) {
+        return new ReturnStatementNode((IExpressionNode) visit(ctx.expression()));
+    }
+
+    @Override
+    public ASTNode visitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx) {
+        return new LocalVariableDeclarationNode(createTypeNode(ctx.type().getText()), ctx.Identifier().getText(), ctx.Assign().getText(), (IExpressionNode) visit(ctx.expression()));
+    }
+
+    @Override
+    public ASTNode visitBlock(SimpleJavaParser.BlockContext ctx) {
+        BlockNode blockNode = new BlockNode();
+        for(SimpleJavaParser.StatementContext statement : ctx.statement()) {
+            blockNode.addStatement((IStatementNode) visit(statement));
+        }
+        if(!blockNode.hasReturnStatement) {
+            blockNode.addStatement(new ReturnStatementNode(null));
+        }
+        return blockNode;
+    }
+
+    @Override
+    public ASTNode visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) {
+        return new WhileStatementNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.block()));
+    }
+
+    @Override
+    public ASTNode visitForStatement(SimpleJavaParser.ForStatementContext ctx) {
+        if(ctx.statementExpression(0) != null) {
+            return new ForStatementNode((IExpressionNode) visit(ctx.statementExpression(0)), (IExpressionNode) visit(ctx.expression()), (IExpressionNode) visit(ctx.statementExpression(1)));
+        } else if(ctx.localVariableDeclaration() != null) {
+            return new ForStatementNode((IStatementNode) visit(ctx.localVariableDeclaration()), (IExpressionNode) visit(ctx.expression()), (IExpressionNode) visit(ctx.statementExpression(1)));
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) {
+        IfElseStatementNode ifElseStatementNode =  new IfElseStatementNode((IfStatementNode) visit(ctx.ifStatement()));
+        for(SimpleJavaParser.ElseStatementContext elseStatement : ctx.elseStatement()) {
+            ifElseStatementNode.addElseStatement((ElseStatementNode) visit(elseStatement));
+        }
+        return ifElseStatementNode;
+    }
+
+    @Override
+    public ASTNode visitIfStatement(SimpleJavaParser.IfStatementContext ctx) {
+        return new IfStatementNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.block()));
+    }
+
+    @Override
+    public ASTNode visitElseStatement(SimpleJavaParser.ElseStatementContext ctx) {
+        return new ElseStatementNode((BlockNode) visit(ctx.block()));
+    }
+
+    @Override
+    public ASTNode visitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx) {
+        if(ctx.assign() != null) {
+            return visitAssign(ctx.assign());
+        } else if(ctx.newDeclaration() != null) {
+            return visitNewDeclaration(ctx.newDeclaration());
+        } else if(ctx.methodCall() != null) {
+            return visitMethodCall(ctx.methodCall());
+        } else if(ctx.crementExpression() != null) {
+            return visitCrementExpression(ctx.crementExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitAssign(SimpleJavaParser.AssignContext ctx) {
+        return new AssignStatementExpressionNode((AssignableExpressionNode) visit(ctx.assignableExpression()), (IExpressionNode) visit(ctx.expression()));
+    }
+
+    @Override
+    public ASTNode visitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx) {
+        NewDeclarationStatementExpressionNode newDeclarationStatementExpressionNode = new NewDeclarationStatementExpressionNode(ctx.Identifier().getText());
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+            newDeclarationStatementExpressionNode.addExpression((IExpressionNode) visit(expression));
+        }
+        return newDeclarationStatementExpressionNode;
+    }
+
+    @Override
+    public ASTNode visitMethodCall(SimpleJavaParser.MethodCallContext ctx) {
+        MethodCallStatementExpressionNode methodCallStatementExpressionNode = new MethodCallStatementExpressionNode((TargetNode) visit(ctx.target()), ctx.Identifier().getText());
+        for(SimpleJavaParser.ChainedMethodContext chainedMethod : ctx.chainedMethod()) {
+            methodCallStatementExpressionNode.addChainedMethod((ChainedMethodNode) visit(chainedMethod));
+        }
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+            methodCallStatementExpressionNode.addExpression((IExpressionNode) visit(expression));
+        }
+        return methodCallStatementExpressionNode;
+    }
+
+    @Override
+    public ASTNode visitTarget(SimpleJavaParser.TargetContext ctx) {
+        if(ctx.This() != null) {
+            return new TargetNode(true);
+        } else if(ctx.memberAccess() != null) {
+            return new TargetNode((MemberAccessNode) visit(ctx.memberAccess()));
+        } else if(ctx.newDeclaration() != null) {
+            return new TargetNode((NewDeclarationStatementExpressionNode) visit(ctx.newDeclaration()));
+        } else if(ctx.Identifier() != null) {
+            return new TargetNode(ctx.Identifier().getText());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx) {
+        ChainedMethodNode chainedMethodNode = new ChainedMethodNode(ctx.Identifier().getText());
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+            chainedMethodNode.addExpression((IExpressionNode) visit(expression));
+        }
+        return chainedMethodNode;
+    }
+
+    @Override
+    public ASTNode visitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx) {
+        if(ctx.incrementExpression() != null) {
+            return visitIncrementExpression(ctx.incrementExpression());
+        } else if(ctx.decrementExpression() != null) {
+            return visitDecrementExpression(ctx.decrementExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx) {
+        if(ctx.prefixIncrementExpression() != null) {
+            return visitPrefixIncrementExpression(ctx.prefixIncrementExpression());
+        } else if(ctx.suffixIncrementExpression() != null) {
+            return visitSuffixIncrementExpression(ctx.suffixIncrementExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx) {
+        return new IncrementExpressionNode(CrementType.PREFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+    }
+
+    @Override
+    public ASTNode visitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx) {
+        return new IncrementExpressionNode(CrementType.SUFFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+    }
+
+    @Override
+    public ASTNode visitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx) {
+        if(ctx.prefixDecrementExpression() != null) {
+            return visitPrefixDecrementExpression(ctx.prefixDecrementExpression());
+        } else if(ctx.suffixDecrementExpression() != null) {
+            return visitSuffixDecrementExpression(ctx.suffixDecrementExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx) {
+        return new DecrementExpressionNode(CrementType.PREFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+    }
+
+    @Override
+    public ASTNode visitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx) {
+        return new DecrementExpressionNode(CrementType.SUFFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+    }
+
+    @Override
+    public ASTNode visitExpression(SimpleJavaParser.ExpressionContext ctx) {
+        if(ctx.unaryExpression() != null) {
+            return visit(ctx.unaryExpression());
+        } else if(ctx.binaryExpression() != null) {
+            return visit(ctx.binaryExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx) {
+        if(ctx.This() != null) {
+            return new UnaryExpressionNode(ctx.This().getText());
+        } else if(ctx.Identifier() != null) {
+            return new UnaryExpressionNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new UnaryExpressionNode((MemberAccessNode) visitMemberAccess(ctx.memberAccess()));
+        } else if(ctx.value() != null) {
+            return new UnaryExpressionNode((ValueNode) visitValue(ctx.value()));
+        } else if(ctx.notExpression() != null) {
+            return new UnaryExpressionNode((NotExpressionNode) visitNotExpression(ctx.notExpression()));
+        } else if(ctx.statementExpression() != null) {
+            return new UnaryExpressionNode((IStatementNode) visitStatementExpression(ctx.statementExpression()));
+        } else if(ctx.expression() != null) {
+            return new UnaryExpressionNode((IExpressionNode) visitExpression(ctx.expression()));
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitMemberAccess(SimpleJavaParser.MemberAccessContext ctx) {
+        MemberAccessNode memberAccessNode;
+        if(ctx.This() != null) {
+            memberAccessNode = new MemberAccessNode(true);
+        } else {
+            memberAccessNode = new MemberAccessNode(false);
+        }
+        for (TerminalNode identifierNode : ctx.Identifier()) {
+            memberAccessNode.addIdentifier(identifierNode.getText());
+        }
+        return memberAccessNode;
+    }
+
+    @Override
+    public ASTNode visitValue(SimpleJavaParser.ValueContext ctx) {
+        if(ctx.IntValue() != null) {
+            return new ValueNode(EnumValueNode.INT_VALUE, ctx.IntValue().getText());
+        } else if(ctx.BooleanValue() != null) {
+            return new ValueNode(EnumValueNode.BOOLEAN_VALUE, ctx.BooleanValue().getText());
+        } else if(ctx.CharValue() != null) {
+            return new ValueNode(EnumValueNode.CHAR_VALUE, ctx.CharValue().getText());
+        } else if(ctx.NullValue() != null) {
+            return new ValueNode(EnumValueNode.NULL_VALUE, ctx.NullValue().getText());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitNotExpression(SimpleJavaParser.NotExpressionContext ctx) {
+        return new NotExpressionNode((IExpressionNode) visitExpression(ctx.expression()));
+    }
+
+
+    @Override
+    public ASTNode visitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx) {
+        if(ctx.calculationExpression() != null) {
+            return visit(ctx.calculationExpression());
+        } else if(ctx.nonCalculationExpression() != null) {
+            return visit(ctx.nonCalculationExpression());
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx) {
+        if(ctx.calculationExpression() != null) {
+            return new CalculationExpressionNode((CalculationExpressionNode) visit(ctx.calculationExpression()), ctx.LineOperator().getText(), (DotExpressionNode) visit(ctx.dotExpression()));
+        } else if(ctx.dotExpression() != null) {
+            return new CalculationExpressionNode((DotExpressionNode) visit(ctx.dotExpression()));
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitDotExpression(SimpleJavaParser.DotExpressionContext ctx) {
+        if(ctx.dotExpression() != null) {
+            return new DotExpressionNode((DotExpressionNode) visit(ctx.dotExpression()), ctx.DotOperator().getText(), (DotSubstractionExpressionNode) visit(ctx.dotSubtractionExpression()));
+        } else if(ctx.dotSubtractionExpression() != null) {
+            return new DotExpressionNode((DotSubstractionExpressionNode) visit(ctx.dotSubtractionExpression()));
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx) {
+        if(ctx.IntValue() != null) {
+            return new DotSubstractionExpressionNode(new ValueNode(EnumValueNode.INT_VALUE, ctx.IntValue().getText()));
+        } else if(ctx.Identifier() != null) {
+            return new DotSubstractionExpressionNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new DotSubstractionExpressionNode((MemberAccessNode) visit(ctx.memberAccess()));
+        } else if(ctx.methodCall() != null && ctx.calculationExpression() != null) {
+            return new DotSubstractionExpressionNode((MethodCallStatementExpressionNode) visit(ctx.methodCall()), (CalculationExpressionNode) visit(ctx.calculationExpression()));
+        }
+        return null;
+    }
+
+    @Override
+    public ASTNode visitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx) {
+        return new NonCalculationExpressionNode((UnaryExpressionNode) visit(ctx.unaryExpression()), ctx.nonCalculationOperator().getText(), (IExpressionNode) visit(ctx.expression()));
+    }
+
+    @Override
+    public ASTNode visitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx) {
+        if(ctx.Identifier() != null) {
+            return new AssignableExpressionNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new AssignableExpressionNode((MemberAccessNode) visit(ctx.memberAccess()));
+        }
+        return null;
+    }
+
+    public ITypeNode createTypeNode(String identifier){
+        return switch (identifier) {
+            case "int" -> new BaseType(TypeEnum.INT);
+            case "boolean" -> new BaseType(TypeEnum.BOOL);
+            case "char" -> new BaseType(TypeEnum.CHAR);
+            case "void" -> new BaseType(TypeEnum.VOID);
+            default -> new ReferenceType(identifier);
+        };
+    }
+
+}

