Line data    Source code

       1              : /* Determining the results of applying fix-it hints.
       2              :    Copyright (C) 2016-2026 Free Software Foundation, Inc.
       3              : 
       4              : This file is part of GCC.
       5              : 
       6              : GCC is free software; you can redistribute it and/or modify it under
       7              : the terms of the GNU General Public License as published by the Free
       8              : Software Foundation; either version 3, or (at your option) any later
       9              : version.
      10              : 
      11              : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12              : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13              : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14              : for more details.
      15              : 
      16              : You should have received a copy of the GNU General Public License
      17              : along with GCC; see the file COPYING3.  If not see
      18              : <http://www.gnu.org/licenses/>.  */
      19              : 
      20              : #ifndef GCC_DIAGNOSTICS_CHANGES_H
      21              : #define GCC_DIAGNOSTICS_CHANGES_H
      22              : 
      23              : #include "typed-splay-tree.h"
      24              : 
      25              : class fixit_hint;
      26              : 
      27              : namespace diagnostics {
      28              : namespace changes {
      29              : 
      30              : class change_set;
      31              : class changed_file;
      32              : 
      33              : /* A set of changes to the source code.
      34              : 
      35              :    The changes are "atomic" - if any changes can't be applied,
      36              :    none of them can be (tracked by the m_valid flag).
      37              :    Similarly, attempts to add the changes from a rich_location flagged
      38              :    as containing invalid changes mean that the whole of the change_set
      39              :    is flagged as invalid.
      40              : 
      41              :    A complication here is that fix-its are expressed relative to coordinates
      42              :    in the files when they were parsed, before any changes have been made, and
      43              :    so if there's more that one fix-it to be applied, we have to adjust
      44              :    later fix-its to allow for the changes made by earlier ones.  This
      45              :    is done by the various "get_effective_column" methods.  */
      46              : 
      47         1443 : class change_set
      48              : {
      49              :  public:
      50              :   change_set (file_cache &);
      51              : 
      52          420 :   bool valid_p () const { return m_valid; }
      53              : 
      54              :   void add_fixits (rich_location *richloc);
      55              : 
      56              :   char *get_content (const char *filename);
      57              : 
      58              :   int get_effective_column (const char *filename, int line, int column);
      59              : 
      60              :   char *generate_diff (bool show_filenames);
      61              :   void print_diff (pretty_printer *pp, bool show_filenames);
      62              : 
      63        89180 :   file_cache &get_file_cache () const { return m_file_cache; }
      64              : 
      65              :  private:
      66              :   bool apply_fixit (const fixit_hint *hint);
      67              :   changed_file *get_file (const char *filename);
      68              :   changed_file &get_or_insert_file (const char *filename);
      69              : 
      70              :   file_cache &m_file_cache;
      71              :   bool m_valid;
      72              :   typed_splay_tree<const char *, changed_file *> m_files;
      73              : };
      74              : 
      75              : } // namespace diagnostics::changes
      76              : } // namespace diagnostics
      77              : 
      78              : #endif /* GCC_DIAGNOSTICS_CHANGES_H.  */