stack

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

@@ -7,10 +7,10 @@ import TP2.asd.Interface.Type;
 import TP2.asd.Program.Type_intImp;
 
 public class SymTable {
-    private Stack<PMap<String,Type>> stackMap;
+    private PStack<PMap<String,Type>> stackMap;
     private int id=1; 
     public SymTable(){
-        this.stackMap= new Stack<>();
+        this.stackMap= ConsPStack.empty();
     }
 
     public String addNewTempVar(/*Type type*/){
@@ -22,17 +22,17 @@ public class SymTable {
     }
 
     public void next_layer(){
-        stackMap.push(HashTreePMap.empty());
+        stackMap.plus(HashTreePMap.empty());
     }
 
     public void quit_layer() throws Exception{
         if(stackMap.isEmpty()){
             throw new Exception();
         }
-        stackMap.pop();
+        stackMap.minus(stackMap.indexOf(stackMap.getLast()));
     }
     public PMap<String,Type> peppapeek(){
-        return stackMap.peek();
+        return stackMap.getLast();
     }
 
     public void addVar(String s, Type t){
@@ -41,9 +41,9 @@ public class SymTable {
         pmap= pmap.plus(s/*+"_"+this.id*/,t);
         //this.id++;
         //Delete old ones
-        stackMap.pop();
+        stackMap.minus(stackMap.indexOf(stackMap.getLast()));
         //Push the new one
-        stackMap.push(pmap);
+        stackMap.plus(pmap);
     }
     
     //Usually look for var in highest level , if not found research.