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

@@ -1,73 +1,88 @@
 T__0=1
 T__1=2
-T__2=3
-T__3=4
-T__4=5
-T__5=6
-T__6=7
-T__7=8
-T__8=9
-T__9=10
-T__10=11
-T__11=12
-T__12=13
-T__13=14
-T__14=15
-T__15=16
-T__16=17
-T__17=18
-T__18=19
-T__19=20
-T__20=21
-T__21=22
-T__22=23
-T__23=24
-T__24=25
-T__25=26
-T__26=27
-T__27=28
-T__28=29
-T__29=30
-T__30=31
-T__31=32
-T__32=33
-T__33=34
-T__34=35
-INTEGERLITERAL=36
-IDENTIFIER=37
-WS=38
-'class'=1
-'{'=2
-'}'=3
-';'=4
-'static'=5
-'('=6
-')'=7
-','=8
-'int'=9
-'boolean'=10
-'char'=11
-'public'=12
-'private'=13
-'='=14
-'if'=15
-'else'=16
-'while'=17
-'return'=18
-'&&'=19
-'||'=20
-'=='=21
-'!='=22
-'<'=23
-'<='=24
-'>'=25
-'>='=26
-'+'=27
-'-'=28
-'*'=29
-'/'=30
-'%'=31
-'!'=32
-'true'=33
-'false'=34
-'\''=35
+Void=3
+Boolean=4
+Char=5
+Int=6
+AccessModifier=7
+MainMethodDeclaration=8
+DotOperator=9
+LineOperator=10
+ComparisonOperator=11
+LogicalOperator=12
+Assign=13
+Plus=14
+Minus=15
+Mult=16
+Modulo=17
+Div=18
+Greater=19
+Less=20
+GreaterEqual=21
+LessEqual=22
+Equal=23
+NotEqual=24
+Not=25
+And=26
+Or=27
+Dot=28
+OpenRoundBracket=29
+ClosedRoundBracket=30
+OpenCurlyBracket=31
+ClosedCurlyBracket=32
+Semicolon=33
+Comma=34
+Class=35
+This=36
+While=37
+If=38
+Else=39
+For=40
+Return=41
+New=42
+CharValue=43
+IntValue=44
+BooleanValue=45
+NullValue=46
+Identifier=47
+WS=48
+InlineComment=49
+MultilineComment=50
+'++'=1
+'--'=2
+'void'=3
+'boolean'=4
+'char'=5
+'int'=6
+'public static void main(String[] args)'=8
+'='=13
+'+'=14
+'-'=15
+'*'=16
+'%'=17
+'/'=18
+'>'=19
+'<'=20
+'>='=21
+'<='=22
+'=='=23
+'!='=24
+'!'=25
+'&&'=26
+'||'=27
+'.'=28
+'('=29
+')'=30
+'{'=31
+'}'=32
+';'=33
+','=34
+'class'=35
+'this'=36
+'while'=37
+'if'=38
+'else'=39
+'for'=40
+'return'=41
+'new'=42
+'null'=46

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/Johannes/Documents/Github/JavaCompiler/src/main/java/parser/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;
@@ -48,6 +48,18 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitMemberDeclaration(SimpleJavaParser.MemberDeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -72,18 +84,6 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -113,25 +113,13 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterType(SimpleJavaParser.TypeContext ctx) { }
+	@Override public void enterArgumentList(SimpleJavaParser.ArgumentListContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitType(SimpleJavaParser.TypeContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterAccessType(SimpleJavaParser.AccessTypeContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitAccessType(SimpleJavaParser.AccessTypeContext ctx) { }
+	@Override public void exitArgumentList(SimpleJavaParser.ArgumentListContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -149,61 +137,13 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx) { }
+	@Override public void enterBlock(SimpleJavaParser.BlockContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterVar(SimpleJavaParser.VarContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitVar(SimpleJavaParser.VarContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
+	@Override public void exitBlock(SimpleJavaParser.BlockContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -221,13 +161,109 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void enterLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void exitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterForStatement(SimpleJavaParser.ForStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitForStatement(SimpleJavaParser.ForStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterElseStatement(SimpleJavaParser.ElseStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <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 enterStatementExpression(SimpleJavaParser.StatementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAssign(SimpleJavaParser.AssignContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAssign(SimpleJavaParser.AssignContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -245,37 +281,265 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterLiteral(SimpleJavaParser.LiteralContext ctx) { }
+	@Override public void enterUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitLiteral(SimpleJavaParser.LiteralContext ctx) { }
+	@Override public void exitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx) { }
+	@Override public void enterNotExpression(SimpleJavaParser.NotExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx) { }
+	@Override public void exitNotExpression(SimpleJavaParser.NotExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterCharLiteral(SimpleJavaParser.CharLiteralContext ctx) { }
+	@Override public void enterCrementExpression(SimpleJavaParser.CrementExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitCharLiteral(SimpleJavaParser.CharLiteralContext ctx) { }
+	@Override public void exitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterMemberAccess(SimpleJavaParser.MemberAccessContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitMemberAccess(SimpleJavaParser.MemberAccessContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDotExpression(SimpleJavaParser.DotExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDotExpression(SimpleJavaParser.DotExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterMethodCall(SimpleJavaParser.MethodCallContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitMethodCall(SimpleJavaParser.MethodCallContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterTarget(SimpleJavaParser.TargetContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitTarget(SimpleJavaParser.TargetContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterChainedMethod(SimpleJavaParser.ChainedMethodContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterType(SimpleJavaParser.TypeContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitType(SimpleJavaParser.TypeContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterValue(SimpleJavaParser.ValueContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitValue(SimpleJavaParser.ValueContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx) { }
 
 	/**
 	 * {@inheritDoc}

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/Johannes/Documents/Github/JavaCompiler/src/main/java/parser/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;
 
@@ -33,6 +33,13 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitMemberDeclaration(SimpleJavaParser.MemberDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -47,13 +54,6 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -74,14 +74,7 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitType(SimpleJavaParser.TypeContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitAccessType(SimpleJavaParser.AccessTypeContext ctx) { return visitChildren(ctx); }
+	@Override public T visitArgumentList(SimpleJavaParser.ArgumentListContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -95,35 +88,7 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitVar(SimpleJavaParser.VarContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitIfStatement(SimpleJavaParser.IfStatementContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { return visitChildren(ctx); }
+	@Override public T visitBlock(SimpleJavaParser.BlockContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -137,7 +102,63 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitBlock(SimpleJavaParser.BlockContext ctx) { return visitChildren(ctx); }
+	@Override public T visitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitForStatement(SimpleJavaParser.ForStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIfStatement(SimpleJavaParser.IfStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T 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 visitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAssign(SimpleJavaParser.AssignContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -151,19 +172,152 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitLiteral(SimpleJavaParser.LiteralContext ctx) { return visitChildren(ctx); }
+	@Override public T visitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx) { return visitChildren(ctx); }
+	@Override public T visitNotExpression(SimpleJavaParser.NotExpressionContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitCharLiteral(SimpleJavaParser.CharLiteralContext ctx) { return visitChildren(ctx); }
+	@Override public T visitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitMemberAccess(SimpleJavaParser.MemberAccessContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDotExpression(SimpleJavaParser.DotExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitMethodCall(SimpleJavaParser.MethodCallContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitTarget(SimpleJavaParser.TargetContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitType(SimpleJavaParser.TypeContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitValue(SimpleJavaParser.ValueContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx) { return visitChildren(ctx); }
 }

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/Johannes/Documents/Github/JavaCompiler/src/main/java/parser/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;
@@ -17,12 +17,15 @@ public class SimpleJavaLexer extends Lexer {
 	protected static final PredictionContextCache _sharedContextCache =
 		new PredictionContextCache();
 	public static final int
-		T__0=1, T__1=2, T__2=3, T__3=4, T__4=5, T__5=6, T__6=7, T__7=8, T__8=9, 
-		T__9=10, T__10=11, T__11=12, T__12=13, T__13=14, T__14=15, T__15=16, T__16=17, 
-		T__17=18, T__18=19, T__19=20, T__20=21, T__21=22, T__22=23, T__23=24, 
-		T__24=25, T__25=26, T__26=27, T__27=28, T__28=29, T__29=30, T__30=31, 
-		T__31=32, T__32=33, T__33=34, T__34=35, INTEGERLITERAL=36, IDENTIFIER=37, 
-		WS=38;
+		T__0=1, T__1=2, Void=3, Boolean=4, Char=5, Int=6, AccessModifier=7, MainMethodDeclaration=8, 
+		DotOperator=9, LineOperator=10, ComparisonOperator=11, LogicalOperator=12, 
+		Assign=13, Plus=14, Minus=15, Mult=16, Modulo=17, Div=18, Greater=19, 
+		Less=20, GreaterEqual=21, LessEqual=22, Equal=23, NotEqual=24, Not=25, 
+		And=26, Or=27, Dot=28, OpenRoundBracket=29, ClosedRoundBracket=30, OpenCurlyBracket=31, 
+		ClosedCurlyBracket=32, Semicolon=33, Comma=34, Class=35, This=36, While=37, 
+		If=38, Else=39, For=40, Return=41, New=42, CharValue=43, IntValue=44, 
+		BooleanValue=45, NullValue=46, Identifier=47, WS=48, InlineComment=49, 
+		MultilineComment=50;
 	public static String[] channelNames = {
 		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
 	};
@@ -33,31 +36,40 @@ public class SimpleJavaLexer extends Lexer {
 
