Add check for method variables double declaration.

1 files changed, 1 insertions, 3 deletions

diff --git a/src/minijava/symboltable/MClass.java b/src/minijava/symboltable/MClass.java
index a5b90f2..4e64f54 100644
--- a/src/minijava/symboltable/MClass.java
+++ b/src/minijava/symboltable/MClass.java
@@ -5,18 +5,16 @@ package minijava.symboltable;
 
 import minijava.typecheck.PrintError;
 
-public class MClass extends MType {
+public class MClass extends MLocalVarType {
 	public MClasses all_classes; // 所有类的列表
 	public boolean isDeclared = false; // 是否已声明，用于检查符号表
 	public String extend_class_name = null; // 所继承的类
-	public MVarList vars;
 	public MMethodList methods;
 
 	public MClass(String v_name, MClasses all, int m_line, int m_column) {
 		super(m_line, m_column);
 		name = v_name;
 		all_classes = all;
-		vars = new MVarList();
 		methods = new MMethodList();
 	}