Merge branch 'code-generator' of https://gitea.hb.dhbw-stuttgart.de/i22005/NichtHaskell2.0 into NewParser

.idea/misc.xml

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

src/main/java/ast/ClassNode.java

@@ -4,6 +4,7 @@ import ast.type.AccessModifierNode;
 import ast.members.ConstructorNode;
 import ast.members.MemberNode;
 import ast.members.MethodNode;
+import bytecode.visitor.ClassVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
@@ -44,4 +45,9 @@ public class ClassNode implements ASTNode, Visitable {
         return visitor.analyze(this);
     }
 
+    @Override
+    public void accept(ClassVisitor classVisitor) {
+        classVisitor.visit(this);
+    }
+
 }

src/main/java/ast/ProgramNode.java

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

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

@@ -8,4 +8,6 @@ public interface IExpressionNode extends ASTNode, Visitable {
 
     ITypeNode getType();
 
+    void setType(ITypeNode type);
+
 }

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

@@ -2,10 +2,14 @@ package ast.expressions.binaryexpressions;
 
 import ast.expressions.IExpressionNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class BinaryNode implements IExpressionNode {
+public class BinaryNode implements IExpressionNode, Visitable {
+
+    private ITypeNode typeNode;
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
@@ -14,6 +18,16 @@ public class BinaryNode implements IExpressionNode {
 
     @Override
     public ITypeNode getType() {
-        return null;
+        return typeNode;
+    }
+
+    @Override
+    public void setType(ITypeNode type) {
+        this.typeNode = type;
+    }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
     }
 }

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

@@ -1,6 +1,7 @@
 package ast.expressions.binaryexpressions;
 
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -8,6 +9,7 @@ public class CalculationNode extends BinaryNode {
     public CalculationNode calculationExpression;
     public EnumLineOperator operator;
     public DotNode dotExpression;
+    private ITypeNode typeNode;
 
     public CalculationNode(CalculationNode calculationExpression, String operator, DotNode dotExpression) {
         this.calculationExpression = calculationExpression;
@@ -34,9 +36,10 @@ public class CalculationNode extends BinaryNode {
         return visitor.analyze(this);
     }
 
+
     @Override
-    public ITypeNode getType() {
+    public void accept(MethodVisitor methodVisitor) {
-        return null;
+        methodVisitor.visit(this);
     }
 
 }

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

@@ -1,6 +1,6 @@
 package ast.expressions.binaryexpressions;
 
-import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -35,8 +35,8 @@ public class DotNode extends BinaryNode {
     }
 
     @Override
-    public ITypeNode getType() {
+    public void accept(MethodVisitor methodVisitor) {
-        return null;
+        methodVisitor.visit(this);
     }
 
 }

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

@@ -4,6 +4,7 @@ import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
 import ast.type.type.*;
 import ast.type.ValueNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -37,8 +38,8 @@ public class DotSubstractionNode extends BinaryNode {
     }
 
     @Override
-    public ITypeNode getType() {
+    public void accept(MethodVisitor methodVisitor) {
-        return null;
+        methodVisitor.visit(this);
     }
 
 }

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

@@ -3,6 +3,7 @@ package ast.expressions.binaryexpressions;
 import ast.expressions.IExpressionNode;
 import ast.expressions.unaryexpressions.UnaryNode;
 import ast.type.type.*;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -43,8 +44,8 @@ public class NonCalculationNode extends BinaryNode {
     }
 
     @Override
-    public ITypeNode getType() {
+    public void accept(MethodVisitor methodVisitor) {
-        return null;
+        methodVisitor.visit(this);
     }
 
 }

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

@@ -1,13 +1,19 @@
 package ast.expressions.unaryexpressions;
 
 import ast.ASTNode;
+import bytecode.visitor.MethodVisitor;
+import ast.type.type.ITypeNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class MemberAccessNode implements ASTNode {
+public class MemberAccessNode implements ASTNode, Visitable {
     public Boolean thisExpr;
     public List<String> identifiers = new ArrayList<>();
+    private ITypeNode typeNode;
 
     public MemberAccessNode(Boolean thisExpr) {
         this.thisExpr = thisExpr;
@@ -17,4 +23,21 @@ public class MemberAccessNode implements ASTNode {
         identifiers.add(identifier);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+    
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    public ITypeNode getTypeNode() {
+        return typeNode;
+    }
+
+    public void setTypeNode(ITypeNode typeNode) {
+        this.typeNode = typeNode;
+    }
+
 }

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,31 @@
+package ast.literal;
+
+import ast.expressions.IExpressionNode;
+import ast.type.type.ITypeNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class LiteralNode implements IExpressionNode {
+
+    public String value;
+    private ITypeNode type;
+
+    public LiteralNode(String value, ITypeNode type) {
+        this.value = value;
+        this.type = type;
+    }
+
+    public ITypeNode getType() {
+        return type;
+    }
+
+    public void setType(ITypeNode type) {
+        this.type = type;
+    }
+
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

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

@@ -3,11 +3,14 @@ package ast.members;
 import ast.parameters.ParameterNode;
 import ast.statements.BlockNode;
 import ast.type.AccessModifierNode;
+import bytecode.visitor.MethodVisitor;
+import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
-public class ConstructorNode extends MethodNode  {
+public class ConstructorNode extends MethodNode implements Visitable {
     public AccessModifierNode accessType;
     public String identifier;
     public List<ParameterNode> parameters = new ArrayList<>();
@@ -23,4 +26,22 @@ public class ConstructorNode extends MethodNode  {
         parameters.add(parameterNode);
     }
 
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    public boolean isSame(MethodNode methodNode) {
+        if (!(Objects.equals(this.identifier, methodNode.getIdentifier()))
+                || getParameters().size() != methodNode.getParameters().size()) {
+            return false;
+        }
+
+        for (int i = 0; i < this.getParameters().size(); i++) {
+            if (!this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
+                return false;
+            }
+        }
+        return true;
+    }
 }

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

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

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

@@ -1,11 +1,18 @@
 package ast.members;
 
 import ast.statements.BlockNode;
+import bytecode.visitor.MethodVisitor;
+import visitor.Visitable;
 
-public class MainMethodNode extends MethodNode {
+public class MainMethodNode extends MethodNode implements Visitable {
     public BlockNode block;
 
     public MainMethodNode(BlockNode block) {
         this.block = block;
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
 }

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

@@ -21,7 +21,8 @@ public class MethodNode implements MemberNode, Visitable {
     public List<ParameterNode> parameters = new ArrayList<>();
     public BlockNode block;
 
-    public MethodNode() {}
+    public MethodNode() {
+    }
 
     public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block){
         this.accesModifier = new AccessModifierNode(accessModifier);
@@ -46,7 +47,7 @@ public class MethodNode implements MemberNode, Visitable {
         }
 
         for (int i = 0; i < this.getParameters().size(); i++) {
-            if (this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
+            if (!this.getParameters().get(i).type.equals(methodNode.getParameters().get(i).type)) {
                 return false;
             }
         }

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

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

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

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

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

@@ -1,11 +1,13 @@
 package ast.statementexpressions;
 
 import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.type.type.ITypeNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 public class AssignableNode implements IStatementExpressionNode {
     public String identifier;
+    private ITypeNode typeNode;
 
     public MemberAccessNode memberAccess;
 
@@ -22,4 +24,12 @@ public class AssignableNode implements IStatementExpressionNode {
         return visitor.analyze(this);
     }
 
+    public ITypeNode getTypeNode() {
+        return typeNode;
+    }
+
+    public void setTypeNode(ITypeNode typeNode) {
+        this.typeNode = typeNode;
+    }
+
 }

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

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

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

@@ -2,8 +2,10 @@ package ast.statementexpressions.crementexpressions;
 
 import ast.statementexpressions.AssignableNode;
 import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
 public class DecrementNode implements IStatementExpressionNode {
     public CrementType crementType;
@@ -18,5 +20,4 @@ public class DecrementNode implements IStatementExpressionNode {
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
-
 }

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

@@ -2,6 +2,7 @@ package ast.statementexpressions.crementexpressions;
 
 import ast.statementexpressions.AssignableNode;
 import ast.statementexpressions.IStatementExpressionNode;
+import bytecode.visitor.MethodVisitor;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -18,5 +19,4 @@ public class IncrementNode implements IStatementExpressionNode {
     public TypeCheckResult accept(SemanticVisitor visitor) {
         return visitor.analyze(this);
     }
-
 }

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

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

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

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

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

@@ -3,8 +3,12 @@ package ast.statementexpressions.methodcallstatementnexpressions;
 import ast.ASTNode;
 import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.statementexpressions.NewDeclarationNode;
+import bytecode.visitor.MethodVisitor;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+import visitor.Visitable;
 