 	private static String[] makeRuleNames() {
 		return new String[] {
-			"T__0", "T__1", "T__2", "T__3", "T__4", "T__5", "T__6", "T__7", "T__8", 
-			"T__9", "T__10", "T__11", "T__12", "T__13", "T__14", "T__15", "T__16", 
-			"T__17", "T__18", "T__19", "T__20", "T__21", "T__22", "T__23", "T__24", 
-			"T__25", "T__26", "T__27", "T__28", "T__29", "T__30", "T__31", "T__32", 
-			"T__33", "T__34", "INTEGERLITERAL", "IDENTIFIER", "WS"
+			"T__0", "T__1", "Void", "Boolean", "Char", "Int", "AccessModifier", "MainMethodDeclaration", 
+			"DotOperator", "LineOperator", "ComparisonOperator", "LogicalOperator", 
+			"Assign", "Plus", "Minus", "Mult", "Modulo", "Div", "Greater", "Less", 
+			"GreaterEqual", "LessEqual", "Equal", "NotEqual", "Not", "And", "Or", 
+			"Dot", "OpenRoundBracket", "ClosedRoundBracket", "OpenCurlyBracket", 
+			"ClosedCurlyBracket", "Semicolon", "Comma", "Class", "This", "While", 
+			"If", "Else", "For", "Return", "New", "CharValue", "IntValue", "BooleanValue", 
+			"NullValue", "Alphabetic", "Numeric", "ValidIdentSymbols", "Identifier", 
+			"WS", "InlineComment", "MultilineComment"
 		};
 	}
 	public static final String[] ruleNames = makeRuleNames();
 
