symtable works but not multiple variable

src/main/java/TP2/asd/Program.java

@@ -184,6 +184,25 @@ public class Program{
         }
     }
     
+    public static record DeclarationImp(Type t, String s) implements Instruction{
+
+        @Override
+        public <H, S> S accept(InstrVisitor<H, S> v, H h) {
+            return v.visitDeclaration(this, h);
+        }
+
+        @Override
+        public String prettyprinter(String indent) {
+            return "declare "+t.toString()+s;
+        }
+
+        @Override
+        public ArrayList<InstructionLLVM> toLLVM() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'toLLVM'");
+        }
+        
+    }
 
     public static record Type_voidImp() implements Type{
         public String prettyprinter() {
@@ -241,8 +260,7 @@ public class Program{
 
         @Override
         public Integer visitReturn(Return_instrImp e, Map<String, Integer> h) {
-           ExprEval exprEval = new ExprEval();
-           return e.e().accept(exprEval, h);
+           return e.accept(this, h);
         }
         @Override
         public Integer visitAssign(AssignImp e, Map<String, Integer> h) {
@@ -250,6 +268,10 @@ public class Program{
             //TODO
             return 1;
         }
+        @Override
+        public Integer visitDeclaration(DeclarationImp e, Map<String, Integer> h) {
+            return e.accept(this, h);
+        }
     }