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/* Concrete classes for selftests involving diagnostic paths.
Copyright (C) 2019-2024 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_SELFTEST_DIAGNOSTIC_PATH_H
#define GCC_SELFTEST_DIAGNOSTIC_PATH_H
#include "diagnostic-path.h"
#include "selftest-logical-location.h"
/* The selftest code should entirely disappear in a production
configuration, hence we guard all of it with #if CHECKING_P. */
#if CHECKING_P
namespace selftest {
/* Concrete subclasses of the abstract base classes
declared in diagnostic-path.h for use in selftests.
This code should have no dependency on "tree". */
/* An implementation of diagnostic_event. */
class test_diagnostic_event : public diagnostic_event
{
public:
test_diagnostic_event (location_t loc, const char *funcname, int depth,
const char *desc,
diagnostic_thread_id_t thread_id = 0);
~test_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
{
pp_string (&pp, m_desc);
}
const logical_location *get_logical_location () const final override
{
if (m_logical_loc.get_name ())
return &m_logical_loc;
else
return nullptr;
}
meaning get_meaning () const final override
{
return meaning ();
}
bool connect_to_next_event_p () const final override
{
return m_connected_to_next_event;
}
diagnostic_thread_id_t get_thread_id () const final override
{
return m_thread_id;
}
void connect_to_next_event ()
{
m_connected_to_next_event = true;
}
const char *get_function_name () const
{
return m_logical_loc.get_name ();
}
private:
location_t m_loc;
test_logical_location m_logical_loc;
int m_depth;
char *m_desc; // has been formatted; doesn't get i18n-ed
bool m_connected_to_next_event;
diagnostic_thread_id_t m_thread_id;
};
/* A simple implementation of diagnostic_thread. */
class test_diagnostic_thread : public diagnostic_thread
{
public:
test_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 concrete subclass of diagnostic_path for implementing selftests
- a vector of test_diagnostic_event instances
- adds member functions for adding test event
- does no translation of its events
- has no dependency on "tree". */
class test_diagnostic_path : public diagnostic_path
{
public:
test_diagnostic_path (pretty_printer *event_pp);
unsigned num_events () const final override;
const diagnostic_event & get_event (int idx) const final override;
unsigned num_threads () const final override;
const diagnostic_thread &
get_thread (diagnostic_thread_id_t) const final override;
bool
same_function_p (int event_idx_a,
int event_idx_b) const final override;
diagnostic_thread_id_t add_thread (const char *name);
diagnostic_event_id_t add_event (location_t loc, const char *funcname, int depth,
const char *fmt, ...)
ATTRIBUTE_GCC_DIAG(5,6);
diagnostic_event_id_t
add_thread_event (diagnostic_thread_id_t thread_id,
location_t loc, const char *funcname, int depth,
const char *fmt, ...)
ATTRIBUTE_GCC_DIAG(6,7);
void connect_to_next_event ();
void add_entry (const char *callee_name, int stack_depth,
diagnostic_thread_id_t thread_id = 0);
void add_return (const char *caller_name, int stack_depth,
diagnostic_thread_id_t thread_id = 0);
void add_call (const char *caller_name,
int caller_stack_depth,
const char *callee_name,
diagnostic_thread_id_t thread_id = 0);
private:
auto_delete_vec<test_diagnostic_thread> m_threads;
auto_delete_vec<test_diagnostic_event> m_events;
/* (for use by add_event). */
pretty_printer *m_event_pp;
};
} // namespace selftest
#endif /* #if CHECKING_P */
#endif /* ! GCC_SELFTEST_DIAGNOSTIC_PATH_H */
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