 	private static String[] makeLiteralNames() {
 		return new String[] {
-			null, "'class'", "'{'", "'}'", "';'", "'static'", "'('", "')'", "','", 
-			"'int'", "'boolean'", "'char'", "'public'", "'private'", "'='", "'if'", 
-			"'else'", "'while'", "'return'", "'&&'", "'||'", "'=='", "'!='", "'<'", 
-			"'<='", "'>'", "'>='", "'+'", "'-'", "'*'", "'/'", "'%'", "'!'", "'true'", 
-			"'false'", "'''"
+			null, "'++'", "'--'", "'void'", "'boolean'", "'char'", "'int'", null, 
+			"'public static void main(String[] args)'", null, null, null, null, "'='", 
+			"'+'", "'-'", "'*'", "'%'", "'/'", "'>'", "'<'", "'>='", "'<='", "'=='", 
+			"'!='", "'!'", "'&&'", "'||'", "'.'", "'('", "')'", "'{'", "'}'", "';'", 
+			"','", "'class'", "'this'", "'while'", "'if'", "'else'", "'for'", "'return'", 
+			"'new'", null, null, null, "'null'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
 	private static String[] makeSymbolicNames() {
 		return new String[] {
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			"INTEGERLITERAL", "IDENTIFIER", "WS"
+			null, null, null, "Void", "Boolean", "Char", "Int", "AccessModifier", 
+			"MainMethodDeclaration", "DotOperator", "LineOperator", "ComparisonOperator", 
+			"LogicalOperator", "Assign", "Plus", "Minus", "Mult", "Modulo", "Div", 
+			"Greater", "Less", "GreaterEqual", "LessEqual", "Equal", "NotEqual", 
+			"Not", "And", "Or", "Dot", "OpenRoundBracket", "ClosedRoundBracket", 
+			"OpenCurlyBracket", "ClosedCurlyBracket", "Semicolon", "Comma", "Class", 
+			"This", "While", "If", "Else", "For", "Return", "New", "CharValue", "IntValue", 
+			"BooleanValue", "NullValue", "Identifier", "WS", "InlineComment", "MultilineComment"
 		};
 	}
 	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
@@ -119,7 +131,7 @@ public class SimpleJavaLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\u0004\u0000&\u00df\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0004\u00002\u0198\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"+
@@ -130,43 +142,67 @@ public class SimpleJavaLexer extends Lexer {
 		"\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002"+
 		"\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002"+
 		"\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007"+
-		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0001\u0000"+
-		"\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001"+
-		"\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0004"+
-		"\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004"+
-		"\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006\u0001\u0007\u0001\u0007"+
-		"\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t\u0001\t\u0001\t\u0001"+
-		"\t\u0001\t\u0001\t\u0001\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001"+
-		"\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001"+
-		"\u000b\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f"+
-		"\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000f\u0001"+
-		"\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u0010\u0001\u0010\u0001"+
-		"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001"+
-		"\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0012\u0001"+
-		"\u0012\u0001\u0012\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0014\u0001"+
-		"\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001"+
-		"\u0016\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001\u0018\u0001"+
-		"\u0019\u0001\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001\u001b\u0001"+
-		"\u001b\u0001\u001c\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001e\u0001"+
-		"\u001e\u0001\u001f\u0001\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001"+
-		"!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001\"\u0001\"\u0001#\u0004#\u00ce"+
-		"\b#\u000b#\f#\u00cf\u0001$\u0001$\u0005$\u00d4\b$\n$\f$\u00d7\t$\u0001"+
-		"%\u0004%\u00da\b%\u000b%\f%\u00db\u0001%\u0001%\u0000\u0000&\u0001\u0001"+
+		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
+		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
+		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
+		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0001\u0000"+
+		"\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\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"+
+		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
+		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
+		"\u0001\u0006\u0003\u0006\u00b0\b\u0006\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\b\u0001\b\u0001\b\u0003\b\u00dc\b\b\u0001\t\u0001\t\u0003\t\u00e0"+
+		"\b\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0003\n\u00e8\b\n"+
+		"\u0001\u000b\u0001\u000b\u0003\u000b\u00ec\b\u000b\u0001\f\u0001\f\u0001"+
+		"\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u0010"+
+		"\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001\u0013"+
+		"\u0001\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015"+
+		"\u0001\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0017\u0001\u0017"+
+		"\u0001\u0017\u0001\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u0019"+
+		"\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001c"+
+		"\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001\u001f"+
+		"\u0001\u001f\u0001 \u0001 \u0001!\u0001!\u0001\"\u0001\"\u0001\"\u0001"+
+		"\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001"+
+		"$\u0001$\u0001$\u0001$\u0001%\u0001%\u0001%\u0001&\u0001&\u0001&\u0001"+
+		"&\u0001&\u0001\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001"+
+		"(\u0001(\u0001(\u0001)\u0001)\u0001)\u0001)\u0001*\u0001*\u0005*\u014a"+
+		"\b*\n*\f*\u014d\t*\u0001*\u0001*\u0001+\u0003+\u0152\b+\u0001+\u0004+"+
+		"\u0155\b+\u000b+\f+\u0156\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
+		",\u0001,\u0001,\u0003,\u0162\b,\u0001-\u0001-\u0001-\u0001-\u0001-\u0001"+
+		".\u0001.\u0001/\u0001/\u00010\u00010\u00010\u00030\u0170\b0\u00011\u0001"+
+		"1\u00051\u0174\b1\n1\f1\u0177\t1\u00012\u00042\u017a\b2\u000b2\f2\u017b"+
+		"\u00012\u00012\u00013\u00013\u00013\u00013\u00053\u0184\b3\n3\f3\u0187"+
+		"\t3\u00013\u00013\u00014\u00014\u00014\u00014\u00054\u018f\b4\n4\f4\u0192"+
+		"\t4\u00014\u00014\u00014\u00014\u00014\u0001\u0190\u00005\u0001\u0001"+
 		"\u0003\u0002\u0005\u0003\u0007\u0004\t\u0005\u000b\u0006\r\u0007\u000f"+
 		"\b\u0011\t\u0013\n\u0015\u000b\u0017\f\u0019\r\u001b\u000e\u001d\u000f"+
 		"\u001f\u0010!\u0011#\u0012%\u0013\'\u0014)\u0015+\u0016-\u0017/\u0018"+
-		"1\u00193\u001a5\u001b7\u001c9\u001d;\u001e=\u001f? A!C\"E#G$I%K&\u0001"+
-		"\u0000\u0004\u0001\u000009\u0002\u0000AZaz\u0004\u000009AZ__az\u0003\u0000"+
-		"\t\n\r\r  \u00e1\u0000\u0001\u0001\u0000\u0000\u0000\u0000\u0003\u0001"+
-		"\u0000\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000\u0000\u0007\u0001"+
-		"\u0000\u0000\u0000\u0000\t\u0001\u0000\u0000\u0000\u0000\u000b\u0001\u0000"+
-		"\u0000\u0000\u0000\r\u0001\u0000\u0000\u0000\u0000\u000f\u0001\u0000\u0000"+
-		"\u0000\u0000\u0011\u0001\u0000\u0000\u0000\u0000\u0013\u0001\u0000\u0000"+
-		"\u0000\u0000\u0015\u0001\u0000\u0000\u0000\u0000\u0017\u0001\u0000\u0000"+
-		"\u0000\u0000\u0019\u0001\u0000\u0000\u0000\u0000\u001b\u0001\u0000\u0000"+
-		"\u0000\u0000\u001d\u0001\u0000\u0000\u0000\u0000\u001f\u0001\u0000\u0000"+
-		"\u0000\u0000!\u0001\u0000\u0000\u0000\u0000#\u0001\u0000\u0000\u0000\u0000"+
-		"%\u0001\u0000\u0000\u0000\u0000\'\u0001\u0000\u0000\u0000\u0000)\u0001"+
+		"1\u00193\u001a5\u001b7\u001c9\u001d;\u001e=\u001f? A!C\"E#G$I%K&M\'O("+
+		"Q)S*U+W,Y-[.]\u0000_\u0000a\u0000c/e0g1i2\u0001\u0000\u0005\u0002\u0000"+
+		"\n\n\r\r\u0002\u0000AZaz\u0001\u000009\u0002\u0000$$__\u0003\u0000\t\n"+
+		"\r\r  \u01aa\u0000\u0001\u0001\u0000\u0000\u0000\u0000\u0003\u0001\u0000"+
+		"\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000\u0000\u0007\u0001\u0000"+
+		"\u0000\u0000\u0000\t\u0001\u0000\u0000\u0000\u0000\u000b\u0001\u0000\u0000"+
+		"\u0000\u0000\r\u0001\u0000\u0000\u0000\u0000\u000f\u0001\u0000\u0000\u0000"+
+		"\u0000\u0011\u0001\u0000\u0000\u0000\u0000\u0013\u0001\u0000\u0000\u0000"+
+		"\u0000\u0015\u0001\u0000\u0000\u0000\u0000\u0017\u0001\u0000\u0000\u0000"+
+		"\u0000\u0019\u0001\u0000\u0000\u0000\u0000\u001b\u0001\u0000\u0000\u0000"+
+		"\u0000\u001d\u0001\u0000\u0000\u0000\u0000\u001f\u0001\u0000\u0000\u0000"+
+		"\u0000!\u0001\u0000\u0000\u0000\u0000#\u0001\u0000\u0000\u0000\u0000%"+
+		"\u0001\u0000\u0000\u0000\u0000\'\u0001\u0000\u0000\u0000\u0000)\u0001"+
 		"\u0000\u0000\u0000\u0000+\u0001\u0000\u0000\u0000\u0000-\u0001\u0000\u0000"+
 		"\u0000\u0000/\u0001\u0000\u0000\u0000\u00001\u0001\u0000\u0000\u0000\u0000"+
 		"3\u0001\u0000\u0000\u0000\u00005\u0001\u0000\u0000\u0000\u00007\u0001"+
@@ -174,84 +210,179 @@ public class SimpleJavaLexer extends Lexer {
 		"\u0000\u0000=\u0001\u0000\u0000\u0000\u0000?\u0001\u0000\u0000\u0000\u0000"+
 		"A\u0001\u0000\u0000\u0000\u0000C\u0001\u0000\u0000\u0000\u0000E\u0001"+
 		"\u0000\u0000\u0000\u0000G\u0001\u0000\u0000\u0000\u0000I\u0001\u0000\u0000"+
-		"\u0000\u0000K\u0001\u0000\u0000\u0000\u0001M\u0001\u0000\u0000\u0000\u0003"+
-		"S\u0001\u0000\u0000\u0000\u0005U\u0001\u0000\u0000\u0000\u0007W\u0001"+
-		"\u0000\u0000\u0000\tY\u0001\u0000\u0000\u0000\u000b`\u0001\u0000\u0000"+
-		"\u0000\rb\u0001\u0000\u0000\u0000\u000fd\u0001\u0000\u0000\u0000\u0011"+
-		"f\u0001\u0000\u0000\u0000\u0013j\u0001\u0000\u0000\u0000\u0015r\u0001"+
-		"\u0000\u0000\u0000\u0017w\u0001\u0000\u0000\u0000\u0019~\u0001\u0000\u0000"+
-		"\u0000\u001b\u0086\u0001\u0000\u0000\u0000\u001d\u0088\u0001\u0000\u0000"+
-		"\u0000\u001f\u008b\u0001\u0000\u0000\u0000!\u0090\u0001\u0000\u0000\u0000"+
-		"#\u0096\u0001\u0000\u0000\u0000%\u009d\u0001\u0000\u0000\u0000\'\u00a0"+
-		"\u0001\u0000\u0000\u0000)\u00a3\u0001\u0000\u0000\u0000+\u00a6\u0001\u0000"+
-		"\u0000\u0000-\u00a9\u0001\u0000\u0000\u0000/\u00ab\u0001\u0000\u0000\u0000"+
-		"1\u00ae\u0001\u0000\u0000\u00003\u00b0\u0001\u0000\u0000\u00005\u00b3"+
-		"\u0001\u0000\u0000\u00007\u00b5\u0001\u0000\u0000\u00009\u00b7\u0001\u0000"+
-		"\u0000\u0000;\u00b9\u0001\u0000\u0000\u0000=\u00bb\u0001\u0000\u0000\u0000"+
-		"?\u00bd\u0001\u0000\u0000\u0000A\u00bf\u0001\u0000\u0000\u0000C\u00c4"+
-		"\u0001\u0000\u0000\u0000E\u00ca\u0001\u0000\u0000\u0000G\u00cd\u0001\u0000"+
-		"\u0000\u0000I\u00d1\u0001\u0000\u0000\u0000K\u00d9\u0001\u0000\u0000\u0000"+
-		"MN\u0005c\u0000\u0000NO\u0005l\u0000\u0000OP\u0005a\u0000\u0000PQ\u0005"+
-		"s\u0000\u0000QR\u0005s\u0000\u0000R\u0002\u0001\u0000\u0000\u0000ST\u0005"+
-		"{\u0000\u0000T\u0004\u0001\u0000\u0000\u0000UV\u0005}\u0000\u0000V\u0006"+
-		"\u0001\u0000\u0000\u0000WX\u0005;\u0000\u0000X\b\u0001\u0000\u0000\u0000"+
-		"YZ\u0005s\u0000\u0000Z[\u0005t\u0000\u0000[\\\u0005a\u0000\u0000\\]\u0005"+
-		"t\u0000\u0000]^\u0005i\u0000\u0000^_\u0005c\u0000\u0000_\n\u0001\u0000"+
-		"\u0000\u0000`a\u0005(\u0000\u0000a\f\u0001\u0000\u0000\u0000bc\u0005)"+
-		"\u0000\u0000c\u000e\u0001\u0000\u0000\u0000de\u0005,\u0000\u0000e\u0010"+
-		"\u0001\u0000\u0000\u0000fg\u0005i\u0000\u0000gh\u0005n\u0000\u0000hi\u0005"+
-		"t\u0000\u0000i\u0012\u0001\u0000\u0000\u0000jk\u0005b\u0000\u0000kl\u0005"+
-		"o\u0000\u0000lm\u0005o\u0000\u0000mn\u0005l\u0000\u0000no\u0005e\u0000"+
-		"\u0000op\u0005a\u0000\u0000pq\u0005n\u0000\u0000q\u0014\u0001\u0000\u0000"+
-		"\u0000rs\u0005c\u0000\u0000st\u0005h\u0000\u0000tu\u0005a\u0000\u0000"+
-		"uv\u0005r\u0000\u0000v\u0016\u0001\u0000\u0000\u0000wx\u0005p\u0000\u0000"+
-		"xy\u0005u\u0000\u0000yz\u0005b\u0000\u0000z{\u0005l\u0000\u0000{|\u0005"+
-		"i\u0000\u0000|}\u0005c\u0000\u0000}\u0018\u0001\u0000\u0000\u0000~\u007f"+
-		"\u0005p\u0000\u0000\u007f\u0080\u0005r\u0000\u0000\u0080\u0081\u0005i"+
-		"\u0000\u0000\u0081\u0082\u0005v\u0000\u0000\u0082\u0083\u0005a\u0000\u0000"+
-		"\u0083\u0084\u0005t\u0000\u0000\u0084\u0085\u0005e\u0000\u0000\u0085\u001a"+
-		"\u0001\u0000\u0000\u0000\u0086\u0087\u0005=\u0000\u0000\u0087\u001c\u0001"+
-		"\u0000\u0000\u0000\u0088\u0089\u0005i\u0000\u0000\u0089\u008a\u0005f\u0000"+
-		"\u0000\u008a\u001e\u0001\u0000\u0000\u0000\u008b\u008c\u0005e\u0000\u0000"+
-		"\u008c\u008d\u0005l\u0000\u0000\u008d\u008e\u0005s\u0000\u0000\u008e\u008f"+
-		"\u0005e\u0000\u0000\u008f \u0001\u0000\u0000\u0000\u0090\u0091\u0005w"+
-		"\u0000\u0000\u0091\u0092\u0005h\u0000\u0000\u0092\u0093\u0005i\u0000\u0000"+
-		"\u0093\u0094\u0005l\u0000\u0000\u0094\u0095\u0005e\u0000\u0000\u0095\""+
-		"\u0001\u0000\u0000\u0000\u0096\u0097\u0005r\u0000\u0000\u0097\u0098\u0005"+
-		"e\u0000\u0000\u0098\u0099\u0005t\u0000\u0000\u0099\u009a\u0005u\u0000"+
-		"\u0000\u009a\u009b\u0005r\u0000\u0000\u009b\u009c\u0005n\u0000\u0000\u009c"+
-		"$\u0001\u0000\u0000\u0000\u009d\u009e\u0005&\u0000\u0000\u009e\u009f\u0005"+
-		"&\u0000\u0000\u009f&\u0001\u0000\u0000\u0000\u00a0\u00a1\u0005|\u0000"+
-		"\u0000\u00a1\u00a2\u0005|\u0000\u0000\u00a2(\u0001\u0000\u0000\u0000\u00a3"+
-		"\u00a4\u0005=\u0000\u0000\u00a4\u00a5\u0005=\u0000\u0000\u00a5*\u0001"+
-		"\u0000\u0000\u0000\u00a6\u00a7\u0005!\u0000\u0000\u00a7\u00a8\u0005=\u0000"+
-		"\u0000\u00a8,\u0001\u0000\u0000\u0000\u00a9\u00aa\u0005<\u0000\u0000\u00aa"+
-		".\u0001\u0000\u0000\u0000\u00ab\u00ac\u0005<\u0000\u0000\u00ac\u00ad\u0005"+
-		"=\u0000\u0000\u00ad0\u0001\u0000\u0000\u0000\u00ae\u00af\u0005>\u0000"+
-		"\u0000\u00af2\u0001\u0000\u0000\u0000\u00b0\u00b1\u0005>\u0000\u0000\u00b1"+
-		"\u00b2\u0005=\u0000\u0000\u00b24\u0001\u0000\u0000\u0000\u00b3\u00b4\u0005"+
-		"+\u0000\u0000\u00b46\u0001\u0000\u0000\u0000\u00b5\u00b6\u0005-\u0000"+
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+		"\u0170\u0007\u0003\u0000\u0000\u016f\u016c\u0001\u0000\u0000\u0000\u016f"+
+		"\u016d\u0001\u0000\u0000\u0000\u016f\u016e\u0001\u0000\u0000\u0000\u0170"+
+		"b\u0001\u0000\u0000\u0000\u0171\u0175\u0003].\u0000\u0172\u0174\u0003"+
+		"a0\u0000\u0173\u0172\u0001\u0000\u0000\u0000\u0174\u0177\u0001\u0000\u0000"+
+		"\u0000\u0175\u0173\u0001\u0000\u0000\u0000\u0175\u0176\u0001\u0000\u0000"+
+		"\u0000\u0176d\u0001\u0000\u0000\u0000\u0177\u0175\u0001\u0000\u0000\u0000"+
+		"\u0178\u017a\u0007\u0004\u0000\u0000\u0179\u0178\u0001\u0000\u0000\u0000"+
+		"\u017a\u017b\u0001\u0000\u0000\u0000\u017b\u0179\u0001\u0000\u0000\u0000"+
+		"\u017b\u017c\u0001\u0000\u0000\u0000\u017c\u017d\u0001\u0000\u0000\u0000"+
+		"\u017d\u017e\u00062\u0000\u0000\u017ef\u0001\u0000\u0000\u0000\u017f\u0180"+
+		"\u0005/\u0000\u0000\u0180\u0181\u0005/\u0000\u0000\u0181\u0185\u0001\u0000"+
+		"\u0000\u0000\u0182\u0184\b\u0000\u0000\u0000\u0183\u0182\u0001\u0000\u0000"+
+		"\u0000\u0184\u0187\u0001\u0000\u0000\u0000\u0185\u0183\u0001\u0000\u0000"+
+		"\u0000\u0185\u0186\u0001\u0000\u0000\u0000\u0186\u0188\u0001\u0000\u0000"+
+		"\u0000\u0187\u0185\u0001\u0000\u0000\u0000\u0188\u0189\u00063\u0000\u0000"+
+		"\u0189h\u0001\u0000\u0000\u0000\u018a\u018b\u0005/\u0000\u0000\u018b\u018c"+
+		"\u0005*\u0000\u0000\u018c\u0190\u0001\u0000\u0000\u0000\u018d\u018f\t"+
+		"\u0000\u0000\u0000\u018e\u018d\u0001\u0000\u0000\u0000\u018f\u0192\u0001"+
+		"\u0000\u0000\u0000\u0190\u0191\u0001\u0000\u0000\u0000\u0190\u018e\u0001"+
+		"\u0000\u0000\u0000\u0191\u0193\u0001\u0000\u0000\u0000\u0192\u0190\u0001"+
+		"\u0000\u0000\u0000\u0193\u0194\u0005*\u0000\u0000\u0194\u0195\u0005/\u0000"+
+		"\u0000\u0195\u0196\u0001\u0000\u0000\u0000\u0196\u0197\u00064\u0000\u0000"+
+		"\u0197j\u0001\u0000\u0000\u0000\u000f\u0000\u00af\u00db\u00df\u00e7\u00eb"+
+		"\u014b\u0151\u0156\u0161\u016f\u0175\u017b\u0185\u0190\u0001\u0006\u0000"+
+		"\u0000";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

