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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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4
gdb/ada-valprint.c
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@@ -385,7 +385,7 @@ ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream)
case TYPE_CODE_ENUM:
{
gdb::optional<LONGEST> posn = discrete_position (type, val);
std::optional<LONGEST> posn = discrete_position (type, val);
if (posn.has_value ())
fputs_styled (ada_enum_name (type->field (*posn).name ()),
variable_name_style.style (), stream);
@@ -827,7 +827,7 @@ ada_val_print_enum (struct value *value, struct ui_file *stream, int recurse,
int offset_aligned = ada_aligned_value_addr (type, valaddr) - valaddr;
val = unpack_long (type, valaddr + offset_aligned);
gdb::optional<LONGEST> posn = discrete_position (type, val);
std::optional<LONGEST> posn = discrete_position (type, val);
if (posn.has_value ())
{
const char *name = ada_enum_name (type->field (*posn).name ());