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/* Concrete classes for implementing diagnostic paths, using tree.
Copyright (C) 2019-2025 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_SIMPLE_DIAGNOSTIC_PATH_H
#define GCC_SIMPLE_DIAGNOSTIC_PATH_H
#include "diagnostics/paths.h"
#include "tree-logical-location.h"
/* Concrete subclasses of the abstract base classes
declared in diagnostic-path.h. */
/* A simple implementation of diagnostic event.
This uses "tree" and so is not in "namespace diagnostics". */
class simple_diagnostic_event : public diagnostics::paths::event
{
public:
using thread_id_t = diagnostics::paths::thread_id_t;
simple_diagnostic_event (location_t loc, tree fndecl, int depth,
const char *desc,
thread_id_t thread_id = 0);
~simple_diagnostic_event ();
location_t get_location () const final override { return m_loc; }
int get_stack_depth () const final override { return m_depth; }
void print_desc (pretty_printer &pp) const final override;
diagnostics::logical_locations::key
get_logical_location () const final override
{
return tree_logical_location_manager::key_from_tree (m_fndecl);
}
meaning get_meaning () const final override
{
return meaning ();
}
bool connect_to_next_event_p () const final override
{
return m_connected_to_next_event;
}
thread_id_t get_thread_id () const final override
{
return m_thread_id;
}
void connect_to_next_event ()
{
m_connected_to_next_event = true;
}
tree get_fndecl () const { return m_fndecl; }
private:
location_t m_loc;
tree m_fndecl;
diagnostics::logical_locations::key m_logical_loc;
int m_depth;
char *m_desc; // has been i18n-ed and formatted
bool m_connected_to_next_event;
thread_id_t m_thread_id;
};
/* A simple implementation of diagnostics::paths::thread. */
class simple_diagnostic_thread : public diagnostics::paths::thread
{
public:
simple_diagnostic_thread (const char *name) : m_name (name) {}
label_text get_name (bool) const final override
{
return label_text::borrow (m_name);
}
private:
const char *m_name; // has been i18n-ed and formatted
};
/* A simple implementation of diagnostic_path, as a vector of
simple_diagnostic_event instances. */
class simple_diagnostic_path : public diagnostics::paths::path
{
public:
using thread = diagnostics::paths::thread;
using thread_id_t = diagnostics::paths::thread_id_t;
using event = diagnostics::paths::event;
using event_id_t = diagnostics::paths::event_id_t;
simple_diagnostic_path (const tree_logical_location_manager &logical_loc_mgr,
pretty_printer *event_pp);
unsigned num_events () const final override { return m_events.length (); }
const event & get_event (int idx) const final override;
unsigned num_threads () const final override { return m_threads.length (); }
const thread &
get_thread (thread_id_t) const final override;
bool
same_function_p (int event_idx_a,
int event_idx_b) const final override;
thread_id_t add_thread (const char *name);
event_id_t add_event (location_t loc, tree fndecl, int depth,
const char *fmt, ...)
ATTRIBUTE_GCC_DIAG(5,6);
event_id_t
add_thread_event (thread_id_t thread_id,
location_t loc, tree fndecl, int depth,
const char *fmt, ...)
ATTRIBUTE_GCC_DIAG(6,7);
void connect_to_next_event ();
void disable_event_localization () { m_localize_events = false; }
private:
auto_delete_vec<simple_diagnostic_thread> m_threads;
auto_delete_vec<simple_diagnostic_event> m_events;
/* (for use by add_event). */
pretty_printer *m_event_pp;
bool m_localize_events;
};
#endif /* ! GCC_SIMPLE_DIAGNOSTIC_PATH_H */
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