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

@@ -1,73 +1,88 @@
 T__0=1
 T__1=2
-T__2=3
-T__3=4
-T__4=5
-T__5=6
-T__6=7
-T__7=8
-T__8=9
-T__9=10
-T__10=11
-T__11=12
-T__12=13
-T__13=14
-T__14=15
-T__15=16
-T__16=17
-T__17=18
-T__18=19
-T__19=20
-T__20=21
-T__21=22
-T__22=23
-T__23=24
-T__24=25
-T__25=26
-T__26=27
-T__27=28
-T__28=29
-T__29=30
-T__30=31
-T__31=32
-T__32=33
-T__33=34
-T__34=35
-INTEGERLITERAL=36
-IDENTIFIER=37
-WS=38
-'class'=1
-'{'=2
-'}'=3
-';'=4
-'static'=5
-'('=6
-')'=7
-','=8
-'int'=9
-'boolean'=10
-'char'=11
-'public'=12
-'private'=13
-'='=14
-'if'=15
-'else'=16
-'while'=17
-'return'=18
-'&&'=19
-'||'=20
-'=='=21
-'!='=22
-'<'=23
-'<='=24
-'>'=25
-'>='=26
-'+'=27
-'-'=28
-'*'=29
-'/'=30
-'%'=31
-'!'=32
-'true'=33
-'false'=34
-'\''=35
+Void=3
+Boolean=4
+Char=5
+Int=6
+AccessModifier=7
+MainMethodDeclaration=8
+DotOperator=9
+LineOperator=10
+ComparisonOperator=11
+LogicalOperator=12
+Assign=13
+Plus=14
+Minus=15
+Mult=16
+Modulo=17
+Div=18
+Greater=19
+Less=20
+GreaterEqual=21
+LessEqual=22
+Equal=23
+NotEqual=24
+Not=25
+And=26
+Or=27
+Dot=28
+OpenRoundBracket=29
+ClosedRoundBracket=30
+OpenCurlyBracket=31
+ClosedCurlyBracket=32
+Semicolon=33
+Comma=34
+Class=35
+This=36
+While=37
+If=38
+Else=39
+For=40
+Return=41
+New=42
+CharValue=43
+IntValue=44
+BooleanValue=45
+NullValue=46
+Identifier=47
+WS=48
+InlineComment=49
+MultilineComment=50
+'++'=1
+'--'=2
+'void'=3
+'boolean'=4
+'char'=5
+'int'=6
+'public static void main(String[] args)'=8
+'='=13
+'+'=14
+'-'=15
+'*'=16
+'%'=17
+'/'=18
+'>'=19
+'<'=20
+'>='=21
+'<='=22
+'=='=23
+'!='=24
+'!'=25
+'&&'=26
+'||'=27
+'.'=28
+'('=29
+')'=30
+'{'=31
+'}'=32
+';'=33
+','=34
+'class'=35
+'this'=36
+'while'=37
+'if'=38
+'else'=39
+'for'=40
+'return'=41
+'new'=42
+'null'=46

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/Johannes/Documents/Github/JavaCompiler/src/main/java/parser/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;
 
@@ -37,6 +37,16 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitMemberDeclaration(SimpleJavaParser.MemberDeclarationContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void enterConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void exitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#fieldDeclaration}.
 	 * @param ctx the parse tree
@@ -57,16 +67,6 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
-	 * @param ctx the parse tree
-	 */
-	void enterConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
-	 * @param ctx the parse tree
-	 */
-	void exitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#parameterList}.
 	 * @param ctx the parse tree
@@ -88,25 +88,15 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitParameter(SimpleJavaParser.ParameterContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#type}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#argumentList}.
 	 * @param ctx the parse tree
 	 */
-	void enterType(SimpleJavaParser.TypeContext ctx);
+	void enterArgumentList(SimpleJavaParser.ArgumentListContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#type}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#argumentList}.
 	 * @param ctx the parse tree
 	 */
-	void exitType(SimpleJavaParser.TypeContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#accessType}.
-	 * @param ctx the parse tree
-	 */
-	void enterAccessType(SimpleJavaParser.AccessTypeContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#accessType}.
-	 * @param ctx the parse tree
-	 */
-	void exitAccessType(SimpleJavaParser.AccessTypeContext ctx);
+	void exitArgumentList(SimpleJavaParser.ArgumentListContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#statement}.
 	 * @param ctx the parse tree
@@ -118,55 +108,15 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#variableDeclarationStatement}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#block}.
 	 * @param ctx the parse tree
 	 */
-	void enterVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx);
+	void enterBlock(SimpleJavaParser.BlockContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#variableDeclarationStatement}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#block}.
 	 * @param ctx the parse tree
 	 */
-	void exitVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#assignmentStatement}.
-	 * @param ctx the parse tree
-	 */
-	void enterAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#assignmentStatement}.
-	 * @param ctx the parse tree
-	 */
-	void exitAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#var}.
-	 * @param ctx the parse tree
-	 */
-	void enterVar(SimpleJavaParser.VarContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#var}.
-	 * @param ctx the parse tree
-	 */
-	void exitVar(SimpleJavaParser.VarContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#ifStatement}.
-	 * @param ctx the parse tree
-	 */
-	void enterIfStatement(SimpleJavaParser.IfStatementContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#ifStatement}.
-	 * @param ctx the parse tree
-	 */
-	void exitIfStatement(SimpleJavaParser.IfStatementContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#whileStatement}.
-	 * @param ctx the parse tree
-	 */
-	void enterWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#whileStatement}.
-	 * @param ctx the parse tree
-	 */
-	void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	void exitBlock(SimpleJavaParser.BlockContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -178,15 +128,95 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitReturnStatement(SimpleJavaParser.ReturnStatementContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#localVariableDeclaration}.
 	 * @param ctx the parse tree
 	 */
-	void enterBlock(SimpleJavaParser.BlockContext ctx);
+	void enterLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#localVariableDeclaration}.
 	 * @param ctx the parse tree
 	 */
-	void exitBlock(SimpleJavaParser.BlockContext ctx);
+	void exitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#whileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#whileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#forStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterForStatement(SimpleJavaParser.ForStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#forStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitForStatement(SimpleJavaParser.ForStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#ifElseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#ifElseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#ifStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#ifStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#elseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterElseStatement(SimpleJavaParser.ElseStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#elseStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitElseStatement(SimpleJavaParser.ElseStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#statementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterStatementExpression(SimpleJavaParser.StatementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#statementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#assign}.
+	 * @param ctx the parse tree
+	 */
+	void enterAssign(SimpleJavaParser.AssignContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#assign}.
+	 * @param ctx the parse tree
+	 */
+	void exitAssign(SimpleJavaParser.AssignContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#newDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void enterNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#newDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void exitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#expression}.
 	 * @param ctx the parse tree
@@ -198,33 +228,223 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitExpression(SimpleJavaParser.ExpressionContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#literal}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#unaryExpression}.
 	 * @param ctx the parse tree
 	 */
-	void enterLiteral(SimpleJavaParser.LiteralContext ctx);
+	void enterUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#literal}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#unaryExpression}.
 	 * @param ctx the parse tree
 	 */
-	void exitLiteral(SimpleJavaParser.LiteralContext ctx);
+	void exitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#booleanLiteral}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#notExpression}.
 	 * @param ctx the parse tree
 	 */
-	void enterBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx);
+	void enterNotExpression(SimpleJavaParser.NotExpressionContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#booleanLiteral}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#notExpression}.
 	 * @param ctx the parse tree
 	 */
-	void exitBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx);
+	void exitNotExpression(SimpleJavaParser.NotExpressionContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#charLiteral}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#crementExpression}.
 	 * @param ctx the parse tree
 	 */
-	void enterCharLiteral(SimpleJavaParser.CharLiteralContext ctx);
+	void enterCrementExpression(SimpleJavaParser.CrementExpressionContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#charLiteral}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#crementExpression}.
 	 * @param ctx the parse tree
 	 */
-	void exitCharLiteral(SimpleJavaParser.CharLiteralContext ctx);
+	void exitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#incrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#incrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#prefixIncrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#prefixIncrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#suffixIncrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#suffixIncrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#decrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#decrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#prefixDecrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#prefixDecrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#suffixDecrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#suffixDecrementExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#assignableExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#assignableExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#memberAccess}.
+	 * @param ctx the parse tree
+	 */
+	void enterMemberAccess(SimpleJavaParser.MemberAccessContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#memberAccess}.
+	 * @param ctx the parse tree
+	 */
+	void exitMemberAccess(SimpleJavaParser.MemberAccessContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#binaryExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#binaryExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#calculationExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#calculationExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#dotExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterDotExpression(SimpleJavaParser.DotExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#dotExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitDotExpression(SimpleJavaParser.DotExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#dotSubtractionExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#dotSubtractionExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#nonCalculationExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#nonCalculationExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#methodCall}.
+	 * @param ctx the parse tree
+	 */
+	void enterMethodCall(SimpleJavaParser.MethodCallContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#methodCall}.
+	 * @param ctx the parse tree
+	 */
+	void exitMethodCall(SimpleJavaParser.MethodCallContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#target}.
+	 * @param ctx the parse tree
+	 */
+	void enterTarget(SimpleJavaParser.TargetContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#target}.
+	 * @param ctx the parse tree
+	 */
+	void exitTarget(SimpleJavaParser.TargetContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#chainedMethod}.
+	 * @param ctx the parse tree
+	 */
+	void enterChainedMethod(SimpleJavaParser.ChainedMethodContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#chainedMethod}.
+	 * @param ctx the parse tree
+	 */
+	void exitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#type}.
+	 * @param ctx the parse tree
+	 */
+	void enterType(SimpleJavaParser.TypeContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#type}.
+	 * @param ctx the parse tree
+	 */
+	void exitType(SimpleJavaParser.TypeContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#value}.
+	 * @param ctx the parse tree
+	 */
+	void enterValue(SimpleJavaParser.ValueContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#value}.
+	 * @param ctx the parse tree
+	 */
+	void exitValue(SimpleJavaParser.ValueContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#nonCalculationOperator}.
+	 * @param ctx the parse tree
+	 */
+	void enterNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#nonCalculationOperator}.
+	 * @param ctx the parse tree
+	 */
+	void exitNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx);
 }