-public class TargetNode implements ASTNode {
+public class TargetNode implements ASTNode, Visitable {
     public Boolean thisTar;
     public MemberAccessNode memberAccess;
     public NewDeclarationNode newDeclaration;
@@ -25,4 +29,15 @@ public class TargetNode implements ASTNode {
     public TargetNode(String identifier) {
         this.identifier = identifier;
     }
+
+    @Override
+    public void accept(MethodVisitor methodVisitor) {
+        methodVisitor.visit(this);
+    }
+
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+
 }

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

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

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

@@ -1,11 +1,10 @@
 package ast.statements;
 
-import ast.ASTNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 public class ElseNode implements IStatementNode {
-    BlockNode block;
+    public BlockNode block;
 
     public ElseNode(BlockNode block) {
         this.block = block;
@@ -14,6 +13,6 @@ public class ElseNode implements IStatementNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return null;
+        return visitor.analyze(this);
     }
 }

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

@@ -1,6 +1,5 @@
 package ast.statements;
 
-import ast.ASTNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
@@ -8,9 +7,9 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class IfElseNode implements IStatementNode {
-    IfNode ifStatement;
+    public IfNode ifStatement;
-    List<IfNode> elseIfStatements = new ArrayList<>();
+    public List<IfNode> elseIfStatements = new ArrayList<>();
-    ElseNode elseStatement;
+    public ElseNode elseStatement;
 
     public IfElseNode(IfNode ifStatement, ElseNode elseNode) {
         this.ifStatement = ifStatement;
@@ -23,6 +22,6 @@ public class IfElseNode implements IStatementNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return null;
+        return visitor.analyze(this);
     }
 }

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

@@ -1,13 +1,12 @@
 package ast.statements;
 
-import ast.ASTNode;
 import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 public class IfNode implements IStatementNode {
-    IExpressionNode expression;
+    public IExpressionNode expression;
-    BlockNode block;
+    public BlockNode block;
 
     public IfNode(IExpressionNode expression, BlockNode block) {
         this.expression = expression;
@@ -16,6 +15,6 @@ public class IfNode implements IStatementNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return null;
+        return visitor.analyze(this);
     }
 }

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

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

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

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

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

@@ -5,8 +5,8 @@ import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 public class WhileNode implements IStatementNode {
-    IExpressionNode expression;
+    public IExpressionNode expression;
-    BlockNode block;
+    public BlockNode block;
 
     public WhileNode(IExpressionNode expression, BlockNode block) {
         this.expression = expression;
@@ -15,6 +15,6 @@ public class WhileNode implements IStatementNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return null;
+        return visitor.analyze(this);
     }
 }

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

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

src/main/java/bytecode/ByteCodeGenerator.java

@@ -2,21 +2,89 @@ package bytecode;
 
 import ast.ProgramNode;
 import ast.ClassNode;
+import ast.members.MainMethodNode;
+import ast.members.MemberNode;
 import bytecode.visitor.ProgramVisitor;
 
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Manifest;
+
 public class ByteCodeGenerator implements ProgramVisitor {
 
-  private final String outputDirectoryPath;
+    private JarOutputStream jarOutputStream;
+    private ByteArrayOutputStream byteArrayOutputStream;
+    private String outputDirectory;
+    private boolean generateJar;
+    private boolean generateClassFiles;
 
-  public ByteCodeGenerator(String outputDirectoryPath) {
+    public ByteCodeGenerator(String outputDirectory, boolean generateJar, boolean generateClassFiles) {
-    this.outputDirectoryPath = outputDirectoryPath;
+        this.outputDirectory = outputDirectory;
+        this.generateJar = generateJar;
+        this.generateClassFiles = generateClassFiles;
     }
 
     @Override
     public void visit(ProgramNode programNode) {
+        if(generateJar) {
+            byteArrayOutputStream = new ByteArrayOutputStream();
+            try {
+                Manifest manifest = new Manifest();
+                manifest.getMainAttributes().putValue("Manifest-Version", "1.0");
+                boolean foundMainClass = false;
+                for (ClassNode classNode : programNode.classes) {
+                    if (foundMainClass) {
+                        break;
+                    }
+                    for (MemberNode memberNode : classNode.members) {
+                        if (memberNode instanceof MainMethodNode) {
+                            manifest.getMainAttributes().putValue("Main-Class", classNode.identifier);
+                            foundMainClass = true;
+                            break;
+                        }
+                    }
+                }
+
+
+                jarOutputStream = new JarOutputStream(byteArrayOutputStream, manifest);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+
             for (ClassNode classDeclarationNode : programNode.classes) {
-//      ClassCodeGen classCodeGen = new ClassCodeGen();
+                ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory, generateJar, generateClassFiles);
-//      classDeclarationNode.accept(classCodeGen);
+                classDeclarationNode.accept(classCodeGen);
+            }
+
+            try {
+                jarOutputStream.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            saveJarFile(byteArrayOutputStream.toByteArray(), "output.jar");
+        } else {
+            for (ClassNode classDeclarationNode : programNode.classes) {
+                ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory, generateJar, generateClassFiles);
+                classDeclarationNode.accept(classCodeGen);
+            }
+        }
+    }
+
+    private void saveJarFile(byte[] jarBytes, String jarFileName) {
+        File directory = new File(outputDirectory);
+        if (!directory.exists()) {
+            directory.mkdirs();
+        }
+
+        File jarFile = new File(directory, jarFileName);
+        try (FileOutputStream fos = new FileOutputStream(jarFile)) {
+            fos.write(jarBytes);
+        } catch (IOException e) {
+            e.printStackTrace();
         }
     }
 }

src/main/java/bytecode/ClassCodeGen.java

@@ -10,26 +10,35 @@ import bytecode.visitor.ClassVisitor;
 import java.io.File;
 
 import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Opcodes;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
 
 
 public class ClassCodeGen implements ClassVisitor {
     private Mapper mapper;
     private ClassWriter classWriter;
-    private final String outputDirectoryPath;
+    private JarOutputStream jarOutputStream;
+    private String outputDirectory;
+    private boolean generateJar;
+    private boolean generateClassFiles;
 
-    public ClassCodeGen(String outputDirectoryPath) {
+    public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory, boolean generateJar, boolean generateClassFiles) {
-        this.outputDirectoryPath = outputDirectoryPath;
         mapper = new Mapper();
+        this.jarOutputStream = jarOutputStream;
+        this.outputDirectory = outputDirectory;
+        this.generateJar = generateJar;
+        this.generateClassFiles = generateClassFiles;
     }
 
     @Override
     public void visit(ClassNode classNode) {
         classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
-//        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
+        classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
-//                "java/lang/Object", null);
+                "java/lang/Object", null);
 
         for (MemberNode memberNode : classNode.members) {
             if (memberNode instanceof FieldNode) {
@@ -40,29 +49,31 @@ public class ClassCodeGen implements ClassVisitor {
             }
         }
 
-        classWriter.visitEnd();
+        if (generateJar) {
-        printIntoClassFile(classWriter.toByteArray(), classNode.identifier);
+            writeToJar(classWriter.toByteArray(), classNode.identifier);
+        }
+        if (generateClassFiles) {
+            printIntoClassFile(classWriter.toByteArray(), classNode.identifier, outputDirectory);
+        }
 
         classWriter.visitEnd();
     }
 
     @Override
     public void visit(FieldNode fieldNode) {
-        if(fieldNode.type instanceof BaseType baseTypeNode){
+        if (fieldNode.type instanceof BaseType) {
-//            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
+            classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar((BaseType) fieldNode.type), null, null);
         }
         classWriter.visitEnd();
     }
 
-    private void printIntoClassFile(byte[] byteCode, String name) {
+    private void printIntoClassFile(byte[] byteCode, String name, String outputDirectory) {
-        // String outputDirectoryPath = "src/main/resources/output";
+        File directory = new File(outputDirectory);
-        // System.out.println("Output directory path: " + outputDirectoryPath);
-        File directory = new File(outputDirectoryPath);
         if (!directory.exists()) {
             directory.mkdirs();
         }
 
-        String filePath = outputDirectoryPath + "/" + name + ".class";
+        String filePath = outputDirectory + "/" + name + ".class";
         try {
             FileOutputStream fileOutputStream = new FileOutputStream(filePath);
             fileOutputStream.write(byteCode);
@@ -71,4 +82,15 @@ public class ClassCodeGen implements ClassVisitor {
             e.printStackTrace();
         }
     }
+
+    private void writeToJar(byte[] byteCode, String className) {
+        try {
+            JarEntry jarEntry = new JarEntry(className + ".class");
+            jarOutputStream.putNextEntry(jarEntry);
+            jarOutputStream.write(byteCode);
+            jarOutputStream.closeEntry();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 }

src/main/java/bytecode/Mapper.java

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

src/main/java/bytecode/MethodCodeGen.java

@@ -1,9 +1,31 @@
 package bytecode;
 
