symbolmap.cc

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2023.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "symbolmap.h"
 
#include "sym_table.h"
 
#include <cstdlib>
#include <iostream>
 
using namespace GMAD;
 
Symtab * SymbolMap::symcreate(std::string s)
{
  std::map<std::string,Symtab*>::iterator it = symtab_map.find(s);
  if (it!=symtab_map.end())
    {
      std::cerr << "ERROR Variable " << s << " is already defined!" << std::endl;
      exit(1);
    }
  
  Symtab* sp = new Symtab(s);
  std::pair<std::map<std::string,Symtab*>::iterator,bool> ret = symtab_map.insert(std::make_pair(s,sp));
  return (*(ret.first)).second;
}
  
Symtab * SymbolMap::symlook(std::string s)
{
  std::map<std::string,Symtab*>::iterator it = symtab_map.find(s);
  return it == symtab_map.end() ? nullptr : (*it).second;
}
 
void SymbolMap::clear()
{
  for (auto& kv : symtab_map)
    {delete kv.second;}
  symtab_map.clear();
}