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

@@ -1,4 +1,4 @@
-// Generated from C:/Users/Johannes/Documents/Github/JavaCompiler/src/main/java/parser/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;
 
@@ -28,6 +28,12 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitMemberDeclaration(SimpleJavaParser.MemberDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#fieldDeclaration}.
 	 * @param ctx the parse tree
@@ -40,12 +46,6 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#constructorDeclaration}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#parameterList}.
 	 * @param ctx the parse tree
@@ -59,17 +59,11 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitParameter(SimpleJavaParser.ParameterContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#type}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#argumentList}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitType(SimpleJavaParser.TypeContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#accessType}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitAccessType(SimpleJavaParser.AccessTypeContext ctx);
+	T visitArgumentList(SimpleJavaParser.ArgumentListContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#statement}.
 	 * @param ctx the parse tree
@@ -77,35 +71,11 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#variableDeclarationStatement}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#block}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitVariableDeclarationStatement(SimpleJavaParser.VariableDeclarationStatementContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#assignmentStatement}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitAssignmentStatement(SimpleJavaParser.AssignmentStatementContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#var}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitVar(SimpleJavaParser.VarContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#ifStatement}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitIfStatement(SimpleJavaParser.IfStatementContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#whileStatement}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	T visitBlock(SimpleJavaParser.BlockContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -113,11 +83,59 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitReturnStatement(SimpleJavaParser.ReturnStatementContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#localVariableDeclaration}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitBlock(SimpleJavaParser.BlockContext ctx);
+	T visitLocalVariableDeclaration(SimpleJavaParser.LocalVariableDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#whileStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#forStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitForStatement(SimpleJavaParser.ForStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#ifElseStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#ifStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#elseStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitElseStatement(SimpleJavaParser.ElseStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#statementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#assign}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAssign(SimpleJavaParser.AssignContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#newDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#expression}.
 	 * @param ctx the parse tree
@@ -125,21 +143,135 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitExpression(SimpleJavaParser.ExpressionContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#literal}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#unaryExpression}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitLiteral(SimpleJavaParser.LiteralContext ctx);
+	T visitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#booleanLiteral}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#notExpression}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitBooleanLiteral(SimpleJavaParser.BooleanLiteralContext ctx);
+	T visitNotExpression(SimpleJavaParser.NotExpressionContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#charLiteral}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#crementExpression}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitCharLiteral(SimpleJavaParser.CharLiteralContext ctx);
+	T visitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#incrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#prefixIncrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#suffixIncrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#decrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#prefixDecrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#suffixDecrementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#assignableExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#memberAccess}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitMemberAccess(SimpleJavaParser.MemberAccessContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#binaryExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#calculationExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#dotExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDotExpression(SimpleJavaParser.DotExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#dotSubtractionExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#nonCalculationExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#methodCall}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitMethodCall(SimpleJavaParser.MethodCallContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#target}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitTarget(SimpleJavaParser.TargetContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#chainedMethod}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#type}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitType(SimpleJavaParser.TypeContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#value}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitValue(SimpleJavaParser.ValueContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#nonCalculationOperator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitNonCalculationOperator(SimpleJavaParser.NonCalculationOperatorContext ctx);
 }

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

@@ -0,0 +1,168 @@
+grammar SimpleJava;
+
+// Programm-Konstrukte
+program: classDeclaration+;
+
+classDeclaration: AccessModifier? 'class' Identifier OpenCurlyBracket memberDeclaration* ClosedCurlyBracket;
+memberDeclaration: constructorDeclaration | fieldDeclaration | methodDeclaration;
+
+constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
+fieldDeclaration: AccessModifier? type Identifier Semicolon;
+methodDeclaration: MainMethodDeclaration block | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
+
+parameterList: parameter (Comma parameter)*;
+parameter: type Identifier;
+argumentList: (expression (Comma expression)*)?;
+
+// Anweisungen
+statement: returnStatement Semicolon
+         | localVariableDeclaration Semicolon
+         | block
+         | whileStatement
+         | forStatement
+         | ifElseStatement
+         | statementExpression Semicolon;
+
+block: OpenCurlyBracket statement* ClosedCurlyBracket;
+
+returnStatement: Return (expression)?;
+localVariableDeclaration: type Identifier (Assign expression)?;
+
+whileStatement: While OpenRoundBracket expression ClosedRoundBracket block;
+forStatement: For OpenRoundBracket (statementExpression | localVariableDeclaration) Semicolon (expression)? Semicolon (statementExpression)? ClosedRoundBracket block;
+
+ifElseStatement: ifStatement elseStatement*;
+ifStatement: If OpenRoundBracket expression ClosedRoundBracket block;
+elseStatement: Else block;
+
+statementExpression: assign | newDeclaration | methodCall | crementExpression;
+assign: assignableExpression Assign expression;
+newDeclaration: New Identifier OpenRoundBracket argumentList ClosedRoundBracket;
+
+// Ausdrücke
+expression: unaryExpression | binaryExpression;
+
+unaryExpression: This
+               | Identifier
+               | memberAccess
+               | value
+               | notExpression
+               | statementExpression
+               | OpenRoundBracket expression ClosedRoundBracket;
+
+notExpression: Not expression;
+
+crementExpression: incrementExpression | decrementExpression;
+
+incrementExpression: prefixIncrementExpression | suffixIncrementExpression;
+prefixIncrementExpression: '++' assignableExpression;
+suffixIncrementExpression: assignableExpression '++';
+
+decrementExpression: prefixDecrementExpression | suffixDecrementExpression;
+prefixDecrementExpression: '--' assignableExpression;
+suffixDecrementExpression: assignableExpression '--';
+
+assignableExpression: Identifier | memberAccess;
+
+memberAccess: This Dot Identifier
+            | (This Dot)? (Identifier Dot)+ Identifier;
+
+binaryExpression: calculationExpression | nonCalculationExpression;
+
+calculationExpression: calculationExpression LineOperator dotExpression
+                     | dotExpression;
+
+dotExpression: dotExpression DotOperator dotSubtractionExpression
+              | dotSubtractionExpression;
+
+dotSubtractionExpression: IntValue
+                        | Identifier
+                        | memberAccess
+                        | methodCall OpenRoundBracket calculationExpression ClosedRoundBracket;
+
+nonCalculationExpression: unaryExpression nonCalculationOperator expression;
+
+// Methodenaufrufe
+methodCall: target? chainedMethod* Identifier OpenRoundBracket argumentList ClosedRoundBracket;
+target: (This | memberAccess | newDeclaration | Identifier) Dot;
+chainedMethod: Identifier OpenRoundBracket argumentList ClosedRoundBracket Dot;
+
+// Typen
+type: Int
+    | Boolean
+    | Char
+    | Identifier;
+
+Void: 'void';
+Boolean: 'boolean';
+Char: 'char';
+Int: 'int';
+
+value: IntValue
+     | BooleanValue
+     | CharValue
+     | NullValue;
+
+// Zugriffsmodifikatoren
+AccessModifier: 'public' | 'private' | 'public static' | 'private static';
+MainMethodDeclaration: 'public static void main(String[] args)';
+
+// Operatoren
+nonCalculationOperator: LogicalOperator | ComparisonOperator;
+
+DotOperator: Mult | Div | Modulo;
+LineOperator: Plus | Minus;
+ComparisonOperator: Greater | Less | GreaterEqual | LessEqual | Equal | NotEqual;
+LogicalOperator: And | Or;
+
+Assign: '=';
+Plus: '+';
+Minus: '-';
+Mult: '*';
+Modulo: '%';
+Div: '/';
+Greater: '>';
+Less: '<';
+GreaterEqual: '>=';
+LessEqual: '<=';
+Equal: '==';
+NotEqual: '!=';
+Not: '!';
+And: '&&';
+Or: '||';
+
+// Symbole
+Dot: '.';
+OpenRoundBracket: '(';
+ClosedRoundBracket: ')';
+OpenCurlyBracket: '{';
+ClosedCurlyBracket: '}';
+Semicolon: ';';
+Comma: ',';
+
+// Schlüsselwörter
+Class: 'class';
+This: 'this';
+While: 'while';
+If: 'if';
+Else: 'else';
+For: 'for';
+Return: 'return';
+New: 'new';
+
+// Werte
+CharValue: '\'' ~[\r\n]* '\'';
+IntValue: Minus? Numeric+;
+BooleanValue: 'true' | 'false';
+NullValue: 'null';
+
+// Bezeichner
+fragment Alphabetic: [a-zA-Z];
+fragment Numeric: [0-9];
+fragment ValidIdentSymbols: Alphabetic | Numeric | '$' | '_';
+Identifier: Alphabetic ValidIdentSymbols*;
+
+// Whitespaces und Kommentare ignorieren
+WS: [ \t\r\n]+ -> skip;
+InlineComment: '//' ~[\r\n]* -> skip;
+MultilineComment: '/*' .*? '*/' -> skip;

src/main/java/semantic/Scope.java

@@ -1,27 +1,35 @@
 package semantic;
 
-import ast.type.TypeNode;
+import ast.type.type.*;
+import semantic.exeptions.AlreadyDeclearedException;
 
 import java.util.HashMap;
 import java.util.Stack;
 
 public class Scope {
 
-    private Stack<HashMap<String, TypeNode>> localVars;
+    private Stack<HashMap<String, ITypeNode>> localVars;
 
     public Scope() {
-        localVars = new Stack<HashMap<String, TypeNode>>();
+        localVars = new Stack<HashMap<String, ITypeNode>>();
     }
 
