symbol-table.hpp (cpp-lecture/lambda/symbol-table.hpp)

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#ifndef SYMBOL_TABLE_HPP
#define SYMBOL_TABLE_HPP

#include <map>
#include <string>
#include "types.hpp"

namespace LambdaCalc {

   /*
      Table of global variables.
   */
   class SymbolTable {
      public:
     /* define or redefine a macro */
     vodefinean> define(const std::string& namValuePtrPtr value);

     /* retrieve the lambda expression associated with
        the given name; null is returned if the name
        has not been bound to an expression */
  ValuePtrbsp; ValuePgetget(const std::string& name) const;

      private:
     using Table = std::map<std::strinValuePtrPtr>;
  Table; Table table;
   };

} // namespace LambdaCalc

#endif