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

@@ -6,6 +6,7 @@ import ast.type.AccessModifierNode;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 public class ConstructorNode extends MethodNode  {
     public AccessModifierNode accessType;
@@ -23,4 +24,18 @@ public class ConstructorNode extends MethodNode  {
         parameters.add(parameterNode);
     }
 
+    @Override
+    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/MainMethodNode.java

@@ -3,7 +3,6 @@ package ast.members;
 import ast.statements.BlockNode;
 
 public class MainMethodNode extends MethodNode {
-    public BlockNode block;
 
     public MainMethodNode(BlockNode block) {
         this.block = block;

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

@@ -6,8 +6,8 @@ import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 public class WhileNode implements IStatementNode {
-    IExpressionNode expression;
-    BlockNode block;
+    public IExpressionNode expression;
+    public BlockNode block;
 
     public WhileNode(IExpressionNode expression, BlockNode block) {
         this.expression = expression;
@@ -21,6 +21,6 @@ public class WhileNode implements IStatementNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {
-        return null;
+        return visitor.analyze(this);
     }
 }

src/main/java/semantic/SemanticAnalyzer.java

@@ -140,18 +140,14 @@ 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);
@@ -210,7 +206,9 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
     @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
@@ -221,8 +219,12 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @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();
@@ -233,6 +235,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
                     }
                 }
             }
+        }
         return new TypeCheckResult(true, blockReturnType);
     }
 
@@ -260,8 +263,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
 
     @Override
     public TypeCheckResult analyze(ElseNode toCheck) {
-        toCheck.block.accept(this);
-        return null;
+        return toCheck.block.accept(this);
     }
 
     @Override
@@ -308,10 +310,9 @@ public class SemanticAnalyzer implements SemanticVisitor {
     @Override
     public TypeCheckResult analyze(IfElseNode toCheck) {
         var resultIf = toCheck.ifStatement.accept(this);
-
         var resultElse = toCheck.elseStatement.accept(this);
 
-        return new TypeCheckResult(true, new BaseType(TypeEnum.VOID));
+        return new TypeCheckResult(resultIf.isValid() && resultElse.isValid(), new BaseType(TypeEnum.VOID));
     }
 
     @Override
@@ -400,33 +401,89 @@ 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 nonCalculationNode) {
-
         var expResult = nonCalculationNode.expression.accept(this);
         var unaryResult = nonCalculationNode.unaryExpression.accept(this);
 
-        if(Objects.equals(expResult.getType(), unaryResult.getType())){
-           return new TypeCheckResult(expResult.isValid() && unaryResult.isValid(), expResult.getType());
+        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("NonCalculation node " + nonCalculationNode.getType() + " does not match expression " + expResult.getType()));
+                    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);
     }
 
@@ -455,6 +512,9 @@ public class SemanticAnalyzer implements SemanticVisitor {
         } 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);
@@ -486,7 +546,8 @@ public class SemanticAnalyzer implements SemanticVisitor {
                         currentType = currentField.getType();
                     } else {
                         errors.add(new NotVisibleException("This field is not visible"));
-                        return new TypeCheckResult(false, null);                    }
+                        return new TypeCheckResult(false, null);
+                    }
                 }
             }
 

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/typedAstFeaturesTests/CorrectTest.java

@@ -1,29 +1,38 @@
+public class AllFeaturesClassExample {
+    int a;
+    boolean b;
+    char c;
 
-public class Test {
+    public void controlStructures(int adf, boolean bool) {
+//        if (a > (10 + 8)) {
+//        } else {
+//        }
+//
+//
+//        while (a > adf) {
+//            a--;
+//        }
 
-    public Car c;
-
-    public int test(boolean b, int x) {
-        if (b == true) {
-            return c.getSpeed();
-        } else {
-            x++;
-            return x;
-        }
+        for (int i = 0; i < 5; i++) {
         }
 
+
     }
 
-public class Car {
+//    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");
+//        }
+//    }
 
-    private int speed;
-
-    public int getSpeed() {
-        return speed;
+//    public static void main(String[] args) {
+//        AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
+//        obj.controlStructures();
+//    }
 }
-
-    public void setSpeed(int speed) {
-        this.speed = speed;
-    }
-}
-

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

@@ -1,4 +1,43 @@
 
+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;