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

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Since GDB now requires a C++17, we don't need the internally maintained
gdb::optional implementation.  This patch does the following replacing:
  - gdb::optonal -> 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
This commit is contained in:
Lancelot Six
2023-10-13 09:27:48 +00:00
parent e7b38ccb82
commit f795c529a8
147 changed files with 413 additions and 412 deletions
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6
gdb/ada-lang.c
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@@ -3098,7 +3098,7 @@ ada_value_slice_from_ptr (struct value *array_ptr, struct type *type,
type0->dyn_prop (DYN_PROP_BYTE_STRIDE),
type0->field (0).bitsize ());
int base_low = ada_discrete_type_low_bound (type0->index_type ());
gdb::optional<LONGEST> base_low_pos, low_pos;
std::optional<LONGEST> base_low_pos, low_pos;
CORE_ADDR base;
low_pos = discrete_position (base_index_type, low);
@@ -3132,7 +3132,7 @@ ada_value_slice (struct value *array, int low, int high)
(alloc, type->target_type (), index_type,
type->dyn_prop (DYN_PROP_BYTE_STRIDE),
type->field (0).bitsize ());
gdb::optional<LONGEST> low_pos, high_pos;
std::optional<LONGEST> low_pos, high_pos;
low_pos = discrete_position (base_index_type, low);
@@ -8792,7 +8792,7 @@ pos_atr (struct value *arg)
if (!discrete_type_p (type))
error (_("'POS only defined on discrete types"));
gdb::optional<LONGEST> result = discrete_position (type, value_as_long (val));
std::optional<LONGEST> result = discrete_position (type, value_as_long (val));
if (!result.has_value ())
error (_("enumeration value is invalid: can't find 'POS"));