#include<iostream>
#include<string>
#include"SymbolTable.h"
#include<assert.h>


namespace RITCS4 {

   SymbolTable::SymbolTable() {
      _table = new map<std::string, int>();
   }

   void SymbolTable::declare( string name, int init = 0 ) {
      assert(!contains(name));
      _table.insert(pair(name,init));
   }

   void SymbolTable::set( string name, int val ) {
      assert(contains(name));
      _table[name] = val;
   }

   int SymbolTable::get( string name ) {
      assert(contains(name));
      return _table[name];
   }

   unsigned int SymbolTable::size() const {
      assert(_table.size() >= 0);
      return _table.size();
   }

   bool SymbolTable::contains( string name ) const {
      map<String, int>::iterator iter = _table.find(name);
      if(iter != _table.end()) {
         return 1;
      } else {
         return 0;
      }
   }

   void SymbolTable::dump( std::ostream &out ) const {
      std::map<string,int>::iterator iter;

      for(iter = _table.begin(); iter != _table.end; iter++) {
         out << iter->first << ": " << iter->second;
      }
   }