Add interpreter and AST

1 files changed, 19 insertions, 4 deletions

diff --git a/main/utils/Counter.java b/main/utils/Counter.java
index a0bf0fd..9783adf 100644
--- a/main/utils/Counter.java
+++ b/main/utils/Counter.java
@@ -6,22 +6,37 @@ package com.jantuomi.interpreter.main.utils;
 public class Counter {
     private int value = 0;
 
+    public int getRecursionDepth() {
+        return recursionDepth;
+    }
+
+    private int recursionDepth = 0;
+
     public int advance() {
-        value = value + 1;
-        return value;
+        return ++value;
+    }
+
+    public int deeper() {
+        return ++recursionDepth;
+    }
+
+    public int shallower() {
+        return --recursionDepth;
     }
 
     public int getValue() {
         return value;
     }
 
-    public void setValue(int value) {
-        this.value = value;
+    public void assign(Counter other) {
+        value = other.value;
+        recursionDepth = other.recursionDepth;
     }
 
     public Counter clone() {
         Counter c = new Counter();
         c.value = value;
+        c.recursionDepth = recursionDepth;
         return c;
     }
 }