+import ast.expressions.IExpressionNode;
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.NotNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
+import ast.members.MainMethodNode;
 import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.CrementType;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
+import ast.type.ValueNode;
+import ast.type.type.BaseType;
+import ast.type.type.ReferenceType;
+import ast.type.type.TypeEnum;
 import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Label;
 import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -25,70 +47,489 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
         localVaribales = new ArrayList<>();
     }
 
+
+    // Method nodes
+
     @Override
     public void visit(ConstructorNode constructorNode) {
-//        methodVisitor =
+        methodVisitor =
-//                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
+                classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.accessType),
-//                        "<init>",
+                        "<init>",
-//                        "()V",
+                        mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), constructorNode.parameters),
-//                        null,
+                        null,
-//                        null);
+                        null);
+
         methodVisitor.visitCode();
+        localVaribales.add("this");
+        // Add all method parameters to localVariables
+        for (ParameterNode parameterNode : constructorNode.parameters) {
+            localVaribales.add(parameterNode.identifier);
+        }
+
         methodVisitor.visitVarInsn(ALOAD, 0);
         methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
-        methodVisitor.visitInsn(RETURN);
+
-        methodVisitor.visitMaxs(1, 1);
+        // Visit all statements
+        for (IStatementNode statementNode : constructorNode.block.statements) {
+            if (statementNode != null) {
+                statementNode.accept(this);
+            }
+        }
+
+        methodVisitor.visitMaxs(0, 0);
+        methodVisitor.visitEnd();
+    }
+
+    @Override
+    public void visit(MainMethodNode mainMethodNode) {
+        methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(mainMethodNode.accesModifier),
+                mainMethodNode.getIdentifier(),
+                "([Ljava/lang/String;)V",
+                null,
+                null);
+
+        methodVisitor.visitCode();
+        localVaribales.add("this");
+        localVaribales.add("args");
+
+        // Visit all statements
+        for (IStatementNode statementNode : mainMethodNode.block.statements) {
+            statementNode.accept(this);
+        }
+
+        methodVisitor.visitMaxs(0, 0);
         methodVisitor.visitEnd();
     }
 
     @Override
     public void visit(MethodNode methodNode) {
-//        if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
+        methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
-//            methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
+                methodNode.getIdentifier(),
-//                    methodNode.identifier,
+                mapper.generateMethodDescriptor((BaseType) methodNode.getType(), methodNode.parameters),
-//                    mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
+                null,
-//                    null,
+                null);
-//                    null);
 
         methodVisitor.visitCode();
         localVaribales.add("this");
-//            for (ParameterNode parameterNode : methodNode.parameters.parameters) {
+        // Add all method parameters to localVariables
-//                localVaribales.add(parameterNode.identifier);
+        for (ParameterNode parameterNode : methodNode.parameters) {
-//            }
+            localVaribales.add(parameterNode.identifier);
+        }
 
-            //test();
+        // Visit all statements
-            methodVisitor.visitMaxs(1, localVaribales.size());
+        for (IStatementNode statementNode : methodNode.block.statements) {
+            statementNode.accept(this);
+        }
+
+        methodVisitor.visitMaxs(0, 0);
         methodVisitor.visitEnd();
-//        }
     }
 
