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/* Classes for adding special effects when quoting source code.
Copyright (C) 2024 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.com>.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_DIAGNOSTIC_LABEL_EFFECTS_H
#define GCC_DIAGNOSTIC_LABEL_EFFECTS_H
/* Abstract base class for describing special effects when printing
a label when quoting source code. */
class label_effects
{
public:
virtual ~label_effects () {}
/* Adding links between labels, e.g. for visualizing control flow
in execution paths. */
virtual bool has_in_edge (unsigned range_idx) const = 0;
virtual bool has_out_edge (unsigned range_idx) const = 0;
};
/* A class to hold state when quoting a run of lines of source code. */
class diagnostic_source_effect_info
{
public:
diagnostic_source_effect_info ()
: m_leading_in_edge_column (-1),
m_trailing_out_edge_column (-1)
{
}
/* The column for an incoming link to the first label,
or -1 if no such link. */
int m_leading_in_edge_column;
/* The column for an outgoing link from the final label,
or -1 if no such link. */
int m_trailing_out_edge_column;
};
#endif /* GCC_DIAGNOSTIC_LABEL_EFFECTS_H */
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