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

@@ -3,6 +3,8 @@ 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;

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 null;
+    }
 }

src/main/java/bytecode/MethodCodeGen.java

@@ -17,6 +17,7 @@ import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNod
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
 import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
+import ast.type.ValueNode;
 import ast.type.type.BaseType;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.Label;
@@ -147,8 +148,8 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     @Override
     public void visit(DotSubstractionNode dotSubstractionNode) {
-        if(dotSubstractionNode.memberAccess == null) { // local var
+        if (dotSubstractionNode.value != null) { // local var
-
+            dotSubstractionNode.value.accept(this);
         }
     }
 
@@ -294,6 +295,42 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     }
 
+    @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

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

@@ -16,6 +16,7 @@ import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNod
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
 import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
+import ast.type.ValueNode;
 
 public interface MethodVisitor {
     // members
@@ -56,4 +57,7 @@ public interface MethodVisitor {
     void visit(AssignNode assignNode);
     void visit(NewDeclarationNode newDeclarationNode);
 
+    // type
+    void visit(ValueNode valueNode);
+
 }