gcc/tree-diagnostic-client-data-hooks.cc

   1 /* Implementation of diagnostic_client_data_hooks for the compilers
   2    (e.g. with knowledge of "tree" and lang_hooks).
   3    Copyright (C) 2022 Free Software Foundation, Inc.
   4    Contributed by David Malcolm <dmalcolm@redhat.com>.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "version.h"
  26 #include "tree.h"
  27 #include "diagnostic.h"
  28 #include "tree-logical-location.h"
  29 #include "diagnostic-client-data-hooks.h"
  30 #include "langhooks.h"
  31 #include "plugin.h"
  32
  33 /* Concrete class for supplying a diagnostic_context with information
  34    about a specific plugin within the client, when the client is the
  35    compiler (i.e. a GCC plugin).  */
  36
  37 class compiler_diagnostic_client_plugin_info
  38   : public diagnostic_client_plugin_info
  39 {
  40 public:
  41   compiler_diagnostic_client_plugin_info (const plugin_name_args *args)
  42   : m_args (args)
  43   {
  44   }
  45
  46   const char *get_short_name () const final override
  47   {
  48     return m_args->base_name;
  49   }
  50
  51   const char *get_full_name () const final override
  52   {
  53     return m_args->full_name;
  54   }
  55
  56   const char *get_version () const final override
  57   {
  58     return m_args->version;
  59   }
  60
  61 private:
  62   const plugin_name_args *m_args;
  63 };
  64
  65 /* Concrete subclass of client_version_info for use by compilers proper,
  66    (i.e. using lang_hooks, and with knowledge of GCC plugins).  */
  67
  68 class compiler_version_info : public client_version_info
  69 {
  70 public:
  71   const char *get_tool_name () const final override
  72   {
  73     return lang_hooks.name;
  74   }
  75
  76   /* Compare with toplev.cc: print_version.
  77      TARGET_NAME is passed in by the Makefile.  */
  78   char *
  79   maybe_make_full_name () const final override
  80   {
  81     return xasprintf ("%s %sversion %s (%s)",
  82                       get_tool_name (), pkgversion_string, version_string,
  83                       TARGET_NAME);
  84   }
  85
  86   const char *get_version_string () const final override
  87   {
  88     return version_string;
  89   }
  90
  91   char *maybe_make_version_url () const final override
  92   {
  93     return xasprintf ("https://gcc.gnu.org/gcc-%i/", GCC_major_version);
  94   }
  95
  96   void for_each_plugin (plugin_visitor &visitor) const final override
  97   {
  98     ::for_each_plugin (on_plugin_cb, &visitor);
  99   }
 100
 101 private:
 102   static void
 103   on_plugin_cb (const plugin_name_args *args,
 104                 void *user_data)
 105   {
 106     compiler_diagnostic_client_plugin_info cpi (args);
 107     client_version_info::plugin_visitor *visitor
 108       = (client_version_info::plugin_visitor *)user_data;
 109     visitor->on_plugin (cpi);
 110   }
 111 };
 112
 113 /* Subclass of diagnostic_client_data_hooks for use by compilers proper
 114    i.e. with knowledge of "tree", access to langhooks, etc.  */
 115
 116 class compiler_data_hooks : public diagnostic_client_data_hooks
 117 {
 118 public:
 119   const client_version_info *get_any_version_info () const final override
 120   {
 121     return &m_version_info;
 122   }
 123
 124   const logical_location *get_current_logical_location () const final override
 125   {
 126     if (current_function_decl)
 127       return &m_current_fndecl_logical_loc;
 128     else
 129       return NULL;
 130   }
 131
 132   const char *
 133   maybe_get_sarif_source_language (const char *filename) const final override
 134   {
 135     return lang_hooks.get_sarif_source_language (filename);
 136   }
 137
 138 private:
 139   compiler_version_info m_version_info;
 140   current_fndecl_logical_location m_current_fndecl_logical_loc;
 141 };
 142
 143 /* Create a compiler_data_hooks (so that the class can be local
 144    to this file).  */
 145
 146 diagnostic_client_data_hooks *
 147 make_compiler_data_hooks ()
 148 {
 149   return new compiler_data_hooks ();
 150 }