From 024c83a13a256f7f171732189a154c74c0ce24ad Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Mon, 19 Aug 2013 00:20:11 +0800
Subject: fix a severe bug : copy-constructor expected in EvalObj

---
 model.cpp | 5 +++++
 model.h   | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/model.cpp b/model.cpp
index e454c72..6fd41b3 100644
--- a/model.cpp
+++ b/model.cpp
@@ -27,6 +27,11 @@ bool FrameObj::is_parse_bracket() {
     return ftype & CLS_PAR_BRA;
 }
 
+EvalObj::EvalObj(const EvalObj &src) :
+FrameObj(CLS_EVAL_OBJ), otype(src.otype) {
+    gc_rec = gc.join(this);
+}
+
 EvalObj::EvalObj(int _otype) : 
 FrameObj(CLS_EVAL_OBJ), otype(_otype) {
     /** To notify GC when an EvalObj is constructed */
diff --git a/model.h b/model.h
index 2e029c0..63f48be 100644
--- a/model.h
+++ b/model.h
@@ -72,6 +72,8 @@ class EvalObj : public FrameObj {/*{{{*/
          * CLS_SIM_OBJ for a simple object), which defaults to CLS_SIM_OBJ, etc.
          */
         EvalObj(int otype = CLS_SIM_OBJ);
+        /** The copy constructor */
+        EvalObj(const EvalObj &src);
         /**
          * The destructor
          */
-- 
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