symbol_table.hpp

Go to the documentation of this file.

#ifndef SYMBOL_TABLE_HPP
#define SYMBOL_TABLE_HPP

#include <stack>
#include "../../globals.hpp"
#include "Change.hpp"
#include "Scope.hpp"
#include "Definition.hpp"
#include "Symbol.hpp"

namespace semantic
{
    namespace symbol
    {
        class SymbolTable
        {
            private:
                std::stack<shptr<Change>> changes;
                shptr<Scope> currentScope;
            public:
                /*
                 * return definition of symbol
                 */
                shptr<Definition> lookup(shptr<Symbol> symbol) const;
                void insert(shptr<Symbol> symbol, shptr<Definition> def);
                void enterScope();
                void leaveScope();
                bool definedInCurrentScope(shptr<Symbol> symbol) const;

                shptr<Scope> const& getCurrentScope() const;

                SymbolTable();
        };
    }
}

#endif