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c++: use noexcept where appropriate

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Reported by Don Macpherson.
https://github.com/akimd/bison/issues/63
https://github.com/akimd/bison/issues/64

* data/skeletons/c++.m4, data/skeletons/lalr1.cc: here.
This commit is contained in:
Akim Demaille
2020-12-02 21:38:43 +01:00
parent 8eede447db
commit 9840e5b621
2 changed files with 6 additions and 6 deletions
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6
data/skeletons/c++.m4
View File

@@ -339,7 +339,7 @@ m4_define([b4_symbol_type_define],
} }
/// Destroy contents, and record that is empty. /// Destroy contents, and record that is empty.
void clear () void clear () YY_NOEXCEPT
{]b4_variant_if([[ {]b4_variant_if([[
// User destructor. // User destructor.
symbol_kind_type yykind = this->kind (); symbol_kind_type yykind = this->kind ();
@@ -423,7 +423,7 @@ m4_define([b4_symbol_type_define],
by_kind (kind_type t); by_kind (kind_type t);
/// Record that this symbol is empty. /// Record that this symbol is empty.
void clear (); void clear () YY_NOEXCEPT;
/// Steal the symbol kind from \a that. /// Steal the symbol kind from \a that.
void move (by_kind& that); void move (by_kind& that);
@@ -543,7 +543,7 @@ m4_define([b4_public_types_define],
{} {}
]b4_inline([$1])[void ]b4_inline([$1])[void
]b4_parser_class[::by_kind::clear () ]b4_parser_class[::by_kind::clear () YY_NOEXCEPT
{ {
kind_ = ]b4_symbol(empty, kind)[; kind_ = ]b4_symbol(empty, kind)[;
} }

6
data/skeletons/lalr1.cc
View File

@@ -270,9 +270,9 @@ m4_define([b4_shared_declarations],
{ {
public: public:
context (const ]b4_parser_class[& yyparser, const symbol_type& yyla); context (const ]b4_parser_class[& yyparser, const symbol_type& yyla);
const symbol_type& lookahead () const { return yyla_; } const symbol_type& lookahead () const YY_NOEXCEPT { return yyla_; }
symbol_kind_type token () const { return yyla_.kind (); }]b4_locations_if([[ symbol_kind_type token () const YY_NOEXCEPT { return yyla_.kind (); }]b4_locations_if([[
const location_type& location () const { return yyla_.location; } const location_type& location () const YY_NOEXCEPT { return yyla_.location; }
]])[ ]])[
/// Put in YYARG at most YYARGN of the expected tokens, and return the /// Put in YYARG at most YYARGN of the expected tokens, and return the
/// number of tokens stored in YYARG. If YYARG is null, return the /// number of tokens stored in YYARG. If YYARG is null, return the