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c++: add move assignments to the symbol type

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This will be used in glr2.cc, which requires C++11.

* data/skeletons/c++.m4 (basic_symbol, by_kind): Add move assignment.
This commit is contained in:
Akim Demaille
2021-09-07 07:00:32 +02:00
parent 85f5e3b9d5
commit fdaedc780a
1 changed files with 28 additions and 0 deletions
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28
data/skeletons/c++.m4
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@@ -346,6 +346,19 @@ m4_define([b4_symbol_type_define],
clear ();
}
#if 201103L <= YY_CPLUSPLUS
/// Move assignment.
basic_symbol& operator= (basic_symbol&& that)
{
Base::operator= (std::move (that));]b4_variant_if([[
]b4_symbol_variant([this->kind ()], [value], [move],
[std::move (that.value)])], [[
value = std::move (that.value)]])[;]b4_locations_if([[
location = std::move (that.location);]])[
return *this;
}
#endif
/// Destroy contents, and record that is empty.
void clear () YY_NOEXCEPT
{]b4_variant_if([[
@@ -424,6 +437,11 @@ m4_define([b4_symbol_type_define],
/// Copy constructor.
by_kind (const by_kind& that);
#if 201103L <= YY_CPLUSPLUS
/// Move assignment.
by_kind& operator= (by_kind&& that);
#endif
/// The symbol kind as needed by the constructor.
typedef token_kind_type kind_type;
@@ -552,6 +570,16 @@ m4_define([b4_public_types_define],
: kind_ (yytranslate_ (t))
{}
#if 201103L <= YY_CPLUSPLUS
]b4_inline([$1])]b4_parser_class[::by_kind&
b4_parser_class[::by_kind::by_kind::operator= (by_kind&& that)
{
kind_ = that.kind_;
that.clear ();
return *this;
}
#endif
]b4_inline([$1])[void
]b4_parser_class[::by_kind::clear () YY_NOEXCEPT
{