Line data    Source code

       1             : /* C++ modules.  Experimental!  -*- c++ -*-
       2             :    Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3             :    Written by Nathan Sidwell <nathan@acm.org> while at FaceBook
       4             : 
       5             :    This file is part of GCC.
       6             : 
       7             :    GCC is free software; you can redistribute it and/or modify it
       8             :    under the terms of the GNU General Public License as published by
       9             :    the Free Software Foundation; either version 3, or (at your option)
      10             :    any later version.
      11             : 
      12             :    GCC is distributed in the hope that it will be useful, but
      13             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :    General Public License for more details.
      16             : 
      17             : You should have received a copy of the GNU General Public License
      18             : along with GCC; see the file COPYING3.  If not see
      19             : <http://www.gnu.org/licenses/>.  */
      20             : 
      21             : #ifndef GXX_RESOLVER_H
      22             : #define GXX_RESOLVER_H 1
      23             : 
      24             : // Mapper interface for client and server bits
      25             : #include "cody.hh"
      26             : // C++
      27             : #if !IN_GCC
      28             : #include <string>
      29             : #include <map>
      30             : #endif
      31             : 
      32             : // This is a GCC class, so GCC coding conventions on new bits.  
      33             : class module_resolver : public Cody::Resolver
      34             : {
      35             : public:
      36             :   using parent = Cody::Resolver;
      37             :   using module_map = std::map<std::string, std::string>;
      38             : 
      39             : private:
      40             :   std::string repo;
      41             :   std::string ident;
      42             :   module_map map;
      43             :   int fd_repo = -1;
      44             :   bool default_map = true;
      45             :   bool default_translate = true;
      46             : 
      47             : public:
      48             :   module_resolver (bool map = true, bool xlate = false);
      49             :   virtual ~module_resolver () override;
      50             : 
      51             : public:
      52             :   void set_default_map (bool d)
      53             :   {
      54             :     default_map = d;
      55             :   }
      56             :   void set_default_translate (bool d)
      57             :   {
      58             :     default_translate = d;
      59             :   }
      60             :   void set_ident (char const *i)
      61             :   {
      62             :     ident = i;
      63             :   }
      64             :   bool set_repo (std::string &&repo, bool force = false);
      65             :   bool add_mapping (std::string &&module, std::string &&file,
      66             :                     bool force = false);
      67             : 
      68             :   // Return +ve line number of error, or -ve errno
      69             :   int read_tuple_file (int fd, char const *prefix, bool force = false);
      70          18 :   int read_tuple_file (int fd, std::string const &prefix,
      71             :                             bool force = false)
      72             :   {
      73          18 :     return read_tuple_file (fd, prefix.empty () ? nullptr : prefix.c_str (),
      74             :                             force);
      75             :   }
      76             : 
      77             : public:
      78             :   // Virtual overriders, names are controlled by Cody::Resolver
      79             :   using parent::ConnectRequest;
      80             :   virtual module_resolver *ConnectRequest (Cody::Server *, unsigned version,
      81             :                                            std::string &agent,
      82             :                                            std::string &ident)
      83             :     override;
      84             :   using parent::ModuleRepoRequest;
      85             :   virtual int ModuleRepoRequest (Cody::Server *) override;
      86             :   using parent::ModuleExportRequest;
      87             :   virtual int ModuleExportRequest (Cody::Server *s, Cody::Flags,
      88             :                                    std::string &module)
      89             :     override;
      90             :   using parent::ModuleImportRequest;
      91             :   virtual int ModuleImportRequest (Cody::Server *s, Cody::Flags,
      92             :                                    std::string &module)
      93             :     override;
      94             :   using parent::IncludeTranslateRequest;
      95             :   virtual int IncludeTranslateRequest (Cody::Server *s, Cody::Flags,
      96             :                                        std::string &include)
      97             :     override;
      98             : 
      99             :   using parent::ModuleCompiledRequest;
     100             :   virtual int ModuleCompiledRequest (Cody::Server *s, Cody::Flags Flags,
     101             :                                      std::string &Module) override;
     102             : 
     103             : private:
     104             :   using parent::GetCMISuffix;
     105             :   virtual char const *GetCMISuffix () override;
     106             : 
     107             : private:
     108             :   int cmi_response (Cody::Server *s, std::string &module);
     109             : };
     110             : 
     111             : #endif