#pragma once

#include <string>
#include <unordered_map>
#include <vector>

#include "sem/Sema.h"

class SymbolTable {
 public:
  void EnterScope();
  void ExitScope();

  bool Declare(const std::string& name, const SymbolInfo* symbol);
  const SymbolInfo* Lookup(const std::string& name) const;
  const SymbolInfo* LookupCurrent(const std::string& name) const;

 private:
  std::vector<std::unordered_map<std::string, const SymbolInfo*>> scopes_;
};