src/main/java/semantic/SemanticAnalyzer.java

@@ -254,7 +254,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
         currentNullType = lResult.getType();
         var rResult = rExpression.accept(this);
 
-        if (!Objects.equals(currentFields.get(toCheck.assignable.identifier), rExpression.getType())) {
+        if (!Objects.equals(currentScope.getLocalVar(toCheck.assignable.identifier), rExpression.getType())) {
             errors.add(new TypeMismatchException(
                     "Mismatch types in Assign-Statement: cannot convert from \"" + lResult.getType() + "\" to \""
                             + rResult.getType() + "\""));
@@ -265,7 +265,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
 //        }
         valid = valid && lResult.isValid() && rResult.isValid();
         currentNullType = null;
-        return new TypeCheckResult(valid, new BaseType(TypeEnum.VOID)); // return type is null to get the return type sufficently
+        return new TypeCheckResult(valid, null); // return type is null to get the return type sufficently
     }
 
     @Override
@@ -352,12 +352,14 @@ public class SemanticAnalyzer implements SemanticVisitor {
     public TypeCheckResult analyze(UnaryExpressionNode unary) {
         var valid = true;
 
-        if (!currentScope.contains(unary.identifier)) {
+        if (currentScope.contains(unary.identifier)) {
-            errors.add(new NotDeclearedException("Not declared " + unary.identifier));
+            return  new TypeCheckResult(valid, currentScope.getLocalVar(unary.identifier));
-            return new TypeCheckResult(false, null);
+        } else if(currentFields.get(unary.identifier) != null) {
+            return  new TypeCheckResult(valid, currentFields.get(unary.identifier));
+        } else {
+            errors.add(new NotDeclearedException("Var is not Decleared"));
         }
-
+        return new TypeCheckResult(valid, null);
-        return new TypeCheckResult(valid, currentScope.getLocalVar(unary.identifier));
     }
 
 }

src/test/java/semantic/EndToTAST.java

@@ -155,30 +155,6 @@ public class EndToTAST {
 
     }
 
-    @Test
-    public void correctInstVarTest(){
-
-        CharStream codeCharStream = null;
-        try {
-            codeCharStream = CharStreams.fromPath(Paths.get("src/test/resources/semantic/endToTAST/CorrectInstVar.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();
-
-        ASTBuilder astBuilder = new ASTBuilder();
-        ProgramNode abstractSyntaxTree = (ProgramNode) astBuilder.visit(parseTree);
-
-        ASTNode tast = SemanticAnalyzer.generateTast(abstractSyntaxTree);
-
-        assertTrue(SemanticAnalyzer.errors.isEmpty());
-
-    }
-
     @Test
     public void typeMismatchRefType(){
 

src/test/resources/semantic/endToTAST/CorrectInstVar.java

@@ -1,18 +0,0 @@
-public class Test {
-
-    public Example ex;
-
-    public static int testMethod(char x){
-
-        int b = this.ex.a;
-
-        return x;
-    }
-
-}
-
-public class Example {
-
-    public int a;
-
-}

src/test/resources/semantic/endToTAST/CorrectTest.java

@@ -3,16 +3,9 @@ public class Example {
     public int a;
 
     public static int testMethod(int b){
-
         a = b;
+        return a;
 
     }
 
-}
-
-public class Test {
-
-    public static int testMethod(char x, int a){
-        return x;
-    }
 }