fakir/src/SymTable.hpp

#ifndef fk_SYMTABLE_HPP
#define fk_SYMTABLE_HPP

#include "commons.hpp"
#include "SymEntry.hpp"

namespace fk
{
  FK_ERROR(symbol_error);

  class SymTable
  {
  public:
    explicit SymTable();
    virtual ~SymTable();

    SymEntry& declare_local(std::string const& name,
                            addr_t addr,
                            Loc const& loc);

    SymEntry& declare_global(std::string const& name,
                             addr_t addr,
                             Loc const& loc);

    std::optional<SymEntry> find(std::string const& name);

    std::string string() const;

    void enter_scope(std::shared_ptr<Node> parent=nullptr);
    void leave_scope();

  private:
    std::vector<SymEntry> m_entries;
    int m_scope;
    std::vector<std::shared_ptr<Node>> m_parents;
  };
}

#endif