From cde5ef884ad99b2f32549e8247dcfdc76763c820 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=A2=93=E9=BA=9F?= <chenzl25@mail2.sysu.edu.cn>
Date: Thu, 25 Aug 2016 21:50:27 +0800
Subject: [PATCH] fix VariableNode constant entity bug

---
 net/loveruby/cflat/ast/VariableNode.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/net/loveruby/cflat/ast/VariableNode.java b/net/loveruby/cflat/ast/VariableNode.java
index 7ab3c9f..bdda399 100644
--- a/net/loveruby/cflat/ast/VariableNode.java
+++ b/net/loveruby/cflat/ast/VariableNode.java
@@ -37,6 +37,24 @@ public class VariableNode extends LHSNode {
         entity = ent;
     }
 
+    /*==============================================
+    =            fix constant entity bug            =
+    ==============================================*/
+    public boolean isLvalue() { 
+        if (entity.isConstant()) {
+            return false;
+        }
+        return true; 
+    }
+
+    public boolean isAssignable() { 
+        if (entity.isConstant()) {
+            return false;
+        }
+        return isLoadable(); 
+    }
+    /*=====  End of fix constant entity bug  ======*/
+    
     public TypeNode typeNode() {
         return entity().typeNode();
     }