try to run main

Source/Compiler.java

@@ -0,0 +1,25 @@
+import abstractSyntaxTree.Class.FieldDecl;
+import abstractSyntaxTree.Class.MethodDecl;
+import abstractSyntaxTree.Class.RefType;
+import abstractSyntaxTree.Program;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Compiler {
+
+    public static void Main(String[] args) throws Exception{
+
+        // get file
+
+        Program abstractSyntaxTree = new Program();
+        List<FieldDecl> emptyFieldDecl = new ArrayList<>();
+        List<MethodDecl> emptyMethodDecl = new ArrayList<>();
+        abstractSyntaxTree.classes.add(new RefType(emptyFieldDecl, emptyMethodDecl, null, null));
+
+        abstractSyntaxTree.typeCheck();
+
+        abstractSyntaxTree.codeGen();
+
+    }
+}

Source/abstractSyntaxTree/Class/FieldDecl.java

@@ -34,6 +34,11 @@ public class FieldDecl extends AbstractType implements IClass{
         //write field table
     }
 
+    @Override
+    public TypeCheckResult typeCheck() throws Exception {
+        return null;
+    }
+
     @Override
     public void codeGen(ClassWriter cw) {
 

Source/abstractSyntaxTree/Class/MethodDecl.java

@@ -26,4 +26,13 @@ public class MethodDecl implements IClass {
         return null;
     }
 
+    @Override
+    public TypeCheckResult typeCheck() throws Exception {
+        return null;
+    }
+
+    @Override
+    public void codeGen(ClassWriter cw) throws Exception {
+
+    }
 }

Source/abstractSyntaxTree/Class/RefType.java

@@ -33,6 +33,8 @@ public class RefType extends AbstractType implements IClass {
         this.methodContext = methodContext;
     }
 
+
+
     @Override
     public TypeCheckResult typeCheck() throws Exception {
         TypeCheckResult result = new TypeCheckResult();

Source/abstractSyntaxTree/Program.java

@@ -3,7 +3,6 @@ package abstractSyntaxTree;
 import TypeCheck.TypeCheckResult;
 import abstractSyntaxTree.Class.FieldDecl;
 import abstractSyntaxTree.Class.MethodDecl;
-import abstractSyntaxTree.Datatype.RefType;
 import org.objectweb.asm.MethodVisitor;
 import abstractSyntaxTree.Class.RefType;
 import org.objectweb.asm.ClassWriter;

Source/abstractSyntaxTree/StatementExpression/MethodCallStatementExpression.java

@@ -42,6 +42,11 @@ public class MethodCallStatementExpression extends AbstractType implements IExpr
         return result;
     }
 
+    @Override
+    public void codeGen(MethodVisitor mv) throws Exception {
+
+    }
+
     //Errors occur due to the change in parameter in the RefType class
     @Override
     public void CodeGen(MethodVisitor mv) throws Exception {