. operator as lvalue

src/main/java/carpet/script/value/FrameworkValue.java

@@ -0,0 +1,30 @@
+package carpet.script.value;
+
+import carpet.script.exception.ExpressionException;
+
+public abstract class FrameworkValue extends Value
+{
+    @Override
+    public String getString()
+    {
+        throw new ExpressionException("Scarpet language component cannot be used");
+    }
+
+    @Override
+    public boolean getBoolean()
+    {
+        throw new ExpressionException("Scarpet language component cannot be used");
+    }
+
+    @Override
+    public Value clone()
+    {
+        throw new ExpressionException("Scarpet language component cannot be used");
+    }
+
+    @Override
+    public int hashCode()
+    {
+        throw new UnsupportedOperationException("Scarpet language component cannot be used as map key");
+    }
+}

src/main/java/carpet/script/value/FunctionSignatureValue.java

@@ -4,29 +4,13 @@ import carpet.script.exception.ExpressionException;
 
 import java.util.List;
 
-public class FunctionSignatureValue extends Value
+public class FunctionSignatureValue extends FrameworkValue
 {
     private String identifier;
     private List<String> arguments;
     private List<String> globals;
 
-    @Override
-    public String getString()
-    {
-        throw new ExpressionException("Function "+identifier+" is not defined yet");
-    }
 
-    @Override
-    public boolean getBoolean()
-    {
-        throw new ExpressionException("Function "+identifier+" is not defined yet");
-    }
-
-    @Override
-    public Value clone()
-    {
-        throw new ExpressionException("Function "+identifier+" is not defined yet");
-    }
     public FunctionSignatureValue(String name, List<String> args, List<String> globals)
     {
         this.identifier = name;
@@ -43,11 +27,7 @@ public class FunctionSignatureValue extends Value
     }
     public List<String> getGlobals() {return globals;}
 
-    @Override
-    public int hashCode()
-    {
-        throw new UnsupportedOperationException("function signature value cannot be used as map key");
-    }
+
 
 
 }

src/main/java/carpet/script/value/LContainerValue.java

@@ -0,0 +1,16 @@
+package carpet.script.value;
+
+public class LContainerValue extends FrameworkValue
+{
+    private ContainerValueInterface container;
+    private Value address;
+
+    public LContainerValue(ContainerValueInterface c, Value v)
+    {
+        container = c;
+        address = v;
+    }
+
+    public ContainerValueInterface getContainer() {return container; }
+    public Value getAddress() {return address; }
+}