69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/* Determining the results of applying fix-it hints.
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Copyright (C) 2016-2017 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_EDIT_CONTEXT_H
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#define GCC_EDIT_CONTEXT_H
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#include "typed-splay-tree.h"
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class edit_context;
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class edited_file;
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/* A set of changes to the source code.
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The changes are "atomic" - if any changes can't be applied,
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none of them can be (tracked by the m_valid flag).
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Similarly, attempts to add the changes from a rich_location flagged
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as containing invalid changes mean that the whole of the edit_context
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is flagged as invalid.
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A complication here is that fix-its are expressed relative to coordinates
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in the files when they were parsed, before any changes have been made, and
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so if there's more that one fix-it to be applied, we have to adjust
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later fix-its to allow for the changes made by earlier ones. This
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is done by the various "get_effective_column" methods. */
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class edit_context
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{
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public:
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edit_context ();
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bool valid_p () const { return m_valid; }
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void add_fixits (rich_location *richloc);
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char *get_content (const char *filename);
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int get_effective_column (const char *filename, int line, int column);
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char *generate_diff (bool show_filenames);
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void print_diff (pretty_printer *pp, bool show_filenames);
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private:
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bool apply_insert (const fixit_insert *insert);
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bool apply_replace (const fixit_replace *replace);
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edited_file *get_file (const char *filename);
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edited_file &get_or_insert_file (const char *filename);
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bool m_valid;
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typed_splay_tree<const char *, edited_file *> m_files;
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};
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#endif /* GCC_EDIT_CONTEXT_H. */
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