-//    public void test() {
+
-//        Label start = new Label();
+    // Binary expressions
-//        Label loop = new Label();
+
-//        Label end = new Label();
+    @Override
-//        methodVisitor.visitLabel(start);
+    public void visit(BinaryNode binaryNode) {
-//        //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
+        binaryNode.accept(this);
-//        //methodVisitor.visitInsn(Opcodes.ICONST_5);
+    }
-//        methodVisitor.visitLdcInsn(99);
+
-//        // methodVisitor.visitInsn(Opcodes.ICONST_0);
+    @Override
-//        //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
+    public void visit(CalculationNode calculationNode) {
-//        methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
+        if (calculationNode.dotExpression != null) {
-//        methodVisitor.visitLabel(loop);
+            calculationNode.dotExpression.accept(this);
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+        }
-//        methodVisitor.visitInsn(Opcodes.ICONST_5);
+        if (calculationNode.calculationExpression != null) {
-//        methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
+            calculationNode.calculationExpression.accept(this);
-//        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
+        }
-//                "java/lang/System", "out",
+        if (calculationNode.operator != null) {
-//                "Ljava/io/PrintStream;");
+            switch (calculationNode.operator) {
-//        methodVisitor.visitLdcInsn("Bytecode");
+                case PLUS:
-//        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
+                    methodVisitor.visitInsn(IADD);
-//                "java/io/PrintStream", "println",
+                    break;
-//                "(Ljava/lang/String;)V", false);
+                case MINUS:
-//        methodVisitor.visitIincInsn(1, 1);
+                    methodVisitor.visitInsn(ISUB);
-//        methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
+                    break;
-//        methodVisitor.visitLabel(end);
+            }
-//        methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
+        }
-//        methodVisitor.visitInsn(Opcodes.IRETURN);
+    }
-//        methodVisitor.visitEnd();
+
-//    }
+    @Override
+    public void visit(DotNode dotNode) {
+        if (dotNode.dotExpression != null) {
+            dotNode.dotExpression.accept(this);
+        }
+        if (dotNode.dotSubstractionExpression != null) {
+            dotNode.dotSubstractionExpression.accept(this);
+        }
+        if (dotNode.operator != null) {
+            switch (dotNode.operator) {
+                case DIV:
+                    methodVisitor.visitInsn(IDIV);
+                    break;
+                case MULT:
+                    methodVisitor.visitInsn(IMUL);
+                    break;
+                case MOD:
+                    methodVisitor.visitInsn(IREM);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public void visit(DotSubstractionNode dotSubstractionNode) {
+        if (dotSubstractionNode.value != null) {
+            dotSubstractionNode.value.accept(this);
+        } else if (dotSubstractionNode.identifier != null) {
+            methodVisitor.visitVarInsn(ILOAD, localVaribales.indexOf(dotSubstractionNode.identifier));
+        } else if (dotSubstractionNode.memberAccess != null) {
+            dotSubstractionNode.memberAccess.accept(this);
+        } else if (dotSubstractionNode.methodCall != null) {
+            dotSubstractionNode.methodCall.accept(this);
+        } else if (dotSubstractionNode.calculationExpression != null) {
+            dotSubstractionNode.calculationExpression.accept(this);
+        }
+    }
+
+    @Override
+    public void visit(NonCalculationNode nonCalculationNode) {
+        Label labelFalse = new Label();
+        Label labelTrue = new Label();
+        // TODO: Null check
+        switch (nonCalculationNode.operator) {
+            case AND:
+                nonCalculationNode.unaryExpression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse); // Value compared to 0 (false)
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse);
+                break;
+            case OR:
+                nonCalculationNode.unaryExpression.accept(this);
+                methodVisitor.visitJumpInsn(IFNE, labelTrue);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IFEQ, labelFalse);
+                break;
+            case GREATER:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPLE, labelFalse);
+                break;
+            case LESS:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPGE, labelFalse);
+                break;
+            case GREATER_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPLT, labelFalse);
+                break;
+            case LESS_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                methodVisitor.visitJumpInsn(IF_ICMPGT, labelFalse);
+                break;
+            case EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
+                    methodVisitor.visitJumpInsn(IF_ICMPNE, labelFalse);
+                } else {
+                    methodVisitor.visitJumpInsn(IF_ACMPNE, labelFalse);
+                }
+                break;
+            case NOT_EQUAL:
+                nonCalculationNode.unaryExpression.accept(this);
+                nonCalculationNode.expression.accept(this);
+                if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
+                    methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
+                } else {
+                    methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
+                }
+                break;
+        }
+
+        Label labelEndLogicalExpression = new Label();
+
+        methodVisitor.visitLabel(labelTrue);
+        methodVisitor.visitInsn(ICONST_1); // true
+        methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
+
+        methodVisitor.visitLabel(labelFalse);
+        methodVisitor.visitInsn(ICONST_0); // false
+
+        methodVisitor.visitLabel(labelEndLogicalExpression);
+    }
+
+
+    // Unary expressions
+
+    @Override
+    public void visit(MemberAccessNode memberAccessNode) {
+        if (memberAccessNode.thisExpr) {
+            // methodVisitor.visitFieldInsn(PUTFIELD, memberAccessNode.identifiers.get(0), memberAccessNode.identifiers.get(1), );
+        }
+    }
+
+    @Override
+    public void visit(NotNode notNode) {
+        Label labelFalse = new Label();
+        Label labelTrue = new Label();
+
+        notNode.expression.accept(this);
+        methodVisitor.visitJumpInsn(Opcodes.IFNE, labelFalse); // false if value is true (value != 0)
+
+        Label labelEndLogicalExpression = new Label();
+
+        methodVisitor.visitLabel(labelTrue);
+        methodVisitor.visitInsn(ICONST_1); // true
+        methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
+
+        methodVisitor.visitLabel(labelFalse);
+        methodVisitor.visitInsn(ICONST_0); // false
+
+        methodVisitor.visitLabel(labelEndLogicalExpression);
+    }
+
+    @Override
+    public void visit(UnaryNode unaryNode) {
+        if (unaryNode.thisExp != null) {
+            methodVisitor.visitVarInsn(ALOAD, 0); // this
+        } else if (unaryNode.identifier != null) {
+            methodVisitor.visitVarInsn(ILOAD, localVaribales.indexOf(unaryNode.identifier));
+        } else if (unaryNode.memberAccess != null) {
+            unaryNode.memberAccess.accept(this);
+        } else if (unaryNode.value != null) {
+            unaryNode.value.accept(this);
+        } else if (unaryNode.notExpression != null) {
+            unaryNode.notExpression.accept(this);
+        } else if (unaryNode.statement != null) {
+            unaryNode.statement.accept(this);
+        } else if (unaryNode.expression != null) {
+            unaryNode.expression.accept(this);
+        }
+    }
+
+
+    // Statements
+
+    @Override
+    public void visit(IfElseNode ifElseNode) {
+        Label elseLabel = new Label();
+
+        Label[] elseIfLabels = new Label[ifElseNode.elseIfStatements.size()];
+        for (int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
+            elseIfLabels[i] = new Label();
+        }
+
+        ifElseNode.ifStatement.expression.accept(this);
+        if (ifElseNode.elseIfStatements.isEmpty()) {
+            // No else if
+            methodVisitor.visitJumpInsn(IFEQ, elseLabel);
+        } else {
+            // else if statements
+            methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[0]);
+        }
+        ifElseNode.ifStatement.block.accept(this); // accept if block
+
+        Label endLabel = new Label();
+        methodVisitor.visitJumpInsn(GOTO, endLabel);
+
+        for (int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
+            methodVisitor.visitLabel(elseIfLabels[i]);
+            ifElseNode.elseIfStatements.get(i).expression.accept(this);
+            if (i + 1 < elseIfLabels.length) {
+                // at least one more else if
+                methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[i + 1]);
+            } else {
+                methodVisitor.visitJumpInsn(IFEQ, elseLabel);
+            }
+            ifElseNode.elseIfStatements.get(i).block.accept(this);
+            methodVisitor.visitJumpInsn(GOTO, endLabel);
+        }
+
+        if (ifElseNode.elseStatement != null) {
+            methodVisitor.visitLabel(elseLabel);
+            ifElseNode.elseStatement.block.accept(this);
+        }
+
+        methodVisitor.visitLabel(endLabel);
+    }
+
+    @Override
+    public void visit(LocalVariableDeclarationNode localVariableDeclarationNode) {
+        if (localVariableDeclarationNode.expression != null) {
+            // Process expression
+            localVariableDeclarationNode.expression.accept(this);
+            // Store result of expression in variable
+            if (localVaribales.contains(localVariableDeclarationNode.identifier)) {
+                if (localVariableDeclarationNode.type instanceof BaseType) {
+                    methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
+                } else if (localVariableDeclarationNode.type instanceof ReferenceType) {
+                    methodVisitor.visitVarInsn(ASTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
+                }
+            } else {
+                localVaribales.add(localVariableDeclarationNode.identifier);
+                if (localVariableDeclarationNode.type instanceof BaseType) {
+                    methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
+                } else if (localVariableDeclarationNode.type instanceof ReferenceType) {
+                    methodVisitor.visitVarInsn(ASTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
+                }
+            }
+        } else {
+            if (!localVaribales.contains(localVariableDeclarationNode.identifier)) {
+                localVaribales.add(localVariableDeclarationNode.identifier);
+            }
+        }
+    }
+
+    @Override
+    public void visit(AssignNode assignNode) {
+        // Process expression
+        if (assignNode.expression instanceof IncrementNode) {
+            IncrementNode incrementNode = (IncrementNode) assignNode.expression;
+            if (incrementNode.crementType.equals(CrementType.PREFIX)) { // ++i
+                methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
+                assign(assignNode);
+            } else if (incrementNode.crementType.equals(CrementType.SUFFIX)) { // Suffix: i++
+                assign(assignNode);
+                methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
+            }
+        } else if (assignNode.expression instanceof DecrementNode) {
+            DecrementNode decrementNode = (DecrementNode) assignNode.expression;
+            if (decrementNode.crementType.equals(CrementType.PREFIX)) {
+                methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), -1);
+                assign(assignNode);
+            } else if (decrementNode.crementType.equals(CrementType.SUFFIX)) {
+                assign(assignNode);
+                methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), 1);
+            }
+        } else {
+            assignNode.expression.accept(this);
+        }
+    }
+
+    private void assign(AssignNode assignNode) {
+        // Store result of expression in variable
+        if (assignNode.assignable.memberAccess.thisExpr) {
+            // Global var
+            methodVisitor.visitVarInsn(ALOAD, 0);
+            if (assignNode.expression instanceof BaseType) {
+                //methodVisitor.visitFieldInsn(PUTFIELD, class name, var identifier, mapper.getTypeChar(((BaseTypeNode) type).enumType));
+            } else if (assignNode.expression instanceof ReferenceType) {
+                //methodVisitor.visitFieldInsn(PUTFIELD, class name, var identifier, "L"class name object +";");
+            }
+        } else {
+            // Local var
+            if (assignNode.expression instanceof BaseType) {
+                methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(assignNode.assignable.identifier));
+            } else if (assignNode.expression instanceof ReferenceType) {
+                methodVisitor.visitVarInsn(ASTORE, localVaribales.indexOf(assignNode.assignable.identifier));
+            }
+        }
+    }
+
+    @Override
+    public void visit(NewDeclarationNode newDeclarationNode) {
+        methodVisitor.visitTypeInsn(NEW, newDeclarationNode.identifier);
+        methodVisitor.visitInsn(DUP);
+        for (IExpressionNode expressionNode : newDeclarationNode.expressions) {
+            expressionNode.accept(this);
+        }
+        // TODO
+        //methodVisitor.visitMethodInsn(INVOKESPECIAL, class name, "<init>", mapper.generateMethodDescriptor(), false);
+        // TODO: kann ein Field auch definiert werden? Abfrage ob local var oder field
+        localVaribales.add(newDeclarationNode.identifier);
+    }
+
+    @Override
+    public void visit(ValueNode valueNode) {
+        switch (valueNode.valueType) {
+            case INT_VALUE:
+                int intValue = Integer.parseInt(valueNode.value);
+                if (intValue >= Byte.MIN_VALUE && intValue <= Byte.MAX_VALUE) { // load int as byte
+                    methodVisitor.visitIntInsn(BIPUSH, intValue);
+                } else if (intValue >= Short.MIN_VALUE && intValue <= Short.MAX_VALUE) { // load int as short
+                    methodVisitor.visitIntInsn(SIPUSH, intValue);
+                } else { // load int as const
+                    methodVisitor.visitLdcInsn(intValue);
+                }
+                break;
+            case BOOLEAN_VALUE:
+                if (valueNode.value.equals("true")) {
+                    methodVisitor.visitInsn(ICONST_1);
+                } else {
+                    methodVisitor.visitInsn(ICONST_0);
+                }
+                break;
+            case CHAR_VALUE:
+                char charValue = valueNode.value.charAt(0);
+                if (charValue <= Byte.MAX_VALUE) { // load char as byte
+                    methodVisitor.visitIntInsn(BIPUSH, charValue);
+                } else if (charValue <= Short.MAX_VALUE) { // load char as short
+                    methodVisitor.visitIntInsn(SIPUSH, charValue);
+                } else { // load char as const
+                    methodVisitor.visitLdcInsn(charValue);
+                }
+                break;
+            case NULL_VALUE:
+                methodVisitor.visitInsn(ACONST_NULL);
+                break;
+        }
+    }
+
+    @Override
+    public void visit(ReturnNode returnNode) {
+        if (returnNode.voidReturn) { // Return nothing
+            methodVisitor.visitInsn(RETURN);
+        } else { // Return something
+            // Process expression
+            returnNode.expression.accept(this);
+            // Return result of expression
+            if (returnNode.expression.getType() instanceof BaseType) {
+                methodVisitor.visitInsn(IRETURN);
+            } else if (returnNode.expression.getType() instanceof ReferenceType) {
+                methodVisitor.visitInsn(ARETURN);
+            }
+        }
+    }
+
+
+    @Override
+    public void visit(WhileNode whileNode) {
+        Label loopLabel = new Label();
+        Label endOfLoopLabel = new Label();
+
+        methodVisitor.visitLabel(loopLabel);
+        // while loop
+        whileNode.expression.accept(this);
+        methodVisitor.visitJumpInsn(IFEQ, endOfLoopLabel); // if condition is false, jump out of loop
+
+        // TODO: Unterscheidung bei increment/decrement der for Schleife
+        if (whileNode.block.statements.size() == 2) { // For loop
+            whileNode.block.statements.get(0).accept(this);
+
+        } else {
+            whileNode.block.statements.get(0).accept(this);
+        }
+        whileNode.block.accept(this);
+        methodVisitor.visitJumpInsn(GOTO, loopLabel);
+
+        methodVisitor.visitLabel(endOfLoopLabel);
+    }
+
+    @Override
+    public void visit(ChainedMethodNode chainedMethodNode) {
+
+    }
+
+    @Override
+    public void visit(MethodCallNode methodCallNode) {
+
+    }
+
+    @Override
+    public void visit(TargetNode targetNode) {
+
+    }
 }

