Line data    Source code

       1              : /* C++ modules.  Experimental!  -*- c++ -*-
       2              :    Copyright (C) 2017-2026 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           24 :   int read_tuple_file (int fd, std::string const &prefix,
      71              :                             bool force = false)
      72              :   {
      73           24 :     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