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gdb: Replace gdb::optional with std::optional

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Since GDB now requires C++17, we don't need the internally maintained
gdb::optional implementation.  This patch does the following replacing:
  - gdb::optional -> std::optional
  - gdb::in_place -> std::in_place
  - #include "gdbsupport/gdb_optional.h" -> #include <optional>

This change has mostly been done automatically.  One exception is
gdbsupport/thread-pool.* which did not use the gdb:: prefix as it
already lives in the gdb namespace.

Change-Id: I19a92fa03e89637bab136c72e34fd351524f65e9
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net>
This commit is contained in:
Lancelot Six
2023-10-13 09:27:48 +00:00
parent 6b62451ad0
commit 6b09f1342c
147 changed files with 417 additions and 416 deletions
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12
gdb/infrun.c
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@@ -62,7 +62,7 @@
#include "thread-fsm.h"
#include "gdbsupport/enum-flags.h"
#include "progspace-and-thread.h"
#include "gdbsupport/gdb_optional.h"
#include <optional>
#include "arch-utils.h"
#include "gdbsupport/scope-exit.h"
#include "gdbsupport/forward-scope-exit.h"
@@ -713,7 +713,7 @@ holding the child stopped. Try \"set detach-on-fork\" or \
{
/* If FOLLOW_CHILD, we leave CHILD_INF as the current inferior
(do not restore the parent as the current inferior). */
gdb::optional<scoped_restore_current_thread> maybe_restore;
std::optional<scoped_restore_current_thread> maybe_restore;
if (!follow_child && !sched_multi)
maybe_restore.emplace ();
@@ -4587,7 +4587,7 @@ fetch_inferior_event ()
debugging. If we're looking at traceframes while the target is
running, we're going to need to get back to that mode after
handling the event. */
gdb::optional<scoped_restore_current_traceframe> maybe_restore_traceframe;
std::optional<scoped_restore_current_traceframe> maybe_restore_traceframe;
if (non_stop)
{
maybe_restore_traceframe.emplace ();
@@ -4960,7 +4960,7 @@ adjust_pc_after_break (struct thread_info *thread,
|| (target_is_non_stop_p ()
&& moribund_breakpoint_here_p (aspace, breakpoint_pc)))
{
gdb::optional<scoped_restore_tmpl<int>> restore_operation_disable;
std::optional<scoped_restore_tmpl<int>> restore_operation_disable;
if (record_full_is_used ())
restore_operation_disable.emplace
@@ -7109,7 +7109,7 @@ handle_signal_stop (struct execution_control_state *ecs)
decr_pc = gdbarch_decr_pc_after_break (gdbarch);
if (decr_pc != 0)
{
gdb::optional<scoped_restore_tmpl<int>>
std::optional<scoped_restore_tmpl<int>>
restore_operation_disable;
if (record_full_is_used ())
@@ -9343,7 +9343,7 @@ normal_stop ()
&& last.kind () != TARGET_WAITKIND_THREAD_EXITED)
finish_ptid = inferior_ptid;
gdb::optional<scoped_finish_thread_state> maybe_finish_thread_state;
std::optional<scoped_finish_thread_state> maybe_finish_thread_state;
if (finish_ptid != null_ptid)
{
maybe_finish_thread_state.emplace