Add access to the Node next, child and parent. Adjust the tick number maximum if it is exceeded.

Progress/ProgressNode.hh

@@ -23,7 +23,7 @@ public:
   Node(const char* const _name, 
     Node* _next = nullptr, Node* _chld = nullptr) 
     : name(_name), next_(_next), chld_(_chld), prnt_(nullptr), tick_nmbr_(0),
-    tick_nmbr_max_(1000000000), abrt_(false)
+    tick_nmbr_max_(1), abrt_(false)
   {}
 
   void enter(Node* _prnt)
@@ -42,6 +42,8 @@ public:
   void tick(const char* const _flnm, const char* const _fnct) 
   { 
     ++tick_nmbr_; 
+    if (tick_nmbr_ > tick_nmbr_max_)
+      tick_nmbr_max_ *= 2;
     if (trck_fnct != nullptr)
       (*trck_fnct)(this, _flnm, _fnct);
   }
@@ -57,6 +59,10 @@ public:
   // handling
   bool aborting() const { return abrt_; }
 
+  const Node* next() const { return next_; };
+  const Node* child() const { return chld_; };
+  const Node* parent() const { return prnt_; };
+
 protected:
   Node* next_; //!< next node on the same level, last if nullptr
   Node* chld_; //!< first child node, leaf if nullptr