From a6574b0025b68eb28a8c7d679ca6783132ad013d Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Mon, 5 Aug 2013 19:49:31 +0800
Subject: complex, real, rational, integral number support

---
 exc.h | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

(limited to 'exc.h')

diff --git a/exc.h b/exc.h
index 7a6879d..dc380d3 100644
--- a/exc.h
+++ b/exc.h
@@ -10,26 +10,21 @@ using std::string;
  * The top-level exception
  */
 class GeneralError {
-    public:
-        virtual string get_msg() = 0;   /**< Extract error message */
-};
-
-class SyntaxError : public GeneralError {
     protected:
         string msg;                     /**< Error mesg */
         ErrCode code;                   /**< Error code */
     public:
 
-        SyntaxError(ErrCode code);          /**< Construct an SyntaxError */ 
+        GeneralError(ErrCode code);         /**< Construct a General Error */ 
         string get_msg();                   /**< Get the error message */
 };
 
-class TokenError : public SyntaxError {
+class TokenError : public GeneralError {
     public:
         TokenError(string token, ErrCode code);     /**< Construct an TokenError */
 };
 
-class NormalError : public SyntaxError {
+class NormalError : public GeneralError {
     public:
         NormalError(ErrCode code);
 };
-- 
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