refactored and reworked functions in scarpet

src/main/java/carpet/script/exception/ExitStatement.java

@@ -0,0 +1,13 @@
+package carpet.script.exception;
+
+import carpet.script.value.Value;
+
+/* Exception thrown to terminate execution mid expression (aka return statement) */
+public class ExitStatement extends RuntimeException
+{
+    public Value retval;
+    public ExitStatement(Value value)
+    {
+        retval = value;
+    }
+}

src/main/java/carpet/script/exception/ReturnStatement.java

@@ -0,0 +1,12 @@
+package carpet.script.exception;
+
+import carpet.script.value.Value;
+
+public class ReturnStatement extends ExitStatement
+{
+
+    public ReturnStatement(Value value)
+    {
+        super(value);
+    }
+}

src/main/java/carpet/script/exception/ThrowStatement.java

@@ -0,0 +1,11 @@
+package carpet.script.exception;
+
+import carpet.script.value.Value;
+
+public class ThrowStatement extends ExitStatement
+{
+    public ThrowStatement(Value value)
+    {
+        super(value);
+    }
+}