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// file      : build/module -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license   : MIT; see accompanying LICENSE file

#ifndef BUILD_MODULE
#define BUILD_MODULE

#include <map>
#include <string>
#include <memory> // unique_ptr

namespace build
{
  class scope;
  class location;

  class module
  {
  public:
    virtual
    ~module () = default;
  };

  extern "C"
  using module_init_function =
    void (scope& root,
          scope& base,
          const location&,
          std::unique_ptr<module>&,
          bool first); // First time for this project.

  using loaded_module_map =
    std::map<std::string,
             std::pair<module_init_function*, std::unique_ptr<module>>>;

  // Load the specified module. Used by the parser but also by some
  // modules to load prerequisite modules.
  //
  void
  load_module (const std::string& name,
               scope& root,
               scope& base,
               const location&);

  // Builtin modules.
  //
  using available_module_map = std::map<std::string, module_init_function*>;
  extern available_module_map builtin_modules;
}

#endif // BUILD_MODULE