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/* Declarations for managing different output formats for diagnostics.
Copyright (C) 2023-2025 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_DIAGNOSTICS_SINK_H
#define GCC_DIAGNOSTICS_SINK_H
#include "diagnostic.h"
namespace diagnostics {
class per_sink_buffer;
/* Abstract base class for a particular output format for diagnostics;
each value of -fdiagnostics-output-format= will have its own
implementation. */
class sink
{
public:
virtual ~sink () {}
virtual void dump (FILE *out, int indent) const;
/* Vfunc for notifying this format what the primary input file is,
e.g. for titles of HTML, for SARIF's artifact metadata. */
virtual void set_main_input_filename (const char *) {}
/* Vfunc for making an appropriate per_sink_buffer
subclass for this format. */
virtual std::unique_ptr<per_sink_buffer>
make_per_sink_buffer () = 0;
/* Vfunc to be called when call a diagnostics::buffer is set on
a diagnostics::context, to update this format. The per_sink_buffer
will be one created by make_per_sink_buffer above and thus be
of the correct subclass. */
virtual void set_buffer (per_sink_buffer *) = 0;
virtual void on_begin_group () = 0;
virtual void on_end_group () = 0;
/* Vfunc with responsibility for phase 3 of formatting the message
and "printing" the result. */
virtual void on_report_diagnostic (const diagnostic_info &,
enum kind orig_diag_kind) = 0;
virtual void on_report_verbatim (text_info &);
virtual void on_diagram (const diagram &diag) = 0;
virtual void after_diagnostic (const diagnostic_info &) = 0;
virtual bool machine_readable_stderr_p () const = 0;
virtual bool follows_reference_printer_p () const = 0;
/* Vfunc called when the diagnostics::context changes its
reference printer (either to a new subclass of pretty_printer
or when color/url options change).
Subclasses should update their m_printer accordingly. */
virtual void update_printer () = 0;
virtual void
report_global_digraph (const lazily_created<digraphs::digraph> &) = 0;
context &get_context () const { return m_context; }
pretty_printer *get_printer () const { return m_printer.get (); }
text_art::theme *get_diagram_theme () const
{
return m_context.get_diagram_theme ();
}
void DEBUG_FUNCTION dump () const { dump (stderr, 0); }
protected:
sink (context &dc)
: m_context (dc),
m_printer (dc.clone_printer ())
{}
protected:
context &m_context;
std::unique_ptr<pretty_printer> m_printer;
};
extern void
output_format_init (context &,
const char *main_input_filename_,
const char *base_file_name,
enum diagnostics_output_format,
bool json_formatting);
} // namespace diagnostics
#endif /* ! GCC_DIAGNOSTICS_SINK_H */
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