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

@@ -1,9 +1,57 @@
 package bytecode.visitor;
 
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.NotNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
+import ast.members.MainMethodNode;
 import ast.members.MethodNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
+import ast.type.ValueNode;
 
 public interface MethodVisitor {
+    // members
     void visit(ConstructorNode constructorNode);
     void visit(MethodNode methodNode);
+    void visit(MainMethodNode mainMethodNode);
+
+    // Binary expressions
+    void visit(BinaryNode binaryNode);
+    void visit(CalculationNode calculationNode);
+    void visit(DotNode dotNode);
+    void visit(DotSubstractionNode dotSubstractionNode);
+    void visit(NonCalculationNode nonCalculationNode);
+
+    // Unary expressions
+    void visit(MemberAccessNode memberAccessNode);
+    void visit(NotNode notExpressionNode);
+    void visit(UnaryNode unaryExpressionNode);
+
+    // statements
+    void visit(IfElseNode ifElseNode);
+
+    void visit(LocalVariableDeclarationNode localVariableDeclarationNode);
+    void visit(ReturnNode returnNode);
+    void visit(WhileNode whileNode);
+
+    // statement expression
+    void visit(ChainedMethodNode chainedMethodNode);
+    void visit(MethodCallNode methodCallNode);
+    void visit(TargetNode targetNode);
+
+    void visit(AssignNode assignNode);
+    void visit(NewDeclarationNode newDeclarationNode);
+
+    // type
+    void visit(ValueNode valueNode);
+
 }

src/main/java/semantic/SemanticAnalyzer.java

@@ -9,6 +9,7 @@ import java.util.Objects;
 import ast.*;
 import ast.expressions.IExpressionNode;
 import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.ConstructorNode;
 import ast.members.FieldNode;
@@ -21,8 +22,13 @@ import ast.statementexpressions.NewDeclarationNode;
 import ast.statementexpressions.crementexpressions.DecrementNode;
 import ast.statementexpressions.crementexpressions.IncrementNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
+import ast.type.AccessModifierNode;
+import ast.type.EnumAccessModifierNode;
+import ast.type.ValueNode;
 import ast.type.type.*;
+import com.sun.jdi.IntegerType;
 import semantic.context.Context;
 import semantic.exceptions.*;
 import typechecker.TypeCheckResult;
@@ -134,26 +140,20 @@ public class SemanticAnalyzer implements SemanticVisitor {
                 }
 
             }
-            // Check if this method is already declared
 
             currentMethodReturnType = methodNode.getType();
-            currentNullType = currentMethodReturnType; // Solange nicht in einem Assign oder Methoden-Aufruf dieser Typ
+            currentNullType = currentMethodReturnType;
 
-            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();
+            ITypeNode resultType = result.getType();
 
             if (resultType == null) {
                 resultType = new BaseType(TypeEnum.VOID);
             }
-            if (!resultType.equals(methodNode.getType())) {
+            if (methodNode.getType() == null) {
-                errors.add(new TypeMismatchException("Method-Declaration " + methodNode.getIdentifier() + " with type "
+                methodNode.setType(new BaseType(TypeEnum.VOID));
-                        + methodNode.getType() + " has at least one Mismatching return Type:"));
-                valid = false;
             }
 
             return new TypeCheckResult(valid, resultType);
@@ -174,65 +174,98 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
     @Override
     public TypeCheckResult analyze(IfNode toCheck) {
+        toCheck.block.accept(this);
+
+        var resultExpression = toCheck.expression.accept(this);
+        if (resultExpression.isValid()) {
+            if (!resultExpression.getType().equals(new BaseType(TypeEnum.BOOL))) {
+                errors.add(new TypeMismatchException("Expression must be Boolean"));
+                return new TypeCheckResult(false, new BaseType(TypeEnum.VOID));
+            }
+        }
+
         return new TypeCheckResult(true, null);
     }
 
     @Override
     public TypeCheckResult analyze(ReturnNode toCheck) {
-
         if (toCheck.expression != null) {
             var result = toCheck.expression.accept(this);
-            return new TypeCheckResult(true, result.getType());
+            if (result.isValid()) {
-        } else {
+                if (!result.getType().equals(currentMethodReturnType)) {
-            return new TypeCheckResult(false, null);
+                    errors.add(new TypeMismatchException("Mismatched return Type from method"));
                 }
+            }
+            return new TypeCheckResult(true, result.getType());
+        } else if (toCheck.voidReturn) {
+            return new TypeCheckResult(true, new BaseType(TypeEnum.VOID));
+        }
+        return new TypeCheckResult(true, null);
 
     }
 
     @Override
     public TypeCheckResult analyze(WhileNode toCheck) {
-        return null;
+        var expResult = toCheck.expression.accept(this);
+        var blockRes = toCheck.block.accept(this);
+        return new TypeCheckResult(expResult.isValid() && blockRes.isValid(), blockRes.getType());
     }
 
     @Override
     public TypeCheckResult analyze(ParameterNode toCheck) {
-
+        return new TypeCheckResult(true, toCheck.type);
-
-        return new TypeCheckResult(true, null);
     }
 
     @Override
     public TypeCheckResult analyze(BlockNode blockNode) {
         ITypeNode blockReturnType = null;
+        if (blockNode.statements.isEmpty()) {
+            return new TypeCheckResult(true, null);
+        }
         for (IStatementNode statementNode : blockNode.statements) {
             var result = statementNode.accept(this);
+            if(!(statementNode instanceof IncrementNode) && !(statementNode instanceof DecrementNode)){
                 if (result.getType() != null) {
                     if (blockReturnType == null) {
                         blockReturnType = result.getType();
                     } else {
+                        if (!blockReturnType.equals(result.getType())) {
                             errors.add(new MultipleReturnTypes("There are multiple Return types"));
                         }
                     }
                 }
+            }
+        }
         return new TypeCheckResult(true, blockReturnType);
     }
 
     @Override
     public TypeCheckResult analyze(AssignableNode toCheck) {
-        return new TypeCheckResult(true, currentFields.get(toCheck.identifier));
+
+        if (toCheck.memberAccess != null) {
+            var result = toCheck.memberAccess.accept(this);
+            toCheck.setTypeNode(result.getType());
+            return result;
+        } else {
+            if (currentFields.get(toCheck.identifier) != null) {
+                var type = currentFields.get(toCheck.identifier);
+                toCheck.setTypeNode(type);
+                return new TypeCheckResult(true, type);
+            } else if (currentScope.getLocalVar(toCheck.identifier) != null) {
+                var type = currentScope.getLocalVar(toCheck.identifier);
+                return new TypeCheckResult(true, type);
+            }
+        }
+
+        return new TypeCheckResult(true, null);
 
     }
 
     @Override
     public TypeCheckResult analyze(ElseNode toCheck) {
-        return null;
+        return toCheck.block.accept(this);
     }
 
-    /*@Override
-    public TypeCheckResult analyze(ForNode toCheck) {
-        return null;
-    }*/
-
     @Override
     public TypeCheckResult analyze(AssignNode toCheck) {
         AssignableNode assignable = toCheck.assignable;
@@ -258,33 +291,61 @@ public class SemanticAnalyzer implements SemanticVisitor {
         currentNullType = lResult.getType();
         var rResult = rExpression.accept(this);
 
