1 files changed, 18 insertions, 1 deletions
diff --git a/st/MethodInstance.java b/st/MethodInstance.java
index 6cf6ccc..c2f978b 100644
--- a/st/MethodInstance.java
+++ b/st/MethodInstance.java
@@ -5,15 +5,24 @@ import java.util.ArrayList;
 public class MethodInstance extends AbstractInstance {
     private ArrayList<TypeInstance> args;       // the list of arguments
     private ArrayList<TypeInstance> lvars;      // the list of local variables
+    protected ClassInstance par_cls;                // the surrounding class
     private TypeEnum rtrn;                      // the returned type
 
-    public MethodInstance(String name, TypeEnum rtrn) {
+    public MethodInstance(String name, TypeEnum rtrn, ClassInstance par_cls) {
         super(name, TypeEnum.method);
         this.lvars = new ArrayList<>();
         this.args = new ArrayList<>();
+        this.par_cls = par_cls;
         this.rtrn = rtrn;
     }
 
+    public boolean equals(Object other) {
+        MethodInstance o;
+        return (other instanceof MethodInstance &&
+                ((o = (MethodInstance) other).getName() == this.getName() &&
+                 o.getParentClass() == this.getParentClass()));
+    }
+
     public ArrayList<TypeInstance> getArguments() {
         return this.args;
     }
@@ -35,4 +44,12 @@ public class MethodInstance extends AbstractInstance {
         this.lvars.add(lvar);
     }
 
+    public void addParentClass(ClassInstance par_cls) {
+        this.par_cls = par_cls;
+    }
+
+    public ClassInstance getParentClass() {
+        return this.par_cls;
+    }
+
 }