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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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6
gdbsupport/event-loop.cc
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@@ -33,7 +33,7 @@
#include <sys/types.h>
#include "gdbsupport/gdb_sys_time.h"
#include "gdbsupport/gdb_select.h"
#include "gdbsupport/gdb_optional.h"
#include <optional>
#include "gdbsupport/scope-exit.h"
/* See event-loop.h. */
@@ -246,7 +246,7 @@ gdb_do_one_event (int mstimeout)
When the timeout is reached, events are not monitored again:
they already have been checked in the loop above. */
gdb::optional<int> timer_id;
std::optional<int> timer_id;
SCOPE_EXIT
{
@@ -258,7 +258,7 @@ gdb_do_one_event (int mstimeout)
timer_id = create_timer (mstimeout,
[] (gdb_client_data arg)
{
((gdb::optional<int> *) arg)->reset ();
((std::optional<int> *) arg)->reset ();
},
&timer_id);
return gdb_wait_for_event (1);