-    public void addLocalVar(String name, TypeNode type) {
+    public void addLocalVar(String name, ITypeNode type) {
         if (this.contains(name)) {
-            throw new RuntimeException("Variable " + name + " already exists in this scope");
+            throw new AlreadyDeclearedException("Variable " + name + " already exists in this scope");
         }
         localVars.peek().put(name, type);
     }
 
+    public ITypeNode getLocalVar(String name) {
+        for (HashMap<String, ITypeNode> map : localVars) {
+            return map.get(name);
+        }
+        return null;
+    }
+
     public boolean contains(String name) {
-        for (HashMap<String, TypeNode> map : localVars) {
+        for (HashMap<String, ITypeNode> map : localVars) {
             if (map.containsKey(name)) {
                 return true;
             }
@@ -30,7 +38,7 @@ public class Scope {
     }
 
     public void pushScope() {
-        localVars.push(new HashMap<String, TypeNode>());
+        localVars.push(new HashMap<String, ITypeNode>());
     }
 
     public void popScope() {

src/main/java/semantic/SemanticAnalyzer.java

@@ -1,33 +1,44 @@
 package semantic;
 
 
-import ast.*;
-import ast.expression.BinaryExpressionNode;
-import ast.expression.IdentifierExpressionNode;
-import ast.expression.UnaryExpressionNode;
-import ast.member.ConstructorNode;
-import ast.member.FieldNode;
-import ast.member.MemberNode;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Objects;
 
-import ast.member.MethodNode;
-import ast.parameter.ParameterListNode;
+import ast.*;
+import ast.block.BlockNode;
+import ast.expression.IExpressionNode;
+import ast.expression.binaryexpression.*;
+import ast.expression.unaryexpression.UnaryExpressionNode;
+import ast.member.*;
 import ast.parameter.ParameterNode;
 import ast.statement.*;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import semantic.exeptions.AlreadyDeclearedException;
+import ast.statement.ifstatement.ElseStatementNode;
+import ast.statement.ifstatement.IfElseStatementNode;
+import ast.statement.ifstatement.IfStatementNode;
+import ast.statement.statementexpression.AssignStatementExpressionNode;
+import ast.statement.statementexpression.AssignableExpressionNode;
+import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
+import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
+import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
+import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
+import ast.type.type.*;
+import semantic.context.Context;
+import semantic.exeptions.*;
 import typechecker.TypeCheckResult;
 
 public class SemanticAnalyzer implements SemanticVisitor {
 
-    private static ArrayList<String> currentFields = new ArrayList<>();
+    private static HashMap<String, ITypeNode> currentFields = new HashMap<>();
 
     public static ArrayList<Exception> errors = new ArrayList<>();
 
+    private static Context context;
     private static Scope currentScope;
     private static ClassNode currentClass;
+    private static ITypeNode currentNullType;
+    private ITypeNode currentMethodReturnType;
 
     public static ASTNode generateTast(ASTNode node) {
         SemanticAnalyzer semanticCheck = new SemanticAnalyzer();
@@ -43,7 +54,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
         return null;
     }
 
-    public static void clearAnalyzier(){
+    public static void clearAnalyzer() {
         currentFields.clear();
         errors.clear();
         currentScope = null;
@@ -56,6 +67,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
         var valid = true;
 
         currentScope = new Scope();
+        context = new Context(node);
 
         List<ClassNode> classes = node.classes;
         for (ClassNode classNode : classes) {
@@ -70,7 +82,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
         var valid = true;
 
         currentClass = classNode;
-
+        currentFields.clear();
         List<MemberNode> members = classNode.members;
         for (MemberNode memberNode : members) {
             if (memberNode instanceof FieldNode fieldNode) {
@@ -79,13 +91,10 @@ public class SemanticAnalyzer implements SemanticVisitor {
                 valid = valid && result.isValid();
             } else if (memberNode instanceof MethodNode methodNode) {
                 //Methods
-                for(MethodNode methode : currentClass.getMethods()){
-                    if(methode.equals(methodNode))
+                for (MethodNode methode : currentClass.getMethods()) {
+                    if (methode.equals(methodNode))
                         break;
-                    if(methode.isSame(methodNode)){
-                        errors.add(new AlreadyDeclearedException("This method has already been declared"));
-                        valid = false;
-                    }
+
                 }
                 var result = methodNode.accept(this);
                 valid = valid && result.isValid();
@@ -98,95 +107,87 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
     @Override
     public TypeCheckResult analyze(MethodNode methodNode) {
-        var valid = true;
+        if (methodNode instanceof ConstructorNode) {
+            return new TypeCheckResult(true, new BaseType(TypeEnum.VOID));
+        } else {
 
-        currentScope.pushScope();
+            var valid = true;
 
-        //Parameter
-        ParameterListNode parameterListNode = methodNode.parameters;
-        if (parameterListNode != null) {
-            List<ParameterNode> parameters = parameterListNode.parameters;
-            for (ParameterNode parameter : parameters) {
-                if (currentScope.contains(parameter.identifier)) {
-                    errors.add(new AlreadyDeclearedException("Duplicated Parameter " + parameter.identifier));
-                    return new TypeCheckResult(false, null);
-                } else {
-                    currentScope.addLocalVar(parameter.identifier, parameter.type);
+            for (var otherMethod : currentClass.getMethods()) {
+                if (Objects.equals(otherMethod, methodNode))
+                    break;
+                if (otherMethod.isSame(methodNode)) {
+                    errors.add(new AlreadyDeclearedException(
+                            "Method " + methodNode.getIdentifier() + " is already defined in class "
+                                    + currentClass.identifier));
+                    valid = false;
                 }
             }
-        }
 
-        //Statements
-        List<StatementNode> statements = methodNode.statements;
-        for (StatementNode statement : statements) {
-            if (statement instanceof AssignmentStatementNode assignmentStatementNode) {
-                var result = assignmentStatementNode.accept(this);
-                valid = valid && result.isValid();
-            } else if (statement instanceof VariableDeclarationStatementNode variableDeclarationStatementNode) {
-                var result = variableDeclarationStatementNode.accept(this);
+            currentScope.pushScope();
+            for (var parameter : methodNode.getParameters()) {
+                var result = parameter.accept(this);
                 valid = valid && result.isValid();
+                try {
+                    currentScope.addLocalVar(parameter.identifier, parameter.type);
+                } catch (AlreadyDeclearedException e) {
+                    errors.add(new AlreadyDeclearedException(parameter.identifier));
+                }
+
             }
-        }
+            // Check if this method is already declared
 
-        currentScope.popScope();
-        return new TypeCheckResult(valid, null);
+            currentMethodReturnType = methodNode.getType();
+            currentNullType = currentMethodReturnType; // Solange nicht in einem Assign oder Methoden-Aufruf dieser Typ
+
+            ITypeNode resultType = new BaseType(TypeEnum.VOID);
+
+            // gesetzt ist, ist dieser der Rückgabewert der Methode
+            var result = methodNode.block.accept(this);
+            valid = valid && result.isValid();
+            currentScope.popScope();
+            resultType = result.getType();
+
+            if (resultType == null) {
+                resultType = new BaseType(TypeEnum.VOID);
+            }
+            if (!resultType.equals(methodNode.getType())) {
+                errors.add(new TypeMismatchException("Method-Declaration " + methodNode.getIdentifier() + " with type "
+                        + methodNode.getType() + " has at least one Mismatching return Type:"));
+                valid = false;
+            }
+
+            return new TypeCheckResult(valid, resultType);
+
+        }
     }
 
     @Override
     public TypeCheckResult analyze(FieldNode toCheck) {
-        if (currentFields.contains(toCheck.identifier)) {
+        if (currentFields.get(toCheck.identifier) != null) {
             errors.add(new AlreadyDeclearedException("Already declared " + toCheck.identifier));
             return new TypeCheckResult(false, null);
         } else {
-            currentFields.add(toCheck.identifier);
-        }
-        return new TypeCheckResult(true, null);
-    }
-
-    @Override
-    public TypeCheckResult analyze(AssignmentStatementNode assignmentStatementNode) {
-        boolean valid = true;
-        BinaryExpressionNode binaryExpressionNode = assignmentStatementNode.expression;
-        var result = binaryExpressionNode.accept(this);
-         valid = valid && result.isValid();
-        return new TypeCheckResult(valid, null);
-    }
-
-    @Override
-    public TypeCheckResult analyze(BinaryExpressionNode toCheck) {
-        boolean valid = true;
-        return new TypeCheckResult(valid, null);
-    }
-
-    @Override
-    public TypeCheckResult analyze(IdentifierExpressionNode toCheck) {
-        return null;
-    }
-
-    @Override
-    public TypeCheckResult analyze(UnaryExpressionNode toCheck) {
-        return null;
-    }
-
-    @Override
-    public TypeCheckResult analyze(VariableDeclarationStatementNode toCheck) {
-        if (currentScope.contains(toCheck.identifier)) {
-            errors.add(new AlreadyDeclearedException("Already declared " + toCheck.identifier + " in this scope"));
-            return new TypeCheckResult(false, null);
-        } else {
-            currentScope.addLocalVar(toCheck.identifier, toCheck.type);
+            currentFields.put(toCheck.identifier, toCheck.type);
         }
         return new TypeCheckResult(true, null);
     }
 
     @Override
     public TypeCheckResult analyze(IfStatementNode toCheck) {
-        return null;
+        return new TypeCheckResult(true, null);
     }
 
     @Override
     public TypeCheckResult analyze(ReturnStatementNode toCheck) {
-        return null;
+
+        if(toCheck.expression != null){
+            var result = toCheck.expression.accept(this);
+            return new TypeCheckResult(true, result.getType());
+        } else {
+            return new TypeCheckResult(false, null);
+        }
+
     }
 
     @Override
@@ -194,4 +195,176 @@ public class SemanticAnalyzer implements SemanticVisitor {
         return null;
     }
 
