1 files changed, 20 insertions, 0 deletions
diff --git a/Interpreter.java b/Interpreter.java
new file mode 100644
index 0000000..6dbff12
--- /dev/null
+++ b/Interpreter.java
@@ -0,0 +1,20 @@
+interface Interpreter {
+    /**
+     * return result of intepreted code, given param as argument
+     */
+    public String eval(String code, String param);
+
+    /**
+     * print the program code parses to
+     */
+    public String print(String code);
+
+    /**
+     * print a  trace of the intepretation of code given param
+     */
+    public String trace(String code, String param);
+
+    public int minLength();
+
+    public int maxLength();
+}