gcc/optinfo-emit-json.h

   1 /* Emit optimization information as JSON files.
   2    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   3    Contributed by David Malcolm <dmalcolm@redhat.com>.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 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 GCC_OPTINFO_EMIT_JSON_H
  22 #define GCC_OPTINFO_EMIT_JSON_H
  23
  24 #include "json.h"
  25
  26 class optinfo;
  27
  28 /* A class for writing out optimization records in JSON format.  */
  29
  30 class optrecord_json_writer
  31 {
  32 public:
  33   optrecord_json_writer ();
  34   ~optrecord_json_writer ();
  35   void write () const;
  36   void add_record (const optinfo *optinfo);
  37   void pop_scope ();
  38
  39   void add_record (json::object *obj);
  40   json::object *impl_location_to_json (dump_impl_location_t loc);
  41   json::object *location_to_json (location_t loc);
  42   json::object *profile_count_to_json (profile_count count);
  43   json::string *get_id_value_for_pass (opt_pass *pass);
  44   json::object *pass_to_json (opt_pass *pass);
  45   json::value *inlining_chain_to_json (location_t loc);
  46   json::object *optinfo_to_json (const optinfo *optinfo);
  47   void add_pass_list (json::array *arr, opt_pass *pass);
  48
  49  private:
  50   /* The root value for the JSON file.
  51      Currently the JSON values are stored in memory, and flushed when the
  52      compiler exits.  It would probably be better to simply write out
  53      the JSON as we go.  */
  54   json::array *m_root_tuple;
  55
  56   /* The currently open scopes, for expressing nested optimization records.  */
  57   auto_vec<json::array *> m_scopes;
  58 };
  59
  60 #endif /* #ifndef GCC_OPTINFO_EMIT_JSON_H */