+    @Override
+    public TypeCheckResult analyze(ParameterNode toCheck) {
+
+
+        return new TypeCheckResult(true, null);
+    }
+
+    @Override
+    public TypeCheckResult analyze(BlockNode blockNode) {
+        ITypeNode blockReturnType = null;
+        for (IStatementNode statementNode : blockNode.statements) {
+            var result = statementNode.accept(this);
+            if(result.getType() != null){
+                if(blockReturnType == null){
+                    blockReturnType = result.getType();
+                } else {
+                    errors.add(new MultipleReturnTypes("There are multiple Return types"));
+                }
+            }
+        }
+        return new TypeCheckResult(true, blockReturnType);
+    }
+
+    @Override
+    public TypeCheckResult analyze(AssignableExpressionNode toCheck) {
+        return new TypeCheckResult(true, currentFields.get(toCheck.identifier));
+
+    }
+
+    @Override
+    public TypeCheckResult analyze(ElseStatementNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(ForStatementNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(AssignStatementExpressionNode toCheck) {
+        AssignableExpressionNode assignable = toCheck.assignable;
+        var oldNullType = currentNullType;
+        currentNullType = currentFields.get(toCheck.assignable.identifier);
+        IExpressionNode rExpression = toCheck.expression;
+        currentNullType = oldNullType;
+        var valid = true;
+
+        // This check currently handles things like :
+        /**
+         * private int i;
+         * void foo(int i){
+         * i = i;
+         * }
+         */
+        if (assignable.equals(rExpression)) {
+            errors.add(new TypeMismatchException("Cannot assign to self"));
+            valid = false;
+        }
+
+        var lResult = assignable.accept(this);
+        currentNullType = lResult.getType();
+        var rResult = rExpression.accept(this);
+
+        if (!Objects.equals(currentScope.getLocalVar(toCheck.assignable.identifier), rExpression.getType())) {
+            errors.add(new TypeMismatchException(
+                    "Mismatch types in Assign-Statement: cannot convert from \"" + lResult.getType() + "\" to \""
+                            + rResult.getType() + "\""));
+            valid = false;
+        }
+//        else {
+//            toCheck.setType(assignable.getType());
+//        }
+        valid = valid && lResult.isValid() && rResult.isValid();
+        currentNullType = null;
+        return new TypeCheckResult(valid, null); // return type is null to get the return type sufficently
+    }
+
+    @Override
+    public TypeCheckResult analyze(DecrementExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(IfElseStatementNode toCheck) {
+        return new TypeCheckResult(true, null);
+    }
+
+    @Override
+    public TypeCheckResult analyze(MethodCallStatementExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(LocalVariableDeclarationNode localVarDecl) {
+        var valid = true;
+
+        if (localVarDecl.expression != null) {
+            TypeCheckResult result = localVarDecl.expression.accept(this);
+
+            var resultType = localVarDecl.expression.getType();
+            valid = result.isValid() && valid;
+
+            if (!Objects.equals(resultType, localVarDecl.type)) {
+                errors.add(new TypeMismatchException(
+                        "Type mismatch: cannot convert from " + resultType + " to " + localVarDecl.type));
+                valid = false;
+            }
+
+        }
+
+        try {
+            currentScope.addLocalVar(localVarDecl.identifier, localVarDecl.type);
+        } catch (AlreadyDefinedException e) {
+            errors.add(new AlreadyDefinedException(e.getMessage()));
+            valid = false;
+        }
+        return new TypeCheckResult(valid, null);
+    }
+
+    @Override
+    public TypeCheckResult analyze(NewDeclarationStatementExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(IncrementExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(BinaryExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(CalculationExpressionNode calcNode) {
+        if (calcNode.calculationExpression != null) {
+            calcNode.calculationExpression.accept(this);
+        }
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(DotExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(DotSubstractionExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(NonCalculationExpressionNode toCheck) {
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(UnaryExpressionNode unary) {
+        var valid = true;
+
+        if (currentScope.contains(unary.identifier)) {
+            return  new TypeCheckResult(valid, currentScope.getLocalVar(unary.identifier));
+        } else if(currentFields.get(unary.identifier) != null) {
+            return  new TypeCheckResult(valid, currentFields.get(unary.identifier));
+        } else {
+            errors.add(new NotDeclearedException("Var is not Decleared"));
+        }
+        return new TypeCheckResult(valid, null);
+    }
+
 }

src/main/java/semantic/SemanticVisitor.java

@@ -1,14 +1,20 @@
 package semantic;
 
 
-import ast.ClassNode;
-import ast.ProgramNode;
-import ast.expression.BinaryExpressionNode;
-import ast.expression.IdentifierExpressionNode;
-import ast.expression.UnaryExpressionNode;
-import ast.member.FieldNode;
-import ast.member.MethodNode;
+import ast.*;
+import ast.block.BlockNode;
+import ast.expression.binaryexpression.*;
+import ast.expression.unaryexpression.UnaryExpressionNode;
+import ast.member.*;
+import ast.parameter.ParameterNode;
 import ast.statement.*;
+import ast.statement.ifstatement.*;
+import ast.statement.statementexpression.AssignStatementExpressionNode;
+import ast.statement.statementexpression.AssignableExpressionNode;
+import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
+import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
+import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
+import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
 import typechecker.TypeCheckResult;
 
 public interface SemanticVisitor {
@@ -21,19 +27,46 @@ public interface SemanticVisitor {
 
     TypeCheckResult analyze(FieldNode toCheck);
 
-    TypeCheckResult analyze(AssignmentStatementNode toCheck);
-
-    TypeCheckResult analyze(BinaryExpressionNode toCheck);
-
-    TypeCheckResult analyze(IdentifierExpressionNode toCheck);
-
-    TypeCheckResult analyze(UnaryExpressionNode toCheck);
-
-    TypeCheckResult analyze(VariableDeclarationStatementNode toCheck);
-
     TypeCheckResult analyze(IfStatementNode toCheck);
 
     TypeCheckResult analyze(ReturnStatementNode toCheck);
 
     TypeCheckResult analyze(WhileStatementNode toCheck);
+
+    TypeCheckResult analyze(ParameterNode toCheck);
+
+    TypeCheckResult analyze(BlockNode toCheck);
+
+    TypeCheckResult analyze(AssignableExpressionNode toCheck);
+
+    TypeCheckResult analyze(ElseStatementNode toCheck);
+
+    TypeCheckResult analyze(ForStatementNode toCheck);
+
+    TypeCheckResult analyze(AssignStatementExpressionNode toCheck);
+
+    TypeCheckResult analyze(DecrementExpressionNode toCheck);
+
+    TypeCheckResult analyze(IfElseStatementNode toCheck);
+
+    TypeCheckResult analyze(MethodCallStatementExpressionNode toCheck);
+
+    TypeCheckResult analyze(LocalVariableDeclarationNode toCheck);
+
+    TypeCheckResult analyze(NewDeclarationStatementExpressionNode toCheck);
+
+    TypeCheckResult analyze(IncrementExpressionNode toCheck);
+
+    TypeCheckResult analyze(BinaryExpressionNode toCheck);
+
+    TypeCheckResult analyze(CalculationExpressionNode toCheck);
+
+    TypeCheckResult analyze(DotExpressionNode toCheck);
+
+    TypeCheckResult analyze(DotSubstractionExpressionNode toCheck);
+
+    TypeCheckResult analyze(NonCalculationExpressionNode toCheck);
+
+    TypeCheckResult analyze(UnaryExpressionNode toCheck);
+
 }

src/main/java/semantic/context/ClassContext.java

@@ -0,0 +1,27 @@
+package semantic.context;
+
+import ast.ClassNode;
+import ast.member.FieldNode;
+import java.util.HashMap;
+
+public class ClassContext {
+
+  private HashMap<String, FieldContext> fields;
+
+  public ClassContext(ClassNode classNode) {
+
+    fields = new HashMap<>();
+
+    classNode.members.forEach(member -> {
+      if(member instanceof FieldNode fieldNode) {
+        fields.put(fieldNode.identifier, new FieldContext(fieldNode));
+      }
+    });
+
+  }
+
+  public FieldContext getField(String name) {
+    return fields.get(name);
+  }
+
+}

src/main/java/semantic/context/Context.java

@@ -0,0 +1,24 @@
+package semantic.context;
+
+import ast.ProgramNode;
+import java.util.HashMap;
+
+public class Context {
+
+  private HashMap<String, ClassContext> classes;
+
+  public Context(ProgramNode programNode) {
+    classes = new HashMap<>();
+
+    programNode.classes.forEach(classNode -> {
+      ClassContext classContext = new ClassContext(classNode);
+      classes.put(classNode.identifier, classContext);
+    });
+
+  }
+
+  public ClassContext getClass(String identifier) {
+    return classes.get(identifier);
+  }
+
+}

src/main/java/semantic/context/FieldContext.java

@@ -0,0 +1,21 @@
+package semantic.context;
+
+import ast.member.FieldNode;
+import ast.type.*;
+import ast.type.type.*;
+
+public class FieldContext {
+
+  private AccessModifierNode accessModifier;
+  private ITypeNode type;
+
+  public FieldContext(FieldNode field) {
+    accessModifier = field.accessTypeNode;
+    type = field.type;
+  }
+
+  public ITypeNode getType() {
+    return type;
+  }
+
+}

src/main/java/semantic/exeptions/AlreadyDefinedException.java

@@ -0,0 +1,9 @@
+package semantic.exeptions;
+
+public class AlreadyDefinedException extends RuntimeException {
+
+    public AlreadyDefinedException(String message) {
+        super(message);
+    }
+
+}

src/main/java/semantic/exeptions/MultipleReturnTypes.java

@@ -0,0 +1,9 @@
+package semantic.exeptions;
+
+public class MultipleReturnTypes extends RuntimeException {
+
+    public MultipleReturnTypes(String message) {
+        super(message);
+    }
+
+}

src/main/java/semantic/exeptions/NotDeclearedException.java

@@ -0,0 +1,9 @@
+package semantic.exeptions;
+
+public class NotDeclearedException extends RuntimeException {
+
+    public NotDeclearedException(String message) {
+        super(message);
+    }
+
+}

src/main/java/semantic/exeptions/TypeMismatchException.java

@@ -0,0 +1,9 @@
+package semantic.exeptions;
+
+public class TypeMismatchException extends RuntimeException {
+
+    public TypeMismatchException(String message) {
+        super(message);
+    }
+
+}

src/main/java/typechecker/TypeCheckResult.java

@@ -1,14 +1,14 @@
 package typechecker;
 
 
-import ast.type.TypeNode;
+import ast.type.type.ITypeNode;
 
 public class TypeCheckResult {
 
   private boolean valid;
-  private TypeNode type;
+  private ITypeNode type;
 
-  public TypeCheckResult(boolean valid, TypeNode type) {
+  public TypeCheckResult(boolean valid, ITypeNode type) {
     this.valid = valid;
     this.type = type;
   }
@@ -17,7 +17,7 @@ public class TypeCheckResult {
     return valid;
   }
 
-  public TypeNode getType() {
+  public ITypeNode getType() {
     return type;
   }
 }

src/test/java/parser/ParserTest.java

@@ -4,6 +4,7 @@ import org.antlr.v4.runtime.*;
 import org.antlr.v4.runtime.tree.ParseTree;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import parser.astBuilder.ASTBuilder;
 import parser.generated.SimpleJavaLexer;
 import parser.generated.SimpleJavaParser;