Parser

- Removed now-unused ::scan method, as this is no longer used.

src/Parser.cpp

@@ -307,37 +307,6 @@ void Parser::collect (std::vector <Tree*>& nodes, bool all, Tree* tree /* = NULL
   }
 }
 
-////////////////////////////////////////////////////////////////////////////////
-// Recursively scan all nodes, depth first, skipping terminated nodes, and known
-// nodes, and cal the callback function for each node.
-void Parser::scan (void (Parser::*callback) (Tree*), Tree* tree /* = NULL */)
-{
-  if (tree == NULL)
-    tree = _tree;
-
-  std::vector <Tree*>::iterator i;
-  for (i = tree->_branches.begin (); i != tree->_branches.end (); ++i)
-  {
-    if ((*i)->_branches.size ())
-    {
-      scan (callback, *i);
-    }
-    else
-    {
-      // Parser override operator.
-      if ((*i)->hasTag ("TERMINATOR") ||
-          (*i)->hasTag ("TERMINATED"))
-        break;
-
-      // Skip known args.
-      if (! (*i)->hasTag ("?"))
-        continue;
-
-      (this->*callback) (*i);
-    }
-  }
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Locate and tag the binary. It is assumed that the binary is the first
 // argument, which is valid.

src/Parser.h

@@ -70,7 +70,6 @@ public:
   std::string getCommand () const;
 
 private:
-  void scan (void (Parser::*callback)(Tree*), Tree* tree = NULL);
   void findTerminator ();
   void findPattern ();
   void findSubstitution ();