started work on the scope (not really sure what I'm doing)

orga-comp.h

@@ -82,17 +82,21 @@ class parser {
 
 class scope {
     public:
-    scope();
-    scope(scope const &father);
     enum symbol_type{
+        NOT_FOUND,
         VALUE,
     };
+    scope();
+    void add(std::string key, symbol_type type);
+    symbol_type look(std::string key);
+//    scope(scope const &father);
     private:
     struct node {
         std::string key;
         symbol_type type;
+        struct node *next = nullptr;
     };
-    struct node head;
+    struct node *head;
 };
 
 class translate {

scope.cpp

@@ -0,0 +1,31 @@
+#include "orga-comp.h"
+#include <string>
+
+scope::scope(){
+    head = nullptr;
+}
+
+void
+scope::add(std::string key, symbol_type type){
+    if (head == nullptr){
+        head = new node;
+        head->key = key;
+        head->type = type;
+    }else{
+        struct node *tmp = head;
+        head = new node;
+        head->key = key;
+        head->type = type;
+        head->next = tmp;
+    }
+}
+
+scope::symbol_type
+scope::look(std::string key){
+    struct node *tmp = head;
+    while(tmp != nullptr){
+        if(tmp->key == key) return tmp->type;
+        tmp = tmp->next;
+    }
+    return NOT_FOUND;
+}