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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/>. */
#include "config.h"
#define INCLUDE_VECTOR
#include "system.h"
#include "coretypes.h"
#include "version.h"
#include "demangle.h"
#include "backtrace.h"
#include "diagnostic.h"
#include "selftest-diagnostic-path.h"
#if CHECKING_P
namespace selftest {
/* class test_diagnostic_path : public diagnostic_path. */
test_diagnostic_path::test_diagnostic_path (pretty_printer *event_pp)
: m_event_pp (event_pp)
{
add_thread ("main");
}
/* Implementation of diagnostic_path::num_events vfunc for
test_diagnostic_path: simply get the number of events in the vec. */
unsigned
test_diagnostic_path::num_events () const
{
return m_events.length ();
}
/* Implementation of diagnostic_path::get_event vfunc for
test_diagnostic_path: simply return the event in the vec. */
const diagnostic_event &
test_diagnostic_path::get_event (int idx) const
{
return *m_events[idx];
}
unsigned
test_diagnostic_path::num_threads () const
{
return m_threads.length ();
}
const diagnostic_thread &
test_diagnostic_path::get_thread (diagnostic_thread_id_t idx) const
{
return *m_threads[idx];
}
bool
test_diagnostic_path::same_function_p (int event_idx_a,
int event_idx_b) const
{
const char *name_a = m_events[event_idx_a]->get_function_name ();
const char *name_b = m_events[event_idx_b]->get_function_name ();
if (name_a && name_b)
return 0 == strcmp (name_a, name_b);
return name_a == name_b;
}
diagnostic_thread_id_t
test_diagnostic_path::add_thread (const char *name)
{
m_threads.safe_push (new test_diagnostic_thread (name));
return m_threads.length () - 1;
}
/* Add an event to this path at LOC within function FNDECL at
stack depth DEPTH.
Use m_context's printer to format FMT, as the text of the new
event.
Return the id of the new event. */
diagnostic_event_id_t
test_diagnostic_path::add_event (location_t loc,
const char *funcname,
int depth,
const char *fmt, ...)
{
pretty_printer *pp = m_event_pp;
pp_clear_output_area (pp);
rich_location rich_loc (line_table, UNKNOWN_LOCATION);
va_list ap;
va_start (ap, fmt);
/* No localization is done on FMT. */
text_info ti (fmt, &ap, 0, nullptr, &rich_loc);
pp_format (pp, &ti);
pp_output_formatted_text (pp);
va_end (ap);
test_diagnostic_event *new_event
= new test_diagnostic_event (loc, funcname, depth, pp_formatted_text (pp));
m_events.safe_push (new_event);
pp_clear_output_area (pp);
return diagnostic_event_id_t (m_events.length () - 1);
}
diagnostic_event_id_t
test_diagnostic_path::add_thread_event (diagnostic_thread_id_t thread_id,
location_t loc,
const char *funcname,
int depth,
const char *fmt, ...)
{
pretty_printer *pp = m_event_pp;
pp_clear_output_area (pp);
rich_location rich_loc (line_table, UNKNOWN_LOCATION);
va_list ap;
va_start (ap, fmt);
/* No localization is done on FMT. */
text_info ti (fmt, &ap, 0, nullptr, &rich_loc);
pp_format (pp, &ti);
pp_output_formatted_text (pp);
va_end (ap);
test_diagnostic_event *new_event
= new test_diagnostic_event (loc, funcname, depth, pp_formatted_text (pp),
thread_id);
m_events.safe_push (new_event);
pp_clear_output_area (pp);
return diagnostic_event_id_t (m_events.length () - 1);
}
/* Mark the most recent event on this path (which must exist) as being
connected to the next one to be added. */
void
test_diagnostic_path::connect_to_next_event ()
{
gcc_assert (m_events.length () > 0);
m_events[m_events.length () - 1]->connect_to_next_event ();
}
void
test_diagnostic_path::add_entry (const char *callee_name,
int stack_depth,
diagnostic_thread_id_t thread_id)
{
add_thread_event (thread_id, UNKNOWN_LOCATION, callee_name, stack_depth,
"entering %qs", callee_name);
}
void
test_diagnostic_path::add_return (const char *caller_name,
int stack_depth,
diagnostic_thread_id_t thread_id)
{
add_thread_event (thread_id, UNKNOWN_LOCATION, caller_name, stack_depth,
"returning to %qs", caller_name);
}
void
test_diagnostic_path::add_call (const char *caller_name,
int caller_stack_depth,
const char *callee_name,
diagnostic_thread_id_t thread_id)
{
add_thread_event (thread_id, UNKNOWN_LOCATION,
caller_name, caller_stack_depth,
"calling %qs", callee_name);
add_entry (callee_name, caller_stack_depth + 1, thread_id);
}
/* struct test_diagnostic_event. */
/* test_diagnostic_event's ctor. */
test_diagnostic_event::
test_diagnostic_event (location_t loc,
const char *funcname,
int depth,
const char *desc,
diagnostic_thread_id_t thread_id)
: m_loc (loc),
m_logical_loc (LOGICAL_LOCATION_KIND_FUNCTION, funcname),
m_depth (depth), m_desc (xstrdup (desc)),
m_connected_to_next_event (false),
m_thread_id (thread_id)
{
}
/* test_diagnostic_event's dtor. */
test_diagnostic_event::~test_diagnostic_event ()
{
free (m_desc);
}
} // namespace selftest
#endif /* #if CHECKING_P */
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