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symbols: stop dealing with YYEMPTY as b4_symbol(-2, ...)

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* data/skeletons/bison.m4 (b4_symbol): Redirect `b4_symbol(empty,
...)` to `b4_symbol(-2, ...)`.
Change all uses of the latter to the former.
This commit is contained in:
Akim Demaille
2020-09-29 06:27:31 +02:00
parent a7daa63cb7
commit cd40ec9526
9 changed files with 77 additions and 75 deletions
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8
data/skeletons/c++.m4
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@@ -192,7 +192,7 @@ m4_define([b4_declare_symbol_enum],
[[enum symbol_kind_type
{
YYNTOKENS = ]b4_tokens_number[, ///< Number of tokens.
]b4_symbol(-2, kind_base)[ = -2,
]b4_symbol(empty, kind_base)[ = -2,
]b4_symbol_foreach([ b4_symbol_enum])dnl
[ };]])
@@ -506,7 +506,7 @@ m4_define([b4_public_types_define],
bool
]b4_parser_class[::basic_symbol<Base>::empty () const YY_NOEXCEPT
{
return this->kind () == ]b4_symbol(-2, kind)[;
return this->kind () == ]b4_symbol(empty, kind)[;
}
template <typename Base>
@@ -522,7 +522,7 @@ m4_define([b4_public_types_define],
// by_kind.
]b4_inline([$1])b4_parser_class[::by_kind::by_kind ()
: kind_ (]b4_symbol(-2, kind)[)
: kind_ (]b4_symbol(empty, kind)[)
{}
#if 201103L <= YY_CPLUSPLUS
@@ -544,7 +544,7 @@ m4_define([b4_public_types_define],
]b4_inline([$1])[void
]b4_parser_class[::by_kind::clear ()
{
kind_ = ]b4_symbol(-2, kind)[;
kind_ = ]b4_symbol(empty, kind)[;
}
]b4_inline([$1])[void