-        if (!Objects.equals(currentScope.getLocalVar(toCheck.assignable.identifier), rExpression.getType())) {
+        if (!Objects.equals(lResult.getType(), rResult.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(DecrementNode toCheck) {
+    public TypeCheckResult analyze(DecrementNode decrementNode) {
-        return null;
+        return decrementNode.assignableExpression.accept(this);
     }
 
     @Override
     public TypeCheckResult analyze(IfElseNode toCheck) {
-        return new TypeCheckResult(true, null);
+        var resultIf = toCheck.ifStatement.accept(this);
+        var resultElse = toCheck.elseStatement.accept(this);
+
+        return new TypeCheckResult(resultIf.isValid() && resultElse.isValid(), new BaseType(TypeEnum.VOID));
     }
 
     @Override
     public TypeCheckResult analyze(MethodCallNode toCheck) {
-        return null;
+
+        if (toCheck.target.identifier != null) {
+            var targetType = currentScope.getLocalVar(toCheck.target.identifier);
+            if (targetType == null) {
+                targetType = currentFields.get(toCheck.target.identifier);
+            }
+            if (targetType instanceof ReferenceType reference) {
+                var type = getTypeFromMethod(toCheck, reference);
+                if (type != null) {
+                    return new TypeCheckResult(true, type);
+                } else {
+                    return new TypeCheckResult(false, null);
+                }
+
+            }
+        } else {
+            if (toCheck.target.thisTar) {
+                var type = getTypeFromMethod(toCheck, new ReferenceType(currentClass.identifier));
+                if (type != null) {
+                    return new TypeCheckResult(true, type);
+                }
+            } else {
+                var result = toCheck.target.accept(this);
+                if (result.getType() instanceof ReferenceType reference) {
+                    return new TypeCheckResult(true, getTypeFromMethod(toCheck, reference));
+                }
+            }
+        }
+        return new TypeCheckResult(false, null);
     }
 
     @Override
@@ -295,6 +356,9 @@ public class SemanticAnalyzer implements SemanticVisitor {
             TypeCheckResult result = localVarDecl.expression.accept(this);
 
             var resultType = localVarDecl.expression.getType();
+            if (result.getType() != null) {
+                resultType = result.getType();
+            }
             valid = result.isValid() && valid;
 
             if (!Objects.equals(resultType, localVarDecl.type)) {
@@ -316,12 +380,17 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
     @Override
     public TypeCheckResult analyze(NewDeclarationNode toCheck) {
+
+        if (context.containsClass(toCheck.identifier)) {
+            return new TypeCheckResult(true, new ReferenceType(toCheck.identifier));
+        }
+
         return null;
     }
 
     @Override
     public TypeCheckResult analyze(IncrementNode toCheck) {
-        return null;
+        return toCheck.assignableExpression.accept(this);
     }
 
     @Override
@@ -332,38 +401,223 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(CalculationNode calcNode) {
         if (calcNode.calculationExpression != null) {
-            calcNode.calculationExpression.accept(this);
+            var calcRes = calcNode.calculationExpression.accept(this);
+            if (calcNode.dotExpression != null) {
+                var dotRes = calcNode.dotExpression.accept(this);
+
+                switch (calcNode.operator) {
+                    case PLUS, MINUS:
+                        if (calcRes.getType() instanceof BaseType calcType && dotRes.getType() instanceof BaseType dotType &&
+                                calcType.getTypeEnum().equals(TypeEnum.INT) && dotType.getTypeEnum().equals(TypeEnum.INT)) {
+                            return new TypeCheckResult(true, new BaseType(TypeEnum.INT));
                         }
-        return null;
+                        break;
+                    default:
+                }
+
+            } else {
+                return new TypeCheckResult(calcRes.isValid(), calcRes.getType());
+            }
+        } else if (calcNode.dotExpression != null) {
+            var dotRes = calcNode.dotExpression.accept(this);
+            return new TypeCheckResult(dotRes.isValid(), dotRes.getType());
+        }
+        return new TypeCheckResult(false, null);
     }
 
     @Override
     public TypeCheckResult analyze(DotNode toCheck) {
-        return null;
+        if (toCheck.dotSubstractionExpression != null) {
+            return toCheck.dotSubstractionExpression.accept(this);
+        }
+        return new TypeCheckResult(false, null);
     }
 
     @Override
     public TypeCheckResult analyze(DotSubstractionNode toCheck) {
+        if (toCheck.value != null) {
+            return toCheck.value.accept(this);
+        } else if (toCheck.memberAccess != null) {
+            return toCheck.memberAccess.accept(this);
+        } else if (toCheck.methodCall != null) {
+            return toCheck.methodCall.accept(this);
+        } else if (toCheck.identifier != null) {
+            if (currentScope.contains(toCheck.identifier)) {
+                return new TypeCheckResult(true, currentScope.getLocalVar(toCheck.identifier));
+            } else if (currentFields.get(toCheck.identifier) != null) {
+                return new TypeCheckResult(true, currentFields.get(toCheck.identifier));
+            }
+        } else if (toCheck.calculationExpression != null) {
+            return toCheck.calculationExpression.accept(this);
+        }
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(NonCalculationNode toCheck) {
+    public TypeCheckResult analyze(NonCalculationNode nonCalculationNode) {
-        return null;
+        var expResult = nonCalculationNode.expression.accept(this);
+        var unaryResult = nonCalculationNode.unaryExpression.accept(this);
+
+        switch (nonCalculationNode.operator) {
+            case LESS, LESS_EQUAL, GREATER, GREATER_EQUAL:
+                if (expResult.getType() instanceof BaseType expResultType && expResultType.getTypeEnum().equals(TypeEnum.INT) &&
+                        unaryResult.getType() instanceof BaseType unaryResultType && unaryResultType.getTypeEnum().equals(TypeEnum.INT)) {
+                    return new TypeCheckResult(true, new BaseType(TypeEnum.BOOL));
+                } else {
+                    errors.add(new TypeMismatchException("Both types must be Integer"));
+                }
+                break;
+            case OR, AND:
+                if (expResult.getType() instanceof BaseType expResultType && expResultType.getTypeEnum().equals(TypeEnum.INT) &&
+                        unaryResult.getType() instanceof BaseType unaryResultType && unaryResultType.getTypeEnum().equals(TypeEnum.INT)) {
+                    return new TypeCheckResult(true, new BaseType(TypeEnum.BOOL));
+                } else {
+                    errors.add(new TypeMismatchException("Both types must be Boolean"));
+                }
+                break;
+            case EQUAL, NOT_EQUAL:
+                if (expResult.getType() instanceof BaseType expResultType && unaryResult.getType() instanceof BaseType unaryResultType
+                        && Objects.equals(expResultType, unaryResultType)) {
+                    return new TypeCheckResult(true, new BaseType(TypeEnum.BOOL));
+                } else {
+                    errors.add(new TypeMismatchException("Both types must be the same"));
+                }
+
+        }
+        return new TypeCheckResult(false, null);
     }
 
     @Override
     public TypeCheckResult analyze(UnaryNode unary) {
         var valid = true;
 
