1 files changed, 14 insertions, 7 deletions
diff --git a/st/TypeInstance.java b/st/TypeInstance.java
index 13947ae..e00c1f9 100644
--- a/st/TypeInstance.java
+++ b/st/TypeInstance.java
@@ -2,15 +2,14 @@ package st;
 
 public class TypeInstance extends AbstractInstance {
 
+    private AbstractInstance scope;
+
     public TypeInstance(String name, TypeEnum type) {
         super(name, type);
+        this.scope = null;
     }
 
-    public String toString() {
-        return this.name + ":" + this.type;
-    }
-
-    public boolean same_type(TypeInstance other) {
+    public boolean sameType(TypeInstance other) {
         /**
          * Given a TypeInstance object other,
          * returns true if other object
@@ -22,11 +21,19 @@ public class TypeInstance extends AbstractInstance {
          */
 
         return this.type != TypeEnum.ERROR &&
-            this.type == other.get_type();
+            this.type == other.getType();
     }
 
-    public boolean has_checked() {
+    public boolean hasChecked() {
         return type != TypeEnum.ERROR;
     }
 
+    public AbstractInstance getScope() {
+        /**
+         * Returns the scope of the variable, or
+         * `null' if unset.
+         */
+        return this.scope;
+    }
+
 }