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skeletons: avoid empty switch constructs

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Reported by Rob Conde.
http://lists.gnu.org/archive/html/bug-bison/2013-03/msg00003.html

* data/c.m4 (b4_symbol_actions): Rename as...
(_b4_symbol_actions): this.
(b4_symbol_actions): New wrapper.
Do not emit empty switches.
Adjust all b4_symbol_actions callers.
This commit is contained in:
Akim Demaille
2013-04-08 11:13:22 +02:00
parent e83be476a5
commit 3cf3393bd4
3 changed files with 24 additions and 35 deletions
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7
data/glr.cc
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@@ -167,12 +167,7 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
std::ostream& yyoutput = debug_stream ();
std::ostream& yyo = yyoutput;
YYUSE (yyo);
switch (yytype)
{
]m4_map([b4_symbol_actions], m4_defn([b4_symbol_printers]))dnl
[ default:
break;
}
]b4_symbol_actions([printers])[
}