// file: lxt_cstr_3.cc
//

// isip include files
//
#include "lex_tree.h"
#include "lex_tree_constants.h"

// method: constructor
//
// arguments:
//  Lex_tree& tree : (input) the lexical tree to copy
//
// return: none
//
// this is a copy constructor
//
Lex_tree::Lex_tree(Lex_tree& tree_a) {

  //  copy the lexical tree
  //
  history_d = tree_a.history_d;
  head_d = tree_a.head_d;
  status_d = tree_a.status_d;
    
  // exit gracefully
  //
}
