[CR #1837502] remove unnecessary counters v_sizeOfHashMaps and v_numberOfHashMaps

Change-Id: Ie76bd529fafb956fe615167d03e44c7b21c3727d
Signed-off-by: József Gyürüsi <jozsef.gyurusi@ericsson.com>
diff --git a/src/HashMap/EPTF_CLL_HashMap_ExternalFunctions.hh b/src/HashMap/EPTF_CLL_HashMap_ExternalFunctions.hh
index 71bbc46..e42d219 100644
--- a/src/HashMap/EPTF_CLL_HashMap_ExternalFunctions.hh
+++ b/src/HashMap/EPTF_CLL_HashMap_ExternalFunctions.hh
@@ -186,7 +186,7 @@
 #define ASSERT_VALID_ID(pl_id) \
     \
     if(pl_id<0){TTCN_error("HashMap Error: pl_id<0");};\
-    if(pl_id>=v_sizeOfHashMaps){TTCN_error("HashMap Error: pl_id>=v_sizeOfHashMaps");};\
+    if(pl_id>=(int)v_HashMap.size()){TTCN_error("HashMap Error: pl_id>=v_sizeOfHashMaps");};\
     if(v_HashMap[pl_id]==NULL){TTCN_error("HashMap Error: v_HashMap[pl_id]==NULL");};\
 
 
@@ -198,15 +198,11 @@
   typedef HashMapType<T,H,F>* HashMapTypePtr;
   typedef typename HashMapType<T,H,F>::iterator HashMapTypeIter;
   typedef typename HashMapType<T,H,F>::hasher HashMapTypeHasher;
-  int v_sizeOfHashMaps;
-  int v_numberOfHashMaps;
   NamesHashMapType v_HashNames;
   std::vector<HashMapTypePtr> v_HashMap;
   std::stack<int> freeSlotsIn_v_HashMap;
 public:
   HashMapTypeCT(){
-    v_sizeOfHashMaps = 0;
-    v_numberOfHashMaps = 0;
   }
   ~HashMapTypeCT(){
     NamesHashMapType::iterator Hashmap_Iter;
@@ -230,22 +226,19 @@
         v_HashMap[Hashmap_Iter->second] = NULL;
       }
       v_HashNames.erase(Hashmap_Iter);
-      v_numberOfHashMaps--;
       Hashmap_Iter = v_HashNames.begin();
     }
     v_HashMap.clear();
-    v_sizeOfHashMaps = 0;
-    v_numberOfHashMaps = 0;
   }
 
   inline void assertValid(const INTEGER& pl_id){
     if(pl_id<0){TTCN_error("HashMap Error: pl_id<0");};
-    if(pl_id>=v_sizeOfHashMaps){TTCN_error("HashMap Error: pl_id>=v_sizeOfHashMaps");};
+    if(pl_id>=(int)v_HashMap.size()){TTCN_error("HashMap Error: pl_id>=v_sizeOfHashMaps");};
     if(v_HashMap[pl_id]==NULL){TTCN_error("HashMap Error: v_HashMap[pl_id]==NULL");};
   }
   inline bool checkValid(const INTEGER& pl_id){
     if(pl_id<0){return false;};
-    if(pl_id>=v_sizeOfHashMaps){return false;};
+    if(pl_id>=(int)v_HashMap.size()){return false;};
     if(v_HashMap[pl_id]==NULL){return false;};
     return true;
   }
@@ -268,8 +261,7 @@
       }
       return -1;
     }
-    v_numberOfHashMaps++;
-    if(v_numberOfHashMaps<v_sizeOfHashMaps)
+    if(! freeSlotsIn_v_HashMap.empty())
     {
       int i = freeSlotsIn_v_HashMap.top();
       freeSlotsIn_v_HashMap.pop();
@@ -280,10 +272,11 @@
     }
     else
     {
-      v_HashNames[pl_name] = v_sizeOfHashMaps;
+      int i = v_HashMap.size();
+      v_HashNames[pl_name] = i;
       v_HashMap.push_back(new HashMapType<T,H,F>);
-      v_HashMap[v_sizeOfHashMaps]->initDebug(pl_name);
-      return v_sizeOfHashMaps++;
+      v_HashMap[i]->initDebug(pl_name);
+      return i;
     }
     //never reaches
     return -1;
@@ -348,7 +341,6 @@
       freeSlotsIn_v_HashMap.push(Hashmap_Iter->second);
     }
     v_HashNames.erase(Hashmap_Iter);
-    v_numberOfHashMaps--;
   }
 
   void deleteHashMap(
@@ -377,7 +369,6 @@
       v_HashMap[pl_id] = NULL;
       freeSlotsIn_v_HashMap.push(pl_id);
     }
-    v_numberOfHashMaps--;
   }
 
   void dumpByID (const INTEGER& pl_id)