+        if (unary.identifier != null) {
             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 if (unary.statement != null) {
+                var result = unary.statement.accept(this);
+                unary.setType(result.getType());
+                return result;
             } else {
                 errors.add(new NotDeclaredException("Var is not Declared"));
             }
-        return new TypeCheckResult(valid, null);
+        } else if (unary.statement != null) {
+            var result = unary.statement.accept(this);
+            return new TypeCheckResult(result.isValid(), result.getType());
+        } else if (unary.value != null) {
+            var result = unary.value.accept(this);
+            return new TypeCheckResult(result.isValid(), result.getType());
+        } else if (unary.memberAccess != null) {
+            var result = unary.memberAccess.accept(this);
+            return new TypeCheckResult(result.isValid(), result.getType());
+        } else if (unary.expression != null) {
+            var result = unary.expression.accept(this);
+            return new TypeCheckResult(result.isValid(), result.getType());
+        }
+
+        return new TypeCheckResult(false, null);
+    }
+
+    @Override
+    public TypeCheckResult analyze(MemberAccessNode memberAccessNode) {
+
+        ITypeNode currentType = null;
+
+        for (String s : memberAccessNode.identifiers) {
+            if (currentType == null) {
+                if (currentScope.getLocalVar(s) != null) {
+                    currentType = currentScope.getLocalVar(s);
+
+                } else if (currentFields.get(s) != null) {
+                    currentType = currentFields.get(s);
+                } else {
+                    errors.add(new NotDeclaredException(s + "Not Declared"));
+                    return new TypeCheckResult(false, null);
+                }
+
+            } else {
+                if (currentType instanceof ReferenceType reference) {
+                    var currentTypeClass = context.getClass(reference.getIdentifier());
+
+                    var currentField = currentTypeClass.getField(s);
+                    if (currentField.getAccessModifier().accessType == EnumAccessModifierNode.PUBLIC) {
+                        currentType = currentField.getType();
+                    } else {
+                        errors.add(new NotVisibleException("This field is not visible"));
+                        return new TypeCheckResult(false, null);
+                    }
+                }
+            }
+
+        }
+
+        return new TypeCheckResult(true, currentType);
+    }
+
+    @Override
+    public TypeCheckResult analyze(TargetNode targetNode) {
+
+        if (targetNode.memberAccess != null) {
+            return targetNode.memberAccess.accept(this);
+        }
+        return null;
+    }
+
+    @Override
+    public TypeCheckResult analyze(ValueNode valueNode) {
+
+        switch (valueNode.valueType) {
+            case INT_VALUE -> {
+                return new TypeCheckResult(true, new BaseType(TypeEnum.INT));
+            }
+            case CHAR_VALUE -> {
+                return new TypeCheckResult(true, new BaseType(TypeEnum.CHAR));
+            }
+            case BOOLEAN_VALUE -> {
+                return new TypeCheckResult(true, new BaseType(TypeEnum.BOOL));
+            }
+            default -> {
+                return new TypeCheckResult(false, null);
+            }
+        }
+    }
+
+    private ITypeNode getTypeFromMethod(MethodCallNode toCheck, ReferenceType reference) {
+        var classContext = context.getClass(reference.getIdentifier());
+
+        if (classContext == null) {
+            errors.add(new NotDeclaredException(toCheck.target.identifier + "is not Defined"));
+        } else {
+            var methods = classContext.getMethods();
+            for (var method : methods) {
+                if (toCheck.identifier.equals(method.getIdentifier())) {
+                    if (method.getParameters().size() == toCheck.parameters.size() && !(method instanceof ConstructorNode)) {
+                        boolean same = true;
+                        for (int i = 0; i < method.getParameters().size(); i++) {
+                            var result1 = method.getParameters().get(i).accept(this);
+                            var result2 = toCheck.parameters.get(i).accept(this);
+                            if (!Objects.equals(result1.getType(), result2.getType())) {
+                                same = false;
+                            }
+                        }
+                        if (same) {
+                            if (method.accesModifier.accessType == EnumAccessModifierNode.PUBLIC) {
+                                if (method.getType() == null) {
+                                    return new BaseType(TypeEnum.VOID);
+                                }
+                                return method.getType();
+                            } else {
+                                errors.add(new NotVisibleException("This Method is not Visible"));
+                            }
+                        }
+                    }
+                }
+            }
+            errors.add(new WrongOverloading("No Method found with this parameters"));
+        }
+        return null;
     }
 
 }

src/main/java/semantic/SemanticVisitor.java

@@ -2,6 +2,7 @@ package semantic;
 
 import ast.*;
 import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.MemberAccessNode;
 import ast.expressions.unaryexpressions.UnaryNode;
 import ast.members.*;
 import ast.parameters.ParameterNode;
@@ -11,7 +12,9 @@ import ast.statementexpressions.NewDeclarationNode;
 import ast.statementexpressions.crementexpressions.DecrementNode;
 import ast.statementexpressions.crementexpressions.IncrementNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
+import ast.type.ValueNode;
 import typechecker.TypeCheckResult;
 
 public interface SemanticVisitor {
@@ -38,8 +41,6 @@ public interface SemanticVisitor {
 
     TypeCheckResult analyze(ElseNode toCheck);
 
-    //TypeCheckResult analyze(ForNode toCheck);
-
     TypeCheckResult analyze(AssignNode toCheck);
 
     TypeCheckResult analyze(DecrementNode toCheck);
@@ -66,4 +67,10 @@ public interface SemanticVisitor {
 
     TypeCheckResult analyze(UnaryNode toCheck);
 
+    TypeCheckResult analyze(MemberAccessNode toCheck);
+
+    TypeCheckResult analyze(TargetNode toCheck);
+
+    TypeCheckResult analyze(ValueNode toCheck);
+
 }

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

@@ -2,11 +2,15 @@ package semantic.context;
 
 import ast.ClassNode;
 import ast.members.FieldNode;
+import ast.members.MethodNode;
+
+import java.util.ArrayList;
 import java.util.HashMap;
 
 public class ClassContext {
 
   private HashMap<String, FieldContext> fields;
+  private ArrayList<MethodNode> methods = new ArrayList<>();
 
   public ClassContext(ClassNode classNode) {
 
@@ -15,6 +19,8 @@ public class ClassContext {
     classNode.members.forEach(member -> {
       if(member instanceof FieldNode fieldNode) {
         fields.put(fieldNode.identifier, new FieldContext(fieldNode));
+      }else if(member instanceof MethodNode methodNode) {
+        methods.add(methodNode);
       }
     });
 
@@ -24,4 +30,8 @@ public class ClassContext {
     return fields.get(name);
   }
 
+  public ArrayList<MethodNode> getMethods() {
+    return methods;
+  }
+
 }

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

@@ -21,4 +21,8 @@ public class Context {
     return classes.get(identifier);
   }
 
+  public boolean containsClass(String identifier) {
+    return classes.containsKey(identifier);
+  }
+
 }

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

@@ -18,4 +18,8 @@ public class FieldContext {
     return type;
   }
 
+  public AccessModifierNode getAccessModifier() {
+    return accessModifier;
+  }
+
 }

src/main/java/semantic/exceptions/NotVisibleException.java

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

src/main/java/semantic/exceptions/WrongOverloading.java

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

src/test/java/semantic/EndToTypedAstTest.java

@@ -26,11 +26,37 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.junit.jupiter.api.Test;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 public class EndToTypedAstTest {
     private static final Map<String, Class<?>> exceptionMap = new HashMap<>();
 
+    @Test
+    public void testOnlyOneFile() {
+        SemanticAnalyzer.clearAnalyzer();
+
+        CharStream codeCharStream = null;
+        try {
+            codeCharStream = CharStreams.fromPath(Paths.get("src/test/resources/input/typedAstFeaturesTests/CorrectTest.java"));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        SimpleJavaLexer lexer = new SimpleJavaLexer(codeCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+
+        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
+        ParseTree parseTree = parser.program(); // parse the input
+
+        /* ------------------------- AST builder -> AST ------------------------- */
+        ASTBuilder astBuilder = new ASTBuilder();
+        ProgramNode abstractSyntaxTree = (ProgramNode) astBuilder.visit(parseTree);
+
+        var result = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+
+        assertTrue(SemanticAnalyzer.errors.isEmpty());
+    }
+
     @Test
     public void exceptionsTest() {
         String directoryPath = "src/test/resources/input/typedAstExceptionsTests";
@@ -115,6 +141,9 @@ public class EndToTypedAstTest {
                     ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
 
                     System.out.println("Testing the file: " + file.getName());
+                    for(Exception runtimeException : SemanticAnalyzer.errors){
+                        runtimeException.printStackTrace();
+                    }
                     assertTrue(SemanticAnalyzer.errors.isEmpty());
                     assertNotNull(typedAst);
                 }
@@ -127,9 +156,8 @@ public class EndToTypedAstTest {
     }
 
 
-
-
     // ------------------ Helpers ------------------
+
     /**
      * This method is used to extract the expected exception from a given file.
      * It reads the file line by line and uses a regular expression to match the expected exception annotation.

