From bb5323b5d697bf88e08b167e48a5733cd68002f5 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Sat, 25 Oct 2014 18:05:20 +0800
Subject: use r_findMethodByName so that it can find parent classes

---
 src/minijava/symboltable/MClass.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/minijava/symboltable/MClass.java b/src/minijava/symboltable/MClass.java
index ec57c19..0fbe6ce 100644
--- a/src/minijava/symboltable/MClass.java
+++ b/src/minijava/symboltable/MClass.java
@@ -53,6 +53,19 @@ public class MClass extends MLocalVarType {
 		}
 	}
 	
+	public MMethod r_findMethodByName(String m) {
+		MClass c = this;
+		while (c!=null) {
+			MMethod method = c.findMethodByName(m);
+			if (method==null) {
+				c = c.extend_class;
+			} else {
+				return method;
+			}
+		}
+		return null;
+	}
+	
 	public PigletBinding getVarBinding(String v_name) {
 		int prev_vars = 0;
 		for (MClass c=extend_class; c!=null; c=c.extend_class) {
-- 
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