support different kinds of runtime errors (using C++ exceptions)

 * also added some additional range checks (e.g. X command)

1 files changed, 2 insertions, 2 deletions

diff --git a/goto.h b/goto.h
index 84157b1..622f58c 100644
--- a/goto.h
+++ b/goto.h
@@ -15,12 +15,12 @@ public:
 	StateLabel();
 
 private:
-	State *custom(gchar chr);
+	State *custom(gchar chr) throw (Error);
 };
 
 class StateGotoCmd : public StateExpectString {
 private:
-	State *done(const gchar *str);
+	State *done(const gchar *str) throw (Error);
 };
 
 namespace States {