declare works with list

src/main/java/TP2/asd/SymTable.java

@@ -46,6 +46,15 @@ public class SymTable {
         return false;
     }
 
+    public Type getvar_Type(String s){
+        for(int i= stackMap.size()-1; i>=0; i--){
+            if(stackMap.get(i).containsKey(s)){
+                return stackMap.get(i).get(s);
+            }
+        }
+        return null;
+    }
+
     public String print_all(){
         StringBuilder str = new StringBuilder();
         for(int i= stackMap.size()-1; i>=0; i--){