src/test/java/semantic/Mocker.java

@@ -1,102 +0,0 @@
-package semantic;
-
-import ast.*;
-import ast.members.FieldNode;
-import ast.members.MethodNode;
-import ast.parameters.ParameterNode;
-import ast.type.AccessModifierNode;
-import ast.type.type.*;
-
-public class Mocker {
-
-    public static ASTNode mockTwoSameFields(){
-        ProgramNode p = new ProgramNode();
-
-        ClassNode c = new ClassNode();
-        c.identifier = "testClass";
-
-        FieldNode f1 = new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a");
-
-        c.members.add(f1);
-
-        FieldNode f2 = new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a");
-
-        c.members.add(f2);
-
-        p.classes.add(c);
-        return p;
-    }
-
-    public static ASTNode mockSimpleMethod(){
-        ProgramNode p = new ProgramNode();
-
-        ClassNode c = new ClassNode();
-
-        MethodNode methodNode = new MethodNode();
-
-        //Parameter
-        ParameterNode parameterNode = new ParameterNode(new BaseType(TypeEnum.INT), "a");
-
-        methodNode.addParameter(parameterNode);
-
-        //Statements
-
-        //Block
-        methodNode.block = new ast.statements.BlockNode();
-
-        c.members.add(methodNode);
-
-        p.classes.add(c);
-
-        return p;
-    }
-
-    public static ASTNode mockTwoSameMethods(){
-        ProgramNode p = new ProgramNode();
-
-        ClassNode c = new ClassNode();
-
-        MethodNode methodNode = new MethodNode();
-        methodNode.block = new ast.statements.BlockNode();
-        methodNode.setType(new BaseType(TypeEnum.INT));
-
-        methodNode.setIdentifier("testMethod");
-
-        c.members.add(methodNode);
-
-        MethodNode methodNode1 = new MethodNode();
-        methodNode1.block = new ast.statements.BlockNode();
-        methodNode1.setType(new BaseType(TypeEnum.INT));
-
-        methodNode1.setIdentifier("testMethod");
-
-        c.members.add(methodNode1);
-
-        p.classes.add(c);
-
-        return p;
-    }
-
-    public static ASTNode mockTwoDifferentMethods(){
-        ProgramNode p = new ProgramNode();
-
-        ClassNode c = new ClassNode();
-
-        MethodNode methodNode = new MethodNode();
-        methodNode.block = new ast.statements.BlockNode();
-        methodNode.setIdentifier("testMethod");
-
-        c.members.add(methodNode);
-
-        MethodNode methodNode1 = new MethodNode();
-        methodNode1.block = new ast.statements.BlockNode();
-        methodNode1.setIdentifier("testMethod1");
-
-        c.members.add(methodNode1);
-
-        p.classes.add(c);
-
-        return p;
-    }
-
-}

src/test/java/semantic/SemanticTest.java

@@ -3,6 +3,18 @@ package semantic;
 public class SemanticTest {
 
 
+    public void test(){
+
+    }
+
+    public void test(int a, boolean b){
+
+    }
+
+    public void test(boolean b, int a){
+
+    }
+
 //    @Test
 //    public void alreadyDeclaredLocalFieldVar() {
 //        ProgramNode programNode = new ProgramNode();

src/test/resources/input/typedAstExceptionsTests/BothTypesMustBeSame1.java

@@ -0,0 +1,9 @@
+// @expected: TypeMismatchException
+public class AllFeaturesClassExample {
+
+    public void controlStructures(int a, boolean bool) {
+        while (a > bool) {
+            a--;
+        }
+    }
+}

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

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

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

@@ -0,0 +1,20 @@
+// @expected: NotVisibleException
+public class Test{
+
+    public Car c;
+
+    public int test(){
+        return c.speed;
+    }
+
+}
+
+public class Car{
+
+    private int speed;
+
+    public int getSpeed(){
+        return speed;
+    }
+
+}

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

@@ -0,0 +1,14 @@
+// @expected: TypeMismatchException
+public class Test{
+
+    public void test(int x){
+
+        if(x){
+
+        } else {
+
+        }
+
+    }
+
+}

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

@@ -0,0 +1,21 @@
+// @expected: NotVisibleException
+public class Test {
+
+    public int firstInt;
+    public Car ca;
+
+    public int speed(){
+        return ca.getSpeed();
+    }
+
+}
+
+public class Car{
+
+    private int speed;
+
+    private int getSpeed(){
+        return speed;
+    }
+
+}

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

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

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

@@ -1,4 +1,4 @@
-// @expected: MultipleReturnTypes
+// @expected: TypeMismatchException
 public class Example {
 
     public static int testMethod(int x, char c){

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

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

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

@@ -1,8 +0,0 @@
-// @expected: TypeMismatchException
-public class Example {
-
-    public static void testMethod(int x){
-
-    }
-
-}

src/test/resources/input/typedAstFeaturesTests/CallMethodFromObjekt.java

@@ -0,0 +1,20 @@
+public class Test {
+
+    public int firstInt;
+    public Car ca;
+
+    public int speed(){
+        return ca.getSpeed();
+    }
+
+}
+
+public class Car{
+
+    private int speed;
+
+    public int getSpeed(){
+        return speed;
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/CorrectMemberAccess.java

@@ -0,0 +1,19 @@
+public class Test{
+
+    public Car c;
+
+    public int test(){
+        return c.getSpeed();
+    }
+
+}
+
+public class Car{
+
+    private int speed;
+
+    public int getSpeed(){
+        return speed;
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/CorrectMethodParameter.java

@@ -0,0 +1,18 @@
+public class Test{
+
+    public void test(int x){
+
+        if(this.get(x)){
+
+        } else {
+
+        }
+
+    }
+    public boolean b;
+
+    public boolean get(int c){
+        return b;
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/CorrectNonCalcTest.java

@@ -0,0 +1,12 @@
+public class Test{
+
+    public void test(boolean b){
+        if(b == true){
+
+        } else {
+  
+        }
+
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/CorrectTest.java

@@ -1,18 +1,38 @@
-public class Example {
+public class AllFeaturesClassExample {
-
+    int a;
-    public int a;
+    boolean b;
-
+    char c;
-    public static int testMethod(int b, boolean bo){
-        a = b;
-        if(bo){
 
+    public void controlStructures(int adf, boolean bool) {
+        if (a > (10 + 8)) {
+        } else {
         }
-        return a;
+
+
+        while (a > adf) {
+            a--;
+        }
+
+        for (int i = 0; i < 5; i++) {
+        }
+
 
     }
 
-    public static void testMethod(int b){
+//    void logicalOperations() {
+        // Logische UND-Operation
+//        if (b && a > 5) {
+//            System.out.println("a ist größer als 5 und b ist wahr");
+//        }
 
-    }
+        // Logische ODER-Operation
+//        if (b || a < 5) {
+//            System.out.println("b ist wahr oder a ist kleiner als 5");
+//        }
+//    }
 
+//    public static void main(String[] args) {
+//        AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
+//        obj.controlStructures();
+//    }
 }

src/test/resources/input/typedAstFeaturesTests/FullTest.java

@@ -0,0 +1,64 @@
+
+public class AllFeaturesClassExample {
+    int a;
+    boolean b;
+    char c;
+
+    public void controlStructures(int adf, boolean bool) {
+        if (a > (10 + 8)) {
+        } else {
+        }
+
+
+        while (a > adf) {
+            a--;
+        }
+
+        for (int i = 0; i < 5; i++) {
+        }
+
+
+    }
+
+//    void logicalOperations() {
+//        // Logische UND-Operation
+//        if (b && a > 5) {
+////            System.out.println("a ist größer als 5 und b ist wahr");
+//        }
+//
+//        // Logische ODER-Operation
+//        if (b || a < 5) {
+////            System.out.println("b ist wahr oder a ist kleiner als 5");
+//        }
+//    }
+
+//    public static void main(String[] args) {
+//        AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
+//        obj.controlStructures();
+//    }
+}
+
+public class Test {
+
+    public Car c;
+
+    public int test(boolean b, int x) {
+        if (b == true) {
+            return c.getSpeed();
+        } else {
+            return x;
+        }
+    }
+
+}
+
+public class Car {
+
+    private int speed;
+
+    public int getSpeed() {
+        return speed;
+    }
+
+}
+

src/test/resources/input/typedAstFeaturesTests/IfExpressionBoolean.java

@@ -0,0 +1,13 @@
+public class Car{
+
+    public void test(boolean boo){
+
+        if(boo){
+
+        } else {
+
+        }
+
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/IfReturn.java

@@ -0,0 +1,13 @@
+public class Car{
+
+    public int getSpeed(boolean bool, int a, int b){
+
+        if(bool){
+            return a;
+        } else {
+            return b;
+        }
+
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/SelectRightOverloadedMethod.java

@@ -0,0 +1,21 @@
+public class Test{
+
+    public int i;
+    public boolean b;
+
+    public int test(){
+
+        return this.test(b);
+
+    }
+
+    public void test(int a){
+
+    }
+
+    public int test(boolean bool){
+        int ret = 1;
+        return ret;
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/ThisDotMethod.java

@@ -0,0 +1,13 @@
+public class Car{
+
+    private int speed;
+
+    public int getSpeed(){
+        return speed;
+    }
+
+    public int test(){
+        return this.getSpeed();
+    }
+
+}

src/test/resources/input/typedAstFeaturesTests/VoidReturnTypeIF.java

@@ -0,0 +1,13 @@
+public class Car{
+
+    private int speed;
+
+    public void getSpeed(boolean boo){
+        if(boo){
+
+        } else {
+
+        }
+    }
+
+}